EP4089231A1 - Système de drainage pour un passage à niveau ferroviaire - Google Patents

Système de drainage pour un passage à niveau ferroviaire Download PDF

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Publication number
EP4089231A1
EP4089231A1 EP22169217.1A EP22169217A EP4089231A1 EP 4089231 A1 EP4089231 A1 EP 4089231A1 EP 22169217 A EP22169217 A EP 22169217A EP 4089231 A1 EP4089231 A1 EP 4089231A1
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EP
European Patent Office
Prior art keywords
level
channel
drainage system
covering
rails
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.)
Pending
Application number
EP22169217.1A
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German (de)
English (en)
Inventor
Luciano Zanolari
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.)
Nagita Ag
Original Assignee
Nagita 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
Priority claimed from CH00544/21A external-priority patent/CH718625A2/de
Application filed by Nagita GmbH filed Critical Nagita GmbH
Publication of EP4089231A1 publication Critical patent/EP4089231A1/fr
Pending legal-status Critical Current

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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
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/008—Drainage of track
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C9/00—Special pavings; Pavings for special parts of roads or airfields
    • E01C9/04—Pavings for railroad level-crossings

Definitions

  • the invention relates to a drainage system for a level crossing according to the preamble of patent claim 1.
  • Tracks for rail vehicles comprise two steel rails arranged parallel to one another.
  • the rails are usually attached to sleepers which are arranged at equal distances from one another across the rails.
  • the sleepers can be made of steel, wood or concrete, for example. They usually lie in a bedding that mostly consists of gravel. Gravel is permeable to water, has a natural elasticity and offers a good position security on a load-bearing base. But this only applies if the gravel is clean. Tracks with a ballast bed therefore require regular maintenance work.
  • the level of the track Adjacent to the rails, in particular between the two rails of the track, the level of the track is usually adjusted to that of the rails by covering it with plate-like covering elements.
  • Such covering elements can be designed in one piece or in several parts, for example.
  • Such covering elements preferably comprise a non-slip surface, which can be made of a rubber-like material, for example.
  • Covering elements can for example, be designed and directly or indirectly border a rail with a connecting element in such a way that a channel is formed between the rail head and a main section of the covering element. This channel provides the space required for wheel flanges on rail vehicle wheels and also allows rainwater to drain away along the rails.
  • a drainage system for rail-level level crossings is known, with a row of support elements being arranged parallel next to each rail for supporting covering panels adjoining the respective rail on the outside.
  • a groove is embedded in the top of each support element.
  • the lined-up support elements form a channel running parallel to the rails and transverse to the roadway. This channel is covered by grating elements that are flush with the roadway in a wider receiving area of the groove are held.
  • the concrete sleepers of the track and the supporting elements are supported by a ballast bed. Rainwater is therefore also drained off to the side of the roadway via the channels into the ballast bed.
  • One object of the present invention is to create a drainage system for a level crossing that reliably protects the ballast bed of the respective track from excessive soiling.
  • the drainage system comprises at least one collecting channel arranged laterally next to the covering of the level crossing and at least one inlet ramp assigned to this collecting channel, which adjoins the covering of the level crossing at the front and directs water flowing over the edge of this covering into the collecting channel.
  • the drainage system Due to the lateral arrangement next to the level crossing, the drainage system is not exposed to forces from the means of transport crossing the level crossing. In addition, the system can be easily adapted to the requirements of different level crossings.
  • the collecting trough is preferably electrically insulated below between two adjacent sleepers of the track attached to one or both rails of the track.
  • the galvanic isolation of the busbars is retained even when the collecting trough is installed.
  • the collecting channel can in particular be arranged flush with or directly adjacent to one of the sleepers.
  • the collection channel can be made, for example, from hot-dip galvanized steel or from a corrosion-resistant alloyed CrNi or CrNiMo steel with a wall thickness in the range from 2mm to 6mm, for example about 4mm. It therefore has high mechanical stability and is protected from environmental influences.
