CN214834124U - Flexible roofing system - Google Patents

Abstract

The utility model discloses a flexible roof system, including flexible roofing structure basic unit and flexible waterproof layer, flexible roofing structure basic unit is tiled by a plurality of mutually independent unit plate, every the below of unit plate all is equipped with an installed part at least, each the unit plate passes through respectively the installed part is connected with the cable net of individual layer main part, wherein, the movable clearance has all been formed between the arbitrary adjacent unit plate, flexible roofing structure basic unit accessible the movable clearance adapts to the deformation of cable net; the flexible waterproof layer is laid on the outer side of the flexible roof structure base layer. The utility model provides a flexible roofing system not only can satisfy the roof waterproof, heat preservation, the sound insulation functional requirement of making an uproar that falls, does not participate in individual layer cable net roofing structural system atress moreover, does not produce the interior resistance to individual layer cable net roofing structural system yet.

Description

Flexible roofing system

Technical Field

The utility model relates to a roofing technical field especially relates to a flexible roofing system that is adapted to individual layer cable net roofing structural deformation.

Background

Along with the development of national economy and the improvement of building structure technology, large public buildings meet the building functions, the aesthetic interests of the public are correspondingly improved, buildings of large-space and large-span roof structure systems with simple and atmospheric indoor appearances are more and more common, and the single-layer cable net roof structure systems are more and more applied to the roof main structure systems of the buildings according to the obvious characteristics of simple structural forms, large spans and the like, for example, the Olympic Games bicycle museum in London, Suzhou industrial park natatorium in 2012 and the like.

For a large-span single-layer cable net roof structure system, if the traditional integral concrete roof engineering method is adopted, firstly, the economic performance is deteriorated due to the large dead weight of the roof; secondly, under the action of external loads (such as temperature, wind load, live load, earthquake load and the like), the roof panel component has additional influence on the component internal force of the single-layer cable net roof structure system, and the potential safety hazard of component internal force overload of the single-layer cable net roof structure system exists; and thirdly, under the action of external load, the internal force of the component of the single-layer cable net roof structure system is axial force, the component generates elongation or compression in the direction of a central line, and the value of the elongation or compression is larger, so that the integral concrete roof is damaged due to the crack of the elongation or compression of the component, and further the roof function (such as heat preservation, water resistance, sound insulation and noise reduction) is damaged. If the traditional profiling metal sheet roofing engineering method is adopted, such as the standing-seam crimping metal panel roofing, the two latter problems are not solved.

The london Olympic Games bicycle shed roof engineering adopts the method of inner layer unit plate and outer layer profiled metal roof board, although the inner layer adopts the unit plate, the outer layer adopts the through-length profiled metal roof board for the whole waterproof function of the roof, therefore, the length direction and the short edge direction of the profiled metal roof board do not effectively solve the problem of mutual influence of the internal force and deformation of the component of the single-layer cable net roof structure system, thereby influencing the function of the roof system. The Suzhou industrial park natatorium roof engineering adopts the supporting purlines which are segmented and are hinged in a sliding mode, the profiling bottom plate is cut to leave a seam, and the profiling metal roof plate is paved outside.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art defect to a flexible roofing system is provided, this flexible roofing system not only can satisfy the waterproof, heat preservation of roofing, the function requirement of making an uproar falls in the sound insulation, does not participate in individual layer cable net roofing structure system atress moreover, also does not produce the interior resistance to individual layer cable net roofing structure system.

In order to achieve the above object, the present invention provides the following technical solutions:

a flexible roofing system comprising:

the flexible roof structure base layer is formed by tiling a plurality of mutually independent unit plates, at least one mounting part is arranged below each unit plate, each unit plate is connected with the cable net of the single-layer main body through the mounting part, movable gaps are formed between any adjacent unit plates, and the flexible roof structure base layer can adapt to the deformation of the cable net through the movable gaps;

and the flexible waterproof layer is laid on the outer side of the flexible roof structure base layer.

