Drainage mould for a track transition device

Abstract

A drainage molded body for a track crossing device comprises two track end regions arranged at a distance from each other in a transverse direction of the molded body, wherein at least one, preferably each, track end region provides a groove recess (46, 48) extending substantially in a longitudinal direction of the molded body orthogonal to the transverse direction of the molded body, further comprising at least one drainage channel (52) extending from the at least one groove recess (46, 48) to at least one drainage opening (54).

Description

[0001] The present invention relates to a drainage molded body for a track crossing device.

[0002] A drainage molded body according to the preamble of claim 1 is known from EP 4 089 231 A1. Attached to a molded body located last in the longitudinal direction of a track crossing device are inlet ramps extending from the groove recesses formed therein. Water accumulating in the groove recesses is channeled toward a collecting channel running beneath the rails.

[0003] DE 42 29 289 A1 discloses a track transition device constructed with a plurality of track transition elements. The track transition elements comprise central elements arranged between the two rails of a track, each of which adjoins a rail head of the two rails of a track with rail contact end regions spaced apart in a transverse direction of the elements. Outer elements are positioned outside the two rails. To prevent contact with the wheel rims of the rail vehicle's wheels when a rail vehicle passes over them, a track groove recess extending in a longitudinal track direction or a longitudinal direction of the elements is provided in each rail contact end region of the central elements.

[0004] WO 97 / 47818 A1 discloses a track transition device with a plurality of such track transition shaped bodies, which are held together by rod-like bracing units penetrating the successively arranged track transition shaped bodies in the longitudinal direction of the track and are locked with respect to the sleepers of the track.

[0005] EP 0 539 349 A1 discloses a device for protecting the ballast bed of a track system from liquids leaking from rail vehicles. This device comprises collecting trays positioned between and outside the rails of a track system, in which the liquids leaking from rail vehicles are collected and drained through drainage openings formed therein.

[0006] It is the object of the present invention to provide a drainage molding for a track transition device, with which water accumulating in track groove recesses of track transition moldings can be drained away in a reliable manner.

[0007] According to the invention, this object is achieved by a drainage molded body for a track crossing device, comprising two rail system end regions arranged at a distance from one another in a molded body transverse direction, wherein in at least one, preferably each rail system end region, a track groove recess is provided which extends substantially in a molded body longitudinal direction orthogonal to the molded body transverse direction, further comprising at least one drainage channel extending from the at least one track groove recess to at least one drainage opening.

[0008] By providing at least one drainage channel and at least one drainage opening receiving water flowing out of it, water accumulating in the track grooves of a track transition device can be collected and directed in a defined manner into an area in which a drainage pipe positioned in a track system, for example in a sleeper compartment between two sleepers and open at the top, receives the water flowing out and drains it away from the area of ​​the track system.

[0009] To ensure uniform and efficient drainage of water from the area of ​​the track groove recess, the at least one drainage opening extends through the drainage molded body in a vertical direction orthogonal to the molded body transverse direction and the molded body longitudinal direction. A drainage opening can be positioned substantially centrally between the rail support end regions in the molded body transverse direction.

[0010] If a track groove recess extending in the longitudinal direction of the molded body is provided in each rail system end region, it can be provided for a uniform drainage of water from the track groove recesses provided in the rail system end regions that at least one drainage channel has drainage channel sections extending from each track groove recess to at least one drainage opening.

[0011] In order to support the flow of the water to be drained in the direction of the at least one drainage opening, it is proposed that the at least one drainage channel has a preferably substantially constant gradient in the direction from at least one rail system end region to the at least one drainage opening.

[0012] In this case, too, a uniform drainage of water from the area of ​​the two rails or the track groove recesses associated with them can be supported by the drainage channel sections having the same gradient to one another and / or by the drainage channel sections being designed to be substantially mirror-symmetrical to one another with respect to a longitudinal center plane of the molded body extending in the longitudinal direction of the molded body and orthogonal to the transverse direction of the molded body.

[0013] In order to support the flow of water to be drained towards a drainage opening in a drainage channel, it is proposed that the at least one drainage channel has a drainage channel base, and that: in at least one region where the at least one drainage channel adjoins a track groove recess, the drainage channel base is at least partially lower than a track groove recess base in a molded body height direction orthogonal to the molded body transverse direction and the molded body longitudinal direction, i.e. is set back relative to the molded body height direction, and / or the drainage channel base has a gradient towards a drainage channel width center region in a drainage channel width direction substantially corresponding to the molded body longitudinal direction, preferably being substantially V-shaped.

