CN114319698A - Assembly type ceiling T-shaped keel hanging structure - Google Patents

Abstract

The invention belongs to the technical field of ceiling installation, and particularly relates to an assembled ceiling T-shaped keel hanging structure which comprises a main keel, an auxiliary keel, an I-shaped piece, a hanging piece and a ceiling board; the main keels are longitudinally and horizontally arranged, the auxiliary keels which are transversely arranged are arranged between the adjacent main keels, and the auxiliary keels on the two sides of each main keel are arranged in a staggered mode; two ends of the auxiliary keel are respectively inserted with the adjacent main keels; the auxiliary keel and the main keel are positioned at the same horizontal height; the top of the hanging piece is hung on the auxiliary keel, and the bottom of the hanging piece is clamped with the I-shaped piece; the ceiling board is clamped between the two adjacent I-shaped parts. According to the invention, a single-layer staggered keel installation mode is adopted, and the longitudinally arranged main keels and the transversely arranged auxiliary keels are arranged on the same height plane, so that the ceiling space at the top can be saved; the auxiliary keel for the cross brace is added in the middle of the main keel, the whole main keel is in a grid shape, and the main keel and the auxiliary keel which are located on the same plane are guaranteed to be high in whole bearing capacity.

Description

A prefabricated ceiling T-shaped keel hanging structure

technical field

The invention belongs to the technical field of ceiling installation, and in particular relates to a T-shaped keel hanging structure of a prefabricated ceiling.

Background technique

The keel is an indispensable structure for ceiling installation. In the prior art, the main keel is usually connected with the auxiliary keel by connecting pieces, and the main keel and the auxiliary keel are located on different height planes after the connection is completed.

For example, the Chinese patent with the application number CN201921684315.7 discloses a clamping device for a main keel and an auxiliary keel, including a hanging body, the hanging body includes a claw located on the upper part and used for connecting the main keel after bending, located at the The lower part is used to install on the auxiliary keel and connect the hook of the auxiliary keel; the barb is arranged at the end of the jaw, and the barb is located on the side of the jaw facing the main keel; The hook is inserted into the folded edge of the main keel after the claws are bent. The main keel and the auxiliary keel are stably fixed by the snap connection device. However, the problem of a clamping device for the main keel and the auxiliary keel is that the main keel needs to be connected with the auxiliary keel through the clamping device, and the connection is relatively complicated; after the connection is completed, the main keel and the auxiliary keel are in different height planes, occupying the ceiling More space.

SUMMARY OF THE INVENTION

Based on the above-mentioned shortcomings and deficiencies in the prior art, one of the objectives of the present invention is to at least solve one or more of the above-mentioned problems existing in the prior art. In other words, one of the objectives of the present invention is to provide one of the aforementioned requirements or one of more than one.

In order to achieve the above-mentioned purpose of the invention, the present invention adopts the following technical solutions:

A T-shaped keel hanging structure of an assembled ceiling comprises a main keel, an auxiliary keel, an I-shaped piece, a pendant and a ceiling plate; several main keels are arranged vertically and horizontally, and several horizontally placed auxiliary keels are arranged between adjacent main keels , the auxiliary keels on both sides of a single main keel are dislocated; the two ends of the auxiliary keel are respectively inserted with the adjacent main keel; the auxiliary keel and the main keel are at the same level; the top of the pendant is hung on the auxiliary keel, and the bottom is connected to the I-shaped piece Clamping; the ceiling board is arranged between two adjacent I-shaped pieces by being clamped with the I-shaped pieces.

Further, the main keel includes a first main keel plate and a second main keel plate connected in an L shape, the first main keel plate is placed vertically, and the second main keel plate is placed horizontally; the first main keel plate is arranged along its length direction. There are several first through holes, and the second main keel plate is provided with several second through holes along its length direction.

Further, the auxiliary keel includes a first auxiliary keel plate and a second auxiliary keel plate connected in a T shape, the first auxiliary keel plate is placed vertically, and the second auxiliary keel plate is placed horizontally; both ends of the first auxiliary keel plate are provided with A plug that can be inserted into the first through hole.

Further, the plug is in the shape of a flat plate located on the same plane as the first auxiliary keel plate; the end of the plug away from the first auxiliary keel plate is in the shape of an arc.

Further, the pendant includes a first pendant plate, and the opposite sides of the first pendant plate are respectively connected with a second pendant plate and a third pendant plate, and the first pendant plate, the second pendant plate and the third pendant plate constitute a first pendant slot; The first pendant slot is sleeved outside the second auxiliary keel plate.

