Fabricated building floor slab and optimized assembly method

Abstract

The invention relates to the technical field of fabricated building floor slabs, in particular to a fabricated building floor slab and an optimized assembly method.The fabricated building floor slab comprises a floor slab body, corner protection mechanisms are inserted into the four corners of the floor slab body, two pre-buried frames are fixedly connected to the inner wall of the bottom end of the floor slab body in a symmetrical structure, and two sliding sleeves are arranged in the pre-buried frames in a symmetrical structure; the embedded frame, the sliding sleeve and the suspended ceiling base are arranged in the assembly type floor, when suspended ceiling needs to be carried out, the suspended ceiling base is moved out of the embedded frame, the position and the height of the suspended ceiling base can be adjusted according to needs, and the convenience and the flexibility of suspended ceiling installation can be greatly improved; meanwhile, the damage to the floor structure is avoided, the safety is enhanced, the construction efficiency is improved, the maintenance cost is reduced during long-term use, and the polystyrene foam columns are arranged in the floor, so that the floor has a better heat isolation effect, the energy efficiency of a building is improved, and the energy consumption of an air conditioner and heating is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of prefabricated building floor, in particular to a prefabricated building floor and an optimized assembly method. BACKGROUND

[0002] The prefabricated building floor refers to a building floor unit produced by prefabrication, which is quickly assembled and installed on the construction site. Compared with the traditional cast-in-place floor, the prefabricated floor has higher construction efficiency, better quality control, and stronger environmental performance. The prefabricated floor is a commonly used building structure form in modern buildings, and has obvious advantages in rapid construction and building energy saving.

[0003] In terms of building energy saving, cement products as a basic building material have been widely concerned and applied in recent years with the popularization of green building concept. Modern prefabricated floor often integrates heat preservation and insulation functions, uses high-efficiency insulation materials (such as polystyrene foam, polyurethane, rock wool, etc.) and special cement formula to improve the thermal insulation performance of the floor, effectively reducing building energy consumption. In addition, cement-based composite materials (such as lightweight cement products and air-permeable cement boards) can further enhance the environmental performance of the floor and reduce carbon emissions.

[0004] The prior art document with publication number CN118187346A provides an energy-saving prefabricated building floor structure, which divides the floor into a base plate layer, a structure layer and a surface layer. The structure layer and the surface layer are partially cast-in-place, and the steel plate load-bearing assembly in the base plate layer uses steel plate material to meet the structural support requirements of the prefabricated floor while reducing the large self-weight, facilitating assembly and construction; the base plate layer can be used as a formwork during the cast-in-place process and is integrated with the structure of the prefabricated floor, increasing the structural strength of the floor while omitting the formwork and demolding processes, and accelerating the construction speed.

[0005] After the existing technology is assembled, when the ceiling is installed in the building, the existing technology does not have a suspension structure for the ceiling, so when the ceiling is installed, holes need to be drilled on the floor. Drilling holes on the floor may damage the structural integrity of the floor, especially for load-bearing floors, the holes may affect the load-bearing capacity, resulting in a decrease in the safety of the structure. Drilling holes may cause stress concentration points on the floor, especially in high-load areas, which may cause cracks or structural damage to the floor.

[0006] In summary, there is a lack of technology for fixing the ceiling structure on the prefabricated building floor in the prior art. SUMMARY

[0007] The purpose of the present application is to solve the problems in the background art and provide a prefabricated building floor and an optimized assembly method.

[0008] In order to achieve the above object, the technical scheme adopted by the present application is: an assembled building floor, comprising a floor, corner protection mechanisms are inserted at the four corners of the floor, two embedded racks are symmetrically and fixedly connected to the inner wall at the bottom end of the floor, two sliding sleeves are symmetrically arranged in the embedded racks, a ceiling seat is arranged on one side of the sliding sleeve, a wiring rack is rotatably connected to the outer wall of the sliding sleeve, and a plurality of cable fixing mechanisms are rotatably connected to the wiring rack.

[0009] Preferably, a plurality of cavities are formed in the floor, polystyrene foam columns are arranged in the cavities, assembly holes are formed through the four corners of the floor, two lifting rings are symmetrically and fixedly connected to the two sides of the floor, and a reinforcing plate is fixedly connected to the bottom end of the lifting ring.

