Large unit double center column connecting structure

Abstract

The utility model discloses a big unit double center pillar connecting structure, include: fixed code piece and the embedded part in the concrete are connected, and the fixed code piece corresponds the upper portion of first center pillar and second center pillar, the suspension beam is connected with the fixed code piece, the suspension code piece bottom is provided with the suspension groove, and the suspension groove is inserted with the suspension beam and cooperates, and the both sides of suspension code piece are shaped with first connecting plate and second connecting plate respectively, and the first connecting plate is connected with first center pillar, and second connecting plate is connected with second center pillar, and the suspension code piece corresponds the upper portion of first center pillar and second center pillar. The utility model discloses the scheme through suspension code piece, first connecting plate and second connecting plate realize the connection of first center pillar and second center pillar, cooperate the insertion cooperation of suspension groove and suspension beam, realize the suspension fixed of unit body through suspension code piece, and the installation operation is simple and convenient, and the overall stability is high, and the lateral stress resistance is strong.

Description

Technical Field

[0001] This utility model relates to the field of curtain wall installation technology, specifically to a large-unit double central column connection structure. Background Technology

[0002] During the installation of the upper and middle column curtain wall units, the existing connection structure uses four brackets. Two brackets are connected to the upper part of the two middle columns, and the other two brackets are connected to the bottom of the two middle columns. After the suspension is completed, the unit is then fixedly installed through the mounting base. On-site construction is difficult. Under the weight of the unit, it is impossible to ensure that the four brackets are under force at the same time, which affects the fixing effect of the unit. Utility Model Content

[0003] This utility model provides a large unit double central column connection structure, which connects the first central column and the second central column through a suspension bracket, a first connecting plate and a second connecting plate. With the insertion and cooperation of the suspension groove and the suspension beam, the unit body is suspended and fixed through the suspension bracket. The installation and operation are simple and convenient, and the overall stability is high and the resistance to lateral force is strong.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: This utility model provides a large-unit double-central-column connection structure, comprising: A fixing bracket is connected to an embedded part in the concrete, and the fixing bracket corresponds to the upper part of the first central column and the second central column. A suspension beam, which is connected to the fixing bracket; The suspension bracket has a suspension groove at its bottom, which is inserted into the suspension beam. A first connecting plate and a second connecting plate are formed on both sides of the suspension bracket. The first connecting plate is connected to the first central column, and the second connecting plate is connected to the second central column. The suspension bracket corresponds to the upper part of the first and second central columns. Multiple connectors, the first end of which is connected to the first central column and the second central column; An exterior trim piece, which is connected to the second end of a plurality of connectors.

[0005] Optionally, the fixed code includes: The U-shaped component has seat plates formed on both sides, and the two seat plates are connected to the embedded parts; The suspension beam is connected to the inner cavity of the U-shaped component.

[0006] Optionally, the embedded part includes: An embedded plate is embedded in concrete, and a through groove is provided on the surface of the embedded plate, the through groove extending horizontally. Multiple pre-embedded steel bars are welded to the pre-embedded plate and embedded in the concrete. A channel-shaped component, which is welded to the embedded part, is embedded in concrete, and its inner cavity is connected to the through groove. The T-bolt has a screw-in end located in the inner cavity of the slotted part. The width of the screw-in end of the T-bolt is smaller than the width of the through slot, and the length of the screw-in end of the T-bolt is greater than the width of the through slot. The threaded end of the T-bolt passes through the through slot and the first adjustment slot of the seat plate in sequence. The first adjustment slot extends vertically. The first pressure block is fitted onto the threaded end of the T-bolt. The first pressure block abuts against the seat plate. The surfaces of the first pressure block and the seat plate that abut against each other are provided with a plurality of first tooth-shaped tooth structures, which are distributed along the vertical direction. A connecting nut is threadedly connected to the threaded end of the T-bolt.

[0007] Optionally, the large unit double-central column connection structure further includes: A connecting cavity formed inside the suspension beam, the connecting cavity extending through both ends of the suspension beam along its length; A double-ended stud is located inside the connecting cavity, and both ends of the double-ended stud pass through the second adjustment grooves on both sides of the U-shaped part, the second adjustment grooves extending horizontally and away from the base plate; Two second pressure blocks are respectively fitted onto both ends of the double-ended stud, and the two second pressure blocks abut against the two sides of the U-shaped part. The surfaces of the two second pressure blocks and the two sides of the U-shaped part are provided with multiple second tooth-shaped structures, which are distributed in the horizontal direction. Two fixing nuts are threaded to both ends of the double-ended stud.

