CN209656283U - Position adjustable varying load high-frequency excitation axle head grounding device testing stand - Google Patents
Position adjustable varying load high-frequency excitation axle head grounding device testing stand Download PDFInfo
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- CN209656283U CN209656283U CN201920297359.8U CN201920297359U CN209656283U CN 209656283 U CN209656283 U CN 209656283U CN 201920297359 U CN201920297359 U CN 201920297359U CN 209656283 U CN209656283 U CN 209656283U
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- bearing block
- axle head
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Abstract
The utility model relates to a kind of position adjustable varying load high-frequency excitation axle head grounding device testing stands, it include: between mobile test for ground platform observing and controlling, foundation ground and mechanical device, mechanical device includes: large span portal frame assembly, suspension type driving motor assembly, portal frame track and foundation bolt assembly, earthing or grounding means chamber and electronic actuating vibration table assembly, large span portal frame assembly is mounted in portal frame track, suspension type driving motor assembly is suspended on the large span portal frame crossbeam of large span portal frame assembly, electronic actuating vibration table assembly is located at the lower section of suspension type driving motor assembly, earthing or grounding means chamber is fixed on the top of electronic actuating vibration table assembly, when electronic actuating vibration table assembly high-frequency vibration, earthing or grounding means chamber is vibrated together with electronic actuating vibration table assembly, the rail vehicle high-speed cruising high frequency of analog different loads Vibrate operating condition, it is true to simulate EMU size loaded in operation, so that test data is closer to really.
Description
Technical field
The utility model relates to a kind of rail car axle box earthing or grounding means reliability test bench, more specifically, it is one
Axle head grounding device reliability test bench under the conditions of kind high-frequency excitation.
Background technique
Currently, the development of China's rail traffic cause is very quick, the conevying efficiency of rail vehicle, the speed of service and
Intelligent level is also constantly improving, however the raising of the travel speed of rail vehicle accelerates axle shaft end frictional disk and ground connection
Friction between device brush shell carbon brush.During actually driving, often because of the brush and contact disc mistake of earthing or grounding means
Degree abrasion, carbon dust and copper powder for causing abrasion to generate etc. " dust " enter axle end bearing, cause bearing running hot, or even lead to off-axis
Accident.Therefore the safety traffic to guarantee rail vehicle, design the axle head grounding device reliability examination under the conditions of a kind of high-frequency excitation
Platform is tested to be of great significance to carry out test to axle head grounding device.
Utility model content
The utility model is constantly promoted for the speed of service of rail vehicle, and axle shaft end frictional disk adds with brush friction
Play may cause axle shaft end overheat or even the Exploration on Train Operation Safety such as off-axis, provide the shaft end under the conditions of a kind of high-frequency excitation
A kind of earthing or grounding means testing stand, and in particular to position adjustable varying load high-frequency excitation axle head grounding device test of changing load
Platform.
Refering to fig. 1 to Figure 14, it is achieved in order to solve the above technical problems, the utility model adopts the following technical solution.
A kind of position adjustable varying load high-frequency excitation axle head grounding device testing stand, comprising: mobile test for ground platform
Between observing and controlling, foundation ground and mechanical device, the mechanical device, comprising: large span portal frame assembly, suspension type driving motor are total
At, portal frame track and foundation bolt assembly, earthing or grounding means chamber and electronic actuating vibration table assembly, the portal frame track and ground
Foot bolt assembly is fixed on foundation ground, and the large span portal frame assembly is mounted in portal frame track, and along portal frame
Track is mobile, and to facilitate the installation of earthing or grounding means chamber, the suspension type driving motor assembly is suspended on by two springs
On the large span portal frame crossbeam of large span portal frame assembly, the electronic actuating vibration table assembly is located at suspension type driving motor assembly
Lower section, and be bolted on foundation ground, the earthing or grounding means chamber, which is bolted to be fixed on, electronic to swash
The top of vibration platform assembly, when electronic actuating vibration table assembly high-frequency vibration, earthing or grounding means chamber is with electronic actuating vibration table assembly one
Play vibration, analog rail vehicle high-speed cruising high-frequency vibration operating condition.
