Connecting structure of prefabricated outer wall and steel structure integrated frame

Abstract

The utility model relates to the technical field of constructional engineering, in particular to a connecting structure of a prefabricated outer wall and a steel structure integrated frame, which comprises two groups of steel structure stand columns, a plurality of groups of steel structure cross beams fixedly connected between the two groups of steel structure stand columns, and a prefabricated wall plate arranged between the upper and lower groups of steel structure cross beams. A connecting mechanism is arranged on the surface of the prefabricated wallboard and comprises a first connecting lead screw, a second connecting lead screw, a supporting vertical rod, a first fixing lead screw, a connecting corner brace and a second fixing lead screw. The supporting vertical rods improve the stability and structural strength of the prefabricated wall panel, the middle position of the steel structure cross beam is supported, the supporting capacity of the steel structure cross beam is improved, then the steel structure cross beam is used for supporting the lower end of the prefabricated wall panel, the load force of the connecting mechanism is reduced, and the use durability of the connecting mechanism is improved; therefore, the use stability of the prefabricated wallboard is effectively improved, and the use safety of a building is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a connecting structure between a precast exterior wall and an integrated steel structure frame. Background Technique

[0002] At present, precast exterior walls are often used for non-load-bearing exterior walls, which can shorten the construction period, improve work efficiency and reduce costs. In prefabricated buildings, after the precast exterior wall panels are produced in the project, they are transported to the construction site for assembly. Among them, in small buildings or factory buildings, in order to improve the construction efficiency, steel structures are usually used to lap the main building frame, and then precast wall panels are installed between the steel structures as partitions.

[0003] The connection between the precast exterior wall and the steel structure frame is a key link in prefabricated buildings. At present, common connection methods include the external hanging type and the side connection type, but these methods have certain defects. For example, the external hanging type may cause the overall shedding of the wall panel, while the side connection type may increase the structural stiffness, resulting in serious cracking of the wall panel. The connection stability between the wall panel and the steel structure is poor, and the use safety is low.

[0004] Therefore, it is necessary to invent a connecting structure between a precast exterior wall and an integrated steel structure frame to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a connecting structure between a precast exterior wall and an integrated steel structure frame to solve the problems of poor connection stability and low use safety between the wall panel and the steel structure in the technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A connecting structure between a precast exterior wall and an integrated steel structure frame, including steel structure columns, and a plurality of groups of steel structure cross beams are fixedly connected between the two groups of steel structure columns. A plurality of groups of first insertion grooves are formed on the surface of the steel structure columns, and a plurality of groups of second insertion grooves are formed on the surface of the steel structure cross beams. A precast wall panel is arranged between the upper and lower two groups of steel structure cross beams. A connecting mechanism is arranged on the surface of the precast wall panel. The connecting mechanism includes a first connecting screw rod, a second connecting screw rod, a supporting vertical rod, a first fixing screw rod, a connecting angle code and a second fixing screw rod. The upper and lower ends of the supporting vertical rod are fixedly connected to the upper and lower two groups of steel structure cross beams, and the connecting angle codes on the left and right sides are fixedly connected to the steel structure columns on the left and right sides.

[0007] By adopting the above technical solution, a steel structure column and a steel structure cross beam form a steel structure framework. The rigid beam and the steel column are fixed by welding. Meanwhile, during the production process, multiple groups of first connecting screw rods and second connecting screw rods are pre-embedded at the left and right sides and the middle position of the precast wall panel. The left and right sides of the precast wall panel are fixedly connected to the steel structure column through the cooperation of a connecting angle code and a second fixing screw rod. The upper and lower sides of the precast wall panel are connected to the steel structure cross beam through the cooperation of a supporting vertical rod and a first fixing screw rod. Meanwhile, the supporting vertical rod penetrates through the front and rear side surfaces of the precast wall panel up and down to support the precast wall panel, improving the connection stability between the precast wall panel and the steel structure framework.

[0008] Optionally, two groups of vertical positioning grooves are opened on the front and rear side surfaces of the precast wall panel. A plurality of first connection holes are opened on the inner wall of the positioning groove, and the first connecting screw rod is inserted into the first connection hole.

[0009] Optionally, the supporting vertical rod is stuck inside the positioning groove. A plurality of first insertion holes are opened on the surface of the supporting vertical rod. The front and rear ends of the first connecting screw rod respectively penetrate through the first insertion holes on the front and rear sides. Nuts are threadedly connected to the front and rear ends of the first connecting screw rod.

