CN114908881B - Modularized steel structure side bolt connection node and construction method - Google Patents
Modularized steel structure side bolt connection node and construction method Download PDFInfo
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- CN114908881B CN114908881B CN202210546551.2A CN202210546551A CN114908881B CN 114908881 B CN114908881 B CN 114908881B CN 202210546551 A CN202210546551 A CN 202210546551A CN 114908881 B CN114908881 B CN 114908881B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 17
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- E04B1/348—Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
- E04B1/34815—Elements not integrated in a skeleton
- E04B1/3483—Elements not integrated in a skeleton the supporting structure consisting of metal
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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
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B2001/5875—Connections for building structures in general of bar-shaped building elements using exterior clamping plates or shells
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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
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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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a modularized steel structure side bolt connection node and a construction method, comprising the following steps: the device comprises a middle multidirectional connecting piece, an upper multidirectional connecting piece unit, a lower multidirectional connecting piece unit, a connecting plate unit and a connecting cover plate; the middle multidirectional connecting piece comprises 2 bench mouth surfaces parallel to the cross section direction of the beam, 2 middle inclined side surfaces and 2 middle outer side surfaces parallel to the length direction of the beam; go up multidirectional connecting piece unit and lower multidirectional connecting piece unit for hold middle multidirectional connecting piece, lower multidirectional connecting piece unit includes 2 lower multidirectional connecting pieces that contact each other in proper order and symmetry set up, includes: a pair of outer table mouth surfaces, a pair of inner table mouth surfaces, a pair of outer side surfaces and a pair of inclined side surfaces; the connecting plate unit comprises a top connecting plate and a bottom connecting plate; the connecting cover plate is provided with threaded holes matched with the outer side face of the lower multidirectional connecting piece, the outer side face of the upper multidirectional connecting piece and the middle outer side face of the middle multidirectional connecting piece. The invention can realize the on-site full assembly operation and disassembly recovery.
Description
Technical Field
The invention belongs to the field of nodes of modular structures, and particularly relates to a modular steel structure side bolt connection node and a construction method.
Background
The modular structure is a novel assembled steel structure building which adopts modular design, industrialized production and assembled construction, and the whole modular structure is formed by connecting a plurality of modular units through modular nodes. The prefabricated degree of the modularized building is very high, the construction speed is high, and a large number of buildings can be built in a short time to meet the requirements of different types. The modular building stands out by virtue of short construction time, low cost and mass production. As a novel building structure type, the modularized structure has the obvious advantages of environmental protection, low carbon, energy conservation and easy recovery, and accords with the development trend of the domestic building industry. The modularized structure system is formed by connecting a plurality of mutually independent modularized units through modularized nodes, and the modularized connecting nodes play a vital role for the whole modularized structure.
At present, the research of modular steel structure building connection nodes by students at home and abroad is still in a starting stage, and various defects exist in the current modular connection nodes, such as: 1) The modularized node connection design is complex, and the number of parts is excessive; 2) The modularized nodes are required to be welded for the second time, and complete assembly cannot be realized; 3) The modular nodes cannot be disassembled for recycling.
