CN216050698U

CN216050698U - Durability testing device for motor bearing

Info

Publication number: CN216050698U
Application number: CN202122243667.2U
Authority: CN
Inventors: 谭一兵
Original assignee: Jiangsu Zhongju Motor Co ltd
Current assignee: Jiangsu Zhongju Motor Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-15
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to the technical field of motor bearing test, and discloses a motor bearing durability test device, which comprises a frame body consisting of a base, a top plate and a bracket arranged between the base and the top plate, and further comprises: fixing frames are fixedly arranged on two sides of the base, mounting frames are fixedly arranged on the fixing frames, a supporting plate is fixedly arranged at one end, away from the fixing frames, of the mounting frames, a connecting assembly is arranged in the mounting frames, and positioning assemblies are arranged on two sides of the supporting plate; a detection device is arranged on the top plate; the bearing can be conveniently rotatably installed through the connecting assembly, the positioning assembly limits the rotation of the inner ring, the detection device is used for carrying out continuous rolling test on the rolling body of the bearing, and when the positioning assembly does not limit the rotation of the inner ring, the detection device can be used for detecting the integral endurance condition of the bearing in the rotating process of the outer ring, so that the endurance of the bearing can be comprehensively detected, and more precise endurance test data can be provided.

Description

Durability testing device for motor bearing

Technical Field

The utility model relates to the technical field of motor bearing testing, in particular to a motor bearing durability testing device.

Background

The motor bearing is also named as a motor bearing or a motor bearing and is a special bearing specially applied to a motor or a motor; the bearing used in the motor is a part for supporting the shaft, which can guide the rotation of the shaft and can also bear the idle part on the shaft, the concept of the bearing is wide, and the bearings commonly used in the motor are four types, namely a rolling bearing, a sliding bearing, a joint bearing and an oil bearing.

In order to guide the normal rotation of motor shaft, need the support of motor bearing, can satisfy the long-time rotatory demand of motor shaft in order to guarantee the performance of motor bearing, need carry out the endurance test to the motor bearing, be convenient for in time change the motor bearing in order to satisfy the normal rotation demand of motor, current motor bearing endurance test mode is the endurance of simple test bearing when the motor lasts the rotation only, and the test is comparatively simple, and data is inaccurate.

Therefore, the technical personnel in the field propose a motor bearing durability testing device to solve the problems proposed in the background.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a motor bearing durability testing device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a motor bearing durability testing arrangement, includes the support body of constituteing by base, roof and the support of setting between base and roof, still includes: fixing frames are fixedly arranged on two sides of the base, mounting frames are fixedly arranged on the fixing frames, supporting plates are fixedly arranged at the ends, away from the fixing frames, of the mounting frames, connecting assemblies used for connecting the middle parts of the bearings are arranged in the mounting frames, and positioning assemblies used for limiting the rotation of the bearings are arranged on two sides of the supporting plates; the bearing durability detection device is characterized in that a detection device for measuring the durability of the bearing is arranged on the top plate, wherein the bearing comprises an inner ring and an outer ring, and a rolling body is arranged between the inner ring and the outer ring in a rolling mode.

As a further scheme of the utility model: a threaded cylinder is arranged in the mounting frame in a sliding mode, the threaded cylinder is connected with a screw rod through threads, the screw rod rotates in the fixing frame, one end, far away from the threaded cylinder, of the screw rod is in transmission connection with a driving piece, and concave blocks and convex blocks are fixedly arranged at two screw rod end portions, opposite to two sides of the fixing frame, of the two screw rod end portions.

As a still further scheme of the utility model: the driving piece comprises a transmission shaft which is rotatably installed in the base, one end of the transmission shaft is fixedly connected with a first motor, and the transmission shaft is connected with a screw rod through a first transmission belt in a transmission mode.

As a still further scheme of the utility model: locating component includes the slide bar of slidable mounting in the backup pad, and the slide bar is close to mount one end fixed mounting has the arm-tie, and the cover is equipped with the spring on the slide bar between arm-tie and the backup pad, it is provided with the electronic stopper that the restriction arm-tie removed to slide on the mounting bracket, arm-tie one end fixed mounting is kept away from to the slide bar has the locating piece.

As a still further scheme of the utility model: the detection device comprises side frames fixedly installed on two sides of the top plate, a rotating shaft is installed between the side frames in a rotating mode, a second motor arranged on the side frames is fixedly installed at one end of the rotating shaft, a rotating wheel is fixedly installed on the rotating shaft and connected with the outer ring through a second transmission belt in a transmission mode, a hydraulic rod is installed at the end portion of each side frame in a rotating mode, and a clamping block is fixedly installed on the hydraulic rod.

As a still further scheme of the utility model: the inner ring rotates on the matching body of the concave block and the convex block.

