船舶电装预制件制作及电缆贯穿件隔堵工艺TECHNOLOGY OF CABLE PENETRATION&SEALING FOR STEEL SHIP page 1 total 10 预制件的工艺要求 Technology of cable penetration1.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 penetration is 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 1Ordinary transit (no-fireproof no-watertight) see drawing 1.1.1 普通电缆框 Horizontal ordinary transit表示方法 Express： DK LBHDK-普通电缆框 Horizontal ordinary transit 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 BHDT -普通电缆筒 Vertical ordinary transit L长 length B宽 wide H高 high 板厚 thickness小型普通电缆框、筒可用镀锌管压制代用。Mini ordinary transits can be taken placed by pressed galvanized tube.1.3 耐火电缆框 Fire-proof horizontal transit表示方法 Express： AWn LB250AW-耐火电缆框 Fire-proof horizontal transitL长 length B宽 wide 高 height -250mm 板厚 thicknessn耐火等级详见下表 type number, see followed table电缆框高度固定为 the is fixed：250mm 船舶电装预制件制作及电缆贯穿件隔堵工艺TECHNOLOGY OF CABLE PENETRATION&SEALING FOR STEEL SHIP page 2 total 10 类型参数Type 名称 Name耐火等级Fireproofing grade使用场所siteAW1DMT-W 水密式 A-60 级耐火电缆框DMT-W watertight grade A-60 fireproofing transitA-60，A-30，A-15 舱壁bulkheadAW3DMT-W 水密式 A-0 级耐火电缆框DMT-W watertight grade A-0 fireproofing transitA-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 fireproof transit (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 船舶电装预制件制作及电缆贯穿件隔堵工艺TECHNOLOGY OF CABLE PENETRATION&SEALING FOR STEEL SHIP page 3 total 10 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 bend radius, use the Fireproof transit of single side ( perfusion hole and ventilate hole be same side deck) in some special space. see drawing 3.图 3 AW1，3 单侧型耐火电缆框1.4 耐火电缆筒 Vertical fireproof transit表示方法为 express: AWn LB215AWn 耐火电缆筒 Vertical fireproof transit L长 length B宽 wide height 高 215mm - 板厚 thicknessn耐火等级详见下表 type number, see followed table电缆筒高度固定为 the is fixed：215mm 船舶电装预制件制作及电缆贯穿件隔堵工艺TECHNOLOGY OF CABLE PENETRATION&SEALING FOR STEEL SHIP page 4 total 10 类型参数Type名称Name 耐火等级Fireproof class使用场所siteAW2DMT-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 deckAW4DMT-W 水密式 A-0 级耐火电缆筒DMT-W watertight grade A-0 Fireproofing penetrationA-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, after stuffing ,the difference is only covered fireproof insulation. The thickness not less than 40mm normally, the detail is according to fireproof insulation drawing.DRAWING 41.5 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 船舶电装预制件制作及电缆贯穿件隔堵工艺TECHNOLOGY OF CABLE PENETRATION&SEALING FOR STEEL SHIP page 5 total 10 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 of galvanized steel tube, there are two types, one is straight pipe with gland for single cable, another is goose neck pipe for multi-cables. The cut edge should been grinded to smooth. The tube stuff using thermal shrink tube in E/M or on open deck, for other area, the pipe should been stuffed plasticene.表示方法为 Express: DGH -管子通径 diameter H- 高 heightdrawing 51.6 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 cable passes 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 Cable gland d-填料函尺寸 dimension of glanddrawing 6 船舶电装预制件制作及电缆贯穿件隔堵工艺TECHNOLOGY OF CABLE PENETRATION&SEALING FOR STEEL SHIP page 6 total 10 2. 电缆支承件 Cable support2.1 扁钢支架 见下图 7, Flat steel ( see: drawing 7)用相应规格的扁钢弯制而成，切口的毛刺及锐边打磨光滑，镀锌 2030。It made of smooth flat steel ,galvanized 2030表示方法为 Express: DB LBH or DB BL长 length B宽 wide H-脚高 height 厚度 thickness如 L、H 的值缺省，则相应代表扁钢长度为 550、扁钢高度现场定If no showing the data of L and H, please refer to the followed table. Type L B H 1 550 20 32 550 4