CN219158195U - Overhead metal roof structure - Google Patents

Abstract

The utility model discloses an overhead metal roof structure which comprises roof main purlines, roof bottom plates and roof secondary purlines which are sequentially connected and fixed from bottom to top, wherein bracing strips are connected between the roof main purlines, a glass wool heat-insulating layer and a waterproof breathable layer are sequentially laid between the roof secondary purlines from bottom to top, a plurality of sliding supports are fixedly arranged on the roof secondary purlines at intervals, and roof outer plates meshed with the sliding supports are arranged between the sliding supports. The utility model ensures the structural safety and the functionality and is more convenient for construction by reasonably designing the roof structures such as the roof bottom plate, the roof main purline, the brace, the rectangular secondary purline, the sliding support and the like, and simultaneously reduces the material waste caused by the on-site cutting processing of roof materials and reduces the environmental pollution.

Description

Overhead metal roof structure

Technical Field

The utility model relates to the technical field of building construction, in particular to an overhead metal roof structure.

Background

Compared with the traditional concrete roof and tile roof, the metal roof has the advantages of light weight, good plasticity, strong adaptive deformation capability, relatively longer maintenance period, simple maintenance, no wet operation construction, waste metal materials and the like, wherein the structural design of the metal roof relates to whether the roof can play a role for a long time, safety and stability.

Disclosure of Invention

The utility model aims to provide a safe and convenient-to-construct overhead metal roof structure. On the premise of ensuring the safety and stability of the structure, the roof construction speed can be increased.

The utility model is realized by the following technical scheme:

the utility model provides an overhead metal roofing structure, its includes by supreme roofing main purlin, roofing bottom plate and the roofing secondary purlin of connecting gradually fixed down, be connected with the brace between the roofing main purlin, glass silk floss heat preservation and waterproof ventilative layer have been laid in proper order by supreme down between the roofing secondary purlin, the interval is fixed with a plurality of sliding support on the roofing secondary purlin, be equipped with rather than the interlock's roof planking between the sliding support.

Further, the roof bottom plate is a profiled steel bottom plate.

Further, the roof outer plate is a metal concave roof plate.

Further, the roofing secondary purline comprises a first purline, the first purline is arranged above the roofing bottom plate and in the vertical direction of the roofing main purline, and the first purline is fixed with the main purline and the roofing bottom plate through self-tapping screws.

Further, the roofing secondary purline further comprises a second purline, the second purline is arranged in the vertical direction above the first purline in a through length mode, and the second purline is fixed with the first purline through self-tapping screws.

Further, the roof main purline comprises a middle web plate, and an upper flange and a lower flange which are connected to the same side surfaces of the upper end and the lower end of the middle web plate.

Further, the brace is arranged along the middle part of the roof main purline and 1/3 of the position away from the lower flange.

Further, the first purline and the second purline are shaped like a Chinese character 'ji', and flanges at two sides of the bottom are connected with self-tapping screws.

The utility model has the beneficial effects that:

through the rational design to roofing structures such as roofing bottom plate, roofing main purlin, brace, several font secondary purlins, sliding support, be convenient for construction more in guaranteeing structural security and functional, reduce the material waste that roofing material spot cutting processing caused simultaneously, reduce environmental pollution.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a plan view of an overhead metal roofing structure according to an embodiment of the present utility model.

FIG. 2 is a schematic front view of a roofing floor installation (section 1-1 of FIG. 1).

FIG. 3 is a schematic front view of a roofing floor installation (section 2-2 of FIG. 1).

Fig. 4 is a schematic front view of a first purlin installation of a roof.

Fig. 5 is a schematic side view of a first purlin installation of a roof.

Fig. 6 is a schematic front view of a second purlin installation of a roof.

Fig. 7 is a schematic side view of a second purlin installation of a roof.

Fig. 8 is a schematic front view of the laying of the glass wool insulation layer.

Fig. 9 is a schematic side view of a glass wool insulation lay-up.

Fig. 10 is a schematic front view of waterproof and breathable film laying.

Fig. 11 is a schematic side view of waterproof and breathable film lay-up.

Fig. 12 is a schematic front view of a shoe mount.

Fig. 13 is a schematic side view of a shoe mount.

Fig. 14 is a schematic front view of a roof deck installation.

FIG. 15 is a schematic side view of a roof deck installation.

The drawing is marked with: 1-roof main purlines; 2-bracing; 3-a roof bottom plate; 4-self-tapping screws; 51-roofing secondary purlin I; 52-roofing secondary purlin II; 6-a glass wool heat-insulating layer; 7-a waterproof breathable film; 8-sliding support; 9-roof outer plate.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1-15, the utility model provides an upper metal roof structure, which comprises a roof main purline 1, a roof bottom plate 3, a roof secondary purline and a roof outer plate 9 which are sequentially connected and fixed from bottom to top, wherein a brace 2 is connected between the roof main purlines 1, a glass wool heat insulation layer 6 and a waterproof breathable layer 7 are sequentially paved between the roof secondary purlines from bottom to top, a plurality of sliding supports 8 are fixedly arranged on the roof secondary purlines at intervals, and the roof outer plate 9 meshed with the sliding supports 8 is arranged between the sliding supports.

Referring specifically to fig. 2 and 3, the main purline 1 for roof includes a middle web, and an upper flange and a lower flange connected to the same side surfaces of the upper and lower ends of the middle web. The brace 2 is arranged along the middle part of the main purline 1 of the roof and 1/3 of the lower flange, one brace 2 is arranged in each empty purline, the brace 2 is arranged in a through length mode between the main purlines 1 of the roof, and the bearing capacity of the roof is enhanced. The roof bottom plate 3 is arranged above the main purline 1 of the roof, the roof bottom plate 3 can be a profiled steel bottom plate, transverse lap joint is not less than one wave (1.5 mm), longitudinal lap joint is not less than 50mm, and the roof bottom plate 3 and the main purline 1 of the roof are fixed through self-tapping screws 4.

