CN216483945U

CN216483945U - Performance detection device of radial sliding bearing

Info

Publication number: CN216483945U
Application number: CN202122941997.9U
Authority: CN
Inventors: 翁贵祥; 周桂源; 王春梅; 张立欣; 代小林; 彭磊; 曹春华
Original assignee: Chongqing Gearbox Co Ltd
Current assignee: Chongqing Gearbox Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-10
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a performance detection device of a radial sliding bearing, which comprises a gearbox box body, wherein a transmission shaft is arranged in the gearbox box body, a bearing to be detected is sleeved in the middle of the transmission shaft, a bearing seat is arranged outside the bearing to be detected, a loading device is abutted to the bearing seat, and the loading device can move along the radial direction of the transmission shaft; and a data acquisition device is arranged beside the bearing to be measured. By adopting the utility model, a special detection device is arranged, the bearing to be detected is arranged in the box body through the transmission shaft, a bearing seat is arranged outside the bearing to be detected and is abutted with a loading device through the bearing seat, and the loading device can simulate the radial stress of the bearing to be detected as the loading device can move along the radial direction of the transmission shaft; the state of the bearing to be tested is monitored through a data acquisition device beside the bearing to be tested, corresponding data are returned, the specific state value of the bearing to be tested when bearing different loading forces can be obtained, the obtained data are analyzed, and the improved design of the bearing is facilitated.

Description

Performance detection device of radial sliding bearing

Technical Field

The utility model relates to the field of radial sliding bearings, in particular to a performance detection device of a radial sliding bearing.

Background

The radial sliding bearing has the advantages of strong bearing capacity, stable operation, good shock resistance, long service life and the like, so the radial sliding bearing is widely applied to a transmission system, is an important component of a speed reducer core particularly in speed reducer transmission, and directly influences the power loss and high reliability of the speed reducer. Therefore, in order to improve the overall performance of the speed reducer, necessary tests and performance studies on the sliding bearing applied in the speed reducer are required, for example, when the sliding bearing is under different load, rotating speed or lubricating conditions, the sliding bearing is subjected to adjustment experiments in the aspects of structural design, material selection, manufacturing process and the like, corresponding related data is obtained, and then comparative test verification is performed, so that the sliding bearing with high performance, high stability and high reliability is designed and manufactured, and the reliability of the speed reducer is improved.

At present, when testing a radial sliding bearing, there are two conventional test methods:

(1) the method comprises the following steps that (1) after-shelf test verification is carried out on an installation machine, the problems of single monitoring point and small quantity exist due to the influence of self equipment conditions, and test data are lost; in addition, the test verification time is short, the stability and the reliability of the test verification time cannot be predicted, and a large operation risk exists;

(2) practical application verifies that due to the fact that actual operation conditions are not fixed, test data are poor in reproducibility and reliability; and the test result is comprehensively influenced by multiple factors, and the problem that single-factor investigation is difficult to carry out also exists.

Disclosure of Invention

The utility model aims to: the performance detection device of the radial sliding bearing is convenient to detect aiming at the problem that the performance of the radial sliding bearing in the prior art is inconvenient to detect, so that the radial sliding bearing is difficult to improve, and the reliability of a speed reducer is influenced.

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

a performance detection device of a radial sliding bearing comprises a gearbox body, wherein a transmission shaft is arranged in the gearbox body, a bearing to be detected is sleeved in the middle of the transmission shaft, a bearing seat is arranged outside the bearing to be detected, a loading device is abutted to the bearing seat, and the loading device can move along the radial direction of the transmission shaft; and a data acquisition device is arranged beside the bearing to be detected.

According to the technical scheme, the special detection device is arranged, the bearing to be detected is arranged in the box body through the transmission shaft, the bearing to be detected is externally provided with the bearing seat and is connected with the loading device in an abutting mode through the bearing seat, and the loading device can move along the radial direction of the transmission shaft, so that the loading device can simulate the radial stress of the bearing to be detected; the state of the bearing to be tested is monitored through a data acquisition device beside the bearing to be tested, corresponding data are returned, the specific state value of the bearing to be tested when bearing different loading forces can be obtained, the obtained data are analyzed, and the improved design of the bearing is facilitated.

Furthermore, the data acquisition device is provided with two displacement sensors with 90-degree installation directions, and the displacement sensors are fixed on the bearing block. The two displacement sensors are arranged at 90 degrees, so that the specific data of the position change of the transmission shaft can be obtained from two different directions, and the acquisition of the position change data is more reliable.

Furthermore, the data acquisition device also comprises a torque meter, a pressure sensor and a temperature sensor. And the relevant data of the bearing to be tested is measured and collected, so that the structural performance of the bearing to be tested can be conveniently analyzed subsequently.

