A vertical keel, a steering keel, a steel structure balcony and a building

Abstract

The present invention discloses a vertical keel, a steering keel, a steel structure balcony and a building. The vertical keel includes: a first keel main body; a first end plate formed by bending one end of the first keel main body, and the first end plate is provided with a first bolt hole for connecting with the top beam; a connecting part arranged at the other end of the first keel main body, and the connecting part is provided with a second bolt hole for connecting with the bottom beam; the connecting part is plate-shaped. Through standardized and generalized design, the balcony structure of the present invention enables mass production, and the produced balcony components can be taken to the site for assembly without pre-assembling the frame, which is convenient for carrying and transportation; all the connection structures of the balcony adopt detachable connections, avoiding traditional welding, with simple and convenient operation, improving the on-site construction efficiency; at the same time, it is simple and convenient to disassemble and replace during the subsequent maintenance of the balcony.

Description

Technical Field

[0001] The present invention relates to the technical field of building structures, and particularly to a vertical keel, a turning keel, a steel structure balcony and a building. Background Art

[0002] In recent years, driven by the policies and economic development of the "Green Building Action" and "Building Industrialization and Housing Industrialization", prefabricated buildings have now become a hot topic of domestic research and exploration. Prefabricated buildings are convenient for assembly and disassembly, and are also easy to move and transport, so they are widely used in many fields.

[0003] At present, most of the existing balcony structures are realized by prefabricating through PC structures or connecting traditional steel structures. However, the balconies obtained by traditional methods have low standardization, complex production processes, large on-site construction operation difficulties, inconvenient transportation of the prefabricated complete balcony structures, increased on-site operation volume of balcony installation, and reduced construction efficiency. Summary of the Invention

[0004] Embodiments of the present invention provide a vertical keel, a turning keel, a steel structure balcony and a building. The purpose is to obtain a balcony frame structure that can be mass-produced and is detachably connected to the top beam and bottom beam of the balcony through standardized and generalized design. This frame structure enables the balcony structure to achieve prefabricated connection while reducing the operation difficulty and improving the construction efficiency.

[0005] To solve the above technical problems, a first aspect of an embodiment of the present invention provides a vertical keel, including: a first keel main body; a first end plate formed by bending one end of the first keel main body, and the first end plate is provided with a first bolt hole for connecting with the top beam; a connecting portion provided at the other end of the first keel main body, and the connecting portion is provided with a second bolt hole for connecting with the bottom beam; the connecting portion is plate-shaped.

[0006] Further, the first keel main body includes a first support member and a first stabilizing member; one end of the first support member is connected to one end of the first stabilizing member, so that the first keel main body is in an L shape; the first stabilizing member is vertically connected to the connecting portion; the first support member is vertically connected to the first end plate.

[0007] Further, the first end plate, the first support member and the first stabilizing member are plate-shaped.

[0008] Further, the vertical keel further includes: at least one reinforcing plate for strengthening the connection between the first stabilizing member and the connecting portion; the reinforcing plate is perpendicular and cross-connected to the first stabilizing member; the reinforcing plate is connected to both the first stabilizing member and the connecting portion at the same time.

[0009] Further, the first end plate, the first support member and the first stabilizing member are integrally formed.

[0010] In the second aspect of the embodiments of the present invention, a steering keel is provided, comprising: a first keel main body; a first end plate formed by bending one end of the first keel main body, the first end plate being provided with a first bolt hole for connecting with the top beam; a connecting portion provided at the other end of the first keel main body, the connecting portion being provided with a second bolt hole for connecting with the bottom beam; the connecting portion being plate-shaped; a second keel main body, one end of which is fixedly connected to the first keel main body and the connecting portion at the same time; a second end plate formed by bending the other end of the second keel main body, the second end plate being provided with a third bolt hole for connecting with the top beam and having the same specification as the first bolt hole.

[0011] Further, the first keel main body comprises a first support member and a first stabilizing member; one end of the first support member is connected to one end of the first stabilizing member, such that the first keel main body is in an L shape; the second keel main body comprises a second support member and a second stabilizing member; one end of the second support member is connected to one end of the second stabilizing member, such that the second keel main body is in an L shape; the first stabilizing member and the second stabilizing member are perpendicular to each other and cross-connected; the connecting portion is perpendicularly connected to the first stabilizing member and the second stabilizing member at the same time; the first support member is perpendicularly connected to the first end plate; the second support member is perpendicularly connected to the second end plate.

[0012] Further, the first end plate, the second end plate, the first support member, the first stabilizing member, the second support member and the second stabilizing member are plate-shaped.

