CN217758178U - Interim conversion node of indoor ski field racetrack - Google Patents
Interim conversion node of indoor ski field racetrack Download PDFInfo
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- CN217758178U CN217758178U CN202221865318.2U CN202221865318U CN217758178U CN 217758178 U CN217758178 U CN 217758178U CN 202221865318 U CN202221865318 U CN 202221865318U CN 217758178 U CN217758178 U CN 217758178U
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Abstract
The utility model relates to the field of indoor ski field architectural design, in particular to a temporary conversion node of an indoor ski field track, which is arranged in the track, and the bottom of the temporary conversion node is fixed on the top of a reinforced concrete beam column or a section steel beam; the lower half part of the snow cover is embedded in the snow channel and is coated by a snow channel heat-insulating layer; a mounting gap is arranged between the upper half part and the snow road; a waterproof layer and a protective layer are sequentially arranged between the upper part of the snow way heat-insulating layer and the mounting gap; the section steel upright post of the conversion node is filled with foamed polyurethane; polyurethane waterproof paint is coated between the mounting gap and the protective layer and around the profile steel upright post, and is closed and crossed with the snow road steam barrier; a cover plate is covered above the temporary conversion node and is positioned below the snow layer of the snow road. The utility model provides a change the node temporarily and can realize the quick switching of structure during the match, can ensure again that the cold bridge of switching point department disappearance to guarantee the result of use of snow way during operation at ordinary times.
Description
Technical Field
The utility model relates to an indoor ski field architectural design field especially relates to an indoor ski field track temporary conversion node.
Background
The indoor ski field is a building which realizes skiing sports all the year round by artificial snow making and controlling indoor temperature and humidity environment, and keeps high comfort suitable for low temperature all the year round. With the help of the chance of winter olympic games, the construction of indoor ski fields is in a high-speed development stage. In the design of an indoor ski field, in order to ensure low indoor temperature and good snow quality, strict heat preservation and air tightness measures are required on the ground of the slideway, so that snow melting and freezing on the snow surface caused by a cold bridge are avoided. When the indoor ski field has the requirements of single-double-plate slope obstacle lifting, double-plate air skill and double-plate large-jump-table competition, a structure conversion node needs to be reserved on the slideway, the node not only needs to meet the load requirement of building the track, but also needs to ensure that a heat insulation system does not generate a cold bridge, the structure building requirement of the competition is met, and the influence on daily skiing use cannot be generated. However, at present, no indoor ski stadium capable of carrying out international events exists, and a related mature technical system is not formed. Therefore, there is a need in the art for a race track switching node for indoor ski fields that meets the requirements of the race and has tight thermal insulation and air tightness.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an indoor ski field track changes node temporarily to solve the aforementioned problem that exists among the prior art.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a temporary conversion node of an indoor ski field track is arranged in the track and comprises a section steel upright post and a flange, wherein the top of the section steel upright post is connected with the flange, and the bottom of the section steel upright post is fixed on the top of a reinforced concrete beam column or a section steel beam;
the lower half part of the temporary conversion node is embedded in the snow channel and is coated by a snow channel heat-insulating layer; a mounting gap is formed between the upper half part of the temporary conversion node and the snow track; a waterproof layer and a protective layer are sequentially arranged between the upper part of the snow way heat-insulating layer and the mounting gap; the foamed polyurethane is poured into the profile steel upright post; polyurethane waterproof paint is coated between the mounting gap and the protective layer and around the profile steel upright post to serve as a conversion steam-isolating layer, and the polyurethane waterproof paint and the snow road steam-isolating layer are closed and crossed; the temporary conversion node is covered with a cover plate, the periphery of the cover plate is limited on the snow channel refrigerant layer, and the cover plate is located below the snow channel snow layer.
Preferably, when the bottom of the profile steel stand column is fixed at the top of the reinforced concrete beam column, the bottom of the profile steel stand column is connected with the anchor plate, the anchor plate is provided with a plurality of anchor bars, and the anchor plate and the anchor bars are anchored into the reinforced concrete beam column downwards.
Preferably, when the bottom of the section steel upright post is fixed on the top of the section steel beam, polyurethane is sprayed on the periphery of the section steel beam, and a fireproof material is coated on the surface of the polyurethane.
Preferably, the polyurethane waterproof coating is a II-type single-component polyurethane waterproof coating, and the construction thickness is 1.5mm.
Preferably, the snow channel refrigerant layer is provided with a protruding structure for limiting and fixing the cover plate.
Preferably, the flange is equipped with a plurality of bolt holes and a central preformed hole that are used for fixed race track structure, the central preformed hole be used for to pour into foamed polyurethane in the shaped steel stand.
The beneficial effects of the utility model are that:
the utility model provides an indoor skiing ground track temporarily changes node, this temporarily change node provides the structure conversion structure scheme reliably for the indoor skiing ground that has the match requirement, can realize the quick switching of structure during the match, can ensure again that conversion point department does not appear the cold bridge to guarantee the result of use of snow track during operation at ordinary times.
