电气安装工程中,电缆桥架是一个必不可少的部分,其设计的优化程度及桥架材料的选择,直接关系到电缆桥架的安装质量。
电缆桥架材料选定:电缆桥架材质有很对,其中最为常见的是金属电缆桥架,其工艺最为简单,生产成本比较低,但存在很多缺点:使用寿命
短,容易腐蚀等。从当前的电缆桥架发展来看,在金属材料基础上发展起来的有不锈钢以及碳钢版,一般弹碳钢板带有防腐蚀材料,包括镀锌,
喷漆等。
其次是合金塑料电缆桥架。这是一种新型的复合材料,相对鱼传统的金属电缆桥架,有抗腐蚀,寿命长等优点。
再次是玻璃钢材料桥架。除了有传统桥架的刚性外,还有韧性比较好等特点,比较适合恶劣环境及重栽的情况下使用。
最后介绍防火电缆桥架。是一种组火材料配合下的新型复合电缆桥架,其耐火性能可以达到两个小时。
Classification of material for power cable bridge
The cable bridge is an indispensable part in the electrical installation
engineering. The optimization of the design and the selection of the material of the bridge are directly related to the
installation quality of the cable bridge.
Cable bridge material selection: the cable bridge frame material is very right,
the most common is the metal cable bridge, its process is the most simple, the production cost is low, but there are many
shortcomings: service life
Short, easy to corrode, etc. From the current development of cable trays, there are stainless
steel and carbon steel plates developed on the basis of metal materials. The commonly used carbon steel plates have
anticorrosive materials, including galvanizing.
Spray paint and so on.
The next is the alloy plastic cable bridge.
This is a new type of composite material, which has the advantages of corrosion resistance and long service life compared
with traditional fish metal cable tray.
Again, it is a FRP material bridge. In addition to the rigidity of the traditional
bridge and the good toughness, it is more suitable for the harsh environment and heavy planting.
At last, the bridge frame
of fire protection cable is introduced. It is a new composite cable bridge with a combination of fire materials and its
fire resistance can reach two hours.
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