US2980372A - Support for rock drill - Google Patents
Support for rock drill Download PDFInfo
- Publication number
- US2980372A US2980372A US776568A US77656858A US2980372A US 2980372 A US2980372 A US 2980372A US 776568 A US776568 A US 776568A US 77656858 A US77656858 A US 77656858A US 2980372 A US2980372 A US 2980372A
- Authority
- US
- United States
- Prior art keywords
- drill
- jumbo
- support
- sections
- work
- 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
Links
- 239000011435 rock Substances 0.000 title description 8
- 238000005553 drilling Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010026749 Mania Diseases 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
Definitions
- Fig. 5 a top plan view of the jumbo in the raised, work-k ing position shown by dotted lines in Fig. 4;
- Fig. 6 a horizontal section taken on the line 6 6 of Fig. 4 and drawn toan enlarged scale;
- a principal object of this invention is to so construct a drill jumbo as to provide for exceptional compactness when not in use, without sacrificing requisite breadth for work purposes.
- Another object is to provide a drill jumbo that can be easily lowered through the hoist section of a sectional timber set in a shaft being sunk, and, after reaching the bottom, be structurally expanded so as to comprehend the cross-sectional area of the shaft and place the individual drills at the outskirts thereof for work purses.
- feature of preferred embodiments of the invention for the accomplishment of these objects is the provision of an umbrella-style platform that mounts the individual rock drills, and the provision of mechanism for raising and lowering such platform in order to bring the equipment into working position from collapsed position and vice versa.
- Fig. 1 represents a vertical section taken through a typical mine shaft being sunk with the aid of a drill jumbo conforming to the invention,the jumbo being shown in elevation and in collapsed position as itis lowered through the central, hoisting section of a conventional three-sec tionltimber set;
- Fig. 2 a corresponding'view showing the drill jumbo opened up into working position at the bottom of the,Y
- Theseplatform ⁇ sections serve to mount universally.movablejaekdrill assemblies' 17 for Iextension and retraction relative thereto ⁇ into and out of relatively widely spaced work positions disposed laterally of such platform sections.
- the jack drill assemblies are articulatively mounted on the respective platform sections V16 by means of arms 18, which are each laterally extensible and retractible relative to its platform sections by means of pivotal securement 18-1 of its inner end to an inner corner of such platform sections.
- Latching means. are provided for retaining arms 18 in retracted or extended position, as desired.
- the respective latching means comprise latch bolts 19 resiliently mounted, by means of co'il springs 2,0, in and between the spaced plates ISa, Fig. 7, of lugs 18-1, which project from arms 18, respectively.
- Such latching means further comprise keeper holes 21 drilled or otherwise provided through and at appropriate loca- ⁇ tions in the respectiveplatform sections 16 for receiving ⁇ latch bolts 19.
- Latch-strings 22A hang from latchbolts 19, respectively, for convenient manipulation by the drilling crew.
- Means are provided for raising the platform sections 16 into extended, working positions and for lowering them into collapsed positions.
- such means comprise links 23 pivoted at one set of ends to wings 15a, respectively, of slide 15 by means of pins ⁇ 24 andpivoted at theother set of ends to the outer end portions of platformsections 16,V respectively, by means of pins 25.
- Such means also comprise means for raising and lowering the slide 15, which preferably constitutesmechanismr housed within the post.
- the raising and lowering mechanism is a chain hoist 26operably mounted in'housing -,11, with its load chain 27, Fig. 4, hooked onto engagement member'rlSb of slide 15 and its hand chain28, Fig. 8, hangingvoutside v of post10.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Description
April 18, 1961 P. c. oL-EARY SUPPORT Foa ROCK DRILL 3 Sheets-Sheet 1 Filed Nov. 26, 1958 Lnalln'ylll INVENTOR.
PAUL C. OILEARY BY E M ATTORNEYS April 18, 1961 P. c. OLEARY SUPPORT RoR RocR DRILL 5 Sheets-Sheet 2 Filed Nov. 26, 1958 INVENlfoR.