Preferably, the large span portal frame assembly, comprising: large span portal frame crossbeam, large span portal frame crossbeam branch
Support, hung type counterweight, motor mount, balance shaft mounting base and two pieces of spring suspension plates, the large span portal frame crossbeam
Be bolted on large span portal frame cross beam support frame, motor mount and balance shaft mounting base be respectively welded at greatly across
Portal frame crossbeam lower part two sides are spent, two pieces of spring suspension plates are symmetrically welded at large span portal frame crossbeam top and lower part, and six
Hung type counterweight hangs over large span portal frame crossbeam top, and hung type counterweight variable amounts are to simulate the trains of different loads.
Preferably, the suspension type driving motor assembly, comprising: balancing spring pulling force adjustment screw, balancing spring, pulling force
Balance shaft and bearing block, four Type B V belts, belt hood supporting angle steel, belt hood, horizontal machine and two slot skins
Belt wheel, the balancing spring pulling force adjustment screw lower end are connect with balancing spring upper end crotch, the balancing spring pulling force adjustment
Screw rod end is connect by bolt with large span portal frame crossbeam, balancing spring lower end crotch and electric high-frequency exciter test lightweight axis
Hold seat connection.
Preferably, the tension balanced axis and bearing block are by bearing block, tension balanced axis and two slot belt pulley sets at pulling force
The tension balanced axis of balance shaft and bearing block passes through bearing block, and the bearing block is bolted on large span portal frame crossbeam
In the balance shaft mounting base of lower part, large span portal frame is bolted at the top of four belt hoods support angle steel
On crossbeam, middle part is then welded on belt hood and belt hood becomes an entirety, the horizontal machine and two slot skins
Belt wheel is bolted on the motor mount of large span portal frame crossbeam lower part, the horizontal machine and two slot belt pulleys
The both sides of earthing or grounding means chamber are distributed in, with tension balanced axis and bearing block to keep the power torque in entire rotation process flat
Weighing apparatus, and transmitting torque by Type B V belt rotates universal test axis into earthing or grounding means chamber, to simulate axle
Rotation.
Preferably, the earthing or grounding means chamber, comprising: two pairs of tested vehicle axle head grounding devices, patch type are small-sized
Temperature sensor, straight hole belt pulley and universal test axis, one tested vehicle axle head grounding device pass through lightweight bearing
Seat outside interface washer is bolted on electric high-frequency exciter test lightweight bearing block, another tested axle for vehicle end ground connection
Device is bolted on electric high-frequency exciter test auxiliary bearing seat by interface washer on the outside of auxiliary bearing seat, lightweight bearing
Seat inside interface washer is bolted on the inside of electric high-frequency exciter test lightweight bearing block, the small-sized temperature of patch type
The top that sensor is mounted in magnetic exciting type lightweight bearing block is spent, is grounded for test vehicle shaft end during measuring high-frequency excitation
The temperature of device, the straight hole belt pulley are located at electric high-frequency exciter test lightweight bearing block and electric high-frequency exciter test auxiliary
It between bearing block, and is fixed on universal test axis, the universal test axis passes through electric high-frequency exciter test lightweight bearing block
It is fixed at the top of electronic actuating vibration table assembly with electric high-frequency exciter test auxiliary bearing seat bolt；Two pairs of tested axles for vehicle
Earthing or grounding means is held to be selected according to the difference of tested vehicle.
Preferably, the electric high-frequency exciter test lightweight bearing block and electric high-frequency exciter test auxiliary bearing seat pass through
Pedestal bearing insulation backing plate bolt is fixed at the top of electronic actuating vibration table assembly.
Preferably, the electric high-frequency exciter test lightweight bearing block lower weld is there are two annulus, is used for and equilibrium bomb
Spring connection.
Preferably, the test spindle nose of the universal test axis is different according to the tested vehicle axle head grounding device connected
And replace, with the axle head grounding device for detecting different model.
