EP0735199B1 - Slotting machine - Google Patents

Slotting machine Download PDF

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Publication number
EP0735199B1
EP0735199B1 EP96102544A EP96102544A EP0735199B1 EP 0735199 B1 EP0735199 B1 EP 0735199B1 EP 96102544 A EP96102544 A EP 96102544A EP 96102544 A EP96102544 A EP 96102544A EP 0735199 B1 EP0735199 B1 EP 0735199B1
Authority
EP
European Patent Office
Prior art keywords
cutter
frame
milling
cutter frame
support member
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 - Lifetime
Application number
EP96102544A
Other languages
German (de)
French (fr)
Other versions
EP0735199A1 (en
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 Spezialtiefbau GmbH
Original Assignee
Bauer Spezialtiefbau 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 Spezialtiefbau GmbH filed Critical Bauer Spezialtiefbau GmbH
Publication of EP0735199A1 publication Critical patent/EP0735199A1/en
Application granted granted Critical
Publication of EP0735199B1 publication Critical patent/EP0735199B1/en
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
    • 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
    • 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
    • E02F3/22—Component parts
    • E02F3/26—Safety or control devices

Definitions

  • the invention relates to a trench cutter according to the preamble of claim 1.
  • Known trench wall cutters have a milling frame the lower end of which are fitted with cutting wheels.
  • the trench cutter is carried to the floor on a carrying device lowered, with the rotary motion of the milling wheels the underlying soil is removed. Because of her The trench cutter usually digs its own weight vertically down into the ground. Hit the cutter wheels but on different hard layers of soil, the trench cutter gives way to the softer soil layers and therefore the milling direction from the vertical from.
  • Known trench cutters are therefore equipped with facilities equipped to accommodate deviations from the vertical Determine and compensate the milling direction.
  • a trench cutter which is a guide frame with a substantially rectangular one Floor plan and a steering frame, which at the bottom Swinging end of the guide frame with the help of pendulum rods is hung. It also contains a trench cutter Control cylinder piston units, with the help of the steering frame laterally deflectable relative to the guide frame is.
  • This type of suspension allows the steering rack the deflection of the steering frame in several spatial directions, but it is also correspondingly complex, and also leads to a trench cutter with a relatively large size Overall height.
  • the invention has for its object to provide a trench cutter of the generic type, which is structurally simple and has small dimensions.
  • the trench wall cutter has a milling frame with a substantially rectangular outer contour.
  • a support part for the milling wheels are rotatably mounted.
  • the carrier part has after lever arms protruding into the inside of the milling frame at the top also in the area of the vertical narrow sides of the milling frame are arranged.
  • Between the lever arms and the Milling frames are close to the vertical narrow sides and parallel to these hydraulic elements in a substantially horizontal Location arranged, i.e. parallel to the base of the Milling frame.
  • the hydraulic elements consist of hydraulic cylinders, which are essentially horizontal and parallel arranged to the vertical narrow sides of the milling frame are.
  • the hydraulic cylinders are short and leave only a correspondingly short stroke movement to. Therefore the length of the lever arms is chosen so that nevertheless the support part by a sufficient angle can be pivoted relative to the milling frame.
  • the trench cutter has a milling frame 10, which is a substantially cuboid Has outer contour.
  • a suspension device in a manner known per se 12 attached to the milling frame in a conventional manner can be hung on a carrying device.
  • a support part in two bearings 30 20 rotatably mounted.
  • the swivel axis runs horizontally and parallel to the wide sides of the milling frame.
  • On the support part 20 are four cutter wheels 40 in pairs one behind the other arranged. The swivel axis is therefore perpendicular to the axes of the milling wheels 40.
  • the carrier part 20 has in the area of the bearings 30, i.e. in the Area of the narrow sides two lever arms 22, which are extend upwards into the interior of the milling frame 10.
  • the lever arms 22 have eyes 24 at their upper ends, in which hydraulic elements 50 are rotatably attached.
  • Each Hydraulic element 50 consists of a piston / cylinder unit, one end of which engages lever arm 22, and other end in eyes 14 attached to the milling frame 10 is rotatably mounted.
  • the piston / cylinder units are in essentially horizontal in the area of the narrow sides of the Milling frame and essentially parallel to the narrow sides arranged of the milling frame.
  • the lever arms 22 By operating the hydraulic elements 50 is the upper end the lever arms 22 can be moved back and forth essentially horizontally. As a result, the carrier part 20 rotates in the bearings 30, and guide the cutter wheels one to the top ends of the Lever arms 22 reverse pivotal movement, i.e. become the cutting wheels 40 perpendicular to one through the cutting wheels set milling plane deflected.
  • the trench wall cutter is preferably known per se Way with an inclination detector, the deviations of the desired vertical milling direction.

