EP1055776A2 - Tensioning device for connecting tie rods - Google Patents

Tensioning device for connecting tie rods Download PDF

Info

Publication number
EP1055776A2
EP1055776A2 EP00107809A EP00107809A EP1055776A2 EP 1055776 A2 EP1055776 A2 EP 1055776A2 EP 00107809 A EP00107809 A EP 00107809A EP 00107809 A EP00107809 A EP 00107809A EP 1055776 A2 EP1055776 A2 EP 1055776A2
Authority
EP
European Patent Office
Prior art keywords
turnbuckle
tie rods
nuts
convex
tensioning device
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.)
Granted
Application number
EP00107809A
Other languages
German (de)
French (fr)
Other versions
EP1055776B1 (en
EP1055776A3 (en
Inventor
Horst E. Steinfeld
Dieter Dipl.-Ing. Braselmann
Dieter Reichel
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.)
Thyssen Krupp Materials and Services AG
Original Assignee
Thyssen Krupp Materials and Services AG
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 Thyssen Krupp Materials and Services AG filed Critical Thyssen Krupp Materials and Services AG
Publication of EP1055776A2 publication Critical patent/EP1055776A2/en
Publication of EP1055776A3 publication Critical patent/EP1055776A3/en
Application granted granted Critical
Publication of EP1055776B1 publication Critical patent/EP1055776B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E01B3/00Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/40Slabs; Blocks; Pot sleepers; Fastening tie-rods to them

Definitions

  • the invention relates to a turnbuckle for connecting tie rods according to the Preamble of Claim 1.
  • a ballastless track for rails on which rail vehicles drive with adjacent track plates, it is It is common to brace the pavement slabs against each other using tie rods.
  • the Tie rods usually extend through the adjacent pavement slabs.
  • At least the ends of the tie rods have an external thread.
  • Turnbuckles connect the ends of the connecting tie rods.
  • EP 0 516 612 A1 shows a generic ballastless superstructure. From Concrete roadway slabs and their breakthroughs to accommodate the Tie rods have tolerances. In addition, the pavement slabs cannot always straight and next to each other in a plane, because of curves and cant of the rail track are to be provided. As a result, the previously used turnbuckles the flat screw supports for the clamping nuts disadvantageously cause the tie rods to be subjected to bending forces at the clamping point become, which in extreme cases even leads to a plastic deformation of the ends the tie rod leads.
  • the invention has for its object a turnbuckle for connecting tie rods according to the preamble of claim 1 such that it is End of the tie rod no longer leads to constraints or bends.
  • the turnbuckle 1 is designed like a chain link. It has a thin cross section in the middle area. At the ends 2, on which the tie rods 3 are fastened, a larger cross section is provided. In this area, contact surfaces 4 for the nuts 5 are arranged in the interior.
  • the tie rods 3 are formed with an external thread at least at their ends 6, which cooperate with the nuts 5, so that a 5 over the nuts Tensioning the tie rod 3 takes place.
  • the ends 2 of the turnbuckle 1 are extending laterally outwards Slots 7 formed.
  • the tie rods 3 can be inserted laterally through these slots be, which can already wear the nuts 5 at their ends 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The turnbuckle (1) is formed like a chain link. The tie rods (3) have external threads at the ends (6), and are tensioned vi nuts (5) inside the turnbuckle. The turnbuckle has slots (7) extending outwards, and the ends of the ties rods to be connected a inserted into the slots from outside. The ends have concave or convex support surfaces (4) for the nuts. Nuts or washers have congruent spherically convex contact faces.

Description

Die Erfindung betrifft ein Spannschloß zum Verbinden von Zugankern nach dem Oberbegriff des Anspruchs 1. Bei einem schotterlosen Oberbau für Schienen, auf denen Schienenfahrzeuge fahren, mit aneinanderliegenden Fahrbahnplatten, ist es üblich, die Fahrbahnplatten mittels Zuganker gegeneinander zu verspannen. Die Zuganker erstrecken sich üblicherweise durch die aneinanderliegenden Fahrbahnplatten.The invention relates to a turnbuckle for connecting tie rods according to the Preamble of Claim 1. In a ballastless track for rails, on which rail vehicles drive with adjacent track plates, it is It is common to brace the pavement slabs against each other using tie rods. The Tie rods usually extend through the adjacent pavement slabs.

Wenigstens die Enden der Zuganker weisen ein Außengewinde auf. Spannschlösser verbinden die Enden der aneinanderschließenden Zuganker.At least the ends of the tie rods have an external thread. Turnbuckles connect the ends of the connecting tie rods.

