An assembled design structure of a large-span high-strength rock wool sandwich panel curtain wall

Abstract

The application discloses an assembled design structure of a large-span high-strength rock wool sandwich panel curtain wall, and belongs to the technical field of building decoration, which comprises the following steps: a plurality of main keels are vertically arranged and fixedly connected on a wall base; a plurality of auxiliary keels are horizontally arranged and fixedly connected on the plurality of main keels, and a plurality of limiting blocks are arranged on the auxiliary keels; and a plurality of sandwich panel mechanisms are arranged in a rectangular array, wherein the modular structure of the sandwich panel mechanism is strengthened, the installation requirement of large span is met, the main keels and the auxiliary keels are used to build a keel base on the wall base, the adjacent sandwich panel mechanisms are mutually clamped, the assembled installation between the sandwich panel mechanisms is realized, the limiting blocks on the auxiliary keels are inserted into the opposite ends of the sandwich panel mechanisms for supporting, the limiting pins screwed on the limiting blocks abut against the sandwich panel mechanisms, the installation of the sandwich panel mechanism on the keel base is realized, the construction process is simplified, and the construction efficiency is greatly improved.

Description

Technical Field

[0001] This invention belongs to the field of building decoration technology, and in particular relates to a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall. Background Technology

[0002] A building curtain wall is a building envelope or decorative structure composed of a supporting structural system and panels. It has a certain displacement capacity relative to the main structure and does not share the load of the main structure.

[0003] Rock wool sandwich panels are sandwich panels made from rock wool. They fully utilize the unique properties of rock wool core material, exhibiting significant effects in fire resistance, thermal insulation, sound absorption, and sound insulation. Rock wool sandwich panels can also be used as the main material for building curtain walls.

[0004] Chinese Patent (CN202323648563.5) discloses a rock wool composite panel curtain wall structure system, comprising: several rock wool sandwich panels located on one side of a steel column and assembled together, wherein the ends of the rock wool sandwich panels are processed with profile components for assembly and docking, the profile components being composed of profile protrusions protruding outwards perpendicular to the ends of the rock wool sandwich panels, and profile connecting edges located on both sides of the profile protrusions respectively, the two opposing profile protrusions on two adjacent assembled rock wool sandwich panels being sealed and connected; a pressure plate, the two ends of which respectively press down on the profile connecting edges on the same side of the two assembled rock wool sandwich panels; and an aluminum alloy hanger installed on the steel column, which is fixedly connected to the pressure plate and forms a sandwich structure of "aluminum alloy hanger-profile connecting edge-pressure plate".

[0005] Currently, rock wool sandwich panels can be used for dry-hanging installation of curtain walls. In order to meet the overall decorative requirements of the curtain wall, the span of the curtain wall needs to be increased as much as possible. However, this reduces the strength of the rock wool sandwich panels, making it unable to meet the requirements of architectural decoration. Furthermore, the internal filling at both ends of the rock wool sandwich panels is exposed, which is not convenient for rapid assembly and installation, resulting in low construction efficiency. Summary of the Invention

[0006] The purpose of this invention is to propose a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall in order to solve the above-mentioned problems.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall, comprising:

[0008] Multiple main keels are arranged vertically and fixedly connected to the wall base;

[0009] Multiple secondary keels are arranged horizontally and fixedly connected to multiple main keels, and multiple limiting blocks are provided on the secondary keels;

[0010] Multiple sandwich panel mechanisms are arranged in a rectangular array. The sandwich panel mechanism is located between two adjacent secondary keels. The limiting blocks on the two adjacent secondary keels engage the opposite ends of the sandwich panel mechanism. Two adjacent sets of sandwich panel mechanisms are engaged with each other.

[0011] Multiple limiting bolts are screwed onto multiple limiting blocks, and the limiting bolts abut against two adjacent sets of sandwich panel mechanisms.