The beneficial effects of the utility model are:
1, the large span of position adjustable varying load high-frequency excitation axle head grounding device testing stand described in the utility model
Portal frame is removable, facilitates the installation of the mechanical device below portal frame.
2, it may cause oscillator when electronic actuating vibration table powers off and earthing or grounding means chamber sunk suddenly, then lead to belt
It the serious consequences such as breaks, therefore devises suspension type driving motor assembly, according to the Gravity calculation of oscillator and earthing or grounding means chamber
The spring of selection, spring can balance vibrators and chamber gravity it is mobile, to avoid the generation of accident.
3, the utility model position adjustable varying load high-frequency excitation axle head grounding device testing stand uses hung type counterweight,
The train of analog different loads really simulates EMU size loaded in operation, so that adjustable to position
The test data of formula varying load high-frequency excitation axle head grounding device testing stand is closer to really.
Detailed description of the invention
Fig. 1 is the axonometric drawing of position adjustable varying load high-frequency excitation axle head grounding device testing stand general assembly body；
Fig. 2 is that the axis of position adjustable varying load high-frequency excitation axle head grounding device testing stand mechanical device assembly is surveyed
Figure；
Fig. 3 is the axonometric drawing of testing stand mechanical device large span portal frame general assembly body；
Fig. 4 is the axis of testing stand mechanical device large span portal frame crossbeam Yu the rack-mounted ligand of large span portal frame cross beam support
Mapping；
Fig. 5 is testing stand mechanical device large span portal frame assembly and suspension type driving motor general assembly body schematic diagram；
Fig. 6 is suspension type driving motor general assembly body schematic diagram；
Fig. 7 is the axonometric drawing of tension balanced axis and bearing block assembly；
Fig. 8 is suspension type driving motor assembly and earthing or grounding means chamber assembly schematic diagram；
Fig. 9 is the axonometric drawing of earthing or grounding means chamber Yu electronic actuating vibration table general assembly body；
Figure 10 is the axonometric drawing of earthing or grounding means chamber assembly；
Figure 11 is earthing or grounding means chamber assembly schematic diagram；
Figure 12 is the axonometric drawing of electric high-frequency exciter test lightweight bearing block assembly；
Figure 13 is earthing or grounding means chamber assembly cross-sectional view；
Figure 14 is the axonometric drawing of universal test axle assembly assembly；
In figure: between 1. mobile test for ground platform observing and controlling, 2. foundation grounds, 3. mechanical devices, 4. large span portal frames are total
At, 5. suspension type driving motor assemblies, 6. portal frame tracks and foundation bolt assembly, 7. earthing or grounding means chambers, 8. electronic swash
Shake platform assembly, 9. large span portal frame crossbeams, 10. large span portal frame cross beam support framves, 11. hung type counterweights, 12. motors peace
Dress seat, 13. balance shaft mounting bases, 14. two pieces of spring suspension plates, 15. balancing spring pulling force adjustment screws, 16. balancing springs,
17. tension balanced axis and bearing block, 18. 4 Type B V belts, 19. belt hood supporting angle steels, 20. belt hoods,
21. horizontal machine and two slot belt pulleys, 22. bearing blocks, 23. tension balanced axis, 24. liang of slot belt pulleys, 25. tested axles for vehicle
Earthing or grounding means is held, interface washer on the outside of 26. lightweight bearing blocks, 27. patch type mini-temperature sensors, 28. straight hole belt pulleys,
29. electric high-frequency exciter test lightweight bearing block, 30. electric high-frequency exciter test auxiliary bearing seats, 31. pedestal bearing insulation pads
Plate, interface washer on the outside of 32 auxiliary bearing seats, interface washers on the inside of 33. lightweight bearing blocks, 34. universal test axis, 35. test axis
Head.
Specific embodiment
Illustrated embodiment is described in further detail the utility model with reference to the accompanying drawing.The embodiment is only
In order to understand the content of the present invention, the range of the utility model claims protection can not be limited.
