Определение реакций опор твердого тела, страница 2

                                                                   105

            z B       y

                          0,8a                      0,6a               F₃                            R                     

F₁

                           a₁                         

                                                            R                                                 

                                                                                                                      1,8R

                    2r                                  А                            

                                                                              е         a₂

                                                 r                                                             0,4a

                                                            F₄F₂

            Ox

                                                              Рис. С.17.5 

             z                                                                                                          By

              1,2а                                                                  

                          а                                                       F₃             60°                         

                                                                R                      А                    

                              F₁                                                   r

                          a₁                                                                                               

                                                                                                                     F₄

                                                                                                  a₂                    0,7а

F₂                        

                                                                           е

                                         R

        O x

                             Рис. С.17.6                                                           

           

           zy

                        0,8a                               2R              F₃              30°                          В

                   F₁                                                                                     R

                        a₁                                                           А                          1,7R

                    е                    r                                   R

                                                                                           a₂

F₄                                            F₂                                1,4a

                                                      a

          O                                                                            x

                                                             Рис. С.17.7

                                                                   106

 z                                                     F₂      a₂                                                            

                   a F₁                                                                                                                          y

                                       a₁                                                                                                                                           B

                                                                                                          

                                                                                                            R

          1,5r                                                                           e

                                           А                     R

                                                                                      1,1a a

                                                    F₃

Or                                                                                                              x

                                               F₄                                                                       

                                                                                                 Рис. С.17.8

             

              z                                      F₄                                                                         y

                          1,7a                                                     e                                  В

                                                    F₃                                                                               

                                                                                               А          r

                  1,6R                                                          r                               

                                                                                                                  a₂

                                                                  a₁                a                        F₂

                                                              F₁                                                                         a

                                               R                                 2r

            O                                                                                                                 x

                                          Рис. С.17.9

    Примечание.  Вал  считать  однородным тонким стержнем с равномерно распределенной массой по всей его длине. Весом установленных на валу элементов,  а также толщиной кулачков и дисков пренебречь.

                                                                                                    Таблица С.17

              Номер

           варианта       0         1          2          3          4          5         6          7          8          9

Р,  Н        5,0      5,5      6,0     6,5     7,0      7,5      8,0      8,5     9,0     9,5