EP1666671B1 - Fraise pour paroi moulée - Google Patents

Fraise pour paroi moulée Download PDF

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Publication number
EP1666671B1
EP1666671B1 EP04028687.4A EP04028687A EP1666671B1 EP 1666671 B1 EP1666671 B1 EP 1666671B1 EP 04028687 A EP04028687 A EP 04028687A EP 1666671 B1 EP1666671 B1 EP 1666671B1
Authority
EP
European Patent Office
Prior art keywords
lubricant
cutting wheel
trench wall
wall cutter
cutter according
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
EP04028687.4A
Other languages
German (de)
English (en)
Other versions
EP1666671A1 (fr
Inventor
Maximilian Arzberger
Ignaz Seitle
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 EP04028687.4A priority Critical patent/EP1666671B1/fr
Priority to US11/289,870 priority patent/US7363734B2/en
Priority to JP2005347904A priority patent/JP4271182B2/ja
Priority to KR1020050116803A priority patent/KR100683576B1/ko
Priority to CN200510128997A priority patent/CN100582394C/zh
Publication of EP1666671A1 publication Critical patent/EP1666671A1/fr
Application granted granted Critical
Publication of EP1666671B1 publication Critical patent/EP1666671B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • 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
    • 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
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis

Definitions

  • the invention relates to a trench cutter with a trimming frame, at least one bearing plate, which is arranged on the trimming frame, at least one arranged on the bearing plate axis, at least one cutting wheel with a Fräsradnabe, which is rotatably mounted on at least one bearing on the axis, a drive means for rotationally driving the at least one cutting wheel, a drive train arranged at the top of the bearing plate and at least one sealing element arranged between the bearing plate and the cutting wheel for sealing the bearing against the surroundings of the trench wall cutter.
  • a Fräsradantrieb is arranged for rotationally driving the cutting wheels above the bearing plate on the cutter frame.
  • a drive shaft is provided which extends in a tubular drive train in the bearing plate.
  • From the EP-A-0 518 293 is a milling frame for a trench wall cutter with oil-lubricated bearing seals for the cutting wheels and with a regulated hydraulic pressure compensation device for the bearing seals described.
  • the bearing seals are connected via lines with a pressure-resistant oil reservoir, wherein vertically below the oil reservoir, a buffer space is present, which is open at the bottom and filled with air, where it is the external pressure is exposed.
  • the oil reservoir and the buffer space are connected to each other via a longitudinally displaceable piston and the piston is biased by a compression spring in the direction of the oil reservoir.
  • the object of the invention is to provide a particularly reliable and economically operable trench wall cutter.
  • the trench wall cutter according to the invention has at least one lubricating device for feeding Lubricant to the sealing element, and has a Schmierstoffein lecturö réelle, which is located above the cutting wheel.
  • a basic idea of the invention can be seen to provide a lubricating device for lubricating the sealing element, wherein the lubricating device has an insertion opening for lubricant, which is arranged in an area spaced from the Fräsradnabe area.
  • Such an arrangement of the lubricant inlet opening is particularly advantageous if the sealing element is covered by the cutting wheel and / or the bearing plate to the environment.
  • a lubricating device for example a lubricating nipple
  • a lubricant introduction opening directly on the sealing element
  • the inventive arrangement of the lubricant inlet opening also allows a continuous supply of lubricant in the lubricating device, whereby a particularly reliable lubrication of the sealing element and thus a particularly reliable milling operation is made possible.
