An assembled unit curtain wall system of super-large multiple triangle combination

Abstract

The application belongs to the technical field of building curtain wall and specifically discloses a super large fabricated unit block building curtain wall system which is arranged on a main structure of a building and comprises unit blocks, back-attached steel frames, top hanging devices and bottom connecting devices, wherein the unit blocks comprise a keel assembly, glass panels arranged on the keel assembly and a thermal insulation layer; the back-attached steel frames are used for mounting the unit blocks; the top hanging devices are arranged on concrete beams of the main structure and used for hanging the back-attached steel frames; and the bottom connecting devices are arranged on cantilever corbels of the main structure and used for connecting the back-attached steel frames; the unit blocks after being combined are more rigid, the quality of the curtain wall is ensured, the stress of the whole system is more uniform, wind load can be better transmitted, and the overall structure is more stable.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of building curtain wall, and particularly relates to an assembled unit curtain wall system with super-large multiple triangular combinations. BACKGROUND

[0002] In the prior art, the unit panel of the curtain wall is rectangular, which is a planar panel, the panel size is 1.2-2.4 meters wide, and the height is one floor height. The panel size in the prior art is small, the panel rigidity is strong, and the weight is light. Usually, a cantilever rail is arranged on a floor, and the unit panel is hoisted by the rail for construction. In recent years, with the increasingly wide application of the unit curtain wall, the modeling is also more and more complex. The unit panel is slowly extended from the ordinary rectangular panel to the triangular panel, parallelogram panel, polygonal panel, and space panel. The panel size is getting larger and larger, the width exceeds 10 meters, the area exceeds 40 square meters, and the weight exceeds 4 tons. If the existing construction technology is used, the requirements cannot be met. How to hoist, install and move the panel, how to ensure the panel rigidity and prevent deformation, how to consider the safety of high-altitude construction of super high-rise buildings under high wind pressure, and the stability of the connection with the main structure, and what kind of reasonable construction device to adopt are the current problems faced by the unit panel of super high-rise buildings. SUMMARY

[0003] The purpose of the present application is to provide an assembled unit curtain wall system with super-large multiple triangular combinations, which has uniform stress and high stability.

[0004] To achieve the above-mentioned purpose, the present application is realized by the following technical scheme: an assembled unit curtain wall system with super-large multiple triangular combinations is provided, which is arranged on the main structure of a building, and comprises:

[0005] The unit panel comprises a keel assembly, a glass panel arranged on the keel assembly, and a thermal insulation layer; the keel assembly comprises a plurality of hexagonal sleeve cores, a plurality of upper quadrangular sleeve cores, a plurality of lower quadrangular sleeve cores, and four edge sleeve cores. The plurality of hexagonal sleeve cores are arranged in a horizontal direction at equal intervals. The upper quadrangular sleeve cores are arranged at the upper ends between adjacent two hexagonal sleeve cores. The lower quadrangular sleeve cores are arranged at the lower ends between adjacent two hexagonal sleeve cores. The edge sleeve cores are located at the four corners of the unit panel. An upper cross beam is arranged between adjacent upper quadrangular sleeve cores. A lower cross beam is arranged between adjacent lower quadrangular sleeve cores. A middle cross beam is arranged between adjacent hexagonal sleeve cores. A connecting beam is arranged between the hexagonal sleeve core and its adjacent upper quadrangular sleeve core, lower quadrangular sleeve core, and edge sleeve core. A longitudinal beam is arranged between adjacent edge sleeve cores in the vertical direction.

[0006] The back is attached to the steel frame, which is used to install the unit block, including the top steel, the bottom steel and a plurality of connecting webs arranged between the top steel and the bottom steel, a plurality of first connecting hooks are fixedly arranged on the top steel, and a plurality of connecting clamping grooves are fixedly arranged on the bottom steel; A plurality of upper mounting members for fixing the upper cross beam are arranged on the top steel, and a plurality of lower mounting members for fixing the lower cross beam are arranged on the bottom steel.

