EP2804983B1 - Machine with an excavation device - Google Patents

Machine with an excavation device Download PDF

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Publication number
EP2804983B1
EP2804983B1 EP12797966.4A EP12797966A EP2804983B1 EP 2804983 B1 EP2804983 B1 EP 2804983B1 EP 12797966 A EP12797966 A EP 12797966A EP 2804983 B1 EP2804983 B1 EP 2804983B1
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EP
European Patent Office
Prior art keywords
chain
conveying
machine
section
channel
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Application number
EP12797966.4A
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German (de)
French (fr)
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EP2804983A1 (en
Inventor
Jörg Ganz
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.)
Matisa Materiel Industriel SA
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Matisa Materiel Industriel SA
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    • 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
    • E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
    • E01B27/08—Renewing or cleaning the ballast in situ, with or without concurrent work on the track the track having been taken-up

Definitions

  • the invention relates to a machine with an excavating device for receiving ballast of a track, consisting of an endless trained, set by a chain drive in rotation, guided in chain channels in a plane rotation excavating chain, which connected to a variety of each with a chain link - and finger-shaped protruding Loosening elements having - conveyor blades is equipped.
  • the chain channels are made up of a lower clearing channel positioned in a ballast bed during work operation, an ascending transport channel having a discharge end and a descending empty channel.
  • Such a machine or excavating device is through EP 1 498 546 known. Since the lower Räumkanal is positioned in the working direction of the machine before the discharge end, the clearing device is pushed against the male gravel.
  • the object of the present invention is now to provide a machine of the type mentioned with an improved excavating device.
  • Fig.1 a side view of a machine with a lifting device in the labor
  • Fig. 2 a simplified plan view of the excavating device
  • Fig. 3 and 4 each a cross section through Räumkanäle
  • Fig. 5 a schematic plan view of a deflection of a Aushubkette.
  • ballast bed 3 is equipped with two rail chassis 4 and two crawler tracks 5.
  • An excavating chain 6 of an excavating device 7 is arranged on a - with respect to a working direction 8 of the machine 1 - rear frame end 9 of a vehicle frame 10 behind the rearmost chassis 4, 5.
  • the ballast picked up by the excavating chain 6 is fed to a screening plant 26.
  • the return of the cleaned ballast via a conveyor belt 27th
  • the endless Aushubkette 6 is guided in chain channels 11 in a plane of rotation 12 and connected to a plurality of each with a chain link - and finger-shaped protruding loosening elements 13 (s. Fig. 3 ) - conveying blades 14 equipped.
  • the chain channels 11 are composed of a - positioned in labor input in the ballast bed 3 - lower Räumkanal 15, an ascending, a discharge end 16 having transport channel 17 and a descending empty channel 18 together.
  • the lower Räumkanal 15 extends substantially transverse to a machine longitudinal direction and horizontally.
  • the endless trained, displaceable by a drive in rotation Aushubkette 6 is not shown by drives of a in Fig. 1 in in dash-dotted lines indicated inoperative position lowered into a working position. In this is the lower Räumkanal 15 with respect to the working direction 8 of the machine 1 behind the discharge end 16.
  • the finger-shaped loosening elements 13 in a deflection section 19 of the excavating 6 directed radially inward.
  • the deflection section 19 lies in each case in the transition region from the clearing to the transport channel 15, 17 or from the empty space to the clearing channel 18, 15.
  • FIG. 5 can be seen with respect to the plane of rotation 12 of the loosening elements 13 opposite conveyor section 20 of the conveyor blade 14 in the deflection section 19 of the excavating 6 arranged radially outside a chain orbit 21.
  • This conveying section 20 is formed larger than 50% of the entire conveying blade 14.
  • a chain-link chain 28 of the excavating chain 6 is disposed above a connected to the loosening elements 13, adjacent to the conveyor section 20 section 22 of the conveyor blades 14 ( Fig. 4 ).
  • the deflection point for the conveying blades 14 or the orbit 21 lies directly in the area of the loosening elements 13. This has the advantage that the radial velocity of the conveying blades 14 in the region of the deflection section 19 is less than the rotational speed at one known prior art pushed clearing chain.
  • the volume of a delivery chamber 23 formed by two adjacent delivery blades 14 becomes larger in the radial outward direction (see arrow 24) in the deflection section 19, whereby an increased absorption capacity is provided.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Description

