Modularized keel system of irregular multi-curved-surface curtain wall and construction method

Abstract

The invention relates to the technical field of irregular curved surface curtain wall construction, in particular to a modular keel system of an irregular multi-curved surface curtain wall and a construction method. The fixing frame is fixedly arranged on a wall body; the grid-shaped keel frame is fixedly arranged on the fixing frame, and the keel frame is formed by splicing and fixing a plurality of different components; the curtain wall glass covers the keel frame, each curtain wall glass is located on a corresponding unit grid on the keel frame, and the curtain wall glass is sequentially connected end to end and is in a wave shape as a whole. The glass curtain wall has the beneficial effects that the whole keel frame is split into a plurality of parts, the keel frame and the glass curtain wall are customized in a processing plant, and the plurality of parts are spliced and fixed at designed positions during construction, so that the working procedures of a construction site are simplified to a great extent, and the construction effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of irregular curved surface curtain wall construction, in particular to a modular keel system and a construction method of an irregular multi-curved surface curtain wall. Background Art

[0002] With the development of the construction industry, curtain wall buildings with various shapes have gradually become a mainstream demand. In order to meet this demand, curtain walls as the outer wall enclosure of buildings have been given new requirements, which are reflected in the panels and structures that have various special-shaped changes according to the requirements of the building shape, achieving a certain architectural art effect. This unique curtain wall is also called a special-shaped curtain wall.

[0003] In the construction of conventional special-shaped curtain walls, the curtain wall keels need to be processed and welded on-site first, and then the glass is ordered according to the actual size of the keel installation. This construction method cannot guarantee the accuracy of the keel installation during the construction of special-shaped curtain walls, and the size deviation of the special-shaped curved glass cannot ensure that the size of the ordered glass fits closely with the keel, which can easily lead to problems such as poor air tightness and water leakage. The late ordering process of glass will lead to a longer curtain wall installation period.

[0004] Therefore, the present invention proposes a modular keel system and a construction method for an irregular multi-curved curtain wall. Summary of the invention

[0005] The purpose of the present invention is to overcome the defects of the prior art and provide a modular keel system and construction method for irregular multi-curved curtain walls, so as to solve the problems that the accuracy of keel installation cannot be guaranteed during the construction of existing special-shaped curtain wall keels, which easily leads to poor air tightness and water leakage.

[0006] The present invention provides a modular keel system for an irregular multi-curved curtain wall, and the technical solution is as follows: comprising: a fixing frame fixed on a wall; a grid-shaped keel frame fixed on the fixing frame, the keel frame being formed by splicing and fixing a plurality of different components; a plurality of curtain wall glasses covering the keel frame, each of the curtain wall glasses being located on a corresponding unit grid on the keel frame, and the plurality of curtain wall glasses being connected end to end in sequence and being wavy in shape as a whole.

[0007] Furthermore, the keel frame includes: a plurality of L-shaped keels of different sizes, wherein the sizes of the L-shaped keels decrease successively from left to right, and the heights of two adjacent L-shaped keels are different, while the heights of two separated L-shaped keels are the same; a plurality of second connecting keels arranged between two adjacent L-shaped keels, and the second connecting keels on the outermost L-shaped keels are arc-shaped; first connecting keels arranged at intervals on the fixing frame, wherein the first end of the first connecting keel is fixedly connected to the fixing frame, and the second end is fixedly connected to the L-shaped keel.

[0008] Furthermore, each of the L-shaped keels includes: an arc-shaped keel, the angle between the extended lines of the two ends of the arc-shaped keel is 90°; pins fixed at the two ends of the arc-shaped keel; and straight keels arranged at the two ends of the arc-shaped keel, the straight keels being plugged into the pins.

[0009] Furthermore, the glass curtain wall has four types, including: a plurality of hyperbolic glasses, the hyperbolic glasses are located between the outermost curved keel and the adjacent curved keel, and the design curvature of the hyperbolic glasses is adapted to the design curvature of the corresponding curved keel and the corresponding second connecting keel; a plurality of first single-curved glasses, the first single-curved glasses are located between the outermost straight keel and the adjacent straight keel, and the design curvature of the first single-curved glasses is adapted to the design curvature of the corresponding second connecting keel; a plurality of second single-curved glasses, the second single-curved glasses are located between two adjacent curved keels on the inner side, and the design curvature of the second single-curved glasses is adapted to the design curvature of the corresponding curved keel; a plurality of flat glasses, the flat glasses are located between two adjacent straight keels on the inner side.