[0010] Preferably, the corner protection mechanism comprises an upper protection cover and a lower protection cover, the upper protection cover and the lower protection cover are respectively matched with the upper and lower corners of the floor, a plug-in sleeve is fixedly connected to one end of the lower protection cover, the plug-in sleeve is movably inserted into the assembly hole, a limiting hole is formed in the plug-in sleeve, a rotating shaft is rotatably connected through one end of the upper protection cover, a conical connector is fixedly connected to the bottom end of the rotating shaft, and the conical connector is in sliding contact with the inner wall of the limiting hole.

[0011] Preferably, a plurality of T-shaped rods are fixedly connected to the top end of the embedded rack, the T-shaped rods are fixedly connected to the inner wall of the floor, two T-shaped sliding grooves are symmetrically formed in the inner wall of the embedded rack, and a plurality of positioning holes are linearly formed in the top end inner wall of the embedded rack.

[0012] Preferably, T-shaped heads are fixedly connected to the two ends of the sliding sleeve, the T-shaped heads are in sliding fit with the inner wall of the T-shaped sliding groove, a positioning plug rod is in sliding fit with the inner wall of the sliding sleeve, a spring is fixedly connected to one end of the positioning plug rod, the other end of the spring is fixedly connected to the inner wall of the sliding sleeve, the other end of the positioning plug rod is movably inserted into the positioning hole, and a limiting ring is fixedly connected to the outer wall of the sliding sleeve.

[0013] Preferably, a threaded rod is fixedly connected to one end of the ceiling seat, the threaded rod is in threaded connection with the inner wall of the sliding sleeve, two connecting holes are formed in the ceiling seat, two limiting blocks are symmetrically and in sliding fit with the ceiling seat, a tension spring is fixedly connected between the two limiting blocks, an inclined surface is formed in the outer end of the limiting block, and the outer end of the limiting block is movably inserted into the T-shaped sliding groove.

[0014] Preferably, a limiting ring groove is formed in one end of the wiring rack, and the limiting ring groove is in sliding fit with the limiting ring.

[0015] Preferably, the cable fixing mechanism comprises an open cable ring, the open cable ring is in sliding fit with the wiring rack, an arc-shaped rack is fixedly connected to the inner wall outside the open cable ring, an adjusting wheel is in meshing transmission on one side of the arc-shaped rack, the adjusting wheel is rotatably connected to the inner wall of the wiring rack, a worm gear is fixedly connected to one side of the adjusting wheel, a worm is in meshing transmission on one side of the worm gear, and the worm is rotatably connected to the inner wall of the wiring rack.

[0016] A prefabricated building floor assembly method, specifically comprising the following steps: S1, when assembling the floor, first use a hoisting device such as a crane to hoist the floor for assembly and installation; S2, when hoisting the floor for installation, first remove the corner protection mechanism from the corners of the floor for installation; S3, after the floor is assembled, when it is necessary to suspend the ceiling inside the building, the ceiling seat is taken out from the embedded frame, then the position of the sliding sleeve is adjusted so that the ceiling seat is in the appropriate position, facilitating hoisting; S4, then the furring of the ceiling can be connected with the ceiling seat to realize the ceiling, and when wiring in the ceiling, first rotate the wiring rack to the appropriate angle, then pass the wires through the cable fixing mechanism for wiring and fixing.

