GB/T 7024-1997 Terminology for elevators, escalators and moving walkways
Some standard content:
Engineering Construction Standard Full Text Information System
ICS91.140.90
National Standard of the People's Republic of China
GB/T 7024-1997
Terminology of lifts, escalators, passenger conveyorsConstruction Standard
1997-10-16
State Administration of Technical Supervision
1998-06-01
Implementation
Engineering Construction Standard Full Text Information System
GB/T7024—1997
Foreword:
2 Elevator Types
General Terms
4 Elevator Components
5 Control Methods| |tt||6 Hydraulic elevators
Escalators and moving walks
Chinese index
English index
W.2
Engineering construction standard full text information system
GB/T7024—1997
This standard revises GB7024.1-86 "Terminology of elevators, escalators and moving walks Part 1: Elevators", and supplements and modifies the content.
In the process of revising GB7024.1-86, the terms that are suitable for national conditions and can be used for international technical exchanges are retained. In line with the principle that there is basically no "terminology" chapter in the series of standards for elevators and escalators, and the terms are concentrated in a separate terminology standard, and the terminology standards for elevators, escalators or moving walks are no longer compiled in several parts, therefore, the code and name of this standard are set as GB/T7024-1997 "Terminology of elevators, escalators and moving walks". Most of the terms in GB7588-1995 "Safety Specifications for Elevator Manufacturing and Installation" are included, and Chapter 7 on escalator and moving walkway terms is added. According to the provisions of GB/T1.1-1993, "Foreword" and "Contents" are added. This standard provides a unified national technical basis to meet the needs of formulating elevator, escalator and moving walkway standards, compiling technical documents, professional manuals, teaching materials, books and periodicals, and translating professional materials in China. From the date of entry into force, this standard will replace GB7024.1-86. This standard was proposed by the Ministry of Construction of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Elevator Standardization. The drafting units of this standard are: Tianjin Otis Elevator Co., Ltd., China, and Changsha Construction Machinery Research Institute. The main drafters of this standard are: Yang Xizhi and Yu Gang. W.bzsoso.cO Engineering Construction Standard Full Text Information System
National Standard of the People's Republic of China
Terminology of lifts, escalators, passenger conveyors1 Scope
This standard specifies the terminology of lifts, escalators, and passenger conveyors. GB/T7024-1997
Replaces GB7024.1-86
This standard is applicable to the formulation of standards, the preparation of technical documents, the writing and translation of professional manuals, teaching materials and books. 2 Elevator Types
2.1 Elevator lift; elevator
A fixed lifting device serving specified floors. It has a car that runs between at least two vertical rigid guide rails or with an inclination angle of less than 15°. The size and structure of the car are convenient for passengers to enter and exit or load and unload goods. 2.1.1 Passenger lift passenger lift
An elevator designed for transporting passengers.
2.1.2 Goods lift; Freight lift is usually accompanied by someone and is designed mainly for transporting goods. 2.1.3
Passenger-goods lift
An elevator that mainly transports passengers but can also transport goods. Bed lift, medical lift bedlift
An elevator designed for transporting beds (including patients) and medical equipment. 2.1.5 Residential lift Residential lift An elevator used in residential buildings.
2.1.6 Dumbwaiter lift Service lift A fixed lifting device that serves specified floors. It has a one-person car, and in terms of its size and structural type, entry is not allowed inside the car. The car runs between two vertical rigid guide rails or with an inclination angle of less than 15°. To meet the conditions of no entry, the dimensions of the car shall not exceed:
a) Floor area: 1.00 mm
b) Depth: 1.00 m
Height: 1.20 m
However, if the car consists of several permanent compartments, each of which meets the above requirements, a height exceeding 1.20 m is permitted.
2.1.7 Lift on ships
Elevators used on ships.
2.1.8 Panoramic lift; observation lift An elevator with at least one side of the aisle and car wall transparent, allowing passengers to view the scenery outside the car. 2.1.9
9Automobile elevatormotorvehicleliftautomobilelifeApproved by the State Administration of Technical Supervision on October 16, 1997 and implemented on June 1, 1998
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Elevator designed for transporting vehicles.
2.2Hydraulic elevatorhydrauliclift
Elevator driven by hydraulic pressure.
3General terms
3.1Leveling accuracylevelingaccuracyThe vertical deviation between the plane on the car sill and the plane on the floor door sill after the car stops at the station. Rated speed of liftratedspeedoflift3.2
The car speed specified in the elevator design.
3.3Inspection speedinspectionspeed
The speed of the elevator during inspection operation.
3.4 Rated load ratedload; ratedcapacity The maximum load in the car specified by the elevator design. 3.5
Travellingheightoflift; liftingheightoflift The vertical distance from the bottom terminal floor to the top terminal floor. 3.6
Machineroommachineroom
A special room for installing one or more electric traction machines and their ancillary equipment. 3.6.1
Machineroomheightmachineroomheight
The minimum vertical distance between the machine room floor and the machine room ceiling. 3.6.2 Machine roomwidthmachineroomwidthThe horizontal distance in the machine room parallel to the width of the car. 3.6.3
Machine roomdepthmachineroomdepth
The horizontal distance in the machine room perpendicular to the width of the machine room. 3.6.4
Machine roomareamachineroomarea
The product of the width and depth of the machine room.
Auxiliary machine room; interlayer; pulley roomsecondarymachineroom;secondaryfloor;pulleyroom3.7
When the machine room is above the shaft, the room between the machine room floor and the shaft. It has the function of sound insulation, and can also be installed with pulleys, speed limiters and electrical equipment.
3.8 Landing
The location on each floor for entering and exiting the car.
Landing entrancelandingentrance
The opening on the shaft wall, which constitutes the passage from the landing to the car. Mainlanding;mainfloor;homelanding3.10
The landing where the car stops when there is no operation instruction. It is usually located in the lobby or the bottom terminal where there are the most passengers. 3.11 Predetermined landingWhen the elevator car controlled by parallel or group control has no operation instruction, the designated landing is the landing where the car stops and waits for operation. bottom terminal landing3.12
The lowest car stop.
3.13top terminal landingthe highest car stop.
3.14 Floor to floor distance interfloor distance The distance between the floor doors of two adjacent landings. 3.15 Well; shaft; hoistway
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The space for the car and counterweight device or (and the hydraulic cylinder plunger to move. This space is bounded by the bottom of the shaft pit and the shaft top.
3.16 Single well
A shaft for only one elevator.
