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A continuously variable transmission

A continuously variable transmission mechanism and cone wheel technology, applied in the direction of transmission, friction transmission, transmission control, etc., can solve the problems of metal belt continuously variable transmission with many components, complex structure and high processing requirements

Active Publication Date: 2017-08-15
高邮市驿都小微企业服务管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The metal belt continuously variable transmission has many components, complex structure and high processing requirements

Method used

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  • A continuously variable transmission
  • A continuously variable transmission
  • A continuously variable transmission

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0027] like figure 1 As shown, a continuously variable transmission mechanism includes a power input shaft 1, an intermediate transmission body and a power output shaft 5, the power input shaft 1 is provided with a driving cone wheel 2, and the power output shaft 5 is provided with a The driven cone wheel 6 matched with the driving cone wheel 2, the driving cone wheel 2 is connected with the driven cone wheel 6 through the intermediate transmission body

[0028] With friction transmission.

[0029] The above-mentioned driving cone wheel 2 is the same size as the driven cone wheel 6, the large end of the driving cone wheel 2 is corresponding to the large end of the driven cone wheel 6, and the small end of the driving cone wheel 2 is smaller than the driven cone wheel 6 corresponding to the end.

[0030] The above-mentioned intermediate transmission body includes a radially movable intermediate transmission shaft 3, and a chute structure (not shown in the figure) matching the...

specific Embodiment approach 2

[0039] The difference from Embodiment 1 is that the contour lines at both ends of the cross-section of the intermediate transmission disc 4 are straight lines parallel to the generatrices of the driving cone wheel 2 and the driven cone wheel 6, and the intermediate transmission disc 4 and the driving cone wheel 2 and the driven cone wheel 6 form a line contact.

specific Embodiment approach 3

[0041] The difference from Embodiment 1 is that the intermediate transmission body includes an intermediate transmission shaft 3, and a chute structure matching the position of the intermediate transmission shaft 3 is provided along the radial direction of the intermediate transmission shaft 3, and the intermediate transmission shaft 3 It can move radially along the chute, and its axial movement and rotational movement are restricted. The middle of the intermediate transmission shaft 3 is fixedly connected with a bracket, and the bracket includes symmetrically arranged brackets I7.1 and II7.2. The bracket I7.1 is provided with a connecting sleeve I9.1 that rotates around the bracket I7.1, and the two ends of the connecting sleeve I9.1 are fixedly connected with a friction disc I8.1 and a bevel gear I10.1, and the bracket II7 .2 is provided with a connecting sleeve II 9.2 that rotates around the bracket II 7.2, and the two ends of the connecting sleeve II 9.2 are respectively fi...

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Abstract

The invention relates to the technical field of mechanical transmission, in particular to a stepless speed change gear which comprises a power input shaft (1), an intermediate transmission body and a power output shaft (5). A driving bevel wheel (2) is arranged on the power input shaft (1), a driven bevel wheel (6) which is matched with the driving bevel wheel (2) is arranged on the power output shaft (5), and the driving bevel wheel (2) is matched with the driven bevel wheel (6) via the intermediate transmission body, so that a friction transmission effect can be realized. The stepless speed change gear has the advantages of simple structure and convenience in control.

Description

technical field [0001] The invention relates to the technical field of mechanical transmission, in particular to a continuously variable transmission mechanism. Background technique [0002] Known continuously variable transmissions are usually divided into two types: traction transmission and friction transmission. The traction transmission transmits power through the molecular force of the liquid medium between the contact surfaces; the friction transmission transmits power through the friction force of the contact surfaces. The typical application of the traction drive continuously variable transmission is the traction ring type continuously variable transmission. Its advantage is that multiple sets of traction rings can be arranged in series, the transmitted torque is large, and the efficiency is high. Very high, lower revs delivered. The typical application of the friction CVT is the metal V-belt CVT. By adjusting the width of the V-belt groove in the axial direction, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H13/02F16H37/02
CPCF16H15/22F16H61/30
Inventor 李炜
Owner 高邮市驿都小微企业服务管理有限公司