Decoupling measurement method for dynamic rigidity of hydrodynamic thrust bearing
A technology of thrust bearing and hydrodynamic pressure, which is applied in mechanical bearing testing and other directions, and can solve problems such as applying dynamic stiffness testing
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[0020] The present invention will be further described in detail below in conjunction with accompanying drawings and examples.
[0021] The design idea of the present invention is as follows: since the dynamic stiffness of the oil film obtained by the thrust bearing in the dynamic stiffness test is the overall stiffness of the thrust bearing system externally, for the hydrodynamic thrust bearing specifically referred to in the present invention that adopts hydrostatic axial loading , the measured value of the dynamic stiffness must be the joint result of the oil film stiffness of the hydrostatic loading oil chamber and the oil film stiffness of the bearing dynamic pressure oil chamber. Therefore, in order to accurately measure the dynamic stiffness of the hydrodynamic thrust bearing, the inventor proposed: by replacing the dynamic pressure oil cavity of the tilting pad on the right side of the original hydrodynamic thrust bearing thrust plate with the same cavity structure as...
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