Prefabricated steel reinforced concrete column connection node structure
By using a connection method that combines precast concrete hollow columns and pre-embedded steel in the steel concrete column joints, and using the design of reinforcing bolts, reinforcing rods and round plates, the problem of insufficient joint connection firmness and stability in the existing technology is solved. , achieving higher structural stability and support effect.
Patent Information
- Application Number
- CN202423105831.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The existing steel-shaped concrete column node connection method is only through bolts and welding, resulting in poor firmness and stability of the connection, and it is impossible to effectively support the structure between upper and lower steel-shaped concrete.
It adopts a connection node structure that combines precast concrete hollow columns and embedded steel. By setting up embedded mechanisms and fixing mechanisms at the ends of the precast concrete hollow columns, multiple reinforcing bolts and reinforcing rods are used to further pass through the outer loop plate and inner loop plate. The bonding between the plate and the embedded steel section improves the fixing effect through welding.
It significantly improves the stability performance and connection firmness of profiled steel concrete column nodes, ensures effective support between the upper and lower profiled steel concrete, and enhances the stability of the overall structure.
Smart Images
Figure CN222375682U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction, in particular to a prefabricated steel concrete column connection node structure. Background Art
[0002] Steel-reinforced concrete structure, also known as steel-framed concrete structure or rigid reinforced concrete structure, refers to a structure in which steel is arranged in concrete and equipped with certain longitudinal steel bars and stirrups. Compared with steel structure, steel-reinforced concrete structure is wrapped with reinforced concrete on the outside, which can significantly improve the plane torsional buckling performance of steel and improve the durability and fire resistance of the structure; compared with reinforced concrete structure, steel-reinforced concrete structure can effectively reduce the cross-sectional size and improve the seismic performance.
[0003] Steel-concrete structures are favored by engineers for their superior mechanical properties and relatively low economic costs. my country's steel-concrete structures are developing rapidly and are increasingly being used in super-high-rise, large-span structures, and heavy-duty industrial buildings.
[0004] Most of the steel-concrete columns in the prior art are hollow structures, in which steel sections and stirrups are arranged. When connecting at the node, the connection function at the node is achieved by bolting or welding with another steel section. However, the connection is only connected by bolts or welding, and the firmness and stability of the connection are poor, which is not conducive to the supporting effect between the upper and lower steel-concrete sections. Utility Model Content
[0005] In order to solve the above problems, the utility model provides a prefabricated steel-concrete column connection node structure to solve the problem that the connection is only carried out by bolts and welding, and the firmness and stability of the connection are poor, which is not conducive to the support effect between the upper and lower steel-concrete.
[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions: a prefabricated steel-concrete column connection node structure, comprising a prefabricated concrete hollow column and a round-shaped steel, the end of the prefabricated concrete hollow column is provided with an embedded mechanism, the embedded mechanism is used to fix the steel at the end of the prefabricated concrete hollow column, and the round-shaped steel is connected to the embedded mechanism through a fixing mechanism;
[0007] The embedded mechanism comprises embedded steel, which is arranged at the end of the precast concrete hollow column, a plurality of square holes are provided on the top of the embedded steel, and embedded recessed blocks are provided in the plurality of square holes, and side flow holes are provided on the sides of the plurality of embedded recessed blocks, and square connecting pipes are provided on the inner walls of the peripheral sides of the plurality of side flow holes, and reinforcing components are provided on the bottoms of the plurality of embedded recessed blocks, a plurality of connecting holes are provided on the sides of the embedded steel and the precast concrete hollow column, and first reinforcing bolts are provided in the plurality of connecting holes, and one end of the plurality of first reinforcing bolts extends into the interior of the precast concrete hollow column and is threadedly connected with a first reinforcing nut;
[0008] The fixing mechanism includes a steel connecting plate, the circular steel is fixedly arranged on the top of the steel connecting plate, the top of the steel connecting plate and the top of the embedded steel are jointly provided with a plurality of circular holes, a second reinforcing bolt is arranged in each of the plurality of circular holes, the bottom ends of the plurality of second reinforcing bolts respectively extend outside the plurality of circular holes and are threadedly connected with a second reinforcing nut, a plurality of guide assemblies are arranged at the bottom of the steel connecting plate, and a crossbeam connecting steel is arranged on the peripheral outer wall of the circular steel.
[0009] Preferably, the embedded steel is of concave design, and the relative inner walls of the embedded steel are respectively fitted with the peripheral outer wall and the peripheral inner wall of the precast concrete hollow column.
[0010] Preferably, the reinforcement assembly comprises an embedded column, one end of which is fixedly mounted on the bottom of the embedded recessed block, and the other end of which extends into the precast concrete hollow column.
