Fabricated grating curtain wall system and construction method thereof

Abstract

The application relates to the technical field of building curtain wall, and discloses a fabricated grid curtain wall system and a construction method thereof, which comprises: a plurality of vertically arranged grid curtain wall plates; the top of the grid curtain wall plate is connected to a top panel; the bottom of the top panel is provided with a bottom cross beam; the bottom cross beam comprises a first frame body, a second frame body and a third frame body which are sequentially arranged from left to right; the top of the first frame body and the third frame body is fixed to the bottom of the panel through back bolts; the bottom center of the second frame body is provided with a limiting groove; the upper end of the grid curtain wall plate is provided with an upper cross beam; a middle cross beam is arranged between adjacent grid curtain wall plates; the lower end of the bottom grid curtain wall plate is provided with a lower cross beam; the upper cross beam comprises a first frame beam body, a T-shaped hanging piece and a mountain-shaped connecting piece; the top of the first frame beam body is vertically provided with a connecting plate; the fabricated grid curtain wall system has the advantages of high assembly precision, fast construction speed, convenient installation, three-way adjustment and the like.

Description

Technical Field

[0001] This invention relates to the field of building curtain wall technology, and in particular to a prefabricated grid curtain wall system and its construction method. Background Technology

[0002] Currently, as curtain wall technology matures, more and more venues, such as museums, art galleries, and libraries, are adding decorative components to the exterior of their existing curtain walls to express the building's design. These types of grilles often suffer from drawbacks such as complex shapes, difficult on-site installation, and low installation efficiency, hence the invention of this new type of grille. Summary of the Invention

[0003] This application provides a prefabricated grid curtain wall system and its construction method to solve the problems in the background art.

[0004] To address the aforementioned technical problems, this application provides a prefabricated grid curtain wall system, installed on the exterior of a building, comprising: multiple vertically arranged grid curtain wall panels; the top of each grid curtain wall panel is connected to a top panel, and the bottom of the top panel is provided with a bottom beam, the bottom beam comprising a first frame, a second frame, and a third frame arranged sequentially from left to right, the tops of the first and third frames being fixed to the bottom of the panel by back bolts, and the bottom center of the second frame being provided with a limiting groove; an upper beam is provided at the upper end of each grid curtain wall panel, a middle beam is provided between adjacent grid curtain wall panels, and the bottom... The lower end of the grid curtain wall panel is provided with a lower horizontal beam. The upper horizontal beam includes a first frame beam body located at the bottom of the lower horizontal beam, a T-shaped hanger connected to the side of the first frame beam body, and a mountain-shaped connector located at the top of the first frame beam body. Two connecting plates are vertically arranged at the top of the first frame beam body. A hook portion is provided on the opposite side of the two connecting plates. An installation cavity is provided on the side of the connecting plates that are far apart from each other. The two ends of the mountain-shaped connector extend into the hook portion, and the middle part of the mountain-shaped connector extends into the limiting groove. The installation cavity contacts the inner side of the first frame body and the third frame body. A continuous waterproof strip is provided in the installation cavity.

[0005] In some embodiments of this application, a mounting block is provided at the bottom of the first frame beam, a metal plate is provided at the bottom of the mounting block, an L-shaped plate is provided on the outer side of the mounting block and the first frame beam, the horizontal part of the L-shaped plate is provided between the mounting block and the first frame beam, the vertical part of the L-shaped plate is fixed to the side of the metal plate, vertical plates are provided at both ends of the metal plate, Z-shaped connectors are provided at the ends of the vertical plates and the first frame beam, and the two ends of the Z-shaped connectors are respectively fixedly connected to the vertical plates and the side of the first frame beam by bolts, and a fall-prevention steel wire rope is provided between the side of any of the first frame beams and the metal plate.

