Detection device and method for observation and measurement of deep hole inner wall

A detection device and deep hole technology, which are applied to measurement devices, optical devices, instruments, etc., can solve the problems of high investment, high use cost, difficult operation of industrial endoscopes, etc., and achieve high operating efficiency, low long-term use cost, Easy-to-use effects

Active Publication Date: 2017-12-01
SHANGHAI SPACE PRECISION MACHINERY RES INST
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Traditional deep hole measurement relies on industrial endoscopes, but for slender capillaries with a diameter of less than 1mm, industrial endoscopes have the characteristics of difficult operation, high investment and use costs, etc.

Method used

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  • Detection device and method for observation and measurement of deep hole inner wall

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0031] Such as figure 1 As shown, a detection device for observation and measurement of the inner wall of a deep hole provided according to the present invention includes: a clamping tool 1, an upper workbench 2, a horizontal axis differential cylinder 3, a middle workbench 4, a vertical axis differential cylinder 5, Lower working table 6, lifting shaft 7, lifting handle 8, angle adjustment knob 10, swing platform 11, point light source 12, stereo microscope 13;

[0032] The clamping tool 1 is fixed on...

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Abstract

The invention provides a detection device and method for observation and measurement of the inner wall of a deep hole. The method comprises the steps that a clamping device (1) on an upper workbench (2) clamps a deep hole test piece; and a horizontal axis microdrum (3), a vertical axis microdrum (5), an elevating handle (8) and an angle adjusting turn button (10) are adjusted so that light of a spot light source (12) is input to the visual field of a stereomicroscope (13) from the bottom of the deep hole test piece and upwardly through the deep hole test piece. Thus, a clear visual field of high field depth can be obtained, and the inner wall of the deep hole test piece can be observed and measured in multiple angles.

Description

technical field [0001] The present invention relates to the category of accurate observation and measurement of excess on the inner wall of a deep (through) hole. It uses a point light source to illuminate the inner wall of a deep (through) hole by penetrating light from the bottom upwards, and assists a microscope to clearly observe and measure the shape and size of the excess on the inner wall. detection method. Background technique [0002] Small diameter capillary weldments must be thoroughly inspected after cleaning to ensure that the inner walls of the pipe are free of microscopic particulate excess that could clog the valve. Traditional deep hole measurement relies on industrial endoscopes, but for slender capillaries with a diameter of less than 1mm, industrial endoscopes have the characteristics of difficult operation, high investment and use costs. The invention preferably solves the multi-angle observation and measurement of the inner wall of the straight cylindr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/24G01B11/00
CPCG01B11/00G01B11/24
Inventor 陈莉曹雪峰许恒庭沈燕萍武英英吴宏
Owner SHANGHAI SPACE PRECISION MACHINERY RES INST
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