[0010] Furthermore, it also includes: a plurality of U-shaped steels, the plurality of U-shaped steels are fixedly arranged on a side of the arc keel, the straight keel and the second connecting keel close to the glass curtain wall, and the grooves on the U-shaped steel face outward; a spliced ​​auxiliary frame fixedly arranged in the U-shaped steel, the height of the auxiliary frame is higher than the depth of the groove, the bottom surface of the curtain wall glass is fitted with the auxiliary frame, and a long strip hole that is transparent from top to bottom is opened in the middle of the auxiliary frame; a plurality of L-shaped glass holders, the L-shaped glass holders are distributed in the U-shaped steel at intervals, one end of the L-shaped glass holder is located at the bottom of the auxiliary frame, and the other end passes through the long strip hole on the auxiliary frame and is provided with an extension portion extending to the outside of the U-shaped steel, and the extension portion of the L-shaped glass holder is located between the corresponding two glass curtain walls.

[0011] The present invention also provides a construction method for a modular keel system of an irregular multi-curved curtain wall, and the specific construction steps are as follows: S1: establishing a BIM model according to the design size, and customizing the keel frame, the fixing frame and the curtain wall glass; S2: transporting the keel frame, the fixing frame and the curtain wall glass to the construction location; S3: providing a total station, installing the fixing frame to the designed position of the wall, assembling the keel frame and fixing it to the fixing frame, and using the total station for real-time positioning during the process to ensure installation accuracy; S4: installing the curtain wall glass on the keel frame.

[0012] Furthermore, the steps for splicing the keel frame are as follows: assemble the L-shaped keel, provide a plurality of arc-shaped keels and a plurality of straight keels, plug the straight keels into the pins at both ends of the arc-shaped keels, and weld the joints, arrange the plurality of L-shaped keels from left to right in sequence, and make the L-shaped keels on the left side larger than the L-shaped keels on the right side in sequence; provide a plurality of second connecting keels, fix the second connecting keels between the corresponding two L-shaped keels; provide a plurality of first connecting keels, fix the second ends of the first connecting keels on the L-shaped keels at intervals, and fix the first ends on the fixing frame.

[0013] Furthermore, after the keel frame is installed, an auxiliary frame, a plurality of L-shaped glass holders and a plurality of U-shaped steels are provided, and the plurality of U-shaped steels are fixed on the arc keel, the straight keel and the second connecting keel, and then the L-shaped glass holder is fixed in the U-shaped steel, and the auxiliary frame is installed in the U-shaped steel, and during installation, the L-shaped glass holder is made to correspond to the long strip hole.

[0014] Furthermore, after the auxiliary frame and the L-shaped glass holder are installed, the glass curtain wall is installed, and after the installation, glue is injected into the gap between two adjacent glass curtain walls.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] By splitting the overall keel frame into several parts, the keel frame and glass curtain wall are customized in the processing plant, and during construction, several parts are assembled and fixed at the designed position, which greatly simplifies the construction site process and improves the construction effect.

[0017] By adopting the idea of ​​modular design and assembly construction, the complex spatial grid-like keel frame is optimized into several modular keel frames manufactured in the processing plant, including the first connecting keel, the curved keel, the straight keel and the second connecting keel, and then the complex spatial point relationship is converted into the position relationship of each modular keel frame connection point, thereby improving the work efficiency during curtain wall construction.

[0018] The prefabricated keel frame greatly ensures the installation accuracy during installation, meets the conditions for early production and ordering of special-shaped glass curtain walls, further reduces the construction period, and produces high-quality finished curtain walls. It also saves subsequent repair and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional front view of the modular keel system of the irregular multi-curved curtain wall of the present invention.

[0020] Figure 2It is a three-dimensional rear view of the modular keel system of the irregular multi-curved curtain wall of the present invention.

