Fabricated structure of high-rise cantilever concrete and mounting method

Abstract

The invention discloses a high-rise cantilever concrete fabricated structure and an installation method, the high-rise cantilever concrete fabricated structure comprises supporting columns, the total number of the supporting columns is four, second prefabricated concrete laminated cross beam frames are arranged at the positions, close to the two sides, of the tops of the four supporting columns, and a first prefabricated concrete laminated cross beam frame is arranged at the center of the tops of the four supporting columns; connecting buckle plates are fixedly connected to the two sides of the first prefabricated concrete laminated cross beam frame. According to the fabricated structure of the high-rise cantilever concrete, by adopting the design of the first prefabricated concrete laminated cross beam frame and the second prefabricated concrete laminated cross beam frame, combining the use of the connecting buckle plate, the first connecting clamping plate and the second connecting clamping plate and utilizing the fastening effect of the first fixing bolts, firm connection between the cross beam frames is achieved; the problems of infirm connection and easy loosening are effectively avoided, the stability and safety of the whole structure are remarkably improved, and the connecting strength between the supporting column and the cross beam frame is further enhanced through the supporting plate, the fixing plate and the positioning column which are arranged at the top of the supporting column.

Description

Technical Field

[0001] The invention relates to the technical field of assembled structures, and in particular to an assembled structure of high-rise cantilevered concrete and an installation method thereof. Background Art

[0002] With the acceleration of urbanization, high-rise buildings are increasingly appearing in the city's skyline. The cantilevered structures of high-rise buildings, such as balconies and observation decks, not only provide unique architectural aesthetics, but also meet people's needs for space utilization and functional diversification.

[0003] There are still some problems with the existing high-rise cantilevered prefabricated structures. On the one hand, due to the particularity of the cantilevered structure, its stability and safety are particularly important. The existing prefabricated structure connection method has problems such as loose connection and easy loosening, which makes it difficult to ensure the overall stability and safety of the structure. On the other hand, the cantilevered structure of a high-rise building needs to have a high lateral displacement resistance and seismic performance when it is subjected to external forces such as wind loads and earthquakes. Summary of the invention

[0004] The object of the present invention is to provide a high-rise cantilever concrete prefabricated structure to solve the problem raised in the above background technology that due to the particularity of the cantilever structure, its stability and safety are particularly important, the existing prefabricated structure connection method has the problems of loose connection and easy loosening, and it is difficult to ensure the overall stability and safety of the structure. The cantilever structure of the high-rise building needs to have a higher anti-lateral displacement ability and seismic performance when subjected to external forces such as wind loads and earthquakes.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: an assembled structure of high-rise cantilever concrete, comprising support columns, wherein the total number of the support columns is four, and precast concrete composite cross beam frames 2 are arranged at both sides of the tops of the four support columns, and a precast concrete composite cross beam frame 1 is arranged in the center of the tops of the four support columns, both sides of the precast concrete composite cross beam frame 1 are fixedly connected with connecting buckle plates, and the top, bottom and center of the opposite sides of the two precast concrete composite cross beam frames 2 arranged on the left and right are respectively fixedly connected with two connecting clips 2 and connecting clips 1, the tops of the precast concrete composite cross beam frame 1 and the precast concrete composite cross beam frame 2 are provided with top plates, the tops of the support columns are fixedly connected with support plates, the bottoms of the support plates are arranged at both sides, and the center of the top of the fixing plate is fixedly connected with a positioning column, and the top of the positioning column passes through the interior of the precast concrete composite cross beam frame 2 and is connected to the precast concrete The second soil composite beam frame is clamped, and the two sides of the top of the precast concrete composite beam frame are fixedly connected to a connecting seat, and a groove is opened in the center of the top of the connecting seat, and a top block is fixedly connected to the center of the bottom of the groove, and a welding plate is fixedly connected to the top of the connecting seat at the two side positions of the bottom of the top plate corresponding to the upper side of the connecting seat, and the center of the bottom of the welding plate is fixedly connected to the connecting frame, and the bottom of the connecting frame passes through the interior of the groove and is clamped with the groove, and a fixing groove is opened in the center of the bottom of the connecting frame, and limiting grooves are opened on both sides of the top block, and elastic components are movably assembled on both sides of the interior of the connecting frame corresponding to the fixing groove, and the precast concrete composite beam frame one and the precast concrete composite beam frame two are fixedly connected to the center positions of the fixing rod, and the interior of the top plate is fixedly connected with a threaded sleeve, and the bottom of the top plate is fixedly connected with a fixing sleeve corresponding to the bottom of the threaded sleeve, and the top of the fixing rod passes through the interior of the fixing sleeve and is clamped with the fixing sleeve.