[0008] Optionally, the suspension beam has a positioning protrusion on its side, and the suspension bracket has a U-shaped structure, with the length of the positioning protrusion matching the inner cavity length of the suspension bracket.

[0009] Optionally, the inner walls of the suspension bracket are formed with threaded holes, which correspond to the two suspension slots respectively. Each of the two threaded holes is threaded with an adjustment bolt, and the ends of the two adjustment bolts abut against the suspension beam.

[0010] Optionally, both the first connecting plate and the second connecting plate have multiple connecting through holes on their sides, with the multiple connecting through holes corresponding to the connecting holes on the first and second central columns, respectively.

[0011] Optionally, multiple connectors may include: The support body has a V-shaped structure, and two first ends of the support body are respectively formed with a first arc-shaped plate and a second arc-shaped plate; the first arc-shaped plate is adapted to the first arc-shaped connecting surface of the first central column, and the first arc-shaped plate is bolted to the first arc-shaped connecting surface; the second arc-shaped plate is adapted to the second arc-shaped connecting surface of the second central column, and the second arc-shaped plate is bolted to the second arc-shaped connecting surface. The second end of the carrier is formed with a reinforcing plate, which is bolted to the outer decorative part.

[0012] Optionally, each of the connectors may also include: The plug-in post is formed on the surface of the reinforcing plate, the plug-in post is away from the load-bearing body, and the plug-in post is engaged with the plug-in groove of the outer decorative part.

[0013] Optionally, the outer decorative component has a hollow structure, and a positioning groove is formed on the inner wall of the outer decorative component away from the carrier. The end of the plug-in post is plugged into the positioning groove.

[0014] The above-described solution of this utility model has at least the following beneficial effects: The above-mentioned solution of this utility model connects the first central column and the second central column through the suspension bracket, the first connecting plate and the second connecting plate. With the insertion and cooperation of the suspension groove and the suspension beam, the unit body is suspended and fixed through the suspension bracket. The installation and operation are simple and convenient, and the overall stability is high and the resistance to lateral force is strong. Attached Figure Description

[0015] Figure 1 This is a top sectional view of the large-unit double-central-column connection structure provided in an embodiment of this utility model; Figure 2 yes Figure 1 Enlarged schematic diagram of part A; Figure 3 yes Figure 1 Enlarged diagram of part B; Figure 4 This is a top view of the fixing bracket in the large unit double central column connection structure provided in an embodiment of this utility model; Figure 5 This is a schematic diagram of the connection structure between the fixing bracket and the embedded part in the large unit double central column connection structure provided by an embodiment of this utility model; Figure 6This is a top view of the suspension bracket in the large-unit double-central-column connection structure provided in an embodiment of this utility model; Figure 7 This is a right view of the suspension bracket in the large-unit double-central-column connection structure provided in an embodiment of this utility model; Figure 8 This is a schematic diagram of the connection structure between the connector and the outer decorative component in the large-unit double-central-column connection structure provided in an embodiment of this utility model; Figure 9 yes Figure 8 Enlarged schematic diagram of part C; Figure 10 yes Figure 8 Enlarged schematic diagram of part D.

[0016] The annotations in the attached figures are explained as follows: 1. Embedded parts; 11. Embedded plate; 12. Embedded reinforcing bars; 13. Channel-shaped parts; 14. Through groove; 2. Fixing brackets; 21. U-shaped parts; 22. Seat plate; 23. First pressure block; 24. Connecting nut; 25. T-bolt; 26. Second adjusting groove; 27. First adjusting groove; 3. Suspension beam; 31. Connecting cavity; 32. Double-ended stud; 33. Positioning protrusion; 34. Second pressure block; 35. Fixing nut; 4. Suspension brackets; 41. 41. First connecting plate; 42. Second connecting plate; 43. Threaded hole; 44. Suspension groove; 45. Connecting through hole; 46. Height adjustment bolt; 5. First central column; 51. First arc-shaped connecting surface; 6. Second central column; 61. Second arc-shaped connecting surface; 7. Connector; 71. First arc-shaped plate; 72. Second arc-shaped plate; 73. Bearing body; 74. Insertion column; 75. Reinforcing plate; 8. Exterior decorative part; 81. Insertion groove; 82. Positioning groove. Detailed Implementation

[0017] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0018] like Figures 1-10 As shown, this utility model provides a large-unit double-central-column connection structure, including: Fixing component 2 is connected to the embedded part 1 in the concrete. Fixing component 2 corresponds to the upper part of the first central column 5 and the second central column 6. Suspension beam 3 is connected to fixing bracket 2; The suspension bracket 4 has a suspension groove 44 at its bottom, which is inserted into the suspension beam 3. The suspension bracket 4 has a first connecting plate 41 and a second connecting plate 42 formed on both sides. The first connecting plate 41 is connected to the first central column 5, and the second connecting plate 42 is connected to the second central column 6. The suspension bracket 4 corresponds to the upper part of the first central column 5 and the second central column 6. Multiple connectors 7, the first end of which is connected to the first central column 5 and the second central column 6; The exterior trim 8 is connected to the second end of a plurality of connectors 7.

[0019] In this embodiment, the fixing bracket 2 is connected to the embedded part 1 in the concrete. The fixing bracket 2 corresponds to the upper part of the first central column 5 and the second central column 6. The suspension beam 3 is connected to the fixing bracket 2. The suspension bracket 4 is connected to the first central column 5 through the first connecting plate 41, and to the second central column 6 through the second connecting plate 42. The suspension bracket 4 is connected to both the first central column 5 and the second central column 6. The suspension bracket 4 is connected to the suspension beam 3 by the insertion fit between the suspension groove 44 at the bottom of the suspension bracket 4 and the suspension bracket 3, thereby achieving the suspension and fixation of the unit. The unit is then fixed and installed by the fixing seat. The sides of the first central column 5 and the second central column 6 away from the building wall are connected to multiple connectors 7. The outer decorative part 8 is connected to the second end of the multiple connectors 7. The outer decorative part 8 ensures the overall effect of the outer side of the unit. The suspension installation operation is simple and convenient, and can ensure that the suspension connection point is accurately and stably stressed. The unit has high overall stability and strong resistance to lateral forces.

[0020] like Figure 1 and Figure 4 As shown, in an optional embodiment of the present invention, the fixing element 2 includes: U-shaped part 21, with seat plates 22 formed on both sides of U-shaped part 21, and the two seat plates 22 are connected to the embedded part 1; The suspension beam 3 is connected to the inner cavity of the U-shaped part 21.

[0021] In this embodiment, by connecting the suspension beam 3 to the inner cavity of the U-shaped part 21, the connection stability of the suspension beam 3 can be guaranteed, thereby ensuring the suspension stability of the subsequent unit body; by forming seat plates 22 on both sides of the U-shaped part 21, the connection between the fixing bracket 2 and the embedded part 1 can be achieved through the connection between the seat plates 22 and the embedded part 1.

[0022] like Figure 4 and Figure 5 As shown, in an optional embodiment of this utility model, the embedded part 1 includes: Embedded plate 11 is embedded in concrete, and a through groove 14 is provided on the surface of the embedded plate 11, which extends horizontally. Multiple pre-embedded steel bars 12 are welded to the pre-embedded plate 11 and are pre-embedded in concrete. The channel-shaped part 13 is welded to the embedded part 1. The channel-shaped part 13 is embedded in the concrete, and the inner cavity of the channel-shaped part 13 is connected to the through groove 14. T-bolt 25, the screwing end of T-bolt 25 is located in the inner cavity of the groove 13, the width of the screwing end of T-bolt 25 is less than the width of the through groove 14, the length of the screwing end of T-bolt 25 is greater than the width of the through groove 14, the threaded end of T-bolt 25 passes through the through groove 14 and the first adjusting groove 27 of the seat plate 22 in sequence, and the first adjusting groove 27 extends vertically; The first pressure block 23 is fitted onto the threaded end of the T-bolt 25. The first pressure block 23 abuts against the seat plate 22. The surfaces of the first pressure block 23 and the seat plate 22 that abut against each other are provided with multiple first tooth-shaped tooth structures, which are distributed along the vertical direction. Connecting nut 24 is threaded to the threaded end of T-bolt 25.

