EP3114283A1 - Dispositif de forage servant à réaliser un trou de forage et système de positionnement du dispositif de forage - Google Patents

Dispositif de forage servant à réaliser un trou de forage et système de positionnement du dispositif de forage

Info

Publication number
EP3114283A1
EP3114283A1 EP15708439.3A EP15708439A EP3114283A1 EP 3114283 A1 EP3114283 A1 EP 3114283A1 EP 15708439 A EP15708439 A EP 15708439A EP 3114283 A1 EP3114283 A1 EP 3114283A1
Authority
EP
European Patent Office
Prior art keywords
drilling device
arm
drilling
foundation pile
clamping
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.)
Granted
Application number
EP15708439.3A
Other languages
German (de)
English (en)
Other versions
EP3114283B1 (fr
Inventor
Dominik Robert Faisst
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.)
Herrenknecht AG
Original Assignee
Herrenknecht AG
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 Herrenknecht AG filed Critical Herrenknecht AG
Priority to EP19200407.5A priority Critical patent/EP3620579A1/fr
Publication of EP3114283A1 publication Critical patent/EP3114283A1/fr
Application granted granted Critical
Publication of EP3114283B1 publication Critical patent/EP3114283B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E02D17/16—Loosening of soil or rock, under water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/28—Placing of hollow pipes or mould pipes by means arranged inside the piles or pipes