[0010] By adopting the above technical solution, the supporting vertical rod is stuck inside the positioning groove, and the first insertion hole is sleeved outside the first connecting screw rod. The supporting vertical rod is locked and fixed on the front and rear side surfaces of the precast wall panel through the nut.

[0011] Optionally, second insertion holes are opened at the upper and lower ends of the supporting vertical rod. The first fixing screw rod is inserted into the second insertion hole. A first steel structure gasket and a first rubber gasket are sleeved on the surface of the first fixing screw rod outside the supporting vertical rod. One end of the first fixing screw rod outside the supporting vertical rod penetrates through the second insertion groove and is threadedly connected to a nut.

[0012] By adopting the above technical solution, the first fixing screw rod penetrates through the second insertion hole, and the first steel structure gasket and the first rubber gasket are sequentially sleeved on the surface of the first fixing screw rod. Then the first fixing screw rod penetrates through the second insertion groove and the supporting vertical rod is locked and fixed to the steel structure cross beam by using the nut.

[0013] Optionally, positioning grooves are opened at the left and right ends of the front and rear side surfaces of the precast wall panel. Second connection holes are opened on the inner wall between the front and rear two groups of positioning grooves, and the second connecting screw rod is inserted into the second connection hole.

[0014] Optionally, the connecting angle code is L-shaped, the connecting angle code is stuck inside the positioning groove, the surface of the connecting angle code is respectively provided with a first fixing hole and a second fixing hole, the inner side of the connecting angle code is fixedly connected with a side support plate, and the front and rear ends of the second connecting screw rod respectively penetrate through the first fixing holes on the surfaces of the front and rear groups of connecting angle codes. Nuts are threadedly connected to both the front and rear ends of the second connecting screw rod.

[0015] By adopting the above technical solution, the connecting angle code is stuck inside the positioning groove, the second connecting screw rod penetrates through the first fixing hole, and then the connecting angle code is connected and fixed to the precast wall panel by using the nut threadedly connected to the second connecting screw rod.

[0016] Optionally, the second fixing screw rod is arranged inside the second fixing hole. A second steel structure gasket and a second rubber gasket are sleeved on the surface of the second fixing screw rod located outside the connecting angle code. One end of the second fixing screw rod located outside the connecting angle code penetrates through the first insertion groove and is threadedly connected with a nut.

[0017] By adopting the above technical solution, during the installation of the precast wall panel, the second fixing screw rod penetrates through the second fixing hole, the second steel structure gasket and the second rubber gasket are sequentially sleeved on the outside of the second fixing screw rod, then the second fixing screw rod penetrates through the first insertion groove, and the nut is threadedly connected to the second fixing screw rod, so as to fix the left and right sides of the precast wall panel to the steel structure column.

[0018] Optionally, the gap between the precast wall panel and the steel structure cross beam is filled with a first sealant, and the gap between the precast wall panel and the steel structure column is filled with a second sealant.

[0019] By adopting the above technical solution, the sealant is a silicone structural sealant, which fills the gap between the precast wall panel and the steel structure frame, improves the sealing performance of the connection between the precast wall panel and the steel structure frame. At the same time, the silicone structural sealant has a certain elasticity, enabling the precast wall panel to expand or contract within a certain range without reducing the sealing performance.

[0020] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0021] 1. The present utility model improves the stability and structural strength of the precast wall panel through the support vertical rod, supports the middle position of the steel structure cross beam, improves the support capacity of the steel structure cross beam, and then uses the steel structure cross beam to support the lower end of the precast wall panel, reduces the load force of the connection mechanism, improves the durability of the connection mechanism, and effectively improves the stability of the precast wall panel in use, increases the safety of building use, and solves the problems of poor connection stability between the wall panel and the steel structure and low use safety.

[0022] 2. The utility model pre-buries multiple groups of first connecting screw rods and second connecting screw rods on the left and right sides and the middle position of the precast wall panel, and fixedly connects the left and right sides of the precast wall panel with the steel structure column through the cooperation of the connecting angle code and the second fixing screw rod, and connects the upper and lower sides of the precast wall panel with the steel structure cross beam through the cooperation of the supporting vertical rod and the first fixing screw rod, so as to improve the installation speed of the precast wall panel and the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of the whole utility model;

[0024] Figure 2 is a schematic structural diagram of the steel structure frame of the utility model;

[0025] Figure 3 is a schematic structural diagram of the precast wall panel of the utility model;

[0026] Figure 4 is a schematic structural diagram of the upper side connecting mechanism of the utility model;

[0027] Figure 5 is a schematic structural diagram of the right side connecting mechanism of the utility model;

[0028] Figure 6 is a schematic structural diagram of the positioning groove of the utility model;

[0029] Figure 7 is a schematic structural diagram of the positioning slot of the utility model.

[0030] DESCRIPTION OF THE REFERENCE NUMERALS:

[0031] 1. Steel structure column; 11. Steel structure cross beam; 12. First insertion slot; 13. Second insertion slot; 2. Precast wall panel; 21. First sealant; 22. Second sealant; 23. Positioning groove; 24. First connection hole; 25. First connecting screw rod; 26. Positioning slot; 27. Second connection hole; 28. Second connecting screw rod; 3. Supporting vertical rod; 31. First insertion hole; 32. Second insertion hole; 33. First steel structure gasket; 34. First rubber gasket; 35. First fixing screw rod; 4. Connecting angle code; 41. First fixing hole; 42. Side support plate; 43. Second fixing hole; 44. Second steel structure gasket; 45. Second rubber gasket; 46. Second fixing screw rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] In order to enable those skilled in the art to better understand the technical solution of the utility model, the following will further introduce the utility model in detail with reference to the drawings.

[0033] The utility model provides as Figures 1 to 5A connection structure for the integration of a precast exterior wall and a steel structure frame is shown, including a steel structure column 1. A plurality of steel structure crossbeams 11 are fixedly connected between two groups of steel structure columns 1. A plurality of first insertion grooves 12 are formed on the surface of the steel structure column 1, and a plurality of second insertion grooves 13 are formed on the surface of the steel structure crossbeam 11. A precast wall panel 2 is arranged between the upper and lower two groups of steel structure crossbeams 11. A connection mechanism is arranged on the surface of the precast wall panel 2. The connection mechanism includes a first connection screw rod 25, a second connection screw rod 28, a support vertical rod 3, a first fixing screw rod 35, a connection angle code 4 and a second fixing screw rod 46. The upper and lower ends of the support vertical rod 3 are fixedly connected to the upper and lower two groups of steel structure crossbeams 11. The connection angle codes 4 on the left and right sides are fixedly connected to the left and right two groups of steel structure columns 1. A first sealant 21 is filled in the gap between the precast wall panel 2 and the steel structure crossbeam 11, and a second sealant 22 is filled in the gap between the precast wall panel 2 and the steel structure column 1. Two vertical positioning grooves 23 are formed on the front and back surfaces of the precast wall panel 2, and positioning grooves 26 are formed at the left and right ends of the front and back surfaces of the precast wall panel 2.

[0034] Among them, during the production of the precast wall panel 2, positioning grooves 23 are reserved at the middle positions of the front and back surfaces thereof, and the first connection screw rod 25 is embedded inside the positioning grooves 23. At the same time, positioning grooves 26 are reserved at the left and right ends of the front and back surfaces thereof, and the second connection screw rod 28 is embedded inside the positioning grooves 26. At the same time, first insertion grooves 12 and second insertion grooves 13 are respectively formed on the surfaces of the steel structure column 1 and the steel structure crossbeam 11. During the installation process, first, the connection angle code 4 is locked and fixed to the left and right two groups of steel structure columns 1 by using the second fixing screw rod 46, and then the precast wall panel 2 is quickly locked and fixed. Then, the support vertical rod 3 is fixed to the upper and lower two groups of steel structure crossbeams 11 by using the first fixing screw rod 35. The support vertical rod 3 is a U-shaped steel, which supports the middle position of the precast wall panel 2, improves the structural strength of the precast wall panel 2, and further improves the stability of the precast wall panel 2. At the same time, a plurality of support vertical rods 3 cooperate to perform secondary reinforcement and support on the middle position of the steel structure crossbeam 11, improve the stability of the steel structure crossbeam 11, and use the lower steel structure crossbeam 11 to support the lower end of the precast wall panel 2, reduce the load on the connectors of the precast wall panel 2, improve the durability of the connectors, increase the stability and safety of the connection mechanism, and fill the first sealant 21 and the second sealant 22 in the gap between the precast wall panel 2 and the steel structure frame, thereby effectively sealing the precast wall panel 2.

