EP2927624B1 - Système de refroidissement de piste d'élan pour tremplin de saut à ski - Google Patents

Système de refroidissement de piste d'élan pour tremplin de saut à ski Download PDF

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Publication number
EP2927624B1
EP2927624B1 EP15161076.3A EP15161076A EP2927624B1 EP 2927624 B1 EP2927624 B1 EP 2927624B1 EP 15161076 A EP15161076 A EP 15161076A EP 2927624 B1 EP2927624 B1 EP 2927624B1
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EP
European Patent Office
Prior art keywords
track
cooling
run
edge
track edge
Prior art date
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Application number
EP15161076.3A
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German (de)
English (en)
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EP2927624A2 (fr
EP2927624A3 (fr
Inventor
Peter Riedel
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Peter Riedel Patent UG Haftungsbeschraenkt
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Peter Riedel Patent UG Haftungsbeschraenkt
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Publication of EP2927624A2 publication Critical patent/EP2927624A2/fr
Publication of EP2927624A3 publication Critical patent/EP2927624A3/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C3/00—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow
    • F25C3/04—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow for sledging or ski trails; Producing artificial snow
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/10—Ice-skating or roller-skating rinks; Slopes or trails for skiing, ski-jumping or tobogganing
    • 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
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/10—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds for artificial surfaces for outdoor or indoor practice of snow or ice sports
    • E01C13/12—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds for artificial surfaces for outdoor or indoor practice of snow or ice sports for snow sports, e.g. skiing or ski tow track
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C2201/00—Use of skates, skis, roller-skates, snowboards and courts
    • A63C2201/04—Ski jumping

Definitions

  • the invention relates to an inrun track cooling system for a ski jump.
  • start-track cooling systems for ski jumping sport.
  • the different variants take account of the fact that the climatic conditions change, so that the temperatures are often too warm and fluctuating even in the winter months in order to allow the formation and / or maintenance of a stable inrun track.
  • flying hills are often used only for competitions and are therefore sometimes only a few days in the year in use.
  • a mobile run-track cooling system is desirable that will only be assembled for the required period of use.
  • the inrun track of a ski jump has two single tracks with two track edges each.
  • a run-track cooling system which is suitable for cooling the run-up track of a ski jumping hill which extends along a start-up direction has, for example, floor cooling ducts which are fixed on cross members.
  • a plurality of juxtaposed floor cooling ducts for guiding a liquid cooling medium is arranged running along the start-up direction and, viewed transversely to the start-up direction, in a common bottom cooling duct plane. They are arranged freely accessible at the top, ie the floor cooling pipes are exposed and are not covered by other components.
  • a plurality along the start-up direction of spaced-apart cross member each extending transversely to the start-up direction, wherein the cross member for mounting the run-track cooling system on the substructure of a ski jump are suitable. From the DE102008017126A1 and the EP128399A1 In each case, such a run-track cooling systems are known. To generate a layer of ice on the run-track cooling system, the cold floor cooling ducts arranged on the cross members are sprayed with water which quickly freezes on the floor cooling ducts. In this way, an ice sheet can be successively formed become. If the ice layer has reached a sufficient thickness, then the two individual tracks can be milled. In this way, the ice run-up track is formed.
  • the ice surface of this ice run-up track is spaced at different distances from the floor cooling ducts. Since ice is a comparatively poor conductor of heat, despite the high cooling capacity in the floor cooling ducts there is a risk that the ice surface melts at least in the sections further away from the floor cooling ducts, for example in strong sunlight, while other areas of the ice run-up track remain frozen.
  • a disadvantage of the known inrun tracking system is therefore in particular that the track edges of the Eisanlaufspur can become structurally unstable in use. As a result, it is not possible to ensure consistent conditions for the competitors during a competition over the duration of the competition.
  • the EP1479986A1 shows a run-track system with cooling lines, which are arranged in a box-shaped upwardly open U-shaped profile with a profile bottom and profile side walls.