Furthermore, a stop valve and a flow sensor for lubricating oil are arranged outside the box body. The stop valve and the flow sensor control the oil quantity of the lubricating oil in the box body.

Furthermore, the box body is provided with an observation window. The observation window is convenient for observing the real-time state of the bearing to be measured in the box body.

Further, the box body comprises a lower box body, a middle box body and a box cover which are connected through bolts; the two ends of the transmission shaft are respectively provided with a first supporting bearing and a second supporting bearing, and the first supporting bearing and the second supporting bearing are transversely arranged between the lower box body and the middle box body through the two bearings.

Furthermore, the horizontal joint groove that is equipped with of bearing frame, the joint inslot is equipped with spacing and the two at vertical direction clearance fit, and the other end of spacing is fixed on the box. The bearing seat can move along the vertical direction due to the clamping groove and the limiting frame which are in clearance fit in the vertical direction, and meanwhile, the bearing seat is not rotated in the circumferential direction and is not moved in the axial direction.

Furthermore, the loading device is arranged right below the bearing assembly, the loading device partially extends into the box body, and the hydraulic equipment, the connecting shaft and the load sensor are sequentially arranged from low to high; the hydraulic equipment is arranged outside the box body, the connecting shaft penetrates through a piston of the box body, and the load sensor is abutted to the bearing seat. The hydraulic equipment can be installed on the ground, penetrates through the piston and acts on the bearing to be tested in the radial direction through the connecting shaft and the load sensor.

Furthermore, a positioning pin is arranged between the bearing to be measured and the bearing seat along the radial direction. Ensuring that the bearing to be measured and the bearing seat do not rotate relatively, and measuring data of the bearing to be measured at different angles; the bearing seat can be provided with a plurality of positioning holes, and the relative position of the bearing to be measured and the bearing seat can be changed by changing the positioning holes connected by the positioning pins.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

the special detection device is arranged, the bearing to be detected is arranged in the box body through the transmission shaft, a bearing seat is arranged outside the bearing to be detected and is abutted with the loading device through the bearing seat, and the loading device can simulate the radial stress of the bearing to be detected as the loading device can move along the radial direction of the transmission shaft; the state of the bearing to be tested is monitored through a data acquisition device beside the bearing to be tested, corresponding data are returned, the specific state value of the bearing to be tested when bearing different loading forces can be obtained, the obtained data are analyzed, and the improved design of the bearing is facilitated.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a cross-sectional view in the X direction of a performance detection device of a radial sliding bearing of the present invention.

Fig. 2 shows a Y-direction cross-sectional view of the performance detection device of the radial sliding bearing of the present invention.

Fig. 3 is an external structural view showing a performance detecting device of a radial sliding bearing of the present invention.

Wherein the figures include the following reference numerals:

1. a drive shaft; 2. a bearing to be tested; 3. a bearing seat; 4. a displacement sensor; 5. a torque meter; 6. a pressure sensor; 7. a temperature sensor; 8. a stop valve; 9. a flow sensor; 10. an observation window; 11. a lower box body; 12. a middle box body; 13. a box cover; 14. a first support bearing; 15. a second support bearing; 16. a limiting frame; 17. a hydraulic device; 18. a connecting shaft; 19. a load sensor; 20. a piston; 21 positioning pins.

Detailed Description

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and 2, a performance detection device for a radial sliding bearing comprises a gearbox body, wherein a transmission shaft 1 is arranged in the gearbox body, a bearing 2 to be detected is sleeved in the middle of the transmission shaft 1, a bearing seat 3 is arranged outside the bearing 2 to be detected, and a loading device is abutted to the bearing seat 3 and can move along the radial direction of the transmission shaft 1; a data acquisition device is arranged beside the bearing to be measured 2.

According to the technical scheme, the special detection device is arranged, the bearing 2 to be detected is arranged in the box body through the transmission shaft 1, the bearing seat 3 is arranged outside the bearing 2 to be detected, and the loading device is abutted through the bearing seat 3, and can move along the radial direction of the transmission shaft 1, so that the loading device can simulate the radial stress of the bearing 2 to be detected; the state of the bearing 2 to be tested is monitored through a data acquisition device beside the bearing 2 to be tested, corresponding data are returned, the specific state numerical value of the bearing 2 to be tested when bearing different loading forces can be obtained, the obtained data are analyzed, and the improved design of the bearing is facilitated.

Further, the data acquisition device is provided with two displacement sensors 4 with 90-degree installation directions, and the displacement sensors 4 are fixed on the bearing block 3. The two displacement sensors 4 are arranged at 90 degrees, so that specific data of the position change of the transmission shaft 1 can be obtained from two different directions, and the acquisition of the position change data is more reliable.

