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Conical-surface friction planetary transmission

A technology of planetary transmission and conical surface, applied in the direction of friction transmission device, belt/chain/gear, mechanical equipment, etc., can solve the problems of complex processing and manufacturing, achieve the effect of increasing equivalent friction coefficient, simple structure and convenient manufacture

Inactive Publication Date: 2012-07-11
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gears are generally made of high-quality low-carbon alloy steel for carburizing and quenching, which requires high precision and complex manufacturing

Method used

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  • Conical-surface friction planetary transmission
  • Conical-surface friction planetary transmission
  • Conical-surface friction planetary transmission

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] Such as figure 1 , figure 2 , image 3 As shown, the conical surface friction differential transmission of the present invention is a planetary gear train, comprising a housing 5, a conical sun gear 1, three identical conical planetary gears 2, a rotating arm shaft and an outer ring 3; housing 5 is equipped with Conical sun gear 1, three identical conical planetary gears 2, rotating arm shaft and outer ring 3, one end of the rotating arm shaft is installed in the bearing hole at one end of the housing 5, supported by deep groove ball bearings, the rotating arm shaft The other end is provided with a U-rotary arm, and one end of the transmission shaft is installed in the bearing hole at one end of the U-rotation arm and the other end of the housing 5, and is supported by a deep groove ball bearing. The other end of the transmission shaft in the ...

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Abstract

The invention discloses a conical-surface friction planetary transmission. A cone sun wheel, three same cone planet wheels, rotating arm shafts and an outer ring are arranged in a shell; one end of each rotating arm shaft is arranged in a bearing hole disposed on one end of the shell, and the other end is provided with a U-shaped rotating arm; one end of a transmission shaft is arranged in a bearing hole disposed on one end of the U-shaped rotating arm and a bearing hole disposed on the other end of the shell; the other end of the transmission shaft in the U-shaped rotating arm is provided the cone sun wheel; two ends of three equant rotating shafts of the U-shaped rotating arms are arranged in the bearing holes of the U-shaped rotating arms; each rotating arm shaft is provided with a cone planet wheel; the cone planet wheels are in friction transmission with the cone sun wheel and the inner cone holes of the outer ring; the outer ring and the shell are fixed on a pedestal; the three cone planet wheels rotate around the respective axis and revolute around the cone sun wheel; and the transmission shaft and the rotating arm shafts are arranged coaxially. The cone-friction planetary transmission transmits power through friction and is convenient to process. Due to the conical surface contact, the equivalent coefficient of friction and the transfer torque are increased. When the contact surface is worn, an axial translational planetary wheel is used to compensate the wearing.

Description

technical field [0001] The invention relates to a transmission, in particular to a conical surface friction planetary transmission. Background technique [0002] The transmission is a gear transmission device that can change the transmission ratio of the output shaft and the input shaft to meet the needs of traction and speed under different conditions. Gears are generally made of high-quality low-carbon alloy steel for carburizing and quenching, which requires high precision and complicated processing and manufacturing. Since transmission gears are often working under changing speed and load, and the tooth surface of the gear is impacted by the impact load, the gear (especially the tooth surface) is prone to damage, such as: gear wear, gear teeth broken, etc., need to be often Change the gear. Contents of the invention [0003] The purpose of the present invention is to provide a conical surface friction planetary transmission, the sun gear and the planetary gear are ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H15/48
Inventor 王爱林李慧汪久根
Owner ZHEJIANG UNIV
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