Force Analysis for Spindle of the Gyratory Crusher

In order to guarantee the service life and working capacity of the spindle of the gyratory crusher, we need to analyze the force situation of the gyratory crusher machine in order to improve the crusher machine to meet the needs of production. The experts of Henan Hongxing Mining Machinery have analyzed the force situation for the spindle of the crusher machine and have provided effective theoretical basis for the improvement of the performance of the gyratory crusher machine. In the following part, we will introduce the three steps for the analysis for the force situation of the spindle, namely the calculation for the oil pressure of the hydraulic cylinder, the strength calculation for the spindle and the calculation for the rack.
First, in terms of the calculation for the oil pressure of the hydraulic cylinder, the gyratory crusher only suffers from the self gravity of the moving cone in the empty load state. Under the normal working conditions, the oil pressure of the hydraulic cylinder can be obtained through the vertical separation for the crushing force of the oil pressure of the hydraulic cylinder and the self gravity of the moving cone. According to the oil pressure, the decreased distance and the volume of the accumulator, the downtime pressure of the contact manometer can be obtained.
Second, in terms of the calculation for the strength of the spindle, the spindle is a very important component for the gyrator crusher machine. Therefore, the spindle must have the sufficient strength and rigidity to ensure the normal operation of the crusher machine. The actual production experience has told us that the breakage of the main shaft mainly occurs at the tool withdrawal groove of the upper screw thread, the bottom between the lower part and the cone body and the interface between two different diameters. Therefore, the strength of the spindle can be calculated according to the working conditions and the iron conditions.
Third, for the calculation of the frame, according to the analysis for the strength and the stiffness for the frame, the stress generated at the intersection between the surface of the vertical ribs and the bottom flange is very large.
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