EP3763914B1 - Dispositif pour ménager un évidemment dans un sol - Google Patents

Dispositif pour ménager un évidemment dans un sol Download PDF

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Publication number
EP3763914B1
EP3763914B1 EP20194145.7A EP20194145A EP3763914B1 EP 3763914 B1 EP3763914 B1 EP 3763914B1 EP 20194145 A EP20194145 A EP 20194145A EP 3763914 B1 EP3763914 B1 EP 3763914B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
receiving space
opening
nozzles
provision
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.)
Active
Application number
EP20194145.7A
Other languages
German (de)
English (en)
Other versions
EP3763914A1 (fr
EP3763914C0 (fr
Inventor
Steffen Praetorius
Marc Peters
Tobias GERHARDT
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.)
Herrenknecht AG
Original Assignee
Herrenknecht AG
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 Herrenknecht AG filed Critical Herrenknecht AG
Publication of EP3763914A1 publication Critical patent/EP3763914A1/fr
Application granted granted Critical
Publication of EP3763914B1 publication Critical patent/EP3763914B1/fr
Publication of EP3763914C0 publication Critical patent/EP3763914C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
    • 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
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
    • 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 device for creating a cavity in a soil from a starting point to a target point along a drilling line for introducing expansion to keep the cavity open with a propulsion head at the outer end of which at least one cutting element for loosening the soil is provided, the propulsion head having a Receiving space, which has an opening to which a discharge line is connected, and in which at least one first nozzle for dispensing a liquid for removing the dissolved soil from the receiving space is provided, which is provided so that its delivery opening is essentially in the direction of Discharge line is aligned, the propulsion taking place via a feed device and at least one second nozzle being provided, which is arranged so that its delivery opening is directed essentially towards the soil to be loosened.
  • Such a device is out JPH01102289U and FR1338375A known. These show tunnel boring machines that have tools for loosening the soil and a receiving space connected to it. The loosening of the soil and the material conveyance of the loosened soil is supported by nozzles.
  • Such a device is also from the DE 4 217 293 C2 known.
  • stoneware pipes are inserted into the ground from a starting pit using a press frame.
  • a jacking head is arranged in front of the stoneware pipes and has a cutting tool at its outer end for loosening the soil.
  • the advance head has a receiving space for the soil loosened via the cutting edge.
  • a rotating nozzle is arranged in this receiving space, which emits liquid in a jet shape, wherein the orientation of the nozzles is provided in the direction of the stoneware pipes away from the cutting edge.
  • the soil penetrating into the receiving space is captured by the liquid jets and moved towards the starting pit through the stoneware pipes.
  • the head with the nozzles is brought closer to the cutting edge (cohesive) or away from this side (sandy soil).
  • the disadvantage here especially in very cohesive soils, is that the advance head shown here can become clogged or the soil is detached from the cutting edge in a plug-like manner without it even reaching the jet area as such, so that the plug does not dissolve and thus constipation can occur.
  • the object of the invention is therefore to overcome the aforementioned disadvantages.
  • the drilling device is designed so that it drills vertically upwards out of a tunnel, that the receiving space is conical, that the opening is arranged centrally in the cone, and that the first nozzle is arranged so that the emitted liquid jet is emitted along the surface of the conical receiving space towards the opening.
  • a further teaching of the invention provides that at least one third nozzle is provided, which is arranged in such a way that its discharge opening is essentially directed towards an opposite wall of the receiving space. This further improves the size reduction and dissolution of the soil.
  • a further teaching of the invention provides that the at least one first, the at least one second and/or the at least one third nozzle can be switched separately.
  • a further teaching of the invention provides that the expansion involves jacking pipes, tunnel segments, pipe segments or pipelines.
  • At least one nozzle is a full jet nozzle. This refers to a nozzle that emits a focused jet, which essentially appears as a point jet onto an obstacle. The energy is released optimally at specific points. This is advantageous if larger objects need to be specifically shredded or moved.
  • a further teaching of the invention provides that the at least one first nozzle is designed as a full jet nozzle. This is advantageous if larger objects are to be shredded or moved specifically in the rear area of the receiving space of the propulsion head.
  • a further teaching of the invention provides that at least one nozzle is a flat jet nozzle.
  • a further teaching of the invention provides that the at least one second and/or the at least one third nozzle is designed as a flat jet nozzle. This refers to a nozzle that emits a jet that fans out in at least one direction, resulting in a broader cutting effect on the object being sprayed. The point energy of the beam becomes lower, which reduces the depth of penetration into the ground, but at the same time results in larger-area comminution.
  • a further teaching of the invention provides that the receiving space is designed to be conical. Alternatively, other shapes can also be provided. The cone is particularly suitable if the loosened soil can be removed using gravity.
