Column crane mast section rotating assembly tire
A technology of tower cranes and standard joints, which is applied to cranes, auxiliary devices, auxiliary welding equipment, etc., can solve problems affecting product quality, high labor intensity, and low production efficiency, and achieve increased welding difficulty, low labor intensity, and mobile fast effect
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[0010] The fixed tooling fixture has a fixed bending plate 4 on one end of the base 3, and a movable bending plate 2 on the other end. There is a screw 1 on the outside of the movable bending plate 2. Shaking the screw 1 can make the movable bending plate 2 level on the base 3. Move to jam or release the workpiece. The bent plates at both ends of the fixed tooling can only clamp or loosen the workpiece, and cannot turn the workpiece, let alone other processing operations such as drilling. In the present invention, a left rotating disk 8 and a right rotating disk 10 are arranged on both ends of the base 3. The outer central optical axis of the left rotating disk 8 passes through the shaft hole of the bearing seat 7, and can slide axially relative to the bearing seat 7. It is fixedly connected with the left support frame 6, which is fixed at the left end of the base 3; a hydraulic cylinder 5 is connected to the outside of the left rotating disc, and the hydraulic cylinder 5 can driv...
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