Powder and particle material transportation semitrailer

The utility model discloses a powder and particle material transportation semitrailer, including the jar body, frame, air intake system, the system of unloading, the manhole of feeding, traveling system, its characterized in that: in order to solve the technical problem, around the head be equipped with the backup pad between rather than the frame of below, the semi -circular arc board of backup pad type of being, the system of unloading is installed at jar body rear portion, the system of unloading adopts detachable helping and blows the device. The utility model has the advantages of reasonable design, at the semitrailer rear portion, current powder material transportation horizontal tank car selection loading and unloading material system places in the semitrailer anteriorly, more conveniently puts in order car load distribution, realizes finally that powder and particle material transportation semitrailer mass -in working order is light, the discharge rate fast, material surplus rate is low, the whole eve