CN215375467U

CN215375467U - Bearing rolling element speed measuring device

Info

Publication number: CN215375467U
Application number: CN202121002339.7U
Authority: CN
Inventors: 赵彦玲; 王明珠
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-12-31
Anticipated expiration: 2031-05-12

Abstract

The utility model relates to a bearing rolling body speed measuring device, which relates to the field of optical control of speed measurement and comprises a high-speed camera, an auxiliary illuminating lamp, a test bearing, a bearing seat, a connecting shaft, a connector, a base, a motor seat, a computer, a power supply and connecting components, wherein the test bearing is fixed through the bearing seat; when the motor runs, the test bearing is driven to run, the auxiliary illuminating lamp is electrified and lighted up, the high-speed camera rapidly and repeatedly samples the motion of the bearing rolling body in a short time and displays the sample on the computer, and the average speed of the motion of the rolling body of the bearing in the time period is deduced by recording the displacement change of the bearing rolling body and the motion time.

Description

Bearing rolling element speed measuring device

Technical Field

The utility model relates to a bearing rolling element speed measuring device which is suitable for measuring and calculating the motion speed of a bearing rolling element. The present invention relates to the field of optical control of velocity measurement.

Background

The utility model provides a bearing rolling element speed measuring device, which can realize the measurement and calculation of the speed of the rolling element of the bearing under high-speed operation, and analyze and predict the operation performance and the service life of the bearing, and has simple structure and easy operation.

Disclosure of Invention

The utility model provides a bearing rolling element speed measuring device.

The basic technical scheme is as follows: a bearing rolling body speed measuring device comprises a high-speed camera, an auxiliary illuminating lamp, a test bearing, a bearing seat, a connecting shaft, a connector, a base, a motor seat, a computer, a power supply and connecting components, wherein the tested bearing is fixed through the bearing seat, the motor is fixed through the motor seat, the bearing seat and the motor seat are fixed on the base, the bearing is connected with the motor through the connecting shaft and the connector, and the high-speed camera is connected with the computer through a network cable; when the motor drives the bearing to operate when operating, at the moment, the auxiliary illuminating lamp is electrified and lightened, the high-speed camera starts to quickly and repeatedly sample the motion of the rolling body of the bearing to be tested in a short time and display the sample on the computer, the integrity of the rolling body of the bearing in the motion process can be observed, the average speed of the rolling body moving in the raceway can be measured and calculated, and the fact is that the average speed of the rolling body moving in the time period of the bearing is deduced by measuring the displacement change of the rolling body moving and recording the time of the rolling body moving when the displacement change occurs.

The utility model utilizes the high-speed camera to measure and calculate the motion speed of the rolling body of the bearing, and the speed measuring method has the characteristics of simple operation, wide application occasions, reliable results, moderate precision and the like.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1: the general schematic diagram of a bearing rolling body speed measuring device;

FIG. 2 is a drawing: a high-speed camera measurement schematic diagram of a bearing rolling body speed measurement device;

FIG. 3: a bearing rolling body speed measuring device tests a bearing fixing schematic diagram;

FIG. 4 is a drawing: a motor fixing schematic diagram of a bearing rolling body speed measuring device;

FIG. 5: a bearing rolling body speed measuring device is connected with a schematic diagram.

Wherein: 101 high-speed camera, 102 test bearing, 103 bearing seat, 104 auxiliary lighting lamp, 105 motor, 106 motor seat, 107 base, 108 connecting shaft, 109 connector, 1010 high-speed camera power supply, 1011 computer, 1012 auxiliary lighting lamp power supply, 1013 motor power supply, 201 host, 202 lens, 203 pan-tilt-zoom, 204 tripod, 205 power supply wire, 206 network wire, 207 power supply, 208 computer, 301 bearing seat, 302 bearing seat, 3031 bolt a, 3032 bolt B, 3041 screw a, 3042 screw B, 3051 nut a, 3052 nut B, 401 motor seat, 402 motor seat, 4031 bolt C, 4032 bolt D, 4041 screw C, 4042 screw D, 4051 nut C, 4052 nut D, 501 connecting shaft, 502 connector, 503 connecting shaft jackscrew, 504 motor rotor jackscrew, 505 motor rotor.

