Carrier device set and Firefighting motorcycle using same

A carrier device set (20), comprising:

• a carder (21) comprising a first carrier component (211), a second carder component (212) and a connecting member (213), said first carrier component (211) comprising a plane (211A), and the said plane (211A) of said first carrier component (211) being formed by a first end (211B) with a larger width and a second end (211C) with a smaller width connected to the said first end (211B), the said plane (211A) of said first carrier component (211) gradually tapering from the said first end (211B) of the larger width of the said plane (211A) of said first carrier component (211) to the said second end (211C) of the smaller width of the larger width of the said plane (211A) of said first carrier component (211), said second carrier component (212) comprising a plane (212A), and the said plane (212A) of said second carrier component (212) being formed by a first end (212B) with a larger width and a second end (212C) with a smaller width connected to the said first end (212B), the said plane (212A) of said second carrier component (212) gradually tapering from the said first end (212B) of the larger width of the said plane (212A) of said second carrier component (212) to the said second end (212C) of the smaller width of the larger width of the said plane (212A) of said second carrier component (212), said connecting member (213) having two opposite ends thereof respectively protruding toward one same side to form a first coupling portion (213A) and a second coupling portion (213B), said first coupling portion (213A) and said second coupling portion (213B) of said connecting member (213) being respectively connected to the said first end (211B) of the said plane (211A) of said first carrier component (211) and the said first end (212B) of the said plane (212A) of said second carrier component (212), the said plane (211A) of said first carrier component (211) being provided with two supporting portions (211E) at intervals, said second carrier component (212) further comprising two mounting portions (212E) protruded from the plane (212A) thereof;
• wherein said connecting member (213) of said carrier (21) further comprises a concave portion (213C) provided between said first coupling portion (213A) and said second coupling portion (213B);
• a long hollow bracket (23) composed of a ring-shaped bottom (231), a U-shaped back rod (233) and a handle (235), said U-shaped back rod (233) having two opposite ends thereof respectively connected to one side of said ring-shaped bottom (231), so that an accommodating space (234) is formed between said ring-shaped bottom (231) and said U-shaped back rod (233), the positions of the two opposite ends of said U-shaped back rod (233) close to said ring-shaped bottom (231) being respectively provided with an assembly portion (232), said two assembly portions (232) of said long hollow bracket (23) being respectively pivotally connected to said two mounting portions (212E) on the said plane (212A) of said second carrier component (212), said handle (235) being set on said U-shaped back rod (233);
• wherein said carrier (21) further comprises a fastening member (215) provided at said connecting member (213) and fastened to said U-shaped back rod (233) of said long hollow bracket (23);
• and
• a hydraulic buffer (25), said hydraulic buffer (25) having two opposite ends thereof respectively pivotally connected to said connecting member (213) of said carrier (21) and said U-shaped back rod (233) of said long hollow bracket (23).