Disclosure of Invention
The invention aims to provide a modularized steel structure side bolt connection node and a construction method, which can realize on-site full assembly operation and disassembly recovery. In order to achieve the above purpose, the invention adopts the following technical scheme:
a modular steel structure edge bolted joint, comprising:
the middle multidirectional connecting piece comprises 2 bench mouth surfaces parallel to the cross section direction of the beam, 2 middle inclined side surfaces and 2 middle outer side surfaces parallel to the length direction of the beam; 2 middle outer side surfaces are oppositely arranged; a bench mouth surface and a middle inclined side surface are sequentially arranged between the two middle outer side surfaces; the 2 middle inclined side surfaces and a middle outer side surface connected with the 2 bench mouth surfaces are provided with threaded holes;
the upper multidirectional connector unit and the lower multidirectional connector unit are used for accommodating the middle multidirectional connector and have the same structure, and each lower multidirectional connector unit comprises 2 lower multidirectional connectors which are sequentially contacted with each other and are symmetrically arranged; 2 the lower multidirectional connecting piece encloses the open space that holds the intermediate multidirectional connecting piece hypomere, the lower multidirectional connecting piece includes:
the pair of outer bench mouth surfaces are perpendicular to the axis direction of the beam, and the two outer bench mouth surfaces are respectively welded with a module beam;
the pair of inner table mouth surfaces are perpendicular to the axis direction of the beam, and are parallel to and in contact with the table mouth surfaces of the middle multidirectional connecting piece;
the outer side surfaces are parallel to the axis direction of the beam and are connected with the outer platform mouth surface and the inner platform mouth surface; one outer side surface is contacted with the outer side surface of the other lower multi-directional connecting piece, and the other outer side surface faces the outside of the open space;
one inclined side surface is connected with the two outer table mouth surfaces, the other inclined side surface is connected with the two inner table mouth surfaces, a through hole is formed between one pair of inclined side surfaces and is used for being matched with a threaded hole on one middle inclined side surface in the middle multidirectional connecting piece;
the connecting plate unit comprises 2 symmetrically arranged top connecting plates and 2 symmetrically arranged bottom connecting plates, wherein the top connecting plates are welded on the top surfaces of the upper multidirectional connecting pieces in the upper multidirectional connecting piece unit, the top surfaces of the top connecting plates are welded with an upper module column, the bottom connecting plates are welded on the bottom surfaces of the lower multidirectional connecting pieces in the lower multidirectional connecting piece unit, and the bottom surfaces of the bottom connecting plates are welded with a lower module column;
the connecting cover plate is simultaneously contacted with the outer side face facing the outside of the open space in the 2 lower multi-directional connecting pieces, the outer side face facing the outside of the open space in the 2 upper multi-directional connecting pieces and the middle outer side face facing the outside of the open space in the middle multi-directional connecting pieces; the connecting cover plate is provided with threaded holes matched with the outer side face of the lower multidirectional connecting piece, the outer side face of the upper multidirectional connecting piece and the middle outer side face of the middle multidirectional connecting piece.
Preferably, after the middle multi-directional coupler, the upper multi-directional coupler unit, and the lower multi-directional coupler unit are installed, the top connection plate is in contact with the top surface of the middle multi-directional coupler, and the bottom connection plate is in contact with the bottom surface of the middle multi-directional coupler.
Preferably, the middle inclined side surface is inclined in a 45-degree direction, and the inclined side surface is inclined in a 45-degree direction.
Preferably, the upper and lower multi-way connector units are arranged symmetrically up and down.
Preferably, the grade of the middle multi-way connecting piece and the lower multi-way connecting piece is 40cr.
Preferably, the module beams, the upper module columns and the lower module columns are all made of square tubular members.
Preferably, the module beam has a strength rating of Q235, Q355, Q390 or Q420.
