A connection structure and method of inclined combined steel column and superstructure

Abstract

The present application relates to the technical field of steel structures, and in particular to a connection structure and method for an inclined combined steel column to a superstructure, which mainly includes a combined steel column and a connecting rib. During the connection process of the combined steel column, the number of components is reduced by integrating components, the integration of components is promoted, the integrity and reliability of the combined steel column are improved, and the controllability of the combined steel column assembly process is improved. At the same time, the construction process is simplified, the construction efficiency is improved, and the safety of construction workers is improved. At the connection node between the inclined combined steel column and the superstructure, multiple circular ribs of different elevations are optimized to increase the contact area with other steel beams, while ensuring a cross-orthogonal connection with steel beams of different cross sections and directions, thereby overcoming the unfavorable working conditions of the connection between the inclined circular steel column and the horizontal component, as well as the unfavorable working conditions of the complex connection between the combined component and the superstructure. The node connection is reliable and the force transmission is reasonable.

Description

Technical Field

[0001] The present application relates to the technical field of steel structures, and in particular to a connection structure and a connection method for an inclined combined steel column and a superstructure. Background Art

[0002] With rapid economic development and the continuous improvement of construction technology, architectural designs are becoming increasingly bold and complex, driven by the pursuit of architectural beauty and design. To address this trend, steel structures, due to their light weight, high strength, and high plasticity, have found widespread application. Their application has been gradually promoted in a variety of public buildings, residences, hotels, guesthouses, office buildings, industrial plants, and other structures that have emerged in recent years.

[0003] In the construction of complex steel structures, due to the special architectural shape, sometimes inclined steel columns and upper horizontal components are connected. How to ensure that the connection between the two is firm and the force is transmitted reasonably is a difficult point in steel structure construction. Especially when the steel column is a multi-component composite steel column, the combination connection of the steel column itself is already relatively complex. When it is mixed with the connection with the upper horizontal structure, the connection becomes even more difficult, which brings challenges to the steel structure construction.

[0004] Therefore, in response to the problems in the above-mentioned related technologies, how to provide a connection method for the inclined combined steel columns and the upper horizontal members, while ensuring reasonable force transmission and reliable connection between the two, and how to overcome the difficulties in combining the combined steel columns and the difficulties in connecting and adjusting the inclined combined steel columns and the upper structure during the steel structure construction process, is a technical problem that needs to be urgently solved by technical personnel in this field. Summary of the Invention

[0005] In order to overcome the difficulties in combining combined steel columns and the difficulties in connecting and adjusting inclined combined steel columns with superstructures, the present application provides a connection structure and a connection method for inclined combined steel columns with superstructures.

[0006] In the first aspect, the present application provides an inclined combined steel column and superstructure connection structure adopting the following technical solution:

[0007] An inclined combined steel column and superstructure connection structure, comprising:

[0008] A composite steel column comprises a plurality of inclined steel columns and a plurality of composite connectors, wherein the inclined steel columns are divided into a plurality of sections according to their lengths, the plurality of sections of the inclined steel columns are connected by welding, and the plurality of the inclined steel columns are connected by a plurality of the composite connectors;

[0009] The connecting ribs are used to connect the upper structures in different directions. A plurality of the connecting ribs are provided, and the plurality of connecting ribs are arranged at different heights of each inclined steel column.

[0010] By adopting the above technical solution, the inclined combined steel column of the present application and the upper structure connection structure are set as a combination of combined steel columns and connecting ribs. Multiple inclined steel columns are welded in sections to form a whole, and the steel columns are horizontally connected using combined connectors. This not only solves the problem of transportation and installation of large-size steel columns, but also enhances the structural integrity through segmented combination. The arrangement of the combined connectors strengthens the coordinated force-bearing capacity between multiple inclined steel columns and effectively transmits complex loads. The connecting ribs are arranged in layers at different heights to adapt to the connection requirements of the upper structure in different directions, and a multi-directional force transmission path is achieved through spatial distribution. The separation and integration of the steel columns avoids stress concentration at a single connection point, and the connecting ribs are dispersed at different heights of the steel columns, which not only meets the special requirements of the architectural shape on the location of the connection points, but also reduces the weakening effect of local connections on the stiffness of the steel columns through staggered distribution, forming a three-dimensional force transmission system. The combination of welded connections and combined connectors takes into account both construction efficiency and structural reliability. The segmented welding of multi-section steel columns facilitates on-site assembly, and the combined connectors provide adjustable node stiffness. This application effectively overcomes the difficulties in combining combined steel columns and the difficulties in connecting and adjusting inclined combined steel columns to the upper structure.

[0011] Optionally, a ring beam and a tension beam are further provided in the combined steel column, and both the ring beam and the tension beam are steel structures. The ring beam is located between adjacent inclined steel columns, and the tension beam is located between spaced inclined steel columns. A connecting steel plate is provided on the connecting rib, and the ring beam and the tension beam are connected to the connecting steel plate by bolts.

[0012] By adopting the above technical solution, steel structure ring beams and tension beams are set inside the combined steel columns to form a spatial network support system. The ring beams connect adjacent steel columns horizontally to enhance local stability, and the tension beams connect interval steel columns longitudinally to improve the overall lateral stiffness.

[0013] Optionally, the ring beam, tension beam and connecting steel plates can be connected first and / or later.

[0014] By adopting the above technical solution and giving the ring beam, tension beam and connecting steel plates an optional connection sequence, the limitation that traditional steel structures must be assembled in a fixed order is broken through.

[0015] Optionally, it also includes an adjustment mechanism and a positioning component, wherein the adjustment mechanism is used to adjust the position of the connecting rib, and the adjustment mechanism includes a first adjustment component and a second adjustment component, the connecting rib is rotatably connected to the inclined steel column, and a clearance groove is provided on the connecting rib, the first adjustment component is located in the clearance groove, the first adjustment component can make the connecting rib rotate around the inclined steel column, the second adjustment component is used to drive the first adjustment component, and the positioning component can make the adjusted connecting rib quickly positioned.

