Connecting structure of assembly type box column and beam

Abstract

The utility model relates to an assembly type box column and beam connecting structure, and relates to the technical field of steel structures, the assembly type box column and beam connecting structure comprises a box column and an integrally formed connecting beam assembly, and the connecting beam assembly is connected with the box column; the connecting beam assembly comprises a positioning rod, a limiting frame and a first beam, the positioning rod is arranged on one face of the limiting frame, the other face of the limiting frame is connected with the first beam, positioning holes for the positioning rod to be inserted are formed in the box-shaped column in an arrayed mode, the box-shaped column is inserted into the connecting frame, and a locking piece is connected to the connecting frame. The box-type column and beam connecting structure has the effects that connection is rapid, beam end bending moment, shearing force and axial force are effectively transmitted, rigid connection or semi-rigid connection joints are formed, a traditional welding connection mode is replaced, and the integrity and stability of box-type columns and beams in a building structure are guaranteed.

Description

Technical Field

[0001] This application relates to the technical field of steel structures, and in particular to a connection structure for prefabricated box columns and beams. Background Technology

[0002] Currently, the connection structure between box-type columns and steel beams is a key element in ensuring the overall stability and safety of buildings. Traditionally, box-type columns and beams are connected by welding. Although welding can form a solid overall structure, it involves a large amount of on-site work, a long construction period, and problems such as deformation and residual stress that can easily occur during the welding process, affecting structural performance and construction quality. Utility Model Content

[0003] To address the issues of extensive on-site work, long construction period, and easy deformation and residual stress during the welding process in the connection between box columns and beams, this application provides a prefabricated connection structure for box columns and beams.

[0004] This application provides a prefabricated connection structure between box columns and beams, employing the following technical solution:

[0005] A prefabricated box column and beam connection structure includes a box column and an integrally formed connecting beam assembly, wherein the connecting beam assembly is connected to the box column;

[0006] The connecting beam assembly includes a positioning rod, a limiting frame, and a first beam. The positioning rod is disposed on one side of the limiting frame, and the first beam is connected to the other side. Positioning holes for inserting the positioning rod are arranged on the box-shaped column. The box-shaped column is inserted into the connecting frame, and a locking element is connected to the connecting frame.

[0007] By adopting the above technical solution, the matching setting of the positioning rod and the positioning hole of the box column realizes the rapid positioning of the connecting beam assembly and the box column, reducing the long-term on-site operation of traditional welding connections and improving assembly efficiency; the rigid connecting frame formed by the limiting frame wraps and fixes the box column, and with the fastening effect of the locking parts, the connecting node can reliably transmit force in both horizontal and vertical directions, forming a stable connection structure. The one-piece molded connecting beam assembly reduces on-site processing procedures and reduces construction errors.

[0008] Optionally, the limiting frame includes a base plate and a limiting member. The base plate is connected to the limiting member. The limiting member is L-shaped. The box-shaped column is disposed in the installation space formed by the base plate and the limiting member. The limiting member and the positioning rod are mounted on one side of the base plate, and the first beam is disposed on the other side. The positioning rod is located at one end of the limiting member.

[0009] By adopting the above technical solution, the installation space formed by the L-shaped limiting component and the base plate can limit the box column from two orthogonal directions, effectively constraining the out-of-plane displacement of the box column and improving the torsional stiffness of the connection node; the positioning rod and the installation space work together to form a multi-constraint structure of positioning, limiting and supporting, ensuring the precise alignment of the connecting beam assembly and the box column in three-dimensional space; the base plate, as the core force transmission component, evenly distributes the load transmitted by the first beam to the surface of the box column through the limiting component and the positioning rod, avoiding local stress concentration and enhancing the stress reliability of the connection node.

[0010] Optionally, the installation space and the limiting member are configured with a clearance fit.

[0011] By adopting the above technical solution, the clearance fit provides fine-tuning space for the installation of the box column, allowing slight positional deviations caused by errors during hoisting to be accurately positioned through translational adjustment, reducing the requirements for processing accuracy and installation equipment; at the same time, the reasonable clearance setting can not only ensure the effective constraint of the limiting component on the box column, but also avoid assembly difficulties caused by excessive tightness, balancing the ease of installation and constraint rigidity of the connection node, and improving applicability.