Further, one end of the third hanging plate away from the first hanging plate is provided with a first hanging fitting slot and a second hanging fitting slot.

Further, an end of the third pendant plate away from the first pendant plate is provided with a notch, and both the first pendant card slot and the second pendant card slot are communicated with the notch.

Further, the I-shaped piece includes a first I-shaped board, a second I-shaped board and a third I-shaped board; the first I-shaped board is parallel to the second I-shaped board, and the third I-shaped board is perpendicular to the first I-shaped board. Between the plate and the second I-shaped plate; the first I-shaped plate, the second I-shaped plate and the third I-shaped plate surround each other to form two first I-shaped grooves; the opposite sides of the second I-shaped plate are provided with a first I-shaped plate. The character is convex, and the first I-shaped protrusion is located in the first I-shaped groove; the two sides of the ceiling board are respectively clamped in the first I-shaped groove of the adjacent two I-shaped pieces; A series of second I-shaped protrusions are provided.

Further, the I-shaped piece also includes a clamping plate arranged along the length direction of the first I-shaped plate. The distance between the second I-shaped plate and the first I-shaped plate is greater than the distance between the first I-shaped plate and the second I-shaped plate; The word plate and the arc-shaped I-shaped plates on both sides of the first I-shaped plate form a second I-shaped slot; The gap between the card slot and the second hanger card slot is directly opposite to the second I-shaped slot.

Further, the opposite sides of the ceiling panel are provided with ceiling panel grooves, and the wall panels on both sides of the ceiling panel groove are respectively the first ceiling panel protrusion and the second ceiling panel protrusion, and the first ceiling panel protrusion is located in the first I-shape. In the groove, the second I-shaped plate is inserted into the groove of the ceiling plate, and the first ceiling plate protrusion and the second ceiling plate protrusion are respectively located on both sides of the second I-shaped plate.

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

(1) The present invention adopts the single-layer staggered keel installation method, and the longitudinally arranged main keel and the laterally arranged auxiliary keel are arranged on the same height plane, which can save the ceiling space at the top, increase the utilization rate of the space at the top of the building, reduce the floor height and save energy. User cost; at the same time, the main keel and the auxiliary keel are criss-crossed in a single layer, and the auxiliary keel used for the cross brace is added in the middle of the main keel, and the whole is in a grid shape, which ensures that the main keel and the auxiliary keel on the same plane have strong overall bearing capacity and high strength. It can adapt to the installation of heavy rear items; the connection between the main keel and the auxiliary keel is simple, and there is no need to use connecting pieces.

(2) The main keel and the auxiliary keel of the present invention are detachably connected, the pendant and the auxiliary keel are detachably connected, the I-shaped piece and the pendant are detachably connected, and the ceiling plate and the I-shaped piece are detachably connected, the overall installation and removal is simple, and the later maintenance and removal is easy .

(3) The installation process in the present invention adopts the factory prefabrication scheme, adopts standardized components, and the components can be reused, saving resources and reducing waste; no need for on-site processing, unpacking and pressing, energy saving and high efficiency, simple process, simple installation steps, and construction efficiency High, and avoid pollution, reduce noise and reduce dust during installation;

(4) The main keel, auxiliary keel, I-shaped piece, pendant and ceiling plate have uniform specifications, which are easy to integrate and connect;

(5) The decorative panel has its own decorative effect, and the surface does not need to be scraped and plastered, which reduces the load-bearing requirements and reduces the installation process. The ceiling installation is simple, the surface does not need to be painted, and the later maintenance is easy to disassemble.

Description of drawings

Fig. 1 is the overall structure diagram of this embodiment;

Figure 2 is a schematic diagram of the connection structure between the main keel and the auxiliary keel;

3 is a schematic diagram of the connection structure of the auxiliary keel, the pendant and the I-shaped piece;

Figure 4 is a schematic diagram of the connection structure between the I-shaped piece and the ceiling plate;

Figure 5 is a schematic diagram of the main keel structure;

Figure 6 is a schematic diagram of the auxiliary keel structure;

Fig. 7 is a structural schematic diagram of a pendant;

Fig. 8 is a structural schematic diagram of an I-shaped piece;

FIG. 9 is a schematic diagram of the structure of the ceiling panel.

