EP2133508B2 - Appareil de construction doté d'un mât téléscopique et procédé de fonctionnement d'un tel appareil - Google Patents

Appareil de construction doté d'un mât téléscopique et procédé de fonctionnement d'un tel appareil Download PDF

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Publication number
EP2133508B2
EP2133508B2 EP08010845.9A EP08010845A EP2133508B2 EP 2133508 B2 EP2133508 B2 EP 2133508B2 EP 08010845 A EP08010845 A EP 08010845A EP 2133508 B2 EP2133508 B2 EP 2133508B2
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EP
European Patent Office
Prior art keywords
mast
drive
mast element
drive part
linear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08010845.9A
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German (de)
English (en)
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EP2133508B1 (fr
EP2133508A1 (fr
Inventor
Erwin Emil Stötzer
Leonhard Weixler
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.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40437889&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2133508(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to DE502008002947T priority Critical patent/DE502008002947D1/de
Priority to EP08010845.9A priority patent/EP2133508B2/fr
Priority to AT08010845T priority patent/ATE503074T1/de
Priority to MX2009004994A priority patent/MX2009004994A/es
Priority to CA2666890A priority patent/CA2666890C/fr
Priority to EA200900649A priority patent/EA014597B1/ru
Priority to US12/457,342 priority patent/US8397833B2/en
Priority to BRPI0902015-2A priority patent/BRPI0902015A2/pt
Publication of EP2133508A1 publication Critical patent/EP2133508A1/fr
Publication of EP2133508B1 publication Critical patent/EP2133508B1/fr
Application granted granted Critical
Publication of EP2133508B2 publication Critical patent/EP2133508B2/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/023—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting the mast being foldable or telescopically retractable

Definitions

  • the invention relates to a construction work implement according to the preamble of claim 1.
  • a construction work implement is formed with an extendable mast having an upper mast member and a lower mast member, wherein the upper mast member is longitudinally displaceable relative to the lower mast member, a linear drive for displacing the two mast members relative to each other wherein the linear drive has an upper drive part, which is linearly actuated relative to a lower drive part of the linear drive, and a locking device for locking the two mast elements in an extended mast position.
  • the invention further relates to a method for operating a construction work implement, in particular a construction work implement according to the invention, according to claim 8.
  • a generic construction equipment is from the JP 2002-285775 known.
  • This document discloses a construction implement with a two-part extendable mast.
  • a mast cylinder is provided to its piston rod with the lower mast element.
  • the mast cylinder has a contact surface, which entrains the upper mast element during extension of the mast cylinder.
  • a feed cylinder for moving a drilling carriage is present.
  • the object of the invention is to provide a construction work implement and a method for operating a construction work tool, which allow for high reliability and versatility a particularly high efficiency.
  • An inventive construction tool is characterized in that the upper drive part of the linear drive is attached to the upper mast elements, that the lower drive part of the linear drive along the lower mast element is displaceable, and that on the lower mast element a fixing device is provided, with which the lower drive part of the linear drive for Moving the upper mast element releasably secured to the lower mast element.
  • an at least two-part mast is provided, the two mast parts extended by means of a linear drive and preferably can also be retracted again.
  • the linear drive is mounted on its upper side on the upper mast element.
  • a central idea of the invention can be seen in that the linear drive on its opposite lower side, however, is set only temporarily on the lower mast element, namely, when the two mast elements by means of the linear drive relative to each other or to be retracted.
  • the temporary attachment of the lower drive part to the lower mast element which is produced by means of the fixing device, makes it possible to transmit the pressure forces, which act upon extension and retraction of the mast elements in the linear drive, to the lower mast element.
  • the mast elements can be fixed relative to one another by means of the locking device, that is, the upper mast element is henceforth supported by the locking device.
  • the invention has recognized that after the production of the locking of the linear drive is no longer required for supporting the upper mast element, so that it can be used for other drive purposes.
  • the lower drive part of the linear drive released after locking the mast elements of the fixing device and thus be released from the lower mast element, so that the lower drive member again along the lower mast elements is displaceable.
