Rescue channel stair

The utility model discloses a rescue channel stair which comprises a first vertical rod, a second vertical rod, a transverse rod, pedals and a telescopic handrail. The two ends of the transverse rod are connected with the first vertical rod and the second vertical rod respectively. The pedal is arranged between the first vertical rod and the second vertical rod through a pedal connecting rod mechanism, and the pedal connecting rod mechanism can enable the pedal to turn around the cross rod; the telescopic handrail is arranged on the second vertical rod; and first pulleys are arranged at the bottoms of the first vertical rod and the second vertical rod. According to the rescue channel stair disclosed by the utility model, the function of emergency rescue climbing is realized, and meanwhile,the effects of saving the placement space and facilitating the operation are achieved. 本实用新型公开了一种救援通道楼梯，包括第一立杆、第二立杆、横杆、踏板和伸缩扶手；所述横杆两端分别与所述第一立杆及所述第二立杆相连；所述踏板通过踏板连杆机构设置在所述第一立杆和所述第二立杆之间，所述踏板连杆机构可使所述踏板绕所述横杆翻转；所述伸缩扶手设置在所述第二立杆上；所述