CN210834205U - Bogie no-load test driving wheel friction adjusting device - Google Patents
Bogie no-load test driving wheel friction adjusting device Download PDFInfo
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- CN210834205U CN210834205U CN201922297461.0U CN201922297461U CN210834205U CN 210834205 U CN210834205 U CN 210834205U CN 201922297461 U CN201922297461 U CN 201922297461U CN 210834205 U CN210834205 U CN 210834205U
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Abstract
The friction force adjusting device for the driving wheel in the bogie no-load test comprises a friction wheel, the friction wheel is installed on a friction wheel supporting seat, the friction wheel adjusting device further comprises a base, the friction wheel supporting seat is installed on the base, the base further comprises an adjusting mechanism, and the adjusting mechanism can drive the friction wheel to do reciprocating linear motion relative to the bogie wheel pair in the horizontal direction. The friction wheel can be driven to do reciprocating linear motion relative to the horizontal direction of the bogie wheel pair through the adjusting mechanism, so that the friction force between the friction wheel and the bogie wheel pair can be adjusted at any time, the friction wheel and the bogie wheel pair can be effectively prevented from slipping to lose power, and the running speed of the bogie wheel pair can be controlled.
Description
Technical Field
The utility model relates to a track traffic technical field, in particular to bogie empty test drive wheel frictional force adjusting device.
Background
The subway bogie is used as a core component of a subway vehicle, and the performance of the subway bogie is directly related to the safety and the comfort of the subway vehicle. After the bogie is manufactured and assembled, it needs to be subjected to an empty test to determine whether the bogie meets a predetermined specification. In the no-load test process of the bogie, the bogie wheel set needs to be provided with power; in the prior art, a driving friction wheel is mostly contacted with a bogie wheel pair, the bogie wheel pair is driven to operate by using the friction force between the driving friction wheel and the bogie wheel pair, and the friction force between the driving friction wheel and the bogie wheel pair needs to be adjusted in real time in order to control the operating speed of the bogie wheel pair and prevent the friction wheel and the bogie wheel pair from slipping and losing power.
Through patent search, the same patent literature disclosure as the present patent is not found, and the following documents are relevant to the present patent:
1. the utility model discloses a utility model patent with the application number of CN201510378654.2 and the name of vehicle bogie comprehensive test bed, which discloses a vehicle bogie comprehensive test bed, comprising a base, a static load test device, a running-in test device and a lifting support system, wherein the static load test device, the running-in test device and the lifting support system are arranged on the base; the static load test device comprises a portal frame, a pressing device and fixed steel rails, wherein the tops of the fixed steel rails are used for supporting wheel outer side treads of a vehicle bogie, and a pressure sensor is arranged in a rail groove of each fixed steel rail; the running-in test device comprises a running-in system and a lifting mechanism, wherein a friction wheel of the running-in system is positioned right below an inner side wheel rim at the bottom of the wheel; each wheel of the vehicle bogie is provided with a fixed steel rail and a running-in test device, and the lifting support system is positioned right below the mass center of the vehicle bogie. The test stand disclosed in this reference mainly performs a static load test and a running-in test for a bogie, does not perform a no-load test, and does not include a friction force adjusting device between a driving wheel and a bogie wheel.
2. The utility model patent with the application number "CN 201080018499.9", entitled "detection method for a bogie and detection and assembly test stand", discloses a detection method for a bogie (12) and a detection test stand suitable for implementing the method, which is also suitable as an assembly test stand for dismounting and mounting structural components of the corresponding bogie. According to the proposed solution, the load occurring on the bogie (12) during its intended use is simulated on the still unfinished bogie (12) on a test bench designed for this purpose, as is known. In this case, forces are introduced into the bogie (12), such as these forces as a result of the weight of the vehicle cabin and as a result of other load states caused by operation when the bogie is in operational use. The effect of these load states on the bogie (12) and/or on the track traveled by the bogie (12) is described by measured values which are obtained by means of measured value sensors and are processed in a computational manner. The test method for a bogie disclosed in this reference is also tested for its load and does not include a device for adjusting the friction between the drive wheels and the bogie wheels.
