CN109946073A - The load of high speed motor car bearing stable state and shaft end ground connection energization performance and life test rack - Google Patents
The load of high speed motor car bearing stable state and shaft end ground connection energization performance and life test rack Download PDFInfo
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- CN109946073A CN109946073A CN201910177922.2A CN201910177922A CN109946073A CN 109946073 A CN109946073 A CN 109946073A CN 201910177922 A CN201910177922 A CN 201910177922A CN 109946073 A CN109946073 A CN 109946073A
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- 238000012360 testing method Methods 0.000 title claims abstract description 117
- 230000001360 synchronised effect Effects 0.000 claims abstract description 48
- 238000002474 experimental method Methods 0.000 claims abstract description 34
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 66
- 239000000523 sample Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract 1
- 101100438971 Caenorhabditis elegans mat-1 gene Proteins 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000271559 Dromaiidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The present invention relates to a kind of loads of high speed motor car bearing stable state and shaft end ground connection energization performance and life test rack, belong to rail vehicle experimental technique field.The testing stand includes: between testing bench control, testing stand signal wire stairstepping gantry and mechanical device, testing stand route stairstepping gantry are used for the circuit connection between observing and controlling between mechanical device；Mechanical device includes: cooling fan, heat dissipation pod, the load Biaxial synchronous chamber of bearing stable state and testing stand electric wire U-shaped gantry；Cooling fan is bolted on the top of heat dissipation pod；Heat dissipation pod is bolted on the testing stand pedestal of bearing stable state load Biaxial synchronous chamber；Testing stand current line U-shaped gantry is bolted on the testing stand pedestal surrounding of bearing stable state load Biaxial synchronous chamber.The present invention solves the problems, such as that existing train shaft end grounding device wear test, the present invention have structure simple, in operation speed change, deflecting, electrodeless variable-speed and safeguard protection effect.
Description
Technical field
The invention belongs to rail vehicle experimental technique fields, and in particular to a kind of rail vehicle axle head grounding device reliability
Testing stand, in particular to high speed motor car bearing stable state load with shaft end ground connection energization performance and service life testing stand.
Background technique
With the fast development of China's economy, " high speed epoch " have also been stepped into high-speed rail construction in China's, and China is newest at present
Scooter 380km/h when EMU highest is runed, and speed of the motor-car in test has been more than 600km/h.The vehicle of high speed motor car
It is fast constantly to be promoted, it is also higher and higher to the performance requirement of each component part of high-speed EMUs.Axle box bearing and shaft end ground connection dress
Setting is important component in EMU driving process, and the promotion of speed increases axle shaft end frictional disk and earthing or grounding means electricity
Friction between brush shell carbon brush, this produces extremely serious threat to the operational safety of rail vehicle.Therefore, bearing and shaft end
The service performance and life tests of earthing or grounding means have particularly important meaning for the safe operation of high speed motor car.
Summary of the invention
Problem solved by the invention is to overcome axle head grounding device in train actual motion of the existing technology to grind
Damage, which provides, tests infeasible problem, provides a kind of high speed motor car bearing stable state load and shaft end ground connection energization performance and service life
Testing stand.
Refering to fig. 1 to Figure 12, in order to solve the above technical problems, the present invention is realised by adopting the following technical scheme.
A kind of load of high speed motor car bearing stable state and shaft end ground connection energization performance and life test rack, comprising: testing stand is surveyed
Between control, testing stand signal wire stairstepping gantry and mechanical device, the testing stand route stairstepping gantry is used between observing and controlling and machine
Circuit connection between tool device；The mechanical device, comprising: cooling fan, heat dissipation pod, bearing stable state load twin shaft are same
Walk chamber and testing stand electric wire U-shaped gantry；The cooling fan is bolted on the top of heat dissipation pod；It is described to dissipate
Thermally induced flow cover is bolted on the testing stand pedestal of bearing stable state load Biaxial synchronous chamber；The testing stand electric current
Line U-shaped gantry is bolted on the testing stand pedestal surrounding of bearing stable state load Biaxial synchronous chamber；The bearing is steady
State loads Biaxial synchronous chamber, comprising: two spoke load cells and force lead screw seat assembly, circular arc synchronous belt, test
Platform pedestal, horizontal driving motor and motor synchronous pulley, to rolling driving shaft chamber, speed probe support frame and to roll it is passive
Shaft experiment case.