A construction method of a modular steel structure side bolt connection node comprises the following steps:
(1) Welding a module beam:
the module beams comprise a lower module ceiling beam and an upper module floor beam;
a lower module ceiling beam is welded on the outer wall of each outer platform opening surface in the lower multidirectional connecting piece, and an upper module floor beam is welded on the outer wall of each outer platform opening surface in the upper multidirectional connecting piece;
(2) Welding a top connecting plate and a bottom connecting plate:
welding a top connecting plate on the top surface of the upper multidirectional connecting piece, and welding a bottom connecting plate on the bottom surface of the lower multidirectional connecting piece;
(3) Welding the lower module column and the upper module column:
welding an upper module column to the top surface of the top connecting plate, and welding a lower module column to the bottom surface of the bottom connecting plate;
(4) Assembling the lower multidirectional connector unit:
splicing the lower 2 lower multi-directional connectors to form a lower multi-directional connector unit;
(5) Installing a middle multidirectional connecting piece:
placing the lower section of the middle multi-directional connecting piece into an open space surrounded by the lower multi-directional connecting piece units, and then connecting the threaded holes on the middle inclined side surfaces with the threaded holes on the inclined side surfaces of the corresponding lower multi-directional connecting pieces of each middle inclined side surface through lower bolts;
(6) Assembling the multidirectional connector unit:
the upper 2 upper multi-way connecting pieces are matched with the lower multi-way connecting piece unit and the middle multi-way connecting pieces to be spliced to form an upper multi-way connecting piece unit, meanwhile, the upper section of the middle multi-way connecting piece is placed into an open space surrounded by the upper multi-way connecting piece unit, and then the threaded holes on the middle inclined side surfaces and the threaded holes on the inclined side surfaces of the upper multi-way connecting pieces corresponding to each middle inclined side surface are connected through upper bolts;
(7) And (3) installing and connecting a cover plate:
the connecting cover plate is simultaneously contacted with the outer side face facing the outside of the open space in the 2 lower multi-directional connecting pieces, the outer side face facing the outside of the open space in the 2 upper multi-directional connecting pieces and the middle outer side face facing the outside of the open space in the middle multi-directional connecting pieces; and then connecting the threaded holes on the connecting cover plate with the threaded holes on the outer side surfaces of the lower multi-directional connecting pieces, the threaded holes on the middle outer side surfaces of the middle multi-directional connecting pieces and the threaded holes on the outer side surfaces of the upper multi-directional connecting pieces through the middle bolts.
Compared with the prior art, the invention has the advantages that:
(1) The connecting node can realize the connection of 4 connecting pieces including an upper multidirectional connecting piece and a lower multidirectional connecting piece around only through bolts, and the problem that the connection design of the connecting node of the traditional modularized structure is complex is solved.
(2) The connection node realizes modularized construction operation, and the upper multidirectional connector unit, the lower multidirectional connector unit, the middle multidirectional connector and the connection cover plate are tightly connected by bolts without welding reinforcement in any form. The connection node thus achieves complete assembly. In addition, the connecting node does not need extra construction space, and the problem that many modularized structure connecting nodes have insufficient construction space is solved.
(3) The middle multidirectional connector, the upper multidirectional connector unit, the lower multidirectional connector unit and the connecting cover plate can be disassembled, and the upper multidirectional connector unit and the lower multidirectional connector unit can be disassembled, so that the modularized nodes can be disassembled and recycled.
In addition, the connecting node can meet the mechanical property requirements of bending resistance, tensile resistance and shearing resistance, the force transmission path of the node area is clear, the structure is simple, the multi-directional connecting piece further ensures the rigidity of the node and the integrity of the structure, and the problem that the rigidity of the node area of most of modularized structure connecting nodes is insufficient and welding stiffening ribs are needed at present is solved.
Drawings
FIG. 1 is a schematic diagram of a modular overall structure according to an embodiment of the present invention;
FIG. 2 is a first orientation schematic view of a modular steel structure edge bolting node;
FIG. 3 is a second schematic view of a modular steel structure edge bolting node;
FIG. 4 is an exploded view of a modular steel structure edge bolting node;
FIG. 5 is a schematic view of the installation of a lower multi-way connector;
FIG. 6 is a block diagram of an intermediate multi-way connector;
FIG. 7 is a top view of an intermediate multi-way connector;
FIG. 8 is a three-dimensional view of a lower multi-way connector;
FIG. 9 is a top view of the lower multi-way connector;
fig. 10 is a perspective view of the connection cover plate.
