EP2553177B1 - Suction machine for suctioning ballast of a track - Google Patents

Suction machine for suctioning ballast of a track Download PDF

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Publication number
EP2553177B1
EP2553177B1 EP11709001.9A EP11709001A EP2553177B1 EP 2553177 B1 EP2553177 B1 EP 2553177B1 EP 11709001 A EP11709001 A EP 11709001A EP 2553177 B1 EP2553177 B1 EP 2553177B1
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EP
European Patent Office
Prior art keywords
suction
flap
longitudinal axis
suction port
suction nozzle
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.)
Active
Application number
EP11709001.9A
Other languages
German (de)
French (fr)
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EP2553177A1 (en
Inventor
Josef Theurer
Herbert Wörgötter
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
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Plasser und Theurer Export Von Bahnbaumaschinen GmbH
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Publication of EP2553177A1 publication Critical patent/EP2553177A1/en
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Publication of EP2553177B1 publication Critical patent/EP2553177B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
    • E02F3/9268—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements
    • E02F3/9275—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements with axis of rotation parallel to longitudinal axis of the suction pipe
    • 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
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/8816—Mobile land installations
    • E02F3/8825—Mobile land installations wherein at least a part of the soil-shifting equipment is mounted on a dipper-arm, backhoes or the like
    • 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
    • E01B2203/025—Suction

Definitions

  • the invention relates to a suction machine for sucking ballast of ballast of a track according to the preamble of claim 1.
  • Such a machine is already off AT 505 910 B1 known and has in the region of the suction opening a projecting from the proboscis blade element.
  • a plurality of mutually offset blade elements are provided in this end portion of the suction tube, which - are driven by the ballast ballast and loosen this - due to the rotational movement of the suction pipe.
  • the dissolved ballast stones can then be detected by the curved blade element in the direction of rotation and fed to the suction opening for suction.
  • a suction machine with a rigid, non-rotatable proboscis is known.
  • a clearing device is arranged, which consists of up to four blade-like, distant from the suction opening in the longitudinal direction of the trunk or these upstream tools.
  • the respective rotatable about a drive unit on the basis of parallel to the trunk drive shafts tools are curved in the direction of rotation and work to the suction port of the trunk.
  • the object of the present invention is now to provide a suction machine of the type mentioned, which ensures an improved ballast intake with structurally simple design.
  • the very advantageous possibility is now created to keep the cross section of the suction pipe - with the flap in the normal position - while avoiding protruding parts very smooth and uniform. Not only does this facilitate the lowering and immersion of the lowest resistance snus into the ballast, but it also makes it possible to reduce this sinking, e.g. very close to the threshold edge. In this way, the range of swung-out in the operating position flap for clearing of the thresholds or rails befindlichem gravel can also be optimally utilized in the switch and crossing area.
  • Fig. 1 a schematic side view of a suction nozzle having an adjustable suction
  • FIGS. 2 and 3 depending on a detailed view of the inventively constructed end portion of the trunk in the basic or insertion position.
  • An in Fig. 1 1 has a machine frame 4 which can be moved on a track 3 on the basis of rail carriages 2, with the drive or work cabins 5 arranged at the end on this track.
  • the suction machine 1 is used for sucking ballast ballast 6 of the track 3 and is equipped for this purpose with an intake 7, which consists essentially of a vacuum generator 8 and a suction pipe 9 connected thereto.
  • the suction tube 9 is composed of a flexible portion 10 and a rigid suction nozzle 11 connected thereto. This is mounted on a - mounted on the machine frame 4 - displacement device 12 and formed to this movable by means of drives 13 in the transverse and vertical directions.
  • the thus freely adjustable suction pipe 11 has a longitudinal axis 14 and is by means of an optionally acted upon in both directions of rotation, reversible Rotary drive 15 rotatable about this.
  • the suction nozzle 11 has an end portion 16 on which a suction opening 18 located in a plane 17 extending perpendicularly to the longitudinal axis 14 is provided for receiving the ballast.
  • insertion position 22 protrude the two - each other with respect to the suction port 18 diametrically opposite - flaps 20 radially from the suction port 18 from.
  • the length of the flap 20 from the pivot axis 19 to one of these opposite free end 26th The flap 20 corresponds in each case to about one quarter of the circumference of the circular suction opening 18.
  • the angle of the flap 20 traversed by ⁇ can range from about 80 ° to about 100 °, whereby the two flaps 20 point in the insertion position 22 in approximately opposite directions and their Range is thus maximized.
  • tear teeth 30 are provided at a lower edge 29 of the flap 20 in the direction of the longitudinal axis 14 of the suction port 18 facing away tear teeth 30.
  • a changeover of the rotary drive 15 in the opposite direction of rotation causes an automatic and automatic return of the flaps 20 in the basic position 21, to avoid possible damage when pulling out the suction pipe 11 from the ballast ballast 6.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Soil Working Implements (AREA)

