CN221896034U - A building decoration ceiling assembly transfer layer installation system - Google Patents

Abstract

The utility model provides a building decoration ceiling assembly type transition layer installation system, which relates to the field of building interior decoration ceilings, and solves the problem that the transition layer is directly welded on the steel structure, which affects the stress of the steel structure. The building decoration ceiling assembly type transition layer installation system includes: a plurality of transition layer uprights; the first ends of the transition layer uprights are connected to the I-beam of the top structure through a first connecting piece; the second ends of the transition layer uprights are connected to the ceiling keel through a second connecting piece. The solution of the utility model realizes the quick installation of the ceiling assembly type transition layer, avoids the influence of welding on the stress of the steel structure, and avoids the hidden danger of welding fire.

Description

A building decoration ceiling assembly transfer layer installation system

Technical Field

The utility model relates to the field of building interior decorative ceilings, in particular to an assembled conversion layer installation system for building decorative ceilings.

Background Art

In the construction of indoor ceilings in buildings, due to the high floor height, when the vertical distance between the finished surface of the ceiling and the original roof steel structure exceeds 2.5 meters, a transfer layer needs to be added to increase the stability of the ceiling. Since the original roof structure is an H-shaped or I-shaped steel structure, the transfer layer should not be directly welded to the steel structure, as welding affects the stress of the steel structure.

Utility Model Content

The utility model provides a building decoration ceiling assembly type transition layer installation system, which solves the problem that the transition layer is directly welded on the steel structure and affects the stress of the steel structure.

In order to solve the above technical problems, the technical solution of the utility model is as follows:

The embodiment of the utility model provides a building decoration ceiling assembly type transition layer installation system, comprising:

Multiple transfer level poles;

The first ends of the transfer layer uprights are connected to the I-beams of the top structure through first connecting pieces;

The second ends of the transition layer uprights are connected to the ceiling keel through second connecting pieces.

Optionally, the first connecting member includes:

A connecting rod abutting against the I-beam of the top structure;

A hoop, sleeved on the outside of the connecting rod;

A beam clamp is connected to the hoop by bolts and abuts against the I-beam of the top structure;

The beam clamp cooperates with the connecting rod and is clamped on the wing plate of the I-beam of the top structure.

Optionally, the first connecting member further includes:

A first angle bracket, a first end of which is connected to the connecting rod by bolts;

A first adjustment hole is provided on the second end of the first angle code, and a first self-tapping screw is passed through the first adjustment hole and connected to the first end of the conversion layer vertical pole.

Optionally, the ceiling skeleton includes:

A plurality of main keels, wherein the main keels are connected to the second ends of the transition layer uprights via second connecting members;

A plurality of secondary keels are connected to the main keel by bolts.

Optionally, the secondary keels are connected by splicing pieces and fixed by bolts.

Optionally, the second connecting member includes:

A second angle code, a first end of which is connected to the ceiling keel frame by bolts;

A second adjustment hole is provided on the second end of the second angle code, and a second self-tapping screw is passed through the second adjustment hole and connected to the second end of the conversion layer vertical rod.

Optionally, the building decoration ceiling assembly type conversion layer installation system further includes:

Oblique support rod;

The first end of the oblique support rod is connected to the first end of the transition layer vertical rod through a third connecting member;

The second end of the oblique support rod is connected to the ceiling keel through a fourth connecting piece.

Optionally, the third connecting member includes:

A first rotating shaft base is connected to the first end of the transition layer vertical pole by bolts;

A first connecting sleeve, a first end of which is connected to the first rotating shaft base by bolts, and a second end of which is sleeved on the first end of the oblique supporting rod;

A third adjustment hole is formed at the second end of the first connecting sleeve, and a third self-tapping screw is passed through the third adjustment hole and connected to the first end of the oblique support rod.

Optionally, the fourth connecting member includes:

The second rotating shaft base is connected to the ceiling keel frame by bolts;

A second connecting sleeve, a first end of which is connected to the second rotating shaft base by bolts, and a second end of which is sleeved on the second end of the oblique support rod;

A fourth adjustment hole is formed at the second end of the second connecting sleeve, and a fourth self-tapping screw is passed through the fourth adjustment hole and connected to the second end of the oblique support rod.