[0012] As a further description of the above technical solution:

[0013] The sandwich panel mechanism includes a panel structure, multiple rock wool filling blocks, at least one internal support, an upper end cap, a lower end cap, and multiple connecting steel cables. The panel structure is hollow. The multiple rock wool filling blocks and at least one internal support are slidably connected inside the panel structure. The upper end cap is engaged with the upper end of the panel structure and abuts against the rock wool filling blocks. The lower end cap is engaged with the lower end of the panel structure and abuts against the rock wool filling blocks. The multiple connecting steel cables pass through the interior of the panel structure and connect the upper end cap and the lower end cap. Adjacent upper end caps and lower end caps are engaged with each other, and adjacent two panel structures are engaged with each other.

[0014] As a further description of the above technical solution:

[0015] The inner wall of the plate structure is provided with multiple T-shaped retaining strips. The inner support abuts against the inner wall of the plate structure. The inner support has multiple first T-shaped slots that penetrate the inner support. The multiple T-shaped retaining strips are inserted into the multiple first T-shaped slots.

[0016] As a further description of the above technical solution:

[0017] Both the upper plug and the lower plug are provided with positioning bosses. The positioning bosses are inserted into the plate structure and abut against the rock wool filling block. The positioning bosses are provided with multiple second T-shaped slots, and the ends of the multiple T-shaped clips are respectively inserted into the corresponding second T-shaped slots.

[0018] As a further description of the above technical solution:

[0019] The lower plug is provided with a limiting boss, and the upper plug is provided with a limiting groove, the limiting boss being engaged in the limiting groove.

[0020] As a further description of the above technical solution:

[0021] The inner wall of the limiting groove is provided with a plurality of T-shaped protrusions, and the limiting protrusion is provided with a plurality of third T-shaped slots, and the plurality of T-shaped protrusions are engaged in the corresponding plurality of third T-shaped slots.

[0022] As a further description of the above technical solution:

[0023] Two elastic strips are provided on one side of the plate structure, and two slots are provided on the other side of the plate structure. The two elastic strips on one plate structure are inserted into the two slots on the adjacent plate structure.

[0024] As a further description of the above technical solution:

[0025] Two elastic blocks are provided at one end of both the upper plug and the lower plug. The cross-section of the elastic block is the same as that of the elastic strip. Two insertion holes are provided at the other end of both the upper plug and the lower plug. The cross-section of the insertion hole is the same as that of the slot.

[0026] As a further description of the above technical solution:

[0027] Both the upper plug and the lower plug have limit slots, and the limit block is inserted into the limit slot.

[0028] As a further description of the above technical solution:

[0029] The lower end of the connecting steel cable is connected to the lower plug, and the upper end of the connecting steel cable is screwed with a limit nut, which abuts against the upper plug.

[0030] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0031] 1. In this invention, the modular structure of the sandwich panel mechanism is reinforced to meet the installation requirements of large spans. Multiple main keels and multiple secondary keels are used to build a keel base on the wall base. Adjacent sandwich panel mechanisms are interlocked to achieve prefabricated installation between the sandwich panel mechanisms. Limiting blocks on the secondary keels are inserted into the opposite ends of the sandwich panel mechanism for support. Limiting bolts screwed onto the limiting blocks abut against the sandwich panel mechanism, realizing the installation of the sandwich panel mechanism on the keel base. This simplifies the construction process and greatly improves the efficiency of building construction.

[0032] 2. In this invention, during the assembly of the sandwich panel mechanism, the rock wool filling blocks and internal support members are staggered and inserted into the interior of the panel structure. The internal support members support the interior of the panel structure, preventing deformation of the panel structure. The upper and lower plugs are respectively locked at both ends of the panel structure. Multiple connecting steel cables pass through the rock wool filling blocks and internal support members, and connect the upper and lower plugs, so that the upper and lower plugs firmly compress the rock wool filling blocks, ensuring high overall structural strength of the large-span sandwich panel mechanism and preventing the rock wool filling blocks from being exposed. The interlocking between the upper and lower plugs and between the two panel structure members satisfies the prefabricated installation of the sandwich panel mechanism, simplifies the construction process, and greatly improves the efficiency of building construction.