[0023] In this embodiment, when connecting the fixing piece 2 and the embedded piece 1, two T-bolts 25 are taken, and the screwing ends of the T-bolts 25 are aligned with the through groove 14. The screwing ends of the T-bolts 25 are inserted into the slotted piece 13 through the through groove 14. The two T-bolts 25 are rotated so that the screwing ends of the two T-bolts 25 are perpendicular to the through groove 14. Since the length of the screwing end of the T-bolt 25 is greater than the width of the through groove 14, the T-bolts 25 are fixed to the embedded plate 11 through the screwing ends of the T-bolts 25. The two T-bolts are adjusted through the through groove 14. Position the bolts 25 so that the two T-bolts 25 correspond to the first adjustment grooves 27 on the surfaces of the two seat plates 22, and the threaded ends of the two T-bolts 25 pass through the two first adjustment grooves 27 respectively. Fit the two first pressure blocks 23 onto the threaded ends of the two T-bolts 25 so that the two first pressure blocks 23 abut against the two seat plates 22. Tighten the two connecting nuts 24 onto the threaded ends of the two T-bolts 25 so that the two connecting nuts 24 are in full contact with the two first pressure blocks 23 respectively, thereby achieving the connection between the fixing bracket 2 and the embedded part 1. During the connection of the fixing component 2 and the embedded component 1, the position of the two T-bolts 25 can be adjusted through the through groove 14, thereby realizing the horizontal position adjustment of the fixing component 2. The vertical position adjustment of the fixing component 2 can be realized through the first adjustment groove 27. By adjusting the horizontal and vertical positions of the fixing component 2, the installation accuracy of the fixing component 2 can be ensured. The surfaces of the first pressing block 23 and the seat plate 22 that abut against each other are provided with multiple first tooth-shaped tooth structures. The multiple first tooth-shaped tooth structures are distributed in the vertical direction. The multiple first tooth-shaped tooth structures can realize the vertical positioning and fixing between the first pressing block 23 and the seat plate 22, thereby ensuring that the fixing code 2 is fixed in the vertical direction and ensuring the stability of the fixing code 2.

[0024] like Figure 4 As shown, in an optional embodiment of this utility model, the large unit double central column connection structure further includes: A connecting cavity 31 is formed inside the suspension beam 3, and the connecting cavity 31 extends through both ends of the suspension beam 3 along its length. The double-ended stud 32 is located in the connecting cavity 31, and the two ends of the double-ended stud 32 pass through the second adjustment groove 26 on both sides of the U-shaped part 21 respectively. The second adjustment groove 26 extends horizontally and is away from the seat plate 22. Two second pressure blocks 34 are respectively fitted onto both ends of the double-headed stud 32, and the two second pressure blocks 34 abut against the two sides of the U-shaped part 21. The surfaces of the two second pressure blocks 34 and the two sides of the U-shaped part 21 are provided with multiple second tooth-shaped tooth structures, which are distributed in the horizontal direction. Two fixing nuts 35 are threaded to both ends of the double-ended stud 32.

[0025] In this embodiment, the suspension beam 3 is placed in the inner cavity of the U-shaped part 21, the connecting cavity 31 corresponds to the second adjusting groove 26, and the double-headed stud 32 passes through the second adjusting groove 26 and the connecting cavity 31 in sequence. The two ends of the double-headed stud 32 pass through the two second adjusting grooves 26 respectively. The two second pressure blocks 34 are respectively fitted on the two ends of the double-headed stud 32, so that the two second pressure blocks 34 abut against the two sides of the U-shaped part 21 respectively. The two fixing nuts 35 are respectively screwed on the two ends of the double-headed stud 32, so that the two fixing nuts 35 are in full contact with the two second pressure blocks 34 respectively, thereby realizing the fixed installation of the suspension beam 3 in the inner cavity of the U-shaped part 21. The distance between the suspension beam 3 and the embedded part 1 can be adjusted through the second adjustment groove 26 to ensure the accuracy of the subsequent unit suspension and fixing position; Multiple second toothed structures are provided on the surfaces of the two second pressure blocks 34 and the two sides of the U-shaped part 21. The multiple second toothed structures are distributed in the horizontal direction. The multiple second toothed structures can realize the horizontal positioning and fixation of the second pressure blocks 34 and the U-shaped part 21, thereby ensuring the stability of the suspension beam 3.

