Rigid full-bolt connection joint of steel structure tubular column and tubular beam

Abstract

The invention provides a rigid full-bolt connection joint of a steel structure tubular column and a tubular beam, and belongs to the technical field of constructional engineering. Comprising an upper circular pipe column, a first bolt set is inserted into the bottom end of the upper circular pipe column, a lower circular pipe column is arranged at the bottom of the upper circular pipe column, the first bolt set is inserted into the top end of the lower circular pipe column, and the connecting assembly is used for connecting a circular pipe beam to the outer side of the upper circular pipe column and the outer side of the lower circular pipe column. The reinforcing inner cylinder and the connecting piece are arranged, the lower circular pipe column, the reinforcing inner cylinder and the upper circular pipe column are combined in a stacked mode, the connecting strength of the upper circular pipe column and the lower circular pipe column is improved, the overall stability of the connecting piece is guaranteed, and the reinforcing inner cylinder can improve the overall strength after the upper circular pipe column and the lower circular pipe column are connected; the circular tubular column and the circular tubular beam are connected through bolts, and the device can be applied to various practical scenes needing to be disassembled in the later period.

Description

Technical Field

[0001] The present invention relates to the technical field of construction engineering, and particularly relates to a rigid all-bolt connection node between a steel circular tube column and a steel circular tube beam. Background Art

[0002] A rigid connection can transfer the bending moment and shear force at the beam end, forming a firm connection between the beam and column, enhancing the integrity and seismic performance of the structure. Currently, when a rigid connection is made between a steel circular tube column and a steel circular tube beam, a full-welded joint is used. The welding method requires the use of special welding equipment and electrical equipment, which has a strong dependence on the equipment. Construction needs to be carried out by workers with a certificate. The welding quality is easily affected by many factors. Moreover, once a rigid connection is achieved using a welded joint, it is impossible to disassemble the steel circular tube column and the steel circular tube beam, so it cannot be applied in scenarios where disassembly is required in the later stage. Therefore, the present application provides a rigid all-bolt connection node between a steel circular tube column and a steel circular tube beam to meet the requirements. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a rigid all-bolt connection node between a steel circular tube column and a steel circular tube beam to solve the problems of unstable installation quality and inability to disassemble the existing circular tube column and circular tube beam.

[0004] To solve the above technical problems, the present invention provides the following technical solutions:

[0005] A rigid all-bolt connection node between a steel circular tube column and a steel circular tube beam, including an upper circular tube column, a first bolt group inserted at the bottom end of the upper circular tube column, a lower circular tube column provided at the bottom of the upper circular tube column, the first bolt group inserted at the top end of the lower circular tube column, and a connection component for connecting the circular tube beam to the outer sides of the upper circular tube column and the lower circular tube column, the connection component being connected to the upper circular tube column and the first bolt group respectively.

[0006] Optionally, the connection component includes a reinforcing inner cylinder inserted inside the upper circular tube column and the lower circular tube column, and a connection block fixedly connected to the outer side of the reinforcing inner cylinder.

[0007] Optionally, fan-shaped grooves adapted to the contour of the connection block are provided at the bottom end of the upper circular tube column and the top end of the lower circular tube column.

[0008] Optionally, a fourth bolt group is inserted on the outer sides of the upper circular tube column and the lower circular tube column, and the fourth bolt group is inserted inside the connection block.

[0009] Optionally, a connection reinforcing plate is fixedly connected to the inner wall of the reinforcing inner cylinder, and a reinforcing plate is fixedly connected to the inner wall of the reinforcing inner cylinder.

[0010] Optionally, a connecting member is provided on the outer sides of the upper circular pipe column and the lower circular pipe column. A positioning bolt is inserted into the interior of the connecting member, and the positioning bolt is threadedly connected to the connecting block.

[0011] Optionally, a reinforcing bolt is inserted into the top of the connecting member. A fixed disk is fixedly connected to one side of the connecting member. A first reinforcing rib is fixedly connected to one side of the fixed disk, and the first reinforcing rib is fixedly connected to one side of the connecting member.