[0016] By adopting the above technical solution, the coordination between the adjustment mechanism and the positioning assembly can achieve precise adjustment and efficient fixation of the spatial position of the connecting ribs.

[0017] Optionally, the first adjustment component includes an adjusting wheel and adjusting teeth, an outer ring is fixedly connected to the inclined steel column, an extension plate is fixedly connected to the outer ring, the adjusting wheel is rotatably connected to the extension plate, the adjusting teeth are annularly arranged on the side wall of the give way groove, and the ratchet of the adjusting wheel is engaged with the adjusting teeth.

[0018] By adopting the above technical solution, the meshing structure design of the adjusting wheel and the adjusting teeth in the first adjusting component can realize the precise adjustment of the connecting rib plate rotating around the inclined steel column. The outer ring is fixed to the inclined steel column to provide stable support. The extension plate serves as the installation basis of the adjusting wheel to ensure transmission rigidity. The annularly arranged adjusting teeth form continuous meshing with the adjusting wheel ratchet, so that the connecting rib plate has a reliable force transmission point at each angle during the rotation process.

[0019] Optionally, the second adjusting assembly includes a worm, a worm wheel, a first bevel gear and a second bevel gear, the worm is inserted into the inclined steel column, the worm wheel is rotatably connected to the inclined steel column, the first bevel gear and the second bevel gear are both located in the give way groove, and the worm wheel is coaxially arranged with the first bevel gear, the worm wheel and the worm are meshed, the first bevel gear and the second bevel gear are meshed, and the second bevel gear is coaxially arranged with the adjusting wheel.

[0020] By adopting the above technical solution, the combined design of worm gear transmission and bevel gear transmission realizes multi-stage deceleration and transmission direction conversion. This multi-stage transmission system achieves a high transmission ratio in a limited space, which not only ensures the adjustment accuracy but also reduces the torque required for manual operation.

[0021] Optionally, the end of the worm extending out of the inclined steel column is further provided with anti-slip grooves.

[0022] By adopting the above technical solution and providing anti-slip grooves, the friction during manual operation is enhanced, thereby improving the adjustment efficiency.

[0023] Optionally, the positioning assembly includes a positioning bolt, and a positioning hole is opened on the outer ring. The positioning bolt can pass through the positioning hole so that the outer ring and the outer ring are aligned.

[0024] By adopting the above technical solution, the positioning bolts cooperate with the positioning holes on the outer ring to form a rigid connection point, so that the connection ribs adjusted into place are fixed to the outer ring by bolts, thereby eliminating the displacement deviation that may occur during the adjustment process.

[0025] Optionally, the adjusting mechanism is provided in multiple groups, the connecting ribs are provided in multiple pieces, the multiple groups of adjusting mechanisms correspond one-to-one to the multiple connecting ribs, and the multiple groups of adjusting mechanisms can share one worm.

[0026] By adopting the above technical solution, the structure of multiple groups of adjustment mechanisms corresponding to multiple connecting ribs one by one enables each connecting rib to be independently adjusted in position, avoiding mutual interference between the multiple connecting ribs.

[0027] In a second aspect, the present application further provides a connection method applicable to the connection of the inclined modular steel column of the present application with the superstructure connection structure, comprising the following steps:

[0028] S1. According to the design requirements, the adjustment mechanism and positioning components are installed on the inclined steel column;

[0029] S2. According to the design requirements, the connecting ribs are set on the inclined steel columns;

[0030] S3. Use the adjustment mechanism to adjust the precise position of the connecting ribs;

[0031] S4. After each connecting rib on each inclined steel column is adjusted, use the positioning assembly to position and lock the connecting rib;

[0032] S5. Connect the adjusted inclined steel columns until a combined steel column is formed to complete the connection.

[0033] By adopting the above technical solution, the coordinated operations of adjustment and assembly are implemented in stages, systematically solving the problem of precision control of the connection between the combined steel columns and the superstructure. The combined use of the adjustment mechanism and the positioning component forms a dual technical guarantee of "precise adjustment-firm locking". The independent adjustment strategy of multiple connecting plates effectively solves the positioning problem under complex spatial angles.

[0034] In summary, this application includes at least one of the following beneficial technical effects:

[0035] 1. By configuring the inclined modular steel column and superstructure connection structure of the present application as a combination of modular steel columns and connecting ribs, multiple inclined steel columns are welded in sections to form a whole, and modular connectors are used to connect the steel columns transversely. This not only solves the problem of transporting and installing large-sized steel columns, but also enhances the structural integrity through segmented combination. The arrangement of modular connectors strengthens the coordinated force-bearing capacity between multiple inclined steel columns and effectively transmits complex loads. The connecting ribs are arranged in layers at different heights to meet the connection requirements of the superstructure in different directions. The separation and integration of multi-directional force transmission paths are achieved through spatial distribution, avoiding stress concentration at a single connection point. The connecting ribs are dispersed at different heights of the steel columns, which not only meets the special requirements of the architectural shape for the connection point location, but also reduces the weakening effect of local connections on the steel column stiffness through staggered distribution, forming a three-dimensional force transmission system. The combination of welded connections and modular connectors takes into account both construction efficiency and structural reliability. The segmented welding of multiple steel columns facilitates on-site assembly, and the modular connectors provide adjustable node stiffness. This application effectively overcomes the difficulties in assembling modular steel columns and the difficulties in connecting and adjusting the inclined modular steel columns to the superstructure.

[0036] 2. The meshing structure of the adjusting wheel and adjusting teeth in the first adjustment assembly enables precise adjustment of the connecting ribs' rotation around the inclined steel column. The combined design of the worm and worm gear drive and bevel gear drive in the second adjustment assembly achieves multi-stage reduction and transmission direction conversion. This multi-stage transmission system achieves a high transmission ratio within a limited space, ensuring adjustment accuracy while reducing the torque required for manual operation.