Landscapes

  • 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)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Earth Drilling (AREA)
  • Adjustment And Processing Of Grains (AREA)
  • Dicing (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Description

Die Erfindung bezieht sich auf eine Schlitzwandfräse gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a trench cutter according to the preamble of claim 1.

Bekannte Schlitzwandfräsen weisen einen Fräsrahmen auf, an dessen unterem Ende Fräsräder angebracht sind. Die Schlitzwandfräse wird an einer Tragevorrichtung auf den Boden herabgelassen, wobei durch die Drehbewegung der Fräsräder das darunterliegende Erdreich abgetragen wird. Aufgrund ihres Eigengewichts gräbt sich die Schlitzwandfräse normalerweise vertikal nach unten ins Erdreich. Treffen die Fräsräder jedoch auf unterschiedlich harte Bodenschichten, weicht die Schlitzwandfräse in Richtung der weicheren Bodenschichten aus, und daher die Fräsrichtung von der Vertikalen ab. Bekannte Schlitzwandfräsen sind daher mit Einrichtungen ausgerüstet, um Abweichungen von der vertikalen Fräsrichtung festzustellen und auszugleichen.Known trench wall cutters have a milling frame the lower end of which are fitted with cutting wheels. The trench cutter is carried to the floor on a carrying device lowered, with the rotary motion of the milling wheels the underlying soil is removed. Because of her The trench cutter usually digs its own weight vertically down into the ground. Hit the cutter wheels but on different hard layers of soil, the trench cutter gives way to the softer soil layers and therefore the milling direction from the vertical from. Known trench cutters are therefore equipped with facilities equipped to accommodate deviations from the vertical Determine and compensate the milling direction.

Aus der DE-PS 36 02 387 ist eine Schlitzwandfräse bekannt, die ein Führungsgestell mit einem im wesentlichen rechtekkigen Grundriß und ein Lenkgestell aufweist, das am unteren Ende des Führungsgestells mit Hilfe von Pendelstangen pendelnd aufgehängt ist. Ferner enthält diese Schlitzwandfräse Steuerzylinderkolbenaggregate, mit deren Hilfe das Lenkgestell gegenüber dem Führungsgestell seitlich auslenkbar ist. Diese Art der Aufhängung des Lenkgestells ermöglicht zwar die Auslenkung des Lenkgestells in mehrere Raumrichtungen, dafür ist sie aber auch entsprechend aufwendig, und führt überdies zu einer Schlitzwandfräse mit relativ großer Bauhöhe.From DE-PS 36 02 387 a trench cutter is known which is a guide frame with a substantially rectangular one Floor plan and a steering frame, which at the bottom Swinging end of the guide frame with the help of pendulum rods is hung. It also contains a trench cutter Control cylinder piston units, with the help of the steering frame laterally deflectable relative to the guide frame is. This type of suspension allows the steering rack the deflection of the steering frame in several spatial directions, but it is also correspondingly complex, and also leads to a trench cutter with a relatively large size Overall height.

Der Erfindung liegt die Aufgabe zugrunde, eine Schlitzwandfräse der gattungsgemäßen Art anzugeben, die konstruktiv einfach ausgeführt ist und geringe Abmessungen aufweist.The invention has for its object to provide a trench cutter of the generic type, which is structurally simple and has small dimensions.

Diese Aufgabe ist bei einer Schlitzwandfräse gelöst, die die Merkmale des Anspruchs 1 aufweist. Eine vorteilhafte Weiterbildung ist in dem Unsteranspruch enthalten.This task is solved with a trench cutter, the has the features of claim 1. An advantageous one Further training is included in the claim.

Erfindungsgemäß weist die Schlitzwandfräse einen Fräsrahmen mit im wesentlichen quaderförmiger Außenkontur auf. Im Bereich der vertikalen Schmalseiten ist ein Trägerteil für die Fräsräder drehbar gelagert. Das Trägerteil besitzt nach oben ins Innere des Fräsrahmens ragende Hebelarme, die ebenfalls im Bereich der vertikalen Schmalseiten des Fräsrahmens angeordnet sind. Zwischen den Hebelarmen und dem Fräsrahmen sind nahe den vertikalen Schmalseiten und parallel zu diesen Hydraulikelemente in im wesentlichen horizontaler Lage angeordnet,d.h. parallel zur Grundfläche des Fräsrahmens. Durch Betätigen der Hydraulikelemente werden die Hebelarme, und somit das Trägerteil gegenüber dem Fräsrahmen um eine horizontale Achse parallel zu den Längsseiten des Fräsrahmens verschwenkt.According to the trench wall cutter has a milling frame with a substantially rectangular outer contour. In the area the vertical narrow sides is a support part for the milling wheels are rotatably mounted. The carrier part has after lever arms protruding into the inside of the milling frame at the top also in the area of the vertical narrow sides of the milling frame are arranged. Between the lever arms and the Milling frames are close to the vertical narrow sides and parallel to these hydraulic elements in a substantially horizontal Location arranged, i.e. parallel to the base of the Milling frame. By operating the hydraulic elements the lever arms, and thus the support part opposite the milling frame around a horizontal axis parallel to the long sides of the milling frame pivoted.

Da die Lagerung des Trägerteils und auch die zum Verschwenken notwendigen Hebelarme und Hydraulikelemente nahe den Schmalseiten des Fräsrahmens angeordnet sind, steht der dazwischenliegende Raum im Fräsrahmen für andere Einrichtungen zur Verfügung, wie beispielsweise für eine Fördereinrichtung zur Förderung des ausgefrästen Erdreichs oder dergleichen.Since the storage of the support part and also for pivoting necessary lever arms and hydraulic elements near the Narrow sides of the milling frame are arranged, the one in between Space in the milling frame for other facilities available, such as for a conveyor to promote the milled soil or the like.

Gemäß einer bevorzugten Ausführung der erfindungsgemäßen Schlitzwandfräse bestehen die Hydraulikelemente aus Hydraulikzylindern, die im wesentlichen horizontal und parallel zu den vertikalen Schmalseiten des Fräsrahmens angeordnet sind. Die Hydraulikzylinder sind entsprechend kurz ausgeführt und lassen auch nur eine entsprechend kurze Hubbewegung zu. Daher ist die Länge der Hebelarme so gewählt, daß trotzdem das Trägerteil um einen ausreichenden Winkel gegenüber dem Fräsrahmen verschwenkt werden kann.According to a preferred embodiment of the invention Trench cutter, the hydraulic elements consist of hydraulic cylinders, which are essentially horizontal and parallel arranged to the vertical narrow sides of the milling frame are. The hydraulic cylinders are short and leave only a correspondingly short stroke movement to. Therefore the length of the lever arms is chosen so that nevertheless the support part by a sufficient angle can be pivoted relative to the milling frame.

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels näher erläutert, das in den Figuren dargestellt ist. Es zeigt

Fig. 1
eine schematisch dargestellte erfindungsgemäße Schlitzwandfräse von ihrer schmalen Seite;
Fig. 2
eine schematisch dargestellte erfindungsgemäße Schlitzwandfräse von ihrer breiten Seite.
The invention is explained in more detail below using an exemplary embodiment which is illustrated in the figures. It shows
Fig. 1
a schematically shown trench cutter according to the invention from its narrow side;
Fig. 2
a schematically shown trench cutter according to the invention from its wide side.

Wie in den Figuren dargestellt, weist die Schlitzwandfräse einen Fräsrahmen 10 auf, der eine im wesentlichen quaderförmige Außenkontur hat. Am oberen Ende des Fräsrahmens 10 ist in an sich bekannter Weise eine Aufhängevorrichtung 12 angebracht, mit der der Fräsrahmen in herkömmlicher Weise an einer Tragevorrichtung aufhängbar ist. Am unteren Ende des Fräsrahmens 10 ist in zwei Lagern 30 ein Trägerteil 20 drehbar gelagert. Die Schwenkachse verläuft horizontal und parallel zu den breiten Seiten des Fräsrahmens. Am Trägerteil 20 sind vier Fräsräder 40 paarweise hintereinander angeordnet. Die Schwenkachse verläuft somit senkrecht zu den Achsen der Fräsräder 40.As shown in the figures, the trench cutter has a milling frame 10, which is a substantially cuboid Has outer contour. At the top of the milling frame 10 is a suspension device in a manner known per se 12 attached to the milling frame in a conventional manner can be hung on a carrying device. At the bottom the milling frame 10 is a support part in two bearings 30 20 rotatably mounted. The swivel axis runs horizontally and parallel to the wide sides of the milling frame. On the support part 20 are four cutter wheels 40 in pairs one behind the other arranged. The swivel axis is therefore perpendicular to the axes of the milling wheels 40.

Das Trägerteil 20 weist im Bereich der Lager 30, d.h. im Bereich der Schmalseiten zwei Hebelarme 22 auf, die sich nach oben ins Innere des Fräsrahmens 10 erstrecken. Die Hebelarme 22 weisen an ihren oberen Enden Augen 24 auf, in denen Hydraulikelemente 50 drehbar befestigt sind. Jedes Hydraulikelement 50 besteht aus einer Kolben/Zylinder-Einheit, deren eines Ende am Hebelarm 22 angreift, und deren anderes Ende in am Fräsrahmen 10 angebrachten Augen 14 drehbar gelagert ist. Die Kolben/Zylinder-Einheiten sind im wesentlichen horizontal im Bereich der Schmalseiten des Fräsrahmens und im wesentlichen parallel zu den Schmalseiten des Fräsrahmens angeordnet.The carrier part 20 has in the area of the bearings 30, i.e. in the Area of the narrow sides two lever arms 22, which are extend upwards into the interior of the milling frame 10. The lever arms 22 have eyes 24 at their upper ends, in which hydraulic elements 50 are rotatably attached. Each Hydraulic element 50 consists of a piston / cylinder unit, one end of which engages lever arm 22, and other end in eyes 14 attached to the milling frame 10 is rotatably mounted. The piston / cylinder units are in essentially horizontal in the area of the narrow sides of the Milling frame and essentially parallel to the narrow sides arranged of the milling frame.

Durch Betätigen der Hydraulikelemente 50 ist das obere Ende der Hebelarme 22 im wesentlichen horizontal hin- und herbewegbar. Dadurch dreht sich das Trägerteil 20 in den Lagern 30, und führen die Fräsräder eine zu den oberen Enden der Hebelarme 22 gegenläufige Schwenkbewegung aus, d.h. werden die Fräsräder 40 senkrecht zu einer durch die Fräsräder festgelegten Fräsebene ausgelenkt.By operating the hydraulic elements 50 is the upper end the lever arms 22 can be moved back and forth essentially horizontally. As a result, the carrier part 20 rotates in the bearings 30, and guide the cutter wheels one to the top ends of the Lever arms 22 reverse pivotal movement, i.e. become the cutting wheels 40 perpendicular to one through the cutting wheels set milling plane deflected.

Die Schlitzwandfräse ist vorzugsweise in an sich bekannter Weise mit einem Neigungsdetektor versehen, der Abweichungen von der gewünschten vertikalen Fräsrichtung anzeigt. Je nach Größe und Richtung der jeweiligen Abweichung werden die Hydraulikelemente derart betätigt, daß durch das dadurch hervorgerufene Verschwenken des Trägerteils mit den Fräsrädern die Abweichung von der Vertikalen kompensiert wird.The trench wall cutter is preferably known per se Way with an inclination detector, the deviations of the desired vertical milling direction. Each according to the size and direction of the respective deviation Hydraulic elements operated in such a way that caused pivoting of the carrier part with the milling wheels the deviation from the vertical is compensated.

Claims (2)

  1. Trench wall cutter comprising a cutter frame having a substantially rectangular contour and a support member for at least one pair of cutter wheels, said support member being fastened at that cutter frame and being pivotable relative to said cutter frame around a horizontal axis by means of at least one hydraulic element,
    characterized in that
    said support member is pivotably mounted in said cutter frame in the vicinity of the two vertical short sides of said cutter frame,
    said support member (20) comprises lever arms (22), which project in an upward direction and are arranged in the vicinity of said vertical short sides, and said hydraulic elements (50) are arranged in an essentially horizontal position in the vicinity of said vertical short sides in said cutter frame (10) between said lever arms and said frame.
  2. Trench wall cutter according to claim 1,
    characterized in that
    said hydraulic elements are cylinder/piston-elements, being essentially horizontally arranged and parallel to the vertical short sides of said cutter frame.
EP96102544A 1995-03-28 1996-02-20 Slotting machine Expired - Lifetime EP0735199B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29505263U 1995-03-28
DE29505263U DE29505263U1 (en) 1995-03-28 1995-03-28 Trench cutter

Publications (2)

Publication Number Publication Date
EP0735199A1 EP0735199A1 (en) 1996-10-02
EP0735199B1 true EP0735199B1 (en) 2001-07-04

Family

ID=8006013

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96102544A Expired - Lifetime EP0735199B1 (en) 1995-03-28 1996-02-20 Slotting machine

Country Status (4)

Country Link
EP (1) EP0735199B1 (en)
JP (1) JP2866341B2 (en)
KR (1) KR100237228B1 (en)
DE (2) DE29505263U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1626127A1 (en) 2004-08-10 2006-02-15 BAUER Maschinen GmbH Milling apparatus and method for obtaining a milled hole

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2747704B1 (en) * 1996-04-19 1998-07-10 Sol Comp Du DRILLING METHOD FOR REALIZING A BROAD BASED BAR IN THE GROUND, APPARATUS FOR IMPLEMENTING SAME AND BAR THUS OBTAINED
ITTO20050503A1 (en) 2005-07-22 2007-01-23 Soilmec Spa DEVICE AND METHOD OF MIXTURE OF LAND ON THE SITE FOR THE FORMATION OF UNDERGROUND WALLS OR DIAPHRAGMS.
ES2328211B1 (en) * 2008-05-05 2010-09-13 Ack 90, S.L. MILLING SYSTEM FOR THE REALIZATION OF WALLS SCREEN.
JP5450315B2 (en) * 2010-08-20 2014-03-26 株式会社東亜利根ボーリング Excavator tilt correction device
JP7145087B2 (en) * 2019-01-23 2022-09-30 大成建設株式会社 wing excavator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5911017B2 (en) * 1979-07-10 1984-03-13 株式会社奥村組 underground wall hole drilling machine
FR2536455A1 (en) * 1982-11-19 1984-05-25 Soletanche DEVICE FOR ENSURING VERTICALITY OF A PERFORATION MACHINE
JPS6245831A (en) * 1985-08-22 1987-02-27 Nippon Ikosu Kk Underground trencher
DE3602387C1 (en) * 1986-01-28 1987-06-04 Hochtief Ag Hoch Tiefbauten Device for introducing a substantially vertical bottom slot
JPS63125727A (en) * 1986-11-17 1988-05-28 Shimizu Constr Co Ltd Method and apparatus for construction of vertical coupler mortise for underground continuous wall
EP0496926A1 (en) * 1991-02-01 1992-08-05 C.T.R. - Consulenti Tecnico-Commerciali Riuniti S.A.S. Di Miotti Anna E C. Trench cutter
JPH06128960A (en) * 1992-10-15 1994-05-10 Ohbayashi Corp Excavator for underground wall with nonuniform section

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1626127A1 (en) 2004-08-10 2006-02-15 BAUER Maschinen GmbH Milling apparatus and method for obtaining a milled hole

Also Published As

Publication number Publication date
KR960034592A (en) 1996-10-24
DE59607195D1 (en) 2001-08-09
KR100237228B1 (en) 2000-01-15
EP0735199A1 (en) 1996-10-02
JP2866341B2 (en) 1999-03-08
JPH08270005A (en) 1996-10-15
DE29505263U1 (en) 1995-05-24

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