Hole reinforcement for autoclaved aerated concrete hollow slab internal partition wall

Abstract

The utility model relates to the technical field of hollow slabs, and discloses an autoclaved aerated concrete hollow slab inner partition wall hole reinforcing device which comprises a hollow slab body, a square groove is formed in the hollow slab body, C-shaped steel is arranged on the two sides of the interior of the square groove, and cavity grooves are formed in the two ends of the inner wall of the square groove. Edge grooves are formed in the two ends of the interior of the hollow slab body. According to the hole reinforcing device for the autoclaved aerated concrete hollow slab inner partition wall, firstly, the cross-recessed round-head padded bolt and the screw rod penetrate into the flat washer and then penetrate into the C-shaped steel, so that pressure generated during fastening is dispersed, the steel clamping plate with the threaded hole provided with threads is screwed into the middle of the screw rod, and the screw rod is screwed into the C-shaped steel to fasten the hole of the autoclaved aerated concrete hollow slab inner partition wall. After installation is completed, the steel clamping plate is vertically placed in the cut edge groove in the cutting direction of the edge groove, the C-shaped steel is connected with the hollow slab body, an electric screw machine is used for tightening the combined bolt, and the effect of reinforcing the hole is achieved through the same-direction pulling force between the steel clamping plate and the C-shaped steel.

Description

Technical Field

[0001] This utility model relates to the field of hollow slab technology, and in particular to a method for reinforcing openings in the internal partition walls of autoclaved aerated concrete hollow slabs. Background Technology

[0002] Autoclaved aerated concrete (AAC) hollow core slabs are lightweight, inexpensive, highly industrialized, quick to construct, and require minimal technical expertise. They are widely used as interior partitions in various public and civil buildings with concrete and steel structures. However, due to requirements for electricity supply, decoration, and other uses, openings are often made in the interior partition walls. These openings weaken the continuity of the slabs and reduce the cross-sectional area of ​​the wall panels, causing stress concentration at the openings. This can lead to wall panel cracks, opening collapse, and other problems affecting usability and safety. Therefore, it is necessary to reinforce the openings in AAC hollow core slab interior partition walls to ensure their normal use and safety.

[0003] Autoclaved aerated concrete (AAC) hollow core slabs are lightweight, inexpensive, highly industrialized, quick to construct, and have low technical requirements. They are widely used as interior partitions in various public and civil buildings with concrete and steel structures. However, due to the requirements of electricity use, decoration, etc., openings are needed in the interior partition walls. These openings weaken the continuity of the slabs and reduce the cross-sectional area of ​​the wall panels. This causes stress concentration at the openings in the AAC hollow core slabs, which in turn leads to wall panel cracks, opening collapse, and other problems that affect use and safety. Summary of the Invention

[0004] The technical problem to be solved by this utility model is that the existing technology has the disadvantage that the integrity of autoclaved aerated concrete hollow walls is weakened and the stability is worse after openings are made. To this end, we propose a method for reinforcing openings in the internal partition walls of autoclaved aerated concrete hollow slabs.

[0005] To achieve the above objectives, this application adopts the following technical solution: a method for reinforcing openings in the internal partition walls of autoclaved aerated concrete hollow slabs, comprising a hollow slab body, a square groove inside the hollow slab body, C-shaped steel on both sides of the square groove, hollow grooves at both ends of the inner wall of the square groove, side grooves at both ends of the hollow slab body, a screw rod on the side of the C-shaped steel near the inside of the square groove, a threaded hole inside the screw rod, a cross-groove round-headed washer bolt fixedly connected to one side of the screw rod, an insertion hole on one side of the C-shaped steel, a steel retaining plate on the outer diameter of the screw rod, and the inner diameter of the threaded hole being adapted to the size of the screw rod.

[0006] Preferably, the outer diameter of the screw is adapted to the inner diameter of the socket.

[0007] Preferably, the outer diameter of the screw is provided with a flat washer.

[0008] Preferably, the C-shaped steel is made of aluminum alloy.

[0009] Preferably, the length of the steel plate is greater than the diameter of the side groove cavity.

[0010] The technical effects and advantages of this utility model are as follows:

[0011] In this invention, when reinforcing the side groove, first, insert the cross-groove round-headed bolt with washer and screw into the flat washer, and then insert it into the C-shaped steel. The flat washer can increase the contact area between the cross-groove round-headed bolt with washer and the C-shaped steel, thereby dispersing the pressure generated during tightening and preventing the surface of the C-shaped steel from being damaged due to excessive local pressure. After completing the above connection steps, screw the steel clamp plate with threaded holes into the middle of the screw. After installation, vertically place the steel clamp plate into the cut side groove along the cutting direction of the side groove, connect the C-shaped steel to the hollow plate body, and tighten the combination bolts with an electric screwdriver. The same-direction tensile force between the steel clamp plate and the C-shaped steel achieves the effect of reinforcing the opening. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the side groove of this utility model;

[0014] Figure 3 This is a schematic diagram of the steel pallet structure of this utility model;

[0015] Figure 4 This is a schematic diagram of the internal structure of the steel pallet of this utility model;

[0016] Figure 5 This is a schematic diagram of the C-shaped steel structure of this utility model.

