EP4001046B1 - Dispositif de maintenance pour véhicules ferroviaires, train de roulement d'un véhicule ferroviaire et procédé de maintenance - Google Patents

Dispositif de maintenance pour véhicules ferroviaires, train de roulement d'un véhicule ferroviaire et procédé de maintenance Download PDF

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Publication number
EP4001046B1
EP4001046B1 EP21207770.5A EP21207770A EP4001046B1 EP 4001046 B1 EP4001046 B1 EP 4001046B1 EP 21207770 A EP21207770 A EP 21207770A EP 4001046 B1 EP4001046 B1 EP 4001046B1
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EP
European Patent Office
Prior art keywords
maintenance
running gear
track
carrying apparatus
chassis
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.)
Active
Application number
EP21207770.5A
Other languages
German (de)
English (en)
Other versions
EP4001046A1 (fr
Inventor
Thomas CZERWINKA
Alois Kormann
Erich Deutscher
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.)
Siemens Mobility Austria GmbH
Original Assignee
Siemens Mobility Austria 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
Application filed by Siemens Mobility Austria GmbH filed Critical Siemens Mobility Austria GmbH
Publication of EP4001046A1 publication Critical patent/EP4001046A1/fr
Application granted granted Critical
Publication of EP4001046B1 publication Critical patent/EP4001046B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B15/00—Combinations of railway systems
    • 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
    • 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
    • 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
    • B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B66F7/18—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by a single central jack
    • 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
    • B66F7/26—Lifting frames, e.g. for lifting vehicles; Platform lifts for selective lifting of parts of vehicles
    • 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
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

Definitions

  • the invention relates to a maintenance facility with a maintenance track and a transport facility for rail vehicles, wherein the transport facility is designed for dismantling a chassis from a rail vehicle, for assembling the chassis in the rail vehicle and for transporting the chassis and comprises a transport track and at least one first carrying device connected to the transport track and movable on the transport track, wherein the maintenance track and the transport track are arranged to cross one another.
  • Rail vehicles require technically complex maintenance facilities, which are usually provided in vehicle depots or maintenance stations. In particular, extensive precautions are required for the removal or installation of running gear from or into rail vehicles. For such removal and installation procedures, the rail vehicle car bodies are often lifted and the running gear is rolled out from under the car bodies on a maintenance track so that maintenance personnel can access it. These removal and installation procedures require large facilities that require a lot of space and must be designed to lift large masses.
  • the state of the art is the CN111469884A It shows a portal-shaped lifting device for the chassis of rail vehicles.
  • a chassis is arranged on a base plate of the lifting device, which has two guide rails. Wheels of the chassis are guided in the guide rails.
  • a chassis frame can be lifted using lifting devices which are guided downwards to the chassis from a cover plate of the lifting device arranged above the chassis.
  • the KR 10-2114867 B1 a track-guided vehicle with a scissor lift on its base plate.
  • the scissor lift has a platform with a railing.
  • RU 2 099 222 C1 a device for exchanging the running gear of rail vehicles.
  • the device is guided in a pit on a track and comprises a lifting platform, via which a running gear arranged above the pit and below a rail vehicle can be lowered.
  • the invention is based on the object of specifying a maintenance device which is further developed compared to the prior art and which enables the removal of a chassis of a rail vehicle from a side flank of the rail vehicle.
  • this object is achieved with a maintenance device according to claim 1, in which the at least first support device is designed such that the chassis can be supported by a support structure designed as a chassis frame at The car body arranged above the chassis can be supported on at least the first support device.
  • This measure has the advantage that the chassis can be removed and installed in a short amount of time.
  • the rail vehicle does not have to be moved during the dismantling or assembly of the chassis, i.e. it can remain parked in its position on the maintenance track.
  • Maintenance work on the car body can be carried out at the same time as the installation or removal of the chassis, its transport on the transport track and maintenance work on the chassis.
  • the maintenance facility is universal, i.e. it can be used for different designs of running gear, as well as for different types of maintenance tracks (for example also for elevated maintenance tracks).
  • the maintenance device according to the invention is simple and can be retrofitted in an existing depot or in an existing maintenance station. Setting up and dismantling the maintenance device according to the invention requires little effort.
  • the chassis can be removed from or installed into the rail vehicle either transversely or diagonally to the maintenance track.
  • At least the first carrying device is designed as a lifting platform.
  • a favorable solution is further achieved if the at least first carrying device is connected to the transport track via a plurality of rollers.
  • This measure creates a low mechanical resistance to movements of the first support device on the transport track.
  • An advantageous embodiment is further achieved if the at least first carrying device has a travel drive.
  • a remote control or a radio remote control is provided to control movements of at least the first carrying device.
  • This measure makes it possible for maintenance personnel to control the maintenance facility in the immediate vicinity of the first carrying device, but also from a greater distance (e.g. from a cockpit).
  • An advantageous use of the maintenance device is achieved with a chassis of a rail vehicle supported on the at least first support device of the maintenance device via a support structure designed as a chassis frame.
  • the support structure is reinforced in at least one contact area with the at least first support device. This measure prevents damage and excessive wear of the chassis in the contact area with the first support device due to the contact between the chassis and the first support device during lifting and lowering operations of the chassis.
  • An efficient procedure with regard to the removal of the chassis from the rail vehicle is achieved with a maintenance method in which at least one first support device, designed as a lifting platform and movably connected to a transport track guided under the chassis, is guided under the chassis arranged on a maintenance track, that a lifting platform of the at least first support device is raised until the undersides of the wheel flanges of the wheels of the chassis are arranged above the top edges of the rails of the maintenance track, that the chassis is decoupled from a car body of a rail vehicle arranged above it, and that the at least first support device with the chassis supported on it is guided away from the maintenance track on the transport track.
  • at least one first support device designed as a lifting platform and movably connected to a transport track guided under the chassis, is guided under the chassis arranged on a maintenance track, that a lifting platform of the at least first support device is raised until the undersides of the wheel flanges of the wheels of the chassis are arranged above the top edges of the rails of the maintenance track, that the chassis
  • a rapid and efficient installation of the running gear in the rail vehicle is achieved if the at least first support device with the running gear supported thereon is guided on the transport track to the maintenance track until the wheels of the running gear are aligned with the maintenance track, the running gear is coupled to the car body, the lifting platform of the at least first support device is lowered until the running gear is supported on the maintenance track, and the at least first support device is guided away from the maintenance track on the transport track.
  • FIG.1 The first side elevation of an exemplary embodiment of a maintenance device according to the invention shows a side view of a first support device 1 and a chassis 2 of a rail vehicle.
  • the maintenance facility has a maintenance track 3 and a transport device, wherein the transport device is used in particular for dismantling or removing the chassis 2 from the rail vehicle, for assembling or installing the chassis 2 in the rail vehicle and for transporting the chassis 2 (e.g. from the maintenance track 3 to a Fig.1 not shown maintenance area and back to the maintenance track 3).
  • the transport device comprises a transport track 4 and the first carrying device 1 connected to the transport track 4 and movable on the transport track 4.
  • a maintenance pit 5 is provided beneath the maintenance track 3, which has two rails.
  • the running gear 2 is Fig.1 wheels not shown.
  • the first carrying device 1 is mounted on the transport track 4 via its rollers, which form a first wheel set 6 and a second wheel set 7 of the first carrying device 1.
  • the first wheel set 6 and the second wheel set 7 are mounted in a base frame 8 of the first carrying device 1.
  • the maintenance track 3 and the transport track 4 overlap and cross each other, i.e. are arranged at an angle of 90 ° to each other.
  • the maintenance track 3 and the transport track 4 are arranged at an angle other than 90 °, advantageously this other angle is greater than 30 ° and less than 150 °, ie obliquely to each other.
  • the first support device 1 is designed as a track-guided lifting platform and has a Fig.2 electro-hydraulic lifting drive 9 shown and a Fig.2 shown electric drive 10.
  • a radio and battery-based remote control 12 is provided, which is assigned to the transport device. Fig.1 a control signal 13 from the remote control 12 to the first carrying device 1 and a status signal 14 from the first carrying device 1 to the remote control 12 are visible.
  • a radio remote control can also be provided for controlling the first carrying device 1 from a great distance.
  • the first carrying device 1 is guided on the transport track 4 under the chassis 2, the chassis is lifted by means of a lifting process of the lifting platform 11 and then transported to the maintenance location by means of the first carrying device 1 on the transport track 4.
  • a return transport of the chassis 2 from the maintenance area and a re-railing of the chassis 2 onto the maintenance track 3 is also carried out by means of the first carrying device 1, which in turn is controlled by means of the remote control 12.
  • the first support device 1 is arranged below a cross member 15, which is part of a support structure 16 of the chassis 2 designed as a chassis frame.
  • the lifting platform 11 is connected to a lifting piston 17 of the first support device 1, which controls the lifting and lowering movements of the lifting platform 11
  • the lifting piston 17 is guided in a lifting cylinder 18 of the first carrying device 1.
  • Fig.1 reveals a lowered state of the lifting platform 11.
  • the lifting platform 11 In order to support the chassis 2 on the lifting platform 11 and to be able to guide it to the maintenance area via the transport track 4, the lifting platform 11 is raised. In order to avoid damage and excessive wear in a contact area between the cross member 15 and the lifting platform 11, the cross member 15, which is designed as a steel beam, has a hardened material layer 19 on its underside and is therefore reinforced in the contact area with the first support device 1.
  • the first support device 1 has the centrally arranged lifting piston 17 and the lifting platform 11 connected to the lifting piston 17. According to the invention, however, it is also possible to design the first support device 1, for example, as a scissor lift with an actuator which is articulated to a rod of the scissor lift.
  • first support device 1 in addition to the first support device 1, a second support device is also provided which is structurally and functionally identical to the first support device 1, wherein the first support device 1 supports the chassis 2 in the region of a Fig.2 shown first longitudinal member 20 and the second support device supports the chassis 2 in the area of a second longitudinal member not shown.
  • the first support device 1 and the second support device can be controlled both independently of one another and synchronized with one another by means of the remote control 12.
  • Fig.2 is a second side elevation of that exemplary embodiment of a maintenance device according to the invention, which is also shown in Fig.1 shown, Therefore, in Fig.2 partly the same reference numerals as in Fig.1 used.
  • FIG.2 a front view of a first support device 1 and a chassis 2 of a rail vehicle.
  • the first support device 1 is connected to a plurality of rollers, which have a first wheel set 6 and a Fig.1 visible second wheel set 7, movably connected to a transport track 4, which comprises two rails.
  • the transport track 4 is arranged transversely to a maintenance track 3, above which the chassis 2, supported on the first support device 1, is arranged.
  • the first carrying device 1 is designed as a lifting platform with a lifting piston 17 and a lifting platform 11.
  • the lifting piston 17 is guided in a lifting cylinder 18, which is supplied with hydraulic fluid by a lifting drive 9 designed as an electro-hydraulic pump.
  • a lifting drive 9 designed as an electro-hydraulic pump.
  • the lifting piston 17 and the lifting platform 11 connected to it are raised and lowered.
  • Fig.2 In the state of the maintenance device shown, the lifting platform 11 is raised so far that the chassis 2 is supported thereon and the flange undersides of a first wheel 21 and a second wheel 22 as well as two further wheels of the chassis 2 are arranged above the upper rail edges of the maintenance track 3.
  • the chassis 2 can be guided away from the maintenance track 3 by means of the first carrying device 1 on the transport track 4.
  • the first carrying device 1 has an electric drive 10 coupled to the first wheel set 6, via which drive torques are transmitted to the first wheel set 6.
  • the drive 10 and the lifting drive 9 are connected to a battery 23 arranged in the first support device 1 to supply them with electricity via power lines.
  • a battery 23 which is designed as a lithium-ion battery.
  • the lifting cylinder 18, the lifting drive 9 and the battery 23 are firmly connected to a base plate 24 of the first carrying device 1.
  • the base plate 24 is in turn connected to a base frame 8 of the first carrying device 1.
  • the travel drive 10 and the lifting drive 9 have controls with radio-based transmitting and receiving units, whereby the travel drive 10 and the lifting drive 9 and thus driving, lifting and lowering movements of the first carrying device 1 are controlled via a Fig.1 shown remote control 12.
  • the first carrying device 1 is controlled manually, i.e. that the first carrying device 1 does not have a travel drive 10 and is pushed or pulled by maintenance personnel on the transport track 4 and that the first carrying device 1 has a purely mechanical power translator (e.g. a crank drive that can be operated manually by the maintenance personnel) as a lifting drive 9.
  • a purely mechanical power translator e.g. a crank drive that can be operated manually by the maintenance personnel
  • the first carrying device 1 does not have a battery 23, but that the travel drive 10 and the lifting drive 9 are connected via a long cable to a power supply unit of a maintenance station or a vehicle depot and are supplied with electricity via this.
  • the chassis 2 has a support structure 16 designed as a chassis frame made of steel with a first longitudinal member 20, a Fig.1 visible cross member 15 and an invisible second longitudinal member.
  • the cross member 15 is welded to the first longitudinal member 20 and the second longitudinal member.
  • the cross member 15, the first longitudinal member 20 and the second longitudinal member have reinforcements on their undersides, in contact areas with the lifting platform 11, in the form of hardened material layers 19.
  • Fig.3 shows a flow chart for an exemplary embodiment of a maintenance method according to the invention for rail vehicles, for which a maintenance device according to Fig. 1 and Fig. 2 and which is connected to a Fig. 1 and Fig. 2 shown chassis 2 of a rail vehicle.
  • a first support device 1 designed as a lifting platform and movably connected to a transport track 4 guided under the chassis 2 is first guided under the chassis 2 by remote control (first driving step 25).
  • a lifting platform 11 of the first support device 1 is then raised hydraulically and remotely until the undersides of the wheel flanges of the wheels of the chassis 2 are arranged above the top edges of the rails of a maintenance track 3 on which the chassis 2 is supported before a lifting process (lifting step 29).
  • the chassis 2 is then decoupled from a car body of the rail vehicle arranged above it.
  • the first support device 1 with the chassis 2 supported on it is then guided away from the maintenance track 3 by remote control to a maintenance location on the transport track 4 (second driving step 26). This completes the removal or disassembly of the landing gear 2. Maintenance work is carried out on the landing gear 2 at the maintenance station (maintenance step 30).
  • the car body of the rail vehicle is supported by additional chassis installed in the rail vehicle. According to the invention, however, it is also conceivable that additional support devices are provided for the car body, which replace the chassis 2 while it is removed.
  • the chassis 2 is installed or assembled into the rail vehicle.
  • the first support device 1 with the chassis 2 supported on it is remotely guided from the maintenance location on the transport track 4 to the maintenance track 3 until the wheels of the chassis 2 are aligned with the maintenance track 3 (third travel step 27).
  • the chassis 2 is then coupled to the car body and the lifting platform 11 of the first support device 1 is lowered hydraulically and remotely until the chassis 2 is supported on the maintenance track 3 (lowering step 31). Finally, the first support device 1 is guided away from the maintenance track 3 on the transport track 4 by remote control (fourth travel step 28).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Claims (11)

