EP1069240A1 - Mobile tamping machine - Google Patents
Mobile tamping machine Download PDFInfo
- Publication number
- EP1069240A1 EP1069240A1 EP00114220A EP00114220A EP1069240A1 EP 1069240 A1 EP1069240 A1 EP 1069240A1 EP 00114220 A EP00114220 A EP 00114220A EP 00114220 A EP00114220 A EP 00114220A EP 1069240 A1 EP1069240 A1 EP 1069240A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tamping
- rail
- tools
- mobile
- pressure
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
- E01B27/13—Packing sleepers, with or without concurrent work on the track
- E01B27/16—Sleeper-tamping machines
Definitions
- the invention relates to a mobile tamping machine with several drives available and vibratable tamping tools, the tamping tool on darning picks on both sides of the respective threshold which, when activated, plunge into the ballast of the track substructure and stuff the gravel under the threshold.
- Such a tamping machine is known for example from EP 0 455 179, in which the tamping pimples near the rails are located outside the space between the rails work, is arranged transversely to the rails to the outside, and For example, to be able to stuff turnout areas where tracks from Branch the regular track profile outwards. Since only in the near-rail Zones of the sleepers are positioned only these zones stuffed, the middle zone of the sleepers disadvantageously remains unprocessed, which creates voids and loosening of the thresholds in the middle area can.
- the object of the invention in contrast, is a mobile tamping machine type mentioned in such a way that the ballast in the rail remote Area of the thresholds is solidified when tamping.
- This task is in the mobile tamping machine of the aforementioned Art solved according to the invention in that the tamping tools transverse to the rails are movable, and that the tamping pick with increasing distance between the tamping tools work from the rails with reduced darning pressure.
- the advantages of the invention are in particular that the tamping tools across can be moved to the rails, so that not only the rail near Areas of the sleepers, but also those further away from the rails lying areas are filled with gravel and therefore a solidified Show substructure. According to the stuffing pressure with which the Stuffing ax solidify the ballast, but with increasing distance from the Rails off; the areas near the rail are therefore with a higher Darning pressure brought under the sleepers than the area further away from the rail.
- two tamping tools are provided per rail, one Form the tamping unit.
- the two tamping tools are to the left and right of each Rail arranged and can be from a first position near the rail move away from each other into a second position away from the rail, in which the Then work the tamping pick with less tamping pressure than in the first position.
- the Place the two tamping tools provided per rail, i.e. per tamping unit when moving, preferably the same route in opposite directions Direction back, to carry out the movement are preferably pneumatic or hydraulic drives provided.
- At least one tamping tool but preferably both tamping tools Tamping units from the second position away from the rail to an even more remote position drive third position, in which the tamping picks work with a tamping pressure that is different from the first and / or the second position.
- the outer tamping tool to the sleeper head over the end of the Move the sleeper head out, then turn it 90 ° and in front of the Drive the sleeper head, then the sleepers with an adjustable darning pressure to plug at the head.
- the stuffing pressure in the position or positions remote from the rail is preferred between 30% and 70%, especially between 40% and 60% of that Darning pressure with which the darning picks work in the position close to the rail.
- Each tamping tool 14 has opposite tamping pick 16 on both sides of each threshold, whose working tips 17 are directed against the ballast (not shown).
- Per Rail 4 is therefore a tamping unit 10 is provided.
- Each tamping unit 10 consists of two tamping tools 14, the left and right at a short distance are arranged by the rail 4.
- each tamping tool contains 14-in Rail direction opposite each other at a short distance - tamping pick 16, which can be lowered into the ballast from both sides of a threshold 1 and this Then fill threshold 1 with gravel.
- the tamping pick 16 of the tamping tools 14 are supplied via drives and brought into a tamping motion.
- the Drives act on the tamping pick 16 with a vibrating movement in order to Increase darning effect.
- FIG. 4 and 5 are a top view of the working tips 17 of the tamping pick 16 and show the location of these working peaks relative to the rails and the Thresholds 1 again.
- FIG. 4 corresponds to the representation according to FIG. 1;
- Fig. 5 corresponds to the representation corresponding to FIG. 2.
- the tamping tools 14 of the tamping units 10 are in one first position near the rail.
- the tamping tools 14 can be by means of pneumatic or hydraulic drives (not shown) into a second, Move away from the rail position, which is shown in Figs. 2 and 5. In doing so the tamping tools 14 of each tamping unit 10 by a predetermined distance moved apart so that the distance between the tamping tools 14th is enlarged to the rail track 4 in question.
