| 摘要 |
PURPOSE: An aerial ladder truck is provided to prevent accidents caused by the malfunction of a cart moving device and a winder by installing an auxiliary moving device. CONSTITUTION: An aerial ladder truck comprises a vehicle, a base frame, a ladder device, a cart(150), a cart moving device(160), and an auxiliary moving device. The base frame is installed at the rear of a cockpit of the vehicle. The ladder device is installed on the top of the base frame and has an extendable ladder. The cart is vertically movable along the extendable ladder. The cart moving device vertically moves the cart. The auxiliary moving device assists the cart moving device. |