[0012] Optionally, the substrate has a plurality of first locking holes, the limiting member has a second locking hole, the locking member passes through the first locking hole and the second locking hole, and extends out of the second locking hole to be connected to a locking nut to lock the box column and the connecting beam assembly.

[0013] By adopting the above technical solution, the setting of multiple sets of locking components forms a multi-point fastening of the box column. By adjusting the preload of the locking nut, the stiffness characteristics of the connection node can be flexibly controlled. The locking component penetrates the base plate and the limiting component and clamps the box column, so that the connecting beam assembly and the box column form a rigid connection, which improves the reliability of the connection node.

[0014] Optionally, the positioning hole and the positioning rod are configured with a clearance fit.

[0015] By adopting the above technical solution, the clearance fit allows the positioning rod to rotate within a small range and move slightly within the positioning hole. During the assembly process, it can adapt to the angular deviation and positional error of the box column and the connecting beam assembly, reducing the machining accuracy requirements of both. At the same time, it provides operational tolerance space for the subsequent installation of locking parts, realizing rapid positioning and convenient installation.

[0016] Optionally, a support member is installed on the first beam, and the other end of the support member is disposed on the box column.

[0017] By adopting the above technical solution, the support component, as an auxiliary force transmission component, transfers the load borne by the first beam to the box column through the oblique support path, forming a triangular stable structure. This effectively distributes the force of the limiting frame and locking component, and improves the overall load-bearing capacity of the connection node. The setting of the support component enhances the stiffness of the connection area, suppresses the bending deformation and shear slip of the beam end under load, and improves the safety and durability of the structural system.

[0018] Optionally, the first beam has a plurality of first mounting holes arranged in a row, the box column has a plurality of second mounting holes arranged in a row, one end of the support member has a first connecting hole and the other end has a second connecting hole, a first mounting member is disposed in the first connecting hole, the other end of the first mounting member passes through the support member and the first beam and extends out of the first beam and is connected to a first mounting nut, a second mounting member is disposed in the second connecting hole, the other end of the second mounting member passes through the support member and the box column and extends out of the box column and is connected to a second mounting nut.

[0019] By adopting the above technical solutions, the modular mounting hole design enables detachable connection between the support components and the first beam and box column, which facilitates the adjustment of the number and angle of the support components on site according to actual load requirements, and improves the flexibility and adaptability of the connection structure; the bolt connection method ensures the installation accuracy and disassembly convenience of the support components, while also facilitating later maintenance and replacement.

[0020] Optionally, the first beam has a plurality of first combination holes arranged in a row, the second beam is fitted inside the first beam, the second beam has a plurality of second combination holes arranged in a row, a connector is installed in the first combination holes, the connector passes through the first combination holes and the second combination holes, and extends out of the first beam to be connected to a combination nut to fix the first beam and the second beam.

[0021] By adopting the above technical solution, the extension length of the second beam within the first beam is adjusted according to actual needs. A continuous load-bearing component is formed through the fastening action of combined holes and connectors, which solves the problem of fixed length of traditional prefabricated beams, improves the versatility and reusability of the connection structure, and enhances construction efficiency.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. This connection structure enables prefabricated rapid connection between box columns and beams. Through the guiding positioning of positioning rods and positioning holes, the wrapping constraint of the limiting frame, and the rapid fastening of locking parts, a connection system of positioning, limiting, and locking is realized. It effectively transmits the bending moment, shear force, and axial force at the beam end, forming a rigid or semi-rigid connection node, replacing the traditional welding connection method, and ensuring the integrity and stability of box columns and beams in the building structure.

