EP0425802B1 - Dispositif de forage avec outil de frappe et de rotation - Google Patents

Dispositif de forage avec outil de frappe et de rotation Download PDF

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Publication number
EP0425802B1
EP0425802B1 EP90117700A EP90117700A EP0425802B1 EP 0425802 B1 EP0425802 B1 EP 0425802B1 EP 90117700 A EP90117700 A EP 90117700A EP 90117700 A EP90117700 A EP 90117700A EP 0425802 B1 EP0425802 B1 EP 0425802B1
Authority
EP
European Patent Office
Prior art keywords
drilling
impact
drilling device
shank
ram
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
EP90117700A
Other languages
German (de)
English (en)
Other versions
EP0425802A1 (fr
Inventor
Manfred Haage
Werner Heinzelmann
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.)
Fischerwerke Artur Fischer GmbH and Co KG
Original Assignee
Fischerwerke Artur Fischer GmbH and Co KG
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 Fischerwerke Artur Fischer GmbH and Co KG filed Critical Fischerwerke Artur Fischer GmbH and Co KG
Priority to AT90117700T priority Critical patent/ATE93173T1/de
Publication of EP0425802A1 publication Critical patent/EP0425802A1/fr
Application granted granted Critical
Publication of EP0425802B1 publication Critical patent/EP0425802B1/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02—Rod or cable suspensions
    • E21B19/06—Elevators, i.e. rod- or tube-gripping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/005—Attachments or adapters placed between tool 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits

Definitions

  • the invention relates to a drilling device with an impact turning tool according to the preamble of the main claim.
  • Drilling devices are known in which, in particular for creating boreholes in gas concrete, a punch is used instead of a drill. This is hammered into the gas concrete and thereby creates an exactly defined borehole, while the gas concrete is compacted in the area of the borehole.
  • a disadvantage of these known devices is that the striking pin is jammed in the borehole and can therefore only be removed from it with difficulty or not at all.
  • expansion anchors with a relatively small expansion dimension cannot be used in gas concrete, since the borehole is widened by slight deviations from the drilling axis when the borehole is being created, as a result of which the holding value of the anchor to be used is impaired.
  • the invention has for its object to provide a drilling device for creating geometrically precisely defined boreholes in gas concrete, which also allows easy removal of the drilling device from the borehole after the completion of the drilling process.
  • a drilling device of the type mentioned by the features specified in the characterizing part of the main claim The consisting of a drilling punch, a driving bush connected to it and a tappet inserted into it makes it possible for the tappet with its drill receptacle of an impact drill to be released from the driving bush when the impact drill is switched on and for the punch to be generated by the impact energy generated by the impact drill drives into the gas concrete.
  • the friction between the drilling punch and the gas concrete prevents the drilling punch from rotating, so that only the plunger which is supported with play in the driving bush rotates during the drilling process.
  • the gas concrete When the required drill hole depth is reached, the gas concrete is compacted and displaced in the area of the drill punch inserted into it. A jamming of the drilling punch in the compressed gas concrete when removing the drilling punch is prevented by the fact that when the drilling punch is returned from the borehole, the plunger gets stuck in the conically shaped driving bush and thus the rotary movement of the push rod on the driving bush Drill punch mandrel itself is transmitted. The drilling punch can therefore be removed from the borehole without the need for additional force.
  • a particularly advantageous development of the invention provides that the drilling punch has a notch on its end facing away from the ram. Because of that formed drill tip of the drilling device according to the invention an additional rotation of the drill striker is achieved when driven into the gas concrete.
  • the flank of the cylindrical section provided on the drilling punch which has a widened diameter, corresponds to the diameter of the dowel diameter to be later inserted into the borehole in this area. This enables a borehole that is precisely defined in this area and matched to the dowel to be used.
  • the conical shape of the front area of the drilling punch which has a diameter of approx.0.9 x nominal plug diameter on the face of the drilling punch, facilitates the later removal of the drilling punch from the drill hole, as this reduces friction with the Borehole wall is achieved.
  • the drill striker has a reduced diameter between the cylindrical section and its end facing the plunger in order to prevent the drill striker from jamming in the region of the attachment during the push-through assembly.
  • the drilling device shown in FIG. 1 shows the drilling punch 1, which is connected to a driving bush 2.
  • the plunger 3 which is supported with play, lies, on the end face of which a drill receptacle 3a is arranged.
  • a cylindrical section 1 a is provided in the central area of the drilling punch 1.
  • the drilling punch 1 On its end face facing the driving bush 2, the drilling punch 1 has a circumferential shoulder 1b on.
  • the drill striker 1 tapers conically between its cylindrical section 1a and its end face opposite the plunger 3. In the area between its shoulder 1b and the cylindrical section 1a, the drilling punch 1 has an area 1d with a reduced diameter.
  • the drill punch 1 is inserted through an attachment 4 into a masonry consisting of gas concrete 5.
  • the drilling device according to the invention with the drill receptacle 3a of the plunger 3 is inserted into a percussion drill, which cannot be seen from the drawing.
  • the plunger 3 releases from the driving bush 2 and drives the drilling impact mandrel 1 through an attachment 4 into the gas concrete 5 by the impact energy.
  • the friction between the drilling punch 1 and the gas concrete 5 prevents the drilling punch 1 from rotating in the borehole. Only the plunger 3 rotates during the drilling process.
  • the drilling hammer 1 compacted and displaced the gas concrete 5.
  • the impact drill is pulled back.
  • the plunger 3 is fixed in the conically shaped inner bore 2a of the driving bush 2.
  • the driver bush 2 thus transmits the rotary movement of the plunger 3 to the drilling punch 1, since this is connected to the driver bush 2 via paragraph 1b.
  • the drill punch 1 is removed from the borehole.
  • a jamming of the drilling punch 1 during the return in the attachment 4 is prevented due to the reduced diameter 1d and in the gas concrete 5 by the conical design of the drilling punch 1.
  • FIG. 1 A further embodiment of the drilling punch 1 can be seen from FIG.
  • a notch 1e is provided on the end face 1c, by means of which an additional rotation lock is provided on the end face 1c during the drilling process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Drilling And Boring (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (8)