[0006] In some embodiments of this application, the middle crossbeam includes a second frame-shaped beam disposed between the panel and the metal plate and an L-shaped connector connected to the side of the second frame-shaped beam. The upper end of the second frame-shaped beam is fixed to the bottom of the panel by a back bolt. The bottom of the lower end of the second frame-shaped beam is provided with a mounting block. The bottom of the mounting block is provided with a metal plate. An L-shaped plate is provided on the outer side of the mounting block and the first frame-shaped beam. The horizontal part of the L-shaped plate is disposed between the mounting block and the second frame-shaped beam. The vertical part of the L-shaped plate is fixed to the side of the metal plate. Vertical plates are provided at both ends of the metal plate. A Z-shaped connector is provided at the end of any vertical plate and the second frame-shaped beam. The two ends of the Z-shaped connector are fixedly connected to the side of the vertical plate and the second frame-shaped beam by bolts. A fall-prevention steel wire rope is provided between the side of any first frame-shaped beam and the metal plate.

[0007] In some embodiments of this application, the lower crossbeam is respectively disposed at the top of the top grid curtain wall panel and the bottom of the bottom grid curtain wall panel.

[0008] In some embodiments of this application, columns are provided on both sides of the width direction of the grid curtain wall panel, and steel hangers are provided on the columns extending towards the outer side of the building. An adjustment groove is provided at the bottom of the extended end of the steel hanger, and an adjustment block is provided on the side of the adjustment groove in the thickness direction. A through hole is provided vertically in the center of the adjustment block, and an adjustment bolt is threaded into the through hole. A steel support arm is provided between the steel hanger and the outer side of the building. The side of the steel support arm away from the steel hanger is fixed to the outer side of the building, and a π-shaped connector is provided on the side of the steel support arm close to the steel hanger. The π-shaped connector extends into the adjustment groove and abuts against the bottom of the adjustment bolt to control the height of the grid curtain wall panel.

[0009] In some embodiments of this application, a hoisting mechanism is also included. The hoisting mechanism includes U-shaped retaining rings disposed on both sides of the column, thick steel plates spaced apart on the top of the grid curtain wall panels, and square steel pipes disposed on the top of the thick steel plates. The thick steel plates and square steel pipes are respectively provided with multiple first hoisting holes and second hoisting holes spaced apart along their length. The first hoisting holes on both sides are connected to the U-shaped retaining rings by lower binding straps, and the other hoisting holes are connected to the top of the mountain-shaped connector by lower binding straps. The top of the second hoisting hole is provided with an upper binding strap.

[0010] In some embodiments of this application, the upper, middle and lower crossbeams are all connected to panels. The panels include side panels symmetrically arranged inside the columns, an upper panel arranged along the upper end of the top grid curtain wall panel, and an outer panel arranged between adjacent grid curtain wall panels and connected to the outside of the connector. A composite fall protection net is provided between the outer panel and the connector.

[0011] In some embodiments of this application, the T-shaped connector and the L-shaped connector have serrated sides away from the wall and serrated top surfaces away from the frame beam. Toothed pads are provided between the T-shaped connector and the bolt, and the serrated sides of the T-shaped connector and the L-shaped connector engage with the teeth of the toothed pads.

[0012] In some embodiments of this application, a construction method for a prefabricated grid curtain wall system is provided, the specific construction method being as follows:

[0013] A. Assembly of prefabricated grille curtain wall panel frame: The grille curtain wall panels are assembled in the processing plant. The panel frame is assembled from aluminum alloy profiles. The aluminum alloy frame consists of columns, upper beams, middle beams and lower beams. Each beam is connected to the column with pan head bolts. After the frame is assembled, steel hangers are installed on the columns on both sides. The steel hangers are fixed to the columns on both sides of the frame with stainless steel screws.

[0014] B. Installation of prefabricated grid curtain wall panels: The panels on both sides of the front of the grid curtain wall panel are connected to the columns using T-shaped connectors; the panel at the top of the front of the grid curtain wall panel is connected to the upper horizontal beam using T-shaped connectors; the panel in the middle of the front of the grid curtain wall panel is connected to the middle horizontal beam using L-shaped connectors; the panels on both sides of the side of the grid curtain wall panel are connected to the columns using back bolts; and the panel in the middle of the side of the grid curtain wall panel is connected to the middle horizontal beam using back bolts.

[0015] C. Assembly of the prefabricated grid curtain wall panel hoisting mechanism: First, weld the steel square tube and the thick steel plate together to form a whole. Then, install the upper hoisting tie-down straps and the lower hoisting tie-down straps respectively. Install U-shaped clips on the other end of the tie-down straps on both sides of the panel. The upper end of the remaining lower tie-down straps is connected to the thick steel plate, and the lower end is connected to the mountain-shaped connector. When hoisting the panel, install the mountain-shaped connector on the upper crossbeam of the panel. The U-shaped clips on both sides of the tie-down straps are connected to the steel hangers on the columns on both sides of the panel respectively.

[0016] D. Installation of Prefabricated Grille Curtain Wall Panels: After the grille curtain wall panels are transported to the site, mobile hoisting equipment is used in conjunction with the hoisting mechanism to complete the panel installation. One end of the steel support arm is connected to the main structure, and the other end is connected to the π-type connector with stainless steel bolts. After the grille curtain wall panel is lifted to the corresponding position, the steel hanger is clamped onto the π-type connector. The steel hanger has adjusting bolts to adjust the height of the panels, ensuring that adjacent panels are at the same horizontal level. The upper beam of the prefabricated grille panel is equipped with a mountain-shaped connector. The upper part of the panel is connected by the steel hanger and the π-type connector. The lower part of the panel is connected by a plug-in connection, that is, the mountain-shaped connector on the upper beam of the lower panel is inserted into the bottom beam of the upper panel. During installation, the panels are installed sequentially from bottom to top.

[0017] Compared with the prior art, the present invention has the following features and beneficial effects:

[0018] This invention specifies the connection methods between the grid curtain wall and the building top, between grid curtain walls, and between the grid curtain wall and the building bottom by setting bottom, upper, middle, and lower horizontal beams. The upper, middle, and lower horizontal beams are installed on the grid curtain wall panels. Multiple decorative panels are fixed to the grid curtain wall panels by setting T-shaped brackets, L-shaped brackets, and columns. Structural stability and safety are improved by setting installation blocks, metal plates, Z-shaped connectors, and anti-fall steel wire ropes. The grid curtain wall is fixed to the wall surface by setting steel brackets and T-shaped connectors. The height difference between adjacent grid curtain wall panels can be adjusted by setting adjustment grooves, adjustment blocks, and adjustment bolts to ensure that adjacent grid curtain wall panels are at the same level. The hoisting mechanism enables the overall hoisting of the grid curtain wall, improving construction efficiency. It has advantages such as high assembly accuracy, fast construction speed, convenient installation, and three-way adjustment, and its widespread use is expected to produce good results. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of the present invention;

[0020] Figure 2 This is a front view schematic diagram of the overall structure of an embodiment of the present invention;

[0021] Figure 3 This is a side view of the overall structure of an embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the upper beam structure in an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the beam structure in an embodiment of the present invention;

[0024] Figure 6 This is a side view schematic diagram of the steel hanger according to an embodiment of the present invention;

[0025] Figure 7 This is a schematic diagram of the hoisting mechanism structure according to an embodiment of the present invention.

[0026] In the diagram, 100 is a grille curtain wall panel; 110 is a column; 120 is a steel hanger; 121 is an adjusting groove; 122 is an adjusting block; 123 is an adjusting bolt; 130 is a steel support arm; 131 is a π-type connector; 140 is an L-shaped plate; 150 is a Z-shaped connector; 160 is a fall arresting steel wire rope; 170 is an installation block; 180 is a metal plate; 200 is a top panel; 210 is a back bolt; 300 is a bottom beam; 310 is the first frame; 320 is the second frame; 321 is a limiting groove; 330 is the third frame; 400 is the upper beam; and 410 is the first frame beam. 420. T-shaped hanger; 430. Mountain-shaped connector; 440. Connecting plate; 441. Hook; 442. Mounting cavity; 443. Waterproof strip; 500. Middle crossbeam; 510. Second frame beam; 520. L-shaped connector; 600. Lower crossbeam; 700. Lifting mechanism; 710. U-shaped clasp; 720. Thick steel plate; 721. First lifting hole; 730. Square steel pipe; 731. Second lifting hole; 740. Lower binding strap; 750. Upper binding strap; 800. Panel; 810. Side panel; 820. Top panel; 830. Outer panel. Detailed Implementation

