CN220644889U - Novel purlin-free combined metal roof system - Google Patents

Abstract

The utility model relates to a novel purlin-free combined metal roof system, which comprises a roof board assembly and a support beam assembly, wherein the roof board assembly is arranged on the support beam assembly; the roof boarding assembly comprises a plurality of roof boarding installed on the secondary beam, the roof boarding are mutually overlapped, the overlapped part is provided with a waterproof coiled material layer I, the upper part of the roof boarding assembly is provided with a waterproof coiled material layer II, and the waterproof coiled material layer I is positioned in the waterproof coiled material layer II. The utility model has lighter weight, fewer used components, lower material cost, shortened construction period, high installation efficiency and reduced construction cost, realizes higher bearing capacity on the premise of meeting the use function, and greatly improves the cost performance of the roof.

Description

Novel purlin-free combined metal roof system

Technical Field

The utility model relates to a metal roofing system, in particular to a purlin-free metal roofing system, and belongs to the technical field of industrial building design construction.

Background

The roofs of the buildings comprise metal roofs, concrete roofs, tile roofs and the like, but the metal roofs are limited by the forming rigidity, bearing capacity and the like of the pressed steel plates, basically, purlins with smaller intervals (the intervals are about 1.2-1.5 m) are arranged on a main structure, and then roofing systems such as metal roof boards, heat-insulating cotton, waterproof coiled materials and the like are sequentially paved on the purlins.

However, the conventional method has great influence on construction, particularly in industrial plants, a stable system is formed among rigid frames by arranging a plurality of pull rods, braces and supports, and then a plurality of purlines are arranged on the roof and the wall surface, so that the workload of purchasing, processing and field installation is huge, and the manufacturing cost is high. And certain requirements are set for the delivery and installation sequence of the components, so that the construction efficiency is reduced. Meanwhile, the traditional metal roof system is composed of a multi-layer structure, needs to be installed through at least 8 working procedures, has high quality requirements on construction workers in the installation process, is not easy to check after being formed, and has hidden troubles of water leakage, heat insulation and the like. More importantly, if the metal roof board adopts common composite boards on the market, one side of the longitudinal lap joint is in an overhanging state when the metal roof board is paved, and the rigidity of the longitudinal lap joint of two adjacent composite boards is inconsistent, so that the joint is often deformed poorly or deformed uncoordinated after being stressed, and the hidden danger of water leakage exists.

The present utility model has been made based on this.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model aims to provide a novel purlin-free combined metal roof system which can greatly save purchasing, processing and installing periods, and can shorten the whole construction period and improve the construction quality. The roof board has good flatness and high stability at the board end, and when the waterproof coiled material layer is paved, the fitting degree of coiled materials and lap joints is high, the loosening is not easy, and the waterproof performance is greatly improved.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the novel purlin-free combined metal roof system comprises a roof board assembly and a support beam assembly, wherein the roof board assembly is arranged on the support beam assembly, the support beam assembly comprises a main beam, and a plurality of sub beams which are parallel to each other are arranged on the main beam; the roof boarding assembly comprises a plurality of roof boarding installed on the secondary beam, the roof boarding are mutually overlapped, a first waterproof coiled material layer is arranged at the overlapped part, a second waterproof coiled material layer is arranged above the roof boarding assembly, and the first waterproof coiled material layer is positioned in the second waterproof coiled material layer.

The roof boarding is characterized in that the two ends of the roof boarding are respectively a public edge and a female edge, the public edge is provided with a notch, an extension section is arranged above the notch, the female edge is provided with a bulge, the bulge is arranged above the female edge, the lap joint is a bulge which enters the notch, and the extension section enters the hollow section.

The roof boarding is characterized in that the two ends of the roof boarding are respectively a public edge and a female edge, the public edge is provided with an upper extension section, the lower part of the upper extension section is a lower hollow section, the female edge is provided with a lower extension section, the upper part of the lower extension section is an upper hollow section, the lap joint part is that the upper extension section enters the upper hollow section, and the lower extension section enters the lower hollow section.

The upper part of the roof board is provided with a lower concave part, the lower part of the roof board is provided with a lower protruding force, and the lower protruding force is positioned right below the lower concave part.

The lower protruding force is internally provided with a filler.

The two ends of the waterproof coiled material layer I are respectively positioned on one side wall of the two lower concave parts.

Structural nails are driven into the lower concave parts, and the roof boards and the secondary beams are fixed through the structural nails.

The roof board comprises an upper layer board, a middle core board and a lower layer board, wherein the upper layer board and the lower layer board are both metal boards, and the middle core board is a rock wool board or a glass fiber cotton board.