  • the lubricant can be supplied with rotating gear and / or cutting wheel, in particular in the milling operation, which allows a particularly uniform distribution of the lubricant on the sealing element even at low Einpresswith. Local overloads on the sealing element can be largely avoided.
  • the lubricant may be, for example, an oil and / or a grease.
  • Under the drive train can be understood in particular according to the invention arranged between the milling frame and the end shield device, which serves for supplying drive energy from the milling frame to the cutting wheel.
  • a drive shaft may be provided in the drive train, which connects a drive motor arranged on the milling frame with the cutting wheel.
  • hydraulic pressure lines for supplying a drive motor arranged on the bearing plate for the cutting wheel can also be provided in the drive train.
  • the drive train may be formed as a recess, for example as a bore in the bearing plate.
  • a structurally particularly simple trench wall cutter is provided according to the invention in that the lubrication device has at least one lubricant supply channel, on which end the lubricant introduction opening is arranged, the lubricant supply channel running at least in sections along the drive train in the bearing plate.
  • the lubricant feed channel has a bore which is introduced into the bearing plate.
  • the bore extends from the circumference of the bearing plate in the direction of the axis.
  • a connection device for a lubricant delivery device for example a pump, may be provided at the lubricant inlet opening.
  • the connection device can be designed as a hose connection for connecting a lubricant hose.
  • the lubricant supply channel may in particular be arranged axially parallel to the drive train, which may be formed, for example, in cross-section at least partially circular, quadrangular or hexagonal.
  • the lubricant supply channel forms an acute angle with the drive train. This angle is preferably between 10 and 45 °, preferably between 18 and 28 °, in particular 22.5 °.
  • a preferred embodiment of the invention is that the lubricant inlet opening is arranged on the circumference of the bearing plate. Such an arrangement of the lubricant introduction opening further simplifies the lubricant supply into the lubricant supply channel and thus to the sealing element.
  • the circumference of the endshield can be understood to mean an outer side of the endshield which circumscribes the endshield, in particular about an axis of rotation of the at least one cutting wheel.
  • the end shield can also be referred to as a milling blade.
  • a particularly reliable trench wall cutter is characterized in that the lubricating device has at least one preferably at least approximately parallel to the axis extending lubricant outlet channel, on the end and in particular above the sealing element an outlet opening for the lubricant is provided.
  • the lubricant outlet channel is suitably in line connection with the lubricant supply channel and / or the lubricant inlet opening.
  • the outlet opening is arranged in an upper region of the bearing plate above the axis.
  • the outlet opening for the lubricant can be provided outside a sealing space, ie outside such a space, which is separated by the sealing element from the surroundings of the trench wall cutter.
  • This sealing space that is arranged at least one bearing.
  • the outlet opening can also be arranged within the sealing space. If the outlet opening is outside the sealing space, this is suitably provided in an upper area of the sealing element. If, however, the outlet opening is provided inside the sealing space, this is suitably in a lower area of the sealing element arranged.
  • the lubricant outlet channel advantageously has a bore which, for particularly short cable paths, is suitably at least approximately parallel to the axis of the endshield.
