EP0979920A2 - Appareil de forage avec système d'impact double - Google Patents

Appareil de forage avec système d'impact double Download PDF

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Publication number
EP0979920A2
EP0979920A2 EP98121952A EP98121952A EP0979920A2 EP 0979920 A2 EP0979920 A2 EP 0979920A2 EP 98121952 A EP98121952 A EP 98121952A EP 98121952 A EP98121952 A EP 98121952A EP 0979920 A2 EP0979920 A2 EP 0979920A2
Authority
EP
European Patent Office
Prior art keywords
drilling device
compensating ring
insertion end
ring
sleeve
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.)
Granted
Application number
EP98121952A
Other languages
German (de)
English (en)
Other versions
EP0979920A3 (fr
EP0979920B1 (fr
Inventor
Dieter Güde
Josef Maus
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.)
Deilmann Haniel Mining Systems GmbH
Original Assignee
Deilmann Haniel Maschinen und Stahlbau GmbH
Deilmann Haniel Mining Systems GmbH
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
Application filed by Deilmann Haniel Maschinen und Stahlbau GmbH, Deilmann Haniel Mining Systems GmbH filed Critical Deilmann Haniel Maschinen und Stahlbau GmbH
Publication of EP0979920A2 publication Critical patent/EP0979920A2/fr
Publication of EP0979920A3 publication Critical patent/EP0979920A3/fr
Application granted granted Critical
Publication of EP0979920B1 publication Critical patent/EP0979920B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
    • 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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
    • E21B6/04—Separate drives for percussion and rotation
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/002—Drilling with diversely driven shafts extending into the borehole
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Definitions