[0033] 3. In this invention, the elastic strip 15 is inserted into the slot 16 to achieve snap-fit ​​installation between two adjacent plate structural components 51, thereby improving construction efficiency. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the overall structure of a prefabricated design for a large-span, high-strength rock wool sandwich panel curtain wall.

[0035] Figure 2 A cross-sectional view of a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall. Figure 1 .

[0036] Figure 3 for Figure 2 A magnified view of part A in the middle.

[0037] Figure 4 A cross-sectional view of a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall. Figure 2 .

[0038] Figure 5 for Figure 4 A magnified view of part B in the middle section.

[0039] Figure 6 A cross-sectional view of a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall. Figure 3 .

[0040] Figure 7 for Figure 6 A magnified view of part C in the middle.

[0041] Figure 8 A cross-sectional view of a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall. Figure 4 .

[0042] Figure 9 for Figure 8 A magnified view of part D in the middle.

[0043] Figure 10 This is an exploded view of the prefabricated design structure of a large-span, high-strength rock wool sandwich panel curtain wall.

[0044] Figure 11 This is a schematic diagram of the overall structure of the sandwich panel mechanism in a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall. Figure 1 .

[0045] Figure 12 This is a schematic diagram of the overall structure of the sandwich panel mechanism in a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall. Figure 2 .

[0046] Figure 13 This is a cross-sectional view of the sandwich panel mechanism in a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall.

[0047] Figure 14 Explosion of the sandwich panel mechanism in a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall. Figure 1 .

[0048] Figure 15 Explosion of the sandwich panel mechanism in a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall. Figure 2 .

[0049] Legend:

[0050] 1. Main keel; 2. Wall base layer; 3. Secondary keel; 4. Limiting block; 5. Sandwich panel mechanism; 51. Panel structural component; 52. Rock wool filling block; 53. Internal support component; 54. Upper end cap; 55. Lower end cap; 56. Connecting steel cable; 6. Limiting bolt; 7. T-shaped locking strip; 8. First T-shaped locking groove; 9. Positioning boss; 10. Second T-shaped locking groove; 11. Limiting boss; 12. Limiting groove; 13. T-shaped protrusion; 14. Third T-shaped locking groove; 15. Elastic strip; 16. Slot; 17. Elastic block; 18. Insertion hole; 19. Limiting locking groove; 20. Limiting nut. Detailed Implementation

[0051] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0052] Please see Figure 1-15 This invention provides a technical solution: a prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall, comprising:

[0053] Multiple main keels 1 are arranged vertically and fixedly connected to the wall base 2;

[0054] Multiple secondary keels 3 are arranged horizontally and fixedly connected to multiple main keels 1, and multiple limiting blocks 4 are provided on the secondary keels 3;

[0055] Multiple sandwich panel mechanisms 5 are arranged in a rectangular array. The sandwich panel mechanism 5 is located between two adjacent secondary keels 3. The limiting blocks 4 on the two adjacent secondary keels 3 engage with the opposite ends of the sandwich panel mechanism 5. The two adjacent sandwich panel mechanisms 5 are engaged with each other.

[0056] Multiple limiting bolts 6 are screwed onto multiple limiting blocks 4 respectively, and the limiting bolts 6 abut against two adjacent sets of sandwich panel mechanisms 5;

