How to improve the adaptability of agricultural machinery
China has a vast territory, a complex terrain, and a wide variety of crops. Farming systems and planting habits vary from place to place. Agricultural machinery operations have a strong regional nature. In agriculture, different regions have different requirements. For example, the northeastern region is generally ridged for dry farming, and the plains are large, requiring agricultural machinery to have more power for wide- and high-speed operations. In the southern paddy fields, medium and small-sized tractors (including cultivators) and their associated farm implements must be used for operations. And it should be made to prevent the sinking of the wheel and the sealing of bearings and other parts to prevent muddy water from entering. For the same type of agricultural machinery, applications in the northern region may not necessarily be available in the south. Therefore, the design and selection of agricultural machinery must be based on local conditions. In North China, two or more continuous cropping or intercroppings require that agricultural machinery be able to carry out multi-works joint operations. In particular, paddy fields and dry lands vary greatly in the technical requirements for farming. How to improve the adaptability of ploughing machinery? As early as in the early 1970s, under the call to “achieve agricultural mechanization in 1980,†the national agricultural machinery department successively carried out serial design of plowing ploughs, rotary cultivators, and rakes in the south and north, and successively adopted national technologies. The appraisal, this has reached the advanced level in the product performance, the variety, the three degree of degree as well as the technical economic index and so on, and has greatly improved the adaptability of the tillage machinery.
The series of plows used in China's self-designed South Paddy Field (1LS) are suspended ploughs and are available in six models. The plough body is divided into four types and five kinds: the general-purpose plough body two, the hoe type, the rake type, the crushed soil type. Basically meet the supporting needs of 20-75 horsepower domestic tractors. It can also meet the requirements of water and drought farming in the southern paddy fields. Single plow body width 20-25 cm, adapted to the depth of 12-22 cm. There are two series of products in the north: there are six types of normal-pitch medium-sized ploughs (1L series), 20-75 hp of tractor-driven power, and suspension and semi-suspension for connection; the large-pitch heavy plough (1LD) series has six models. Supporting tractor power 54 and 75 horsepower, connected suspension, semi-mounted and traction. Rotary cultivator series products are divided into six grades of 1.00, 1.25, 1.50, 1.75, 2.00, and 2.25 meters according to different cultivating widths, a total of 14 models. The rotary cultivators matched with the workers and peasants-type 12K walking tractors are widely used throughout the province.
There are nine models in the South China Paddy Field (1BS) series. There are five power levels (ie, 20-60 hp tractors) for the matching horsepower. The connection methods are suspended. The work width of Shuitianyu is 1.6, 1.9, 2.5, and 3.0 meters respectively. There are three types of concrete structures: star-shaped ridges, notched disk rakes, and double-roll boring rakes. The rakes are 10-17 cm deep.
There are a total of nine types of disc cutters in the North series, supporting 25-75 horsepower tractors. There are four types of linkage: traction offset, traction opposite, semi-suspension offset, and suspension offset. 1.5-4.8 meters. Once deep 10-20 centimeters.
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