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Planetary reducer long in service life and free of maintenance under low-gas-pressure working condition

A planetary reducer, long-life technology, used in portable lifting devices, hoisting devices, transmission parts, etc., can solve the problems of the high difficulty of the reducer, the inability to design an oil bath lubricating oil immersion device, etc., to solve the problem of inconvenient maintenance. The effect of maintenance and disassembly

Pending Publication Date: 2020-12-29
GUIZHOU AEROSPACE LINQUAN MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reducer of the urine treatment circuit device of the environmental control and life protection sub-system is limited by the space structure, and the oil immersion device required for oil bath lubrication cannot be designed. It can only be lubricated with grease, which brings more difficulty to the design of the reducer

Method used

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  • Planetary reducer long in service life and free of maintenance under low-gas-pressure working condition
  • Planetary reducer long in service life and free of maintenance under low-gas-pressure working condition
  • Planetary reducer long in service life and free of maintenance under low-gas-pressure working condition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Using the above scheme, the overall structure is a two-stage series NGW type planetary reducer. The internal gear is fixed with the housing through a limit pin. The motor shaft is fixedly connected with the high-speed sun gear, and drives the high-speed planetary assembly to drive the low-speed planetary assembly to achieve rotational output.

[0031] The limit pin stops the rotation of the internal gear. The bearing supports the planetary assembly, and the rubber pad is pre-tightened to prevent the axial movement of the planetary assembly, which is beneficial to the smooth meshing of the gears and reduces the impact.

[0032] The planetary assembly is positioned on the housing through the bearing support to ensure the stable operation of the planetary assembly 1 when rotating; the planetary assembly 2 is positioned on the planetary assembly 1 and the housing through the bearing support to ensure the stable operation of the planetary assembly 2 when rotating.

[0033]...

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Abstract

The invention provides a planetary reducer long in service life and free of maintenance under the low-gas-pressure working condition. The planetary reducer comprises planetary assemblies. The planetary assemblies are installed on a support, a planet wheel on each planetary assembly is installed on bearings in a sleeving manner and fixed to the bearings, and flanges are arranged at the positions, located on two side faces of each planet wheel, on the corresponding bearings to limit the planet wheel. Maintenance-free long-service-life work in a low-gas-pressure closed space environment can be achieved, and the problem that it is not convenient to maintain, disassemble or assemble the planetary reducer in a special environment is effectively solved.

Description

technical field [0001] The invention relates to a long-life and maintenance-free planetary reducer under low air pressure working conditions. Background technique [0002] The environmental control and life protection sub-system of a large-scale system involves the circulation and filtration of urine in the urine treatment circuit device. The gear reducer driving device is used as the driving power of the circulation loop. The environment is a closed and narrow space, and the maintenance of the gear reducer is inconvenient. Moreover, it is difficult to replace the gear reducer after installation, so the gear reducer is required to have the characteristics of long life and maintenance-free. [0003] Conventional gear reducers can be designed with a lifespan of 15,000 hours, but the reducer needs regular maintenance and is lubricated in an oil bath. According to the general specifications of the reducer, maintenance is generally required for more than 3,000 hours of operation...

Claims

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Application Information

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IPC IPC(8): F16H57/04F16H57/08F16H55/06
CPCF16H55/06F16H57/0427F16H57/0464F16H57/0479F16H57/0482F16H57/082
Inventor 唐超周珍明蔡大静杨涛
Owner GUIZHOU AEROSPACE LINQUAN MOTOR CO LTD
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