EP3009392A1 - Crane - Google Patents

Crane Download PDF

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Publication number
EP3009392A1
EP3009392A1 EP14189042.6A EP14189042A EP3009392A1 EP 3009392 A1 EP3009392 A1 EP 3009392A1 EP 14189042 A EP14189042 A EP 14189042A EP 3009392 A1 EP3009392 A1 EP 3009392A1
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EP
European Patent Office
Prior art keywords
crane
crane according
crane arm
hydraulic line
rotary
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
EP14189042.6A
Other languages
German (de)
French (fr)
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EP3009392B1 (en
Inventor
Georg 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.)
Steindl Krantechnik GmbH
Original Assignee
Steindl Krantechnik GmbH
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Publication date
Application filed by Steindl Krantechnik GmbH filed Critical Steindl Krantechnik GmbH
Priority to EP14189042.6A priority Critical patent/EP3009392B1/en
Publication of EP3009392A1 publication Critical patent/EP3009392A1/en
Application granted granted Critical
Publication of EP3009392B1 publication Critical patent/EP3009392B1/en
Not-in-force legal-status Critical Current
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    • 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
    • B66C3/005—Grab supports, e.g. articulations; Oscillation dampers; Orientation
    • 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

Definitions

  • the present invention relates to a crane, in particular a suspended slewing crane, having the features of the preamble of claim 1.
  • the implement can be moved in a generic crane by a vertical pivoting device from a vertical. But such cranes have a disadvantageously large design.
  • the object of the invention is to provide a generic crane, which has a more compact design.
  • the at least one hydraulic line coming from the crane arm can pass between the pivot bearings, space is created for the articulation of the vertical pivoting device, which allows a compact design.
  • FIG. 1 and FIG. 2 (equals to FIG. 1 with partially broken away swivel head 9) show a crane designed as a suspended crane according to the invention.
  • a crane arm 1 On a crane arm 1 (which is usually telescopically mounted in a further crane arm, not shown) is a Kranarmkopf 8 fixed.
  • a device body 7 of a trained here as a gripping device see also FIG.
  • the bracket 17 may be formed integrally with the swivel head 9 or attached thereto.
  • Hydraulic lines 3 run from the crane arm 1 coming (where they can be mounted by means of brackets on Kranarmende) to a rotary distributor 6 to allow a transport of hydraulic fluid to the implement 2 without being affected by the rotational movement. This allows an endless rotation of the implement 2. Because the hinge has two spaced pivot bearing 10, with a split pivot pin 11 a, 11 b, the hydraulic lines 3 can run protected in the pivoting head 9. At the swivel head 9, a cover, not shown, - preferably releasably - be attached, which improves the protection of the hydraulic lines 3. Further hydraulic lines 3 run from the crane arm 1 coming (where they can be mounted by means of brackets on Kranarmende) to the rotary motor 4 to supply them.
  • a pivot pin connecting the spaced-apart rotary bearing 10 could also be used, provided that its diameter is small enough that the hydraulic lines 3 can run between the pivot bearings 10.
  • the rotary distributor 6 is installed head-down relative to a standard installation position and protrudes into the device body 7 substantially as far as a gripper cylinder 14 (see FIG FIG. 3 ).
  • the grippers 13 are movable in a conventional manner.
  • the gripper cylinder 14 is supplied via the rotary distributor 6 away leading hydraulic lines 3 'and the rotary distributor 6 leading hydraulic lines 3 regardless of a rotational and vertical pivot position of the implement 2 with hydraulic fluid.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

Kran mit einem Kranarm (1) an welchem ein Arbeitsgerät (2) angeordnet ist, welches durch eine Hochschwenkvorrichtung aus einer Vertikalen verschwenkt werden kann, wobei wenigstens eine Hydraulikleitung (3, 3') vom Kranarm (1) zum Arbeitsgerät (2) verläuft, wobei die Hochschwenkvorrichtung einen fest mit dem Kranarm (1) verbundenen Kranarmkopf (8) und einen mit dem Arbeitsgerät (2) verbundenen Schwenkkopf (9) aufweist, die mittels eines Drehgelenks miteinander verbunden sind und dass das Drehgelenk zwei voneinander beabstandete Drehlager (10) aufweist, zwischen denen die wenigstens eine vom Kranarm (1) kommende Hydraulikleitung (3) verläuft.Crane with a crane arm (1) on which a working device (2) is arranged, which can be pivoted by a vertical pivoting device from a vertical, wherein at least one hydraulic line (3, 3 ') from the crane arm (1) to the implement (2), wherein the Hochschwenkvorrichtung has a fixed to the crane arm (1) connected to the crane arm head (8) and connected to the implement (2) pivoting head (9), which are interconnected by means of a rotary joint and in that the rotary joint has two spaced apart pivot bearing (10) between which runs the at least one of the crane arm (1) coming hydraulic line (3).