Die Erfindung betrifft eine Maschine mit einer Aushubvorrichtung zur Aufnahme von Schotter eines Gleises, bestehend aus einer endlos ausgebildeten, durch einen Kettenantrieb in Rotation versetzbaren, in Kettenkanälen in einer Rotationsebene geführten Aushubkette, die mit einer Vielzahl von je mit einem Kettenglied verbundenen - und fingerförmig vorragende Auflockerungselemente aufweisenden - Förderschaufeln ausgestattet ist. Die Kettenkanäle setzen sich aus einem - im Arbeitseinsatz in einer Schotterbettung positionierten - unteren Räumkanal, einem aufsteigenden, ein Abwurfende aufweisenden Transportkanal und einem absteigenden Leerkanal zusammen.The invention relates to a machine with an excavating device for receiving ballast of a track, consisting of an endless trained, set by a chain drive in rotation, guided in chain channels in a plane rotation excavating chain, which connected to a variety of each with a chain link - and finger-shaped protruding Loosening elements having - conveyor blades is equipped. The chain channels are made up of a lower clearing channel positioned in a ballast bed during work operation, an ascending transport channel having a discharge end and a descending empty channel.

Eine derartige Maschine bzw. Aushubvorrichtung ist durch EP 1 498 546 bekannt. Da der untere Räumkanal in Arbeitsrichtung der Maschine vor dem Abwurfende positioniert ist, wird die Räumvorrichtung gegen den aufzunehmenden Schotter geschoben.Such a machine or excavating device is through EP 1 498 546 known. Since the lower Räumkanal is positioned in the working direction of the machine before the discharge end, the clearing device is pushed against the male gravel.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung einer Maschine der eingangs genannten Art mit einer verbesserten Aushubvorrichtung.The object of the present invention is now to provide a machine of the type mentioned with an improved excavating device.

Diese Aufgabe wird erfindungsgemäß mit einer Maschine der gattungsgemäßen Art dadurch gelöst, dass im Arbeitseinsatz der Aushubvorrichtung der untere Räumkanal bezüglich einer Arbeitsrichtung der Maschine hinter dem Abwurfende angeordnet ist, wobei die Auflockerungselemente in einem Umlenkabschnitt der Aushubkette vom Räum- zum Transportkanal radial nach innen gerichtet sind.This object is achieved with a machine of the generic type characterized in that in the labor input of Excavation device of the lower Räumkanal is arranged with respect to a working direction of the machine behind the discharge end, wherein the loosening elements are directed in a deflection of the Aushubkette from the Räum- to the transport channel radially inwardly.

Der besondere Vorteil dieser Ausbildung besteht darin, dass nunmehr im Umlenkungsbereich vom unteren Räumkanal zum aufsteigenden Transportkanal eine verbesserte Schotterumlenkung und damit eine erhöhte Kettenförderleistung sichergestellt ist. Es kommt nämlich zu einer verlustfreien Zwangsübergabe, da der Schotter im Umlenkungsbereich - im Vergleich zu den bekannten Ausführungen - nicht aus der durch benachbarte Förderschaufeln gebildeten Transportkammer entweichen kann, sondern vielmehr in diese hineingepresst wird. Außerdem ist die Radialgeschwindigkeit der Förderschaufeln an der Umlenkstelle geringer als die Umlaufgeschwindigkeit der Förderkette. Dies führt ebenfalls zu einer gleichmäßigeren und vollständigeren Befüllung der genannten Transportkammern.The particular advantage of this design is that now in the deflection of the lower Räumkanal to the ascending transport channel improved ballast deflection and thus increased chain conveyor capacity is ensured. It comes namely to a loss-free compulsory transfer, since the ballast in the deflection area - in comparison to the known designs - can not escape from the transport chamber formed by adjacent conveyor blades, but rather is pressed into it. In addition, the radial speed of the conveyor blades at the deflection is less than the rotational speed of the conveyor chain. This also leads to a more uniform and complete filling of said transport chambers.