[0007] The top hanging device is arranged on the concrete beam of the main body structure, and the first connecting hook is slidably arranged on the top hanging device.

[0008] The bottom connecting device is arranged on the cantilever bracket of the main body structure, and the connecting clamping groove is slidably arranged on the bottom connecting device.

[0009] Further, the upper end of the upper cross beam is provided with a sink plug, the lower end of the lower cross beam is provided with a 7-shaped abutting portion for covering the sink plug, the inner side of the lower cross beam is connected by a fixing bolt, and the lower end of the mounting cover plate is clamped with the outer wall of the sink plug.

[0010] Further, the outer sides of the upper cross beam, the lower cross beam, the middle cross beam, the connecting beam and the longitudinal beam are provided with decorative buckle covers.

[0011] Further, the top hanging device comprises a hanging seat bottom plate and a hanging seat support plate arranged on the hanging seat bottom plate, the hanging seat bottom plate is arranged on the concrete beam, and the first connecting hook is slidably arranged on the hanging seat support plate.

[0012] Further, the concrete beam is provided with a pre-embedded part, and the hanging seat bottom plate is fixedly connected with the pre-embedded part through a buried part bolt.

[0013] Further, the hanging part support plate is connected on the upper end of the hanging part base through a mounting bolt, the upper end of the hanging part support plate is provided with a vertical upward protruding strip, the lower end of the first connecting hook is provided with a hanging groove matched with the protruding strip, and the upper end of the first connecting hook is provided with an adjusting bolt downwardly extending into the hanging groove.

[0014] Further, the bottom connecting device comprises a connecting base and a second connecting hook arranged on the connecting base, the connecting base is arranged on the cantilever bracket, and the connecting clamping groove is slidably arranged on the second connecting hook.

[0015] Further, the connecting base is welded on the cantilever bracket, the second connecting hook is provided with a strip-shaped hole, and the connecting base is provided with a connecting bolt at a position corresponding to the strip-shaped hole.

[0016] Further, the cross section of the connecting clamping groove is H-shaped, and the second connecting hook is provided with a T-shaped hole matched with the connecting clamping groove.

[0017] Further, the first connecting hanging code is arranged on the top steel by welding, and the connecting clamping groove is arranged on the bottom steel by welding.

[0018] The present application has the following beneficial effects:

[0019] The present application forms the whole frame of the unit block by the upper cross beam, the lower cross beam, the middle cross beam, the connecting beam and the longitudinal beam, the glass panel is adhered in each space formed between the upper cross beam, the lower cross beam, the middle cross beam, the connecting beam and the longitudinal beam by structural adhesive, and the thermal insulation layer is arranged on the inner side of the glass panel, so that the whole unit block is finally formed, the unit block after assembly has higher rigidity, and the quality of the curtain wall is ensured; the back-attached steel frame is installed on the main body structure through the top hanging device and the bottom connecting device, the connecting web between the top steel and the bottom steel can increase the structural stability of the back-attached steel frame; the first connecting hanging code is slidably arranged on the top hanging device, so that the connecting position between the first connecting hanging code and the top hanging device can be finely adjusted, thereby the stress between the top steel and the top hanging device is more uniform; the connecting clamping groove is slidably arranged on the bottom connecting device, so that the connection between the connecting clamping groove and the bottom connecting device can be finely adjusted, thereby the wind load can be better transmitted, and the overall structure is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0021] Figure 1 The cross-sectional view of the super-large multiple triangular combined fabricated unit curtain wall system provided by the embodiment of the present application is shown.

[0022] Figure 2 The schematic diagram of the unit block and the back-attached steel frame installation provided by the embodiment of the present application is shown.

[0023] Figure 3 The schematic diagram of the lower cross beam and the upper cross beam splicing provided by the embodiment of the present application is shown.

[0024] Figure 4 The schematic diagram of the hexagonal sleeve core provided by the embodiment of the present application is shown.

