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Loader electronic-control-handle steering and intelligent-braking control system

A technology of braking system and braking control, which is applied in the direction of electric steering mechanism, fluid steering mechanism, automatic starting device, etc. It can solve the problems of vehicle overturning and braking not in time, achieve small energy loss, prevent accidents, and enhance safety factor Effect

Inactive Publication Date: 2015-10-14
XCMG CONSTR MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When making an emergency turn or avoiding obstacles at high speed, due to the inherent characteristics of the driver's failure to brake in time and high center of gravity and large inertia, the vehicle may roll over or fail to avoid safety accidents in time

Method used

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  • Loader electronic-control-handle steering and intelligent-braking control system
  • Loader electronic-control-handle steering and intelligent-braking control system
  • Loader electronic-control-handle steering and intelligent-braking control system

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Embodiment Construction

[0031] exist figure 1 Among them, the electric control handle steering and intelligent braking control system of the loader includes a steering pump 1 and a hydraulic oil tank 2, the oil inlet of the working pump 1 is connected to the hydraulic oil tank 2, and the oil outlet of the working pump 1 is connected to the electro-hydraulic proportional flow amplifying valve 13 The oil inlet P is connected, the electro-hydraulic proportional flow amplifying valve 13 is respectively connected with the steering cylinder 12, the PF port of the electro-hydraulic proportional flow amplifying valve 13 is connected with the unloading valve 16, and the EF port of the unloading valve 16 is connected with the working system. The a port of the charge valve 16 is connected with the b1 port of the distribution valve, the R1 and L1 ports of the electro-hydraulic proportional flow amplification valve 13 are connected with the ECU control box 8, and the pressure sensor 9 is installed in the large c...

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Abstract

The invention discloses a loader electronic-control-handle steering and intelligent-braking control system. The loader electronic-control-handle steering and intelligent-braking control system comprises a braking system and a steering system, and further comprises an ECU control box. The ECU control box is connected with a connecting force feedback motor, an electronic control handle, a pressure sensor, a hinged-vehicle-frame angular displacement sensor, a vehicle speed sensor, an electromagnetic directional valve and an electric-hydraulic proportion flow amplifier valve. By means of the loader electronic-control-handle steering and intelligent-braking control system, original steering-wheel hydraulic steering is replaced by electronic control handle steering, the loader electronic-control-handle steering and intelligent-braking control system is efficient, energy is saved, energy losses are small, and the labor intensity is low; an original hydraulic control flow amplifier valve is replaced by the electric-hydraulic proportion flow amplifier valve, and therefore the amplification proportion is adjustable; the left-right steering characteristics are coincident, and therefore the whole-machine work stability and the whole-machine work comfort are improved; as the vehicle active braking function is added, the vehicle traveling safety is improved, accidents are avoided, and the operation safety is guaranteed.

Description

technical field [0001] The invention relates to a loader electric control handle steering and intelligent braking control system. Background technique [0002] The current loader steering system generally uses a hydraulic steering gear and a hydraulically controlled flow amplifying valve, and the steering of the loader is controlled by turning the steering wheel. However, this system has disadvantages such as high labor intensity, inconsistent left and right steering characteristics, no road feeling, and too sensitive steering when driving at high speed. [0003] Although the steering speed of the flow amplification steering system is related to the speed of the steering wheel, that is, the speed of the steering wheel is fast, the steering speed is fast, the speed of the steering wheel is slow, and the speed of the steering is also slow, but at the fastest speed of the steering wheel, the driver also needs to turn the steering wheel It takes about three turns to make the lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04B62D5/06B60T7/12
Inventor 马鹏鹏任大明谢朝阳赵梅邱楚然王苏东
Owner XCMG CONSTR MACHINERY
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