EP1205423A1 - Bodenabstützung für fahrbare krane, bagger und dergleichen - Google Patents
Bodenabstützung für fahrbare krane, bagger und dergleichen Download PDFInfo
- Publication number
- EP1205423A1 EP1205423A1 EP01250397A EP01250397A EP1205423A1 EP 1205423 A1 EP1205423 A1 EP 1205423A1 EP 01250397 A EP01250397 A EP 01250397A EP 01250397 A EP01250397 A EP 01250397A EP 1205423 A1 EP1205423 A1 EP 1205423A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- vehicle frame
- floor support
- upper region
- support 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.)
- Withdrawn
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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
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
Definitions
- the invention relates to a floor support for mobile cranes, excavators and the like with several, arranged on the vehicle frame of the crane, excavator and the like Support beams according to the preamble of claim 1.
- a floor support of the generic type is e.g. from DE 297 19 953 U1 known.
- the crane vehicle has one lying in the longitudinal axis of the vehicle Vehicle frame, which with a part of the front end of the vehicle frame and 4-point support assigned to the rear end of the vehicle frame Crane operation is provided.
- Each support consists of an outer and an inside outer support beam slidably arranged inner support beam.
- the respective outer support beam is in an opening of the vehicle frame transverse to the longitudinal axis slidably received, two support beams in the direction of the vehicle frame longitudinal axis are stored one behind the other and parallel to each other.
- At the ends of the respective inner support beam is a vertically displaceable against the ground Support cylinder arranged, at the free end of which there is a support plate.
- the inner and outer hollow support beams are rectangular in cross-section.
- This Embodiment is disadvantageous with respect to the buckling stiffness of the support beams, so that the wall thickness in the area of the top must be chosen accordingly what has an adverse effect on the unusable weight of the crane.
- the object of the invention is to provide a floor support for mobile cranes, excavators and Specify the same, which is cheaper in weight compared to the known Embodiment.
- the support arm consists of a cross section Profile, the lower part of which is U-shaped and the upper part of which is dome-shaped is trained.
- the vehicle frame becomes elastic due to the attached load pressed down as well as the support arms. This means that the top of the Support arms under pressure and the underside of the support arms under tension. Due to the proposed rounding of the upper region of the support arms, the Buckling stiffness increased so that the wall thickness can be reduced accordingly. This means that the support arm becomes lighter overall, making it unusable Dead weight becomes lower.
- the upper area can optionally be semicircular, semi-oval or elliptical be, with the elliptical shape the smaller radius is at the apex.
- the arrangement of the support plate in the end region of the support arms has one
- the cross-sectional shape was found to be advantageous, the two arranged in mirror image has curved sections and a straight horizontal section in the apex region lies.
- the horizontal section is chosen so small that on the one hand the Support cylinder can be attached and on the other hand, the buckling stiffness is not is reduced.
- the two curved sections are as Circular arc sections formed, their respective center offset from the vertical Axis of symmetry.
- the support arms can be made in one piece as a profile section or from two shells are welded together, with the legs of the upper and lower Area against each other.
- Figure 1 is a plan view of a 4-point floor support of a mobile crane shown. It consists of one lying in the longitudinal axis of the crane vehicle Vehicle frame 1 and a rotating crane 2 arranged in the middle, on which the here The superstructure, not shown, is rotatably mounted.
- four axles 3 are provided on the vehicle frame 1, each with two right and left wheels 4.
- it consists of two Support arms 5.1, 5.2 which can be telescoped into one another and one at the free end of the inner support arm 5.2 arranged support cylinder 6 and one thereon attachable support plate 7. Two are seen in the longitudinal axis of the vehicle frame 1 Floor supports arranged one behind the other and parallel to each other.
- Figure 2 shows the arrangement in a perspective view.
- the hollow box-like design of the support arms 5.1, 5.2 can be clearly seen.
- the one known rectangular cross-section visible on the front side 9.
- the load presses, as the arrow 10 shows, on the vehicle frame 1 and accordingly also on the Ground support. Since the ground support corresponds to the direction of the force 10 bends elastically downward, the top 11 is, for example, the inner Support arm 5.2 under pressure and the underside 12 under tension.
- the buckling stiffness is low, so that Wall thickness of the area of the top 11 must be reinforced accordingly. The increases the weight of the support arms 5.1, 5.2 and accordingly the unusable Dead weight of the vehicle frame.
