Concrete prefabricated column

Abstract

The invention belongs to the technical field of fabricated buildings, and discloses a concrete prefabricated column which comprises a plurality of column bodies placed up and down, mounting grooves are formed in the column bodies, reinforcing assemblies are mounted in the mounting grooves, connecting rods are mounted in the mounting grooves, and connecting assemblies are mounted at the ends of the connecting rods correspondingly. And the upper and lower adjacent column bodies are connected through a connecting block. By arranging the connecting block, the connecting block is composed of two trapezoidal blocks, the two column bodies are connected and installed in the vertical direction, then concrete is poured into the linear feeding opening, the concrete flows to the vertical penetrating opening and the limiting groove, and the two column bodies and the connecting block are connected through the concrete in a pouring mode; according to the limiting device, the two column bodies are connected in a limiting mode, so that the two column bodies are connected more stably, the two column bodies are connected and installed conveniently, and the device is more flexible in the using process.

Description

Technical Field

[0001] The invention belongs to the technical field of assembled buildings and discloses a prefabricated concrete column. Background Art

[0002] Precast concrete columns are concrete column structures that are prefabricated and cured in factories or construction sites. This type of column is widely used in various construction projects to provide structural support and stability. The basic idea of ​​precast concrete column design is to reasonably split the cast-in-place concrete structure, prefabricate components in the factory, and assemble on site. The splitting is conducive to factory prefabrication and on-site assembly, and the assembled structure must meet the safety and functionality requirements of the structure.

[0003] For example, a Chinese utility model patent with announcement number CN221778666U discloses a beam-column node connection assembly structure, which comprises a prefabricated lower column, a prefabricated upper column and a prefabricated beam, wherein the ends of the prefabricated lower column and the prefabricated upper column are pre-embedded with connecting flange seats, and shear-resistant steel is fixed in the connecting flange seats. An upper bearing plate and a lower bearing plate are arranged between the prefabricated lower column and the prefabricated upper column, and a plurality of high-strength double-ended full-thread screws are arranged between the sides of the upper bearing plate and the lower bearing plate, and both ends of the high-strength double-ended full-thread screws respectively pass through the upper bearing plate and the lower bearing plate and are fixed to the connecting flange seats by nuts. The node processing is simple, and no large amount of scaffolding and diagonal braces are required for support during assembly, thereby saving labor costs and shortening the construction period.

[0004] However, the device is connected and installed through a connecting flange seat. During use, the prefabricated lower column and the prefabricated lower column need to be connected and installed by bolts. The installation process is difficult and the stability after installation is not high.

[0005] In summary, there is a need for a prefabricated concrete column that can facilitate the installation of upper and lower columns. Summary of the invention

[0006] The invention aims to provide a prefabricated concrete column.

[0007] The technical solution adopted by the present invention to solve the above problem is: a prefabricated concrete column, comprising: A plurality of columns are placed up and down, each column has an installation groove inside, a reinforcement component is installed inside the installation groove, a connecting rod is installed inside the installation groove, and connecting components are installed at the ends of the connecting rod respectively, and the upper and lower adjacent columns are connected by a connecting block; The top and bottom of the column are provided with slots, and the connecting blocks are slidably arranged inside the slots; The widths of the upper and lower ends of the connecting block are wider; A vertical through hole is provided inside the connection block, a linear feed port is provided on the surface of the connection block, the linear feed port is communicated with the vertical through hole, a limiting groove is provided inside the card slot, and the vertical through hole is communicated with the limiting groove.

[0008] Among them, the column is the main load-bearing component of the precast concrete column, and the column can be a rectangular parallelepiped or other prism shape. This depends on the requirements of the architectural design and the application scenario. According to the needs of the project, the height, width and thickness of the column can vary. It is usually necessary to design according to the load requirements of the building structure. The column is mainly made of concrete, which has high compressive strength and durability. Steel bars or other reinforcing materials may be included in the concrete to enhance the tensile strength and toughness of the column. An installation groove is opened inside to accommodate and fix other structural components, mainly reinforcing components, and the groove is located in the central part of the column. Card slots are provided at the top and bottom of the unit formed by each column for connecting adjacent columns. The card slot allows the connection block to slide and fix, ensuring a stable connection between multiple columns, and is more convenient than bolt fixing. The concrete surface of the column can be treated to ensure good structural performance and aesthetics, and the surface of the column can also be coated to improve its weather resistance and corrosion resistance.

