US1006213A - Mining-machine. - Google Patents

Description

L. P. HESS.

MINING MACHINE.

1 APPLICATION FILED APR.11 1910. 1,006,21 8. l

1 N Q S A Witnesses v u v Inventor.

Atto rn eys 2 SHEETS-SHEET 1.

L. I'. HESS.

MINING MACHINE.

APPLXGATION FILED A1 ,R.11,191o.

Patented 0G13. 17, 1911.

2 SHBBTSSHEET 2.

Witnesses nlarljy `for mining coal. -"l`h e object of thepresent 1 3e it. known that I, Loiiis Fl 11e-Seya citizen of the- United States'f residingf at the.followingI is a specification.

ments in mining in a'eliin'cls;I designed' particelongated groove or pocket iii li l1e'coal veinchine is cl1a.i :ic,tci'i' /.erl. by'its fimplicityofA structure andhghtjncse inn'ei'gth while-at' the seme time being very ellicientinopera- 1.11 geh anton'iaticin ol'ieration h nt posselesing the '7' capability. of heing elevated 'or clcpreSsedto avoid any une venncsS-I in 'the' coal `@ein and furthermore presenting no movii'ig parts which are liable to injure workmen. Because of the cxtreme simplicityof the maclnne the cost ot' maintenance ismrednced toaminimnm and the machine requires no attention except in starting and stopping a.nd` 1n transportation trom one location to another.

.The intention l from a consideration .of the follow1ngfdetailed description taken in connection with the accompanying drawingsin `\\'liicli drawingsz Figure 1 is a longitudinal central section of the machmcgwith parts broken away.'

Fig. Q is a cross section'on the -line .A-B

. Fiji:-

tion and broken away to VShow fthe' Am'eavn'iS fdr controlling-the feed`of thema'chme. toy

of Fig. "1. Fig. 3 is a' detail sect-ion 'of "a portion 4of the means .for fccding'tlie Ina.-v

chine. YF isa plan vic'w'of the machine '.Sith parts broken 4:uvayjand fm Section'. 5 rsf-a 51dejelevation'with parts in' 'sec-' .the work and the' withdra-wal1of Vthe eutting end o'f the machine from thefi'vork.

1,Referring to the drawings there is shown 'hath-fin ipenings normally" covered .by doors or-= the.

` relationto' la@crosspiecel "groovesltl formedfin the-.side pieces 15.1: j' lMounted bearing -blocksf'in the c erringe :15, l''As.- aworm 21 carried the gUNl-fr-ED ,STATES l PAfl-EN'lf-IQEHGE. F. nessi i or imwis irmGiNI' BooNEpF-HAWKS NEsL-wne'eyrnime.

specimen@- uf Letters .Patent Patented O ct. y1 7 '1911. Aiipiicetimfmea Apr/i1 V11, lalewsgrierno. 554,781;`

side membersV 1, 2 ea'clrixiacle up ofen outmovingl part-'s' are 'protected-dn. such manner-- that workmen cannotjcme in contact-.therewith and be injiired.t he'reby.: L

V Access, to the interior of ,the cssing is ractice, throi'igh suitable .smell like thereby lbricant may vb esupplied to i -t'hemovingpare'f- The machine capable' of cn t ting a groove or elongated pock'etin the coal close: tothe 'floor of th'e tnnnelf \\'l ietli`e1 in' 'the i sidewall ofthe tunnel or in tl'ie b1 i't of the tunnel7 the machineheilig` velVitlii'n the casing? adjacent thefiinner platee 4 ofV the sidememb'ersand located near the-bottoni 'of the, caing aretracls 8 etenled longitudinalllw` of: the'. ca sing .and