Further, the data acquisition device also comprises a torque meter 5, a pressure sensor 6 and a temperature sensor 7. And the relevant data of the bearing 2 to be tested is measured and collected, so that the structural performance of the bearing 2 to be tested can be conveniently analyzed subsequently.

Further, a stop valve 8 for lubricating oil and a flow sensor 9 are arranged outside the box body. The stop valve 8 and the flow sensor 9 control the amount of lubricating oil in the tank.

As shown in fig. 3, the box body is further provided with an observation window 10. The observation window 10 is convenient for observing the real-time state of the bearing 2 to be measured in the box body.

Further, the box body comprises a lower box body 11, a middle box body 12 and a box cover 13 which are connected through bolts; the transmission shaft 1 is provided at both ends thereof with a first support bearing 14 and a second support bearing 15, respectively, and is transversely disposed between the lower case 11 and the middle case 12 through the two bearings.

Further, the horizontal joint groove that is equipped with of bearing frame 3, the joint inslot is equipped with spacing 16 and the two at vertical direction clearance fit, and the other end of spacing 16 is fixed on the box. At vertical direction clearance fit's joint groove and spacing 16 for bearing frame 3 can move along vertical direction, and 3 circumference irrotations of bearing frame, axial are unmovable simultaneously, are convenient for to the measurement of 2 radial data of bearing that await measuring.

Further, the loading device is arranged right below the bearing assembly, the part of the loading device extends into the box body, and the hydraulic equipment 17, the connecting shaft 18 and the load sensor 19 are sequentially arranged from low to high; the hydraulic device 17 is arranged outside the housing, the connecting shaft 18 penetrates a piston 20 of the housing, and the load sensor 19 abuts against the bearing block 3. The hydraulic device 17 can be mounted on the ground, the hydraulic device 17 passing through the piston 20 and acting a force on the bearing 2 to be measured in a radial direction through the connecting shaft 18 and the load sensor 19.

Further, a positioning pin 21 is installed between the bearing 2 to be measured and the bearing seat 3 along the radial direction. The bearing 2 to be measured and the bearing seat 3 are ensured not to rotate relatively, and data of the bearing 2 to be measured at different angles can be measured.

The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The performance detection device of the radial sliding bearing is characterized by comprising a gear box body, wherein a transmission shaft (1) is arranged in the gear box body, a bearing (2) to be detected is sleeved in the middle of the transmission shaft (1), a bearing seat (3) is arranged outside the bearing (2) to be detected, a loading device is abutted to the bearing seat (3), and the loading device can move along the radial direction of the transmission shaft (1); and a data acquisition device is arranged beside the bearing (2) to be detected.

2. A device for detecting the performance of a radial sliding bearing according to claim 1, characterized in that the data acquisition device is provided with two displacement sensors (4) having an installation direction of 90 °, the displacement sensors (4) being fixed to the bearing block (3).

3. The device for detecting the performance of a radial sliding bearing according to claim 1, wherein the data acquisition device further comprises a torque meter (5), a pressure sensor (6) and a temperature sensor (7).

4. A performance testing device of a radial sliding bearing according to claim 1, characterized in that a shut-off valve (8) and a flow sensor (9) for lubricating oil are provided outside the casing.

5. A plain radial bearing performance testing device according to claim 1, characterized in that the casing is provided with a viewing window (10).

6. The performance detection device of a radial sliding bearing according to claim 1, characterized in that the case includes a lower case (11), an intermediate case (12), and a case cover (13) that are bolted; and a first supporting bearing (14) and a second supporting bearing (15) are respectively arranged at two ends of the transmission shaft (1), and are transversely arranged between the lower box body (11) and the middle box body (12) through the two bearings.

7. The performance testing device of the radial sliding bearing according to claim 6, characterized in that the bearing seat (3) is transversely provided with a clamping groove, the clamping groove is internally provided with a limiting frame (16) which is in clearance fit with the limiting frame in the vertical direction, and the other end of the limiting frame (16) is fixed on the box body.

8. The device for detecting the performance of a radial sliding bearing according to claim 1, wherein a bearing assembly is arranged above the loading device, the loading device partially extends into the box body, and a hydraulic device (17), a connecting shaft (18) and a load sensor (19) are arranged in sequence from low to high; the hydraulic equipment (17) is arranged outside the box body, the connecting shaft (18) penetrates through a piston (20) of the box body, and the load sensor (19) is abutted to the bearing seat (3).

9. The device for detecting the performance of a radial sliding bearing according to claim 1, characterized in that a positioning pin (21) is installed in the radial direction between the bearing (2) to be tested and the bearing housing (3).