Steel beam column joint structure suitable for steel beams with different section heights

Abstract

The utility model relates to the technical field of building structure engineering, in particular to a steel beam column joint structure suitable for steel beams with different section heights. Comprising steel columns and steel beams. Each flange connecting piece comprises a first connecting part in bolted connection with a steel beam flange and a second connecting part in bolted connection with a steel column; the first connecting part and the second connecting part are vertically intersected to form a T-shaped bending component; the web connecting piece comprises a third connecting part in bolted connection with a steel beam web and a fourth connecting part in bolted connection with a steel column; the third connecting part and the fourth connecting part are vertically intersected to form a bent component; the corner connecting pieces are used for fixedly connecting the adjacent second connecting parts which are located on the different sides of the steel column and located at the different section heights into a whole in the horizontal direction. The steel beam column joint structure is good in overall stress, extremely high in stability and easy to install and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of building structure engineering, in particular to a steel beam-column node structure suitable for steel beams with different cross-section heights. Background Art

[0002] Steel structure building is an engineering structure formed by processing, connecting and installing steel. This technology is widely used in high-rise buildings, bridges, large factories, large-span space structures and light steel residential buildings. It has the advantages of light weight, high strength, environmental protection, energy saving and high construction efficiency. Beam-column nodes play a vital role in steel frame structures, mainly connecting beam-column components, transferring loads, maintaining the overall stability, stiffness and bearing capacity of the structure. The square steel pipe column has the same moment of inertia in both directions, no weak axis, excellent force performance, easy processing and simple installation. It is widely used in steel structures. I-beam steel beams are widely used in steel structure design. Single-sided bolts are also called blind hole bolts. They can realize the functions of single-sided installation and single-sided tightening. They are particularly suitable for the connection between square steel pipe columns and steel beams, especially those obstructed parts that cannot be crossed by hands, such as the inside of steel pipe structural components.

[0003] For example, the Chinese invention patent with the patent number of "CN108532759A" and the title of "Ring plate splicing type hollow sandwich steel tube concrete composite node and installation method" introduces a steel tube concrete composite node structure, which includes a square steel tube column, an I-shaped steel beam and a beam-column connection assembly connecting the two. The square steel tube column is connected with the T-shaped connection side plate of the round steel tube column through a T-shaped hole; the beam-column connection assembly includes two symmetrically arranged upper and lower splicing plates and a T-shaped connector arranged between the two groups of splicing plates and connecting the two; each group of splicing plates includes four identical splicing plates, the splicing plates include a horizontal part, a vertical part and a connecting ear, and a T-shaped slide is arranged on the back of the horizontal part; the T-shaped connector is provided with a T-shaped slide that cooperates with the T-shaped slide. The node structure introduced in the patent is simple, and the connection node adopts a unique outer ring plate splicing connection to realize the design concept of "strong column and weak beam". The welding of all components is completed in the factory, and all are connected on site by bolts, realizing fully assembled construction.

[0004] However, the node structure introduced in the patent also has some problems, namely, the node structure has a narrow scope of application and can only be used in scenarios where steel beams are at the same horizontal height. In general steel structure building design, due to the differences in floor loads in each interval, different steel beam cross-sectional heights corresponding to their loads are generally selected to save steel, save construction costs, and ensure the economy of construction. The square steel tube column and I-beam steel beam connection disclosed in the patent adopts a unified form of beam-column connection assembly, which can only connect steel beams of the same cross-sectional height on the four sides of the steel column, that is, only steel beams of the same cross-sectional height can be used, which greatly limits the application of the node in actual engineering. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the above-mentioned background technology and provide a steel beam-column node structure suitable for steel beams with different cross-sectional heights.

