WO2023078733A1 - Machine comprenant un appareil de réception de ballast - Google Patents

Machine comprenant un appareil de réception de ballast Download PDF

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Publication number
WO2023078733A1
WO2023078733A1 PCT/EP2022/079768 EP2022079768W WO2023078733A1 WO 2023078733 A1 WO2023078733 A1 WO 2023078733A1 EP 2022079768 W EP2022079768 W EP 2022079768W WO 2023078733 A1 WO2023078733 A1 WO 2023078733A1
Authority
WO
WIPO (PCT)
Prior art keywords
ballast
channel
machine
conveyor
chain
Prior art date
Application number
PCT/EP2022/079768
Other languages
German (de)
English (en)
Inventor
Patrick HÖTZENDORFER
Florian MATZINGER
Christian RATZINGER
Original Assignee
Plasser & Theurer, Export von Bahnbaumaschinen, Gesellschaft m.b.H.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plasser & Theurer, Export von Bahnbaumaschinen, Gesellschaft m.b.H. filed Critical Plasser & Theurer, Export von Bahnbaumaschinen, Gesellschaft m.b.H.
Publication of WO2023078733A1 publication Critical patent/WO2023078733A1/fr

Links

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
    • E01B27/04—Removing the ballast; Machines therefor, whether or not additionally adapted for taking-up ballast
    • 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
    • E01B27/10—Renewing or cleaning the ballast in situ, with or without concurrent work on the track without taking-up track
    • 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
    • E01B2203/02—Removing or re-contouring ballast
    • E01B2203/022—Horizontal chain