3. The utility model discloses a utility model patent of application number "CN 201120317686.9", the name is "rail vehicle bogie dynamic test platform brake test device", discloses a can carry out the experimental rail vehicle bogie dynamic test platform brake test device of braking operating mode performance to the EMUs bogie after preparation, maintenance, including the base, fix portal frame on the base, guide rail and the driving motor of fixing on the base, with the rail wheel that driving motor links to each other installs loading cylinder on the portal frame, with loading adapter that loading cylinder links to each other fixes cutting device and the stopper on the base. The test apparatus disclosed in this reference is directed to a dynamic load test of a bogie, and does not include a friction force adjusting apparatus between a driving wheel and a bogie wheel.
Therefore, the device for adjusting the friction force of the driving wheel in the no-load test of the bogie has great significance in the technical field.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
the friction force adjusting device for the driving wheel in the bogie no-load test comprises a friction wheel, the friction wheel is installed on a friction wheel supporting seat, the friction wheel supporting seat is installed on a base, the base further comprises an adjusting mechanism, and the adjusting mechanism can drive the friction wheel to do reciprocating linear motion relative to the bogie wheel pair in the horizontal direction.
Furthermore, the friction wheel is arranged on the lower side of the bogie wheel pair, the adjusting mechanism is positioned on one side of the friction wheel supporting seat, and the adjusting mechanism drives the friction wheel to do reciprocating linear motion relative to the horizontal direction of the bogie wheel pair.
Furthermore, a slide rail is arranged on the base, the adjusting mechanism is provided with a free end, and the free end is connected with the friction wheel supporting seat and can push the friction wheel supporting seat to do reciprocating linear motion along the slide rail relative to the horizontal direction of the bogie wheel.
Furthermore, the adjusting mechanism comprises a first wedge block and a second wedge block which are oppositely arranged, and opposite inner sides of the first wedge block and the second wedge block are provided with V-shaped inclined surfaces; a lower pressing plate is arranged between the first wedge-shaped block and the second wedge-shaped block, two end faces of the lower pressing plate are inclined planes matched with the V-shaped inclined planes, and two end faces of the lower pressing plate are in surface contact with the V-shaped inclined planes;
the wedge block II is movable, the wedge block I is fixedly arranged on the base, and the lower pressing plate can vertically move downwards along the V-shaped inclined surface to push the wedge block II to do reciprocating linear motion in the horizontal direction relative to the bogie wheel pair.
Furthermore, the free end of the adjusting mechanism is a spring, two ends of the spring are fixedly connected with the second wedge block and the side face of the friction wheel supporting seat respectively, and the second wedge block is pulled back linearly in the direction away from the bogie wheel pair under the effect of resilience force of the spring when the lower pressing plate vertically moves upwards along the V-shaped inclined plane.
Furthermore, a threaded hole is formed in the center of the lower pressing plate, an adjusting screw penetrates through the threaded hole of the lower pressing plate, extends towards the inside of the V-shaped inclined plane and is fixedly connected with the base, and an adjusting nut is further sleeved on the portion, exposed out of the threaded hole, of the adjusting screw.
The utility model has the advantages of it is following:
1. the friction wheel can be driven to do reciprocating linear motion relative to the horizontal direction of the bogie wheel pair through the adjusting mechanism, so that the friction force between the friction wheel and the bogie wheel pair can be adjusted at any time, the friction wheel and the bogie wheel pair can be effectively prevented from slipping to lose power, and the running speed of the bogie wheel pair can be controlled.
Drawings
FIG. 1 is a schematic structural diagram of a friction force adjusting device of a driving wheel in a bogie no-load test;
FIG. 2 is a side view of the structure of the friction force adjusting device of the driving wheel of the bogie no-load test;
fig. 3 is a schematic structural diagram of the bogie no-load test device.
