construction of coal cutting machine

US830586A Coalcutting machine. Google Patents

US830586A Coalcutting machine. Google Patents

By this construction the rotational mechanism is simplified, and I am enabled, as will be seen in Fig. 4, to bring the axis of the drilllcylinder as as close as practicable to the column or offset stud. ... Coalcutting machine. Country Status (1) Country Link; US (1) US830586A (en) Cited By (2) * Cited by examiner, † Cited by third party ...

Breathing Apparatus for Mine Rescue in the UK, 1890s1920s

Breathing Apparatus for Mine Rescue in the UK, 1890s1920s

Garforth invented a coal cutting machine and owned the Diamond Coal Cutter works at Wakefield. He took out patents in relation to parts of the Weg apparatus and sold over 100 units. Whereas Garforth the inventor of coalcutting machines sought profits, Garforth the inventor of breathing apparatus was guided seemingly by more altruistic motives.

The Recent Technological Development of Intelligent Mining in China

The Recent Technological Development of Intelligent Mining in China

The IMSC provides a machine working analysis report of the coal mine by day, week, month, and season in order to guide the reasonable arrangement of a production procedure and machinerepair time. All the coal mines are monitored in real time at the general headquarters of the Anglo American company located in Brisbane, Australia.

USA Coalcutting machine Google Patents

USA Coalcutting machine Google Patents

machine coal chain apron cutting 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 representation as to the accuracy of the status listed.) Expired Lifetime Application number US167857A

A virtual test and evaluation method for fully mechanized mining ...

A virtual test and evaluation method for fully mechanized mining ...

Smart mining and problem origin. We obtained some operational equipment and coal seam data in a working face from a coal mine located in China's Shandong region. The smart level of this working face is high, and it adopts the technologies of shearer memory cutting, hydraulic support automatic following shearer moving, remote centralized control and manual intervention inspection ...

Coal Cutting Machine | PDF | Electric Motor | Mechanical ... Scribd

Coal Cutting Machine | PDF | Electric Motor | Mechanical ... Scribd

Coal cutting machines are used for providing an undercut, or overcut or shear cut in a. coal seam. A coal cutting machine were used to make a groove (also called cut) 1m to 2,5 m in. depth and 125 mm to 175 mm in height at a coal face. The cut was made across the. whole width of a gallery in the case of bord and pillar headways and across the ...

US862831A Coalcutting machine. Google Patents

US862831A Coalcutting machine. Google Patents

coal machine cutting machine bar cutter 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 representation as to the accuracy of the status listed.) ... construction Methods description 2;

coal cutter, coal cutter Suppliers and Manufacturers at

coal cutter, coal cutter Suppliers and Manufacturers at

5063 coal cutter products are offered for sale by suppliers on 1% % of these are energy saving equipment, 1%% are briquette machines, and 1%% are other mining machines. A wide variety of coal cutter options are available to you, such as carbide, carbon steel and high manganese can also choose from energy mining ...

USA Coal cutting and loading machine Google Patents

USA Coal cutting and loading machine Google Patents

v9 mm May 6, 1952 H. G. LEWIS COAL CUTTING AND LOADING MACHINE 5 SheetsSheet 3 Filed July 22. 1949 Harold G. Lewis Patented May 6, 1952 COAL CUTTING AND LOADING MACHINE Harold G. Lewis, Peytona, W. Va., assignor of thirtythree and onethird per cent to Jesse C. Clendenin and thirtythree and onethird per cent to Aubrey I. Glendcnin, both of ...

New design of cutters for coal mining machines ResearchGate

New design of cutters for coal mining machines ResearchGate

Abstract and Figures. The author designs an uptodate rock cutter for mining machines and presents a matrix to determine its service life depending on the strength of the rock being broken. The ...

