CN206410874U - A kind of rail vehicle elastic wheel bracket loading test platform - Google Patents
A kind of rail vehicle elastic wheel bracket loading test platform Download PDFInfo
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- CN206410874U CN206410874U CN201621472863.XU CN201621472863U CN206410874U CN 206410874 U CN206410874 U CN 206410874U CN 201621472863 U CN201621472863 U CN 201621472863U CN 206410874 U CN206410874 U CN 206410874U
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Abstract
The utility model is related to rail vehicle elastic wheel load test technical field, disclose a kind of rail vehicle elastic wheel bracket loading test platform, including pedestal, fatigue loading component, static loading component and load charging assembly, the load charging assembly can apply power axially and radially to subject wheel, fatigue loading component and static loading component are arranged on the pedestal, the fatigue loading component includes drive component and brake assemblies, the fatigue loading component coordinates the operating mode of the load charging assembly simulation subject wheel movement process, operating mode when the static loading component can fix the subject wheel and coordinate the load charging assembly simulation subject wheel static.The utility model can simulate synthesis stressing conditions of the elastic wheel under static or different motion speed, obtain comprehensive examination data, so as to provide test data support for the production and processing of elastic wheel, performance improvement etc..
Description
Technical field
The utility model is related to rail vehicle elastic wheel load test technical field, more particularly to a kind of rail vehicle bullet
Property wheel bracket loading test platform.
Background technology
When rail vehicle is run on urban district ground or overpass, wheel-rail noise living environment to along is brought sternly
Ghost image is rung, and then elastic wheel is applied and given birth to.The basic structure of elastic wheel is in steel wheel-tyre and steel wheel core wheel
Between be embedded in rubber parts, lift the vibration noise in the running stability of rail vehicle, reduction running, improve wheel track mill
Damage.Using V-arrangement arrangement more than the setting-in wheel rubber parts of current elastic car, the arrangement causes elastic wheel to be provided simultaneously with axial direction
Rigidity and radial rigidity.
Correlative study result shows that elastic wheel is compared with rigid wheel, and elastic wheel can reduce by 5~8dB of noise, and
Screamed noise for more than 1000Hz high frequency for frequency, the noise reduction of elastic wheel more preferably, can be compared with rigid wheel reduction by 15
~30dB.And for ground vibration level, elastic wheel can be compared with rigid wheel reduction at maximum up to 70%.
As increasing elastic wheel is applied and is studied, change for convenience for the production and processing of elastic wheel, performance
Enter etc. to provide accurate test data, rail vehicle elastic wheel load testing machine also turns into a kind of urgent demand.
The content of the invention
(1) technical problem to be solved
The utility model provides a kind of rail vehicle elastic wheel bracket loading test platform, for examine elastic wheel dynamic,
The fatigue behaviour of axial direction, radial rigidity, anti-twisting property and wheel under static load, so as to add for the production of elastic wheel
Work, performance improvement etc. provide test data support.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of rail vehicle elastic wheel bracket loading test platform,
Including pedestal, fatigue loading component, static loading component and load charging assembly,
Wherein, the load charging assembly can apply power axially and radially, the fatigue loading group to subject wheel
Part and static loading component are arranged on the pedestal, and the fatigue loading component includes driving the driving of subject wheel movement
Component and the acceleration and deceleration of simulation subject wheel, the brake assemblies of braking, the fatigue loading component coordinate the load loading group
The operating mode of part simulation subject wheel movement process；
The static loading component can fix the subject wheel and coordinate the load charging assembly simulation by test run
Operating mode when wheel is static.
Further, the drive component includes motor, the motor-driven drive shaft, is connected simultaneously with the drive shaft
By the shaft-driven driving wheel of driving, the driving wheel contacts with the subject wheel and drives the subject wheel movement.
Further, in addition to the driving platform that is arranged on the pedestal, the motor drives institute by transmission mechanism
Drive shaft is stated, the drive shaft is supported by clutch shaft bearing group and fixed,
The motor, driving wheel, drive shaft, transmission mechanism and clutch shaft bearing group are each attached on the driving platform.
