EP2478155B1 - Unterlegplatte für die befestigung einer schiene auf einem festen untergrund und befestigung einer schiene - Google Patents

Unterlegplatte für die befestigung einer schiene auf einem festen untergrund und befestigung einer schiene Download PDF

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Publication number
EP2478155B1
EP2478155B1 EP10754499.1A EP10754499A EP2478155B1 EP 2478155 B1 EP2478155 B1 EP 2478155B1 EP 10754499 A EP10754499 A EP 10754499A EP 2478155 B1 EP2478155 B1 EP 2478155B1
Authority
EP
European Patent Office
Prior art keywords
base plate
rail
shim
head
receptacle
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.)
Not-in-force
Application number
EP10754499.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2478155A1 (de
Inventor
Adrian Bednarczyk
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.)
Vossloh Werke GmbH
Original Assignee
Vossloh Werke 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.)
Filing date
Publication date
Application filed by Vossloh Werke GmbH filed Critical Vossloh Werke GmbH
Priority to PL10754499T priority Critical patent/PL2478155T3/pl
Publication of EP2478155A1 publication Critical patent/EP2478155A1/de
Application granted granted Critical
Publication of EP2478155B1 publication Critical patent/EP2478155B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
    • E01B9/40—Tie-plates for flat-bottom rails