  • the channel can also be made of mild steel (S235JR) with a suitable long-lasting corrosion protection, e.g. according to ISO/EN/SN 12944-5:2018 or the corresponding standard from 2020.
  • S235JR mild steel
  • a suitable long-lasting corrosion protection e.g. according to ISO/EN/SN 12944-5:2018 or the corresponding standard from 2020.
  • a zinc alloy such as ZN/AL 85/15 with a layer thickness of around 64 ⁇ m to 100 ⁇ m, e.g. around 80 ⁇ m, a 2-component epoxy resin layer as pore filler and two further epoxy resin coatings of at least 210 ⁇ m each.
  • the collecting trough or parts thereof can be made of preferably weatherproof and chemical-resistant plastic or coated accordingly.
  • the wall thickness of plastic gutters is preferably in the range of approx 5mm to about 30mm.
  • Collection channels or parts thereof can also be made of composite materials made of metal and plastic. In particular, such parts can include metal structures embedded in plastic, which, for example, ensure high stability with a comparatively low weight and/or comparatively small wall thicknesses.
  • the collection channel is able to easily withstand shocks and vibrations, such as those that can occur when tamping and compacting or generally during maintenance work on the track.
  • the collection trough may comprise one or more sections joined together. This facilitates the assembly of the collection trough. After the ballast has been cleared away, the respective section of the collecting channel can simply be inserted between two adjacent sleepers transversely to the longitudinal direction of the rails and fastened to at least one of the rails. If the collection channel comprises several sections, these sections can then be added and connected to one another. This simplifies installation even when space is limited. In the assembled state, the bottom area of the collecting trough has a slope relative to the horizontal, which can be at least about 2%, for example.
  • a collecting trough with a substantially rectangular cross section this can be achieved, for example, in that the wall of the collecting trough trapezoidal side walls, the lower edges of which are connected to one another by a flat bottom section.
  • collection channels with other cross-sectional shapes for example with a U-shaped cross-section, can also have a gradient in the bottom area.
  • the collecting trough can comprise at least one adjustable fastening element, which enables the collecting trough to be fastened to a rail at at least two different height levels and/or at least two different inclination positions. This is particularly advantageous if the collecting trough is to be attached to two rails at different height levels.
  • Collection troughs can also comprise essentially rectangular side walls, the gradient being achieved only by the adjustment or arrangement of the respective fastening elements when mounted on the rails. This also applies to collection channels with other cross-section shapes.
  • the manufacture of collecting troughs with rectangular side walls is simple and inexpensive.
  • channel sections with a uniform channel height can be joined and connected to one another as desired at the connection points without adjusting the height.
  • Collection channels are preferably trough-like with wall sections at the longitudinal ends educated. This prevents water from running off uncontrolled at the longitudinal ends of the collection channel.
  • the collection channel can, for example, include a drainage opening at the lowest point, in particular in the end area of the channel bottom.
  • a retaining grid which is preferably releasably connected to the collection channel in the area of the outflow opening, can prevent foreign bodies from being washed away through the outflow opening.
  • a connecting piece can be formed at the drain opening for fastening a further drain pipe. Installations for conveying water from one or more collecting troughs can be freely designed according to the respective local requirements.
  • two collecting channel sections can also be designed and joined together in such a way that the lowest point is arranged in the area of the joining point. As a result, water can be discharged from two sides into a common continuing drain pipe.
  • the collecting trough usually includes a grating that covers the overhead opening of the trough wall.
  • the grating can comprise one or more grating elements arranged in a row with inlet openings for the water to be drained off.
  • the collecting trough can include on the inside of the wall projecting carrier that the laying and moving the grate elements in the longitudinal direction Enable collection trough.
  • the collecting trough comprises anchor elements for fastening or securing the grate elements in the respective end position.
