EP1092836A2 - Dispositif de forage à roue coupante avec buses à haute pression - Google Patents

Dispositif de forage à roue coupante avec buses à haute pression Download PDF

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Publication number
EP1092836A2
EP1092836A2 EP00810926A EP00810926A EP1092836A2 EP 1092836 A2 EP1092836 A2 EP 1092836A2 EP 00810926 A EP00810926 A EP 00810926A EP 00810926 A EP00810926 A EP 00810926A EP 1092836 A2 EP1092836 A2 EP 1092836A2
Authority
EP
European Patent Office
Prior art keywords
high pressure
cutting wheel
face
pressure nozzles
drilling device
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.)
Withdrawn
Application number
EP00810926A
Other languages
German (de)
English (en)
Other versions
EP1092836A3 (fr
Inventor
Martin Dr.Ing.-E.H. Herrenknecht
Maynar Manuel Melis
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 EP1092836A2 publication Critical patent/EP1092836A2/fr
Publication of EP1092836A3 publication Critical patent/EP1092836A3/fr
Withdrawn legal-status Critical Current

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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
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1066—Making by using boring or cutting machines with fluid jets
    • 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
    • E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
    • E21D9/0879—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering

Definitions

  • the present invention relates to a drilling device with a cutting wheel, as in the preamble of independent claim 1 is defined.
  • the soil mechanics principle comes into play during the peeling process Overcoming the shear strength of the soil in use, which as the shear stress with the parameters friction angle and cohesion is defined.
  • the peeling knife generated by its points in contact with the soil material with the contact pressure and the cutting wheel movement Shear stress that is greater than that of the ground, causing after exceeding the limit state in the soil Failure of the soil matrix is coming.
  • the required total shear stress which is a measure of mechanical engineering Performance and the building material-specific wear, results from the sum of the shear stresses all points of the peeling knife touching the ground.
  • Such a drilling device is in DE-C-42 06 831 described in which by means of foam injection pipes in the Area between the cutting wheel and the face and into the excavation chamber a foam is injected, the one hand Reduction of the frictional resistance between the cutting wheel and the face causes and on the other hand a stagnation of the mined material in the mining chamber and an addition to make the latter impossible.
  • This foam injection but prevents the formation of concentric Circles on the face generally not.
  • the invention is based, based on the task Prior art described above a drilling device and a method for mining material by means of a to create such a drilling device, the reduction of total output required to mine the soil and a reduction in wear and tear on the Disassembly tools.
  • the essence of the invention is that in a drilling device with a cutting wheel that one during Drilling operations facing the working face of the material to be mined Has a large number of removal tools is arranged between the mining tools High pressure nozzles are arranged during drilling operations each with a high pressure liquid jet straighten the face.
  • the high pressure liquid jets cut the cohesive Soil material on the face in the space between two mining tools hydromechanically before, causing material degradation is optimized.
  • breaking up the floor by means of sharp jets of liquid will provide the required shear stress to loosen the soil material on the Flanks of the mining tools greatly reduced, among other things also by the fact that the liquid introduced additional smear effect occurs.
  • the hydromechanical Pre-cutting the floor material also results in a reduction the shear stresses on the front and bottom of the subsequent dismantling tools in intermediate tracks, if there are such.
  • a drilling device essentially has one hollow cylindrical shield 5 and a front, Cutting wheel rotating during drilling 1 on.
  • the cutting wheel 1 is driven by a cutting wheel drive 2 with a housing 21 and a hollow cylindrical drive shaft 22 driven and includes a cutting wheel front panel 12, four radially extending cutting wheel arms 11 and four radially extending cutting wheel arms 111.
  • the number the cutting wheel arm is of course not essential to the invention and can vary depending on the project.
  • At the end of the cutting wheel 1 there are two radial ones Rows of paring knives 14 as removal tools on the Cutting wheel arms 11, 111 attached so that when turning the Cutting wheel 1 material is broken down in both directions.
  • the peeling knife 14 of the cutting wheel arms 11 and the peeling knife 14 of the cutting wheel arms 111 are radially offset from one another, so that a peeling knife of a cutting wheel arm 11, 111 during the drilling operation in the track between two peeling knives 14 of the adjacent cutting wheel arm 11, 111 rotates.
  • 111 On both sides next to the cutting wheel arms 11, 111 are material inlets 13, 130 arranged, i.e. Loading openings, through the mined material in a behind the cutting wheel 1
  • Existing mining chamber 8 arrives.
  • a screw conveyor 4 available, which the material from the mining chamber 8 towards the back towards a starting pit Further transport to the starting pit with e.g. a conveyor belt or dolly wagon.
  • a security gate behind the removal chamber 8 80 provided, which ensures access to the mining chamber 8.
  • the boring head is driven by means of jacking presses 6, which start at sign 5.
  • jacking presses 6, which start at sign 5.
  • an erector 70 continuously new ring segments 7, so-called tubbings the tunnel tube already formed, so that this growing forward.
  • the drilling device according to the invention differs in this respect not significantly different from similar drilling devices state of the art, and what the details of the mentioned Parts of the device and the other parts, but not shown parts of the drilling device referred to this.
  • high pressure nozzles 15 each between the two rows of peeling knives 14 on the cutting wheel arms 11, 111 are arranged. Over long distances is in each case a high pressure nozzle 15 is assigned to four peeling knives 14.
  • the high-pressure nozzles 15 straighten during the drilling operation a high pressure liquid jet against each Face of the material to be mined.
  • the Alimentation of the High-pressure nozzles 15 with liquid take place via a rotating union 3, the non-rotating housing 31 fixed is connected to the housing 21 of the cutting wheel drive 2.
  • By means of a drive shaft 22 of the cutting wheel drive 2 coupled and thus rotating with this inner tube 32 and through the cutting wheel front plate 12 and the Cutting wheel arms 11, 111 pass through the high pressure nozzles 15 Liquid supplied.
  • high-pressure nozzles 15 are commercially available Nozzles used that have a liquid jet pressure of at least 100 bar, preferably more than 250 bar.
  • At least some of the high pressure nozzles 15 are preferred in the gaps between when turning the Cutting wheel 1 resulting circular paths radially spaced Peeling knife 14 arranged. Cut these high pressure nozzles 15 then the material in the intermediate track during drilling between two paring knives 14 and facilitate not only the material degradation of these two paring knives 14, but also the subsequent peeling knife 14 of the intermediate track, especially because of the liquid introduced an additional lubrication effect occurs.
  • the face 9 is directed liquid, for example Water or bentonite, but can also be a foam, like he e.g. is described in DE-C-42 06 831.
  • This second embodiment differs from first in that two peeling knives 14 each High pressure nozzle 15 is assigned. Each high pressure nozzle is 15 arranged approximately in the middle between four peeling knives 14. The high pressure nozzles 15 and the peeling knife 14 are in the Cutting wheel arms 11, 111 anchored, only one here Cutting wheel arm 11 is shown.
  • the paring knife 14 have a rectangular plan, vertical flanks 141, 142 and are wedge-like towards the outside towards the material to be mined trained so that during drilling operations by the Turn the cutting wheel 1 with the paring knife 14 material is split off from the face 9.
  • the high-pressure nozzles 15 point to the face to be removed 9 each a perpendicular to the flanks 141, 142 of the Paring knife 14 parallel liquid jet 150, the Soil material hydromechanically breaks up and pre-cuts, so that the degradation effect of the peeling knife 14 is supported becomes.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP00810926A 1999-10-11 2000-10-06 Dispositif de forage à roue coupante avec buses à haute pression Withdrawn EP1092836A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH184799 1999-10-11
CH184799 1999-10-11