Definitions

  • the invention relates to a drilling device for creating a bore for a foundation pile for establishing a structure in a body of water with a consisting of at least a first and a second body body, which are arranged one above the other and movable against each other, wherein the movement is provided by a feed device, with a drilling tool disposed on an arm movably connected to the lower body at the lower side thereof, comprising a jig adapted to clamp the drilling apparatus in the foundation pile disposed at a first end on the upper body and at the second end thereof
  • the bracing device comprises an arm on which the clamping element is arranged, wherein the arm of the bracing device is pivotable by means of a drive from a first position to a second position, in which the clamping element with de r wall of the foundation pile is engaged.
  • the invention relates to a system for positioning a drilling device for creating a bore for a foundation pile for establishing a structure in a body of water in the foundation pile, and a control and a method thereto.
  • a drilling device for creating a bore for a foundation pile for establishing a structure in a body of water in the foundation pile
  • a control and a method thereto In the construction of structures that support their foundations in or on ground, which is under water, these foundations are produced in different ways, with one-piece foundations, the use of so-called monopiles, ie single piles, have prevailed.
  • An alternative to this is the so-called jacket, which is a pyramidal structure, or tripods, each having several foundation points.
  • Such buildings are, for example, wind turbines or bridge structures.
  • CONFIRMATION COPY According to the state of the art, for example, so-called jackup rigs are provided at monopiles at the construction site, the working plane of which is provided with a slewing mechanism. In this swinging the pole is clamped, deflected from the horizontal to the vertical and lowered by opening the clamps on the seabed. The pile is then driven into the ground by means of pile driving.
  • a drilling device which is lowered starting from a working platform in a vertically positioned foundation pile.
  • the drilling device has an arm, at the end of which a drill roller is arranged, with which the soil located in or below the bored pile is removed, and then the bored pile is then lowered into the hollow space.
  • a drilling device is known, as described above.
  • the drilling device has a two-part body, which are displaceable against each other by means of a hydraulic cylinder.
  • an arm is arranged, at the end of which is a drill head. With this, the rock / soil located in or below the pile is released and carried away.
  • the housing is braced against the foundation pile.
  • pivotable arms are provided, at the end of which clamping elements are provided.
  • the arms are pivoted outward via hydraulic cylinders until the clamping elements engage the pile.
  • the bracing devices are respectively arranged at the upper and at the lower end of the outer housing part of the drilling device. It has been found that on the one hand, the bracing devices are in need of improvement. Furthermore, it has further been found that the drilling device is in need of improvement in terms of directional accuracy during drilling and in terms of positioning in the foundation pile.
  • the object of the invention is to improve the positioning and clamping of the drilling device in the foundation pile.
  • the object of the invention is achieved in that a guide device is provided, which is designed to guide the drilling device in the foundation pile, which is arranged with a first end on the lower body and having at its second end a sliding element that the guide device a Arm, on which the sliding element is arranged, wherein the arm of the guide device is pivotable by means of a drive from a first position to a second position, wherein the sliding member is in engagement with the wall of the foundation pile.
  • a handlebar is arranged with the same length as the arm, which is connected on both sides via a connecting element parallelogram with the arm, that the clamping element is connected to the connecting element, that the parallelogram of arm, handlebar and connecting elements is arranged in that the clamping element is aligned with the central axis of the drilling device and thus parallel to the wall of the foundation pile, that a guiding device is provided which is designed to guide the drilling device in the foundation pile, which is arranged with a first end on the lower body and at its second end a sliding element, that the guide device comprises an arm on which the sliding element is arranged, wherein the arm of the guide device is pivotable by means of a drive from a first position to a second position, wherein the sliding member with the wall of the foundation pile in Eingri ff is located.
  • a further teaching of the invention provides that the guide device is designed so that the sliding element lies flat against the inner wall of the foundation pile in the extended state and / or that the bracing is designed so that the clamping element surface on the inner wall of the foundation pile in the extended state is applied. Due to the flat concerns of the elements plan on the inner wall of the foundation pile positioning of the drilling device is improved in the foundation pile. Furthermore, the dynamic load transfer into the foundation pile is significantly improved in a simple manner.
  • Another teaching for more accurate positioning and better transfer of the resulting loads during drilling provides that parallel to the arm of the guide device and / or the bracing device a handlebar is arranged with the same length as the arm on both sides via a connecting element parallelogram with the arm is connected, that the sliding element and / or clamping element is connected to the respective connecting element, that the parallelogram of arm, link and connecting elements is arranged so that the sliding element or the clamping element is aligned with the central axis of the drilling device and thus parallel to the wall of the foundation pile.
  • Another teaching of the invention provides that between the arm of the bracing and / or arm of the guide device and the respective body there is an opening angle which opens in the direction of the drill head.
  • a further teaching of the invention provides that the drive for pivoting the arm of the bracing device and / or the arm of the guide device is at least one hydraulic cylinder. Another teaching of the invention provides that the sliding element is arranged pivotably relative to the arm, and / or that the drive element of the guide device engages the sliding element. Another teaching of the invention provides that the clamping element is provided with a friction lining, and / or that the sliding element is provided with a sliding coating. As a result, a simple operation and easy maintenance of the guide device and the clamping device are effected.
