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Optical hole measuring device

An optical pick-up device and hole measuring technology, which is applied in the direction of using optical devices, measuring devices, instruments, etc., can solve the problems of large error and intensity, and no way to realize the operation, etc., and achieve the effect of easy handling, simple structure, and high optical density

Inactive Publication Date: 2008-01-23
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the operation of this hole measuring device is completely dependent on manpower, so the error and strength are very large, and there is basically no way to realize the operation of holes with long axial lengths.

Method used

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Embodiment approach 1

[0030] Hereinafter, embodiments of the present invention will be described based on the drawings.

[0031] Fig. 1 is a schematic cross-sectional view of an optical hole measuring device according to Embodiment 1 of the present invention, and the cross-section passes through the central axis of the device. Fig. 2 is a schematic diagram of the working principle of the optical hole measuring device according to Embodiment 1 of the present invention.

[0032] As shown in FIG. 1 , the optical hole measuring device A has a frame 5 , a laser generator 1 as a laser light source, and a CCD camera 3 as an optical pickup device disposed in the frame 5 . In addition, the optical hole measuring device A is powered by a power source.

[0033] As shown in Figure 1, in this embodiment, the laser generator 1 is a ring laser generator capable of emitting ring-shaped laser light, and the laser beam emitted by it is in the form of outward diffusion, that is, the laser beam is in the shape of a c...

Embodiment approach 2

[0051] Fig. 3 is a schematic cross-sectional view of the optical hole measuring device according to Embodiment 2 of the present invention, the cross-section passing through the central axis of the device. Fig. 4 is a schematic diagram of the working principle of the optical hole measuring device according to Embodiment 2 of the present invention.

[0052] As shown in FIG. 3 and FIG. 4 , a reflective mirror 2 as a reflective member is attached to the third frame 53 , and the reflective mirror 2 has a reflective portion. Optical hole measuring device A of this embodiment 0 In the present invention, the laser generator 100 is different from Embodiment 1, and other configurations can refer to the above-mentioned embodiment, and therefore, descriptions of other parts are omitted.

[0053] In the present embodiment, reflective mirror 2 is a conical solid component, and this reflective mirror 2 is used for reflecting the laser beam that is sent by laser generator 100, therefore, the...

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Abstract

The invention provides an optic hole measuring device, which comprises a laser for giving out laser beam and a light pickup that are arranged opposite to each other. The light pickup is for receiving the light from the laser source that is reflected by the surface to be measured. The device is of simple structure, can carry out contactless measurement, is of high measuring efficiency and accuracy.

Description

technical field [0001] The invention relates to an optical hole measuring device. Background technique [0002] In the prior art, for the measurement of holes with long axial length and gradually smaller diameter, gauges are widely used for measurement, that is, a gauge of a specified size is put into it along the radial direction of the hole, when When the gauge cannot be placed further along the axial direction of the hole, the axial position of the part whose inner diameter is similar to the diameter of the gauge can be obtained, and the data of the inner wall of the hole can be obtained by using gauges of different sizes to test several times. However, the measurement accuracy of the gauge is low. In addition, when the length of the hole in the axial direction is long, it is difficult to manually operate, and therefore, its operability is poor. [0003] In the prior art, there is also a hole measuring device, which is a tool with certain adhesion and deformation capabi...

Claims

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Application Information

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IPC IPC(8): G01B11/02G01B11/24
Inventor 徐春广肖定国朱文娟冯忠伟郝娟周世圆
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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