DE3838975C2 - - Google Patents

Info

Publication number
DE3838975C2
DE3838975C2 DE3838975A DE3838975A DE3838975C2 DE 3838975 C2 DE3838975 C2 DE 3838975C2 DE 3838975 A DE3838975 A DE 3838975A DE 3838975 A DE3838975 A DE 3838975A DE 3838975 C2 DE3838975 C2 DE 3838975C2
Authority
DE
Germany
Prior art keywords
mast
boom
mobile crane
length
crane according
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
DE3838975A
Other languages
German (de)
English (en)
Other versions
DE3838975A1 (de
Inventor
Joachim Dipl.-Ing. 4000 Duesseldorf De Lietzau
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.)
Terex Demag GmbH and Co KG
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Priority to DE3838975A priority Critical patent/DE3838975A1/de
Publication of DE3838975A1 publication Critical patent/DE3838975A1/de
Application granted granted Critical
Publication of DE3838975C2 publication Critical patent/DE3838975C2/de
Granted 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
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
DE3838975A 1988-11-14 1988-11-14 Fahrzeugkran Granted DE3838975A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE3838975A DE3838975A1 (de) 1988-11-14 1988-11-14 Fahrzeugkran

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3838975A DE3838975A1 (de) 1988-11-14 1988-11-14 Fahrzeugkran

Publications (2)

Publication Number Publication Date
DE3838975A1 DE3838975A1 (de) 1990-05-17
DE3838975C2 true DE3838975C2 (zh) 1991-02-28

Family

ID=6367383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3838975A Granted DE3838975A1 (de) 1988-11-14 1988-11-14 Fahrzeugkran

Country Status (1)

Country Link
DE (1) DE3838975A1 (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19730361B4 (de) * 1996-08-23 2006-10-05 Liebherr-Werk Ehingen Gmbh Fahrzeugkran
US7137518B2 (en) 1999-06-28 2006-11-21 Terex-Demag Gmbh & Co. Kg Telescopic crane
DE10022600B4 (de) * 1999-06-28 2007-09-27 Terex-Demag Gmbh & Co. Kg Teleskopkran
US8985353B2 (en) 2006-10-27 2015-03-24 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
US9278834B2 (en) 2009-08-06 2016-03-08 Manitowoc Crane Group, LLC Lift crane with moveable counterweight

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9114464U1 (de) * 1991-11-21 1993-03-25 Krupp Industrietechnik GmbH, 4100 Duisburg Kranfahrzeug
DE19606109A1 (de) * 1995-12-12 1997-06-19 Liebherr Werk Ehingen Fahrzeugkran
GB2316383B (en) * 1996-08-23 2000-04-05 Liebherr Werk Ehingen Mobile crane
DE19814636A1 (de) * 1998-03-26 1999-09-30 Mannesmann Ag Ringliftkran
DE29816385U1 (de) * 1998-09-11 1999-04-08 Liebherr-Werk Ehingen Gmbh, 89584 Ehingen Kran, vorzugsweise Derrickkran
DE19944927C2 (de) * 1999-09-13 2001-10-25 Atecs Mannesmann Ag Hafenkran, insbesondere Hafenmobilkran für Normal- und Schwerlastbetrieb
US7546928B2 (en) 2006-10-27 2009-06-16 Manitowoc Crane Companies, Inc. Mobile lift crane with variable position counterweight
JP5276867B2 (ja) 2007-04-09 2013-08-28 マニタウォック クレイン カンパニーズ インコーポレイテッド 可変位置カウンタウエイトユニットを装備している自走式リフトクレーン及びその操作方法
US7762412B2 (en) * 2007-04-26 2010-07-27 Manitowoc Crane Companies, Llc Mast raising structure and process for high-capacity mobile lift crane
MX2008004549A (es) * 2008-01-31 2009-07-30 Monitowoc Crane Companies Inc Grua de elevacion movil con contrapeso de posicion variable.
DE102009048846A1 (de) 2009-10-09 2011-04-21 Liebherr-Werk Ehingen Gmbh Kran
DE202013011183U1 (de) 2013-12-10 2014-01-29 Terex Cranes Germany Gmbh Teleskopierbarer Superliftmast
EP3099620A4 (en) 2014-01-27 2017-10-11 Manitowoc Crane Companies, Inc. Height adjustment mechanism for an auxiliary member on a crane
US10179722B2 (en) 2014-01-27 2019-01-15 Manitowoc Crane Companies, Llc Lift crane with improved movable counterweight
DE102019130784A1 (de) 2019-11-14 2021-05-20 Liebherr-Hydraulikbagger Gmbh Arbeitsmaschine, insbesondere Materialumschlagsgerät mit einem Ausleger sowie Auslegerabspannung
DE102022122282A1 (de) 2022-09-02 2024-03-07 Tadano Demag Gmbh Fahrzeugkran mit einem lösbaren Anbau-Oberwagen und Rüstverfahren hierzu

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD73132A (zh) *
DE2312191A1 (de) * 1973-03-12 1974-09-12 Erich Sennebogen Fahrzeugkran
DE2839665C2 (de) * 1978-09-12 1985-06-27 Liebherr-Werk Ehingen Gmbh, 7930 Ehingen Schwerlastkran
US4258852A (en) * 1979-05-25 1981-03-31 Harnischfeger Corporation Auxiliary counterweight arrangement for mobile crane
IT1160249B (it) * 1983-12-27 1987-03-04 Cdf Ss Apparecchiatura semovente di sollevamento

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19730361B4 (de) * 1996-08-23 2006-10-05 Liebherr-Werk Ehingen Gmbh Fahrzeugkran
US7137518B2 (en) 1999-06-28 2006-11-21 Terex-Demag Gmbh & Co. Kg Telescopic crane
DE10022600B4 (de) * 1999-06-28 2007-09-27 Terex-Demag Gmbh & Co. Kg Teleskopkran
DE10022658B4 (de) * 1999-06-28 2007-10-04 Terex-Demag Gmbh & Co. Kg Teleskopkran
US8985353B2 (en) 2006-10-27 2015-03-24 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
US9278834B2 (en) 2009-08-06 2016-03-08 Manitowoc Crane Group, LLC Lift crane with moveable counterweight

Also Published As

Publication number Publication date
DE3838975A1 (de) 1990-05-17

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TEREX-DEMAG GMBH & CO. KG, 66482 ZWEIBRUECKEN, DE