Further, in addition to the two-way slide unit that is arranged on pedestal, the lower end of the two-way slide unit passes through second bearing
Group is fixed with dynamic loading wheel shaft, and the brake assemblies are shaft brake, the upper end of the dynamic loading wheel shaft and the shaft brake
Connection, the lower end of the dynamic loading wheel shaft is used to connect the subject wheel；
The load charging assembly can apply the axially and radially consistent work with subject wheel to the two-way slide unit
Firmly, the two-way slide unit drives subject wheel extruding driving wheel, so as to simulate the work axially and radially of the subject wheel
Firmly.
Further, the dynamic loading wheel shaft includes two section up and down connected by flange, wherein, move under loading wheel shaft
Section is detachably connected with the subject wheel.
Further, the static loading component is suitable including axle support base, quiet loading wheel shaft, shaft locking device and quiet loading
Orchestration,
The quiet loading wheel shaft is fixed on the pedestal by axle support base, and the subject wheel is arranged on quiet loading wheel
On axle,
The shaft locking device is used for the subject wheel that is locked,
The quiet loading adapter is connected to the outer rim of the subject wheel, and can connect with the load charging assembly
Connect, power of the load charging assembly by quiet loading adapter to the subject wheel application axially and radially.
Further, the load charging assembly includes two loading start hydraulic cylinders, and hydrodynamic pressure is made in one of loading
Cylinder applies axial force to the subject wheel, and another loading start hydraulic cylinder applies radial load to the subject wheel.
Further, the driving wheel is the double-layer structure being connected through a screw thread, and the outer layer of the driving wheel is used for and institute
Subject wheel contact is stated, and the contact surface of the outer layer of the driving wheel and the subject wheel is track structure；
The internal layer of the driving wheel is fixedly connected with drive shaft.
Further, in addition to TT＆C system and dust suction subassembly, the TT＆C system is used to control the fatigue loading
The action of component and load charging assembly, and the performance indications of subject wheel are gathered, carry out relative recording and export；
The suction port of the dust suction subassembly is arranged on the lower section of the driving wheel and subject wheel contact position.
Further, correspondence clutch shaft bearing group, second bearing group and shaft brake are respectively arranged with cooling system.
(3) beneficial effect
Above-mentioned technical proposal of the present utility model has the following advantages that：
The common elastic car for the compatible multiple diameter of rail vehicle elastic wheel bracket loading test platform that the utility model is provided
Wheel, can simulate synthesis stressing conditions of the elastic wheel under static or different motion speed, obtain comprehensive examination data,
So as to which production and processing, performance improvement for elastic wheel etc. provides test data support.
Except the utility model described above solve technical problem, constitute technical scheme technical characteristic and
Outside the technical characteristic for having the advantages that these technical schemes is brought, other technical characteristics of the present utility model and these technologies are special
The advantage brought is levied, will be further illustrated with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is that the tested wheel of the rail vehicle elastic wheel bracket loading test platform of the utility model embodiment 1 is in tired add
Schematic top plan view during load state；
Fig. 2 is that the tested wheel of the rail vehicle elastic wheel bracket loading test platform of the utility model embodiment 1 is in tired add
Schematic front view during load state；
Fig. 3 is that the tested wheel of the rail vehicle elastic wheel bracket loading test platform of the utility model embodiment 1 adds in static(al)
Schematic top plan view during load state.
In figure：1：Hydraulic oil source；2：Pedestal；3：Axle support base；4：Quiet loading wheel shaft；5：Shaft locking device；6：Quiet loading is suitable
Orchestration；7：Two-way slide unit；8：Shaft brake；9：Load start hydraulic cylinder；10：Dynamic loading wheel shaft；11：Clutch shaft bearing group；12：Drive
Moving axis；13：Transmission mechanism；14：Motor；15：Drive platform；16：Dust suction subassembly；17：Driving wheel；18：It is tested wheel；19：Survey
Control system；20：Second bearing group.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, in description of the present utility model, unless otherwise indicated, " multiple ", " many ", " multigroup " are meant that two
Individual or two or more, " several ", " some ", " some groups " are meant that one or more.
