Steel structure assembly
By using welded connectors and sliding lap joints of steel structure components in prefabricated buildings, the problems of easy corrosion of steel structure connectors and excessive load on bolt fasteners are solved, resulting in a more stable and durable connection method.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-03-27
AI Technical Summary
In existing prefabricated buildings, the steel structural connectors between concrete columns and concrete beams are prone to corrosion and have a short service life, and the bolt fasteners are subjected to excessive loads under long-term use.
A steel structure component, including columns and beams, is adopted. The weight of the beams is shared by welded connectors and sliding lap joint mechanism. Stable connection is achieved by matching the lap column with the cavity, combined with reinforcing ribs and locking nuts.
It improves the stability and service life of the connection, avoids the difficulty of insertion caused by excessive beam length, and enhances the ease of operation and the reliability of the connection.
Smart Images

Figure CN224048361U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of steel structure connection, specifically a steel structure assembly. BACKGROUND
[0002] In the fabricated building, the concrete column and the concrete beam are all prefabricated products, which are transported to the construction site for assembly after being manufactured. The two ends of the prefabricated concrete column and the concrete beam are both embedded with steel structure connecting pieces. The steel structure connecting pieces are generally connected and installed by using bolt fasteners. In the installation mode of the bolt fastener, the overall weight of the beam acts on the bolt fastener. In the long-term use process, there is a phenomenon of corrosion of the fastener, so the service life has further space for improvement. SUMMARY
[0003] The utility model discloses a steel structure assembly.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a steel structure assembly, including the stand, the top of the stand and the top of the outside four around all are welded with the outward protruding first connecting piece, the first connecting piece is away from the one end of the stand and is equipped with the cavity, the outside four around of the stand is connected with the crossbeam through the first connecting piece, the end of the crossbeam is welded with the second connecting piece, the inside of the crossbeam is slidably connected with the lap joint mechanism that penetrates to the outside of the crossbeam.
[0005] As a further scheme of the utility model: the lap joint mechanism includes the limiting slot that sets up on the top end board and the bottom end board of the crossbeam, the inner wall of the limiting slot is slidably connected with the sliding column, the lap joint column is welded between two the sliding column, the lap joint column is slidably connected in the inner chamber of the crossbeam.
[0006] As a further scheme of the utility model: the lap joint mechanism still includes the slide rail that is welded in the inside of the two side plates of the crossbeam, the both sides side plate outside of the lap joint column is equipped with the sliding slot of the slide rail sliding connection, the vertical section of the slide rail and the sliding slot all are '' convex '' type structure.
[0007] As a further scheme of the utility model: the inner wall four corners of the lap joint column are welded with the reinforcing rib, the vertical section of the reinforcing rib is the '' ten '' cross structure of rotating forty-five degrees, the outer wall of the lap joint column and the inner wall of the cavity are consistent.
[0008] As a further scheme of the utility model: the outer wall of the sliding column is formed with external thread in the external part of the crossbeam, the sliding column is connected with the locking nut through the external thread.
[0009] Compared with the prior art, the utility model has the advantages that:
[0010] By setting the lap joint mechanism, the lap joint mechanism shares the force originally acting on the bolt fastener entirely, which can achieve better support for the beam and better stability, and the slidable lap joint mechanism can avoid the problem that the beam is too long to be inconveniently clamped into the cavity, thereby achieving the effect of convenient operation and prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is a structural schematic view of the utility model;
[0012] Figure 2 It is an internal structural schematic view of the utility model;
[0013] Figure 3 It is a structural schematic view of the utility model; Figure 2 It is a local enlarged view of A in the middle.
[0014] In the figure: 1, stand column; 2, first connecting piece; 3, cavity; 4, cross beam; 5, second connecting piece; 6, limiting groove; 7, sliding column; 8, lap joint column; 9, locking nut; 10, sliding rail; 11, sliding groove; 12, reinforcing rib. DETAILED DESCRIPTION
[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0016] Please refer to Figures 1-3 In the embodiments of the utility model, a steel structure assembly includes a stand column 1, the top of the stand column 1 and the top of the outer four sides are all welded with outward protruding first connecting pieces 2, the first connecting pieces 2 are provided with cavities 3 at the ends away from the stand column 1, the outer four sides of the stand column 1 are connected with cross beams 4 through the first connecting pieces 2, the cross beams 4 are welded with second connecting pieces 5 at the ends, and the cross beams 4 are slidably connected with lap joint mechanisms penetrating to the outside of the cross beams 4.
