This standard specifies the types, technical parameters, general concepts, mechanisms and components of bucket wheel stackers and reclaimers, as well as the common terms and meanings of safety detection devices. This standard is applicable to various types of bucket wheel stackers, bucket wheel reclaimers and arm stackers. JB/T 7329-1994 Bucket wheel stacker reclaimer terminology JB/T7329-1994 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T7329-94
Terms of Bucket Wheel Stacker and Reclaimer
Published on July 18, 1994
Ministry of Machinery Industry of the People's Republic of China
Implementation on July 1, 1995
Mechanical Industry Standard of the People's Republic of China
Terms of Bucket Wheel Stacker and Reclaimer
1 Subject Content and Scope of Application
JB/T7329-94
This standard specifies the types, technical parameters, general concepts, mechanisms and components of bucket wheel stacker and reclaimer, and the common terms and their meanings of safety detection devices.
This standard applies to various types of bucket wheel stackers, bucket wheel reclaimers and arm stackers. 2 Types
Bucket wheel stacker reclaimer is a general term for boom-type bucket wheel stacker reclaimer, gantry-type bucket wheel stacker reclaimer, circular material field bucket wheel stacker reclaimer and boom-type stacker reclaimer.
2.1 Bucket wheel stacker reclaimer bucketwheelstackerreclaimer A stacking and reclaiming equipment that runs on the material storage yard, reclaims materials through bucket wheels, and can also stack materials in the material yard through the boom conveyor running in the opposite direction.
Boom-type bucket wheel stacker reclaimer boom-type bucket wheel stacker reclaimer 2.1.1
Bucket wheel stacker reclaimer with the reclaiming mechanism installed at the front end of the frame. 2.1.2 Gantry-type bucket wheel stacker reclaimer A bucket wheel stacker reclaimer with the reclaiming mechanism mounted on the movable beam. 2.1.3
Bucket wheel stacker reclaimer for circular yard A stacker reclaimer for circular yards, composed of a bucket wheel reclaimer and a stacker running on a circular track. 2.2 Bucket wheel reclaimer A type of equipment that runs on a material yard and uses a bucket wheel reclaimer to perform material reclaiming operations. Boom-type bucket wheel reclaimer 2.2.1
A bucket wheel reclaimer with a reclaiming mechanism mounted on the front end of the boom. Bridge-type bucket wheel reclaimer 2.2.2
A bucket wheel reclaimer with a reclaiming mechanism mounted on a bridge spanning the material pile, gantry-type bucket wheel reclaimer 2.2.3
A bucket wheel reclaimer with a reclaiming mechanism mounted on a movable beam. Drum Blending Reclaimer2.2.4
A bucket wheel reclaimer with a mixing function and buckets distributed on the drum. 2.3 Boom-type StackerA device that operates on a stockyard and transfers materials from the stockyard conveyor to the boom conveyor through a tail car, and then stacks them in the stockyard.
2.3.1 Fixed Boom StackerFixed Boom StackerA stacker with a boom that can neither pitch nor rotate. Luffing Boom Stacker23.2
A stacker with a boom that can neither rotate but can pitch. Approved by the Ministry of Machinery Industry on July 18, 1994
Implemented on July 1, 1995
2.3.3 Jib StackerJib Stacker
A stacker with a boom that can both rotate and pitch. Shuttle stacker shuttlestacker
JB/T7329—94
A stacker with a boom that can move left and right to stack materials on both sides. Single-boom stacker single-boom stacker 2.3.5
A stacker with one boom conveyor. 2.3.6
Double-boom stacker double-boom stacker A stacker with two boom conveyors. 2.3.7
Blending stacker blending stacker
A stacker with blending function.
3 Technical parameters
3.1 Theoretical capacity theoretical capacity To ensure the rated productivity, the auxiliary operation time is deducted when designing the bucket capacity. The productivity value calculated from the equivalent bucket capacity and other bucket wheel parameters is also the maximum conveying capacity allowed by the belt conveyor supporting the bucket wheel machine. 3.2 Rated capacity
The hourly average of the material taking capacity agreed upon by the user and the manufacturer in the contract for the specific material pile conditions, measured under rated conditions for 2 hours of continuous operation.