Die EP 0 516 612 A1 zeigt einen gattungsgemäßen schotterlosen Oberbau. Die aus Beton hergestellten Fahrbahnplatten und ihre Durchbrüche zur Aufnahme der Zuganker weisen Toleranzen auf. Darüber hinaus können die Fahrbahnplatten nicht immer gerade und in einer Ebene nebeneinander liegen, da Kurven und Überhöhungen des Schienenweges vorzusehen sind. Das hat zur Folge, daß bei den bisher eingesetzten Spannschlössern die ebenen Schraubenauflagen für die Spannmuttern nachteilig bewirken, daß die Zuganker an der Einspannstelle mit Biegekräften beaufschlagt werden, was im Extremfall sogar zu einer plastischen Verformung der Enden der Zuganker führt. EP 0 516 612 A1 shows a generic ballastless superstructure. From Concrete roadway slabs and their breakthroughs to accommodate the Tie rods have tolerances. In addition, the pavement slabs cannot always straight and next to each other in a plane, because of curves and cant of the rail track are to be provided. As a result, the previously used turnbuckles the flat screw supports for the clamping nuts disadvantageously cause the tie rods to be subjected to bending forces at the clamping point become, which in extreme cases even leads to a plastic deformation of the ends the tie rod leads.

Der Erfindung liegt die Aufgabe zugrunde, ein Spannschloß zum Verbinden von Zugankern nach dem Oberbegriff des Anspruchs 1 derartig weiterzubilden, daß es am Ende der Zuganker nicht mehr zu Zwängungen oder Verbiegungen kommt.The invention has for its object a turnbuckle for connecting tie rods according to the preamble of claim 1 such that it is End of the tie rod no longer leads to constraints or bends.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Eine vorteilhafte Aus- und Weiterbildung wird in Anspruch 2 beschrieben.This object is achieved by the features of claim 1. An advantageous education and training is described in claim 2.

Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, daß beliebige Einbaulagen der Fahrbahnplatten und auch große Fertigungstoleranzen sich nicht mehr auf die Anbindung der Zuganker auswirken. Es kann sichergestellt werden, daß die Zuganker nur noch mit reinen Zugkräften belastet werden, wodurch diese eine höhere Lebensdauer erhalten. Weiterhin vorteilhaft wird erreicht, daß der Zuganker nach dem Spannen nicht mehr seitlich durch den Schlitz aus dem Spannschloß herausrutschen kann.The advantages achieved by the invention are in particular that any Installation positions of the carriageway slabs and also large manufacturing tolerances are not affect the connection of the tie rods more. It can be ensured that the tie rods are only loaded with pure tensile forces, making this one get longer life. It is also advantageously achieved that the tie rod after tensioning no longer laterally through the slot from the turnbuckle can slip out.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen

Fig. 1
die Draufsicht auf ein Spannschloß in Verbindung mit den zu verbindenden Enden der Zuganker,
Fig. 2
einen Schnitt durch Fig. 1,
Fig. 3
eine Seitenansicht gemäß Fig. 1,
Fig. 4
eine vergrößerte Darstellung von Fig. 3 und
Fig. 5
eine Draufsicht auf Fig. 4.
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it
Fig. 1
the top view of a turnbuckle in connection with the ends of the tie rods to be connected,
Fig. 2
2 shows a section through FIG. 1,
Fig. 3
2 shows a side view according to FIG. 1,
Fig. 4
an enlarged view of Fig. 3 and
Fig. 5
4 shows a top view of FIG. 4.

Wie aus den Fig. 1 bis 3 erkennbar ist, ist das Spannschloß 1 kettengliedartig ausgebildet. Dabei weist es im Mittenbereich einen dünnen Querschnitt auf. An den Enden 2, an denen die Zuganker 3 befestigt sind, ist ein größerer Querschnitt vorgesehen. In diesem Bereich sind Auflageflächen 4 für die Muttern 5 im Innenbereich angeordnet. Die Zuganker 3 sind zumindest an ihren Enden 6 mit einem Außengewinde ausgebildet, die mit den Muttern 5 zusammenwirken, so daß über die Muttern 5 ein Spannen der Zuganker 3 erfolgt. As can be seen from FIGS. 1 to 3, the turnbuckle 1 is designed like a chain link. It has a thin cross section in the middle area. At the ends 2, on which the tie rods 3 are fastened, a larger cross section is provided. In this area, contact surfaces 4 for the nuts 5 are arranged in the interior. The tie rods 3 are formed with an external thread at least at their ends 6, which cooperate with the nuts 5, so that a 5 over the nuts Tensioning the tie rod 3 takes place.

Die Enden 2 des Spannschlosses 1 sind mit sich seitlich nach außen erstreckenden Schlitzen 7 ausgebildet. Durch diese Schlitze können seitlich die Zuganker 3 eingelegt werden, die dabei bereits an ihren Enden 6 die Muttern 5 tragen können.The ends 2 of the turnbuckle 1 are extending laterally outwards Slots 7 formed. The tie rods 3 can be inserted laterally through these slots be, which can already wear the nuts 5 at their ends 6.