[0026] like Figure 4As shown, in an optional embodiment of the present invention, the suspension beam 3 is provided with a positioning protrusion 33 on its side, and the suspension code 4 has a U-shaped structure. The length of the positioning protrusion 33 is adapted to the inner cavity length of the suspension code 4.

[0027] In this embodiment, the suspension bracket 4 adopts a U-shaped structure, which can ensure the suspension stability of the suspension bracket 4 and the suspension beam 3. The length of the positioning protrusion 33 is adapted to the inner cavity length of the suspension bracket 4. After the suspension bracket 4 and the suspension beam 3 are suspended, the inner walls on both sides of the inner cavity of the suspension bracket 4 abut against the two sides of the positioning protrusion 33 to prevent displacement between the suspension bracket 4 and the suspension beam 3, ensure the suspension stability of the suspension bracket 4 and the suspension beam 3, and improve the lateral force resistance of the unit wall.

[0028] like Figure 6 and Figure 7 As shown, in an optional embodiment of the present invention, the inner walls of the inner cavity of the suspension bracket 4 are formed with threaded holes 43, the two threaded holes 43 correspond to the two suspension grooves 44 respectively, and the two threaded holes 43 are threadedly connected with height adjustment bolts 46, the ends of the two height adjustment bolts 46 abut against the suspension beam 3.

[0029] In this embodiment, the height adjustment bolt 46 is screwed into the threaded hole 43 so that the end of the height adjustment bolt 46 abuts against the suspension beam 3, which can realize the suspension height adjustment between the suspension bracket 4 and the suspension beam 3 and ensure the accurate installation position of the unit.

[0030] like Figure 7 As shown, in an optional embodiment of the present invention, the first connecting plate 41 and the second connecting plate 42 are provided with a plurality of connecting through holes 45 through their sides, and the plurality of connecting through holes 45 correspond to the connecting holes on the first central column 5 and the second central column 6, respectively.

[0031] In this embodiment, the connection between the first connecting plate 41 and the first central column 5, and the connection between the second connecting plate 42 and the second central column 6 can be achieved by using multiple connecting through holes 45 and connecting holes on the first central column 5 and the second central column 6 with bolts and nuts.

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 8 and Figure 9 As shown, in an optional embodiment of this utility model, each of the plurality of connectors 7 includes: The support body 73 has a V-shaped structure. The two first ends of the support body 73 are respectively formed with a first arc plate 71 and a second arc plate 72. The first arc plate 71 is adapted to the first arc connecting surface 51 of the first central column 5 and is bolted to the first arc connecting surface 51. The second arc plate 72 is adapted to the second arc connecting surface 61 of the second central column 6 and is bolted to the second arc connecting surface 61. The second end of the load-bearing body 73 is formed with a reinforcing plate 75, which is bolted to the outer decorative part 8.

[0033] In this embodiment, the connection between the reinforcing plate 75 and the outer decorative part 8 is achieved by bolts, thereby achieving the connection between the second ends of multiple connectors 7 and the outer decorative part 8; The first arc-shaped plate 71 is connected to the first arc-shaped connecting surface 51 of the first central column 5 by bolts, and the second arc-shaped plate 72 is connected to the second arc-shaped connecting surface 61 of the second central column 6 by bolts, thereby realizing the connection between the first end of the multiple connecting parts 7 and the outer decorative parts 8. The first arc-shaped plate 71 and the first arc-shaped connecting surface 51 of the first central column 5 are in arc-shaped contact, and the second arc-shaped plate 72 and the second arc-shaped connecting surface 61 of the second central column 6 are in arc-shaped contact. This enables the adjustment of the connection angle of multiple first connectors 7, thereby meeting the fixing requirements of different exterior decorative parts 8 at different angles.

