
1. A crane boom slide plate adjusting device, which is installed at the connecting position of the boom and the two arms of the crane boom, including the elastic connecting parts, two groups of symmetrical sliding plates, fixed plates and adjusting screws, which is characterized in that the front end of the adjusting screw is provided with a sliding block, the sliding plate is provided with a T-shaped groove, the sliding block of the adjusting screw is clamped in the T-shaped groove, and the adjusting screw can be carried out in the T-shaped groove through the sliding block Sliding; the front end of the adjusting screw is connected with the fixing plate welded on the boom, and an adjusting nut is arranged on the upper part of the fixing plate; the elastic connecting piece includes three groups of springs, two groups are respectively connected with the fixing plate and the sliding plate on the inner side of the adjusting screw, while the other group is installed between two groups of sliding plates for connecting two groups of sliding plates.
2. The spring for connecting the fixed plate and the sliding plate is a single spiral compression spring.
3. The spring connecting two sets of sliding plates is a tension spring.
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