CN206387587U - A kind of wheel rail relation testing research testing stand - Google Patents
A kind of wheel rail relation testing research testing stand Download PDFInfo
- Publication number
- CN206387587U CN206387587U CN201621248554.4U CN201621248554U CN206387587U CN 206387587 U CN206387587 U CN 206387587U CN 201621248554 U CN201621248554 U CN 201621248554U CN 206387587 U CN206387587 U CN 206387587U
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- testing stand
- actuator
- bogie
- rail
- longitudinal
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 238000011160 research Methods 0.000 title claims abstract description 9
- 230000003278 mimic effect Effects 0.000 claims abstract description 12
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Abstract
A kind of wheel rail relation testing research testing stand, including motor, bogie, rail mimic panel, half car quality simulating device, it is vertical, longitudinal direction, horizontal exciting actuator, motor shaft connects rail mimic panel, bogie is located at directly over rail mimic panel, the vertical exciting actuator of connection on the upside of bogie frame corner, bogie frame front end both sides are connected with longitudinal exciting actuator respectively, two axle box covers are connected with horizontal exciting actuator respectively on the right side of bogie, half car quality simulating device is housed on truck bolster, half car quality simulating device is fixed on testing stand framework, the present apparatus can more truly simulate the High-speed Wheel/Rail relationship behavior under various operating modes under lab, can simulating vehicle operation 500km/h speed per hours under wheel rail relation operating mode, testing stand maximum vertical force loading reaches 100kN, maximum transverse force reaches 50kN, peak frequency can arrive 30Hz.
Description
Technical field
The utility model is related to a kind of rail vehicle experimental provision, more particularly, to a kind of high speed railway car wheel rail relation
Testing research testing stand.
Background technology
Wheel rail relation is a major issue in Rail Transit System, with the rapid development of economy, China railways are outstanding
Its high-speed railway enters Rapid development stage, and high-speed railway has surmounted the technology category of conventional railway, be one it is comprehensive it is strong,
The system engineering of multidisciplinary composition.The wheel rail relation problem of high-speed railway directly influences the performance of locomotive traction power, wheel track
It is one of key technology of high-speed railway in terms of surface damage, train operation stability, train braking.The operation of train
It is the traction and braking adhesion frictional force produced by wheel-rail interaction and realizes, wheel high speed scroll in orbit, due to
The many factors influence such as the taper and track curves of wheel tread, ramp, has various forms of creep phenomenons, simultaneously because
The effect of traction and braking adhesion frictional force between wheel track so that the effect between wheel track turns into a kind of rolling of complexity the most
Form, its interaction process is a very complicated tribology process.
It is also difficult to assess High-Speed Wheel/Rail Systems structure and performance only according to theory according to existing knowledge, in general all
Need to carry out substantial amounts of experimental study, designed with obtaining reliable test data to Instructing manufacture.Typically now use circuit
The method of operation test is estimated to high speed railway car wheel rail relation, although circuit experimental method has higher reliable
Property, but its expensive, duration is long, influences big to normal railway operation, while being also difficult to control to use condition.
The content of the invention
The purpose of this utility model is to provide a kind of wheel rail relation testing research testing stand, by rail vehicle truck
Half car quality simulating device is equipped with above, wheel/rail simulation disk is equipped with below, truly can simulate high-speed track in laboratory
Wheel rail relation and its fretting wear situation in vehicle movement, by laterally, longitudinal direction, vertical application exciting obtain it is more accurate,
Detailed experimental data, so as to provide more reliable test data with safeguarding for the design production of high-speed railway wheel track.
