Fixture for a power cable strength test device
A strength test, power cable technology, applied in the direction of measuring device, strength characteristics, using stable tension/pressure test material strength, etc., can solve problems such as endangering personnel safety, potential safety hazards, uneven quality of power cables, etc. The effect of ensuring cable quality, improving stability and safety
Active Publication Date: 2018-08-21
CHANGCHUN POWER SUPPLY COMPANY OF STATE GRID JILINSHENG ELECTRIC POWER SUPPLY +1
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Problems solved by technology
In the most basic transmission lines, the quality of power cables is uneven, and there are great potential safety hazards in long-term use. If the power cables are damaged, both the country and social enterprises will suffer certain economic losses, and more likely The safety of personnel is endangered, so it is very important to test the quality of power cables
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Embodiment Construction
[0020] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0021] Such as Figure 1-6 Shown is a specific embodiment of the jig of the power cable strength test device of the present invention. This embodiment includes a servo motor 1, a transmission rod 2, a translation frame 3, a U-shaped frame 4, and a gripper fixture 5. A plurality of symmetrical servo motors 1 are arranged on a side wall of the U-shaped frame 4, and a transmission drive is arranged on the servo motor 1. Rod 2, the other end of the transmission rod 2 is rotatably arranged on the other side wall of the U-shaped frame 4, and the translation frame 3 can be movable left and right on the transmission rod 2; the translation frame 3 and the U-shaped frame 4 are respectively arranged One gripper fixture 5, the positions of the two gripper fixtures 5 correspond to each other; the gripper fixture 5 includes a pair of fixed frames 5a and fi...
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The invention discloses a clamp of a power cable strength testing device. The clamp adopts a design of a left and right claw clamp, a user fixes a plant stem through the clamp on one side, and stretching or compression strength test is performed through the movement of the clamp on the other side; the claw clamp adopts moving claw sliding fixing strength; a limiting mechanism can swing leftward or rightward during the movement of a moving claw, so as to realize clamping or unclamping reset; the moving claw can be properly limited through the mutual restriction between a rotating disc on a screw rod and a swinging limiting mechanism, and is not allowed to move optionally, firmness and stability are guaranteed during clamping, and the hand of a user is prevented from being clamped by misoperation when the clamp is closed; a cable is slowly fastened and is prevented from being damaged through the characteristic that the rotation distances of a transmission rod and the screw rod are relatively long, the stable translation of a translation frame is guaranteed, the accuracy of compression and stretching strength testing data is ensured, stable and slow closing of the clamp are guaranteed, and the cable is prevented from being damaged.
Description
technical field [0001] The invention relates to the field of electric power design, in particular to a fixture for a power cable strength test device. Background technique [0002] In the field of power design, domestic power departments focus on the research of power transmission equipment and power-related machinery, but these studies often focus on mechanism design, but ignore the most fundamental control of cable quality in power transmission. In the most basic transmission lines, the quality of power cables is uneven, and there is a great potential safety hazard in long-term use. If the power cables are damaged, both the country and social enterprises will suffer certain economic losses, and are more likely to The safety of personnel is endangered, so it is very important to test the quality of power cables. For testing and testing machines, the fixture is a key part of the whole. A good fixture structure can improve the clamping effect of the power cable as a whole or...
Claims
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IPC IPC(8): G01N3/04G01N3/08
CPCG01N3/04G01N3/08
Inventor 陈怡梦
Owner CHANGCHUN POWER SUPPLY COMPANY OF STATE GRID JILINSHENG ELECTRIC POWER SUPPLY