[0006] Preferably, the top of the connecting buckle plate is threadedly connected with a fixing bolt 1, and the bottom of the fixing bolt 1 passes through the connecting clip 2 and the connecting clip 1 in sequence and is threadedly connected to the connecting clip 1.

[0007] Preferably, two fixing bolts are threadedly connected to both sides of the fixing plate, and the tops of the two fixing bolts sequentially penetrate the support plate and the two precast concrete composite beam frames and are threadedly connected to the two precast concrete composite beam frames.

[0008] Preferably, a reinforcing column is fixedly connected to the center between the two left and right supporting columns, and a plurality of reinforcing inclined plates are fixedly connected to the tops of the two front and rear reinforcing columns, and the tops of the reinforcing inclined plates are in contact with the bottom of the precast concrete composite cross beam frame.

[0009] Preferably, the elastic component includes a limit head, a fixed block, a connecting rod and a limit spring, the fixed block is fixedly connected to the inner wall of the connecting frame, a movable groove is opened at the center of one side of the limit head, one side of the connecting rod penetrates into the interior of the movable groove, the other side of the connecting rod is fixedly connected to the fixed block, the other side of the limit head penetrates into the interior of the limit groove and is clamped with the limit groove, the limit spring is sleeved on the connecting rod, and the two sides of the limit spring are respectively fixedly connected to the fixed block and the limit head.

[0010] Preferably, the top of the top plate is threadedly connected with a fixing bolt three, and the bottom of the fixing bolt three passes through the threaded sleeve, the fixing sleeve and the fixing rod in sequence and is threadedly connected with the top of the fixing rod.

[0011] A method for installing a high-rise cantilever concrete assembled structure comprises the following steps:

[0012] Step 1. First, four supporting columns are firmly fixed in predetermined positions as the foundation of the entire structure. Precast concrete composite beam frame 1 is first installed on the top of the four supporting columns, which is located in the center position. Subsequently, precast concrete composite beam frame 2 is installed on both sides of the four supporting columns.

[0013] Step 2: Use connecting buckle plates to connect precast concrete composite beam frame 1 with precast concrete composite beam frame 2. By rotating fixing bolt 1, the bottom of the bolt passes through connecting clip 2 and connecting clip 1 and is threadedly connected to connecting clip 1 to achieve a tight connection between the beam frames.

[0014] Step three: a support plate is fixed on the top of each support column, and fixing plates are set on both sides of the bottom of the support plate. Use fixing bolts 2 to pass through the support plate and the precast concrete composite beam frame 2 and connect them with the beam frame through threads to ensure a firm connection between the support plate and the beam frame.

[0015] Step 4: Install a reinforcement column between the left and right support columns to enhance the stability of the overall structure. Install reinforcement inclined plates on the top of the two front and rear reinforcement columns. The top of the reinforcement inclined plates contacts the bottom of the precast concrete composite crossbeam frame to form an oblique support, thereby improving the structure's ability to resist lateral displacement.

[0016] Step five, install the top plate on the top of the precast concrete composite beam frame 1 and the precast concrete composite beam frame 2, the connecting frame on the welding plate at the bottom of the top plate cooperates with the top block in the groove at the top of the connecting seat, and the stable connection between the top plate and the beam frame is ensured by the clamping connection between the limit head and the limit groove in the elastic component.

