Trolley of bridge crane

Abstract

The invention relates to a trolley of a bridge crane. The trolley comprises a body and two main beams, wherein a hollow base is fixedly mounted in the top end of the body, the width of the base is greater than that of the body, horizontal screws are movably mounted on the inner walls of front and back ends of the bottom of the base, separately through bearings, screws are located in the middle ofthe base, one of the screws is provided with a motor, opposite ends of two screws are fixedly connected through a connecting rod, threads of two screws are opposite, a nut is [cooperatively mounted oneach screw, a horizontal movable rod is fixedly mounted at the top end of each nut, and slide blocks are hinged and mounted to two ends of each movable rod. The trolley provided by the invention canbe adjusted according to distances between different main beams to meet the mounting demand of maintenance platforms of the trolleys of the bridge cranes of different models, so that the cost is lowered. Moreover, the body is limited to prevent rollers of the body from being in contact with the inner walls of guide rails on the main beams in the moving process to avoid a rail gnawing phenomenon, so that the service life of the trolley is prolonged.

Description

technical field [0001] The invention belongs to the field of cranes, in particular to a trolley of a bridge crane. Background technique [0002] The distance between the two main girders of the double girder bridge crane is different due to the different models. Therefore, when installing the maintenance platform, maintenance platforms of various sizes are required, and the trolley of the double girder bridge crane is in the Rail gnawing sometimes occurs during the movement, which damages the guide rails and trolleys on the main beam and needs to be replaced, which increases the cost and is troublesome to replace, which is inconvenient in use. Contents of the invention [0003] The invention provides a trolley of an overhead crane to solve the defects in the prior art. [0004] The present invention is achieved through the following technical solutions: [0005] The trolley of the bridge crane includes the car body and two main girders. The top of the car body is fixed w...

AI Technical Summary

Problems solved by technology

[0002] The distance between the two main girders of the double girder bridge crane is different due to the different models, so when installing the maintenance platform, maintenance platforms of various sizes are required, and the trolley of the double girder bridge crane is in the Sometimes there will be rail gnawing during the movement, which will damage the guide rails and trolleys on the main beam and need to be replaced, which will increase the cost and be troublesome to replace, which is inconvenient in use

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