  • the invention relates to a drilling device with outer tubes screwed together and screwed together inner tubes, which via a slewing gear or a Rotary striking mechanism can be driven, the outer tube being connected to the rotating mechanism on both sides Outstanding plug-in end can be coupled and via an assigned to the inner tube and designed to be acted upon by this striking member which is arranged to be displaceable in the longitudinal direction is.
  • Such drilling devices are used in special civil engineering, in stone and Earth and used in the construction industry. They are used in more or less tough Mountains drill holes in which an anchor is then inserted and fixed is, for example, in this way the mountains or the building ground to solidify.
  • These drilling jigs come with an outer tubing string and a Inner tube string used, the individual outer tubes and inner tubes each with Thread equipped and therefore must be screwed together. While through the hollow inner tube of flushing liquid from a flushing head to the drill bits is carried out, the drilling fluid enriched with cuttings is then over the space raised between the outer tube and inner tube again to day.
  • the inner tube is usually acted on by a rotary impact mechanism, while the outer tube is only driven by a slewing gear.
  • the invention is therefore based on the object of designing a drilling device in such a way that that the outer tube with the same device can rotate or can be impacted and operated.
  • the object is achieved according to the invention in that the insertion end A compensating ring is assigned on the rotary impact mechanism side, one under that of the pipe material or the hardness lying hardness and / or the adjacent end piece adapted to the insertion end and occurring forces compensating shape and / or Surface.
  • the striking part means the ring wreath that is used in the DE-PS 35 03 893 applied to the end of the insertion end.
  • the present solution is now between the two striking parts, d. H. the tail of the Inserting, and the striking part set a compensation ring, both with respect to the rotating striking part as well as the striking striking part ensures a balance, so that neither the striking part nor the insertion end is overloaded or damaged prematurely can be.
  • the compensation ring itself and its skillful training and the choice of material is not only achieved, if at all, by the compensating ring wears out, but such wear does not usually occur because the compensation ring for a uniform transmission of the occurring forces, d. H. Beats, worry. This is because of the special shape, i. H.
  • the Compensating ring on one side a spatially curved, with the adjacent end piece of the Has a corresponding surface. Centering is thus carried out the compensation ring on the one hand and the insertion end on the other hand, without it precise guidance of these two parts is required. At the same time, such a compensation ring ensures and an appropriately designed insertion end so that they may also Forces not exactly centric but exactly centric on or in the Outer tube to be forwarded. This is the mentioned backup of the compensation designed compensation ring ensured.
  • the compensating ring is particularly expedient a spatially curved on both sides, with the adjacent end piece of the insertion end has corresponding surface, it being understood that the insertion end on the one hand and the striking part on the other hand also a correspondingly curved surface have, which are correspondingly reversed.
  • the balance ring lies preferably with its curved surface or rather with its curved surfaces on the one hand in the correspondingly troughed insertion end or in the trough part executed with a trough.
  • the compensation ring should be assigned to the insertion end, which is the advantage has that when pulling back the striking mechanism with the striking part as a loose component trained compensation ring can remain at the insertion end.
  • To slip here Canting or similar To prevent the invention provides that the insertion end enclosing the compensating ring from a housing carrying the slewing gear motors is trained.
  • the housing with appropriate is particularly expedient and simple Provide projections that fix the correspondingly large compensating ring, while the striking part has a correspondingly smaller diameter and therefore can be inserted into the housing so that it is in rotary operation rests on the compensation ring or the corresponding surface.
  • the compensation ring has a central bore lying above the diameter of the inner tube.
  • This center hole can even be suitably provided with slopes, so one Avoid damage in this area by hitting the striking part.
  • the edge is preferably also in the area of the striking part striking beveled, while on the opposite side of the center hole appropriate slope may be missing.
  • the striking part is in principle part of the inner tube, is accordingly influenced by the rotary impact mechanism and can impact energy on the Pass on the outer linkage.
  • the striking part is designed as a striking sleeve is, which is detachably connected to the insertion end of the rotary impact mechanism.
  • This The inserting end has corresponding threads, so that the interposed impact sleeve can be replaced if necessary, so that the rotary impact mechanism and the slewing gear are closer together, if only the outer tube is rotated.
  • Fast conversions are possible in this way, in particular, however, the impact sleeve can also be replaced once if necessary, can be replaced by a larger or smaller one, or simply replaced.
  • the compensating ring is acted upon by the impact sleeve, the corresponding Forces can be optimally transmitted if, according to the invention Compensating ring one corresponding to the head of the impact sleeve or the insertion end, preferably has a larger outer diameter.
  • Compensating ring one corresponding to the head of the impact sleeve or the insertion end preferably has a larger outer diameter.
  • the bigger one Diameter is advantageous if the compensation ring in the housing by means of trained lugs or projections should also be fixed; otherwise one would the same size compensating ring is sufficient.
  • the invention provides that the impact sleeve together with the rotary hammer mechanism in the longitudinal direction regardless of the rotary mechanism of the outer tube is slidable.
  • the rotary hammer mechanism with the Impact sleeve is thus pulled off the outer tube, so that it then only rotates is acted upon, while the inner tube continues to act rotationally to ensure the necessary drilling progress. Because the outer tube but only has to cut a relatively limited thick coat is enough for softer ones Mountains a rotating load, so that ultimately to protect the boom then the striker sleeve is removed from the compensating ring and the insertion end can.
  • Injuries to the drilling team can be avoided by using the striking sleeve shaped like a dog bone and equipped with a funnel-shaped protective jacket is fixed to the end facing away from the compensating ring and the housing is formed with covering in the area of the compensating ring at a distance.
  • a Protective jacket expediently consists of flexible material, for example Hard rubber or plastic. It covers the striking area, i.e. H. the area where the Impact sleeve hits the compensating ring. Is the impact sleeve from the compensating ring deducted, a correspondingly "shorter" design of the protective jacket is sufficient so that this expediently fixed on the inner tube or more precisely on the impact sleeve and moves with it.
