从1984年减速顶调速系统委员会第三次学术讨论会至今两年多时间,减速顶调速技术取得了飞速发展。在这段时间内,不仅全国铁路编组站和企业翻矿场推广应用减速顶的数量翻了一番达到近12万台,已几乎遍布全国,最大的编组站郑州北站也采用了减速顶调速系统,而且我国已经与波兰签订合同,国产的减速顶即将到欧洲落户;在这段时间内,减速顶系列新产品先后研制成功, Since the third symposium of the Speed ​​Dome System Committee in 1984, more than two years ago, the technology of speed reducer has made rapid progress. During this period of time, not only the number of decelerating roofs popularized and applied in the national railway marshalling yard and enterprise turning-point fields has doubled to nearly 120,000 units, almost all over the country, the largest marshalling yard Zhengzhou North Station has also adopted the decelerated tops Speed ​​system, and our country has signed a contract with Poland, made domestically slowdown is about to settle in Europe; in this period of time, deceleration series of top new products have been successfully developed,