[0014] The at least one drainage opening can be open on the underside of the molded body in the region of a drainage recess. This drainage recess is generally open downwards on the underside of the molded body, i.e., toward the subsurface beneath the drainage molded body, for example, provided by sleepers or sleeper compartments formed therebetween.

[0015] In order to be able to provide a defined volume for the drainage recess to absorb water from the associated drainage opening, the drainage recess can be delimited by a recess peripheral wall in the mold body transverse direction and / or in the mold body longitudinal direction.

[0016] Since, when installing a drainage molding in a track crossing device, particularly when this is done as part of a retrofitting of an already existing track crossing device, it is not guaranteed that a drainage opening provided in the drainage molding can be positioned in the longitudinal direction of the molding or the longitudinal direction of the track exactly above an opening of a drainage pipe that is generally located centrally between the two rails of a track, for example in a sleeper compartment, a diverting element covering the drainage recess at least in the region of an opening of the at least one drainage opening can be provided on the underside of the molding.

[0017] The drainage element can have a drainage area positioned in the longitudinal direction of the shaped body in the area of ​​extension of the drainage recess for draining the water collected from a drainage opening covered by it. Such a structure can be used especially when an opening of a drainage pipe installed in a track system is located below the drainage shaped body and in particular below the drainage recess in the longitudinal direction of the track.

[0018] In order to obtain a design that is easy to manufacture, the discharge element can be designed in a plate-like manner, and the discharge region can be provided by a discharge end of the discharge element.

[0019] In order to be able to ensure the drainage of water flowing through a drainage opening into the opening of the drainage pipe even if there is a larger offset in the longitudinal direction of the track between a drainage molding installed or to be installed on a track crossing device and the opening of a drainage pipe, so that the opening of the drainage pipe is not positioned below the drainage molding or the drainage recess formed on its underside, it is proposed that the drainage element has a drainage area positioned in the longitudinal direction of the molding outside the extension area of ​​the drainage recess.

[0020] For this purpose, the discharge element can be designed in a trough-like manner, and the discharge region can comprise at least one discharge opening in a trough bottom of the discharge element.

[0021] The invention further relates to a track transition device comprising a plurality of track transition shaped bodies arranged one after the other in a track longitudinal direction, wherein a drainage shaped body constructed according to the invention is arranged adjacent to at least one track transition shaped body, for example the last one in the track longitudinal direction.

[0022] The track transition bodies can comprise a plurality of central shaped bodies arranged between two rails. Each central shaped body can have rail-supporting end regions arranged orthogonally to the longitudinal direction of the track and spaced from one another, with a track groove recess extending in the longitudinal direction of the track being provided in at least one, preferably each, rail-supporting end region. Adjacent to at least one central shaped body, for example the last in the longitudinal direction of the track, a drainage shaped body constructed according to the invention can be arranged such that at least one track groove recess of the drainage shaped body adjoins a track groove recess of the central shaped body.

[0023] To ensure the stable cohesion of the track transition device, the track transition molded bodies can be held together by a plurality of bracing units extending substantially in the longitudinal direction of the track. To also ensure a defined positioning of one or more drainage molded bodies on the track transition device, it is proposed that at least one drainage molded body be pressed against a last track transition molded body in the longitudinal direction of the track by at least one locking unit.

[0024] The present invention is described in detail below with reference to the accompanying figures. They show: Fig. 1 a plan view of a track with a track transition device in a schematic representation; Fig. 2 a partial central longitudinal section of the track transition device of the Fig. 1in the area of ​​a central molded body and an adjoining drainage molded body; Fig. 3 a view of the drainage molded body from above; Fig. 4 a perspective view of the drainage molded body obliquely from above; Fig. 5 a cross-sectional view of the drainage molded body, cut in the area of ​​a drainage channel; Fig. 6 a view of the drainage molded body from below; Fig. 7 one of the Fig. 6 corresponding view with a drainage element attached to a bottom side of the drainage molding; Fig. 8 one of the Fig. 7 corresponding view with an alternative design of a discharge element; Fig. 9 a perspective view of the trough-shaped discharge element of the Fig. 8 .

[0025] In Fig. 1A track transition device provided on a track 10 is generally designated by 12. The track 10 comprises two rails 14, 16 running laterally spaced from each other in a track longitudinal direction GL, which, for example, are arranged on Fig. 2 shown and positioned in a ballast bed 19.