In the figure, 1 main keel, 11 first main keel plate, 12 second main keel plate, 13 arc main keel plate, 14 first through hole, 15 second through hole, 2 auxiliary keels, 21 first auxiliary keel plate , 22 second auxiliary keel plate, 23 plug, 3 pendant, 31 first pendant plate, 32 second pendant plate, 33 third pendant plate, 34 first pendant slot, 35 first pendant card slot, 36 second pendant card Slot, 37 notch, 38 arc pendant board, 4 I-shaped piece, 41 first I-shaped board, 42 second I-shaped board, 43 third I-shaped board, 44 curved I-shaped board, 45 first I-shaped slot , 46 The second I-shaped groove, 47 The first I-shaped protrusion, 48 The second I-shaped protrusion, 49 The clip board, 5 Ceiling board, 51 Ceiling board groove, 52 The first ceiling board protrusion, 53 The second ceiling Plate raised.

Detailed ways

In order to describe the embodiments of the present invention more clearly, the following will describe specific embodiments of the present invention with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative efforts, and obtain other implementations.

As shown in FIGS. 1-9 , a T-shaped keel hanging structure of an assembled ceiling in this embodiment includes a main keel 1 , an auxiliary keel 2 , an I-shaped piece 4 , a pendant 3 and a ceiling plate 5 . Several main keels 1 are arranged vertically and horizontally, and several auxiliary keels placed horizontally are arranged between adjacent main keels 1 , and the auxiliary keels 2 on both sides of a single main keel 1 are arranged in dislocation. Both ends of the auxiliary keel 2 are respectively inserted into the adjacent main keel 1 . The auxiliary keel 2 and the main keel 1 are located at the same level. The top of the pendant 3 is hung on the auxiliary keel 2 , and the bottom is clamped with the I-shaped piece 4 . The I-shaped piece 4 is suspended below the auxiliary keel 2 through the pendant 3 . The ceiling board 5 is arranged between two adjacent I-shaped members 4 by being clamped with the I-shaped members 4 . Therefore, in this embodiment, by arranging the main keel 1 and the auxiliary keel 2 on the same height plane, the ceiling space can be saved, the utilization rate of the top space of the building can be increased, the floor height can be reduced, and the user cost can be saved; at the same time, the main keel 1 and the auxiliary keel 2 are single The layers are crisscrossed, and the auxiliary keel 2 used for the cross brace is added in the middle of the main keel 1, which is in a grid shape as a whole, ensuring that the main keel 1 and the auxiliary keel 2 on the same plane have strong overall bearing capacity and high strength, and can adapt to heavier rear installation of storage items.

The main keel 1 of this embodiment includes a first main keel plate 11 and a second main keel plate 12 connected in an L shape. The first main keel plate 11 is placed vertically and the second main keel plate 12 is placed horizontally. The first main keel plate 11 is provided with several first through holes 14 along its length direction. In order to facilitate the connection between the main keel and the building floor, the second main keel plate 12 is provided with several second through holes 15 along its length direction. One end of the bolt is connected to the building floor, and the other end can be connected to the second main keel plate 12 through the second through hole 15 . The first main keel plate 11 and the second main keel plate 12 are transitionally connected by an arc-shaped main keel plate 13 .

The auxiliary keel 2 of this embodiment includes a first auxiliary keel plate 21 and a second auxiliary keel plate 22 connected in a T shape. The first auxiliary keel plate 21 is placed vertically and the second auxiliary keel plate 22 is placed horizontally. Both ends of the first auxiliary keel plate 21 are provided with plugs 23 which can penetrate through the first through holes 14 . During installation, make the plug 23 at one end of the auxiliary keel penetrate through the first through hole 14 of a main keel until the plug 23 cannot be moved. A main keel plate 11 is abutted; after that, the first through hole 14 of the other main keel is firmly inserted into the plug 23 at the other end of the auxiliary keel; at this time, the process of installing the auxiliary keel between the two main keels is completed. . After the auxiliary keels are installed, the two ends of each auxiliary keel are respectively abutted against the first main keel plates 11 of two adjacent main keels.

The first through hole 14 is vertically elongated, and the plug 23 is a flat plate located on the same plane as the first auxiliary keel plate 21 . One end of the plug 23 away from the first auxiliary keel plate 21 is arc-shaped, so that the plug 23 can be inserted into the first through hole 14 . Therefore, in this embodiment, the main keel and the auxiliary keel are detachably connected in the form of plug connection, the overall installation and removal are simple, and the later maintenance and removal are easy.

