Building facade composite curtain wall construction structure

Abstract

The invention relates to the technical field of curtain wall construction, in particular to a building facade composite curtain wall construction structure which comprises a curtain wall framework arranged on the periphery of a building body, glass panels and aluminum veneers, and the glass panels and the aluminum veneers are arranged on the periphery of the vertical side of the curtain wall framework at intervals. A first sectional material component and a second sectional material component are arranged between the transversely adjacent glass panels and between the vertically adjacent glass panels respectively, and the first sectional material component comprises a first aluminum alloy pressing seat, a first aluminum alloy pressing plate and a first aluminum alloy decorative buckling cover. The vertical sides of the two transversely adjacent glass panels are arranged on the two sides between the first aluminum alloy pressing base and the first aluminum alloy pressing plate correspondingly, a first adapter is arranged between the adjacent aluminum single plates, third profile components are arranged between the aluminum single plates and the glass panels, and the glass panels are provided with top sealing structures above the top of the curtain wall framework. The top sealing structure comprises an aluminum plate top sealing piece, a steel plate top sealing piece and an angle steel supporting piece, so that the composite curtain wall has good structural stability and air tightness.

Description

Technical Field

[0001] The invention relates to the technical field of curtain wall construction, and specifically discloses a composite curtain wall construction structure for a building facade. Background Art

[0002] Curtain wall refers to the non-load-bearing exterior wall enclosure of a building, which has a certain displacement ability relative to the main body or a certain deformation ability of itself and does not bear the forces exerted on the main structure. It is an outer protective wall or decorative structure of the building. In modern architectural design, more and more composite curtain wall construction structures for building facades have appeared, making the building facades modern and technological, and bringing unique visual effects to the buildings. The composite curtain wall structure has put forward more technical requirements for installation technology. From the main body to the curtain wall keel and then to the curtain wall panel installation, it is much more difficult than the single curtain wall system, which brings great uncertainty to the construction. Moreover, since the curtain wall itself is at the outermost periphery of the building, the curtain wall panel and keel structure are easily affected by temperature differences or other external factors. Improper installation structure and connection method will bring certain structural stability, air tightness, aesthetics and other aspects of the bad hidden dangers. Summary of the invention

[0003] The purpose of the present invention is to provide a composite curtain wall construction structure for building facades, which has the technical effects of stable structure and good air tightness.

