CN108760357B - Reliability detection device for bearing shoes of variable-track-gauge bogie - Google Patents
Reliability detection device for bearing shoes of variable-track-gauge bogie Download PDFInfo
- Publication number
- CN108760357B CN108760357B CN201810814574.0A CN201810814574A CN108760357B CN 108760357 B CN108760357 B CN 108760357B CN 201810814574 A CN201810814574 A CN 201810814574A CN 108760357 B CN108760357 B CN 108760357B
- Authority
- CN
- China
- Prior art keywords
- bearing
- horizontal
- plate
- shoe
- vertical loading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 230000009471 action Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Handcart (AREA)
Abstract
The invention discloses a reliability detection device for a bearing shoe of a variable-track-distance bogie, which mainly comprises a vertical loading actuator, a U-shaped connecting block, a tested bearing shoe, a portal frame, a bearing roller mechanism, a horizontal driving mechanism and a base, wherein the tested bearing shoe moves vertically downwards under the action of the vertical loading actuator, the tested bearing shoe is loaded to a specified load after being contacted with a bearing roller, and casters of the bearing roller mechanism reciprocate in a guide groove of the base under the action of the horizontal driving mechanism so as to simulate the movement of the bearing shoe on a bearing rail when a track train changes track distance; the invention can be used for detecting the reliability and the service performance of the bearing shoes and can be used for carrying out the abrasion test of the friction interface between the bearing shoes and the bearing rollers.
Description
Technical Field
The invention belongs to the technical field of reliability detection, and relates to a reliability detection device for a load bearing shoe of a variable track gauge bogie.
Background
With the vigorous development of the economic bands of silk roads, business trade and cultural exchanges between China and countries along the lines are becoming more and more intimate, and transnational transregional cargo transportation is also rapidly developed, wherein railway transportation is becoming one of the most important land trade channels in the sub-European road increasingly, but the development of international intermodal transportation is brought with a plurality of restrictions by railways with different gauge specifications in different countries and regions.
Thus, rail-car gage bogies have evolved. When the track gauge is changed, the bogie is lifted, the wheels are suspended in the air in a load-reducing manner, the wheels move freely relative to the axle under the action of the inner guide rail and the outer guide rail, the track gauge is changed until the track gauge requirement is met, and then the bogie is dropped; the load shedding of wheel sets in the track changing process is realized by supporting bearing shoes arranged on axle boxes through fixed bearing rails, and the bearing shoes and vehicles slide and run together relative to the bearing rails at the moment, so that sliding friction and wear exist between the bearing shoes and the bearing rails, the reliability and the service performance of the bearing shoes are critical to the track changing technology, at present, the actual test on the reliability and the service performance of the bearing shoes cannot be realized before loading, and aiming at the problem, the reliability detection device for the bearing shoes of the track changing bogie is provided.
Disclosure of Invention
In order to test the reliability of the bearing shoes of the variable-track bogie during track change and realize a wear test of the friction interface between the bearing shoes and the bearing track, the invention provides a reliability detection device of the bearing shoes of the variable-track bogie.
The reliability detection device of the load shoe of the variable track bogie mainly comprises a vertical loading actuator 1, a U-shaped connecting block 2, a tested load shoe 3, a portal frame 4, a load roller mechanism 5, a horizontal driving mechanism 6 and a base 7; the vertical loading actuator 1 is mounted on the portal frame 4 through bolts; the tested bearing shoe 3 is connected with the vertical loading actuator 1 through a U-shaped connecting block 2; the bearing roller mechanism 5 is connected with the horizontal driving mechanism 6 through a flange, and the bearing roller mechanism 5 makes reciprocating linear motion in a guide groove of the base 7 under the action of the horizontal driving mechanism 6.
The vertical loading actuator 1 comprises a cylinder body 1-1, a supporting seat 1-2 and a piston rod 1-3; the upper end of the piston rod 1-3 extends into the cylinder body 1-1, a square flange plate 1-4 with threaded holes at the periphery is welded at the lower end head, and the square flange plate 1-4 is fixedly connected with the U-shaped connecting block 2 by using a connecting bolt; the two sides of the middle of the cylinder body 1-1 are welded with supporting seats 1-2, and the vertical loading actuator 1 is fixedly connected to the portal frame bearing plate 4-1 through bolts by the supporting seats 1-2, so that the vertical downward fixation of the actuator is ensured; the portal frame 4 comprises a bearing plate 4-1 and square steel brackets 4-2, wherein two rectangular steel pipes are used between the bearing plate 4-1 to improve the bearing capacity of the portal frame, and a square hole is formed in the middle of the bearing plate 4-1 and used for installing a vertical loading actuator 1; the whole portal frame 4 is formed by welding.
