Steel wire rope overload automatic falling-off lifting sling

Abstract

The invention provides a steel wire rope overload automatic falling-off lifting sling. The situation that when heavy objects exceed the load carrying capacity of the steel wire rope, the lifting slingcan automatically make the heavy objects be separated is better achieved, and the risk that the heavy objects fall after being lifted is avoided. According to the technical scheme, the steel wire rope overload automatic falling-off lifting sling comprises a clamping device, and the clamping device is composed of two clamping blocks; each clamping block comprises a semicircular arc-shaped block, and horizontal plate clamping devices are connected to the exterior of each clamping block; a first connecting rod and a first pin shaft are arranged below each horizontal plate clamping device, the first connecting rods are arranged on the first pin shafts in a sleeving mode, a strong spring is connected between each first connecting rod and a corresponding baffle, and a supporting frame is internally provided with a limiting step; a second pin shaft is arranged below each clamping device, a sliding block is attached to the inner side of each baffle, and a second connecting rod is hinged to the inner side of each sliding block; transverse through grooves are formed in a bottom plate, and the sliding blocks are located above the transverse through grooves; and adjusting screw rods are fixedto the two sides of a supporting frame, and the end, placed in the supporting frame, of each adjusting screw rod is in threaded connection with a vertical plate. The steel wire rope overload automatic falling-off lifting sling is novel in conception and ingenious in structure.

Description

technical field [0001] The invention relates to the technical field of hoisting, in particular to a hoisting device for automatic detachment of a steel wire rope when it is overloaded. Background technique [0002] During the hoisting process of the crane, the thickness of the wire rope is very important, which is directly related to the safety of the hoisted object and the operator. During the hoisting process of the crane, in most cases, the hoisting is to hang the heavy object through the hook under the crane. Wire rope for lifting. [0003] Due to the fact that there are many thicknesses and specifications of steel wire ropes in each workshop, most operators choose steel wire ropes according to the rough estimation of the weight of the heavy objects when lifting, which may lead to inaccurate estimates when lifting. When the object is too heavy, the weight of the heavy object is greater than the lifting capacity of the steel wire rope. At this time, when the steel wire r...

AI Technical Summary

Problems solved by technology

[0003] Due to the fact that there are many thicknesses and specifications of steel wire ropes in each workshop, most operators choose steel wire ropes according to the rough estimation of the weight of the heavy objects when lifting, which may lead to inaccurate estimates when lifting. When the object is too heavy, the weight of the heavy object is greater than the lifting capacity of the steel wire rope. At this time, when the steel wire rope is used for hoisting, it is easy to cause the steel wire rope to break and the heavy object to fall during the high-altitude operation.

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