Container underframe and gooseneck trough structure on underframe

The utility model discloses a container underframe and a gooseneck trough structure on the underframe. The underframe comprises two bottom side beams and a gooseneck trough structure, wherein the two bottom side beams are longitudinally and parallelly arranged, and the gooseneck trough structure is connected between the front ends of the two bottom side beams; the gooseneck trough structure comprises a horizontal steel floor, two gooseneck trough side plates and a plurality of short bottom beams, the two gooseneck trough side plates are longitudinally and symmetrically connected below the steel floor, the plurality of short bottom beams are transversely connected below the steel floor, the two gooseneck trough side plates are located below the middle part of the steel floor, each gooseneck trough side plate comprises a first section, a second section and a third section, the first section is vertically arranged, the second section is tilted from the bottom end of the first section to the transverse outer side