EP0637563A1 - Grue mobile - Google Patents

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Publication number
EP0637563A1
EP0637563A1 EP94111262A EP94111262A EP0637563A1 EP 0637563 A1 EP0637563 A1 EP 0637563A1 EP 94111262 A EP94111262 A EP 94111262A EP 94111262 A EP94111262 A EP 94111262A EP 0637563 A1 EP0637563 A1 EP 0637563A1
Authority
EP
European Patent Office
Prior art keywords
telescopic
mobile crane
boom
guy
tube
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
EP94111262A
Other languages
German (de)
English (en)
Other versions
EP0637563B1 (fr
Inventor
Rudolf Becker
Hans-Dieter Willim
Uwe Frommel
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6896494&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0637563(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Liebherr Werk Ehingen GmbH filed Critical Liebherr Werk Ehingen GmbH
Publication of EP0637563A1 publication Critical patent/EP0637563A1/fr
Application granted granted Critical
Publication of EP0637563B1 publication Critical patent/EP0637563B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B66C23/823—Bracing equipment acting in vertical direction
    • 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
    • B66C23/42—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 with jibs of adjustable configuration, e.g. foldable
    • 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
    • B66C23/702—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic with a jib extension boom

Definitions

  • the invention relates to a mobile crane consisting of an undercarriage and a superstructure rotatably mounted thereon, on which a telescopic boom pivotable by a luffing cylinder is mounted.
  • Such mobile cranes are known in different embodiments, and there is also the possibility of extending the telescopic boom by means of a lattice jib firmly connected to the upper end of the inner telescope or of pivoting the inner telescopic section with a braced, luffing lattice jib.
  • the object of the invention is to provide a mobile crane of the type mentioned, which can be easily spent in the state of crane operation and in its transport state with extended uses.
  • the telescopic boom consists of two parts which can be bolted to one another, each of which has an outer tube from which at least one telescopic section can be telescoped.
  • the outer telescopic tube of the upper part is included the upper end of the inner telescopic section telescopic from the lower outer telescopic tube can be bolted. Since the telescopic boom according to the invention consists of two telescopes, that is to say from two parts, each of which is telescopic for itself, it can be telescoped almost continuously from its lowest hook height to its highest hook height, which can have a considerable height.
  • the telescopic crane In the telescopic crane according to the invention, only the lower, telescopic part remains on the vehicle during transport, while the upper, telescopic part is transported on a special trailer.
  • the two telescopic parts of the telescopic boom can be easily connected by placing the crane vehicle in a suitable position for the trailer transporting the upper telescopic part and then the parts that can be bolted together by rotating the superstructure and telescoping the lower boom part together into a boltable part Intervention.
  • the mobile crane according to the invention can be used with a short boom that only consists of the lower part of the telescopic boom. In this operating mode with a shortened boom, the mobile crane according to the invention can also ballast itself. The ballast weight is transported by a separate vehicle and can be removed from the mobile crane according to the invention with a short boom and placed at the predetermined location on the undercarriage.
  • an inner telescopic section can be telescoped out of the lower outer telescopic tube forming the articulation piece.
  • outer telescopic tube that connects to the inner telescopic section of the lower part of the telescopic boom is connectable, at least two and preferably three telescopic sections can be telescoped.
  • a rear guy support is articulated, which is held by a collapsible auxiliary guy to the upper outer telescopic tube, and that the end of the guy support by a lower guy against the Base area of the lower outer telescopic tube and can be braced by a collapsible upper bracing relative to the head area of one of the telescopic upper telescopic sections, preferably the first telescopic section.
  • This bracing gives the boom greater flexural rigidity so that it is suitable for lifting heavier loads.
  • the guy lines are arranged in such a way that they enable the telescopic boom to be erected and folded up easily and quickly. If the upper telescopic part is bolted to the lower telescopic part of the telescopic boom in an approximately horizontal position of the shots still telescoped in, the lower guying of the guy support is first installed.
  • the guy support is raised to the operating position in which it is held by the auxiliary guying.
  • the tensioning of the guy lines then takes place automatically by telescoping the shots or the shot of the upper and lower parts of the telescopic boom.
  • Compact, transportable parts are achieved in that, in the transport position, both the guy support and the upper guy are folded onto the telescoped upper part of the telescopic boom are.
  • the bracing expediently consists of rods.