Detailed Description
In order that those skilled in the art can fully practice the invention, the following detailed description will be given with reference to the accompanying drawings.
As shown in fig. 1, the driving wheel friction force adjusting device for the bogie no-load test comprises a friction wheel 1, wherein the friction wheel 1 is mounted on a friction wheel support seat 2, the driving wheel friction force adjusting device further comprises a base 3, the friction wheel support seat 2 is mounted on the base 3, and the base 3 further comprises an adjusting mechanism which can drive the friction wheel 1 to make reciprocating linear motion relative to the bogie wheel pair 4 in the horizontal direction. The friction wheel can be driven to do reciprocating linear motion relative to the horizontal direction of the bogie wheel pair through the adjusting mechanism, so that the friction force between the friction wheel and the bogie wheel pair can be adjusted at any time, the friction wheel and the bogie wheel pair can be effectively prevented from slipping to lose power, and the running speed of the bogie wheel pair can be controlled.
The friction wheel 1 is arranged on the lower side of the bogie wheel set 4, the adjusting mechanism is located on one side of the friction wheel supporting seat 2, and the adjusting mechanism drives the friction wheel 1 to do reciprocating linear motion relative to the bogie wheel set 4 in the horizontal direction. The friction torque between the friction wheel 2 and the bogie wheel pair can obtain larger and more stable friction force by utilizing the self weight of the bogie wheel pair 4.
The base 3 is provided with a sliding rail, the adjusting mechanism is provided with a free end, and the free end is connected with the friction wheel supporting seat 2 and can push the friction wheel supporting seat 2 to do reciprocating linear motion along the sliding rail relative to the bogie wheel set 4 in the horizontal direction, so that the friction force between the friction wheel 1 and the bogie wheel set 4 is adjusted.
As shown in fig. 2 and 3, the adjusting mechanism comprises a first wedge block 5 and a second wedge block 6 which are oppositely arranged, and opposite inner sides of the first wedge block 5 and the second wedge block 6 are provided with V-shaped inclined surfaces; a lower pressing plate 7 is arranged between the first wedge-shaped block 5 and the second wedge-shaped block 6, two end faces of the lower pressing plate 7 are inclined planes matched with the V-shaped inclined planes, and two end faces of the lower pressing plate 7 are in surface contact with the V-shaped inclined planes;
the second wedge-shaped block 6 is movable and can slide along the direction of the slide rail on the base 3 relative to the bogie wheel pair 4. The wedge block I5 is welded on the base 3, and the lower pressing plate 7 can vertically move downwards along the V-shaped inclined surface to push the wedge block II 6 to do reciprocating linear motion relative to the horizontal direction of the bogie wheel pair 4.
The free end of the adjusting mechanism is a spring 8, two ends of the spring 8 are fixedly connected with the second wedge-shaped block 6 and the side face of the friction wheel supporting seat 2 respectively, and the second wedge-shaped block 6 is pulled back linearly in a direction away from the bogie wheel pair 4 under the effect of resilience force of the spring 8 when the lower pressing plate 7 moves vertically upwards along the V-shaped inclined plane. When the friction force needs to be increased, the lower pressing plate 7 pushes the second wedge block 6 to move towards the direction of the friction wheel supporting seat 2, the spring 8 is pressed to push the friction wheel supporting seat 2 towards the bogie wheel pair 4 so as to increase the friction force, otherwise, the lower pressing plate 7 can be lifted, and the second wedge block 6 is pulled back linearly in the direction away from the bogie wheel pair 4 under the action of the resilience force of the spring 8 so as to reduce the friction force.
