EP1359257A1 - Disposif et méthode pour forer dans le sol - Google Patents

Disposif et méthode pour forer dans le sol Download PDF

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Publication number
EP1359257A1
EP1359257A1 EP03009634A EP03009634A EP1359257A1 EP 1359257 A1 EP1359257 A1 EP 1359257A1 EP 03009634 A EP03009634 A EP 03009634A EP 03009634 A EP03009634 A EP 03009634A EP 1359257 A1 EP1359257 A1 EP 1359257A1
Authority
EP
European Patent Office
Prior art keywords
drill
yoke
drill strings
strings
drilling
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
EP03009634A
Other languages
German (de)
English (en)
Other versions
EP1359257B1 (fr
Inventor
Erwin Dipl.-Ing. Wirtsch.-Ing. Stötzer
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.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen GmbH
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
Priority claimed from DE10301072A external-priority patent/DE10301072A1/de
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Publication of EP1359257A1 publication Critical patent/EP1359257A1/fr
Application granted granted Critical
Publication of EP1359257B1 publication Critical patent/EP1359257B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E02D3/126—Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades

Definitions

  • the invention relates to a drilling device according to the preamble of claim 1 and a method for creating a Hole in the ground according to the preamble of claim 7.
  • DE 693 31 552 T2 and US 4,909,675 are generic Drilling devices with at least three arranged side by side, drivable driveline with one each Cutting device at its bottom end and at least known to a yoke.
  • the bottom end of the middle drill string is offset from the outer drill string.
  • the drill strings are rotatably supported in the yoke and coupled with each other. These drilling devices allow a rotating drive and simultaneous lowering of the side by side arranged drill strings, which is a particularly economical Creation of a drilling wall allowed.
  • yoke This is a bar-shaped component in which the drill strings are rotatably mounted and connected together. The yoke can still have the task of any remaining material webs shear between the adjacent holes and so to participate in the crushing of the soil material.
  • the area of the drill string from the drill tip to the yoke serves the so-called preparation of the soil, i.e. the Crushing the soil material and feeding the suspension.
  • preparation of the soil i.e. the Crushing the soil material and feeding the suspension.
  • the actual cutting devices for breaking and shearing of the soil at the top of the drill string is decisive, but also the adjacent conveyor coils, which are not one insignificant shear and thus crushing effect on the Exercise soil material.
  • the curable suspension is also fed.
  • the mixing elements are arranged in the area above the yoke, which for the best possible mixing and homogenization the curable suspension with the crushed Ensure floor material.
  • the invention has for its object to provide a drilling device and a method with which holes in the ground can be created particularly economically and with high directional stability.
  • the drilling device is characterized in that that the yoke in the area of the offset middle drill string has an entanglement in the direction of the offset. So the yoke is not designed as a straight bar, but points according to the offset of the middle Drill string an angular displacement, a so-called Entanglement. This allows the yoke to be arranged relatively close to the drill bits, resulting in good stiffening of the Drilling strands leads to each other near the cutting devices which are the greatest torques on the individual drill strings attack. At the same time, however, despite the axial offset the drill strings to each other straight in the offset drill string area sufficient space for the processing area ensures which one for as uniform as possible Crushing the soil material is necessary.
  • one Conventional straight beam yoke allows the invention Entangling a complete or at least partial Compensation of the different drill string lengths in the processing area.
  • the distance between the drill bits and the yoke can be so the same despite the axial misalignment of the individual drill strings or at least be approximately balanced.
  • the arrangement according to the invention is also in drilling devices Can be used with four, five or more drill strings.
  • the offset of the middle drill string or the middle drill strings can be designed so that they are axially longer or axially longer are shorter than the outer drill strings.
  • the drilling radii the cutting devices of the adjacent drill strings overlap.
  • the distance between the center axes is the Drill strings smaller than the bore diameter of each other respective cutting device.
  • the greater the degree of overlap the more even the thickness is within the created bore wall. If not or only slightly intersecting drilling radii can, however, also be cutting inserts be formed on the yoke, which for a constant as possible Provide drilling wall width.
  • a suspension feed for a curable suspension is provided on at least one of the drill strings.
  • the suspension feed is provided on the middle drill string formed, which in particular compared to the other drill strings is set back.
  • the feed takes place via a corresponding Pumping device over the tubular one Drill string, with the exit at or near the drill bit he follows.
  • the mixing elements can Mixing or delivery paddles, which are essentially radial protrude from the drill string. These ensure that the initiated Suspension with part of the crushed soil is mixed and largely homogenized.
  • a helix is arranged on the respective drill string is, whereby a processing area is formed below the yoke is.
  • the helical conveyor spiral is used for Removing the crushed soil material from the Cutting device and for further shredding of the machined material. At the same time takes place through the feed a first mixing of the suspension, the so-called preparation the mixture of the soil material and the suspension.
  • the conveyor spiral can have any length and also from segments with different pitch and diameter be constructed.
  • a particularly compact arrangement will follow of the invention achieved in that the conveyor spiral is not has more than one pitch. Already with a half to a pitch will reliably remove the soil material as well as a desired additional crushing effect reached.
  • the method according to the invention is characterized in that that the respective preparation areas of the individual drill strings below the yoke by swiveling the yoke in the direction of the offset of the middle drill string at least partially balanced.