The device comprises a 1-upper module column, a 2-lower module column, a 3-upper module floor beam, a 4-lower module ceiling beam, a 5-middle multi-directional connecting piece, a 5-1-middle outer side face, a 5-2-bench mouth face, a 5-3-middle inclined side face, a 6-top connecting plate, a 7-bottom connecting plate, an 8-upper multi-directional connecting piece, a 9-lower multi-directional connecting piece, a 9-1-outer side face, a 9-2-inner bench mouth face, a 9-3-outer bench mouth face, a 9-4-inclined side face, a 10-upper bolt, an 11-lower bolt, a 12-connecting cover plate and a 13-middle bolt.
Detailed Description
The present invention will be described in more detail below with reference to the drawings, in which preferred embodiments of the invention are shown, it being understood that one skilled in the art can modify the invention described herein while still achieving the advantageous effects of the invention. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the invention.
As shown in fig. 1 to 10, a modular steel structure edge bolting node, comprising: the middle multi-directional connector 5, the upper multi-directional connector unit, the lower multi-directional connector unit, the connecting plate unit and the connecting cover plate 12. Wherein, the module beam, the upper module column 1 and the lower module column 2 are all made of square tubular members.
The middle multidirectional connecting piece 5 comprises 2 bench mouth surfaces 5-2 parallel to the beam cross section direction, 2 middle inclined side surfaces 5-3 and 2 middle outer side surfaces 5-1 parallel to the beam length direction; the 2 middle outer side surfaces 5-1 are oppositely arranged; a bench mouth surface 5-2 and a middle inclined side surface 5-3 are sequentially arranged between the two middle outer side surfaces 5-1; screw holes are respectively formed in the 2 middle inclined side surfaces 5-3 and a middle outer side surface 5-1 connected with the 2 bench mouth surfaces 5-2. Preferably, the middle inclined side 5-3 is inclined in a 45 degree direction.
In the present embodiment, the beams in the "beam cross-sectional direction", "beam length direction (beam axis direction)" all refer to the module beams. Since the "module beam" has two directions (0 ° and 90 ° directions), the beams in the "beam cross-sectional direction" and the "beam length direction (beam axis direction)" each refer to a module beam (0 ° or 90 ° direction) in a specific direction. Taking fig. 4 as an example, the reference directions of the table top surface 5-2 and the middle outer side surface 5-1 in the middle multi-directional coupler 5 are parallel to one module beam (which may be defined as a module beam in the 0 ° direction) of the coupler cap 12.
The upper multidirectional connector unit and the lower multidirectional connector unit are used for accommodating the middle multidirectional connector 5, are identical in structure and are symmetrically arranged up and down, and the lower multidirectional connector unit comprises 2 lower multidirectional connectors 9 which are sequentially contacted with each other and are symmetrically arranged; the 2 lower multidirectional connectors 9 enclose an open space accommodating the lower section of the intermediate multidirectional connector 5. That is, the upper multi-directional connector unit comprises 2 upper multi-directional connectors 8 which are sequentially contacted with each other and symmetrically arranged, and the open space for accommodating the upper section of the middle multi-directional connector 5 is enclosed by the 2 upper multi-directional connectors 8. Wherein the intermediate multi-way connector 5, the lower multi-way connector 9 and the upper multi-way connector 8 are rated at 40cr.
The lower multidirectional connection 9 comprises: a pair of outer table top surfaces 9-3, a pair of inner table top surfaces 9-2, a pair of outer side surfaces 9-1 and a pair of inclined side surfaces 9-4.
The pair of outer table mouth surfaces 9-3 are perpendicular to the axis direction of the beam, and the two outer table mouth surfaces 9-3 are respectively welded with a module beam. In the present embodiment, the beams in the "beam cross-sectional direction", "beam length direction (beam axis direction)" all refer to the module beams. In which the module beams in both directions are welded as a result of each lower multidirectional connection 9. Therefore, the definition of the same outer table top 9-3, the same inner table top 9-2, and the same outer side 9-1 is referred to the module beam in one direction connected to the lower multi-directional connector 9. Taking fig. 4 and 5 as an example, the reference beam direction of each outer table top 9-3, each inner table top 9-2, and each outer side 9-1 in the lower multi-directional connector 9 refers to a module beam in one direction corresponding to the reference beam direction.