3.17 Multiple well; common well A shaft for two or more elevators to run. 3.18 Well enclosure; shaftwell is used to separate the shaft from other The structure of the place. 3.19 Shaft width wellwidth; shaftwidth The horizontal distance between the inner surfaces of the shaft wall parallel to the width of the car. 3.20 Shaft depth welldepth shaftdepth The horizontal distance between the inner surfaces of the shaft wall perpendicular to the width of the shaft. 3.21 Pit pit
The part of the shaft below the bottom terminal floor. 3.22 Pit depth pitdepth
The vertical distance from the bottom terminal floor to the bottom pit floor of the shaft. 3.23 Headroom height; height above the highest level served; topheight is the vertical distance between the top terminal floor and the top of the shaft, and the most protruding member under the plate. 3.24 Corbel in the shaft; Haunched beam is located on the inner side of the shaft below the entrance and exit of each floor station, and is a protruding part of the building used to support the floor door sill. Trunk
The shaft used for ship elevators.
3.26 Hatch
A doorway set horizontally or vertically on the shaft of a ship elevator. 3.27 Unlocking zone
An area extending above and below the sill when the car stops at a floor station. The door lock can only be opened when the bottom of the car is in this area, causing the door opener to operate and drive the car door and floor door to open.
3 Leveling
In the leveling area, make the car sill and the floor door sill reach the same level. Movement in a plane. 3.29 Leveling zone
A limited area above and/or below the car stop. In this area, a leveling device can be used to make the car run to the leveling requirements.
3.30 Door opening width dooropeningwidth The clear width of the car door and the landing door when they are fully opened. Car entrance carentrance
The opening on the car wall, which constitutes the normal passage from the car to the landing. 3.32 The clear entrance to the car can reach the stop, and the width and height of the doorway are measured after the car door is fully opened. 3.33 Car width carwidth
The horizontal distance between the two inner surfaces of the car wall measured at a height of 1m from the bottom of the car, parallel to the direction of the car entrance width. 3.34 Car depth cardepth
The horizontal distance between the two inner surfaces of the car wall measured at a height of 1m from the bottom of the car, perpendicular to the direction of the car width. 3.35 Car height car height
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The vertical distance from the floor to the top of the car measured from the inside of the car (the car top lampshade and the removable ceiling are within this distance). 3.36 Lift attendant
A person authorized to operate the elevator after special training and with a qualified operating certificate. 3.37 Number of passengers number of passengers The maximum number of passengers limited by the elevator design (including the driver). 3.38 Working stroke of oil buffer The vertical distance moved by the end face of the oil buffer plunger after being compressed. 3.39 Working stroke of spring buffer The vertical distance of the spring deformation after being compressed.
3.40 Bottom clearances for car When the car is in the fully compressed buffer position, the vertical distance from the pit floor to the lowest component installed at the bottom of the car (the lowest component does not include guide shoes, rollers, safety clamps and footboards). 3.41 Top clearances for car The vertical distance from the highest part of the car top to the lowest part of the shaft top when the counterweight device is in the fully compressed buffer position. 3.42 Top clearances for counterweight The vertical distance from the highest part of the counterweight device to the lowest part of the shaft top when the car is in the fully compressed buffer position. 3.43 Docking operation Under certain conditions, in order to facilitate the loading and unloading of goods, the car door and the floor door are opened, so that the car runs from the bottom station upwards at a low speed within a specified distance and connects with the cargo carrying equipment. 3.44 Skip-stop operation Two adjacent elevators share a lobby, one of which serves the even-numbered floors; and the other serves the odd-numbered floors.
3.45 Inspection operation Inspection operation During elevator inspection, the operation of controlling the inspection device to make the car run. 3.46 Elevator traction types: Elevators driven by electric traction machines. When the machine room is above the shaft, it is a top traction type; when the machine room is on the side of the shaft, it is a side traction type.
3.47 Elevator hoistropes ratio: The ratio of the number of steel ropes for suspending the car to the number of steel ropes on one side of the electric traction pulley. 3.48 Fire service: Fireman service: Manipulating the fire switch can put the elevator into a state dedicated to firefighters. Independent operation: Independent operation 3.49: Operate the button in the car by the key switch to make the car go up and down. 4 Elevator parts:
4.1 Buffer: Buffer: An elastic buffer safety device located at the end of the stroke to absorb the kinetic energy of the car. Hydraulic buffer: Energy-absorbing buffer 4.1.1: A buffer that uses oil as a medium to absorb the kinetic energy generated by the car or counterweight. 4.1.2 Spring buffer; Energy storage buffer springbuffer A buffer that absorbs the kinetic energy of the car or counterweight by spring deformation. 4.2 Vibrating absorber
A device used to reduce the vibration and noise of the elevator during operation. W.bzsoso.con Engineering Construction Standard Full Text Information System
4.3 Car; Liftcar
A car body component that carries passengers or other loads. 4.3.1 Car platform; platform A component at the bottom of the car that supports the load. It includes components such as floors and frames. 4.3.2 Car walls, car walls carnclosurescarwalls A closed space surrounded by metal plates and the car bottom, car roof and car doors. 4.3.3 Car roof, car roof
A top cover at the top of the car with certain strength requirements. 4.3.4 Car ceiling
A decorative component on the top of the car.
4.3.5 Car handrail carhandrail
A handrail fixed on the car wall.
4.3.6 Car top protection balustrade A component set on the top of the car to protect the maintenance personnel. 4.4 Car frame, car frame carframe
A frame that fixes and supports the car.
4.5 Door operator door operator
A device that opens or closes the car door and (or) floor door. 4.6 Access door access door
A door opened on the wall of the shaft to the pit or pulley room for maintenance personnel. 4.7 Manually operated door manually operated door car door or floor door opened and closed by manpower.
4.8 Automatic door power operated door
Car door or landing door that is powered on and off.
Floor door: landing door shaft door hall door Door set at the entrance of the landing station.
4.10 Fireproof floor door; fire-proof door fire-proof door A floor door that can prevent or delay the passage of hot gas or flame. Car door; car door cardoot
A door set at the entrance of the car.