[0027] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

[0028] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0029] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0030] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0031] like Figure 1-7 As shown, according to some embodiments of this application, a prefabricated grid curtain wall system is installed on the exterior of a building, comprising: a plurality of vertically arranged grid curtain wall panels 100; the top of the grid curtain wall panels 100 is connected to a top panel 200, and the bottom of the top panel 200 is provided with a bottom beam 300, the bottom beam 300 including a first frame 310, a second frame 320 and a third frame 330 arranged sequentially from left to right, the tops of the first frame 310 and the third frame 330 being fixed to the bottom of the panel 800 by back bolts 210, and a limiting groove 321 being provided at the bottom center of the second frame 320; an upper beam 400 is provided at the upper end of the grid curtain wall panels 100, a middle beam 500 is provided between adjacent grid curtain wall panels 100, and a bottom grid curtain wall panel 100 is provided with a bottom beam 400. The lower end of the 00 is provided with a lower crossbeam 600, and the upper crossbeam 400 includes a first frame beam 410 set at the bottom of the lower crossbeam, a T-shaped hanger 420 connected to the side of the first frame beam 410, and a mountain-shaped connector 430 set at the top of the first frame beam 410. The top of the first frame beam 410 is provided with two connecting plates 440 vertically. The two connecting plates 440 are provided with a hook portion 441 on the opposite side. The connecting plates 440 are provided with an installation cavity 442 on the side away from each other. The two ends of the mountain-shaped connector 430 extend into the hook portion 441, and the middle part of the mountain-shaped connector 430 extends into the limiting groove 321. The installation cavity 442 contacts the inner side of the first frame 310 and the third frame 330. A continuous waterproof strip 443 is provided in the installation cavity 442.

[0032] It should be noted that the T-shaped hanger 420 is machined with a long waist hole to adjust the extrusion of the outer panel 830. After the outer panel 830 is adjusted to the correct position, the toothed pad can place the T-shaped hanger 420 to move in the direction of the long waist hole.

[0033] According to some embodiments of this application, a mounting block 170 is provided at the bottom of the first frame beam 410, a metal plate 180 is provided at the bottom of the mounting block 170, an L-shaped plate 140 is provided on the outer side of the mounting block 170 and the first frame beam 410, the horizontal part of the L-shaped plate 140 is provided between the mounting block 170 and the first frame beam 410, the vertical part of the L-shaped plate 140 is fixed to the side of the metal plate 180, vertical plates are provided at both ends of the metal plate 180, Z-shaped connectors 150 are provided at the ends of the vertical plates and the first frame beam 410, the two ends of the Z-shaped connectors 150 are respectively fixedly connected to the vertical plates and the sides of the first frame beam 410 by bolts, and a fall-prevention steel wire rope 160 is provided between the side of any first frame beam 410 and the metal plate 180.

[0034] According to some embodiments of this application, the middle crossbeam 500 includes a second frame-shaped beam 510 disposed between the panel 800 and the metal plate 180 and an L-shaped connector 520 connected to the side of the second frame-shaped beam 510. The upper second frame-shaped beam 510 is fixed to the bottom of the panel 800 by a back bolt 210, and the bottom of the lower second frame-shaped beam 510 is provided with a mounting block 170. The bottom of the mounting block 170 is provided with a metal plate 180, and the outer sides of the mounting block 170 and the first frame-shaped beam 410 are provided with L-shaped plates 180. 40. The horizontal part of the L-shaped plate 140 is set between the mounting block 170 and the second frame beam 510. The vertical part of the L-shaped plate 140 is fixed to the side of the metal plate 180. The two ends of the metal plate 180 are provided with vertical plates. The ends of any vertical plate and the second frame beam 510 are provided with Z-shaped connectors 150. The two ends of the Z-shaped connectors 150 are fixedly connected to the vertical plate and the side of the second frame beam 510 by bolts respectively. A fall-prevention steel wire rope 160 is provided between the side of any first frame beam 410 and the metal plate 180.

[0035] According to some embodiments of this application, the lower crossbeam 600 is respectively disposed at the top of the top grid curtain wall panel 100 and the bottom of the bottom grid curtain wall panel 100.