The webs of the secondary beams are honeycomb webs or corrugated webs, the distance between every two secondary beams is 2-8m, and the distances between the secondary beams are equal.

The novel purlin-free combined metal roof system and the construction method thereof have the following beneficial effects:

1. the composite roof board and the steel girder are combined for the whole roof system, the traditional purline flexible roof system is canceled, and the economic and attractive honeycomb secondary beam or the corrugated secondary beam is changed, so that compared with the combination of the purline and the bottom plate, the roof system has lighter weight, fewer used components and lower material cost, shortens the construction period, has high installation efficiency, reduces the construction cost, buries the pen for realizing the automatic production of the components, and greatly improves the cost performance of the roof on the premise of meeting the use function.

2. The roof board is mainly used as a bearing plate, two ends of the roof board are effectively fixed on the secondary beam through structural nails, and the span can be two to eight meters. And after the roof board is lapped with the roof board, a waterproof coiled material layer I is paved, the roof board has excellent waterproof performance, and a waterproof coiled material layer II is paved above the waterproof coiled material layer I, so that the waterproof performance is further improved, and the hidden danger of water leakage of the industrial building is systematically solved.

3. Compared with the traditional flexible roof, the waterproof coiled material layer has the advantages that the waterproof coiled material layer can be reasonably thick according to requirements, and meanwhile, compared with the traditional flexible roof, the waterproof coiled material layer only needs 50% of screw consumption, so that the economical efficiency is greatly improved, and the construction efficiency is also improved to a certain extent.

4. The bearing function and the fixed function of the roof board are combined into a whole, so that the construction steps of the roof are reduced, the labor in the laying process of the roof is greatly saved, and the construction efficiency is improved.

5. The roof board has reasonable thickness and peak height design, and the two ends are reinforced by the public edges and the female edges, so that excessive deformation of the board in the construction process is avoided, the construction safety can be ensured, and the connecting board is prevented from being bent downwards.

6. The lower layer plate of the roof board is subjected to stiffening treatment, so that the bearing capacity of the plate is improved while the plate shape is stabilized. The plate type in the prior art is basically characterized in that one end of the plate type is overhanging, no supporting stress point exists, and the other end of the plate type is provided with a supporting point. The filler at the lower protruding strength is polyurethane or other fillers, and the stability of the plate end is higher.

7. The roof board has good flatness, the position of the structural nails can be accurately positioned in the concave-down part, the structural nails can be driven into the concave-down part to prevent the nail head from being raised to damage the flatness of the whole board surface, and the raised part is sharp and is easy to puncture the waterproof coiled material layer, so that the laying of the waterproof coiled material layer is also prevented from being influenced. When the waterproof coiled material layer is paved, the bonding degree of the waterproof coiled material layer and the lap joint is higher, the waterproof coiled material layer is not easy to loosen, and water leakage is not easy to occur.

8. According to the roof board disclosed by the utility model, the male edge and the female edge are adopted to be waterproof, when the two boards are in lap joint, the male edge and the female edge are buckled, the extension section of the male edge can cover the hollow section of the female edge, the continuity of heat preservation can be effectively achieved, and enough space is reserved at the lap joint, so that the male edge and the female edge can be smoothly and conveniently buckled when the end surfaces of the two boards are tightly propped against each other, the interference fit between the boards is not affected, and a tighter lap joint effect is achieved.

Drawings

Fig. 1 is a schematic structural view of embodiment 1;

fig. 2 is a schematic diagram showing the mounting positional relationship among the main beams, the sub beams, and the roof panels in embodiment 1;

FIG. 3 is a schematic view showing the mounting relationship of the secondary beam and roof panel of example 1;

FIG. 4 is an enlarged view of the portion A in FIG. 3;

FIG. 5 is a schematic illustration of the overlapping relationship between roof panels of example 1;

FIG. 6 is a schematic drawing of the public edge structure of the roof panel of example 1;

FIG. 7 is a schematic diagram of the parent edge structure of embodiment 1;

fig. 8 is a schematic structural view of a roof panel in embodiment 1;

FIG. 9 is a schematic illustration of the overlapping relationship between roof panels of example 2;

fig. 10 is a schematic structural view of a roof panel in embodiment 2;

wherein, 1 is the girder, 2 is the secondary beam, 3 is the roof boarding, 31 is the public edge, 311 is the notch, 312 is the extension, 313 is the extension, 314 is the lower fretwork section, 32 is the female edge, 321 is protruding, 322 is the fretwork section, 323 is the fretwork section, 324 is the extension down, 33 is the concave part, 34 is down protruding strength, 35 is the top sheet, 36 is middle core board, 37 is the bottom sheet, 38 is the filler, 4 is waterproofing membrane layer one, 5 is waterproofing membrane layer two, 6 is the structural nail.

