Auxiliary detection tool for cutter holder of milling cutter in crankshaft

The utility model discloses an auxiliary detection tool for a milling cutter holder in a crankshaft, which comprises a rectangular bottom plate, two ends of the bottom plate in the length direction are respectively provided with a sliding table connecting plate capable of moving along the length direction of the bottom plate, and each sliding table connecting plate is provided with a mounting seat capable of moving along the width direction of the bottom plate; a calibration piece is fixed on the mounting seat at one end of the bottom plate in the length direction; and a bottom plate shaft hole which can be coaxially matched and fixed with a rotating shaft of the turntable is formed in the middle of the bottom plate. The auxiliary tool and the machined tool holder are installed and compared, and the detection precision for detecting whether the cutting offset distance and the cutting radius of the tool holder meet the machining requirement or not is high. The auxiliary detection tool can be installed on the r