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EP2631209A1 - Crane - Google Patents

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Publication number
EP2631209A1
EP2631209A1 EP12001151.5A EP12001151A EP2631209A1 EP 2631209 A1 EP2631209 A1 EP 2631209A1 EP 12001151 A EP12001151 A EP 12001151A EP 2631209 A1 EP2631209 A1 EP 2631209A1
Authority
EP
European Patent Office
Prior art keywords
boom
hydraulic
crane
hydraulic lines
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12001151.5A
Other languages
German (de)
French (fr)
Other versions
EP2631209B1 (en
Inventor
Johannes Steindl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Epsilon Kran GmbH
Original Assignee
Epsilon Kran GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP12001151.5A priority Critical patent/EP2631209B1/en
Application filed by Epsilon Kran GmbH filed Critical Epsilon Kran GmbH
Priority to PL12001151T priority patent/PL2631209T3/en
Priority to RU2013107612A priority patent/RU2621134C2/en
Priority to BR102013003999-3A priority patent/BR102013003999B1/en
Priority to CA2806697A priority patent/CA2806697C/en
Priority to US13/771,566 priority patent/US20130216343A1/en
Priority to CN201310055118.XA priority patent/CN103253601B/en
Publication of EP2631209A1 publication Critical patent/EP2631209A1/en
Application granted granted Critical
Publication of EP2631209B1 publication Critical patent/EP2631209B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14—Grabs opened or closed by driving motors thereon
    • B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • 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
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • B66C13/14—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices to load-engaging elements or motors associated therewith
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts

Definitions

  • the invention relates to a crane with at least one telescoping crane arm, which has a boom and a boom extension, a mounted on the boom extension pivot, which has two spaced pivot bearing, a working device is attached to the telescopic crane arm and hydraulic lines from the boom between the spaced pivot bearings lead the swivel joint to the implement, wherein in the region of that end of the boom extension, on which the swivel joint is arranged, a guide for the hydraulic lines is provided, which leads the hydraulic lines from the boom extension to the area between the spaced pivot bearings of the swivel joint,
  • the invention relates to a vehicle - in particular a harvester - with a crane with at least one telescopic crane arm according to at least one of the described embodiments.
  • Such cranes with at least one telescopic crane arm are already known. So shows about the EP 1 448 471 B1 Such a crane, in which run on the top of the boom and on the top of the boom extension, the hydraulic lines and are guided in a guide at the boom extension.
  • the object of the invention is to lead a comparison with the prior art improved crane with at least one telescopic crane arm.
  • the guide and the fastening elements for the hydraulic hoses are arranged on a lower side of the boom extension and on a lower side of the jib. This design on the underside of the boom extension and on the underside of the boom, the hydraulic hoses can be better protected against environmental influences.
  • Protection is also desired for a vehicle, in particular a timber harvester, with a crane having at least one telescopic crane arm according to at least one of the described embodiments.
  • FIG. 1 shows a telescopic crane 1 according to the prior art.
  • This crane 1 has the telescopic crane arm 2, which has a boom 3 and a boom extension 4.
  • a hinge 5 is arranged, on which a working device 20 is attached.
  • the hydraulic lines 6, which are formed as hydraulic hoses 9, extend from the boom 3 via an attachment point on the boom extension 4 to the working device 20.
  • these hydraulic lines 6, which are designed as hydraulic hoses 9, thus run completely unprotected and hang freely. What can lead to damage of the hydraulic hoses 9 especially when maneuvering the crane arm 2 and the implement 20 in the forest.
  • FIG. 2 shows a crane 1 in side view.
  • the crane 1 in this case has a telescopic crane arm 2, which has a boom 3 and a boom extension 4, wherein via a arranged on the boom extension 4 swivel joint 5, which has two spaced pivot bearing, a not shown here work attachment to the telescopic crane arm 2 are attached can and hydraulic lines 6 lead from the boom 3 between the spaced pivot bearings of the rotary joint 5 to the implement, wherein in the region of the end 41 of the boom extension 4, on which the rotary joint 5 is arranged, a guide 7 is provided for the hydraulic lines 6, which the hydraulic lines. 6 from the boom extension 4 to the area 51 between the spaced pivot bearings of the rotary joint 5 leads.
  • 7 fastening elements 8 are arranged for the hydraulic lines 6, at which the hydraulic lines 6 extend in the form of hydraulic hoses 9 at Hä réellefemen end 31 of the boom 3 and the working device end of the guide 71.
  • the shaft 72 could of course also be open.
  • the guide 7 for the hydraulic lines 6 is not formed as a shaft 72, but that this guide 7 has approximately two webs, which can lead the hydraulic hoses 9.
  • the guide 7 for the hydraulic lines 6 has one or more brackets, in which the hydraulic hoses 9 can run.
  • the fastening elements 8 are designed as screw connections. It is also conceivable, of course, that these fasteners 8 are formed as a bracket and the hydraulic hoses 9 run freely in these and are held by these brackets.
  • the guide 7 and the fasteners 8 are arranged for the hydraulic lines 9 on the underside 42 of the boom extension 4 and on the underside 32 of the boom 3, which is particularly in an embodiment of the crane 1 on a vehicle - such as a wood harvester (also called a harvester) - is advantageous because they are better protected below the crane arm 2.
  • the boom extension 4 is fully extended, as shown in the FIG. 3 is shown, the hydraulic hoses 9 extend and run essentially parallel to the boom 3 and substantially parallel to the boom extension 4.
  • FIG. 4 shows a partial sectional view of the course of the hydraulic lines 9 in the guide 7 to the rotary joint 5, wherein the hydraulic hoses 9 in the pivot joint fifth between the two spaced rotary bearings 10 (only one pivot bearing 10 shown) extends.
  • the hydraulic hoses 9 are completely protected from the fastening element 8-that is to say at the working device-end 71 of the guide 7 -to the working device 20.
  • the connection 11 of the hydraulic hoses 9 takes place vertically from above, whereby the connection 11 is also protected above the working device 20.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The crane (1) has a guide unit (7) for hydraulic lines (6) that is provided at an end of a boom extension (4) of a crane jib (2) at which a rotary joint (5) is arranged, so as to guide hydraulic lines from boom extension to a region between spaced rotary bearings (10) of rotary joint. The fixing elements (8) for hydraulic lines are arranged at an end of a boom (3) of crane jib remote from a working implement (20) and at an end (71) of guide unit remote from working implement. The hydraulic lines are extended between fixing elements in the form of hydraulic hoses (9). An independent claim is included for a vehicle.

Description

Die Erfindung betrifft einen Kran mit wenigstens einem teleskopierbaren Kranarm, welcher einen Ausleger und eine Auslegerverlängerung aufweist, wobei über ein an der Auslegerverlängerung angeordnetes Drehgelenk, welches zwei voneinander beabstandete Drehlager aufweist, ein Arbeitsgerät am teleskopierbaren Kranarm befestigt ist und Hydraulikleitungen vom Ausleger zwischen den beabstandeten Drehlagern des Drehgelenks zum Arbeitsgerät führen, wobei im Bereich jenes Ende der Auslegerverlängerung, an welchem das Drehgelenk angeordnet ist, eine Führung für die Hydraulikleitungen vorgesehen ist, welche die Hydraulikleitungen von der Auslegerverlängerung zum Bereich zwischen den beabstandeten Drehlagern des Drehgelenks führt,The invention relates to a crane with at least one telescoping crane arm, which has a boom and a boom extension, a mounted on the boom extension pivot, which has two spaced pivot bearing, a working device is attached to the telescopic crane arm and hydraulic lines from the boom between the spaced pivot bearings lead the swivel joint to the implement, wherein in the region of that end of the boom extension, on which the swivel joint is arranged, a guide for the hydraulic lines is provided, which leads the hydraulic lines from the boom extension to the area between the spaced pivot bearings of the swivel joint,

Weiters betrifft die Erfindung ein Fahrzeug - insbesondere einen Holzvollernter - mit einem Kran mit wenigstens einem teleskopierbaren Kranarm nach wenigstens einer der beschriebenen Ausführungsformen.Furthermore, the invention relates to a vehicle - in particular a harvester - with a crane with at least one telescopic crane arm according to at least one of the described embodiments.