[0021] Figure 3 It is a schematic plan view of a modular keel system of an irregular multi-curved curtain wall according to the present invention.

[0022] Figure 4 It is a schematic diagram of the keel frame of the modular keel system of the irregular multi-curved curtain wall of the present invention.

[0023] Figure 5 It is an exploded view of the keel frame of the modular keel system of the irregular multi-curved curtain wall of the present invention.

[0024] Figure 6 It is a schematic diagram of some components of the modular keel system of the irregular multi-curved curtain wall of the present invention.

[0025] Figure 7 The figure is a schematic diagram of a modular keel system of an irregular multi-curved curtain wall according to the present invention.

[0026] Legend: 1. Keel frame; 2. First connecting keel; 3. Curtain wall glass; 4. Fixing frame; 5. Aluminum alloy buckle cover; 6. Latch; 7. Curved keel; 8. L-shaped glass support; 9. Straight keel; 10. Second connecting keel; 11. Attached frame. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0028] See also Figure 1 The present invention provides a modular keel system and construction method for an irregular multi-curved curtain wall, which solves the problem that the accuracy of keel installation cannot be guaranteed during the construction of existing special-shaped curtain wall keels, which easily leads to poor air tightness and water leakage. By splitting the overall keel frame into several parts, the keel frame and the glass curtain wall are customized in the processing plant, and several parts are assembled and fixed at the designed position during construction, thereby greatly simplifying the construction site process and improving the construction effect. By adopting the idea of ​​modular design and assembly construction, the complex spatial grid-shaped keel frame is optimized into a modular keel frame of several parts manufactured in the processing plant, including a first connecting keel, an arc keel, a straight keel and a second connecting keel, and then the complex spatial point relationship is converted into the position relationship of each modular keel frame connection point, thereby improving the work efficiency during curtain wall construction. The prefabricated keel frame greatly guarantees the installation accuracy during installation, meets the conditions for the advance production and ordering of special-shaped glass curtain walls, further reduces the construction period, and produces high-quality finished curtain walls. It also saves subsequent rework and maintenance costs.

[0029] The modular keel system and construction method of an irregular multi-curved curtain wall of the present invention are described below with reference to the accompanying drawings.

[0030] See also Figure 1 , showing a three-dimensional front view of the modular keel system of the irregular multi-curved curtain wall of the present invention. Figure 2 , showing a three-dimensional rear view of the modular keel system of the irregular multi-curved curtain wall of the present invention. Figure 3 , showing a schematic plan view of a modular keel system for an irregular multi-curved curtain wall of the present invention. Figure 4 , showing a schematic diagram of the supporting keel of the modular keel system of the irregular multi-curved curtain wall of the present invention. Figure 5 , showing an exploded view of the supporting keel of the modular keel system of the irregular multi-curved curtain wall of the present invention. Figures 1 to 5 , a modular keel system and construction method of an irregular multi-curved curtain wall of the present invention are described.

[0031] like Figures 1 to 5 As shown, a modular keel system of an irregular multi-curved curtain wall of the present invention comprises: a fixing frame 4 fixed on a wall; a grid-shaped keel frame 1 fixed on the fixing frame 4, wherein the keel frame 1 is formed by splicing and fixing a plurality of different components; a plurality of curtain wall glasses 3 covering the keel frame 1, wherein each of the curtain wall glasses 3 is located on a corresponding unit grid on the keel frame 1, and the plurality of curtain wall glasses 3 are sequentially connected end to end and are generally wavy.

[0032] In a specific embodiment, the keel frame 1 includes: a plurality of L-shaped keels of different sizes, wherein the sizes of the L-shaped keels decrease from left to right, and the heights of two adjacent L-shaped keels are different, while the heights of two separated L-shaped keels are the same; a plurality of second connecting keels 10 arranged between two adjacent L-shaped keels, and the second connecting keel 10 located on the outermost L-shaped keel is arc-shaped; first connecting keels 2 arranged at intervals on the fixing frame 4, wherein the first end of the first connecting keel 2 is fixedly connected to the fixing frame 4, and the second end is fixedly connected to the L-shaped keel.