[0036] According to some embodiments of this application, columns 110 are provided on both sides of the width direction of the grid curtain wall panel 100. Steel hangers 120 are provided on the columns 110 extending to the outer side of the building. An adjustment groove 121 is provided at the bottom of the extension end of the steel hanger 120. An adjustment block 122 is provided on the side of the adjustment groove 121 in the thickness direction. A through hole is provided vertically in the center of the adjustment block 122. An adjustment bolt 123 is threaded into the through hole. A steel support arm 130 is provided between the steel hanger and the outer side of the building. The side of the steel support arm 130 away from the steel hanger 120 is fixed to the outer side of the building. A π-shaped connector 131 is provided on the side of the steel support arm 130 close to the steel hanger 120. The π-shaped connector 131 extends into the adjustment groove 121 and abuts against the bottom of the adjustment bolt 123 to control the height of the grid curtain wall panel 100.

[0037] According to some embodiments of this application, a hoisting mechanism 700 is also included. The hoisting mechanism 700 includes U-shaped retaining rings 710 disposed on both sides of the column 110, thick steel plates 720 disposed at intervals on the top of the grid curtain wall panel 100, and square steel pipes 730 disposed on the top of the thick steel plates 720. The thick steel plates 720 and the square steel pipes 730 are respectively provided with a plurality of first hoisting holes 721 and second hoisting holes 731 at intervals along their length directions. The first hoisting holes 721 on both sides are connected to the U-shaped retaining rings 710 by lower binding straps 740. The other hoisting holes are connected to the top of the mountain-shaped connector 430 by lower binding straps 740. An upper binding strap 750 is provided on the top of the second hoisting hole 731.

[0038] According to some embodiments of this application, the upper crossbeam 400, the middle crossbeam 500 and the lower crossbeam 600 are all connected to a panel 800. The panel 800 includes side panels 810 symmetrically arranged inside the column 110, an upper panel 820 arranged along the upper end of the top grid curtain wall panel 100, and an outer panel 830 arranged between adjacent grid curtain wall panels 100 and connected to the outside of the connector. A composite fall protection net is provided between the outer panel 830 and the connector. The connector includes a T-shaped hanger 420 and an L-shaped hanger.

[0039] According to some embodiments of this application, the sides of the T-shaped connector and L-shaped connector 520 away from the wall are serrated, and the top surface away from the frame beam is serrated. A toothed pad is provided between the T-shaped connector and L-shaped connector 520 and the bolt, and the serrated sides of the T-shaped connector and L-shaped connector 520 engage with the teeth of the toothed pad.

[0040] According to some embodiments of this application, a construction method for a prefabricated grid curtain wall system is as follows:

[0041] A. Assembly of prefabricated grille curtain wall panel frame: The grille curtain wall panel 100 is assembled in the processing plant. The panel frame is assembled from aluminum alloy profiles. The aluminum alloy frame consists of columns 110, upper horizontal beams 400, middle horizontal beams 500 and lower horizontal beams 600. Each horizontal beam is connected to the column 110 with pan head bolts. After the frame is assembled, steel hangers 120 are installed on the columns 110 on both sides. The steel hangers 120 are fixed to the columns 110 on both sides of the frame with stainless steel screws.

[0042] B. Installation of prefabricated grid curtain wall panels: The panels 800 on both sides of the front of the grid curtain wall panel 100 are connected to the columns 110 using T-shaped connectors; the panel 800 at the top of the front of the grid curtain wall panel 100 is connected to the upper crossbeam 400 using T-shaped connectors; the panel 800 in the middle of the front of the grid curtain wall panel 100 is connected to the middle crossbeam 500 using L-shaped connectors; the panels 800 on both sides of the side of the grid curtain wall panel 100 are connected to the columns 110 using back bolts 210; and the panel 800 in the middle of the side of the grid curtain wall panel 100 is connected to the middle crossbeam 500 using back bolts 210.