[0037] 3. The settings of S1, S2, S3, S4, and S5 implement coordinated adjustment and assembly operations in stages to systematically solve the problem of precision control of the connection between the composite steel columns and the superstructure. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the overall structure of an inclined combined steel column and superstructure connection structure after being connected to the superstructure in an embodiment of the present application.

[0039] Figure 2 It is a top view of a combined steel column in a connection structure of an inclined combined steel column and an upper structure in an embodiment of the present application.

[0040] Figure 3 This is a structural schematic diagram of an inclined steel column in a connection structure of an inclined combined steel column and an upper structure in an embodiment of the present application.

[0041] Figure 4 This is a connection diagram of an inclined combined steel column and superstructure connection structure in an embodiment of the present application, mainly used to show the connection between the ring beam and the tension beam.

[0042] Figure 5This is a plan view of a connecting rib in a connection structure of an inclined combined steel column and an upper structure in an embodiment of the present application, in which case the connecting rib is of a special shape.

[0043] Figure 6 This is a schematic diagram of the overall structure in Example 2 of the present application.

[0044] Figure 7 yes Figure 6 A schematic diagram from another perspective, mainly used to show the position of the adjustment mechanism and positioning components.

[0045] Figure 8 yes Figure 7 Magnified view of area A in center.

[0046] Figure 9 yes Figure 6 A schematic diagram from another perspective, mainly used to show the specific setting of the adjustment mechanism located inside the inclined steel column.

[0047] Figure 10 yes Figure 6 Structural diagram with the tilted steel columns hidden.

[0048] Description of reference numerals:

[0049] 1. Combined steel column; 2. Connecting ribs; 3. Inclined steel column; 4. Ring beam; 5. Tension beam; 6. Adjustment mechanism; 61. First adjustment component; 611. Adjustment wheel; 612. Adjustment tooth; 62. Second adjustment component; 621. Worm; 622. Worm wheel; 623. First bevel gear; 624. Second bevel gear; 7. Positioning component; 71. Positioning bolt; 72. Positioning hole; 8. Clearance groove; 9. Outer ring; 10. Extension plate; 11. Anti-slip pattern. DETAILED DESCRIPTION

[0050] The following is combined with Figure 1-10 This application is described in further detail.

[0051] The embodiments of the present application disclose a connection structure and a connection method for an inclined combined steel column and a superstructure.

[0052] It should be noted that, in the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0053] It should also be noted that in the prior art, complex steel structures often utilize a structure that connects inclined modular steel columns to upper horizontal members. This traditional connection method suffers from the complex connection structure of the modular steel columns themselves and the fixed, non-adjustable connection position to the upper structure, making it difficult to adapt to the requirements of multi-directional force transmission. When the steel columns are assembled in a multi-component configuration, on-site installation presents difficulties in transporting the individual components and ensuring overall rigidity. Furthermore, the fixed design of the connecting ribs makes it difficult to precisely connect the superstructure at different angles. To address these issues, the inventors observed the conflict between the limited transportability of the segmented steel columns on construction sites and the required overall structural rigidity. They found that the existing connection structure struggled to effectively separate the multi-directional force transmission paths. Analysis revealed that welding the steel columns in sections could resolve the transport issue, but would weaken overall rigidity. However, the use of rigid modular connectors could improve structural integrity while ensuring segmented transport. They further discovered that arranging the connecting ribs in layers at different heights could spatially separate the multi-directional force transmission paths, thereby avoiding stress concentration. This ultimately led to a collaborative design approach that combines segmented assembly with layered connection, balancing construction convenience with structural reliability.

[0054] In a first aspect, the present application provides a connection structure of an inclined combined steel column and a superstructure.

[0055] Example 1

[0056] Specifically, refer to Figure 1-Figure 3 The composite steel column 1 includes a plurality of inclined steel columns 3 and a plurality of composite connectors. The inclined steel columns 3 are divided into multiple sections according to their lengths. The multiple sections of the inclined steel columns 3 are connected by welding. The multiple inclined steel columns 3 are connected by multiple composite connectors.

[0057] The connecting ribs 2 are used to connect upper structures in different directions. A plurality of connecting ribs 2 are provided, and the plurality of connecting ribs 2 are provided at different heights of each inclined steel column 3 .

[0058] The composite steel column 1 is composed of a plurality of segmented inclined steel columns 3 welded with composite connectors, and the connecting ribs 2 are arranged in layers on each inclined steel column 3 at different heights. Among them, the segmentation of the inclined steel column 3 refers to dividing a single steel column into several standard transportation sections according to its length. Specifically, the segmentation can be achieved by flange butt joint or groove welding. The length of the segment can be determined according to the transportation conditions and lifting capacity. The composite connector refers to a transverse connecting member used to connect adjacent inclined steel columns 3. In the embodiment of the present application, H-shaped steel cross connection or box-shaped steel circumferential connection can be used. The arrangement spacing is adjusted according to the inclination angle of the steel column and the load distribution. It should be noted here that, for the sake of ease of expression, the composite connector is not specifically shown in the drawings of the present application specification, but this is relatively easy to understand for those skilled in the art. The layered arrangement of the connecting ribs 2 refers to the arrangement of multiple connecting plates at intervals in the vertical direction of a single steel column. Specifically, triangular stiffening plates or cross-shaped node plates can be used. The spacing between each layer is set according to the elevation difference of the connection point of the superstructure. Specifically, the composite steel column 1 is prefabricated in the factory and quickly assembled on site through segmented welding. The composite connector forms a rigid connection network between adjacent steel columns, effectively transmitting lateral loads and torque. The connecting ribs 2 form multiple independent force transmission nodes at different heights, and each node corresponds to the upper structure connection requirement in a specific direction. When the upper structure has multi-angle connection requirements, the connecting ribs 2 of different heights are selected for docking, so that the loads in each direction are transmitted to the main body of the composite steel column 1 through independent force transmission paths. The welded connection ensures the axis alignment accuracy of the segmented steel column, and the composite connector achieves adjustable node stiffness through bolt connection. The connecting ribs 2 are arranged in layers to form a three-dimensional force transmission system.

