Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Novel vertical shaft safety ladder
The invention relates to a novel vertical shaft safety ladder. The novel vertical shaft safety ladder comprises a climbing ladder, a fixed frame arranged at the bottom end of the climbing ladder, an anti-dropping frame which is fixedly arranged at the top end of the climbing ladder, and a supporting rod which is arranged at the inner side of the fixed frame, wherein the fixed frame is shaped like a Chinese character 'Tu' with an opening in the lower end; the fixed frame comprises a U-shaped frame at the upper part and a clamping frame connected with the U-shaped frame; the U-shaped frame and two side beams of the climbing ladder are flexibly connected by shafts; the transverse size of the clamping frame is greater than the diameter of a well head; one end of the supporting rod is flexibly connected with the U-shaped frame by a shaft; a through hole is formed in the movable end of the supporting rod; the side beams of the climbing ladder are provided with positioning holes corresponding to the through hole; the through hole is connected with the positioning holes by pins; and the two ends of the anti-dropping frame are fixedly connected with the two side beams of the climbing ladder. The novel vertical shaft safety ladder has a simple structure and is convenient to use, and the safety and the convenience can be improved when a constructor climbs a vertical shaft for construction.
Novel vertical shaft safety ladder
The invention relates to a novel vertical shaft safety ladder. The novel vertical shaft safety ladder comprises a climbing ladder, a fixed frame arranged at the bottom end of the climbing ladder, an anti-dropping frame which is fixedly arranged at the top end of the climbing ladder, and a supporting rod which is arranged at the inner side of the fixed frame, wherein the fixed frame is shaped like a Chinese character 'Tu' with an opening in the lower end; the fixed frame comprises a U-shaped frame at the upper part and a clamping frame connected with the U-shaped frame; the U-shaped frame and two side beams of the climbing ladder are flexibly connected by shafts; the transverse size of the clamping frame is greater than the diameter of a well head; one end of the supporting rod is flexibly connected with the U-shaped frame by a shaft; a through hole is formed in the movable end of the supporting rod; the side beams of the climbing ladder are provided with positioning holes corresponding to the through hole; the through hole is connected with the positioning holes by pins; and the two ends of the anti-dropping frame are fixedly connected with the two side beams of the climbing ladder. The novel vertical shaft safety ladder has a simple structure and is convenient to use, and the safety and the convenience can be improved when a constructor climbs a vertical shaft for construction.
Novel vertical shaft safety ladder
LI HONGFENG (Autor:in) / YANG BOCHAO (Autor:in) / WANG LIJUN (Autor:in) / XING KUN (Autor:in) / XU YABING (Autor:in)
10.06.2015
Patent
Elektronische Ressource
Englisch
Connecting assembly for closing shaft ladder and shaft ladder
| Europäisches Patentamt | 2020