CN219732334U - Cold-formed thin-wall steel column node structure - Google Patents
Cold-formed thin-wall steel column node structure Download PDFInfo
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- CN219732334U CN219732334U CN202320654961.9U CN202320654961U CN219732334U CN 219732334 U CN219732334 U CN 219732334U CN 202320654961 U CN202320654961 U CN 202320654961U CN 219732334 U CN219732334 U CN 219732334U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 202
- 239000010959 steel Substances 0.000 title claims abstract description 202
- 238000005265 energy consumption Methods 0.000 claims description 11
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a cold-formed thin-wall steel column node structure, which relates to the technical field of building node structures and comprises an upper-layer cold-formed thin-wall steel spliced column, a lower-layer cold-formed thin-wall steel spliced column, an outer connecting plate, a high-strength bolt assembly and an I-steel connecting piece, wherein the upper end of the I-steel connecting piece is inserted into the bottom of the upper-layer cold-formed thin-wall steel spliced column, the lower end of the upper-layer cold-formed thin-wall steel spliced column is inserted into the top of the lower-layer cold-formed thin-wall steel spliced column, the lower end of the upper-layer cold-formed thin-wall steel spliced column is abutted against the upper end of the lower-layer cold-formed thin-wall steel spliced column, the outer connecting plates are arranged on two sides of the upper-layer cold-formed thin-wall steel spliced column and the lower-layer cold-formed thin-wall steel spliced column, and the I-steel connecting piece is fixedly connected with the outer connecting plate of 2 blocks through the high-strength bolt assembly. The novel needle can obviously enhance the firmness and the anti-seismic performance of the column node, is convenient and efficient in construction, and can be popularized and used for high-rise residential structures.
Description
Technical Field
The utility model relates to a building node technical field, concretely relates to cold-formed thin wall steel column node structure.
Background
The lightweight steel structure is widely applied to industrial and civil buildings. The cold-formed thin-wall residential steel structure is one of the main forms of residential building steel structures, has the advantages of all steel structure residences, and is an efficient section bar, so that the steel consumption is greatly reduced. Statistics show that compared with the hot rolled section steel, the cold-formed section steel with the same area can be increased in radius of gyration, and the moment of inertia and the area moment of area can be increased by about 50% -180%, so that if the cold-formed section steel structural member made of the same mass is compared with the hot rolled section steel structural member, the cold-formed section steel structural member has higher bearing capacity, higher overall rigidity and better stress performance, and can save materials and lighten structural weight.
Moreover, the material is single, the structural system component is smaller, and the self-tapping screw, the riveting and the welding are adopted in many cases, so that the workload of the construction site is small. Under the same stress state, the cross section of the component is small, and the effective utilization area of the building is improved. The space arrangement is flexible, the disassembly is convenient, and the space arrangement can be separated again according to different requirements of different periods in the service life of the building, so that the life cycle of the building is prolonged. The plastic performance is good, is suitable for bearing vibration load and impact load, and has good anti-seismic performance.
With the continuous development of green construction and residential industrialization in China, the low-layer cold-formed thin-wall steel structure system gradually becomes a popular structure system. But it is only suitable for the steel structure building below 3 layers, and obviously cannot meet the current actual demands. China is a large-population country, the requirements on houses are high, and the research on the node connection of the multi-storey house structure is necessary. Therefore, it is necessary to improve the firmness, the installation convenience and the shock resistance of the cold-formed thin-wall steel structure node, so as to be suitable for the multi-storey residential structure, and the improvement of the column node based on one of the cold-formed thin-wall steel structure nodes is provided.
Disclosure of Invention
The utility model provides a cold-formed thin wall steel column node structure, the purpose is to the fastness of post column node in the cold-formed thin wall steel structure system, the convenience of installation and shock resistance improve to make it can be applicable to the building needs of multi-storey house.
