2.3 дополнительная обработка почвы
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AB
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КЛАССИФИКАЦИЯ КОМБИНИРОВАННЫХ АГРЕГАТОВ
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По конструкции (компоновке):
Øагрегаты, составленные из нескольких простых (однооперационных) орудий;
Øагрегаты с различными рабочими органами, закрепленными на общей раме;
Øагрегаты, оснащенные комбинированными рабочими органами, выполняющими несколько операций;
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По совмещению выполняемых операций:
Øсовмещающие основную и дополнительную обработки почвы;
Øсовмещающие операции предпосевной обработки почвы;
Øпочвообрабатывающе-удобрительные;
Øпочвообрабатывающее-посевные;
Øпочвообрабатывающее-удобрительно-посевные;
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Пахотный комбинированный агрегат
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Почвообрабатывающий комбинированный агрегат
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Почвообрабатывающе-удобрительный комбинированный агрегат
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A B BYY |
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Почвообрабатывающе-посевной комбинированный агрегат
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A B BYY |
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Почвообрабатывающе-удобрительно-посевной комбинированный агрегат
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AB
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ЗОНА ДЕФОРМАЦИИ ПОЧВЫ ЗУБЬЯМИ
И РЫХЛИТЕЛЬНЫМИ ЛАПАМИ
AB
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Зона деформации почвы не ограничивается зоной контакта с нею рабочего органа, а распространяется вперед и в стороны.
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L |
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b1 |
l1 |
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l0 |
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R |
Na |
q/2 |
q/2 |
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b0 |
В продольно-вертикальной плоскости (по ходу движения) зона
деформации
L = l0 + l1 = l0 + a tg(a + j)
В поперечно-вертикальной плоскости зона деформации
b1 = b0 + a tg q
2
q = 40…50° – угол между плоскостями скалывания пласта.