An unmanned transport vehicle includes: a plurality of first travel wheels each having an axle extending in a front-back direction; a plurality of second travel wheels each having an axle extending in a left-right direction; and a travel wheel switching mechanism. The unmanned transport vehicle includes a pair of left and right frame bodies that extend in the front-back direction, are respectively supported at intermediate positions by left-right spindles, and swing around the left-right spindles. When traveling with the second travel wheels, the second travel wheels are movable in the up-down direction in accordance with the travel surface. The unmanned transport vehicle includes a frame body swing restriction unit that restricts swing of the frame bodies around the left-right spindles, when the first travel wheels are grounded on the travel surface and the second travel wheels are lifted by the travel wheel switching mechanism.
UNMANNED TRANSPORT VEHICLE
02.01.2025
Patent
Elektronische Ressource
Englisch