[0009] The connection block is usually a block-shaped component with a narrow middle part and wider upper and lower ends. This shape design helps to achieve a stable embedding and connection in the slot. The increased width can enhance the stability of the connection block in the slot and prevent vertical displacement. A vertical channel is opened inside the connection block. The hole is used to pour concrete after installation to improve the stability of the connection. The vertical hole runs through the entire height of the connection block so that the poured concrete can flow into the limit groove at the corresponding position of the column. The design of the linear feed port and the vertical hole facilitates the rapid pouring and fixing of concrete, simplifying the construction process of fixing the connection block. The increased width of the upper and lower ends of the connection block provides stronger shear resistance to adapt to the lateral forces that the building may withstand. During installation, the connection block can slide in the slot, allowing a certain adjustment range to ensure the precise positioning and alignment of the column.

[0010] A further preferred technical solution is that the reinforcement assembly includes vertical steel bars installed at intervals inside the installation groove, and U-shaped steel bars are installed at intervals on the surface of the vertical steel bars. The top and bottom of the U-shaped steel bars are fixedly connected with cross reinforcement steel bars at intervals, and the cross reinforcement steel bars are fixedly connected to the inner wall of the installation groove.

[0011] Among them, vertical steel bars are commonly used strengthening components in concrete structures, mainly used to enhance the tensile and compressive capacities of the structure. Vertical steel bars can be made of high-strength low-alloy steel to provide excellent tensile strength and ductility. To improve durability, vertical steel bars can be galvanized or undergo other anti-rust treatments to resist corrosion in the environment. Vertical steel bars can have a circular cross-section, and this shape helps to evenly distribute stress in the concrete. The common diameter range of vertical steel bars is from 6 mm to 40 mm, and the specific diameter is selected according to the design load and code requirements. The surface of vertical steel bars can be threaded, which helps to enhance the adhesion between the steel bars and the concrete and improve the integrity of the structure. In parts with lower shear force requirements, smooth steel bars can also be used for vertical steel bars. Vertical steel bars mainly bear the compressive and tensile forces in the vertical direction and enhance the load-bearing capacity of concrete columns. In a frame structure, vertical steel bars provide the necessary support to ensure the vertical stability of the building. By increasing the tensile strength of the concrete, vertical steel bars effectively prevent cracks and damage in the concrete under load.

[0012] Closed-loop steel bars generally refer to the structure in a reinforced concrete structure where the steel bars are bent into a shape similar to the Chinese character '回' (hui). This shape can be similar to a closed loop or a rectangle and is arranged around the main vertical steel bars. The closed-loop steel bars are similar to an inverted or square loop, and this shape enables them to surround or wrap around the outside of the vertical steel bars. The size and spacing of the closed-loop steel bars are adjusted according to the design and load requirements to ensure sufficient strength and stability. The diameter of their circular cross-section is usually smaller than that of the main steel bars to enable flexible bending and installation. The closed-loop steel bars can be made of the same material as the vertical steel bars to ensure consistency in mechanical properties. The closed-loop steel bars mainly provide additional shear strength, especially when the column bears lateral loads, enhancing the overall shear resistance of the structure. The closed-loop steel bars also play a role in supporting other structural steel bars, making other steel bars such as cross-strengthening steel bars more firmly fixed in the designed position and improving the rigidity and stability of the entire steel bar mesh. Using closed-loop steel bars in precast components can improve construction efficiency because they can be quickly embedded and fixed in the mold, ensuring correct and integrated steel bar configuration.

[0013] Cross-strengthening steel bars are a type of steel bar component used to enhance the stability of the structure. Cross-strengthening steel bars can be formed by crossing two steel bars to form a cross shape, or by bending a single steel bar to form a cross shape. Each end of the cross-strengthening steel bars is usually fixed to the closed-loop steel bars by welding or tying. Cross-strengthening steel bars are made of high-strength steel to ensure that they do not yield or break when bearing loads. The surface of cross-strengthening steel bars usually undergoes anti-rust treatment to prevent corrosion due to environmental influences. Cross-strengthening steel bars disperse the load to a wider area, reducing the concentration of single-point stress, thereby improving the anti-destruction ability of the overall structure.

[0014] A further preferred technical solution is that the connecting assembly includes a cross beam, a support block is installed at the bottom of the cross beam, the surface of the support block is installed on one side of the column, the top and bottom of the cross beam are both arranged through the interior of the mounting groove, and two mounting plates are fixedly connected on both sides of the inner wall of the mounting groove, and the surfaces of the two mounting plates are respectively installed on the top and bottom of the inner wall of the cross beam.

