Composite steel net rack sandwich panel
The design of composite steel space frame sandwich panels solves the problems of low construction efficiency and unstable quality in traditional building construction, achieving efficient and stable construction and energy-saving and emission-reduction effects, and supporting the process of building industrialization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-31
AI Technical Summary
Traditional construction methods are inefficient, produce inconsistent quality, and are labor-intensive. Furthermore, traditional construction slabs cannot be prefabricated in factories, which affects construction efficiency and the progress of building industrialization.
The composite steel space frame sandwich panel structure is adopted, which includes an upper steel space frame and a lower steel space frame connected by fixing bolts. The sandwich core is made of nano-aerogel and polyurethane foam composite material, and the surface is coated with a fireproof and moisture-proof coating to form a stable spatial stress system, thereby improving the load-bearing capacity and thermal insulation performance.
It improved construction efficiency, enhanced the stability and aesthetics of buildings, reduced energy consumption, improved construction quality, and met the requirements of building industrialization.
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Figure CN224063781U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of clamping plate structure, especially relates to a composite steel net rack sandwich panel. BACKGROUND
[0002] With the importance of global environmental protection and sustainable development, the building industry is also facing the pressure of energy saving and emission reduction. The composite steel net rack sandwich panel has good heat preservation and insulation performance, can effectively reduce the energy loss of the building, reduce the heating and refrigeration energy consumption, and meet the development requirements of green building and energy saving building.
[0003] The traditional building construction mode has the problems of low efficiency, unstable quality and high labor intensity. Building industrialization and assembly become the development trend of the building industry, and the traditional building construction plate cannot be prefabricated in the factory, which increases the construction period and reduces the construction efficiency. UTILITY MODEL CONTENTS
[0004] In view of the above situation, the defects of low efficiency, unstable quality and high labor intensity of the prior art are overcome.
[0005] The technical scheme adopted by the utility model is as follows: a composite steel net rack sandwich panel, comprising an upper steel net rack and a lower steel net rack, the upper steel net rack and the lower steel net rack are fixedly connected through fixing bolts.
[0006] Further, the upper steel net rack edge is provided with a clamping groove one, and the lower steel net rack edge is provided with a clamping groove two matched with the clamping groove two.
[0007] Further, the upper steel net rack edge is provided with a clamping groove one, and the lower steel net rack edge is provided with a clamping groove two matched with the clamping groove two.
[0008] Further, the upper steel net rack is welded with a grid one in the middle, and the grid one is arranged in a shape of rhombus and hexagon alternately.
[0009] Further, the lower steel net rack is welded with a grid two in the middle, and the grid two is arranged in a shape of rhombus and hexagon alternately.
[0010] Further, the upper steel net rack and the lower steel net rack are provided with a sandwich panel therebetween, and the sandwich panel is made of a material composed of nano aerogel and polyurethane foam.
[0011] Further, the upper and lower ends of the sandwich panel are tightly combined with the upper steel net rack and the lower steel net rack through adhesive.
[0012] Further, the upper and lower surfaces of the sandwich panel are coated with a fireproof and moistureproof coating.
[0013] Further, the fireproof and moistureproof coating comprises a fireproof coating and a moistureproof coating, the fireproof coating adopts inorganic intumescent fireproof paint, and the moistureproof coating selects silicone waterproof paint.
[0014] After the above structure, the utility model has the advantages that:
[0015] The upper steel net rack mainly bears external load, and the grid shape is alternately arranged in diamond and hexagon, so that the load bearing capacity of the structure is improved and the aesthetic effect is increased. The lower steel net rack is used as a supporting structure, and the grid shape is alternately arranged in diamond and hexagon, so that the stability of the whole is ensured. The upper and lower steel net racks are connected through fixing bolts to form a stable space stress system, and the sandwich between the upper and lower steel net racks improves the fireproof performance and prevents moisture penetration. BRIEF DESCRIPTION OF DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model.
[0017] Figure 1 It is a whole structure schematic view of the utility model;
[0018] Figure 2 It is a whole structure explosion schematic view of the utility model;
[0019] Figure 3 It is a part structure schematic view of the utility model Figure 1 ;
[0020] Figure 4 It is a part structure schematic view of the utility model Figure 2 ;
[0021] Figure 5 It is a part structure schematic view of the utility model Figure 3 ;
[0022] Figure 6 It is an A part enlarged view of Figure 3 ;
[0023] Figure 7 It is a B part enlarged view of Figure 4 .
