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A measuring head adjusting device

An adjustment device and probe installation technology, applied in the field of measurement, can solve the measurement error of the measurement device and other problems, and achieve the effect of reducing the measurement error and preventing the rotation

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

AI Technical Summary

Problems solved by technology

[0004] The purpose of this invention is to solve the technical problem that the measurement device in the prior art cannot adapt to the inconsistent adjustment of the upper and lower steel protrusions of the grid, resulting in measurement errors

Method used

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Embodiment Construction

[0027] see figure 1 with 2 , the measuring head 1 adjustment device includes a deflection plate 8, the probe 11 is installed on the deflection plate 8, and the deflection plate is installed on the horizontal slide plate 9. Yaw motor 3 is connected with ball screw assembly 5 through coupling 4 , and ball screw assembly 5 is connected with locking rod 2 . see image 3 with Figure 4 , The yaw plate 8 is generally in the shape of an "L" as a whole, and it can be seen from the figure that the yaw plate 8 is provided with a "V"-shaped groove 8a for cooperating with the locking rod 2. see Figure 5 with Image 6 , horizontal slide plate 9 is also roughly " L " shape, and yaw plate 8 is attached on the horizontal slide plate 9 , and yaw plate 8 just can move on the horizontal slide plate 9 like this. see Figure 7 with Figure 8 , One end of the locking rod 2 is provided with a wedge whose shape matches the shape of the "V" groove 8a. When the wedge of the locking rod 2 is e...

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Abstract

The invention belongs to the technical field of measurement and provides a measuring head adjusting device. The measuring head adjusting device comprises a deflection plate and a measuring head is installed on the deflection plate; the deflection plate can drive the measuring head to rotate and swing; a locking rod is connected with a motor or air cylinder via a screw component; the deflection plate is provided with a locking groove matching the locking rod. The deflection plate enables the measuring head to rotate and swing, so that the position of the measuring head can be adjusted to reducemeasurement error.

Description

technical field [0001] The invention relates to the technical field of measurement, in particular to a measuring head adjusting device. Background technique [0002] In the nuclear industry, grids are needed to fix fuel rods, which requires very high clamping springs in the grid, that is, the clamping force should not be too large, if it is too large, nuclear leakage will easily occur, and it should not 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 . However, in the process of measuring the clamping force of the grid spring, since the upper and lower steel protrusions of the grid are...

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Application Information

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IPC IPC(8): G05D3/12
CPCG05D3/12
Inventor 于小焱唐臻宇范元邓话张永乐黄洋宋钢陈宏伟盛建中王丹徐庆叶远东刘丽霞
Owner CNNC JIANZHONG NUCLEAR FUEL