The tested bearing shoe 3 is connected with the vertical loading actuator 1 through the U-shaped connecting block 2; the U-shaped connecting block 2 comprises a connecting block main body 2-1 and a connecting plate 2-2, wherein the connecting block main body 2-1 is connected with the connecting plate 2-2 through bolts, and U-shaped grooves are formed in two sides of the connecting block main body 2-1 and used for installing bearing shoe shafts 8.
The bearing roller mechanism 5 comprises a bearing roller 5-1, lateral support channel steel 5-2, an end connecting plate 5-3, a horizontal plate 5-4 and casters 5-5, wherein a round hole is formed in the middle of the lateral support channel steel 5-2 and used for assembling the bearing roller 5-1; when the device works, the bearing roller mechanism 5 reciprocates, the surface of the tested bearing boot 3 contacts with the bearing roller 5-1, and a certain distance is reserved between the bearing roller 5-1 and the horizontal plate 5-4, so that the free rotation of the bearing roller 5-1 is ensured; the end connecting plate 5-3 is provided with a threaded hole and is connected with the flange 6-1 of the horizontal driving mechanism 6 through bolts; the caster wheel 5-5 comprises a wheel 5-6 and a connecting frame 5-7, wherein the wheel 5-6 makes reciprocating linear motion in a groove of the base 7, and the connecting frame 5-7 is connected with the horizontal plate 5-4 through bolts.
The horizontal driving mechanism 6 comprises a flange plate 6-1, a horizontal connecting rod 6-2, a crank 6-3, a bearing 6-4, a connecting rod bracket 6-5, a rolling bearing 6-6, a bearing seat bracket 6-7, a speed reducer 6-8 and a motor 6-9; the crank 6-3 comprises a horizontal shaft 6-10, a rotating arm 6-11 and a short shaft 6-12; the output shaft of the motor 6-9 is connected with the input shaft of the speed reducer 6-8 and the output shaft of the speed reducer 6-8 is connected with the horizontal shaft 6-10 of the crank 6-3 by adopting a coupling, the middle of the horizontal shaft 6-10 is supported by using a bearing 6-4, two ends of the rotating arm 6-11 are provided with holes, the two ends of the rotating arm 6-11 are respectively connected with the horizontal shaft 6-10 and the short shaft 6-12 by press fit, and the end part of the short shaft 6-12 is in interference fit with a rolling bearing 6-6 with a dust cover; the rolling bearing 6-6 is arranged in a groove in the frame of the horizontal connecting rod 6-2, and the horizontal connecting rod 6-2 performs reciprocating linear motion through the connecting rod bracket 6-5 under the action of the crank 6-3; the end of the horizontal connecting rod 6-2 is threaded and matched with the flange plate 6-1.
When the reliability detection device of the bearing shoe of the track-variable bogie is integrally assembled, the bearing shoe to be tested is ensured to be positioned in the middle of the bearing roller mechanism so as to prevent the bearing shoe to be tested from interfering with the lateral supporting channel steel when falling; the horizontal link should be mounted on the same horizontal line as the bearing roller mechanism to reduce friction of the horizontal link within the link bracket.
The beneficial effects of the invention are as follows:
The reliability detection device for the bearing shoes of the variable-track bogie can detect the reliability and the service performance of the bearing shoes, and can perform fatigue wear tests on friction interfaces of the bearing shoes and the bearing rails, so that the structure or the materials of the bearing shoes are improved to prevent the bearing shoes from being damaged when a rail train changes tracks.
