EP1626127B1 - Fräsvorrichtung und Verfahren zum Erstellen eines Fräslochs - Google Patents

Fräsvorrichtung und Verfahren zum Erstellen eines Fräslochs Download PDF

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Publication number
EP1626127B1
EP1626127B1 EP04018932A EP04018932A EP1626127B1 EP 1626127 B1 EP1626127 B1 EP 1626127B1 EP 04018932 A EP04018932 A EP 04018932A EP 04018932 A EP04018932 A EP 04018932A EP 1626127 B1 EP1626127 B1 EP 1626127B1
Authority
EP
European Patent Office
Prior art keywords
cutting
support
wheels
cutting wheels
milling
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.)
Expired - Fee Related
Application number
EP04018932A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1626127A1 (de
Inventor
Maximilian Michael Dipl.-Ing. Arzberger (FH)
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
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to DE502004005270T priority Critical patent/DE502004005270D1/de
Priority to EP04018932A priority patent/EP1626127B1/de
Priority to CA002512756A priority patent/CA2512756C/en
Priority to US11/189,815 priority patent/US7363990B2/en
Priority to RU2005124849/03A priority patent/RU2307226C2/ru
Priority to JP2005229892A priority patent/JP4336334B2/ja
Priority to CN200510092616.7A priority patent/CN1734023B/zh
Publication of EP1626127A1 publication Critical patent/EP1626127A1/de
Application granted granted Critical
Publication of EP1626127B1 publication Critical patent/EP1626127B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines

Definitions

  • the invention relates to a milling device for drilling a milling hole in the ground according to the preamble of claim 1.
  • the invention further relates to a method for creating a milling hole in the ground according to the preamble of claim 11.
  • a known milling device has inter alia a carrier on which at least two cutting wheels are rotatably mounted about a Fräsradformatachse, and at least one Fräsradantriebs adopted for rotationally driving the cutting wheels on the carrier.
  • a generic method is provided, inter alia, that at least two rotatably mounted on a carrier cutting wheels are offset by a Fräsradantriebs adopted by one Fräsradwindachse in rotation, and the carrier is driven with the cutting wheels in a Abteufraum in the ground.
  • trench wall cutters For creating milling holes with rectangular Fräslochquerites are for example from the EP 0 735 199 B1 Trench wall milling known.
  • Such trench wall cutters have two staggered pairs of cutting wheels, which rotate in opposite directions on parallel, horizontal axes. In this case soil is detached at the cutting wheels and conveyed into an intermediate space between the two cutting wheels, from where it is transported by means of a suction device upwards.
  • a milling head and a method for producing milling holes with round Fräslochquerrough in the ground are from the EP 0 819 819 B1 known.
  • the from the EP 0 819 819 B1 known milling head has four cutting wheels which are rotatably mounted about a common Fräsradachse, which is directed radially to Abteufraum the milling head.
  • To form a round Fräskopfquerroughes taper the diameter of the cutting wheels, starting from the center of the milling head in the axial direction of the common Fräsradachse.
  • the device has at least two drum-like Abtragungsköpfe, the drum rotation axes are arranged substantially horizontally and in parallel.
  • the ablation heads can be rotatably mounted about a vertical axis. This can be used to change the radial position of the milling heads before they are lowered.
  • the US-A 4,904,119 discloses a milling device with four milling drums, which together form an approximately circular milling cross section.
  • the US 3,391,751 describes a drilling apparatus having a driven shaft and a tubular housing arranged for counter rotation with respect to the shaft. On the housing, a plurality of cutting tools is rotatably mounted.
  • the object of the invention is to provide a milling device and a method for creating a milling hole in the ground, with which milling holes can be produced in a variety of soil geologies in a particularly faster, safer and more economical way.
  • a first basic idea of the invention can be seen in a drive device with which the carrier together with the at least two cutting wheels can be set into a rotational movement.
  • the relative position of the cutting wheels with respect to the ground can be varied.
  • a milling hole with a round milling hole cross section can be created without the cutting wheels themselves having to have a round cross section, ie a tapering diameter.
  • particularly suitable cutting wheel shapes can be selected, for example, an approximately rectangular Fräsradquerites can be provided.
  • the milling device can in particular be designed so that upon rotation of the carrier by means of the drive means only about a quarter of the total circumference of the cutting wheels is engaged with the upcoming soil material.
  • the milling device according to the invention can thus be referred to as a partially cut-milling device, in which the maximum dimensions of the cutting wheels are smaller than the cross section of the milling hole.
  • full-cut milling devices in which about half or more of Fräsradformerlyes attacking the pending ground, in a milling device according to the invention is given a smaller contact area with the upcoming ground and therefore to achieve the same contact pressure of the cutting wheels on Fräslochground a correspondingly lower contact force in Abteufraum required.
  • the contact pressure can remain essentially the same, in particular even when the milling hole diameter and / or the cutting wheel diameter change.
  • the milling device according to the invention is particularly suitable for the production of foundation elements, in particular of piles, in the ground and can therefore also be referred to as a pile cutter.
  • the foundation elements can also be incorporated into rocky soils.
  • the carrier axis of rotation extends in this Abteufraum and forms the longitudinal axis of the milling hole.
  • the cutting wheels and / or their Fräsradwindachsen are arranged symmetrically to the carrier axis of rotation.
  • the angle between the Fräsradwindachsen and the carrier axis of rotation about 90 °.
  • the Fräsradwindachsen are arranged with an offset to the support axis of rotation, which can be achieved particularly large Fräsloch bemesser.
  • a preferred development of a milling device is that a pivoting device is provided with which at least one of the cutting wheels on the carrier is pivotable, in particular corschwenkbar.
  • pivoting can be understood in particular a change in the angle between the Fräsradcardachse the at least one cutting wheel and the carrier axis of rotation.
  • an external point of application of this cutting wheel on the upcoming floor with respect to the carrier and / or the carrier axis of rotation can be changed and thus the current cutting radius can be varied.
  • the at least one cutting wheel can be pivoted depending on the depth and thus a milling hole can be obtained whose diameter varies over the depth.
  • milling holes can be produced, which are widened at the bottom of the milling hole to form a pile base.
  • milling hole sealing elements in particular brine elements, are produced.
  • Due to the pivotable arrangement of at least one of the cutting wheels a particularly large excavation area can be covered in a particularly compact design of the milling device.
  • the pivoting device advantageously has a bearing device, by means of which the at least one cutting wheel is pivotally mounted about a horizontal axis.
  • the pivoting device suitably has a pivoting drive, in particular with at least one hydraulic pivoting cylinder, for the driven pivoting of the at least one cutting wheel.
  • both cutting wheels are pivotable on the carrier, wherein the pivoting is suitably carried out simultaneously and preferably about a common horizontal pivot axis.
  • pivoting can be understood in particular that the at least one cutting wheel is lifted during pivoting with respect to the ground of the milling hole.