- the cross-section for the support arms 5.1, 5.2 is shown by way of example in four partial images 3a to 3d.
- the respective lower area 13 is U-shaped and the respective upper area 14.1 to 14.4 is dome-shaped.
- the upper region is semicircular in cross section and oval in the second partial image b.
- the cross section of the upper region 14.3 is elliptical, the small radius r of the ellipse being at the apex.
- a preferred embodiment is shown in partial image d.
- the upper area 14.4 consists of two mirror-inverted curved sections 15, 15 'and a horizontal section 16 lying in the apex area.
- this section 16 is chosen to be as small as possible in order to accommodate the support cylinder 6 shown in FIG. 2 on one side to be able to and on the other hand not to lower the dent resistance.
- the two curved sections 15, 15 ' are preferably circular arc sections, the center points M 1 , M 1 ' of which are offset from the vertical axis of symmetry 17.
- cross sections shown in the partial images a to d can be made in one piece as a hollow profile be produced or, as shown in drawing d, consist of two shells, the Legs 18, 18 ', 19, 19' are directed towards each other. You will prefer welded together.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Claims (7)
- Bodenabstützung für fahrbare Krane, Bagger und dergleichen mit mehreren am Fahrzeugrahmen des Krans, Baggers und dergleichen angeordneten Stützträgem, an dessen freien Enden je ein vertikal gegen den Boden verschiebbarer Stützeller anordnenbar ist, wobei jeder Stützträger mindestens einen zwischen einer Fahrrüstposition und einer Arbeitsrüstposition relativ zum Fahrzeugrahmen verstellbaren, hohlkastenartig ausgebildeten Stützarm aufweist, der entweder direkt am Fahrzeugrahmen gelagert oder in einem am Fahrzeugrahmen befestigten Stützkasten ein- und ausschiebbar ist,
dadurch gekennzeichnet, dass der Stützarm (5.1; 5.2) im Querschnitt gesehen aus einem Profil besteht, dessen unterer Bereich (13) U-förmig und dessen oberer Bereich (14.1 - 14.4) kalottenförmig ausgebildet ist. - Bodenabstützung nach Anspruch 1,
dadurch gekennzeichnet, dass der obere Bereich (14.1) halbrund ist. - Bodenabstützung nach Anspruch 1,
dadurch gekennzeichnet, dass der obere Bereich (14.2) halboval ist. - Bodenabstützung nach Anspruch 1,
dadurch gekennzeichnet, dass der obere Bereich (14.3) ellipsenförmig ist mit dem im Scheitelpunkt liegenden kleineren Radius (r). - Bodenabstützung nach Anspruch 1,
dadurch gekennzeichnet, dass der obere Bereich (14.4) zwei spiegelbildlich angeordnete gekrümmte Abschnitte (15, 15') aufweist und im Scheitelbereich ein gerader horizontaler Abschnitt (16) liegt, der nach beiden Seiten hin tangential in den jeweiligen gekrümmten Abschnitt (15, 15') übergeht. - Bodenabstützung nach Anspruch 5,
dadurch gekennzeichnet, dass die gekrümmten Abschnitte (15, 15') als Kreisbogenabschnitte ausgebildet sind, deren jeweiliger Mittelpunkt (M1; M1') versetzt zur vertikalen Symmetrieachse (17) liegt. - Bodenabstützung nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass der obere (14) und untere Bereich (13) des Profils als Schale ausgebildet ist, deren gegeneinanderstehende Schenkel (18, 18'; 19, 19') miteinander verschweißt sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10056799A DE10056799A1 (de) | 2000-11-14 | 2000-11-14 | Bodenabstützung für fahrbare Krane, Bagger und dergleichen |
DE10056799 | 2000-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1205423A1 true EP1205423A1 (de) | 2002-05-15 |
Family
ID=7663515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01250397A Withdrawn EP1205423A1 (de) | 2000-11-14 | 2001-11-09 | Bodenabstützung für fahrbare krane, bagger und dergleichen |
Country Status (4)
Country | Link |