The above solution of the utility model includes at least the following beneficial effects:

The utility model discloses a building decoration ceiling assembly type transition layer installation system, comprising: a plurality of transition layer uprights; the first ends of the transition layer uprights are connected to the I-beam of the top structure through a first connecting piece; the second ends of the transition layer uprights are connected to the ceiling keel through a second connecting piece. The fast installation of the ceiling assembly transition layer is achieved, the stress of the steel structure is avoided from being affected by welding, and the fire hazard of welding is avoided.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the structure of the utility model of the building decoration ceiling assembly transfer layer installation system;

FIG2 is a detailed structural diagram of the utility model of the building decoration ceiling assembly type transfer layer installation system;

FIG3 is a front view of the utility model of the building decoration ceiling assembly type transfer layer installation system in the installed state;

FIG4 is a side view of the utility model of the building decoration ceiling assembly transfer layer installation system in the installed state;

FIG5 is an enlarged view of FIG3 at point A;

Fig. 6 is an enlarged view of Fig. 3 at point B;

FIG7 is an enlarged view of FIG4 at position C;

FIG8 is an enlarged view of FIG4 at D;

9 is a schematic diagram of a first angle code of the building decoration ceiling assembly transfer layer installation system of the utility model;

FIG. 10 is an enlarged view of point E in FIG. 2 .

Description of reference numerals:

1. I-beam of the top structure; 11. Main beam; 12. Secondary beam; 2. Transition layer vertical pole; 21. Connecting rod; 22. Hoop; 23. Beam clamp; 24. First angle code; 25. First adjustment hole; 3. Ceiling keel frame; 31. Main keel; 32. Secondary keel; 33. Second angle code 34. Second adjustment hole; 35. Joint; 4. Diagonal support rod; 41. First rotating shaft base; 42. First connecting sleeve; 43. Third adjustment hole; 44. Second rotating shaft base; 45. Second connecting sleeve; 46. Fourth adjustment hole; 5. Ceiling materials.

DETAILED DESCRIPTION

The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

As shown in FIGS. 1 to 10 , an embodiment of the utility model provides a building decoration ceiling assembly type transfer layer installation system, comprising:

A plurality of transfer layer poles 2;

The first ends of the transfer layer uprights 2 are connected to the I-beams 1 of the top structure through first connectors;

The second ends of the transfer layer uprights 2 are connected to the ceiling keel 3 via second connecting pieces.

In this embodiment, the transfer layer upright 2 serves as an intermediate component connecting the I-beam 1 of the top structure and the ceiling keel 3, and can be adjusted in height as needed to adapt to the requirements of ceiling materials of different thicknesses or different space heights; the first connecting piece connects the I-beam 1 of the top structure and the transfer layer upright 2, and the second connecting piece connects the transfer layer upright 2 and the ceiling keel 3, so as to realize the connection and fixation of the entire ceiling steel frame and ensure the stability and firmness of the entire structure; the transfer layer upright 2 adopts an assembled welding-free design, which can avoid welding procedures, reduce construction difficulty and time, and improve construction efficiency. At the same time, due to the use of a modular structure, it can be assembled and disassembled according to actual needs, which is convenient for transportation and installation. The assembled transfer layer installation system for building decoration ceiling has the functions of load-bearing, height adjustment, connection and simplified construction, which can provide convenience and stability for the installation of the ceiling; the I-beam 1 of the top structure is the main load-bearing part of the entire ceiling steel frame and can bear the weight of the ceiling. The weight of the ceiling is transmitted through the transfer layer upright 2 to the main beam 11 to ensure the stability and safety of the suspended ceiling; the I-beam 1 of the top structure includes a main beam 11 and a secondary beam 12, and the main beam 11 is connected to the secondary beam 12 and is perpendicular to each other; the main beam 11 and the secondary beam 12 jointly bear the weight of the suspended ceiling, the main beam 11 is responsible for bearing the main load, and the secondary beam 12 plays the role of auxiliary support. In this way, the transition layer can effectively disperse and transfer the weight of the suspended ceiling, ensure the stability and safety of the suspended ceiling, the main beam 11 and the secondary beam 12 are vertically connected to each other to ensure the structural stability, and are connected to each other to form a solid frame to support the suspended ceiling keel and suspended ceiling materials to prevent the transition layer from loosening or deformation; the architectural decoration ceiling assembled transition layer installation system, through the design of connecting the transition layer and the original top I-beam structure with metal clips, realizes the quick installation of the ceiling ceiling matching transition layer, avoids the influence of welding on the stress of the steel structure, and avoids the hidden danger of welding fire; the vertical pole connection angle code can adjust the flatness up and down for easy installation; the inclined support rod can adjust the angle and length for easy installation.

