Steel bar node structure

By setting positioning holes on both side walls of the web and welding steel bar joint cylinders, combined with the use of reinforcement plates, the problem of insufficient strength of the steel bar node connection structure in the prior art is solved, and a higher torsion resistance and overall structure are achieved stability.

CN222525527UActive Publication Date: 2025-02-25CHINA RAILWAY CONSTR ENG GRP QINGDAO ENGINEERI
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Patent Information

Application Number
CN202421289594.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-02-25
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

When the existing steel bar node connection structure is rigidly connected between the box section column and the cross beam, the steel bar holes are directly reserved to affect the web strength, or the steel bar joint barrel is directly welded when rotating the steel bar and twisting the steel bars easily break due to torsional force, affecting the steel bar nodes. strength.

Method used

Design a steel bar node structure, by setting positioning holes on both sides of the web, welding the steel bar joint cylinder, and using reinforcement plates to strengthen the fixation of the steel bar joint cylinder, increasing the torsion resistance, and avoiding the steel bar joint cylinder and web The junction is broken.

Benefits of technology

The strength of the steel bar nodes is improved, the torsion resistance of the steel bar joint barrel is increased, and the fracture at the connection between the steel bar joint barrel and the web is avoided, ensuring the strength of the cross beam and the stability of the overall structure.

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Abstract

The utility model relates to a steel bar node structure which comprises a box-shaped section column and a cross beam, the cross beam comprises an upper wing plate, a lower wing plate and a web plate, supporting bedplates are fixed on the side walls of the periphery of the box-shaped section column, a connecting plate is fixed on the box-shaped section column between the upper wing plate and the lower wing plate, and a plurality of positioning holes are formed in the two sides of the web plate in the vertical direction. A steel bar connecting cylinder is welded in each positioning hole, a plurality of reinforcing plates are welded and fixed to the outer wall of each steel bar connecting cylinder, a plurality of positioning insertion openings are formed in the outer side of each positioning hole in a circular array mode, positioning protrusions inserted into the positioning insertion openings are arranged at the inner ends of the reinforcing plates, and the inner ends of the reinforcing plates are welded and fixed to the web. The positioning holes are formed in the two side walls of the web plate, the steel bar connecting cylinders are welded in the positioning holes, and then the reinforcing plates are used for reinforcing and fixing the steel bar connecting cylinders on the web plate, so that the torsion resistance of the steel bar connecting cylinders is increased, the steel bars are not easy to break when being connected, steel bar holes for connecting the steel bars are not needed, and the strength of the cross beam is ensured.
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Description

Technical Field

[0001] The utility model relates to a steel bar node structure and belongs to the technical field of building connection structures. Background Art

[0002] In construction projects, a lot of steel bars are needed, so the strength of the steel bar node connection structure is crucial. When the box-section column is rigidly connected to the beam, a lot of steel bars will be connected to the web of the beam. At present, the steel bar connection is completed by reserving steel bar holes on the web or directly welding steel bar connection tubes. However, directly reserving steel bar holes will greatly affect the strength of the web, thereby affecting the strength of the beam. When directly welding steel bar connection tubes, when rotating and twisting the steel bars, the steel bar connection tubes are subjected to torsional force, which can easily cause the connection between the steel bar connection tube and the web to break, affecting the strength of the steel bar node. Utility Model Content

[0003] The utility model provides a steel bar node structure to solve the problem that directly reserving steel bar holes will greatly affect the strength of the web, thereby affecting the strength of the crossbeam, and directly welding the steel bar connecting tube. When the steel bar is rotated and screwed, the steel bar connecting tube is subjected to torsional force, which can easily cause the connection between the steel bar connecting tube and the web to break, thereby affecting the strength of the steel bar node.