  • the upper guying, articulated on the head region of the first telescopic section consists of two rods articulated in their central region.
  • the parts of the rods correspond to the length of the guy support and the outer telescopic tube, so that they can be folded together with the guy support to the outer telescopic tube.
  • the lower guying is expediently separable in its central area.
  • the lower part of the guying remains on the crane vehicle during transport, while the upper part of the lower guying is folded onto the guy support.
  • the mobile crane according to the invention consists of a mobile crane vehicle 1 forming the undercarriage, on which the superstructure is rotatably mounted in the usual manner.
  • the outer telescopic tube 4 of the lower part of the telescopic boom is pivotally mounted on the superstructure about the axis 3.
  • This outer telescopic tube can be pivoted in the usual way by two rocking cylinders 5.
  • a telescopic section 6 can be telescoped out of the outer telescopic tube of the lower part of the telescopic boom.
  • the lower outer telescopic tube 9 of the upper part of the telescopic boom is bolted to the upper end of the telescoping shot 6 by the bolt connections 7, 8.
  • the telescopic sections 10, 11, 12 can be telescoped out of the outer telescopic tube 9.
  • the guy support 14 is articulated by the bolt 13.
  • the guy support 14 is braced against the upper outer telescopic tube 9 by an auxiliary guy 15, the articulation points 16, 17 on the guy support 14 and on the outer telescopic tube 9 are approximately in the range of the first third of the total lengths of these parts, measured from the articulated connection 13, are located.
  • the guy support 14 is connected to the foot area of the lower outer telescopic tube 4 by means of the guy rods 19, 20 which are connected to one another in the joint or point 18.
  • the outer end of the guy support 14 can also be telescoped through the guy rods 22, 23, which are connected to one another by the joint 21, with the upper end region of the first one Shot 10 connected.
  • the bracing rods 19, 20 of the lower bracing can additionally be provided with left-right adjustment threads and associated clamping nuts.
  • the telescopes 12, 11, 10 are telescoped into the outer telescopic tube 9 of the upper boom part.
  • the guy rods 22, 23 buckle around the joint 21 in such a way that they assume the dashed position 22 ', 23' after the telescoping.
  • the articulated connection 21 moves in the direction of the circular arrow 25.
  • the telescopic boom is pivoted into the approximately horizontal position 26 via the luffing cylinder 5.
  • the guy support 14 folds onto the outer telescopic tube 9 in the manner shown, the guy rods 22, 23 also being folded accordingly.
  • the auxiliary guying 15 is also merged in the manner shown in the right part of FIG. 1.
  • the lower guy rods 19, 20 are separated from one another by loosening the connection 18, the upper guy rod 19 also being folded against the guy support 14 for the purpose of transport.
  • the lower guy rod 20 bears against the outer lower telescopic tube 4. In the horizontal position shown in FIG.
  • the bolt connections 7, 8 are then loosened, so that the upper telescopic part can be transported separately with the parts folded onto them.
  • the lower part of the telescopic boom telescoped in is pivoted over the cab 28 and secured in its transport position.
  • the assembly and erection of the mobile crane in its operating position is carried out in the corresponding reverse order.
  • FIG. 2 is a side view of the mobile crane can be seen, in which the boom consists only of the lower boom part, namely from the lower outer telescopic tube 4, from which the telescopic section 6 is telescoped.
  • Fig. 3 shows a side view of the mobile crane vehicle of the mobile crane in the transport position, in which the telescoped lower part of the telescopic boom is pivoted over the cab 28 and secured in this transport position.
  • Fig. 4 From Fig. 4 it can be seen that seven axles of the nine-axle mobile crane vehicle are steerable. In the operating position, telescopic supports 29, 30 are extended in the manner shown.
  • FIG. 5 shows a side view of a semi-trailer on which the telescoped upper part of the telescopic boom is held.
  • the telescopic parts are moved against one another, and the bores of the bolt connections can be precisely aligned by pivoting and telescoping the lower telescopic part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Vehicle Body Suspensions (AREA)
EP94111262A 1993-08-06 1994-07-19 Grue mobile Expired - Lifetime EP0637563B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9311778U 1993-08-06
DE9311778U DE9311778U1 (de) 1993-08-06 1993-08-06 Mobilkran

Publications (2)

Publication Number Publication Date
EP0637563A1 true EP0637563A1 (fr) 1995-02-08
EP0637563B1 EP0637563B1 (fr) 1997-09-24

Family

ID=6896494

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94111262A Expired - Lifetime EP0637563B1 (fr) 1993-08-06 1994-07-19 Grue mobile

Country Status (3)

Country Link
US (1) US5597078A (fr)
EP (1) EP0637563B1 (fr)
DE (2) DE9311778U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004008868U1 (de) * 2004-06-04 2005-10-13 Liebherr-Werk Ehingen Gmbh System zum Heben/Tragen des Auslegers eines Fahrzeugkrans
DE202004013077U1 (de) * 2004-08-20 2006-03-02 Liebherr-Werk Ehingen Gmbh Fahrzeugkran