To achieve the above object, the utility model provides a kind of wheel rail relation testing research testing stand, it is characterised in that：Bag
Include motor, testing stand framework, bogie, rail mimic panel, half car quality simulating device, vertical exciting actuator, longitudinal exciting
Actuator, horizontal exciting actuator, one end of motor shaft are connected with rail mimic panel, bogie positioned at rail mimic panel just on
Vertical exciting actuator is housed, vertical exciting actuator upper end is fixed on testing stand framework above side, bogie frame corner
On crossbeam, bogie frame front end both sides are connected with longitudinal exciting actuator respectively, and longitudinal exciting actuator other end is fixed
On crossbeam, two axle box covers are connected with horizontal exciting actuator respectively on the right side of bogie on front side of testing stand framework, transverse direction swashs
Actuator of the shaking other end is fixed on the right side of testing stand framework on crossbeam, and half car quality simulating device, mould are housed on truck bolster
Intend two longitudinal rods of connection on rear side of the actual mass of true car, half car quality simulating device, the longitudinal rod other end is fixed on examination
Test after platform framework on end floor beam, one transverse link of connection on the right side of half car quality simulating device, the transverse link other end is mounted in examination
Test on platform framework right-hand member longeron.
Half described car quality simulating device is provided with counterweight, the counterweight for adjusting half car quality simulating device.Half car
It is connected on rear side of quality simulating device with two longitudinal rods, right side is connected with transverse link.
Described testing stand framework, which has, is provided with front end cross beam, right-hand member crossbeam, entablature, rear end on four root posts, column
Crossbeam, right-hand member longeron, are respectively used to fixed longitudinal actuator, horizontal actuator, vertical actuator, longitudinal rod, transverse link,
And then half car quality simulating device is connected by longitudinal rod and transverse link.
The utility model has the beneficial effect that：
First, using true steering framing wheel pair, rail mimic panel is connected with motor, can simulate relative between High-speed Wheel/Rail
Movement velocity, can simulating vehicle operation 500km/h speed per hours under wheel rail relation operating mode, High-speed Wheel/Rail relation experiment can be carried out.
2nd, the vertical vertical exciting of exciting actuator, the horizontal horizontal exciting of exciting actuator and longitudinal exciting start are passed through
Device longitudinal direction exciting, can more truly simulate the High-speed Wheel/Rail relationship behavior under various operating modes under lab.Testing stand is most
Big vertical force loading reaches 100kN, and maximum transverse force reaches 50kN, and peak frequency can arrive 30Hz.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the structural representation that the utility model removes testing stand framework；
Fig. 3 is the structural representation of half car quality simulating device in the utility model；
Fig. 4 is the structural representation of the utility model testing stand framework.
Embodiment
One dc motor 2, the one end of dc motor 2 are respectively installed on reference picture 1, Fig. 2, Fig. 3, Fig. 4, motor support base 1
It is connected with rail mimic panel 3, bogie 5 is taken turns to be divided on the upside of the surface for being pointed to rail mimic panel 3, the framework corner of bogie 5
Vertical actuator 7, the vertical other end of actuator 7 and testing stand framework entablature 8,9 phases are not provided with by three-dimensional force sensor 6
Even, the framework front end of bogie 5 is connected with two longitudinal actuator 10 respectively, longitudinal other end of actuator 10 and testing stand framework
Front end cross beam 11 is connected, and the right side axle box of bogie 5 connects two horizontal actuator 12 respectively, and two horizontal actuator 12 are another
End is connected with testing stand framework right-hand member crossbeam 13, and half car quality simulating device 14, half car quality are housed on the upside of the bolster of bogie 5
The rear side of analogue means 14 is connected with two longitudinal rods 15, the other end of longitudinal rod 15 and the phase of end floor beam 16 after testing stand framework
Connection.
Reference picture 3, half car quality simulating device is provided with counterweight 19, the counterweight for adjusting half car quality simulating device.
The rear side of half car quality simulating device 14 is connected with two longitudinal rods 15, and right side is connected with transverse link 17.
Reference picture 4, testing stand framework have be provided with four root posts 20, column 20 front end cross beam 11, right-hand member crossbeam 13, on
Crossbeam 8,9, rear end floor beam 16, right-hand member longeron 18, are respectively used to fixed longitudinal actuator 10, horizontal actuator 12, vertical start
Device 7, longitudinal rod 15, transverse link 17, and then half car quality simulating device 14 is connected by longitudinal rod and transverse link.
During experiment, photoelectric encoder 4 is installed on the upside of the other end of dc motor 2, the framework corner of bogie 5 respectively
One three-dimensional force sensor 6 is installed, controls dc motor to rotate by control system, steering framing wheel is driven to rotation, then lead to
Cross control system control horizontal, vertical, vertical three direction actuator and power and load are implemented to bogie loading, exist so as to simulate bogie
Operation on circuit.When bogie is run, relation between the data between wheel track, analysis wheel track is measured by three-dimensional force sensor.
