This part defines the terminology of running gear of railway vehicles. This part is applicable to standards, technical documents and scientific and technological publications related to railway vehicles. GB/T 4549.2-2004 Vocabulary of railway vehicles Part 2: Running gear GB/T4549.2-2004 Standard download decompression password: www.bzxz.net

1CS 01. 040. 45;45.060.20
National Standard of the People's Republic of China
GB/T 4549.2-2004
Replaces GB/T4549.2-1984
Railway vehicle vocabulary
Part 2: Running gear
Railway vehicle vocabulary-Part 2: Running gearPromulgated on 2004-06-11
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of ChinaStandardization Administration of the People's Republic of China
Implementation on 2004-12-01
GB/T 4549. 2—2004
GB/T 4549 "Railway vehicle vocabulary" is divided into ten parts: Part 1: Basic vocabulary: Part 2: Part; Running gear;
Part 3; Braking device;
-Part 4, Coupler buffer and spot device:-Part 5 Car body,
Part 6: Doors, windows and their opening and closing devices:-Part 7: Heating, ventilation and air conditioning devices; Part 8: Water supply and drainage devices;
-Part 9: Electrical devices;
Part 10· Passenger car accessories·
…-Part 11: Special freight car accessories. This part is Part 2 of GB/T4549 "Railway Vehicle Vocabulary". This part replaces GB/T4549.2-1984 "Railway Vehicle Terminology Running Gear". The main changes of this part compared with GB/T4549.2-1984 are: radial slewing frame, active control slewing frame, slewing frame shear stiffness, wheel cross force, slewing frame rotation resistance torque and other adjustment items are added!
--In Appendix A, the contents of welding bogie, wheelset device, brake disc device, etc. are added;--Chinese index and English index are added. Appendix A of this part is a normative summary. In Appendix A, reference drawings of the following devices and English equivalents of relevant vocabulary are given: frame device;
wheelset axle box positioning device;
central suspension device
--basic brake device:
--oil pressure reducer device;
--axle drive generator device.
This part is proposed by the Ministry of Railways of the People's Republic of China. This part is under the jurisdiction of the Standardization and Metrology Research Institute of the Ministry of Railways. The units that have signed this part: Tangshan Locomotive and Rolling Stock Works, Standardization and Metrology Research Institute of the Ministry of Railways, Qiqihar Railway Rolling Stock (Group) Co., Ltd., Puzhen Rolling Stock Works, Meishan Rolling Stock Factory, Changjuan Passenger Car Factory. The main drafters of this part are Sun Bangjie, Liang Shulin, Yuan Shuqing, An Chao, Sun Tan, Qi Bing, Hu Huibin, Niu Xiaoni, Wang Hong, and Zhang Xiufen. This part was first issued in July 1984, and this revision is the first revision. 1 Scope
Vocabulary of railway vehicles
Part 2: Running gear
This part defines the terminology of running gear of railway vehicles. This part is applicable to standards, technical documents and scientific and technological publications related to railway vehicles. 2 Running gear
Running gear
The part that supports the vehicle body and is responsible for the running of the vehicle. 2.2
Bogie
A running gear that can rotate relative to the vehicle body. GB/T 4549.2—2004
Usually includes bolster, side frame or frame, wheel set axle box device, spring damping device, bogie basic brake device, etc. 2.3
two-axle bogiebZxz.net
Two-axle bogie
Bogie with two wheel sets.
Thiree-axle bogieA bogie with three wheel sets.
Multi-axle bogie
A bogie with more than three wheel sets.
Combination hogie
Combination bogie
A single bogie composed of two or more bogies. 2.7
Pedestal bogie
A bogie in which the axle box positioning is achieved by using the axle guide frame. 2.8
Non-pedestal bogie
Non-pedestal bogie
A bogie in which the axle box positioning is achieved without the axle guide frame. 2.9
Radial bogie
Various bogies that can make the wheel set axis tend to the radial position when running on a curve. 2.9.1
Self-steering radial bogies are radial bogies that utilize the slip force between the wheels and rails when the locomotive vehicle enters a curve, and through the bogie's own guiding mechanism (such as the lever system connecting the axle box and the axle box or the frame), the wheelset is "automatically" moved into the radial position of the curve. 2.9.2
Orced-radial bogies are radial bogies that utilize the relative rotational movement between the car body and the bogie frame when the locomotive vehicle enters a curve, and through a special guiding mechanism (such as the lever system connecting the axle box and the frame and the car body), the wheelset is deflected and forced into the radial position of the curve. 2,10
Active control bogie
Active control bogie
According to the line disturbance and the vibration signal of the locomotive vehicle, it adopts special suspension components and feedback control system and a power source that can continuously supply energy input to adjust the suspension parameters (including size and direction) of the locomotive vehicle in real time online to improve the dynamic performance of the locomotive vehicle.