  • the impact sleeve is on the compensating ring and in this way influences the outer linkage or the insertion end, so the protective jacket is close to the corresponding projection of the housing, so that even with careless handling, the drilling team cannot endanger themselves or is not at risk. If necessary, for example also with a corresponding check the impact sleeve, this protective jacket can be removed because it is expedient only attached to the dog-bone shaped sleeve via a kind of press ring is.
  • the balance ring both with regard to the overall shape and also with regard to the material, it is designed such that it can "act" as a compensation ring.
  • the material is adjusted so that it is the one hand Blows the impact sleeve securely on the insertion end and thus also the outer tube transmits, but on the other hand protects this plug-in end in such a way that it is affected by the blows cannot be damaged.
  • Both the shape and the material continue to provide to ensure that strokes that do not hit the center are evened out so far, that there can be no damage to the corresponding components, whereby the rotating impact sleeve is almost centered by the compensating ring.
  • this compensating ring can be bent or curved outwards as well as after Inside, only the surfaces of the compensating ring and the insert ring or the Impact sleeve have correspondingly corresponding shapes.
  • the Invention then before that the compensating ring from one of the material of the insertion end and the impact sleeve in terms of hardness as well as thermal conductivity and Material of similar values is made, the toughness is preferred what is higher is that the task assigned to them is surely fulfilled.
  • a material that is particularly suitable for use is bronze, whereby it is is preferably forged bronze.
  • This forged bronze makes one Compensation ring with optimal properties. Both in terms of hardness and toughness as well as other properties, it can be the one between the impact sleeve and the insertion end absorb occurring forces without causing damage to it.
  • the invention is particularly characterized in that a drilling device is created, which expediently both an operation with rotating outer linkage such as a rotating striking outer linkage. This ensures Rotary impact mechanism of the inner rod or inner tube, as already known, for that the outer tube is also commissioned at the same time.
  • a compensation ring is set, which is in every respect for balances and at the same time ensures that those coming from the rotary impact mechanism Impacts can be safely transmitted to the outer tube if necessary.
  • the balance ring further ensures that both with regard to the heat as well as the incident Energy overloads of the insertion end, in particular also of the impact sleeve cannot occur. Forced centering and safe transfer the forces are secured by the special shape of the balancing ring. Seen overall, this creates a drilling device that has a long service life can be achieved and advantageously such continuous operation allows if with the help of such a drilling device holes through very hard rock should be driven, because the outer tube now also strikes in the long run can be applied and operated.
  • FIG. 1 shows a side view of a drilling device 1 for double rods.
  • the Outer tube is labeled 2
  • the inner tube which is smaller in diameter, is labeled 3.
  • the rotating mechanism 4 here on the slewing motors ensure that details are not shown 6 of the rotary impact mechanism 7 together with the impact device for ensuring that the inner tube 3 is applied in a rotational manner.
  • Fig. 1 actually shows the end of the outer tube 2 forming insertion end 5, the is equipped at the end with a double thread 14.
  • the slewing gear 4 and the rotary striking mechanism 7 can be together on one here only indicated slides are moved in the longitudinal direction so as to ensure that the entire drill string is driven into the mountains or into the construction site.
  • the sledge is divided into two. The parts are connected via a hydraulic cylinder, to pull the punch mechanism away from the slewing gear.
  • the outer tube 2 or the insertion end 5 is not only rotating at the same time Be applied via the slewing gear 4, but also what, for example is required if the double rod is drilled into the mountain or rock becomes.
  • the striking part 8 can be activated to the outer tube 2 not only via the rotating mechanism 4, but also to influence the striking part 8 and thus striking, it will Impact part 8 pushed towards the housing 9 over the hydraulic cylinder and so far pushed until it hits the compensation ring 10 only indicated here. Then is also impact energy on the inner rod or better the inner tube 3 at the same time transferred to the outer tube 2. Further details will be explained with reference to FIG. 2.
  • Fig. 2 shows again the flushing head 13, which sits on the inner tube 3, and the striking part 8, which is designed here as a striking sleeve 15.
  • This striker sleeve 15 acts via the compensating ring 10 on the end piece 11 of the insertion end 5 and thus on the outer tube 2.
  • the inner tube 3 has a thread, not shown here screwed to the striker sleeve 15.
  • the head 17 of the striker sleeve 15 acts directly onto the compensating ring 10, the rotating movement of the impact sleeve 15 does not affect the compensation ring 10, especially since Lubrication holes 12 pressed into the area of the compensating ring 10 grease can be.
  • the inner channel 20 can be seen, through which the detergent does not flow in the direction here shown drill bit is promoted.
  • the head 17 of the striker sleeve 15 and the end portion of the housing 19 with the appropriately mounted compensation ring 10 are covered by a protective jacket 18 and secured, the end 19 of the impact sleeve facing away from the compensating ring 10 15 is set, so that it back and forth together with the striker sleeve 15 pushes, but always ensures that especially when the field operation is activated the area of the compensating ring 10 is covered.
  • FIG. 3 shows a compensating ring 10 in section, the surfaces 21, 22 run straight here on both sides of the compensating ring 10. According to the explanations in the description these surfaces 21, 22 are preferably spatially curved trained to include a self-centering of the striker sleeve 15 when Impact operation and a large surface (contact surface) to achieve.
  • the central bore 23 is larger than the outer diameter of the inner tube 3, which is also clear from FIG. 2, so that an insertion of the inner tube is facilitated is, but at the same time an influence on the compensating ring 10 by the inner tube or vice versa is excluded.
  • the outer edges 24, 25 are rounded, as shown in FIG. 3, and also the inner edges 26 can have corresponding roundings or bevels.
  • the compensation ring 10 consists of appropriately matched tough material, the surfaces 21, 22 can also be smoothed to the extent that additionally with or, if necessary, even without lubricant, always smooth operation rotating impact sleeve 15 is possible. It is conceivable that the correspondingly facing surface of the striker sleeve 15 is smoothed, and also the corresponding one Surface of the insertion end 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
EP98121952A 1998-08-12 1998-11-19 Appareil de forage avec système d'impact double Expired - Lifetime EP0979920B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19836389A DE19836389C1 (de) 1998-08-12 1998-08-12 Bohrvorrichtung mit Doppelschlagsystem
DE19836389 1998-08-12

