EP2452016B1 - Tamping pick for a tamping machine for tamping a track - Google Patents

Tamping pick for a tamping machine for tamping a track Download PDF

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Publication number
EP2452016B1
EP2452016B1 EP09776958.2A EP09776958A EP2452016B1 EP 2452016 B1 EP2452016 B1 EP 2452016B1 EP 09776958 A EP09776958 A EP 09776958A EP 2452016 B1 EP2452016 B1 EP 2452016B1
Authority
EP
European Patent Office
Prior art keywords
tamping
tine
shaft
diameter
supporting ring
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
EP09776958.2A
Other languages
German (de)
French (fr)
Other versions
EP2452016A1 (en
Inventor
Hansjörg HOFER
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.)
Franz Plasser Bahnbaumaschinen Industrie GmbH
Original Assignee
Franz Plasser Bahnbaumaschinen Industrie GmbH
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.)
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Publication date
Application filed by Franz Plasser Bahnbaumaschinen Industrie GmbH filed Critical Franz Plasser Bahnbaumaschinen Industrie GmbH
Priority to PL09776958T priority Critical patent/PL2452016T3/en
Publication of EP2452016A1 publication Critical patent/EP2452016A1/en
Application granted granted Critical
Publication of EP2452016B1 publication Critical patent/EP2452016B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13Packing sleepers, with or without concurrent work on the track
    • E01B27/16Sleeper-tamping machines

Definitions

  • the invention relates to a stuffing tamping for a stuffing machine for undercutting a track, consisting of a provided at an upper end for insertion into a stuffing lever Stopfaggregates, a diameter and a longitudinal axis having a pike shank, a positioned at a lower end pick plate and a between the picking shaft and pick plate located Pickelarm, and arranged at a lower end of the Pickelschaftes Shuferweit réelle with a larger compared to the diameter of the Pickelschaftes outer diameter and provided for abutment with the stuffing lever of the Stopfaggregates, normal to the longitudinal axis extending abutment surface.
  • Such a stuffing pommel is already through GB2201708 (A ) known.
  • the picking shaft is inserted into an opening of the stuffing lever and connected thereto by a screw connection.
  • the tamping knives are exposed in the machine longitudinal direction of increased bending load. This often leads to breakage of the stuffing plug in the transition region between the picking shaft and the picking arm.
  • the object of the present invention is now to provide a stuffing pick of the type mentioned, with optimized strength.
  • Fig. 1 a side view of a simplified illustrated tamping machine
  • Fig. 2 an enlarged side view of two tamping
  • Fig. 3 to 5 further detailed views.
  • An in Fig. 1 apparent tamping machine 1 is movable on a track 2 and equipped with a height-adjustable tamping unit 3. This has pivotable tamping lever 4, which are releasably connected with stuffing toppers 5 for undercutting the track 2.
  • the tamping pick 5 is composed of a pimpling shaft 6, an adjoining these Pickelarm 7 and a pimple plate 8 connected thereto.
  • a Sch mannierweittation 10 At a lower end 9 of the picking shaft 6 (see also Fig. 3 ) is attached a Sch manweittation 10 with a larger compared to a diameter (d) of the Pickelschaftes 6 outer diameter ad.
  • This fuselage extension 10 has an intended for engagement with the stuffing lever 4 of the tamping unit 3, normal to a longitudinal axis 11 of the pickle shaft 6 extending stop surface 12 (in Fig. 2 the left stuffing pike 5 is shown for comparison without a stick extension 10).
  • the Sch manenenweittation 10 is formed as a support ring 13 with a bore 14 for receiving the pickle shaft 6. Consequently, the bore 14 has an inner diameter (id) corresponding to the diameter d of the picking shaft 6.
  • a difference between Au ⁇ en- and inner diameter (ad, id) of the support ring 13 corresponds to about 20 to 30% of the diameter d of the Pickelschaftes. 6
  • the support ring 13 has two - with respect to the bore 14 - diametrically opposed threaded holes 17 for receiving screws 18. Their screw heads 19 opposite screw ends 20 are each provided for engagement with the Stopfhebeln 4.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Description