  • Anchoring elements can, for example, be holders protruding on the inside of the wall, to which the grating elements can be screwed with safety clips.
  • the collecting trough can also be designed to be open or without covering grating elements.
  • access to the collection trough cannot be blocked by grass, leaves and the like.
  • inlet ramps can therefore protrude into the interior of the collection channel. This favors the safe introduction of water into the gutter.
  • the collection channel can be covered with a closed cover, for example a cover made of metal or plastic, the surface of which is preferably designed or coated to be anti-slip, as an alternative to a grating element.
  • a closed cover for example a cover made of metal or plastic, the surface of which is preferably designed or coated to be anti-slip, as an alternative to a grating element.
  • fastening means can be provided on the collecting trough which, if necessary, do not impede the insertion of grate elements.
  • Such fastening means can, for example, comprise bridges which are attached to opposite edge sections welded to the wall of the collecting trough or connected in some other way, for example by means of screws, in a detachable manner.
  • each fastening means comprises two base assemblies which can be releasably fastened to the respective rail on opposite sides of the rail foot, for example by being clamped using clamping shoes.
  • At least one, preferably all, of the base assemblies are mounted so as to be displaceable in the longitudinal direction of the collecting trough and are connected to the collecting trough so that they cannot be displaced in a predeterminable position. This enables the collection trough to be easily attached to the rails of different tracks.
  • the base assemblies are moved into the desired position at the foot of the respective rail and connected directly or indirectly to the collecting trough via a connecting body in a non-displaceable manner. Then the base assembly is attached to the foot of the rail. A section of the foot of the rail is preferably clamped between a plate of the base assembly and a clamping shoe.
  • Inlet ramps are designed to discharge water from the level crossing covering into the collection channel and have a corresponding slope towards the collection channel. Entry ramps are preferred detachable again, for example connected to the respective collecting trough by means of screws or clamp connectors.
  • entry ramps can be specified or adapted differently for different level crossings in accordance with the local requirements.
  • entry ramps can be made partially or entirely of plastic or of another electrically insulating material. This ensures that the rails of a track are not electrically connected to each other by the drainage system and that the galvanic isolation of the rails is maintained.
  • inlet ramps can also be made partially or entirely of metal and connected to the collecting trough, for example by means of a plate made of plastic or rubber, in an electrically insulated manner by means of screws or other suitable fastening means.
  • the drainage system preferably includes an adjustable holding device for each inlet ramp, with which the inlet ramp can be attached to the collection channel in an individually predeterminable position and/or orientation.
  • inlet ramps can then also simply be arranged in an optimal position and on the collection channel fixed if the collecting trough is located immediately adjacent to or very close to one of the two adjacent sleepers of the track.
  • This has the advantage that the space between the collecting channel and the adjacent sleeper opposite is large enough to be filled with ballast, which can then be compacted.
  • the dimensions or the grain size of ballast parts are in the order of about 20mm to about 65mm.
  • Run-in ramps can have a fixed ramp length or, alternatively, an adjustable variable ramp length.
  • the latter can be achieved, for example, in that the entry ramp comprises at least two sections which overlap one another and, like a telescope, can be arranged with different lengths of the overlapping area and connected to one another.
  • Covering elements adjoining rails comprise a continuous edge recess along the rail at least on the underside. This serves as a storage space for screws and tension clamps with which the rails are attached to the sleepers.
  • These recesses and/or other structures that protrude or are recessed on the face side of the covering can be used as overlapping zones for adjacent edge regions of entry ramps. The overlapping of the edge of the covering over the edge of the inlet ramp promotes the safe transfer of water to the inlet ramp. In addition, the position and the range of movement of the entry ramps on the roofing side can be limited. In the case of coverings which have recesses or channels running in the longitudinal direction of the rails on their upper side, rainwater is drained off along these channels to the front edges of the covering.