[0013] Further, the first end plate, the first support member and the first stabilizing member are integrally formed; the second end plate, the second support member and the second stabilizing member are integrally formed.

[0014] In the third aspect of the embodiments of the present invention, a steel structure balcony is provided, comprising: a plurality of the aforementioned vertical keels; a plurality of the aforementioned steering keels; a top beam provided with a first waist-shaped hole that matches the first bolt hole and the third bolt hole, such that the top beam is bolted to the vertical keel and the steering keel respectively; a bottom beam provided with a first installation hole that matches the second bolt hole, such that the bottom beam is bolted to the connecting portion.

[0015] Further, the top beam comprises a plurality of straight beam members and a plurality of corner members; one end of the straight beam member and one end of the corner member are respectively provided with a second installation hole; the other end of the straight beam member and the other end of the corner member are respectively provided with a third installation hole that matches the second installation hole; two adjacent straight beam members are bolted through the mutually matching second installation hole and third installation hole; the straight beam member is in a straight shape and is bolted to the first end plate through the first bolt hole and the first waist-shaped hole; the corner member is in an L shape and is bolted to the second end plate through the third bolt hole and the first waist-shaped hole.

[0016] Further, the straight beam member and the corner member respectively include a member body and a member connecting piece; one end of the member body and one end of the member connecting piece form a Z-shaped bent connection; the member body and the member connecting piece are integrally formed; the third mounting hole is provided on the member connecting piece, and the second mounting hole is provided at the other end of the member body away from the member connecting piece.

[0017] Further, a clamping plate is provided on one side of the member body; a second waist-shaped hole is provided on the surface of the member body on the other side away from the clamping plate.

[0018] Further, the steel structure balcony further includes: a limiting member; the limiting member is provided between two adjacent vertical keels, and both ends of the limiting member are fixedly connected to the connecting parts of the two adjacent vertical keels respectively; the limiting member is U-shaped, and a fourth mounting hole is provided on one of its flange edges.

[0019] Further, the steel structure balcony further includes: a balcony panel; a fixing member, which is Z-shaped, one side panel of which is fixedly connected to the flange of the bottom beam, and the other side panel is vertically connected to one end of the balcony panel to support the balcony panel; a clamping member, which is composed of two mutually perpendicular panels, one panel of which is bolted to the member body through the second waist-shaped hole, and the other panel of the clamping member and the clamping plate form a U-shaped slot, so that the top beam is inserted into the other end of the balcony panel; the limiting member and the balcony panel are fixedly connected through the fourth mounting hole.

[0020] Further, a fourth aspect of the embodiments of the present invention provides a building, including the aforementioned steel structure balcony.

[0021] The above technical solutions of the embodiments of the present invention have the following beneficial technical effects:

[0022] Through standardized and generalized design, the present invention obtains a balcony frame structure that can be detachably connected to the balcony top beam and bottom beam, enabling the balcony structure to achieve assembled connection; at the same time, this balcony frame structure is a standardized design, which can be mass-produced, and the produced balcony components can be assembled on-site without pre-assembling the frame, so it is convenient to carry and transport; all the connection structures of this balcony adopt detachable connections, avoiding the traditional welding method, with simple and convenient operation, and effectively improving the on-site construction efficiency. Description of the Drawings

[0023] Figure 1 is a schematic diagram of the vertical keel structure provided by the first aspect of the embodiments of the present invention;

[0024] Figure 2 is a schematic diagram of the steering keel structure provided by the second aspect of the embodiments of the present invention;

[0025] Figure 3 is a schematic diagram of the steel structure balcony provided by the third aspect of the embodiments of the present invention;

[0026] Figure 4 It is a schematic structural diagram of a corner member provided in the third aspect of the embodiment of the present invention;

[0027] Figure 5 It is a schematic structural diagram of the connection structure of a straight beam member provided in the third aspect of the embodiment of the present invention;

[0028] Figure 6 It is an exploded view of the connection structure of a straight beam member provided in the third aspect of the embodiment of the present invention;

[0029] Figure 7 It is a schematic structural diagram of the connection structure between a vertical keel and a bottom beam provided in the third aspect of the embodiment of the present invention;

[0030] Figure 8 It is a schematic structural diagram of the connection structure between a steering keel and a top beam and a bottom beam respectively provided in the third aspect of the embodiment of the present invention;

[0031] Figure 9 It is a schematic structural diagram of a limiting member provided in the third aspect of the embodiment of the present invention;

[0032] Figure 10 It is a schematic structural diagram of the connection structure of a limiting member provided in the third aspect of the embodiment of the present invention;

[0033] Figure 11 It is a schematic structural diagram of the connection structure of a balcony panel provided in the third aspect of the embodiment of the present invention.

[0034] Reference numerals:

[0035] 1 - Main keel; 1-1 - First support member; 1-2 - First stabilizing member; 1-3 - Reinforcing plate; 2 - First end plate; 2-1 - First bolt hole; 3 - Connection part; 3-1 - Second bolt hole; 4 - Second main keel; 4-1 - Second support member; 4-2 - Second stabilizing member; 5 - Second end plate; 5-1 - Third bolt hole; 6 - Top beam; 6-1 - First waist-shaped hole; 6-2 - Straight beam member; 6-21 - Member body; 6-22 - Member connecting piece; 6-23 - Clamping plate; 6-24 - Second waist-shaped hole; 6-3 - Corner member; 6-4 - Second mounting hole; 6-5 - Third mounting hole; 7 - Bottom beam; 7-1 - First mounting hole; 8 - Limiting member; 8-1 - Fourth mounting hole; 9 - Balcony panel; 10 - Fixing member; 11 - Clamping member. Detailed implementation manners

[0036] To make the objectives, technical solutions, and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below in conjunction with specific implementation manners and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present invention.

[0037] Figure 1 It is a schematic diagram of the vertical keel structure provided by the first aspect of the embodiment of the present invention.

[0038] Please refer to Figure 1 , the first aspect of the embodiment of the present invention provides a vertical keel, including: a first keel main body 1; a first end plate 2, formed by bending one end of the first keel main body 1, and the first end plate 2 is provided with a first bolt hole 2-1 for connecting with the top beam; a connecting portion 3, provided at the other end of the first keel main body 1, and the connecting portion 3 is provided with a second bolt hole 3-1 for connecting with the bottom beam; the connecting portion 3 is plate-shaped.

[0039] In this embodiment, the upper and lower ends of the vertical keel are connected to the bottom beam, ground beam, etc. by bolts, which is equivalent to the column of the low-rise structure and is the stress component of the entire connection structure. At the same time, the vertical keel can be mass-produced to reduce production costs.

[0040] In an exemplary embodiment, the first keel main body 1 includes a first support member 1-1 and a first stabilizing member 1-2; one end of the first support member 1-1 is connected to one end of the first stabilizing member 1-2, so that the first keel main body 1 is in an L shape; the first stabilizing member 1-2 is vertically connected to the connecting portion 3; the first support member 1-1 is vertically connected to the first end plate 2.

[0041] In this embodiment, the first support member 1-1 and the first stabilizing member 1-2 are perpendicular to each other in the same plane.

[0042] In this embodiment, the first keel main body 1 should jump out a certain distance compared to the bottom beam to meet the space requirements for the construction and installation of the balcony panel.

[0043] In an exemplary embodiment, the first end plate 2, the first support member 1-1 and the first stabilizing member 1-2 are plate-shaped.

[0044] In an exemplary embodiment, the first end plate 2, the first support member 1-1 and the first stabilizing member 1-2 are integrally formed and / or the connecting portion 3 is welded to the first stabilizing member 1-2.

[0045] In a specific embodiment, the vertical keel in the foregoing embodiment further includes: at least one reinforcing plate 1-3 for strengthening the connection between the first stabilizing member 1-2 and the connecting portion 3; the reinforcing plate 1-3 is perpendicular to and cross-connected with the first stabilizing member 1-2; the reinforcing plate 1-3 is connected to both the first stabilizing member 1-2 and the connecting portion 3 at the same time.

[0046] In this embodiment, the reinforcing plate 1-3 is perpendicularly cross-connected with the first stabilizing member 1-2 to form a cross shape or a grid shape, so that the connection between the vertical keel and the bottom beam is more stable.

[0047] In one embodiment, the connecting portion 3 is provided with a second bolt hole based on the cross-shaped space formed by the reinforcing plate 1-3 and the first stabilizing member 1-2.

[0048] Figure 2 It is a schematic diagram of the steering keel structure provided by the second aspect of the embodiment of the present invention.

[0049] Please refer to Figure 2 As shown in the figure, the second aspect of the embodiment of the present invention provides a steering keel, including: a first keel main body 1; a first end plate 2 formed by bending one end of the first keel main body 1, and the first end plate 2 is provided with a first bolt hole 2-1 for connecting with the top beam; a connecting portion 3 provided at the other end of the first keel main body 1, and the connecting portion 3 is provided with a second bolt hole 3-1 for connecting with the bottom beam; the connecting portion 3 is plate-shaped; a second keel main body 4, one end of which is fixedly connected to both the first keel main body 1 and the connecting portion 3 at the same time; a second end plate 5 formed by bending the other end of the second keel main body (4), and the second end plate 5 is provided with a third bolt hole 5-1 for connecting with the top beam and having the same specification as the first bolt hole 2-1. This steering keel can be used at the cross connection or the steering connection of the keel structure.