As a practical manner, the unit plate is a surface structure divided by the flexible roofing structure base layer according to the member arrangement characteristics on the single-layer main body; preferably, a groove matched with the gutter is formed in a part of the unit plate in an inward depression manner, or a protrusion matched with the opening fan is formed.

As an implementation mode, a buffer layer, preferably heat-insulating rock wool, is filled in the movable gap.

As an implementation manner, the unit plate includes a supporting frame and a functional layer filled in the supporting frame compartment, and the supporting frame is further provided with a plurality of purlins for supporting the functional layer.

As an implementation manner, the mounting member includes a connecting member fixed to the support frame, and a support seat provided at a free end of the connecting member to provide a mounting site for connecting the cable net.

As an implementation mode, the functional layer comprises a leveling layer, an upper supporting layer, a heat-insulating layer, a moisture-proof layer and a lower supporting layer which are sequentially arranged from outside to inside.

As an implementable manner, the leveling layer is a metal plate, preferably an aluminum leveling plate, a galvanized steel plate and a stainless steel plate.

As an implementation manner, the upper supporting layer and the lower supporting layer are made of one of a profiled aluminum plate, a galvanized steel plate or a stainless steel plate.

As an implementation mode, the material of the heat-insulating layer is heat-insulating rock wool, glass fiber wool, slag wool, foam glass or foam concrete.

As an implementation mode, the material of the moisture-proof layer is a polyethylene film, a polypropylene film, a composite metal aluminum foil or a waterproof coating.

As an implementable manner, the supporting frame and the purlins are made of metal, preferably aluminum, steel and stainless steel.

As an implementable manner, the connection manner of the waterproof layer and the flexible roof structure base layer is fully sticky or mechanically fixed, preferably fully sticky.

As an implementable manner, the waterproof layer is a polymer waterproof roll or an asphalt waterproof roll, preferably an ethylene propylene waterproof roll, polyvinyl chloride, thermoplastic polyolefin, elastomer modified asphalt, and plastomer modified asphalt.

Compared with the prior art, the utility model discloses following beneficial effect has:

this application adopts the way of cutting apart into the block formula roofing of unit board with whole roofing system, is the flexible system with the roofing design, has effectively solved the problem that traditional roofing engineering can not adapt to the deformation of individual layer cable net roofing structural system, mainly embodies in two aspects:

1. the application of flexible roofing structure basic unit can not produce extra influence to the component internal force of individual layer cable net roofing structural system: because the unit plates are independent from each other, no interaction force is generated, and each unit plate is only connected with the single-layer cable net roof structure system, the single-layer cable net roof structure system becomes an accessory component of the single-layer cable net roof structure system, and the external load of each accessory component can be only transmitted to the single-layer cable net roof structure system, namely the accessory component does not participate in the stress of the single-layer cable net roof structure system, and does not generate an in-plane resistance effect on the single-layer cable net roof structure system;

2. the flexible roof system of the application can meet the requirement of deformation of the members of the single-layer cable net roof structure system: firstly, the requirement that the unit plate can satisfy individual layer cable net roofing structure system and warp as the accessory component, secondly, each unit plate self still remains the heat preservation of traditional roofing, functions such as sound insulation, moreover, the flexible roofing structure basic unit top layer of splicing by each unit plate still is provided with flexible waterproof layer, flexible waterproof layer can not only warp along with the deformation of each unit plate, avoid appearing the crack because of the atress deformation of individual layer cable net roofing structure system, can also ensure basic functions such as the waterproof of roofing and heat preservation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a partial structure of a flexible roofing structure base layer according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a supporting frame according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a connection between a structural unit and a cable net according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a flexible roof structure base layer with grooves according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a flexible roofing structure substrate with protrusions according to an embodiment of the present invention.

