EP3262235A1 - Tamping unit for tamping sleepers of a track - Google Patents

Tamping unit for tamping sleepers of a track

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Publication number
EP3262235A1
EP3262235A1 EP16702661.6A EP16702661A EP3262235A1 EP 3262235 A1 EP3262235 A1 EP 3262235A1 EP 16702661 A EP16702661 A EP 16702661A EP 3262235 A1 EP3262235 A1 EP 3262235A1
Authority
EP
European Patent Office
Prior art keywords
vibration exciter
fluid channels
tamping
stopfaggregat
cylinder
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
Application number
EP16702661.6A
Other languages
German (de)
French (fr)
Other versions
EP3262235B1 (en
Inventor
Florian HÖFLER
Gerhard HÖLLINGER
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.)
Plasser und Theurer Export Von Bahnbaumaschinen GmbH
Original Assignee
Plasser und Theurer Export Von Bahnbaumaschinen GmbH
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Publication of EP3262235A1 publication Critical patent/EP3262235A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/12—Tamping devices

Definitions

  • the invention relates to a Stopfaggregat for Unterstopfen sleepers of a track, with a height adjustable mounted on an aggregate frame pimple carrier, on each of which by a hydraulic, a cylinder axis and connected to a vibratory feeder Beistellantrieb are mounted to each other pivotable tamping.
  • Stopfaggregate to Unterstopfen thresholds of a track are already widely known, such.
  • the vibrations of the vibration exciter acting on the tamping picks can be generated either by an eccentric shaft or by hydraulic pulses in a linear drive which at the same time also provides the auxiliary movements the tamping pick performs.
  • the object of the present invention is now to provide a tamping unit of the type mentioned, with which an improved vibration of the tamping pick is possible.
  • Such a vibration generator on a hydraulic basis has the advantage that functionally a clear separation between the vibration generation on the one hand and the Beistellterrorism for stuffing tamping on the other hand is achievable. In addition, a simplified control effort for vibration generation is possible.
  • FIG. 2 shows a simplified view of a vibration exciter with a hydraulic circuit diagram
  • FIG. 5 shows a further variant of a side drive.
  • a tamping unit 1 shown in FIG. 1 for the purpose of clogging sleepers of a track has two tamping picks 2, which can be moved in the manner of tongs to each other with the aid of a side drive 3 for a ballast compaction.
  • Each tamping pick 2 is mounted pivotably about a pivot axis 4 on a pommel carrier 6, which is height-adjustable relative to an aggregate frame 5.
  • Each a cylinder axis 7 having Beistellantrieb 3 is assigned a hydraulically based vibration exciter 8 for generating a BeistellGHz the tamping 2 superimposed vibrations.
  • the Beistellantrieb 3 is pivotally mounted about a bearing axis 9 on the pimple carrier 6.
  • a cross-section of the auxiliary drive 3 shown in FIG. 2 shows an inner cylinder 10 of the vibration exciter 8 arranged coaxially with the cylinder axis 7 and serving as auxiliary drive 3 composed of hydraulic cylinders and cylinder pistons in this specific embodiment of the invention.
  • the inner cylinder 10 (or the auxiliary drive 3) is slidably mounted in an outer cylinder 2 via sliding surfaces 11 in the axial direction 7.
  • annular recess 13 in the outer cylinder 12 is provided between two in the direction of the cylinder axis 7 (axial direction) spaced apart sliding surfaces 11 .
  • the two fluid channels 14 are alternately hydraulically actuated by supply lines 16 for vibratory excitation of the inner cylinder 10 (i.e., the auxiliary drive 3) (the supply lines required for the auxiliary movement of the auxiliary drive 3 are not shown for the sake of simplicity).
  • a vibration amplitude of the tamping pick 2 is by a stroke volume
  • the vibration frequency of Stopfpickel 2 corresponds to the stroke frequency of the double piston pump 17 (or speed n of an eccentric shaft). The vibration frequency can be adjusted by changing the eccentric shaft speed from 0 to 60 Hz. Stroke and return stroke of the inner cylinder 10 (or Beistellantriebes 3) is effected by the 180 ° phase-shifted double-piston pump 17.
