EP0845435A1 - Fahrwerk einer Hebevorrichtung - Google Patents
Fahrwerk einer Hebevorrichtung Download PDFInfo
- Publication number
- EP0845435A1 EP0845435A1 EP97250318A EP97250318A EP0845435A1 EP 0845435 A1 EP0845435 A1 EP 0845435A1 EP 97250318 A EP97250318 A EP 97250318A EP 97250318 A EP97250318 A EP 97250318A EP 0845435 A1 EP0845435 A1 EP 0845435A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rail
- running
- running gear
- gear according
- supported
- 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
Links
- 239000000725 suspension Substances 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/02—Runways, tracks or trackways for trolleys or cranes for underhung trolleys or cranes
- B66C7/04—Trackway suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
- B66C11/06—Underhung trolleys running on monorails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/08—Trolleys or crabs, e.g. operating above runways with turntables
- B66C11/10—Trolleys or crabs, e.g. operating above runways with turntables equipped with jibs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/02—Hoists or accessories for hoists
- B66D2700/023—Hoists
Definitions
- the invention relates to a chassis of a lifting device, in particular with a laterally projecting boom, according to the preamble of claim 1.
- a trolley for trolleys is known, the two Has impellers, each on an inner horizontal side surface of a support in its longitudinal direction downwards open hollow profile rail and are rotatably mounted on an impeller.
- the impeller is designed that it extends down through the opening of the rail and a Forms connection element on which the load to be lifted hangs.
- the connector is further provided with a horizontal cross member, on which two by a vertical Axis rotatable support rollers are arranged, each on an outer vertical side surface with a component perpendicular to the supporting force of a Support the impeller.
- the undercarriage is driven by one on the outer surface of the lower one Drive roller attached to the flange.
- Such a chassis is only suitable for rails that are open to the sides are formed and have a web so that support rollers on both sides of the Bridges can be brought to the plant.
- a downward open, however otherwise closed, hollow-profile rail without a web inside is a such chassis not applicable, especially since the wheels are within move the rail on both sides above the opening and therefore not on one U-shaped chassis frames arranged outside the rail can be supported.
- the object of the invention is a movable in a hollow profile rail Design the chassis in such a way that the running wheels can be lifted off the rail experience a louse equalization, so that even with rigid suspension of the rail Smooth running is achieved and heavy wear is prevented.
- the invention provides in a first variant that the impeller carrier and Connection element are supported on one another in a joint that the least supports a support roller inside the rail and that at least one in Connection element mounted roller on at least one outer tread of the Rail with a force that supports a component against the direction of force an impeller.
- a chassis allows Horizontal forces are effective in the side surfaces of the hollow profile-shaped rail initiate, so that there is no destruction or to rigidly suspended rails no heavy wear and no twisting of the chassis and / or the Rail is coming. Jamming of the undercarriage is largely avoided, so that the running gear runs smoothly even when using one vertical axis of the swiveling boom is achieved, the changing vertical forces generated.
- the joint is a universal joint that is large Angular range is articulated.
- a more stable embodiment results if the at least one support roller on Connection element is rotatably supported in the upper region.
- a smoother running of the chassis is achieved in that the wheels in Direction of travel are arranged one behind the other.
- the treads are used to ensure self-centering chassis guidance the rail is arranged at an angle to each other and the running surfaces of the wheels are crowned educated.
- the smooth running of the chassis is ensured in particular by the fact that the gimbal-formed hinge from a rigid with the connector connected ball head and a ball socket arranged on the impeller is formed.
- a simple adjustment or adjustment can be achieved in that the from below on a horizontal outer tread formed on the rail adjustable roller via an eccentric bearing in the direction of the rail can be adjusted below, leaving play between the roller and the rail, especially to compensate for rail tolerances. As a result, the after vertical forces directed above are safely guided into the rail.
- connection element is on both sides Rollers are arranged and that the rail on both sides horizontal outer Has treads for the rollers.
- a particularly stable undercarriage is obtained by having two in parallel rails arranged to each other on a rail a pair of bogies and a single running gear is provided on the other rail.
- the invention provides in a second variant that the at least a roller itself with a component opposite to the supporting force of a Supported wheel on the rail and that the pair of elements is a ball joint.
- the use of the ball joint results in a rigid suspension of the rails to reduce the horizontal forces and constraints that occur during operation.