Safety touch plate safety edges for door
A mechanical door protection device that reopens the car door when a passenger or obstacle touches it during the closing process of the car door. 4.13 Hinged door; hinged doors
A floor door that is hinged on one side of the door and opens from the shaft to the passage. 4.14 Collapsible door
A car door that can be stacked and becomes a fence shape after closing. 4.15 Horizontally sliding door horizontally sliding door door that slides horizontally along the door rail and the sill groove to open. 4.15.1 Center opening door floor door or car door, a door that opens to the left and right at the same speed from the middle of the door. 4.15.2 Side opening door, bi-fold door, two-speed door two-speed sliding door; two-panel sliding door; two-speed doon two doors of a floor door or car door, a door that opens to the same side at two different speeds. 4.15.3 Left hand two speed sliding door engineering construction standard full text information system
floor door or car door that opens to the left facing the car. 4.15.4 Right hand two speed sliding door floor door or car door that opens to the right facing the car. 4.16 Vertically sliding door vertically sliding door door that slides along the vertical door rails on both sides of the door to open. 4.17 Bi-parting door Two doors of a floor door or car door, which open upward and downward at the same speed from the middle of the door. 4.18
Compensating device for hoist ropes A component used to balance the weight phenomenon caused by the elevator lifting height being too high and the electric rope being too long during operation. 4.19 Compensating chain device Compensating chain device A compensating device composed of a metal chain.
Compensating rope device Compensating rope device 4.20
Compensating rope device Compensating rope device 4.20.1 Anti-rebound of compensation rope device An electrical safety device that can stop the hoisting machine from running when the compensation rope tensioning device exceeds the limit position. 4.21 Sill
Slotted metal pedal for entering and exiting the car at the entrance of the car or floor door. 4.21.1 Car sill plates threshold The sill at the entrance of the car.
4.21.2 Landing sills Sill levator entrance The sill at the entrance of the landing door.
4.22 Car top inspection device inspection device on top of the car A device installed on the top of the car for inspection and use by maintenance personnel. Car top lighting device car top light
A device installed on the top of the car for inspection and use by maintenance personnel. Pit inspection lighting device light device of pit inspection 4.24
A device installed in the pit of the shaft for inspection and use by maintenance personnel. 4.25 Car floor indicator light, car position indicator A device installed in the car to display its operating floor station. 4.26 Landing door jamb landing door jamb
A component of the decorative door frame.
Landing indicator; hall position indicator4.27
A device installed above or on one side of the landing door to display the landing station and direction of the car. 4.28Landing direction indicator: A device installed above or on one side of the landing door to display the direction of the car. 4.29Control panel: control panel
A screen-type electric control device with an independent bracket, a metal insulating bottom plate or beam on the bracket, and various electronic devices and electrical components installed on the bottom plate or beam.
4.30Control cabinet: control cabinet; controllerA type of electric control device in which various electronic devices and electrical components are installed in a protective cabinet-shaped structure. Operation box, operation panel: operation panel car operation panel4.31
An electrical device that uses switches and buttons to control the operation of the car. 4.32 Alarm button alarmbutton
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A button set on the control panel to operate the alarm. 4.33 Stop button; emergency stop button stopbutton; stopswitch; stoppingdevice A button that can disconnect the control circuit to stop the car. 4.34 Positionindicatorofadjacentcar An indicating device in the car that reflects the operating status of the adjacent car. 4.35 Group control supervisory panel; monitorpanel In the group control system, it can centrally reflect the operating status of each car and can be monitored and controlled by management personnel. 4.36
Traction machine machine driving machine A device that drives or stops the elevator, including an electric motor, a brake and an electric sheave, by the friction between the electric rope and the electric sheave groove. 4.37
Geared electric sheave gearedmachine
An electric sheave in which the motor drives the electric sheave through a reduction gearbox. 4.38 Gearless machine gearless machine A machine whose electric motor directly drives the pulley. 4.39 Driving sheave; traction sheave The driving wheel on the electric traction machine. Hoistropes Hoistropes A special steel wire rope that connects the car and the counterweight device and drives the car up and down by the friction with the groove of the electric pulley. Rope fastening Rope fastening A component used to connect the electric rope to the car, the counterweight device or the load-bearing beam of the machine room. Terminal stopping device 4.42 A protective device that forces the car to slow down and stop when it is about to reach the terminal. 4.43 Leveling device Leveling device A device that enables the car to reach the leveling accuracy requirements in the leveling area. Leveling inductor plate 4.44 A metal plate that can activate the leveling device.
4.45Final limit switchWhen the car runs beyond the terminal stop device, before the car or counterweight device touches the buffer, it is a non-automatic reset safety device that forcibly cuts off the main power supply and control power supply.Overload deviceOverload device; overload indicator4.46
When the car exceeds the rated load, it can send out a warning signal and prevent the car from running.4.47Weighing deviceWeighing device
A device that can detect the load value in the car and send out a signal.Calling box; calling board; hall buttons4.48
A device set on the side of the landing door to call the car to stop at the calling landing.4.49Traveling cableTraveling cable; trailing cableThe cable connected between the bottom of the running car and the fixed point of the shaft.Traveling cable rackTraveling cable support4.50
A component for setting up the traveling cable at the bottom of the car. 4.51Rope clamp
A component that clamps the electric rope and can make the rope pitch and the rope groove pitch of the traction wheel consistent. 4.52Rope head plate
A component for erecting the rope head assembly.
4.53Deflector sheave
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A sheave set up to increase the distance between the car and the counterweight so that the electric rope can be guided to the counterweight device or one side of the car through the sheave. 4.54Secondary sheave;doublewrap sheave;sheavetraction secondaryIn order to increase the wrap angle of the electric rope to the traction sheave, the traction rope is wound out of the traction sheave and then wound into the traction sheave again through the rope sheave. This rope sheave with a guiding function is called a double sheave.
