Device for polishing inner hole weld root of high-temperature alloy furnace tube

A high-temperature alloy and furnace tube technology, which is used in grinding machines, metal processing equipment, grinding/polishing equipment, etc., can solve the problems of low work efficiency, easy grinding of partial inner holes, and high labor intensity, so as to reduce labor intensity and ensure The effect of grinding quality and improving work efficiency

Inactive Publication Date: 2014-01-15
QINGDAO NPA IND
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this grinding method, the labor intensity of the workers is very high, the work efficiency is low, and it is easy to grind the inner hole or grind too much

Method used

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  • Device for polishing inner hole weld root of high-temperature alloy furnace tube
  • Device for polishing inner hole weld root of high-temperature alloy furnace tube
  • Device for polishing inner hole weld root of high-temperature alloy furnace tube

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Experimental program
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Effect test

Embodiment

[0022] refer to figure 1 — Figure 5 , the high-temperature alloy furnace tube inner hole welding root grinding device of the present embodiment includes a furnace tube rotating power transmission device, a furnace tube support device, a grinding device, and a grinding support device, and the furnace tube rotating power transmission device and the furnace tube support The device and the grinding support device are installed in sequence. The superalloy furnace tube 37 is installed on the furnace tube support device, and one end of the superalloy furnace tube 37 is connected with the furnace tube rotating power transmission device. The grinding device is installed on the grinding on the support device. The furnace tube rotation power transmission device includes a gear motor 1, a channel steel support 2, a gear reducer 3, a universal joint sleeve 4, a support seat 5, a double-ended universal joint 6 and a clamping device. The machine 3, the universal joint connecting sleeve 4,...

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Abstract

The invention discloses a device for polishing an inner hole weld root of a high-temperature alloy furnace tube. The device for polishing the inner hole weld root of the high-temperature alloy furnace tube comprises a furnace tube rotating power transmission device, a furnace tube supporting device, a grinding device and a grinding supporting device. The furnace tube rotating power transmission device, the furnace tube supporting device and the grinding supporting device are installed in sequence, the high-temperature alloy furnace tube is installed on the furnace tube supporting device, one end of the high-temperature alloy furnace tube is connected with the furnace tube rotating power transmission device, and the grinding device is installed on the grinding supporting device. According to the device for polishing the inner hole weld root of the high-temperature alloy furnace tube, automatic control is achieved, only manual monitoring is needed in the weld root polishing working process, labor intensity is reduced, and working efficiency is improved; by arranging a limiting shaft and a magnetic switch, limitation and automatic reversing are achieved, the polishing position and distance of the furnace tube weld root can be determined accurately, the shortcoming that polishing is not performed on the designated position or the polishing distance is too long in the artificial polishing is overcome, and accordingly polishing quality of the furnace tube weld root is effectively guaranteed.

Description

[0001] technical field [0002] The invention belongs to the technical field of high-temperature alloy furnace tube processing devices, and in particular relates to a device for grinding the welding root of the inner hole of a high-temperature alloy furnace tube. [0003] Background technique [0004] The superalloy furnace tubes used in oil and chemical industry are generally more than ten meters long, and are mostly welded by 3-4 sections of furnace tubes. Because the liquid material is transported in the furnace tube, the surface roughness of the inner hole of the furnace tube must reach Ra3.2um, so the welding root of the inner hole must be Sand smooth and flat. The existing technology is to use a long pipe to connect the pneumatic grinding wheel manually, and go deep into the welding root of the furnace tube for grinding. The longitudinal movement of the grinding wheel and the axial rotation of the furnace tube all rely on manual promotion. In such a grinding method, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B9/04
CPCB24B5/48
Inventor 常维宁王兴雷
Owner QINGDAO NPA IND
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