Stand column structure of portal crane

Abstract

The invention relates to the technical field of cranes, in particular to a stand column structure of a portal crane. The stand column structure of the portal crane comprises a stand column, a guide rail is arranged on the stand column, a limiting rail is fixedly installed on the stand column, a rack is fixedly installed in the guide rail, a function box and a driving box are installed in the guiderail in a sliding mode, limiting rods are fixedly installed on the function box and the driving box, limiting rollers are rotatably installed on the limiting rods, rolling wheels are installed on thefunction box and the driving box, a driving shaft is rotatably installed in the driving box, a driving gear is fixedly installed on the driving shaft, and a gear ring is installed on the driving gearin a meshing mode. The guide rail with the rack and the limiting rail are arranged on the stand column, and the gear ring for climbing is arranged in the driving box, so that the function box can continuously move along the guide rail; and meanwhile, a rust removing plate carries out up-down rust removing and grinding on the stand column, and therefore automatic stand column maintenance work is completed, climbing operation of workers is not needed, and accidents are eradicated.

Description

Technical field [0001] The present invention relates to the field of cranes, and is specifically a column structure of a gantry crane. Background technique [0002] Gate cranes are the most common types of cranes, high load, stable transport performance, one of the necessary machines for construction site and terminal transportation. The outer and door of the door crane is similar, composed of two column pins and the crossbengee of the middle, and the electric hoist moves on the beam transport, while the column pentity plays an important stable support. However, during the use of the crane, due to the complexity of the environment and the human factors, the column of the crane is prone to remove the rust, affecting the life and stability of the column, and because the height of the column is high, artificially It is very inconvenient to maintain, and there is a safety hazard. In view of this, we propose a column structure of a door crane. Inventive content [0003] It is an obje...

AI Technical Summary

Problems solved by technology

However, during the use of the crane, due to the complexity of the environment and human factors, the columns of the crane are prone to paint peeling and rusting, which affects the service life and stability of the columns. Maintenance is very inconvenient and there are potential safety hazards. In view of this, we propose a column structure for gantry cranes

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