The Mechanics of Hoisting Machinery Including Accumulators Excavators And Pil
The Mechanics of Hoisting Machinery Including Accumulators Excavators And Pil
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In our eReader you can find the full English version of the book. Read The Mechanics of Hoisting Machinery Including Accumulators Excavators And Pil Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Mechanics of Hoisting Machinery Including Accumulators Excavators And Pil
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132 shows an arrangement for obviating this defect by attach- ing the chain at A, and allowing it to pass over the A pulleys B, D, C and E, thus making the length of the chain constant between F and A as the load travels along the jib.
33. Condition of Equi- librium of Rotary Cranes. For the purposes of this investigation let ABC, Fig. 133, represent the triangle formed by the axes of the crane-post, strut, and tie-rods, and let a, /3, and /3j be the respective inclinations to the horizon of th...e strut AC, the tie-rods BC, and the hoist- ing chain K. For the present the weight of the mov- able crane is neglected. Further, let P denote the effort applied to the chain to lift the load Q. This force acting in the chain is given by the arrangement, as when the load is directly suspended from the chain, we may place P = Q, and Q when a movable pulley is employed we may put P = -^, if 2 the wasteful resistances of the pulleys are neglected. To ascertain the thrust T in the strut and the tension Z in the tie -rod, we may use the following equations expressing the equilibrium of forces acting at C.
What to read after The Mechanics of Hoisting Machinery Including Accumulators Excavators And Pil?
You can find similar books in the "Read Also" column, or choose other free books by Julius Weisbach to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
132 shows an arrangement for obviating this defect by attach- ing the chain at A, and allowing it to pass over the A pulleys B, D, C and E, thus making the length of the chain constant between F and A as the load travels along the jib.
33. Condition of Equi- librium of Rotary Cranes. For the purposes of this investigation let ABC, Fig. 133, represent the triangle formed by the axes of the crane-post, strut, and tie-rods, and let a, /3, and /3j be the respective inclinations to the horizon of th...e strut AC, the tie-rods BC, and the hoist- ing chain K. For the present the weight of the mov- able crane is neglected. Further, let P denote the effort applied to the chain to lift the load Q. This force acting in the chain is given by the arrangement, as when the load is directly suspended from the chain, we may place P = Q, and Q when a movable pulley is employed we may put P = -^, if 2 the wasteful resistances of the pulleys are neglected. To ascertain the thrust T in the strut and the tension Z in the tie -rod, we may use the following equations expressing the equilibrium of forces acting at C.
What to read after The Mechanics of Hoisting Machinery Including Accumulators Excavators And Pil?
You can find similar books in the "Read Also" column, or choose other free books by Julius Weisbach to read onlineMoreLess
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