DE102005020454A1 - Method and device for replacing wheelsets on rail vehicles by means of a movable device - Google Patents

Abstract

A process and device are disclosed for exchanging wheelsets of railway vehicles by means of a travelling unit, the railway vehicle being brought onto a supported track section. The invention addresses the problem of developing a structurally simple and economical wheelset-exchanging device which can be moved without its own drive and be used with all standardised track bridges and wheelsets in a polyvalent manner. The device should also be low-maintenance, operationally reliable and very stable. According to the invention, this problem is solved in that the supported track section (3) between two tracks comprises a working pit (2) in which a mobile wheelset exchanger (1) fits precisely in the area of an extendable standardised track bridge (4) by means of a mobile hoisting vehicle, preferably a fork lift truck. The mobile wheelset exchanger comprises one or more, preferably hydraulic, telescopic cylinders, the supported tracks comprise detachable standardised track bridges, and the standardised track bridges comprise a locking/unlocking structure (S) and an earthing device.

Description

The The invention relates to a method and a device for changing wheelsets on rail vehicles by means of a movable device, wherein the Rail vehicle brought to a raised track section becomes.

It is known, wheelsets or bogies of rail vehicles by means of a gripping under the flanges Lift lifting table.

From the DE 42 04 347 C1 is a lifting and lowering device for the assembly change on rail vehicles on elevated tracks known, the track bridge can be lowered to the level of the working plane. By means of a floor-mounted receiving device, the wheelset can then be moved out laterally.

Also known is a combined lift-lowering device for the assembly change on rail vehicles ( DE 198 38 483 C1 ), in which a lift table can be lowered flush down to the hall floor. The two track bridges are firmly connected to each other via a base frame.

In addition, a device is known which makes it possible to raise or lower a rail vehicle via mobile lifting blocks as a whole ( DE 101 56 010 A1 ). The jacks have mutually independent in height adjustable brackets with bearing surfaces or claws on. The brackets are designed to be displaceable transversely to the vehicle.

Also if air cushion operated wheelset change devices are sufficient known.

all known lifting devices have in common that they are designed consuming and awkward to handle and are expensive to buy. In addition, elaborate and expensive devices for track bridge removal needed which in turn are very prone to failure. Furthermore, in the case of air cushion drive, a more expensive and expensive hall floor is required.

Of the Invention is based on the object, a structurally simple and to develop cheap wheel setter, which without own Drive, with a mobile lifting truck (forklift) movable and multivalent at all unit gantries and wheelsets can be used. The device should also be low maintenance, safe to operate and be very stable.

• – der aufgeständerte Gleisabschnitt zwischen zwei Gleisen eine Arbeitsgrube aufweist, in die im Bereich einer ausfahrbaren Einheitsgleisbrücke mittels eines mobilen Hubfahrzeuges, vorzugsweise eines Gabelstaplers, ein mobiler Radsatzwechsler passgenau eingesetzt wird,
• – ein oder mehrere hydraulisch betriebene Teleskopzylinder des mobilen Radsatzwechslers in derart ausgefahren werden, dass der auszuwechselnde Radsatz bis zu seiner Entlastung leicht angehoben wird,
• – nachfolgend die in den aufgeständerten Gleisen befindlichen beiden lösbaren Teile der Einheitsgleisbrücke über eine Ver-/Entriegelungskonstruktion entsichert und insoweit seitwärts ausgefahren und auf Ständer abgelegt werden, bis ein nach unten gerichtetes Hindurchführen des Radsatzes gewährleistet wird,
• – der vom Fahrgestell des Schienenfahrzeuges gelöste Radsatz bis in eine Höhe abgesenkt wird, die ein seitliches Aufnehmen und Ausfahren des Radsatzes mittels des mobilen Hubfahrzeuges gewährleistet und
• – anschließend ein instandgesetzter oder neuer Radsatz in umgekehrter Reihenfolge wieder in das Fahrgestell des Schienenfahrzeuges eingesetzt sowie befestigt und die Einheitsgleisbrücke geschlossen sowie verriegelt wird und
• – der Radsatzwechsler mittels der abgesenkten Teleskopzylinder abgesenkt und danach mittels des mobilen Hubfahrzeuges aus der Arbeitsgrube wieder entnommen und entfernt wird.

This is inventively achieved in that

• The raised track section between two tracks has a working pit into which a mobile wheel set changer is accurately fitted in the area of an extendable unit track bridge by means of a mobile lifting vehicle, preferably a forklift,
• One or more hydraulically operated telescopic cylinders of the mobile wheel set changer are extended in such a way that the wheel set to be replaced is slightly raised until it is unloaded,
• - Subsequently, the located in the elevated tracks two detachable parts of the unit track bridge unlocked via a locking / Entriegelungskonstruktion and extent extended sideways and placed on stand until a downward directed passage of the wheelset is ensured
• - The dissolved from the chassis of the rail vehicle wheelset is lowered to a height that ensures lateral picking and extension of the wheel by means of the mobile lifting vehicle and
• - Subsequently, a repaired or new set of wheels in the reverse order re-inserted and fixed in the chassis of the rail vehicle and the unit track bridge is closed and locked, and
• - The Radsatzwechsler lowered by means of the lowered telescopic cylinder and then removed again by means of the mobile lifting vehicle from the working pit and removed.

The elevated Railway and the unit railway bridge sections on the stands be in the range of extendable unit track bridge, using a cable loop or similar execution Grounded as drive current feedback.

The Locking / unlocking construction of the unit track bridge becomes preferably over a rocker arm system with safety pin and tab operated.

The Lifting device of the mobile wheel set changer can also be used as scissor lift table or structurally similar Be operated way.

• – der aufgeständerte Gleisabschnitt zwischen zwei Gleisen eine Arbeitsgrube aufweist, in die im Bereich einer ausfahrbaren Einheitsgleisbrücke mittels eines mobilen Hubfahrzeuges, vorzugsweise eines Gabelstaplers, ein mobiler Radsatzwechsler passgenau eingesetzt ist,
• – der mobile Radsatzwechsler einen oder mehrere vorzugsweise hydraulische Teleskopzylinder aufweist,
• – die aufgeständerten Gleise lösbare Einheitsgleisbrücken aufweisen,
• – die Einheitsgleisbrücken eine Ver-/Entriegelungskonstruktion und eine Erdungsvorrichtung aufweisen,

The device for changing wheels on rail vehicles by means of a movable device is characterized in that

• The raised track section between two tracks has a working pit into which a mobile wheel set changer is accurately fitted in the area of an extendable unit track bridge by means of a mobile lifting vehicle, preferably a forklift,
• - the mobile wheelset changer one or more preferably has hydraulic telescopic cylinders,
• The elevated tracks have detachable unit track bridges,
• The unit track bridges have a locking / unlocking construction and a grounding device,

Of the Mobile wheelset changer can also be composed of several modules become. This would have special advantages for necessary repairs and repair measures, so that the Radsatzwechsler not be replaced as a whole would. Also would be In practice, a stocking of individual modules easier and cheaper to accomplish.

Of the Wheel set changer points for positioning in track longitudinal direction a manually operated, hydraulically height adjustable Wheel flange landing gear and for the positioning of the axle mounting on a sliding platform.

• 1. Der mobile Radsatzwechsler benötigt keine teure und anfällige Vorrichtung zur Gleisbrückenentnahme.
• 2. Das Gerät ist konstruktiv so robust ausgeführt, dass eine sehr geringe Störanfälligkeit zu verzeichnen ist. Der Unterhalt ist also sehr billig, die Anwendung effektiv.
• 3. Das Gerät weist eine hohe Arbeitssicherheit auf und ist für Bahnstrom geerdet.
• 4. Der Radsatzwechsler weist keine Zahnstangen zum Absenken in die Arbeitsgrube und keine Rollenbahn mit Antrieb zur Querbeförderung auf.
• 5. Der Radsatzwechsler weist keine Nebenhubwerke, zwecks Aus- und Einfahren der Gleisbrücken auf
• 6. Der mobile Radsatzwechsler hat keine Luftkissentechnik, die einen aufwendigen beschichteten Hallenboden fordert.

The invention has the following advantages:

• 1. The mobile wheel set changer does not require an expensive and vulnerable track bridge removal device.
• 2. The device is structurally so robust that it has a very low susceptibility to interference. The maintenance is so very cheap, the application effectively.
• 3. The device has a high work safety and is grounded for traction current.
• 4. The wheelset changer has no racks for lowering in the working pit and no roller conveyor with drive for transverse transport on.
• 5. The wheelset changer has no Nebenhubwerke, for the purpose of extension and retraction of the track bridges
• 6. The mobile wheelset changer has no air cushion technology, which requires a complex coated hall floor.

Based an embodiment below, the invention will be more closely understood explained become.

there demonstrate:

1 - Radsatzwechsler in the working pit under the elevated track in cross section

2 - The unit track bridge with earthing and locking / unlocking device in the view

3 - The locking / unlocking in detail

The wheel set changer 1 (RSW) is by means of a forklift, not shown in the existing pit work 2 of the elevated track section 3 in the area of the unit track bridge 4 used accurately. Subsequently, the wheelset changer 1 connected to the existing media ( 1 ).

The wheel set changer 1 preferably has - not shown - hydraulically operated telescopic cylinder, which is an extension of the changer to the wheel 5 accomplish this and raise it slightly, so that the appropriate fasteners can be solved on the bogie of the rail vehicle. Subsequently, the locking / unlocking device 6 the unit track bridge 4 unlocked and unit track bridges 4 both elevated track sections 3 ascended sideways until the wheel with its two bearing housings can be guided downwards and lowered so far that the wheelset by means of a mobile lifting vehicle, preferably a forklift is sideways removable. He is then exchanged for a new set of wheels.

Each locking / unlocking device 6 consists of two receiving seats 7 together, which has a rocker arm system 9 with safety bolts 10 and tab 11 in the unlocking strips 8th of the wheel set changer 1 intervention.

The elevated track and the unit track sections on the uprights 12 be in the area of the extendable unit track bridge 4 , by means of a cable loop 13 or a similar version grounded as drive current feedback.

The RSW 1 must have a lifting device with a lifting capacity of> 250 kN (telescopic cylinder). The lifting device must pick up the wheel set to be replaced on the wheel flange. The wheelset must not move on the wheelset during lifting operations. The wheelset should be raised so far that the track bridges are load-free and an operable wheel set with max. Manufacturing measuring circuit diameter can be installed. This means that the difference between the manufacturing and operating limit of the measuring circle diameter can be about 90 mm. Around the unit track bridges 4 With such a difference in diameter to be able to retract easily, must be exchanged, up to the limit measure worn wheelset about (4 cm + 2 cm) = 6 cm on the unit track bridges 4 be raised.

For some reason, the lift table will not always be able to lift the wheel set in the center. As far as the lifting table is lifted by a hydraulic cylinder, then act relatively high torques on the hydraulic cylinder with negative consequences for cylinder surfaces and seals. An alternative The hydraulic lifting cylinder is a scissor lift table.

at is the track bridge extension devices between non-exit side and exit side. On the non-exit side is the track bridge of the extension device to pick up, unlock and about 650 mm horizontally away from the track outward to drive.

On the extension side is taken up by the extension device track bridge also to the outside behind the reference line for Vehicles - approx. 910 mm from the track. At the same time or subsequently the railway bridge to the top - about 1700 mm, so that the defined wheelsets below the elevated railway bridge can drive through.

At the Extension of the track bridges Care must be taken that the cable loops of the drive current return are not inadmissible under tension.

To Extension of the track bridges and securing the bogie against tipping the wheelset with the help lowered the Radsatzhebeeinrichtung.

Of the Wheel flange of the wheelset is as close as possible drive towards lowered hall floor to the wheelset between Hall floor and vehicle parts (usually parts on the bogie) extend to can.

The drive axles are usually equipped with gear mechanisms (gear, complete Transmission). These facilities can such as B. the ICE 3 in the lateral direction over the wheel flange of the wheelset protrude. Therefore, a clear extension width of 1600 mm must be provided become.

• – ein Gabelstapler den Radsatz in Querrichtung aufnehmen kann, d. h., die Zinken des Gabelstaplers fassen unter die Radsatzwelle.
• – der Gabelstapler zu Halleneinbauten (z. B. Laufsteg) einen Sicherheitsabstand von ca. 200 mm hat.
• – das Lagergehäuse des Radsatzes einen Sicherheitsabstand zu den betreffenden äußeren Bauteilen des RSW von ca. 200 mm hat.

The exit depth is to be measured so that

• - A forklift can take the wheelset in the transverse direction, ie, the tines of the forklift take under the wheelset.
• - the forklift truck has a safety distance of approx. 200 mm to hall installations (eg catwalk).
• - The bearing housing of the wheelset has a safety distance to the respective outer components of the RSW of about 200 mm.

Of the The wheel set extended on the exit car of the RSW is usually picked up by a forklift and stored on a local Clipboard deposed.

Of the featured Wheels are generally taken by forklift truck from a clipboard and stored on the extension / retraction device of the RSW. Of the Installation is done in reverse order Order as the expansion.

1

wheelset

2

pit

3

spandrel track sections

4

Standard track bridge

5

wheelset

6

Locking / unlocking device

7

receiving seat

8th

Entriegelungsleiste

9

rocker arm

10

safety bolt

11

flap

12

stand

13

Cable loop

Claims (9)

Method for wheel replacement on rail vehicles means of a movable device, wherein the rail vehicle on a raised track section is brought characterized in that - the elevated track section between two tracks has a working pit, in the area of a extendable unit track bridge by means of a mobile lifting vehicle, preferably a forklift, a mobile wheel set changer is used accurately - one or several hydraulically operated telescopic cylinders of the mobile wheel set changer be extended in such a way that the wheel set to be replaced until is slightly raised to its discharge, - below those in the elevated ones Railroad tracks are both detachable Parts of the unit track bridge over a Encryption / Entriegelungskonstruktion unlocked and in this respect sideways extended and on stand are stored until a downward directed passage of the Wheelset is ensured - of the Chassis of the rail vehicle dissolved wheelset lowered to a height which is a lateral receiving and extending or panning ensured by the wheelset by means of the mobile lifting vehicle and - then repaired or new wheel set in reverse order again used and fixed in the chassis of the rail vehicle and the unit track bridge closed and locked and - The wheel set changer means the lowered telescopic cylinder lowered and then by means of Removed mobile lifting vehicle from the work pit again and Will get removed. Process according to claim 1, characterized in that at the uprights in the area of the extendable unit track bridge, the elevated track and the unit track bridge sections are grounded by means of a cable loop via a drive current feedback. Method according to claims 1 and 2, characterized by that the locking / unlocking construction the unit track bridge preferably via a Tilt lever system is operated with safety pin and tab. Method according to claims 1 to 3, characterized by that the lifting device of the mobile wheel set changer as Scherenhubtisch or structurally similar Way is operated. Device for changing wheelsets on rail vehicles by means of a movable device, wherein the rail vehicle on a raised Track section is arranged, characterized in that - the elevated track section between two tracks has a working pit, in the area of a extendable unit track bridge by means of a mobile lifting vehicle, preferably a forklift, a mobile wheel set changer is used accurately, - the mobile Wheel set changer one or more preferably hydraulic telescopic cylinder or other lifting devices, - the raised ones Track detachable Standard track bridges exhibit, - the Standard track bridges a locking / unlocking construction and possibly a grounding device exhibit. Device according to claim 5, characterized in that that in the area of the extendable unit track bridge, the elevated track and the unit track bridge sections via a cable loop over a drive current feedback grounded is. Apparatus according to claim 5 and 6, characterized in that the locking / unlocking construction of the unit track bridge is preferably designed as a rocker arm system with safety pin and tab. Apparatus according to claim 5 to 7, characterized in that the mobile wheelset changer composed of several modules is. Apparatus according to claim 5 to 8, characterized in that the wheel set changer for positioning in track longitudinal direction a manually operated, hydraulically height adjustable Wheel flange landing gear and for the positioning of the axle mounting has a sliding platform.