CN214843997U

CN214843997U - Bearing performance testing device

Info

Publication number: CN214843997U
Application number: CN202121556477.XU
Authority: CN
Inventors: 王可军; 栾怀国; 仇念礼
Original assignee: Shandong Liangzhou Technology Innovation Co ltd
Current assignee: Shandong Liangzhou Technology Innovation Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-11-23
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a bearing performance testing arrangement, include the test axle that tests the bearing, a plurality of stay tubes of test axle both sides fixedly connected with, it is a plurality of the stay tube is circumference form equidistance and distributes, sliding connection has the bracing piece in the stay tube, the terminal fixedly connected with backup pad of bracing piece, the epaxial sliding connection has the support ring of test, the epaxial fixedly connected with driving tube of test, the driving tube is located between support ring and the stay tube, it has annular cavity to open in the driving tube, the internal sliding connection of annular cavity has annular piston, annular piston lateral wall fixedly connected with connects the drive block. The utility model discloses it can adjust fast and closely laminate with the bearing inner wall of not unidimensional type.

Description

Bearing performance testing device

Technical Field

The utility model relates to a bearing test technical field especially relates to a bearing performance testing arrangement.

Background

The bearing is an important part in modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body and reduce the friction coefficient in the movement process of the mechanical rotating body, the bearing needs to bear the gravity generated by mounting an object on the rotating part in the working process, a bearing performance test is necessary before the bearing is used, and whether the bearing meets the production standard or not can be judged.

The bearing is subjected to load bearing performance test to simulate normal operation of the bearing, the load to be borne in the process of simulation application of the bearing in the rotating process of the bearing is simulated, the operation condition in the process of actual operation is presumed through the result of the simulation test, but the types of the specifications of the bearing are more, when the bearings of different types are tested for a second time, the installation shafts installed inside the bearing need to be replaced, corresponding installation shafts need to be prepared for each type of bearing, a large number of test devices are needed in the process of bearing test, the replacement is more complicated, and the bearing load bearing performance test device is needed for the conditions.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the bearing performance testing arrangement who proposes, it can adjust fast and closely laminate with the bearing inner wall of not unidimensional type.

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

a bearing performance testing device comprises a testing shaft for testing a bearing, wherein a plurality of supporting tubes are fixedly connected to two sides of the testing shaft and are distributed in a circumferential equidistant manner, a supporting rod is connected in the supporting tube in a sliding way, the tail end of the supporting rod is fixedly connected with a supporting plate, the test shaft is connected with a support ring in a sliding way, the test shaft is fixedly connected with a driving pipe, the driving pipe is positioned between the support ring and the support pipe, an annular cavity is arranged in the driving pipe, an annular piston is connected in the annular cavity in a sliding way, the side wall of the annular piston is fixedly connected with a connecting driving block, the driving block penetrates through the driving pipe and is fixedly connected with the side wall of the supporting ring, the annular cavity is respectively communicated with the bottom of the supporting pipe through a plurality of branch pipes, and the testing shaft is provided with an adjusting mechanism capable of adjusting the position of the supporting ring.

Preferably, the adjusting mechanism comprises an adjusting block in threaded connection with the testing shaft, and the side wall of the adjusting block is rotatably connected with the support ring.

Preferably, the annular cavity and the interior of the support tube are filled with hydraulic oil.

Preferably, the inner wall of the supporting plate is provided with a plurality of first openings, the first openings are rotatably connected with adjusting rods, the supporting ring is provided with a plurality of second openings corresponding to the first openings, and the tail ends of the adjusting rods are rotatably connected with the second openings.

Preferably, the outer wall of the support plate is an arc-shaped surface, and the arc-shaped surface is matched with the inner wall of the bearing.

Preferably, the driving block is tubular, and the driving block is in sealed sliding connection with the driving pipe.

Compared with the prior art, the utility model, its beneficial effect does:

1. through setting up adjustment mechanism can be through rotating the position of regulating block quick adjustment annular piston, realize the regulation to the inside hydraulic oil of annular cavity, through changing the relative position between stay tube and the bracing piece, change the clearance between terminal backup pad and the bearing inner wall, realize the bearing looks adaptation to different models, need not frequently to change the test axle, reduce testing arrangement's quantity, improve efficiency of software testing.

2. The adjusting rod rotatably connected with the inside of the first opening through the second opening can adjust the relative distance between the supporting plate and the testing shaft, the supporting plate after adjustment can be supported, and the stability of bearing testing is guaranteed.

Drawings

Fig. 1 is a schematic perspective view of a bearing load-bearing performance testing device provided by the present invention;

fig. 2 is an enlarged schematic structural diagram of a bearing load-bearing performance testing device provided by the utility model at a position a;

fig. 3 is the utility model provides a bearing load-bearing capability test device's driving tube internal structure schematic diagram.

In the figure: the device comprises a test shaft 1, an annular groove 2, an adjusting block 3, a driving pipe 4, a supporting plate 5, an adjusting rod 6, a supporting pipe 7, a supporting rod 8, a first opening 9, a second opening 10, a driving block 11, an annular cavity 12, an annular piston 13 and a supporting ring 14.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, a bearing performance testing arrangement, include the test axle 1 that tests the bearing, a plurality of stay tubes 7 of 1 both sides fixedly connected with of test axle, a plurality of stay tubes 7 are circumference form equidistance and distribute, sliding connection has bracing piece 8 in the stay tube 7, 8 terminal fixedly connected with backup pad 5 of bracing piece, 5 outer walls of backup pad are the arcwall face, arcwall face and bearing inner wall looks adaptation, a plurality of backup pads 5 can suit with the inner wall of bearing in the middle of the process of expansion, can play spacing purpose with bearing inner wall in close contact with, act on the effect of applying force to 2 departments of ring channel on the test axle 1, realize the purpose to the bearing test.