[0015] A further preferred technical solution is that a long rod is installed inside the mounting groove, the end of the long rod is connected to the side of the support block through a connecting bolt, the bottom of the long rod is fixedly connected to a fixing rod at intervals, and the bottom of the fixing rod is fixedly connected to the bottom of the inner wall of the mounting groove.

[0016] A further preferred technical solution is that the bottom of the crossbeam and the top of the support block are connected by a limiting bolt.

[0017] A further preferred technical solution is that: an inclined plate is fixedly connected to the connecting rod, and one side of the inclined plate is connected to the inner wall of the mounting groove by means of mounting bolts.

[0018] A further preferred technical solution is that: a mounting hole is provided on the crossbeam, a threaded opening is provided inside the mounting plate, a bolt is installed inside the threaded opening, and the bolt is threadedly connected to the threaded opening.

[0019] A further preferred technical solution is that the connection block is composed of two symmetrically arranged trapezoidal blocks, wherein the wider side of the trapezoidal block constitutes the two ends of the connection block, and the slot is configured as a double trapezoidal slot for installing the connection block.

[0020] The design of the trapezoidal block allows the wider side of the connection block to be in close contact with the double trapezoidal grooves of the slot after it is inserted into the slot. This structure provides a self-locking effect, preventing the connection block from sliding out when subjected to up and down forces. In addition, the trapezoidal block can be quickly installed and removed, simplifying the complexity of on-site operations. In addition, when subjected to load or temperature changes, the trapezoidal structure allows the connection block to have a certain amount of micro-motion space, which can absorb and adjust slight displacements and deformations, thereby protecting the column and the overall structure.

[0021] A further preferred technical solution is that the support block comprises a triangular plate, to which an L-shaped plate is fixedly connected, and surfaces of the L-shaped plate are respectively mounted on the bottom of the beam and the surface of the column.

[0022] A further preferred technical solution is that the crossbeam includes two long plates, the two long plates are connected by a fixing plate, one side of the fixing plate abuts against the surface of the column, and the long plate passes through the column and is arranged inside the mounting groove.

[0023] In summary, the present invention has the following benefits: 1. The present invention arranges a connecting block to abut and install the two columns, and then inserts the connecting block into the interior of the slot. Since the slot is in the shape of an isosceles trapezoid, the connecting block is composed of two trapezoidal blocks, so that the two columns are connected and installed in the upper and lower directions, and then concrete is poured into the linear feed port, so that the concrete flows to the vertical through-hole and the limiting groove, and the two columns and the connecting block are poured and connected by concrete, so that the limiting connection between the two columns is completed, the connection between the two columns is more stable, the connection and installation of the two columns are convenient, and the device is more flexible during use.

[0024] 2. The present invention sets a reinforcement component, and the interior of the column is connected and supported by vertical steel bars. Under the action of the circular steel bars, the vertical steel bars are more stable during pouring, and under the action of the cross reinforcement steel bars, the circular steel bars are more stable, so that the device is more stable during concrete pouring. At the same time, two beams and the mounting plate are installed inside the mounting groove. During pouring, the beams are poured and connected together with concrete, so that the beams are more stable during work. The two support blocks are connected and limitedly installed with the column through long rods. After the concrete is poured, the support blocks are installed on the side of the column. The support blocks and the beams are connected by limiting bolts, so that the support blocks connect and support the beams, thereby improving the bearing capacity of the beams and making the device more stable when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the column, connecting rod and vertical steel bars of the present invention; Figure 3 It is a schematic diagram of the structure of the crossbeam, support block and long rod of the present invention; Figure 4 It is a schematic diagram of the structure of the column and the connecting block of the present invention.

