Fabricated column foot connecting joint

Abstract

The utility model provides an assembly type column foot connecting joint, and relates to the technical field of municipal buildings. The foundation structure comprises a prefabricated foundation, a foundation reserved cup opening is formed in the center of the prefabricated foundation, a plurality of foundation embedded anchor bolts are embedded in the prefabricated foundation on the periphery of the foundation reserved cup opening, and foundation embedded steel plates are welded to the tops of the foundation embedded anchor bolts; a prefabricated column is arranged in the foundation reserved cup opening, a column embedded steel plate is embedded in the position, at the height of the top of the foundation reserved cup opening, of the prefabricated column, and a plurality of ribbed plates are welded between the column embedded steel plate and the foundation embedded steel plate. According to the utility model, the quick connection of the assembly type column base joints can be realized, the construction period is shortened, the construction quality reliability is improved, the construction labor intensity is reduced, and the on-site environmental pollution is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal buildings, in particular to an assembled column foot connection node. Background Art

[0002] At present, traditional column base connection nodes are mainly divided into exposed column bases and embedded column bases. Exposed column bases are mainly used for steel structure column bases, which require more prefabricated components, high construction precision requirements and are relatively complex. Embedded column bases have a minimum embedment depth requirement and also require cast-in-place treatment at the node connection. Cast-in-place treatment has a long construction period, low efficiency, high labor intensity, and the construction quality is greatly affected by the environment. With a limited construction period, it is difficult to achieve rapid construction requirements. Grouting anchor connection is currently a common connection method between prefabricated columns and foundations, but grouting anchor connection requires high precision, is difficult to construct, and the grouting quality is uncontrollable. Cast-in-place cup-shaped foundation connection has more cast-in-place work, high construction labor intensity, and a greater impact on the on-site environment. Utility Model Content

[0003] The utility model provides an assembled quick-connect column base node, which aims to achieve quick connection of the assembled column base node, shorten construction period, improve construction quality reliability, reduce construction labor intensity, and avoid on-site environmental pollution.

[0004] The present invention provides the following technical solutions to achieve the above objectives:

[0005] A prefabricated column base connection node includes a prefabricated foundation, a foundation reserved cup is provided in the center of the prefabricated foundation, a plurality of foundation embedded anchor bolts are embedded in the prefabricated foundation around the foundation reserved cup, and a foundation embedded steel plate is welded to the top of the foundation embedded anchor bolts; a prefabricated column is provided in the foundation reserved cup, a column embedded steel plate is embedded on the prefabricated column at the height of the top of the foundation reserved cup, and a plurality of ribbed plates are welded between the column embedded steel plate and the foundation embedded steel plate.

[0006] In the aforementioned assembled column base connection node, the column embedded steel plate is arranged in a rectangular shape and the steel plates on each side of the rectangle are arranged vertically.

[0007] In the aforementioned assembled column base connection node, a number of embedded parts are welded in the horizontal and vertical directions on the inner wall of the vertically arranged steel plate.

[0008] In the aforementioned assembled column base connection node, a plurality of ribbed plates are respectively welded on the outer walls of the vertically arranged steel plate blocks.

[0009] In the aforementioned assembled column base connection node, the embedded parts are embedded anchor bolts.

[0010] In the aforementioned assembled column base connection node, the embedded parts are embedded steel bars.

[0011] In the aforementioned assembled column base connection node, a reserved steel plate groove matching the shape of the foundation embedded steel plate is provided around the reserved cup mouth of the foundation.

[0012] In the aforementioned assembled column base connection node, the foundation embedded steel plate is arranged in a horizontal rectangular ring and a number of foundation embedded anchor bolts are welded to the bottom of each side.

[0013] In the aforementioned assembled column base connection node, the surfaces of the foundation embedded steel plates, column embedded steel plates and ribbed plates are provided with a sprayed metal layer, and the surface of the sprayed metal layer is provided with an anti-corrosion layer.

[0014] In the aforementioned assembled column base connection node, a filling material layer is provided in the gap formed between the foundation reserved cup and the prefabricated column.

