CN112577738A

CN112577738A - Wheel hub bearing durability test tool

Info

Publication number: CN112577738A
Application number: CN202011347354.5A
Authority: CN
Inventors: 陈龙龙
Original assignee: Anhui Pifu Bearing Co ltd; Wuhu Renben Automotive Bearing Co ltd; Shanghai C&U Group Co Ltd; C&U Co Ltd
Current assignee: Anhui Pifu Bearing Co ltd; Wuhu Renben Automotive Bearing Co ltd; Shanghai C&U Group Co Ltd; C&U Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-03-30

Abstract

The invention provides a wheel hub bearing durability test tool which comprises a driving assembly, wherein the driving assembly comprises a rotating shaft, a test station and a loading assembly, the test station can be used for mounting a bearing to be tested, the loading assembly comprises a loading block, a radial loading piece and an axial loading piece, the test station is arranged between the rotating shaft and the loading block, and the radial loading piece and the axial loading piece are respectively connected to the loading block in an offset distance and an eccentric manner. Aiming at the defects of the prior art, the invention provides a wheel hub bearing durability test tool which can better simulate the actual operation condition of a wheel hub bearing.

Description

Wheel hub bearing durability test tool

Technical Field

The invention relates to a wheel hub bearing durability test tool.

Background

The hub bearing is a bearing for supporting and guiding an automobile hub, the bearing needs to bear the axial load and the radial load of the hub at the same time, and along with the acceleration of the development of the automobile industry, the requirements on key parts of the automobile are increased increasingly, so that great attention is paid to the test of various performances of the hub bearing, wherein the test on the durability of the hub bearing is particularly important, in order to ensure the accuracy of test data, the test tool is arranged in a working chamber with environment temperature regulation for better simulating the operation environment, but in the actual operation process, the hub bearing also has many variables, such as the size and the direction of radial force and axial force, and therefore, the durability test tool which can be closer to the actual operation condition is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a wheel hub bearing durability test tool which can better simulate the actual operation condition of a wheel hub bearing.

In order to achieve the purpose, the invention provides a wheel hub bearing durability testing tool which comprises a driving assembly, wherein the driving assembly comprises a rotating shaft and comprises a testing station and a loading assembly, the testing station can be used for mounting a bearing to be tested, the loading assembly comprises a loading block, a radial loading piece and an axial loading piece, the testing station is arranged between the rotating shaft and the loading block, and the radial loading piece and the axial loading piece are respectively connected to the loading block in an offset and eccentric mode.

The technical scheme has the advantages that: through the test station setting that will be used for installing the bearing that awaits measuring between pivot and loading piece, and with radial loading piece and the eccentric connection of axial loading piece difference offset distance and eccentricity on the loading piece, make the bearing that awaits measuring when testing, there are certain offset distance and eccentricity in radial force and the axial force that receives, can correspond the wheel hub bearing because factors such as wheel hub's thickness, radius and mounted position, offset distance and eccentric force that receive, better restore actual operating condition, guarantee the effect of test.

The invention may further be arranged to: including first support, radial loading piece set up on first support, radial loading piece can slide on first support along the axial of the bearing that awaits measuring, and the articulated cooperation between radial loading piece and the loading piece.

Through further setting, set up first support to with the gliding setting of radial loading spare on first support, through the axial slip with the bearing that radial loading spare awaits measuring, adjust the offset.

The invention may further be arranged to: including the second support, axial loading piece set up on the second support, the loading piece on be provided with the slider, slider and axial loading piece can be respectively on loading piece and second support along the radial slip setting of bearing that awaits measuring, and articulated cooperation between axial loading piece and the slider.

Through further setting up, set up second support and slider to slide axial loading piece and slider respectively and set up on second support and loading piece, through carrying out the radial slip of bearing that awaits measuring with both, adjust eccentric degree.

The invention may further be arranged to: and load sensors are arranged on the radial loading piece and the axial loading piece.

Through further setting, can be with the help of load sensor, more accurate adjustment and record test value.

The invention may further be arranged to: the driving assembly comprises a supporting table, a through hole for the rotating shaft to rotate and penetrate is formed in the supporting table, a bearing set is arranged between the rotating shaft and the through hole, and the bearing set is used for supporting the rotating shaft in the axial direction and the radial direction.

Through further setting, through setting up the bearing group between through-hole and pivot, guarantee the steady operation of pivot.

The invention may further be arranged to: the two sides of the through hole are provided with a flange plate and a sealing ring, and the inner and outer peripheral walls of the sealing ring are respectively connected with the rotating shaft and the flange plate.

Through further setting up, set up the sealing washer that is connected with pivot, ring flange respectively in the both sides of through-hole, guarantee the operational environment of pivot.

The invention may further be arranged to: the driving assembly comprises a motor, the motor is arranged on the supporting table, the motor and the rotating shaft are vertically arranged, and the motor and the rotating shaft are driven by a belt wheel.

