EP1790779B1 - Fraiseuse à rideau souterrainet procédé pour creuser des tranchées dans le sol - Google Patents

Fraiseuse à rideau souterrainet procédé pour creuser des tranchées dans le sol Download PDF

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Publication number
EP1790779B1
EP1790779B1 EP05025692A EP05025692A EP1790779B1 EP 1790779 B1 EP1790779 B1 EP 1790779B1 EP 05025692 A EP05025692 A EP 05025692A EP 05025692 A EP05025692 A EP 05025692A EP 1790779 B1 EP1790779 B1 EP 1790779B1
Authority
EP
European Patent Office
Prior art keywords
frame
soil
trench wall
gyroscope
trench
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.)
Not-in-force
Application number
EP05025692A
Other languages
German (de)
English (en)
Other versions
EP1790779A1 (fr
Inventor
Erwin 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
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to EP05025692A priority Critical patent/EP1790779B1/fr
Priority to DE502005006435T priority patent/DE502005006435D1/de
Priority to AT05025692T priority patent/ATE420249T1/de
Priority to ES05025692T priority patent/ES2319310T3/es
Priority to JP2006316497A priority patent/JP4495716B2/ja
Publication of EP1790779A1 publication Critical patent/EP1790779A1/fr
Application granted granted Critical
Publication of EP1790779B1 publication Critical patent/EP1790779B1/fr
Not-in-force 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
    • 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

Definitions

  • the invention relates to a trench wall device, in particular a trench wall cutter or a trench wall grab according to the preamble of claim 1.
  • the invention further relates to a method for creating a slot in the ground according to the preamble of claim 9.
  • An inventive slotted wall device is formed, inter alia, with a harrow, which has a frame on which the underside means for processing pending soil are arranged, and means for at least approximately vertically directed lowering of the harrow into the ground.
  • means arranged below a frame of a soil cultivating device for processing pending soil are actuated and the cultivating device is lowered into the soil at least approximately vertically.
  • slot wall devices are for example from the EP 0 903 443 A2 known.
  • This document discloses, on the one hand, a diaphragm wall grab, in which a grab bucket is arranged on the bottom side of a frame.
  • this document discloses a trench wall cutter, in which four milling wheels are arranged on the bottom side on a frame, which are used for processing be suspended from pending soil material in rotation.
  • an approximately rectangular slit of rectangular cross section is created there, which can be filled with a supporting liquid and / or with a suspension hardening to the finished trench wall. It can also be used the upcoming soil material for creating the slot wall element.
  • the trench wall device is lowered several times, pulled and lowered again at an adjacent, especially overcut, position. Each time the trench wall device is lowered, a single trench wall panel is created, with the individual trench wall panels superposed on the overall slit wall.
  • a guide frame may be provided on the earth's surface.
  • the JP 08-100440 discloses another trench wall device.
  • This trench wall device has an optical gyroscope for determining its angle of rotation in the slot. Furthermore, means for adjusting the position of the slot wall device are provided.
  • a slot wall gripper having means for determining the position is known from FR 2 785 946 known.
  • the EP 1 162 317 A2 describes a chain cutter with a Fräsatt on which a plurality of inclinometers is provided.
  • the object of the invention is to provide a slot wall device and a method for creating a slot in the ground, which allow the production of particularly high-quality slot walls.
  • the slotted wall device according to the invention is characterized in that at least one measuring device, in particular a gyroscope, is provided for determining a rotational position of the soil cultivation device about the vertical.
  • a basic idea of the invention is that the possibly observable inadequate trench wall quality is due to a rotation of the cultivator about the vertical axis during the lowering into the ground.
  • Such a rotation about the vertical can be caused for example by the fact that the hardness of the pending soil material, for example when foundlings occur, varies over the processing cross-section and, as a consequence, the tillage implement proceeds during soil erosion.
  • the slot wall device does not produce a parallelepiped slot but rather, for example, a twisted helical slot.
  • the gyroscope according to the invention makes it possible to detect a rotation of the cultivator about the vertical axis. If such a twist occurs, for example, the tillage operation can be interrupted and the cause of the rotation can be eliminated. For example, a pending foundling can be retrieved from the ground. But it is also possible to provide means which automatically counteract the unwanted rotation about the vertical. Consequently it is possible to create slits with a particularly well defined geometry.
  • the invention moreover makes it possible to detect in good time in advance a possible tilting of the frame in the slot which may be caused by the rotation of the cultivator about the vertical, thereby increasing the reliability in slot migration.
  • the slot wall device according to the invention is used to create a slot having at least approximately rectangular cross-section, wherein the cross-section is understood in particular the section perpendicular to the vertical.
  • the means for processing pending soil suitably have an at least approximately rectangular processing cross-section. In principle, however, other processing cross sections could also be provided.
  • the trench wall device is preferably designed as a trench wall cutter or trench wall grab.
  • the means for processing pending earth comprise blade elements, in particular a double blade gripper.
  • the means for trimming pending soil have cutting wheels which can be driven rotatably in accordance with the invention.
  • four cutting wheels are provided, of which two are arranged in pairs around the same axis of rotation. The cutting wheel pairs are suitably arranged directly next to each other with parallel Fräsradwindachsen and aligned cutting wheels.
  • the means for lowering the tillage implement are suitably gravity-based, that is, the tillage implement penetrates into the ground due to its own weight.
  • additional feed means can also be provided be, which press the soil cultivator into the ground.
  • At least one actuator for rotating the harrow is provided around the vertical, and that a control is provided for automatically controlling the rotational position of the harrow with the actuator and the at least one Gyroscope is in signal connection.
  • a rotation about the vertical axis is not merely observed and, if appropriate, the rotation is counteracted manually.
  • a control is provided which actively influences the rotation of the soil cultivation device in response to the signal supplied by the gyroscope.
  • the control can be designed to keep the rotational position of the soil cultivating device constant about the vertical. In principle, however, the control could also be provided for targeted rotation of the cultivator with the working depth.
  • a structurally particularly simple trench wall device can be obtained by virtue of the fact that the at least one actuator has a control surface arranged on the frame, which can be adjusted from a retracted first position into a protruding second position to rest against an inner wall of the created slot.
  • this control surface of the frame can be pressed from the inner wall of the slot and thus a targeted rotation of the harrow about the vertical axis can be effected.
  • the control surface may be moved back to the retracted first position.
  • the control surface in the retracted position is flush with the outer contour of the frame or, on the other hand, is set back into the frame interior. In the above second position, the control surface protrudes suitably beyond the outer contour of the frame.
  • the control surface may in particular be provided on a control flap, which is hinged to the frame.
  • the actuator may for example comprise a hydraulic cylinder.
  • the control surface is preferably arranged horizontally offset from the center of the frame on the outside of the frame. Preferably, a plurality of control surfaces are provided.
  • the frame is formed in two parts with a first frame part and a second frame part, that the means for processing pending soil on the first frame part are arranged and that the actuator for moving the first frame part relative to the second frame part is trained.
  • the actuator can be designed to rotate the first frame part relative to the second frame part about the vertical axis.
  • the first frame part is formed as an inner frame and the second frame part as an outer frame, wherein the inner frame is at least partially disposed in the outer frame.
  • the outer frame can also be referred to as a positioning frame.
  • the at least one control surface for fixing this frame part in the slot can be provided on the second frame part.
  • a suspension is preferably provided, on which the soil cultivation device is suspended from the means for lowering the soil cultivation device. By moving the suspension point with respect to the remaining frame parts, a rotation about the vertical can also be caused.
  • the means for processing pending soil have cutting wheels, and that the Control is in signal connection with a drive device of the cutting wheels.
  • the actuators may be the drive motors for the cutting wheels.
  • it can also be provided, for example, at least one drive gear on which the at least one actuator is arranged for changing the gear reduction.
  • the means for lowering the harrow on at least one supporting cable, to which the frame is attached may be arranged freely on the carrying cable, but it may also be provided in addition a linear guide device. Since in a free cable suspension of the frame is particularly easy to rotate, here the rotational position determination according to the invention is particularly advantageous.
  • the cross section of the frame is smaller than the processing cross section of the means for processing pending soil, to allow a frame outside transport of abraded soil material.
  • the frame is not on the inner wall of the slot, but is spaced therefrom. This makes it possible to convey finished soil material along the inner wall of the slot past the frame into an area above the means for processing pending soil. Elaborate suction on the bottom of the frame can thus be omitted. Since a cross-sectionally smaller frame can only partially guide the harrow in the slot, here is the Rotational position determination according to the invention particularly advantageous.
  • the gyroscope may be a single-gyroscope or a dual-gyroscope.
  • a particularly accurate and reliable determination of the rotational position is made possible by the fact that the gyroscope is a three-gyroscope.
  • a mechanical gyroscope, a micromechanical gyroscope, for example a vibratory gyroscope, and / or in particular an optical gyroscope, preferably a fiber gyro may be used. Because of its low maintenance, a micromechanical gyroscope based on semiconductors may be particularly suitable.
  • At least one acceleration sensor in particular for compensation of an output signal of the gyroscope is provided.
  • an accelerometer provided per gyroscope gyro, i. per axis of rotation of the gyroscope.
  • further measuring devices for example inclinometers, can be provided.
  • the accelerometer can itself be designed as a gyroscope.
  • a satellite navigation receiver preferably for the calibration of the gyroscope.
  • a GPS receiver and / or a Gallileo receiver may be provided.
  • the controller is designed for automatic calibration of the gyroscope and signal-connected to the satellite navigation receiver.
  • the gyroscope is calibrated with the tillage implement pulled, prior to placement in the ground, and the current rotational position based on gyroscopic measurements in a dead-reckoning process certainly. In the case of suitable reception conditions, however, provision may also be made for the gyroscope to be calibrated in the case of an under-ground cultivator, possibly several times.
  • the method according to the invention is characterized in that the rotational position of the soil cultivating device around the vertical is determined by means of at least one measuring device, in particular a gyroscope.
  • inventive method can be carried out in particular with the device according to the invention, whereby the advantages described in this context can be achieved.
  • a first rotational position measurement is carried out with the soil tillage implement raised.
  • the measurement result can be easily brought into a relationship with the axis of rotation, for which purpose, for example, data from the satellite navigation receiver can be used.
  • a traverse model may be used to determine the current position of the harrow.
  • a traverse control can be provided for actuating the actuator. A vibration-free and thus accurate measurement is achieved by measuring at a short-term pulling the tillage device takes place. After pulling and measuring the tillage implement can be lowered again.
  • the gyroscope measurement can be carried out in particular as a function of the working depth of the soil cultivation device, which can be determined, for example, by determining the length of the unwound suspension rope. For example, in each case a gyroscope measurement can be carried out in working steps of three to four meters.
  • the tillage implement is not moved vertically during the measurement.
  • the underground measurements can be correlated with the measurement of the excess by the controller; in particular, a difference can be formed.
  • FIG. 1 An inventive, designed as a trench wall cutter slot wall device is shown schematically in Fig. 1 shown.
  • the trench wall device has a frame 20, on the bottom side a first pair of cutting wheels 1 and a second pair of cutting wheels 1 'are provided.
  • At the cutting wheels are tillage tools 5 on the circumference, in particular cutting teeth, provided for releasing pending soil material.
  • To drive the cutting wheel pairs 1 and 1 ' provided on the frame 20 as hydraulic rotary motors 10 and 10' designed drives.
  • the frame 20 together with the pair of cutting wheels 1, 1' attached to a construction equipment, not shown. Further extending from the frame 20 hydraulic lines 39 for supplying the hydraulic rotary motors 10, 10 'with hydraulic fluid and a feed tube 40 for supplying support liquid and / or settable suspension in the milled slot to the surface.
  • the frame 20 is in cross-section significantly narrower than the milling cross section of the pair of Fräsradpress 1, 1 'formed.
  • the cutting wheels can thus promote on rotation processed soil material on the frame 20 over in higher lying slot areas.
  • the frame 20 is not applied to the slot inner wall, no guidance of the same occurs through the frame 20 when lowering the trench wall device.
  • the slot wall device may rotate about the vertical 50, particularly if the cutting wheels are required to remove different hard ground material.
  • a three-axis gyroscope trained Gyroscope 2 is provided.
  • This gyroscope 2 is connected to a control device, not shown, which can act for example on the hydraulic rotary motors 10, 10 'to change the rotational speeds of the individual cutting wheels relative to each other and thus counteract rotation of the frame 20 about the vertical 50.
  • a control device not shown
  • an acceleration sensor 23 is further provided which is in line connection with the gyroscope 2.
  • FIG. 2 A plan view of a slot 60 with therein Schlitzwand réelle is in Fig. 2 shown.
  • the slitwall device is around the in Fig. 2 Vertically perpendicular to the plane extending vertical, so that the current processing cross-section 63 does not coincide with the desired upper edges of the slot 60.
  • the longitudinal axis of the current Abarbeitungsqueriteses is rotated relative to the desired position by an angle ⁇ . This rotation can be detected by means of the gyroscope according to the invention and, if necessary, measures can be taken to counteract the rotation.
  • the invention it is provided to detect the rotational position of the slot wall device already during the creation of the slot. This makes it possible to take corrective measures while the slot is being made.

Claims (9)

  1. Dispositif pour paroi moulée, en particulier fraise pour paroi moulée ou grappin pour paroi moulé, avec
    - un dispositif de travail du sol, qui comprend un châssis (20) sur le dessous duquel sont placés des moyens d'enlèvement du sol voisin, et
    - des moyens pour descendre au moins approximativement verticalement le dispositif de travail du sol dans le sol,
    - au moins un dispositif de mesure, en particulier un gyroscope (2), étant prévu sur le châssis (20) pour déterminer une position de rotation du dispositif de travail du sol autour de la verticale (50),
    caractérisé en ce qu'au moins un capteur d'accélération (23) est prévu pour la compensation d'un signal de sortie du dispositif de mesure (2).
  2. Dispositif pour paroi moulée selon la revendication 1, caractérisé
    - en ce qu'au moins un actionneur est prévu pour faire tourner le dispositif de travail du sol autour de la verticale (50), et
    - en ce qu'une commande est prévue, qui est en liaison de signal avec l'actionneur et avec le gyroscope (2) au nombre d'au moins un pour piloter automatiquement la position de rotation du dispositif de travail du sol.
  3. Dispositif pour paroi moulée selon la revendication 2, caractérisé en ce que l'actionneur au nombre d'au moins un comprend une surface de guidage disposée sur le châssis (20), qui peut être déplacée d'une première position en retrait à une deuxième position avancée pour s'appuyer sur une paroi intérieure de la fente créée.
  4. Dispositif pour paroi moulée selon l'une quelconque des revendications 2 ou 3,
    caractérisé
    - en ce que le châssis (20) est réalisé en deux parties avec une première partie de châssis et une deuxième partie de châssis,
    - en ce que les moyens pour enlever le sol voisin sont placés sur la première partie de châssis, et
    - en ce que l'actionneur au nombre d'au moins un est conformé pour déplacer, en particulier faire tourner autour de la verticale (50), la première partie de châssis par rapport à la deuxième partie de châssis.
  5. Dispositif pour paroi moulée selon l'une quelconque des revendications 2 à 4,
    caractérisé
    en ce que les moyens d'enlèvement du sol voisin comprennent des roues de fraisage et
    en ce que la commande est en liaison de signal avec un dispositif d'entraînement des roues de fraisage.
  6. Dispositif pour paroi moulée selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que les moyens de descente du dispositif de travail du sol comprennent au moins un câble porteur (30, 30') sur lequel est accroché le châssis (20).
  7. Dispositif pour paroi moulée selon l'une quelconque des revendications 1 à 6,
    caractérisé en ce que la section du châssis (20) est plus petite que la section d'enlèvement des moyens d'enlèvement du sol voisin, afin de permettre un transport du matériau de sol enlevé à l'extérieur du châssis.
  8. Dispositif pour paroi moulée selon l'une quelconque des revendications 1 à 7,
    caractérisé en ce qu'un récepteur de navigation satellitaire est prévu, qui est en liaison de signal avec le gyroscope (2).
  9. Procédé pour réaliser une paroi moulée dans le sol, en particulier avec un dispositif pour paroi moulée selon l'une quelconque des revendications 1 à 8,
    dans lequel
    - des moyens placés sur le dessous d'un châssis (20) d'un dispositif de travail du sol sont actionnés pour enlever le sol voisin,
    - le dispositif de travail du sol est descendu dans le sol dans une direction au moins approximativement verticale, et
    - une position de rotation du dispositif de travail du sol autour de la verticale (50) est déterminée au moyen d'au moins un dispositif de mesure placé sur le châssis (20), en particulier d'un gyroscope (2),
    caractérisé
    - en ce qu'un signal de sortie du dispositif de mesure est compensé au moyen d'au moins un capteur d'accélération.
EP05025692A 2005-11-24 2005-11-24 Fraiseuse à rideau souterrainet procédé pour creuser des tranchées dans le sol Not-in-force EP1790779B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP05025692A EP1790779B1 (fr) 2005-11-24 2005-11-24 Fraiseuse à rideau souterrainet procédé pour creuser des tranchées dans le sol
DE502005006435T DE502005006435D1 (de) 2005-11-24 2005-11-24 Schlitzwandgerät und Verfahren zum Erstellen eines Schlitzes im Boden
AT05025692T ATE420249T1 (de) 2005-11-24 2005-11-24 Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden
ES05025692T ES2319310T3 (es) 2005-11-24 2005-11-24 Fresa de muro pantalla y metodo para la produccion de una ranura en el suelo.
JP2006316497A JP4495716B2 (ja) 2005-11-24 2006-11-24 トレンチウォール装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05025692A EP1790779B1 (fr) 2005-11-24 2005-11-24 Fraiseuse à rideau souterrainet procédé pour creuser des tranchées dans le sol

Publications (2)

Publication Number Publication Date
EP1790779A1 EP1790779A1 (fr) 2007-05-30
EP1790779B1 true EP1790779B1 (fr) 2009-01-07

Family

ID=36284303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05025692A Not-in-force EP1790779B1 (fr) 2005-11-24 2005-11-24 Fraiseuse à rideau souterrainet procédé pour creuser des tranchées dans le sol

Country Status (5)

Country Link
EP (1) EP1790779B1 (fr)
JP (1) JP4495716B2 (fr)
AT (1) ATE420249T1 (fr)
DE (1) DE502005006435D1 (fr)
ES (1) ES2319310T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102146686A (zh) * 2011-01-31 2011-08-10 大连重工通用设备有限责任公司 斗轮挖掘机
US10119368B2 (en) 2013-07-05 2018-11-06 Bruce A. Tunget Apparatus and method for cultivating a downhole surface

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4033032B1 (fr) * 2021-01-21 2023-06-14 BAUER Spezialtiefbau GmbH Procédés et appareil de génie civil destiné au traitement du sol

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2982890B2 (ja) * 1994-10-03 1999-11-29 株式会社大林組 地盤掘削機の姿勢計測装置および姿勢制御方法
TW424122B (en) 1997-09-18 2001-03-01 Bauer Spezialtiefbau Slurry wall means
FR2785946B1 (fr) * 1998-11-18 2001-01-26 Spie Fond S Procede et dispositif de localisation de forage, outil et unite de forage et forage
JP3613144B2 (ja) * 2000-06-09 2005-01-26 コベルコ建機株式会社 溝掘削機、溝掘削機における溝壁形状表示方法および溝壁形状修正方法
DE10308539B3 (de) * 2003-02-27 2004-06-03 Bauer Maschinen Gmbh Fräsvorrichtung zum Fräsen von Schlitzen im Boden

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102146686A (zh) * 2011-01-31 2011-08-10 大连重工通用设备有限责任公司 斗轮挖掘机
CN102146686B (zh) * 2011-01-31 2012-07-25 大连重工通用设备有限责任公司 斗轮挖掘机
US10119368B2 (en) 2013-07-05 2018-11-06 Bruce A. Tunget Apparatus and method for cultivating a downhole surface

Also Published As

Publication number Publication date
DE502005006435D1 (de) 2009-02-26
ATE420249T1 (de) 2009-01-15
JP2007146642A (ja) 2007-06-14
ES2319310T3 (es) 2009-05-06
JP4495716B2 (ja) 2010-07-07
EP1790779A1 (fr) 2007-05-30

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