[0024] In the drawings: 1, upper steel net rack, 2, lower steel net rack, 3, fixing bolt, 4, sandwich, 5, clamping groove one, 6, clamping groove two, 7, positioning hole one, 8, positioning hole two, 9, grid one, 10, grid two, 11, fireproof and moistureproof coating. DETAILED DESCRIPTION
[0025] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0026] It should be noted that, in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0027] As Figures 1-2 As shown in 3-4-5-6-7, a composite steel truss sandwich panel, which comprises an upper steel truss 1 and a lower steel truss 2, the upper steel truss 1 and the lower steel truss 2 are fixedly connected through fixing bolts 3, a sandwich 4 is arranged between the upper steel truss 1 and the lower steel truss 2, the sandwich 4 is made of a material composed of nanometer aerogel and polyurethane foam, and the upper and lower ends of the sandwich 4 are tightly combined with the upper steel truss 1 and the lower steel truss 2 through adhesives.
[0028] Among them, the upper steel truss 1 edge is provided with a clamping groove one 5, the lower steel truss edge is provided with a clamping groove two 6 matched with the clamping groove two 6, the upper steel truss 1 edge is provided with a positioning hole one 7 at intervals, the lower steel truss 2 edge is provided with a positioning hole two 8 communicated with the positioning hole one 7, the fixing bolts 3 are inserted through the positioning hole one 7 and the positioning hole two 8, the upper steel truss 1 is welded with a grid one 9 in the middle, the grid one 9 is arranged in a shape of rhombus and hexagon alternately, the lower steel truss 2 is welded with a grid two 10 in the middle, the grid two 10 is arranged in a shape of rhombus and hexagon alternately, the upper steel truss 1 mainly bears external load, the upper steel truss 1 adopts new type high-strength galvanized steel, the shape of the grid one 9 is rhombus and hexagon alternately, this combination can not only improve the bearing capacity of the structure, but also increase the aesthetic effect. The lower steel truss 2 serves as a supporting structure to ensure the stability of the whole. The upper steel truss 1 and the lower steel truss 2 are connected through the vertical fixing bolts 3 to form a stable space stress system.
[0029] The sandwich 4 is coated with a fireproof and moistureproof coating 11 on the upper and lower surfaces, the fireproof and moistureproof coating 11 comprises a fireproof coating and a moistureproof coating, the fireproof coating adopts inorganic intumescent fire retardant coating, and the moistureproof coating selects silicone waterproof paint; a material formed by compounding new type nano aerogel and polyurethane foam is selected as the sandwich 4. The nano aerogel has extremely low thermal conductivity, can effectively prevent heat transfer, and provides excellent heat preservation and insulation performance; the polyurethane foam has good toughness and impact resistance, and enhances the overall strength of the sandwich 4 plate. The sandwich 4 material is tightly combined with the upper and lower layer steel net frames through a special adhesive, ensures that the three work together, and the fireproof and moistureproof coating 11 is coated on the outer surface of the sandwich 4. The fireproof coating adopts inorganic intumescent fire retardant coating, rapidly expands to form a heat insulation layer when on fire, prevents the spread of fire, and improves the fireproof performance of the sandwich 4 plate. The moistureproof coating selects silicone waterproof paint, can effectively prevent water penetration, and protects the sandwich 4 material and the steel net frame from damp corrosion.
[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents. In general, if a person skilled in the art is inspired by it, without departing from the purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.
Claims
1. A composite steel grid sandwich panel, characterised in that: Including upper steel grid (1) and lower steel grid (2), the upper steel grid (1) and lower steel grid (2) are fixedly connected through fixing bolt (3), the upper steel grid (1) and lower steel grid (2) are equipped with sandwich (4) between them; The upper steel grid (1) is welded with grid one (9) in the middle, the grid one (9) is arranged in the shape of rhombus and hexagon alternately, the lower steel grid (2) is welded with grid two (10) in the middle, the grid two (10) is arranged in the shape of rhombus and hexagon alternately.
2. The composite steel grid sandwich panel according to claim 1, characterized in that: The upper steel grid (1) is provided with clamping groove one (5) at the edge, the lower steel grid (2) is provided with clamping groove two (6) matched with clamping groove two (6) at the edge.
3. The composite steel grid sandwich panel according to claim 2, characterized in that: The upper steel grid (1) is provided with positioning hole one (7) at the edge, the lower steel grid (2) is provided with positioning hole two (8) communicated with positioning hole one (7) at the edge, the fixing bolt (3) is inserted through the positioning hole one (7) and positioning hole two (8).
4. The composite steel grid sandwich panel according to claim 1, characterized in that: The sandwich (4) is made of material composed of nano aerogel and polyurethane foam.
5. The composite steel grid sandwich panel according to claim 4, characterized in that: The upper and lower ends of the sandwich (4) are tightly combined with the upper steel grid (1) and the lower steel grid (2) through adhesive respectively.
6. The composite steel grid sandwich panel according to claim 5, characterized in that: The upper and lower surfaces of the sandwich (4) are coated with fireproof and moistureproof coating (11).
7. The composite steel grid sandwich panel according to claim 6, characterized in that: The fireproof and moistureproof coating (11) comprises fireproof coating and moistureproof coating, the fireproof coating is made of inorganic intumescent fireproof paint, and the moistureproof coating is made of organic silicon waterproof paint.