Autoclaved aerated concrete slab fixing structure

Abstract

The utility model discloses an autoclaved aerated concrete slab fixing structure, which is used for fixing an ALC (autoclaved aerated concrete) slab on a structural body and comprises L-shaped angle steel and an adapter, a first end of the L-shaped angle steel is connected with the structural body, a first end of the adapter is connected with a second end of the L-shaped angle steel, and a second end of the adapter is connected with the ALC slab. According to the utility model, the adapter is used for replacing the traditional exposed hook bolt for welding, so that the visible-welding-point-free fixation of the ALC plate and the structural body is realized. And the load of the ALC plate is transmitted to a structural body by utilizing the combination of the L-shaped angle steel and the adapter, so that the cracking of the plate caused by local stress concentration is avoided.

Description

Technical Field

[0001] This utility model relates to the field of fixing technology for autoclaved aerated concrete (AAC) panels, and specifically to a fixing structure for AAC panels. Background Technology

[0002] Autoclaved Lightweight Concrete (ALC) panels, also known as ALC panels, are lightweight, high-strength, and energy-saving building materials that have been widely used in green building, prefabricated building, and ultra-low energy consumption building fields in recent years.

[0003] Because this board is made of a mixture of siliceous materials (such as quartz sand and fly ash) and calcareous materials (cement and lime), and has a porous structure formed inside after autoclaving, it has low tensile strength and poor resistance to earthquakes and impacts. It is mainly used in the interior of low-rise buildings, where the load is mainly borne by structural columns, and is used for interior partitions and infill walls in small spaces.

[0004] Currently, ALC (Automatic Laying Cement) connection methods on the market are divided into traditional masonry installation and dry mechanical fixing. Traditional masonry installation involves first setting tie bars and connecting them to structural columns or ring beams, then using special thin-layer mortar for masonry, which is inefficient and has high labor costs. Dry mechanical fixing uses L-shaped angle steel or U-shaped clips, which are connected to the structure through mechanical anchors. The panels are then welded to the L-shaped angle steel or U-shaped clips with hook bolts to complete the panel fixing. Construction is convenient, but the welded surfaces of the hook bolts are exposed, affecting the overall aesthetics. Utility Model Content

[0005] The purpose of this invention is to provide a fixing structure for autoclaved aerated concrete (AAC) panels to solve the problems mentioned in the background section.

[0006] To solve the above-mentioned technical problems, this utility model provides a fixing structure for autoclaved aerated concrete (AAC) panels, which is used to fix AAC panels to a structure. It includes an L-shaped angle steel and an adapter. The first end of the L-shaped angle steel is connected to the structure, the first end of the adapter is connected to the second end of the L-shaped angle steel, and the second end of the adapter is connected to the AAC panel.

[0007] Furthermore, the first end of the L-shaped angle steel is connected to the structure via a mechanical anchor bolt.

[0008] Furthermore, the first end of the adapter has a longitudinal adjustment hole, and it is connected to the second end of the L-shaped angle steel by a first bolt, with the threaded end of the first bolt passing through the longitudinal adjustment hole.

[0009] Furthermore, the second end of the adapter has a lateral adjustment hole and is connected to the ALC plate by a second bolt, the threaded end of the second bolt passing through the lateral adjustment hole.

[0010] Furthermore, a washer is provided between the nut end of the first bolt and the first end of the adapter.

[0011] The beneficial effects of this utility model are as follows: This utility model replaces the traditional exposed hook bolt welding with an adapter, achieving a fixation between the ALC plate and the structure without visible welding points. By utilizing the combination of L-shaped angle steel and the adapter, the load of the ALC plate is transferred to the structure, avoiding local stress concentration that could lead to plate cracking. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model.

[0013] Figure 2 This is an exploded structural diagram of an embodiment of the present invention.

[0014] Figure 3 This is a three-dimensional structural diagram of the adapter according to an embodiment of the present utility model.

[0015] Figure 4 This is a schematic diagram of the cross-sectional structure of an embodiment of the present utility model.

[0016] Figure 5 This is a longitudinal cross-sectional view of an embodiment of the present invention.

[0017] The components are: 1. ALC plate; 2. Structure; 3. L-shaped angle steel; 4. Adapter; 5. Mechanical anchor bolt; 6. Longitudinal adjustment hole; 7. First bolt; 8. Lateral adjustment hole; 9. Second bolt; 10. Gasket. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only one embodiment of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] To make the objectives, technical solutions and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments.

[0020] In the following description, references to "an embodiment," "an embodiment," "an example," "example," etc., indicate that the described embodiment or example may include a particular feature, structure, characteristic, property, element, or limitation, but not every embodiment or example necessarily includes that particular feature, structure, characteristic, property, element, or limitation. Furthermore, the repeated use of the phrase "an embodiment according to this application," while possibly referring to the same embodiment, does not necessarily refer to the same embodiment.

[0021] like Figure 1-5 As shown, this utility model discloses a fixing structure for autoclaved aerated concrete (AAC) panels, used to fix AAC panels 1 onto a structure 2. It includes an L-shaped angle steel 3 and a connector 4. The first end of the L-shaped angle steel 3 is connected to the structure 2, the first end of the connector 4 is connected to the second end of the L-shaped angle steel 3, and the second end of the connector 4 is connected to the AAC panel 1.

[0022] During installation, firstly, fix the first end of the L-shaped angle steel 3 to the structure 2, ensuring verticality and horizontality. Then, connect the first end of the adapter 4 to the second end of the L-shaped angle steel 3 using bolts or clips, leaving room for adjustment. Finally, embed metal channels or drill holes in the ALC plate 1 for connection to the anchors (such as hex bolts or chemical anchors) at the second end of the adapter 4, achieving modular assembly without welding.

