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A measuring device preventing a measuring head from colliding with a lattice and a measuring method thereof

A measuring device and detection device technology, which is applied in the field of measurement, can solve problems such as probe grid collision and grid probe damage, and achieve the effect of avoiding collisions

Active Publication Date: 2018-02-02
CNNC JIANZHONG NUCLEAR FUEL +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The primary purpose of the present invention is to solve the technical problem that the measuring head will collide with the grid in the prior art, causing damage to the grid or the measuring head

Method used

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  • A measuring device preventing a measuring head from colliding with a lattice and a measuring method thereof
  • A measuring device preventing a measuring head from colliding with a lattice and a measuring method thereof
  • A measuring device preventing a measuring head from colliding with a lattice and a measuring method thereof

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Embodiment Construction

[0033] see Figure 1-3 , a measuring device for preventing the probe from touching the grid, comprising a sliding trolley 1 and a workbench 2, on which a track I3 and a track II7 are arranged in parallel, the sliding trolley 1 can walk on the track I3 and the track II7, To measure grid 4 cells at different positions. The measuring head 9 is installed on the sliding trolley 1, and the measuring head 9 moves along with the sliding trolley 1. Grid frame 4 is positioned on the workbench by positioning block 5, from figure 2 It can be seen that each grid frame 4 is positioned by three positioning blocks 5. In addition to being positioned by the positioning block 5, the grid frame 4 is also provided with a clamping mechanism 6, which is used to clamp the grid frame 4 so that it cannot move during the measurement process. In this embodiment, each grid frame 4 is provided with two clamping mechanisms 6, one clamps the central part of the grid frame 4, and the other clamps the corn...

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Abstract

The invention relates to the technical field of measurement and provides a measuring device preventing a measuring head from colliding with a lattice. The measuring device comprises a measuring head,a workbench used for placing lattices and a sliding trolley for installing the measuring head; the measuring head is provided with a strain gauge and a signal conversion device connected with the strain gauge; the measuring head is provided with an electrode and a detection circuit used for detecting currents. When the measuring head comes into contact with a lattice, the detection circuit generates a signal and gives alarm and then measurement is stopped, so that collision between the measuring head and lattices can be effectively prevented.

Description

technical field [0001] The invention relates to the technical field of measurement, in particular to a measuring device and method for preventing a probe from touching a grid. Background technique [0002] In the nuclear industry, grids are needed to fix the fuel rods, which requires very high clamping springs in the grids, that is, the clamping force should not be too large. If it is too large, it is easy to pinch the fuel rods and cause nuclear leakage. It cannot be too small, otherwise the fuel rod cannot be clamped. Therefore, before the grid is used, the clamping force of its spring must be tested. [0003] Chinese patent CN204301905U discloses an instrument for measuring the clamping force of the spring in the grid, which mainly uses strain gauges to detect the clamping force of the spring, and reads the data by the signal conversion module, thereby obtaining the clamping force of the spring . During the measurement process, this kind of measuring instrument sometim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01L5/00
Inventor 范元于小焱邓话唐臻宇宋钢黄洋陈宏伟张永乐盛建中王丹徐庆叶远东刘丽霞
Owner CNNC JIANZHONG NUCLEAR FUEL