  • a step-like lubricant intermediate channel is arranged between the lubricant supply channel and the lubricant outlet channel.
  • the lubricant intermediate channel may have a plurality of, in particular partially closed, holes which open into one another. Due to the step-like design of the intermediate lubricant channel this can be provided spaced from the drive means and / or the gear of the bearing plate.
  • the intermediate lubricant channel runs in sections parallel to the lubricant supply channel and / or the lubricant outlet channel.
  • the drive motor For supplying drive energy to the cutting wheel, for example, electrical lines, hydraulic lines and / or other pressure medium lines can be provided on the drive train.
  • the drive motor may be provided on, in particular in the end shield.
  • a drive shaft for rotating driving of the at least one cutting wheel is provided in the drive train.
  • the drive motor for the cutting wheels spaced from the bearing plate in particular be provided on the cutter frame, wherein the drive shaft is used for torque transmission from the drive motor to the cutting wheel.
  • the end plate can be made particularly compact.
  • the outlet opening is preferably elongate, in particular ring-segment-like or ring-shaped running along the sealing element. It can also be provided more outlet openings on the sealing element.
  • a particularly inexpensive and reliable trench wall cutter can be obtained by virtue of the fact that the sealing element is arranged between the bearing plate and the Fräsradnabe. According to this embodiment, the sealing element can be kept particularly small and thus inexpensive. In addition, the sealing space and the sealing surface are particularly small, which further increases the reliability of the trench wall cutter according to the invention. In principle, however, the sealing element can also be provided in the area of the cutting wheel circumference.
  • the sealing element has at least one sealing ring, which is preferably arranged coaxially to the axis.
  • the sealing element may be formed, for example, as a lamellar seal or labyrinth seal.
  • the sealing element has at least two, in particular frontally opposite sealing rings, one of which is arranged on the cutting wheel and the other on the bearing plate. According to this embodiment, therefore, two corresponding sealing rings are provided, which bear against each other during operation of the trench wall cutter. In principle, however, the sealing rings can also be provided offset from one another. It can also be provided more sealing rings.
  • each cutting wheel has its own lubrication device.
  • the trench wall cutter has two or four such end shields, each with two cutting wheels.
  • two end shields are provided on the bottom side on the milling frame and optionally two further cutting wheels on the upper side of the milling frame. In principle, however, any number of cutting wheels can be provided.
  • the lubricating devices can also have common elements, for example a common lubricant supply channel and / or a common lubricant introduction opening.
  • FIG Fig. 1 to 4 Schematic views of a trench cutter according to the invention are shown in FIG Fig. 1 to 4 shown.
  • the trench wall cutter has a bearing plate 10, on each of which an axis 19, 19 'protrudes on both sides. At these axes 19, 19 ', which are arranged coaxially, in each case only a sectionally illustrated cutting wheel 20, 20', each with a Fräsradnabe 21, 21 'rotatably mounted.
  • the axes 19 and 19 ' are each formed on axle elements 18, 18', which are screwed to both sides of the bearing plate 10 at this.
  • the shell-like axle elements 18, 18 'in this case have circular ring-like and sleeve-like sections, which are connected to one another like a step.
  • holes 91 are provided in the axle elements 18, 18', which correspond with bores 92 in the bearing plate 10.
  • the bearing plate 10 has a tubular drive train 12.
