Safety type drilling machine clutch device

The utility model discloses a safety type drilling machine clutch device, which relates to the technical field of clutches and comprises a clutch body and an engine shell, connecting plates are arranged at the joints of the clutch body and the engine shell, and the two connecting plates are connected through bolts. The clutch body is provided with a limiting piece used for limiting the bolt, the limiting piece comprises two fixing blocks which are arranged at the end of the bolt and are symmetrically arranged, limiting holes are formed in the fixing blocks, two limiting blocks perpendicular to the connecting plate are arranged on the connecting plate, guide holes are formed in the limiting blocks, and the limiting holes are matched with the limiting blocks. A bolt penetrating through the limiting hole is movably arranged in the guide hole; according to the utility model, the bolt is limited and fixed, so that the bolt fixed between the clutch and the engine of the drilling machine is prevented from loosening,