  • a particularly useful development of a milling device according to the invention is further characterized in that the carrier is arranged on the end side of a pipe string.
  • This pipe string which in particular can lead to a construction equipment arranged outside the milling hole, can be used to transmit ballast forces, i. of contact forces, to serve the carrier with the cutting wheels.
  • the milling device can also be suspended, for example, on a carrying part.
  • a particularly versatile milling device is given by the fact that the carrier with respect to the pipe frame by means of a pivot drive is pivotable.
  • a running of the milling device during their operation can be particularly effective reduced by the fact that the carrier and / or the pipe string a guide device, in particular a guide ring, is provided for supporting the carrier or the pipe string on a perforated wall.
  • a guide device suitably has guide shoes which are provided for contact with the perforated wall of the milling hole and which are connected to the carrier and / or the pipe string via struts extending radially to the carrier axis of rotation.
  • the guide shoes are designed in the form of a guide ring, which can also be executed interrupted. If the milling hole is produced with the introduction of a support tube, the guide device can also be provided for supporting on this support tube.
  • the guide device when the milling device is designed for producing milling holes with a variable milling hole diameter, it may be advantageous for the guide device to be designed to be adjustable in diameter.
  • an adjusting device may be provided, with which the length of the struts on which the guide shoes are arranged, is variable. If a guide ring is provided, this may be formed segment-like for diameter adjustment.
  • a particularly precise guidance of the milling device according to the invention when drilling the milling hole can be given by the fact that a clamping device for fixing the pipe string is provided in a support tube, and that the pipe string is axially extendable for propelling the carrier.
  • the pipe frame can be kept particularly short and thus a running of the milling device can be effectively reduced.
  • hydraulic pressure cylinders are suitably provided for axial lengthening of the pipe string.
  • the contact pressure is at least partially applied by the pressure cylinder. In principle, however, even the weight of the milling device can be sufficient for a sufficient contact pressure.
  • the drive means between the pipe string and the carrier and / or in an upper region of the pipe string is arranged.
  • the drive device is arranged in the upper region, this can advantageously also be provided outside the milling hole, in particular on a construction device.
  • the drive device and / or the Fräsradantriebs suitably have hydraulic motors.
  • the drive device and the Fräsrad may also be formed with a common motor.
  • the cutting wheel drive device can be provided, for example, on the carrier, but also on the upper region of the pipe string.
  • the milling device is further characterized in that the Fräsradwindachse is arranged at least one cutting wheel relative to the carrier axis of rotation with an offset, and that in particular a Fräsradversatzantrieb is provided for changing the offset. Due to the offset of the at least one cutting wheel whose point of attack on the upcoming soil material with respect to the support axis of rotation is displaced radially outward, with the result that the milling cross-section is increased at the same Fräsrad fashionr. It is particularly advantageous in terms of force symmetry that both cutting wheels are arranged with the same offset relative to the carrier axis of rotation.
  • the Fräsradwindachsen are pre-offset relative to the carrier axis of rotation in the direction of rotation of the carrier.
  • the cutting wheel offset drive makes it possible to change the offset, in particular during the lowering of the milling device and thus to produce a milling hole with a variable hole diameter.
  • the cutting wheel offset drive is designed to simultaneously and similarly change the offset of all Fräsradwindachsen.
  • a milling device with a particularly good milling progress can be obtained according to the invention in that the cutting wheels are designed as Fräsradcrue with two Einzelfräsckenn, and that the Einzelfräsmod the Fräsradforme are each mounted on a bearing plate, which is pivotally mounted on the carrier.
  • a structurally particularly simple milling device can be obtained in that the two individual milling wheels each Fräsradschreibes each have an identical axis of rotation.
  • each pair of cutting wheels on their own Fräsradantriebsmotor which may be provided in particular on the common bearing plate. It is particularly preferred that all bearing plates are mounted pivotably about a common horizontal pivot axis.
  • a particularly good milling progress can also be given according to the invention in that the cutting wheels have milling tools on the circumferential and / or front side.
  • the milling tools can be configured for example as a milling teeth or milling rollers.
  • An end-face arrangement of the milling tools is particularly advantageous if the cutting wheels are pivotally mounted on the carrier, since the cutting wheels during pivoting during the drilling of the cutting device can also be frontally engaged with the upcoming soil material.
  • the cutting wheels themselves are suitably at least approximately cylindrical, wherein between the peripheral surface, which may also be referred to as a cylinder jacket, and the end face advantageously a beveled intermediate region is provided.
  • the cutting wheels are suitably rotated in the same direction or in opposite directions, that the mined soil material is fed to a arranged on the carrier suction port of a pump.
  • the cutting wheels in particular the individual milling wheels, can advantageously be provided exchangeably on the carrier.
  • the cutting wheels can be particularly simple, for example, by cutting wheels with different Fräsrad bemesser, replaced and thus the Fräsloch bemesser be changed.
  • the cutting wheels can be replaced by wheels with different milling tools when encountered in the course of the milling process on a modified soil geology. By replacing the cutting wheels thus milling holes can be created with a particularly large diameter and incorporated into rock.
  • the support is simultaneously rotated together with the cutting wheels by means of a drive means about a support axis of rotation, which is directed approximately parallel to the Abteufraum.