- the outside Darning tool approaches the sleeper head, the darning tool on the inside 14 moves into the middle zone between the two rails 4.
- the darning pick works $ 14 with a darning pressure, which is about 30% to 70%, particularly preferably 40% to 60% of the stuffing pressure with which the tamping picks work in the position close to the rail.
- a darning pressure which is about 30% to 70%, particularly preferably 40% to 60% of the stuffing pressure with which the tamping picks work in the position close to the rail.
- the stuffing pressure to other values is also in the area away from the rail lowerable.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Terminals (AREA)
- Primary Cells (AREA)
Abstract
Description
Die Erfindung betrifft eine fahrbare Gleisstopfmaschine mit mehreren über Antriebe beistellbaren und vibrierbaren Stopfwerkzeugen, wobei das Stopfwerkzeug auf beiden Seiten der jeweiligen Schwelle einander gegenüberliegende Stopfpickel aufweist, die bei Aktivierung in den Schotter des Gleisunterbaus eintauchen und den Schotter unter die Schwelle stopfen.The invention relates to a mobile tamping machine with several drives available and vibratable tamping tools, the tamping tool on darning picks on both sides of the respective threshold which, when activated, plunge into the ballast of the track substructure and stuff the gravel under the threshold.
Eine derartige Gleisstopfmaschine ist beispielsweise aus der EP 0 455 179 bekannt, bei der die schienennahen Stopfpickel, die außerhalb des Schienenzwischenraums arbeiten, quer zu den Schienen nach außen verstellbar angeordnet ist, und beispielsweise auch Weichenbereiche stopfen zu können, bei denen Gleise vom regulären Gleisprofil quer nach außen abzweigen. Da nur in den schienennahen Zonen der Schwellen Stopfpickel positioniert sind, werden auch nur diese Zonen unterstopft, die Mittenzone der Schwellen bleibt nachteiligerweise unbearbeitet, wodurch Hohlräume und Lockerungen der Schwellen im Mittenbereich entstehen können. Such a tamping machine is known for example from EP 0 455 179, in which the tamping pimples near the rails are located outside the space between the rails work, is arranged transversely to the rails to the outside, and For example, to be able to stuff turnout areas where tracks from Branch the regular track profile outwards. Since only in the near-rail Zones of the sleepers are positioned only these zones stuffed, the middle zone of the sleepers disadvantageously remains unprocessed, which creates voids and loosening of the thresholds in the middle area can.
Aufgabe der Erfindung ist es demgegenüber, eine fahrbare Gleisstopfmaschine der eingangs genannten Art derart weiterzubilden, daß auch der Schotter im schienenfernen Bereich der Schwellen beim Unterstopfen verfestigt wird.The object of the invention, in contrast, is a mobile tamping machine type mentioned in such a way that the ballast in the rail remote Area of the thresholds is solidified when tamping.
Diese Aufgabe wird bei der fahrbaren Gleisstopfmaschine der eingangs genannten Art erfindungsgemäß dadurch gelöst, daß die Stopfwerkzeuge quer zu den Schienen verfahrbar sind, und daß die Stopfpickel mit zunehmendem Abstand der Stopfwerkzeuge von den Schienen mit vermindertem Stopfdruck arbeiten.This task is in the mobile tamping machine of the aforementioned Art solved according to the invention in that the tamping tools transverse to the rails are movable, and that the tamping pick with increasing distance between the tamping tools work from the rails with reduced darning pressure.
Die Vorteile der Erfindung liegen insbesondere darin, daß die Stopfwerkzeuge quer zu den Schienen verfahren werden können, so daß nicht nur die schienennahen Bereiche der Schwellen, sondern auch die von den Schienen weiter entfernt liegenden Bereiche mit Schotter unterstopft werden und daher einen verfestigten Unterbau aufweisen. Erfindungsgemäß nimmt der Stopfdruck, mit dem die Stopfpickel den Schotter verfestigen, jedoch mit zunehmendem Abstand von den Schienen ab; die schienennahen Bereiche werden daher mit einem höheren Stopfdruck unter die Schwellen gebracht, als die schienenferneren Bereich. Dadurch wird sichergestellt, daß in den Zonen starke Gewichtsbelastung und starke Lasteinleitung, nämlich unter und unmittelbar neben den Schienen, eine starke Verfestigung des Unterbaus vorliegt, daß jedoch im Bereich der Schwellenköpfe und in der Mittenzone zwischen den Schienen, wo geringere Kräfte wirken, auch nur eine geringere Verfestigung des Unterbaus erfolgt. Insgesamt ergibt sich erfindungsgemäß ein verbesserter Halt der Schwellen im Schotter. Durch den nach außen hin verringerten Stopfdruck wird jedoch verhindert, daß die Zonen geringerer Gewichts- und Lastbeanspruchung beim Stopfen nach oben gedrückt werden und dadurch den Gleisrost insgesamt lockern und/oder anheben.The advantages of the invention are in particular that the tamping tools across can be moved to the rails, so that not only the rail near Areas of the sleepers, but also those further away from the rails lying areas are filled with gravel and therefore a solidified Show substructure. According to the stuffing pressure with which the Stuffing ax solidify the ballast, but with increasing distance from the Rails off; the areas near the rail are therefore with a higher Darning pressure brought under the sleepers than the area further away from the rail. Thereby it is ensured that in the zones strong weight load and strong Load transfer, namely under and immediately next to the rails, a strong one Solidification of the substructure is present, however, in the area of the sleeper heads and even in the middle zone between the rails, where lower forces act the substructure is less solidified. Overall, according to the invention an improved hold of the sleepers in the ballast. Through the outside reduced plug pressure, however, prevents the zones of lower weight and The load on the stopper is pushed up and the Loosen and / or lift the track grille overall.
Bevorzugt sind jeweils zwei Stopfwerkzeuge pro Schiene vorgesehen, die ein Stopfaggregat bilden. Die beiden Stopfwerkzeuge sind links und rechts von jeder Schiene angeordnet und lassen sich aus einer schienennahen ersten Stellung voneinander weg in eine zweite, schienenferne Stellung verfahren, in denen die Stopfpickel dann mit geringerem Stopfdruck als in der ersten Stellung arbeiten. Die pro Schiene, also pro Stopfaggregat vorgesehenen beiden Stopfwerkzeuge legen bei ihrer Bewegung bevorzugt dieselbe Strecke in einander entgegengesetzter Richtung zurück, zur Ausführung der Bewegung sind bevorzugt pneumatische oder hydraulische Antriebe vorgesehen. Preferably, two tamping tools are provided per rail, one Form the tamping unit. The two tamping tools are to the left and right of each Rail arranged and can be from a first position near the rail move away from each other into a second position away from the rail, in which the Then work the tamping pick with less tamping pressure than in the first position. The Place the two tamping tools provided per rail, i.e. per tamping unit when moving, preferably the same route in opposite directions Direction back, to carry out the movement are preferably pneumatic or hydraulic drives provided.
Gemäß einer weiteren bevorzugten Ausführungsform der Erfindung läßt sich mindestens ein Stopfwerkzeug, bevorzugt jedoch auch beide Stopfwerkzeuge der Stopfaggregate von der zweiten schienenfernen Stellung in eine noch schienenfernere dritte Stellung fahren, in der die Stopfpickel mit einem Stopfdruck arbeiten, der von der ersten und/oder der zweiten Stellung verschieden ist. Bevorzugt läßt sich auch das zum Schwellenkopf liegende äußere Stopfwerkzeug über das Ende des Schwellenkopfes hinaus verfahren, anschließend um 90° drehen und vor den Schwellenkopf fahren, um dann die Schwellen mit einem einstellbaren Stopfdruck kopfseitig zu unterstopfen.According to a further preferred embodiment of the invention, at least one tamping tool, but preferably both tamping tools Tamping units from the second position away from the rail to an even more remote position drive third position, in which the tamping picks work with a tamping pressure that is different from the first and / or the second position. Preferably can also the outer tamping tool to the sleeper head over the end of the Move the sleeper head out, then turn it 90 ° and in front of the Drive the sleeper head, then the sleepers with an adjustable darning pressure to plug at the head.
Der Stopfdruck in der oder den schienenferneren Stellungen liegt bevorzugt zwischen 30% und 70%, insbesondere zwischen 40% und 60% desjenigen Stopfdruckes, mit welchem die Stopfpickel in der schienennahen Stellung arbeiten.The stuffing pressure in the position or positions remote from the rail is preferred between 30% and 70%, especially between 40% and 60% of that Darning pressure with which the darning picks work in the position close to the rail.