[0024] 2. The positioning hole and positioning rod are designed with a clearance fit. During installation, the clearance fit allows the positioning rod to have a certain amount of fine adjustment space within the positioning hole, which facilitates installation and adjustment by the operator and reduces the difficulty of installation. Attached Figure Description

[0025] Figure 1 This is a structural schematic diagram of an embodiment of this application;

[0026] Figure 2 This is a partial structural schematic diagram of an embodiment of this application.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Box-shaped column; 11. Positioning hole; 12. Second mounting hole; 13. Second mounting component; 14. Second mounting nut; 2. Connecting beam assembly; 21. Positioning rod; 22. Limiting frame; 221. Base plate; 222. Limiting component; 223. Locking component; 224. Locking nut; 23. First beam; 231. First mounting component; 232. First mounting nut; 233. First combined hole; 24. Support component; 25. Second beam; 251. Second combined hole; 252. Connecting component; 253. Combined nut. Detailed Implementation

[0029] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other.

[0030] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] The following is in conjunction with the appendix Figure 1 and Figure 2 This application will be described in further detail.

[0033] This application discloses a prefabricated connection structure between box-type columns and beams, referring to... Figure 1 The prefabricated box column and beam connection structure includes a box column 1 and an integrally formed connecting beam assembly 2, which is connected to the box column 1.

[0034] The connecting beam assembly 2 includes a positioning rod 21, a limiting frame 22 and a first beam 23. The positioning rod 21 is provided on one side of the limiting frame 22 and the first beam 23 is connected to the other side. Positioning holes 11 for inserting the positioning rod 21 are arranged on the box column 1. The box column 1 is inserted into the connecting frame and a locking member 223 is connected to the connecting frame.

[0035] In this prefabricated box-type column and beam connection structure, the box-type column 1 serves as the main supporting component of the building structure, bearing and transmitting vertical and horizontal loads in the structure, and providing an installation foundation for the connecting beam assembly 2. During installation, the positioning rod 21 in the connecting beam assembly 2 can be inserted into the positioning hole 11 of the box-type column 1 to achieve initial positioning of the connecting beam assembly 2 and the box-type column 1, guiding the limiting frame 22 to accurately fit the box-type column 1, reducing installation time. The limiting frame 22 forms a rigid frame that encloses the box-type column 1, constraining its displacement from multiple directions, such as horizontal and vertical. When installing the box-type column 1 and the beam, the setting of the limiting frame 22 and the positioning rod 21 together constitute a three-dimensional positioning constraint system.

[0036] The first beam 23, serving as the main load-bearing component of the connecting beam assembly 2, bears external loads and transfers them to the box column 1 via the limiting frame 22 and positioning rods 21. The first beam 23 and the limiting frame 22 are integrally formed, creating a continuous force transmission path. This avoids stress concentration issues caused by welding between the beam and the node plate in traditional joints, reducing on-site processing steps. Through the array arrangement of multiple positioning rods 21 and positioning holes 11, the first beam 23 can be installed in the required position, offering strong applicability and improving assembly efficiency.

[0037] The locking element 223 passes through the limiting frame 22 and the box column 1, and the two are fastened together by the locking nut 224 to form a rigid or semi-rigid node. The locking element 223 can be a bolt. The setting of multiple sets of locking elements 223 provides adjustable preload, controls the node stiffness, meets the force transmission requirements under different load conditions, and transmits force by clamping the surfaces of the two to ensure the reliability of the node.

[0038] This connection structure enables prefabricated rapid connection between the box column 1 and the beam. Through the guiding positioning of the positioning rod 21 and the positioning hole 11, the wrapping constraint of the limiting frame 22, and the rapid fastening of the locking part 223, a connection system of positioning, limiting, and locking is realized. It effectively transmits the bending moment, shear force and axial force at the beam end, forming a rigid or semi-rigid connection node, replacing the traditional welding connection method, and ensuring the integrity and stability of the box column 1 and the beam in the building structure.

