Diamond drill bit service life testing device

The utility model discloses a service life testing device for a diamond drill bit, and relates to the technical field of diamond drill bits. A diamond bit life testing device comprises a supporting block, a hydraulic machine is fixedly connected to one end of the top of the supporting block, a hydraulic supporting rod is hinged to the interior of the hydraulic machine, a bearing block is fixedly connected to the top of the hydraulic supporting rod, and a fixing mechanism is fixedly connected to one end of the bearing block. And a clamping mechanism is fixedly connected to the other end of the top of the supporting block and comprises a rotating base, a rotating column is hinged to the interior of the rotating base, a rotating disc is fixedly connected to the top of the rotating column, and a bench vice is fixedly connected to the top of the rotating disc. Through the arrangement of the rotating base, the rotating column, the rotating disc and the bench vice, the clamping height and the clamping position of a