EP2691574B1 - Tamping pick - Google Patents

Tamping pick Download PDF

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Publication number
EP2691574B1
EP2691574B1 EP12707484.7A EP12707484A EP2691574B1 EP 2691574 B1 EP2691574 B1 EP 2691574B1 EP 12707484 A EP12707484 A EP 12707484A EP 2691574 B1 EP2691574 B1 EP 2691574B1
Authority
EP
European Patent Office
Prior art keywords
pad
tine
tamping
armouring
rear side
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
EP12707484.7A
Other languages
German (de)
French (fr)
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EP2691574A1 (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
Original Assignee
Plasser und Theurer Export Von Bahnbaumaschinen GmbH
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Publication of EP2691574A1 publication Critical patent/EP2691574A1/en
Application granted granted Critical
Publication of EP2691574B1 publication Critical patent/EP2691574B1/en
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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
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/20—Compacting the material of the track-carrying ballastway, e.g. by vibrating the track, by surface vibrators
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E01B27/16—Sleeper-tamping machines

Definitions

  • the invention relates to a tamping pick according to the preamble of claim 1.
  • the object of the present invention is now to provide a stuffing pick of the type mentioned, which can be produced efficiently and at the same time has a high abrasion resistance.
  • Such an armor leads to an optimum protection of the hard metal supports in their end.
  • the use of different electrodes is possible, whereby different, abrasion-resistant materials can be applied.
  • the lifetime of the stuffed pot is thus significantly increased overall.
  • the direct Comparison with an armor made of soldered carbide supports cheaper build-up welding significantly reduces the total cost of the stuffing peg.
  • FIG. 1 a side view of a stuffing machine
  • FIGS. 2 and 3 perspective views of the front and back of a stuffed peg
  • Fig. 4 5
  • Fig. 6 a view according to arrow VI in Fig. 4
  • Fig. 7 a side view of a variant of a stuffed pot.
  • Tamping machine 1 shown consists essentially of a supported on rail chassis 2 on a track 3 machine frame 4. At this stuffing tamping 5 exhibiting tamping unit 6 for clogging of sleepers 7 of the track 3 is arranged.
  • Tamping pick 5 shown in detail consists of a picking shaft 8 and a pick plate 9 positioned at the lower end thereof.
  • This pick plate has a plate lower edge 10 that is distanced from the picking shaft 8.
  • the pick plate 9 further has spaced apart in the direction of the plate lower edge 10 from each other and normal to this extending plate side surfaces 11. These connect in each case a plate front side 12 with a plate rear side 13 of the picking plate 9.
  • the hard metal supports 14 located next to each other along the lower edge 10 of the plate form a common boundary line 15 both on the front plate 12 and on the back of the plate 13.
  • each delimiting line 15 is a build-up weld which lifts off from a plane 16 of the front or rear side 12, 13 of the plate provided as an armor 17.
  • the armor 17 is formed in the form of a parallel to the boundary line 15 extending bead 18.
  • Each boundary line 15 and each weld bead 18 is arranged to extend parallel to the lower plate edge 10.
  • Each weld bead 18 has a boundary plane 19 which is distant from the plate front or rear side 12, 13 and parallel to it. This is produced by milling off the weld bead 18 and forms an extension of a ballast contact surface 20 formed by the hard metal supports 14.
  • the armoring 17 connected to the panel front 12 is positioned approximately centrally with respect to a panel height h ( Fig. 4 ).
  • the armoring 17 connected to the rear of the plate 13 is positioned in a section 21 immediately following the lower edge of the plate 10 ( Fig. 3 ).
  • the Fig. 4 to 7 show a stuffing tine 5, which are arranged on the Plattenvorder- and -schreibseite 12, 13 armor 17 connected by a respectively connected to the plate side surface 11, side armor 22. This also extends beyond the plate side surfaces 11th adjacent areas 23 of the Plattenvorder- and -schreibseite 12, 13.
  • the likewise formed from weld beads 24 side armor 22 are milled so that they form a common plane 26 with side surfaces 25 of the hard metal supports 14.
  • the weld beads 24 located in the regions 23 are advantageously milled so that they are located within the boundary plane 19.

Description

Die Erfindung betrifft einen Stopfpickel gemäß dem Oberbegriff von Anspruch 1.The invention relates to a tamping pick according to the preamble of claim 1.

Ein derartiger Stopfpickel ist bereits durch EP 1 329 554 A1 bekannt. Die gesamte Plattenvorder- und -rückseite der Pickelplatte sind mit Hartmetallplättchen bedeckt. Im Bereich der Plattenseitenflächen sind zylinderförmige Hartmetalleinlagen vorgesehen, die in entsprechenden Bohrungen der Pickelplatte positioniert sind.Such a stuffing pommel is already through EP 1 329 554 A1 known. The entire plate front and back of the pimple plate are covered with carbide tips. In the area of the plate side surfaces cylindrical cemented carbide inserts are provided, which are positioned in corresponding holes of the picking plate.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eines Stopfpickels der eingangs genannten Art, der effizient hergestellt werden kann und gleichzeitig eine hohe Abriebfestigkeit aufweist.The object of the present invention is now to provide a stuffing pick of the type mentioned, which can be produced efficiently and at the same time has a high abrasion resistance.

Diese Aufgabe wird erfindungsgemäß mit einem Stopfpickel der gattungsgemäßen Art durch die im kennzeichnenden Teil von Anspruch 1 angeführten Merkmale gelöst.This object is achieved with a tamping pick of the generic type by the features stated in the characterizing part of claim 1.

Eine derartige Aufpanzerung führt zu einem optimalen Schutz der Hartmetallauflagen in deren Endbereich. Bei der Schweißung ist die Verwendung verschiedener Elektroden möglich, wodurch unterschiedliche, abriebfeste Materialien aufgetragen werden können. Auch sind nach sehr langen Einsatzzeiten der Stopfpickel eventuell anfallende Reparaturen und Ausbesserungen der Aufpanzerung einfach durchzuführen. Die Lebensdauer des Stopfpickels wird dadurch insgesamt deutlich erhöht. Die im direkten Vergleich mit einer Panzerung aus angelöteten Hartmetallauflagen billigere Auftragsschweißung senkt die Gesamtkosten des Stopfpickels wesentlich.Such an armor leads to an optimum protection of the hard metal supports in their end. When welding, the use of different electrodes is possible, whereby different, abrasion-resistant materials can be applied. Even after very long periods of use of the stuffing tamp any repairs and repairs to the armor are easy to perform. The lifetime of the stuffed pot is thus significantly increased overall. The direct Comparison with an armor made of soldered carbide supports cheaper build-up welding significantly reduces the total cost of the stuffing peg.

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 von in der Zeichnung dargestellten Ausführungsbeispielen näher beschrieben. Es zeigen: Fig. 1 eine Seitenansicht einer Stopfmaschine, Fig. 2 und 3 perspektivische Ansichten der Vorder- bzw. Rückseite eines Stopfpickels, Fig. 4, 5 Draufsichten, Fig. 6 eine Ansicht gemäß Pfeil VI in Fig. 4, und Fig. 7 eine Seitenansicht einer Variante eines Stopfpickels.In the following the invention will be described in more detail with reference to embodiments shown in the drawing. Show it: Fig. 1 a side view of a stuffing machine, FIGS. 2 and 3 perspective views of the front and back of a stuffed peg, Fig. 4, 5 Top views Fig. 6 a view according to arrow VI in Fig. 4 , and Fig. 7 a side view of a variant of a stuffed pot.

Eine in Fig. 1 dargestellte Stopfmaschine 1 besteht im Wesentlichen aus einem über Schienenfahrwerke 2 auf einem Gleis 3 abgestützten Maschinenrahmen 4. An diesem ist ein Stopfpickel 5 aufweisendes Stopfaggregat 6 zur Unterstopfung von Schwellen 7 des Gleises 3 angeordnet.An in Fig. 1 Tamping machine 1 shown consists essentially of a supported on rail chassis 2 on a track 3 machine frame 4. At this stuffing tamping 5 exhibiting tamping unit 6 for clogging of sleepers 7 of the track 3 is arranged.

