Задача №8.36
Условие
Горизонтальный вал трансмиссии, несущий два шкива C и D ременной передачи, может вращаться в подшипниках A и B. Радиусы шкивов: rC=20 см, rD=25 см; расстояния шкивов от подшипников: a=b=50 см; расстояние между шкивами c=100 см. Натяжения ветвей ремня, надетого на шкив C, горизонтальны и имеют величины T1 и t1, причем T1=2t1=5 кН, натяжения ветвей ремня, надетого на шкив D, образуют с вертикалью угол α=30° и имеют величины T2 и t2, причем T2=2t2. Определить натяжения T2 и t2 в условиях равновесия и реакции подшипников, вызванные натяжениями ремней.Решение
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1.1
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2.1
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28.1
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49.1
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