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
2025-01-02
Patent
Electronic Resource
English