Drawings
Fig. 1 is a schematic structural view of a temporary conversion node fixed on a reinforced concrete beam column in the embodiment of the present invention;
fig. 2 is a schematic structural view of a temporary transformation node fixed to a section steel beam according to an embodiment of the present invention;
fig. 3 is a schematic top view of a temporary conversion node according to an embodiment of the present invention;
in the figure: 11-structural layer, 12-first leveling layer, 13-steam barrier, 14-insulating layer, 15-second leveling layer, 16-waterproof layer, 17-protective layer, 18-refrigerant layer, 19-snow layer, 21-section steel upright post, 22-flange, 23-bolt hole, 24-central preformed hole, 25-foaming polyurethane, 26-installation gap, 27-conversion steam barrier, 28-cover plate, 29-bulge structure, 30-reinforced concrete beam column, 31-anchor plate, 32-anchor bar, 40-section steel beam, 41-section steel insulating layer and 42-fireproof material.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
As shown in fig. 1 or fig. 2, the utility model provides an indoor skiing field race track temporarily changes node, temporarily change the node setting in above-mentioned snow way, the snow way in conventional skiing field from interior to exterior includes structural layer 11, first screed-coat 12, vapour barrier 13, heat preservation 14, second screed-coat 15, waterproof layer 16, protective layer 17, refrigerant layer 18 and snow layer 19 in proper order. The method specifically comprises the following steps:
the structural layer 11 is a reinforced concrete bottom plate.
The thickness of the first leveling layer 12 is 20mm, and 1.
The thickness of the steam-insulating layer 13 is 1.5mm, and II type (single component) polyurethane waterproof paint is adopted.
The thickness of the heat-insulating layer 14 is 200mm, multilayer extruded polystyrene boards are spliced in a staggered mode, and a two-component polyurethane adhesive is used for bonding; the density of the heat-insulating layer is more than or equal to 40kg/m 3 The compressive strength is 500Kpa, and the heat conductivity coefficient is 0.030W/m.k.
The thickness of the second leveling layer 15 is 34mm, and fine stone concrete (a cold-drawn steel wire mesh with the inner diameter of 4mm and the distance of 200 mm) is adopted; the seam is divided into 3m multiplied by 3m, the width of the seam is 20mm, the depth is 15mm, and the seam is filled with weather-proof sealant.
The thickness of the waterproof layer 16 is 4mm, and a modified asphalt waterproof coiled material (sand with double faces) special for bridges is adopted.
The thickness of the protective layer 17 is 20mm, and 1.
The thickness of the refrigerant layer 18 is 125mm, C30 fine stone concrete is adopted, the flatness is +/-5 mm, and a freezing pipe is embedded (internally matched with HPB 300)
@200 double-layer bidirectional reinforcing mesh), a temperature sensor and a support; the concrete under the snow surface layer of the slope is provided with herringbone drainage channels with the thickness of 50mm multiplied by 35mm and the distance of 6m, and the main ditches of the drainage ditches at two sides of the slope are tamped and smeared with the concrete.
The thickness of the snow layer 19 is 395mm.
The temporary conversion node comprises a section steel upright post 21 and a flange 22, the snow field track is connected with the snow field main structure through the temporary conversion node, the temporary conversion node calculates according to track load and comprehensive mechanics, the type, the size and the thickness of the section steel upright post 21 and the flange 22 and the performance grade and the diameter of the connecting bolt are determined, and the structural stress is safe, reasonable and reliable in force transmission. The shaped steel stand 21 top with flange 22 direct weld, as shown in fig. 3, flange 22 adopts the thick steel apron of 40mm, is equipped with a plurality of bolt holes 23 and a central preformed hole 24 that are used for fixed racetrack structure, central preformed hole 24 is the insulation material mounting hole, be used for to pour insulation material in the shaped steel stand 21, insulation material in the shaped steel stand 21 is foaming polyurethane 25.
The lower half part of the temporary conversion node is buried in the snow channel and is coated by a snow channel heat-insulating layer 14; an installation gap 26 is arranged between the upper half part of the temporary conversion node and the snow channel; this installation clearance 26's space size (how much the exposed of interim conversion node the first half promptly) can set up the size scope according to actual need, the utility model discloses a get rid of refrigerant layer 18, the second screed-coat 15 of interim conversion node snow channel on every side, the thickness that reduces snow channel heat preservation 14 realizes, has both guaranteed the thermal insulation performance and the gas tightness of interim conversion node, leaves the installation clearance 26 of sufficient size again. In order to further ensure the heat insulation performance of the joint, polyurethane waterproof paint is coated between the mounting gap 26 and the protective layer 17 and around the profile steel upright post 21 to serve as a conversion steam-insulating layer 27, is type II (single component) polyurethane waterproof paint, has the construction thickness of 1.5mm, and is closed and crossed with the snow road steam-insulating layer 13. A cover plate 28 covers the temporary conversion node, a protruding structure 29 used for limiting and fixing the cover plate is arranged on the snow channel refrigerant layer 18, and the periphery of the cover plate 28 is limited on the protruding structure 29 of the snow channel refrigerant layer 18 and is located below the snow channel snow layer 19. The mounting gap 26 can facilitate the disassembly and assembly of the conversion node and the track structure, so that the cover plate 28 is opened to mount the track structure on the flange 22 when a match is required; when no competition is needed, the track structure is disassembled, the cover plate 28 is covered, and the conversion node is hidden under the snow layer 19, so that the using effect of the snow track during the operation at ordinary times is not influenced.
