SMARTsaa has developed entirely new range of Belt Misalignment Sensor for Bucket Elevator.
These sensors find application on bucket elevator to detect misalignment of buckets. Bucket elevators have sidewalls, which a misaligned belt can rub against. Heat generated by this rubbing action can quickly reach a dangerous level, especially near pulleys where the belt side forces are the greatest. The casing may get damaged due to rubbing of the misaligned belt to the side wall of bucket elevator.
Extended range proximity sensors are mounted on the side of the casing. Two sensors are fitted, one on each side on the casing of bucket elevator on a location where bucket sway is maximum.
In normal running condition the bucket is away from the sensing range of the sensor. But when swayed, the bucket face comes in the sensing range and the contact is actuated.
As two sensors are used, one at each side at least one sensor, whenever side the bucket sways at least one sensor will actuate and, positive belt misalignment sensing is done.
Two types are belt misalignment sensors are offered
Inductive Type : Having nominal sensing range of 50 mm ( effective 35 mm ) and 80 mm ( effective 50 mm )
Magnetic Type : Having sensing range of 50mm
SMARTsaa has developed Missing Bucket Detector for Bucket Elevator.
These sensors find application on bucket elevator to detect missing buckets. As the bucket elevator speed is constant the time gap between two passing bucket is also constant.
Extended range proximity sensors are mounted on the side of the casing. The bucket when passes in front of the sensor a pulse is generated.
The sensor gives command to a pulse evaluation circuit. When the time between two passing buckets exceeds a control action is generated.
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