Ski jump having granular dry ski landing slope

Abstract

The present application relates to the technical field of artificial skiing sports facilities, and in particular to a ski jump having a granular dry ski landing slope, comprising a landing slope and a dry ski granule lifting device. The landing slope comprises a slope body, and an underlying support structure, a waterproof plate, a ski mat and dry ski granules are sequentially laid on the slope surface of the slope body; the slope body comprises a knuckle located at the top of the slope, a platform zone, and a landing zone; the angle of repose of the dry ski granules is designed to match the slope gradient of the landing zone, with the same gradient of 20-40 degrees; a granule drain plate is provided at the root of the slope body, is used for granule recovery, and is always covered by the dry ski granules; and the dry ski granule lifting device is configured to lift the dry ski granules that have rolled down to the root of the landing slope to the platform zone at the top of the landing slope, thereby enabling recycling of the dry ski granules. The present application provides safe skiing conditions for jumpers while facilitating the completion of a complete "ski jumping" maneuver by the jumpers.

Description

Grainy dry snow landing slope ski jump Technical Field

[0001] This application relates to the field of artificial skiing equipment technology, and in particular to a granular dry snow landing slope ski jump. Background Technology

[0002] In skiing, the leap involves using a ski jump to ascend into the air, performing aerial stunts, then returning to the landing slope for a safe landing and slowing down to the finish line. A ski jump consists of a starting platform, an acceleration run, a takeoff ramp, a landing slope, and a deceleration stopping area. Skiers, wearing skis, rely solely on their physical abilities to descend from the starting platform, gain speed on the acceleration run, take off from the takeoff ramp, perform aerial stunts, return to the landing slope, land safely, and finally slow down to the finish line.

[0003] Skiing is a dangerous, expensive sport with a short snow season, inconvenient transportation, and low training efficiency. To improve the environment for skiing, artificial snow made of plastic has been created, called "dry skiing." Ski jumps are divided into two types: real snow jumps and dry ski jumps. Real snow jumps are only usable for 120 days a year in winter, while spring, summer, and autumn are warm and snowless. The landing slope of a real snow jump is an icy landing slope with no cushioning or shock absorption, making it very dangerous and prone to accidents. Existing dry ski jumps are inflatable water slides. Water slides only allow you to glide, not to actually ski: you can't maintain your balance, choose a skiing route, control your direction, control your speed, practice landings, or practice skiing and slowing down to the finish line. Furthermore, inflatable water slides leave you completely soaked, making them only usable for the 120 days of summer, while the damp and cold conditions of autumn, winter, and spring make training impossible. In addition, the damp and moldy environment in which skiers operate is detrimental to their health. Summary of the Invention

[0004] To enable skiers to practice ski jumps year-round, this application provides a granular dry snow landing slope ski jump.

[0005] The technical solution for a particle-based dry snow landing slope ski jump provided in this application is as follows:

[0006] A type of dry-landing slope ski jump for granular snow includes:

[0007] The landing slope includes a slope body, a bottom support structure, a waterproof liner, a ski carpet, and granular dry snow laid sequentially on the slope surface. The slope body includes a slope inflection point (knuckle) at the top, a platform area on the side of the inflection point (knuckle) towards the takeoff ramp, and a landing area on the side of the inflection point (knuckle) towards the deceleration ramp. The angle of accumulation of the granular dry snow is designed to match the slope of the landing area, with a slope of 20 to 40 degrees. A granular perforator is provided at the base of the slope body, and the granular perforator is covered by the granular dry snow.

[0008] The particle dry snow lifting device is used to lift the particle dry snow that has rolled to the bottom of the particle sluice plate to the knuckle point of the slope, so that the particle dry snow can roll down automatically and restore the landing area according to the particle accumulation angle.

[0009] By adopting the above technical solution, regardless of the jumper's landing posture, the pumice landing slope can provide comprehensive safety protection. The pumice's angle of accumulation is designed to match the slope of the landing area. When the jumper lands, a local slope may be damaged, but the pumice above the damaged slope rolls down and automatically fills the damaged area. The slope of the pumice's angle of accumulation repairs the landing slope. At the same time, the pumice lifting device lifts the pumice that has rolled to the bottom of the pumice sprue to the knuckle point on the slope for replenishment. The pumice landing slope provides gliding support for the jumper, thus facilitating the jumper to complete the entire "ski jump" maneuver. The pumice jump is not restricted by season and can be used all year round.

