US1626277A - Rock-drilling device - Google Patents

Description

April 26, 192,7.

' E. C5.v GARTIN Rocx nRILLxNG ENIGEv Filed Jan\'.14. 1922 Patented Apr. 26, 1927.

UNITED srarss larsNr Emsa, e. einem; sassarese; marsans, Assreao TQ @www MA- CHINERY COMPANY, A CORPORATION OE` MASSACHUSETTS.

' i .Rock-narrante DEVICE.

Apen-carica' fired january 14, 1922?. serial no. 529,165.

My invention relates tdjmeans for .supplying liquid' and gaseous fluids tov points' of use, and more particularly to improved means for supplying liquid and gaseous fluids to rock drilling devices. l

An object' of my invention is to provlde improved liquid and gaseous fluid conducting means. Another object of my invention is to provide improved liquid and gaseous fluid conducting means fory supplying motive fluid and cleansing fluid to rock drilling devices. A further object of my invention is to provide improved means for supplying compressed air and water to rock drilling devices whereby the latter may be more conveniently handled than is now the ase.

@ther objects and advantages of my inven-A tion will hereinafter more fully appear.

In the accompanying drawings I have shown for purposes of illustration one form which my invention may assume in practice.

In these drawings,-

Fig. 1 is a view mainly in elevation, but

withv parts broken away of my improvedv liquid and gaseous fluid conducting means shown applied to a rock drilling mechanism.

Fig. 2 is a view on an enlarged scale of my improved conducting means, the parts being shown in section to disclose more clearly the structure.

It is a well known classes'of rock drilling it is highly desirableJ to supply liquid to the hole being drilled to l allay the dust and this is commonly done amount of care.

by supplying the liquid through the hollow drill steels which are employed for drilling the holes. Y In prior devices, however, it has been necessary to lead separate motive fluid and cleansing liquid supply connections to the rock drilling device and the two pipes necessitated thereby have greatly interfered with the use of the machines during rock drilling, the pipes tending to tangle and trip the drill runners and requiring an inordinate For the purpose of overcoming these difhculties I have devised an improved mechanismthe illustrative form of which I shall now describe.

Referring to Figure l, it will be noted that I have vshown a drilling mechanism, generally indicated 1, of the well known stoper type, which drilling mechanism comprises a pneumatic motor 2 and pneumatic feeding means 3 therefor. In the use of this fact that for certain device motive fluid is Vsuppliedto the motor 2' under control of a valve mechanism generally indicated by 5- and liquid cleansing fluid supplied through a connection 6- is lihewise controlled by this valve mechanism and'v conducted in any one of a number of wellv known methods to the interior of a hollen drill steel 7. A portion ofthe mo'tiife fluid may also be supplied tol the steelf' along with the liquid 'in any lusual manner..V The type oftool that I'hav'e shown is of the hand rotation typeY vhaving a lever or handle 81 which is grasped bythe operator and oscillated inorder to insure the boring of a true hole. Now it will be `understood that if separate air and water connections were employed, thereV would be two pipeshanging down near the base of the feed mechanism and constantly tending to trip the drill runner. I have accordingly provided means, whose illustrative form I shall now describe,

for reducing the danger of entanglement and for facilitating the use of the drilling mechanism as a whole.

Connected to the end of the valve mechanism 5 is a curved connector member 10, while a second connector llrleads to the liquid cleansing fluid supply connection on the tool.Vv The connectors 1() and 11 lead to a manifold member 12 which is divided herein into coaxially disposed passages 13 and 14,

althoughit will be obvious that the passages need not be coaxial provided one lies-within the other. The connector 11, which is the liquid supplying connection, communicates by a suitably packed joint 15 with the passage 13 and the connector 10 communicates with the-passage 14 It will be noted that a hose 16 through which air is supplied is connected as at 16 to the exterior of the member 12 andv communicates with the passage 14 whileywithin the hose 16 second hose 17 isarranged and communicates with the passage 13, both hoses being held against detachment in any suitable manner as, for example, by the collars and windings shown.` Aty the opposite ends of the` hoses a somewhat similar manifold member is provided, this manifold member having a passage 14 formed 'therein corresponding to the passage 14 and communicat-A ing from an air supply passagemay be attached.- fA passage forming member 20l is vsecured Withintlie passage 14V and has therey finl av pessage13- vrThe hoses 16 and 17` are similarly securedr to the passage Jorinng ineens ende connection 21 for a liquid sup ply pipe 22 Will he noted to communicate with the passage 1g,/ jV I Y Tlieinode of `Operation of this Vdevice Will ot air under pressure and cleansing yliquid .fuill' he connected to the opposite endsol the pipes 16 and l'loy ineens of the connect- .tions 18 und-2l. The cleansing liquid vfiil t-hen. be conducted by the inner pipe and .the ii'iotive fluid by the pipe surrounding theinner-pipe as may he requisite. :Anyleakagee-Will normally he -froni the air intoit-he inner pipe and so), no danger of flooding the inotor Will-arise. As there will he but e 4vsinglevflexible member' for which the Work man must look out, leading from a'point et Vsoine"distance.from the 'drilling device to the drilling device, itivill he apparent that External fluid Ysupplyfcon'nreetions.for i v source of supply respectively.-

the use of the ldrill will bergreatly faciliteted.

While I fheve inv this application specilically described one form which my invention may assume in practice, it Will heunderstood y i that this'forinfofy the saine lfis" shown for 1 "purposes of illustration and-'that ythe invention may he modifiedand embodied in vzL- rious' other" orins Without i departing rfrom its'spirit or the scope oit' the appended claini;` What 'I claim esn'eivzinddesire t'osecureV by Letters` VPatent is :j

rock drillingV v`i'nechanisin v.having internal l'liiid conducting means, comprisingoziiiel gaseous and Cleansing liquid ypressers"supetich end of 'said' coaxial supply jlines; and branchl connections' l communicating withY each of said manifold vrneinloersrend with said internal fluid conductingineans 4and the In testimony WhereotI I aiiix my*signiture.`

ELunR e. erlirrin 'ply lines, manifold :ineinhersf eriengedat Certificate of Correction.

Patent No. 1,626,277. Granted Api-i1 26, 1927, to

ELMER G. GARTIN.

It is hereby certied that error appearsvn the printed specification of the abovenumbered patent requiring correction as follows: Page 2, line 4l, in the cla-im, for the Word pressers read pressure; f1-nd that the said Letters Patent should be read with this Correction thereiii that the same may conform to the record of the case in the Patent Office. Y

Signed and sealed this 7th day of Jima, A. D. 1927.

[L 5.] M, J. MOORE,

Acting Commissioner of Patents,

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