  • a drive means about a support axis of rotation, which is directed approximately parallel to the Abteufraum.
  • a particularly preferred development of the method according to the invention is characterized in that at least one of the cutting wheels, in particular as a function of the angle of rotation of the carrier about the carrier axis of rotation, pivoted on the carrier, in particular is pivoted up.
  • pivoting the at least one cutting wheel it is possible to change the erosion radius of the cutting wheel momentarily and thus to vary the milling hole diameter depending on the depth of the milling hole. This makes it possible, for example, to produce undercut pile bores, which are widened in particular in the foot area.
  • the rotation angle-dependent pivoting of the cutting wheel also makes it possible to produce milling holes with round Fräslochqueritesen that differ from a circular shape.
  • milling holes and foundation piles can be made with elliptical cross-section, which can lead to material savings in large pile diameters and corresponding planforms. It is particularly advantageous that both cutting wheels are pivoted simultaneously and symmetrically. The simultaneous pivotal movement of both cutting wheels can also be referred to as spreading. While an adjustability of the cutting wheels can be given about a vertical axis by the drive means, an adjustment can be given about a horizontal axis by the pivoting means. By overlaying the two adjustment options, the milling hole cross section can be varied in a particularly diverse manner.
  • FIGS. 1 to 5 A milling device according to the invention is shown in FIGS. 1 to 5.
  • the milling device has a frame 20 formed as a carrier, on the bottom side two cutting wheels 1, 2 are mounted rotatably about Fräsradwindachsen 51, 52.
  • the cutting wheels 1, 2 are formed as Fräsradfare, wherein the cutting wheel 1 has two Einzelfräscken 11, 11 'and the cutting wheel 2 two Einzelfräs impart 12, 12'.
  • the Einzelfräscken 11, 11 ' are both sides of a bearing plate 21 and the Einzelfräscken 12, 12' mounted on both sides of another bearing plate 22.
  • a cutting wheel drive device with two hydraulic rotary motors 71, 72 is provided, which is arranged on the upper side on the end plates 21 and 22 are. Furthermore, a drive unit designed as a pump device 75 is provided on the carrier 20.
  • the carrier 20 is fixed against rotation at the lower end of a pipe string 8.
  • a drive device not shown in the figures, the pipe string 8 and thus the carrier 20 can be rotated about a support axis of rotation 56 in rotation in the direction of rotation D.
  • the cutting wheels 1, 2, which rotate about the cutter wheel axes 51, 52, describe a circular path on which they remove soil material.
  • Simultaneously with the rotational movement about the carrier axis of rotation 56 of the carrier 20 is advanced in Abteufraum T.
  • This feed can be done solely on the basis of the weight of the milling device or due to a feed drive, which exerts a loading force on the pipe frame 8.
  • Via an inlet opening 25, which is provided on the frame 20 between the cutting wheels 1, 2, support and / or cutting fluid can be introduced into the milling hole during the milling process and / or removed therefrom.
  • the support axis of rotation 56 extends centrally in the pipe string 8 in the direction of departure T. It forms the longitudinal axis of a generated during rotation of the carrier 20 with a circular hole cross-section.
  • the cutting wheels 1, 2 are arranged symmetrically to the carrier axis of rotation 56. In the untwisted state of the cutting wheels 1, 2, their Fräsradwindachsen 51, 52 extend parallel to each other and close this with the carrier axis of rotation 56 at an angle of about 90 °.
  • the cutting wheels 1, 2 are arranged in advance with their Fräsradwindachsen 51, 52 with respect to the support axis of rotation 56 in the direction of rotation D that the Fräsradwindachse 51 with respect to the support axis of rotation 56 with an offset X1 and the Fräsradwindachse 52 with respect to the support axis of rotation 56 at an offset X2 spaced, wherein the offset X1 is equal to the offset X2.
  • This can be seen in particular in FIGS. 1 and 5.
  • the cutting wheels 1, 2 on the carrier 20 about a common, horizontal pivot axis 60th pivoted.
  • the end plates 21, 22 are articulated on the carrier 20 via lateral, L-shaped lever arms 65.
  • a pivoting device with two hydraulic cylinders 61, 62 is provided, which are articulated at its one end to the carrier 20 and at its other end to the end plates 21 and 22 respectively.
  • the lever arms 65 are pivoted with the end plates 21, 22 and the Einzelfräsizern 11, 11 ', 12, 12' about the common pivot axis 60 upwards. In this pivoted state, which is shown in dashed lines in Fig.
  • a guide ring 31 is arranged on this carrier 20 via four struts 32 running radially to the carrier axis of rotation 56.
  • the carrier 20 may be supported on the Fräslochwand.
  • FIGS. 6 to 8 A milling pattern, which results at the bottom of a milling hole when sinking a milling device according to the invention with partially raised cutting wheels 1, 2, is shown in FIGS. 6 to 8. Between the two cutting wheels 1, 2, a conical projection 80 forms on the bottom of the milling hole. This conical projection 80 is processed by the end faces of the internal Einzelfräsizer 11 ', 12'.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Road Repair (AREA)
  • Milling Processes (AREA)
  • Drilling And Boring (AREA)
EP04018932A 2004-08-10 2004-08-10 Fräsvorrichtung und Verfahren zum Erstellen eines Fräslochs Expired - Fee Related EP1626127B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE502004005270T DE502004005270D1 (de) 2004-08-10 2004-08-10 Fräsvorrichtung und Verfahren zum Erstellen eines Fräslochs
EP04018932A EP1626127B1 (de) 2004-08-10 2004-08-10 Fräsvorrichtung und Verfahren zum Erstellen eines Fräslochs
CA002512756A CA2512756C (en) 2004-08-10 2005-07-21 Cutting device and method for producing a cut hole
US11/189,815 US7363990B2 (en) 2004-08-10 2005-07-27 Cutting device and method for producing a cut hole
RU2005124849/03A RU2307226C2 (ru) 2004-08-10 2005-08-04 Фрезерное устройство и способ проходки скважины фрезерованием
JP2005229892A JP4336334B2 (ja) 2004-08-10 2005-08-08 掘削装置および掘削孔の形成方法
CN200510092616.7A CN1734023B (zh) 2004-08-10 2005-08-10 用于产生钻孔的挖掘装置和方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04018932A EP1626127B1 (de) 2004-08-10 2004-08-10 Fräsvorrichtung und Verfahren zum Erstellen eines Fräslochs

