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Continuous variable phase transmission mechanism of interruptable reverse variable speed planetary gear trains

A variable-speed planetary and transmission mechanism technology, which is applied to gear transmissions, transmissions, mechanical equipment, etc., can solve the problems of variable transmission ratio and power interruption, and achieve the effects of simplified structure, compact series structure and reduced cost

Inactive Publication Date: 2012-08-22
YANSHAN UNIV
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Problems solved by technology

The patent number is: CN200810043713.0 An automobile engine valve variable phase mechanism, which uses a double planetary gear train, but does not realize the functions of variable transmission ratio and power interruption

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  • Continuous variable phase transmission mechanism of interruptable reverse variable speed planetary gear trains
  • Continuous variable phase transmission mechanism of interruptable reverse variable speed planetary gear trains
  • Continuous variable phase transmission mechanism of interruptable reverse variable speed planetary gear trains

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[0038] detailed descriptionA continuously variable phase transmission mechanism of an interruptible reverse variable speed planetary gear train, mainly including a planetary gear train, a power input wheel 1, a power output shaft 9, a ring gear, a clutch and an integrated power transmission frame 5, and the planetary gear train mainly includes a sun gear, the planetary gear and the planetary gear frame that are fitted with the external teeth of the sun gear, wherein the cylindrical sun gear 1 at the input end and the cylindrical sun gear 2 6 at the output end are parallel to the axis of rotation, and the planetary gear system 1 and the planetary gear The two series are connected in series, the planetary gears 3 and 7 in the two planetary gear systems are respectively sleeved on the respective planetary gear frames 30 and 70 through bearings, and the sun gears in the two planetary gear systems are connected through an integrated power transmission frame 5, and the power input ...

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Abstract

The invention relates to a continuous variable phase transmission mechanism of interruptable reverse variable speed planetary gear trains, wherein a planetary gear train I inputs power through a gear ring I or a sun gear I; a planetary gear frame I is connected with a turbine; sun gears or gear rings of two planetary gear trains are connected through an integrated power transmission frame; a planetary gear frame II outputs power to an output shaft; a gear ring II or a sun gear II is fixed or idle through a clutch I; locking and unlocking of the planetary gear train II is realized through a clutch II; the planetary gear train I inputs power from outside and adjusts phases of an input/output shaft; the planetary gear train II is capable of outputting power, adjusting a transmission ratio and emergently interrupting power transmission; an electric control unit collects angular speed phase sensor signals of an input/output part and operates, and then outputs signals to a worm driven by an executor motor; and the worm drives the turbine to rotate, so that input/output phases are adjusted. According to the invention, the power transmission is interruptable; the transmission ratio is variable in two-stage; input and output directions are reverse; and phases are continuous and adjustable.

Description

technical field [0001] The invention relates to a power transmission mechanism, in particular to a double planetary gear train transmission mechanism with interruptible power transmission, two-stage variable transmission ratio, reverse input and output directions and continuously adjustable phase. Background technique [0002] With the advancement of technology, a large number of internal combustion engines with dual working modes have appeared, and the integration requirements for the variable phase and transmission ratio functions of the valve train have been put forward. Other systems that require variable phase and transmission ratio in the power transmission process are also required It is constantly increasing, and some also require the function of switching the direction of rotation. During the use of power devices such as vehicles, it often occurs that the power device cannot be stopped due to failure. If the braking system is not good or fails at the same time, the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/68
Inventor 邸立明杨春婧
Owner YANSHAN UNIV
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