CN214010258U

CN214010258U - Bearing detection device for turning and repairing non-falling wheel of rail transit vehicle wheel pair

Info

Publication number: CN214010258U
Application number: CN202023031981.6U
Authority: CN
Inventors: 邢高亮; 史鸣; 牛秀蓉; 赵丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-20
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a bearing detection device for turning non-falling wheels of rail transit vehicle wheel pairs in the technical field of turning non-falling wheels, which comprises supporting legs, wherein the middle parts of the supporting legs are fixedly connected with an operation platform, both sides of the upper surface of the operation platform are provided with mounting plates, the inner side surface of the mounting plates is fixedly provided with a first hydraulic pump, the front end surface of a first pushing shaft is provided with a first thread groove, the front end of the first pushing shaft is connected with an extrusion block, the outer side surface of the extrusion block is provided with an arc groove, the middle part of the upper surface of the operation platform is provided with a mounting column, the surface of the mounting column can be detachably connected with a fixing part, both sides of the front and the rear of the upper surface of the operation platform are provided with displacement sensors, the upper ends of the supporting legs are fixedly connected with a top plate, the middle part of the lower surface of the top plate is fixedly connected with a second hydraulic pump, the lower end surface of the second pushing shaft is provided with a second thread groove, the front end of the second pushing shaft is connected with an extrusion ring, the device can simultaneously detect the transverse clearance and the longitudinal clearance of the bearing, and has excellent detection effect.

Description

Bearing detection device for turning and repairing non-falling wheel of rail transit vehicle wheel pair

Technical Field

The utility model relates to a do not fall a round and turn round and repair technical field, specifically be a bearing detection device that is used for not falling a round of turning round of rail traffic vehicle wheel pair to be repaiied.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the motion process and ensure the rotation precision of the mechanical rotating body, wherein the bearing clearance is the clearance between a bearing rolling body and an inner ring shell and an outer ring shell of the bearing, namely the bearing clearance refers to the fact that when the bearing is not installed on a shaft or a bearing box, one of an inner ring and an outer ring of the bearing is fixed, then the fixed side of the bearing clearance is enabled to move in the radial direction or the axial direction, the fixed side of the bearing clearance can be divided into the radial clearance and the axial clearance according to the moving direction, and the size of the running clearance has influence on the rolling fatigue life, temperature rise, noise, vibration and other performances.

At present, most of the existing bearing detection devices for the non-drop turning repair of the wheel pair of the rail transit vehicle can only detect the play of the bearing in the longitudinal direction or the transverse direction, the detection effect of the detection devices on the bearing is not comprehensive, the detection quality of the bearing can be reduced, and the bearing can possibly break down after the installation is finished.

Accordingly, one skilled in the art provides a bearing detection device for non-drop turning of wheel pairs of rail vehicles to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing detection device that is used for rail traffic vehicle wheel pair not to fall the wheel and turn round to repair to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a bearing detection device for non-falling wheel turning repair of rail transit vehicle wheel pairs comprises support legs, wherein gaskets are fixedly connected to the lower side surfaces of the support legs, operation platforms are fixedly connected to the middle parts of the support legs, mounting plates are arranged on two sides of the upper surfaces of the operation platforms respectively, first hydraulic pumps are fixedly mounted on the inner side surfaces of the mounting plates and provided with first pushing shafts, first thread grooves are formed in the surfaces of the front ends of the first pushing shafts, extrusion blocks are detachably connected to the front ends of the first pushing shafts through the first thread grooves, arc grooves are formed in the outer side surfaces of the extrusion blocks, mounting columns are arranged in the middle parts of the upper surfaces of the operation platforms, fixing parts are detachably connected to the surfaces of the mounting columns, displacement sensors are arranged on the front side and the rear side of the upper surfaces of the operation platforms respectively, top plates are fixedly connected to the upper ends of the support legs, and second hydraulic pumps are fixedly connected to the middle parts of the lower surfaces of the top plates, the second hydraulic pump is provided with a second pushing shaft, a second thread groove is formed in the lower end surface of the second pushing shaft, and the front end of the second pushing shaft is detachably connected with an extrusion ring through the second thread groove.

As a further aspect of the present invention: the equal fixedly connected with lighting components in roof lower surface both sides, lighting components is including the backup pad, the inboard fixed surface of backup pad is connected with spacing axle, spacing axle surface rotates and is connected with the light.

As a further aspect of the present invention: the operating platform front side is provided with sample groove and tool groove respectively, the inboard surface in sample groove is provided with the card post, tool groove surface is provided with the drawer.

As a further aspect of the present invention: the displacement sensor is provided with three, just the displacement sensor front side all is provided with the ultraviolet lamp holder, the displacement sensor upper surface is provided with the display screen.

As a further aspect of the present invention: the supporting legs are four, the supporting legs are arranged on the surface of the lower side of the operating platform in a circumferential array distribution mode, the gasket material is rubber, and the number of the lighting assemblies is two.

