According to the 2012 data show that China's hoist gantry crane
sales from sales of each model to see, small and medium-tonnage products are still the main force in the market, accounting for more than 80% of total sales cranes, especially 20 ~ 25t products, accounting for more than 50% of total sales. Large-tonnage products increased rapidly, especially in all-terrain crane sales rose rapidly, reflection of China's enterprises to improve production capacity gantry cranes and changes in market demand.
Cranes have a slow rise of the process, the current proportion of prefabricated concrete construction is increasing, lifting operations instead of part of the original site concrete pouring operations, various construction projects in the future, the pre-use of components increase will gradually increase the proportion of lifting operations to market demand, which led to the demand for overhead gantry crane .
In the new urbanization become the engine of China's economic development, construction crane manufacturing industry has formed a certain scale, gantry cranes crane around SECTOR urgently be applied. The large-tonnage cranes direction of the trend has become more uncertain.
Gantry crane is mainly used for outdoor yard, yard goods, bulk cargo loading and unloading operations. Its metal structure shaped like a door frame, bearing girder installed under two feet directly in the ground walking on the tracks, you can have both ends of the main beam overhanging cantilever. bridge gantry crane with space utilization, operating range, wide adaptability, versatility and other characteristics, widely used in the port yard.
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