Die Erfindung betrifft einen Stopfpickel für eine Stopfmaschine zum Unterstopfen eines Gleises, bestehend aus einem an einem oberen Ende zum Einschieben in einen Stopfhebel eines Stopfaggregates vorgesehenen, einen Durchmesser sowie eine Längsachse aufweisenden Pickelschaft, einer an einem unteren Ende positionierten Pickelplatte sowie einem zwischen Pickelschaft und Pickelplatte befindlichen Pickelarm, und einer an einem unteren Ende des Pickelschaftes angeordneten Schafterweiterung mit einem im Vergleich zum Durchmesser des Pickelschaftes größeren Außendurchmesser und einer zur Anlage an den Stopfhebel des Stopfaggregates vorgesehenen, normal zur Längsachse verlaufenden Anschlagfläche.The invention relates to a stuffing tamping for a stuffing machine for undercutting a track, consisting of a provided at an upper end for insertion into a stuffing lever Stopfaggregates, a diameter and a longitudinal axis having a pike shank, a positioned at a lower end pick plate and a between the picking shaft and pick plate located Pickelarm, and arranged at a lower end of the Pickelschaftes Schäferweiterung with a larger compared to the diameter of the Pickelschaftes outer diameter and provided for abutment with the stuffing lever of the Stopfaggregates, normal to the longitudinal axis extending abutment surface.

Ein derartiger Stopfpickel ist bereits durch GB2201708 (A ) bekannt. Der Pickelschaft wird in eine Öffnung des Stopfhebels eingeführt und mit diesem durch eine Schraubverbindung verbunden. Insbesondere im Rahmen einer kontinuierlichen Vorfahrt einer Stopfmaschine während des Arbeitseinsatzes kann es vorkommen, dass die Stopfpickel in Maschinenlängsrichtung einer erhöhten Biegebelastung ausgesetzt sind. Dies führt dann häufig zu einem Bruch des Stopfpickels im Übergangsbereich zwischen Pickelschaft und Pickelarm.Such a stuffing pommel is already through GB2201708 (A ) known. The picking shaft is inserted into an opening of the stuffing lever and connected thereto by a screw connection. In particular, in the context of a continuous right of way of a tamping machine during the labor input, it may happen that the tamping knives are exposed in the machine longitudinal direction of increased bending load. This often leads to breakage of the stuffing plug in the transition region between the picking shaft and the picking arm.

Ein aus US 2,973,719 bekannter Stopfpickel weist eine Schafterweiterung auf, welche eine Anschlagfläche bildet, die am Stopfhebel anliegend ausgebildet ist.On off US 2,973,719 Known tamping has a Schießweiterung, which forms a stop surface, which is formed adjacent to the stuffing lever.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung eines Stopfpickels der eingangs genannten Art, mit optimierter Festigkeit.The object of the present invention is now to provide a stuffing pick of the type mentioned, with optimized strength.

Diese Aufgabe wird erfindungsgemäß mit einem Stopfpickel der gattungsgemäßen Art dadurch gelöst, dass die Schafterweiterung als Abstützring ausgebildet ist, der einen dem Durchmesser des Pickelschaftes entsprechenden Innendurchmesser sowie einen im Vergleich zu diesem größeren Außendurchmesser aufweist.This object is achieved with a tamping pick of the generic type in that the Schießweiterung is designed as a support ring having a diameter corresponding to the diameter of the pickup shaft inner diameter and a larger compared to this outer diameter.

Mit dieser Anschlagfläche der Schafterweiterung ist es möglich, Biegekräfte auf den massiveren Pickelarm zu übertragen und einen Bruch des Stopfpickels weitgehend auszuschließen. Infolge der vergrößerten Kontaktfläche mit dem Pickelarm ist eine stabilere Fixierung möglich, die eine Mikrobewegung des Pickelschaftes im Pickelarm ausschließt.With this stop face of the fuselage extension, it is possible to transfer bending forces to the more massive pimple arm and largely preclude a rupture of the stuffing peg. As a result of the enlarged contact surface with the Pickelarm a more stable fixation is possible, which precludes a micro-movement of the Pickelschaftes in Pickelarm.

Von besonderem Vorteil ist auch die Möglichkeit, eine derartige Qualitätsverbesserung mit lediglich minimalem Aufwand bei bereits im Einsatz befindlichen Stopfpickeln durchführen zu können.Of particular advantage is also the ability to perform such a quality improvement with only minimal effort in already in use tufts.

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:In the following the invention will be described in more detail with reference to embodiments shown in the drawing. Show it:

Fig. 1 eine Seitenansicht einer vereinfacht dargestellten Stopfmaschine, Fig. 2 eine vergrößerte Seitenansicht zweier Stopfpickel, und Fig. 3 bis 5 weitere Detailansichten. Fig. 1 a side view of a simplified illustrated tamping machine, Fig. 2 an enlarged side view of two tamping, and Fig. 3 to 5 further detailed views.

