Fabricated ALC light wallboard and mounting method thereof

Abstract

The invention relates to the technical field of building materials, in particular to a fabricated ALC light wallboard and a mounting method thereof.The fabricated ALC light wallboard comprises a bottom support unit arranged on the ground, the bottom support unit comprises a bottom support frame arranged on the ground, the bottom support frame is of a U-shaped structure with an upward opening, and a plurality of clamping parts are mounted on the front side wall and the rear side wall of the bottom support frame; the assembly type ALC light wallboard further comprises a plurality of wallboard units, and the wallboard units are evenly distributed on the bottom support unit. According to the wallboard bodies, the clamping protrusions are matched with the clamping grooves, the elastic clamping structures of the buckling parts and sealant are combined, the adjacent wallboard bodies can be rapidly connected, smearing of a traditional binder and waiting for solidification are not needed, positioning installation of the bottom supporting units and the top supporting parts is completed through preset drilled holes and standardized connecting pieces, and the installation efficiency is greatly improved. And the limiting plate and the back shore frame are matched to synchronously limit the installed wallboard body, repeated adjustment is avoided, and the overall construction efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of building materials technology, and in particular to a prefabricated ALC lightweight wall panel and its installation method. Background Technology

[0002] ALC lightweight wall panels are a high-performance green building material made from raw materials such as silica sand, cement, and lime through high-pressure steam curing. They are reinforced with steel bars and have comprehensive advantages such as lightweight, high strength, fire resistance, and heat insulation. They are widely used in the construction industry.

[0003] The existing installation steps for ALC lightweight wall panels are as follows: First, according to the design drawings, positioning lines for the wall panel installation are drawn on the ground, ceiling, and side walls. Then, multiple people work together to vertically lift the wall panel, align it with the positioning lines, and slowly insert it into the predetermined position. The bottom is temporarily fixed with wooden wedges. This step is repeated to align and splice multiple wall panels. After the verticality of the wall panels is corrected, dry-hardened cement mortar is inserted into the bottom gaps, excess wooden wedges are removed, and the gaps are filled with mortar. After the wall panels are installed, the joints are checked, and any gaps are filled with a special adhesive and the surface is smoothed. However, existing wall panels are usually spliced ​​using a tongue-and-groove joint method in conjunction with adhesive. The wall panels are connected, and after connection, their position needs to be adjusted to ensure they are vertical. The adhesive requires approximately 24 hours to initially set before the next step can be carried out, which greatly reduces the efficiency of wall panel assembly. The U-shaped clips and L-shaped corner brackets used to connect the wall panels to the main structure are independent of each other, and the bottom of the wall panels is usually only fixed with cement mortar. When the external temperature changes, foundation settlement, or external impact occurs, stress concentration can easily cause the connection nodes to loosen, which in turn can lead to cracking at the connection between adjacent wall panels or a decrease in overall stability, which will be visible as cracks on the painted wall surface.

[0004] Therefore, there is an urgent need to provide an ALC lightweight wall panel that can improve the installation efficiency and stability of the wall panel. Summary of the Invention

[0005] Therefore, it is necessary to provide a prefabricated ALC lightweight wall panel and its installation method, which aims to solve the problems of low assembly efficiency and low stability of existing prefabricated ALC lightweight wall panels during installation.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a prefabricated ALC lightweight wall panel, comprising: a base support unit set on the ground, the base support unit including a base support frame set on the ground, the base support frame having an upward-opening U-shaped structure, and multiple snap-fit ​​parts installed on the front and rear side walls of the base support frame.

[0007] The prefabricated ALC lightweight wall panel also includes wall panel units, which are arranged in multiple and evenly distributed on the base support unit. Each wall panel unit includes a wall panel body that is inserted into the base support frame. Two buckle parts are symmetrically arranged on the wall panel body, and multiple hanging rods are installed at both the front and rear ends of the wall panel body.

[0008] The two adjacent wall panels are quickly and securely connected by a snap-fit ​​mechanism.

