Tube well ladder stand support

The utility model discloses a tube well ladder stand support and belongs to the field of underground tube well operation construction. Comprising a top beam (1), inclined struts (2), a bottom beam (3), bolts (4) and lifting lugs (5). The four inclined struts (2) are welded to the two sides of the tw...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG RUI, ZHANG YUHENG, LEI YANHUI, GAO AIHUI, GAO ZENGYUE, SHAN GANGGANG, MA XIAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS LADDERS
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