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二冲程小型汽油机,由于具有体积小、重量轻、使用方便等优点,故被广泛应用于手提式、背负式的轻便机具(如林业伐木油锯、割木机、机动喷雾器)、摩托车和小型发电机等。不仅数量多,而且普及全国29个省市自治区。从大量的实际使用中了解到,尚存在一个共同的问题,就是连杆大头容易咬死。所以研究解决大头咬死的问题,已经刻不容缓。
Two-stroke small gasoline engines are widely used in hand-held, knapsack portable equipment (such as forestry logging chainsaws, cut wood machines, motorized atomizers), motorcycles and small size vehicles due to their small size, light weight and ease of use. Generator and so on. Not only the quantity but also the popularization of 29 provinces, autonomous regions and municipalities nationwide. Understand from a large number of actual use, there is a common problem, that is, easy to kill the bulk of the connecting rod. Therefore, it is urgent to study and solve the problem of big head bite.