Right-angle light steel combined beam column connecting joint

Abstract

The utility model relates to the technical field of steel structures, and discloses a right-angle light steel combined beam column connecting joint which comprises a combined column and two combined beams fixed at the upper end of the combined column, the combined column and the combined beams are vertically arranged, and the two combined beams are vertically arranged. Each combination column comprises a plurality of vertical C-shaped steels and a pair of symmetrically arranged vertical U-shaped steels, each combination beam comprises two symmetrically arranged transverse C-shaped steels and two symmetrically arranged transverse U-shaped steels, the outer sides of the end parts of the two combination beams are fixedly connected through first connecting parts, and the lower ends of the first connecting parts are fixed on the combination columns; and the inner sides of the end parts of the two composite beams are fixedly connected through a second connecting part. The C-shaped steel and the U-shaped steel are combined into the combination columns and the combination beams, the combination beams and the combination columns are connected through the self-tapping screws and the connecting parts, a good node connecting effect is achieved, high bearing capacity and rigidity can be obtained with small material consumption, the dead weight of the beam columns can be effectively reduced, and the construction period can be effectively shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structures, in particular to a right-angle light steel composite beam-column connection node. Background Art

[0002] The node is an important link in any beam-column structure system that smoothly transmits the roof and floor loads to the foundation. Moreover, under the horizontal load caused by external forces such as earthquakes and typhoons, the node is also the key area for whether the load can be evenly transmitted in the horizontal direction. Therefore, the node design determines the final force analysis model of the entire structure. Whether the node problem can be solved correctly and reasonably will directly affect the reliability of the entire structural design, and will also have a direct impact on the progress, cost, and construction quality of the entire project. At present, in most of my country's building systems, beams, columns and their beam-column nodes are made of reinforced concrete structures, which have high energy consumption, long construction period, and heavy deadweight. Utility Model Content

[0003] The purpose of the utility model is to provide a right-angle light steel composite beam-column connection node, which is composed of a composite column and a composite beam by combining C-shaped steel and U-shaped steel, and the composite beam and the composite column are connected by self-tapping screws and a connecting part. It has a good node connection effect, can obtain a higher bearing capacity and rigidity with a smaller amount of material, can effectively reduce the dead weight of the beam and column, and effectively shorten the construction period.

[0004] The above technical objectives of the utility model are achieved through the following technical solutions:

[0005] A right-angle light steel composite beam-column connection node comprises a composite column and two composite beams fixed to the upper end of the composite column, wherein the composite column and the composite beam are vertically arranged, and the two composite beams are vertically arranged between each other;

[0006] The combined column comprises a plurality of vertical C-shaped steels and a pair of symmetrically arranged vertical U-shaped steels, wherein the plurality of vertical C-shaped steels are close to each other, and the pair of vertical U-shaped steels are inserted on both sides of the combination of the plurality of vertical C-shaped steels;

[0007] The composite beam comprises two symmetrically arranged transverse C-shaped steels and two symmetrically arranged transverse U-shaped steels, the two transverse U-shaped steels are respectively inserted into the upper side and the lower side of the combination of the two transverse C-shaped steels; the end of one composite beam is pressed against the side surface of the other composite beam;

[0008] The outer sides of the ends of the two combined beams are fixedly connected by a first connecting portion, the lower end of the first connecting portion is fixed on the combined column; the inner sides of the ends of the two combined beams are fixedly connected by a second connecting portion.

[0009] According to the above technical solution, in the assembly step of the combined column, a plurality of vertical C-shaped steels are placed together in a certain form, and two adjacent vertical C-shaped steels are fixedly connected by screws, so that the plurality of vertical C-shaped steels are first formed into a combined body, and then two vertical U-shaped steels are put on both sides of the combined body, and the vertical U-shaped steels are fixed to the combined body by self-tapping screws;

[0010] The assembly steps of the composite beam are as follows: two transverse C-shaped steels are symmetrically placed close together, and the two transverse C-shaped steels are fastened into a composite body by screws; then transverse U-shaped steels are put on both sides of the composite body, and the transverse U-shaped steels are fixed to the composite body by self-tapping screws;

[0011] Composite beam-column connection steps: tighten the composite column, place the two ends of the composite beam on the corresponding two composite columns, first place the two composite beam ends on the same composite column at a certain position, then fix the two composite beams and the composite column together through the first connection part, and then fix the second connection part on the two composite beams, which can further improve the connection stability of the two composite beams.

[0012] The utility model is further configured as follows: a right-angle connection block is provided between the lower side wall of each composite beam and the composite column, and two ends of the right-angle connection block are respectively fixed to the composite beam and the composite column by self-tapping screws.

[0013] Through the above technical solution, the connection stability between the composite beam and the composite column can be further improved by the right-angle connecting block, and the dislocation or relative movement thereof can be prevented.