  • the gutters Preferably are immediately adjacent to the gutters specially designed channel-like entry ramps. These can, for example, include raised edge areas at the sides, which ensure that larger volume flows of water to be discharged are also safely introduced into the collecting channel.
  • the edge regions of these channel-like inlet ramps that are raised or project upwards relative to a base line define the direction of flow of the water to be drained off.
  • Such inlet ramps are preferably designed and arranged in such a way that they at least partially deflect the water flow entering parallel to the longitudinal direction of the rails, for example at an angle of the order of about 30° to about 60°, in particular about 45°, to the longitudinal direction of the collecting channel. This promotes the safe introduction of water into the collection channel, even with larger volume flows.
  • the inlet ramp opens out as close as possible to the nearer edge of the collection chute or inside the collection chute.
  • Inlet ramps can include an elastic sealing lip at least adjacent to the covering. This can, for example, comprise an edge area which is attached directly or by means of a connecting plate to the adjacent upper edge of the collecting channel. The opposite other edge area is preferably pressed against the edge of the covering on the face side due to an elastic prestressing force. Such run-in ramps can at least approximately over the entire area between the rails extend. This allows water to be drained into the gutter in the entire area of the covering between the rails.
  • the top of an edge plate of the covering 1 has approximately the same level as the top of the rail heads. If the level of the two rails is slightly different, for example in a curve, the edge plate can also be correspondingly slightly inclined relative to the horizontal (not shown).
  • the edge plate comprises an upper edge recess 1a on each of the edges adjoining the rails 3 . Together with the adjoining rails 3, these upper edge recesses 1a each form a channel, also called a rut, for receiving the wheel flanges of rail vehicle wheels. Rainwater is also drained off in the longitudinal direction of the rails 3 to the front edge of the covering 1 via these channels.
  • the edge plate additionally comprises a lower one on each of the edges adjoining the rails 3 Edge recess 1b, which is dimensioned so that it can accommodate screws and tension clamps with which the rails 3 are attached to the sleepers.
  • a collection channel 5 made, for example, from hot-dip galvanized steel is preferably arranged in the first intermediate space between two adjacent sleepers next to the covering 1 transversely to the rails 3 . In particular, it can be arranged directly after one of these sleepers.
  • Your width L1 ( Fig.4 ) is, for example, about 20 cm and is dimensioned in such a way that the free space between the collection channel 5 and the adjacent sleeper(s) can be easily backfilled or tamped with gravel.
  • the wall thickness of the collection channel 5 is preferably in the range from about 3 mm to about 6 mm and is 4 mm, for example.
  • the wall of the collecting trough 5 comprises an approximately flat bottom and side walls projecting upwards at an angle of approximately 90° on its longitudinal edges. These can as in figure 3 shown to have the shape of a right-angled trapezium. With respect to the upper edges, the lower edges of these side walls are inclined at an angle of inclination ⁇ of, for example, 0° to 5°, preferably about 1° to about 2°, in particular about 1.15°. If the top edges of the side walls are aligned horizontally, the bottom has the Collection channel 5 in the longitudinal direction a corresponding slope.
  • the collecting channel 5 includes a discharge opening 6 and a connecting piece 8 for connecting a further discharge pipe.
  • the drain opening 6 and the connecting piece 8 can be used as in figure 3 shown at the bottom of the collecting trough 5 or alternatively at the front end of the wall of the collecting trough 5.
  • the length of the collecting trough 5 is generally in the order of about 50 cm to about 4 m and can be about 3 m, for example. Other values are also possible.
  • the width of the collecting trough 5 can be in the range from about 10 cm to about 30 cm, for example about 20 cm.
  • the height of the collecting trough can be, for example, in the order of magnitude of about 4 cm minimum and about 35 cm maximum.
  • the mean height is in the range from about 4 cm to about 15 cm, for example about 10 cm.