Description

Die Erfindung betrifft eine Saugmaschine zum Ansaugen von Bettungsschotter eines Gleises gemäß dem Oberbegriff von Anspruch 1.The invention relates to a suction machine for sucking ballast of ballast of a track according to the preamble of claim 1.

Eine derartige Maschine ist bereits aus AT 505 910 B1 bekannt und weist im Bereich der Saugöffnung ein vom Saugrüssel abstehendes Schaufelelement auf. Zusätzlich sind in diesem Endabschnitt des Saugrohres auch mehrere zueinander versetzt angeordnete Klingenelemente vorgesehen, die - bedingt durch die Rotationsbewegung des Saugrüssels - durch den Bettungsschotter getrieben werden und diesen auflockern. Die gelösten Schottersteine können sodann von dem in Rotationsrichtung gekrümmten Schaufelelement erfasst und der Saugöffnung zur Absaugung zugeführt werden.Such a machine is already off AT 505 910 B1 known and has in the region of the suction opening a projecting from the proboscis blade element. In addition, a plurality of mutually offset blade elements are provided in this end portion of the suction tube, which - are driven by the ballast ballast and loosen this - due to the rotational movement of the suction pipe. The dissolved ballast stones can then be detected by the curved blade element in the direction of rotation and fed to the suction opening for suction.

Gemäß DE 44 41 547 A1 ist weiters eine Saugmaschine mit einem starren, nicht drehbaren Rüssel bekannt. An diesem ist eine Räumeinrichtung angeordnet, die aus bis zu vier schaufelartigen, von der Saugöffnung in Längsrichtung des Rüssels distanzierten bzw. dieser vorgelagerten Werkzeugen besteht. Die jeweils anhand von parallel zum Rüssel verlaufenden Antriebswellen über ein Antriebsaggregat rotierbaren Werkzeuge sind in der Rotationsrichtung gekrümmt und arbeiten der Saugöffnung des Rüssels zu.According to DE 44 41 547 A1 Furthermore, a suction machine with a rigid, non-rotatable proboscis is known. At this a clearing device is arranged, which consists of up to four blade-like, distant from the suction opening in the longitudinal direction of the trunk or these upstream tools. The respective rotatable about a drive unit on the basis of parallel to the trunk drive shafts tools are curved in the direction of rotation and work to the suction port of the trunk.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung einer Saugmaschine der eingangs genannten Art, die bei konstruktiv einfacher Ausbildung eine verbesserte Schotteraufnahme gewährleistet.The object of the present invention is now to provide a suction machine of the type mentioned, which ensures an improved ballast intake with structurally simple design.

Diese Aufgabe wird mit erfindungsgemäß mit einer Saugmaschine der gattungsgemäßen Art gelöst, die die im kennzeichnenden Teil von Anspruch 1 angeführten Merkmale aufweist.This object is achieved with according to the invention with a suction machine of the generic type having the features stated in the characterizing part of claim 1.