[0035] Refer to Figure 1 、 Figure 4 and Figure 6, a plurality of groups of first connection holes 24 are formed in the inner wall of the positioning groove 23. The first connection screw rod 25 is inserted into the first connection hole 24. The support vertical rod 3 is stuck in the positioning groove 23. A plurality of groups of first insertion holes 31 are formed in the surface of the support vertical rod 3. The front and rear ends of the first connection screw rod 25 respectively penetrate through the first insertion holes 31 on the front and rear sides. Nuts are screwed on the front and rear ends of the first connection screw rod 25. Second insertion holes 32 are formed in the upper and lower ends of the support vertical rod 3. The first fixing screw rod 35 is inserted into the second insertion hole 32. A first steel structure gasket 33 and a first rubber gasket 34 are sleeved on the surface of the first fixing screw rod 35 outside the support vertical rod 3. One end of the first fixing screw rod 35 outside the support vertical rod 3 penetrates through the second insertion groove 13 and is screwed with a nut.

[0036] Specifically, the support vertical rod 3 is stuck in the positioning groove 23, and the first insertion hole 31 is sleeved outside the first connection screw rod 25. The support vertical rod 3 is locked and fixed on the front and rear side surfaces of the precast wall panel 2 through nuts. The first fixing screw rod 35 penetrates through the second insertion hole 32, and the first steel structure gasket 33 and the first rubber gasket 34 are sequentially sleeved on the surface of the first fixing screw rod 35. Then the first fixing screw rod 35 penetrates through the second insertion groove 13 and the support vertical rod 3 is locked and fixed with the steel structure cross beam 11 by using a nut.

[0037] Refer to Figure 1 , Figure 5 and Figure 7 , a second connection hole 27 is formed in the inner wall between the front and rear two groups of positioning grooves 26. The second connection screw rod 28 is inserted into the second connection hole 27. The connecting angle code 4 is L-shaped. The connecting angle code 4 is stuck in the positioning groove 26. A first fixing hole 41 and a second fixing hole 43 are respectively formed in the surface of the connecting angle code 4. A side support plate 42 is fixedly connected to the inner side of the connecting angle code 4. The front and rear ends of the second connection screw rod 28 respectively penetrate through the first fixing holes 41 on the surfaces of the front and rear two groups of connecting angle codes 4. Nuts are screwed on the front and rear ends of the second connection screw rod 28. The second fixing screw rod 46 is arranged in the second fixing hole 43. A second steel structure gasket 44 and a second rubber gasket 45 are sleeved on the surface of the second fixing screw rod 46 outside the connecting angle code 4. One end of the second fixing screw rod 46 outside the connecting angle code 4 penetrates through the first insertion groove 12 and is screwed with a nut.

[0038] In addition, the connecting angle code 4 is clamped inside the positioning groove 26, and the second connecting screw rod 28 penetrates through the first fixing hole 41. Then, a nut is threadedly connected to the second connecting screw rod 28 to connect and fix the connecting angle code 4 to the precast wall panel 2. During the installation of the precast wall panel 2, the second fixing screw rod 46 penetrates through the second fixing hole 43, and the second steel structure gasket 44 and the second rubber gasket 45 are sleeved on the outer side of the second fixing screw rod 46 in sequence. Then, the second fixing screw rod 46 penetrates through the first insertion groove 12, and a nut is threadedly connected to the second fixing screw rod 46 to fix the left and right sides of the precast wall panel 2 to the steel structure column 1.

[0039] The working principle of the present utility model: The precast wall panel 2 is pre-fixed to the supporting vertical rod 3 and the connecting angle code 4. Then, the precast wall panel 2 is erected on the upper side of the steel structure cross beam 11. Then, the supporting vertical rod 3 is fixed to the upper and lower two groups of steel structure cross beams 11 through the first fixing screw rod 35, and the connecting angle code 4 is fixed to the left and right steel structure columns 1 through the second fixing screw rod 46, so as to fix the precast wall panel 2. During use, the supporting vertical rod 3 improves the structural strength of the precast wall panel 2, and at the same time supports the front and rear sides of the precast wall panel 2 to improve the stability of the precast wall panel 2. Moreover, multiple groups of supporting vertical rods 3 on the upper and lower sides cooperate to support the middle position of the steel structure cross beam 11 to improve the supporting capacity of the steel structure cross beam 11. Then, the steel structure cross beam 11 is used to support the lower end of the precast wall panel 2 to reduce the load force of the connecting mechanism and improve the durability of the connecting mechanism in use, thereby effectively improving the stability of the precast wall panel 2 in use and increasing the safety of building use.

