The single toggle jaw crusher is a commonly used machine in mining field, so the improvement of its performance can be helpful to the improvement of the efficiency of the whole excavating procedure.
The kinematics analysis determines some important parameters such as horizontal and vertical stroke, displacement trajectory, speed, acceleration, eigen value and so on for key points including mouth, discharge opening and center of gravity.
According to the analysis result a new kind of crusher jaw plate is put forward, "crusher jaw plate with changing teeth", on the basis of existing jaw crusher plate.
This new kind of crusher jaw plate can improve the over-crushing when the compound pendulum jawbreaker works.
And through the dynamic analysis, the forces of important parts of single toggle jaw crusher are determined.
The simulation results show that the data of simulation analysis is consistent with theoretical analysis.
Therefore, the designed crusher is reasonable and the simulation results also prove the validity of theoretical analysis. Finally the inertia force of single toggle jaw crusher is optimized by using optimum dynamic balance method and the max inertia force is cut down about fifty percent.
The single toggle jaw crusher applies the four institutions of the crank-rocker mechanism, and the crank is the active piece.
The jaw crushers are widely used in crushing field, because of its simple structure, reliable performance, and easy maintenance.
The moving jaw of single toggle jaw crusher is hanging in the eccentric shaft directly to connect rod without separating connecting rod.
Since the movable jaw is directly driven by the eccentric shaft of the eccentric, so the active jaw may also do the vertical and horizontal complex swinging.
Swing trajectory of each point in Hubei board is close to a circle by the top of the continuous change to the lower part of the oval, and the more oval to the lower flat.
Horizontal stroke moving jaw grows from the bottom up changing, but also plays the role of crushing stones not only from the crushing, but also chipping.
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