[0059] Compared with related technologies, traditional integral steel columns have transportation limitations and cannot adjust the connection position. This solution breaks through the transportation bottleneck through segmented combination design, and the combined connectors form a spatial grid structure that significantly improves the overall stiffness. Compared with fixed single-layer connection nodes, the layered connection ribs 2 can simultaneously meet the spatial docking requirements of multiple superstructures, avoiding local stress exceeding the standard due to excessive concentration of connection points. The combined application of segmented welding and combined connectors not only ensures construction convenience but also achieves a synergistic improvement in structural integrity. The present application realizes the convenient multi-section transportation and rapid on-site assembly of inclined combined steel columns. The combined connectors form a stable spatial force system, and the layered connection ribs 2 can adapt to the connection requirements of superstructures with different elevations and angles. This structure effectively disperses the multi-directional load transfer paths, avoids stress concentration in the node area, and reduces the difficulty of on-site construction through modular design, ensuring the connection reliability and construction efficiency of complex steel structures.

[0060] Further, refer to Figure 3-Figure 5A ring beam 4 and a tension beam 5 are also provided in the combined steel column 1. Both the ring beam 4 and the tension beam 5 are steel structures. The ring beam 4 is located between adjacent inclined steel columns 3, and the tension beam 5 is located between the spaced inclined steel columns 3. A connecting steel plate is provided on the connecting rib 2, and the ring beam 4 and the tension beam 5 are connected to the connecting steel plate by bolts.

[0061] Among them, the ring beam 4 refers to a closed frame member that connects adjacent inclined steel columns 3 laterally. Specifically, it can be realized by H-shaped steel or box-shaped steel through welding or bolting. It is used to form a force transmission ring structure between adjacent steel columns to disperse the stress of the node. The tension beam 5 refers to a linear support member that connects the spaced inclined steel columns 3 longitudinally. Specifically, it can be realized by I-shaped steel or steel pipe members through end plate connection. It is used to establish a lateral force transmission path between the spaced steel columns. The connecting steel plate refers to a standardized connection interface preset on the connecting rib 2. Specifically, it can be a rectangular steel plate with bolt holes fixed to the rib surface by welding, serving as a unified connection interface between the ring beam 4, tension beam 5 and the upper structure.

[0062] Specifically, the ring beam 4 forms a horizontal closed frame between adjacent inclined steel columns 3. Bolted to the connecting steel plates, it forms a ring-shaped force transmission path, effectively restraining the relative displacement between the steel columns. The tension beams 5 are arranged at preset intervals between the alternate steel columns and, after connecting to the connecting steel plates, form a longitudinal continuous support, enhancing the overall lateral stiffness. The connecting steel plates are configured as standardized connectors of uniform size, with their bolt hole positions determined according to structural calculations. High-strength bolts are used to enable rapid assembly of the ring beam 4 and tension beam 5. During construction, the order in which the ring beam 4 and tension beam 5 are installed can be selected, either first or last, depending on site conditions. The bolted connection method allows for fine-tuning of the position to compensate for machining errors.

[0063] Compared to related technologies, conventional inclined steel column 3 composite structures often utilize single-directional supports or integral welded frames, making it difficult to form a spatial force system and resulting in significant stress concentration at connection nodes. Existing connection interfaces often utilize non-standard designs, resulting in inefficient on-site assembly. This solution utilizes a spatial combination of ring beams 4 and tension beams 5 to form a lattice-like support system. Standardized connecting steel plates connect the components, enabling modular assembly. This optimizes force transmission paths and improves construction precision.

[0064] This application addresses the overall instability issue caused by weak internal connections in the composite steel columns 1 and clarifies the force transmission path between the inclined steel columns 3 and the superstructure. The closed-frame design of the ring beam 4 effectively disperses stress concentration at the nodes, while the spaced-apart arrangement of the tension beams 5 reduces material consumption while ensuring rigidity. The standardized design of the connecting steel plates, combined with the bolted connection method, enables adjustability and repeatability during construction, preventing welding deformation from affecting structural accuracy.

[0065] At the same time, in the embodiment of the present application, the ring beam 4, the tension beam 5 and the connecting steel plate can be connected first and / or connected later. The ring beam 4 refers to a transverse restraining member arranged between adjacent inclined steel columns 3, which can be realized by welding H-shaped steel to form a box-section structure, and its function is to maintain the stability of the cross-sectional shape of the combined steel column 1. The tension beam 5 refers to a longitudinal connecting member spanning the spaced inclined steel columns 3, which can be realized by a lattice section of double-slot steel welded back to back, which is used to enhance the overall bending stiffness of the combined steel column 1. The connecting steel plate refers to an interface component welded on the surface of the connecting rib 2, which can be realized by a Q355B steel plate with a thickness of 8-12mm, and a standardized bolt hole array is set on the surface for realizing bolt connection with the ring beam 4 and the tension beam 5. The first connection refers to the completion of the fixation of the ring beam 4 and the connecting steel plate before the steel column is assembled, and the later connection refers to the assembly of the tension beam 5 and the connecting steel plate after the steel column is hoisted as a whole;

[0066] During the segmented hoisting phase of the combined steel column 1, if the on-site hoisting equipment has limited operating space, the ring beam 4 can be pre-connected to the connecting steel plate with high-strength bolts to form a locally stable unit before the column is hoisted. When high precision is required for the steel column installation, a post-connection method can be adopted: after the verticality of multiple sections of the steel column is corrected, the tension beam 5 can be assembled using the connecting steel plate. This sequentially selectable connection method ensures that the installation of the ring beam 4 and tension beam 5 is not affected by manufacturing errors in the steel column segments. For example, if the end flange of a certain section of the steel column exhibits excessive weld deformation, the length of the post-connected tension beam 5 can be adjusted to compensate for the installation deviation. Traditional steel structure construction requires that the ring beam 4 be connected before the steel columns are assembled, resulting in a strong coupling between component machining accuracy and on-site hoisting conditions. However, this solution utilizes a reversible connection sequence design to transform the installation process of the ring beam 4 and tension beam 5 from serial to parallel construction. For example, the ring beam 4 connection nodes can be processed simultaneously during the steel column prefabrication phase, and the tension beam 5 installation position can be independently adjusted during the steel column hoisting phase, effectively eliminating the mutual constraints between the process steps.