Derartige Kräne mit wenigstens einem teleskopierbaren Kranarm sind bereits bekannt. So zeigt etwa die EP 1 448 471 B1 einen solchen Kran, bei dem auf der Oberseite des Auslegers und auf der Oberseite der Auslegerverlängerung die Hydraulikleitungen verlaufen und in einer Führung bei der Auslegerverlängerung geführt werden.Such cranes with at least one telescopic crane arm are already known. So shows about the EP 1 448 471 B1 Such a crane, in which run on the top of the boom and on the top of the boom extension, the hydraulic lines and are guided in a guide at the boom extension.

Aufgabe der Erfindung ist es, einen gegenüber dem Stand der Technik verbesserten Kran mit wenigstens einem teleskopierbaren Kranarm anzuführen.The object of the invention is to lead a comparison with the prior art improved crane with at least one telescopic crane arm.

Diese Aufgabe wird mit den Merkmalen des Anspruches 1 gelöst.This object is achieved with the features of claim 1.

Dadurch, dass am arbeitsgerätfernen Ende des Auslegers und am arbeitsgerätfemen Ende der Führung Befestigungselemente für die Hydraulikleitungen angeordnet sind, zwischen denen die Hydraulikleitungen in Form von Hydraulikschläuchen verlaufen, können sich die Hydraulikschläuche bei voll ausgefahrener Auslegerverlängerung nahe an den Ausleger und die Auslegerverlängerung annähern, wodurch der teleskopierbare Kranarm relativ klein baut, da die Hydraulikleitungen nicht mehr weit vom Ausleger bzw. der Auslegerverlängerung abstehen.The fact that at the far end of the boom and working equipment end of the guide fastening elements are arranged for the hydraulic lines between which the hydraulic lines in the form of hydraulic hoses, the hydraulic hoses can approach fully extended boom extension close to the boom and the boom extension, whereby the telescoping Crane arm relatively small builds, as the hydraulic lines no longer protrude far from the boom or the boom extension.

Beim Stand der Technik hingegen stehen die Hydraulikleitungen auch bei voll ausgefahrener Auslegerverlängerung weit vom teleskopierbaren Kranarm ab, da die Hydraulikschläuche sowohl im eingefahrenen als auch im ausgefahrenen Zustand der Auslegerverlängerung ein vom Kranarm abstehenden U-förmigen Verlauf nehmen.In the prior art, however, the hydraulic lines are far from the telescoping crane arm even with fully extended boom extension, since the hydraulic hoses take a protruding from the crane arm U-shaped course both in retracted and in the extended state of the boom extension.

Weitere vorteilhafte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen definiert.Further advantageous embodiments of the invention are defined in the dependent claims.

Dabei ist besonders bevorzugt vorgesehen, dass die Führung und die Befestigungselemente für die Hydraulikschläuche an einer Unterseite der Auslegerverlängerung und an einer Unterseite des Auslegers angeordnet sind. Durch diese Ausbildung an der Unterseite der Auslegerverlängerung und an der Unterseite des Auslegers können die Hydraulikschläuche besser vor Umwelteinflüssen geschützt werden.It is particularly preferably provided that the guide and the fastening elements for the hydraulic hoses are arranged on a lower side of the boom extension and on a lower side of the jib. This design on the underside of the boom extension and on the underside of the boom, the hydraulic hoses can be better protected against environmental influences.

