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Multiple transmission pair stepless speed variation transmission device

A variable speed transmission, vice stepless technology, applied in the field of transmission, can solve the problems of limited torque range, unsuitable for large torque transmission, difficult to apply, etc., to achieve the effect of increasing torque

Inactive Publication Date: 2003-08-06
刘亚军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the metal conveyor belt belongs to the friction transmission mode, the torque range it transmits is limited, and the driving and driven cone parts of the speed change part of the continuously variable transmission in use are composed of a fixed cone, a moving cone, and a transmission belt. , a friction pair is not suitable for the transmission of large torque, so it is difficult to apply in the case of heavy-duty vehicles and large passenger vehicles that require high torque transmission

Method used

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  • Multiple transmission pair stepless speed variation transmission device
  • Multiple transmission pair stepless speed variation transmission device
  • Multiple transmission pair stepless speed variation transmission device

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Embodiment Construction

[0013] The present invention will be further described in conjunction with the embodiment that accompanying drawing provides, as appended figure 1 As shown: the engine output shaft 1 is linked with the forward gear clutch provided in the gearbox, and the power is transmitted to the oil pump 24 through the sprocket transmission pair 23, the forward gear clutch hub is linked with the gearbox main shaft 11 and the active cone-disk part, and the active cone The disk part includes two fixed cones 6, 10 arranged on both sides and two moving cones 7, 8 arranged in opposite directions. The fixed cone 6 is integrated with the gearbox main shaft 11, and the fixed cone 10 and The gearbox main shaft 11 is keyed and fixed with nuts, and the moving cones 7, 8 are keyed with the main shaft 11 and can move axially along the main shaft 11. A pressure cylinder 9 is arranged in the middle of the moving cone. Equally driven cone part also comprises the fixed cone 17,18 that is arranged on both s...

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PUM

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Abstract

The present invention provides a multiple transmission pair stepless variable drive, mainly including reverse brake and forward gear clutch which are set in the gear shifting box and driving cone disk portion, driven cone disk portion and transmission belt. Said invention is characterized by that the driving cone disk and driven cone disk portions are respectively formed from two or more than twofixed cone disks and several moving cone disks correspondent to them. The driving cone disk portion is coupled with main shaft of gear shifting box and the driven cone disk portion is coupled with driven shaft of gear shifting box, and they can be synchronously rotated with them, between driving cone disk portion and driven cone disk portion two or more than two parllelly arranged transmission belts are set and connected between them so as to form two grups or more than two groups of transmission pairs structure.

Description

Technical field: [0001] The invention relates to the transmission technology, and mainly proposes a multi-transmission pair continuously variable transmission device. It is mainly used in the variable speed transmission of heavy-duty vehicles and large passenger cars, and is also suitable for other mechanical variable speed transmissions. Background technique: [0002] Usually, the CVT transmission mode is variable pitch circle mode, which is through the adjustment of the gap between the fixed cone and the moving cone, which causes the transmission radius of the cone and the transmission belt to change, thereby changing the transmission ratio and realizing the purpose of speed regulation. In recent years, this continuously variable transmission mode has been gradually applied to the variable speed transmission of small cars. However, because the metal conveyor belt belongs to the friction transmission mode, the torque range it transmits is limited, and the driving and drive...

Claims

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Application Information

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IPC IPC(8): F16H37/02F16H61/00
Inventor 刘亚军刘华军战荫藩武兴亚郭庆新张晓航王世明
Owner 刘亚军
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