CN113668703B - Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam with three-layer ring plate structure - Google Patents
Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam with three-layer ring plate structure Download PDFInfo
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- CN113668703B CN113668703B CN202111100870.2A CN202111100870A CN113668703B CN 113668703 B CN113668703 B CN 113668703B CN 202111100870 A CN202111100870 A CN 202111100870A CN 113668703 B CN113668703 B CN 113668703B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 154
- 239000010959 steel Substances 0.000 title claims abstract description 154
- 238000003780 insertion Methods 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2421—Socket type connectors
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a direct-insertion bolt-free connecting node of a closed cavity column and a steel beam of a three-layer annular plate structure, which comprises a first steel column, at least one first steel beam, at least one second steel beam and steel beam splicing steel structure; the steel beam splicing steel structure comprises an upper ring plate, a middle ring plate, a lower ring plate and a connecting column; the beam column splicing structure is simple in structure and clear in force transmission; after the bolts are omitted, a large number of bolt holes do not need to be formed in the web plate of the steel beam, the base material is lossless, the shearing force is better transmitted, secondary conduction of a traditional bolt connection node is omitted, and the whole stress structure is excellent. A large number of high-strength bolts and materials for the double-sided clamping plates are saved, and the cost is greatly reduced. The steel beam is connected with the column in an inserting mode, perpendicularity and flatness of the frame are adjusted, installation difficulty is reduced, construction period is shortened, and installation cost is reduced. In addition, the three-layer ring plate structure is adopted, the method is suitable for the condition of different beam heights in the construction stage, and the application range is wider.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a direct-insertion bolt-free connecting node of a closed cavity column and a steel beam of a three-layer ring plate structure.
Background
The post of closed cavity such as pipe, rectangular pipe with being connected of girder steel, traditional typical way is originally bracket erection welding on the steel column, then with the web of girder steel, adopts high strength bolt, still need add splint a bit, carries out bolted connection. For a large-load frame structure, the using amount of the beam-column connecting joint bolts is large, the cost is high, and the construction is complicated.
Disclosure of Invention
The invention aims to provide a beam-column plug-in type node which saves the using amount of bolts, optimizes a beam-column stress structure and is suitable for various beam heights.
In order to achieve the purpose, the invention provides a direct-insertion bolt-free connecting node of a closed cavity column and a steel beam of a three-layer ring plate structure, which comprises a first steel column, at least one first steel beam, at least one second steel beam and a steel beam inserting steel structure;
the steel beam splicing steel structure comprises an upper ring plate, a middle ring plate and a lower ring plate, wherein the upper ring plate, the middle ring plate and the lower ring plate are coaxially arranged up and down at a certain interval, and a connecting column is arranged between two adjacent ring plates up and down;
the steel beam splicing steel structure is welded at the end part of the first steel column, and the end surface of the first steel column is welded and fixed with the surface of the lower annular plate;
the first steel beam and the second steel beam are connected with the steel beam splicing steel structure in a splicing manner in different directions; the lower edge of the first steel beam web plate is placed on the surface of the lower ring plate, and first slots are formed in the side edges of the middle ring plate and the upper ring plate; after the end part of the first steel beam web plate is inserted into the first slot, the upper flange of the first steel beam is mutually jointed with the upper ring plate, and the lower flange of the first steel beam is mutually jointed with the lower ring plate;
the lower edge of the second steel beam is placed on the surface of the middle ring plate, and a second slot can be formed in the side edge of the upper ring plate; and after the end part of the second steel beam web plate is inserted into the second slot, the upper flange of the second steel beam is mutually connected with the upper ring plate, and the lower flange of the second steel beam is mutually connected with the middle ring plate.
Further, after the slot was inserted to the web, the tip of web contradicted to the surface of spliced pole will through the welding first girder steel and second girder steel with go up the crown plate, down crown plate, middle part crown plate and the joint seam welding of spliced pole is sealed.
Furthermore, the steel plate connecting device further comprises a limiting part used for preventing the first steel beam and the second steel beam from falling laterally in the inserting stage, and the limiting part is fixed on the lower surface of the upper annular plate or the surface of the connecting column.
Furthermore, the limiting pieces are two limiting plates which are arranged in parallel, and a gap of an inserting web plate is reserved between the two limiting plates;
the two limiting plates and the webs of the first steel beam and the second steel beam are provided with corresponding bolt holes, and after the first steel beam or the second steel beam is spliced and positioned, the pre-fixing of the limiting plates is realized through a single bolt.
And the second steel column is welded and fixed with the upper ring plate by welding after concrete is poured in the first steel column and the steel beam splicing steel structure.
Further, first steel column, spliced pole and second steel column are the equal same post of pipe diameter and shape, including cylinder or rectangle post.
Further, the web heights of the first steel beam and the second steel beam are different.
Compared with the prior art, the invention has the advantages that:
1. the structure is simple, and the force transmission is clear; after the bolts are omitted, a large number of bolt holes do not need to be formed in the web plate of the steel beam, the base material is lossless, the shearing force is better transmitted, secondary conduction of a traditional bolt connection node is omitted, and the whole stress structure is excellent.
