Ring main unit

• Main Authors: DING ZHENDONG, CAI SHITAO, YAN JUNKANG, CHEN CHI
• Format: Patent
• Language: Chinese; English
• Published: 22.06.2018
• Subjects: BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The utility model discloses a ring main unit belongs to transmission & distribution electrical equipment field, and it includes curb plate and diaphragm, the curb plate has two sets of inner grooviesto the inboard indent shaping at least of ring main unit, wear to be equipped with bolt and nut group in the inner groovy, the degree of depth of inner groovy is greater than the length that the connecting piece lies in ring main unit outside part, the shaping is buckled by the edge of diaphragm has the hem, bolt and nut group is including fastening bolt and fastening nut, fastening bolt wears toestablish hem and curb plate in proper order, the bottom of inner groovy is planar structure, the last cover in proper order of fastening bolt is equipped with iron gasket and rubber gasket, the indent shaping has the constant head tank that is used for the interior groove inner side wall of laminating on the hem, integrated into one piece has the piece of taking that is used for supporting the diaphragm on the inside wall