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Impactor

A technology of impactor and support seat, applied in the field of impactor, can solve the problems of inability to meet the noise monitoring system, unable to generate acoustic noise signals, small impact energy adjustment range, etc., achieving convenient and fast operation, light weight, and accurate positioning of impact energy. adjustable effects

Active Publication Date: 2011-07-06
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limited use of this type of impactor, most of them use plastic shells, single spring tension, and the impact energy adjustment range is small. The material cannot be used on reactor equipment, and it cannot generate acoustic noise signals. It cannot meet the noise monitoring of pressure vessels and pipelines in nuclear power plants. system needs

Method used

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Embodiment Construction

[0011] The content of the present invention will be further described below in conjunction with the accompanying drawings.

[0012] Such as figure 1 , 2 . As shown in 3, an impactor includes: handle plug 1, nut 2, control rod 3, handle 4, barrel spring 5, return spring 6, barrel 7, rotating shaft 8, rotating support block 9, support seat 10. Lower end head 11 and contact head 12.

[0013] The handle 4 is a cylindrical structure, and has an axial through hole at the bottom, and its upper and lower ends are respectively provided with external threads and internal threads. The control rod 3 is composed of a thick rod at the upper end and a thin rod at the lower end, and has a radially rectangular through hole on the thin rod at the lower end. The thick rod at the upper end of the control rod 3 is inserted into the bottom of the handle 4 to have an axial through hole, and a nut 2 is installed on the upper end of the control rod 3, and the barrel spring 5 with a large diameter a...

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Abstract

The invention belongs to impact equipment and particularly relates to an impactor of an acoustic noise online monitoring system for mounting of loose parts and dropping parts on reactor equipment in a nuclear power station. The impactor comprises a handle end cap, a control rod, a cylinder-beating spring, a return spring, a rotation shaft, a contact head and other parts, can be used for generating four types of impact energy of 4.68J, 2.74J, 1.48J and 0.17J, positioning the impact energy accurately and adjustably and simulating the acoustic noises generated by the loose parts and the dropping parts in a pressure vessel, a return pipeline, a heat exchanger, a steam generator and other equipment in the nuclear power station under the fluid impact, can meet the requirements of a service environment for high environment temperature, small spatial location and high radioactivity level in the nuclear power station, and is favorable for solving the problems of on-site testing and calibration of a loose part monitoring system of the nuclear power station. The impactor provided by the invention can also be applied to the non-nuclear field.

Description

technical field [0001] The invention belongs to impact equipment, in particular to an impact device used in an on-line monitoring system for acoustic noise of loose parts and falling parts installed in nuclear power plant reactor equipment. Background technique [0002] In order to ensure the safe operation of nuclear power plant equipment, all nuclear power plants are required to install an online monitoring system for loose parts. Impactors are used to generate simulated acoustic noise on reactor pressure vessels, loop piping, heat exchangers, steam generators and other equipment, and the monitoring system is monitored. debugging. [0003] At present, the impactor using the spring tension impact method is used in the mechanical impact test of the display screen, knob and indicator light in the home appliance industry. Due to the limited application, this type of impactor mostly adopts plastic shell, single spring stretching, and the adjustment range of impact energy is sm...

Claims

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Application Information

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IPC IPC(8): G21C17/00
CPCY02E30/30
Inventor 房成春魏东刘才学
Owner NUCLEAR POWER INSTITUTE OF CHINA
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