  • the profile side walls act as track edge cooling elements, which are arranged to form the track edges of the inrun track adjacent to the floor cooling ducts and respectively protrude upwardly from the floor cooling duct plane and extend in each case parallel to the contact direction.
  • the object of the present invention is therefore to provide a run-up track cooling system for a ski jumping hill which has structurally more stable track edges in the individual tracks during use of the ice run track in a competition.
  • the track edge cooling elements are arranged structurally separated from one another and that the track edge cooling elements are formed from a metallic material in the form of a sheet having a heat conduction coefficient of more than 10 W / m ° K.
  • a structural design is realized which has an approximately constant small distance between the ice surface and in particular the ice surface cooling components in the form of the floor cooling ducts and the track edge cooling elements. This achieves a more even cooling of the ice run-up track.
  • Another advantage of this run-track cooling system is that it can be easily formed as a mobile system. It can therefore be dismantled with reasonable effort if necessary for a competition event and then dismantled again.
  • a metallic material having such a heat conduction coefficient for the track edge cooling elements together with the floor cooling pipes ensures sufficient cooling of the run-up track along its entire surface.
  • the heat conduction coefficient can be determined analogously to DIN 22007 if necessary.
  • DIN 22007-1 to -4 describe in each case methods for measuring the thermal conductivity of polymeric plastics depending on the field of application or the measuring method. If necessary, the methods can be applied analogously to other materials and thermal conductivity coefficients.
  • the thermal conductivity is determined using a commercially available hot plate.
  • the track edge cooling elements preferably protrude more than two more preferably more than four inches above the bottom cooling line level upwards.
  • the ice layer of the inrun track is less than 3cm, more preferably about 2cm thick. That is, the distance of the inrun track surface, which must be kept at ambient temperatures above freezing and solar radiation to less than zero degrees, to the cooling performance in the ice layer bearing components is uniformly minimized considered in cross section of the run-track system.
  • the track edge cooling elements are formed from a material having a thermal conductivity coefficient of more than 50 W / m ° K, and preferably more than 100 W / m ° K.
  • a material having the above coefficients of thermal conductivity ensures sufficient transport of thermal energy between the track edge cooling elements and the surface of the run-up track.
  • a thermal conductivity of more than 10 W / m ° K have all metals and metal alloys.
  • the cooling element is therefore constructed of metallic materials. The highest thermal conductivity at comparatively manageable material and manufacturing costs offers aluminum.
  • the cooling element can be formed particularly economically as a one-piece aluminum L-profile. The use of steel, especially stainless steel, is economical.
  • the metallic materials are used in the form of a sheet.
  • the track edge cooling elements preferably have, viewed transversely with respect to the start-up direction, a mounting leg oriented parallel to the cross members and a track edge leg projecting upwards out of the floor cooling line plane.
  • This can be realized in the simplest case by an L-profile.
  • Other profile shapes such as T- or U-profiles are used, as far as a mounting leg and an outstanding from the floor cooling line level track edge-leg are always formed.
  • the parallel to the cross members oriented mounting leg is preferably connectable to the cross members.
  • cross member and oriented to the crossmember mounting legs are each secured by at least one screw to each other.
  • the mounting legs are Preferably arranged such that they point away from the floor cooling ducts and run on the mounting legs no floor cooling ducts.
  • track edge cooling lines are provided in addition to the floor cooling lines, which extend above the floor cooling line level at the track edge legs of the track edge cooling elements.
  • at least one holding element is arranged on the upstanding from the floor cooling line level track edge legs, which is suitable to hold a track edge cooling line.
  • the track edge legs are cooled by means of a cooling medium circulating through the track edge cooling lines.
  • the floor cooling ducts and track edge cooling ducts may be connected to each other so that a cooling medium can be conveyed through them and only one pump is required for conveying the cooling medium.
  • the track edge cooling lines are preferably connected by means of holding elements with the track edge legs.
  • the holding elements are each fastened with the track edge legs by means of screw connections and structurally designed such that a track edge cooling line can be fastened by means of insertion.