[0057] The sandwich panel mechanism 5 includes a panel structure 51, multiple rock wool filling blocks 52, at least one internal support 53, an upper plug 54, a lower plug 55, and multiple connecting steel cables 56. The panel structure 51 is hollow. The multiple rock wool filling blocks 52 and at least one internal support 53 are slidably connected inside the panel structure 51. The upper plug 54 is engaged with the upper end of the panel structure 51 and abuts against the rock wool filling blocks 52. The lower plug 55 is engaged with the lower end of the panel structure 51 and abuts against the rock wool filling blocks 52. The multiple connecting steel cables 56 pass through the interior of the panel structure 51 and connect the upper plug 54 and the lower plug 55. Adjacent upper plugs 54 and lower plugs 55 are interlocked with each other, and adjacent panel structures 51 are interlocked with each other. When the sandwich panel mechanism 5 is assembled, the rock wool filling block 52 and the inner support member 53 are staggered and inserted into the interior of the panel structure member 51. The inner support member 53 supports the interior of the panel structure member 51 and prevents the panel structure member 51 from deforming. The upper plug 54 and the lower plug 55 are respectively locked at both ends of the panel structure member 51. Multiple connecting steel cables 56 pass through the rock wool filling block 52 and the inner support member 53, and connect the upper plug 54 and the lower plug 55, so that the upper plug 54 and the lower plug 55 firmly press the rock wool filling block 52, ensuring the high overall structural strength of the large-span sandwich panel mechanism 5 and preventing the rock wool filling block 52 from being exposed. The interlocking between the upper plug 54 and the lower plug 55, and the interlocking between the two panel structure members 51, meet the assembly installation requirements of the sandwich panel mechanism 5, simplify the construction process, and greatly improve the efficiency of building construction.

[0058] The inner wall of the panel structure 51 is provided with multiple T-shaped retaining strips 7. The inner support member 53 abuts against the inner wall of the panel structure 51. The inner support member 53 has multiple first T-shaped slots 8 that penetrate the inner support member 53. The multiple T-shaped retaining strips 7 are inserted into the multiple first T-shaped slots 8. While supporting the panel structure 51, the inner support member 53 also engages the T-shaped retaining strips 7 in the first T-shaped slots 8, thereby enabling the inner support member 53 to provide local traction to the panel structure 51. This prevents the panel structure 51 from deforming, ensures the overall structural strength of the large-span sandwich panel mechanism 5, and enables the sandwich panel mechanism 5 to meet the installation requirements of the large-span curtain wall.

[0059] Both the upper plug 54 and the lower plug 55 are provided with positioning bosses 9. The positioning bosses 9 are inserted into the plate structure 51 and abut against the rock wool filling block 52. The positioning bosses 9 are provided with multiple second T-shaped slots 10. The ends of multiple T-shaped clips 7 are respectively inserted into the corresponding second T-shaped slots 10. While supporting the plate structure 51, the positioning bosses 9 and the second T-shaped slots 10 hold the T-shaped clips 7, so that the positioning bosses 9 can locally pull the plate structure 51, thereby avoiding deformation of the plate structure 51. This is conducive to the rapid assembly and installation of the upper plugs 54 and the lower plugs 55 with the plate structure 51, and meets the modular reinforced structure design.

[0060] The lower plug 55 is provided with a limiting boss 11, and the upper plug 54 is provided with a limiting groove 12. The limiting boss 11 is inserted into the limiting groove 12, which facilitates the assembly installation between the upper plug 54 and the lower plug 55 and improves the efficiency of building construction.

[0061] The inner wall of the limiting groove 12 is provided with a plurality of T-shaped protrusions 13, and the limiting boss 11 is provided with a plurality of third T-shaped slots 14. The plurality of T-shaped protrusions 13 are inserted into the corresponding plurality of third T-shaped slots 14 to ensure stable engagement between the upper plug 54 and the lower plug 55.

[0062] Two elastic strips 15 are provided on one side of the plate structure 51, and two slots 16 are provided on the other side of the plate structure 51. The two elastic strips 15 on one plate structure 51 are inserted into the two slots 16 on the adjacent plate structure 51. The elastic strips 15 are inserted into the slots 16 to realize the snap-fit ​​installation between two adjacent plate structure 51, thereby improving the efficiency of building construction.

[0063] Two elastic blocks 17 are provided at one end of the upper plug 54 and the lower plug 55. The cross-section of the elastic block 17 is the same as that of the elastic strip 15. Two insertion holes 18 are provided at the other end of the upper plug 54 and the lower plug 55. The cross-section of the insertion hole 18 is the same as that of the slot 16. This allows two adjacent plate structural components 51 to be interlocked with each other, while two adjacent upper plugs 54 and two adjacent lower plugs 55 can be interlocked with each other, which facilitates a smooth installation process and ensures the stability of the installation structure.