As shown in figure 1, the utility model embodiment provide rail vehicle elastic wheel bracket loading test platform include pedestal 2,
Fatigue loading component, static loading component and load charging assembly.
Wherein, pedestal 2 includes base framework, and base framework includes upper side, bottom surface and is connected to upper side, bottom
Side between face, namely base framework form the space of an accommodating equipment.Pedestal 2 is whole elastic wheel testing stand
Support section, other critical pieces are installed on pedestal.
The load charging assembly can apply power axially and radially to subject wheel, the fatigue loading component and
Static loading component is arranged on the pedestal, and the fatigue loading component includes the drive component for driving subject wheel 18 to move
And the acceleration and deceleration of simulation subject wheel 18, the brake assemblies of braking, the fatigue loading component cooperation load charging assembly
The operating mode of simulation subject wheel movement process, the static loading component can fix the subject wheel and coordinate the load
Operating mode when charging assembly simulation subject wheel is static.
It should be noted that the present embodiment fatigue loading component is mainly used in simulating wheel during prolonged exercise
The operating mode of load is radially, axially born, static loading component radially, axially bears load for simulating wheel in static state
Operating mode；Load charging assembly is executing agency of the testing stand to subject wheel loading effect power.
As shown in Fig. 1 or 3, the drive component of fatigue loading component includes motor 14, transmission mechanism 13, drive shaft
12nd, clutch shaft bearing group 11, driving wheel 17 and driving platform 15.Wherein, the motor 14, driving wheel 17, drive shaft 12,
Transmission mechanism 13 and clutch shaft bearing group 11 are fixed on the driving platform 15, the lower surface of the driving platform 15 and base
The bottom surface connection of seat frame frame, can so drive the position of platform 15, adjustment driving wheel 17 and subject wheel 18 by adjusting
The distance between, facilitate the various sizes of subject wheel 18 of replacing.
Specifically, motor 14 is preferably variable-frequency motor, so drive can be adjusted by changing the frequency of supply of motor
The rotating speed of dynamic motor 14, so as to adjust the power output for connecing motor；Transmission mechanism 13 is tape handler, one end connection motor
14 output revolving shaft, the other end connects the rear end of drive shaft 12, and major function is to pass to the output torque of motor 14
Drive shaft 12；Drive shaft 12 is arranged on driving platform 15 by clutch shaft bearing group 11, the rear end of drive shaft 12 and transmission mechanism 13
It is connected, the front end of drive shaft 12 is connected with driving wheel 17, the driving wheel contacts with the subject wheel 18 and drives the subject
Wheel 18 is moved.
It should be noted that clutch shaft bearing group 11 is the supporting mechanism of drive shaft 12, cooling system, major function can be carried
It is to ensure the high-speed rotation of drive shaft 12.
As a preferred embodiment, the wheel body of driving wheel 17 point double-layer structure, outer layer is replaceable assembly, with
Internal layer is contacted using threaded connection, outer layer with subject wheel 18, and the contact surface between two-wheeled is designed as track pattern, so as to simulate
The motion conditions in orbit of wheel 18 are tested, internal layer is connected with drive shaft 12.
Driving wheel 17 is set to double-layer structure, and one side layer structure is replaceable, is damaged in process of the test
When, it is only necessary to change layer structure；The contact surface of layer structure and subject wheel 18 is designed as orbital plane simultaneously, so may be used
The motion process in the real process of wheel 18 with rail contact is tested with accurate simulation so that test data has more authenticity
And convincingness.
As shown in Fig. 1 or 3, in order to preferably carry out fatigue loading experiment, the subject wheel 18 is by being arranged on base
Two-way slide unit 7 on seat bottom surface is fixed, wherein, the brake assemblies can be shaft brake 8.
As shown in Fig. 1 or 3, the specific of the subject wheel 18 of the present embodiment rail vehicle elastic wheel bracket loading test platform sets
It is set to, the hypomere of the two-way slide unit 7 is fixed with dynamic loading wheel shaft 10 by second bearing group 20, the dynamic loading wheel shaft 10
Upper end is connected with the shaft brake 8, and the lower end of the dynamic loading wheel shaft 10 is used to connect the subject wheel 18.