The utility model relates to the axle head grounding device testing stands of changing load under the conditions of high-frequency excitation.Its main body includes plucking
It wants between the mobile test for ground platform observing and controlling in attached drawing, foundation ground, mechanical device.Cloth on the large span portal frame of mechanical device
It is equipped with testing stand long-span bridge rack slot and gantry lid, the arrangement for route between testing stand and operation room.The master of this testing stand
Body portion is the mechanical device in Detailed description of the invention.Below in conjunction with attached drawing to the utility model particular content and its specific implementation
Side makees and a step explanation.
Refering to fig. 1, position adjustable varying load high-frequency excitation axle head grounding device testing stand includes mobile ground connection examination
Test 1, foundation ground 2, mechanical device 3 between platform observing and controlling.Wherein main part of the mechanical device 3 as entire testing stand, specially for this
Benefit protection emphasis, between mobile test for ground platform observing and controlling 1 and foundation ground 2 can be laid out and be set according to place actual conditions
It sets.
Referring to Fig.2, mechanical device 3 by large span portal frame assembly 4, suspension type driving motor assembly 5, portal frame track with
Foundation bolt assembly 6, earthing or grounding means chamber 7, electronic actuating vibration table assembly 8 composition.Large span portal frame assembly 4 passes through portal frame
Track and foundation bolt assembly 6 are fixed on foundation ground 2, and the suspension type driving motor assembly 5 is outstanding by two springs
It hangs on 4 large span portal frame crossbeam 9 of large span portal frame assembly, the electronic actuating vibration table assembly 8 is located at suspension type driving electricity
The lower section of machine assembly 5, and be bolted on foundation ground 2, fixation is bolted in the earthing or grounding means chamber 5
On the top of electronic actuating vibration table assembly 8, when electronic 8 high-frequency vibration of actuating vibration table assembly, earthing or grounding means chamber 5 swashs with electronic
Vibration platform assembly 8 vibrates together.Analog rail vehicle high-speed cruising high-frequency vibration operating condition.In order to be closed entire vibrational system,
Prevent vibrational energy from losing, it is desirable that electronic actuating vibration table assembly 8 and portal frame track and foundation bolt assembly 6 are fixed on samely
In based system.In addition, large span portal frame assembly 4 can be mobile by guide rail in portal frame track and foundation bolt assembly 6,
Facilitate the repair and upgrade for building installation and later period of testing stand.
Refering to Fig. 3, large span portal frame general assembly body.It includes large span portal frame crossbeam 9, large span portal frame cross
10, six hung type counterweights 11 of beam support frame, motor mount 12, balance shaft mounting base 13, two pieces of spring suspension plates 14 form,
Large span portal frame crossbeam 9 is bolted on large span portal frame cross beam support frame 10, motor mount 12 and balance
Axis mounting base 13 is respectively welded at 9 lower part two sides of large span portal frame crossbeam, two pieces of spring suspension plates 13 be symmetrically welded at greatly across
Spend 9 top of portal frame crossbeam and lower part.Six hung type counterweights 11 hang over 9 top of large span portal frame crossbeam, hung type counterweight
11 variable amounts are to simulate the trains of different loads.Large span portal frame assembly 4 can be total in portal frame track and foundation bolt
At mobile by guide rail on 6, facilitate the repair and upgrade for building installation and later period of testing stand.
Refering to Fig. 4, testing stand mechanical machine parts gantry frame assembly.It includes: that large span portal frame is horizontal that it, which is mainly formed,
Beam 9, large span portal frame cross beam support frame 10, motor mount 12, balance shaft mounting base 13 and several support triangular steel plates.
Refering to Fig. 5, testing stand mechanical device large span portal frame assembly and suspension type driving motor general assembly body.Suspension
Formula driving motor assembly 5 is connect by balancing spring pulling force adjustment screw 15 with large span portal frame crossbeam 9.
