CN114412067B - Assembled light simple L-shaped section column and construction method thereof - Google Patents
Assembled light simple L-shaped section column and construction method thereof Download PDFInfo
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- CN114412067B CN114412067B CN202210158980.2A CN202210158980A CN114412067B CN 114412067 B CN114412067 B CN 114412067B CN 202210158980 A CN202210158980 A CN 202210158980A CN 114412067 B CN114412067 B CN 114412067B
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- shaped connecting
- flitch
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 238000010079 rubber tapping Methods 0.000 claims abstract description 20
- 238000005452 bending Methods 0.000 claims description 41
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses an assembled light simple L-shaped section column, which comprises three single columns, wherein the single columns are made of thin-wall square tubes, the upper ends of the three single columns are connected by adopting cold-formed angle steel connecting pieces, 45-degree oblique cold-formed U-shaped connecting pieces and 135-degree oblique cold-formed U-shaped connecting pieces, column shafts are connected by adopting at least one group of cold-formed L-shaped flitch plates, cold-formed angle steel connecting pieces are lined at the corner parts of webs of the 45-degree oblique cold-formed U-shaped connecting pieces and the side walls of the single columns, the cold-formed angle steel connecting pieces are fixedly connected with the single columns, the 45-degree oblique cold-formed U-shaped connecting pieces and the 135-degree oblique cold-formed U-shaped connecting pieces by adopting tapping screws I, and two sides of the 45-degree oblique cold-formed U-shaped connecting pieces and the 135-formed oblique cold-formed U-shaped connecting pieces are fixedly connected with the side walls of the single columns by adopting tapping screws II. The invention also discloses a construction method of the L-shaped section column. The invention is convenient for assembly, transportation and installation; can save manpower and resources, reduce pollution and has low comprehensive cost.
Description
Technical Field
The invention relates to the field of assembled steel structure buildings, in particular to a light simple special-shaped column.
Background
Along with the rapid promotion of building industrialization, the industry begins to develop assembled building, especially assembled steel structure building, and assembled steel structure building is a new building form with integrated cold bending design, factory production, on-site assembled connection and informatization management, and has the advantages of excellent quality of standard components, high assembly speed, energy conservation and environmental protection in construction, and the like, and has good popularization and application prospects.
The steel frame structure is used as an assembled building form convenient for construction, has definite force transmission and good stress performance, has high assembly potential, and is suitable for village and town residential building application. The frame column as the main stress member is required to meet the internal requirements of village and town residential buildings on simple construction, quick installation and convenience for increasing indoor use space. In order to meet the stress requirement in the steel frame system applied on a large scale, the section size of the column member is bigger, heavy mechanical equipment such as a crane is needed during construction, the cost is more expensive, and the construction of villages and towns is not facilitated. The special-shaped column structure adopts the concept of being integrated into zero, a plurality of small-section single columns are combined, so that the frame columns can be prevented from protruding indoors, the service area of a building is increased, the application is gradually increased, the existing special-shaped column forms are mostly welded and combined, the requirements of green and environment protection are not met, meanwhile, the problems of transportation, limited construction conditions and the like in village and town areas are considered, and the frame column forms which are light and convenient to assemble and carry and the corresponding construction method are required to be provided.
Disclosure of Invention
The invention provides an assembled light simple L-shaped section column convenient to assemble and carry and a construction method thereof, which aim to solve the technical problems in the prior art.
