Trolley running mechanism of multifunctional roasting crown block

The utility model discloses a roasting multifunctional crown block trolley running mechanism which comprises a cart, a mounting shell is connected to the outer wall of the top of one side of the cart through bolts, a supporting block is connected to the outer wall of the top of the other side of the cart through bolts, and two screw rods are connected between the supporting block and the mounting shell through bearings. One end of each screw extends into the mounting shell to be welded with a worm gear, a worm is connected between the inner walls of the two sides of the mounting shell through a bearing, the worm is meshed with the worm gear, the outer wall of one side of the mounting shell is connected with a motor through a bolt, and one end of an output shaft of the motor is connected with the worm gear through a spline; the outer wall of the bottom of the trolley frame is connected with a connecting block through a bolt. When the motor drives the worm to rotate, the worm drives the two worm gears and the s