| Track pressing plate has developed rapidly in recent years |
| ¡¡Hits£º1589¡¡AddTime£º2020/8/22 9:55:55 |
| Track pressing plate has developed rapidly in recent years The pressing plate assembly is an integral part of the railway line, and the track referred to here includes many components. As an integral engineering structure, the track is laid on the subgrade, which plays a guiding role in train operation and directly bears the huge pressure of rolling stock and its load. Under the dynamic action of train operation, all its components must have enough strength and stability to ensure the safe, stable and uninterrupted operation of the train at the specified high speed. In the annual vehicle procurement of the Ministry of railways, in addition to the new vehicle demand brought by the new mileage, it also contains a large part of the demand for vehicle renewal. With the rapid development of track pressing plate for several years, in order to realize the goal of hundreds of kilometers per hour or more than tens of tons of heavy load under the background of railway pressure plate speed increasing and heavy load, it is necessary to equip railway pressing plate with high speed and heavy load, safe, reliable and high-quality, which will directly speed up the demand for high-tech vehicle accessories, and the new generation of products and technologies will be very large Development space. Since the railway leapfrog development plan was launched eight years ago, China's railway construction investment has increased by a large margin. Seven years ago, the investment in railway infrastructure construction and the investment in purchasing locomotives and rolling stock doubled compared with five years ago. By six years ago, the national railway fixed assets investment reached more than 200 billion yuan. |
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