The invention adopts a technical scheme for solving the technical problems in the prior art that: the assembled light simple L-shaped section column comprises three single columns, wherein the single columns are made of thin-wall square pipes, the upper ends of the three single columns are connected by adopting cold-formed angle steel connecting pieces, 45-degree oblique cold-formed U-shaped connecting pieces and 135-degree oblique cold-formed U-shaped connecting pieces, the column bodies are connected by adopting at least one group of cold-formed L-shaped flighters, one ends of the 45-degree oblique cold-formed U-shaped connecting pieces and the 135-degree oblique cold-formed U-shaped connecting pieces are oblique sections, the other ends of the 45-degree oblique cold-formed U-shaped connecting pieces and the 135-degree oblique cold-formed U-shaped connecting pieces are positive sections, one 45-degree oblique cold-formed U-shaped connecting piece and one 135-degree oblique cold-formed angle steel connecting piece are buckled on the upper end faces of the three single columns, the 45-degree oblique cold-formed U-shaped connecting pieces and the 135-formed oblique-formed angle steel connecting pieces are connected by connecting the 45-formed angle steel connecting pieces and the 135-formed angle steel connecting pieces, and the 45-degree oblique-formed angle steel connecting pieces are connected by connecting the 45-formed angle steel connecting pieces and the 45-formed angle steel connecting pieces; every group cold roll L shape flitch comprises an inside cold roll L shape flitch and an outside cold roll L shape flitch, inside cold roll L shape flitch with outside cold roll L shape flitch sets up in same hookup location department, inside cold roll L shape flitch sets up three the single post is inboard, outside cold roll L shape flitch sets up three the single post is outside, inside cold roll L shape flitch with outside cold roll L shape flitch with the lateral wall of single post adopts self tapping screw III rigid coupling respectively.
The invention adopts another technical scheme for solving the technical problems in the prior art: the construction method of the assembled light simple L-shaped section column comprises the following steps:
1) Finishing the manufacture of a cold-formed angle steel connecting piece, a 45-degree oblique-cut cold-formed U-shaped connecting piece, a 135-degree oblique-cut cold-formed U-shaped connecting piece, an inner cold-formed L-shaped flitch, an outer cold-formed L-shaped flitch and a single column in a factory, wherein the single column is manufactured by adopting a thin-wall square tube;
2) And (3) transporting the components manufactured in the step (1) to the site, assembling on the ground, and connecting by adopting self-tapping screws.
And step 1), the cold-formed angle steel connecting piece, the inner cold-formed L-shaped flitch, the outer cold-formed L-shaped flitch, the 45-degree oblique cold-formed U-shaped connecting piece and the 135-degree oblique cold-formed U-shaped connecting piece are all made of cold-formed steel.
The step 1) is characterized in that the 45-degree oblique-cut cold-bending U-shaped connecting piece and the 135-degree oblique-cut cold-bending U-shaped connecting piece are manufactured by oblique cutting of the middle part of a cold-bending U-shaped steel section.
And 2) when the thickness of the connecting plate of the connecting piece is larger than 3mm, assembling, then punching a connecting hole, and then connecting by adopting a self-tapping screw.
The invention has the advantages and positive effects that: the single column is made of a thin-wall square tube, the connecting piece is made of cold-formed steel, the plate wall is thin and flexible, the width-thickness ratio is large, the material utilization rate is high, the steel consumption is low, the weight is light, the transportation is convenient, the assembly, the transportation and the installation are convenient, and large-scale machinery is not needed; the components are produced and processed in a standardized way by a factory, so that the precision is high; the on-site ground assembly is realized by adopting self-tapping screws, the operation is simple and convenient, the connection is safe and reliable, the welding is not needed, the construction is convenient and fast, and the construction efficiency is greatly improved; the 45-degree oblique-cut cold-bent U-shaped connecting piece and the 135-degree oblique-cut cold-bent U-shaped connecting piece are manufactured in pairs by adopting cold-bent U-shaped steel, and materials are not wasted. In conclusion, the invention can reduce the installation difficulty, save manpower and resources, reduce pollution, is environment-friendly and low in comprehensive cost, can meet the use requirement of assembled steel structure buildings in villages and towns, and is beneficial to industrialization and industrialization of the buildings.
