Hxjq heavy industry is the leading enterprise of rock & mineral processing equipment in the world. Since the end of the 20th century, we’ve installed more than 10,000 crushing plant all over the world. Nowadays, JC European type jaw crusher has already become the most popular equipment in the world without controversy. It is the first choice for hard and strong abrasion material.
During the working process of the jaw crusher, the rotary of cam gear drives the plunger type injection pump to supply high pressure oil to the system. The oil pressure of the system will be determined by the rating nut of the oil pressure adjusting gear according the biggest crushing force allowed for the crusher. When the oil pressure goes up, the plunger compression spring in the oil pressure adjusting gear will shift to the right side, and drive the plunger injection pump plunger to rotate in the anti-clockwise direction, shorten the effective path of the plunger in order to decrease the oil injection amount and restrict the system oil pressure to go higher. On the contrary, when the system oil pressure decreases, increase the oil injection amount in order to prevent the decrease of the system oil pressure so that the oil pressure of the hydraulic system is kept in the original set state.
If some uncrushable materials go into the crushing chamber of the jaw crusher, the crushing force will increase. At this time, the pressure functioned on the working cylinder by the toggle plate of the crusher will be higher than the thrust provided by the hydraulic cylinder, and the oil pressure in the high pressure oil chamber will increase in a second, the throttle valve will drive the movement valve to move, and the system will leak oil in order to limit the biggest thrust of the toggle plate in order to protect the machine. To a service-oriented brand integrity,As the professional manufacturer of complete sets of mining machinery
After some uncrushable materials go into the crushing chamber, limited by the biggest thrust provided by the working cylinder, the piston will move to the right side and withdraw, and respectively the ore discharging mouth of the crusher will become bigger. Because of the mesh of the movable jaw of the crusher, the uncrushable materials will gradually move down and finally be discharged from the ore discharging mouth. If the products produced by the uncrushable materials in the crushing chamber are not qualified, then the workers can remove them with auxiliary device.
When the crusher is working normally, the pressure functioned on the working cylinder by the toggle plate of the crusher is smaller than the thrust of the hydraulic cylinder, and the movement calve is in an upper extreme position, and the toggle plate will not move so that the crusher will crush materials normally.
The deep cavity of this crusher equipment has a relatively long broken stroke, which will help material grinding. Crushing process can be finished for one time and the intensity of feed could reach to 125mm ~ 750mm.The material whose compression strength is not more than 320Mpa can be crushed. Compared with similar products, its yield is much higher.
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