[0025] Figure 5 The schematic diagram of the middle cross beam and the connecting beam and the hexagonal sleeve core installation provided by the embodiment of the present application is shown.

[0026] Figure 6Partial view of the unit block at the position of the hexagonal core sleeve provided by the embodiment of the present application;

[0027] Figure 7 Partial sectional view of the unit block at the position of the upper four-corner core sleeve provided by the embodiment of the present application;

[0028] Figure 8 Schematic view of the upper four-corner core sleeve provided by the embodiment of the present application;

[0029] Figure 9 Schematic view of the installation of the upper cross beam and the connecting beam with the upper four-corner core sleeve provided by the embodiment of the present application;

[0030] Figure 10 Partial view of the unit block at the position of the upper four-corner core sleeve provided by the embodiment of the present application;

[0031] Figure 11 Schematic view of the lower four-corner core sleeve provided by the embodiment of the present application;

[0032] Figure 12 Schematic view of the installation of the lower cross beam and the connecting beam with the lower four-corner core sleeve provided by the embodiment of the present application;

[0033] Figure 13 Partial view of the unit block at the position of the lower four-corner core sleeve provided by the embodiment of the present application;

[0034] Figure 14 Partial view of the connection of the top hanging device with the back attached steel frame provided by the embodiment of the present application;

[0035] Figure 15 Partial view of the connection of the bottom connecting device with the back attached steel frame provided by the embodiment of the present application;

[0036] Figure 16 Partial view of the connection of the top steel with the first connecting hanging weight provided by the embodiment of the present application;

[0037] Figure 17 Partial view of the connection of the top steel with the upper mounting provided by the embodiment of the present application;

[0038] Figure 18 Partial view of the connection of the bottom steel with the connecting clamping groove provided by the embodiment of the present application;

[0039] Figure 19 Partial view of the connection of the bottom steel with the bottom lower mounting provided by the embodiment of the present application.

[0040] Explanation of the identification in the figure:

[0041] 1 - unit plate, 2 - back attached steel frame, 3 - top hanging device, 4 - bottom connecting device, 11 - keel assembly, 12 - glass panel, 13 - thermal insulation layer, 14 - decorative cover, 15 - sink insert core, 16 - abutting part, 17 - fixing bolt, 18 - mounting cover plate, 111 - hexagonal sleeve core, 112 - upper four corner sleeve core, 113 - lower four corner sleeve core, 115 - upper cross beam, 116 - lower cross beam, 117 - middle cross beam, 118 - connecting beam, 119 - longitudinal beam, 21 - top steel, 22 - bottom steel, 23 - connecting web, 210 - upper bolt, 211 - first connecting hanging weight, 212 - upper mounting piece, 213 - hanging groove, 214 - adjusting bolt, 220 - lower bolt, 221 - connecting clamping groove, 222 - lower mounting piece, 30 - concrete beam, 31 - hanging seat bottom plate, 32 - hanging seat support plate, 33 - embedded part, 34 - embedded part bolt, 35 - mounting bolt, 36 - convex strip, 40 - cantilever corbel, 41 - connecting base, 42 - second connecting hanging weight, 43 - connecting bolt, 44 - T-shaped hole. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0043] It should be understood that when used in the specification and the appended claims, the terms "comprise" and "include" indicate the presence of described features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0044] It should also be understood that the terms used in the present application specification are only for the purpose of describing specific embodiments and are not intended to limit the present application. As used in the present application specification and the appended claims, unless otherwise clearly indicated by the context, the singular forms "a", "an" and "the" are intended to include the plural forms as well.