[0026] The track crossing device 12 comprises a plurality of track crossing preforms 18, constructed, for example, from bound waste rubber granulate. The track crossing preforms 18 comprise central preforms 20 positioned consecutively and adjacent to one another between the rails 14, 16 in the track longitudinal direction GL, as well as outer preforms 22 positioned outside the rails 14, 16. The central preforms 20 and the outer preforms 22 are held together by rod-like bracing units 24, which are constructed, for example, from several elements. Two bracing units 24 running side by side can be provided in association with the central preforms 20, and one such bracing unit 24 can be provided in association with each of the outer preforms 22 arranged outside the rails 14 and 16, respectively. The bracing units 24 hold the track transition bodies 18 together and also lock them with respect to the track 10.For example, in a mid-length area in the track longitudinal direction GL, the bracing units 24 can be locked to a sleeper.

[0027] With regard to the structure of the track transition device 12 comprising the track transition shaped bodies 18 and the bracing units 24, reference is made, for example, to WO 97 / 47818 A1, the content of which with regard to the basic structure of the track transition device 12 is incorporated by reference into the disclosure content of the present application.

[0028] To provide a substantially flat and uninterrupted surface for vehicle travel, the outer shaped bodies 22 each directly adjoin a side surface of the rail heads 15, 17 of the rails 14, 16. The central shaped bodies 20 also have rail support end regions 26, 28 positioned at a distance from one another and adjacent to the rails 14, 16 or their rail heads 15, 17 in a shaped body transverse direction FQ that is substantially orthogonal to the track longitudinal direction GL. In order to avoid contact with the wheel flanges of the wheels of rail vehicles rolling on the track 10, track groove recesses 30, 32 are formed in the rail system end regions 26, 28 of the central shaped body 20 in a shaped body longitudinal direction FL that is orthogonal to the shaped body transverse direction FQ and essentially corresponds to the track longitudinal direction GL and extends essentially without interruption.

[0029] The track groove recesses 30, 32 are open upwards in a height direction orthogonal to the shaped body transverse direction FQ and to the shaped body longitudinal direction FL and in the shaped body transverse direction FQ onto the respectively assigned rail head 15 or 17 of the rails 14 or 16, so that the track groove recesses 30, 32 of the central shaped body 20, which is supported in the shaped body transverse direction FQ with the rail contact end regions 26, 28 on the rails 14, 16 or their rail heads 15, 17, and the rail heads 15, 17 of the rails 14, 16 in the track longitudinal direction GL are formed, essentially continuous track grooves 34, 36 which are fundamentally closed off from the drainage of water accumulating therein.Depending on the gradient present in the area of ​​the track transition device 12, water accumulating in the track grooves 34, 36 would flow in the longitudinal direction GL of the track towards one or both of the last central shaped bodies 20', 20" in the longitudinal direction GL of the track and would flow there in an uncontrolled manner into the track bed.

[0030] In order to avoid such uncontrolled water flow from the track grooves 34, 36, Fig. 1In the track crossing device 12 shown, a respective drainage molded body 38, 40 is provided in association with each of the last central molded bodies 20', 20" in the track longitudinal direction GL. If a comparatively steep gradient in the area of ​​the track 10 ensures that water accumulating in the track grooves 34, 36 will essentially only flow in one direction, a drainage molded body 38, 40 can be provided, for example, only in association with that of the last central molded bodies 20', 20" in the track longitudinal direction GL, onto which the water will primarily flow due to gravity.

[0031] The two drainage molded bodies 38, 40 can basically be identical in construction to each other, so that in the following also with reference to the Fig. 2 to 9 the structure of the drainage moldings 38, 40 is described in connection with the drainage molding 38.

[0032] In association with each of the two track grooves 34, 36, the drainage molding 38 has a track groove recess 46, 48 in each of its two rail-supporting end regions 42, 44. These track groove recesses 46, 48 can, for example, be of the same dimensions as the track groove recesses 30, 32 of the center molding 20, so that the track groove recesses 46, 48 continue the track grooves 34, 36 essentially without interruption and without steps. In the direction toward the rails 14, 16, the track groove recesses 46, 48 are delimited by lips 47, 49 that engage under the rail heads 15, 17.

[0033] In order to ensure a defined positioning of the drainage moldings 38, 40, they are supported in the longitudinal track direction GL by locking units 50, which are supported, for example, on the rails 14, 16 and press the drainage moldings 38, 40 against the respectively assigned last central molding 20' or 20". The locking units 50 can, for example, comprise locking plates fixed to the rails 14, 16 or their rail feet, on which threaded rods pressing against the drainage moldings 38, 40 are supported in the longitudinal track direction GL.

[0034] The drainage molded body 38 comprises a drainage channel 52 extending in the molded body transverse direction FQ into the region of the track groove recesses 46, 48. A drainage opening 54 is provided substantially centrally between the track groove recesses 46, 48 and associated with the drainage channel 52. A drainage opening 54 extends through the drainage molded body 38 substantially in the molded body vertical direction FH. Thus, a drainage channel section 52 1 , 52 2 extends from each of the two track groove recesses 46, 48 in the direction of the drainage opening 54.

[0035] Each drainage channel section 52 1 , 52 2 has a preferably substantially constant gradient from the respectively associated track groove recess 46, 48 to the drainage opening 54, so that water flowing from the track grooves 34, 36 into the track groove recesses 46, 48 can be guided in a defined manner in the direction of the drainage opening 54. In order to support this flow direction, a drainage channel base 55 of the drainage channel 52 can be located lower in the molded body height direction FH in those areas in which the drainage channel 52 adjoins the track groove recesses 46, 48 or continues into them, than a respective track groove recess base 56, 58 of the track groove recesses 46, 48 in a section of the respective track groove recess 46, 48 leading away from the adjacent central molded body 20'.In particular, a step-like transition from the track groove recesses 46, 48 to the drainage channel sections 52 1 , 52 2 can be provided here, which forms a baffle surface for diverting water flowing in the track grooves 34, 36 in the direction of the drainage channel 52.

[0036] To ensure rapid drainage of even small amounts of water, the drainage channel base 55 is essentially V-shaped and thus has a gradient toward a drainage channel width center region EB. The sections of the track groove recesses 46, 48 of the drainage molded body 38 that adjoin the track groove recesses 30, 32 of the central molded body 20' have a gradient in their track groove recess base 56, 58 in the molded body longitudinal direction FL, i.e., in the direction of the drainage channel 52, which gradient essentially corresponds to the gradient of the region of the drainage channel base 55 adjoining these sections in this direction.

[0037] The figures show that a cover element 60, constructed, for example, from sheet metal, is secured in the drainage channel 52, covering the drainage opening 54, for example by screwing. For this purpose, a depression can be provided in the drainage channel floor 55 in the area of ​​the drainage opening 54, providing a flat support surface for the cover element 60. The cover element 60 comprises a plurality of through-openings and acts like a sieve to prevent larger contaminants from entering the drainage opening 54.

[0038] At the particularly in the Fig. 6 to 8A drainage recess 62 is provided on the visible underside of the drainage molded body, extending in the molded body longitudinal direction FL. This drainage recess 62 is completely enclosed in the molded body longitudinal direction FL and the molded body transverse direction FQ by a recess peripheral wall 64. The drainage opening 54 is open on the underside of the drainage molded body 38 in the region of the drainage recess 62, thus opening into it. The drainage recess 62 thus provides a volume into which the water flowing through the drainage opening 54 enters.

[0039] The Fig. 2shows that a drainage pipe, generally designated 66, is laid in the ballast bed 19. During construction of the track 10, this is generally laid such that it projects, for example, centrally between two sleepers 21 into a sleeper compartment formed between them and is positioned with its opening 68 transverse to the track longitudinal direction GL essentially centrally between the two rails 14, 16. If the drainage opening 54 of the drainage molding 38 is positioned such that it lies directly above the opening 68 of the drainage pipe 66, water entering the volume provided by the drainage recess 62 through the drainage opening 54 can drain directly downwards into the drainage pipe 66.

[0040] In general, however, it cannot be guaranteed that, during the construction of the track 10, such a drainage pipe 66 will be laid in such a way that it will be positioned exactly above a drainage molding to be installed later. This means that, generally, after the installation of such a drainage molding, the drainage opening 54 formed therein is not located above the opening 68 of such a drainage pipe 66, but is offset in the track's longitudinal direction GL.

