EP2647769B1 - Milling head for use on a work machine - Google Patents
Milling head for use on a work machine Download PDFInfo
- Publication number
- EP2647769B1 EP2647769B1 EP20130160040 EP13160040A EP2647769B1 EP 2647769 B1 EP2647769 B1 EP 2647769B1 EP 20130160040 EP20130160040 EP 20130160040 EP 13160040 A EP13160040 A EP 13160040A EP 2647769 B1 EP2647769 B1 EP 2647769B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- milling
- chain
- hydraulic motor
- hydraulic
- slicing chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
- E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
- E02F3/085—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain with auxiliary or additional digging elements other than digging elements on an endless chain
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
- E02F3/10—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain with tools that only loosen the material, i.e. with cutter-type chains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
- E02F3/12—Component parts, e.g. bucket troughs
- E02F3/14—Buckets; Chains; Guides for buckets or chains; Drives for chains
- E02F3/145—Buckets; Chains; Guides for buckets or chains; Drives for chains drives
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
- E02F3/246—Digging wheels; Digging elements of wheels; Drives for wheels drives
Definitions
- the invention relates to a milling device adaptable to a building or public works machine, having a milling assembly comprising a slicer chain and two lateral milling heads.
- the document WO 2012/045327 discloses cutting heads for slicing machines or cutting machines comprising such cutting heads, the working width of the milling assembly is significantly greater than the transverse dimension of the hydraulic drive motor.
- WO 03/033826 (Simex Engineering) describes a device comprising a hydraulic motor located between two heads, so that the transverse dimension of this hydraulic motor is much smaller than the working width of the milling assembly.
- a first object of the invention is to provide a new milling device for reducing the working width or width of the excavations or trenches made to a value corresponding substantially to the transverse dimension of the hydraulic drive motor.
- a second object of the invention is to provide a new milling device of simple and economical design.
- the invention relates to a milling device having a body adaptable to a building or public works machine, having a milling assembly comprising a slicer chain and two side milling heads, said milling assembly being driven. by a hydraulic motor mounted in a protective casing, characterized in that the working width of the milling assembly substantially corresponds to the transverse dimension of the hydraulic drive motor and the fact that the device comprises a transmission with gears arranged laterally outside a protective casing of the slicer chain.
- a device comprises a frame or body (1) having a mounting flange (1a) on a building machine or public works not shown.
- the milling heads (2) and the slicer chain (3) carry suitable peaks for digging a hard material or making a trench.
- the milling side heads (2) are rotated synchronously with the slicer chain (3).
- the slicer chain (3) is protected by a slicer chain guard (3a) (3).
- the frame or body (1) carries laterally, externally to the casing (3a) for protecting the slicer chain, a gearbox (5) protected by a cover (5a) for protecting the transmission.
- the frame or body (1) also comprises, on the opposite side to the cover (5a) for protecting the transmission, a cover (4a) for access to a hydraulic drive motor (4) supplied with hydraulic fluid by the control unit. building or public works not shown.
- the working width of the milling assembly (2, 3) substantially corresponds to the transverse dimension.
- the frame or body (1) further has a hatch (6a) for mounting a drive shaft of the slicer chain (3).
- the hoses (4b, 4c) are preferably arranged through a recess or passage (1b) of the body (1), so as to be protected during milling operations.
- the hydraulic motor (4) supplied with hydraulic fluid by the hoses (4b, 4c) comprises a drive shaft (4d) on which is fixed a motor pinion (7) meshing with a torque multiplier pinion (8).
- the torque multiplier gear (8) in turn meshes with a slicer chain drive gear (9).
- the working width of the milling assembly consisting of the two milling heads (2) and the slicer chain (3) is substantially equal to the transverse dimension of the hydraulic motor (4) drive.
- This arrangement makes it possible to obtain a reduced working width, notably smaller than the working widths of the prior art.
