High-altitude curved surface suspended ceiling construction method and structure

Abstract

The invention relates to the field of suspended ceiling construction, in particular to a high-altitude curved surface suspended ceiling construction method and structurally comprising a main structure, a suspender, a main keel, a secondary keel and a suspended ceiling plane.The top end of the suspender is vertically fixed to the bottom of the main structure, and the main keel is installed at the bottom end of the suspender through a first connecting assembly; the main keel is installed on the ceiling board through a first connecting assembly, the secondary keel is installed on the main keel through a second connecting assembly, the ceiling board is installed on the secondary keel through a third connecting assembly, and the ceiling structure further comprises a hoisting assembly used for hoisting the main keel and the secondary keel. And the construction cost and difficulty of the curved suspended ceiling are greatly reduced.

Description

Technical Field

[0001] The invention relates to the field of suspended ceiling construction, and in particular to a high-altitude curved suspended ceiling construction method and structure. Background Art

[0002] The curved ceiling can add a soft visual effect and a sense of fluidity to the interior space through its unique curve design. It is suitable for creating an open and transparent sense of space, especially in large public spaces such as shopping centers, stadiums, etc. The overall curved ceiling system is usually composed of hangers, main keels, secondary keels, connectors and panels. The keels parallel to the curvature direction are processed into curved keels using customized materials. At the same time, it is difficult to control the accuracy of high-altitude installation, and the welding operation has a high safety risk and high cost.

[0003] Therefore, it is necessary to invent a high-altitude curved ceiling construction method and structure. Summary of the invention

[0004] To this end, the present invention provides a high-altitude curved ceiling construction method and structure to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-altitude curved ceiling structure, comprising a main structure, a hanger, a main keel, a secondary keel and a ceiling board, the top end of the hanger is vertically fixed to the bottom of the main structure, the main keel is installed at the bottom end of the hanger through a first connecting component, the secondary keel is installed on the main keel through a second connecting component, the ceiling board is installed on the secondary keel through a third connecting component, and also includes a lifting component for lifting the main keel and the secondary keel.

[0006] Preferably, the first connecting component includes a first connecting U-groove, the top end of the first connecting U-groove is fixed to the bottom end of the suspension rod, and the side end of the first connecting U-groove is provided with an oblong hole of the suspension rod.

[0007] Preferably, a first connecting sleeve is fixed to the end of the main keel, a main keel oblong hole is opened at the side end of the first connecting sleeve, the oblong hole of the hanger rod is arranged corresponding to the oblong hole of the main keel, and a first connecting bolt group is fixed between the oblong hole of the hanger rod and the oblong hole of the main keel.

[0008] Preferably, the second connecting assembly includes a second connecting U-groove, the top of the second connecting U-groove is fixed to the bottom of the main keel, a second connecting sleeve is fixed to the end of the secondary keel, the second connecting sleeve is inserted into the second connecting U-groove, and a second connecting bolt group is fixed between the second connecting sleeve and the second connecting U-groove.

[0009] Preferably, the third connection assembly includes a ceiling panel connector, and the ceiling panel is fixedly mounted on the bottom of the secondary keel via the ceiling panel connector.

[0010] Preferably, the hoisting assembly includes a main structure hoisting point, the main structure hoisting point is fixed on the main structure, and a hoisting wire rope is arranged on the main structure hoisting point through a pulley block, and one end of the hoisting wire rope is used for binding the main keel and the secondary keel.

[0011] Preferably, the hoisting assembly also includes a winch fixed on the floor, and the other end of the hoisting wire rope is fixed on the output shaft of the winch.

[0012] Preferably, when the main keel and the secondary keel are hoisted by hoisting wire ropes, adjustment ropes are provided on both side ends of the main keel and the secondary keel.

