The utility model provides a frock that is arranged in immersed tube tunnel tube coupling transportation by driving, including frock frame and pre -buried device, the frock frame is including support body and stiffener, and the support body is equipped with the extension section that a plurality of groups comprise the preceding section of prolonging and decurrence section, simultaneously the inboard tow boat and the rigidity of tube coupling traction of supplying of support body is equipped with the steel facing, pre -buried device includes a plurality of embedded plate subassemblies and pre -buried eye plate subassembly, and the embedded plate subassembly includes pre -buried steel sheet A and dowel A, and pre -buried steel sheet A and dowel A be through pre -buried income tube coupling top surface, and pre -buried steel sheet A surface corresponds the welding with the preceding section of prolonging, pre -buried eye plate subassembly includes pre -buried steel sheet B and dowel B, and the both ends symmetry on pre -buried steel sheet B surface is welded and is equipped with the eye plate, and pre -buried steel sheet B and dowel B are to the side of pre -buried income tube coupling, and the decurrence duan ping who corresponds places in between the eye plate, and is equipped with fixed bolt between the eye of eye plate. With the help of the utility model discloses an after the frock, towboat ship group can realize dragging or pushing up tying up of tube coupling pushing away, effectively reduces the navigation width of towboat ship group, satisfies tube coupling traction and construction demand in comparatively narrow channel.