| 摘要 |
PURPOSE:To load a running machine on the rear body of a transport vehicle through self-running and carry out onto a ridge safely by sensing height of the front of said running machine, and stopping it when the sensed height has varied. CONSTITUTION:In a working vehicle such as a combine, the front of its mowing pre-processing part is equipped with an ultrasonic sensor 6, which senses the height to ground of a mowing device. Through a control device 7, said sensor 6 is connected to the operating mechanism 9 of a hydraulic cylinder 8 swing and elevate/sink the mowing pre-processing part with respect to running machine, the operating mechanism 12 of a speed change clutch 11, and the driver circuit 14 for an alarm buzzer 13. The control device 7 is provided with a means 15 to sense change in the height sensed by the sensor 6 and a control means 16 which gives control signals to said operating mechanisms 9, 12 and driver circuit 14 on the basis of results of sensing and the input information from a plurality of height setting devices 17-19.
|