The bottom of the temporary conversion node can be fixedly arranged at the top of the reinforced concrete beam column 30 or the bottom of the section steel beam 40 according to actual conditions.
As shown in fig. 1, in this embodiment, the bottom of the section steel upright 21 is fixed to the top of the reinforced concrete beam-column 30 through an embedded part, the snow path structure layer 11 is integrally connected to the reinforced concrete beam-column 30, the embedded part is an anchor plate 31 with a thickness of 30mm and is provided with a plurality of anchor bars 32, and the anchor plate 31 and the anchor bars 32 are anchored downward in the reinforced concrete beam-column 30.
As shown in fig. 2, in this embodiment, the bottom of the section steel upright 21 passes through the snow way structure layer 11 and is directly welded on the top of the section steel beam 40, polyurethane is sprayed on the periphery of the section steel beam 40 to serve as a section steel heat insulation layer 41, and a fireproof material 42 with a fire endurance of 2.0h is coated on the surface of the polyurethane.
Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect:
the utility model provides an indoor ski field racetrack temporary conversion node, this temporary conversion node provide structure conversion structure scheme reliably for the indoor ski field that has the match requirement, can realize the quick switching of structure during the match, can ensure again that conversion point department does not appear the cold bridge to guarantee the result of use of snow way during the operation at ordinary times.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (6)
1. The temporary conversion node is characterized by being arranged in a snow track and comprising a section steel upright post and a flange, wherein the top of the section steel upright post is connected with the flange, and the bottom of the section steel upright post is fixed on the top of a reinforced concrete beam column or a section steel beam;
the lower half part of the temporary conversion node is embedded in the snow channel and is coated by a snow channel heat-insulating layer; an installation gap is formed between the upper half part of the temporary conversion node and the snow channel; a waterproof layer and a protective layer are sequentially arranged between the upper part of the snow way heat-insulating layer and the mounting gap; the foamed polyurethane is poured into the profile steel upright post; polyurethane waterproof paint is coated between the mounting gap and the protective layer and around the profile steel upright post to serve as a conversion steam-isolating layer, and the polyurethane waterproof paint and the snow road steam-isolating layer are closed and crossed; the temporary conversion node is covered with a cover plate, the periphery of the cover plate is limited on the snow channel refrigerant layer, and the cover plate is located below the snow channel snow layer.
2. The indoor ski field racetrack temporary conversion node as defined in claim 1, wherein when the bottom of the section steel upright is fixed on the top of the reinforced concrete beam column, the bottom of the section steel upright is connected with an anchor plate, the anchor plate is provided with a plurality of anchor bars, and the anchor plate and the anchor bars are anchored downwards into the reinforced concrete beam column.
3. The temporary transfer node of an indoor ski field track as claimed in claim 1, wherein when the bottom of the section steel post is fixed on the top of the section steel beam, polyurethane is sprayed on the outer circumference of the section steel beam and a fireproof material is coated on the surface of the polyurethane.
4. The indoor ski field racetrack temporary conversion node as defined in claim 1, wherein the polyurethane waterproof coating is a type II one-component polyurethane waterproof coating, and the construction thickness is 1.5mm.
5. The temporary conversion node of a ski field racetrack as in claim 1, wherein a raised structure for limiting and fixing the cover plate is arranged on the coolant layer of the ski field.
6. The temporary transfer node of a ski field racetrack as in claim 1, wherein the flange is provided with a plurality of bolt holes for fixing the racetrack structure and a central preformed hole for pouring foamed polyurethane into the profile steel upright.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221865318.2U CN217758178U (en) | 2022-07-19 | 2022-07-19 | Interim conversion node of indoor ski field racetrack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221865318.2U CN217758178U (en) | 2022-07-19 | 2022-07-19 | Interim conversion node of indoor ski field racetrack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217758178U true CN217758178U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221865318.2U Active CN217758178U (en) | 2022-07-19 | 2022-07-19 | Interim conversion node of indoor ski field racetrack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217758178U (en) |
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2022
- 2022-07-19 CN CN202221865318.2U patent/CN217758178U/en active Active
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