A swingback roller oscillating tooth speed reducer

By using a holeless movable gear frame and a composite roller movable gear design, the problem of pin wear in the rocker arm movable gear reducer is solved, achieving high precision and stable transmission performance and extending service life.

CN116592120BActive Publication Date: 2026-01-27YANSHAN UNIV
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Patent Information

Application Number
CN202310563997.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-18
Publication Date
2026-01-27
Estimated Expiration
2043-05-18

AI Technical Summary

Technical Problem

The existing rocker arm gear reducer has a difficult manufacturing process for the pins, which suffer from severe wear, resulting in decreased transmission accuracy and increased noise, thus affecting transmission performance.

Method used

It adopts an integrated configuration of a holeless live gear frame and a central wheel, combined with a composite roller live gear design. The shock wave input shaft, the central wheel tooth profile, and the inner end face of the end cover form a limiting space to ensure that the composite roller live gear swings stably in the meshing area and avoids disengagement.

Benefits of technology

It improves transmission accuracy and stability, simplifies the processing procedure, and extends the service life of the device.

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Abstract

The present application relates to a kind of swing compound roller oscillating tooth reducer, including center wheel, shock wave input shaft, holeless oscillating tooth frame, end cover and compound roller oscillating tooth;Compound roller oscillating tooth meshing shock wave input shaft is constituted compound roller oscillating tooth meshing pair in the center wheel;Tooth slot is arranged in the contact position of the lower end surface of compound roller oscillating tooth with holeless oscillating tooth frame inner end, small circular segment is arranged in the left side of tooth slot, and trapezoidal boss is arranged on the outer circumference of tooth slot and is connected with small circular segment, large circular groove segment is arranged in the right side of tooth slot, and large circular segment extends to the outer circumferential edge of holeless oscillating tooth frame, compound roller oscillating tooth swings in the limiting space formed by center wheel tooth disc, shock wave input shaft tooth disc and holeless oscillating tooth frame support structure, end cover first inner end face, and will not be out of meshing area.For the problem that roller oscillating tooth structure wears greatly, swing oscillating tooth structure is low in strength, the carrying capacity of swing compound roller oscillating tooth structure is higher, while structural strength is improved, wear is reduced, and transmission performance is effectively improved.
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