Schutz wird auch begehrt für ein Fahrzeug, insbesondere einen Holzvollernter, mit einem Kran mit wenigstens einem teleskopierbaren Kranarm nach wenigstens einer der beschriebenen Ausführungsformen.Protection is also desired for a vehicle, in particular a timber harvester, with a crane having at least one telescopic crane arm according to at least one of the described embodiments.

Weitere Einzelheiten und Vorteile der vorliegenden Erfindung werden anhand der Figurenbeschreibung unter Bezugnahme auf die in den Zeichnungen dargestellten Ausführungsbeispiele im Folgenden näher erläutert.Further details and advantages of the present invention will be explained in more detail below with reference to the description of the figures with reference to the exemplary embodiments illustrated in the drawings.

Darin zeigen:

Fig. 1
eine Seitenansicht eines Kranes mit einem teleskopierbaren Kranarm nach dem Stand der Technik,
Fig. 2
eine Seitenansicht eines Kranes mit einem teleskopierbaren Kranarm in eingefahrenem Zustand,
Fig. 3
eine Seitenansicht eines Kranes mit einem teleskopierbaren Kranarm in voll ausgefahrenem Zustand,
Fig. 4
eine teilweise Schnittdarstellung einer Seitenansicht eines Kranes mit einem teleskopierbaren Kranarm.
Show:
Fig. 1
a side view of a crane with a telescopic crane arm according to the prior art,
Fig. 2
a side view of a crane with a telescopic crane arm in the retracted state,
Fig. 3
a side view of a crane with a telescopic crane arm in fully extended condition,
Fig. 4
a partial sectional view of a side view of a crane with a telescopic crane arm.

Figur 1 zeigt einen teleskopierbaren Kran 1 nach dem Stand der Technik. Dieser Kran 1 weist den teleskopierbaren Kranarm 2 auf, welcher einen Ausleger 3 und eine Auslegerverlängerung 4 aufweist. An der Auslegervedängerung 4 ist ein Drehgelenk 5 angeordnet, an dem ein Arbeitsgerät 20 befestigt ist. FIG. 1 shows a telescopic crane 1 according to the prior art. This crane 1 has the telescopic crane arm 2, which has a boom 3 and a boom extension 4. On the boom support 4, a hinge 5 is arranged, on which a working device 20 is attached.

Die Hydraulikleitungen 6, welche als Hydraulikschläuche 9 ausgebildet sind, verlaufen vom Ausleger 3 über eine Befestigungsstelle an der Auslegerverlängerung 4 zum Arbeitsgerät 20. Beim Stand der Technik verlaufen somit diese Hydraulikleitungen 6, welche als Hydraulikschläuche 9 ausgebildet sind, vollkommen ungeschützt und hängen frei herunter, was speziell beim Manövrieren des Kranarmes 2 und des Arbeitsgeräts 20 im Wald zu Beschädigungen der Hydraulikschläuche 9 führen kann.The hydraulic lines 6, which are formed as hydraulic hoses 9, extend from the boom 3 via an attachment point on the boom extension 4 to the working device 20. In the prior art, these hydraulic lines 6, which are designed as hydraulic hoses 9, thus run completely unprotected and hang freely. What can lead to damage of the hydraulic hoses 9 especially when maneuvering the crane arm 2 and the implement 20 in the forest.