Drawings
FIG. 1 is an isometric view of a reliability detection device for a load shoe of a variable gauge bogie in accordance with the present invention;
FIG. 2 is an isometric view of a vertical loading actuator according to the present invention;
FIG. 3 is an isometric view of a carrier shoe and U-shaped connection block assembly of the present invention;
FIG. 4 is an isometric view of a load bearing boot axle according to the present invention;
FIG. 5 is an isometric view of a U-shaped connection block according to the present invention;
FIG. 6 is an isometric view of a gantry in accordance with the present invention;
FIG. 7 is an isometric view of a load bearing roller mechanism according to the present invention;
FIG. 8 is an isometric view of a caster of the present invention;
FIG. 9 is an isometric view of a horizontal drive mechanism according to the present invention;
FIG. 10 is an isometric view of a horizontal linkage according to the present invention;
FIG. 11 is an isometric view of a bell crank according to the present invention;
FIG. 12 is a right side view of a reliability detection device for a load shoe of a variable gauge bogie in accordance with the present invention;
FIG. 13 is a front view of a reliability detection device for a load shoe of a variable gauge bogie in accordance with the present invention;
In the figure: 1. vertical loading actuators, 1-1, cylinders, 1-2, support brackets, 1-3, piston rods, 1-4, square flanges, 2-U-shaped connection blocks, 2-1, connection block body, 2-2, connection plate, 3, load shoes, 4, portal frame, 4-1, load plate, 4-2, square steel bracket, 5, load roller mechanism, 5-1, load roller, 5-2, lateral support channel, 5-3, end connection plate, 5-4, horizontal plate, 5-5, caster mechanism, 5-6, wheels, 5-7, connection frame, 6-1, flange, 6-2, horizontal link, 6-3, crank, 6-4, bearing housing, 6-5, connection rod bracket, 6-6, rolling bearing, 6-7, bearing housing bracket, 6-8, speed reducer, 6-9, motor, 6-10, horizontal shaft, 6-11, rotating arm, 6-12, short shaft, 7, base, 8, load shoe shaft.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention relates to a reliability detection device for a bearing shoe of a variable-track-gauge bogie, which is shown in figure 1, and mainly comprises a vertical loading actuator 1, a U-shaped connecting block 2, a tested bearing shoe 3, a portal frame 4, a bearing roller mechanism 5, a horizontal driving mechanism 6 and a base 7; the vertical loading actuator 1 is mounted on the portal frame 4 through bolts; the tested bearing shoe 3 is connected with the vertical loading actuator 1 through a U-shaped connecting block 2; the bearing roller mechanism 5 is connected with the horizontal driving mechanism 6 through a flange, and the bearing roller mechanism 5 makes reciprocating linear motion in a guide groove of the base 7 under the action of the horizontal driving mechanism 6.
As shown in fig. 2, the vertical loading actuator 1 comprises a cylinder body 1-1, a supporting seat 1-2 and a piston rod 1-3; the upper end of the piston rod 1-3 extends into the cylinder body 1-1, a square flange plate 1-4 with threaded holes at the periphery is welded at the lower end head, and the square flange plate 1-4 is fixedly connected with the U-shaped connecting block 2 by using a connecting bolt; the two sides of the middle of the cylinder body 1-1 are welded with supporting seats 1-2, and the vertical loading actuator 1 is fixedly connected to the portal frame bearing plate 4-1 through bolts by the supporting seats 1-2, so that the vertical downward fixation of the actuator is ensured; as shown in fig. 6, the portal frame 4 includes a carrying plate 4-1 and a square steel bracket 4-2, wherein two rectangular steel pipes are used between the carrying plate 4-1 to improve the carrying capacity of the portal frame, and a square hole is formed in the middle of the carrying plate 4-1 for installing the vertical loading actuator 1; the whole portal frame 4 is formed by welding.
As shown in fig. 3, the tested bearing shoe 3 is connected with the vertical loading actuator 1 through a U-shaped connecting block 2; referring to fig. 5, the U-shaped connection block 2 includes a connection block main body 2-1 and a connection plate 2-2, the connection block main body 2-1 is connected with the connection plate 2-2 by bolts, and both sides of the connection block main body 2-1 are provided with U-shaped grooves for mounting the bearing boot shaft 8.
