Connecting structure of square steel pipe column and H-shaped steel beam

Abstract

The utility model relates to a steel structure connecting piece, in particular to a connecting structure of a square steel pipe column and an H-shaped steel beam. Comprising square steel pipe columns, H-shaped steel beams and connecting pieces connected between the square steel pipe columns and the H-shaped steel beams. The end part of the square steel pipe column is fixedly connected with a first flange plate; the connecting piece comprises a supporting pipe, a second flange plate, an adjusting pipe, an extending piece and two H-shaped beam supporting pieces. The two ends of the supporting pipe are fixedly connected with the second flange plates respectively, and the first flange plates are detachably connected with the corresponding second flange plates through fasteners. The supporting pipe is sleeved with the adjusting pipe, and the adjusting pipe can rotate in the circumferential direction of the outer circumferential face of the supporting pipe. The H-shaped steel beam can be locked and fixed after being adjusted to any preset angle according to actual engineering requirements by arranging the adjusting pipe capable of rotating around the supporting pipe in the circumferential direction and being matched with the positioning screw and the multiple sets of screw holes in the supporting pipe, and the limitation that a traditional joint is only suitable for fixed-angle connection is effectively overcome.

Description

Technical Field

[0001] This utility model relates to a steel structure connector, and more particularly to a connection structure between a square steel pipe column and an H-shaped steel beam. Background Technology

[0002] In prefabricated steel structure building systems, the connection method of beam-column joints directly affects the overall performance, construction efficiency, and disassembly capability of the structure. Traditional steel structure joints mostly adopt on-site welding, which has problems such as long construction cycle, quality being greatly affected by the environment, difficulty in adjusting the installation angle, and difficulties in later maintenance or modification. Especially in complex spatial structures that require multi-directional connections or non-orthogonal arrangements, existing connection joints often lack sufficient flexibility and adaptability.

[0003] Square steel tubular columns, with their advantages of high torsional stiffness and simple appearance, are widely used in high-rise and multi-story steel structure buildings, while H-beams, due to their wide flanges, thin webs, and high load-bearing efficiency, are often used for primary and secondary beams. However, achieving an efficient, reliable, adjustable, and easy-to-assemble connection between square steel tubular columns and H-beams remains a technical challenge that urgently needs to be addressed in engineering practice. Existing connection structures often fail to meet the multiple requirements of angle adjustment, rapid installation, and reusability, thus hindering the further promotion of prefabricated steel structures.

[0004] Therefore, there is an urgent need to develop a new type of connection structure that is structurally sound, easy to install, has an adjustable angle, and requires no on-site welding, in order to meet the high standards of standardized, modular, and green construction required by modern prefabricated buildings. Utility Model Content

[0005] In order to overcome the shortcomings of traditional square steel tube column and H-beam connection nodes that rely on on-site welding, have non-adjustable angles, are inconvenient to install, and are difficult to reuse, the technical problem of this utility model is to provide a connection structure between square steel tube columns and H-beams that does not require welding, has flexible angle adjustment, is easy to assemble quickly, and can be disassembled and reused.

[0006] The technical implementation scheme of this utility model is as follows: a connection structure between a square steel pipe column and an H-shaped steel beam, including a square steel pipe column, an H-shaped steel beam, and a connector connecting the two; a first flange plate is fixedly connected to the end of the square steel pipe column; the connector includes a support pipe, a second flange plate, an adjusting pipe, an extension, and two H-shaped beam supports; the two ends of the support pipe are respectively fixedly connected to the second flange plate, and the first flange plate and the corresponding second flange plate are detachably connected by fasteners; the adjusting pipe is sleeved outside the support pipe and can rotate circumferentially along the outer circumferential surface of the support pipe; the outer wall of the adjusting pipe is detachably connected to the two H-shaped beam supports through the extension, and a slot for inserting the end of the H-shaped steel beam is formed between the two H-shaped beam supports, and the H-shaped beam supports and the H-shaped steel beam are detachably connected by fasteners.

[0007] More preferably, both the first flange plate and the second flange plate are provided with a plurality of corresponding flange holes, and the fastener is a high-strength bolt, which passes through the flange holes to fix the first flange plate and the second flange plate together.

