Torque sensor metering calibration device
By designing a torque sensor calibration device that includes a support fixture, a horizontal drive unit, a commutator, and a force sensor, the problems of cumbersome operation and low efficiency in the existing technology are solved, and accurate calibration and automatic data processing of the torque sensor are realized.
Patent Information
- Application Number
- CN202520276048.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing torque sensor calibration methods are cumbersome and have low metrological efficiency. There is a need to design a new device that can achieve accurate calibration and automatic data acquisition.
A torque sensor calibration device was designed, comprising a support fixture, a horizontal drive unit, a commutator, a force sensor, and a transmission shaft. Through servo motor and computer control, the device enables automatic calibration and data processing of the torque sensor.
It enables accurate calibration of torque sensors and automatic data acquisition, improving the efficiency of metrology work.
Smart Images
Figure CN223856630U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of measurement calibration equipment, especially a torque sensor measurement calibration device. BACKGROUND
[0002] In the rotating power system, the torque sensor as a kind of display measuring value or the measuring instrument of monitoring the tightening process plays an important role in the equipment assembly process. At present, torque sensor usually adopts static weight type torque standard equipment to carry out measurement calibration, and its measurement principle is lever, weight loading principle, that is, special force value weight is loaded on the lever with constant arm length, standard torque value is generated, and the torque is transmitted to the measured torque sensor. Subsequently, by comparing the display value of the calibrated torque sensor with the standard torque value, the indication error of the measured torque sensor can be obtained. The calibration mode needs to load the weight according to the calibrated torque value, and the operation steps are more complicated, the measurement efficiency is low, so a new type of torque sensor measurement calibration device needs to be designed to calibrate the torque sensor. SUMMARY
[0003] The utility model aims at providing a kind of torque sensor measurement calibration device, accurate calibration to torque sensor can be realized, and the automatic acquisition and processing of measurement data are realized.
[0004] The technical solution for realizing the utility model aims at providing a kind of torque sensor measurement calibration device, accurate calibration to torque sensor can be realized, and the automatic acquisition and processing of measurement data are realized.
[0005] A kind of torque sensor measurement calibration device, comprising:
[0006] Support tooling is used to install first horizontal drive unit and second horizontal drive unit;
[0007] First torque sensor fixed interface connection and second torque sensor fixed interface connection are used to clamp and fix the two ends of the calibrated torque sensor;
[0008] First horizontal drive unit is connected with first torque sensor fixed interface connection to adjust the direction of first torque sensor fixed interface;
[0009] Second horizontal drive unit is used as torque source when calibration;
[0010] First reversing gear is used to change the lateral rotation of second horizontal drive unit into the longitudinal rotation of transmission shaft;
[0011] Force sensor is used to detect longitudinal tension and compression force for torque measurement;
[0012] Transmission shaft is used as force unit to connect force sensor and second reversing gear;
[0013] A second commutator is used to convert the longitudinal rotation of the transmission rotating shaft into the transverse rotation of the second transmission rotating shaft.
[0014] A second transmission rotating shaft is used to connect the second torque sensor fixed interface.
[0015] Compared with the prior art, the utility model has the remarkable advantages that:
[0016] The torque sensor measurement calibration device can accurately calibrate the torque sensor and automatically collect and process the measurement data. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the measurement structure schematic view of the torque sensor measurement calibration device.
[0018] Figure 2 is the structure schematic view of the torque sensor measurement calibration device. DETAILED DESCRIPTION
[0019] The utility model will be further described below in combination with the drawings and specific embodiments.
[0020] As shown in Figure 1 and 2 , the torque sensor measurement calibration device provided by the embodiment includes a first torque sensor fixed interface 1, a first servo motor rotating shaft 2, a first support frame 3, a first servo motor 4, a first motor data line 5, a computer 6, a force sensor data line 7, a second motor data line 8, a second servo motor 9, a second servo motor rotating shaft 10, a first commutator 11, a force sensor 12, a transmission rotating shaft 13, a support tool 14, a second commutator 15, a second transmission rotating shaft 16, a second torque sensor fixed interface 17, and a second support frame 18.
[0021] The first servo motor 4 is fixed on the supporting tool 14, the first servo motor rotating shaft 2 of the first servo motor 4 is rotatably supported on the first supporting frame 3, and the first supporting frame 3 is fixed on the supporting tool 14; the first servo motor rotating shaft 2 is horizontally arranged and is fixed with the first torque sensor fixed interface 1. The second servo motor 9 is fixed on the supporting tool 14, the second servo motor rotating shaft 10 of the second servo motor 9 is connected with one end of the first commutator 11, the second servo motor rotating shaft 10 is horizontally arranged, and the first commutator 11 is used for converting the transverse rotation of the second servo motor rotating shaft 10 into the longitudinal rotation of the transmission rotating shaft. The other end of the first commutator 11 is connected with the force sensor 12, the force sensor 12 is connected below the transmission rotating shaft 13, the upper end of the transmission rotating shaft 13 is connected with one end of the second commutator 15, the other end of the second commutator 15 is connected with the second transmission rotating shaft 16, the second commutator 15 is used for converting the longitudinal rotation of the transmission rotating shaft 13 into the transverse rotation, the second transmission rotating shaft 16 is rotatably supported on the second supporting frame 18 and is fixed with the second torque sensor fixed interface 17, the second supporting frame 18 is fixed on the supporting tool 14, and the first commutator 11 and the second commutator 15 are fixed on the supporting tool 14 through the support (not shown in the figure).