Definitions

  • the invention relates to a shim for the attachment of a rail on a solid surface, with a leading from the top to the bottom of the shim through hole through which a clamping screw with a multi-edged screw head can be plugged from the bottom, wherein in the bottom of the shim in the area the mouth of the passage opening is formed a receptacle in which sits in the fully assembled state of the screw head of the clamping screw.
  • the invention relates to an attachment for a rail made using such a shim.
  • a rail fastening system known as "ECF” in which the rail rests on the footprint of a steel shim made of steel.
  • the contact surface is bounded in each case by a rib on which the rail foot is laterally guided in the fully assembled state.
  • the rib serves as a bearing for a clamping screw, with their Screw head sits positively in a molded-in rib in the receptacle and with its shaft from the top of the shim technological the middle loop of a W-shaped clamp passes.
  • the tensioning clamp is then braced against the shim so that a sufficient hold-down force is exerted on the respective side of the rail foot via the free ends of the spring arms of the tensioning clamp.
  • each one leading from its top to its underside sleeve opening is formed in which formed as a hold-down sleeve eccentric sleeve sitting.
  • the eccentric sleeve has at its upper end in the mounting position a projection in the form of a peripheral circumferential surface of the sleeve collar, which rests in the mounting position on the upper side of the shim.
  • the height remaining between the underside of the collar projection and the lower end of the eccentric sleeve in the assembly position is dimensioned so that in the assembled state the sleeve is resting on the tra plate.
  • a screw inserted Through the sleeve opening of the Eccentric sleeve is a screw inserted, which is screwed into a recessed into the solid underground dowel and so forms a rotation axis for the sleeve.
  • the position of the shim and, with it, the rail resting on it can be displaced aligned by a rotation of the eccentric sleeve transversely to the longitudinal extension of the rail to adjust the position of the rail to the required track.
  • a disadvantage of the known ECF system for fastening a rail is that the shim has a high weight and also the freedom in their design is limited by the steel material used for their production.
  • the object of the invention was to provide a shim in which it is ensured that a multi-edged, in particular Hexagonal screw head is always held securely under the influence of high torques in its associated recording.
  • a mounting for a rail should be specified, in which the risk of destruction of the intended for the multi-edged screw head of a clamping screw receptacle is minimized even when exposed to high torques.
  • the invention has achieved this object in that the shim according to claim 1 is formed.
  • Advantageous embodiments of a shim according to the invention are specified in the dependent claims on claim 1 and are explained in detail below.
  • a Unterlegplatte invention for the attachment of a rail on a solid surface has, in accordance with the above-described prior art leading from the top to the bottom of the shim through hole through which a clamping screw with a multi-edged screw head can be plugged from the bottom.
  • a receptacle is formed in the underside of the shim in the region of the mouth of the passage opening, sitting in the ready assembled state of the screw head of the clamping screw.
  • each side surface of the screw head is assigned a contact surface formed on the peripheral wall of the receptacle, which extends over a partial length of the respective associated side surface of the screw head and on which the relevant side surface of the screw head is supported in the assembled state.
  • the contact surfaces of the peripheral wall are spaced from one another. At the same time between each two adjacent contact surfaces a recess in the peripheral wall of the receptacle is formed, in the region in the assembled state no contact between the screw head and the peripheral wall of the receptacle.
  • a seated in such a shaped receptacle clamping screw is supported on the side surfaces of its screw head so that it is held securely even under the high torques that can occur during clamping of the respective spring element.
  • Special tools, such as inserts made of a stronger material, which must be used in the existing plastic shims are not required.
  • the relief recesses are preferably arranged so that the existing between the side surfaces of the screw head edges are arranged with fully assembled clamping screw in its area.
  • the contact surfaces are each formed so that in the region of the edges between the side surfaces at most low pressure loads of the peripheral wall of the recording occur.
  • the invention proves to be particularly advantageous if the shim plate is made of a plastic material.
  • the production of plastic on the one hand, a significant weight savings compared to steel or cast iron existing shims achieved.
  • a plastic for the production of the shim comes, for example, glass fiber reinforced polyamide in question.
  • An inventive fastening a rail on a solid surface is based on an inventively designed Unterlegplatte constructed and includes a multi-edged, in particular like a hexagon shaped screw head having clamping screw which is pushed from the underside of the washer ago through the through hole and with its screw head in the recess of the shim sitting.
  • the side surfaces of the screw head are supported on a respective one of the bearing surfaces formed on the peripheral wall of the recess.
  • a particularly important in practice embodiment of the invention is characterized in that the shim is in the mounted state on a disposed between the shim and the solid ground intermediate layer. This makes it possible to use the elasticity of a comparatively large-volume intermediate layer for as precisely predeterminable compliance as possible of the fastening effected by the system according to the invention when passing over a rail vehicle.
  • a mounting system according to the invention in addition to a mounting system according to the invention to be arranged between the intermediate layer and the solid base support plate is provided. If necessary, this can consist of a comparatively thin sheet steel or of a sufficiently strong plastic.
  • Concrete threshold formed substrate 2 comprises a made of a plastic material Unterlegplatte 3, to be arranged below the shim 3 intermediate layer 4 of an elastically resilient material, to be arranged below the intermediate layer 4 on the solid surface 2 support plate 5, four eccentric sleeves 6a, 6b, 6c, 6d , each of which is assigned as a fastener fastening screw 7a, 7b, 7c, 7d, two spring elements 8a, 8b, two adapter pieces 9a, 9b and two clamping screws 10a, 10b.
  • the consisting of a plastic material shim 3 has a bone-like, elongated shape seen in plan view. Their adjoining in each case one of its narrow sides outer regions 3a, 3b in this case have a much larger, measured in the direction of the longitudinal extent L of the rail S to be fastened width B, as its central region, wherein the change in the width B from the narrower middle region to the adjacent wide lateral areas 3a, 3b has a continuous, jump-free course.
  • a standing surface 3c extending in the longitudinal direction L is formed on the upper side O of the shim 3, which extends over the respective width B of the central narrower region of the shim 3 and laterally to the narrow sides of the shim 3 through a respective shoulder 3d, 3e is limited.
  • 3d projecting dovetail-like projection 3f is formed.
  • On each of these one of the adapter pieces 9a, 9b can be set with a complementarily shaped recess, if necessary, to bridge a distance between the set on the foot surface 3c rail foot F of the rail S and thus to ensure a safe lateral guidance of the rail S.
  • a through hole 3g, 3h formed, which leads from the top O to the bottom U of the shim 3.
  • the screw head 10c of the clamping screws 10a, 10b is seated in each case in a receptacle 3i, 3j, which is formed in the underside U of the shim 3 and is arranged in the region of the mouth of the respective through-opening 3g, 3h.