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9311781U1 (de) † 1992-10-29 1993-09-30 Siemens AG, 80333 München Kabelstecker für vieladrige Kabel
US5803279A (en) * 1996-09-13 1998-09-08 Pioneer Engineering Automatically deployable load-line receiving mast structure for limiting deflection of proportionally extendable boom section crane
US5704498A (en) * 1996-09-25 1998-01-06 Kidde Industries, Inc. Transportable crane
DE29718478U1 (de) * 1997-10-17 1998-02-19 Ec Engineering + Consulting Spezialmaschinen Gmbh, 89079 Ulm Plungerzylinder als Hydraulikölzuführung
DE10022658B4 (de) * 1999-06-28 2007-10-04 Terex-Demag Gmbh & Co. Kg Teleskopkran
US7137518B2 (en) 1999-06-28 2006-11-21 Terex-Demag Gmbh & Co. Kg Telescopic crane
DE20022790U1 (de) † 1999-06-28 2002-07-04 Demag Mobile Cranes GmbH & Co. KG, 80333 München Teleskopkran
US6481587B2 (en) 2000-03-28 2002-11-19 David J. Higgins Pendant-supported telescoping boom crane
DE20219126U1 (de) * 2002-12-10 2004-04-15 Liebherr-Werk Ehingen Gmbh Teleskopausleger
WO2006089368A1 (fr) * 2005-02-28 2006-08-31 Glen William Lapham Fixation hydraulique for chargeurs a direction a glissement
ES2459719T3 (es) * 2010-12-17 2014-05-12 Manitowoc Crane Group France Sas Sistema telescópico para pluma de grúa y pluma adicional
DE102013009357A1 (de) * 2012-06-11 2013-12-12 Liebherr-Werk Ehingen Gmbh Modularer Mobilkran
JP7013192B2 (ja) * 2017-10-06 2022-01-31 住友重機械建機クレーン株式会社 クレーン、ジブ組立て方法
DE102019122071B3 (de) * 2019-08-16 2020-09-17 Tadano Demag Gmbh Teleskopausleger mit ausklappbarem Mast
WO2023043924A1 (fr) * 2021-09-15 2023-03-23 ARC Ventures LLC Machine d'impression de structure en trois dimensions articulée

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2075866A1 (fr) * 1969-12-31 1971-10-15 Inst Foerdertechnik
US3844418A (en) * 1973-11-29 1974-10-29 Case Co J I Telescoping jib assembly
DE3042287A1 (de) * 1980-11-08 1982-06-09 Fried. Krupp Gmbh, 4300 Essen Ausleger eines teleskopkranes
US4383616A (en) * 1980-12-24 1983-05-17 Kidde, Inc. Luffing jib for construction crane
US4493426A (en) * 1981-10-13 1985-01-15 Kidde, Inc. Attachment jib for cranes
EP0334187A1 (fr) * 1988-03-23 1989-09-27 Liebherr-Werk Ehingen GmbH Grue mobile à flèche extensible

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1279904B (de) * 1967-04-06 1968-10-10 Coles Krane G M B H Auslegermast fuer Krane
US3938670A (en) * 1969-04-09 1976-02-17 General Crane Industries Limited Tower crane
GB1251578A (fr) * 1969-10-03 1971-10-27
US3831771A (en) * 1973-02-16 1974-08-27 Harnischfeger Corp Mobile crane with telescopic boom and jib and method for connecting the latter
US4106631A (en) * 1977-02-18 1978-08-15 J. I. Case Company Fly and jib assembly for crane
FR2409225A1 (fr) * 1977-11-21 1979-06-15 Creusot Loire Perfectionnement aux grues telescopiques
FR2444639A1 (fr) * 1978-12-20 1980-07-18 Potain Sa Equipement de manutention, notamment pour un engin automoteur
FR2528409B1 (fr) * 1982-06-11 1986-02-21 Haulotte Atel Const A Equipement complementaire sur grue automotrice a fleche telescopique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2075866A1 (fr) * 1969-12-31 1971-10-15 Inst Foerdertechnik
US3844418A (en) * 1973-11-29 1974-10-29 Case Co J I Telescoping jib assembly
DE3042287A1 (de) * 1980-11-08 1982-06-09 Fried. Krupp Gmbh, 4300 Essen Ausleger eines teleskopkranes
US4383616A (en) * 1980-12-24 1983-05-17 Kidde, Inc. Luffing jib for construction crane
US4493426A (en) * 1981-10-13 1985-01-15 Kidde, Inc. Attachment jib for cranes
EP0334187A1 (fr) * 1988-03-23 1989-09-27 Liebherr-Werk Ehingen GmbH Grue mobile à flèche extensible

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004008868U1 (de) * 2004-06-04 2005-10-13 Liebherr-Werk Ehingen Gmbh System zum Heben/Tragen des Auslegers eines Fahrzeugkrans
DE202004013077U1 (de) * 2004-08-20 2006-03-02 Liebherr-Werk Ehingen Gmbh Fahrzeugkran

Also Published As

Publication number Publication date
US5597078A (en) 1997-01-28
EP0637563B1 (fr) 1997-09-24
DE59404143D1 (de) 1997-10-30
DE9311778U1 (de) 1994-12-08

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