EP3488079A1 - Dispositif pour ménager un évidemment dans un sol - Google Patents

Dispositif pour ménager un évidemment dans un sol

Info

Publication number
EP3488079A1
EP3488079A1 EP17751257.1A EP17751257A EP3488079A1 EP 3488079 A1 EP3488079 A1 EP 3488079A1 EP 17751257 A EP17751257 A EP 17751257A EP 3488079 A1 EP3488079 A1 EP 3488079A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
soil
receiving space
nozzles
jet
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
EP17751257.1A
Other languages
German (de)
English (en)
Other versions
EP3488079B1 (fr
Inventor
Steffen Praetorius
Tobias GERHARDT
Marc Peters
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
Priority to EP20212422.8A priority Critical patent/EP3822450A1/fr
Priority to EP20194145.7A priority patent/EP3763914B1/fr
Priority to PL17751257T priority patent/PL3488079T3/pl
Publication of EP3488079A1 publication Critical patent/EP3488079A1/fr
Application granted granted Critical
Publication of EP3488079B1 publication Critical patent/EP3488079B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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 an apparatus for creating a cavity in a bottom of a starting point to a target point along a drilling line for introducing expansion for keeping open the cavity with a propellant head at the outer end of which at least one cutting element for releasing the bottom is provided, wherein the propellant head a Receiving space having an opening to which a discharge line is connected, and in which at least one first nozzle for discharging a liquid for removing the dissolved soil from the receiving space is provided, which is provided so that its discharge opening substantially in the direction of Abredtechnisch is aligned, the propulsion takes place via a feed device.
  • Such a device is known from DE 4 217 293 C2.
  • clay pipes are placed in the ground via a press frame from a starting pit.
  • a propulsion head In front of the stoneware pipes a propulsion head is arranged, which has at its outer end a cutting tool for releasing the soil.
  • the propellant head has a receiving space for the dissolved over the cutting ground.
  • a rotary nozzle In this receiving space, a rotary nozzle is arranged, the liquid emits radiant, wherein the orientation of the nozzle is provided in the direction of the stoneware pipes away from the cutting edge. The penetrating into the receiving space bottom is detected by the liquid jets and moved in the direction of the starting pit through the vitrified clay pipes.
  • the head with the nozzles is brought closer to the cutting edge (cohesive) or arranged away from this side (sandy soil).
  • a disadvantage, in particular in very cohesive soils, is here that the propellant head shown here can clog or the soil is dissolved like a gob of the cutting edge, without this reaches the beam area as such at all, so it does not lead to a resolution of the plug and thus can become constipated.
  • the object of the invention is therefore to overcome the aforementioned disadvantages.
  • At least a second nozzle is provided, which is arranged so that its discharge opening is directed substantially to the soil to be dissolved.
  • a further teaching of the invention provides that at least a third nozzle is provided, which is arranged so that its discharge opening is directed substantially on an opposite wall of the receiving space. As a result, the crushing and dissolution of the soil is further improved.
  • Another teaching of the invention provides that the at least one first, the at least one second and / or the at least one third nozzle are separately switchable. As a result, the use of liquid can be optimally adapted to the soil conditions.
  • 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 is understood to mean a nozzle which emits a focused beam, which essentially acts as a spot beam on an obstacle. This is the energy optimally delivered selectively. This is advantageous if larger objects are to be shredded targeted or to be moved.
  • the at least one first nozzle is designed as a full-jet nozzle. This is advantageous if larger objects are to be shredded targeted in the rear of the receiving space of the propellant head or to be moved.
  • a further teaching of the invention provides that at least one nozzle is a flat jet nozzle.
  • the at least one second and / or the at least one third nozzle is designed as a flat jet nozzle. This is understood to mean a nozzle which emits a jet which fanned out at least in one direction, as a result of which a broader cutting effect takes place on the subject of the object. The point energy of the jet is reduced, which reduces the depth of penetration into the soil, but at the same time a larger-scale crushing is effected.
  • the receiving space is designed conical. Alternatively, other shapes may be provided.
  • the cone is particularly suitable if the dissolved soil can be carried away by gravity.
  • the receiving space has in its wall a portion in which the nozzles are arranged. This makes it possible to provide a plurality of nozzles in one area, which are aligned differently.
  • Another 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 bottom. As a result, the crushing and removal of dissolved soil are improved.
  • 1 a is a plan view of a device according to the invention
  • Fig. 1 b shows an alternative representation with liquid jets shown analog
  • FIG. 2a is a sectional view of Fig. 1a in section D,