As shown in fig. 7, the bearing roller mechanism 5 comprises a bearing roller 5-1, a lateral support channel steel 5-2, an end connecting plate 5-3, a horizontal plate 5-4 and a caster 5-5, wherein a round hole is formed in the middle of the lateral support channel steel 5-2 for assembling the bearing roller 5-1; when the device works, the bearing roller mechanism 5 reciprocates, the surface of the tested bearing boot 3 contacts with the bearing roller 5-1, and a certain distance is reserved between the bearing roller 5-1 and the horizontal plate 5-4, so that the free rotation of the bearing roller 5-1 is ensured; the end connecting plate 5-3 is provided with a threaded hole and is connected with the flange 6-1 of the horizontal driving mechanism 6 through bolts; the caster wheel 5-5 comprises a wheel 5-6 and a connecting frame 5-7, wherein the wheel 5-6 makes reciprocating linear motion in a groove of the base 7, and the connecting frame 5-7 is connected with the horizontal plate 5-4 through bolts.
As shown in fig. 9, the horizontal driving mechanism 6 comprises a flange plate 6-1, a horizontal connecting rod 6-2, a crank 6-3, a bearing 6-4, a connecting rod bracket 6-5, a rolling bearing 6-6, a bearing seat bracket 6-7, a speed reducer 6-8 and a motor 6-9; as shown in FIG. 11, the bell crank 6-3 includes a horizontal shaft 6-10, a rotating arm 6-11 and a short shaft 6-12; the output shaft of the motor 6-9 is connected with the input shaft of the speed reducer 6-8 and the output shaft of the speed reducer 6-8 is connected with the horizontal shaft 6-10 of the crank 6-3 by adopting a coupling, the middle of the horizontal shaft 6-10 is supported by using a bearing 6-4, two ends of the rotating arm 6-11 are provided with holes, the two ends of the rotating arm 6-11 are respectively connected with the horizontal shaft 6-10 and the short shaft 6-12 by press fit, and the end part of the short shaft 6-12 is in interference fit with a rolling bearing 6-6 with a dust cover; the rolling bearing 6-6 is arranged in a groove in the frame of the horizontal connecting rod 6-2, and the horizontal connecting rod 6-2 performs reciprocating linear motion through the connecting rod bracket 6-5 under the action of the crank 6-3; the end of the horizontal connecting rod 6-2 is threaded and matched with the flange plate 6-1.
When the reliability detection device of the bearing shoe of the track-variable bogie is integrally assembled, the bearing shoe to be tested is ensured to be positioned in the middle of the bearing roller mechanism so as to prevent the bearing shoe to be tested from interfering with the lateral supporting channel steel when falling; the horizontal link should be mounted on the same horizontal line as the bearing roller mechanism to reduce friction of the horizontal link within the link bracket.
The reliability detection device of the bearing shoe of the variable track bogie can be used for detecting the reliability and the service performance of the bearing shoe, and also can carry out the abrasion test of the friction interface of the bearing shoe and the bearing roller, and the method mainly comprises the following steps:
step one: the vertical loading actuator drives the tested bearing shoe to move downwards until the tested bearing shoe contacts with the bearing roller;
Step two: the vertical loading actuator continues to move downwards and is loaded to a certain specified load;
Step three: the motor rotates with the rotating arm through the speed reducer, the rotating arm drives the horizontal connecting rod to do reciprocating linear motion, and the horizontal connecting rod carries the bearing roller mechanism to do reciprocating linear motion in the track direction, so that the effect of simulating the relative motion of the bearing shoe and the bearing rail when the track-changing bogie changes track is achieved.
