EP2776361B1 - Crane, in particular loading crane for a vehicle - Google Patents
Crane, in particular loading crane for a vehicle Download PDFInfo
- Publication number
- EP2776361B1 EP2776361B1 EP12772187.6A EP12772187A EP2776361B1 EP 2776361 B1 EP2776361 B1 EP 2776361B1 EP 12772187 A EP12772187 A EP 12772187A EP 2776361 B1 EP2776361 B1 EP 2776361B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- crane
- piston
- cylinder unit
- force
- jib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/707—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic guiding devices for telescopic jibs
Definitions
- FIG. 1 is an overall perspective view of an example of a generic, relevant in the context of the present invention crane shown schematically. More specifically, this is a loading crane 1, which is mounted on a vehicle. It includes inter alia a rotatable about a vertical axis V (on a crane base 16) mounted on a crane column 3, connected to the crane column 3 and pivotally mounted about a horizontal axis H boom 4 and a displaceably mounted in the boom 4 boom extension 5.
- V vertical axis
- H boom 4 horizontal axis
- the loading crane 1 shown further comprises a piston-cylinder unit 6 for pushing and pulling the boom extension 5 relative to the boom 4, wherein the piston-cylinder unit 6 with its first end via a first force introduction region on the boom 4 and with its second end via a second Force application region on the boom extension 5 engages, and wherein the piston-cylinder unit 6 has a in a line of sight parallel to the horizontal axis H, about which the boom 4 is pivotally mounted, extending center plane M, for example, in the prior art FIG. 2a is indicated by a dashed line.
- the cylinder 18 of the piston-cylinder unit 6 is often spoken in connection with the illustrated example of a loading crane and a pusher cylinder. Between the second boom 4 and the crane column 3, a first boom 2 is arranged.
- the piston-cylinder units 9 and 10 serve to move the 1st and 2nd boom.
- the loading crane 1 serves to lift a load that can be hung on the hook 17, on or from the back of a vehicle.
- the loading crane 1 is controlled by a control and regulating unit 15.
- the loading crane 1 is supported by means of laterally extendable supporting devices, comprising the components 11 to 14.
- FIGS. 2a and 2b is shown by way of example, as in accordance with well-known in the art, the power transmission during pushing and pulling the boom extension 5 relative to the boom 4 between the piston-cylinder unit 6 and the boom extension 5 is carried out, wherein it FIG. 2a to a schematically illustrated side and in the FIG. 2b is a schematically illustrated cross-sectional view of a relevant to the understanding section of the loading crane from the region of the rod head 20 of the piston rod 19 of the piston-cylinder unit 6 is.
- the power transmission is realized in that centered to the center plane M of the piston-cylinder unit 6, a bolt 23 is anchored in the rod head 20, wherein the two ends of the bolt 23 protrude from both sides of the rod head 20 (please refer FIG. 2b ) and thus provide two areas 8 for power transmission.
- the two ends of the bolt 23 are in vertical slots, which are located in two Anlenklaschen 22, mounted, wherein the Anlenklaschen 22 are connected via a fastening device 21 with the boom extension 5.
- FIG. 3a schematically for the above-described example of the prior art, in which the force transmission between the piston-cylinder unit and the boom extension via centrally arranged to the center plane of the piston-cylinder unit force introduction areas, the bending moment or voltage curve in the piston rod is shown ,
- the subfigure (1) shows the bending moment or stress curve resulting from the (pure) environmental deformation f.
- a disadvantage of the power transmission between the piston-cylinder unit and the boom extension according to the prior art is that if you want to size the loading crane for a larger load, this only (with the same design principle) on a gain of the piston-cylinder unit , in particular an increase in the material thickness, is possible to the basis of the FIG. 3a To limit the example described deformations of the piston-cylinder unit. This is subsequently associated with higher costs and a higher weight.
- the present invention has therefore taken on the task of avoiding the disadvantages described above and to provide a comparison with the prior art improved construction of the generic crane described above.
