Crane

Abstract

The invention relates to a lifting device for lifting objects with a long, stepped cylindrical body. The lifting device according to the invention includes: a load-bearing beam-shaped body with perforated bars arranged on the upper and lower surfaces of the body for attaching hooks and large and small clamps. Each large and / or small clamp consists of two jaws for gripping the object to be lifted, a mechanism for engaging the threaded shaft and threaded pins to open / close the jaws, and a safety pin to prevent human negligence during lifting operations.

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