[0033] In a specific embodiment, each of the L-shaped keels includes: an arcuate keel 7, wherein the angle between the extended lines of the two ends of the arcuate keel 7 is 90°; a latch 6 fixedly mounted at the two ends of the arcuate keel 7; and a straight keel 9 mounted at the two ends of the arcuate keel 7, wherein the straight keel 9 is plugged into the latch 6.

[0034] In a specific embodiment, the glass curtain wall 3 has four types, including: a plurality of hyperbolic glasses, the hyperbolic glasses are located between the outermost curved keel 7 and the adjacent curved keel 7, and the design curvature of the hyperbolic glasses is adapted to the design curvature of the corresponding curved keel 7 and the corresponding second connecting keel 10; a plurality of first single-curved glasses, the first single-curved glasses are located between the outermost straight keel 9 and the adjacent straight keel 9, and the design curvature of the first single-curved glasses is adapted to the design curvature of the corresponding second connecting keel 10; a plurality of second single-curved glasses, the second single-curved glasses are located between two adjacent curved keels 7 on the inner side, and the design curvature of the second single-curved glasses is adapted to the design curvature of the corresponding curved keel 7; a plurality of flat glasses, the flat glasses are located between two adjacent straight keels 9 on the inner side.

[0035] In a specific embodiment, it also includes: a plurality of U-shaped steels, which are fixedly arranged on one side of the arc keel 7, the straight keel 9 and the second connecting keel 10 close to the glass curtain wall 3, and the groove on the U-shaped steel faces outward; a spliced ​​auxiliary frame 11 fixedly arranged in the U-shaped steel, the height of the auxiliary frame 11 is higher than the depth of the groove, the bottom surface of the curtain wall glass 3 is in contact with the auxiliary frame 11, and a long strip hole that is transparent from top to bottom is opened in the middle of the auxiliary frame 11; a plurality of L-shaped glass holders 8, which are distributed in the U-shaped steel at intervals, one end of the L-shaped glass holder 8 is located at the bottom of the auxiliary frame 11, and the other end passes through the long strip hole on the auxiliary frame 11 and is provided with an extension portion extending to the outside of the U-shaped steel, and the extension portion of the L-shaped glass holder 8 is located between the corresponding two glass curtain walls 3.

[0036] In a specific embodiment, it also includes an aluminum alloy buckle cover 5 installed on one side of the keel frame 1. By setting the aluminum alloy buckle cover 5, the side of the keel frame 1 can be covered, thereby improving the overall aesthetics of the curtain wall.

[0037] The present invention also provides a construction method for a modular keel system of an irregular multi-curved curtain wall, and the specific construction steps are as follows: S1: Establish a BIM model according to the design size, and customize the keel frame 1, the fixing frame 4 and the curtain wall glass 3; S2: Transport the keel frame 1, the fixing frame 4 and the curtain wall glass 3 to the construction location; S3: Provide a total station, install the fixing frame 4 to the designed position of the wall, assemble the keel frame 1 and fix it to the fixing frame 4, and use the total station for real-time positioning during the process to ensure installation accuracy; S4: Install the curtain wall glass 3 on the keel frame 1.

[0038] In a specific embodiment, the splicing steps of the keel frame 1 are as follows: assemble L-shaped keels, provide multiple arc-shaped keels 7 and multiple straight keels 9, plug the straight keels 9 into the pins 6 at both ends of the arc-shaped keels 7, and weld the connections, arrange the multiple L-shaped keels from left to right in sequence, and make the L-shaped keels on the left larger than the L-shaped keels on the right in sequence; provide multiple second connecting keels 10, fix the second connecting keels 10 between the corresponding two L-shaped keels; provide multiple first connecting keels 2, fix the second ends of the first connecting keels 2 on the L-shaped keels at intervals, and fix the first ends on the fixing frame 4.

[0039] In a specific embodiment, after the keel frame 1 is installed, an auxiliary frame 11, a plurality of L-shaped glass holders 8 and a plurality of U-shaped steels are provided, and the plurality of U-shaped steels are fixed on the arc keel 7, the straight keel 9 and the second connecting keel 10, and then the L-shaped glass holder 8 is fixed in the U-shaped steel, and the auxiliary frame 11 is installed in the U-shaped steel, and during installation, the L-shaped glass holder 8 is matched with the long strip hole.

