EP3964649B1 - Machine de construction pour le génie civil spécial - Google Patents

Machine de construction pour le génie civil spécial Download PDF

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Publication number
EP3964649B1
EP3964649B1 EP20194280.2A EP20194280A EP3964649B1 EP 3964649 B1 EP3964649 B1 EP 3964649B1 EP 20194280 A EP20194280 A EP 20194280A EP 3964649 B1 EP3964649 B1 EP 3964649B1
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EP
European Patent Office
Prior art keywords
cable
leader
feed
construction machine
tensioning drum
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
EP20194280.2A
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German (de)
English (en)
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EP3964649A1 (fr
Inventor
Albrecht Kleibl
Christian Heichel
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.)
ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
Original Assignee
ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
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
Application filed by ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH filed Critical ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
Priority to EP20194280.2A priority Critical patent/EP3964649B1/fr
Priority to US17/388,384 priority patent/US12006652B2/en
Publication of EP3964649A1 publication Critical patent/EP3964649A1/fr
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Publication of EP3964649B1 publication Critical patent/EP3964649B1/fr
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Classifications

    • 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
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
    • E02D7/16—Scaffolds or supports for drivers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D11/00—Methods or apparatus specially adapted for both placing and removing sheet pile bulkheads, piles, or mould-pipes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E02D7/08—Drop drivers with free-falling hammer
    • 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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
    • 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 machine for special civil engineering, with a leader on which a feed carriage is guided, which has a receptacle for a working device, in particular a drilling or piling device, according to the preamble of patent claim 1.
  • Rotary drilling rigs are used in special foundation engineering, for example for Kelly drilling, double-head drilling or continuous auger drilling.
  • Kelly drilling is one of the most common drilling methods and is primarily used to produce bored piles for pile foundations.
  • a characteristic feature of rotary drilling rigs is a mast, technically called a leader, on which the working equipment, here drilling drives, are moved.
  • the tools are usually picked up by a feed slide that can be moved via a feed system and preloaded with great force.
  • the feed is regularly carried out via ropes, an upper rope for pulling the drilling tool and a lower rope, over which the on-board tool is pulled down.
  • the ropes used usually have a diameter of between 20 mm and 30 mm.
  • Such a rotary drilling rig is, for example, in EP 2 378 001 A1 described.
  • a feed winch is usually used as the feed drive for the feed carriage, on which the upper and lower ropes are wound up and which, when its rope drum rotates, simultaneously unwinds one rope and winds up the other. Both ropes can be attached directly to the feed carriage. Alternatively, two deflection rollers are installed on the feed carriage, through which the upper and lower ropes are each deflected by 180° and guided to assigned fixed points on the leader.
  • the feed cables which lengthen under load, to be continuously tensioned.
  • the ropes have to be slackened again avoid damaging them when turning the mast onto the carrier. Since the cables tend to elongate over time due to constant load, at least one of the feed cables is usually attached to a cable tensioning cylinder. Since the travel of such a rope tensioning cylinder is limited by the available free space on the leader, the ropes must be re-lashed regularly, at the latest when the tensioning cylinder has reached its maximum travel. The lashing is done either at the connection to the cable tensioning cylinder or at the fixed point.
  • Two feed ropes run over the first leader part, an upper feed rope, which is guided at the upper end of the leader over an upper deflection roller to the feed carriage, and a lower feed rope, which is guided over the lower deflection roller to the feed carriage.
  • the feed carriage is guided on the first leader part and can be moved in the longitudinal direction.
  • One end of both ropes is attached to the feed carriage. With the respective other end, the ropes are attached to a fixed point on the second leader part. If the leader parts are shifted against each other, the feed carriage guided on the first leader part moves at double the speed. Since two ropes are often installed in parallel in telescopic leaders, these must be of comparable tension to ensure even carrying.
  • the object of the present invention is to provide a construction machine for special civil engineering of the aforementioned type, which allows both simple assembly and lashing of the feed cable without impairing the cable strength. According to the invention, this object is achieved by a construction machine having the features of the characterizing part of claim 1.
  • the rope tensioner comprises a tensioning drum on which an end section of a feed rope with a plurality of, preferably at least three, rope windings is fastened results in a detachable end attachment of the feed rope achieved without affecting the rope strength.
  • the feed cable is re-tensioned by rotating the tensioning drum, with--in contrast to the tensioning cylinders used in the prior art--there are no space-related restrictions.
  • the end of the feed cable received by the tension drum is preferably fastened to the tension drum of the cable tensioner via a clamping wedge.
  • the first end of the feed cables is wound onto a drive winch.