Der in den Fig. 2 und 3 detailliert dargestellte Stopfpickel 5 besteht aus einem Pickelschaft 8 und einer an dessen unterem Ende positionierten Pickelplatte 9. Diese weist eine vom Pickelschaft 8 distanzierte Plattenunterkante 10 auf. Die Pickelplatte 9 weist weiters in Richtung der Plattenunterkante 10 voneinander distanzierte und normal zu dieser verlaufende Plattenseitenflächen 11 auf. Diese verbinden jeweils eine Plattenvorderseite 12 mit einer Plattenrückseite 13 der Pickelplatte 9. Auf dieser sind Hartmetallauflagen 14 zur Erhöhung der Abriebfestigkeit befestigt. Die entlang der Plattenunterkante 10 nebeneinander gelegenen Hartmetallauflagen 14 bilden sowohl auf der Plattenvorderseite 12 als auch auf der Plattenrückseite 13 eine gemeinsame Begrenzungslinie 15. Anschließend an jede Begrenzungslinie 15 ist eine sich von einer Ebene 16 der Plattenvorder- bzw. -rückseite 12, 13 abhebende Auftragsschweißung als Aufpanzerung 17 vorgesehen. Die Aufpanzerung 17 ist in Form einer parallel zur Begrenzungslinie 15 verlaufenden Schweißraupe 18 ausgebildet. Jede Begrenzungslinie 15 und jede Schweißraupe 18 ist parallel zur Plattenunterkante 10 verlaufend angeordnet.The in the FIGS. 2 and 3 Tamping pick 5 shown in detail consists of a picking shaft 8 and a pick plate 9 positioned at the lower end thereof. This pick plate has a plate lower edge 10 that is distanced from the picking shaft 8. The pick plate 9 further has spaced apart in the direction of the plate lower edge 10 from each other and normal to this extending plate side surfaces 11. These connect in each case a plate front side 12 with a plate rear side 13 of the picking plate 9. Auf these are hard metal pads 14 attached to increase the abrasion resistance. The hard metal supports 14 located next to each other along the lower edge 10 of the plate form a common boundary line 15 both on the front plate 12 and on the back of the plate 13. Subsequent to each delimiting line 15 is a build-up weld which lifts off from a plane 16 of the front or rear side 12, 13 of the plate provided as an armor 17. The armor 17 is formed in the form of a parallel to the boundary line 15 extending bead 18. Each boundary line 15 and each weld bead 18 is arranged to extend parallel to the lower plate edge 10.

Jede Schweißraupe 18 weist eine von der Plattenvorder- bzw. -rückseite 12, 13 distanzierte, zu dieser parallele Begrenzungsebene 19 auf. Diese wird durch Abfräsen der Schweißraupe 18 erzeugt und bildet eine Verlängerung einer durch die Hartmetallauflagen 14 gebildeten Schotterkontaktfläche 20. Die mit der Plattenvorderseite 12 verbundene Aufpanzerung 17 ist etwa mittig bezüglich einer Plattenhöhe h positioniert (Fig. 4). Die mit der Plattenrückseite 13 verbundene Aufpanzerung 17 ist in einem unmittelbar an die Plattenunterkante 10 anschließenden Abschnitt 21 positioniert (Fig. 3).Each weld bead 18 has a boundary plane 19 which is distant from the plate front or rear side 12, 13 and parallel to it. This is produced by milling off the weld bead 18 and forms an extension of a ballast contact surface 20 formed by the hard metal supports 14. The armoring 17 connected to the panel front 12 is positioned approximately centrally with respect to a panel height h ( Fig. 4 ). The armoring 17 connected to the rear of the plate 13 is positioned in a section 21 immediately following the lower edge of the plate 10 ( Fig. 3 ).