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.

Im Folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher beschrieben. Es zeigen Fig.1 eine Seitenansicht einer Maschine mit einer Aushubvorrichtung im Arbeitseinsatz, Fig. 2 eine vereinfachte Draufsicht auf die Aushubvorrichtung, Fig. 3 und 4 je einen Querschnitt durch Räumkanäle und Fig. 5 eine schematisierte Draufsicht auf eine Umlenkstelle einer Aushubkette.In the following the invention will be described with reference to an embodiment shown in the drawing. Show it Fig.1 a side view of a machine with a lifting device in the labor, Fig. 2 a simplified plan view of the excavating device, Fig. 3 and 4 each a cross section through Räumkanäle and Fig. 5 a schematic plan view of a deflection of a Aushubkette.

Eine in den Fig. 1 und 2 dargestellte Maschine 1 zur Aufnahme von Schotter 2 einer Schotterbettung 3 ist mit zwei Schienenfahrwerken 4 und mit zwei Raupenfahrwerken 5 ausgestattet. Eine Aushubkette 6 einer Aushubvorrichtung 7 ist an einem - bezüglich einer Arbeitsrichtung 8 der Maschine 1 - hinteren Rahmenende 9 eines Fahrzeugrahmens 10 hinter dem hintersten Fahrwerk 4, 5 angeordnet. Der durch die Aushubkette 6 aufgenommene Schotter wird einer Siebanlage 26 zugeführt. Die Rückführung des gereinigten Schotters erfolgt über ein Förderband 27.One in the Fig. 1 and 2 illustrated machine 1 for receiving ballast 2 a ballast bed 3 is equipped with two rail chassis 4 and two crawler tracks 5. An excavating chain 6 of an excavating device 7 is arranged on a - with respect to a working direction 8 of the machine 1 - rear frame end 9 of a vehicle frame 10 behind the rearmost chassis 4, 5. The ballast picked up by the excavating chain 6 is fed to a screening plant 26. The return of the cleaned ballast via a conveyor belt 27th

Die endlose Aushubkette 6 ist in Kettenkanälen 11 in einer Rotationsebene 12 geführt und mit einer Vielzahl von je mit einem Kettenglied verbundenen - und fingerförmig vorragende Auflockerungselemente 13 (s. Fig. 3) aufweisenden - Förderschaufeln 14 ausgestattet. Die Kettenkanäle 11 setzen sich aus einem - im Arbeitseinsatz in der Schotterbettung 3 positionierten - unteren Räumkanal 15, einem aufsteigenden, ein Abwurfende 16 aufweisenden Transportkanal 17 und einem absteigenden Leerkanal 18 zusammen. Der untere Räumkanal 15 verläuft im wesentlichen quer zu einer Maschinenlängsrichtung sowie horizontal.The endless Aushubkette 6 is guided in chain channels 11 in a plane of rotation 12 and connected to a plurality of each with a chain link - and finger-shaped protruding loosening elements 13 (s. Fig. 3 ) - conveying blades 14 equipped. The chain channels 11 are composed of a - positioned in labor input in the ballast bed 3 - lower Räumkanal 15, an ascending, a discharge end 16 having transport channel 17 and a descending empty channel 18 together. The lower Räumkanal 15 extends substantially transverse to a machine longitudinal direction and horizontally.

