Device for preventing rail gnawing of derrick type driving trolley

Abstract

The invention discloses a device for preventing rail gnawing of a derrick type driving trolley. The device comprises a base, a shaft, a shaft sleeve, a cover plate, a clamping plate, a horizontal wheel and a support; the support is fixed to the lower portion of the base, the upper end and the lower end of the shaft penetrate the bottom of the support and the bottom of the base correspondingly, a clamping groove matched with the clamping plate is formed in the side wall of the upper portion of the shaft, the clamping plate is embedded in the clamping groove, and the clamping plate and the support are locked through a hexagonal bolt and an elastic washer; the cover plate is packaged at the lower end of the shaft and is fixedly connected with the bottom of the base through a hexagonal bolt and an outer tongue lock washer; the shaft is sleeved with a double row self-aligning ball bearing, through covers are arranged at the two ends of the double row self-aligning ball bearing, the lower portion of the shaft is sleeved with the shaft sleeve, and the shaft sleeve is located between the double row self-aligning ball bearing and the cover plate. The rail gnawing phenomenon generated by inclination displacement, in the direction perpendicular to the rail direction, of the driving trolley due to inertia of a derrick can be avoided, the service life of wheels of the driving trolley can be prolonged, and serious equipment accidents are avoided.

Description

technical field [0001] The invention belongs to the technical field of a derrick type traveling vehicle, and in particular relates to a device for preventing a derrick type traveling trolley from biting a rail. Background technique [0002] In the prior art, the steel plate is often lifted by a derrick crane. Because the derrick device is relatively long and heavy, and the electromagnetic sucker and other devices are usually installed under the derrick, its inertia is very large; during the operation of the crane, The derrick will shake a lot, which will have a greater impact on the crane trolley and trolley, especially the trolley, and it will easily cause the trolley to tilt and displace to one side of the two rails, thus causing the wheel rim of the trolley and the track to break. Direct friction will cause the phenomenon of rail gnawing; after gnawing on the rails, the walking resistance of the trolley will increase, and the wheel rims will be easily worn; in severe case...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the steel plate is often lifted by a derrick crane. Because the derrick device is relatively long and heavy, and the electromagnetic sucker and other devices are usually installed under the derrick, its inertia is very large; during the operation of the crane, The derrick will shake a lot, which will have a greater impact on the crane trolley and trolley, especially the trolley, and it will easily cause the trolley to tilt and displace to one side of the two rails, thus causing the wheel rim of the trolley and the track to break. Direct friction will cause rail gnawing; after gnawing on the rails, the walking resistance of the trolley will increase, and the wheel rims will be easily worn; in severe cases, if the wheel rims of the trolley are all worn, derailment is likely to occur, causing safety accidents

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