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船舶电装预制件制作工艺 TECHNOLOGYOF CABLE PENETRATION&SEALING FOR STEEL SHIP
预制件的工艺要求Technologyof cable penetration 1.电缆贯穿件Cable transit 若托盘表中没有特别注明，贯穿件的材料为普通A级钢。贯穿件制成后，将锐边及毛刺打磨，并进行防腐蚀处理，一般涂防锈底漆二度。 The material of penetrationis ordinary steel (class A) in generally, if no specify.The transit should be grinded, and coating two layers. 普通电缆贯穿件(无防火，及水密要求) 见下图1 Ordinary transit(no-fireproof no-watertight) see drawing 1.
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1.1普通电缆框 Horizontal ordinary transit 表示方法Express： DK L×B×H×δ DK--普通电缆框 Horizontal ordinarytransit 1.2 普通电缆筒（无防火，水密要求）见下图1。 Vertical ordinary transit (no-fireproof no-watertight)see drawing 1. 表示方法Express： DT L×B×H×δ DT --普通电缆筒Vertical ordinarytransit L—长length B—宽wide H—高high δ—板厚thickness 小型普通电缆框、筒可用镀锌管压制代用。 Mini ordinarytransits can be taken placed by pressed galvanized tube. 1.3 耐火电缆框Fire-proof horizontaltransit
表示方法Express： AWn L×B×250×δ AW--耐火电缆框Fire-proof horizontal transit L—长length B—宽wide 高height --250mm δ—板厚thickness n—耐火等级详见下表type number, seefollowed table 电缆框高度固定为the is fixed：250mm 类型参数Type | | | | | AW1 | DMT-W水密式A-60级耐火电缆框DMT-W watertight grade A-60 fireproofing transit | | | | AW3 | DMT-W水密式A-0级耐火电缆框DMT-W watertight grade A-0 fireproofing transit | | |
标记示例Signature: A W n ────型式序号fire-proof grade └─────── 无机型填料watertight └───────── A级水密耐火结构fire-proof mark
制作双侧型耐火电缆框(灌注孔和透气孔在舱壁两侧)的具体要求如下图2: 一般情况下，选用如图2的耐火电缆框。 Double side fireprooftransit (perfusion hole and ventilate hole in two sides), see: drawing 2: In generally, this kind of fire-proof transit will be priority used (see drawing 2), 图 2 AW1，3 双侧型耐火电缆框
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若为保证电缆必要的弯曲半径，在某些特殊区域，可选用如图3的单侧型耐火电缆框(灌注孔和透气孔在舱壁同侧)。 For keep the necessary bendradius, use the Fireproof transit of single side ( perfusion hole and ventilate hole be sameside deck) in some special space. see drawing3. 图3 AW1，3 单侧型耐火电缆框
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1.4 耐火电缆筒Verticalfireproof transit 表示方法为express: AWn L×B×215×δ AWn耐火电缆筒Vertical fireproof transit L—长length B—宽wide height高215mm δ--板厚thickness n—耐火等级详见下表type number, see followedtable 电缆筒高度固定为the is fixed：215mm 类型参数Type | | | | | AW2 | DMT-W水密式A-60级耐火电缆筒DMT-W watertight grade A-60 Fireproofing penetration | | | | AW4 | DMT-W水密式A-0级耐火电缆筒DMT-W watertight grade A-0 Fireproofing penetration | | |
制作具体要求如下图4： AW1、AW2型的电缆贯穿件的制作、安装要求同AW3、AW4型的贯穿件，只是在填料结束后，在船体包覆耐火绝缘层的一侧包覆耐火绝缘毡。包覆厚度按舾装专业的防火绝缘布置图的相应要求来定，一般不低于40mm厚。 Requirement as following drawing 4: Make and installation of AW1、AW2is same as AW3、AW4, afterstuffing ,the difference is only covered fireproof insulation. The thicknessnot less than 40mm normally, the detail is according to fireproof insulationdrawing. DRAWING 4
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1.5 电缆管 见下图5 Cable pipe ( see: drawing 5). 电缆管用镀锌钢管切割或弯制成，分直管和弯管两种，切口的毛刺及锐边打磨光滑。直管用于单根电缆的贯穿, 弯管用于多根电缆的贯穿。直管上口须根据电缆外径配相应尺寸的填料函。机舱或露天区域用热缩套管密封，其它区域用橡皮泥封堵。露天甲板的电缆管须配相应规格的套管以防腐蚀。 Cable pipe made ofgalvanized steel tube, there are two types, one is straight pipe with gland forsingle cable, another is goose neck pipe for multi-cables. The cut edge shouldbeen grinded to smooth. The tube stuff using thermal shrink tube in E/M or onopen deck, for other area, the pipe should been stuffed plasticene. 表示方法为Express: DGФ×H Ф--管子通径diameter H--- 高height drawing 5
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1.6 填料函见下图6 Cable gland ( see: drawing 6). 单根电缆需贯穿B-0级水密壁时,可采用填料函并加焊长100的钢管。 Single cablepasses through WT B-0 class bulkhead, the gland can be welded on 100 mm pipe. 表示方法Express : TH X d TH--填料函Cablegland d--填料函尺寸dimensionof gland drawing 6
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来源：新劳船级社
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发表于 2015-5-22 16:38
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