C. O LEARY ATTORNEYS PAU L April 1s, 1961 P. c. QLEARY 2,980,372
SUPPORT FOR ROCK DRILL Filed Nov. 26, 1958 3 Sheets-Sheet l3 INVENTOR. PAUL C. O'LEARY ATTORNEYS shaft;
SUPPORT FOR ROCK DRILL Paul OLeary, Salt Lake City, Utah, assignor, by mesue assignments, to Machinery Center, Inc., Salt Lake City, Utah, a corporation of Filed Nov. 26, 1956,'ser. N6. 716,563
s claims. (c1. 248-2) .1 Thisinvention relates to rock drilling equipment, and particularly to what is known as a jumbo. n
-For various earth Work, such as the driving of mine shafts, there has been developed drilling equipment mounting -a pluralityl of rock drills in such a manner that they are individually operable, manually, within respec-Y' tive areas which extend outwardly from a support 1n commom, Thus," one Vrnachinelsupports and locates a number of individualrock drills withrespect Vto the work to be done, the ro'ckjdrills being individually operated by drillers within--their respective work areas. Such `a machine is generally referred to as a jumbo. Y n
IIurnbos designed for mine shaft work have been unwieldy and have been capable of use only in shafts having adequate cross-sectional area toperrnit introduction of bulky equipment. Desired reach for the individual background being omitted so as to show only the jumbo;
Fig. 5, a top plan view of the jumbo in the raised, work-k ing position shown by dotted lines in Fig. 4;
Fig. 6, a horizontal section taken on the line 6 6 of Fig. 4 and drawn toan enlarged scale;
tural steel channels a, Fig. 6, facing each other and secured in mutually Vspaced relationship by' housing 11Yand by a box-like base 12` to provide longitudinally extendf'l ing guide slots 1'4"at opposite lateral sides for the reception of respective laterally extending wings a of a slide 15 which is ittedin slideway 13Vfor free sliding vmovement has been "achieved only at the expense Yof compacttiess; the drill-supporting structure has had to be sufficiently broad to place the drills within or near the particular outskirt work areas.
A principal object of this invention is to so construct a drill jumbo as to provide for exceptional compactness when not in use, without sacrificing requisite breadth for work purposes. v
Another object is to provide a drill jumbo that can be easily lowered through the hoist section of a sectional timber set in a shaft being sunk, and, after reaching the bottom, be structurally expanded so as to comprehend the cross-sectional area of the shaft and place the individual drills at the outskirts thereof for work purses.
poA. feature of preferred embodiments of the invention for the accomplishment of these objects is the provision of an umbrella-style platform that mounts the individual rock drills, and the provision of mechanism for raising and lowering such platform in order to bring the equipment into working position from collapsed position and vice versa.
Additional objects and features of the invention will become apparent fromv the following detailed description of the presently preferred specific embodiment 'illustrated in the accompanying drawings as an example of how the generic inventive concepts here disclosed may be applied in practice. i
In the drawings:
Fig. 1 represents a vertical section taken through a typical mine shaft being sunk with the aid of a drill jumbo conforming to the invention,the jumbo being shown in elevation and in collapsed position as itis lowered through the central, hoisting section of a conventional three-sec tionltimber set;
Fig. 2, a corresponding'view showing the drill jumbo opened up into working position at the bottom of the,Y
l Fig. 3, a` horizontal section taken on the line 3-p-3 of Fig. 1, showingthe collapsed jumbo in top plan;
upwardly and downwardly of the post.V The divergently-n, formed upperendllA ofV post 10'is conveniently fabricated*V from steel plate, see Fig. 4, Ywelded tothe upper ends of channels 10a. .l
Hinged lto, respectively 'opposite lateral sides` of the upper, housingportion 11 of post 10 area pair of substantially rectangular platform sections 16, each of whichg has considerably greater width than has post 10 so as to span a relativelywide Work` area extending 'transversely of such opposite lateral sides of post 10. Theseplatform` sections serve to mount universally.movablejaekdrill assemblies' 17 for Iextension and retraction relative thereto` into and out of relatively widely spaced work positions disposed laterally of such platform sections.
In the illustrated construction, the jack drill assemblies are articulatively mounted on the respective platform sections V16 by means of arms 18, which are each laterally extensible and retractible relative to its platform sections by means of pivotal securement 18-1 of its inner end to an inner corner of such platform sections. Latching means. are provided for retaining arms 18 in retracted or extended position, as desired. In the form shown, Figs. 5 and 7, the respective latching means comprise latch bolts 19 resiliently mounted, by means of co'il springs 2,0, in and between the spaced plates ISa, Fig. 7, of lugs 18-1, which project from arms 18, respectively. Such latching means further comprise keeper holes 21 drilled or otherwise provided through and at appropriate loca-` tions in the respectiveplatform sections 16 for receiving` latch bolts 19. Latch-strings 22A hang from latchbolts 19, respectively, for convenient manipulation by the drilling crew. l
Means are provided for raising the platform sections 16 into extended, working positions and for lowering them into collapsed positions. In this illustrated embodiment, such means comprise links 23 pivoted at one set of ends to wings 15a, respectively, of slide 15 by means of pins` 24 andpivoted at theother set of ends to the outer end portions of platformsections 16,V respectively, by means of pins 25. Y Y
Such means also comprise means for raising and lowering the slide 15, which preferably constitutesmechanismr housed within the post. In the preferred form illustrated, the raising and lowering mechanism is a chain hoist 26operably mounted in'housing -,11, with its load chain 27, Fig. 4, hooked onto engagement member'rlSb of slide 15 and its hand chain28, Fig. 8, hangingvoutside v of post10.