Drawings
FIG. 1 is a schematic view of an L-section column structure of the present invention;
FIG. 2 is a schematic view of a single column structure in an L-section column of the present invention;
FIG. 3 is a schematic view of the cold-formed angle steel connector in the L-section column of the present invention;
FIG. 4 is a schematic view of a 45 degree miter cold bend U-shaped connector in an L-section post of the present invention;
FIG. 5 is a schematic diagram of the assembly of 45℃and 135℃miter-cut U-shaped connectors in an L-section column according to the present invention;
FIG. 6 is a schematic view of the structure of the inner cold-formed L-shaped flitch of the present invention;
FIG. 7 is a schematic view of the structure of the external cold-rolled L-shaped flitch of the present invention;
FIG. 8 is a schematic view of a set of cold-formed L-shaped flitch plates according to the present invention;
FIG. 9 is a schematic view of the top construction of an L-section column of the present invention for the southwest corner;
FIG. 10 is a schematic view of the top construction of an L-section column of the present invention for the northeast corner;
FIG. 11 is a bottom view of the top of the L-section post of the present invention;
FIG. 12 is a schematic view of a connection node configuration for a southwest corner cold roll L-shaped flitch;
FIG. 13 is a schematic view of a connection node configuration for a northeast corner cold roll L-shaped flitch;
FIG. 14 is a schematic view showing the assembly process of the top of the column in step 2) of the construction method of the present invention.
In the figure, 1, a single column; 2. 45-degree oblique cold bending U-shaped connecting piece; 3. 135-degree oblique cold bending U-shaped connecting piece; 4-1, self-tapping screw I; 4-2, self-tapping screw II; 4-3, self-tapping screw III; 5. cold bending angle steel connecting pieces; 6. an internal cold-bending L-shaped flitch; 7. an external cold-bending L-shaped flitch.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
referring to fig. 1-14, an assembled light simple L-shaped section column comprises three single columns 1, wherein the single columns 1 are made of thin-wall square tubes, the upper ends of the three single columns are connected by cold-bending angle steel connecting pieces 5, 45-degree oblique cold-bending U-shaped connecting pieces 2 and 135-degree oblique cold-bending U-shaped connecting pieces 4, and the column shafts are connected by at least one group of cold-bending L-shaped flitch plates.
The utility model discloses a cold-bending angle steel connector, including single post 1, 45 to cut the cold-bending U-shaped connector 2 with 135 to cut the cold-bending U-shaped connector 3, the positive cross-section is parallel and level with the end side of corresponding tip single post, 45 to cut the cold-bending U-shaped connector 2 with 135 to cut the cold-bending U-shaped connector 3 web with single post lateral wall angle department lining is equipped with cold-bending angle steel connector 5, cold-bending angle steel connector 5 with single post 1 45 to cut the cold-bending U-shaped connector 2 with 135 to cut the cold-bending U-shaped connector 3 and adopt self-screw I4-1 rigid coupling, 45 to cut the cold-bending U-shaped connector 2 with 135 to cut the cold-bending U-shaped connector 3, 45 to cut the cold-bending U-shaped connector 2 with 135 to cut the cold-bending U-shaped connector 2 from both sides II.
Every group cold roll L shape flitch comprises an inside cold roll L shape flitch 6 and an outside cold roll L shape flitch 7, inside cold roll L shape flitch 6 with outside cold roll L shape flitch 7 sets up in same hookup location department, inside cold roll L shape flitch 6 sets up three single post 1 is inboard, outside cold roll L shape flitch 7 sets up three single post 1 outsides, inside cold roll L shape flitch 6 with outside cold roll L shape flitch 7 with the lateral wall of single post 1 adopts self tapping screw III 4-3 rigid coupling respectively.
The three single columns 1 are connected by using a plurality of groups of cold-formed L-shaped flitch plates which are arranged at intervals, so that the synergistic effect of the cold-formed L-shaped flitch plates can be enhanced, the performance is improved, and the arrangement positions, the number, the thickness and the width of the cold-formed L-shaped flitch plates are determined according to actual conditions.
