Step climbing device

Abstract

The invention relates to a step climbing device, and belongs to the technical field of step climbing devices. The step climbing device includes a frame, a middle expansion piece, a front expansion piece, a rear expansion piece, a front wheel frame, a middle wheel frame, a rear wheel frame, a front wheel, a rear wheel, a middle wheel, a track, a front connecting rod and a rear connecting rod, wherein the middle expansion piece is fixed in the middle of the frame, the front expansion piece and the rear expansion piece are fixed at the front and rear ends of the frame, the front wheel frame is fixed at the output end of the front expansion piece, the middle wheel frame is fixed at the output end of the middle expansion piece, the rear wheel frame is fixed at the output end of the rear expansion piece, the front wheel is rotatably installed on the front wheel frame, the rear wheel is rotatably installed on the rear wheel frame, the middle wheel is rotatably installed on the middle wheel frame, the track is used for connecting the front wheel, the middle wheel and the rear wheel, the front connecting rod is connected with the front wheel frame and the middle wheel frame, and the rear connecting rod is connected with the middle wheel frame and the rear wheel frame; the front and rear parts of the middle wheel frame are provided with traction mechanisms correspondingly, the traction mechanisms are provided with traction ropes, the free end of the front traction rope is connected to the front connecting rod, and the free end of the rear traction rope is connected to the rear connecting rod. According to the step climbing device, step climbing can be carried out.

Description

technical field [0001] The invention relates to the technical field of a stair climbing device, in particular to a stair climbing device. Background technique [0002] With the rapid development of the economy, there are more and more high-rise buildings. In emergencies such as power outages, people have to climb stairs. In buildings without elevators, residents often climb stairs. When carrying heavy objects to climb stairs , will be very strenuous, there is no better way to solve this problem, and a device that can climb steps is urgently needed. Contents of the invention [0003] Aiming at the technical problems existing in the prior art, the purpose of the present invention is to provide a stair climbing device capable of climbing steps. [0004] In order to achieve the above object, the present invention adopts following technical scheme: [0005] A step climbing device, comprising a frame body, a middle expander fixed in the middle of the frame body, a front expand...

AI Technical Summary

Problems solved by technology

[0002] With the rapid development of the economy, there are more and more high-rise buildings. In emergencies such as power outages, people have to climb stairs. In buildings without elevators, residents often climb stairs. When carrying heavy objects to climb stairs , it will be very strenuous, there is no better way to solve this problem, and a device that can climb steps is urgently needed

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