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高杆灯避雷针安装方法是什么？

高杆灯避雷针安装方法是什么？

浏览：46次 | 提问时间： 07-30 10:57

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脑海里没有你 07-30 10:58

将支座钢板固定在预埋的地脚螺栓上 , 焊上一块肋板 , 再将避雷针立起 , 找直、找正后 , 进行点焊 , 然后加以校正 , 焊上灯具三块胁板。最后将引下线焊接在底板上 , 清除*皮刷防锈漆。如用混凝土支座，将混凝土支座分档摆好。先在两端支架间拉直线，然后将其它支座用砂浆找平找直。

白日衣衫净 07-30 11:06

一步：先把高杆灯灯杆平稳放在地上,用∅150以上‌‌圆钢管和枕木垫平、垫直，使上下两节灯杆在一条直线上(焊缝对焊缝）。第二步：用主钢绳穿插至杆底(每套高杆灯配4条不锈钢钢丝绳，其中1条为主钢绳比灯具钢绳要粗大些,另外3条相对小的为副钢绳）第三步：用两只拉力为3至5吨的吊葫芦,放在灯杆的两侧，两条∅16的钢绳放置好，锁好钢绳之后，两边一起缓慢均匀用力拉吊葫芦，一般套接深度为70cm左右（不同的杆体套接深度不一样）拉的时候要注意保持两节灯杆在一条直线上，拉不动时，可以用10磅的大锤，在灯杆接口处（灯杆的两侧和上侧均衡用力）敲打几下，再拉紧，再敲打，直到拉紧为止。第四步：定滑*支架上穿3条副钢绳120°均布（带螺杆的一端在管内），穿好后，锁在连接法兰上(锁两颗螺母，一定要锁紧）,同时把主电缆穿过定滑*(穿过连接法兰1.2米后打个结防止电缆在提升时脱落），注意确保钢绳和电缆在灯杆内不会缠绕。第五步：在安装定滑*支架之前将灯盘套在杆体内，套的时候注意灯盘的方向。沈阳太阳能路灯www.shyludeng.com/new/483.htm沈阳路灯25吨的吊车（有双钩的，主钩和副钩），把吊绳在灯杆门下绕一圈后拉到位置再绕一圈拉紧，先用主钩拉起到相对位置吊起灯杆离地1.5米处停止不动，把灯盘套在杆上,把主钢绳锁在连接法兰上（锁两颗螺母，要锁紧），然后，把定滑*支架抬起来，用螺丝固定在灯杆上，再装上防水盖和避雷针,把副钢绳和主电缆拉直在灯杆的侧边。第六步：用副钩吊起用人扶着灯盘往下移到检修平台处（有3个“7”形的检修平台，在吊起时，要把它插在灯杆上）之后，人离开，吊车缓慢吊起灯体到地基上，（每根螺杆上，先放一个螺母，一个垫片，用水平尺找平，放上灯体法兰后，再放一个垫片，一个螺母）

时间掌灯人 07-30 11:14

在房屋最高处竖一金属棒，棒下端连一条足够粗的铜线，铜线下端连一块金属板埋入地下深处潮湿处。金属棒的上端须是一个尖头或分叉为几个尖头。有了这样的装置，当空中有带电的云时。避雷针的尖端因静电感应就集中了异种电荷，发生尖端放电，与云内的电相中和，避免发生激烈的雷电、这就是避雷针能避雷的一方面。但这种作用颇慢，如果云中积电很快，或一块带有大量电荷的云突然飞来，有时来不及按上述方式中和，于是有强烈的放电，加雷电仍会发生。但这时由于避雷针高过周围物体，它的尖端又集中了与云中电异号的电荷，如果雷电是在云和地面物之间发生，放电电流主要通过避雷针流入大地，因此，不会打在房屋或附近人的身上，只会打在避雷针上了。由此可见，避雷针的尖端放电作用会减少地面物与云之间打雷的可能性；到了不可避免时，它自己就负担了雷的打击，房屋与人得到了安全。由于避雷针的构造和作用，我们要特别注意保持避雷针的良好导电性。一旦有一处联接不好，或断了，断口以上的一段就成为一个隔离的导电系统。当云中有电荷时，这隔出的部分上部感应出与云中电异号的电荷，而下部感应出与云中电同号的电荷，如果上部和云中电起放电作用时，强大的放电电流只能通过建筑物放出大量热量，于是引起雷击。这样不但不能避雷，反而还招来雷祸。为防意外，高大建筑物最好竖起几条避雷针。另外，每一又避雷针只能保护一定的建筑面积。对于较大的建筑物也需要竖起几条避雷针。

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高杆灯避雷针安装方法是什么？