Arranging a plurality of rectangular roof sub purlines I51 (namely first purlines) on the roof bottom plate 3 in a direction perpendicular to the roof main purlines 1, wherein the roof sub purlines I51 are fixed with the roof main purlines 1 and the roof bottom plate 3 through self-tapping screws 4; as shown in fig. 4 and 5.

A plurality of font-shaped roof secondary purlines II 52 (namely second secondary purlines) are arranged in the vertical direction above the roof secondary purlines I51, and the roof secondary purlines I51 and the roof secondary purlines II 52 are fixed by self-tapping screws 4, as shown in fig. 6 and 7.

And the glass fiber cotton heat insulation layers 6 are sequentially paved between the roofing sub purlines II 52 along the roof gradient direction, and the glass fiber cotton heat insulation layers are required to be tightly spliced from one end to the other end to be sequentially paved, so that the phenomena of uneven thickness, cracking and the like cannot occur. The tensioning and alignment of the glass wool are kept, the joints between the rolls are tight, and when the longitudinal overlapping is needed, the overlapping position is arranged at the position of the roofing secondary purline II 52; as shown in fig. 8 and 9.

After the glass wool heat preservation layer 6 is paved, a waterproof and breathable film 8 is paved along the upper edge of the glass wool heat preservation layer, the waterproof and breathable film is kept in tension and alignment during paving, and the splicing seams between the surfaces in the longitudinal direction are tight, are well fixed by staples, and cannot leave gaps; as shown in fig. 10 and 11.

Then, installing a sliding support 8 above the roof sub purline II 52, and fixing the roof sub purline II by self-tapping screws; as shown in fig. 12 and 13. The sliding support 8 is a fixing seat in a typhoon-resistant and anti-leakage metal roof system in the prior art, such as a sliding telescopic roof board support device in the Chinese patent publication No. CN 108590007A and a sliding telescopic roof board support device in the Chinese patent publication No. CN 105952069A. The structure and the working principle of the sliding support are disclosed.

In the embodiment, the sliding support comprises a fixed support and a panel occluding sheet, and the lower end of the fixed support is fixedly connected with the roofing secondary purlin II 52; the panel occluding sheet is fixedly connected with the fixed support, and forms small-angle relative rotation with the fixed support along the length direction of the roof outer plate; the upper part of the panel occluding piece is provided with a panel occluding part which is in occluding connection with the two side edges of the roof outer plate.

When the roof outer plate locking device is used, the first locking part of the roof outer plate is locked by adopting the panel locking piece arranged on the fixed support, and after the fixed support is locked with the roof outer plate, the roof outer plate is tightly connected with the fixed support without relative sliding; meanwhile, the panel engaging piece and the fixed support are connected in a relative micro-rotation mode, the expansion and contraction amount of the roof outer plate is digested in each span through the common slight rotation deformation of the roof outer plate and the panel engaging piece due to factors such as temperature change, the problem of stress concentration is avoided, meanwhile, the panel length is not limited, fatigue damage caused by long-term friction between the roof panel and the fixed support is avoided, and the roof panel is excellent in wind resistance, water tightness and air tightness.

Then, the flatness of the purline of the roof is rechecked, and the outer plate 9 of the roof is paved after the flatness is qualified. The roof outer plate can be a metal concave roof plate. The manual edge seaming machine is used for biting the length of about half a meter, then the electric edge lockstitch machine is flatly placed at the locked position, the roller clamps the locked position, the edge lockstitch machine is started, and the edge lockstitch is completed uniformly. As shown in fig. 14 and 15.

The utility model ensures the structural safety and the functionality and is more convenient for construction by reasonably designing the roof structures such as the roof bottom plate, the roof main purline, the brace, the rectangular secondary purline, the sliding support and the like, and simultaneously reduces the material waste caused by the on-site cutting processing of roof materials and reduces the environmental pollution.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims (8)

1. An overhead metal roofing structure, its characterized in that: the roof comprises a roof main purline, a roof bottom plate and a roof secondary purline which are sequentially connected and fixed from bottom to top, wherein a brace is connected between the roof main purlines, a glass wool heat insulation layer and a waterproof breathable layer are sequentially paved between the roof secondary purlines from bottom to top, a plurality of sliding supports are fixed on the roof secondary purlines at intervals, and a roof outer plate engaged with the sliding supports is arranged between the sliding supports.

2. An overhead metal roofing structure according to claim 1, wherein the roofing base plate is a profiled steel base plate.

3. An overhead metal roofing structure according to claim 1, wherein the roofing outer panel is a metal concave roofing panel.

4. An overhead metal roofing structure according to claim 1, wherein said roofing sub-purlin comprises a first sub-purlin disposed vertically above said roofing floor and above said roofing main purlin, said first sub-purlin being secured to said main purlin and said roofing floor by self-tapping screws.

5. The overhead metal roofing structure according to claim 4, wherein the roofing secondary purlines further comprise secondary purlines, the secondary purlines are vertically and vertically arranged above the primary purlines, and self-tapping screws are used for fixing the secondary purlines with the primary purlines.

6. An overhead metal roofing structure according to claim 1, wherein the roofing main purline includes a middle web and upper and lower flanges connected to the same side of the upper and lower ends of the middle web.

7. An overhead metal roofing structure according to claim 6 wherein said braces are provided along the middle of said roofing main purlin and 1/3 of the distance from the bottom flange.

8. The overhead metal roofing structure according to claim 5, wherein the first purline and the second purline are zigzag purlines, and flanges at both sides of the bottom are connected with self-tapping screws.

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