Semi-active suspension (control) bogiesemi-active suspension (control) bogie responds to the line disturbance and the vibration signal of the locomotive vehicle, adopts special suspension components and feedback control system and other parts, and can adaptively adjust the suspension parameters without the need of external energy to reduce the vibration of the locomotive vehicle and improve the dynamic performance of the locomotive vehicle.
Swing-motiun bogie has two bogies that perform synchronous lateral swinging motion. 2.13
Truck with no swing bolster is a bogie without a swing bolster in the central suspension. 2.14
Bolsterless bogie is a bogie without a swing bolster in the central suspension. 2.15
Three-piece bogie is a bogie composed of a bolster and two side frames through bolster springs and other damping elements. 2.16
Frame-brace bogie is a bogie in which the side frames of the three-piece bogie are connected by two rods that are connected to each other in an intersecting manner, so that the two side frames are elastically cross-connected in the horizontal plane, so as to control the diamond deformation or shear deformation between the two side frames. 2.17
Frame type bogieFrame type bogieBogie with integral structure of rigidly connected frames. 2.18
Free height from rail top to center plate wearing surfaccVertical distance from lower center plate to rail surface when the bogie is in free-standing state without external load. 2.19
Bogie diagonalbogledlagonal
Line connecting the centers of two axle boxes at the upper diagonal position of bogie (except combined bogie). 2.20
Wheel base
Horizontal distance between the center lines of two adjacent axles in the same bogie (except combined bogie). 2.21
Fixed or rigid wheel basefixed or rigid wheel baseHorizontal distance between the center lines of the front and rear axles in the same bogie (except combined bogie). 2.22
full wheel base of bogie assembly
In the same combination bogie, the horizontal distance between the center lines of the front and rear axles. 2.23
bogie rigidity against distortion
GB/T4549.2--2004
In a bogie assembly (except a combination bogie),Torsional moment required to produce unit twisting deformation of one wheelset relative to the other wheelset in the vertical direction.
bogie rigidity against shearing bogie shear rigidity
Force required to produce unit lateral displacement of one wheelset relative to the other wheelset in the horizontal direction in two adjacent wheelsets of the same bogie (except for the combined bogie).
3 Frame
Frame bogie, frame, slructurt
In the bogie, it is a basic component used to connect the axle box and transmit the force. 3.2
Side frame
Located on both sides of the bogie. It is a basic component used to connect the bolster and the axle box (or load-bearing saddle) and transmit the force. 4 Wheelset axle box positioning device
Axle
The part that connects the two wheels in the wheelset and rotates along the rails with the wheels. 4.2
Wheelsel,wheel pair
A component consisting of two wheels and a wheel shaft. 4.3
Disc brake wheelsetDisc brake wheelsetWheelset with brake discs mounted on the axle. 4.4
Tyred wheel
A wheel consisting of a wheel rim, a wheel hub and a buckle. 4.5
Salid wheel
A wheel with a rim, a spoke and a hub as a whole. Generally divided into cast steel wheels and steel wheels. 4.6
Cast steel wheelcast steel wheel
A wheel formed by pouring molten steel into a sand mold by casting. GB/T 4549.2—2004
Wraught steel wheel; rolled steel wheelA wheel made by rolling and other processes. 4.8
journal box
A component for placing axle journals, bearings and their lubricating devices, transmitting loads and limiting excessive longitudinal and lateral movement of wheelsets. 4.9
adapter
A saddle-shaped component used to connect bearings and side frames, transmit loads and limit excessive longitudinal and lateral movement of wheelsets. 4.10
box guidance
A device used to maintain the relative position between the axle box and the frame. 4.11
spring and vibration absorbing deviceA device composed of a spring device and a vibration absorbing device in a bogie, mainly used to mitigate and reduce vibration and impact of the vehicle during operation, and to ensure and improve the running quality of the vehicle.
journal spring devicejournal spring deviceA spring device between the axle box and the bogie frame (or side frame). 4. 13
journal spring
spring in the spring of the axle box.
equalizerspring
(except for combined bogies)spring provided to ensure that two adjacent axles receive equal axle loads. 4.15
distance between backs of wheel rimsdistance between the inner sides of the left and right wheel rims or wheel rims in a wheelset. 4.16
distance between acting center of jouraal loaddistance between the acting center of the journals at both ends of the axle. 4. 17
tread
wearing surface of the wheel in contact with the top surface of the rail. 4.18
wornprotiletread
in order to reduce wheel-rail wear and extend the service life of the wheel, the shape of the wheel tread is similar to the stable shape after wear. 4.19
tread equivalent tapen ratio of the difference in rolling radius of the left and right wheels to twice the displacement when the wheelset with a cambered (wearing) tread is displaced laterally relative to the track centre.
