Assembly type steel structure column splicing joint

Abstract

The utility model relates to the field of building steel structures, and discloses an assembly type steel structure column splicing joint which comprises a splicing joint structure, an upper steel column and a lower steel column. The clamping plate comprises an inner clamping plate and an outer clamping plate; the outer clamping plate, the upper steel column and the inner clamping plate are fixedly connected through the first bolt, and the outer clamping plate, the lower steel column and the inner clamping plate are fixedly connected through the second bolt; the transverse partition plates comprise the upper transverse partition plate and the lower transverse partition plate, the transverse partition plates are perpendicular to the inner clamping plate, the upper transverse partition plate abuts against the top of the inner clamping plate, and the lower transverse partition plate abuts against the bottom of the inner clamping plate. Certain gaps can be reserved between the multiple inner clamping plates and between the multiple outer clamping plates, the clamping plates can adapt to and be matched with splicing joint structures of different sizes by adjusting the widths of the gaps between the clamping plates, and good disassembling performance is achieved.

Description

Technical Field

[0001] The utility model relates to the field of building steel structures, in particular to an assembled steel structure column splicing node. Background Art

[0002] As the construction industry's requirements for efficiency and environmental protection continue to increase, the application of prefabricated steel columns has become more and more widespread, becoming an important direction for the development of modern construction technology. Prefabricated steel columns are an important structural element in the field of modern construction. They are part of prefabricated buildings and are built through factory prefabrication and rapid on-site assembly. This type of column is usually made of steel and has significant advantages such as high strength, light weight, fast construction speed, and low environmental impact. It is particularly suitable for high-rise buildings, large-span spatial structures, and construction projects that need to be completed quickly.

[0003] The manufacturing and splicing of prefabricated steel structure columns follow strict standards and specifications to ensure that they have good load-bearing capacity and seismic resistance. During the production process, the columns can be customized according to the specific needs of the project, including length, cross-sectional shape, connection method, etc., to meet the needs of different building designs. At the construction site, the prefabricated columns are quickly spliced together through flange connections or sleeve connections, which greatly shortens the construction period, while also reducing noise and waste generation during the construction process, which is beneficial to environmental protection and sustainable development.

[0004] There are various ways to splice nodes of assembled steel structure columns, such as nodes connected by flanges, nodes connected by splicing plates, and nodes connected by sleeves. Among the above splicing node forms, flange connections occupy the use space of buildings; in order to consider the feasibility of installation, sleeve connections must reserve a certain width of gap between the sleeve and the pipe wall, which will cause the node to slip when subjected to a small external force. It is only suitable for connections that bear static loads and indirectly bear dynamic loads, and the size of the sleeve must strictly match the size of the pipe wall. The sleeve connection is not very applicable. Utility Model Content

[0005] The technical problem to be solved by the utility model is to solve the problem that the sleeve connection has poor applicability.

[0006] To solve the above technical problems, the utility model provides an assembled steel structure column splicing joint, including: a splicing joint structure, the splicing joint structure includes an upper steel column and a lower steel column, the upper steel column is provided with a first bolt hole, and the lower steel column is provided with a second bolt hole; a clamping plate, the clamping plate includes an inner clamping plate and an outer clamping plate, one end of the inner clamping plate is provided with a third bolt hole matching the first bolt hole, the other end of the inner clamping plate is provided with a fourth bolt hole matching the second bolt hole, one end of the outer clamping plate is provided with a fifth bolt hole matching the first bolt hole, and the other end of the outer clamping plate is provided with a sixth bolt hole matching the second bolt hole; bolts, the bolts include a first bolt and a second bolt, the first bolt is sequentially inserted into the fifth bolt hole, the first bolt hole and the third bolt hole to fixedly connect the outer clamping plate, the upper steel column and the inner clamping plate, and the second bolt is sequentially inserted into the sixth bolt hole, the second bolt hole and the fourth bolt hole to fixedly connect the outer clamping plate, the lower steel column and the inner clamping plate; a diaphragm, the diaphragm includes an upper diaphragm and a lower diaphragm, the diaphragm is perpendicular to the inner clamping plate, the upper diaphragm abuts against the top of the inner clamping plate, and the lower diaphragm abuts against the bottom of the inner clamping plate.

