Multifunctional lifting appliance

Abstract

The multifunctional lifting appliance comprises a main transverse beam, an upper supporting seat is fixed to the right portion of the top face of the main transverse beam, the upper supporting seat is movably connected with a right end connecting part of a transverse pushing oil cylinder through a hinge shaft, and the left end of a push rod of the transverse pushing oil cylinder is movably connected with a main lifting moving frame through a hinge shaft; a transverse through groove with an inverted-T-shaped section and extending upwards is formed in the bottom face of the middle of the main lifting moving frame, and the upper portion of the main transverse beam is inserted into the transverse through groove in a sleeved mode. Lower connecting bases are fixed to the left portion and the right portion of the bottom face of the main transverse beam correspondingly, the lower connecting bases are movably connected with connecting parts of bottom moving pushing oil cylinders through hinge shafts correspondingly, and the end of a push rod of each bottom moving pushing oil cylinder is movably connected with a lower moving frame through a hinge shaft. And meanwhile, the positions of the two lower moving frames can be adjusted, and the hoisting points at the lower parts of the two lower moving frames can be changed.

Description

Technical field: [0001] The invention relates to the technical field of hoisting equipment, and more specifically relates to a multifunctional sling. Background technique: [0002] In the existing bridge erecting machines, it generally needs to lift various heavy bridge blocks, etc., and the shape of some bridge blocks is irregular. When the ordinary spreader is lifted, the balance cannot be guaranteed, which makes the lifting troublesome and requires manual labor. Using other devices such as adding other heavy objects in unbalanced positions to balance the weight, the effect is poor, the efficiency is low, and the lifting effect is not ideal; [0003] And the hoisting position on the hoisting beam of existing hoisting device also can't be changed, promptly its hoisting point can't be changed, when hoisting irregular blocks, hoisting beam is inclined easily, and balance is poor. Invention content: [0004] The purpose of the present invention is to overcome the deficienci...

AI Technical Summary

Problems solved by technology

[0002] In the existing bridge erecting machines, it generally needs to lift various heavy bridge blocks, etc., and the shape of some bridge blocks is irregular. When the ordinary spreader is lifted, the balance cannot be guaranteed, which makes the lifting troublesome and requires manual labor. Using other devices such as adding other heavy objects in unbalanced positions to balance the weight, the effect is poor, the efficiency is low, and the lifting effect is not ideal;

[0003] Moreover, the lifting position on the lifting beam of the existing lifting device cannot be changed, that is, its lifting point cannot be changed. When lifting an irregular block, the lifting beam is easily tilted, and the balance is poor

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