CN211626780U

CN211626780U - Device for automatically testing torsion of threaded terminal

Info

Publication number: CN211626780U
Application number: CN201922207196.2U
Authority: CN
Inventors: 杨云珍; 钱欢; 钱胜强
Original assignee: Chaowei Power Group Co Ltd
Current assignee: Chaowei Power Group Co Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-10-02
Anticipated expiration: 2029-12-11

Abstract

The utility model provides an automatic test screw terminal torsion's device, belongs to terminal torsion test technical field. The utility model discloses a device main part and torque wrench, device main part upside are equipped with terminal draw-in groove, rotor arm, are equipped with level to the handle draw-in groove on the rotor arm, are equipped with motor, PLC control chip in the device main part, are equipped with torque sensor between the output of motor and the rotor arm, and PLC control chip electricity is connected to torque sensor and motor, still is equipped with switch and display in the device main part, and switch and the equal electricity of display are connected to PLC control chip. The utility model discloses convenient operation, efficiency of software testing is high, and the simultaneous testing result is accurate reliable.

Description

Device for automatically testing torsion of threaded terminal

Technical Field

The utility model relates to a terminal torsion test technical field especially relates to an automatic test screw thread terminal torsion's device.

Background

The 20AH threaded terminal is buckled on the positive and negative electrodes of the current lead-acid storage battery 20AH battery and is used for charging and discharging a connecting wire, the 20AH threaded terminal is used for detecting various indexes before production and use, one of the indexes is a torsion test, and the firmness of welding the sheet end and the threaded column end of the threaded terminal is mainly tested. Current laboratory generally uses torque wrench manual test, consolidates 20AH screwed terminal in the middle of the bench vice, and the screw is screwed on to the screw mouth, and reuse torque wrench tests, and the manual work of test in-process rotates torque wrench and warp until 20AH screwed terminal, and whether the power of seeing the use reaches the standard requirement and judges the terminal qualified.

This test process bench vice is cliied the screw terminal and can be caused the screw terminal to warp, and the manual work rotates torque wrench, and the size and the orientation of power are wayward, have a lot of uncontrollable factors, and the test is wasted time and energy, and the test result inaccuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that above-mentioned prior art exists, provide an automatic test screw terminal torsion's device, its convenient operation, efficiency of software testing is high, and the test result is accurate reliable simultaneously.

The utility model aims at realizing through the following technical scheme:

the device comprises a device main body and a torque wrench, wherein a terminal clamping groove and a rotating arm are arranged on the upper side of the device main body, a handle clamping groove in the horizontal direction is formed in the rotating arm, a motor and a PLC (programmable logic controller) control chip are arranged in the device main body, a torque sensor is arranged between the output end of the motor and the rotating arm, the PLC control chip is electrically connected to the torque sensor and the motor, a switch and a display are further arranged on the device main body, and the switch and the display are electrically connected to the PLC control chip.

The working principle is as follows: put into the terminal draw-in groove with the screw terminal that awaits measuring, then overlap the cover barrel of torque wrench to screw terminal on, insert the handle draw-in groove of rotor arm with torque wrench's handle, through switch starting motor after that, the motor gives torque wrench a pivoted power through the rotor arm, and torque wrench then gives screw terminal a lateral force, and torque sensor shows the torsion value through the display in real time simultaneously. A manual mode comprises the following steps: observing the state of the screw terminal and the torsion value of the display in real time, and recording the torsion value at the moment until the screw terminal is broken or deformed, wherein the torsion value is the maximum torsion value which can be borne by the screw terminal; or when the torque value of the display reaches the required value and the screw terminal is not broken or deformed, the structural strength of the screw terminal is in accordance with the requirement. A more automated approach: when the threaded terminal is broken or deformed, the torsion of the torque wrench is suddenly reduced, and the PLC control chip receives the signal, controls the display to display the torsion value at the moment and controls the motor to stop working; or after the PLC control chip receives that the torque value of the torque sensor reaches the required value for a period of time, the PLC control chip controls the display to display the maximum torque value in the process and controls the motor to stop working at the same time. It should be noted that the above-mentioned PLC control chip receives a signal indicating that the torque value suddenly decreases and a signal indicating that the torque value reaches a certain value over time, and performs corresponding processing, which are conventional programs used in the existing PLC control chips.