It should be noted that supporting mechanism of the second bearing group 20 for dynamic loading wheel shaft 10, second bearing group 20 carries cold
But system, major function is the high-speed rotation for ensureing dynamic loading wheel shaft 10.
The subject wheel 18 of the present embodiment rail vehicle elastic wheel bracket loading test platform is arranged on dynamic loading wheel shaft 10, is moved
Loading wheel shaft 10 is preferred to be made up of two sections, and using flange connection between two sections, the section being connected with subject wheel 18 can be more
Change, for being applicable various sizes of elastic wheel；Another section is arranged in second bearing group 20, end connection shaft brake 8,
I.e. shaft brake 8 is arranged on the afterbody of dynamic loading wheel shaft 10, and the major function of shaft brake 8 is to provide braking moment, to subject
Wheel 18 is provided can also be provided with cooling component on braking environment, shaft brake 8, facilitate for a long time or frequently provide braking
Torque.
It is easily understood that the present embodiment shaft brake 8, dynamic loading wheel shaft 10, the second axle for installing dynamic loading wheel shaft 10
Group 20 is held all on the upper mounting surface of two-way slide unit 7, the lower surface and pedestal 2 of two-way slide unit 7 are connected, and are so both simplified
Set between equipment, the position of wheel can be tested by adjusting the position adjustments of two-way slide unit 7 again；Simultaneously bi-directionally slide unit 7 with
There is the free degree of both direction between pedestal 2, be to be tested wheel 18 axially and radially respectively, two-way slide unit 7 can be simultaneously two
Individual side moves up, during fatigue loading, and two-way slide unit 7 can be with the take-off lever of loading start hydraulic cylinder 9 in motion；This
Sample, the load charging assembly by applying the axially and radially consistent active force with subject wheel to the two-way slide unit,
The two-way slide unit motion drives subject wheel extruding driving wheel, so as to simulate the effect axially and radially of the subject wheel
Power.
As shown in figure 3, the static loading component includes quiet loading wheel shaft, shaft locking device and quiet loading adapter, axle
Support base 3 is fixed on the pedestal, during static loading, and subject wheel 18 is arranged on quiet loading wheel shaft 4, quiet loading wheel
Axle 4 is arranged on axle support base 3, is fixed by shaft locking device 5, and loading start hydraulic cylinder 9 is by the quiet adapter 6 that loads by loading force
Pass to subject wheel 18.
It should be noted that subject wheel 18 is in static loading test operating mode, subject wheel 18 is set in quiet loading wheel
On axle 4, subject wheel 18 not with base into contact, namely subject wheel 18 in static loading test operating mode, subject wheel 18 by
Quiet loading wheel shaft 4 is supported, the power axially and radially applied by loading start hydraulic cylinder 9 by quiet loading adapter 6.
As shown in figure 1, as a kind of implementation, the load of the present embodiment rail vehicle elastic wheel bracket loading test platform adds
It can be hydraulic loading system to carry component, including two loading start hydraulic cylinders 9 being connected with hydraulic oil source 1, wherein, hydraulic oil
Source 1 is connected by oil well pump, servo valve, pipeline with loading start hydraulic cylinder 9, and one of start hydraulic cylinder that loads is to the quilt
Test run wheel applies axial force, and another loading start hydraulic cylinder applies radial load to the subject wheel.
As a kind of preferred embodiment, as shown in Fig. 2 the present embodiment rail vehicle elastic wheel bracket loading test platform is also wrapped
Include dust suction subassembly 16 and TT＆C system 19.
As shown in Fig. 2 dust suction subassembly 16 includes suction port, the flexible pipe being connected with suction port and the company for providing dust suction power
The industrial dust collector of hose end is connected on, wherein, the lower section of the suction port correspondence driving wheel 17 and subject wheel 18 is set, this
Dust that sample dust catcher easily can produce driving wheel 17 and subject wheel 18 in fatigue loading process of the test etc. is siphoned away,
Protection test site environment.
TT＆C system 19 be mainly used in set testing stand loading condition, control load charging assembly load output and
Wheel property indices are gathered, relative recording is carried out and exports.