[0007] Furthermore, the number of the inner clamping plates is multiple, and a first gap is left between two inner clamping plates. The number of the outer clamping plates is multiple, and a second gap is left between two outer clamping plates.

[0008] Furthermore, the width of the first gap is: A = (D1 - N1d1) / N1; where A is the width of the first gap, D1 is the inner perimeter of the splicing joint structure, N1 is the number of the inner clamping plates, and d1 is the length of the inner clamping plate.

[0009] Furthermore, the width of the second gap is: B = (D2 - N2d2) / N2; where B is the width of the second gap, D2 is the outer perimeter of the splicing joint structure, N2 is the number of the outer clamping plates, and d2 is the length of the outer clamping plate.

[0010] Furthermore, the number of the inner clamping plates and the number of the outer clamping plates are both 4. The 4 inner clamping plates respectively abut against the 4 inner angles of the splicing joint structure, and the 4 outer clamping plates respectively abut against the 4 outer angles of the splicing joint structure.

[0011] Furthermore, both the inner clamping plate and the outer clamping plate are equal-angle steel.

[0012] Furthermore, fixing ridges are arranged on the inner wall of the outer clamping plate. The bottom of the fixing ridges abuts against the top of the lower steel column, and the top of the fixing ridges abuts against the bottom of the upper steel column.

[0013] Further, the upper horizontal diaphragm is welded to the inner wall of the upper steel column, and the lower horizontal diaphragm is welded to the inner wall of the lower steel column.

[0014] Further, the upper horizontal diaphragm is provided with an upper clamping groove, and the lower horizontal diaphragm is provided with a lower clamping groove. The top of the inner clamping plate is clamped with the upper clamping groove, and the bottom of the inner clamping plate is clamped with the lower clamping groove.

[0015] Further, the splicing joint structure includes at least two upper steel columns arranged in a matrix. Two adjacent upper steel columns are closely attached to each other. A lower steel column is arranged below each upper steel column. The upper steel column is connected to the lower steel column through the clamping plate.

[0016] Compared with the prior art, the assembled steel structure column splicing joint provided by the embodiment of the present invention has the beneficial effects that: the splicing joint structure is fixed by clamping with the inner clamping plate and the outer clamping plate. Compared with the splicing joint connected by the sleeve, the clamping plate can closely adhere to the pipe wall of the splicing joint structure, can directly bear dynamic loads, and the size of the clamping plate does not need to strictly match the size of the steel column like the sleeve, because a certain gap can be left between multiple inner clamping plates and between multiple outer clamping plates. By adjusting the width of the gap between the clamping plates, the clamping plates can be installed on splicing joint structures with different inner circumferences and outer circumferences, and then the clamping plates can be adapted to match splicing joint structures of different sizes. Description of the Drawings

[0017] Figure 1 is a perspective view of the assembled steel structure column splicing joint provided by the present invention;

[0018] Figure 2 is a sectional view of the assembled steel structure column splicing joint provided by the present invention;

[0019] Figure 3 is a perspective view of the inner clamping plate and the horizontal diaphragm of the assembled steel structure column splicing joint provided by the present invention;

[0020] Figure 4 is a perspective view of the inner clamping plate of the assembled steel structure column splicing joint provided by the present invention;

[0021] Figure 5 is a perspective view of the outer clamping plate of the assembled steel structure column splicing joint provided by the present invention;

[0022] Figure 6 is a perspective view of the bolt of the assembled steel structure column splicing joint provided by the present invention;

[0023] Figure 7 is a perspective view of the horizontal diaphragm of the assembled steel structure column splicing joint provided by the present invention.

[0024] Among them, the corresponding relationship between the reference numerals and the component names is as follows:

[0025] 1. Splice joint structure; 11. Upper steel column, 12. Lower steel column; 101. First bolt hole; 102. Second bolt hole;

[0026] 2. Splint; 21. Inner splint, 22. Outer splint; 201. Third bolt hole; 202. Fourth bolt hole; 203. Fifth bolt hole; 204. Sixth bolt hole;

[0027] 3. Bolt; 31. First bolt, 32. Second bolt;

[0028] 4. Diaphragm. Detailed implementation manners

[0029] The following will further describe in detail the specific implementation manners of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but not to limit the scope of the present utility model. It should be noted that: unless otherwise specifically stated, the relative arrangements and numerical values of the components and steps described in these embodiments do not limit the scope of the present utility model.