  • the track edge cooling lines and / or the floor cooling lines are preferably connected to one another in a meandering manner.
  • the track edge cooling lines and / or the floor cooling lines form a cooling line system, through which a cooling medium can be conveyed.
  • the track edge cooling lines may be arranged on the side of the track edge leg facing the associated individual track. Alternatively or additionally, they may be arranged on the side facing away from the associated single track side of the track edge leg.
  • cooling projections in the sense of the invention comprises any structure that protrudes from the track edge leg at least in sections into the single track. This is also a cooling line to understand which is parallel to the track edge leg on which it is mounted, as it represents a projection relative to the track edge leg.
  • the feature of cooling projections also includes a plurality of individual projections, which extend transversely to the start-up direction and in the direction of the associated individual track, and are suitable for cooling in sections the ice of the inrun track in the region of the track edge legs. For all embodiments of the cooling projections applies that thereby a particularly good structural mechanical anchoring of the inrun track edges forming ice layers is achieved at the inrun track system.
  • the cooling projections are formed starting from the track edge leg U-shaped.
  • the cooling projections may be arranged as a branch pipe sections branching from the track edge cooling lines. Alternatively, adjacent cooling projections merge into one another in meandering fashion.
  • the cooling projections are formed as line sections for the cooling medium of the run-track cooling system. That the cooling projections are part of a cooling pipe system.
  • the cooling projections, the track edge cooling pipes and the floor cooling pipes are connected to each other so that a cooling medium flows through them and they are all connected to a pump which circulates the cooling medium in operation.
  • the cooling projections are formed integrally with the associated track edge leg. This ensures a particularly good heat conduction between the track edge limbs and the cooling protrusions formed integrally therefrom. In addition, this variant makes it possible to reduce the assembly time during assembly and disassembly of the run-track cooling system.
  • the cooling projections are metal portions of the track edge leg bent out of the plane of extent of the track edge leg.
  • sliding elements are arranged at end portions of the cooling projections, which are maximally spaced from the track edge legs.
  • a material for the sliding elements is in particular a ceramic or a plastic. Of the ceramic materials in particular porcelain has advantageous properties.
  • the skids have skid characteristics similar to those of ice. This ensures that even with incomplete icing of the cooling projections at the end portions users of the ice run-up track excellent sliding properties are provided.
  • the sliding elements are preferably dimensioned such that they can be fastened by simply plugging on the cooling projections.
  • a track edge sliding element made of plastic or ceramic is arranged in the upper region above the track edge leg.
  • the track edge sliding extend parallel to the direction of entry and form in the single track, the sliding edges on which slide off the edges of the skis of a jumper.
  • the track edge sliding elements are arranged in the direction of the bottom cooling line plane with a slight undercut.
  • the track-edge sliding elements have sliding properties for the edges of skis that are comparable to those of ice. Therefore, formation of ice on the track edge slide members is not required.
  • the run-track cooling is designed to form ice on the bottom of the trained and cooled by the run-track cooling single track and not at the track edges.
  • the track edge sliding element is preferably designed such that it can be plugged onto the respective track edge cooling element, preferably the respective track edge leg.
  • the track edge sliding elements are preferably each dimensioned so that they extend in the single track when using the run-track cooling in the direction of the mounting leg so that they are at least partially below the ice, which is formed on the bottom of the single track.
  • the U-shaped cooling projections are each formed from a tube into which a partition wall is introduced, so that on one side of the partition a cooling line leg and on the other side of the partition another cooling line legs are formed, which are connected to each other via a cooling line middle part.
  • the cooling line center portions form the end portions of the cooling projections, which are maximally spaced from the track edge legs. In this way, the cooling projections are easy to manufacture and easy to install.
  • the cooling projections are connected by manifold cooling tubes, which are parallel to the direction of entry.
  • the cooling projections and / or the floor cooling ducts form a cooling line system, through which a cooling medium can be conveyed, so that only one pump is necessary for operating the inrun cooling system.
