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Stepless speed variator

A technology of continuously variable transmission and coupling, which is applied in the direction of gear transmission, fluid transmission, belt/chain/gear, etc., can solve the problems of complex structure, low power and low efficiency of continuously variable transmission, and achieve simple structure, High average speed, easy maintenance effect

Inactive Publication Date: 2008-08-06
吴志强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the commonly used continuously variable transmissions are designed according to the principles of friction and hydrostatics, etc., and the power they can transmit is not large, and the efficiency is not high; In addition, these continuously variable transmissions are complex in structure, cumbersome to control, and need to be realized through expensive materials and precise manufacturing, so the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] like figure 1 As shown in , a continuously variable transmission includes an input shaft 1, a coupling 4, a one-way clutch 5, an empty and reverse gear mechanism 7, and an output shaft 8. The output end 52 of the one-way clutch 5 is connected to the input shaft 1 Connection, the output end 72 of the neutral and reverse gear mechanism 7 is connected with the output shaft 8, and there is a planetary row 3 connected in sequence between the input shaft 1 and the output shaft 8, a common output shaft 6 and a one-way The torque conversion unit 2 composed of elements 9, the planetary row 3 includes an input element 31, an output element 32, a common output element 33, and a planetary gear 34, the input element 31 of the first planetary row 3 is connected with the input shaft 1, and the second The input element 31 of the first planetary row 3 is connected with the output element 32 of the first planetary row 3, the output element 32 of the second planetary row 3 is connected wi...

Embodiment 2

[0035] like figure 2 As shown in , it includes input shaft 1, coupling 4, one-way clutch 5, neutral and reverse gear mechanism 7, output shaft 8, the output end 52 of said one-way clutch 5 is connected with input shaft 1, neutral and reverse gear The output end 72 of the mechanism 7 is connected to the output shaft 8, and there is a torque converter composed of two sequentially connected planetary rows 3, a common output shaft 6 and a one-way element 9 between the input shaft 1 and the output shaft 8. Unit 2, the planetary row 3 includes an input element 31, an output element 32, a common output element 33, and a planetary gear 34. The input element 31 of the first planetary row 3 is connected to the input shaft 1, and the input of the second planetary row 3 The element 31 is connected with the output element 32 of the first planetary row 3, the output element 32 of the second planetary row 3 is connected with the input end 41 of the coupler 4, and the output end 42 of the co...

Embodiment 3

[0042] like image 3 As shown in the present embodiment, only one end 1231 of the common output element 123 of the two planetary rows 3 in the second embodiment is directly connected to the input end 71 of the neutral and reverse gear mechanism 7, thereby reducing the number of one-way elements 9 and The common output shaft 6, its working principle and realized functions and effects remain unchanged.

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Abstract

The invention provides a stepless transmission, which aims at providing a stepless transmission which prolongs the service life of the motor and the actuating system, has simple structure, convenient operation, low cost and is energy saving and highly efficient. The main points of the technical scheme is that the invention includes an input shaft, a coupler, a one-way clutch, a neutral and reverse mechanism and an output shaft, wherein an output end 52 of the one-way clutch 5 is connected with the output shaft 1, an output end 72 of the neutral and reverse mechanism 7 is connected with an output shaft 8, a moment converting unit 2 composed of a planetary row 3 and a public output shaft 6 which are sequentially collected and an one-way element 9 is arranged between the output shaft 1 and the output shaft 8, an input end of the moment converting unit 2 is connected with an input shaft 1, an output end 22 is connected with a coupler 4, an output end 44 of the coupler is connected with a plurality of elements except for elements of the stepless transmission, one end of a public output end 23 of the moment converting unit 2 is connected with an input end 71 of the neutral and reverse mechanism 7, and the other end is connected with an input end 51 of the one-way clutch 5.

Description

technical field [0001] The invention belongs to the field of transmissions, more specifically, it is a transmission for various ground vehicles, ships, railway locomotives, engineering machinery, various aerospace, aircraft, metallurgy, mining, petroleum, chemical industry, light industry, food, textile , Lifting and transporting machinery, machine tools, robots and military CVTs. Background technique [0002] At present, the commonly used continuously variable transmissions are designed according to the principles of friction and hydrostatics, etc. The power it can transmit is not high, and the efficiency is not high; Expensive materials and sophisticated manufacturing are required to achieve this, and thus the high cost. Contents of the invention [0003] The invention overcomes the deficiencies of the prior art and provides a continuously variable transmission that prolongs the service life of the engine and the transmission system, has simple structure, convenient ope...

Claims

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Application Information

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IPC IPC(8): F16H3/44F16H47/00
Inventor 吴志强
Owner 吴志强
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