  • a further teaching of the invention provides that the receiving space has a section in its wall in which the nozzles are arranged. This makes it possible to provide several nozzles in one area that are aligned differently.
  • a further teaching of the invention provides that at least two nozzles are provided, which are aligned in the direction of the opening, the wall and/or the floor. This improves the size reduction and removal of the loosened soil.
  • a further teaching of the invention provides that the liquid jets emitted by the nozzles intersect at a point. This improves the size reduction and removal of the loosened soil. Furthermore, the energy of the liquid jets is focused in one point.
  • the figures show a device 10 with a jacking head 11, at the outer end of which a cutting element 12 is provided for loosening the soil.
  • the jacking head 11 On the opposite side, the jacking head 11 has a connection 13 for an extension 14, which are jacking pipes, tunnel segments, Pipe segments or pipelines can act.
  • the propulsion head 11 has a receiving space 15 which is conical. Alternatively, other shapes such as cylindrical or partially conical are possible.
  • the receiving space 15 is connected to the cutting element 12.
  • the receiving space 15 At its lower end in the conical center, the receiving space 15 has an opening 16 to which a discharge line 17 is connected.
  • a pump 18 can be provided in the discharge line 17 in order to convey the soil and liquid released into the mixture.
  • a recess 20 is provided which extends horizontally in a circle over the entire cone.
  • individual depressions can be provided at different points on the cone.
  • a plurality of first nozzles 21 are provided in the recess 20, which are arranged such that the liquid jet 31 emitted by the nozzle 21 runs essentially parallel to the conical inner surface 19. The advantage of this is that the nozzles are aligned so that these jets meet at a point 22 in the opening 16. This advantageous embodiment makes it possible to shred the loosened soil that is located in this area of the receiving space 15, if this has not already happened, and at the same time to move it along the inner surface 19 towards the opening 16.
  • a plurality of second nozzles 23 are provided in the recess 20, which are arranged so that the liquid jet 33 emitted by them is directed towards the cutting element 12.
  • the nozzles 23 are advantageously provided in such a way that the jets 33 meet in an area 24 which is located outside the propulsion head 11 in the ground.
  • third nozzles 25 are arranged in the recess 20, which are essentially directed towards the opposite inner surface 19 of the receiving space 15.
  • they are essentially provided at right angles, so that their rays 35 meet in an area 26.
  • This area is preferably at the level of the transition area 27 between the cutting element 12 and the receiving space 15.
  • the nozzles 21, 23, 25 are connected to a supply line 28 in which a pump 29 is provided.
  • the liquid to be dispensed via the nozzles 21, 23, 25 is supplied via the supply line 28.
  • Fig. 1a shows a top view of the device 10 according to the invention. What can be seen is the propulsion head 11, with the cutting unit 12 and the receiving space 15. The opening 16 is provided in the middle of the receiving space 15. Also shown is the recess 20 with the second nozzles 23.
  • Fig. 1b shows an alternative view Fig. 1a with the respective liquid jets 31, 33, 35 emitted by the nozzles 21, 23, 25.
  • the first nozzle 21 emits a liquid jet 31 as a full jet or spot jet.
  • the second nozzle 23 emits a surface jet 33.
  • the third nozzle also emits a liquid jet 35, which here is also preferably a surface jet.
  • the cut surfaces BB, CC and DD are shown.
  • the cutting surface BB is in the Figures 3a to 3c shown.
  • the cutting surface CC is in the Figures 4a to 4c shown and the cutting plane DD is in the Figures 2a to 2c shown.
  • the sectional surface CC is chosen so that it shows a section through two nozzles of the second nozzles 23.
  • the cutting plane BB is chosen so that it shows a section through two nozzles of the third nozzles 25.
  • the cutting plane BB is chosen so that it shows a section through two first nozzles 21.
  • the Figures 2a , 3a and 4a show the section through the propulsion head 11 according to the invention without the Representation of the respective liquid jets 31, 33, 35.
  • the Figures 2b , 3b , 4b each show the section through the propulsion head 11 according to the invention with the respective liquid jet 31, 33, 35 of the respective cut nozzles.
  • the Figures 2c , 3c , 4c show the respective section through the propulsion head 11 according to the invention with the liquid jets 31, 33, 35 of all nozzles.
  • Fig. 5 shows the device 10 according to the invention creating a cavity in the ground 30.
  • the cavity (not shown) is opened from a route 32, alternatively also from a starting shaft or the like.
  • Route 32 is provided with an extension 34 (here a tunnel extension).
  • a schematically illustrated press frame 36 with a hydraulic cylinder 37 and a feed plate 38 is provided in the section 32.
  • the cavity is opened through an opening 39 in the extension 34.
  • pipe sections 14 are provided, at the front end of which the propulsion head 11 is arranged.
  • the opening 39 is sealed between the expansion 34 and the corresponding pipe section 14 via a seal 40.
  • the opening itself is carried out using the well-known pre-pressing process.
  • the loose rock can only be loosened and removed from the nozzle 21 by the cutting edge 12 in conjunction with a liquid jet 31. If the cohesiveness of the soil increases, the second row of nozzles 23 can also be switched to improve the loosening process of the soil and/or the third row of nozzles 25 in order to simplify the shredding of the soil and the loosening of the soil.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Road Signs Or Road Markings (AREA)
  • Electric Cable Installation (AREA)