  • FIG. 1 shows a schematic cross-sectional view of a run-in track with a first embodiment of the run-track cooling system.
  • the inrun track has two individual tracks 2 and 4. These run perpendicular to the cutting plane along a starting direction not shown in this presentation A.
  • the run-track cooling system is only partially shown in the single track 2, while the single track 4, the fully built-in run-track cooling system is shown. In reality, both individual tracks 2 and 4 are each equipped with the complete run-track cooling system.
  • the run-up track cooling system has a rectilinear cross member 14 extending in the cross-sectional plane with bottom cooling ducts 16 fixed thereto.
  • the floor cooling ducts 16 are freely accessible in a common bottom cooling duct level and upwards in the single lane 4.
  • the floor cooling pipes 16 are attached to the cross member 14 by means of holding elements 12, for example by inserting.
  • the cross members 14 are suitable for mounting the run-track cooling system on a substructure U of a ski jump.
  • the run-track cooling system further comprises two track edge cooling elements 6. These track edge cooling elements 6 extend substantially perpendicularly from the cross members 14 upwards.
  • the track edge cooling elements 6 each have a track edge leg 8, which also extends from the bottom cooling line level upwards away.
  • At each track edge leg 8 of the single track 4 track edge cooling lines 10 are arranged, which in this embodiment at the Single track 4 facing side of the track edge leg 8 are arranged and through which flows during operation of the Anlaufspurkühlsystems a cooling medium.
  • the cooling lines 10 are fastened by means of holding elements 12 to the track edge legs 8.
  • the track edge legs 8 are attached to the cross member 14.
  • the single track 2 is shown for the sake of clarity only with its two track edge legs 8, which are plugged onto the cross member 14, wherein the floor cooling ducts 16, the track edge cooling lines 10 and the retaining elements 12 are not shown.
  • the track edge cooling elements 6 are arranged structurally separated from each other adjacent to the floor cooling pipes 16 and therefore form mutually independent assemblies which can be assembled and disassembled individually. They each protrude upwards from the floor cooling line level.
  • start-track cooling system 2 and 4 water is applied to the run-track cooling system, for example in the form of a spray, which freezes during operation of the Anlaufspurkühlsystems ie when conveying a cooling medium through the track edge cooling lines 10 and the floor cooling ducts 16 on these lines.
  • start-track cooling system 2 and 4 water is applied to the run-track cooling system, for example in the form of a spray, which freezes during operation of the Anlaufspurkühlsystems ie when conveying a cooling medium through the track edge cooling lines 10 and the floor cooling ducts 16 on these lines.
  • the two individual tracks 2 and 4 can then be milled into these ice sheets, so that a natural ice track is formed in the form of ice-covered U-shaped individual tracks 2 and 4.
  • the floor cooling ducts 16 are covered with ice and on the track edge cooling elements 6 track edges are formed of ice.
  • FIG. 2 shows a partial perspective view of in Fig. 1 shown inrun track.
  • the track edge cooling lines 10 and the bottom cooling ducts 16 extend along the approach direction A.
  • the cross members 14 are arranged at a predetermined distance parallel to each other and extend transversely to the direction of entry A.
  • Each of the cross member 14 is provided with four track edge legs 8, which are used to form the Individual tracks 2 and 4 in a predetermined Distance from each other are arranged.
  • the track edge legs 8 have dimensions and plug-in devices, so that they can be plugged or otherwise fixed to the cross member 14. Between mutually parallel track edge legs 8, which are arranged on adjacent cross members 14, a predetermined distance is formed.
  • the track edge legs 8 have perpendicular to the direction of entry a U-shaped profile, which allows easy attachment to the cross member 14.
  • a holding element 12 is arranged, in each of which the track edge cooling lines 10 are inserted, as shown in relation to the single track 4.
  • both the middle parts 18 and the cross members 14 each have at least one recess 20 which is suitable for receiving a plug-in element (not shown) of the respective retaining element 12.