The pair of inner table top surfaces 9-2 are perpendicular to the beam axis direction, and the inner table top surfaces 9-2 are parallel to and in contact with the table top surfaces 5-2 of the middle multidirectional connecting piece 5.
A pair of outer side surfaces 9-1, parallel to the beam axis direction, the outer side surfaces 9-1 connecting the outer table top surface 9-3 and the inner table top surface 9-2; one of the outer side surfaces 9-1 is in contact with the outer side surface 9-1 of the other lower multidirectional connecting member 9, and the other outer side surface 9-1 faces the outside of the open space and is provided with a threaded hole, as shown in fig. 4 and 8-9.
One inclined side surface 9-4 is connected with the two outer table mouth surfaces 9-3, the other inclined side surface 9-4 is connected with the two inner table mouth surfaces 9-2, a through hole is formed between the pair of inclined side surfaces 9-4 and is used for being matched with a threaded hole in one middle inclined side surface 5-3 in the middle multi-direction connecting piece 5. Preferably, the inclined side surface 9-4 is inclined in a 45 degree direction.
The connecting plate unit comprises 2 symmetrically arranged top connecting plates 6 and 2 symmetrically arranged bottom connecting plates 7, wherein the top connecting plates 6 are welded on the top surfaces of the upper multidirectional connecting pieces 8 in the upper multidirectional connecting piece unit, the top surfaces of the top connecting plates 6 are welded with an upper module column 11, the bottom connecting plates 7 are welded on the bottom surfaces of the lower multidirectional connecting pieces 9 in the lower multidirectional connecting piece unit, and the bottom surfaces of the bottom connecting plates 7 are welded with a lower module column 22. In this embodiment, after the intermediate multi-directional coupler 5, the upper multi-directional coupler unit, and the lower multi-directional coupler unit are mounted, the top connection plate 6 is in contact with the top surface of the intermediate multi-directional coupler 5, and the bottom connection plate 7 is in contact with the bottom surface of the intermediate multi-directional coupler 5.
A connecting cover plate 12 which is simultaneously contacted with the outer side surface 9-1 facing the outside of the open space in the 2 lower multi-directional connecting pieces 9, the outer side surface facing the outside of the open space in the 2 upper multi-directional connecting pieces 8 and the middle outer side surface 5-1 facing the outside of the open space in the middle multi-directional connecting piece 5; the connecting cover plate 12 is provided with threaded holes (through holes) matched with the outer side surface 9-1 of the lower multidirectional connecting piece 9, the outer side surface of the upper multidirectional connecting piece 8 and the middle outer side surface 5-1 of the middle multidirectional connecting piece 5.
An upper modular unit is formed by an upper multidirectional connector unit, an upper module floor beam 3 and an upper module column 1; the lower multi-directional connector unit, the lower module ceiling beam 4 and the lower module column 2 form a lower modularized unit; all welded connections are performed in advance at the factory. The upper modular unit and the lower modular unit are steel members and are vertically symmetrical about the contact surface of the upper modular unit and the lower modular unit. The upper and lower modular units are in close contact; the integrity of the node area is ensured, and the structural stress performance requirement is met.
In this embodiment, the module beam has a strength grade of Q235, Q355, Q390, or Q420; the intensity level of the upper module column 1 (lower module column 2) is Q235, Q355, Q390 or Q420; the strength level of the connection cover 12 may be Q235, Q355, Q390 or Q420; the strength grade of the bottom connecting plate 7 is Q235, Q355, Q390 or Q420.
The construction method of the modularized steel structure side bolt connection node comprises the following steps (1) - (7):
(1) And welding the module beam.
The module beams comprise a lower module ceiling beam 4 and an upper module floor beam 3.