Die Fig. 4 bis 7 zeigen einen Stopfpickel 5, dessen auf der Plattenvorder- und -rückseite 12, 13 angeordnete Aufpanzerungen 17 durch eine jeweils mit der Plattenseitenfläche 11 verbundene, seitliche Aufpanzerung 22 verbunden sind. Diese erstreckt sich auch über die an die Plattenseitenflächen 11 angrenzenden Bereiche 23 der Plattenvorder- und -rückseite 12, 13. Die ebenfalls aus Schweißraupen 24 gebildeten seitlichen Aufpanzerungen 22 werden so abgefräst, dass sie mit Seitenflächen 25 der Hartmetallauflagen 14 eine gemeinsame Ebene 26 bilden. Die in den Bereichen 23 befindlichen Schweißraupen 24 werden vorteilhaft so abgefräst, dass sie sich innerhalb der Begrenzungsebene 19 befinden.The Fig. 4 to 7 show a stuffing tine 5, which are arranged on the Plattenvorder- and -rückseite 12, 13 armor 17 connected by a respectively connected to the plate side surface 11, side armor 22. This also extends beyond the plate side surfaces 11th adjacent areas 23 of the Plattenvorder- and -rückseite 12, 13. The likewise formed from weld beads 24 side armor 22 are milled so that they form a common plane 26 with side surfaces 25 of the hard metal supports 14. The weld beads 24 located in the regions 23 are advantageously milled so that they are located within the boundary plane 19.

Claims (7)

  1. A tamping tine (5) for a tamping unit (6) of a tamping machine (1) for tamping a track (3), consisting of a tine shaft (8) and, positioned at the lower end thereof, a tine pad (9) having a pad bottom edge (10) spaced from the tine shaft (8), the tine pad (9) having pad side surfaces (11) spaced from one another in the direction of the pad bottom edge (10) and extending perpendicularly to the same, each of the pad side surfaces (11) connecting a pad front side (12) to a pad rear side (13) of the tine pad (9), wherein hardened metal plates (14) for increasing the abrasion resistance are fastened to the tine pad (9), and wherein the hardened metal plates (14) situated side by side along the pad bottom edge (10) form a common boundary line (15) both on the pad front side (12) as well as on the pad rear side (13), characterized in that an armouring (17) in the shape of a build-up welding, standing out from a plane (16) of the pad front- or -rear side (12, 13), is provided adjoining each boundary line (15).
  2. A tamping tine according to claim 1, characterized in that the armouring (17) is formed in the shape of a weld beam (18) extending parallel to the boundary line (15).
  3. A tamping tine according to claim 1 or 2, characterized in that each boundary line (15) and each weld bead (18) are arranged so as to extend parallel to the pad bottom edge (10).
  4. A tamping tine according to one of claims 2 or 3, characterized in that the weld bead (18) has a delimiting plane (19), spaced from the pad front- or -rear side (12; 13) and produced by milling, which forms an extension of a ballast contact surface (20) formed by the hardened metal plates (14).
  5. A tamping tine according to one of claims 1 to 4, characterized in that the armouring (17) connected to the pad rear side (13) is positioned in a section (21) immediately adjoining the pad bottom edge (10).
  6. A tamping tine according to one of claims 1 to 5, characterized in that the armouring (17) connected to the pad front side (12) is positioned approximately centrally with regard to a pad height (h).
  7. A tamping tine according to one of claims 1 to 6, characterized in that the armouring (17) arranged on the pad front- or -rear side (12; 13) is linked by lateral armouring (22) connected in each case to the pad side surface (11).
EP12707484.7A 2011-03-28 2012-03-01 Tamping pick Active EP2691574B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA431/2011A AT511204B1 (en) 2011-03-28 2011-03-28 tamping
PCT/EP2012/000888 WO2012130368A1 (en) 2011-03-28 2012-03-01 Tamping pick

Publications (2)

Publication Number Publication Date
EP2691574A1 EP2691574A1 (en) 2014-02-05
EP2691574B1 true EP2691574B1 (en) 2016-05-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12707484.7A Active EP2691574B1 (en) 2011-03-28 2012-03-01 Tamping pick

Country Status (12)

