Straight-toothed hole pin type hydraulic automatic limited slip differential

A technology of limited-slip differential and straight-tooth hole-pin type, which is applied in the direction of differential transmission, transmission, belt/chain/gear, etc., can solve the problems of complex structure, easy to be locked, high manufacturing cost, etc., and achieve Effects of low mounting accuracy, reduced dependency, and low manufacturing cost

Inactive Publication Date: 2014-04-02
CHONGQING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the object of the present invention is to provide a straight-tooth pin-type hydraulic automatic limi

Method used

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  • Straight-toothed hole pin type hydraulic automatic limited slip differential
  • Straight-toothed hole pin type hydraulic automatic limited slip differential
  • Straight-toothed hole pin type hydraulic automatic limited slip differential

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] see figure 1 and image 3 , a straight hole pin type hydraulic automatic limited-slip differential, comprising a differential case 20, a left half shaft 1, a right half shaft 21, a differential mechanism and a hydraulic limited-slip mechanism, wherein,

[0021] The differential mechanism comprises a left drive shell 10, a right drive shell 12, a left turntable 7, a right turntable 15, a left pin plate 8, a right pin plate 14 and two planetary gears 11, wherein the left drive shell 10 and the right drive shell 12 is installed in the differential case 20, and the left drive case 10 and the right drive case 12 cooperate with the inner splines of the differential case 20 through external splines; The circular groove that the left pin plate 8 cooperates, and the left pin plate 8 is embedded in this groove; There is a circular groove that deviates from th...

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Abstract

The invention discloses a straight-toothed hole pin type hydraulic automatic limited slip differential, which comprises a differential shell, a left half shaft, a right half shaft, a differential mechanism and a hydraulic slip limiting mechanism. According to the differential, hydraulic oil in a hydraulic cylinder on one side is pressed into a hydraulic cylinder on the other side by virtue of the tooth space volume change of two gears so as to increase oil pressure in the hydraulic cylinder on one side, and thus a friction plate group on the side can be pressed closely; meanwhile, the torque of the differential shell is transmitted to non-slip wheels through the friction plate group to increase the driving force of the non-slip wheels so as to achieve a slip limiting function, so that the slip limiting function can be independently and autonomously realized without an independent hydraulic execution mechanism and an auxiliary mechanism. The differential is simple and reasonable in structure and low in manufacturing cost; in addition, the highest oil pressure can be controlled by setting the amount of oil injected into the hydraulic cylinders, thereby avoiding the condition that the differential is locked when excessive pressing force is applied to the friction plate groups; moreover, the left and right hydraulic cylinders serve as oil tanks of each other, so that the shortcoming of size enlargement caused by an independent oil tank can be overcome.

Description

technical field [0001] The invention relates to a differential installed in a vehicle drive system to realize a differential speed between wheels, in particular to a straight-tooth pin-type hydraulic automatic limited-slip differential capable of preventing one wheel from slipping. [0002] Background technique [0003] The differential is the main component of the drive axle of a car. Its function is to transmit torque to the left and right wheels while the car is running, and at the same time make the left and right wheels perform pure rolling at different angular velocities, reduce the wear of the wheels, and reduce the energy consumption of the vehicle. Differentials are divided into two types: ordinary differentials and limited-slip differentials. Ordinary differentials tend to slip on one side of the wheel or lift off the ground when the vehicle brakes too hard, accelerates too fast, or turns too fast. Especially when the road surface is slippery after rain or the roa...

Claims

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Application Information

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IPC IPC(8): F16H48/32F16H48/11F16H48/40
CPCF16H48/11F16H48/22F16H48/32F16H48/40
Inventor 张晋西谭宇文袁腾飞程亭森
Owner CHONGQING UNIV OF TECH
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