[0045] It should be further understood that the term "and / or" used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0046] Embodiments

[0047] Please refer to Figures 1-19As shown, the unit curtain wall system provided by the embodiment of the application is arranged on the main structure of a building and comprises:

[0048] The unit panel 1 comprises a keel assembly 11, a glass panel 12 and a thermal insulation layer 13 arranged on the keel assembly; the keel assembly comprises a plurality of hexagonal sleeve cores 111, a plurality of upper quadrangular sleeve cores 112, a plurality of lower quadrangular sleeve cores 113 and four edge sleeve cores (not shown in the figure), the plurality of hexagonal sleeve cores 111 are arranged in a horizontal direction at equal intervals, the upper quadrangular sleeve cores 112 are arranged at upper ends between adjacent two hexagonal sleeve cores 111, the lower quadrangular sleeve cores 113 are arranged at lower ends between adjacent two hexagonal sleeve cores 111, the edge sleeve cores are arranged at four corners of the unit panel 1, an upper cross beam 115 is arranged between adjacent upper quadrangular sleeve cores 112, the upper cross beam 115 and the upper quadrangular sleeve cores 112 are fixedly connected through bolts, a lower cross beam 116 is arranged between adjacent lower quadrangular sleeve cores 113, the lower cross beam 116 and the lower quadrangular sleeve cores 113 are fixedly connected through bolts, a middle cross beam 117 is arranged between adjacent hexagonal sleeve cores 111, the middle cross beam 117 and the hexagonal sleeve cores 111 are fixedly connected through bolts, a connecting beam 118 is arranged between the hexagonal sleeve core 111 and its adjacent upper quadrangular sleeve core 112, lower quadrangular sleeve core 113 and edge sleeve core, and a longitudinal beam 119 is arranged between adjacent edge sleeve cores in the vertical direction;

[0049] The back-attached steel frame 2 is used for mounting the unit panel 1 and comprises a top steel 21, a bottom steel 22 and a plurality of connecting webs 23 arranged between the top steel 21 and the bottom steel 22, a plurality of first connecting hooks 211 are fixedly arranged on the top steel 21, and a plurality of connecting clamping grooves 221 are fixedly arranged on the bottom steel 22; a plurality of upper mounting members 212 for fixing the upper cross beam 115 are arranged on the top steel 21, and a plurality of lower mounting members 222 for fixing the lower cross beam 116 are arranged on the bottom steel 22, the upper cross beam 115 and the upper mounting member 212 are fixedly connected through upper bolts 210, and the lower cross beam 116 and the lower mounting member 222 are fixedly connected through lower bolts 220;

[0050] The top hanging device 3 is arranged on the concrete beam 30 of the main structure, and the first connecting hook 211 is slidingly arranged on the top hanging device 3;

[0051] The bottom connecting device 4 is arranged on the cantilever corbel 40 of the main structure, and the connecting clamping groove 221 is slidingly arranged on the bottom connecting device 4.

[0052] Through the above structure, in actual application, the super large multiple triangular combined fabricated unit curtain wall system of the application is used in the building curtain wall, the main body structure of the unit block 1 is formed by the upper cross beam 115 arranged between the adjacent upper four corner cores 112, the lower cross beam 116 arranged between the adjacent lower four corner cores 113, the middle cross beam 117 arranged between the adjacent six corner cores 111 and the vertical beam 119 arranged between the upper and lower adjacent side cores, the overall frame of the unit block 1 is formed by connecting the upper cross beam 115, the lower cross beam 116, the middle cross beam 117 and the vertical beam 119 through the connecting beam 118 arranged between the six corner core 111 and its adjacent upper four corner core 112, lower four corner core 113 and side core, the glass panel 12 is adhered by structural glue in each triangular space formed between the upper cross beam 115, the lower cross beam 116, the middle cross beam 117, the connecting beam 118 and the vertical beam 119, the heat preservation layer 13 is arranged on the inner side of the glass panel 12, and finally the whole unit block 1 is formed, the back-attached steel frame 2 is arranged between the concrete beam 30 of the main body structure and the cantilever corbel 40, the upper mounting piece 212 arranged on the top steel 21 can fix the upper cross beam 115, the lower mounting piece 222 arranged on the bottom steel 22 can fix the lower cross beam 116, so that the unit block 1 can be completely installed on the back-attached steel frame 2, the top steel 21 of the back-attached steel frame 2 can be hung on the concrete beam 30 of the main body structure through the top hanging device 3, the bottom steel 22 of the back-attached steel frame 2 can be connected to the cantilever corbel 40 of the main body structure through the bottom connecting device 4, so that the back-attached steel frame 1 is completely installed on the main body structure, the connecting web 23 between the top steel 21 and the bottom steel 22 can increase the structural stability of the back-attached steel frame 1, the first connecting hanging code 211 slidingly arranged on the top hanging device 3 can slightly adjust the connection position between the first connecting hanging code 211 and the top hanging device 3, so that the stress between the top steel 21 and the top hanging device 3 is more uniform, the connecting clamping groove 221 slidingly arranged on the bottom connecting device 4 can slightly adjust the connection between the connecting clamping groove 221 and the bottom connecting device 4, so that the wind load can be better transmitted and the overall structure is more stable.

