BS speed reducer

A technology of reducer and machine body, which is applied in the direction of mechanical equipment, transmission parts, friction transmission devices, etc., can solve the problems of affecting the output accuracy, easy wear of parts, and unstable transmission, etc., and achieves compact structure, large transmission power, and transmission smooth and reliable results
CN102767600AInactive Publication Date: 2012-11-07GUANGXI YULIN ZHENGFANG MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGXI YULIN ZHENGFANG MACHINERY
Publication Date
2012-11-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a BS speed reducer, comprising an input shaft, an input shaft cover, a gap adjusting screw, a machine body, a fixing plate, a driving plate, a rolling bead, an output shaft and an output shaft cover. The BS speed reducer is characterized in that the machine body is internally provided with the input shaft, the fixing plate, the driving plate and the output shaft; S-shaped cycloid grooves are arranged on the two side faces of the fixing plate, and the driving plate is matched with S-shaped cycloid grooves which are arranged at one side of each of the input shaft cover and the output shaft; the input shaft cover is connected with the fixing plate; rolling beads are placed into the S-shaped cycloid grooves between the input shaft cover and the fixing plate, between the fixing plate and the driving plate, as well as between the driving plate and the output shaft cover; and the gap adjusting screw is arranged on the input shaft cover. The speed reducer has the advantages of compact structure, small volume, light weight, zero gap, low noises, large transmission power and stable and reliable transmission; and the transmission efficiency can reach to 88-93%. The speed reducer adopts two groups of S-shaped cycloid differential motions to realize the speed reduction and can completely change the speed reducing principle of the traditional speed change which utilizes a gear or a worm wheel tooth number to change the speed.
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Description

Technical field:

[0001] The invention belongs to a series of mechanical transmission reducers, and is a BS reducer without gear transmission, and S-shaped cycloidal grooves are used to install balls as transmission intermediary parts between the transmission parts. Background technique:

[0002] Most of the existing mechanical transmission reducers adopt gear or worm gear transmission, which realizes the speed change by changing the number of gear teeth. During the design and installation process of the gear or worm gear reducer, there are certain factors due to the processing accuracy of the transmission parts. The process gap affects the output accuracy, and the movement process between the teeth is in the form of a high pair of movements, resulting in easy wear of the parts, unstable transmission, loud noise, and poor output accuracy. Invention content:

[0003] The purpose of the present invention is to provide a compact structure, light weight, small volume, large tra...

Claims

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