Aus den Fig. 4 und 5 ist erkennbar, daß die Auflagefläche 4 am Spannschloß 1 sphärisch konvex ausgebildet ist. Auf dieser Auflagefläche 4 liegt eine Scheibe 8 mit einer kongruent ausgebildeten, sphärisch konkaven Anlagefläche 9. Auf der ebenen Gegenfläche 10 der Scheibe 8 liegt die Mutter 5 auf. Schiefstellungen der Muttern 5 aufgrund nicht fluchtender Zuganker 3 oder sonstiger Fertigungs- und Maßtoleranzen können nun durch das Verschieben der sphärisch konkaven Anlagefläche 9 der Scheibe 8 auf der sphärisch konvexen Auflagefläche 4 am Spannschloß 1 in einfacher Weise ausgeglichen werden. 4 and 5 that the bearing surface 4 on the turnbuckle 1 is spherical is convex. On this support surface 4 is a disc 8 with a congruently formed, spherically concave contact surface 9. On the flat counter surface 10 of the disc 8, the nut 5 is on. Misalignment of the nuts 5 due to non-aligned tie rod 3 or other manufacturing and dimensional tolerances can now by moving the spherically concave contact surface 9 of the Washer 8 on the spherically convex support surface 4 on turnbuckle 1 in simple Be balanced.

BezugszeichenlisteReference list

1.1.
SpannschloßTurnbuckle
2.2nd
EndeThe End
3.3rd
ZugankerTie rod
4.4th
AuflageflächeContact surface
5.5.
Muttermother
6.6.
EndeThe End
7.7.
Schlitzslot
8.8th.
Scheibedisc
9.9.
AnlageflächeContact surface
10.10th
GegenflächeCounter surface

Claims (2)

Spannschloß (1) zum Verbinden von Zugankern (3), die sich durch aneinanderliegende Fahrbahnplatten eines schotterlosen Oberbaus für Schienen erstrecken und diese miteinander verspannen, wobei das Spannschloß (1) kettengliedartig ausgebildet ist, die Zuganker (3) zumindest an ihren Enden (6) ein Außengewinde aufweisen und über im Innenraum des Spannschlosses (1) liegende Muttern (5) gespannt werden, dadurch gekennzeichnet, daß das Spannschloß (1) mit sich seitlich nach außen erstreckenden Schlitzen (7) ausgebildet ist, in die die zu verbindenden Enden (6) der Zuganker (3) jeweils von außen einlegbar sind und konvexe oder konkave Auflageflächen (4) für die Muttern (5) aufweist, wobei die Muttern (5) oder zwischenliegende Scheiben (8) mit kongruenten Anlageflächen (9) ausgebildet sind.Turnbuckle (1) for connecting tie rods (3) which extend through adjacent carriageway slabs of a ballastless superstructure for rails and brace them with one another, the turnbuckle (1) being designed in the manner of a chain link, the tie rods (3) at least at their ends (6) have an external thread and are tensioned via nuts (5) located in the interior of the turnbuckle (1), characterized in that the turnbuckle (1) is formed with laterally outwardly extending slots (7) into which the ends (6 ) the tie rod (3) can be inserted from the outside and has convex or concave bearing surfaces (4) for the nuts (5), the nuts (5) or intermediate washers (8) being designed with congruent contact surfaces (9). Spannschloß nach Anspruch 1, dadurch gekennzeichnet, daß die Auflagefläche (4) sphärisch konvex ausgebildet ist.Turnbuckle according to claim 1, characterized in that the bearing surface (4) is spherically convex.
EP00107809A 1999-05-28 2000-04-12 Tensioning device for connecting tie rods Expired - Lifetime EP1055776B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924462 1999-05-28
DE19924462A DE19924462C1 (en) 1999-05-28 1999-05-28 Turnbuckle for connecting tie rods that extend through adjacent carriageway slabs of a ballastless track superstructure

Publications (3)

Publication Number Publication Date
EP1055776A2 true EP1055776A2 (en) 2000-11-29
EP1055776A3 EP1055776A3 (en) 2002-05-29
EP1055776B1 EP1055776B1 (en) 2005-02-02

Family

ID=7909456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00107809A Expired - Lifetime EP1055776B1 (en) 1999-05-28 2000-04-12 Tensioning device for connecting tie rods

Country Status (3)

Country Link
EP (1) EP1055776B1 (en)
AT (1) ATE288516T1 (en)
DE (2) DE19924462C1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0516612A1 (en) 1991-05-31 1992-12-02 Allgemeine Baugesellschaft - A. Porr Aktiengesellschaft Ballastless superstructure for railway

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742162C (en) * 1941-07-27 1943-11-24 Siemens Ag Turnbuckle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0516612A1 (en) 1991-05-31 1992-12-02 Allgemeine Baugesellschaft - A. Porr Aktiengesellschaft Ballastless superstructure for railway

Also Published As

Publication number Publication date
DE50009393D1 (en) 2005-03-10
DE19924462C1 (en) 2001-05-10
ATE288516T1 (en) 2005-02-15
EP1055776B1 (en) 2005-02-02
EP1055776A3 (en) 2002-05-29

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