Description of reference numerals:

1. a unit plate block; 11. a support frame; 12. a purlin; 13. a functional layer; 131. leveling layer; 132. an upper supporting layer; 133. a heat-insulating layer; 134. a moisture barrier; 135. a lower supporting layer; 14. a groove; 15. a protrusion; 2. a mounting member; 21. a connecting member; 22. a support; 3. a cable net; 31. and (4) clamping.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Please refer to fig. 1 and fig. 3, the utility model provides a flexible roofing system, flexible roofing structure basic unit and flexible waterproof layer (not shown in the figure), flexible roofing structure basic unit includes that 1 tiling of unit plate by a plurality of mutual independence forms, every unit plate 1's below all is equipped with an installed part 2 at least, each unit plate is connected with the cable net 3 of individual layer main part 1 through installed part 2 respectively, wherein, all be formed with the clearance between arbitrary adjacent unit plate 1, flexible roofing structure basic unit accessible clearance adapts to the deformation of cable net, flexible waterproof layer lays in the outside of flexible roofing structure basic unit.

The integral roof system is divided into the unit plates 1, so that the internal force of the component of the single-layer cable net roof structure system cannot be additionally influenced, the unit plates 1 are independent from each other and do not generate interaction force, and each unit plate 1 is only connected with the cable net 3 of the single-layer main body, so that the unit plates become the auxiliary component of the single-layer cable net roof structure system, the external load of each auxiliary component is only transmitted to the cable net 3 of the single-layer main body, namely the auxiliary component does not participate in the stress of the single-layer cable net roof structure system and does not generate the in-plane resistance effect on the single-layer cable net roof structure system; secondly, the requirement of the deformation of the members of the single-layer cable net roof structure system can be met, the auxiliary members of the unit plate 1 can meet the requirement of the deformation of the single-layer cable net roof structure system, the functions of heat preservation, sound insulation and the like of the auxiliary members still exist, and the functional damages of roof waterproofing, heat preservation and the like caused by the cracks and the like due to the stress deformation of the single-layer cable net roof structure system can be avoided by matching with the arrangement of the surface layer flexible waterproof layer. In conclusion, the roof is designed into a flexible system, so that the roof system becomes an auxiliary component meeting the deformation requirement of the single-layer cable net roof structure system, the problem that the internal force and deformation of the components between the roof system and the flexible system influence each other is completely and effectively solved, the function of the roof system is not influenced, and the problem that the traditional roof engineering cannot meet the deformation of the single-layer cable net roof structure system is effectively solved.

In the present application, the whole flexible roof structure base layer is divided into corresponding unit blocks 1 according to the component arrangement characteristics of the single-layer cable net roof structure system, each unit block 1 is a surface structure, the shape of the surface structure is set according to the actual component arrangement characteristics, and is used for paving the components of the whole roof, for example, please refer to fig. 4, when a gutter is arranged on the roof, a groove 14 matched with the gutter will be formed on the unit block 1 at the corresponding position, please refer to fig. 5, when an opening fan is arranged on the roof, a protrusion 15 matched with the opening fan will be formed on the unit block 1 at the corresponding position.

Because the effect that the individual layer cable net roofing structure system bears the external load has the reciprocity, the gap width between the roofing cell plate is in tensile or compressive change state, may have collision or thermal insulation performance unable problem between the adjacent cell plate 1, consequently, this application still fills in the clearance between adjacent cell plate 1 has the buffer layer (not sign in the picture), can also seal completely when adopting the heat preservation rock wool to fill in order to realize can carrying out deformation best.

Referring to fig. 1, the specific structure of the unit plate 1 includes two major parts, namely, a supporting frame 11 and a functional layer 13 disposed in the supporting frame 11, referring to fig. 2, the supporting frame 11 is mainly formed by surrounding purlins 12 and is used for providing connection points for the mounting pieces 2, referring to fig. 3, the mounting pieces 2 generally include a connecting piece 21 and a support 22, the connecting piece 21 is fixed on the supporting frame 11, the support 22 is disposed at a free end of the connecting piece 21, a threaded hole can be formed in the support 22, and the support 22 is fixed on a clamp 31 connected with the cable net 3 through a screw to provide a mounting point connected with the cable net 3.

