Assembly type frame structure beam column connecting piece

Abstract

The utility model relates to the technical field of assembly type buildings, in particular to an assembly type frame structure beam column connecting piece which comprises a first end plate, a second end plate, four groups of steel pipes, empty holes and a web plate. The first end plate and the second end plate are connected with the assembly type frame structure beams or the assembly type frame structure columns respectively. The four sets of steel pipes are distributed in a rectangular mode, the two ends of each steel pipe are fixedly connected with the first end plate and the second end plate correspondingly, and the steel pipes are hollow. And at least two empty holes are formed in the top of each group of steel pipes. The web plate is arranged between the first end plate and the second end plate, the web plate is obliquely arranged, and the upper end and the lower end of the web plate are fixedly connected with the two groups of diagonal steel pipes respectively. According to the assembly type frame structure beam column connecting piece, the four sets of steel pipes are arranged between the first end plate and the second end plate, the webs are arranged among the four sets of steel pipes in a crossed mode, and compared with the mode that two sets of steel pipes are arranged in the prior art, the strength of the connecting piece can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fabricated building, more specifically, particularly relates to a fabricated frame structure beam column connecting piece. BACKGROUND

[0002] In the prefabricated reinforced concrete frame structure, the part connected by the prefabricated beam and column components is called beam-column joint, also known as joint core area, which is the key part of the main structure stress. The beam-column joint is in the stress state of bending moment, shear force and axial force in the structure; it mainly cooperates with beams, columns and other components to form an integral structure to resist external loads and maintain structural stability and safety.

[0003] The invention patent application with publication number CN110359554A discloses a fabricated frame structure beam column energy dissipation connecting key, which is composed of two steel pipe concretes and webs by setting between end plates; the end plate and steel pipe concrete combination is a connecting key that improves sufficient bearing capacity, and the steel pipe concrete has large plastic deformation and energy dissipation performance after yielding; the end plate and frame concrete beam column are detachably fixedly connected to ensure timely replacement and repair of the energy dissipation connecting key. However, when the device is used, it is difficult to inject concrete into the steel pipe, and it is difficult to ensure that the concrete can effectively fill the inside of the steel pipe, affecting the plastic deformation capacity and energy dissipation capacity, and there is a certain deficiency.

[0004] Subsequently, the utility model patent with publication number CN222252493U discloses a fabricated frame structure beam column connecting piece, which comprises an end plate one, an end plate two, and further comprises: two groups of steel pipes, the two ends of which are fixedly connected with the end plate one and the end plate two respectively, and the steel pipes are hollowly arranged; a plurality of groups of holes are arranged on the steel pipes at equal intervals; a pipe is inserted into one group of holes, and the pipe is used for injecting concrete into the steel pipe. The utility model discloses the setting of the hole and the pipe, which can facilitate the inflow of concrete when used, and can stop injection when the concrete flows out through the hole, and can be used after waiting for the concrete to solidify. However, the prior art only uses two groups of steel pipes, which has poor strength and shear resistance. UTILITY MODEL CONTENTS

[0005] The utility model overcomes the above-mentioned situation, and aims to provide a fabricated frame structure beam column connecting piece that can solve the above-mentioned problems.

[0006] An assembled frame structure beam-column connector, comprising a first end plate, a second end plate, four groups of steel pipes, a plurality of holes and a web plate. The first end plate and the second end plate are respectively connected with an assembled frame structure beam or an assembled frame structure column. The four groups of steel pipes are distributed in a rectangular shape and are fixedly connected with the first end plate and the second end plate at both ends, and the steel pipes are hollow. At least two of the plurality of holes are arranged at the top of each group of steel pipes. The web plate is arranged between the first end plate and the second end plate, and the web plate is arranged obliquely and fixedly connected with two groups of steel pipes diagonally at the upper and lower ends.

[0007] Further, the steel pipe comprises a thick pipe and a thin pipe, the thick pipe and the thin pipe are coaxially arranged and communicate with each other, the thin pipe is inserted into the thick pipe near one end of the thick pipe, and the outer diameter of the thin pipe is matched with the inner diameter of the thick pipe.

[0008] Further, the thick pipe and the thin pipe are each provided with a plurality of holes at the top, the plurality of holes of the thin pipe on the lower side are connected with the bottom of the thin pipe on the upper side through a grouting connecting pipe, the plurality of holes of the thin pipe on the upper side are grouting holes, the plurality of holes of the thick pipe on the upper side are leakage holes, the plurality of holes of the thick pipe on the lower side are fixedly provided with a leakage pipe outside, and the leakage pipe is provided with a sealing cover.

[0009] Further, two web plates are arranged between the four thick pipes, and the two web plates are arranged in a cross shape; two web plates are also arranged between the four thin pipes, and the two web plates are arranged in a cross shape.

[0010] Further, a plurality of fixing bolts are further included, a plurality of bolt holes are uniformly arranged on the first end plate and the second end plate, the fixing bolts are arranged in the bolt holes, and the first end plate and the second end plate are connected with the assembled frame structure beam or the assembled frame structure column through the fixing bolts.