- the axis of rotation (4d) of the hydraulic motor (4) is parallel to a drive shaft (6) of the slicer chain (3), and preferably parallel to the axis (10) carrying the pinion (8) torque multiplier.
- the transmission (5) comprising the axles (4d, 6 and 10) respectively carrying the pinions (7, 8 and 9) is mounted in a protective casing disposed laterally outside the casing (3a) for protecting the slicer chain (3).
- the cover (4a) of the hydraulic motor (4) is arranged externally to the guard (3a) for protecting the slicer chain (3), so that the hydraulic motor (4) is partially embedded inside the ends of the housing ( 3a) for protecting the slicer chain (3).
- the hydraulic motor (4) is mounted in the frame or body (1) of the device near the mounting flange (1a) on the building or public works machine not shown.
- the milling assembly comprising the two milling heads (2) and the slicer chain (3) is assembled on a shaft (11) carrying a front pinion (12) meshing with the slicer chain (3).
- the shaft (11) serves to mount the two milling heads (2) via flanges (2a) and screws (2b).
- the bearings used are preferably tapered roller bearings mounted in opposition.
- the slicer chain (3) is arranged in front of the protective casing of the hydraulic motor (4).
- the protective casing of the hydraulic motor (4) has a curved face (14) allowing a good clearance of the chain slicer (3) and a good evacuation of the materials possibly driven by the peaks of the slicer chain (3).
- the modular arrangement of the device according to the invention allows easy access to the transmission and the hydraulic motor, and this independently, without interfering with the working members.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
- Sawing (AREA)
Description
L'invention est relative à un dispositif de fraisage adaptable sur une machine de bâtiment ou travaux publics, présentant un ensemble de fraisage comportant une chaîne trancheuse et deux têtes latérales de fraisage.The invention relates to a milling device adaptable to a building or public works machine, having a milling assembly comprising a slicer chain and two lateral milling heads.
Le document
Le document
Le document
Un premier but de l'invention est de fournir un nouveau dispositif de fraisage permettant de réduire la largeur de travail ou largeur des excavations ou tranchées réalisées à une valeur correspondant sensiblement à la dimension transversale du moteur hydraulique d'entraînement.A first object of the invention is to provide a new milling device for reducing the working width or width of the excavations or trenches made to a value corresponding substantially to the transverse dimension of the hydraulic drive motor.
Un deuxième but de l'invention est de fournir un nouveau dispositif de fraisage de conception simple et économique.A second object of the invention is to provide a new milling device of simple and economical design.
L'invention a pour objet un dispositif de fraisage présentant un corps adaptable sur une machine de bâtiment ou travaux publics, présentant un ensemble de fraisage comportant une chaîne trancheuse et deux têtes latérales de fraisage, ledit ensemble de fraisage étant entraîné par un moteur hydraulique monté dans un carter de protection, caractérisé en combinaison par le fait que la largeur de travail de l'ensemble de fraisage correspond sensiblement à la dimension transversale du moteur hydraulique d'entraînement et par le fait que le dispositif comporte une transmission à engrenages disposée latéralement extérieurement à un carter de protection de la chaîne trancheuse.The invention relates to a milling device having a body adaptable to a building or public works machine, having a milling assembly comprising a slicer chain and two side milling heads, said milling assembly being driven. by a hydraulic motor mounted in a protective casing, characterized in that the working width of the milling assembly substantially corresponds to the transverse dimension of the hydraulic drive motor and the fact that the device comprises a transmission with gears arranged laterally outside a protective casing of the slicer chain.