[0050] In one embodiment, the first keel main body 1 and the second keel main body 4 have the same shape, and the first end plate 2 and the second end plate 5 have the same shape, so as to achieve the purpose of standardization and generalization.

[0051] In one specific embodiment, the first keel main body 1 includes a first support member 1-1 and a first stabilizing member 1-2; one end of the first support member 1-1 is connected to one end of the first stabilizing member 1-2, so that the first keel main body 1 is in an L shape; the second keel main body 4 includes a second support member 4-1 and a second stabilizing member 4-2; one end of the second support member 4-1 is connected to one end of the second stabilizing member 4-2, so that the second keel main body 4 is in an L shape. In this embodiment, the first keel main body 1 and the second keel main body 4 should protrude a certain distance from the bottom beam to meet the space requirements for the construction and installation of the balcony panel.

[0052] In one embodiment, the first stabilizing member 1-2 and the second stabilizing member 4-2 are perpendicular to each other and cross-connected, so that the structure can achieve keel steering while meeting the stability requirements.

[0053] In one embodiment, the first stabilizing member 1-2 and the second stabilizing member 4-2 are perpendicular at any angle to meet the different requirements of different buildings.

[0054] In one embodiment, the first stabilizing member 1-2 and the second stabilizing member 4-2 are perpendicular at 90° to better meet the stability requirements.

[0055] In one embodiment, the connecting portion 3 is perpendicularly connected to both the first stabilizing member 1-2 and the second stabilizing member 4-2 simultaneously; the first supporting member 1-1 is perpendicularly connected to the first end plate 2; the second supporting member 4-1 is perpendicularly connected to the second end plate 5.

[0056] In a specific embodiment, the first supporting member 1-1 and the first stabilizing member 1-2 are perpendicular to each other in the same plane; the second supporting member 4-1 and the second stabilizing member 4-2 are perpendicular to each other in the same plane.

[0057] In a specific embodiment, the first end plate 2, the second end plate 5, the first supporting member 1-1, the first stabilizing member 1-2, the second supporting member 4-1, and the second stabilizing member 4-2 are plate-shaped.

[0058] Optionally, the first end plate 2, the second end plate 5, the first supporting member 1-1, the first stabilizing member 1-2, the second supporting member 4-1, and the second stabilizing member 4-2 are columnar.

[0059] In a specific embodiment, the first end plate 2, the first supporting member 1-1, and the first stabilizing member 1-2 are integrally formed or fixedly connected; the second end plate 5, the second supporting member 4-1, and the second stabilizing member 4-2 are integrally formed or fixedly connected.

[0060] Figure 3 It is a schematic diagram of a steel structure balcony provided in the third aspect of the embodiments of the present invention.

[0061] Please refer to Figure 3 , the third aspect of the embodiments of the present invention provides a steel structure balcony, including: a plurality of vertical keels in any of the embodiments; a plurality of steering keels in any of the embodiments; a top beam 6 provided with first waist-shaped holes 6-1 that cooperate with the first bolt holes 2-1 and the third bolt holes 5-1, so that the top beam 6 is bolted to the vertical keel and the steering keel respectively; a bottom beam 7 provided with first mounting holes 7-1 that cooperate with the second bolt holes 3-1, so that the bottom beam 7 is bolted to the connecting portion 3.

[0062] In one embodiment, the steel structure balcony is U-shaped, and the steering keel is only used at the two steering connection points of the balcony.

[0063] In one embodiment, the top beam 6 includes a plurality of straight beam members 6-2 and a plurality of corner members 6-3; the straight beam members 6-2 provide a fixed quantity and are fixed to the bottom beam so that a plurality of straight beam members are arranged equidistantly and parallelly.

[0064] In one embodiment, second mounting holes 6-4 are respectively provided at one end of the straight beam member 6-2 and one end of the corner member 6-3; third mounting holes 6-5 that cooperate with the second mounting holes 6-4 are respectively provided at the other end of the straight beam member 6-2 and the other end of the corner member 6-3; two adjacent straight beam members 6-2 are bolted together through the mutually cooperating second and third mounting holes, and the adjacent straight beam members 6-2 or corner members 6-3 are connected end to end to form a trough-shaped top beam.