For anchoring the' jumbo drill in place in its extended,"l
jwjini respeetife e: 'presentlypreferrienspecifi@embodiment'` tljerf it shojlllldbeeunde'r`s'toodv that riofu thennu jumbo' being' irrite; euepeedjqetion; -manie position; ysuoli drill jumboi ullrciently cornpanc't-V toghe,
Al'lly'seated oli the'w earthor rock floo'r30zz'fof`V the shaitV Y Fig.A 2, its platform sectionslmareraisedtoextnded `s' changes lstantially; vertical position to raisedgs'ubs'tan'tillyl horiytio's having considerblypgreate'lr.widthtl1i hslfsadl pofstrstnlrcture"soV as to` span avrelatvlylwde' Work' area extending, transversely lof saidroppositel sides' thereof; 35 Y nieans Vfor! raising and'V lowering. lsaldiplatfriniseetions s Y driufmeuneng anpe pivmvauysecuredie gime/r' come@ Ver i Yrespectively,'ot' said platformv sections and extending out-v w'dlythe'r'efri'; lugs'kt'eldi'rgif'ro'f'said axns respecl" tively, intermediate their lengthsgtoward; and into lapping relationship with respectivenplatform sections; =cooperaa'l tive latch means YVcarriedby saidglugs and saidplatform sections. respectively, and Vhaving latching positions corresponding to inwardly rt'ctdnnd outwardly'exte'nded positions of saidaarms;.meanssecuredetothe outer ends of said arms, respectively; forV mounting respective rock 10 drills;A andV meansg-fforfsupporting, said post'ostrnture inanvr ere'c'fposition during working periods-jie 2; The drnljumbo of elaimrr, 4-whereintliepost stue y, Yture includes a slidewaywexten'cling longitudinally there- Y 15`platformrsections comprises'ia slided operable within said slideway; links articulatively vinterconnecting the slide with 'outerendV portions of the platform, sections; Yand a mane ,s .ually operable, chaint hoist, Vh z'rivinglits load chain at- "rtachedYtosaidlslidand h utside
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US776568A US2980372A (en) | 1958-11-26 | 1958-11-26 | Support for rock drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US776568A US2980372A (en) | 1958-11-26 | 1958-11-26 | Support for rock drill |
Publications (1)
Publication Number | Publication Date |
---|---|
US2980372A true US2980372A (en) | 1961-04-18 |
Family
ID=25107763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US776568A Expired - Lifetime US2980372A (en) | 1958-11-26 | 1958-11-26 | Support for rock drill |
Country Status (1)
Country | Link |
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US (1) | US2980372A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2341033A1 (en) * | 1976-02-12 | 1977-09-09 | Linden Alimak Ab | ARRANGEMENT TO ENLARGE AND FORM SMALL VERTICAL OR STRONGLY INCLINED WELLS OR CHIMNEYS |
FR2414617A1 (en) * | 1978-01-17 | 1979-08-10 | Coal Industry Patents Ltd | MULTIPLE DRILL MAST PUNCHING EQUIPMENT |
US4346766A (en) * | 1979-04-04 | 1982-08-31 | Salzgitter Maschinen Und Anlagen Aktiengesellschaft | Drill cradle with elongated slide track |
US20060054356A1 (en) * | 2002-03-20 | 2006-03-16 | Gerhard Volkel | Working platform |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2143848A (en) * | 1937-02-04 | 1939-01-17 | Worthington Pump & Mach Corp | Drill mounting |
US2675996A (en) * | 1950-09-05 | 1954-04-20 | Le Roi Company | Shaft drill rig |
US2731235A (en) * | 1952-05-07 | 1956-01-17 | Westinghouse Air Brake Co | Shaft drill rig |
US2910274A (en) * | 1956-06-07 | 1959-10-27 | Loren F Scott | Excavating apparatus |
-
1958
- 1958-11-26 US US776568A patent/US2980372A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2143848A (en) * | 1937-02-04 | 1939-01-17 | Worthington Pump & Mach Corp | Drill mounting |
US2675996A (en) * | 1950-09-05 | 1954-04-20 | Le Roi Company | Shaft drill rig |
US2731235A (en) * | 1952-05-07 | 1956-01-17 | Westinghouse Air Brake Co | Shaft drill rig |
US2910274A (en) * | 1956-06-07 | 1959-10-27 | Loren F Scott | Excavating apparatus |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2341033A1 (en) * | 1976-02-12 | 1977-09-09 | Linden Alimak Ab | ARRANGEMENT TO ENLARGE AND FORM SMALL VERTICAL OR STRONGLY INCLINED WELLS OR CHIMNEYS |
US4132276A (en) * | 1976-02-12 | 1979-01-02 | Linden-Alimak Ab | Arrangement for forming vertical or steeply inclined shafts |
FR2414617A1 (en) * | 1978-01-17 | 1979-08-10 | Coal Industry Patents Ltd | MULTIPLE DRILL MAST PUNCHING EQUIPMENT |
US4346766A (en) * | 1979-04-04 | 1982-08-31 | Salzgitter Maschinen Und Anlagen Aktiengesellschaft | Drill cradle with elongated slide track |
US20060054356A1 (en) * | 2002-03-20 | 2006-03-16 | Gerhard Volkel | Working platform |
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