CN114411981B - Bolt connection node of box assembly type square steel pipe frame structure - Google Patents
Bolt connection node of box assembly type square steel pipe frame structure Download PDFInfo
- Publication number
- CN114411981B CN114411981B CN202210254397.1A CN202210254397A CN114411981B CN 114411981 B CN114411981 B CN 114411981B CN 202210254397 A CN202210254397 A CN 202210254397A CN 114411981 B CN114411981 B CN 114411981B
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- Prior art keywords
- node
- vertical direction
- square steel
- steel pipe
- bolt
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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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
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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
- 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
- E04B2001/2451—Connections between closed section profiles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- 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 discloses a bolt connection node of a box-type assembled square steel pipe frame structure, which comprises a transverse node plate, wherein 8 node plates are welded in the vertical direction of the transverse node plate, and bolt holes of two sizes are formed in the node plates; the node plates in the vertical direction are connected through the W-shaped stiffening ribs, the positions of the W-shaped stiffening ribs in the vertical direction are slightly lower than the positions of the bolt holes, the rigidity of the nodes can be increased and the overall stability of the nodes can be improved by the W-shaped stiffening ribs, and 8 square steel tube frames can be connected into a whole with higher rigidity through the node connection mode. The bolt connection node has the characteristics of convenient construction, high overall rigidity after connection, high overall stability and the like, and simultaneously provides technical support for the construction of the assembled frame building.
Description
Technical Field
The invention relates to a bolt connection node of a box-type assembled square steel pipe frame module, which can be used for connecting assembled house integrated modules of a multi-layer and high-layer box system.
Background
The fabricated steel structure building has the characteristics of standardized design, industrialized production, integrated assembly construction and decoration, informatization management and the like, and has the advantages of short construction period, simple construction, light dead weight, environmental protection and the like. The node connection in the assembled building is of great importance, so that the stability and the safety of the whole assembled building can be directly influenced. Meanwhile, the construction form of the node also directly influences the construction progress and the construction cost of the steel structure. The construction method has the advantages that the construction is convenient and quick due to the selection of the proper node construction form, and more importantly, the stability of the building can be guaranteed. However, the construction is convenient and quick, the cost is low, the stability of the structure is facilitated, the rigidity of the structure can be increased, and the like, which is a troublesome problem. Based on the current research on the node connection of the fabricated steel structure building, the research on the node connection of the fabricated steel structure should be further deepened.
The current results of the research on the connection nodes of the fabricated square steel pipe frame structure show that the suitable node structure should meet the following requirements:
1. the cost is reduced as much as possible;
2. the construction is convenient and quick, and the construction period is shortened;
3. the rigidity of the structure is increased as much as possible, and the building is provided with greater stability.
In general, the rigidity of the joints can be increased by utilizing the W-shaped stiffening ribs, so that the structural rigidity and the integrity after connection are increased, and the overall performance of the building is greatly improved. Meanwhile, the inner blind hole bolts can enter the inner side through the outer side bolt holes to finish the installation of the inner side bolts by utilizing the difference of the sizes of the inner side outer bolt holes. If the blind hole bolt on the inner side carelessly slides down during installation, the W-shaped stiffening rib can also play a role in catching the sliding bolt. The design can make construction simpler and more convenient, and is favorable for accelerating construction speed.
Disclosure of Invention
The invention aims to provide a simple and easy bolt connection node of a box-type assembled square steel pipe frame, which can strengthen the structural integrity. By utilizing the bolt to connect the nodes, the overall rigidity of the nodes can be increased, so that the structural rigidity and the integrity after connection are enhanced, and the overall performance of the building is greatly improved. Meanwhile, the inner blind hole bolts can enter the inner side through the outer side bolt holes to finish the installation of the inner side bolts by utilizing the difference of the sizes of the inner side outer bolt holes. If the blind hole bolt on the inner side carelessly slides down during installation, the W-shaped stiffening rib can also play a role in catching the sliding bolt, so that the construction is simpler and more convenient, and the construction speed is improved.
The aim of the invention is achieved by the following technical scheme.
