CN203100892U - Wheel-track rolling contact testing device - Google Patents
Wheel-track rolling contact testing device Download PDFInfo
- Publication number
- CN203100892U CN203100892U CN 201320065429 CN201320065429U CN203100892U CN 203100892 U CN203100892 U CN 203100892U CN 201320065429 CN201320065429 CN 201320065429 CN 201320065429 U CN201320065429 U CN 201320065429U CN 203100892 U CN203100892 U CN 203100892U
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- China
- Prior art keywords
- wheel
- underframe
- rolling contact
- upper frame
- carbon brush
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Abstract
The utility model provides a wheel-track rolling contact testing device. The wheel-track rolling contact testing device comprises a bracket, a regulating upper frame, a regulating bottom frame, a track wheel, wheels, an acceleration sensor and a sound wave detector; a vertical spout is arranged in the bracket, the regulating upper frame is inserted into the vertical spout and fixed on the bracket through a fastening bolt, the wheel axle of the wheel is rotatably connected with the regulating upper frame, the regulating bottom frame is positioned below the regulating upper frame and arranged on the bracket, the wheel axle of the track wheel is rotatably connected with the regulating bottom frame; the acceleration sensor is fixed on the spoke surface of the wheel, the probe of the sound wave detector is aligned with the top of the track wheel, the wheel axle of the track wheel is parallel to the wheel axle of the wheel. The vibration condition of the wheel can be detected through the acceleration sensor, and the noise produced by the wheel and the track wheel can be effectively detected through the sound wave detector, so that the testing on the wheel-track rolling contact test is convenient to realize, the testing cost is reduced, and the continuous testing in long time can be performed.
Description
Technical field
The utility model relates to a kind of measurement mechanism, relates in particular to a kind of wheel track rolling contact test device.
Background technology
Railway traffic is owing to the reason of himself noise qualities and train line arrangements, can bring the pollution from environmental noise problem, and then badly influencing circuit periphery resident's the sleep and the traffic environment in city, this is just hampering the fast development of railway traffic to a certain extent.Wheel-rail noise in the railroad noise is got in touch the closelyst because it mainly occurs in the scope of train speed per hour 30-300 kilometer with inter-city high-speed rail and urban track traffic, and it is main relevant with the wheel track contact process that it produces reason.Therefore study the parameter such as shape, size, material of wheel and track and the contact relation between wheel track to the mechanism of production of exploring wheel-rail noise and develop corresponding vibration and noise reducing measure tool and play a very important role.At present, usually utilize real vehicle in the enterprising road wheel rail of traffic track rolling contact test, can obtain true and reliable test figure though utilize real vehicle to carry out testing on the line, but owing to its testing cost height, length consuming time, and can influence normal railway operation, cause wheel track rolling contact test test difficulty.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of wheel track rolling contact test device is provided, solve the defective of wheel track rolling contact test test difficulty in the prior art, realize wheel track rolling contact test being tested by wheel track rolling contact test device is convenient.
The technical scheme that the utility model provides is that a kind of wheel track rolling contact test device comprises support, regulates upper frame, regulates underframe, rail wheel, wheel, acceleration transducer and acoustic detector; Described support is provided with vertical chute, described adjusting upper frame is inserted in the described vertical chute by fastening bolt and is fixed on the described support, the wheel shaft of described wheel is rotating to be connected on the described adjusting upper frame, described adjusting underframe is positioned at the below of described adjusting upper frame and is arranged on the described support, and the wheel shaft of described rail wheel is rotating to be connected on the described adjusting underframe; Described acceleration transducer is fixed on the spoke face of described wheel, and the probe of described acoustic detector aligns with the top of described rail wheel, and the wheel shaft of described rail wheel is parallel with the wheel shaft of described wheel.
Further, the wheel shaft of described wheel is provided with the signal conduction device, and described signal conduction device comprises carbon brush, carbon brush mounting disc, slip ring and slip ring mounting disc; Described carbon brush is fixed in the described carbon brush mounting disc, described slip ring is fixed in the described slip ring mounting disc, described carbon brush mounting disc is fixed on the wheel shaft of described wheel, described slip ring mounting disc is enclosed within on the wheel shaft of described wheel and is fixed on the described adjusting upper frame, described carbon brush is resisted against on the described slip ring, and the signal wire of described acceleration transducer is connected with described carbon brush.