[0010] Optionally, the particle dry snow lifting device is buried at the bottom of the slope of the landing area. One end of the particle dry snow lifting device is located below the particle sprue, and the other end extends to the slope inflection point knuckle, which is used to collect the particle dry snow that leaks from the particle sprue and transport it to the platform area and the slope of the landing area.

[0011] By adopting the above technical solutions, the particle dry snow lifting device has good concealment and will not interfere with skiers, referees, coaches and spectators. At the same time, the concealed mechanical facilities will not pose a safety hazard to the jumpers.

[0012] Optionally, the discharge port of the pellet dry snow lifting device is vertically upward so that the pellet dry snow overflows in a fountain-like manner.

[0013] By adopting the above technical solution, the particles of dry snow overflow in the form of a spring, and then the particles automatically roll down along the landing slope to replenish and repair the damaged slope surface. The landing slope surface is automatically repaired according to the particle accumulation angle, and the accumulation angle is consistent with the landing slope.

[0014] Optionally, the pellet dry snow lifting device includes a first collection box, a first conveying mechanism, a second collection box, and a second conveying mechanism; the first collection box is located below the pellet sluice plate, the second collection box is close to the slope inflection point knuckle, the input end of the first conveying mechanism is connected to the first collection box, and the output end is located at the upper position and is used to convey pellet dry snow to the second collection box; the input end of the second conveying mechanism is connected to the second collection box, and the output end extends to the slope inflection point knuckle.

[0015] By adopting the above technical solutions, the particle landing slope provides comprehensive safety protection for the jumper and provides all the technical support needed for the jumper's skis to glide.

[0016] Optionally, the second conveying mechanism is a pellet screw conveyor, and is arranged vertically.

[0017] By adopting the above technical solution, the intermittent conveying characteristics of the pellet screw conveyor can ensure the recycling of pellet dry snow, reduce manual intervention, and improve the automation level of the entire pellet dry snow lifting device.

[0018] Optionally, the second storage box is located above the first storage box, and the first conveying mechanism is a particle screw conveyor with the conveying direction inclined upward.

[0019] By adopting the above technical solution, not only is the recycling efficiency improved, but the overall space occupied by the particle recycling and lifting device can also be reduced, thus reducing the space requirement.

[0020] Optionally, the tilt angle of the first conveying mechanism is consistent with the slope of the landing area.

[0021] By adopting the above technical solutions, friction and resistance during the transportation process are reduced, thereby lowering energy consumption and improving transportation efficiency. At the same time, it also helps to reduce particle breakage during transportation, maintaining the integrity of the dry snow particles.

[0022] Optionally, the thickness of the particulate dry snow in the landing area is 20–100 cm.

[0023] By adopting the above technical solutions, the thickness of the accumulated dry snow particles can be increased to ensure safety when attempting new or difficult maneuvers.

[0024] Optionally, an acceleration ramp and a take-off platform are provided in front of the landing slope, and both the acceleration ramp and the take-off platform are covered with dry skiing snow.

[0025] By adopting the above technical solution, the skier accelerates on the acceleration slide, and the take-off platform has a take-off angle. Skiers with sufficient speed can take off and perform aerial stunts.

[0026] Optionally, a deceleration platform is provided after the landing slope, and the deceleration platform is covered with granular dry snow.

[0027] By adopting the above technical solutions, the gliding conditions of the landing slope and the deceleration platform are made the same, ensuring that the skier decelerates smoothly.

[0028] Optionally, the thickness of the accumulated dry snow particles on the deceleration platform is 5 to 10 cm.

[0029] By adopting the above technical solution, a suitable deceleration buffer zone is provided to ensure that the flyer can safely decelerate when ending the glide.

[0030] In summary, this application includes at least one of the following beneficial technical effects:

[0031] 1. The angle of accumulation of the dry snow particles is the same as the slope of the landing area. When the flyer lands, it will damage the landing slope to a certain extent. Then the dry snow particles above the damaged area will automatically roll off and automatically repair the damaged slope according to the pre-set angle of accumulation (i.e. the slope of the landing slope).

[0032] 2. Particle landing slopes can provide gliding support.

[0033] 3. Granular dry snow does not require water spraying to aid gliding and can be used in all seasons.

[0034] 4. Particle-based dry snow provides comprehensive safety protection for flyers when they land.

