Overhanging wavy cornice

Abstract

An overhanging wave-shaped overhanging eave is arranged between an upper glass curtain wall and a lower glass curtain wall, is attached to the outer vertical face of a structural wall and is formed by splicing a plurality of unit bodies, each unit body comprises a steel framework and an aluminum plate laid on the outer surface of the steel framework, and the overhanging wave-shaped overhanging eave is characterized in that the steel framework comprises a vertical ribbon keel and an overhanging keel, and the vertical ribbon keel is provided with a hanging piece; the hanging piece is fixed with an adapter piece fixed on a structural wall body; the cantilever keel is formed by connecting a plurality of single-frame steel frames in series through longitudinal square steel, and each single-frame steel frame is of a right-trapezoid-like structure with the wide top face and the narrow bottom face. In a rapid building mode, parameterized single-order material lifting and on-site keel and surface layer integral splicing and hoisting can be carried out on the integral structure by means of the BIM technology, and the problems that the construction difficulty of the special-shaped outer curtain wall aluminum plate is high, the construction period is long, and the construction quality is difficult to guarantee are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of building construction, in particular to a cantilevered wave-shaped eave. BACKGROUND

[0002] In recent years, urbanization construction is showing vigorous vitality, various large buildings have complex shapes, on the basis of meeting practical functions, they also need to reflect the beauty of architecture, the complexity of the design of the outer curtain wall modeling is increasing day by day, and the corresponding construction difficulty is also rising exponentially, the existing outer curtain wall measures are generally based on scaffolding and basket construction, which is difficult to meet the needs of irregular and cantilevered shapes. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a cantilevered wave-shaped eave which is formed by splicing a plurality of unit bodies, the unit bodies are installed by the way of pre-assembly and hoisting, and the aluminum plate curtain wall eave with a wave-shaped end face is formed, which is matched with the glass curtain wall to form a shape.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A cantilevered wave-shaped eave is arranged between upper and lower glass curtain walls and attached to the outer facade of a structural wall, and is formed by splicing a plurality of unit bodies, the unit bodies include a steel framework and an aluminum plate attached to the outer surface of the steel framework, and are characterized in that the steel framework includes a vertical ribbon keel and a cantilevered keel, the vertical ribbon keel is provided with a hanging piece, and the hanging piece is fixed with an adapter fixed to the structural wall; the cantilevered keel is formed by connecting a plurality of single steel frames by longitudinal square steel, the single steel frame has a structure similar to a right-angle trapezoid with a wide top surface and a narrow bottom surface; the acute angle end and the obtuse angle end of adjacent single steel frames are connected by arc-shaped square steel, the single steel frames are inclined downward at different angles, and the wave-shaped top surface of the cantilevered curtain wall is realized, and the wave-shaped end face of the cantilevered curtain wall is realized by the different overall horizontal lengths of the single steel frames.

[0006] Further preferably, the single steel frame includes an upper long horizontal rod, a lower short horizontal rod, vertical rods and inclined rods supported between the upper long horizontal rod and the lower short horizontal rod, and an inclined end rod connected between the extension end portions of the upper long horizontal rod and the lower short horizontal rod.

[0007] Further preferably, the upper long horizontal rod, the lower short horizontal rod, the inclined rods, the vertical rods and the inclined end rod are all formed by cutting square steel, and the inclined rods are formed by cutting angle steel.

[0008] Further, the two inclined rods are arranged on both sides of the vertical rod and are arranged in an inverted eight shape, the left inclined rod is supported between the vertical ribbon keel and the lower short horizontal rod, and the right inclined rod is supported between the lower short horizontal rod and the upper long horizontal rod.

[0009] Further, the hanging piece is a short square steel vertically welded on the vertical ribbon keel, the adapter includes a buried piece and a buried rod fixed with the structural wall, the buried rod is provided with a limiting angle steel, and the hanging piece is limited between the two limiting angle steels.

[0010] Further, the vertical ribbon keel is connected through longitudinal rods.

[0011] In addition, the upper long horizontal rod is inclined downward by 0-3 degrees, and the inclined end rod is inclined upward by 45 degrees.

[0012] More preferably, the aluminum plate is formed by connecting a plurality of aluminum plate units through U-shaped pieces and screws.