According to one embodiment of the invention, the invention provides a bolt connection node of a box-type assembled square steel pipe frame, which comprises a transverse node plate, wherein 8 node plates are welded in the vertical direction, and bolt holes of two size types are formed in the node plates; the node plates in the vertical direction are connected through the W-shaped stiffening ribs, so that the node has larger overall stability, and 8 square steel tube frames can be connected into an overall body with larger rigidity through the node connection mode.
S1: 8 node plates in the vertical direction are welded on the upper side and the lower side of the transverse node plate respectively, wherein 4 node plates in the vertical direction are positioned on the outer side of the transverse node plate respectively, and 4 node plates in the vertical direction are positioned on the inner side of the transverse node plate respectively;
s2: each node plate in the vertical direction on the outer side is provided with 4 larger bolt holes, and each node plate in the vertical direction on the inner side is provided with 4 smaller bolt holes;
s3: the W-shaped stiffening ribs are connected with the node plates on the vertical direction of the outer side and the inner side and are connected by two W-shaped stiffening ribs;
s4: the W-shaped stiffening rib is slightly lower than the bolt hole in the vertical direction;
s5: and a certain distance is reserved between the node plates positioned on the inner side.
The invention is characterized in that:
the advantages of the W-shaped stiffening ribs are fully utilized by the bolt connection node to strengthen the connection of the inner side node plate and the outer side node plate, so that the rigidity of the node can be increased, and the rigidity and the integrity of the whole structure are greatly enhanced after the 8 square steel tube frames are connected by the bolt connection node. The overall performance of the steel structure building is optimized.
The gap between the sizes of the bolt holes of the inner side node plate and the outer side node plate is utilized, smaller bolts can be sent into the bolt holes of the inner side node plate through larger bolt holes to be installed, the construction speed can be obviously improved through the design, and node connection is simpler and more convenient.
The common bolt needs to be screwed down, and the construction and installation time can be increased due to the blocking of certain components, and the bolts used in the design are blind hole bolts, so that the screwing down is not needed, and the construction time is saved.
The W-shaped stiffening rib is slightly lower than the position of the bolt hole in the vertical direction. If the bolts slide in the process from the larger bolt holes to the smaller bolt holes, the bolts can be supported by the W-shaped stiffening ribs, and the construction speed can be improved due to the characteristics.
Drawings
FIG. 1 is a schematic view of a box-type fabricated square steel tube frame of the present invention;
FIG. 2 is a schematic view of a bolted joint of a box-type fabricated square steel pipe frame of the present invention;
FIG. 3 is a schematic view of the installation of bolted joints of a box-fabricated square steel pipe frame of the present invention;
FIG. 4 is a schematic top view of a bolted joint of a box-fabricated square steel tube frame of the present invention;
in the figure: 1. a box-type square steel pipe frame; 2. the bolt is connected with the node; 3.W stiffeners; 4. a vertical gusset plate; 5. a transverse gusset plate; 6. an inner bolt hole; 7. an outer bolt hole; 8. an inner blind hole bolt; 9. an outer blind hole bolt; 10. square steel tubular beams; 11. square steel tubular beams; 12. square steel pipe column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Examples:
the concrete implementation method of the bolt connection node of the box-type assembled square steel pipe frame module comprises the following steps of:
s1: as shown in fig. 1, the box-type square steel pipe frame 1 and other 7 box-type square steel pipe frames are required to be assembled through bolt connection nodes 2;
s2: as shown in fig. 2, 8 node plates 4 in the vertical direction are welded on each transverse node plate 5 in the vertical direction, 4 larger bolt holes 6 are formed in the vertical node plate positioned on the outer side of the transverse node plate, 4 smaller bolt holes 7,W type stiffening ribs 3 are formed in the vertical node plate positioned on the inner side of the transverse node plate, and the stiffening ribs are connected with the inner side node plate and the outer side node plate and slightly lower than the bolt holes in the vertical direction;
s3: as shown in fig. 2, square steel pipe beams 10 and 11 and square steel pipe column 12 constitute four box-type fabricated square steel pipe frames, and inside blind hole bolts 8 are used to connect two box-type fabricated square steel pipe frame columns. The outer blind hole bolts 9 are used for connecting the box-type assembled square steel pipe frame column and the gusset plates;
s4: fig. 4 shows a top view of the bolted joint after installation. The inner side is a blind hole bolt 8, and the outer side is a blind hole bolt 9.
