Hydraulic valve for coil cable insertion

The utility model relates to a hydraulic valve for coil cable insertion, comprising an overflow valve, a guide type overflow valve, a one-way valve, a two-position three-way liquid control reversing valve, a damping hole and a remote pressure regulating valve which are arranged on a coil cable hydra...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GAN LIHENG, WANG YOUHE, WANG ZHIFANG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model relates to a hydraulic valve for coil cable insertion, comprising an overflow valve, a guide type overflow valve, a one-way valve, a two-position three-way liquid control reversing valve, a damping hole and a remote pressure regulating valve which are arranged on a coil cable hydraulic valve body. The coil cable hydraulic valve body is further provided with a load sensitive control oil port, a pressure oil port, a return oil port and an oil tank working oil port; the guide type overflow valve, the two-position three-way liquid control reversing valve and the one-way valve are connected in parallel; the remote pressure regulating valve is connected with the remote control port of the guide type overflow valve in series; the two-position three-way liquid control reversing valve, the damping hole and the overflow valve are connected in series; and a choke one-way valve and the one-way valve are reversely connected in parallel. The hydraulic valve for coil cable insertion disclosed by the utilit