l'iio'h'er attlierearend'tl'ian iitythe front end. he frontnend of the-casing, 'that is the end presentedtofthe'work, is-pro'vided With ano'p'ening or passage- Way 49 for .a cntter 'head -1( )'vijhich is shown as'of an elongated conicalfor taper form with a spiral web or ledge carrying e; continuons Vseries of cutters and ftermmating at. thel front end in an augerli'ke 'cutter -11.= This cutter Vhead is l-carried 'by a. shaft'lQ'atta'chedto. the cutter headfat "the Wider ,or near end thereof in l j theffixis of the cutter head so -that when the will he best 'understood- 'nhle 'hearing 11k-mounted on a 'carriage gnade np ofc 'side' members 15l andcross members 16, the sidemembers heing rovidedat. their adapted to the tracks 8 sothatlthefcarriage may s'lide'id ong. the 'tracks fox-, -expurpose which will-hereinafter V: ippeanf. j

-fThe bearing 14 `1 s monnted'infentrzilized Sliding in tothe full extent designed.

through said ivorm the shaftcarries another pinion 22 engaged.-

bya worm pinion 23 on the armature shaft of an electric motor 24, the purposeof the motor being to give .rotary movel'nent to the shaft 12 and the pinionf22 is elongated so that the shaftmay/have alimited longi tudinal movement/without disengagement' l from the pini'o/n 23.

The Worm 21 engages a worm pinion 25 on a shaft 26 traversing the carriage 15, 16 and having bearings '1n the side members' 15 throughvrhich the shaft 26 extends at both ends and enters the interiors ofthe members 1l and 2\through elongated slots 27 in the plates 4, these slotsbeing suiiiciently long to permit a 4movement of thecarriage15,

16 sutlicient to completely house the 4cutter head 10 in the casing or to projectthe same The shaft 26 carries cams or eccentri'cs 28 to each; of which'is applied an -eccentric strap 29' having an arm 30 the free end of which is pivotedzto a'pin 31`between ears 32 erected on the cross piece 18 carryingthe bearing 14. Rotative movement of `the shaft 26 causes a like movement of the cams 28 and a vreciprocatory movement of the bearing 14 agreeable to the degree of eccentricity ofithe, eccentrics 28 VIn practice a' few inches reciprocation is -found ample, but the invention is not limited to any ,lparticular amount of reciprocatory movement.. r'1`he carriage 15, 16 is fed forward a manner to be describeduntil the cutten head 10 has entered the desired distance into the Wall of the tunnel, the motor 24 being at the timeA energized so as to cause the rotation of the shaft 12. This ro` tary movementof the shaft 12 is communicated to the worm 21 and the shaft-26 is driven at a'slower 'speed through the intermediary of the worm gear 25 so that the eecentrics 28 are rotated =at a comparatively slowV speed and alike slow speed' reciprocation is imparted to the bearing 14 and consequently to the shaft 12.

Lodged within each side member 1, 2 is 'a rack .frame 33 having rack teeth 34, 35

on the inner facing edges. Each frame 33 is supported at the ends by studs 36 entering inclined slots 37"'inthe plate 4.

At the rear end each frame 33 is connected by a link. 38 to a corresponding e rockarm 39 onxa rock shaft 40 mounted in journal bearings on the rear end of the casing or frame of the machine andvextending across the same so that the one rock 33. This rock shaft is under the controlof a lever 41 carrying la latch 42 in opera-.

tive relation to' asegment 43 provided with notches for4 engaging the latch 42 so that the lever 41 mty be'adjusted to different positions /and there locked. v

The arrangement is such that when thev lever 41 is in one position the rack frames 33 will be moved forward toward the active end of the machine and because of the inclination of the slots 37 each frame will be directed toward the' bottom of the correspending side 1, or 2 a the case may be and when the lever 41l is moved in the opposite direction the frames 33 will be caused to move upwardly. 'y

At the ends of the shaft 26 within the side membersv 1 and 2 the shaft carries pinions 44 adapted to engage the racks 34 and 35 of the frames 33.