[0015] Compared with the prior art, the utility model has the following characteristics:

[0016] When the utility model is implemented, the prefabrication of the prefabricated columns and the prefabricated foundation is first completed in the factory. During on-site installation, it is only necessary to insert the prefabricated columns into the cup openings reserved for the prefabricated foundation, and then weld the ribbed plates between the column embedded steel plates and the foundation embedded steel plates to quickly complete the assembly of the prefabricated columns and the prefabricated foundation. Therefore, the utility model can realize the rapid construction and installation of the column foot connection nodes, thereby reducing the construction period, improving the reliability of construction quality, reducing the construction labor intensity, and avoiding on-site environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below only relate to some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the assembly structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the pre-buried steel plate of the column of the utility model;

[0021] Figure numbers: 1-prefabricated column; 2-prefabricated foundation; 3-ribbed plate; 4-foundation embedded steel plate; 5-column embedded steel plate; 6-embedded parts; 7-foundation embedded anchor bolts; 8-foundation reserved cup mouth. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] It should be noted that in the present invention, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to the process, method, product, or apparatus. The terms "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or location relationships based on the positions or location relationships shown in the accompanying drawings. These terms are primarily intended to better describe the present invention and its embodiments, and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed and operated in a specific orientation. The terms "installed," "disposed," "provided with," "connected," "connected," and "sleeved" should be understood broadly, for example, and may refer to fixed connections, detachable connections, or integral structures; mechanical connections, or electrical connections; direct connections, indirect connections through an intermediate medium, or internal communication between two devices, elements, or components. Furthermore, some terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to express a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0024] Example 1, a prefabricated column base connection node, the structure is as follows Figure 1-3 As shown, it includes a prefabricated foundation 2, a foundation reserved cup 8 is provided in the center of the prefabricated foundation 2, and a number of foundation embedded anchor bolts 7 are pre-embedded in the prefabricated foundation 2 around the foundation reserved cup 8, and a foundation embedded steel plate 4 is welded on the top of the foundation embedded anchor bolt 7; a prefabricated column 1 is provided in the foundation reserved cup 8, and a column embedded steel plate 5 is pre-embedded on the prefabricated column 1 at the height of the top of the foundation reserved cup 8, and a number of ribbed plates 3 are welded between the column embedded steel plate 5 and the foundation embedded steel plate 4.

[0025] The column embedded steel plates 5 are arranged in a rectangular shape and the steel plates on each side of the rectangle are arranged vertically.

[0026] On the inner walls of the four vertically arranged steel plates, a number of embedded parts 6 are welded in the horizontal and vertical directions respectively.

[0027] A plurality of ribbed plates 3 are welded to the outer walls of the four vertically arranged steel plates.

[0028] The embedded part 6 is a pre-embedded anchor bolt.

[0029] A reserved steel plate groove matching the shape of the foundation embedded steel plate 4 is provided around the reserved cup mouth 8 of the foundation.

[0030] The foundation embedded steel plate 4 is arranged in a horizontal rectangular ring and a plurality of foundation embedded anchor bolts 7 are welded to the bottom of each side.

[0031] The surfaces of the foundation embedded steel plate 4, column embedded steel plate 5 and ribbed plate 3 are provided with a sprayed metal layer, and the surface of the sprayed metal layer is provided with an anti-corrosion layer. The anti-corrosion layer is provided in the form of a sprayed metal layer combined with a coating of an anti-corrosion material composite surface layer.

[0032] A filling material layer is provided in the gap formed between the foundation reserved cup 8 and the prefabricated column 1. The filling material layer is made of fillers such as expansion mortar or embedded polyurethane road caulking glue.

[0033] When the above-mentioned assembled column base connection node is carried out, the specific implementation method includes:

[0034] (1) Anti-corrosion treatment of steel structure components

[0035] First, according to the relevant drawings, prefabricated steel structure connection components are produced in the factory, specifically the foundation embedded steel plate 4, column embedded steel plate 5 and ribbed plate 3. At the same time, according to the local soil environmental corrosion conditions, the steel structure components are treated with anti-corrosion treatment, as follows:

[0036] Before spraying the anti-corrosion material, the exposed metal connectors are derusted and then protected with a composite surface layer of sprayed metal layer + anti-corrosion material.

[0037] Sprayed metal layer: sprayed zinc or aluminum, thickness ≥120μm; hot-dip galvanized, thickness ≥50μm.

[0038] Thickness of anti-corrosion surface coating: The anti-corrosion coating for steel structures, number of coating passes, and coating thickness shall all comply with the design and coating product specifications. If the design does not specify coating thickness, the thickness shall be ≥ 150μm.

