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Cover plate deformation correction device and cover plate deformation correction method using the same

A cover plate and driving device technology, which is applied in the field of cover plate deformation correction devices, can solve the problems of difficult control of the correction distance, long-term occupancy of the crane, and increased operating costs, achieving compact structure, avoiding long-term occupancy, and reducing operating costs. Effect

Active Publication Date: 2016-01-20
HENAN WEIHUA HEAVY MACHINE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large hoisting force of the crane, the correction process is prone to danger, the correction distance is not easy to control, the operation efficiency is low, and it takes a long time to occupy the crane, which affects production and increases the operation cost

Method used

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  • Cover plate deformation correction device and cover plate deformation correction method using the same
  • Cover plate deformation correction device and cover plate deformation correction method using the same

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Embodiment Construction

[0018] An embodiment of the cover plate deformation correction device in the present invention is as follows figure 2 As shown, it includes a cover plate deformation correction fixture and a jack 23 as a driving device. The deformation correction fixture and the jack 23 are arranged separately from each other to facilitate flexible adjustment of the jack support position during transfer and use.

[0019] The clamp for correcting deformation of the cover plate includes a clamping arm 21 for clamping the overhanging edge 111 of the cover plate, and a driving arm 22 for driving the clamping arm 21 to rotate. The driving arm 22 is suspended on the side of the clamping arm 21 close to the bottom surface support part and the suspension direction is perpendicular to the clamping arm 21; the end of the clamping arm 21 away from the driving arm 22 has a first support end suspended in a stepped structure The head 211 and the second support end 212, the end of the first support end 211 ...

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Abstract

The invention relates to a cover plate deformation correcting device and a cover plate deformation correcting method using the same. The cover plate deformation correcting device comprises a clamping arm used for clamping an overhanging edge of a cover plate, a driving arm driving the clamping arm to rotate, a supporting end used for supporting on the surface of a corresponding web, and a driving device at an output end, the clamping arm and the driving arm are arranged in an L-shaped manner, the clamping arm comprises a top surface supporting portion used for supporting a corresponding bending supporting point on the top surface of the overhanging edge, and a bottom surface supporting portion used for jacking and pressing the bottom surface of the overhanging edge, the driving arm is arranged on one side, close to the bottom surface supporting portion, of the clamping arm, the driving device is used for moving towards a direction away from the supporting end to drive the clamping arm to rotate by taking the top surface supporting portion as a supporting point. By the cover plate deformation correcting device, deformation of the overhanging edge of the cover plate can be corrected conveniently.

Description

technical field [0001] The invention relates to a cover plate deformation correction device and a cover plate deformation correction method using the device. Background technique [0002] Such as figure 1 As shown, it is a schematic cross-sectional view of the main girder of a crane, including two webs 92 arranged at intervals on the left and right, an upper cover 91 and a lower cover 93 respectively covering the top and bottom of the two webs 92, wherein the upper cover The plate 91 and the lower cover plate 93 are fixed on the web 92 by welding, and the width is greater than the distance between the two webs 92 . During the manufacturing process of the main girder, after the outer fillet weld between each cover plate and the web 92 is welded, due to welding shrinkage, the overhanging edge of each cover plate beyond the web 92 will have a direction toward the corresponding side web 92 Bending deformation, especially when the main girder adopts the off-track structure, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D1/10
Inventor 郝静燕王跃文王少峰史之杰韩艳红
Owner HENAN WEIHUA HEAVY MACHINE
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