coal winning machine

Hinge pin device and coal mining machine Google Patents

Hinge pin device and coal mining machine Google Patents

The invention provides a hinge pin device and a coal mining machine. The hinge pin device is applied to the coal mining machine and comprises taper sleeves and a hinge pin, wherein the taper sleeves are mounted at two ends of the hinge pin. The hinge pin device is characterized by further comprising a shaft sleeve connected onto the hinge pin in a sleeving manner, and lubricant accommodating ...

Summary and Conclusions | SpringerLink

Summary and Conclusions | SpringerLink

Xuewen Wang, Jiacheng Xie Suhua Li Chapter First Online: 09 September 2021 219 Accesses Abstract With "virtual reality+" coal machine equipment, "Internet+ " coal machine equipment and so on as the main line of research, the deep "synergy—fusion—transformation—innovation" research of coal machine equipment and virtual reality was carried out.

Coal scattering prevention device of scraper blade conveying machine

Coal scattering prevention device of scraper blade conveying machine

The utility model discloses a coal scattering prevention device of a scraper blade conveying machine. The coal scattering prevention device of the scraper blade conveying machine comprises two groups of baffle plates which are installed on a left groove side steel and a right groove side steel of a middle part groove, wherein each group of baffle plates are formed by the tight arrangement of a ...

(PDF) COAL MINING METHODS ResearchGate

(PDF) COAL MINING METHODS ResearchGate

Coal is an organic sediment consisting of a complex mixture of substances. It has a lot of commercial and industrial applications. It is an energy giving nonrenewable source of energy. Mining of ...

Coal Mining Industrial Robots the Institutions of the Modeling and ...

Coal Mining Industrial Robots the Institutions of the Modeling and ...

With practical small coal roadway coal winning machine for reference to the tunneling of the prototype, the mining of coal industry robot is analyzed. The coal set up 3 d model of the robot, and analyzed the main part. Coal institutions became a hybrid driven simplified controllable seven poles structure model, the use of robots COSM OSM otion coal mining mechanism model of the simulation and ...

Advances in coal mining technology and sustainable ... ScienceDirect

Advances in coal mining technology and sustainable ... ScienceDirect

Between plows and shearers, shearers have established themselves as the main coal cutting machines in the US longwalls and the installed power in the shearer has continually increased over the decades. Fig. depicts the maximum power to be stabilized at nearly 2237 kW in recent years. Download : Download fullsize image; Figure

'Bottom mining and top dropping' coal mining technology for soft coal ...

'Bottom mining and top dropping' coal mining technology for soft coal ...

1. coal winning technology that is applicable to that the soft seam of firm coefficient below " adopted down and put ", it is characterized in that: at first select for use and can support complete thick support (5) according to coal seam thickness, arrange coalwinning machine (6) and other corresponding corollary equipment, the back ...

CNB Openair drilling coal cutter Google Patents

CNB Openair drilling coal cutter Google Patents

Beneficial effect: coal mining, coal heaver's sequence of (1) the present invention outdoor brill formula coalwinning machine are all completed by main frame, simultaneously without the need to face timbering, greatly reduces labor strength and cost of ton coal; (2) by arranging supporting mechanism on main frame and back seat drill pipe ...

University of Wollongong Research Online

University of Wollongong Research Online

In recent times the introduction of powerful coal winning machines has further increased the number of frictional ignitions. For example, the mine disaster at Glace Bay, Nova Scotia, in 1979 claimed 12 lives. ... the mining of coal occurs can be achieved by using machinemounted systems. These systems detect the ignition of methane caused by ...

Deadline's Doc Talk Podcast: Documentary Filmmakers Join ... Yahoo

Deadline's Doc Talk Podcast: Documentary Filmmakers Join ... Yahoo

Bad Press, King Coal, Joonam and Fantastic Machine are all awardwinning documentaries, yet in the race for Oscar recognition, they're underdogs. Despite the many honors they have collected at ...

CNA Sensing control method for coal winning machine position ...

CNA Sensing control method for coal winning machine position ...

The invention discloses a kind of sensing control methods for coal winning machine position method is applied to determine and control coalcutter is in the position of working face, the working face is provided with coalcutter, drag conveyor and hydraulic support, the coalcutter includes rack, draw reduction box, traveling box and control centre, it further include the rotary ...

Krawtchouk moments and support vector machines based coal and rock ...

Krawtchouk moments and support vector machines based coal and rock ...

Coal and rock interface identification technology is being researched to tackle the miner's intelligent miner's coal winning machine's interface recognition problem of coal and rock. When it comes to extracting coal and rock thermal images, Krawtchouk's excellent recognition rate and easeofuse make it a great tool for this.

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CNU Install spraying module on coal winning machine ...

CNU Install spraying module on coal winning machine ...

The utility model discloses an install spraying module on coal winning machine, including the fixed block, this fixed block has a plurality of surfaces, and it has a plurality of mounting holes that are used for installing the shower nozzle to distribute on the part surface of fixed block, and the orientation of these mounting holes is different.