Figur 2 zeigt einen Kran 1 in Seitenansicht. Der Kran 1 weist dabei einen teleskopierbaren Kranarm 2 auf, welcher einen Ausleger 3 und eine Auslegerverlängerung 4 aufweist, wobei über ein an der Auslegerverlängerung 4 angeordnetes Drehgelenk 5, welches zwei voneinander beabstandete Drehlager aufweist, ein hier nicht dargestelltes Arbeitsgerät am teleskopierbaren Kranarm 2 befestigt werden kann und Hydraulikleitungen 6 vom Ausleger 3 zwischen den beabstandeten Drehlagern des Drehgelenks 5 zum Arbeitsgerät führen, wobei im Bereich des Endes 41 der Auslegerverlängerung 4, an welchem das Drehgelenk 5 angeordnet ist, eine Führung 7 für die Hydraulikleitungen 6 vorgesehen ist, welche die Hydraulikleitungen 6 von der Auslegerverlängerung 4 zum Bereich 51 zwischen den beabstandeten Drehlagern des Drehgelenks 5 führt. Dabei sind am arbeitsgerätfemen Ende 31 des Auslegers 3 und am arbeitsgerätfemen Ende 71 der Führung 7 Befestigungselemente 8 für die Hydraulikleitungen 6 angeordnet, zwischen denen die Hydraulikleitungen 6 in Form von Hydraulikschläuchen 9 verlaufen. FIG. 2 shows a crane 1 in side view. The crane 1 in this case has a telescopic crane arm 2, which has a boom 3 and a boom extension 4, wherein via a arranged on the boom extension 4 swivel joint 5, which has two spaced pivot bearing, a not shown here work attachment to the telescopic crane arm 2 are attached can and hydraulic lines 6 lead from the boom 3 between the spaced pivot bearings of the rotary joint 5 to the implement, wherein in the region of the end 41 of the boom extension 4, on which the rotary joint 5 is arranged, a guide 7 is provided for the hydraulic lines 6, which the hydraulic lines. 6 from the boom extension 4 to the area 51 between the spaced pivot bearings of the rotary joint 5 leads. In this case 7 fastening elements 8 are arranged for the hydraulic lines 6, at which the hydraulic lines 6 extend in the form of hydraulic hoses 9 at Arbeitsgerätfemen end 31 of the boom 3 and the working device end of the guide 71.

In diesem bevorzugten Ausführungsbeispiel weist die Führung 7 für die Hydraulikleitungen 6 einen geschlossenen Schacht 72 auf, in dem die Hydraulikschläuche 9 verlaufen können. Ebenso könnte der Schacht 72 natürlich auch offen ausgebildet sein.In this preferred embodiment, the guide 7 for the hydraulic lines 6 on a closed shaft 72, in which the hydraulic hoses 9 can run. Likewise, the shaft 72 could of course also be open.

Es ist natürlich auch vorstellbar, dass die Führung 7 für die Hydraulikleitungen 6 nicht als Schacht 72 ausgebildet ist, sondern dass diese Führung 7 etwa zwei Stege aufweist, die die Hydraulikschläuche 9 führen können.Of course, it is also conceivable that the guide 7 for the hydraulic lines 6 is not formed as a shaft 72, but that this guide 7 has approximately two webs, which can lead the hydraulic hoses 9.

Ebenso ist es weiters vorstellbar, dass die Führung 7 für die Hydraulikleitungen 6 einen oder mehrere Bügel aufweist, in denen die Hydraulikschläuche 9 verlaufen können.Likewise, it is further conceivable that the guide 7 for the hydraulic lines 6 has one or more brackets, in which the hydraulic hoses 9 can run.

In diesem bevorzugten Ausführungsbeispiel sind die Befestigungselemente 8 als Verschraubungen ausgebildet. Ebenfalls ist natürlich vorstellbar, dass diese Befestigungselemente 8 als Bügel ausgebildet sind und die Hydraulikschläuche 9 in diesen frei verlaufen und von diesen Bügeln gehalten werden.In this preferred embodiment, the fastening elements 8 are designed as screw connections. It is also conceivable, of course, that these fasteners 8 are formed as a bracket and the hydraulic hoses 9 run freely in these and are held by these brackets.