- the at least one piston-cylinder unit engages with its second end via at least two force application areas on the at least one boom extension and that one of these at least two force introduction areas in the Compression deformation and the other of these at least two force introduction regions in the opposite direction of the tensile deformation is arranged offset to the median plane.
- a basic idea of the invention is that at least some of the force introduction regions, via which the at least one piston-cylinder unit engages with its second end on the at least one boom extension, offset from the center plane of the piston-cylinder unit are.
- FIG. 3b Schematically represented here, as well as in the above-described FIG. 3a , The Biegemomenten- or voltage curve in the piston rod, wherein in the sub-figure (1) of the FIG. 3b in turn, the bending moment or voltage curve resulting from the (pure) environmental deformation f is to be seen, in the subfigure (2) the bending moment or voltage profile which results from an eccentrically introduced Ausschiebekraft F A , wherein the reference character e, the eccentricity of the Force introduction is called, and in the sub-figure (3), the overall course of the results by superimposing in the sub-figures (1) and (2) shares. If you compare the two subfigures (3) of the FIGS.
- FIGS. 4a . 4b and 4c shows a first embodiment of the invention is shown, wherein in each case only relevant to the understanding of the invention area of a loading crane is to be seen.
- the piston-cylinder unit 6 engages with its first end, in this case it is the end comprising the cylinder 18, via a first force introduction region 7 on the boom 4 and with its second end, which is in In this case, the rod end 20 of the piston rod 19, four more force application areas 8 on the extension boom 5 at.
- the two Anlenklaschen 22 are mounted in two symmetrical on both sides of the rod head 20 recesses 29 positively with play. That is, the recesses 29 are formed slightly larger than the Anlenklaschen 22.
- FIGS. 5a . 5b, 5c and 5d a second preferred embodiment of the invention is shown, wherein in the FIGS. 5a . 5b and 5c the same representations as in the FIGS. 4a . 4b and 4c were chosen.
- Only the type of attachment of the Anlenklaschen 22 on the rod head 20 is another in this embodiment.
- the emigration of the Anlenklaschen 22 is upward at the first Embodiment avoided by a screwed to the rod head 20 bolt.
- this effect is achieved in comparison by means of a screwing the Anschlaschen 22 on the rod head 20.
- This gland is particularly in the FIG. 5d
- the reference numeral 28 designates a screw
- the reference numeral 32 two Unterlegeterion and the reference numeral 30 is a nut having an internal thread corresponding to the screw 28.
- FIGS. 6a and 6b a third preferred embodiment of the invention is shown, wherein in each case a relevant for the understanding of this embodiment section of a crane can be seen.
- the force introduction regions 8, via which the piston-cylinder unit 6 acts on the boom extension 5, realized by two cylindrical bolt devices 35 and 35 ', which are mounted positively in bores in the rod head 20 of the piston-cylinder unit 6 ,
- the two on both sides of the rod head 20 arranged intermediate devices 36 are in turn in recesses 34 which are located in two Anlenklaschen 22, stored, wherein the recesses 34 (in the Fig. 6b seen) are widened up and down so that the intermediate devices 36 are vertically displaceable relative to the Anlenklaschen.
- the two Anlenklaschen 22 are in turn (as well as in the other two embodiments) connected via a fastening device 21 with the boom extension 5.
- the bolt device 33 is arranged at a distance A below offset from the median plane M and unfolded a relief effect in the zugbe retailten state.
