Steering load sensing type multi-way valve for steering priority system

The utility model mainly relates to the technical field of hydraulic control elements, and provides a steering load sensing type multi-way valve for a steering priority system, which comprises an oil inlet P connected with an oil inlet channel; the oil return port T is connected with an oil return c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: QI FENGTING, DU QINGSONG, CUI GUODONG, HAN YONGSONG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model mainly relates to the technical field of hydraulic control elements, and provides a steering load sensing type multi-way valve for a steering priority system, which comprises an oil inlet P connected with an oil inlet channel; the oil return port T is connected with an oil return channel; the PF port is connected with a shunting oil duct; the multi-way reversing valve is used for supplying oil to the working oil port through oil inlet of the middle-position oil duct; the device further comprises a load sensing port LS and a slide valve. One end of the spring side of a valve element of the sliding valve is communicated with the LS oil duct through a first control oil duct, and the non-spring side of the valve element of the sliding valve is communicated with the LS oil duct through a second control oil duct. Power loss caused by excessive oil supply of a steering oil way is eliminated, and the system efficiency is improved. 本实用新型主要涉及液压控制元件的技术领域,提供了一种用于转向优先系统的转向负荷传感型多路阀,包括进油口P,连接有进油油道;回油口T,连接有