  • the collection channel 5 comprises two sections 5a, 5b, which are detachably connected to one another again, for example by screwing to a fastening flange 9 that projects inwards. Since no connecting elements protrude from the outside of the side walls in such collecting channels 5, these side walls can lie directly against be arranged on a threshold. Alternatively, the connection of two or more sections 5a, 5b of the collecting channel 5 could also take place in a different way.
  • the collecting channel 5 can include structures on the inside, such as cover and/or baffle plates 7 for influencing the water flow, particularly at the connection points between two sections 5a, 5b.
  • the side walls of the collecting channel 5 comprise fastening strips 11 for fastening one or more inlet ramps 35a, 35b, 35c.
  • Each fastening strip 11 can, for example, comprise an edge section of the respective side wall which is deformed inwards or outwards.
  • the fastening strips 11 can also be tubular profiles welded on the outside or inside along the side wall edges.
  • the fastening strips 11 are sections of square tubes welded to the inside of the side walls of the collecting channel 5 .
  • the overhead opening of the collecting channel 5 is covered by a row of grating elements 13a of an insert grating 13 .
  • These grate elements 13a are mounted on carriers which protrude further inwards below or on the underside of the fastening strips 11 (not shown).
  • the carriers can, for example, comprise angle profiles which are L-shaped in cross-section. They preferably extend over the entire length of the collecting channel 5. This makes it easier the insertion of the grating elements 13a when the collecting trough 5 is installed.
  • the grating elements 13a can be fastened to the carriers or to fastening structures of the collecting trough 5 provided specifically for this purpose by means of securing elements such as, for example, securing brackets, and can thus be secured to the collecting trough 5 (not shown).
  • the collecting channel 5 is fastened to each of the two rails 3 with a fastening device 15 at the bottom.
  • the fastening device 15 can be used as in figure 9 shown, for example, a U-shaped bent or formed metal plate 17 with a flat base portion 17a and two lateral tabs 17b orthogonal to the base portion 17a protruding.
  • a longitudinal recess 19 is formed from the edge in a front section of each tab 17b, and a row of bores 21 is formed in a rear section, approximately parallel thereto 17 is screwed (screw elements not shown).
  • the metal plate 17 and the plastic plate 23 have aligned bores 25 on the front and rear edge sections.
  • the plastic plate 23 has a continuous mounting bore 27 approximately in the middle of the edge areas.
  • the mutual spacing of these mounting bores 27 is slightly larger than that Width L2 ( 4 ) a rail 3 in her foot area.
  • the metal plate 17 includes cutouts (not shown) in the area of the mounting holes 27 . These are large enough so that areas of the plastic plate 23 adjoining the mounting holes 27 are exposed.
  • the plastic plate 23 of each of the fastening devices 15 is fastened to the bottom of the respective rail 3 by means of clamping shoes 29 and clamping screws 31 guided through the mounting holes 27 . Due to the recesses in the metal plate 17, the clamping screws 31 are only connected to the plastic plate 23 and are thus electrically insulated from the metal plate 17.
  • the covering 1 can, in addition to covering elements arranged between the rails 3 , also comprise covering elements which border one or both rails 3 on the outside. As a rule, these further covering elements do not have any upper edge recesses 1a.
  • the edge of a section of the covering 1 adjoining a rail 3 on the outside can be offset in the longitudinal direction of this rail 3 to the section of the covering 1 arranged between the rails 3 .
  • the collection channel 5 can optionally also have only one clamping shoe 29 and one Clamping screw 31 are attached to the inside of the respective rail 3.
  • the distance L3 between the two lugs 17b of the metal plate 17 essentially corresponds to the width L1 of the collecting trough 5, so that the upper region of the collecting trough 5 can be pushed into the receiving space between the two lugs 17b.
  • the side walls of the collecting trough 5 include, in the area of their upper edges, bores for screwing the fastening device 15. Such bores can be provided in particular in the area of the fastening strips 11 and, if necessary, can have an internal thread.