[0043] C. Assembly of the prefabricated grid curtain wall panel hoisting mechanism: First, weld the steel square tube and the thick steel plate 720 together to form a whole. Then, install the upper hoisting tie straps and the lower hoisting tie straps respectively. Install U-shaped clips on the other end of the tie straps on both sides of the panel. The upper end of the remaining lower tie straps 740 is connected to the thick steel plate 720, and the lower end is connected to the mountain-shaped connector 430. When the panel is hoisted, install the mountain-shaped connector 430 on the upper crossbeam 400 of the panel. The U-shaped clips on both sides of the tie straps are connected to the steel hangers 120 on the columns 110 on both sides of the panel respectively.

[0044] D. Installation of Prefabricated Grille Curtain Wall Panels: After the grille curtain wall panels 100 are transported to the site, mobile hoisting equipment is used in conjunction with the hoisting mechanism 700 to complete the panel installation. One end of the steel support arm 130 is connected to the main structure, and the other end is connected to the π-type connector 131 by stainless steel bolts. After the grille curtain wall panels 100 are lifted to the corresponding position, the steel hanger 120 is clipped onto the π-type connector 131. The steel hanger 120 has adjusting bolts 123 to adjust the height of the panels, ensuring that adjacent panels are at the same horizontal level. The upper beam 400 of the prefabricated grille panels is equipped with a mountain-shaped connector. The upper part of the panel is connected by the steel hanger 120 and the π-type connector 131. The lower part of the panel is connected by a plug-in connection, that is, the mountain-shaped connector on the upper beam 400 of the lower panel is inserted into the bottom beam of the upper panel. During installation, the panels are installed sequentially from bottom to top.

[0045] In summary, this invention relates to the field of building curtain wall technology and discloses a prefabricated grid curtain wall system and its construction method, comprising: multiple vertically arranged grid curtain wall panels; the top of the grid curtain wall panels is connected to a top panel, and a bottom horizontal beam is provided at the bottom of the top panel. The bottom horizontal beam includes a first frame, a second frame, and a third frame arranged sequentially from left to right. The tops of the first frame and the third frame are fixed to the bottom of the panel by back bolts, and a limiting groove is provided at the bottom center of the second frame; an upper horizontal beam is provided at the upper end of the grid curtain wall panels, a middle horizontal beam is provided between adjacent grid curtain wall panels, and a lower horizontal beam is provided at the lower end of the bottom grid curtain wall panels. The upper horizontal beam includes a first frame-shaped beam, a T-shaped hanger, and a mountain-shaped connector. A connecting plate is vertically provided at the top of the first frame-shaped beam. It has the advantages of high assembly accuracy, fast construction speed, convenient installation, and three-way adjustment.

[0046] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present invention, and these improvements and substitutions should also be considered within the scope of protection of the present invention.

Claims

1. A fabricated grating curtain wall system, provided on the outer side of a building, comprising: A plurality of vertically arranged grating curtain wall plates (100); characterized in that the top of the grating curtain wall plate (100) is connected to a top panel (200), the bottom of the top panel (200) is provided with a plate bottom cross beam (300), the plate bottom cross beam (300) comprises a first frame (310), a second frame (320) and a third frame (330) arranged in sequence from left to right, the top of the first frame (310) and the third frame (330) is fixed to the bottom of the top panel (200) through a back bolt (210), and the bottom center of the second frame (320) is provided with a limiting groove (321); the upper end of the grating curtain wall plate (100) is provided with an upper cross beam (400), a middle cross beam (500) is arranged between adjacent grating curtain wall plates (100), and the lower end of the grating curtain wall plate (100) is provided with a lower cross beam (600), the upper cross beam (400) comprises a first frame beam body (410) arranged at the bottom of the plate bottom cross beam (300), a T-shaped hanging piece (420) connected to the side of the first frame beam body (410), and a mountain-shaped connecting piece (430) arranged at the top of the first frame beam body (410), the top of the first frame beam body (410) is vertically provided with two connecting plates (440), the opposite sides of the two connecting plates (440) are provided with hook portions (441), and the sides of the two connecting plates (440) away from each other are provided with mounting cavities (442), both ends of the mountain-shaped connecting piece (430) extend into the hook portions (441), the middle part of the mountain-shaped connecting piece (430) extends into the limiting groove (321), the mounting cavities (442) are in contact with the inner sides of the first frame (310) and the third frame (330), and a full-length waterproof rubber strip (443) is arranged in the mounting cavities (442).

