The utility model discloses a closed type insulation
bus duct relates to
bus duct technical field, including bearing frame, the inside of bearing frame is provided with
bus column, and the side of bearing frame is provided with overhauling subassembly, the one side of bearing frame's top is provided with positioning
assembly, and overhauling subassembly includes overhauling side plate, the one side middle of overhauling side plate is provided with sealed resistance to touch board, and the top and bottom of overhauling side plate are provided with connecting plate, and the sealed resistance to touch board is provided with the
insertion slot and sealing strip between connecting plate, the utility model discloses the connecting plate of overhauling side plate top is connected between the installation top plate frame through the setting, thereby the separation of overhauling side plate and bearing frame is convenient, and with the bearing through the setting positioning
threaded rod, realize the positioning connection of overhauling side plate and bearing frame, and through the setting positioning
threaded rod and hexagonal nut simultaneously, the rotation of positioning
threaded rod is convenient, need not to adopt additional tool, improve overhauling efficiency.