In order to facilitate the installation of the I-shaped piece at the bottom of the auxiliary keel, the pendant in this embodiment includes a first pendant plate 31, and opposite sides of the first pendant plate 31 are respectively connected with a second pendant plate 32 and a third pendant plate 33. The board 31 , the second hanging board 32 and the third hanging board 33 constitute the first hanging slot 34 . The first hanging slot 34 is sleeved outside the second auxiliary keel plate 22 , and the second auxiliary keel plate 22 is located in the first hanging slot 34 . The bottom of the third hanging plate 33 extends to the height of the bottom of the first auxiliary keel plate 21 .

In order to facilitate the attachment of the pendant 3 and the I-shaped piece 4 , the end of the third pendant plate 33 away from the first pendant plate 31 is provided with a first pendant slot 35 and a second pendant slot 36 . The end of the third hanging plate 33 away from the first hanging plate 31 is provided with a notch 37 . The first hanger slot 35 and the second hanger slot 36 are both U-shaped slots. The open end of the first hanger slot 35 is opposite to the open end of the second hanger slot 36 . The first hanger slot 35 , the second hanger slot 36 and the notch 37 are located on the same straight line. The long sides of the second hanging board 32 and the long sides of the third hanging board 33 are respectively connected to the two long sides of the first hanging board 31 . The short-side dimension of the second hanging plate 32 is smaller than the short-side dimension of the third hanging plate 33 . The short side of the second hanging plate 32 only needs to fit the second T-shaped auxiliary keel into the first hanging groove 34 .

When the I-shaped piece 4 is installed, the I-shaped piece 4 can be placed in the first hanger slot 35 and the second hanger slot 36 . When the I-shaped piece is disassembled, the I-shaped piece can be directly taken out from the first hanger slot 35 and the second hanger slot 36 . In order to facilitate the connection of the first hanging board 31 and the second hanging board 32 , the first hanging board 31 and the second hanging board 32 are transitionally connected through an arc hanging board 38 . In order to facilitate the connection between the first hanging plate 31 and the third hanging plate 33 , the first hanging plate 31 and the third hanging plate 33 are connected through an arc hanging plate 38 in transition.

The I-shaped piece 4 of this embodiment includes a first I-shaped plate 41, a second I-shaped plate 42 and a third I-shaped plate 43; the first I-shaped plate 41 is parallel to the second I-shaped plate 42, and the third I-shaped plate 43 is vertically arranged between the first I-shaped plate 41 and the second I-shaped plate 42; ; The opposite sides of the second I-shaped plate 42 are provided with a first I-shaped protrusion 47, and the first I-shaped protrusion 47 is located in the first I-shaped groove 45. The third I-shaped plate 43 is located in the middle of the first I-shaped plate 41 and is also located in the center of the second I-shaped plate 42 . The first I-shaped plate 41, the second I-shaped plate 42, and the third I-shaped plate 43 form an I-shaped shape.

Both sides of the ceiling board 5 are respectively clamped in the first I-shaped grooves 45 of two adjacent I-shaped pieces. Specifically, two opposite sides of the ceiling panel are provided with ceiling panel grooves 51 , and the wall panels on both sides of the ceiling panel groove 51 are the first ceiling panel protrusions 52 and the second ceiling panel protrusions 53 respectively. When the ceiling panel is installed with the I-shaped piece, the first ceiling panel protrusion 52 is located in the first I-shaped groove 45 , the second I-shaped panel 42 is inserted into the ceiling panel groove 51 , and the first ceiling panel protrusion 52 is connected to the second ceiling panel. The plate protrusions 53 are respectively located on both sides of the second I-shaped plate 42 . The first I-shaped protrusion 47 is a horizontally placed cylindrical body. The bottom surface of the cylinder and the bottom surface of the second I-shaped plate 42 are located on the same horizontal plane. When the ceiling panel is snapped into the first I-shaped groove 45, the top of the first I-shaped protrusion 47 is in contact with the inner wall of the ceiling groove. Therefore, the first I-shaped protrusion 47 in this embodiment can reduce the contact area between the second I-shaped plate 42 and the ceiling plate groove 51, reduce the material used for the second I-shaped plate 42, and at the same time can increase the second I-shaped plate. The firmness of the connection between 42 and the ceiling panel. The opposite sides of the third I-shaped plate 43 are provided with a plurality of rows of second I-shaped protrusions 48 . The second I-shaped protrusion 48 is located in the first I-shaped groove 45 . The second I-shaped protrusions 48 are square. When the ceiling panel is installed with the I-shaped piece, the first ceiling panel protrusions 52 are abutted with the second I-shaped protrusions 48 . The second I-shaped protrusions 48 in this embodiment can reduce the contact area between the third I-shaped plate 43 and the ceiling plate, and reduce the material used for the third I-shaped plate 43 .

