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Automatic boosting device and automatic boosting method for excavator

An automatic booster and excavator technology, which is applied to earth movers/shovels, construction, etc., can solve the problems of excavator digging labor, affecting production efficiency, and increasing labor intensity of operators, so as to improve response accuracy and reduce The effect of workload

Active Publication Date: 2012-07-11
QINGDAO LOVOL EXCAVATOR
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Problems solved by technology

[0004] However, it is understandable that since the above-mentioned boosting operation depends on the actions of the excavator operator, the operator needs to pay attention to the working conditions of the excavator at any time in order to choose the right time to perform the boosting action, which will inevitably increase the labor intensity for the operator. ; Moreover, if the operator forgets to press the boost button switch due to fatigue or other reasons, it will cause the excavator to dig hard or even fail to dig normally when encountering a heavy load, seriously affecting production efficiency

Method used

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  • Automatic boosting device and automatic boosting method for excavator
  • Automatic boosting device and automatic boosting method for excavator
  • Automatic boosting device and automatic boosting method for excavator

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[0020] See attached figure 1 , which is a schematic diagram of an excavator booster device in the prior art. During use, the excavator operator manually presses the boost button on the operating handle. When the boost button is pressed, the boost relay acts, causing the boost solenoid valve to be energized, thereby controlling the pressure of the main valve to increase.

[0021] See attached figure 2 , which describes a preferred embodiment of the excavator automatic booster device according to the present invention. Including the controller, boost solenoid valve and pressure sensor. The boost solenoid valve is connected in series between the overflow valve of the main valve of the excavator and the hydraulic return line of the excavator. When it is opened, the main valve of the excavator normally overflows. Therefore, the working pressure of the main valve is limited. When it is closed, the overflow of the overflow valve is hindered, so that the working pressure of the mai...

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Abstract

The invention discloses an automatic boosting device for an excavator. The device comprises a controller, a boosting electromagnetic valve and a pressure sensor, wherein the boosting electromagnetic valve is connected in series between an overflow valve of a main valve of the excavator and a hydraulic liquid return pipeline of the excavator, the pressure sensor is arranged on a main pump of the excavator, the controller monitors the pressure of the main pump of the excavator through the pressure sensor, and turning-on and turning-off of the boosting electromagnetic valve are controlled by the controller.

Description

technical field [0001] The invention relates to an excavator booster and its use method, in particular to an excavator automatic booster with a pressure sensor and its use method. Background technique [0002] Excavator, also known as excavating machinery (excavating machinery), is an earth-moving machine that uses buckets to dig materials higher or lower than the bearing surface, and loads them into transport vehicles or unloads them into stockyards. The excavated materials are mainly soil, coal, silt, and pre-loosened soil and rock. Excavators are one of the most important types of construction machinery in engineering construction, and they work in many engineering environments. Because the working construction environment is often complex, the hardness and strength of the materials excavated by excavators vary greatly. Even at the same excavation site, the parameters of materials will be different. In this case, in order to increase the digging force of the excavator, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F9/22
Inventor 赵志刚王桂民王伟先张军荣王相刚蔡飞陈会君夏金铃雷阳卢玉良刘晓磊
Owner QINGDAO LOVOL EXCAVATOR
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