Eine in Fig. 1 ersichtliche Stopfmaschine 1 ist auf einem Gleis 2 verfahrbar und mit einem höhenverstellbaren Stopfaggregat 3 ausgestattet. Dieses weist verschwenkbare Stopfhebel 4 auf, die lösbar mit Stopfpickeln 5 zum Unterstopfen des Gleises 2 verbunden sind.An in Fig. 1 apparent tamping machine 1 is movable on a track 2 and equipped with a height-adjustable tamping unit 3. This has pivotable tamping lever 4, which are releasably connected with stuffing toppers 5 for undercutting the track 2.

Wie in Fig. 2 ersichtlich, setzt sich der Stopfpickel 5 aus einem Pickelschaft 6, einem an diesen anschließenden Pickelarm 7 und einer mit diesem verbundenen Pickelplatte 8 zusammen. An einem unteren Ende 9 des Pickelschaftes 6 (s. auch Fig. 3) ist eine Schafterweiterung 10 mit einem im Vergleich zu einem Durchmesser (d) des Pickelschaftes 6 größeren Außendurchmesser ad befestigt. Diese Schafterweiterung 10 weist eine zur Anlage an den Stopfhebel 4 des Stopfaggregates 3 vorgesehene, normal zu einer Längsachse 11 des Pickelschaftes 6 verlaufende Anschlagfläche 12 auf (in Fig. 2 ist der linke Stopfpickel 5 zum Vergleich ohne Schafterweiterung 10 dargestellt).As in Fig. 2 it can be seen, the tamping pick 5 is composed of a pimpling shaft 6, an adjoining these Pickelarm 7 and a pimple plate 8 connected thereto. At a lower end 9 of the picking shaft 6 (see also Fig. 3 ) is attached a Schießweiterung 10 with a larger compared to a diameter (d) of the Pickelschaftes 6 outer diameter ad. This fuselage extension 10 has an intended for engagement with the stuffing lever 4 of the tamping unit 3, normal to a longitudinal axis 11 of the pickle shaft 6 extending stop surface 12 (in Fig. 2 the left stuffing pike 5 is shown for comparison without a stick extension 10).

Wie in den Fig. 2 bis 4 dargestellt, ist die Schafterweiterung 10 als Abstützring 13 mit einer Bohrung 14 zur Aufnahme des Pickelschaftes 6 ausgebildet. Folglich weist die Bohrung 14 einen dem Durchmesser d des Pickelschaftes 6 entsprechenden Innendurchmesser (id) auf. Eine Differenz zwischen Au-βen- und Innendurchmesser (ad, id) des Abstützringes 13 entspricht etwa 20 bis 30 % vom Durchmesser d des Pickelschaftes 6.As in the Fig. 2 to 4 shown, the Schießenweiterung 10 is formed as a support ring 13 with a bore 14 for receiving the pickle shaft 6. Consequently, the bore 14 has an inner diameter (id) corresponding to the diameter d of the picking shaft 6. A difference between Au βen- and inner diameter (ad, id) of the support ring 13 corresponds to about 20 to 30% of the diameter d of the Pickelschaftes. 6

Wie in Fig. 3 ersichtlich, weist ein an den Pickelschaft 6 angrenzender unterer Abschnitt 15 des Abstützringes 13 einen in Richtung zum Pickelarm 7 sich kontinuierlich vergrößernden Innendurchmesser (id) auf. Dadurch liegt der Abstützring 13 auf dem gegengleich ausgebildeten unteren Ende 9 des Pickelschaftes 6 auf. Der Abstützring 13 ist durch Erhitzen und Aufschrumpfen kraftschlüssig mit dem Pickelschaft 6 verbunden.As in Fig. 3 can be seen, an adjacent to the Pickelschaft 6 lower portion 15 of the support ring 13 in the direction of the Pickelarm 7 continuously increasing inner diameter (id) on. As a result, the support ring 13 rests on the counter-shaped lower end 9 of the pick shaft 6. The support ring 13 is non-positively connected by heating and shrinking with the pickle shaft 6.

Der Abstützring 13 weist zwei - in Bezug auf die Bohrung 14 - diametral einander gegenüberliegende Gewindebohrungen 17 zur Aufnahme von Schrauben 18 auf. Deren Schraubköpfen 19 gegenüberliegende Schraubenenden 20 sind jeweils zur Anlage an den Stopfhebeln 4 vorgesehen.The support ring 13 has two - with respect to the bore 14 - diametrically opposed threaded holes 17 for receiving screws 18. Their screw heads 19 opposite screw ends 20 are each provided for engagement with the Stopfhebeln 4.