[0026] In the attached drawings, the components represented by the various numbers are as follows: 1. Column; 2. Connecting rod; 3. Connecting block; 4. Vertical steel bar; 5. Curved steel bar; 6. Cross reinforcing steel bar; 7. Cross beam; 8. Support block; 9. Mounting plate; 10. Long rod. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0028] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0029] Example: Please combine Figure 1-Figure 4 A precast concrete column of this embodiment includes two columns 1. The top and bottom of the column 1 are evenly spaced with card slots. The connecting block 3 is slidably arranged inside the card slot to facilitate the connection between the two columns 1. The column 1 is provided with a mounting slot. A reinforcing component is installed inside the mounting slot. Two connecting rods 2 are installed inside the mounting slot. The front and back sides of the connecting rod 2 are fixedly connected with two symmetrically arranged inclined plates. One side of the inclined plate is connected to the inner wall of the mounting slot by an installing bolt, which ensures the fixed connection of the connecting rod 2 and improves the stability of the connecting rod 2. Connecting components are installed at both ends of the connecting rod 2, and the two columns 1 are connected by a connecting block 3. Two vertical through-holes are opened inside the connecting block 3, and a linear feed port is opened on the surface of the connecting block 3. The linear feed port is connected with the two vertical through-holes. Two limiting grooves are opened inside the slot, and the through-holes are connected with the limiting grooves, which is convenient for adding concrete into the vertical through-holes and the limiting grooves through the linear feed port. The connecting block 3 is composed of two symmetrically arranged trapezoidal blocks, and the slot is a trapezoidal slot adapted to the connecting block 3, which is convenient for connecting the two columns 1 in the vertical direction.

[0030] The reinforcement assembly is used to support the column 1, and the reinforcement assembly includes vertical steel bars 4 installed at equal intervals inside the installation groove, and the surface of the vertical steel bars 4 is evenly installed with circular steel bars 5. The top and bottom of the circular steel bars 5 are evenly fixedly connected with cross reinforcement steel bars 6, the top of the top cross reinforcement steel bar 6 is fixedly connected to the top of the inner wall of the installation groove, and the bottom of the bottom cross reinforcement steel bar 6 is fixedly connected to the bottom of the inner wall of the installation groove.

[0031] The connecting assembly includes a cross beam 7, and the cross beam 7 includes two long plates. The two long plates are connected by a fixing plate. One side of the fixing plate abuts against the surface of the column 1. The long plate passes through the column 1 and is arranged inside the mounting groove, so that one side of the cross beam 7 is conveniently arranged inside the column 1, so that the cross beam 7 and the column 1 can be directly connected and installed when the column 1 is cast. A supporting block 8 is installed at the bottom of the cross beam 7. The supporting block 8 includes two triangular plates. An L-shaped plate is fixedly connected between the two triangular plates. The surfaces of the L-shaped plate are respectively installed on the bottom of the cross beam 7 and the surface of the column 1, so as to facilitate the support of the cross beam 7. A long rod 10 is installed inside the mounting groove. Both ends of the long rod 10 are connected to the outer side of the supporting block 8 by connecting bolts. The bottom of the long rod 10 is fixedly connected with fixing rods at equal intervals, and the bottom of the fixing rod is fixedly connected to the bottom of the inner wall of the mounting groove. It is used to install and connect the two support blocks 8 with the column 1, and at the same time fix and limit the long rod 10 to ensure the stability of the installation of the support block 8. The surface of the support block 8 is installed on one side of the column 1, and the bottom of the beam 7 is connected to the top of the support block 8 by a limiting bolt, which is used to connect the beam 7 and the support block 8. The top and bottom of the beam 7 are both set through the inside of the installation groove, and two mounting plates 9 are fixedly connected on both sides of the inner wall of the installation groove. Two mounting holes are provided at the top and bottom of the beam 7, and two threaded openings are provided inside the mounting plate 9. Bolts are installed inside the threaded openings. The bolts are threadedly connected to the inside of the mounting openings to connect the beam 7 and the mounting plate 9, ensuring the stability of the installation of the beam 7. The surfaces of the two mounting plates 9 are respectively installed on the top and bottom of the inner wall of the beam 7.

[0032] The implementation principle of a precast concrete column in the embodiment of the present application is as follows: two columns 1 are installed in abutment with each other, and then a connecting block 3 is inserted into the interior of the slot. Since the slot is an isosceles trapezoidal shape, the connecting block 3 is composed of two trapezoidal blocks, so that the two columns 1 are connected and installed in the upper and lower directions, and then concrete is poured into the linear feed port so that the concrete flows to the vertical through-hole and the limit groove. The two columns 1 and the connecting block 3 are connected by pouring concrete, so that the limit connection between the two columns 1 is completed, so that the connection between the two columns 1 is more stable, which facilitates the connection and installation of the two columns 1 and makes the device more flexible during use.