  • the receptacles 3i, 3j are each surrounded by a circumferential wall 3k, which is integrally connected to the shim 3.
  • At their respective receiving 3i, 3j respectively associated circumferential surfaces are on the peripheral walls 3k six at equal angular intervals around the center of the respective recording 3i, 3j distributed contact surfaces 31 formed whose measured in the circumferential direction of the respective recording 3i, 3j length La each less than Half the length Ls of the side surfaces 10d of the screw head 10c is.
  • a recess 3m is formed in the respective peripheral wall 3k between two adjacent contact surfaces 31, which recess 3k recede in relation to the contact surfaces 31 in the circumferential wall 3k.
  • each limiting contact surface 31 adjacent to the respective recess 3m each limiting contact surface 31 each additionally formed in the manner of a groove relief recess 3n formed in the peripheral wall 3k, while the recess 3m merges with the other limiting contact surface in a relatively flat course.
  • the regular distribution, the position and the dimensions of the abutment surfaces 31, the recesses 3m and the relief recesses 3n of the respective receptacle 3i, 3j are selected so that the screw head 10c in the fully assembled position (FIG. Fig. 8 ) with its side surfaces 10d in each case bears against one of the abutment surfaces 31 and each edge 10e of the screw head 10c present between two side surfaces 10d is arranged in the region of a relief recess 3n without having contact with the respective peripheral wall 3k.
  • the shim 3 can easily absorb the torques occurring when bracing the spring elements 8a, 8b designed in the manner of a conventional, ⁇ -shaped tensioning clamp.
  • the spring elements 8a, 8b they are placed on the shim 3 that their respective assigned clamping screw 10a, 10b engages with its threaded shank through the middle loop of the spring element 8a and 8b and the free spring arms of the spring element 8a, 8b on the rail Fly. Subsequently, the middle loop of the spring element 8a, 8b is pressed so far against the shim 3 by means of a nut screwed onto the threaded shaft 12 until a sufficient hold-down force is exerted on the rail foot F.
  • a sleeve opening 3o is formed in the shim 3, which leads from the upper side O to the underside U of the shim 3.
  • each of the four sleeve openings 3o sits one of the one in combination with the material of the shim 3 well lubricated and sufficiently strong material manufactured eccentric sleeves 6a-6d.
  • These have a passage opening 6e, which is arranged eccentrically to the central axis Me of the respective eccentric sleeve 6a-6d.
  • an axially parallel to the central axis Me extending, narrow locking projection 6f is formed which extends over the entire height He of the eccentric sleeves 6a-6d.
  • the eccentric sleeves 6a-6d are designed as hold-down sleeves, to which they at their upper, the top O of the shim 3 associated edge a in the manner of a collar have circumferential projection 6g. In the assembled state, the projection 6g of the eccentric sleeves 6a-6d lies on the upper side 0 of the shim 3.
  • the four sleeve openings 3o are each surrounded by a peripheral wall 3p, which is formed by the plastic material of the shim 3.
  • a peripheral wall 3p which is formed by the plastic material of the shim 3.
  • the peripheral wall 3p formed at irregular angular intervals ⁇ on the type of grooves, axially parallel to the central axis Mh of the respective sleeve opening 3o extending latching marks 3q formed whose shape is complementary to the shape of the eccentric sleeves 6a-6d respectively formed latching projection 6f.
  • the latching marks 3q and the sleeve openings 3o are each designed so that their respective associated eccentric sleeve 6a-6d with its locking projection 6f with sliding fit positively guided in them so that the rotational position of the eccentric sleeve 6a-6d fixed in its associated sleeve opening 3o is, but at the same time directed in the direction of the central axis Me relative movement between shim 3 and the respective sleeve 6a-6d is easily possible.
  • Fixing screws 7a-7d each have an axis of rotation about which the associated eccentric sleeve 6a-6d mosverstellen.
  • the angular distances ⁇ can be designed such that each rotational adjustment of the eccentric sleeves 6a-6d shifts the shim 3 by one millimeter for a track width adjustment.
  • a skirt-like protrusion 3r facing away from the underside U is integrally formed on the shim 3.
  • the projection 3r serves as a stop for the directed in the direction of the solid ground 2 movements that performs the shim 3, when the standing on her rail S is driven by a rail vehicle, not shown here.
  • a stiffening structure 3s is formed in the shim 3, which consists of mutually crossing at a right angle ribs 3t and formed between them recesses 3u are formed.
  • the recesses 3u are filled with a lightweight but dimensionally stable molding material T.
  • the molding material filling T terminates essentially flush with the free upper side of the ribs 3t or stands with a projection of typically At least 2 mm above the top of the ribs over, so that no sharp edges of the ribs 3t emerge more.
  • an elastic layer 3v is sprayed onto the support surface 3c, which consists of a permanently elastic plastic.
  • the elastic layer 3v it is also possible to form the elastic layer 3v by a prefabricated plate of elastic material, which is placed on the support surface 3c and glued to it in particular.
  • the elastic intermediate layer 4 has a shape in plan view, which corresponds to the area occupied by the stiffening structure 3. Accordingly, the stiffening structure 3 completely covers the intermediate layer 4 in the fully assembled state of the system 1.
  • the filler filling T present in the recesses 3u of the stiffening structure 3s ensures that the ribs 3t of the stiffening structure 3s do not intersect in the intermediate layer 4 even under the load of a rail vehicle traveling through the rail S. Instead, the shim 3 is always supported over such a large area on the elastic intermediate layer 4, that permanently optimum spring action is maintained.
  • the resting on the solid surface 2 thin support plate 5 serves as protection of the elastic intermediate layer against abrasive wear and dirt and ensures a flat bearing surface.
  • the elastic intermediate layer on the support plate 5 is on the pad 3 associated upper side of the support plate 5 by one of the outer shape of the elastic layer following projection 5a formed a receptacle in which in the assembled system 1, the intermediate layer 4 is positively seated.
  • the projection 5a additionally serves as a stop by which the directed in the direction of the solid surface 2 movements of the shim 3 are limited and excessive compression of the elastic intermediate layer 4 is prevented.
  • the elastic intermediate layer 4 is also protected against excessive compression during assembly, that the height He designed as hold-down sleeves and standing in the assembled state on the support plate 5 eccentric sleeves 6a-6d is chosen so that the shim 3 even when fixed tightened fastening screws 7a-7d is pressed against the elastic intermediate layer 4 only with a defined force. If the force in question is to be very small, then a height He of the eccentric sleeve is selected which corresponds to the thickness of the shim 3 in the region of the sleeve openings 3o plus the thickness of the elastic layer in the relaxed state of installation minus the thickness of the projection 6g.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)
  • Clamps And Clips (AREA)
  • Railway Tracks (AREA)
EP10754499.1A 2009-09-18 2010-09-15 Unterlegplatte für die befestigung einer schiene auf einem festen untergrund und befestigung einer schiene Not-in-force EP2478155B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10754499T PL2478155T3 (pl) 2009-09-18 2010-09-15 Płyta podkładkowa do mocowania szyny na stałym podłożu i zamocowanie szyny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009041816A DE102009041816B4 (de) 2009-09-18 2009-09-18 Unterlegplatte für die Befestigung einer Schiene auf einem festen Untergrund und Befestigung einer Schiene
PCT/EP2010/063531 WO2011032974A1 (de) 2009-09-18 2010-09-15 Unterlegplatte für die befestigung einer schiene auf einem festen untergrund und befestigung einer schiene