2. The assembled grating curtain wall system according to claim 1, wherein, The bottom of the first frame beam body (410) is provided with a mounting block (170), the bottom of the mounting block (170) is provided with a metal plate (180), the outer sides of the mounting block (170) and the first frame beam body (410) are provided with L-shaped plates (140), the horizontal part of the L-shaped plate (140) is arranged between the mounting block (170) and the first frame beam body (410), the vertical part of the L-shaped plate (140) is fixed to the side surface of the metal plate (180), both ends of the metal plate (180) are provided with vertical plates, the vertical plates and the end parts of the first frame beam body (410) are provided with Z-shaped connecting pieces (150), both ends of the Z-shaped connecting piece (150) are fixedly connected with the vertical plates and the side parts of the first frame beam body (410) through bolts, and a falling prevention steel wire rope (160) is arranged between the side part of any first frame beam body (410) and the metal plate (180).

3. The prefabricated grating curtain wall system according to claim 1, wherein, The middle cross beam (500) comprises a second frame-shaped beam body (510) arranged between the panel (800) and the metal plate (180), and an L-shaped connecting piece (520) connected to the side of the second frame-shaped beam body (510), the upper end of the second frame-shaped beam body (510) is fixed to the bottom of the panel (800) through the back bolt (210), the bottom of the lower end of the second frame-shaped beam body (510) is provided with a mounting block (170), the bottom of the mounting block (170) is provided with a metal plate (180), the outer side of the mounting block (170) and the first frame-shaped beam body (410) is provided with an L-shaped plate (140), the horizontal part of the L-shaped plate (140) is arranged between the mounting block (170) and the second frame-shaped beam body (510), the vertical part of the L-shaped plate (140) is fixed to the side of the metal plate (180), the two ends of the metal plate (180) are provided with vertical plates, the end of any vertical plate and the second frame-shaped beam body (510) is provided with a Z-shaped connecting piece (150), the two ends of the Z-shaped connecting piece (150) are fixedly connected with the vertical plate and the side of the second frame-shaped beam body (510) through bolts respectively, the side of any first frame-shaped beam body (410) and the metal plate (180) are provided with a falling prevention steel wire rope (160).

4. The prefabricated grating curtain wall system according to claim 1, wherein, The lower cross beam (600) is arranged at the top of the top grid curtain wall plate (100) and the bottom of the bottom grid curtain wall plate (100) respectively.

5. The prefabricated grating curtain wall system according to claim 1, wherein, The two sides of the grid curtain wall plate (100) in the width direction are provided with vertical columns (110), the vertical columns (110) extend to the outside of the building and are provided with steel hangers (120), the bottom of the extension end of the steel hanger (120) is provided with an adjusting groove (121), the side of the adjusting groove (121) in the thickness direction is provided with an adjusting block (122), the center of the adjusting block (122) is vertically provided with a through hole, an adjusting bolt (123) is threadedly connected in the through hole, a steel support arm (130) is arranged between the steel hanger (120) and the outside of the building, the side of the steel support arm (130) away from the steel hanger (120) is fixed to the outside of the building, the side of the steel support arm (130) close to the steel hanger (120) is provided with a π-shaped connecting piece (131), the π-shaped connecting piece (131) extends into the adjusting groove (121) and abuts against the bottom of the adjusting bolt (123), and the π-shaped connecting piece (131) is used for controlling the height of the grid curtain wall plate (100).

6. The prefabricated grating curtain wall system according to claim 1, wherein, Further comprising a hoisting mechanism (700), the hoisting mechanism (700) comprises a U-shaped clasp (710) arranged on both sides of the stand column (110), a thick steel plate (720) arranged at the top of the grid curtain wall plate (100) at intervals, and a square steel pipe (730) arranged at the top of the thick steel plate (720), the length direction of the thick steel plate (720) and the square steel pipe (730) is respectively arranged with a plurality of first hoisting holes (721) and second hoisting holes (731), the two side first hoisting holes (721) are connected to the U-shaped clasp (710) through the lower binding belt (740), and the other hoisting holes are connected to the top of the mountain-shaped connecting piece (430) through the lower binding belt (740), and the top of the second hoisting hole (731) is provided with the upper binding belt (750).