[0040] In a specific implementation, after the auxiliary frame 11 and the L-shaped glass holder 8 are installed, the glass curtain wall 3 is installed. After installation, glue is injected into the gap between two adjacent glass curtain walls 3 to fill the gap between the glass curtain walls 3 .

[0041] The construction process of a modular keel system for an irregular multi-curved curtain wall of the present invention is described in detail below.

[0042] A BIM model is established based on the design information of the construction plan and construction size parameters, and the coordinates and size information of each keel frame 1 are derived from the BIM model. Then, the keel frame 1 is modularized using BIM, and the optimal result of the construction and installation simulation is performed, the size information of the keel frame 1 and the curtain wall glass 3 is confirmed, and an order is placed for customization.

[0043] Before the keel frame 1 leaves the factory, it needs to be pre-assembled in the factory to check the assembly effect of the keel frame 1 and ensure that the dimensional deviation meets the design requirements before transporting the keel frame 1 and the curtain wall glass 3 to the construction site.

[0044] Before installing the keel frame 1, it is necessary to use a total station to lay out and position the lines, fix the fixing frame 4 to the wall at the designed position, and then install the keel frame 1 on the fixing frame 4 according to the installation sequence. After the keel frame 1 is installed, use a three-dimensional scanner to scan the keel frame 1 to verify its size.

[0045] After the keel frame 1 is installed, the size is checked using a total station to ensure the installation accuracy of the keel. Then the auxiliary frame 11 and the L-shaped glass holder 8 are installed on the keel frame 1, the glass curtain wall 3 is installed on the keel frame 1, and glue is injected into the gaps between the glass curtain walls 3 to ensure the connection between the glass curtain walls 3.

[0046] When installing the keel frame 1, the pin 6 on the arc keel 7 is used to assist the installation, and spot welding is performed at the connection between the arc keel 7 and the straight keel 9, and the main structure and the keel are welded with angle steel for temporary fixation. After the keel frame 1 is assembled, all the connections of the keel frame 1 are fully welded, and dispersed welding is required during full welding to avoid deformation of the keel due to concentrated welding.

[0047] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.

Claims

1. A modular keel system for irregular multi-curved curtain walls, characterized by: include: A fixing frame (4) fixed on the wall; A grid-shaped keel frame (1) fixedly mounted on the fixing frame (4), wherein the keel frame (1) is formed by splicing and fixing a plurality of different components; A plurality of curtain wall glasses (3) covering the keel frame (1), each of the curtain wall glasses (3) being located on a corresponding unit grid on the keel frame (1), and the plurality of curtain wall glasses (3) being connected end to end in sequence and forming a wavy shape overall.

2. The modular keel system of irregular multi-curved curtain wall according to claim 1, characterized in that: The keel frame (1) comprises: A plurality of L-shaped keels of different sizes, wherein the sizes of the L-shaped keels decrease from left to right, and the heights of two adjacent L-shaped keels are different, while the heights of two separated L-shaped keels are the same; A plurality of second connecting keels (10) are arranged between two adjacent L-shaped keels, and the second connecting keel (10) located on the outermost L-shaped keel is arc-shaped; The first connecting keels (2) are arranged at intervals on the fixing frame (4), wherein the first end of the first connecting keel (2) is fixedly connected to the fixing frame (4), and the second end is fixedly connected to the L-shaped keel.

3. The modular keel system of the irregular multi-curved curtain wall according to claim 2, characterized in that: Each of the L-shaped keels comprises: An arc-shaped keel (7), wherein the angle between the extension lines of the two ends of the arc-shaped keel (7) is 90°; Pins (6) fixedly mounted at both ends of the arc-shaped keel (7); Straight keels (9) are arranged at both ends of the arc-shaped keel (7), and the straight keels (9) are plugged into the latch pin (6).