[0034] like Figure 8 As shown, in an optional embodiment of the present invention, each of the plurality of connectors 7 further includes: The plug-in post 74 is formed on the surface of the reinforcing plate 75. The plug-in post 74 is away from the carrier 73 and is plugged into the plug groove 81 of the outer decorative part 8.

[0035] In this embodiment, the insertion of the plug post 74 into the plug slot 81 ensures the stability of the connection between the second ends of the multiple connectors 7 and the outer decorative part 8.

[0036] like Figure 10 As shown, in an optional embodiment of the present invention, the outer decorative part 8 has a cavity structure, and the inner wall of the outer decorative part 8 away from the carrier 73 is formed with a positioning groove 82, and the end of the plug-in post 74 is plugged into the positioning groove 82.

[0037] In this embodiment, the outer decorative part 8 is a hollow structure, and the inner wall of the outer decorative part 8 away from the carrier 73 is formed with a positioning groove 82. The end of the plug-in post 74 is plugged into the positioning groove 82, which can improve the plug-in stability between the plug-in post 74 and the outer decorative part 8 and improve the resistance of the outer decorative part 8 to lateral forces.

[0038] The large-unit double-central-column connection structure provided in the above embodiments of this utility model connects the first central column 5 and the second central column 6 through the suspension bracket 4, the first connecting plate 41, and the second connecting plate 42. Combined with the insertion and engagement of the suspension groove 44 and the suspension beam 3, the unit body is suspended and fixed through the suspension bracket 4. The installation is simple and convenient, with high overall stability and strong resistance to lateral forces. The position of the two T-bolts 25 can be adjusted through the through groove 14, thereby adjusting the horizontal position of the fixing bracket 2. The position of the fixing bracket 2 can be adjusted vertically through the first adjustment groove 27. Adjusting the horizontal and vertical positions of the fixing bracket 2 ensures accurate installation. The second adjustment groove... 26 can adjust the distance between the suspension beam 3 and the embedded part 1 to ensure the accuracy of the subsequent unit body suspension and fixing position; after the suspension bracket 4 is suspended from the suspension beam 3, the inner walls of the inner cavity of the suspension bracket 4 abut against the two sides of the positioning protrusion 33 to prevent displacement between the suspension bracket 4 and the suspension beam 3, ensure the suspension stability of the suspension bracket 4 and the suspension beam 3, and improve the lateral force resistance of the unit wall; the first arc-shaped plate 71 and the first arc-shaped connecting surface 51 of the first central column 5 adopt arc-shaped surface contact, and the second arc-shaped plate 72 and the second arc-shaped connecting surface 61 of the second central column 6 adopt arc-shaped surface contact, which can realize the adjustment of the connection angle of multiple first connecting parts 7, thereby meeting the different angle fixing requirements of different exterior decorative parts 8.

[0039] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A large-unit double-central-column connection structure, characterized in that: include: Fixed bracket (2), the fixed bracket (2) is connected to the embedded part (1) in the concrete, the fixed bracket (2) corresponds to the upper part of the first central column (5) and the second central column (6); The suspension beam (3) is connected to the fixing bracket (2); The suspension bracket (4) has a suspension groove (44) at its bottom, which is inserted into the suspension beam (3). The suspension bracket (4) has a first connecting plate (41) and a second connecting plate (42) formed on both sides. The first connecting plate (41) is connected to the first central column (5), and the second connecting plate (42) is connected to the second central column (6). The suspension bracket (4) corresponds to the upper part of the first central column (5) and the second central column (6). Multiple connectors (7), the first end of the multiple connectors (7) is connected to the first central column (5) and the second central column (6); The exterior trim piece (8) is connected to the second end of a plurality of connectors (7).

2. The large-unit double-central-column connection structure according to claim 1, characterized in that, The fixed code (2) includes: U-shaped part (21), both sides of the U-shaped part (21) are formed with seat plates (22), and the two seat plates (22) are connected to the embedded part (1); The suspension beam (3) is connected to the inner cavity of the U-shaped member (21).