As the utility model discloses it is preferred, the device main part includes fixed part and control part, the fixed part is equipped with the terminal draw-in groove, the control part is equipped with the rotor arm. The split design is more convenient for the transfer and maintenance of the device.

Preferably, the display is disposed on the fixing portion. The design is more convenient for the staff to observe screw terminal state and display numerical value simultaneously.

As the utility model discloses it is preferred, the terminal draw-in groove has one or a plurality of that the specification is different. The structure can be suitable for torsion tests of threaded terminals of different specifications.

As the utility model discloses it is preferred, handle draw-in groove upper end opening, and be equipped with the spacer pin. The structure improves the assembly efficiency of the torque wrench, so that the torque wrench does not need to be inserted into the handle clamping groove by adjusting the length of the handle.

As the utility model discloses it is preferred, the switch is including opening and close switch and speed governing switch. The speed regulating switch can regulate the rotating speed of the motor so as to meet the tests of different requirements.

The utility model has the advantages that: the operation is convenient, the efficiency of the torque force test of the threaded terminal is greatly improved, and the accuracy of the test result is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

11-a fixed part; 12-a control section; 2-torque wrench; 3-terminal card slot; 4-a rotating arm; 5-a switch; 6-display.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model provides an automatic test screw terminal torsion's device, includes device main part and torque wrench 2, device main part upside is equipped with terminal draw-in groove 3, rotor arm 4, be equipped with the level on the rotor arm 4 to the handle draw-in groove, be equipped with motor, PLC control chip in the device main part, be equipped with torque sensor between the output of motor and the rotor arm 4, PLC control chip electricity is connected to torque sensor and motor, still be equipped with switch 5 and display 6 in the device main part, switch 5 and display 6 all electricity are connected to PLC control chip.

Specifically, the device body includes a fixing portion 11 and a control portion 12, the fixing portion 11 is provided with the terminal card slot 3, and the control portion 12 is provided with the rotating arm 4. The split design is more convenient for the transfer and maintenance of the device. The display 7 is provided on the fixing portion 11. The design is more convenient for the staff to observe screw terminal state and display numerical value simultaneously.

The terminal card slot 3 may have one or a plurality of different specifications. The structure can be suitable for torsion tests of threaded terminals of different specifications.

And the upper end of the handle clamping groove is provided with an opening and is provided with a limiting pin. The structure improves the assembly efficiency of the torque wrench, so that the torque wrench does not need to be inserted into the handle clamping groove by adjusting the length of the handle.

In order to meet more test requirements, the switch 5 comprises an on-off switch and a speed regulation switch, so that the rotating speed of the motor can be regulated, and tests under different conditions can be carried out.

The above description is only the specific embodiment of the preferred embodiment of the present invention, and this specific embodiment is based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The device for automatically testing the torque force of the threaded terminal comprises a device main body and a torque wrench and is characterized in that a terminal clamping groove and a rotating arm are arranged on the upper side of the device main body, a horizontal handle clamping groove is formed in the rotating arm, a motor and a PLC (programmable logic controller) control chip are arranged in the device main body, a torque sensor is arranged between the output end of the motor and the rotating arm, the PLC control chip is electrically connected to the torque sensor and the motor, a switch and a display are further arranged on the device main body, and the switch and the display are electrically connected to the PLC control chip.

2. The apparatus for automatically testing torsion of a screw terminal according to claim 1, wherein the apparatus body comprises a fixing portion and a control portion, the fixing portion is provided with the terminal catching groove, and the control portion is provided with the rotating arm.

3. The apparatus of claim 2, wherein the display is disposed on the fixing portion.

4. The apparatus of claim 1, wherein the terminal slot has one or more different sizes.

5. The device for automatically testing the torque of the threaded terminal according to claim 1, wherein the handle clamping groove is open at the upper end and is provided with a limiting pin.

6. The apparatus of claim 1, wherein the switch comprises an on/off switch and a speed control switch.