Laser aligner for realizing self collimator quick capturing and alignment method

An autocollimator and laser technology, which is applied in the fields of instruments, optics, optical components, etc., can solve the problems of non-professionals spending a lot of time, difficulty in finding work, and small autocollimators, so as to improve the use efficiency and application. Scope, find the method quickly, use the effect of easy operation

Inactive Publication Date: 2004-04-28
TIANJIN UNIV
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Problems solved by technology

[0004] Because the angle of view of the autocollimator is very small, it is very difficult to find the alignment during installation, and it takes a long time. It often takes a lot of time for non-professionals

Method used

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  • Laser aligner for realizing self collimator quick capturing and alignment method
  • Laser aligner for realizing self collimator quick capturing and alignment method

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Experimental program
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Embodiment Construction

[0013] As shown in the figure, the laser aligner is mainly composed of autocollimator positioning sleeve, locking screw, semiconductor laser, fine-tuning screw, micro switch and other parts. The positioning sleeve is directly sleeved on the objective lens tube of the autocollimator in a sliding manner, and the screw is fixed to fix it. The semiconductor laser is composed of a semiconductor laser diode, an optical system, a button battery and a corresponding mechanical structure. The switch is installed on the laser sleeve, and a small hole with a diameter of 1 to 3 mm is opened on the front sleeve of the laser. When assembling, adjust the fine-tuning screw to make the optical axis of the laser coincide with the axis of the sleeve and the exit hole.

[0014] Turn on the micro switch of the laser, and the red laser emitted by the semiconductor laser emits red light through the exit hole with a diameter of 1-3 mm at the front of the sleeve. hole. In this way, it is ensured that...

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Abstract

The laser aligner is connected to the objective tube of the self collimator in sliding mode and features its coaxial stepped tube including large-diameter section as the objective tube connecting and positioning sleeve and with locking screw, small-diameter section holding semiconductor laser with trimming screw and miniature laser switch on the wall and laser sleeve with ejaculating hole coaxial with the sleeve. The quick alignment method includes installing the sleeve of the laser aligner onto the objective tube of the self collimator, turning on the laser, and regulating the relative position between the self collimator and measured plane for the reflected red laser beam to return in the original path to complete the quick alignment. The laser collimator is simple in structure, quick in alignment method and easy to use, and makes it possible to raise the use efficiency and expand the application range.

Description

technical field [0001] The invention relates to the technical field of precision measurement and measurement, in particular to a device and method for realizing rapid alignment of an autocollimator laser. Background technique [0002] Autocollimators play an irreplaceable role in small-angle precision measurement, high-precision aiming and positioning, and are widely used in aerospace, military, and industrial manufacturing. The autocollimator works on the basis of the principle of optical selfcollimation. Since the tangent function value is approximated by radians in its mathematical model, the viewing angle of the autocollimator is determined in principle, that is, the measurement range is very small (generally less than 1 angle Minute). [0003] The autocollimator structure usually consists of a light source, an autocollimator, a base, a reflector, a visual reticle, and an eyepiece. The visual reticle and eyepiece of a modern photoelectric aut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/27G02B27/30
Inventor 林玉池赵美蓉黄银国周欣
Owner TIANJIN UNIV
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