Mit einer derartigen Ausbildung wird nun die sehr vorteilhafte Möglichkeit geschaffen, den Querschnitt des Saugrüssels - mit der Klappe in der Grundstellung - unter Vermeidung von vorstehenden Teilen sehr glatt und einheitlich zu halten. Dies erleichtert nicht nur einerseits das Absenken und Eintauchen des Rüssels mit dem geringsten Widerstand in den Schotter, sondern ermöglicht es andererseits auch, diese Absenkung z.B. sehr nah an der Schwellenkante vorzunehmen. Auf diese Weise kann die Reichweite der in die Einsatzstellung ausgeschwenkten Klappe zum Räumen von unter den Schwellen bzw. Schienen befindlichem Schotter auch im Weichen- und Kreuzungsbereich optimal ausgenützt werden.With such a configuration, the very advantageous possibility is now created to keep the cross section of the suction pipe - with the flap in the normal position - while avoiding protruding parts very smooth and uniform. Not only does this facilitate the lowering and immersion of the lowest resistance snus into the ballast, but it also makes it possible to reduce this sinking, e.g. very close to the threshold edge. In this way, the range of swung-out in the operating position flap for clearing of the thresholds or rails befindlichem gravel can also be optimally utilized in the switch and crossing area.

In Zusammenhang mit dem Merkmal gemäß Anspruch 2 ergibt sich weiters der wirtschaftliche Vorteil, dass die Klappe nun ohne Notwendigkeit eines eigenen Antriebs durch simples Reversieren des Drehantriebs wieder selbsttätig in die Grundstellung zurückversetzt werden kann, wodurch sich das Herausziehen des Rüssels aus dem Schotterbett weitgehend problemlos gestaltet.In connection with the feature according to claim 2 further results in the economic advantage that the flap can now be automatically returned to the normal position by simply reversing the rotary drive without the need for its own drive, making the withdrawal of the trunk from the ballast largely problem-free ,

Weitere Vorteile der Erfindung ergeben sich zusätzlich aus den übrigen Unteransprüchen und der Zeichnungsbeschreibung.Further advantages of the invention will become apparent from the other dependent claims and the drawing description.

Im Folgenden wird die Erfindung anhand von in der Zeichnung dargestellten Ausführungsbeispielen näher beschrieben. Es zeigen:In the following the invention will be described in more detail with reference to embodiments shown in the drawing. Show it:

Fig. 1 eine schematische Seitenansicht einer einen verstellbaren Saugrüssel aufweisenden Saugmaschine, und Fig. 1 a schematic side view of a suction nozzle having an adjustable suction, and

Fig. 2 und 3 je eine Detailansicht des erfindungsgemäß ausgebildeten Endabschnittes des Rüssels in der Grund- bzw. Einsatzstellung. FIGS. 2 and 3 depending on a detailed view of the inventively constructed end portion of the trunk in the basic or insertion position.

Eine in Fig. 1 dargestellte Saugmaschine 1 weist einen anhand von Schienenfahrwerken 2 auf einem Gleis 3 verfahrbaren Maschinenrahmen 4 mit endseitig an diesem angeordneten Fahr- bzw. Arbeitskabinen 5 auf. Die Saugmaschine 1 dient zum Ansaugen von Bettungsschotter 6 des Gleises 3 und ist zu diesem Zweck mit einer Sauganlage 7 ausgestattet, die im Wesentlichen aus einem Unterdruckerzeuger 8 und einem mit diesem verbundenen Saugrohr 9 besteht.An in Fig. 1 1 has a machine frame 4 which can be moved on a track 3 on the basis of rail carriages 2, with the drive or work cabins 5 arranged at the end on this track. The suction machine 1 is used for sucking ballast ballast 6 of the track 3 and is equipped for this purpose with an intake 7, which consists essentially of a vacuum generator 8 and a suction pipe 9 connected thereto.

Das Saugrohr 9 setzt sich aus einem flexiblen Abschnitt 10 und einem mit diesem verbundenen, starren Saugrüssel 11 zusammen. Dieser ist auf einer - auf dem Maschinenrahmen 4 montierten - Verschiebeeinrichtung 12 gelagert und zu diesem anhand von Antrieben 13 in Quer- und Vertikalrichtung bewegbar ausgebildet. Der solcherart frei verstellbare Saugrüssel 11 weist eine Längsachse 14 auf und ist mit Hilfe eines wahlweise in beiden Drehrichtungen beaufschlagbaren, reversiblen Drehantriebes 15 um diese rotierbar. Am unteren Ende weist der Saugrüssel 11 einen Endabschnitt 16 auf, an dem eine in einer senkrecht zur Längsachse 14 verlaufenden Ebene 17 liegende Saugöffnung 18 zur Schotteraufnahme vorgesehen ist.The suction tube 9 is composed of a flexible portion 10 and a rigid suction nozzle 11 connected thereto. This is mounted on a - mounted on the machine frame 4 - displacement device 12 and formed to this movable by means of drives 13 in the transverse and vertical directions. The thus freely adjustable suction pipe 11 has a longitudinal axis 14 and is by means of an optionally acted upon in both directions of rotation, reversible Rotary drive 15 rotatable about this. At the lower end, the suction nozzle 11 has an end portion 16 on which a suction opening 18 located in a plane 17 extending perpendicularly to the longitudinal axis 14 is provided for receiving the ballast.

Wie nun weiters in den Fig. 2 und 3 in größerem Detail ersichtlich, sind am Endabschnitt 16 des Saugrüssels 11 im Bereich der Saugöffnung 18 zwei Klappen 20 angeordnet, die jeweils um eine parallel zur Längsachse 14 verlaufende Schwenkachse 19 zwischen einer Grundstellung 21 (Fig. 2) und einer Einsatzstellung 22 (Fig. 3) verschwenkbar ausgebildet sind. Anschläge 23 bzw. 24 dienen dabei zur Begrenzung der Verschwenkbewegung der Klappen 20 in der jeweiligen Stellung 21 oder 22.How now in the FIGS. 2 and 3 seen in greater detail, 18 two flaps 20 are arranged at the end portion 16 of the suction pipe 11 in the region of the suction opening, which in each case about a parallel to the longitudinal axis 14 extending pivot axis 19 between a basic position 21 (FIGS. Fig. 2 ) and a deployment position 22 (FIG. Fig. 3 ) are formed pivotable. Stops 23 and 24 serve to limit the pivoting movement of the flaps 20 in the respective position 21 or 22nd

In der in Fig. 2 gezeigten Grundstellung 21 bildet die Klappe 20 - in Richtung der Längsachse 14 gesehen - jeweils einen Teil des Querschnittes 25 des Saugrüssels 11. Die Klappe 20 ist somit praktisch bündig in eine Wand 27 des Saugrüssels 11 integriert, so dass kein Teil der Klappe 20 über den genannten Querschnitt 25 nach außen vorragt. Dies gewährleistet ein völlig problemloses Absenken des Saugrüssels 11 in den Bettungsschotter 6 des Gleises 3.In the in Fig. 2 shown basic position 21 forms the flap 20 - viewed in the direction of the longitudinal axis 14 - each a part of the cross section 25 of the suction pipe 11. The flap 20 is thus practically flush in a wall 27 of the suction pipe 11 integrated so that no part of the flap 20 on the mentioned cross-section 25 protrudes outward. This ensures a completely trouble-free lowering of the suction pipe 11 in the ballast ballast 6 of the track. 3

In der in Fig. 3 dargestellten Einsatzstellung 22 ragen die beiden - einander bezüglich der Saugöffnung 18 diametral gegenüberliegenden - Klappen 20 radial von der Saugöffnung 18 ab. Die Länge der Klappe 20 von der Schwenkachse 19 bis zu einem dieser gegenüberliegenden freien Ende 26 der Klappe 20 entspricht jeweils etwa einem Viertel des Umfanges der kreisförmigen Saugöffnung 18. Der von der Klappe 20 durchwanderte Schwenkwinkel α kann von etwa 80° bis etwa 100° reichen, wodurch die beiden Klappen 20 in der Einsatzstellung 22 in annähernd entgegengesetzte Richtung weisen und deren Reichweite somit maximiert ist. An einer Unterkante 29 der Klappe 20 sind in Richtung der Längsachse 14 von der Saugöffnung 18 weg weisende Aufreiß-Zähne 30 vorgesehen.In the in Fig. 3 shown insertion position 22 protrude the two - each other with respect to the suction port 18 diametrically opposite - flaps 20 radially from the suction port 18 from. The length of the flap 20 from the pivot axis 19 to one of these opposite free end 26th The flap 20 corresponds in each case to about one quarter of the circumference of the circular suction opening 18. The angle of the flap 20 traversed by α can range from about 80 ° to about 100 °, whereby the two flaps 20 point in the insertion position 22 in approximately opposite directions and their Range is thus maximized. At a lower edge 29 of the flap 20 in the direction of the longitudinal axis 14 of the suction port 18 facing away tear teeth 30 are provided.

