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Hydraulic differential control system used for vehicles

A control system, hydraulic differential technology, applied in control devices, vehicle components, transportation and packaging, etc., can solve the problems of high cost and complicated control, and achieve the effect of cost saving and simple structure

Active Publication Date: 2020-02-04
江苏军源装备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the differential speed control system automatically adapted by the hydraulic system still has the problems of complicated control and high cost.

Method used

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  • Hydraulic differential control system used for vehicles
  • Hydraulic differential control system used for vehicles
  • Hydraulic differential control system used for vehicles

Examples

Experimental program
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Embodiment Construction

[0027] see Figure 1-8 As shown, a hydraulic differential control system for vehicles includes a first travel motor 10a, a second travel motor 10b, a digital controller 200, a first rotational speed sensor 101, a second rotational speed sensor 102, and a closed hydraulic pump 9 , charge oil pump 8, fuel tank 10, hydraulic differential speed control valve 300, wherein said first travel motor 10a and second travel motor 10b are quantitative motors; said first travel motor 10a is equipped with a first brake 103, so A second brake 104 is installed on the second travel motor 10b; the first speed sensor 101 is used to detect the speed of the first travel motor 10a, and the second speed sensor 102 is used to detect the speed of the second travel motor 10b, The first speed sensor 101, the second speed sensor 102, and the hydraulic differential control valve 300 are all electrically connected to the digital controller 200; the P port of the hydraulic differential control valve 300 is c...

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Abstract

The invention discloses a hydraulic differential control system used for vehicles. The hydraulic differential control system comprises a first walking motor, a second walking motor, a digital controller, a first rotating speed sensor, a second rotating speed sensor, a closed hydraulic pump, an oil supplementation pump, an oil tank and a hydraulic differential control valve. A first brake is installed on the first walking motor, and a second brake is installed on the second walking motor. The first rotating speed sensor, the second rotating speed sensor and the hydraulic differential control valve are all electrically connected with the digital controller. A port P of the hydraulic differential control valve communicates with an oil outlet of the closed hydraulic pump, a port B communicateswith an oil inlet of the first walking motor, a port A communicates with an oil inlet of the second walking motor, an oil inlet of the closed hydraulic pump communicates with an oil outlet of the first walking motor and an oil outlet of the second walking motor, and an oil inlet of the oil supplementation pump communicates with the oil tank. The hydraulic differential control system used for thevehicles is simple in structure and low in manufacture cost, and slipping prevention and walking motor air suction prevention can be achieved.

Description

technical field [0001] The invention belongs to the technical field of vehicle control, and in particular relates to a hydraulic differential control system for vehicles. Background technique [0002] At present, there must be a problem of differential speed control in the walking mobile equipment, that is, during the walking process of the walking mobile equipment, the equipment travels in a straight line, the equipment turns, and the equipment travels through the slipping area. At the same time, there are currently two main driving modes for walking mobile equipment: mechanical transmission drive and static pressure drive. For the differential speed control problem of mechanically driven vehicles, generally, a differential gear is installed inside the drive axle, and a differential lock structure is installed at the same time, so as to meet the above-mentioned related actual driving requirements. For static pressure driven vehicles, the driving differential speed of the v...

Claims

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Application Information

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IPC IPC(8): B60K17/16B60K17/10
CPCB60K17/10B60K17/16
Inventor 不公告发明人
Owner 江苏军源装备制造有限公司
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