By photoelectric encoder, so as to carry out accurate measurement and feedback control, simulating wheel and rail to the rotating speed of dc motor
The rotating speed of mimic panel is accurate so that measurement data is more accurate, reliable with result.
Claims (3)
1. a kind of wheel rail relation testing research testing stand, it is characterised in that：Including motor, testing stand framework, bogie, rail mould
Intend disk, half car quality simulating device, vertical exciting actuator, longitudinal exciting actuator, horizontal exciting actuator, the one of motor shaft
End is connected with rail mimic panel, and bogie is located above the surface of rail mimic panel, bogie frame corner to swash equipped with vertical
Shake actuator, vertical exciting actuator upper end is fixed on testing stand framework entablature, bogie frame front end both sides respectively with
Longitudinal exciting actuator is connected, and longitudinal exciting actuator other end is fixed on front side of testing stand framework on crossbeam, and bogie is right
The axle box cover of side two is connected with horizontal exciting actuator respectively, and it is right that the horizontal exciting actuator other end is fixed on testing stand framework
On the crossbeam of side, half car quality simulating device is housed on truck bolster, simulates the actual mass of true car, half car quality simulating device
Rear side connects two longitudinal rods, and the longitudinal rod other end is fixed on after testing stand framework on end floor beam, half car quality simulating dress
One transverse link of right side connection is put, the transverse link other end is on testing stand framework right-hand member longeron.
2. a kind of wheel rail relation testing research testing stand according to claim 1, it is characterised in that：Half described car quality
Analogue means is provided with rear side of counterweight, half car quality simulating device to be connected with two longitudinal rods, right side and transverse link phase
Connection.
3. a kind of wheel rail relation testing research testing stand according to claim 1, it is characterised in that：Described testing stand structure
Frame, which has, is provided with front end cross beam, right-hand member crossbeam, entablature, rear end floor beam, right-hand member longeron on four root posts, column, be respectively used to
Fixed longitudinal direction actuator, horizontal actuator, vertical actuator, longitudinal rod, transverse link, and then pass through longitudinal rod and transverse direction
Connecting rod connects half car quality simulating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621248554.4U CN206387587U (en) | 2016-11-17 | 2016-11-17 | A kind of wheel rail relation testing research testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621248554.4U CN206387587U (en) | 2016-11-17 | 2016-11-17 | A kind of wheel rail relation testing research testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206387587U true CN206387587U (en) | 2017-08-08 |
Family
ID=59486569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621248554.4U Expired - Fee Related CN206387587U (en) | 2016-11-17 | 2016-11-17 | A kind of wheel rail relation testing research testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206387587U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370443A (en) * | 2016-11-17 | 2017-02-01 | 中车长春轨道客车股份有限公司 | Wheel-rail relation test research test bench |
| CN108680369A (en) * | 2018-06-26 | 2018-10-19 | 西南交通大学 | Extremely cold environmentally conscious materials wear simulation device |
| CN110146309A (en) * | 2019-06-27 | 2019-08-20 | 东北大学 | A kind of wheel track testing stand based on wheel-to-rail contact |
| US11067480B2 (en) | 2018-06-21 | 2021-07-20 | Hunan University Of Science And Technology | Half-car floating device based on load feedback and half-car position tracking method |
-
2016
- 2016-11-17 CN CN201621248554.4U patent/CN206387587U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370443A (en) * | 2016-11-17 | 2017-02-01 | 中车长春轨道客车股份有限公司 | Wheel-rail relation test research test bench |
| US11067480B2 (en) | 2018-06-21 | 2021-07-20 | Hunan University Of Science And Technology | Half-car floating device based on load feedback and half-car position tracking method |
| CN108680369A (en) * | 2018-06-26 | 2018-10-19 | 西南交通大学 | Extremely cold environmentally conscious materials wear simulation device |
| CN110146309A (en) * | 2019-06-27 | 2019-08-20 | 东北大学 | A kind of wheel track testing stand based on wheel-to-rail contact |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |