EP1721804A1 - Underfloor device for lifting railway vehicles - Google Patents

Underfloor device for lifting railway vehicles Download PDF

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Publication number
EP1721804A1
EP1721804A1 EP06009712A EP06009712A EP1721804A1 EP 1721804 A1 EP1721804 A1 EP 1721804A1 EP 06009712 A EP06009712 A EP 06009712A EP 06009712 A EP06009712 A EP 06009712A EP 1721804 A1 EP1721804 A1 EP 1721804A1
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EP
European Patent Office
Prior art keywords
lifting
rail vehicle
track
underground rail
lifting system
Prior art date
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Granted
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EP06009712A
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German (de)
French (fr)
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EP1721804B1 (en
Inventor
Martin Engbers
Stefan Rauss
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Windhoff Bahn und Anlagentechnik GmbH
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Windhoff Bahn und Anlagentechnik GmbH
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Priority to PL06009712T priority Critical patent/PL1721804T3/en
Publication of EP1721804A1 publication Critical patent/EP1721804A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
    • B66F7/14—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K5/00—Apparatus for placing vehicles on the track; Derailers; Lifting or lowering rail vehicle axles or wheels
    • B61K5/04—Devices secured to the track

Definitions

  • the invention relates to an underfloor rail vehicle lifting system of a Bru Hästechniks, which serves to raise tension parts for maintenance purposes above the floor level.
  • a floor-level track has gantries that can be unlocked from the rest of the track and then raised using the underfloor lifting system.
  • the track bridges in adaptation to a particular rail vehicle type, such.
  • the AT-PS 293 753 shows a rolling tester for rail vehicles, in which a track bridge can be raised.
  • the DE-PA 1 056 156 shows a portable lift with a track bridge and arranged in a pit lifting cylinder.
  • the track bridge is only temporarily mounted and serves to be able to move the mobile lift over the pit away, if a change of location of the lift is to take place.
  • the invention has for its object to provide an underfloor rail vehicle lifting system that can be produced as inexpensively and for lifting larger loads such.
  • B. tensile parts is suitable.
  • the invention proposes, instead of the usual, several separate lifting devices, the z. B. may be provided at the four corners of two parallel track bridges, each lifting two lifting devices a track bridge to use only a single central lifting device, which is arranged centrally between the two track bridges.
  • Support arms extend from the lifting device under the track bridges and make it possible to raise or lower the track bridges in the height adjustment of the lifting device.
  • the arrangement of the underfloor lifting systems in the floor of a railway depot or a corresponding workshop can be designed so that a central load of the underfloor lifting system takes place, so that no impermissible tilting moments acting on the central lifting device of the underfloor lifting system and so that for this reason the support at all four corners of such underfloor lifting system is not required.
  • the lifting device may comprise a lifting element, which is designed as a spindle with associated lifting nut, so that in comparison to hydraulic or pneumatic systems reliable leakage freedom can be ensured.
  • a self-locking or self-holding design of the lifting element can be realized: Should the drive for the lifting element fail, not as the track bridge under the load of the tension member drops down, but rather remains due to a self-locking design of the spindle in the current height.
  • the lifting spindles or lifting nuts are inexpensive machine elements which can also be operated with comparatively low driving forces, so that overall a particularly inexpensive embodiment of the system is made possible.
  • a pallet truck is connected to the lifting nut and is movable together with this up and down in dependence on the rotation of the spindle.
  • the pallet truck in turn carries the supporting elements, which extend under the track bridge and lift them.
  • the track bridge seen in the longitudinal direction of the rail, is made of a fixed and a movable part in height.
  • the fixed part consists of a welded on the fixed cover rail track.
  • the fixed cover is supported against the foundation and can thus be in the track longitudinal direction on the rail track transmit acting acceleration and braking forces.
  • the height-adjustable track bridge is located in the lowered position below the fixed track bridge and takes over the load after a small lifting movement.
  • the height-movable track bridge is designed as a cantilever.
  • the fixed cover is designed with a continuous rail track, it is possible, for example, to use to be exchanged bogies or wheelsets in the rail longitudinal direction below the raised load (eg rail vehicle) to be moved.
  • the support column of the central lifting device is firmly connected to the fixed cover so that all forces acting horizontally on the lifting device are transmitted to the foundation.
  • the opening resulting from the lifting of the track bridge in the pit cover is automatically closed by a trailing cover supported by one or more spring elements.
  • the spring elements of the trailing cover are formed as a gas spring.
  • the trailing cover is guided in the horizontal direction as a function of the lifting height by the fixed cover or by the height-movable track bridge.
  • the trailing cover is guided in the horizontal direction as a function of the lifting height by the fixed cover or by the height-movable track bridge.
  • the pallet truck is guided supported against tilting movements.
  • the support is carried out by means of guide rollers, so that the lifting system is smooth, so with comparatively low drive line, based on the weights to be lifted, can be operated.
  • tilting are excluded, as they would not otherwise be excluded in unfavorable cases with guide elements, which are designed as sliding elements instead of roles.
  • the pallet truck is supported against the support pillar via the mentioned guide rollers.
  • the effective lever lengths of the guide elements are relatively small in this support, it has been found in experiments sufficient, very stable support of the lift truck. It is thus achieved that the moving components of the lifting system can be compactly combined, which is advantageous in the production of the lifting system.
  • 1 in each case generally designates an underfloor lifting system, which is arranged sunk in the ground.
  • a support column 3 is arranged, which is firmly anchored in the bottom of the pit 2 and carries an electric drive motor 4, which rotates about a flanged gear 5 a suspended spindle 6 in rotation.
  • On the spindle 6 are two lifting nuts, as the first lifting nut 7 and as Locknut, rotatably mounted, so that during a rotary movement of the spindle 6, the lifting nut 7 runs up and down.
  • the lifting nut is fixedly connected to a lift truck 8, said lift truck 8 carries a support member 9 with support arms 10, wherein the support arms 10 are arranged below a track bridge 11.
  • the track bridge 11 can be raised from its lowered, shown in solid lines and located at floor level position in a maintenance position, which is shown in Fig. 1 in dashed lines.
  • FIG. 1 different circles above the lowered track bridge 11 are shown dash-dotted lines. These circles represent the position of wheels of different railway carriages, wherein the position of the railway carriage on the track bridge 11 depending on the configuration of the railway car is chosen so that the underfloor lifting system 1 is not exposed to impermissible overturning moments, so that ensures reliable plant safety can be.
  • the required high-precision positioning of the railway carriages over the track is easily ensured not only by visual inspection by the workshop staff, but also by additional sensors.
  • the underfloor lifting system 1 can only be put into operation, that is, for example, can only be raised when the position detection sensors, the correct positioning of the railway car signal on the track bridge 11.
  • a control unit of the underfloor lifting system 1 can accordingly be designed and provided with connections for the signals of the sensors.
  • the truck 8 is guided so that it is supported against tilting movements, which by eccentric on the track bridges 11th acting forces can occur.
  • the support takes place by means of guide rollers 12, which are visible in all three representations, as well as by means of supplementary so-called sliding blocks 14 made of plastic, which can be seen in particular from FIG. In this case, the truck 8 is supported against the support column 3.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Soil Working Implements (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Types And Forms Of Lifts (AREA)
  • Control And Safety Of Cranes (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Abstract

Underfloor railway vehicle lifting system (1) has a track bridges (11) provided in a track, with a lifting device, which has upward and downward movable support elements. The support elements are arranged under the track bridges, in such a way, that the track bridges including the traction part can be lifted. The lifting device has a central lifting element from which extends a lifting structure equipped with support and is arranged under two track bridges parallel to each other.

Description

Die Erfindung betrifft eine Unterflur-Schienenfahrzeug-Hebeanlage eines Bahnbetriebswerks, die dazu dient, Zugteile zu Wartungszwecken über das Flurniveau anzuheben.The invention relates to an underfloor rail vehicle lifting system of a Bahnbetriebswerks, which serves to raise tension parts for maintenance purposes above the floor level.

Aus der DE 198 38 483 C1 und der DE 44 05 279 C1 sind derartige Hebeanlagen bekannt. Ein auf Flurniveau verlaufendes Gleis weist Gleisbrücken auf, die vom übrigen Gleis entriegelt werden können und anschließend mittels der Unterflur-Hebeanlage angehoben werden können.From the DE 198 38 483 C1 and the DE 44 05 279 C1 Such lifting systems are known. A floor-level track has gantries that can be unlocked from the rest of the track and then raised using the underfloor lifting system.

Dabei sind beispielsweise die Gleisbrücken in Anpassung an einen bestimmten Schienenfahrzeugtyp, wie z. B. an eine bestimmte Lokomotive, Triebwagen oder Anhänger, oder in Anpassung an einen gesamten, aus mehreren Schienenfahrzeugen bestehenden Zug, derart innerhalb des Gleises angeordnet, dass die Achsen eines Schienenfahrzeugs jeweils über den Gleisbrücken angeordnet sind, die Laufräder des Schienenfahrzeugs also auf den Gleisbrücken aufstehen, so dass durch das Anheben der Gleisbrücken ein komplettes Schienenfahrzeug oder sogar gegebenenfalls ein kompletter Zug angehoben werden kann und nun von unten zu Wartungszwecken zugänglich ist.In this case, for example, the track bridges in adaptation to a particular rail vehicle type, such. As to a specific locomotive, railcar or trailer, or in adaptation to an entire, consisting of several rail vehicles train, arranged within the track, that the axes of a rail vehicle are respectively arranged on the track bridges, the wheels of the rail vehicle so on the track bridges stand up, so that by lifting the track bridges a complete rail vehicle or even possibly a complete train can be raised and is now accessible from below for maintenance purposes.

Selbst wenn nicht ein komplettes Schienenfahrzeug angehoben werden soll, sondern nur einzelne Zugteile - wie Radsätze oder Drehgestelle - demontiert und zu diesem Zweck unter das Gleisniveau abgesenkt werden sollen, müssen sie zunächst angehoben werden, also in ihre Federungen gedrückt werden, um sie von dem betreffenden Schienenfahrzeug lösen zu können. Auf die Unterflur-Hebeanlage des Bahnbetriebswerks wirken daher stets erhebliche Gewichtsbelastungen ein, die höher sind als z. B. bei Automobilhebebühnen in Autowerkstätten.Even if not a complete rail vehicle to be raised, but only individual train parts - such as wheelsets or bogies - disassembled and lowered for this purpose below the track level, they must first be raised, so pressed into their suspensions to them from the relevant To be able to solve rail vehicle. On the underfloor lifting system of the railway depot therefore always have a significant weight loads, which are higher than z. B. in automobile lifts in garages.

Die AT-PS 293 753 zeigt einen Rollenprüfstand für Schienenfahrzeuge, bei dem eine Gleisbrücke angehoben werden kann.The AT-PS 293 753 shows a rolling tester for rail vehicles, in which a track bridge can be raised.

Bei den vorgenannten Unterflur-Hebeanlagen ist nachteilig, dass diese einen erheblichen konstruktiven und wirtschaftlichen Aufwand erfordern.In the aforementioned underfloor lifting systems is disadvantageous that they require a considerable constructive and economic effort.

Die DE-PA 1 056 156 zeigt eine ortsveränderliche Hebebühne mit einer Gleisbrücke und mit in einer Grube angeordnetem Hubzylinder. Die Gleisbrücke wird nur temporär montiert und dient dazu, die ortsveränderliche Hebebühne über die Grube hinweg verfahren zu können, wenn ein Ortswechsel der Hebebühne erfolgen soll.The DE-PA 1 056 156 shows a portable lift with a track bridge and arranged in a pit lifting cylinder. The track bridge is only temporarily mounted and serves to be able to move the mobile lift over the pit away, if a change of location of the lift is to take place.

Aus der US 1 600 597 und der US 3 837 434 sind Hebeanlagen für Automobile bekannt. Gleisbrücken sind dabei jeweils nicht vorgesehen.From the US Pat. No. 1,600,597 and the US 3,837,434 Lifting systems for automobiles are known. Track bridges are not provided in each case.

Aus der US 2 556 652 ist eine Unterflur-Hebeanlage für Antriebsräder oder Antriebseinheiten von Schienenfahrzeugen bekannt. Gleisbrücken anzuheben, ist dabei nicht vorgesehen.From the US 2 556 652 is an underfloor lifting system for drive wheels or drive units of rail vehicles known. Lifting railway bridges is not planned.

Der Erfindung liegt die Aufgabe zugrunde, eine Unterflur-Schienenfahrzeug-Hebeanlage zu schaffen, die möglichst preisgünstig herstellbar und zum Anheben größerer Lasten wie z. B. Zugteilen geeignet ist.The invention has for its object to provide an underfloor rail vehicle lifting system that can be produced as inexpensively and for lifting larger loads such. B. tensile parts is suitable.

Diese Aufgabe wird durch eine Unterflur-Schienenfahrzeug-Hebeanlage mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by an underfloor rail vehicle lifting system with the features of claim 1.

Die Erfindung schlägt mit anderen Worten vor, statt der an sich üblichen, mehreren getrennten Hubeinrichtungen, die z. B. an den vier Ecken von zwei parallelen Gleisbrücken vorgesehen sein können, wobei jeweils zwei Hubeinrichtungen eine Gleisbrücke anheben, lediglich eine einzige zentrale Hubeinrichtung zu verwenden, die mittig zwischen den beiden Gleisbrücken angeordnet ist. Tragarme erstrecken sich von der Hubeinrichtung unter die Gleisbrücken und ermöglichen es, bei der Höhenverstellung der Hubeinrichtung die Gleisbrücken anzuheben oder abzusenken.In other words, the invention proposes, instead of the usual, several separate lifting devices, the z. B. may be provided at the four corners of two parallel track bridges, each lifting two lifting devices a track bridge to use only a single central lifting device, which is arranged centrally between the two track bridges. Support arms extend from the lifting device under the track bridges and make it possible to raise or lower the track bridges in the height adjustment of the lifting device.

Angesichts der hohen Gewichte, die mittels Unterflur-Hebeanlagen angehoben werden, ist eine besonders zuverlässige Abstützung der Gleisbrücken im angehobenen Zustand unabdingbar. Der vorliegende Vorschlag geht von der überraschenden Überlegung aus, dass hierzu nicht notwendigerweise die zunächst einleuchtende Abstützung an allen vier Ecken einer Unterflur-Hebeanlage mit Hilfe von an diesen vier Ecken positionierten vier einzelnen Hubeinrichtungen erforderlich ist, oder die Unterstützung jeder der beiden Gleisbrücken mit jeweils mehreren Hubeinrichtungen, sondern dass vielmehr auch zur Handhabung der typischen, hohen Gewichte eine zentrale Hubeinrichtung ausreichend sein kann. Da die Unterflur-Hebeanlagen stets an einen bestimmten Zugtyp und damit an bestimmte Wagentypen angepasst sind, kann die Anordnung der Unterflur-Hebeanlagen im Boden eines Bahnbetriebswerks bzw. einer entsprechenden Werkstatt so konzipiert werden, dass eine mittige Belastung der Unterflur-Hebeanlage erfolgt, so dass keine unzulässigen Kippmomente auf die zentrale Hubeinrichtung der Unterflur-Hebe-anlage einwirken und so dass aus diesem Grunde die Abstützung an sämtlichen vier Eckpunkten einer derartigen Unterflur-Hebeanlage nicht erforderlich ist. Die durch diese überraschende Erkenntnis mögliche Einsparung von Material ist erheblich, insbesondere unter Berücksichtigung der Überlegung, dass bei der Einrichtung einer Werkstatt bzw. eines Bahnbetriebswerkes mehrere derartiger Unterflur-Hebeanlagen zur Wartung eines Zuges verbaut werden und sich insofern das Einsparungspotenzial einer einzigen Unterflur-Hebeanlage dementsprechend multipliziert.In view of the high weights which are lifted by means of underfloor lifting systems, a particularly reliable support of the track bridges in the raised state is indispensable. The present proposal is based on the surprising consideration that this does not necessarily require the initially obvious support at all four corners of an underfloor lifting system with the aid of four individual lifting devices positioned at these four corners, or the support of each of the two track bridges, each with several Lifting devices, but rather that a central lifting device may be sufficient for handling the typical, high weights. Since the underfloor lifting systems are always adapted to a specific type of train and thus to certain types of wagons, the arrangement of the underfloor lifting systems in the floor of a railway depot or a corresponding workshop can be designed so that a central load of the underfloor lifting system takes place, so that no impermissible tilting moments acting on the central lifting device of the underfloor lifting system and so that for this reason the support at all four corners of such underfloor lifting system is not required. The surprising by this Recognizing possible savings of material is considerable, especially taking into account the consideration that when setting up a workshop or a Bahnbetriebswerkes several such underfloor lifting systems are installed for the maintenance of a train and thus multiplied the savings potential of a single underfloor lifting system accordingly.

Vorteilhaft kann die Hubeinrichtung ein Hubelement aufweisen, welches als Spindel mit zugehöriger Hubmutter ausgestaltet ist, so dass im Vergleich zu hydraulischen oder pneumatischen Systemen eine zuverlässige Leckagefreiheit sichergestellt werden kann. Zudem kann mittels einer solchen Spindel eine selbstsichernde bzw. selbsthaltende Ausgestaltung des Hubelementes verwirklicht werden: Sollte der Antrieb für das Hubelement ausfallen, sinkt nicht etwa die Gleisbrücke unter der Last des Zugteils nach unten ab, sondern bleibt vielmehr aufgrund einer selbsthemmenden Ausgestaltung der Spindel in der momentanen Höhe stehen. Schließlich handelt es sich bei den Hubspindeln bzw. Hubmuttern um preisgünstige Maschinenelemente, die zudem mit vergleichsweise geringen Antriebskräften bedient werden können, so dass insgesamt eine besonders preisgünstige Ausgestaltung der Anlage ermöglicht wird.Advantageously, the lifting device may comprise a lifting element, which is designed as a spindle with associated lifting nut, so that in comparison to hydraulic or pneumatic systems reliable leakage freedom can be ensured. In addition, by means of such a spindle, a self-locking or self-holding design of the lifting element can be realized: Should the drive for the lifting element fail, not as the track bridge under the load of the tension member drops down, but rather remains due to a self-locking design of the spindle in the current height. Finally, the lifting spindles or lifting nuts are inexpensive machine elements which can also be operated with comparatively low driving forces, so that overall a particularly inexpensive embodiment of the system is made possible.

Vorteilhaft kann vorgesehen sein, dass ein Hubwagen mit der Hubmutter verbunden ist und mit dieser gemeinsam auf und ab beweglich ist in Abhängigkeit von der Drehung der Spindel. Der Hubwagen seinerseits trägt die Tragelemente, welche sich unter die Gleisbrücke erstrecken und diese anheben.Advantageously, it can be provided that a pallet truck is connected to the lifting nut and is movable together with this up and down in dependence on the rotation of the spindle. The pallet truck in turn carries the supporting elements, which extend under the track bridge and lift them.

Vorteilhaft kann vorgesehen sein, dass die Gleisbrücke, in Schienenlängsrichtung gesehen, aus einem festen und einem in der Höhe verfahrbaren Teil ausgeführt ist. Der feste Teil besteht aus einem auf die feste Abdeckung aufgeschweißten Schienenstrang. Die feste Abdeckung ist gegen das Fundament abgestützt und kann so die in Gleislängsrichtung auf den Schienenstrang wirkenden Beschleunigungs- und Bremskräfte übertragen. Die in der Höhe verfahrbare Gleisbrücke befindet sich in der abgesenkten Stellung unterhalb der festen Gleisbrücke und übernimmt die Last nach einer geringen Hubbewegung.Advantageously, it can be provided that the track bridge, seen in the longitudinal direction of the rail, is made of a fixed and a movable part in height. The fixed part consists of a welded on the fixed cover rail track. The fixed cover is supported against the foundation and can thus be in the track longitudinal direction on the rail track transmit acting acceleration and braking forces. The height-adjustable track bridge is located in the lowered position below the fixed track bridge and takes over the load after a small lifting movement.

Vorteilhaft kann vorgesehen sein, dass die in der Höhe verfahrbare Gleisbrücke als Kragarm ausgeführt ist. Durch diese Eigenschaft und dadurch, dass die feste Abdeckung mit durchgehendem Schienenstrang ausgeführt ist, können z.B. auszutauschende Drehgestelle oder Radsätze in Schienenlängsrichtung unterhalb der angehoben Last (z. B. Schienenfahrzeug) bewegt werden.Advantageously, it can be provided that the height-movable track bridge is designed as a cantilever. By virtue of this characteristic and in that the fixed cover is designed with a continuous rail track, it is possible, for example, to use to be exchanged bogies or wheelsets in the rail longitudinal direction below the raised load (eg rail vehicle) to be moved.

Vorteilhaft kann vorgesehen sein, dass die Tragsäule der zentralen Hubeinrichtung fest mit der festen Abdeckung verbunden ist, damit alle horizontal auf die Hubeinrichtung wirkenden Kräfte auf das Fundament übertragen werden.Advantageously, it may be provided that the support column of the central lifting device is firmly connected to the fixed cover so that all forces acting horizontally on the lifting device are transmitted to the foundation.

Vorteilhaft kann vorgesehen sein, dass die durch das Anheben der Gleisbrücke in der Grubenabdeckung entstehende Öffnung durch eine nachfahrende, über eine oder mehrere Federelemente abgestützte, Abdeckung automatisch geschlossen wird.Advantageously, it can be provided that the opening resulting from the lifting of the track bridge in the pit cover is automatically closed by a trailing cover supported by one or more spring elements.

Vorteilhaft kann vorgesehen sein, dass die Federelemente der nachfahrenden Abdeckung als Gasdruckfeder ausgebildet sind.Advantageously, it can be provided that the spring elements of the trailing cover are formed as a gas spring.

Vorteilhaft kann vorgesehen sein, dass die nachfahrende Abdeckung in Abhängigkeit der Hubhöhe durch die feste Abdeckung bzw. durch die in der Höhe verfahrbare Gleisbrücke in horizontaler Richtung geführt wird. Dadurch kann auf zusätzliche Gleitelemente zur Führung der nachfahrenden Abdeckung verzichtet werden.Advantageously, it can be provided that the trailing cover is guided in the horizontal direction as a function of the lifting height by the fixed cover or by the height-movable track bridge. As a result, it is possible to dispense with additional sliding elements for guiding the trailing cover.

Vorteilhaft kann vorgesehen sein, dass der Hubwagen gegen Kippbewegungen abgestützt geführt ist. Insbesondere aufgrund der hohen anzuhebenden Gewichtslasten wird so ein sicherer Betrieb der Hebeanlage gewährleistet. Dabei erfolgt die Abstützung mittels Führungsrollen, so dass die Hebeanlage leichtgängig ist, also mit vergleichsweise geringer Antriebsleitung, bezogen auf die anzuhebenden Gewichte, betrieben werden kann. Zudem sind Verkantungen ausgeschlossen, wie sie ansonsten in ungünstigen Fällen bei Führungselementen nicht auszuschließen wären, welche als Gleitelemente statt als Rollen ausgestaltet sind.Advantageously, it can be provided that the pallet truck is guided supported against tilting movements. In particular, due to the high weight loads to be lifted so a safer Operation of the lifting plant guaranteed. The support is carried out by means of guide rollers, so that the lifting system is smooth, so with comparatively low drive line, based on the weights to be lifted, can be operated. In addition, tilting are excluded, as they would not otherwise be excluded in unfavorable cases with guide elements, which are designed as sliding elements instead of roles.