tread taper
The inclination of the straight part of the tapered tread. 4.21
taping point
The point on the tread 70 mm from the inner side of the wheel (point A,10 A). 4.22
tread base line
tread base line
The position where the wheel diameter is measured.
wheel diameter
wheel diarneter
The rolling circle diameter of the annual ring (see dimension B in Figure A.10). 4. 24
lire thickness
tire thickness
thickness of the rim at the wheel diameter,
rim inside thickness
rim inside thickness
rim friction on the inside of the wheel in a complete wheel (see Figure A, 10 inches) 4.26
rim oulside thicknessncssthickness of the rim on the outside of the wheel in a complete wheel (see Figure A, 10 inches). 4.27
rimwidth
width between the inside and outside sides of the rim (see Figure A.10, dimension C). 4.28
flange height
the straight distance from the apex of the rim to the flange height measurement line (see Figure A.10, dimension D). 4.29
flange base line GB/T 4549. 2—2004
In Appendix Figure A.10, a horizontal straight line passing through point F (which is a point on the tread 70 mm from the inner side of the wheel). Note: The flange height of the IM type wheel of a passenger car is measured on the tread ? mm from the inner side of the wheel. 4.30
flange thickness
The distance from a point on the outer side of the rim at a certain height from the tread base line (the height is determined by the tread model) to the inner side of the wheel (see Figure A.1C, dimension E),
hub diameter
The diameter at the hub side (see Figure A, dimension G). 4.32
hub thickness
half the difference between the hub diameter and the hub bore diameter (see dimension H in Figure A.10). 4.33
axle boxplay
the clearance between the axle box play and the side frame (or frame) play, which can be divided into: longitudinal play of the axle box play and transverse play of the axle box play. GB/T4549.2--2004
load on axle journals
the vertical force applied to the axle in static state. 4.35
axle load
the maximum weight allowed to be borne by the axle.
Axle load axle laad
The total of axle load and wheelset deadweight,
Jornal temperature
The bearing temperature of the vehicle in operation.
Vertical wear of wheel flange
Vertical wear of wheel flange root.
Flat sliding:tread slid flat When the wheel slides on the rail, the flat wear on the tread is generated. 4.40
Laking on wheel tread; shelled trealThe phenomenon of block or sheet detachment or sheet warping of metal material on the wheel tread. 5Spring suspension device
Spring suspension device spring suspensiorA spring damping device that supports the weight on the spring in a suspension manner. 5.2
Bolster
Parts on the bogie that are connected to the frame through spring devices and directly bear the weight of the vehicle body. 5.3
Spring device
A device in the spring damping device that is mainly used to alleviate the vibration and impact of the vehicle during operation. 5.4
Bolster spring deviceBolster spring deviceA spring device between the bogie frame (or frame) and the bolster. 5.5
holster spring
bolster spring
bolster spring device:
air spring
air spring
a device that uses the compressibility of air to relieve vibration and impact. 5.7
rubber spring
a device composed of rubber and metal plate that has the performance of sound insulation, vibration and impact relief. 5.8
primary suspension refers to the axle box spring device or the equalizing spring device. Secondary suspension
refers to the bolster spring device or the central spring device. 5.10
single-series spring device In the single-series suspension bogie spring device, there is only the spring device of the primary or secondary spring device. 5. 11
Secondary spring device fwo-stagesuspension In the bogie spring device, a spring device with both the first and second series spring devices. 5.12
7 levelingvalve
Degree adjustment valve
A device that keeps the height of the air spring within a certain range. 5.13
Shock absorber; damper
In the spring damping device, a device mainly used to reduce the vibration and impact of the vehicle during operation. 5.14
Friction damper
smuh heart r
Device that uses the relative movement of the friction pair to generate friction resistance can usually be divided into: constant friction damper and variable friction damper. 5.14.1
Constant friction damper constantfriction damper typesnubbingdevice Friction damper with constant damping friction and its magnitude does not vary with the vehicle load. 5.14.2
Variable friction damper variablefriction damper nubbingdevice Friction damper with variable damping friction and its magnitude varies with the vehicle load. 5.15
Hydraulic damper hydraulic damper
Damper that uses oil to generate resistance through a throttle hole. 5.16
Throttle air spring GB/T 4549.2—2004
Damper that is installed between the air spring body and the additional air chamber, and the area of ​​the throttle hole varies with the pressure difference on both sides. 5. 17
Differential pressure valve
pressure halancing valve
Installed in the air spring suspension system of the bogie, it is used to ensure that the pressure difference between the air springs on both sides does not exceed the limit value stipulated in the driving safety regulations, and it plays a safety protection role. 5.18
Site bearing
When the vehicle is running, it is a component used to control the excessive tilt of the vehicle body. In the side bearing vehicle, it is a component that supports the vehicle body and transmits the load. 5.19
Sliding block sidebearingSliding block sidebearingThe side bearing composed of the lower side bearing body, rubber plate, etc., GB/T4549.2-2004
Pendnium side hearingThe lower bearing is composed of the side bearing box, bearing body and side bearing plate, etc. 5.21
Roller sidebearingThe side bearing is composed of rollers, springs, lower bearings, etc. 5.22
Hydraulic side bearingThe side bearing is composed of a hydraulic system.