  • the feed device is at least one hydraulic cylinder.
  • Another teaching of the invention provides that the arm of the drilling tool via a rotary member and at least one linear drive, preferably a hydraulic cylinder, is pivotable. This is a simple way ensures that the entire area to be drilled can be reached with the drilling device.
  • a further teaching of the invention provides that the drill head is a drill head rotating about the longitudinal axis of the arm, preferably a cutting head with drilling tools such as cutting elements or chisels. This causes a good release of the soil.
  • a further teaching of the invention provides that the clamping element has a support surface at a lower side provided substantially at right angles to the friction side, in which a sensor, preferably a hydraulic cylinder, is preferably provided in the direction of the wellbore bottom.
  • a sensor preferably a hydraulic cylinder
  • the object according to the invention is achieved in that the boring device has radially movable clamping elements relative to an inner wall of the foundation pile, that the foundation pile has at least one positioning element provided on the inner wall of the pile, and that the clamping element of the boring device has at least one bearing surface with at least one contact sensor for determining the contact between the positioning element and the clamping element.
  • the positioning element is a cog or has a cog. This also makes it possible to derive the load of the drilling device in the foundation pile.
  • the positioning element is designed so that the static load of the drilling device on the support surface of the clamping element on the positioning element can be removed.
  • Another teaching of the invention provides that per clamping element of the drilling device, a positioning element is provided.
  • the senor is a hydraulic cylinder. By providing the sensor it will open Particularly simple way possible to make the positioning of the drilling device in the foundation pile more accurate.
  • Another teaching of the invention provides that a control described below is provided.
  • the object according to the invention is provided by a method for positioning the drilling device, preferably according to the previously described embodiment and / or in connection with a previously described system, in a foundation pile for establishing a structure in a body of water, a positioning element on the inner wall of the pile in that the boring device is inserted into the foundation pile with clamping elements arranged without engagement and that the boring device is aligned in the foundation pile, so that the clamping elements are radially aligned with the positioning elements, that the boring device is lowered above the positioning elements, the clamping elements are moved radially, until contact is made with the inner wall of the foundation pile, wherein the clamping elements are slidably disposed with respect to the borehole wall such that the boring device is lowered, as far as above Se disposed in the clamping elements nsoren a contact with the positioning elements is determined that the drilling device is lowered until the positioning elements at least partially carry the static load of the drilling device, and that the clamping elements are moved against the inner wall of the foundation pile, so that the
  • the object according to the invention is achieved by a control device for positioning a drilling device, preferably in accordance with the previously described embodiment and / or in connection with a previously described system, in particular for carrying out the method described above, which is carried out in such a way that after the drilling device in the pile has been inserted and lowered, with clamping elements of the drilling device being arranged so that they are not in engagement with the inner wall of the pile, the drilling device is aligned in the pile, so that the clamping elements are radially aligned with respect to positioning elements located on the inner wall of the drilling device, that the drilling device is lowered to above the positioning elements, that the clamping elements are moved in the direction of the borehole wall, until a contact with the borehole wall is made, wherein the clamping elements against the inner wall of the pile are slidably movable, that the Bohrvor direction is lowered until over in sensors disposed on the clamping elements are contacted with the positioning elements such that the drilling device is lowered until the positioning elements at least partially support the static load
  • Fig. 1 is a spatial side view of an inventive
  • Drilling device with extended guiding and bracing device Drilling device with extended guiding and bracing device
  • Fig. 2 is a spatial side view of an inventive
  • Fig. 3 is an enlarged spatial view of the upper portion of FIG. 1,
  • FIG. 4 is an enlarged perspective view of the upper portion of FIG. 2,
  • FIG. 5 shows an alternative view to FIG. 4
  • FIG. 6 is a spatially enlarged view of the lower portion of FIG. 1,
  • FIG. 7 is an alternative spatial enlarged view of the lower portion of FIG. 1,
  • FIG. 8 is a spatial enlarged view of the lower portion of FIG. 2,
  • FIG. 9 is an alternative spatial enlarged view of the lower portion of FIG. 2,
  • FIG. 10 is a plan view of FIG. 1
  • FIG. 11 is a plan view of FIG. 2
  • FIG. 12 is a detail view of the system according to the invention
  • FIG Fig. 3 is a further detail view of the system according to the invention.
  • FIGS. 1 and 2 show a drilling apparatus 10 having a base body 11, which has an upper body 12 and a lower body 13.
  • an arm 14 is disposed at the lower end of a drill head 15 is located.
  • the arm 14 is rotatably connected to the lower body 13 via a rotary member 16. Furthermore, it is pivotally connected via a hinge 17 with the rotary member 16.
  • a hydraulic cylinder 18 is provided, which is also connected via a hinge 19 on the upper side with the rotary member 16 and its lower side via a hinge 20 with the arm 14.
  • the rotary member 16 the arm 14 - drill head 15 combination can be rotated in the direction of rotation A.
  • the drill head 15 can be pivoted in the pivoting direction b.
  • the drill head 15 rotates in the direction of rotation C about the central axis of the arm 14.
  • a bracing device 21 (see also Figs. 3 and 4) which has four bracing elements 21a with an arm 22 composed of two arm sections 22a, 22b, each with a hinge 23, 23a are connected to the upper body 12.
  • the joints 23, 23a are arranged on an axis 24, on each of which a connecting element 25, 25a engages.
  • a joint 26 is provided, in which a parallel to the arm 22 arranged arm 27 of handlebar sections 27 a, 27 b is provided composed.
  • the link portions 27a, b connect to a third link portion 27c.
  • a connecting element 28 is provided, which is connected via a hinge 29 with the arm 22.
  • the link 27 is connected via a hinge 32 with the connecting element 28.
  • Handlebar 27, arm 22, connecting element 28 and connecting element 25 form a parallelogram.
  • Handlebar 27 and arm 22 have the same length.
  • the connecting element 28 is designed in one piece with the clamping element 30.
  • the joint 32 is provided on the upper side of the connecting element 28 and the clamping element 30, that connects the handlebar 27 with the clamping element 30 and thus with the connecting element 28.
  • a hydraulic cylinder 33 is articulated, via which the bracing device 21 or the individual Clamping element 21a is moved in the pivoting direction D. Due to the fact that arm 22, connecting element 25, link 27 and connecting element 28 or clamping element 30 form a parallelogram, the friction lining 31 arranged on the outer surface of clamping element 30 remains parallel to the inner wall of the foundation pile during pivoting in direction D, so that it pivots during pivoting away from the body 12 is moved flat against the inner wall of the foundation pile.
  • a guide device 34 is arranged (see Fig. 6 to Fig. 9).
  • This has four guide elements 34a.
  • the guide element 34a has an arm 35, which is pivotably arranged on the lower body 13 via a joint 36.
  • a sliding element 38 is provided at the outer end of the arm 35, on the outwardly facing surface of which a sliding lining 39 is arranged.
  • a handlebar 40 is provided, which is connected via a hinge 41 with the lower body 13 and a hinge 42 with the sliding member 38.
  • joint 41 and joint 36 and the distance between joint 42 and joint 37 is equal and the distance distances themselves are parallel to each other, so that here is a parallelogram, so that the sliding coating 39, which is arranged parallel to the inner wall of the foundation pile , remains parallel during pivoting of the guide device 34 in the direction E or its arm 35.
  • two hydraulic cylinders 43, 44 are arranged articulated, which pivots the sliding member 38 in the pivoting direction E outwardly to the inner wall of the foundation pile out.
  • a feed element 45 (see FIG. 5) is arranged in the form of a hydraulic cylinder. By this feed element 45, the lower body 13 can be compared to the upper body 12 to move in the feed direction F.
  • the drilling device 10 is inserted via a lifting device (not shown) in the foundation pile and lowered in this.
  • the bracing device 21 and the guide device 34 are folded in (see FIGS. 2, 4, 5, 8, 9 and 11). If the drilling device 10 is arranged at the intended drilling position in the foundation pile, the bracing device 21 is extended (see FIGS. 1, 3 and 10) via the actuation of the hydraulic cylinders 33, so that the clamping elements 30 with the friction linings 31 against the inner wall of the foundation pile until a sufficient force is applied to the inner wall of the foundation pile so that the dynamic loads resulting from the drilling and, if necessary, Also, the static load of the drilling device 1 1 h are removed via the bracing 21 on the foundation pile.
  • the guide devices 34 are also extended by actuating the hydraulic cylinders 43, 44 (see FIGS. 1, 6, 7 and 10), so that the sliding elements 38 with the sliding linings 39 rest against the inner wall of the foundation pile. as shown in Fig. 10.
  • the engraved circle 53 indicates the inner wall of the foundation pile.
  • the force applied in this case is such that the lower body 13 is movable relative to the foundation pile and simultaneously guided.
  • the drill head 15 is set in rotation and the arm 14 is rotated and pivoted about the rotary member 16 and the hydraulic cylinder 18.
  • the lower body 13 is lowered relative to the upper body via the feed elements 45.
  • a stable Bohrvorschub and thus a correct drilling direction is guaranteed.
  • the feed elements 45 are fully extended, they are retracted again in the direction of the upper body 12, so that the lower body 13 and, associated therewith, the drill head 15 again move into the foundation pile. Once the feed elements 45 have retracted completely, the drill head is in a secure position within the foundation pile. Subsequently, the foundation pile is lowered into the cavity made by the drilling apparatus 10, and the drilling operation is performed again until the hole has reached the intended depth on which the foundation pile is to be placed.
  • positioning members 46 are disposed at the corresponding position on the inner wall of the foundation pile (see FIGS. 12 and 13). These have a base 47 which is provided on the wall. Furthermore, a support surface 48 is provided at right angles thereto. To stabilize the support surface 48 relative to the base 47, a projection 49 is provided. The base 47 may also be omitted, so that the support surface 48 and the knob 49 are attached directly to the inner wall of the foundation pile.
  • a sensor 50 is provided, in which it is as shown in FIGS. 12 and 13 is preferably a hydraulic cylinder.
  • the clamping element 30 is applied against the base 47 by extending the cylinder 33 and pivoting in the direction D and the hydraulic cylinder 50 extended over the outer extent of the clamping element 30. Subsequently, the drilling device 10 is lowered further until the hydraulic cylinder 50 comes into contact with the bearing surface 48 of the positioning element 46. The lowering of the drilling device 10 is continued until the piston 51 of the cylinder 50 is retracted and a contact surface 52 rests on the support surface 48 of the positioning element. Alternatively, the pressure generated during retraction of the cylinders 50 and the position of the pistons 51 are monitored.
  • the drilling device 10 is in the desired position in the foundation pile.
  • the removal of the static load of the drilling device 10 is then carried out via contact surfaces 55 of the hydraulic cylinder 50 on the piston 51.
  • the hydraulic cylinder 33 is further actuated and clamped the clamping element 30 relative to the base 47.
  • the support surface 48 and the knob 49 are designed so that they can carry the static load of the drilling device 10. This load is introduced via the contact surface 52 in the positioning element 46.
  • Fig. 11 is further shown by a dashed circle 54 of the smallest circumference of the drilling device 10. This represents the smallest cross section through which the drilling device 10 can be passed when foundation piles with different diameters are used for foundation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Earth Drilling (AREA)

