Telescopic stair

The utility model provides a telescopic stair. The telescopic stair comprises a U-shaped mounting seat, a fixing plate is fixedly welded to the rear end face of the U-shaped mounting base, a base plate is fixedly mounted on the inner wall of the bottom of the U-shaped mounting base, and a rotating s...

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Bibliographische Detailangaben
Hauptverfasser:	YANG MAN, ZHENG XUEYU, CHEN YAN, YUAN QIANG, WANG QIAN, PENG JILE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING
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Beschreibung
Zusammenfassung:	The utility model provides a telescopic stair. The telescopic stair comprises a U-shaped mounting seat, a fixing plate is fixedly welded to the rear end face of the U-shaped mounting base, a base plate is fixedly mounted on the inner wall of the bottom of the U-shaped mounting base, and a rotating shaft and a fixing rod are fixedly connected to the two parallel edges of the U-shaped mounting basein sequence. A hydraulic cylinder inclining downwards is fixedly installed on the base plate, and a rotary connecting base is fixedly installed at the output end of the hydraulic cylinder. The rotating shaft is sleeved with a rotating connecting rod, one end of the rotating connecting rod is rotationally connected with the rotating connecting base, and the other end of the rotating connecting rodis rotationally connected with a pushing rod; pedals are fixedly installed on the fixing rods, the two sides of each pedal are rotationally connected with the pushing rods through first installation rods respectively, a plural