[0017] Step six: fixing rods are fixed at the center positions of precast concrete composite beam frame 1 and precast concrete composite beam frame 2, threaded sleeves and fixing sleeves are fixed inside the top plate, the top of the fixing rod passes through the inside of the fixing sleeve and is clamped with the fixing sleeve, fixing bolts 3 are used to pass through the top plate, threaded sleeve, fixing sleeve and fixing rod and are threadedly connected to the top of the fixing rod to ensure further tightening between the top plate and the beam frame.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The assembled structure of the high-rise cantilever concrete adopts the design of the precast concrete composite beam frame 1 and the precast concrete composite beam frame 2, combines the use of the connecting buckle plate, the connecting clamp plate 1 and the connecting clamp plate 2, and utilizes the tightening effect of the fixing bolt 1 to achieve a firm connection between the beam frames, effectively avoid the problem of loose connection and easy looseness, and significantly improve the stability and safety of the entire structure. The support plate, the fixing plate and the positioning column arranged on the top of the support column further enhance the connection strength between the support column and the beam frame, and ensure the overall stability of the structure. The design of the reinforcing column and the reinforcing inclined plate is introduced to enhance the stability of the structure in the horizontal direction, and significantly improve the lateral displacement resistance of the structure. In particular, when subjected to wind loads and earthquakes, it can effectively resist the influence of external forces and ensure the safety of the building. The precast concrete composite beam frame and the top plate are used in coordination through the connection seat, the connecting frame and the elastic component (including the limit head, the fixing block, the connecting rod and the limit spring) to achieve a stable connection between the top plate and the beam frame. Even when subjected to external forces, the vibration and displacement of the structure can be reduced through the buffering effect of the elastic component, and the seismic resistance of the structure is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 For the present invention Figure 1 A is a partial enlarged schematic diagram;

[0022] Figure 3 For the present invention Figure 1 A partial enlarged schematic diagram of B in the middle;

[0023] Figure 4 It is a structural stereogram of the connecting seat of the present invention;

[0024] Figure 5 It is a structural stereogram of the fixing sleeve of the present invention;

[0025] Figure 6 It is a schematic diagram of the structure of the elastic component of the present invention;

[0026] Figure 7 It is a structural stereogram of the top block of the present invention;

[0027] Figure 8 It is a structural stereogram of the limit head of the present invention.

[0028] In the figure: 1. support column; 2. precast concrete composite beam frame 1; 3. precast concrete composite beam frame 2; 4. connecting buckle plate; 5. connecting card plate 1; 6. connecting card plate 2; 7. fixing bolt 1; 8. reinforcement column; 9. reinforcement inclined plate; 10. support plate; 11. fixing plate; 12. positioning column; 13. fixing bolt 2; 14. fixing rod; 15. fixing sleeve; 16. threaded sleeve; 17. fixing bolt 3; 18. top plate; 19. connecting seat; 20. groove; 21. welding plate; 22. connecting frame; 23. fixing groove; 24. top block; 25. limiting groove; 26. elastic component; 27. limiting head; 28. movable groove; 29. ​​fixing block; 30. connecting rod; 31. limiting spring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-8The present invention provides a technical solution: an assembled structure of high-rise cantilever concrete, comprising a supporting column 1, wherein the total number of supporting columns 1 is four, and precast concrete composite cross beam frames 2 3 are arranged at both sides of the tops of the four supporting columns 1, and a precast concrete composite cross beam frame 1 2 is arranged at the center of the tops of the four supporting columns 1, and both sides of the precast concrete composite cross beam frame 1 2 are fixedly connected with connecting buckle plates 4, and the top, bottom and center of the opposite sides of the two precast concrete composite cross beam frames 2 3 arranged on the left and right are respectively fixedly connected with two connecting card plates 2 6 and connecting card plates 1 5, and the tops of the precast concrete composite cross beam frames 1 2 and the precast concrete composite cross beam frames 2 3 are provided with top plates 18, and the tops of the supporting columns 1 are fixedly connected with supporting plates 10, and the bottoms of the supporting plates 10 are arranged at both sides, and the center of the top of the fixing plate 11 is fixedly connected with a positioning column 12, and the top of the positioning column 12 penetrates into the interior of the precast concrete composite cross beam frame 2 3 and is clamped with the precast concrete composite cross beam frame 2 3. The top of the concrete composite beam frame 23 is fixedly connected to a connecting seat 19 on both sides, a groove 20 is provided at the center of the top of the connecting seat 19, and a top block 24 is fixedly connected to the center of the bottom of the groove 20. The bottom of the top plate 18 is fixedly connected to a welding plate 21 corresponding to the top of the connecting seat 19 on both sides, and a connecting frame 22 is fixedly connected to the center of the bottom of the welding plate 21. The bottom of the connecting frame 22 penetrates into the interior of the groove 20 and is engaged with the groove 20. A fixing groove 23 is provided at the center of the bottom of the connecting frame 22. Limiting grooves 25 are provided on both sides of the top block 24. Elastic components 26 are movably assembled on both sides of the connecting frame 22 corresponding to the fixing groove 23. The center positions of the precast concrete composite beam frame 1 and the precast concrete composite beam frame 23 are fixedly connected to a fixing rod 14, the inside of the top plate 18 is fixedly connected to a threaded sleeve 16, and the bottom of the top plate 18 is fixedly connected to a fixing sleeve 15 corresponding to the bottom of the threaded sleeve 16. The top of the fixing rod 14 penetrates into the interior of the fixing sleeve 15 and is engaged with the fixing sleeve 15.