[0023] This invention replaces the traditional exposed hook bolt welding with an adapter 4, achieving a fixation between the ALC plate 1 and the structure 2 without visible welding points. The combination of the L-shaped angle steel 3 and the adapter 4 transfers the load of the ALC plate 1 to the structure 2, preventing localized stress concentration that could lead to plate cracking.

[0024] In one embodiment, the first end of the L-shaped angle steel 3 is connected to the structure 2 by mechanical anchor bolts 5. In this embodiment, there are two mechanical anchor bolts 5, which are installed in parallel on the L-shaped angle steel 3 and connected to the structure 2.

[0025] In one embodiment, the first end of the adapter 4 has a longitudinal adjustment hole 6, and it is connected to the second end of the L-shaped angle steel 3 by a first bolt 7. The threaded end of the first bolt 7 passes through the longitudinal adjustment hole 6. The longitudinal adjustment hole 6 is a long hole that runs longitudinally through the structure, allowing the adapter 4 to move horizontally and adjust the contact area between the adapter 4 and the L-shaped angle steel 3, thereby compensating for construction errors of the structure 2 (such as concrete pouring deviations and steel structure welding deformation) and ensuring precise alignment of the ALC plate 1 during installation. In this embodiment, there are two first bolts 7, which are installed in parallel on the adapter 4.

[0026] In one embodiment, the second end of the adapter 4 has a lateral adjustment hole 8, which is connected to the ALC plate 1 via a second bolt 9. The threaded end of the second bolt 9 passes through the lateral adjustment hole 8. The lateral adjustment hole 8 is an elongated hole extending laterally, allowing the ALC plate 1 to move horizontally and adjust the distance between the ALC plate 1 and the structural component to fine-tune the horizontal position of the ALC plate 1, ensuring aligned panel seams and a flat surface. This helps compensate for dimensional errors during plate production or slight misalignments caused by improper operation during installation.

[0027] In one embodiment, a washer 10 is provided between the nut end of the first bolt 7 and the first end of the adapter 4. In this embodiment, there are two washers 10, corresponding one-to-one with the two first bolts 7. The washer 10 increases the contact area of ​​the bolt clamping surface, evenly distributing the concentrated stress of the nut to the surface of the adapter 4, thus preventing the first bolts 7 from loosening.

[0028] The installation process of this utility model embodiment is as follows:

[0029] First, the L-shaped angle steel 3 is precisely positioned using a positioning device and fixed using mechanical anchor bolts 5. Then, the adapter 4 is placed on the L-shaped angle steel 3, and the shim 10 is placed on the adapter 4. The first bolt 7 is screwed into the longitudinal adjustment hole 6 to initially fix the adapter 4. After the ALC plate 1 is in place, the threaded end of the second bolt 9 is passed through the transverse adjustment hole 8 and fixed to the ALC plate 1. Fine three-dimensional adjustments to the ALC plate 1 are achieved using the longitudinal adjustment hole 6 and the transverse adjustment hole 8. After adjustment, the first bolt 7 and the second bolt 9 are tightened. In other words, the ALC plate 1 achieves three-way adjustment through the longitudinal adjustment hole 6 and the transverse adjustment hole 8 on the adapter 4, thus completing the positioning and installation.

[0030] This embodiment completely eliminates welding during the installation process, employing mechanical cold connections. This not only avoids quality risks such as thermal deformation and plating damage, but also ensures a clean and aesthetically pleasing facade through concealed node design. The simplified construction process also improves construction precision, enhancing the overall quality through attention to detail.

[0031] In other embodiments, such as in large-span spatial applications, the component-type keel system in curtain wall engineering is organically integrated with the ALC panel 1 installation technology. A suitable supporting keel system is designed after stress calculations, selecting steel or aluminum alloy to replace the structural function of traditional structural columns. The supports of ALC panels 1 can be directly fixed to the main keel system, and the installation accuracy can be adjusted through the aforementioned three-dimensional adjustable fixing structure, thereby achieving a column-free continuous wall effect of up to 12 meters. This breaks through the spatial limitations of traditional small-space partitioning methods, providing a completely new enclosure option for large-span buildings such as exhibition halls and factories.

[0032] This invention replaces the traditional exposed hook bolt welding with an adapter 4, achieving a fixation between the ALC plate 1 and the structure 2 without visible welding points. The combination of the L-shaped angle steel 3 and the adapter 4 transfers the load of the ALC plate 1 to the structure 2, preventing localized stress concentration that could lead to plate cracking.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use this invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, this invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fixing structure for autoclaved aerated concrete (AAC) panels, used to fix AAC panels to a structure, characterized in that: It includes an L-shaped angle steel and an adapter. The first end of the L-shaped angle steel is connected to the structure, the first end of the adapter is connected to the second end of the L-shaped angle steel, and the second end of the adapter is connected to the ALC plate.

2. The autoclaved aerated concrete (AAC) slab fixing structure according to claim 1, characterized in that: The first end of the L-shaped angle steel is connected to the structure by a mechanical anchor bolt.

3. The autoclaved aerated concrete (AAC) slab fixing structure according to claim 1, characterized in that: The first end of the adapter has a longitudinal adjustment hole and is connected to the second end of the L-shaped angle steel by a first bolt, with the threaded end of the first bolt passing through the longitudinal adjustment hole.

4. The autoclaved aerated concrete (AAC) slab fixing structure according to claim 1, characterized in that: The second end of the adapter has a lateral adjustment hole and is connected to the ALC plate by a second bolt, the threaded end of the second bolt passing through the lateral adjustment hole.

5. The autoclaved aerated concrete (AAC) slab fixing structure according to claim 3, characterized in that: A washer is provided between the nut end of the first bolt and the first end of the adapter.

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