High-rise building roof steel structure with limited operation space

Abstract

The utility model discloses a high-rise building roof steel structure with a limited operation space, which belongs to the field of building construction and comprises a roof floor, a protective structure, a first node, a second node, an oblique beam, a main keel, a secondary keel, an aluminum veneer, a U-shaped groove, a foam rod and weather-proof sealant. The protection structure is erected on the roof floor slab to provide safety protection for constructors, the first node and the second node are connected with the roof floor slab after the protection structure is erected, and the first node and the second node are connected with the roof floor slab more firmly through reinforcement treatment of the first node and the second node. Then, the oblique beams are erected and welded to the first joints and the second joints, the main keels, the auxiliary keels and the oblique beams are welded to serve as frameworks, and the outer sides of the frameworks are sealed through aluminum veneers; the defects that a high-rise building concrete pitched roof modeling structure is large in dead weight, many in cross operation, difficult in formwork erecting, limited in modeling, monotonous in facing, difficult in outer protection erecting and the like are overcome.

Description

Technical Field

[0001] The utility model relates to the field of building construction, in particular to a high-rise building roof steel structure with limited working space. Background Art

[0002] Steel structure itself has the advantages of light weight, strong plasticity, high assembly rate, fast construction speed and good structural stability. Therefore, it is more and more widely used in large public buildings, industrial buildings and high-rise buildings in my country. However, the combination of steel roof and concrete structure is very rare. In order to ensure the seismic resistance and safety of the structure, how to strengthen the connection node stiffness, finishing shape connection and other detailed node structures has become a construction difficulty.

[0003] In existing construction projects, some of the main structures of the construction buildings are reinforced concrete shear wall structures, the roof machine room and flower racks are sloping roofs, and the eaves and exterior facades are uniquely shaped. Ordinary concrete structures cannot meet the design requirements and visual effects. In addition, the roof shape is partially overhanging and the height is high, so the external protection of the main structure attached lifting scaffolding cannot meet the construction requirements. Summary of the invention

[0004] The utility model aims to solve the problems raised in the background technology and designs a high-rise building roof steel structure with limited working space.

[0005] The technical solution of the utility model to achieve the above purpose is:

[0006] A high-rise building roof steel structure with limited working space comprises a roof slab, a protective structure, a first node, a second node, an inclined beam, a main keel, a secondary keel, an aluminum veneer, a U-shaped groove, a foam rod, and a weather-resistant adhesive. The roof slab is fixedly connected to the protective structure, the roof slab is connected to the first node through chemical bolts, the roof slab is connected to the second node through chemical bolts, the first node is fixedly connected to the inclined beam, the second node is fixedly connected to the inclined beam, the inclined beam is fixedly connected to the main keel, the main keel is fixedly connected to the secondary keel, the secondary keel is connected to the aluminum veneer through an angle code, the aluminum veneer is connected to the U-shaped groove through bolts, the U-shaped groove is fixedly connected to the foam rod, and the U-shaped groove is fixedly connected to the weather-resistant adhesive.

[0007] Preferably, the protective structure includes concrete columns, I-beams, protective frames, and bamboo plywood. The concrete columns are fixedly connected to the roof slabs, the concrete columns are fixedly connected to the I-beams, the I-beams are fixedly connected to the roof slabs via tension bolts, the I-beams are fixedly connected to the protective frames, and the I-beams are fixedly connected to the bamboo plywood.

[0008] Preferably, the first node includes a foot plate and a steel column, the upper and lower sides of the roof slab are each fixedly connected to a foot plate, the foot plate on the upper side of the roof slab is fixedly connected to the steel column, and the two foot plates are connected by chemical bolts, and the second node includes a foot plate, a steel column, and a reinforced angle steel, the upper side of the roof slab is fixedly connected to the foot plate, the lower side of the roof slab is fixedly connected to the reinforced angle steel, the foot plate and the reinforced angle steel are connected by chemical bolts, and the foot plate is fixedly connected to the steel column.

[0009] Preferably, the main keel is provided with an angle fitting, and the angle fitting is connected to the main keel by bolts.

[0010] Preferably, the roof slab is provided with an embedded steel plate, the embedded steel plate is connected to the roof slab via chemical anchors, the embedded steel plate is fixedly connected to the main keel, the main keel is provided with a U-groove fitting, and the U-groove fitting is connected to the main keel via bolts.

[0011] The utility model provides a high-rise building roof steel structure with limited working space, which has the following beneficial effects:

[0012] Through its structural design, the device uses a protective structure to be erected on the roof slab to provide safety protection for construction workers. After the protective structure is erected, the first node is connected to the second node and the roof slab, and the connection between the first node and the second node and the roof slab is made stronger through reinforcement treatment of the first node and the second node. Then the inclined beam is erected and welded to the first node and the second node, and the main keel, the secondary keel and the inclined beam are welded to form a skeleton. The outer side of the skeleton is closed with aluminum veneer, which solves the shortcomings of the concrete slope roof modeling structure of high-rise buildings, such as heavy self-weight, frequent cross-operation, difficulty in formwork support, limited modeling, monotonous finishing, and difficulty in erecting external protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the steel structure of the roof of a high-rise building with limited working space described in the utility model;