[0017] Compared with the prior art, the present application has the following beneficial effects: 1. By providing the embedded frame, the sliding sleeve and the ceiling seat in the prefabricated floor, when the ceiling is needed, the ceiling seat is removed from the embedded frame, and the position and height of the ceiling seat can be adjusted as needed, which can greatly improve the convenience and flexibility of ceiling installation, avoid damage to the floor structure, enhance safety, improve construction efficiency, and reduce maintenance costs in long-term use; 2. By providing a rotatable wiring rack on the sliding sleeve and a plurality of cable fixing mechanisms on the wiring rack, the traditional wiring method usually needs to punch holes or install fixed equipment on the floor, but through the design of the sliding sleeve and the wiring rack, the floor structure can be prevented from being damaged, and the waterproof, soundproof and thermal insulation performance of the floor can be maintained without the need for punching holes or damaging the floor, thereby maintaining the integrity and stability of the floor and improving the functional diversity of the floor; 3. By providing the corner protection mechanism at the corners of the floor, the corners of the prefabricated floor can be protected, which can effectively prevent damage to the corners of the floor during transportation and construction, protect the integrity of the floor during transportation, installation and later use, and prolong its service life. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the prefabricated building floor and the optimized assembly method of the present application; Figure 2 It is a whole structure bottom view schematic diagram of the assembled building floor and the optimized assembly method of the application; Figure 3 It is a floor structure expansion schematic diagram of the assembled building floor and the optimized assembly method of the application; Figure 4 It is a corner protection mechanism structure partial section expansion schematic diagram of the assembled building floor and the optimized assembly method of the application; Figure 5 It is a pre-embedded frame structure partial section schematic diagram of the assembled building floor and the optimized assembly method of the application; Figure 6 It is a sliding sleeve structure expansion schematic diagram of the assembled building floor and the optimized assembly method of the application; Figure 7 It is a suspended ceiling seat structure expansion schematic diagram of the assembled building floor and the optimized assembly method of the application; Figure 8 It is a wiring rack and cable fixing mechanism structure partial section expansion schematic diagram of the assembled building floor and the optimized assembly method of the application.

[0019] Indicated in the figure: 1, floor; 2, corner protection mechanism; 3, pre-embedded frame; 4, sliding sleeve; 5, suspended ceiling seat; 6, wiring rack; 7, cable fixing mechanism; 101, cavity; 102, polystyrene foam column; 103, assembly hole; 104, lifting ring; 105, reinforcing plate; 201, upper protective cover; 202, lower protective cover; 203, plug-in sleeve; 204, limiting hole; 205, rotating shaft; 206, conical connector; 301, T-shaped rod; 302, T-shaped sliding groove; 303, positioning hole; 401, T-shaped head; 402, positioning plug rod; 403, spring; 404, limiting ring; 501, threaded rod; 502, connecting hole; 503, limiting block; 504, tension spring; 601, limiting ring groove; 701, open cable ring; 702, arc-shaped rack; 703, adjusting wheel; 704, worm wheel; 705, worm. DETAILED DESCRIPTION

[0020] The following description is used to disclose the application so that those skilled in the art can implement the application. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art.

[0021] As Figures 1-8An assembled building floor and optimized assembly method shown, including floor 1, the corner protection mechanism 2 is inserted at the four corners of the floor 1, the bottom end inner wall of the floor 1 is symmetrically connected and provided with two embedded racks 3, two symmetrical slide sleeves 4 are arranged in the embedded rack 3, a ceiling seat 5 is arranged on one side of the slide sleeve 4, a wiring rack 6 is rotatably connected to the outer wall of the slide sleeve 4, and a plurality of cable fixing mechanisms 7 are rotatably connected to the wiring rack 6.

[0022] As shown in Figure 3 , a plurality of cavities 101 are formed in the floor 1, polystyrene foam columns 102 are arranged in the cavities 101, assembly holes 103 are formed at the four corners of the floor 1, two lifting rings 104 are symmetrically and fixedly connected to the two sides of the floor 1, and a reinforcing plate 105 is fixedly connected to the bottom end of the lifting ring 104. The polystyrene foam column 102 makes the floor 1 have better heat insulation effect, improves the energy efficiency of the building, and reduces the energy consumption of air conditioning and heating. The reinforcing plate 105 improves the tensile strength of the lifting ring 104, so that the stability is ensured during lifting.

[0023] As shown in Figure 4 , the corner protection mechanism 2 includes an upper protection cover 201 and a lower protection cover 202, the upper protection cover 201 and the lower protection cover 202 are respectively matched with the upper and lower corners of the floor 1, one end of the lower protection cover 202 is fixedly connected with a plug-in sleeve 203, the plug-in sleeve 203 is movably inserted with the assembly hole 103, a limiting hole 204 is formed in the plug-in sleeve 203, and one end of the upper protection cover 201 penetrates and rotatably connected with a rotating shaft 205, the bottom end of the rotating shaft 205 is fixedly connected with a tapered connector 206, and one end of the tapered connector 206 is in sliding contact with the inner wall of the limiting hole 204. The corner protection mechanism 2 can be recycled after being removed. Rotate the rotating shaft 205, so that the rotating shaft 205 drives the connected tapered connector 206 to rotate, and then the tapered connector 206 can be removed from the limiting hole 204, so that the upper protection cover 201 and the lower protection cover 202 can be removed from the corners of the floor 1.