Pile height above rail3.3
The height of the material pile above the material yard track surface. Pile height below rail3.4
The height of the material pile below the material yard track surface. 3.5 Material
Should include the name of the material, bulk density, maximum particle size and content, and moisture content. 3.6 Slewing radius
Material taking: The distance from the center of the bucket wheel to the center of rotation of the equipment when the boom is in the horizontal position. Material piling: The distance from the center of the reversing roller at the end of the boom to the center of rotation when the boom is in the horizontal position. Slewing angle slewing angle
The maximum angle at which the boom is allowed to rotate relative to the equipment rotation centerline. Pitch angleluffingangle
The angle between the boom and the horizontal line when it is raised to the highest position or lowered to the lowest position. Hoisting heighthoistingheight
The vertical distance from the lowest position to the highest position of the movable beam of the gantry bucket wheel stacker and reclaimer. 3.10Beltwidthbeltwidth
The width of the conveyor belt of the onboard belt conveyor. 3.11Belt speedbeltspeed
The conveying speed of the conveyor belt of the onboard belt conveyor. The horizontal distance between the center of the track and the center line of the running trackrailgauge
3.13Traveling speedtravellingspeed
The running speed of the bucket wheel stacker and reclaimer in a stable operating state. 3.14Maximum wheel loadmaximumwheelloadThe maximum vertical load transmitted to the track by a wheel. 2
5Power supply voltagepowervoltage
Refers to the voltage supplied to the bucket wheel stacker and reclaimer by the ground. Installed capacity
The sum of the power used by each bucket wheel stacker. Normal power
JB/T7329-94
The maximum value of the sum of the power used by each bucket wheel stacker when working at the same time. 3.18
Total weight
The sum of the weights of each part of the bucket wheel stacker. General concept
Luffing
The angle change of the boom in the vertical plane. 4.2Slewing
The rotation of the upper mechanism of the bucket wheel stacker around the center line of rotation in the horizontal plane. 4.3Travelling
The movement of the bucket wheel stacker along the track of the material yard. Traversing
The movement of the trolley along the bridge or movable beam.
4.5 Hoisting
The up and down movement of the movable beam along the outrigger.
4.6 Superstructure
A general term for all the above parts of the arm-type bucket wheel stacker and reclaimer slewing bearing. 4.7 Bucket wheel
A general term for the combination of wheel body, bucket, etc.
4.7.1 Cell bucket wheel A bucket wheel with fan-shaped grids that are not connected to each other on the wheel body, and the bucket body extends to the wheel body. Cell-less bucket wheel 4.7.2
A bucket wheel with no fan-shaped grids on the wheel body, the bucket body does not extend into the inner circle of the wheel body, and has a fixed round baffle and discharge plate. Semi-cell bucket wheel 4.7.3
There is a fan-shaped grid on the wheel body, the bucket body extends into the inner circle of the wheel body, and the bucket wheel has a fixed arc baffle and discharge plate. 4.8 Superstructure countertype The superstructure of the bucket wheel stacker reclaimer achieves a stable structure. Live counterweight
The live counterweight frame and the bucket wheel arm frame are connected by a rigid or flexible connecting rod, and the balance form swings around their respective hinges. 4.8.2 Fixed dead counterweight The balancing form in which the counterweight is fixed on the gate post counterweight arm. 4.8.3 Integral lever counteraction The balancing form in which the counterweight and the arm swing around the same rotation center. 4.9 Anti-tilting stability stability
The ability of the bucket wheel stacker to resist the tilting moment. 4.9.1 Stability under working condition The ability of the bucket wheel stacker to resist the tilting moment when it is in operation. 4.9.2 Stability under non-working condition 3
JB/T7329-94
The ability of the bucket wheel stacker to resist the tilting moment when it is not in operation. Stability coefficient stability coefficient 4.9.3
The ratio of the stability moment of the bucket wheel stacker to the tilting moment. 4.9.4
Stability moment stability moment
The moment at which the bucket wheel stacker maintains stability. Tipping moment
The moment caused by various loads that causes the bucket wheel stacker to tip over. 4.10
Cutting forcecutforce
The tangential component of force acting on the bucket blade circle when the bucket is digging materials. Line cutting resistancecutforceofline
The cutting force per unit length of the bucket blade.