[0014] Figure 2 It is a plan layout diagram of the first node and the second node of the utility model;

[0015] Figure 3 The utility model Figure 2 Side view of

[0016] Figure 4 It is a top view skeleton diagram of the exterior wall elevation of the utility model;

[0017] Figure 5 The utility model Figure 1 A schematic diagram of the structure at the cornice is shown;

[0018] Figure 6 It is a structural schematic diagram of the first node of the utility model;

[0019] Figure 7 It is a structural schematic diagram of the second node of the utility model;

[0020] Figure 8 It is a structural schematic diagram of the U-shaped groove of the utility model;

[0021] Fig. 9 It is a structural schematic diagram of the protective structure of the utility model.

[0022] In the figure, 1. roof slab; 2. protective structure; 3. first node; 4. second node; 5. inclined beam; 6. main keel; 7. secondary keel; 8. aluminum veneer; 9. U-shaped groove; 10. foam rod; 11. weather-resistant glue; 12. corner fittings; 13. embedded steel plate; 14. U-groove fittings; 201. concrete column; 202. I-beam; 203. protective frame; 204. bamboo plywood; 301. footboard; 302. steel column; 401. reinforced angle steel. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be noted that the terms "upper / lower end", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "setting / sleeving", "sleeve connection", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-9 , the utility model provides a technical solution:

[0027] A high-rise building roof steel structure with limited working space comprises a roof slab 1, a protective structure 2, a first node 3, a second node 4, an inclined beam 5, a main keel 6, a secondary keel 7, an aluminum single plate 8, a U-shaped groove 9, a foam rod 10, and a weather-resistant adhesive 11. The roof slab 1 is fixedly connected to the protective structure 2, the roof slab 1 is connected to the first node 3 by chemical bolts, the roof slab 1 is connected to the second node 4 by chemical bolts, the first node 3 is fixedly connected to the inclined beam 5, the second node 4 is fixedly connected to the inclined beam 5, the inclined beam 5 is fixedly connected to the main keel 6, the main keel 6 is fixedly connected to the secondary keel 7, the secondary keel 7 is connected to the aluminum single plate 8 by angle codes, the aluminum single plate 8 is connected to the U-shaped groove 9 by bolts, the U-shaped groove 9 is fixedly connected to the foam rod 10, and the U-shaped groove 9 is fixedly connected to the weather-resistant adhesive 11.

[0028] In the utility model, the protective structure 2 includes a concrete column 201, an I-beam 202, a protective frame 203, and a bamboo plywood 204. The concrete column 201 is fixedly connected to the roof slab 1, the concrete column 201 is fixedly connected to the I-beam 202, the I-beam 202 is fixedly connected to the roof slab 1 by tension bolts, the I-beam 202 is fixedly connected to the protective frame 203, and the I-beam 202 is fixedly connected to the bamboo plywood 204, so that the construction workers are protected by the protective structure 2.

[0029] In the utility model, the first node 3 includes a foot plate 301 and a steel column 302. The upper and lower sides of the roof slab 1 are fixedly connected to a foot plate 301 respectively. The foot plate 301 on the upper side of the roof slab 1 is fixedly connected to the steel column 302. The two foot plates 301 are connected by chemical bolts. The second node 4 includes the foot plate 301, the steel column 302, and the reinforced angle steel 401. The upper side of the roof slab 1 is fixedly connected to the foot plate 301, and the lower side of the roof slab 1 is fixedly connected to the reinforced angle steel 401. The foot plate 301 is connected to the reinforced angle steel 401 by chemical bolts, and the foot plate 301 is fixedly connected to the steel column 302. The reinforcement treatment of the first node 3 and the second node 4 makes the connection between the first node 3 and the second node 4 and the roof slab 1 more firmly.

[0030] In the present invention, a corner fitting 12 is provided on the main keel 6 , and the corner fitting 12 is connected to the main keel 6 by bolts, so that the connection strength between the main keels 6 of the facade is strengthened by the corner fitting 12 .

[0031] In the utility model, an embedded steel plate 13 is provided on the roof slab 1, and the embedded steel plate 13 is connected to the roof slab 1 through chemical anchors. The embedded steel plate 13 is fixedly connected to the main keel 6, and a U-groove fitting 14 is provided on the main keel 6. The U-groove fitting 14 is connected to the main keel 6 through bolts. The strength of the facade main keel 6 is strengthened by connecting the embedded steel plate 13 and the U-groove fitting 14.