2. The material consumption is reduced, and the manufacturing cost of the system is reduced; a large number of high-strength bolts and materials for the double-sided clamping plates are saved, and the cost is greatly reduced.
3. The steel beam is connected with the column in an inserting mode, perpendicularity and flatness of the frame are adjusted, installation difficulty is reduced, construction period is shortened, and installation cost is reduced.
4. The welding joint of girder steel and post can adopt welding robot to combine BIM model to realize the on-the-spot welding, reduces the cost of labor, and welding quality obtains guaranteeing.
5. The invention adopts a three-layer annular plate structure, is suitable for the condition of different beam heights in the construction stage and has wider application range.
Drawings
Fig. 1 is a schematic view of an overall structure of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam of a three-layer ring plate structure in this embodiment;
FIG. 2 is a cross-sectional view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam of a three-layer ring plate structure in the embodiment;
fig. 3 is an exploded view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam of a three-layer ring plate structure in the embodiment;
FIG. 4 is an exploded cross-sectional view of a direct-insert type bolt-free connection node of a closed cavity column and a steel beam of a three-layer ring plate structure in the present embodiment;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be further described below.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the invention provides a direct-insertion bolt-free connection node of a closed cavity column and a steel beam of a three-layer ring plate structure, which comprises a first steel column 1, at least one first steel beam 2, at least one second steel beam 3 and a steel beam insertion steel structure;
the steel beam splicing steel structure comprises an upper ring plate 4, a middle ring plate 5 and a lower ring plate 6, wherein the upper ring plate 4, the middle ring plate 5 and the lower ring plate 6 are coaxially arranged up and down at a certain interval, and a connecting column 7 is arranged between two adjacent upper and lower ring plates;
the steel beam splicing steel structure is welded at the end part of the first steel column 1, and the end surface of the first steel column 1 is welded and fixed with the surface of the lower annular plate 6;
the first steel beam 2 and the second steel beam 3 are connected with the steel beam splicing steel structure in a splicing manner in different directions; the lower edge of a web plate of the first steel beam 2 is placed on the surface of the lower ring plate 6, and the side edges of the middle ring plate 5 and the upper ring plate 4 are both provided with first slots 8; after the end part of the web plate of the first steel beam 2 is inserted into the first slot 8, the upper flange of the first steel beam 2 is mutually connected with the upper ring plate 4, and the lower flange of the first steel beam 2 is mutually connected with the lower ring plate 6;
the lower edge of the second steel beam 3 is placed on the surface of the middle ring plate 5, and a second slot 9 can be formed in the side edge of the upper ring plate 4; after the tip of 3 webs of second girder steel inserted second slot 9 for 3 top flanges of second girder steel link up each other with last crown plate 4, 3 bottom flanges of second girder steel link up each other with middle part crown plate 5.
The beam column is inserted and connected with the beam column, so that the structure is simple and the force transmission is clear; after the bolts are omitted, a large number of bolt holes do not need to be formed in the web plate of the steel beam, the base material is lossless, the shearing force is better transmitted, secondary conduction of a traditional bolt connection node is omitted, and the whole stress structure is excellent. In addition, a large number of high-strength bolts and double-sided clamping plates are omitted, and cost is greatly reduced.
In this embodiment, after the web inserted the slot, the tip of web contradicts to the surface of spliced pole 7, through welding with the first girder steel 2 and the second girder steel 3 with upper ring plate 4, lower ring plate 6, middle part ring plate 5 and spliced pole 7 the joint line welded seal.
In this embodiment, the steel structure further includes a limiting member for preventing the first steel beam 2 and the second steel beam 3 from falling sideways during the insertion stage, and the limiting member is fixed on the lower surface of the upper ring plate 4 or the surface of the connecting column 7.
In this embodiment, the limiting member is two limiting plates 10 arranged in parallel, and a gap of an insertion web plate is reserved between the two limiting plates 10;
be equipped with corresponding bolt hole on the web of two limiting plates 10 and first girder steel 2 and second girder steel 3, first girder steel 2 or second girder steel 3 grafting location back, through single bolt realization with limiting plate 10's pre-fixing.
In this embodiment, the steel structure further includes a second steel column 11 coaxially welded to the upper ring plate 4, and the second steel column 11 is welded to the upper ring plate 4 by welding after concrete is poured into the first steel column 1 and the steel beam splicing steel structure.
In this embodiment, the first steel column 1, the connecting column 7, and the second steel column 11 are columns having the same pipe diameter and shape, and include cylinders or rectangular columns.
In this embodiment, the web heights of the first steel beam 2 and the second steel beam 3 are different, and in the actual construction process, the situation of different beam heights generally exists, and at this time, the upper flanges of different steel beams are flush, but the heights of the lower flanges are different, and three layers of ring plates are arranged, even the three layers of ring plates are not limited to the three layers of ring plates provided by the invention, and can be four layers or multiple layers, so that the steel beams with various heights are spliced at different angles of the same steel column, and the steel beam splicing device is more applicable to engineering and excellent in applicability.
