Hydraulic support device used for drop-and-pull transport semitrailer

The invention discloses a hydraulic support device used for a drop-and-pull transport semitrailer. The hydraulic support device comprises a hydraulic oil cylinder and a supporting foot, rear connecting plates are arranged on the side face of the hydraulic oil cylinder, the hydraulic oil cylinder is...

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Bibliographische Detailangaben
Hauptverfasser:	WANG YECHANG, ZHANG HAIPENG, JI CHUNXIA, JIA LIANXI, WANG LICHUN, FENG BING, JIANG WEI, MIAO HAITIAN, WANG XIAOMAN
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, ORMANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention discloses a hydraulic support device used for a drop-and-pull transport semitrailer. The hydraulic support device comprises a hydraulic oil cylinder and a supporting foot, rear connecting plates are arranged on the side face of the hydraulic oil cylinder, the hydraulic oil cylinder is a double-acting hydraulic oil cylinder, a piston rod of the hydraulic oil cylinder is of a solid structure, the rear connecting plates are thickened steel plates, arc grooves are formed in the rear connecting plates for being matched with the hydraulic oil cylinder, and a telescopic part of the hydraulic oil cylinder is sleeved with a durable telescopic rubber pipe. According to the device, the hydraulic power is utilized, the ascending and descending speed is fast, the power is large, and the welding strength between the connecting plates and the oil cylinder is guaranteed.