US1489600A - Mining and loading machine - Google Patents

Description

April8'19 J. F. JOY

MINING AND LOADING MACHINE Original Filed Oct. 17 1916 2 SheetsSheet 1 April s 1924.

2 Sheets-Sheet 2 JJ Z4 J. F. JOY

MINING AND LOADING MACHINE riginal Filed Oc u Patented Apr. 8, 1924.

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JOSEPH F. JOY, OF PITTSBURGH, PENNSYLVANIA, ASSIGNOB'TO THE JEFFREY MANU- FACTUBING COMPANY, OF COLUMBUS, OHIO, A" CORPORATION OF OHIO.

MINING AND LOADING MACHINE.

Application led October 17, 1916, Serial No. 126,150. Renewed March 18, 1921i Serial No. 453,477.

To allwkomz'tma concern:

Be it known that I, JosErH F. JOY, a citizen of the United States, residing at Pittsburgh, in the county of Allegheny and the State of Pennsylvania, have invented certain new and useful Improvements in Mining and Loading Machines, of which the following is a. specification, reference being new and useful yimprovements in mining had therein to the accompanying drawing. The present invention relates to certain machines 'of the class which is adapted to form a Ykerf in the coal body to facilitate breaking the coal from its natural bed, and after the coal is broken-down, to gather the broken coal into cars for transportation from the mine. Y

The es ia-l object of the invention is to provi e an improved arran ement "of parts .comprising cutting mechanism adapted to first form a kerf at .the base of the coal body, and after the coal is broken down by any preferred means, such as by blasting, to gather the broken fragments from the fioor of the mine to a suitably disposed K conveyor to be loaded into conveniently placed cars for transport fromthe mine. The devices by which Iy lattain this object 'Y are fully set forth in the following specification and illustrated in the accompanying drawings of which- Fig. 1 is a plan view of the preferred embodiment of my invention, certain parts .being broken away to reveal other parts.

Fig. 2 is a section taken along the line 2 2 of Fig. 1.

Fig.'3 isa section taken along the line .3 3 of Fig. 1'.

Figs. 4. 5, 6, 7, and 8 are diagrammatic figures showing the methods of operation of the machine.

Like numerals refer to similar parts in the several figures. 'I

- As shown 1n the drawing the numeral l indicates the main`frame casting upon which the several operative parts ofthe machine are Supported; vThis main frame casting is shape to form a sole plate 2 adapted to rest upon and slide over the door ofthe mine. Centrally positioned in the malin frame 1, and extending longitudinally thereof, is the conveyor 3 by which the coal 'is transferred to conveniently placed cars at the rear of the machine lfor tra-nsportat-ion from the mine. 'Formed at the forward part of the main frame l, onel parts are alike, a description of one appliesto both. Formed in the housing casting is a hub 6 having a central aperture 7 in which is. journaled the vertical shaft 8. To the lower end of the shaftB is secured a sprocket wheel 9 which engages the cutter chain 10 to drive it.A The cutter chain 10 is of'well known construction, adapted to travel along the edges of the cutter arm 5, and is provided with renewable cutter bits 411 which are so dis travels rearwardly along the outer edge of the cutter arm. Attached to the shaft 8, abo-ve the journal bearing 7 is a worm gear ed that their cutting edges are I presented to cut the coal Aas the. chain 10 12 which is engaged by the worm 13 formed .integral with the worm-shaft 14 horizontally mounted in bearings 15 of the housing 4. A, cover plate 16 attached to the housing casting ltencloses the worm Iand worm wheel and in this plate is formed a journal bearing 17 which affords additional support for the vertical shaft 8. The cutter arm 5' is ofwel] known construction and is .attached by suitablebolts 18 lto yoke casting 19 inzwhich is formeda journal bearing 20 rotatably mounted upon the outer surface of the hub 6. On the yoke 19 Ais formed a circular i-ange 21,150 which is secureda bearingv ring 22, concentric with the shaft -8. Th1s bearing rin-g 22 engages the upper surface of a circular iange 23 of the housing casting to support the cutter arm 5 for ,free rotation about the shaft -8. The outer edges of the bearing vring 22 and ange 21 adapted to engage the feed rope '25 as will` later appear. Formed on the housing casting is a lug 26 pierced vertically by an aperture 27 through which the pin 28 is adapted to be thrust to engage a registering aperture 29 in the yoke 19 to lock the cutter arm 5 against rotation. A projection `30 1s vformed en the yoke casting 19 to which 0B are shaped 'to form a Ag'rooved sheave 24 At each end of the shaft 34 is fixed a bevel gear 36, in engagement with a similar gear 37 attached to the shafts 38extending longi-l tudinally of the machine. At one end each shaft 38 is supported in a bearing 39 of the main frame, and at the other end in bearings 40 of the housing castings 4. The shafts 38 are adapted to be connected, through Vsuitable clutch vmechanism inside the housings 4, and controlled by thelevers 41, with the worm shafts 14'to drive the, cutter chains 10. Y