[0014] The utility model is further configured as follows: the first connecting portion includes a bent “L”-shaped plate and a rectangular flat plate, and the rectangular flat plate is vertically arranged to the “L”-shaped plate;

[0015] The upper ends of the rectangular flat plate and the "L"-shaped plate are respectively fixed to the transverse C-shaped steels of the two composite beams by self-tapping screws;

[0016] The lower end of the "L"-shaped plate is fixed to a side wall of the upper end of the combined column by self-tapping screws.

[0017] Through the above technical solution, the first connecting part is integrally formed, which can improve the overall stability of the first connecting part, thereby improving the connection stability between the beam and the column.

[0018] The utility model is further configured as follows: the end of another composite beam is inserted into the U-shaped sleeve, the two ends of the U-shaped sleeve are fixed to the corresponding transverse C-shaped steel by self-tapping screws, and the middle part of the U-shaped sleeve is fixed to the rectangular plate by self-tapping screws.

[0019] Through the above technical solution, the connection relationship between another composite beam and the first connecting part can be increased through the U-shaped sleeve, which can increase the connection stability between the composite beams.

[0020] The utility model is further configured as follows: the second connection portion includes two first flat plates arranged vertically, the upper ends of the first flat plates are formed with folding plates arranged vertically therewith, and the first flat plates and the folding plates are fixedly connected to the corresponding combined beams by self-tapping screws.

[0021] By integrally forming the second connecting portion, the stability between the two combined beams can be further improved.

[0022] The beneficial effects of the utility model are:

[0023] Compared with the existing technology, the composite columns and composite beams are combined by C-shaped steel and U-shaped steel, and the composite beams and composite columns are connected by self-tapping screws and connecting parts. It has a better node connection effect, can obtain higher bearing capacity and stiffness with less material consumption, can effectively reduce the dead weight of beams and columns, and effectively shorten the construction period. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional schematic diagram of the first direction of the utility model;

[0025] Figure 2 It is a three-dimensional schematic diagram of the second direction of the utility model;

[0026] Figure 3 It is a three-dimensional schematic diagram of the third direction of the utility model;

[0027] Figure 4 for Figure 3 A schematic diagram of the structure after the first connecting part is hidden;

[0028] Figure 5 It is a structural schematic diagram of the first connecting part of the utility model;

[0029] Figure 6 It is a structural schematic diagram of the second connecting part of the utility model;

[0030] Figure 7 It is a schematic diagram of the end face of the composite beam of the utility model;

[0031] Figure 8 It is a schematic diagram of the end face of the combined column of the utility model.

[0032] Reference numerals: 10, composite column; 101, vertical C-shaped steel; 102, vertical U-shaped steel;

[0033] 20. Composite beam; 201. Transverse C-shaped steel; 202. Transverse U-shaped steel;

[0034] 30. First connecting portion; 301. "L"-shaped plate; 302. Rectangular flat plate;

[0035] 40. second connecting portion; 401. first flat plate; 402. folding plate;

[0036] 50. Right angle connection block;

[0037] 60. U-shaped sleeve. DETAILED DESCRIPTION

[0038] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0039] The following references Figures 1 to 8 The utility model is described as follows:

[0040] A right-angle light steel composite beam-column connection node comprises a composite column 10 and two composite beams 20 fixed to the upper end of the composite column 10, wherein the composite column 10 and the composite beam 20 are vertically arranged, and the two composite beams 20 are vertically arranged between each other;

[0041] The combined column 10 includes a plurality of vertical C-shaped steels 101 and a pair of symmetrically arranged vertical U-shaped steels 102. The plurality of vertical C-shaped steels 101 are close to each other, and the pair of vertical U-shaped steels 102 are inserted on both sides of the combination of the plurality of vertical C-shaped steels 101.

[0042] The composite beam 20 includes two symmetrically arranged transverse C-shaped steels 201 and two symmetrically arranged transverse U-shaped steels 202. The two transverse U-shaped steels 202 are respectively inserted into the upper and lower sides of the combination of the two transverse C-shaped steels 201. The end of one composite beam 20 is pressed against the side surface of the other composite beam 20.

[0043] The outer sides of the ends of the two composite beams 20 are fixedly connected by a first connecting portion 30 , and the lower end of the first connecting portion 30 is fixed to the composite column 10 ; the inner sides of the ends of the two composite beams 20 are fixedly connected by a second connecting portion 40 .

[0044] The assembly steps of the combined column are as follows: a plurality of vertical C-shaped steels are placed together in a certain form, and two adjacent vertical C-shaped steels are fixedly connected by screws, so that the plurality of vertical C-shaped steels are first formed into a combined body, and then two vertical U-shaped steels are put on both sides of the combined body, and the vertical U-shaped steels are fixed to the combined body by self-tapping screws;

[0045] The assembly steps of the composite beam are as follows: two transverse C-shaped steels are symmetrically placed close together, and the two transverse C-shaped steels are fastened into a composite body by screws; then transverse U-shaped steels are put on both sides of the composite body, and the transverse U-shaped steels are fixed to the composite body by self-tapping screws;

[0046] Composite beam-column connection steps: tighten the composite column, place the two ends of the composite beam on the corresponding two composite columns, first place the two composite beam ends on the same composite column at a certain position, then fix the two composite beams and the composite column together through the first connection part, and then fix the second connection part on the two composite beams, which can further improve the connection stability of the two composite beams.

