Fabricated concrete building cast-in-place connecting mechanism

Abstract

The utility model relates to the technical field of cast-in-place, in particular to an assembly type concrete building cast-in-place connecting mechanism which comprises a first steel column and a second steel column, a first limiting groove is formed in the side face of the first steel column, a first positioning groove is formed in the bottom of the first steel column, and a first connecting flange assembly is arranged at the bottom of the first steel column. A second limiting groove is formed in the outer portion of the second steel column, a second positioning groove is formed in the top of the second steel column, a second connecting flange assembly is arranged at the top of the second steel column, and a connecting piece assembly is arranged at the bottom of the first connecting flange body. The first steel column and the second steel column are stably connected, the strength of the connecting position of the first steel column and the second steel column is increased, the connecting position is reinforced and prevented from being bent by arranging the supporting block, the anti-seismic property of the pouring structural part can be effectively improved, and the pouring structural part has high bearing capacity.

Description

Technical Field

[0001] This utility model relates to the field of cast-in-place technology, and in particular to a cast-in-place connection mechanism for prefabricated concrete buildings. Background Technology

[0002] Cast-in-place concrete refers to concrete poured on-site using formwork. It generally refers to concrete mixed on-site, and most buildings are constructed using this method. A cast-in-place slab refers to concrete poured on-site after formwork is erected and reinforcing steel is installed, followed by formwork removal. Compared to precast slabs, cast-in-place slabs enhance the overall integrity and earthquake resistance of buildings, and have greater load-bearing capacity. They also offer advantages in terms of thermal insulation, sound insulation, and waterproofing.

[0003] The cast-in-place box girder formwork connection mechanism and the supporting formwork for cast-in-place box girders authorized by China with announcement number CN 207714148 U, through the above-designed cast-in-place box girder formwork connection mechanism, can connect the first and second formworks of different materials together through the first connector. The first connector is set as a strip and the surface of the first connector away from the first formwork is smooth, so that the outer surface of the cast-in-place box girder is smooth during the pouring process.

[0004] However, this patent has some shortcomings in its application. When pouring concrete, in order to strengthen the concrete structural components, steel column structures are installed in the casting mold before pouring. However, the length of the steel column structure is limited. When the length of the steel column is insufficient, two steel columns need to be connected together by a connecting structure. However, the existing connecting structure is generally a fixed structure. When the connection structure is damaged in a part, it cannot be maintained or replaced, resulting in poor practicality. In addition, the existing connecting structure has poor overall stability when connecting steel columns, which can easily cause structural instability and safety accidents. Utility Model Content

[0005] The purpose of this utility model is to provide a prefabricated concrete building cast-in-place connection mechanism to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A prefabricated concrete building cast-in-place connection mechanism includes a first steel column and a second steel column. The first steel column has a first limiting groove on its side and a first positioning groove at its bottom. A first connecting flange assembly is provided at the bottom of the first steel column. The first connecting flange assembly includes a first connecting flange body disposed outside the first steel column. A first extension is provided at the top of the first connecting flange body. A first welding groove is formed inside the first extension. The first welding groove is welded and fixed to the outside of the first steel column. The top of the first connecting flange body is fixedly connected to the outside of the first extension through a first reinforcing plate. A connecting bolt is provided through the top of the first connecting flange body.

[0008] As a preferred embodiment of this utility model, the second steel column is provided with a second limiting groove on its exterior, a second positioning groove on its top, and a second connecting flange assembly on its top. The second connecting flange assembly includes a second connecting flange body disposed on the exterior of the second steel column, and a second extension portion is provided at the bottom of the second connecting flange body.

[0009] As a preferred embodiment of this utility model, a second welding groove is provided inside the second extension, and the second welding groove and the second steel column are welded and fixed to the outside. The top of the second connecting flange body is fixedly connected to the outside of the second reinforcing plate and the second extension, and a connecting nut is provided through the top of the second connecting flange body.