Bodily movement of the machine relative to the coal face, and also rotation of the cutter arms 5, is ali'ected by means of -the feed .ropes 25 which are connected to the winding drums 43 to be -wound thereon. The drums 43 are suitably mounted upon the mam frame and are actuated by ratchet mechanisms 44 connected by the rods 45 to scription is not thought to benecessary at the eccentrics 46 on the power shaft`34.- As such winding mechanism is well known in the art, and as its construction forms no part of the present invention, detailed dev this time.

, through The conveyor 3 is of the well known chain and scraper type and comprises a forward horizontal receivingl section resting di-V rectly upon the sole. plate 2 and extending below the lower boundary planes of the cutter bits 11, a middle upwardly inclined section, and a horizontal delivery section extending 'rearwardlyI of thel machine, be-

neath which the car 47 maybe placed to receive the coal as it falls from the end of the conveyor. The conveyor consists of an elongated trough 48 composedvof suitable plates and angles, along which travels two endless chains 49 joined together at spaced intervals by the scraper crossbars 50 in a manner common in conveyonpractice. As the construction of `this conveyor forms no part of the prsent invention'further *ile-V scriptionj. is not thought tobe required at this time. vMounted in bearings supportedby the conveyor structure, is a drivingshaft 51 having sprocket Wheels 5 2 which engage the return strandY of the'conveyorclmins 49 to drive the conveyor.` A sprocket wheel 53 attached to the shaft 51 isv connected a suitable chain V54 witha similar rocket Wheel 55 A:mounted on the powe Ahaft 34 to drive theconveyor. l A

At the beginning of each cycle of operation the machine lies along the center line of the mine room with the cutter arms extending forward, their ends in'close prox imity to each other and to the coal face, and locked against rotation by the pins 28. The feed ropes 25 are drawn out vfrom the drums 43 and attached to suitable anchors 56 placed in advance of the machine, as illustrated in Fig. 4. The motor isstarted in a direction to cause the cutter chains 10 to travel forwardly along the inner edges and rearwardly along the outer edges of the cutter arms. "When the drums 43 are actuated to Wind the ropes 25 the machine moves forward and the cutter bits engage the coal to out it, forming the entering, or sumping, cut, as shown in Fig.' 5. lVhen the machine is fully sumped the feed ropes are disconnected from the anchors 56, passed Y around the outer sides of the sheaves 24 and attached tothe projections 30 of the cutter arm yokes, and the pins 28 are removed. When now the ropes 25 are Wound the cutter' arms 5 will rotate divergently to undercut the coal, finishing the operation as shown in 6. The motor is then stopped, and the coal is broken down in any preferred manner, as by blasting. -The feed ropes 25 are then changed to the -innersides of the sheaves 24 and again attachedV to the projections 30 of the cutter arm yokes. The motor is then reversed so as to drive the cutter chains forwardly along the outer edges, and rearwardly along the inner edges of the cutter arms 5, the cuttingcdgesof the bits 11 trailing against the coal. The

feed mechanisms 44 are then manipulated to wind the ropes 25, rotating the cutter arms 5 eonvergently, as illustrated in Flg. 7.

The cutter chains i0 andv the bits 11 engage` the broken coal and drag it onto the conveyor 3 to be carried rearwardly and de. posited in the car 47. As the cutting edges of the bits 11 point inthe opposite direction to the travel of the chains, they do not take hold of the coal, but tend rather to slip over such fragments as are too firmly embedded in the mass to be easily moved. This action tends to loosen up the coal 4Without-the unnecessary produetion of slack. As the bits pass around the sprocket wheels 9 they readily Y v release themselves from the coal and' tend to push it over'on to the conveyor. The coal is thusgathered from the iloor formed by the cutting bits and transferred to `the conveyor, the feeding mechanism meantime being manipulated to accelerate or retard the rate of rotation of the cutter arms as occasion ma require.

