Connecting structure of concrete frame column and steel structure beam
By installing reinforcing bars and steel plates at the top of the concrete columns, and utilizing the threaded connection between the steel frame beams and bolts, the problems of long construction cycles and complex processes in the connection structure between concrete frame columns and steel beams were solved, achieving rapid connection and shortening the construction cycle.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QING DAO ZHONG FANG JIAN ZHU SHE JI YUAN GU FEN YOU XIAN GONG SI
- Filing Date
- 2025-05-07
- Publication Date
- 2026-04-17
AI Technical Summary
The existing construction of the connection structure between concrete frame columns and steel beams has a long construction period and complex connection construction process, which makes it impossible to guarantee on-time delivery of the project when the construction period is short.
The design incorporates steel reinforcement and a steel plate at the top of the concrete column, combined with the design of steel frame beams, threaded holes, and bolts. The steel frame beams are prefabricated in the factory and then fitted into the concrete column after construction. The connection between bolts and threaded holes simplifies the construction process.
The construction process was simplified, the construction period was significantly shortened, and a rapid connection between concrete columns and steel structure beams was achieved.
Smart Images

Figure CN224133906U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of connection structures between concrete frame columns and steel structure beams, specifically a connection structure between concrete frame columns and steel structure beams. Background Technology
[0002] In conventional concrete structures, concrete columns are combined with concrete beams and slabs. The connection between the beams and columns is the connection between concrete frame columns and concrete frame beams. This connection construction process is relatively complex, requiring scaffolding to be erected, formwork to be made, reinforcement to be tied, concrete to be poured, and the concrete to be cured to the design strength before the formwork and scaffolding are removed. When facing complex and changing construction environments and actual conditions, many problems arise. This conventional approach cannot effectively solve problems in special circumstances. Therefore, a connection structure between concrete frame columns and steel beams is needed.
[0003] Existing concrete frame column and steel beam connection structures have long construction cycles and complex connection processes. The construction steps cannot be carried out simultaneously or combined. In cases with short construction periods, it is impossible to guarantee on-time project delivery. Therefore, there is an urgent need for a concrete frame column and steel beam connection structure. Utility Model Content
[0004] Based on this, the purpose of this utility model is to provide a connection structure between concrete frame columns and steel structure beams, so as to solve the problems of long construction cycle and complicated connection construction process of existing concrete frame column and steel structure beam connection structures.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a connection structure between a concrete frame column and a steel structure beam, comprising a concrete column, wherein reinforcing bars are installed inside the concrete column, a column top steel plate is installed at the top of the concrete column, a pouring hole is opened inside the column top steel plate, a ventilation hole is opened inside the column top steel plate, a steel structure frame beam is installed on the outer wall of the concrete column, a connecting plate is installed inside the steel structure frame beam, and an outer ring plate is installed on the outer wall of the steel structure frame beam.
[0006] The concrete column has threaded holes inside, and the steel frame beam has bolts installed on its outer wall.
[0007] Preferably, the vent holes are symmetrically arranged with respect to the central axis of the column top steel plate, and the casting hole is located at the center of the column top steel plate.
[0008] Preferably, the thickness of the column top steel plate is the same as that of the outer ring plate, and the thickness of the outer ring plate is the maximum flange thickness of the beam.
[0009] Preferably, the connecting plates are arranged symmetrically with respect to the central axis of the steel structure frame beam, and the connecting plates are designed with openings.
[0010] Preferably, the bolt is threadedly connected to the concrete column through a threaded hole, and the steel structure frame beam is designed with open holes.
[0011] Preferably, the steel frame beam is fitted into the top of the concrete column, and the steel frame beam and the concrete column are interlocked.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. This utility model, through the setting of concrete columns, reinforcing bars, column top steel plates, pouring holes, and steel structure frame beams, allows the concrete columns to be poured in a single pour up to the column top steel plates during construction, thus pre-reserving the reinforcing bars within the concrete columns. During the construction of the concrete columns, components such as the steel structure frame beams can be processed simultaneously in the factory. After the concrete columns are completed, the steel structure frame beams are fitted and installed on top of the concrete columns, and then the concrete in the beam-column joint is poured and compacted through the pouring holes opened in the column top steel plates. This simplifies the construction process and significantly reduces the construction cycle.
[0014] 2. This utility model, through the setting of concrete columns, steel frame beams, threaded holes and bolts, allows the steel frame beam to be fixedly installed at the top of the concrete column by passing the bolts through the steel frame beams and rotating them. Since the bolts are threadedly connected to the concrete columns through the threaded holes, the steel frame beams can be installed at the top of the concrete columns, which facilitates the connection and assembly of the concrete columns and steel frame beams. Attached Figure Description
[0015] Figure 1 This is a sectional view of the concrete column of this utility model;
[0016] Figure 2 This is a top view of the steel structure frame beam of this utility model;
[0017] Figure 3 This utility model Figure 1 Enlarged view of the structure at point A in the middle.
