EP4051840A1 - Baggerstiel - Google Patents
BaggerstielInfo
- Publication number
- EP4051840A1 EP4051840A1 EP20811524.6A EP20811524A EP4051840A1 EP 4051840 A1 EP4051840 A1 EP 4051840A1 EP 20811524 A EP20811524 A EP 20811524A EP 4051840 A1 EP4051840 A1 EP 4051840A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tilt
- actuator
- excavator
- section
- boom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3677—Devices to connect tools to arms, booms or the like allowing movement, e.g. rotation or translation, of the tool around or along another axis as the movement implied by the boom or arms, e.g. for tilting buckets
- E02F3/3681—Rotators
Definitions
- the invention relates to an excavator stick for an excavator, the excavator stick having a boom coupling section which is adapted to a boom and a stick actuator of the excavator in such a way that the excavator stick can be fixed pivotably on the boom by means of the boom coupling section and the stick actuator can thus be articulated to the excavator stick.
- the excavator boom can be displaced by means of the arm actuator within a gripping plane of the excavator, the gripping plane being spanned by a longitudinal axis of the boom and a longitudinal axis of the boom and the boom having a bucket actuator which is articulated to the boom at a distance from the boom coupling section.
- Tiltrotator In order to be able to work as effectively as possible with the attachments described, it is also common for a so-called Tiltrotator can be arranged. Tiltrotators make it possible for the attachment to be tilted (“tilting”) or rotated. Such a configuration of the excavator arm makes it possible for the attachment to also be able to reach work areas that are difficult to access.
- the particular disadvantage of the known systems is that the layered structure of the tiltrotator, which is connected to the end of the excavator arm, creates a relatively space-consuming structure.
- the known tiltrotators can only be used to a limited extent when working in narrow work areas, for example in old buildings, in shafts, in channels or the like.
- the object of the present invention is therefore to provide an excavator stick by means of which a tiltrotator can be realized which has a reduced structural height.
- the excavator boom has a tilt actuator, the tilt actuator having a bearing section and an articulation section, the tilt actuator being pivotably fixed to the excavator arm by means of the bearing section, the spoon actuator being articulated in the articulating section at least indirectly to the tilt actuator is that the tilt actuator can be displaced by means of the bucket actuator within the gripping plane of the excavator, the tilt actuator having a device receptacle on which an attachment can be fixed, the tilt actuator having a tilt drive that extends at least in sections between the bearing section and the articulation section and by means of whose the Device receptacle can be tilted around a tilting axis arranged parallel to the gripping plane.
- Such a configuration of the excavator stick according to the invention makes it possible for the tilt actuator to be integrated into the excavator stick in a particularly space-saving manner. It is advantageously provided that all actuators can be driven hydraulically, electronically and / or pneumatically.
- the bucket actuator can also be articulated to the tilt actuator by means of a rocker or by means of a combination of a coupling and a rocker. In this way, in particular, stability with respect to loads that act on the excavator boom transversely to the gripping plane can be increased.
- a bearing for example a ball bearing, a sliding bearing, a roller bearing or the like, can be arranged in the bearing section and / or the articulation section.
- a bearing can be arranged on the excavator arm, it being possible for the tilt actuator to be able to be fixed to the bearing by means of suitable fixing means.
- Device mount in the sense of the inventive concept means all devices, devices, means and the like that are suitable for securing the attachment to the tilt actuator.
- Device recording also means in particular such Devices, devices, means and the like by means of which the attachment can be releasably fixed to the tiltrotator, in particular also so-called quick-change systems.
- An advantageous implementation of the concept of the invention provides that the bearing section of the tilt actuator is encompassed at least in sections by side elements of the excavator boom that are opposite one another.
- the tilt actuator is thus arranged at least in sections within the excavator arm according to the invention.
- the opposing side elements can have congruent pin recesses
- the tilt actuator can also have a pin recess in its bearing section, which can be brought into congruence with the pin recesses formed on the side elements, with the congruent pin recesses
- a fastening bolt can be passed through the side elements and the tilt actuator, by means of which the tilt actuator can be pivotably fixed to the excavator boom.
- the bolt recess can also be rotatably mounted in the bearing section, for example by means of a roller bearing.
- an advantageous embodiment of the invention provides that the excavator boom has a rotation actuator, the rotation actuator being fixed to the tilt actuator on an underside of the tilt actuator facing away from the excavator boom is, so that a tiltrotator is formed by the tilt actuator and the rotation actuator, which can be tilted around the tilt axis by means of the tilt actuator, the tiltrotator having the device holder, by means of which the attachment can be fixed to the excavator boom, the attachment attached to the device holder by means of of the rotary actuator is rotatable about a rotation axis which is arranged perpendicular to the tilt axis.
- the tilt actuator of the tiltrotator is integrated into the excavator arm and the rotation actuator is arranged on the tilt actuator.
- the tiltrotator formed in this way has a particularly low structural height, since it protrudes only partially, namely for the most part with the rotation actuator, beyond one end of the excavator boom. It is advantageously provided that the tiltrotator can be designed both modularly and integrally. In the present case, modular means that the
- Rotation actuator is releasably attached to the tilt actuator. Integral means that the rotation actuator and the tilt actuator are designed as a cohesive component, whereby it can advantageously be provided that the rotation actuator and the tilt actuator are arranged in a common housing.
- the rotation actuator is designed as an attachment and is detachably attached to the device receptacle of the tilt actuator, the rotation actuator attached to the tilt actuator having a further device receptacle.
- the device receptacle and the further device receptacle can be designed identically.
- the excavator stick has a gripper, the gripper being fixed at least indirectly to the tilt actuator.
- gripper means an attachment that has at least one gripper that can be displaced in relation to a stop surface or another gripper in such a way that an object can be gripped, in particular by being able to be clamped between the gripper and the stop surface or between the two grippers.
- gripper also means gripper for picking up soil, bulk material or the like, in particular so-called clamshell grabs.
- An advantageous embodiment of the invention provides that the gripper is fixed on the tilt actuator by means of the rotation actuator. It is provided that the gripper can be arranged both on the rotary actuator embodied as an attachment and on the integrally embodied rotary actuator of a previously described tiltrotator.
- the gripper is designed as an attachment, the gripper being fixed to the device receptacle of the tilt actuator, the tiltrotator or the rotation actuator.
- Grabs for excavators are known in a variety of different designs that are optimized for a wide variety of purposes, for example as a wood grapple, as a demolition grapple, as a sorting grapple or the like.
- the device receptacle has two flat receptacle sections, which are formed on opposite sides of the tilt actuator or the rotation actuator, with an attachment on the device receptacle with a U-shaped coupling section can be fixed in such a way that mutually opposite Coupling surfaces of the coupling section can be brought into contact with the flat receiving sections.
- the tilt actuator or the rotation actuator are at least partially encompassed by the attachment.
- Such a configuration of the excavator stick according to the invention is particularly preferably provided when the attachment is a gripper.
- a large number of grippers are known which have a U-shaped coupling section and which can accordingly be used with the excavator stick according to the invention.
- Such grippers usually have a low overall height, as a result of which the compact design of the excavator stick according to the invention is supported.
- the tiltrotator and / or the rotation actuator have at least one linear drive.
- the linear drive can particularly preferably be designed as a rack and pinion drive with a drive gear or a worm drive with a drive spindle.
- the tilt drive of the tilt actuator which is designed as a linear drive, has a hydraulic cylinder.
- hydraulic cylinder means a component whose length can be changed by changing the pressure of a hydraulic fluid that fills a working space of the hydraulic cylinder.
- the hydraulic fluid acts on a piston, the position of which can be changed within the working space.
- Hydraulic cylinders are often used in the field of work machines because they can transmit large forces, have a high level of failure safety, are easy to repair, repair and replace. Hydraulic cylinders usually have quick-release couplings, by means of which they can easily be connected to a hydraulic system of a work machine.
- the tilt actuator has at least one tilt kinematics with a connection element, a boom section and the tilt drive
- the device receptacle being mounted on the excavator arm by means of the connection element at a distance from the tilt axis
- the connection element with a first connection section of the connection element is mounted on the excavator arm in such a way that it can be pivoted about the tilting axis
- the device receptacle being rotatably mounted on a second connecting section of the connecting element
- the boom section extending away from the excavator arm, starting from the tilting axis, and in relation to the excavator arm is non-rotatable, with a boom axis of the boom section and the gripping plane always intersect at only one point
- the tilt drive a boom pivot section and a
- Device receiving articulation section formed distance can be changed by the tilt drive, wherein the tilt drive with the boom articulation section is pivotable on the
- Boom section and is pivotably mounted with the device receiving articulation section on the device receptacle, so that the device receptacle can be tilted around the tilting axis by means of the tilting kinematics by the tilting drive.
- the tilt drive has working means which act on the boom linkage section and the device receiving linkage section, so that the boom linkage section and the device receiving linkage section are mechanically brought into operative connection with one another by means of the working equipment of the tilting drive.
- the working means can be, for example, a piston and a cylinder, the piston being arranged inside the cylinder and a working volume being enclosed by the piston and the cylinder.
- a working medium for example air, hydraulic oil or the like, is preferably arranged in the working volume.
- the piston By changing a working pressure of the working medium in the working volume, the piston can be displaced in relation to the cylinder.
- the working means can also be a mechanical linear drive, which can have a pinion and a rack, for example.
- the linear drive can also be designed electromagnetically.
- Device receptacle articulation section arranged section of the device receptacle, a triangle or a square on a perpendicular to the gripping plane oriented pro ection level.
- a triangle is formed when the second
- Connecting section and the device receiving articulation section are congruent.
- the construction provided according to the invention receives its mobility from the fact that a length of the tilting drive is variable and that the connecting element in the first connecting section and the tilting drive are pivotably mounted in the boom articulation section and in the device receiving articulation section.
- the excavator boom configured in this way can be made particularly compact, since the tilt actuator does not have to be attached to the excavator boom with additional coupling means, but can be integrated directly into it.
- An advantageous implementation of the inventive concept provides that the device receiving articulation section lies in the actuator center plane, so that the tilt drive of the at least one tilt kinematics does not cross the actuator center plane.
- the invention also relates to an excavator arm which has the tilt actuator, the at least one tilt kinematics with the connecting element, the boom section and the tilt drive wherein the connecting element with the first connecting section of the connecting element is rotatably mounted on the excavator boom, the device receptacle in the second connecting section of the connecting element, spaced from the first connecting section, being pivotably mounted on the excavating boom about the tilting axis running through the second connecting section, wherein the boom section, starting from the tilting axis, extends away from the excavator boom and is rotationally fixed in relation to the device receptacle, the boom axis of the boom section and the gripping plane always intersecting at only one point, the tilting drive having the boom articulation section and the device receptacle articulation section, wherein the distance formed between the boom articulation section and the device receiving articulation section can be changed by the tilt drive, the tilt drive with the boom articulation section being pivotable on the boom section and mi t the
- Such a configuration of the excavator stick according to the invention ensures that the excavator stick can be made particularly compact, especially since the tilt actuator can be integrated directly into the excavator stick and no further coupling means are required to fix the tilt actuator to the excavator stick.
- the tilt drive has working means that act on the boom articulation section and the device receiving articulation section, so that the boom articulation section and the Device receiving articulation section by means of the working equipment of the
- Tilt drive are mechanically brought into operative connection with one another.
- the working means preferably correspond to those already described, so they can for example be a piston and a cylinder, the piston being arranged inside the cylinder and a working volume being enclosed by the piston and the cylinder.
- a working medium for example air, hydraulic oil or the like, is preferably arranged in the working volume.
- the working means can also be a mechanical linear drive here, which can have a pinion and a rack, for example.
- the linear drive can also be designed electromagnetically.
- a projection of the connecting element, the boom section, the tilting drive and the section of the device receptacle arranged between the second connecting section and the device receptacle articulation section onto a projection plane oriented perpendicular to the gripping plane forms a triangle or a square.
- a triangle is formed when the second
- Connecting section and the device receiving articulation section are congruent.
- the construction provided according to the invention receives its mobility from the fact that a length of the tilt drive is variable and that the Connecting element in the second connecting section and the tilting drive are pivotably mounted in the boom articulation section and in the device receiving articulation section.
- the boom articulation section lies in the actuator center plane, so that the tilt drive of the at least one tilt kinematics does not cross the actuator center plane.
- An advantageous embodiment of the invention provides that the boom articulation section and the device receiving articulation section of the at least one tilt kinematics are arranged in a first spatial volume or a second spatial volume, the first spatial volume and the second spatial volume being separated from one another by an actuator center plane, and the actuator center plane by the tilt axis and a central axis of the
- Connecting element is clamped so that the tilt drive of the at least one tilt kinematics does not intersect or touch the actuator center plane.
- the boom articulation section of the at least one tilting kinematics is arranged in the first volume, the device receiving articulation section of the at least one tilting kinematics being arranged in the second volume so that the tilting drive of the at least one tilting kinematics the actuator center plane crosses.
- the tilt actuator has at least a first tilt kinematics and a second tilt kinematics, the first tilt kinematics and the second tilt kinematics being spaced from one another along the tilt axis.
- the device receptacle can be tilted by the angle a.
- Such a configuration of the excavator arm according to the invention ensures that undesired tilting of the device receptacle due to failure of the tilting drives can be prevented.
- the tilt actuator and / or the rotation actuator are and / or can be connected to an excavator energy system.
- the excavator energy system means the energy supply system of the excavator, which is provided to supply the excavator's attachments with energy.
- the dredging energy system is particularly preferably a hydraulic system which provides hydraulic pressure by means of which the attachments can be driven.
- FIG. 1 is a schematically represented side view of an embodiment of the excavator stick according to the invention
- FIG. 2 a schematically represented side view of a tilt actuator of an embodiment of the excavator stick according to the invention
- FIG. 3 shows a schematically represented side view of a tilt actuator of an embodiment of the excavator stick according to the invention with a rotation actuator arranged on the tilt actuator
- FIG. 4 shows a schematically represented side view of an integrally designed tiltrotator of an embodiment of the excavator halyard according to the invention
- FIG. 5 shows the tilt actuator shown in FIG. 3 with grippers and attached to the rotation actuator
- FIGS 6, 7 and 8 are schematic representations of
- FIG. 1 shows a schematically represented side view of an embodiment of an excavator stick 1 according to the invention.
- the excavator stick 1 is intended for use with an excavator (not shown or labeled).
- the excavator boom 1 has a boom coupling section 2.
- the excavator boom 1 is pivotally attached to a boom 3 of the excavator by means of the boom coupling section 2.
- a stick actuator 4 of the excavator is articulated to the excavator stick 1 in such a way that the excavator stick 1 can be displaced by means of the stick actuator 4 within a gripping plane 5 of the excavator.
- the gripping plane 5 is the plane that is spanned by a longitudinal axis 6 of the boom and a longitudinal axis 7 of the handle.
- the excavator arm 1 shown also has a bucket actuator 8, which is spaced apart from the Boom coupling section 2 is articulated on the excavator arm 1.
- a tilt actuator 10 is fixed to the excavator boom 1.
- the tilt actuator 10 has a bearing section 11 and an articulation section 12.
- the bearing section 11 of the tilt actuator 10 is arranged between two side elements 13 of the excavator arm 1 and thus partially encompassed by these.
- the side elements 13 and the bearing section 11 of the tilt actuator 10 each have corresponding recesses, through which a bolt recess 14 penetrating the side elements 13 and the bearing section 11 of the tiltrotator 10 is formed, which has a circular cross section and in which a bearing bolt 15 is arranged .
- the tilt actuator 10 is pivotably fixed to the excavator boom 1 by means of the bolt recess 14 and the bearing bolt 15.
- the articulation section 12 of the tilt actuator 10 is brought into operative connection with the spoon actuator 8 by means of a coupling 16.
- the coupling 16 and the bucket actuator 8 are pivotally attached to a rocker arm 17, the rocker arm 17 being pivotally attached to the excavator arm 1.
- a parallelogram linkage is formed by the rocker 17, the coupling 16, the tiltrotator 10 and the excavator stick 1.
- the tilt actuator 10 can be displaced by means of the spoon actuator 8 within the gripping plane 5 of the excavator, more precisely, it can be pivoted around the bearing pin 15.
- the tilt actuator 10 has a device receptacle 18 on its underside opposite the excavator arm 1. At an attachment 19, which is only shown schematically, is fixed to the device receptacle 18.
- the tilt actuator 10 has a tilt drive 20 shown schematically.
- the tilting drive 20 extends between the bearing section 11 and the articulation section 12. By means of the tilting drive 20, the device receptacle 18 can be tilted around a tilting axis 21 arranged parallel to the gripping plane 5.
- FIG. 2 a schematically illustrated side view of the tilt actuator 10 of the excavator arm 1 shown in FIG. 1 is shown.
- the excavator arm 1 and the bucket actuator 8 are only partially shown. No attachment is attached to the tilt actuator.
- FIG. 3 shows a schematically illustrated side view of a tilt actuator 10 of an embodiment of the excavator stick 1 according to the invention, on which a rotation actuator 22 is arranged.
- the rotation actuator 22 is designed as an independent assembly that is detachably fixed to the device receptacle 18 of the tilt actuator 10.
- the rotation actuator 22 also has a device receptacle 18.
- the tilt actuator 10 and the rotation actuator 22 form a tiltrotator 23 which also has the device receptacle 18.
- An attachment 19 is fixed to the device receptacle 18 of the tiltrotator 23.
- the attachment 19 can be tilted about the tilt axis 21 by means of the tilt actuator 10 of the tiltrotator 23.
- the rotation actuator 22 of the tiltrotator 23 By means of the rotation actuator 22 of the tiltrotator 23, the attachment 19 fixed on the device receptacle 18 can be rotated about an axis of rotation 24.
- the axis of rotation 24 is arranged perpendicular to the tilt axis 21.
- the tiltrotator 23 shown in FIG. 4 is not designed in a modular manner.
- the tilt actuator 10 and the rotation actuator 22 have a common housing 25 and form an integral component.
- the tilt drive 20 of the tilt actuator and a rotation drive 26 of the rotation actuator 22 are also shown schematically.
- Both drives 20, 26 each have a hydraulic motor 27 and reactants 28 which are brought into operative connection with the respective hydraulic motor 27.
- the drives 20, 26 are designed as linear drives.
- the hydraulic motors 27 are coupled to an excavation energy system 29, which is only shown schematically.
- FIG. 5 an embodiment of the excavator arm 1 according to the invention is shown with a modular tiltrotator 23, a gripper 30 being fixed on the device receptacle 19 of the rotation actuator 22 of the tiltrotator 23.
- the device receptacle 19 of the rotation actuator 22 has two flat receptacle sections 31.
- the receiving sections 31 are on opposite sides
- FIG. 6 shows an embodiment of the excavator arm 1 according to the invention, the tilt actuator 10 of which has tilt kinematics 34.
- the tilt kinematics 34 has a connecting element 35, a boom section 36 and the tilt drive 20.
- the tilt drive 20 is designed as a hydraulic cylinder.
- the device receptacle 18 is mounted on the excavator arm 1 at a distance from the tilting axis 21 by means of the connecting element 35.
- the connecting element 35 is mounted on the excavator boom 1 with a first connecting section 37 of the connecting element 35 in such a way that it can be pivoted about the tilting axis 21.
- the device holder 18 is fixed in a rotationally fixed manner on a second connecting section 38 of the connecting element 35.
- the boom section 36 extends, starting from the tilting axis 21, away from the excavator boom 1 and is non-rotatable in relation to the excavator boom 1.
- a boom axis 39 of the boom section 36 and the gripping plane 5 intersect at a point.
- the tilt drive 20 has a boom articulation section 40 and a device receiving articulation section 41. A between the boom pivot portion 40 and the
- Device receiving articulation section 41 formed distance can be changed by the tilt drive 20, in that the piston 42 is displaced within the working volume 43 of the tilt drive 20 configured as a hydraulic cylinder.
- the tilt drive 20 is pivotable with the boom articulation section 40 on the boom section 36 and with the
- Device receptacle articulation section 41 pivotably mounted on device receptacle 18, so that device receptacle 18 can be tilted around the tilt axis 21 by the tilt drive 20 by means of the tilt kinematics 34.
- Device receiving articulation section 41 of the tilt kinematics 34 is arranged in a first volume 44.
- the first volume 44 is separated from a second volume 45 by an actuator center plane 46.
- the actuator center plane 46 is spanned by the tilt axis 21 and a center axis 47 of the connecting element 35.
- the gripping plane 5 and the actuator center plane 46 are congruent.
- the center axis 47 of the connecting element 35 lies both in the gripping plane 5 and in the actuator center plane 46.
- the tilt drive 20 of the tilt kinematics 34 does not cross the actuator center plane 46.
- FIG. 7 shows a schematic representation of the excavator arm 1 according to the invention, the tilt actuator 10 of which has a first tilt kinematics 34a and a second tilt kinematics 34b.
- the tilt kinematics 34a, 34b are spaced apart from one another along the tilt axis 21.
- the tilt drives 20 of the illustrated kinematics 34a, 34b are designed as hydraulic cylinders.
- the boom articulation section 40 of the first tilt kinematics 34a is arranged in the first volume 44, the device receiving articulation section 41 of the first tilt kinematics 34a being arranged in the second volume 45 so that the tilt drive 20 of the first tilt kinematics 34a crosses the actuator center plane 46.
- the second tilt kinematics 34b this is analogously reversed.
- the schematic representation shown in Figure 8 of a further embodiment of the excavator stick 1 according to the invention has an alternative arrangement of the tilt kinematics 34a,
- the connecting element 35 is rotatably mounted on the excavator boom 1 with the first connecting section 37 of the connecting element 35.
- the device receptacle 18 is mounted on the excavator arm 1 in the second connecting section 38 of the connecting element 35 so as to be pivotable about the tilting axis 21 running through the second connecting section 38.
- the tilting axis 21 is spaced apart from the first connecting section 37 and the boom section 36 extends, starting from the tilting axis 21, away from the excavator boom 1.
- the boom section 36 is non-rotatable in relation to the device receptacle 18.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019129510.6A DE102019129510A1 (de) | 2019-10-31 | 2019-10-31 | Baggerstiel |
| DE102020111847 | 2020-04-30 | ||
| DE102020122604 | 2020-08-28 | ||
| PCT/EP2020/080596 WO2021084109A1 (de) | 2019-10-31 | 2020-10-30 | Baggerstiel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4051840A1 true EP4051840A1 (de) | 2022-09-07 |
| EP4051840B1 EP4051840B1 (de) | 2026-02-11 |
| EP4051840C0 EP4051840C0 (de) | 2026-02-11 |
Family
ID=73544122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20811524.6A Active EP4051840B1 (de) | 2019-10-31 | 2020-10-30 | Baggerstiel |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP4051840B1 (de) |
| WO (1) | WO2021084109A1 (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19632030A1 (de) * | 1996-08-08 | 1998-02-12 | Fritz Hildebrandt | Positioniervorrichtung an Baggern, Radladern, Schleppern und dergleichen |
| DE202011100482U1 (de) * | 2011-05-10 | 2012-08-13 | Kinshofer Gmbh | Drehschwenkantrieb für Anbauwerkzeuge |
| DE202013101077U1 (de) * | 2013-03-12 | 2014-06-13 | NADO GmbH | Anbauwerkzeug für Hydraulikbagger und -krane |
| SE537716C2 (sv) * | 2013-06-25 | 2015-10-06 | Steelwrist Ab | System, metod och datorprogram för att kontrollera rörelse på en entreprenadmaskins arbetsredskap |
-
2020
- 2020-10-30 EP EP20811524.6A patent/EP4051840B1/de active Active
- 2020-10-30 WO PCT/EP2020/080596 patent/WO2021084109A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021084109A1 (de) | 2021-05-06 |
| EP4051840B1 (de) | 2026-02-11 |
| EP4051840C0 (de) | 2026-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60034062T2 (de) | Hydraulisches sammelwerkzeug | |
| DE3843753A1 (de) | Baggerarm | |
| EP2083123B1 (de) | Anbauverdichter | |
| EP0176829B1 (de) | Kompaktbagger | |
| WO2021084109A1 (de) | Baggerstiel | |
| EP3699362A1 (de) | Kupplungssystem zum auswechselbaren kuppeln eines anbaugeräts mit einer arbeitsmaschine | |
| AT521315B1 (de) | Winkelstück und Hebevorrichtung | |
| EP4502278A1 (de) | Schnellwechselsystem | |
| EP4471216A1 (de) | Tiltrotator | |
| DE102019129510A1 (de) | Baggerstiel | |
| DE19806057A1 (de) | Baumaschinenadapter | |
| EP4101982B1 (de) | Selbstfahrende fräsmaschine mit einem maschinenrahmen und einer fördereinrichtung zum abführen von material | |
| WO2003018917A1 (de) | Baumaschine mit hydraulischem drehmotor | |
| LU500452B1 (de) | Schwenkvorrichtung für ein Anbaugerät eines Baggers | |
| DE20215843U1 (de) | Bodenverdichtungsvorrichtung | |
| EP1727944A1 (de) | Arbeitswerkzeug fur eine erdbaumaschine | |
| EP2338827A2 (de) | Arbeitsmaschine, insbesondere Bagger | |
| DE2600397A1 (de) | Gestaenge- und antriebsanlage, insbesondere zum verschwenken eines teils, z.b. der schaufel eines loeffelbaggers | |
| DE9408196U1 (de) | Schnellwechselvorrichtung | |
| DE102006004207B4 (de) | Gegabelter Ausleger für einen Bagger | |
| WO2023001892A1 (de) | Schwenkvorrichtung für ein anbaugerät eines baggers | |
| AT396491B (de) | Einrichtung zur lösbaren befestigung eines arbeitsgerätes an einem fahrzeug | |
| EP4632154A1 (de) | Mobile arbeitsmaschine mit einem verschwenkbaren ausleger | |
| DE10115526A1 (de) | Schwenkrotator | |
| DE102024106244A1 (de) | Dreh- und/oder Schwenkaggregat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20220531 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
| INTG | Intention to grant announced |
Effective date: 20250904 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: F10 Free format text: ST27 STATUS EVENT CODE: U-0-0-F10-F00 (AS PROVIDED BY THE NATIONAL OFFICE) Effective date: 20260211 Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502020012694 Country of ref document: DE |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
| U01 | Request for unitary effect filed |
Effective date: 20260227 |
|
| U07 | Unitary effect registered |
Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT RO SE SI Effective date: 20260304 |