DE20002748U1 - Mobile crane - Google Patents

Mobile crane

Info

Publication number
DE20002748U1
DE20002748U1 DE20002748U DE20002748U DE20002748U1 DE 20002748 U1 DE20002748 U1 DE 20002748U1 DE 20002748 U DE20002748 U DE 20002748U DE 20002748 U DE20002748 U DE 20002748U DE 20002748 U1 DE20002748 U1 DE 20002748U1
Authority
DE
Germany
Prior art keywords
legs
articulated
guy
mobile crane
guy stand
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.)
Expired - Lifetime
Application number
DE20002748U
Other languages
German (de)
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.)
Liebherr Werk Ehingen GmbH
Original Assignee
Liebherr Werk Ehingen 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
Application filed by Liebherr Werk Ehingen GmbH filed Critical Liebherr Werk Ehingen GmbH
Priority to DE20002748U priority Critical patent/DE20002748U1/en
Publication of DE20002748U1 publication Critical patent/DE20002748U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions

Landscapes

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

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (8)

1. Fahrzeugkran
mit einem an dessen Oberwagen angelenkten Teleskopausleger, der durch an diesem und an dem Oberwagen angelenkte Wippzylinder wippbar ist,
mit einem auf der Rückseite des Teleskopauslegers im oberen Bereich seines Anlenkschusses angelenkten Abspannbock, der durch einen Hydraulikzylinder aufrichtbar ist, und
mit einer Winde, über die ein von der Spitze des Abspannbocks zu dem Kopf­ stück des inneren Teleskopschusses oder einem Kragen eines oberen Tele­ skopschusses verlaufendes Abspannseil spannbar ist,
dadurch gekennzeichnet,
daß die fußseitigen Enden der Schenkel des Abspannbocks beidseits des Anlenkschusses schwenkbar gelagert und die äußeren Endbereiche der Schenkel durch einen Träger, dessen Länge mindestens der doppelten Breite des Teleskopauslegers entspricht, miteinander verbunden sind, so daß die Ecken des Abspannbocks die Eckpunkte eines gleichschenkeligen Trapezes bilden, und daß jeweils zwei Abspannseile oder Abspanngestänge von den äußeren Endbereichen der Schenkel zu den Befestigungspunkten an dem äußeren Bereich und dem Fußbereich des Teleskopauslegers verlaufen.1. Mobile crane
with a telescopic boom articulated on its superstructure, which can be luffed by luffing cylinders articulated on it and on the superstructure,
with a guy stand articulated on the back of the telescopic boom in the upper area of its articulation section, which can be erected by a hydraulic cylinder, and
with a winch that can be used to tension a guy rope running from the tip of the guy stand to the head of the inner telescopic section or a collar of an upper telescopic section,
characterized by
that the foot-side ends of the legs of the guy stand are pivotally mounted on both sides of the articulation shot and the outer end regions of the legs are connected to one another by a carrier, the length of which corresponds to at least twice the width of the telescopic boom, so that the corners of the guy stand form the corner points of an isosceles trapezoid, and that in each case two guy ropes or guy rods run from the outer end regions of the legs to the fastening points on the outer region and the foot region of the telescopic boom. 2. Fahrzeugkran nach Anspruch 1, dadurch gekennzeichnet, daß die Schenkel des Abspannbocks beidseits des Anlenkschusses allseitig schwenkbar gela­ gert sind und der Träger gelenkig mit dem äußeren Endbereich der Schenkel verbunden und längenveränderbar ist.2. Mobile crane according to claim 1, characterized in that the legs of the guy stand on both sides of the articulation shot can be swiveled on all sides Are gert and the carrier articulated with the outer end portion of the legs connected and variable in length. 3. Fahrzeugkran nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die fuß­ seitigen Enden der Schenkel des Abspannbocks beidseits des Anlenkschus­ ses allseitig schwenkbar gelagert und die äußeren Enden der Schenkel durch Kniehebel miteinander gelenkig verbunden sind, von denen jeder durch weite­ re Kniehebel, deren Enden gelenkig einerseits mit den Armen des ersten Kniehebels und andererseits mit den Schenkeln des Abspannbocks gelenkig verbunden sind, dadurch zwischen ihrer zusammengeklappten Stellung und ihrer gestreckt gespreizten Stellung verschwenkbar sind, daß an den Kniege­ lenken der zweiten Kniehebel Antriebe angreifen.3. Mobile crane according to claim 1 or 2, characterized in that the foot sided ends of the legs of the guy stand on both sides of the articulated section ses pivoted on all sides and through the outer ends of the legs Knee levers are hinged together, each of which is wide right knee lever, the ends of which are articulated on the one hand with the arms of the first Toggle lever and on the other hand articulated with the legs of the guy stand are connected, between their folded position and their stretched spread position are pivotable on the knees steer the second toggle lever to attack drives. 4. Fahrzeugkran nach Anspruch 3, dadurch gekennzeichnet, daß jeder Antrieb aus einer Kolben-Zylinder-Einheit besteht.4. Mobile crane according to claim 3, characterized in that each drive consists of a piston-cylinder unit. 5. Fahrzeugkran nach Anspruch 4, dadurch gekennzeichnet, daß ein Ende jeder Kolben-Zylinder-Einheit an je einem Arm des ersten Kniehebels oder je einem Schenkel des Abspannbocks im Bereich der gelenkigen Verbindung zwischen beiden angelenkt ist. 5. Mobile crane according to claim 4, characterized in that one end of each Piston-cylinder unit on one arm of the first toggle lever or one each Leg of the guy stand in the area of the articulated connection between is articulated to both.   6. Fahrzeugkran nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß die Schenkel des Abspannbocks längenveränderlich sind.6. Mobile crane according to one of claims 2 to 5, characterized in that the legs of the guy stand are variable in length. 7. Fahrzeugkran nach Anspruch 6, dadurch gekennzeichnet, daß die Schenkel des Abspannbocks teleskopierbar sind.7. Mobile crane according to claim 6, characterized in that the legs of the guy stand are telescopic. 8. Fahrzeugkran nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die äußeren Enden der Schenkel des Abspannbocks durch Seile oder durch Gestänge vorbestimmter konstanter Länge gegenüber dem Oberwa­ gen, dem Fußpunkt bzw. der Gelenkachse des Anlenkschusses oder dem unteren Bereich des Anlenkschusses abgespannt sind und daß im Bereich der äußeren Enden jedes Schenkels des Abspannbocks je eine Winde ange­ ordnet ist.8. Mobile crane according to one of claims 1 to 7, characterized in that the outer ends of the legs of the guy stand by ropes or by rods of predetermined constant length with respect to the upper wa gene, the base or the articulation axis of the articulated shot or the lower area of the articulated shot are braced and that in the area a winch is attached to the outer ends of each leg of the guy stand is arranged.
DE20002748U 2000-02-16 2000-02-16 Mobile crane Expired - Lifetime DE20002748U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20002748U DE20002748U1 (en) 2000-02-16 2000-02-16 Mobile crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20002748U DE20002748U1 (en) 2000-02-16 2000-02-16 Mobile crane

