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Selection and installation of sliding switch of belt conveyor Installation method and matters needing attention

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Update time : 2023-01-31 10:38:10
Selection and installation of sliding switch of belt conveyor Installation method and matters needing attention:
The relation between the diameter of the conveying drum of the belt conveyor and the belt layer of the conveyor belt, the matching of the driving drum, the groove Angle of the reversing drum and the drum should be selected reasonably according to the design regulations of the conveyor.
The feed direction shall be in the running direction of the conveyor belt. In order to reduce the impact of falling materials on the conveyor belt, chute should be used to reduce the falling distance of materials.
The receiving part of the conveyor belt should shorten the spacing between idler wheels and use buffer rolls as leakage materials.
The belt conforms to a soft and moderate baffle to prevent the baffle from being too hard and scratching the belt surface of the conveyor belt.
Selection principles and precautions:
Select the appropriate installation method according to the product type; Non-contact sliding switches should be installed away from strong electromagnetic interference and covered with a metal cover.
The slip alarm value should be set after the actual measurement; The speed parameters of each belt conveyor are usually different, and the actual belt running speed is also affected by the installation method and structure of the conveyor, so each conveyor must be set up one by one. The action alarm value of the sliding switch of the machine.
Some products can automatically avoid low speed when the conveyor starts: the conveyor will power the slide switch at the same time the conveyor starts. After the slide switch is energized, after a period of time, it will begin to detect belt speed normally. Try to display real speed and remote display. A product that transmits speed signals.
By installing two protective devices, steer switch and slide switch, belt conveyors can effectively reduce the possibility of conveyor failure, reduce downtime, and better protect transportation equipment and personnel. The products corresponding to the measuring range should be selected according to the actual moving speed of the belt conveyor being measured; Usually, when the conveyor is in normal operation, the speed of the belt running line is about 2.5-4m /s, and the speed of the drum is about 50-300rpm. At the same time, in addition to comparing the rotation speed of the drum and the speed of the conveyor belt, and comparing the sliding switch type, choose the product that can automatically avoid the low speed when the conveyor belt starts. Because the slip alarm of the coal conveyor belt is actually a low speed alarm, therefore, the slip alarm should be shielded during the start of the conveyor. A delay detection method for belt startup can be used (i.e., the delay is delayed for some time after the start of startup, and the working power of the skid switch is turned on after the belt conveyor reaches the belt. Normal speed), but more cumbersome to implement.
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