At present, the agricultural machinery companies distributed by major agricultural machinery companies have a wide variety, and some seemingly identical agricultural machinery have different numbers. In fact, a closer look reveals that each agricultural machine has its own model, which indicates the type, main features and basic properties of the machine. The numbering and naming of products are determined according to the nationally-developed ministerial standard NJ89-74 "Guidelines for the Preparation of Agricultural Machinery Product Models". Now take the 1LYQ-722 model as an example, and explain the meaning of it as follows:
1L indicates the category of the implement. It can be divided into two parts: the number 1 indicates the classification number of the machine. According to the standard, the agricultural machinery is divided into 10 categories: 1 means tilling and land preparation machinery, 2 means planting and fertilizing machinery, 3 means field management and plant protection machinery, 4 means Harvesting machinery, 5 means threshing cleaning and drying machinery, 6 means agricultural and sideline products processing machinery, 7 means loading and unloading transport machinery, 8 means drainage and irrigation machinery, 9 means livestock machinery, 0 means other machinery. For other machines, 0 is not required when programming the machine model. The Chinese pinyin letter L is the category number of the tilling and finishing machinery. It is represented by the Chinese pinyin prefix of the basic name of the product, and L is the Chinese pinyin prefix of the word "plow".
YQ is the second part of the product model, which is the feature code of the product. The standard stipulates that the feature code is represented by the Chinese pinyin prefix of the main features of the product (structural features, dynamic categories). The Chinese phonetic alphabet Y indicates that the working part of the machine is a disc, and Y is the Chinese pinyin prefix of the word "circle". The Chinese pinyin letter Q indicates that the working part of the machine is driven, and Q is the Chinese pinyin prefix of the word "drive". The standard stipulates that the driven working parts are not marked with letters.
722 is the third part of the product model, which represents the main parameters of the machine. It is also divided into two parts: one of the left 7th, indicating the number of working parts is 7; the last two 22, which means that the single working part has a ploughing of 22 cm. So 1LYQ-722, which means that this is a driving disc plow, the total width is 154 cm. (凡白)
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