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Spherical bearings and bearings constitute the crusher of the executive part
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| Time：2016.10.11 News Sources：Shandong Xinkaite bearing Co.,Ltd. Views：
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Outer spherical bearing and bearing constitute the crusher of the executive part. Motor and reducer constitute the power part of the crusher to provide torque on the crusher no-load start, no-load operation has a greater impact, and hammer and hammer-based implementation of the crusher is the normal part of the work Of the load characteristics have a greater impact.
As the hammer crusher working load is not continuous, it will have the impact, so the hammer and hammer-based part of the executive and dynamic parts can not be rigid mechanical connection, for high-power crusher with hydraulic The coupler couples the executive part with the power part. For small and medium power crusher with belt connection to join the executive part of the power part.
Hammer crusher loader is the executive body, and the hammer and the hammer is rigidly connected together by the thread, so the loader hammer crusher for the force analysis, including hammer and hammer Of the force analysis, the axis of the force analysis and bearing force analysis. The hammer and the hammer shaft as well as the bearing, including the key, are studied as a whole, hereinafter referred to as a hammer shaft. Hammer shaft is actually a fixed-axis rotation of the rigid body, hammer crusher is the main part of the implementation. Hammer shaft is a key component of hammer crusher, which requires high precision and high rigidity. It is necessary to carry out finishing process and rough machining, so the static and dynamic characteristics of hammer shaft are higher Requirements. The middle of the spindle with a hammer, directly involved in the impact of broken, its performance in the hammer crusher is pivotal. So the design of the hammer shaft structure test method has aroused the attention of engineers.
The traditional formula method, the energy method and the equivalent diameter method to design and check the shaft stiffness, torsional deformation and bending deformation are generally able to meet the engineering accuracy, but in practice are subject to certain restrictions, because these methods Calculation are more cumbersome. Bending deformation can only calculate a cross-section at a time, if there are multiple sections need to check, the design cycle is long, the workload is very large. At the same time, the finite element analysis software is used to calculate the stiffness, torsional deformation and bending of the main shaft, which can be used to derive multiple deformations of multiple sections at the same time and provide reliable basis for redesign and modification.
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