Exhaust pipe surface temperature measuring device

The utility model relates to the technical field of automobile exhaust pipe temperature detection, and discloses an exhaust pipe surface temperature measuring device, which is applied to an exhaust pipe body and comprises a hoop and a mounting piece, the hoop is sleeved on the exhaust pipe body, a locking assembly is arranged on the hoop, and when the locking assembly is in an elastic state, the mounting piece is fixed on the hoop. The clamping hoop can slide in the axial direction of the exhaust pipe body or rotate in the circumferential direction of the exhaust pipe body, when the locking assembly is in a fastening state, the clamping hoop keeps the position relation with the exhaust pipe body, the installation piece is connected to one end of the clamping hoop, and a temperature measuring assembly is arranged on the installation piece. According to the arrangement, after the locking assembly is unscrewed, the positions of the clamping hoop and the mounting piece can be adjusted, so that the temperature mea