  • the oscillation amplitude of the tamping 2 as a function of impact force is adjustable by a proportional pressure relief valve 18. By this optionally also the stuffing picking vibration can be interrupted without having to switch off the drive of the double piston pump 17.
  • the functions "stuffing tip provision” and “stuffing pitch vibration” in a compact design and in compliance with industry standard installation dimensions of side cylinders in tamping units can be combined easily.
  • the outer cylinder 12 of the vibration exciter 8 has in the region of the sliding surface 1 1 of the spacer ring 15 an outlet 19 for emerging from the two fluid channels 14 leak oil, which is supplemented via a feed line 20.
  • the intensively heating oil can be continuously renewed by the vibrations.
  • the two mutually facing fluid channels 14 of the two vibration exciter 8 on the one hand and the two opposing fluid channels 14 on the other hand each acted upon by a common supply line 16.
  • the vibration amplitude is proportional to the load pressure (vibration resistance).
  • a so-called asynchronous plugging is produced (with the effect that a higher amplitude is established on the side with lower vibration resistance).
  • one of the two supply lines 16 of the vibration exciter 8 can be acted on by the double piston pump 17 and the other each by a hydraulic accumulator 21.
  • This designed as a diaphragm or piston accumulator hydraulic spring is defined by the gas filling and preload pressure.
  • any known type of generation of a pulsating fluid flow for the vibration exciter 8 can be used. It could, for example, instead of the piston pump, a preferably directly attached to the vibration exciter 8 Proportional valve are provided.
  • the spacer ring 15 is connected to the outer cylinder 12, while the fluid channel 14 in the inner cylinder 10 or Beistellantrieb 3 is provided.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

A positioning drive (3) for positioning tamping tines of a tamping unit (1) has the following features: a) an inner cylinder (10) of the vibration exciter (8) that is arranged coaxially with the cylinder axis (7) is mounted in an outer cylinder (12) so as to be displaceable via sliding surfaces (11) in an axial direction (7), b) an annular depression (13) is provided between two sliding surfaces (11) spaced from one another in the axial direction (7), c) a spacer ring (15) which subdivides the annular depression (13) into two fluid ducts (14) which are spaced from one another with respect to the axial direction (7) is optionally connected to the inner or the outer cylinder (10, 12), d) for vibration excitation, the two fluid ducts (14) can be alternately charged with hydraulic pressure by means of supply lines (16).

Description

Stopfaggregat zum Unterstopfen von Schwellen eines Gleises  Stopfaggregat for clogging thresholds of a track
[01] Die Erfindung betrifft ein Stopfaggregat zum Unterstopfen von Schwellen eines Gleises, mit einem höhenverstellbar auf einem Aggregatrahmen gelagerten Pickelträger, auf dem jeweils durch einen hydraulischen, eine Zylinderachse aufweisenden und mit einem Vibrationserreger verbundenen Beistellantrieb zueinander verschwenkbare Stopfpickel gelagert sind.  The invention relates to a Stopfaggregat for Unterstopfen sleepers of a track, with a height adjustable mounted on an aggregate frame pimple carrier, on each of which by a hydraulic, a cylinder axis and connected to a vibratory feeder Beistellantrieb are mounted to each other pivotable tamping.
[02] Stopfaggregate zum Unterstopfen von Schwellen eines Gleises sind bereits vielfach bekannt, wie z. B. durch US 4 240 352, AT 339 358, EP 0 331 956 oder US 4 068 595. Die auf die Stopfpickel einwirkenden Vibrationen des Vibrationserregers können entweder durch eine Exzenterwelle oder durch hydraulische Impulse in einem Linearantrieb erzeugt werden, der gleichzeitig auch die Beistellbewegungen der Stopfpickel ausführt.  [02] Stopfaggregate to Unterstopfen thresholds of a track are already widely known, such. For example, by US 4,240,352, AT 339,358, EP 0 331 956 or US 4 068 595. The vibrations of the vibration exciter acting on the tamping picks can be generated either by an eccentric shaft or by hydraulic pulses in a linear drive which at the same time also provides the auxiliary movements the tamping pick performs.
