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中国从上个世纪60年代中期开始研制中程火箭炮,并于 1971年研制成功1971年式180毫米中程火箭炮。之后不久,有关部门又决定参照国外样品,研制火力更猛、散布更小、转移更快、通行能力更强的新型中程火箭炮。 1981年式122毫米自行火箭炮 1982年设计定型的1981 年式122毫米40管自行火箭炮为第二代中程火箭炮。这种能发射122毫米微旋翼火箭弹、一次齐射只需18至22秒且可在行进中射击的第二代中程火箭炮攻克了发动机隔热涂料、预制破片筒的结构、拉伸带螺旋槽的发射管等关键技术,应用了高低方位电动操纵系统,冷挤压发动机壳体和弹体等多项新技术。1981年式122毫米40管火箭炮的研制成功,促进了国内火箭技术的发展,后来获得国家科技进步一等奖。作为一种射程较远、威力大、火力猛烈密集和机动性较好
Since the mid-1960s, China started the development of medium-range rocket launchers and in 1971 successfully developed the 1971-type mid-range rocket of 180 mm. Shortly afterwards, the departments concerned decided to refer to foreign samples to develop a new medium-range rocket launcher with more intense firepower, smaller distribution, faster transfer and stronger capacity for passage. 1981 122-mm self-propelled rockets Designed in 1982, the 1981 122-mm 40-pipe self-propelled rockets are the second generation medium range rocket. This can launch 122 mm micro-rotor rocket, a volley only 18 to 22 seconds and can be on the move of the second generation of medium-range rocket to overcome the engine insulation coating, prefabricated fragmentation tube structure, stretching spiral Slot launch tube and other key technologies, the application of the level of electric control system, cold extrusion engine shell and a number of new technologies such as shells. The successful development of the 1981 122mm 40-tube rocket propelled the development of domestic rocket technology and was later awarded the first prize of national science and technology progress. As a longer range, powerful, intense firepower and mobility is better