Patent ID: 7722251

Claim:
A device for inspecting contraband in an aviation cargo container, comprising: a turntable located at an object inspecting position and arranged to carry an object to be inspected and bring the object into rotation; a scanning system which is arranged around the turntable and used to scan the object to acquire imaging data, the scanning system including a radiation source and a detector; a radiation source mounting structure to mount the radiation source, the radiation source mounting structure including at least one column assembly on which the radiation source mounting structure is mounted and along which the radiation source mounting structure is allowed to ascend and descend; and a detector mounting structure to mount the detector; wherein: the detector mounting structure includes: a plurality of column assemblies along which the detector mounting structure is allowed to ascend and descend synchronously with respect to the radiation source mounting structure, each of said plurality of column assemblies including an elevation mechanism that has an elevating platform; and a cross beam connected between at least one pair of adjacent elevating platforms of the plurality of elevating platforms of the plurality of column assemblies, the detector being fixedly mounted on the cross beam and fixedly mounted on the at least one pair of elevating platforms via the cross beam; and one end of said cross beam is fixedly hinged to one of said adjacent elevating platforms, and the other end of the said cross beam is elastically coupled to the other of said adjacent elevating platforms.