When't cutter arms V5 have reached the central, or position, and all of the broken coal has been loaded, the machine will be lifted bodily by any preferred means,

such as by heks, suitable blocks 57 on, a cutter arm pivotally mounted upon' said base frame for rotation in a horizontal plane and having cutter elements adapted when said arm is rotated in one direction to cut a kerf in the coal `body andwhen it l1s rotated in the reverse direction to gather broken coal upon said conveyer. 2. In a mining apparatus, the combination w1th a base frame, of a conveyer therel.o'n,-. a cutter arm pivotally mounted upon said base framevvfor rotation in a horizontal plane and a' cutter chain upon the cutter arm adapted to travel in one direction to cut a kerf in the vcoal body and in the reverse direction to said conveyer.

3. In a mining apparatus, the combina- 'tion with a main frame, of a conveyer thereon, a cutter arm pivotally mounted upon the main frame for rotation in a horizontal plane anda cutter chain on the cutter arm adapted to travel inone direction 'to cut a kerf inthe coal body when the cutter arm is rotated in one direction and to travel in the reverse direction to-gather broken coal gather broken coal upon onto said conveyer when said cutter arm is rotated in the other direction.

4. VIn a mining apparatus, the combination With a'main frame, a conveyer thereon,

a cutter arm pivotally mounted upon the main frame for rotation in a horizontal plane, a cutter chain onl the cutter arm; adapted to travel in one direction to.- cut a lrerf in the coal body whenv the cutter arm' `1s rotated in one direction and to travel -in the lreverse direction to gather broken coal upon said conveyer -when the cutter arm 1s rotated in the otherdirection, and means Ato rotate the cutter arm in'either direction.'

5. In a munng apparatus, the comblnawith a main frame, of-a conveyer theretion on, a cutter arm pivotally mounted on the main frame for rotation in aV horizontal plane, `a cutter chainupon the cutter arm having cutter bits inclined to the direction of the cutter chain and adapted to travel in one direction to cut a kerf in the coalbody and-to travel in the reversefdi-rection to gather broken coal upon the saidconveyer.

6. In a mining apparatus, the combination with -a main frame, ofl a conveyer thereon, a cutter 'arm pivotally mounted upon the mainframe for rotation in a horizontalY plane, a cutter chain upon the cutter arm lhavingcutter bits inclinedA in thedirection of the cutter chai-n and adaptedI to travel in one direction to cut a kerf in a coal body whenthe cutter arm isfrotated lin one directionv and to -travel inthe reverse direction' to gather broken coal upon the said conveyer when the cutter'arm is vrotated in the other direction.

7. In a mining apparatus, the combination with a main frame, ofa conveyer thereon, a cutter arm pivotally mounted upon the main frame for rotation in a horizontal plane, a cutter chain upon the cutter arm havingcutter bits inclined in the direction.

of the cutter chain and adapted to travel -in one direction to cut a kerf fin the coal body whenthe cutter arm is rotated in one direction and to travel in the reverse direction to gather broken coal onto said conveyer when the cutter arm is rotated in the reverse direction, and means to rotate the cutter arm in either direction.

8. In a mining apparatus, the combina-- tion with a main frame, of a conveyer thereon, of two cutter arms pivotally mounted upon the main frame for rotation in the same horizontal plane and adapted when rotated in vone direction to cut a kerf in the coal .body and when rotated in the other direction to gather broken coal onto the said conveyer.

9.. In a mining apparatus, the combina-- tion with a main frame, of va conveyer thereon, .of two cutter arms pivotally mounted upon the main frame .for rotation in the same horizontal plane and adapted when rotated divergently to cut a kerf in th coal body and when rotated convergently to gather broken coal upon said conveyer.

10. In a mining apparatus, 'the combination with a main frame of a conveyerthereon, of two cutter arms pivotally mounted upon the main -frame for rotation in the same horizontal plane, cutter chains on the cutter arms adapted to travel incone direction to cut a kerf in the coal body and in .the reverse direction to gather broken coal onto said conveyer.

11. In a mining apparatus, 'the combina-' tion with a mainl frame, of a conveyer thereon, two cutter arms pivotally mounted upon the main frame for rotation in the same horizontal plane, cutter cha-ins on the tion to out a'kerf inthe coal body when the cutter arms are rotated divergently and to vcutter arms adapted to travel `in one direc.

travel in the 'reverse direction to gather v cut a kerf in the coal ibody when the cutter arms are rotated divergently and to travel 1n thereverse direction "to gather coal onto I c the said conveyer when the cutter arms are rotated convergently.

