Pull Cord Switch
Pull cord switch also known as Rope Operated Emergency switch is used as a safety switch to stop the conveyor belt in case of an emergency by pulling the rope. Pull cord switch is mounted on the walkway side of the conveyor belt, preferably at about every 30 meters. When the rope is pulled from any side,the switch gets operated. Unless and until the handle is reset manually to normal position, the switch remains in operated condition. NC contacts of all pull cord switches are wired in series and further connected to PLC. When any switch along the belt operates, the contact opens and conveyor is stopped.
Frequently Asked Questions:
What is the use of pull cord switch?
When an accident occurs, a pull cord switch is used to immediately stop the belt conveyor. Because the Pull Cord Switch is designed to be installed on the side of the belt conveyor and the pull cord to be mounted along the conveyor, the switch can be actuated in any position.
How does a pull cord work
When the rope's grip is pulled, the rope uncoils, tensions the spring, engages the clutch and turns the crankshaft, spinning it to crank or start the engine before the end of the pull stroke. The running of the engine then disengages the clutch.
What is a pull cord called?
A pullstring (pull string, pull-string), pullcord (pull cord, pull-cord), or pullchain (pull-chain, pull chain) is a string, cord, or chain wound on a spring-loaded spindle that engages a mechanism when it is pulled. It is most commonly used in toys and motorized equipmen
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