  • FIG. 2b shows a further illustration to FIG. 2a with illustrated liquid jets from the first nozzles
  • FIG. 2c is another view of Fig. 2a with all liquid jets
  • 3a is a sectional view of the section B of FIG. 1 a
  • FIG. 3b is a supplementary view to Fig. 3a with liquid jets of the second nozzles
  • FIG. 3c shows a further illustration of FIG. 3a with all liquid jets
  • FIG. 4a is a sectional view according to section C of Fig. 1 a
  • FIG. 4b is another view of Fig. 4a with liquid jets of the third nozzle
  • Fig. 4c is another view of Fig. 4a with all liquid jets
  • Fig. 5 is a schematic representation of a propulsion system with inventive device.
  • the figures show a device 10 with a propellant head 1 1, at the outer end of a cutting element 12 is provided for releasing the bottom on the opposite side, the propellant head 1 1 a connection 13 for an expansion 14, which are jacking pipes, Tunnel segments, pipe segments or pipelines.
  • the propellant head 1 1 has a receiving space 15 which is conical. Alternatively, other shapes such as cylindrical or teilkonisch possible.
  • At the upper end of the receiving space 15 is connected to the cutting element 12.
  • At its lower end in the conical center of the receiving space 15 has an opening 16 to which a discharge line 17 is connected.
  • a pump 18 may be provided to promote the mixture triggered soil and liquid from.
  • a recess 20 which extends in a circle over the entire cone horizontally.
  • individual depressions may be provided at different points of the cone here.
  • a plurality of first nozzles 21 are provided, which are arranged so that the jet of liquid 31 discharged from the nozzle 21 is substantially parallel to the conical inner surface 19.
  • the nozzles are aligned so that these rays meet at a point 22 in the opening 16. Due to this advantageous embodiment, it is possible to crush the dissolved soil, which is located in this area of the receiving space 15, if this has not happened yet and at the same time to move along the inner surface 19 toward 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 these is directed towards the cutting element 12.
  • the nozzles 23 are provided so that the Strahlen33 meet in a region 24 which is outside the propellant head 1 1 in the ground. Through these beams 334 a kind of burglary is effected in the area 24 in the ground, in which then the dissolved and displaced by the cutting element 12 can move in. This will release and Removal of the soil by the propellant head 1 1, especially in cohesive soils, easier.
  • third nozzles 25 are arranged in the recess 20, which are directed substantially onto the opposite inner surface 19 of the receiving space 15.
  • they are provided substantially at right angles, so that their rays 35 meet in a region 26.
  • This area is preferably at the level of the transition region 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. Via the feed line 28 via the nozzles 21, 23, 25 to be dispensed liquid.
  • FIG. 1 a shows a plan view of the device 10 according to the invention.
  • the propellant head 1 1 can be seen, with the cutting unit 12 and the receiving space 15.
  • the opening 16 is provided centrally in the receiving space 15.
  • the recess 20 is shown with the second nozzles 23.
  • Fig. 1 b shows an alternative view to Fig. 1 a with the respective of the nozzles 21, 23, 25 discharged liquid jets 31, 33 35.
  • the first nozzle 21st a liquid jet 31 as a full jet or spot beam.
  • the second nozzle 23 emits a surface jet 33.
  • the third nozzle also emits a liquid jet 35, which is also preferably a surface jet.
  • sectional areas B-B, C-C and D-D are shown.
  • the sectional area B-B is shown in FIGS. 3a to 3c.
  • the sectional area C-C is shown in FIGS. 4a to 4c and the sectional plane D-D is shown in FIGS. 2a to 2c.
  • the sectional area CC is chosen such that it shows a section through two nozzles of the second nozzles 23.
  • the sectional plane BB is chosen so that it shows a section through two nozzles of the third nozzle 25.
  • the sectional plane BB is chosen so that it shows a section through two first nozzles 21.
  • the figures 2a, 3a and 4a respectively show the section through the propellant head 1 1 according to the invention without the representation of the respective liquid jets 31, 33, 35.
  • the figures 2b, 3b, 4b show in each case the section through the propellant head 1 1 according to the invention respective liquid jet 31, 33, 35 of the respective cut nozzles.
  • Figures 2c, 3c, 4c show the respective section through the propellant head 1 1 according to the invention with the liquid jets 31, 33, 35 of all nozzles.
  • FIG. 5 shows the device 10 according to the invention when creating a cavity in the floor 30.
  • the cavity (not shown) is ascended from a section 32, alternatively also from a start shaft or the like.
  • the route 32 is provided with an expansion 34 (here a tunnel extension).
  • a schematically illustrated press frame 36 with hydraulic cylinder 37 and a feed plate 38 is provided in the route 32.
  • the soil can be loosened and discharged from the nozzle 21 only by the cutting edge 12 in conjunction with a liquid jet 31.
  • Increases the strength of the soil can complement the second nozzle row 23 to improve the dissolving process of the soil and / or the third row of nozzles 25 in order to simplify here then the crushing of the soil and the release of the soil.