Definitions

  • the invention relates to a machine with a ballast pick-up device for picking up ballast located below a track using an endless clearing chain guided in a chain channel, the chain channel being composed of a transverse channel that can be positioned below the track, an empty channel and a transport channel provided for transporting ballast .
  • a generic machine is known from AT 518225 A1. It is used to clean the ballast bed of a track.
  • the machine drives on the track, with a revolving clearing chain enclosing the track, which consists of sleepers and rails attached to them.
  • the clearing chain runs almost parallel to the sleepers in a transverse channel.
  • finger-like extensions on chain links of the clearing chain loosen the ballast from the ballast bed and convey it in the direction of a subsequent transport channel.
  • the ballast is transported upwards to a screening plant. After an upper deflection, the chain links are guided back in the direction of the track in an empty channel.
  • the transverse channel is installed in an exposed trench below the track.
  • either the chain channel and the clearing chain are released or the track is temporarily severed.
  • the track remains passable because cleaned ballast is placed on the exposed subgrade immediately behind the work site.
  • the possible cleaning width is determined by the length of the transverse channel.
  • the object of the invention is to improve a machine of the type mentioned at the outset in such a way that trouble-free operation with a high work output is ensured regardless of the degree of soiling of the ballast bed.
  • a conveyor for transporting ballast in the direction of the transport channel is arranged along an upper edge of the transverse channel. With this additional device, the movement of the ballast is increased so that all of it enters the transport channel. Gravel portions or lumps that may migrate over the clearing chain are picked up by the conveyor and conveyed to the inlet of the transport channel.
  • the additional force breaks up lumps of ballast, which means that the subsequent screening process is also more effective.
  • a transport direction of the conveying device runs parallel to a direction of rotation of the clearing chain in the transverse channel.
  • the conveying device and the clearing chain are particularly effective when transporting ballast into the transport channel.
  • a ballast guide vane that can be pivoted about a pivot axis is arranged on the outer edge of a lower ballast inlet opening of the transport channel.
  • the conveying device comprises a hydraulic motor or an electric motor as the drive unit.
  • a hydraulic motor (hydraulic motor) has the advantage of a small and robust design with a comparatively high nominal power.
  • a hydraulic system that is present in the machine can be used if necessary.
  • An electric motor is generally more efficient and can be retrofitted to an existing machine using an electrical cable that is easy to install.
  • a sensor for detecting accumulated gravel is arranged above the conveyor, the sensor being coupled to the drive unit of the conveyor.
  • This modification enables situation-dependent operation of the conveyor. Only when the sensor detects insufficient removal of the ballast by the clearing chain does the conveyor system activate automatically. This saves energy and protects the conveyor system, which means longer maintenance intervals.
  • a simple embodiment of the invention provides that the conveyor comprises a conveyor belt or a conveyor chain with circulating drivers. Such a device is easy to manufacture. In addition, individual chain links and carriers (shovels) can be exchanged if there are signs of wear.
  • the conveyor device is a screw conveyor with an axis of rotation, in particular, running parallel to the transverse channel.
  • This screw conveyor ensures a continuous movement of ballast in the direction of the transport channel with low energy consumption.
  • the by the rotating auger Forces exerted by lumps of ballast result in rapid splitting into individual grains of ballast.
  • the dimensions of the screw conveyor are smaller compared to other designs with the same conveying capacity, so that installation is also possible in tight spaces.
  • the screw conveyor is arranged along a section of the transverse channel adjoining the transport channel.
  • the screw conveyor acts at the most critical point, namely directly in front of the transition between the cross channel and the transport channel. The additional ballast movement by means of the conveying device avoids a ballast jam at the inlet of the transport channel.
  • the transverse channel comprises two transverse channel sections which are connected by a joint, the screw conveyor comprising two screw conveyors which are connected in the area of the joint by means of a coupling.
  • the transverse channel is also connected to the empty channel and the transport channel via joints.
  • the coupling between the screw conveyors is, for example, a claw coupling that allows the screw conveyors to be pivoted relative to one another. In this way, the augers move together with the associated transverse channel sections when a change in the Clearing width takes place.
  • the coupling also enables the arrangement of a common drive, which saves space.
  • each screw conveyor is equipped with its own drive.
  • Fig. 1 Machine on a track in a side view
  • FIG. 4 Top view of an alternative ballast pick-up device with a conveyor device along the entire transverse channel
  • FIG. 5 front view of the ballast pick-up device according to FIG. 4;
  • FIG. 6 side view of a ballast pick-up device in the area below the track
  • the machine 1 shown in FIG. 1 is a cleaning machine for ballast 3 that can be moved on a track 2 and in which the track 2 is mounted.
  • the machine 1 can also be designed as an entire track renewal train or as a subgrade improvement machine.
  • the machine 1 comprises a ballast pick-up device 4 with a chain channel 5 in which an endless clearing chain 6 is guided.
  • the clearing chain 6 consists of articulated chain links with scraper fingers and is driven at an upper deflection point 7 by means of a sprocket drive 8 .
  • the clearing chain 6 surrounds the track 2, which is formed from sleepers 9 and rails 10 attached to it.
  • the clearing chain 6 is guided from the upper deflection point 7 in an empty channel 11 to a second deflection point 12 below the track 2.
  • one end of a transverse channel 13 connects to the empty channel 11 with an articulated connection.
  • the clearing chain 6 runs below the track 2.
  • the clearing chain 6 loosens ballast grains from the ballast bed 3 during a forward movement of the machine 1 in the direction of travel 14.
  • ballast 3 enters this transport channel 16.
  • the screened ballast 3 is conveyed back under the track 2 via a loading device 19, where it again forms a support for the sleepers 9.
  • Overburden separated from the cleaned ballast 3 is conveyed to the end of the machine 1 via a conveyor belt 20 and is transferred there to a storage wagon.
  • ballast guide vane 22 In order to expand a clearing width 21, lateral ballast guide vanes 22 are advantageously arranged.
  • a ballast guide vane 22 is arranged on the outer edge of the lower opening 17 of the transport channel 16 so that it can be pivoted about a vertical pivot axis 23 .
  • This ballast guide vane 22 prevents ballast 3 loosened by the clearing chain 6 from flowing past the outside of the lower opening 17 of the transport channel 16 in the event of an accumulation/storage of the ballast 3 .
  • the position of the respective ballast guide vane 22 is changed by means of an associated actuator 24.
  • a conveyor device 26 for transporting ballast 3 in the direction of the transport channel 16 is arranged along an upper edge 25 of the transverse channel 13 .
  • a transport direction I of this conveying device 26 advantageously runs parallel to a direction of rotation 28 of the clearing chain 6 in the transverse channel 13. This optimizes the conveying of the ballast 3 into the lower opening 17 of the transport channel 16.
  • the conveying device 26 prevents an unfavorable accumulation of the ballast 3 in front of the transverse channel 13 and subsequently an overflow of the transverse channel 13.
  • the conveyor 26 comprises a conveyor chain or a conveyor belt with two deflections.
  • the conveying direction runs parallel to the transverse channel 13 in the direction of the lower opening 17 of the transport channel 16.
  • the deflections take place by means of horizontally aligned deflection rollers, one deflection roller being coupled to a drive.
  • Drivers (shovels) for the individual gravel grains are arranged on an outside of the conveyor chain or the conveyor belt.
  • An improved variant comprises a screw conveyor 29 with an axis of rotation 30 which preferably runs parallel to the transverse channel 13.
  • a screw conveyor 31 rotating about the axis of rotation 30 picks up the ballast 3 moving across the transverse channel 13 and conveys it in the direction of the lower opening 17 of the transport channel 16. Ballast conglomerates that occur when the ballast bed 3 is heavily soiled are broken up by the rotating screw conveyor 31, whereby the Transport and cleaning of the gravel 3 is facilitated.
  • FIGS. 2 and 3 show an embodiment of a ballast pick-up device 4 that can be used in general.
  • a free end of the screw conveyor 31 is placed immediately in front of the lower opening 17 of the transport channel 16 .
  • a drive unit 33 is arranged at the other end of the screw conveyor 31 .
  • This drive unit 33 includes, for example, a hydraulic motor that is connected to a hydraulic system of the machine 1 .
  • an electric motor is provided. This is particularly suitable when retrofitting an existing ballast pick-up device 4 because an electrically driven screw conveyor 29 can be integrated more easily into an existing system.
  • a sensor 34 is arranged on the conveyor 26, which detects a gravel jam. This is done, for example, by means of a mechanical or optical encoder. The area in front of the transverse channel 13 is monitored with this sensor 34. As soon as too much gravel 3 accumulates, which can no longer be sufficiently moved in the direction of the clearing chain 6 Transport channel 16 is transported, the sensor 34 reports a gravel jam. The conveyor device 26 is automatically activated with this message signal. This ensures that the conveyor device 26 only runs when it is actually needed.
  • the conveying device 26 extends over the entire length of the transverse channel 13 (FIGS. 5, 6).
  • the effect of the conveying device 26 extends over the entire clearing width 21.
  • the increase in performance thus achieved ensures that the entire ballast material is conveyed above the clearing chain 6 in the direction of the transport channel 16, particularly in the case of large excavation depths.
  • slab-like conglomerates are broken up that occur on very heavily contaminated subsoil (e.g. clay). With a conventional ballast pick-up device 4, these slabs can migrate over the transverse channel 13 due to the propulsion of the machine 1 and break behind them and fall onto the subgrade.
  • two screw conveyors 31 are preferably coupled by means of a flexible quick coupling 35.
  • one of the two screw conveyors 31 is connected directly to a drive unit 33 and the second screw conveyor 31 is connected to the first screw conveyor 31 via a claw coupling 35 .
  • a torque generated by the drive unit 33 is transmitted to both screw conveyors 31, with the flexible coupling 35 enabling a changeable angular position of the two screw conveyors 31 relative to one another.
  • Such a screw conveyor 29, like the screw conveyor 29 according to FIGS. 2 and 3, is suitable for a ballast receiving device 4 with a divided transverse channel 13.
  • two transverse channel sections 36 are connected by means of a joint 37 .
  • the transverse channel 13 can be bent at the point of the joint 37, as a result of which the effective clearing width 21 can be adjusted.
  • the raised transverse channel 13 is also bent for transfer journeys in order to stay within a permitted light profile. If there are two screw conveyors 31, the divisible coupling 35 enables the screw conveyor 29 to bend accordingly.
  • the cross section in Fig. 6 refers to both variants and shows the position of the screw conveyor 29 in relation to the clearing chain 6.