[0004] The utility model relates to a steel bar node structure, comprising a box-section column, wherein the box-section column is connected with a cross beam on all sides, the cross beam comprises an upper and lower wing plate and a web plate, support platforms for supporting the upper and lower wing plates are fixed on the side walls of the box-section column on all sides, a connecting plate is fixed on the box-section column between the upper and lower wing plates, the connecting plate is fixedly connected to the web plate by bolts, a plurality of positioning holes are arranged on both sides of the web plate in the vertical direction, a steel bar connecting tube is welded in each positioning hole, a plurality of reinforcing plates are welded and fixed on the outer wall of the steel bar connecting tube, a plurality of positioning sockets are arranged on the web plate in a circular array outside each positioning hole, a positioning protrusion inserted into the positioning socket is arranged at the inner end of the reinforcing plate, and the inner end of the reinforcing plate is welded and fixed to the web plate.

[0005] As a preferred embodiment, a positioning slot is provided on the outer wall of the steel bar connecting tube, and a positioning socket matching the positioning slot is provided on the side wall of the reinforcing plate. During production in the factory, the reinforcing plate can be conveniently and quickly positioned and installed on the steel bar connecting tube, and the torsional resistance of the reinforcing plate can be increased.

[0006] As a preferred embodiment, anchor nails are fixed on the lower outer wall of the box-section column.

[0007] As a preferred embodiment, a square steel bar is mounted on the box-section column below the support platform. The top of the square steel bar is welded and fixed to the bottom of the support platform. The square steel bar is welded and fixed to the outer wall of the box-section column. The surrounding support platforms can be fixed as a whole, and the overall strength is higher.

[0008] As a preferred embodiment, at least one square steel bar 2 is provided between the upper and lower square steel bars 1, an escape opening for accommodating the square steel bar 2 is provided on the connecting plate, the connecting plate is welded and fixed to the square steel bar 2, and the square steel bar 2 is welded and fixed to the outer wall of the box-section column, so that the surrounding connecting plates can be fixed as a whole, thereby improving the overall strength and providing better shear resistance.

[0009] The utility model has the following beneficial effects:

[0010] Positioning holes are set on the two side walls of the web, steel bar connecting tubes are welded in the positioning holes, and then the steel bar connecting tubes are reinforced and fixed to the web with reinforcing plates. This increases the torsional resistance of the steel bar connecting tubes, makes it less likely to break when connecting the steel bars, and eliminates the need to drill steel bar holes for connecting the steel bars, thereby ensuring the strength of the beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0012] Figure 2 Schematic diagram of the three-dimensional structure for the installation of box-section columns and beams;

[0013] Figure 3 It is a schematic diagram of the side structure of the web;

[0014] In the figure: 1. support table, 2. steel bar connection tube, 3. connection plate, 4. web plate, 5. wing plate, 6. box section column, 7. anchor nail, 8. square steel bar one, 9. reinforcement plate, 10. square steel bar two, 11. avoidance opening, 12. bolt, 13. positioning hole, 14. positioning socket, 15. positioning socket. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with embodiments.

[0016] Embodiment 1, as Figures 1 to 3 As shown, the utility model is a steel node structure, including a box-section column 6, which is connected with a crossbeam on all sides, and the crossbeam includes upper and lower wing plates 5 and a web 4. Support platforms 1 for supporting the upper and lower wing plates 5 are fixed on the side walls of the box-section column 6, and a connecting plate 3 is fixed on the box-section column 6 between the upper and lower wing plates 5. The connecting plate 3 is fixedly connected to the web 4 by bolts 12, and a plurality of positioning holes 13 are provided on both sides of the web 4 in the vertical direction, and a steel bar connecting tube 2 is welded in each positioning hole 13, and a plurality of reinforcing plates 9 are welded and fixed on the outer wall of the steel bar connecting tube 2, and a plurality of positioning sockets 14 are arranged on the web 4 in a circular array outside each positioning hole 13, and a positioning protrusion inserted into the positioning socket 14 is provided at the inner end of the reinforcing plate 9, and the inner end of the reinforcing plate 9 is welded and fixed to the web 4.

[0017] During installation, first insert the steel bar connecting tube 2 into the positioning hole 13, then rotate the steel bar connecting tube 2 so that the positioning protrusion on the reinforcing plate 9 is inserted into the positioning socket 14, then weld the steel bar connecting tube 2 and the reinforcing plate 9 to the web 4, then weld and fix the support plate 1 at the position where the cross beam is installed in the box-section column 6, weld the connecting plate 3 between the upper and lower support plates 1, then lift the cross beam, support the end of the wing plate 5 of the cross beam on the support plate 1, and use bolts 12 to fix the web 4 and the connecting plate 3.