The construction method of the assembled light simple L-shaped section column comprises the following steps:
1) Finishing the manufacture of a cold bending angle steel connecting piece 5, a 45-degree oblique-cutting cold bending U-shaped connecting piece 2, a 135-degree oblique-cutting cold bending U-shaped connecting piece 3, an inner cold bending L-shaped flitch 6, an outer cold bending L-shaped flitch 7 and a single column 1 in a factory, wherein the single column 1 is manufactured by adopting square tubes;
2) And (3) transporting the components manufactured in the step (1) to the site, assembling on the ground, and connecting by adopting self-tapping screws.
In this embodiment, in the step 1), the cold-formed angle steel connecting piece, the 45-degree oblique-cut cold-formed U-shaped connecting piece and the 135-degree oblique-cut cold-formed U-shaped connecting piece are all made of cold-formed steel, so that the production is convenient. Furthermore, the 45-degree oblique-cutting cold-bending U-shaped connecting piece and the 135-degree oblique-cutting cold-bending U-shaped connecting piece are manufactured by oblique cutting of the middle part of the cold-bending U-shaped steel section, and materials are not wasted.
Before the components are connected by adopting the tapping screw, the size of the tapping screw is determined according to the thickness of the connection; determining whether to punch according to the connecting plate thickness of the connecting piece, and if the thickness of the thicker connecting plate is larger than 3mm, punching connecting holes in the thicker connecting plate, wherein the diameters of the connecting holes are smaller than the screw rod part diameter of the self-tapping screw so as to reduce the tapping difficulty of the self-tapping screw and improve the construction efficiency; for the case that both connecting plates are thin, for example, the plate thicknesses of both connecting plates are equal to 3mm or less, no connecting hole may be punched. In a word, the connecting holes do not need to be drilled on the two connecting plates, and further the complicated operation of centering the connecting holes during installation is avoided. Therefore, step 2) when the connecting plate thickness of connecting piece is greater than 3mm, when the equipment, group is right earlier, and the connecting hole is established to the punching on the connecting plate again, then adopts self tapping screw to connect, is convenient for guarantee the precision, provides the efficiency of construction.
In the embodiment, a square tube with the wall thickness of 2-4 mm is adopted to manufacture a single column, and section steel with the thickness of 2-4 mm is adopted to manufacture a cold-formed angle steel connecting piece, a 45-degree oblique cold-formed U-shaped connecting piece and a 135-degree oblique cold-formed U-shaped connecting piece. The L-shaped section column assembled by the components has lighter weight, and can be transported and erected manually when in use.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are within the scope of the present invention.
Claims (1)
1. The assembled light simple L-shaped section column comprises three single columns, and is characterized in that the single columns are made of thin-wall square tubes, the upper ends of the three single columns are connected by adopting cold-bending angle steel connecting pieces, 45-degree oblique cold-bending U-shaped connecting pieces and 135-degree oblique cold-bending U-shaped connecting pieces, column shafts are connected by adopting at least one group of cold-bending L-shaped flitch plates,
the upper end faces of the three single columns are buckled with one 45-degree obliquely-cut cold-bent U-shaped connecting piece and one 135-degree obliquely-cut cold-bent U-shaped connecting piece, the 45-degree obliquely-cut cold-bent U-shaped connecting piece and the 135-degree obliquely-cut cold-bent U-shaped connecting piece are in butt joint, the positive sections are flush with the end side faces of the single columns at the corresponding end parts, cold-bent angle steel connecting pieces are lined at the positions of the webs of the 45-degree obliquely-cut cold-bent U-shaped connecting piece and the 135-degree obliquely-cut cold-bent U-shaped connecting piece and the side walls of the single columns, the cold-bent angle steel connecting pieces are fixedly connected