[0064] Both the upper end cap 54 and the lower end cap 55 are provided with limiting slots 19. The limiting block 4 is inserted into the limiting slots 19, which facilitates the locking and positioning of the upper end cap 54 and the lower end cap 55 on the limiting block 4, facilitates the prefabricated installation of the building curtain wall, and improves the efficiency of building construction.

[0065] The lower end of the connecting steel cable 56 is connected to the lower plug 55, and the upper end of the connecting steel cable 56 is screwed with a limiting nut 20. The limiting nut 20 abuts against the upper plug 54, which facilitates the quick modular assembly of the sandwich panel mechanism 5.

[0066] Working principle: First, the keel base is installed by fixing multiple main keels 1 onto the wall base 2. The main keels 1 are arranged vertically and evenly at equal intervals along a straight line. Multiple secondary keels 3 are fixed onto the main keels 1, arranged horizontally and evenly at equal intervals along a straight line. This completes the installation of the keel base. Second, the sandwich panel mechanism 5 is pre-assembled. Rock wool filling blocks 52 and internal support members 53 are interlocked and inserted into the interior of the panel structure 51. The internal support members 53 support the interior of the panel structure 51. The first T-shaped slot 8 engages with the T-shaped clip 7, enabling the internal support members 53 to align with the panel. The structural component 51 is partially tractioned to prevent deformation. The upper plug 54 and lower plug 55 are respectively secured at both ends of the structural component 51. While supporting the structural component 51, the positioning boss 9, along with the second T-shaped slot 10, engages the T-shaped clip 7, thus enabling the positioning boss 9 to partially traction the structural component 51 and prevent deformation. Multiple connecting steel cables 56 pass through the rock wool filling block 52 and the inner support component 53, connecting the upper plug 54 and lower plug 55. Tightening the limiting nut 20 secures the upper plug 54, ensuring that the upper plug 54 and lower plug 55 firmly compress the rock wool filling block 52. After assembling the sandwich panel mechanism 5, the panel structure 51 is positioned between two adjacent secondary keels 3. The limiting block 4 on the upper secondary keel 3 is engaged in the limiting slot 19 of the upper plug 54, and the limiting block 4 on the lower secondary keel 3 is engaged in the limiting slot 19 of the lower plug 55, thus completing the overall positioning of the sandwich panel mechanism 5. When installing the sandwich panel mechanism 5 located above this sandwich panel mechanism 5, the lower plug 55 of the upper sandwich panel mechanism 5 is engaged in the upper plug 54 of the already installed sandwich panel mechanism 5, that is, the limiting boss 11 is engaged in the limiting groove 12, and the multiple T-shaped protrusions 13 are engaged in the corresponding multiple third T-shaped slots 14. Inside, the limiting bolt 6 is screwed onto the limiting block 4. The limiting bolt 6 abuts against the upper plug 54 and the lower plug 55, realizing the assembly installation of two adjacent sets of sandwich panel mechanisms 5 in the vertical direction. Finally, the sandwich panel mechanism 5 is extended in the horizontal direction of the installed sandwich panel mechanism 5. The elastic strip 15 on one side of the panel structure component 51 to be installed is inserted into the slot 16 of the installed panel structure. The elastic block 17 between the upper plug 54 and the lower plug 55 is inserted into the corresponding insertion hole 18, realizing the assembly installation of two adjacent sets of sandwich panel mechanisms 5 in the horizontal direction. Repeat the above operation to carry out the assembly installation of the curtain wall based on the large span sandwich panel mechanism 5.

