The safety device of jaw crusher is toggle plate, and the material of toggle plate is cast iron, of which strength and density, the lower, the better. As its function is to protect the jaw crusher, the requirements of material is a little strict, ensuring it is workable. The toggle plate of jaw crusher is set in the grooves of movable jaw and adjusting seat, the two ends is a little thicker than the middle place; for some equipment, in the groove of adjusting seat, the toggle plate is welded.
While this type will make it complicated when it needs replacement.The former is fixed through the tension rob of spring to make the movable jaw, toggle plate and seat roll into one. The toggle plate of jaw crusher will be broken in the middle place when the material which can't be crushed go into the cavity. Consequently the jaw crusher is safe.
The advantage of this safety device is low cost, simple structure, and it suits various driving means; the shortcoming is difficult to control its material hardness. While the jaw crusher of Shanghai Shunky, its toggle plate material material is certificated.The moving jaw plate, fixed jaw plate and two side liners make up of the crushing chamber, which is the main workspace. And these parts are often worn down, therefore, they should be the classy steel to ensure the lifespan is long. The jaw crusher of Henan Hongxing whose jaw plate's material adopt the high quality steel.
The eccentric shaft part which is under the motor's driving rotates in a high speed. Its two ends are thinner than the main body of jaw crusher. The unique shape help the whole eccentric shaft finish the work.Two pulleys are the featured parts of the moving parts. The pulley with grooves works under the drive of motor, another one is counterweight wheel.
Its function is to keep the jaw crusher balance. They can exchange the places. Jaw crusher is one of the most popular stone-crushing equipments in the world, Jaw Crusher is ideally suitable for primary and secondary crushing. The highest anti-pressure strength of crushed material is 320MPA.
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