[0008] More preferably, through holes are provided on the upper and lower flange plates at the ends of the H-beam, and first connecting holes are provided on the upper and lower sides of the H-beam support. The H-beam and the H-beam support are fixed by high-strength bolts passing through the through holes and the first connecting holes.

[0009] More preferably, the extension is fixedly connected with multiple threaded rods, and the H-beam support is provided with a second connecting hole at one end near the extension, which corresponds to the position of the threaded rod. Each threaded rod passes through the corresponding second connecting hole and is locked with a nut to achieve a detachable connection between the H-beam support and the extension.

[0010] More preferably, it also includes a round tube and a positioning screw. The round tube is embedded and fixed on the adjusting tube, and the positioning screw is inserted into the round tube. The wall of the supporting tube is provided with a plurality of screw holes that are adapted to the positioning screw at equal intervals along the circumference, which are used to lock and position the adjusting tube by screwing the positioning screw into the screw holes after the adjusting tube is rotated to a predetermined angle.

[0011] More preferably, the two H-beam supports have an inclined surface at one end facing each other, and the inclined surface gradually approaches the other end from the insertion end of the H-beam to form a V-shaped guide opening to guide the H-beam to be smoothly inserted into the slot.

[0012] More preferably, the outer wall of the regulating pipe is provided with horizontally and vertically arranged reinforcing ribs to enhance the structural rigidity and load-bearing capacity of the regulating pipe.

[0013] Compared with the prior art, the present invention has the following advantages: 1. By setting an adjusting tube that can rotate around the support tube, and cooperating with the positioning screw and multiple sets of screw holes on the support tube, the present invention can adjust the H-beam to any predetermined angle and lock it in place according to the actual engineering requirements, which effectively solves the limitation that traditional nodes are only suitable for fixed angle connections and is suitable for complex spatial layouts.

[0014] 2. The two H-beam support components are equipped with V-shaped inclined guide openings at the inlet ends, which can automatically center and guide the H-beam during insertion, significantly reducing the difficulty of on-site alignment and improving installation accuracy and efficiency. They are especially suitable for high-altitude or confined working spaces.

[0015] 3. The detachable connection between the H-beam support and the extension allows for the smooth installation and reliable fixation of the H-beam in confined spaces by temporarily disassembling one side of the H-beam support, thus improving the construction adaptability and assembly convenience of the joint under limited conditions. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is an exploded view of the present invention.

[0018] Figure 3 This is an exploded view of the support tube, adjusting tube, and positioning screw of this utility model.

[0019] Figure 4 This is a top view of the connector of this utility model.

[0020] Figure 5 This is a structural schematic diagram of the support tube, adjustment tube, H-beam support component, and positioning screw of this utility model.

[0021] The meanings of the reference numerals in the figure are as follows: 1. Square steel pipe column; 11. First flange plate; 2. Connector; 21. Support pipe; 22. Second flange plate; 23. Adjusting pipe; 24. Extension; 241. Threaded rod; 242. Nut; 25. H-beam support; 251. First connecting hole; 252. Second connecting hole; 26. Slot; 27. V-shaped guide port; 3. H-beam; 31. Through hole; 4. Round pipe; 5. Positioning screw; 6. Screw hole. Detailed Implementation

[0022] Although this invention may be described with respect to a particular application or industry, those skilled in the art will recognize its broader applicability. Those skilled in the art will understand that terms such as "above," "below," "upward," "downward," etc., are used to describe the drawings and not to indicate a limitation on the scope of the invention as defined by the appended claims. Any numerical designations such as "first" or "second" are merely illustrative and not intended to limit the scope of the invention in any way.