[0013] Compared with the prior art, the utility model has the following characteristics and beneficial effects:

[0014] The present application divides the different male eaves into a plurality of unit bodies, changes the length of the single steel frame in the transverse direction, and connects the end arc-shaped square steel with different angles to realize the wave-shaped change of the eaves in the downward and upward directions. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The present application relates to a cantilever keel structure Figure 1 ;

[0016] Figure 2 The present application relates to a cantilever keel structure Figure 2 ;

[0017] Figure 3 The present application relates to a cantilever keel structure

[0018] Figure 4 The present application relates to a cantilever keel structure

[0019] Figure 5 The present application relates to a cantilever keel structure

[0020] Figure 6 The present application relates to a cantilever keel structure DETAILED DESCRIPTION

[0021] To make the technical means, innovative features, objectives and effects of this utility model easier to understand, the utility model will be further described below.

[0022] The embodiments described herein are specific implementations of this utility model, used to illustrate the concept of this utility model. They are all illustrative and exemplary, and should not be construed as limiting the implementation methods or scope of this utility model. In addition to the embodiments described herein, those skilled in the art can employ other obvious technical solutions based on the content disclosed in the claims and specification of this application. These technical solutions include those that make any obvious substitutions and modifications to the embodiments described herein.

[0023] Example 1

[0024] A type of cantilevered, wave-shaped eaves, such as Figures 1-6 As shown, it is located between the upper and lower glass curtain walls and attached to the exterior of the structural wall 1. It is formed by splicing several unit bodies. Each unit body includes a steel frame and an aluminum plate covering the outer surface of the steel frame. The steel frame includes vertical ribbon keel 2 and cantilever keel 3. The vertical ribbon keel 2 is equipped with a hanger, which is fixed to the adapter 4 fixed on the structural wall 1. The cantilever keel 3 is formed by connecting several single steel frames through longitudinal square steel 7. The single steel frame is a quasi-right trapezoidal structure with a wide top and narrow bottom. The acute and obtuse angle ends of adjacent single steel frames are connected by arc-shaped square steel 8. By tilting the top surface of the single steel frame downward at different angles, the wave shape of the top surface of the cantilever curtain wall is achieved. By the different horizontal lengths of the single steel frames, the wave shape of the end face of the cantilever curtain wall is achieved. A single steel frame includes an upper long horizontal bar 31, a lower short horizontal bar 32, and vertical bars 33 and diagonal bars 34 supported between the upper long horizontal bar 31 and the lower short horizontal bar 32, as well as diagonal end bars 5 connected between the extended ends of the upper long horizontal bar 31 and the lower short horizontal bar 32.

[0025] Example 2

[0026] Based on Embodiment 1, the upper horizontal bar 31, lower short horizontal bar 32, diagonal bar 34, vertical bar 33, and diagonal end bar 35 are all formed by cutting square steel, and the diagonal bar 34 is formed by cutting angle steel. The two diagonal bars 34 are respectively set on both sides of the vertical bar 33 and arranged in an inverted V shape. The left diagonal bar 34 is supported between the vertical ribbon keel 2 and the lower short horizontal bar 32, and the right diagonal bar 34 is supported between the lower short horizontal bar 32 and the upper horizontal bar 31. The connecting piece is a short square steel vertically welded to the vertical ribbon keel 2. The connecting piece 4 includes an embedded part and an embedded rod fixed to the structural wall 1. The embedded rod is provided with a limiting angle steel 5. The connecting piece is limited between the two limiting angle steels 5. The vertical ribbon keel 2 is connected in series by longitudinal bars 6. The upper horizontal bar 31 is inclined downward at 0°~3°, and the diagonal end bar 35 is inclined upward at 45°. The aluminum plate is formed by connecting several aluminum plate units through U-shaped parts 9 and screws.

[0027] Embodiment 3

[0028] Based on Embodiments 1 and 2, a large-span cantilever-shaped aluminum plate assembly construction technology is provided, and the technical features mainly lie in the following aspects.

[0029] 1. BIM technology is adopted, a rhino model is constructed according to the field reverse size, the visualization and informatization of the model are utilized, the GH plug-in is borrowed to assist in deepening the design and cutting, and the machining size and accuracy are ensured. According to the design requirements of the outer contour, more than 2000 different types of keels of the target building, and 11520 different sizes of special-shaped aluminum plates are accurately ordered, and at this time, the keels and aluminum plates can be concentratedly machined and assembled on the ground. High-altitude operation is reduced, the construction precision can be controlled to the maximum extent, and the final completion quality can be effectively guaranteed.