The center of the lower pressing plate 7 is provided with a threaded hole, the adjusting screw 10 penetrates through the threaded hole of the lower pressing plate 7 to extend towards the inside of the V-shaped inclined plane and is connected with the base 3, and the adjusting screw 10 is further sleeved with an adjusting nut 9 at the part exposed out of the lower pressing plate 7 from the threaded hole. The adjusting screw 10 can be rotated to adjust the up-and-down movement of the lower pressure plate 7 by rotating the adjusting nut 9.
Obviously, the above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a bogie empty test drive wheel frictional force adjusting device, includes friction pulley (1), install on friction pulley supporting seat (2) friction pulley (1), its characterized in that: still include base (3), install on base (3) friction pulley supporting seat (2), still include adjustment mechanism on base (3), adjustment mechanism can drive the reciprocating linear motion of the horizontal direction of relative bogie wheel pair (4) of friction pulley (1).
2. The bogie empty test drive wheel friction force adjustment device according to claim 1, wherein: the friction wheel (1) is arranged on the lower side of the bogie wheel set (4), the adjusting mechanism is located on one side of the friction wheel supporting seat (2), and the adjusting mechanism drives the friction wheel (1) to do reciprocating linear motion relative to the horizontal direction of the bogie wheel set (4).
3. The bogie empty test drive wheel friction force adjustment device according to claim 2, wherein: the base (3) is provided with a sliding rail, the adjusting mechanism is provided with a free end, and the free end is connected with the friction wheel supporting seat (2) and can push the friction wheel supporting seat (2) to do reciprocating linear motion along the sliding rail relative to the horizontal direction of the bogie wheel pair (4).
4. The bogie empty test drive wheel friction force adjustment device according to claim 3, wherein: the adjusting mechanism comprises a first wedge-shaped block (5) and a second wedge-shaped block (6) which are oppositely arranged, and V-shaped inclined surfaces are arranged on the opposite inner sides of the first wedge-shaped block (5) and the second wedge-shaped block (6); a lower pressing plate (7) is arranged between the first wedge-shaped block (5) and the second wedge-shaped block (6), two end faces of the lower pressing plate (7) are inclined planes matched with the V-shaped inclined plane, and two end faces of the lower pressing plate (7) are in surface contact with the V-shaped inclined plane;
the second wedge block (6) is movable, the first wedge block (5) is fixedly arranged on the base (3), and the lower pressing plate (7) can vertically move downwards along the V-shaped inclined surface to push the second wedge block (6) to do reciprocating linear motion relative to the horizontal direction of the bogie wheel pair (4).
5. The bogie empty test drive wheel friction force adjustment device according to claim 4, wherein: the free end of the adjusting mechanism is a spring (8) with two ends respectively fixedly connected with the second wedge block (6) and the side face of the friction wheel supporting seat (2), and the second wedge block (6) is pulled back linearly in the direction away from the bogie wheel pair (4) under the action of resilience force of the spring (8) when the lower pressing plate (7) vertically moves upwards along the V-shaped inclined plane.
6. The bogie empty test drive wheel friction force adjustment device according to claim 5, wherein: the center of the lower pressing plate (7) is provided with a threaded hole, the adjusting screw (10) penetrates through the threaded hole of the lower pressing plate (7) to extend towards the inside of the V-shaped inclined plane and is connected with the base (3), and the adjusting screw (10) is further sleeved with an adjusting nut (9) at the part exposed out of the lower pressing plate (7) from the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922297461.0U CN210834205U (en) | 2019-12-19 | 2019-12-19 | Bogie no-load test driving wheel friction adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922297461.0U CN210834205U (en) | 2019-12-19 | 2019-12-19 | Bogie no-load test driving wheel friction adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210834205U true CN210834205U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922297461.0U Active CN210834205U (en) | 2019-12-19 | 2019-12-19 | Bogie no-load test driving wheel friction adjusting device |
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| Country | Link |
|---|---|
| CN (1) | CN210834205U (en) |
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- 2019-12-19 CN CN201922297461.0U patent/CN210834205U/en active Active
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