Device and method for measuring nozzle positioning

A positioning measurement and nozzle technology, applied in the direction of measuring devices, mechanical measuring devices, mechanical devices, etc., can solve the problems of long measurement time and difficult operation, achieve rapid installation and disassembly, and solve difficult placement and measurement problems Effect

Active Publication Date: 2022-03-04
SHANDONG NUCLEAR POWER EQUIP MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Due to the narrow space inside the top head of the reactor vessel and the large number of guide tubes and guide funnels, conventional measurement methods are difficult to operate and take a long time to measure

Method used

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  • Device and method for measuring nozzle positioning
  • Device and method for measuring nozzle positioning
  • Device and method for measuring nozzle positioning

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Embodiment Construction

[0033] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0034] It should be noted that the terminology used here is only for describing specific embodiments, and is not intended to limit exemplary embodiments according to the present invention. As used herein, unless the invention clearly states otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, their Indicate the presence of features, steps, operations, means, components and / or combinations thereof;

[0035] As introduced in the background technology, there are deficiencies in the prior art. In order ...

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Abstract

The invention discloses a nozzle positioning and measuring device and method, comprising a positioning mechanism, a measuring mechanism and a wire hammer; the positioning mechanism includes an adjusting bolt, a nut, an adjusting plate, an expansion ring and a positioning seat; the top of the positioning seat is fixed with a plurality of The guide column is provided with a positioning hole on the adjustment plate, the positioning hole is matched with the guide column, and there is a certain distance between the adjustment plate and the top of the positioning seat, and an expansion ring is fixed between the adjustment plate and the positioning seat , the adjusting bolt passes through the positioning seat and the adjusting plate in turn from the bottom of the positioning seat upwards, and cooperates with a nut; the measuring mechanism includes a frame for connecting with the top head of the pressure vessel and a detection ruler fixed on the frame. The detection ruler is provided with a plurality of circular grooves, and the circular grooves are used to judge the center of the wire hammer; the wire hammer is fixed at the center of the bottom of the adjusting bolt.

Description

technical field [0001] The invention relates to a device and method for positioning and measuring nozzles, which are mainly used for positioning and measuring when installing funnels and extensions of guide pipes in nuclear power reactor vessels. The device can also be applied to the positioning measurement of similar nozzles. Background technique [0002] The guide pipe and the guide funnel are connected to the lower end of the pressure sleeve on the top cover of the nuclear power reactor vessel to facilitate the lifting and lowering of the control rods, thereby realizing the control of the reaction speed of the reactor. The accuracy of its installation position and concentricity has high requirements. [0003] Due to the narrow space inside the top head of the reactor vessel and the large number of guide tubes and guide funnels, conventional measurement methods are difficult to operate and take a long time to measure. Contents of the invention [0004] Aiming at the de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/00G01B5/252
CPCG01B5/00G01B5/252
Inventor 宋平翟旭恒陈辉王晓梅
Owner SHANDONG NUCLEAR POWER EQUIP MFG
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