Detailed Description

The present utility model will be further described with reference to specific examples, but the scope of the present utility model is not limited thereto.

Example 1

As shown in fig. 1-8, the novel purlin-free composite metal roofing system of example 1 includes a roof panel assembly and a support beam assembly, the roof panel assembly being mounted to the support beam assembly.

Further, the support beam assembly in this embodiment 1 includes a main beam 1, and a plurality of sub beams 2 parallel to each other are installed on the main beam 1; the roof boarding assembly comprises a plurality of roof boarding 3 installed on the secondary beam 2, the roof boarding 3 are mutually overlapped, a first waterproof coiled material layer 4 is arranged at the overlapping position, a second waterproof coiled material layer 5 is arranged above the roof boarding assembly, the first waterproof coiled material layer 4 is positioned in the second waterproof coiled material layer 5, and the waterproof performance is further improved due to the arrangement of the double-layer waterproof coiled material layers.

Preferably, in the roof board 3 of this embodiment 1, the male edge 31 and the female edge 32 are respectively arranged at two ends, the male edge 31 is provided with a notch 311, and an extension section 312 is arranged above the notch 311; the female edge 32 is provided with a protrusion 321, and a hollowed-out section 322 is arranged above the protrusion 321; the overlap joint is that the protrusion 321 enters the notch 311, and the extension 312 enters the hollowed-out section 322. When two boards overlap joint, public limit 31 and female limit 32 lock, the fretwork section 322 of female limit 32 can be covered to the extension section 312 of public limit 31, plays the waterproof effect to a certain extent, and overlap joint department leaves enough space, and the terminal surface of two boards of being convenient for when the top is tight, public limit 31 and female limit 32 can be smooth, convenient lock to do not influence the interference fit between board and the board, accomplish inseparabler overlap joint effect.

More preferably, the roof board 3 of the present utility model has a recess 33 above, and a downward protruding rib 34 below the roof board 3, so as to prevent the uneven surface of the board caused by stress after the overlapping. The lower protruding rib 34 is located right below the lower recess 33, and the lower protruding rib 34 is provided with a filler 38, such as polyurethane or other inorganic filler, so that the stability of the plate end is higher. The structural nails 6 are driven into the lower concave parts 33, the roof board 3 and the secondary beams 2 are fixed through the structural nails 6, two assemblies made of different materials are effectively combined together, the section moment of inertia of the whole member is improved, and the rigidity and the bearing capacity are increased. The roof board 3 has excellent bearing capacity, the span can be two to eight meters, the nail head protrusions are arranged in the concave grooves 33 to avoid damaging the flatness of the whole board surface, the waterproof coiled material layer is prevented from being affected, and the waterproof coiled material layer has extremely strong wind-tearing resistance only by using 50% of structural nails 6 in a one-wave one-nail mode.

The both ends of waterproofing membrane layer one 4 are located respectively on the lateral wall of two recess 33 down, and when laying waterproofing membrane layer, waterproofing membrane layer is higher with the laminating degree of lap seam, is difficult for not hard up, is difficult for leaking more.

The roof panel 3 in this embodiment 1 includes an upper plate 35, a middle core plate 36 and a lower plate 37, the upper plate 35 and the lower plate 37 are both metal plates, and the upper plate 35 may be a galvanized plate, or may be other metal plates suitable for the present utility model; the lower plate 37 may be an aluminized zinc plate, but may also be other metal plates suitable for the present utility model; the intermediate core plate 36 is a rock wool plate or a glass wool plate. The webs of the secondary beams 2 are honeycomb webs or corrugated webs, the distance between every two secondary beams 2 is 2-8m, and the distances between the secondary beams 2 are equal.

The construction method of the novel purlin-free combined metal roof system in the embodiment 1 comprises the following steps: (1) Arranging secondary beams 2 with the interval of 2m-8m along the roof drainage direction; (2) The main structure is provided with a main beam 1, two ends of a secondary beam 2 are connected with the main beam 1, and the main beam 1 is flush with the upper surface of the secondary beam 2; (3) The roof board 3 is paved on the secondary beam 2, the long board direction of the roof board 3 is the drainage direction, when the short sides of the roof board 3 are butted, the butt joint is arranged on the secondary beam 2, and the heat insulation material is arranged in the butt joint. (4) Driving structural nails 6 into the lower concave parts 33 of the roof boards 3, and fixing the roof boards 3 and the secondary beams 2 through the structural nails 6; (5) Paving a waterproof coiled material layer I4 at the lap joint of the roof board 3, wherein the paving method of the waterproof coiled material layer I4 is self-adhesive paving; (6) And paving a waterproof coiled material layer II 5 above the roof board assembly, wherein the waterproof coiled material layer I4 is positioned below the waterproof coiled material layer II 5, and the paving method of the waterproof coiled material layer II 5 is full-sticky paving.

