CN215640139U

CN215640139U - Special grease leakage testing machine for sealed bearing

Info

Publication number: CN215640139U
Application number: CN202122470074.XU
Authority: CN
Inventors: 周泉; 雷云; 李晓福; 陈宇
Original assignee: Guizhou Tianma Hongshan Bearing Co Ltd
Current assignee: Guizhou Tianma Hongshan Bearing Co Ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-01-25
Anticipated expiration: 2031-10-14

Abstract

The utility model provides a special fat testing machine that leaks of sealed bearing, including the loading handle, experimental organism, the transmission shaft, the converter, pressure load sensor, change axle and converter base, experimental organism C font structure, experimental organism middle part is provided with the mesopore, the converter passes through the converter base and sets up at experimental organism side, the transmission shaft is connected with the converter and passes the mesopore of experimental organism, it is connected and is located the internal middle part of testing machine with the transmission shaft to change the axle, experimental bearing is installed at changing epaxially, the loading handle stretches into the internal middle part of testing machine through its pole portion, pressure load sensor sets up at loading handle pole portion and pressfitting on experimental bearing. The special grease leakage testing machine for the sealed bearing has the advantages of simple structure and convenience in operation and use, and provides two structures of a miniature bearing and a medium-small bearing. The grease leakage testing machine special for the sealed bearing has a wide application range, and can simultaneously carry out grease leakage tests on bearings of different models by using the same testing machine on standard and non-standard miniature bearings and small and medium-sized bearings.

Description

Special grease leakage testing machine for sealed bearing

Technical Field

The utility model relates to the technical field of machining, in particular to a special grease leakage testing machine for a sealed bearing.

Background

A standard sealed ball bearing grease leakage testing machine (see figure 4) is characterized in that testing bearings (2 sets) are symmetrically arranged at two ends of a main shaft, supporting bearings (2 sets) are symmetrically arranged at two ends of a shaft shoulder of the main shaft, two bearing seats are respectively arranged on two hole seats of the testing machine, a testing shaft is connected with an electric main shaft through a flange plate, and the load of the testing machine applies radial load to the testing bearings through a radial load shell. The disadvantages of this tester are: 1. consume frock processing cost: the test bearings of different models need to be processed with corresponding test tools such as bearing seats, test shafts, left and right end covers and the like. 2. Labor cost is consumed: because the test tooling is cumbersome, more than two persons are needed to carry out the test tooling during installation or disassembly, and about half a day of time is needed to be consumed. 3. The assembling and disassembling process easily damages the sealing ring or the dust cover: the process of installation or dismantlement is more loaded down with trivial details, need with the help of equipment such as press, easily damages sealing washer or shield in the installation or the dismantlement process.

Disclosure of Invention

The utility model mainly aims to solve the defects, provides a sealed bearing which is tested and has the advantages of quick installation, convenient disassembly and no other lubricating oil pollution, and can be used for bearing grease leakage tests of standard and non-standard sealed miniature bearings and small and medium-sized bearings.

The utility model provides a special fat testing machine that leaks of sealed bearing, including the loading handle, experimental organism, the transmission shaft, the converter, pressure load sensor, change axle and converter base, experimental organism C font structure, experimental organism middle part is provided with the mesopore, the converter passes through the converter base and sets up at experimental organism side, the transmission shaft is connected with the converter and passes the mesopore of experimental organism, it is connected and is located the internal middle part of testing machine with the transmission shaft to change the axle, experimental bearing is installed at changing epaxially, the loading handle stretches into the internal middle part of testing machine through its pole portion, pressure load sensor sets up at loading handle pole portion and pressfitting on experimental bearing.

Furthermore, the frequency converter of the special grease leakage testing machine for the sealed bearing is an AC-DC frequency converter.

Furthermore, the diameter of a replacement shaft of the special grease leakage testing machine for the sealed bearing can be replaced according to the size of the tested bearing. More preferably, the shaft replacement is suitable for the non-radial-load micro bearing and the radial-load medium and small bearing.

Furthermore, the test machine body of the special grease leakage test machine for the sealed bearing is made of stainless steel materials.

Compared with the prior art, the utility model has the beneficial technical effects that: the special grease leakage testing machine for the sealed bearing is simple in structure and convenient to operate and use, two structures of the miniature bearing and the small and medium-sized bearing are provided, the grease leakage testing machine is enabled to achieve a grease leakage test of the miniature bearing and the small and medium-sized bearing, and the testing efficiency of the sealed bearing is greatly improved. Moreover, the grease leakage testing machine special for the sealed bearing has a wide application range, and can simultaneously carry out bearing grease leakage tests on standard and non-standard miniature bearings and small and medium-sized bearings by using the same testing machine, so that the purpose of carrying out grease leakage tests on bearings of different models is achieved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a diagram of a test interface for a radial load free micro bearing according to the present invention.

