Mounting bracket for supporting tail gas treatment device, tail gas treatment device and vehicle

The utility model discloses a mounting bracket for supporting a tail gas treatment device, a tail gas treatment device and a vehicle, and belongs to the technical field of vehicles. Comprising a tail gas processor bracket and a first support, the first bracket comprises a supporting part which is detachably connected to the tail gas processor bracket; the extension part is detachably connected to the frame longitudinal beam; the bent part is bent towards the tail gas processor bracket, the bent part comprises a first side and a second side, the first side is smoothly connected to the supporting part, and the second side is smoothly connected to the extending part. According to the tail gas processor bracket, the extending part, the bending part and the supporting part are sequentially connected, and the bending part is bent towards the tail gas processor bracket. The arrangement of the bending part has the effects of improving the supporting strength of the first bracket and preventing the first bracket from