[0011] Preferably, the reinforcement assembly further comprises a plurality of reinforcement rods, one ends of the plurality of reinforcement rods are fixedly mounted on the peripheral outer wall of the embedded column, and the other ends of the plurality of reinforcement rods extend into the precast concrete hollow column.
[0012] Preferably, the guide assembly includes a limit rod, the top end of which is fixedly mounted on the bottom of the steel connecting plate, the bottom inner wall of the embedded recess and the top end of the embedded column are jointly provided with a limit groove, and the limit rod is adapted to the limit groove.
[0013] Preferably, a plurality of resistance-increasing members are provided on the peripheral outer wall of the limiting rod, and the resistance-increasing members are annular steel bars, and the annular steel bars are fixedly sleeved on the peripheral outer wall of the limiting rod.
[0014] Preferably, an inner circular plate is fixedly provided on the inner wall of the circumference of the steel connecting plate, and an outer circular plate is fixedly provided on the outer wall of the circumference of the steel connecting plate. The lengths of the inner circular plate and the outer circular plate are both greater than the length of the steel connecting plate. The outer wall of the inner circular plate fits with the inner wall of the embedded steel, and the inner wall of the outer circular plate fits with the outer wall of the embedded steel.
[0015] The beneficial effects of the utility model are as follows:
[0016] The utility model fixes the embedded steel section at one end when pouring the precast concrete hollow column. After the concrete solidifies, the embedded concave block and the embedded column are wrapped into the precast concrete hollow column. Through the connection effect of multiple reinforcing rods, the embedded steel section can be more stably fixed. Then, the precast concrete hollow column and the embedded steel section are reinforced by multiple first reinforcing bolts, thereby further improving their stability.
[0017] The utility model reinforces the steel connection plate and the embedded steel by a plurality of second reinforcing bolts, and can respectively fit with the outside and inside of the embedded steel by the action of the outer circular plate and the inner circular plate and the embedded steel, and can further improve the fixing effect by welding. After the installation is completed, concrete is poured into the interior of the precast concrete hollow column, and the concrete can enter the embedded recessed block through the square connecting pipe, and the limit rod is poured, and the stability after pouring can be improved by cooperating with a plurality of annular steel bars. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first perspective;
[0019] Figure 2 It is a schematic diagram of the partial cutaway structure of the precast concrete hollow column and embedded steel section of the utility model;
[0020] Figure 3 yes Figure 2 The enlarged structural diagram at A in the middle;
[0021] Figure 4 It is a schematic diagram of the partial cutaway structure of the steel connecting plate and the round-shaped steel of the utility model;
[0022] Figure 5 This is a schematic diagram of the semi-section structure of the precast concrete hollow column, embedded steel and steel connecting plate of the utility model;
[0023] Figure 6 yes Figure 5 Enlarged structural diagram at B in the middle.
[0024] Figure numerals: 1. Precast concrete hollow column; 2. Embedded steel; 3. Embedded recess; 4. Embedded column; 5. Reinforcing rod; 6. Square connecting pipe; 7. Limiting groove; 8. First reinforcing bolt; 9. Steel connecting plate; 10. Second reinforcing bolt; 11. Limiting rod; 12. Inner circular plate; 13. Outer circular plate; 14. Circular steel; 15. Crossbeam connecting steel. DETAILED DESCRIPTION
[0025] The present invention is further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention necessarily exceeds these limited embodiments. For some equivalent replacement schemes or common means, they are no longer described in detail herein, but still fall within the scope of protection of the present application.
[0026] Figures 1 to 6 It is the best embodiment of the utility model, and the following Figures 1 to 6 The utility model is further described.
[0027] A prefabricated steel-concrete column connection node structure, comprising a prefabricated concrete hollow column 1 and a round-shaped steel 14, wherein an embedded mechanism is provided at the end of the prefabricated concrete hollow column 1, the embedded mechanism is used to fix the steel at the end of the prefabricated concrete hollow column 1, and the round-shaped steel 14 is connected to the embedded mechanism via a fixing mechanism;
[0028] The embedded mechanism includes an embedded steel 2, which is arranged at the end of the precast concrete hollow column 1. A plurality of square holes are opened on the top of the embedded steel 2, and embedded recesses 3 are arranged in the plurality of square holes. Sides of the plurality of embedded recesses 3 are opened with side flow holes, and the inner walls of the peripheral sides of the plurality of side flow holes are all provided with square connecting pipes 6. The bottoms of the plurality of embedded recesses 3 are all provided with reinforcing components. The embedded steel 2 and the side of the precast concrete hollow column 1 are opened with a plurality of connecting holes, and the plurality of connecting holes are all provided with first reinforcing bolts 8. One end of the plurality of first reinforcing bolts 8 extends to the interior of the precast concrete hollow column 1 and is threadedly connected with a first reinforcing nut.
