Pin pulling device used for pulling connecting pins of insulator with various types
A technology of insulators and connecting pins, applied in the direction of overhead lines/cable equipment, etc., can solve problems such as broken porcelain bottles, failure to realize, accidental maintenance work, etc., and achieve the effects of reducing the danger of high-altitude operations, reducing the working time on poles, and reducing torque loss
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[0027] refer to Figure 4 and Figure 5 , the pin puller for pulling out connecting pins of various types of insulators of the present invention includes a connecting rod 2 of the main body, a semicircular pin pulling hook 3 is provided at the front end of the connecting rod 2, and a flat pulling pin is provided at the rear end of the connecting rod. Pin shovel4.
[0028] The connecting rod 2 is elongated, and is integrally casted and connected with the pin-pull hook 3 and the pin-pull shovel 4 . The connecting rod top surface 33 is set at an angle of 147 degrees with the flat type pin pulling shovel 4 . The bottom surface of the connecting rod 2 is in a concave "V" shape, which is composed of a plane 31 and a plane 32, and the turning point 10 of the "V" shape is close to the pin pulling shovel 4. The plane 31 close to the pin pulling hook 3 is set at an angle of 143 degrees with the flat type pin pulling shovel 4 .
[0029] The pin-pull hook 3 includes a semicircular par...
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