The principle and structure of Jaw Crusher

Jaw Crusher and in similar primary crusher mainly consists of frame, movable jaw, eccentric shaft, fixed jaw plate, movable jaw plate, toggle plate and adjust the seat, fly, sheaves and other components. With the motor belt drive sheave by the eccentric shaft, so that the jaw to reciprocate, which will enter the crushing cavity material to be broken. Crushed by the weight of the material discharged from the discharge port. Fixed jaw by tightening bolts on the wall in front of the rack, movable jaw plate is pressed by means of pressure on the moving iron jaw. When the jaw wear (usually the lower wear and even more), both of which can be inverted, continue to use. Apart from the support bracket moving jaw, to run at a certain trajectory effect, when the crushing cavity can not be broken into the load surge when leaving foreign objects, from the insurance role, through his own fault, cut off the load, to protect other parts are not damaged. Adjust the seat with a T-bolt hanging in the ear on both sides of the seat frame, seat adjustment between the back wall and the frame has a set of adjustment shims to adjust the seat adjustment bolt to open the top, changing the thickness of the shim to adjust the group nesting the width of the mouth, so that the desired particle size. Tension spring means are used to ensure the dynamic jaw crushers jaw, elbow board seat and adjust to each other seamlessly combined to ensure the normal operation of the crusher. Crusher work spring preload should not be too large, as long as the toggle plate and moving jaw eliminate and adjust the seat between the impact sound can be. Shield is to prevent feeding, because the collision caused material damage and moving jaw set.

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