Steel structure bridge workshop primer rapid grinding device

A technology for shop primer and steel structure, applied in grinding drive device, grinding/polishing safety device, grinding/polishing equipment, etc., can solve problems such as low work efficiency, high construction risk, environmental pollution, etc., and achieve savings The effect of labor cost, reducing pollution and improving labor efficiency

Pending Publication Date: 2021-10-22
MCC TIANGONG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, grinders used hand-held angle grinders for grinding. The work efficiency i

Method used

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  • Steel structure bridge workshop primer rapid grinding device
  • Steel structure bridge workshop primer rapid grinding device
  • Steel structure bridge workshop primer rapid grinding device

Examples

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Example Embodiment

[0027] Embodiments of the present invention will be described below with reference to the accompanying drawings.

[0028] In the embodiment of the present invention, if image 3 As shown, the production process of the primer grinding device of the steel structure bridge workshop is, the lower plate cuts a rectangular steel sheet having a thickness of 16 to 20 mm as the working base plate 15 of the device, and the working base plate 15 is based on the operating shaft 9, the motor shaft 5 and the motor 4 and the drive shaft spacing calculation determine, and the lower plate cuts a steel sheet 19 having a thickness of the working base plate, which is the same but the length is slightly larger than the working base plate as the line base plate 19; cutting production two working axis bottom plates Part 11, such as Figure 5 As shown, the connector is centrally opened, and the connecting bearing 12 is mounted to connect the operating shaft 9;

[0029] The working base plate 15 is opened a...

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Abstract

The invention belongs to the technical field of steel structure bridge construction, and relates to a steel structure bridge workshop primer rapid grinding device, which comprises a power device, a transmission device and a grinding device, wherein the power device is connected with the transmission device to drive the grinding device, and the grinding device completes grinding and polishing. Weld joints of stiffening ribs of steel bridge top and bottom plate unit pieces are prone to fatigue cracks due to dynamic loads, so that in order to guarantee the welding quality of the stiffening ribs and the weld joints of the top and bottom plates, the weld joints of the stiffening ribs of the top and bottom plates need to be polished in advance to have metal luster, the distance between the stiffening ribs in the plate unit pieces is generally small, and the weld joints are dense, in the prior art, a traditional manual grinding wheel angle grinder wastes time and labor during grinding, and serious pollution can be generated. The steel structure bridge workshop primer rapid grinding device provided by the invention has the beneficial effects that the labor efficiency is improved, the labor cost is saved, meanwhile, pollution is reduced, the construction period is greatly shortened, and a good foundation is laid for engineering green construction, quality improvement and efficiency improvement.

Description

technical field [0001] The invention belongs to the technical field of steel structure bridge construction, and relates to a steel structure bridge shop primer rapid grinding device and a construction method thereof. Background technique [0002] Steel box girders are usually fully welded by bottom plates, top plates, webs, diaphragms, stiffeners, etc. After the steel plate raw material enters the factory, it needs to be pretreated on the pretreatment line for straightening, shot blasting, derusting, and spraying shop primer. Steel box girder top and bottom plate units are usually welded with I-shaped or U-shaped steel plate stiffeners in the length direction to transfer the vertical load to the diaphragm, so the welding quality of the plate unit stiffeners is very important. In order to ensure the welding quality of the stiffener, it is necessary to polish the shop primer at the weld seam to reveal the metallic luster before the stiffener is assembled. At the same time, b...

Claims

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Application Information

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IPC IPC(8): B24B29/02B24B41/04B24B47/12B24B47/20B24B55/04
CPCB24B29/02B24B41/04B24B55/04B24B47/12B24B47/20
Inventor 王小霞杨国东罗荣夫田栓明袁文佳
Owner MCC TIANGONG GROUP
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