Planetary gear reducer for road roller
A technology of gear reducer and road roller, which is applied in the direction of gear transmission, belt/chain/gear, mechanical equipment, etc. It can solve the problems of severe impact and wear of reducer, affecting the transmission accuracy of planetary gear, dynamic response, etc., and achieve the elimination of tooth side gap effect
Inactive Publication Date: 2021-03-23
江西省分宜驱动桥有限公司
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Problems solved by technology
[0003] However, due to the inherent characteristics of the gears used in the traditional planetary gear reducer, there is a gap between the sun gear of the reducer and the tooth side of the planetary gear. This gap will affect the precision, dynamic response and transmission of the planetary gear. The movement direction of the mechanism will bring impact, and as a large-scale construction equipment, the road roller has a strong power output, and the impact and wear on the reducer will be more severe during the operation process.
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure shall have the usual meanings understood by those skilled in the art to which the present disclosure belongs. The words "comprising" or "comprising" and similar words used in the present disclosure mean that the elements or things appearing before the word include the elements or things listed after the word and their equivalents, without excluding other elem...
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The invention provides a planetary gear reducer for a road roller. The planetary gear reducer comprises a shell, the shell is composed of a bottom shell and an end cover, an input shaft is installed in the end cover through a first bearing, and a sun wheel is connected to the middle section of the input shaft through a key groove structure. An output shaft is installed in the bottom shell througha third bearing, a first planet carrier is connected to the tail end of the output shaft, the tail end of the first planet carrier is connected with the bottom shell through a fourth bearing, a secondplanet carrier is movably connected to the inner side of the first planet carrier, a set of planet wheels are correspondingly installed on the first planet carrier and the second planet carrier through planet wheel shafts, and the two sides of each planet wheel correspondingly mesh with an outer gear ring fixed to the inner wall of the bottom shell and the sun wheel on the input shaft. Accordingto the planetary gear reducer for the road roller, the angle between the two sets of planet wheels can be automatically adjusted in the assembling process, so that the planet wheels on the two planetcarriers are tightly attached to the sun wheel and the tooth faces on the two sides of the outer gear ring correspondingly, gear backlash generated during forward and reverse transmission is eliminated, and good development prospects are achieved.
Description
technical field [0001] The invention relates to the field of reducers, in particular to a planetary gear reducer for road rollers. Background technique [0002] The planetary gear reducer is a versatile industrial product that can reduce the speed of the motor while increasing the output torque. The planetary gear reducer has the characteristics of light weight, small size, large transmission ratio range, high efficiency, stable operation, low noise and strong adaptability, so the planetary gear reducer is widely used in metallurgy, mining, lifting transportation, electric power, energy, Building materials, light industry, transportation and other industrial fields. [0003] However, due to the inherent characteristics of the gears used in the traditional planetary gear reducer, there is a gap between the sun gear of the reducer and the tooth side of the planetary gear. This gap will affect the precision, dynamic response and transmission of the planetary gear. The movemen...
Claims
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IPC IPC(8): F16H1/32F16H1/28F16H57/08F16H57/021F16H57/023
CPCF16H1/2863F16H1/32F16H57/08F16H57/082F16H2057/085
Inventor 龚泉张凤仪刘剑敏
Owner 江西省分宜驱动桥有限公司