Double-layer metal roof structure

Abstract

The utility model discloses a double-layer metal roof structure which comprises a steel structure body and is characterized by comprising a first roof layer and a second roof layer, the first roof layer and the second roof layer are connected through an adjustable elevation support, and the first roof layer is arranged below the second roof layer and connected with the steel structure body. By the adoption of the double-layer metal roof system with the good heat preservation performance, the problems that a traditional single-layer metal roof is poor in heat preservation performance and serious in heat loss are solved, the heat preservation and insulation effect is improved, indoor energy consumption in summer and winter is reduced, and energy conservation and environment protection are facilitated. Meanwhile, due to the design of the double-layer metal structure, the bearing capacity is higher, and better waterproof, anti-corrosion and durability are achieved. And the maintenance cost after being put into use is reduced, and better economic benefits are achieved.

Description

Technical Field

[0001] The utility model relates to the field of building roof construction, in particular to a double-layer metal roof structure. Background Art

[0002] In the building roofs in northern my country, especially those with steel structures as the main structure, due to the influence of longitude and latitude, the climate changes greatly, and the temperature difference between winter and summer changes greatly, resulting in the entire building and metal roof being greatly affected by temperature changes.

[0003] Due to the cold winter climate, the roof often needs special treatment to ensure that it has good thermal insulation and the ability to withstand snow loads and wind loads, while also helping the roof to achieve rapid drainage and avoid leakage. How to solve the above problems has become an urgent problem to be solved. Utility Model Content

[0004] The utility model aims to provide a double-layer metal roof structure to solve the shortcomings of poor thermal insulation, heat insulation and waterproof performance in the prior art.

[0005] The utility model is implemented by adopting the following technical scheme: a double-layer metal roof structure, including a steel structure main body, characterized in that it includes a roof layer one and a roof layer two, wherein the roof layer one and the roof layer two are connected by an adjustable elevation support, the roof layer one is arranged below the roof layer two and is connected to the steel structure main body.

[0006] Furthermore, the roof layer 1 includes a roof layer 1 steel rectangular tube, the roof layer 1 steel rectangular tube is fixed on the steel structure body, and a bottom layer of corrugated steel plate is arranged above the roof layer 1 steel rectangular tube.

[0007] Furthermore, a plurality of grooves are arranged on the bottom corrugated steel plate, and glass wool is arranged in the grooves.

[0008] Furthermore, thermal insulation rock wool is arranged above the bottom corrugated steel plate, and waterproof coiled material and air barrier membrane are arranged above and below the thermal insulation rock wool respectively. A "J"-shaped support member is also arranged inside the thermal insulation rock wool to provide support for the thermal insulation rock wool.

[0009] Furthermore, a surface layer corrugated steel plate is arranged above the waterproof coiled material, and the lower end of the adjustable elevation support is fixed on the surface layer corrugated steel plate. There are multiple surface layer corrugated steel plates, and the multiple surface layer corrugated steel plates are connected by T-shaped supports.

[0010] Furthermore, the second roof layer includes a second steel rectangular tube of the roof layer, and the second steel rectangular tube of the roof layer is connected to the upper end of the adjustable elevation support.

[0011] Furthermore, a honeycomb aluminum plate is fixed above the second steel rectangular tube of the roof layer through an aluminum alloy angle bracket.

[0012] The double-layer metal roof structure described in the utility model has the following beneficial effects: the double-layer metal roof system with good thermal insulation performance solves the problem of poor thermal insulation performance and serious heat loss of traditional single-layer metal roofs, improves the thermal insulation effect, reduces indoor energy consumption in summer and winter, and contributes to energy conservation and environmental protection. At the same time, due to its double-layer metal structure design, it has higher bearing capacity and more superior waterproof, anti-corrosion and durability. It reduces the maintenance cost after being put into use and has better economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0014] Figure 1 It is a front cross-sectional view of a double-layer metal roof structure;

[0015] Figure 2 It is a side sectional view of a double-layer metal roof structure;