  • the linear drive which was initially used to extend the mast, and is suspended from the upper mast element of the now locked mast can now serve other lifting tasks.
  • loads can be raised and lowered along the lower mast element by means of the linear drive.
  • the extension of the mast and the displacement of the drilling carriage along the mast can be accomplished with one and the same linear drive, so that no separate drive for the movement of the carriage relative to the mast is required. Consequently, according to the invention, a particularly economical and at the same time versatile construction equipment is obtained.
  • the linear drive only temporarily, namely in particular for the extension of the mast, is present at the mast base. If the mast is then extended to the desired height, in particular completely, the mast upper part is locked against the mast lower part.
  • the linear drive can henceforth be used for lifting tasks and, for this purpose, for example, be connected to the carriage at its lower drive part.
  • the construction work implement expediently has a control which is set up such that, in particular when the mast is extended, a connection between the lower drive part and the lower mast element for transmitting pressure forces from the lower drive part to the lower mast element is released via the fixing device, when the two mast elements are locked by means of the locking device.
  • the construction implement according to the invention may preferably be a soil cultivating device, for example a drilling device.
  • the linear drive according to the invention is used in particular for extending the upper mast element, ie for increasing the distance. But it can also be used to retract the upper mast element. For retraction can be provided, the lower drive member first set by means of the fixing device again on the lower mast element, then release the locking device and finally retract the linear drive together with the upper mast element. Under the displacement of the mast elements and the linear drive can thus be understood both an extension and a retraction. Under the upper mast element can be understood in particular the erdfernere of the two mast elements.
  • the upper drive part can also be hingedly attached to the upper mast element, so be articulated to the upper mast element.
  • the upper drive part is suitably attached to the upper mast element that tensile forces can be transmitted from the linear drive to the upper mast element via the attachment.
  • a guide device can be provided on the lower or / and on the upper mast element, which leads to the lower mast element displaceable lower drive part. According to the invention, such a guide can still be provided even if the lower drive part is released by the fixing device.
  • the locking device is expediently remotely operable, for example, hydraulically remote-controlled, and may in particular be formed positively.
  • it may have a bolt, in particular bolts, which is carried out for locking by corresponding recesses in the upper mast element and in the lower mast element.
  • the locking device may be provided on the lower mast element.
  • a frictional locking device can be provided.
  • the fixing device is expediently provided in the region of the mast base, that is in a remote from the upper mast element, the bottom end facing the lower mast element.
  • the fixing device defines the lower drive part only in one spatial direction on the lower mast element. Since the displacement of the upper mast element namely usually only compressive forces occur in linear operation, it may be sufficient if the fixing device secures the lower drive part against a directed from the upper mast element away, so a downward displacement.
  • the fixing device has a stop which expediently limits a displacement path of the lower drive part away from the upper mast element, that is to say limits the displacement path towards the bottom.
  • the fixing device is entirely passive without active control elements, so that a structurally particularly simple and reliable construction work equipment is obtained.
  • the stop is designed such that it can absorb at least the forces acting on the linear drive during the extension of the two mast elements and deliver them to the lower mast element.
  • the stop can also be adjustable. In particular, it can be moved out of the path of the lower drive part and retractable into the track. Also, the stop can be provided adjustable in height. According to the invention, the stop is arranged on the lower mast element.
  • a preferred embodiment of the invention is that the linear drive is a hydraulic cylinder.
  • the drive parts of the linear drive can be formed in this case by a piston rod or a cylinder housing of the hydraulic cylinder.
  • other linear drives such as a rack drive, conceivable.
  • the hydraulic cylinder is double-acting, so that both a controlled extension and a controlled retraction is possible.
  • the linear drive is a hydraulic cylinder with two opposite piston rods.
  • the upper drive part may be a first piston rod and the lower drive part may be a second piston rod, wherein a cylinder housing is arranged between the two piston rods. Due to the design with two piston rods, a particularly high buckling resistance can be achieved with low weight. If two piston rods are provided, the cylinder housing is expediently longitudinally displaceable both relative to the upper mast element and relative to the lower mast element.
