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Two-dimensional angle adjusting frame

A two-dimensional angle, adjusting frame technology, applied in instruments, installation, optics and other directions, can solve the problems of high cost, insufficient rigidity of the adjusting frame, high processing requirements, etc., to reduce the matching accuracy, improve the rigidity and stability, and eliminate the gap. Effect

Active Publication Date: 2014-08-13
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

[0002] The two-dimensional angle adjustment frame is widely used in the field of optical precision machinery. Generally, the two-dimensional adjustment mechanism adopts a three-point structure or an orthogonal shaft system to form an adjustment shaft, uses a spring to provide a restoring force, and uses a precision screw drive to improve the adjustment resolution; because the spring exists , the rigidity of the adjustment frame is insufficient, and when the locking mechanism is added, the adjustment mechanism will move when the screw is locked; in addition, the pitch of the precision screw used as the drive is very small, generally 0.20-0.35mm, which requires high processing. , the cost is high, and it is difficult to eliminate the gap between the screw and the nut even with precision matching research

Method used

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific examples, but not as a limitation of the present invention.

[0031] It can be seen from the figure that the embodiment of the two-dimensional angle adjustment frame of the present invention comprises an L-shaped base 1, an adjustment seat 2, two two-dimensional flexible hinges 3, two screw rods 4, two nuts 5, steel balls 6, two A ball pit 7, three positioning posts 8, two circlips 13, a first connecting screw 9, a second connecting screw 10, a fixing screw 11 and a third connecting screw 12;

[0032] The corner of the L-shaped base 1 has a base ball pit hole 14, the two ends respectively have a first nut fixing hole 111 and a second nut fixing hole 116, and the middle of the adjustment seat 2 has an installation adjustment object The mounting hole 222 of the L-shaped base 1, the positions corresponding to the base ball pit hole 14, the first nut fixing hole ...

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Abstract

A two-dimensional angle adjusting frame comprises an L-shaped base, an adjusting base, two two-dimensional flexible hinges, two lead screws, two nuts, steel balls, two ball pits, three positioning columns, two elastic collars, a first connecting screw, a second connecting screw, a fixing screw and a third connecting screw. The two-dimensional angle adjusting frame has the advantages of being simple in structure, low in lead screw machining requirement, free of transmission gaps, high in two-dimensional angle adjusting resolution ratio and high in rigidity.

Description

technical field [0001] The invention relates to a two-dimensional angle adjustment frame, in particular to a high-rigidity, differentially driven two-dimensional angle adjustment frame, which especially reduces the processing requirements of screw rods. Background technique [0002] The two-dimensional angle adjustment frame is widely used in the field of optical precision machinery. Generally, the two-dimensional adjustment mechanism adopts a three-point structure or an orthogonal shaft system to form an adjustment shaft, uses a spring to provide a restoring force, and uses a precision screw drive to improve the adjustment resolution; because the spring exists , the rigidity of the adjustment frame is insufficient, and when the locking mechanism is added, the adjustment mechanism will move when the screw is locked; in addition, the pitch of the precision screw used as the drive is very small, generally 0.20-0.35mm, which requires high processing. , the cost is high, and it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/00
Inventor 杜李峰朱健强杨晓伟刘志刚汤更秀
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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