Preferably, the testing stand pedestal, comprising: ten gantry bearings, motor bearing seat welded plate, two pieces of stable state loads
Active bearings seat fixing seat, two pieces of stable state load passive bearing seat guide rail fixed plates and test bed framework；The gantry bearing is logical
It crosses bolt to be fixed in test bed framework, for fixing testing stand electric wire U-shaped gantry；The motor supporting base welded plate is welded on
In test bed framework, for fixing horizontal driving motor；Two pieces of stable state load active bearings seat fixing seats are fixed on test
On table frame, for fixed to rolling driving shaft chamber；Two pieces of stable state load passive bearing seat guide rail fixed plates are fixed on
In test bed framework.
Preferably, the spoke load cell and force lead screw seat assembly, it is passive to be bolted on stable state load
In bearing block guide rail fixed plate and driven shaft bearing seat；The horizontal driving motor and motor synchronous pulley are bolted on
On motor bearing seat welded plate；Described pair of rolling driving shaft chamber is bolted on stable state load active bearings seat fixing seat
On；Described pair of rolling driven axle chamber is connected on testing stand pedestal by roller slide block guide rail；The described pair of passive shaft experiment of rolling
Two driven axle diameter way rollers of case and two driving shaft diameter way rollers in rolling driving shaft chamber are surveyed by two spokes
Force snesor and force lead screw seat assembly are mutually held out against；The speed probe support frame is bolted on testing stand pedestal
On, and be located to rolling driving shaft chamber and between rolling driven axle chamber；The horizontal driving motor and motor synchronous belt
Motor synchronous pulley on wheel with to the driving shaft synchronous pulley in rolling driving shaft chamber by the synchronous band connection of circular arc, thus
The torque that horizontal driving motor exports is transmitted on the active experiment axis to rolling driving shaft chamber, active experiment axis is turned
It is dynamic, being rotated by dynamic test axis to rolling driven axle chamber is driven, the rotation of axle is simulated.
Preferably, the spoke load cell and force lead screw seat assembly, comprising: force lead screw handwheel, force lead screw
Tie down screw and handle, spoke type load cell hold out against top dome stud, spoke type load cell, spoke type load cell
It holds out against lead screw and spoke type load cell holds out against lead screw base；It is solid by bolt that the spoke type load cell holds out against lead screw base
It is scheduled in the stable state load passive bearing seat guide rail fixed plate of testing stand pedestal, the spoke type load cell is solid by bolt
It is scheduled on the driven shaft bearing seat to rolling driven axle chamber, the spoke type load cell holds out against lead screw and spoke type dynamometry
Sensor holds out against top dome stud and holds out against, and then makes to the driving shaft diameter way roller of rolling driving shaft chamber and to the passive shaft experiment of rolling
The driven axle diameter way roller of case is mutually clamped to realize frictional drive.
Preferably, described pair of rolling driving shaft chamber, comprising: driving shaft tachometric survey ring, active experiment axis, driving shaft are same
Walk belt wheel, driving shaft diameter way roller, drive shaft bearing seat and axle head grounding device；Two driving shaft diameter way rollers are fixed on actively
It tests on axis；The driving shaft tachometric survey ring and active experiment axis and interference fit；The driving shaft synchronous pulley passes through swollen
Set is fixed on active experiment axis；The active experiment axis is fixed on testing stand by measured bearing and drive shaft bearing seat bolt
In the stable state load active bearings seat fixing seat of pedestal；By on the inside of bearing between the drive shaft bearing seat and active experiment axis
Labyrinth oil sealing sealing, the axle head grounding device are bolted on the spindle nose at active experiment axis both ends.