Weiters ist in diesem bevorzugten Ausführungsbeispiel vorgesehen, dass die Führung 7 und die Befestigungselemente 8 für die Hydraulikleitungen 9 an der Unterseite 42 der Auslegerverlängerung 4 und an der Unterseite 32 des Auslegers 3 angeordnet sind, was speziell bei einer Ausbildung des Kranes 1 auf einem Fahrzeug - wie etwa einem Holzvollernter (auch Harvester genannt) - von Vorteil ist, da sie unterhalb des Kranarmes 2 besser geschützt sind.Furthermore, it is provided in this preferred embodiment that the guide 7 and the fasteners 8 are arranged for the hydraulic lines 9 on the underside 42 of the boom extension 4 and on the underside 32 of the boom 3, which is particularly in an embodiment of the crane 1 on a vehicle - such as a wood harvester (also called a harvester) - is advantageous because they are better protected below the crane arm 2.

Bei voll eingefahrener Auslegerverlängerung 4 - wie in dieser Figur 2 dargestellt - bilden die Hydraulikschläuche 9 unterhalb des Auslegers 3 eine Ausbuchtung 91 in Form einer offenen Schlaufe, die nach unten durchhängt.With fully retracted boom extension 4 - as in this FIG. 2 shown - form the hydraulic hoses 9 below the boom 3, a bulge 91 in the form of an open loop, which sags downwards.

Wird nun die Auslegerverlängerung 4 voll ausgefahren, wie dies in der Figur 3 dargestellt ist, so strecken sich die Hydraulikschläuche 9 und verlaufen im Wesentlichen parallel zum Ausleger 3 und im Wesentlichen parallel zur Auslegerverlängerung 4.
Dies führt zu einem sehr schmalen Kranarm 2 und dessen Hydraulikschläuchen 9, was speziell bei Einsätzen im Wald von Vorteil ist, da die Gefahr verringert werden kann, dass die Hydraulikschläuche 9 an Bäumen bzw. Ästen hängen bleiben können, wodurch sich eine Beschädigung der Hydraulikschläuche 9 ergeben könnte.Now, the boom extension 4 is fully extended, as shown in the FIG. 3 is shown, the hydraulic hoses 9 extend and run essentially parallel to the boom 3 and substantially parallel to the boom extension 4.
This leads to a very narrow crane arm 2 and its hydraulic hoses 9, which is especially advantageous for use in the forest, since the risk can be reduced that the hydraulic hoses 9 can get stuck on trees or branches, resulting in damage to the hydraulic hoses could result.

Figur 4 zeigt eine teilweise Schnittdarstellung des Verlaufs der Hydraulikleitungen 9 in der Führung 7 zum Drehgelenk 5, wobei die Hydraulikschläuche 9 im Drehgelenk 5 zwischen dessen beiden voneinander beabstandeten Drehlagern 10 (nur ein Drehlager 10 dargestellt) verläuft. FIG. 4 shows a partial sectional view of the course of the hydraulic lines 9 in the guide 7 to the rotary joint 5, wherein the hydraulic hoses 9 in the pivot joint fifth between the two spaced rotary bearings 10 (only one pivot bearing 10 shown) extends.

Dadurch sind die Hydraulikschläuche 9 vom Befestigungselement 8 an - also am arbeitsgerätfemen Ende 71 der Führung 7 - vollständig geschützt bis zum Arbeitsgerät 20. Der Anschluss 11 der Hydraulikschläuche 9 erfolgt dabei senkrecht von oben, wodurch auch der Anschluss 11 über dem Arbeitsgerät 20 geschützt ist.As a result, the hydraulic hoses 9 are completely protected from the fastening element 8-that is to say at the working device-end 71 of the guide 7 -to the working device 20. The connection 11 of the hydraulic hoses 9 takes place vertically from above, whereby the connection 11 is also protected above the working device 20.

Im Gegensatz dazu steht der Verlauf der Hydraulikleitungen 9 beim Stand der Technik (siehe Figur 1), wo sowohl der Verlauf der Hydraulikleitungen 9 als auch deren Anschluss am Arbeitsgerät 20 vollkommen ungeschützt ist.In contrast, the course of the hydraulic lines 9 in the prior art (see FIG. 1 ), where both the course of the hydraulic lines 9 and their connection to the implement 20 is completely unprotected.