[0030] The description of at least one exemplary embodiment below is actually merely illustrative and in no way limits the present utility model or its application or use.

[0031] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the said techniques, methods and devices should be regarded as part of the description.

[0032] In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values.

[0033] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0034] As Figures 1 to 7 shown, the embodiment of the present utility model discloses an assembled steel structure column splicing joint, including: a splicing joint structure 1, a splint 2, a bolt 3 and a diaphragm 4.

[0035] Among them, there is a splicing node structure 1, which includes an upper steel column and a lower steel column. The upper steel column is provided with a first bolt 31 hole 101, and the lower steel column is provided with a second bolt 32 hole 102; a splint 2, which includes an inner splint 21 and an outer splint 22. One end of the inner splint 21 is provided with a third bolt 3 hole 201 that matches the first bolt 31 hole 101, and the other end of the inner splint 21 is provided with a fourth bolt 3 hole 202 that matches the second bolt 32 hole 102. One end of the outer splint 22 is provided with a fifth bolt 3 hole 203 that matches the first bolt 31 hole 101, and the other end of the outer splint 22 is provided with a sixth bolt 3 hole 204 that matches the second bolt 32 hole 102; a bolt 3, which includes a first bolt 31 and a second bolt 32. The first bolt 31 is sequentially inserted into the fifth bolt 3 hole 203, the first bolt 31 hole 101, and the third bolt 3 hole 201 to fixedly connect the outer splint 22, the upper steel column, and the inner splint 21. The second bolt 32 is sequentially inserted into the sixth bolt 3 hole 204, the second bolt 32 hole 102, and the fourth bolt 3 hole 202 to fixedly connect the outer splint 22, the lower steel column, and the inner splint 21; a diaphragm 4, which includes an upper diaphragm and a lower diaphragm. The diaphragm 4 is perpendicular to the inner splint 21. The upper diaphragm abuts against the top of the inner splint 21, and the lower diaphragm abuts against the bottom of the inner splint 21.

[0036] For the prefabricated steel structure column splicing node of this application, by sequentially inserting the first bolt 31 into the fifth bolt 3 hole 203, the first bolt 31 hole 101, and the third bolt 3 hole 201, one end of the outer splint 22 is fixedly connected to the outer wall of the upper steel column, and one end of the inner splint 21 is fixedly connected to the inner wall of the inner steel column. At the same time, by sequentially inserting the second bolt 32 into the sixth bolt 3 hole 204, the second bolt 32 hole 102, and the fourth bolt 3 hole 202, one end of the outer splint 22 is fixedly connected to the outer wall of the lower steel column, and one end of the inner splint 21 is fixedly connected to the inner wall of the lower steel column. By sandwiching the upper steel column and the lower steel column at both ends of the splint 2, the upper steel column and the lower steel column are stably spliced. Since the upper diaphragm abuts against the top of the inner splint 21 and the lower diaphragm abuts against the bottom of the inner splint 21, before the inner splint 21 is fixedly connected with the bolt 3, the diaphragm 4 can play a role in positioning and installing the inner splint 21, facilitating the alignment of the bolt 3 holes of the inner splint 21 and the splicing node structure 1 with the bolt 3, and improving the working efficiency of fixing the inner splint 21 on the splicing node structure 1. The design of using the splint 2 for connection makes the splicing node have good disassembly performance. When it is necessary to disassemble or replace the splicing node, only the splint 2 needs to be disassembled to conveniently separate the upper steel column and the lower steel column, which can reduce the time and cost of maintenance and replacement.

