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Electric wheel self-discharging vehicle rim speed reducer design method based on movable tooth transmission

A technology of movable tooth transmission and design method, which is applied in the direction of gear transmission, transmission, belt/chain/gear, etc., and can solve problems such as high failure rate, large wear of wheel-side reducer, and harsh operating environment of electric wheel dump trucks. , to achieve the effect of low failure rate, small torque fluctuation and strong impact resistance

Inactive Publication Date: 2017-05-24
HEILONGJIANG HENGNENG SELF CONTROL TECH CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

The use environment of electric wheel dump trucks is harsh, and its wheel reducer wears a lot and has a high failure rate. How to better design, manufacture and maintain wheel reducer has become a key problem that needs to be solved urgently in the research and development of electric wheel dump trucks

Method used

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Embodiment Construction

[0020] A design method for a motor wheel dump wheel side reducer based on movable tooth transmission, comprising the following steps:

[0021] The first step is to determine the parameters of transmission ratio, number of teeth, fixed tooth pitch circle diameter and eccentricity;

[0022] The second step is to calculate the geometric dimensions of the movable tooth drive;

[0023] The third step is to determine the structure and geometric dimensions;

[0024] The fourth step is to design and determine the tooth profile of the inner ring gear of the movable tooth transmission reducer by adopting the positive envelope method for the tooth profile of the fixed gear of the movable tooth transmission;

[0025] The fifth step is to calculate and determine the force of the gear transmission meshing parts;

[0026] The sixth step is to calculate and determine the contact strength between the movable tooth roller and the fixed tooth profile;

[0027] The seventh step is to calculate...

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Abstract

The invention discloses an electric wheel self-discharging vehicle rim speed reducer design method based on movable tooth transmission. The method comprises the following steps: (1) a transmission ratio, a tooth number, a permanent tooth reference diameter and offset parameters are determined; (2) a movable tooth transmission geometric size is calculated; (3) a structure and a geometric size are determined; (4) a movable tooth transmission permanent tooth profile adopts a positive enveloping method to design and determine a movable tooth transmission speed reducer inner tooth ring tooth profile; (5) the stress of a tooth transmission engagement piece is calculated; (6) the contact strength of a movable tooth roller and a permanent tooth profile is calculated and determined; and (7) the contact strength of the movable tooth gear and a shock wave disc is calculated and determined. The speed reducer movable tooth transmission designed by the electric wheel self-discharging vehicle rim speed reducer design method based on movable tooth transmission has such characteristics as high bearing capacity, high single-grade speed ratio, high impact resistance, high transmission efficiency and low torque fluctuation; and a rim speed reducer is lower in wear and low in failure rate.

Description

technical field [0001] The invention relates to a design method of an electric wheel self-unloading wheel side reducer based on movable tooth transmission, and belongs to the technical field of reducers. Background technique [0002] At present, in the large-scale open-pit mine transportation equipment with an annual mining capacity of more than 10 million tons, mining electric wheel dump trucks have occupied nearly 2 / 3 of the market, and undertake the mining of 40% of coal and 90% of iron ore in the world. transportation. Electric wheel dump trucks are used in harsh environments, and their wheel reducers wear heavily and have a high failure rate. How to better design, manufacture and maintain wheel reducers has become a key problem that needs to be solved urgently in the research and development of electric wheel dump trucks. The present invention redesigns the application of the movable tooth transmission technology to the electric wheel self-unloading wheel side reducer,...

Claims

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Application Information

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IPC IPC(8): F16H1/02G06F17/50
CPCF16H1/02G06F30/00
Inventor 王宏
Owner HEILONGJIANG HENGNENG SELF CONTROL TECH CO LTD
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