Helical tooth planet gear speed reduction mechanism

A technology of reduction mechanism and planetary gear, which is applied in the direction of gear transmission, belt/chain/gear, mechanical equipment, etc., and can solve the wear of planetary gear anti-friction pads, sun gear anti-friction pads, and planetary gear reduction mechanism toothing , High heating failure rate, change of gear meshing clearance and other problems, to achieve the effect of reducing heating failure rate, increasing torque and increasing gear overlap

Inactive Publication Date: 2016-04-06
FANGSHENG AXLE LIUZHOU
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AI Technical Summary

Problems solved by technology

[0002] At present, the wheel-side reduction mechanism used in low-floor buses is borrowed from STR or Mercedes-Benz rear axle wheel-side planetary gear reduction mechanism, and whether it is the planetary gear reduction mechanism used by STR rear-axle wheel-side or Mercedes-Benz rear-axle wheel-side, it uses Straight tooth structure, high noise, and planetary gear anti-friction pads and sun gear anti-friction pads will wear out after a long time of use, resulting in changes in the gear meshing gap, so the planetary gear reduction mechanism has a high failure rate such as toothing and heat generation

Method used

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  • Helical tooth planet gear speed reduction mechanism

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Embodiment 1

[0023] A helical planetary gear reduction mechanism (see figure 1 shown), including the wheel reducer housing 1, the ring gear 2 installed in the wheel reducer housing 1, the planetary gear bracket 3, the planetary gear 7, the planetary gear shaft 10, the sun gear 4, the planetary gear 7 1. The sun gear 4 is a helical gear; the sun gear 4 is installed on the half shaft 13, the sun gear 4 meshes with the planetary gear 7, the planetary gear 7 is set on the planetary gear shaft 10, and one end of the planetary gear shaft 10 is pressed into the wheel to reduce the speed. In the planetary gear shaft hole of the device housing 1, in the planetary gear shaft hole of the planetary gear bracket 3 at the other end of the planetary gear shaft 10; the planetary gear 7 is also meshed with the ring gear 2, and the ring gear 2 and the ring gear bracket 11 pass through a circlip Connection, the ring gear bracket 11 is connected to the shaft tube 12, and is locked and fixed by the locking nut...

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Abstract

The invention relates to a speed reduction mechanism, in particular to a helical tooth planet gear speed reduction mechanism. The helical tooth planet gear speed reduction mechanism comprises a hub reduction gear shell, a tooth ring, a planet gear support, planet gears, planet gear axles and a sun gear. The planet gears and the sun gear are all helical gears. The sun gear is installed on a half axle. The sun gear is engage with the planet gears. The planet gears are arranged on the planet gear axles in a sleeving manner. The planet gear axles are installed between the hub reduction gear shell and the planet gear support. The planet gears are also engaged with the tooth ring, the tooth ring is connected with a tooth ring support, and the tooth ring support is connected and fastened to an axle pipe. Thrust bearings are attached to the two ends of the sun gear and the two ends of the planet gears respectively, and the thrust bearings are installed on the hub reduction gear shell and the planet gear support respectively. Belleville springs are arranged on the other sides of the thrust bearings. The helical tooth planet gear speed reduction mechanism has the characteristics of being low in noise and large in torque, and the needs for comfort and durability of low floor passenger cars can be met; and meanwhile the problem that the rate of faults such as gear colliding and heating is high can be solved, and the helical tooth planet gear speed reduction mechanism is simple in structure, small in occupied space and easy to use and popularize.

Description

technical field [0001] The invention relates to a reduction mechanism, in particular to a helical planetary gear reduction mechanism. Background technique [0002] At present, the wheel-side reduction mechanism used in low-floor buses is borrowed from STR or Mercedes-Benz rear axle wheel-side planetary gear reduction mechanism, and whether it is the planetary gear reduction mechanism used by STR rear-axle wheel-side or Mercedes-Benz rear-axle wheel-side, it uses Straight tooth structure, high noise, and planetary gear anti-friction pads and sun gear anti-friction pads will wear out after a long time of use, resulting in changes in the gear meshing gap, so the planetary gear reduction mechanism has a high failure rate such as toothing and heat generation . Contents of the invention [0003] The technical problem to be solved by the present invention is: to provide a helical planetary gear reduction mechanism that can meet the requirements of low-floor passenger cars, so th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/32F16H57/023F16H57/028F16H57/08F16H57/12
CPCF16H1/32F16H57/023F16H57/028F16H57/08F16H57/12F16H2057/085F16H2057/127
Inventor 汤宗兵周大坤黄焕超陆匡伟苏翠娟黄万全张武冠
Owner FANGSHENG AXLE LIUZHOU
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