[0023] A connection structure between a square steel tube column and an H-beam, such as Figures 1-5As shown, this structure is suitable for the rapid installation and flexible adjustment of beam-column joints in prefabricated steel structure buildings. The structure consists of square steel tube columns 1, H-beams 3, and connecting components 2 positioned between them. The entire structure is connected using high-strength bolts, eliminating the need for on-site welding and facilitating factory prefabrication and on-site assembly. A first flange plate 11 is welded to both ends of the square steel tube column 1. The connecting component 2 includes a support pipe 21, a second flange plate 22, an adjusting pipe 23, an extension 24, and two H-beam support components 25. The upper and lower ends of the support pipe 21 are respectively welded with second flange plates 22, whose flange holes correspond perfectly to the flange holes of the first flange plate 11. During installation, the first flange plate 11 and the second flange plate 22 are aligned and tightened with high-strength bolts to achieve a stable connection between the square steel tube column 1 and the connecting component 2. The adjusting pipe 23 is fitted over the support pipe 21, with a small gap between its inner wall and the outer wall of the support pipe 21, allowing the adjusting pipe 23 to rotate freely around the support pipe 21. When the building layout requires the H-beam 3 to be adjusted at an angle and connected to the square steel column 1, the adjusting pipe 23 can be rotated to the required angle first, and then the H-beam 3 can be installed to adapt to different angle installation requirements.

[0024] Furthermore, to ensure the stability of the angle after adjustment by the adjusting tube 23, three circular tubes 4 are embedded vertically in the wall of the adjusting tube 23. A positioning screw 5 can be inserted into each circular tube 4. The wall of the support tube 21 has three rows of screw holes 6 at equal intervals along the circumference, which are adapted to the three positioning screws 5. After the adjusting tube 23 is rotated into place, the positioning screws 5 are screwed from the circular tubes 4 into the corresponding screw holes 6 on the support tube 21. The adjusting tube 23 is locked in the predetermined position by the thread engagement, preventing rotation or loosening during use.

[0025] Specifically, the extension 24 is fixed to the middle of the outer wall of the regulating tube 23, and four threaded rods 241 are provided on both sides of it. The two H-beam support members 25 are connected to the extension 24 through the threaded rods 241 respectively. Each H-beam support member 25 has a second connecting hole 252 at its end that matches the threaded rod 241. After the threaded rod 241 passes through the second connecting hole 252, it is locked with a nut 242.

[0026] Furthermore, the two H-beam supports 25 are arranged facing each other, forming a slot 26 in the middle to accommodate the end of the H-beam 3. To improve installation efficiency, the entrance end of the H-beam support 25 is designed with a slope. The two slopes gradually approach each other from the outside to the inside, forming a V-shaped guide opening 27. During installation, the end of the H-beam 3 can automatically align along the V-shaped guide opening 27 and smoothly slide into the slot 26, significantly reducing the difficulty of on-site alignment.

[0027] Preferably, through holes 31 are provided on the upper and lower flanges at the ends of the H-beam 3, and first connecting holes 251 are provided on the upper and lower sides of the H-beam support 25 at corresponding positions. When the H-beam 3 is inserted into the slot 26, the through holes 31 are aligned with the first connecting holes 251, and high-strength bolts are inserted and tightened to firmly fix the H-beam 3 to the H-beam support 25. This connection method can effectively transfer bending moment and shear force, ensuring that the node has good load-bearing capacity and stiffness.

[0028] In addition, the regulating pipe 23 is integrally formed with horizontally and vertically arranged reinforcing ribs. These reinforcing ribs significantly improve the torsional and bending resistance of the regulating pipe 23 when bearing beam end loads, prevent local deformation, and ensure the safety of the overall structure.

[0029] Working Principle: This connection structure achieves rapid docking of the square steel pipe column 1 and the connecting piece 2 through the first flange plate 11, the second flange plate 22, and high-strength bolts; the installation angle of the H-beam 3 can be flexibly adjusted by the circumferential rotation of the adjusting pipe 23 around the supporting pipe 21; the adjusted angle is locked by the cooperation of the positioning screw 5 and the screw hole 6 to ensure that the node does not shift during use; the H-beam 3 is guided accurately into the slot 26 through the V-shaped guide port 27, and the H-beam 3 is fastened to the H-beam support piece 25 with the high-strength bolts, thus completing the reliable transmission of force. The entire process requires no welding, all components can be prefabricated in the factory, and only bolt tightening is required on site, which greatly improves construction efficiency, while also having good disassembly and reusability.