[0047] A right-angle connection block 50 is provided between the lower side wall of each composite beam 20 and the composite column 10 , and two ends of the right-angle connection block 50 are fixed to the composite beam 20 and the composite column 10 respectively by self-tapping screws.

[0048] The right-angle connection block can further improve the connection stability between the composite beam and the composite column, and prevent them from being misplaced or moving relative to each other.

[0049] The first connecting portion 30 includes a bent “L”-shaped plate 301 and a rectangular flat plate 302, wherein the rectangular flat plate 302 is vertically arranged to the “L”-shaped plate 301;

[0050] The upper ends of the rectangular flat plate 302 and the "L"-shaped plate 301 are respectively fixed to the transverse C-shaped steels 201 of the two composite beams 20 by self-tapping screws;

[0051] The lower end of the “L”-shaped plate 301 is fixed to a side wall of the upper end of the composite column 10 by self-tapping screws.

[0052] The first connecting portion is integrally formed, which can improve the overall stability of the first connecting portion, thereby improving the connection stability between the beam and the column.

[0053] The end of another composite beam 20 is inserted into the U-shaped sleeve 60, both ends of the U-shaped sleeve 60 are fixed to the corresponding transverse C-shaped steel 201 by self-tapping screws, and the middle of the U-shaped sleeve 60 is fixed to the rectangular plate 302 by self-tapping screws.

[0054] The U-shaped sleeve can increase the connection relationship between another composite beam and the first connecting portion, thereby increasing the connection stability between the composite beams.

[0055] The second connection part 40 includes two first flat plates 401 arranged vertically. A folded plate 402 arranged vertically therewith is formed at the upper end of the first flat plate 401. The first flat plate 401 and the folded plate 402 are fixedly connected to the corresponding composite beam 20 by self-tapping screws.

[0056] By integrally forming the second connecting portion, the stability between the two combined beams can be further improved.

[0057] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications of the above assumptions should also be regarded as the protection scope of the present invention.

Claims

1. A right-angle light steel composite beam-column connection node, comprising a composite column (10) and two composite beams (20) fixed to the upper ends of the composite column (10), characterized in that: The combined column (10) and the combined beam (20) are arranged vertically, and the two combined beams (20) are arranged vertically between each other; The combined column (10) comprises a plurality of vertical C-shaped steels (101) and a pair of symmetrically arranged vertical U-shaped steels (102); the plurality of vertical C-shaped steels (101) are close to each other, and the pair of vertical U-shaped steels (102) are inserted on both sides of the combined body of the plurality of vertical C-shaped steels (101); The combined beam (20) comprises two symmetrically arranged transverse C-shaped steels (201) and two symmetrically arranged transverse U-shaped steels (202), the two transverse U-shaped steels (202) being respectively inserted into the upper side and the lower side of the combination of the two transverse C-shaped steels (201); the end of one combined beam (20) is pressed against the side surface of the other combined beam (20); The outer sides of the ends of the two combined beams (20) are fixedly connected via a first connection portion (30), and the lower end of the first connection portion (30) is fixed to the combined column (10); the inner sides of the ends of the two combined beams (20) are fixedly connected via a second connection portion (40).

2. A right-angle light steel composite beam-column connection node according to claim 1, characterized in that: A right-angle connection block (50) is provided between the lower side wall of each composite beam (20) and the composite column (10), and two ends of the right-angle connection block (50) are respectively fixed to the composite beam (20) and the composite column (10) by self-tapping screws.

3. A right-angle light steel composite beam-column connection node according to claim 1, characterized in that: The first connecting portion (30) comprises a bent "L"-shaped plate (301) and a rectangular flat plate (302), wherein the rectangular flat plate (302) is arranged perpendicular to the "L"-shaped plate (301); The upper ends of the rectangular flat plate (302) and the "L"-shaped plate (301) are respectively fixed to the transverse C-shaped steels (201) of the two composite beams (20) by self-tapping screws; The lower end of the "L"-shaped plate (301) is fixed to a side wall of the upper end of the combined column (10) by means of self-tapping screws.

4. A right-angle light steel composite beam-column connection node according to claim 3, characterized in that: The end of another composite beam (20) is inserted into the U-shaped sleeve (60), both ends of the U-shaped sleeve (60) are fixed to the corresponding transverse C-shaped steel (201) by self-tapping screws, and the middle of the U-shaped sleeve (60) is fixed to the rectangular plate (302) by self-tapping screws.

5. The right-angle light steel composite beam-column connection node according to claim 1, characterized in that: The second connecting portion (40) comprises two first flat plates (401) arranged vertically, the upper ends of the first flat plates (401) are formed with folded plates (402) arranged vertically therewith, and the first flat plates (401) and the folded plates (402) are fixedly connected to the corresponding composite beams (20) by means of self-tapping screws.

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