4.55Diversion sheave
A movable pulley set up on the top of the car frame and the counterweight frame. Different electric traction ratios can be formed by passing the electric traction rope around the anti-ropes pulley as needed. 4.56 Guide rails; guide
Guide components for the operation of the car and counterweight. 4.57 Hollow guide rail hollowguoderailwww.bzxz.net
A guide rail made of steel plate that is cold-rolled and bent into a hollow T shape. 4.58 Guide rail brackets rail brackets rail support A component fixed to the shaft wall or beam to support and fix the guide rail. 4.59 Guide rail connecting plate (piece) fishplate is a metal plate (piece) that is fastened to the bottom surface of the ends of two adjacent guide rails and serves as a connecting guide rail. 4.60 Guide rail lubrication device rail lubricate device is set on both sides of the upper end of the car frame and the counterweight frame. It is an automatic oiling device to keep the guide rail and the sliding guide shoe well lubricated. 4.61 Machine supporting beams machine supporting beams are laid on or below the machine room floor and are steel beams that bear the deadweight and load of the electric traction machine. 4.62 Pit protection grid A fence set in the pit, between the car and the counterweight device, which serves as a protection for maintenance personnel. 4.63 Tachogenerator A device that detects the speed of the car and converts it into an electrical signal. 4.64 Handwheel handwheet;wheet;manualwheel A special handwheel that uses manpower to rotate the electric pulley. 4.65 Brake wrench brakewrench
A manual tool to release the brake of the electric traction machine. 4.66 Landing indicator of machine room A signal device set in the machine room that displays the floor where the car is running. 4.67 Floor selector floor selecton
A mechanical or electrically driven device. Used to perform or control all or part of the following functions: determine the direction of operation, accelerate, decelerate, level, stop, cancel the elevator call signal, door operation, position display and floor door indicator light control. Taped driving device4.68
A device that transmits the running status of the car to the selector through a steel belt. Overspeed governorOverspeed governor4.69
A safety device that causes the safety clamp to take effect when the running speed of the elevator exceeds a certain value of the rated speed. 4.70
Governor tension pulleyA pulley device that tensions the wire rope of the speed limiter. 4.71Safety gear devicesafety gear
When the speed limiter is activated, it stops the car or counterweight from running and keeps it stationary, and can clamp it on the guide rail. Instantaneous safety gear deviceInstantaneous safety gear4.71.1
A safety gear that can instantly make the clamping force reach the maximum value and can completely clamp it on the guide rail. 4.71.2 Progressive safety gear; Gradual safety A safety gear that takes special measures to gradually reach the maximum clamping force and finally completely clamps on the guide rail. :com Engineering Construction Standard Full Text Information System
4.72 Key switch box key switch board An electrical device that allows dedicated personnel to use a key to put the elevator into operation or stop. 4.73 Door interlock device; locks; door locking device An electromechanical interlocking safety device that locks the car door and the floor door after closing, and connects the control circuit at the same time, so that the car can only run. 4.74 Landing door safety switch landing door safety switch A safety device that prevents the car from running when the floor door is not completely closed. 4.75 Sliding guide shoe sliding guide shoe is set on the car frame and counterweight device, and its shoe lining slides on the guide rail, allowing the car and counterweight device to run along the guide rail. 4.76 Guide shoe busher; shoe guide Sliding friction part in the sliding guide shoe.
4.77 Roller guide shoe roller guide shoe
A guiding device installed on the car frame and counterweight device, whose roller rolls on the guide rail to make the car and counterweight device run along the guide rail. 4.78 Counterweight device; The counterweight counterweight is connected to the car by an electric guide rope through an electric guide pulley, and plays a balancing role during operation. 4.79 Fireman switchboard When a fire occurs, it is an electrical device that can be used by firefighters to switch the elevator to a fire state. It is usually installed at the base station. 4.80 Toe guard
A safety baffle extending downward from the floor sill or the car sill and having a smooth vertical part. 4.81 Rope stop device wardoffropedevice A safety protection component that prevents the traction rope from going out of the rope sheave groove. 4.82 Car safety window topcaremergencyexit; careemergencyopening A closed window that opens outwards on the top of the car, for use by installation and maintenance personnel or for the emergency exit of the car to rescue and evacuate passengers in the event of an accident. The window is equipped with a switch that disconnects the control circuit when the window leaf is opened. 4.83 Car safety door; careemergencyexit, emergencydoor There are multiple elevators in the same parallel channel. The door is on the wall of the adjacent car and opens inward, allowing passengers and drivers to leave the car under special circumstances and take the safety exit of the adjacent car. The door is equipped with a switch that disconnects the control circuit when the door leaf is opened. 4.84 Proximity protection device A safety device that is set at the entrance and exit of the car. During the door closing process, when there are passengers or obstacles at the entrance and exit, a signal is sent through electronic components or other components to stop the door from closing and reopen it. 4.85 Emergency unlocking device Emergency unlocking device is a device that can open the landing door with the help of the triangular keyhole on the landing door in case of emergency. 4.86 Emergency power supply device; Emergency power supply device Emergency power device When the elevator power supply fails and the power is cut off, the power supply device for the car to run to the adjacent landing station to stop. 5 Control mode
5.1 Handle switch operation; Car switch control car handle control; car switch operation The elevator driver turns the handle position (open/closed) to operate or stop the elevator. 5.2 Button control push button control push button operation The elevator operation is controlled by the floor selection button or the floor call button on the control panel in the car. When a passenger at a certain floor removes the elevator call button, the elevator starts to run to answer. If the elevator call button of other landings is pressed during the operation of the elevator, the control system can only store the signal, and cannot answer it, and cannot stop the elevator until the elevator completes the previous answer operation landing before answering the elevator call signal of other landings.
5.3Signal controlsignalcontrol;signaloperationW.54 secondary sheave; double wrap sheave; sheave traction secondary In order to increase the wrap angle of the electric traction rope on the traction sheave, the traction rope is wound out of the traction sheave and then rewound into the traction sheave through the rope sheave. This rope sheave with a guiding function is called a secondary sheave.
