电缆桥架应用与很多场合中,也发挥着本身的作用,使用效果还是很不错的,那么有的用户就会问电缆桥架如何在竖井中顺利架设呢?那我们就一起来看看架设的方法吧。
Cable bridge application and many occasions, also plays its own role, the use effect is very good, then some users will ask how to install cable bridge in the shaft smoothly? Let's take a look at the method of erection.
济南电缆桥架就位后,即可铺设电缆。根据设计要求,桥内需要敷设的电缆应放置整齐,排列整齐。尽量避免穿越。铺设时应按适当距离固定,并及时安装标志。电缆终端和标志应安装在竖井的两端,行号应在标志上标明。如无编号,应注明电缆型号、规格及产地:字迹清晰、不易脱落、规格统一、耐腐蚀、吊挂公司。在终端和连接器处留出多余的电缆长度。
After ji 'nan cable bridge is in place, the cable can be laid. According to the design requirements, the cables to be laid in the bridge should be neatly placed and arranged. Try to avoid crossing. Laying should be fixed according to the appropriate distance, and timely installation of signs. Cable terminals and marks shall be installed at both ends of the shaft, and line numbers shall be indicated on marks. If there is no serial number, the cable model, specification and origin should be indicated: clear writing, not easy to fall off, uniform specification, corrosion resistance, hanging company. Leave extra cable lengths at terminals and connectors.
电缆进入竖井、面板和管道时,应关闭进出口,并密封管道开口。对于井筒内敷设麻皮的电缆,应剥去麻皮,并做好铠装防腐蚀处理。电缆桥架通过竖井后,用防火枕将其密封严实。结构施工时,采用预埋在楼板底面的预埋件固定防火隔板,防火隔板采用4mm厚钢板制作。
When cables enter shafts, panels and pipes, the inlet and outlet should be closed and the pipe openings sealed. For the cable laid with hemp skin in the wellbore, the hemp skin should be peeled off, and the armored anti-corrosion treatment should be done. After the cable bridge passes the shaft, it is sealed tightly with a fireproof pillow. In the construction of the structure, the embedded parts embedded in the bottom of the floor are used to fix the fireproof partition, and the fireproof partition is made of 4mm thick steel plate.
火枕共有三种规格,其中I型为32O×120×25,II型为160×120×25,III型为160×75×25,应根据大小选择火枕的类型预留孔的大小和桥架的尺寸。在防火隔板上放置防火枕时,应摆放整齐,并靠近电缆,使防火枕与电缆的间隙不大于1cm,防火枕的厚度不宜过大。小于24厘米。
There are three specifications of the fire pillow, of which type I is 32O×120×25, type II is 160×120×25, and type III is 160×75×25. The size of the reserved hole and the size of the bridge should be selected according to the size of the type of the fire pillow. When placing fire pillows on the fire partition, they should be neatly placed and close to the cable, so that the gap between the fire pillows and the cable is not more than 1cm, and the thickness of the fire pillows should not be too large. Less than 24 cm.
另外可采用吊顶支撑柱作为线槽在顶棚内敷设线缆时,每根支撑柱所管辖范围内的线缆可以不设置线槽进行布放,但应分束绑扎。缆线护套应阻燃,缆线选用应符合设计要求。不应受到外力的挤压和损伤。
In addition, if a suspended support column can be used as a cable trough to lay cables in the ceiling, the cables within the jurisdiction of each support column can be routed without a cable trough, but should be bundled. Cable sheath should be flame retardant, cable selection should meet the design requirements. Should not be squeezed and damaged by external forces.
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