US2833531A - Mobile base for mining machines - Google Patents

Mobile base for mining machines Download PDF

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Publication number
US2833531A
US2833531A US405894A US40589454A US2833531A US 2833531 A US2833531 A US 2833531A US 405894 A US405894 A US 405894A US 40589454 A US40589454 A US 40589454A US 2833531 A US2833531 A US 2833531A
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US
United States
Prior art keywords
jacks
feed
roof
machine
mine
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
US405894A
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English (en)
Inventor
Joseph F Joy
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to NL106136D priority Critical patent/NL106136C/xx
Priority claimed from US725950A external-priority patent/US2801093A/en
Application filed by Joy Manufacturing Co filed Critical Joy Manufacturing Co
Priority to US405894A priority patent/US2833531A/en
Application granted granted Critical
Publication of US2833531A publication Critical patent/US2833531A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/02—Travelling-gear, e.g. associated with slewing gears
    • E02F9/024—Travelling-gear, e.g. associated with slewing gears with laterally or vertically adjustable wheels or tracks
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/02—Travelling-gear, e.g. associated with slewing gears
    • E02F9/04—Walking gears moving the dredger forward step-by-step
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/02—Propulsion of machines for slitting or completely freeing the mineral from the seam by means on the machine exerting a thrust against fixed supports