[0010] As a preferred embodiment of this utility model, a connector assembly is provided at the bottom of the first connecting flange body. The connector assembly includes a connector body, extension blocks are provided on the sides of the connector body, and a through hole is provided at the top of the connector body.

[0011] As a preferred embodiment of this utility model, the top and bottom of the extension block are provided with third limiting grooves, and the sides of the two third limiting grooves are provided with support blocks.

[0012] As a preferred embodiment of this utility model, one end of the support block is inserted into the third limiting groove, and the other end of the support block is inserted into the first limiting groove and the second limiting groove respectively.

[0013] As a preferred embodiment of this utility model, the top and bottom of the connector body are respectively provided with a first positioning post and a second positioning post, the first positioning post and the first positioning groove are inserted into each other, and the second positioning post and the second positioning groove are inserted into each other.

[0014] As a preferred embodiment of this utility model, the tilt angle of the support block is set to 45 degrees, and the material of the support block is set to stainless steel.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. In this utility model, by setting a connecting component assembly, a first connecting flange assembly, and a second connecting flange assembly, a stable connection between the first steel column and the second steel column is achieved, increasing the strength at the connection point and reducing the possibility of structural instability due to poor overall stability. During use, the bottom of the first steel column and the first welding groove are welded together, making the first steel column and the first connecting flange body an integral structure. Simultaneously, a first limiting groove is welded to the outside of the first steel column. The top of the second steel column and the second welding groove are welded together in the same manner, and a second limiting groove is welded to the outside of the second steel column. After the operation is completed, corresponding to the first positioning column and the second positioning column, the bottom of the first connecting flange body and the top of the second connecting flange body are respectively attached to the top and bottom of the connecting component body and fixed by connecting bolts and connecting nuts, thereby achieving a stable connection between the first steel column and the second steel column.

[0017] 2. In this utility model, by setting support blocks, the connection is reinforced to prevent bending at the connection, which can effectively improve the seismic performance of the cast-in-place structure and give it a strong load-bearing capacity. Before assembling the connection structure, the support blocks and the third limiting groove are first inserted. Then, during the process of fitting the bottom of the first connecting flange body and the top of the connector body together, the support blocks are gradually inserted into the first limiting groove. Then, the remaining support blocks are installed in the same way, so that a stable triangular structure is formed between the first steel column, the connector body and the support blocks, which further fixes the connection and allows the cast-in-place structure to better resist external forces, while also increasing the service life of the building. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0019] Figure 2 This is an exploded view of the present invention.

[0020] Figure 3 This is a schematic diagram of the connection part of this utility model;

[0021] Figure 4 This is a schematic cross-sectional view of the present invention.

[0022] In the diagram: 1. First steel column; 2. First limiting groove; 3. Second steel column; 4. Second limiting groove; 5. Support block; 6. Connecting component assembly; 7. First connecting flange assembly; 8. Second connecting flange assembly; 601. Connecting component body; 602. Extension block; 603. Third limiting groove; 604. Through hole; 605. First positioning post; 606. Second positioning post; 701. First connecting flange body; 702. First extension; 703. First reinforcing plate; 704. First welding groove; 705. Connecting bolt; 801. Second connecting flange body; 802. Second extension; 803. Second reinforcing plate; 804. Second welding groove; 805. Connecting nut. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] For examples, please refer to Figure 1-4 This utility model provides a technical solution:

[0025] A prefabricated concrete building cast-in-place connection mechanism includes a first steel column 1 and a second steel column 3. The first steel column 1 has a first limiting groove 2 on its side, a first positioning groove at its bottom, and a first connecting flange assembly 7 at its bottom. The second steel column 3 has a second limiting groove 4 on its exterior, a second positioning groove at its top, and a second connecting flange assembly 8 at its top. A connecting component assembly 6 is located at the bottom of the first connecting flange body 701. The support block 5 has an inclination angle of 45 degrees and is made of stainless steel.

