EP0377153B1 - Mouton de forage - Google Patents

Mouton de forage Download PDF

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Publication number
EP0377153B1
EP0377153B1 EP89123180A EP89123180A EP0377153B1 EP 0377153 B1 EP0377153 B1 EP 0377153B1 EP 89123180 A EP89123180 A EP 89123180A EP 89123180 A EP89123180 A EP 89123180A EP 0377153 B1 EP0377153 B1 EP 0377153B1
Authority
EP
European Patent Office
Prior art keywords
boring machine
transmitter
machine according
percussion boring
end bore
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
EP89123180A
Other languages
German (de)
English (en)
Other versions
EP0377153A2 (fr
EP0377153A3 (fr
Inventor
Robert Dipl.-Ing. Schmelzer
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.)
Schmidt Paul Dipl-Ing
Original Assignee
Schmidt Paul Dipl-Ing
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 Schmidt Paul Dipl-Ing filed Critical Schmidt Paul Dipl-Ing
Publication of EP0377153A2 publication Critical patent/EP0377153A2/fr
Publication of EP0377153A3 publication Critical patent/EP0377153A3/fr
Application granted granted Critical
Publication of EP0377153B1 publication Critical patent/EP0377153B1/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/26—Drilling without earth removal, e.g. with self-propelled burrowing devices
    • E21B7/267—Drilling devices with senders, e.g. radio-transmitters for position of drilling tool
    • 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
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor
    • 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
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • E21B47/0228—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor
    • E21B47/0232—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor at least one of the energy sources or one of the detectors being located on or above the ground surface
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency

Definitions

  • the invention relates to a ram boring machine with a tubular housing, a striking tip and a transmitter for directional control, the waves of which can be received on the surface of the earth.
  • Self-driven ram boring machines serve primarily to lay supply lines, such as water pipes or cables under roads, dams or buildings and obstacles, without tearing up the road surface or the earth's surface at the same time must become. This is done in such a way that the ram boring machine moving forward in the soil displaces the soil to the side and leaves a channel into which the supply line is drawn in simultaneously or later.
  • the possibly moving striking tip or a chisel arranged on the device tip serves to shatter stones or other obstacles during the forward movement of the ram boring machine and to push them aside together with the soil, ie to clear the way for the advancing housing.
  • a ram boring machine with a targeted running direction is known from German Offenlegungsschrift 2 242 605 and has at its rear end a tubular, curved extension which is provided with curved guide surfaces in order in this way to achieve a curvature of the path and an arcuate course of the earth drilling.
  • Making such curved earth bores is necessary, for example, when there is no way to dig start and target pits in narrow streets with narrow sidewalks, which must be at least so deep that the ram boring machine can be placed horizontally in the starting pit and all underneath the lines lying below the road surface.
  • the rigid baffles therefore serve to enable an arcuate course of the earth borehole that is intended before the device is attached; the direction cannot be influenced during operation and, in particular, changes in direction cannot be determined.
  • US Pat. No. 3,746,106 discloses a drill bit for horizontal drilling under the surface of the earth, which has a transmitter shortly behind the rotatingly driven bit, the waves of which are received on the surface of the earth.
  • the invention is therefore based on the object of providing a ram boring machine with which the abovementioned disadvantages can be avoided and the directional stability can be improved in a simple manner.
  • this object is achieved in that the transmitter is arranged in an installation position, which is closed by a cover and is accessible from the front, in an end bore of the percussion tip of the ram boring machine.
  • a transmitter which is thus preferably arranged in the chisel tip or in the chisel in the case of an axially movable chisel, it has surprisingly been found that changes in direction of travel can be determined directly at the location of the action, namely at the tip or chisel, ie immediately where the deflection of the device from its desired direction of travel occurs first.
  • transmitters arranged in the device housing at most permit a subsequent correction of the running direction, if there are already considerable deviations in direction has come, the larger the closer the transmitter is to the rear end of the housing.
  • both depth and side location are possible; in addition, the inclination of the device and - in particular in the case of devices with a rotatable striking tip - the rotational or angular position of the striking tip, possibly also a part of the striking tip, can be determined with respect to the longitudinal axis of the device housing.
  • the arrangement of the transmitter as far as possible in the front advantageously allows a voltage source to be arranged in the axial end bore arranged in the striking tip or the chisel.
  • a transmitter and the batteries required for its power supply can thus be accommodated in a chamber which can be produced simply by drilling.
  • the cover In order to make the chamber accessible, for example to replace the batteries or to replace the transmitter, only the cover needs to be removed; because of its higher wear resistance, it should consist of hardened material, just like the chisel or the impact tip.
  • the batteries can be gently accommodated in a battery housing that can be inserted into the front hole. It is recommended that the transmitter engages with a pin in the battery housing and preferably the battery housing and the transmitter are clamped between a blind end of the end bore and a spring supported on the cover.
  • the springs on the one hand also provide sufficient electrical contact between the batteries and the transmitter and, on the other hand, a resilient, vibration-absorbing and compensating mounting of the transmitter unit in the end bore.
  • the wall of the end bore is provided with slots that are open to the outside, the exit of the waves emitted by the transmitter and thus the reception of these waves above the ground is favored. Since the transmitter is arranged in the projecting tip or the projecting chisel end, the waves can consequently be immediate enter the ground outside, ie they do not have to penetrate a possibly large part of the housing cross-section.
  • the cover can engage with a shaft journal in the end bore and be secured by means of dowel pins which are inserted through radial bores in the chisel wall and the shaft journal. For assembly, all that is required is to pull the dowel pins out of the holes, then the front hole is exposed and the transmitter and battery housing or batteries are thus freely accessible to an operator.
  • the impact tip can have slots which are preferably closed with an abrasion-resistant mass which is permeable to electromagnetic waves, for example a preferably cold-curing plastic / metal or ceramic powder mixture.
  • the impact tip can also consist at least partially of a magnetic steel and then optionally have a sufficiently wear-resistant armor, for example an outer layer of wear-resistant material, which does not or only slightly impairs the shaft passage.
  • the ram boring machine 1 has an overall tubular housing 2 and is connected to a pressure medium hose 3 connected at the rear end to a pressure medium source, not shown, such as in particular a compressor.
  • a pressure medium source such as in particular a compressor.
  • striking tip 5 is mounted axially displaceably.
  • the striking tip 5 is pushed forward with the chisel 4 under the action of a striking piston, not shown, which is guided axially in the housing 2 and works its way forward in the soil 6.
  • the chisel 4 smashes stones or other obstacles and displaces the soil 6; Only then is the housing 2 drawn in the direction of advance 7 and in this way an earth hole 8 is made in the soil 6.
  • a transmitter unit 9 is arranged which cooperates with a receiver 10 above the ground 6.
  • the chisel 4 is provided with an end bore 16 and accommodates the transmitter unit 9, ie the battery housing 14 and the transmitter 11 locked therein; the battery housing 14 and the transmitter 11 are between a first compression spring 18 supported on the blind end 17 of the end bore 16 and a second compression spring 20 clamped on a cover 19 closing the end bore 16 after the transmitter unit 9 has been installed.
  • the secure installation position of the transmitter unit 9 in the end bore 16 of the chisel 4 is achieved by means of dowel pins 21 which are inserted through radial bores 22 of the chisel wall 23 and radial bores 24 of a shaft journal 25 of the cover 19 aligned therewith after the cover 19 has been placed on it.
  • the ram boring machine 1 has the transmitter 11 at its foremost end in the direction of advance 7, namely the chisel 4 protruding from the striking tip 5, directional deviations of the ram boring machine 1 are determined locally at an early stage, namely on the chisel 4, so that corrective or have the direction stabilizing measures initiated immediately after the occurrence of a distraction. So that the shafts 26 of the transmitter unit 9 can penetrate the soil 6 and then reach the surface as freely as possible (see FIG. 1), the wall 23 of the chisel has axial slots 27 in its wall position adjacent to the transmitter 11, through which the waves pass 26 step through unhindered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Claims (9)

