Safety protection device for crusher in fully mechanized mining face

MJ Series Jaw Crusher

MJ Series Jaw Crusher

MJ series jaw crusher is mainly used as a coarse crushing crusher. Its purpose is to crush rocks into smaller particle sizes for subsequent processing…

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MC Series Single-Cylinder Hydraulic Cone Crusher

MC Series Single-Cylinder Hydraulic Cone Crusher

MC series single cylinder hydraulic cone crusher is used in secondary and fine crushing operations. It is widely used in metallurgy, construction, highway,…

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ML Series Vertical Shaft Impact Crusher

ML Series Vertical Shaft Impact Crusher

Vertical shaft impact crusher is often used in the final crushing circuit. Due to the ability to produce fine-grained final products, ML series vertical…

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MD Series Multi-Cylinder Hydraulic Cone Crusher

MD Series Multi-Cylinder Hydraulic Cone Crusher

MD series multi-cylinder hydraulic cone crusher is used in the second and third stages of mineral processing and stone crushing, as well as the superfine…

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MF Series Fixed Shaft Circular Vibrating Screen

MF Series Fixed Shaft Circular Vibrating Screen

In order to eliminate the phenomenon of unbalanced vibration, unstable amplitude, on/off bounce, poor screening effect, and cracking of the screen box…

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MGD Series Vibrating Feeder

MGD Series Vibrating Feeder

MGD series vibrating feeder is designed for ultra-heavy working conditions and is suitable for feeding materials to primary jaw crushers, primary impact…

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MGB series hopper discharge feeder

MGB series hopper discharge feeder

MGB series hopper discharge feeder is mainly used for the uniform, quantitative and automatic control of under-silo feeding of bulk materials.…

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MZA/K Series Circular Vibrating Screen

MZA/K Series Circular Vibrating Screen

MZA/K series circular vibrating screen produced by Meilan has an axis-eccentric circular vibrating screen, which can be used for dry and wet classification…

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    •Longwall is a fully mechanised underground mining method where the roof at the coal face is supported by self-advancing powered supports & the coal is mined by a shearer. •Armoured face conveyor & stage loader-crusher are used for transportation of coal at the Longwall face. •A series of belt conveyors is used to transport coal


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    1910.132(a) Application.Protective equipment, including personal protective equipment for eyes, face, head, and extremities, protective clothing, respiratory devices, and protective shields and barriers, shall be provided, used, and maintained in a sanitary and reliable condition wherever it is necessary by reason of hazards of processes or environment, chemical hazards, radiological hazards

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    with a fully machined face to support the moving jaw. Spring Load It is a safety device and in the event of an uncrushable lump entering the gape. The movable jaw is pushed to the limit by compressing the spring and the un-crushable lump is passed out

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    The benches also provide enough length of face to allow sustained, uninterrupted production. Open pit mining is a large scale method in terms of production rate, responsible for more than 60% of all surface output. It continues to produce more mineral resources at lower cost to enable the mining of ever-decreasing grades of most metallic deposits.