Publications (2)

Publication Number Publication Date
EP2478155A1 EP2478155A1 (de) 2012-07-25
EP2478155B1 true EP2478155B1 (de) 2016-03-02

Family

ID=41668049

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10754499.1A Not-in-force EP2478155B1 (de) 2009-09-18 2010-09-15 Unterlegplatte für die befestigung einer schiene auf einem festen untergrund und befestigung einer schiene

Country Status (11)

Country Link
US (1) US7992796B2 (pl)
EP (1) EP2478155B1 (pl)
JP (1) JP2013505378A (pl)
CN (1) CN102498246B (pl)
AR (1) AR079285A1 (pl)
DE (2) DE202009014434U1 (pl)
EA (1) EA026788B1 (pl)
PL (1) PL2478155T3 (pl)
TW (1) TWI453323B (pl)
UY (1) UY32891A (pl)
WO (1) WO2011032974A1 (pl)

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Also Published As

Publication number Publication date
TW201122179A (en) 2011-07-01
US20110068183A1 (en) 2011-03-24
CN102498246B (zh) 2014-11-19
PL2478155T3 (pl) 2016-08-31
TWI453323B (zh) 2014-09-21
DE102009041816B4 (de) 2011-07-28
EA026788B1 (ru) 2017-05-31
CN102498246A (zh) 2012-06-13
DE102009041816A1 (de) 2011-05-05
EA201200308A1 (ru) 2012-10-30
DE202009014434U1 (de) 2010-02-11
WO2011032974A1 (de) 2011-03-24
JP2013505378A (ja) 2013-02-14
US7992796B2 (en) 2011-08-09
AR079285A1 (es) 2012-01-18
UY32891A (es) 2011-04-29
EP2478155A1 (de) 2012-07-25

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