Then the lever 41 is in one position, the

rack 34 is moved into engagement With the pinion 44 of each side of the machine and when the lever is-in the other position opposite to that first assumed 'the rack 35 is in engagement -With the pinion 44 on the opposite sides 'of the machine while when the lever -41 is in'an intermediate position then neither racks 34 nor35 of the twoframes` 33 are -in engagement with the pinions 44. s q The front end of the -frame of the machine is mounted upon wheels 45 capable of movement about a vertical. axis as Well as upon al horizontal axis, and atthe rear there is provided a caster wheel 46 mounted upon an elongated stem 47 extending through bearings 48 in` the frame df the machine and at the upper end thisstem is threaded as shown at 49 to receive a nut 50 which may be turned at willA to elevate or depress the wheel 46 Withnrelation to the frame. a

The vertical adjustment of thejstem 47 permits theraising or lbweri -vxlof'tllie rear end of the machine and consequently the tipping lof the cutter head( may be raised o`r lowered as necessary. 1 e., .Y ,y

Mounted in the side memberJi?. near the front end thereof is an uprighteshafltl car- 10 lso that it may be found rying a sprocket .wheel 52. This 'shaft also carries a toothed Wheel or ratchet v53 havin" its teeth-movablethroughlaslt-54 in the transport 'the machine fromplace to place.

the temporarily 'and'b to be `readily removedt erefromhvhen .it is desired' to fgLet 'it be assumed that the, machine is in .b 'eing theuleftvhand'ivall to a person at the rearleiitlof the machine and looking toward 'tl1e:lt r g nt end. During' transportation the 'carriagel 1G,V is retracted so that'both this pletely housed withinth'e casing, so now'the motor 24 is startedivhile-the lever "141 in 15 ,theff'intermediate/position holding therack carriage 'and 'the'cutter head'lOfare com frames 33 so that neither the raclrs 3dr nor 155 fare inveiigag'emen't with the pi'nions The action of the AmotorQl 1.. to drivethe shaft 2G in the desired direction and'theniby movtlhe lever 4 1 in the proper direction one gf.- with pinions LMaand' Aiffit be assumed that tlie viewed in` Figs. fl andfl then" thel 'carriage'- 15, 1 1willbeV nioved"toward the front of the `ffrnachine and thecutter headj'lO- will be projected,`t he terminal fcutter 1l engaging the coal and boring there-into, this cutter being followed by'tliecutters' on the cutter head 10- thus causing a hole to be ormedin the' coal, the carriage progressing forwardly inf the meantime.

' ceeding the cutter heafd is givena forward `Wh`ile`this cutting is proand backward movement by the eccentrics 28 so that the cutters do not engage the coal continuously there being a succession of intervals of rest during which the cutters have -time to cool.- Ultimately the carriage is moved forwardly until the desired depth of cut has been produced, the finger having in the meantime passed by the teeth of the wheel 53 Without actuating' this wheel, the pawl 56 preventing movement of the wheel under the action of the linger in the 'direction considered. At the next rearward 'reciprocatory movement of the shaft l2v and parts carried thereby the linger 55 is brought into engagement with a toothA of the wheel' 53 and the `latter is given a partialrotaticn, this movement being imparted to the shaft 51 and the chain 57 is drawn toward the machine to a commensurate extent. This results in a side movement of the frame of the machine perpendicular to the longitudinal axis of the cutter head, and' this side movement of the machine takes place while the cutter head is withdrawing from the cut just producedso that the cutters are at this time idle. N W on the next forward move ment of the cutter head the cutters are Abrought into side engagement with the coal and the cut first produced is elongated horizontally. This'operation continues uninterruptedly solong as the machine is inthe position` assumed "and the motoz 2 4; ispjrnnning, .themaehine moving laterally until u ltimate'ly ,it approaches closefenoiigh tothe ,-wall "toward which -itl is moving. Nowhthe .to a position op first moved sot iat the -other'racks the frames 33, saythe racks 3d areA brought ih to engagementwith the pinions y4 4, (tliis occurh thecarriage. l5, 1 6, together-with the cutter' 'head :is i moved' l" earfpardly Vuntil .cutter head is entirely; housed in the machine frame.' Now -the lever 41 is moved 'agaix'l` t'o the/ cem cut olalt'er which the bolt-s60. moved from the; Walls of .the tunnel land 'the machine-may be moved to another'positi'on, for operatingon the coal ini tl1e 1n' i iuier alreadydescribed. 'A