  • the drive train 12 serves to supply energy for rotationally driving the cutting wheels 20, 20 '.
  • the bearing plate 10 is attached to a milling frame 1 of the trench cutter shown only in sections.
  • Inside the drive train 12 extends a drive shaft 80, which is operated by a milling frame 1 arranged on the drive motor 2, and from this torque via a arranged in the bearing plate 10 gear 25 to the cutting wheels 20, 20 'passes.
  • the drive motor can also be arranged on the bearing plate 10, wherein then through the drive train 12 hydraulic lines can run to supply energy to the drive motor.
  • two juxtaposed bearings 31 and 32 are provided, which may for example be designed as a roller bearing.
  • two sealing elements 41 and 42 designed as sealing rings are provided.
  • the sealing element 41 is inserted into the cutting wheel hub 21 and the sealing element 42 is arranged on the bearing plate 10.
  • the two sealing elements 41, 42 are arranged axially next to each other and abut each other for sealing.
  • a lubricating device is provided for lubricating the two sealing elements 41, 42 .
  • this lubricating device an outlet opening 61 for lubricant, which is provided above the two sealing elements 41, 42, ie on the side of the milling frame 1, on the bearing plate 10.
  • the outlet opening 61 is provided outside of a sealing space formed by the sealing elements 41, 42 in the interior of the Fräsradnabe 21.
  • a lubricant outlet channel 63 connects, which runs approximately axially parallel to the axis 19 in a ring-like holding element 44, which serves to hold the sealing element 42. From there, the lubricant outlet channel, continue approximately axially parallel to the axis 19, in the axle 18th
  • the lubricant outlet channel 63 terminates in a substantially perpendicular to the axis 19 extending channel 72.
  • This vertically extending channel 72 is formed by a sealed to the outside with a closure 75 hole in the axle 18.
  • the channel 72 in turn opens into a substantially axially parallel to the axis 19 extending channel 71 a.
  • the horizontally extending channel 71 is provided both in the axle 18 and in the milling blade 10.
  • the channels 71, 72 together may also be referred to as lubricant intermediate channel 70.
  • the two channels 71, 72 form in the interior of the axle 18, above the transmission 25, a stepped arrangement.
  • the channel 71 opens into a Schmierstoffzu Switzerlandkanal 53, which extends in the interior of the bearing plate 10 upwards.
  • the Schmierstoffzu Switzerlandkanal 53 extends along the drive train 12 along and closes with this drive train 12 an angle ⁇ of 22.5 °.
  • the lubricant supply passage 53 terminates in a lubricant introduction port 51, to which, for example, a hose connection may be provided.
  • the lubricant introduction opening 51 is on the outside of the trench wall cutter, below the cutter frame 1 on the circumference 9 of the milling blade 10, that is arranged on the circumferential outer surface.
  • the channels 53, 71, 72, 63 are used to supply lubricant to the two sealing elements 41, 42.
  • the lubricant can be introduced in the region of the milling frame 1 in the lubricant inlet 51 and is through the channels 53, 71, 72, 61 to the sealing elements 41, 42 passed.
  • the lubricant introduction opening 51 is provided in one of the cutting wheels 20, 20 'spaced area above the milling blade 10, so that the cutting wheels 20, 20' need not be dismantled for the supply of lubricant.
  • the cutting wheel 20 of Fig. 5 has a cylinder jacket-like shell portion 28, on the circumferential side milling and mixing teeth 29 are arranged for processing and mixing of pending soil material.
  • the jacket section 28 runs coaxially with the cutting wheel hub 19 and radially covers the sealing elements 41, 42 towards the surroundings of the trench wall cutter.
  • the cutting wheel 20 ' is formed in an analogous manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Of Bearings (AREA)