In an optional embodiment of the present utility model, the first connecting member includes:

A connecting rod 21 abuts against the I-beam 1 of the top structure;

A hoop 22 is sleeved on the outside of the connecting rod 21;

The beam clamp 23 is connected to the hoop 22 by bolts and abuts against the I-beam 1 of the top structure;

The beam clamp 23 cooperates with the connecting rod 21 and is clamped on the wing plate of the I-beam 1 of the top structure.

In this embodiment, the connecting rod 21 is in contact with the main beam 11, and the main beam 11 is connected to the transfer layer upright 2 by fixing the connecting rod, which can ensure the firm connection between the main beam 11 and the transfer layer upright 2, and increase the stability of the entire ceiling steel frame; the clamp 22 is sleeved on the outside of the connecting rod 21, fixed by bolts, and then abutted against the beam clamp 23. The combination of the clamp 22 and the beam clamp 23 forms a stable connection device, which can strengthen the connection between the connecting rod 21 and the main beam 11, improve the stability and load-bearing capacity of the entire transfer layer, and adapt to different wing plates; the beam clamp 23 cooperates with the connecting rod 21 and is clamped on the wing plate of the main beam 11, so that the beam clamp 23 can completely fit the wing plate of the main beam 11 to ensure the tight connection. Tightness and stability. At the same time, the structure of the beam clamp can also be adjusted according to the size of different main beams 11 to adapt to main beams 11 with different wing plate sizes, which is convenient for installation and disassembly. The bolt connection makes installation and disassembly more convenient. By tightening or loosening the bolts, you can easily connect or release the connecting rods, hoops and beam clamps, which is convenient for assembly and disassembly, reducing construction time and labor. The first connecting part of the building decoration ceiling assembled transition layer installation system can achieve a firm connection between the main beam 11 and the transition layer upright 2 through a combination of connecting rods, hoops and beam clamps, thereby enhancing the stability and load-bearing capacity of the entire transition layer. At the same time, it also has the characteristics of convenient installation and disassembly, which improves construction efficiency and convenience.

In an optional embodiment of the present utility model, the first connecting member further includes:

A first angle bracket 24, a first end of which is connected to the connecting rod 21 by bolts;

A first adjustment hole 25 is formed on the second end of the first angle code 24 , and a first self-tapping screw is passed through the first adjustment hole 25 and connected to the first end of the conversion layer upright 2 .

In this embodiment, as shown in FIG. 9 , the first angle code 24 is connected to the connecting rod 21 by bolts, so that the connection is more secure. The first end of the first angle code 24 is connected to the connecting rod 21 by bolts, which increases the stability and bearing capacity of the connection. A first adjustment hole 25 is provided on the second end of the first angle code 24, and a first self-tapping screw can be inserted through the first adjustment hole 25 to connect with the first end of the transfer layer upright 2. By adjusting the position of the first self-tapping screw, the height between the transfer layer upright and the connecting rod can be flexibly adjusted to meet the requirements of different thicknesses of ceiling materials or different space heights. The design of the first angle code 24 and the first adjustment hole 25 makes The installation of the connecting piece is more convenient. By connecting the first angle code and the connecting rod with bolts and then connecting the transfer layer uprights with the first self-tapping screws, the entire connecting piece can be easily fixed, reducing the steps and time of installation, and increasing the stability and firmness of the connecting piece, ensuring that the connection between the transfer layer uprights and the main beam 11 is stable and reliable. The first connecting piece of the architectural decoration ceiling assembled transfer layer installation system can strengthen the connection, adjust the height, simplify the installation and enhance the stability through the design of the first angle code and the first adjustment hole, making the installation of the transfer layer more flexible and convenient, and can adapt to the requirements of ceiling materials of different thicknesses or different space heights.

In an optional embodiment of the utility model, the ceiling skeleton 3 includes:

A plurality of main keels 31, wherein the main keels 31 are connected to the second ends of the transition layer uprights 2 via second connecting members;

A plurality of secondary keels 32 are provided, and each of the secondary keels 32 is connected to the main keel 31 by bolts.

