Variable-speed drive mechanism of disc curve wheel

Abstract

The invention discloses a variable-speed drive mechanism of a disc curve wheel, and the variable-speed drive mechanism comprises at least one cone wheel set and a disc curve wheel set. The cone wheel set comprises a rolling cone wheel and a cone wheel shaft; the disc curve wheel set comprises a first disc curve wheel, a second disc curve wheel and a curve wheel shaft; the cone wheel shaft is arranged parallel to the curve wheel shaft; the rolling cone wheel is connected with the cone wheel shaft; the second disc curve wheel is connected with the curve wheel shaft; the first disc curve wheel is sleeved on the curve wheel shaft; and the rolling cone wheel is provided with two conical surfaces, wherein the first conical surface is contacted with the curved surface of the first disc curve wheel, and the second conical surface is contacted with the curved surface of the second disc curve wheel. The variable-speed drive mechanism disclosed by the invention is applicable to the drive fields of various vehicles and machineries.

Description

technical field [0001] The invention relates to a cone wheel continuously variable transmission mechanism in the technical field of mechanical friction transmission, in particular to a disk curved wheel continuously variable transmission mechanism. Background technique [0002] The cone wheel continuously variable transmission mechanism has the advantages of stable transmission, low noise, simple structure, overload protection effect, and various forms, and has a wide range of applications; however, in the cone wheel continuously variable transmission mechanism When working with load and friction, due to the geometric shape of the cone wheel and the contacted transmission element, the speed distribution of the contact area of ​​the two rolling elements is different, and geometric sliding will occur between the two rolling elements, which will cause heat and wear of the transmission mechanism , Low transmission efficiency and other shortcomings. [0003] In the prior art, in...

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Problems solved by technology

[0002] The cone wheel continuously variable transmission mechanism has the advantages of stable transmission, low noise, simple structure, overload protection effect, various forms, etc., and has a wide range of applications; however, in the cone wheel continuously variable transmission mechanism When working with load and friction, due to the geometric shape of the cone wheel and the contacted transmission element, the speed distribution of the contact area of ​​the two rolling elements is different, and geometric sliding will occur between the two rolling elements, which will cause heat and wear of the transmission mechanism , low transmission efficiency and other disadvantages

[0003] In the prior art, in order to reduce the geometric slip rate in the cone wheel continuously variable transmission mechanism, many cone wheel continuously variable transmission mechanisms will minimize the contact area between the cone wheel and the contacted transmission elements according to the size of the transmission power , to reduce the geometric slip rate; if the geometric slip rate in the continuously variable transmission mechanism of the bevel wheel is to be minimized, only when the contact area between the bevel wheel and the contacted transmission element is a point contact, in theory There will be no geometric sliding, and the transmission efficiency at this time is also the highest. However, the smaller the contact area between the bevel wheel and the contacted transmission element, the worse the load-carrying capacity and the lower the transmission power; how to solve the above-mentioned technology Problem, at present, there is no better solution in this technical field

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