[0032] In this embodiment: first, the protective structure 2 is set up on the roof slab 1 to provide safety protection for the construction workers. When setting up the protective structure 2, a concrete column is first poured in the middle position of the horizontal I-beams 202201 to prevent the I-beams 202 from being damaged by force on the parapet of the roof slab 1 and the parapet frame from becoming unstable. Then, the I-beams 202 are hoisted to the specified position by a tower crane, and the I-beams 202 are anchored and pulled together with the roof slab 1 by tension bolts. The longitudinal I-beams 202 are welded to the transverse I-beams 202, and the protective frames 203 and bamboo plywood 204 are overlapped on the longitudinal I-beams 202 to provide external frame protection. After the protective structure 2 is set up, the first node 3 is connected to the second node 4 and the roof slab 1. Node 3 is located in the central area of ​​the roof slab 1, and the second node 4 is located in the parapet area close to the roof slab 1. The first node 3 uses chemical anchors to penetrate the roof slab 1 to tie the upper and lower footboards 301 to reinforce the steel columns 302. The second node 4 uses chemical anchors to penetrate the upper footboard 301 and the lower reinforced angle steel 401 to reinforce the steel columns 302. The footboard 301 and the steel columns 302 are connected by hexagonal high-strength bolts. When connecting, the verticality and height of the steel columns 302 are adjusted. Then, the inclined beam 5 is welded to the first node 3 and the second node 4, and the main keel 6 is welded and fixed on the upper and lower sides of the inclined beam 5. The secondary keel 7 is welded between the main keels 6, and the axial distance between the main keel 6 and the secondary keel 7 is the same as the aluminum single plate 8. The special shape of the eaves is fixed with the secondary keel 7, the U-shaped groove 9 is fixed to the center line of the main keel 6 and the secondary keel 7, and the aluminum veneer 8 cover is closed. The aluminum veneer 8 at the eaves is fixed to the secondary keel 7 with an aluminum angle code. The joints where the U-shaped groove 9 is located are filled with a foam rod 10 and sealed with a weather-resistant glue 11. After the sealing and caulking is completed, the main keel 6 on the facade of the outer wall of the roof slab 1 is fixedly connected by a corner fitting 12 to strengthen the connection strength of the main keel 6 on the facade. At the connection between the main keel 6 and the roof slab 1, the embedded steel plate 13 is anchored with a chemical bolt on the outer wall of the roof slab 1, and the main keel 6 is welded on the outside. The main keel 6 on the facade is connected with other main keels 6 through a U-groove fitting 14 to strengthen the strength of the main keel 6 on the facade. Finally, the fluorocarbon paint is applied to the exterior wall components, and the protective structure 2 is removed to complete the roof steel structure.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-rise building roof steel structure with limited working space, characterized by: The invention comprises a roof slab (1), a protective structure (2), a first node (3), a second node (4), an inclined beam (5), a main keel (6), a secondary keel (7), an aluminum single plate (8), a U-shaped groove (9), a foam rod (10), and a weather-resistant adhesive (11), wherein the roof slab (1) is fixedly connected to the protective structure (2), the roof slab (1) is connected to the first node (3) by chemical bolts, the roof slab (1) is connected to the second node (4) by chemical bolts, and the first node (3) is connected to the second node (4) by chemical bolts. A node (3) is fixedly connected to the inclined beam (5), the second node (4) is fixedly connected to the inclined beam (5), the inclined beam (5) is fixedly connected to the main keel (6), the main keel (6) is fixedly connected to the secondary keel (7), the secondary keel (7) is connected to the aluminum veneer (8) via an angle code, the aluminum veneer (8) is connected to the U-shaped groove (9) via bolts, the U-shaped groove (9) is fixedly connected to the foam rod (10), and the U-shaped groove (9) is fixedly connected to the weather-resistant glue (11).

2. The high-rise building roof steel structure with limited working space according to claim 1 is characterized by: The protective structure (2) comprises a concrete column (201), an I-beam (202), a protective frame (203), and a bamboo plywood (204); the concrete column (201) is fixedly connected to the roof slab (1); the concrete column (201) is fixedly connected to the I-beam (202); the I-beam (202) is fixedly connected to the roof slab (1) via tension bolts; the I-beam (202) is fixedly connected to the protective frame (203); and the I-beam (202) is fixedly connected to the bamboo plywood (204).

3. The steel roof structure of a high-rise building with limited working space according to claim 1 is characterized by: The first node (3) comprises a foot plate (301) and a steel column (302); the upper and lower sides of the roof slab (1) are each fixedly connected to a foot plate (301); the foot plate (301) on the upper side of the roof slab (1) is fixedly connected to the steel column (302); the two foot plates (301) are connected via chemical bolts; the second node (4) comprises a foot plate (301), a steel column (302), and a reinforced angle steel (401); the upper side of the roof slab (1) is fixedly connected to the foot plate (301); the lower side of the roof slab (1) is fixedly connected to the reinforced angle steel (401); the foot plate (301) and the reinforced angle steel (401) are connected via chemical bolts; and the foot plate (301) is fixedly connected to the steel column (302).

4. The high-rise building roof steel structure with limited working space according to claim 1 is characterized by: The main keel (6) is provided with a corner fitting (12), and the corner fitting (12) is connected to the main keel (6) via bolts.

5. The high-rise building roof steel structure with limited working space according to claim 1 is characterized by: The roof slab (1) is provided with an embedded steel plate (13), the embedded steel plate (13) is connected to the roof slab (1) via chemical anchor bolts, the embedded steel plate (13) is fixedly connected to the main keel (6), the main keel (6) is provided with a U-groove fitting (14), and the U-groove fitting (14) is connected to the main keel (6) via bolts.

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