Ladder frame assembly for a motor vehicle

The steel beam bracket assembly for automobile, comprising: With a pair of parallel back frame steel beam back bracket assembly of a rear cross beam assembly is alternately. The frame assembly comprises a pair of the beam assembly of parallel frame reinforcement beam of staggered; Of each frame the cross-section of the u-shaped; a pair of layer The Device for so the u-shaped slot is fixed on a vertical bottom plate part and from the bottom wall of the two opposite sides outwards. Of each u-shaped the frame is wherein the two spots on end part, a layer of the A metal organization of a stretched out from the bottom plate part is a wherein a distance part of the. The other, wherein the distance part of the compressing from the horizontal wall of A metal organization of the other end of the bottom plate is stretched out. The other;, the frame assembly comprises a pair of a front cross beam assembly of parallel in staggered with the frame steel beam. Front end of the tubularl, the frame steel beam rectangular cross - section of the upper longitudinal is different to the size.