Abstract

L'invention concerne un dispositif de forage servant à réaliser un trou de forage pour un pieu de fondation destiné à la fondation d'un édifice dans un cours d'eau. Ledit dispositif comprend un outil de forage, qui est disposé sur un bras mobile, un dispositif de serrage, qui est configuré pour serrer le dispositif de forage dans le pieu de fondation, ledit dispositif de serrage étant disposé à l'extrémité supérieure et comportant un élément de blocage faisant office de butée. Le dispositif de serrage comporte un bras, sur lequel l'élément de blocage est disposé, le bras du dispositif de serrage pouvant pivoter au moyen d'un entraînement d'une première position à une deuxième position, dans laquelle l'élément de blocage est en contact avec la paroi du pieu de fondation. Un dispositif de guidage est destiné à guider le dispositif de forage dans le pieu de fondation, est disposé par une première extrémité sur le corps inférieur et présente à sa deuxième extrémité un élément coulissant. Le dispositif de guidage comporte un bras, sur lequel l'élément coulissant est disposé, le bras du dispositif de guidage pouvant pivoter au moyen d'un entraînement d'une première position à une deuxième position, dans laquelle l'élément coulissant est en contact avec la paroi du pieu de fondation.
EP15708439.3A 2014-03-06 2015-02-25 Dispositif de forage servant à réaliser un trou de forage et système de positionnement du dispositif de forage Active EP3114283B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19200407.5A EP3620579A1 (fr) 2014-03-06 2015-02-25 Dispositif de forage servant à réaliser un trou de forage et système de positionnement du dispositif de forage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014002968.9A DE102014002968A1 (de) 2014-03-06 2014-03-06 Bohrvorrichtung zum Erstellen einer Bohrung und System zum Positionieren der Bohrvorrichtung
PCT/EP2015/000432 WO2015131984A1 (fr) 2014-03-06 2015-02-25 Dispositif de forage servant à réaliser un trou de forage et système de positionnement du dispositif de forage

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP19200407.5A Division-Into EP3620579A1 (fr) 2014-03-06 2015-02-25 Dispositif de forage servant à réaliser un trou de forage et système de positionnement du dispositif de forage
EP19200407.5A Division EP3620579A1 (fr) 2014-03-06 2015-02-25 Dispositif de forage servant à réaliser un trou de forage et système de positionnement du dispositif de forage

Publications (2)

Publication Number Publication Date
EP3114283A1 true EP3114283A1 (fr) 2017-01-11
EP3114283B1 EP3114283B1 (fr) 2020-07-08

Family

ID=52630319

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19200407.5A Pending EP3620579A1 (fr) 2014-03-06 2015-02-25 Dispositif de forage servant à réaliser un trou de forage et système de positionnement du dispositif de forage
EP15708439.3A Active EP3114283B1 (fr) 2014-03-06 2015-02-25 Dispositif de forage servant à réaliser un trou de forage et système de positionnement du dispositif de forage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19200407.5A Pending EP3620579A1 (fr) 2014-03-06 2015-02-25 Dispositif de forage servant à réaliser un trou de forage et système de positionnement du dispositif de forage

Country Status (4)

Country Link
EP (2) EP3620579A1 (fr)
DE (1) DE102014002968A1 (fr)
DK (1) DK3114283T3 (fr)
WO (1) WO2015131984A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023062061A1 (fr) * 2021-10-13 2023-04-20 Gbm Works B.V. Dispositif de fluidisation détachable

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3805465A1 (fr) * 2019-10-08 2021-04-14 BAUER Maschinen GmbH Dispositif d'enlèvement sous l'eau et procédé d'enlèvement du matériau du sol sous l'eau
CN111206930B (zh) * 2020-04-08 2022-04-15 中铁工程装备集团有限公司 一种可变断面竖井开挖设备及施工方法
CN112030967B (zh) * 2020-08-28 2022-06-10 惠州市百益农业科技有限公司 一种畜牧养殖棚建造装置
DE102020125629B4 (de) 2020-09-30 2022-04-28 Herrenknecht Aktiengesellschaft System aus einem zylindrischen Hohlkörper und einer Bohrvorrichtung zum Erstellen einer Bohrung
DE102020008143A1 (de) 2020-09-30 2022-04-21 Herrenknecht Aktiengesellschaft Bohrvorrichtung zum Erstellen einer Bohrung
EP4350119A1 (fr) * 2022-10-06 2024-04-10 BAUER Maschinen GmbH Dispositif de forage sous-marin et procédé de construction d'un tubage sous-marin

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2638699B1 (fr) * 1988-11-08 1991-02-01 Technicatome Module deformable et application a un dispositif de transport se deplacant par reptation
DE3933866A1 (de) * 1989-08-05 1991-04-11 Fromme Theo Zwangsgefuehrter schlitzwandgreifer
DE102009023466B4 (de) 2009-06-02 2012-09-13 Herrenknecht Ag Verfahren und Vorrichtung zum Erstellen eines Unterwasserfundaments eines Bauwerks
NL2007882C2 (en) 2011-11-28 2013-05-30 Van Leeuwen Harmelen Bv Geb Excavator for discharging bottom parts from a bottom floor.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023062061A1 (fr) * 2021-10-13 2023-04-20 Gbm Works B.V. Dispositif de fluidisation détachable
NL2029399B1 (en) * 2021-10-13 2023-05-11 Gbm Works B V A detachable fluidisation device

Also Published As

Publication number Publication date
DE102014002968A1 (de) 2015-09-10
DK3114283T3 (da) 2020-10-12
WO2015131984A1 (fr) 2015-09-11
EP3114283B1 (fr) 2020-07-08
EP3620579A1 (fr) 2020-03-11

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