Transmission system design system and method

A transmission system and design system technology, applied in transmission parts, mechanical equipment, belts/chains/gears, etc., can solve the problems of lack of innovative design and model evaluation, not supporting conceptual design, etc., to improve the overall scheme design ability, The effect of shortening the development cycle and saving money

Active Publication Date: 2019-09-20
NORTHWESTERN POLYTECHNICAL UNIV
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Problems solved by technology

[0004] After decades of development, computer-aided design software has been widely used in the market, but the current design software still has serious shortcomings in the design of helicopter transmission systems, mainly in the following: designers can only rely on imitation or Model design based on the functions of design software lacks innovative design and model evaluation; it is only oriented to product modeling and detailed design stages, and does not support conceptual design

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  • Transmission system design system and method

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] Such as figure 1 As shown, the present invention provides a transmission system design system, the system includes a transmission chain design module, a basic parameter design module, a structural design module and a performance evaluation module, and the transmission chain design module includes a transmission chain modeling module, a power transmission path analysis module and a transmission ratio allocation module, the basic parameter design module i...

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Abstract

The invention discloses transmission system design system and method, relating to the technical field of mechanical design. Facing the conceptual design stage of a helicopter transmission system, according to the overall design requirements of a helicopter, transmission stage and form of the transmission system are determined, and a topology model of the helicopter transmission system is established. On this basis, the transmission ratio of the transmission system is allocated, and basic parameters and structural parameters of transmission system components are designed according to the allocation results. Then the rotary inertia and torsional rigidity of gears and shafts, meshing stiffness of gear pairs, the gear strength, the bending and torsion strength of the shafts and system dynamics are calculated to evaluate whether the established transmission system model meets performance requirements. According to the transmission system design system and method disclosed by the invention, the rapid design and evaluation of the multi-input and multi-output helicopter transmission system can be realized, the research and development efficiency of enterprises is improved, the development cycle is shortened, and the design capability of the helicopter transmission system is improved.

Description

technical field [0001] The invention relates to the technical field of mechanical design, in particular to a transmission system design system and method. Background technique [0002] As one of the unique creations of aviation technology in the 20th century, helicopters have flight characteristics that fixed-wing aircraft and other aircraft do not have, and are widely used in military transportation, patrol, tourism, rescue and other fields. The transmission system is one of the three key moving parts of the helicopter, and its performance will directly affect the performance and reliability of the helicopter. [0003] Foreign helicopter companies attach great importance to the technical development and innovative research of the transmission system. The United States and other western countries have proposed that "helicopter performance depends to a large extent on the performance of the transmission system." Practice has shown that the development cycle of the transmissi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/00
CPCF16H57/00F16H2057/0087
Inventor 韩冰刘更杨小辉王海伟吴立言
Owner NORTHWESTERN POLYTECHNICAL UNIV
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