The present invention discloses a pulling device for a container inspection
system including a pulling vehicle (1) arranged inside an inspection passage, a
winch (5) and
wire tension mechanisms (6,6′). Front and rear ends of the pulling vehicle are connected to a
wire rope so as to drive the pulling vehicle to move back and forth inside the inspection passage. The
wire rope connected to front and rear ends of the pulling vehicle is wound around a
wire tension mechanism arranged at front and rear ends of the inspection passage and is turned around by a swerving
pulley (2) which is positioned at the same horizontal plane as that of the
wire rope, the pulling vehicle, and the
wire tension mechanisms, then the wire
rope passes through the vertical
pulley block, and finally it is connected to a single winding drum (4) of the
winch (5) and wound around the single winding drum (4) respectively. Compared with the prior arts, the present invention is advantageous in reduction in equipment investment and decrease in area occupied by the pulling device. Further, the inspection operation can be carried out more reliably and safely.