Main features of high voltage connectors

The main function of the high voltage connector is to automatically connect the 25kV high voltage circuits on the roofs of the two locomotives when they are connected. The high voltage connector is mounted on the roof at the rear of each car, and at the same time is coupled to the hooks through the strength of the hooks of the locomotive and the trailer. When separated, it is automatically separated from the hook of the random car.1. The high voltage connector itself has no operating mechanism, and the operating force for connection and separation is derived from the traction force of the locomotive's hook when it is connected or separated. The connection or separation of the random coupler is completed at the same time, so it is very convenient to operate independently.2. Under the connection state of the high-voltage connector, the contact pressure of the contact is only related to the contact spring, and it is not affected by the running state of the locomotive, so the contact pressure of the contact is basically constant, avoiding the wear and corrosion of the contact.3. The conductive contact is a fork-ring structure, which is a typical line contact method, and the working state of the high-voltage connector is Stable and reliable, small contact resistance, good heat dissipation performance.

4. High-voltage connectors are not equipped with arc extinguishing devices and need to be connected or separated without electricity. 5. High-voltage connectors need to be used in pairs. Considering the generality and interchangeability of the products, each high-voltage connector has the same structure and good interchangeability. In order to meet different operational requirements, can be any combination. High-voltage connector use and maintenance precautions Since the high-voltage connector is used in 25 kV high-voltage circuit, in order to maintain its good working condition, the following points need to be noted:1. Ensure that there is no electricity to connect the high-voltage connector or separation operation. Before the connection operation, observe that the flared head is clean and that the fork in the head cover springs back. If it pops back, you need to use a hook tool to pull it apart to carry out the connection operation.2. Be sure to observe whether the insulator surface is clean, dry, cracked or damaged, otherwise it should be cleaned or replaced in time.3. Check the rubber bellows frequently and replace it in time if it is damaged, so as not to let rainwater and dust enter into the flared head and the cross-axis support body, which will cause corrosion of the parts and affect the performance of the action of the high voltage connector.4. Lubricate the rotating parts of the high voltage Connector rotating parts, so that it can swing up and down, and reset as required. If the flared head of the single-section connector cannot be kept horizontal, it can be adjusted by the adjusting screw on the cross support, which can be adjusted clockwise and counterclockwise.

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