Claims (9)

Kran (1) mit wenigstens einem teleskopierbaren Kranarm (2), welcher einen Ausleger (3) und eine Auslegerverlängerung (4) aufweist, wobei über ein an der Auslegerverlängerung (4) angeordnetes Drehgelenk (5), welches zwei voneinander beabstandete Drehlager (10) aufweist, ein Arbeitsgerät (20) am teleskopierbaren Kranarm (2) befestigt ist und Hydraulikleitungen (6) vom Ausleger (3) zwischen den beabstandeten Drehlagern (10) des Drehgelenks (5) zum Arbeitsgerät (20) führen, wobei im Bereich jenes Ende (41) der Ausiegerverlängerung (4), an welchem das Drehgelenk (5) angeordnet ist, eine Führung (7) für die Hydraulikleitungen (6) vorgesehen ist, welche die Hydraulikleitungen (6) von der Auslegerverlängerung (4) zum Bereich (51) zwischen den beabstandeten Drehlagern (10) des Drehgelenks (5) führt, dadurch gekennzeichnet, dass am arbeitsgerätfemen Ende (31) des Auslegers (3) und am arbeitsgerätfernen Ende (71) der Führung (7) Befestigungselemente (8) für die Hydraulikleitungen (6) angeordnet sind, zwischen denen die Hydraulikleitungen (6) in Form von Hydraulikschläuchen (9) verlaufen.Crane (1) with at least one telescopic crane arm (2), which has a boom (3) and a boom extension (4), wherein a pivot joint (5) arranged on the boom extension (4), which has two spaced pivot bearings (10). a working device (20) on the telescopic crane arm (2) is fixed and hydraulic lines (6) from the boom (3) between the spaced pivot bearings (10) of the rotary joint (5) to the implement (20), wherein in the region of that end ( 41) of the Ausiegerverlängerung (4), on which the rotary joint (5) is arranged, a guide (7) for the hydraulic lines (6) is provided which the hydraulic lines (6) from the boom extension (4) to the region (51) between the spaced rotary bearings (10) of the rotary joint (5), characterized in that at the werkzeugfemen end (31) of the boom (3) and at the working end (71) of the guide (7) fastening elements (8) for the hydraulic lines ( 6) are arranged between which the hydraulic lines (6) in the form of hydraulic hoses (9) extend. Kran nach Anspruch 1, dadurch gekennzeichnet, dass wenigstens eines der Befestigungselemente (8) als Bügel ausgebildet ist, in dem die Hydraulikschläuche (9) verlaufen,Crane according to claim 1, characterized in that at least one of the fastening elements (8) is designed as a bracket, in which run the hydraulic hoses (9), Kran nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Führung (7) für die Hydraulikleitungen (6) einen oder mehrere Bügel aufweist, in dem die Hydraulikschläuche (9) verlaufen.Crane according to claim 1 or 2, characterized in that the guide (7) for the hydraulic lines (6) has one or more brackets in which the hydraulic hoses (9) extend. Kran nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Führung (7) für die Hydraulikleitungen (6) einen offenen oder geschlossenen Schacht (72) aufweist, in dem die Hydraulikschläuche (9) verlaufen.Crane according to one of claims 1 to 3, characterized in that the guide (7) for the hydraulic lines (6) has an open or closed shaft (72) in which the hydraulic hoses (9) extend. Kran nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Führung (7) für die Hydraulikleitungen (6) zwei Stege aufweist, die die Hydraulikschläuche (9) führen.Crane according to one of claims 1 to 4, characterized in that the guide (7) for the hydraulic lines (6) has two webs which guide the hydraulic hoses (9). Kran nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Führung (7) und die Befestigungselemente (8) für die Hydraulikschläuche (9) an einer Unterseite (42) der Auslegerverlängerung (4) und an einer Unterseite (32) des Auslegers (3) angeordnet sind.Crane according to one of claims 1 to 5, characterized in that the guide (7) and the fastening elements (8) for the hydraulic hoses (9) on an underside (42) of the boom extension (4) and on a bottom (32) of the boom (3) are arranged. Kran nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Hydraulikschläuche (9) bei voll ausgefahrener Auslegerverlängerung (4) im Wesentlichen parallel zum Ausleger (3) und zur Auslegerverlängerung (4) verlaufen.Crane according to one of claims 1 to 6, characterized in that the hydraulic hoses (9) extend in the fully extended boom extension (4) substantially parallel to the boom (3) and the boom extension (4). Kran nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Hydraulikschläuche (9) bei voll eingefahrener Auslegerverlängerung (4) unterhalb des Auslegers (3) eine Ausbuchtung (91) bilden, die nach unten durchhängt.Crane according to one of claims 1 to 7, characterized in that the hydraulic hoses (9) with fully retracted boom extension (4) below the cantilever (3) form a bulge (91) which sags downwards. Fahrzeug, insbesondere Holzvollemter, mit einem Kran (1) mit wenigstens einem teleskopierbaren Kranarm (2) nach einem der Ansprüche 1 bis 8.Vehicle, in particular Holzvollemter, with a crane (1) with at least one telescopic crane arm (2) according to one of claims 1 to 8.
EP12001151.5A 2012-02-21 2012-02-21 Crane Active EP2631209B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PL12001151T PL2631209T3 (en) 2012-02-21 2012-02-21 Crane
EP12001151.5A EP2631209B1 (en) 2012-02-21 2012-02-21 Crane
BR102013003999-3A BR102013003999B1 (en) 2012-02-21 2013-02-20 crane with at least one telescopic-action crane arm and vehicle
CA2806697A CA2806697C (en) 2012-02-21 2013-02-20 Crane
RU2013107612A RU2621134C2 (en) 2012-02-21 2013-02-20 Crane
US13/771,566 US20130216343A1 (en) 2012-02-21 2013-02-20 Crane
CN201310055118.XA CN103253601B (en) 2012-02-21 2013-02-21 Crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12001151.5A EP2631209B1 (en) 2012-02-21 2012-02-21 Crane

