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选型安装表示方法 选型安装表示方法
Selection and Installation of Cable Tray Selection and Installation of Cable Tray
电缆桥架的选型与安装 3.电缆桥架安装人员应具备如下要求:
应能熟悉电缆桥架的结构、操作和安装;
应有较高的安全意识,并有齐全的安全防护(安全帽、工作服、安装用手套等)。
一、电缆桥架的安装准备 4.电缆桥架的安装、测量设备
A、吊装设备:脚手架、人字梯、手动葫芦;
XQJ、LQJ、FQJ系列电缆桥架适用于电压在10千伏以下电力电缆,以及控制电缆、照明配线等室内、室
B、现场制作设备;临时电源、冲击钻、切割机、电焊机等;
外架空电缆、电缆沟、隧道的敷设。 C、锁紧设备:螺丝刀,M6-16扳手;
二、电缆桥架的安装准备 D、测试设备:水平仪、卷尺、细线吊垂。
1.电缆桥架的工程设计 三、电缆桥架的安装步骤(所有安装步骤应在电缆未铺设前进行)
A、根据工艺流程及流程特点,以及电气室的布置、电气设备的分布,规划、制定电缆走向图(缆流 A、根据电缆桥架的最终设计走向,确认其走向上的障碍物及预留位置;
图); B、进行电缆桥架安装现场的支架制作及安装;
B、根据电缆走向图、电缆流量多少以及与工艺、设备、土建等各专业协商确定电缆构筑物和电缆桥架的 C、进行安装前的弯通、三通等的转向接头配制;
类型,如构筑物可选用:电缆夹层、电缆隧道、电缆沟、电缆竖井等,电缆桥架可选用:梯级式、托盘式、 D、吊装电缆桥架及段间连接;
槽式、组合式; E、对前期安装进行矫正、调整、检查。
C、根据电缆构筑物、电气室的布置、电缆的流量、电缆的分类、建筑物的形式和结构,选择桥架的层
数、尺寸; 四、电缆桥架的安装规则
D、根据工艺、土建专业提供的资料,确定支吊架的安装方式,并提出预埋件; 1.电缆桥架的装卸和储存
E、设计并绘出电缆桥架平面布置图。 电缆桥架不得用裸钢丝绳起吊和绑扎,桥架不得任意堆放和在地面上拖拉,外壳上不得进行其他作业,应
2.电缆桥架的安装人员 采用多点吊装及叉车平稳铲放且不得伤及桥架。电缆桥架应堆放于干燥、清洁、无腐蚀气体污染的仓库内,
电缆桥架的安装和维修保养应由专业安装人员进行。 电缆桥架上下摞放之间应夹放隔垫,并妥善保管。
2.电缆桥架的安装走向
每批桥架发货时,都配备详细的发货数量、长度清单;
Convenient and comprehensive cable tray installation criterion
Installation quality is to ensure a smooth cable tray laying and cable’s safe operation. The well-established installation Cable tray installation staff should have the following requirements
criterion is assurance of installation quality. Staff should be familiar with the cable tray structure, operation and installation;
Cable tray installation criterion is the following three points: Staff should have a higher sense of security, and a full range of security protection (helmets, overalls, gloves in
stallation, etc.).
Installation preparation of the cable tray The installation of cable tray and measuring equipment
Installation steps of the cable tray A. Hoisting equipment: scaffold, trestle ladder, manual hoist;
Installation regulation of the cable tray B. On-site equipment: temporary power, the impact of drilling, cutting machine, welding machine, etc.;
Installing preparation of the cable tray C. Locking devices: screwdriver, M6-16 wrench;
1. Engineering design of the cable tray D. Test equipment: level meter, tape measure, thread hanging.
A. Design and draft cable layout diagram (wiring diagram) according to character of technical flow, disposition of Installation steps of cable tray (all installation steps should be carried out before the laying of cables);
electric room ad distribution of electric equipment; A. Confirm barrier and preserved position on laying range according to final layout design of cable tray;
B. In accordance with the wiring diagram, consumption rate, as well as the technology, equipment, construction B. Make and installation support of the cable tray on-site;
and other professional consultations to determine the cable structure and the type of cable traycable tray. For example, C. Crossover sub setting of elbow and T-joint before installation;
select cable structure as: laminated cable, cable tunnel, cable channel, cable shaft, or select cable traytray as: ladder D. Hoist cable tray and segment connection;
type, tray-type, channel type, or combination type; E. Correction, adjustment and inspection of pre-installation.
C. According to cable structures, electrical layout of the room, consumption rate of cable, sort of cable, structure and Installation regulation of cable tray
fashion of building of the bridge ledge to choose the number of layers and dimension; 1. Cable tray handling and storage
Cable tray shall not use bare wire rope to lift and band. The bridge shall not be arbitrarily stacked on the ground and
D. Determine installation method and embedment according to the information provided by the process and dragging and the case shall not do other operations.
discipline; It should use many points forklift hoisting a smooth release and shovel may not hurting bridge. Cable bridge ledge
E. Design and draw out layout chart of cable tray. should be put in a dry, clean, non-corrosive gas pollution warehouse. The cable bridge should be piled up with folder
2. Cable tray installation staff pad and taken good care.
Installation, maintenance and servicing of cable tray should be performed by professional personnels only. 2. Installation louding of the cable tray
Prepare all the details of the number of shipments and the length of the list when consign cable tray.
1 CABLE SUPPORT SERIES CABLE SUPPORT SERIES 2