[0006] The technical solution of the utility model is: a steel beam-column node structure suitable for steel beams with different cross-sectional heights, comprising a steel column and steel beams arranged on both sides of the steel column in the horizontal direction and on both sides of the steel column in the longitudinal direction; the steel column is a square steel pipe pile arranged vertically; the steel beam is an I-shaped horizontal beam with a web arranged vertically, and the cross-sectional heights of adjacent steel beams are different, and also includes:

[0007] Flange connectors, which are disposed on the upper and lower sides of the steel beam and are used to connect the upper flange and the lower flange of the steel beam to the side of the steel column; the flange connectors include a first connection portion bolted to the steel beam flange and a second connection portion bolted to the steel column; the first connection portion and the second connection portion intersect vertically to form a T-shaped bent member;

[0008] A web connector, the web connector is located on one side of the web of the steel beam and is used to fix the web of the steel beam to the side of the steel column; the web connector includes a third connection portion bolted to the web of the steel beam and a fourth connection portion bolted to the steel column; the third connection portion and the fourth connection portion intersect vertically to form a bent member;

[0009] A corner connector is provided at the corner of the steel column and is vertically adjustable at the second connecting parts connected to both sides, and is used to fix adjacent second connecting parts located on different sides of the steel column and at different cross-sectional heights into one in the horizontal direction.

[0010] According to a steel beam-column node structure suitable for steel beams of different cross-sectional heights provided in the present application, two groups of corner connectors are arranged between two adjacent steel beams; the two groups of corner connectors are arranged along the vertical intervals and respectively connect two groups of second connection parts corresponding to the upper flanges of the steel beams and two groups of second connection parts corresponding to the lower flanges of the steel beams.

[0011] According to a steel beam-column node structure suitable for steel beams of different cross-sectional heights provided in the present application, the corner connector includes two connecting plates; the two connecting plates are vertically connected to form a bent L-shaped structure, and a clamping structure for limiting movement in non-vertical directions is arranged between the connecting plate and the second connecting part.

[0012] According to a steel beam-column node structure applicable to steel beams with different cross-sectional heights provided in the present application, the clamping structure includes:

[0013] A boss, wherein the boss is a vertical strip-shaped protruding structure provided on the second connecting portion;

[0014] A groove, wherein the groove is a slot provided on the connecting plate corresponding to the boss;

[0015] The boss is vertically inserted into the groove to fix the connecting plate and the second connecting part together in the horizontal direction.

[0016] According to a steel beam-column node structure suitable for steel beams of different cross-sectional heights provided in the present application, the boss is a raised strip structure with a conical cross-section that is large at one end away from the second connection part and small at one end close to the second connection part; the groove is a groove structure with a conical cross-section that is small at one end close to the second connection part and large at one end away from the second connection part; the boss is engaged in the groove to limit the relative displacement of the connecting plate and the second connection part in a non-vertical direction.

[0017] According to a steel beam-column node structure suitable for steel beams of different cross-sectional heights provided in the present application, tenons protruding in the horizontal direction are arranged on both sides of the boss; limiting grooves corresponding to the tenons are arranged on both sides of the groove; when the boss is engaged in the groove, the tenons extend into the limiting grooves to limit the relative displacement of the boss and the groove in the horizontal direction.

[0018] According to a steel beam-column node structure applicable to steel beams with different cross-sectional heights provided in the present application, a flange of the steel beam is connected to the steel column through two groups of flange connectors arranged in parallel.

[0019] According to a steel beam-column node structure applicable to steel beams with different cross-sectional heights provided in the present application, there is a gap between two first connecting parts arranged side by side on a flange of the steel beam.

[0020] According to a steel beam-column node structure suitable for steel beams of different cross-sectional heights provided in the present application, the third connection part is vertically connected to the middle of the fourth connection part to form a T-shaped bending member with the fourth connection part; the web end of the steel beam abuts against the fourth connection part.

[0021] According to a steel beam-column node structure applicable to steel beams with different cross-sectional heights provided in the present application, there is a gap between the fourth connecting portion and the adjacent second connecting portion in the vertical direction.

[0022] The advantages of the present application are as follows: 1. The steel beam-column node structure of the present application can be applied to steel beams of different cross-sectional heights. Steel beams of different cross-sectional heights can be stably fixed on the sides of the steel columns. The flange connectors and the web connectors can firmly fix the steel beams to the steel columns. The corner connectors can connect adjacent flange connectors on different sides of the steel columns in the horizontal direction, which can effectively transmit and dissipate the horizontal forces between adjacent steel beams. At the same time, the corner connectors of the present application can vertically adjustably connect adjacent flange connectors, which can adapt to steel beams of different cross-sectional heights. The overall assembly structure is very simple. All connectors are prefabricated in the factory and can be installed by bolts at the construction site, realizing fully assembled construction with high installation efficiency, good integrity and good economy.