[0018] In the diagram: 1. Concrete column; 2. Reinforcing bar; 3. Column top steel plate; 4. Pouring hole; 5. Ventilation hole; 6. Steel frame beam; 7. Connecting plate; 8. Outer ring plate; 9. Threaded hole; 10. Bolt. Detailed Implementation
[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0020] The embodiments of this utility model will be described below based on its overall structure.
[0021] Please see Figure 1-3 A concrete frame column and steel beam connection structure includes a concrete column 1, with reinforcing bars 2 installed inside the concrete column 1, a column top steel plate 3 installed on the top of the concrete column 1, a pouring hole 4 and a vent hole 5 inside the column top steel plate 3, a steel frame beam 6 installed on the outer wall of the concrete column 1, a connecting plate 7 installed inside the steel frame beam 6, and an outer ring plate 8 installed on the outer wall of the steel frame beam 6. The vent hole 5 is symmetrically arranged with respect to the central axis of the column top steel plate 3, and the pouring hole 4 is located at the center of the column top steel plate 3. The column top steel plate 3 and the outer ring plate 8 have the same thickness, and the thickness of the outer ring plate 8 is the maximum flange thickness of the beam. The connecting plate 7 is symmetrically arranged with respect to the central axis of the steel frame beam 6, and the connecting plate 7 has an open design, which can simplify the construction process and significantly reduce the construction period.
[0022] Please see Figure 1-3 A connection structure between a concrete frame column and a steel structure beam is provided. The concrete column 1 has a threaded hole 9 inside, and the outer wall of the steel structure frame beam 6 is fitted with bolts 10. The bolts 10 are threadedly connected to the concrete column 1 through the threaded hole 9. The steel structure frame beam 6 is designed with an open hole and is fitted into the top of the concrete column 1. The steel structure frame beam 6 and the concrete column 1 are interlocked and connected, which facilitates the installation and connection of the concrete column 1 and the steel structure frame beam 6.
[0023] Working principle: During use, the concrete column 1 is poured in one go up to the top steel plate 3, allowing the reinforcing bars 2 inside the concrete column 1 to be pre-installed. During the construction of the concrete column 1, components such as the steel frame beam 6 can be processed in the factory simultaneously. After the concrete column 1 is completed, the steel frame beam 6 is fitted and installed on the top of the concrete column 1. Then, the concrete in the beam-column joint is poured and compacted through the pouring hole 4 in the top steel plate 3, which simplifies the construction process. By passing the bolt 10 through the steel frame beam 6 and rotating it, the steel frame beam 6 can be limited and installed on the top of the concrete column 1 because the bolt 10 is threaded to the concrete column 1 through the threaded hole 9. This completes the use of the device. The contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A connection structure between a concrete frame column and a steel beam, comprising a concrete column (1), characterized in that: The concrete column (1) is equipped with reinforcing bars (2) inside, and a column top steel plate (3) is installed on the top of the concrete column (1). The column top steel plate (3) has a pouring hole (4) inside and a ventilation hole (5) inside. The outer wall of the concrete column (1) is equipped with a steel structure frame beam (6). The steel structure frame beam (6) has a connecting plate (7) inside and an outer ring plate (8) on the outer wall of the steel structure frame beam (6). The concrete column (1) has a threaded hole (9) inside, and the steel frame beam (6) has bolts (10) installed on its outer wall.
2. The connection structure of a concrete frame column and a steel structure beam according to claim 1, characterized in that: The ventilation holes (5) are symmetrically arranged with the central axis of the column top steel plate (3), and the casting hole (4) is located at the center of the column top steel plate (3).
3. The connection structure of a concrete frame column and a steel structure beam according to claim 1, characterized in that: The thickness of the column top steel plate (3) is the same as that of the outer ring plate (8), and the thickness of the outer ring plate (8) is the maximum flange thickness of the beam.
4. The connection structure of a concrete frame column and a steel structure beam according to claim 1, characterized in that: The connecting plate (7) is symmetrically arranged with the central axis of the steel frame beam (6), and the connecting plate (7) is designed with openings.
5. The connection structure of a concrete frame column and a steel structure beam according to claim 1, characterized in that: The bolt (10) is threaded to the concrete column (1) through the threaded hole (9), and the steel frame beam (6) is designed with an open hole.
6. The connection of a concrete frame column to a steel beam according to claim 1, wherein: The steel frame beam (6) is fitted into the top of the concrete column (1), and the steel frame beam (6) is engaged with the concrete column (1).