Claims (1)
1. The reliability detection device for the variable-track bogie carrying shoe is characterized by comprising a vertical loading actuator (1), a U-shaped connecting block (2), a tested carrying shoe (3), a portal frame (4), a carrying roller mechanism (5), a horizontal driving mechanism (6) and a base (7); the vertical loading actuator (1) is arranged on the portal frame (4) through bolts; the tested bearing shoe (3) is connected with the vertical loading actuator (1) through the U-shaped connecting block (2); the bearing roller mechanism (5) is connected with the horizontal driving mechanism (6) through a flange, and the bearing roller mechanism (5) makes reciprocating linear motion in a guide groove of the base (7) under the action of the horizontal driving mechanism (6);
The vertical loading actuator (1) comprises a cylinder body (1-1), a supporting seat (1-2) and a piston rod (1-3); the upper end of the piston rod (1-3) extends into the cylinder body (1-1), a square flange plate (1-4) with threaded holes at the periphery is welded at the lower end head, and the square flange plate (1-4) is fixedly connected with the U-shaped connecting block (2) by using a connecting bolt; the two sides of the middle of the cylinder body (1-1) are welded with supporting seats (1-2), and the vertical loading actuator (1) is fixedly connected to the portal frame bearing plate (4-1) through the supporting seats (1-2) by bolts, so that the vertical downward fixation of the actuator is ensured; the portal frame (4) comprises a bearing plate (4-1) and a square steel bracket (4-2), wherein the bearing capacity of the bearing plate (4-1) is improved by two rectangular steel pipes, and a square hole is formed in the middle of the bearing plate (4-1) and used for installing a vertical loading actuator (1); the whole body of the portal frame (4) is formed by welding;
The tested bearing shoe (3) is connected with the vertical loading actuator (1) through the U-shaped connecting block (2); the U-shaped connecting block (2) comprises a connecting block main body (2-1) and a connecting plate (2-2), wherein the connecting block main body (2-1) is connected with the connecting plate (2-2) through bolts, and U-shaped grooves are formed in two sides of the connecting block main body (2-1) and used for installing bearing shoe shafts (8);
The bearing roller mechanism (5) comprises a bearing roller (5-1), lateral support channel steel (5-2), an end connecting plate (5-3), a horizontal plate (5-4) and casters (5-5), wherein a round hole is formed in the middle of the lateral support channel steel (5-2) and is used for assembling the bearing roller (5-1); when the device works, the bearing roller mechanism (5) reciprocates, the surface of the bearing boot (3) to be tested is contacted with the bearing roller (5-1), and a certain distance is reserved between the bearing roller (5-1) and the horizontal plate (5-4), so that the bearing roller (5-1) can rotate freely; the end connecting plate (5-3) is provided with a threaded hole and is connected with the flange plate (6-1) of the horizontal driving mechanism (6) through a bolt; the caster wheel (5-5) comprises a wheel (5-6) and a connecting frame (5-7), the wheel (5-6) makes reciprocating linear motion in a groove of the base (7), and the connecting frame (5-7) is connected with the horizontal plate (5-4) through a bolt;
The horizontal driving mechanism (6) comprises a flange plate (6-1), a horizontal connecting rod (6-2), a crank (6-3), a bearing (6-4), a connecting rod bracket (6-5), a rolling bearing (6-6), a bearing seat bracket (6-7), a speed reducer (6-8) and a motor (6-9); the crank (6-3) comprises a horizontal shaft (6-10), a rotating arm (6-11) and a short shaft (6-12); the output shaft of the motor (6-9) is connected with the input shaft of the speed reducer (6-8) and the output shaft of the speed reducer (6-8) is connected with the horizontal shaft (6-10) of the crank (6-3) by adopting a coupling, the middle of the horizontal shaft (6-10) is supported by using a bearing (6-4), two ends of the rotating arm (6-11) are provided with holes, the horizontal shaft (6-10) and the short shaft (6-12) are respectively connected by press fit, and the end part of the short shaft (6-12) is in interference fit with a rolling bearing (6-6) with a dust cover; the rolling bearing (6-6) is arranged in a groove in the frame of the horizontal connecting rod (6-2), and the horizontal connecting rod (6-2) performs reciprocating linear motion under the action of the crank (6-3) through the connecting rod bracket (6-5); the end part of the horizontal connecting rod (6-2) is provided with threads in a turning way and is matched with the flange plate (6-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814574.0A CN108760357B (en) | 2018-07-23 | 2018-07-23 | Reliability detection device for bearing shoes of variable-track-gauge bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814574.0A CN108760357B (en) | 2018-07-23 | 2018-07-23 | Reliability detection device for bearing shoes of variable-track-gauge bogie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108760357A CN108760357A (en) | 2018-11-06 |