[0067] This application solves the construction coordination problem caused by the fixed installation sequence during the connection of the composite steel column 1 to the superstructure. Specifically, when the manufacturing error of the steel column segments exceeds 3mm, the installation angle of the tension beam 5 can still be adjusted through post-connection, eliminating the need for rework and cutting correction. At the same time, it allows more than 80% of the bolt tightening work of the ring beam 4 connection node to be completed during the factory prefabrication stage, reducing the amount of overhead work by 40% and significantly improving construction safety.

[0068] The implementation principle of the inclined combined steel column and superstructure connection structure of the embodiment of the present application is as follows: by setting the inclined combined steel column and superstructure connection structure of the present application into a combination of combined steel columns 1 and connecting ribs 2, multiple inclined steel columns 3 are welded in sections to form a whole, and the steel columns are connected transversely using combined connectors, which not only solves the problem of transportation and installation of large-size steel columns, but also enhances the structural integrity through segmented combination. The arrangement of the combined connectors strengthens the coordinated force-bearing capacity between the multiple inclined steel columns 3, effectively transmits complex loads, and the connecting ribs 2 are arranged in layers at different heights to adapt to the connection requirements of the superstructure in different directions. The spatial distribution realizes the separation and integration of multi-directional force transmission paths, avoids stress concentration at a single connection point, and disperses the connecting ribs 2 at different heights of the steel columns, which not only meets the special requirements of the architectural shape for the connection point position, but also reduces the weakening effect of local connections on the steel column stiffness through staggered distribution, forming a three-dimensional force transmission system. The combination of welded connections and combined connectors takes into account both construction efficiency and structural reliability. The segmented welding of multi-section steel columns facilitates on-site assembly, and the combined connectors provide adjustable node stiffness. This application effectively overcomes the problems of difficulty in combining the combined steel columns 1 and difficulty in connecting and adjusting the inclined combined steel columns to the upper structure.

[0069] Example 2

[0070] The difference between Example 2 of the present application and Example 1 is that an adjustment mechanism 6 and a positioning assembly 7 are provided, which further enhances the adjustment capability of the connection structure of the present application.

[0071] Specifically, refer to Figure 6-Figure 8 In this embodiment, the connection structure includes an adjustment mechanism 6 and a positioning component 7. The adjustment mechanism 6 is used to adjust the position of the connecting rib 2. The adjustment mechanism 6 includes a first adjustment component 61 and a second adjustment component 62. The connecting rib 2 is rotatably connected to the inclined steel column 3, and a clearance groove 8 is provided on the connecting rib 2. The first adjustment component 61 is located in the clearance groove 8. The first adjustment component 61 can make the connecting rib 2 rotate around the inclined steel column 3. The second adjustment component 62 is used to drive the first adjustment component 61. The positioning component 7 can quickly position the connected rib 2 after adjustment.

[0072] Among them, the adjustment mechanism 6 refers to a mechanical transmission device for adjusting the spatial position of the connecting rib 2, which can be specifically implemented by a combination of gear transmission and worm wheel 622 and worm 621, and fine-tuning accuracy can be achieved through multi-stage transmission ratio control. Among them, the first adjustment component 61 refers to an actuator that directly drives the connecting rib 2 to rotate, which can be specifically implemented by an adjustment wheel 611 structure with ratchet engagement, transmitting torque through gear engagement and preventing retreat. The clearance groove 8 refers to a through-type groove structure opened in the main body of the connecting rib 2, which can be specifically implemented by a U-shaped open groove structure, providing installation space for the adjustment mechanism 6 and limiting the motion trajectory. The second adjustment component 62 refers to a power input and transmission conversion device, which can be specifically implemented by a transmission system of a worm 621 and a bevel gear, converting rotational motion into vertical transmission. The positioning component 7 refers to a fixing device for achieving rigid locking, which can be specifically implemented by a latch mechanism with threaded fastening, and achieving non-displacement locking through mechanical interlocking.

[0073] Specifically, when the angle of the connecting rib 2 needs to be adjusted, the operator inputs rotational power by driving the worm 621 in the second adjustment assembly 62. The worm 621 rotates the worm wheel 622, which in turn drives the coaxially arranged first bevel gear 623. The first bevel gear 623 meshes with the second bevel gear 624, transmitting power to the adjustment wheel 611. The ratchet on the outer periphery of the adjustment wheel 611 engages with the adjustment teeth 612 arranged annularly on the sidewalls of the clearance groove 8, driving the connecting rib 2 to rotate about the axis of the inclined steel column 3. During this process, the clearance groove 8 provides clearance for the meshing movement of the adjustment wheel 611 and the adjustment teeth 612, while also limiting the axial displacement of the adjustment wheel 611. After the angle is adjusted, the positioning bolt 71 of the positioning assembly 7 passes through the positioning hole 72 in the outer ring 9 and connects to the connecting rib 2, forming a three-point mechanical lock. This multi-stage transmission system maintains a stable adjustment position through the self-locking properties of the worm wheel 622 and worm 621. The bevel gear transmission redirects the power, allowing the operating end to be positioned conveniently for operation.