Detailed Description

The utility model is described below with reference to the accompanying drawings:

as shown in fig. 1, a bearing rolling body speed measuring device comprises a high-speed camera 101, a test bearing 102, a bearing seat 103, an auxiliary illuminating lamp 104, a motor 105, a motor seat 106, a base 107, a connecting shaft 108, a connector 109, a high-speed camera power supply 1010, a computer 1011, an auxiliary illuminating lamp power supply 1012 and a motor power supply 1013, wherein the test bearing 102 is fixed on the base 107 through the bearing seat 103, the motor 105 is fixed on the base 107 through the motor seat 106, and the test bearing 102 is connected with the motor 105 through the connecting shaft 108 and the connector 109; after the power supply 1013 of the motor is powered on, the motor 105 is operated to drive the test bearing 102 to rotate, at this time, the high-speed camera 101 takes a picture of the test bearing 102 in a short time and samples the picture, the auxiliary illuminating lamp 104 is turned on, the obtained picture is clearer and brighter, the obtained image is transmitted to the computer 1011, and the image result is analyzed and calculated.

As shown in fig. 2, the high-speed video camera mainly comprises a host 201, a lens 202, a tripod 203, a tripod 204, a power line 205, and a network cable 206, wherein the tripod 203 is a component for connecting the host 201 and the tripod 204; the tripod 204 is used for supporting the whole high-speed camera, and can realize the left-right inclination, horizontal rotation, high-low lifting and pitching of the high-speed camera; the power line 205 is connected with the high-speed camera and the high-speed camera power supply 207 and provides a direct current power supply for the high-speed camera; the network 206 is used to connect the high speed camera and the computer 208, convert the collected optical image signal into an electrical signal and store it in the computer 208 to record the time of the rolling element moving when the displacement change is experienced, and derive the average speed of the rolling element moving in the bearing during this time period.

As shown in fig. 3, the test bearing is fixed on the base through a bearing seat 301 and a bearing base 302, the bearing base 302 is fixed on the base through a screw a3041 and a screw B3042, and the test bearing is connected and fixed between the bearing seat 301 and the bearing base 302 through a bolt a3031, a bolt B3032, a nut a3051 and a nut B3052.

As shown in fig. 4, the motor is fixed on the base through a motor base 401 and a motor base 402, the motor base 402 is fixed on the base through a screw C4041 and a screw D4042, and the motor base 401 and the motor base 402 are connected through a bolt C4031, a bolt D4032, a nut C4051 and a nut D4052 to fix the motor.

As shown in fig. 5, the test bearing is connected with the motor through a connecting shaft 501 and a connector 502, the connecting shaft 501 is connected with the inner ring of the test bearing, the connector 502 is connected with a motor rotor 505, the connecting shaft 501 is connected with the motor rotor 505 through the connector 502, the connecting shaft 501 and the connector 502 are fixed together through a connecting shaft jackscrew 503, and the motor rotor 505 and the connector 502 are fixed together through a motor rotor jackscrew 504, so that the synchronous motion of the test bearing and the motor is realized.

Claims

1. A bearing rolling element speed measuring device comprises a high-speed camera (101), a test bearing (102), a bearing seat (103), an auxiliary illuminating lamp (104), a motor (105), a motor seat (106), a base (107), a connecting shaft (108), a connector (109), a high-speed camera power supply (1010), a computer (1011), an auxiliary illuminating lamp power supply (1012), a motor power supply (1013) and is characterized in that: the test bearing (102) is fixed on the base (107) through the bearing seat (103), the motor (105) is fixed on the base (107) through the motor seat (106), the test bearing (102) is connected with the motor (105) through the connecting shaft (108) and the connector (109), the high-speed camera (101) shoots and samples the test bearing (102) in a short time, the auxiliary illuminating lamp (104) enables the shot pictures to be clearer and brighter, the obtained images are transmitted to the computer (1011), and the image results are analyzed and calculated.

2. A bearing rolling element speed measuring device according to claim 1, further characterized by: the high-speed camera (101) converts the collected optical image signals into electric signals and stores the electric signals on a computer (1011) to record the time of the movement of the rolling body when the rolling body undergoes the displacement change, and the average speed of the movement of the rolling body of the bearing in the time period is deduced.

3. A bearing rolling element speed measuring device according to claim 1, further characterized by: the testing bearing is connected with the motor through a connecting shaft (501) and a connector (502), the connecting shaft (501) is connected with an inner ring of the testing bearing, the connector (502) is connected with a motor rotor (505), and the connecting shaft (501) is connected with the motor rotor (505) through the connector (502).

4. A bearing rolling element speed measuring device according to claim 3, further characterized in that: the connecting shaft (501) and the connector (502) are fixed together through a connecting shaft jackscrew (503), and the motor rotor (505) and the connector (502) are fixed together through a motor rotor jackscrew (504), so that synchronous movement of the test bearing and the motor is realized.