Definitions

  • This invention relates to mining machines and lmore particularly to an improved mobile base structure for such a machine whereby the latter may be fed over the mine oor and steered either to the right or left.
  • An object of the present invention is to provide an improved supporting and mobility providing'means for a mining machine. Another object is to provide a mobile base structure for moving the mining machine over the oor ofv a mine and for steering the machine. A further object is to provide an improved Creeper or walking base structure. A still further object is to provide an improved walking base structure having improved means for electmore fully appear.
  • Fig. l is a side elevational view of a mining lmachine having a mobile base structure constructed in accordance with an illustrative embodiment of the invention, showing the machine in operating position in a mine.
  • Fig. 2 is a top plan view of the mining machine shown in Fig. 1.
  • Fig. 3 is an enlarged plan view of the mining machine with parts arranged in a compact manner for movement about the mine, and showing parts of the mobile base in horizontal section.
  • Fig. 4 is an enlarged cross section taken on line 4 4 of Fig. 3. i
  • Figs. 5 and 6 are somewhat diagrammatic side views with parts of the mobile base shown in vertical section, illustrating the manner of operation of the base.
  • Fig. 7 is a diagrammatic plan View illustrating the manover the mine floor.
  • Fig. S is a diagrammatic'view illustrating the hydrauhc fluid system.
  • an 1mproved mobile base, generally designated l., is shown em- ,bodied in a coal mining machine, generally designated 2.
  • the mining machine may assume various forms butV is vherein preferably of the longwall, oortype slidable on 'its bottom over the oor of a mine.
  • the mobile base may be incorporated in machines of other types.
  • the mining machine 2 herein comprises, as shown in Figspl and 2, a main frame or body 3 which supports, v at its forward end, a pair of universally adjustable, coactbottom base member or oor engaging skid 6 resting'upon and slidable in any direction over the mine floor. Carried by' relatively movable parts of this sliding base or skid ner of turning or steering the base during its movement working face.
  • f'ice fluid cylinders 10 suitably fixed to the base and projecting upwardly along the sides of the machine body, and the latter has lateral lugs 11 suitably attached to thesek cylinders near their upper ends.
  • Reciprocable in the cylinders are pistons 12 having their piston rods 13l projecting upwardly through the top cylinder heads and carryingat their upper ends, roof-engaging abutments 14.
  • the rear roof jacks 8 have vertical double acting cylinders 15 (Figs. 3 and 4) suitably ixed to longitudinally elongated, relatively narrow, horizontal slides 16 (Fig. 5) constituting parts of the base and guided in parallel longitudinally extending guideways 17, herein formed at the sides of the main part of the base at the outer sides of the machine body.
  • the cylinders 15 contain reciprocable pistons 19 having their piston rods 20 projecting upwardly through the top cylinder heads and carry, at their upper ends, roof-engaging abutments 21.
  • the jack pistons 12 and 19 are movable upwardly under the influence of pressure iluid in the cylinders 10 and 15 to bring the a-butments 14 and 21 firmly into engagement with the mine roof.
  • pistons 24 having their piston rods 23 projecting rearwardly through the rear cylinder heads and suitably rigidly attached at 24 to the vertical cylinders 15 of the rear roof jacks 3.
  • the feed cylinders 23 may be moved forwardly under the influence of pressure nid relative to the then-stationary pistons 24 thereby to move the base member 6 and the mechanism carried thereby, forwardly over the mine oor toward the working face.
  • the pistons 24 may be moved forwardly under the influence of pressure lluid relative to the then-stationary cylinders 23 thereby to move the rear roof jacks again into their foremost position.
  • the feed cylinders may be moved rearwardly under the iniluence of pressure uid relative to the then-stationary pistons 24, moving the base member 6 and the mechanism carried thereby, rearwardly in a direction away from the From the foregoing, it will be evident that the mining machine may be walked step by step either rearwardly or forwardly by suitable operations of the front and rear roof jacks and the horizontal feed jack.
  • a conventional motor driven pump 25 has its intake connected by a conduit 26 to a reservoir 27 which preferably contains a liquid.
  • the v pump discharge is connected by a conduit28 to the inlet 3 is ⁇ 'connected -by ⁇ a return conduit 30 ⁇ back to the reservoir,