  • the fastening device 15 can be connected to the collection channel 5 at different defined levels by screwing a screw 33 ( 7 ) is inserted through one of the bores 21 on this tab 17b into the respective bore on the collection channel 5 and screwed tight there. As a result, the collecting channel 5 and the fastening device 15 are positively connected to one another. Instead of a bore 21, which is arranged at a defined height level in the respective bracket 17b, the screw 33 can be inserted through the elongated recess 19 on the bracket 17b. This enables stepless adjustment of the desired level.
  • the screw connection causes a non-positive connection of the fastening device 15 with the collection channel 5.
  • the respective level can be infinitely adjusted to the respective rail level in at least one of the fastening devices 15 . In this way it can be ensured that the collection trough 5 has a predetermined gradient when it is attached to the rails 3 .
  • the collecting channel 5 can optionally comprise two bores at each wall edge, which are arranged at the same distance from one another as the distance L4 of the elongated recess 19 to the row of bores 21 in each of the tabs 17b. This is particularly advantageous when a holding channel 5 is attached to only one rail 3 . Due to the fastening points spaced apart in the longitudinal direction of the collecting trough 5, the holding moment with which the collecting trough 5 is fastened to the rail 3 in the respective inclined position can be increased.
  • the fastening device 15 is designed in the manner of a bridge, with the base section 17a of the metal plate 17 being arranged at a distance above the edge of the collecting trough 5, grating elements 13a of the grating 13 can also be easily pushed in or removed again along the fastening strips 11 when the collecting trough 5 is already on the rails 3 is attached.
  • One or more inlet ramps 35a, 35b, 35c can be fastened to the edge of the collecting channel 5 facing the covering 1, which are designed to introduce water flowing over the edge of the covering 1 into the collecting channel 5.
  • Each inlet ramp 35a, 35b, 35c has a corresponding gradient in the direction of the collection channel 5.
  • a channel-like inlet ramp 35a, 35b is arranged on the left and right adjacent to the respective edge recess 1a or channel of the covering 1.
  • the left entry ramp 35a is made of a weather-resistant and electrically insulating plastic such as a polyamide. It includes a U-shaped wall that curves upwards.
  • An edge section of the wall defining the direction of flow of water is aligned on the outflow side at an angle ⁇ , which is preferably of the order of about 30° to about 60°, relative to the longitudinal direction of the rails 3 .
  • ⁇ which is preferably of the order of about 30° to about 60°, relative to the longitudinal direction of the rails 3 .
  • the inlet ramps 35a, 35b can, for example, by means of a support foot 36 ( figure 10 ) directly on the mounting strip 11 or on a mounting plate 37 that protrudes from the mounting strip 11 and is connected to it.
  • the inlet ramp 35b which is arranged adjacent to the other rail 3, is arranged analogously to the inlet ramp 35a, but in contrast to the latter is made of folded sheet metal. Therefore, the support foot (not shown) connected to the mounting plate 37 or the fastening strip 11 comprises an electrical insulator. This prevents an electrically conductive connection between the rail 3 and the collecting channel 5.
  • the inlet ramp 35c arranged in the central region between the rails 3 comprises the mounting plate 37 connected to the fastening strip 11 and an elastic sealing lip 39 which overlaps the mounting plate 37 and is connected to it.
  • the sealing lip 39 could also be attached directly to the attachment strip 11 of the collection channel 5 .
  • the free edge of the sealing lip 39 borders on the covering 1 at the front. In the case of level crossings that have deflector plates 41 protruding on the front side of the covering 1, the introduction of water into the collection channel 5 can be improved locally by arranging a transverse rib (not shown) on the upper side of the respective deflector plate 41.
  • collecting troughs 5 and entry ramps 35a, 35b, 35c can also be arranged in sections of the covering 1 which are arranged on the outer sides of the rails 3 of a track.
  • the figure 10 shows another embodiment of the drainage system.