Description

Die vorliegende Erfindung betrifft einen Kran, insbesondere einen Hängedrehkran, mit den Merkmalen des Oberbegriffs des Anspruchs 1.The present invention relates to a crane, in particular a suspended slewing crane, having the features of the preamble of claim 1.

Verschiebbar an oder in einer stationären Struktur (zum Beispiel einem Gebäude) gelagerte gattungsgemäße Krane werden als Hängedrehkrane (auch Heukrane genannt) bezeichnet.Slidably mounted on or in a stationary structure (for example, a building) generic cranes are referred to as overhead slewing cranes (also called hay cranes).

Das Arbeitsgerät kann bei einem gattungsgemäßen Kran durch eine Hochschwenkvorrichtung aus einer Vertikalen bewegt werden. Derartige Krane weisen aber eine unvorteilhaft große Bauform auf.The implement can be moved in a generic crane by a vertical pivoting device from a vertical. But such cranes have a disadvantageously large design.

Aufgabe der Erfindung ist die Bereitstellung eines gattungsgemäßen Krans, der eine kompaktere Bauform aufweist.The object of the invention is to provide a generic crane, which has a more compact design.

Diese Aufgabe wird durch einen Kran mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen definiert.This object is achieved by a crane having the features of claim 1. Advantageous embodiments of the invention are defined in the dependent claims.

Durch das Vorsehen eines Drehgelenks, das zwei voneinander beabstandete Drehlager aufweist, kann die vom Kranarm kommende wenigstens eine Hydraulikleitung zwischen den Drehlagern hindurch verlaufen, entsteht Platz für die Anlenkung der Hochschwenkvorrichtung, was eine kompakte Bauform gestattet.By providing a rotary joint, which has two spaced rotary bearings, the at least one hydraulic line coming from the crane arm can pass between the pivot bearings, space is created for the articulation of the vertical pivoting device, which allows a compact design.

Weitere Vorteile der Erfindung werden anhand eines in den Figuren 1 bis 3 dargestellten Ausführungsbeispiels erläutert.Further advantages of the invention will be described with reference to the FIGS. 1 to 3 illustrated embodiment explained.

Figur 1 und Figur 2 (entspricht der Figur 1 mit teilweise weg gebrochenen Schwenkkopf 9) zeigen einen als Hängedrehkran ausgebildeten erfindungsgemäßen Kran. An einem Kranarm 1 (der üblicherweise in einem nicht dargestellten weiteren Kranarm teleskopierbar gelagert ist) ist ein Kranarmkopf 8 fest angeordnet. Über ein Drehgelenk und einen Schwenkkopf 9 ist ein Gerätekörper 7 eines hier als Greifvorrichtung ausgebildeten Arbeitsgeräts (siehe auch Figur 3) mit dem Kranarm 1 so verbunden, dass er einerseits durch eine Hochschwenkvorrichtung (hier bestehend aus Kranarmkopf 8, Schwenkkopf 9, Drehgelenk, Konsole 17 und Hochschwenkzylinder 12) aus der Vertikalen verschwenkt werden kann (im vorliegenden Beispiel über 110 Grad) und andererseits durch eine Drehvorrichtung (hier bestehend aus Drehmotor 4 und Drehkranz 5) um die Vertikale bzw. eine entsprechend durch das Hochschwenken gekippte Achse gedreht werden kann. FIG. 1 and FIG. 2 (equals to FIG. 1 with partially broken away swivel head 9) show a crane designed as a suspended crane according to the invention. On a crane arm 1 (which is usually telescopically mounted in a further crane arm, not shown) is a Kranarmkopf 8 fixed. About a hinge and a swivel head 9 is a device body 7 of a trained here as a gripping device (see also FIG. 3 ) connected to the crane arm 1 so that on the one hand by a Hochschwenkvorrichtung (here from Kranarmkopf 8, swivel head 9, swivel joint, console 17 and Hochschwenkzylinder 12) can be pivoted from the vertical (in the present example about 110 degrees) and on the other hand by a rotating device (here consisting of a rotary motor 4 and turntable 5) to the vertical or one can be rotated accordingly tilted by the pivoting axis.