[0065] In one embodiment, the straight beam member 6-2 is in a straight shape and is bolted to the first end plate 2 through the first bolt hole 2-1 and the first waist-shaped hole 6-1; the corner member 6-3 is in an L shape and is bolted to the second end plate 5 through the third bolt hole 5-1 and the first waist-shaped hole 6-1, so that the vertical keel and the steering keel are relatively parallel, and a trough-shaped balcony frame consistent with the shape of the top beam 6 is formed through the connection of the top beam 6.

[0066] In one embodiment, the straight beam member 6-2 and the corner member 6-3 have similar specifications and configurations, and only the straight beam member 6-2 is axially bent at a certain angle to form the corner member 6-3.

[0067] In one embodiment, when the top beam 6 is respectively connected to the first end plate 2 and the second end plate 5, the position of the connection between the first waist-shaped hole 6-1 and the bolt hole can be adjusted so that the structure can be applicable to balcony panels 9 with various different thickness requirements.

[0068] In one embodiment, the straight beam member 6-2 and the corner member 6-3 respectively include a member body 6-21 and a member connecting piece 6-22. The straight beam member 6-2 is connected to an adjacent straight beam member 6-2 or an adjacent corner member 6-3 through the member connecting piece 6-22, so that the adjacent top beam member bodies are connected end to end through the member connecting piece to form the top beam 6.

[0069] In one embodiment, one end of the member body 6-21 and one end of the member connecting piece 6-22 form a Z-shaped bent connection, and the member connecting piece 6-22 is bent towards the direction close to the vertical keel. This Z-shaped bend can make the connection of the top beam 6 smooth without protrusions.

[0070] In a specific embodiment, the member body 6-21 and the member connecting piece 6-22 are integrally formed; the third mounting hole 6-5 is provided on the member connecting piece 6-22, and the second mounting hole 6-4 is provided at the other end of the member body 6-21 away from the member connecting piece 6-22.

[0071] In this embodiment, the top beam 6 is incrementally connected with the standard size of the member body 6-21 to match the equidistant standard setting of the first mounting holes 7-1 on the bottom beam.

[0072] In one embodiment, the bottom beam 7 is of I-beam steel structure. At the corner of the balcony connection structure, the turning of the bottom beam is realized through an adapter, and the first mounting holes 7-1 are arranged on the flanges of the bottom beam.

[0073] In this embodiment, a clamping plate 6-23 is arranged on one side of the component body 6-21; a second waist-shaped hole 6-24 is arranged on the surface of the component body 6-21 on the other side far from the clamping plate 6-23.

[0074] As Figure 9 , Figure 10 As shown in the schematic diagram of the limiting member structure, the steel structure balcony of this embodiment further includes: a limiting member 8; the limiting member 8 is arranged between two adjacent vertical keels, and both ends of the limiting member 8 are fixedly connected to the connecting parts 3 of the two adjacent vertical keels respectively; the limiting member 8 is U-shaped, and a fourth mounting hole 8-1 is arranged on one of its flanges.

[0075] In this embodiment, the fourth mounting hole 8-1 is connected with the balcony panel 9 by through bolts to fix and connect this structure; both ends of the limiting member 8 are provided with mounting holes that cooperate with the second bolt holes 3-1 of the connecting part 3, so that the limiting member 8 is connected with two adjacent vertical keels through the connecting plate 3 and is connected with the bottom beam 7 at the same time. The limiting member 8 is used to position the balcony panel 9 and the concrete plugging at the edge to prevent leakage.

[0076] As Figure 11 As shown in the schematic diagram of the balcony panel connection structure, the steel structure balcony of this embodiment further includes: a balcony panel 9; a fixing member 10, which is Z-shaped, one side panel of which is fixedly connected to the flange of the bottom beam 9, and the other side panel is vertically connected to one end of the balcony panel 9 to support the balcony panel 9; a clamping member 11, which is composed of two mutually perpendicular panels, one panel of which is bolted to the component body 6-21 through the second waist-shaped hole 6-24, and the other panel of the clamping member 11 and the clamping plate 6-23 form a U-shaped slot, so that the top beam 6 is inserted into the other end of the balcony panel 9.

[0077] In one embodiment, the width of the U-shaped slot can be adjusted by adjusting the second waist-shaped hole 6-24 to be suitable for balcony panels 9 of different thicknesses.

[0078] The fourth aspect of the embodiment of the present invention provides a building, including the steel structure balcony described in any one of the foregoing embodiments.

[0079] For example, a residential building with a balcony and an industrial building with an extended space, etc.