The I-shaped piece 4 also includes a clip plate 49 arranged along the length direction of the first I-shaped plate 41. The two clipped plates 49 are both parallel to the first I-shaped plate 41 and are respectively arranged on opposite sides of the first I-shaped plate 41. The distance between the clip plate 49 and the second I-shaped plate 42 is greater than the distance between the first I-shaped plate 41 and the second I-shaped plate 42; The I-shaped plate is transitionally connected, and the first I-shaped plate 41 and the arc-shaped I-shaped plate on both sides of the first I-shaped plate 41 form the second I-shaped groove 46; In the card slot 35 and the second hanger card slot 36 , the gap between the first hanger card slot 35 and the second hanger card slot 36 is directly opposite to the second I-shaped slot 46 .

When the ceiling panel 5 is inserted into the first I-shaped slot 45, the bottom surface of the first I-shaped panel 41 is attached to the top surface of the ceiling panel, and a certain distance is reserved between the clamping plate 49 and the top surface of the ceiling panel, so that the two The plates 49 are respectively placed in the first hanger slot 35 and the second hanger slot 36 . The lengths of the first I-shaped plate 41 , the second I-shaped plate 42 , the third I-shaped plate 43 , the clamping plate 49 and the arc-shaped I-shaped plate are all the same. From the top to the bottom of the I-shaped piece, there are the clip board 49 , the arc-shaped I-shaped board, the first I-shaped board 41 , the third I-shaped board 43 , and the second I-shaped board 42 . The first I-shaped plate 41, the second I-shaped plate 42, the clamping plate 49, the arc-shaped I-shaped plate, the first I-shaped protrusion 47, and the second I-shaped protrusion 48 are integrally formed, and are directly prefabricated in the factory. Forming does not require on-site welding or assembly, which improves construction efficiency and shortens construction period.

The installation principle of this embodiment is as follows: first, insert the plugs 23 at both ends of the auxiliary keel 2 into the sockets of the two adjacent main keels 1 respectively; Auxiliary keel plate 22; then the two clamping plates 49 of the I-shaped piece 4 are respectively clamped into the first pendant clamping slot 35 and the second pendant clamping slot 36 of the pendant 3; Finally, the two sides of the single ceiling plate 5 are respectively clamped into the first I-shaped groove 45 of the adjacent I-shaped piece 4 .

In summary, this embodiment adopts the single-layer staggered keel installation method, and the longitudinally arranged main keel 1 and the laterally arranged auxiliary keel 2 are arranged on the same height plane, which can save the ceiling space at the top, increase the utilization rate of the space at the top of the building, and reduce the floor space. At the same time, the main keel 1 and the auxiliary keel 2 are crisscrossed in a single layer, and the auxiliary keel 2 used for the cross brace is added in the middle of the main keel 1, and the overall appearance is grid-like, ensuring that the main keel 1 and the auxiliary keel are located on the same plane. 2. The overall bearing capacity is strong and the strength is high, which can adapt to the installation of heavier rear items; The pendant 3 is detachably connected, the ceiling plate 5 is detachably connected to the I-shaped piece 4, the overall installation and disassembly are simple, and the later maintenance and disassembly are easy. The installation process of this embodiment adopts the factory prefabrication scheme, adopts standardized components, and the components can be reused, saving resources and reducing waste; no need for on-site processing, unpacking and pressing, energy saving and high efficiency, simple process, simple installation steps, high construction efficiency, and Avoid pollution, reduce noise and reduce dust during installation. In this embodiment, the main keel, the auxiliary keel, the I-shaped piece, the pendant and the ceiling plate have uniform specifications, which are easy to integrate and connect; The decorative panel of this embodiment has its own decorative effect, the surface does not need to be scraped and plastered, the load-bearing requirements are reduced, the installation process is reduced, the ceiling installation is simple, the surface does not need to be painted, and the later maintenance is easy to disassemble.

It should be noted that the above embodiments can be freely combined as required. The above is only a detailed description of the preferred embodiments and principles of the present invention. For those of ordinary skill in the art, according to the ideas provided by the present invention, there will be changes in the specific implementation, and these changes should also be It is regarded as the protection scope of the present invention.