[0023] 2. The present application sets two groups of corner connectors between two adjacent steel beams. The two groups of corner connectors are arranged at intervals along the vertical direction. The two groups of corner connectors correspond to two groups of flange connectors respectively, which facilitates the connection between the corner connectors and the flange connectors. The vertical adjustment between the corner connectors and the flange connectors is more convenient and has better adaptability.

[0024] 3. The corner connector of the present application has a simple structure, which is formed by two vertically intersecting connecting plates. The corner connector covers the corner position of the steel column. The corner connector is a standard component and is connected to the second connecting part through a clamping structure. The overall structure is very simple and easy to install and use.

[0025] 4. The clamping structure of the present application can conveniently connect the connecting plate and the second connecting part in the horizontal direction, and the clamping structure enables the connecting plate to be conveniently assembled to the second connecting part in the vertical direction, and the overall assembly is very simple, and at the same time, the horizontal force can be well conducted and dissipated;

[0026] 5. The boss and the groove of the present application are both conical structures, and the boss and the groove can move relative to each other in the vertical direction, so the connecting plate can be conveniently installed on the second connecting part in the vertical direction, and the conical boss and groove structure can limit the relative displacement of the connecting plate and the second connecting part in the horizontal direction, the overall assembly is simple, and the structural force transmission and dissipation effect is excellent;

[0027] 6. The combined structure of the boss and the groove of the present application may also adopt a combined structure of the tenon and the limit groove. The combined structure of the tenon and the limit groove does not affect the relative movement of the two in the vertical direction, but can limit the relative displacement of the two in the horizontal direction, and the overall structure is simple and easy to assemble;

[0028] 7. Each flange of the steel beam of the present application is fixed by two sets of flange connectors. The installation by two sets of flange connectors makes the force more clear, the connection more firm, and the formed node structure more stable;

[0029] 8. In the present application, a gap is left between the first connecting parts on the same side, which is convenient for fixing the flange connector with the flange on one hand, and on the other hand, the adjacent first connecting parts on the same side of the steel column are independent of each other, avoiding direct interference between each other, and the force of the entire node structure is clearer;

[0030] 9. The web of the steel beam of the present application is directly abutted against the fourth connection part, and is fixedly connected to the web connection piece through the third connection part. This connection method is convenient for dissipating the force of the steel beam web along the length direction, and the connection between the steel beam web and the steel column is tighter and firmer, and the overall assembly is extremely convenient;

[0031] 10. There is a gap between the upper and lower ends of the fourth connection part of the present application and the flange connection part on the same side, that is to say, the flange connection part and the web connection part on the same side are independent of each other, and are only indirectly connected through the steel beam and the steel column. Such a structure facilitates the dissipation of force and avoids the influence between the flange connection part and the web connection part.

[0032] The steel beam-column structure of the present application is simple and easy to assemble. The connecting parts used are all standard components and are installed with bolts at the construction site, realizing fully assembled construction with high installation efficiency, good integrity and good economy. At the same time, the present application adopts vertically adjustable corner connectors to connect adjacent second connecting parts, which can adapt to the actual needs of installing steel beams with different cross-sectional heights and the selection of steel beam sections under different loads, and meet the current component selection requirements in steel structure design. The overall structure has good stress resistance, strong stability, simple installation and assembly, and has great promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 : Axial view of the steel beam-column node structure of this application;

[0034] Figure 2 : Axial view of the flange connector of the present application;

[0035] Figure 3 : Axial view of the web connector of the present application;

[0036] Figure 4 : Axial view of the corner connector of the present application;

[0037] Among them: 1—steel column; 2—steel beam; 3—first connecting part; 4—second connecting part; 5—third connecting part; 6—fourth connecting part; 7—connecting plate; 8—boss; 9—groove. DETAILED DESCRIPTION