Further, also be fixedly connected with belt pulley on the wheel shaft of described wheel.
Further, described adjusting underframe comprises horizontal underframe and vertical underframe, described horizontal underframe slidably is connected on the described support along the wheel direction of principal axis of described rail wheel, and described vertical underframe slidably is connected on the described horizontal underframe along the wheel direction of principal axis perpendicular to described rail wheel.
Further, be pasted with damping layer on the spoke face of described rail wheel.
The wheel track rolling contact test device that the utility model provides, simulate the wheel of true train and the running status of track by adopting wheel and rail wheel, and can detect the vibration situation of wheel by acceleration transducer, and can effectively detect the noise that wheel and rail wheel produce by acoustic detector, realize easily wheel track rolling contact test is tested, reduce testing cost, and can carry out the long-time continuous test.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model wheel track rolling contact test device embodiment;
Fig. 2 is the assembling stereogram of the utility model wheel track rolling contact test device embodiment middle part sub-unit;
Fig. 3 is the structural representation of signal conduction device among the utility model wheel track rolling contact test device embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1-Figure 3, present embodiment wheel track rolling contact test device comprises support 1, regulates upper frame 2, regulates underframe 3, rail wheel 4, wheel 5, acceleration transducer 6 and acoustic detector 7; Support 1 is provided with vertical chute 11, adjusting upper frame 2 is inserted in the vertical chute 11 by fastening bolt 21 and is fixed on the support 1, rotating being connected of the wheel shaft of wheel 5 regulated on the upper frame 2, adjusting underframe 3 is positioned at the below of regulating upper frame 2 and is arranged on the support 1, and rotating being connected of the wheel shaft of rail wheel 4 is regulated on the underframe 2; Acceleration transducer 6 is fixed on the spoke face of wheel 5, and the probe 71 of acoustic detector 7 aligns with the top of rail wheel 4, and the wheel shaft of rail wheel 4 is parallel with the wheel shaft of wheel 5.
Particularly, present embodiment wheel track rolling contact test device is equipped with the wheel 5 of the test usefulness identical with material with the wheel diameters of train, and wheel 5 can cooperate simulation train actual motion state with rail wheel 4.In use, by loose bolts 21 adjusting upper frame 2 can be moved up and down, wheel 5 is resisted against on the rail wheel 4, on the contact point of wheel 5 and rail wheel 4, paste pressure transducer then, by placing pouring weight on the upper frame 2 and increase lateral pressure between wheel 5 and the rail wheel 4 regulating, or regulate upper frame 2 and reduce lateral pressure between wheel track by raising, after the output signal for the treatment of pressure transducer meets the demands, remove pressure transducer, under the prerequisite that guarantees adjusting upper frame 2 horizontal positioned, again bolt 21 is tightened the force value of guaranteeing between wheel 5 and the rail wheel 4.Rotate by external driver device drive wheels 5, just can measure wheel 5 vibration situations in the wheel track rolling process by acceleration transducer 6, and measure the wheel-rail noise that produces in the wheel track rolling process by acoustic detector 7, finish wheel track rolling contact test.Wherein, and also be fixedly connected with belt pulley 51 on the wheel shaft of wheel 5, external driver device, for example motor can be with wheel 5 to rotate by belt drives belt pulley 51.In addition, be pasted with damping layer 41 on the spoke face of rail wheel 4.
Further, the signal that degree of will speed up sensor 6 is for convenience measured transfers to outside main control computer, outer the drawing on the wheel shaft that signal wire is wrapped in wheel 5 of avoiding occurring acceleration transducer 6, the wheel shaft of wheel 5 is provided with signal conduction device 8, and signal conduction device 8 comprises carbon brush 81, carbon brush mounting disc 82, slip ring 83 and slip ring mounting disc 84; Carbon brush 81 is fixed in the carbon brush mounting disc 82, slip ring 83 is fixed in the slip ring mounting disc 84, carbon brush mounting disc 82 is fixed on the wheel shaft of wheel 5, slip ring mounting disc 84 is enclosed within on the wheel shaft of wheel 5 and is fixed on and regulates on the upper frame 2, carbon brush 81 is resisted against on the slip ring 83, and the signal wire of acceleration transducer 6 is connected with carbon brush 81.Concrete, in wheel 5 rotation processes, carbon brush mounting disc 82 is carried carbon brush 81 and is together rotated with wheel 5, and the signal that acceleration transducer 6 is exported is passed to slip ring 83 by carbon brush 81, then by slip ring 83 with signal conveys to main control computer.