In order to achieve the above purpose, the novel technical scheme is as follows:
the utility model provides a cold-formed thin wall steel column node structure, includes upper strata cold-formed thin wall steel split column, lower floor cold-formed thin wall steel split column, outside connecting plate, high strength bolt assembly and I-steel connecting piece, I-steel connecting piece upper end insert upper strata cold-formed thin wall steel split column bottom, lower extreme insert lower floor cold-formed thin wall steel split column top, the lower extreme of upper strata cold-formed thin wall steel split column offsets with the upper end of lower floor cold-formed thin wall steel split column, upper strata cold-formed thin wall steel split column and lower floor cold-formed thin wall steel split column both sides all are equipped with outside connecting plate, upper strata cold-formed thin wall steel split column, lower floor cold-formed thin wall steel split column and I-steel connecting piece pass through high strength bolt assembly and 2 outside connecting plate fixed connection.
Preferably, the high-strength bolt assembly comprises a high-strength bolt and a nut, wherein the high-strength bolt penetrates through the side wall of the upper-layer cold-formed thin-wall section steel split column or the lower-layer cold-formed thin-wall section steel split column and the 2 flange plates on the same side of the I-shaped steel connecting piece and is locked through the nut.
Preferably, the upper layer cold-formed thin-walled steel split column is formed by splicing first upper layer column cold-formed thin-walled C-shaped steel and second upper layer column cold-formed thin-walled C-shaped steel, the lower layer cold-formed thin-walled steel split column is formed by splicing first lower layer column cold-formed thin-walled C-shaped steel and second lower layer column cold-formed thin-walled C-shaped steel, and the splicing parts of the upper layer cold-formed thin-walled steel split column and the lower layer cold-formed thin-walled steel split column are formed by splicing first lower layer column cold-formed thin-walled C-shaped steel, second upper layer column cold-formed thin-walled C-shaped steel, first lower layer column cold-formed thin-walled C-shaped steel and second lower layer column cold-formed thin-walled C-shaped steel in a staggered mode.
Preferably, the I-steel connecting piece is also provided with a second-order enhanced energy dissipation mechanism.
Preferably, the second-order enhanced energy dissipation mechanism comprises energy dissipation steel plates connected between the inner side ends of the 2 flange plates on the same side and high-strength steel plates arranged on the inner side ends of the 2 flange plates on the same side, one ends of the 2 high-strength steel plates are welded with the inner surfaces of the corresponding flange plates, and the other ends of the 2 high-strength steel plates are opposite to each other and are in clearance fit.
Preferably, the energy consumption steel plate is made of a low carbon steel material or a shape memory alloy material.
Preferably, the flange plate is provided with first connecting holes for passing through the high-strength bolts in a longitudinal arrangement, and the energy-consumption steel plate and the high-strength steel plate are sequentially arranged on the inner side and the outer side of the first connecting holes.
Preferably, the first upper layer post cold-formed thin-walled C-shaped steel and the second upper layer post cold-formed thin-walled C-shaped steel are relatively provided with second connecting holes for penetrating through the high-strength bolts, first limiting plates are welded on the inner walls of the first upper layer post cold-formed thin-walled C-shaped steel and the second upper layer post cold-formed thin-walled C-shaped steel above the second connecting holes, third connecting holes for penetrating through the high-strength bolts are relatively formed in the first lower layer post cold-formed thin-walled C-shaped steel and the second lower layer post cold-formed thin-walled C-shaped steel below the third connecting holes, second limiting plates are welded on the inner walls of the first lower layer post cold-formed thin-walled C-shaped steel and the second lower layer post cold-formed thin-walled C-shaped steel below the third connecting holes, the bottom ends of the first limiting plates are abutted against the top ends of the I-shaped steel connecting pieces, and the top ends of the second limiting plates are abutted against the bottom ends of the I-shaped steel connecting pieces.