[0038] The embodiments of the present invention are described in detail below, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0039] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "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.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0041] The utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0042] The present application relates to a steel beam-column node structure suitable for steel beams of different cross-sectional heights. The steel beam-column node structure of the present application is used to connect a horizontal steel beam to a vertical steel column to form a node structure. The steel column has four sides, and a group of steel beams are installed on each side. The specifications of the steel beams can be consistent or inconsistent. The steel column 1 of the present application is a square steel pipe pile arranged vertically, and the steel beam 2 is an I-shaped horizontal beam with a web arranged vertically. The cross-sectional heights of adjacent steel beams 2 are different, and steel beams 2 are arranged on both sides of the horizontal and longitudinal sides of the steel column 1. The different cross-sectional heights of the present application refer to the inconsistent installation heights of the steel beam 2 on the side of the steel column 1. It can be a steel beam 2 of the same specification, but with different installation heights on the side of the steel column 1, or it can be a steel beam 2 of different specifications. For steel beams 2 of the same specification, there can be a vertical height difference between adjacent steel beams 2, and the flanges of adjacent steel beams 2 are not at the same horizontal height. For steel beams 2 of different specifications, one flange of adjacent steel beams 2 may be at the same level, but another flange may be at a different level, thus forming a steel beam-column node structure with different cross-sectional heights.

[0043] In order to fix the steel beam 2 to the side of the steel column 1, the present application provides flange connectors and web connectors. Figures 1 to 4 As shown, the flange connectors are disposed on the upper and lower sides of the steel beam 2, and are used to connect the upper flange and the lower flange of the steel beam 2 to the side of the steel column 1. The flange connectors include a first connection part 3 bolted to the flange of the steel beam 2 and a second connection part 4 bolted to the steel column 1. The first connection part 3 and the second connection part 4 intersect vertically to form a T-shaped bent member.

[0044] The web connector is located on one side of the web of the steel beam 2 and is used to fix the web of the steel beam 2 to the side of the steel column 1. The web connector includes a third connection part 5 bolted to the web of the steel beam 2 and a fourth connection part 6 bolted to the steel column 1. The third connection part 5 and the fourth connection part 6 intersect vertically to form a bent member.

[0045] That is to say, for a single steel beam 2, at least two sets of flange connectors and at least one set of web connectors are required to fix it to the side of the steel column 1. The flange of the steel beam 2 is fixedly connected to the first connection part 3 by bolts, the second connection part is connected to the side of the steel column 1 by a bolt structure, and the flange is fixed to the side of the steel column 1 by the flange connector; the web of the steel beam 2 is fixedly connected to the third connection part 5 by bolts, the fourth connection part 4 is connected to the side of the steel column 1 by a bolt structure, and the web is fixedly connected to the side of the steel column 1 by the web connector.

[0046] In order to connect adjacent steel beams 2 in the horizontal direction, the present application provides a corner connector between adjacent steel beams 2. The corner connector is arranged at the corner of the steel column 1 and is vertically adjustable to the second connecting part 4 connected to both sides, and is used to fix adjacent second connecting parts 4 located on different sides of the steel column 1 and at different cross-sectional heights in the horizontal direction.

[0047] When the steel beam 2 is fixed to the steel column 1 through the flange connector and the web connector, there is no direct connection between the adjacent steel beams 2, and the force conduction needs to pass through the steel column 1 to be conducted between each other. After the corner connector is installed, the corner connector fixes the flange connectors of the adjacent steel beams 2 in the horizontal direction, and the force conduction between the adjacent steel beams 2 can be transmitted through the corner connector, and the force conduction and dissipation are more efficient. At the same time, in order to adapt to the installation of steel beams 2 with different cross-sectional heights, the corner connector of the present application can be adjusted vertically, and can be adapted to the assembly of steel beams 2 with different cross-sectional heights. The inconsistent cross-sectional heights of adjacent steel beams 2 result in inconsistent heights of the installed flange connectors. The corner connector can be adapted to such installations with different heights, and the installation is extremely convenient, the operation is simple, and the applicability is excellent.

