Precise-positioning breaking type internal pressure testing device

The utility model discloses a breaking type internal pressure testing device capable of accurately positioning, and aims to solve the technical problems that an internal pressure testing device in the prior art is lack of a breaking structure capable of accurately positioning, and the rotating speed of a pump body when the pipe body is punctured is difficult to test at a point position, needing pressure testing, of the pipe body. The internal pressure testing device comprises a bearing table and a fixing column movably arranged above the bearing table. A first electric cylinder and a supercharging device are fixedly installed at the upper end of the bearing table, the rear end of a telescopic rod of the first electric cylinder is connected with the front end of a fixing column, a fixing pipe is fixedly installed on the outer wall of the fixing column, a bent pipe is fixedly installed at the rear end of the fixing pipe, and a water jet cutter head is fixedly installed at the right end of the bent pipe. Second