  • the cross member 14 are each also also U-shaped. Middle parts 22 of the cross member 14, each connecting the two ends of the U-shape, are aligned with the individual tracks 2 and 4 respectively. Due to their design, the cross member 14 can be easily mounted on a substructure (not shown) of a ski jumping system.
  • FIG. 3 shows a schematic cross-sectional view of a run-in track with a second embodiment of the run-track cooling system.
  • the inrun track has two individual tracks 32 and 34.
  • the run-track cooling system is shown only partially, while the single track 34 is equipped with a complete run-track cooling system. In reality, both individual tracks 32 and 34 are each equipped with the complete run-track cooling system.
  • the run-track cooling system has at each of the outer track edges an outer track edge leg 38 as the outer boundary of the individual tracks 32 and 34 and between the two individual tracks a common track track 37 for both individual tracks 32 and 34.
  • the run-track cooling system arranged on the single track 34 has a track edge cooling element 36 on its outer track edge.
  • the track edge cooling element 36 has the outer track edge leg 38, on which track edge cooling ducts 10 are arranged, which are oriented into the single track 34 and through which a cooling medium flows during operation of the run-track cooling system.
  • the track edge cooling lines 10 are secured by means of retaining elements 12 on the outer track edge leg 38.
  • the common track edge limb 37 delimiting both individual tracks 32 and 34 is part of a track edge cooling element 46, which furthermore has retaining elements 12 and track edge cooling lines 10.
  • the track edge cooling element 46 separates the individual tracks 32 and 34 from each other.
  • the run-track cooling system has a cross member 14 on which the track edge cooling elements 36 and 46 are arranged. On the cross member 14 floor cooling ducts 16 are arranged by means of retaining elements 12.
  • the track edge legs 38 and 37 in turn extend upwardly as structurally independent components from the bottom cooling duct plane. They have in the direction of the individual tracks 32 and 34 each have a surface which is arranged at an angle to the cross member 14, which is greater than 90 °.
  • a holding element 12 together with track edge cooling lines 10 of the track edge cooling element 46 is oriented in the direction of the single track 34.
  • a holding element 12 together with track edge cooling lines 10 of the track edge cooling element 46 is arranged parallel to the cross member 14 and suitable to actively cool areas between the individual tracks 32 and 34.
  • FIG. 4 shows a partial perspective view of in Fig. 3 shown inrun track.
  • Fig. 4 corresponds to the structure of the start-up track cooling system shown in Fig. 2 shown structure with the difference that the track edge cooling elements 36 and 46 as in Fig. 3 shown and not like in Fig. 1 are shown formed.
  • the outer track edge legs 38 and the common inner track edge leg 37 can be formed as a simple and inexpensive sheet metal elements having fixing means to fix them to the crossbars releasably.
  • FIG. 5 shows a schematic cross-sectional view of a run-in track with a third embodiment of the run-track cooling system.
  • inrun track has two individual tracks 52 and 54 on.
  • the inrun track cooling system corresponds to the in Fig. 1 shown run-track cooling system with the difference that the track edge cooling elements 56 and 66 are formed differently from those in Fig. 1
  • the track edge cooling elements 56 have track edge legs 58, which are arranged perpendicular to the cross member 14.
  • a holding element 12 is arranged in each case, are inserted into the track edge cooling lines 10.
  • Each track edge leg 58 is integrally formed with a parallel to the cross member 14 extending mounting leg 57 which is fixed to the cross member 14 by means of a screw or plug connection (not shown).
  • Mounting leg 57 and track edge-leg 58 form an L-shape, with the mounted on the cross member 14 mounting legs 57 each extending away from the bottom cooling ducts 16.
  • the single track 52 is formed by means of track edge cooling elements 66 which correspond to the track edge cooling elements 56, except that each track edge cooling element 66 is additionally provided with a track edge slider 59 on the side of the track edge legs 58 which are separate from the track edge cooling elements 66 Holding elements 12 together with the cooling pipe 10 is turned away.
  • the track edge slider 59 is disposed on the track edge leg 58 by a connector (not shown).
