Escape crawling ladder hand-holding safety hook for conducting fire-fighting transforming and upgrading on urban village
A safety hook and fire-fighting technology, which is applied in the field of hand-held safety hooks on escape ladders, can solve the problems of the owner's insufficient economic capacity, easy knotting, unstable use, etc., and achieve the effect of no need for frequent inspection and replacement, low difficulty coefficient, and convenient storage
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[0016] The present invention will be further described below in combination with the accompanying drawings and specific embodiments.
[0017] refer to Figure 1-4 As shown, the present invention provides a member for fire-fighting renovation and upgrading of villages in cities, including a hook-shaped plastic-steel fixed arm 1, a plastic-steel strip-shaped rotating arm 2, a single-layer movable ring 3 of the rotating arm, and a double-layer limit ring on the fixed arm. Ring 4, the lower ring 5 of the double-layer limit ring of the fixed arm, the fixed ring is connected to the handle 6, the movable ring is connected to the handle 7, the limit pin 8, the limit pin nut 9, the rebound spring 10, the sponge non-slip silicone handle cover 11. Wrist fixing belt 12, fixed rubber on the surface of the belt 13, belt fixing ring 14, belt buffer spring 15, belt connecting ring 16, handle sleeve fixing ring ferrule 17, ferrule fixing screw 18 ; The end of the hook-shaped plastic-steel fix...
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