  1. Dispositif de perçage comportant un outil à rotation et percussion pour réaliser des trous dans une maçonnerie en béton-gaz, l'outil à rotation et percussion pouvant être serré dans une perceuse à percussion, caractérisé en ce que l'outil à rotation et percussion se compose d'un mandrin de perçage à percussion (1), d'une douille d'entraînement (2) reliée à ce mandrin, ainsi que d'un poussoir (3) disposé dans la douille d'entraînement (2) et sur lequel est agencée une queue de foret (3a).
  2. Dispositif de perçage selon la revendication 1, caractérisé en ce que le poussoir (3) est élargi coniquement dans sa partie dirigée vers le mandrin de perçage à percussion (1).
  3. Dispositif de perçage selon la revendication 1, caractérisé en ce que la douille d'entraînement (2) présente un passage intérieur (2a) qui s'élargit coniquement en direction du mandrin de perçage (1).
  4. Dispositif de perçage selon la revendication 3, caractérisé en ce qu'un épaulement (1b) faisant tout le tour est formé dans la partie du mandrin de perçage (1) dirigée vers la douille d'entraînement (2), épaulement qui est relié à la face d'extrémité, dirigée vers lui, de la douille d'entraînement (2).
  5. Dispositif de perçage selon une des revendications précédentes, caractérisé en ce que le mandrin de perçage (1) présente une surface circulaire à sa face d'extrémité (1c) éloignée du poussoir (3).
  6. Dispositif de perçage selon la revendication 1, caractérisé en ce que le mandrin de perçage (1) présente une entaille (1e) dans sa face d'extrémité éloignée du poussoir (3).
  7. Dispositif de perçage selon une des revendications précédentes, caractérisé en ce que la partie centrale du mandrin de perçage (1) possède un segment cylindrique (1a) de plus grand diamètre.
  8. Dispositif de perçage selon la revendication 7, caractérisé en ce que le mandrin de perçage (1) possède une forme conique qui s'élargit depuis sa face d'extrémité (1c) éloignée du poussoir (3) jusqu'à son segment central (1a) et se prolonge, derrière ce segment cylindrique (1a), avec un diamètre réduit jusqu'à son côté d'extrémité dirigée vers le poussoir (3).
EP90117700A 1989-10-28 1990-09-14 Dispositif de forage avec outil de frappe et de rotation Expired - Lifetime EP0425802B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90117700T ATE93173T1 (de) 1989-10-28 1990-09-14 Bohrvorrichtung mit einem schlagdrehwerkzeug.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3935985 1989-10-28
DE3935985A DE3935985A1 (de) 1989-10-28 1989-10-28 Bohrvorrichtung mit einem schlagdrehwerkzeug

