Angular contact bearing running-in and friction torque monitoring equipment
By designing angular contact bearing running and friction torque monitoring equipment, using loading devices and force measuring sensors, the problems of cumbersome operation and insufficient accuracy of traditional friction torque measurement methods are solved, and simpler and more accurate friction torque measurement is achieved.
Patent Information
- Application Number
- CN202421767572.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-25
AI Technical Summary
Traditional friction torque measuring instruments are measured by hanging weights, and have cumbersome operations, human factors have a great influence, and the measurement principle is complex and the accuracy is insufficient.
A angular contact bearing running and friction torque monitoring device is designed. The loading device is provided to provide vertical downward pressure for the measured bearing to ensure stable rotation of the bearing, and the friction torque is measured using a force sensor.
The measurement principle is simplified, the accuracy and intuitiveness of the measurement are improved, and the cumbersome operation and human factors are avoided in traditional methods.
Smart Images
Figure CN222895904U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of friction torque measurement, in particular to an angular contact bearing running-in and friction torque monitoring device. Background Art
[0002] The measurement of friction torque is generally carried out at a low speed and in a stable state, and requires a high spindle rotation accuracy. However, the traditional friction torque measuring instrument measures the friction torque of the shaft system by hanging weights, which is cumbersome to operate and is greatly affected by human factors. Utility Model Content
[0003] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide an angular contact bearing running-in and friction torque monitoring device. Through the loading device, vertical downward pressure can be provided to the measured bearing to ensure the stable rotation of the measured bearing. Compared with the previous technology, the measurement principle is simpler and more intuitive, and the measurement is more accurate. It avoids the shortcomings of cumbersome operation and great influence of human factors when measuring the friction torque of the shaft system by hanging weights in the past.
[0004] One of the purposes of the utility model is achieved by the following technical solution: an angular contact bearing running-in and friction torque monitoring device, comprising a measuring machine, a driving motor is installed inside the measuring machine, a reducer is installed at the output end of the driving motor, a force measuring spindle is rotatably installed in the middle of the measuring machine, a bearing placement seat is fixedly connected to the upper part of the force measuring spindle, the reducer is fixedly connected to the force measuring spindle, a loading device is arranged on the measuring machine and above the bearing placement seat, the loading device comprises a frame, an electric push rod fixedly installed on the frame, a pressure head is rotatably connected to the output end of the electric push rod, and the pressure head can apply pressure to the bearing, an adjusting device is arranged on the measuring machine and outside the loading device, the adjusting device comprises a frame body with the same height as the measured bearing, a slide seat is fixedly connected to the upper part of the frame body, a cylinder is fixedly connected to the side of the frame body, a slider is fixedly connected to the output end of the cylinder, the slider is slidably connected to the slide seat, and a force sensor is fixedly installed at the end of the slider. The loading device can provide vertical downward pressure to the bearing under test to ensure the stable rotation of the bearing under test. Compared with previous technologies, the measurement principle is simpler and more intuitive, and the measurement is more accurate. It avoids the shortcomings of cumbersome operation and great influence of human factors when measuring the friction torque of the shaft system by hanging weights.
[0005] According to the angular contact bearing running-in and friction torque monitoring device, the lower part of the measuring machine platform is fixedly connected with support legs, and the number of the support legs is four.
[0006] According to the angular contact bearing running-in and friction torque monitoring device, a controller is provided on the measuring machine.
[0007] According to the angular contact bearing running-in and friction torque monitoring device, the frame is located outside the bearing to be tested.
[0008] Beneficial Effects
[0009] Compared with the prior art, the loading device provided in the present invention can provide vertical downward pressure to the measured bearing, thereby ensuring the stable rotation of the measured bearing. The measurement principle is simpler and more intuitive than that of previous technologies, and the measurement is more accurate, thus avoiding the shortcomings of cumbersome operation and great influence of human factors when measuring the friction torque of the shaft system by hanging weights in the past.
[0010] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0012] Figure 1 The utility model is a structural schematic diagram of an angular contact bearing running-in and friction torque monitoring device.
