Static pressure transmission system of eight-wheel vehicle

A transmission system and vehicle technology, applied to vehicle components, braking transmissions, brakes, etc., can solve problems such as poor transmission stability, low transmission efficiency, and large noise, and achieve reduced parasitic power, strong off-road capability, and advanced system technology Effect

Inactive Publication Date: 2013-12-04
ARCHITECTURAL ENG INST GENERAL LOGISTICS DEPT P L A
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gear transmission has the advantages of simple structure, low cost and high transmission efficiency, but it can only complete step speed regulation, which has the problems of large noise and poor transmission stability; the hydraulic torque converter transmission system has stable and low noise, and can realize stepless The advantage of variable speed, but the transmission efficiency is low

Method used

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  • Static pressure transmission system of eight-wheel vehicle
  • Static pressure transmission system of eight-wheel vehicle
  • Static pressure transmission system of eight-wheel vehicle

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Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0028] refer to Figure 1 to Figure 5 As shown, a hydrostatic transmission system of an eight-wheeled vehicle includes a stepless speed regulation system, a synchronous drive system of a hydrostatic transmission, a time-sharing drive system of a hydrostatic transmission and a braking system;

[0029] The stepless speed regulation system includes the main oil circuit driven by the double piston variable variable pump, the control oil circuit driven by the charge pump, the controller and the sensor, the sensor collects the pressure of the main oil circuit of the system and the engine speed, and the controller sends The signal constantly changes the position of the swashplate of the variable displacement pump in the double variable plunger pump, and changes the displacement of the variable varia...

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Abstract

The invention discloses a static pressure transmission system of an eight-wheel vehicle. The static pressure transmission system of the eight-wheel vehicle comprises a stepless speed regulating system, a static pressure transmission synchronous drive system, a static pressure transmission time-share drive system and a brake system. The stepless speed regulating system comprises a main oil way driven by a duplex plunger variable pump, a control oil way driven by an oil compensation pump, a controller and a sensor. The static pressure transmission synchronous drive system comprises a left side splitter and a right side splitter, wherein the left side splitter and the right side splitter are connected with the duplex plunger variable pump. The static pressure transmission time-share drive system comprises a drive switch valve, an oil controlled valve and a cartridge valve. The brake system comprises hydraulic brakes integrated on motors at the two ends. Through the fact that the stepless speed regulating system, the time-share drive system, the synchronous control system and the parking brake system are designed, the static pressure transmission system of the eight-wheel vehicle effectively solves the problems of synchronous control, power matching and stepless speed regulating in the application of the static pressure technology in transmission systems of vehicles.

Description

technical field [0001] The invention belongs to the technical field of vehicle static pressure transmission, and relates to a static pressure transmission system of an eight-wheel vehicle. Background technique [0002] The drive transmission system of existing engineering vehicles mainly includes three types: gear transmission, hydraulic torque conversion transmission and static pressure transmission. Gear transmission has the advantages of simple structure, low cost and high transmission efficiency, but it can only complete step speed regulation, which has the problems of high noise and poor transmission stability; the hydraulic torque converter transmission system has stable and low noise, and can realize stepless The advantage of variable speed, but the transmission efficiency is low. Hydrostatic transmission has the advantages of light weight, compact structure, easy layout, simple control, and stable operation. It can better meet harsh working conditions such as load, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K17/10B60K17/34B60K23/08B60T13/12
Inventor 姚凯田新民侯忠明高勇王胜军
Owner ARCHITECTURAL ENG INST GENERAL LOGISTICS DEPT P L A
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