  • the collecting channel 5 comprises a first section 5a, a second section 5b, which is connected to the first section 5a at the outflow end and has an outflow socket 8 at the lower end, and a third section 5c, which is connected to the first section 5a at the opposite end connected is.
  • the three sections 5a, 5b and 5c are in the Figures 11, 12 and 13 each shown in three views from above, from the front and from the left.
  • the length L5 of the first section 5a which is arranged in the area between the rails 3 and is connected to the rails 3, is preferably approximately the same size or slightly smaller than the minimum distance between the two rails 3 of the track.
  • the length L6 of the third section 5c is significantly shorter than the length L5, since the third section 5c essentially only has the function of a fastening element.
  • a bridge-like connecting body 51 is arranged at each of the two ends of the first section 5a and is welded to the channel section 5a or is firmly connected in some other way.
  • the connecting body 51 comprises a plate whose end portions are ribs protruding on the side walls of the groove portion 5a.
  • Each of the connecting body 51 includes a guide member in Shape of a guide profile 53 with a C-shaped cross-section protruding from the upper side of the plate.
  • the internal dimensions at the inflow end essentially correspond to the external dimensions of the first section 5a at the outflow end, so that these end sections can be joined together in an overlapping manner.
  • the protruding ribs of the connecting bodies 51 are accommodated and guided in corresponding recesses 55 on the side walls of the second section 5b of the collecting channel 5.
  • the length of the second section is preferably determined in such a way that the discharge nozzle 8 lies outside the ballast bed of the track.
  • the third section 5c of the collecting trough 5 is a fastener used to fix the first section 5a of the collecting trough 5 to the respective rail 3 . It has a substantially C-shaped cross section, with two side legs protruding downwards on two opposite edges of a cover plate. The side legs protrude beyond the front of the cover plate in the longitudinal direction and at their ends include frontal recesses 57, in which the protruding ribs of the adjacent connecting body 51 are accommodated when they are attached to the first section 5a of the collecting channel 5. An end plate with a bore 58 protrudes downward at the front rear edge of the cover plate.
  • the top plate includes two parallel elongated holes 59. It is a guide member for slidably locating and fixing a primary base assembly 61a ( figure 14 ) in a predetermined position, for example by means of screws.
  • the primary base assembly 61a comprises an electrically insulating plastic plate 63 and an upwardly projecting screw 65 as a holding means for a clamping shoe 71.
  • the primary base assembly 61a is attached to the outside at the foot of the adjacent rail 3 clamped.
  • the clamping shoe 71 is preferably also made of an electrically insulating plastic.
  • a secondary base assembly 61b is similarly fixed to the base of this rail 3 on the inside.
  • the secondary assembly 61b is mounted on the adjacent guide profile 53 of the first channel section 5a so that it can be displaced in its longitudinal direction.
  • it comprises a profile body 69 with a T-shaped cross section, which is attached to the underside of another plastic plate 63 .
  • a threaded rod 73 is passed through a longitudinal bore 75 in the profile body 69 and through a bore 58 at the end of the third section 5c of the collecting channel 5.
  • a stop plate at one end of the threaded rod 73 rests against the profile body 69 .
  • the base assemblies 61a, 61b can be braced on both sides with the respective rail foot and be kept in this position.
  • the third section 5c is also clamped to the first section 5a of the collecting channel 5, so that these sections 5a and 5c are securely connected to one another.
  • the first section 5a and the second section 5b of the collecting channel 5 are also connected to one another in an analogous manner.
  • the second section 5b comprises as a guide element two L-shaped inwardly formed upper edge sections of the channel wall with elongated holes 49.
  • a bore 48 for the threaded rod 73 is arranged on a plate adjacent to these edge sections.
  • the base assemblies 61a, 61b and/or their bearings on the respective collection trough section can include means that enable the respective base assemblies 61a, 61b to be mounted in at least two different positions transverse to the longitudinal direction of the collection chute 5, e.g. further parallel elongated holes 49, 59 on the respective bearing element (not shown). In this way, the fastening location on the respective rail foot can be adapted to local conditions.