[0017] Legend: 1. Hollow plate body; 2. Square groove; 3. C-shaped steel; 4. Hollow cavity groove; 5. Side groove; 6. Screw; 7. Steel clamping plate; 8. Flat washer; 9. Threaded hole; 10. Cross-groove round head bolt with washer; 11. Insertion hole. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0019] Reference Figure 1 - Figure 5As shown, this utility model provides a technical solution: a method for reinforcing openings in the internal partition walls of autoclaved aerated concrete hollow slabs, comprising a hollow slab body 1, a square groove 2 inside the hollow slab body 1, C-shaped steel 3 on both sides inside the square groove 2, hollow grooves 4 at both ends of the inner wall of the square groove 2, and side grooves 5 at both ends inside the hollow slab body 1, a screw 6 on the side of the C-shaped steel 3 near the inside of the square groove 2, a threaded hole 9 inside the screw 6, a cross-groove round-headed washer 10 fixedly connected to one side of the screw 6, an insertion hole 11 on one side of the C-shaped steel 3, a steel clamping plate 7 on the outer diameter of the screw 6, the inner diameter of the threaded hole 9 matching the size of the screw 6, a flat washer 8 on the outer diameter of the screw 6, and the length of the steel clamping plate 7... The diameter is greater than the cavity diameter of the side groove 5. When reinforcing the side groove 5, first insert the cross-groove round-headed washer bolt 10 with the screw 6 into the flat washer 8, and then insert it into the C-shaped steel 3. The flat washer 8 can increase the contact area between the cross-groove round-headed washer bolt 10 and the C-shaped steel 3, thereby dispersing the pressure generated during tightening and preventing the surface of the C-shaped steel 3 from being damaged due to excessive local pressure. After completing the above connection steps, screw the threaded steel plate 7 with the threaded hole 9 into the middle of the screw 6. After installation, vertically place the steel plate 7 into the cut side groove 5 along the cutting direction of the side groove 5, connect the C-shaped steel 3 to the hollow plate body 1, and tighten the combination bolts with an electric screwdriver. The same tensile force between the steel plate 7 and the C-shaped steel 3 is used to achieve the effect of reinforcing the opening.

[0020] Reference Figure 1 - Figure 5 As shown in this embodiment, the outer diameter of the screw 6 is adapted to the inner diameter of the socket 11. By adapting the outer diameter of the screw 6 to the inner diameter of the socket 11, it is ensured that the screw 6 and the socket 11 can be tightly connected, thereby improving the stability and sealing of the overall structure, as well as increasing the service life and operating efficiency of the equipment.

[0021] Reference Figure 1 - Figure 5 As shown in this embodiment, the C-shaped steel 3 is made of aluminum alloy. By using aluminum alloy for the C-shaped steel 3, the portability and durability of the equipment are ensured. The use of aluminum alloy not only reduces the overall weight, making it easier to transport and install, but also provides good corrosion resistance and extends the service life of the equipment.

[0022] Working principle:

[0023] First, insert the cross-shaped round head bolt 10 with the threaded rod 6 into the flat washer 8, and then insert it into the threaded hole 9 of the C-shaped steel 3, with the flange of the C-shaped steel 3 facing the far end of the threaded rod 6.

[0024] The second step is to screw the steel clamping plate 7 with the screw 6 into the far end of the cross-groove round head bolt 10 with the screw 6;

[0025] The third step is to align the C-shaped steel 3 with the hollow plate body 1, align the long side of the steel clamp 7 with the length of the cavity of the side groove 5, and place the steel clamp 7 into the cavity of the side groove 5 inside the cut-off hollow plate body 1.

[0026] The fourth step is to tighten the cross-groove round-headed washer bolt 10 with screw 6. The screw 6 drives the steel clamping plate 7 to rotate. Because the length of the steel clamping plate 7 is greater than the diameter of the side groove 5, it is clamped on the cavity wall, thereby making the cross-groove round-headed washer bolt 10 with screw 6 attach and fasten the C-shaped steel 3 to the hollow plate body 1, thus completing the reinforcement of the opening.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A method for reinforcing openings in the internal partition walls of autoclaved aerated concrete hollow slabs, comprising a hollow slab body (1), characterized in that: The hollow plate body (1) has a square groove (2) inside. C-shaped steel (3) is provided on both sides of the square groove (2). Hollow grooves (4) are provided at both ends of the inner wall of the square groove (2). Side grooves (5) are provided at both ends of the hollow plate body (1). A screw (6) is provided on the side of the C-shaped steel (3) near the inside of the square groove (2). A cross-groove round head bolt (10) is fixedly connected to one side of the screw (6). An insertion hole (11) is provided on one side of the C-shaped steel (3). A steel clamp (7) is provided on the outer diameter of the screw (6). A threaded hole (9) is provided inside the screw (6). The inner diameter of the threaded hole (9) is adapted to the size of the screw (6).

2. The method for reinforcing openings in the internal partition walls of autoclaved aerated concrete hollow slabs according to claim 1, characterized in that: The outer diameter of the screw (6) is adapted to the inner diameter of the socket (11).

3. The method for reinforcing openings in the internal partition walls of autoclaved aerated concrete hollow slabs according to claim 1, characterized in that: The outer diameter of the screw (6) is provided with a flat washer (8).

4. The method for reinforcing openings in the internal partition walls of autoclaved aerated concrete hollow slabs according to claim 1, characterized in that: The C-shaped steel (3) is made of aluminum alloy.

5. The method for reinforcing openings in the internal partition walls of autoclaved aerated concrete hollow slabs according to claim 3, characterized in that: The length of the steel plate (7) is greater than the cavity diameter of the side groove (5).

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