Frame front structure for semitrailer

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Frame front structure for semitrailer

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SI RUOYANG / YANG GUANG

The invention belongs to the technical field of semitrailer accessories, and particularly relates to a frame front structure for a semitrailer, the frame front structure comprises two frame longitudinal beams, the two frame longitudinal beams are fixed into a whole through at least two cross beams, and each frame longitudinal beam comprises a frame longitudinal beam web, frame longitudinal beam wing plates positioned at the upper end and the lower end of the frame longitudinal beam web, and a longitudinal beam web reinforcing plate used for connecting the two frame longitudinal beam wing plates into a whole; the structure is characterized in that the end part of the cross beam penetrates through the longitudinal beam web plate reinforcing plate and/or the frame longitudinal beam web plate and then is welded with the longitudinal beam web plate reinforcing plate and/or the frame longitudinal beam web plate into a whole. The connecting strength is improved, the weight is reduced, the size is reduced, and the performance is stable.

本发明属于半挂车配件技术领域，具体涉及一种半挂车用车架前部结构，包括两块车架纵梁，该两块车架纵梁通过至少两根横梁固定为一体，所述车架纵梁又包括车架纵梁腹板，位于车架纵梁腹板上下两端的车架纵梁翼板，将两块车架纵梁翼板连接为一体的纵梁腹板加强板；其特征在于：所述横梁的端部穿过纵梁腹板加强板和/或车架纵梁腹板后与纵梁腹板加强板和/或车架纵梁腹板焊接为一体。本发明提高了连接强度、降低了重量、缩小了体积和性能稳定。