[0033] The interior of the column 1 is connected and supported by the vertical steel bars 4. Under the action of the circular steel bars 5, the vertical steel bars 4 are more stable during pouring. Under the action of the cross reinforcing steel bars 6, the circular steel bars 5 are more stable, so that the device is more stable when pouring concrete. At the same time, two cross beams 7 and the mounting plate 9 are installed inside the mounting groove. During pouring, the cross beams 7 are poured and connected by concrete together, so that the cross beams 7 are more stable during work. Two support blocks 8 are connected and limitedly installed with the column 1 through long rods 10. After the concrete is poured, the support blocks 8 are installed on the side of the column 1. The support blocks 8 and the cross beams 7 are connected by limiting bolts, so that the support blocks 8 connect and support the cross beams 7, thereby improving the bearing capacity of the cross beams 7 and making the device more stable when in use.

[0034] In addition, the same or similar element symbols are used to refer to the same or similar parts or steps in the drawings and descriptions as much as possible. The drawings are presented in simplified form and are not drawn to exact scale. For convenience and clarity only, directional terms such as top, bottom, left, right, upward, above, above, below, below, behind, and in front may be used with respect to the drawings. These and similar directional terms should not be construed as limiting the scope of the present disclosure in any way.

Claims

1. A precast concrete column, characterized in that: It comprises a plurality of columns (1) placed one above the other, each column (1) having an installation groove formed therein, a reinforcement component installed in the installation groove, a connecting rod (2) installed in the installation groove, connecting components installed at the ends of the connecting rod (2), and the upper and lower adjacent columns (1) being connected via a connecting block (3); The top and bottom of the column (1) are provided with slots, and the connecting block (3) is slidably arranged inside the slots; The widths of the upper and lower ends of the connecting block (3) are wider; A vertical through-hole is provided inside the connection block (3), a linear feed port is provided on the surface of the connection block (3), the linear feed port is communicated with the vertical through-hole, a limiting groove is provided inside the clamping slot, and the vertical through-hole is communicated with the limiting groove.

2. A precast concrete column according to claim 1, characterized in that: The reinforcement assembly comprises vertical steel bars (4) installed at intervals inside the installation groove, circular steel bars (5) are installed at intervals on the surface of the vertical steel bars (4), cross reinforcement steel bars (6) are fixedly connected to the top and bottom of the circular steel bars (5), and the cross reinforcement steel bars (6) are fixedly connected to the inner wall of the installation groove.

3. The precast concrete column according to claim 1, characterized in that: The connection assembly comprises a crossbeam (7), a support block (8) is installed at the bottom of the crossbeam (7), the surface of the support block (8) is installed on one side of the column (1), the top and bottom of the crossbeam (7) are both arranged to penetrate the interior of the installation groove, two installation plates (9) are fixedly connected to both sides of the inner wall of the installation groove, and the surfaces of the two installation plates (9) are respectively installed on the top and bottom of the inner wall of the crossbeam (7).

4. A precast concrete column according to claim 3, characterized in that: A long rod (10) is installed inside the installation groove, the end of the long rod (10) is connected to the side of the support block (8) through a connecting bolt, and a fixing rod is fixedly connected to the bottom of the long rod (10) at intervals, and the bottom of the fixing rod is fixedly connected to the bottom of the inner wall of the installation groove.

5. The precast concrete column according to claim 3, characterized in that: The bottom of the crossbeam (7) and the top of the support block (8) are connected via limiting bolts.

6. The precast concrete column according to claim 1, characterized in that: The connecting rod (2) is fixedly connected to an inclined plate, and one side of the inclined plate is connected to the inner wall of the mounting groove via mounting bolts.

7. The precast concrete column according to claim 3, characterized in that: The crossbeam (7) is provided with a mounting hole, the interior of the mounting plate (9) is provided with a threaded opening, a bolt is installed inside the threaded opening, and the bolt is threadedly connected to the threaded opening.

8. The precast concrete column according to claim 1, characterized in that: The connection block (3) is composed of two symmetrically arranged trapezoidal blocks, wherein the wider side of the trapezoidal blocks constitutes the two ends of the connection block (3), and the slot is configured as a double trapezoidal slot for mounting the connection block (3).

9. The precast concrete column according to claim 3, characterized in that: The support block (8) comprises a triangular plate, to which an L-shaped plate is fixedly connected, and the surfaces of the L-shaped plate are respectively mounted on the bottom of the crossbeam (7) and the surface of the column (1).

10. The precast concrete column according to claim 3, characterized in that: The crossbeam (7) comprises two long plates, the two long plates are connected by a fixing plate, one side of the fixing plate abuts against the surface of the column (1), and the long plate penetrates the column (1) and is arranged inside the installation groove.

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