Zusätzlich weist der Saugrüssel 11 in der Wand 27 des Endabschnittes 16 im Bereich zwischen den Klappen 20 angeordnete Öffnungen 28 auf. Dadurch wird es ermöglicht, nachdem der Saugrüssel 11 mit den in der Grundstellung 21 geschlossenen Klappen 20 in den Bettungsschotter 6 abgesenkt wurde, dass Schotter durch diese Öffnungen 28 in den Bereich zwischen den beiden Klappen 20 eindringt. In weiterer Folge wird dieser Schotter, bedingt durch die Drehung des Saugrüssels 11 um die Längsachse 14, von innen gegen die Klappen 20 gepresst und drückt diese (ohne Zuhilfenahme eines etwaigen Schwenkantriebes) automatisch nach außen in die Einsatzstellung 22.In addition, the suction nozzle 11 in the wall 27 of the end portion 16 in the region between the flaps 20 arranged openings 28. This makes it possible, after the suction nozzle 11 has been lowered with the closed in the normal position 21 flaps 20 in the ballast crushing 6 that gravel penetrates through these openings 28 in the area between the two flaps 20. Subsequently, this ballast, due to the rotation of the suction pipe 11 about the longitudinal axis 14, pressed from the inside against the flaps 20 and pushes them (without the aid of any pivot drive) automatically outward into the insertion position 22nd

In analog umgekehrter Weise bewirkt eine Umschaltung des Drehantriebs 15 in die entgegengesetzte Rotationsrichtung eine automatische und selbsttätige Rückstellung der Klappen 20 in die Grundstellung 21, um eine mögliche Beschädigung beim Herausziehen des Saugrüssels 11 aus dem Bettungsschotter 6 zu vermeiden.In an analogously reverse manner, a changeover of the rotary drive 15 in the opposite direction of rotation causes an automatic and automatic return of the flaps 20 in the basic position 21, to avoid possible damage when pulling out the suction pipe 11 from the ballast ballast 6.

Claims (6)

  1. A suction machine (1) for aspirating bedding ballast (6) of a track (3), including a machine frame (4), mobile on on-track undercarriages (2) and comprising a vacuum generator (8), and a suction pipe (9) transversely and vertically adjustable relative to the machine frame (4) by means of a displacement device (12) having drives (13), wherein a suction nozzle (11) - connected to the suction pipe (9) which has a longitudinal axis (14) and is movable by the displacement device (12) - has, at an end section (16), a suction port (18) for taking up ballast, the suction port (18) lying in a plane (17) extending perpendicularly to the longitudinal axis (14), and wherein a rotation drive (15) is associated with the suction nozzle (11) mounted for rotation about its longitudinal axis (14), characterized by the following features:
    a) in the region of the suction port (18), the end section (16) of the suction nozzle (11) has at least one flap (20) designed to swivel about a swivel axis (19), extending parallel to the longitudinal axis (14), between a base position (21) and an operative position (22),
    b) in the base position (21), the flap (20) - as seen in the direction of the longitudinal axis (14) - forms part of the cross-section (25) of the suction nozzle,
    c) in the operative position (22), the flap (20) projects radially from the suction port (18) of the suction nozzle (11), wherein the swivelling motion of the flap (20) is delimited in the two end positions by a respective stop (23, 24).
  2. A suction machine according to claim 1, characterized in that the rotation drive (15) of the suction nozzle (11) is designed to be reversible.
  3. A suction machine according to claim 1 or 2, characterized in that two flaps (20) are provided, lying diametrically opposite one another with regard to the suction port (18), wherein the length of the flap (20) from the swivel axis (19) to a free end (26) of the flap (20) corresponds in each case to approximately a quarter of the circumference of the circular suction port (18).
  4. A suction machine according to one of claims 1 to 3, characterized in that the flap (20) has, at a lower edge (29), ripping teeth (30) projecting from the suction port (18) in the direction of the longitudinal axis (14).
  5. A suction machine according to one of claims 3 or 4, characterized in that, in the area between the flaps (20), the suction nozzle (11) has in each case additional openings (28) in a wall (27) of the end section (16).
  6. A suction machine according to one of claims 1 to 5, characterized in that the flap (20) is designed to swivel through a swivel angle α of about 80° to about 100°.
EP11709001.9A 2010-03-30 2011-03-04 Suction machine for suctioning ballast of a track Active EP2553177B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT5092010A AT508931B1 (en) 2010-03-30 2010-03-30 SUCTION MACHINE FOR SUCTION OF BREATHING GRILL OF A TRAIL
PCT/EP2011/001070 WO2011120621A1 (en) 2010-03-30 2011-03-04 Suction machine for suctioning ballast of a track