[0017] In the embodiment: the end of the concrete column and the concrete beam of the prefabricated building is embedded with a steel structure connecting piece, during installation, the stand column 1 is connected with the foundation, after stable connection, the beam needs to be connected at the top of the column, during connection of the beam, the two ends of the beam are connected with the outer side of the first connecting piece 2 of the top of the column, when the beam is located between the two columns, the two ends of the beam are aligned with the first connecting piece 2 of the outer side of the top of the column, the lapping mechanism is pushed into the cavity 3 of the first connecting piece 2 under the pushing force, at this time, lapping is formed, then the first connecting piece 2 and the second connecting piece 5 are fastened and connected by using the bolt and nut, this kind of way can better support the beam, avoid the gravity of the beam acting on the bolt fastener, and the stability is better, and the slidable lapping mechanism can avoid the problem that the beam is too long to be inconveniently clamped into the cavity 3.
[0018] Please refer to Figure 1 、 Figure 2 and Figure 3 , the lapping mechanism comprises a limiting slot 6 opened on the top end plate and the bottom end plate of the cross beam 4, the inner wall of the limiting slot 6 is slidably connected with a sliding column 7, and the two sliding columns 7 are welded with a lapping column 8, the lapping column 8 is slidably connected in the inner cavity of the cross beam 4, the lapping mechanism further comprises a sliding rail 10 welded on the inner side of the two side plates of the cross beam 4, and the outer side of the two side plates of the lapping column 8 is provided with a sliding groove 11 slidably connected with the sliding rail 10, and the vertical section of the sliding rail 10 and the sliding groove 11 is in a “convex” structure.
[0019] In the embodiment: after the cross beam 4 drives the second connecting piece 5 to be aligned with the first connecting piece 2, the sliding column 7 is pushed until the sliding column 7 drives the lapping column 8 to slide on the inner wall of the cross beam 4, the cross beam 4 drives the sliding groove 11 to slide with the sliding rail 10, until the lapping column 8 enters the cavity 3, and forms effective lapping connection force, at this time, the position of the lapping column 8 is fixed, the design of the limiting slot 6 can limit the maximum distance of the outward sliding of the lapping column 8, so as to avoid excessive sliding of the lapping column 8.
[0020] Please refer to Figure 1 、 Figure 2 and Figure 3 , the inner wall of the lapping column 8 is welded with a reinforcing rib 12 at the four corners, the vertical section of the reinforcing rib 12 is in a rotated forty-five-degree “cross” structure, and the outer wall of the lapping column 8 is consistent with the inner wall of the cavity 3.
[0021] In the embodiment: after the lapping column 8 forms effective lapping, as a force receiving part, the gravity of the beam acts on the lapping column 8, the design of the reinforcing rib 12 can improve the strength of the lapping column 8, and avoid deformation of the lapping column 8.
[0022] Please refer to Figure 1 andFigure 2 The outer wall of the sliding column 7 is formed with external threads at the outer portion of the cross beam 4, and the sliding column 7 is connected with a locking nut 9 through the external threads.
[0023] In this embodiment, after the overlapping column 8 is overlapped, the locking nut 9 is rotated, and after the locking nut 9 is completely screwed, the locking nut 9 effectively presses on the cross beam 4, thereby fixing the position of the overlapping column 8.
[0024] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent substitutions or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A steel construction assembly comprising a column (1), characterized in that, The top of the column (1) and the top of the outer four sides are welded with a outward protruding first connecting piece (2), the end of the first connecting piece (2) away from the column (1) is provided with a cavity (3), the outer four sides of the column (1) are connected with the cross beam (4) through the first connecting piece (2), the end of the cross beam (4) is welded with a second connecting piece (5), the inside of the cross beam (4) is slidably connected with a lap joint mechanism penetrating to the outside of the cross beam (4).
2. A steel constructional assembly according to claim 1, characterised in that The lap joint mechanism comprises a limiting slot (6) opened on the top end plate and the bottom end plate of the cross beam (4), the inner wall of the limiting slot (6) is slidably connected with a sliding column (7), two sliding columns (7) are welded with a lap joint column (8), the lap joint column (8) is slidably connected in the inner cavity of the cross beam (4).
3. A steel constructional assembly according to claim 2, characterised in that The lap joint mechanism further comprises a slide rail (10) welded on the inner side of the two side plates of the cross beam (4), the outer side of the two side plates of the lap joint column (8) is provided with a sliding groove (11) slidably connected with the slide rail (10), the vertical section of the slide rail (10) and the sliding groove (11) is a "convex" structure.
4. A steel constructional assembly according to claim 3, characterised in that The inner wall of the lap joint column (8) is welded with a reinforcing rib (12) at the four corners, the vertical section of the reinforcing rib (12) is a rotated forty-five degree "cross" structure, the outer wall of the lap joint column (8) is consistent with the inner wall of the cavity (3).
5. A steel constructional assembly according to claim 4, characterised in that The outer wall of the sliding column (7) is formed with an external thread on the outer part of the cross beam (4), the sliding column (7) is connected with a locking nut (9) through the external thread.