Flexible support device and support method for non-vertical placement of large transflective lens
A support method and a support device technology, applied in installation, instrumentation, optics, etc., can solve problems such as lack of support methods, achieve the effect of reducing gravity or processing deformation, and ensuring stability
Active Publication Date: 2016-03-09
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology
However, there is no effective support method. On the one hand, it can meet the requirements of the light-passing area of the transmissive lens with a certain aspect ratio, and on the other hand, it can minimize the deformation of the non-vertical lens caused by gravity or processing.
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[0029] The present invention will be described in detail below in conjunction with the embodiments and the accompanying drawings.
[0030] see first figure 1 , it can be seen from the figure that the non-vertical flexible support device for large-scale transflective lenses of the present invention includes two pretensioning mechanisms 1, two pressing plates 2, two fixing frames 3, two supporting plates 5, and bottom fixing screws 6 And side stud 7, described pretensioning mechanism 1 is made of screw sleeve 101, spring 102 and compression column 103, see figure 2 , the pressing column 103 has an inner hole for the spring 102 to be set, the screw sleeve 101 is integrally formed by a cylinder with an external thread and a top plate, and the cylinder is provided for the pressing column 103,
[0031] Described fixed frame 3 sees image 3 , consisting of an integrated upper plate, side plates and bottom plate, the upper plate has three upper screw holes 301, the side plate has t...
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A flexible support device and support method for non-vertical placement of a large transflective lens, the device includes two pre-tightening mechanisms, two pressure plates, two fixed frames, two support plates, bottom fixing screws and side studs, The invention utilizes the flexible support unit outside the light-passing area to realize the flexible bending moment of the edge to offset the lens surface deformation caused by gravity or processing of the large lens. The structural feature of the present invention is that there is a certain distance between the relative positions of the pressing plate and the supporting plate, and by applying a certain amount of force to the pressing plate, the pressing plate and the supporting plate form an edge moment against gravity or processing deformation at the edge of the supported lens. The supporting structure of the lens is composed of a fixed frame, a pre-tightening mechanism, a pressing plate, a supporting plate, fixing screws and side studs. Utilizing the invention can ensure that the gravity or processing deformation of the large transflective lens is greatly reduced due to the function of edge flexible support under the non-horizontal optical axis working state of the large transflective lens.
Description
technical field [0001] The invention relates to a large-scale transflective lens, in particular to a flexible supporting device and a supporting method for a large-scale transflective lens placed non-vertically. Under the condition of not affecting the light-transmitting area, the edge formed by the pre-tightening force exerted by the edge The bending moment can significantly improve the deformation of the transflective optical element due to the influence of gravity or processing when it is placed in a non-vertical state. Background technique [0002] For large transflective lenses, due to the influence of the gravity or processing of the lens itself, the lens is affected by gravity under working conditions and causes a large deformation. This deformation will affect the quality of the beam and cause the wavefront distortion of the beam. In order to eliminate the deformation of the processed surface or the deformation of the large lens under the gravity environment, it is n...
Claims
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IPC IPC(8): G02B7/00
Inventor 朱健强任志远刘志刚姜旭东杨晓伟张海青
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI