EP0919669B1 - Schlitzwandgreifer mit Korrektur der senkrechten Lage - Google Patents

Schlitzwandgreifer mit Korrektur der senkrechten Lage Download PDF

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Publication number
EP0919669B1
EP0919669B1 EP98402795A EP98402795A EP0919669B1 EP 0919669 B1 EP0919669 B1 EP 0919669B1 EP 98402795 A EP98402795 A EP 98402795A EP 98402795 A EP98402795 A EP 98402795A EP 0919669 B1 EP0919669 B1 EP 0919669B1
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EP
European Patent Office
Prior art keywords
skid
grab
frame
pivot pins
wings
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
EP98402795A
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English (en)
French (fr)
Other versions
EP0919669A2 (de
EP0919669A3 (de
Inventor
Joel Cano
Philippe Soletanche Bachy France Chagnot
Thierry Soletanche Bachy France Raymont
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.)
Compagnie du Sol SARL
Original Assignee
Compagnie du Sol SARL
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Publication date
Application filed by Compagnie du Sol SARL filed Critical Compagnie du Sol SARL
Publication of EP0919669A2 publication Critical patent/EP0919669A2/de
Publication of EP0919669A3 publication Critical patent/EP0919669A3/de
Application granted granted Critical
Publication of EP0919669B1 publication Critical patent/EP0919669B1/de
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
    • 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
    • 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
    • E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
    • E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets
    • E02F3/475—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets for making foundation slots

Definitions

  • the subject of the present invention is a drilling bucket of the type including verticality correction systems.
  • the drilling rigs can be used in particular to carry out excavations with significant depth. It is particularly but not exclusively the case when you want to make a wall molded in the ground. For this, we dig successively portions of trenches having the depth total desired, these trenches being subsequently filled with concrete to make the adjacent panels of the overall diaphragm wall.
  • An object of the present invention is to provide a drilling bucket provided with verticality correction devices which allow such corrections with greater precision than state machines the whatever the nature, that is to say the meaning, of the defects of verticality.
  • auxiliary shoe it is possible to additionally correcting verticality defects by correcting the position of the body grab in a direction that is orthogonal to the pivoting direction of drilling bucket pockets.
  • FIG. 1 there is shown the entire drilling bucket.
  • the drilling rig itself 10 which is suspended at the end of a arrow 12 by a cable system 14.
  • the arrow 12 is preferably mounted on a platform 16 equipped with tracks 18.
  • the arrow 12 is used for guiding towards the bucket 10 of pipes or electrical conductors such as 20 for hydraulic control and electrical movements and operation of the bucket 10.
  • the bucket 10 essentially comprises a body 22 provided with a frame 24.
  • the end upper 26 of the chassis 24 constitutes a point of mooring of the crane cables.
  • the lower end of the body 22 is equipped with two pockets 28 and 30 which are articulated around two parallel axes xx 'and yy' which are orthogonal to the planes of figure 1.
  • the body of the bucket 22 has a vertical axis in conditions of normal operation Z-Z '.
  • Z-Z ' To locate the position of the bucket assembly with respect to space, to this one can associate the vertical axes Z-Z ', an axis X-X 'parallel to the pivot axes x-x' and y-y 'and an axis Y-Y' in the plane of Figure 1, this axis Y-Y 'being orthogonal to the axes x-x' and y-y '.
  • the axis X-X ' identifies the thickness of the bucket and the axis Y-Y' identifies its width.
  • the body of the bucket 22 is equipped two position correction pads 32 and 34 which are mounted movable by relative to the chassis 24 of the body of the bucket as will be explained later.
  • the pads 32 and 34 are actually in contact with the wall of the trench during digging and that by changing the position of the body of bucket compared to these two skids, we can actually correct the verticality defects of the bucket making the trench.
  • FIG. 2a we have schematically represented the chassis 24 of the body of the bucket which has two vertical main faces 36 and 38 which are arranged in planes Y-Z and two lateral faces 40 and 42 which are arranged in X-Z planes. The outskirts of main faces 36 and 38 as well as the side faces 40 and 42 are covered by correction pads 32 and 34 respectively.
  • each shoe 32 or 34 has a U shape.
  • each shoe has two wings 44 and 46 arranged opposite the periphery of the main faces 36 and 38 and a portion central 48 which connects these two wings and which is opposite the lateral faces 40 and 42 of chassis 24.
  • Each shoe 32 and 34 is equipped with two displacement devices in the direction X-X 'arranged respectively at the upper end and at the lower end of the skate. These displacement devices are shown schematically in Figures 2a and 2b and are referenced 50 and 52.
  • the shoe 34 is of course also equipped with two displacement devices respectively upper and lower. As will be explained later in more detail, each displacement device 50 or 52 can be ordered separately.
  • the relative displacements of the chassis 24 relative to the pads 32 and 34 allow to correct at the upper and lower part of the body of grab the verticality errors with respect to the X, Y and Z axes.
  • At least one of the two pads is equipped with an auxiliary pad 56 which can be moved relative to the pad 32 itself in the Y direction. More specifically, the auxiliary shoe 56 is itself equipped with two displacement 58 and 60, respectively upper and lower. It is thus possible, by controlling the devices 58 and 60, to move the auxiliary shoe 56 by compared to shoe 32 in the Y-Z plane.
  • Figure 4a a preferred embodiment of the upper device 50 for moving the shoe 32 relative to the chassis 24 of the dumpster.
  • the displacement device 50 in the direction X-X ' is essentially constituted by a guide and mechanical securing shaft 60 and by a displacement cylinder 62.
  • the guide shaft 60 has its two ends 60a and 60b which are rigidly fixed on the wings 44 and 46 of the shoe 32.
  • the shaft 60 is slidably engaged in a socket 63 which is connected to the chassis of the body bucket by a pivot axis 64 arranged in the direction Y-Y '.
  • Cylinder 62 which is preferably double acting allowing to define three positions to its body 66 which is integral with the chassis of the body of the bucket.
  • the rod 68 of the jack 62 has its free end which is pivotally connected by a pin 70 engaged in the wing 44 of the skate.
  • the rod 68 of the jack can therefore move in the direction XX '.
  • the rod 68 can take a neutral position shown in Figure 4a in which the wings 44 and 46 of the skate are symmetrical with respect to the chassis of the body. We do not induce any verticality correction at the top of the skate.
  • the stem can take a fully retracted position as shown in Figure 4b. As shows this figure, it causes a tilt to the left with respect to the axis Z-Z 'of the skate. It can finally take a fully extended position.
  • FIG. 5a and 5b we will describe a mode preferred embodiment of the lower displacement device 52.
  • This device is still constituted by a jack 71 with three positions whose body 72 is integral with the frame 24 of the body of the bucket and whose free end of the rod 74 is mounted at pivoting on the wing 44 of the shoe 32.
  • the displacement device 52 comprises also a guide shaft 76 which is slidably mounted in a bushing 78 rigidly secured to the chassis of the body of the bucket. Shaft 76 is mounted sliding in the direction XX 'and is parallel to the axis of the rod 74 of the jack.
  • the ends 76a and 76b of the shaft 76 are engaged in oblong holes 80 and 82 formed in the wings 44 and 46 of the shoe 32. Shoulders 84 and 86 formed at the ends of the shaft 76 allow the useful mechanical connection between this tree and the wings of the skate while authorizing the degree of freedom necessary in the direction Z-Z '.
  • FIG. 5a the jack 71 is shown in its neutral position and the wings of the skate are therefore symmetrical with respect to the chassis of the body of the bucket.
  • FIG. 5b the jack is shown in its entirely position outlet, which gives the shoe 32 an inclination relative to the axis Z-Z '.
  • cylinders 62 and 71 of skid displacement devices 32 and 34 can be ordered independently. We understand that in this way it is possible to communicate to these two skids of relative displacements relative to the chassis of the body of skip allowing all verticality defect corrections except verticality defects in the Y-Z plane.
  • auxiliary shoe 56 which is connected to the displacement devices upper and lower respectively of the shoe 32 by means of two rod systems visible in Figure 3. These rods were respectively referenced 84 and 86.
  • the links are articulated at a first end on the displacement device 50 and 52 and at a second end on the shoe 56.
  • the upper link 84 constitutes a device for upper displacement of the shoe auxiliary while the lower link 86 constitutes the displacement device inferior.
  • a cylinder is provided to control the movements of the shoe 56.
  • control 88 whose free end of the rod 90 is articulated at the end of the lower link 86 and whose body 92 is pivotally mounted relative to the main skate movement device. This constitutes a deformable parallelogram.
  • the auxiliary shoe 56 therefore makes it possible to correct the vertical defects in the Y-Z plane by translational displacement according to the Y direction of the auxiliary shoe.
  • FIGS. 6 a to 6 c illustrate the corrections that can be made thanks to the displacement devices 50 and 52. It is understood that if one acts in the same way on the devices 50 and 52 of the same pad, one obtains a translational effect on this side of the body of the bucket. On the contrary, if the two devices are controlled differently, one obtains an inclination with respect to the "vertical" plane YZ.
  • FIG. 7a shows the auxiliary shoe 56 at rest, which does not produce no correction.
  • FIG. 7b shows an auxiliary shoe 56 in the extended position, which causes a translation of the body of the bucket in the direction Y-Y '.
  • each device for displacement of the pads 50, 52 comprises an axis 60, 76 integral with at least one wings 44, 46 of a shoe and arranged parallel to said pivot axes between said wings, a socket 63, 78 in which is slidably engaged said axis, said sleeve being integral with chassis 24 of said bucket and a cylinder 62, 71 whose body 66, 72 is integral with the chassis and whose rod 68, 74 is moves parallel to said axis, the free end of said rod being integral with a said wings.
  • the socket 63 of the upper displacement device 50 is made integral with the chassis by through a joint whose axis is parallel to the vertical axis of the chassis.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Manipulator (AREA)
  • Earth Drilling (AREA)
  • Component Parts Of Construction Machinery (AREA)

Claims (6)

  1. Schlitzwandgreifer mit einem Körper (22), der mit einem Gestell (24) versehen ist, wobei der genannte Körper über seinen oberen Teil aufgehängt und mit zwei Schalen (28, 30) versehen ist, die um zwei parallel zueinander verlaufende, am unteren Ende des Körpers angeordnete Schwenkachsen angelenkt sind, wobei der genannte Körper eine vertikale Achse aufweist, wobei das genannte Gestell zwei zu den Schwenkachsen orthogonale Hauptflächen und zwei zu den Schwenkachsen parallele Seitenflächen aufweist, wobei der genannte Greifer weiterhin Mittel zur Korrektur der Neigung des genannten Greifers aufweist, die zwei Kufen (32, 34) zum Neigen des Greifers enthalten, wobei jede Kufe zwei Flügel (44, 46) enthält, die zu den Schwenkachsen orthogonal und zu der vertikalen Achse parallel sind, die sich im Wesentlichen über die gesamte Höhe des Gestells erstrecken und die mit einem Mittelteil (48) verbunden sind, das den Seitenflächen des Gestells gegenüber liegt, wobei jede Kufe ein oberes Ende und ein unteres Ende aufweist, wobei der Abstand zwischen den beiden Flügeln einer Kufe größer ist als die Abmessung des Gestells entlang der Richtung der Schwenkachsen; wobei der genannte Greifer dadurch gekennzeichnet ist, dass er ebenfalls folgendes enthält:
    Mittel zum Bewegen jeder Kufe gegenüber dem Gestell, wobei jedes Bewegungsmittel eine obere Bewegungsvorrichtung (50) enthält, um das obere Ende der Kufe entlang einer zu den Schwenkachsen parallelen Richtung in die eine und in die andere Richtung zu bewegen, sowie eine untere Bewegungsvorrichtung (52), um das untere Ende der genannten Kufe entlang einer zu den Schwenkachsen parallelen Richtung in beide Richtungen zu bewegen; und
    Mittel, um die obere und die untere Vorrichtung zum Bewegen jeder Kufe separat zu steuern, wobei wenigstens eine der genannten Kufen (32) außerdem eine Hilfskufe (56) zur Neigungskorrektur aufweist, welche geeignet ist, aus der mittleren Fläche (48) der Kufe vorzuspringen, sowie Mittel (58, 60), um das obere Ende und das untere Ende der genannten Hilfskufe gegenüber der genannten Kufe entlang einer zu den Schwenkachsen orthogonalen Richtung zu verschieben.
  2. Schlitzwandgreifer nach Anspruch 1, dadurch gekennzeichnet, dass jede Vorrichtung (50, 52) zum Bewegen der Kufen eine Achse (60, 76), welche mit wenigstens einem der Flügel (44, 46) einer Kufe fest verbunden ist und parallel zu den Schwenkachsen zwischen den genannten Flügeln angeordnet ist, eine Hülse (63, 78), in welche die genannte Achse verschiebbar eingesteckt ist, wobei die genannte Hülse mit dem Gestell (24) des genannten Greifers fest verbunden ist, sowie einen Zylinder (62, 71) aufweist, dessen Körper (66, 72) mit dem Gestell fest verbunden ist und dessen Stange (68, 74) sich parallel zu der genannten Achse bewegt, wobei das freie Ende der genannten Stange mit einem der genannten Flügel fest verbunden ist.
  3. Schlitzwandgreifer nach Anspruch 2, dadurch gekennzeichnet, dass der genannte Zylinder (62, 71) ein Zylinder mit Doppelwirkung ist.
  4. Schlitzwandgreifer nach Anspruch 3, dadurch gekennzeichnet, dass der genannte Zylinder (62, 71) drei stabile Positionen definiert.
  5. Greifer nach irgendeinem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die Hülse (63) der oberen Bewegungsvorrichtung (50) mit dem Gestell des Greifers über eine Schwenkachse verbunden ist.
  6. Greifer nach irgendeinem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die genannte Hilfskufe (56) mit der Kufe (32) mittels zweier Schwingarme (84, 86) verbunden ist, die am oberen Ende bzw. am unteren Ende der Hilfskufe angelenkt sind.
EP98402795A 1997-11-25 1998-11-12 Schlitzwandgreifer mit Korrektur der senkrechten Lage Expired - Lifetime EP0919669B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9714761 1997-11-25
FR9714761A FR2771429B1 (fr) 1997-11-25 1997-11-25 Benne de forage a correction de verticalite

Publications (3)

Publication Number Publication Date
EP0919669A2 EP0919669A2 (de) 1999-06-02
EP0919669A3 EP0919669A3 (de) 1999-12-08
EP0919669B1 true EP0919669B1 (de) 2004-02-18

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EP98402795A Expired - Lifetime EP0919669B1 (de) 1997-11-25 1998-11-12 Schlitzwandgreifer mit Korrektur der senkrechten Lage

Country Status (3)

Country Link
EP (1) EP0919669B1 (de)
DE (1) DE69821726T2 (de)
FR (1) FR2771429B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101338572B (zh) * 2008-08-12 2010-10-20 石宗利 一种挖桩孔机
CN111827389A (zh) * 2019-04-18 2020-10-27 包尔机械有限公司 用于在土地中生成槽的槽壁抓夹设备和方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2160081B1 (es) * 1999-12-16 2002-06-01 Codina Juan Vicente Herrero Cuchara para maquinas excavadoras de muros pantallas y pilotes rectangulares, y maquina dotada de dicha cuchara.
EP1703023B1 (de) 2005-03-18 2011-06-22 BAUER Maschinen GmbH Tiefbauvorrichtung zum Herstellen von Schlitzen im Boden mit Lenk- und Steuereinrichtung
CN106836349A (zh) * 2017-03-31 2017-06-13 中国水电基础局有限公司 流塑态淤泥质夹砂地层成槽纠偏方法
CN110485495A (zh) * 2019-09-04 2019-11-22 北京三一智造科技有限公司 一种抓斗纠偏装置及成槽机
CN110905026B (zh) * 2019-12-23 2024-09-20 北京三一智造科技有限公司 抓斗纠偏装置、成槽机抓斗和成槽机
FR3107537B1 (fr) * 2020-02-25 2022-04-08 Soletanche Freyssinet Machine d’excavation ayant un châssis muni d’ailes de guidage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0791690A1 (de) * 1996-02-26 1997-08-27 SOILMEC S.p.A. Vorrichtung zur Neigungsverstellung eines Baggerkopfes zum Herstellen von Schlitzwänden

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724730A (en) * 1980-07-23 1982-02-09 Giken Seisakusho:Kk Clamshell bucket excavator
JPS5965124A (ja) * 1982-09-20 1984-04-13 Yutani Juko Kk バケツトの角度修正装置
JPH0756138B2 (ja) * 1986-11-13 1995-06-14 清水建設株式会社 可動ガイドを有する地中連続壁構築用掘削機
DE3933866A1 (de) * 1989-08-05 1991-04-11 Fromme Theo Zwangsgefuehrter schlitzwandgreifer
DE4119212C2 (de) * 1991-06-11 1996-06-27 Bauer Spezialtiefbau Verfahren zum Fräsen einer Schlitzwand
FR2696769B1 (fr) * 1992-10-12 1994-12-09 Sol Cie Appareil pour creuser dans le sol des tranchées de grande profondeur à l'aide de tambours de fraisage.
EP0649716A1 (de) * 1993-10-26 1995-04-26 CASAGRANDE SpA Fräser zur Formung von Schlitzfugen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0791690A1 (de) * 1996-02-26 1997-08-27 SOILMEC S.p.A. Vorrichtung zur Neigungsverstellung eines Baggerkopfes zum Herstellen von Schlitzwänden

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101338572B (zh) * 2008-08-12 2010-10-20 石宗利 一种挖桩孔机
CN111827389A (zh) * 2019-04-18 2020-10-27 包尔机械有限公司 用于在土地中生成槽的槽壁抓夹设备和方法

Also Published As

Publication number Publication date
FR2771429A1 (fr) 1999-05-28
FR2771429B1 (fr) 2000-02-18
EP0919669A2 (de) 1999-06-02
DE69821726D1 (de) 2004-03-25
DE69821726T2 (de) 2004-12-02
EP0919669A3 (de) 1999-12-08

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