Stair climbing cart with automatic switching of wheels and crawlers

A switching device and a technology of a stair-climbing vehicle, which is applied to tracked vehicles, transportation and packaging, and vehicle rescue. It can solve the problems of a planetary wheel-type stair-climbing mechanism with complex structure, discontinuous stair-climbing process, and inflexible steering. To achieve the effect of novel and compact structure, continuous climbing process and flexible walking

Active Publication Date: 2017-01-18
JIANGXI HONGDU AVIATION IND GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the planetary wheel structure is that the climbing process is discontinuous and intermittent, and the center of gravity fluctuates up and down with the stairs, which brings problems such as safety and comfort during the climbing process; in addition, the structure of the planetary wheel cli

Method used

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  • Stair climbing cart with automatic switching of wheels and crawlers
  • Stair climbing cart with automatic switching of wheels and crawlers
  • Stair climbing cart with automatic switching of wheels and crawlers

Examples

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Example Embodiment

[0038] Example: see figure 1 — Picture 10 .

[0039] A stair climber with wheels and tracks automatically switched, comprising a frame 10, two sets of walking systems and a walking system switching device 5, one of which is a crawler walking system, the other is a driving wheel walking system 6, and two sets of walking systems The walking mode is switched by the walking system switching device 5, the frame 10 is provided with a crawler walking system symmetrically on both sides, the crawler walking system includes a crawler 1, a crawler drive wheel 2, a number of driven wheels 19, a swing wheel 25, a crawler drive system and Swing wheel retracting mechanism, wherein the frame 10 is divided into three sections from left to right, front, middle, and rear. The front section is upwardly tilted. The crawler drive wheel 2 is arranged at the front end of the frame 10, and several driven wheels 19 are arranged on the frame. In the middle of 10, the oscillating wheel 25 is arranged at t...

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PUM

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Abstract

The invention discloses a stair climbing cart with automatic switching of wheels and crawlers. The stair climbing cart comprises a rack, two sets of traveling systems and a traveling-system switching device, wherein one set of traveling system is crawler traveling systems, and the other set of traveling system is a driving-wheel traveling system; the traveling modes of the two sets of traveling systems are switched by the traveling-system switching device; the two sides of the rack are provided with the crawler traveling systems; each crawler traveling system comprises a crawler, a crawler driving wheel, a plurality of driven wheels, a swinging wheel, a crawler driving system and a swinging-wheel retracting and extending mechanism; the driving-wheel traveling system comprises an inner rack, a universal wheel, a driving wheel, a universal-wheel retracting and extending mechanism and a driving-wheel driving system; the rack is internally provided with the inner rack and is connected with the traveling-system switching device by the traveling-system switching device; the inner rack can realize switching of the traveling modes under the action of the traveling-system switching device. The stair climbing cart disclosed by the invention has the advantages that the chassis switching is carried out by adopting the two sets of traveling systems and a wheel-crawler switching mechanism; the structure is compact, the switching is convenient, and the functions of climbing stairs, traveling on flat ground and crossing obstacles and ditches are achieved.

Description

technical field [0001] The invention belongs to the field of stair-climbing devices, and relates to a stair-climbing and walking device, in particular to a stair-climbing device with automatic switching of wheels and crawlers. Background technique [0002] At present, when the wheeled mobile device encounters obstacles such as stairs when walking, it often needs to use a special auxiliary climbing device, and the process is very cumbersome. There are two common structures of stair climbing mechanisms: planetary wheel structure and crawler structure. The disadvantage of the planetary wheel structure is that the climbing process is discontinuous and intermittent, and the center of gravity fluctuates up and down with the stairs, which brings about problems such as safety and comfort during the climbing process; in addition, the structure of the planetary wheel climbing mechanism is complex, Not suitable for promotion. The crawler-type stair-climbing mechanism is currently rec...

Claims

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Application Information

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IPC IPC(8): B62D55/04A61G5/06A61G5/10
CPCA61G5/061A61G5/066A61G5/10A61G2203/10B62D55/04
Inventor 周继强王丽峰袁磊陈鸣晖罗炜闵炜振朱洪昌郑友胜
Owner JIANGXI HONGDU AVIATION IND GRP
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