Matched tooth designing method of torque-branching transmission gear train

A design method and technology of split torsion transmission, which can be applied to transmission devices, gear transmission devices, belts/chains/gears, etc., and can solve problems such as poor operability

Active Publication Date: 2013-08-14
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
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Problems solved by technology

[0004] In order to overcome the shortcomings of poor operability of the existing design methods, the

Method used

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  • Matched tooth designing method of torque-branching transmission gear train
  • Matched tooth designing method of torque-branching transmission gear train
  • Matched tooth designing method of torque-branching transmission gear train

Examples

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Embodiment Construction

[0071] refer to figure 1 -7. Design a gear reduction box with two-stage split torsion transmission, and its gear train configuration is as follows: input stage pinion gear 1 meshes with input stage right branch large gear 2 and input stage left branch large gear 2′, and output stage right branch gear 2′ meshes simultaneously. The branch pinion 3 and the left branch pinion 3' of the output stage mesh with the large gear of the output stage simultaneously. The large gear 2 of the right branch of the input stage and the small gear 3 of the right branch of the output stage form a double gear, the large gear 2' of the left branch of the input stage and the small gear 3' of the left branch of the output stage form a double gear, and the two double gears interchangeable. It is known that the input power is 100kW, the input speed is 3000r / min, the output speed is 200r / min, the gear material is 20CrMnTi, carburized and quenched, and the precision is 6.

[0072] Step 1: Establish a u...

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Abstract

The invention discloses a matched tooth designing method of a torque-branching transmission gear train and aims at solving the technical problem of poor operability of existing designing methods. The technical scheme is that unified matched tooth conditions are firstly established, all of tooth number combinations and an installing angle list are provided according to a matched tooth formula, the tooth number combinations and installing angles are confirmed according to transmission ratio of various gears, mode numbers of various gears are confirmed according to intensity check and geometric constraint, finally the correctness of design results are checked according to the matched tooth formula, checking whether gear teeth and gear bodies are interfered or not is performed through accurate plotting, and the operability is strong.

Description

technical field [0001] The invention relates to a tooth matching design method of a gear train, in particular to a gear matching design method of a torque split transmission gear train. Background technique [0002] In order to reduce the total mass of the transmission system and improve the bearing capacity and reliability, the reduction box based on the torque branch technology is used in many occasions. The gear system based on torque branching technology mainly includes two categories: (1) planetary gear transmission system, (2) multi-branch gear split torque transmission system. The torque branch gear system is a system with virtual constraints, so the assembly of the gears needs to meet the correct meshing position relationship, otherwise there will be a situation where multiple branches cannot be assembled correctly at the same time due to the interference of the gear teeth. That is to say, the number of teeth and other geometric parameters of all gears in the system...

Claims

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Application Information

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IPC IPC(8): G06F17/50F16H1/20
Inventor 付晨曦赵宁赵永志
Owner NORTHWESTERN POLYTECHNICAL UNIV
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