- the second bolt device 33 ' is arranged at a distance A' offset above the center plane M and unfolded a relief effect in the pressurized state.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Actuator (AREA)
Description
Die Erfindung betrifft einen Kran, insbesondere einen Ladekran für ein Fahrzeug, umfassend
- eine um eine vertikale Achse drehbar gelagerte Kransäule,
- wenigstens einen mit der Kransäule verbundenen und um eine horizontale Achse schwenkbar gelagerten Ausleger und wenigstens einer verschiebbar im Ausleger gelagerten Auslegerverlängerung sowie
- zumindest einer Kolben-Zylinder-Einheit zum Ausschieben und Einziehen der Auslegerverlängerung relativ zum Ausleger, wobei die zumindest eine Kolben-Zylinder-Einheit mit ihrem ersten Ende über wenigstens einen ersten Krafteinleitungsbereich am Ausleger und mit ihrem zweiten Ende über wenigstens einen zweiten Krafteinleitungsbereich an der wenigstens einen Auslegerverlängerung angreift, wobei die zumindest eine Kolben-Zylinder-Einheit eine in eine Blickrichtung parallel zur horizontalen Achse, um welche der Ausleger schwenkbar gelagert ist, verlaufende Mittelebene aufweist, und wobei die zumindest eine Kolben-Zylinder-Einheit in einem druckbeanspruchten Zustand beim Ausschieben eine Druckverformung in eine Richtung senkrecht zur Mittelebene und in einem zugbeanspruchten Zustand beim Einziehen eine Zugverformung in eine der Druckverformung entgegengesetzte Richtung aufweist.
- a crane column rotatably mounted about a vertical axis,
- at least one associated with the crane column and pivotally mounted about a horizontal axis cantilever and at least one displaceably mounted in the boom boom extension and
- at least one piston-cylinder unit for pushing out and retracting the boom extension relative to the boom, wherein the at least one piston-cylinder unit with its first end via at least a first force introduction region on the boom and with its second end via at least one second force introduction region on the at least engages a boom extension, wherein the at least one piston-cylinder unit has a in a line of sight parallel to the horizontal axis about which the boom is pivotally mounted, extending center plane, and wherein the at least one piston-cylinder unit in a pressurized state when pushed out a compressive deformation in a direction perpendicular to the median plane and in a tensile state when drawn has a tensile deformation in a direction opposite to the compression deformation.
In der
In den
Es ist allgemein bekannt, dass die Kolben-Zylinder-Einheit, insbesondere im ausgefahrenen Zustand und unter maximaler Belastung, Verformungen ausgesetzt ist. In der
Als den allgemeinen Stand der Technik definierende Patentschriften sind die
Nachteilig bei der Kraftübertragung zwischen der Kolben-Zylinder-Einheit und der Auslegerverlängerung gemäß dem Stand der Technik ist, dass, wenn man den Ladekran für eine größere Last dimensionieren möchte, dies nur (bei gleichbleibendem Konstruktionsprinzip) über eine Verstärkung der Kolben-Zylinder-Einheit, insbesondere eine Erhöhung der Materialstärke, möglich ist, um die anhand der
Die vorliegende Erfindung hat es sich daher zur Aufgabe gemacht, die vorbeschriebenen Nachteile zu vermeiden und eine gegenüber dem Stand der Technik verbesserte Bauweise des eingangs beschriebenen, gattungsgemäßen Krans bereitzustellen.The present invention has therefore taken on the task of avoiding the disadvantages described above and to provide a comparison with the prior art improved construction of the generic crane described above.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die zumindest eine Kolben-Zylinder-Einheit mit ihrem zweiten Ende über wenigstens zwei Krafteinleitungsbereiche an der wenigstens einen Auslegerverlängerung angreift und dass einer dieser wenigstens zwei Krafteinleitungsbereiche in die der Druckverformung und der andere dieser wenigstens zwei Krafteinleitungsbereiche in die der Zugverformung entgegengesetzten Richtung versetzt zur Mittelebene angeordnet ist.This object is achieved in that the at least one piston-cylinder unit engages with its second end via at least two force application areas on the at least one boom extension and that one of these at least two force introduction areas in the Compression deformation and the other of these at least two force introduction regions in the opposite direction of the tensile deformation is arranged offset to the median plane.