Further, regulate underframe 3 and comprise horizontal underframe 31 and vertical underframe 32, laterally underframe 31 slidably is connected on the support 1 along the wheel direction of principal axis of rail wheel 4, and vertically underframe 32 slidably is connected on the horizontal underframe 31 along the wheel direction of principal axis perpendicular to rail wheel 4.Concrete, according to requirement, regulate attack angle between wheel and rail, the relative cross offset amount when regulating the wheel track contact by moving vertical underframe 32 by moving horizontal underframe 31 to wheel-rail contact relationship.
Present embodiment wheel track rolling contact test device, simulate the wheel of true train and the running status of track by adopting wheel and rail wheel, and can detect the vibration situation of wheel by acceleration transducer, and can effectively detect the noise that wheel and rail wheel produce by acoustic detector, realize easily wheel track rolling contact test is tested, reduce testing cost, and can carry out the long-time continuous test.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (5)
1. a wheel track rolling contact test device is characterized in that, comprises support, regulates upper frame, regulates underframe, rail wheel, wheel, acceleration transducer and acoustic detector; Described support is provided with vertical chute, described adjusting upper frame is inserted in the described vertical chute by fastening bolt and is fixed on the described support, the wheel shaft of described wheel is rotating to be connected on the described adjusting upper frame, described adjusting underframe is positioned at the below of described adjusting upper frame and is arranged on the described support, and the wheel shaft of described rail wheel is rotating to be connected on the described adjusting underframe; Described acceleration transducer is fixed on the spoke face of described wheel, and the probe of described acoustic detector aligns with the top of described rail wheel, and the wheel shaft of described rail wheel is parallel with the wheel shaft of described wheel.
2. wheel track rolling contact test device according to claim 1 is characterized in that the wheel shaft of described wheel is provided with the signal conduction device, and described signal conduction device comprises carbon brush, carbon brush mounting disc, slip ring and slip ring mounting disc; Described carbon brush is fixed in the described carbon brush mounting disc, described slip ring is fixed in the described slip ring mounting disc, described carbon brush mounting disc is fixed on the wheel shaft of described wheel, described slip ring mounting disc is enclosed within on the wheel shaft of described wheel and is fixed on the described adjusting upper frame, described carbon brush is resisted against on the described slip ring, and the signal wire of described acceleration transducer is connected with described carbon brush.
3. wheel track rolling contact test device according to claim 1 and 2 is characterized in that, also is fixedly connected with belt pulley on the wheel shaft of described wheel.
4. wheel track rolling contact test device according to claim 1 and 2, it is characterized in that, described adjusting underframe comprises horizontal underframe and vertical underframe, described horizontal underframe slidably is connected on the described support along the wheel direction of principal axis of described rail wheel, and described vertical underframe slidably is connected on the described horizontal underframe along the wheel direction of principal axis perpendicular to described rail wheel.
5. wheel track rolling contact test device according to claim 1 and 2 is characterized in that, is pasted with damping layer on the spoke face of described rail wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065429 CN203100892U (en) | 2013-02-05 | 2013-02-05 | Wheel-track rolling contact testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065429 CN203100892U (en) | 2013-02-05 | 2013-02-05 | Wheel-track rolling contact testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203100892U true CN203100892U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320065429 Expired - Fee Related CN203100892U (en) | 2013-02-05 | 2013-02-05 | Wheel-track rolling contact testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203100892U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674233A (en) * | 2013-12-13 | 2014-03-26 | 长安大学 | Tire and road surface noise whole-sound-field testing device |
| CN111089738A (en) * | 2019-12-31 | 2020-05-01 | 南京工大桥隧与轨道交通研究院有限公司 | Wheel-rail matching state identification method based on noise signals |
-
2013
- 2013-02-05 CN CN 201320065429 patent/CN203100892U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674233A (en) * | 2013-12-13 | 2014-03-26 | 长安大学 | Tire and road surface noise whole-sound-field testing device |
| CN111089738A (en) * | 2019-12-31 | 2020-05-01 | 南京工大桥隧与轨道交通研究院有限公司 | Wheel-rail matching state identification method based on noise signals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20150205 |
|
| EXPY | Termination of patent right or utility model |