[0016] In the figure, 1-steel structure body, 2-roof layer one steel rectangular tube, 3-roof layer two transverse steel rectangular tube, 4-roof layer two longitudinal steel rectangular tube, 5-adjustable elevation support, 6-bottom layer corrugated steel plate, 7-waterproof membrane, 8-glass wool, 9-T-shaped support, 10-insulating rock wool, 11-air barrier membrane, 12-flame retardant non-woven fabric, 13-J-shaped support, 14-honeycomb aluminum plate. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figure 1-2 As shown, a double-layer metal roof structure includes a roof layer 1 and a roof layer 2, wherein the roof layer 1 and the roof layer 2 are connected via an adjustable elevation support 5, and the roof layer 1 is arranged below the roof layer 2 and connected to the steel structure body 1.

[0020] The main components of the roof layer 1 include the roof layer 1 steel rectangular tube 2, the bottom corrugated steel plate 6, the flame retardant non-woven fabric 12, the glass wool 8, the vapor barrier membrane 11, the thermal insulation rock wool 10, the "X"-shaped support 13, and the waterproof membrane 7.

[0021] The main components of the roof layer 2 include the roof layer 2 transverse steel rectangular tube 3, the roof layer 2 longitudinal steel rectangular tube 4, and the honeycomb aluminum plate 14.

[0022] The steel structure main body 1 is an important component of the steel structure roof main body, providing an installation and support foundation for the steel rectangular tube above, and playing the role of bearing and load transfer.

[0023] The roof layer one steel rectangular tube 2 is located in the steel structure body 1, and is divided into two parts, longitudinal and transverse, to provide a support and fixing foundation for the bottom corrugated steel sheet 6 of the top roof layer one. When the longitudinal direction is parallel to the steel structure body 1, the transverse direction provides support for the bottom corrugated steel sheet 6 of the roof layer one, and vice versa.

[0024] The bottom corrugated steel sheet 6 is located on the steel rectangular tube 2 of the roof layer, and is fixed to the corresponding steel rectangular tube of the roof layer by self-tapping screws. Generally, it can be made of 0.8mm thick perforated aluminum zinc corrugated steel sheet (perforation rate 2%), and the surface is powder-coated, which is determined by the final design.

[0025] The flame-retardant nonwoven fabric 12 is located on the bottom corrugated steel plate 6 and mainly plays a fire-proof role to prevent the filling inside the roof 1 from being directly ignited when a fire occurs, causing the fire to spread.

[0026] Glass wool 8 is located between the flame retardant nonwoven fabric 12 and the groove of the bottom profiled steel plate 6 of the roof layer, and plays a filling and leveling role. Generally, 35mm thick glass wool 24kg / m (single-sided aluminum foil facing up) can be used to make it.

[0027] The vapor barrier film 11 is located on the glass wool 8, and mainly plays the role of air barrier to prevent water vapor caused by the temperature difference between indoor and outdoor, which increases the load on the roof layer. It can generally be made of 0.6mm thick PE vapor barrier film.

[0028] The thermal insulation rock wool 10 is located between the air barrier membrane 11 and the waterproof coiled material 7, and mainly plays the role of thermal insulation filling. A "J"-shaped support member 13 is also designed in the thermal insulation rock wool 7 at a certain interval to provide a support basis for the roof layer 2. Generally, the finished product is used, and the thickness can be designed to be 300mm thick (determined according to the design). The thermal insulation rock wool 10 is staggered and laid, and the bulk density is 140Kg / m.

[0029] The shape of the "J"-shaped support member 13 is similar to the "J"-shaped one, and is composed of a double-layer structure, with a large bottom and a small upper part, which are overlapped and fixed by self-tapping screws. It is located in the middle part of the thermal insulation rock wool 10 and arranged at a certain interval. Generally, 2.5mm "J"-shaped purlins can be used.