Through further setting, set up the motor on a supporting bench, make it form between the pivot and arrange perpendicularly to through band pulley transmission, better utilization indoor space with between motor and the pivot.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a top view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2 in accordance with an embodiment of the present invention;

FIG. 4 is an enlarged view of portion a of FIG. 3 according to an embodiment of the present invention;

wherein: a drive assembly 1; a rotating shaft 11; a support table 12; a through-hole 121; a motor 13; a test station 2; a loading assembly 3; a loading block 31; a slider 311; a radial loading member 32; an axial loading member 33; a first support 4; a second bracket 5; a load sensor 6; a bearing set 7; angular contact ball bearings 71; deep groove ball bearings 72; a spacer 73; a flange 8; and a seal ring 9.

Detailed Description

The embodiment of the wheel hub bearing endurance test tool is shown in figures 1-4: including drive assembly 1, test station 2 and loading subassembly 3, drive assembly 1 including pivot 11, test station 2 can supply the bearing installation that awaits measuring, loading subassembly 3 including loading piece 31, radial loading piece 32 and axial loading piece 33, test station 2 set up between pivot 11 and loading piece 31, radial loading piece 32 and axial loading piece 33 respectively the offset and eccentric connection on loading piece 31. Still including first support 4 and second support 5, radial loading piece 32 set up on first support 4, radial loading piece 32 can slide on first support 4 along the axial of the bearing that awaits measuring, and the articulated cooperation between radial loading piece 32 and the loading piece 31. Axial loading piece 33 set up on second support 5, loading piece 31 on be provided with slider 311, slider 311 and axial loading piece 33 can be respectively on loading piece 31 and second support 5 along the radial slip setting of the bearing that awaits measuring, and articulated cooperation between axial loading piece 33 and the slider 311. The radial loading piece 32 and the axial loading piece 33 are both provided with load sensors 6. The driving assembly 1 comprises a supporting table 12, a through hole 121 for the rotating shaft 11 to rotate and penetrate is formed in the supporting table 12, a bearing set 7 is arranged between the rotating shaft 11 and the through hole 121, and the bearing set 7 is used for supporting the rotating shaft in the axial direction and the radial direction. In this embodiment, the bearing set 7 includes two angular contact ball bearings 71 and a deep groove ball bearing 72, the two angular contact ball bearings are disposed at one end of the rotating shaft near the testing station, a spacer 73 is disposed between the two angular contact ball bearings to improve the bending moment resistance of the rotating shaft, and the deep groove ball bearing 72 is disposed at the other end of the rotating shaft. The two sides of the through hole 121 are both provided with a flange 8 and a sealing ring 9, and the inner and outer peripheral walls of the sealing ring 9 are respectively connected with the rotating shaft 11 and the flange 8. The driving assembly 1 comprises a motor 13, the motor 13 is arranged on the supporting table 12, the motor 13 and the rotating shaft 11 are vertically arranged, and the motor 13 and the rotating shaft 11 are driven by a belt wheel.

The above example is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. a wheel hub bearing durability test tool, comprising a drive assembly, the drive assembly includes a rotating shaft, it is characterized in that: include a test station and a loading assembly, and the test station can be installed for the bearing to be tested, The loading assembly includes a loading block, a radial loading member and an axial loading member, the test station is arranged between the rotating shaft and the loading block, and the radial loading member and the axial loading member are offset respectively. and eccentric connection on the loading block.

2 . The wheel hub bearing durability test tool according to claim 1 , characterized in that it comprises a first bracket, the radial loading member is arranged on the first bracket, and the radial loading member can move along the axis of the bearing to be tested. 3 . It slides on the first bracket, and the radial loading member and the loading block are hingedly fitted.

3. The wheel hub bearing durability test tool according to claim 2, characterized in that: it comprises a second bracket, the axial loading member is arranged on the second bracket, and the loading block is arranged with a slider, The sliding block and the axial loading member can be respectively slidably arranged on the loading block and the second bracket along the radial direction of the bearing to be tested, and the axial loading member and the sliding block are hingedly matched.

4 . The wheel hub bearing durability test tool according to claim 3 , wherein the radial loading member and the axial loading member are provided with load sensors. 5 .

5. The wheel hub bearing durability test tool according to claim 1 or 2 or 3 or 4, characterized in that: the drive assembly comprises a support table, and the support table is provided with a passage for the rotating shaft to rotate and pass through. A bearing group is arranged between the rotating shaft and the through hole, and the bearing group is used to form an axial and radial support for the rotating shaft.

6. The wheel hub bearing durability test tool according to claim 5, characterized in that: both sides of the through hole are provided with a flange and a sealing ring, and the inner and outer peripheral walls of the sealing ring are The blue plate is connected.

7 . The wheel hub bearing durability test tool according to claim 5 , wherein the drive assembly comprises a motor, the motor is arranged on the support table, and the motor and the rotating shaft are arranged vertically. 8 . , the motor and the rotating shaft are driven by a pulley.