Hydropnenmatic sidebearingThe side bearing is composed of a combination of air pressure and hydraulic system. 5.24
Elastic side-bear
Located on both sides of the center plate of the bogie, it keeps the car body and the bogie in constant contact. On the one hand, it bears part of the weight of the car body, and on the other hand, it provides the torque of rotation resistance between the car body and the bogie. This component is really elastic. 5.25
Actuator
actuatar
The tilting device of the tilting car body, installed on the bogie of the tilting car body, receives the control signal, and generates a driving device for the tilting force of the vehicle to achieve the tilting action of the car body.
Bogie bolster play ... 5.32
Spring deflecion reservation The difference between the deflection of a linear spring and its static deflection under the maximum calculated load. 5.33
Coefficient of spring deflection Teservatiun The ratio of the spring deflection margin to the static deflection of the spring. Relative friction coefficient of snubber The ratio of the total friction resistance of the friction damper in the bogie to the force on the spring. 5.35
Damping coefficient of hydraulic damperDamping coefficient of hydraulic damperThe ratio of the resistance of the hydraulic damper to the relative vibration of the two connected parts during vibration:5.36
Damping indexDamping index
The ratio of the damper's damping coefficient to the critical damping value of the spring damping device5.37
Bogie rotation resistance momentHogie friction moment against pivoting bogieThe rotation resistance moment given to the bogie by the car body when the bogie makes a unit rotation relative to the car body. 5.38
Critical damping valueCritical damping valueThe damping value that makes the mass on the spring just unable to produce vibration. 6Bogie basic braking device
Bogie basic braking deviceBogie brake rigging is installed on the same-bogie and is a component of the basic braking device that performs the braking function. 6.2
Tread brake
Frictional braking that uses a rubbing pad (usually a tread) to press against the wheel tread to generate braking force. 6.3
Disc brake
Frictional braking that uses a brake pad to press against a brake disc to generate braking force: 6.4
Single side brake
Tread braking on one side of the wheel. 6.5
Double side brake
Elasp hrako
There is a method of braking on both sides of the wheel. 6.6
Parking brake
GB/T 4549.2-2004
When the vehicle is parked, the air pressure in the air cylinder and the brake cylinder is lower than the set value, and the brake automatically enters the braking state, converting the deformation energy of the spring in the brake into the kinetic energy of the brake cylinder piston, so that the shoe (brake pad) is close to the wheel pedal (brake disc) to produce a braking effect: 6.7
Brake beam
A component of the rotating frame-based brake device that can make the left and right wheels on the axle get equal braking force. GB/T4549.2--2004
brake shoe
brake pad during braking, which is pressed against the wheel tread to produce braking effect. 6.9
brake pad
brake pad during braking, which is pressed against the brake disc to produce braking effect. 6.10
medium phosphor brake shoe medium phosphor hrake shoe made of medium phosphorus cast iron with phosphorus content of 0.70%~1.00%. 6.11
high phosphor brake shoe highphosphor brake shoe made of high phosphorus cast iron with phosphorus content exceeding 1.00%. 6.12
composite brake shoe composite brake shoe made of non-metallic materials and metal powder as fillers, with adhesive, and plasticized under high temperature and high pressure. 6. 13
Compositebrake lining
Brake lining is a brake lining made of non-metallic materials and metal powder as fillers, with adhesives, and then pressed and molded at high temperature. 6.14
Powder metallurgy brake shoe is a brake shoe made of powder metallurgy friction materials through forming, sintering and other process methods. It has high heat resistance and good friction performance. 6.15
Brake disc
Friction disc fixed on the wheel or axle for disc brake. 6.16
Unit brake cylinder
brakeunit
The brake cylinder and the brake clearance adjuster are combined into an independent brake unit structure, which can be divided into two parts from the functional point of view: brake cylinder and brake clearance adjuster.
High friction composite brake shoe is a shoe made of composite materials with a relatively high friction coefficient. 6.18
Low friction composite brake shoe is a shoe made of composite materials with a relatively low friction coefficient. 6.19
Tread cleaner
Mainly used to clean the wheel tread to improve the adhesion between the wheel and the rail.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.