Drill bit bottom of auger drill machine

The utility model discloses a drill bit bottom of auger drill machine, including upper bottom cover, down bottom and center pin, lower bottom passes through the center pin rotatably to be installed inupper bottom cover's below, and upper bottom cover's bottom surface is equipped with the locating piece, and the bottom surface of lower bottom is equipped with the pick, lower bottom is equipped with with the both sides matched with of locating piece domaticly, and the locating piece is the plane that tilt up set up with the domatic both sides that contact. The utility model discloses make the drill bit more practical, reduce the auger drill machine and lead to the fact the loss of shut -down because of bottom deformation and damage down comes off even, guarantee that the operation of augerdrill machine is smooth and easy, can also reach and dig comprehensive, as to creep into efficiency quickening effect soon. 本实用新型公开了种旋挖钻机的钻头底盖，包括上底盖、下底盖和中心轴，下底盖通过中心轴可旋转地安装在上底盖的下方，上底盖的底面设有定位块，下底盖的底面设有截齿，所述下底盖设有与定位块的两侧相配合的坡面，定位块