Safety belt conveyor protection device

Safety belt conveyor protection device is the work of the conveyor failure can be monitored and alarm equipment, conveyor systems enable safe production , normal operation

and prevent damage to the mechanical screw conveyor parts to protect the safety of operating personnel . In addition, to facilitate centralized control and improve the level of automation ,

protection and monitoring devices common are as follows:
( A ) deviation switch
Deviation switch is used to detect the amount of belt deviation and distortion levels to prevent deviation conveyor and material damage caused by its edges crisp , automatic

alarm and Mine conveyors shutdown of a protective device . Mild deviation alarm signal when severe delay action when deviation , alarm, automatic shutdown. Deviation switch is usually

installed in belt conveyor head , tail , the middle and the left to the detection point .
( 2 ) Pull-wire switches
Rope switch for conveyor -site emergency stopping a protection device, when an emergency occurs, anywhere in the field pulling the rope , can send an alarm signal , and then

self-locking , parking . Generally every 60m rope switch installed in the conveyor frame sides.
( 3 ) slip detecting means
Slip monitoring device for monitoring the shaft with the drive roller and belt conveyor velocity difference between the line and can send alarm signals to achieve automatic

belt tensioning and normal shutdown .
( 4 ) speed detecting means
Speed ​​detecting means for transport or the downstream conveyor transport conditions. When the conveyor belt speed reaches a predetermined speed of 115% -125 %, the alarm and

emergency stop .
( 5 ) attempts to prevent the switch chute
Chute attempts to prevent the switch is used to monitor the belt conveyor system chute blockage. When the formation of clogged chute , automatic alarm and emergency stop .
( 6 ) longitudinal tear protective device
Longitudinal tear itself conveyor protection device is used to detect when there is sharp infeed conveyor , torn from the middle of the conveyor belt automatic alarm and

emergency stop .