A lower module ceiling beam 4 is welded on the outer wall of each outer platform opening surface 9-3 in the lower multi-directional connecting piece 9, and an upper module floor beam 3 is welded on the outer wall of each outer platform opening surface 9-3 in the upper multi-directional connecting piece 8.
(2) The top web 6 and the bottom web 7 are welded.
The top web 6 is welded to the top surface of the upper multi-way connector 8 and the bottom web 7 is welded to the bottom surface of the lower multi-way connector 9.
(3) The lower module column 22 and the upper module column 11 are welded.
An upper module post 11 is welded to the top surface of the top web 6 and a lower module post 22 is welded to the bottom surface of the bottom web 7.
(4) The lower multi-way connector unit is assembled.
The lower 2 lower multi-directional connectors 9 are spliced to form a lower multi-directional connector unit. I.e. the lower 2 lower multi-way connectors are spliced to form a lower multi-way connector unit. Specifically, in each lower multi-directional coupler 9, one of the outer sides 9-1 contacts with one of the outer sides 9-1 of the lower multi-directional coupler 9 to complete the assembly of the bottom 2 lower multi-directional couplers 9, i.e., to finally complete the assembly of the lower multi-directional coupler unit, i.e., to complete the assembly of the lower modular unit.
(5) An intermediate multidirectional connection 5 is installed.
The lower section of the middle multi-directional coupler 5 is placed into the open space surrounded by the lower multi-directional coupler units, and then the threaded holes on the middle inclined sides 5-3 are connected with the threaded holes on the inclined sides 9-4 of the corresponding lower multi-directional coupler 9 of each middle inclined side 5-3 through the lower bolts 11. After the above-mentioned intermediate multi-way connector 5 is bolted to the lower modular unit, the lower multi-way connector unit is in an assembled state.
(6) And assembling the multidirectional connector unit.
The upper 2 upper multi-directional connectors 8 are matched with the lower multi-directional connector unit and the middle multi-directional connector 5 to form an upper multi-directional connector unit. Specifically, in each upper multi-directional connector 8, one of the outer side surfaces contacts with one of the outer side surfaces of the upper multi-directional connector 8 to complete the assembly of the upper 2 upper multi-directional connectors 8, i.e., to finally complete the assembly of the upper multi-directional connector unit, i.e., to complete the assembly of the upper modular unit.
Meanwhile, the upper section of the middle multi-directional coupler 5 is placed into the open space surrounded by the upper multi-directional coupler units, and then the threaded holes on the middle inclined sides 5-3 and the threaded holes on the inclined sides of the upper multi-directional coupler 8 corresponding to each middle inclined side 5-3 are connected through the upper bolts 10. After the above-mentioned intermediate multi-way connector 5 is bolted to the upper modular unit, the upper multi-way connector unit is in an assembled state.
(7) The connection cover plate 12 is installed.
The connecting cover plate 12 is simultaneously contacted with the outer side surface 9-1 facing the outside of the open space in the 2 lower multi-directional connecting pieces 9, the outer side surface facing the outside of the open space in the 2 upper multi-directional connecting pieces 8 and the middle outer side surface 5-1 facing the outside of the open space in the middle multi-directional connecting piece 5; the threaded holes on the connecting cover plate 12 are then connected with the threaded holes on the outer side surface 9-1 of the lower multidirectional connecting piece 9, the threaded holes on the middle outer side surface 5-1 of the middle multidirectional connecting piece 5 and the threaded holes on the outer side surface of the upper multidirectional connecting piece 8 through the middle bolts 13.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the invention without departing from the scope of the technical solution of the invention, and the technical solution of the invention is not departing from the scope of the invention.