[0048] During actual assembly, first install the flange connector to the side of the steel column 1, and pass the bolts through the second connecting part 4 and the screw holes on the side of the steel column 1 to tighten the second connecting part 4 to the side of the steel column 1; according to the above steps, assemble the flange connector below the steel beam 2 to the side of the steel column 1, and then install the web connector on the steel column 1, and drive bolts into the fourth connecting part 6 of the web connector and the corresponding screw holes on the side of the steel column 1 to fix the web connector to the side of the steel column 1. Operate in sequence to assemble four groups of web connectors to the side of the steel column 1; install the steel beam 2, and drive bolts into the third connecting part 5 and the corresponding screw holes on the web of the steel beam 2 to fix the web and the third connecting part 5 as a whole, and drive bolts into the corresponding screw holes on the lower flange of the steel beam 2 and the first connecting part 3 of the flange connector installed on the steel column 1 below to fix the lower flange to the first connecting part 3 below fixed together; install the remaining flange connectors on the side of the steel column 1 above the steel beam 2, according to the above method, the bolts pass through the second connecting part 4 and the screw holes on the side of the steel column 1, tighten the second connecting part 4 to the side of the steel column 1, and drive bolts into the corresponding screw holes on the upper flange of the steel beam 2 and the first connecting part 3 of the flange connector installed on the steel column 1 above, fix the upper flange and the first connecting part 3 above together, and proceed in sequence to complete the fixed connection of the four steel beams 2 and the steel column 1; arrange corner connectors between adjacent steel beams 2, and assemble the corner connectors vertically to two adjacent groups of flange connectors on different sides of the steel column 1, adjust the vertical position of the corner connector so that the corner connector can fix the two adjacent groups of flange connectors on different sides of the steel column 1 at different cross-sectional heights in the horizontal direction as a whole, and complete the assembly of the steel beam-column node structure.

[0049] In some embodiments of the present application, the present embodiment optimizes the above-mentioned corner connector structure, specifically as follows: Figure 1 As shown, in this embodiment, two groups of corner connectors are arranged between two adjacent steel beams 2. The two groups of corner connectors are arranged vertically at intervals and respectively connect two groups of second connection parts 4 corresponding to the upper flanges of the steel beams 2 and two groups of second connection parts 4 corresponding to the lower flanges of the steel beams 2.

[0050] That is, in this embodiment, eight groups of corner connectors are arranged in the steel beam-column node structure, corresponding to the four corner positions of the steel column 1, and two groups of corner connectors are arranged at each corner position, and the two groups of corner connectors are respectively connected to the flange connector for fixing the upper flange and the flange connector for fixing the lower flange. Such an arrangement structure facilitates the installation of the corner connector, and the vertical adjustment of the corner connector relative to the second connection part is more convenient, and the assembly is simpler.

[0051] like Figure 1 and 4As shown, the structure of the corner connector of this embodiment is relatively simple. The corner connector includes two connecting plates 7, which are vertically connected to form a bent L-shaped structure. A clamping structure for limiting non-vertical movement is provided between the connecting plates 7 and the second connecting portion 4.

[0052] The two connecting plates 7 intersect vertically and just correspond to the corner position of the steel column 1, which can more conveniently fit the corner of the steel column 1. In addition, a buffer structure can be set on the inner side of the connection between the two connecting plates 7. The buffer structure is located at the corner position of the connecting plate 7 and the steel column 1 to avoid direct rigid collision between the corner connector and the side of the steel column 1, thereby avoiding damage. The connecting plate 7 is a structure parallel to the side of the steel column 1. The connecting plates 7 are fixedly connected to the corresponding second connecting parts 4 in the horizontal direction. The connecting plates 7 are vertically assembled to the second connecting parts 4 through a snap-on structure, that is, the connecting plates 7 can produce relative displacement with the second connecting parts 4 in the vertical direction, but in the horizontal direction, the two groups of second connecting parts 4 and the two connecting plates 7 are fixedly connected.

[0053] like Figure 1 , 2 4 is a schematic diagram of the clamping structure of this embodiment, which includes a boss 8 and a groove 9. The boss 8 is a vertical strip-shaped protrusion structure provided on the second connecting portion 4, and the boss 8 is arranged vertically; the groove 9 is a clamping groove provided on the connecting plate 7 corresponding to the boss 8, and the groove 9 is also arranged vertically. The boss 8 is vertically inserted into the groove 9 to fix the connecting plate 7 and the second connecting portion 4 together in the horizontal direction.

