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Automobile stepless speed change device

A continuously variable transmission, automobile technology, applied in transmission, transmission control, components with teeth, etc., can solve the problems of complex structure and speed regulation system, low torque transmission efficiency, large transmission space, etc., Achieve the effect of simple device structure, small occupied space and high power transmission efficiency

Inactive Publication Date: 2014-05-14
SHENYANG JIANZHU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this kind of metal belt continuously variable transmission has the above-mentioned advantages of continuously variable transmission, its structure and speed regulating system are relatively complicated, and its manufacturing cost is relatively high; Force difference; small range of transmission ratio; different axes of output shaft and input shaft lead to a large space occupied by the transmission, which is not conducive to assembly; it is not suitable for use on large-displacement, high-torque vehicles and intensely running vehicles

Method used

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  • Automobile stepless speed change device
  • Automobile stepless speed change device
  • Automobile stepless speed change device

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] combine Figure 1 to Figure 4 , In this embodiment, the continuously variable transmission device for automobiles is composed of a friction transmission mechanism and a speed regulating mechanism. The friction transmission mechanism includes the driving gear 1 coaxially connected with the main shaft of the automobile engine, and three driven gears meshing with the driving gear—the driven gear I2, the driven gear II3 and the driven gear III4; the three driven gears The diameters of the gears are the same, and their axes are 120° to each other; the driven gear shafts of the three driven gears are respectively parallel to the driving shaft and installed on the gear shaft fixing plate 5; the rear ends of the three driven gear shafts are respectively fixed Install three sub-friction discs perpendicular to the driven gear shaft and located in the same...

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Abstract

The invention provides an automobile stepless speed change device. A friction drive mechanism of the automobile stepless speed change device is composed of a driving gear, three driven gears, three branch friction discs, a main friction disc and a compression spring. The driving gear is coaxially connected with a main shaft of an engine. The driven gears are meshed with the driving gear. The branch friction discs are arranged on a driven gear shaft and drive the main friction disc and the compression spring through idler wheels. A rotating shaft of the main friction disc is connected with a rear axle of an automobile. A speed regulation mechanism is composed of an idler wheel defining disc and an idler wheel synchronous stirring disc which are located between the branch friction discs and the main friction disc. A speed regulation motor drives the idler wheel synchronous stirring disc to rotate through a speed regulation gear. The idler wheel synchronous stirring disc drives the three idler wheels to synchronously move in the radial direction through spiral sliding grooves, idler wheel pull rods and idler wheel sliding blocks, and therefore the contact radius between the idler wheels and the branch friction discs and between the idler wheels and the main friction disc are continuously changed, and stepless speed change is achieved. The automobile stepless speed change device is simple in structure, low in cost, balanced in stress, high in power delivery efficiency, large in gear ratio range, small in occupied space and capable of being integrated with a clutch.

Description

technical field [0001] The invention relates to an automobile transmission, in particular to an automobile mechanical continuously variable transmission. Background technique [0002] As we all know, the car transmission is an important part of the car. Existing automobile transmissions are divided into stepped transmissions and continuously variable transmissions. The stepped transmission adopts manual shifting, which has the disadvantage of not being able to shift continuously. Continuously variable transmissions have been popularized and used in cars because of their continuous speed change, smooth power output, and good fuel economy. [0003] At present, the most commonly used continuously variable transmission on cars is the metal belt continuously variable transmission controlled by hydraulic pressure. Although this kind of metal belt continuously variable transmission has the above-mentioned advantages of continuously variable transmission, its structure and speed ...

Claims

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Application Information

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IPC IPC(8): F16H37/02F16H63/30
CPCF16H37/021
Inventor 赵德华
Owner SHENYANG JIANZHU UNIVERSITY
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