DE20004016U1 - Telescopic boom for cranes, preferably mobile cranes - Google Patents

Telescopic boom for cranes, preferably mobile cranes

Info

Publication number
DE20004016U1
DE20004016U1 DE20004016U DE20004016U DE20004016U1 DE 20004016 U1 DE20004016 U1 DE 20004016U1 DE 20004016 U DE20004016 U DE 20004016U DE 20004016 U DE20004016 U DE 20004016U DE 20004016 U1 DE20004016 U1 DE 20004016U1
Authority
DE
Germany
Prior art keywords
telescopic boom
profile
cranes
boom according
telescopic
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
DE20004016U
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 DE20004016U priority Critical patent/DE20004016U1/en
Publication of DE20004016U1 publication Critical patent/DE20004016U1/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
    • B66C23/64—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

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 erfaßtThe description text was not recorded electronically

Claims (6)

1. Teleskopausleger für Krane, vorzugsweise Fahrzeugkrane, bestehend aus einem Anlenkstück und aus aus diesem austeleskopierbaren und in diesen einziehbaren Teleskopschüssen, von denen das Anlenkstück und/oder min­ destens ein Teleskopschuß aus Profilen bestehen, von denen jedes einen unteren runden und einen oberen halbkastenförmigen Teil aufweist, deren gegeneinander gerichteten Schenkel miteinander verschweißt sind, dadurch gekennzeichnet, daß der obere Profilteil (1) die Form eines gleich­ schenkeligen Trapezes ohne längere Grundlinie in der Weise aufweist, daß die Schenkel der Profilteile (3, 4) unter Bildung eines Winkels aufeinander stoßen, der auf den Profilinnenseiten kleiner ist als 180°.1. Telescopic boom for cranes, preferably mobile cranes, consisting of a link piece and telescopic sections which can be telescoped and retracted into it, of which the link piece and / or at least one telescopic section consist of profiles, each of which has a lower round and an upper half-box-shaped part has, whose mutually directed legs are welded to each other, characterized in that the upper profile part ( 1 ) has the shape of an equal-legged trapezoid without a longer base line in such a way that the legs of the profile parts ( 3 , 4 ) abut one another at an angle which is smaller than 180 ° on the inside of the profile. 2. Teleskopausleger nach Anspruch 1, dadurch gekennzeichnet, daß der Winkel 160° bis 170° unter vorzugsweise 165° beträgt.2. Telescopic boom according to claim 1, characterized in that the angle Is 160 ° to 170 ° below preferably 165 °. 3. Teleskopausleger nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Ecken des trapezförmigen Profilteils abgerundet sind.3. Telescopic boom according to claim 1 or 2, characterized in that the Corners of the trapezoidal profile part are rounded. 4. Teleskopausleger nach einem der Ansprüche 1 bis 3, dadurch gekennzeich­ net, daß die Dicke des Profils der Oberschale größer ist als die der Unter­ schale. 4. Telescopic boom according to one of claims 1 to 3, characterized net that the thickness of the profile of the upper shell is greater than that of the lower Bowl.   5. Teleskopausleger nach einem der Ansprüche 1 bis 4, dadurch gekennzeich­ net, daß die an den runden Teil anschließenden Schenkel des Profils der Un­ terschale parallel zueinander verlaufen.5. Telescopic boom according to one of claims 1 to 4, characterized net that the leg of the profile of the Un adjoining the round part tershell run parallel to each other. 6. Teleskopausleger nach einem der Ansprüche 1 bis 5, dadurch gekennzeich­ net, daß das Profil der Unterschale in seiner Mittelebene einen einen geraden Untergurt bildenden Abschnitt (5) aufweist.6. Telescopic boom according to one of claims 1 to 5, characterized in that the profile of the lower shell in its central plane has a straight lower chord section ( 5 ).
DE20004016U 2000-03-03 2000-03-03 Telescopic boom for cranes, preferably mobile cranes Expired - Lifetime DE20004016U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20004016U DE20004016U1 (en) 2000-03-03 2000-03-03 Telescopic boom for cranes, preferably mobile cranes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20004016U DE20004016U1 (en) 2000-03-03 2000-03-03 Telescopic boom for cranes, preferably mobile cranes

