The wheelchair artifact that can go up and down stairs is a crawler stair climbing wheelchair. The price of tracked wheelchair is lower than that of step support, and its application scope is wider than that of star wheel. The key is higher safety, so it is more suitable for the elderly or the disabled.

At present, the mainstream manned stair climbing equipment on the market is also this kind of crawler, and it was originally modified on the basis of electric wheelchair, so it is a dual-purpose machine, which can climb stairs and travel on the ground. Crawler stair climber has the key function of anti-skid braking, which can prevent the wheelchair from slipping when going up and down stairs, so it can ensure the stair climber to go up and down stairs safely.

Secondly, the crawler stair climber has enough adhesion and power transmission. Generally, the crawler conveyor motor has relatively high power and strong power. In addition, with its two toothed tracks, when the wheelchair is running, the tracks can firmly grasp the steps and run up/down smoothly, which can provide a stable and comfortable riding experience for the elderly.

Moreover, the volume and working noise of the crawler are relatively small, and the crawler device can cope with stairs of different sizes, so it has a wide range of applications, such as some commercial areas, residential areas, indoor and other environments.

Classification of stair climbing wheelchairs

1, star wheel stair wheelchair

The stair climbing mechanism of the star wheel stair climbing wheelchair is composed of a plurality of star wheels, which can rotate or revolve around the central axis. When walking on the ground, the rotation of the star wheel can drive the wheelchair forward. When climbing stairs, the star wheel rotates around and drives the connecting rod to climb stairs.

If there is no anti-skid brake design, the star-wheel stair-climbing wheelchair is easy to slip, which has certain safety hazards. Therefore, the sales volume of this stair climbing wheelchair is average, but there are still some consumers with poor economic conditions to choose. If someone helps, it still needs a lot of effort.

2. Crawler stair-climbing wheelchair

I believe everyone is familiar with the crawler structure, which is the structure of excavators that can be seen everywhere on the construction site. Crawler stair climbing wheelchair is slightly better than star wheel in safety, but it still has limitations in use.

If the stairs are too smooth or too steep, it is not safe to use. The track will wear, and so will the stairs. At present, this stair-climbing wheelchair is mainly used in the market, which is only used for going up and down stairs and needs assistance.

3. Support stair climbing wheelchair step by step

Step-by-step supporting structure has been developed for many years in developed countries and its technology is mature. Its principle is to imitate people's climbing movements, and two sets of devices alternately support and gradually go upstairs and downstairs. This kind of stair climbing structure is very complicated, and there are many intelligent safety devices, which are not produced by domestic manufacturers. If you plan to buy it, the imported price is very expensive.