13. In a mining apparatus, the combination with a main frame, of a conveyer'thereon, two cutter arms pivotally mounted upon said main frame for rotation in the same horizontal plane, cutter chains on the cutter arms having cutter bits inclined to the direction ofthe chains and adapted to travel in one direction to cut a kerf in the coal body and in the reverse direction to gather broken coal onto said conveyer.

14. In a mining apparatus, thecombination with a main frame, of a conveyer thereon, two cutter arms pivotally mounted upon the main frame for rotation in the same horizontal plane, cutter chains on the cutter arms having cutter bits inclined to the direction of the chains and adapted to'travel in one direction to cut a kerf in the coal body when the cutter arms are yrotated divergently and to travel in the reverse direction to gather coal onto said conveyer when the cutter arms are rotated convergently.

15. In a mining apparatus, the combination with a main frame, of a conveyer thereon, two cutter arms-pivotally mounted upon the main frame for rotation in the same horizontal lane and cutter chains on the cutter armslhaving cutter bits inclined in the direction of the cutter chains andadapted to travel in one direction to cut a kerf in the coal body when the cutter arms are rotated divergently and to travel in the reverse di rection to gather broken coal onto said conveyer when the cutter arms are rotated convergently, and means to rotate the cutter arms in either direction.

16. In a mining apparatus, the combination of the main frame, the elevatin conveyor thereon positioned in the centra vertical, longitudinal planes thereof, the two vertical shafts mounted on the frame at the sides of the conveyor, the sprocket wheels on the shafts, respectively, the forwardly projecting arms mounted to rotate around the axes ofsaid shafts, the forwardly extending chains supported on the arms and engaging with said wheels, and means for driving 1n' common the conveyor and the chains substantially as set forth.

17. In a mining apparatus, the combination of the main frame, the elevating conveyor thereon positioned in the central longitudinal planes thereof and havin a relatively low receiving section at the oor and a relatively high delivery section, thetwo ,forwardly projecting arms swin 'ng around vertical axes in a transverse p ane behind that of the front end ofthe conveyor, and the endless chains supported on said arms and arra to bring material to the conveyor whi e they are positively connected therewith.

.menace 18. In a mining apparatus, the combination of the main frame, the conveyor thereon positioned in the central, vertical longitudinal planes thereof, the two horizontally swinging arms respectively mounted on verengaging elements adapted to travel along substantially horizontal non-circular orbital paths converging towards the forward end of said conveyor and ada ted to engage the coal which is to be loade and. move it onto said conveyor. l

20. In a coalrloading machine, the combination with two substantially horizontalrotary driving elements, of an elongated conveyor comprising an endless material moving element the forwardly and rearwardly moving parts of which travel in the same vertical planes and having its forward end 4in a transverse vertical. plane in advance of that of the axes of the driving elements, two coal engaging devices for moving loose coal to the forward end of the conveyor respectively actuated by said driving element and traveling on 'lines converging towards the central vertical longitudinal plane of said conveyor and having orbits or paths of travel in a plane relatively above the plane of the conveyor. Y

21. In a coal loading machine, the combination with an elongated conveyor, of gathering mechanismcomprising two co-operating oppositelv moving coal engaging elements adapted to travel in substantially horizontal non-circular converging orbital paths to engage the" coal which is'to be loaded and move it onto said conveyor.

22. In a coal loading machine, the combination .with an elongated conveyor, of gathering mechanism comprising two cooperating oppositely moving coal enga ing elements adapted to travel in substantially horizontal non-circularv converging orbital paths, and meansto bodily move said gathering mechanism relative to the coal whichy is to be loaded to cause said coal engaging elements to engage said coal to move it onby a substantially horizontal movement for operating upon a pile of material that/is positioned between said devices' and to deliver matorial from said pile dlrectlyinvwardly from said `pi1e towards the ys ace In testimony whereof I aix my signature, bletween the :axes of said devices, ai;1 an in the presence of two witnesses.

e evatng conveyer structure having t e receiving end located so as to receive 4such mal 'JOSEPH F JOY' I terial from between -said axes, whereby said Witnesses:

' fpile serves to position said devices without E. P. SNIvEnY,

other positioning mea-ns. DUDLEY T. FISHER.

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