Vorteilhafte Weiterbildungen der Erfindung sind durch die Merkmale der Unteransprüche gekennzeichnet.Advantageous developments of the invention are due to the features of the subclaims characterized.
Im folgenden wird eine Ausführungsform der Erfindung anhand der Zeichnung näher erläutert. Es zeigen:
- Fig. 1
- eine Frontansicht eines Stopfaggregats einer Gleisstopfmaschine, gesehen in Schienenrichtung, wobei die Stopfwerkzeuge sich in der schienennahen Position befinden;
- Fig. 2
- eine der Fig. 1 entsprechende Ansicht, wobei die Stopfwerkzeuge sich in der schienenfernen Position befinden;
- Fig. 3
- eine Seitenansicht der Stopfwerkzeuge, gesehen in Schwellenlängsrichtung;
- Fig. 4
- eine schematische Darstellung der Position der Stopfpickel der Stopfwerkzeuge gemäß Fig. 1 relativ zu den Schwellen eines Gleises; und
- Fig. 5
- eine schematische Darstellung der Position der Stopfpickel der Stopfwerkzeuge gemäß Fig. 2 relativ zu den Schwelen des Gleises.
- Fig. 1
- a front view of a tamping unit of a track tamping machine, seen in the rail direction, the tamping tools are in the position close to the rail;
- Fig. 2
- a view corresponding to Figure 1, wherein the tamping tools are in the position away from the rail.
- Fig. 3
- a side view of the tamping tools, seen in the longitudinal direction of the sleeper;
- Fig. 4
- a schematic representation of the position of the tamping pick of the tamping tools according to FIG 1 relative to the sleepers of a track. and
- Fig. 5
- is a schematic representation of the position of the tamping pick of the tamping tools according to FIG. 2 relative to the smoldering of the track.
Die Fig. 1, 2 und 3 zeigen die Stopfaggregate 10 einer verfahrbaren Gleisstopfmaschine,
gesehen in Schienenrichtung (Fig. 1, Fig. 2) und in Schwellenlängsrichtung
(Fig. 3). Wie insbesondere den Fig. 1 und 2 entnehmbar ist, besitzt jedes
Stopfaggregat jeweils zwei Stopfwerkzeuge 14, die jeweils links und rechts in
geringem Abstand von jeder Schiene angeordnet sind. Jedes Stopfwerkzeug 14
besitzt auf beiden Seiten jeder Schwelle einander gegenüberliegende Stopfpickel 16,
deren Arbeitsspitzen 17 gegen den Schotter (nicht dargestellt) gerichtet sind. Pro
Schiene 4 ist also je ein Stopfaggregat 10 vorgesehen. Jedes Stopfaggregat 10
besteht aus zwei Stopfwerkzeugen 14, die links und rechts in geringem Abstand
von der Schiene 4 angeordnet sind.1, 2 and 3 show the
Wie insbesondere Fig. 3 entnehmbar ist, enthält jedes Stopfwerkzeug 14 - in
Schienenrichtung in geringem Abstand einander gegenüberliegend - Stopfpickel 16,
die von beiden Seiten einer Schwelle 1 in den Schotter absenkbar sind und diese
Schwelle 1 dann mit Schotter unterstopfen. Die Stopfpickel 16 der Stopfwerkzeuge
14 werden über Antriebe beigestellt und in eine Stopfbewegung gebracht. Die
Antriebe beaufschlagen die Stopfpickel 16 mit einer Vibrierbewegung, um die
Stopfwirkung zu erhöhen.As can be seen in particular from FIG. 3, each tamping tool contains 14-in
Rail direction opposite each other at a short distance -
Die Fig. 4 und 5 stellen eine Aufsicht auf die Arbeitsspitzen 17 der Stopfpickel 16
dar und geben die Lage dieser Arbeitsspitzen relativ zu den Schienen und den
Schwellen 1 wieder. Fig. 4 entspricht dabei der Darstellung gemäß Fig. 1; Fig. 5
entspricht der Darstellung entsprechend Fig. 2.4 and 5 are a top view of the
In den Fig. 1 und 4 sind die Stopfwerkzeuge 14 der Stopfaggregate 10 in einer
ersten, schienennahen Position dargestellt. Die Stopfwerkzeuge 14 lassen sich
mittels pneumatischer oder hydraulischer Antriebe (nicht dargestellt) in eine zweite,
schienenferne Position verfahren, die in den Fig. 2 und 5 gezeigt ist. Dabei werden
die Stopfwerkzeuge 14 jedes Stopfaggregates 10 um eine vorgegebene Wegstrecke
auseinandergefahren, so daß dann der Abstand zwischen den Stopfwerkzeugen 14
zu dem betreffenden Schienenstrang 4 vergrößert ist. Das außen liegende
Stopfwerkzeug nähert sich dem Schwellenkopf an, das innen liegende Stopfwerkzeug
14 bewegt sich in die Mittenzone zwischen den beiden Schienen 4. In dieser
zweiten, schienenfernen Position arbeiten die Stopfpicke$ 14 mit einem Stopfdruck,
der etwa 30% bis 70%, besonders bevorzugt 40% bis 60% des Stopfdruckes
beträgt, mit dem die Stopfpickel in der schienennahen Position arbeiten. Alternativ
ist jedoch in dem schienenfernen Bereich auch der Stopfdruck auf andere Werte
absenkbar.1 and 4, the
Claims (8)
dadurch gekennzeichnet, daß die Stopfwerkzeuge (14) quer zu den Schienen (4) verfahrbar sind, und daß die Stopfpickel (16) mit zunehmendem Abstand der Stopfwerkzeuge (14) von den Schienen (4) mit vermindertem Stopfdruck arbeiten.Mobile track tamping machine with several tamping tools that can be provided and vibrated via drives, the tamping tool on both sides of the respective threshold having tamping picks which, when activated, plunge into the ballast of the track substructure and stuff the ballast under the threshold,
characterized in that the tamping tools (14) can be moved transversely to the rails (4), and in that the tamping picks (16) work with reduced tamping pressure with increasing distance between the tamping tools (14) and the rails (4).
wobei jeweils ein Stopfwerkzeug auf der einen Seite, und ein zweites Stopfwerkzeug auf der anderen Seite jeder Schiene (4) angeordnet sind, wobei die jeweils einer Schiene zugeordneten beiden Stopfwerkzeuge ein Stopfaggregat (10) bilden, dadurch gekennzeichnet, daß die Stopfwerkzeuge (14) der Stopfaggregate (10) aus einer ersten schienennahen Stellung voneinander weg in eine zweite, schienenferne Stellung verfahrbar sind, und daß die Stopfpickel (16) in der zweiten Stellung mit einem Stopfdruck arbeiten, der gegenüber dem Stopfdruck in der ersten Stellung reduziert ist.Mobile tamping machine according to claim 1,
wherein a tamping tool is arranged on one side and a second tamping tool on the other side of each rail (4), the two tamping tools assigned to each rail forming a tamping unit (10), characterized in that the tamping tools (14) of the Tamping units (10) can be moved away from one another from a first position close to the rail into a second position remote from the rail, and that the tamping pickles (16) work in the second position with a tamping pressure which is reduced compared to the tamping pressure in the first position.
dadurch gekennzeichnet, daß die Stopfwerkzeuge (14) bei ihrer Bewegung aus der ersten Stellung in die zweite Stellung dieselbe Weglänge zurücklegen.Mobile tamping machine according to claim 2,
characterized in that the tamping tools (14) cover the same path length when they move from the first position to the second position.
dadurch gekennzeichnet, daß eines oder beide Stopfwerkzeuge (14) der Stopfaggregate (10) von der zweiten Stellung in eine noch schienenfernere dritte Stellung verfahrbar sind, und daß die Stopfpickel (16) in der dritten Stellung mit einem Stopfdruck arbeiten, der von dem Stopfdruck der ersten Stellung und/oder der zweiten Stellung verschieden ist.Mobile tamping machine according to one of the preceding claims,
characterized in that one or both tamping tools (14) of the tamping units (10) can be moved from the second position into a third position which is still further from the rail, and in that the tamping tines (16) work in the third position with a tamping pressure which is dependent on the tamping pressure of the first position and / or the second position is different.
dadurch gekennzeichnet, daß das zum Schwellenkopf liegende Stopfwerkzeug (14) der Stopfaggregate (10) über das Ende des Schwellenkopfes hinaus verfahrbar, anschließend um 90° um eine vertikale Achse drehbar und vor den Schwellenkopf fahrbar ist und die Schwellen mit einem einstellbaren Stopfdruck kopfseitig unterstopft.Mobile tamping machine according to one of the preceding claims,
characterized in that the tamping tool (14) of the tamping units (10) lying towards the sleeper head can be moved beyond the end of the sleeper head, can then be rotated by 90 ° about a vertical axis and can be moved in front of the sleeper head and supports the sleepers with an adjustable stop pressure on the head side.
dadurch gekennzeichnet, daß die Stopfwerkzeuge (14) von pneumatischen oder hydraulischen Antrieben gesteuert verfahrbar sind.Mobile tamping machine according to one of the preceding claims,
characterized in that the tamping tools (14) can be moved in a controlled manner by pneumatic or hydraulic drives.
dadurch gekennzeichnet, daß jedes Stopfwerkzeug auf beiden Seiten der jeweiligen Schwellen einander gegenüberliegend je zwei Stopfpickel (16) aufweist.Mobile tamping machine according to one of the preceding claims,
characterized in that each tamping tool has two tamping picks (16) opposite each other on both sides of the respective sleepers.
dadurch gekennzeichnet, daß der Stopfdruck in der/den schienenfernen Stellung(en) der Stopfwerkzeuge (14) zwischen 30% - 70%, bevorzugt zwischen 40% und 60% des Stopfdruckes beträgt, mit welchem die Stopfpickel in der schienennahen Stellung arbeiten.Mobile tamping machine according to one of the preceding claims,
characterized in that the tamping pressure in the position (s) of the tamping tools (14) remote from the rail is between 30% and 70%, preferably between 40% and 60%, of the tamping pressure with which the tamping picks work in the position close to the rail.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19932793 | 1999-07-14 | ||
DE19932793A DE19932793C2 (en) | 1999-07-14 | 1999-07-14 | Process for consolidating ballast under the sleepers of rails |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1069240A1 true EP1069240A1 (en) | 2001-01-17 |
EP1069240B1 EP1069240B1 (en) | 2007-05-30 |
Family
ID=7914673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00114220A Expired - Lifetime EP1069240B1 (en) | 1999-07-14 | 2000-07-03 | Tamping process |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1069240B1 (en) |
AT (1) | ATE363563T1 (en) |
DE (2) | DE19932793C2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1741831A1 (en) * | 2005-06-29 | 2007-01-10 | Scheuchzer S.A. | Machine for correction and stabilisation of the position of railway track |
CN111513938A (en) * | 2020-03-23 | 2020-08-11 | 北汽福田汽车股份有限公司 | Wheelchair lifter, method applied to wheelchair lifter and vehicle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE948514C (en) * | 1954-02-14 | 1956-09-06 | Wilhelm Waesche | Formation of the tamping plates in track tamping machines |
US5007350A (en) * | 1989-03-10 | 1991-04-16 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. | Universal mobile track leveling, lining and tamping machine |
EP0455179A2 (en) | 1990-05-02 | 1991-11-06 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. | Track tamping machine with in transverse direction of the track displaceable tamping units |
-
1999
- 1999-07-14 DE DE19932793A patent/DE19932793C2/en not_active Expired - Fee Related
-
2000
- 2000-07-03 AT AT00114220T patent/ATE363563T1/en active
- 2000-07-03 EP EP00114220A patent/EP1069240B1/en not_active Expired - Lifetime
- 2000-07-03 DE DE50014360T patent/DE50014360D1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE948514C (en) * | 1954-02-14 | 1956-09-06 | Wilhelm Waesche | Formation of the tamping plates in track tamping machines |
US5007350A (en) * | 1989-03-10 | 1991-04-16 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. | Universal mobile track leveling, lining and tamping machine |
EP0455179A2 (en) | 1990-05-02 | 1991-11-06 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. | Track tamping machine with in transverse direction of the track displaceable tamping units |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1741831A1 (en) * | 2005-06-29 | 2007-01-10 | Scheuchzer S.A. | Machine for correction and stabilisation of the position of railway track |
CN111513938A (en) * | 2020-03-23 | 2020-08-11 | 北汽福田汽车股份有限公司 | Wheelchair lifter, method applied to wheelchair lifter and vehicle |
CN111513938B (en) * | 2020-03-23 | 2021-07-20 | 北汽福田汽车股份有限公司 | Wheelchair lifter, method applied to wheelchair lifter and vehicle |
Also Published As
Publication number | Publication date |
---|---|
EP1069240B1 (en) | 2007-05-30 |
DE19932793A1 (en) | 2001-02-01 |
DE19932793C2 (en) | 2001-11-08 |
DE50014360D1 (en) | 2007-07-12 |
ATE363563T1 (en) | 2007-06-15 |
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