[03] Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eines Stopfaggregates der eingangs genannten Art, mit dem eine verbesserte Vibration der Stopfpickel möglich ist.  [03] The object of the present invention is now to provide a tamping unit of the type mentioned, with which an improved vibration of the tamping pick is possible.
[04] Diese Aufgabe wird erfindungsgemäß mit einem Stopfaggregat der gattungsgemäßen Art durch die im Kennzeichen des Hauptanspruches angeführten Merkmale gelöst.  This object is achieved with a tamping unit of the generic type by the features cited in the characterizing part of the main claim.
[05] Ein derartiger Vibrationserreger auf hydraulischer Basis hat den Vorteil, dass funktionell eine klare Trennung zwischen der Vibrationserzeugung einerseits und der Beistellbewegung für die Stopfpickel andererseits er- zielbar ist. Außerdem ist ein vereinfachter Steuerungsaufwand für die Vibrationserzeugung möglich. [05] Such a vibration generator on a hydraulic basis has the advantage that functionally a clear separation between the vibration generation on the one hand and the Beistellbewegung for stuffing tamping on the other hand is achievable. In addition, a simplified control effort for vibration generation is possible.
[06] Weitere Vorteile der Erfindung ergeben sich aus den Unteransprüchen und der Zeichnungsbeschreibung.  Further advantages of the invention will become apparent from the dependent claims and the drawing description.
[07] Im Folgenden wird die Erfindung anhand von in der Zeichnung dargestellten Ausführungsbeispielen näher beschrieben. Es zeigen: Fig. 1 eine Seitenansicht eines Beistellantriebe sowie Vibrationserreger aufweisenden Stopfaggregates, Fig. 2 bis 4 jeweils vereinfachte Darstellungen eines Vibrationserregers mit hydraulischem Schaltplan und Fig. 5 eine weitere Variante eines Beistellantriebes.  [07] In the following, the invention will be described in more detail with reference to exemplary embodiments illustrated in the drawing. 2 shows a simplified view of a vibration exciter with a hydraulic circuit diagram, and FIG. 5 shows a further variant of a side drive.
[08] Ein in Fig. 1 dargestelltes Stopfaggregat 1 zum Unterstopfen von Schwellen eines Gleises weist zwei Stopfpickel 2 auf, die jeweils mithilfe eines Beistellantriebes 3 für eine Schotterverdichtung zangenartig zueinander bewegbar sind. Jeder Stopfpickel 2 ist um eine Schwenkachse 4 verschwenkbar auf einem relativ zu einem Aggregatrahmen 5 höhenverstellbaren Pickelträger 6 gelagert. Jedem eine Zylinderachse 7 aufweisendem Beistellantrieb 3 ist ein hydraulisch basierter Vibrationserreger 8 zur Erzeugung von einer Beistellbewegung der Stopfpickel 2 überlagerten Vibrationen zugeordnet. Der Beistellantrieb 3 ist um eine Lagerachse 9 schwenkbar am Pickelträger 6 befestigt. [09] Ein in Fig. 2 dargestellter Querschnitt des Beistellantriebes 3 zeigt einen zur Zylinderachse 7 koaxial angeordneten Innenzylinder 10 des Vibrationserregers 8, der in dieser speziellen Ausführungsvariante der Erfindung gleichzeitig auch als - aus Hydraulikzylinder und Zylinderkolben zusammengesetzter - Beistellantrieb 3 dient. Der Innenzylinder 10 (bzw. der Beistellantrieb 3) ist über Gleitflächen 11 in der Achsrichtung 7 verschiebbar in einem Außenzylinder 2 gelagert. [08] A tamping unit 1 shown in FIG. 1 for the purpose of clogging sleepers of a track has two tamping picks 2, which can be moved in the manner of tongs to each other with the aid of a side drive 3 for a ballast compaction. Each tamping pick 2 is mounted pivotably about a pivot axis 4 on a pommel carrier 6, which is height-adjustable relative to an aggregate frame 5. Each a cylinder axis 7 having Beistellantrieb 3 is assigned a hydraulically based vibration exciter 8 for generating a Beistellbewegung the tamping 2 superimposed vibrations. The Beistellantrieb 3 is pivotally mounted about a bearing axis 9 on the pimple carrier 6. A cross-section of the auxiliary drive 3 shown in FIG. 2 shows an inner cylinder 10 of the vibration exciter 8 arranged coaxially with the cylinder axis 7 and serving as auxiliary drive 3 composed of hydraulic cylinders and cylinder pistons in this specific embodiment of the invention. The inner cylinder 10 (or the auxiliary drive 3) is slidably mounted in an outer cylinder 2 via sliding surfaces 11 in the axial direction 7.