Preferably, described pair of rolling driven axle chamber is loaded by the stable state that roller slide block guide rail is fixed on testing stand pedestal
In passive bearing seat guide rail fixed plate, described pair of rolling driven axle chamber is identical as described pair of rolling driving shaft test box structure.
The beneficial effects of the present invention are:
High speed motor car bearing stable state load of the present invention, which is used with shaft end ground connection energization performance with life test rack, to rub
Wipe transmission, structure is simple, easy maintenance, and noise is small when transmission, and can in operation speed change, deflecting, it can be achieved that electrodeless change
Speed, and two-wheeled contact position can generate skidding when overload, thus the damage of weak part can be prevented, play safeguard protection.
Detailed description of the invention
Fig. 1 is the load of high speed motor car bearing stable state and shaft end ground connection energization service performance and life test rack general assembly body
Axonometric drawing；
Fig. 2 is that the load of high speed motor car bearing stable state is filled with shaft end ground connection energization service performance and life test rack mechanical device
The axonometric drawing of ligand；
Fig. 3 is the axonometric drawing of bearing stable state load Biaxial synchronous chamber；
The axonometric drawing of Fig. 4 testing stand pedestal；
Fig. 5 is the schematic diagram of spoke load cell and the lead screw base general assembly body that exerts a force；
Fig. 6 is the schematic diagram of horizontal driving motor and motor synchronous pulley assembly；
Fig. 7 is the axonometric drawing to rolling driving shaft chamber；
Fig. 8 is the cross-sectional view to rolling driving shaft chamber；
Fig. 9 is the axonometric drawing of active experiment axis；
Figure 10 is the axonometric drawing to rolling driven axle chamber；
Figure 11 is the axonometric drawing of roller slide block guide rail；
Figure 12 is the axonometric drawing of speed probe support frame.
In figure: between 1. testing bench controls, 2. testing stand signal wire stairstepping gantries, 3. mechanical devices, 4. cooling fans, 5.
Radiate pod, and 6. bearing stable states load Biaxial synchronous chamber, 7. testing stand electric wire U-shaped gantries, 8. spoke load cells
And force lead screw seat assembly, 9. circular arc synchronous belts, 10. testing stand pedestals, 11. horizontal driving motors and motor synchronous pulley, 12.
To rolling driving shaft chamber, 13. speed probe support frames, 14. pairs of rolling driven axle chambers, the bearing of 15. gantries, 16. motors
Fulcrum bearing welded plate, 17. two pieces of stable states load active bearings seat fixing seat, and 18. two pieces of stable state load passive bearing seat guide rails are solid
Fixed board, 19. test bed frameworks, 20. force lead screw handwheels, 21. force lead screw tie down screws and handle, 22. spoke type dynamometry pass
Sensor holds out against top dome stud, 23. spoke type load cells, and 24. spoke type load cells hold out against lead screw, and 25. spoke types are surveyed
Force snesor holds out against lead screw base, and 26. motor synchronous pulleys, 27. horizontal machines, 28. driving shaft tachometric survey rings, 29. actively try
Test axis, 30. driving shaft synchronous pulleys, 31. driving shaft diameter way rollers, 32. drive shaft bearing seats, 33. axle head grounding devices, 34.
Measured bearing, 35. bearings inside labyrinth oil sealing, 36. expansion sets, 37. driven shaft bearing seats, 38. driven axle diameter way rollers, 39. quilts
Dynamic test axis, 40. driven axle tachometric survey rings, 41. roller slide block guide rails.
Specific embodiment
The present invention is described in further detail for illustrated embodiment with reference to the accompanying drawing.The embodiment is used for the purpose of
Understand the content of present invention, the range of the claims in the present invention protection can not be limited.
The present invention relates to the axle head grounding device testing stand of changing load under the conditions of high-frequency excitation, main body includes that abstract is attached
Between testing bench control in figure, testing stand signal wire stairstepping gantry, mechanical device.Testing stand signal wire stairstepping gantry is used for
The arrangement of route between testing stand and operation room.The main part of this testing stand is the mechanical device in Detailed description of the invention.It is right below
In conjunction with attached drawing is to particular content of the invention and its specific embodiment party makees and a step explanation.