[0074] Compared with related technologies, traditional connection ribs 2 are mostly adjusted by manual prying combined with temporary support, which has the problems of low adjustment accuracy and easy rebound. This solution achieves precise angle control through a mechanical transmission system. The transmission ratio of the worm wheel 622 and the worm 621 can reach more than 1:20, and a single operation can achieve an angle adjustment of 0.1 degrees. The positioning method in the existing technology mostly adopts temporary fixation by welding. This solution adopts a detachable mechanical positioning component 7 to achieve repeated adjustment function while ensuring the fixing strength. Compared with the conventional bolt connection operation method that requires multi-directional synchronous tightening, the single-axis drive design of this solution significantly reduces the complexity of operation.

[0075] This application achieves high-precision continuous adjustment of the three-dimensional spatial angle of the connecting ribs, with an adjustment accuracy an order of magnitude higher than manual operation. By combining mechanical transmission with rigid positioning, the time required for a single adjustment is reduced to one-fifth of that of traditional methods. The unique design of the eight-way clearance groove ensures the adjustment function while effectively avoiding external structural collisions. The self-locking characteristics of the multi-stage transmission system can resist vibration interference during construction, ensuring stable and reliable adjustment position.

[0076] Furthermore, the first adjustment assembly 61 includes an adjustment wheel 611 and adjustment teeth 612. An outer ring 9 is fixedly connected to the inclined steel column 3, and an extension plate 10 is fixedly connected to the outer ring 9. The adjustment wheel 611 is rotatably connected to the extension plate 10. The adjustment teeth 612 are annularly arranged on the sidewalls of the clearance groove 8, and the ratchet of the adjustment wheel 611 engages with the adjustment teeth 612. The outer ring 9 is an annular structure fixedly mounted on the outer surface of the inclined steel column 3, which can be achieved by welding or flange connection. It is used to provide a mounting base for the extension plate 10 and enhance structural stability. The extension plate 10 is a plate-like component extending outward from the outer ring 9, which can be stamped from steel plate and used to support the rotating shaft of the adjustment wheel 611. The adjustment wheel 611 is a gear structure with a ratchet, which can be a cast or machined steel gear. The ratchet engages with the adjustment teeth 612 to transmit rotational motion. The adjusting teeth 612 refer to a rack structure arranged in an annular shape along the side wall of the clearance groove 8, which can be specifically milled or molded. The annular layout enables the connecting rib 2 to achieve continuous rotation adjustment.

[0077] Specifically, the outer ring 9 is secured to the inclined steel column 3 by welding or bolts. The extension plate 10 extends outward from the outer ring 9 to form a cantilever structure. The adjustment wheel 611 is mounted on the end of the extension plate 10 via a bearing or sleeve. When the adjustment wheel 611 is rotated by an external force, the ratchet engages with the annular adjustment teeth 612, forcing the sidewalls of the clearance groove 8 to move circumferentially, thereby driving the connecting rib 2 to rotate around the inclined steel column 3. The continuous arrangement of the annular adjustment teeth 612 allows the connecting rib 2 to be fixed at any angle without repeated disassembly or adjustment of the fixing points. The rigid connection between the outer ring 9 and the extension plate 10 ensures zero deviation during transmission.

[0078] Compared to existing technologies, traditional solutions often rely on hinges combined with manual measurement and positioning. The adjustment process requires multiple disassembly and assembly of locking components, and continuous angle adjustment is impossible. This solution, through the combination of gear meshing transmission and an annular rack, transforms rotational adjustment into precise tooth pitch control. The adjustment angle resolution is determined by the rack module. For example, with a module of 2 mm, each tooth corresponds to approximately 0.5 degrees of rotation. During transmission, the meshing action of the ratchet and adjustment tooth 612 automatically suppresses reverse slippage, preventing accidental displacement before manual locking.

[0079] The present application solves the problem that the angle adjustment of the connecting rib 2 relies on manual experience, has low adjustment accuracy and cannot be continuously positioned, and realizes high-precision continuous rotation adjustment of the connecting rib 2 around the axis of the steel column. After the adjustment is completed, the position is maintained by self-locking through the meshing structure, providing a stable reference for subsequent rapid positioning.

[0080] Furthermore, the second adjustment assembly 62 includes a worm 621, a worm wheel 622, a first bevel gear 623, and a second bevel gear 624. The worm 621 is disposed within the inclined steel column 3, the worm wheel 622 is rotatably connected to the inclined steel column 3, the first bevel gear 623 and the second bevel gear 624 are both located within the clearance groove 8, and the worm wheel 622 is coaxially arranged with the first bevel gear 623. The worm wheel 622 and the worm 621 mesh, and the first bevel gear 623 and the second bevel gear 624 mesh. The second bevel gear 624 is coaxially arranged with the adjustment wheel 611. The worm 621 is a rod-shaped transmission member with a helical tooth profile, which can be specifically made of a surface-carburized and quenched alloy steel. Power transmission and motion direction conversion are achieved through meshing with the worm wheel 622. The worm wheel 622 is a ring-shaped gear that matches the worm 621, which can be specifically made of a copper alloy cast and then finely machined. Its tooth profile forms a line contact with the helical line of the worm 621 to enhance transmission stability. The first bevel gear 623 and the second bevel gear 624 are bevel gears with intersecting axes. They can be made of carburized 20CrMnTi steel, and their right-angle meshing alters the direction of rotation by 90 degrees. The clearance groove 8 is a groove structure formed on the connecting rib 2. It can be laser cut and then polished to accommodate transmission components and provide space for movement.

[0081] Specifically, the rotational motion of the worm 621 is converted into the rotation of the first bevel gear 623 through the worm wheel 622 and the worm 621 pair. The coaxial arrangement of the worm wheel 622 and the first bevel gear 623 ensures the synchronization of power transmission. The right-angle engagement of the first bevel gear 623 and the second bevel gear 624 converts the rotation direction into a direction perpendicular to the axis of the worm 621, and the second bevel gear 624 drives the adjustment wheel 611 coaxial with it to rotate. The adjustment wheel 611 engages with the adjustment teeth 612 on the side wall of the connecting rib 2 through the ratchet, converting the rotational motion into the circumferential displacement of the connecting rib 2. The multi-stage reduction characteristics of the worm wheel 622 and the worm 621 pair allow the connecting rib 2 to produce a small angular displacement when the worm 621 is manually operated, achieving high-precision position adjustment. The self-locking characteristics of the worm 621 and the worm wheel 622 can prevent the transmission system from moving in the opposite direction under the action of external force, ensuring the stability of the position after adjustment.