[0012] Optionally, a positioning frame is fixedly connected to one side of the fixed disk. A fixing ring is inserted into the interior of the positioning frame, and a circular pipe beam is fixedly connected to one side of the fixing ring.

[0013] Optionally, a second reinforcing rib is fixedly connected to the outer side of the circular pipe beam, and the second reinforcing rib is fixedly connected to one side of the fixing ring.

[0014] Optionally, a second bolt group is inserted into the interiors of both the positioning frame and the fixing ring, and a third bolt group is inserted into the interiors of both the fixed disk and the fixing ring.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects:

[0016] In the above solution, by providing the reinforcing inner cylinder and the connecting member, the lower circular pipe column, the reinforcing inner cylinder, and the upper circular pipe column are combined by stacking, so that the upper circular pipe column and the lower circular pipe column can be in direct contact, and at the same time, the connecting block is clamped between the upper circular pipe column and the lower circular pipe column. Since the circular pipe beam is installed on one side of the connecting member, after the connecting member is connected to the connecting block, the overall stability of the connecting member can be ensured. And by using the reinforcing inner cylinder as a reinforcing rib, the overall strength after the connection of the upper circular pipe column and the lower circular pipe column can be improved. When connecting the circular pipe column and the circular pipe beam, bolt connection is used, so as to realize the setting of a rigid full-bolt connection node between the circular pipe column and the circular pipe beam. And because of the connection by full bolts, the installation and fixing process is simple and convenient, and it can be applied to various practical scenarios that need to be disassembled later and can be reused multiple times.

[0017] By providing the positioning frame, when installing the circular pipe beam, the circular pipe beam is positioned by inserting it into the interior of the positioning frame from top to bottom. The fixing ring is limited by the positioning frame, so as to facilitate the fixing of the fixing ring, avoid the phenomenon that the circular pipe beam is prone to shaking and difficult to position due to hoisting during the installation of the circular pipe beam. At the same time, through the limitation of the fixing ring by the positioning frame, the stability of the circular pipe beam after installation can be further improved. By positioning the circular pipe beam, the installation difficulty of the circular pipe beam can be reduced, and at the same time, the circular pipe beam will not fall during disassembly, reducing potential safety hazards. Description of the Drawings

[0018] The accompanying drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present invention and, together with the specification, are further used to explain the principles of the present invention and enable those skilled in the relevant art to implement and use the present invention.

[0019] Figure 1 It is a schematic three-dimensional structure diagram of a rigid all-bolt connection joint between a steel circular tube column and a circular tube beam;

[0020] Figure 2 It is an exploded schematic diagram of the parts of a rigid all-bolt connection joint between a steel circular tube column and a circular tube beam;

[0021] Figure 3 It is a schematic three-dimensional structure diagram of the assembly of a connection block, an upper circular tube column and a first bolt group of a rigid all-bolt connection joint between a steel circular tube column and a circular tube beam;

[0022] Figure 4 It is a partially sectional schematic diagram of the assembly of a connection block and a connecting piece;

[0023] Figure 5 It is a schematic three-dimensional structure diagram of the assembly of a fixing plate and a fixing ring;

[0024] Figure 6 It is a sectional three-dimensional structure diagram of a reinforcing inner cylinder.

[0025] Reference numerals:

[0026] 1. Upper circular tube column; 2. First bolt group; 3. Lower circular tube column; 4. Reinforcing inner cylinder; 5. Connection block; 6. Connection reinforcing plate; 7. Reinforcing plate; 8. Connecting piece; 9. Positioning bolt; 10. Reinforcing bolt; 11. Fixing plate; 12. First reinforcing rib; 13. Positioning frame; 14. Circular tube beam; 15. Fixing ring; 16. Second reinforcing rib; 17. Second bolt group; 18. Third bolt group; 19. Fourth bolt group.