Vorteilhaft kann vorgesehen sein, dass sich der Hubwagen über die erwähnten Führungsrollen gegen die Tragsäule abstützt. Obwohl die wirksamen Hebellängen der Führungselemente bei dieser Abstützung vergleichsweise klein sind, hat sich doch in Versuchen eine ausreichende, sehr stabile Abstützung des Hubwagens herausgestellt. So wird erzielt, dass die beweglichen Bauteile der Hebeanlage kompakt zusammengefasst sein können, was bei der Herstellung der Hebeanlage vorteilhaft ist.Advantageously, it can be provided that the pallet truck is supported against the support pillar via the mentioned guide rollers. Although the effective lever lengths of the guide elements are relatively small in this support, it has been found in experiments sufficient, very stable support of the lift truck. It is thus achieved that the moving components of the lifting system can be compactly combined, which is advantageous in the production of the lifting system.

Ein Ausführungsbeispiel einer vorschlagsgemäßen Unterflur-Hebeanlage wird anhand der rein schematischen Darstellungen nachfolgend näher erläutert. Dabei zeigt

Fig. 1
einen Längsschnitt durch die Unterflur-Hebeanlage,
Fig. 2
einen Horizontalschnitt mit Blickrichtung nach unten durch die Unterflur-Hebeanlage von Fig. 1, und
Fig. 3
einen Querschnitt durch die Unterflur-Hebeanlage von Fig. 1 und 2.
An embodiment of a proposed underfloor lifting system will be explained in more detail below with reference to the purely schematic representations. It shows
Fig. 1
a longitudinal section through the underfloor lifting system,
Fig. 2
a horizontal section looking downward through the underfloor lifting system of Fig. 1, and
Fig. 3
a cross section through the underfloor lifting system of Fig. 1 and 2.

In den Zeichnungen ist mit 1 jeweils allgemein eine Unterflur-Hebeanlage bezeichnet, die im Boden versenkt angeordnet ist. Innerhalb einer Grube 2 ist eine Tragsäule 3 angeordnet, die fest im Boden der Grube 2 verankert ist und einen elektrischen Antriebsmotor 4 trägt, der über ein angeflanschtes Getriebe 5 eine hängend gelagerte Spindel 6 in Drehung versetzt. Auf der Spindel 6 sind zwei Hubmuttern, als erste Hubmutter 7 sowie als Sicherungsmutter, drehfest gelagert, so dass bei einer Drehbewegung der Spindel 6 die Hubmutter 7 auf und ab läuft.In the drawings, 1 in each case generally designates an underfloor lifting system, which is arranged sunk in the ground. Within a pit 2, a support column 3 is arranged, which is firmly anchored in the bottom of the pit 2 and carries an electric drive motor 4, which rotates about a flanged gear 5 a suspended spindle 6 in rotation. On the spindle 6 are two lifting nuts, as the first lifting nut 7 and as Locknut, rotatably mounted, so that during a rotary movement of the spindle 6, the lifting nut 7 runs up and down.

Die Hubmutter ist fest mit einem Hubwagen 8 verbunden, wobei dieser Hubwagen 8 ein Tragelement 9 mit Tragarmen 10 trägt, wobei die Tragarme 10 unterhalb einer Gleisbrücke 11 angeordnet sind. Die Gleisbrücke 11 kann aus ihrer abgesenkten, in durchgezogenen Linien dargestellten und auf Flurniveau befindlichen Stellung in eine Wartungsstellung angehoben werden, die in Fig. 1 in gestrichelten Linien dargestellt ist.The lifting nut is fixedly connected to a lift truck 8, said lift truck 8 carries a support member 9 with support arms 10, wherein the support arms 10 are arranged below a track bridge 11. The track bridge 11 can be raised from its lowered, shown in solid lines and located at floor level position in a maintenance position, which is shown in Fig. 1 in dashed lines.

In Fig. 1 sind unterschiedliche Kreise oberhalb der abgesenkt dargestellten Gleisbrücke 11 strichpunktiert angedeutet. Diese Kreise stellen die Position von Rädern unterschiedlicher Eisenbahnwagen dar, wobei jeweils die Position des Eisenbahnwagens auf der Gleisbrücke 11 in Abhängigkeit von der Ausgestaltung des Eisenbahnwagens so gewählt ist, dass die Unterflur-Hebeanlage 1 keinen unzulässigen Kippmomenten ausgesetzt ist, so dass eine zuverlässige Anlagensicherheit gewährleistet werden kann. Die dazu erforderliche hochgenaue Positionierung der Eisenbahnwagen über dem Gleis ist nicht nur durch optische Kontrolle durch das Werkstattpersonal, sondern auch durch zusätzliche Sensoren problemlos sicherzustellen.In Fig. 1, different circles above the lowered track bridge 11 are shown dash-dotted lines. These circles represent the position of wheels of different railway carriages, wherein the position of the railway carriage on the track bridge 11 depending on the configuration of the railway car is chosen so that the underfloor lifting system 1 is not exposed to impermissible overturning moments, so that ensures reliable plant safety can be. The required high-precision positioning of the railway carriages over the track is easily ensured not only by visual inspection by the workshop staff, but also by additional sensors.