Die endlos ausgebildete, durch einen Antrieb in Rotation versetzbare Aushubkette 6 ist durch nicht näher dargestellte Antriebe von einer in Fig. 1 in strichpunktierten Linien angedeuteten Außerbetriebstellung in eine Arbeitsstellung absenkbar. In dieser befindet sich der untere Räumkanal 15 bezüglich der Arbeitsrichtung 8 der Maschine 1 hinter dem Abwurfende 16. Dabei sind, wie in Fig. 5 ersichtlich, die fingerförmigen Auflockerungselemente 13 in einem Umlenkabschnitt 19 der Aushubkette 6 radial nach innen gerichtet. Der Umlenkabschnitt 19 liegt jeweils im Übergangsbereich vom Räum- zum Transportkanal 15, 17 bzw. vom Leerzum Räumkanal 18, 15.The endless trained, displaceable by a drive in rotation Aushubkette 6 is not shown by drives of a in Fig. 1 in in dash-dotted lines indicated inoperative position lowered into a working position. In this is the lower Räumkanal 15 with respect to the working direction 8 of the machine 1 behind the discharge end 16. Here are, as in Fig. 5 can be seen, the finger-shaped loosening elements 13 in a deflection section 19 of the excavating 6 directed radially inward. The deflection section 19 lies in each case in the transition region from the clearing to the transport channel 15, 17 or from the empty space to the clearing channel 18, 15.

Wie insbesondere in Fig. 5 ersichtlich, ist ein bezüglich der Rotationsebene 12 den Auflockerungselementen 13 gegenüberliegender Förderabschnitt 20 der Förderschaufel 14 im Umlenkabschnitt 19 der Aushubkette 6 radial außerhalb einer Kettenumlaufbahn 21 angeordnet. Dieser Förderabschnitt 20 ist größer als 50 % der gesamten Förderschaufel 14 ausgebildet. Eine Kettenglieder aufweisende Kette 28 der Aushubkette 6 ist oberhalb eines mit den Auflockerungselementen 13 verbundenen, an den Förderabschnitt 20 angrenzenden Abschnittes 22 der Förderschaufeln 14 angeordnet (Fig. 4).As in particular in Fig. 5 can be seen with respect to the plane of rotation 12 of the loosening elements 13 opposite conveyor section 20 of the conveyor blade 14 in the deflection section 19 of the excavating 6 arranged radially outside a chain orbit 21. This conveying section 20 is formed larger than 50% of the entire conveying blade 14. A chain-link chain 28 of the excavating chain 6 is disposed above a connected to the loosening elements 13, adjacent to the conveyor section 20 section 22 of the conveyor blades 14 ( Fig. 4 ).

Bei der beschriebenen Ausgestaltung der Aushubkette 6 liegt der Umlenkpunkt für die Förderschaufeln 14 bzw. die Umlaufbahn 21 direkt im Bereich der Auflockerungselemente 13. Dies hat den Vorteil, dass die Radialgeschwindigkeit der Förderschaufeln 14 im Bereich des Umlenkabschnittes 19 geringer ist als die Umlaufgeschwindigkeit bei einer aus dem Stand der Technik bekannten geschobenen Räumkette.In the described embodiment of the excavating chain 6, the deflection point for the conveying blades 14 or the orbit 21 lies directly in the area of the loosening elements 13. This has the advantage that the radial velocity of the conveying blades 14 in the region of the deflection section 19 is less than the rotational speed at one known prior art pushed clearing chain.