The utility model relates to a beneficial effect of cold-formed thin wall steel column node structure: the utility model discloses improve to fastness, the convenience and the anti-seismic performance of installation of post node in the thin-walled cold-formed steel structure system, can obviously strengthen fastness and the anti-seismic performance of post node, and each part passes through high strength bolt assembly and connects, and construction is convenient high-efficient, can promote to use to high-rise residential structure.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the novel structure;
FIG. 2 is a schematic diagram of the novel exploded construction;
FIG. 3 is a schematic side view of the present novel structure;
FIG. 4 is a schematic top view of the present novel structure;
FIG. 5 is a schematic diagram of the split column structure of the novel lower-layer cold-formed thin-wall section steel;
FIG. 6 is a split schematic diagram of the novel lower layer cold-formed thin-wall section steel split column;
FIG. 7 is a schematic diagram of the split column structure of the novel upper layer cold-formed thin-walled steel section;
FIG. 8 is a schematic diagram of the split column of the novel upper layer cold-formed thin-walled steel;
FIG. 9 is a schematic diagram of the structure of the novel I-steel connector;
FIG. 10 is a schematic view of the structure of the outer connecting plate of the present utility model;
FIG. 11 is a schematic diagram of a second-order enhanced energy dissipation mechanism provided with an I-steel connecting piece;
in the figure:
1-upper layer cold-formed thin-wall section steel split column, 11-first upper layer column cold-formed thin-wall C-shaped steel (long), 12-second upper layer column cold-formed thin-wall C-shaped steel (short), and 13-second connecting hole;
2-lower layer cold-formed thin-wall section steel split column, 21-first lower layer column cold-formed thin-wall C-shaped steel (long), 22-second lower layer column cold-formed thin-wall C-shaped steel (short), and 23-third connecting hole;
3-an outer connecting plate; 31-fourth connecting holes;
4-high-strength bolt assemblies;
5-I-steel connectors; 51-first connection holes;
6-energy consumption steel plates; 7-high strength steel plate.
Detailed Description
The following detailed description of the embodiments of the present utility model in a stepwise manner is merely a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model should be included in the scope of the present utility model.
In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, and specific azimuth configuration and operation, and thus should not be construed as limiting the present utility model.
Example 1
The cold-formed thin-wall steel column node structure comprises an upper-layer cold-formed thin-wall steel column 1, a lower-layer cold-formed thin-wall steel column 2, an outer connecting plate 3, a high-strength bolt assembly 4 and an I-steel connecting piece 5, wherein the upper end of the I-steel connecting piece 5 is inserted into the bottom of the upper-layer cold-formed thin-wall steel column 1, the lower end of the upper-layer cold-formed thin-wall steel column is inserted into the top of the lower-layer cold-formed thin-wall steel column 2, the lower end of the upper-layer cold-formed thin-wall steel column 1 is abutted against the upper end of the lower-layer cold-formed thin-wall steel column 2, outer connecting plates 3 are arranged on two sides of the upper-layer cold-formed thin-wall steel column 1 and the lower-formed thin-wall steel column 2, and the I-steel connecting piece 5 are fixedly connected with the outer connecting plates 3 through the high-strength bolt assembly 4.
Example 2
On the basis of embodiment 1, this embodiment discloses:
as shown in fig. 1 to 10, the high-strength bolt assembly comprises a high-strength bolt and a nut, wherein the high-strength bolt penetrates through the side wall of the upper layer cold-formed thin-wall section steel split column 1 or the lower layer cold-formed thin-wall section steel split column 2 and 2 flange plates on the same side of the i-steel connecting piece 5 and is locked by the nut.
Example 3
On the basis of the embodiment 2, this embodiment is further modified as follows:
as shown in fig. 1-10, the upper layer cold-formed thin-walled steel spliced pole 1 is formed by splicing a first upper layer pole cold-formed thin-walled C-shaped steel 11 and a second upper layer pole cold-formed thin-walled C-shaped steel 12, the lower layer cold-formed thin-walled steel spliced pole 2 is formed by splicing a first lower layer pole cold-formed thin-walled C-shaped steel 21 and a second lower layer pole cold-formed thin-walled C-shaped steel 22, and the splicing positions of the upper layer cold-formed thin-walled steel spliced pole 1 and the lower layer cold-formed thin-walled steel spliced pole 2 are staggered by the first upper layer pole cold-formed thin-walled C-shaped steel 11, the second upper layer pole cold-formed thin-walled C-shaped steel 12, the first lower layer pole cold-formed thin-walled C-shaped steel 21 and the second lower layer pole cold-formed thin-walled C-shaped steel 22.
