Crane operation mechanism rail gnawing prevention device, crane operation mechanism rail gnawing prevention deviation rectification control system, and crane operation mechanism rail gnawing prevention deviation rectification control method

Abstract

The invention belongs to the technical field of cranes, and discloses a crane operation mechanism rail gnawing prevention device, a crane operation mechanism rail gnawing prevention deviation rectification control system, and a crane operation mechanism rail gnawing prevention deviation rectification control method. A plurality of first displacement sensors and a plurality of second displacement sensors are connected with a computer, the deflection angle of a crane frame relative to a rail is measured out by the displacement sensors, and then the deflection angle is converted into control voltage via proportional conversion through the computer; the control voltage is correspondingly added on first frequency converters and second frequency converters by a differential-action mode or a single-action mode, the first frequency converters and the second frequency converters are correspondingly connected with first control motors and second control motors, and the first control motors and the second control motors correspondingly adjust the stroke speed of a first driving wheel and the stroke speed of a second driving wheel. Rail gnawing between the inner side of a wheel flange of a wheel of an operation mechanism and the steel rail is effectively avoided, the stability of the crane in the operation process is enhanced, the operation side friction resistance of the crane is reduced,and friction noises between the wheel and the rail are reduced. Simultaneously, great potential safety hazards brought by the rail gnawing are eliminated, and safe operation of crane equipment and people safety are effectively ensured.

Description

technical field [0001] The invention belongs to the technical field of cranes, and in particular relates to an anti-gnawing rail device for a crane operating mechanism, a deviation correction control system and a method. Background technique [0002] Currently, the closest prior art: [0003] With the continuous development of the manufacturing industry, automated production lines are more and more widely used. However, in the process of product production in automated production lines, there are some horizontal or vertical lifting and handling within a certain range in material handling, process flow, and quality inspection. As a key process equipment or important auxiliary equipment machinery to reduce heavy labor, improve work efficiency, and realize production, cranes have been widely used in our lives. Cranes are special equipment. They are mostly used in workshops, warehouses or stockyards for lifting and lifting materials. Because they can replace a lot of manual lab...

AI Technical Summary

Problems solved by technology

If the screws of the shaft end baffle are not fastened properly or the fastening screws are loosened due to the shock and vibration during the working process of the bridge crane, the screws fall off after a period of use, causing the guide wheels to fall off, which poses a safety hazard. Easy to replace guide wheels

[0008] (2) In the prior art, the rail gnawing phenomenon of the crane operating mechanism (cart or trolley) cannot be solved, and the side guide wheel assembly is not installed on the underside of the wheel rim, and the side guide wheel is used to withstand the side of the rail and there is no There is a small gap between the wheel rim of the crane and the side of the rail, which will cause wear between the wheel edge and the track during the operation of the wheel group, and the stability of the crane will be poor during operation, and the lateral frictional resistance of the crane cannot be reduced, so that the small wheels and The friction noise of the track is large, and the rail gnawing phenomenon between the inner side of the wheel rim and the rail cannot be avoided

However, when the crane has a large lateral force, many problems will arise. When the crane runs from the center line of the track to one side, the horizontal wheel does not touch the side of the rail (the design gap is generally 10mm), and the horizontal wheel set It cannot play a role. When the offset reaches 10mm, the horizontal wheel will suddenly contact the side of the rail. The horizontal wheel must prevent the inertial deflection of the crane, which will generate a large impact force at this time

This kind of impact force will cause serious harm to the crane structure, horizontal wheels, and tracks. Failures such as bearing damage of the horizontal wheel set and positioning plate falling off often occur, and in severe cases, major safety accidents such as wheel derailment may occur.

At the same time, the large impact force loosens or breaks the bolts of the rail pressure plate in a large area continuously, causing problems such as floating and shifting of some sections of the rail.

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