Electric bicycle double-circular-arc-tooth-shaped harmonic flexible gear
An electric bicycle, double arc technology, applied in the direction of belt/chain/gear, components with teeth, portable lifting device, etc., can solve the problems of low transmission efficiency, low bearing capacity, high noise, etc., to improve transmission efficiency , reduce noise, provide the effect of transmission carrying capacity
Inactive Publication Date: 2013-04-24
王乐琳
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Problems solved by technology
[0002] At present, the tooth shape of the flexible wheel of the electric bicycle harmonic reducer adopts the involute form, which has low transmission efficiency, low carrying capacity and high noise.
Method used
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[0010] The tooth shape parameters of electric bicycle double-arc tooth shape harmonic flexwheel are: number of teeth 100, modulus 0.65, pressure angle 34°, addendum diameter Φ62.60mm, tooth root diameter Φ61.10mm, addendum arc radius R5 (±0.01)mm, root arc radius R0.4mm, common normal length 30.421mm, interval teeth number 17, addendum arc relative gear center coordinates: X=4.05(±0.01)Y=28.6(±0.01).
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Abstract
The invention provides an electric bicycle double-circular-arc-tooth-shaped harmonic flexible gear. A tooth shape of the harmonic flexible gear is changed into a double-circular-arc-tooth shape. The electric bicycle double-circular-arc-tooth-shaped harmonic flexible gear has the advantages of improving transmission efficiency, supplying transmission bearing capacity, and lowering noise.
Description
Technical field [0001] The invention relates to a double-arc tooth-shaped harmonic flexible spline for an electric bicycle. Background technique [0002] At present, the tooth shape of the flexible gear of the electric bicycle harmonic reducer adopts the involute form, which has low transmission efficiency, low carrying capacity and high noise. Contents of the invention [0003] The object of the present invention is to provide a double-arc tooth-shaped harmonic flexspline for an electric bicycle to improve transmission performance. [0004] The scheme adopted in the present invention is: change the tooth shape of the mechanical harmonic flexible spline into a double-arc tooth shape. [0005] The beneficial effects of the invention are: the transmission efficiency is improved, the transmission bearing capacity is provided, and the noise is reduced. Description of drawings [0006] The present invention will be further described below in conjunction with the accompanyin...
Claims
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Inventor 朱永达
Owner 王乐琳
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