US3131916A

US3131916A - Feed for deep mine auger machine

Info

Publication number: US3131916A
Application number: US18356A
Authority: US
Inventors: George L Adams; Charles T Govin
Original assignee: Salem Tool Co
Current assignee: Salem Tool Co
Priority date: 1960-03-29
Filing date: 1960-03-29
Publication date: 1964-05-05
Anticipated expiration: 1981-05-05

Description

5 Sheets-Sheet l THE/n ATTORNEY I G. L. ADAMS ETAL FEED FOR DEEP MINE AUGER MACHINE S m d 1 3 NB mi 3 v WWW k k 3 m 3 mm,

CC w y n: \m h. I h u um um i H 1 E mwl m. Q I llllfifl II 1 4 QQ\ E B\ 0% May 5, 1964 Filed March 29, 1960 May 5, 1964 e. ADAMS ETAL FEED FOR DEEP MINE AUGER MACHINE 5 Sheets-Sheet 2 Filed March 29, 1960 INVENTO s G'sokGE (.Amm: i C H B 4245.5 776'awu T4512 A 7' raeue v May 5, 1964 G, L. ADAMS ETAL FEED FOR DEEP MINE AUGER MACHINE 5 Sheets-Sheet 5 Filed March 29. 1960 CHARLES TZGawu ELg.

THE/2 A rrazu'v May 5, 1964 e. L. ADAMS ETAL FEED FOR DEEP MINE AUGER MACHINE 5 Sheets-Sheet 4 Filed March 29. 1960 mm W m Q w Qm m mm QM mm R Q mm mm KJQ 2602 as L 1 2 3.2

HARLES awu THE/1e A TI'ORNEY United States Patent "ice Patented ;f

the operating structure of the auger machine. The mar- 3,13 ,9 ginal edges at the end of the pan 8 are likewise secured to FEED FOR DEEP MINE AUGER MACHINE the upstanding walls 3 and 4. At each of its four corners George L. Adams and Charles T. Govin, Salem, Ohio, assignors to The Salem Tool Company, Salem, Ohio, a corporation of Ohio the frame 1 is provided with the vertically disposed jacks 5 as indicated at 10 and 11 at the front of the machine and Filed Man 29, 1960 Ser. No. 18,356 12 and 13 at the rear of the machine. Another set of 3 Claims. ((1 7 vertical ]3.CkS 14 and 15 are positioned adjacent the jacks 12 for the purpose of expanding to the roof and to cooper- This invention relates generally to auger mining maate with the jacks 12 and 13 securing the rear end of the chines and more particularly to a deep mine auger ma- 10 frame. chine that can be moved along a mine face to anger coal As shown in FIG. 1 the auger mining machine compristherefrom. ing this invention is provided with a carriage 16 which is In deep coal mining the seam may be too thin to propsupported by the wheels 17 that ride on the top surface of erly mine by forming entries, main hauls, lateral tunnels the rails 3 and 4. Lateral guiding wheels 18 are provided and rooms. This is particnlarlytrue if the roof is nor- 15 to ride on the outer surfaces of the rails 3 and 4 to mainmally bad and the cost in mining and shoving is greater tain the carriage on the track. The top of the carriage than the coal recovered. If such a vein of coal cannot be 16 is provided with two sets of rollers 20 that ride on the mined from the surface by the so-called punch mining under'surface of the bar 7 and lateral rollers 21 are secured method then it is far more economical to properly shove to the carriage to engage the opposite sides of the bar 7 parallel entries along a long coal face forming a block 20 for retaining the carriage in position and holding the and auger the coal from both directionsinto the block. same downwardly against the track. a In this way a goodly percentage of coalmay be recovered The carriage 16 consists principally of the hydraulic Without endangering the loss of expensive equipment and motor 22 which is mounted to drive the reductiongear under conditions where a roof or coal fall will pinch a 23 for the purpose of rotating the coupling 24. The transsingle auger. 25 verse drive shaft 25 is driven by the hydraulic motor'26.

An object is the provision of a positive mechanical The shaft 25 is provided with a sprocket 27 and is confeed to move the rotary auger into the coal. This drive 7 nected by a chain to the sprocket 28 on the jack shaft not only provides positive feed but also reduces the load 30 carried in the bearings 31. An outboard sprocket 32 on the equipment rotating the auger. Although both mayis connected by a chain to the sprocket 33 on the outer be hydraulically driven from the same source both can 30 end of the shaft-34 which is carried by the bearings 35 of also be driven by electric motors which are independent which there are four in number. Between each of the of on another to the main current supply. bearings 35 the shaft 34 is provided with a sprocket 36 Another object is'the provision of an open frame as an and 37. The sprocket 36 interengages and meshes with angering machine. The frame is practically open for one the chain 38 on, the side rail 4 while the sprocket 37 interfull sideand most of the top to provide greater ingress 35 meshes and engages with the chain 39 on the side rail 3 and egress of the angering and cutting head units. The and. asnthe shaftv25 is reversed the carriage 16 is moved hold down rail may be centered in the frame or closer to 7 back and forth along therails 3, 4 and 7 within the frame Ll-LU nunvvurxnl blxlc LU PLUVLUC niui'c ruuni yet stir! p10 .1." ".u'ic u'ottun'r'piat'c 1'. as enuwnin 100. 1 aim [is ro duce adequate hold down pressure for the carriage. vided with the two setsof spaced aligned pairs of. brackets Other objects and advantages appear hereinafter in the 4 42 and 43, 44,and '45 all of which are provided with the following description and claims. inturned

