Self-tightening automobile tire foreign matter removing apparatus

The invention discloses a self-tightening automobile tire foreign matter removing apparatus including a bottom board fixedly connected to an automobile body above tires. A cylinder sleeve base is fixed to the middle of a lower end of the bottom board. A cylinder sleeve is fixed to the cylinder sleeve base. The cylinder sleeve is in a hollow structure. An inner flange is arranged on a lower end of the cylinder sleeve. A spring is arranged in the cylinder sleeve. An upper end of the spring is fixedly connected to the cylinder sleeve base. A movable column is fixedly connected to the lower end of the spring. An outer flange is disposed on the top of the movable column and is matched with the inner flange on the lower end of the cylinder sleeve. The movable column is movably clamped inside the cylinder sleeve base. A left clamping member and a right clamping member are respectively disposed at the two sides of the lower end of the movable column, wherein a left hydraulic push rod is fixedly connected horizontally to an outer side of the left clamping member and a right hydraulic push rod is fixedly connected horizontally to an outer side of the right clamping member. A removing arm, equipped with a cleaning wheel, is fixedly connected to the bottom of the movable column. A contact needle is disposed on the middle of the top of the movable column. A contact switch is arranged on the bottom plate, is matched with a contact needle and is electrically connected to an alarm.