Having thus described the invention, I claim. 1. In a continuous mining machine equipped with a sprayfan ventilation system for methane and dust control, said sprayfan ventilation system including a plurality of sprayfan positioned on the front portion of said mining machine to produce a plurality of water sprays to direct intake air to and across the front of said mining machine to …
[0001] This invention relates to mining machines including a cutting drum mounted on a sumping frame, and more particularly, to such machines with mechanisms to …
The invention provides a walking part tension device and a continuous miner. The device comprises a bearing pedestal, a tension wheel shaft, bearing glands, tension wheels and axial positioning devices, wherein the tension wheel shaft is arranged in the bearing pedestal through a sliding bearing; the bearing glands are arranged on two sides of the sliding bearing, press …
In the specifications it at once advises that "This invention relates to mining methods and more particularly to mining methods of the continuous type in which the coal or other material being mined is continuously conveyed away from the mine face". Its single claim is of "a process of continuous short wall coal mining * * *." The words now ...
The invention discloses a mining height instrument for a continuous miner, which comprises a rack, a transmission gear and an indicating device, wherein the rack is used for connecting to the cutting arm of the continuous miner; and one end of the transmission gear is jointed with the rack and the other end thereof is connected with the indicating device.
The invention discloses a continuous miner navigation and positioning system based on multi-sensor information fusion. The invention provides a continuous coal mining machine navigation and positioning system which mainly takes laser directional navigation guidance of a double-laser transmitter and a single-laser receiver and assists real-time pose calculation, offset …
The present invention relates to a continuous miner, and more particularly to a continuous miner with a conveyor drive system located along a bottom of the conveyor. …
In FIG. 4, a further embodiment of the improvement of the present invention is shown. A continuous mining machine 10 is shown in place in a mine opening in a coal seam 48 and includes, in addition to reverse sprayfans 46, additional forward sprayfans 56 positioned in a spray block 54. Both spray blocks 44 and 54 are desirably positioned as far ...
A continuous miner has a pivotal boom mounting a rotor carrying picks for attaching and dislodging mineral deposit in a mineral deposit seam within host rock. A thin layer of mineral deposit is left respectively against a roof and against a floor. ... In accordance with a third aspect, the invention extends to a continuous miner mounting ...
Swivel-head Continuous Miner . Field of Invention . A substantial proportion of the world's underground coal resources are contained in inclined seams. These inclined seams occur in most major coal mining countries. Currently available continuous miners, which are capable of high rates of production, are designed to work in relatively flat ...
The present invention relates to a system for recovering a continuous miner arrangement from a tunnel. The system includes a coupler for coupling the continuous miner arrangement to a pulling apparatus. The pulling apparatus pulls the continuous miner arrangement from the tunnel. Advantageously, the pulling apparatus may pull the continuous …
Continuous mining currently accounts for about 49% of total U.S. underground coal production each year. Standard continuous miners can extract coal at a rate of up to 38 tons a minute depending upon the seam thickness. New, more powerful continuous miners are highly productive and are remotely controlled being designed for a variety of seams ...
A continuous miner including a support frame having a support frame front, and a sumping frame mounted on the support frame for forward and rearward movement relative to the support frame. The sumping frame has a sumping frame front, and the miner further includes a cutting drum pivotally mounted on the sumping frame, the cutting drum being positioned near the …
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The present invention relates to a system for recovering a continuous miner arrangement from a tunnel. The system includes a coupler for coupling the continuous miner arrangement to a pulling apparatus. The pulling apparatus pulls the continuous miner arrangement from the tunnel. Advantageously, the pulling apparatus may pull the continuous …
The invention discloses a running part of a continuous miner. The running part comprises a back frame body (1) of the running part, a front frame body (5) of the running part and a running reduction gear, wherein the back frame body (1) is connected with the front frame body (5); the running reduction gear is arranged in the front frame body of the running part; the input end of …
The present invention relates to a system for recovering a continuous miner apparatus from a tunnel. The system includes a coupler for coupling the continuous miner apparatus to the draw down apparatus. The pulling apparatus pulls the continuous miner apparatus out of the tunnel. Advantageously, the pulling apparatus may pull the continuous miner apparatus fully or …
7 Claims; (Cl. 262-9) This invention relates generally to improvements in machines for mining coal or the like, and particularly to an improved cutting head for a continuous miner. More recent developments in the field of continuous mining equipment have been characterized by drum cutter heads driven at each end by chains having staggered ...
…by single machines, known as continuous miners, that broke off the coal from the seam and transferred it back to the haulage system. The Joy Ripper (1948) was the first continuous …
Though there are many variations in design, continuous miners mostly consist of five main elements: A central body to carry all other components mounted on some type of drive mechanism to provide mobility (most commonly …
This invention relates generally to improvements in the mining of coal or the like from a solid seam thereof, and more particularly to a combination of apparatus for mining in a more efficient manner. The modern continuous miner is able to remove coal from a solid seam at such a rate as to require a large
US2904319A - Continuous miner with automatic roof support - Google Patents ... Inventor John S Newton Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ... 238000005065 mining Methods 0.000 description 44; 239000000463 ...
The invention discloses a continuous miner and a body part thereof. The body part of the continuous miner comprises a left bearing plate, a right bearing plate, a first cover plate, a first bottom plate and two first horizontal bearing plates, wherein the left bearing plate and the right bearing plate extend longitudinally; the extending planes of the two first horizontal bearing …
continuous miner frame swinging mechanism support 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 US368111A Inventor John R Sibley
The invention discloses a double-drum continuous miner which comprises a host, a scraper conveyor, a shovel plate, an upper cutting part and a lower cutting part, wherein the upper cutting part comprises an upper cutting drum, a speed reducer and an upper cutting motor, the upper cutting motor is connected with the upper cutting drum through the speed reducer, the lower …
The invention provides a scraper chain, a scraper conveyer and a continuous miner. The scraper chain comprises first scrapers, second scrapers, scraper pins, chain links, and chain boards, wherein the two ends of each scraper pin are respectively fixed on each first scraper and each second scraper; a first through hole is formed in each chain link; the diameter of the first …
Continuous miners account for about 45% of underground coal production, and also utilize conveyors to transport the removed coal from the seam. Remote controlled continuous …
The present invention relates to a system for recovering a continuous mining machine apparatus from a tunnel. The system includes a coupler for coupling the continuous miner apparatus to the pulling apparatus. The pulling apparatus pulls the continuous miner apparatus out of the tunnel. Advantageously, the pulling device can pull the continuous miner assembly …
An object of the present invention is to provide an improved mining machine whereby mineral may be dislodged from a mine vein rapidly and efficiently without the use of explosives. Another object is to provide an improved disintegrating head mechanism for a continuous miner. A further object is to provide an improved full face type disintegrating head mechanism which is …
continuous miner radio miner continuous 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.) Ceased Application number AU11186/92A Other versions AU1118692A (en Inventor Marvin L. Haines
The invention discloses a rectangular full-section continuous miner, which comprises a headstock, a power mechanism is installed in the headstock, a bracket is fixed at the front end of the headstock, the front end of the headstock is equipped with multiple layers of tunneling rollers, the extending length of a lower layer of tunneling roller is greater than that of an upper layer of …
The "DOSCO Miner" was a made-in-Nova-Scotia continuous mining machine that helped mechanize coal mining in the 1950s and laid the groundwork for how modern coal mining is …