The testing shaft 1 is connected with a supporting ring 14 in a sliding mode, a plurality of first openings 9 are formed in the inner wall of the supporting plate 5, an adjusting rod 6 is connected in the first openings 9 in a rotating mode, a plurality of second openings 10 corresponding to the first openings 9 are formed in the supporting ring 14, the tail end of the adjusting rod 6 is connected with the second openings 10 in a rotating mode, in the process that the adjusting block 3 is close to the supporting pipe 7, the position of the adjusting rod 6 changes, and the supporting effect can be achieved along with the lifting of the supporting plate 5.

Fixedly connected with driving tube 4 on the test axle 1, driving tube 4 is located between support ring 14 and the stay tube 7, it has annular cavity 12 to open in the driving tube 4, sliding connection has annular piston 13 in the annular cavity 12, annular piston 13 lateral wall fixedly connected with connects driving block 11, driving block 11 runs through driving tube 4 and with support ring 14 lateral wall fixed connection, annular cavity 12 communicates with the stay tube 7 bottom respectively through a plurality of branch pipes, annular cavity 12 and stay tube 7 are inside to be filled with hydraulic oil, driving block 11 is the tubulose, sealing sliding connection between driving block 11 and the drive tube 4, it can change the position of support ring 14 to rotate regulating block 3, driving block 11 of support ring 14 lateral wall fixed connection can drive annular piston 13 and adjust the hydraulic oil in annular cavity 12, and then change the purpose of bracing piece 8 and backup pad 5 position.

Be equipped with the adjustment mechanism that can adjust support ring 14 position on the test axle 1, adjustment mechanism includes threaded connection's regulating block 3 on the test axle 1, and the 3 lateral walls of regulating block rotate with support ring 14 and link to each other, can adjust the position of backup pad 5 fast through adjustment mechanism, realizes spacing the bearing inner wall of different models, guarantees to carry out the stability of bearing test to the bearing.

The utility model discloses during the use, when needs are tested the bearing, place the both ends of test axle 1 inside the bearing, rotate regulating block 3, through the position that drive block 11 adjusted annular piston 13, annular piston 13 is towards the motion of stay tube 7 department, can pump the hydraulic oil pump in annular cavity 12 into stay tube 7 for the ring that a plurality of backup pads 5 formed enlarges, plays the effect of strutting the bearing inner wall.

In the process of adjusting the adjusting block 3, the position of the supporting ring 14 is changed, the adjusting rod 6 between the second opening 10 and the first opening 9 can play a role of supporting along with the change of the position of the supporting ring 14, the stability of the bearing test is ensured, the action of force is applied to the annular groove 2, and the weighing performance test of the bearing is realized.

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. The bearing performance testing device comprises a testing shaft (1) for testing a bearing, and is characterized in that a plurality of supporting pipes (7) are fixedly connected to two sides of the testing shaft (1) and distributed in a circumferential equidistant manner, supporting rods (8) are slidably connected in the supporting pipes (7), supporting plates (5) are fixedly connected to the tail ends of the supporting rods (8), supporting rings (14) are slidably connected on the testing shaft (1), driving pipes (4) are fixedly connected on the testing shaft (1), the driving pipes (4) are located between the supporting rings (14) and the supporting pipes (7), annular cavities (12) are formed in the driving pipes (4), annular pistons (13) are slidably connected in the annular cavities (12), and driving blocks (11) are fixedly connected to the side walls of the annular pistons (13), the driving block (11) penetrates through the driving pipe (4) and is fixedly connected with the side wall of the supporting ring (14), the annular cavity (12) is communicated with the bottom of the supporting pipe (7) through a plurality of branch pipes, and an adjusting mechanism capable of adjusting the position of the supporting ring (14) is arranged on the testing shaft (1).

2. A bearing load-bearing performance testing device according to claim 1, characterized in that the adjusting mechanism comprises an adjusting block (3) which is connected with the testing shaft (1) in a threaded manner, and the side wall of the adjusting block (3) is rotatably connected with the supporting ring (14).

3. A bearing load-bearing performance testing device according to claim 1, characterized in that the annular cavity (12) and the supporting tube (7) are filled with hydraulic oil.

4. A bearing load-bearing performance testing device according to claim 1, characterized in that a plurality of first openings (9) are formed in the inner wall of the supporting plate (5), the adjusting rod (6) is rotatably connected to the first openings (9), a plurality of second openings (10) corresponding to the first openings (9) are formed in the supporting ring (14), and the tail end of the adjusting rod (6) is rotatably connected to the second openings (10).

5. The bearing load-bearing performance testing device of claim 1, wherein the outer wall of the supporting plate (5) is an arc-shaped surface, and the arc-shaped surface is matched with the inner wall of the bearing.

6. A bearing load-bearing performance testing device according to claim 1, characterized in that the driving block (11) is tubular, and the driving block (11) is connected with the driving pipe (4) in a sealing and sliding manner.