Jaw crusher is mainly used for crushing various ores and large materials with compression strength not more than 320Mpa into medium-sized grains; and is widely applied in mine, metallurgy, construction, road, railway, water conservancy, chemical industry, refractory material and ceramic etc.
The jaw crusher machinery, mine production is often used because it the unique ability of handling stone, easy to operate approved. However, many users complained that the hard stone crushers in limestone production lines and stone production line, often there will be a stone stuck in the crushing cavity. At this point, we must work stoppage will dispose of broken stone chamber in order to resume production. In this process, the production line workers are waiting for this process to be able to recover, resulting in a huge waste.
Why is there a stone stuck in the crushing cavity phenomenon? We must understand the working principle of jaw crusher at first. The jaw crusher has been able to make into the crushing cavity in the stone crushing, because of the dynamic jaw crusher jaw and static jaw squeezed, making the material in between the two due to extrusion and grinding. However, in this process, moving the jaw frequently in contact with the stone would cause the movable wear of jaw plate. When the stone hardness is too large, more than a jaw crusher, processing capacity, there will be a stone stuck in the phenomenon in the crushing chamber.
Based on this, for their mining equipment, technology R & D staff developed a safety device of the jaw crusher, when dealing with hard stone in the use of a jaw crusher; infer that this safety device, forcing the crusher stops operation. This is like something similar to fuse this fuse device is installed in the jaw crusher.
Is also a small improvement, the production of enterprises will no longer frequent downtime, and mechanical efficiency in the use greatly improve the economic efficiency of enterprises is also a big growth.

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