[0030] When the distance between two square steel columns 1 is only large enough to allow a single H-beam 3 to pass through, the H-beam 3 cannot be directly inserted into the slot 26 between the two H-beam supports 25 via the V-shaped guide opening 27. In this case, one side of the H-beam support 25 can be removed first, and the H-beam 3 can be inserted from the outside onto the unremoved H-beam support 25 and initially fixed with high-strength bolts. Then, the removed H-beam support 25 can be reinstalled and reliably connected to the H-beam 3 with high-strength bolts, thereby significantly improving the installation flexibility in confined spaces.

Claims

1. A square steel pipe column and H-shaped steel beam connecting structure, comprising a square steel pipe column (1), an H-shaped steel beam (3) and a connecting piece (2) connected between the two; the end of the square steel pipe column (1) is fixedly connected with a first flange plate (11); characterized in that: The connecting piece (2) comprises a support pipe (21), a second flange plate (22), an adjusting pipe (23), an extension piece (24) and two H-shaped beam supports (25); the two ends of the support pipe (21) are fixedly connected with the second flange plates (22) respectively, the first flange plate (11) and the corresponding second flange plate (22) are detachably connected through fasteners; the adjusting pipe (23) is sleeved outside the support pipe (21) and can rotate circumferentially along the peripheral surface of the support pipe (21); the outer wall of the adjusting pipe (23) is detachably connected with the two H-shaped beam supports (25) through the extension piece (24), and a slot (26) for inserting the end of the H-shaped steel beam (3) is formed between the two H-shaped beam supports (25), and the H-shaped beam support (25) and the H-shaped steel beam (3) are detachably connected through fasteners.

2. The connection structure of a square steel pipe column and an H-shaped steel beam according to claim 1, characterized in that: A plurality of flange holes corresponding to each other are arranged on the first flange plate (11) and the second flange plate (22), and the fasteners are high-strength bolts which are used to fixedly connect the first flange plate (11) and the second flange plate (22) by penetrating the flange holes.

3. The connection structure of a square steel pipe column and an H-shaped steel beam according to claim 2, characterized in that: A through hole (31) is arranged on the upper and lower flange plates of the end of the H-shaped steel beam (3) respectively, and first connecting holes (251) are arranged on the upper and lower sides of the H-shaped beam support (25) correspondingly, and the H-shaped steel beam (3) and the H-shaped beam support (25) are fixed by penetrating the through hole (31) and the first connecting hole (251) through high-strength bolts.

4. The connection structure of a square steel pipe column and an H-shaped steel beam according to claim 1, characterized in that: A plurality of threaded rods (241) are fixedly connected on the extension piece (24), and a second connecting hole (252) corresponding to the threaded rod (241) is arranged on one end of the H-shaped beam support (25) close to the extension piece (24), and each threaded rod (241) penetrates the corresponding second connecting hole (252) and is locked by cooperating with a nut (242) to realize the detachable connection between the H-shaped beam support (25) and the extension piece (24).

5. The connection structure of a square steel pipe column and an H-shaped steel beam according to claim 1, characterized in that: A circular pipe (4) and a positioning screw (5) are further included, the circular pipe (4) is embeddedly fixed on the adjusting pipe (23), and the positioning screw (5) is inserted in the circular pipe (4); a plurality of screw holes (6) matched with the positioning screw (5) are arranged on the pipe wall of the support pipe (21) at equal intervals in the circumferential direction, so that the positioning screw (5) can be screwed into the screw hole (6) to be locked and positioned after the adjusting pipe (23) is rotated to a predetermined angle.

6. The connection structure of a square steel pipe column and an H-shaped steel beam according to claim 1, characterized in that: One end of each of the two H-shaped beam supports (25) is provided with an inclined surface which gradually converges from the insertion end of the H-shaped steel beam (3) to the other end, forming a V-shaped guide port (27) to guide the H-shaped steel beam (3) to be smoothly inserted into the slot (26).

7. The connection structure of a square steel pipe column and an H-shaped steel beam according to claim 1, characterized in that: The outer wall of the adjusting pipe (23) is provided with reinforcing ribs arranged transversely and vertically, so as to enhance the structural rigidity and carrying capacity of the adjusting pipe (23).

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