[0041] In order to ensure that the water drained through the drainage opening 54 is nevertheless guided into the opening 68 of the drainage pipe 66, a drainage element 70 is provided on the underside of the drainage molding 38 facing the ballast bed 19, covering the drainage recess 62, in particular in the area of ​​the opening of the drainage opening 54. Fig. 2 and 7In the embodiment shown, the diverting element 70 is plate-shaped and is fixed, for example, in the region of the recess peripheral wall 64 on the drainage molded body 38. The water flowing through the drainage opening 54 strikes the diverting element 70 covering the drainage recess 62 in this region and is guided by this element and by the recess peripheral wall 64 surrounding the drainage recess 62, essentially in the track longitudinal direction GL toward the region in which the opening 68 of the drainage pipe 66 is positioned. Via a diverting end 71 of the plate-shaped diverting element 70, positioned in the region of the opening 68 and providing a diverting region, the water diverted by the diverting element 70 flows downward into the opening 68 of the drainage pipe 66.

[0042] The Fig. 2 and 7The embodiment shown with the plate-like drainage element 70 can be used in particular when the drainage pipe 66 with its drainage opening 68 is positioned in an area which, after installation of the drainage molded body 38, is covered by the latter or the drainage recess 62.

[0043] However, it could also be the case that the drainage pipe 66 is positioned in such a way that the opening 68 thereof is in a threshold compartment not covered by the drainage molding 38, for example to the right of the Fig. 2 threshold 21 shown on the right. In order to enable a defined drainage of the water entering through the drainage opening 54 into the drainage recess 62 in this case, a Figs. 8 and 9The trough-like drainage element 72 shown in FIG. 1 is also attached to the underside of the drainage molding 38, for example by screwing, so that, as shown in FIG. Fig. 8 shown, covers the area of ​​the drainage recess 62 in which the Fig. 8 indicated drainage opening 54 opens into the drainage recess 62.

[0044] The water collected in the trough-like drainage element 72 is guided through a trough peripheral wall 74 along a trough bottom 76 thereof to a drainage opening 78 formed in the trough bottom 76 and providing a drainage area. This can be positioned such that it lies above the opening 68 of the drainage pipe 66, which is positioned outside the extension area of ​​the drainage molded body 38. This can also ensure that the water passing through the drainage opening 54 is guided into the area in which the drainage pipe 66 can collect this water. Since the trough-like design of the drainage element 72 predetermines a defined flow of the water to be drained in the direction of the drainage opening 78, it is sufficient if the drainage recess 62 is delimited by the recess peripheral wall 64 in the molded body longitudinal direction FL.A limitation in the transverse direction of the molded body FQ is not absolutely necessary, but can, as in the design of the . Fig. 7 However, it should be provided.

[0045] Finally, it should be noted that, in particular, the Fig. 1 and 2 illustrate, a drainage molded body 38 or 40 constructed according to the invention can basically be designed such that it can be positioned adjacent to a respective last central molded body 20' or 20" positioned in the track longitudinal direction GL. For this purpose, the drainage molded body 38, 40 can be designed on its end face adjoining this central molded body 20', 20" with a profiling corresponding to the end face profiling of the central molded body 20, for example a tongue and groove profiling, while a substantially smooth finish can be present at the other end face.

[0046] In principle, such a drainage formwork could also be integrated into a central area of ​​the track crossing, i.e., inserted between two central drainage forms. This type of design is particularly suitable if one or more drainage forms are to be installed during the new construction of the track crossing. InIn this case, the drainage molding has a profile on both end faces oriented in the longitudinal direction of the track, which enables connection to a respective central molding. With this type of design, however, care must be taken when shaping the drainage channel to ensure that it allows the passage of the bracing units holding the central moldings together. These must extend within the volume of the drainage molding outside the drainage channel, which could necessitate restrictions on the depth of the drainage channel. For this reason, positioning the drainage moldings adjacent to a respective last central molding is advantageous, since in this case the bracing units do not extend through the drainage molding, but merely ensure the cohesion of the central moldings.

Claims

1. Drainage moulded body for a track transition device, comprising two rail system end regions (42, 44) arranged at a distance from one another in a moulded part transverse direction (FQ), wherein in at least one, preferably each rail system end region (42, 44) there is provided a track groove recess (46, 48) extending substantially in a moulded body longitudinal direction (FL) orthogonal to the moulded body transverse direction (FQ), characterised by at least one drainage channel (52) extending from the at least one track groove recess (46, 48) to at least one drainage opening (54) extending through the drainage moulded body (38, 40) in a moulded body height direction (FH) orthogonal to the moulded body transverse direction (FQ) and to the moulded body longitudinal direction (FL).

