Turn flow type hydraulic limited slip differential

A limited-slip differential, hydraulic technology, applied in the direction of differential transmission, belt/chain/gear, mechanical equipment, etc., can solve the problem of hydraulic oil leakage and recovery, achieve controllable locking coefficient, improve dynamic performance and Passable, compact effect

Inactive Publication Date: 2012-12-19
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies of the existing differentials, the present invention proposes a return type hydraulic limited-slip differential. The limited-slip differential only produces a limited-slip differential when the drive wheels on both sides are on an

Method used

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  • Turn flow type hydraulic limited slip differential
  • Turn flow type hydraulic limited slip differential
  • Turn flow type hydraulic limited slip differential

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Embodiment Construction

[0037] The return type hydraulic limited-slip differential of the present invention mainly includes a casing, a differential mechanism, a limited-slip friction pair, an annular piston, an oil delivery plate and the like. Figure 1 to Figure 13 The structure of one embodiment of the present invention is shown, and will be described in detail below.

[0038] exist Figure 1 to Figure 13 In the shown structure, the casing of the return type hydraulic limited-slip differential of the present invention is composed of a left casing 2 , a middle casing 7 , and a right casing 15 . Wherein, the left housing 2 is provided with a central hole 39 and a semicircular positioning groove 36; the middle housing 7 is recessed on both sides, and a web 42 with a central hole 44 is provided inside, and the left side of the middle housing 7 is provided with There are positioning grooves 43, and the inner side of the right peripheral edge of the middle housing 7 is provided with some axial grooves ...

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Abstract

The invention discloses a turn flow type hydraulic limited slip differential which comprises a shell, a differential mechanism and a limited slip friction pair. The differential mechanism and the limited slip friction pair are located in the shell. The turn flow type hydraulic limited slip differential further comprises a circular piston and an oil conveying disc. The shell is internally provided with a circular groove. The circular piston is placed in the circular groove. The oil conveying disc is installed on the shell. The shell rotates coaxially with the oil conveying disc. The oil conveying disc is provided with a circular oil inlet groove. The shell is internally provided with an oil inlet channel which communicates the circular groove with the circular oil inlet groove so that high pressure oil from a hydraulic system enters the circular groove through the circular oil inlet groove and the oil inlet channel so as to push the circular piston to compress the limited slip friction pair. The oil conveying disc is further provided with a circular oil return groove. High pressure oil leaked at a gap between the oil conveying disc and the shell returns to the hydraulic system through the circular oil return groove. The compressing force of the limited slip friction pair is controllable and adjustable. The hydraulic operating mechanism of the differential is small in size, and the pressure oil leaked can be recycled, so that the pressure oil is prevented from being leaked out of the differential.

Description

technical field [0001] The invention relates to a backflow plate type hydraulic limited-slip differential, which is mainly used in vehicles, wheeled engineering machinery and wheeled military equipment, and belongs to the field of mechanical engineering. Background technique [0002] The differential is an important part of the vehicle's power transmission system and plays a very important role in the vehicle. The initial function of the ordinary differential is to satisfy the pure rolling driving of the wheels on both sides as far as possible when the speed of the left and right driving wheels is inconsistent under the working conditions such as turning, so as to reduce the driving resistance and tire wear. Ordinary differentials are mainly composed of housings, planetary gear shafts, planetary gears and side gears. Its characteristic is that the differential speed is not bad, that is to say, if the influence of internal friction is not considered, the left and right h...

Claims

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Application Information

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IPC IPC(8): F16H48/06F16H48/22F16H48/32
Inventor 吴跃成吴婷婷竺志超毛永波李闯
Owner ZHEJIANG SCI-TECH UNIV
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