Handling of common problems in the operation of isolation switch of pickles food packaging machine

Processing of the common problems in the operation of the isolation switch of the pickle food packaging machine; The contact and contact part of the isolation switch of vacuum packaging machine are the key parts in operation and maintenance. Because in the operation, due to the packaging machinery equipment contact tightening parts loose, poor contact, blade or tip of the spring rusty or overheating, the spring pressure will be reduced. After disconnection, the contact of the disconnecting switch is exposed to air, which is prone to oxidation and dirt. The disconnecting switch may have arc during operation, which may burn the contact surface of the moving and static contact. Each continuous parts will wear or deformation, affecting the contact surface contact. And in the process. If the force is not appropriate, the position of the contact is not correct, and the contact pressure is insufficient, resulting in poor contact and overheating of the contact. Because this is on duty personnel is in inspect the circumstance that distributive switch touches the hair to be hot when distributing device, the color paint that can be contacted according to the part or show the change of temperature piece color and melting degree will judge, also can change color according to the color of blade, even have the phenomenon such as aglow, spark to decide.

1. Deal with the common problems in the operation of the isolation switch of the pickle food packaging machine; Packaging machine contact overheating, temperature sheet melting treatment

(1) processing of common problems in the operation of isolation switch of kimchi food packaging machine; The actual contact temperature shall be measured with the temperature indicator or the infrared thermometer. If the temperature exceeds the specified value (70℃), the cause shall be identified and timely handled.

(2) processing of the common problems in the operation of the isolation switch of the pickle food packaging machine; The contact surface of packaging machine disconnecting switch should check the conductive part. If the contact is not good and the knife edge and contact change color, the contact can be pushed upward by the insulation rod of the corresponding voltage grade to improve the contact. However, the force should not be too strong, in case of slipping, but to enlarge the accident. However, it should be observed after the overheating situation, strengthen monitoring. Use of the method is prohibited if all disconnecting switches are red.

(3) processing of common problems in the operation of isolation switch of kimchi food packaging machine; If the load at this time, should report scheduling requirements load reduction.

(4) processing of the common problems in the operation of the isolation switch of kimchi food packaging machine; Monitoring should be strengthened before treatment to deal with problems in a timely manner

2. Deal with the common problems in the operation of the isolation switch of the pickle food packaging machine; External damage or serious flashover of porcelain parts of isolation switch of automatic vacuum packaging machine

(1) processing of common problems in the operation of isolation switch of kimchi food packaging machine; Report dispatching immediately, deal with it as soon as possible, and strengthen monitoring before power failure. (2) such as porcelain pieces have greater damage or discharge, should use a switch to disconnect the power supply. level

(3) processing of common problems in the operation of isolation switch of kimchi food packaging machine; Do not disconnect load and connection point (35kV and below) with self disconnecting switch.

3. Deal with the common problems in the operation of the isolation switch of the pickle food packaging machine; Automatic packaging machine disconnecting switch to refuse to pull, close the processing

(1) processing of common problems in the operation of isolation switch of kimchi food packaging machine; Vacuum packing machine disconnecting switch refuses to pull. When the disconnector cannot be opened, do not hard pull, especially the bus side disconnector, should be found out the reason before pulling. For example, the operating mechanism is frozen, corroded and stuck, the disconnecting switch is moved, the static contact is deformed, the porcelain part is broken or broken, the operating power is intact, the electric operating mechanism, the electric motor is out of power or the mechanism is damaged or the lock fails. Before the cause is found out, it should not be forcibly pulled away, otherwise it may cause equipment damage accident. At this time only change the mode of operation, timely to the scheduling for power failure maintenance.

(2) processing of the common problems in the operation of the isolation switch of the pickle food packaging machine; Vacuum packing machine disconnecting switch refuses to close. When the disconnecting switch cannot be closed, the reason should be found out in time. Firstly, check whether the locking loop and operation sequence are in accordance with the regulations, and then check whether the shaft pin falls off, whether there are mechanical failures such as wedge bolt exit and cast iron fracture. The electric mechanism should check whether the motor loses power and other electrical circuit faults, whether the operating power is intact and find out the cause, and operate after treatment. When some disconnecting switches have congenital defects and are not easy to be closed, the same voltage level can be used for operation, but force should be appropriate, or apply for power failure maintenance

4. Deal with the common problems in the operation of the isolation switch of the pickle food packaging machine; Personnel misoperation, with load mispull, close disconnecting switch processing

(1) mistakenly pull the disconnecting switch is due to the operator of the actual situation did not grasp, or did not seriously implement the procedures and occurred. Once the disconnecting switch is mistakenly pulled with load, if the blade is just off the edge (already started arc), the disconnecting switch should be closed in the opposite direction immediately. However, if the disconnecting switch has been mistakenly pulled and the arc has been cut off, the disconnecting switch should not be closed again.

(2) misfit disconnecting switch. Operator error with load misfit disconnecting switch, no matter what the situation, do not allow to open, if it is necessary to open, the application of the circuit breaker to load cut off, then open the misfit disconnecting switch.