Publications (1)

Publication Number Publication Date
DE20004016U1 true DE20004016U1 (en) 2001-07-12

Family

ID=7938270

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20004016U Expired - Lifetime DE20004016U1 (en) 2000-03-03 2000-03-03 Telescopic boom for cranes, preferably mobile cranes

Country Status (1)

Country Link
DE (1) DE20004016U1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1321425A1 (en) * 2001-12-12 2003-06-25 Grove U.S. LLC Telescopic boom for mobile crane
EP1741663A1 (en) 2005-07-07 2007-01-10 Grove U.S. LLC Upper boom cross section for telescopic cranes
DE102006014573B3 (en) * 2006-03-29 2007-07-19 Manitowoc Crane Group France SAS, Telescopic crane jib part, has upper and lower profile parts with segments that are bent outwardly, and end segments adjoining each other at obtuse angle, where radius of segments is less than half width of cross-section
DE102008032976A1 (en) 2007-09-12 2009-03-19 Terex-Demag Gmbh A telescopic crane jib part
DE202010006624U1 (en) 2010-05-10 2010-08-05 Manitowoc Crane Group France Sas Crane jib, in particular mobile crane jib, with prestressed tension elements
RU175228U1 (en) * 2017-07-14 2017-11-28 Акционерное общество "Галичский автокрановый завод" Crane boom

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1321425A1 (en) * 2001-12-12 2003-06-25 Grove U.S. LLC Telescopic boom for mobile crane
EP1496006A3 (en) * 2001-12-12 2005-02-02 Grove U.S. LLC Telescopic boom for mobile crane
US6978907B2 (en) 2001-12-12 2005-12-27 Grove U.S. Llc Telescopic jib for a vehicular crane
CN1319846C (en) * 2001-12-12 2007-06-06 格罗夫美国有限责任公司 Telescopic arm of wheeled crane
EP1741663A1 (en) 2005-07-07 2007-01-10 Grove U.S. LLC Upper boom cross section for telescopic cranes
EP1840075A1 (en) * 2006-03-29 2007-10-03 Manitowoc Crane Group France SAS Telescopic crane beam with greater and lesser curved profile segments in the upper and lower profile part
DE102006014573B3 (en) * 2006-03-29 2007-07-19 Manitowoc Crane Group France SAS, Telescopic crane jib part, has upper and lower profile parts with segments that are bent outwardly, and end segments adjoining each other at obtuse angle, where radius of segments is less than half width of cross-section
US7578402B2 (en) 2006-03-29 2009-08-25 Manitowoc Crane Group France Sas Telescopic crane jib part with cross sectional segments of varying curvature
DE102008032976A1 (en) 2007-09-12 2009-03-19 Terex-Demag Gmbh A telescopic crane jib part
DE202008017751U1 (en) 2007-09-12 2010-05-27 Terex Demag Gmbh A telescopic crane jib part
DE102008032976B4 (en) * 2007-09-12 2018-02-22 Manitowoc Crane Group France Sas A telescopic crane jib part
DE202010006624U1 (en) 2010-05-10 2010-08-05 Manitowoc Crane Group France Sas Crane jib, in particular mobile crane jib, with prestressed tension elements
EP2386517A1 (en) 2010-05-10 2011-11-16 Manitowoc Crane Group France SAS Crane extension, in particular mobile crane extension, with pre-tensioned pulling elements
RU175228U1 (en) * 2017-07-14 2017-11-28 Акционерное общество "Галичский автокрановый завод" Crane boom

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010816

R150 Term of protection extended to 6 years

Effective date: 20030417

R151 Term of protection extended to 8 years

Effective date: 20060503

R152 Term of protection extended to 10 years

Effective date: 20080410

R071 Expiry of right