2. Drainage moulded body according to claim 1, characterised in that a drainage opening (54) is positioned in the moulded body transverse direction (FQ) substantially centrally between the rail system end regions (42, 44).

3. Drainage moulded body according to claim 1 or 2, characterised in that in each rail system end region (42, 44) a track groove recess (46, 48) is provided, extending in the moulded body longitudinal direction (FL), and in that at least one drainage channel (52) has drainage channel sections (521, 522) extending from each track groove recess (46, 48) to at least one drainage opening (54).

4. Drainage moulded body according to any one of claims 1 to 3, characterised in that the at least one drainage channel (52) has a preferably substantially constant slope in the direction from at least one rail system end region (42, 44) towards the at least one drainage opening (54).

5. Drainage moulded body according to claim 3 and claim 4, characterised in that the drainage channel sections (521, 522) have the same slope relative to each other, and / or that the drainage channel sections (521, 522) are designed to be essentially mirror-symmetrical with respect to a moulded body longitudinal centre plane extending in the moulded body longitudinal direction (FL) and orthogonal to the moulded body transverse direction (FQ).

6. Drainage moulded body according to any one of claims 1 to 5, characterised in that the at least one drainage channel (52) has a drainage channel base (55), and in that: - in at least one adjacent region of the at least one drainage channel (52) a track groove recess (46, 48) of the drainage channel base (55) in a moulded body height direction (FH) orthogonal to the moulded body transverse direction (FQ) and to the moulded body longitudinal direction (FL) is at least in some areas lower than a track groove recess base (56, 58), and / or - the drainage channel base (55) in a drainage channel width direction essentially corresponding to the moulded body longitudinal direction (FL) has a slope towards a drainage channel width centre region (EB), preferably is formed essentially in a V-shape (62).

7. Drainage moulded body according to one of claims 1 to 6, characterised in that the at least one drainage opening (54) is open on a moulded body underside in the region of a drainage recess.

8. Drainage moulded body according to claim 7, characterised in that the drainage recess (62) is delimited in the moulded body transverse direction (FQ) and / or in the moulded body longitudinal direction (FL) by a recess peripheral wall (64).

9. Drainage moulded body according to claim 7 or 8, characterised by< / b> a drainage element (70; 72) covering the drainage recess at least in the area of a junction of the at least one drainage opening (54) on the underside of the moulded body.

10. Drainage moulded body according to claim 9, characterised in that the drainage element (70) has a drainage area positioned in the moulded body longitudinal direction (FL) in the area of extension of the drainage recess (62).

11. Drainage moulded body according to claim 10, characterised in that the drainage element (70) is plate-like and the drainage area is provided by a drainage end (71) of the drainage element (70).

12. Drainage moulded body according to claim 9, characterised in that the drainage element (72) has a drainage area positioned in the moulded body longitudinal direction (FL) outside the area of extension of the drainage recess (62).

13. Drainage moulded body according to claim 12, characterised in that the drainage element (72) is trough-shaped and the drainage area comprises at least one drainage opening (78) in a trough base (76) of the drainage element (72).

14. Track transition device comprising a plurality of track transition moulded bodies (18) arranged one after the other in a track longitudinal direction (GL), wherein a drainage moulded body (38, 40) according to one of claims 1 to 13 is arranged adjacent to at least one, preferably the last, track transition moulded body (20', 20") in the track longitudinal direction (GL).

15. Track transition device according to claim 14, characterised in that the track transition moulded bodies (18) comprise a plurality of central moulded bodies (20) arranged between two rails (14, 16), each central moulded body (20) having rail system end regions (26, 28) arranged at a distance from one another and orthogonal to the track longitudinal direction (GL), wherein in at least one, preferably each rail system end region (26, 28) there is provided a track groove recess (30, 32) extending in the track longitudinal direction (GL), and that adjacent to at least one, preferably the last central moulded body (20', 20') in the track longitudinal direction (GL), there is arranged a drainage moulded body (38, 40) according to one of claims 1 to 13 in such a way that at least one track groove recess of the drainage moulded body adjoins a track groove recess (46, 48) of the central moulded body (20', 20").

16. Track transition device according to claim 14 or 15, characterised in that the track transition moulded bodies (18) are held together by a plurality of clamping units (24) extending substantially in the track longitudinal direction (GL), and / or that at least one drainage moulded body (38, 40) is pressed against a track transition moulded body (20', 20") located last in the longitudinal direction of the track by at least one locking unit (50).

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