[0027] As shown in the figure, in order to clearly show the structure of the embodiments of the present invention, specific structures and devices are marked in the figure, but this is only for schematic purposes and is not intended to limit the present invention to this specific structure, device and environment. Those of ordinary skill in the art can adjust or modify these devices and environments according to specific needs. Detailed implementation manners

[0028] The following describes in detail a rigid all-bolt connection joint between a steel circular tube column and a circular tube beam provided by the present invention with reference to the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. Those skilled in the art can also implement some well-known technologies in other alternative ways; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0029] It should be noted that in the specification, references to "one embodiment", "an embodiment", "exemplary embodiments", "some embodiments", etc. indicate that the described embodiments may include specific features, structures, or characteristics, but not necessarily every embodiment includes such specific features, structures, or characteristics. Additionally, when describing a specific feature, structure, or characteristic in connection with an embodiment, implementing such feature, structure, or characteristic in connection with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the relevant art.

[0030] Generally, terms can be understood, at least in part, from their use in context. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or can be used to describe a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood to not necessarily be intended to convey a set of exclusive factors, but rather, depending at least in part on the context, can alternatively allow for the existence of other factors that may not be explicitly described.

[0031] It can be understood that the meanings of "on", "above", and "over" in the present invention should be construed in the broadest manner such that "on" not only means "directly on" something, but also includes the meaning of being "on" something with intervening features or layers therebetween, and "above" or "over" not only mean "above" or "over" something, but also can include the meaning of being "above" or "over" something with no intervening features or layers therebetween.

[0032] Furthermore, spatial relative terms such as "under", "below", "lower", "above", "upper", etc. are used herein for convenience of description to describe the relationship of one element or feature to another or other elements or features, as shown in the figures. Spatial relative terms are intended to cover different orientations in the use or operation of the device in addition to the orientation depicted in the figures. The device may be oriented in other ways, and the spatial relative descriptors used herein can be interpreted accordingly.

[0033] As Figures 1 to 4As shown in the figure, an embodiment of the present invention provides a rigid all-bolt connection node for a steel circular tube column and a circular tube beam, including an upper circular tube column 1. The upper circular tube column 1 is an integrally manufactured structure, which is divided into two parts: a circular tube and a disc. Through holes penetrating through the inner wall of the circular tube are provided on the outer wall of the circular tube, and bolt holes are penetrated on the surface of the disc. A first bolt group 2 is inserted into the bolt holes of the upper circular tube column 1. The first bolt group 2 is divided into two parts: a bolt and a nut. A lower circular tube column 3 is provided at the bottom of the upper circular tube column 1. The lower circular tube column 3 has the same structure as the upper circular tube column 1, and is also an integrally manufactured structure, which is divided into two parts: a circular tube and a disc, and through holes and bolt holes are provided at the same positions. The bolt parts of the first bolt group 2 respectively penetrate through the bolt holes of the circular discs of the upper circular tube column 1 and the lower circular tube column 3 and are connected to the nut parts of the first bolt group 2. A connecting component is used to connect the circular tube beam 14 to the outside of the upper circular tube column 1 and the lower circular tube column 3. The connecting component is respectively connected to the upper circular tube column 1 and the first bolt group 2.

[0034] When manufacturing the lower circular tube column 3, the height of the lower circular tube column 3 needs to be the same as the height of the circular tube column and circular tube beam node. When manufacturing the upper circular tube column 1, it can be set according to the number of layers of the node. If it is a multi-layer node, the upper circular tube column 1 can be set with disc structures at both ends, and the height of the upper circular tube column 1 should be equal to the distance from the current node to the next node.

