| 摘要 |
According to the present invention, a wheelchair auxiliary apparatus for a ramp is mounted on both sides of a wheelchair. The wheelchair auxiliary apparatus, which is used on a ramp, includes: a first drive unit which is mounted on the rear side of the wheelchair, is made to be flexible, and includes auxiliary wheels mounted on the lower part; a second drive unit which is mounted on the lower side of the wheelchair, has an end coupled to a front end of the wheelchair to rotate with the wheelchair, has the other end rotatably coupled to the first drive unit, and is made to be flexible; and a control unit which controls the first and second drive unit. According to the present invention, the wheelchair auxiliary apparatus can be easily mounted onto both sides of an existing foldable wheelchair to prevent the wheelchair from being turned over and to enable the wheelchair to move on stair, escalator, and ramp. |