  • the track edge leg 58 has a recess (not shown) in which a projection (not shown) of the track edge sliding member 59 is inserted.
  • FIG. 6 shows a partial perspective view of in Fig. 5 shown inrun track.
  • Fig. 6 corresponds to the structure of the start-up track cooling system shown in Fig. 2 shown structure with the difference that the track edge cooling elements 56 and 66 as in Fig. 5 shown and not like in Fig. 1 are shown formed.
  • the track edge legs 58 are each disposed adjacent to each other so as to form a wall along the start-up direction A, each track edge leg 58 being disposed on a cross member 14.
  • the arrangement of the track edge legs 58 in the form of a wall supports the formation of the ice during operation of the run-track cooling system in a defined area, because the individual tracks 52 and 54 are bounded by the wall-shaped track edge legs 58.
  • FIG. 7 shows a schematic cross-sectional view of a run-in track with a fourth embodiment of the inventive run-track cooling system.
  • inrun track has two individual tracks 72 and 74.
  • the inrun track cooling system is the same as in Fig. 1 shown run-track cooling system with the difference that the track edge cooling elements 76 and 86 are formed differently from those in Fig. 1
  • the track edge cooling element 76 has the track edge leg 58 with integrally formed mounting leg 57, as described with respect to Fig. 5 is described.
  • recess of the track edge leg 58 is an opening (not shown).
  • a track edge cooling line in the form of a U-shaped cooling projection 70 is arranged from a pipe section through which a cooling medium flows in operation of the run-track cooling system and which extends from the track edge cooling element 58 into the single track 74.
  • a sliding element 79 is arranged at a maximum distance from the track edge leg 58, which is attached to an end section of the cooling projection 70.
  • the track edge cooling element 86 corresponds to the track edge cooling element 76, with the difference that it does not have the track edge leg 58 with an integrally formed mounting leg 57 but has a track edge leg 78.
  • the track edge leg 78 has an opening (not shown) through which the cooling projection 70 is made.
  • the cooling projection 70 and the track edge legs 58 and / or 78 may also be integrally formed, wherein the cooling projection 70 is then not even flowed through by a cooling medium.
  • the integrally formed cooling projection 70 is then cooled over the cooled track edge leg 58.
  • the track edge leg 78 is attached to the cross member 14.
  • FIG. 8 shows a partial plan view of the in Fig. 7 shown inrun track.
  • the cross member 14 has holes 81, by means of which it is connected to a substructure U a ski jumping facility can be mounted.
  • the cooling projections 70 are U-shaped, so that a cooling line middle part 83, which connects two cooling line legs 84, is laterally projecting into the individual tracks 72 and 74.
  • the cooling line legs 84 are connected to a central manifold cooling tube (not shown) so that they are flowed through by a cooling medium during operation. These manifold cooling tubes extend along the approach direction A.
  • the track edge legs 78 and 58 each extend along the input direction A and transverse to the cross members 14 upwards out of the bottom cooling line level.
  • FIG. 9 shows a partial perspective view of in Fig. 7 shown inrun track.
  • the track edge legs 78 are arranged in two rows so as to form two walls for defining the single track 72.
  • the track edge legs 58 are arranged in two rows so that they form two walls for defining the single track 74.
  • the track edge legs 58 and 78 are each arranged adjacent, so that in each case a track edge legs 58 and 78 of each row is arranged on a cross member 14.
  • the track edge legs 58 and 78, each forming a wall for a track edge of the individual tracks 72 and 74 may also be integrally formed.
  • the cooling projections 70 are connected to each other by means of parallel to the start-up direction A manifold manifold cooling tubes (not shown).
  • FIG. 10 shows a schematic cross-sectional view of a run-in track with a fifth embodiment of the run-track cooling system.
  • inrun track has two individual tracks 102 and 104.
  • the inrun track cooling system is the same as in Fig. 7 shown run-track cooling system with the difference that the cooling projections 100 of the track edge cooling elements 106 and 116 are formed differently than those in Fig. 7 shown cooling projections.