In this embodiment, the main keel 31 is the main load-bearing part of the ceiling keel frame 3, which can bear the weight of the ceiling material 5. As shown in Figure 3, the ceiling material 5 is connected to the ceiling keel frame 3 through the suspension rod; the main keel 31 is connected to the second end of the transition layer upright 2 through the second connecting member to ensure the firm connection between the main keel 31 and the transition layer upright 2, and the secondary keel 32 is connected to the main keel 31 through bolts to form a solid frame, which enhances the stability and connectivity of the ceiling keel frame 3; by adjusting the position of the secondary keel 32, it can be adjusted according to actual needs The spacing and position of the ceiling keel frame 3 are adapted to different ceiling materials and layout requirements. The connection between the main keel 31 and the secondary keel 32 adopts a bolt connection method, which avoids the welding process and simplifies the construction process. At the same time, due to the characteristics of the bolt connection, the installation and disassembly of the main keel 31 and the secondary keel 32 are more convenient, which improves the construction efficiency. The ceiling keel frame 3 of the building decoration ceiling assembled transition layer installation system can enhance the stability and firmness of the ceiling through the connection between the main keel 31 and the secondary keel 32, and is easy to adjust and install according to actual needs.

In an optional embodiment of the present invention, the secondary keels 32 are connected by a splicing piece 35 and fixed by bolts.

In this embodiment, every two secondary keels 32 are connected by a splicing piece 35 to form a stable connection point. The splicing piece 35 can make the connection between the secondary keels 32 more solid, thereby increasing the stability of the entire ceiling keel frame 3 structure. After the splicing piece 35 is connected to the secondary keel 32, it is fixed by bolts, which can increase the overall rigidity and bearing capacity of the ceiling keel frame 3, effectively support the ceiling material 5, and evenly distribute the weight of the ceiling to each secondary keel 32, thereby maintaining the balance and stability of the ceiling. Through the connection method of the splicing piece 35 and the bolts, the installation and disassembly process is more convenient, and the screwing is convenient. Tightening the bolts can firmly connect the various secondary keels 32, while loosening the bolts can facilitate disassembly, which can greatly simplify the construction process and improve construction efficiency; the splicing piece 35 allows the length of the secondary keel 32 to be adjusted according to actual needs to adapt to the distance between different secondary keels 32, and can flexibly adapt to various ceiling structures and layout requirements. In the architectural decoration ceiling assembled transition layer installation system, the secondary keels 32 are connected by the splicing piece 35 and fixed by bolts. The installation of the ceiling keel frame 3 is more convenient and flexible, and can adapt to the distance between different secondary keels 32.

In an optional embodiment of the present utility model, the second connecting member includes:

The second angle code 33, the first end of which is connected to the ceiling keel frame 3 by bolts;

A second adjustment hole 34 is formed on the second end of the second angle code 33 , and a second self-tapping screw is passed through the second adjustment hole 34 and connected to the second end of the conversion layer upright 2 .

In this embodiment, the first end of the second angle code 33 is connected to the main keel 31 by bolts, which increases the stability and firmness of the connection, can ensure the firm connection between the main keel 31 and the transfer layer upright 2, and improve the stability and bearing capacity of the entire transfer layer; a second adjustment hole 34 is provided on the second end of the second angle code 33, and a second self-tapping screw can be inserted through the second adjustment hole 34 to connect with the second end of the transfer layer upright 2. By adjusting the position of the second self-tapping screw, the height between the transfer layer upright 2 and the main keel 31 can be flexibly adjusted to adapt to the requirements of ceiling materials 5 of different thicknesses or different space heights; the design of the second angle code 33 and the second adjustment hole 34 makes the installation of the connecting piece more convenient, and the second angle code 33 can be connected by bolts. And the main keel 31, and then the transition layer upright 2 is connected by the second self-tapping screw, which can easily fix the entire connecting piece, reducing the steps and time of installation; the second angle code 33, as a part of the connecting piece, strengthens the connection between the main keel 31 and the transition layer upright 2. Through the combination of bolts and the second self-tapping screws, the stability and firmness of the connecting piece are increased, ensuring that the connection between the transition layer upright 2 and the main keel 31 is stable and reliable. The second connecting piece of the architectural decoration ceiling assembled transition layer installation system is designed with the second angle code 33 and the second adjustment hole 34. The second angle code 33 has the same structure as the first angle code 24, which makes the installation of the conversion layer more flexible and convenient, and can adapt to the requirements of ceiling materials 5 of different thicknesses or different space heights.

In an optional embodiment of the utility model, the building decoration ceiling assembly type conversion layer installation system further includes:

Oblique support rod 4;

The first end of the oblique support rod 4 is connected to the first end of the transition layer vertical rod 2 via a third connecting piece;

The second end of the oblique support rod 4 is connected to the ceiling keel 3 via a fourth connecting piece.