[0039] (2) Prefabricated foundation production in the factory

[0040] The steel frame of the prefabricated foundation 2 is tied in the factory, the foundation embedded anchor bolts 7 are positioned and the tops are welded to the foundation embedded steel plates 4; the foundation embedded steel plates 4 are positioned, and then the concrete pouring production of the prefabricated foundation 2 is carried out. The prefabricated foundation 2 is reserved for a cup mouth during the prefabrication production, and the formed foundation reserved cup mouth 8 is slightly larger than the prefabricated column cross-section.

[0041] (3) Factory production of prefabricated columns

[0042] The precast columns are pre-embedded with anchor bolts during the concrete pouring production prefabrication, and the pre-embedded anchor bolts are welded to the pre-embedded steel plates 5 on the outside of the columns.

[0043] (4) The factory produces steel connection components

[0044] The ribbed plate 3 is produced using steel.

[0045] (5) On-site installation of prefabricated quick-connect column base nodes

[0046] The prefabricated foundation 2 is positioned on site, and then the prefabricated column 1 is inserted into the reserved cup 8 of the foundation. The column embedded steel plate 5 and the foundation embedded steel plate 4 are welded together through the ribbed plate 3 to form a quick connection node between the prefabricated foundation and the prefabricated column.

[0047] (6) In the gap between the reserved cup 8 of the foundation and the prefabricated column 1, fillers such as expansion mortar or polyurethane road caulking glue are injected.

[0048] (7) Node completed.

[0049] Example 2, a prefabricated column base connection node, the structure is as follows Figure 1-3 As shown, this embodiment is similar to embodiment 1, except that the embedded parts 6 are made of embedded steel bars.

[0050] Obviously, the above description is only a partial embodiment of the present invention, and not all embodiments. The above embodiments are not intended to limit the present invention. For those skilled in the art, various modifications and variations of the present invention are possible. Any combination, modification, equivalent replacement, improvement, and other embodiments that can be made by those of ordinary skill in the art within the spirit and principles of the present invention shall be within the scope of protection of the present invention.

Claims

1. An assembled column base connection node, characterized in that: The invention comprises a prefabricated foundation (2), wherein a foundation reserved cup (8) is provided at the center of the prefabricated foundation (2), a plurality of foundation embedded anchor bolts (7) are pre-embedded in the prefabricated foundation (2) around the foundation reserved cup (8), and a foundation embedded steel plate (4) is welded to the top of the foundation embedded anchor bolts (7); a prefabricated column (1) is provided in the foundation reserved cup (8), a column embedded steel plate (5) is pre-embedded on the prefabricated column (1) at the height of the top of the foundation reserved cup (8), and a plurality of ribbed plates (3) are welded between the column embedded steel plate (5) and the foundation embedded steel plate (4).

2. The assembled column base connection node according to claim 1, characterized in that: The column embedded steel plate (5) is arranged in a rectangular shape, and the steel plates on each side of the rectangle are arranged vertically.

3. The assembled column base connection node according to claim 2, characterized in that: On the inner walls of the vertically arranged (4) steel plates, a plurality of embedded parts (6) are welded in the horizontal and vertical directions respectively.

4. The assembled column base connection node according to claim 2, characterized in that: A plurality of ribbed plates (3) are respectively welded to the outer walls of the vertically arranged (4) steel plates.

5. The assembled column base connection node according to claim 3, characterized in that: The embedded part (6) is a embedded anchor bolt.

6. The assembled column base connection node according to claim 3, characterized in that: The embedded parts (6) are embedded steel bars.

7. The assembled column base connection node according to claim 1, characterized in that: A reserved steel plate groove matching the shape of the foundation embedded steel plate (4) is provided around the reserved foundation cup opening (8).

8. The assembled column base connection node according to claim 1, characterized in that: The foundation embedded steel plate (4) is arranged in a horizontal rectangular ring, and a plurality of foundation embedded anchor bolts (7) are welded to the bottom of each side.

9. The assembled column base connection node according to any one of claims 1 to 8, characterized in that: The surfaces of the foundation embedded steel plates (4), the column embedded steel plates (5) and the ribbed plates (3) are provided with a sprayed metal layer, and the surface of the sprayed metal layer is provided with an anti-corrosion layer.

10. The assembled column base connection node according to any one of claims 1 to 8, characterized in that: A filling material layer is provided in the gap formed between the foundation reserved cup (8) and the prefabricated column (1).

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