[0024] As shown in Figure 5 , a plurality of T-shaped rods 301 are fixedly connected to the top end of the embedded rack 3, the T-shaped rods 301 are fixedly connected to the inner wall of the floor 1, two T-shaped sliding grooves 302 are symmetrically formed in the inner wall of the embedded rack 3, and a plurality of positioning holes 303 are linearly formed in the top end inner wall of the embedded rack 3. The T-shaped rod 301 improves the connection strength between the embedded rack 3 and the floor 1.

[0025] As shown in Figure 6As shown, the sliding sleeve 4 is fixedly connected with a T-shaped head 401 at both ends, the T-shaped head 401 is in sliding fit with the inner wall of the T-shaped sliding groove 302, the inner wall of the sliding sleeve 4 is in sliding fit with a positioning plug 402, one end of the positioning plug 402 is fixedly connected with a spring 403, the other end of the spring 403 is fixedly connected with the inner wall of the sliding sleeve 4, the other end of the positioning plug 402 is movably inserted into the positioning hole 303, and the outer wall of the sliding sleeve 4 is fixedly connected with a limiting ring 404. The sliding sleeve 4 is pushed to move the T-shaped head 401 in the T-shaped sliding groove 302, so that the ceiling seat 5 is moved to a suitable position, and then the positioning plug 402 is inserted into the positioning hole 303 under the action of the spring 403, so that the sliding sleeve 4 is limited and fixed.

[0026] As shown in the drawings, Figure 7 The ceiling seat 5 is fixedly connected with a threaded rod 501 at one end, the threaded rod 501 is in threaded connection with the inner wall of the sliding sleeve 4, two connecting holes 502 are formed in the ceiling seat 5, two limiting blocks 503 are in sliding fit with the ceiling seat 5 in a symmetrical structure, a tension spring 504 is fixedly connected between the two limiting blocks 503, an inclined surface is formed at the outer end of the limiting block 503, and the outer end of the limiting block 503 is movably inserted into the T-shaped sliding groove 302. The limiting block 503 can accommodate the ceiling seat 5 in the embedded frame 3, facilitating the transportation and assembly of the floor 1.

[0027] By arranging the embedded frame 3, the sliding sleeve 4 and the ceiling seat 5 in the assembled floor 1, when the ceiling needs to be installed, the ceiling seat 5 is moved out of the embedded frame 3, and the position and height of the ceiling seat 5 can be adjusted as needed, which can greatly improve the convenience and flexibility of ceiling installation, avoid damage to the structure of the floor 1, enhance safety, improve construction efficiency, and reduce maintenance costs in long-term use.

[0028] As shown in the drawings, Figure 8 The wiring rack 6 is movably inserted into the limiting ring slot 601.

[0029] As shown in the drawings, Figure 8 The cable fixing mechanism 7 comprises an open cable ring 701, the open cable ring 701 is in sliding fit with the wiring rack 6, an arc-shaped rack 702 is fixedly connected to the inner wall of the outer side of the open cable ring 701, an adjusting wheel 703 is in meshing transmission on one side of the arc-shaped rack 702, the adjusting wheel 703 is rotatably connected to the inner wall of the wiring rack 6, a worm gear 704 is fixedly connected to one side of the adjusting wheel 703, a worm 705 is in meshing transmission on one side of the worm gear 704, and the worm 705 is rotatably connected to the inner wall of the wiring rack 6. The open cable ring 701 facilitates the fixing and wiring of the cable. Rotating the worm 705 drives the worm gear 704 connected with the adjusting wheel 703 to rotate, so that the adjusting wheel 703 can drive the open cable ring 701 connected with the arc-shaped rack 702 to rotate.