[0037] The utility model adopts bolt 3 connection mode to splice nodes, and fixes the connection by directly bolting the plywood 2 on both sides of the splicing node structure 1. Compared with the splicing node of flange connection mode, it does not need to use a flange plate with a larger area as a connection base plate, which can reduce the occupied space area. The utility model adopts bolt 3 to connect the plywood 2 to splice nodes, and fixes the splicing node structure 1 by clamping the inner plywood 21 and the outer plywood 22. In order to consider the feasibility of installation, the sleeve connection mode must reserve a certain width of gap between the sleeve and the pipe wall of the splicing node structure 1, which will cause the node to slip when subjected to a small external force. It is only suitable for connections that bear static loads and indirectly bear dynamic loads, and the size of the sleeve must strictly match the size of the pipe wall of the splicing node structure 1. Therefore, compared with the splicing nodes connected by sleeve connection, the splicing nodes connected by bolts 3 of the utility model can be tightly attached to the pipe wall of the splicing node structure 1, can directly bear the dynamic load, and the size of the splicing plate 2 does not need to strictly match the size of the steel column like the sleeve, because a certain gap can be left between the multiple inner splints 21 and the multiple outer splints 22. By adjusting the gap width between the splints 2, the splints 2 can be installed in the splicing node structures 1 with different inner circumferences and outer circumferences, so that the splints 2 can adapt to and match the splicing node structures 1 of different sizes.

[0038] Specifically, the lower diaphragm is pre-set in the lower steel column, and the inner plywood 21 is placed on the lower diaphragm and against the inner wall of the lower steel column. On this basis, an outer plywood 22 is added to the outer wall of the lower steel column, thereby adding an upper steel column to the top of the lower steel column. By fastening the plywood 2 with pressure-bearing high-strength bolts 3, the lower ends of the inner plywood 21 and the outer plywood 22 are respectively clamped on the inner wall and outer wall of the lower steel column, and the upper ends of the inner plywood 21 and the outer plywood 22 are respectively arranged on the inner wall and outer wall of the upper steel column, so that the upper steel column and the lower steel column are clamped at both ends of the plywood 2, respectively, and the upper steel column and the lower steel column are firmly spliced together. Diaphragms 4 are set at both ends of the splicing node structure 1, and the plate members in the node area are connected using pressure-bearing high-strength bolts 3, thereby enhancing the integrity of the splicing node area. The bearing capacity of the new splicing node is improved, and the ductility and energy dissipation capacity are significantly enhanced.

[0039] The connection node forms in the prefabricated steel structure are mainly divided into welding connection and bolt 3 connection. Compared with the welding connection method, the bolt 3 connection of the utility model can avoid on-site hot work, and the connection quality is easier to ensure. At the same time, the bolt 3 connection has better stress performance, fatigue resistance, high factory operation quality, and the structure can be quickly disassembled in the later stage.

[0040] During the production process, the splicing joint structure 1 can be customized according to the specific requirements of the project, including length, cross-sectional shape, connection method, etc. Moreover, the diaphragm plate 4 is pre-welded on the splicing joint structure 1, and the nuts are pre-welded on the bolt holes of the inner clamping plate 21. Pre-welding in the factory can avoid on-site welding, so as to meet the needs of different construction operations. At the construction site, the prefabricated columns are quickly spliced by means of bolt 3 connection. The bolt 3 connection does not require welding, which can simplify the construction steps, greatly shorten the construction period, and at the same time reduce the noise and waste generation during the construction process, which is beneficial to environmental protection and sustainable development.

[0041] As Figure 1 and Figure 2 shown, in an alternative embodiment of the utility model, the number of inner clamping plates 21 is multiple, and there is a first gap between two inner clamping plates 21. The number of outer clamping plates 22 is multiple, and there is a second gap between two outer clamping plates 22. By adjusting the width of the first gap between multiple inner clamping plates 21, the inner clamping plates 21 can be adapted to be installed on the splicing joint structure 1 with different inner circumferences, and then the inner clamping plates 21 can be configured with splicing joint structures 1 of different sizes. By adjusting the width of the second gap between multiple outer clamping plates 22, the outer clamping plates 22 can be adapted to be installed on the splicing joint structure 1 with different outer circumferences, and then the outer clamping plates 22 can be configured with splicing joint structures 1 of different sizes.

[0042] As Figure 2 and Figure 3 shown, in an alternative embodiment of the utility model, the width of the first gap is: A = (D1 - N1d1) / N1; where A is the width of the first gap, D1 is the inner circumference of the splicing joint structure 1, N1 is the number of inner clamping plates 21, and d1 is the length of the inner clamping plate 21; the width of the second gap is: B = (D2 - N2d2) / N2; where B is the width of the second gap, D2 is the outer circumference of the splicing joint structure 1, N2 is the number of outer clamping plates 22, and d2 is the length of the outer clamping plate 22.

