The utility model discloses a suspension frame assembly comprising a V-shaped thrust rod (8), a thrust rod support (9) and a limit block (5), wherein the opening end of the V-shaped thrust rod (8) is connected with the thrust rod support (9) and the other end of the V-shaped thrust rod (8) is connected with an axle through a bracket on the axle; a main rubber spring (3) is connected with a rubber suspension frame mounting bracket (6) and a V-shaped transition plate through bolts; and the V-shaped transition plate is connected with a reversed V-shaped bracket bolt on a balance beam (1). By utilizing the technical scheme, the suspension frame assembly provided by the utility model has the advantages of light system weight, great load capacity, no need of maintenance, appropriate and slightly-changed no-load and full-load vibration frequency, good trafficability and comfortableness, good fuel oil economical efficiency, long service life and the like.