[0054] During assembly, the connecting plate 7 is placed below or above the second connecting part 4, and then the boss 8 and the groove 9 are aligned, and the boss 8 is inserted into the groove 9 vertically to snap the connecting plate 7 onto the second connecting part 4, and then the connecting plate 7 is moved vertically so that the two connecting plates 7 can simultaneously connect the two second connecting parts 4 together in the horizontal direction. The assembled connecting plate 7 only needs to be limited to the vertical height position to complete the installation of the connecting plate 7 and the second connecting part 4, that is, to complete the installation of the corner connector and the flange connector.

[0055] In order to limit the relative displacement between the boss 8 and the groove 9 in the non-vertical direction, this embodiment adopts two methods. One is as follows: Figure 2 and 4 As shown, the boss 8 is a raised strip structure with a conical cross-section that is large at one end away from the second connecting portion 4 and small at one end close to the second connecting portion 4, and the groove 9 is a conical groove structure with a cross-section that is small at one end close to the second connecting portion 4 and large at one end away from the second connecting portion 4. The boss 8 is engaged in the groove 9 to limit the relative displacement of the connecting plate 7 and the second connecting portion 4 in the non-vertical direction.

[0056] The conical boss 8 and groove 9 structure can effectively limit the boss 8 from escaping from the groove 9 in the horizontal direction. That is to say, as long as the boss 8 is inserted into the corresponding groove 9 vertically during assembly, the two are fixed as one in the horizontal direction, and the subsequent connecting plate 7 and the second connecting part 4 can be fixedly connected in the horizontal direction.

[0057] The other is that horizontally protruding tenons are provided on both sides of the boss 8, and limiting grooves corresponding to the tenons are provided on both sides of the groove 9. When the boss 8 is engaged in the groove 9, the tenons extend into the limiting grooves to limit the relative displacement of the boss 8 and the groove 9 in the horizontal direction.

[0058] The tenon is an extended structure located on the side of the boss 8, and the limiting groove corresponds to the tenon. When the boss 8 is engaged into the groove 9, the tenon is engaged in the limiting groove, which can effectively limit the relative displacement between the boss 8 and the groove 9 in the horizontal direction.

[0059] In practical applications, other forms of structures may be used, as long as the corner connector can fix adjacent second connection parts 4 on different sides of the steel column 1 together in the horizontal direction and the corner connector can be adjusted in the vertical direction.

[0060] In other embodiments of the present application, the present embodiment optimizes the above-mentioned flange connector structure. Specifically, Figure 1 As shown, a flange of the steel beam 2 of this embodiment is connected to the steel column 1 through two groups of flange connectors arranged in parallel. In order to facilitate the bolt connection between the flange and the first connecting part 3, the first connecting part 3 of the flange connector of this embodiment is located on the side of the flange of the steel beam 2 away from the web. In other words, for the upper flange, the two first connecting parts 3 connected to the upper flange are located on the upper end surface of the upper flange, and for the lower flange, the two first connecting parts 3 connected to the lower flange are located on the lower end surface of the lower flange. Such a design structure facilitates sufficient installation space when tightening the bolts between the flange and the first connecting part 3, and facilitates assembly operations.

[0061] In this embodiment, the two sets of flange connectors on the same side of the steel column 1 are independent of each other, that is, Figures 1-2 As shown, there is a gap between the two first connection parts 3 arranged side by side on a flange of the steel beam 2. There is a gap in the horizontal direction between the two second connection parts 4 on the same side of the steel column 1, and there is no direct connection relationship between them, which can avoid interference between each other and make the force of the whole structure clearer. In addition, the constructed flange connector does not need to completely correspond to the size of the steel column 1. As long as the corner formed by the flange connector can adapt to the corner of the steel column 1, there is no need for the second connection part in the flange connector to completely cover the side of the steel column 1. The flange connector can adapt to steel columns 1 of various specifications.

[0062] In actual application, the two first connecting parts 3 located on the same side of the steel column 1 are arranged side by side, located on the upper end surface of the upper flange or the lower end surface of the lower flange, and then bolts are driven into the screw holes of the flange and the first connecting part 3 to complete the fixed connection between the flange and the first connecting part 3.

[0063] In a preferred embodiment of the present application, the web connector structure is optimized. Specifically, Figure 1 and 3 As shown, the third connection part 5 of this embodiment is vertically connected to the middle of the fourth connection part 6 to form a T-shaped bending member with the fourth connection part 6 , and the web end of the steel beam 2 abuts against the fourth connection part 6 .