4.55 diversion sheave
A movable pulley set on the upper part of the car frame and the counterweight frame. The electric traction rope can be wound around the diversion sheave according to the needs to form different electric traction ratios. 4.56 Guide rails guide rails; guide
Guide components for the operation of the car and counterweight. 4.57 Hollow guide rail hollowguoderail
A guide rail made of steel plate that is cold-rolled and bent into a hollow T shape. 4.58 Guide rail brackets rail brackets srail support A component fixed to the shaft wall or beam to support and fix the guide rail. 4.59 Guide rail connection plate (piece) Fishplate is a metal plate (piece) fastened to the bottom surface of the ends of two adjacent guide rails, which serves to connect the guide rails. 4.60 Guide rail lubrication device rail lubricate device is set on both sides of the upper end of the car frame and the counterweight frame, and is an automatic oiling device to keep the guide rail and the sliding guide shoe well lubricated. 4.61 Machine supporting beams machine supporting beams are laid on or below the machine room floor and are steel beams that bear the deadweight and load of the electric traction machine. 4.62 Pit protection grid is set in the pit, located between the car and the counterweight device, and serves as a fence for maintenance personnel. 4.63 Speed detection device tachogenerator is a device that detects the running speed of the car and converts it into an electrical signal. 4.64 Handwheel handwheet;wheet;manualwheel is a special handwheel that uses manpower to rotate the electric traction wheel. 4.65 Brake wrench brakewrench
A manual tool to release the brake of the electric traction machine. 4.66 Landing indicator of machine room A signaling device installed in the machine room to display the landing where the car is running. 4.67 Floor selector
A mechanical or electrically driven device. Used to perform or control all or part of the following functions: determine the running direction, acceleration, deceleration, leveling, stop, cancel the elevator call signal, door operation, position display and floor door indicator light control. Taped driving device4.68
A device that transmits the running status of the car to the floor selector through a steel belt. Overspeed governorOverspeed governor4.69
A safety device whose action can cause the safety clamp to take effect when the running speed of the elevator exceeds a certain value of the rated speed. 4.70
Governor tension pulleyA pulley device for tensioning the wire rope of the overspeed governor. 4.71 Safety Gear Device Safety Gear || TT || When the speed limiter is activated, the car or counterweight stops running and remains stationary, and can be clamped on the guide rail. Instantaneous Safety Gear Device Instantaneous Safety Gear 4.71.1 || TT || A safety gear that can instantly make the clamping force reach the maximum value and can completely clamp on the guide rail. 4.71.2 Progressive Safety Gear Device Progressive Safety Gear; Gradual Safety A safety gear that takes special measures to gradually reach the maximum clamping force and finally completely clamp on the guide rail. :com Engineering Construction Standard Full Text Information System || TT || 4.72 Key Switch Box Key Switch Board An electrical device that allows full-time personnel to use a key to put the elevator into operation or stop. 4.73 Door Interlock Device; Locks; Door Locking Device An electromechanical interlocking safety device that locks the car door and the floor door after closing, and connects the control circuit at the same time, so that the car can run. 4.74 Landing door safety switch A safety device that prevents the car from running when the landing door is not completely closed. 4.75 Sliding guide shoe A guide device installed on the car frame and counterweight device, whose shoe lining slides on the guide rail, allowing the car and counterweight device to run along the guide rail. 4.76 Guide shoe busher; shoe guide A sliding friction part in the sliding guide shoe.
4.77 Roller guide shoe roller guide shoe
A guide device installed on the car frame and counterweight device, whose roller rolls on the guide rail, allowing the car and counterweight device to run along the guide rail. 4.78 Counterweight device; counterweight counterweight is connected to the car by an electric guide rope through an electric guide pulley, and plays a balancing role during operation. 4.79 Fireman switchboard An electrical device that can be used by firefighters to switch the elevator to a fire state when a fire occurs. Generally installed at the base station. 4.80 Toeguard
A safety baffle extending downward from the floor sill or the car sill and having a smooth vertical portion. 4.81 Wardoffropedevice A safety protection component that prevents the traction rope from going out of the rope sheave groove. 4.82 Car safety window topcaremergeneyexit; careemergencyopening A closed window that opens outwards on the top of the car, for use by installation and maintenance personnel or for the rescue and evacuation of passengers in the event of an accident. The window is equipped with a switch that disconnects the control circuit when the window leaf is opened. 4.83 Car safety door; careemergencyexit, emergencydoor There are multiple elevators in the same parallel channel. The door is on the wall of the adjacent car and opens inwards, allowing passengers and drivers to leave the car under special circumstances and take the safety exit of the adjacent car instead. The door is equipped with a switch that disconnects the control circuit when the door leaf is opened. 4.84 Proximity protection device is installed at the entrance and exit of the car. During the door closing process, when there are passengers or obstacles at the entrance and exit, a signal is sent through electronic components or other components to stop the door from closing and reopen the safety device. 4.85 Emergency unlocking device is a device that can open the floor door from outside the floor door with the help of the triangular keyhole on the floor door in case of emergency. 4.86 Emergency power supply device; emergency power supply device emergency power device is a power supply device for the car to run to the adjacent floor station when the power supply of the elevator fails and the power is cut off. 5 Control mode
5.1 Handle switch operation; car switch control carhandlecontrol; carswitchoperation The elevator driver turns the handle position (open/closed) to operate or stop the elevator. 5.2 Push button control push button operation The elevator operation is controlled by the floor selection button on the control panel in the car or the floor call button. When a passenger at a certain floor presses the elevator call button, the elevator starts to run to answer the call. If a call button is pressed at another floor during the elevator operation, the control system can only record the signal and cannot answer it, nor can it stop the elevator. It can only answer the call signal of other floors after the elevator completes the previous answering operation floor.
5.3 Signal control signalcontrol; signaloperationW.54 secondary sheave; double wrap sheave; sheave traction secondary In order to increase the wrap angle of the electric traction rope on the traction sheave, the traction rope is wound out of the traction sheave and then rewound into the traction sheave through the rope sheave. This rope sheave with a guiding function is called a secondary sheave.
4.55 diversion sheave
A movable pulley set on the upper part of the car frame and the counterweight frame. The electric traction rope can be wound around the diversion sheave according to the needs to form different electric traction ratios. 4.56 Guide rails guide rails; guide
Guide components for the operation of the car and counterweight. 4.57 Hollow guide rail hollowguoderail
A guide rail made of steel plate that is cold-rolled and bent into a hollow T shape. 4.58 Guide rail brackets rail brackets srail support A component fixed to the shaft wall or beam to support and fix the guide rail. 4.59 Guide rail connection plate (piece) Fishplate is a metal plate (piece) fastened to the bottom surface of the ends of two adjacent guide rails, which serves to connect the guide rails. 4.60 Guide rail lubrication device rail lubricate device is set on both sides of the upper end of the car frame and the counterweight frame, and is an automatic oiling device to keep the guide rail and the sliding guide shoe well lubricated. 4.61 Machine supporting beams machine supporting beams are laid on or below the machine room floor and are steel beams that bear the deadweight and load of the electric traction machine. 4.62 Pit protection grid is set in the pit, located between the car and the counterweight device, and serves as a fence for maintenance personnel. 4.63 Speed detection device tachogenerator is a device that detects the running speed of the car and converts it into an electrical signal. 4.64 Handwheel handwheet;wheet;manualwheel is a special handwheel that uses manpower to rotate the electric traction wheel. 4.65 Brake wrench brakewrench
A manual tool to release the brake of the electric traction machine. 4.66 Landing indicator of machine room A signaling device installed in the machine room to display the landing where the car is running. 4.67 Floor selector
A mechanical or electrically driven device. Used to perform or control all or part of the following functions: determine the running direction, acceleration, deceleration, leveling, stop, cancel the elevator call signal, door operation, position display and floor door indicator light control. Taped driving device4.68
A device that transmits the running status of the car to the floor selector through a steel belt. Overspeed governorOverspeed governor4.69
A safety device whose action can cause the safety clamp to take effect when the running speed of the elevator exceeds a certain value of the rated speed. 4.70
Governor tension pulleyA pulley device for tensioning the wire rope of the overspeed governor. 4.71 Safety Gear Device Safety Gear || TT || When the speed limiter is activated, the car or counterweight stops running and remains stationary, and can be clamped on the guide rail. Instantaneous Safety Gear Device Instantaneous Safety Gear 4.71.1 || TT || A safety gear that can instantly make the clamping force reach the maximum value and can completely clamp on the guide rail. 4.71.2 Progressive Safety Gear Device Progressive Safety Gear; Gradual Safety A safety gear that takes special measures to gradually reach the maximum clamping force and finally completely clamp on the guide rail. :com Engineering Construction Standard Full Text Information System || TT || 4.72 Key Switch Box Key Switch Board An electrical device that allows full-time personnel to use a key to put the elevator into operation or stop. 4.73 Door Interlock Device; Locks; Door Locking Device An electromechanical interlocking safety device that locks the car door and the floor door after closing, and connects the control circuit at the same time, so that the car can run. 4.74 Landing door safety switch A safety device that prevents the car from running when the landing door is not completely closed. 4.75 Sliding guide shoe A guide device installed on the car frame and counterweight device, whose shoe lining slides on the guide rail, allowing the car and counterweight device to run along the guide rail. 4.76 Guide shoe busher; shoe guide A sliding friction part in the sliding guide shoe.
