Heavy lifting bracket clamped and fixed to doors and windows
A technology for clamping and fixing heavy objects, applied in the direction of cranes, etc., can solve the problems of high tilting risk, low applicability, limited use places, etc., and achieve the effect of good work safety performance, strong applicability, and fixed effect.
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] see figure 1 , an embodiment provided by the present invention: comprising a first clamping block 1, a second clamping block 2 and a main shaft sleeve 11, the centers of one end surfaces of the first clamping block 1 and the second clamping block 2 are respectively set There are a first clamping groove structure 3 and a second clamping groove structure 4, the center of the top of the first clamping block 1 and the second clamping block 2 are provided wi...
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