Heat exchanger tube bundle cleaning protection tool

The invention relates to the technical field of cleaning auxiliary devices, and discloses a heat exchanger tube bundle cleaning protection tool. The heat exchanger tube bundle cleaning protection tool comprises a cylindrical barrel, wherein the cylindrical barrel is horizontally arranged, a first opening is formed in the left end or the right end of the cylindrical barrel, and a second opening is formed in the bottom of the cylindrical barrel; a pipe opening connecting mechanism which is arranged on the first opening and is used for being connected with a pipe head of a heat exchanger; a sewer pipe joint which is fixedly arranged on the second opening and is detachably connected with a sewer pipe; a supporting frame which can stretch out and draw back, is arranged at the bottom of the cylindrical barrel and is located on an outer side of the second opening; and a plurality of rollers arranged at the bottom of the supporting frame. According to the heat exchanger tube bundle cleaning protection tool, the overh