[0031] The top of the connecting buckle plate 4 is threadedly connected with a fixing bolt 7, and the bottom of the fixing bolt 7 passes through the connecting card plate 2 6 and the connecting card plate 1 5 in sequence and is threadedly connected with the connecting card plate 1 5.

[0032] The fixing plate 11 is threadedly connected with fixing bolts 13 on both sides, and the tops of the fixing bolts 13 pass through the support plate 10 and the precast concrete composite beam frame 3 in sequence and are threadedly connected with the precast concrete composite beam frame 3.

[0033] A reinforcing column 8 is fixedly connected to the center between the two supporting columns 1 arranged on the left and right, and a plurality of reinforcing inclined plates 9 are fixedly connected to the tops of the two reinforcing columns 8 arranged on the front and rear, and the tops of the reinforcing inclined plates 9 are in contact with the bottom of the precast concrete composite beam frame 2.

[0034] The elastic component 26 includes a limit head 27, a fixed block 29, a connecting rod 30 and a limit spring 31. The fixed block 29 is fixedly connected to the inner wall of the connecting frame 22. A movable groove 28 is opened in the center of one side of the limit head 27. One side of the connecting rod 30 penetrates into the interior of the movable groove 28. The other side of the connecting rod 30 is fixedly connected to the fixed block 29. The other side of the limit head 27 penetrates into the interior of the limit groove 25 and is clamped with the limit groove 25. The limit spring 31 is sleeved on the connecting rod 30, and the two sides of the limit spring 31 are respectively fixedly connected to the fixed block 29 and the limit head 27.

[0035] The top of the top plate 18 is threadedly connected with a fixing bolt 3 17 , and the bottom of the fixing bolt 3 17 passes through the threaded sleeve 16 , the fixing sleeve 15 and the fixing rod 14 in sequence and is threadedly connected with the top of the fixing rod 14 .

[0036] A method for installing a high-rise cantilever concrete assembled structure comprises the following steps:

[0037] Step 1. First, four support columns 1 are firmly fixed at predetermined positions as the foundation of the entire structure. On the top of the four support columns 1, precast concrete composite beam frame 1 2 is first installed, which is located in the center position. Subsequently, precast concrete composite beam frame 2 3 is installed on both sides of the four support columns 1.

[0038] Step 2: Use connecting buckle plate 4 to connect precast concrete composite beam frame 1 2 with precast concrete composite beam frame 2 3. By rotating fixing bolt 1 7, the bottom of the bolt passes through connecting clip 2 6 and connecting clip 1 5 and is threadedly connected to connecting clip 1 5 to achieve a tight connection between the beam frames.

[0039] Step three, a support plate 10 is fixed on the top of each support column 1, and fixing plates 11 are set on both sides of the bottom of the support plate 10. Use fixing bolts 13 to pass through the support plate 10 and the precast concrete composite beam frame 3 and connect them with the beam frame through threads to ensure a firm connection between the support plate 10 and the beam frame.

[0040] Step 4: Install a reinforcing column 8 between the left and right support columns 1 to enhance the stability of the overall structure. Install a reinforcing inclined plate 9 on the top of the two front and rear reinforcing columns 8. The top of the reinforcing inclined plate 9 contacts the bottom of the precast concrete composite cross beam frame 2 to form an oblique support, thereby improving the structure's ability to resist lateral displacement.

[0041] Step five, install the top plate 18 on the top of the precast concrete composite beam frame 1 2 and the precast concrete composite beam frame 2 3, the connecting frame 22 on the welding plate 21 at the bottom of the top plate 18 cooperates with the top block 24 in the groove 20 at the top of the connecting seat 19, and the limit head 27 in the elastic component 26 is clamped with the limit groove 25 to ensure a stable connection between the top plate 18 and the beam frame.

[0042] Step six, a fixing rod 14 is fixed at the center position of the precast concrete composite beam frame 1 2 and the precast concrete composite beam frame 2 3, a threaded sleeve 16 and a fixing sleeve 15 are fixed inside the top plate 18, the top of the fixing rod 14 passes through the inside of the fixing sleeve 15 and is clamped with the fixing sleeve 15, a fixing bolt three 17 is used to pass through the top plate 18, the threaded sleeve 16, the fixing sleeve 15 and the fixing rod 14 and is threadedly connected to the top of the fixing rod 14 to ensure further tightening between the top plate 18 and the beam frame.