[0026] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown, the first connecting flange assembly 7 includes a first connecting flange body 701 disposed outside the first steel column 1. The top of the first connecting flange body 701 is provided with a first extension 702. The interior of the first extension 702 is provided with a first welding groove 704. The first welding groove 704 is welded and fixed to the exterior of the first steel column 1. The top of the first connecting flange body 701 is fixedly connected to the exterior of the first extension 702 through a first reinforcing plate 703. A connecting bolt 705 is provided through the top of the first connecting flange body 701. The second connecting flange assembly 8 includes a second connecting flange body 801 disposed outside the second steel column 3. The bottom of the second connecting flange body 801 is provided with a second extension 802. The interior of the second extension 802 is provided with a second welding groove 804. The second welding groove 804 is welded and fixed to the exterior of the second steel column 3. The top of the second connecting flange body 801 is fixedly connected to the exterior of the second reinforcing plate 803 and the second extension 802 through the top of the second connecting flange body 801. A connecting nut 805 is provided through the top of the second connecting flange body 801.

[0027] By setting up the connecting component assembly 6, the first connecting flange assembly 7, and the second connecting flange assembly 8, a stable connection between the first steel column 1 and the second steel column 3 is achieved, increasing the strength at the connection between the first steel column 1 and the second steel column 3, thereby reducing the possibility of structural instability due to poor overall stability. In use, the bottom of the first steel column 1 and the first welding groove 704 are welded together, making the first steel column 1 and the first connecting flange body 701 an integral structure. At the same time, the first limiting groove 2 is welded to the outside of the first steel column 1. The top of the second steel column 3 and the second welding groove 804 are welded together in the same way, and the second limiting groove 4 is welded to the outside of the second steel column 3. After the operation is completed, the bottom of the first connecting flange body 701 and the top of the second connecting flange body 801 are respectively attached to the top and bottom of the connecting component body 601, corresponding to the first positioning post 605 and the second positioning post 606, and fixed by the threaded connection of the connecting bolt 705 and the connecting nut 805, thereby achieving a stable connection between the first steel column 1 and the second steel column 3.

[0028] In this embodiment, as Figure 2 , Figure 3 and Figure 4As shown, the connector assembly 6 includes a connector body 601. Extension blocks 602 are respectively provided on the sides of the connector body 601. A through hole 604 is provided through the top of the connector body 601. The top and bottom of the extension blocks 602 are provided with third limiting grooves 603. Support blocks 5 are provided on the sides of the two third limiting grooves 603. One end of the support block 5 is inserted into the third limiting groove 603, and the other end of the support block 5 is inserted into the first limiting groove 2 and the second limiting groove 4 respectively. The top and bottom of the connector body 601 are respectively provided with a first positioning post 605 and a second positioning post 606. The first positioning post 605 is inserted into the first positioning groove, and the second positioning post 606 is inserted into the second positioning groove.

[0029] By setting support blocks 5, the connection is reinforced to prevent bending and effectively improve the seismic performance of the cast-in-place structure, giving it a strong load-bearing capacity. Before assembling the connection structure, the support blocks 5 and the third limiting groove 603 are first inserted. Then, as the bottom of the first connecting flange body 701 and the top of the connector body 601 are attached, the support blocks 5 are gradually inserted into the first limiting groove 2. The remaining support blocks 5 are then installed in the same way, so that a stable triangular structure is formed between the first steel column 1, the connector body 601 and the support blocks 5, further fixing the connection and enabling the cast-in-place structure to better resist external forces, while also increasing the service life of the building.