[0030] The waterproofing membrane 7 is located between the thermal insulation rock wool 10 and the surface layer corrugated steel plate of the roof layer 1, and mainly plays a waterproofing reinforcement role to prevent rainwater from penetrating into the thermal insulation rock wool 10 after penetrating the surface layer corrugated steel plate, affecting the thermal insulation performance and increasing the load of the roof layer. Generally, a 1.5mm thick thermoplastic olefin (TPO) waterproofing membrane can be used.

[0031] The surface corrugated steel sheet is located on the top of the roof layer 1 waterproofing membrane 7. As an important component of the roof layer 1, it plays a role of sealing, waterproofing and durability, and provides a supporting foundation for the upper adjustable elevation support 5. It is firmly fixed by a special bite tool through the T-shaped support 9. Generally, a 1.0mm thick 65 / 400 PVDF coated vertical lock seam aluminum-magnesium-manganese alloy plate can be used.

[0032] The adjustable elevation support 5 is located between the roof layer 1 and the roof layer 2, mainly providing a support foundation for the steel rectangular tube of the roof layer 2 and realizing the adjustment of the roof layer height.

[0033] The second transverse steel rectangular tube 3 of the roof layer is located on the upper part of the adjustable elevation support 5, and is intersected and connected with the second longitudinal steel rectangular tube 4 of the roof layer, providing a support foundation for installing the aluminum alloy angle code. Generally, both ends can be welded, or one end can be welded and the other end can be connected by inserting a core.

[0034] The second longitudinal steel rectangular tube 4 of the roof layer is located on the upper part of the adjustable elevation support 5, and is intersected and connected with the second transverse steel rectangular tube 3 of the roof layer, providing a supporting foundation for installing the aluminum alloy angle code.

[0035] The honeycomb aluminum plate 14 is arranged on the uppermost part of the second roof layer and fixed on the second longitudinal and transverse steel rectangular tubes of the second roof layer through aluminum alloy angle brackets, so as to achieve direct decorative effect and ensure the final decoration effect.

[0036] The above embodiments describe the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the changes and modifications made by the technicians in this field shall be within the scope of protection of the claims attached to the utility model.

Claims

1. A double-layer metal roof structure, comprising a steel structure main body (1), characterized in that: The invention comprises a roof layer 1 and a roof layer 2, wherein the roof layer 1 and the roof layer 2 are connected via an adjustable elevation support (5), the roof layer 1 is arranged below the roof layer 2 and is connected to the steel structure main body (1); the roof layer 1 comprises a roof layer 1 steel rectangular tube (2), and the roof layer 1 steel rectangular tube (2) is fixed on the steel structure main body (1); a bottom layer of corrugated steel plate (6) is arranged above the roof layer 1 steel rectangular tube (2); a thermal insulation rock wool (10) is also arranged above the bottom layer of corrugated steel plate (6), and a waterproof coiled material (7) and a gas barrier membrane (11) are arranged above and below the thermal insulation rock wool (10), respectively.

2. A double-layer metal roof structure according to claim 1, characterized in that: The bottom corrugated steel plate (6) is provided with a plurality of grooves, and glass wool (8) is arranged in the grooves.

3. A double-layer metal roof structure according to claim 1, characterized in that: A "J"-shaped support member (13) is also provided inside the thermal insulation rock wool (10) to provide support for the thermal insulation rock wool (10).

4. A double-layer metal roof structure according to claim 3, characterized in that: A surface layer corrugated steel plate is arranged above the waterproof coiled material (7), and the lower end of the adjustable elevation support (5) is fixed on the surface layer corrugated steel plate.

5. A double-layer metal roof structure according to claim 4, characterized in that: There are a plurality of surface layer corrugated steel plates, and the plurality of surface layer corrugated steel plates are connected via T-shaped supports (9).

6. A double-layer metal roof structure according to claim 1, characterized in that: The second roof layer comprises a second roof layer steel rectangular tube, and the second roof layer steel rectangular tube is connected to the upper end of the adjustable elevation support (5).

7. A double-layer metal roof structure according to claim 6, characterized in that: A honeycomb aluminum plate (14) is fixed above the second steel rectangular tube of the roof layer via an aluminum alloy angle bracket.

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