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The 900-ton transport frame equipment is composed of YL900 type beam truck and JQ900A bridge machine equipment. It is a large-scale complete set of special equipment specially developed for high-speed railway construction. This set of large-tonnage equipment with domestic independent intellectual property rights ranks first in the industry in terms of technical performance, safety performance and practical performance. The use of this equipment to erect a 32-meter double-line full-hole box girder is the first time in the history of China's railways.
According to the report of Shaanxi Daily, a 900-ton-class transport and racking equipment manufactured by China Railway Engineering Machinery Research and Design Institute Co., Ltd. and Shaanxi Construction Machinery Co., Ltd. (referred to as construction machinery) to fill the domestic blank, in Jining, Quanjiao County, Anhui Province (Hefei-Nanjing) High-speed railway passenger dedicated line construction, the first successful realization of the 32-meter 900-ton double-line full-hole box girder erection, created a precedent in the history of China's railway bridge construction, marking the construction machinery to manufacture large bridging equipment technology The ability has reached the domestic leading level.