[0039] refer to Figure 2 The limiting frame 22 includes a base plate 221 and a limiting member 222. The base plate 221 is connected to the limiting member 222. The limiting member 222 is L-shaped. The box-shaped column 1 is set in the installation space formed by the base plate 221 and the limiting member 222. The limiting member 222 and the positioning rod 21 are installed on one side of the base plate 221, and the first beam 23 is set on the other side. The positioning rod 21 is located at one end of the limiting member 222. The base plate 221 is used to integrate the various structural parts of the connecting beam assembly 2. The base plate 221 provides an installation foundation for the limiting member 222 and the positioning rod 21, ensuring their accurate relative positions in space. The L-shaped limiting member 222 and the base plate 221 together form an installation space. The limiting member 222 is used to accommodate the box column 1 and limits the box column 1 from two mutually perpendicular directions, restricting the displacement and rotation of the box column 1 in the horizontal and vertical directions. The limiting member 222 assists the base plate 221 in transferring the load to the box column 1, enhancing the torsional and bending resistance of the connection between the box column 1 and the beam, ensuring the accuracy and stability of the connection, and making the structure more reliable when bearing loads.

[0040] Specifically, the installation space and the limiting component 222 are configured with a clearance fit. The installation space provides room for the box-shaped column 1 and defines its approximate position during connection, guiding it smoothly into the connection position and avoiding installation difficulties due to insufficient space. This provides operational space for subsequent connection operations and facilitates the installation and adjustment of locking components 223, etc. The installation space and the limiting component 222 work together to constrain the movement of the box-shaped column 1, ensuring the accuracy and stability of the connection.

[0041] The clearance fit between the installation space and the limiting component 222 allows for some fine-tuning of the box-type column 1 during installation. Since prefabricated components may have dimensional errors during production and transportation, the clearance fit compensates for these errors, enabling the box-type column 1 to be smoothly installed into the installation space. Simultaneously, the clearance provides a buffer for the positioning of the box-type column 1 during connection, preventing installation difficulties or component damage caused by rigid contact.

[0042] Multiple first locking holes are formed on the substrate 221, and a second locking hole is formed on the limiting member 222. The locking member 223 passes through the first and second locking holes and extends out of the second locking hole to connect with a locking nut 224 to lock the box column 1 and the connecting beam assembly 2. The first and second locking holes provide a through path for the locking member 223, ensuring the connection and positioning of the locking member 223 with the substrate 221. At the same time, as a medium for load transfer, the clamping force of the limiting member 222 and the box column 1 is evenly distributed to the entire substrate 221. By arranging multiple first locking holes in an array, a multi-point connection system is formed to avoid deformation or breakage of the substrate 221 caused by single-point force.

[0043] The second locking hole is coaxially arranged with the first locking hole, ensuring that after the locking member 223 passes through, the limiting member 222 and the base plate 221 together clamp the box-shaped column 1, forming a bidirectional constraint on the box-shaped column 1.

[0044] The locking element 223 passes through the first and second locking holes, rigidly connecting the base plate 221, the limiting element 222, and the box-shaped column 1. Axial tension clamps the three together, creating friction to transfer loads (such as shear force), and a portion of the load is transferred through the shear resistance of the bolt rod. As a key component of the assembly connection, the locking element 223 enables rapid, non-welding fastening, avoiding the high-temperature damage and residual stress problems associated with traditional welding.

[0045] During installation, the axial tension of the locking member 223 is adjusted by rotating the locking nut 224, thereby controlling the clamping degree of the base plate 221 and the limiting member 222 on the box column 1 and realizing the quantitative adjustment of the node stiffness.

[0046] Specifically, the positioning hole 11 and the positioning rod 21 are designed with a clearance fit. Since there may be some dimensional errors in the positioning hole 11 and the positioning rod 21 during production and transportation, the clearance fit can compensate for these errors, allowing the positioning rod 21 to be smoothly inserted into the positioning hole 11. During installation, the clearance fit allows for some fine-tuning space within the positioning hole 11, facilitating installation and adjustment by operators and reducing installation difficulty.

[0047] refer to Figure 1 and Figure 2A support member 24 is installed on the first beam 23, and the other end of the support member 24 is set on the box column 1. The support member 24 is connected at an angle to transfer the load borne by the first beam 23 to the box column 1 in the form of axial force, forming a triangular stable structure and improving the deformation resistance of the connection node. Multiple sets of support members 24 (such as symmetrical arrangement) can form circumferential constraints on the box column 1, enhancing the stability of the column under complex loads.