  • the feed cables can also be guided over cable pulleys of a drive carriage, which can be displaced via a drive cylinder, in particular a hydraulic cylinder, which is attached to the leader. This enables the feed carriage to be driven reliably in both longitudinal directions along the leader.
  • the rope tensioner according to the invention which has a rope drum, is to be distinguished here from a (drive/feed) winch, which forms the drive for the feed ropes.
  • a (drive/feed) winch which forms the drive for the feed ropes.
  • this rope tensioner also allows a feed rope attached to it to be wound up or unwound, it is not used to drive the feed ropes; a drive winch or a drive hydraulic cylinder is also available for this purpose.
  • this cable tensioner is not able to cause the feed carriage to shift in both directions of movement.
  • the leader is a telescopic leader, which comprises a first leader part and a second leader part guided on this, as well as a hydraulic cylinder, via which the second leader part (outer leader) can be displaced in the longitudinal direction along the first leader part (inner leader), wherein the first feed rope and the second feed rope are each attached at one end to a fixed point of the first leader and at the other end to a fixed point of the feed carriage.
  • the rope tensioner has means for locking the tensioning drum in at least one rotational position. This allows easy retensioning of the feed cable by rotating the tensioning drum and then locking it.
  • the means for locking comprise a bolt which can be inserted through a first bore of a first bore pattern of a cable tensioner housing at least partially surrounding the tension drum into a second bore of a second bore pattern arranged in the tension drum.
  • a bolt which can be inserted through a first bore of a first bore pattern of a cable tensioner housing at least partially surrounding the tension drum into a second bore of a second bore pattern arranged in the tension drum.
  • the drilling pattern of the cable tensioner housing and the drilling pattern of the tensioning drum have different angular divisions. This achieves a large number of setting out positions.
  • two locating bores are arranged in the cable tensioner housing at an angle of 150° to one another in relation to the axis of rotation of the tensioning drum, and there are six locating bores in the tensioning drum, which are arranged at an angle of 60° to one another in relation to the axis of rotation of the tensioning drum .
  • This enables the cable drum to be locked in a grid of 30° increments.
  • the increment can be further reduced with additional holes, for example by two additional holes in the housing to 10°.
  • the tensioning drum has a receptacle for attaching a chain hoist or other tensioning device. This enables manual retensioning of the pretensioning cables.
  • the tensioning drum is connected to a motor over which it can be driven. This enables automatic re-tensioning of the pre-tensioning cables.
  • the tensioning drum is connected to a gear.
  • the gear is preferably a worm gear or an epicyclic gear or a cycloidal gear.
  • the gear is a self-locking gear that is designed in such a way that it cannot be driven via the tensioning drum. This allows for stepless re-tensioning of the lead rope.
  • the self-locking gear is preferably a worm gear or a self-locking planetary gear.
  • the tensioning drum can be provided with a brake which is only released when the tensioning drum is to be tightened or relaxed.
  • the rope tensioner comprises at least one sensor for detecting the rope tension that is present.
  • the sensor is preferably connected to an evaluation and display module for displaying the current cable tension.
  • the sensor can be connected to a control and regulation device, via which a motor connected to the cable drum can be controlled and which is set up based on a comparison of the actual cable tension values determined by the sensor with a stored setpoint cable tension value or a stored one Automatically correct the cable tension in the target cable tension range by controlling the motor. As a result, a largely constant rope tension can be achieved.
  • the at least one sensor for detecting the applied cable tension is a force measuring bolt, which is arranged in the tensioning drum.
  • a sensor for detecting the bearing forces of the cable tensioner can be arranged.
  • the selected as an exemplary construction machine is designed as a rotary drilling rig and consists essentially of a carrier device 1, which is connected via a rocker arm 2 with a leader 3, on which a feed carriage 4 for receiving a - drilling rig - not shown - is movably arranged.
  • a feed winch 31 is attached to the leader 3, via which the feed carriage 4 can be displaced along the leader 3 in both directions.
  • an upper rope 32 and a lower rope 33 are wound on the drive winch 31 in such a way that when one of these two ropes is wound up, the other is unwound and vice versa.
  • the rocker 2 comprises two substantially triangular rocker plates 21 arranged parallel to one another, the corners of which are rounded.
  • the rocker plates 21 of the rocker 2 are pivotally connected opposite each other to a corner with a part 22 of the parallel kinematics, which is pivotally mounted on the carrier device 1 .
  • the rocker plates 21 are pivotally connected to the leader 3 opposite one another at a second corner.
  • the third corner of each swing arm plate 21 is connected to a boom cylinder 23 mounted on the carrier 1 .
  • a support strut cylinder 24 is pivotally attached, the cylinder piston of which is pivotally attached to the leader 3 .
  • the lower cable 33 is guided along the leader 3 around two deflection rollers 34 attached to it to the feed carriage 4, where it is guided around a first deflection roller 41 attached to it via another deflection roller 34 attached to the leader 3 to a fixed point on the base of the leader 3 is.
  • the fixed point is formed by a cable tensioning cylinder 5, which is connected to the end of the lower cable via a clamping wedge 35.
  • the upper rope 32 is guided along the leader via two deflection rollers 34 attached to this to the feed carriage 4, where it is guided around a second deflection roller 42 attached to this to a fixed point of the leader 3 at the head.
  • the cable routing of the upper cable 32 and lower cable 33 around the deflection rollers 41, 42 attached to the feed carriage 4 is in figure 3 shown. As can be seen there, the two deflection rollers 41, 42 are connected to the feed carriage via spring assemblies 43.
  • the fixed point at the head is formed by a cable tensioner 6 .
  • the cable tensioner 6 is in figure 2 shown. It comprises a tensioning drum 61 which is rotatably mounted in a tensioning housing 62 .
  • the upper cable 32 is attached to the tension drum 61 by means of three cable turns, the cable end of the upper cable 32 being connected to the tension drum via a clamping wedge 611 and a clamping bolt 616 61 is connected.
  • the width of the tensioning drum 61 is selected in such a way that there is at least one free winding to accommodate rope during a retensioning process.
  • the tensioning drum 61 can be locked in different rotational positions by a locking bolt 63 .
  • the locking bolt penetrates both the tensioning housing 62 and the tensioning drum 61 mounted in it.
  • a first bore pattern is introduced in the tensioning housing 62, which comprises two locking bores 621, which are offset at an angle of 150° around the axis of rotation of the tensioning drum 62 to one another are arranged.
  • a second hole pattern in the tensioning drum 61 which comprises six locating holes 612, which are each arranged offset from one another by 60° around the axis of rotation of the tensioning drum 62.
  • the two bore patterns of the tensioning drum 61 and the tensioning housing 62 allow the tensioning drum to be locked in a grid of 30°.
  • threaded bores 613 are also made circumferentially in the tensioning drum 61 .
  • a clamping eyelet screw 614 is screwed into a threaded hole 613.
  • a hexagon 615 is arranged centrally in the tensioning drum shaft of the tensioning drum 61, via which the tensioning drum 61 can be rotated manually with a hexagonal key—not shown. Instead of the hexagon 615, any other suitable tool holder can also be arranged.
  • the tension drum shaft is firmly connected to the tension drum 61.
  • a tensioning element for example a chain hoist 8
  • a tension eyelet screw 614 which is screwed into a threaded bore 613 in the tensioning drum 61.
  • the locking pin 63 is then pulled.
  • Above the tensioning element is now rotated the tension drum, whereby the top cable 32 is wound onto the cable drum.
  • the locking bolt is guided through a locking bore 621 in the tensioning housing 62 and a locking bore 612 in the tensioning drum 61 aligned with this, as a result of which the latter is locked.
  • the clamping element can then be dismantled.
  • a gear can also be connected to the tensioning drum shaft as a tensioning element, via which retensioning by hand is possible. It is also possible to connect the tensioning drum shaft to a motor which is attached to the leader or the tensioning housing and which is used for retensioning. Automatic retensioning would also be possible via such a motor, with the motor being controlled via a control and regulating device whose input variable is the actual cable tension present and whose setpoint value is a predetermined setpoint cable tension.
  • a sensor for detecting the cable tension can be installed to detect the actual cable tension, for example in the form of a force measuring bolt in the tension drum 61 or a sensor for detecting the bearing forces of the feed cable. Based on the measured forces, the applied cable tension can be calculated using a calculation module. Alternatively, a memory unit can also be arranged, in which cable tensions determined by individual measurements are stored and assigned to the forces determined for this purpose.
  • the cable tensioner 6 can alternatively or additionally be attached as a lower cable fixed point (instead of the cable tensioning cylinder 5).
  • the cable tensioner 6 designed in this way also makes it possible to correct the position of the feed carriage 4 on the leader 3 and, for example, to set the end position.
  • a leader 3' of a further embodiment of a construction machine according to the invention is shown schematically.
  • a drive carriage 7 is mounted in the leader 3' in a longitudinally displaceable manner, which is connected to a hydraulic cylinder 36 via which it can be displaced.
  • the drive carriage 7 has two vertically spaced deflection rollers, a first, upper deflection roller 71 and a second, lower deflection roller 72.
  • the upper rope 32 is firmly connected to the feed carriage 4 and via a deflection roller 34 arranged at the head end of the leader and the first deflection roller 71 of the drive carriage 7 out, after which it is attached to a first fixed point 37 of the leader.
  • the lower rope 33 is firmly connected to the feed carriage 4 opposite the upper rope 32 and is guided over a deflection roller 34 arranged at the head end of the leader and around the second deflection roller 72 of the drive carriage 7, after which it is attached to a second fixed point formed by a rope tensioner 6 is.
  • the feed is initiated by the hydraulic cylinder 36, which moves the drive carriage 7 guided in the leader 3'.
  • the movement of the drive carriage 7 is effected in a movement of the feed carriage 4 in the opposite direction at twice the speed.
  • Upper cable 32 and lower cable 33 can be tightened via cable tensioner 6, which forms a fixed point.
  • a leader 3" of a third embodiment of a construction machine according to the invention is shown schematically.
  • the leader 3" is designed as a telescopic leader with an outer leader 38 which can be displaced in the longitudinal direction on an inner leader 39 via a hydraulic cylinder 36.
  • outside broker 38 and inner leader 39 are connected to one another via the hydraulic cylinder 36 .
  • the upper rope 32 is firmly connected to the feed carriage 4 and guided over a deflection roller 34 arranged at the head end of the outer leader 38 , after which it is attached to a first fixed point 37 of the inner leader 39 .
  • the lower rope 33 is firmly connected to the feed carriage 4 opposite the upper rope 32 and is guided over a deflection roller 34 arranged at the base of the outer leader 38 , after which it is attached to a second fixed point which is formed by a rope tensioner 6 .

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
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  • Geochemistry & Mineralogy (AREA)
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  • Earth Drilling (AREA)

Claims (15)

  1. Engin de chantier pour travaux spéciaux de génie civil, comprenant une jumelle (3) contre laquelle est guidé un chariot d'avance (4) qui présente un logement pour un appareil de travail, notamment un appareil de forage et de battage et qui est déplaçable via un premier câble d'avance - le câble supérieur - (32) et un deuxième câble d'avance - le câble inférieur - (33) via un treuil d'entraînement (31) ou un vérin d'entraînement (36) le long de la jumelle (3), sachant que le chariot d'avance (4) est relié aux câbles d'avance (32, 33) et sachant qu'au moins l'un des câbles d'avance (32, 33) est fixé contre un point fixe contre la jumelle (3) et/ou contre le chariot d'avance (4), sachant qu'au moins un point fixe est formé par un tendeur (6) de câble fixé contre la jumelle (3) ou le chariot d'avance (4), caractérisé en ce qu'au moins un tendeur (6) de câble comprend un tambour tendeur (61) sur lequel est fixé, avec plusieurs spires de câble, un segment terminal d'un câble d'avance (32, 33) de sorte qu'un rattrapage de tension du câble d'avance puisse avoir lieu via une rotation du tambour à câble.
  2. Engin de chantier selon la revendication 1, caractérisé en ce que le segment terminal du câble d'avance est fixé avec au moins trois spires de câble sur le tambour tendeur (61).
  3. Engin de chantier selon la revendication 1 ou 2, caractérisé en ce que l'extrémité du câble d'avance (32, 33) logé sur le tambour tendeur (61) est fixée via une cale de blocage (611) contre le tambour tendeur (61) du tendeur (6) de câble.
  4. Engin de chantier selon l'une des revendications 1 à 3, caractérisé en ce que les câbles d'avance (32, 33) sont enroulés par une première extrémité sur un treuil d'entraînement (31) ou guidés via des rouleaux de renvoi (71, 72) d'un chariot d'entraînement (7), lequel est déplaçable via un vérin d'entraînement, notamment un vérin hydraulique (36) qui est fixé contre la jumelle (3).
  5. Engin de chantier selon l'une des revendications 1 à 4, caractérisé en ce qu'au moins l'un des câbles d'avance (32, 33) est renvoyé via au moins un rouleau de renvoi (41, 42) fixé contre le chariot d'avance (4) et qu'il est fixé par sa seconde extrémité contre un point fixe contre la jumelle.
  6. Engin de chantier selon l'une des revendications 1 à 3, caractérisé en ce que la jumelle (3) est une jumelle télescopique comprenant une première partie de jumelle - la jumelle intérieure - (39) et une deuxième partie de jumelle - la jumelle extérieure - (38) guidée sur la première, ainsi qu'un vérin hydraulique (36) via lequel la deuxième partie de jumelle (38) est déplaçable dans le sens longitudinal le long de la première partie de jumelle (39), sachant que le premier câble d'avance (32) et le deuxième câble d'avance (33) sont chacun respectivement fixés par une extrémité contre un point fixe de la première partie de jumelle (39) et par l'autre extrémité contre un point fixe du chariot d'avance (4).
  7. Engin de chantier selon l'une des revendications précédentes, caractérisé en ce que le tendeur (6) de câble présente des moyens permettant de retenir le tambour tendeur (61) sur au moins une position de rotation.
  8. Engin de chantier selon la revendication 7, caractérisé en ce que les moyens de retenue comprennent un goujon de retenue (63) qu'il est possible d'enficher - à travers un premier alésage de délimitation (621) d'un premier schéma d'alésages d'un boîtier (62) de tendeur de câble entourant au moins localement le tambour tendeur (61) - dans un deuxième alésage de délimitation (612) d'un deuxième schéma d'alésages disposé dans le tambour tendeur (61), et/ou que les moyens de retenue comprennent un frein.
  9. Engin de chantier selon la revendication 8, caractérisé en ce que le schéma d'alésages du boîtier du tendeur de câble et le schéma d'alésages du tambour tendeur présentent différentes divisions angulaires.
  10. Engin de chantier selon la revendication 9, caractérisé en ce que dans le boîtier (62) du tendeur de câble sont disposés deux alésages de délimitation (621) formant réciproquement un angle de 150° par rapport à l'axe de rotation du tambour tendeur (61) et que dans le tambour tendeur (61) sont présents six alésages de délimitation (612) qui, par rapport à l'axe de rotation du tambour tendeur (61), sont disposés réciproquement selon un angle de respectivement 60°.
  11. Engin de chantier selon l'une des revendications précédentes, caractérisé en ce que le tambour tendeur (61) est relié à un moteur via lequel il est possible de l'entraîner et/ou que le tambour tendeur (61) est relié à un réducteur et/ou que le tambour tendeur présente des logements pour la fixation d'un palan à chaîne (8) ou d'un dispositif tendeur divers.
  12. Engin de chantier selon la revendication 11, caractérisé en ce que le réducteur est un réducteur à vis sans fin ou un réducteur à train épicycloïdal ou un réducteur cycloïdal.
  13. Engin de chantier selon la revendication 11 ou 12, caractérisé en ce que le réducteur est un réducteur autobloquant configuré de sorte qu'un entraînement ne puisse pas avoir lieu via le tambour tendeur (6).
  14. Engin de chantier selon l'une des revendications précédentes, caractérisé en ce que le tendeur de câble (6) comprend au moins un capteur pour saisir la tension de câble en présence.
  15. Engin de chantier selon la revendication 14, caractérisé en ce que le capteur est relié à un module d'analyse et d'affichage pour afficher la tension actuelle du câble et/ou relié à un dispositif de commande et de régulation, via lequel est commandable un moteur relié au tambour tendeur (61) et lequel est configuré de sorte à corriger automatiquement la tension du câble, via une commande du moteur, en comparant les valeurs réelles de tension de câble déterminées par le capteur et une valeur de consigne de tension de câble en mémoire ou une plage de consigne de tensions de câble en mémoire et/ou qu'au moins un capteur servant à saisir la tension de câble en présence est un goujon dynamométrique dans le tambour tendeur (61) et/ou un capteur pour saisir les forces d'appui du tendeur de câble.
EP20194280.2A 2020-09-03 2020-09-03 Machine de construction pour le génie civil spécial Active EP3964649B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20194280.2A EP3964649B1 (fr) 2020-09-03 2020-09-03 Machine de construction pour le génie civil spécial
US17/388,384 US12006652B2 (en) 2020-09-03 2021-07-29 Construction machine for special civil engineering

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EP20194280.2A EP3964649B1 (fr) 2020-09-03 2020-09-03 Machine de construction pour le génie civil spécial

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EP3964649A1 EP3964649A1 (fr) 2022-03-09
EP3964649B1 true EP3964649B1 (fr) 2022-07-13

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3854943B1 (fr) * 2020-01-23 2022-06-08 ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH Engin de génie civil
EP3964649B1 (fr) * 2020-09-03 2022-07-13 ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH Machine de construction pour le génie civil spécial

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EP3964649A1 (fr) 2022-03-09
US20220064891A1 (en) 2022-03-03
US12006652B2 (en) 2024-06-11

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