[0040] The above shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A connection structure of a prefabricated exterior wall and an integrated steel structure frame, comprising a steel structure column (1), characterized in that: A plurality of groups of steel structure beams (11) are fixedly connected between the two groups of steel structure columns (1), a plurality of groups of first plug-in slots (12) are provided on the surface of the steel structure columns (1), a plurality of groups of second plug-in slots (13) are provided on the surface of the steel structure beams (11), a prefabricated wall panel (2) is arranged between the upper and lower groups of steel structure beams (11), a connection mechanism is arranged on the surface of the prefabricated wall panel (2), the connection mechanism comprises a first connection screw rod (25), a second connection screw rod (28), a support vertical rod (3), a first fixed screw rod (35), a connection angle code (4) and a second fixed screw rod (46), the upper and lower ends of the support vertical rod (3) are fixedly connected to the upper and lower groups of steel structure beams (11), and the connection angle codes (4) on the left and right sides are fixedly connected to the left and right groups of steel structure columns (1).

2. The connection structure of the prefabricated exterior wall and the steel structure integrated frame according to claim 1 is characterized by: Two groups of vertical positioning grooves (23) are provided on the front and rear side surfaces of the prefabricated wall panel (2), and the inner walls of the positioning grooves (23) are provided with a plurality of groups of first connection holes (24), and the first connection screw rods (25) are inserted into the inside of the first connection holes (24).

3. The connection structure of the prefabricated exterior wall and the steel structure integrated frame according to claim 2 is characterized in that: The support vertical rod (3) is clamped inside the positioning groove (23), and a plurality of first plug holes (31) are provided on the surface of the support vertical rod (3). The front and rear ends of the first connecting screw rod (25) respectively penetrate the first plug holes (31) on the front and rear sides, and the front and rear ends of the first connecting screw rod (25) are both threadedly connected with nuts.

4. The connection structure of the prefabricated exterior wall and the steel structure integrated frame according to claim 3 is characterized by: The upper and lower ends of the support vertical rod (3) are both provided with second plugging holes (32), the first fixing screw rod (35) is plugged into the inside of the second plugging hole (32), the surface of the first fixing screw rod (35) located outside the support vertical rod (3) is sleeved with a first steel structure gasket (33) and a first rubber gasket (34), and one end of the first fixing screw rod (35) located outside the support vertical rod (3) passes through the second plugging groove (13) and is threadedly connected with a nut.

5. The connection structure of the prefabricated exterior wall and the steel structure integrated frame according to claim 1 is characterized in that: Positioning grooves (26) are provided at both left and right ends of the front and rear surfaces of the prefabricated wall panel (2), a second connecting hole (27) is provided on the inner wall between the two groups of the front and rear positioning grooves (26), and the second connecting screw rod (28) is inserted into the inside of the second connecting hole (27).

6. The connection structure of the prefabricated exterior wall and the steel structure integrated frame according to claim 5, characterized in that: The connecting angle bracket (4) is L-shaped and is clamped inside the positioning groove (26). The surface of the connecting angle bracket (4) is respectively provided with a first fixing hole (41) and a second fixing hole (43). The inner side of the connecting angle bracket (4) is fixedly connected to a side support plate (42). The front and rear ends of the second connecting screw rod (28) respectively penetrate the first fixing holes (41) on the surfaces of the front and rear two groups of connecting angle brackets (4), and the front and rear ends of the second connecting screw rod (28) are both threadedly connected to nuts.

7. The connection structure of the prefabricated exterior wall and the steel structure integrated frame according to claim 6, characterized in that: The second fixing screw (46) is arranged inside the second fixing hole (43); a second steel structure gasket (44) and a second rubber gasket (45) are sleeved on the surface of the second fixing screw (46) located outside the connecting angle bracket (4); one end of the second fixing screw (46) located outside the connecting angle bracket (4) passes through the first insertion slot (12) and is threadedly connected with a nut.

8. The connection structure of a prefabricated exterior wall and an integrated steel structure frame according to claim 1, characterized in that: The gap between the prefabricated wall panel (2) and the steel structure cross beam (11) is filled with a first sealant (21), and the gap between the prefabricated wall panel (2) and the steel structure column (1) is filled with a second sealant (22).

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