[0035] The connecting component includes a reinforcing inner cylinder 4 inserted inside the upper circular pipe column 1 and the lower circular pipe column 3. The outer wall diameter of the reinforcing inner cylinder 4 is in line with the inner wall diameters of the upper circular pipe column 1 and the first bolt group 2. A plurality of through holes are evenly formed through the outer wall of the reinforcing inner cylinder 4, and the diameter of the through holes of the reinforcing inner cylinder 4 is the same as that of the through holes of the upper circular pipe column 1. A connecting block 5 is fixedly connected to the outer wall of the reinforcing inner cylinder 4, and the reinforcing inner cylinder 4 and the connecting block 5 are integrally manufactured. Between the discs of the upper circular pipe column 1 and the lower circular pipe column 3, that is, a sector-shaped groove adapted to the contour of the connecting block 5 is formed at the bottom end of the upper circular pipe column 1 and the top end of the lower circular pipe column 3. The heights of the sector-shaped grooves of the upper circular pipe column 1 and the lower circular pipe column 3 are both half of the thickness of the connecting block 5. The diameter of the connecting block 5 is the same as the diameters of the discs of the upper circular pipe column 1 and the first bolt group 2. Vertical holes with the same size as the bolt holes of the upper circular pipe column 1 are formed on the surface of the connecting block 5. The bolt holes of the upper circular pipe column 1 and the lower circular pipe column 3 are inserted with a fourth bolt group 19. The fourth bolt group 19 is divided into a bolt and a nut. The bolt part of the fourth bolt group 19 is connected to the nut part of the fourth bolt group 19 by passing through the bolt holes of the upper circular pipe column 1, the vertical holes of the connecting block 5, the bolt holes of the lower circular pipe column 3 respectively, so as to fixedly connect the upper circular pipe column 1, the connecting block 5 and the lower circular pipe column 3 together. A connecting reinforcing plate 6 is fixedly connected to the inner wall of the reinforcing inner cylinder 4. The connecting reinforcing plate 6 can improve the overall strength of the reinforcing inner cylinder 4. The overall contour of the connecting reinforcing plate 6 is circular. A plurality of staggered long bars are distributed on the inner side of the connecting reinforcing plate 6. A plurality of rectangular bars are evenly distributed on the surface of the connecting reinforcing plate 6. Threaded holes equal to and coinciding with the reinforcing inner cylinder 4 are formed at one end of the rectangular bar close to the inner wall of the reinforcing inner cylinder 4. The number of the connecting reinforcing plates 6 is set to be multiple. The threaded holes of the multiple connecting reinforcing plates 6 respectively correspond to the remaining through holes of the reinforcing inner cylinder 4. A reinforcing plate 7 is fixedly connected to the inner wall of the reinforcing inner cylinder 4. The contour of the reinforcing plate 7 is circular. A plurality of staggered long bars are distributed on the inner side of the reinforcing plate 7. The multiple reinforcing plates 7 are distributed at the middle position of the reinforcing inner cylinder 4 and are evenly arranged to further improve the overall strength of the reinforcing inner cylinder 4.

[0036] By setting the reinforcing inner cylinder 4 and the connecting block 5, when connecting the circular tube column and the circular tube beam, first insert the reinforcing inner cylinder 4 into the inner wall of the lower circular tube column 3 through the top end of the lower circular tube column 3. Since the outer wall diameter of the reinforcing inner cylinder 4 is consistent with the inner wall diameters of the upper circular tube column 1 and the first bolt group 2, the reinforcing inner cylinder 4 will be closely attached to the inner wall of the lower circular tube column 3. And by engaging the connecting block 5 with the fan-shaped groove at the top end of the lower circular tube column 3, the reinforcing inner cylinder 4 and the connecting block 5 are positioned. Since the height of the fan-shaped groove at the top end of the lower circular tube column 3 is only half of the thickness of the connecting block 5, when installing the upper circular tube column 1, the connecting block 5 can also be engaged with the fan-shaped groove at the bottom end of the upper circular tube column 1, thereby positioning the upper circular tube column 1. In this way, the perforations of the upper circular tube column 1 and the lower circular tube column 3 can be made to coincide with the perforation of the reinforcing inner cylinder 4, and the bolt holes of the upper circular tube column 1 and the lower circular tube column 3 can be made to coincide with the vertical holes of the connecting block 5, enabling the bolts to be directly inserted, thus improving the convenience during installation and fixation. After completing the combination of the upper circular tube column 1, the connecting block 5, and the lower circular tube column 3, connect the bolt part of the first bolt group 2 through the bolt holes of the upper circular tube column 1 and the lower circular tube column 3 to the nut part of the first bolt group 2, thereby directly connecting and fastening the upper circular tube column 1 and the lower circular tube column 3. Then, pass the bolt part of the fourth bolt group 19 through the bolt hole of the upper circular tube column 1, the vertical hole of the connecting block 5, and the bolt hole of the lower circular tube column 3 and connect it to the nut part of the fourth bolt group 19, thereby fastening the upper circular tube column 1, the connecting block 5, and the lower circular tube column 3. By the way of staggered fastening, not only can the connection strength between the upper circular tube column 1 and the lower circular tube column 3 be ensured, but also it can be guaranteed that the reinforcing inner cylinder 4 and the connecting block 5 can be firmly fixed between the upper circular tube column 1 and the lower circular tube column 3, so that after the upper circular tube column 1, the connecting block 5, and the lower circular tube column 3 are fixedly connected, they can be in an integral state. And the strength of the reinforcing inner cylinder 4 is enhanced by the inner connecting reinforcing plate 6 and the reinforcing plate 7, so that the reinforcing inner cylinder 4 can be used as a reinforcing rib to improve the strength of the upper circular tube column 1 and the lower circular tube column 3, ensuring the strength of the upper circular tube column 1 and the lower circular tube column 3 after connection.