3. The large-unit double-central-column connection structure according to claim 2, characterized in that, The embedded part (1) includes: An embedded plate (11) is embedded in concrete, and a through groove (14) is provided on the surface of the embedded plate (11), which extends horizontally. Multiple pre-embedded steel bars (12) are welded to the pre-embedded plate (11) and are pre-embedded in concrete; The grooved part (13) is welded to the embedded part (1), the grooved part (13) is embedded in the concrete, and the inner cavity of the grooved part (13) is connected to the through groove (14). T-bolt (25), the screwing end of the T-bolt (25) is located in the inner cavity of the groove (13), the width of the screwing end of the T-bolt (25) is smaller than the width of the through groove (14), the length of the screwing end of the T-bolt (25) is greater than the width of the through groove (14), the threaded end of the T-bolt (25) passes through the through groove (14) and the first adjustment groove (27) of the seat plate (22) in sequence, and the first adjustment groove (27) extends vertically; The first pressure block (23) is fitted onto the threaded end of the T-bolt (25). The first pressure block (23) abuts against the seat plate (22). The surfaces of the first pressure block (23) and the seat plate (22) that abut against each other are provided with multiple first tooth-shaped tooth structures. The multiple first tooth-shaped tooth structures are distributed along the vertical direction. A connecting nut (24) is threaded to the threaded end of the T-bolt (25).

4. The large-unit double-central-column connection structure according to claim 2, characterized in that, Also includes: A connecting cavity (31) is formed inside the suspension beam (3), and the connecting cavity (31) extends through both ends of the suspension beam (3) in the length direction; Double-ended stud (32), the double-ended stud (32) is located in the connecting cavity (31), and the two ends of the double-ended stud (32) respectively penetrate the second adjustment groove (26) on both sides of the U-shaped part (21), the second adjustment groove (26) extends horizontally and is away from the seat plate (22). Two second pressure blocks (34) are respectively fitted onto the two ends of the double-headed stud (32), and the two second pressure blocks (34) respectively abut against the two sides of the U-shaped part (21). The surfaces of the two second pressure blocks (34) and the two sides of the U-shaped part (21) are provided with multiple second tooth-shaped tooth structures, and the multiple second tooth-shaped tooth structures are distributed in the horizontal direction. Two fixing nuts (35) are threaded to both ends of the double-ended stud (32).

5. The large-unit double-central-column connection structure according to claim 4, characterized in that, The suspension beam (3) has a positioning protrusion (33) on its side, and the suspension code (4) has a U-shaped structure. The length of the positioning protrusion (33) is adapted to the length of the inner cavity of the suspension code (4).

6. The large-unit double-central-column connection structure according to claim 5, characterized in that, The inner walls of the inner cavity of the suspension bracket (4) are formed with threaded holes (43). The two threaded holes (43) correspond to the two suspension grooves (44) respectively. The two threaded holes (43) are threaded with height adjustment bolts (46). The ends of the two height adjustment bolts (46) abut against the suspension beam (3).

7. The large-unit double-central-column connection structure according to claim 1, characterized in that, Both the first connecting plate (41) and the second connecting plate (42) have multiple connecting through holes (45) through their sides, and the multiple connecting through holes (45) correspond to the connecting holes on the first central column (5) and the second central column (6), respectively.

8. The large-unit double-central-column connection structure according to claim 1, characterized in that, The multiple connectors (7) all include: The support body (73) has a V-shaped structure. The two first ends of the support body (73) are respectively formed with a first arc plate (71) and a second arc plate (72). The first arc plate (71) is adapted to the first arc connecting surface (51) of the first central column (5), and the first arc plate (71) is bolted to the first arc connecting surface (51). The second arc plate (72) is adapted to the second arc connecting surface (61) of the second central column (6), and the second arc plate (72) is bolted to the second arc connecting surface (61). The second end of the carrier (73) is formed with a reinforcing plate (75), which is bolted to the outer decorative part (8).

9. The large-unit double-central-column connection structure according to claim 8, characterized in that, Each of the multiple connectors (7) also includes: The plug-in post (74) is formed on the surface of the reinforcing plate (75), the plug-in post (74) is away from the carrier (73), and the plug-in post (74) is engaged with the plug-in groove (81) of the outer decorative part (8).

10. The large-unit double-central-column connection structure according to claim 9, characterized in that, The outer decorative part (8) has a cavity structure. The inner wall of the outer decorative part (8) away from the carrier (73) is formed with a positioning groove (82). The end of the plug-in post (74) is plugged into the positioning groove (82).

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