[10] Zwischen zwei in Richtung der Zylinderachse 7 (Achsrichtung) voneinander distanzierten Gleitflächen 11 ist eine ringförmige Vertiefung 13 im Außenzylinder 12 vorgesehen. Ein diese ringförmige Vertiefung 13 in zwei - bezüglich der Achsrichtung 7 voneinander distanzierte - Fluidkanäle 14 unterteilender Distanzring 15 ist mit dem Innenzylinder 10 verbunden. Die beiden Fluidkanäle 14 sind für eine Vibrationserregung des Innenzylinders 10 (d.h. des Beistellantriebes 3) durch Versorgungsleitungen 16 abwechselnd hydraulisch beaufschlagbar (die für die Beistellbewegung des Beistellantriebes 3 erforderlichen Versorgungsleitungen sind der Einfachheit halber nicht dargestellt).  Between two in the direction of the cylinder axis 7 (axial direction) spaced apart sliding surfaces 11 an annular recess 13 in the outer cylinder 12 is provided. A spacer ring 15 dividing this annular recess 13 into two fluid channels 14, which are spaced apart from one another with respect to the axial direction 7, is connected to the inner cylinder 10. The two fluid channels 14 are alternately hydraulically actuated by supply lines 16 for vibratory excitation of the inner cylinder 10 (i.e., the auxiliary drive 3) (the supply lines required for the auxiliary movement of the auxiliary drive 3 are not shown for the sake of simplicity).
[11] Mit der angedeuteten Lagerachse 9 ist der Außenzylinder 12 des Vibrationserregers 8 direkt (und damit der Beistellantrieb 3 indirekt) am Pickelträger 6 angelenkt. Die abwechselnde Beaufschlagung der beiden je mit den Versorgungsleitungen 16 verbundenen Fluid- kanäle 14 erfolgt durch eine um 180° phasenverschobene Doppelkolbenpumpe 17. With the indicated bearing axis 9 of the outer cylinder 12 of the vibration exciter 8 is directly (and thus the Beistellantrieb 3 indirectly) hinged to the pimple carrier 6. Alternate admission of the two fluid valves connected to the supply lines 16 Channels 14 is effected by a 180 ° out of phase double piston pump 17th
[12] Eine Schwingungsamplitude der Stopfpickel 2 ist durch ein Hubvolumen  [12] A vibration amplitude of the tamping pick 2 is by a stroke volume
H der Doppelkolbenpumpe 17 und das Volumen der beiden Fluidkanäle 14 definiert. Eine Änderung des Hubvolumens H ist durch eine Verstellung des Exzenterweges an der Doppelkolbenpumpe 17 möglich. Die Vibrations-Frequenz der Stopfpickel 2 entspricht der Hubfrequenz der Doppelkolbenpumpe 17 (bzw. Drehzahl n einer Exzenterwelle). Die Vibrations- Frequenz ist durch Ändern der Exzenterwellen-Drehzahl von 0 bis 60 Hz einstellbar. Hub und Rückhub des Innenzylinders 10 (bzw. Beistellantriebes 3) erfolgt durch die 180° phasenverschobene Doppelkolbenpumpe 17. Die Schwingungsamplitude der Stopfpickel 2 als Funktion der Schlagkraft ist durch ein Proportional-Druckbegrenzungsventil 18 einstellbar. Durch dieses kann wahlweise auch die Stopfpickelvibration unterbrochen werden, ohne dafür den Antrieb der Doppelkolbenpumpe 17 abschalten zu müssen.  H of the double piston pump 17 and the volume of the two fluid channels 14 defined. A change in the stroke volume H is possible by adjusting the Exzenterweges on the double piston pump 17. The vibration frequency of Stopfpickel 2 corresponds to the stroke frequency of the double piston pump 17 (or speed n of an eccentric shaft). The vibration frequency can be adjusted by changing the eccentric shaft speed from 0 to 60 Hz. Stroke and return stroke of the inner cylinder 10 (or Beistellantriebes 3) is effected by the 180 ° phase-shifted double-piston pump 17. The oscillation amplitude of the tamping 2 as a function of impact force is adjustable by a proportional pressure relief valve 18. By this optionally also the stuffing picking vibration can be interrupted without having to switch off the drive of the double piston pump 17.
