1. An oxygen acetylene bottle trolley comprises a push rod fixing frame and a roller frame, wherein one end of the push rod fixing frame is provided with a gas cylinder fixing movable frame through a rotating support shaft, the middle of the push rod fixing frame is connected with a folding support rod through a connecting rotating shaft, and one end far from the folding support rod is hinged on the gas cylinder fixing movable frame.
2. A lock clip is installed on the push rod fixing frame. When the steel cylinder fixing movable frame rotates from a vertical state to a horizontal state with the rotating support shaft as the rotation center under the action of external force, the lock clip is fixed with the steel cylinder.