[0013] A construction method for a high-altitude curved ceiling structure specifically comprises the following steps: S1: After the main structure is completed, a 3D scanning site survey is conducted first, appropriate substation measurement points are selected, and the main structure roof is scanned using a 3D laser scanner to generate an actual point cloud model. The scanned point cloud model is fitted and compared with the structural BIM deepening model, the data deviation between the actual model and the BIM model is analyzed, and the fitting deviation data is output; S2: Adjust the structural BIM detailed model according to the deviation data to achieve a structural BIM completion model consistent with the actual installation situation, and conduct detailed design of the ceiling system on this basis; S3: Use Blender software to carry out in-depth design of curved ceiling. First, complete the surface model of the curved ceiling according to the curvature provided in the design drawing, use the curve of the surface model to generate the curved keel, and finally use the subdivision function to convert the curved keel into multiple straight keels connected together; S4: According to the detailed design model, the net height of the ceiling and the height of the prefabricated hanger are measured, the hanger height and installation height of each position are generated, and the batch processing of the hangers is completed in advance; S5: First, the hanger rod and the first connecting U-groove are processed and welded, and the hanger rods at each position are installed. The operator connects the hanger rod to the main structure through an aerial work vehicle, and the connection form is welding or embedded bolt connection; S6: Install a hoisting hook at the main structure, set the hook point by welding steel bars or winding steel wire ropes around steel beams, and hang a pulley block under the hook; S7: Install the winch on the floor, pass the hoisting wire rope of the winch output shaft through the pulley block under the main structure lifting point and tie it to the main keel. Adjustment ropes are set at both ends of the main keel to adjust the installation direction of the main keel. Before hoisting, insert one side of the first connection sleeve into one end of the main keel and weld it. The main keel and the first connection sleeve are both provided with a main keel oblong hole. The other side of the first connection sleeve is not processed. At the same time, the second connection U groove is welded to the corresponding main keel according to the position of the secondary keel. Finally, the main keel is hoisted by retracting the winch. The main keel oblong hole of the main keel is aligned with the oblong hole of the suspension rod in the suspension rod, and the height and indentation size are adjusted. The first connection bolt group is inserted and fixed and welded; S8: According to the method of step S7, the main keel is hoisted and installed, and the side of the main keel to which the first connecting sleeve is not welded is inserted into the first connecting sleeve of the main keel that has been installed previously, without welding or other processing; S9: Complete the installation of all main keels according to the methods of steps S7 and S8; S10: According to the method of step S7 and step S8, the hoisting and installation of the secondary keel and the welding and connection of the second connecting sleeve core are completed; S11: First connect the ceiling panel connector to the ceiling panel, then drive screws into the bottom of the secondary keel, and arrange the spacing according to the design requirements.

[0014] The beneficial effect of the present invention is that the curved ceiling is completed by replacing the arc-shaped keel with a straight keel, thereby greatly reducing the construction cost and difficulty of the curved ceiling. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A partial plan view of the ceiling system provided by the present invention; Figure 2 for Figure 1 AA section diagram in; Figure 3 for Figure 2 BB cross-section diagram in; Figure 4 A deviation chromatogram of the three-dimensional scanning model of the roof structure provided by the present invention; Figure 5 A schematic diagram of the Blender arc keel optimized straight keel provided by the present invention; Figure 6 A schematic diagram of the structure of the suspension rod provided by the present invention; Figure 7 The boom blanking size and height control diagram provided by the present invention; Figure 8 The three-dimensional and elevation construction drawings of the boom elevation control provided by the present invention; Fig. 9 This is a schematic diagram of the hoisting provided by the present invention.

[0016] In the figure: 1-main structure; 2-suspender rod; 21-U-groove for connecting the suspension rod and the main keel; 22-bolt group for connecting the suspension rod and the main keel; 23-long round hole of the suspension rod; 3-main keel; 31-main keel connecting sleeve core; 32-main keel long round hole; 4-secondary keel; 41-secondary keel connecting U-groove; 42-secondary keel connecting sleeve core; 43-secondary keel connecting bolt group; 5-ceiling panel; 51-ceiling panel connecting piece; 6-main structure hanging point; 7-hoisting wire rope; 8-adjusting rope; 9-winch. DETAILED DESCRIPTION