Example 4
On the basis of the embodiment 3, this embodiment is further modified as follows:
as shown in fig. 11, the i-steel connecting piece 5 is further provided with a second-order reinforced energy dissipation mechanism.
As shown in fig. 11, the second-order enhanced energy dissipation mechanism comprises an energy dissipation steel plate 6 connected between the inner ends of the 2 flange plates on the same side and a high-strength steel plate 7 arranged at the inner ends of the 2 flange plates on the same side, one ends of the 2 high-strength steel plates 7 are welded with the inner surfaces of the corresponding flange plates, and the other ends of the 2 high-strength steel plates 7 are opposite to each other and are in clearance fit.
As shown in fig. 11, the energy consumption steel plate 6 is made of a low carbon steel material or a shape memory alloy material.
Under the action of earthquake, the node receives horizontal shearing force, when the node is deformed (when the web plate of the I-steel connecting piece is deformed), firstly the energy-consumption steel plate consumes energy, and after the energy-consumption steel plate is bent to a certain extent, the high-strength steel plate participates in energy consumption, so that a second-order energy consumption enhancement result is realized. Under the condition of small earthquake, the energy-consumption steel plate also has the effect of promoting the deformation and the restoration of the node.
Example 5
On the basis of the embodiment 4, this embodiment is further modified as follows:
as shown in fig. 11, the flange plate is longitudinally provided with first connecting holes 51 for passing through high-strength bolts, and the energy-dissipating steel plate 6 and the high-strength steel plate 7 are sequentially provided on the inner side and the outer side of the first connecting holes 51.
Example 6
On the basis of the embodiment 5, this embodiment is further modified as follows:
as shown in fig. 1-11, the first upper layer column cold-formed thin-walled C-shaped steel 11 and the second upper layer column cold-formed thin-walled C-shaped steel 12 are relatively provided with second connecting holes 13 for passing through high-strength bolts, first limiting plates (not shown in the drawing) are welded on the inner walls of the first upper layer column cold-formed thin-walled C-shaped steel 11 and the second upper layer column cold-formed thin-walled C-shaped steel 12 above the second connecting holes 13, third connecting holes for passing through the high-strength bolts are relatively provided on the first lower layer column cold-formed thin-walled C-shaped steel 21 and the second lower layer column cold-formed thin-walled C-shaped steel 22, second limiting plates (not shown in the drawing) are welded on the inner walls of the first lower layer column cold-formed thin-walled C-shaped steel 21 and the second lower layer column cold-formed thin-walled C-shaped steel 22 below the third connecting holes, the bottom ends of the first limiting plates are abutted against the top ends of the i-shaped steel connecting pieces, and the top ends of the second limiting plates are abutted against the bottom ends of the i-shaped steel connecting pieces. The I-steel connecting piece is longitudinally limited through the first limiting plate and the second limiting plate, and the I-steel connecting piece is stably positioned when being subjected to longitudinal vibration through limiting, so that the stability of the node under the earthquake condition is improved.
Claims (8)
1. A cold-formed thin-wall steel column node structure is characterized in that: the device comprises an upper layer cold-formed thin-wall section steel spliced column, a lower layer cold-formed thin-wall section steel spliced column, an outer connecting plate, a high-strength bolt assembly and an I-steel connecting piece, wherein the upper end of the I-steel connecting piece is inserted into the bottom of the upper layer cold-formed thin-wall section steel spliced column, the lower end of the I-steel connecting piece is inserted into the top of the lower layer cold-formed thin-wall section steel spliced column, the lower end of the upper layer cold-formed thin-wall section steel spliced column is abutted against the upper end of the lower layer cold-formed thin-wall section steel spliced column, the outer connecting plates are arranged on two sides of the upper layer cold-formed thin-wall section steel spliced column and the lower layer cold-formed thin-wall section steel spliced column, and the I-steel connecting piece are fixedly connected with 2 outer connecting plates through the high-strength bolt assembly.