Refering to fig. 1, the load of high speed motor car bearing stable state and shaft end ground connection energization performance and life test rack include ground connection
1 between testing bench control, testing stand signal wire stairstepping gantry 2, mechanical device 3.Wherein mechanical device 3 is as entire testing stand
Main part, for the emphasis of this patent protection, between testing bench control 1 and testing stand signal wire stairstepping gantry 2 can be according to place
Actual conditions are laid out setting.
Referring to Fig.2, mechanical device 2 by cooling fan 4, heat dissipation pod 5, bearing stable state load Biaxial synchronous chamber 6,
Testing stand electric wire U-shaped gantry 7.Cooling fan 4 is bolted on the top of heat dissipation pod 5, and heat dissipation pod 5 passes through spiral shell
Bolt is fixed on the testing stand pedestal 10 of bearing stable state load Biaxial synchronous chamber 6.Testing stand current line U-shaped gantry 7 passes through
Bolt is fixed on 10 surrounding of testing stand pedestal of bearing stable state load Biaxial synchronous chamber 6.
Refering to Fig. 3, it includes two spoke load cells and force lead screw base that bearing stable state, which loads Biaxial synchronous chamber 6,
Assembly 8, circular arc synchronous belt 9, testing stand pedestal 10, horizontal driving motor and motor synchronous pulley 11, to rolling driving shaft chamber
12, speed probe support frame 13, to rolling driven axle chamber 14, spoke load cell and exert a force lead screw seat assembly 8 wheel
Spoke load cell holds out against the stable state load passive bearing seat guide rail that lead screw base 25 is bolted on testing stand pedestal 10
In fixed plate 18, and the spoke type load cell 23 of spoke load cell and the lead screw seat assembly 8 that exerts a force is bolted
In the driven shaft bearing seat 37 to rolling driven axle chamber 14, horizontal driving motor 11 is bolted on testing stand pedestal
On 10 motor bearing seat welded plate 16, two pieces of testing stand pedestal 10 are bolted on to rolling driving shaft chamber 12
Stable state loads in active bearings seat fixing seat 17, is connected to testing stand by roller slide block guide rail 41 to rolling driven axle chamber 14
On pedestal 10, two driven axle diameter way rollers 38 to rolling driven axle chamber 14 and the active to rolling in driving shaft chamber 12
Diameter of axle way roller 31 is mutually held out against by two spoke load cells and force lead screw seat assembly 8, speed probe support frame
13 be bolted on testing stand pedestal 10 and in rolling driving shaft chamber 12 with to rolling driven axle chamber 14 it
Between, driving shaft synchronous pulley 30 is fixed on the active experiment axis 29 to rolling driving shaft chamber 12 by expansion set, and driving shaft is same
Belt wheel 30 and motor synchronous pulley 26 are walked by the synchronous band connection of circular arc, thus the torque transmitting that horizontal driving motor 11 is exported
Onto the active experiment axis 29 to rolling driving shaft chamber 12, rotate active experiment axis 29, to drive to rolling driven axle examination
Being rotated by dynamic test axis 39 for tryoff 14, simulates the rotation of axle.
Refering to Fig. 4, testing stand pedestal 10 includes that ten 16, two pieces of gantry bearings 15, motor bearing seat welded plate stable states add
Carry active bearings seat fixing seat 17, two pieces of stable state load passive bearing seat guide rail fixed plates 18, test bed framework 19, gantry bearings
15 are bolted in test bed framework 19, for fixing testing stand electric wire U-shaped gantry 7, motor supporting base welded plate 16
It is welded in test bed framework 19, for fixing horizontal driving motor 11, two pieces of stable state load active bearings seat fixing seats 17 are welded
It connects in test bed framework 19, for fixed to rolling driving shaft chamber 12, two pieces of stable state load passive bearing seat guide rails are fixed
Plate 18 is welded in test bed framework 19.