Country Link
US (1) US9238892B2 (en)
EP (1) EP2691574B1 (en)
JP (1) JP6150789B2 (en)
CN (1) CN103443359B (en)
AT (1) AT511204B1 (en)
BR (1) BR112013024624B1 (en)
DK (1) DK2691574T3 (en)
EA (1) EA023875B1 (en)
ES (1) ES2587614T3 (en)
HU (1) HUE030370T2 (en)
PL (1) PL2691574T3 (en)
WO (1) WO2012130368A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2016204901A1 (en) * 2015-08-10 2017-03-02 Nordco Inc. Tamper Tool and Associated Holder
USD808443S1 (en) * 2016-03-09 2018-01-23 Good Earth Tools, Inc. Industrial tool insert
USD816724S1 (en) * 2016-04-12 2018-05-01 Good Earth Tools, Inc. Industrial tool insert
USD818007S1 (en) * 2016-04-12 2018-05-15 Good Earth Tools, Inc. Industrial tool insert
WO2017180646A1 (en) * 2016-04-13 2017-10-19 Harsco Technologies LLC Tamping tool
USD800806S1 (en) * 2016-04-13 2017-10-24 Harsco Technologies LLC Tamping tool
USD800805S1 (en) * 2016-04-13 2017-10-24 Harsco Technologies LLC Tamping tool

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
US3971323A (en) * 1975-02-19 1976-07-27 Teledyne Mid-America Corporation Tamping blade and a hard wear-resistant insert therefor
US4392333A (en) * 1981-08-17 1983-07-12 Dynabrade, Inc. Guide wheels for belt grinder
FR2617669B1 (en) 1987-07-10 1991-02-15 Slh PROTECTOR FOR AGRICULTURAL OR OTHER EQUIPMENT WEAR
JPH0649992B2 (en) * 1988-09-27 1994-06-29 株式会社伸和技研 Fenced claw for civil engineering machines
US5261763A (en) * 1991-12-23 1993-11-16 Crowell James E Tamping tool
JPH08333703A (en) * 1995-06-06 1996-12-17 Toshiba Tungaloy Co Ltd Bit for vibration tool
AT5202U3 (en) * 2002-01-18 2003-01-27 Plasser Bahnbaumasch Franz tamping
AT5704U3 (en) * 2002-06-28 2003-06-25 Plasser Bahnbaumasch Franz TAMPER PICK AND METHOD FOR THE PRODUCTION THEREOF
US7013812B2 (en) * 2003-11-25 2006-03-21 Ballast Tools, Inc. Tamping tool
JP3917991B2 (en) * 2004-07-02 2007-05-23 岡野バルブ製造株式会社 Alloy for repair welding of hardfacing weld and repair welding method
GB2429941B (en) * 2005-09-08 2011-05-11 Welding Alloys Ltd Manufacture of hardfaced rollers and plates
CN201241303Y (en) * 2008-06-18 2009-05-20 南车戚墅堰机车车辆工艺研究所有限公司 Composite type pounding pick
CN201254681Y (en) * 2008-09-22 2009-06-10 昆明理工大学 Tamping pick for railway tamping machine
CN201598541U (en) * 2010-01-13 2010-10-06 李宝峰 Novel hard alloy tamping pick
CN201738198U (en) * 2010-06-18 2011-02-09 武汉市琦晟机械有限公司 Tamping pick

Also Published As

Publication number Publication date
CN103443359A (en) 2013-12-11
BR112013024624B1 (en) 2020-11-03
PL2691574T3 (en) 2016-11-30
ES2587614T3 (en) 2016-10-25
AT511204B1 (en) 2012-10-15
HUE030370T2 (en) 2017-05-29
EP2691574A1 (en) 2014-02-05
EA023875B1 (en) 2016-07-29
WO2012130368A1 (en) 2012-10-04
CN103443359B (en) 2016-06-08
BR112013024624A2 (en) 2018-02-27
EA201300848A1 (en) 2014-01-30
AT511204A4 (en) 2012-10-15
US9238892B2 (en) 2016-01-19
US20130327241A1 (en) 2013-12-12
JP2014509697A (en) 2014-04-21
DK2691574T3 (en) 2016-08-29
JP6150789B2 (en) 2017-06-21

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