Patent ID: 6922461

Claim:
An inspection system for air cargoes, in which an accelerator, a collimator, and a vertical detector arm are all mounted on a floor; detectors are provided within both a horizontal detector arm and the vertical detector arm; the accelerator, the collimator, the horizontal detector arm and the vertical detector arm are provided in a same plane; the horizontal detector arm is supported by an upper end of the collimator; the vertical detector arm and the horizontal detector arm are connected to each other and provided in the side opposite to the accelerator; a stable portal-shaped frame is formed by means of the collimator, the horizontal detector arm and the vertical detector arm; a conveying device is located under the horizontal detector arm, being perpendicular to the portal-shaped frame, the collimator is provided between the conveying device and the accelerator; and a scanning tunnel is enclosed by the portal-shaped frame and the conveying device, wherein; the conveying device is composed of roller conveyors and a chain-plank conveyor, one of the roller conveyors is respectively provided at each of the two ends of the chain-plank conveyor, and an idle transition roll is used to smoothly bridge the roller conveyors and the chain-plank conveyor.