Einzelheiten und vorteilhafte Ausführungsformen der Erfindung, die in den abhängigen Ansprüchen definiert sind, werden im Rahmen der folgenden Figurenbeschreibung anhand der Figuren, die noch nicht in der Beschreibungseinleitung beschrieben wurden, näher erläutert. Dabei zeigt:
- Fig.1
- schematisch einen Kran in einer perspektivischen Gesamtansicht,
- Fig. 2a und 2b
- Teile einer Kolben-Zylinder-Einheit und einer Auslegerverlängerung gemäß dem Stand der Technik,
- Fig. 3a
- schematisch den Biegemomenten- bzw. Spannungsverlauf in der Kolbenstange gemäß dem Stand der Technik,
- Fig. 3b
- schematisch den Biegemomenten- bzw. Spannungsverlauf in einer Kolbenstange bei einem versetzt zur Mittelebene angeordneten Krafteinleitungsbereich,
- Fig. 4a und 4b
- in einer schematisch dargestellten perspektivischen Ansicht (
Fig. 4a ) und in einer schematisch dargestellten Seitenansicht (Fig. 4b ) einen für das Verständnis eines ersten Ausführungsbeispiels der Erfindung relevanten Ausschnitt eines Krans, - Fig. 4c
- eine schematisch dargestellte Ansicht von oben auf zwei Teilbereiche des Stangenkopfes beim ersten Ausführungsbeispiel,
- Fig. 5a und 5b
- in einer schematisch dargestellten perspektivischen Ansicht (
Fig. 5a ) und in einer schematisch dargestellten Seitenansicht (Fig. 5b ) einen für das Verständnis eines zweiten Ausführungsbeispiels der Erfindung relevanten Ausschnitt eines Krans, - Fig. 5c
- eine schematisch dargestellte Ansicht von oben auf zwei Teilbereiche des Stangenkopfes beim zweiten Ausführungsbeispiel,
- Fig. 5d
- einen schematisch dargestellten Querschnitt des Stangenkopfes beim zweiten Ausführungsbeispiel, und
- Fig. 6a und 6b
- in einer schematisch dargestellten perspektivischen Ansicht (
Fig. 6a ) und in einer schematisch dargestellten Seitenansicht (Fig. 6b ) für das Verständnis eines dritten Ausführungsbeispiels der Erfindung relevante Ausschnitte eines Krans.
- Fig.1
- schematically a crane in a perspective overall view,
- Fig. 2a and 2b
- Parts of a piston-cylinder unit and a boom extension according to the prior art,
- Fig. 3a
- 2 schematically shows the bending moment or voltage curve in the piston rod according to the prior art,
- Fig. 3b
- 2 schematically shows the bending moment or stress curve in a piston rod at a force introduction region arranged offset to the center plane,
- Fig. 4a and 4b
- in a schematically illustrated perspective view (
Fig. 4a ) and in a schematically represented side view (Fig. 4b ) a relevant to the understanding of a first embodiment of the invention section of a crane, - Fig. 4c
- a schematic top view of two portions of the rod head in the first embodiment,
- Fig. 5a and 5b
- in a schematically illustrated perspective view (
Fig. 5a ) and in a schematically represented side view (Fig. 5b ) a relevant for the understanding of a second embodiment of the invention section of a crane, - Fig. 5c
- a schematic top view of two portions of the rod head in the second embodiment,
- Fig. 5d
- a schematically illustrated cross section of the rod head in the second embodiment, and
- Fig. 6a and 6b
- in a schematically illustrated perspective view (
Fig. 6a ) and in a schematically represented side view (Fig. 6b ) for the understanding of a third embodiment of the invention relevant excerpts of a crane.
Wie bereits weiter oben ausgeführt, besteht eine Grundidee der Erfindung darin, dass zumindest einige der Krafteinleitungsbereiche, über welche die zumindest eine Kolben-Zylinder-Einheit mit ihrem zweiten Ende an der wenigstens einen Auslegerverlängerung angreift, versetzt zur Mittelebene der Kolben-Zylinder-Einheit angeordnet sind. Durch eine solche exzentrische Krafteinleitung in Bezug auf die Mittelebene der Kolben-Zylinder-Einheit kann die Kraft zum Ausschieben und Einziehen der Auslegerverlängerung im verformten Zustand deutlich gegenüber einer zentrischen Krafteinleitung in Bezug auf die Mittelebene erhöht werden, ohne dass hierzu die Kolben-Zylinder-Einheit verstärkt werden muss.As already stated above, a basic idea of the invention is that at least some of the force introduction regions, via which the at least one piston-cylinder unit engages with its second end on the at least one boom extension, offset from the center plane of the piston-cylinder unit are. By such an eccentric introduction of force with respect to the center plane of the piston-cylinder unit, the force for pushing and pulling the boom extension in the deformed state can be significantly increased with respect to a central force transmission with respect to the center plane without the piston-cylinder unit must be strengthened.