- a simple eccentric bearing results when the roller is on its axis is arranged eccentrically.
- the freedom of play can be achieved by setting what a practical adaptation to the conditions of the rail and the chassis enables.
- Fig. 1 shows a view of a chassis 1 of a rail movable Lifting device.
- the chassis 1 has one behind the other and seen in the direction of travel in pairs parallel to each other arranged crowned wheels 2, which are arranged on both sides of a connecting element 3.
- crowned wheels 2 which are arranged on both sides of a connecting element 3.
- impellers 2 possible.
- support rollers 4 In the upper part of the Connection element 3 are seen between the impellers 2 in the direction of travel arranged support rollers 4 rotatably.
- the vertical axes of rotation 5 of the support rollers 4 are supported on the connecting element 3.
- In the embodiment is on each side of the Connection element 3 exactly one support roller 4 is provided.
- the support rollers 4 can also be arranged in front of and / or behind the wheels 2, wherein a pairwise arrangement transverse to the direction of travel is particularly useful has proven.
- a single large support roller 4 is also conceivable.
- the area of the connection element is on both sides in a vertical plane revolving roller 6 provided.
- Fig. 2 shows a cross section through a chassis, which is inside one after open hollow profile-shaped rail 7 is located below.
- the rail 7 has a cold-rolled special profile, resulting in a low weight and good Strength and stiffness values can be achieved.
- the roll Impellers 2 on substantially horizontal inner treads 8, which are easy are arranged obliquely to each other and extend in the longitudinal direction of the rail.
- the two support rollers 4 are inside the rail 7 on at least one side surface 7a unrollable.
- the arrangement can be designed so that in the central position, that is if there are no horizontal forces, there is a game. This way is included Occurrence of horizontal forces to be derived only one of the support rollers 4 one of the side walls 7a of the rail 7, introducing these forces into the Rail 7.
- Fig. 2 can also be seen that the connecting element for fastening a load protrudes from the bottom of the rail 1.
- a play-free, quasi “rigid" connection between chassis 1 and rail 7 is due to the eccentric bearing Guaranteed rollers 6 adjustable from below in the direction of the rail.
- the Adjustment of the rollers 6 takes place, for example, once after inserting the Running gear 1 in the rail leaving a game, e.g. of 1 mm; a Readjustment is possible at any time during operation.
- the Adjustment of the rollers 6 from below to a horizontal outer tread 15 of the rail 1, on which it is supported with a force that is a component has against the direction of force of the impeller 2.
- the rollers 6 eccentrically mounted on an axis 14, via which the rollers 6 in turn on Connection element 3 are stored.
- FIG. 3 Another variant of the chassis 1 is shown in Fig. 3.
- Impeller 10 and the connecting element 3 rigidly connected to each other, d. H. the articulated connection of these two components is missing in this variant of the chassis 1.
- the part protruding from the rail below has a pair of elements, which is designed as a ball joint 20, which consists of a on the connecting element 3rd trained ball socket 21 and from one inserted into the ball socket Ball head 22 exists, the ball head 22 via a support element 23 (for example a load hook) can be connected to a load.
- a support element 23 for example a load hook
- Impeller 10 via which the connecting element 3 as part of the impeller 10) two rollers 6 rotatably mounted, each on an outer side 15 of the Support rail 7, with a component opposite to the supporting force of the Wheels 2.
- the two rollers 6 are adjustable on their axis 14 eccentric arranged.
- Fig. 4 shows a cross section through a formed from chassis 1 Complete undercarriage, for example a trolley of a suspension crane on which for example, a hoist (not shown) can be moved. It is essential with this Overall chassis that the connecting elements 3 of the on different rails arranged trolleys are rigidly connected to one another by a cross member 31, as shown in cross section in FIG. 5. Such an overall chassis already shows very good running and load properties. Get a significant improvement one if you combine at least two pairs of trolleys 1. To do this the connecting elements 3 of the running gear 1 arranged on different rails which are at the same height as seen in the direction of travel, each by a Traverse connected together. The longitudinal direction expediently close the cross member 31 and the longitudinal direction of the rail each an angle of 90 °.