[0064] When connecting the web and the web connecting piece, first, the end of the web is abutted against the end face of the fourth connecting part 6, then the third connecting part 5 is fit together with the side of the web, and then bolts are driven into the corresponding screw holes on the web and the third connecting part 5 to complete the fixed connection between the web and the third connecting part 5.

[0065] The web connector and the flange connector of this embodiment are independent structures. Figure 1 As shown, there are gaps between the upper and lower ends of the fourth connection part 6 and the second connection parts 4 on the upper and lower sides of the steel beam 2. That is, there is no direct connection relationship between the web connector and the flange connector.

[0066] During actual assembly, flange connectors, web connectors and corner connectors are first manufactured in the factory. The flange connectors, web connectors and corner connectors are all standard components with uniform sizes. The flange connectors include a first connector 3 and a second connector 4. The first connector 3 is vertically fixed on the second connector 4 to form a T-shaped structure. The web connector includes a third connector 5 and a fourth connector 6. The third connector 5 is vertically fixed on the fourth connector 6 to form a T-shaped component. The corner connector includes two vertically intersecting connecting plates 7. The two connecting plates 7 are vertically fixed to each other to form an L-shaped bent component. The second connecting portion 4 is provided with a boss 8 arranged vertically, and the connecting plate 7 is provided with a groove 9 corresponding to the boss 8.

[0067] During installation, first assemble the flange connector under the steel beam 2, so that the two second connecting parts 4 are attached to the side of the steel column 1, and then drive bolts into the corresponding screw holes on the second connecting part 4 and the side of the steel column 1 to fix the second connecting part 4 to the side of the steel column 1. This is done in sequence until the eight flange connectors under the steel beam 2 are assembled with the steel column 1; install the web connector, attach the fourth connecting part 6 to the side of the steel column 1, and then drive bolts into the corresponding screw holes to fix the fourth connecting part 6 to the side of the steel column 1. Proceed in sequence until the web connectors on the four sides of the steel column 1 are fixedly connected; assemble the steel beam 2, install the steel beam 2 in the vertical direction of the web, abut the web of the steel beam 2 against the side of the fourth connection part 6, make the web fit to the third connection part 5, drive bolts into the corresponding screw holes on the third connection part 5 and the web, and fix the web and the third connection part 5 as a whole, and install in sequence until the four steel beams are fixedly connected to the four groups of web connectors respectively; on the lower flange and the corresponding third connection 5 below Drive bolts into the screw holes to connect the lower flange with the corresponding third connecting part 5 at the bottom; install the flange connector above the upper flange, so that the two second connecting parts 4 fit the side of the steel column 1, and then drive bolts into the corresponding screw holes on the second connecting part 4 and the side of the steel column 1 to fix the second connecting part 4 to the side of the steel column 1, and proceed in sequence until the eight flange connectors above the steel beam 2 are assembled with the steel column 1; at the same time, drive bolts into the screw holes on the upper flange and the corresponding third connecting part 5 at the top to fix the upper flange The edge is fixedly connected with the corresponding third connecting part 5 above; install the corner connector, align the connecting plate 7 and the second connecting part 4 vertically, align the boss 8 and the corresponding groove 9 in the vertical direction, move the connecting plate 7 vertically, insert the boss 8 into the corresponding groove 9, adjust the vertical position of the connecting plate 7 until the corner connector connects the adjacent second connecting parts 4 on different sides of the steel column 1 in the horizontal direction as a whole, and proceed in sequence until all eight groups of corner connectors are installed to complete the assembly process of the steel beam-column node structure.