Fig. 3 is a diagram of a test interface of a small and medium-sized bearing with radial load of the utility model.

Fig. 4 is a prior art schematic.

In the figure, 1, a loading handle; 2. testing the organism; 3. a drive shaft; 4. a frequency converter; 5. a pressure load sensor; 6. replacing the shaft; 7. testing the bearing; 8. frequency converter base.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, the examples of which are set forth merely to illustrate the utility model and are not intended to limit the scope of the utility model.

The utility model provides a special fat testing machine that leaks of sealed bearing, including loading handle 1, experimental organism 2, transmission shaft 3, converter 4, pressure load sensor 5, change axle 6 and converter base 8, experimental organism 2C font structure, 2 middle parts of experimental organism are provided with the mesopore, converter 4 passes through converter base 8 and sets up at experimental organism 2 sides, transmission shaft 3 is connected and passes experimental organism 2's mesopore with converter 4, it is connected and is located experimental organism 2 middle part with transmission shaft 3 to change axle 6, experimental bearing 7 is installed on changing axle 6, loading handle 1 stretches into experimental organism 2 middle part through its pole portion, pressure load sensor 5 sets up at 1 pole portion of loading handle and pressfitting on experimental bearing 7.

In order to make the test effect better and improve the reliability of the test. The frequency converter 4 of the special grease leakage testing machine for the sealed bearing is an AC-DC frequency converter.

The applicability of the bearing testing device is improved in order to meet the requirements of different types of bearings for testing. The diameter of the replacement shaft 6 of the special grease leakage testing machine for the sealed bearing can be replaced according to the size of the test bearing 7. More preferably, the replacement shaft 6 is suitable for a non-radial-load micro bearing and a radial-load medium-small bearing.

In order to prolong the service life of the device and meet the use requirements. The testing machine body 2 of the special grease leakage testing machine for the sealed bearing is made of stainless steel materials.

The right-end electric main shaft is adjusted through the frequency converter 4 to achieve the rotating speed required by the test, and is flexibly connected to the transmission shaft 3 through the flange plate, and the test shaft 7 is installed at the left end of the transmission shaft 3 (the test shaft can be changed according to the parameters of the test bearing as required). The test bearing 7 is installed on the test shaft, the bearing outer ring is installed in the bearing seat, the pressure load sensor 5 is fixedly installed at the upper end of the bearing seat to control the load required by the test through the upper end loading handle 1, and the purpose of performing grease leakage tests on bearings of different models is achieved by replacing the test shaft and the bearing seat. The test shaft structure provides two structures of a miniature bearing and a medium-small bearing, so that the grease leakage test machine can realize grease leakage tests of the miniature bearing and the medium-small bearing.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a special fat testing machine that leaks of sealed bearing which characterized in that: the special grease leakage testing machine for the sealed bearing comprises a loading handle (1), a testing machine body (2), a transmission shaft (3), a frequency converter (4), a pressure load sensor (5), a replacing shaft (6) and a frequency converter base (8), the test machine body (2) is of a C-shaped structure, a middle hole is arranged in the middle of the test machine body (2), the frequency converter (4) is arranged on the side of the test machine body (2) through a frequency converter base (8), the transmission shaft (3) is connected with the frequency converter (4) and passes through the middle hole of the test machine body (2), the replacing shaft (6) is connected with the transmission shaft (3) and is positioned in the middle of the inner part of the test machine body (2), the test bearing (7) is arranged on the replacing shaft (6), the loading handle (1) extends into the middle part of the test machine body (2) through the rod part of the loading handle, and the pressure load sensor (5) is arranged at the rod part of the loading handle (1) and is pressed on the test bearing (7).

2. The special grease leakage testing machine for the sealed bearing according to claim 1, is characterized in that: the frequency converter (4) is an AC-DC frequency converter.

3. The special grease leakage testing machine for the sealed bearing according to claim 2, is characterized in that: the diameter of the replacement shaft (6) can be replaced according to the size of the test bearing (7).

4. The special grease leakage testing machine for the sealed bearing according to claim 3, is characterized in that: the replacement shaft (6) is suitable for a non-radial-load micro bearing and a radial-load medium-small bearing.

5. The special grease leakage testing machine for the sealed bearing according to claim 4, is characterized in that: the test machine body (2) is made of stainless steel materials.