High-strength quakeproof prefabricated stair

A high-strength quakeproof prefabricated stair comprises a platform, a stair body and a connecting cover, and one end of the platform is detachably connected with the upper end of the stair body; a first connecting block is arranged on the platform, a second connecting block is arranged on the stair...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XING YAOYAO, ZHAO YUMIN, WANG HAIRONG, CHEN CHANGZHENG, SHEN YIPENG, MA YANHAO, LI ZENGJIE, JIANG LEI, GU ZHENGYANG, XU YOUWAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING CEILINGS FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS ROOFS WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	A high-strength quakeproof prefabricated stair comprises a platform, a stair body and a connecting cover, and one end of the platform is detachably connected with the upper end of the stair body; a first connecting block is arranged on the platform, a second connecting block is arranged on the staircase, the first connecting block and the second connecting block are perpendicular to each other, and a first groove and a second groove which are matched with each other are formed in the middle of the first connecting block and the middle of the second connecting block; four third connecting blocks are arranged on the connecting cover, the positions of the four third connecting blocks are located at four corners divided after the first connecting block and the second connecting block are combined, and the first connecting block, the second connecting block and the third connecting blocks are adaptively connected in an interference fit mode; and elastic pads are arranged on the side surfaces of the first connectin