Barrier gate machine core without reduction gearbox and barrier gate

The utility model discloses a barrier gate machine core without a reduction gearbox, which comprises a machine frame, a motor is fixed on the machine frame, the motor drives a multi-head thread screw rod to rotate, a screw rod sleeve is sleeved on the multi-head thread screw rod in a threaded mode, the multi-head thread screw rod drives the screw rod sleeve to translate when rotating, a main shaft is further arranged on the machine frame in a rotating mode, and the main shaft is connected with the motor. A gear is coaxially fixed to the main shaft, a rack meshed with the gear is further arranged on the lead screw sleeve, and a brake bar is fixed to the main shaft. When the lead screw sleeve translates, the rack drives the gear to rotate, so that the brake bar is driven to swing up and down; the motor is controlled by a controller, and current passes through the motor under the control of the controller when the motor is shut down. The utility model further discloses a barrier gate using the machine core. The