Publications (1)

Publication Number Publication Date
DE20002748U1 true DE20002748U1 (en) 2000-08-03

Family

ID=7937380

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20002748U Expired - Lifetime DE20002748U1 (en) 2000-02-16 2000-02-16 Mobile crane

Country Status (1)

Country Link
DE (1) DE20002748U1 (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1213254A1 (en) * 2000-12-11 2002-06-12 Demag Mobile Cranes GmbH & Co. KG Telescopic boom
EP1215161A1 (en) * 2000-12-12 2002-06-19 Liebherr-Werk Ehingen GmbH Mobile crane
DE10128986A1 (en) * 2001-06-11 2002-12-19 Demag Mobile Cranes Gmbh Mobile crane has load increasing device permanently connected to main jib part and with individual weight of telescopic extensions each reduced to avoid exceeding maximum permissible weight without having to reduce number of extensions
DE20208740U1 (en) * 2002-06-05 2003-10-09 Liebherr Werk Ehingen Mobile telescopic crane has external bracing cables terminating at their upper end in a fixed sleeve engaging with a cable lock trap at full extension
EP1428788A1 (en) * 2002-12-10 2004-06-16 Liebherr-Werk Ehingen GmbH Telescopic jib
WO2005092775A1 (en) 2004-03-26 2005-10-06 Terex-Demag Gmbh & Co. Kg Mobile crane sytsem comprising a mobile crane and an auxiliary device for assembly of a bracing device
US7044315B2 (en) 2002-06-05 2006-05-16 Liebherr-Werk Ehingen Gmbh Telescopic boom of a crane
EP2253575A1 (en) * 2009-05-20 2010-11-24 Manitowoc Crane Companies, LLC Crane backstay spreader
EP2308792A1 (en) * 2009-10-09 2011-04-13 Liebherr-Werk Ehingen GmbH Crane with a boom tensioning device
CN101700856B (en) * 2009-10-30 2013-04-24 上海三一科技有限公司 Hydraulic system for automatically controlling mast retraction of crawler crane
DE102011119656A1 (en) 2011-11-29 2013-05-29 Liebherr-Werk Ehingen Gmbh Mobile crane, has A-block comprising V-shaped expandable legs whose revolving platform-sided ends are supported in pivotable manner, where ends of legs are connected with head or collar of boom weft over anchoring cable
WO2013170567A1 (en) * 2012-05-17 2013-11-21 中联重科股份有限公司 Crane super-lift apparatus and telescopic crane
CN103613012A (en) * 2013-12-02 2014-03-05 广西大学 Amplitude changing device of crane capable of changing angles
DE102012018527B4 (en) 2012-09-19 2021-09-30 Liebherr-Werk Ehingen Gmbh Lattice boom crane and method for configuring and setting up a lattice boom crane