7. The prefabricated grating curtain wall system according to claim 1, wherein, The upper cross beam (400), the middle cross beam (500) and the lower cross beam (600) are connected with the panel (800), the panel (800) comprises the side panel (810) arranged on the inner side of the stand column (110) and arranged symmetrically, the upper panel (820) arranged at the upper end of the top grid curtain wall plate (100), and the outer panel (830) arranged between the adjacent grid curtain wall plates (100) and connected to the outer side of the connecting piece, and the composite anti-falling net is arranged between the outer panel (830) and the connecting piece.

8. The assembled grating curtain wall system according to claim 3, wherein, The side away from the wall of the T-shaped hanging piece (420) and the L-shaped connecting piece (520) is serrated, the top away from the frame beam body is serrated, the T-shaped hanging piece (420) and the L-shaped connecting piece (520) are provided with tooth pads between the bolt, and the serrated side of the T-shaped hanging piece (420) and the L-shaped connecting piece (520) is engaged with the teeth of the tooth pad.

9. A construction method applied to the assembled grating curtain wall system according to any one of claims 1-8, characterized in that, The construction method is as follows: A, the frame assembly of the fabricated grid curtain wall plate: the grid curtain wall plate (100) is assembled in the processing factory, the plate frame is assembled by aluminum alloy profiles, the aluminum alloy frame is composed of stand columns (110), upper cross beams (400), middle cross beams (500) and lower cross beams (600), each cross beam is connected with the stand column (110) by a disc head bolt, after the frame assembly is completed, the steel hanging piece (120) is installed on the two side stand columns (110), the steel hanging piece (120) is fixed on the two side stand columns (110) of the frame by stainless steel screws; B, the panel installation of the fabricated grid curtain wall plate: the panels (800) at the positions of the two sides of the front of the grid curtain wall plate (100) are connected with the stand columns (110) by T-shaped connecting pieces, the panels (800) at the top positions of the front of the grid curtain wall plate (100) are connected with the upper cross beams (400) by T-shaped connecting pieces, the panels (800) at the middle positions of the front of the grid curtain wall plate (100) are connected with the middle cross beams (500) by L-shaped connecting pieces, the panels (800) at the two side positions of the side of the grid curtain wall plate (100) are connected with the stand columns (110) by back bolts (210), and the panels (800) at the middle positions of the side of the grid curtain wall plate (100) are connected with the middle cross beams (500) by back bolts (210). C, the assembly type grating curtain wall plate hoisting mechanism (700) assembly: first, the steel square tube and thick steel plate (720) are welded together to form a whole, and then the upper hoisting binding belt and the lower hoisting binding belt are installed respectively, the other end of the binding belt on both sides of the plate is installed with a U-shaped clasp, the upper end of the remaining lower binding belt (740) is connected with the thick steel plate (720), and the lower end is connected with the mountain-shaped connecting piece (430), when hoisting the plate, the mountain-shaped connecting piece (430) is installed on the upper cross beam (400) of the plate, and the U-shaped clasp on the binding belt on both sides is connected with the steel hanger (120) on the vertical column (110) on both sides of the plate respectively; D, the assembly type grating curtain wall plate hoisting: after the grating curtain wall plate (100) is transported to the site, the mobile hoisting equipment is used to complete the plate installation in cooperation with the hoisting mechanism (700), one end of the steel supporting arm (130) is connected with the main structure, and the other end is connected with the π-shaped connecting piece (131) through stainless steel bolts, after the grating curtain wall plate (100) is lifted to the corresponding position, the steel hanger (120) is clamped on the π-shaped connecting piece (131), the steel hanger (120) is provided with an adjusting bolt (123) for adjusting the height of the plate, so that the adjacent plates are guaranteed to be at the same horizontal height, the mountain-shaped connecting piece is installed on the upper cross beam (400) of the assembly type grating plate, the upper part of the plate is hung through the steel hanger (120) and the π-shaped connecting piece (131), and the lower part of the plate is connected through insertion, that is, the mountain-shaped connecting piece on the lower plate upper cross beam (400) is inserted into the bottom cross beam of the upper plate, and the installation is sequentially installed from bottom to top.

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