Dieser Effekt ist aus der
In den
Es sei noch darauf hingewiesen, dass es sich bei der
In den
In den
Claims (12)
- A crane (1), in particular a loading crane for a vehicle, comprising- a crane pillar (3) mounted rotatably about a vertical axis (V),- at least one jib (4) connected to the crane pillar (3) and mounted pivotably about a horizontal axis (H) and at least one jib extension (5) mounted displaceably in the jib (4), and- at least one piston-cylinder unit (6) for extending and retracting the jib extension (5) relative to the jib (4), wherein the at least one piston-cylinder unit (6) with its first end engages the jib (4) by way of at least one first force-application region (7) and with its second end engages the at least one jib extension (5) by way of at least one second force-application region (8), wherein the at least one piston-cylinder unit (6) has a central plane (M) which extends in a viewing direction parallel to the horizontal axis (H) about which the jib (4) is pivotably mounted, and wherein the at least one piston-cylinder unit (6) in a compressive-loaded condition upon extension has a compressive deformation (D) in a direction perpendicularly to the central plane (M) and in a tensile-loaded condition upon retraction has a tensile deformation (Z) in a direction opposite to the compressive deformation (D),
characterised in that the at least one piston-cylinder unit (6) with its second end engages the at least one jib extension (5) by way of at least two force-application regions (8) and one of said at least two force-application regions (8) is arranged in displaced relationship with the central plane (M) in the direction opposite to the compressive deformation (D) and the other of said at least two force-application regions (8) is arranged in displaced relationship with the central plane (M) in the direction opposite to the tensile deformation (Z). - A crane (1) as set forth in claim 1 wherein the at least one piston-cylinder unit (6) with its second end engages the at least one jib extension (5) by way of at least four force-application regions (8), characterised in that two of the at least four force-application regions (8) are arranged in displaced relationship with the central plane (M) in the direction opposite to the compressive deformation (D) and two of the at least four force-application regions (8) are arranged in displaced relationship with the central plane (M) in the direction opposite to the tensile deformation (Z).
- A crane (1) as set forth in claim 2 characterised in that the at least four force-application regions (8) are arranged preferably symmetrically on both sides of the at least one piston-cylinder unit (6).
- A crane (1) as set forth in one of claims 1 through 3 characterised in that at least one of the force-application regions (8), by way of which the at least one piston-cylinder unit (6) with its second end engages the at least one jib extension is embodied by at least one insert segment (26, 26').
- A crane (1) as set forth in claim 4 characterised in that the insert segment (26, 26') is mounted at least region-wise in positively locking relationship in a bore (30) of the at least one piston-cylinder unit (6).
- A crane (1) as set forth in claim 5 characterised in that the at least one insert segment (26, 26') is mounted in the bore (30) rotatably about an axis of rotation (R) extending parallel to the horizontal axis (H) about which the jib (4) is pivotably mounted.
- A crane (1) as set forth in one of claims 4 through 6 characterised in that the at least one insert segment (26, 26') has at least one straight surface (31).
- A crane (1) as set forth in claim 7 characterised in that the at least one insert segment (26, 26') bears with the at least one straight surface (31) against at least one pivot mounting bar (22), wherein the at least one pivot mounting bar (22) is connected to the at least one jib extension (5) by way of a fixing device (21).
- A crane (1) as set forth in claim 8 characterised in that the at least one pivot mounting bar (22) is mounted in an opening (29) of the at least one piston-cylinder unit (6), preferably in positively locking relationship with play.