Referring to fig. 3, the functional layer 13 includes a leveling layer 131, an upper supporting layer 132, a heat insulating layer 133, a moisture-proof layer 134, and a lower supporting layer 135, which are sequentially arranged from outside to inside, and the leveling layer 131 is mainly made of a metal plate, which may be a leveling aluminum plate, a galvanized steel plate, a stainless steel plate, or the like; the upper supporting layer 132 and the lower supporting layer 135 can be made of the same or different materials, but both have the supporting and bearing functions, and any one of a profiled aluminum plate, a galvanized steel plate or a stainless steel plate can be selected; the heat-insulating layer 133 can be selected from heat-insulating rock wool, glass fiber wool, slag wool, foam glass or foam concrete; the moisture-proof layer 134 can be a vapor barrier film or a waterproof coating, and the vapor barrier film can be a polyethylene film, a polypropylene film, a composite polypropylene film or a composite metal aluminum foil.

The processing, manufacturing and installing process sequence of the unit plate 1 is as follows:

firstly, processing and manufacturing purlins 12, connecting pieces 21, supports 22 and the like in a factory according to the size of a roof unit plate 1, and assembling the purlins and the connecting pieces into a supporting frame 11;

secondly, in a factory, a profiled aluminum plate used as a lower supporting layer 135 is fixedly connected with the lower surface of the supporting frame 11, then a vapor barrier film and heat preservation rock wool are sequentially paved in the cells of the supporting frame 11 from inside to outside, then a profiled aluminum plate used as an upper supporting layer 132 is fixed on the upper surface of the supporting frame 11, a leveling aluminum plate is paved on the outer side of the profiled aluminum plate, and finally the factory manufacturing of the unit plate 1 is realized;

please refer to fig. 2, certainly, in order to better support, a plurality of purlins 12 may be further disposed on the supporting frame 11, wherein the supporting frame 11 and the purlins 12 are made of metal, preferably made of aluminum, steel and stainless steel, the purlins 12 may be disposed in parallel to a side of the supporting frame 11, the lower supporting layer 135 of the functional layer 13 is wrapped on the outer side of the purlins 12 during the manufacturing process, the vapor barrier film and the heat preservation rock wool are sequentially laid on the purlins 12, and finally the upper supporting layer 132 is fixed on the upper surface of the supporting frame 11, and then the leveling layer 131 is laid.

And the installation of the flexible roofing system further comprises the following steps:

fixing the connecting pieces 21 of the mounting pieces 2 below the supporting frame 11, preferably at four corners of the supporting frame 11, so as to realize balanced stress, welding the support 22 below the connecting pieces 21, wherein the support 22 is provided with a threaded hole for connecting the cable net 3 clamp 31, and mounting each unit plate 1 on the clamp 31 of the single-layer main body cable net 3 according to the designed position through the threaded hole;

then, filling gaps among the roof unit plates 1 with heat-preservation rock wool and completely sealing the gaps;

and finally, coating a special base adhesive on the upper surface of the roof unit plate 1, and then, paving the whole flexible roof structure base layer with the waterproof layer in a full-sticking mode, wherein the special base adhesive is a solvent type and high-strength special adhesive taking synthetic rubber as a base material, the special adhesive needs to meet the requirements of the existing industry standard 'high-molecular waterproof coiled material adhesive', and the special adhesive, the inner surface of the EPDM coiled material waterproof cushion layer and the leveling aluminum plate should keep good compatibility and adhesive force.

The flexible waterproof layer can be polymer waterproof coiled material or asphalt waterproof coiled material, such as ethylene propylene waterproof coiled material, polyvinyl chloride, thermoplastic polyolefin, elastomer modified asphalt or plastomer modified asphalt, the ethylene propylene waterproof coiled material is preferably selected in the application, the ethylene propylene waterproof coiled material is also called as EPDM waterproof coiled material, has excellent performances of ultraviolet resistance, aging resistance and mildew and rot resistance, the non-reinforced homogeneous EPDM waterproof coiled material is adopted in the application, the surface is smooth, the edge is parallel and level, no crack, adhesion, hole, air hole or scar exists, wherein the irradiation time of the artificial climate accelerated aging test is not less than 2500 hours, the climate conditions and project characteristics of the engineering location are met, the design service life is not less than 25 years, the engineering quality guarantee is not less than 20 years, the main performance indexes (such as tensile property, low-temperature bending property, thermal aging, chemical resistance, weather aging property and the like) and the quality of the waterproof material are not lower than the quality of the waterproof material which meets the current national standard part 1 of the high polymer waterproof material: the sheet material GB18173.1 meets the requirements of corresponding indexes.