4.77 Roller guide shoe roller guide shoe
A guide device installed on the car frame and counterweight device, whose roller rolls on the guide rail, allowing the car and counterweight device to run along the guide rail. 4.78 Counterweight device; counterweight counterweight is connected to the car by an electric guide rope through an electric guide pulley, and plays a balancing role during operation. 4.79 Fireman switchboard An electrical device that can be used by firefighters to switch the elevator to a fire state when a fire occurs. Generally installed at the base station. 4.80 Toeguard
A safety baffle extending downward from the floor sill or the car sill and having a smooth vertical portion. 4.81 Wardoffropedevice A safety protection component that prevents the traction rope from going out of the rope sheave groove. 4.82 Car safety window topcaremergeneyexit; careemergencyopening A closed window that opens outwards on the top of the car, for use by installation and maintenance personnel or for the rescue and evacuation of passengers in the event of an accident. The window is equipped with a switch that disconnects the control circuit when the window leaf is opened. 4.83 Car safety door; careemergencyexit, emergencydoor There are multiple elevators in the same parallel channel. The door is on the wall of the adjacent car and opens inwards, allowing passengers and drivers to leave the car under special circumstances and take the safety exit of the adjacent car instead. The door is equipped with a switch that disconnects the control circuit when the door leaf is opened. 4.84 Proximity protection device is installed at the entrance and exit of the car. During the door closing process, when there are passengers or obstacles at the entrance and exit, a signal is sent through electronic components or other components to stop the door from closing and reopen the safety device. 4.85 Emergency unlocking device is a device that can open the floor door from outside the floor door with the help of the triangular keyhole on the floor door in case of emergency. 4.86 Emergency power supply device; emergency power supply device emergency power device is a power supply device for the car to run to the adjacent floor station when the power supply of the elevator fails and the power is cut off. 5 Control mode
5.1 Handle switch operation; car switch control carhandlecontrol; carswitchoperation The elevator driver turns the handle position (open/closed) to operate or stop the elevator. 5.2 Push button control push button operation The elevator operation is controlled by the floor selection button on the control panel in the car or the floor call button. When a passenger at a certain floor presses the elevator call button, the elevator starts to run to answer the call. If a call button is pressed at another floor during the elevator operation, the control system can only record the signal and cannot answer it, nor can it stop the elevator. It can only answer the call signal of other floors after the elevator completes the previous answering operation floor.
5.3 Signal control signalcontrol; signaloperationW.59 Guide rail connection plate (piece) Fishplate is a metal plate (piece) fastened to the bottom surface of the ends of two adjacent guide rails, which serves to connect the guide rails. 4.60 Guide rail lubrication device rail lubricate device is set on both sides of the upper end of the car frame and the counterweight frame, and is an automatic oiling device to keep the guide rail and the sliding guide shoe well lubricated. 4.61 Machine supporting beams machine supporting beams are laid on or below the machine room floor and are steel beams that bear the deadweight and load of the electric traction machine. 4.62 Pit protection grid is set in the pit, located between the car and the counterweight device, and serves as a fence for maintenance personnel. 4.63 Speed detection device tachogenerator is a device that detects the running speed of the car and converts it into an electrical signal. 4.64 Handwheel handwheet;wheet;manualwheel is a special handwheel that uses manpower to rotate the electric traction wheel. 4.65 Brake wrench brakewrench
A manual tool to release the brake of the electric traction machine. 4.66 Landing indicator of machine room A signaling device installed in the machine room to display the landing where the car is running. 4.67 Floor selector
A mechanical or electrically driven device. Used to perform or control all or part of the following functions: determine the running direction, acceleration, deceleration, leveling, stop, cancel the elevator call signal, door operation, position display and floor door indicator light control. Taped driving device4.68
A device that transmits the running status of the car to the floor selector through a steel belt. Overspeed governorOverspeed governor4.69
A safety device whose action can cause the safety clamp to take effect when the running speed of the elevator exceeds a certain value of the rated speed. 4.70
Governor tension pulleyA pulley device for tensioning the wire rope of the overspeed governor. 4.71 Safety Gear Device Safety Gear || TT || When the speed limiter is activated, the car or counterweight stops running and remains stationary, and can be clamped on the guide rail. Instantaneous Safety Gear Device Instantaneous Safety Gear 4.71.1 || TT || A safety gear that can instantly make the clamping force reach the maximum value and can completely clamp on the guide rail. 4.71.2 Progressive Safety Gear Device Progressive Safety Gear; Gradual Safety A safety gear that takes special measures to gradually reach the maximum clamping force and finally completely clamp on the guide rail. :com Engineering Construction Standard Full Text Information System || TT || 4.72 Key Switch Box Key Switch Board An electrical device that allows full-time personnel to use a key to put the elevator into operation or stop. 4.73 Door Interlock Device; Locks; Door Locking Device An electromechanical interlocking safety device that locks the car door and the floor door after closing, and connects the control circuit at the same time, so that the car can run. 4.74 Landing door safety switch A safety device that prevents the car from running when the landing door is not completely closed. 4.75 Sliding guide shoe A guide device installed on the car frame and counterweight device, whose shoe lining slides on the guide rail, allowing the car and counterweight device to run along the guide rail. 4.76 Guide shoe busher; shoe guide A sliding friction part in the sliding guide shoe.
