Full-sealed lifting appliance

Abstract

The invention discloses a full-sealed lifting appliance, which comprises a sling (1), a connecting part (2) hung on the sling (1), and a hook (3) fixedly connected with the connecting part (2). A sleeve (4) is fixedly connected to a side wall of the hook (3); openings at two ends of the sleeve (4) are interconnected; a baffle plate (6) is in threaded connection with the bottom end of the opening, far away from the hook (3), of the sleeve (4); a compressed spring (7) is fixedly connected with one end face, toward the interior of the sleeve, of the baffle plate (6); a bumping post (5) is arranged in the sleeve in a sliding fit way; the free end of the spring (7) is fixedly connected with the bottom end of the bumping post (5); a positioning step (42) is arranged on the bottom end of the bumping post (5); a limiting step (41) is arranged on the opening on the upper end of the sleeve (4). With the structure, the lifting appliance provided by the invention has a 360-degree full blockage function, and is stable and reliable, simple and convenient to operate, and high in safety performance.

Description

technical field [0001] The invention relates to the field of hardware slings, in particular to a fully enclosed sling. Background technique [0002] As a tool, the spreader is frequently used in daily life, especially in the hoisting work, the spreader is an indispensable tool. When in use, the object to be hoisted must be hung on the spreader. The slings in the prior art can basically meet the needs of the hoisting work. For safety reasons, many slings are provided with tongues at the opening of the hook to prevent the object to be hoisted from falling off the sling. The tongue in the sling is often of a thin structure. In case of emergency, the suspended object may break the tongue, and the tongue is easily deformed, which reduces the service life of the spreader. Contents of the invention [0003] The object of the present invention is to provide a fully enclosed sling, which has a simple structure and is easy to operate. The hook is fully enclosed by a retaining colum...

AI Technical Summary

Problems solved by technology

The slings in the prior art can basically meet the needs of the hoisting work. For safety reasons, many slings are provided with tongues at the opening of the hook to prevent the object to be hoisted from falling off the sling. The tongue is often thin structure, in case of emergency, the hanging object may break the tongue, and the tongue is easy to deform, so that the service life of the spreader is reduced

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