[0011] Further, a connecting plate and a connecting sleeve are further included, the connecting plate is arranged on the side away from each other of the first end plate and the second end plate, the connecting sleeve is fixed on the side away from the first end plate and the second end plate of the connecting plate, the connecting sleeve is correspondingly arranged with the fixing bolt, the connecting sleeve is embedded in the assembled frame structure beam or the assembled frame structure column, and the connecting sleeve is threadedly connected with the fixing bolt.

[0012] Further, the thick pipe and the thin pipe are threadedly connected.

[0013] Further, one end of the thick pipe and the thin pipe away from each other is respectively welded with the first end plate and the second end plate.

[0014] Further, the sealing cover and the leakage pipe are threadedly connected.

[0015] Further, the fixing bolt is a high-strength bolt.

[0016] Compared with the prior art, the frame structure beam column connecting piece has the advantages that:

[0017] The frame structure beam column connecting piece has the advantages that: the four groups of steel pipes are arranged between the first end plate and the second end plate, and the webs are arranged between the four groups of steel pipes, so that the strength of the connecting piece is effectively increased.

[0018] The frame structure beam column connecting piece has the advantages that: each group of steel pipes is composed of a thin pipe and a thick pipe, and the thin pipe and the thick pipe are partially overlapped, so that the shear resistance of the connecting piece is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application. In the drawings:

[0020] Fig. 1 is a schematic diagram of the overall structure of the frame structure beam column connecting piece.

[0021] Fig. 2 is a front view of the frame structure beam column connecting piece.

[0022] Fig. 3 is a schematic diagram of the partial structure of the frame structure beam column connecting piece.

[0023] In the drawings: 1, first end plate; 2, second end plate; 3, web; 4, thick pipe; 5, thin pipe; 6, grouting hole; 7, grout leakage hole; 8, grouting connecting pipe; 9, grout leakage pipe; 10, sealing cover; 11, fixing bolt; 12, connecting plate; 13, connecting sleeve. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] As Figs. 1-3As shown, the prefabricated frame structure beam-column connector in this embodiment includes a first end plate 1, a second end plate 2, four sets of steel pipes, hollow holes, and a web plate 3. The first end plate 1 and the second end plate 2 are respectively connected to the prefabricated frame structure beam or prefabricated frame structure column. The four sets of steel pipes are rectangularly distributed and their ends are fixedly connected to the first end plate 1 and the second end plate 2 respectively; the steel pipes are hollow. At least two hollow holes are provided at the top of each set of steel pipes. The web plate 3 is located between the first end plate 1 and the second end plate 2, and the web plate 3 is inclined, with its upper and lower ends fixedly connected to two diagonally opposite sets of steel pipes respectively.

[0026] In this embodiment, each group of steel pipes includes a thick pipe 4 and a thin pipe 5. The thick pipe 4 and the thin pipe 5 are coaxially arranged and interconnected. The end of the thin pipe 5 closest to the thick pipe 4 is inserted into the thick pipe 4, so that the thick pipe 4 and the thin pipe 5 partially overlap. The outer diameter of the thin pipe 5 is adapted to the inner diameter of the thick pipe 4. Preferably, the thick pipe 4 and the thin pipe 5 can be connected by bolts or snap-fit ​​connections. The ends of the thick pipe 4 and the thin pipe 5 that are far apart from each other are fixedly connected to the first end plate 1 and the second end plate 2, respectively. Preferably, the thick pipe 4 and the thin pipe 5 are connected to the first end plate 1 and the second end plate 2 by welding.

[0027] In this embodiment, the thick tube 4 and the thin tube 5 are bolted together, and the ends of the thick tube 4 and the thin tube 5 that are far apart from each other are welded to the first end plate 1 and the second end plate 2, respectively.

[0028] In this embodiment, each of the thick pipe 4 and the thin pipe 5 has a hole at its top. The hole of the thin pipe 5 located on the lower side is connected to the bottom of the thin pipe 5 directly above it through a grouting connection pipe 8. The hole of the upper thin pipe 5 is a grouting hole 6, and the hole of the upper thick pipe 4 is a grout leakage hole 7. A grout leakage pipe 9 is vertically fixed to the outside of the hole of the lower thick pipe 4. A sealing cap 10 is provided at the upper end of the grout leakage pipe 9, and the sealing cap 10 is threadedly connected to the grout leakage pipe 9. Grout is injected into the steel pipe through the grouting hole 6. The grout entering the upper thin pipe 5 will flow to the thick pipe 4 and the lower steel pipe. The lower steel pipe is filled first, and the grout enters into the grout leakage pipe 9 and leaks out from the grout leakage pipe 9. At this time, the sealing cap 10 is installed, and the grout randomly fills the upper steel pipe. Grouting is stopped when the grout flows out from the grout leakage hole 7 of the upper thick pipe 4.

[0029] In this embodiment, four thick tubes 4 are arranged on the same side between the first end plate 1 and the second end plate 2. Two web plates 3 are arranged between the four thick tubes 4, and these two web plates 3 are arranged crosswise and fixed to each other at the intersection. Similarly, two web plates 3 are arranged between the four thin tubes 5, and these two web plates 3 are arranged crosswise and fixed to each other at the intersection.