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1213254A1 (en) * 2000-12-11 2002-06-12 Demag Mobile Cranes GmbH & Co. KG Telescopic boom
EP1215161A1 (en) * 2000-12-12 2002-06-19 Liebherr-Werk Ehingen GmbH Mobile crane
DE10128986A1 (en) * 2001-06-11 2002-12-19 Demag Mobile Cranes Gmbh Mobile crane has load increasing device permanently connected to main jib part and with individual weight of telescopic extensions each reduced to avoid exceeding maximum permissible weight without having to reduce number of extensions
WO2002100756A1 (en) * 2001-06-11 2002-12-19 Terex-Demag Gmbh & Co. Kg Mobile crane comprising a telescopic principal jib
DE20208740U1 (en) * 2002-06-05 2003-10-09 Liebherr Werk Ehingen Mobile telescopic crane has external bracing cables terminating at their upper end in a fixed sleeve engaging with a cable lock trap at full extension
US7044315B2 (en) 2002-06-05 2006-05-16 Liebherr-Werk Ehingen Gmbh Telescopic boom of a crane
EP1428788A1 (en) * 2002-12-10 2004-06-16 Liebherr-Werk Ehingen GmbH Telescopic jib
US7213717B2 (en) 2002-12-10 2007-05-08 Liebherr-Werk Ehingen Gmbh Telescopic boom
WO2005092775A1 (en) 2004-03-26 2005-10-06 Terex-Demag Gmbh & Co. Kg Mobile crane sytsem comprising a mobile crane and an auxiliary device for assembly of a bracing device
US8127949B2 (en) 2009-05-20 2012-03-06 Manitowoc Crane Companies, Llc Crane backstay spreader
EP2253575A1 (en) * 2009-05-20 2010-11-24 Manitowoc Crane Companies, LLC Crane backstay spreader
EP2308792A1 (en) * 2009-10-09 2011-04-13 Liebherr-Werk Ehingen GmbH Crane with a boom tensioning device
CN102040168A (en) * 2009-10-09 2011-05-04 埃英根利勃海尔-维克股份有限公司 Crane with a boom tensioning device
CN102040168B (en) * 2009-10-09 2015-03-25 埃英根利勃海尔-维克股份有限公司 Crane
US9290364B2 (en) 2009-10-09 2016-03-22 Liebherr-Werk Ehingen Gmbh Crane
CN101700856B (en) * 2009-10-30 2013-04-24 上海三一科技有限公司 Hydraulic system for automatically controlling mast retraction of crawler crane
DE102011119656A1 (en) 2011-11-29 2013-05-29 Liebherr-Werk Ehingen Gmbh Mobile crane, has A-block comprising V-shaped expandable legs whose revolving platform-sided ends are supported in pivotable manner, where ends of legs are connected with head or collar of boom weft over anchoring cable
WO2013170567A1 (en) * 2012-05-17 2013-11-21 中联重科股份有限公司 Crane super-lift apparatus and telescopic crane
DE102012018527B4 (en) 2012-09-19 2021-09-30 Liebherr-Werk Ehingen Gmbh Lattice boom crane and method for configuring and setting up a lattice boom crane
CN103613012A (en) * 2013-12-02 2014-03-05 广西大学 Amplitude changing device of crane capable of changing angles

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000907

R197 New subsequently filed claims on ip dossier
R021 Search request validly filed

Effective date: 20010830

R163 Identified publications notified

Effective date: 20011206

R150 Term of protection extended to 6 years

Effective date: 20030324

R157 Lapse of ip right after 6 years

Effective date: 20060901