Detachable aluminum square tube suspended ceiling structure

The utility model discloses a detachable aluminum square tube suspended ceiling structure which comprises a ceiling, a worker firstly starts an external motor, the external motor transmits a second bevel gear through a transmission rod, the second bevel gear starts to rotate, a first bevel gear is meshed with the second bevel gear, the first bevel gear is perpendicular to the second bevel gear, and the second bevel gear is meshed with the first bevel gear. The upper end of the first bevel gear is in threaded connection with a threaded rod, the first bevel gear rotates to drive the threaded rod to move downwards and drive the whole device to stretch out and draw back downwards, after the first bevel gear stretches out and draws back to a proper height, a motor is turned off, and then a rotating switch is manually rotated to drive a clamping block at the upper end of a connecting rod to rotate; and otherwise, the aluminum square tube can be installed, the motor rotates reversely to lift the whole device to the