[0004] To achieve the above object, the present invention adopts the following technical solution: A composite curtain wall construction structure for a building facade, comprising a curtain wall frame arranged on the periphery of a building body, and glass panels and aluminum panels arranged at intervals on the periphery of the vertical side of the curtain wall frame, the curtain wall frame comprising a plurality of vertical keels and a plurality of horizontal keels, the two ends of the horizontal keels are respectively connected to the adjacent vertical keels, a profile component 1 and a profile component 2 are respectively arranged between the adjacent glass panels in the horizontal direction and between the adjacent glass panels in the vertical direction, the profile component 1 comprises an aluminum alloy pressure seat 1, an aluminum alloy pressure plate 1 and an aluminum alloy decorative buckle cover 1, the vertical sides of two adjacent glass panels in the horizontal direction are respectively arranged on both sides between the aluminum alloy pressure seat 1 and the aluminum alloy pressure plate 1, the aluminum alloy decorative buckle cover 1 is buckled The outer side of the aluminum alloy pressure plate is clamped with the aluminum alloy pressure plate 1; the profile component 2 includes two aluminum alloy glass sub-frames limited on the horizontal keel, a glass pressure plate arranged between the two aluminum alloy glass sub-frames, and an aluminum alloy support bar with an L-shaped cross-section arranged between the two aluminum alloy glass sub-frames, and one side of the aluminum alloy support bar is supported below the horizontal side of the glass panel above it; an adapter 1 is arranged between adjacent aluminum veneers, and the adapter 1 is a horizontally arranged L-shaped structure; a profile component 3 is arranged between the aluminum veneer and the glass panel, and the profile component 3 includes an aluminum alloy pressure seat 2, an aluminum alloy pressure plate 2, an aluminum alloy edge sealing profile and an adapter 2, and the aluminum alloy pressure seat 2 and the aluminum The aluminum alloy pressure seat has the same structure as the first aluminum alloy pressure plate, the aluminum alloy pressure plate has the same structure as the first aluminum alloy pressure plate, the adapter has the same structure as the first adapter, the aluminum alloy pressure seat is fixed on the vertical keel, a seal is provided between the aluminum alloy pressure seat and the second aluminum alloy pressure plate, the seal is provided on the same side of the aluminum alloy pressure seat and the second aluminum alloy pressure plate, the seal is a special-shaped structure as a whole, the seal includes an edge sealing plate, and a folding edge 2 and a folding edge 3 provided at both ends of the edge sealing plate, the folding edge 2 is a Z-shaped structure, the folding edge 2 is fixed to the vertical keel by bolts, the folding edge 3 is in contact with the inner side of the second aluminum alloy pressure plate, and the two ends of the edge sealing plate are respectively connected to the opposite sides of the second aluminum alloy pressure seat and the second aluminum alloy pressure plate Abutting vertically, the glass panel is limited to be located between the aluminum alloy pressure seat 2 and the aluminum alloy pressure plate 2 on the side of the butt joint with the aluminum veneer, and is away from the sealing member 1. The aluminum alloy edge sealing profile includes an L-shaped edge sealing portion, and a clamping portion arranged on the inner side of the edge sealing portion. The aluminum alloy edge sealing profile is clamped with the side of the aluminum alloy pressure plate close to the glass panel. The adapter 2 is fixed on the vertical keel. Angle steel 2 is arranged on the outer side of the folded corner of the adapter 2, and angle steel 3 is arranged on the outer side of the angle steel 2. The aluminum veneer is provided with a folded edge 4 arranged in a C-shaped structure with the aluminum veneer on the butt joint side with the glass panel. The folded edge 4 is fixed to the angle steel 3 by bolts, and the folded edge 4 is sealed to the outer side of the edge sealing portion by sealant.The glass panel is provided with a capping structure above the top of the curtain wall frame, and a parapet is provided on the inner side of the top of the curtain wall frame. The capping structure includes an aluminum plate capping piece, a steel plate capping piece and an angle steel support piece. The angle steel support piece fixes the top of the parapet. The angle steel support piece includes a top angle steel, a vertical angle steel and abutting angle steel which are vertically connected in sequence. The top angle steel, the vertical angle steel and the abutting angle steel are arranged in a hook-shaped structure. An embedded part is provided in the parapet. The top angle steel is connected and fixed to the embedded part. The vertical angle steel is arranged on the inner side of the parapet. The end of the abutting angle steel abuts against the inner side of the parapet. The aluminum plate capping piece is provided. On the outside of the angle steel support, the aluminum plate capping piece is in a C-shaped structure as a whole. The aluminum plate capping piece includes a capping top, and a wall connection part and a curtain wall connection part respectively arranged at both ends of the capping top. The wall connection part and the curtain wall connection part are both L-shaped structures. The aluminum plate capping piece is connected and fixed to the angle steel support piece. Angle steel four is arranged on the inner side of the parapet. The end of the wall connection part is connected and fixed to angle steel four. The curtain wall connection part is sealed and connected to the top side of the glass panel at the top of the curtain wall frame. The steel plate capping piece is a stepped plate-shaped structure. The steel plate capping piece is arranged above the glass panel at the top of the parapet and the curtain wall frame at the same time. ;

[0005] Furthermore, the adapter 1 includes a rotating rod 1 and a rotating rod 2 which are vertically connected to each other, the rotating rod 1 is in a vertical state with the horizontal keel, an angle steel 1 is provided on the vertical keel, the rotating rod 1 and the angle steel 1 are fixed by bolts, a C-shaped connecting piece is provided between the aluminum veneer and the rotating rod 2, the vertical part of the C-shaped connecting piece is fixed to the rotating rod 2 by bolts, a folding edge 1 is provided on the butt-jointing side of adjacent aluminum veneers, the folding edges 1 of adjacent aluminum veneers are respectively connected to the horizontal part of the C-shaped connecting piece by bolts, and foam rods and sealants are filled between the vertically adjacent aluminum veneers for sealing.