  • This will create a achieved particularly uniform size reduction of the soil material, which is crucial for the creation of drilling walls Represents advantage.
  • the yoke can get very close to the drill bits are arranged, resulting in good stiffening and thus high directional stability when bringing down which contributes to drilling.
  • the two outer drill strings driven in an opposite direction of rotation become.
  • the suspension feed via the middle drill string is preferred according to the invention that the two outer drill strings driven in an opposite direction of rotation.
  • the drill strands can also be used be sunk at a continuous speed.
  • a drill 1 is to be created represented by mortar columns. This is done on a vertical Mast 2, which is also in two planes to the vertical axis is pivotable, a drilling device 3 is attached. On one are 2 movable carriage 4 along the drilling mast three rotary drives 5 ', 5' ', 5' '', each of which is a drive device 6 ', 6' ', 6' ''. The three rotary drives 5 ', 5' ', 5' '' are attached to a common slide 4 and can only be moved together along the mast 2.
  • To the cutting devices 10 ', 10' ', 10' '' there are conveyor coils 11 ', 11' ', 11' '', which have at most one to three pitch heights.
  • a common guide 13 of the three drill strings Above the conveyor coils 11 ', 11' ', 11' '' of the three drill strings 7 is a common guide 13 of the three drill strings. Above the common guide 13 are on the drill strings 7 ', 7' ', 7' '' paddle or mixing elements 14 attached, which mix the drilled drillings.
  • This Mixing elements 14 have a corresponding projection to the Spill over the area of influence in each case, as it is in height are arranged one above the other. Around the effective area of the paddle or To enlarge mixing elements 14, they are in a certain Angle to the horizontal plane. So that's it possible to make a wall from overlapping mortar columns.
  • the length of the mixing area on the drill strings 7 ', 7' ', 7 '' ' has a smaller share in the total length of the Drill strings to ensure sufficient torques for the mixing of the To be able to apply soil.
  • Located above the paddle assembly a common tour 15 for the three Boring.
  • This guide 15 is movable on the three Drill strings 7 ', 7' ', 7' '' and can extend along the remaining length of the three drillstrings move.
  • the movable guide 15 has a funnel-shaped shape 16, with which they are Drilling the drill strings into a funnel-shaped receptacle 17 engages which rigidly attached to the lower end of the drilling mast 2 is. This will remove the three drill strings during the entire drilling process and can be provided by the intended Do not deviate drilling direction.
  • the suspension is fed either via the middle one Drill string 7 '' 'or over all three drill strings 7', 7 '', 7 '' '.
  • the suspension is in the area of the tips 9 ', 9' ', 9' '' fed to the drilling material.
  • the outlet openings for the suspension is located on the middle drill string 7 '' ' in its lower area. All outlet openings are against Blockage protected by drillings when drilling and located in an area protected from drilling material.
  • a rigid beam-shaped yoke 20 is provided. This points a storage area 26 for each of the three drill strings 7, in which the drill strings 7 are each rotatable and axially fixed are stored. Despite the backset of the middle drill string 7 '' 'will be sufficient space for the conveyor spiral 11 '' 'achieved according to the invention in that in a medium A region 22 of the yoke 20 is provided is.
  • the entanglement 22 consists of two angled webs, which the two outer bearing areas 26 with the middle Connect storage area 26.
  • the processing area is decisive for cutting open and crushing the soil as well for a first mixing of the crushed soil material with suspension.
  • Through the entanglement according to the invention 22 on the yoke 20 can the processing of the crushed soil in the processing area on all three drill strings 7 largely done evenly.
  • Even preparation is beneficial for creating a uniform, high quality foundation column or foundation wall.
  • Edges 24 are formed on the interlocking 22 of the yoke 20, which, according to the angulation, in a 45 Angle to the drill string axis. This angled arrangement the edges 24 are for shearing off remaining webs of soil material between the adjacent holes advantageous. Angling the edges 24 facilitates shearing remaining webs and thus relieved overall bringing down the drilling device.
  • the one shown only partially closes Mixing area, which consists of an arrangement of paddle-shaped Mixing elements on the drillstrings 7.
  • Mixing area which consists of an arrangement of paddle-shaped Mixing elements on the drillstrings 7.
  • To the Compensation of the entanglement 22 on the yoke 20 are on the two outer drill strings 7 ', 7' 'immediately after the yoke 20 each has an additional conveyor helix 19 ', 19' ' trained with about a pitch.
  • the lower part of the drilling device with the yoke 20 and the lower ends of each Drill strings 7 can be formed as a separate part, which via a schematically illustrated shaft-hub connection 28 axially pushed onto the drill strings 7 and can be connected to them in a rotationally fixed manner.
  • the illustrated invention is a method to create an overcut bored pile wall, for example from mortar columns.
  • a pre-digging trench created.
  • predefined depth drilled which is roughly the length of the Conveying helix 11 ', 11' ', 11' '' and the one with mixing elements 14 occupied part of the drill strings 7 ', 7' ', 7' '' oriented.
  • the Drilling is done in such a way that no soil is extracted becomes.
  • the top of the three drill strings or just at the top of the middle one Drill string 7 '' 'suspension added and the drilling device 3 while rotating the drill strings 7 ', 7' ', 7' 'and subsequently drilled again to the specified depth.
  • the Suspension is a water-binder mixture, that is self-curing. This process is repeated several times repeated until the suspension liquefies the soil. there just as much suspension is added as in the pore volume of the soil can be absorbed. The mixing process is like this continued for a long time until suspension emerges in the pre-ditch.
  • This procedure is used in the following depth ranges repeated until the desired final depth is reached. It is a continuous drilling and mixing process. When pulling the drill pipe, sand or another can Material is blown in to a special strength to reach the foundation pillar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
EP03009634A 2002-05-02 2003-04-29 Disposif et méthode pour forer dans le sol Expired - Lifetime EP1359257B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10219742 2002-05-02
DE10219742 2002-05-02
DE10301072A DE10301072A1 (de) 2002-05-02 2003-01-14 Bohrvorrichtung und Verfahren zum Erstellen einer Bohrung im Boden
DE10301072 2003-01-14

