Three-grating multidirectional attitude adjusting tower

Abstract

The invention relates to a three-grating multidirectional posture adjusting tower which comprises a grating tower workbench, a pitching adjusting module arranged on one side of the grating tower workbench, a three-grating device supported on the pitching adjusting module and a rotation adjusting unit arranged on the other side of the grating tower workbench. The pitch adjusting module adjusts the pitch angle of the three-grating device by adjusting the elastic deformation degree of a pitch adjusting spring piece through a fine thread pair, and the rotation adjusting unit achieves rotation of the three-grating device around the Z axis through meshing transmission of a worm gear and a worm. Therefore, the rotation angle of the three-grating device around the Z axis is adjusted, and the three-grating multidirectional attitude adjustment tower is simple and compact in overall structure, simple and flexible in adjustment mode and high in adjustment precision.

Description

technical field [0001] The invention relates to the technical field of grating attitude adjustment, in particular to a three-grating multi-directional attitude adjustment tower. Background technique [0002] With the vigorous development of the spectroscopic instrument industry, the research and development of cutting-edge spectrometers at home and abroad have more and more urgent requirements for the performance of the monochromator. The development of a higher-resolution monochromator product has important scientific significance and wide application. prospect. Among them, the grating monochromator is more widely used, and the orientation adjustment of the three-grating device in the grating monochromator has an important impact on the spectral resolution of the monochromator. Most of the existing three-grating adjustment brackets can only realize left and right directions or For the adjustment of the up and down direction, only a small part of the bracket can realize the...

AI Technical Summary

Problems solved by technology

Among them, the grating monochromator is more widely used, and the orientation adjustment of the three-grating device in the grating monochromator has an important impact on the spectral resolution of the monochromator. Most of the existing three-grating adjustment brackets can only realize left and right directions or For the adjustment of the up and down direction, only a small part of the bracket can realize the steering adjustment, such as the three-grating attitude adjustment bracket that uses the planetary gear structure, the gear transmission structure or the rack and pinion transmission structure as the rotation adjustment. These three-grating attitude adjustment bracket solutions have rotation The adjustment structure is complex and difficult to adjust. These shortcomings will affect the overall wavelength scanning effect of the monochromator.

Moreover, the gear transmission structure is not compact, and there is also the problem of occupying a large space. In addition, the error of the gear transmission and the rack and pinion transmission will affect the accuracy of the rotation of the three gratings around the Z axis.

Therefore, generally speaking, the rotation adjustment structure of the existing three-grating adjustment bracket has the problems of complex structure, large volume, inconvenient adjustment, and large rotation adjustment error.

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