A three-column insulating support device for phase-isolated enclosed busbar

Through the three-pillar insulated support device, the number of welding flanges of the off-phase closed busbar is reduced, the sealing performance is improved, and the concentric position of the conductor and the shell is ensured, which solves the problem of air leakage and concentric installation of the shell in the prior art.

CN118522513BActive Publication Date: 2024-12-31JIANGSU NARI HENGCHI ELECRICAL EQUIP CO LTD +1
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Patent Information

Application Number
CN202410977802.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2024-12-31
Estimated Expiration
2044-07-22

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Abstract

The present invention relates to the technical field of phase-isolated enclosed busbars, and discloses a three-column insulating support device for phase-isolated enclosed busbars, including a support unit, the support unit including a shell, an insulating support fixing base sleeved inside the shell, bolts screwed between the inside of the shell and the insulating support fixing base, three pairs of limit plugs installed on the insulating support fixing base, each pair of limit plugs plugged with insulators, a conductor movably plugged inside the shell, and the conductor is coaxial with the shell, the outer wall of the conductor and the outer walls of the three insulators are in contact with each other, and the angle between adjacent insulators is 180°. The present invention effectively reduces the number of shell welding flange surfaces and better improves the sealing performance of the phase-isolated enclosed busbar; the device can be installed separately in advance, optimizing the installation process; after the insulator is installed, the conductor can be guaranteed to be concentric with the shell, eliminating the subsequent adjustment and alignment process, reducing the workload.
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