[0030] The assembled frame structure beam-column connecting piece in the embodiment further comprises fixing bolts 11, a connecting plate 12 and a connecting sleeve 13, the first end plate 1 and the second end plate 2 are uniformly provided with a plurality of bolt holes, the fixing bolts 11 are arranged in the bolt holes, and the first end plate 1 and the second end plate 2 are connected with the assembled frame structure beam or the assembled frame structure column through the fixing bolts 11. The connecting plate 12 is arranged on the side of the first end plate 1 and the second end plate 2 away from each other. The connecting sleeve 13 is fixed on the side of the connecting plate 12 away from the first end plate 1 and the second end plate 2, and the connecting sleeve 13 is arranged in correspondence with the fixing bolts 11, the connecting sleeve 13 is embedded in the assembled frame structure beam or the assembled frame structure column, and the connecting sleeve 13 is threadedly connected with the fixing bolts 11. The fixing bolts 11 are high-strength bolts.

[0031] The working principle of the assembled frame structure beam-column connecting piece in the embodiment is as follows:

[0032] By arranging four groups of steel pipes between the first end plate 1 and the second end plate 2 and arranging the webs 3 between the four groups of steel pipes, the strength of the connecting piece can be effectively increased, compared with arranging two groups of steel pipes in the prior art. Each group of steel pipes is composed of a thin pipe 5 and a thick pipe 4, and the thin pipe 5 and the thick pipe 4 partially overlap, so that the shear resistance of the connecting piece can be enhanced.

[0033] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fabricated frame structure beam-column connection comprising a first end plate (1) and a second end plate (2), the first end plate (1) and the second end plate (2) are respectively connected with a fabricated frame structure beam or a fabricated frame structure column, characterized in that, Also include: Four groups of steel pipes, four groups of the steel pipe is rectangular distribution and both ends are fixedly connected with the first end plate (1) and second end plate (2), the steel pipe is hollowly arranged; Holes, at least two of the holes are arranged on the top of each group of the steel pipe; Web (3), the web (3) is arranged between the first end plate (1) and the second end plate (2), the web (3) is arranged obliquely and the upper and lower ends are fixedly connected with the two groups of steel pipes diagonally.

2. The prefabricated frame structure beam-column connection according to claim 1, wherein, The steel pipe includes thick pipe (4) and thin pipe (5), the thick pipe (4) and thin pipe (5) are coaxially arranged and communicated with each other, the thin pipe (5) is inserted into the thick pipe (4) near one end of the thick pipe (4), the outer diameter of the thin pipe (5) is matched with the inner diameter of the thick pipe (4).

3. The prefabricated frame structure beam-column connection according to claim 2, wherein, The thick pipe (4) and the thin pipe (5) are provided with one hole on the top, the hole of the lower thin pipe (5) is communicated with the bottom of the upper thin pipe (5) through the grouting connecting pipe (8), the hole of the upper thin pipe (5) is the grouting hole (6), the hole of the upper thick pipe (4) is the grouting leakage hole (7), the outer side of the hole of the lower thick pipe (4) is fixedly provided with the grouting leakage pipe (9), and the grouting leakage pipe (9) is provided with a sealing cover (10).

4. The prefabricated frame structure beam-column connection of claim 3, wherein, Two webs (3) are arranged between four thick pipes (4), and the two webs (3) are arranged in cross.

5. The prefabricated frame structure beam-column connection of claim 4, wherein, Also include a plurality of fixing bolts (11), the first end plate (1) and the second end plate (2) are uniformly provided with a plurality of bolt holes, the fixing bolts (11) are arranged in the bolt holes, and the first end plate (1) and the second end plate (2) are connected with the fabricated frame structure beam or the fabricated frame structure column through the fixing bolts (11).

6. The prefabricated frame structure beam-column connection of claim 5, wherein, Also include connecting plate (12) and connecting sleeve (13), the connecting plate (12) is arranged on the side of the first end plate (1) and the second end plate (2) away from each other; the connecting sleeve (13) is fixed on the side of the connecting plate (12) away from the first end plate (1) and the second end plate (2), and the connecting sleeve (13) is arranged correspondingly with the fixing bolt (11), the connecting sleeve (13) is embedded in the fabricated frame structure beam or the fabricated frame structure column, and the connecting sleeve (13) is threadedly connected with the fixing bolt (11).

7. The prefabricated frame structure beam-column connection according to claim 6, wherein, The thick pipe (4) and the thin pipe (5) are bolted.

8. The prefabricated frame structure beam-column connection according to claim 7, wherein, The end of the thick pipe (4) and the thin pipe (5) away from each other is respectively welded with the first end plate (1) and the second end plate (2).

9. The prefabricated frame structure beam-column connection of claim 8, wherein, The sealing cover (10) and the grouting leakage pipe (9) are threadedly connected.

10. The prefabricated frame structure beam-column connection of claim 9, wherein, The fixing bolt (11) is a high-strength bolt.

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