[0009] The prefabricated ALC lightweight wall panel also includes a limiting unit. Multiple limiting units are provided and are located at the connection points of two adjacent wall panel bodies. Each limiting unit includes a top support portion located on the upper side of the connection point of two adjacent wall panel bodies, and side supports are connected to both the front and rear sides of the top support portion.

[0010] The interlocking fasteners provide primary restraint to two adjacent wall panels. The latching and top support at the connection point of the two adjacent wall panels provide secondary restraint to the connection point. The side support connected to the latching and top support on the same side provides tertiary restraint to the connection point. The side support connects the bottom support unit and the restraint unit as a whole. Through the tertiary restraint and the application of sealant to the contact surfaces of the two adjacent wall panels, the connection strength of the two adjacent wall panels is increased.

[0011] Preferably, the base support unit further includes multiple sets of connecting support components connected to the middle section of the base support frame, each set of connecting support components consisting of at least two connecting support components located below the corresponding wall panel body.

[0012] Preferably, the snap-fit ​​part includes a limiting plate installed on the upper end of the side wall of the bottom support frame. The limiting plate is located at the connection between two adjacent wall panel bodies, and a limiting screw is installed on the end of the limiting plate away from the wall panel body.

[0013] Preferably, the latching part includes two latching grooves symmetrically opened at the left and right ends of the wall panel body, one latching groove is installed in one latching groove and the other latching groove is installed in the other latching groove.

[0014] Preferably, the top support includes a top support frame with a U-shaped structure and an opening facing downwards, which is inserted into the upper end of the connection between two adjacent wall panel bodies. A locking member is connected to the middle section of the top support frame, and limit screws are installed at both the front and rear ends of the top support frame.

[0015] Preferably, the side support includes a side support plate with a Z-shaped structure. The side support plate is simultaneously fitted onto a limiting screw 1 and a limiting screw 2 on the same side. The middle section of the side support plate has an application hole. A reinforcing mesh is provided between the middle section of the side support plate and the wall panel body. The reinforcing mesh is simultaneously hung on multiple corresponding hanging rods.

[0016] Preferably, multiple evenly distributed connecting plates are installed at both ends of the middle section of the side support plate, and a connecting hole is opened in the middle of the connecting plate, which is inserted and matched with the corresponding hanging rod.

[0017] Preferably, one end of the wall panel body is provided with a snap-fit ​​protrusion, and the other end of the wall panel body is provided with a snap-fit ​​groove, the snap-fit ​​groove cooperating with the adjacent snap-fit ​​protrusion.

[0018] Preferably, the middle section of the base frame is provided with multiple through holes for the cement mortar to contact the ground.

[0019] In addition, the present invention also provides an installation method for prefabricated ALC lightweight wall panels, which specifically includes the following steps: S1: transporting the base support unit, wall panel unit and limiting unit to the construction position.

[0020] S2: Draw the positioning lines for wall panel installation on the ground, top surface, and side walls according to the design drawings.

[0021] S3: Install the base frame on the ground according to the position of the positioning line, and then select a wall panel body to install inside the base frame.

[0022] S4: Then install one top support at the corresponding position on the top surface, and then proceed with the installation of the next wall panel body. Repeat the installation steps of alternating top supports and wall panel bodies until all top supports and wall panel bodies are installed. Then connect the multiple side supports to the bottom support unit and the multiple top supports.

[0023] S5: After the installation of multiple side supports, fill the gaps at the top and bottom ends of the wall panel body with micro-expansion grout. Then, apply cement mortar evenly to the surface of the wall panel body. After the cement mortar has solidified, the installation of the prefabricated ALC lightweight wall panel is completed.

[0024] In summary, the present invention has the following beneficial effects: 1. The wall panel body of the present invention uses a snap-fit ​​protrusion and a snap-fit ​​groove to cooperate with the elastic snap-fit ​​structure of the snap-fit ​​part and the sealant, which can realize the rapid connection of adjacent wall panel bodies without the need to apply traditional adhesive and wait for curing. Furthermore, the positioning and installation of the bottom support unit and the top support part are completed through pre-drilled holes and standardized connectors. With the help of the limiting plate and the top support frame, the installed wall panel body is synchronously limited, reducing manual calibration steps, avoiding repeated adjustments, and improving the overall construction efficiency.

