Volume 39, Number 2, April 2021
|Page(s)||341 - 349|
|Published online||09 June 2021|
Research on matching conditions of coaxial six-branch split-torsion herringbone gear transmission system
School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, China
Compared with traditional gear transmission, the multi-branch split-torsion gear transmission system has the advantages of large transmission power, small size and high reliability, so it is more and more used in high-speed heavy load occasions such as ships and aircraft. Since the transmission system of multi-branch split torsional gears belongs to over-constrained configuration, it is necessary to meet strict tooth matching condition in the design process in order to realize the correct synchronous meshing of each branch, which is of great significance to ensure its uniform installation and motion synchronization.Aiming at the coaxial six-branch twisted herringbone gear transmission system, this paper establishes a calculation method for the proper meshing conditions of each branch on the basis of considering the movement synchronization of each branch and preventing geometric interference.In addition, the calculation of gear allocation was carried out for a ship's power transmission system, and a parameter scheme that satisfies the requirements of transmission ratio, concentricity and synchronous meshing was obtained.The correctness of the calculation method of tooth matching in this paper is verified by three-dimensional modeling. This method has universal application value to the tooth matching design of other coaxial multi-branch gear transmissions.
Key words: coaxial six-branch / split-torsion / Herringbone gear transmission / matching condition
关键字 : 同轴六分支 / 分扭 / 人字齿轮传动 / 配齿条件
© 2021 Journal of Northwestern Polytechnical University. All rights reserved.
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