As the single-layer cable net roof structure system has the reciprocating property under the action of bearing external loads, and the width of the gap between the roof unit plates 1 is in a tensile or compressive change state, the EPDM coiled material crossing the gap between the roof unit plates 1 meets the requirement that repeated tensile circulation does not generate obvious plastic deformation so as to ensure the integrity and durability of the EPDM waterproof layer when the roof plate is displaced.

Of course, the connection mode of the flexible waterproof layer and the flexible roof structure base layer is not limited to full adhesion, and can also be a connection mode of mechanical fixation and adhesive bonding.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (15)

1. A flexible roofing system comprising:

the flexible roof structure base layer is formed by tiling a plurality of mutually independent unit plates, at least one mounting part is arranged below each unit plate, each unit plate is connected with the cable net of the single-layer main body through the mounting part, movable gaps are formed between any adjacent unit plates, and the flexible roof structure base layer can adapt to the deformation of the cable net through the movable gaps;

and the flexible waterproof layer is laid on the outer side of the flexible roof structure base layer.

2. The flexible roofing system of claim 1 wherein the unit panels are a surface structure divided by the flexible roofing structure substrate according to the component placement characteristics on the single-layered body.

3. The flexible roofing system according to claim 2 wherein a portion of the unit panels are recessed to form a groove adapted to the gutter or to form a protrusion adapted to the opening fan.

4. The flexible roofing system of claim 1 wherein the activity gap is further filled with a cushioning layer.

5. The flexible roofing system of claim 4 wherein the underlayment layer comprises heat-insulating rock wool.

6. The flexible roofing system according to claim 1 wherein the modular panels comprise support frames and functional layers filled in the cells of the support frames, the support frames further having purlins for supporting the functional layers.

7. The flexible roofing system defined in claim 6 wherein the bracing frames and purlins are metal.

8. The flexible roofing system defined in claim 7 wherein the support frame and purlins are selected from at least one of aluminum, steel and stainless steel.

9. The flexible roofing system defined in claim 6 wherein the mounting members include attachment members secured to the support frame and support brackets at free ends of the attachment members to provide mounting sites for attachment of the cable mesh.

10. The flexible roofing system of claim 6 wherein the functional layer comprises a leveling layer, an upper support layer, a thermal insulation layer, a moisture barrier layer and a lower support layer arranged in sequence from outside to inside.

11. The flexible roofing system of claim 10 wherein the screed layer is a sheet metal material;

the upper supporting layer and the lower supporting layer are made of one of a profiled aluminum plate, a galvanized steel plate or a stainless steel plate;

the heat-insulating layer is made of heat-insulating rock wool, glass fiber wool, slag wool, foam glass or foam concrete;

the moisture-proof layer is made of a polyethylene film, a polypropylene film, a composite metal aluminum foil or a waterproof coating.

12. The flexible roofing system of claim 11 wherein the screed layer is any one of a screed aluminum plate, a galvanized steel plate, and a stainless steel plate.

13. The flexible roofing system of claim 1 wherein the waterproof layer is attached to the flexible roofing structural substrate by full adhesion or mechanical fastening.

14. The flexible roofing system of claim 13 wherein the waterproof layer is a polymeric waterproof coil or an asphalt waterproof coil.

15. The flexible roofing system of claim 14 wherein the water barrier layer comprises any one of ethylene propylene waterproofing coil, polyvinyl chloride, thermoplastic polyolefins, elastomer modified asphalt, and plastomer modified asphalt.

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