Example 2

As shown in fig. 9 and 10, in embodiment 2, the two ends of the roof board 3 are respectively a male edge 31 and a female edge 32, the male edge 31 is provided with an upper extension 313, a lower hollow section 314 is arranged below the upper extension 313, the female edge 32 is provided with a lower extension 324, an upper hollow section 323 is arranged above the lower extension 324, the overlapping part is that the upper extension 313 enters the upper hollow section 323, and the lower extension 324 enters the lower hollow section 314. In the embodiment 2, when the roof boards 3 are lapped, only the female edge 32 of one roof board 3 is sleeved into the male edge 31 of the other roof board 3 from bottom to top, so that the construction is more convenient.

Other structures, connection modes and construction methods of the embodiment 2 are the same as those of the embodiment 1, and are not described here again.

Performance testing

The bearing capacity, wind resistance and water resistance of the examples 1 and 2 are tested according to a test method (such as a test method standard of the mechanical and technological properties of the composite steel plate with the standard number of GB T6396-2008) which is well known in the prior art, and the test result is that the bearing capacity reaches 350 kg/level under the condition that the examples 1 and 2 are in 4m spans; the wind resistance is more than 5.0 megapascals, which is equivalent to resisting wind with more than 17 levels; the waterproof performance is the first grade.

Therefore, the composite roof board and the steel girder are combined for the whole roof system, the traditional purline flexible roof system is canceled, and the economic and attractive honeycomb secondary beam or the corrugated secondary beam is changed.

The above embodiments are only for illustrating the inventive concept of the present utility model and not for limiting the protection of the claims of the present utility model, and all the insubstantial modifications of the present utility model using the concept shall fall within the protection scope of the present utility model.

Claims (9)

1. The utility model provides a novel no purlin combination metal roofing system, includes roof boarding subassembly and supporting beam subassembly, roof boarding subassembly install on supporting beam subassembly, its characterized in that: the support beam assembly comprises a main beam, and a plurality of mutually parallel secondary beams are arranged on the main beam; the roof boarding assembly comprises a plurality of roof boarding installed on the secondary beam, the roof boarding are mutually overlapped, a first waterproof coiled material layer is arranged at the overlapped part, a second waterproof coiled material layer is arranged above the roof boarding assembly, and the first waterproof coiled material layer is positioned in the second waterproof coiled material layer.

2. The novel purlin-free composite metal roofing system of claim 1, wherein: the roof boarding is characterized in that the two ends of the roof boarding are respectively a public edge and a female edge, the public edge is provided with a notch, an extension section is arranged above the notch, the female edge is provided with a bulge, the bulge is arranged above the female edge, the lap joint is a bulge which enters the notch, and the extension section enters the hollow section.

3. The novel purlin-free composite metal roofing system of claim 1, wherein: the roof boarding is characterized in that the two ends of the roof boarding are respectively a public edge and a female edge, the public edge is provided with an upper extension section, the lower part of the upper extension section is a lower hollow section, the female edge is provided with a lower extension section, the upper part of the lower extension section is an upper hollow section, the lap joint part is that the upper extension section enters the upper hollow section, and the lower extension section enters the lower hollow section.

4. The novel purlin-free composite metal roofing system of claim 1, wherein: the upper part of the roof board is provided with a lower concave part, the lower part of the roof board is provided with a lower protruding force, and the lower protruding force is positioned right below the lower concave part.

5. The novel purlin-free modular metal roofing system of claim 4, wherein: the lower protruding force is internally provided with a filler.

6. The novel purlin-free modular metal roofing system of claim 3, wherein: the two ends of the waterproof coiled material layer I are respectively positioned on one side wall of the two lower concave parts.

7. The novel purlin-free modular metal roofing system of claim 6, wherein: structural nails are driven into the lower concave parts, and the roof boards and the secondary beams are fixed through the structural nails.

8. The novel purlin-free composite metal roofing system of claim 1, wherein: the roof board comprises an upper layer board, a middle core board and a lower layer board, wherein the upper layer board and the lower layer board are both metal boards, and the middle core board is a rock wool board or a glass fiber cotton board.

9. The novel purlin-free composite metal roofing system of claim 1, wherein: the webs of the secondary beams are honeycomb webs or corrugated webs, the distance between every two secondary beams is 2-8m, and the distances between the secondary beams are equal.