EP0779238B1 - Kranfahrzeug - Google Patents
Kranfahrzeug Download PDFInfo
- Publication number
- EP0779238B1 EP0779238B1 EP96118131A EP96118131A EP0779238B1 EP 0779238 B1 EP0779238 B1 EP 0779238B1 EP 96118131 A EP96118131 A EP 96118131A EP 96118131 A EP96118131 A EP 96118131A EP 0779238 B1 EP0779238 B1 EP 0779238B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sliding
- sliding beams
- stability
- beams
- crane
- 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.)
- Revoked
Links
Images
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
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
-
- 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
- B66C23/88—Safety gear
Definitions
- the invention relates to a method for a crane vehicle with one on its superstructure articulated boom, preferably telescopic boom, the by means of a luffing cylinder articulated on this and the superstructure is rockable, with at the opposite end regions the extendable sliding rails arranged on the long sides of the undercarriage, which have extendable support feet at their ends are, and with an overload protection device, the one Signal generated and / or crane operation stops when the crane approaches or exceeds its stability-threatening limits.
- the stability of a crane vehicle with a telescopic boom depends on the size of the load hanging on the telescopic boom among other things from the luffing angle and the extension length of the telescopic boom, from the deflection of the telescopic boom and in particular also from the angle of rotation of the superstructure with telescopic boom to the undercarriage and that through the support feet of the sliding spars defined stand square.
- the stability of the crane is greatest when the jib towards the most extended sliding beam points.
- With retractable struts with extended support feet is the stability in the longitudinal direction of the undercarriage larger than in the direction of its transverse axis.
- the overload protection must therefore always be in the extended state of the sliding beams take into account what can be problematic in that the stability even with different extension lengths of individual Sliding beam changes (see e.g. document EP 0 539 207 A1).
- the object of the invention is therefore to provide a method for a crane vehicle at the outset to create specified type in which the overload protection device the different in a simple and reliable manner Extension lengths of the sliding rails are taken into account.
- this task is performed on a crane vehicle solved type in that the overload protection device during the determination the limits to everyone's stability Crossbars with the shortest extension length of one of the crossbars going out.
- the invention is based on the finding that in the detection the boundaries that endanger the stability of the crane always and will remain reliably on the safe side if regardless of the different extension lengths of the sliding rails always from the smallest extension length of a sliding beam is assumed, which is then independent of the larger extension lengths the other sliding spars are also used, so that only a smaller standing square is taken into account than it may be due to larger extension lengths of individual Sliding beams are present.
- the safety against tipping only the smallest extension length of one of the sliding bars taken into account so that the required stability also is guaranteed if the boom in the direction of the sliding beam has the shortest extension length, the larger Stability in the direction of the sliding beams with larger ones Extend lengths are disregarded.
- one can monitor the bolting of the sliding beams Means can be provided which send a signal to a central Monitoring unit emits when a sliding beam is not bolted is.
- FIG. 1 schematically shows an undercarriage 1 of a crane vehicle can be seen from the sliding spars 2 which are extendable their ends support legs 3, which are supported by hydraulic cylinders perpendicular to the sliding beams in the vertical direction the floor can be extended.
- the sliding beams 2 are in the end regions of the two long sides of the undercarriage 1 and are extendable at right angles to its longitudinal median plane.
- the sliding beams can be Extend in three stages, each in their Guides must be bolted.
- the sliding beams are located 2 in its middle extended state.
- Fig. 1c are the sliding spars with their shortest extension length or in their retracted state, in which the support feet also rest on the floor to support them.
- the sliding spars are extended to different extents, one sliding beam each two in its shortest Extend position, or its retracted position.
- the stand quadrilateral is therefore how it is from the right 2 can be seen, starting from only one state, in which all sliding beams are in their retracted Position.
Description
- Fig. 1a bis 1c
- eine Draufsicht auf den Unterwagen eines Kranfahrzeugs mit unterschiedlich weit ausgefahrenen Schiebeholmen in schematischer Darstellung und
- Fig. 2a bis 2c
- die Erfassung von unterschiedlich weit ausgefahrenen Schiebeholmen für die Ermittlung der Standsicherheit in schematischer Darstellung.