[0017] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0018] Please refer to the attached Figure 1-Figure 9 The present invention provides a high-altitude curved ceiling structure, comprising a main structure 1, a suspension rod 2, a main keel 3, a secondary keel 4 and a ceiling board 5, wherein the top of the suspension rod 2 is vertically fixed to the bottom of the main structure 1, the main keel 3 is installed at the bottom of the suspension rod 2 through a first connecting component, the secondary keel 4 is installed on the main keel 3 through a second connecting component, and the ceiling board 5 is installed on the secondary keel 4 through a third connecting component, and also includes a hoisting component for hoisting the main keel 3 and the secondary keel 4; The first connecting assembly includes a first connecting U-groove 21, the top of the first connecting U-groove 21 is fixed to the bottom of the suspension rod 2, a suspension rod oblong hole 23 is provided at the side end of the first connecting U-groove 21, a first connecting sleeve core 31 is fixed to the end of the main keel 3, a main keel oblong hole 32 is provided at the side end of the first connecting sleeve core 31, the suspension rod oblong hole 23 and the main keel oblong hole 32 are arranged correspondingly, and a first connecting bolt group 22 is fixed between the suspension rod oblong hole 23 and the main keel oblong hole 32. Specifically, under the fixing action of the first connecting bolt group 22, the main keel 3 can be fixedly installed at the bottom end of the suspension rod 2; The second connection assembly includes a second connection U-groove 41, the top of the second connection U-groove 41 is fixed to the bottom of the main keel 3, and the end of the secondary keel 4 is fixed with a second connection sleeve 42, which is inserted into the second connection U-groove 41, and a second connection bolt group 43 is fixed between the second connection sleeve 42 and the second connection U-groove 41. Specifically, under the fixing action of the second connection bolt group 43, the secondary keel 4 can be fixedly installed on the main keel 3. The third connection assembly includes a ceiling panel connector 51, through which the ceiling panel 5 is fixedly mounted on the bottom of the secondary keel 4. Specifically, under the fixing action of the ceiling panel connector 51, the ceiling panel 5 can be fixedly mounted on the secondary keel 4. The hoisting assembly includes a main structure hoisting point 6, which is fixed on the main structure 1. A hoisting wire rope 7 is provided on the main structure hoisting point 6 through a pulley block. One end of the hoisting wire rope 7 is used to tie the main keel 3 and the secondary keel 4. The hoisting assembly also includes a winch 9 fixed on the floor. The other end of the hoisting wire rope 7 is fixed on the output shaft of the winch 9. When the main keel 3 and the secondary keel 4 are hoisted by the hoisting wire rope 7, both side ends of the main keel 3 and the secondary keel 4 are provided with adjustment ropes 8. Specifically, the operator can tie one end of the hoisting wire rope 7 to the main keel 3 and the secondary keel 4 to be hoisted, and then when the winch 9 is running, it drives the hoisting wire rope 7 to be reeled, thereby controlling the hoisting operation of the main keel 3 and the secondary keel 4 through the pulley block on the main structure hoisting point 6; A construction method for a high-altitude curved ceiling structure specifically comprises the following steps: S1: After the construction of the main structure 1 is completed, a 3D scanning site survey is first conducted, appropriate substation measurement points are selected, and the main structure roof is scanned using a 3D laser scanner to generate an actual point cloud model. The scanned point cloud model is fitted and compared with the structural BIM deepening model, the data deviation between the actual model and the BIM model is analyzed, and the fitting deviation data (such as Figure 4 shown); S2: Adjust the structural BIM detailed model according to the deviation data to achieve a structural BIM completion model consistent with the actual installation situation, and conduct detailed design of the ceiling system on this basis; S3: Use Blender software to carry out in-depth design of curved ceiling. First, complete the surface model of the curved ceiling according to the curvature of the design drawing, and use the curve of the surface model to generate the curved keel. Finally, use the subdivision function to convert the curved keel into multiple straight keels connected together (such as Figure 5 shown); S4: According to the detailed design model, the net height of the ceiling and the height of the prefabricated hanger are measured, the hanger height and installation height of each position are generated, and the batch processing of hanger 2 is completed in advance (such as Figure 6 and Figure 7 shown); S5: First, the suspension rod 2 and the first connecting U groove 21 are processed and welded, and the suspension rod 2 at each position is installed. The operator connects the suspension rod 2 to the main structure 1 through an aerial work vehicle. The connection form is welding or embedded bolt connection (such as Figure 8 shown); S6: A hoisting hook is set at the main structure 1, and the main structure hoisting point 6 is set at the hook point by welding a steel bar or winding a steel wire rope around a steel beam, and a pulley block is hung under the hook; S7: Install the winch 9 on the floor, pass the hoisting wire rope 7 of the output shaft of the winch 9 through the pulley block under the main structure hanging point 6 and tie it to the main keel 3. Adjustment ropes 8 are provided at both ends of the main keel 3 to adjust the installation direction of the main keel 3. Before hoisting, insert one side of the first connecting sleeve 31 into one end of the main keel 3 and weld it. The main keel 3 and the first connecting sleeve 31 are both provided with a main keel oblong hole 32. The other side of the first connecting sleeve 31 is not processed. At the same time, weld the second connecting U groove 41 to the corresponding main keel 3 according to the position of the secondary keel 4. Finally, hoist the main keel 3 by retracting the winch 9. Align the main keel oblong hole 32 with the hanger oblong hole 23 in the hanger 2 and adjust the height and indentation size. Use the first connecting bolt group 22 to penetrate, fix and weld. S8: According to the method of step S7, the main keel 3 is hoisted and installed, and the side of the main keel 3 to which the first connecting sleeve 31 is not welded is inserted into the first connecting sleeve 31 of the main keel 3 that has been installed previously, without welding or other processing; S9: Complete the installation of all main keels 3 according to the method of steps S7 and S8; S10: According to the method of step S7 and step S8, the secondary keel 4 is hoisted and installed, and the second connecting sleeve core 42 is welded and connected; S11: First connect the ceiling panel connector 51 to the ceiling panel 5, and then drive screws into the bottom of the secondary keel 4, and arrange the spacing according to the design requirements.

