FIELD: agriculture; machine building.
SUBSTANCE: invention relates to the agricultural machine building. Automatic system for monitoring and controlling settings of threshing-separating device working elements consists of a unit for indicating quality of a grain fraction, a shaping amplifier and piezoelectric quality sensors of a grain fraction, a control unit with three driving devices. Automatic controlling and monitoring system also includes a fan, a hydraulic cylinder of a fan variator, a hydraulic distributor of a fan with electromagnetic control, a fan speed sensor and a threshing drum frequency sensor. Second setting device monitors and controls threshing drum speed using threshing drum variator hydraulic cylinder by means of threshing drum hydraulic control valve with electromagnetic control. Third setting device is made in the form of a control of range of values of gaps between threshing drum and subarray. Sensors of concave position are made in the form of inductive sensors and are installed at the inlet and at the outlet of concave.
EFFECT: automatic system ensures regulation of gaps between threshing drum and concreting of combine harvester.
1 cl, 1 dwg
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