Claims (9)

  1. Fraise pour parois moulées, avec
    - un châssis de fraise (1),
    - au moins un flasque (10), qui est disposé au niveau du châssis de fraise (1),
    - au moins un essieu (19, 19') disposé au niveau du flasque (10),
    - au moins une roue de fraise (20, 20') pourvue d'un moyeu de roue de fraise (21, 21'), qui est monté de manière à pouvoir tourner au niveau de l'essieu (19, 19') sur au moins un palier (31, 32),
    - un dispositif d'entraînement servant à entraîner en rotation la roue de fraise (20, 20') au nombre de au moins une,
    - une chaîne cinématique (12) disposée en haut au niveau du flasque (10) et
    - au moins un élément d'étanchéité (41, 42) disposé entre le flasque (10) et la roue de fraise (20, 20'), servant à rendre étanche le palier (31, 32) par rapport à l'environnement de la fraise pour parois moulées,
    caractérisée en ce
    - qu'au moins un dispositif de lubrification servant à amener du lubrifiant est prévu au niveau de l'élément d'étanchéité (41, 42),
    - que le dispositif de lubrification présente une ouverture d'introduction de lubrifiant (51), qui est disposée au-dessus de la roue de fraise (20, 20'), et
    - que le dispositif de lubrification présente au moins un canal d'amenée de lubrifiant (53), au niveau duquel est disposée côté extrémité l'ouverture d'introduction de lubrifiant (51), le canal d'amenée de lubrifiant (53) s'étendant au moins par endroits le long de la chaîne cinématique (12) dans le flasque (10).
  2. Fraise pour parois moulées selon la revendication 1,
    caractérisée en ce
    que le canal d'amenée de lubrifiant (53) forme un angle aigu (α) avec la chaîne cinématique (12).
  3. Fraise pour parois moulées selon l'une quelconque des revendications 1 ou 2,
    caractérisée en ce
    que l'ouverture d'introduction de lubrifiant est disposée au niveau de la périphérie (9) du flasque, en dessous d'un côté frontal du châssis de fraise (1).
  4. Fraise pour parois moulées selon l'une quelconque des revendications 1 ou 3,
    caractérisée en ce
    que le dispositif de lubrification présente au moins un canal d'évacuation de lubrifiant (63) s'étendant de préférence au moins approximativement de manière parallèle par rapport à l'essieu (19, 19'), au niveau duquel est prévue, côté extrémité et en particulier au-dessus de l'élément d'étanchéité (41, 42), une ouverture d'évacuation (61) pour le lubrifiant.
  5. Fraise pour parois moulées selon la revendication 4,
    caractérisée en ce
    qu'un canal intermédiaire de lubrifiant (70) réalisé de manière étagée est disposé entre le canal d'amenée de lubrifiant (53) et le canal d'évacuation de lubrifiant (63).
  6. Fraise pour parois moulées selon l'une quelconque des revendications 1 à 5,
    caractérisée en ce
    que l'élément d'étanchéité (41, 42) est disposé entre le flasque (10) et le moyeu de roue de fraise (21, 21').
  7. Fraise pour parois moulées selon l'une quelconque des revendications 1 à 6,
    caractérisée en ce
    que l'élément d'étanchéité (41, 42) présente au moins une bague d'étanchéité, qui est disposée de préférence de manière coaxiale par rapport à l'essieu (19, 19').
  8. Fraise pour parois moulées selon l'une quelconque des revendications 1 à 7,
    caractérisée en ce
    que l'élément d'étanchéité (41, 42) présente au moins deux bagues d'étanchéité, en particulier se faisant face côté frontal, dont l'une est disposée au niveau de la roue de fraise (20, 20') et l'autre est disposée au niveau du flasque (10).
  9. Fraise pour parois moulées selon l'une quelconque des revendications 1 à 8,
    caractérisée en ce
    que, de part et d'autre du flasque (10), respectivement une roue de fraise (20, 20') est prévue, en particulier de manière coaxiale, chaque roue de fraise (20, 20') présentant un dispositif de lubrification propre.
EP04028687.4A 2004-12-03 2004-12-03 Fraise pour paroi moulée Active EP1666671B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP04028687.4A EP1666671B1 (fr) 2004-12-03 2004-12-03 Fraise pour paroi moulée
US11/289,870 US7363734B2 (en) 2004-12-03 2005-11-30 Lubricated trench wall cutter with remote lubricant inlet port
JP2005347904A JP4271182B2 (ja) 2004-12-03 2005-12-01 地中壁掘削機
KR1020050116803A KR100683576B1 (ko) 2004-12-03 2005-12-02 트렌치 벽 절단기
CN200510128997A CN100582394C (zh) 2004-12-03 2005-12-05 沟槽壁切割机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04028687.4A EP1666671B1 (fr) 2004-12-03 2004-12-03 Fraise pour paroi moulée