[0018] Embodiment 2, on the basis of embodiment 1, a positioning slot is provided on the outer wall of the steel bar connection tube 2, and a positioning insert 15 cooperating with the positioning slot is provided on the side wall of the reinforcing plate 9. During factory production, the positioning insert 15 of the reinforcing plate 9 is inserted into the positioning slot for rapid positioning, and then the reinforcing plate 9 is welded and fixed to the outer wall of the steel bar connection tube 2.

[0019] Anchor nails 7 are fixed to the lower outer wall of the box-section column 6 .

[0020] A square steel bar 8 is sleeved on the box-section column 6 below the support platform 1, the top of the square steel bar 8 is welded and fixed to the bottom of the support platform 1, and the square steel bar 8 is welded and fixed to the outer wall of the box-section column 6.

[0021] There is at least one square steel bar 2 10 between the upper and lower square steel bars 1 8, and an avoidance opening 11 for avoiding the square steel bars 2 10 is provided on the connecting plate 3. The connecting plate 3 is welded and fixed on the square steel bars 2 10, and the square steel bars 2 10 are welded and fixed on the outer wall of the box-section column 6. After the support platform 1 is installed, steel bars can be hooped on the box-section column 6 below the support platform 1. The steel bars are hooped into a square shape to form the square steel bars 1 8, and the square steel bars 1 8 are welded to the support platform 1 and the box-section column 6. Before welding the connecting plate 3, steel bars are hooped on the box-section column 6 first, and the steel bars are hooped into a square shape to form the square steel bars 2 10, and then the connecting plate 3 is welded. When the connecting plate 3 is welded, the avoidance opening 11 faces the square steel bars 2 10.

[0022] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0023] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. A steel bar node structure, comprising a box-section column (6), wherein the box-section column (6) is connected with a cross beam on all sides, the cross beam comprises upper and lower wing plates (5) and a web plate (4), and a support plate (1) for supporting the upper and lower wing plates (5) is fixed on the side walls of the box-section column (6), and a connecting plate (3) is fixed on the box-section column (6) between the upper and lower wing plates (5), and the connecting plate (3) is fixedly connected to the web plate (4) by bolts (12), characterized in that: A plurality of positioning holes (13) are provided on both sides of the web (4) in the vertical direction, a steel bar connection tube (2) is welded in each positioning hole (13), a plurality of reinforcing plates (9) are welded and fixed on the outer wall of the steel bar connection tube (2), a plurality of positioning sockets (14) are arranged on the web (4) in a circular array outside each positioning hole (13), a positioning protrusion inserted into the positioning socket (14) is provided at the inner end of the reinforcing plate (9), and the inner end of the reinforcing plate (9) is welded and fixed on the web (4).

2. The steel bar node structure according to claim 1, characterized in that: A positioning slot is provided on the outer wall of the steel bar connection tube (2), and a positioning insert (15) matched with the positioning slot is provided on the side wall of the reinforcing plate (9).

3. The steel bar node structure according to claim 1, characterized in that: Anchor nails (7) are fixed on the lower outer wall of the box-section column (6).

4. The steel bar node structure according to claim 1, characterized in that: A square steel bar (8) is sleeved on the box-section column (6) below the support platform (1), the top of the square steel bar (8) is welded and fixed to the bottom of the support platform (1), and the square steel bar (8) is welded and fixed to the outer wall of the box-section column (6).

5. The steel bar node structure according to claim 4, characterized in that: At least one square steel bar 2 (10) is arranged between the upper and lower square steel bars 1 (8), a clearance opening (11) for accommodating the square steel bar 2 (10) is arranged on the connecting plate (3), the connecting plate (3) is welded and fixed on the square steel bar 2 (10), and the square steel bar 2 (10) is welded and fixed on the outer wall of the box-section column (6).