compact, .and lsince itl maybe madedargely bfstructuralmater-ialthe machine is o fsiich light weightfas .toi be readiy moved1 b )In operation no moving partsar tien to c0me 'in .contact ,witlrtlie and consequently, danger yof ,tically eliminated.; f- -f5*'Ih e bottonilof tlieeuttxer substantially horizo'ntal-` andfmdvable' close 'to the floor ofthe,tunnehthecutfproduced in the coal .is veryelosetolthef floor 'Qfthe tunneland nearly `coincident therewith.

than at the outer wall, thus facilitating the blasting out ot the coal withless explosives than is necessary. when the cut is'of equal vheight from front to back. lsqthe amount the cutter head is ofzsmall size comparatively.

The relative proportions of the parts shown in the drawings may be varied as ing of the drawings is in the most part susceptibleof cha-ngeglwitliout in any manner departing from the salient feaiures'of the invention.

The speed of movement of fthe of course vary as desired and consequent] y no particular speed of movement can be given. It may be stated however that with a cutter head of about three 'feet in length,

revolutions per minute and have a recip-4 rocatory movement of 4about 6 inches ex- ()f course these amounts are'merely indica tive. and may be changed as desired.'

-What is claimed is I'.l l na mining machine,a supporting easing, tracks therein at an angle to the bottomV of the casing, said tracks being more :ele-- lever 4l is moved from the centralposition 70 )osite -th a t to;i vh 1chit, was y :ring .in both side-in'er'nbers-l and 2, 'and hen75 'tralvA position and" .current to the motor 8.0

ins ss This cut is of less height withinthe coal of coal removed by the cutters is small since desired, it being understood` that the. showilo parts may 115 the cutter headA may rotate at about 250 tent at 'the rate of about six per minute.

vated at the rear o the casing than at the 1.3?

being fixed to the shaft for`. rotation therewith; a transverse shaft journaled inthe carriage; a pinion upon the transverse shaft meshing -into'the worm; mechanism operl tively `connecting the transverse shaft and the cutter shaft, to secure a longitudinal reciprocation of the latter; a motor upon'the carriage provided with aV worm disposed transversely' of the cutter shaft; andan elongated pinion fixed uponthe cutter shaft I and meshing slidably into the worm.

`3.l In aminingmachine, a casing; acarri'age mounted for reciprocation therein; a cutter disposed upon the carriage; means for advancing and retracting the carriage; a shaft journaled for rotation in the casing; a ratchet wheel secured to the shaft; a flexible element engaged with the shaft andextend-4 ed through the casing transversely of the` line of reciprocation of. the carriage, the flexible 'element being terminally adapted forV connect-ion with fixed supports; and means upon the carriage to engage the ratchet wh eel when the carriage is retracted.`

4. In a mining machine, a casing; a frame vthe line of reciprocat-ion exible element being :for connection with fixed supports;.a`nd in terengaging elements upon the carriage and .upon said shaft, to secure a rotation o the -and the casing to impart transverse movement to the frameand to ix the fra-me,

when the frame is moved longitudinally, whereby either rack may be brought into meshwith the pinion.

5. In a mining machine, a casing; a car` riage mounted for reciprocation therein; a

'cutter disposed upon the carriage; means for advancing and retracting the carriage; a shaft journalcd for rotation in the flexible element engaged with the shaft and casino; a.

extended through thecasing transversely of Y terminally adapted shaft when the carriage is retracted.

In testimony that I lclaim the foregoing as my own, I have hereto aiixed my signa-` ture in the presence o`f two witnesses.

y vLouis F. Hass.

itnesses W. A. SPENCER,

MoLLrn A. MICHAEL.

of the carriage, thel

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