Publications (2)

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EP2631209A1 true EP2631209A1 (en) 2013-08-28
EP2631209B1 EP2631209B1 (en) 2019-12-04

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EP12001151.5A Active EP2631209B1 (en) 2012-02-21 2012-02-21 Crane

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US (1) US20130216343A1 (en)
EP (1) EP2631209B1 (en)
CN (1) CN103253601B (en)
BR (1) BR102013003999B1 (en)
CA (1) CA2806697C (en)
PL (1) PL2631209T3 (en)
RU (1) RU2621134C2 (en)

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CN105480879B (en) * 2016-01-20 2017-03-22 湖南中涛起重科技有限公司 Telescopic multifunctional intelligent operation arm
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NL2024203B1 (en) * 2019-11-08 2021-07-20 Gustomsc B V Extendable lattice type crane boom, and method for operating a crane including an extendable boom.
SI26015A (en) * 2020-06-12 2021-12-31 Tajfun Liv, Proizvodnja In Razvoj D.O.O. Mobile telescopic hydraulic crane

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Also Published As

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BR102013003999B1 (en) 2020-06-30
CN103253601A (en) 2013-08-21
CA2806697A1 (en) 2013-08-21
CA2806697C (en) 2017-09-12
RU2621134C2 (en) 2017-05-31
CN103253601B (en) 2017-10-17
BR102013003999A2 (en) 2015-08-11
EP2631209B1 (en) 2019-12-04
PL2631209T3 (en) 2020-05-18
RU2013107612A (en) 2014-08-27
US20130216343A1 (en) 2013-08-22

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