[0043] In summary: the assembled structure of the high-rise cantilever concrete adopts the design of precast concrete composite cross beam frame 1 2 and precast concrete composite cross beam frame 2 3, combined with the use of connecting buckle plate 4, connecting card plate 1 5 and connecting card plate 2 6, and utilizes the fastening effect of fixing bolt 1 7 to achieve a firm connection between the cross beam frames, effectively avoiding the problem of loose connection and easy loosening, and significantly improving the stability and safety of the entire structure. The support plate 10, fixing plate 11 and positioning column 12 arranged on the top of the support column 1 further enhance the connection strength between the support column 1 and the cross beam frame, ensuring the overall stability of the structure. The introduction of reinforcing column 8 and adding The design of the fixed inclined plate 9 strengthens the stability of the structure in the horizontal direction and significantly improves the structure's ability to resist lateral displacement, especially when subjected to wind loads and earthquakes. It can effectively resist the influence of external forces and ensure the safety of the building. The precast concrete composite beam frame and the top plate 18 are connected by the use of a connecting seat 19, a connecting frame 22 and an elastic component 26 (including a limit head 27, a fixing block 29, a connecting rod 30 and a limit spring 31), thereby achieving a stable connection between the top plate 18 and the beam frame. Even when subjected to external forces, the buffering effect of the elastic component 26 can reduce the vibration and displacement of the structure, thereby improving the seismic performance of the structure.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-rise cantilever concrete assembled structure, comprising a support column (1), characterized in that: The total number of support columns (1) is four, and the tops of the four support columns (1) are each provided with a precast concrete composite cross beam frame 2 (3) at both sides, and the center of the tops of the four support columns (1) is provided with a precast concrete composite cross beam frame 1 (2), and both sides of the precast concrete composite cross beam frame 1 (2) are fixedly connected with connecting buckle plates (4), and the tops, bottoms and centers of the two precast concrete composite cross beam frames 2 (3) arranged on the left and right sides on opposite sides are respectively fixedly connected with two connecting clips 2 (6) and a connecting clip 1 (5), and the precast concrete composite cross beam frame 1 (2) and A top plate (18) is provided at the top of the second precast concrete composite cross beam frame (3); a support plate (10) is fixedly connected to the top of the support column (1); fixed plates (11) are provided at both sides of the bottom of the support plate (10); a positioning column (12) is fixedly connected to the center of the top of the fixing plate (11); the top of the positioning column (12) penetrates into the interior of the second precast concrete composite cross beam frame (3) and is clamped with the second precast concrete composite cross beam frame (3); and connecting seats (19) are fixedly connected to both sides of the top of the second precast concrete composite cross beam frame (3). A groove (20) is provided at the center of the top of the connecting seat (19), a top block (24) is fixedly connected to the center of the bottom of the groove (20), a welding plate (21) is fixedly connected to the top of the connecting seat (19) at the two sides of the bottom of the top plate (18), a connecting frame (22) is fixedly connected to the center of the bottom of the welding plate (21), the bottom of the connecting frame (22) penetrates into the inside of the groove (20) and is clamped with the groove (20), a fixing groove (23) is provided at the center of the bottom of the connecting frame (22), and limited grooves are provided on both sides of the top block (24). The connecting frame (22) has a plurality of fixed grooves (25), and both sides of the interior of the connecting frame (22) corresponding to the interior of the fixed groove (23) are movably equipped with elastic components (26), the center positions of the precast concrete composite beam frame 1 (2) and the precast concrete composite beam frame 2 (3) are fixedly connected with a fixing rod (14), the interior of the top plate (18) is fixedly connected with a threaded sleeve (16), the bottom of the top plate (18) corresponds to the bottom of the threaded sleeve (16) and is fixedly connected with a fixing sleeve (15), and the top of the fixing rod (14) passes through the interior of the fixing sleeve (15) and is clamped with the fixing sleeve (15).

2. The high-rise cantilever concrete assembled structure according to claim 1 is characterized by: The top of the connecting buckle plate (4) is threadedly connected with a fixing bolt (7), and the bottom of the fixing bolt (7) passes through the connecting clamp plate (6) and the connecting clamp plate (5) in sequence and is threadedly connected to the connecting clamp plate (5).