[0037] Such as Figures 1 to 6As shown, a connecting member 8 is provided on the outer sides of the upper circular pipe column 1 and the lower circular pipe column 3. The contour of the connecting member 8 close to the upper circular pipe column 1 is adapted to the outer contours of the upper circular pipe column 1 and the lower circular pipe column 3. A positioning bolt 9 is inserted into the interior of the connecting member 8. Threaded holes adapted to the size of the positioning bolt 9 are formed on the outer side of the connecting block 5. The positioning bolt 9 is threadedly connected to the connecting block 5. A plurality of reinforcing bolts 10 are inserted into the top and bottom of the connecting member 8. The size of the reinforcing bolts 10 is the same as the size of the threaded holes of the connecting and strengthening plate 6. The reinforcing bolts 10 at the top of the connecting member 8 are respectively threadedly connected through the perforations of the connecting member 8, the upper circular pipe column 1, the perforations of the strengthening inner cylinder 4, and the threaded holes of the connecting and strengthening plate 6. The reinforcing bolts 10 at the bottom of the connecting member 8 are respectively threadedly connected through the perforations of the connecting member 8, the lower circular pipe column 3, the perforations of the strengthening inner cylinder 4, and the threaded holes of the connecting and strengthening plate 6. One side of the connecting member 8 is fixedly connected with a fixed disk 11. The connecting member 8 and the fixed disk 11 are integrally manufactured. The fixed disk 11 is divided into a circular ring disk and a cylindrical barrel. The maximum diameter of the circular ring disk is much larger than the maximum diameter of the cylindrical barrel. The inner diameter of the circular ring disk is the same as the inner diameter of the cylindrical barrel. The cylindrical barrel part is connected to the connecting member 8. A plurality of perforations are formed on the surface of the circular ring disk of the fixed disk 11. The plurality of perforations are distributed in a circumferential array on the surface of the circular ring disk of the fixed disk 11. Arc-shaped protrusions are provided on both sides and the bottom of the circular ring disk of the fixed disk 11. A first reinforcing rib 12 is fixedly connected to the outer wall of the cylindrical barrel of the fixed disk 11. Although the fixed disk 11 and the connecting member 8 are integrally manufactured, the connection area between the fixed disk 11 and the connecting member 8 is small. The first reinforcing rib 12 can greatly improve the stability between the connecting member 8 and the fixed disk 11. The first reinforcing rib 12 is fixedly connected to one side of the connecting member 8. A positioning frame 13 is fixedly connected to one side of the fixed disk 11. The positioning frame 13 and the fixed disk 11 are integrally manufactured. The outer contour of the positioning frame 13 is adapted to the outer contour of the fixed disk 11. Positioning holes of the same size are formed at the same positions of the arc-shaped protrusions of the positioning frame 13 and the fixed disk 11. The positioning holes formed in the arc-shaped protrusions of the positioning frame 13 and the fixed disk 11 coincide. The diameter of the positioning holes formed in the arc-shaped protrusions of the fixed disk 11 is larger than the diameter of the perforations on the surface of the circular ring disk of the fixed disk 11.