Refering to Fig. 6, suspension type driving motor assembly 5 includes balancing spring pulling force adjustment screw 15, balancing spring 16, pulling force
It is balance shaft and 18, four, the Type B V belt of bearing block 17, four belt hood supporting angle steel 19, belt hood 20, horizontal
Motor and two slot belt pulleys 21,15 lower end of balancing spring pulling force adjustment screw are connect with 16 upper end crotch of balancing spring, four skins
It is bolted on large span portal frame crossbeam 9 at the top of band shield support angle steel 19.Middle part is then welded on belt protection
On cover 20 and belt hood 20 becomes an entirety.Horizontal machine and two slot belt pulleys 21 are bolted on large span dragon
On the motor mount 12 of 9 lower part of door frame crossbeam, the horizontal machine and two slot belt pulleys 21 and tension balanced axis and bearing block
17 are distributed in the both sides of earthing or grounding means chamber 7, to keep the power balance in entire rotation process, and pass through Type B triangle
Belt 18, which transmits torque, rotates universal test axis 34 into earthing or grounding means chamber 7, to simulate the rotation of axle.
Refering to Fig. 7, tension balanced axis and bearing block 17 are made of bearing block 22, tension balanced axis 23, two slot belt pulleys 24,
The tension balanced axis 23 of tension balanced axis and bearing block 17 passes through bearing block 22, and bearing block 22 is bolted on large span dragon
In the balance shaft mounting base 13 of 9 lower part of door frame crossbeam, main purpose is to guarantee the power torque of driving motor during the work time
Balance.
Refering to Fig. 8, suspension type driving motor assembly and earthing or grounding means chamber assembly.Earthing or grounding means chamber it is electronic
The annulus of high-frequency excitation test 29 lower part of lightweight bearing block is connect with the balancing spring 16 of suspension type driving motor assembly.
Refering to Fig. 9, earthing or grounding means chamber and electronic actuating vibration table general assembly body.7 bottom bolts of earthing or grounding means chamber
It is fastened on the top of electronic actuating vibration table assembly 8.Earthing or grounding means chamber 7 and electronic actuating vibration table assembly 8 become an entirety
And electronic actuating vibration table assembly 8 high-frequency vibration together is followed, the purpose of high-frequency vibration is in order to which analog orbit vehicle is in high speed row
Vibration when sailing.To achieve the purpose that analog orbit vehicle high-speed operating condition.
0, Figure 11 refering to fig. 1, the 7 of earthing or grounding means chamber include two pairs of tested vehicle axle head grounding devices 25, lightweights
Interface washer 26, patch type mini-temperature sensor 27, straight hole belt pulley 28, electric high-frequency exciter test lightweight on the outside of bearing block
Bearing block 29, electric high-frequency exciter test auxiliary bearing seat 30, pedestal bearing insulation backing plate 31, interface washer on the outside of auxiliary bearing seat
32, interface washer 33, universal test axis 34, two pairs of tested vehicle axle head grounding devices 25 can roots on the inside of lightweight bearing block
Different axle head grounding devices is selected according to the difference of tested vehicle, interface washer 26 passes through bolt on the outside of the lightweight bearing block
It is connected between tested vehicle axle head grounding device 25 and electric high-frequency exciter test lightweight bearing block 29, in lightweight bearing block
Side interface washer 33 is bolted on the inside of electric high-frequency exciter test lightweight bearing block 29, outside the auxiliary bearing seat
Side interface washer 32 is bolted in tested vehicle axle head grounding device 25 and electric high-frequency exciter test auxiliary bearing
Between seat 30, the patch type mini-temperature sensor 27 is mounted in the top of magnetic exciting type lightweight bearing block 26, for measuring
The temperature of vehicle axle head grounding device 25 is tested during high-frequency excitation, the straight hole belt pulley 28 is located at the examination of electric high-frequency exciting
Lightweight bearing block 29 and electric high-frequency exciter test auxiliary bearing seat 30 are tested, and is fixed on universal test axis 34, it is described electronic
High-frequency excitation tests lightweight bearing block 29 and electric high-frequency exciter test auxiliary bearing seat 30 passes through 31, pedestal bearing insulation backing plate
It is fixed by bolts to electronic 8 top of actuating vibration table assembly, and there are two 29 lower welds of electric high-frequency exciter test lightweight bearing block
Annulus is connect with balancing spring 16.
