Energy-saving hoisting construction device
A lifting and jib technology, which is applied in the field of energy-saving lifting and transporting construction devices, can solve the problems of inconvenient use and carrying, later disassembly, and installation, etc., and achieves the effect of firm fixing, ensuring safe operation, and preventing items from falling.
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[0015] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0016] refer to figure 1 and figure 2 The energy-saving hoisting construction device shown includes two bottom plates 1 arranged symmetrically up and down, and cylindrical seats 2 are arranged on the two bottom plates 1, and threaded sleeves 3 are movably arranged in the cylindrical seats 2 , a first screw 301 is fitted between the cylindrical base 2 and the threaded sleeve 3, a support rod 4 is fitted between the two threaded sleeves 3, and the two ends of the support rod 4 have threaded The threaded part 401 of the sleeve 3, the threaded part 401 at the two ends of the support rod 4 rotate in the opposite direction, and the two ends of the...
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