[0080] In this embodiment, through standardized and generalized design, mass production of balcony structures is achieved. The produced balcony components can be assembled on-site without pre-assembling the frame. At the same time, all the connection structures of this balcony adopt detachable connections, avoiding the traditional welding method, which is simple and convenient to operate and effectively improves the on-site construction efficiency. Moreover, the standardized connection structures are convenient for disassembly and replacement during the subsequent maintenance of the balcony. This balcony structure largely meets the requirements of current prefabricated buildings for work efficiency and operation difficulty.

[0081] It should be understood that the above specific embodiments of the present invention are only used for illustrative explanation or interpretation of the principle of the present invention, and do not constitute a limitation to the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all variations and modifications that fall within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A vertical keel, characterized in that, The vertical keel and the steering keel are applied to a steel structure balcony. The vertical keel includes: a first keel main body (1); a first end plate (2) formed by bending one end of the first keel main body (1), and the first end plate (2) is provided with a first bolt hole (2-1) for connecting with the top beam; a connecting portion (3) arranged at the other end of the first keel main body (1), and the connecting portion (3) is provided with a second bolt hole (3-1) for connecting with the bottom beam; the connecting portion (3) is plate-shaped. The steering keel includes: a first keel main body (1); a first end plate (2) formed by bending one end of the first keel main body (1), and the first end plate (2) is provided with a first bolt hole (2-1) for connecting with the top beam; a connecting portion (3) arranged at the other end of the first keel main body (1), and the connecting portion (3) is provided with a second bolt hole (3-1) for connecting with the bottom beam; the connecting portion (3) is plate-shaped; a second keel main body (4), one end of which is fixedly connected to both the first keel main body (1) and the connecting portion (3); a second end plate (5) formed by bending the other end of the second keel main body (4), and the second end plate (5) is provided with a third bolt hole (5-1) for connecting with the top beam and having the same specification as the first bolt hole (2-1). The steel structure balcony includes: a plurality of the vertical keels; a plurality of the steering keels; a top beam (6) provided with a first waist-shaped hole (6-1) that matches the first bolt hole (2-1) and the third bolt hole (5-1), so that the top beam (6) is bolted to the vertical keel and the steering keel respectively; a bottom beam (7) provided with a first installation hole (7-1) that matches the second bolt hole (3-1), so that the bottom beam (7) is bolted to the connecting portion (3); The top beam (6) includes a plurality of straight beam members (6-2) and a plurality of corner members (6-3); One end of the straight beam member (6-2) and one end of the corner member (6-3) are respectively provided with a second installation hole (6-4); The other end of the straight beam member (6-2) and the other end of the corner member (6-3) are respectively provided with a third installation hole (6-5) that matches the second installation hole (6-4); Two adjacent straight beam members are bolted through the mutually matching second installation hole (6-4) and third installation hole (6-5); The straight beam member (6-2) is in a straight shape, and the first end plate (2) and the first end plate (2) are bolted to the corresponding straight beam member (6-2) through the first bolt hole (2-1) and the first waist-shaped hole (6-1); The corner member (6-3) is in an L shape and is bolted to the second end plate (5) through the third bolt hole (5-1) and the first waist-shaped hole (6-1); The steel structure balcony further includes a limiting member (8); The limiting member (8) is arranged between two adjacent vertical keels, and both ends of the limiting member (8) are fixedly connected to two adjacent connecting portions (3) respectively. The limiting member (8) is U-shaped, and a fourth mounting hole (8-1) is provided on one of its flange edges; The steel structure balcony further includes: A balcony panel (9); A fixing member (10), which is Z-shaped, one side panel of which is fixedly connected to the flange of the bottom beam (7), and the other side panel is vertically connected to one end of the balcony panel (9) to support the balcony panel (9); The corner member (6-3) includes a member body (6-21) and a member connecting piece (6-22); a clamping plate (6-23) is provided on one side of the member body (6-21); a second waist-shaped hole (6-24) is provided on the surface of the member body (6-21) on the other side away from the clamping plate (6-23); A clamping member (11), the clamping member (11) is composed of two mutually perpendicular panels, one panel of which is bolted to the member body (6-21) of the straight beam member (6-2) or the corner member (6-3) through the second waist-shaped hole (6-24), and the other panel of the clamping member (11) and the clamping plate (6-23) form a U-shaped slot, so that the top beam (6) is inserted into the other end of the balcony panel (9); The limiting member (8) is fixedly connected to the balcony panel (9) through the fourth mounting hole (8-1); the first main keel (1) and the second main keel (4) have the same shape, and the first end plate (2) and the second end plate (5) have the same shape; the first main keel (1) jumps out a certain distance compared to the bottom beam to meet the space requirements for the construction and installation of the balcony panel.