[0053] In the embodiment, referring to Figure 3As shown, the upper end of the upper cross beam 115 is provided with a sink plug 15, the lower end of the lower cross beam 116 is provided with a 7-shaped abutting portion 16 used for covering the sink plug 15, and the inner side of the lower cross beam 116 is connected with a mounting cover plate 18 through a fixing bolt 17. The lower end of the mounting cover plate 18 is clamped with the outer wall of the sink plug 15. When two unit slabs 1 need to be spliced together, the lower cross beam 116 of the upper unit slab 1 is spliced with the upper cross beam 115 of the lower unit slab 1. First, the upper and lower unit slabs 1 are fixed on the steel frame 2 attached to the back thereof. Then, the bottom of the upper unit slab 1 is brought together from the outside to the inside, so that the abutting portion 16 abuts against the sink plug 15. Then, the lower end of the mounting cover plate 18 is clamped with the outer wall of the sink plug 15. Finally, the mounting cover plate 18 is fixed by the fixing bolt 17, so as to realize the splicing of the upper and lower unit slabs 1. In addition, the sink plug 14 on the topmost unit slab 1 can be used to mount an external sink (not shown in the figure). The external sink is located at the upper end of the unit slab 1, which can increase the drainage capacity of the unit slab 1 and prevent water accumulation.

[0054] As a preferred embodiment, referring to Figure 6 、 Figure 10 and Figure 13 shown, the outer side of the upper cross beam 115, the lower cross beam 116, the middle cross beam 117, the connecting beam 118 and the longitudinal beam 119 is connected with a decorative buckle cover 14 through structural glue. The decorative buckle cover 14 can shield the upper cross beam 115, the lower cross beam 116, the middle cross beam 117, the connecting beam 118 and the longitudinal beam 119, form a perfect transition between adjacent glass panels 12, and increase the aesthetic degree.

[0055] As a preferred embodiment, the material of the upper cross beam 115, the lower cross beam 116, the middle cross beam 117, the connecting beam 118 and the longitudinal beam 119, and the decorative buckle cover 14 is aluminum alloy. The aluminum alloy material has high strength and strong corrosion resistance, and is light in weight, which will not increase the weight of the overall structure.

[0056] In the embodiment, referring to Figure 14 shown, the top hanging device 3 includes a hanging seat bottom plate 31 and a hanging seat support plate 32 provided on the hanging seat bottom plate 31. The first connecting hanging weight 211 is slidably provided on the hanging seat support plate 32. The first connecting hanging weight 211 and the hanging seat support plate 32 can be adjusted in position. The hanging seat bottom plate 31 is provided on the concrete beam 30 to provide force support for the top hanging device 3.

[0057] Specifically, the top steel 21 of the back-attached steel frame 2 is hung on the concrete beam 30 of the main structure by the top hanging device 3 in the following manner: a pre-embedded part 33 is arranged on the concrete beam 30, a hanging seat bottom plate 31 is fixedly connected with the pre-embedded part 33 through a buried part bolt 34, a hanging part support plate 32 is connected with the upper end of the hanging seat bottom plate 31 through a mounting bolt 35, the upper end of the hanging part support plate 32 is provided with a vertical upward protruding strip 36, the lower end of a first connecting hanging code 211 is provided with a hanging groove 213 which is inserted with the protruding strip 36, and the upper end of the first connecting hanging code 211 is provided with an adjusting bolt 214 which extends downward into the hanging groove 213.

