Draft frame agricultural machine with dome shaped tire roller for creating furrows in the ground for planting seeds and transplanting plants, includes braking device for exerting resistance torque between support frame and central tube

摘要

The agricultural machine includes a tracked support frame (24) and a roller (10) comprising a tube (12) rotatably assembled around a horizontal axis (XX) on stages (22) connected to the frame. The tube is equipped with a series of tires (16) threaded on it and presenting respective circumferential domed profiles to form a series of parallel furrows in the ground. To allow a use in a field and on the road without raising of the roller, the machine includes a braking device (28,30,32,34) for exerting a controlled resistive torque between the support frame and the central tube.