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Nuclear reactor pressure vessel connection pipe safety end pre-delivery ultrasonic detection device

A technology for pressure vessels and nuclear reactors, which is applied to measuring devices, using sound waves/ultrasonic waves/infrasonic waves to analyze solids, and using sound waves/ultrasonic waves/infrasonic waves to analyze materials, etc. It can solve the problems of high manufacturing costs, many operators, and large space occupation. , to achieve the effects of easy installation, enhanced support stability, and guaranteed axial positioning

Pending Publication Date: 2019-07-05
RES INST OF NUCLEAR POWER OPERATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the inspection of pressure vessels mainly uses large-scale inspection equipment to carry various inspection tools to inspect different parts. The manufacturing cost is high, it needs to occupy a large space, there are many operators, and the risk of equipment operation and installation is high.

Method used

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  • Nuclear reactor pressure vessel connection pipe safety end pre-delivery ultrasonic detection device
  • Nuclear reactor pressure vessel connection pipe safety end pre-delivery ultrasonic detection device
  • Nuclear reactor pressure vessel connection pipe safety end pre-delivery ultrasonic detection device

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] An ultrasonic inspection device for the safety end of a nuclear reactor pressure vessel, including a suction cup tensile support part 4, a front rotary support part 5, a tray part 6, a linear motion part 7, a circular motion part 8, a rear rotary support part 9, and a frame 10 , gear bar 11, hoisting turning mechanism 12 and limit mechanism 13.

[0025] A circular motion component 8 and a linear motion component 7 are connected between the front rotary support component 5 and the rear rotary support component 9 , and the circular motion component 8 is installed on one side close to the rear rotary support component 9 .

[0026] The front rotary support part 5 and the rear rotary support part 9 not only play the role of supporting and fixing the two ends, but also play the rotary motion support of the circular motion part 8 and ...

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Abstract

The invention belongs to the technical field of ultrasonic non-destructive detection and relates to a nuclear reactor pressure vessel connection pipe safety end pre-delivery ultrasonic detection device. The device comprises a suction cup tensile supporting component, a front rotation supporting component, a tray component, a linear motion component, a circular motion component, a rear rotation supporting component, a rack, shift levers, a lifting and turning mechanism and limiting mechanisms; the circular motion component and the linear motion component are connected between the front rotationsupporting component and the rear rotation supporting component; the circular motion component is installed at one side adjacent to the rear rotation supporting component; the suction cup tensile supporting component is arranged at the front end of the front rotation supporting component; the rack is arranged at the rear end of the rear rotation supporting component; the rack is provided with theupper shift lever, the lower shift lever and the lifting and turning mechanism; and the limiting mechanisms are arranged at two ends of the upper shift lever and the lower shift lever.

Description

technical field [0001] The invention belongs to the technical field of ultrasonic non-destructive testing, and in particular relates to an ultrasonic inspection device for the safety end of a nuclear reactor pressure vessel. Background technique [0002] The connecting pipe of the pressure vessel and the main pipeline are connected through a transitional safety end, and a radioactive cooling medium flows through it. If a leak occurs in this area, a serious safety accident will occur. Check the terminal connection. Before the nuclear reactor pressure vessel is transported to the nuclear power plant, the connection pipe is connected to the pressure vessel, and the safety end is connected to the connection pipe, but the main pipeline is not connected to the safety end. The connection is sealed with a spherical head, and the scanning range of the weld seam at the safety end of the nozzle needs to move the probe tray to the weld between the spherical head and the safety end. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/265G01N29/04
CPCG01N29/265G01N29/048G01N2291/2636Y02E30/30
Inventor 王龙王俊涛张志义
Owner RES INST OF NUCLEAR POWER OPERATION
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