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中文字数: 4433,中文页数: 7 英文字数: 2783,字符数:14750,页数:8
摘要：阐述了工作面刮板输送机整机及机头、机尾、中部槽、圆环链、软启动装置等元部件的技术现状与发展趋势，并提出了我国刮板输送机的发展方向。
关键词：刮板输送机；元部件；技术现状；发展趋势。
近年来随着高产高效集约化矿井的迅速发展，煤矿都在争取实现一矿一井一面的高度集约化生产模式。作为长臂工作面的主要运输设备，刮板输送机的输送能力主要由高产高效矿井的生产能力来决定，同时也决定了刮板输送机的发展趋势。
1整机技术现状
20世纪80年代以来，国内外刮板输送机都在向大运量、长运距、大功率、高强度、长寿命与高可靠性方向发展。目前，国外综采最大的工作面刮板输送机，去运量已达6000t/h，装机功率4×800kW，运距450m。国内自主研发的刮板输送机运量已达3500t/h，装机功率3×700kW，运距300m。随着神东等大型煤炭基地400m工作面的出现，国产刮板输送机将朝着更大型的方向发展。但是运量、运距和功率的增大受到诸多因素的限制。首先，中部槽的高度不宜太高，否则会影响装煤效果。其次，输送机的长度也不宜太长，
Abstract: The Face scraper conveyor of the machine and its head, tail, the central trough, ring linked, soft-start devices, components of the technical status quo and development trend, and made China''s development scraper conveyor Trend.
Key words: scraper conveyor with two, components, development trends.
In recent years, with high yield and high efficiency of the rapid development of intensive mine, the coal mine in a mine to achieve a high degree of concentration of wells a production model. Face the long arm as the main transportation equipment, the scraper conveyor transport capability mainly by high yield and high efficiency of the production capacity of the mine to decide, but also determines the scraper conveyor trend of development.
1 Technology status
Since the 1980s, both at home and abroad scraper conveyor to the large volume, long distance, high-power, high-intensity, high reliability and long life direction. At present, the largest foreign Fully-face scraper conveyor to transport volume has reached 6000 t / h, installed power 4 × 800kW, distance 450 m. Domestic independent research and development of the scraper conveyor transport volume has reached 3500 t / h, installed power 3 × 700kW, distance 300 m. With God East, and other large coal base 400 m face the emergence of
