Support cylinder as well as support means and crane having the same

The invention discloses a support cylinder used for supporting an outrigger of a crane. The support cylinder is provided with a hollow cavity which is matched with a cylinder rod; the upper wall of the support cylinder is provided with a first oil hole leading to a stockless cavity of the support cy...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG LIQUN, NIU CHENG, WU QISHENG, ZHAO XIUDE, YU YUE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CRANES DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HAULING HEATING HOISTING HYDRAULICS OR PNEUMATICS IN GENERAL LIFTING LIGHTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES MECHANICAL ENGINEERING PERFORMING OPERATIONS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a support cylinder used for supporting an outrigger of a crane. The support cylinder is provided with a hollow cavity which is matched with a cylinder rod; the upper wall of the support cylinder is provided with a first oil hole leading to a stockless cavity of the support cylinder; the cylinder wall of the support cylinder is provided with a second oil hole leading to a stocked cavity of the support cylinder; the second oil hole comprises a first longitudinal oil hole and a first transverse oil hole on the upper wall of the support cylinder as well as a second longitudinal oil hole and a second transverse oil hole on the lateral wall of the support cylinder; the first longitudinal oil hole, the first transverse oil hole, the second longitudinal oil hole and the second transverse oil hole are communicated in sequence; the first longitudinal oil hole leads to the outside of the support cylinder; the second transverse oil hole is communicated with the stocked cavity of the support cylind