  • all nuts 76, 67 are identical. This enables very simple assembly and disassembly of the collection channel 5 on a track with just one tool.
  • each mounting plate 37 has oblong holes (not visible) on the longer leg resting on the collecting trough 5 , which enable the mounting plate 37 to be fastened to the collecting trough 5 at predeterminable heights and/or inclinations.
  • Each of the inlet ramps 35a, 35b is attached to the respective mounting plate 37 with a support foot 36 in predeterminable positions and alignments. How out figure 15 As can be seen, the shorter leg of the mounting plate 37 and a base plate of the support foot 36 have oblong holes which enable the support foot 36 or the entry ramp 35a, 35b to be placed in different longitudinal and transverse positions and in different rotational positions according to the three arrows P1, P2 and P3 in figure 15 to be connected to the mounting plate 37 on the collecting channel 5.
  • the entry ramps 35a, 35b preferably comprise two or more sections which can be connected to one another in different positions. As a result, the overall length of the respective entry ramp 35a, 35b can be optimally adapted to the respective circumstances.
  • an outer section of the entry ramp 35a, 35b which is fixedly or pivotably connected to the support foot 36, can include guide grooves 34 for threaded bolts 32 protruding on an inner section.
  • the two sections of the respective entry ramp 35a, 35b can then be connected to one another in a predeterminable position, for example by means of wing nuts 30.

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  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
EP22169217.1A 2021-05-14 2022-04-21 Système de drainage pour un passage à niveau ferroviaire Pending EP4089231A1 (fr)

Applications Claiming Priority (2)

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CH00544/21A CH718625A2 (de) 2021-05-14 2021-05-14 Entwässerungssystem für einen schienengleichen Bahnübergang.
CH000288/2022A CH718596B1 (de) 2021-05-14 2022-03-18 Schienengleicher Bahnübergang mit einem Entwässerungssystem und Entwässerungssystem für einen schienengleichen Bahnübergang

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EP4089231A1 true EP4089231A1 (fr) 2022-11-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4438809A1 (fr) 2023-03-27 2024-10-02 Nagita AG Système de drainage pour voies ferroviaires

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2492177A (en) * 1945-01-31 1949-12-27 Olsen Oliver Ingvard Combination railroad tie and drainage system
US4336906A (en) 1978-12-20 1982-06-29 A-Betong Ab Arrangement by crossings between roads and railways
DE4340787A1 (de) * 1993-11-23 1995-05-24 Frenzel Otto Bauunternehmen Vorrichtung zum Auffangen von Schadstoffen im Schienenbereich
DE19806223A1 (de) * 1998-02-16 1999-08-19 Ortwein Gleis mit zwischen den Schienen angeordneten Gleisentwässerungskästen
DE102007024606A1 (de) * 2006-06-03 2007-12-13 Hauraton Gmbh & Co. Kg Entwässerungsvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2492177A (en) * 1945-01-31 1949-12-27 Olsen Oliver Ingvard Combination railroad tie and drainage system
US4336906A (en) 1978-12-20 1982-06-29 A-Betong Ab Arrangement by crossings between roads and railways
DE4340787A1 (de) * 1993-11-23 1995-05-24 Frenzel Otto Bauunternehmen Vorrichtung zum Auffangen von Schadstoffen im Schienenbereich
DE19806223A1 (de) * 1998-02-16 1999-08-19 Ortwein Gleis mit zwischen den Schienen angeordneten Gleisentwässerungskästen
DE102007024606A1 (de) * 2006-06-03 2007-12-13 Hauraton Gmbh & Co. Kg Entwässerungsvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4438809A1 (fr) 2023-03-27 2024-10-02 Nagita AG Système de drainage pour voies ferroviaires

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