[0058] The top steel 21 of the back-attached steel frame 2 is hung on the concrete beam 30 of the main structure by the top hanging device 3, which has the advantages that the hanging seat bottom plate 31 is fixedly connected with the pre-embedded part 33 through the buried part bolt 34, so that the connection stability of the hanging seat bottom plate 31 is ensured and the hanging seat bottom plate 31 can hang a heavy object, the hanging groove 213 at the lower end of the first connecting hanging code 211 is inserted with the protruding strip 36 at the upper end of the hanging part support plate 32, and finally the first connecting hanging code 211 is fixed through the adjusting bolt 214, so that the top steel 21 can be stably hung on the hanging part support plate 32, and before the first connecting hanging code 211 is fixed through the adjusting bolt 214, the position of the hanging groove 213 inserted with the protruding strip 36 can be adjusted, so that the connection position between the first connecting hanging code 211 and the hanging seat support plate 31 can be finely adjusted, and finally the stress between the top steel 21 and the top hanging device 3 can be more uniform and the whole structure is more stable.

[0059] In the embodiment, as shown in Figure 15 The bottom connecting device 4 includes a connecting base 41 and a second connecting hanging code 42 arranged on the connecting base 41, the connecting base 42 is arranged on the cantilever corbel 40, and a connecting clamping groove 221 is slidingly arranged on the second connecting hanging code 42.

[0060] Specifically, the bottom steel 22 of the back-attached steel frame 2 is connected with the cantilever corbel 40 of the main structure by the bottom connecting device 4 in the following manner: the connecting base 41 is welded on the cantilever corbel 40, a strip-shaped hole (not shown in the figure) is arranged on the second connecting hanging code 42, a connecting bolt 43 is arranged on the connecting base 41 at a position corresponding to the strip-shaped hole, the cross section of the connecting clamping groove 221 is in the shape of an I-beam, a T-shaped hole 44 which is matched with the connecting clamping groove 221 is arranged on the second connecting hanging code 42, and the connecting clamping groove 221 can be inserted into the T-shaped hole 44 so as to be connected with the second connecting hanging code 42.

[0061] The advantages of connecting the bottom steel 22 of the back-attached steel frame 2 to the cantilever bracket 40 of the main structure through the bottom connecting device 4 are as follows: the connecting base 41 is fixed to the cantilever bracket 40, the connecting bolt 43 on the connecting base 41 can pass through the strip-shaped hole and fix the second connecting hanging code 42 to the lower end of the connecting base 41 through a nut (not shown in the figure), the strip-shaped hole can adjust the in-out position of the connecting relationship between the second connecting hanging code 42 and the connecting base 41, ensure the stability of the connection, and the I-shaped connecting groove 221 is inserted into the T-shaped hole 44 and connected with the second connecting hanging code 42, so as to ensure that the connecting relationship is flexible connection, better transfer wind load, and increase the safety of the hoisting device.

[0062] As a preferred embodiment, in the present embodiment, the materials of the first connecting hanging code 211 and the connecting groove 221 are both stainless steel, the first connecting hanging code 211 is arranged on the top steel 21 through welding, and the connecting groove 221 is arranged on the bottom steel 22 through welding. The stainless steel has good corrosion resistance, high strength, and strong toughness.