  • a further advantageous embodiment of the invention is that on the mast a slidable along the mast sled, in particular with a drill drive, is provided.
  • the drill drive can be a rotary drive, a rotationally driven drive and in principle also a pure vibrator. It is particularly advantageous that the drill drive is pivotable on the carriage about a, preferably horizontally extending, axis. This makes it possible to arrange the output shaft of the drill drive for a simple attachment of a drill pipe section approximately horizontally, and then to pivot the output shaft together with the drill pipe attached thereto then for drilling into the vertical. Conveniently, the carriage is displaceable both along the lower mast element and along the upper mast element.
  • a connecting part for connecting the lower drive part to the slide is provided on the lower drive part of the linear drive.
  • This connecting part makes it possible, after locking the two mast elements, to connect the lower drive part of the linear drive with the slide and the rotary drive, so that the linear drive originally used for extension can henceforth serve to lift and lower the slide.
  • the connecting part is expediently provided at the lower end of the lower drive part.
  • the connecting part may be formed, for example, for a bolt connection to the carriage.
  • the stop of the fixing device which limits the displacement of the lower drive member, expediently arranged in the path of the connecting part.
  • the lower drive part is on the connecting part on the stop and is thus determined via the connecting part temporarily on the lower mast element.
  • auxiliary slide is provided on the mast, and that means are provided for connecting the auxiliary slide to the carriage.
  • the carriage can be moved along the mast even if the carriage is not connected to the lower drive part of the linear drive.
  • an additional force can be exerted on the carriage, which acts in addition to the force of the linear drive. This can be advantageous in particular when pulling a drill string.
  • the carriage can be provided to connect the carriage during the displacement, in particular extension of the upper mast element with the auxiliary slide, since in this case the linear drive is required for actuating the upper mast element and is not available for operating the carriage.
  • the auxiliary slide can also be connected when pulling a drill string with the carriage.
  • the carriage can be simultaneously connected to the lower drive part of the linear drive, so that the auxiliary slide can support the linear drive, or the carriage can be separated from the lower drive part, so that the auxiliary slide applies the tensile forces alone.
  • the means for connecting the auxiliary carriage to the carriage are expediently provided for a bolt connection.
  • the means for connecting the auxiliary carriage to the carriage are for example hydraulic remotely operable, so that a reliable operation is given even in hard to reach sled.
  • auxiliary slide is arranged above the carriage.
  • an arrangement below the slide would be conceivable.
  • the auxiliary slide is displaceable both along the upper mast element and along the lower mast element.
  • a particularly large stroke of the auxiliary slide, but also the hereby connectable carriage and thus the drill drive is given, so that, for example, a particularly time-saving pulling the drill pipe is made possible.
  • a drive in particular a winch drive, is provided for displacing the auxiliary slide.
  • the winch drive can be designed for lifting the auxiliary slide, whereas the lowering of the auxiliary slide is done by gravity.
  • the winch drive has a winch.
  • This winch is preferably arranged on a frame, on which the lower mast element is arranged.
  • the frame may be, for example, a vehicle body.
  • the lower mast element can be pivoted about a horizontal axis on the frame, so that the mast can be folded down for transport.
  • a bottom-side mast extension can be provided, which is located at erect mast below the lower mast element.
  • a winch cable of the winch drive is guided around at least one deflection roller arranged on the upper mast element.
  • This pulley is suitably provided in the region of the mast head.
  • a particularly compact and reliable design can be obtained.
  • two pulleys for the winch rope with parallel, spaced axes are provided on the upper mast element in the region of the mast head.
  • the winch cable is guided around a deflection roller arranged on the auxiliary slide and / or that the winch cable is guided around a deflection roller provided on the frame.
  • a pulley mechanism can be created, which reduces the force to be applied by the winch, which is advantageous, for example, for pulling a heavy drill pipe.
  • a further advantageous embodiment of the invention is that the two mast elements are telescopic.
  • the retracted mast elements are arranged inside each other, wherein expediently the upper mast element is arranged within the lower mast element.
  • the two mast elements can also be provided laterally offset.
  • the two mast elements on an aligned guide, such as guide rail, for the carriage and / or the auxiliary slide, so that the carriage or the auxiliary slide along both mast elements is movable
  • the inventive method is provided for operating a construction work implement with an extendable mast having an upper mast member and a lower mast member, wherein the upper mast member relative to the lower Mast element is longitudinally displaceable.
  • the method for operating a construction work device according to the invention can be provided.
  • a linear drive which has an upper drive part and a lower drive part, wherein the upper drive part relative to the lower drive part is linearly actuated, and wherein the upper drive part of the linear drive is attached to the upper mast element, the lower drive part for the transmission of Defined compressive forces from the linear drive in the lower mast element on the lower mast element, and extended the linear drive and thereby extended the upper mast element.
  • the two mast elements are locked in an extended mast position according to the inventive method.
  • the lower drive part is released from the lower mast element and moved the lower drive member along the lower mast element according to the inventive method, and thereby raising a arranged on the lower drive part payload.
  • the lower drive member for transmitting the compressive forces is set only in one spatial direction on the lower mast member, namely, when the lower drive member is secured against downward movement.
  • a particularly preferred development of the method is that the lower drive part is connected after locking the two mast elements with a drill drive, and that the lower drive part is moved together with the drill drive along the lower mast element.
  • the payload is at least partially formed by the drill drive.
  • FIGS. 1 to 11 An embodiment of a construction apparatus according to the invention is in the FIGS. 1 to 11 shown.
  • Fig. 1 shows, the construction equipment on a horizontally extending frame 70, which is pushed onto a trailer, not shown, for transport purposes, and which rises above four hydraulically actuated supports 75 on the ground.
  • a mast 1 is hinged to the frame 70.
  • the mast 1 is pivotable about the pivoting 77 around between an approximately vertical operating position shown in the figures and a horizontal transport position, not shown, in which the mast 1 extends approximately parallel to the frame 70.
  • a Hydraulic cylinder assembly 76 is provided, which is articulated on the one hand on the frame 70 and on the other hand on the mast 1.
  • the mast 1 has an upper mast element 2 and a lower mast element 3, wherein the upper mast element 2 relative to the lower mast element 3 and the frame 70 along the drilling axis 100 is displaceable.
  • the mast 1 can be retracted and extended.
  • Fig. 1 shows the mast 1 in a retracted position
  • Fig. 4 shows the mast 1 in an extended position.
  • the in Fig. 1 illustrated retracted state is the upper mast element 2 on the lower mast element 3, so that a further method of the upper mast element 2 is inhibited downwards by the lower mast element 3.
  • a linear drive 10 For active displacement of the two mast elements 2 and 3 relative to each other, that is, for extension and retraction of the mast 1, a linear drive 10 is provided.
  • This linear drive 10 has an upper drive part 12 and a lower drive part 13, wherein the two drive parts 12 and 13 during operation of the linear drive 10 along the drilling axis 100 are actively shifted from each other.
  • the linear drive 10 is designed as a hydraulic cylinder with double piston rod.
  • the linear drive 10 has a central cylinder housing 11, on the upper side of which an upper piston rod 16 and on the underside of which a lower piston rod 17 can be extended and retracted.
  • the upper drive part 12 is formed by the upper piston rod 16 and the lower drive part 13 is formed by the lower piston rod 17.
  • the trained as a hydraulic cylinder linear actuator 10 extends inside the mast along the drilling axis 100.
  • the upper drive member 12 (the upper piston rod 16) is articulated in the upper region of the upper mast element 2.
  • the linear drive 10 is suspended on the upper mast element 2.
  • the lower drive part 13, that is, the lower piston rod 17, however, is displaceably mounted parallel to the drilling axis 100 along the lower mast element 3. However, at least temporarily, the displacement is limited by a fixing device 30 described in more detail below.