  1. Engin de forage à percussion (1), comprenant un carter tubulaire (2), une pointe de percussion (5) et un émetteur (11) qui est destiné au contrôle de la direction d'avancement et dont les ondes peuvent être reçues à la surface du sol, caractérisé par le fait que l'émetteur (11) est disposé dans un perçage frontal (16) de la pointe de percussion (5) dans une position de montage qui est fermée par un couvercle (19) et qui est accessible depuis l'avant.
  2. Engin de forage à percussion selon la revendication 1, caractérisé par le fait que la pointe de percussion (5) est disposée en étant mobile axialement.
  3. Engin de forage à percussion selon la revendication 1 ou 2, caractérisé par une source de tension (12) qui est destinée à l'émetteur (11) et qui est disposée dans le perçage frontal (16).
  4. Engin de forage à percussion selon la revendication 3, caractérisé par un boîtier (14) qui est destiné aux piles et qui est disposé dans le perçage frontal (16).
  5. Engin de forage à percussion selon une ou plusieurs des revendications 1 à 4, caractérisé par le fait que l'émetteur (11) pénètre par un tenon (15) dans le boîtier (14) qui est destiné aux piles.
  6. Engin de forage à percussion selon une ou plusieurs des revendications 1 à 5, caractérisé par le fait que le boîtier (14) destiné aux piles et l'émetteur (11) sont serrés entre un ressort (18) qui s'appuie sur l'extrémité borgne (17) du perçage frontal (16) et un ressort (20) qui s'appuie sur le couvercle (19).
  7. Engin de forage à percussion selon une ou plusieurs des revendications 1 à 6, caractérisé par le fait que la paroi (23) du perçage frontal (16) est pourvue de fentes (27) qui sont ouvertes vers l'extérieur.
  8. Engin de forage à percussion selon une ou plusieurs des revendications 1 à 7, caractérisé par le fait que le couvercle (19) pénètre dans le perçage frontal (16) par un tenon (25), et qu'il est bloqué au moyen de tiges de serrage (21) qui sont enfoncées à travers des perçages radiaux (22 ; 24) de la paroi (23) du fleuret et du tenon (25).
  9. Engin de forage à percussion selon une ou plusieurs des revendications 1 à 8, caractérisé par le fait que les fentes (27) ménagées dans la pointe de percussion sont fermées au moyen d'une masse de poudre et de matière plastique qui résiste à l'usure.
EP89123180A 1989-01-04 1989-12-14 Mouton de forage Expired - Lifetime EP0377153B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3900122 1989-01-04
DE3900122A DE3900122C3 (de) 1989-01-04 1989-01-04 Rammbohrgerät

Publications (3)

Publication Number Publication Date
EP0377153A2 EP0377153A2 (fr) 1990-07-11
EP0377153A3 EP0377153A3 (fr) 1991-01-16
EP0377153B1 true EP0377153B1 (fr) 1994-12-14

Family

ID=6371575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89123180A Expired - Lifetime EP0377153B1 (fr) 1989-01-04 1989-12-14 Mouton de forage

Country Status (3)

Country Link
EP (1) EP0377153B1 (fr)
JP (1) JP2707518B2 (fr)
DE (1) DE3900122C3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943151A1 (de) * 1989-12-28 1991-07-11 Tracto Technik Vorrichtung zum ueberwachen der vortriebsrichtung von rohren
JP2935733B2 (ja) * 1990-10-03 1999-08-16 高千穂産業株式会社 掘進ヘッドの位置検出装置
DE4309387C2 (de) * 1993-03-23 1999-04-08 Terra Ag Tiefbautechnik Rammbohrgerät
DE102007007766A1 (de) * 2007-02-16 2008-08-21 Rayonex Schwingungstechnik Gmbh Bauteil eines Bohrwerkzeugs für das Horizontalbohren, das einen eigenständigen Abschnitt des Bohrwerkzeugs bildet

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529682A (en) * 1968-10-03 1970-09-22 Bell Telephone Labor Inc Location detection and guidance systems for burrowing device
DE2157259C3 (de) * 1971-11-18 1973-06-07 Tracto Technik Rammbohrgerät
US3746106A (en) * 1971-12-27 1973-07-17 Goldak Co Inc Boring bit locator
DE2242605C3 (de) * 1972-08-30 1984-06-07 Paul 5940 Lennestadt Schmidt Rammbohrgeräte
DE2558685A1 (de) * 1975-12-24 1977-07-07 Paul Schmidt Rammbohrgeraet
DE2847128A1 (de) * 1978-10-30 1980-05-14 Tracto Technik Messvorrichtung zum bestimmen der achslage eines im boden bewegten geraets
US4646277A (en) * 1985-04-12 1987-02-24 Gas Research Institute Control for guiding a boring tool
US4632191A (en) * 1985-04-05 1986-12-30 Gas Research Institute Steering system for percussion boring tools
US4881083A (en) * 1986-10-02 1989-11-14 Flowmole Corporation Homing technique for an in-ground boring device
DE8804347U1 (de) * 1987-04-02 1988-06-01 Holloway Equipment Sales Ltd., Gorseinon, West Glamorgan Ortungsvorrichtung für Bodenverschiebungshämmer
US4907658A (en) * 1988-09-29 1990-03-13 Gas Research Institute Percussive mole boring device with electronic transmitter

Also Published As

Publication number Publication date
EP0377153A2 (fr) 1990-07-11
DE3900122C2 (fr) 1990-11-08
JP2707518B2 (ja) 1998-01-28
EP0377153A3 (fr) 1991-01-16
DE3900122A1 (de) 1990-07-05
JPH02213585A (ja) 1990-08-24
DE3900122C3 (de) 1994-02-24

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