Solution
What are the protection contacts of bucket elevator for cement plant
Release time:
2022-01-17 13:36
Source:
What are the protection contacts of bucket elevator for cement plant, the following bucket elevator for cement plant manufacturers will take you to find out.
1. Brake oil pressure overpressure protection relay contact: The bucket elevator for cement plant manufacturer tells you that when the brake oil pressure is overpressured, the oil pressure relay contact is closed, on the one hand, it sends out a light signal, and on the other hand, it makes the normally closed contact in the Ac circuit. Head disconnected.
2. Loss of current protection relay contact: It is used for disconnection protection of the depth indicator self-aligning machine, and the car contact is disconnected when the line is disconnected.
3. Contact of dynamic brake voltage loss relay: when the controllable dynamic brake power supply has no voltage or the voltage is too low, the contact will be disconnected.
4. Auxiliary contact of oil opening cover: When the main circuit is overcurrent, the father or other reasons trip the high-voltage circuit breaker, the safety brake contactor is disconnected at the same time, and the bucket elevator for cement plant brakes safely.
5. Over-roll switch contact: disconnect when the lifting container is over-rolled. The bucket elevator for cement plant manufacturer tells you that one set is installed on the derrick and the other set is installed on the depth indicator, which has the same function. In addition, there is a failure of the overwind reset switch, which is used to short-circuit the overwind lift switch that has been touched, so that the AC circuit is connected, and the safety brake is released, so as to release the overwind container. After the container returns to the normal position, the hoist should be disconnected in time, otherwise the over-roll protection will be lost.
6. The brake shoe wears the switch contact: the bucket elevator for cement plant manufacturer tells you that when the brake shoe is excessively worn, the contact will be disconnected. In addition to the protection devices installed in the safety circuit, there are also some protection devices, which do not require the hoist to stop immediately, so that the cycle can be completed, but it is not allowed to start again. The bucket elevator for cement plant manufacturer tells you that the normally open contact of the oil pressure relay is closed when the lubricating oil is over pressure, the normally closed contact of the oil pressure relay is closed when the lubricating oil is under pressure, and the normally open contact of the brake oil overheat temperature relay is closed Wait.
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