  • the construction implement has a carriage 40 which is provided along the mast 1, in particular along both mast elements 2 and 3, displaceable on the mast 1.
  • a drill drive 41 is arranged on the carriage 40. This drill drive 41 can be used to rotate an example in Fig. 9 shown drill string 44 serve around the drilling axis 100.
  • the carriage 40 is detachably connected to an auxiliary slide 60, which is also provided along the mast 1, in particular along both mast elements 2 and 3, displaceable on the mast 1.
  • the auxiliary carriage 60 is disposed above the carriage 40.
  • a Ver connecting device 61 is provided, which is formed in the illustrated embodiment by a bolt on the carriage 40 and a corresponding recess on the auxiliary slide 60.
  • a winch drive is provided for active movement of the auxiliary slide 60 and of the slide 40 optionally connected thereto.
  • the winch drive has a winch 72, which serves to tumble a winch cable 73.
  • the winch rope 73 extends from the winch 72 successively to two deflection rollers 9, 9 ', which are provided axially parallel at the upper end of the upper mast element 2.
  • the winch cable 73 extends along the drilling axis 100 down to a further deflection roller 69, which is arranged on the auxiliary slide 60. To this guide roller 69 of the auxiliary slide 60, the winch cable 73 is guided around and runs from there back up to the upper portion of the upper mast element 2 back.
  • the winch cable 73 is deflected by a deflection device, not shown in detail, from which it again runs down to a further deflection roller 79, which is provided on the frame 70.
  • the winch cable 73 coming from the auxiliary carriage 60 is deflected around this deflection roller 79 of the frame 70 and extends from the deflection roller 79 upwards again to the upper end of the upper mast element 2, where the winch cable 73 is finally attached at the end.
  • the linear drive 10 is suspended on the upper mast element 2.
  • a block-shaped connecting part 50 is fixed to the lower drive part 13, which is guided longitudinally displaceable on the lower mast element 3.
  • This connecting part 50 is, as in Fig. 2 shown provided for making a releasable connection with the carriage 40.
  • the connecting part 50 may for example comprise means for producing a bolt connection.
  • Fig. 1 Furthermore, shows the construction work device on a fixing device 30.
  • This fixing device 30 is designed as a stop 31, which inhibits a movement of the lower drive member 13 relative to the lower mast element 3.
  • the stop 31 is disposed in the path of the connecting part 50, so that the movement of the lower drive part 13 is inhibited via the connecting part 50.
  • the fixing device 30 makes it possible to temporarily fix the lower drive part 13 to the lower mast element 3, namely at the times at which the lower drive part 13 and / or the connection part 50 rests against the stop 31.
  • the linear drive 10 is in operative connection both with the upper mast element 2 and with the lower mast element 3, so that these mast elements 2 and 3 can be extended by actuating the linear drive 10.
  • a remotely actuatable locking device 20 is provided in the upper region of the lower mast element 3.
  • This locking device 20 has a locking element which can be inserted for locking in a corresponding recess in the upper mast element 2.
  • Fig. 1 shows the construction implement in a state immediately after the mast 1 has been brought by means of the hydraulic cylinder assembly 76 in the vertical operating position.
  • the auxiliary slide 60 is connected in this state with the carriage 40 and is located together with the carriage 40 in an upper region of the mast 1 at the top Mast element 2.
  • the upper mast element 2 is retracted and stands on the lower mast element 3.
  • the linear drive 10 is almost completely retracted, wherein the lower drive part 13 rests on the connecting part 50 at the stop 31 of the fixing device 30.
  • the auxiliary slide 60 is first lowered by the carriage 40 by operating the cable winch 72. Then, the carriage 40 is connected to the connecting part 50 and thus the lower drive part 13, wherein the connecting means 61 releases the carriage 40 from the auxiliary slide 60. This condition is in Fig. 2 shown.
  • the auxiliary slide 60 is then raised by operating the winch 72 in an upper portion of the mast 1 and thereby lifted off the carriage 40.
  • the carriage 40 remains connected in a lower region of the mast 1 via the connecting part 50 with the lower drive part 13.
  • the linear drive 10 is actuated, so that the opposite piston rods 16 and 17, which form the upper drive part 12 and the lower drive part 13, extend out of the cylinder housing 11.
  • the lower drive part 13 stands on the connecting part 50 on the stop 31 of the fixing device 30.
  • pressure forces from the linear drive 10, and in particular the weight of the upper mast element 2 can be introduced into the lower mast element 3, so that an upward reaction force on the upper mast element. 2 can be exercised to extend the upper mast element 2.
  • the linear drive 10 thus presses together with the upper mast element 2 on the stop 31 upwards, so that the upper mast element 2 moves relative to the lower mast element 3 upwards.
  • the locking device 20 is actuated, that is, a locking element of the locking device 20 is retracted into a corresponding recess on the upper mast element 2.
  • the weight of the upper mast element 2 can henceforth be introduced via the locking device 20 into the lower mast element 3, so that the linear drive 10 is now available for lifting tasks, in particular for lifting the carriage 40 relative to the mast 1.
  • Fig. 5 The use of the linear drive for lifting the carriage 40 is in Fig. 5 illustrated. Since the upper mast element 2 is supported by the locking device 20, the linear drive 10 can be retracted without the upper mast element 2 thereby retracting. Since the upper drive part 12 is suspended on the upper mast element 2, the lower drive part 13 is moved relative to the lower mast element 3 when retracting the linear drive 10 upwards. As a result, the connecting part 50 and the carriage 40 attached thereto are also raised and the carriage 40 is thus moved along the lower mast element 3.
  • the carriage 40 can be moved together with the drill drive 41 by operating the same linear actuator 10 along the mast 1 up and down, which was initially used to extend the mast 1.
  • FIGS. 7 to 9 show the installation of a drill string 44 on the drill drive 41.
  • the drill drive 41 is pivotally connected to the carriage 40 about a horizontally extending axis.
  • the drill drive can thus in the in Fig. 7 shown horizontal position can be pivoted, in which the drill pipe 44 can be inserted horizontally into the drill drive 41.
  • the carriage 40 with the drill drive 41 is thereby displaced by extending the linear drive 10 into a lower region of the mast 1.
  • a holding device 80 may be provided, with which the drill pipe 44' can be temporarily held.
  • This holding device 80 may, for example, have at least one releasable clamping tongs.
  • the auxiliary carriage 60 with the winch 72 can be used to actuate the carriage 40.
  • the carriage 40 is connected via the connecting device 61 with the auxiliary slide 60 and the carriage 40 is released from the connecting part 50.
  • the connecting part 50 is disposed in the path of the carriage 40 and thereby limits the stroke of the carriage 40, the connecting part 50 is suitably as in the Figures 10 and 11 shown by extending the linear actuator 10 is disposed in a lower position, so that the carriage stroke is not limited.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Claims (9)

  1. Engin de chantier, avec :
    - un mât télescopique (1) avec un élément de mât supérieur (2) et un élément de mât inférieur (3), l'élément de mât supérieur (2) étant mobile longitudinalement par rapport à l'élément de mât inférieur (3),
    - un entraînement linéaire (10) pour déplacer les deux éléments de mât (2, 3) l'un par rapport à l'autre, l'entraînement linéaire (10) comprenant une partie d'entraînement supérieure (12) qui peut être actionnée linéairement par rapport à une partie d'entraînement inférieure (13) de l'entraînement linéaire (10), et
    - un dispositif de verrouillage (20) pour verrouiller les deux éléments de mât (2, 3) dans une position sortie du mât,
    caractérisé :
    - en ce que la partie d'entraînement supérieure (12) de l'entraînement linéaire (10) est fixée à l'élément de mât supérieur (2),
    - en ce que la partie d'entraînement inférieure (13) de l'entraînement linéaire (10) est mobile le long de l'élément de mât inférieur (3), et
    - en ce qu'il est prévu sur l'élément de mât inférieur (3) un dispositif d'immobilisation (30) formé de manière passive, avec lequel la partie d'entraînement inférieure (13) peut être immobilisée de manière amovible sur l'élément de mât inférieur (3) afin de déplacer l'élément de mât supérieur (2), le dispositif d'immobilisation (30) comprenant une butée (31) qui limite une course de déplacement d'éloignement de la partie d'entraînement inférieure (13) par rapport à l'élément de mât supérieur (2) et permet une libération par rapport à la butée (31) par retrait de la partie d'entraînement inférieure (13).
  2. Engin de chantier selon la revendication 1,
    caractérisé en ce que l'entraînement linéaire (10) est un vérin hydraulique avec deux tiges (16, 17) de piston mutuellement opposées.
  3. Engin de chantier selon l'une quelconque des revendications précédentes,
    caractérisé
    - en ce que sur le mât (1) est prévu un chariot (40) mobile le long du mât (1) avec un entraînement de forage (41), et
    - en ce que sur la partie d'entraînement inférieure (13) de l'entraînement linéaire (10) est prévue une partie de jonction (50) pour relier la partie d'entraînement inférieure (13) au chariot (40).
  4. Engin de chantier selon la revendication 3,
    caractérisé
    - en ce que sur le mât (1) est prévu un chariot auxiliaire (60) mobile le long du mât, et
    - en ce que des moyens sont prévus pour relier le chariot auxiliaire (60) au chariot (40).
  5. Engin de chantier selon la revendication 4,
    caractérisé
    - en ce que le chariot auxiliaire (60) est placé au-dessus du chariot (40), et
    - en ce que le chariot auxiliaire (60) est mobile aussi bien le long de l'élément de mât supérieur (2) que le long de l'élément de mât inférieur (3).
  6. Engin de chantier selon l'une quelconque des revendications 4 ou 5,
    caractérisé en ce que
    - un entraînement à treuil est prévu pour déplacer le chariot auxiliaire (60),
    - l'entraînement à treuil comprenant un treuil (72) qui est placé sur un cadre (70) sur lequel est placé l'élément de mât inférieur (3),
    - un câble (73) de treuil de l'entraînement à treuil passant autour d'au moins un galet de renvoi (9, 9') placé sur l'élément de mât supérieur (2),
    - le câble (73) de treuil passant autour d'un galet de renvoi (69) placé sur le chariot auxiliaire (60), et
    - le câble (73) de treuil passant autour d'un galet de renvoi (79) prévu sur le cadre (70).
  7. Engin de chantier selon l'une quelconque des revendications précédentes, caractérisé en ce que les deux éléments (2, 3) de mât sont télescopiques.
  8. Procédé de fonctionnement d'un engin de chantier avec un mât télescopique (1) qui comprend un élément de mât supérieur (2) et un élément de mât inférieur (3), l'élément de mât supérieur (2) étant mobile longitudinalement par rapport à l'élément de mât inférieur (3), en particulier pour faire fonctionner un engin de chantier selon l'une quelconque des revendications précédentes, dans lequel
    - un entraînement linéaire (10) est prévu, qui comprend une partie d'entraînement supérieure (12) et une partie d'entraînement inférieure (13), la partie d'entraînement supérieure (12) pouvant être actionnée linéairement par rapport à la partie d'entraînement inférieure (13), et la partie d'entraînement supérieure (12) de l'entraînement linéaire (10) étant fixée sur l'élément de mât supérieur (2),
    - la partie d'entraînement inférieure (13) étant immobilisée sur l'élément de mât inférieur (3) pour transmettre des forces de pression de l'entraînement linéaire (10) vers l'élément de mât inférieur (3) avec un dispositif d'immobilisation (30) formé de manière passive et qui comprend une butée (31) qui limite une course de déplacement d'éloignement de la partie d'entraînement inférieure (13) par rapport à l'élément de mât supérieur (2),
    - l'entraînement linéaire (10) est sorti et l'élément de mât supérieur (2) est alors sorti,
    - les deux éléments (2, 3) de mât sont ensuite verrouillés dans une position sortie du mât,
    - la partie d'entraînement inférieure (13) est ensuite libérée de l'élément de mât inférieur (3) par retrait par rapport à la butée (31), et
    - la partie d'entraînement inférieure (13) est déplacée le long de l'élément de mât inférieur (3) et une charge utile placée sur la partie d'entraînement inférieure (13) est soulevée.
  9. Procédé selon la revendication 8,
    caractérisé en ce qu'après le verrouillage des deux éléments (2, 3) de mât, la partie d'entraînement inférieure (13) est reliée à un entraînement (41) de forage, et en ce que la partie d'entraînement inférieure (13) est déplacée avec l'entraînement (41) de forage le long de l'élément de mât inférieur (3).
EP08010845.9A 2008-06-13 2008-06-13 Appareil de construction doté d'un mât téléscopique et procédé de fonctionnement d'un tel appareil Active EP2133508B2 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE502008002947T DE502008002947D1 (de) 2008-06-13 2008-06-13 Bauarbeitsgerät mit ausfahrbarem Mast und Verfahren zum Betrieb eines solchen Bauarbeitsgerätes
EP08010845.9A EP2133508B2 (fr) 2008-06-13 2008-06-13 Appareil de construction doté d'un mât téléscopique et procédé de fonctionnement d'un tel appareil
AT08010845T ATE503074T1 (de) 2008-06-13 2008-06-13 Bauarbeitsgerät mit ausfahrbarem mast und verfahren zum betrieb eines solchen bauarbeitsgerätes
MX2009004994A MX2009004994A (es) 2008-06-13 2009-05-11 Aparato de construccion con mastil extensible y procedimiento para la operacion de un aparato de construccion de este tipo.
CA2666890A CA2666890C (fr) 2008-06-13 2009-05-26 Appareillage de construction avec mat extensible et methode de manoeuvre dudit appareillage
EA200900649A EA014597B1 (ru) 2008-06-13 2009-06-03 Строительная машина с выдвижной мачтой и способ эксплуатации такой машины
US12/457,342 US8397833B2 (en) 2008-06-13 2009-06-08 Construction apparatus with extendable mast and method for operating such a construction apparatus
BRPI0902015-2A BRPI0902015A2 (pt) 2008-06-13 2009-06-09 implemento de construção com mastro extraìvel e processo para operação desse implemento de construção

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08010845.9A EP2133508B2 (fr) 2008-06-13 2008-06-13 Appareil de construction doté d'un mât téléscopique et procédé de fonctionnement d'un tel appareil

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Publication Number Publication Date
EP2133508A1 EP2133508A1 (fr) 2009-12-16
EP2133508B1 EP2133508B1 (fr) 2011-03-23
EP2133508B2 true EP2133508B2 (fr) 2015-03-18

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US (1) US8397833B2 (fr)
EP (1) EP2133508B2 (fr)
AT (1) ATE503074T1 (fr)
BR (1) BRPI0902015A2 (fr)
CA (1) CA2666890C (fr)
DE (1) DE502008002947D1 (fr)
EA (1) EA014597B1 (fr)
MX (1) MX2009004994A (fr)

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Also Published As

Publication number Publication date
US8397833B2 (en) 2013-03-19
ATE503074T1 (de) 2011-04-15
US20090314547A1 (en) 2009-12-24
MX2009004994A (es) 2010-01-15
BRPI0902015A2 (pt) 2010-04-13
EA014597B1 (ru) 2010-12-30
EA200900649A1 (ru) 2009-12-30
EP2133508B1 (fr) 2011-03-23
CA2666890A1 (fr) 2009-12-13
EP2133508A1 (fr) 2009-12-16
DE502008002947D1 (de) 2011-05-05
CA2666890C (fr) 2011-08-23

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