[13] In der hier dargestellten Ausführungsvariante eines„Kombinationszylinders" lassen sich die Funktionen "Stopfpickelbeistellung" und "Stopfpickelvibration" in kompakter Bauweise sowie unter Einhaltung branchenüblicher Einbaumaße von Beistellzylindern in Stopfaggregaten problemlos vereinen. [14] Der Außenzylinder 12 des Vibrationserregers 8 weist im Bereich der Gleitfläche 1 1 des Distanzringes 15 eine Auslaßöffnung 19 für aus den beiden Fluidkanälen 14 austretendes Lecköl auf, das über eine Speiseleitung 20 ergänzt wird. Damit kann das sich durch die Vibrationen intensiv erwärmende Öl laufend erneuert werden. In the embodiment variant of a "combination cylinder" shown here, the functions "stuffing tip provision" and "stuffing pitch vibration" in a compact design and in compliance with industry standard installation dimensions of side cylinders in tamping units can be combined easily. The outer cylinder 12 of the vibration exciter 8 has in the region of the sliding surface 1 1 of the spacer ring 15 an outlet 19 for emerging from the two fluid channels 14 leak oil, which is supplemented via a feed line 20. Thus, the intensively heating oil can be continuously renewed by the vibrations.
[15] Wie in einer durch Fig. 3 dargestellten Variante ersichtlich, sind die beiden einander zugekehrten Fluidkanäle 14 der beiden Vibrationserreger 8 einerseits und die beiden voneinander abgewandten Fluidkanäle 14 andererseits jeweils durch eine gemeinsame Versorgungsleitung 16 beaufschlagbar. Durch diese entsteht ein Druckausgleich zwischen den Vibrationsantrieben. Damit stellt sich die Vibrationsamplitude proportional zum Lastdruck (Vibrationswiderstand) ein. Folglich entsteht ein sogenanntes asynchrones Stopfen (mit dem Effekt, dass sich auf der Seite mit geringerem Vibrationswiderstand eine höhere Amplitude einstellt).  As shown in a variant shown by Fig. 3, the two mutually facing fluid channels 14 of the two vibration exciter 8 on the one hand and the two opposing fluid channels 14 on the other hand each acted upon by a common supply line 16. This creates a pressure balance between the vibratory drives. Thus, the vibration amplitude is proportional to the load pressure (vibration resistance). As a result, a so-called asynchronous plugging is produced (with the effect that a higher amplitude is established on the side with lower vibration resistance).
[16] Gemäß einer in Fig. 4 ersichtlichen Ausführungsvariante ist von den beiden Versorgungsleitungen 16 des Vibrationserregers 8 eine durch die Doppelkolbenpumpe 17 und die andere je durch einen Hydraulikspeicher 21 beaufschlagbar. Diese als Membran- oder Kolbenspeicher ausgeführte hydraulische Feder ist über den Gasfüll- und Vorspanndruck definiert. [17] Prinzipiell kann natürlich jede bekannte Art der Erzeugung eines pulsierenden Fluidstromes für den Vibrationserreger 8 verwendet werden. Es könnte z.B. anstelle der Kolbenpumpe ein vorzugsweise direkt am Vibrationserreger 8 befestigtes Proportionalventil vorgesehen werden. [16] According to an embodiment variant shown in FIG. 4, one of the two supply lines 16 of the vibration exciter 8 can be acted on by the double piston pump 17 and the other each by a hydraulic accumulator 21. This designed as a diaphragm or piston accumulator hydraulic spring is defined by the gas filling and preload pressure. In principle, of course, any known type of generation of a pulsating fluid flow for the vibration exciter 8 can be used. It could, for example, instead of the piston pump, a preferably directly attached to the vibration exciter 8 Proportional valve are provided.