[0068] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A steel beam-column node structure suitable for steel beams of different cross-sectional heights, comprising a steel column (1) and steel beams (2) arranged on both sides of the steel column (1) in the transverse direction and on both sides of the steel column (1); the steel column (1) is a square steel pipe pile arranged in the vertical direction; the steel beam (2) is an I-shaped horizontal beam with a web arranged in the vertical direction, and the cross-sectional heights of adjacent steel beams (2) are different, characterized in that: Also includes, Flange connectors, the flange connectors are disposed on the upper and lower sides of the steel beam (2) and are used to connect the upper flange and the lower flange of the steel beam (2) to the side of the steel column (1); the flange connectors include a first connecting portion (3) bolted to the flange of the steel beam (2) and a second connecting portion (4) bolted to the steel column (1); the first connecting portion (3) and the second connecting portion (4) intersect vertically to form a T-shaped bent member; A web connector, the web connector is located on one side of the web of the steel beam (2) and is used to fix the web of the steel beam (2) to the side of the steel column (1); the web connector comprises a third connecting portion (5) bolted to the web of the steel beam (2) and a fourth connecting portion (6) bolted to the steel column (1); the third connecting portion (5) and the fourth connecting portion (6) intersect vertically to form a bent member; A corner connector, the corner connector being arranged at a vertically adjustable second connector (4) connected to both sides at a corner of a steel column (1), and being used to fix adjacent second connectors (4) located at different sides of the steel column (1) and at different cross-sectional heights into one in a horizontal direction.

2. A steel beam-column node structure applicable to steel beams of different cross-sectional heights as claimed in claim 1, characterized in that: Two groups of corner connectors are provided between two adjacent steel beams (2); the two groups of corner connectors are arranged vertically at intervals to respectively connect two groups of second connecting portions (4) of the upper flanges of the corresponding steel beams (2) and two groups of second connecting portions (4) of the lower flanges of the corresponding steel beams (2).

3. A steel beam-column node structure applicable to steel beams of different cross-sectional heights as claimed in claim 2, characterized in that: The corner connector comprises two connecting plates (7); the two connecting plates (7) are vertically connected to form a bent L-shaped structure, and a clamping structure for limiting movement in a non-vertical direction is provided between the connecting plates (7) and the second connecting portion (4).

4. A steel beam-column node structure applicable to steel beams of different cross-sectional heights as claimed in claim 3, characterized in that: The clamping structure comprises: A boss (8), wherein the boss (8) is a vertical strip-shaped protruding structure arranged on the second connecting portion (4); A groove (9), wherein the groove (9) is a slot provided on the connecting plate (7) and corresponding to the boss (8); The boss (8) is inserted into the slot in the vertical direction to fix the connecting plate (7) and the second connecting portion (4) together in the horizontal direction.

5. A steel beam-column node structure applicable to steel beams of different cross-sectional heights as claimed in claim 4, characterized in that: The boss (8) is a raised strip structure with a conical cross section, which is larger at one end away from the second connection part (4) and smaller at one end close to the second connection part (4); the groove (9) is a conical groove structure with a small cross section, which is smaller at one end close to the second connection part (4) and larger at one end away from the second connection part (4); the boss (8) is engaged in the groove (9) to limit the relative displacement of the connecting plate (7) and the second connection part (4) in a non-vertical direction.

6. A steel beam-column node structure applicable to steel beams of different cross-sectional heights as claimed in claim 4, characterized in that: Tenons protruding in the horizontal direction are arranged on both sides of the boss (8); limiting grooves corresponding to the tenons are arranged on both sides of the groove (9); when the boss (8) is engaged in the groove (9), the tenons extend into the limiting grooves to limit the relative displacement of the boss (8) and the groove (9) in the horizontal direction.

7. A steel beam-column node structure applicable to steel beams of different cross-sectional heights as claimed in claim 1, characterized in that: A flange of the steel beam (2) is connected to the steel column (1) via two groups of flange connectors arranged in parallel.

8. A steel beam-column node structure applicable to steel beams of different cross-sectional heights as claimed in claim 7, characterized in that: There is a gap between the two first connecting parts (3) arranged side by side on a flange of the steel beam (2).

9. The steel beam-column node structure applicable to steel beams of different cross-sectional heights as claimed in claim 1, characterized in that: The third connecting portion (5) is vertically connected to the middle of the fourth connecting portion (6) to form a T-shaped bent member with the fourth connecting portion (6); the web end of the steel beam (2) abuts against the fourth connecting portion (6).

10. The steel beam-column node structure applicable to steel beams of different cross-sectional heights as claimed in claim 1, characterized in that: There is a gap between the fourth connecting portion (6) and the adjacent second connecting portion (4) in the vertical direction.

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