4. The modular keel system of irregular multi-curved curtain wall according to claim 3, characterized in that: The glass curtain wall (3) has four types, including: A plurality of hyperbolic glasses, wherein the hyperbolic glasses are located between the outermost arc keel (7) and the arc keel (7) adjacent thereto, and the design curvature of the hyperbolic glasses is adapted to the design curvature of the corresponding arc keel (7) and the corresponding second connecting keel (10); a plurality of first single-curved glasses, wherein the first single-curved glasses are located between the outermost straight keel (9) and the straight keel (9) adjacent thereto, and the design curvature of the first single-curved glasses matches the design curvature of the corresponding second connecting keel (10); A plurality of second single-curved glasses, wherein the second single-curved glasses are located between two adjacent inner curved keels (7), and the design curvature of the second single-curved glasses matches the design curvature of the corresponding curved keel (7); A plurality of flat glass sheets, wherein the flat glass sheets are located between two adjacent inner straight keels (9).

5. The modular keel system of irregular multi-curved curtain wall according to claim 3, characterized in that: Also includes: A plurality of U-shaped steels, wherein the plurality of U-shaped steels are fixedly arranged on a side of the arc-shaped keel (7), the straight keel (9) and the second connecting keel (10) close to the glass curtain wall (3), and the grooves on the U-shaped steels face outwards; An auxiliary frame (11) is fixedly mounted in the U-shaped steel, the height of the auxiliary frame (11) is higher than the depth of the groove, the bottom surface of the curtain wall glass (3) is in contact with the auxiliary frame (11), and a long hole that is transparent from top to bottom is opened in the middle of the auxiliary frame (11); A plurality of L-shaped glass holders (8), the L-shaped glass holders (8) are spaced apart and distributed in the U-shaped steel, one end of the L-shaped glass holder (8) is located at the bottom of the auxiliary frame (11), and the other end passes through the long hole on the auxiliary frame (11) and is provided with an extension portion extending to the outside of the U-shaped steel, and the extension portion of the L-shaped glass holder (8) is located between the corresponding two glass curtain walls (3).

6. A construction method of a modular keel system for an irregular multi-curved curtain wall according to claim 1, characterized in that: The specific construction steps are as follows: S1: Establish a BIM model according to the design dimensions, and customize the keel frame (1), the fixing frame (4) and the curtain wall glass (3); S2: transporting the keel frame (1), the fixing frame (4) and the curtain wall glass (3) to a location to be constructed; S3: providing a total station, installing the fixing frame (4) at the designed position of the wall, assembling the keel frame (1) and fixing it to the fixing frame (4), and using the total station for real-time positioning during the process to ensure installation accuracy; S4: Installing the curtain wall glass (3) onto the keel frame (1).

7. The construction method of the modular keel system of the irregular multi-curved curtain wall according to claim 6 is characterized by: The steps for splicing the keel frame (1) are as follows: Assembling L-shaped keels, providing a plurality of arc-shaped keels (7) and a plurality of straight keels (9), plugging the straight keels (9) into the pins (6) at both ends of the arc-shaped keel (7), and welding the connection points, arranging the plurality of L-shaped keels in sequence from left to right, and making the L-shaped keels on the left side larger than the L-shaped keels on the right side; Providing a plurality of second connecting keels (10), and fixing the second connecting keels (10) between corresponding two of the L-shaped keels; A plurality of first connecting keels (2) are provided, and the second ends of the first connecting keels (2) are fixedly mounted on the L-shaped keel at intervals, and the first ends are fixedly mounted on the fixing frame (4).

8. The construction method of the modular keel system of the irregular multi-curved curtain wall according to claim 6 is characterized by: After the keel frame (1) is installed, an auxiliary frame (11), a plurality of L-shaped glass holders (8) and a plurality of U-shaped steels are provided, and the plurality of U-shaped steels are fixedly mounted on the arc keel (7), the straight keel (9) and the second connecting keel (10), and then the L-shaped glass holder (8) is fixedly mounted in the U-shaped steel, and the auxiliary frame (11) is installed in the U-shaped steel, and during installation, the L-shaped glass holder (8) is matched with the long strip hole.

9. The construction method of the modular keel system of the irregular multi-curved curtain wall according to claim 8 is characterized by: After the auxiliary frame (11) and the L-shaped glass holder (8) are installed, the glass curtain wall (3) is installed. After the installation, glue is injected into the gap between two adjacent glass curtain walls (3).

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