Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Safety crawling ladder structure of tower crane
The invention discloses a safety crawling ladder structure of a tower crane. The safety crawling ladder structure comprises a crawling ladder frame arranged on a tower crane support frame, and pedaling rods which are arranged on the crawling ladder frame and are used for climbing, wherein hinged shafts are arranged at the upper and lower ends of steel pipes on two sides of the crawling ladder frame; two upper swing rods and two lower swing rods are respectively and rotationally arranged on two sides of the top end and two sides of the bottom end of the crawling ladder frame by virtue of the hinged shafts; the free ends of the upper and lower swing rods are respectively hinged to the upper and lower ends of two longitudinal connecting rods; the top ends and bottom ends of the two longitudinal connecting rods are respectively connected by virtue of two transverse connecting rods; the joints of the two ends of the transverse connecting rods and the longitudinal connecting rods are of hinged structures; the safety crawling ladder structure also comprises safety ropes which are arranged along the height direction of the longitudinal connecting rods at intervals; the safety ropes sequentially pass through one end of the crawling ladder frame; and the longitudinal connecting rods at the end and the longitudinal connecting rods at the other end are finally fixed at the other end of the crawling ladder frame.
Safety crawling ladder structure of tower crane
The invention discloses a safety crawling ladder structure of a tower crane. The safety crawling ladder structure comprises a crawling ladder frame arranged on a tower crane support frame, and pedaling rods which are arranged on the crawling ladder frame and are used for climbing, wherein hinged shafts are arranged at the upper and lower ends of steel pipes on two sides of the crawling ladder frame; two upper swing rods and two lower swing rods are respectively and rotationally arranged on two sides of the top end and two sides of the bottom end of the crawling ladder frame by virtue of the hinged shafts; the free ends of the upper and lower swing rods are respectively hinged to the upper and lower ends of two longitudinal connecting rods; the top ends and bottom ends of the two longitudinal connecting rods are respectively connected by virtue of two transverse connecting rods; the joints of the two ends of the transverse connecting rods and the longitudinal connecting rods are of hinged structures; the safety crawling ladder structure also comprises safety ropes which are arranged along the height direction of the longitudinal connecting rods at intervals; the safety ropes sequentially pass through one end of the crawling ladder frame; and the longitudinal connecting rods at the end and the longitudinal connecting rods at the other end are finally fixed at the other end of the crawling ladder frame.
Safety crawling ladder structure of tower crane
WANG LEMIN (Autor:in) / WANG HANYU (Autor:in)
20.05.2015
Patent
Elektronische Ressource
Englisch
Crawling ladder clasping device and safety crawling ladder
| Europäisches Patentamt | 2021