Refering to fig. 12, electric high-frequency exciter test lightweight bearing block bottom is welded with two annulus and drives for connecting suspension type
The balancing spring 16 of dynamic motor assembly 5.
Refering to fig. 13, earthing or grounding means chamber cross-sectional view.It can be seen that the detailed construction of earthing or grounding means chamber, is
The prior art.
Refering to fig. 14, the test spindle nose 35 of universal test axis 34 can be according to the tested vehicle axle head grounding device connected
20 is different and replace, with the axle head grounding device for detecting different model.
Position adjustable varying load high-frequency excitation axle head grounding device testing stand described in the utility model is mainly used for surveying
The performance indexes under high-frequency excitation service condition of high speed railway car axle head grounding device is tried, test content includes turning
The abrasion condition of the multiple parameters such as speed, load, temperature, vibration, electric current index and test carbon brush and frictional disk.During test
The related sensors such as revolving speed, the temperature of testing stand each position are mounted on, corresponding test parameters is acquired, and are stored in a computer,
For quantitative analysis test parameters.After periodic test, testing stand main body is disassembled, shaft end abrasion feelings can be observed
Condition finally achieves the relevant research purpose of test.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (8)
1. a kind of position adjustable varying load high-frequency excitation axle head grounding device testing stand, comprising: mobile test for ground platform is surveyed
Between control, foundation ground and mechanical device, which is characterized in that the mechanical device, comprising: large span portal frame assembly, suspension type
Driving motor assembly, portal frame track and foundation bolt assembly, earthing or grounding means chamber and electronic actuating vibration table assembly, described gantry
Frame track and foundation bolt assembly are fixed on foundation ground, and the large span portal frame assembly is mounted in portal frame track,
And moved along portal frame track, to facilitate the installation of earthing or grounding means chamber, the suspension type driving motor assembly passes through two
Spring is suspended on the large span portal frame crossbeam of large span portal frame assembly, and the electronic actuating vibration table assembly is located at suspension type drive
The lower section of dynamic motor assembly, and be bolted on foundation ground, the earthing or grounding means chamber is bolted solid
It is scheduled on the top of electronic actuating vibration table assembly, when electronic actuating vibration table assembly high-frequency vibration, earthing or grounding means chamber swashs with electronic
Vibration platform assembly vibrates together, analog rail vehicle high-speed cruising high-frequency vibration operating condition.
2. a kind of position adjustable varying load high-frequency excitation axle head grounding device testing stand according to claim 1, special
Sign is, the large span portal frame assembly, comprising: large span portal frame crossbeam, mounts large span portal frame cross beam support frame
Formula counterweight, motor mount, balance shaft mounting base and two pieces of spring suspension plates, the large span portal frame crossbeam are solid by bolt
It is scheduled on large span portal frame cross beam support frame, motor mount and balance shaft mounting base are respectively welded at large span portal frame cross
Beam lower part two sides, two pieces of spring suspension plates are symmetrically welded at large span portal frame crossbeam top and lower part, six hung type counterweights
Hang over large span portal frame crossbeam top, hung type counterweight variable amounts are to simulate the trains of different loads.
3. a kind of position adjustable varying load high-frequency excitation axle head grounding device testing stand according to claim 1 or 2,
It is characterized in that, the suspension type driving motor assembly, comprising: balancing spring pulling force adjustment screw, balancing spring, tension balanced axis
And bearing block, four Type B V belts, belt hood supporting angle steel, belt hood, horizontal machine and two slot belt pulleys,
The balancing spring pulling force adjustment screw lower end is connect with balancing spring upper end crotch, the balancing spring pulling force adjustment screw end
It is connect by bolt with large span portal frame crossbeam, balancing spring lower end crotch and electric high-frequency exciter test lightweight bearing block connect
It connects.