[0048] Multiple first mounting holes are arranged on the first beam 23, and multiple second mounting holes 12 are arranged on the box column 1. One end of the support member 24 has a first connecting hole, and the other end has a second connecting hole. A first mounting member 231 is provided in the first connecting hole. The other end of the first mounting member 231 passes through the first connecting hole of the support member 24 and the first mounting hole of the first beam 23, and extends out of the first beam 23 to be connected to a first mounting nut 232. A second mounting member 13 is provided in the second connecting hole. The other end of the second mounting member 13 passes through the second connecting hole of the support member 24 and the second mounting hole 12 of the box column 1, and extends out of the box column 1 to be connected to a second mounting nut 14.

[0049] The first mounting hole serves as the connection interface between the support member 24 and the first beam 23, providing a through channel for the first mounting member 231. Through the preset array of holes, the installation position of the support member 24 can be accurately positioned, ensuring that the support member 24 and the first beam 23 form a stable structural setup.

[0050] The second mounting hole 12 provides a stable anchoring foundation for the other end of the support member 24. The support member 24 is rigidly connected to the box column 1 through the second mounting member 13, ensuring that the axial force of the support member 24 is effectively transmitted to the box column 1, reducing the risk of column wall deformation or damage due to excessive local stress. In this application, both the first mounting member 231 and the second mounting member 13 can be bolts, which facilitates quick on-site assembly and subsequent maintenance and replacement. The support member 24 is tightly clamped to the first beam 23 and the box column 1 through a threaded connection. The friction force generated by the bolt preload is used to transmit the lateral load, while the bolt shank resists part of the shear force.

[0051] The connecting holes at both ends of the support member 24 serve as the connection interfaces with the first beam 23 and the box column 1. The three are connected to form a stable triangular structure through the installation components, which effectively reduces the bending moment and shear force of the beam.

[0052] The first mounting component 231 and the first mounting nut 232, the second mounting component 13 and the second mounting nut 14 can be used with spring washers or anti-loosening rubber to prevent the nuts from loosening under long-term load and to prevent external corrosive media from entering the connection interface.

[0053] A first beam 23 has multiple first combination holes 233 arranged in a row. A second beam 25 is fitted inside the first beam 23. A second beam 25 has multiple second combination holes 251 arranged in a row. A connector 252 is installed in each of the first combination holes 233. The connector 252 passes through the first combination holes 233 and the second combination holes 251, and extends out of the first beam 23 to be connected to a combination nut 253 to fix the first beam 23 and the second beam 25. The first beam 23 serves as the main load-bearing beam, bearing external loads and providing space for the second beam 25. The internal cavity of the first beam 23 is adapted to the shape of the second beam 25. The array of first combination holes 233 provides a through path for the connector 252, allowing the second beam 25 to slide within the first beam 23 to the target position and then be fixed, achieving stepless adjustment of the beam length.

[0054] The second beam 25 extends by sliding, forming a telescopic beam with the first beam 23 to meet different span requirements. The connector 252 passes through the first combination hole 233 and the second combination hole 251, clamping and fixing the two beams. Load is transferred through friction, and the shear strength of the connector 252 bears part of the load. The connector 252 can be a bolt or a pin. After the second beam 25 slides to the target position, the combination nut 253 is tightened to lock the second beam 25 in the designated hole of the first beam 23, forming a non-slip integral structure.

[0055] The installation process of a prefabricated box column and beam connection structure according to an embodiment of this application is as follows:

[0056] Using lifting equipment, the box column 1 is hoisted to the foundation platform and temporarily fixed to the pre-embedded anchor bolts;

[0057] Align the positioning rod 21 of the connecting beam assembly 2 with the positioning hole 11 of the box column 1. Set the limiting frame 22 at an angle on one side of the box column 1. Slowly push the connecting beam assembly 2 until the limiting frame 22 completely covers the column. At this time, there is an installation gap between the limiting frame 22 and the box column 1.