[0022] The first servo motor 4 and the second servo motor 9 are respectively connected with the computer 6 (as a control unit) through the first motor data line 5 and the second motor data line 8, and the force sensor 12 is connected with the computer 6 through the force sensor data line 7. The computer 6 is used for controlling the rotation of the first servo motor 4 and the second servo motor 9.
[0023] The commutator is a right-angle commutator.
[0024] In use, first, by adjusting the rotation direction of the first servo motor 4, the first torque sensor fixed interface 1 and the first servo motor rotating shaft 2 are simultaneously rotated, so that the interface direction of the first torque sensor fixed interface 1 is consistent with the direction of the second torque sensor fixed interface 17, the calibrated torque sensor 19 is connected and fixed with the first torque sensor fixed interface 1 and the second torque sensor fixed interface 17 respectively, then the servo motor 4 is connected with the computer 6 through the first motor data line 5, the force sensor 12 is connected with the computer 6 through the force sensor data line 7, and the second servo motor 9 is connected with the computer 6 through the second motor data line 8, and then the calibration of the torque sensor is started. After the calibrated torque sensor 19 is installed, the first servo motor 4 stops rotating and is in a locked state, the torque source for calibration is the second servo motor 9, the output torque is finally transmitted to the second torque sensor fixed interface 17 through the second servo motor rotating shaft 10, the first reversing device 11, the force sensor 12, the transmission rotating shaft 13, the second reversing device 15 and the second transmission rotating shaft 16 to calibrate the torque sensor (in this process, the first torque sensor fixed interface 1 is stationary, and the second torque sensor fixed interface 17 rotates), the force sensor 12 is twisted and moves axially by a small amount through the second servo motor rotating shaft 10 and the first reversing device 11 to generate tension and compression force. According to the torque calculation formula, the product of force and arm is the torque, the arm of the force sensor 12 in the calibration device is the total length of the second reversing device 15 and the second transmission rotating shaft 16, which is a constant value, so the torque value and the force value are in a fixed proportional relationship, and the torque value measured by the force sensor 12 can be determined, which is used as a standard value for detecting the calibrated torque sensor 19. The second servo motor 9 is controlled to rotate by the value detected by the computer 6 through the force sensor 12, when the sensor 12 detects the set value, the second servo motor 9 stops rotating, and the force generated by the second servo motor rotating shaft 10, the first reversing device 11, the force sensor 12 and the transmission rotating shaft 13 is applied to the second reversing device 15; when the force sensor 12 measures the value i, the second servo motor 9 stops rotating and remains, and the display value y of the calibrated torque sensor 19 is recorded, the torque difference between the standard torque value x and the calibrated torque value y is calculated to complete the calibration of the torque value once, and all calibration points of the torque sensor are measured and calibrated in the same way.
Claims
1. A torque sensor metrological calibration device, characterized by, The application relates to a torque sensor calibration device, comprising: a support tool for mounting a first horizontal drive unit and a second horizontal drive unit; a first torque sensor fixed interface connection and a second torque sensor fixed interface connection for clamping and fixing two ends of a torque sensor to be calibrated; the first horizontal drive unit is connected with the first torque sensor fixed interface connection to adjust the direction of the first torque sensor fixed interface connection; the second horizontal drive unit is used as a torque source during calibration; a first reversing device is used for converting the lateral rotation of the second horizontal drive unit into longitudinal rotation of a transmission shaft; a force sensor is used for detecting longitudinal tension and compression force for torque measurement; the transmission shaft is used as a force transmission unit for connecting the force sensor and a second reversing device; the second reversing device is used for converting the longitudinal rotation of the transmission shaft into lateral rotation of a second transmission shaft; the second transmission shaft is used for connecting the second torque sensor fixed interface.
2. The torque sensor metrology calibration device of claim 1, wherein, The total length of the second reversing device and the second transmission shaft is used as a force arm for torque measurement.
3. The torque sensor metrology calibration device of claim 1, wherein, The device further comprises a control unit for controlling the rotation of the first horizontal drive unit and the second horizontal drive unit.
4. The torque sensor metroprol calibration device of claim 1, wherein, The first horizontal drive unit comprises a first servo motor, the first servo motor is fixed on the support tool, a first servo motor rotating shaft of the first servo motor is rotatably supported on a first support frame, and the first support frame is fixed on the support tool 1; the first servo motor rotating shaft is horizontally arranged and fixed with the first torque sensor fixed interface.
5. The torque sensor metrology calibration device of claim 1, wherein, The second horizontal drive unit comprises a second servo motor, the second servo motor is fixed on the support tool, a second servo motor rotating shaft of the second servo motor is connected with one end of the first reversing device, and the second servo motor rotating shaft is horizontally arranged.
6. The torque sensor metroprol calibration device of claim 1, wherein, The device further comprises a control unit for controlling the rotation of the first horizontal drive unit and the second horizontal drive unit, and a force sensor for transmitting the detection result to the control unit to control the rotation of the second horizontal drive unit.
7. The torque sensor metroprol calibration device of claim 3, wherein, The control unit adopts a computer.
8. The torque sensor metroprol calibration device of claim 1, wherein, The reversing device adopts a right-angle reversing device.