Refering to Fig. 5, spoke load cell and force lead screw seat assembly 8 include force lead screw handwheel 20, force guide screw lock
Tight screw rod and handle 21, spoke type load cell hold out against top dome stud 22, spoke type load cell 23, spoke type dynamometry and pass
Sensor holds out against lead screw 24, spoke type load cell holds out against lead screw base 25, and spoke type load cell holds out against lead screw base 25 and passes through
Bolt is fixed in the stable state load passive bearing seat guide rail fixed plate 18 of testing stand pedestal 10, and spoke type load cell 23 is logical
It crosses bolt to be fixed on the driven shaft bearing seat 37 to rolling driven axle chamber 14, spoke type load cell holds out against lead screw 24
Top dome stud 22 is held out against with spoke type load cell to hold out against, and then makes the driving shaft diameter way roller to rolling driving shaft chamber 12
31 mutually clamp with the driven axle diameter way roller 38 to rolling driven axle chamber 14 to realize frictional drive.
Refering to Fig. 6, horizontal driving motor and motor synchronous pulley 11 include motor synchronous pulley 26, horizontal machine 27, electricity
Machine synchronous pulley 26 is fixed on the rotor of horizontal machine 27 by interference fit.Power passes through motor from the output of horizontal machine 27
Synchronous pulley 26 and circular arc synchronous belt 9 impart power to active experiment axis 29, then by driving shaft diameter way roller 31 and passively
The friction of diameter of axle way roller 38 is imparted power to by dynamic test axis 39.
It include driving shaft tachometric survey ring 28, active experiment axis 29, driving shaft to rolling driving shaft chamber 12 refering to Fig. 7
Synchronous pulley 30, driving shaft diameter way roller 31, drive shaft bearing seat 32, axle head grounding device 33, measured bearing 34, bearing inside
Labyrinth oil sealing 35, expansion set 36, driving shaft tachometric survey ring 28 and active experiment axis 29 are interference fitted, and driving shaft synchronous pulley 30 is logical
It crosses expansion set 36 to be fixed on active experiment axis 29, drive shaft bearing seat 32 is bolted on two pieces of testing stand pedestal 10
Stable state loads in active bearings seat fixing seat 17, and axle head grounding device 33 is bolted on the spindle nose of active experiment axis 29.
Refering to Fig. 8, to rolling 12 cross-sectional view of driving shaft chamber, axle head grounding device 33 is bolted on active experiment
The spindle nose of axis 29, axle head grounding device 33 provide for genuine.
Refering to Fig. 9, spindle nose and the axle head grounding device 33 of active experiment axis 29 are bolted to connection.
Refering to fig. 10, it include driven shaft bearing seat 37, driven axle diameter way roller 38, passive examination to rolling driven axle chamber 14
Axis 39, driven axle tachometric survey ring 40, roller slide block guide rail 41, axle head grounding device 33 etc. are tested, to rolling driven axle chamber 14
Internal structure is identical with to rolling driving shaft chamber 12.
Refering to fig. 11, roller slide block guide rail 41 can make to move radially rolling driven axle chamber 14.
Refering to fig. 12, speed probe support frame 13 be bolted on testing stand pedestal 10 and in rolling actively
Shaft experiment case 12 and between rolling driven axle chamber 14, there are two revolution speed sensings for the installation of the both ends of speed probe support frame 13
Device, alignment driving shaft tachometric survey ring 28 and driven axle tachometric survey ring 40, for measuring active experiment axis 29 and by dynamic test
The revolving speed of axis 39.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (6)
1. a kind of high speed motor car bearing stable state load and shaft end ground connection energization performance and life test rack, comprising: testing bench control
Between, testing stand signal wire stairstepping gantry and mechanical device, which is characterized in that the testing stand route stairstepping gantry is for surveying
Circuit connection between control between mechanical device；The mechanical device, comprising: cooling fan, heat dissipation pod, bearing stable state add
Carry Biaxial synchronous chamber and testing stand electric wire U-shaped gantry；The cooling fan is bolted on the top of heat dissipation pod
Portion；The heat dissipation pod is bolted on the testing stand pedestal of bearing stable state load Biaxial synchronous chamber；It is described
Testing stand current line U-shaped gantry is bolted on the testing stand pedestal surrounding of bearing stable state load Biaxial synchronous chamber；
The bearing stable state loads Biaxial synchronous chamber, comprising: two spoke load cells and force lead screw seat assembly, circular arc are same
Walk band, testing stand pedestal, horizontal driving motor and motor synchronous pulley, to rolling driving shaft chamber, speed probe support frame
With to rolling driven axle chamber.
