The utility model relates to a portable on -vehicle line car of putting, including wheel, handrail and support, support front end bottom is located to the wheel, and support tail end top is located to the handrail, and the support of support for forming through the tubular product welding, support include bracing piece, isolation rod, pin and bearing bar, and the cuboid structure is constituteed to the bracing piece, and the isolation rod welding is at the support middle part, and the bearing bar welding is in the support bottom, the position of pin welding under the support tail end leans on, and pin and isolation rod vertical welding are in the same place. The utility model discloses an advantage embodies: it can classify scattered drum to discharge alone to put the line car, and the transportation of being convenient for has improved the availability factor, effectual neat, clean and tidy nature of having arrange scattered line, little bundle of circuit of standardized management in order, it is categorised the arrangement of scattered line, be convenient for transport, make things convenient for the arrangement of beating bundle circuit in the engineering, it is uniform.