Bucket Elevator Monitoring

4B has a wide range of sensors for monitoring the various parts of your bucket elevator. The most common areas for monitoring include: bearing temperature, speed / motion, belt alignment and level / plug indication.

All of 4B's sensors can be connected to our hazard monitoring systems.

Bucket Elevator Monitoring

Bucket Elevator Monitoring

Touchswitch™

4b Touchswitch sensor
Touchswitch™

The Touchswitch is an electro-mechanical limit switch with no moving parts, which detects tracking and misalignment problems on bucket elevators and conveyors. When a belt misaligns or a pulley moves over and contacts the sensor, the built in solid-state electronic circuitry detects the lateral force of the belt or pulley and activates a voltage free solid state relay output. This output signal is used to immediately alarm and ultimately shutdown the machine.

The face of the sensor is made from hardened and annealed stainless steel, not soft brass or aluminium, so wear life is longer when a belt contacts it. The Touchswitch is not affected by dust or material build up and will still work when completely covered by material. An external test wheel allows for quick and simple sensor/system testing. The sensors are usually installed in pairs on opposite sides of the machine. The sensors can be connected directly to a PLC input, or for greater safety, to a central independent monitoring system, such as Watchdog Super Elite, IE-Node or the T500 Hotbus system.

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WDA3 Motion Alignment Sensor

4B WDA motion alignment sensor
WDA3 Motion Alignment Sensor

Non-contacting extended range magnetic proximity sensor, not affected by dust or material build up, used to detect moving ferrous material up to 100mm away from the sensor. The WDA sensor can be used on bucket elevators to measure speed and alignment by sensing either the metal elevator buckets, or the ferrous bolts attached to plastic buckets. A more specialized use for the WDA switch is as a broken/slack chain detector on drag chain conveyors, or as a non-contact speed switch for screw conveyors. The sensor is used in conjunction with a PLC or with 4B's Watchdog™ Elite or A400 Elite control units. Two output signals are provided: one signal is a pulse output, representing each bucket detected: the second signal is a continuous output when moving buckets are detected.

PRODUCT DETAILS
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4B has an extensive range of CSA / ATEX / CE / IECEx / GOST-R approved hazard monitoring systems specifically designed for bucket elevators and conveyors in dust hazard environments. As an industry leader in developing high quality, innovative, and dependable electronic components, 4B can recommend the ideal system to suit your requirements and budget.

Bearing Temperature Sensors
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Bearing & Surface Temperature Sensors
Preventing downtime and protecting your personnel & equipment
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Speed Switches

4B's line of speed switches includes: proximity, inductive, zero speed, stop motion and rotech encoders to monitor dangerous belt slip, underspeed or stop conditions on conveyors, bucket elevators and any other shaft driven machinery. Our non-contacting sensors can be used to detect screw conveyor flights, elevator bucket bolts and other moving ferrous targets. Speed switches can be connected to a PLC or to one of 4B’s hazard monitoring systems to provide alarm and/or shutdown of your machinery when dangerous conditions are detected.

View our full Electronics Catalogue here.

 
Speed Switches
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inductive proximity sensors

4B inductive proximity sensors are designed to detect shaft speed, shaft position, gate position or object presence. No contact is made between the sensor and the target being monitored. 

 
Inductive Sensors
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Inductive Proximity Sensors
Detect shaft speed, shaft position, gate position or object presence
Approved for hazardous environments
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