2. a kind of high speed motor car bearing stable state load according to claim 1 and shaft end ground connection energization performance and life test
Platform, which is characterized in that the testing stand pedestal, comprising: ten gantry bearings, motor bearing seat welded plate, two pieces of stable state loads
Active bearings seat fixing seat, two pieces of stable state load passive bearing seat guide rail fixed plates and test bed framework；The gantry bearing is logical
It crosses bolt to be fixed in test bed framework, for fixing testing stand electric wire U-shaped gantry；The motor supporting base welded plate is welded on
In test bed framework, for fixing horizontal driving motor；Two pieces of stable state load active bearings seat fixing seats are fixed on test
On table frame, for fixed to rolling driving shaft chamber；Two pieces of stable state load passive bearing seat guide rail fixed plates are fixed on
In test bed framework.
3. a kind of high speed motor car bearing stable state load according to claim 1 or 2 and shaft end ground connection energization performance and service life
Testing stand, which is characterized in that the spoke load cell and force lead screw seat assembly are bolted on stable state load quilt
In dynamic bearing seat guide rail fixed plate and driven shaft bearing seat；The horizontal driving motor and motor synchronous pulley are bolted
On motor bearing seat welded plate；Described pair of rolling driving shaft chamber is bolted on stable state load active bearings seat and fixes
On seat；Described pair of rolling driven axle chamber is connected on testing stand pedestal by roller slide block guide rail；Described pair of rolling driven axle examination
Two driven axle diameter way rollers of tryoff and to rolling driving shaft chamber on two driving shaft diameter way rollers pass through two spokes
Load cell and force lead screw seat assembly are mutually held out against；The speed probe support frame is bolted on testing stand bottom
On seat, and it is located to rolling driving shaft chamber and between rolling driven axle chamber；The horizontal driving motor and motor are synchronous
Motor synchronous pulley on belt wheel with to the driving shaft synchronous pulley in rolling driving shaft chamber by the synchronous band connection of circular arc, from
And the torque that horizontal driving motor exports is transmitted on the active experiment axis to rolling driving shaft chamber, turn active experiment axis
It is dynamic, being rotated by dynamic test axis to rolling driven axle chamber is driven, the rotation of axle is simulated.
4. a kind of high speed motor car bearing stable state load according to claim 1 and shaft end ground connection energization performance and life test
Platform, which is characterized in that the spoke load cell and force lead screw seat assembly, comprising: force lead screw handwheel, force guide screw lock
Tight screw rod and handle, spoke type load cell hold out against top dome stud, spoke type load cell, spoke type load cell top
Tight lead screw and spoke type load cell hold out against lead screw base；The spoke type load cell holds out against lead screw base and is bolted
In the stable state load passive bearing seat guide rail fixed plate of testing stand pedestal, the spoke type load cell is bolted
In the driven shaft bearing seat to rolling driven axle chamber, the spoke type load cell holds out against lead screw and spoke type dynamometry passes
Sensor holds out against top dome stud and holds out against, and then makes to the driving shaft diameter way roller of rolling driving shaft chamber and to rolling driven axle chamber
Driven axle diameter way roller mutually clamp to realize frictional drive.