In this embodiment, the oblique support rod 4 can increase the stability of the entire ceiling steel frame transition layer by connecting the transition layer upright rod 2 and the main keel 31, prevent the main keel 31 from being displaced or sunk during the construction process, and maintain the balance and stability of the ceiling; the oblique support rod 4, as a part of the supporting structure, bears a part of the weight of the ceiling, and transfers the weight of the ceiling to the upper structure by connecting the transition layer upright rod 2 and the main keel 31, thereby maintaining the bearing capacity and stability of the ceiling. The connection method of the oblique support rod 4 can adjust the angle between it and the transition layer upright rod 2 and the main keel 31, and the angle between the oblique support rod 4 and the transition layer upright rod 2 and the main keel 31 can be adjusted by adjusting the third connecting piece and the fourth connecting piece. The position of the connecting parts can flexibly adjust the angle of the diagonal support rod 4 to adapt to different ceiling designs and space requirements; the diagonal support rod 4 is connected by connecting parts and bolts, which simplifies the construction process. The design of the connecting parts and bolts makes the installation and disassembly of the diagonal support rod more convenient and improves the construction efficiency. The diagonal support rod in the assembled transition layer installation system of the building decoration ceiling is connected to the transition layer vertical rod 2 and the main keel 31 through the third connecting part and the fourth connecting part. The third connecting part and the fourth connecting part have the same structure, which can enhance the stability and firmness of the ceiling and is convenient for adjustment and installation according to actual needs.

In an optional embodiment of the present utility model, the third connecting member includes:

The first rotating shaft base 41 is connected to the first end of the conversion layer upright pole 2 by bolts;

A first connecting sleeve 42, a first end of which is connected to the first rotating shaft base 41 by bolts, and a second end of which is sleeved on the first end of the oblique supporting rod 4;

A third adjustment hole 43 is formed at the second end of the first connecting sleeve 42 , and a third self-tapping screw is passed through the third adjustment hole 43 and connected to the first end of the oblique support rod 4 .

In this embodiment, the connection between the first rotating shaft base 41 and the first connecting sleeve 42 can provide a stable connection to ensure the structural stability of the suspended ceiling steel frame. The sleeve design of the first connecting sleeve 42 can make the connection between the transition layer upright 2 and the diagonal support rod 4 more secure, thereby increasing the load-bearing capacity of the entire suspended ceiling steel frame. The setting of the third adjustment hole 43 can realize flexible adjustment of the connection between the diagonal support rod 4 and the transition layer upright 2 to adapt to different height requirements or adjust the inclination angle of the rod. The use of the third self-tapping screw can simplify the installation process and improve construction efficiency. The architectural decoration ceiling assembled transition layer installation system can realize reliable connection and adjustment functions and improve the stability and adaptability of the suspended ceiling steel frame.

In an optional embodiment of the present utility model, the fourth connecting member includes:

The second rotating shaft base 44 is connected to the ceiling keel frame 3 by bolts;

A second connecting sleeve 45, a first end of which is connected to the second rotating shaft base 44 by bolts, and a second end of which is sleeved on the second end of the oblique support rod 4;

A fourth adjustment hole 46 is formed at the second end of the second connecting sleeve 45 , and a fourth self-tapping screw is passed through the fourth adjustment hole 46 and connected to the second end of the oblique support rod 4 .

In this embodiment, the connection between the second rotating shaft base 44 and the second connecting sleeve 45 can provide a stable connection to ensure the structural stability of the suspended ceiling steel frame; the sleeve design of the second connecting sleeve 45 can make the connection between the main keel 31 and the oblique support rod 4 more secure, thereby increasing the load-bearing capacity of the entire suspended ceiling steel frame; the setting of the fourth adjustment hole 46 can realize flexible adjustment of the connection between the oblique support rod 4 and the main keel 31 to adapt to different height requirements or adjust the inclination angle of the rod; the use of the fourth self-tapping screw can simplify the installation process and improve construction efficiency, and the welding-free suspended ceiling steel frame conversion layer can realize reliable connection and adjustment functions, thereby improving the stability and adaptability of the suspended ceiling steel frame.

