PLOWING UNIT Russian patent published in 2015 - IPC A01B3/00 A01B59/04 

FIELD: agriculture.

SUBSTANCE: plowing unit comprises a tractor and plow. The plow comprises housings, an automatic coupling device, a frame, lower links, upper link, a hydraulic motor, rods. On the tractor a control and alarm unit is mounted, a hydraulic valve with electrically-operated slide-valves, a throttle and a pneumatic valve. The tractor hinged system is connected to the control hydraulic cylinder. Through the vertical joints and the horizontal joints the front three plow housings are attached to the automatic coupling device and the rear - to the frame. The frame by the lower links, the upper link through the hinges of the links is also attached to the automatic coupling device. The guide is welded to the right lower link from inside, and from the top - the bracket with the sensor of pressure action. The left lower link is attached to the hydraulic motor. Two pneumatic cells are attached to the frame. The first, second and third housings are connected to the automatic coupling device, and the fourth, fifth and sixth housings are connected to the frame and also with rods with shock-absorbing devices on one ends and fixing the hydraulic cylinders on the other ends. In front of each housing, a knife is pivotally mounted, connected with the knife spring. On the right from the first housing the rest is mounted. On the rest, on the automatic coupling device and on the housings the rubber pads are located. The links enter into the pneumatic cells. The brackets are fixed on the links. The links are attached the right lock and the left lock, respectively. Inside the left lock the centring pin with the spring is mounted. On the frame the sensors are mounted.

EFFECT: constructive implementation enables to increase productivity of plowing.

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