Stepless speed change transmission device for single row planetary gear mechanism

A gear mechanism, single-row planetary technology, applied in the direction of mechanical transmission, transmission, vehicle gearbox, etc., can solve the problems of increasing the difficulty of manufacturing and control of the control mechanism, increasing the cost and failure rate of the transmission, and high engine speed. The effect of small manufacturing and control difficulty, cost and failure rate reduction, and low engine speed

Inactive Publication Date: 2015-03-04
SHUNDE POLYTECHNIC
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The single-stage transmission form makes the value of the total transmission ratio of the continuously variable transmission smaller. For example, the value of the total transmission ratio of the single-stage continuously variable transmission used in automobiles is less than 6, so that the engine speed is high when the vehicle is run

Method used

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  • Stepless speed change transmission device for single row planetary gear mechanism

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Embodiment Construction

[0010] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0011] see figure 1 , the single-row planetary gear mechanism of the present invention uses a belt-type continuously variable transmission and a planetary gear mechanism to transmit power, including a belt-type continuously variable transmission 18, a single-row planetary gear mechanism 14, an input shaft 5, an output shaft 11, The single-row planetary gear mechanism includes a planetary carrier 12, a ring gear 8, a sun gear 10, and a planetary gear 9. The belt type continuously variable transmission includes a driving disc and a driven disc. The planetary carrier 12 is connected to the driving gear 4 through an idler gear 6. The sun The wheel 10 is connected with the driven plate of the belt type continuously variable transmission 18, the ring gear 8 is connected with the output shaft 11, and the power is output externally through the output ...

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Abstract

The invention discloses a stepless speed change transmission device for a single row planetary gear mechanism. The stepless speed change transmission device comprises a belt type stepless speed changer, the single row planetary gear mechanism, an input shaft and an output shaft. The single row planetary gear mechanism comprises a planet carrier, a tooth ring, a sun wheel and a planet wheel. The belt type stepless speed changer comprises a driving disc and a driven disc, the planet wheel is in transmission connection with a driving gear through an idle wheel, the sun wheel is connected with the driven disc of the belt type stepless speed changer, the tooth ring is connected with the output shaft, and the driving gear and the driving disc of the belt type stepless speed changer are installed on the input shaft. According to the stepless speed change transmission device, large-range changes of the speed changer transmission ratio is obtained by small-range control of the transmission ratio changes of the belt type stepless speed changer, so that the rotating speed of an engine is low when an automobile runs at a high speed, and the economy is improved. Besides, a reverse gear mechanism does not need to be arranged independently, the manufacturing and control difficulty of a control mechanism is reduced, and the cost of the speed changer and the failure rate are also reduced.

Description

technical field [0001] The invention relates to the technical field of transmissions, in particular to a single-row planetary gear mechanism continuously variable transmission device for combined transmission of a planetary gear mechanism and a continuously variable transmission. Background technique [0002] The currently used continuously variable transmission is generally in the form of single-stage transmission. The transmission belt is used to cooperate with the driving and driven wheels with variable working diameters to transmit power, which can realize the continuous change of the transmission ratio. The common continuously variable transmissions include belt and metal. Belt type Two types of belt type continuously variable transmission. The single-stage transmission form makes the value of the total transmission ratio of the continuously variable transmission smaller. For example, the value of the total transmission ratio of the single-stage continuously variable tr...

Claims

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Application Information

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IPC IPC(8): F16H37/02
CPCF16H37/02F16H2702/02
Inventor 赵良红罗子聪范爱民
Owner SHUNDE POLYTECHNIC
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