Claims (10)

1. a prefabricated ceiling T-shaped keel hanging structure is characterized in that: Including main keel, auxiliary keel, I-shaped piece, pendant and ceiling panel; Several main keels are arranged vertically and horizontally, and there are several auxiliary keels placed horizontally between adjacent main keels. The auxiliary keels on both sides of a single main keel are arranged in dislocation; the two ends of the auxiliary keels are respectively inserted with the adjacent main keels; It is located at the same level as the main keel; the top of the pendant is hung on the auxiliary keel, and the bottom is clamped with the I-shaped piece; the ceiling plate is arranged between two adjacent I-shaped pieces by clamping with the I-shaped piece. 2. The prefabricated ceiling T-shaped keel hanging structure according to claim 1 is characterized in that: The main keel includes a first main keel plate and a second main keel plate connected in an L shape, the first main keel plate is placed vertically, and the second main keel plate is placed horizontally; A through hole, the second main keel plate is provided with several second through holes along its length direction. 3. The prefabricated ceiling T-shaped keel hanging structure according to claim 2 is characterized in that: the auxiliary keel comprises a first auxiliary keel plate and a second auxiliary keel plate connected into a T shape, and the first auxiliary keel plate is vertically The second auxiliary keel plate is placed horizontally; both ends of the first auxiliary keel plate are provided with plugs that can be inserted into the first through holes. 4. The prefabricated ceiling T-shaped keel hanging structure according to claim 3 is characterized in that: The plug is in the shape of a flat plate located on the same plane as the first auxiliary keel plate; the end of the plug away from the first auxiliary keel plate is in the shape of an arc. 5. The prefabricated ceiling T-shaped keel hanging structure according to claim 3 is characterized in that: The pendant includes a first pendant board, the opposite sides of the first pendant board are respectively connected with a second pendant board and a third pendant board, the first pendant board, the second pendant board and the third pendant board form a first pendant slot; The groove is sleeved outside the second auxiliary keel plate. 6. The prefabricated ceiling T-shaped keel hanging structure according to claim 5 is characterized in that: One end of the third hanging board away from the first hanging board is provided with a first hanging piece slot and a second hanging piece slot. 7. The T-shaped keel hanging structure of the prefabricated ceiling according to claim 6, wherein the end of the third pendant plate away from the first pendant plate is provided with a notch, and the first pendant card slot and the second pendant card slot are both connected to the gap. 8. The prefabricated ceiling T-shaped keel hanging structure according to claim 7 is characterized in that: The I-shaped piece includes a first I-shaped board, a second I-shaped board and a third I-shaped board; the first I-shaped board is parallel to the second I-shaped board, and the third I-shaped board is perpendicular to the first I-shaped board and the third I-shaped board. Between two I-shaped boards; the first I-shaped board, the second I-shaped board and the third I-shaped board surround each other to form two first I-shaped grooves; the opposite sides of the second I-shaped board are provided with first I-shaped protrusions , the first I-shaped protrusion is located in the first I-shaped groove; the two sides of the ceiling board are respectively clamped in the first I-shaped grooves of the adjacent two I-shaped pieces; the opposite sides of the third I-shaped plate are provided with several rows The second I character is raised. 9. The prefabricated ceiling T-shaped keel hanging structure according to claim 8 is characterized in that: The I-shaped piece also includes a clamping plate arranged along the length direction of the first I-shaped plate. The two clamping plates are both parallel to the first I-shaped plate and are respectively arranged on opposite sides of the first I-shaped plate. The distance between the I-shaped plates is greater than the distance between the first I-shaped plate and the second I-shaped plate; the clamping plate and the first I-shaped plate are connected by an arc-shaped I-shaped plate, and the first I-shaped plate is connected to the first I-shaped plate. The arc-shaped I-shaped plates on both sides of the first I-shaped plate form the second I-shaped slot; The gap between the second pendant card slots is directly opposite to the second I-shaped slot. 10. The prefabricated ceiling T-shaped keel hanging structure according to claim 9 is characterized in that: The opposite sides of the ceiling panel are provided with ceiling panel grooves, the wall panels on both sides of the ceiling panel groove are respectively the first ceiling panel protrusion and the second ceiling panel protrusion, and the first ceiling panel protrusion is located in the first I-shaped groove, The second I-shaped board is inserted into the groove of the ceiling board, and the first ceiling board protrusion and the second ceiling board protrusion are respectively located on both sides of the second I-shaped board.

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