US641089A Hand coalcutting machine. Google Patents

US641089A Hand coalcutting machine. Google Patents

US641089A Hand coalcutting machine. Google Patents Hand coalcutting machine. Download PDF Info Publication number ... coal standards hand machine Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ... construction Methods description 6;

the knowledge model of mining equipment based on ontology IOPscience

the knowledge model of mining equipment based on ontology IOPscience

equipment, ventilation equipment, drainage equipment and other equipments and devices; Level 3 terms, including the mechanized mining bracket, loader, hydraulic support, shearer, scraper conveyor, boring machine, bolt machine, coalfired power station, electric motors, transformers, mine cutting

Analysis and construction of the coal and rock cutting state ...

Analysis and construction of the coal and rock cutting state ...

The recognition of cutting state of coalrock is the key technology to realize "unmanned" mining in coal face. In order to realized realtime perception and accurate judgment of coalrock cutting state information, this paper combined the field test sampling, construction technology of complex coal seam, virtual prototype technology, bidirectional coupling technology, data processing ...

Image feature extraction and recognition model construction of coal and ...

Image feature extraction and recognition model construction of coal and ...

Comprehensive mechanized top coal caving mining technology is the key technology for mining thick and extrathick coal seams in China. With the rapid development of artificial intelligence ...

Coal Cutting Machine

Coal Cutting Machine

2023 Coal Cutter Coal Mining Shearer Cutting Machine Coal Made In China 10, 60,

Drilling and blasting designs for parallel hole cut and Vcut method in ...

Drilling and blasting designs for parallel hole cut and Vcut method in ...

Introduction. Explosives are probably the most costeffective method of rock excavation in underground mining operations 1 and underground rock excavation have largely relied on drilling and blasting methods in recent years and type of explosives, drilling patterns, and the sequence of initiation are all critical to the successful excavation of rock masses 5.

EPA1 Coalcutting machine Google Patents

EPA1 Coalcutting machine Google Patents

In a cutting machine (1) with cutting heads or rollers (7) rotationally mounted on a pivotable cutting arm (6), including a loading ramp or a conveyor (9) extending in the direction to the mine face for receiving and removing the cut material, wherein the cutting arm (6) is mounted on a carriage (4) displaceable on guides extending in the longitudinal direction of the machine, the carriage (4 ...

A CoalMining 'Monster' Is Threatening To Swallow A Small Town In ... NPR

A CoalMining 'Monster' Is Threatening To Swallow A Small Town In ... NPR

It is one of the largest machines on the planet, and it's used to dig openpit mines. Its technical name is the Bagger 288. But as a little boy on his family farm, Winzen knew it by a different name.

US197090A Improvement in machines for mining and undercutting coal ...

US197090A Improvement in machines for mining and undercutting coal ...

machine mining arm coal 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 representation as to the accuracy of the status listed.) Expired Lifetime Application number Publication date Application granted granted ...

PDF MECHANIZATION AND AUTOMATION IN MINING Springer

PDF MECHANIZATION AND AUTOMATION IN MINING Springer

ALIGNMENT SYSTEM FOR COALCUTTING EQUIPMENT A. V. ll'yusha and A. A. Solntseva UDC :5:52 Automatic alignment systems are a very promising class of devices for keeping coalcut ... As the construction of such systems, together with the coalcuttlng machines, and their testing are very timeconsuming and expensive, it is important ...

US931017A Coalcutting machine. Google Patents

US931017A Coalcutting machine. Google Patents

US931017A Coalcutting machine. Google Patents Coalcutting machine. Download PDF Info Publication number US931017A ... cutter cutting chain 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 representation as to the accuracy of the ...

(PDF) Dynamic Update Method of Working Face Geological ... ResearchGate

(PDF) Dynamic Update Method of Working Face Geological ... ResearchGate

The field test showed that the cutting path planning based on the highprecision dynamic geological model can improve the coal mining efficiency and improve the fusion efficiency between geology ...

Advances in coal mining technology and sustainable ... ScienceDirect

Advances in coal mining technology and sustainable ... ScienceDirect

The technology of coal mining has gone through continual evolutions and several revolutionary changes which transformed the methods, equipment, and productivity over the decades. In recent years, advances in technology focused more on the use of communication systems, automation, and data sciences for the health and safety of the miners and ...

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