[18] Gemäß der in Fig. 5 dargestellten Variante ist der Distanzring 15 mit dem Außenzylinder 12 verbunden, während der Fluidkanal 14 im Innenzylinder 10 bzw. Beistellantrieb 3 vorgesehen ist.  According to the variant shown in Fig. 5, the spacer ring 15 is connected to the outer cylinder 12, while the fluid channel 14 in the inner cylinder 10 or Beistellantrieb 3 is provided.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Stopfaggregat (1) zum Unterstopfen von Schwellen eines Gleises, mit einem höhenverstellbar auf einem Aggregatrahmen (5) gelagerten Pickelträger (6), auf dem jeweils durch einen hydraulischen, eine Zylinderachse (7) aufweisenden und mit einem Vibrationserreger (8) verbundenen Beistellantrieb (3) zueinander verschwenkbare Stopfpickel (2) gelagert sind, gekennzeichnet durch folgende Merkmale: 1. Stopfaggregat (1) for Unterstopfen sleepers of a track, with a height adjustable on an aggregate frame (5) mounted Pickelträger (6), on each by a hydraulic, a cylinder axis (7) and having a vibration exciter (8) connected Beistellantrieb (3) can be pivoted to each other stuffing tamping (2), characterized by the following features:
a) ein zur Zylinderachse (7) koaxial angeordneter Innenzylinder (10) des Vibrationserregers (8) ist über Gleitflächen (11) in einer Achsrichtung (7) verschiebbar in einem Außenzylinder (12) gelagert, a) an inner cylinder (10) of the vibration exciter (8) arranged coaxially with the cylinder axis (7) is displaceably mounted in an outer cylinder (12) via sliding surfaces (11) in an axial direction (7),
b) zwischen zwei in der Achsrichtung (7) voneinander distanzierten Gleitflächen (11) ist eine ringförmige Vertiefung ( 3) vorgesehen, b) between two in the axial direction (7) spaced from each other sliding surfaces (11) is provided an annular recess (3),
c) ein die ringförmige Vertiefung (13) in zwei - bezüglich der Achsrichtung (7) voneinander distanzierte - Fluidkanäle (14) unterteilender Distanzring (15) ist wahlweise mit dem Innen- oder dem Außenzylinder (10, 12 ) verbunden, d) die beiden Fluidkanäle (14) sind für eine Vibrationserregung abwechselnd durch Versorgungsleitungen (16) hydraulisch beaufschlagbar. c) an annular recess (13) in two - with respect to the axial direction (7) distanced from each other - fluid channels (14) dividing spacer ring (15) is selectively connected to the inner or the outer cylinder (10, 12), d) the two Fluid channels (14) can be hydraulically acted upon alternately by supply lines (16) for vibration excitation.
2. Stopfaggregat nach Anspruch 1 , dadurch gekennzeichnet, dass der Innenzylinder (10) des Vibrationserregers (8) durch den für die Verschwenkung der Stopfpickel (2) vorgesehenen Beistellantrieb (3) gebildet ist. 2. Stopfaggregat according to claim 1, characterized in that the inner cylinder (10) of the vibration exciter (8) by the for pivoting the tamping (2) provided Beistellantrieb (3) is formed.
3. Stopfaggregat nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Außenzylinder (12) im Bereich einer Gleitfläche (11) des Distanzringes (15) eine Auslaßöffnung (19) für aus den Fluidkanälen (14) austretendes Lecköl aufweist. 3. Stopfaggregat according to claim 1 or 2, characterized in that the outer cylinder (12) in the region of a sliding surface (11) of the spacer ring (15) has an outlet opening (19) for from the fluid channels (14) leaking leak oil.
4. Stopfaggregat nach einem der Ansprüche 1 , 2 oder 3, dadurch gekennzeichnet, dass der Außenzylinder (12) des Vibrationserregers (8) um eine parallel zu einer Schwenkachse (4) des Stopfpickels (2) verlaufende Lagerachse (9) schwenkbar am Pickelträger (6) befestigt ist. 4. Stopfaggregat according to any one of claims 1, 2 or 3, characterized in that the outer cylinder (12) of the vibration exciter (8) about a parallel to a pivot axis (4) of the stuffing peg (2) extending bearing axis (9) pivotally mounted on the pimple ( 6) is attached.
