Height-adjustable crane guardrail
A technology for cranes and guardrails, applied in the field of cranes, can solve the problems of complex guardrail structure, single use range, free adjustment of guardrail height, etc., achieve the effect of simple structure, meet the protection height, and save the space of the factory building
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[0012] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0013] See figure 1 , A height-adjustable crane guardrail, comprising a pillar 2 fixed on the bottom plate 1, a fixed guardrail 3 is provided at the upper end of the pillar 2, the fixed guardrail 3 is a rectangular frame structure, and the inner walls on the left and right sides of the fixed guardrail 3 A sliding rail 5 is provided, and sliding blocks 4 are arranged on the sliding rails 5, and a cross bar 10 is arranged between the slidi...
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