  • the valve mechanism has a valve box 31 provided with parallelbores for respectively ⁇ receiving control valves ⁇ 32, ⁇ 33, 3)4, 35 and 36, e'achhaving a suitable 'operating handle.
  • the bores containing the valves ⁇ 32 and 33 are respectively connected iby pairs of conduits 37, 38 and 39, 40 to the opposite e'nds of the uid cylinders 15 respectively of the "rear jacks 8;
  • the bores containing 'the valves 34 and 35 are respectively connected bypairs of conduits ⁇ 41, '42 ⁇ and 43, 44 'to the opposite endsof Athe horizontalfeed 'cylinders 23 respectively.
  • the bore ⁇ containing the'valve 36 is connected by conduits 45 and 46 to the 'opposite endsof the fluid cylinders 1 ⁇ 0 of the front roof jacks 7.
  • the cutting devices 4 and 'the drilling and dislodging mechanism may be operated 'to ⁇ cut the mineral of the'solid mine vein "and to dislodge the mineral in manners fully disclosed in the copending application above referred. to, andwhen it is desired to advance the machine the uid cylinders ⁇ of ⁇ the rear roof jacks 8 may be operated, under the control ofthe valves 32 and 33, thereby to hold the slides 16 in ja stationary position with the bottom abutments 18 firmly engaging the mine oor.
  • Thev feed cylinders '23 may then be concurrently operated, under 'the control of valves 34 and 35, to feed the base ⁇ 6 and the cutting and dislodging mechanism carried thereby, ⁇ b ⁇ odilytoward the working'face to feed the cutting devices into the mineral ⁇ and the fluid cylinders 10 of the front roof jacks 7 may then be operated, under the control of the valve 36,
  • the feed cylinders 23 may be operated to move the slides 16 together with the released roof jacks 8, again into their foremost position, so that the mining machine may again be fed forwardly.
  • the drilling and dislodging mechanism 5 is fully retracted andthe kerf cutting devices may be moved into the compact 'folded position shown in Fig. 3 and the front land ⁇ rear roof jacks 7 'and 8 andthe horizontal feed'jacks 22 'may be operated in themanner above described, to advance the machine stepby step over the mine oor.
  • the rearroof'j'aeks and the feed jacks may be o independently operated to "eiectsliding ofthe base member 6 laterally in one direction or 'the otheras desired.
  • the near rear roof Ajack S is then released and together with the'associated slide 16 n isgfed ⁇ forwardly and thereafter thejack may be extended i"int ⁇ o""fr ⁇ m engagement 'withthe roof. These operations ⁇ may vbe successively repeated thereby to feed the machine ⁇ and turned horizontally either to the right or to the 'left as desired.
  • an improved mobile base for a mining machine whereby the maqchine ⁇ may be walked step by step and may be steered in 'an improved manner.
  • the improved roof and feed jack structure and the separate control valves for the feed jacks and the rear roof jacks not only may the machine be fed along a straight path but may also readily be steered along a curved ⁇ patheither to the right or left as desired.
  • the improved ,base structure embodying .the separate slides and gtiideways at the opposite sides of the base together with the associated roof and feed jacks, provide a mobile base which is not only extremely exible in operation but is also relatively simple and rugged in design, well adapted for its intended purpose.
  • a walking base for advancing and steering the apparatus, said base having a bottornskid plate which receives the weight of the apparatus, said skid plate providing parallel longitudinally extending guideways at thesides thereof, narrow ⁇ elongated slides received in said guideways respectively,
  • a base member for receiving the weight of the apparatus and movable over the oor of a mine, said base member providing parallel longitudinally extending guideways at the sides thereof,rnarrow elongated slides received in said guideways respectively, front roof jacks mounted on said base member at the sides thereof, rear roof jacks connected to the rear ends of said slides respectively, and parallel longitudinally extending feed jacks operatively connected to said base member and to said slides for advancing said base member relative to said slides when the latter are held stationary by said rear roof jacks and for advancing said slides relative to said base mem- 6 ber when the latter is held stationary by said front roof jacks, said rear roof jacks and said feed jacks having power operating means, and separate controls for said power operating means for said rear roof jacks and said yfeed jacks for operating said rear roof and feed jacks at one side'of the base member independently of the rear roof and feed jacks at the other side kthereof to effect lateral 'turning of