  • FIG. 11 shows a partial plan view of the in Fig. 10 shown inrun track.
  • the individual tracks 102 and 104 correspond to those in FIG Fig. 8 shown individual tracks 72nd and 74 except that each cooling projection 100 is compared to that in FIG Fig. 8
  • shown cooling projection 70 is also U-shaped, but the two cooling line legs 84 adjacent to each other and thus the cooling line middle portion 103 connecting the two cooling line legs 84 is formed in the direction of approach A much shorter.
  • This design can also be realized in that in a closed to the run-in track pipe section a partition is introduced, which does not extend to the closed end of the pipe section. In this way, on the one side of the partition wall of the one cooling line legs 84 and on the other side of the partition wall of the other cooling pipe legs 84 is formed.
  • FIG. 12 shows a partial perspective view of in Fig. 10 shown inrun track.
  • the individual tracks 102 and 104 correspond to those in FIG Fig. 9 shown individual tracks 72 and 74 with the difference that each cooling projection 100 compared to the in Fig. 8 Cooling projection 70 shown two less spaced cooling line leg 84 has.
  • the number of retaining elements 12, cooling pipe 10, floor cooling pipe 16 and cross members 16 is arbitrary.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
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Claims (13)

  1. Un système de refroidissement de voie d'élan pour refroidir une voie d'élan d'un tremplin de saut à ski prolongée le long d'une direction de démarrage (A), la voie d'élan comportant deux voies individuelles (2, 4, 32, 34, 52, 54, 72, 74, 102, 104), chacune ayant deux bords de piste, le système de refroidissement de voie d'élan comprenant:
    - une pluralité de conduits de fond de refroidissement (16) disposés l'un à côté de l'autre pour guider un agent de refroidissement liquide, s'étendant le long de la direction de démarrage (A) et étant disposés, vus transversalement par rapport à la direction de démarrage (A), dans un plan de conduits de fond de refroidissement commun, les conduits de fond de refroidissement (16) étant librement accessibles vers le haut,
    - une pluralité de traverses (14) espacées les unes des autres le long de la direction de démarrage (A), s'étendant transversalement par rapport à la direction de démarrage (A) respectivement et sur lesquelles les conduits de fond de refroidissement (16) sont fixés, dans lequel les traverses (14) sont appropriés pour monter le système de refroidissement de voie d'élan sur une sous-structure de tremplin de saut à ski,
    caractérisé par
    des éléments de refroidissement de bord de piste (6, 36, 46, 56, 66, 76, 86, 106, 116) qui sont disposés pour la formation des bords de piste de la voie d'élan entre les conduits de fond de refroidissement (16) et / ou adjacents aux conduits de fond de refroidissement (16),
    dans lequel les éléments de refroidissement de bord de piste (6, 36, 46, 56, 66, 76, 86, 106, 116) de chaque voie individuelle (2, 4, 32, 34, 52, 54, 72, 74, 102, 104) sont formés de manière séparée structurellement l'un de l'autre et chacun fait saillie vers le haut depuis le plan de conduits de fond de refroidissement et chacun s'étend parallèlement à la direction de démarrage (A) et est fabriqué dans un matériau sous forme de tôle ayant un coefficient de conduction thermique plus de 10 W / m ° K.
  2. Le système de refroidissement de voie d'élan selon la revendication 1, caractérisé en ce que les éléments de refroidissement de bord de piste (6, 36, 46, 56, 66, 76, 86, 106, 116) sont fabriqués dans un matériau ayant un coefficient de conduction thermique supérieur à 50 W / m ° K et de préférence supérieur à 100 W / m ° K.
  3. Le système de refroidissement de voie d'élan selon la revendication 1 ou 2, caractérisé en ce que les éléments de refroidissement de bord de piste (56, 66, 76, 106), vus transversalement à la direction démarrage (A), ont une branche de montage (57) orientée parallèlement aux traverses (14) et une branche de bord de piste (8, 58, 78) faisant saillie vers le haut depuis le plan de conduits de fond de refroidissement.