with the single columns, the 45-degree obliquely-bent U-shaped connecting piece and the 135-degree obliquely-cut cold-bent U-shaped connecting piece by self-screws I, and the 45-degree obliquely-bent U-shaped connecting piece and the 135-shaped obliquely-bent U-shaped connecting piece are fixedly connected with the side walls of the single-cut columns by self-screws II; each group of cold-formed L-shaped flitch consists of an inner cold-formed L-shaped flitch and an outer cold-formed L-shaped flitch, the inner cold-formed L-shaped flitch and the outer cold-formed L-shaped flitch are arranged at the same connecting position, the inner cold-formed L-shaped flitch is arranged at the inner sides of three single columns, the outer cold-formed L-shaped flitch is arranged at the outer sides of the three single columns, and the inner cold-formed L-shaped flitch and the outer cold-formed L-shaped flitch are fixedly connected with the side walls of the single columns by self-tapping screws III respectively;
the construction method of the assembled light simple L-shaped section column comprises the following steps:
1) Finishing the manufacture of a cold-formed angle steel connecting piece, a 45-degree oblique-cut cold-formed U-shaped connecting piece, a 135-degree oblique-cut cold-formed U-shaped connecting piece, an inner cold-formed L-shaped flitch, an outer cold-formed L-shaped flitch and a single column in a factory, wherein the single column is manufactured by adopting a thin-wall square tube;
2) Transporting the components manufactured in the step 1) to the site, assembling on the ground, and connecting by adopting self-tapping screws;
the method comprises the following steps that 1), cold-formed angle steel connecting pieces, 45-degree oblique-cut cold-formed U-shaped connecting pieces and 135-degree oblique-cut cold-formed U-shaped connecting pieces are all manufactured by cold-formed section steel;
the 45-degree oblique-cut cold-bending U-shaped connecting piece and the 135-degree oblique-cut cold-bending U-shaped connecting piece are manufactured by oblique cutting of the middle part of a cold-bending U-shaped steel section in pairs;
and 2) when the thickness of the connecting plate of the connecting piece is larger than 3mm, assembling, then punching a connecting hole, and then connecting by adopting a self-tapping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210158980.2A CN114412067B (en) | 2022-02-21 | 2022-02-21 | Assembled light simple L-shaped section column and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210158980.2A CN114412067B (en) | 2022-02-21 | 2022-02-21 | Assembled light simple L-shaped section column and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114412067A CN114412067A (en) | 2022-04-29 |
| CN114412067B true CN114412067B (en) | 2024-03-22 |
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| CN202210158980.2A Active CN114412067B (en) | 2022-02-21 | 2022-02-21 | Assembled light simple L-shaped section column and construction method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06106235A (en) * | 1992-09-25 | 1994-04-19 | Kawasaki Steel Corp | Method of manufacturing square steel pipe columns |
| CN206438610U (en) * | 2017-02-07 | 2017-08-25 | 长安大学 | A kind of cold-rolled forming section skeleton structure of anti-column flexing and its combined wall of composition |
| CN207130969U (en) * | 2017-08-31 | 2018-03-23 | 抚州市恒强达绿色建筑科技有限公司 | A kind of Novel L-shaped building vertical column |
| CN215211704U (en) * | 2021-04-14 | 2021-12-17 | 凯第建筑集团有限公司 | A kind of steel tube bundle temporary fixed node |
-
2022
- 2022-02-21 CN CN202210158980.2A patent/CN114412067B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06106235A (en) * | 1992-09-25 | 1994-04-19 | Kawasaki Steel Corp | Method of manufacturing square steel pipe columns |
| CN206438610U (en) * | 2017-02-07 | 2017-08-25 | 长安大学 | A kind of cold-rolled forming section skeleton structure of anti-column flexing and its combined wall of composition |
| CN207130969U (en) * | 2017-08-31 | 2018-03-23 | 抚州市恒强达绿色建筑科技有限公司 | A kind of Novel L-shaped building vertical column |
| CN215211704U (en) * | 2021-04-14 | 2021-12-17 | 凯第建筑集团有限公司 | A kind of steel tube bundle temporary fixed node |
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| Publication number | Publication date |
|---|---|
| CN114412067A (en) | 2022-04-29 |
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