ROBOT LAWNMOWER WITH DRIVING MOTOR BLOCK ADAPTED TO DETECT AN OBSTACLE

There is described a robot lawnmower (1) comprising a base frame (2), a cover integral with the base frame (2), two driving wheels (3) and at least one directional idler wheel (4), wherein each driving wheel (3) is driven by an electric motor (5). Each motor (5) comprises a motor block (55) rotatably fixed to a bracket (7) to which the respective driving wheel (3) is rotatably fixed. The robot lawnmower (1) comprises absorbing means (56, 57, 61) of a bump of the robot lawnmower (1). The absorbing means (56, 57, 61) are adapted to allow the rotation of the motor block (55) with respect to the base frame (2) in the case of a bump in the direction of motion of the robot lawnmower (1).