EP3488079B1 - Vorrichtung zum erstellen eines hohlraums in einem boden - Google Patents

Vorrichtung zum erstellen eines hohlraums in einem boden Download PDF

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Publication number
EP3488079B1
EP3488079B1 EP17751257.1A EP17751257A EP3488079B1 EP 3488079 B1 EP3488079 B1 EP 3488079B1 EP 17751257 A EP17751257 A EP 17751257A EP 3488079 B1 EP3488079 B1 EP 3488079B1
Authority
EP
European Patent Office
Prior art keywords
nozzles
receiving space
soil
liquid
ground
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
EP17751257.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3488079A1 (de
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 PL17751257T priority Critical patent/PL3488079T3/pl
Priority to EP20212422.8A priority patent/EP3822450A1/de
Priority to EP20194145.7A priority patent/EP3763914B1/de
Publication of EP3488079A1 publication Critical patent/EP3488079A1/de
Application granted granted Critical
Publication of EP3488079B1 publication Critical patent/EP3488079B1/de
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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
    • 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
    • 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

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 in the form of a ring cutter is provided for loosening the soil,
  • the propulsion takes place via a feed device, the propulsion head having a receiving space which has an opening to which a discharge line is connected and in which at least two first nozzles are provided for dispensing a liquid for the removal of the loosened soil from the receiving space are provided so that their discharge openings are aligned in the direction of the opening of the discharge line, and at least two second nozzles are provided, which are arranged such that their discharge openings are directed towards the soil to be loosened.
  • Such a device is from the DE 4 217 293 C2 known.
  • clay pipes are inserted into the ground from a starting pit using a press frame.
  • the propulsion head has a receiving space for the soil loosened by the cutting edge.
  • a rotary nozzle is arranged in this receiving space, which emits liquid in a jet shape, the orientation of the nozzle in the direction of the clay pipes away from the cutting edge being provided.
  • the soil penetrating into the receiving space is caught by the jets of liquid and moved in the direction of the starting pit through the clay pipes.
  • the head with the nozzles gets closer brought up to the cutting edge (cohesive) or arranged away from this side (sandy soil).
  • Such a device is also known from FR 1338375 A .
  • a tunneling machine for shield tunneling in water-bearing soft rock is disclosed here.
  • the front section of the machine has a cup point.
  • a receiving area is provided behind this into which the loosened soil slides.
  • Various nozzles are provided that dispense liquids in order to mix them with the loosened soil.
  • the tunneling machine has a complicated structure and is in need of improvement with regard to the removal of the loosened soil.
  • the object of the invention is therefore to overcome the aforementioned disadvantages.
  • the at least two nozzles of the first nozzles are aligned such that the jets of liquid emitted by the nozzles intersect at a point in the opening, and / or the second nozzles are aligned such that those from the second nozzles intersect cut discharged liquid jets in an area that is outside of the jacking head in the soil to be loosened.
  • a further teaching of the invention provides that at least two third nozzles are provided, which are arranged such that their discharge opening is essentially directed towards an opposite wall of the receiving space. This further improves the crushing and dissolution of the soil. It is advantageous that the at least two nozzles of the third nozzles are aligned such that the jets of liquid emitted by the nozzles intersect in one area. It is also advantageous that the at least two third nozzles are provided in the receiving space at right angles to the direction of advance.
  • Another teaching of the invention provides that the at least two first, the at least two second and the at least two third nozzles are arranged on the wall of the receiving space.
  • Another teaching of the invention provides that the at least two first, the at least two second and / or the at least two third nozzles can be switched separately. This allows the use of liquid to be optimally adapted to the soil conditions.
  • Another teaching of the invention provides that the expansion involves jacking pipes, tunnel segments, pipe segments or pipelines.
  • At least one of the first, second and / or third nozzles is full jet nozzles. This is understood to mean a nozzle that emits a bundled jet that essentially appears as a point jet on an obstacle. The energy is optimally given off at certain points. This is advantageous when larger objects are to be specifically crushed or to be moved.
  • the at least two first nozzles are designed as full jet nozzles. This is advantageous when larger objects are to be comminuted or moved in a targeted manner in the rear area of the receiving space of the propulsion head.
  • At least one of the first, second and / or third nozzles is flat jet nozzles.
  • the at least one of the second and / or the at least one of the third nozzle is designed as a flat jet nozzle. This is understood to mean a nozzle which emits a jet which fans out at least in one direction, whereby a broader cutting effect takes place on the object being sprayed. The point energy of the jet is reduced, which reduces the depth of penetration into the soil, but at the same time causes a larger-scale comminution.
  • the receiving space is designed to be conical. Alternatively, other shapes can also be provided.
  • the cone is particularly suitable when the loosened soil can be removed by gravity.
  • 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.
  • Another teaching of the invention provides that the first nozzle is arranged in such a way that the discharged liquid jet is discharged parallel to the surface of the receiving space. As a result, the cleaning and transport effect is improved with respect to the wall of the loosened soil.
  • the device is a device for creating a cavity vertically.
  • 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, Can act pipe segments or pipelines.
  • 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 from the mixture.
  • a recess 20 is provided which extends circularly over the entire cone extends horizontally.
  • individual depressions can be provided here 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 nozzles are aligned such that these jets meet at a point 22 in the opening 16.
  • a plurality of second nozzles 23 are provided in the recess 20, which are arranged such that the liquid jet 33 emitted by them is directed towards the cutting element 12.
  • the nozzles 23 are provided in such a way that the jets 33 meet in an area 24 which is located outside of the propulsion head 11 in the ground. These rays 33 cause a kind of break-in in the area 24 in the soil, into which the soil loosened and displaced by the cutting element 12 can move into it. This facilitates the loosening and removal of the soil by the propulsion head 11, in particular in the case of cohesive soils.
  • third nozzles 25 are arranged in the recess 20, which are directed essentially at the opposite inner surface 19 of the receiving space 15. They are advantageously provided essentially 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 plan view of the device 10 according to the invention.
  • the propulsion head 11 with the cutting unit 12 and the receiving space 15 can be seen.
  • the opening 16 is provided in the center of the receiving space 15.
  • the recess is also shown 20 with the second nozzles 23.
  • Figure 1b shows an alternative view to 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 point 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 cut surface BB is in the Figures 3a to 3c shown.
  • the cut surface CC is in the Figures 4a to 4c shown and the section plane DD is in the Figures 2a to 2c shown.
  • the cut surface CC is selected such that it shows a section through two nozzles of the second nozzles 23.
  • the cutting plane BB is selected so that it shows a section through two nozzles of the third nozzles 25.
  • the cutting plane BB is selected such that it shows a section through two first nozzles 21.
  • the Figures 2a , 3a and 4a each show the section through the propulsion head 11 according to the invention without the representation of the respective liquid jets 31, 33, 35
  • 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 when creating a cavity in the ground 30.
  • the cavity (not shown) is opened from a section 32, alternatively also from a starting shaft or the like.
  • the route 32 is provided with an extension 34 (here a tunnel extension).
  • a schematically illustrated press frame 36 with 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 extension 34 and the corresponding pipe section 14 via a seal 40.
  • the opening itself takes place according to the known pre-pressing process.
  • the loose rock can only be released from the nozzle 21 and conveyed away by the cutting edge 12 in connection with a liquid jet 31. If the cohesiveness of the soil increases, the second row of nozzles 23 to improve the process of loosening the soil and / or the third row of nozzles 25 can be switched on in order to simplify the crushing 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)
  • 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)
  • Road Signs Or Road Markings (AREA)
  • Electric Cable Installation (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
EP17751257.1A 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden Active EP3488079B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL17751257T PL3488079T3 (pl) 2016-07-21 2017-07-12 Urządzenie do wykonywania wydrążenia w gruncie
EP20212422.8A EP3822450A1 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden
EP20194145.7A EP3763914B1 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden

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 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden

Related Child Applications (3)

Application Number Title Priority Date Filing Date
EP20194145.7A Division EP3763914B1 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden
EP20194145.7A Division-Into EP3763914B1 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden
EP20212422.8A Division EP3822450A1 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden

Publications (2)

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

Family

ID=59581840

Family Applications (3)

Application Number Title Priority Date Filing Date
EP17751257.1A Active EP3488079B1 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden
EP20194145.7A Active EP3763914B1 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden
EP20212422.8A Withdrawn EP3822450A1 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP20194145.7A Active EP3763914B1 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden
EP20212422.8A Withdrawn EP3822450A1 (de) 2016-07-21 2017-07-12 Vorrichtung zum erstellen eines hohlraums in einem boden

Country Status (9)

Country Link
US (1) US11118410B2 (es)
EP (3) EP3488079B1 (es)
CN (1) CN109715906B (es)
DE (1) DE102016008762A1 (es)
DK (1) DK3488079T3 (es)
ES (2) ES2967009T3 (es)
PL (2) PL3763914T3 (es)
PT (1) PT3488079T (es)
WO (1) WO2018015258A1 (es)

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 (es) * 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2858565T3 (es) 2021-09-30
EP3488079A1 (de) 2019-05-29
CN109715906B (zh) 2020-12-22
EP3763914B1 (de) 2023-11-15
PL3488079T3 (pl) 2021-08-23
CN109715906A (zh) 2019-05-03
PT3488079T (pt) 2021-03-09
US11118410B2 (en) 2021-09-14
EP3763914C0 (de) 2023-11-15
PL3763914T3 (pl) 2024-04-08
WO2018015258A1 (de) 2018-01-25
EP3822450A1 (de) 2021-05-19
DE102016008762A1 (de) 2018-01-25
ES2967009T3 (es) 2024-04-25
DK3488079T3 (da) 2021-03-08
US20190284879A1 (en) 2019-09-19
EP3763914A1 (de) 2021-01-13

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