AR051573A1 - PISTON DESIGN FOR BACKGROUND HAMMER - Google Patents

PISTON DESIGN FOR BACKGROUND HAMMER

Info

Publication number
AR051573A1
AR051573A1 ARP050103976A ARP050103976A AR051573A1 AR 051573 A1 AR051573 A1 AR 051573A1 AR P050103976 A ARP050103976 A AR P050103976A AR P050103976 A ARP050103976 A AR P050103976A AR 051573 A1 AR051573 A1 AR 051573A1
Authority
AR
Argentina
Prior art keywords
hammer
piston
drum
fluid control
drill bit
Prior art date
Application number
ARP050103976A
Other languages
Spanish (es)
Original Assignee
Sds Digger Tools Pty Ltd
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 claimed from AU2004905433A external-priority patent/AU2004905433A0/en
Application filed by Sds Digger Tools Pty Ltd filed Critical Sds Digger Tools Pty Ltd
Publication of AR051573A1 publication Critical patent/AR051573A1/en

Links

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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

Landscapes

  • 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)
  • Percussive Tools And Related Accessories (AREA)

Abstract

Martillo de fondo que tiene un tambor de martillo (17) con una broca (14) sujeta en un extremo del martillo. Un piston (10) se mueve alternativamente dentro del tambor del martillo (17) e impacta repetidamente contra la broca (14). Un dispositivo de control del fluido provoca el movimiento alternativo de dicho piston (10) por medio del control de fluido a alta presion, donde parte del dispositivo de control de fluido incluye: multiples canales alargados (22) en la superficie interna de dicho tambor del martillo (17) espaciados radialmente alrededor de dicha superficie interna, una superficie de sellado circunferencial (12) en el extremo delantero de dicho piston (10) o en direccion al mismo, que coopera con dichos canales (22) para ayudar a controlar dicho flujo de fluido, existiendo un huelgo entre cualquier porcion de dicho piston anterior a dicha superficie de sellado (12) y la superficie interna de dicho tambor del martillo.Bottom hammer that has a hammer drum (17) with a drill bit (14) held at one end of the hammer. A piston (10) moves alternately inside the hammer drum (17) and repeatedly hits the drill bit (14). A fluid control device causes the reciprocating movement of said piston (10) by means of high pressure fluid control, where part of the fluid control device includes: multiple elongated channels (22) on the inner surface of said drum of the hammer (17) radially spaced around said internal surface, a circumferential sealing surface (12) at the front end of said piston (10) or in the direction thereof, which cooperates with said channels (22) to help control said flow of fluid, there is a gap between any portion of said piston anterior to said sealing surface (12) and the internal surface of said hammer drum.

ARP050103976A 2004-09-22 2005-09-21 PISTON DESIGN FOR BACKGROUND HAMMER AR051573A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2004905433A AU2004905433A0 (en) 2004-09-22 Piston design for down hole hammer

Publications (1)

Publication Number Publication Date
AR051573A1 true AR051573A1 (en) 2007-01-24

Family

ID=36089776

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP050103976A AR051573A1 (en) 2004-09-22 2005-09-21 PISTON DESIGN FOR BACKGROUND HAMMER

Country Status (2)

Country Link
AR (1) AR051573A1 (en)
WO (1) WO2006032093A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8109348B2 (en) 2006-10-20 2012-02-07 Drillroc Pneumatic Pty Ltd Down-the-hole hammer drill
US9068399B2 (en) 2006-10-20 2015-06-30 Drillroc Pneumatic Pty Ltd Down-the-hole hammer drill

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0640170B1 (en) * 1992-05-15 1999-08-18 Sds Pty. Ltd. Improved drilling arrangement
US6131672A (en) * 2000-02-14 2000-10-17 Sandvik Ab Percussive down-the-hole rock drilling hammer and piston therefor
KR200294253Y1 (en) * 2002-07-10 2002-11-04 임병덕 hammer bit hitting apparatus for digging
NZ516798A (en) * 2002-07-24 2004-07-30 Bantry Ltd Sonic drilling
JP4200918B2 (en) * 2004-02-09 2008-12-24 日立工機株式会社 Drilling machine

Also Published As

Publication number Publication date
WO2006032093A1 (en) 2006-03-30

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Legal Events

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