The working principle of the building decoration ceiling assembly transfer layer installation system described in the utility model is that the beam clamp 23 and the hoop 22 are used to fix the connection between the I-beam 1 of the top structure and the transfer layer upright 2, which can ensure the firm connection between the I-beam 1 of the top structure and the transfer layer upright 2 to prevent them from displacement or loosening during use; the connecting rod 21 and the first angle code 24 are used as connecting parts to connect the I-beam 1 of the top structure with the transfer layer upright 2, and the connecting rod makes the connection between the I-beam 1 of the top structure and the transfer layer upright 2 more stable, and the first angle code 24 is connected by bolts The connecting rod 21 is connected to the transfer layer upright 2, which enhances the connection stability between the transfer layer upright 2 and the I-beam 1 of the top structure, ensuring the stability and bearing capacity of the entire transfer layer; the transfer layer upright 1 and the ceiling keel 3 are supported by the inclined support rod 4, and the inclined support rod 4 has the characteristics of adjustable angle and length, and the angle and length can be adjusted according to actual needs. By adjusting the angle and length of the inclined support rod 4, a suitable supporting relationship can be formed between the transfer layer upright 2 and the ceiling keel 3, thereby improving the stability and firmness of the entire structure.

The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (7)

1. A building decoration ceiling assembly transfer layer installation system, characterized by comprising: A plurality of transfer layer uprights (2); The first ends of the transfer layer uprights (2) are connected to the I-beams (1) of the top structure via first connecting pieces; The second ends of the transfer layer uprights (2) are connected to the ceiling keel (3) via second connecting pieces; Wherein, the first connecting member comprises: A connecting rod (21) abuts against the I-beam (1) of the top structure; A hoop (22) sleeved on the outside of the connecting rod (21); A beam clamp (23) is connected to the hoop (22) by bolts and abuts against the I-beam (1) of the top structure; The beam clamp (23) cooperates with the connecting rod (21) and is clamped on the wing plate of the I-beam (1) of the top structure; The second connecting member comprises: A second angle code (33), a first end of which is connected to the ceiling keel frame (3) by bolts; A second adjustment hole (34) is provided on the second end of the second angle code (33), and a second self-tapping screw is passed through the second adjustment hole (34) and connected to the second end of the conversion layer upright pole (2). 2. The building decoration ceiling assembly transfer layer installation system according to claim 1, characterized in that the first connecting member further comprises: A first angle bracket (24), a first end of which is connected to the connecting rod (21) by bolts; A first adjustment hole (25) is provided on the second end of the first angle code (24), and a first self-tapping screw is passed through the first adjustment hole (25) and connected to the first end of the conversion layer upright pole (2). 3. The building decoration ceiling assembly transfer layer installation system according to claim 1, characterized in that the ceiling keel (3) comprises: A plurality of main keels (31), wherein the main keels (31) are connected to the second ends of the transition layer uprights (2) via second connecting pieces; A plurality of secondary keels (32), each of the secondary keels (32) being connected to the main keel (31) via bolts. 4. The building decoration ceiling assembly transfer layer installation system according to claim 3 is characterized in that the secondary keels (32) are connected by splicing pieces (35) and fixed by bolts. 5. The building decoration ceiling assembly transfer layer installation system according to claim 1, characterized in that it also includes: Oblique support rod (4); The first end of the oblique support rod (4) is connected to the first end of the transition layer vertical rod (2) via a third connecting member; The second end of the oblique support rod (4) is connected to the ceiling keel (3) via a fourth connecting piece. 6. The building decoration ceiling assembly transfer layer installation system according to claim 5, characterized in that the third connecting member comprises: A first rotating shaft base (41) is connected to the first end of the conversion layer upright pole (2) via bolts; A first connecting sleeve (42), a first end of which is connected to the first rotating shaft base (41) by bolts, and a second end of which is sleeved on the first end of the oblique support rod (4); A third adjustment hole (43) is formed at the second end of the first connecting sleeve (42), and a third self-tapping screw is passed through the third adjustment hole (43) and connected to the first end of the oblique support rod (4). 7. The building decoration ceiling assembly transfer layer installation system according to claim 5, characterized in that the fourth connecting member comprises: A second rotating shaft base (44) is connected to the ceiling keel frame (3) via bolts; A second connecting sleeve (45), the first end of which is connected to the second rotating shaft base (44) by bolts, and the second end of which is sleeved on the second end of the oblique support rod (4); A fourth adjustment hole (46) is formed at the second end of the second connecting sleeve (45), and a fourth self-tapping screw is passed through the fourth adjustment hole (46) and connected to the second end of the oblique support rod (4).