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A translational shearing assembly for dismantling a nuclear reactor detector assembly

A technology for detector components and nuclear reactors, applied in the direction of shearing devices, shearing machine equipment, shearing machine accessories, etc., can solve the problems of not considering replacement, improve reliability, reduce tool size, and increase shear life Effect

Active Publication Date: 2021-04-06
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The design life of the two detector components is the whole life of the power plant, and replacement is not considered except in special circumstances

Method used

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  • A translational shearing assembly for dismantling a nuclear reactor detector assembly
  • A translational shearing assembly for dismantling a nuclear reactor detector assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Such as figure 1 , figure 2 As shown, a translational shearing assembly for removing a nuclear reactor detector assembly includes a rotating motor 4, a left main shaft 7 and a right main shaft 18;

[0045] The left side spindle 7 is provided with a left side cutter 9, and the right side spindle 18 is slidably provided with a right side cutter 16, and the left side cutter 9 and the right side cutter 16 are respectively placed on both sides of the detector assembly during shearing , the right side cutter 16 is connected to the power output shaft of the driving mechanism 21, the outer walls of the left main shaft 7 and the right main shaft 18 are respectively provided with a spur gear assembly I6 and a spur gear assembly II15, and the driving mechanism 21 is electric cylinder;

[0046]The output end of the rotating electrical machine 4 is provided with a multi-output reducer I3, and the horizontal end and the vertical end of the multi-output reducer I3 are respectively ...

Embodiment 2

[0050] Such as figure 1 , figure 2 As shown, this embodiment is based on Embodiment 1, and also includes a shearing motor 10, the output end of the shearing motor 10 is sequentially connected to a multi-output reducer II11, a reversing reducer II12, a flexible hinge 13 and a transmission shaft 14, The transmission shaft 14 is connected with the driving mechanism 21 .

[0051] In this embodiment, after the detector assembly is clamped between the left main shaft 7 and the right main shaft 18, the shearing motor 10 rotates through the multi-output reducer II11, the reversing reducer II12, the flexible hinge 13, and Behind the transmission shaft 14, the rotary motion is transmitted to the driving structure 21, thereby converting the rotary motion into linear motion.

Embodiment 3

[0053] Such as figure 1 , figure 2 As shown, this embodiment is based on Embodiment 1, and the left cutter 9 and the right cutter 16 are detachably installed inside the left spindle 7 and the right spindle 18, specifically:

[0054] The inside of the left main shaft 7 is provided with a first through groove, the first through groove is parallel to the axial direction of the left main shaft 7, one end of the left tool 9 is installed on the left handle 8, and the left side The tool handle 8 is set on the left main shaft 7 through the tool pressing piece 5;

[0055] The inside of the right main shaft 18 is provided with a second through groove, the second through groove is parallel to the axial direction of the right main shaft 18, one end of the right side cutter 16 is installed on the right side handle 17, and the right side The knife handle 17 is arranged in the second through groove, the right side knife handle 17 is vertically provided with a shear pin 19, and the right s...

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Abstract

The invention discloses a translational shearing assembly for dismantling a nuclear reactor detector assembly, comprising a rotating motor, a left main shaft and a right main shaft; the left main shaft is provided with a left tool, and the right main shaft is slidably arranged There is a right cutter, and the left cutter and the right cutter are respectively placed on both sides of the detector assembly during shearing, the right cutter is connected with the power output shaft of the drive mechanism, and the outer walls of the left spindle and the right spindle A spur gear assembly I and a spur gear assembly II are respectively provided; the output end of the rotating electrical machine is provided with a multi-output reducer I, and the horizontal end and the vertical end of the multi-output reducer I are respectively provided with a telescopic transmission shaft and The first vertical transmission shaft, the first vertical transmission shaft is connected with the spur gear assembly II, and the end of the telescopic transmission shaft is connected with the spur gear assembly I through the second vertical transmission shaft. The invention realizes the removal and separation of the high-radiation section and the low-radiation section of the detector assembly.

Description

technical field [0001] The invention relates to the technical field of refueling overhaul of a pressurized water reactor nuclear power plant, in particular to a translational shearing assembly for dismantling a nuclear reactor detector assembly. Background technique [0002] The detectors used in the core measurement system in the second-generation and second-generation pressurized water reactor nuclear power plants are divided into thermocouples for temperature measurement and neutron flux detectors for flux measurement. The thermocouple is introduced from the top cover of the pressure vessel, guided by the thermocouple column assembly, and positioned at the specified measuring point position, and the lower end of the thermocouple is located at the core outlet of the upper core plate. The flux detector is introduced from the bottom head of the pressure vessel, guided through the instrument sleeve and finger sleeve when necessary, and enters the guide pipe inside the fuel as...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D15/00B23D33/00B23D33/02
CPCB23D15/00B23D33/00B23D33/02
Inventor 熊思勇杨其辉李娜安彦波湛卉余志伟瓮松峰钟元章谭宏伟黄辉王炳炎陈书华任荷张翼殷琪
Owner NUCLEAR POWER INSTITUTE OF CHINA