Ultrasonic flow energy meter convenient to install

The utility model relates to the technical field of flow meters, and discloses a convenient-to-install ultrasonic flow energy meter which comprises a connecting pipe, the top of the connecting pipe is in threaded connection with a first control ring, a sliding block is connected in the first control ring in a sliding mode, a movable block is fixedly connected to the top of the sliding block, and a transmission rod is rotationally connected in the movable block. And the top of the transmission rod is rotationally connected with a fixing clamp, the top of the connecting pipe is fixedly connected with sliding rods in an annular array, and a limiting groove is formed in the fixing clamp. The first control ring is arranged on the connecting pipe and can rotate and move, the movable block is driven by the sliding block to move, the sliding block prevents the movable block from rotating, the movable block moves to drive the fixing clamp to move downwards through the transmission rod, the limiting groove enables the