[0025] 2. The bottom support unit, top support, and side support used in this invention work together to simultaneously form a first-level limit at the bottom, a second-level limit at the top, and a third-level limit in the middle at the connection of adjacent wall panels. The multi-level limit at the connection of adjacent wall panels effectively improves the impact resistance of each area of ​​the wall panel after installation. Furthermore, the bottom support unit, top support, and side support are fixedly connected to each other, that is, the multi-level limit is fixedly connected to each other, which effectively avoids stress concentration and loosening of connection nodes, improves the integrity and stability of multiple installed wall panels, avoids the phenomenon of splitting at the connection of adjacent wall panels, and thus avoids cracks on the painted wall surface. Attached Figure Description

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0027] Figure 1 A three-dimensional structural schematic diagram of the present invention from a first perspective is shown.

[0028] Figure 2 A front view of the present invention is shown.

[0029] Figure 3 It shows Figure 2 Sectional view of AA.

[0030] Figure 4 A schematic diagram of the structure of the base unit of the present invention is shown.

[0031] Figure 5 A schematic diagram of the wall panel unit of the present invention is shown.

[0032] Figure 6 The diagram shows the structure of the top support frame, locking member, limiting screw, side support plate, coating hole and connecting plate of the present invention.

[0033] Figure 7 It shows Figure 5 A magnified view of region B in the middle.

[0034] The above-mentioned attached drawings include the following reference numerals: 1. Base support unit; 10. Base support frame; 11. Snap-fit ​​part; 110. Limiting plate; 111. Limiting screw one; 12. Connecting support; 13. Through hole; 2. Wall panel unit; 20. Wall panel body; 200. Snap-fit ​​protrusion; 201. Snap-fit ​​groove; 21. Buckle part; 210. Snap-fit ​​slot; 211. Buckle one; 212. Buckle two; 22. Hanging rod; 3. Limiting unit; 30. Top support part; 300. Top support frame; 301. Locking part; 302. Limiting screw two; 31. Side support part; 310. Side support plate; 311. Coating hole; 312. Reinforcing mesh; 313. Connecting plate. Detailed Implementation

[0035] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0036] See Figures 1-4 A prefabricated ALC lightweight wall panel includes a base support unit 1 set on the ground. The base support unit 1 includes a base support frame 10 set on the ground. The base support frame 10 has an upward-facing U-shaped structure. The base support unit 1 also includes multiple sets of connecting support members connected to the middle section of the base support frame 10. Each set of connecting support members consists of at least two connecting support members 12 located below the corresponding wall panel body 20.

[0037] In practice, according to the design drawings, the positioning lines for wall panel installation are drawn on the ground at the construction location. Then, drilling points corresponding to the multiple locking holes on the base frame 10 are marked on the positioning lines on the ground. The existing drilling machine is used to drill the holes. After drilling, multiple connecting support members 12 are placed in the holes in sequence. The connecting support members 12 are the existing expansion bolts. Then, the base frame 10 is moved to the positioning line. The multiple locking holes on the base frame 10 are connected to the multiple connecting support members 12. Then, the nuts on the connecting support members 12 are tightened in sequence. The connecting support members 12 are gradually locked in the holes and press and limit the base frame 10. It should be noted that the upper ends of the multiple connecting support members 12 after locking and limiting should be at the same height. The height of the upper end of the connecting support members 12 is adjusted by rotating the nuts on the connecting support members 12.