As a further aspect of the present invention: the first hydraulic pump is fixedly connected with the mounting plate through a first bolt, and the second hydraulic pump is fixedly connected with the top plate through a second bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through arranging a plurality of hydraulic pumps, the staff need install the extrusion block, the mounting and the extrusion ring that are suitable for the bearing through the size of the bearing to be detected, all three components are detachably connected with the device body through the screw thread, thus the device is suitable for the bearings of various sizes, after the installation is completed, the staff fixes the bearing to be detected on the surface of the mounting, then the first hydraulic pump on one side is started firstly, the extrusion block is driven to move forwards by the first pushing shaft arranged in the way, when the inner side surface of the extrusion block is fit with the surface of the bearing, if the bearing has a transverse clearance, the extrusion block can continue to move, the ultraviolet light emitted by the ultraviolet lamp cap arranged on the displacement sensor can monitor the movement, and the monitoring result can be fed back to the staff through the display screen arranged on the displacement sensor, thus the staff can judge whether the bearing has the transverse clearance, the first hydraulic pump that the opposite side was provided with also has same effect, can make the testing result more accurate, after horizontal play detected the completion, the staff can start the second hydraulic pump, the second promotes the axle and will drives the extrusion ring and remove like this, when extrusion ring and bearing upper surface laminating, if there is vertical play in the bearing, the extrusion ring will continue to remove, displacement sensor just can detect out the vertical play of bearing like this, the horizontal play and the vertical play of bearing have all obtained the detection like this, the problem that the current device detected incompleteness has been solved.

2. The utility model discloses in, through, be provided with lighting assembly, the first bolt and the second bolt that are provided with make the staff convenient change the hydraulic pump, lighting assembly that the upside is provided with can carry out angular adjustment through spacing axle, the light can throw light on the device, make the staff can see the inside behavior of device more clearly, the sample can be deposited in the sample groove that is provided with, the instrument that the testing process may be used can be deposited in the instrument groove that is provided with, it is more convenient to make the staff work, staff's work efficiency has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the rear side of the present invention;

fig. 3 is a schematic structural diagram of the operation platform of the present invention;

fig. 4 is a schematic structural diagram of the middle roof plate of the present invention.

In the figure: 1. supporting legs; 2. a gasket; 3. an operating platform; 31. a sample tank; 311. clamping the column; 32. a tool slot; 321. a drawer; 4. mounting a plate; 5. a first hydraulic pump; 6. a first pushing shaft; 7. a first thread groove; 8. extruding the block; 9. an arc groove; 10. mounting a column; 11. a fixing member; 12. a displacement sensor; 121. an ultraviolet lamp cap; 122. a display screen; 13. a top plate; 14. a second hydraulic pump; 15. a second pushing shaft; 16. a second thread groove; 17. extruding the circular ring; 18. a lighting assembly; 181. a support plate; 182. a limiting shaft; 183. an illuminating lamp; 19. a first bolt; 20. and a second bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, a bearing detection device for turning and repairing an underfloor wheel of a rail transit vehicle wheel set comprises a support leg 1, a gasket 2 is fixedly connected to the lower side surface of the support leg 1, an operation platform 3 is fixedly connected to the middle portion of the support leg 1, mounting plates 4 are respectively disposed on both sides of the upper surface of the operation platform 3, a first hydraulic pump 5 is fixedly mounted on the inner side surface of the mounting plates 4, the first hydraulic pump 5 is provided with a first pushing shaft 6, a first thread groove 7 is disposed on the front end surface of the first pushing shaft 6, an extrusion block 8 is detachably connected to the front end of the first pushing shaft 6 through the first thread groove 7, an arc groove 9 is disposed on the outer side surface of the extrusion block 8, a mounting column 10 is disposed on the middle portion of the upper surface of the operation platform 3, a fixing member 11 is detachably connected to the surface of the mounting column 10, displacement sensors 12 are respectively disposed on both sides of the upper surface of the operation platform 3, supporting leg 1 upper end fixedly connected with roof 13, roof 13 lower surface middle part fixedly connected with second hydraulic pump 14, second hydraulic pump 14 are provided with the second and promote axle 15, and the second promotes 15 lower terminal surface of axle and is provided with second thread groove 16, and the second promotes 15 front ends of axle and can dismantle through second thread groove 16 and be connected with extrusion ring 17.

Wherein, both sides of the lower surface of the top plate 13 are fixedly connected with lighting components 18, the lighting components 18 comprise a supporting plate 181, the inner side surface of the supporting plate 181 is fixedly connected with a limiting shaft 182, the surface of the limiting shaft 182 is rotatably connected with a lighting lamp 183, the front side of the operating platform 3 is respectively provided with a sample groove 31 and a tool groove 32, the inner side surface of the sample groove 31 is provided with a clamping column 311, the surface of the tool groove 32 is provided with a drawer 321, three displacement sensors 12 are arranged, and the ultraviolet lamp caps 121 are arranged on the front sides of the displacement sensors 12, the display screens 122 are arranged on the upper surfaces of the displacement sensors 12, four support legs 1 are arranged, and supporting leg 1 is the circumference array distribution at operation platform 3 downside surface, and the gasket 2 material is rubber, and lighting assembly 18 is provided with two, and first hydraulic pump 5 passes through first bolt 19 and mounting panel 4 fixed connection, and second hydraulic pump 14 passes through second bolt 20 and roof 13 fixed connection.

