Protective clamping support frame

The utility model provides a protective clamping support frame, which relates to the technical field of clamping support frames and comprises a base and a clamping support part. The base is fixed on the workbench; and the clamping and supporting part is composed of two connecting seats, a sliding rod, a clamping plate, a connecting plate, an adjusting rod, an auxiliary plate, a locking screw rod and a protective pad, and the two connecting seats are welded to the top end face of the base in a mirror image shape. Due to the fact that the two protective pads are both of a concave structure and are connected with the left end face and the right end face of the connecting base in an adhering mode, the adhering stability between the protective pads and the connecting base can be improved, and the problem that after the chemical pump is suspended and clamped, when the angle of the chemical pump needs to be adjusted in the machining process, a clamped object needs to be put down, and the clamping effect is poor is s