- a such a complete chassis, consisting of four over cross members 31 rigid interconnected trolleys 1, can be very well with a boom 30th use, since all horizontal forces are effectively introduced into the rails 1. It is possible, as shown in Fig. 6, the boom 30 by a vertical To arrange the swivel axis pivotably. It has been shown that with this Arrangement when swiveling a load almost no vertical lowering of the Load takes place, so that an operator with little effort The load can be swiveled into any position.
- Such 7 shows a suspension crane with trolley in a schematic representation.
- a stable running of the entire undercarriage can also be achieved with a Achieve three-point support by placing two parallel to each other Rails 7 on a rail 7 a pair of trolleys 1 and on the other Rail a single chassis 1 are arranged.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Abstract
Description
- Fig. 1
- eine Ansicht eines Fahrwerkes,
- Fig. 2
- einen Querschnitt durch ein Fahrwerk und eine Schiene gemäß Fig. 1,
- Fig. 3
- eine Ansicht einer weiteren Variante eines Fahrwerkes,
- Fig. 4
- eine Laufkatze eines Hängekrans,
- Fig. 5
- einen Querschnitt durch zwei starr miteinander verbundene Fahrwerke einer Laufkatze gemäß Fig. 4,
- Fig. 6
- eine Laufkatze eines Hängekrans mit einem um eine vertikale Achse schwenkbaren Ausleger und
- Fig. 7
- einen Hängekran mit Laufkatze in schematischer Darstellung.
- 1
- Fahrwerk
- 2
- Laufrad
- 3
- Anschlußelement
- 4
- Stützrolle
- 5
- Drehachse
- 6
- Laufrolle
- 7
- Schiene
- 7a
- Seitenfläche der Schiene
- 8
- innere Lauffläche
- 9
- Achse des Laufrads
- 10
- Laufradträger
- 11
- Gelenk
- 12
- Kugelpfanne
- 13
- kugelförmige Fläche
- 14
- Achse der Lauffrolle
- 15
- äußere Lauffläche
- 16
- Gleitrolle
- 20
- Kugelgelenk
- 21
- Kugelpfanne
- 22
- Kugelkopf
- 23
- Tragelement
- 30
- Ausleger
- 31
- Traverse
- 33
- vertikale Schwenkachse
Claims (18)
- Fahrwerk einer Hebevorrichtung, insbesondere mit einem seitlich herauskragenden Ausleger, das mindestens zwei Laufräder aufweist, die sich auf verschiedenen inneren Seitenflächen einer in ihrer Längsrichtung nach unten offenen hohlprofilförmigen Schiene abstützen und die an einen Laufradträger drehbar gelagert sind, der mit einem Anschlußelement verbunden ist, an dem die zu hebende Last hängt und an dem wenigstens eine Stützrolle drehbar angeordnet ist, die sich mit einer Komponente senkrecht zur Stützkraft eines Laufrades an der Schiene abstützt,
dadurch gekennzeichnet,
daß der Laufradträger (10) und das Anschlußelement (3) über ein Gelenk (11) ineinander gestützt sind, daß sich die wenigstens eine Stützrolle (4) im Innern der Schiene (7) abstützt und daß sich mindestens eine im Anschlußelement (3) gelagerte Laufrolle (6) an wenigstens einer äußeren Lauffläche (15) der Schiene (7) mit einer Kraft abstützt, die eine Komponente entgegen der Kraftrichtung eines Laufrades (2) aufweist. - Fahrwerk nach Anspruch 1,
dadurch gekennzeichnet,
daß das Gelenk (11) ein Kardangelenk ist. - Fahrwerk nach einem der Ansprüche 1 oder 2,
dadurch gekennzeichnet,
daß die wenigstens eine Stützrolle (4) im oberen Bereich des Anschlußelements (3) drehbar abgestützt ist. - Fahrwerk nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß die Laufräder (2) in Fahrtrichtung hintereinander angeordnet sind. - Fahrwerk nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die Laufflächen (8) der Schiene (7) schräg zueinander angeordnet und die Laufflächen der Laufräder (2) ballig ausgebildet sind. - Fahrwerk nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