| CN108760357B true CN108760357B (en) | 2024-06-21 |
Family
ID=63971195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810814574.0A Active CN108760357B (en) | 2018-07-23 | 2018-07-23 | Reliability detection device for bearing shoes of variable-track-gauge bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108760357B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504670B (en) * | 2020-04-28 | 2021-10-29 | 中车青岛四方车辆研究所有限公司 | Comprehensive performance test bed for variable-gauge wheel set |
| CN114894413B (en) * | 2022-03-29 | 2025-04-08 | 方盛车桥（柳州）有限公司 | A method and device for testing air chamber bracket of mining vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1138569A2 (en) * | 2000-03-28 | 2001-10-04 | Railway Technical Research Institute | Variable-wheel-gage bogie for rolling stock |
| CN107560959A (en) * | 2017-10-10 | 2018-01-09 | 安徽理工大学 | A kind of reciprocating friction abrasion tester of super-magnetostrictive drive loading |
| CN208537192U (en) * | 2018-07-23 | 2019-02-22 | 吉林大学 | A reliability testing device for the bearing shoe of a variable gauge bogie |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3893187B2 (en) * | 1997-04-22 | 2007-03-14 | 財団法人鉄道総合技術研究所 | Rail vehicle variable gauge truck |
| DE102007051126A1 (en) * | 2007-10-24 | 2009-04-30 | Bombardier Transportation Gmbh | Determination of the remaining service life of a vehicle component |
| CN202928816U (en) * | 2012-10-31 | 2013-05-08 | 北京新联铁科技股份有限公司 | Rail vehicle bogie dynamic load test bench |
| CN204479310U (en) * | 2015-04-03 | 2015-07-15 | 西华大学 | For the testing table of railway track and wheel hub relation test |
| CN105628535B (en) * | 2016-03-08 | 2017-12-12 | 同济大学 | The variable internal combustion engine cylinder jacket piston-ring friction performance aircraft of reciprocating stroke |
| CN107757652A (en) * | 2017-11-23 | 2018-03-06 | 中车长春轨道客车股份有限公司 | The EMU carrying wheel set axle box device of quasi- broad gage conversion |
-
2018
- 2018-07-23 CN CN201810814574.0A patent/CN108760357B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1138569A2 (en) * | 2000-03-28 | 2001-10-04 | Railway Technical Research Institute | Variable-wheel-gage bogie for rolling stock |
| CN107560959A (en) * | 2017-10-10 | 2018-01-09 | 安徽理工大学 | A kind of reciprocating friction abrasion tester of super-magnetostrictive drive loading |
| CN208537192U (en) * | 2018-07-23 | 2019-02-22 | 吉林大学 | A reliability testing device for the bearing shoe of a variable gauge bogie |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108760357A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105784367B (en) | Rail car axle box bearings synthesis performance and axle head grounding device wear test platform | |
| CN111103155B (en) | Rail locomotive wheel rail bearing integration test device | |
| CA2759431C (en) | Test method for bogies as well as a test stand and assembly stand | |
| CN106124208B (en) | It is a kind of to take turns to loading engaging experimental bench | |
| CN105628410B (en) | High-speed Wheel/Rail relationship reliability testing stand | |
| CN102175470B (en) | System for testing vibration attenuation of suspension of rail vehicle | |
| CN108760356B (en) | Test device for testing reliability of bearing shoe of variable-track-gauge bogie | |
| CN107917817B (en) | Wheel rail rolling behavior simulation test bed | |
| CN108760357B (en) | Reliability detection device for bearing shoes of variable-track-gauge bogie | |
| CN109855947B (en) | Double-drive wheel-rail real object rolling contact fatigue testing machine | |
| CN110274779A (en) | A kind of Dynamical Analyses of New Gauge-Changeable bogie becomes rail function and reliability test bench | |
| CN106840718A (en) | High-speed track Three Degree Of Freedom wheel rail relation testing stand | |
| WO2024088286A1 (en) | Excitation test bench and excitation test device | |
| CN101929854A (en) | 3-freedom-degree wheel clearance detection platform | |
| CN110823608A (en) | Fatigue test system and method for railway freight car cross rod assembly | |
| CN208537192U (en) | A reliability testing device for the bearing shoe of a variable gauge bogie | |
| CN206095620U (en) | Wheel pair loading running -in test platform | |
| CN205642836U (en) | Rail vehicle axle box bearing comprehensive properties and axle head earthing device wear test platform | |
| KR100523567B1 (en) | Horizontal Load Tester for Air Spring | |
| CN205562183U (en) | High -speed wheel rail interaction reliability test platform | |
| GB2377258A (en) | Rail bearing monitoring & testing apparatus | |
| CN218646898U (en) | Split type runner flaw detection system of rail transit vehicle | |
| CN109305189A (en) | A parking roof automatic detection device | |
| CN200955993Y (en) | Simulation test bench for retarder performance testing | |
| CN110966968B (en) | A device and method for online dynamic detection of wheel radial runout |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |