EP2305896B1 - Mobile construction machine with a blade have a dedicated component attached thereto - Google Patents
Mobile construction machine with a blade have a dedicated component attached thereto Download PDFInfo
- Publication number
- EP2305896B1 EP2305896B1 EP10006543.2A EP10006543A EP2305896B1 EP 2305896 B1 EP2305896 B1 EP 2305896B1 EP 10006543 A EP10006543 A EP 10006543A EP 2305896 B1 EP2305896 B1 EP 2305896B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pivoting element
- additional device
- construction machine
- guide
- mobile construction
- 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.)
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Links
- 238000010276 construction Methods 0.000 title claims description 59
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/02—Travelling-gear, e.g. associated with slewing gears
- E02F9/024—Travelling-gear, e.g. associated with slewing gears with laterally or vertically adjustable wheels or tracks
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/085—Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs
Definitions
- the present invention relates to a mobile construction machine, in particular an excavator, having a pivotable about an axis of rotation by an actuator pivoting element, in particular an excavator blade, and an accessory, in particular an additional axis, which is coupled to the pivot member by raising and lowering the pivot member so that the pivoting element engages positively in a receptacle on the additional device.
- the mobile construction machine, in particular the excavator may in particular have at least two frosted axles.
- Mobile construction machinery especially as wheeled mobile construction machines, are often roadworthy and can drive independently and independently to your site. Where appropriate, supports can be extended at the place of use, over which the mobile construction machine can be solidly anchored.
- Such a support plate which can also serve as a blade, is usually either front and / or rear of the excavator arranged and can be lowered and raised hydraulically about a horizontal axis, for example.
- the axle load of wheeled excavators within the framework of the Highway Code is limited to obtaining an unrestricted - that is not track-bound - driving license.
- the maximum permissible axle load is currently 11.5 t and for non-driven axles 10 t.
- the maximum excavator weight for road driving is limited to 18 t with two axles.
- Object of the present invention is therefore to provide a mobile construction machine available, which allows a simpler coupling an additional device to a pivoting element.
- the coupling should be possible only by raising and lowering the pivoting element, without further aids such.
- the excavator handle would have to be used.
- a mobile construction machine has a pivotable by an actuator about a horizontal axis of rotation pivoting element and an additional device which can be coupled to the pivot member by raising and lowering the pivot member so that the pivot member engages positively in a receptacle on the additional device.
- the additional device and / or the pivoting element has a guide device, by means of which the additional device is guided on lowering of the pivoting element on a different contour on the pivoting element than during lifting.
- the additional device When lifting the additional device is therefore first performed on a first contour on the pivoting element and thereby also raised.
- the auxiliary device is replaced by the guide device according to the invention on a second, different from the first contour contour guided on the pivoting element.
- the second contour it is possible that the additional device is guided on the pivoting element, that the pivoting element engages positively in the receptacle on the auxiliary device and in particular comes into engagement with the undercut.
- the second contour makes it possible for the pivoting element to engage in the receptacle without the use of the excavator handle.
- the guide device is designed so that the coupling of the additional device takes place solely by the lifting and the subsequent lowering of the pivot element, without the need for further manipulation of the additional device would be necessary.
- the additional device is automatically guided on lowering of the pivoting element on a different contour on the pivoting element than when lifting.
- the mobile construction machine is a construction machine with at least two tired axles, which can be moved on the road.
- the additional device is an additional axle, which can be positively coupled to the pivoting element, so that the mobile construction machine can be supported on the additional axle.
- the axle loads can be reduced, especially for road travel.
- the mobile construction machine is a wheeled excavator, in particular a wheeled excavator having at least two wheels that are tired.
- the mobile construction machine is a hydraulic excavator.
- the pivoting element is at the pivoting element to an excavator blade, which z. B. used for supporting and / or for cleaning can.
- the pivoting element is arranged on the front and / or rear of the mobile construction machine.
- the pivot member has a single horizontal axis of rotation about which it is pivotable upwards and downwards.
- an actuator while one or more hydraulic cylinders can be used.
- the guide device comprises a guide element, in particular a lever, movably attached to the auxiliary device and / or to the pivoting element.
- the movable guide element allows a change in the contour on which the auxiliary device is guided on the excavator blade.
- the movable guide element is thereby moved when lifting and / or lowering the pivoting element. Further advantageously, this results in a modified contour by a counter-guide element engages in the guide element and is moved together with this during the lowering of the pivot member relative to the contour used during lifting.
- the guide element is articulated on the additional device, in particular on the receptacle of the additional device.
- the guide means comprises a rigid guide arc over which the auxiliary device is slidably guided when lifting the pivot member.
- This guide arc thus provides the first contour at which the additional device is guided when lifting the pivoting element.
- the guide arc is designed so that the pivoting element pivots away when lifting over an undercut of the recording.
- the attachment when the excavator shield is lowered, the attachment is guided at least partially over a movable guide element on the pivoting element.
- the movable guide element thus provides the second contour, at which the auxiliary device is at least partially guided when lowering the pivoting element.
- the guide element advantageously ensures that the pivoting element comes into engagement with a rear grip on the receptacle.
- the guide device has a movable guide element, which comes into contact with a counter guide element in an end region of the guide arc, wherein the additional device is guided on the counter guide element during the subsequent lowering of the pivot element via the guide element.
- the counter-guide element comes into engagement with the guide element, whereby the movable guide element is moved during lowering, in particular with respect to the guide arc.
- the guide element is freely rotatably articulated. This results in a particularly simple construction.
- the guide element comes through the influence of gravity with a counter-guide element in contact.
- the guide member therefore rotates upon lifting and / or lowering by the influence of gravity, so that it pivots to a position in which it can engage with the counter-guide element.
- the receptacle on the auxiliary device has a first guide region, via which the additional device can be supported on lifting of the pivoting element on this and thus enables at least partial lifting of the additional device by the pivoting element.
- the pivoting element is placed by approaching the mobile construction machine to the additional device under the first guide area and then raised. As a result, the additional device can be raised. If the additional device is an additional axle, then it is advantageously turned upwards around its wheel axle and if necessary also axially displaced by this movement.
- the guide region in this case has a guide arc over which the auxiliary device is guided in a sliding manner when lifting the pivoting element.
- a movable guide member is hinged to the attachment so that it comes in an end portion of the guide arc with a counter-guide element on the pivot element in contact, wherein the auxiliary device is guided in the subsequent lowering of the pivot member via the guide element on the counter-guide element.
- the counter-guide element is arranged in the region of the upper edge of the pivot element, in particular in the region of the upper edge of the excavator shield.
- the counter-guide element slides advantageously during lifting of the pivoting element along the guide arc.
- the movable guide element advantageously comes into an engagement position on the guide arc, so that the counter-guide element engages with the guide element during the subsequent lowering of the pivot element.
- the guide lever in this case has a run-on slope, which brings the counter-guide element with a recess on the guide lever into engagement.
- the auxiliary device Upon further lowering of the pivoting element, the auxiliary device is advantageously supported via the movable guide element on the counter-guide element.
- the guide element pivots during further lowering about an axis of rotation of the additional device and thus provides the second, different from the contour of the guide arc contour available.
- the additional device is guided on the pivoting element, that the pivoting element engages positively in a receptacle on the additional device.
- the mobile construction machine can thereby be supported on the additional device.
- the receptacle on the additional device has an undercut, over which the pivoting element pivots away during the lifting of the additional device and with which the pivoting element engages when lowering.
- This undercut advantageously forms a first contact region on which the pivoting element can be supported on the additional device.
- the lower edge of the pivoting element in particular the lower edge of the excavator shield, engages with the undercut.
- the receptacle has a second contact region, to which the pivoting element is deflected when lowering and with which the pivoting element engages.
- the second contact region thereby comes into engagement with the upper edge of the pivoting element, in particular with the upper edge of the excavator shield.
- the pivoting element and thus the mobile construction machine can advantageously be supported on the first and the second contact area. The positive connection between the mobile construction machine and the pivoting element is thus effected by the interaction of the pivoting element with the two contact areas on the receptacle.
- the first and the second contact region, which produce the positive connection are immovable relative to one another.
- a securing device is further provided by which the additional device can be secured to the pivoting element in the coupled position.
- the additional device may be a Verbolzung.
- the present invention further includes an attachment for a mobile construction machine as described above.
- the additional device comprises at least parts of a guide device, through which the additional device when lowering the pivoting element on another contour is guided on the pivoting element than when lifting.
- the additional device or the guide device is designed as shown above.
- the additional device comprises a movable guide element.
- the present invention further comprises a pivoting member for a mobile construction machine as set forth above.
- the pivoting element comprises at least parts of a guide device, through which the additional device is guided on lowering the pivot member on a different contour on the pivoting member than when lifting.
- the pivoting element or the guide device is designed as shown above.
- the pivoting element comprises a counter-guide element.
- the pivoting element is an excavator shield.
- the pivoting element in this case has a counter-guide element which can engage with a guide element on the additional device.
- the pivoting element can also have reinforcements, in particular in the contact areas with the receptacle on the additional device.
- the present invention further includes a mobile construction machine having a pivoting member as set forth above.
- the present invention further comprises a method for coupling an auxiliary device to a pivoting element of a mobile construction machine which can be pivoted by an actuator about a horizontal axis of rotation.
- the method comprises the steps of: moving the construction machine to the additional device; Lifting the pivoting element, so that the auxiliary device is at least partially raised; Lowering the pivoting element, so that the pivoting element engages positively in a receptacle on the additional device.
- the additional device by a guide device on the additional device and / or on the pivoting element when lowering the Pivoting element is guided on a different contour on the pivoting element than when lifting.
- the coupling takes place as already described above with regard to the mobile construction machine.
- a construction machine according to the invention which is not shown in detail in the exemplary embodiment, usually has at least two frosted axles, via which it can be moved on the road.
- it is the mobile Construction machine here to a wheeled excavator, in particular a hydraulic excavator.
- a wheeled excavator usually has at least one excavator handle on which a working equipment such.
- FIGS. 1 and 2 show an embodiment of an additional device according to the invention, which can be coupled to an embodiment of a pivoting element according to the invention.
- the additional device is an additional axis in the exemplary embodiment.
- the additional axle in this case has a steel structure 42 on which a tired axle 40 is arranged.
- the frosted axle 40 has in the embodiment left and right each at least one tire 41. Alternatively, however, a tyred axle would be conceivable, which has only one tire.
- the frosted axle 40 is arranged on the steel structure 42 via a suspension.
- the additional axle according to the invention can be coupled to a mobile implement, in particular to a wheeled excavator, in order to reduce the axle loads of the individual axles and thus to produce mobility on the road.
- the additional axle increases the permissible total weight of the construction machine.
- the additional axle in this case has a receptacle into which a pivoting element arranged on the mobile construction machine can engage, so that a positive connection between the mobile construction machine and the additional axle is provided. As a result, the mobile construction machine can be supported on the additional axle.
- the pivoting element is usually arranged on the undercarriage or on the chassis of the mobile construction machine, wherein the arrangement usually takes place either front or rear.
- the pivoting element is pivotable about a horizontal axis of rotation, for which purpose a corresponding actuator is provided on the mobile construction machine.
- this axis of rotation is the only axis about which the pivoting element can be moved.
- the pivoting element is an excavator shield, which can be raised and lowered about one or more hydraulic cylinders about a horizontal axis of rotation.
- the excavator shield can be used to support the mobile construction machine.
- the shield can be used for scrapping purposes.
- FIG. 2 shows the axle and the excavator blade in the coupled state in which the excavator blade engages positively in a receptacle on the additional axle, so that the mobile construction machine can be supported on the additional axle.
- the inclusion of the additional axis in this case has a lower receiving arm, on which an undercut 12 is attached. With this undercut 12 is a contact point 2 on the excavator blade engaged.
- the contact point 2 is also designed as an undercut.
- a further contact point 11 is provided, on which a contact point 1 is supported on the excavator shield. In the contact point 1, this is the upper front edge of the excavator shield.
- the contact point 11 on the additional axis is designed as a concave recess into which the upper front edge of the excavator blade engages.
- a bolt receptacle 30 is further provided on the excavator blade, which can be bolted to a bolt receptacle 31 on the additional axis.
- the tab 30 is arranged at the top of the excavator shield and extends in a plane perpendicular to the axis of rotation of the excavator shield.
- the bolt receptacle 31 is arranged in an upper region of the receptacle.
- a plurality of tabs and / or a plurality of bolt receptacles may be provided to secure the additional axle on the excavator blade.
- an adjusting element 17 is provided on the receptacle, which is designed to be adjustable.
- the adjusting element 17 is in the coupled state with the front of the shield 5 in contact. As a result, vibrations can be avoided during load changes.
- the coupling of the additional axle on the excavator shield is done by the excavator shield as in FIG. 3 shown in the lowered position so moved up to the deposited on the floor additional axis that the upper side of the excavator blade is disposed below an upper portion of the receptacle of the additional axis.
- the excavator shield is first raised, whereby the upper edge of the excavator shield comes into contact with the receptacle on the additional axle and also raises it. This results in a rotational movement about the tired axle 40 and optionally a longitudinal movement to the mobile construction machine on the additional axle.
- the lower edge of the excavator blade pivots over the undercut 12, as in FIG. 4 is shown.
- a guide device which guides the additional axle when lowering the pivoting element on a different contour on the pivoting element than during lifting. This can be achieved that the undercut 2 on the excavator blade with the undercut 12 on the receptacle and the contact point 1 with the contact point 11 on the receptacle engages without the additional axis held this on the excavator style or arranged on excavator style equipment or would have to be moved.
- the guide device comprises a rigid guide bow 14, which is arranged on the additional axis at the upper region of the receptacle. As in FIGS. 3 and 4 shown, the bucket is thereby moved with its upper edge under this guide sheet 14 and raised, so that the additional axis when lifting the excavator blade on the guide sheet 14 is slidably guided on the upper edge of the excavator blade 50 and is also raised.
- a counter-guide element 4 is arranged, on which the guide bow 14 is supported.
- the guide device further has a guide lever 10, which is articulated in the upper region of the receptacle about a horizontal axis of rotation pivotally mounted on the additional axis.
- the guide lever 10 and the upper portion of the receptacle is in detail A in FIG. 1 again shown in more detail.
- the guide lever 20 is articulated in the region of the guide arc 14 about the rotation axis 20 rotatably on the upper portion 3 of the receptacle.
- the guide lever 10 is freely rotatably disposed on the axis 20 and is thus also rotated by gravity during rotation of the additional axis.
- the counter-guide member 4 slides along first on the guide bow 14, wherein the additional axis is further supported by a centrally disposed on the receptacle contact element 15 on the excavator blade 5.
- the guide lever 10 By moving the counter-guide element 4 along the guide arc 14, the guide lever 10 is rotated about its axis of rotation 20, since the guide element 4 comes into contact with the longitudinal side 23 of the guide lever and aligns it substantially parallel to the guide arc 14.
- the longitudinal side 23 has a fold 24, to which a recess 21 and a run-on slope 22 follow.
- the guide lever 10 falls downwards due to gravity, so that it rests with its run-on slope 22 on the counter-guide element 4. This situation is in FIG. 5 shown. In this case, the guide lever is in the in FIG. 1 dashed line position shown.
- a concave depression is provided, in which the counter-guide element 4 engages. Then the lifting of the excavator shield is stopped and, as in FIG. 6 represented, the excavator shield 50 is lowered again. The counter-guide element 4 now slides back a short distance along the guide arc 14 until it engages in the concave depression 21 on the guide lever 10. Upon further lowering of the excavator shield, the additional axle is now supported via the guide lever 10 on the counter guide element 4. The guide lever 10 pivots about its axis of rotation 20, so that there is a second, compared to the guide sheet 14 changed contour.
- the guide device thus makes it possible that the additional axle is automatically guided at coupling and uncoupling at two different contours.
- the first contour makes it possible that when raising the additional axis through the shield, the lower edge of the shield can pivot over a later rear grip.
- the additional axle is guided on a second contour and thereby brought into a position in which the excavator blade or the additional axle form a unit by positive engagement.
- the second contour is provided by a guide lever, by which the axis is automatically raised when lowering the excavator shield against this and thus enables the positive engagement of the invention.
- the additional axle is preferably a trailing axle, which on the back of a mobile construction machine, in particular on the back a wheeled excavator is arranged.
- the trailing axle can be easily attached to the excavator blade without tools and for the operator.
- the counter-guide member 4 comes into contact with the guide sheet 14 and raises the additional axis. Swing when lifting the excavator blade, as in FIG. 4 represented, the front lower edge 53 and the undercut 2 of the excavator blade over the undercut 12 at the bottom of the receptacle. Upon further lifting of the support plate, the counter-guide element 4 and the guide lever 10 come into contact. Now the upward movement of the Abstützschildes ends.
- the additional device is guided by the guide lever 10 on a defined path, as in FIG. 6 is shown. After passing through this trajectory, a positive connection between Abstützschild and additional axle is formed. In this position, the support plate is supported on the additional axle, so that it is loaded.
- the dismantling of the additional axis is done in reverse order, that is by raising the Abstützschildes to the lower undercut 2 is free, lowering the Abstweilschildes until the additional axis rests on the ground and the point of contact is free, and moving back the mobile construction machine until the AbstNeillschild completely led out of the recording on the additional axis.
- the guide lever 20 is therefore not needed.
- the coupling of an additional axle was shown on an excavator blade.
- the guide device according to the invention can also be used for coupling any other additional devices.
- the coupling does not necessarily have to be done on an excavator shield, but can be done at any pivotable about a horizontal axis of rotation pivoting elements, which are arranged on the mobile construction machine.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Description
Die vorliegende Erfindung betrifft eine mobile Baumaschine, insbesondere einen Bagger, mit einem durch einen Aktor um eine horizontale Drehachse schwenkbaren Schwenkelement, insbesondere einem Baggerschild, und einer Zusatzeinrichtung, insbesondere einer Zusatzachse, welche an dem Schwenkelement durch Anheben und Absenken des Schwenkelementes so ankoppelbar ist, dass das Schwenkelement formschlüssig in eine Aufnahme an der Zusatzeinrichtung eingreift. Die mobile Baumaschine, insbesondere der Bagger, kann dabei insbesondere mindestens zwei bereifte Achsen aufweisen.The present invention relates to a mobile construction machine, in particular an excavator, having a pivotable about an axis of rotation by an actuator pivoting element, in particular an excavator blade, and an accessory, in particular an additional axis, which is coupled to the pivot member by raising and lowering the pivot member so that the pivoting element engages positively in a receptacle on the additional device. The mobile construction machine, in particular the excavator, may in particular have at least two frosted axles.
Mobile Baumaschinen, insbesondere als Radfahrzeuge ausgeführte mobile Baumaschinen, sind oft straßentauglich und können unabhängig und eigenständig zu Ihrem Einsatzort fahren. Am Einsatzort können gegebenenfalls Abstützungen ausgefahren werden, über welche die mobile Baumaschine solide verankert werden kann.Mobile construction machinery, especially as wheeled mobile construction machines, are often roadworthy and can drive independently and independently to your site. Where appropriate, supports can be extended at the place of use, over which the mobile construction machine can be solidly anchored.
Dabei kann bei einem Bagger z. B. das Schild als eine solche Abstützung dienen. Ein solches Abstützschild, welches daneben auch als Planierschild dienen kann, ist dabei üblicherweise entweder vorne und/oder hinten am Bagger angeordnet und kann zum Beispiel hydraulisch um eine horizontale Achse abgesenkt und angehoben werden.It can in an excavator z. As the shield serve as such a support. Such a support plate, which can also serve as a blade, is usually either front and / or rear of the excavator arranged and can be lowered and raised hydraulically about a horizontal axis, for example.
In Deutschland ist im Rahmen der Straßenverkehrsordnung die Achslast von Mobilbaggern zur Erlangung einer uneingeschränkten - das heißt nicht streckengebundenen - Fahrerlaubnis beschränkt. Bei angetriebenen Achsen ist die maximal zulässige Achslast derzeit 11,5 t und bei nicht angetriebenen Achsen 10 t. Das maximal zulässige Baggergewicht für Straßenfahrten ist bei zwei Achsen auf 18 t begrenzt.In Germany, the axle load of wheeled excavators within the framework of the Highway Code is limited to obtaining an unrestricted - that is not track-bound - driving license. For driven axles, the maximum permissible axle load is currently 11.5 t and for non-driven axles 10 t. The maximum excavator weight for road driving is limited to 18 t with two axles.
Aus der
Bei der aus der
Alternativ hierzu ist es ebenfalls bekannt, eine starre Aufnahme an der Zusatzeinrichtung vorzusehen, an welcher das Baggerschild durch Anheben und Absenken ankoppelbar ist. Beim Anheben der Zusatzachse durch das Baggerschild schwenkt die Unterkante des Baggerschildes dabei über einen Hinterschnitt hinweg. Beim Absenken des Baggerschildes muss die Zusatzachse jedoch mit Hilfe der Ausrüstung am Baggerstil gleitend in Richtung Bagger geschoben werden. Nur hierdurch kann erreicht werden, dass das Baggerschild in den Hinterschnitt an der Zusatzachse hineinschwenkt und somit formschlüssig an der Aufnahme an der Zusatzeinrichtung angreift.Alternatively, it is also known to provide a rigid receptacle on the additional device to which the excavator blade can be coupled by raising and lowering. When lifting the additional axle by the excavator blade pivots the lower edge of the excavator shield over an undercut. When lowering the excavator shield, however, the auxiliary axle must be slid towards the excavator with the help of the excavator-style equipment. Only hereby can be achieved that the excavator blade pivots into the undercut on the additional axis and thus positively engages the receptacle on the additional device.
Das Ankoppeln von bekannten Zusatzeinrichtungen an einem Schwenkelement ist damit aufwendig und kompliziert.The coupling of known auxiliary devices on a pivoting element is therefore complicated and complicated.
Aufgabe der vorliegenden Erfindung ist es daher, eine mobile Baumaschine zur Verfügung zu stellen, welche ein einfacheres Ankoppeln einer Zusatzeinrichtung an einem Schwenkelement ermöglicht. Vorteilhafterweise soll dabei das Ankoppeln allein durch Anheben und Absenken des Schwenkelementes möglich sein, ohne dass weitere Hilfsmittel wie z. B. der Baggerstiel eingesetzt werden müßten.Object of the present invention is therefore to provide a mobile construction machine available, which allows a simpler coupling an additional device to a pivoting element. Advantageously, the coupling should be possible only by raising and lowering the pivoting element, without further aids such. B. the excavator handle would have to be used.
Erfindungsgemäß wird diese Aufgabe von einer mobilen Baumaschine gemäß Anspruch 1 gelöst. Die erfindungsgemäße mobile Baumaschine weist ein durch einen Aktor um eine horizontale Drehachse schwenkbares Schwenkelement und eine Zusatzeinrichtung auf, welche an dem Schwenkelement durch Anheben und Absenken des Schwenkelementes so ankoppelbar ist, dass das Schwenkelement formschlüssig in eine Aufnahme an der Zusatzeinrichtung eingreift. Erfindungsgemäß ist vorgesehen, dass die Zusatzeinrichtung und/oder das Schwenkelement eine Führungseinrichtung aufweist, durch welche die Zusatzeinrichtung beim Absenken des Schwenkelementes auf einer anderen Kontur am Schwenkelement geführt wird als beim Anheben.According to the invention this object is achieved by a mobile construction machine according to claim 1. The mobile construction machine according to the invention has a pivotable by an actuator about a horizontal axis of rotation pivoting element and an additional device which can be coupled to the pivot member by raising and lowering the pivot member so that the pivot member engages positively in a receptacle on the additional device. According to the invention, it is provided that the additional device and / or the pivoting element has a guide device, by means of which the additional device is guided on lowering of the pivoting element on a different contour on the pivoting element than during lifting.
Beim Anheben wird die Zusatzeinrichtung daher zunächst auf einer ersten Kontur am Schwenkelement geführt und dabei ebenfalls angehoben. Vorteilhafterweise wird dabei die Unterkante des Schwenkelements über einen Hinterschnitt an der Aufnahme der Zusatzeinrichtung geschwenkt. Beim darauffolgenden Absenken des Schwenkelements wird die Zusatzeinrichtung durch die erfindungsgemäße Führungseinrichtung auf einer zweiten, von der ersten Kontur unterschiedlichen Kontur am Schwenkelement geführt. Durch diese zweite Kontur ist es möglich, dass die Zusatzeinrichtung so am Schwenkelement geführt wird, dass das Schwenkelement formschlüssig in die Aufnahme an der Zusatzeinrichtung eingreift und insbesondere mit dem Hinterschnitt in Eingriff kommt. Insbesondere ermöglicht es die zweite Kontur dabei, dass das Schwenkelement ohne den Einsatz des Baggerstiels in die Aufnahme eingreift.When lifting the additional device is therefore first performed on a first contour on the pivoting element and thereby also raised. Advantageously, while the lower edge of the pivoting element is pivoted via an undercut on the receptacle of the additional device. During the subsequent lowering of the pivoting element, the auxiliary device is replaced by the guide device according to the invention on a second, different from the first contour contour guided on the pivoting element. By this second contour, it is possible that the additional device is guided on the pivoting element, that the pivoting element engages positively in the receptacle on the auxiliary device and in particular comes into engagement with the undercut. In particular, the second contour makes it possible for the pivoting element to engage in the receptacle without the use of the excavator handle.
Vorteilhafterweise ist die Führungseinrichtung dabei so ausgeführt, dass das Ankoppeln der Zusatzeinrichtung allein durch das Anheben und das darauffolgende Absenken des Schwenkelements erfolgt, ohne dass hierzu weitere Manipulationen an der Zusatzeinrichtung nötig wären. Insbesondere wird dabei die Zusatzeinrichtung beim Absenken des Schwenkelementes automatisch auf einer anderen Kontur am Schwenkelement geführt als beim Anheben.Advantageously, the guide device is designed so that the coupling of the additional device takes place solely by the lifting and the subsequent lowering of the pivot element, without the need for further manipulation of the additional device would be necessary. In particular, the additional device is automatically guided on lowering of the pivoting element on a different contour on the pivoting element than when lifting.
Vorteilhafterweise handelt es sich bei der mobilen Baumaschine um eine Baumaschine mit mindestens zwei bereiften Achsen, welche auf der Straße verfahren werden kann.Advantageously, the mobile construction machine is a construction machine with at least two tired axles, which can be moved on the road.
Weiterhin vorteilhafterweise handelt es sich bei der Zusatzeinrichtung um eine Zusatzachse, welche formschlüssig an dem Schwenkelement angekoppelt werden kann, so dass sich die mobile Baumaschine auf der Zusatzachse abstützen kann. Hierdurch können die Achslasten insbesondere für die Straßenfahrt verringert werden.Further advantageously, the additional device is an additional axle, which can be positively coupled to the pivoting element, so that the mobile construction machine can be supported on the additional axle. As a result, the axle loads can be reduced, especially for road travel.
Vorteilhafterweise handelt es sich bei der mobilen Baumaschine dabei um einen Mobilbagger, insbesondere um einen Mobilbagger mit mindestens zwei bereiften Achsen. Insbesondere handelt es sich bei der mobilen Baumaschine um einen Hydraulikbagger.Advantageously, the mobile construction machine is a wheeled excavator, in particular a wheeled excavator having at least two wheels that are tired. In particular, the mobile construction machine is a hydraulic excavator.
Weiterhin vorteilhafterweise handelt es sich bei dem Schwenkelement um ein Baggerschild, welches z. B. zum Abstützen und/oder zum Räumen eingesetzt werden kann. Vorteilhafterweise ist das Schwenkelement vorne und/oder hinten an der mobilen Baumaschine angeordnet.Further advantageously, it is at the pivoting element to an excavator blade, which z. B. used for supporting and / or for cleaning can. Advantageously, the pivoting element is arranged on the front and / or rear of the mobile construction machine.
Weiterhin vorteilhafterweise weist das Schwenkelement eine einzige horizontale Drehachse auf, um welche es nach oben und nach unten schwenkbar ist. Als Aktor können dabei einer oder mehrere Hydraulikzylinder eingesetzt werden.Further advantageously, the pivot member has a single horizontal axis of rotation about which it is pivotable upwards and downwards. As an actuator while one or more hydraulic cylinders can be used.
Vorteilhafterweise umfasst die erfindungsgemäße Führungseinrichtung ein beweglich an der Zusatzeinrichtung und/oder am Schwenkelement angelenktes Führungselement, insbesondere einen Hebel. Das bewegliche Führungselement ermöglicht dabei eine Veränderung der Kontur, auf welcher die Zusatzeinrichtung am Baggerschild geführt wird. Vorteilhafterweise wird das bewegliche Führungselement dabei beim Anheben und/oder Absenken des Schwenkelementes bewegt. Weiterhin vorteilhafterweise ergibt sich dabei eine geänderte Kontur, indem ein Gegenführungselement in das Führungselement eingreift und mit diesem zusammen während dem Absenken des Schwenkelements gegenüber der beim Anheben eingesetzten Kontur bewegt wird.Advantageously, the guide device according to the invention comprises a guide element, in particular a lever, movably attached to the auxiliary device and / or to the pivoting element. The movable guide element allows a change in the contour on which the auxiliary device is guided on the excavator blade. Advantageously, the movable guide element is thereby moved when lifting and / or lowering the pivoting element. Further advantageously, this results in a modified contour by a counter-guide element engages in the guide element and is moved together with this during the lowering of the pivot member relative to the contour used during lifting.
Vorteilhafterweise ist dabei das Führungselement an der Zusatzeinrichtung angelenkt ist, insbesondere an der Aufnahme der Zusatzeinrichtung.Advantageously, the guide element is articulated on the additional device, in particular on the receptacle of the additional device.
Weiterhin vorteilhafterweise weist die Führungseinrichtung einen starren Führungsbogen auf, über welchen die Zusatzeinrichtung beim Anheben des Schwenkelementes gleitend geführt ist. Dieser Führungsbogen stellt damit die erste Kontur zur Verfügung, an welcher die Zusatzeinrichtung beim Anheben des Schwenkelementes geführt wird. Vorteilhafterweise ist der Führungsbogen so gestaltet, dass das Schwenkelement beim Anheben über einen Hinterschnitt der Aufnahme hinwegschwenkt.Further advantageously, the guide means comprises a rigid guide arc over which the auxiliary device is slidably guided when lifting the pivot member. This guide arc thus provides the first contour at which the additional device is guided when lifting the pivoting element. Advantageously, the guide arc is designed so that the pivoting element pivots away when lifting over an undercut of the recording.
Vorteilhafterweise wird die Zusatzeinrichtung beim Absenken des Baggerschildes zumindest teilweise über ein bewegliches Führungselement am Schwenkelement geführt. Das bewegliche Führungselement stellt damit die zweite Kontur zur Verfügung, an welcher die Zusatzeinrichtung beim Absenken des Schwenkelementes zumindest teilweise geführt wird. Das Führungselement sorgt dabei vorteilhafterweise dafür, dass das Schwenkelement mit einem Hintergriff an der Aufnahme in Eingriff gerät.Advantageously, when the excavator shield is lowered, the attachment is guided at least partially over a movable guide element on the pivoting element. The movable guide element thus provides the second contour, at which the auxiliary device is at least partially guided when lowering the pivoting element. The guide element advantageously ensures that the pivoting element comes into engagement with a rear grip on the receptacle.
Vorteilhafterweise weist die Führungseinrichtung ein bewegliches Führungselement auf, welches in einem Endbereich des Führungsbogens mit einem Gegenführungselement in Kontakt kommt, wobei die Zusatzeinrichtung beim darauffolgenden Absenken des Schwenkelementes über das Führungselement am Gegenführungselement geführt wird. Vorteilhafterweise kommt dabei das Gegenführungselement mit dem Führungselement in Eingriff, wodurch das bewegliche Führungselement beim Absenken insbesondere gegenüber dem Führungsbogen bewegt wird.Advantageously, the guide device has a movable guide element, which comes into contact with a counter guide element in an end region of the guide arc, wherein the additional device is guided on the counter guide element during the subsequent lowering of the pivot element via the guide element. Advantageously, while the counter-guide element comes into engagement with the guide element, whereby the movable guide element is moved during lowering, in particular with respect to the guide arc.
Weiterhin vorteilhafterweise ist das Führungselement frei drehbar angelenkt. Hierdurch ergibt sich eine besonders einfache Konstruktion. Vorteilhafterweise kommt das Führungselement dabei durch den Einfluss der Schwerkraft mit einem Gegenführungselement in Kontakt. Das Führungselement dreht sich daher beim Anheben und/oder Absenken durch den Einfluß der Schwerkraft, so dass es in eine Position schwenkt, in welchem es mit dem Gegenführungselement in Eingriff kommen kann.Further advantageously, the guide element is freely rotatably articulated. This results in a particularly simple construction. Advantageously, the guide element comes through the influence of gravity with a counter-guide element in contact. The guide member therefore rotates upon lifting and / or lowering by the influence of gravity, so that it pivots to a position in which it can engage with the counter-guide element.
Vorteilhafterweise weist die Aufnahme an der Zusatzeinrichtung einen ersten Führungsbereich auf, über welchen sich die Zusatzeinrichtung bei einem Anheben des Schwenkelementes auf diesem abstützten kann und so ein zumindest teilweises Anheben der Zusatzeinrichtung durch das Schwenkelement ermöglicht. Insbesondere wird dabei das Schwenkelement durch Heranfahren der mobilen Baumaschine an die Zusatzeinrichtung unter dem ersten Führungsbereich plaziert und dann angehoben. Hierdurch kann auch die Zusatzeinrichtung angehoben werden. Handelt es sich bei der Zusatzeinrichtung um eine Zusatzachse, so wird diese vorteilhafterweise um ihre Radachse nach oben gedreht und gegebenenfalls durch diese Bewegung auch axial verschoben.Advantageously, the receptacle on the auxiliary device has a first guide region, via which the additional device can be supported on lifting of the pivoting element on this and thus enables at least partial lifting of the additional device by the pivoting element. In particular, the pivoting element is placed by approaching the mobile construction machine to the additional device under the first guide area and then raised. As a result, the additional device can be raised. If the additional device is an additional axle, then it is advantageously turned upwards around its wheel axle and if necessary also axially displaced by this movement.
Vorteilhafterweise weist der Führungsbereich dabei einen Führungsbogen auf, über welchen die Zusatzeinrichtung beim Anheben des Schwenkelementes gleitend geführt ist.Advantageously, the guide region in this case has a guide arc over which the auxiliary device is guided in a sliding manner when lifting the pivoting element.
Weiterhin vorteilhafterweise ist ein bewegliches Führungselement so an der Zusatzeinrichtung angelenkt, dass es in einem Endbereich des Führungsbogens mit einem Gegenführungselement am Schwenkelement in Kontakt kommt, wobei die Zusatzeinrichtung beim darauffolgenden Absenken des Schwenkelements über das Führungselement am Gegenführungselement geführt wird. Vorteilhafterweise ist das Gegenführungselement dabei im Bereich der Oberkante des Schwenkelements, insbesondere im Bereich der Oberkante des Baggerschildes angeordnet.Further advantageously, a movable guide member is hinged to the attachment so that it comes in an end portion of the guide arc with a counter-guide element on the pivot element in contact, wherein the auxiliary device is guided in the subsequent lowering of the pivot member via the guide element on the counter-guide element. Advantageously, the counter-guide element is arranged in the region of the upper edge of the pivot element, in particular in the region of the upper edge of the excavator shield.
Das Gegenführungselement gleitet dabei vorteilhafterweise beim Anheben des Schwenkelements entlang des Führungsbogens. Das bewegliche Führungselement kommt dabei vorteilhafterweise in eine Eingriffsposition am Führungsbogen, so dass das Gegenführungselement beim darauffolgenden Absenken des Schwenkelementes mit dem Führungselement in Eingriff kommt.The counter-guide element slides advantageously during lifting of the pivoting element along the guide arc. The movable guide element advantageously comes into an engagement position on the guide arc, so that the counter-guide element engages with the guide element during the subsequent lowering of the pivot element.
Vorteilhafterweise weist der Führungshebel dabei eine Anlaufschräge auf, welche das Gegenführungselement mit einer Aussparung am Führungshebel in Eingriff bringt.Advantageously, the guide lever in this case has a run-on slope, which brings the counter-guide element with a recess on the guide lever into engagement.
Beim weiteren Absenken des Schwenkelementes stützt sich dabei die Zusatzeinrichtung vorteilhafterweise über das bewegliche Führungselement auf dem Gegenführungselement ab. Vorteilhafterweise schwenkt dabei das Führungselement beim weiteren Absenken um eine Drehachse an der Zusatzeinrichtung und stellt so die zweite, von der Kontur des Führungsbogens unterschiedliche Kontur zur Verfügung. Hierdurch wird die Zusatzeinrichtung so am Schwenkelement geführt, dass das Schwenkelement formschlüssig in eine Aufnahme an der Zusatzeinrichtung eingreift. Vorteilhafterweise kann sich die mobile Baumaschine hierdurch auf der Zusatzeinrichtung abstützen.Upon further lowering of the pivoting element, the auxiliary device is advantageously supported via the movable guide element on the counter-guide element. Advantageously, the guide element pivots during further lowering about an axis of rotation of the additional device and thus provides the second, different from the contour of the guide arc contour available. As a result, the additional device is guided on the pivoting element, that the pivoting element engages positively in a receptacle on the additional device. Advantageously, the mobile construction machine can thereby be supported on the additional device.
Vorteilhafterweise weist die Aufnahme an der Zusatzeinrichtung einen Hinterschnitt auf, über welchen das Schwenkelement beim Anheben der Zusatzeinrichtung hinwegschwenkt und mit welchem das Schwenkelement beim Absenken in Eingriff kommt. Dieser Hinterschnitt bildet dabei vorteilhafterweise einen ersten Kontaktbereich, auf welchem sich das Schwenkelement an der Zusatzeinrichtung abstützen kann. Vorteilhafterweise kommt dabei die Unterkante des Schwenkelements, insbesondere die Unterkante des Baggerschilds, mit dem Hinterschnitt in Eingriff.Advantageously, the receptacle on the additional device has an undercut, over which the pivoting element pivots away during the lifting of the additional device and with which the pivoting element engages when lowering. This undercut advantageously forms a first contact region on which the pivoting element can be supported on the additional device. Advantageously, the lower edge of the pivoting element, in particular the lower edge of the excavator shield, engages with the undercut.
Weiterhin vorteilhafterweise weist die Aufnahme einen zweiten Kontaktbereich auf, zu welchem das Schwenkelement beim Absenken gelenkt wird und mit welchem das Schwenkelement in Eingriff kommt. Vorteilhafterweise kommt der zweite Kontaktbereich dabei mit der Oberkante des Schwenkelements, insbesondere mit der Oberkante des Baggerschildes in Eingriff. Das Schwenkelement und damit die mobile Baumaschine können sich dabei vorteilhafterweise auf dem ersten und dem zweiten Kontaktbereich abstützen. Die formschlüssige Verbindung zwischen mobiler Baumaschine und Schwenkelement erfolgt damit durch das Zusammenspiel des Schwenkelementes mit den beiden Kontaktbereichen an der Aufnahme.Further advantageously, the receptacle has a second contact region, to which the pivoting element is deflected when lowering and with which the pivoting element engages. Advantageously, the second contact region thereby comes into engagement with the upper edge of the pivoting element, in particular with the upper edge of the excavator shield. The pivoting element and thus the mobile construction machine can advantageously be supported on the first and the second contact area. The positive connection between the mobile construction machine and the pivoting element is thus effected by the interaction of the pivoting element with the two contact areas on the receptacle.
Vorteilhafterweise sind die Bereiche der Aufnahme an der Zusatzeinrichtung, welche die formschlüssige Verbindung bereitstellen, starr ausgeführt, und insbesondere Teil einer starren Stahlkonstruktion. Insbesondere sind dabei der erste und der zweite Kontaktbereich, welche die formschlüssige Verbindung herstellen, gegeneinander unbeweglich.Advantageously, the areas of the receptacle on the attachment, which provide the positive connection, rigid, and in particular part of a rigid steel structure. In particular, the first and the second contact region, which produce the positive connection, are immovable relative to one another.
Vorteilhafterweise ist weiterhin eine Sicherungseinrichtung vorgesehen, durch welche die Zusatzeinrichtung am Schwenkelement in angekoppelter Position gesichert werden kann. Insbesondere kann es sich dabei um eine Verbolzung handeln.Advantageously, a securing device is further provided by which the additional device can be secured to the pivoting element in the coupled position. In particular, it may be a Verbolzung.
Die vorliegende Erfindung umfasst weiterhin eine Zusatzeinrichtung für eine mobile Baumaschine, wie sie oben beschrieben wurde. Insbesondere umfasst die Zusatzeinrichtung dabei zumindest Teile einer Führungseinrichtung, durch welche die Zusatzeinrichtung beim Absenken des Schwenkelements auf einer anderen Kontur am Schwenkelement geführt wird als beim Anheben. Vorteilhafterweise ist die Zusatzeinrichtung bzw. die Führungseinrichtung dabei so ausgeführt, wie dies oben dargestellt wurde. Insbesondere umfaßt die Zusatzeinrichtung dabei ein bewegliches Führungselement.The present invention further includes an attachment for a mobile construction machine as described above. In particular, the additional device comprises at least parts of a guide device, through which the additional device when lowering the pivoting element on another contour is guided on the pivoting element than when lifting. Advantageously, the additional device or the guide device is designed as shown above. In particular, the additional device comprises a movable guide element.
Die vorliegende Erfindung umfasst weiterhin ein Schwenkelement für eine mobile Baumaschine, wie es oben dargestellt wurde. Insbesondere umfasst das Schwenkelement dabei zumindest Teile einer Führungseinrichtung, durch welche die Zusatzeinrichtung beim Absenken des Schwenkelements auf einer anderen Kontur am Schwenkelement geführt wird als beim Anheben. Vorteilhafterweise ist das Schwenkelement bzw. die Führungseinrichtung dabei so ausgeführt, wie dies oben dargestellt wurde. Insbesondere umfaßt das Schwenkelement dabei ein Gegenführungselement.The present invention further comprises a pivoting member for a mobile construction machine as set forth above. In particular, the pivoting element comprises at least parts of a guide device, through which the additional device is guided on lowering the pivot member on a different contour on the pivoting member than when lifting. Advantageously, the pivoting element or the guide device is designed as shown above. In particular, the pivoting element comprises a counter-guide element.
Insbesondere handelt es sich bei dem Schwenkelement um ein Baggerschild. Vorteilhafterweise weist das Schwenkelement dabei ein Gegenführungselement auf, welches mit einem Führungselement an der Zusatzeinrichtung in Eingriff gelangen kann. Das Schwenkelement kann zudem insbesondere in den Kontaktbereichen mit der Aufnahme an der Zusatzeinrichtung Verstärkungen aufweisen.In particular, the pivoting element is an excavator shield. Advantageously, the pivoting element in this case has a counter-guide element which can engage with a guide element on the additional device. The pivoting element can also have reinforcements, in particular in the contact areas with the receptacle on the additional device.
Die vorliegende Erfindung umfasst weiterhin eine mobile Baumaschine mit einem Schwenkelement, wie es oben dargestellt wurde.The present invention further includes a mobile construction machine having a pivoting member as set forth above.
Die vorliegende Erfindung umfasst weiterhin ein Verfahren zum Ankoppeln einer Zusatzeinrichtung an einem durch einen Aktor um eine horizontale Drehachse schwenkbaren Schwenkelement einer mobilen Baumaschine. Das Verfahren umfasst dabei die Schritte: Heranfahren der Baumaschine an die Zusatzeinrichtung; Anheben des Schwenkelements, so dass die Zusatzeinrichtung zumindest teilweise angehoben wird; Absenken des Schwenkelements, so dass das Schwenkelement formschlüssig in eine Aufnahme an der Zusatzeinrichtung eingreift. Erfindungsgemäß ist dabei vorgesehen, dass die Zusatzeinrichtung durch eine Führungseinrichtung an der Zusatzeinrichtung und/oder am Schwenkelement beim Absenken des Schwenkelementes auf einer anderen Kontur am Schwenkelement geführt wird als beim Anheben.The present invention further comprises a method for coupling an auxiliary device to a pivoting element of a mobile construction machine which can be pivoted by an actuator about a horizontal axis of rotation. The method comprises the steps of: moving the construction machine to the additional device; Lifting the pivoting element, so that the auxiliary device is at least partially raised; Lowering the pivoting element, so that the pivoting element engages positively in a receptacle on the additional device. According to the invention it is provided that the additional device by a guide device on the additional device and / or on the pivoting element when lowering the Pivoting element is guided on a different contour on the pivoting element than when lifting.
Vorteilhafterweise erfolgt das Ankoppeln dabei so, wie dies oben hinsichtlich der mobilen Baumaschine bereits dargestellt wurde.Advantageously, the coupling takes place as already described above with regard to the mobile construction machine.
Die vorliegende Erfindung wird nun anhand von Ausführungsbeispielen sowie Zeichnungen näher dargestellt. Dabei zeigen:
- Figur 1:
- ein Ausführungsbeispiel einer erfindungsgemäßen Einrichtung in einer Seitenansicht sowie in einem vergrößerten Detail,
- Figur 2:
- das Ausführungsbeispiel einer erfindungsgemäßen Zusatzeinrichtung und ein Ausführungsbeispiel eines erfindungsgemäßen Schwenkelements, wobei die Zusatzeinrichtung am Schwenkelement angekoppelt ist, in einer Schnittansicht,
- Figur 3:
- einen ersten Schritt eines Ausführungsbeispiels eines erfindungsgemäßen Verfahrens zum Ankoppeln einer erfindungsgemäßen Zusatzeinrichtung an einem erfindungsgemäßen Schwenkelement,
- Figur 4:
- einen zweiten Schritt des erfindungsgemäßen Verfahrens,
- Figur 5:
- einen dritten Schritt des erfindungsgemäßen Verfahrens,
- Figur 6:
- einen vierten Schritt eines erfindungsgemäßen Verfahrens sowie
- Figur 7:
- einen fünften Schritt eines erfindungsgemäßen Verfahrens.
- FIG. 1:
- An embodiment of a device according to the invention in a side view and in an enlarged detail,
- FIG. 2:
- the embodiment of an additional device according to the invention and an embodiment of a pivoting element according to the invention, wherein the additional device is coupled to the pivoting element, in a sectional view,
- FIG. 3:
- a first step of an embodiment of a method according to the invention for coupling an additional device according to the invention to a pivoting element according to the invention,
- FIG. 4:
- a second step of the method according to the invention,
- FIG. 5:
- a third step of the method according to the invention,
- FIG. 6:
- a fourth step of a method according to the invention as well
- FIG. 7:
- a fifth step of a method according to the invention.
Eine erfindungsgemäße Baumaschine, welche im Ausführungsbeispiel nicht näher dargestellt ist, weist dabei üblicherweise mindestens zwei bereifte Achsen auf, über welche sie auf der Straße verfahrbar ist. Insbesondere handelt es sich bei der mobilen Baumaschine dabei um einen Mobilbagger, insbesondere um einen Hydraulikbagger. Ein solcher Mobilbagger weist dabei üblicherweise mindestens einen Baggerstiel auf, an welchem eine Arbeitsausrüstung wie z. B. eine Baggerschaufel angeordnet und über den Baggerstiel bewegt werden kann.A construction machine according to the invention, which is not shown in detail in the exemplary embodiment, usually has at least two frosted axles, via which it can be moved on the road. In particular, it is the mobile Construction machine here to a wheeled excavator, in particular a hydraulic excavator. Such a wheeled excavator usually has at least one excavator handle on which a working equipment such. B. an excavator bucket and can be moved over the excavator handle.
Die
Die erfindungsgemäße Zusatzachse kann an einem mobilen Arbeitsgerät, insbesondere an einem Mobilbagger angekoppelt werden, um die Achslasten der einzelnen Achsen zu verringern und so eine Verfahrbarkeit auf der Straße herzustellen. Zudem erhöht sich durch die zusätzliche Achse das zulässige Gesamtgewicht der Baumaschine. Die Zusatzachse weist dabei eine Aufnahme auf, in welche ein an der mobilen Baumaschine angeordnetes Schwenkelement eingreifen kann, so dass eine formschlüssige Verbindung zwischen der mobilen Baumaschine und der Zusatzachse gegeben ist. Hierdurch kann sich die mobile Baumaschine auf der Zusatzachse abstützen.The additional axle according to the invention can be coupled to a mobile implement, in particular to a wheeled excavator, in order to reduce the axle loads of the individual axles and thus to produce mobility on the road. In addition, the additional axle increases the permissible total weight of the construction machine. The additional axle in this case has a receptacle into which a pivoting element arranged on the mobile construction machine can engage, so that a positive connection between the mobile construction machine and the additional axle is provided. As a result, the mobile construction machine can be supported on the additional axle.
Das Schwenkelement ist dabei üblicherweise am Unterwagen bzw. am Fahrgestell der mobilen Baumaschine angeordnet, wobei die Anordnung üblicherweise entweder vorne oder hinten erfolgt. Das Schwenkelement ist dabei um eine horizontale Drehachse schwenkbar, wofür ein entsprechender Aktor an der mobilen Baumaschine vorgesehen ist. Üblicherweise handelt es sich bei dieser Drehachse um die einzige Achse, um welche das Schwenkelement bewegt werden kann. Bei dem Schwenkelement handelt es sich dabei im Ausführungsbeispiel um ein Baggerschild, welches über einen oder mehrere Hydraulikzylinder um eine horizontale Drehachse angehoben und abgesenkt werden kann. Das Baggerschild kann dabei zum Abstützen der mobilen Baumaschine eingesetzt werden. Zudem kann das Schild zu Räumzwecken eingesetzt werden.The pivoting element is usually arranged on the undercarriage or on the chassis of the mobile construction machine, wherein the arrangement usually takes place either front or rear. The pivoting element is pivotable about a horizontal axis of rotation, for which purpose a corresponding actuator is provided on the mobile construction machine. Usually, this axis of rotation is the only axis about which the pivoting element can be moved. In the exemplary embodiment, the pivoting element is an excavator shield, which can be raised and lowered about one or more hydraulic cylinders about a horizontal axis of rotation. The excavator shield can be used to support the mobile construction machine. In addition, the shield can be used for scrapping purposes.
Durch die entsprechende Anordnung der jeweiligen Kontaktstellen werden diese bei einem Abstützen der mobilen Baumaschine auf der Zusatzachse jeweils nur auf Druck belastet, so dass die von der mobilen Baumaschine in die Zusatzachse eingebrachten Kräfte alleine durch Formschluß aufgenommen werden können, ohne dass die Aufnahme hierfür bewegliche Teile benötigen würde.Due to the corresponding arrangement of the respective contact points, these are only loaded on pressure during support of the mobile construction machine on the additional axle, so that the forces introduced by the mobile construction machine into the additional axle can be absorbed solely by positive engagement, without the receptacle for this being movable parts would need.
Zur Sicherung der Zusatzachse am Baggerschild ist weiterhin eine Bolzenaufnahme 30 am Baggerschild vorgesehen, welche mit einer Bolzenaufnahme 31 an der Zusatzachse verbolzt werden kann. Die Lasche 30 ist dabei an der Oberseite des Baggerschildes angeordnet und verläuft in einer Ebene senkrecht zur Drehachse des Baggerschildes. Die Bolzenaufnahme 31 ist in einem oberen Bereich der Aufnahme angeordnet. Gegebenenfalls können auch mehrere Laschen und/oder mehreren Bolzenaufnahmen vorgesehen sein, um die Zusatzachse am Baggerschild zu sichern.To secure the additional axis on the excavator shield a
Weiterhin ist an der Aufnahme ein Verstellelement 17 vorgesehen, welches verstellbar ausgeführt ist. Das Verstellelement 17 steht dabei im angekoppelten Zustand mit der Vorderseite des Schildes 5 in Kontakt. Dadurch können Vibrationen bei Belastungsänderungen vermieden werden.Furthermore, an adjusting
Das Ankoppeln der Zusatzachse am Baggerschild erfolgt, indem das Baggerschild wie in
Die Führungseinrichtung umfasst dabei einen starren Führungsbogen 14, welcher am oberen Bereich der Aufnahme an der Zusatzachse angeordnet ist. Wie in
Die Führungseinrichtung weist weiterhin einen Führungshebel 10 auf, welcher im oberen Bereich der Aufnahme um eine horizontale Drehachse schwenkbar an der Zusatzachse angelenkt ist. Der Führungshebel 10 und der obere Bereich der Aufnahme ist dabei im Detail A in
Beim Anheben des Baggerschildes 50 gleitet das Gegenführungselement 4 zunächst auf dem Führungsbogen 14 entlang, wobei sich die Zusatzachse weiterhin durch ein mittig an der Aufnahme angeordnetes Kontaktelement 15 auf dem Baggerschild 5 abstützt.When lifting the
Durch Bewegen des Gegenführungselements 4 entlang des Führungsbogens 14 wird der Führungshebel 10 um seine Drehachse 20 verdreht, da das Führungselement 4 mit der Längsseite 23 des Führungshebels in Kontakt gerät und diese im wesentlichen parallel zum Führungsbogen 14 ausrichtet.By moving the
Die Längsseite 23 weist dabei eine Abkantung 24 auf, an welche sich eine Aussparung 21 sowie eine Anlaufschräge 22 anschließen. Sobald das Gegenführungselement 4 die Abkantung 24 erreicht hat, fällt der Führungshebel 10 aufgrund der Schwerkraft nach unten, so dass er mit seiner Anlaufschräge 22 auf dem Gegenführungselement 4 aufliegt. Diese Situation ist in
Am Ende des Führungsbogens 14 ist eine konkave Vertiefung vorgesehen, in welche das Gegenführungselement 4 einrastet. Daraufhin wird das Anheben des Baggerschilds beendet und, wie in
Beim Absenken des Baggerschildes 50 kommt dabei zunächst der Hinterschnitt 2 an der Unterseite des Baggerschildes mit dem Hinterschnitt 12 an der Aufnahme in Eingriff. Durch den Führungshebel 10 wird dann auch der Kontaktpunkt 1 zum Kontaktpunkt 11 an der Aufnahme geleitet. Dabei kommt die Oberkante des Baggerschilds mit der konkaven Einbuchtung der Kontaktstelle 11 in Eingriff. Nun stützt sich die mobile Baumaschine über das Baggerschild 50 auf der Zusatzachse ab. In dieser Kopplungsposition kann die Zusatzachse durch die Verbolzung 30 am Baggerschild fixiert werden. Durch ein Verstellen des Verstellelements 17 kann die Zusatzachse gegen Vibrationen bei Lastschwankungen gesichert werden.When lowering the
Die erfindungsgemäße Führungseinrichtung ermöglicht es damit, dass die Zusatzachse beim An- und Abkuppeln automatisch an zwei unterschiedlichen Konturen geführt wird. Die erste Kontur ermöglicht dabei, dass beim Anheben der Zusatzachse durch das Schild die Unterkante des Schildes über einen späteren Hintergriff hinwegschwenken kann. Beim anschließenden Absenken des Schildes wird die Zusatzachse auf einer zweiten Kontur geführt und dadurch in eine Stellung gebracht, in der das Baggerschild oder die Zusatzachse durch Formschluß eine Einheit bilden. Die zweite Kontur wird dabei durch einen Führungshebel bereitgestellt, durch welchen die Achse beim Absenken des Baggerschildes gegenüber diesem automatisch angehoben wird und so den erfindungsgemäßen Formschluß ermöglicht.The guide device according to the invention thus makes it possible that the additional axle is automatically guided at coupling and uncoupling at two different contours. The first contour makes it possible that when raising the additional axis through the shield, the lower edge of the shield can pivot over a later rear grip. During the subsequent lowering of the shield, the additional axle is guided on a second contour and thereby brought into a position in which the excavator blade or the additional axle form a unit by positive engagement. The second contour is provided by a guide lever, by which the axis is automatically raised when lowering the excavator shield against this and thus enables the positive engagement of the invention.
Bei der Zusatzachse handelt es sich dabei vorzugsweise um eine Nachlaufachse, welche an der Rückseite einer mobilen Baumaschine, insbesondere an der Rückseite eines Mobilbaggers angeordnet wird. Die Nachlaufachse kann so ohne Hilfsmittel und für den Bediener einfach an dem Baggerschild angebaut werden.The additional axle is preferably a trailing axle, which on the back of a mobile construction machine, in particular on the back a wheeled excavator is arranged. The trailing axle can be easily attached to the excavator blade without tools and for the operator.
Das Ausführungsbeispiel des erfindungsgemäßen Verfahrens zum Ankoppeln der Zusatzachse an dem Baggerschild wird nun noch einmal kurz anhand der Figuren dargestellt. Zu Beginn steht die Zusatzachse auf dem Boden, so dass die Aufnahme für das Baggerschild seitlich angeordnet ist. Das Abstützschild 50 wird nun mit geringem Abstand über dem Boden in Richtung Zusatzachse geführt, wie dies in
Anschließend wird durch Absenken des Abstützschildes die Zusatzeinrichtung durch den Führungshebel 10 auf einer definierten Bahn geführt, wie dies in
Das Abbauen der Zusatzachse erfolgt in umgekehrter Reihenfolge, das heißt durch Anheben des Abstützschildes bis der untere Hinterschnitt 2 frei ist, Absenken des Abstützschildes, bis die Zusatzachse auf dem Boden aufliegt und der Berührungspunkt frei ist, und Zurückfahren der mobilen Baumaschine, bis das Abstützschild komplett aus der Aufnahme an der Zusatzachse herausgeführt ist. Für das Abkoppeln wird der Führungshebel 20 daher nicht benötigt.The dismantling of the additional axis is done in reverse order, that is by raising the Abstützschildes to the lower undercut 2 is free, lowering the Abstützschildes until the additional axis rests on the ground and the point of contact is free, and moving back the mobile construction machine until the Abstützschild completely led out of the recording on the additional axis. For uncoupling the
Im Ausführungsbeispiel wurde das Ankoppeln einer Zusatzachse an einem Baggerschild dargestellt. Die erfindungsgemäße Führungseinrichtung kann jedoch auch zum Ankoppeln beliebiger anderer Zusatzeinrichtungen eingesetzt werden. Das Ankoppeln muss dabei auch nicht zwingend an einem Baggerschild erfolgen, sondern kann an beliebigen um eine horizontale Drehachse schwenkbaren Schwenkelementen, welche an der mobilen Baumaschine angeordnet sind, erfolgen.In the exemplary embodiment, the coupling of an additional axle was shown on an excavator blade. However, the guide device according to the invention can also be used for coupling any other additional devices. The coupling does not necessarily have to be done on an excavator shield, but can be done at any pivotable about a horizontal axis of rotation pivoting elements, which are arranged on the mobile construction machine.
Claims (15)
- Mobile construction machine, in particular excavator, having a pivoting element pivotable around a horizontal rotational axis by an actuator, in particular an excavator blade (50), and an additional device, in particular an additional axle which is couplable to the pivoting element by lifting and lowering of the pivoting element in such a way that the pivoting element engages in a receptacle on the additional device in a form-fit manner,
characterized in that
the additional device and/or the pivoting element comprise a guiding device (10, 14), through which the additional device is guided on another contour on the pivoting element when lowering the pivoting element than during the lifting. - Mobile construction machine according to claim 1, wherein the guiding device comprises a guide element movably hinged on the additional device and/or on the pivoting element, in particular a lever (10) which enables a change of the contour on which the additional device is guided on the pivoting element.
- Mobile construction machine according to claim 2, wherein the guide element (14) is hinged on the additional device, in particular on the receptacle of the additional device.
- Mobile construction machine according to one of the preceding claims, wherein the guiding device comprises a rigid guide curve (14) via which the additional device is guided in a sliding manner when lifting the pivoting element.
- Mobile construction machine according to one of the preceding claims, wherein the additional device is guided at least partially over a movable guide element (10) on the pivoting element when lowering the pivoting element.
- Mobile construction machine according to claim 4 or 5, wherein the guiding device comprises a movable guide element (10) which contacts a counter guide element (4) in an end region of the guide curve (14), wherein the additional device is guided via the guide element on the counter guide element when subsequently lowering the pivoting element.
- Mobile construction machine according to one of claims 2 to 6, wherein the guide element (10) is freely rotatably hinged und advantageously contacts a counter guide element (4) due to the influence of gravity.
- Mobile construction machine according to one of the preceding claims, wherein the receptacle on the additional device comprises a first guiding region via which the additional device can be supported thereon when lifting the pivoting element and thus enables at least a partial lifting of the additional device by means the pivoting element.
- Mobile construction machine according to claim 8, wherein the guide region comprises a guide curve (14) via which the additional device is guided in a sliding manner when lifting the pivoting element.
- Mobile construction machine according to claim 9, wherein a movable guide element (10) is hinged on the additional device in such a way that it contacts a counter guide element (4) on the pivoting element in an end region of the guide curve (14), wherein the additional device is guided via the guide element (10) on the counter guide element (4) when subsequently lowering the pivoting element.
- Mobile construction machine according to one of the preceding claims, wherein the receptacle comprises an undercut (12) over which the pivoting element (10) is pivoted away when lifting the additional device and which the pivoting element (10) engages when lowering.
- Mobile construction machine according to one of the preceding claims, wherein the receptacle comprises a contact region to which the pivoting element (10) is guided by the guiding device when lowering and with which the pivoting element engages.
- Additional device for a mobile construction machine according to one of the preceding claims.
- Pivoting element for a mobile construction machine according to one of the preceding claims.
- Method for coupling an additional device to a pivoting element of a mobile construction machine according to one of the preceding claims, which is pivotable around a horizontal rotational axis by an actuator, comprising the steps of:driving the construction machine to the additional device,lifting the pivoting element so that the additional device is at least partially lifted,lowering the pivoting element so that the pivoting element engages in a receptacle on the additional device in a form-fit manner,characterized in thatwhen lowering the pivoting element, the additional device is guided on another contour on the pivoting element by a guiding device (10, 14) on the additional device and/or on the pivoting element than during the lifting.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009047900A DE102009047900A1 (en) | 2009-09-30 | 2009-09-30 | Mobile construction machine, especially excavator |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2305896A2 EP2305896A2 (en) | 2011-04-06 |
EP2305896A3 EP2305896A3 (en) | 2014-07-16 |
EP2305896B1 true EP2305896B1 (en) | 2017-08-02 |
Family
ID=43128220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10006543.2A Active EP2305896B1 (en) | 2009-09-30 | 2010-06-23 | Mobile construction machine with a blade have a dedicated component attached thereto |
Country Status (2)
Country | Link |
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EP (1) | EP2305896B1 (en) |
DE (1) | DE102009047900A1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1584249A (en) * | 1968-02-13 | 1969-12-19 | ||
US7673403B2 (en) * | 2006-06-08 | 2010-03-09 | Thomas Edward Bridges | Method and apparatus for unassisted implement connection |
DE202006017727U1 (en) * | 2006-11-21 | 2008-04-03 | Liebherr-Hydraulikbagger Gmbh | Two-way excavator |
DE202006019051U1 (en) | 2006-12-18 | 2008-04-30 | Liebherr-Hydraulikbagger Gmbh | Wheel excavators |
-
2009
- 2009-09-30 DE DE102009047900A patent/DE102009047900A1/en not_active Ceased
-
2010
- 2010-06-23 EP EP10006543.2A patent/EP2305896B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
DE102009047900A1 (en) | 2011-04-07 |
EP2305896A3 (en) | 2014-07-16 |
EP2305896A2 (en) | 2011-04-06 |
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