---|---|
US (1) | US6685039B2 (de) |
EP (1) | EP1205423A1 (de) |
JP (1) | JP2002193586A (de) |
DE (1) | DE10056799A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016087414A1 (de) * | 2014-12-01 | 2016-06-09 | Putzmeister Engineering Gmbh | Fahrbare betonpumpe mit abstützvorrichtung |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003118549A (ja) * | 2001-10-15 | 2003-04-23 | Mitsubishi Heavy Ind Ltd | 荷役車両のアウトリガ取付構造 |
CN102275818A (zh) * | 2011-05-18 | 2011-12-14 | 长沙中联重工科技发展股份有限公司 | 拉索式支腿结构及包含该拉索式支腿结构的起重机 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2365169A (en) * | 1943-08-05 | 1944-12-19 | Roy O Billings | Vehicle outrigger |
DE1481863A1 (de) * | 1967-02-27 | 1969-07-17 | Hebezeugwerk Sebnitz Veb | Abstuetzvorrichtung fuer Fahrzeugkrane,Bagger od.dgl. |
DE3506413A1 (de) * | 1985-02-23 | 1986-08-28 | Joh. Tirre oHG Maschinenfabrik, 2903 Bad Zwischenahn | Abstuetzungsvorrichtung eines lkw-ladekranes |
EP0668238A1 (de) * | 1994-02-18 | 1995-08-23 | EC Engineering + Consulting Spezialmaschinen GmbH | Auslegerprofil |
DE29719953U1 (de) * | 1997-11-10 | 1998-12-17 | Ec Engineering + Consulting Spezialmaschinen Gmbh, 89079 Ulm | Kranfahrzeug |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1052836A (de) * | 1964-08-20 | |||
AT293959B (de) * | 1968-01-03 | 1971-11-10 | Menzi Ag Ernst | Haltepratze für Stützfüße an Baumaschinen |
US3784035A (en) * | 1972-04-17 | 1974-01-08 | G Dunbar | Vehicle mounted loading hoist |
DE2317595A1 (de) * | 1973-04-07 | 1974-10-31 | Kaspar Klaus | Teleskopierbare einheit, insbesondere fuer hebezeuge |
US4018458A (en) * | 1975-09-22 | 1977-04-19 | J. I. Case Company | Vehicle stabilizer with adjustable foot |
FR2497182A1 (fr) * | 1980-12-26 | 1982-07-02 | Marquet Jean Marie | Plate-forme de transport et de transfert de charges |
DE29713297U1 (de) * | 1996-07-29 | 1998-03-05 | Liebherr-Werk Ehingen Gmbh, 89584 Ehingen | Teleskopausleger |
DE29913287U1 (de) * | 1999-07-29 | 1999-11-25 | Roos, Stefan, 85049 Ingolstadt | Fahrzeug mit einem Rahmen, der mindestens einen Längsträger aufweist |
-
2000
- 2000-11-14 DE DE10056799A patent/DE10056799A1/de not_active Withdrawn
-
2001
- 2001-11-09 EP EP01250397A patent/EP1205423A1/de not_active Withdrawn
- 2001-11-12 JP JP2001346140A patent/JP2002193586A/ja active Pending
- 2001-11-14 US US09/993,330 patent/US6685039B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2365169A (en) * | 1943-08-05 | 1944-12-19 | Roy O Billings | Vehicle outrigger |
DE1481863A1 (de) * | 1967-02-27 | 1969-07-17 | Hebezeugwerk Sebnitz Veb | Abstuetzvorrichtung fuer Fahrzeugkrane,Bagger od.dgl. |
DE3506413A1 (de) * | 1985-02-23 | 1986-08-28 | Joh. Tirre oHG Maschinenfabrik, 2903 Bad Zwischenahn | Abstuetzungsvorrichtung eines lkw-ladekranes |
EP0668238A1 (de) * | 1994-02-18 | 1995-08-23 | EC Engineering + Consulting Spezialmaschinen GmbH | Auslegerprofil |
DE29719953U1 (de) * | 1997-11-10 | 1998-12-17 | Ec Engineering + Consulting Spezialmaschinen Gmbh, 89079 Ulm | Kranfahrzeug |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016087414A1 (de) * | 2014-12-01 | 2016-06-09 | Putzmeister Engineering Gmbh | Fahrbare betonpumpe mit abstützvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
JP2002193586A (ja) | 2002-07-10 |
US20020070188A1 (en) | 2002-06-13 |
DE10056799A1 (de) | 2002-05-29 |
US6685039B2 (en) | 2004-02-03 |
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Effective date: 20021114 |
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Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: TEREX-DEMAG GMBH & CO. KG |
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17Q | First examination report despatched |
Effective date: 20031117 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20040330 |