The utility model discloses a theory of operation is: firstly, an operator needs to install an extrusion block 8, a fixing part 11 and an extrusion ring 17 which are suitable for a bearing through the size of the bearing to be detected, the three components are detachably connected with a device body through threads, so that the device is suitable for bearings with various sizes, after the installation is completed, the operator fixes the bearing to be detected on the surface of the fixing part 11, then the first hydraulic pump 5 on one side is started firstly, the extrusion block 8 is driven to move forwards by the first pushing shaft 6 arranged in the way, when the inner side surface of the extrusion block 8 is attached to the surface of the bearing, if the bearing has transverse play, the extrusion block 8 can continue to move, the ultraviolet light emitted by the ultraviolet lamp cap 121 arranged on the displacement sensor 12 can monitor the movement, and the monitoring result can be fed back to the operator through the display screen 122 arranged on the displacement sensor, so that the operator can judge whether the bearing has the transverse play, the first hydraulic pump 5 arranged on the other side has the same effect, so that the detection result is more accurate, after the transverse play detection is completed, a worker can start the second hydraulic pump 14, so that the second pushing shaft 15 can drive the extrusion ring 17 to move, when the extrusion ring 17 is attached to the upper surface of the bearing, if the bearing has the longitudinal play, the extrusion ring 17 can continue to move, so that the longitudinal play of the bearing can be detected by the displacement sensor 12, the first bolt 19 and the second bolt 20 arranged in the extrusion ring can facilitate the worker to replace the hydraulic pump, the illumination component 18 arranged on the upper side can carry out angle adjustment through the limiting shaft 182, the illumination lamp 183 can illuminate the device, so that the worker can more clearly see the working condition in the device, and the sample groove 31 arranged in the extrusion ring can store samples, a tool slot 32 is provided to store tools that may be used in the testing process.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A bearing detection device for non-drop wheel turning of rail transit vehicle wheel pairs comprises a support leg (1), and is characterized in that: the supporting leg is characterized in that a gasket (2) is fixedly connected to the lower side surface of the supporting leg (1), an operation platform (3) is fixedly connected to the middle of the supporting leg (1), mounting plates (4) are arranged on two sides of the upper surface of the operation platform (3), a first hydraulic pump (5) is fixedly mounted on the inner side surface of the mounting plates (4), a first pushing shaft (6) is arranged on the first hydraulic pump (5), a first thread groove (7) is formed in the surface of the front end of the first pushing shaft (6), an extrusion block (8) is detachably connected to the front end of the first pushing shaft (6) through the first thread groove (7), an arc groove (9) is formed in the surface of the outer side of the extrusion block (8), an installation column (10) is arranged in the middle of the upper surface of the operation platform (3), a fixing member (11) is detachably connected to the surface of the installation column (10), and displacement sensors (12) are arranged on two sides of the front and back of the upper surface of the operation platform (3), supporting leg (1) upper end fixedly connected with roof (13), roof (13) lower surface middle part fixedly connected with second hydraulic pump (14), second hydraulic pump (14) are provided with the second and promote axle (15), the second promotes axle (15) lower extreme surface and is provided with second thread groove (16), the second promotes axle (15) front end and can dismantle through second thread groove (16) and be connected with extrusion ring (17).

2. A bearing test apparatus for the non-drop turning of rail vehicle wheel sets according to claim 1, wherein: the equal fixedly connected with lighting components (18) in roof (13) lower surface both sides, lighting components (18) are including backup pad (181), backup pad (181) inboard surface fixed connection has spacing axle (182), spacing axle (182) surface is rotated and is connected with light (183).

3. A bearing test apparatus for the non-drop turning of rail vehicle wheel sets according to claim 1, wherein: the operating platform (3) front side is provided with sample groove (31) and tool groove (32) respectively, sample groove (31) inboard surface is provided with card post (311), tool groove (32) surface is provided with drawer (321).

4. A bearing test apparatus for the non-drop turning of rail vehicle wheel sets according to claim 1, wherein: displacement sensor (12) are provided with threely, just displacement sensor (12) front side all is provided with ultraviolet lamp holder (121), displacement sensor (12) upper surface is provided with display screen (122).

5. A bearing test device for the non-drop turning of rail vehicle wheel sets according to claim 2, characterized in that: the supporting legs (1) are four, the supporting legs (1) are distributed on the lower side surface of the operating platform (3) in a circumferential array mode, the gasket (2) is made of rubber, and the number of the lighting assemblies (18) is two.

6. A bearing test apparatus for the non-drop turning of rail vehicle wheel sets according to claim 1, wherein: the first hydraulic pump (5) is fixedly connected with the mounting plate (4) through a first bolt (19), and the second hydraulic pump (14) is fixedly connected with the top plate (13) through a second bolt (20).