[0043] By establishing the calculation formula for the width of the first gap, the size of the first gap can be known, which is convenient for designing the size of the first gap and controlling the range interval of the first gap, ensuring the bearing capacity of the splicing joint structure 1. At the same time, keeping the widths of multiple first gaps consistent can enable the upper steel column and the lower steel column to have a stable stress structure. By establishing the calculation formula for the width of the second gap, the size of the second gap can be known, which is convenient for designing the size of the second gap and controlling the range interval of the second gap, ensuring the bearing capacity of the splicing joint structure 1. At the same time, keeping the widths of multiple first gaps consistent can enable the upper steel column and the lower steel column to have a stable stress structure.

[0044] It should be particularly noted that, when both the inner plate 21 and the outer plate 22 are angle steels, the length of the inner plate 21 refers to the sum of the two side lengths, and the length of the outer plate 22 refers to the sum of the two side lengths.

[0045] like Figure 2 and Figure 4 As shown, in an optional embodiment of the utility model, the number of inner plywood 21 and the number of outer plywood 22 are both 4, and the 4 inner plywood 21 are respectively against the 4 inner corners of the spliced node structure 1, and the 4 outer plywood 22 are respectively against the 4 outer corners of the spliced node structure 1. By using four separate angle steels to form the inner plywood 21 and four separate angle steels to form the outer plywood 22, the inner corners of the spliced node structure 1 are provided with inner plywood 21, and the outer corners of the spliced node structure 1 are provided with outer plywood 22. Due to the L-shaped cross-section of the angle steel, the corner plywood 2 can effectively provide support and stability in two directions, and the load can be evenly distributed to enhance the overall connection strength of the spliced node structure 1. At the same time, the use of the outer ring plate in the flange connection can be avoided, reducing the occupation of the building space by the spliced node area, and solving the problem that the outer contour size of the sleeve in the sleeve connection needs to be slightly smaller than the inner contour size of the square steel pipe, so that the node can directly bear the dynamic load.

[0046] like Figure 2 , Figure 5 and Figure 6 As shown, in an optional embodiment of the utility model, the inner and outer plywood 21 and 22 are both equilateral angle steels. Since equilateral angle steels with equal lengths on both sides are used as the inner and outer plywood 21 and 22, the plywood of the equilateral angle steel provides uniform strength and rigidity, which helps to maintain the stability of the spliced node structure 1. This balanced mechanical property enables the equilateral angle steel to evenly distribute stress when subjected to load, reduce local stress concentration, and improve the overall stability and durability of the spliced node structure 1. The plywood 2 of the equilateral angle steel has good ductility and is not easy to break when subjected to large deformation. Under dynamic loads such as earthquakes, the plywood 2 of the equilateral angle steel can dissipate energy through plastic deformation, thereby improving the seismic performance of the spliced node structure 1. The standardized size and shape of the equilateral angle steels make them very convenient to use during construction, and the plywood 2 of the equilateral angle steel can be connected to the spliced node structure 1 by bolts 3. It has strong adaptability and is easy to quickly construct and assemble. As a standardized steel product, equilateral angle steel has the characteristics of high cost-effectiveness and high material utilization. Its production and processing are relatively simple, easy to mass produce, and help reduce engineering costs.

[0047] In an optional embodiment of the utility model, nuts are welded to the first bolt 31 hole 101 and the second bolt 32 hole 102. By pre-welding nuts to the first bolt 31 hole 101 and the second bolt 32 hole 102 of the inner clamping plate 21 in the production plant, it is not necessary to weld nuts at the construction site, thereby improving the work efficiency at the construction site. The welded nut tightly combines the nut and the inner clamping plate 21 during the welding process, which can significantly improve the connection strength, allowing the welded nut to withstand greater tensile and shear forces, and can be suitable for engineering structures subjected to large loads. At the same time, the welded nut can effectively reduce the problem of the nut loosening or falling off from the inner clamping plate 21, and can maintain a stable connection state for a long time, avoiding the occurrence of loosening and failure.