[0006] Furthermore, a backing aluminum plate is provided on the inner side of the glass panel, the backing aluminum plate is provided between adjacent vertical purlins, and two sides of the backing aluminum plate are respectively connected and fixed to the adjacent vertical purlins by screws.

[0007] Furthermore, the aluminum alloy pressure seat has a cross-section that is shaped like a mountain and is vertically arranged along the outer side of the vertical keel. The aluminum alloy pressure seat is fixed to the vertical keel by stainless steel machine screws. An aluminum alloy pressure plate is vertically arranged along the outer side of the aluminum alloy pressure seat. The middle part of the aluminum alloy pressure plate and the middle longitudinal part of the aluminum alloy pressure seat are fixed by bolts.

[0008] Furthermore, a heat-insulating rubber strip is vertically provided on a middle longitudinal portion of the aluminum alloy press seat, and the heat-insulating rubber strip divides the middle longitudinal portion of the aluminum alloy press seat into two parts.

[0009] Furthermore, sealing strips are provided between the glass panel and the aluminum alloy pressure seat and between the glass panel and the aluminum alloy pressure plate. The horizontal sides of the two adjacent glass panels are sealed to the outer sides of the two aluminum alloy glass sub-frames by sealant, and the two adjacent glass panels are sealed by foam rods and sealant.

[0010] Furthermore, the vertical keel is a steel keel with a specification of 80*160*5mm, and the horizontal keel is a square steel keel with a specification of 80*80*5mm.

[0011] Furthermore, an I-beam is provided under the parapet, a connecting steel plate is fixedly provided on the outdoor side of the I-beam, a rotating rod three is provided between the vertical purlin at the top of the curtain wall frame and the connecting steel plate, and the vertical purlin at the top of the curtain wall frame and the connecting steel plate are fixed by the rotating rod three.

[0012] Furthermore, a 2mm thick insulating gasket is provided between the horizontal portion of the aluminum alloy pressure seat and the vertical keel.

[0013] Furthermore, there are two aluminum alloy support bars under each glass panel.

[0014] Compared with the prior art, the present invention has the following characteristics and beneficial effects: The present invention provides a profile member 1 and a profile member 2 between adjacent glass panels in the horizontal direction and between adjacent glass panels in the vertical direction, a transition member 1 is provided between adjacent aluminum panels, a profile member 3 is provided between the aluminum panel and the glass panel, and a capping structure is provided on the top of the glass panel above the curtain wall skeleton, so that the composite curtain wall structure of the glass panel and the aluminum panel has good structural stability, good air tightness at the junction between the glass panel and the aluminum panel and at the top parapet, and has beautiful structure, safety, applicability and the like, has good promotion and practical value, and will produce good economic benefits after being widely promoted and applied.

[0015] BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 This is a schematic diagram of the connection structure between the glass panel and the profile member of the present invention; Figure 2 This is a schematic diagram of the connection structure between the aluminum single plate and the adapter of the present invention; Figure 3 This is a schematic diagram of the structure of the junction between the aluminum single plate and the glass panel of the present invention; Figure 4 This is a schematic diagram of the capping structure of the glass panel of the present invention on the top of the curtain wall frame; Figure 5 It is a schematic diagram of the connection structure between the glass panel and the profile member 2 of the present invention.

[0016] Figure numerals: 1. Glass panel; 2. Aluminum veneer; 3. Aluminum alloy pressure seat 1; 4. Aluminum alloy pressure plate 1; 5. Aluminum alloy decorative buckle cover 1; 6. Aluminum alloy glass sub-frame; 7. Glass pressure plate; 8. Aluminum alloy support bar; 9. Aluminum alloy pressure seat 2; 10. Aluminum alloy pressure plate 2; 11. Aluminum alloy edge sealing profile; 12. Seal 1; 13. Parapet; 14. Aluminum plate capping member; 15. Steel plate capping member; 16. Angle steel support member; 17. Turn rod 1; 18. Turn rod 2; 19. C-type connector; 20. Backing aluminum plate; 21. I-beam; 22. Connecting steel plate; 23. Turn rod 3. DETAILED DESCRIPTION

[0017] In order to make the technical means, innovative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below.

[0018] The embodiments described herein are specific embodiments of the present invention, which are used to illustrate the concept of the present invention, are illustrative and exemplary, and should not be construed as limiting the embodiments of the present invention and the scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the claims and the contents disclosed in the specification of this application, including technical solutions that adopt any obvious replacement and modification of the embodiments described herein.

[0019] The present invention discloses a composite curtain wall construction structure for a building facade, such as Figures 1 to 5As shown, it includes a curtain wall frame arranged on the periphery of the building body, and glass panels 1 and aluminum panels 2 are arranged at intervals on the periphery of the vertical side of the curtain wall frame. The curtain wall frame includes a plurality of vertical keels arranged vertically and horizontal keels arranged horizontally. The vertical keels are steel keels with a specification of 80*160*5mm, and the horizontal keels are square steel keels with a specification of 80*80*5mm. The two ends of the horizontal keels are respectively vertically connected and fixed to the adjacent vertical keels. There are respectively arranged between the adjacent glass panels 1 in the horizontal direction and between the adjacent glass panels 1 in the vertical direction. There are profile components 1 and 2, the profile component 1 includes an aluminum alloy pressure seat 13, an aluminum alloy pressure plate 14 and an aluminum alloy decorative buckle cover 15, the cross section of the aluminum alloy pressure seat 13 is a mountain-shaped structure, and is vertically arranged along the outer side of the vertical keel, the notch of the aluminum alloy pressure seat 13 faces outward, and is fixed to the vertical keel by stainless steel machine screws, and a 2mm thick insulating gasket is arranged between the horizontal part of the aluminum alloy pressure seat 13 and the vertical keel, and the insulating gasket between the aluminum alloy pressure seat 13 and the vertical keel prevents the aluminum alloy pressure seat 13 from being in contact with the vertical keel. Electrochemical corrosion occurs between the bones. The aluminum alloy pressure plate 4 is in a strip-shaped structure and is vertically arranged along the outer side of the aluminum alloy pressure seat 3. A heat insulation strip is vertically arranged on the middle longitudinal part of the aluminum alloy pressure seat 3. The heat insulation strip divides the middle longitudinal part of the aluminum alloy pressure seat 3 into two parts. The middle part of the aluminum alloy pressure plate 4 and the middle longitudinal part of the aluminum alloy pressure seat 3 are connected and fixed by bolts, thereby achieving indoor and outdoor heat insulation effects here and reducing the influence of thermal bridges. Two parts are formed between the aluminum alloy pressure seat 3 and the aluminum alloy pressure plate 4. A limiting space for limiting the position of the glass panel 1, wherein the vertical sides of two horizontally adjacent glass panels 1 are respectively arranged in two limiting spaces, and sealing strips are arranged between the glass panel 1 and the aluminum alloy pressing seat 3 and between the glass panel 1 and the aluminum alloy pressing plate 4, so as to ensure the sealing of the connection between the glass panel 1, the aluminum alloy pressing seat 3 and the aluminum alloy pressing plate 4, and the cross section of the aluminum alloy decorative buckle cover 5 is a U-shaped structure, and the aluminum alloy decorative buckle cover 5 is buckled on the outside of the aluminum alloy pressing plate 4 and clamped with the aluminum alloy pressing plate 4;The second profile component includes two aluminum alloy glass sub-frames 6 limited on the transverse keel, the aluminum alloy glass sub-frames 6 are arranged along the entire length of the transverse keel, the two aluminum alloy glass sub-frames 6 are in a U-shaped structure, and the openings are opposite to each other up and down, a glass pressure plate 7 is provided in the cavity between the two aluminum alloy glass sub-frames 6, the glass pressure plate 7 is connected to the transverse keel by screws, the glass pressure plate 7 presses the two aluminum alloy glass sub-frames 6 on the transverse keel, an insulating gasket is provided between the aluminum alloy glass sub-frame 6 and the transverse keel, the insulating gasket between the aluminum alloy glass sub-frame 6 and the transverse keel prevents electrochemical corrosion from occurring therebetween, the transverse sides of the two upper and lower adjacent glass panels 1 are sealed and connected to the outer sides of the two aluminum alloy glass sub-frames 6 by sealant, an aluminum alloy support strip 8 with an L-shaped cross-section is provided in the cavity between the two aluminum alloy glass sub-frames 6, one side of the aluminum alloy support strip 8 is fixed to the transverse keel by screws, and the other side is supported below the transverse side of the glass panel 1 above it, there are two aluminum alloy support strips 8 under each glass panel 1, and there are two aluminum alloy support strips 8 between the two upper and lower adjacent glass panels 1 The foam rod and sealant are used to seal the position to ensure air tightness. A 2mm thick backing aluminum plate 20 is provided on the inner side of the glass panel 1. The backing aluminum plate 20 is provided between adjacent vertical keels. Both sides of the backing aluminum plate 20 are respectively connected and fixed to the adjacent vertical keels by screws. A transition piece 1 is provided between adjacent aluminum veneers 2. The transition piece 1 is a horizontally arranged L-shaped structure. The transition piece 1 includes a rotating rod 17 and a rotating rod 2 18 that are vertically connected to each other. The rotating rod 17 and the rotating rod 2 18 are both 60*60*5 mm steel keel, the turning rod 17 is in a vertical state with the horizontal keel, an angle steel 1 is arranged on the vertical keel, the turning rod 17 and the angle steel 1 are connected and fixed by bolts, a C-shaped connecting piece 19 is arranged between the aluminum single plate 2 and the turning rod 2 18, the vertical part of the C-shaped connecting piece 19 is fixed with the turning rod 2 18 by bolts, a folding edge 1 is arranged on the butt side of adjacent aluminum single plates 2, and the folding edges 1 of adjacent aluminum single plates 2 are respectively connected with the horizontal part of the C-shaped connecting piece 19 by bolts, and the vertical adjacent aluminum single plates 2 are filled with foam rods and sealants for sealing;A profile component 3 is provided between the aluminum veneer 2 and the glass panel 1. The profile component 3 includes an aluminum alloy pressure seat 2 9, an aluminum alloy pressure plate 2 10, an aluminum alloy edge sealing profile 11 and an adapter 2. The aluminum alloy pressure seat 2 9 has the same structure as the aluminum alloy pressure seat 1 3, the aluminum alloy pressure plate 2 10 has the same structure as the aluminum alloy pressure plate 1 4, and the adapter 2 has the same structure as the adapter 1. The notch of the aluminum alloy pressure seat 2 9 faces outward and is fixed to the vertical keel by stainless steel machine screws. The aluminum alloy pressure plate 2 The middle part of 10 is connected and fixed with the middle longitudinal part of the aluminum alloy pressure seat 2 9 by bolts. A sealing member 12 is arranged between the aluminum alloy pressure seat 2 9 and the aluminum alloy pressure plate 2 10. The sealing member 12 is arranged on the side of one side of the aluminum alloy pressure seat 2 9 and the aluminum alloy pressure plate 2 10. The sealing member 12 is a special-shaped structure as a whole. The sealing member 12 includes an edge sealing plate, and a folding edge 2 and a folding edge 3 arranged at both ends of the edge sealing plate. The folding edge 2 is a Z-shaped structure. The folding edge 2 is fixed to the vertical keel by bolts. The folded edge 3 is in