Publications (2)

Publication Number Publication Date
EP1359257A1 true EP1359257A1 (fr) 2003-11-05
EP1359257B1 EP1359257B1 (fr) 2005-07-06

Family

ID=29216856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03009634A Expired - Lifetime EP1359257B1 (fr) 2002-05-02 2003-04-29 Disposif et méthode pour forer dans le sol

Country Status (6)

Country Link
EP (1) EP1359257B1 (fr)
JP (1) JP3830460B2 (fr)
AT (1) ATE299205T1 (fr)
ES (1) ES2244857T3 (fr)
HK (1) HK1058954A1 (fr)
SG (1) SG102712A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1741836A1 (fr) * 2005-06-28 2007-01-10 SOILMEC S.p.A. Dispositif et procédé pour la réalisation en place de colonnes de sol stabilisé
CN106049474A (zh) * 2016-06-29 2016-10-26 滕彦斐 凹圆十字钻机
CN106049475A (zh) * 2016-06-29 2016-10-26 滕彦斐 一种矩形钻机
CN105178297B (zh) * 2015-08-09 2016-11-30 重庆晨宇机床制造有限公司 八边形搅拌桩墙机的一种用法
WO2018090859A1 (fr) * 2016-11-18 2018-05-24 中国矿业大学 Système et procédé, sur la base de vision artificielle et de fusion multi-capteurs, pour fonctionnement automatique de machine d'exploitation minière de charbon
CN108894725A (zh) * 2018-08-07 2018-11-27 江西基良工程机械设备有限公司 用于基坑连续咬合桩挡墙的钻孔机
CN111962609A (zh) * 2020-08-27 2020-11-20 王旭 一种基于生态恢复的移动式地下水填充设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101700848B1 (ko) * 2016-04-14 2017-02-01 조준열 오거 파일

