A kind of harmonic gear transmission device with automatic positioning function of flexible spline
A harmonic gear, automatic positioning technology, applied in the direction of gear transmission, transmission, hoisting device, etc., can solve the problems of increased wear on the bottom of the ring groove, wear on the bottom of the ring groove on the ring flex wheel, and breakage of the flex wheel, etc. The effect of improving efficiency
Active Publication Date: 2021-04-20
BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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Problems solved by technology
The disadvantage of this method is that during operation, the steel wire retaining ring will aggravate the wear on the bottom of the upper ring groove of the annular flexspline. Under the action of external load, there is a hidden danger of transverse fracture of the annular flexspline due to excessive wear at the bottom of the ring groove. , when the wire retaining ring fits with the bottom of the ring groove without clearance, the deformation force of the flexspline increases, and the wear of the bottom of the ring groove increases
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[0025] A harmonic gear transmission with automatic positioning function of flexsplines, including meshing rigid splines 4a, output rigid splines 4b, wave generator 4c, and ring-shaped flexible splines 5g, wherein the first flexspline with teeth 8 of the first flexspline is left The first curve section 8d of the tooth profile, the second curve section 8f of the left tooth profile of the first flexspline, the third curve section 8e of the left tooth profile of the first flexspline, the first curve section 8a of the right tooth profile of the first flexspline, and the first curve section 8a of the first flexspline The second curved section 8c of the right tooth profile of the wheel and the third curved section 8b of the right tooth profile of the first flexspline are symmetrical about the centerline 8s of the first flexspline tooth, and the tooth thickness of the first flexspline tooth 8 is from the middle of the tooth width to both sides slowing shrieking. The tooth surfaces of ...
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The invention proposes a harmonic gear transmission with automatic positioning function of the flexspline, which realizes the axial automatic positioning of the annular flexspline by relying on the profile characteristics of the meshing gear teeth, and avoids damage to both sides of the annular flexspline and adjacent shells or other structural surfaces. Generate wear and improve the efficiency, stability and reliability of the transmission. Utilizing the method proposed by the present invention, by moving the flexible spline or rigid spline axially, it can also be used to eliminate the backlash between the rigid spline and the flexible spline in harmonic gear transmission, and realize backlash-free harmonic gear transmission. The shaft proposed by the present invention The direction adjustment method does not need to disassemble and reassemble the reducer, which can shorten the adjustment time and avoid the introduction of assembly errors.
Description
technical field [0001] The invention relates to the field of harmonic gear transmission, in particular to a harmonic gear transmission with a flexible spline with automatic positioning function. Background technique [0002] Harmonic gear transmission consists of a rigid wheel, a flexible wheel and a wave generator, such as figure 1 As shown, the flexible spline has cup-shaped, ring-shaped, hat-shaped and other structural forms, and the cam and flexible bearing form a wave generator. Ring flexspline harmonic gear transmission is mainly composed of four components: meshing rigid spline, output rigid spline, annular flexspline, and wave generator. Compared with ordinary gear transmission, harmonic gear transmission has the advantages of compact size, large number of meshing teeth, large transmission ratio range, large load capacity, high transmission precision, and the ability to transmit motion and power to confined spaces, etc., and is widely used in aerospace , weapons, r...
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Login to View More IPC IPC(8): F16H1/32F16H55/17F16H55/08
CPCF16H1/32F16H55/0833F16H55/17F16H2001/327
Inventor 辛洪兵姜冉曹志强刘博张泽斌王振邱格
Owner BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY