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Diameter-variable driving wheel and full-automatic micro-shift transmission

A transmission wheel and transmission technology, applied in transmission devices, belts/chains/gears, portable lifting devices, etc., can solve problems affecting the popularization and application of CVT, transmission belt strength, life-limiting transmission belt and pulley friction, etc.

Inactive Publication Date: 2006-12-20
张惠东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing problems are the limitation of the strength and life of the transmission belt, and the friction between the transmission belt and the pulley.
These defects have affected the popularization and application of CVT

Method used

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  • Diameter-variable driving wheel and full-automatic micro-shift transmission
  • Diameter-variable driving wheel and full-automatic micro-shift transmission
  • Diameter-variable driving wheel and full-automatic micro-shift transmission

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] The characteristics of the variable-diameter transmission wheel, the variable-diameter transmission device and the fully automatic micro-gear transmission will be described in detail below in conjunction with the accompanying drawings.

[0040]Fig. 1(a) is an assembled perspective view of an automatic transmission. The output shaft 32 is mounted on the lower housing 42; the fixed cone 31 is mounted on one end of the output shaft 32, and the spacer cylinder 37 is mounted on the other end of the output shaft 32 to play the role of fixing the axial position of the movable cone 34. There are threaded holes on the poles on both sides of the gear shifting frame 35, and the threaded rods 38 are screwed into them; when the stepping motor 40 drives a pair of threaded rods 38 to rotate through the synchronous belt 39, it can drive the gear shifting frame 35 and the gear mounted on it. The chainring 36 translates. The power transmitted by the speed changer is input by the input s...

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PUM

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Abstract

The invention relates to a reducing transmission wheel and full-automatic micro-shift speed changer, wherein said transmission device is formed by a reducing transmission wheel, a middle transmission belt and relative shift device; the wheel draws coil to be working surface of reducing transmission wheel, while the part not in transmission is coiled at the wheel center; the wheel draw belt and the transmission belt form the meshed transmission couple; the transmission wheel, via the drawing support that moving inside the radial slide groove of taper transmission disc, transmit torque; the position of drawing support decides the size of node circle radius of transmission wheel; the reducing wheel via the expanding device and the reducing device realizes the change of node circle of transmission wheel; said transmission device utilizes the change of node circle to realize speed-variable transmission. The invention can be used in the working mechanism with frequent transmission ratio change.

Description

technical field [0001] The invention relates to a mechanical transmission mechanism capable of stepless speed change, in particular to a transmission device capable of stably changing the radius of a transmission wheel and an automatic micro-speed transmission. Background technique [0002] The transmission device occupies an important position in the mechanical system, and its advantages and disadvantages directly affect the overall performance of the system; when it is uneconomical or impossible to use the prime mover to adjust the speed, it is necessary to use the transmission to meet the needs of frequent speed changes of the working machine. In textile, food, paper and other industries, in order to adapt to continuous changes in process parameters or rapid changes, mechanical stepless transmissions are generally used for speed adjustment. [0003] At present, although the structure of the mechanical continuously variable transmission is different, almost all of them are...

Claims

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Application Information

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IPC IPC(8): F16H55/30F16H9/24F16H7/08
Inventor 张惠东
Owner 张惠东
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