Engineering machinery air storage tank automatic drainage device and automatic drainage control method

A construction machinery and automatic drainage technology, which is applied in the field of construction machinery, can solve problems such as leakage of drainage and manual operation by personnel, and achieve the effects of eliminating leakage of drainage, ensuring timeliness, and improving stability and reliability

Inactive Publication Date: 2014-09-24
GUANGXI LIUGONG MASCH CO LTD
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Problems solved by technology

[0003] The purpose of the present invention is to provide an automatic drainage device for construction machinery gas storage tanks and construction machinery gas storage tanks with automatic drainag...

Method used

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  • Engineering machinery air storage tank automatic drainage device and automatic drainage control method

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Embodiment Construction

[0016] The specific implementation will be described below in conjunction with the accompanying drawings.

[0017] Such as figure 1 As shown, the automatic drainage device of the construction machinery air storage tank includes an air storage tank 3, a controller 2, a machine working time collector 1 and an air humidity sensor 4, and an electromagnetic valve 5 is arranged on the air storage tank, and the electromagnetic valve 5 is Two-position two-way valve, the inlet P port of the valve is connected to the drain port of the gas storage tank 3, the outlet T port of the valve is connected to the atmosphere, the normal position of the solenoid valve is the cut-off position, no drainage; after triggering, it is the working position, and the The water in the air tank is vented to the atmosphere. The air humidity sensor 4 is arranged on the air storage tank to detect the humidity of the air in the air storage tank, and transmits the collected humidity signal to the controller 2 th...

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Abstract

The invention relates to an engineering machinery air storage tank automatic drainage device and an automatic drainage control method and aims to solve the problem that the drainage operation is inconvenient in a conventional engineering machinery air storage tank. According to the air storage tank automatic drainage device, a sensor acquires mechanical parameters and transmits the mechanical parameters to a controller; the controller receives a parameter signal, makes judgment that whether water needs to be drained or not and transmits a draining electric signal when the water needs to be drained; a drainage valve is arranged on the air storage tank to receive the draining electric signal which is sent by the controller and executes the drainage action. The sensor is used for checking to acquire the drainage parameter indicating the drainage action, the controller calculates and controls whether the water needs to be drained through drainage valve, automatic drainage is realized, the drainage timeliness and reliability can be well guaranteed, manual leakage and drainage is eliminated, dried gas in the air storage tank is fundamentally guaranteed, and the stability and reliability of a braking system are greatly improved.

Description

technical field [0001] The invention relates to engineering machinery, in particular to an automatic drainage device for an air storage tank of the engineering machinery and a control method for the automatic drainage. Background technique [0002] Construction machinery such as loaders are often equipped with an air storage tank (air tank) as an energy storage device to store a certain amount of potential energy, which is used for mechanical braking. The machine compresses air into the air storage tank during the working process, and the moisture in the air moves along with the air It is compressed and condenses in the air tank. In order to prevent excessive water vapor in the gas storage tank from corroding the steel pipe in the brake pipeline, in severe cases, it will cause air leakage from the steel pipe, affecting the braking performance of the whole machine and driving safety; construction machinery requires the user to regularly drain the gas storage tank . However,...

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Application Information

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IPC IPC(8): F17C13/00F17C13/02
Inventor 卢金龙王涛林建荣莫艳芳王利娟蓝任重毕道坤陈继炯陈礼光段传栋
Owner GUANGXI LIUGONG MASCH CO LTD
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