Logistics track swing arm type trolley arrester

The invention discloses a logistics track swing arm type trolley arrester. Trolley stop mechanisms arranged on fixed tracks above a vertical shaft inner shunting device are included. Each trolley stopmechanism comprises a trolley stop arm which is hinged to the side track face of the corresponding fixed track, wherein a power executing element controlling swinging of the trolley stop arm is arranged on a support behind the trolley stop arm, the support is arranged on the back track face of the corresponding fixed track, the power executing element drives the trolley stop arm to rotate to theposition in front of the corresponding fixed track to stop a logistics trolley, the power executing element drives the trolley stop arm to rotate out of the position in front of the corresponding fixed track to avoid the logistics trolley, the trolley stop arm is provided with a buffer, and at the trolley stop position, the buffer corresponds to the infrared or ultrasonic parking induction signalposition of the logistics t