2results about How to "Prevent breakage etc." patented technology

The utility model relates to protective film clamp technical field provides a kind of PE protective film stretching clamp, comprising: mounting plate and multiple fixed blocks;Multiple mounting holes, opening in the four corners of the surface of mounting plate;Further include: mounting bracket, set up on the side surface of mounting plate, the side surface of mounting bracket is opened and is limited to groove;Mounting box, set up on the outer surface of mounting bracket, the outer surface of mounting box is provided with U-shaped frame, the inner wall of U-shaped frame is fixedly provided with driving motor, and the output end of driving motor is provided with worm screw rod. The utility model, by the long bolt inside the rotation screw hole, make long bolt contact with fixed block, drive fixed block to approach another fixed block, cooperate telescopic link and spring to provide fixed block with limit and reset work, with the aid of anti-slip grain to provide anti-slip work to PE protective film, to complete the clamping work to the PE protective film of different thickness, improve the applicability and flexibility of device.