5. Stopfaggregat nach Anspruch 1 , dadurch gekennzeichnet, dass die abwechselnde Beaufschlagung der beiden je mit einer hydraulischen Versorgungsleitung (16) verbundenen Fluidkanäle (14) durch eine Hydraulikpumpe in Form einer um 180° phasenverschobenen Doppelkolbenpumpe (17) erfolgt. 5. Stopfaggregat according to claim 1, characterized in that the alternating admission of the two each with a hydraulic supply line (16) connected fluid channels (14) by a hydraulic pump in the form of a phase-shifted by 180 ° double piston pump (17).
6. Stopfaggregat nach Anspruch 5, dadurch gekennzeichnet, dass jeder Versorgungsleitung (16) ein Proportional-Druckbegrenzungsventil (18) zugeordnet ist. 6. Stopfaggregat according to claim 5, characterized in that each supply line (16) is associated with a proportional pressure relief valve (18).
7. Stopfaggregat nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass - bezüglich eines durch zwei zueinander beistellbare Stopfpickel (2) gebildeten Stopfpickelpaares - jedem Stopfpickel (2) ein eigener Vibrationserreger (8) zugeordnet ist. 7. Stopfaggregat according to one of claims 1 to 5, characterized in that - with respect to a stuffed by two to each other stuffing tamping (2) Stopfpickelpaares - each stuffing tine (2) is associated with its own vibration exciter (8).
8. Stopfaggregat nach Anspruch 7, dadurch gekennzeichnet, dass die Fluidkanäle (14) beider Vibrationserreger (8) durch eine gemeinsame Doppelkolbenpumpe (17) beaufschlagbar sind. 8. Stopfaggregat according to claim 7, characterized in that the fluid channels (14) of both vibration exciter (8) by a common double-piston pump (17) can be acted upon.
9. Stopfaggregat nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die beiden einander zugekehrten Fluidkanäle (14) der beiden Vibrationserreger (8) einerseits und die beiden voneinander abgewandten Fluidkanäle (14) andererseits jeweils durch eine gemeinsame Versorgungsleitung (16) beaufschlagbar sind. 9. Stopfaggregat according to claim 7 or 8, characterized in that the two mutually facing fluid channels (14) of the two vibration exciter (8) on the one hand and the two opposing fluid channels (14) on the other hand in each case by a common supply line (16) can be acted upon.
10. Stopfaggregat nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass von den beiden Versorgungsleitungen (16) eines Vibrationserregers (8) eine durch die Doppelkolbenpumpe (17) und die andere durch einen Hydraulikspeicher (21) beaufschlagbar ist. 10. Stopfaggregat according to one of claims 1 to 8, characterized in that of the two supply lines (16) of a vibration exciter (8) by the double piston pump (17) and the other by a hydraulic accumulator (21) can be acted upon.
EP16702661.6A 2015-02-27 2016-01-30 Tamping unit for tamping sleepers of a track Active EP3262235B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA106/2015A AT516547B1 (en) 2015-02-27 2015-02-27 Stopfaggregat for clogging thresholds of a track
PCT/EP2016/000157 WO2016134817A1 (en) 2015-02-27 2016-01-30 Tamping unit for tamping sleepers of a track

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EP3262235A1 true EP3262235A1 (en) 2018-01-03
EP3262235B1 EP3262235B1 (en) 2018-12-05

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EP (1) EP3262235B1 (en)
JP (1) JP6751403B2 (en)
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AT (1) AT516547B1 (en)
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CN107407060B (en) 2019-09-24
AT516547A4 (en) 2016-06-15
ES2714829T3 (en) 2019-05-30
CN107407060A (en) 2017-11-28
WO2016134817A1 (en) 2016-09-01
EP3262235B1 (en) 2018-12-05
US20170348731A1 (en) 2017-12-07
JP6751403B2 (en) 2020-09-02
AT516547B1 (en) 2016-06-15
US10421101B2 (en) 2019-09-24
JP2018506666A (en) 2018-03-08

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