  4. Le système de refroidissement de voie d'élan selon la revendication 3, caractérisé en ce que des conduits de refroidissement de bord de piste (10, 70, 100) sont prévus à côté des conduits de fond de refroidissement (16) et s'étendent au-dessus du plan de conduits de fond de refroidissement au niveau des branches de bord de piste (8, 37, 38, 58, 78) des éléments de refroidissement de bord de piste (6, 36, 46, 56, 66, 76, 86, 106, 116).
  5. Le système de refroidissement de voie d'élan selon la revendication 3 ou 4, caractérisé en ce qu'au moins l'une des branches de bord de piste (8, 37, 38, 58, 78) comprend des saillies de refroidissement (10, 70, 100) s'étendant transversalement par rapport à la direction de démarrage (A) dans la direction de la voie individuelle associée (2, 4, 32, 34, 72, 74, 102, 104).
  6. Le système de refroidissement de voie d'élan selon la revendication 5, caractérisé en ce que les saillies de refroidissement (70, 100) sont en forme de U à partir des branches de bord de piste (58, 78).
  7. Le système de refroidissement de voie d'élan selon la revendication 6, caractérisé en ce que les saillies de refroidissement (70, 100) sont formées en tant que sections de conduit pour le fluide de refroidissement du système de refroidissement en piste.
  8. Le système de refroidissement de voie d'élan selon l'une quelconque des revendications 5 à 7, caractérisé en ce que les saillies de refroidissement sont formées d'une seule pièce avec la branche de bord de piste associée.
  9. Le système de refroidissement de voie d'élan selon l'une des revendications précédentes 5 à 8, caractérisé en ce que des éléments coulissants (79) sont disposés aux extrémités des saillies de refroidissement (70, 100) qui sont espacées de manière maximale par rapport aux branches de bord de piste (58, 78).
  10. Le système de refroidissement de voie d'élan selon l'une quelconque des revendications 3 à 8, caractérisé en ce qu'un élément coulissant de bord de piste (59) en matière plastique ou en céramique est disposé dans la zone supérieure située au-dessus de la branche de bord de piste (58).
  11. Le système de refroidissement de voie d'élan selon l'une quelconque des revendications 6 à 10, caractérisé en ce que les saillies de refroidissement en forme de U (100) sont chacune formées d'un tube dans lequel une cloison est insérée, de sorte que sur un côté de la cloison une branche de conduit de refroidissement et sur l'autre côté de la cloison une branche de conduit de refroidissement sont formées, qui sont reliées entre elles par une partie médiane de conduit de refroidissement.
  12. Le système de refroidissement de voie d'élan selon l'une des revendications 5 à 11, caractérisé en ce que les saillies de refroidissement (70, 100) sont reliées par des tubes de refroidissement de conduit collecteur qui sont parallèles à la direction de démarrage (A).
  13. Le système de refroidissement de voie d'élan selon l'une des revendications 1 à 12, caractérisé en ce que les conduits de refroidissement de bord de piste (10, 70, 100) et / ou les conduits de fond de refroidissement (16) sont reliés les uns aux autres de manière sinueuse.
EP15161076.3A 2014-03-27 2015-03-26 Système de refroidissement de piste d'élan pour tremplin de saut à ski Active EP2927624B1 (fr)

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CA2994124A1 (fr) 2017-06-09 2018-12-09 Dreamsbig, Llc Systeme de refroidissement par liquide destine a des surfaces exterieures

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EP1283399A1 (fr) * 2001-08-09 2003-02-12 Axima Refrigeration GmbH Dispositif et procédé pour appliquer une couche de glace sur un tremplin
DE10323250B4 (de) * 2003-05-22 2005-07-28 Angelika Riedel Anlaufspur für Skisprungschanzen
DE102008017126A1 (de) 2008-04-03 2009-10-08 Anlagenbau Haas Gmbh Skisprungschanze und Verfahren zur Erzeugung einer Anlaufspur

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EP2927624A3 (fr) 2015-10-28

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