1. A device for quick mounting of a harrow disk, intended for mounting a harrow disk (1) on the corresponding hub (2) provided on the main frame of the harrow, characterized in that it is formed by a planetary gear wheel (4) rigidly connected to the corresponding hub (2 ), while on the outer surface of the planetary gear wheel (4) there is a central protrusion (5) of a truncated conical shape with a polygonal base, and a part of the rod (6) with a thread protrudes from the center of this protrusion (5), and the corresponding disk (1) It has the Central hole (7) for accommodating the polygonal base of the protrusion (5) and this disk (1) is attached by screwing the nut (12) on the said part of the shaft (6), respectively, to the said protrusion (5) with an intermediate gasket in the form of a plate (9) with a socket (10) for accommodating said protrusion (5) and a central hole (11) through which the threaded rod (6) protrudes. 2. The device according to claim 1, characterized in that the planetary gear wheel (4) with its protrusion (5) is truncated-conical in shape and the rod (6) with thread form a single unit with the hub (2). 3. The device according to claim 1, characterized in that the planetary gear wheel (4) with its protrusion (5) is truncated in a cone shape and the shaft (6) with thread is rigidly connected to the hub (2) by means of several screws (3) passing through the planetary gear (4) and screwed into the threaded holes provided in the hub flange (2). 4. The device according to claim 1, characterized in that the planetary gear wheel (4) and the hub (2) are connected to each other by riveting. The device according to claim 1, characterized in that the planetary gear1. Устройство для быстрого монтажа диска бороны, предназначенное для крепления диска (1) бороны на соответствующей ступице (2), предусмотренной на главной раме бороны, отличающееся тем, что оно сформировано планетарным зубчатым колесом (4), жестко соединенным с соответствующей ступицей (2), п