Publications (2)

Publication Number Publication Date
EP1666671A1 EP1666671A1 (fr) 2006-06-07
EP1666671B1 true EP1666671B1 (fr) 2015-11-04

Family

ID=34927641

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04028687.4A Active EP1666671B1 (fr) 2004-12-03 2004-12-03 Fraise pour paroi moulée

Country Status (5)

Country Link
US (1) US7363734B2 (fr)
EP (1) EP1666671B1 (fr)
JP (1) JP4271182B2 (fr)
KR (1) KR100683576B1 (fr)
CN (1) CN100582394C (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202019100319U1 (de) * 2019-01-21 2020-04-22 Liebherr-Werk Nenzing Gmbh Schlitzwandfräse
DE202019102477U1 (de) 2019-02-27 2020-06-03 Liebherr-Components Biberach Gmbh Antriebseinrichtung für eine Schlitzwandfräse
DE202019105230U1 (de) * 2019-09-20 2020-12-23 Liebherr-Components Biberach Gmbh Schlitzwandfräsenantrieb mit entkoppeltem Innenrad/integrierter Lagerung
EP4074898A1 (fr) 2021-04-12 2022-10-19 BAUER Maschinen GmbH Excavatrice à fraises et procédé de changement de la la largeur de la fraise

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1666671B1 (fr) 2004-12-03 2015-11-04 BAUER Maschinen GmbH Fraise pour paroi moulée
EP2597205B1 (fr) * 2011-11-23 2014-04-30 BAUER Maschinen GmbH Agencement de roue de fraisage
CN103770224B (zh) * 2014-01-29 2016-06-01 徐工集团工程机械股份有限公司 一种双轮铣槽机的进给装置及双轮铣槽机
CN105328798B (zh) * 2014-07-14 2018-05-01 徐工集团工程机械股份有限公司 动力设备、铣槽机驱动装置及铣槽机
KR102235301B1 (ko) 2018-12-05 2021-04-02 한국지질자원연구원 트렌치 평탄화 전동장치
DE102019111774A1 (de) * 2019-03-25 2020-10-01 Liebherr-Components Biberach Gmbh Antriebseinrichtung für eine Schlitzwandfräse
JP7411675B2 (ja) * 2019-03-25 2024-01-11 リープヘル－コンポーネンツ ビーベラッハ ゲーエムベーハー トレンチカッタ用駆動装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230372A (en) * 1978-12-04 1980-10-28 H. B. Zachry Company Dual rock cutter wheel trencher
US5027911A (en) * 1989-11-02 1991-07-02 Dresser Industries, Inc. Double seal with lubricant gap between seals for sealed rotary drill bits
DE9107187U1 (fr) * 1991-06-11 1991-07-25 Bauer Spezialtiefbau
DE19652022C2 (de) * 1996-12-13 2000-03-23 Bauer Spezialtiefbau Schlitzwandfräse
EP1666671B1 (fr) 2004-12-03 2015-11-04 BAUER Maschinen GmbH Fraise pour paroi moulée

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202019100319U1 (de) * 2019-01-21 2020-04-22 Liebherr-Werk Nenzing Gmbh Schlitzwandfräse
DE202019102477U1 (de) 2019-02-27 2020-06-03 Liebherr-Components Biberach Gmbh Antriebseinrichtung für eine Schlitzwandfräse
WO2020173788A1 (fr) 2019-02-27 2020-09-03 Liebherr-Components Biberach Gmbh Dispositif d'entraînement pour une fraise de rideau souterrain
DE202019105230U1 (de) * 2019-09-20 2020-12-23 Liebherr-Components Biberach Gmbh Schlitzwandfräsenantrieb mit entkoppeltem Innenrad/integrierter Lagerung
WO2021052976A2 (fr) 2019-09-20 2021-03-25 Liebherr-Components Biberach Gmbh Entraînement de fraise pour parois moulées comportant une roue à denture intérieure désaccouplée/un palier intégré
WO2021052976A3 (fr) * 2019-09-20 2021-06-03 Liebherr-Components Biberach Gmbh Entraînement de fraise pour parois moulées comportant une roue à denture intérieure désaccouplée/un palier intégré
EP4074898A1 (fr) 2021-04-12 2022-10-19 BAUER Maschinen GmbH Excavatrice à fraises et procédé de changement de la la largeur de la fraise
WO2022218719A1 (fr) 2021-04-12 2022-10-20 Bauer Maschinen Gmbh Dispositif de coupe de paroi moulée et procédé de modification d'une largeur de coupe d'un dispositif de coupe de paroi moulée

Also Published As

Publication number Publication date
EP1666671A1 (fr) 2006-06-07
JP4271182B2 (ja) 2009-06-03
KR100683576B1 (ko) 2007-02-15
US20060120641A1 (en) 2006-06-08
KR20060063694A (ko) 2006-06-12
US7363734B2 (en) 2008-04-29
JP2006161550A (ja) 2006-06-22
CN1782240A (zh) 2006-06-07
CN100582394C (zh) 2010-01-20

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