An electronically controlled hydraulic system of a loader and the loader

A technology of hydraulic system and loader, which is applied in the directions of fluid pressure actuation system components, mechanical equipment, fluid pressure actuation devices, etc., can solve problems such as inapplicability, and achieve the effect of satisfying remote control, reducing manufacturing costs, and getting rid of dependence.

Active Publication Date: 2022-04-15
XCMG CONSTR MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hydraulic system of domestic loaders is still mainly a quantitative hydraulic system, and the existing electronically controlled hydraulic system is not applicable

Method used

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  • An electronically controlled hydraulic system of a loader and the loader
  • An electronically controlled hydraulic system of a loader and the loader
  • An electronically controlled hydraulic system of a loader and the loader

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 , figure 2 As shown, an electronic control hydraulic system of a loader includes a hydraulic device and an electric control device, and the electric control device is connected in parallel with the hydraulic device; in the manual mode, the loader is controlled by the hydraulic device; in the electronic control mode, the loader is controlled by the electric The control device and the hydraulic device are jointly controlled.

[0025] The hydraulic device includes a gear pump 1, a multi-way valve 2, a flow amplification valve 3, a pilot valve 4, a pilot oil source valve 5, and a steering gear 6. The electric control device includes an electric proportional pressure reducing valve 7 and a flow control valve 8; the switch valve, It is used to switch between manual mode and electronic control mode. When the on-off valve is closed, it is in manual mode. The driver manipulates the pilot valve 4 and steering gear 6. When the on-off valve is on, the hydraulic s...

Embodiment 2

[0036] Based on the electronically controlled hydraulic system of the loader described in the first embodiment, this embodiment provides a loader configured with the electronically controlled hydraulic system of the loader described in the first embodiment.

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PUM

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Abstract

The invention discloses a loader electric control hydraulic system and a loader in the field of loader technology. The loader electric control hydraulic system includes a hydraulic device and an electric control device, and the electric control device is connected in parallel with the hydraulic device; Under the control mode, the loader is controlled by the hydraulic device; in the electric control mode, the loader is controlled by the electric control device and the hydraulic device, and the electric control can be realized without changing the overall structure of the existing hydraulic device. Machine remote control, unmanned; all the modified parts are all localized, which reduces the manufacturing cost and gets rid of the dependence on imported parts.

Description

technical field [0001] The invention belongs to the technical field of loaders, and in particular relates to an electronically controlled hydraulic system of a loader and the loader. Background technique [0002] In the prior art, the electronic control of the hydraulic system of the loader mainly adopts the electronically controlled multi-way valve and the electronically controlled steering gear, and its main components such as the electronically controlled multi-way valve, the electronically controlled steering gear, the flow amplification valve, and the electric handle are all imported components And they are full-variable hydraulic systems for loaders, the cost is relatively high, and the domestic technology is still immature. According to the status quo of domestic loaders, with the rapid development of information technology, the demand for remote control and unmanned construction machinery is gradually increasing, but the existing technology still relies on imported c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B11/17F15B13/02F15B21/08
CPCF15B11/17F15B13/025F15B13/02F15B21/08
Inventor 孙志远乔战战张安民马鹏鹏
Owner XCMG CONSTR MACHINERY
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