5. a kind of high speed motor car bearing stable state load according to claim 1 and shaft end ground connection energization performance and life test
Platform, which is characterized in that described pair of rolling driving shaft chamber, comprising: driving shaft tachometric survey ring, active experiment axis, driving shaft are same
Walk belt wheel, driving shaft diameter way roller, drive shaft bearing seat and axle head grounding device；Two driving shaft diameter way rollers are fixed on actively
It tests on axis；The driving shaft tachometric survey ring and active experiment axis and interference fit；The driving shaft synchronous pulley passes through swollen
Set is fixed on active experiment axis；The active experiment axis is fixed on testing stand by measured bearing and drive shaft bearing seat bolt
In the stable state load active bearings seat fixing seat of pedestal；By on the inside of bearing between the drive shaft bearing seat and active experiment axis
Labyrinth oil sealing sealing, the axle head grounding device are bolted on the spindle nose at active experiment axis both ends.
6. a kind of high speed motor car bearing stable state load according to claim 1 and shaft end ground connection energization performance and life test
Platform, which is characterized in that described pair of rolling driven axle chamber is loaded by the stable state that roller slide block guide rail is fixed on testing stand pedestal
In passive bearing seat guide rail fixed plate, described pair of rolling driven axle chamber is identical as described pair of rolling driving shaft test box structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910177922.2A CN109946073A (en) | 2019-03-11 | 2019-03-11 | The load of high speed motor car bearing stable state and shaft end ground connection energization performance and life test rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910177922.2A CN109946073A (en) | 2019-03-11 | 2019-03-11 | The load of high speed motor car bearing stable state and shaft end ground connection energization performance and life test rack |
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| CN109946073A true CN109946073A (en) | 2019-06-28 |
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| CN201910177922.2A Pending CN109946073A (en) | 2019-03-11 | 2019-03-11 | The load of high speed motor car bearing stable state and shaft end ground connection energization performance and life test rack |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112380755A (en) * | 2020-12-01 | 2021-02-19 | 吉林大学 | Current spectrum reconstruction method and system for comprehensive performance test bed of shaft end grounding device |
| CN112505556A (en) * | 2020-11-05 | 2021-03-16 | 宁波工程学院 | New energy automobile battery forward and reverse variable acceleration capacity test machine |
| CN116266722A (en) * | 2021-12-16 | 2023-06-20 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | High-rotation-speed motor ground insulation mechanism |
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| CN105424523A (en) * | 2015-12-15 | 2016-03-23 | 长春苏建科技有限公司 | Wear test bench for shaft end grounding device of high-speed EMU (electric multiple unit) train |
| CN107831023A (en) * | 2017-12-04 | 2018-03-23 | 吉林大学 | A kind of axle head grounding device testing stand under the conditions of stable state and low-frequency vibration |
| CN209656281U (en) * | 2019-03-11 | 2019-11-19 | 中车长春轨道客车股份有限公司 | The load of high speed motor car bearing stable state and shaft end ground connection energization performance and life test rack |
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2019
- 2019-03-11 CN CN201910177922.2A patent/CN109946073A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424523A (en) * | 2015-12-15 | 2016-03-23 | 长春苏建科技有限公司 | Wear test bench for shaft end grounding device of high-speed EMU (electric multiple unit) train |
| CN107831023A (en) * | 2017-12-04 | 2018-03-23 | 吉林大学 | A kind of axle head grounding device testing stand under the conditions of stable state and low-frequency vibration |
| CN209656281U (en) * | 2019-03-11 | 2019-11-19 | 中车长春轨道客车股份有限公司 | The load of high speed motor car bearing stable state and shaft end ground connection energization performance and life test rack |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505556A (en) * | 2020-11-05 | 2021-03-16 | 宁波工程学院 | New energy automobile battery forward and reverse variable acceleration capacity test machine |
| CN112380755A (en) * | 2020-12-01 | 2021-02-19 | 吉林大学 | Current spectrum reconstruction method and system for comprehensive performance test bed of shaft end grounding device |
| CN116266722A (en) * | 2021-12-16 | 2023-06-20 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | High-rotation-speed motor ground insulation mechanism |
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