contact with the inner side of the aluminum alloy pressing plate 2 10, and the two ends of the edge sealing plate are respectively in contact with the opposite sides of the aluminum alloy pressing seat 2 9 and the aluminum alloy pressing plate 2 10 vertically. The glass panel 1 is located between the aluminum alloy pressing seat 2 9 and the aluminum alloy pressing plate 2 10 and away from the sealing member 12 on the side where the glass panel 1 is connected to the aluminum single plate 2. The aluminum alloy edge sealing profile 11 includes an L-shaped edge sealing portion and a clamping portion provided on the inner side of the edge sealing portion. The aluminum alloy edge sealing profile 11 and the aluminum alloy pressing plate are close to the glass. One side of the glass panel 1 is clamped, the adapter 2 is fixed on the vertical keel, the outer side of the folded corner of the adapter 2 is provided with an angle steel 2, the outer side of the angle steel 2 is provided with an angle steel 3, the aluminum single plate 2 is provided with a folded edge 4 arranged in a C-shaped structure with the aluminum single plate 2 on the butt side with the glass panel 1, the folded edge 4 is fixed with the angle steel 3 by bolts, the folded edge 4 is sealed with the outer side of the edge sealing part by sealant, and a flexible waterproof membrane is provided on the opposite side of the edge sealing part, and the flexible waterproof membrane is laid along the outer side of the angle steel 2 and the folded edge 4;The glass panel 1 is provided with a capping structure above the top of the curtain wall frame, a parapet 13 is provided on the inner side of the curtain wall frame, an I-beam 21 is provided below the parapet 13, a connecting steel plate 22 is fixedly provided on the outdoor side of the I-beam 21, a rotating rod 3 23 is provided between the vertical keel at the top of the curtain wall frame and the connecting steel plate 22, and the vertical keel at the top of the curtain wall frame and the connecting steel plate 22 are fixed by the rotating rod 3 23, the capping structure includes an aluminum plate capping member 14, a steel plate capping member 15 and an angle steel support member 16, the angle steel support member 16 fixes the top of the parapet 13, the angle steel support member 16 includes a top angle steel, a vertical angle steel and abutting angle steel which are vertically connected in sequence, and a hook-shaped structure is arranged between the top angle steel, the vertical angle steel and the abutting angle steel, an embedded part is provided in the parapet 13, the top angle steel is connected and fixed to the embedded part, the vertical angle steel is arranged on the inner side of the parapet 13, and the abutting angle steel is arranged. The end of the angle steel is against the inner side of the parapet 13, and the aluminum plate capping member 14 is arranged on the outer side of the angle steel support member 16. The aluminum plate capping member 14 is a C-shaped structure as a whole. The aluminum plate capping member 14 includes a capping top, and a wall connection part and a curtain wall connection part respectively arranged at both ends of the capping top. The capping top is a plate-shaped structure, which is laid on the top of the parapet 13. The capping top is inclined downward from the outer side of the parapet 13 to the inner side of the parapet 13. The wall connection part and the curtain wall connection part are both L-shaped structures. The aluminum plate capping member 14 is connected and fixed to the angle steel support member 16. An angle steel four is arranged on the inner side of the parapet 13, and the end of the wall connection part is connected to the angle steel four. The curtain wall connection part is sealed and connected to the top side of the glass panel 1 on the top of the curtain wall frame. The steel plate capping member 15 is a stepped plate-shaped structure, and the steel plate capping member 15 is arranged above the glass panel 1 on the top of the parapet 13 and the curtain wall frame at the same time. ;

