Control valve group for hydraulic hoist

The utility model relates to a control valve group for a hydraulic hoist, which comprises a main pipeline, a convenient adjusting device and a convenient maintaining device are arranged on the main pipeline, the convenient adjusting device comprises a valve body, a thread bushing, a moving rod, a st...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YUAN JIWU, LI GUILUAN, YUAN TONG, XIE DEMEI, YUAN CHANGMAO, GUO HUANQIN, JIANG HUACHUAN, GUO HUANDI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model relates to a control valve group for a hydraulic hoist, which comprises a main pipeline, a convenient adjusting device and a convenient maintaining device are arranged on the main pipeline, the convenient adjusting device comprises a valve body, a thread bushing, a moving rod, a stop block and a flow stopping seat, the valve body is arranged on the main pipeline, the thread bushing is in threaded connection with the valve body, the moving rod is arranged in the thread bushing, and the stop block is arranged on the moving rod. The movable rod and the threaded sleeve are connected in a sliding mode, a check block is installed on the movable rod, a flow stopping seat is installed in the valve body, a flowing hole is formed in the flow stopping seat, and the check block is attached to the flowing hole. Due to the fact that the check block is connected to the movable rod, and the two ends of the spring are connected to the fixed disc and the movable disc respectively, when the pressure of the pre