[0029] The fixing mechanism includes a steel connecting plate 9, and a circular steel 14 is fixedly arranged on the top of the steel connecting plate 9. The top of the steel connecting plate 9 and the top of the embedded steel 2 are jointly provided with a plurality of circular holes, and a second reinforcing bolt 10 is arranged in each of the plurality of circular holes. The bottom ends of the plurality of second reinforcing bolts 10 extend to the outside of the plurality of circular holes respectively and are threadedly connected with a second reinforcing nut. A plurality of guide components are arranged at the bottom of the steel connecting plate 9, and a crossbeam connecting steel 15 is arranged on the peripheral outer wall of the circular steel 14.
[0030] The embedded steel section 2 is of concave design, and the relative inner walls of the embedded steel section 2 are respectively fitted with the peripheral outer wall and the peripheral inner wall of the precast concrete hollow column 1. By setting the embedded steel section 2 to be concave, its relative inner walls can be respectively fitted with the two sides of the precast concrete hollow column 1, thereby having a clamping effect thereon and improving its stability after setting. By setting a plurality of first reinforcing bolts 8, the two can be better connected and fixed.
[0031] The reinforcing component includes an embedded column 4, one end of which is fixedly installed at the bottom of the embedded recessed block 3, and the other end of the embedded column 4 extends into the precast concrete hollow column 1. Through the arrangement of the embedded recessed block 3 and the embedded column 4, the precast concrete hollow column 1 can be embedded inside when being cast and formed, and wrapped with concrete, thereby improving the stability of the embedded steel section 2 after being arranged.
[0032] The reinforcement assembly also includes a plurality of reinforcement rods 5, one ends of which are fixedly mounted on the peripheral outer wall of the embedded column 4, and the other ends of which extend into the precast concrete hollow column 1. By setting the plurality of reinforcement rods 5, the embedded column 4 can be wrapped with concrete through the plurality of reinforcement rods 5 after embedding, thereby further improving the stability of the embedded steel section 2 after embedding.
[0033] The guide assembly includes a limit rod 11, the top of which is fixedly installed on the bottom of the steel connecting plate 9. The bottom inner wall of the embedded recess 3 and the top of the embedded column 4 are jointly provided with a limit groove 7. The limit rod 11 is adapted to the limit groove 7. Through the setting of the limit rod 11 and the limit groove 7, when the steel connecting plate 9 is hoisted, the staff can move the limit rod 11 to the top of the embedded recess 3, and the steel connecting plate 9 can be quickly positioned through its guiding effect.
[0034] The outer wall of the circumference of the limit rod 11 is provided with multiple resistance-increasing parts, which are annular steel bars. The annular steel bars are fixedly sleeved on the outer wall of the circumference of the limit rod 11. Such a configuration can improve the stability after pouring by wrapping the multiple annular steel bars with concrete when pouring the limit rod 11.
[0035] An inner circular plate 12 is fixedly provided on the inner wall of the circumference of the steel connecting plate 9, and an outer circular plate 13 is fixedly provided on the outer wall of the circumference of the steel connecting plate 9. The lengths of the inner circular plate 12 and the outer circular plate 13 are both greater than the length of the steel connecting plate 9. The outer wall of the inner circular plate 12 fits with the inner wall of the circumference of the embedded steel 2, and the inner wall of the outer circular plate 13 fits with the outer wall of the circumference of the embedded steel 2. By setting the inner circular plate 12 and the outer circular plate 13, the two can be respectively fitted with the two side portions of the embedded steel 2. Through welding, the connection stability of the steel connecting plate 9 and the embedded steel 2 can be further improved.
[0036] In summary, when the utility model is used, when the precast concrete hollow column 1 is manufactured, the embedded steel 2 is first fixed at one end thereof, and after the concrete solidifies, the embedded concave block 3 and the embedded column 4 are wrapped into the precast concrete hollow column 1, and the embedded steel 2 can be more stably fixed through the connection of the multiple reinforcing rods 5, and then the precast concrete hollow column 1 and the embedded steel 2 are reinforced by the multiple first reinforcing bolts 8, so as to further improve their stability.