[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A composite curtain wall construction structure for a building facade, comprising a curtain wall frame arranged on the periphery of a building body, and glass panels (1) and aluminum panels (2) arranged at intervals on the periphery of a vertical side of the curtain wall frame, Features: The curtain wall frame comprises a plurality of vertical purlins and a plurality of horizontal purlins, the two ends of the horizontal purlins are respectively connected to the adjacent vertical purlins, and a profile component 1 and a profile component 2 are respectively provided between the horizontally adjacent glass panels (1) and the vertically adjacent glass panels (1), the profile component 1 comprises an aluminum alloy pressure seat 1 (3), an aluminum alloy pressure plate 1 (4) and an aluminum alloy decorative buckle cover 1 (5), the vertical sides of two horizontally adjacent glass panels (1) are respectively arranged on both sides between the aluminum alloy pressure seat 1 (3) and the aluminum alloy pressure plate 1 (4), and the aluminum alloy decorative buckle cover 1 (5) is buckled on the outer side of the aluminum alloy pressure plate 1 (4) and clamped with the aluminum alloy pressure plate 1 (4); the profile component 2 comprises two aluminum alloy glass sub-frames (6) limited on the horizontal purlins, and arranged on the two A glass pressure plate (7) is provided between two aluminum alloy glass sub-frames (6), and an aluminum alloy support strip (8) with an L-shaped cross section is provided between the two aluminum alloy glass sub-frames (6), and one side of the aluminum alloy support strip (8) is supported below the horizontal side of the glass panel (1) above it; a transition piece (1) is provided between adjacent aluminum veneers (2), and the transition piece (1) is a horizontally arranged L-shaped structure; a profile component (3) is provided between the aluminum veneer (2) and the glass panel (1), and the profile component (3) includes an aluminum alloy pressure seat (2) and an aluminum alloy pressure plate (10), an aluminum alloy edge sealing profile (11) and a transition piece (2), the aluminum alloy pressure seat (2) and the aluminum alloy pressure seat (3) have the same structure, and the aluminum alloy pressure plate (10) and the aluminum alloy pressure plate (4) have the same structure. The adapter part 2 has the same structure as the adapter part 1. The aluminum alloy pressure seat 2 (9) is fixed on the vertical keel. A sealing part 1 (12) is provided between the aluminum alloy pressure seat 2 (9) and the aluminum alloy pressure plate 2 (10). The sealing part 1 (12) is provided on the same side of the aluminum alloy pressure seat 2 (9) and the aluminum alloy pressure plate 2 (10). The sealing part 1 (12) is a special-shaped structure as a whole. The sealing part 1 (12) includes an edge sealing plate, and a folding edge 2 and a folding edge 3 provided on the same side of the two ends of the edge sealing plate. The folding edge 2 is a Z-shaped structure. The folding edge 2 is fixed to the vertical keel by bolts. The folding edge 3 is in contact with the inner side of the aluminum alloy pressure plate 2 (10). The two ends of the edge sealing plate are respectively in vertical contact with the opposite sides of the aluminum alloy pressure seat 2 (9) and the aluminum alloy pressure plate 2 (10). The glass panel (1) The aluminum alloy edge sealing profile (11) is located between the aluminum alloy pressure seat 2 (9) and the aluminum alloy pressure plate 2 (10) on the side of the connection with the aluminum single plate (2) and away from the sealing member 1 (12). The aluminum alloy edge sealing profile (11) includes an L-shaped edge sealing portion and a clamping portion arranged on the inner side of the edge sealing portion. The aluminum alloy edge sealing profile (11) is clamped with the aluminum alloy pressure plate on the side close to the glass panel (1). The adapter 2 is fixed on the vertical keel. Angle steel 2 is arranged on the outer side of the folded corner of the adapter 2. Angle steel 3 is arranged on the outer side of the angle steel 2. The aluminum single plate (2) is provided with a folded edge 4 arranged in a C-shaped structure with the aluminum single plate (2) on the connection side with the glass panel (1). The folded edge 4 is fixed to the angle steel 3 by bolts. The folded edge 4 is sealed to the outer side of the edge sealing portion by sealant.The glass panel (1) is provided with a capping structure above the top of the curtain wall frame, and a parapet (13) is provided on the inner side of the top of the curtain wall frame. The capping structure comprises an aluminum plate capping member (14), a steel plate capping member (15) and an angle steel support member (16). The angle steel support member (16) fixes the top of the parapet (13). The angle steel support member (16) comprises a top angle steel, a vertical angle steel and abutting angle steel which are vertically connected in sequence. The top angle steel, the vertical angle steel and the abutting angle steel are arranged in a hook-shaped structure. An embedded member is provided in the parapet (13). The top angle steel is connected and fixed to the embedded member. The vertical angle steel is arranged on the inner side of the parapet (13). The end of the abutting angle steel abuts on the inner side of the parapet (13). The aluminum plate capping member (14) is arranged on the outer side of the angle steel support member (16). The aluminum plate capping member (14) is integrally formed. The structure is C-shaped. The aluminum plate capping member (14) includes a capping top, and a wall connection part and a curtain wall connection part respectively arranged at both ends of the capping top. The capping top is a plate-shaped structure. The capping top is laid on the top of the parapet (13). The capping top is inclined downward from the outside of the parapet (13) to the inside of the parapet (13). The wall connection part and the curtain wall connection part are both L-shaped structures. The aluminum plate capping member (14) is connected and fixed to the angle steel support member (16). An angle steel four is arranged on the inside of the parapet (13). The end of the wall connection part is connected to the angle steel four. The curtain wall connection part is sealed and connected to the top side of the glass panel (1) on the top of the curtain wall frame. The steel plate capping member (15) is a stepped plate-shaped structure. The steel plate capping member (15) is simultaneously arranged above the glass panel (1) on the top of the parapet (13) and the curtain wall frame.