[0038] A fixing ring 15 is inserted into the inner side of the positioning frame 13. Perforations that can coincide are provided at the same positions of the fixing ring 15 and the fixing disk 11. An arc-shaped protrusion is arranged on the outer side of the fixing ring 15. The outer contour of the fixing ring 15 is adapted to the inner contour of the positioning frame 13. The overall size of the fixing ring 15 is smaller than the overall size of the fixing disk 11. The same positioning holes are provided at the coinciding positions of the positioning holes of the fixing ring 15 and the positioning frame 13. A circular tube beam 14 is fixedly connected to one side of the fixing ring 15. The circular tube beam 14 and the fixing ring 15 are of an integral manufacturing structure. A second reinforcing rib 16 is fixedly connected to the outer side of the circular tube beam 14. The strength of the circular tube beam 14 and the fixing ring 15 is strengthened through the second reinforcing rib 16. The second reinforcing rib 16 is fixedly connected to one side of the fixing ring 15. Second bolt groups 17 are inserted into both the positioning frame 13 and the fixing ring 15. The second bolt groups 17 are divided into bolts and nuts. The size of the bolt part is consistent with the size of the positioning holes of the fixing ring 15. The bolt part of the second bolt group 17 is connected to the nut part of the second bolt group 17 by passing through the positioning holes of the arc-shaped protrusions of the positioning frame 13, the fixing ring 15, and the fixing disk 11 respectively. Third bolt groups 18 are inserted into both the fixing disk 11 and the fixing ring 15. The third bolt groups 18 are divided into bolts and nuts. The same perforations are provided at the coinciding positions of the perforations on the surface of the circular disk of the fixing ring 15 and the fixing disk 11. The size of the bolt part of the third bolt group 18 is the same as the size of the perforations on the surface of the circular disk of the fixing disk 11. The bolt part of the third bolt group 18 is connected to the nut part of the third bolt group 18 by passing through the perforations of the fixing ring 15 and the fixing disk 11.

[0039] By providing the connecting member 8 and the fixing disk 11, since the contour on one side of the connecting member 8 is adapted to the outer contours of the upper circular tube column 1 and the lower circular tube column 3, when the positioning bolt 9 passes through the connecting member 8 and is threadedly connected to the connecting block 5, the connecting member 8 can be closely attached to the upper circular tube column 1 and the lower circular tube column 3. By sleeving the connecting member 8 on the outer sides of the disks of the upper circular tube column 1 and the lower circular tube column 3, the vertical bearing capacity of the connecting member 8 can be improved. By respectively passing a plurality of reinforcing bolts 10 through the connecting member 8, the perforations of the upper circular tube column 1, the perforations of the lower circular tube column 3, and the perforations of the reinforcing inner cylinder 4 and threadedly connecting them to the threaded holes of the connecting and reinforcing plate 6, the overall firmness of the connecting member 8 can be improved. By connecting and fastening the connecting member 8, the upper circular tube column 1, the lower circular tube column 3, the connecting block 5, the reinforcing inner cylinder 4, and the connecting and reinforcing plate 6 to echo each other, the bearing strength of the connecting member 8 can be significantly improved. When it is necessary to connect the circular tube column to a plurality of circular tube beams, a plurality of connecting members 8 need to be installed. The plurality of connecting members 8 can be sleeved on the outer sides of the disks of the upper circular tube column 1 and the lower circular tube column 3 in a circumferential shape, thereby further improving the connection strength between the upper circular tube column 1 and the lower circular tube column 3.

