Hub and wheel rim reduction gear assembly

A technology of wheel speed reducer and speed reducer, which is applied in the direction of gear transmission, belt/chain/gear, transmission parts, etc. It can solve the problems that the wheel speed ratio cannot be further reduced, maintenance is inconvenient, and the structure is complicated, etc., to achieve The effect of light weight, convenient maintenance and expanding the range of speed ratio

Inactive Publication Date: 2016-06-15
SINO TRUK JINAN POWER
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  • Abstract
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AI Technical Summary

Problems solved by technology

The wheel reducer structure generally adopts planetary cylindrical gear reducer, which is composed of sun gear, planetary gear, ring gear, planet carrier, planetary gear shaft, etc. Due to structural limitations, the wheel reducer has the following deficiencies: 1) Wheel reducer The speed ratio of the gear is generally above 2.7, and the wheel speed ratio cannot be further reduced; 2) There are problems such as complex structure, heavy weight, and inconvenient maintenance

Method used

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  • Hub and wheel rim reduction gear assembly
  • Hub and wheel rim reduction gear assembly
  • Hub and wheel rim reduction gear assembly

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Embodiment

[0038] The inner bevel gear 20 has 17 teeth, the outer bevel gear 15 has 13 teeth, and the conical planetary gear 11 has 9 teeth. 1 is 77.14°, and the shaft angle ∑ of the inner bevel gear 20 and the conical planetary gear 11 2 is 102.86°, thus guaranteeing that ∑ 1 +∑ 2 =180°, the speed ratio of the wheel reducer can be realized as: i=Z 2 / Z 3 +1=17 / 13+1=2.31.

[0039] The present invention adopts a planetary bevel gear reducer. Compared with the prior art, the present invention can realize a wheel speed ratio between 2-2.7, thereby expanding the speed ratio range of the wheel reducer, and the structure is simplified and the weight is light. , When repairing the reducer, it is not necessary to remove the brake drum and other parts, which is convenient for maintenance.

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Abstract

The invention provides a wheel hub and wheel reducer assembly, including hub inner bearing, wheel hub, wheel hub outer bearing, reducer shell assembly, cross shaft, half shaft, outer bevel gear, conical planetary wheel and inner bevel gear. The present invention adopts a planetary bevel gear reducer. Compared with the prior art, the present invention can realize a wheel speed ratio between 2-2.7, thereby expanding the speed ratio range of the wheel reducer, and the structure is simplified and the weight is light. , When repairing the reducer, it is not necessary to remove the brake drum and other parts, which is convenient for maintenance.

Description

technical field [0001] The invention relates to a wheel hub and a wheel-side reducer assembly of a double-stage deceleration drive axle assembly, belonging to the technical field of auto parts. Background technique [0002] At present, on domestic heavy trucks, when a larger ground clearance is required, two-stage reduction is generally used, that is, the first stage is a pair of curved bevel gears, which are installed in the main reduction housing in the middle of the drive axle, and the second stage is installed in Next to the drive wheels on both sides, it is called a wheel speed reducer. The wheel reducer structure generally adopts planetary cylindrical gear reducer, which is composed of sun gear, planetary gear, ring gear, planet carrier, planetary gear shaft, etc. Due to structural limitations, the wheel reducer has the following deficiencies: 1) Wheel reducer The speed ratio of gear is generally all more than 2.7, and wheel speed ratio can't be further reduced; 2) th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/28F16H57/023
CPCF16H1/2854F16H57/023
Inventor 秦厚明邓辉崔慧萍李慧葛洪升
Owner SINO TRUK JINAN POWER
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