The concrete implementation of this bolted connection node is, cover the inside and outside gusset plate that the W type stiffening rib formed with square steel tubular column, place 4 box assembled square steel tube frame in the below in bolted connection node with this mode, then send the inside blind hole bolt to behind the inboard bolt hole with less blind hole bolt through outside big bolt hole and connect two box assembled square steel tube frame posts to same gusset plate with inboard blind hole bolt, then connect outside gusset plate and box assembled square steel tube frame post with outside blind hole bolt. And then sequentially placing the rest 4 box-type assembled square steel pipe frames above the 4 box-type assembled square steel pipe frames which are installed in the last step, and also conveying smaller blind bolts to the inner side bolt holes through the outer side big bolt holes to install the inner side blind bolts, and then completing the installation of the outer side blind bolts. Thus, the 8 box-type assembled square steel pipe frames are assembled into a whole.
The invention has the principle that the connection of the inner and outer vertical node plates is reinforced by utilizing the advantages of the W-shaped stiffening ribs, so that the rigidity of the node can be increased, and the rigidity and the integrity of the whole structure are also greatly reinforced after the 8 square steel pipe frames are connected by the bolt connection node. The overall performance of the steel structure building is optimally enhanced. The gap between the sizes of the bolt holes of the inner side node plate and the outer side node plate is utilized, smaller bolts can be sent into the bolt holes of the inner side node plate through larger bolt holes to be installed, the construction speed can be obviously improved through the design, and node connection is simpler and more convenient. If the bolts slide in the process from the larger bolt holes to the smaller bolt holes, the bolts can be caught by the W-shaped stiffening ribs, so that the installation is more convenient and quick.
The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any person skilled in the art can make some changes or modifications to the equivalent embodiments without departing from the scope of the technical solution of the present invention, but any simple modification, equivalent changes and modifications to the above-mentioned embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (3)
1. The bolt connection node of the box-type assembled square steel pipe frame structure comprises a transverse node plate, wherein 8 node plates are welded in the vertical direction of the transverse node plate, and bolt holes of two sizes are formed in the node plates; the node plates in the vertical direction are connected through the W-shaped stiffening ribs, the positions of the W-shaped stiffening ribs in the vertical direction are slightly lower than the positions of the bolt holes, the rigidity of the nodes can be increased and the overall stability of the nodes can be improved by the W-shaped stiffening ribs, and 8 square steel pipe frames can be connected into an overall body with higher rigidity through the node connection mode;
8 node plates in the vertical direction are welded on the upper side and the lower side of the transverse node plate respectively, wherein 4 node plates in the vertical direction are positioned on the outer side of the horizontal node plate, and 4 node plates in the vertical direction are positioned on the inner side of the horizontal node plate;
each node plate in the vertical direction on the outer side is provided with 4 larger bolt holes, and each node plate in the vertical direction on the inner side is provided with 4 smaller bolt holes;
the W-shaped stiffening ribs are connected with the node plates on the vertical direction of the outer side and the inner side and are connected by two W-shaped stiffening ribs.
2. A bolted joint of a box-type fabricated square steel pipe frame as claimed in claim 1, wherein: the W-shaped stiffening rib is slightly lower than the bolt hole in the vertical direction.
3. A bolted joint of a box-type fabricated square steel pipe frame as claimed in claim 1, wherein: and a certain distance is reserved between the node plates positioned on the inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210254397.1A CN114411981B (en) | 2022-03-15 | 2022-03-15 | Bolt connection node of box assembly type square steel pipe frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210254397.1A CN114411981B (en) | 2022-03-15 | 2022-03-15 | Bolt connection node of box assembly type square steel pipe frame structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114411981A CN114411981A (en) | 2022-04-29 |
| CN114411981B true CN114411981B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210254397.1A Active CN114411981B (en) | 2022-03-15 | 2022-03-15 | Bolt connection node of box assembly type square steel pipe frame structure |
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| CN (1) | CN114411981B (en) |
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| Publication number | Publication date |
|---|---|
| CN114411981A (en) | 2022-04-29 |
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