[0082] This application achieves millimeter-level precision adjustment of the angular position of the connecting rib 2. During operation, the linkage control of the multi-stage transmission system can be completed by simply rotating the worm 621. The self-locking function of the transmission system eliminates the need for additional locking devices in the traditional adjustment mechanism 6, and automatically maintains a stable position after the adjustment is completed. The right-angle transmission structure separates the operating position from the execution component space, making it easier to arrange the transmission system inside the steel column and perform maintenance operations. The multi-stage reduction mechanism significantly reduces the torque required for manual operation, allowing construction personnel to complete precise adjustment operations even in a small space.

[0083] At the same time, an anti-slip groove 11 is provided on one end of the worm 621 extending out of the inclined steel column 3 .

[0084] The anti-slip grooves 11 are provided to enhance the friction during manual operation and improve the adjustment efficiency.

[0085] At the same time, there are multiple groups of adjustment mechanisms 6 and multiple connecting ribs 2. The multiple groups of adjustment mechanisms 6 correspond one to one with the multiple connecting ribs 2, and the multiple groups of adjustment mechanisms 6 can share one worm 621.

[0086] The structure in which the multiple groups of adjustment mechanisms 6 correspond to the multiple connecting ribs 2 on a one-to-one basis enables each connecting rib 2 to be independently adjusted in position, thus avoiding mutual interference between the multiple connecting ribs 2 .

[0087] Specifically, refer to Figures 8-10 The positioning assembly 7 includes a positioning bolt 71 , and a positioning hole 72 is opened on the outer ring 9 . The positioning bolt 71 can pass through the positioning hole 72 to fix the outer ring 9 to the connecting rib 2 .

[0088] It should be noted that the positioning bolt 71 is a threaded fastener, specifically a high-strength steel bolt, whose threads engage with the threaded holes in the outer ring 9 and the connecting rib 2 to form a mechanical connection. The outer ring 9 is an annular structure fixed to the surface of the inclined steel column 3, specifically installed by welding or flange connection, and serves as a positioning reference for the connecting rib 2. The positioning hole 72 is a through hole or threaded hole opened in the outer ring 9, specifically processed by drilling or laser cutting, and its position matches the adjusted installation position of the connecting rib 2.

[0089] After the connecting rib 2 is adjusted to the target position by the adjustment mechanism 6, the operator passes the positioning bolt 71 through the positioning hole 72 of the outer ring 9 and screws it into the corresponding threaded hole of the connecting rib 2. The tightening process of the bolt generates a compressive force between the connecting rib 2 and the outer ring 9, forming a rigid connection interface. The outer ring 9 serves as a fixed reference on the steel column, and its positioning hole 72 maintains a corresponding relationship with the position of the connecting rib 2 after adjustment. The through-connection of the bolt eliminates the relative displacement between the two. This mechanical locking method avoids the thermal effects of the welding process, and at the same time allows the subsequent disassembly and maintenance to be released by simply loosening the bolt.

[0090] The problem of difficult positioning of the connecting rib 2 after adjustment during the connection of the inclined modular steel column to the superstructure is solved, and the rapid locking and stable maintenance of the position of the connecting rib 2 are achieved, effectively preventing displacement deviation caused by vibration or external force during construction, and improving the assembly efficiency and connection reliability of the steel structure nodes.

[0091] Secondly, refer to Figures 1-10 The present application also provides a connection method applicable to the connection structure of the inclined combined steel column and the superstructure of the present application, comprising the following steps:

[0092] S1. According to the design requirements, the adjustment mechanism 6 and the positioning assembly 7 are installed on the inclined steel column 3;

[0093] S2. According to the design requirements, the connecting ribs 2 are set on the inclined steel columns 3;

[0094] S3, using the adjustment mechanism 6 to adjust the precise position of the connecting rib 2;

[0095] S4. After each connecting rib 2 on each inclined steel column 3 is adjusted, the connecting rib 2 is positioned and locked using the positioning assembly 7;

[0096] S5. Connect the adjusted inclined steel columns 3 until a combined steel column 1 is formed, completing the connection.

[0097] Among them, the adjustment mechanism 6 refers to a mechanical device for achieving precise adjustment of the position of the connecting rib 2, which can be specifically achieved by a combination structure of worm 621 transmission and gear meshing, and fine-tuning control is achieved by the deceleration of worm 621 by worm wheel 622. The positioning component 7 refers to a locking device for fixing the adjusted connecting rib 2, which can be specifically achieved by the combination of positioning bolts 71 and positioning holes 72 of outer ring 9, and the adjusted spatial position is maintained by mechanical locking. The connecting rib 2 refers to a force-transmitting component for connecting the upper structure, which can be specifically achieved by a steel plate structure with a clearance groove 8, and a multi-height layered arrangement is used to match the connection requirements of the upper structure in different directions.

[0098] The adjustment mechanism 6 and the positioning assembly 7 are pre-installed on a single inclined steel column 3 to form an independent adjustment unit. The connecting rib 2 is installed on the surface of the steel column by a rotational connection, and its clearance groove 8 has a built-in adjustment gear 612 wheel and worm wheel 622 transmission system. When the worm 621 is driven, the rotational motion is transmitted to the adjustment wheel 611 through the bevel gear set, thereby driving the connecting rib 2 to rotate around the axis of the steel column. The positioning bolt 71 passes through the outer ring 9 and the connecting rib 2 to form a rigid constraint, eliminating adjustment errors. After the multiple steel columns have completed independent adjustment, they are combined into an integral structure by welding to form a combined steel column 1 system with a continuous force transmission path.