The fatigue loading operating condition of test of the present embodiment rail vehicle elastic wheel bracket loading test platform is as shown in figure 1, by test run
Wheel 18 is arranged on dynamic loading wheel shaft 10, adjusts two-way slide unit 7 and driving platform 15 position so that subject wheel 18 and driving wheel
17 are brought into close contact；Meanwhile, loading start hydraulic cylinder 9 is installed in place, is connected with two-way slide unit 7.In subject wheel 18
Deformation of the periphery placement sensor collection subject wheel 18 in loading engineering.After deploying, open system is tried
Test, motor 14 is moved according to the setting speed of TT＆C system 19, drive shaft 12 and driving wheel are driven by transmission mechanism 13
17 are rotated, and subject wheel 18 is rotated with driving wheel 17, the motion of simulation elastic wheel in orbit, loading start hydraulic cylinder 9
According to the setting undulation of TT＆C system, one direction it can arbitrarily can also be loaded axially with radially loading simultaneously, in loading procedure,
Shaft brake 8 can frequent simulating brake, brake force and braking time can be set on TT＆C system 19.
Static loading test operating mode such as Fig. 3 shows that subject wheel 18 is arranged on quiet loading wheel shaft 4, adjusts quiet loading adaptation
The position of device 6 and load sensor 9, makes quiet loading adapter 6 be brought into close contact with subject wheel 18.In the subject periphery cloth of wheel 18
Put deformation of the sensor collection subject wheel 18 in loading engineering.After deploying, open system is tested, loading
Start hydraulic cylinder 9 according to the setting loading spectrum of TT＆C system load, can axially with radially simultaneously loading, also can any one direction add
Carry.
In summary, the rail vehicle elastic wheel bracket loading test platform of the present embodiment, full-featured, highly versatile can be complete
Face mould intends the property indices of examination elastic wheel, is that processing generation, performance improvement of elastic wheel etc. provide data support,
And equipment and space are effectively utilized, reduce product cost and use cost.
Elastic wheel bracket loading test platform described in the utility model is not limited in elastic wheel experiment, is not departing from this
It can make a variety of changes and expand on the premise of utility model objective, such as can be applied to identical static(al) and fatigue test demand
All kinds of mechanical structures experiment in, can play and be not described in detail in equivalent effect, the utility model.
Finally it should be noted that：Above example is 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, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model
The spirit and scope of scheme.
Claims (10)
1. a kind of rail vehicle elastic wheel bracket loading test platform, it is characterised in that：Add including pedestal, fatigue loading component, static state
Component and load charging assembly are carried,
Wherein, the load charging assembly can apply power axially and radially to subject wheel, the fatigue loading component with
And static loading component is arranged on the pedestal, the fatigue loading component includes the drive component for driving subject wheel movement
And the acceleration and deceleration of simulation subject wheel, the brake assemblies of braking, the fatigue loading component cooperation load charging assembly mould
Intend the operating mode of subject wheel movement process；
The static loading component can fix the subject wheel and coordinate the load charging assembly simulation subject wheel quiet
Operating mode during state.
2. rail vehicle elastic wheel bracket loading test platform according to claim 1, it is characterised in that：The drive component bag
Motor, the motor-driven drive shaft are included, is connected with the drive shaft and by the shaft-driven driving wheel of driving, the drive
Driving wheel contacts with the subject wheel and drives the subject wheel movement.
3. rail vehicle elastic wheel bracket loading test platform according to claim 2, it is characterised in that：Also include being arranged on institute
The driving platform on pedestal is stated, the motor drives the drive shaft by transmission mechanism, and the drive shaft passes through clutch shaft bearing
Group support is fixed,
The motor, driving wheel, drive shaft, transmission mechanism and clutch shaft bearing group are each attached on the driving platform.
