US1776509A - Rotation mechanism for rock drills - Google Patents

Rotation mechanism for rock drills Download PDF

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Publication number
US1776509A
US1776509A US246231A US24623128A US1776509A US 1776509 A US1776509 A US 1776509A US 246231 A US246231 A US 246231A US 24623128 A US24623128 A US 24623128A US 1776509 A US1776509 A US 1776509A
Authority
US
United States
Prior art keywords
piston
cup
rotation mechanism
rifle
rotation
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
US246231A
Other languages
English (en)
Inventor
George W Hulshizer
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand 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 BE355608D priority Critical patent/BE355608A/xx
Application filed by Ingersoll Rand Co filed Critical Ingersoll Rand Co
Priority to US246231A priority patent/US1776509A/en
Priority to GB30837/28A priority patent/GB303878A/en
Priority to DEI35935D priority patent/DE523905C/de
Application granted granted Critical
Publication of US1776509A publication Critical patent/US1776509A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00Drives for drilling with combined rotary and percussive action
    • E21B6/06Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/15Intermittent grip type mechanical movement
    • Y10T74/1526Oscillation or reciprocation to intermittent unidirectional motion
    • Y10T74/1527Screw and nut devices

Definitions

  • thefinvention consists of the combination of elements and arrangement or" parts'having the general modeflof operation substantially as hereinafter described and Figurel is asectionaljelevation ofa rock drill having the inventionapplied'thereto,
  • Figure 2 is a transverse View taken through tioncup.
  • FIG. 1 F Fi ure l-is a'perspective view of the rotation cover, and a 5 Figure5 is a perspective view of the rota Referring to dr gs; the invention is ""shown'emb odied in a rock drill having a pylinderA' provided-with a hammer piston B reciprocable in the cylinder for delivering blows of impact to a working implement (not shown) extending into the front'end of the rockdrill. ij, 1 a s v v 'On the rearward'end of the cylinder A is disposed aback cylinder C having a hollow extension 1) which projectsinto thecylinder VA to guide the hammer piston B.
  • the rear- .;erative position inany suitable manner, as v for'instance, by the side bolts G disposed on i Pressure fluid for actuating the drill may. be conveyed from a suitable source of supply -5 (notshown) by a connection H attached to 'oppo'sitesides of the drill.
  • the rotation ring E'andthe back :cylinder conveys the pressure fluid from the connection H to a throttle valve K in the back cylinder OQ
  • the throttle valve K maybe of a ,well known type and is adapted to control the admission of pressure fluid into theback cylinder 0 where it may be distributed bythe ,piston B in a well known manner.
  • Suitablemeans are provided for imparting a stephy step rotative movement to the workmg implement preparatory to the deliverylof the blow of the hammer piston thereto.
  • a fluted rifle bar L which is journalled in the back head F at one'end and also ,inthe back cylinder C extends throughjthe' said back cylinder and"interlocks slidably with a fluted rifle nut O in the rearward end of the piston'B.
  • the riflexbar L is a cam P in the form of a parallelogram having two long straight sides Q, and end surfaces R inclined'withrespect to the sidesf Q, but parallelwith respect to each other.
  • the cup S is adapted to'rotatein the rotation ring andhas .a central aperture T in its front end to rotatably receive, therifle harL.
  • a closure is provided forJt-he rearward end of the cup S in the form of a' cover U which has a cylindricalbody portionqV adapted to fit snugly in the rearwardend ofthe cup S.
  • said cover is provided with pair of diametrically opposed wings W which in the assembled position seat into notches Xin the rearward end of the cup S,
  • the cover U are formed longitudinal slots Y and Z respectively whichin the assembled position of these elements will be in alignment with each other to serve asguides for rollers b adapted to be pressed between the end surfaces.
  • the cover U also hasa central aperture 0 to receive the rearward end of the rifle bar'L for which. itif rrns a bearing V cam P, thus at all times assuring the correct The heyam 'z w erem;
  • the cover U is'provided with integral" lugs d on one side thereof to “extendinto the :cup S tofa point near the bottom of "said cup.
  • the outer surfaces 6 of the lugs d are suitably-- cu rtveclito cervre po lt win rur f I p I a h p 3 the rifle barL will 'b'e sulfioiently 'rot'atdib'y he 6119 aga nst: Wh Qh they-$6555?
  • rollers Z greater depth than the diameters ot the frollers b and only of slightlyjg'rea'ter' width. than the rollers so that the roll'erswilllat "time's lie in "planes substantially parallel to p the axisof rotation,
  • the 'rollers il be heldiagai swl i g w hi 'p to the rotation ring E which they 'areadapted toengag'e' and will there'fore 'atall times remain in the jcor'rect positionfso that azinaximum area of contaetmay beina'intained between "thesefelements, and also ftoxassure 1 againstfthe "possibility ofonl'y one roller beving clampedibetween'the andthei'otation During the operation 'of the detice, as the piston starts rearwardly from the-position 'illustratedinliiguife 1i a'slight rotative in
  • pisto nf rotation mechanismf mock dnu having asunder in Tthe' piston tending throughthering into theioylii fder "to interloli 'sli d'ably with the rotatable in thering aha-1m g l'on giuidinal f'slots in its "periphery, rollers the slots, a

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Transmission Devices (AREA)
US246231A 1928-01-12 1928-01-12 Rotation mechanism for rock drills Expired - Lifetime US1776509A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE355608D BE355608A (sk) 1928-01-12
US246231A US1776509A (en) 1928-01-12 1928-01-12 Rotation mechanism for rock drills
GB30837/28A GB303878A (en) 1928-01-12 1928-10-24 Improvement in rotation mechanism for rock drills
DEI35935D DE523905C (de) 1928-01-12 1928-11-01 Umsetzvorrichtung fuer Pressluftbohrmaschinen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US246231A US1776509A (en) 1928-01-12 1928-01-12 Rotation mechanism for rock drills

Publications (1)

Publication Number Publication Date
US1776509A true US1776509A (en) 1930-09-23

Family

ID=22929833

Family Applications (1)

Application Number Title Priority Date Filing Date
US246231A Expired - Lifetime US1776509A (en) 1928-01-12 1928-01-12 Rotation mechanism for rock drills

Country Status (4)

Country Link
US (1) US1776509A (sk)
BE (1) BE355608A (sk)
DE (1) DE523905C (sk)
GB (1) GB303878A (sk)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6322336B1 (en) * 1999-02-05 2001-11-27 Memminger-Iro Gmbh Lubricating device for a plurality of lubricating stations

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6322336B1 (en) * 1999-02-05 2001-11-27 Memminger-Iro Gmbh Lubricating device for a plurality of lubricating stations
USRE40898E1 (en) * 1999-02-05 2009-09-01 Memminger-Iro Gmbh Lubricating device for a plurality of lubricating stations

Also Published As

Publication number Publication date
BE355608A (sk)
GB303878A (en) 1929-07-11
DE523905C (de) 1931-04-29

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