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A Design Method of Timing Toothed Chain System

A design method and technology of toothed chains, applied to components with teeth, transmission chains, mechanical equipment, etc., can solve problems such as weakness, lack of technical means and methods, and no timing toothed chain system

Active Publication Date: 2021-05-11
CHINA FIRST AUTOMOBILE
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  • Abstract
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  • Application Information

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Problems solved by technology

Therefore, there is no effective design guidance method for the design of the timing chain drive system. The system design of the engine timing chain drive is very dependent on design experience, and the domestic foundation in this field is relatively weak and lacks corresponding technologies. Means and methods, at this stage, there is no program method that can guide enterprises to design and develop timing tooth chain systems

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  • A Design Method of Timing Toothed Chain System
  • A Design Method of Timing Toothed Chain System
  • A Design Method of Timing Toothed Chain System

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Embodiment Construction

[0047] A design method of a timing toothed chain system is characterized in that the design method comprises the following steps:

[0048] refer to figure 1 , step 1, designing the key parameters of the chain piece;

[0049] The key parameters of the chain plate include the pitch of the chain plate, that is, the distance p between the two pin shaft holes, the apocentric distance f, and the tooth profile angle 2a;

[0050] The specific method is as follows: first determine the pitch of the chain plate to be designed, and then determine the apocenter f and tooth profile angle 2a according to the chain plate pitch. It can be designed according to 30°. When the system has special requirements, 35° or other angles can be selected. According to the design space and the reliability calculation of the chain, the detailed design adjustment is carried out.

[0051] refer to figure 2 , step 2, designing the key parameters of the sprocket;

[0052] The design of the sprocket is mai...

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Abstract

The invention belongs to the technical field of automobiles, in particular to a design method of a timing toothed chain. The design method includes designing the key parameters of the chain plate and the chain wheel guide rail; generating the corresponding chain plate and sprocket tooth profile, and the assembly of the guide rail wheel for the parameters to visually check whether the design result is reasonable, that is, whether there is interference, insufficient length, chain plate Whether there is interference with the sprocket drive mesh, and the design result can be determined quickly and efficiently by continuously adjusting the corresponding design parameters. The present invention can design the timing tooth chain transmission system of various layout types, can greatly reduce the dependence on design experience in the development and design of the timing tooth chain transmission system, and enable ordinary engineers and technicians to The timing tooth chain system is developed and designed, and the design efficiency and product quality are improved.

Description

technical field [0001] The invention belongs to the technical field of automobiles, in particular to a design method of a timing toothed chain. Background technique [0002] Chain transmission has the advantages of the same service life as the engine and high transmission efficiency, so it is widely used, and the toothed chain is more popular because of its low noise. However, the layout of the timing tooth chain system is different and has an important impact on the power performance of the engine. It is difficult to develop and design it. Only a few experienced technicians can design and develop it based on experience. Therefore, mastering the timing tooth shape The design and development method of the chain system has become one of the core technologies that the main engine manufacturers are very concerned about. [0003] Since the timing toothed chain transmission system works under harsh working conditions such as high speed and variable load, and has strict requiremen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/17
CPCF16G13/04F16H55/30
Inventor 汤乐超卢炳武何洪源刘英杰
Owner CHINA FIRST AUTOMOBILE