4.77 Roller guide shoe roller guide shoe
A guide device installed on the car frame and counterweight device, whose roller rolls on the guide rail, allowing the car and counterweight device to run along the guide rail. 4.78 Counterweight device; counterweight counterweight is connected to the car by an electric guide rope through an electric guide pulley, and plays a balancing role during operation. 4.79 Fireman switchboard An electrical device that can be used by firefighters to switch the elevator to a fire state when a fire occurs. Generally installed at the base station. 4.80 Toeguard
A safety baffle extending downward from the floor sill or the car sill and having a smooth vertical portion. 4.81 Wardoffropedevice A safety protection component that prevents the traction rope from going out of the rope sheave groove. 4.82 Car safety window topcaremergeneyexit; careemergencyopening A closed window that opens outwards on the top of the car, for use by installation and maintenance personnel or for the rescue and evacuation of passengers in the event of an accident. The window is equipped with a switch that disconnects the control circuit when the window leaf is opened. 4.83 Car safety door; careemergencyexit, emergencydoor There are multiple elevators in the same parallel channel. The door is on the wall of the adjacent car and opens inwards, allowing passengers and drivers to leave the car under special circumstances and take the safety exit of the adjacent car instead. The door is equipped with a switch that disconnects the control circuit when the door leaf is opened. 4.84 Proximity protection device is installed at the entrance and exit of the car. During the door closing process, when there are passengers or obstacles at the entrance and exit, a signal is sent through electronic components or other components to stop the door from closing and reopen the safety device. 4.85 Emergency unlocking device is a device that can open the floor door from outside the floor door with the help of the triangular keyhole on the floor door in case of emergency. 4.86 Emergency power supply device; emergency power supply device emergency power device is a power supply device for the car to run to the adjacent floor station when the power supply of the elevator fails and the power is cut off. 5 Control mode
5.1 Handle switch operation; car switch control carhandlecontrol; carswitchoperation The elevator driver turns the handle position (open/closed) to operate or stop the elevator. 5.2 Push button control push button operation The elevator operation is controlled by the floor selection button on the control panel in the car or the floor call button. When a passenger at a certain floor presses the elevator call button, the elevator starts to run to answer the call. If a call button is pressed at another floor during the elevator operation, the control system can only record the signal and cannot answer it, nor can it stop the elevator. It can only answer the call signal of other floors after the elevator completes the previous answering operation floor.
5.3 Signal control signalcontrol; signaloperationW.59 Guide rail connection plate (piece) Fishplate is a metal plate (piece) fastened to the bottom surface of the ends of two adjacent guide rails, which serves to connect the guide rails. 4.60 Guide rail lubrication device rail lubricate device is set on both sides of the upper end of the car frame and the counterweight frame, and is an automatic oiling device to keep the guide rail and the sliding guide shoe well lubricated. 4.61 Machine supporting beams machine supporting beams are laid on or below the machine room floor and are steel beams that bear the deadweight and load of the electric traction machine. 4.62 Pit protection grid is set in the pit, located between the car and the counterweight device, and serves as a fence for maintenance personnel. 4.63 Speed detection device tachogenerator is a device that detects the running speed of the car and converts it into an electrical signal. 4.64 Handwheel handwheet;wheet;manualwheel is a special handwheel that uses manpower to rotate the electric traction wheel. 4.65 Brake wrench brakewrench
A manual tool to release the brake of the electric traction machine. 4.66 Landing indicator of machine room A signaling device installed in the machine room to display the landing where the car is running. 4.67 Floor selector
A mechanical or electrically driven device. Used to perform or control all or part of the following functions: determine the running direction, acceleration, deceleration, leveling, stop, cancel the elevator call signal, door operation, position display and floor door indicator light control. Taped driving device4.68
A device that transmits the running status of the car to the floor selector through a steel belt. Overspeed governorOverspeed governor4.69
A safety device whose action can cause the safety clamp to take effect when the running speed of the elevator exceeds a certain value of the rated speed. 4.70
Governor tension pulleyA pulley device for tensioning the wire rope of the overspeed governor. 4.71 Safety Gear Device Safety Gear || TT || When the speed limiter is activated, the car or counterweight stops running and remains stationary, and can be clamped on the guide rail. Instantaneous Safety Gear Device Instantaneous Safety Gear 4.71.1 || TT || A safety gear that can instantly make the clamping force reach the maximum value and can completely clamp on the guide rail. 4.71.2 Progressive Safety Gear Device Progressive Safety Gear; Gradual Safety A safety gear that takes special measures to gradually reach the maximum clamping force and finally completely clamp on the guide rail. :com Engineering Construction Standard Full Text Information System || TT || 4.72 Key Switch Box Key Switch Board An electrical device that allows full-time personnel to use a key to put the elevator into operation or stop. 4.73 Door Interlock Device; Locks; Door Locking Device An electromechanical interlocking safety device that locks the car door and the floor door after closing, and connects the control circuit at the same time, so that the car can run. 4.74 Landing door safety switch A safety device that prevents the car from running when the landing door is not completely closed. 4.75 Sliding guide shoe A guide device installed on the car frame and counterweight device, whose shoe lining slides on the guide rail, allowing the car and counterweight device to run along the guide rail. 4.76 Guide shoe busher; shoe guide A sliding friction part in the sliding guide shoe.