[0038] See Figure 1 , Figure 3 and Figure 5 The prefabricated ALC lightweight wall panel also includes multiple wall panel units 2 that are evenly distributed on the base support unit 1. Each wall panel unit 2 includes a wall panel body 20 that is inserted into the base support frame 10. One end of the wall panel body 20 is provided with a snap-fit ​​protrusion 200, and the other end of the wall panel body 20 is provided with a snap-fit ​​groove 201. The snap-fit ​​groove 201 cooperates with the adjacent snap-fit ​​protrusion 200.

[0039] See Figure 1 , Figure 3 , Figure 5 and Figure 6The prefabricated ALC lightweight wall panel also includes multiple limiting units 3 located at the connection points of two adjacent wall panel bodies 20. Each limiting unit 3 includes a top support 30 located on the upper side of the connection point of two adjacent wall panel bodies 20. The top support 30 includes a top support frame 300 with a U-shaped structure and an opening facing downwards, which is inserted into the upper end of the connection point of two adjacent wall panel bodies 20. A locking member 301 is connected to the middle section of the top support frame 300, and limiting screws 302 are installed at both the front and rear ends of the top support frame 300.

[0040] In practice, according to the design drawings, the positioning lines for wall panel installation are drawn on the top surface of the lower end of the structural beam at the construction location. Then, drilling points are marked at the corresponding positions on the positioning lines on the top surface. Drilling is then performed using an existing drilling machine. After the bottom support frame 10 is installed, a locking element 301 is first inserted into the drilled hole near the side wall. Then, the top support frame 300 is fitted onto the locking element 301, and the nut on the locking element 301 is rotated. The locking element 301 gradually tightens into the drilled hole, locking and limiting the top support frame 300. After locking and limiting, the top support frame 300... The upper end is tightly attached to the top surface. Then, a wall panel body 20 is inserted into the bottom support frame 10 by manual labor or existing hoisting equipment, and the wall panel body 20 is pushed until the wall panel body 20 is tightly attached to the side wall. The side wall has an insertion groove and a prefabricated existing connection structure that engages with the wall panel body 20, such as an angle steel seat or an H-plate. At this time, the engaging protrusion 200 of the wall panel body 20 engages with the insertion groove on the side wall. The upper end of the engaging groove 201 of the wall panel body 20 is located inside the top support frame 300, and the top support frame 300 limits the wall panel body 20.

[0041] See Figure 1 , Figure 4 and Figure 5 Multiple snap-fit ​​parts 11 are installed on the front and rear side walls of the base support frame 10. Each snap-fit ​​part 11 includes a limiting plate 110 installed on the upper end of the side wall of the base support frame 10. The limiting plate 110 is located at the connection between two adjacent wall panel bodies 20. A limiting screw 111 is installed on the end of the limiting plate 110 away from the wall panel body 20.

[0042] In practice, after the first wall panel body 20 is installed, the lower end of the snap-fit ​​groove 201 of the wall panel body 20 is located between the corresponding front and rear limiting plates 110. The top support frame 300 cooperates with the front and rear limiting plates 110 to realize the function of limiting the wall panel body 20 and ensuring that it is in a vertical state. There is no need to splice and then make fine adjustments by the construction personnel, which effectively reduces the installation steps of the wall panel body 20 and enhances the impact strength of the bottom of the wall panel body 20 after installation.

[0043] See Figure 1 , Figure 5 and Figure 7The wall panel body 20 is symmetrically provided with two snap-fit ​​parts 21. Two adjacent wall panel bodies 20 are quickly snapped together by the snap-fit ​​parts 21. The snap-fit ​​part 21 includes two snap-fit ​​grooves 210 symmetrically opened at the left and right ends of the wall panel body 20. One snap-fit ​​groove 210 is equipped with a snap-fit ​​first 211, and the other snap-fit ​​groove 210 is equipped with a snap-fit ​​second 212.

[0044] In practice, the structures of clip 1 211 and clip 2 212 are identical, both consisting of a rectangular plate and a right-angled triangular protrusion. Clip 1 211 and its counterpart clip 2 212 are centrally symmetrically distributed with the right-angled triangular protrusions facing each other. Both clip 1 211 and clip 2 212 are made of elastic steel and prefabricated on the wall panel body 20. After one wall panel body 20 is installed, the existing sealant is applied to the end of the snap-fit ​​protrusion 200 of the other wall panel body 20, and then it is inserted into the base support frame 10 in the same way. It pushes towards the installed wall panel body 20. In the moving state, the snap-fit ​​protrusion 200 of the wall panel body 20 engages with the snap-fit ​​groove 201 of the installed wall panel body 20. At the same time, in the moving state, the two latches 1 211 at the snap-fit ​​protrusion 200 of the wall panel body 20 engage with the two latches 212 at the snap-fit ​​groove 201 of the installed wall panel body 20. When the latches 1 211 and the latches 212 are engaged, the inclined surfaces of the two right-angled triangular protrusions push against each other and simultaneously cause the corresponding rectangular plates to bend, which is two A right-angled triangular protrusion provides space for movement. When the snap-fit ​​protrusion 200 and the snap-fit ​​groove 201 are tightly abutted, the two right-angled triangular protrusions separate. At the same time, the bent rectangular plate resets and drives the right-angled triangular protrusions to reset as well. At this time, the right-angled sides of the two right-angled triangular protrusions fit together, realizing the connection and limiting function of snap-fit ​​one 211 and snap-fit ​​two 212. The cooperation of snap-fit ​​one 211 and snap-fit ​​two 212 and the joint action of the sealant enable the two wall panel bodies 20 to be quickly connected without the need for contact between adjacent wall panel bodies 20. The adhesive is applied to the surface, eliminating the need to wait for the adhesive to cure after the two wall panel bodies 20 are installed, thus effectively improving the installation efficiency of the wall panel bodies 20. The first buckle 211 and the second buckle 212 cooperate to achieve the first-level limiting of the two adjacent wall panel bodies 20. The connection between the two adjacent wall panel bodies 20 is located between the corresponding top support frame 300 and the two corresponding front and rear limiting plates 110. The corresponding top support frame 300 and the two corresponding front and rear limiting plates 110 provide the second-level limiting of the two adjacent wall panel bodies 20.

[0045] After the second wall panel body 20 is installed, the next top support frame 300 is installed, and then the third wall panel body 20 is installed. The installation steps of the top support frame 300 and the wall panel body 20 are repeated alternately until all the top support frames 300 and the wall panel bodies 20 are installed. Then the existing edge sealing module is connected to the last wall panel body 20 installed. The side of the edge sealing module can be a door or window, or it can be attached to the side wall.

[0046] See Figure 5 The wall panel body 20 has multiple hanging rods 22 that are symmetrically distributed on both the front and rear ends.

[0047] See Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The top support 30 is connected to side support parts 31 on both the front and rear sides. The side support part 31 includes a side support plate 310 with a Z-shaped structure. The side support plate 310 is simultaneously sleeved and connected to the limiting screw 111 and the limiting screw 202 on the same side. The middle section of the side support plate 310 has a coating hole 311. A reinforcing mesh 312 is provided between the middle section of the side support plate 310 and the wall panel body 20. The reinforcing mesh 312 is simultaneously hung on multiple corresponding hanging rods 22. Multiple evenly distributed connecting plates 313 are installed at both the left and right ends of the middle section of the side support plate 310. The connecting plate 313 has a connecting hole in the middle, and the connecting hole is inserted and engaged with the corresponding hanging rod 22.

[0048] In practice, after the installation of multiple wall panel bodies 20, reinforcing mesh 312 is hung at both ends of the connection between two adjacent wall panel bodies 20. The reinforcing mesh 312 is hung on the corresponding multiple hanging rods 22. The reinforcing mesh 312 is the existing crack-resistant mesh. Then, multiple side support plates 310 are sequentially fitted onto the corresponding limiting screws 111 and 302. The side support plates 310 press the reinforcing mesh 312 to the connection between the two adjacent wall panel bodies 20. At the same time, the side support plates 310 drive the connecting holes on multiple connecting plates 313 to engage with the corresponding hanging rods 22. Then, multiple nuts are threaded onto the corresponding limiting screws 111 and 302. The side support plates 310 provide three-level limiting for the two adjacent wall panel bodies 20.