4. rail vehicle elastic wheel bracket loading test platform according to claim 2, it is characterised in that：Also include being arranged on base
Two-way slide unit on seat, the lower end of the two-way slide unit is fixed with dynamic loading wheel shaft, the brake assemblies by second bearing group
For shaft brake, the upper end of the dynamic loading wheel shaft is connected with the shaft brake, and the lower end of the dynamic loading wheel shaft is used to connect
Connect the subject wheel；
The load charging assembly can apply the axially and radially consistent active force with subject wheel to the two-way slide unit,
The two-way slide unit drives subject wheel extruding driving wheel, so as to simulate the active force axially and radially of the subject wheel.
5. rail vehicle elastic wheel bracket loading test platform according to claim 4, it is characterised in that：The dynamic loading wheel shaft
Including two section up and down connected by flange, wherein, the lower section of dynamic loading wheel shaft is detachably connected with the subject wheel.
6. rail vehicle elastic wheel bracket loading test platform according to claim 1, it is characterised in that：The static loading group
Part includes axle support base, quiet loading wheel shaft, shaft locking device and quiet loading adapter,
The quiet loading wheel shaft is fixed on the pedestal by axle support base, and the subject wheel is arranged on quiet loading wheel shaft
On,
The shaft locking device is used for the subject wheel that is locked,
The quiet loading adapter is connected to the outer rim of the subject wheel, and can be connected with the load charging assembly, institute
State power of the load charging assembly by quiet loading adapter to the subject wheel application axially and radially.
7. the rail vehicle elastic wheel bracket loading test platform according to claim any one of 1-6, it is characterised in that：It is described to carry
Lotus charging assembly includes two loading start hydraulic cylinders, and one of loading start hydraulic cylinder applies axially to the subject wheel
Power, another loading start hydraulic cylinder applies radial load to the subject wheel.
8. rail vehicle elastic wheel bracket loading test platform according to claim 2, it is characterised in that：The driving wheel is logical
The double-layer structure of threaded connection is crossed, the outer layer of the driving wheel is used to contact with the subject wheel, and the driving wheel is outer
The contact surface of layer and the subject wheel is track structure；
The internal layer of the driving wheel is fixedly connected with drive shaft.
9. rail vehicle elastic wheel bracket loading test platform according to claim 2, it is characterised in that：Also include TT＆C system
And dust suction subassembly, the TT＆C system is used for the action for controlling the fatigue loading component and load charging assembly, and adopts
The performance indications of collection subject wheel, carry out relative recording and export；
The suction port of the dust suction subassembly is arranged on the lower section of the driving wheel and subject wheel contact position.
10. rail vehicle elastic wheel bracket loading test platform according to claim 1, it is characterised in that：Correspondence clutch shaft bearing
Group, second bearing group and shaft brake are respectively arranged with cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472863.XU CN206410874U (en) | 2016-12-30 | 2016-12-30 | A kind of rail vehicle elastic wheel bracket loading test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472863.XU CN206410874U (en) | 2016-12-30 | 2016-12-30 | A kind of rail vehicle elastic wheel bracket loading test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206410874U true CN206410874U (en) | 2017-08-15 |
Family
ID=59552501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621472863.XU Withdrawn - After Issue CN206410874U (en) | 2016-12-30 | 2016-12-30 | A kind of rail vehicle elastic wheel bracket loading test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206410874U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769120A (en) * | 2016-12-30 | 2017-05-31 | 北京强度环境研究所 | A kind of rail vehicle elastic wheel bracket loading test platform |
| CN112964487A (en) * | 2021-03-19 | 2021-06-15 | 中车青岛四方车辆研究所有限公司 | Tread brake unit test bench |
-
2016
- 2016-12-30 CN CN201621472863.XU patent/CN206410874U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769120A (en) * | 2016-12-30 | 2017-05-31 | 北京强度环境研究所 | A kind of rail vehicle elastic wheel bracket loading test platform |
| CN106769120B (en) * | 2016-12-30 | 2023-08-29 | 北京强度环境研究所 | Railway vehicle elastic wheel loading test bed |
| CN112964487A (en) * | 2021-03-19 | 2021-06-15 | 中车青岛四方车辆研究所有限公司 | Tread brake unit test bench |
| CN112964487B (en) * | 2021-03-19 | 2022-05-17 | 中车青岛四方车辆研究所有限公司 | Tread brake unit test bench |
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