Foldable maintenance vehicle for walking along bridge abutment

The utility model relates to bridge maintenance equipment, in particular to a foldable maintenance vehicle used for walking along a bridge abutment. The technical scheme of the utility model is as follows: the nursing bed comprises a bed body, a foldable maintenance vehicle for walking along a bridge abutment comprises a foldable vehicle body, a driving wheel, a driven wheel, two supporting wheels, a walking motor and a speed reducer, the driving wheel and the driven wheel are arranged at the two ends of the upper portion of the foldable vehicle body respectively, and the two supporting wheelsare arranged at the two ends of the lower portion of the foldable vehicle body respectively; the driving wheel and the driven wheel are placed in a bearing rail of a bridge abutment, and the supporting wheel is attached to a supporting rail of the bridge abutment. The walking motor and the speed reducer are installed on the folding vehicle body, and the walking motor drives the driving wheel to achieve walking through th