Electric lifting device for substation

Abstract

The invention discloses an electric hoisting device for a transformer substation. The electric hoisting device comprises a pulley bracket, wherein a rotating shaft is arranged on the pulley bracket; a pulley is fixed on the rotating shaft; a hoisting rope used for hoisting is arranged on the pulley; the pulley comprises a pulley body; a motor is fixed on one side of the rotating shaft; a spindle is arranged on the motor and fixedly connected with the rotating shaft; a first through hole is formed in the pulley body; a locking block is fixed on the first through hole; a rectangular hole is formed in the locking block; two sliding blocks are arranged in the rectangular hole; semi-circular holes are formed in the sliding blocks; two wedge holes are formed between the sliding blocks and the locking block; a wedge block is inserted into each wedge hole; a compression block is arranged on the wedge blocks; a second through hole is formed in the compression block; a hoisting rope groove is formed in the pulley body; and one end of the hoisting rope penetrates through the first through hole, the semi-circular holes, and the second through hole in sequence, and then is wound in the hoisting rope groove. The electric hoisting device has the following beneficial effects: (1) the structure is simple; and (2) the hoisting rope can be firmly fixed on the pulley and prevented from falling off the pulley.

Description

Technical field [0001] The invention relates to a substation, in particular to an electric lifting device for the substation. Background technique [0002] At present, in order to facilitate the hoisting of various substation equipment and accessories, electric hoisting devices are installed in many substations. The existing electric hoisting devices mainly include pulley brackets, rotating shafts arranged on the pulley brackets, and pulleys fixed on the rotating shafts. A sling rope is wound on the top, and the top of the sling rope is fixed to the pulley by a rope buckle, and the bottom end is connected with a hook. However, in the actual lifting process of various heavy objects, if the weight of the heavy object is heavier, Because of the large force on the rope buckle, it is easy to be disconnected under the pulling force of the heavy object, causing personal injury or property loss, so the safety performance is poor and cannot meet the needs of the substation. Summary of th...

AI Technical Summary

Problems solved by technology

[0002] At present, in order to facilitate the hoisting of various substation equipment and accessories, many substations are equipped with electric lifting devices. A sling is wound on the top of the sling, the top of the sling is fixed on the pulley by means of a rope buckle, and the bottom is connected to a hook. However, in the process of actually lifting various heavy objects, if the weight of the heavy object is heavy, Due to the large force on the rope buckle, it is easy to break under the tension of heavy objects, causing personal injury or property loss, so the safety performance is poor and cannot meet the needs of the substation

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