3. The high-rise cantilever concrete assembled structure according to claim 1 is characterized by: The fixing plate (11) is threadedly connected with fixing bolts (13) on both sides, and the tops of the fixing bolts (13) pass through the support plate (10) and the precast concrete composite cross beam frame (3) in sequence and are threadedly connected to the precast concrete composite cross beam frame (3).

4. The high-rise cantilever concrete assembled structure according to claim 1 is characterized by: A reinforcing column (8) is fixedly connected at the center between the two support columns (1) arranged on the left and right, and a plurality of reinforcing inclined plates (9) are fixedly connected at the tops of the two reinforcing columns (8) arranged on the front and rear, wherein the tops of the reinforcing inclined plates (9) are in contact with the bottom of the precast concrete composite cross beam frame (2).

5. The high-rise cantilever concrete assembled structure according to claim 1 is characterized by: The elastic component (26) comprises a limit head (27), a fixed block (29), a connecting rod (30) and a limit spring (31); the fixed block (29) is fixedly connected to the inner wall of the connecting frame (22); a movable groove (28) is provided at the center of one side of the limit head (27); one side of the connecting rod (30) penetrates into the inside of the movable groove (28); the other side of the connecting rod (30) is fixedly connected to the fixed block (29); the other side of the limit head (27) penetrates into the inside of the limit groove (25) and is clamped with the limit groove (25); the limit spring (31) is sleeved with the connecting rod (30); and the two sides of the limit spring (31) are fixedly connected to the fixed block (29) and the limit head (27) respectively.

6. The high-rise cantilever concrete assembled structure according to claim 1 is characterized by: The top of the top plate (18) is threadedly connected with a fixing bolt three (17), and the bottom of the fixing bolt three (17) passes through the threaded sleeve (16), the fixing sleeve (15) and the fixing rod (14) in sequence and is threadedly connected with the top of the fixing rod (14).

7. A method for installing a high-rise cantilever concrete assembled structure according to any one of claims 1 to 6, characterized in that: The steps include: Step 1: First, four support columns (1) are firmly fixed at predetermined positions as the foundation of the entire structure. Precast concrete composite beam frame 1 (2) is first installed on the top of the four support columns (1), which is located at the center. Subsequently, precast concrete composite beam frame 2 (3) is installed on both sides of the four support columns (1); Step 2: Use the connecting buckle plate (4) to connect the precast concrete composite beam frame 1 (2) with the precast concrete composite beam frame 2 (3); rotate the fixing bolt 1 (7) so that its bottom passes through the connecting clip plate 2 (6) and the connecting clip plate 1 (5) and is threadedly connected to the connecting clip plate 1 (5), thereby achieving a tight connection between the beam frames; Step 3: A support plate (10) is fixed on the top of each support column (1), and fixing plates (11) are arranged on both sides of the bottom of the support plate (10). Fixing bolts (13) are passed through the support plate (10) and the precast concrete composite cross beam frame (3) and are threadedly connected to the cross beam frame to ensure a stable connection between the support plate (10) and the cross beam frame; Step 4: A reinforcing column (8) is installed between the left and right support columns (1) to enhance the stability of the overall structure. A reinforcing inclined plate (9) is installed on the top of the two reinforcing columns (8) arranged in front and behind. The top of the reinforcing inclined plate (9) contacts the bottom of the precast concrete composite cross beam frame (2) to form an oblique support to enhance the anti-lateral displacement capability of the structure. Step 5: Install the top plate (18) on the top of the precast concrete composite cross beam frame 1 (2) and the precast concrete composite cross beam frame 2 (3); the connecting frame (22) on the welding plate (21) at the bottom of the top plate (18) cooperates with the top block (24) in the groove (20) at the top of the connecting seat (19); and the limit head (27) in the elastic component (26) is engaged with the limit groove (25) to ensure a stable connection between the top plate (18) and the cross beam frame; Step 6: A fixing rod (14) is fixed at the center position of the precast concrete composite cross beam frame 1 (2) and the precast concrete composite cross beam frame 2 (3); a threaded sleeve (16) and a fixing sleeve (15) are fixed inside the top plate (18); the top of the fixing rod (14) passes through the inside of the fixing sleeve (15) and is clamped with the fixing sleeve (15); a fixing bolt 3 (17) is used to pass through the top plate (18), the threaded sleeve (16), the fixing sleeve (15) and the fixing rod (14) and is threadedly connected with the top of the fixing rod (14) to ensure further tightening between the top plate (18) and the cross beam frame.

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