Automatic force-uniforming focusing device

A focusing and automatic technology, applied in installation, optics, instruments, etc., can solve problems such as high processing precision, out-of-sync optical components, large internal stress, etc., to achieve reduced self-weight deformation, good support state, and high first-order mode Effect

Inactive Publication Date: 2015-04-22
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problems of high processing precision existing in the existing multi-point support type focusing device and the introduction of large internal stress out of synchronization with optical elements, the present invention provides an automatic uniform force focusing device

Method used

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] Such as figure 1 As shown, a kind of automatic equal force focusing device of the present invention is mainly composed of a focusing mount 1 for installing optical elements on a space camera, a lightweight base 2, a left linear guide 3, a right linear guide 4, a left linear guide 4, a Outrigger 5, right outrigger 6, left transmission seat 7, right transmission seat 8, first small shaft 9, second small shaft 10, left connecting rod 11, right connecting rod 12, left driving base 13, right driving base Seat 14, hollow shaft 15, focusing motor assembly 16, left eccentric wheel shaft 17 and right eccentric wheel shaft 18, wherein, the central eccentric wheel of left eccentric wheel shaft 17 is the first central eccentric wheel 19, and the central part of right eccentric wheel shaft 18 is eccentric Wheel is the second middle eccentric wheel 21.

[0031] Su...

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Abstract

The invention provides an automatic force-uniforming focusing device and relates to the field of space loads. The automatic force-uniforming focusing device comprises a focusing installing seat, two linear guide rails connected with the focusing installing seat, two supporting legs connected with the two linear guide rails, light bases connected with the two supporting legs, two driving seats fixed in the focusing installing seat, two connecting rods connected with the two driving seats through two small shafts, two driving bases installed on the light bases, a hollow shaft connected with the two driving bases, a focusing motor assembly installed in the hollow shaft, and a left eccentric wheel shaft and a right eccentric wheel shaft, wherein one end of the left eccentric wheel shaft is connected with one of the two driving bases, the other end of the left eccentric wheel shaft is connected with the hollow shaft, and a middle eccentric wheel is connected with one of the two connecting rods; and one end of the right eccentric wheel shaft is connected with the other driving base, the other end of the right eccentric wheel shaft is connected with a focusing motor output shaft, and a middle eccentric wheel is connected with the other connecting rod. Large inner stress is not introduced by the automatic force-uniforming focusing device, movement over-constraint does not occur, and processing precision is low.

Description

technical field [0001] The invention relates to the technical field of space loads, in particular to an automatic uniform force focusing device. Background technique [0002] The application environment of the space optical system is very harsh, and its influencing factors are very complex, such as ambient temperature changes, atmospheric pressure changes, system vibration, external impact, etc., these factors will cause the focal plane of the space optical system to have a certain degree of axial shift , thus seriously affecting the imaging quality of the space optical system. [0003] In order to ensure the imaging quality of the space optical system, it is necessary to use a focusing device to adjust the axial position of the corresponding optical elements in the space optical system, so as to achieve the purpose of reversely correcting the defocus amount of the focal plane of the space optical system. At present, the focusing devices mainly include single-point supporti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/04
Inventor 杨会生曹乃亮张银鹤袁野鲍赫
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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