Claims (8)
1. A modular steel structure edge bolted joint, comprising:
the middle multidirectional connecting piece comprises 2 bench mouth surfaces parallel to the cross section direction of the beam, 2 middle inclined side surfaces and 2 middle outer side surfaces parallel to the length direction of the beam; 2 middle outer side surfaces are oppositely arranged; a bench mouth surface and a middle inclined side surface are sequentially arranged between the two middle outer side surfaces; the 2 middle inclined side surfaces and a middle outer side surface connected with the 2 bench mouth surfaces are provided with threaded holes;
the upper multidirectional connector unit and the lower multidirectional connector unit are used for accommodating the middle multidirectional connector and have the same structure, and each lower multidirectional connector unit comprises 2 lower multidirectional connectors which are sequentially contacted with each other and are symmetrically arranged; 2 the lower multidirectional connecting piece encloses the open space that holds the intermediate multidirectional connecting piece hypomere, the lower multidirectional connecting piece includes:
the pair of outer bench mouth surfaces are perpendicular to the axis direction of the beam, and the two outer bench mouth surfaces are respectively welded with a module beam;
the pair of inner table mouth surfaces are perpendicular to the axis direction of the beam, and are parallel to and in contact with the table mouth surfaces of the middle multidirectional connecting piece;
the outer side surfaces are parallel to the axis direction of the beam and are connected with the outer platform mouth surface and the inner platform mouth surface; one outer side surface is contacted with the outer side surface of the other lower multi-directional connecting piece, and the other outer side surface faces the outside of the open space;
one inclined side surface is connected with the two outer table mouth surfaces, the other inclined side surface is connected with the two inner table mouth surfaces, a through hole is formed between one pair of inclined side surfaces and is used for being matched with a threaded hole on one middle inclined side surface in the middle multidirectional connecting piece;
the connecting plate unit comprises 2 symmetrically arranged top connecting plates and 2 symmetrically arranged bottom connecting plates, wherein the top connecting plates are welded on the top surfaces of the upper multidirectional connecting pieces in the upper multidirectional connecting piece unit, the top surfaces of the top connecting plates are welded with an upper module column, the bottom connecting plates are welded on the bottom surfaces of the lower multidirectional connecting pieces in the lower multidirectional connecting piece unit, and the bottom surfaces of the bottom connecting plates are welded with a lower module column;
the connecting cover plate is simultaneously contacted with the outer side face facing the outside of the open space in the 2 lower multi-directional connecting pieces, the outer side face facing the outside of the open space in the 2 upper multi-directional connecting pieces and the middle outer side face facing the outside of the open space in the middle multi-directional connecting pieces; the connecting cover plate is provided with threaded holes matched with the outer side face of the lower multidirectional connecting piece, the outer side face of the upper multidirectional connecting piece and the middle outer side face of the middle multidirectional connecting piece.
2. The modular steel structure edge bolting node of claim 1, wherein after the intermediate multi-way connector, upper multi-way connector unit and lower multi-way connector unit are installed, the top web contacts the top surface of the intermediate multi-way connector and the bottom web contacts the bottom surface of the intermediate multi-way connector.
3. The modular steel structure edge bolting node of claim 1, wherein said intermediate beveled side is inclined in a 45 degree direction and said beveled side is inclined in a 45 degree direction.
4. The modular steel structure edge bolting node according to claim 1, wherein said upper and lower multi-way connector units are arranged symmetrically up and down.
5. The modular steel structure edge bolting node according to claim 1, wherein said intermediate multi-way connector, lower multi-way connector is rated 40cr.
6. The modular steel structure edge bolting node of claim 1, wherein said modular beams, upper and lower modular columns are each made of square tubular members.
7. The modular steel structure edge bolting node according to claim 1, wherein said modular beam has a strength rating of Q235, Q355, Q390 or Q420.