Die Konsole 17 kann einstückig mit dem Schwenkkopf 9 ausgebildet oder an diesem befestigt sein.The bracket 17 may be formed integrally with the swivel head 9 or attached thereto.

Hydraulikleitungen 3 verlaufen vom Kranarm 1 kommend (dort können sie mittels Halterungen am Kranarmende montiert sein) zu einem Drehverteiler 6 um einen Transport von Hydraulikflüssigkeit zum Arbeitsgerät 2 ohne Beeinträchtigung durch die Drehbewegung zu erlauben. Dies gestattet eine Endlosdrehung des Arbeitsgeräts 2. Weil das Drehgelenk zwei voneinander beabstandete Drehlager 10 aufweist, mit einem geteilten Drehbolzen 11a, 11 b, können die Hydraulikleitungen 3 im Schwenkkopf 9 geschützt verlaufen. Am Schwenkkopf 9 kann eine nicht dargestellte Abdeckung - vorzugsweise lösbar - befestigt sein, was den Schutz der Hydraulikleitungen 3 verbessert. Weitere Hydraulikleitungen 3 verlaufen vom Kranarm 1 kommend (dort können sie mittels Halterungen am Kranarmende montiert sein) zum Drehmotor 4 um diesen zu versorgen.Hydraulic lines 3 run from the crane arm 1 coming (where they can be mounted by means of brackets on Kranarmende) to a rotary distributor 6 to allow a transport of hydraulic fluid to the implement 2 without being affected by the rotational movement. This allows an endless rotation of the implement 2. Because the hinge has two spaced pivot bearing 10, with a split pivot pin 11 a, 11 b, the hydraulic lines 3 can run protected in the pivoting head 9. At the swivel head 9, a cover, not shown, - preferably releasably - be attached, which improves the protection of the hydraulic lines 3. Further hydraulic lines 3 run from the crane arm 1 coming (where they can be mounted by means of brackets on Kranarmende) to the rotary motor 4 to supply them.

Anstelle eines geteilten Drehbolzens 11a, 11 b könnte auch ein die voneinander beabstandeten Drehlager 10 verbindender Drehbolzen zum Einsatz kommen, vorausgesetzt dessen Durchmesser ist gering genug, dass die Hydraulikleitungen 3 zwischen den Drehlagern 10 verlaufen können.Instead of a split pivot pin 11 a, 11 b, a pivot pin connecting the spaced-apart rotary bearing 10 could also be used, provided that its diameter is small enough that the hydraulic lines 3 can run between the pivot bearings 10.

Der Drehverteiler 6 ist gegenüber einer Standardeinbaulage kopfunter verbaut und ragt in den Gerätekörper 7 im Wesentlichen bis zu einem Greiferzylinder 14 hinein (siehe Figur 3). Durch den Greiferzylinder 14 sind die Greifer 13 in an sich bekannter Weise bewegbar. Der Greiferzylinder 14 wird über vom Drehverteiler 6 wegführende Hydraulikleitungen 3' und die zum Drehverteiler 6 hinführenden Hydraulikleitungen 3 unabhängig von einer Dreh- und Hochschwenkposition des Arbeitsgeräts 2 mit Hydraulikflüssigkeit versorgt.The rotary distributor 6 is installed head-down relative to a standard installation position and protrudes into the device body 7 substantially as far as a gripper cylinder 14 (see FIG FIG. 3 ). By the gripper cylinder 14, the grippers 13 are movable in a conventional manner. The gripper cylinder 14 is supplied via the rotary distributor 6 away leading hydraulic lines 3 'and the rotary distributor 6 leading hydraulic lines 3 regardless of a rotational and vertical pivot position of the implement 2 with hydraulic fluid.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Kranarmkranarm
22
Arbeitsgerätimplement
33
Hydraulikleitunghydraulic line
3'3 '
Hydraulikleitunghydraulic line
44
Drehmotorrotary engine
55
Drehkranzslewing ring
66
Drehverteilerrotary distributor
77
Gerätekörperdevice body
88th
KranarmkopfKranarmkopf
99
Schwenkkopfswivel head
1010
Drehlagerpivot bearing
11a11a
erster Teil des Drehbolzensfirst part of the pivot pin
11b11b
zweiter Teil des Drehbolzenssecond part of the pivot pin
1212
HochschwenkzylinderHigh swing cylinders
1313
Greifergrab
1414
Greiferzylindergripper cylinder
1515
Lagercamp
1616
Lascheflap
1717
Konsoleconsole