[0035] 5. The pellet dry snow lifting device is buried under the slope of the landing area, which is safe and concealed and will not interfere with skiers, referees, coaches and spectators. At the same time, the concealed mechanical facilities will not pose a danger to the above-mentioned personnel. Attached Figure Description

[0036] Figure 1 is a schematic diagram of the structure of the granular dry snow landing slope ski jump in Embodiment 1 of this application;

[0037] Figure 2 is a magnified view of a portion of Figure 1;

[0038] Figure 3 is an enlarged view of point A in Figure 2.

[0039] Explanation of reference numerals in the attached diagram: 1. Acceleration ramp; 2. Takeoff platform; 3. Landing slope; 31. Slope; 31a. Knuckle (slope inflection point); 31b. Platform area; 31c. Landing area; 32. Bottom support structure; 33. Waterproof membrane; 34. Ski mat; 35. Pellets; 4. Deceleration platform; 5. Pellets perforated plate; 6. Pellets lifting device; 61. First storage box; 62. First conveying mechanism; 63. Second storage box; 64. Second conveying mechanism. Detailed Implementation

[0040] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to Figures 1-3. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0041] This application discloses a pebble dry snow landing slope ski jump. Referring to Figure 1, the pebble dry snow landing slope ski jump (hereinafter referred to as the pebble jump) includes an acceleration track 1, a take-off platform 2, a landing slope 3, and a deceleration platform 4. A starting platform is located in front of the acceleration track 1, where skiers accelerate. The take-off platform 2 has a take-off angle, allowing skiers with sufficient speed to take off and fly through the air before landing precisely on the landing slope 3. The skiers then decelerate and glide to the finish line on the deceleration platform 4.

[0042] Both the acceleration ramp 1 and the jump ramp 2 are covered with dry skiing snow. The landing slope 3 and the deceleration ramp 4 are covered with coarse dry snow 35 to ensure that the skiing conditions on the landing slope 3 and the deceleration ramp 4 are the same. Dry skiing snow is used to pave the skiing slopes and cannot be used to pave the landing slope 3 of the ski jump, as it cannot provide safety protection for the lander. Coarse dry snow 35 is used to pave the landing slope 3 of the ski jump. However, coarse dry snow 35 is expensive and requires a lot of maintenance, so it is generally not used to pave the skiing slopes.

[0043] Referring to Figures 2 and 3, the landing slope 3 includes a slope body 31, a bottom support structure 32, a waterproof membrane 33, a ski carpet 34, and a pumice 35 laid sequentially on the slope surface of the slope body 31. The bottom support structure 32 is constructed of steel or other rigid materials to create a basic slope shape and provide stable support. The ski carpet 34 is approximately 15 mm thick. The slope body 31 includes a platform area 31b located at the slope inflection point knuckle 31a, a landing area 31c located at the slope inflection point knuckle 31a towards the takeoff platform 2, and a landing area 31c located at the slope inflection point knuckle 31a towards the speed bump 4. The thickness of the pumice 35 on the landing area 31c is 20–100 cm. The angle of accumulation of the pumice 35 is designed to match the slope of the landing area 31c, with a slope of 20–40 degrees.

[0044] The gradient of the dry snow pellets 35 in landing area 31c is 20–40 degrees, providing gliding support for the skier. In one embodiment, the gradient is 38 degrees, conforming to the FIS (International Ski Federation) standard for real snow landing slopes. The accumulation thickness of the dry snow pellets 35 in speed bump 4 is 5–10 cm, providing a suitable deceleration buffer area to ensure that skiers can safely slow down when finishing their run. This ensures that the dry snow pellets 35 have a certain degree of elasticity and cushioning capacity, reducing the impact that skiers may experience during deceleration, while also maintaining the continuity and control of the ski run, preventing skis from getting stuck or losing control due to excessively thick pellets.

[0045] When a lander successfully lands on landing slope 3, they will glide towards landing area 31c. If a landing attempt fails on landing slope 3, the lander will slam onto it, cushion the impact, and come to a stop. Every part of the lander's body will be cushioned and protected by the granular dry snow 35. Regardless of the landing posture, landing slope 3 provides comprehensive safety protection. When attempting new or difficult maneuvers, the thickness of the granular dry snow 35 can be increased to ensure safety.