[0019] The above is only a preferred embodiment of the present invention. Any person skilled in the art can modify the present invention by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A high altitude curved ceiling structure, comprising a main structure (1), a suspension rod (2), a main keel (3), a secondary keel (4) and a ceiling plate (5), characterized in that: The top end of the suspension rod (2) is vertically fixed to the bottom of the main structure (1); the main keel (3) is installed on the bottom end of the suspension rod (2) via a first connecting assembly; the secondary keel (4) is installed on the main keel (3) via a second connecting assembly; the ceiling panel (5) is installed on the secondary keel (4) via a third connecting assembly; and a hoisting assembly for hoisting the main keel (3) and the secondary keel (4) is also included.

2. A high altitude curved ceiling structure according to claim 1, characterized in that: The first connection assembly comprises a first connection U-groove (21), the top end of the first connection U-groove (21) is fixed to the bottom end of the suspension rod (2), and the side end of the first connection U-groove (21) is provided with a suspension rod oblong hole (23).

3. A high altitude curved ceiling structure according to claim 2, characterized in that: A first connecting sleeve (31) is fixed to the end of the main keel (3), a main keel oblong hole (32) is opened at the side end of the first connecting sleeve (31), the oblong hole (23) of the suspension rod and the oblong hole (32) of the main keel are arranged correspondingly, and a first connecting bolt group (22) is fixed between the oblong hole (23) of the suspension rod and the oblong hole (32) of the main keel.

4. The high altitude curved ceiling structure according to claim 1, characterized in that: The second connection assembly comprises a second connection U-groove (41), the top end of the second connection U-groove (41) is fixed to the bottom of the main keel (3), a second connection sleeve (42) is fixed to the end of the secondary keel (4), the second connection sleeve (42) is inserted into the second connection U-groove (41), and a second connection bolt group (43) is fixed between the second connection sleeve (42) and the second connection U-groove (41).

5. The high altitude curved ceiling structure according to claim 1, characterized in that: The third connection assembly comprises a ceiling panel connection piece (51), and the ceiling panel (5) is fixedly mounted on the bottom of the secondary keel (4) via the ceiling panel connection piece (51).

