封闭式母线槽桥架的隔离措施
1, according to the bus slot diagram, starting from the end (or the entrance of the electrical shaft) upward, forward installation. The curve bus groove is selected according to its position in the assembly of the plug-in busbar, and the L horizontal bend is applied to the flat horizontal installation turn. It is also applied to the vertical installation and lateral horizontal installation.
2、济南电缆桥架按照母线槽排列图，将各节母线槽，插接开关箱，进线箱运各安装地点。安装前应逐节摇测母线槽的绝缘电阻，电阻值不得小于20MΩ。母线槽槽，固定距离不得大于2.5m，水平敷设距地高度不应小于2.2m。各段母线槽槽的外壳连接应是可拆的，外壳间有跨接地线。两端应可靠接地。母线槽槽的端头应装封闭罩。
2, according to the bus slot arrangement diagram, each bus slot, plug switch box, into the line box shipped to the installation site. Before installation, the insulation resistance of the bus slot shall be measured by pitch, and the resistance value shall not be less than 20M. The fixed distance of the bus groove shall not be greater than 2.5m, and the horizontal laying distance shall not be less than 2.2m. The housings of each busbar slot shall be removable and there is a jumper wire between the housings. Both ends shall be grounded reliably. The end of the bus groove shall be equipped with a closed cover.
3、封闭式母线槽垂直安装，沿墙或柱子处，应做固定支架，过楼板处应加装防震装置，并做防水台，防水台应在土建浇灌混凝土时一次作成，高度50mm宽度80mm，混凝土强度不少于C20。
3, closed busbar vertical installation, along the walls or columns, should do the fixed bracket, the roof should be installed over the shock protection device, and waterproof, waterproof should be a civil in the pouring of concrete into, height 50mm width 80mm, concrete strength is not less than C20.
4、L型弯头应用与侧卧安装的转弯，也应用于垂直安装与平卧安装之间的过度，T型垂直弯头应用与侧卧安装的转弯，也应用与垂直安装与平卧安装之间的过度，Z型水平弯头应用于母线槽平卧的转弯，Z型垂直弯头应用于母线槽侧卧安装的转弯，变压器母线槽槽应用于大容量母线槽槽向小容量母线槽槽的过度。
4, L application and installation of lateral elbow turn, also applies to the installation of vertical and horizontal installation between excessive turning T vertical elbow application and laterally arranged, but also between the application and the installation of vertical and horizontal installation over Z type horizontal elbow used in busbar recumbent turn, Z vertical elbow application in the busbar installation side turn, transformer bus slot used in large capacity bus slot to small capacity bus slot over.
5、封闭式母线槽垂直安装距地1.8m以下应采用保护措施(电气专用竖井，配电室，电机室，设备层等除外)。封闭式母线槽穿越防火墙，防火楼板时，应采取防火隔离措施。
5. The enclosed bus groove shall be installed vertically. The protection measures should be adopted below the ground 1.8m, except for the electric shaft, the power distribution room, the motor room, the equipment layer and so on. Closed type bus trough through the firewall, fire floor, fire isolation measures should be taken.
连接时将母线槽的小头插入另一节母线槽的大头中去，在母线槽间及母线槽外侧垫上配套的绝缘板，再穿上绝缘螺栓加平垫片，弹簧垫圈，然后拧上螺母。
Connect the busbar and busbar section head insert another head to insulation board supporting in busbar and busbar lateral pad, and then put on the insulation of bolts and flat washers, spring washers, and screw nut.
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