Surface cutting resistancecutforceofa
The cutting force required to cut off a unit chip area. Side forcesideresistanceforce
The lateral component of force perpendicular to the radius of gyration and acting on the end face of the bucket blade. normalforce
4.12Normal force
The radial component of force acting on the bucket blade circle.
Standing stacking
The stacking method in which the trolley does not move during stacking. 4.14 Traveling stacking (strip-shaped material distribution) traveling stacking method when the trolley is continuously moving.
4.15 Blending stacking method Blending stacking method is a method of stacking materials by layering or row-by-row material distribution according to requirements to achieve uniform physical properties and uniform quality. 4.15.1 Chevron stockpiling method Chevron stockpiling method The boom is vertical to the track, and the material drop point is on the center line of the stockpile to form a multi-layer herringbone stockpile section at different pitch angles (Figure 1).
Diamond stockpiling method Windrow stockpiling method 4.15.2
Strip-shaped material distribution in small rows in the entire stockpile section, and the stacking method forms a combination of small diamond-shaped stockpiles (Figure 2).
JB/T7329-94
4.15.3 Chevron-windrowstockpilingmethod A method of stacking materials in which the arm rotates after the small row pitch strip distribution to form a stacking method with multiple groups of small herringbone layers in the diamond shape (Figure 3). Figure 3
4.16 Slewingreclaiming A method of reclaiming materials in which the trolley does not move and the arm rotates. 4.17 Travellingreclaiming A method of reclaiming materials in which the trolley moves continuously and the arm does not rotate. 4.18 Blendingreclaiming A method of reclaiming materials on the mixed material pile section using a material rake and a bucket. 4.19+
segment
The crescent-shaped volume cut by a bucket when the bucket wheel rotates and the boom rotates continuously (or the trolley moves continuously). 4.20layer
The volume formed by multiple slices formed by the operation or rotation of the trolley at the same material layer height. Maximum productivitymaximalcapacity
The hourly calculated value of the instantaneous maximum throughput capacity, calculated from the full load with tip bucket capacity and other bucket wheel parameters. 4.22ratedcondition
The dimensions of the pile (length, width, height), the physical properties of the material (name, bulk density, particle size, humidity, etc.) and the process method of operation meet the design task book, and are measured according to the flat bucket (i.e., the filling coefficient K=1) within 60° of the bucket wheel rotation to take the material.equivalentbucketvolume4.23
The sum of the bucket volume and the volume of its extended part. 4.24 Anti-direction of material The direction opposite to the material flow on the bucket wheel stacker and reclaimer. 4.25 Fully automatic control There is no driver on the machine. The bucket wheel stacker and reclaimer automatically moves to the required working position according to the wired or wireless remote control instructions from the central control room, adjusts the initial working position of each mechanism and automatically executes the specified stacking and reclaiming operation process. 4.26 Automatic control The bucket wheel stacker and reclaimer is operated by the driver to the required working position and adjusts the initial working position of each mechanism. After the data setting is input (set and input by the same machine or the central control room), the machine is started, and the bucket wheel stacker and reclaimer automatically performs stacking and reclaiming operations according to the set operation process. No driver operation is required during this period. The driver only monitors the operation of the machine. 4.27 Semi-automatic control The driver operates the bucket wheel stacker and reclaimer to the required working position and adjusts the initial working position of each mechanism. After the data setting is input (by the driver or the central control room), the machine is started, and the bucket wheel stacker and reclaimer automatically performs the stacking and reclaiming operations according to the set operation process. During this period, the driver still needs to operate and adjust the machine working position. 3 Manual control manual control || tt || The bucket wheel stacker and reclaimer is completely operated by the driver in the stacking and reclaiming operation process. Local control (single action) local control 4.291 || tt || Operate on the control box near the main transmission components of the bucket wheel stacker and reclaimer to install, debug and control these components. 5
4.30 Interlock control interlock control JB/T7329-94
The mutual constraints between the working mechanisms of bucket wheel stacker and reclaimer to ensure the safe operation of the equipment and the mutual constraints between the working mechanisms of the bucket wheel stacker and reclaimer according to certain process requirements (such as reverse logistics sequence start, interlock between the trolley and the cable reel, etc.). 4.31
Function device
Function device
is a special device of the arm type bucket wheel reclaimer, which includes a rotation angle ± detection sensor and a function generator. After detecting the rotation law, it outputs and is used as a given device of the rotation speed control system. When the rotation angle is adjusted, it can be adjusted according to the speed control system
system of
speed control system
It uses the
adjustable speed
function device as the given device of the speed control system. After the angular velocity of the boom at the initial position is given (generally changes regularly at the center of the track cosy
line.