Compared with the prior art, the utility model has the beneficial effects that: the bearing durability test device is simple in structure and convenient to operate, the bearing can be conveniently rotatably installed through the arranged connecting assembly, the inner ring is limited to rotate through the positioning assembly, the rolling body of the bearing is subjected to continuous rolling test through the detection device, and when the positioning assembly does not limit the rotation of the inner ring, the whole durability of the bearing in the rotating process of the outer ring can be detected through the detection device, so that the durability of the bearing can be comprehensively detected, and more precise durability test data can be provided.

Drawings

Fig. 1 is a schematic structural diagram of a motor bearing durability testing device.

Fig. 2 is a schematic structural diagram of an outer ring, an inner ring and a rolling body in a motor bearing durability testing device.

Fig. 3 is an enlarged view of a structure in fig. 1.

Fig. 4 is a schematic structural diagram of a threaded cylinder and a threaded rod in a motor bearing durability testing device.

In the figure: 1. a base; 2. a support; 3. a top plate; 4. a fixed mount; 5. a mounting frame; 6. a support plate; 7. a threaded barrel; 8. a screw; 9. a first drive belt; 10. a drive shaft; 11. a first motor; 12. a slide bar; 13. a spring; 14. pulling a plate; 15. an electric limiting block; 16. positioning blocks; 17. a bump; 18. a concave block; 19. a side frame; 20. a rotating shaft; 21. a second motor; 22. a rotating wheel; 23. a second belt; 24. an outer ring; 25. a rolling body; 26. an inner ring; 27. a hydraulic lever; 28. and (6) wrapping and clamping the blocks.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, in the embodiment of the present invention, a device for testing durability of a motor bearing includes a frame body composed of a base 1, a top plate 3, and a support 2 disposed between the base 1 and the top plate 3, and further includes:

fixing frames 4 are fixedly arranged on two sides of the base 1, mounting frames 5 are fixedly arranged on the fixing frames 4, supporting plates 6 are fixedly arranged at the ends, far away from the fixing frames 4, of the mounting frames 5, connecting assemblies used for connecting the middle parts of the bearings are arranged in the mounting frames 5, and positioning assemblies used for limiting the rotation of the bearings are arranged on two sides of each supporting plate 6;

the top plate 3 is provided with a detection device for measuring the durability of the bearing, wherein the bearing comprises an inner ring 26 and an outer ring 24, and rolling bodies 25 are arranged between the inner ring 26 and the outer ring 24 in a rolling manner.

The condition of this embodiment, it is provided with a screw thread section of thick bamboo 7 to slide in the mounting bracket 5, and a screw thread section of thick bamboo 7 passes through threaded connection screw rod 8, and screw rod 8 rotates in mount 4, and 7 one end transmission connection driving pieces are kept away from to screw rod 8, two 8 tip of screw rod that the relative setting in mount 4 both sides has concave block 18 and lug 17 respectively fixed mounting.

In one aspect of this embodiment, the driving member includes a transmission shaft 10 rotatably installed in the base 1, one end of the transmission shaft 10 is fixedly connected to a first motor 11, and the transmission shaft 10 is in transmission connection with the screw 8 through a first transmission belt 9.

In one aspect of this embodiment, the inner ring 26 rotates on the mating body of the female block 18 and the male block 17.

In this embodiment, it is concrete, first motor 11 drives transmission shaft 10 and rotates, and transmission shaft 10 drives screw rod 8 through first drive belt 9 and rotates, and screw rod 8 drives a screw thread section of thick bamboo 7 and slides in mounting bracket 5 to let the cooperation of the concave block 18 and the lug 17 of a screw thread section of thick bamboo 7 tip, let the bearing rotate on the cooperation body of concave block 18 and lug 17.

A condition of this embodiment, locating component includes slide bar 12 of slidable mounting in backup pad 6, and slide bar 12 is close to 4 one end fixed mounting of mount have arm-tie 14, and the cover is equipped with spring 13 on the slide bar 12 between arm-tie 14 and the backup pad 6, it is provided with the electronic stopper 15 that restriction arm-tie 14 removed to slide on the mounting bracket 5, slide bar 12 keeps away from 14 one end fixed mounting of arm-tie and has locating piece 16.

The condition of this embodiment, detection device includes the limit frame 19 of fixed mounting in roof 3 both sides, rotates between the frame 19 and installs axis of rotation 20, and one end fixed mounting has the second motor 21 that sets up on limit frame 19 on the axis of rotation 20, fixed mounting has the runner 22 on the axis of rotation 20, and the runner 22 passes through the transmission of second drive belt 23 and connects

outer lane

24, 19 end rotation of limit frame installs hydraulic stem 27, and fixed mounting has package clamp splice 28 on the hydraulic stem 27.

