Pipeline convenient to install for bridge engineering

The utility model relates to the technical field of bridge engineering, and discloses a bridge engineering pipeline convenient to install, which comprises a bridge extension, a bridge body, a pipeline body and a fixing frame, the fixing frame is fixedly installed on the surface of the bridge extension, a protective shell is fixedly installed in the center of the fixing frame, and a motor is fixedly installed in the center of the protective shell. A storage battery is fixedly mounted on the left side of the top end of the mounting frame, a control panel is fixedly mounted on the right side of the top end of the mounting frame, a transmission rod is mounted at the lower end in the motor in a penetrating mode, and second gears are fixedly mounted at the positions, located at the two ends of the motor, of the transmission rod correspondingly. The pipeline is installed in the fixing pipe, the signal output end of the control panel controls the motor to drive the first gear and the second gear to rotate, the transm