[0046] When the flyer lands, it will damage the slope to some extent. After the flyer leaves the landing slope 3, the granular dry snow 35 above will roll off, automatically fill the collapse, and restore the slope of the landing slope 3 according to the angle of accumulation.

[0047] The dry snow landing ramp provided in this application requires no water spraying for gliding and can be used year-round. Especially in winter, this ramp completely eliminates the landing hazards of real snow ramps. This ramp can be built indoors or outdoors, and in both cold and tropical regions. It is unaffected by wind, sand, rain, snow, freezing temperatures, or direct sunlight. The ramp is guaranteed for 8 years after initial construction, has low energy consumption, is environmentally friendly, and requires simple maintenance.

[0048] Referring to Figure 2, a particle sluice plate 5 is provided at the base of the slope 31, and the particle sluice plate 5 is covered with particle dry snow 35. A particle dry snow lifting device 6 is buried at the bottom of the slope 31 in the landing area 31c. One end of the particle dry snow lifting device 6 is located below the particle sluice plate 5, and the other end extends to the slope inflection point knuckle 31a. It is used to collect the particle dry snow 35 that leaks from the particle sluice plate 5 and overflow it onto the slope surface of the platform area 31b and the landing area 31c.

[0049] Specifically, the pellet snow lifting device 6 includes a first collection box 61, a first conveying mechanism 62, a second collection box 63, and a second conveying mechanism 64. The first collection box 61 is located below the pellet grate 5. Pellet snow 35 pushed down the slope by the lander will pass through the pellet grate 5 and fall into the first collection box 61 below for recycling. The second collection box 63 is close to the slope inflection point knuckle 31a and is located above the first collection box 61. The input end of the first conveying mechanism 62 is located at the lower position and communicates with the first collection box 61, while the output end is located at the upper position and is used to convey the pellet snow 35 to the second collection box 63. The input end of the second conveying mechanism 64 is communicated with the second collection box 63, and the output end extends to the slope inflection point knuckle 31a.

[0050] The first collection box 61 collects the dry snow pellets 35 that fall from the pellet grate 5 and conveys them to the second collection box 63 via the first conveying mechanism 62. Finally, the second conveying mechanism 64 pushes the dry snow pellets 35 onto the landing slope 3 platform in a fountain-like manner, overflowing to replenish the dry snow pellets 35 in the platform area 31b and the landing area 31c. This not only improves the utilization efficiency of the dry snow pellets 35 and reduces resource waste, but also ensures the uniformity of the jump surface and the consistency of skiing conditions, thereby improving skier safety and the durability of the jump. The dry snow pellet lifting device 6 recovers and reuses the fallen dry snow pellets 35, ensuring the continuous maintenance and stability of the dry snow pellets 35 on the landing slope 3 surface.

[0051] In this embodiment, the first conveying mechanism 62 is a particle screw conveyor with an upward inclined conveying direction. This not only improves the recycling efficiency but also reduces the overall space occupied by the particle recycling and lifting device, thus reducing the space requirements and minimizing the impact of the particle recycling and lifting device installation on the slope 31. It also improves the stability of the slope 31's strength. Due to the intermittent conveying characteristics of the particle screw conveyor, it can ensure the continuous recycling and reuse of the particle dry snow 35, reducing manual intervention and improving the automation level of the entire particle dry snow lifting device 6.

[0052] The tilt angle of the first conveying mechanism 62 is consistent with the slope of the landing area 31c, that is, consistent with the angle of accumulation of the granular dry snow 35. This allows the granular dry snow 35 to move more smoothly during the conveying process, reducing friction and resistance, thereby reducing energy consumption and improving conveying efficiency. At the same time, it also helps to reduce breakage of the granules during the conveying process and maintain the integrity of the granular dry snow 35, which is crucial for maintaining the quality of the jump platform surface.

[0053] The second conveying mechanism 64 is a pellet screw conveyor, arranged vertically to allow the pellet dry snow 35 to overflow in a fountain-like manner, effectively replenishing the pellet dry snow 35 in the platform area 31b and landing area 31c, maintaining the continuity and consistency of the jump surface. Simultaneously, the vertical conveying method reduces friction and resistance during transport, lowers energy consumption, and improves conveying efficiency. Furthermore, the fountain-like overflow helps the pellet dry snow 35 naturally backfill and repair the landing slope 3 according to the angle of accumulation, reducing the interference of external thrust.