Publications (2)

Publication Number Publication Date
EP1626127A1 EP1626127A1 (de) 2006-02-15
EP1626127B1 true EP1626127B1 (de) 2007-10-17

Family

ID=34926116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04018932A Expired - Fee Related EP1626127B1 (de) 2004-08-10 2004-08-10 Fräsvorrichtung und Verfahren zum Erstellen eines Fräslochs

Country Status (7)

Country Link
US (1) US7363990B2 (ja)
EP (1) EP1626127B1 (ja)
JP (1) JP4336334B2 (ja)
CN (1) CN1734023B (ja)
CA (1) CA2512756C (ja)
DE (1) DE502004005270D1 (ja)
RU (1) RU2307226C2 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2364079B (en) * 2000-06-28 2004-11-17 Renovus Ltd Drill bits
DE502004005279D1 (de) * 2004-08-23 2007-11-29 Bauer Maschinen Gmbh Vorrichtung und Verfahren zum Erstellen einer Schlitzwand im Erdboden
JP2009167613A (ja) * 2008-01-11 2009-07-30 Hiroshi Onodera 切削アタッチメント
FR2944299B1 (fr) * 2009-04-10 2016-08-26 Cie Du Sol Machine d'excavation de sol du type fraise munie d'un chariot mobile
DK177094B1 (en) 2009-09-15 2011-08-22 Ecomove Aps A transport means and a vehicle
CN103660047B (zh) * 2013-12-20 2016-06-22 陈立军 孔底岩石切割机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391751A (en) * 1967-06-26 1968-07-09 Michael R. Caro Drilling apparatus

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161521B (en) * 1984-05-29 1987-11-25 Claude Sourice A process and device for sinking wells
FR2605657A1 (fr) * 1986-10-22 1988-04-29 Soletanche Procede pour la realisation d'un pieu dans le sol, machine de forage et dispositif pour la mise en oeuvre de ce procede
JP2765401B2 (ja) * 1992-10-05 1998-06-18 株式会社大林組 変断面地中壁用掘削装置
DE29505263U1 (de) 1995-03-28 1995-05-24 Bauer Spezialtiefbau Schlitzwandfräse
US5735359A (en) * 1996-06-10 1998-04-07 Weatherford/Lamb, Inc. Wellbore cutting tool
CA2210442C (en) 1996-07-16 2004-05-04 Bauer Spezialtiefbau Gmbh A cutter head, boring jig and device and process for sea bottom boring
GB2316964B (en) * 1996-09-04 2000-06-07 Bulroc Drill means
CN2477707Y (zh) * 2001-05-11 2002-02-20 河北省建筑勘察研究院 一种基础施工扩底桩扩底装置
CN1281844C (zh) * 2003-09-19 2006-10-25 郭明洙 钻扩机

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391751A (en) * 1967-06-26 1968-07-09 Michael R. Caro Drilling apparatus

Also Published As

Publication number Publication date
US20060032671A1 (en) 2006-02-16
CA2512756C (en) 2008-07-08
JP2006052636A (ja) 2006-02-23
RU2307226C2 (ru) 2007-09-27
CN1734023B (zh) 2010-05-05
EP1626127A1 (de) 2006-02-15
JP4336334B2 (ja) 2009-09-30
RU2005124849A (ru) 2007-02-10
CN1734023A (zh) 2006-02-15
CA2512756A1 (en) 2006-02-10
US7363990B2 (en) 2008-04-29
DE502004005270D1 (de) 2007-11-29

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