Insbesondere, wenn entsprechende Positions-Erfassungs-Sensoren verwendet werden, kann vorgesehen sein, dass die Unterflur-Hebeanlage 1 nur dann in Betrieb gesetzt werden kann, also beispielsweise nur dann angehoben werden kann, wenn die Positions-Erfassungs-Sensoren die korrekte Positionierung des Eisenbahnwagens auf der Gleisbrücke 11 signalisieren. Eine Steuereinheit der Unterflur-Hebeanlage 1 kann dementsprechend ausgestaltet sein und mit Anschlüssen für die Signale der Sensoren versehen sein.In particular, if corresponding position detection sensors are used, it can be provided that the underfloor lifting system 1 can only be put into operation, that is, for example, can only be raised when the position detection sensors, the correct positioning of the railway car signal on the track bridge 11. A control unit of the underfloor lifting system 1 can accordingly be designed and provided with connections for the signals of the sensors.

Der Hubwagen 8 ist so geführt, dass er gegen Kippbewegungen abgestützt ist, welche durch exzentrisch auf die Gleisbrücken 11 einwirkende Kräfte auftreten können. Die Abstützung erfolgt mittels Führungsrollen 12, die in allen drei Darstellungen ersichtlich sind, sowie mittels ergänzender sogenannter Gleitsteine 14 aus Kunststoff, die insbesondere aus Fig. 2 ersichtlich sind. Dabei stützt sich der Hubwagen 8 gegen die Tragsäule 3 ab.The truck 8 is guided so that it is supported against tilting movements, which by eccentric on the track bridges 11th acting forces can occur. The support takes place by means of guide rollers 12, which are visible in all three representations, as well as by means of supplementary so-called sliding blocks 14 made of plastic, which can be seen in particular from FIG. In this case, the truck 8 is supported against the support column 3.

Claims (12)

Unterflur-Schienenfahrzeug-Hebeanlage (1), mit in einem Gleis vorgesehenen Gleisbrücken (11), und mit einer Hubeinrichtung, welche auf und ab verfahrbare Tragelemente aufweist, die unterhalb der Gleisbrücken (11) angeordnet sind, derart, dass die Gleisbrücken (11) einschließlich eines darauf befindlichen Zugteils anhebbar sind,
wobei die Hubeinrichtung ein zentrales Hubelement aufweist, von dem aus sich ein mit Stützen ausgestattetes Hubgerüst unter zwei parallel nebeneinander angeordnete Gleisbrücken (11) erstreckt.Underground rail vehicle lifting system (1), with track bridges provided in a track (11), and with a lifting device, which has up and down movable support elements, which are arranged below the track bridges (11), such that the track bridges (11) including a tensile member located thereon are liftable,
wherein the lifting device has a central lifting element, from which a mast equipped with supports extends under two track bridges (11) arranged parallel next to one another. Unterflur-Schienenfahrzeug-Hebeanlage nach Anspruch 1, dadurch gekennzeichnet, dass das Hubelement als Spindel (6) mit zugehöriger Hubmutter (7) ausgestaltet ist.Underground rail vehicle lifting system according to claim 1, characterized in that the lifting element is designed as a spindle (6) with associated lifting nut (7). Unterflur-Schienenfahrzeug-Hebeanlage nach Anspruch 2, dadurch gekennzeichnet, dass ein Hubwagen (8) mit der Hubmutter (7) verbunden und entlang der Spindel (6) höhenbeweglich ist, wobei der Hubwagen (8) das Hubgerüst trägt.Underground rail vehicle lifting system according to claim 2, characterized in that a lifting truck (8) with the lifting nut (7) and along the spindle (6) is vertically movable, wherein the lifting truck (8) carries the mast. Unterflur-Schienenfahrzeug-Hebeanlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Gleisbrücken (11), in Schienenlängsrichtung gesehen, jeweils einen festen und einen in der Höhe verfahrbaren Teil aufweisen.Underfloor rail vehicle lifting system according to one of the preceding claims, characterized in that the track bridges (11), seen in the rail longitudinal direction, each have a fixed and a movable part in height. Unterflur-Schienenfahrzeug-Hebeanlage nach Anspruch 4, dadurch gekennzeichnet, dass der in der Höhe verfahrbare Teil der Gleisbrücke (11) als Kragarm ausgeführt ist.Underground rail vehicle lifting system according to claim 4, characterized in that the height-displaceable part of the track bridge (11) is designed as a cantilever. Unterflur-Schienenfahrzeug-Hebeanlage nach Anspruch 4, dadurch gekennzeichnet, dass die zentrale Hubeinrichtung eine Tragsäule (3) aufweist, welche mit dem festen Teil der Gleisbrücke (11) fest verbunden ist.Underground rail vehicle lifting system according to claim 4, characterized in that the central lifting device a support column (3) which is fixedly connected to the fixed part of the track bridge (11). Unterflur-Schienenfahrzeug-Hebeanlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Hubgerüst in einer abgedeckten Grube (2) angeordnet ist,
und dass eine beim Anheben des Hubgerüstes in der Grubenabdeckung entstehende Öffnung durch eine nachfahrende Abdeckung automatisch geschlossen wird.Underground rail vehicle lifting installation according to one of the preceding claims, characterized in that the mast is arranged in a covered pit (2),
and that an opening formed when lifting the mast in the pit cover is automatically closed by a trailing cover. Unterflur-Schienenfahrzeug-Hebeanlage nach Anspruch 7, dadurch gekennzeichnet, dass die Abdeckung über Federelemente abgestützt ist.Underground rail vehicle lifting system according to claim 7, characterized in that the cover is supported by spring elements. Unterflur-Schienenfahrzeug-Hebeanlage nach Anspruch 8, dadurch gekennzeichnet, dass die Federelemente der nachfahrenden Abdeckung als Gasdruckfeder ausgebildet sind.Underground rail vehicle lifting system according to claim 8, characterized in that the spring elements of the trailing cover are formed as a gas pressure spring. Unterflur-Schienenfahrzeug-Hebeanlage nach einem der Ansprüch 7 bis 9, dadurch gekennzeichnet, dass die nachfahrende Abdeckung in Abhängigkeit von der Hubhöhe durch den festen Teil der Gleisbrücke (11) oder durch den in der Höhe verfahrbaren Teil der Gleisbrücke (11) in horizontaler Richtung geführt ist.Underground rail vehicle lifting system according to one of claims 7 to 9, characterized in that the trailing cover depending on the lifting height by the fixed part of the track bridge (11) or by the height-movable part of the track bridge (11) in the horizontal direction is guided. Unterflur-Schienenfahrzeug-Hebeanlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Hubwagen (8) mittels Führungsrollen gegen Kippbewegungen abgestützt geführt ist.Underground rail vehicle lifting installation according to one of the preceding claims, characterized in that the lifting carriage (8) is guided supported by means of guide rollers against tilting movements. Unterflur-Schienenfahrzeug-Hebeanlage nach Anspruch 11, dadurch gekennzeichnet, dass sich der Hubwagen (8) über die Führungsrollen gegen die Tragsäule (3) abstützt.Underground rail vehicle lifting system according to claim 11, characterized in that the lifting carriage (8) via the guide rollers against the supporting column (3) is supported.
EP06009712A 2005-05-14 2006-05-11 Underfloor device for lifting railway vehicles Active EP1721804B1 (en)