Claims (12)

Kran mit einem Kranarm (1) an welchem ein Arbeitsgerät (2) angeordnet ist, welches durch eine Hochschwenkvorrichtung aus einer Vertikalen verschwenkt werden kann, wobei wenigstens eine Hydraulikleitung (3, 3') vom Kranarm (1) zum Arbeitsgerät (2) verläuft, dadurch gekennzeichnet, dass die Hochschwenkvorrichtung einen fest mit dem Kranarm (1) verbundenen Kranarmkopf (8) und einen mit dem Arbeitsgerät (2) verbundenen Schwenkkopf (9) aufweist, die mittels eines Drehgelenks miteinander verbunden sind und dass das Drehgelenk zwei voneinander beabstandete Drehlager (10) aufweist, zwischen denen die wenigstens eine vom Kranarm (1) kommende Hydraulikleitung (3) verläuft.Crane with a crane arm (1) on which a working device (2) is arranged, which can be pivoted by a vertical pivoting device from a vertical, wherein at least one hydraulic line (3, 3 ') from the crane arm (1) to the implement (2), characterized in that the Hochschwenkvorrichtung has a fixed to the crane arm (1) connected Kranarmkopf (8) and connected to the working device (2) pivoting head (9) which are interconnected by means of a rotary joint and in that the pivot joint two spaced pivot bearing ( 10), between which runs the at least one of the crane arm (1) coming hydraulic line (3). Kran nach Anspruch 1, wobei das Drehgelenk einen geteilten Drehbolzen aufweist, mit einem in dem einen Drehlager (10) angeordneten ersten Teil (11a) und einem in dem anderen Drehlager (10) angeordneten zweiten Teil (11b).Crane according to claim 1, wherein the rotary joint comprises a split pivot pin, with a first part (11a) arranged in one pivot bearing (10) and a second part (11b) arranged in the other pivot bearing (10). Kran nach Anspruch 1 oder 2, wobei die Hochschwenkvorrichtung einen Hochschwenkzylinder (12) aufweist.Crane according to claim 1 or 2, wherein the Hochschwenkvorrichtung comprises a Hochschwenkzylinder (12). Kran nach Anspruch 3, wobei der Hochschwenkzylinder (12) an der einen Seite im Inneren des Kranarms (1) und an der anderen Seite am Schwenkkopf (9), vorzugsweise am Drehgelenk der Hochschwenkvorrichtung, angeordnet ist.Crane according to claim 3, wherein the Hochschwenkzylinder (12) on one side in the interior of the crane arm (1) and on the other side on the swivel head (9), preferably at the pivot of the Hochschwenkvorrichtung is arranged. Kran nach Anspruch 3 oder 4, wobei der Hochschwenkzylinder (12) zum Verschwenken des Arbeitsgeräts (2) aus der Vertikalen gegen eine am Schwenkkopf (9) angeordnete Konsole (17) drückt.Crane according to claim 3 or 4, wherein the Hochschwenkzylinder (12) for pivoting the working device (2) from the vertical against a swivel head (9) arranged console (17) presses. Kran nach wenigstens einem der vorhergehenden Ansprüche , wobei die Drehvorrichtung einen durch einen Drehmotor (4) angetriebenen Drehkranz (5) umfasst, der gemeinsam mit dem Arbeitsgerät (2) durch die Hochschwenkvorrichtung aus der Vertikalen verschwenkt werden kann.Crane according to at least one of the preceding claims, wherein the rotating device comprises a by a rotary motor (4) driven turntable (5) which can be pivoted together with the implement (2) by the Hochschwenkvorrichtung from the vertical. Kran nach wenigstens einem der vorhergehenden Ansprüche, wobei ein Drehverteiler (6) vorgesehen ist, in welchen die wenigstens eine vom Kranarm (1) kommende Hydraulikleitung (3) einmündet und auf der Seite des Arbeitsgerätes (2) als zum Arbeitsgerät führende Hydraulikleitung (3') abgeht.Crane according to at least one of the preceding claims, wherein a rotary distributor (6) is provided, in which the at least one of the crane arm (1) coming hydraulic line (3) opens and on the side of the implement (2) as the working device leading hydraulic line (3 ') goes off. Kran nach Anspruch 7, wobei der Drehverteiler (6) in einen Gerätekörper (7) des Arbeitsgeräts (2) hineinragt.Crane according to claim 7, wherein the rotary distributor (6) projects into a device body (7) of the working device (2). Kran nach wenigstens einem der Ansprüche 6 bis 8, wobei der Schwenkkopf (9) zumindest im Bereich des Drehmotors (4) und des Drehverteilers (6) mit einer vorzugsweise lösbaren Abdeckung versehen ist, sodass die wenigstens eine vom Kranarm (1) kommende Hydraulikleitung (3) im Schwenkkopf (9) geschützt verläuft.Crane according to at least one of claims 6 to 8, wherein the swivel head (9) at least in the region of the rotary motor (4) and the rotary distributor (6) is provided with a preferably detachable cover, so that at least one of the crane arm (1) coming hydraulic line ( 3) in the pivoting head (9) extends protected. Kran nach wenigstens einem der vorhergehenden Ansprüche, wobei das Arbeitsgerät (2) als Greifgerät ausgebildet ist.Crane according to at least one of the preceding claims, wherein the working device (2) is designed as a gripping device. Kran nach Anspruch 10, wobei Greifer (13) des Greifgeräts durch einen im Gerätekörper (7) des Greifgeräts angeordneten Greiferzylinder (14) betätigbar sind, wobei vorzugsweise der Drehverteiler (6) im Wesentlichen bis zum Greiferzylinder (14) in den Gerätekörper (7) hineinragt.Crane according to claim 10, wherein gripper (13) of the gripping device can be actuated by a gripper cylinder (14) arranged in the device body (7) of the gripping device, wherein preferably the rotary distributor (6) extends substantially into the gripper cylinder (14) into the device body (7). protrudes. Kran nach wenigstens einem der vorhergehenden Ansprüche, wobei der Kran als Hängedrehkran ausgebildet ist.Crane according to at least one of the preceding claims, wherein the crane is designed as a suspended crane.
EP14189042.6A 2014-10-15 2014-10-15 Crane Not-in-force EP3009392B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14189042.6A EP3009392B1 (en) 2014-10-15 2014-10-15 Crane