[0040] After the fastening installation of the connecting member 8 is completed, the circular tube beam 14 can be installed. By lifting the circular tube beam 14, the fixing ring 15 is positioned at the corresponding position on one side of the fixing plate 11, so that the arc-shaped protrusions on the outer side of the fixing ring 15 correspond to the arc-shaped protrusions on the outer side of the fixing plate 11, and are inserted into the inner side of the positioning frame 13 from top to bottom. By limiting the fixing ring 15 through the positioning frame 13, the positioning holes of the positioning frame 13, the fixing ring 15, and the fixing plate 11 can be made to coincide, thereby facilitating the fixation of the fixing ring 15. After the bolt part of the second bolt group 17 passes through the positioning holes of the positioning frame 13, the fixing ring 15, and the fixing plate 11 and is connected to the nut part of the second bolt group 17, the circular tube beam 14 can be pre-positioned, thereby avoiding the phenomenon that the circular tube beam 14 is prone to shaking and difficult to position during the installation of the circular tube beam 14 due to hoisting. At this time, the installation of the circular tube beam 14 can be completed through the third bolt group 18. The bolt part of the third bolt group 18 passes through the through holes of the fixing ring 15 and the fixing plate 11 and is connected to the nut part of the third bolt group 18 to complete the installation and fixation of the circular tube beam 14 and improve the stability of the circular tube beam 14. At the same time, by limiting the fixing ring 15 through the positioning frame 13, the stability of the circular tube beam 14 can be further improved, thereby realizing the setting of the rigid all-bolt connection node between the circular tube column and the circular tube beam. And because the connection is made through all bolts, the installation and fixation process is simple and convenient, and it can be applied to a variety of practical scenarios that need to be disassembled later, can be reused multiple times, and has little modification to the existing circular tube column and circular tube beam, and is still easy to manufacture. Moreover, the overall of the strengthened inner cylinder 4 and the overall of the connecting member 8 are also easy to manufacture and are convenient for large-scale use. By positioning the circular tube beam, the installation difficulty of the circular tube beam can be reduced, and at the same time, the circular tube beam will not fall during disassembly, reducing potential safety hazards.

[0041] The working principle of the technical solution provided by the present invention is as follows:

[0042] When rigidly connecting a circular pipe column and a circular pipe beam with all bolts, first insert the reinforcing inner cylinder 4 through the top end of the lower circular pipe column 3 into the inner wall of the lower circular pipe column 3, and position the reinforcing inner cylinder 4 and the connecting block 5 by engaging the connecting block 5 with the sector-shaped groove at the top end of the lower circular pipe column 3. Since the height of the sector-shaped groove at the top end of the lower circular pipe column 3 is only half of the thickness of the connecting block 5, when installing the upper circular pipe column 1, the upper circular pipe column 1 can also be positioned by engaging the connecting block 5 with the sector-shaped groove at the bottom end of the upper circular pipe column 1. After completing the combination of the upper circular pipe column 1, the connecting block 5, and the lower circular pipe column 3, connect the bolt part of the first bolt group 2 through the bolt holes of the upper circular pipe column 1 and the lower circular pipe column 3 with the nut part of the first bolt group 2, so as to directly connect and fasten the upper circular pipe column 1 and the lower circular pipe column 3. Then, connect the bolt part of the fourth bolt group 19 through the bolt hole of the upper circular pipe column 1, the vertical hole of the connecting block 5, and the bolt hole of the lower circular pipe column 3 with the nut part of the fourth bolt group 19, so as to fasten the upper circular pipe column 1, the connecting block 5, and the lower circular pipe column 3. The method of staggered fastening can not only ensure the connection strength between the upper circular pipe column 1 and the lower circular pipe column 3, but also ensure that the reinforcing inner cylinder 4 and the connecting block 5 can be firmly fixed between the upper circular pipe column 1 and the lower circular pipe column 3. By sleeving the connecting piece 8 on the outer sides of the discs of the upper circular pipe column 1 and the lower circular pipe column 3, and then passing the positioning bolt 9 through the connecting piece 8 and threadedly connecting it with the connecting block 5, the positioning of the connecting piece 8 is completed, improving the convenience of subsequent fixing of the connecting piece 8. By respectively passing multiple reinforcing bolts 10 through the perforations of the connecting piece 8, the upper circular pipe column 1, the lower circular pipe column 3, and the reinforcing inner cylinder 4 and threadedly connecting them with the threaded holes of the connecting and reinforcing plate 6, the firmness of the overall fixation of the connecting piece 8 can be improved. By lifting the circular pipe beam 14 and inserting it into the inner side of the positioning frame 13 from top to bottom, limiting the fixing ring 15 through the positioning frame 13, and connecting the bolt part of the second bolt group 17 through the positioning holes of the positioning frame 13, the fixing ring 15, and the fixing disc 11 with the nut part of the second bolt group 17, the circular pipe beam 14 can be pre-positioned. Connect the bolt part of the third bolt group 18 through the perforations of the fixing ring 15 and the fixing disc 11 with the nut part of the third bolt group 18 to complete the installation and fixation of the circular pipe beam 14 and improve the stability of the circular pipe beam 14. In this way, the setting of the rigid all-bolt connection joint between the circular pipe column and the circular pipe beam is realized, and since it is connected by all bolts, it can be applied to various practical scenarios that need to be disassembled later.