Claims (11)

  1. Dispositif (10) pour créer un espace creux dans un sol à partir d'un point de départ jusqu'à un point de destination le long d'une ligne de forage en vue d'introduire un soutènement servant à maintenir l'espace creux ouvert, comprenant une tête d'avancement (11) à l'extrémité extérieure de laquelle se trouve au moins un élément de coupe (12) destiné à désagréger le sol, la tête d'avancement comprenant un espace d'accueil (15) qui présente une ouverture (16) au niveau de laquelle est raccordée une conduite d'évacuation (17), et dans lequel est prévue au moins une première buse (21) destinée à délivrer un liquide servant à évacuer le sol désagrégé hors de l'espace d'accueil, qui est prévue de telle sorte que son ouverture de décharge soit orientée sensiblement en direction de la conduite d'évacuation, le creusement étant réalisé par l'intermédiaire d'un dispositif de creusement, et au moins une deuxième buse (23) étant prévue, qui est disposée de telle sorte que son ouverture de décharge soit orientée sensiblement vers le sol à désagréger, caractérisé en ce que le dispositif de forage est réalisé de telle sorte qu'il fore verticalement vers le haut à partir d'un tunnel, en ce que l'espace d'accueil (15) est réalisé de manière conique, en ce que l'ouverture (16) est agencée de manière centrée dans le cône, et en ce que la première buse (21) est agencée de telle sorte que le jet de liquide distribué (31) soit distribué le long de la surface (19) de l'espace d'accueil conique, vers l'ouverture.
  2. Dispositif selon la revendication 1, caractérisé en ce qu'il est prévu au moins une troisième buse (25) disposée de manière que son ouverture de décharge soit sensiblement orientée vers une paroi opposée de l'espace d'accueil.
  3. Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que ladite au moins une première, ladite au moins une deuxième et/ou ladite au moins une troisième buses sont aptes à être commutées séparément.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le soutènement est constitué de tubes d'avance, de segments de tunnel, de segments tubulaires ou de conduites tubulaires.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce qu'au moins une buse est une buse à jet plein.
  6. Dispositif selon la revendication 5, caractérisé en ce que ladite au moins une première buse est réalisée sous la forme d'une buse à jet plein.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce qu'au moins une buse est une buse à jet plat.
  8. Dispositif selon la revendication 7, caractérisé en ce que ladite au moins une deuxième et/ou ladite au moins une troisième buse est réalisée sous la forme d'une buse à jet plat.
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que l'espace d'accueil présente dans sa paroi une section dans laquelle sont disposées les buses.
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce qu'il est prévu au moins deux buses orientées en direction de l'ouverture, de la paroi et/ou du sol.
  11. Dispositif selon la revendication 10, caractérisé en ce que les jets de liquide émis par les buses se croisent en un point.
EP20194145.7A 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol Active EP3763914B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016008762.5A DE102016008762A1 (de) 2016-07-21 2016-07-21 Vorrichtung zum Erstellen eines Hohlraums in einem Boden
EP17751257.1A EP3488079B1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol
PCT/EP2017/067647 WO2018015258A1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP17751257.1A Division-Into EP3488079B1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol
EP17751257.1A Division EP3488079B1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol

