【船舶知识】船舶电装预制件制作工艺

◎荐读丨智能化部  转自丨新劳船级社

船舶电装预制件制作工艺

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.

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	名称Name	耐火等级 Fireproofing grade	使用场所site
AW1	DMT-W水密式A-60级耐火电缆框DMT-W watertight grade A-60 fireproofing transit	A-60，A-30，A-15	舱壁bulkhead
AW3	DMT-W水密式A-0级耐火电缆框DMT-W watertight grade A-0 fireproofing transit	A-0	舱壁bulkhead

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

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

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	名称 Name	耐火等级 Fireproof class	使用场所site
AW2	DMT-W水密式A-60级耐火电缆筒DMT-W watertight grade A-60 Fireproofing penetration	A-60，A-30，A-15	甲板deck
AW4	DMT-W水密式A-0级耐火电缆筒DMT-W watertight grade A-0 Fireproofing penetration	A-0	甲板deck

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

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

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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