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PL06009712T PL1721804T3 (en) 2005-05-14 2006-05-11 Underfloor device for lifting railway vehicles

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DE102005022478A DE102005022478A1 (en) 2005-05-14 2005-05-14 Underfloor lifting system

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CN102050123A (en) * 2010-12-10 2011-05-11 青岛四方车辆研究所有限公司 Load transverse adjusting mechanism for bilateral half-spring type holding head
CN102060027A (en) * 2010-12-10 2011-05-18 青岛四方车辆研究所有限公司 Detection-type locomotive lifting jack support head with weighing function
US20120025158A1 (en) * 2010-06-11 2012-02-02 Yinghao Li Under-floor lifting jack for high-speed electric multiple unit trainset
CN104309636A (en) * 2014-08-18 2015-01-28 青岛四方车辆研究所有限公司 Self-adjusting supporting head
CN111361601A (en) * 2020-04-21 2020-07-03 北京铁道工程机电技术研究所股份有限公司 Car lifting jack system of overhauing
CN111942425A (en) * 2020-08-12 2020-11-17 中铁第一勘察设计院集团有限公司 Wheel set replacing device for 160 km-per-hour power centralized motor train unit

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DE102014114583A1 (en) 2014-10-08 2016-04-14 Windhoff Bahn- Und Anlagentechnik Gmbh Underfloor lifting system
DE102021101275A1 (en) 2021-01-21 2022-07-21 Marko Krönke Apparatus for enabling inspection of the underside of a monorail

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US20120025158A1 (en) * 2010-06-11 2012-02-02 Yinghao Li Under-floor lifting jack for high-speed electric multiple unit trainset
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CN111361601A (en) * 2020-04-21 2020-07-03 北京铁道工程机电技术研究所股份有限公司 Car lifting jack system of overhauing
CN111942425A (en) * 2020-08-12 2020-11-17 中铁第一勘察设计院集团有限公司 Wheel set replacing device for 160 km-per-hour power centralized motor train unit

Also Published As

Publication number Publication date
PL1721804T3 (en) 2007-12-31
DE102005022478A1 (en) 2006-11-16
EP1721804B1 (en) 2007-08-01
ATE368602T1 (en) 2007-08-15
DE502006000048D1 (en) 2007-09-13
ES2288751T3 (en) 2008-01-16

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