[0030] The application discloses an assembly method of a prefabricated building floor, and particularly relates to the field of building construction. S1, when the floor 1 is assembled, the floor 1 is hoisted by a hoisting device such as a crane for assembly and installation; S2, when the floor 1 is hoisted for installation, the corner protection mechanism 2 is first removed from the corners of the floor 1 for installation; S3, after the floor 1 is assembled, when a suspended ceiling needs to be installed in the building, the suspended ceiling seat 5 is removed from the embedded frame 3, then the position of the sliding sleeve 4 is adjusted, so that the suspended ceiling seat 5 is in a suitable position, and hoisting is facilitated; S4, then the furring of the suspended ceiling is connected with the suspended ceiling seat 5, the suspended ceiling is realized, and when wiring is performed in the suspended ceiling, the wiring frame 6 is first rotated to a suitable angle, then the electric wire is threaded through the cable fixing mechanism 7 for wiring and fixing.

[0031] Working principle: when the floor 1 needs to be assembled, the hook of the crane is hung with the hoisting ring 104 on the floor 1, so that the floor 1 can be hoisted for assembly, then the rotating shaft 205 is rotated, so that the rotating shaft 205 drives the connected conical connecting head 206 to rotate, then the conical connecting head 206 can be removed from the limiting hole 204, so that the upper protective cover 201 and the lower protective cover 202 can be removed from the corners of the floor 1, and then the assembly and fixing of the floor 1 are realized through the assembly hole 103 of the floor 1; After the floor 1 is assembled, when a suspended ceiling needs to be installed under the floor 1, the two limiting blocks 503 are first pressed, so that the limiting blocks 503 can be removed from the T-shaped sliding groove 302, at this time, the suspended ceiling seat 5 can be removed from the embedded frame 3; Then the sliding sleeve 4 is pushed as needed, so that the T-shaped head 401 moves in the T-shaped sliding groove 302, so that the suspended ceiling seat 5 moves to a suitable position, then under the action of the spring 403, the positioning inserting rod 402 is inserted into the positioning hole 303, and the sliding sleeve 4 is limited and fixed; Then the suspended ceiling seat 5 is rotated, at this time, the height of the suspended ceiling seat 5 is adjusted by the threaded rod 501 connected with the suspended ceiling seat 5, then the furring of the suspended ceiling is connected and installed with the connecting hole 502 on the suspended ceiling seat 5 through bolts; When wiring needs to be performed under the floor 1, the wiring frame 6 is first rotated to a suitable angle, then the cable is placed on the open cable ring 701, then the worm 705 is rotated, so that the worm 705 drives the adjusting wheel 703 connected with the worm wheel 704 to rotate, so that the adjusting wheel 703 can drive the open cable ring 701 connected with the arc-shaped rack 702 to rotate, so that the opening of the open cable ring 701 is rotated into the wiring frame 6, and the fixing of the cable is realized.

[0032] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other present or future devices perform the same function under a different name. It must be noted that, as used in the specification and the appended claims, the singular forms "a," "an" and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a plurality of such components. In this specification and in the claims, the term "when" should be understood to mean "whereupon" or "upon" when used in contexts describing the sequential order of events, and "whenever" when used in contexts describing the sequential order of events or circumstances. The terms "comprises" and / or "comprising," or "includes" and / or "including" when used in this specification and in the following claims are used open- ended, meaning that they include the elements that follow, but not to the exclusion of other elements. The terms "coupled" and "coupling" mean to be directly or indirectly connected physically or logically, or to be directly or indirectly in communication, whether electrically, mechanically, optically, or otherwise.

[0033] The foregoing description of the preferred embodiment of the application has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the application to the precise form disclosed. Many modifications and variations are possible in light of this disclosure. It is intended that the scope of the application be limited not with this detailed description, but rather by the claims appended hereto.

Claims

1. A prefabricated building floor slab comprising a floor slab (1), characterized in that: The floor (1) is inserted with corner protection mechanism (2) at four corners, the bottom end inner wall of floor (1) is fixedly connected with two embedded racks (3) in symmetrical structure, the embedded rack (3) is provided with two sliding sleeves (4) in symmetrical structure, the sliding sleeve (4) is provided with a ceiling seat (5) on one side, the sliding sleeve (4) is rotatably connected with a wiring rack (6) on the outer wall, a plurality of cable fixing mechanisms (7) are rotatably connected on the wiring rack (6).

2. A fabricated building floor slab as claimed in claim 1, characterised in that: A plurality of cavities (101) are formed in the floor (1), polystyrene foam columns (102) are arranged in the cavities (101), assembly holes (103) are formed at the four corners of the floor (1), two lifting rings (104) are fixedly connected to the two sides of the floor (1) in symmetrical structure, and a reinforcing plate (105) is fixedly connected to the bottom end of the lifting ring (104).