[0030] 2. The aluminum plate is divided into 5 units, each unit has a length of 1370mm, and the total length of one unit is 5500mm. SAP2000 finite element analysis software is used for simulation lifting analysis, the safety of the unit plate structure and the deformation in the lifting process are calculated and analyzed, and the lifting point is determined. Some aluminum plates are installed on the ground first and then lifted. The self-weight load and wind load are applied, the 4-span cantilever 2650mm (the maximum cantilever), 2-span cantilever 2650mm+2-span cantilever 1300mm (eccentric cantilever) units are analyzed, the keel specification, reinforcement measures and welding requirements are determined, and the unit deformation is ensured to be within a controllable range during lifting, and the vertical keel is an 80*5 square tube, and the cantilever keel is a 50*4 square tube and an L50*4 angle steel welded together.

[0031] 3. A special adapter is designed, the limiting angle iron is pre-processed on the adapter according to the actual size on the site, the auxiliary horizontal keel is installed at the corresponding position of the unit steel frame, the aluminum plate unit is hung on the adapter during lifting, and the rough positioning is completed, and then two manual hoists are matched to adjust the inclination angle of the unit, so that the installation precision can be ensured, and sufficient adjustment allowance is provided.

[0032] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0033] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A cantilevered wave-shaped cornice, arranged between upper and lower glass curtain walls, attached to the outer facade of a structural wall (1), formed by splicing a plurality of unit bodies, the unit body comprising a steel framework and an aluminum plate laid on the outer surface of the steel framework, characterized in that: The steel frame comprises vertical ribbon keels (2) and cantilever keels (3), the vertical ribbon keels (2) are provided with hanging pieces, the hanging pieces are fixed with adapter pieces (4) fixed on the structural wall (1), the cantilever keels (3) are formed by connecting a plurality of single-frame steel frames through longitudinal square steels (7), the single-frame steel frame has a top surface wider than a bottom surface and has a structure similar to a right-angle trapezoid, the acute-angle end and the obtuse-angle end of adjacent single-frame steel frames are connected through arc-shaped square steels (8), the single-frame steel frame is inclined downward at different angles through the top surface, the wave-shaped top surface of the cantilever curtain wall is realized, and the wave-shaped end surface of the cantilever curtain wall is realized through the different overall horizontal lengths of the single-frame steel frames.

2. A cantilevered wave-shaped cornice as claimed in claim 1, characterized in that: The single-frame steel frame comprises an upper long horizontal rod (31), a lower short horizontal rod (32), vertical rods (33) and inclined rods (34) supported between the upper long horizontal rod (31) and the lower short horizontal rod (32), and an inclined end rod (35) connected between the upper long horizontal rod (31) and the lower short horizontal rod (32).

3. A cantilevered wave-shaped cornice according to claim 2, wherein: The upper long horizontal rod (31), the lower short horizontal rod (32), the inclined rod (34), the vertical rod (33) and the inclined end rod (35) are all formed by cutting square steels, and the inclined rod (34) is formed by cutting angle steels.

4. A projecting undulating cornice as claimed in claim 2 wherein: The two inclined rods (34) are arranged on the two sides of the vertical rod (33) and are arranged in an inverted eight-shaped manner, the left inclined rod (34) is supported between the vertical ribbon keel (2) and the lower short horizontal rod (32), and the right inclined rod (34) is supported between the lower short horizontal rod (32) and the upper long horizontal rod (31).

5. A cantilevered undulating cornice according to claim 1, wherein: The hanging piece is a short square steel vertically welded on the vertical ribbon keel (2), the adapter piece (4) comprises a buried piece and a buried rod fixed with the structural wall (1), the buried rod is provided with limiting angle steels (5), and the hanging piece is limited between the two limiting angle steels (5).

6. A projecting undulating cornice according to claim 1, wherein: The vertical ribbon keels (2) are connected through longitudinal rods (6).

7. A projecting undulating cornice as defined in claim 2, wherein: The upper long horizontal rod (31) is inclined downward at an angle of 0°-3°, and the inclined end rod (35) is inclined upward at an angle of 45°.

8. A cantilevered undulating barge as claimed in any one of claims 1 to 7, wherein: The aluminum plate is formed by connecting a plurality of aluminum plate units through U-shaped pieces (9) and screws.

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