What kinds of stair climbing electric wheelchairs are there?2

The stair-climbing electric wheelchair can help the elderly go up and down the stairs, avoiding the elderly who live in the stair room and cannot go out for a long time. - Generally speaking, there are three main types of stair-climbing electric wheelchairs on the market:

2. Crawler type

The stair-climbing wheelchair with track-type mechanism adopts a more continuous running mode than the star-wheel mechanism. When the track leaves the previous step or advances to the next step, it will tilt forward and backward due to the deviation of the center of gravity. Crawler-type stair climbing wheelchairs are not suitable for use in environments where the edge of the stairs is too smooth and the slope is greater than 30-35 degrees. Moreover, the track wear is relatively large, resulting in high maintenance costs in the later period. The use of imported high-quality crawler belts will improve the wear resistance, but it will cause damage to the steps of the stairs. The crawler-type stair-climbing wheelchair has greater resistance when walking on flat ground, and it is not flexible to turn at corners. In this regard, various improvement mechanisms have been proposed at home and abroad, but they are still not ideal.

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