In this embodiment, the electric limiting block 15 is moved to a position close to the supporting plate 6, so that the positioning block 16 at the end of the sliding rod 12 on the supporting plate 6 fixes the inner ring 26 through the spring 13, the rolling element 25 between the outer ring 24 and the inner ring 26 is fixed through the clamping block 28 on the hydraulic rod 27, and the hydraulic rod 27 is rotated by providing a driving force for the hydraulic rod 27, so that the rolling element 25 of the bearing can be subjected to durability detection, and the abrasion loss during rotation can be detected; when the electric limiting block 15 drives the pulling plate 14 to move, the sliding rod 12 also moves along with the pulling plate, the positioning block 16 is separated from the connection with the inner ring 26, the second transmission belt 23 is sleeved on the outer ring 24 at the moment, and the rotating wheel 22 on the rotating shaft 20 is driven to rotate through the motor, so that the durability test between the rolling body 25 and the outer ring 24 as well as between the rolling body and the inner ring 26 can be performed when the outer ring 24 of the bearing rotates, the test is simple and convenient, and the test data are comprehensive.

The working principle of the utility model is as follows: the first motor 11 drives the transmission shaft 10 to rotate, the transmission shaft 10 drives the screw rod 8 to rotate through the first transmission belt 9, the screw rod 8 drives the threaded cylinder 7 to slide in the mounting rack 5, so that the concave block 18 and the convex block 17 at the end part of the threaded cylinder 7 are matched, and the bearing rotates on a matching body of the concave block 18 and the convex block 17; the electric limiting block 15 moves to a position close to the supporting plate 6, so that the positioning block 16 at the end part of the sliding rod 12 on the supporting plate 6 is fixed on the inner ring 26 through the spring 13, the rolling body 25 between the outer ring 24 and the inner ring 26 is fixed through the clamping block 28 on the hydraulic rod 27, the hydraulic rod 27 is rotated by providing driving force for the hydraulic rod 27, and the rolling body 25 of the bearing can be subjected to durability detection, and the abrasion loss during rotation can be detected; when the electric limiting block 15 drives the pulling plate 14 to move, the sliding rod 12 also moves along with the pulling plate, so that the positioning block 16 is separated from the connection with the inner ring 26, the second transmission belt 23 is sleeved on the outer ring 24 at the moment, and the rotating wheel 22 on the rotating shaft 20 is driven to rotate through the motor, so that the durability test between the rolling body 25 and the outer ring 24 as well as between the rolling body and the inner ring 26 can be performed when the outer ring 24 of the bearing rotates, and the test is simple and convenient and has comprehensive test data.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a motor bearing durability testing arrangement, includes the support body of constituteing by base, roof and the support that sets up between base and roof, its characterized in that still includes:

fixing frames are fixedly arranged on two sides of the base, mounting frames are fixedly arranged on the fixing frames, supporting plates are fixedly arranged at the ends, away from the fixing frames, of the mounting frames, connecting assemblies used for connecting the middle parts of the bearings are arranged in the mounting frames, and positioning assemblies used for limiting the rotation of the bearings are arranged on two sides of the supporting plates;

the bearing durability detection device is characterized in that a detection device for measuring the durability of the bearing is arranged on the top plate, wherein the bearing comprises an inner ring and an outer ring, and a rolling body is arranged between the inner ring and the outer ring in a rolling mode.

2. The motor bearing durability testing device according to claim 1, wherein a threaded cylinder is slidably disposed in the mounting frame, the threaded cylinder is connected with a threaded rod through threads, the threaded rod rotates in the fixing frame, one end of the threaded rod, which is far away from the threaded cylinder, is in transmission connection with a driving member, and two ends of the threaded rod, which are oppositely disposed on two sides of the fixing frame, are respectively and fixedly provided with a concave block and a convex block.

3. The motor bearing durability testing device of claim 2, wherein the driving member comprises a transmission shaft rotatably mounted in the base, one end of the transmission shaft is fixedly connected with the first motor, and the transmission shaft is connected with the screw rod through a first transmission belt.

4. The motor bearing durability testing device according to claim 2, wherein the positioning assembly comprises a sliding rod which is slidably mounted in the supporting plate, a pulling plate is fixedly mounted at one end, close to the fixing frame, of the sliding rod, a spring is sleeved on the sliding rod between the pulling plate and the supporting plate, an electric limiting block which limits the movement of the pulling plate is slidably arranged on the mounting frame, and a positioning block is fixedly mounted at one end, far away from the pulling plate, of the sliding rod.

5. The motor bearing durability testing device of claim 1, wherein the detecting device comprises side frames fixedly installed on two sides of the top plate, a rotating shaft is rotatably installed between the side frames, a second motor arranged on the side frames is fixedly installed at one end of the rotating shaft, a rotating wheel is fixedly installed on the rotating shaft, the rotating wheel is connected with the outer ring through a second transmission belt in a transmission manner, a hydraulic rod is rotatably installed at the end of each side frame, and a clamping block is fixedly installed on the hydraulic rod.

6. The motor bearing durability test device of claim 2, wherein the inner ring rotates on the mating body of the concave block and the convex block.