Patent ID: 8589118
Filing Date: 2013-11-19
Classification: B66B

Abstract:
1. A conveyor diagnostic device which diagnoses an abnormal state of a cyclically moving conveyor, the device comprising: a first tilt sensor which is attached to a predetermined position of the conveyor and detects a tilt angle of the conveyor in a vertical direction; a second tilt sensor which is attached to a predetermined position of the conveyor and detects a tilt angle of the conveyor in a horizontal direction; a table indicating a relationship between a tilt angle which changes in the vertical direction and a plurality of sections included in one revolution of the conveyor to which the first tilt sensor and the second tilt sensor are attached; and a signal processing unit which specifies an abnormality occurrence position of the conveyor based on a tilt angle in the vertical direction detected by the first tilt sensor, the table, and an elapsed time after ingression for a section corresponding to the tilt angle in the vertical direction, when a tilt angle in the horizontal direction detected by the second tilt sensor exceeds a predetermined management limit value.