4.77 Roller guide shoe roller guide shoe
A guide device installed on the car frame and counterweight device, whose roller rolls on the guide rail, allowing the car and counterweight device to run along the guide rail. 4.78 Counterweight device; counterweight counterweight is connected to the car by an electric guide rope through an electric guide pulley, and plays a balancing role during operation. 4.79 Fireman switchboard An electrical device that can be used by firefighters to switch the elevator to a fire state when a fire occurs. Generally installed at the base station. 4.80 Toeguard
A safety baffle extending downward from the floor sill or the car sill and having a smooth vertical portion. 4.81 Wardoffropedevice A safety protection component that prevents the traction rope from going out of the rope sheave groove. 4.82 Car safety window topcaremergeneyexit; careemergencyopening A closed window that opens outwards on the top of the car, for use by installation and maintenance personnel or for the rescue and evacuation of passengers in the event of an accident. The window is equipped with a switch that disconnects the control circuit when the window leaf is opened. 4.83 Car safety door; careemergencyexit, emergencydoor There are multiple elevators in the same parallel channel. The door is on the wall of the adjacent car and opens inwards, allowing passengers and drivers to leave the car under special circumstances and take the safety exit of the adjacent car instead. The door is equipped with a switch that disconnects the control circuit when the door leaf is opened. 4.84 Proximity protection device is installed at the entrance and exit of the car. During the door closing process, when there are passengers or obstacles at the entrance and exit, a signal is sent through electronic components or other components to stop the door from closing and reopen the safety device. 4.85 Emergency unlocking device is a device that can open the floor door from outside the floor door with the help of the triangular keyhole on the floor door in case of emergency. 4.86 Emergency power supply device; emergency power supply device emergency power device is a power supply device for the car to run to the adjacent floor station when the power supply of the elevator fails and the power is cut off. 5 Control mode
5.1 Handle switch operation; car switch control carhandlecontrol; carswitchoperation The elevator driver turns the handle position (open/closed) to operate or stop the elevator. 5.2 Push button control push button operation The elevator operation is controlled by the floor selection button on the control panel in the car or the floor call button. When a passenger at a certain floor presses the elevator call button, the elevator starts to run to answer the call. If a call button is pressed at another floor during the elevator operation, the control system can only record the signal and cannot answer it, nor can it stop the elevator. It can only answer the call signal of other floors after the elevator completes the previous answering operation floor.
5.3 Signal control signalcontrol; signaloperationW.70
Governor tension pulleyGovernor tension pulleyThe pulley device for tensioning the wire rope of the speed governor. 4.71Safety gear deviceSafety gear
When the speed governor is activated, the car or counterweight stops running and remains stationary, and can be clamped on the guide rail. Instantaneous safety gear deviceInstantaneous safety gear4.71.1
A safety gear that can instantly make the clamping force reach the maximum value and can completely clamp on the guide rail. 4.71.2Progressive safety gear deviceProgressive safety gear; Gradual safetyTake special measures to make the clamping force gradually reach the maximum value, and finally completely clamp on the guide rail. ：comEngineering Construction Standard Full Text Information System
4.72Key switch boxKey switchboardAn electrical device that allows full-time personnel to use a key to put the elevator into operation or stop. 4.73 Door interlock; locks; door locking device An electromechanical interlocking safety device that locks the car door and landing door after closing and connects the control circuit at the same time, so that the car can only run. 4.74 Landing door safety switch A safety device that prevents the car from running when the landing door is not completely closed. 4.75 Sliding guide shoe A guiding device that is installed on the car frame and counterweight device, and its shoe lining slides on the guide rail to enable the car and counterweight device to run along the guide rail. 4.76 Guide shoe busher; shoe guide A sliding friction part in the sliding guide shoe.
4.77 Roller guide shoe
A guiding device that is installed on the car frame and counterweight device, and its roller rolls on the guide rail to enable the car and counterweight device to run along the guide rail. 4.78 Counterweight device; counterweight is connected to the car by electric ropes through electric pulleys, and plays a balancing role during operation. 4.79 Fireman switchboard When a fire occurs, it is an electrical device that can be used by firefighters to switch the elevator to firefighting status. It is usually installed at the base station. 4.80 Toe guard
A safety baffle extending downward from the floor sill or the car sill and having a smooth vertical part. 4.81 Rope stop device wardoffropedevice A safety protection component that prevents the traction rope from going out of the rope sheave groove. 4.82 Car safety window topcaremergeneyexit; careemergencyopening A closed window that opens outwards on the top of the car, for use by installation and maintenance personnel or for rescue and evacuation of passengers in the event of an accident. The window is equipped with a switch that disconnects the control circuit when the window sash is opened. 4.83 Car safety door; emergency door careemergencyexit, emergencydoor There are multiple elevators in the same parallel channel. The door is on the wall of the adjacent car and opens inwards. It allows passengers and drivers to leave the car under special circumstances and take the safety exit of the adjacent car. The door is equipped with a switch that can disconnect the control circuit when the door leaf is opened. 4.84 Proximity protection device Proximity protection device is set at the entrance and exit of the car. During the door closing process, when there are passengers or obstacles at the entrance and exit, a signal is sent through electronic components or other components to stop the door from closing and reopen the safety device. 4.85 Emergency unlocking device Emergency unlocking device For emergency needs, the floor door can be opened from outside the floor door with the help of the triangular keyhole on the floor door. 4.86 Emergency power supply device; emergency power supply device emergencypowerdevice When the elevator power supply fails and the power is cut off, the power supply device for the car to run to the adjacent floor station to stop. 5 Control mode
5.1 Handle switch operation; car switch control carhandlecontrol; carswitchoperation The elevator driver turns the handle position (open/closed) to operate or stop the elevator. 5.2 Pushbuttoncontrol pushbuttonoperation The elevator operation is controlled by the floor selection button or the floor call button on the control panel in the car. When a passenger at a certain floor presses the call button, the elevator starts to run to answer. If a call button at another floor is pressed during the operation of the elevator, the control system can only store the signal and cannot answer it, and it cannot stop the elevator until the elevator completes the previous answer operation floor before answering the call signal at other floors.
5.3 Signal control signalcontrol; signaloperation W.70
Governor tension pulleyGovernor tension pulleyThe pulley device for tensioning the wire rope of the speed governor. 4.71Safety gear deviceSafety gear
When the speed governor is activated, the car or counterweight stops running and remains stationary, and can be clamped on the guide rail. Instantaneous safety gear deviceInstantaneous safety gear4.71.1
A safety gear that can instantly make the clamping force reach the maximum value and can completely clamp on the guide rail. 4.71.2Progressive safety gear deviceProgressive safety gear; Gradual safetyTake special measures to make the clamping force gradually reach the maximum value, and finally completely clamp on the guide rail. ：comEngineering Construction Standard Full Text Information System
4.72Key switch boxKey switchboardAn electrical device that allows full-time personnel to use a key to put the elevator into operation or stop. 4.73 Door interlock; locks; door locking device An electromechanical interlocking safety device that locks the car door and landing door after closing and connects the control circuit at the same time, so that the car can only run. 4.74 Landing door safety switch A safety device that prevents the car from running when the landing door is not completely closed. 4.75 Sliding guide shoe A guiding device that is installed on the car frame and counterweight device, and its shoe lining slides on the guide rail to enable the car and counterweight device to run along the guide rail. 4.76 Guide shoe busher; shoe guide A sliding friction part in the sliding guide shoe.
4.77 Roller guide shoe
A guiding device that is installed on the car frame and counterweight device, and its roller rolls on the guide rail to enable the car
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