Publications (2)

Publication Number Publication Date
EP2553177A1 EP2553177A1 (en) 2013-02-06
EP2553177B1 true EP2553177B1 (en) 2016-05-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11709001.9A Active EP2553177B1 (en) 2010-03-30 2011-03-04 Suction machine for suctioning ballast of a track

Country Status (8)

Country Link
EP (1) EP2553177B1 (en)
JP (1) JP5808388B2 (en)
CN (1) CN102803619B (en)
AT (1) AT508931B1 (en)
BR (1) BR112012024483B1 (en)
ES (1) ES2586233T3 (en)
PL (1) PL2553177T3 (en)
WO (1) WO2011120621A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011119924A1 (en) * 2011-12-02 2013-06-06 Alfons Braun Side changeable power arm
CN103469838B (en) * 2013-08-20 2016-05-18 中交广州航道局有限公司 Dual channel is inhaled silt head

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1634990C3 (en) * 1966-09-09 1975-03-06 Schuettgutfoerdertechnik Ag, Zug (Schweiz) Suction head for suction excavators
JPS6019838A (en) * 1983-07-12 1985-02-01 Hitachi Metals Ltd Sucker for sedimented sand
FR2606051B1 (en) * 1986-10-30 1991-11-15 Gosselin Claude PUBLIC WORKS MACHINE FOR THE REALIZATION OF TRENCHES
JP2869473B2 (en) * 1991-05-15 1999-03-10 株式会社ハッコー Soil rig
DE59303574D1 (en) * 1992-12-16 1996-10-02 Plasser Bahnbaumasch Franz Suction machine
EP0678621B1 (en) * 1994-04-18 1998-11-25 Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. Machine for taking up ballast by suction
DE4441547A1 (en) 1994-11-22 1996-05-23 Cronau Heinrich Gmbh Sweeping device for hose of suction pump
JP3023950B2 (en) * 1996-02-21 2000-03-21 株式会社角藤 Enlarged bottom method and excavated casing in all-turn type casing excavation method
CN2310789Y (en) * 1997-10-07 1999-03-17 宜兴环保科技工业园电力环保设备厂 Scan pump dredger
DE50109986D1 (en) * 2000-01-31 2006-07-20 Dietmar Frick Mobile crushing device
DE10012281A1 (en) * 2000-03-14 2001-05-23 Ludwig Schnell Underwater sand or gravel extraction device uses periodic injection of pressurized air or generation of vacuum, cutting screw and pressurized air lifting system
AT505910B1 (en) * 2007-11-27 2009-05-15 Plasser Bahnbaumasch Franz SUCTION MACHINE FOR SUCTION OF BREATHING GRILL OF A TRAIL
CN101949141A (en) * 2010-09-28 2011-01-19 武汉长海高新技术有限公司 Sand-dust removing device

Also Published As

Publication number Publication date
EP2553177A1 (en) 2013-02-06
BR112012024483A2 (en) 2016-05-31
AT508931B1 (en) 2011-05-15
PL2553177T3 (en) 2017-09-29
JP2013524047A (en) 2013-06-17
JP5808388B2 (en) 2015-11-10
ES2586233T3 (en) 2016-10-13
CN102803619B (en) 2015-03-18
WO2011120621A1 (en) 2011-10-06
BR112012024483B1 (en) 2019-07-30
AT508931A4 (en) 2011-05-15
CN102803619A (en) 2012-11-28

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