[0043] This invention covers any substitutions, modifications, equivalent methods, and solutions made within the essence and scope of this invention. To enable the public to have a thorough understanding of this invention, specific details are described in detail in the above preferred embodiments of this invention. However, those skilled in the art can fully understand this invention without the description of these details. Additionally, to avoid unnecessary confusion to the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0044] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A rigid all-bolt connection joint between a steel circular tube column and a circular tube beam, characterized in that, It includes an upper circular pipe column, at the bottom end of which a first bolt group is inserted. There is a lower circular pipe column at the bottom of the upper circular pipe column, and the first bolt group is inserted into the top end of the lower circular pipe column. A connecting component, which is used to connect the circular pipe beam to the outside of the upper circular pipe column and the lower circular pipe column, and the connecting component is respectively connected to the upper circular pipe column and the first bolt group.

2. The rigid all-bolt connection joint between the steel circular pipe column and the circular pipe beam according to claim 1, wherein The connecting component includes a reinforcing inner cylinder inserted into the inner sides of the upper circular pipe column and the lower circular pipe column, and a connecting block is fixedly connected to the outside of the reinforcing inner cylinder.

3. The rigid all-bolt connection joint between the steel circular tube column and the circular tube beam according to claim 2, characterized in that, Sector-shaped grooves adapted to the contour of the connecting block are provided at the bottom end of the upper circular pipe column and the top end of the lower circular pipe column.

4. The rigid all-bolt connection joint between the steel circular tube column and the circular tube beam according to claim 3, wherein, Fourth bolt groups are inserted into the outer sides of the upper circular pipe column and the lower circular pipe column, and the fourth bolt groups are inserted into the inside of the connecting block.

5. The rigid all-bolt connection joint between the steel circular tube column and the circular tube beam according to claim 2, wherein A connecting reinforcing plate is fixedly connected to the inner wall of the reinforcing inner cylinder, and a reinforcing plate is fixedly connected to the inner wall of the reinforcing inner cylinder.

6. The rigid full-bolt connection joint between the steel circular tube column and the circular tube beam according to claim 4, wherein, There is a connecting piece on the outer sides of the upper circular pipe column and the lower circular pipe column. A positioning bolt is inserted into the inside of the connecting piece, and the positioning bolt is threadedly connected to the connecting block.

7. The rigid all-bolt connection joint between the steel circular tube column and the circular tube beam according to claim 6, characterized in that, A reinforcing bolt is inserted into the top of the connecting piece. A fixing plate is fixedly connected to one side of the connecting piece, and a first reinforcing rib is fixedly connected to one side of the fixing plate, and the first reinforcing rib is fixedly connected to one side of the connecting piece.

8. The rigid all-bolt connection joint between the steel circular tube column and the circular tube beam according to claim 7, characterized in that, A positioning frame is fixedly connected to one side of the fixing plate. A fixing ring is inserted into the inside of the positioning frame, and a circular pipe beam is fixedly connected to one side of the fixing ring.

9. The rigid all-bolt connection joint between the steel circular tube column and the circular tube beam according to claim 8, characterized in that, A second reinforcing rib is fixedly connected to the outside of the circular pipe beam, and the second reinforcing rib is fixedly connected to one side of the fixing ring.

10. The rigid full-bolt connection joint between the steel circular tube column and the circular tube beam according to claim 8, characterized in that, Second bolt groups are inserted into the inside of the positioning frame and the fixing ring, and third bolt groups are inserted into the inside of the fixing plate and the fixing ring.

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