The above embodiments are compared with the existing beam-column structure, and the economic advantages are illustrated by the following specific examples:
for a frame structure with 12 × 12-meter column net and 2 tons/square meter floor load, 480M 24 × 120 high-strength bolts are needed to be arranged at the joints where the original main beams and the columns are connected (assuming that the columns are connected with four beams), double-sided splints are adopted, the price of only the bolt part is 5000 yuan, and in addition, each Liang Genbu is also provided with two splints with the weight of 600 × 1000mm, and the average weight is about 50 kilograms/block; the area of the floor is distributed, and the area exceeds 60 yuan/square meter. The invention can save the price of the part and has great significance.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A direct-insertion type bolt-free connecting node of a closed cavity column and a steel beam of a three-layer annular plate structure is characterized by comprising a first steel column, at least one first steel beam, at least one second steel beam and a steel beam inserting steel structure;
the steel beam splicing steel structure comprises an upper ring plate, a middle ring plate and a lower ring plate, wherein the upper ring plate, the middle ring plate and the lower ring plate are coaxially arranged up and down at a certain interval, and a connecting column is arranged between two adjacent upper and lower ring plates;
the steel beam splicing steel structure is welded at the end part of the first steel column, and the end surface of the first steel column is welded and fixed with the surface of the lower annular plate;
the first steel beam and the second steel beam are connected with the steel beam splicing steel structure in a splicing manner in different directions; the lower edge of the first steel beam web plate is placed on the surface of the lower ring plate, and first slots are formed in the side edges of the middle ring plate and the upper ring plate; after the end part of the first steel beam web plate is inserted into the first slot, the upper flange of the first steel beam is mutually jointed with the upper ring plate, and the lower flange of the first steel beam is mutually jointed with the lower ring plate;
the lower edge of the second steel beam is placed on the surface of the middle ring plate, and a second slot can be formed in the side edge of the upper ring plate; after the end part of the second steel beam web plate is inserted into the second slot, the upper flange of the second steel beam is mutually connected with the upper ring plate, and the lower flange of the second steel beam is mutually connected with the middle ring plate;
after the web plate is inserted into the slot, the end part of the web plate is abutted to the surface of the connecting column, and the first steel beam and the second steel beam are welded and sealed with the connecting seams of the upper ring plate, the lower ring plate, the middle ring plate and the connecting column through welding;
the limiting piece is fixed on the lower surface of the upper ring plate or the surface of the connecting column;
the limiting pieces are two limiting plates which are arranged in parallel, and a gap of the inserting web plate is reserved between the two limiting plates;
the two limiting plates and the webs of the first steel beam and the second steel beam are provided with corresponding bolt holes, and after the first steel beam or the second steel beam is inserted and positioned, the pre-fixing of the limiting plates is realized through a single bolt.
2. The direct-insertion bolt-free connecting joint of the closed cavity column and the steel beam of the three-layer ring plate structure according to claim 1, further comprising a second steel column coaxially welded with the upper ring plate, wherein the second steel column is welded and fixed with the upper ring plate after concrete is poured in the first steel column and the steel beam splicing steel structure.
3. The direct-insertion bolt-free connection node of the closed cavity column and the steel beam of the three-layer ring plate structure according to claim 2, wherein the first steel column, the connecting column and the second steel column are columns with the same pipe diameter and shape, and comprise cylindrical columns or rectangular columns.
4. An in-line bolt-free connection node of a closed cavity column and a steel beam of a three-layer ring plate structure according to claim 1, wherein the web heights of the first steel beam and the second steel beam are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111100870.2A CN113668703B (en) | 2021-09-18 | 2021-09-18 | Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam with three-layer ring plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111100870.2A CN113668703B (en) | 2021-09-18 | 2021-09-18 | Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam with three-layer ring plate structure |
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| Publication Number | Publication Date |
|---|---|
| CN113668703A CN113668703A (en) | 2021-11-19 |
| CN113668703B true CN113668703B (en) | 2023-03-28 |
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| CN202111100870.2A Active CN113668703B (en) | 2021-09-18 | 2021-09-18 | Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam with three-layer ring plate structure |
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| CN115262754B (en) * | 2022-09-08 | 2023-05-09 | 福建江夏学院 | Rigid-connected joints of bolts on outer reinforcement rings of H-shaped steel beams of prefabricated steel tube concrete columns |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102926464A (en) * | 2012-11-09 | 2013-02-13 | 沈阳建筑大学 | Connection node suitable for the deformed steel frame with different heights of left beam and right beams |
| CN107893481B (en) * | 2017-12-21 | 2019-03-15 | 青岛理工大学 | Full-assembly steel frame structure system with recovery function |
| JP7169836B2 (en) * | 2018-10-03 | 2022-11-11 | 矢作建設工業株式会社 | Building column-beam joint structure |
| CN110725406B (en) * | 2019-09-18 | 2025-01-03 | 长安大学 | Connection method of composite steel tube concrete column and steel beam and an integral external reinforcement ring connection node |
| CN111119335B (en) * | 2020-01-13 | 2024-09-06 | 河北科技大学 | Energy-consumption connection steel structure beam column node and installation method thereof |
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