CN202684821U - Side force-free automatic detection device for torque wrench - Google Patents

Abstract

The utility model discloses a side force-free automatic detection device for a torque wrench. The side force-free automatic detection device for the torque wrench comprises a standard torque sensor, a wrench body, a driving device and a control system, and is characterized by also comprising a side force elimination device and a calibration device, wherein the side force elimination device is arranged on the standard torque sensor, and is connected with the wrench body; the wrench body is connected with the calibration device and the driving device; and the calibration device, the standard torque sensor and the driving device are connected with the control system. In such a way, the magnitude of a loading force value can be accurately controlled and adjusted, so that a test is accurate and reliable, and damage to the torque wrench in the test is avoided; and moreover, the device can be automatically operated, so that the labor intensity of a detector is reduced.

Description

Torque wrench without lateral force automatic verification device

technical field

The utility model belongs to the technical field of mechanical measuring instruments, in particular to an automatic verification device for torque wrench without lateral force.

Background technique

Torque wrenches are widely used in daily life. During the production and trial of wrenches, it is required to measure and calibrate the torque of torque wrenches. The current torque wrench calibrator mainly uses the calibrator to directly pull the wrench to apply torque, or the calibrator to turn the handwheel to apply torque to the torque wrench through the screw rod. Due to the existing detection method, there is a lateral force in the torque wrench during the detection process, which often makes the detection and calibration data of the torque wrench inaccurate, and because the force is applied manually, the force is not easy to control, and sometimes the applied torque is too large The torque wrench is damaged, and calibration personnel sometimes need to repeatedly apply force, which is very labor intensive.

Utility model content

Aiming at the deficiencies of the above-mentioned prior art, the main purpose of the utility model is to provide an automatic verification device for torque wrench without lateral force with accurate measurement, high calibration precision and high working efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: a torque wrench without side force automatic verification device, including a standard torque sensor, a wrench body, a driving device and a control system, the torque wrench without side force automatic verification The device also includes a lateral force elimination device and a calibration device, the lateral force elimination device is arranged on the standard torque sensor and connected with the wrench body, the wrench body is connected with the calibration device, the The wrench body is also connected with the driving device, and the calibration device, the standard torque sensor and the driving device are all connected with the control system.

Preferably, the lateral force eliminating device is a bearing.

Preferably, the control system is equipped with a PLC or a single-chip microcomputer or a computer, which is used to control the operation of each component in the whole device, and to perform data transmission and analysis.

The above technical scheme has the following beneficial effects: 1. The torque wrench without lateral force automatic verification device has simple structure, low cost, high precision and wide application range; 3. It can precisely control and adjust the magnitude of the loading force value, making the test more accurate and reliable, and avoiding damage to the torque wrench during the test; 4. The torque is applied without lateral force interference, and the measurement results are more accurate.

The above description is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with accompanying drawings. back. The specific embodiment of the utility model is given in detail by the following examples and accompanying drawings.

Description of drawings

Fig. 1 is a structural schematic diagram of a preferred embodiment of the utility model torque wrench non-lateral force automatic verification device.

Detailed ways

The preferred embodiments of the present utility model are described in detail below in conjunction with the accompanying drawings.

Please refer to FIG. 1 , the torque wrench automatic verification device without lateral force includes a control system 1 , a standard torque sensor 6 , a wrench body 4 , a driving device 2 , a lateral force eliminating device 5 and a calibration device 3 . The lateral force elimination device 5 is arranged on the standard torque sensor 6 and connected with the wrench body 4 , the wrench body 4 is connected with the calibration device 3 , and the wrench body 4 is also connected with the driving device 2 . The calibration device 3 , the standard torque sensor 6 and the driving device 2 are all connected to the control system 1 and controlled by the control system 1 .

When the torque wrench without side force automatic verification device is in use, the head of the wrench body 4 is connected with the side force eliminating device 5, the torque sensor of the wrench body 4 itself is connected with the calibration device 3, and the driving device 2 and the wrench body 4 are connected. Force points to connect.

When the test starts, the control system 1 controls the driving device 2 to apply force to the force application point of the wrench body 4, and the generated torque is transmitted to the standard torque sensor 6 after the lateral force is eliminated by the lateral force elimination device 5, and the standard torque sensor 6. Transfer the measured data to the control system 1, and compare it with the data displayed by the wrench body 4 itself, so as to complete the test. If the test result shows that the wrench body 4 needs to be calibrated, the control system 1 controls the calibration device 3 to calibrate the wrench body 4 online.

The torque wrench non-lateral force automatic verification device has the following advantages: 1), the torque wrench non-lateral force automatic verification device has a simple structure, low cost, high precision, and wide application range; 2), the drive device is connected with the control cabinet, realizing The fast and stable loading of the torque improves the efficiency; 3), the magnitude of the loading force can be precisely controlled and adjusted, making the test more accurate and reliable, and avoiding damage to the torque wrench during the test; 4), realizing automatic operation and using powerful data processing ability, and can reduce human error, reduce the labor intensity of testing personnel; 5), the torque is applied without lateral force interference, the measurement results are more accurate, 6), torque wrench online calibration, while testing and calibration, fast and convenient.

A torque wrench without side force automatic verification device provided by the embodiment of the utility model has been introduced in detail above. For those of ordinary skill in the art, according to the idea of the embodiment of the utility model, both the specific implementation method and the scope of application There will be changes. In summary, the content of this specification should not be understood as a limitation to the utility model, and any changes made according to the design concept of the utility model are within the protection scope of the utility model.

Claims (3)

1. A torque wrench without lateral force automatic verification device, comprising a standard torque sensor, a wrench body, a driving device and a control system, characterized in that: the torque wrench without lateral force automatic verification device also includes a lateral force Elimination device, a calibration device, the lateral force elimination device is arranged on the standard torque sensor and connected with the wrench body, the wrench body is connected with the calibration device, and the wrench body is also connected with the drive The device is connected, and the calibration device, the standard torque sensor and the driving device are all connected to the control system. 2. The torque wrench automatic verification device without lateral force according to claim 1, characterized in that: the lateral force eliminating device is a bearing. 3. The torque wrench non-lateral force automatic verification device according to claim 1, characterized in that: the control system is provided with a PLC or a single-chip microcomputer or a computer.

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