[0013] Legend:
[0014] 1. Adjustment device; 2. Force sensor; 3. Loading device; 4. Bearing to be measured; 5. Force measuring spindle; 6. Reducer; 7. Drive motor; 8. Measuring machine. DETAILED DESCRIPTION
[0015] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0016] Reference Figure 1The utility model embodiment is an angular contact bearing running-in and friction torque monitoring device, which includes a measuring machine 8, the lower part of the measuring machine 8 is fixedly connected to a support leg, the number of the support legs is four, the measuring machine 8 is provided with a controller, a driving motor 7 is installed inside the measuring machine 8, a reducer 6 is installed at the output end of the driving motor 7, a force measuring spindle 5 is rotatably installed in the middle of the measuring machine 8, the upper part of the force measuring spindle 5 is fixedly connected to a bearing placement seat, the reducer 6 is fixedly connected to the force measuring spindle 5, a loading device 3 is arranged on the measuring machine 8 and above the bearing placement seat, the loading device 3 includes a frame, the frame is located on the outside of the measured bearing 4, an electric push rod fixedly installed on the frame, the output end of the electric push rod is rotatably connected to a pressure head, the pressure head can apply pressure to the bearing, an adjusting device 1 is arranged on the measuring machine 8 and outside the loading device 3, the adjusting device 1 includes a frame body at the same height as the measured bearing 4, and a sliding seat is fixedly connected to the upper part of the frame body, A cylinder is fixedly connected to the side of the frame, and a slider is fixedly connected to the output end of the cylinder. The slider is slidably connected to the slide seat, and a force sensor 2 is fixedly installed on the end of the slider. First, the bearing 4 to be monitored is placed on the bearing placement seat, and then the loading device 3 works. The electric push rod drives the pressure head to move downward, and the pressure head provides downward pressure on the bearing 4 to ensure the stability of the placement of the bearing 4 to be measured. Then the driving motor 7 is energized to work, and the force measuring spindle 5 is driven to rotate through the reducer 6. Then the cylinder drives the slider to move, and the slider moves on the slide seat, so that the force sensor 2 and the bearing 4 to be measured contact with each other. The force sensor 2 blocks the rotation of the bearing 4 to be measured. The contact point from the blocking to the axis of the bearing 4 to be measured is the force arm. The value of the force sensor 2 is read and multiplied by the force arm value to obtain the torque that hinders the rotation of the bearing, that is, the friction torque when the bearing rotates. The cylinder can adjust the position of the force sensor 2 to ensure that the force sensor 2 can fully contact with bearings of different sizes. By setting up the loading device 3, vertical downward pressure can be provided to the measured bearing 4 to ensure the stable rotation of the measured bearing 4. Compared with the previous technology, the measurement principle is simpler and more intuitive, and the measurement is more accurate. It avoids the shortcomings of cumbersome operation and great influence of human factors when measuring the friction torque of the shaft system by hanging weights in the past.
[0017] Working principle: first place the bearing 4 to be monitored on the bearing placement seat, then the loading device 3 works, the electric push rod drives the pressure head to move downward, the pressure head provides downward pressure on the bearing 4 to ensure the stability of the bearing 4, then the driving motor 7 is energized to work, and the force measuring spindle 5 is driven to rotate through the reducer 6, and then the cylinder drives the slider to move, the slider moves on the slide seat, so that the force sensor 2 and the bearing 4 to be measured are in contact with each other, the force sensor 2 blocks the rotation of the bearing 4 to be measured, and the contact point from the blocking to the axis of the bearing 4 to be measured is the force arm. Read the value of the force sensor 2 and multiply it by the force arm value to get the torque that hinders the rotation of the bearing, which is the friction torque when the bearing rotates. The cylinder can adjust the position of the force sensor 2 to ensure that the force sensor 2 can fully contact with bearings of different sizes.
[0018] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. An angular contact bearing running-in and friction torque monitoring device, comprising a measuring machine (8), characterized in that: A driving motor (7) is installed inside the measuring machine (8), and a reducer (6) is installed at the output end of the driving motor (7). A force measuring spindle (5) is rotatably installed in the middle of the measuring machine (8), and a bearing placement seat is fixedly connected to the upper part of the force measuring spindle (5). The reducer (6) is fixedly connected to the force measuring spindle (5). A loading device (3) is arranged on the measuring machine (8) and above the bearing placement seat. The loading device (3) includes a frame, an electric push rod fixedly installed on the frame, and a bearing support. The output end of the electric push rod is rotatably connected to a pressure head, and the pressure head can apply pressure to the bearing. An adjustment device (1) is arranged on the measuring machine (8) and located outside the loading device (3). The adjustment device (1) includes a frame body with the same height as the measured bearing (4). The upper part of the frame body is fixedly connected to a slide seat, the side of the frame body is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a slider, the slider is slidably connected to the slide seat, and the end of the slider is fixedly installed with a force sensor (2).
2. The angular contact bearing running-in and friction torque monitoring device according to claim 1, characterized in that: The lower part of the measuring machine platform (8) is fixedly connected with supporting legs, and the number of the supporting legs is four.
3. The angular contact bearing running-in and friction torque monitoring device according to claim 1, characterized in that: The measuring machine (8) is provided with a controller.
4. The angular contact bearing running-in and friction torque monitoring device according to claim 1, characterized in that: The frame is located outside the bearing (4) to be tested.