Publications (2)

Publication Number Publication Date
EP1092836A2 true EP1092836A2 (fr) 2001-04-18
EP1092836A3 EP1092836A3 (fr) 2003-11-26

Family

ID=4220007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00810926A Withdrawn EP1092836A3 (fr) 1999-10-11 2000-10-06 Dispositif de forage à roue coupante avec buses à haute pression

Country Status (1)

Country Link
EP (1) EP1092836A3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2284360A1 (fr) * 2009-08-14 2011-02-16 Meyer & John GmbH & Co. KG Procédé d'avancée
WO2018028748A1 (fr) * 2016-08-08 2018-02-15 Gerhard Dorandt Tête de forage pour l'abattage de roche, machine de forage et procédé d'abattage de roche
CN107965615A (zh) * 2017-11-16 2018-04-27 东北大学 具有探测和定向破除障碍功能的顶管机
WO2018103535A1 (fr) * 2016-12-05 2018-06-14 中铁工程装备集团有限公司 Disque de coupe de remplacement à pression normale
CN111577309A (zh) * 2020-05-07 2020-08-25 中国矿业大学 一种多滚刀分段式楔裂坚硬岩体方法
CN112160762A (zh) * 2020-10-13 2021-01-01 盾构及掘进技术国家重点实验室 一种高压水射流与滚刀复合破岩的掘进机刀盘

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206831C2 (de) 1992-01-23 1996-09-12 Ohbayashi Corp Verfahren zum Stützen der Ortsbrust und des anstehenden Grundwassers bei einem Erddruckschild

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7604192A (nl) * 1976-04-21 1977-10-25 Helvoirt C Inrichting voor het maken van een gat door een dijk of dergelijke.
CH683861A5 (de) * 1991-10-30 1994-05-31 Heierli & Co Patentverwertungs Tunnelvortriebsmaschine.
JP2763471B2 (ja) * 1993-02-10 1998-06-11 京浜急行電鉄株式会社 ドレーン材等の切断装置を備えたシールド掘進機
JP3184823B2 (ja) * 1999-02-02 2001-07-09 中黒建設株式会社 掘進機
DE60021664T2 (de) * 1999-08-24 2006-06-14 Nakakuro Construction Co Bagger

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206831C2 (de) 1992-01-23 1996-09-12 Ohbayashi Corp Verfahren zum Stützen der Ortsbrust und des anstehenden Grundwassers bei einem Erddruckschild

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2284360A1 (fr) * 2009-08-14 2011-02-16 Meyer & John GmbH & Co. KG Procédé d'avancée
WO2018028748A1 (fr) * 2016-08-08 2018-02-15 Gerhard Dorandt Tête de forage pour l'abattage de roche, machine de forage et procédé d'abattage de roche
WO2018103535A1 (fr) * 2016-12-05 2018-06-14 中铁工程装备集团有限公司 Disque de coupe de remplacement à pression normale
CN107965615A (zh) * 2017-11-16 2018-04-27 东北大学 具有探测和定向破除障碍功能的顶管机
CN107965615B (zh) * 2017-11-16 2019-08-06 东北大学 具有探测和定向破除障碍功能的顶管机
CN111577309A (zh) * 2020-05-07 2020-08-25 中国矿业大学 一种多滚刀分段式楔裂坚硬岩体方法
CN112160762A (zh) * 2020-10-13 2021-01-01 盾构及掘进技术国家重点实验室 一种高压水射流与滚刀复合破岩的掘进机刀盘

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Publication number Publication date
EP1092836A3 (fr) 2003-11-26

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