2. The vertical keel according to claim 1, wherein The first main keel (1) includes a first support member (1-1) and a first stabilizing member (1-2); One end of the first support member (1-1) is connected to one end of the first stabilizing member (1-2), so that the first main keel (1) is L-shaped; The first stabilizing member (1-2) is vertically connected to the connecting portion (3); The first support member (1-1) is vertically connected to the first end plate (2).

3. The vertical keel according to claim 2, wherein The first end plate (2), the first support member (1-1) and the first stabilizing member (1-2) are plate-shaped.

4. The vertical keel according to claim 3, characterized in that, It further includes: At least one reinforcing plate (1-3) for strengthening the connection between the first stabilizing member (1-2) and the connecting portion (3); The reinforcing plate (1-3) is perpendicular to and cross-connected with the first stabilizing member (1-2); The reinforcing plate (1-3) is connected to both the first stabilizing member (1-2) and the connecting portion (3) at the same time.

5. The vertical keel according to claim 4, wherein The first end plate (2), the first support member (1-1) and the first stabilizing member (1-2) are integrally formed.

6. A steering keel, characterized in that, The steering keel and the vertical keel according to any one of claims 1 to 5 are applied to a steel structure balcony, including: A first main keel (1); A first end plate (2), which is formed by bending one end of the first main keel (1), and the first end plate (2) is provided with a first bolt hole (2-1) for connecting to the top beam; The connecting part (3) is arranged at the other end of the first main keel (1), and a second bolt hole (3-1) for connecting with the bottom beam is arranged on the connecting part (3); The connecting part (3) is plate-shaped; The second main keel (4), one end of which is fixedly connected to both the first main keel (1) and the connecting part (3) at the same time; The second end plate (5) is formed by bending the other end of the second main keel (4), and the second end plate (5) is provided with a third bolt hole (5-1) for connecting with the top beam and having the same specification as the first bolt hole (2-1); wherein, The steel structure balcony includes: A plurality of the vertical keels; A plurality of the steering keels; The top beam (6) is provided with a first waist-shaped hole (6-1) that matches the first bolt hole (2-1) and the third bolt hole (5-1), so that the top beam (6) is bolted to the vertical keel and the steering keel respectively; The bottom beam (7) is provided with a first mounting hole (7-1) that matches the second bolt hole (3-1), so that the bottom beam (7) is bolted to the connecting part (3); The top beam (6) includes a plurality of straight beam members (6-2) and a plurality of corner members (6-3); One end of the straight beam member (6-2) and one end of the corner member (6-3) are respectively provided with a second mounting hole (6-4); The other end of the straight beam member (6-2) and the other end of the corner member (6-3) are respectively provided with a third mounting hole (6-5) that matches the second mounting hole (6-4); Two adjacent straight beam members are bolted through the mutually matching second mounting hole (6-4) and third mounting hole (6-5); The straight beam member (6-2) is in a straight shape, and the first end plate (2) and the first end plate (2) are both bolted to the corresponding straight beam member through the first bolt hole (2-1) and the first waist-shaped hole (6-1); The corner member (6-3) is in an L shape and is bolted to the second end plate (5) through the third bolt hole (5-1) and the first waist-shaped hole (6-1); The steel structure balcony further includes a limiting member (8); The limiting member (8) is arranged between two adjacent vertical keels, and both ends of the limiting member (8) are fixedly connected to two adjacent connecting parts (3) respectively; The limiting member (8) is in a U shape, and one side flange thereof is provided with a fourth mounting hole (8-1); The steel structure balcony further includes: The balcony panel (9); The fixing member (10) is in a Z shape, one side panel of which is fixedly connected to the flange of the bottom beam (7), and the other side panel is vertically connected to one end of the balcony panel (9) to support the balcony panel (9); The snap-in part (11), the snap-in part (11) is composed of two mutually perpendicular panels, one panel is bolted to the member body (6-21) of the straight beam member (6-2) or the corner member (6-3) through the second waist-shaped hole (6-24), and the other panel of the snap-in part (11) and the snap plate (6-23) form a U-shaped slot, so that the top beam (6) is inserted into the other end of the balcony panel (9); The limiting part (8) and the balcony panel (9) are fixedly connected through the fourth mounting hole (8-1); The first keel main body (1) jumps out a certain distance compared with the bottom beam to meet the space requirements for the construction and installation of the balcony panel.