[0048] In an optional embodiment of the utility model, the inner wall of the outer splint 22 is provided with a fixed convex strip, the bottom of the fixed convex strip is against the top of the lower steel column, and the top of the fixed convex strip is against the bottom of the upper steel column. By setting the fixed convex strip on the inner wall of the outer splint 22 and the bottom of the fixed convex strip against the top of the lower steel column, it is helpful for the outer splint 22 to be against the lower steel column before the bolt 3 is tightened and fixed, and it is convenient to position the outer splint 22 so that the bolt 3 holes of the outer splint 22 match the bolt 3 holes of the lower steel column, which helps to improve the assembly accuracy of the outer splint 22 and reduce the misalignment and deviation of the bolt 3 holes. The bottom of the fixed convex strip is against the top of the lower steel column, and the top of the fixed convex strip is against the bottom of the upper steel column, so that the connection between the outer splint 22 and the steel column is more secure, which can effectively prevent the outer splint 22 from loosening and falling off, and ensure the safety and stability of the structure.

[0049] like Figure 2 and Figure 7 As shown, in an optional embodiment of the utility model, the upper diaphragm is welded to the inner wall of the upper steel column, and the lower diaphragm is welded to the inner wall of the lower steel column. By pre-welding the upper diaphragm to the inner wall of the upper steel column and the lower diaphragm to the inner wall of the lower steel column in the production plant, it is not necessary to weld the diaphragm 4 at the construction site, reducing the workload on site and increasing the construction efficiency. By welding the diaphragm 4 to the inner wall of the splicing node structure 1, the stability of the entire structure can be effectively enhanced. The tightly connected welding method can reduce the deformation and vibration of the structure when it is stressed, and can form a more solid connection between the upper and lower diaphragms and the steel column, thereby improving the bearing capacity of the entire structure and making it more able to withstand external pressure and load. On the other hand, directly welding the diaphragm 4 to the inner wall of the splicing node structure 1 avoids additional connectors and connection points, simplifies the structural design, and may reduce the size of the connecting parts, thereby saving structural space, which not only reduces the material usage of the connector, but also reduces the complexity of construction.

[0050] In an alternative embodiment of the utility model, the upper horizontal partition is provided with an upper clamping groove, and the lower horizontal partition is provided with a lower clamping groove. The top of the inner clamping plate 21 is clamped with the upper clamping groove, and the bottom of the inner clamping plate 21 is clamped with the lower clamping groove. By providing an upper clamping groove on the upper horizontal partition and a lower clamping groove on the lower horizontal partition, the top of the inner clamping plate 21 is clamped with the upper clamping groove, which helps to position the inner clamping plate 21 inside the upper steel column and facilitates the matching of the third bolt hole 201 of the inner clamping plate 21 with the first bolt hole 101 of the upper steel column. And the bottom of the inner clamping plate 21 is clamped with the lower clamping groove, which helps to position the inner clamping plate 21 inside the lower steel column and facilitates the matching of the second bolt hole 102 of the inner clamping plate 21 with the fourth bolt hole 202 of the upper steel column. At the same time, the design of the clamping groove can enhance the stability of the connection, reduce possible displacement and deformation, and ensure the overall stability of the structure; the top and bottom of the inner clamping plate 21 can be accurately clamped into the upper clamping groove and the lower clamping groove, thereby improving the assembly accuracy of the inner clamping plate 21 and reducing possible errors and deviations.

[0051] In an alternative embodiment of the utility model, the splicing joint structure 1 includes at least two upper steel columns arranged in a matrix, two adjacent upper steel columns are closely attached, and a lower steel column is provided below each upper steel column. The upper steel column is connected to the lower steel column through a clamping plate 2.

[0052] By adopting upper steel columns and lower steel columns arranged in a matrix and making them closely attached, the overall strength of the splicing joint can be significantly improved. The clamping plate 2 is arranged around the outer side of the overall structure composed of two upper steel columns. Such a design can increase the load-bearing capacity of the structure and improve its compressive and bending resistance, thereby making the splicing joint more stable and reliable. The arrangement of the upper steel column and the lower steel column and the connection method of the clamping plate 2 can enhance the rigidity of the joint. Through the close connection of the clamping plate 2 with the upper and lower steel columns, the rigidity of the splicing joint is enhanced, reducing the deformation and displacement of the joint and ensuring that the structure can remain stable when stressed. Through the arrangement of the upper steel columns and lower steel columns in a matrix and the connection method of the clamping plate 2, the layout of the splicing joint can be adjusted relatively flexibly, enabling the structure to adapt to different requirements and changing usage environments and increasing the flexibility of the structure.

