New listing: 31 to build the world's shortest body Shearer
In the process of enterprise development, only if the ordinary people do not think, do ordinary people have not done, in order to step forward, seize the opportunity. The 31 group is the only way to successfully build the world's shortest body shearer.
When most people are staring at mechanized mining of coal resources in the thick coal seam, the 31 international R & D team another way, the goal is locked in the traditional coal mining still use the poor and thin coal seam market. After two years of continuous innovation, development, test and improvement, 31 international independent research and development in the world the length of the shortest, mining height of lowest and highest degree of automation of the 400B series of thin seam coal mining machine, and put into production recently.
The difficulty of mining thin coal seam is often shelved
More than 85% of the mining areas in China have thin coal seam (less than 1.3 meters) distribution. At present, the recoverable reserves of the thin coal seam is about about 6000000000 tons, accounting for 19% of the total recoverable reserves. However, due to the difficulty of thin seam mining, low input and output, has been considered to be "tasteless", many coal mines will thin coal seam shelved. This not only causes waste of coal resources, but also leaves a lot of hidden dangers.
In recent years, due to the lack of energy, the relevant national energy policy stipulates that the thin coal seam must be mined. 31 international optimistic about this market demand trend, determined, must create world-class thin seam coal mining equipment.
This bold innovative thinking is also a road full of thorns. To this end, the project manager Yin Li led research and development team down the well research, according to customer needs continuously improve design ideas, and a large number of domestic and foreign coal seam status quo, comparative analysis. Finally, the R & D team completed the blueprint design in February 2012. In May 2013, the first mechanized mining equipment suitable for extremely thin coal seam 400B series coal mining machine was officially offline.
Chinese and foreign experts jointly developed and launched high-quality prototypes
The initial 400B series shearer is not perfect, Yin Li once again led his team stationed in the northeast mountain Xu Lou coal mine, began rectification and verification. This work is half a year, many young engineers spend their holidays in the coal mine. However, at the end of the transformation process, the 400B coal mining machine continuously appeared the leakage of water seal components in the internal spray.
This is a good structure in other types of machines, how on the 400B shearer fault? At this point, German expert Knorr worked with China to solve the problem. Knorr is a tall old man over seventy years, but the underground working face is only 0.9 meters, the height of 1 meters, 92 he was sick, but he still adhere to the mine site investigation and analysis. Because of the language barrier, the female translator Zhou Ning also regardless of the danger, together to the low cold underground, work together with you.
Through the detection and analysis, the original seal structure and model does not adapt to the change of working conditions of thin coal seam shearer, resulting in wear and tear at the seal of the machine, resulting in water leakage. Researchers have improved the traditional internal spray seal structure, using German software water seal structure, and finally solved the problem completely.
Through nearly half a year's industrial test and product improvement, at the beginning of 2014, 400B won the recognition of thin coal seam customers with perfect and stable mining performance. Beixulou electromechanical director Pan Shouguo said: "the 31 international 400B series coal mining machine with high adaptability and reliability of thin seam mining initiative, especially walking, the whole face 8 months in production was not a failure, almost unbelievable!" Compared with similar products at home and abroad, 400B series Shearer has the advantages of lower body, shorter, larger cutting density and higher degree of automation and intelligence. At the same time, 400B series shearer also refers to the automatic support sliding boots and other structures, to further improve the adaptability and vibration resistance of equipment.
To achieve mass production, sales situation is good
The short body design of 400B series shearer can meet the fluctuating geological conditions to the greatest extent under the thin seam environment." According to Yin Li introduction, the equipment is unique wheel overload protection device, also makes the life of walking wheel has been greatly improved." At present, 400B series shearer sales situation is good, has entered a small batch production stage. The successful mode of Sino German cooperative development provides valuable experience for the development of the 31 international future fully mechanized mining equipment, and will be applied to the future development of CA series shearer." Yin Li said.
Innovation is the invariable theme of 31 development. In recent years, Sany has created a variety of new products through its unremitting efforts and scientific and technological innovation, which has aroused strong repercussions in the world, and improved the competitiveness and popularity of enterprises in the industry.