[0049] The side support plate 310 and the reinforcing mesh 312 work together to further improve the connection strength at the joint of two adjacent wall panel bodies 20, preventing structural displacement of the base layer due to stress or thermal expansion and contraction of the two adjacent wall panel bodies 20, and effectively preventing cracks from appearing in the wall panel bodies 20 after plastering. The side support plate 310 also connects the top support frame 300 and the limiting plate 110, so that the bottom support unit 1 and multiple limiting units 3 are connected as a whole, further strengthening the integrity of the multiple wall panel bodies 20 after installation and improving the impact resistance of the wall panel bodies 20.

[0050] See Figure 4 The middle section of the base frame 10 is also provided with a plurality of through holes 13, which are used for the cement mortar to contact the ground.

[0051] In practice, multiple wall panel bodies 20 located within the base support frame 10 are positioned above the connecting support 12, meaning the lower ends of multiple wall panel bodies 20 are at the same height, leaving space for mortar filling. Then, micro-expansion grout is filled into the space between the lower end of the wall panel body 20 and the base support frame 10. The micro-expansion grout contacts the ground through the through hole 13, thereby increasing the stability of the installation position of the base support frame 10 and further enhancing the impact resistance of the bottom of the wall panel body 20 after installation.

[0052] After filling the lower end of multiple wall panel bodies 20 with micro-expansion grout, the gap between the upper end of multiple wall panel bodies 20 and the top surface is filled with expanding foam or micro-expansion grout. Finally, cement mortar is applied to the surface of multiple wall panel bodies 20 to make it flat. The thickness of the cement mortar is adjusted according to actual needs. After the cement mortar has solidified, the installation of the prefabricated ALC lightweight wall panel is completed.

[0053] In addition, the present invention also provides an installation method for prefabricated ALC lightweight wall panels, which specifically includes the following steps: S1: transporting the base support unit 1, wall panel unit 2 and limiting unit 3 to the construction position.

[0054] S2: According to the design drawings, draw the positioning lines for the wall panel installation on the ground, top surface and side walls, and mark the drilling positions on the positioning lines, and then carry out the drilling process.

[0055] S3: Install the base support frame 10 on the ground using multiple connecting support members 12 according to the position of the positioning line, and then select a wall panel body 20 to install inside the base support frame 10.

[0056] S4: Then install a top support 30 at the corresponding position on the top surface, and then perform the installation operation of the next wall panel body 20. Repeat the installation steps of the top support 30 and the wall panel body 20 alternately until all the top support frames 300 and the wall panel bodies 20 are installed. Then connect the multiple side supports 31 to the bottom support unit 1 and the multiple top supports 30.

[0057] S5: After the multiple side supports 31 are installed, fill the gaps at the upper and lower ends of the wall panel body 20 with micro-expansion grout. Then, apply cement mortar evenly to the surface of the wall panel body 20. After the cement mortar has solidified, the prefabricated ALC lightweight wall panel installation is completed.

[0058] In the description of the embodiments of the present invention, it should be noted that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the embodiments of the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise stated, "a plurality of" means two or more.

[0059] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0060] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A prefabricated ALC lightweight wall panel, characterized in that: It includes a base support unit set on the ground, the base support unit including a base support frame set on the ground, and multiple snap-fit ​​parts are installed on the front and rear side walls of the base support frame; The wall panel unit is provided with multiple units that are evenly distributed on the base support unit. The wall panel unit includes a wall panel body that is inserted into the base support frame. Two buckle parts are symmetrically arranged on the wall panel body. Multiple hanging rods are installed at both the front and rear ends of the wall panel body and are symmetrically distributed on the left and right. Two adjacent wall panels can be quickly and securely connected via a snap-fit ​​mechanism. The limiting unit is provided in multiple locations at the connection points of two adjacent wall panel bodies. The limiting unit includes a top support portion located on the upper side of the connection point of two adjacent wall panel bodies, and side support portions are connected to both the front and rear sides of the top support portion. The interlocking parts provide primary restraint for two adjacent wall panels, the snap-fit ​​parts and the top support parts provide secondary restraint for the connection between two adjacent wall panels, and the side support parts connected to the snap-fit ​​parts and the top support parts on the same side provide tertiary restraint for the connection between two adjacent wall panels. The side support parts also connect the bottom support unit and the restraint unit as a whole. Through the tertiary restraint and the application of sealant to the contact surfaces of two adjacent wall panels, the connection strength between the two adjacent wall panels is increased.