Deadline's Doc Talk Podcast: Documentary Filmmakers Join Forces ... MSN

Deadline's Doc Talk Podcast: Documentary Filmmakers Join Forces ... MSN

Bad Press, King Coal, Joonam and Fantastic Machine are all awardwinning documentaries, yet in the race for Oscar recognition, they're underdogs.

Water cold drum coalwinning machine Google Patents

Water cold drum coalwinning machine Google Patents

The utility model discloses a kind of water cold drum coalwinning machine, existing coalwinning machine present in prior art is mainly solved because the part that motor lateral arrangement is brought is more, produce more heat transfer to bring the problem of potential safety hazard in maintenance inconvenience and its course of water cold drum coalwinning machine includes motion ...

A kind of coalwinning machine system Google Patents

A kind of coalwinning machine system Google Patents

winning machine Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the...

A coal winning machine (Patent) | ETDEWEB

A coal winning machine (Patent) | ETDEWEB

Made available by Department of Energy Office of Scientific and Technical Information ...

Coal Mining Machinery Intelligent Shearer YouTube

Coal Mining Machinery Intelligent Shearer YouTube

About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...

Coal winning machine hires stock photography and images Alamy

Coal winning machine hires stock photography and images Alamy

Find the perfect coal winning machine stock photo, image, vector, illustration or 360 image. Available for both RF and RM licensing.

Rocker arm of drum type coal mining machine Google Patents

Rocker arm of drum type coal mining machine Google Patents

Coalwinning machine is in the coal cutting process, rocker arm of coal mining machine is in a fixing obliquity for a long time, so just have a problem: the gear lubricant of rocking arm housing 7 inside flows to lowest part, can not circulate well, the gear that is in eminence can not well be lubricated, rocker arm of coal mining machine is in this duty for a long time, can greatly reduce the ...

CNU Coalwinning machine Google Patents

CNU Coalwinning machine Google Patents

The utility model proposes a kind of coalwinning machine, including base, base bottom is provided with the walking mechanism moved along coal mine scraper machine pin row, and pan frontward end face or side connect a rocking arm, is linked a coalcutting drum by connection rotating shaft in rocking arm front end;Connection rotating shaft excircle spline connects flange inner sleeve, and ...

Improving Ways of FullyMechanized Coal Winning Technology Per Unit ...

Improving Ways of FullyMechanized Coal Winning Technology Per Unit ...

This paper approaches that improving ways of fullymechanized coal winning technology per unit the coal winning machine oneway cut coal,cycle time is short,cutting drum web is big,starting up ratio is high,every processes tight connect,working face is safety,to be good for the coal winning cutting coal is important ways of fullymechanized coal winning per unit yield.

Dynamical Behavior of Coal Shearer Tractionswing Coupling under ...

Dynamical Behavior of Coal Shearer Tractionswing Coupling under ...

The most critical machine unit in fully mechanized coal face is the shearer and its reliability directly impacts mining productivity. The reliability and vibration of the shearer and its critical ...

CNU Coalscattering preventing device of coal mining machine ...

CNU Coalscattering preventing device of coal mining machine ...

The antiscatter device for coal of described winning machine cutting part passes through two semicircular arms (6) relative fixed on the cutting units drum shaft, and can rotate with cutting units during use, semicircular arms is assemblied in inboard cylinder, and a convex slot is arranged on the drum arc spillplate can turn to diverse location with the lifting of cutting units ...

GBA Coalwinning machine Google Patents

GBA Coalwinning machine Google Patents

winning machine mining Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no...

Coal mining | Definition, History, Types, Facts | Britannica

Coal mining | Definition, History, Types, Facts | Britannica

Coal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy. It was the basic energy source that fueled the Industrial Revolution of the 18th and 19th centuries, and the industrial growth of that era in turn supported the largescale exploitation of coal deposits. Since the mid20th century, coal has yielded its place to petroleum and natural ...

Coal Winning Machine

Coal Winning Machine

Coal Winning Machine products found from trusted manufacturers suppliers Product List Supplier List China Manufacturer of Coal Winning Machine Yrg4 Extra Thin Seam Coal Cutter US / Piece 1 Piece (MOQ)

CNA Coal winning machine Google Patents

CNA Coal winning machine Google Patents

The present invention discloses a coal winning machine. The machine comprises a body, a first cutting device and a second cutting device. The first cutting device comprises a first power...

China Coal Mine Machinery Industry Report,

China Coal Mine Machinery Industry Report,

In H1 2010, Chinese coal mine machinery enterprises produced 18,920 hydraulic supports, up % YoY; 176 coal winning machines, up % YoY; 221 roadheaders, down % YoY; and 671 scraper conveyors, up 25% YoY. Output Value and Growth Rate of Fully Mechanized Coal Mining Equipment in China, . Source: CMIA, ResearchInChina.

Coal Winning Machine Market 2023 MarketWatch

Coal Winning Machine Market 2023 MarketWatch

Mar 14, 2023 (CDN Newswire via Comtex) The recently released report entitled Coal Winning Machine Market is a compilation of factual and critical market...