daß mindestens zwei an jeweils einer Seitenfläche (7a) abrollbare Stützrollen (4) vorliegen. - Fahrwerk nach einem der Ansprüche 1 oder 2,
dadurch gekennzeichnet,
daß das kardanisch ausgebildete Gelenk (11) aus einem starr mit dem Anschlußelement (3) verbundenen Kugelkopf (22) und einer am Laufradträger (10) angeordneten Kugelpfanne (21) gebildet ist. - Fahrwerk nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet,
daß eine Stützrolle (4) in Fahrtrichtung gesehen zwischen den Laufrädern (2) angeordnet ist. - Fahrwerk nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet,
daß die Stützrollen (4) in Fahrtrichtung gesehen vor und hinter den Laufrädern (2) angeordnet sind. - Fahrwerk nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet,
daß die Laufrolle (6) über eine exzentrische Lagerung in Richtung der Schiene (7) von unten anstellbar ist. - Fahrwerk nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet,
daß am Anschlußelement (3) beidseitig Laufrollen (6) angeordnet sind und daß die Schiene (7) beidseitig horizontale äußere Laufflächen (15) für die Laufrollen (6) aufweist. - Fahrwerk nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet,
daß sich Fahrwerke (1) in parallel angeordneten Schienen (7) befinden und die Anschlußelemente (3) starr miteinander verbunden sind. - Fahrwerk nach Anspruch 12,
dadurch gekennzeichnet,
daß bei zwei parallel zueinander angeordneten Schienen (7) an einer Schiene (7) ein paar von Fahrwerken (1) und an der anderen Schiene ein einzelnes Fahrwerk (1) vorgesehen sind. - Fahrwerk einer Hebevorrichtung, insbesondere mit einem seitlich herauskragenden Ausleger, das mindestens zwei Laufräder aufweist, die sich auf verschiedenen inneren Seitenflächen einer in ihrer Längsrichtung nach unten offenen hohlprofilförmigen Schiene abstützen und die an einem Laufradträger drehbar gelagert sind, an den ein Elementenpaar zur Aufnahme der Last angeordnet ist und an den zumindest eine Laufrolle drehbar gelagert ist, die sich an einer Außenseite der Schiene abstützt und die eine spielfreie Verbindung zwischen Schiene und Fahrwerk gewährleistet,
dadurch gekennzeichnet,
daß die mindestens eine Laufrolle (6) sich mit einer Komponente entgegengesetzt zur Stützkraft eines Laufrades (2) an der Schiene (7) abstützt und daß das Elementenpaar (8) ein Kugelgelenk (20) ist. - Fahrwerk nach Anspruch 14,
dadurch gekennzeichnet,
daß die spielfreie Verbindung mit einer exzentrischen Lagerung erzielt wird. - Fahrwerk nach Anspruch 15,
dadurch gekennzeichnet,
daß die exzentrische Lagerung durch eine exzentrische Anordnung der Laufrolle (6) auf ihrer Achse (14) erzielt wird. - Fahrwerk nach einem der Ansprüche 14 bis 16,
dadurch gekennzeichnet,
daß die Spielfreiheit durch Einstellung erzielt. - Fahrwerk nach einem der Ansprüche 14 bis 17,
dadurch gekennzeichnet,
daß beidseits des Laufradträgers (10) zumindest je eine Laufrolle (6) angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19651007 | 1996-11-29 | ||
DE19651007 | 1996-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0845435A1 true EP0845435A1 (de) | 1998-06-03 |
EP0845435B1 EP0845435B1 (de) | 2003-03-26 |
Family
ID=7814058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97250318A Expired - Lifetime EP0845435B1 (de) | 1996-11-29 | 1997-10-27 | Fahrwerk einer Hebevorrichtung |
Country Status (7)
Country | Link |
---|---|
US (1) | US6058849A (de) |
EP (1) | EP0845435B1 (de) |
JP (1) | JP4031856B2 (de) |
KR (1) | KR19980042896A (de) |
CA (1) | CA2222826A1 (de) |
DE (2) | DE59709614D1 (de) |
ES (1) | ES2190507T3 (de) |
Cited By (3)
