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.

PRODUCT DETAILS

BAP Misalignment Sensor

BAP belt alignment sensor for bucket elevators
BAP Misalignment Sensor

The BAP detects moving ferrous material and is designed for use with bucket elevators to detect belt misalignment condition. It can also detect ferrous bolts where plastic or 316 stainless buckets are used . The sensor is used in conjunction with a PLC or with a Watchdog or A400 Elite control unit.

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Binswitch Elite Capacitive Sensor

4B Binswitch Elite Capacitive Sensor
Binswitch Elite Capacitive Sensor

Detects level or plug situations for bulk granular solids or liquids in tanks, bins, or silos and can be used as a plug or choke detector in chutes, conveyors and elevator legs.

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VIBMIL - Milli-VIB & Milli-Con

VIBMIL vibration sensor
VIBMIL - Milli-VIB & Milli-Con

VIBMIL is a vibration sensor designed for continuous monitoring of vibration levels in industrial environments. It is current loop powered accelerometer and delivers accurate vibration RMS velocity using a 4-20 mA output. Built with a stainless-steel enclosure, including a 3/4” NPT thread for conduit connection. The VIBMIL can be supplied with optional inbuilt NTC or PT100 temperature sensors (Milli-Con version).

The VIBMIL is equipped with female 1/4”-28 UNF female mounting thread, allowing the use of a screw, stud, or mounting stud to secure the sensor to the desired application.
The sensor is supplied with a 1/4”-28 UNF set screw as standard. Optional converters to M8 and M6 male threads are available. 
To achieve maximum sensitivity, mount the sensor vertically along the Y-axis of the machinery. 
To ensure accurate readings and proper functioning of the VIBMIL, securely fix it to a level surface during installation.
Implement the 2 wire, loop powered accelerometer into the desired control system and measure the linearised output from 4 – 20mA proportional to the sensors measuring range.

PRODUCT DETAILS

WDA4 Motion Alignment Sensor

4B WDA motion alignment sensor
WDA4 Motion Alignment Sensor

Non-contacting high-power, extended range magnetic proximity sensor, not affected by dust or material build up, used to detect moving ferrous material up to 75mm away from the sensor.

The WDA sensor is designed for use with bucket elevators to detect the buckets in order to measure speed and alignment. It can also detect screw conveyor flights, and ferrous bolts when attached to non-ferrous buckets. A more specialized use of the WDA sensor is for broken/slack chain detection.  

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.  The continues output can be wired normally energized or normally de-energized (please see manual).

PRODUCT DETAILS
4B bearing temperature sensors

Overheated bearings are one of the main risk factors for dust explosions in bucket elevators and need to be closely monitored.
4B offers a range of Atex, CSA and IECEx certified bearing temperature sensors and compatible monitoring systems.

View our full Electronics Catalogue here.

Bearing Temperature Sensors
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Speed Switches

4B's line of speed switches includes: proximity, inductive, zero speed, stop motion and rotary 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.

 
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