[0037] When hoisting and placing the steel connecting plate 9 and the circular steel 14, by aligning the multiple limit rods 11 at the bottom of the steel connecting plate 9 into the multiple embedded recesses 3 respectively, the guiding effect of the steel connecting plate 9 can be achieved, which is convenient for positioning the steel connecting plate 9, and then the steel connecting plate 9 and the embedded steel 2 are reinforced by multiple second reinforcing bolts 10, and through the action of the outer circular plate 13 and the inner circular plate 12 and the embedded steel 2, they can fit with the outside and inside of the embedded steel 2 respectively, and the fixing effect can be further improved by welding. After the installation is completed, concrete is poured into the precast concrete hollow column 1, and the concrete is allowed to enter the embedded recess 3 through the square connecting pipe 6, and the limit rod 11 is poured. In combination with multiple annular steel bars, its stability after pouring can be improved.
[0038] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.
Claims
1. A prefabricated steel-concrete column connection node structure, comprising a prefabricated concrete hollow column (1) and a round-shaped steel (14), characterized in that: The end of the precast concrete hollow column (1) is provided with an embedded mechanism, the embedded mechanism is used to fix the steel section at the end of the precast concrete hollow column (1), and the circular steel section (14) is connected to the embedded mechanism via a fixing mechanism; The embedded structure comprises an embedded steel section (2), the embedded steel section (2) being arranged at the end of the precast concrete hollow column (1), a plurality of square holes being provided on the top of the embedded steel section (2), embedded recessed blocks (3) being provided in the plurality of square holes, side flow holes being provided on the sides of the plurality of embedded recessed blocks (3), square connecting pipes (6) being provided on the inner walls of the peripheral sides of the plurality of side flow holes, reinforcing components being provided on the bottoms of the plurality of embedded recessed blocks (3), a plurality of connecting holes being provided on the sides of the embedded steel section (2) and the precast concrete hollow column (1), first reinforcing bolts (8) being provided in the plurality of connecting holes, one end of each of the plurality of first reinforcing bolts (8) extending into the interior of the precast concrete hollow column (1) and being threadedly connected with a first reinforcing nut; The fixing mechanism comprises a steel connecting plate (9), the circular steel (14) is fixedly arranged on the top of the steel connecting plate (9), the top of the steel connecting plate (9) and the top of the embedded steel (2) are jointly provided with a plurality of circular holes, a second reinforcing bolt (10) is arranged in each of the plurality of circular holes, the bottom ends of the plurality of second reinforcing bolts (10) respectively extend outside the plurality of circular holes and are threadedly connected with a second reinforcing nut, a plurality of guide assemblies are arranged at the bottom of the steel connecting plate (9), and a crossbeam connecting steel (15) is arranged on the peripheral outer wall of the circular steel (14).
2. A prefabricated steel concrete column connection node structure according to claim 1, characterized in that: The embedded steel section (2) is of concave design, and the relative inner walls of the embedded steel section (2) are respectively fitted with the peripheral outer wall and the peripheral inner wall of the precast concrete hollow column (1).
3. The prefabricated steel-concrete column connection node structure according to claim 1, characterized in that: The reinforcement assembly comprises an embedded column (4), one end of the embedded column (4) being fixedly mounted on the bottom of the embedded recessed block (3), and the other end of the embedded column (4) extending into the precast concrete hollow column (1).
4. The prefabricated steel-concrete column connection node structure according to claim 3, characterized in that: The reinforcement assembly further comprises a plurality of reinforcement rods (5), one end of each of the plurality of reinforcement rods (5) being fixedly mounted on the peripheral outer wall of the embedded column (4), and the other end of each of the plurality of reinforcement rods (5) extending into the precast concrete hollow column (1).
5. The prefabricated steel concrete column connection node structure according to claim 3, characterized in that: The guide assembly comprises a limit rod (11), the top end of which is fixedly mounted on the bottom of the steel connecting plate (9), the bottom inner wall of the embedded recessed block (3) and the top end of the embedded column (4) are jointly provided with a limit groove (7), and the limit rod (11) is adapted to fit the limit groove (7).
6. The prefabricated steel concrete column connection node structure according to claim 5, characterized in that: The outer wall of the circumference of the limiting rod (11) is provided with a plurality of resistance-enhancing components, wherein the resistance-enhancing components are annular steel bars, and the annular steel bars are fixedly sleeved on the outer wall of the circumference of the limiting rod (11).
7. The prefabricated steel-concrete column connection node structure according to claim 1, characterized in that: An inner circular plate (12) is fixedly provided on the inner wall of the circumference of the steel connecting plate (9), and an outer circular plate (13) is fixedly provided on the outer wall of the circumference of the steel connecting plate (9). The lengths of the inner circular plate (12) and the outer circular plate (13) are both greater than the length of the steel connecting plate (9). The outer wall of the inner circular plate (12) fits with the inner wall of the circumference of the embedded steel (2), and the inner wall of the outer circular plate (13) fits with the outer wall of the circumference of the embedded steel (2).