[0063] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A prefabricated unitized curtain wall system consisting of multiple ultra-large triangles, installed on the main structure of a building, characterized in that, include: The unit panel includes a keel assembly and a glass panel and insulation layer disposed on the keel assembly; the keel assembly includes multiple hexagonal cores, multiple upper four-corner cores, multiple lower four-corner cores, and four side cores. The multiple hexagonal cores are arranged at equal intervals in the horizontal direction. The upper four-corner cores are located at the upper end between two adjacent hexagonal cores, the lower four-corner cores are located at the lower end between two adjacent hexagonal cores, and the side cores are located at the four corners of the unit panel. An upper crossbeam is provided between adjacent upper four-corner cores, a lower crossbeam is provided between adjacent lower four-corner cores, and a middle crossbeam is provided between adjacent hexagonal cores. A connecting beam is provided between each hexagonal core and its adjacent upper four-corner cores, lower four-corner cores, and side cores. A longitudinal beam is provided between adjacent upper and lower side cores. A steel frame is attached for installing unit panels, including a top steel, a bottom steel, and multiple connecting web members disposed between the top steel and the bottom steel. Multiple first connecting brackets are fixed on the top steel, and multiple connecting slots are fixed on the bottom steel. Multiple upper mounting parts for fixing the upper crossbeam are provided on the top steel, and multiple lower mounting parts for fixing the lower crossbeam are provided on the bottom steel. A top-mounted mounting device is installed on the concrete beam of the main structure, and the first connecting bracket is slidably mounted on the top-mounted mounting device. A bottom connecting device is provided on the cantilevered bracket of the main structure, and the connecting slot is slidably provided on the bottom connecting device.

2. The prefabricated unitized curtain wall system with multiple large triangles as described in claim 1, characterized in that, The upper end of the upper crossbeam is provided with a water tank insert, and the lower end of the lower crossbeam is provided with a 7-shaped abutment for covering the water tank insert. The inner side of the lower crossbeam is provided with a mounting cover plate by fixing bolts, and the lower end of the mounting cover plate is engaged with the outer wall of the water tank insert.

3. The prefabricated unitized curtain wall system with a combination of multiple large triangles according to claim 2, characterized in that, The outer sides of the upper crossbeam, lower crossbeam, middle crossbeam, connecting beam, and longitudinal beam are all equipped with decorative buckles.

4. The prefabricated unitized curtain wall system with a combination of multiple large triangles according to any one of claims 1-3, characterized in that, The top mounting device includes a mounting base plate and a mounting support plate disposed on the mounting base plate. The mounting base plate is disposed on the concrete beam, and the first connecting bracket is slidably disposed on the mounting support plate.

5. The prefabricated unitized curtain wall system with a combination of multiple large triangles according to claim 4, characterized in that, The concrete beam is provided with embedded parts, and the base plate of the hanging seat is fixedly connected to the embedded parts by embedded bolts.

6. The prefabricated unitized curtain wall system with a combination of multiple large triangles according to claim 5, characterized in that, The hanging bracket is connected to the upper end of the hanging base by mounting bolts. The upper end of the hanging bracket is provided with a vertically upward protrusion. The lower end of the first connecting bracket is provided with a hanging groove that engages with the protrusion. The upper end of the first connecting bracket is provided with an adjusting bolt that extends downward into the hanging groove.

7. The prefabricated unitized curtain wall system with a combination of multiple large triangles according to any one of claims 1-3, characterized in that, The bottom connecting device includes a connecting base and a second connecting bracket disposed on the connecting base. The connecting base is disposed on the cantilever bracket, and the connecting slot is slidably disposed on the second connecting bracket.

8. The prefabricated unitized curtain wall system with a combination of multiple large triangles according to claim 7, characterized in that, The connecting base is welded to the cantilever bracket, the second connecting bracket has a strip hole, and the connecting base has a connecting bolt at the position corresponding to the strip hole.

9. The prefabricated unitized curtain wall system with a combination of multiple large triangles according to claim 8, characterized in that, The cross-section of the connecting slot is I-shaped, and the second connecting bracket is provided with a T-shaped hole that fits into the connecting slot.

10. The prefabricated unitized curtain wall system with multiple large triangle combinations according to claim 1, characterized in that, The first connecting bracket is installed on the top steel by welding, and the connecting slot is installed on the bottom steel by welding.

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