Box-type steel column hinged column base joint

Abstract

The utility model discloses a box type steel column hinged column foot node, including steel column bottom plate and connecting piece, the connecting piece is welded and fixed on the top surface of steel column bottom plate, steel column bottom plate is fixed on concrete foundation, box type steel column is placed on steel column bottom plate, and the connecting piece is inserted into the inner chamber of box type steel column, and connecting bolt transversely passes through the setting of box type steel column and connecting piece, and is fastened through nut, and the box type steel column is connected with concrete foundation through connecting piece. The utility model, box type steel column built -in connecting piece, and are connected through long bolt, utilize bolt to make the small angle rotation between box type steel column and steel column bottom plate when being suffered to bend moment, release the column foot bending moment, meet the structure design assumption of hinged column foot, improved structural safety. In addition, the on -the -spot bolt connection reduces the on -the -spot welding work, reduces the fire safety hidden danger, and improves the construction efficiency.

Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, specifically to a hinged column base node for a box-type steel column. Background Technology

[0002] Box-type steel columns, with their high-efficiency load-bearing capacity and versatility, have become one of the core components of modern steel structure engineering, and are especially suitable for scenarios requiring high strength, lightweight and rapid construction.

[0003] Box-type steel columns are typically connected to the foundation using hinged column bases. These hinged column bases do not bear rotational bending moments, but only horizontal and vertical forces. The force model is as follows: Figure 1 As shown.

[0004] Existing box-type steel column base joints typically use direct welding or anchor bolt fixing methods. This design causes the column base to resist bending moment, which does not conform to the structural design assumptions of hinged column bases and is prone to safety accidents. Utility Model Content

[0005] To address the aforementioned shortcomings, the technical problem to be solved by this utility model is to provide a hinged column base node for box-type steel columns, thereby solving the problem that the existing technology does not conform to the structural design assumptions of hinged column bases and is prone to safety accidents.

[0006] To address this, this application provides a hinged column base node for a box-type steel column, comprising a steel column base plate and a connector. The connector is welded and fixed to the top surface of the steel column base plate, which is fixed to a concrete foundation. The box-type steel column is placed on the steel column base plate, and the connector is inserted into the inner cavity of the box-type steel column. A connecting bolt is provided transversely through the box-type steel column and the connector, and is tightened with a nut, thereby connecting the box-type steel column to the concrete foundation through the connector.

[0007] In the above technical solution, preferably, the connector adopts a box-shaped structure.

[0008] In the above technical solution, preferably, the steel column base plate is fixed to the concrete foundation by anchor bolts.

[0009] In the above technical solution, preferably, a gap of 10 to 15 cm is provided between the connector and the inner wall of the box-shaped steel column.

[0010] As can be seen from the above technical solution, the box-type steel column hinged base node provided by this utility model solves the problem that existing technologies do not conform to the structural design assumptions of hinged column bases, which easily leads to safety accidents. Compared with the prior art, this utility model has the following beneficial effects:

[0011] The box-shaped steel columns have built-in connectors and are connected by long bolts. These bolts allow for a small-angle rotation between the box-shaped steel column and the column base plate when subjected to bending moments, releasing the bending moment at the column base. This conforms to the structural design assumptions of hinged column bases and improves structural safety. Furthermore, on-site bolt connections reduce on-site welding work, lower fire safety hazards, and improve construction efficiency. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments of this utility model or the prior art will be briefly introduced and explained below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the force model of a hinged column base;

[0014] Figure 2 A schematic diagram of the hinged column base node of the box-type steel column provided by this utility model;

[0015] Figure 3 for Figure 2 AA section view.

[0016] Figures 1-3 The correspondence between the parts is as follows:

[0017] 10 steel column base plate, 20 connectors, 30 concrete foundation, 40 box-type steel column, and 50 connecting bolts. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the embodiments described below are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] To provide a clearer explanation and description of the technical solution and implementation method of this utility model, several preferred specific embodiments for implementing the technical solution of this utility model are introduced below.

[0020] It should be noted that the directional terms such as "inner" and "outer", "front" and "back", and "left" and "right" in this article are based on the product's usage status. Obviously, the use of these directional terms does not limit the scope of protection of this solution.

[0021] like Figure 2 , Figure 3 As shown, the present invention provides a box-type steel column hinged column base node, including a steel column base plate 10 and a connector 20. The connector 20 is welded and fixed to the top surface of the steel column base plate 10, and the steel column base plate 10 is fixed to the concrete foundation 30 by anchor bolts.

[0022] The box-shaped steel column 40 is placed on the steel column base plate 10, and the connector 20 is inserted into the inner cavity of the box-shaped steel column 40. The connecting bolt 50 is set to pass through the box-shaped steel column 40 and the connector 20 laterally, and is tightened by nuts to connect the box-shaped steel column 40 to the concrete foundation through the connector.

[0023] In this application, the box-type steel column incorporates internal connectors and is connected via long bolts. These bolts allow for a small-angle rotation between the box-type steel column and its base plate when subjected to bending moments, releasing the bending moment at the column base. This aligns with the structural design assumptions of hinged column bases, thus improving structural safety. Furthermore, on-site bolt connections reduce on-site welding work, lower fire safety hazards, and improve construction efficiency.

[0024] In this embodiment, the connector 20 adopts a box-shaped structure, and a gap of 10 to 15 cm is provided between the connector 20 and the inner wall of the box-shaped steel column 40. The direction of the connecting bolts 50 is set according to the direction of the rotational bending moment of the box-shaped steel column to release the bending moment at the column base.

[0025] Based on the above description of specific embodiments, the box-type steel column hinged column base node provided by this utility model changes the traditional design of existing box-type steel columns being directly fixed to concrete foundations. The box-type steel column has built-in connectors and is connected by long bolts, which can release the bending moment of the column base, conform to the structural design assumption of hinged column base, and improve structural safety.

[0026] Finally, it should be noted that the terms "comprising," "including," or any other variations thereof as used herein are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a…" does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0027] This utility model is not limited to the above-described preferred embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model.

Claims

1. A hinged column base node for a box-type steel column, characterized in that, The system includes a steel column base plate and connectors. The connectors are welded and fixed to the top surface of the steel column base plate, which is fixed to a concrete foundation. A box-shaped steel column is placed on the steel column base plate, and the connectors are inserted into the inner cavity of the box-shaped steel column. Connecting bolts are installed laterally through the box-shaped steel column and the connectors, and are tightened with nuts to connect the box-shaped steel column to the concrete foundation through the connectors.

2. The hinged column base node of the box-type steel column according to claim 1, characterized in that, The connector adopts a box-shaped structure.

3. The hinged column base node of the box-type steel column according to claim 1, characterized in that, The steel column base plate is fixed to the concrete foundation by anchor bolts.

4. The hinged column base node of the box-type steel column according to claim 1, characterized in that, A gap of 10 to 15 cm is provided between the connector and the inner wall of the box-shaped steel column.

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