line), the slewing mechanism makes the angular velocity of the boom at any position different with the slewing angle, according to =cosy
bucket wheel constant power speed control system
Econstant-poweradjustable-speedsystemof bucketwheel The speed of the slewing mechanism is adjusted by the speed control system, so that the power of the bucket wheel mechanism remains unchanged when taking materials. 4.34 "Quantitative" material reclaiming speed regulation (constant flow" speed regulation) constant material adjustable-speed The speed of the rotating mechanism of the bucket wheel stacker reclaimer (or the feeding amount of the walking mechanism) is adjusted according to the preset reclaiming amount and the reclaiming amount detected by the weighing device on the arm conveyor, so as to keep the reclaiming amount at the set value. 4.35 Telephone system for bucket wheel mechanism Telephone system for bucket wheel stacker reclaimer and the ground communication system. 4.36 Communication system communication system for bucket wheel mechanism The communication system for the exchange of working instructions, data, signals, etc. between the microcomputer control device on the bucket wheel stacker reclaimer and the control device in the ground control room.
Earthing system earthed system for bucket wheel mechanism 4.37
A complete and reliable grounding system including working grounding, maintenance grounding, and anti-static measures for pipelines and equipment. 5 Mechanisms and components
5.1 Bucket wheel reclaiming mechanism A mechanism that uses a bucket wheel to dig materials from a pile of materials. Bucket
A component with a bucket blade (and bucket teeth) used to dig materials. 5.1.2 Wheel frame
A double-ring structure that supports and connects each bucket and is connected by a crossbeam. Ring chute
A curved component supported on the boom to prevent the material in the bucket from falling in the non-discharging area. Centring device
Centering sleeve
A device that ensures the concentricity of the wheel body and the arc baffle. 5.1.5
Bucket wheel chute
A structure that is obliquely installed on the boom to guide the material in the bucket into the belt conveyor. 5.1.6 Harrow
A device that leans obliquely against the pile of materials to prevent landslides and evenly hook and rake the materials. Slewing mechanism
Mechanism that makes the upper mechanism of bucket wheel stacker reclaimer rotate around the slewing center. 5.2.1 Slewing ring
JB/T7329-94
Supporting device of the upper structure that can rotate around the center. 5.3 Cable reel
Device used to retract and release cables when the trolley is running. Bridge
Span-over-space bearing structure of bridge-type bucket wheel reclaimer. 5.5 Gantry
Gate-shaped structure composed of fixed beams and legs. 5.6 Leg
Structural member used to support the fixed beam.
Portal
Gate-shaped seat installed on the trolley running mechanism and supporting the upper mechanism. 5.8 Pillar
Structural member supporting bucket wheel boom and its load and balance system. Luffing mechanism
A mechanism that changes the height position of the bucket wheel.
5.10 Traveling mechanism A mechanism that adjusts the working position of the equipment and realizes longitudinal feeding, while transmitting the load of the equipment to the foundation. Counterweight
A weight used to balance the overturning moment.
Electric panel room
A room where electrical equipment is installed.