flanges

46 and 47 to receive and support the The accompanying drawings show for the purpose of skids 48 and 49.- Each of these skids has a bottom plate exemplification without limiting the clairnsthereto, certain V 5 50 and sides 51 which forman upwardly open "channel practical embodiments illustrating the principles of this Closed at its ends as ind1cated'at'52 by turmng the bottom inventionwherein; V plate upwardly. The sides 51 are capped by the FIG. 1 is a View in side elevation showing the deep flanges 53 and 54 which form with the bottom plate 50 mine angering machine comprising this invention. lateral slots for receiving the

flanges

46 and 47 respec- FIG. 2 is a view in top plan showing the deepmine tively. v As shown in.FIG.4 the flange '54 is engaged'by angering machine comprising this invention. the rollers 55 journaled in the plate 2 and allow very little 1 FIG. 3 is a view in front elevation of the deep mine 50 clearance between the top of the skids and the nnder side.

auger machine with parts in section. J of the plate 2,-thns providing for a elevation of FIG. 4 is a transverse sectional view through a skid and the frame with the rails 3 and 4. showing the feed drive shaft and sprockets. A pivot means 56 secures the cylinder 57 to the side FIG. 5 is a view in rear elevation showing the controls walls 51 of each of the skids and the opposite end of and the auger retrieving mechanismand the head and 55 this cylinder has the piston 58 extending therefrom. A auger haul line mechanism. bracket 60 depends from the rail 4 of the frame and is FIG. 6 is a view in side elevation of the structure shown provided with a pivot means 61 to secure the end of the in FIG. 3. piston 58 to the bracket 69. Each of the cylinders 57 of FIG. 7 is a view in side elevation showing the tray coneach skid is double acting and independently energized n terl m the skids 0 and operated so as to permit the machine to be moved FIG. 8 is an end view of FIG. 7. 'dedor-swung in a circle when the lifting Referring principally to FIGS. 1 to 4 the frame 1 G0njacks are raised above the skids. Thepivotal means 56 sists of the bottom plate 2 having the marginal side rails nd 61 are em loyed to take up the clearance that the 3 and 4 Secured thereto and Provided with the from and skids move relative to the

flanges

46 and 47 of the brackback upstanding end walls 5 and 6. The end walls are 65 ets that retain them in position on the under side of the connected at their upper ends by the bar 7 which in this lat 2, Thus when the frame rests on the skids it does instance is shown to connect the ends walls at substantially th o h th h l 55 of whi h ther re four f r a h the center of the machine. The pan 8 is secured to the kid as h n i FIG, 2,

inner face of each of the side rails 3 and 4 and is dished When it is desired to haul the mining machine into I toward the center of the pan at the center of the machine the mine the skids are unbolted from the underside of as shown in FIG. 4. This pan provides a clean bed under the frame and removed and the mining machine is then section 97-is'a1l that are spaced parallel members rolled on the car wheels 62 of which there are four as shown in FIGS. 1 and 2.

When themining machine is'in position the skids are left-.ext endedas illustrated in FIG. 2 for the purpose of receiving the tray63Q 'Ihistray is madeof a pair of ways constructed as shown at 64 and- 65 of tubing and which are connected by the tie members 66 and6 7. The tie members 66 are tubes bowed downwardly to connect theways; Whereas the tie-members 67 are in the form of lirackets havin gthe outwardly extending

flanges

68 and 69 which einbrace theopposed adjacenttopflanges 54,

and 53 of the

skids

48 and 49 respectively as shown in FIGS Z and 7. The forward end of the ways64- and 65 are bent downwardly and outwardly as indicated at 70" and areconnected by a plate 72 which forms an:

and 71 apron, Thi apton extends to thefrontpf the machine as shownin FIG. 2,.andenables'the tray, to'receive an. auger section' zdrawn by the cable 73 over thepulley :74

mounted on the rear wall 6; As shown on FIGS. 2 and 5 the cable 73 passes aroundfl le pulley 75 and is' attached to an anchor 76. The pulley in turn is mounted on a the end of the rod 78 that-,operates'within clevis 77 on the cylinder 79.. As the pistoniis drawn intothe cylinder the cable 73draws the auger string out of the bored, h'ole onto therack 63.; r 1 w i Asshown in FIG. 4 a carrier 80 is provided to mime top; of the, bar 70 for the purpose, of carryingthe cables and;hydraulicconnections 81"depen'ding therefrom and,

which ridel on the rollers 82.