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---|---|---|---|---|
WO2007039338A1 (de) * | 2005-10-01 | 2007-04-12 | Demag Cranes & Components Gmbh | Vorrichtung zum aufhängen einer schiene, insbesondere einer fahrschiene eines hängeförderers oder eines hebezeugs |
CN107650920A (zh) * | 2017-09-13 | 2018-02-02 | 秦皇岛鸿鼎轻工机械技术有限公司 | 双轨吊挂式轨道车 |
CN114014165A (zh) * | 2022-01-05 | 2022-02-08 | 河南巨人起重机集团有限公司 | 一种无人自动化钢卷悬吊搬运防护型起重机 |
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DE19725644A1 (de) * | 1997-06-18 | 1998-12-24 | Alsthom Cge Alcatel | Bahn für mittels Weichen verzweigte Schienenstränge |
DE19816576C2 (de) * | 1998-04-08 | 2003-05-15 | Demag Cranes & Components Gmbh | Fahrwerk, insbesondere für Hubwerke |
US6695120B1 (en) * | 2000-06-22 | 2004-02-24 | Amkor Technology, Inc. | Assembly for transporting material |
US6889813B1 (en) | 2000-06-22 | 2005-05-10 | Amkor Technology, Inc. | Material transport method |
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DE20302643U1 (de) * | 2003-02-18 | 2003-05-08 | Winden Und Maschb Gresbach Gmb | Laufkatze |
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ATE528248T1 (de) * | 2005-07-21 | 2011-10-15 | Mhe Technologies Inc | Laufkran |
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- 1997-10-27 DE DE59709614T patent/DE59709614D1/de not_active Expired - Lifetime
- 1997-10-27 EP EP97250318A patent/EP0845435B1/de not_active Expired - Lifetime
- 1997-10-27 ES ES97250318T patent/ES2190507T3/es not_active Expired - Lifetime
- 1997-10-27 DE DE19748949A patent/DE19748949C2/de not_active Expired - Fee Related
- 1997-11-03 US US08/963,352 patent/US6058849A/en not_active Expired - Lifetime
- 1997-11-28 CA CA002222826A patent/CA2222826A1/en not_active Abandoned
- 1997-11-28 KR KR1019970063893A patent/KR19980042896A/ko active IP Right Grant
- 1997-11-28 JP JP34372997A patent/JP4031856B2/ja not_active Expired - Fee Related
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US2778512A (en) * | 1955-02-28 | 1957-01-22 | Secondo B Strona | Portable truck crane |
DE1956894U (de) * | 1966-10-26 | 1967-03-09 | Abus Foerdertechnik K G | Fahrwerk fuer laufkatzen od. dgl. |
US4172423A (en) * | 1976-12-10 | 1979-10-30 | Maxime Monne | Tracked vehicle systems |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007039338A1 (de) * | 2005-10-01 | 2007-04-12 | Demag Cranes & Components Gmbh | Vorrichtung zum aufhängen einer schiene, insbesondere einer fahrschiene eines hängeförderers oder eines hebezeugs |
US7503263B2 (en) | 2005-10-01 | 2009-03-17 | Demag Cranes & Components Gmbh | Device for suspending a rail of an overhead conveyor or a hoisting machine |
US7784627B2 (en) | 2005-10-01 | 2010-08-31 | Demag Cranes & Components Gmbh | Device for suspending a rail, particularly a running rail of an overhead conveyor or of a lifting apparatus |
CN101272981B (zh) * | 2005-10-01 | 2012-08-01 | 德马格起重机及部件有限公司 | 用于悬挂导轨的装置 |
CN107650920A (zh) * | 2017-09-13 | 2018-02-02 | 秦皇岛鸿鼎轻工机械技术有限公司 | 双轨吊挂式轨道车 |
CN114014165A (zh) * | 2022-01-05 | 2022-02-08 | 河南巨人起重机集团有限公司 | 一种无人自动化钢卷悬吊搬运防护型起重机 |
CN114014165B (zh) * | 2022-01-05 | 2022-03-25 | 河南巨人起重机集团有限公司 | 一种无人自动化钢卷悬吊搬运防护型起重机 |
Also Published As
Publication number | Publication date |
---|---|
DE19748949C2 (de) | 1999-06-02 |
JPH10167660A (ja) | 1998-06-23 |
JP4031856B2 (ja) | 2008-01-09 |
DE19748949A1 (de) | 1998-07-23 |
CA2222826A1 (en) | 1998-05-29 |
KR19980042896A (ko) | 1998-08-17 |
DE59709614D1 (de) | 2003-04-30 |
US6058849A (en) | 2000-05-09 |
EP0845435B1 (de) | 2003-03-26 |
ES2190507T3 (es) | 2003-08-01 |
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