6. The high altitude curved ceiling structure according to claim 1, characterized in that: The lifting assembly comprises a main structure lifting point (6), the main structure lifting point (6) being fixed on the main structure (1), a lifting wire rope (7) being arranged on the main structure lifting point (6) via a pulley block, one end of the lifting wire rope (7) being used for binding the main keel (3) and the secondary keel (4).

7. The high altitude curved ceiling structure according to claim 6, characterized in that: The hoisting assembly also includes a hoist (9) fixed on the floor, and the other end of the hoisting wire rope (7) is fixed on the output shaft of the hoist (9).

8. The high altitude curved ceiling structure according to claim 6, characterized in that: When the main keel (3) and the secondary keel (4) are hoisted by the hoisting wire rope (7), both side ends of the main keel (3) and the side ends of the secondary keel (4) are provided with adjustment ropes (8).

9. A construction method for a high-altitude curved ceiling structure according to any one of claims 1 to 8, characterized in that: The specific steps include: S1: After the construction of the main structure (1) is completed, a 3D scanning site survey is first conducted to select appropriate substation measurement points, and the main structure roof is scanned using a 3D laser scanner to generate an actual point cloud model. The scanned point cloud model is then fitted and compared with the structural BIM detailed model, the data deviation between the actual model and the BIM model is analyzed, and the fitting deviation data is output; S2: Adjust the structural BIM detailed model according to the deviation data to achieve a structural BIM completion model consistent with the actual installation situation, and conduct detailed design of the ceiling system on this basis; S3: Use Blender software to carry out in-depth design of curved ceiling. First, complete the surface model of the curved ceiling according to the curvature provided in the design drawing, use the curve of the surface model to generate the curved keel, and finally use the subdivision function to convert the curved keel into multiple straight keels connected together; S4: Based on the detailed design model, the net height of the suspended ceiling and the height of the prefabricated hangers are measured, the hanger height and installation height of each position are generated, and the batch processing of the hangers (2) is completed in advance; S5: First, the suspension rod (2) and the first connecting U-groove (21) are processed and welded, and the suspension rod (2) at each position is installed. The operator connects the suspension rod (2) to the main structure (1) by means of an aerial work vehicle, and the connection is made by welding or pre-buried bolt connection; S6: a lifting hook is arranged at the main structure (1), and a lifting point (6) of the main structure is set by welding a steel bar or winding a steel wire rope around a steel beam, and a pulley block is hung under the hook; S7: Install a winch (9) on the floor, pass the hoisting wire rope (7) of the output shaft of the winch (9) through the pulley block under the main structure suspension point (6) and tie it to the main keel (3). Adjustment ropes (8) are provided at both ends of the main keel (3) to adjust the installation direction of the main keel (3). Before hoisting, insert one side of the first connection sleeve (31) into one end of the main keel (3) and weld them. The main keel (3) and the first connection sleeve (31) are both provided with a main keel length. The first connecting sleeve (31) is not processed on the other side. At the same time, the second connecting U-groove (41) is welded to the corresponding main keel (3) according to the position of the secondary keel (4). Finally, the main keel (3) is hoisted by retracting the winch (9). The main keel oblong hole (32) of the main keel (3) is aligned with the oblong hole (23) of the suspension rod (2) and the height and indentation size are adjusted. The first connecting bolt group (22) is inserted to fix and weld; S8: hoisting and installing the main keel (3) according to the method of step S7, inserting the side of the main keel (3) to which the first connecting sleeve (31) is not welded into the first connecting sleeve (31) of the main keel (3) that has been installed previously, without welding or other processing; S9: Complete the installation of all main keels (3) according to the method of steps S7 and S8; S10: According to the method of step S7 and step S8, the secondary keel (4) is hoisted and installed, and the second connecting sleeve (42) is welded and connected; S11: First, connect the ceiling plate connector (51) to the ceiling plate (5), and then drive screws into the bottom of the secondary keel (4), with the spacing arranged according to the design requirements.

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