Landscapes

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

Abstract

L'invention concerne une machine (1) comprenant un appareil de réception de ballast (4) destiné à recevoir le ballast (3) situé au-dessous d'une piste (2) au moyen d'une chaîne d'excavation continue (6) s'étendant dans un canal en chaîne (5). Ledit canal en chaîne (5) est constitué d'un canal transversal (13) qui peut être positionné sous la piste (2), d'un canal vide (11), et d'un canal de transport (16) prévu pour transporter le ballast. Un dispositif de transport (26) destiné au transport du ballast (3) vers le canal de transport (16) est situé le long d'un bord supérieur (25) du canal transversal (13). Au moyen de ce dispositif (26) supplémentaire, le déplacement du ballast (3) est accru de telle sorte que la totalité du ballast atteigne le canal de transport (16).
PCT/EP2022/079768 2021-11-02 2022-10-25 Machine comprenant un appareil de réception de ballast WO2023078733A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50864/2021A AT525266B1 (de) 2021-11-02 2021-11-02 Maschine mit einer Schotteraufnahmevorrichtung
ATA50864/2021 2021-11-02

Publications (1)

Publication Number Publication Date
WO2023078733A1 true WO2023078733A1 (fr) 2023-05-11

Family

ID=84360721

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/079768 WO2023078733A1 (fr) 2021-11-02 2022-10-25 Machine comprenant un appareil de réception de ballast

Country Status (2)

Country Link
AT (1) AT525266B1 (fr)
WO (1) WO2023078733A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2550820A1 (de) * 1974-11-15 1976-05-20 Plasser Bahnbaumasch Franz Verfahren und vorrichtung zum waschen des bettungsschotters von eisenbahngleisen
AT352168B (de) * 1975-11-10 1979-09-10 Knape Fritz Bettungsbehandlungsmaschine
DE3424687A1 (de) * 1983-12-22 1985-07-04 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mbh, Wien Gleisbaumaschine mit siebanlage fuer schuettgut, schotter u.dgl.
AT518225A1 (de) 2016-01-29 2017-08-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Maschine mit einer Schotteraufnahmevorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB366857A (en) * 1930-07-28 1932-02-11 Maurice Henri Lemaire Systems for continuously cleaning the ballast of railway tracks
AT379176B (de) * 1981-12-22 1985-11-25 Plasser Bahnbaumasch Franz Fahrbare anlage und verfahren zur kontinuierlich fortschreitenden sanierung des gleisunterbaues
AT505910B1 (de) * 2007-11-27 2009-05-15 Plasser Bahnbaumasch Franz Saugmaschine zum ansaugen von bettungsschotter eines gleises
CN203593922U (zh) * 2013-12-13 2014-05-14 昆明中铁大型养路机械集团有限公司 一种隧道道床换砟机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2550820A1 (de) * 1974-11-15 1976-05-20 Plasser Bahnbaumasch Franz Verfahren und vorrichtung zum waschen des bettungsschotters von eisenbahngleisen
AT352168B (de) * 1975-11-10 1979-09-10 Knape Fritz Bettungsbehandlungsmaschine
DE3424687A1 (de) * 1983-12-22 1985-07-04 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mbh, Wien Gleisbaumaschine mit siebanlage fuer schuettgut, schotter u.dgl.
AT518225A1 (de) 2016-01-29 2017-08-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Maschine mit einer Schotteraufnahmevorrichtung

Also Published As

Publication number Publication date
AT525266B1 (de) 2023-02-15
AT525266A4 (de) 2023-02-15

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