[0030] The working process of this utility model is as follows: When using the prefabricated concrete building cast-in-place connection mechanism designed in this scheme, the bottom of the first steel column 1 and the first welding groove 704 are welded together, making the first steel column 1 and the first connecting flange body 701 an integral structure. Simultaneously, a first limiting groove 2 is welded to the outside of the first steel column 1. The top of the second steel column 3 and the second welding groove 804 are welded together in the same manner, and a second limiting groove 4 is welded to the outside of the second steel column 3. After the operation is completed, the first connecting flange body 701 is connected to the first positioning post 605 and the second positioning post 606 respectively. The bottom and the top of the second connecting flange body 801 are respectively attached to the top and bottom of the connecting body 601 and fixed by the threaded connection of the connecting bolts 705 and the connecting nuts 805. Before assembling the connecting structure, the support block 5 and the third limiting groove 603 are first inserted. Then, during the process of attaching the bottom of the first connecting flange body 701 and the top of the connecting body 601, the support block 5 is gradually inserted into the first limiting groove 2. Then, the remaining support blocks 5 are installed in the same way, so that a stable triangular structure is formed between the first steel column 1, the connecting body 601 and the support block 5.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cast-in-situ connecting mechanism of fabricated concrete building, comprising a first steel column (1) and a second steel column (3), characterized in that: The side of the first steel column (1) is provided with a first limiting groove (2), the bottom of the first steel column (1) is provided with a first positioning groove, the bottom of the first steel column (1) is provided with a first connecting flange assembly (7), the first connecting flange assembly (7) comprises a first connecting flange body (701) arranged outside the first steel column (1), the top of the first connecting flange body (701) is provided with a first extension (702), the inside of the first extension (702) is provided with a first welding groove (704), the first welding groove (704) and the outside of the first steel column (1) are welded and fixed, the top of the first connecting flange body (701) is fixedly connected with the outside of the first extension (702) through a first reinforcing plate (703), and the top of the first connecting flange body (701) penetrates a connecting bolt (705).

2. The cast-in-situ connecting mechanism of fabricated concrete building according to claim 1, characterized in that: The outside of the second steel column (3) is provided with a second limiting groove (4), the top of the second steel column (3) is provided with a second positioning groove, the top of the second steel column (3) is provided with a second connecting flange assembly (8), the second connecting flange assembly (8) comprises a second connecting flange body (801) arranged outside the second steel column (3), and the bottom of the second connecting flange body (801) is provided with a second extension (802).

3. The cast-in-situ connecting mechanism of the fabricated concrete building according to claim 2, characterized in that: The inside of the second extension (802) is provided with a second welding groove (804), the second welding groove (804) and the outside of the second steel column (3) are welded and fixed, the top of the second connecting flange body (801) is fixedly connected with the outside of the second extension (802) through a second reinforcing plate (803), and the top of the second connecting flange body (801) penetrates a connecting nut (805).

4. The prefabricated concrete building cast-in-place connecting mechanism according to claim 3, characterized in that: The bottom of the first connecting flange body (701) is provided with a connecting piece assembly (6), the connecting piece assembly (6) comprises a connecting piece body (601), the side of the connecting piece body (601) is respectively provided with an extension block (602), and the top of the connecting piece body (601) penetrates a through hole (604).

5. The precast concrete building cast-in-place connecting mechanism according to claim 4, characterized in that: The top and bottom of the extension block (602) are provided with third limiting grooves (603), and the sides of the two third limiting grooves (603) are provided with supporting blocks (5).

6. The precast concrete building cast-in-place connecting mechanism according to claim 5, characterized in that: One end of the supporting block (5) is inserted into the third limiting groove (603), and the other end of the supporting block (5) is inserted into the first limiting groove (2) and the second limiting groove (4) respectively.

7. The prefabricated concrete building cast-in-place connecting mechanism according to claim 4, characterized in that: The top and bottom of the connecting piece body (601) are respectively provided with a first positioning column (605) and a second positioning column (606), the first positioning column (605) is inserted into the first positioning groove, and the second positioning column (606) is inserted into the second positioning groove.

8. The prefabricated concrete building cast-in-place connecting mechanism according to claim 5, characterized in that: The inclination angle of the supporting block (5) is 45 degrees, and the material of the supporting block (5) is stainless steel.

Images