[0099] Compared with existing technologies, traditional methods require repeated disassembly of assembled components to adjust the angle of the connecting plate, resulting in low efficiency and poor positioning accuracy. This method uses an integrated adjustment mechanism 6 to achieve in-situ fine-tuning of the connecting ribs 2, avoiding construction errors caused by repeated disassembly and assembly. The phased adjustment-then-assembly process design balances the precision control of individual steel columns with the overall structural coordination. The mechanical locking mechanism eliminates the risk of displacement associated with traditional temporary fixing methods.

[0100] The present application realizes the precise positioning of the connecting ribs 2 at complex spatial angles, ensuring the reliability of the force transmission path of the upper structure in multiple directions; the synergistic effect of the adjustment mechanism 6 and the positioning component 7 simplifies the construction process and reduces the error accumulation caused by manual intervention; the modular adjustment unit design enables multiple inclined steel columns 3 to be constructed in parallel, significantly improving the assembly efficiency of the modular structure.

[0101] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An inclined combined steel column and superstructure connection structure, characterized in that: include: A composite steel column (1) comprises a plurality of inclined steel columns (3) and a plurality of composite connectors, wherein the inclined steel columns (3) are divided into a plurality of sections according to their lengths, the plurality of sections of the inclined steel columns (3) are connected by welding, and the plurality of inclined steel columns (3) are connected by a plurality of composite connectors; a ring beam (4) and a tension beam (5) are further provided in the composite steel column (1), wherein the ring beam (4) and the tension beam (5) are both steel structures, the ring beam (4) is located between adjacent inclined steel columns (3), and the tension beam (5) is located between spaced inclined steel columns (3); a connecting steel plate is provided on the connecting rib (2), and the ring beam (4) and the tension beam (5) are both connected to the connecting steel plate by bolts; Connecting ribs (2) for connecting upper structures, ring beams (4) and tension beams (5) in different directions, wherein a plurality of connecting ribs (2) are provided, and the plurality of connecting ribs (2) are provided at different heights of each inclined steel column (3); The invention also includes an adjusting mechanism (6) and a positioning assembly (7), wherein the adjusting mechanism (6) is used to adjust the position of the connecting rib (2), and the adjusting mechanism (6) includes a first adjusting assembly (61) and a second adjusting assembly (62), wherein the connecting rib (2) is rotatably connected to the inclined steel column (3), and a clearance groove (8) is provided on the connecting rib (2), wherein the first adjusting assembly (61) is located in the clearance groove (8), and the first adjusting assembly (61) can make the connecting rib (2) rotate around the inclined steel column (3), and the second adjusting assembly (62) is used to drive the first adjusting assembly (61), and the positioning assembly (7) can quickly position the adjusted connecting rib (2).

2. The inclined combined steel column and superstructure connection structure according to claim 1 is characterized in that: The ring beam (4) and the connecting steel plate are fixed before the combined steel column (1) is assembled, and the tension beam (5) and the connecting steel plate are assembled after the combined steel column (1) is hoisted as a whole.

3. The inclined combined steel column and superstructure connection structure according to claim 1, characterized in that: The first adjustment component (61) includes an adjustment wheel (611) and an adjustment tooth (612), an outer ring (9) is fixedly connected to the inclined steel column (3), an extension plate (10) is fixedly connected to the outer ring (9), the adjustment wheel (611) is rotatably connected to the extension plate (10), the adjustment tooth (612) is annularly arranged on the side wall of the clearance groove (8), and the ratchet of the adjustment wheel (611) is engaged with the adjustment tooth (612).

4. The inclined combined steel column and superstructure connection structure according to claim 3 is characterized in that: The second adjustment component (62) includes a worm (621), a worm wheel (622), a first bevel gear (623) and a second bevel gear (624), wherein the worm (621) is inserted into the inclined steel column (3), the worm wheel (622) is rotatably connected to the inclined steel column (3), the first bevel gear (623) and the second bevel gear (624) are both located in the clearance groove (8), and the worm wheel (622) is coaxially arranged with the first bevel gear (623), the worm wheel (622) and the worm (621) are meshed, the first bevel gear (623) and the second bevel gear (624) are meshed, and the second bevel gear (624) is coaxially arranged with the adjustment wheel (611).

5. The inclined combined steel column and superstructure connection structure according to claim 4, characterized in that: One end of the worm (621) extending out of the inclined steel column (3) is also provided with an anti-slip groove (11).

6. The inclined combined steel column and superstructure connection structure according to claim 4, characterized in that: The positioning assembly (7) includes a positioning bolt (71), and a positioning hole (72) is provided on the outer ring (9). The positioning bolt (71) can pass through the positioning hole (72) to fix the outer ring (9) and the connecting rib (2).

7. The inclined combined steel column and superstructure connection structure according to claim 4, characterized in that: The adjusting mechanisms (6) are provided in multiple groups, the connecting ribs (2) are provided in multiple pieces, the multiple groups of adjusting mechanisms (6) correspond one-to-one to the multiple connecting ribs (2), and the multiple groups of adjusting mechanisms (6) can share one worm (621).

8. A connection method, applicable to the inclined modular steel column and superstructure connection structure according to any one of claims 3 to 7, comprising the following steps: S1. According to the design requirements, the adjustment mechanism (6) and the positioning assembly (7) are arranged on the inclined steel column (3); S2. According to the design requirements, the connecting ribs (2) are arranged on the inclined steel columns (3); S3, using the adjustment mechanism (6) to adjust the precise position of the connecting rib (2); S4. After each connecting rib (2) on each inclined steel column (3) is adjusted, the connecting rib (2) is positioned and locked using the positioning assembly (7); S5. Connect the adjusted inclined steel columns (3) until a combined steel column (1) is formed, completing the connection.

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