'jAsshowu in FIG. ,3,the front walrs has manna. opening 8 3;forreceiving the augerbarrel- 84 a'ndzthe'cutting head 85 which first pass into the coal and. arefollowed by consecutive sections of auger flights. The-bar rel"8,4 is of the nonrotalry type and is provided with the guides 86; The hole SS-inthe front wall 5 has a-lower lip 87securedthereto fortthe purpose of aiding inguiding the auger head andbarreL' Asshown'in FIGS; 3 and 6' P am the front of the machine and brackets 90 are provided on the outer face of the jack cylinders to tubes 88 together withthe slides or casings 93 thatpass over thetubes 88; Each of these guides with an additional guide 94 and the tube its inner endjas indicated at: 95 to permit the same to be withdrawn and rotated and retur ned to: move the guides 94 out of the path of the augers after the barrel and the cutting-head has passed thereover'n Theo'uter e rtens'ion 96j-g of this guide may be dispensed withwhen the inner is necessary. As shown these guides which allow the coal to drop additional gu'ides'inth'e form o fthe tubular members-Q8 are pivoted as indieated' ,1 P-1 port the' suspension members-91 and 92 that'suspend the" 93 are 7 provided 93 is SlOtfe'd at v downwardly therethrough when it reaches the mouth of the bored hole at the front of the machine. Ordinarily a trough conveyor is laid along the face of the coal to receive and immediately remove the coal as it is augered.

As shown in FIGS. 1, 2 and 5, two banks of

controls

100 and 101 are provided on the side of the machine and two of these controls from the bank of 100*are' extended to the opposite side of the machine as indicated at 102. Also as shown in FIG. 2 a seriesof controls 103, 104 and 105 are indicated on opposite sides of the machine to enable the operator to actuate these controls from either 7 1 side ofthe machine.

to anchor said frame with the other jacks.

References Cited inthefile of this patent 45 2,062,657 Joy Dec. 1, 1936? j 2,394,194 McCarthy Feb. 5, 1946 2,698,169 Fawkes Dec. 28, 1954 '5 2,719,708 Compton 0a. '4, 1955 50 2,800,970 Barrett July 30; 1957 2,906,515 Swanson et all Sept. 29, 1959 2,935,309 McCarthy Maya-1960' 1. An auger m' ing machine including a frame having a, bottom plate'with marginalside rails formingaa track and front and back upstanding end walls the centerof the tops of which are connectedby a bar, rack means se-p cured to said track side rails, acarriage riding on said track andv having a rotary driven coupling to receive a;

drilling assembly, a rotary transverse shaft on said. care riage;,to'oth means adjacent each .endlof s'aid shaft for: engaging saidrack means,. rotary power .meansrto drive said shaft to move said carriage back and forth to feed and retract: said rotary drillingassembly, guide on'said carriage engaging said bar to hold said carriage and tooth;

meanslinzoperative engagement. on said track and rack 'means, said frame being open from said centered top. bar

to theJside rail'al'ong at least one side thereof to facilitate in inserting and withdrawing-said drilling assembly.

I 2.2The: auger mining machine ;of claim 1 characterized by a=pan Secured along each of itsmarginalsides to said rails and along its'rnarginal ends to said end walls and spaced above saidbottorn' plate; said pan dished transversely of said frame forming 'a smooth solid bottom enclosing the space between plate andsaid rails. t v

13. The auger'mining machine of claim 1 characterized bya' vertically disposed said pan and said bottom roof jacks on said'frame'to expand against the mine roof UNITED STATES PATENTS,

ma e m1; Apr. 11, 1961 jack at each corner of" said frame to 'raiseand adjust the framerelative to the ground-and

Claims

1. AN AUGER MINING MACHINE INCLUDING A FRAME HAVING A BOTTOM PLATE WITH MARGINAL SIDE RAILS FORMING A TRACK AND FRONT AND BACK UPSTANDING END WALLS THE CENTER OF THE TOPS OF WHICH ARE CONNECTED BY A BAR, RACK MEANS SECURED TO SAID TRACK SIDE RAILS, A CARRIAGE RIDING ON SAID TRACK AND HAVING A ROTARY DRIVEN COUPLING TO RECEIVE A DRILLING ASSEMBLY, A ROTARY TRANSVERSE SHAFT ON SAID CARRIAGE, TOOTH MEANS ADJACENT EACH END OF SAID SHAFT FOR ENGAGING SAID RACK MEANS, ROTARY POWER MEANS TO DRIVE SAID SHAFT TO MOVE SAID CARRIAGE BACK AND FORTH TO FEED AND RETRACT SAID ROTARY DRILLING ASSEMBLY, GUIDE ON SAID CARRIAGE ENGAGING SAID BAR TO HOLD SAID CARRIAGE AND TOOTH MEANS IN OPERATIVE ENGAGEMENT ON SAID TRACK AND RACK MEANS, SAID FRAME BEING OPEN FROM SAID CENTERED TOP BAR TO THE SIDE RAIL ALONG AT LEAST ONE SIDE THEREOF TO FACILITATE IN INSERTING AND WITHDRAWING SAID DRILLING ASSEMBLY.