Publications (3)

Publication Number Publication Date
EP3763914A1 EP3763914A1 (fr) 2021-01-13
EP3763914B1 true EP3763914B1 (fr) 2023-11-15
EP3763914C0 EP3763914C0 (fr) 2023-11-15

Family

ID=59581840

Family Applications (3)

Application Number Title Priority Date Filing Date
EP20194145.7A Active EP3763914B1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol
EP20212422.8A Withdrawn EP3822450A1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol
EP17751257.1A Active EP3488079B1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP20212422.8A Withdrawn EP3822450A1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol
EP17751257.1A Active EP3488079B1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol

Country Status (9)

Country Link
US (1) US11118410B2 (fr)
EP (3) EP3763914B1 (fr)
CN (1) CN109715906B (fr)
DE (1) DE102016008762A1 (fr)
DK (1) DK3488079T3 (fr)
ES (2) ES2967009T3 (fr)
PL (2) PL3488079T3 (fr)
PT (1) PT3488079T (fr)
WO (1) WO2018015258A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3047161C2 (de) * 1980-12-15 1983-10-06 Wayss & Freytag Ag, 6000 Frankfurt Vortriebsschild mit Flüssigkeitsstützung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1853379A (en) * 1926-12-29 1932-04-12 Alexander G Rotinoff Caisson and method of and means for sinking the same
FR1338375A (fr) 1962-06-28 1963-09-27 Hersent Procédé et dispositif pour le percement de tunnels ou galeries dans les terrains instables
US3938600A (en) * 1973-07-16 1976-02-17 Continental Oil Company Hydraulic mining nozzle-air lift device
JPS54144741A (en) 1978-05-02 1979-11-12 Shimizu Construction Co Ltd Method of construction of earthhpressure shield excavation
JPS5585799A (en) * 1978-12-22 1980-06-28 Maeda Construction Shield excavator
JPH0513833Y2 (fr) * 1987-12-24 1993-04-13
DE4217293C2 (de) 1991-05-24 1996-04-11 Jens Werner Kipp Verfahren zum grabenlosen Verlegen von Kanalrohren
DE19508703A1 (de) * 1995-03-02 1996-09-05 Siegfried Schwert Verfahren zum Einbringen eines Rohres in das Erdreich
DE19832568C2 (de) * 1998-07-20 2003-04-30 Anton Jaeger Rotordüse
JP2006348639A (ja) * 2005-06-17 2006-12-28 Alpha Civil Engineering:Kk 掘進機
CN102071942B (zh) * 2010-12-02 2012-09-05 沈阳重型机械集团有限责任公司 一种防止盾构机开挖处结泥饼的处理方法
CN203362167U (zh) * 2013-06-06 2013-12-25 日立造船株式会社 盾构掘进机
CN104695971B (zh) * 2015-01-07 2017-01-25 同济大学 一种环形顶管施工方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3047161C2 (de) * 1980-12-15 1983-10-06 Wayss & Freytag Ag, 6000 Frankfurt Vortriebsschild mit Flüssigkeitsstützung

Also Published As

Publication number Publication date
ES2858565T3 (es) 2021-09-30
CN109715906B (zh) 2020-12-22
EP3488079B1 (fr) 2020-12-09
PL3763914T3 (pl) 2024-04-08
DK3488079T3 (da) 2021-03-08
US11118410B2 (en) 2021-09-14
DE102016008762A1 (de) 2018-01-25
EP3763914A1 (fr) 2021-01-13
EP3488079A1 (fr) 2019-05-29
EP3763914C0 (fr) 2023-11-15
WO2018015258A1 (fr) 2018-01-25
PT3488079T (pt) 2021-03-09
ES2967009T3 (es) 2024-04-25
US20190284879A1 (en) 2019-09-19
CN109715906A (zh) 2019-05-03
PL3488079T3 (pl) 2021-08-23
EP3822450A1 (fr) 2021-05-19

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