4. a kind of position adjustable varying load high-frequency excitation axle head grounding device testing stand according to claim 3, special
Sign is, the tension balanced axis and bearing block by bearing block, tension balanced axis and two slot belt pulley sets at, tension balanced axis and
The tension balanced axis of bearing block passes through bearing block, and the bearing block is bolted on the flat of large span portal frame crossbeam lower part
In the axis mounting base that weighs, it is bolted on large span portal frame crossbeam at the top of four belt hoods support angle steel,
Middle part is then welded on belt hood and belt hood becomes an entirety, and the horizontal machine and two slot belt pulleys pass through
Bolt is fixed on the motor mount of large span portal frame crossbeam lower part, and the horizontal machine and two slot belt pulleys and pulling force are put down
Weighing apparatus axis and bearing block are distributed in the both sides of earthing or grounding means chamber, to keep the power balance in entire rotation process, and lead to
Crossing Type B V belt transmitting torque rotates universal test axis into earthing or grounding means chamber, to simulate the rotation of axle.
5. a kind of position adjustable varying load high-frequency excitation axle head grounding device testing stand according to claim 3, special
Sign is, the earthing or grounding means chamber, comprising: two pairs of tested vehicle axle head grounding devices, patch type compact temperature sensing
Device, straight hole belt pulley and universal test axis, one tested vehicle axle head grounding device outside lightweight bearing block by flanking
Mouth washer is bolted on electric high-frequency exciter test lightweight bearing block, another tested vehicle axle head grounding device passes through
Interface washer is bolted on electric high-frequency exciter test auxiliary bearing seat on the outside of auxiliary bearing seat, is flanked in lightweight bearing block
Mouth washer is bolted on the inside of electric high-frequency exciter test lightweight bearing block, the patch type mini-temperature sensor
Mounted in the top of magnetic exciting type lightweight bearing block, the temperature of vehicle axle head grounding device is tested in the process for measuring high-frequency excitation
Degree, the straight hole belt pulley be located at electric high-frequency exciter test lightweight bearing block and electric high-frequency exciter test auxiliary bearing seat it
Between, and be fixed on universal test axis, the universal test axis passes through electric high-frequency exciter test lightweight bearing block and electronic height
Frequency exciter test auxiliary bearing seat bolt is fixed at the top of electronic actuating vibration table assembly；Two pairs of tested axle for vehicle end ground connection dresses
It sets and is selected according to the difference of tested vehicle.
6. a kind of position adjustable varying load high-frequency excitation axle head grounding device testing stand according to claim 5, special
Sign is that the electric high-frequency exciter test lightweight bearing block and electric high-frequency exciter test auxiliary bearing seat are exhausted by bearing block
Edge backing plate bolt is fixed at the top of electronic actuating vibration table assembly.
7. a kind of position adjustable varying load high-frequency excitation axle head grounding device testing stand according to claim 5, special
Sign is that there are two annulus for the electric high-frequency exciter test lightweight bearing block lower weld, for connecting with balancing spring.
8. a kind of position adjustable varying load high-frequency excitation axle head grounding device testing stand according to claim 5, special
Sign is that the test spindle nose of the universal test axis is different according to the tested vehicle axle head grounding device connected and replaces,
With the axle head grounding device for detecting different model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920297359.8U CN209656283U (en) | 2019-03-11 | 2019-03-11 | Position adjustable varying load high-frequency excitation axle head grounding device testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920297359.8U CN209656283U (en) | 2019-03-11 | 2019-03-11 | Position adjustable varying load high-frequency excitation axle head grounding device testing stand |
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| Publication Number | Publication Date |
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| CN209656283U true CN209656283U (en) | 2019-11-19 |
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ID=68526363
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|---|---|---|---|
| CN201920297359.8U Active CN209656283U (en) | 2019-03-11 | 2019-03-11 | Position adjustable varying load high-frequency excitation axle head grounding device testing stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946078A (en) * | 2019-03-11 | 2019-06-28 | 中车长春轨道客车股份有限公司 | Position adjustable varying load high-frequency excitation axle head grounding device testing stand |
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2019
- 2019-03-11 CN CN201920297359.8U patent/CN209656283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946078A (en) * | 2019-03-11 | 2019-06-28 | 中车长春轨道客车股份有限公司 | Position adjustable varying load high-frequency excitation axle head grounding device testing stand |
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