7. The steering keel according to claim 6, characterized in that, The first keel main body (1) includes a first support member (1-1) and a first stabilizing member (1-2); One end of the first support member (1-1) is connected to one end of the first stabilizing member (1-2), so that the first keel main body (1) is in an L shape; The second keel main body (4) includes a second support member (4-1) and a second stabilizing member (4-2); One end of the second support member (4-1) is connected to one end of the second stabilizing member (4-2), so that the second keel main body (4) is in an L shape; The first stabilizing member (1-2) and the second stabilizing member (4-2) are perpendicular to each other and cross-connected; The connecting part (3) is perpendicularly connected to both the first stabilizing member (1-2) and the second stabilizing member (4-2) at the same time; The first support member (1-1) is perpendicularly connected to the first end plate (2); The second support member (4-1) is perpendicularly connected to the second end plate (5).

8. The steering keel according to claim 7, characterized in that, The first end plate (2), the second end plate (5), the first support member (1-1), the first stabilizing member (1-2), the second support member (4-1) and the second stabilizing member (4-2) are plate-shaped.

9. The steering keel according to claim 8, characterized in that, The first end plate (2), the first support member (1-1) and the first stabilizing member (1-2) are integrally formed; The second end plate (5), the second support member (4-1) and the second stabilizing member (4-2) are integrally formed.

10. A steel structure balcony, characterized in that, Comprising: A plurality of vertical keels as described in any one of claims 1-5; A plurality of steering keels as described in any one of claims 6-9; The top beam (6) is provided with a first waist-shaped hole (6-1) that matches the first bolt hole (2-1) and the third bolt hole (5-1), so that the top beam (6) is bolted to the vertical keel and the steering keel respectively; The bottom beam (7) is provided with a first mounting hole (7-1) that matches the second bolt hole (3-1), so that the bottom beam (7) is bolted to the connecting part (3); The top beam (6) includes a plurality of straight beam members (6-2) and a plurality of corner members (6-3); One end of the straight beam member (6-2) and one end of the corner member (6-3) are respectively provided with second mounting holes (6-4); The other end of the straight beam member (6-2) and the other end of the corner member (6-3) are respectively provided with third mounting holes (6-5) that cooperate with the second mounting holes (6-4); Two adjacent straight beam members are bolted together through the mutually cooperating second mounting holes (6-4) and third mounting holes (6-5); The straight beam member (6-2) is in a straight shape, and the first end plate (2) and the first end plate (2) are both bolted to the corresponding straight beam member through the first bolt holes (2-1) and the first waist-shaped holes (6-1); The corner member (6-3) is in an L shape and is bolted to the second end plate (5) through the third bolt holes (5-1) and the first waist-shaped holes (6-1); The steel structure balcony further includes a limiting member (8); The limiting member (8) is arranged between two adjacent vertical keels, and both ends of the limiting member (8) are respectively fixedly connected to two adjacent connecting parts (3); The limiting member (8) is in a U shape, and one side flange thereof is provided with a fourth mounting hole (8-1); The steel structure balcony further includes: A balcony panel (9); A fixing member (10), which is in a Z shape, one side panel of which is fixedly connected to the flange of the bottom beam (7), and the other side panel is vertically connected to one end of the balcony panel (9) to support the balcony panel (9); A clamping member (11), which is composed of two mutually perpendicular panels, one panel of which is bolted to the member body (6-21) of the straight beam member (6-2) or the corner member (6-3) through the second waist-shaped hole (6-24), and the other panel of the clamping member (11) and the clamping plate (6-23) form a U-shaped slot for inserting the top beam (6) into the other end of the balcony panel (9); The limiting member (8) is fixedly connected to the balcony panel (9) through the fourth mounting hole (8-1); The first keel main body (1) projects a certain distance from the bottom beam to meet the space requirement for the construction and installation of the balcony panel.

11. The steel structure balcony according to claim 10, wherein The straight beam member (6-2) includes the member body (6-21) and a member connecting piece (6-22); One end of the member body (6-21) and one end of the member connecting piece (6-22) form a Z-shaped bent connection; The member body (6-21) and the member connecting piece (6-22) are integrally formed; The third mounting hole (6-5) is arranged on the member connecting piece (6-22), and the second mounting hole (6-4) is arranged at the other end of the member body (6-21) away from the member connecting piece (6-22).

12. The steel structure balcony according to claim 10, wherein One end of the member body (6-21) of the corner member (6-3) and one end of the member connecting piece (6-22) of the corner member (6-3) form a Z-shaped bent connection; The component body (6-21) of the corner component (6-3) is integrally formed with the component connecting piece (6-22) of the corner component (6-3); The third mounting hole (6-5) is arranged on the component connecting piece (6-22) of the corner component (6-3), and the second mounting hole (6-4) is arranged at the other end of the component body (6-21) of the corner component (6-3) away from the component connecting piece (6-22) of the corner component (6-3).

13. A building, characterized in that, It includes the steel structure balcony according to any one of claims 10-12.

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