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A Portable Sampling Machine for Minimal Damage Sampling of In-Service Equipment

A sampling machine and portable technology, applied in the field of portable sampling machines, can solve the problem of not allowing large samples, and achieve the effects of short sampling time, simple structure and low energy consumption

Active Publication Date: 2021-03-09
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently the most effective way to evaluate the material status of in-service equipment is on-site sampling, but it is not allowed to take large samples from in-service equipment, only small samples can be taken

Method used

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  • A Portable Sampling Machine for Minimal Damage Sampling of In-Service Equipment
  • A Portable Sampling Machine for Minimal Damage Sampling of In-Service Equipment
  • A Portable Sampling Machine for Minimal Damage Sampling of In-Service Equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A portable sampling machine used for micro-damage sampling of in-service equipment, its structure is as follows figure 1 As shown, it includes a tool 1, a host 7 for driving the tool 1 to rotate, a swing unit for driving the tool 1 to swing, and a swing unit arranged between the swing unit and the tool 1 to convert the power of the swing unit into the swing force of the tool 1. The swing arm 6, when sampling, the host machine 7 drives the cutter 1 to rotate around its central axis, and the swing unit drives the cutter 1 to swing in the plane of the central axis through the swing arm 6 to realize metal sampling.

[0028] The outer wall of the cutter 1 is spherical, the lower part of the cutter 1 is horizontal and open, the inside of the cutter 1 is hollow, the top of the cutter 1 is provided with a handle, and the handle is arranged along the central axis of the cutter 1 . The center angle of the sphere corresponding to the opening of the tool 1 is greater than 180°.

...

Embodiment 2

[0037] Adopt the sampling machine similar to embodiment 1, its structure is as follows image 3 As shown, the specific differences are:

[0038] The host 7 is arranged along the central axis of the tool 1, the bottom of the host 7 is provided with a block 2, the upper end of the knife handle is fixed in the block 2, the host 7 is fixed on the swing arm 6 through the fixed block 3 and the adjustment block 5, and the knife The handle is cylindrical and can be installed in the round hole of the block 2 of the fixed tool 1 and locked. The position of the host machine 7 on the fixed block 3 and the adjustment block 5 is adjustable, and the adjustment direction is along the straight line where the central axis of the tool 1 is located.

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Abstract

The invention relates to a portable sampling machine for micro-damage sampling of in-service equipment, comprising a cutter, a host, a swing unit, and a swing arm. The host is used for driving the cutter to rotate. The swing unit is used for driving the cutter to swing. The swing arm is arranged between the swinging unit and the cutter and is used for converting the power of the swinging unit intoa cutter swinging power. During sampling, the host drives the cutter to rotate around the axis, and the swing unit drives the cutter to swing in the plane of the axis through the swing arm to realizemetal sampling. Compared with the prior art, the portable sampling machine for micro-damage sampling of in-service equipment can perform on-site rapid micro-damage sampling on the in-service equipment, the sampling time is short, the efficiency is high, the sampling size is controllable, and has the advantages of being simple in structure, small in size, light in weight, convenient to carry, simple in fixing method and the like.

Description

technical field [0001] The invention relates to the technical field of special equipment detection, in particular to a portable sampling machine for micro-damage sampling of in-service equipment. Background technique [0002] Special equipment in the fields of petrochemical and nuclear power have been in service for a long time in high temperature, high pressure and corrosive or radioactive environments. After several years of operation, whether the materials of these equipment can still maintain their original state or have deteriorated has become the focus of attention. one. At present, the most effective method for evaluating the material status of in-service equipment is on-site sampling, but it is not allowed to take large samples from in-service equipment, only small samples can be taken. This requires only micro-damage sampling of in-service equipment, and making tiny samples for small punch test or hydraulic bulge test. For example, for micro-sample sampling of in-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 王琼琦涂善东陈汝康王建文
Owner EAST CHINA UNIV OF SCI & TECH
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