8. A construction method of a modular steel structure side bolting node based on the modular steel structure side bolting node according to any of claims 1-7, characterized by comprising the steps of:
(1) Welding a module beam:
the module beams comprise a lower module ceiling beam and an upper module floor beam;
a lower module ceiling beam is welded on the outer wall of each outer platform opening surface in the lower multidirectional connecting piece, and an upper module floor beam is welded on the outer wall of each outer platform opening surface in the upper multidirectional connecting piece;
(2) Welding a top connecting plate and a bottom connecting plate:
welding a top connecting plate on the top surface of the upper multidirectional connecting piece, and welding a bottom connecting plate on the bottom surface of the lower multidirectional connecting piece;
(3) Welding the lower module column and the upper module column:
welding an upper module column to the top surface of the top connecting plate, and welding a lower module column to the bottom surface of the bottom connecting plate;
(4) Assembling the lower multidirectional connector unit:
splicing the lower 2 lower multi-directional connectors to form a lower multi-directional connector unit;
(5) Installing a middle multidirectional connecting piece:
placing the lower section of the middle multi-directional connecting piece into an open space surrounded by the lower multi-directional connecting piece units, and then connecting the threaded holes on the middle inclined side surfaces with the threaded holes on the inclined side surfaces of the corresponding lower multi-directional connecting pieces of each middle inclined side surface through lower bolts;
(6) Assembling the multidirectional connector unit:
the upper 2 upper multi-way connecting pieces are matched with the lower multi-way connecting piece unit and the middle multi-way connecting pieces to be spliced to form an upper multi-way connecting piece unit, meanwhile, the upper section of the middle multi-way connecting piece is placed into an open space surrounded by the upper multi-way connecting piece unit, and then the threaded holes on the middle inclined side surfaces and the threaded holes on the inclined side surfaces of the upper multi-way connecting pieces corresponding to each middle inclined side surface are connected through upper bolts;
(7) And (3) installing and connecting a cover plate:
the connecting cover plate is simultaneously contacted with the outer side face facing the outside of the open space in the 2 lower multi-directional connecting pieces, the outer side face facing the outside of the open space in the 2 upper multi-directional connecting pieces and the middle outer side face facing the outside of the open space in the middle multi-directional connecting pieces; and then connecting the threaded holes on the connecting cover plate with the threaded holes on the outer side surfaces of the lower multi-directional connecting pieces, the threaded holes on the middle outer side surfaces of the middle multi-directional connecting pieces and the threaded holes on the outer side surfaces of the upper multi-directional connecting pieces through the middle bolts.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222255A (en) * | 2018-02-08 | 2018-06-29 | 天津大学 | Full bolt assembled building module edge connecting node in length and breadth |
| CN210507784U (en) * | 2019-06-18 | 2020-05-12 | 中国人民解放军海军勤务学院 | Modular steel structure beam column joint |
| CN111636561A (en) * | 2020-04-27 | 2020-09-08 | 北京交通大学 | Plug-in type modular steel structure connecting node with reset function |
| CN112854575A (en) * | 2021-02-05 | 2021-05-28 | 中集模块化建筑投资有限公司 | Detachable floor connecting node for modular steel structure and manufacturing method thereof |
| CN112854451A (en) * | 2021-02-05 | 2021-05-28 | 天津大学 | Horizontal self-locking connecting joint for modular steel structure and construction method thereof |
-
2022
- 2022-05-18 CN CN202210546551.2A patent/CN114908881B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222255A (en) * | 2018-02-08 | 2018-06-29 | 天津大学 | Full bolt assembled building module edge connecting node in length and breadth |
| CN210507784U (en) * | 2019-06-18 | 2020-05-12 | 中国人民解放军海军勤务学院 | Modular steel structure beam column joint |
| CN111636561A (en) * | 2020-04-27 | 2020-09-08 | 北京交通大学 | Plug-in type modular steel structure connecting node with reset function |
| CN112854575A (en) * | 2021-02-05 | 2021-05-28 | 中集模块化建筑投资有限公司 | Detachable floor connecting node for modular steel structure and manufacturing method thereof |
| CN112854451A (en) * | 2021-02-05 | 2021-05-28 | 天津大学 | Horizontal self-locking connecting joint for modular steel structure and construction method thereof |
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| CN114908881A (en) | 2022-08-16 |
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