[0054] The second conveying mechanism 64 pushes the pellets in the second collection box 63 up the slope inflection point knuckle 31a in a gushing manner and overflows. The overflowing pellets split into two paths: one path replenishes the pellets around the takeoff platform 2, i.e., the platform area 31b; the other path rolls down along the landing area 31c, backfilling and repairing the landing slope 3 according to the pellet dry snow accumulation angle 35. The pellet dry snow lifting device 6 is buried under the landing slope 3, providing good concealment and making it difficult for skiers, referees, coaches, and spectators to notice, reducing visual interference for skiers, referees, coaches, and spectators, and ensuring the aesthetics and environmental adaptability of the jump; at the same time, the concealed mechanical facilities will not pose a safety hazard to skiers.

[0055] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0056] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0057] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A granular dry snow landing slope ski jump, characterized in that, include: The landing slope (3) includes a slope body (31), a bottom support structure (32), a waterproof membrane (33), a ski carpet (34), and a pumice dry snow (35) laid sequentially on the slope surface of the slope body (31). The slope body (31) includes a slope inflection point knuckle (31a) located at the top of the slope, a platform area (31b) on the side of the inflection point knuckle (31a) facing the take-off platform (2), and a landing area (31c) on the side of the inflection point knuckle (31a) facing the deceleration platform (4). The angle of accumulation of the pumice dry snow (35) is designed to match the slope of the landing area (31c) with the same slope, which is 20 to 40 degrees. A pumice perforator (5) is provided at the base of the slope body (31), and the pumice perforator (5) is covered by the pumice dry snow (35). The particle dry snow lifting device (6) is used to lift the particle dry snow (35) that has rolled to the bottom of the particle sluice plate (5) to the slope inflection point knuckle (31a), so that the particle dry snow (35) rolls down automatically and restores the landing area (31c) according to the particle accumulation angle.

2. The granular dry snow landing slope ski jump according to claim 1, characterized in that, The particle dry snow lifting device (6) is buried at the bottom of the slope (31) of the landing area (31c). One end of the particle dry snow lifting device (6) is located below the particle sprue (5), and the other end extends to the slope inflection point knuckle (31a). It is used to collect the particle dry snow (35) that leaks from the particle sprue (5) and overflow it to the slope of the platform area (31b) and the landing area (31c).

3. The granular dry snow landing slope ski jump according to claim 2, characterized in that, The discharge port of the particle dry snow lifting device (6) is vertically upward so that the particle dry snow (35) overflows in a spring-like manner.

4. The granular dry snow landing slope ski jump according to claim 1, characterized in that, The pellet dry snow lifting device (6) includes a first storage box (61), a first conveying mechanism (62), a second storage box (63), and a second conveying mechanism (64); the first storage box (61) is located below the pellet sieve (5), the second storage box (63) is close to the slope inflection point knuckle (31a), the input end of the first conveying mechanism (62) is connected to the first storage box (61), and the output end is located at the upper position and is used to convey pellet dry snow (35) to the second storage box (63); the input end of the second conveying mechanism (64) is connected to the second storage box (63), and the output end extends to the slope inflection point knuckle (31a).

5. The granular dry snow landing slope ski jump according to claim 4, characterized in that, The second conveying mechanism (64) is a particle screw conveyor and is arranged vertically.

6. The granular dry snow landing slope ski jump according to claim 5, characterized in that, The second storage box (63) is located above the first storage box (61), and the first conveying mechanism (62) is a particle screw conveyor with the conveying direction inclined upward.

7. The granular dry snow landing slope ski jump according to claim 6, characterized in that, The tilt angle of the first conveying mechanism (62) is consistent with the slope of the landing area (31c).

8. The granular dry snow landing slope ski jump according to claim 1, characterized in that, The thickness of particulate dry snow (35) in the landing area (31c) is 20–100 cm; and / or The landing slope (3) is provided with an acceleration slide (1) and a take-off platform (2), and the acceleration slide (1) and the take-off platform (2) are both covered with dry skiing snow.

9. The granular dry snow landing slope ski jump according to claim 1, characterized in that, A deceleration platform (4) is provided behind the landing slope (3), and the deceleration platform (4) is covered with granular dry snow (35).

10. The granular dry snow landing slope ski jump according to claim 9, characterized in that, The thickness of the particle dry snow (35) accumulated on the deceleration platform (4) is 5-10 cm.

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