2. The prefabricated ALC lightweight wall panel according to claim 1, characterized in that: The base support unit also includes multiple sets of connecting support components connected to the middle section of the base support frame. Each set of connecting support components consists of at least two connecting support components located below the corresponding wall panel body.

3. The prefabricated ALC lightweight wall panel according to claim 1, characterized in that: The snap-fit ​​part includes a limiting plate installed on the upper end of the side wall of the bottom support frame. The limiting plate is located at the connection between two adjacent wall panel bodies, and a limiting screw is installed on the end of the limiting plate away from the wall panel body.

4. The prefabricated ALC lightweight wall panel according to claim 1, characterized in that: The latching part includes two latching slots symmetrically opened at the left and right ends of the wall panel body, with latch one installed in one latching slot and latch two installed in the other latching slot.

5. The prefabricated ALC lightweight wall panel according to claim 3, characterized in that: The top support includes a top support frame with a U-shaped structure and an opening facing downwards, which is inserted into the upper end of the connection between two adjacent wall panels. A locking component is connected to the middle section of the top support frame, and limit screws are installed at both the front and rear ends of the top support frame.

6. The prefabricated ALC lightweight wall panel according to claim 5, characterized in that: The side support includes a side support plate with a Z-shaped structure. The side support plate is simultaneously fitted with a limiting screw 1 and a limiting screw 2 on the same side. The middle section of the side support plate has a coating hole. A reinforcing mesh is provided between the middle section of the side support plate and the wall panel body. The reinforcing mesh is simultaneously hung on multiple corresponding hanging rods.

7. The prefabricated ALC lightweight wall panel according to claim 6, characterized in that: Multiple evenly distributed connecting plates are installed at both ends of the middle section of the side support plate. A connecting hole is opened in the middle of the connecting plate, and the connecting hole is inserted and matched with the corresponding hanging rod.

8. The prefabricated ALC lightweight wall panel according to claim 1, characterized in that: One end of the wall panel body is provided with a snap-fit ​​protrusion, and the other end of the wall panel body is provided with a snap-fit ​​groove, which cooperates with the adjacent snap-fit ​​protrusion.

9. The prefabricated ALC lightweight wall panel according to claim 1, characterized in that: The middle section of the base frame is also provided with multiple through holes for the cement mortar to contact the ground.

10. A method for installing prefabricated ALC lightweight wall panels, characterized in that, The assembly is completed using the prefabricated ALC lightweight wall panel as described in claim 1, including the following steps: S1: Transport the base support unit, wall panel unit, and limiting unit to the construction location; S2: Draw the positioning lines for wall panel installation on the ground, top surface and side walls according to the design drawings; S3: Install the base frame on the ground according to the position of the positioning line, and then select a wall panel body to install inside the base frame; S4: Then install one top support at the corresponding position on the top surface, and then proceed with the installation of the next wall panel body. Repeat the installation steps of alternating top supports and wall panel bodies until all top supports and wall panel bodies are installed. Then connect the multiple side supports to the bottom support unit and the multiple top supports. S5: After the installation of multiple side supports, fill the gaps at the top and bottom ends of the wall panel body with micro-expansion grout. Then, apply cement mortar evenly to the surface of the wall panel body. After the cement mortar has solidified, the installation of the prefabricated ALC lightweight wall panel is completed.

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