The development of industrial society has promoted the progress of the reducer industry. With the improvement of science and technology, three-ring reducer, planetary reducer, hard tooth surface reducer, gear reducer and other equipment are more and more widely used in various industries.Next, take the planetary reducer as an example to talk about its application in the coal industry.
my country is a large coal-producing country in the world. In order to adapt to the rapid increase in coal demand, the installed power of many coal mining machinery has doubled. Therefore, the requirements for the mechanical transmission part are getting higher and higher. The traditional fixed-axis gear train transmission structure can no longer adapt To meet the new work requirements, it is imperative for coal mining machinery to adopt planetary gear transmission.The planetary gear transmission of the planetary reducer has the characteristics of power splitting, and its center wheels can form a coaxial linear transmission, and the internal meshing gear pair is reasonably used, so it can be small in size, light in weight, compact in structure and strong in carrying capacity. features.
In addition, the symmetry of the structure of the planetary reducer also balances the reaction forces acting on the center wheel and the bearing of the rotating arm, which is conducive to improving the transmission efficiency, and the efficiency value can reach 0.97-0.99; The planetary gears are evenly distributed around the center wheel, so that the inertial forces of the planetary gears and the rotating arm can be balanced with each other, the number of gears participating in the meshing increases, the stable operation of the planetary transmission is realized, and the ability to resist shock and vibration is enhanced. The reliability is higher; and as long as the appropriate planetary gear transmission type and gear matching scheme are selected, a large transmission ratio can be obtained with a small number of gears.
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