Semi-trailer traveling conveying and self-discharging all-in-one machine

The utility model discloses a semi-hanging type travelling crane conveying and self-discharging all-in-one machine which comprises a travelling crane support arranged longitudinally, a longitudinal conveying and discharging trolley is installed on the travelling crane support in a sliding mode, a material longitudinal conveying mechanism is arranged between the travelling crane support and the longitudinal conveying and discharging trolley, and travelling crane transverse conveying mechanisms are further installed at the two ends of the travelling crane support respectively. A transverse material conveying mechanism is arranged below the longitudinal material conveying mechanism, and a vertical material transfer device is arranged between the transverse material conveying mechanism and the longitudinal material conveying mechanism; according to the utility model, the belt conveyor, the movable travelling crane structure and the unloading trolley are combined, so that the flexibility of the equipment is improv