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55159017A (en) * 1979-05-25 1980-12-10 Kawasaki Heavy Ind Ltd Improving apparatus for soft ground at sea bed
US4909675A (en) 1988-08-24 1990-03-20 Osamu Taki In situ reinforced structural diaphragm walls and methods of manufacturing
DE4219150C1 (en) 1992-06-11 1993-09-23 Bauer Spezialtiefbau Gmbh, 86529 Schrobenhausen, De Underground mortar column prodn. - by drilling with auger through which hardenable suspension is fed
JPH0827772A (ja) * 1994-07-20 1996-01-30 Nippon Concrete Ind Co Ltd 地盤改良用混合攪拌装置
JPH10292362A (ja) * 1997-04-11 1998-11-04 Takenaka Doboku Co Ltd 地盤改良用の多軸同期装置及びこれを利用した多軸混合処理機とケーシングパイプ式地盤改良装置
DE69331552T2 (de) 1993-10-22 2002-08-08 Chemical Grout Co Mehrwellenaushubsvorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850217A (ja) * 1981-09-22 1983-03-24 Asuku Kenkyusho:Kk 削孔混練機
US5417522A (en) * 1993-09-23 1995-05-23 S. M. W. Seiko Soil fragmentation members and multiple lateral support structures for improved soil mixing and efficient boring for use on multi-shaft auger soil mixing apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55159017A (en) * 1979-05-25 1980-12-10 Kawasaki Heavy Ind Ltd Improving apparatus for soft ground at sea bed
US4909675A (en) 1988-08-24 1990-03-20 Osamu Taki In situ reinforced structural diaphragm walls and methods of manufacturing
DE4219150C1 (en) 1992-06-11 1993-09-23 Bauer Spezialtiefbau Gmbh, 86529 Schrobenhausen, De Underground mortar column prodn. - by drilling with auger through which hardenable suspension is fed
DE69331552T2 (de) 1993-10-22 2002-08-08 Chemical Grout Co Mehrwellenaushubsvorrichtung
JPH0827772A (ja) * 1994-07-20 1996-01-30 Nippon Concrete Ind Co Ltd 地盤改良用混合攪拌装置
JPH10292362A (ja) * 1997-04-11 1998-11-04 Takenaka Doboku Co Ltd 地盤改良用の多軸同期装置及びこれを利用した多軸混合処理機とケーシングパイプ式地盤改良装置

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 005, no. 033 (M - 057) 28 February 1981 (1981-02-28) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 05 31 May 1996 (1996-05-31) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 02 26 February 1999 (1999-02-26) *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1741836A1 (fr) * 2005-06-28 2007-01-10 SOILMEC S.p.A. Dispositif et procédé pour la réalisation en place de colonnes de sol stabilisé
CN105178297B (zh) * 2015-08-09 2016-11-30 重庆晨宇机床制造有限公司 八边形搅拌桩墙机的一种用法
CN106049474A (zh) * 2016-06-29 2016-10-26 滕彦斐 凹圆十字钻机
CN106049475A (zh) * 2016-06-29 2016-10-26 滕彦斐 一种矩形钻机
WO2018090859A1 (fr) * 2016-11-18 2018-05-24 中国矿业大学 Système et procédé, sur la base de vision artificielle et de fusion multi-capteurs, pour fonctionnement automatique de machine d'exploitation minière de charbon
CN108894725A (zh) * 2018-08-07 2018-11-27 江西基良工程机械设备有限公司 用于基坑连续咬合桩挡墙的钻孔机
CN108894725B (zh) * 2018-08-07 2024-03-29 江西基业良工桩机制造有限公司 用于基坑连续咬合桩挡墙的钻孔机
CN111962609A (zh) * 2020-08-27 2020-11-20 王旭 一种基于生态恢复的移动式地下水填充设备

Also Published As

Publication number Publication date
ATE299205T1 (de) 2005-07-15
HK1058954A1 (en) 2004-06-11
SG102712A1 (en) 2004-03-26
JP3830460B2 (ja) 2006-10-04
EP1359257B1 (fr) 2005-07-06
ES2244857T3 (es) 2005-12-16
JP2003328386A (ja) 2003-11-19

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