Fixed base frame suitable for loading of frame of motorcycle

The utility model discloses a fixed base frame suitable for loading of a frame of a motorcycle. The fixed base frame comprises a four-leg support frame, a transverse connecting plate is welded above the four-leg support frame, a semi-arc plate with the opening facing upwards is welded above the transverse connecting plate, a hinge is welded to one side of the semi-arc plate, and the hinge is parallel to the axis of the semi-arc plate. One end of a moving pressing plate is arranged on the hinge, and the other end of the moving pressing plate is hung in the air. A vertical screw rod is welded above the installation end of the moving pressing plate, and the upper end of a pressing plate handle is arranged on the vertical screw rod in a sleeved mode. Nuts are further arranged on the vertical screw rod to prevent the pressing plate handle from being separated from the upper end of the vertical screw rod, one end of a spring is fixed to the bottom of the transverse connecting rod, the other end of the spring is fix