3. A fabricated building floor slab as claimed in claim 2, characterised in that: The corner protection mechanism (2) comprises an upper protection cover (201) and a lower protection cover (202), the upper protection cover (201) and the lower protection cover (202) are respectively matched with the upper and lower corners of the floor (1), one end of the lower protection cover (202) is fixedly connected with a plug-in sleeve (203), the plug-in sleeve (203) is movably inserted with the assembly hole (103), a limiting hole (204) is formed in the plug-in sleeve (203), one end of the upper protection cover (201) is rotatably connected with a rotating shaft (205), the bottom end of the rotating shaft (205) is fixedly connected with a tapered connector (206), and one end of the tapered connector (206) is slidably connected with the inner wall of the limiting hole (204).

4. The fabricated building floor according to claim 1, wherein: The top end of the embedded rack (3) is fixedly connected with a plurality of T-shaped rods (301), the T-shaped rods (301) are fixedly connected with the inner wall of the floor (1), the inner wall of the embedded rack (3) is provided with two T-shaped sliding grooves (302) in symmetrical structure, and the top end inner wall of the embedded rack (3) is provided with a plurality of positioning holes (303) in linear structure.

5. A fabricated building floor slab as claimed in claim 4, characterised in that: The two ends of the sliding sleeve (4) are fixedly connected with T-shaped heads (401), the T-shaped heads (401) are slidably connected with the inner wall of the T-shaped sliding groove (302), the inner wall of the sliding sleeve (4) is slidably connected with a positioning plug rod (402), one end of the positioning plug rod (402) is fixedly connected with a spring (403), the other end of the spring (403) is fixedly connected with the inner wall of the sliding sleeve (4), the other end of the positioning plug rod (402) is movably inserted with the positioning hole (303), and the outer wall of the sliding sleeve (4) is fixedly connected with a limiting ring (404).

6. A fabricated building floor according to claim 5, wherein: The ceiling seat (5) is fixedly connected with a threaded rod (501) at one end, the threaded rod (501) is threadedly connected with the inner wall of the sliding sleeve (4), two connecting holes (502) are formed in the ceiling seat (5), two limiting blocks (503) are symmetrically and slidingly connected with the ceiling seat (5), a tension spring (504) is fixedly connected between the two limiting blocks (503), an inclined surface is formed in the outer end of the limiting block (503), and the outer end of the limiting block (503) is movably inserted into the T-shaped sliding groove (302).

7. A fabricated building floor according to claim 6, characterised in that: The wiring rack (6) is provided with a limiting ring groove (601) at one end, and the limiting ring groove (601) is slidingly connected with the limiting ring (404).

8. The fabricated building floor according to claim 1, wherein: The cable fixing mechanism (7) comprises an open cable ring (701), the open cable ring (701) is slidingly connected with the wiring rack (6), an arc-shaped rack (702) is fixedly connected to the inner wall of the outer side of the open cable ring (701), an adjusting wheel (703) is meshingly and drivingly connected to one side of the arc-shaped rack (702), the adjusting wheel (703) is rotatably connected to the inner wall of the wiring rack (6), a worm gear (704) is fixedly connected to one side of the adjusting wheel (703), a worm (705) is meshingly and drivingly connected to one side of the worm gear (704), and the worm (705) is rotatably connected to the inner wall of the wiring rack (6).

9. An assembly method of a prefabricated building floor, using the prefabricated building floor of any one of claims 1-8, comprising the following steps: S1, when assembling the floor (1), first use a crane or other lifting equipment to lift the floor (1) for assembly and installation; S2, when lifting the floor (1) for installation, first remove the corner protection mechanism (2) from the corner of the floor (1) for installation; S3, after the floor (1) is assembled, when the ceiling needs to be installed in the building, the ceiling seat (5) is removed from the embedded frame (3), and then the position of the sliding sleeve (4) is adjusted so that the ceiling seat (5) is in the appropriate position, facilitating lifting; S4, then the ceiling joist can be connected with the ceiling seat (5) to realize the ceiling, and when wiring in the ceiling, first rotate the wiring rack (6) to the appropriate angle, then pass the wire through the cable fixing mechanism (7) for wiring and fixing.

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