Load sensitive system and engineering hoisting machinery

The invention relates to a load sensitive technology, and discloses a load sensitive system which comprises a pumping device connected with an engine and a downstream compensation load sensitive multi-way valve, and the pumping device is connected with a plurality of executing mechanisms through the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JIANG LIN, LI LINYAN, LUO YANRE, GUO KUN, CUI YUYUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a load sensitive technology, and discloses a load sensitive system which comprises a pumping device connected with an engine and a downstream compensation load sensitive multi-way valve, and the pumping device is connected with a plurality of executing mechanisms through the downstream compensation load-sensitive multi-way valve; a maximum load pressure feedback port of the pumping device is connected to the downstream compensation load sensitive multi-way valve so as to control the flow of the pumping device according to the maximum load pressure fed back by the downstream compensation load sensitive multi-way valve; and the load sensitive system further comprises a control unit used for controlling the output pressure of a plurality of pressure control devices, and the pressure control devices are connected with the executing mechanisms in a one-to-one correspondence mode through the downstream compensation load sensitive multi-way valve so as to control the flow of hydraulic oil fl