  1. Installation de maintenance avec une voie de maintenance (3) et une installation de transport pour des véhicules ferroviaires, dans laquelle l'installation de transport est configurée pour un démontage d'un train de roulement (2) d'un véhicule ferroviaire, pour un montage du train de roulement (2) dans le véhicule ferroviaire et pour un transport du train de roulement (2) et comporte une voie de transport (4) ainsi qu'au moins un premier dispositif de support (1) relié à la voie de transport (4) et mobile sur la voie de transport (4), dans laquelle l'au moins un premier dispositif de support (1) est conçu de telle sorte que le train de roulement (2) puisse être en appui sur l'au moins un premier dispositif de support (1) par l'intermédiaire d'une structure de support (16) conçue sous la forme d'un châssis de train de roulement lorsque la caisse est disposée au-dessus du train de roulement (2), caractérisée en ce que la voie de maintenance (3) et la voie de transport (4) sont disposées en chevauchement l'une par rapport à l'autre et de façon croisée l'une par rapport à l'autre.
  2. Installation de maintenance selon la revendication 1, caractérisée en ce que la voie de maintenance (3) et la voie de transport (4) sont disposées l'une par rapport à l'autre de sorte à former un angle supérieur à 30 ° et inférieur à 150 °, de préférence un angle de 90 °.
  3. Installation de maintenance selon la revendication 1 ou la revendication 2, caractérisée en ce que l'au moins un premier dispositif de support (1) est conçu sous la forme d'une nacelle élévatrice.
  4. Installation de maintenance selon la revendication 3, caractérisée en ce que l'au moins un premier dispositif de support (1) présente un entraînement de levage (9).
  5. Installation de maintenance selon l'une des revendications 1 à 4, caractérisée en ce que l'au moins un premier dispositif de support (1) est relié à la voie de transport (4) par l'intermédiaire d'une pluralité de roulettes.
  6. Installation de maintenance selon la revendication 5, caractérisée en ce que l'au moins un premier dispositif de support (1) présente un entraînement de roulement (10).
  7. Installation de maintenance selon la revendication 4 ou la revendication 6, caractérisée en ce qu'une télécommande (12) ou un radioguidage est prévu(e) pour la commande de déplacements de l'au moins un premier dispositif de support (1) .
  8. Installation de maintenance selon l'une des revendications 1 à 7 et train de roulement (2) d'un véhicule ferroviaire, caractérisés en ce que le train de roulement (2) est en appui sur l'au moins un premier dispositif de support (1) de l'installation de maintenance par l'intermédiaire d'une structure de support (16) conçue sous la forme d'un châssis de train de roulement.
  9. Installation de maintenance et train de roulement (2) selon la revendication 8, caractérisés en ce que la structure de support (16) est de conception renforcée dans au moins une zone de contact avec l'au moins un premier dispositif de support (1).
  10. Procédé de maintenance pour lequel une installation de maintenance selon l'une des revendications 1 à 7 est utilisée et lequel est mis en œuvre au niveau de l'installation de maintenance et d'un train de roulement (2) selon la revendication 8 ou la revendication 9, caractérisé en ce qu'au moins un premier dispositif de support (1), conçu sous la forme d'une nacelle élévatrice et relié mobile à une voie de transport (4) guidée sous le train de roulement (2), est guidé sous le train de roulement (2) disposé sur une voie de maintenance (3), en ce qu'une plate-forme de levage (11) de l'au moins un premier dispositif de support (1) est soulevée jusqu'à ce que les faces inférieures du boudin des roues du train de roulement (2) soient disposées au-dessus des bords supérieurs des rails de la voie de maintenance (3), en ce que le train de roulement (2) est désaccouplé d'une caisse d'un véhicule ferroviaire disposée au-dessus de ce train de roulement (2), et en ce que l'au moins un premier dispositif de support (1) avec le train de roulement (2) en appui sur celui-ci est guidé sur la voie de transport (4) à l'écart de la voie de maintenance (3).
  11. Procédé de maintenance selon la revendication 10, caractérisé en ce que l'au moins un premier dispositif de support (1) avec le train de roulement (2) en appui sur celui-ci est mené sur la voie de transport (4) vers la voie de maintenance (3) jusqu'à ce que les roues du train de roulement (2) soient alignées avec la voie de maintenance (3), en ce que le train de roulement (2) est accouplé à la caisse, en ce que la plate-forme de levage (11) de l'au moins un premier dispositif de support (1) est abaissée jusqu'à ce que le train de roulement (2) soit en appui sur la voie de maintenance (3), et en ce que l'au moins un premier dispositif de support (1) est guidé sur la voie de transport (4) à l'écart de la voie de maintenance (3).
EP21207770.5A 2020-11-13 2021-11-11 Dispositif de maintenance pour véhicules ferroviaires, train de roulement d'un véhicule ferroviaire et procédé de maintenance Active EP4001046B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50992/2020A AT524401A1 (de) 2020-11-13 2020-11-13 Wartungseinrichtung für Schienenfahrzeuge, Fahrwerk sowie Fahrwerkskomponente eines Schienenfahrzeugs und Wartungsverfahren

Publications (2)

Publication Number Publication Date
EP4001046A1 EP4001046A1 (fr) 2022-05-25
EP4001046B1 true EP4001046B1 (fr) 2024-06-05

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EP21207770.5A Active EP4001046B1 (fr) 2020-11-13 2021-11-11 Dispositif de maintenance pour véhicules ferroviaires, train de roulement d'un véhicule ferroviaire et procédé de maintenance

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EP (1) EP4001046B1 (fr)
AT (1) AT524401A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562589Y2 (fr) * 1977-01-12 1981-01-21
US5370058A (en) * 1993-11-15 1994-12-06 Whiting Equipment Canada Inc. Low rise drop yoke system
RU2099222C1 (ru) * 1995-10-27 1997-12-20 Научно-внедренческий центр "Путевые машины" Дальневосточной государственной академии путей сообщения Устройство для замены тележек транспортного средства
DE102006062245B4 (de) * 2006-12-22 2008-10-16 Neuero Technology Gmbh Wartungsgleisanlage
RU2626425C1 (ru) * 2016-08-09 2017-07-27 Сергей Николаевич Еремеев Способ замены колесных пар железнодорожного вагона (варианты)
DE202017005428U1 (de) * 2017-10-20 2018-01-08 Neuero Technology Gmbh Wartungsgleisanlage
KR102114867B1 (ko) 2018-12-05 2020-05-27 한국생산기술연구원 레일용 전복 안전 장치를 구비한 시설원예용 전기작업차 및 전복 안전 장치의 작동방법
DE202019107158U1 (de) * 2019-12-20 2020-05-14 Beijing Magnetic-Flux Equipment Manufacturing Co., Ltd. Vorrichtung zum Austausch eines Drehgestells für Schienenfahrzeuge
CN111469884B (zh) 2020-04-21 2020-11-10 浙江硕维轨道交通装备有限公司 一种地铁伺服架检修辅助设备

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AT524401A1 (de) 2022-05-15

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