Gas cylinder transport vehicle

The utility model discloses a gas cylinder transport vehicle which comprises a vehicle body part, a bottom frame is installed at the lower end of the vehicle body part, a notch is formed in the bottom frame, a power mechanism is installed in the notch, a second spur rack is arranged on the power mechanism, an adjusting mechanism is connected to the second spur rack, and the adjusting mechanism is connected with a gas cylinder. A first straight rack is installed on the adjusting mechanism, an abutting wheel is fixed to the lower end of the first straight rack, a linkage mechanism is installed on the abutting wheel, a movable plate is connected to the linkage mechanism, the lower end of the movable plate is rotationally sleeved with a rolling wheel piece, and the lower end of the rolling wheel piece is flush with the lower end of the bottom frame. According to the utility model, through the ingenious cooperation of all the parts, the contact area with the ground can be quickly adjusted and enlarged, the overall