Exhaust pipe mounting structure

The utility model belongs to the field of installation structures, and particularly relates to an exhaust pipe installation structure which comprises a supporting seat and stand columns, the stand columns are fixedly installed on the supporting seat, an exhaust pipe is placed on the supporting seat, the two stand columns are provided with the same pressing plate in a sliding mode, the pressing plate is matched with the exhaust pipe, one side of each stand column is fixedly provided with a connecting seat, and the other side of each stand column is provided with a fixing seat. A driving hole is formed in the connecting seat, a driving seat fixedly connected with the pressing plate is slidably mounted in the driving hole, a moving hole is formed in one side of the driving hole, a trapezoidal seat is slidably mounted in the moving hole, a clamping plate is fixedly mounted on one side of the trapezoidal seat, a driving mechanism is arranged on the supporting seat, and the driving mechanism is connected with the d