Landscapes

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

Abstract

L'invention concerne un dispositif (10) pour ménager une cavité dans un sol entre un point de départ et un point d'arrivée le long d'une ligne de forage, de manière à introduire un cuvelage pour maintenir la cavité ouverte avec une tête de creusement (11) à l'extrémité extérieure de laquelle se situe au moins un élément de coupe (12) pour désagréger le sol, la tête de creusement (11) présentant un espace de réception (15) qui comporte une ouverture (16) à laquelle est raccordé un conduit d'extraction (17) et dans lequel se situe au moins une première buse (21) pour délivrer un liquide pour évacuer le sol désagrégé hors de l'espace de réception. Ladite buse se présente de sorte que son ouverture pour délivrer un liquide est orientée essentiellement dans la direction du conduit d'extraction, la poussée en avant étant effectuée par un dispositif d'avance. A cet effet, au moins une deuxième buse (23) est disposée de manière que son ouverture pour délivrer un liquide est sensiblement dirigée sur le sol à désagréger.
EP17751257.1A 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol Active EP3488079B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20212422.8A EP3822450A1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol
EP20194145.7A EP3763914B1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol
PL17751257T PL3488079T3 (pl) 2016-07-21 2017-07-12 Urządzenie do wykonywania wydrążenia w gruncie

Applications Claiming Priority (2)

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
PCT/EP2017/067647 WO2018015258A1 (fr) 2016-07-21 2017-07-12 Dispositif pour ménager un évidemment dans un sol

Related Child Applications (3)

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

Publications (2)

Publication Number Publication Date
EP3488079A1 true EP3488079A1 (fr) 2019-05-29
EP3488079B1 EP3488079B1 (fr) 2020-12-09

Family

ID=59581840

Family Applications (3)

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

Family Applications After (2)

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

Country Status (9)

Country Link
US (1) US11118410B2 (fr)
EP (3) EP3488079B1 (fr)
CN (1) CN109715906B (fr)
DE (1) DE102016008762A1 (fr)
DK (1) DK3488079T3 (fr)
ES (2) ES2858565T3 (fr)
PL (2) PL3763914T3 (fr)
PT (1) PT3488079T (fr)
WO (1) WO2018015258A1 (fr)

Family Cites Families (14)

* 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
DE3047161C2 (de) * 1980-12-15 1983-10-06 Wayss & Freytag Ag, 6000 Frankfurt Vortriebsschild mit Flüssigkeitsstützung
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

Also Published As

Publication number Publication date
PL3488079T3 (pl) 2021-08-23
DE102016008762A1 (de) 2018-01-25
EP3763914A1 (fr) 2021-01-13
CN109715906A (zh) 2019-05-03
US20190284879A1 (en) 2019-09-19
CN109715906B (zh) 2020-12-22
PL3763914T3 (pl) 2024-04-08
US11118410B2 (en) 2021-09-14
EP3763914C0 (fr) 2023-11-15
EP3822450A1 (fr) 2021-05-19
EP3763914B1 (fr) 2023-11-15
ES2858565T3 (es) 2021-09-30
ES2967009T3 (es) 2024-04-25
PT3488079T (pt) 2021-03-09
EP3488079B1 (fr) 2020-12-09
WO2018015258A1 (fr) 2018-01-25
DK3488079T3 (da) 2021-03-08

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