- A crane (1) as set forth in one of claims 1 through 3 characterised in that at least one of the force-application regions (8), by way of which the at least one piston-cylinder unit (6) with its second end engages the at least one jib extension, is embodied by at least one bolt device (35, 35').
- A crane (1) as set forth in claim 10 characterised in that the at least one bolt device (35, 35') is mounted at least region-wise in positively locking relationship in a bore of the at least one piston-cylinder unit (6).
- A crane (1) as set forth in claim 10 or claims 11 characterised in that the at least one bolt device (35, 35') is connected preferably by way of an intermediate device (36) to at least one pivot mounting bar (22), wherein the at least one pivot mounting bar (22) is connected to the at least one jib extension (5) by way of a fixing device (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12772187T PL2776361T3 (en) | 2011-11-08 | 2012-09-14 | Crane, in particular loading crane for a vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATGM607/2011U AT12942U1 (en) | 2011-11-08 | 2011-11-08 | CRANE, ESPECIALLY LOADING CRANE FOR A VEHICLE |
PCT/AT2012/000238 WO2013067552A1 (en) | 2011-11-08 | 2012-09-14 | Crane, in particular loading crane for a vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2776361A1 EP2776361A1 (en) | 2014-09-17 |
EP2776361B1 true EP2776361B1 (en) | 2015-03-18 |
Family
ID=47681310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP12772187.6A Active EP2776361B1 (en) | 2011-11-08 | 2012-09-14 | Crane, in particular loading crane for a vehicle |
Country Status (11)
Country | Link |
---|---|
US (1) | US9701521B2 (en) |
EP (1) | EP2776361B1 (en) |
CN (1) | CN104010961B (en) |
AT (1) | AT12942U1 (en) |
AU (1) | AU2012334813B2 (en) |
BR (1) | BR112014011001A2 (en) |
DK (1) | DK2776361T3 (en) |
ES (1) | ES2539471T3 (en) |
PL (1) | PL2776361T3 (en) |
RU (1) | RU2566172C1 (en) |
WO (1) | WO2013067552A1 (en) |
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Publication number | Priority date | Publication date | Assignee | Title |
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-
2011
- 2011-11-08 AT ATGM607/2011U patent/AT12942U1/en not_active IP Right Cessation
-
2012
- 2012-09-14 RU RU2014123006/11A patent/RU2566172C1/en active
- 2012-09-14 AU AU2012334813A patent/AU2012334813B2/en not_active Ceased
- 2012-09-14 BR BR112014011001A patent/BR112014011001A2/en not_active Application Discontinuation
- 2012-09-14 DK DK12772187.6T patent/DK2776361T3/en active
- 2012-09-14 PL PL12772187T patent/PL2776361T3/en unknown
- 2012-09-14 CN CN201280062785.4A patent/CN104010961B/en active Active
- 2012-09-14 WO PCT/AT2012/000238 patent/WO2013067552A1/en active Application Filing
- 2012-09-14 ES ES12772187.6T patent/ES2539471T3/en active Active
- 2012-09-14 EP EP12772187.6A patent/EP2776361B1/en active Active
-
2014
- 2014-05-02 US US14/268,287 patent/US9701521B2/en active Active
Also Published As
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EP2776361A1 (en) | 2014-09-17 |
CN104010961A (en) | 2014-08-27 |
ES2539471T3 (en) | 2015-07-01 |
WO2013067552A1 (en) | 2013-05-16 |
CN104010961B (en) | 2015-11-25 |
US20140263145A1 (en) | 2014-09-18 |
AT12942U1 (en) | 2013-02-15 |
DK2776361T3 (en) | 2015-06-15 |
US9701521B2 (en) | 2017-07-11 |
AU2012334813A1 (en) | 2014-05-22 |
PL2776361T3 (en) | 2015-08-31 |
BR112014011001A2 (en) | 2017-06-06 |
RU2566172C1 (en) | 2015-10-20 |
AU2012334813B2 (en) | 2015-06-18 |
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