Spiral cross flexible bearing based on reed

A flexible bearing and reed technology, applied in the field of bearings, can solve the problems of staying, uncompact structure, and small rotation angle range.
CN102996633AInactive Publication Date: 2013-03-27BEIHANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BEIHANG UNIV
Publication Date
2013-03-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a spiral cross flexible bearing based on a reed. The bearing comprises an upper end cover, a lower end cover, an upper reed, a middle reed, a lower reed and taper dowels, wherein the upper end cover and the lower end cover are assembled so as to form a spiral gap, and the upper reed, the middle reed and the lower reed are installed on a cavity formed in the upper end cover and the lower end cover. The bearing provided by the invention utilizes the three reeds with same structure to sequentially spirally cross and combine in space so as to match with the upper and lower bearing end covers, the flexible bearing which has the advantages of large stroke, large radial direction and very compact axial rigidity structure is formed, and meanwhile, the flexible bearing has higher movement resolution and precision. The bearing provided by the invention based on the upper and lower bearing end covers is matched to install reeds with different structural styles so as to deploy the flexible bearing with different properties, and the bearing meets different application fields.
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Description

technical field

[0001] The present invention relates to a bearing, and more particularly, to a reed-based helically crossed flexible bearing. Background technique

[0002] Bearings are components used to determine the relative movement position of the rotating shaft and other parts, and play a supporting or guiding role. The flexible bearing is a special bearing different from the rigid bearing. Its working principle is to use the flexible unit to deform under the action of external force to generate relative rotation. Flexible bearings have many obvious advantages that rigid bearings do not have: no friction; no gap; self-centering; no lubrication; no maintenance; long life; simple installation; vacuum application, etc. It is precisely because of these advantages that flexible bearings are favored by researchers engaged in precision positioning, micro-motion platforms and other precision fields. It is used in adjustment mechanism, alignment mechanism of microwave antenna ...

Claims

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