Improved diamond drilling machine

The utility model provides an improved diamond drilling machine, which belongs to the technical field of diamond drilling machines, and comprises a drilling machine support frame provided with a chute, a drilling machine body arranged on the chute in a sliding manner, and a front tripod and a rear tripod which are arranged below the drilling machine support frame in a rotating manner, the front tripod and the rear tripod are telescopic, and a telescopic button is arranged at the rotating end connected with the drilling machine supporting frame. The drilling machine supporting frame is providedwith a fixing clamping groove for containing the rotating end and a locking piece used for fixing the folded front tripod and the folded rear tripod. The fixing clamping groove is located outside therotating end, and a button hole for containing the telescopic button is formed in the wall of the fixing clamping groove. The locking piece is located between the rotating end of the front tripod andthe rotating end of the re