Scraper conveyor capable of being synchronously driven by multiple alternating-current permanent magnet servo motors

The invention relates to the technical field of coal comprehensive mining equipment drive ways, in particular to a scraper conveyor capable of being synchronously driven by multiple alternating-current permanent magnet servo motors. The scraper conveyor comprises a front end power source drive device and a rear end power source drive device and at least one middle supporting power source device which are the same in structure, wherein the front end power source drive device comprises a first motor and a second motor which are oppositely arranged; the first motor and the second motor are separately connected to a first speed reducer and a second speed reducer; the power output shaft of the first speed reducer and the power output shaft of the second speed reducer are separately connected toa first bevel gear and a second bevel gear; the first bevel gear and the second bevel gear are engaged with a third bevel gear; the third bevel gear is connected to a chain shaft; a chain gear is arranged on the chain shaft;