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ABOUTJinchangcheng Wire & Cable Co., Ltd. is an integrated modern cable manufacture enterprise that locates in a strategic location, with a research, development, production and advanced equipment, innovative ideas, abundant human resources.
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Steel core aluminum stranded wire performance is what kind?
Release time:
2022-03-15
What is the performance of ACSR? How should the construction and hoisting of ACSR be carried out? Let's learn about it.
What is the performance of ACSR? How should the construction and hoisting of ACSR be carried out? Let's learn about it.
Overhead transmission lines have a history of more than 70 years in China and were introduced from Japan as early as possible. With the rapid development of China's economy, various types of rod, wire and other related products and the world have been developed. Industrial scale is expanding overhead transmission lines. At the same time, some new concepts and technical requirements are put forward for power grid construction. In the design process of overhead transmission lines, attention should be paid to saving energy and reducing consumption, and reducing power loss in the transmission process. At present, the commonly used conductor in our country is steel core aluminum stranded wire. Due to the large terrain difference and the changeable climate, a single steel core aluminum strand can no longer meet the needs of different regions. With the emergence of new production technologies and synthetic metals, the quality and performance of overhead transmission line conductors should continue to improve. From the characteristics of the power grid itself, because the power grid infrastructure emits less pollutants, pay attention to energy conservation, energy conservation and emission reduction is to reduce energy loss. Reducing the power loss is the main way to reduce the small and high conductivity through the new wire.
In the construction of ACSR, hoisting and stacking are inevitable, and the seemingly simple process is also very difficult. When hoisting, usually several steel strands are put together at the same time. In order to prevent the phenomenon that the lifting rope cannot withstand the pressure and breaks, it is necessary to choose a strong and firm lifting rope to maintain the balance of each part of the steel strand during the lifting process to avoid collapse due to tilt. Welding cannot be used during construction, otherwise it will easily lead to interruption of prestressed steel strand tensioning process.
The steel core aluminum strand itself has good mechanical properties and can support work. However, if the steel core aluminum strand is heated and deformed in the middle, it will adversely affect its own mechanical properties. Prestressed steel strand with pier head, also plays an important role in the construction process. In order to make the two work well together, it is necessary to explain the required strength to the manufacturer when ordering, and remember to conform to the actual working environment.
Another important point is that when the steel core aluminum strand moves at the construction site, the product must be lifted or lifted by personnel or equipment for transportation, and cannot be directly dragged on the ground. Otherwise, the prestress will rub against the sand and hard objects on the ground, and the surface will be damaged, especially when the steel core aluminum strand is bonded with the bare wire coated with zinc layer, the surface damage will be serious, which will affect the normal use.
Because of its excellent performance, ACSR has brought great help to our work. Steel core aluminum stranded wire is a very good product. If you want to know more about ACSR, please contact us.
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Yincun Economic Development Zone, Renqiu City, Cangzhou City, Hebei Province