Nach Fixierung des Abstützringes 13 am Pickelschaft 6 wird dieser in eine Öffnung des Stopfhebels 4 eingeführt, bis die Anschlagfläche 12 des Abstützringes 13 am Stopfhebel 4 anliegt (Fig. 2). Durch Anziehen einer Schraube 21 wird eine entsprechende Vorspannung für eine satte Anlage des Abstützringes 13 sowie eine feste Verbindung des Stopfpickels 5 mit dem Stopfhebel 4 erzielt.After fixation of the support ring 13 on the pick shaft 6, this is inserted into an opening of the stuffing lever 4 until the stop surface 12 of the support ring 13 abuts the stuffing lever 4 ( Fig. 2 ). By tightening a screw 21, a corresponding bias for a whopping conditioning of the support ring 13 and a firm connection of the stuffing 5 is achieved with the tamping 4.

Durch ein Anziehen der beiden Schrauben 18 - und Lösen der Schraube 21 - kann der Pickelschaft 6 vereinfacht vom Stopfhebel 4 herausgezogen werden.By tightening the two screws 18 - and loosening the screw 21 - the pickup shaft 6 can be pulled out of the stuffing lever 4 in a simplified manner.

Claims (5)

  1. A tamping tine (5) for a tamping machine for tamping a track (2), the tamping tine (5) consisting of a tine shaft (6) which, at an upper end, is intended for insertion into a tamping lever (4) of a tamping unit (3) and has a diameter (d) as well as a longitudinal axis (11), a tine plate (8) positioned at a lower end, and a tine arm (7) situated between the tine shaft (6) and tine plate (8), and a shaft enlargement (10) arranged at a lower end (9) of the tine shaft (6), the shaft enlargement (10) having an outer diameter (ad) which is greater than the diameter (d) of the tine shaft (6), and a stop surface (12), extending perpendicularly to the longitudinal axis (11), which is designed to abut on the tamping lever (4) of the tamping unit (3), characterized in that the shaft enlargement (10) is in the shape of a supporting ring (13) which has an inner diameter (id) corresponding to the diameter (d) of the tine shaft (6) and an outer diameter (ad) which is greater than the same.
  2. A tamping tine according to claim 1, characterized in that a lower section (15) - adjoining the tine shaft (6) - of the supporting ring (13) has an inner diameter (id) which becomes progressively larger in the direction towards the tine arm (7).
  3. A tamping tine according to claim 1 or 2, characterized in that the supporting ring (13) has two threaded bores (17), lying diametrically opposite one another, for receiving screws (18) which have screw ends (20) - lying opposite to screw heads (19) - provided in each case to be applied to the tamping lever (4).
  4. A tamping tine according to one of claims 1 to 3, characterized in that a difference between the outer and inner diameter (ad, id) of the supporting ring (13) corresponds to about 20 to 30% of the diameter (d) of the tine shaft (6).
  5. A tamping tine according to one of claims 1 to 4, characterized in that the supporting ring (13) is connected in a friction-locked way to the tine shaft (6) by heat shrinking.
EP09776958.2A 2009-07-04 2009-07-04 Tamping pick for a tamping machine for tamping a track Active EP2452016B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09776958T PL2452016T3 (en) 2009-07-04 2009-07-04 Tamping pick for a tamping machine for tamping a track

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/004840 WO2011003427A1 (en) 2009-07-04 2009-07-04 Tamping pick for a tamping machine for tamping a track

Publications (2)

Publication Number Publication Date
EP2452016A1 EP2452016A1 (en) 2012-05-16
EP2452016B1 true EP2452016B1 (en) 2013-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09776958.2A Active EP2452016B1 (en) 2009-07-04 2009-07-04 Tamping pick for a tamping machine for tamping a track

Country Status (4)

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EP (1) EP2452016B1 (en)
ES (1) ES2413355T3 (en)
PL (1) PL2452016T3 (en)
WO (1) WO2011003427A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108842535A (en) * 2018-09-26 2018-11-20 安阳市安振高新产业有限责任公司 It is a kind of install additional torsion spring device for railway ballast make firm by ramming make stick firm by ramming
AT522406A1 (en) 2019-04-11 2020-10-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Tamping pick and method of tamping a track

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973719A (en) 1960-01-28 1961-03-07 Plasser Franz Track tamper
AT389335B (en) 1987-03-05 1989-11-27 Plasser Bahnbaumasch Franz TAMPER PICK FOR A TRACKING MACHINE
US5125145A (en) * 1991-02-25 1992-06-30 Ballast Tools Incorporated Tamping tool removal system

Also Published As

Publication number Publication date
ES2413355T3 (en) 2013-07-16
EP2452016A1 (en) 2012-05-16
WO2011003427A1 (en) 2011-01-13
PL2452016T3 (en) 2013-10-31

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