Publications (2)

Publication Number Publication Date
EP0425802A1 EP0425802A1 (fr) 1991-05-08
EP0425802B1 true EP0425802B1 (fr) 1993-08-18

Family

ID=6392452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90117700A Expired - Lifetime EP0425802B1 (fr) 1989-10-28 1990-09-14 Dispositif de forage avec outil de frappe et de rotation

Country Status (9)

Country Link
US (1) US5076374A (fr)
EP (1) EP0425802B1 (fr)
JP (1) JPH0716940B2 (fr)
AT (1) ATE93173T1 (fr)
BR (1) BR9005395A (fr)
DE (2) DE3935985A1 (fr)
DK (1) DK0425802T3 (fr)
ES (1) ES2045705T3 (fr)
RU (1) RU2032539C1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408159C2 (de) * 1993-04-08 1996-09-26 Horst Kunkel Verfahren zum Einbringen eines Dübels in Porenbeton
CN109079038A (zh) * 2018-09-04 2018-12-25 沈阳飞机工业（集团）有限公司 一种样板钻套冲子

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR793514A (fr) * 1935-08-06 1936-01-27 Montabert Ets Perfectionnements aux systèmes d'extraction des aiguilles ou sondes d'appareils perforateurs
US2691512A (en) * 1949-07-25 1954-10-12 Arizio Antonio Wedge-shaped tool for splitting rocks and the like
US2534809A (en) * 1949-08-23 1950-12-19 Fractionation of tall oil
DE1976897U (de) * 1967-02-07 1968-01-11 Fritz Maechtle Werkzeugkupplung.
NL6919231A (fr) * 1968-12-23 1970-06-25
DE2240061A1 (de) * 1972-08-16 1974-02-28 Heinrich B Schaefers Duebel und vorrichtung zur befestigung desselben
DE7921717U1 (de) * 1979-07-30 1979-10-25 Schliephacke, Heinrich, Dipl.-Ing., 4030 Ratingen Vorsatzgeraet fuer elektrisch betriebene handbohrmaschine
US4474410A (en) * 1981-03-31 1984-10-02 Kabushiki Kaisha Komatsu Seisakusho Power-driven, wedge-operated rock splitter
JPS5866912U (ja) * 1981-10-30 1983-05-07 三幸商事株式会社 アメカ−ボルト施工工具
GB2146562A (en) * 1983-09-13 1985-04-24 Brian Ronald Tompkins Tool driving device
EP0306539A1 (fr) * 1987-03-02 1989-03-15 Spetsializirovanny Trest Po Remontu Promyshlennykh Zdany I Soorzheny Pred. Chernoi Met. Tsentral. Raiona Tsentrmetallurgremont Dispositif pour la destruction des objets monolithes

Also Published As

Publication number Publication date
ATE93173T1 (de) 1993-09-15
JPH0716940B2 (ja) 1995-03-01
DE59002384D1 (de) 1993-09-23
EP0425802A1 (fr) 1991-05-08
US5076374A (en) 1991-12-31
JPH03153310A (ja) 1991-07-01
DK0425802T3 (da) 1993-10-11
RU2032539C1 (ru) 1995-04-10
DE3935985A1 (de) 1991-05-02
ES2045705T3 (es) 1994-01-16
BR9005395A (pt) 1991-09-17

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