[0058] Insert the locking member 223 into the locking hole of the base plate 221 and the limiting member 222, so that the limiting frame 22 and the box-shaped column 1 are tightly fitted to form an initial rigid connection;

[0059] Determine the installation position of the support member 24 according to the target position, align the first connecting hole at one end of the support member 24 with the first mounting hole of the first beam 23, insert the first mounting member 231, adjust the second connecting hole at the other end of the support member 24 to align with the second mounting hole 12 of the box column 1, insert the second mounting member 13, and simultaneously tighten the nuts at both ends, using the oblique tension of the support member 24 to form a constraint on the beam end;

[0060] According to the installation requirements, the second beam 25 is pulled out from the inner cavity of the first beam 23 to the target position, ensuring that the second combination hole 251 of the second beam 25 is aligned with the first combination hole 233 of the first beam 23. The connection is adjusted and connected by the connector 252, and the combination nut 253 is tightened to the target torque so that the mating surfaces of the first beam 23 and the second beam 25 are in close contact to form a combined load-bearing beam.

[0061] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A prefabricated connection structure between box-type columns and beams, characterized in that: It includes a box column (1) and an integrally formed connecting beam assembly (2), the connecting beam assembly (2) being connected to the box column (1); The connecting beam assembly (2) includes a positioning rod (21), a limiting frame (22) and a first beam (23). The positioning rod (21) is provided on one side of the limiting frame (22), and the first beam (23) is connected to the other side. The box column (1) is provided with positioning holes (11) for inserting the positioning rod (21). The box column (1) is inserted into the limiting frame (22). The limiting frame (22) is connected with a locking member (223) to lock the box column (1) and the limiting frame (22).

2. The connection structure between the prefabricated box-type column and beam according to claim 1, characterized in that: The limiting frame (22) includes a base plate (221) and a limiting member (222). The base plate (221) is connected to the limiting member (222). The limiting member (222) is L-shaped. The box-shaped column (1) is set in the installation space formed by the base plate (221) and the limiting member (222). The limiting member (222) and the positioning rod (21) are installed on one side of the base plate (221), and the first beam (23) is set on the other side. The positioning rod (21) is located at one end of the limiting member (222).

3. The connection structure between the prefabricated box-type column and beam according to claim 2, characterized in that: The installation space and the limiting member (222) are configured to have a clearance fit.

4. The connection structure between the prefabricated box-type column and beam according to claim 2, characterized in that: The substrate (221) has a plurality of first locking holes, the limiting member (222) has a second locking hole, the locking member (223) passes through the first locking hole and the second locking hole, and extends out of the second locking hole to be connected to a locking nut (224) to lock the box-shaped column (1) and the limiting frame (22).

5. The connection structure between the prefabricated box-type column and beam according to claim 1, characterized in that: The positioning hole (11) and the positioning rod (21) are configured to have a clearance fit.

6. The connection structure between the prefabricated box-type column and beam according to claim 1, characterized in that: A support member (24) is installed on the first beam (23), and the other end of the support member (24) is set on the box column (1).

7. The connection structure between the prefabricated box-type column and beam according to claim 6, characterized in that: The first beam (23) has a plurality of first mounting holes arranged on it, and the box column (1) has a plurality of second mounting holes (12) arranged on it. The support member (24) has a first connecting hole at one end and a second connecting hole at the other end. A first mounting member (231) is provided in the first connecting hole. The other end of the first mounting member (231) passes through the first connecting hole and the first mounting hole and extends out of the first mounting hole to be connected to a first mounting nut (232). A second mounting member (13) is provided in the second connecting hole. The other end of the second mounting member (13) passes through the second connecting hole and the second mounting hole (12) and extends out of the second mounting hole (12) to be connected to a second mounting nut (14).

8. The connection structure between the prefabricated box-type column and beam according to claim 1, characterized in that: The first beam (23) has a plurality of first combination holes (233) arranged on it. The second beam (25) is fitted inside the first beam (23). The second beam (25) has a plurality of second combination holes (251) arranged on it. A connector (252) is installed in the first combination hole (233). The connector (252) passes through the first combination hole (233) and the second combination hole (251) and extends out of the first beam (23) to be connected to a combination nut (253) to fix the first beam (23) and the second beam (25).

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