2. A cold-formed thin-walled steel column node structure as claimed in claim 1, wherein: the high-strength bolt assembly comprises a high-strength bolt and a nut, wherein the high-strength bolt penetrates through the side wall of the upper layer cold-formed thin-wall section steel split column or the lower layer cold-formed thin-wall section steel split column and 2 flange plates on the same side of the I-shaped steel connecting piece and is locked through the nut.
3. A cold-formed thin-walled steel column node structure as claimed in claim 2, wherein: the upper layer cold-formed thin-wall section steel split column is formed by splicing first upper layer column cold-formed thin-wall C-shaped steel and second upper layer column cold-formed thin-wall C-shaped steel, the lower layer cold-formed thin-wall section steel split column is formed by splicing first lower layer column cold-formed thin-wall C-shaped steel and second lower layer column cold-formed thin-wall C-shaped steel, and the splicing parts of the upper layer cold-formed thin-wall section steel split column and the lower layer cold-formed thin-wall section steel split column are formed by staggering the first upper layer column cold-formed thin-wall C-shaped steel, the second upper layer column cold-formed thin-wall C-shaped steel, the first lower layer column cold-formed thin-wall C-shaped steel and the second lower layer column cold-formed thin-wall C-shaped steel.
4. A cold-formed thin-walled steel column node structure as claimed in claim 3, wherein: the I-steel connecting piece is also provided with a second-order enhanced energy dissipation mechanism.
5. The cold-formed thin-walled steel column node structure of claim 4, wherein: the second-order enhanced energy dissipation mechanism comprises energy dissipation steel plates connected between the inner side ends of the 2 flange plates on the same side and high-strength steel plates arranged at the inner side ends of the 2 flange plates on the same side, one ends of the 2 high-strength steel plates are welded with the inner surfaces of the corresponding flange plates, and the other ends of the 2 high-strength steel plates are opposite to each other and are in clearance fit.
6. A cold-formed thin-walled steel column node structure as claimed in claim 5, wherein: the energy consumption steel plate is made of a low-carbon steel material or a shape memory alloy material.
7. The cold-formed thin-walled steel column node structure of claim 6, wherein: the flange plate is longitudinally provided with first connecting holes for passing through the high-strength bolts, and the energy-consumption steel plate and the high-strength steel plate are sequentially arranged on the inner side and the outer side of the first connecting holes.
8. A cold-formed thin-walled steel column node structure as claimed in claim 7, wherein: the first upper layer post cold-formed thin-wall C-shaped steel and the second upper layer post cold-formed thin-wall C-shaped steel are oppositely provided with second connecting holes for penetrating through high-strength bolts, first limiting plates are welded on the inner walls of the first upper layer post cold-formed thin-wall C-shaped steel and the second upper layer post cold-formed thin-wall C-shaped steel above the second connecting holes, third connecting holes for penetrating through the high-strength bolts are oppositely formed in the first lower layer post cold-formed thin-wall C-shaped steel and the second lower layer post cold-formed thin-wall C-shaped steel below the third connecting holes, second limiting plates are welded on the inner walls of the first lower layer post cold-formed thin-wall C-shaped steel and the second lower layer post cold-formed thin-wall C-shaped steel below the third connecting holes, the bottom ends of the first limiting plates are propped against the top ends of the I-shaped steel connecting pieces, and the top ends of the second limiting plates are propped against the bottom ends of the I-shaped steel connecting pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320654961.9U CN219732334U (en) | 2023-03-29 | 2023-03-29 | Cold-formed thin-wall steel column node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320654961.9U CN219732334U (en) | 2023-03-29 | 2023-03-29 | Cold-formed thin-wall steel column node structure |
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| Publication Number | Publication Date |
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| CN219732334U true CN219732334U (en) | 2023-09-22 |
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| CN202320654961.9U Active CN219732334U (en) | 2023-03-29 | 2023-03-29 | Cold-formed thin-wall steel column node structure |
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| CN (1) | CN219732334U (en) |
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- 2023-03-29 CN CN202320654961.9U patent/CN219732334U/en active Active
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