Camber measuring method of overhead and gantry crane and matched measuring device

Abstract

The invention discloses a camber measuring method of an overhead and gantry crane and a matched measuring device. The method is used for measuring the camber on the overhead and gantry crane, the operation is convenient, a measuring worker does not need to assemble testing equipment on site, the measuring can be finished on the ground, the limit of erecting the instrument by the ground space and the light is small, the distance measurement scope is 1-50m, the measuring precision is plus and minus 1mm, and the measuring is accurate, convenient and suitable. The matched measuring device is mainly composed of laser distance measuring equipment, a level gauge and a calibrated scale, the laser distance measuring equipment and the level gauge are arranged on a holder of a tripod, the upper end of the calibrated scale is fixed on an outer shell on one side of the laser distance measuring equipment, the lower end of the calibrated scale is fixed on the holder of the tripod, the level gauge and the tripod are arranged within the stadia measuring scope of the laser distance measuring equipment, and the scale of the calibrated scale can be observed through an eye lens of the level gauge. The device is simple in structure, relatively cheap, convenient to carry and good in popularization application prospect.

Description

technical field [0001] The invention relates to a method for measuring the camber of a crane, in particular to a method for measuring the camber of a gantry crane, and relates to a matching measuring device in the method. Background technique [0002] Currently measuring electric single girder and main girder of portal bridge crane, there are the following types: [0003] 1. Steel wire measurement method [0004] Steel wire rope and measuring tape are used for measurement. During the measurement, manual alignment and human eye interpretation are required. Operators need to operate on the crane beam, which is dangerous, and due to the downward deflection caused by the self-weight of the steel wire, the correction value must be considered, and there are many intermediate links in the measurement. , which is greatly affected by human factors and has low precision. [0005] 2. Level or theodolite measurement method [0006] Put the level or theodolite in an appropriate positi...

AI Technical Summary

Problems solved by technology

The error of the crown value measured by this method is relatively large. For example, the trolley is greatly affected by the wear and deformation of its track and the measurement is inaccurate, resulting in an error; using this method is not easy to measure when the crane lifts large-volume objects, and the erection of the instrument is affected by the ground site. Space and Light Constraints

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