Suspended type telescopic ladder

• Main Authors: FANG JILEI, ZHANG HONGDA, SUN RENBO
• Format: Patent
• Language: Chinese; English
• Published: 05.09.2012
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; LADDERS

The utility model relates to a suspended type telescopic ladder, and belongs to the field of auxiliary devices for high-altitude operations. The suspended type telescopic ladder comprises a back ladder frame, a front ladder frame and a position-limiting mechanism, wherein support beams on the two sides of the back ladder frame are provided with inner slideways, the support beams on the two sides of the front ladder frame are provided with outer slideways, the back ladder frame is in sliding connection with the front ladder frame through the inner and the outer slideways, the position-limiting mechanism is arranged on the front ladder frame, the position-limiting mechanism comprises a main pin shaft, an auxiliary pin shaft, a clamping block and a stop block, the clamping block is in rotatable connection with the front ladder frame through the main pin shaft, the clamping block takes the shape of a curved hook, a jaw is arranged in the front of the curved hook, and a fixing pin is arranged at the upper end of t