Publications (3)

Publication Number Publication Date
EP0979920A2 true EP0979920A2 (fr) 2000-02-16
EP0979920A3 EP0979920A3 (fr) 2003-12-10
EP0979920B1 EP0979920B1 (fr) 2005-03-02

Family

ID=7877208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121952A Expired - Lifetime EP0979920B1 (fr) 1998-08-12 1998-11-19 Appareil de forage avec système d'impact double

Country Status (5)

Country Link
US (1) US6202763B1 (fr)
EP (1) EP0979920B1 (fr)
AT (1) ATE290155T1 (fr)
CA (1) CA2268400A1 (fr)
DE (2) DE19836389C1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7465967B2 (en) * 2005-03-15 2008-12-16 Cree, Inc. Group III nitride field effect transistors (FETS) capable of withstanding high temperature reverse bias test conditions
US8596916B2 (en) 2006-06-15 2013-12-03 Joseph M Rohde Apparatus for installing conduit underground
US7976243B2 (en) 2006-06-15 2011-07-12 Green Core Technologies, Llc Methods and apparatus for installing conduit underground
DE102006059633B4 (de) * 2006-12-14 2016-12-01 Robert Bosch Gmbh Schlagbohrmaschine
DE102006061625A1 (de) * 2006-12-27 2008-07-03 Robert Bosch Gmbh Elektrohandwerkzeugmaschine
US8708054B2 (en) * 2009-12-09 2014-04-29 Schlumberger Technology Corporation Dual path subsea control system
US9555532B2 (en) 2013-07-01 2017-01-31 Ingersoll-Rand Company Rotary impact tool

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3503893C1 (de) 1985-02-06 1985-10-24 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Bohrvorrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT281729B (de) * 1968-02-28 1970-05-25 Boehler & Co Ag Geb Vorrichtung zum Überlagerungs-, Ankerloch- und/oder Unterwasserbohren
US3629927A (en) * 1970-03-30 1971-12-28 Byron Jackson Inc Mouse hole chuck
CH559088A5 (fr) 1971-12-23 1975-02-28 Sig Schweiz Industrieges
CH638587A5 (de) 1979-02-12 1983-09-30 Uster Spindel Motoren Maschf Schlagbohrhammer.
RU1778289C (ru) 1988-05-04 1992-11-30 Карагандинский политехнический институт Гидравлическа бурильна машина
FR2647870B1 (fr) 1989-06-06 1991-09-06 Eimco Secoma Appareil de percussion hydraulique avec dispositif d'amortissement des ondes de choc en retour
JPH06108770A (ja) 1992-08-31 1994-04-19 Sig (Schweiz Ind Ges) ロックドリル用ドリル装置
DE4419499A1 (de) 1994-06-03 1995-12-07 Interoc Vertriebsgesellschaft Hydraulisches Schlaggerät mit stufenlos regelbarer Schlagzahl und Schlagenergie

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3503893C1 (de) 1985-02-06 1985-10-24 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Bohrvorrichtung

Also Published As

Publication number Publication date
CA2268400A1 (fr) 2000-02-12
ATE290155T1 (de) 2005-03-15
DE59812616D1 (de) 2005-04-07
EP0979920A3 (fr) 2003-12-10
US6202763B1 (en) 2001-03-20
DE19836389C1 (de) 2000-04-13
EP0979920B1 (fr) 2005-03-02

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