Selon d'autres caractéristiques alternatives de l'invention :
- l'axe de rotation du moteur hydraulique est sensiblement parallèle à un axe d'entraînement de la chaîne trancheuse ;
- la transmission à engrenages comporte un pignon moteur, un pignon multiplicateur de couple et un pignon d'entraînement de chaîne trancheuse ;
- les têtes latérales de fraisage sont solidarisées à un arbre entraîné en rotation par la chaîne trancheuse ;
- les têtes latérales de fraisage sont montées aux extrémités de l'arbre entraîné par la chaîne trancheuse ;
- la chaîne trancheuse est entraînée par un arbre portant une roue dentée et le pignon d'entraînement de chaîne trancheuse ;
- le moteur hydraulique est accessible par un couvercle latéral disposé extérieurement au carter de protection de la chaîne trancheuse ;
- le moteur hydraulique est monté dans le corps du dispositif à proximité d'une bride de montage sur une machine de bâtiment ou travaux publics ;
- la bride de montage présente un évidement ou passage pour le raccordement de canalisations d'alimentation en fluide hydraulique du moteur hydraulique.
- the axis of rotation of the hydraulic motor is substantially parallel to a drive axis of the slicer chain;
- the gear transmission comprises a driving pinion, a torque multiplier pinion and a slicer chain drive sprocket;
- the lateral milling heads are secured to a shaft driven in rotation by the slicer chain;
- the lateral milling heads are mounted at the ends of the shaft driven by the slicer chain;
- the slicer chain is driven by a shaft carrying a gear wheel and the slicer chain drive sprocket;
- the hydraulic motor is accessible by a lateral cover arranged externally to the protective casing of the slicer chain;
- the hydraulic motor is mounted in the body of the device near a mounting flange on a building or public works machine;
- the mounting flange has a recess or passage for the connection of hydraulic fluid supply lines of the hydraulic motor.
L'invention sera mieux comprise grâce à la description qui va suivre, donnée à titre d'exemple non limitatif en référence aux dessins annexés dans lesquels :
- La
figure 1 représente schématiquement une vue en perspective dans le sens de la flèche I de lafigure 2 d'un dispositif selon l'invention. - La
figure 2 représente schématiquement une vue en perspective dans le sens de la flèche II de lafigure 1 d'un dispositif selon l'invention. - La
figure 3 représente schématiquement une vue en coupe selon la ligne III-III de lafigure 4 d'un dispositif selon l'invention. - La
figure 4 représente schématiquement une vue en coupe selon la ligne IV-IV de lafigure 3 d'un dispositif selon l'invention.
- The
figure 1 schematically represents a perspective view in the direction of the arrow I of thefigure 2 of a device according to the invention. - The
figure 2 schematically represents a perspective view in the direction of the arrow II of thefigure 1 of a device according to the invention. - The
figure 3 schematically represents a sectional view along the line III-III of thefigure 4 of a device according to the invention. - The
figure 4 schematically represents a sectional view along the line IV-IV of thefigure 3 of a device according to the invention.
En référence aux
Sur les
À l'extrémité du bâti ou corps (1) opposée à la bride de montage (1a), sont disposées deux têtes de fraisage (2) et une chaîne trancheuse (3).At the end of the frame or body (1) opposite the mounting flange (1a), are disposed two milling heads (2) and a slicer chain (3).
De manière connue, les têtes de fraisage (2) et la chaîne trancheuse (3) portent des pics adaptés pour creuser un matériau dur ou réaliser une tranchée.In known manner, the milling heads (2) and the slicer chain (3) carry suitable peaks for digging a hard material or making a trench.
Les têtes latérales de fraisage (2) sont entraînées en rotation de manière synchronisée avec la chaîne trancheuse (3).The milling side heads (2) are rotated synchronously with the slicer chain (3).
La chaîne trancheuse (3) est protégée par un carter (3a) de protection de chaîne trancheuse (3).The slicer chain (3) is protected by a slicer chain guard (3a) (3).
Le bâti ou corps (1) porte latéralement, extérieurement au carter (3a) de protection de la chaîne trancheuse, un boîtier d'engrenage (5) protégé par un couvercle (5a) de protection de la transmission.The frame or body (1) carries laterally, externally to the casing (3a) for protecting the slicer chain, a gearbox (5) protected by a cover (5a) for protecting the transmission.
Le bâti ou corps (1) comporte également, du côté opposé au couvercle (5a) de protection de la transmission, un couvercle (4a) d'accès à un moteur hydraulique d'entraînement (4) alimenté en fluide hydraulique par la machine de bâtiment ou travaux publics non représentée.The frame or body (1) also comprises, on the opposite side to the cover (5a) for protecting the transmission, a cover (4a) for access to a hydraulic drive motor (4) supplied with hydraulic fluid by the control unit. building or public works not shown.
Dans le dispositif selon l'invention présentant un ensemble de fraisage comportant une chaîne trancheuse (3) et deux têtes (2) latérales de fraisage, la largeur de travail de l'ensemble de fraisage (2, 3) correspond sensiblement à la dimension transversale du moteur hydraulique (4) d'entraînement.In the device according to the invention having a milling assembly comprising a slicer chain (3) and two lateral milling heads (2), the working width of the milling assembly (2, 3) substantially corresponds to the transverse dimension. the hydraulic drive motor (4).
Le bâti ou corps (1) présente en outre une trappe (6a) de montage d'un arbre d'entraînement de la chaîne trancheuse (3).The frame or body (1) further has a hatch (6a) for mounting a drive shaft of the slicer chain (3).
Sur la
Les flexibles (4b, 4c) sont de préférence disposés à travers un évidement ou passage (1b) du corps (1), de manière à être protégés lors des opérations de fraisage.The hoses (4b, 4c) are preferably arranged through a recess or passage (1b) of the body (1), so as to be protected during milling operations.
Le moteur hydraulique (4) alimenté en fluide hydraulique par les flexibles (4b, 4c) comporte un axe d'entraînement (4d) sur lequel est fixé un pignon moteur (7) engrenant avec un pignon multiplicateur (8) de couple.The hydraulic motor (4) supplied with hydraulic fluid by the hoses (4b, 4c) comprises a drive shaft (4d) on which is fixed a motor pinion (7) meshing with a torque multiplier pinion (8).
Le fait de disposer la transmission (5) à engrenages latéralement extérieurement au carter (3a) de protection de la chaîne trancheuse (3) permet de ne pas augmenter la largeur de travail de l'ensemble de fraisage, car la largeur de la transmission correspond à la longueur de l'axe (4d) de sortie du moteur hydraulique (4) d'entraînement.Providing the gear transmission (5) laterally outwardly to the guard (3a) of the slicer chain (3) makes it possible not to increase the working width of the milling assembly, because the width of the transmission corresponds to at the length of the output shaft (4d) of the hydraulic motor (4).
Le pignon multiplicateur de couple (8) engrène à son tour avec un pignon (9) d'entraînement de chaîne trancheuse.The torque multiplier gear (8) in turn meshes with a slicer chain drive gear (9).
La largeur de travail de l'ensemble de fraisage constitué par les deux têtes de fraisage (2) et la chaîne trancheuse (3) est sensiblement égale à la dimension transversale du moteur hydraulique (4) d'entraînement.The working width of the milling assembly consisting of the two milling heads (2) and the slicer chain (3) is substantially equal to the transverse dimension of the hydraulic motor (4) drive.
Cette disposition permet l'obtention d'une largeur de travail réduite, notablement inférieure aux largeurs de travail de l'art antérieur.This arrangement makes it possible to obtain a reduced working width, notably smaller than the working widths of the prior art.
L'axe de rotation (4d) du moteur hydraulique (4) est parallèle à un axe d'entraînement (6) de la chaîne trancheuse (3), et de préférence parallèle à l'axe (10) portant le pignon (8) multiplicateur de couple.The axis of rotation (4d) of the hydraulic motor (4) is parallel to a drive shaft (6) of the slicer chain (3), and preferably parallel to the axis (10) carrying the pinion (8) torque multiplier.
La transmission (5) comportant les axes (4d, 6 et 10) porteurs respectivement des pignons (7, 8 et 9) est montée dans un carter de protection disposé latéralement extérieurement au carter (3a) de protection de la chaîne trancheuse (3).The transmission (5) comprising the axles (4d, 6 and 10) respectively carrying the pinions (7, 8 and 9) is mounted in a protective casing disposed laterally outside the casing (3a) for protecting the slicer chain (3). .
Le couvercle (4a) du moteur hydraulique (4) est disposé extérieurement au carter (3a) de protection de la chaîne trancheuse (3), de sorte que le moteur hydraulique (4) est encastré partiellement à l'intérieur des extrémités du carter (3a) de protection de la chaîne trancheuse (3).The cover (4a) of the hydraulic motor (4) is arranged externally to the guard (3a) for protecting the slicer chain (3), so that the hydraulic motor (4) is partially embedded inside the ends of the housing ( 3a) for protecting the slicer chain (3).
Le moteur hydraulique (4) est monté dans le bâti ou corps (1) du dispositif à proximité de la bride de montage (1a) sur la machine de bâtiment ou travaux publics non représentée.The hydraulic motor (4) is mounted in the frame or body (1) of the device near the mounting flange (1a) on the building or public works machine not shown.
L'ensemble de fraisage comportant les deux têtes (2) de fraisage et la chaîne trancheuse (3) est assemblé sur un axe (11) portant un pignon avant (12) engrenant avec la chaîne trancheuse (3).The milling assembly comprising the two milling heads (2) and the slicer chain (3) is assembled on a shaft (11) carrying a front pinion (12) meshing with the slicer chain (3).
L'axe (11) sert au montage des deux têtes de fraisage (2) par l'intermédiaire de brides (2a) et de vis (2b).The shaft (11) serves to mount the two milling heads (2) via flanges (2a) and screws (2b).
Pour assurer la rigidité et la robustesse de l'ensemble, les roulements utilisés sont de préférence des roulements à rouleaux coniques montés en opposition.To ensure the rigidity and robustness of the assembly, the bearings used are preferably tapered roller bearings mounted in opposition.
Sur la
La chaîne trancheuse (3) est disposée en avant du carter de protection du moteur hydraulique (4).The slicer chain (3) is arranged in front of the protective casing of the hydraulic motor (4).
Le carter de protection du moteur hydraulique (4) présente une face courbe (14) permettant un bon dégagement de la chaîne trancheuse (3) et une bonne évacuation des matériaux éventuellement entraînés par les pics de la chaîne trancheuse (3).The protective casing of the hydraulic motor (4) has a curved face (14) allowing a good clearance of the chain slicer (3) and a good evacuation of the materials possibly driven by the peaks of the slicer chain (3).
L'agencement modulaire du dispositif selon l'invention permet un accès facile à la transmission et au moteur hydraulique, et ce de manière indépendante, sans interférer avec les organes de travail.The modular arrangement of the device according to the invention allows easy access to the transmission and the hydraulic motor, and this independently, without interfering with the working members.
Le remplacement des pics ou pièces d'usure de l'ensemble de fraisage s'effectue également sans intervention sur la transmission (5) ou le moteur hydraulique (4).Replacement of the spikes or wear parts of the milling assembly is also performed without intervention on the transmission (5) or the hydraulic motor (4).
L'invention décrite en référence à un mode de réalisation particulier ne lui est nullement limitée, mais couvre au contraire toute modification de forme et toute variante de réalisation dans le cadre des revendications annexées.The invention described with reference to a particular embodiment is in no way limited thereto, but on the contrary covers any modification of form and any variant embodiment within the scope of the appended claims.
Claims (9)
- Milling device having a body (1) which can be fitted onto a construction or public works machine, the device having a milling assembly comprising a slicing chain (3) and two lateral milling heads (2), the said milling assembly being driven by a hydraulic motor (4) mounted in a protective housing, characterized in combination in that the working width of the milling assembly (2, 3) substantially corresponds to the transverse dimension of the hydraulic drive motor (4) and in that the device comprises a gear transmission (5) arranged laterally outside a protective housing (3a) for the slicing chain (3).
- Device according to Claim 1, characterized in that the axis (4d) of rotation of the hydraulic motor (4) is substantially parallel to a drive axis (6) of the slicing chain (3).
- Device according to Claim 1, characterized in that the gear transmission (5) comprises a drive pinion (7), a torque-multiplying pinion (8) and a pinion (9) for driving the slicing chain (3).
- Device according to Claim 1, characterized in that the lateral milling heads (2) are secured to a shaft (11) driven to rotate by the slicing chain (3).
- Device according to Claim 4, characterized in that the lateral milling heads (2) are mounted at the ends of the shaft (11) driven by the slicing chain (3).
- Device according to Claim 3, characterized in that the slicing chain (3) is driven by a shaft (6) bearing a toothed wheel (13) and bearing the pinion (9) for driving the slicing chain (3).
- Device according to Claim 1, characterized in that the hydraulic motor (4) is accessible via a lateral cover (4a) arranged outside the housing (3a) of the slicing chain (3).
- Device according to Claim 1, characterized in that the hydraulic motor (4) is mounted in the body (1) of the device close to a flange (1a) for mounting on a construction or public works machine.
- Device according to Claim 8, characterized in that the mounting flange (1a) has a passage opening (1b) for connecting hydraulic lines (4b, 4c) for supplying the hydraulic motor (4) with hydraulic fluid.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1253137A FR2989098B1 (en) | 2012-04-05 | 2012-04-05 | MILLING DEVICE ADAPTABLE ON A PUBLIC WORKS MACHINE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2647769A1 EP2647769A1 (en) | 2013-10-09 |
EP2647769B1 true EP2647769B1 (en) | 2014-07-16 |
Family
ID=47882104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20130160040 Not-in-force EP2647769B1 (en) | 2012-04-05 | 2013-03-19 | Milling head for use on a work machine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2647769B1 (en) |
FR (1) | FR2989098B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105316994B (en) * | 2015-04-03 | 2017-07-28 | 汪泓 | Device is dug in a kind of milling |
CN108412999A (en) * | 2018-05-03 | 2018-08-17 | 宁波新宏液压有限公司 | A kind of hydraulic pressure three-wheel slotter transmission system |
DE202019100319U1 (en) * | 2019-01-21 | 2020-04-22 | Liebherr-Werk Nenzing Gmbh | Trench cutter |
CN112576270A (en) * | 2020-12-08 | 2021-03-30 | 李国平 | Multi-motor milling and excavating mechanism |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0497019A (en) * | 1990-08-16 | 1992-03-30 | Mitsui Miike Mach Co Ltd | Trencher for constructing underground continous wall |
DE10132608B4 (en) * | 2001-07-05 | 2006-02-02 | Firma Klaus Ertmer Maschinenbautechnologie | Activation device and activation system for providing a shock pulse for cutting heads of hydraulic carrier devices |
ITBO20010632A1 (en) * | 2001-10-16 | 2003-04-16 | Simex Engineering S R L | HYDRAULIC MILLING MACHINE FOR EXCAVATOR MACHINES |
DE102008041982B4 (en) * | 2008-09-11 | 2010-06-17 | Klaus Ertmer | Cultivation system with cutting heads and milling chain |
WO2012045327A1 (en) * | 2010-10-08 | 2012-04-12 | Simex Engineering S.R.L. | Cutter heads for ground or walls cutter machines and cutter machines provided with such cutter heads |
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2012
- 2012-04-05 FR FR1253137A patent/FR2989098B1/en not_active Expired - Fee Related
-
2013
- 2013-03-19 EP EP20130160040 patent/EP2647769B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
FR2989098B1 (en) | 2015-03-20 |
EP2647769A1 (en) | 2013-10-09 |
FR2989098A1 (en) | 2013-10-11 |
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