Energy recycling valve group and hydraulic excavator
A hydraulic excavator, energy recovery technology, applied in mechanical equipment, servo motor components, fluid pressure actuating devices, etc., can solve problems such as waste of potential energy when the boom is lowered, reduce the output flow of the main pump, and cause cavitation. The operability and stability, the effect of ensuring the smooth operation and effective recovery
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[0032] The technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0033] In the description of the present invention, it should be understood that the terms "center", "transverse", "longitudinal", "front", "rear", "left", "right", "upper", "lower", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplifie...
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