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Manipulator (AREA)
US405894A 1947-02-01 1954-01-25 Mobile base for mining machines Expired - Lifetime US2833531A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL106136D NL106136C (ko) 1947-02-01
US405894A US2833531A (en) 1947-02-01 1954-01-25 Mobile base for mining machines

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US725950A US2801093A (en) 1947-02-01 1947-02-01 Method of and apparatus for mining by slot cutting and dislodging
US405894A US2833531A (en) 1947-02-01 1954-01-25 Mobile base for mining machines
FR1087461X 1954-08-09

Publications (1)

Publication Number Publication Date
US2833531A true US2833531A (en) 1958-05-06

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Family Applications (1)

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US405894A Expired - Lifetime US2833531A (en) 1947-02-01 1954-01-25 Mobile base for mining machines

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US (1) US2833531A (ko)
NL (1) NL106136C (ko)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935309A (en) * 1956-07-02 1960-05-03 Salem Tool Co Mining machine having independently operable skids
US2979320A (en) * 1958-03-12 1961-04-11 Salem Tool Co Tiltable deep mining auger machine
US2998964A (en) * 1958-03-26 1961-09-05 Hughes Tool Co Rotary tunneling device having radially adjustable cutters
US3169796A (en) * 1961-04-25 1965-02-16 Marmon Herrington Co Inc Continuous miner having pivotally mounted head
US3205014A (en) * 1960-12-27 1965-09-07 Terra Form Footing Co Rotary tunneling machine having off-set head
US3231310A (en) * 1961-11-17 1966-01-25 Santucci Construction Company Tunneling machine
US3335809A (en) * 1964-09-25 1967-08-15 Poclain Sa Propulsion system for earth working vehicle
US3419311A (en) * 1966-04-11 1968-12-31 S & M Constructors Inc Hydraulic circuit for holding and pushing cylinders of tunneling machine
US3473616A (en) * 1966-10-27 1969-10-21 Forslund & Co Fabriks Ab Rock-drill rig assembly
US3498675A (en) * 1967-04-19 1970-03-03 Demag Ag Tunnel driving machine having symmetrical braces
US3595322A (en) * 1968-06-11 1971-07-27 Otto Reimann A walking platform for drilling equipment with means for oscillating the drill tube
US3647264A (en) * 1970-04-14 1972-03-07 Atlas Copco Ab Machine for driving tunnels, drifts, raises, and the like
US3663054A (en) * 1969-03-25 1972-05-16 Michel A Dubois Machine for digging underground galleries
US3870279A (en) * 1972-09-11 1975-03-11 Allied Steel Tractor Prod Inc Stepper carriage advancement system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1124159A (en) * 1914-05-12 1915-01-05 Mavor & Coulson Ltd Mining-machine.
US1639050A (en) * 1921-10-24 1927-08-16 Executrix Olive Eugenie Morgan Mining machine
US1704866A (en) * 1921-07-01 1929-03-12 Morgan Olive Eugenie Method of mining and mining apparatus
US2062657A (en) * 1933-08-11 1936-12-01 Sullivan Machinery Co Coal mining machine
US2261160A (en) * 1938-12-17 1941-11-04 Sullivan Machinery Co Mining apparatus
US2420755A (en) * 1942-12-04 1947-05-20 Joy Mfg Co Apparatus for mining

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1124159A (en) * 1914-05-12 1915-01-05 Mavor & Coulson Ltd Mining-machine.
US1704866A (en) * 1921-07-01 1929-03-12 Morgan Olive Eugenie Method of mining and mining apparatus
US1639050A (en) * 1921-10-24 1927-08-16 Executrix Olive Eugenie Morgan Mining machine
US2062657A (en) * 1933-08-11 1936-12-01 Sullivan Machinery Co Coal mining machine
US2261160A (en) * 1938-12-17 1941-11-04 Sullivan Machinery Co Mining apparatus
US2420755A (en) * 1942-12-04 1947-05-20 Joy Mfg Co Apparatus for mining

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935309A (en) * 1956-07-02 1960-05-03 Salem Tool Co Mining machine having independently operable skids
US2979320A (en) * 1958-03-12 1961-04-11 Salem Tool Co Tiltable deep mining auger machine
US2998964A (en) * 1958-03-26 1961-09-05 Hughes Tool Co Rotary tunneling device having radially adjustable cutters
US3205014A (en) * 1960-12-27 1965-09-07 Terra Form Footing Co Rotary tunneling machine having off-set head
US3169796A (en) * 1961-04-25 1965-02-16 Marmon Herrington Co Inc Continuous miner having pivotally mounted head
US3231310A (en) * 1961-11-17 1966-01-25 Santucci Construction Company Tunneling machine
US3335809A (en) * 1964-09-25 1967-08-15 Poclain Sa Propulsion system for earth working vehicle
US3419311A (en) * 1966-04-11 1968-12-31 S & M Constructors Inc Hydraulic circuit for holding and pushing cylinders of tunneling machine
US3473616A (en) * 1966-10-27 1969-10-21 Forslund & Co Fabriks Ab Rock-drill rig assembly
US3498675A (en) * 1967-04-19 1970-03-03 Demag Ag Tunnel driving machine having symmetrical braces
US3595322A (en) * 1968-06-11 1971-07-27 Otto Reimann A walking platform for drilling equipment with means for oscillating the drill tube
US3663054A (en) * 1969-03-25 1972-05-16 Michel A Dubois Machine for digging underground galleries
US3647264A (en) * 1970-04-14 1972-03-07 Atlas Copco Ab Machine for driving tunnels, drifts, raises, and the like
US3870279A (en) * 1972-09-11 1975-03-11 Allied Steel Tractor Prod Inc Stepper carriage advancement system

Also Published As

Publication number Publication date
NL106136C (ko)

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