The device for adjusting the loading of the crushing unit, which contains the controlled electric drive of the feeder of the crusher, made in the form of a combined control unit and the electric motor of the feeder, contains the sensor of the productivity of the conveyor of the dispatcher an electric motor, a power supply unit and a serially connected threshold element and a key analog, respectively, the first and second inputs of which are connected to the first and second sources of constant input action, which additionally contains a signal generator, in series connected second threshold element, second analog key, second control unit connected to the electric motor of the shipping conveyor, contains a third key analog, the output of which is connected to the input of the first control unit, and the first and second inputs are connected, respectively, to the third and fourth sources of constant input action, the third input – with the output of the second threshold element, the first input of which is connected to the fifth
source of constant input action, and the second input is connected to the second input of the first element threshold and the output of the signal generator, the input of which is connected to the output of the sensor
productivity of the shipping conveyor, the sixth source of constant input action is connected with the third input of the first analog key, the output of which is connected to the second input of the second analog key, the third input of which is connected to the seventh source of constant input action,
the second input of the first control unit is connected to the second input of the second control unit and the input of the power supply unit and connected to the power network.
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