Telescopic chute
A guide tube on the gantry bucket wheel reclaimer that receives the material drop difference caused by the lifting and lowering of the belt conveyor. Alignment mechanism
A device that compensates for the horizontal deviation of the unloading point caused by the pitching surface of the boom when mixing and stacking. Tripper
A mechanism that transfers the materials transported by the material yard conveyor to the boom conveyor during stacking operations. Fixed single tripper
does not lift, and is suitable for trippers in straight-through material yards. Lifting single tripper
has a lifting mechanism, and is suitable for trippers in straight-through and return material yards. Semi-luffing tripper5.15.3
Half of the tripper can be lifted, and is suitable for straight-through and return material yards. Mobile twin tripper5.15.4
is a two-stage combination tripper, and the rear stage of the tripper can be moved, and is suitable for straight-through material yards. Fixed twin tripper5.15.5
is a fixed two-stage combination tripper, and is suitable for straight-through material yards. 5.15.6Intersection tripper is composed of an independent transfer conveyor and a tripper in a cross combination, and is suitable for straight-through and return material yards. 6 Safety detection device
6.1 Mechanism motion limiter
motionlimiter
When the corresponding mechanism element of the bucket wheel stacker reaches its limit position, the device can automatically stop the mechanism movement. 7
6.1.1 Slewing angle limiter slewinglimiter A limiter that limits the limit slewing angle of the boom. 6.1.2 Pitch angle limiter luffinglimiter JB/T732994
A limiter that limits the highest and lowest angle positions of the boom. 6.1.3 Hoisting height limiter hoistinglimiter A limiter that limits the highest and lowest positions of the movable beam. 6.1.4 Carriage terminal limiter travelinglimiter A limiter that limits the terminal position of the trolley operation. 6.1.5
Trolley travel limiter traversinglimiter A limiter that limits the terminal position of the trolley operation. 6.2 Overload protection device Overload protection device A protection device that automatically stops the machine when the load of the corresponding mechanism of the bucket wheel stacker exceeds the limit value. Overload protection device for bucket wheel mechanism 6.2.1
A protection device that automatically stops retrieving materials when the material excavated by the bucket wheel exceeds the limit value. Overtension protection device for cable 6.2.2
A protection device that automatically stops the cable reel and trolley when the cable tension exceeds the limit value. 6.2.3
Over moment protection device for slewing mechanism A protection device that automatically stops slewing when the slewing torque exceeds the limit value. Overtension protection device for luffing mechanism 6.2.4
A protection device that automatically stops pitching when the wire rope tension exceeds the limit value. 6.3 Detection device detector
A device that transmits an auditory or visual signal to the driver to reflect the working status of the bucket wheel stacker. 6.3.1 Belt slipping detector beltslippingdetector A device that detects whether there is relative sliding between the conveyor belt and the transmission roller during operation. 6.3.2 Belt deviation detector beltdeviationdetector A device that detects the displacement of the conveyor belt in the vertical running direction. metaldetector
6.3.3 Metal separation detector
A device that detects whether there is metal in the conveyed material and separates it. 6.3.4 Crushing detector for belt
A device that detects whether the conveyor belt is scratched by metal or sharp debris and torn in the longitudinal direction during operation. 6.3.5
Pile height detector pileheightdetector A device that displays the height of the pile.
Position detectionbZxz.net
Also known as absolute position detection, it is the detection of the actual position (distance or angle) of the three mechanisms of running, rotation and pitching through various sensors.
Relative position detectionRelative position detectionThe difference in the actual position (distance or angle) between the mechanisms of two bucket wheel stackers on the same track detected by relative position detection. Logistics detection device detecting device for material quantity 6.3.8
A device for detecting whether the material flow on the belt conveyor reaches the predetermined value. 6.4 Alarm device alarm device
When the bucket wheel stacker continues to operate, it will be dangerous and the device will automatically send out an alarm signal. 6.4.1Blockage alarm deviceBlockage alarm deviceWhen the hopper is blocked, the device automatically alarms and stops. 8
Wind speed alarm device
anemometer
JB/T 732994
When the wind speed exceeds the allowable value, the device automatically alarms and automatically stops. Emergency switch
Emergency switch
A switch used to stop the machine in an emergency.
anti-collision device
Anti-collision device
A device used to prevent collisions between adjacent bucket wheel stackers and collisions between the arm and the pile. Slewing lock
When the arm-type bucket wheel stacker is in driving or non-working state, the device that locks the slewing part so that it cannot rotate at will. Additional remarks:
This standard is proposed and managed by the Beijing Hoisting and Conveying Machinery Research Institute of the Ministry of Machinery Industry. This standard was drafted by Beijing Hoisting and Conveying Machinery Research Institute. The drafters of this standard are Li Yanhong and Wang Junquan.
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