[0067] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A prefabricated design structure for a large-span, high-strength rock wool sandwich panel curtain wall, characterized in that: include: Multiple main keels (1) are arranged vertically and fixedly connected to the wall base (2); Multiple secondary keels (3) are arranged horizontally and fixedly connected to multiple main keels (1). Multiple limiting blocks (4) are provided on the secondary keels (3). Multiple sandwich panel mechanisms (5) are arranged in a rectangular array. The sandwich panel mechanism (5) is located between two adjacent secondary keels (3). The limiting blocks (4) on the two adjacent secondary keels (3) engage the opposite ends of the sandwich panel mechanism (5). The two adjacent sandwich panel mechanisms (5) engage with each other. Multiple limiting bolts (6) are screwed onto multiple limiting blocks (4) respectively, and the limiting bolts (6) abut against two adjacent sets of sandwich panel mechanisms (5). The sandwich panel mechanism (5) includes a panel structure (51), multiple rock wool filling blocks (52), at least one internal support (53), an upper plug (54), a lower plug (55), and multiple connecting steel cables (56). The panel structure (51) is a hollow structure. The multiple rock wool filling blocks (52) and at least one internal support (53) are all slidably connected inside the panel structure (51). The upper plug (54) is engaged with the panel structure (51). The upper end of the upper end of the upper end of the upper end of the plate structure (51) abuts against the rock wool filling block (52). The lower end of the lower end of the plate structure (51) abuts against the rock wool filling block (52). Multiple connecting steel cables (56) pass through the interior of the plate structure (51) and connect the upper end (54) and the lower end (55). Adjacent upper end (54) and lower end (55) are interlocked with each other. Adjacent two plate structure (51) are interlocked with each other.

2. The prefabricated design structure of a large-span high-strength rock wool sandwich panel curtain wall according to claim 1, characterized in that, The inner wall of the plate structure (51) is provided with multiple T-shaped clips (7), the inner support (53) abuts against the inner wall of the plate structure (51), and the inner support (53) is provided with multiple first T-shaped slots (8) that penetrate the inner support (53), and the multiple T-shaped clips (7) are inserted into the multiple first T-shaped slots (8).

3. The prefabricated design structure of a large-span high-strength rock wool sandwich panel curtain wall according to claim 2, characterized in that, Both the upper plug (54) and the lower plug (55) are provided with positioning bosses (9). The positioning bosses (9) are inserted into the plate structure (51) and abut against the rock wool filling block (52). Multiple second T-shaped slots (10) are opened on the positioning bosses (9). The ends of the multiple T-shaped clips (7) are respectively inserted into the corresponding second T-shaped slots (10).

4. The prefabricated design structure of a large-span high-strength rock wool sandwich panel curtain wall according to claim 3, characterized in that, The lower plug (55) is provided with a limiting boss (11), and the upper plug (54) is provided with a limiting groove (12). The limiting boss (11) is inserted into the limiting groove (12).

5. The prefabricated design structure of a large-span high-strength rock wool sandwich panel curtain wall according to claim 4, characterized in that, The inner wall of the limiting groove (12) is provided with a plurality of T-shaped protrusions (13), and the limiting boss (11) is provided with a plurality of third T-shaped slots (14), and the plurality of T-shaped protrusions (13) are inserted into the corresponding plurality of third T-shaped slots (14).

6. The prefabricated design structure of a large-span high-strength rock wool sandwich panel curtain wall according to claim 5, characterized in that, Two elastic strips (15) are provided on one side of the plate structure (51), and two slots (16) are provided on the other side of the plate structure (51). The two elastic strips (15) on one plate structure (51) are inserted into the two slots (16) on the adjacent other plate structure (51).

7. The prefabricated design structure of a large-span high-strength rock wool sandwich panel curtain wall according to claim 6, characterized in that, Two elastic blocks (17) are provided at one end of the upper plug (54) and the lower plug (55). The cross-section of the elastic block (17) is the same as that of the elastic strip (15). Two insertion holes (18) are provided at the other end of the upper plug (54) and the lower plug (55). The cross-section of the insertion hole (18) is the same as that of the slot (16).

8. The prefabricated design structure of a large-span high-strength rock wool sandwich panel curtain wall according to claim 7, characterized in that, Both the upper plug (54) and the lower plug (55) have a limiting slot (19), and the limiting block (4) is inserted into the limiting slot (19).

9. The prefabricated design structure of a large-span high-strength rock wool sandwich panel curtain wall according to claim 8, characterized in that, The lower end of the connecting cable (56) is connected to the lower plug (55), and the upper end of the connecting cable (56) is screwed with a limiting nut (20), which abuts against the upper plug (54).

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