Claims (2)
- Verfahren für ein Kranfahrzeugmit einem an dessen Oberwagen angelenkten Ausleger, vorzugsweise Teleskopausleger, der durch einen an diesem und dem Oberwagen angelenkten Wippzylinder wippbar ist,mit an den einander gegenüberliegenden Endbereichen der Längsseiten des Unterwagens angeordneten ausfahrbaren Schiebeholmen, die an ihren Enden mit ausfahrbaren Stützfüßen versehen sind, undmit einer Überlastsicherungseinrichtung, die ein Signal erzeugt und/oder den Kranbetrieb stoppt, wenn der Kran seine Standsicherheit gefährdenden Grenzen anfährt oder überschreitet, undmit einer den Ausfahrzustand der Schiebeholme erfassende Überwachungseinrichtung, die dem jeweiligen Ausfahrzustand der einzelnen Schiebeholme entsprechende Signale der Überlastsicherungseinrichtung zuführt, dadurch gekennzeichnet, daß die Überlastsicherungseinrichtung bei der Ermittlung der die Standsicherheit gefährdenden Grenzen für sämtliche Schiebeholme von der geringsten Ausfahrlänge eines der Schiebeholme ausgeht.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß eine die Verbolzung der Schiebeholme überwachende Einrichtung vorgesehen ist, die ein Signal an eine zentrale Überwachungseinheit abgibt, wenn ein Schiebeholm nicht verbolzt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29519871U DE29519871U1 (de) | 1995-12-14 | 1995-12-14 | Kranfahrzeug |
DE29519871U | 1995-12-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0779238A1 EP0779238A1 (de) | 1997-06-18 |
EP0779238B1 true EP0779238B1 (de) | 1999-09-15 |
Family
ID=8016742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96118131A Revoked EP0779238B1 (de) | 1995-12-14 | 1996-11-12 | Kranfahrzeug |
Country Status (4)
Country | Link |
---|---|
US (1) | US5813551A (de) |
EP (1) | EP0779238B1 (de) |
JP (1) | JPH09175786A (de) |
DE (2) | DE29519871U1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2674384A1 (de) | 2012-06-13 | 2013-12-18 | Liebherr-Werk Ehingen GmbH | Verfahren zur Überwachung der Kransicherheit sowie Kran |
DE102012011871A1 (de) | 2012-06-13 | 2013-12-19 | Liebherr-Werk Ehingen Gmbh | Verfahren zur Überwachung der Kransicherheit sowie Kran |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19857298C2 (de) * | 1998-12-14 | 2001-03-08 | Klaas Theodor Gmbh & Co | Dachdeckerkran mit Kippsensor |
JP4199719B2 (ja) * | 2004-10-18 | 2008-12-17 | 株式会社興研 | 移動式発電装置の自動揚降制御方法及び自動揚降型架台制御装置 |
WO2007033273A2 (en) * | 2005-09-13 | 2007-03-22 | Romer Incorporated | Vehicle comprising an articulator of a coordinate measuring machine |
DE102008036994A1 (de) | 2008-08-08 | 2010-02-11 | Ifm Electronic Gmbh | Schiebeholm mit integrierter Ausfahrmessung |
RU2012140237A (ru) * | 2011-09-23 | 2014-03-27 | МАНИТОВОК КРЕЙН КАМПЕНИЗ, ЭлЭлСи | Система и способы контроля выносных опор |
DE102011119654B4 (de) * | 2011-11-29 | 2015-11-12 | Liebherr-Werk Ehingen Gmbh | Mobile Arbeitsmaschine, insbesondere Fahrzeugkran |
DE202013003375U1 (de) | 2013-04-11 | 2013-05-22 | Hermann Paus Maschinenfabrik Gmbh | Mobiler Anhängerkran |
DE202013003376U1 (de) | 2013-04-11 | 2013-05-22 | Hermann Paus Maschinenfabrik Gmbh | Mobiler Anhängerkran |
IT202000006757A1 (it) * | 2020-03-31 | 2021-10-01 | Manitou Italia Srl | Simulatore per telehandler. |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3824578A (en) * | 1972-05-22 | 1974-07-16 | H Harders | Attitude indicator for load lifting apparatus and method |
FR2501390A1 (fr) * | 1981-03-05 | 1982-09-10 | Camiva | Dispositif de commande a microprocesseur pour echelle orientable deployable ou bras elevateur analogue |
JPS58212585A (ja) | 1982-06-02 | 1983-12-10 | 日立建機株式会社 | クレ−ン |
FR2534643B1 (fr) * | 1982-10-15 | 1986-12-26 | Bennes Marrel | Dispositif controleur d'etat de charge avec limiteur de capacite de couple pour un circuit hydraulique, notamment sur une grue |
DE3605462A1 (de) * | 1986-02-24 | 1987-08-27 | Mo N Proizv Ob Str Dorozh Mash | Verfahren zur sicherung eines gefahrlosen betriebes von selbstfahrenden auslegerkranen und system zur durchfuehrung desselben |
US4833615A (en) * | 1986-10-15 | 1989-05-23 | A.G.A. Credit | System for the protection of an aerial device having a pivotable boom |
JPH07115838B2 (ja) * | 1989-02-13 | 1995-12-13 | 株式会社彦間製作所 | クレーンの旋回規制機構 |
JPH085623B2 (ja) * | 1989-09-27 | 1996-01-24 | 株式会社神戸製鋼所 | クレーンの安全装置 |
JP2564060B2 (ja) * | 1991-10-24 | 1996-12-18 | 株式会社神戸製鋼所 | 建設機械の安全装置 |
-
1995
- 1995-12-14 DE DE29519871U patent/DE29519871U1/de not_active Ceased
-
1996
- 1996-11-12 DE DE59603061T patent/DE59603061D1/de not_active Revoked
- 1996-11-12 EP EP96118131A patent/EP0779238B1/de not_active Revoked
- 1996-12-12 US US08/764,251 patent/US5813551A/en not_active Expired - Lifetime
- 1996-12-16 JP JP8335670A patent/JPH09175786A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2674384A1 (de) | 2012-06-13 | 2013-12-18 | Liebherr-Werk Ehingen GmbH | Verfahren zur Überwachung der Kransicherheit sowie Kran |
DE102012011871A1 (de) | 2012-06-13 | 2013-12-19 | Liebherr-Werk Ehingen Gmbh | Verfahren zur Überwachung der Kransicherheit sowie Kran |
DE102012011871B4 (de) * | 2012-06-13 | 2020-09-03 | Liebherr-Werk Ehingen Gmbh | Verfahren zur Überwachung der Kransicherheit sowie Kran |
Also Published As
Publication number | Publication date |
---|---|
DE59603061D1 (de) | 1999-10-21 |
EP0779238A1 (de) | 1997-06-18 |
JPH09175786A (ja) | 1997-07-08 |
US5813551A (en) | 1998-09-29 |
DE29519871U1 (de) | 1996-03-21 |
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