Wie in Fig. 5 ersichtlich, wird das Volumen einer durch zwei benachbarte Förderschaufeln 14 gebildeten Förderkammer 23 in radialer Richtung nach außen (s. Pfeil 24) im Umlenkabschnitt 19 größer, wodurch eine erhöhte Aufnahmefähigkeit gegeben ist. Außerdem werden die Förderkammern 23 - in radialer Richtung nach außen - durch eine Wand 25 des Räum- bzw. Transportkanals 15, 17 begrenzt, so dass ein Entweichen des aufgenommenen Schotters nicht möglich ist. Mit dieser Zwangsführung im problematischen Umlenkabschnitt 19 vom unteren Räumkanal 15 zum Transportkanal 17 ist eine erhöhte Räumleistung der Aushubvorrichtung 7 erzielbar.As in Fig. 5 As can be seen, the volume of a delivery chamber 23 formed by two adjacent delivery blades 14 becomes larger in the radial outward direction (see arrow 24) in the deflection section 19, whereby an increased absorption capacity is provided. In addition, the delivery chambers 23 - in the radial outward direction - limited by a wall 25 of the clearing or transport channel 15, 17, so that an escape of the recorded ballast is not possible. With this forced guidance in the problematic deflection section 19 from the lower clearing channel 15 to the transport channel 17, an increased clearance of the lifting device 7 can be achieved.

Claims (4)

  1. A machine comprising an excavation device (7) for receiving a ballast of a track, consisting of a continuous excavation chain (6), which is guided in chain channels (11) on a rotation plane (12), which chain is provided with a plurality conveying shovels (14) comprising finger-shaped, protruding loosening elements (13), wherein the chain channels (11) consist of a lower clearing channel (15) - positioned in a ballast bed when in operation - , an ascending transport channel (17) comprising a discharge end (16) and a descending emptying channel (18), characterized in that when the excavation device (7) is in operation, the lower clearing channel (15) is arranged behind the discharge end (16) with respect to the working direction (8) of the machine (1), wherein the loosening elements (13) point radially inwards in a deviation section (19) of the excavation chain (6) from the clearing channel to the transport channel (15, 17).
  2. A machine according to claim 1, characterized in that a conveying section (20) of the conveying shovel (14) opposite the loosening elements (13) in respect to the rotation plane (12) is arranged radially outside of the chain circulating path (21) in the deviation section (19) of the excavation chain (6).
  3. A machine according to claim 2, characterized in that the conveying section (20) is designed greater than 50% of the entire conveying shovel (14).
  4. A machine according to one of claims 1, 2 or 3, characterized in that the excavation chain (6) is arranged above a section (22) of the conveying shovels (14) connected to the loosening elements (13).
EP12797966.4A 2011-10-18 2012-10-05 Machine with an excavation device Active EP2804983B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01694/11A CH705701B1 (en) 2011-10-18 2011-10-18 Machine for receiving ballast of a track, with a lifting device.
PCT/IB2012/001979 WO2013057551A1 (en) 2011-10-18 2012-10-05 Machine with an excavation device

Publications (2)

Publication Number Publication Date
EP2804983A1 EP2804983A1 (en) 2014-11-26
EP2804983B1 true EP2804983B1 (en) 2016-04-13

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EP12797966.4A Active EP2804983B1 (en) 2011-10-18 2012-10-05 Machine with an excavation device

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EP (1) EP2804983B1 (en)
CH (1) CH705701B1 (en)
WO (1) WO2013057551A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104131499B (en) * 2014-08-12 2016-02-24 中国铁道科学研究院铁道建筑研究所 A kind of for sedimentation non-fragment orbit midline shift method for correcting error

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1207415B (en) * 1963-07-27 1965-12-23 Ernst Wieger Machine movable on crawlers or wheels for cleaning the ballast from trackless bedding
ATA126486A (en) * 1986-05-13 1987-05-15 Wageneder Sbm Gmbh CONVERTIBLE CONVERTIBLE TROLLEY FOR RAILWAYS ON RAILS
AT6487U3 (en) 2003-07-15 2004-10-25 Plasser Bahnbaumasch Franz ROOM CHAIN FOR THE TRANSPORT OF SCOTS OF A BEDDING
EP2054552B1 (en) * 2006-08-25 2014-01-08 Sersa Maschineller Gleisbau AG Method and device for renewing a ballast bed

Also Published As

Publication number Publication date
CH705701A2 (en) 2013-04-30
CH705701B1 (en) 2015-06-30
WO2013057551A1 (en) 2013-04-25
EP2804983A1 (en) 2014-11-26

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