2. A composite curtain wall construction structure for building facades according to claim 1, Features: The transition piece 1 comprises a rotating rod 1 (17) and a rotating rod 2 (18) which are vertically connected to each other. The rotating rod 1 (17) is in a vertical state with respect to the horizontal keel. An angle steel 1 is provided on the vertical keel. The rotating rod 1 (17) and the angle steel 1 are connected and fixed by bolts. A C-shaped connecting piece (19) is provided between the aluminum single plate (2) and the rotating rod 2 (18). The vertical part of the C-shaped connecting piece (19) is fixed to the rotating rod 2 (18) by bolts. A folding edge 1 is provided on the butt-jointing side of adjacent aluminum single plates (2). The folding edges 1 of adjacent aluminum single plates (2) are respectively connected to the horizontal part of the C-shaped connecting piece (19) by bolts. Foam rods and sealant are filled between the vertically adjacent aluminum single plates (2) for sealing.

3. A building facade composite curtain wall construction structure according to claim 1, Features: A backing aluminum plate (20) is provided on the inner side of the glass panel (1), the backing aluminum plate (20) is provided between adjacent vertical keels, and both sides of the backing aluminum plate (20) are respectively connected and fixed to adjacent vertical keels by screws.

4. A building facade composite curtain wall construction structure according to claim 1, Features: The aluminum alloy pressure seat (3) has a cross-section of a mountain-shaped structure and is vertically arranged along the outer side of the vertical keel. The aluminum alloy pressure seat (3) is fixed to the vertical keel by stainless steel machine screws. The aluminum alloy pressure plate (4) is vertically arranged along the outer side of the aluminum alloy pressure seat (3). The middle part of the aluminum alloy pressure plate (4) is fixed to the middle longitudinal part of the aluminum alloy pressure seat (3) by bolt connection.

5. A composite curtain wall construction structure for building facades according to claim 4, Features: A heat-insulating rubber strip is vertically arranged on the middle longitudinal part of the aluminum alloy pressing seat (3), and the heat-insulating rubber strip divides the middle longitudinal part of the aluminum alloy pressing seat (3) into two parts.

6. A building facade composite curtain wall construction structure according to claim 1, Features: Sealing strips are provided between the glass panel (1) and the aluminum alloy pressure seat (3) and between the glass panel (1) and the aluminum alloy pressure plate (4); the horizontal sides of the two upper and lower adjacent glass panels (1) are sealed to the outer sides of the two aluminum alloy glass sub-frames (6) by means of sealing glue; and the two upper and lower adjacent glass panels (1) are sealed by means of foam rods and sealing glue.

7. A building facade composite curtain wall construction structure according to claim 1, Features: The vertical keel is a steel keel with a specification of 80*160*5mm, and the horizontal keel is a square steel keel with a specification of 80*80*5mm.

8. A building facade composite curtain wall construction structure according to claim 1, Features: An I-beam (21) is provided below the parapet wall (13), a connecting steel plate (22) is fixedly provided on the outdoor side of the I-beam (21), a rotating rod three (23) is provided between the vertical keel at the top of the curtain wall frame and the connecting steel plate (22), and the vertical keel at the top of the curtain wall frame and the connecting steel plate (22) are fixed by the rotating rod three (23).

9. A building facade composite curtain wall construction structure according to claim 4, Features: A 2mm thick insulating gasket is provided between the horizontal portion of the aluminum alloy pressure seat 1 (3) and the vertical keel.

10. A building facade composite curtain wall construction structure according to any one of claims 1 to 9, Features: There are two aluminum alloy support bars (8) under each glass panel (1).

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