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A two-stage planetary gear continuously variable transmission mechanism

A technology of infinitely variable speed and transmission mechanism, applied in the direction of transmission box, transmission device, mechanical equipment, etc., can solve the problems of restricting development and application range, small transmission ratio variation range, and small action radius of planetary friction wheel, so as to reduce geometric Slip ratio, effect of improving transmission efficiency and power

Inactive Publication Date: 2014-10-22
郭克亚
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Problems solved by technology

Although the structure of this type of planetary continuously variable transmission is relatively simple, due to the small changeable radius of the planetary friction wheel and the restriction of its transmission mode in the planetary mechanism, the transmission ratio range is small and the transmission power is small. Restricted its development and application scope

Method used

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  • A two-stage planetary gear continuously variable transmission mechanism
  • A two-stage planetary gear continuously variable transmission mechanism
  • A two-stage planetary gear continuously variable transmission mechanism

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Embodiment Construction

[0035] The present invention will be described in further detail below according to accompanying drawing and embodiment:

[0036] Such as figure 1 , figure 2 , the double-stage planetary wheel continuously variable transmission mechanism of the present invention includes an inner center wheel set 100, an outer center wheel set 300, a planet carrier 12 and a double-stage planetary wheel set 200, and the inner center wheel set 100 includes a first inner center wheel 3, a second inner center wheel set Two inner center wheels 4 and center shaft 2, the outer center wheel set 300 includes the first outer center wheel 9 and the second outer center wheel 10, the double-stage planetary wheel set 200 includes a plurality of inner planetary wheels 5, and the number of inner planetary wheels 5 Corresponding outer planetary wheel 7, and corresponding rotating arm 11 with inner planetary wheel 5 quantity; The first inner center wheel 3 and the second inner center wheel 4 are respectively...

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Abstract

The invention discloses a double-stage planet wheel continuously variable transmission mechanism. A first inner central wheel and a second inner central wheel are respectively connected with a central shaft; a first outer central wheel is connected with a second outer central wheel; an inner planet wheel and an outer planet wheel are respectively and flexibly connected with a rotary arm; gears on the inner planet wheel are engaged with the gears on the outer planet wheel; the rotary arm is flexibly connected with a planet frame; a first transmission surface of the inner planet wheel is contacted with the transmission surface of the first inner central wheel and the second transmission surface is contacted with the transmission surface of the second inner central wheel; and the first transmission surface of the outer planet wheel is contacted with the transmission surface of the first outer central wheel and the second transmission surface is contacted with the transmission surface of the second outer central wheel. The mechanism is applicable to transmission field of various vehicles, machineries and the like.

Description

technical field [0001] The invention relates to the technical field of mechanical friction transmission, in particular to a two-stage planetary wheel continuously variable transmission mechanism. Background technique [0002] In the last ten years, CVT (Continuously Variable Trans-mission) technology has made great progress, and is currently widely used in the field of low-power vehicles. There are many types of continuously variable transmissions, among which the belt drive type and the traction drive type have been applied in automobiles, and they all transmit power by friction. Due to the low transmission efficiency of fluid type and electric type, only a small amount of them are currently used in special vehicles. [0003] The belt-driven continuously variable transmission mainly relies on variable-diameter driving and driven wheels and metal belts to achieve stepless change in speed ratio. It has high transmission efficiency and a wide range of speed changes. The best...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H37/02F16H57/02
Inventor 郭克亚
Owner 郭克亚
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