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Device for automatically detecting weld joint of low-pressure welding rotor of steam turbine for nuclear power station

An automatic detection device and welding rotor technology, which is applied in the direction of measuring devices, auxiliary devices, welding equipment, etc., can solve the problems of automatic inspection of weld seams of low-pressure welding rotors of steam turbines in nuclear power plants, etc., and achieve rapid installation and positioning, fast and convenient installation, To achieve the effect of concentricity

Inactive Publication Date: 2015-07-01
CHINA NUCLEAR POWER OPERATION TECH +1
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no mention of an automatic inspection device for the low-pressure welded rotor welds of nuclear power plant steam turbines in the prior art

Method used

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  • Device for automatically detecting weld joint of low-pressure welding rotor of steam turbine for nuclear power station
  • Device for automatically detecting weld joint of low-pressure welding rotor of steam turbine for nuclear power station
  • Device for automatically detecting weld joint of low-pressure welding rotor of steam turbine for nuclear power station

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0032] The present invention is an automatic detection device for low-pressure welded rotor welds of a steam turbine in a nuclear power plant, comprising a guide rail assembly 1, a circumferential movement assembly 2, an axial drive assembly 3, a probe assembly 4, a positioning assembly 5, and a circumferential drive assembly 6;

[0033] The guide rail assembly 1 includes a quick clamp assembly, a semi-circular guide rail 101, and a half ring gear 102;

[0034] The semi-circular guide rail 101 is a semi-circular track structure, and its guide rail groove profile is "H" shape, and the opening direction of the guide rail groove is consistent with the axis direction of the semi-circular track structure; the half ring gear 102 is connected to the Said semicircular guide rail 101 is close to the end face of said guide rail slot opening side of its inner circ...

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Abstract

The invention relates to a device for automatically detecting a weld joint of a low-pressure welding rotor of a steam turbine for a nuclear power station. The device comprises a guide rail component, a circumferential motion component, an axial drive component, a probe component and a circumferential drive component. The guide rail component is of an annular guide rail structure, and the direction of the opening of a guide rail groove is consistent with the direction of the axis of the annular guide rail structure. The circumferential motion component is embedded into the guide rail component and slides along the annular guide rail structure. The circumferential drive component is matched with the circumferential motion component and drives the circumferential motion component to slide in the circumferential direction. The axial drive component is connected with the circumferential motion component and comprises a sliding part which slides along the direction of the axis of the annular guide rail structure. The probe component is fixed to the sliding part. The device has the advantages that the device is quick and convenient to mount, the coaxiality of the device relative to the low-pressure welding rotor of the steam turbine can be quickly determined, and the device can be quickly mounted and positioned.

Description

technical field [0001] The invention relates to the technical field of automatic non-destructive detection of weld seams of low-pressure welded rotors of steam turbines in nuclear power plants, in particular to an automatic detection device for weld seams of low-pressure welded rotors of steam turbines in nuclear power plants. Background technique [0002] The low-pressure welded rotor of the steam turbine in a nuclear power plant is subject to harsh working conditions and complex stress conditions. In order to ensure its safe and reliable operation, it is necessary to carry out non-destructive testing on its welds to ensure that the welds will not fail during the operation of the nuclear power plant. [0003] The welding seam structure of the low-pressure welded rotor of the steam turbine in the nuclear power plant is as follows: figure 1 shown. There are 9 annular butt welds distributed in the axial direction from left to right, the weld numbers are A, B, C, D, E, F, G, H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/00G01N33/00
CPCB23K37/00G01N33/00
Inventor 丁冬平蔡家藩张志义聂勇杨崇安陈亮胡啸
Owner CHINA NUCLEAR POWER OPERATION TECH
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