Hydraulic energy-saving device of engineering plant, control method and excavator
A technology of construction machinery and energy-saving devices, which is applied to earth movers/excavators, construction, etc., can solve problems such as excessive generator stall, generator flameout, and power waste, so as to improve utilization rate and reduce stall Effect
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[0024] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0025] Such as figure 1 As shown, the embodiment of the present invention provides a construction machinery hydraulic energy-saving device, including a power control proportional valve, a controller, and an information collection module, and the power control proportional valve and the information collection module are respectively connected to the controller. Wherein, the information collection module includes a sensor for collecting gear position information.
[0026] A control method for a hydraulic energy-saving device of construction machinery, comprising the following steps,
[0027] Set the power valve current of each gear when the excavator is working normally. Specifically, you can turn the throttle knob to the highest gear, ...
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