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V-belt continuously variable transmission

A technology of continuously variable transmissions and pulleys, applied to components with teeth, belts/chains/gears, mechanical equipment, etc., can solve problems such as poor workability, achieve load reduction, reduce sliding resistance, and achieve the effect of workability

Inactive Publication Date: 2016-06-15
NTN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the hook portion provided at the end of the output shaft is engaged with the pin provided on the arm member to connect each other, it is necessary to disassemble the V-belt type continuously variable transmission during assembly and parts replacement. There is a problem of poor workability in the loading and unloading work of the hook

Method used

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  • V-belt continuously variable transmission
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  • V-belt continuously variable transmission

Examples

Experimental program
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Embodiment Construction

[0023] Hereinafter, embodiments of the present invention will be described based on the drawings. Such as figure 1 As shown, the V-belt type continuously variable transmission according to the present invention has a transmission housing 10.

[0024] The transmission housing 10 is composed of a housing body 11 and a cover 12 screwed to the housing body 11. The housing main body 11 also serves as an engine cover, and shaft insertion holes 13 and 14 are provided at one end and the other end of the housing main body 11, respectively.

[0025] A crankshaft 16 is inserted into a shaft insertion hole 13 provided at one end of the housing main body 11, and the crankshaft 16 is provided on a crankshaft disc 15 of the engine. The crankshaft 16 is a main shaft as a drive shaft, and the main shaft 16 is rotatably supported by a bearing 17 mounted in the shaft insertion hole 13.

[0026] A secondary shaft 18 as a driven shaft is inserted into a shaft insertion hole 14 provided at the other end...

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PUM

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Abstract

Provided is a V-belt continuously variable transmission that is assembled using a small number of components and that is easy to disassemble. The rotation of an eccentric cam (84) causes an arm member (60) to move in the axial direction of a primary shaft (16), the movement of the arm member (60) causes a movable pulley (32) of a drive pulley (30) to move with respect to a fixed pulley (31), and the groove width of the drive pulley (30) is thereby adjusted.

Description

Technical field [0001] The present invention relates to a V-belt type continuously variable transmission that changes the speed of rotation of a driven pulley by changing the winding diameter of the V-belt due to the change in the groove width of the driving pulley and the driven pulley. Background technique [0002] As a V-belt type continuously variable transmission used in vehicles such as two-wheeled motorcycles, V-belt type continuously variable transmissions described in Patent Documents 1 and 2 below are known. In the V-belt type continuously variable transmission described in Patent Document 1, a V-belt is installed between a drive pulley supported on a drive shaft and a driven pulley supported on a driven shaft, and the drive belt is driven by the action of an actuator. The movable pulley in the wheel slides in the axial direction to change the groove width of the driving pulley. The groove width of the driven pulley is changed by the tension change of the V-belt caused ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H9/18
CPCF16H9/18F16H63/062F16H61/662
Inventor 板垣卓渔野嘉昭赤石和也
Owner NTN CORP
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