FIELD: electrical engineering.
SUBSTANCE: invention relates to electrical engineering and is intended for use on mining excavators. Mechatronic system of excavator bottom opening comprises power supply and voltage inverter connected to it by power input, drum with rope wound on it and connected via levers on handle and bottom of bucket with bucket bottom bolt, and control button connected to control input of voltage inverter. Drum is made in the form of a synchronous motor with an inverted rotor and permanent magnets on the rotor, with two cheeks arranged on the outer side of the rotor, between which there is a wound cable. Voltage inverter output is connected to synchronous motor stator windings.
EFFECT: increasing energy efficiency and simplifying the design of the mechatronic system for opening the bottom of the excavator bucket.
1 cl, 1 dwg
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