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Self-adaptive variable-speed outer cone disc type self-spinning-free traction type continuously variable transmission

A continuously variable transmission, self-adaptive technology, applied in the direction of friction transmission, elements with teeth, belt/chain/gear, etc., can solve the problem that the speed change mechanism, the structural characteristics of the loading mechanism are not given, and the load adaptive speed change cannot be realized. and other problems, to achieve the effect of improving power transmission efficiency, improving loading reliability, and convenient implementation.

Pending Publication Date: 2022-01-04
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this scheme is that: only the results of busbar optimization are given, and the structural characteristics of the actual speed change mechanism and loading mechanism are not given; this scheme cannot realize adaptive speed change for the load

Method used

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  • Self-adaptive variable-speed outer cone disc type self-spinning-free traction type continuously variable transmission
  • Self-adaptive variable-speed outer cone disc type self-spinning-free traction type continuously variable transmission
  • Self-adaptive variable-speed outer cone disc type self-spinning-free traction type continuously variable transmission

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 1 As shown, it is the transmission principle diagram of the present embodiment. The self-adaptive variable speed external cone-disk type non-spin traction type continuously variable transmission is composed of an input shaft 1, an input roller 3, an intermediate transmission component, an output shaft 11, an output roller 9 and a speed changer. Mechanism composition: an input end cam loading mechanism 2 is arranged between the input shaft 1 and the input roller 3, an output end cam loading mechanism 10 is arranged between the output shaft 11 and the output roller 9, and the input shaft 1 and the output shaft 11 Coaxial installation; the intermediate transmission part is composed of upper and lower groups of symmetrically placed upper transmission cones 4 and lower transmission cones 7, upper shifting rocker 5, lower shifting rocker 8 and shifting sleeve 6, the upper transmission The cone 4 and the lower transmission cone 7 are respectively installed on th...

Embodiment 2

[0035] Such as figure 1 As shown, it is the transmission principle diagram of the present embodiment. The self-adaptive variable speed external cone-disk type non-spin traction type continuously variable transmission is composed of an input shaft 1, an input roller 3, an intermediate transmission component, an output shaft 11, an output roller 9 and a speed changer. Mechanism composition: an input end cam loading mechanism 2 is arranged between the input shaft 1 and the input roller 3, an output end cam loading mechanism 10 is arranged between the output shaft 11 and the output roller 9, and the input shaft 1 and the output shaft 11 Coaxial installation; the intermediate transmission part is composed of upper and lower groups of symmetrically placed upper transmission cones 4 and lower transmission cones 7, upper shifting rocker 5, lower shifting rocker 8 and shifting sleeve 6, the upper transmission The cone 4 and the lower transmission cone 7 are respectively installed on th...

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Abstract

The invention discloses a self-adaptive variable-speed outer cone disc type self-spinning-free traction type continuously variable transmission. The transmission comprises an input shaft, an input roller, a middle transmission component, an output shaft, an output roller and a speed change mechanism. The input shaft and the output shaft are coaxially installed, the middle transmission component comprises an upper transmission conical disc, a lower transmission conical disc, an upper speed change rocker, a lower speed change rocker and a speed change sleeve, one end of each of the upper speed change rocker and the lower speed change rocker is hinged to the same point of the speed change sleeve, and the speed change sleeve can move in the axis direction of the input shaft and the output shaft. The speed change mechanism is a lead screw nut mechanism, a lead screw is parallel to the axis of the input shaft and the axis of the output shaft, and a nut is arranged in the speed change sleeve and can freely rotate around the axis of the lead screw. Power is input from the input shaft, transmitted to the input roller through an input end surface cam loading mechanism, transmitted to the upper transmission conical disc and the lower transmission conical disc through traction transmission, then transmitted to the output roller and output to the output shaft through an output end surface cam loading mechanism, and power output is achieved.

Description

technical field [0001] The invention relates to a traction type continuously variable transmission in a transmission system, in particular to an adaptive variable speed external cone disc type non-spin traction type continuously variable transmission. Background technique [0002] Continuously variable transmission (CVT) can provide a series of continuous transmission ratios so that the vehicle engine is always at a high-efficiency point, which can greatly improve the efficiency of the vehicle, reduce vehicle emissions, and achieve the effect of energy saving and emission reduction. It is an ideal machine transmission scheme. Traction CVT has the characteristics of high power density, high efficiency, and large transmission power, and will become the development direction of continuously variable transmission technology in the future. [0003] Generally speaking, the efficiency loss of traction CVT mainly includes: spin loss, slip loss, sideslip loss, bearing loss and churn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H15/22F16H61/32F16H61/664
CPCF16H15/22F16H61/664F16H61/32F16H2061/2869F16H2061/2884
Inventor 姚进李超李华彭科铭唐斯琪
Owner SICHUAN UNIV
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