[0053] The above is only the preferred embodiment of the utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the utility model, several improvements and substitutions can be made, and these improvements and substitutions should also be regarded as the protection scope of the utility model.

Claims

1. An assembled steel structure column splicing joint, characterized in that, Comprising: A splicing node structure, the splicing node structure includes an upper steel column and a lower steel column, the upper steel column is provided with a first bolt hole, and the lower steel column is provided with a second bolt hole; A splint, the splint includes an inner splint and an outer splint, one end of the inner splint is provided with a third bolt hole matching the first bolt hole, the other end of the inner splint is provided with a fourth bolt hole matching the second bolt hole, one end of the outer splint is provided with a fifth bolt hole matching the first bolt hole, and the other end of the outer splint is provided with a sixth bolt hole matching the second bolt hole; Bolts, the bolts include a first bolt and a second bolt, the first bolt is sequentially inserted into the fifth bolt hole, the first bolt hole and the third bolt hole to fixedly connect the outer splint, the upper steel column and the inner splint, and the second bolt is sequentially inserted into the sixth bolt hole, the second bolt hole and the fourth bolt hole to fixedly connect the outer splint, the lower steel column and the inner splint; A diaphragm, the diaphragm includes an upper diaphragm and a lower diaphragm, the diaphragm is perpendicular to the inner splint, the upper diaphragm abuts against the top of the inner splint, and the lower diaphragm abuts against the bottom of the inner splint.

2. The prefabricated steel structure column splicing joint according to claim 1, characterized in that, The number of the inner splints is multiple, and a first gap is left between two adjacent inner splints, the number of the outer splints is multiple, and a second gap is left between two adjacent outer splints.

3. The assembled steel structure column splicing joint according to claim 2, characterized in that, The width of the first gap is: A = (D1 - N1d1) / N1; Where A is the width of the first gap, D1 is the inner perimeter of the splicing node structure, N1 is the number of the inner splints, and d1 is the length of the inner splint.

4. The prefabricated steel structure column splicing joint according to claim 2, wherein The width of the second gap is: B = (D2 - N2d2) / N2; Where B is the width of the second gap, D2 is the outer perimeter of the splicing node structure, N2 is the number of the outer splints, and d2 is the length of the outer splint.

5. The prefabricated steel structure column splicing joint according to any one of claims 1-4, characterized in that The number of the inner splints and the number of the outer splints are both 4, and the 4 inner splints respectively abut against the 4 inner corners of the splicing node structure, and the 4 outer splints respectively abut against the 4 outer corners of the splicing node structure.

6. The fabricated steel structure column splicing joint according to claim 5, wherein, Both the inner splint and the outer splint are equal-angle steel.

7. The prefabricated steel structure column splicing joint according to claim 1, characterized in that, The inner wall of the outer splint is provided with fixed ridges, the bottom of the fixed ridges abuts against the top of the lower steel column, and the top of the fixed ridges abuts against the bottom of the upper steel column.

8. The prefabricated steel structure column splicing joint according to claim 1, wherein, The upper diaphragm is welded to the inner wall of the upper steel column, and the lower diaphragm is welded to the inner wall of the lower steel column.

9. The prefabricated steel structure column splicing joint according to claim 1, characterized in that, The upper diaphragm is provided with an upper clamping groove, the lower diaphragm is provided with a lower clamping groove, the top of the inner splint is clamped with the upper clamping groove, and the bottom of the inner splint is clamped with the lower clamping groove.

10. The prefabricated steel structure column splicing joint according to claim 1, characterized in that, The splicing node structure includes at least two upper steel columns arranged in a matrix, two adjacent upper steel columns are closely attached, a lower steel column is arranged below each upper steel column, and the upper steel column is connected to the lower steel column through the splint.

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