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Application Number Priority Date Filing Date Title
EP14189042.6A EP3009392B1 (en) 2014-10-15 2014-10-15 Crane

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Publication Number Publication Date
EP3009392A1 true EP3009392A1 (en) 2016-04-20
EP3009392B1 EP3009392B1 (en) 2018-07-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020536825A (en) * 2017-10-13 2020-12-17 エスイーシー エンジニアリング アンド デザイン リミテッド Grapple

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631995A (en) * 1970-03-16 1972-01-04 Beloit Corp Rotatable grapple with individually actuated outriggers
JPH0783306A (en) * 1993-09-16 1995-03-28 Hirose & Co Ltd Swing mechanism
EP1288156A1 (en) * 2001-09-03 2003-03-05 Steindl Krantechnik Ges.m.b.H Suspended slewing crane
WO2003057615A1 (en) * 2001-11-26 2003-07-17 Cranab Ab Device for mounting of a turnable implement
EP2570379A1 (en) * 2011-09-15 2013-03-20 EPSILON Kran GmbH. Swivel joint assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6315344B1 (en) * 2000-06-19 2001-11-13 Randall D. Mattson Grapple positioning device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631995A (en) * 1970-03-16 1972-01-04 Beloit Corp Rotatable grapple with individually actuated outriggers
JPH0783306A (en) * 1993-09-16 1995-03-28 Hirose & Co Ltd Swing mechanism
EP1288156A1 (en) * 2001-09-03 2003-03-05 Steindl Krantechnik Ges.m.b.H Suspended slewing crane
WO2003057615A1 (en) * 2001-11-26 2003-07-17 Cranab Ab Device for mounting of a turnable implement
EP2570379A1 (en) * 2011-09-15 2013-03-20 EPSILON Kran GmbH. Swivel joint assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020536825A (en) * 2017-10-13 2020-12-17 エスイーシー エンジニアリング アンド デザイン リミテッド Grapple

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