CN114908881A - Modular steel structure edge part bolt connection node and construction method - Google Patents
Modular steel structure edge part bolt connection node and construction method Download PDFInfo
- Publication number
- CN114908881A CN114908881A CN202210546551.2A CN202210546551A CN114908881A CN 114908881 A CN114908881 A CN 114908881A CN 202210546551 A CN202210546551 A CN 202210546551A CN 114908881 A CN114908881 A CN 114908881A
- Authority
- CN
- China
- Prior art keywords
- multidirectional
- connecting piece
- outer side
- module
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 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 16
- 238000003466 welding Methods 0.000 claims description 15
- 238000011084 recovery Methods 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 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
- 238000010586 diagram 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
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Abstract
The invention provides a modular steel structure edge part bolt connection node and a construction method, wherein the modular steel structure edge part bolt connection node comprises the following steps: the middle multidirectional connecting piece, the upper multidirectional connecting piece unit, the lower multidirectional connecting piece unit, the connecting plate unit and the connecting cover plate; the middle multidirectional connecting piece comprises 2 table mouth surfaces parallel to the cross section direction of the beam, 2 middle oblique side surfaces and 2 middle outer side surfaces parallel to the length direction of the beam; go up multidirectional connector unit and multidirectional connector unit down for hold middle multidirectional connector, lower multidirectional connector unit includes 2 lower multidirectional connectors that contact each other in proper order and symmetry set up, includes: a pair of outer mesa surfaces, a pair of inner mesa surfaces, a pair of outer side surfaces, and a pair of oblique side surfaces; a connection plate unit including a top connection plate and a bottom connection plate; the connecting cover plate is provided with threaded holes matched with the outer side surface of the lower multidirectional connecting piece, the outer side surface of the upper multidirectional connecting piece and the middle outer side surface of the middle multidirectional connecting piece. The invention can realize on-site full-assembly operation and disassembly and recovery.
Description
Technical Field
The invention belongs to the field of nodes of modular structures, and particularly relates to a modular steel structure edge bolt connection node and a construction method.
Background
The modular structure is a novel assembly type steel structure building adopting modular design, factory production and assembly construction, and the whole modular structure is formed by connecting a plurality of modular units through modular nodes. The modular building has high prefabrication degree and quick construction speed, and can build a large number of buildings in a short time to meet the requirements of different types. Modular buildings stand out by virtue of their short construction time, low cost and large-scale production. The modular structure is a novel building structure type, 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 modular structure system is formed by connecting a plurality of mutually independent modular units through modular nodes, and the modular connecting nodes play a vital role in the whole modular structure.
At present, the study of scholars at home and abroad on modular steel structure building connection nodes is still in the starting stage, and the current modular connection nodes also have various defects, such as: 1) the connection design of the modular nodes is complex, and the number of parts is excessive; 2) the modularized nodes need secondary welding, and complete assembly cannot be realized; 3) the modular nodes cannot be disassembled for recycling.
Disclosure of Invention
The invention aims to provide a modular steel structure edge part bolt connecting joint and a construction method, which can realize on-site full-assembly operation and disassembly and recovery. In order to realize the purpose, the invention adopts the following technical scheme:
a modular steel structure edge bolted joint, comprising:
the middle multidirectional connecting piece comprises 2 table mouth surfaces parallel to the cross section direction of the beam, 2 middle oblique side surfaces and 2 middle outer side surfaces parallel to the length direction of the beam; 2 middle outer side faces are oppositely arranged; a table mouth surface and a middle inclined side surface are sequentially arranged between the two middle outer side surfaces; threaded holes are formed in the 2 middle oblique side faces and a middle outer side face connected with the 2 table opening faces;
the upper multidirectional connecting piece unit and the lower multidirectional connecting piece unit are used for accommodating the middle multidirectional connecting piece and have the same structure, and the lower multidirectional connecting piece unit comprises 2 lower multidirectional connecting pieces which are sequentially contacted with each other and symmetrically arranged; the 2 lower multidirectional connecting pieces enclose an open space for accommodating the lower sections of the middle multidirectional connecting pieces, and each lower multidirectional connecting piece comprises:
the pair of outer table mouth surfaces are perpendicular to the axis direction of the beam, and the two outer table mouth surfaces are respectively welded with a module beam;
the pair of inner table mouth surfaces are vertical to the axial direction of the beam, and the inner table mouth surfaces are parallel to and contact with the table mouth surface of the middle multi-directional connecting piece;
a pair of outer side surfaces parallel to the beam axis direction, the outer side surfaces connecting the outer and inner mesa surfaces; one outer side surface is contacted with the outer side surface of the other lower multidirectional connecting piece, and the other outer side surface faces the outside of the open space;
one oblique side surface is connected with the two outer table mouth surfaces, the other oblique side surface is connected with the two inner table mouth surfaces, a through hole is formed between the pair of oblique side surfaces and used for being matched with a threaded hole in one middle oblique side surface in the middle multidirectional connecting piece;
the connecting plate unit comprises 2 top connecting plates which are symmetrically arranged and 2 bottom connecting plates which are symmetrically arranged, the top connecting plates are welded on the top surfaces of the upper multidirectional connecting pieces in the upper multidirectional connecting piece unit, an upper module column is welded on the top surfaces of the top connecting plates, the bottom connecting plates are welded on the bottom surfaces of the lower multidirectional connecting pieces in the lower multidirectional connecting piece unit, and a lower module column is welded on the bottom surfaces of the bottom connecting plates;
the connecting cover plate is simultaneously contacted with the outer side face facing the outside of the open space in the 2 lower multidirectional connecting pieces, the outer side face facing the outside of the open space in the 2 upper multidirectional connecting pieces and the middle outer side face facing the outside of the open space in the middle multidirectional connecting pieces; and the connecting cover plate is provided with threaded holes matched with the outer side surface of the lower multidirectional connecting piece, the outer side surface of the upper multidirectional connecting piece and the middle outer side surface of the middle multidirectional connecting piece.
Preferably, after the middle multidirectional connecting piece, the upper multidirectional connecting piece unit and the lower multidirectional connecting piece unit are installed, the top connecting plate is in contact with the top surface of the middle multidirectional connecting piece, and the bottom connecting plate is in contact with the bottom surface of the middle multidirectional connecting piece.
Preferably, the intermediate 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 multidirectional connector unit and the lower multidirectional connector unit are arranged in a vertically symmetrical manner.
Preferably, the grade of the middle multidirectional connector and the grade of the lower multidirectional connector are 40 cr.
Preferably, the module beam, the upper module column and the lower module column 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 bolt connection joint of a modular steel structure edge comprises the following steps:
(1) welding the module beam:
the module beams include 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 table top surface in the lower multidirectional connecting piece, and an upper module floor beam is welded on the outer wall of each outer table top surface in the upper multidirectional connecting piece;
(2) welding top connecting plate and bottom connecting plate:
welding a top connecting plate to the top surface of the upper multidirectional connecting piece, and welding a bottom connecting plate to 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 a lower module column to the bottom surface of the bottom connecting plate;
(4) assembling a lower multidirectional connector unit:
splicing the lower 2 lower multidirectional connecting pieces to form a lower multidirectional connecting piece unit;
(5) installing a middle multidirectional connecting piece:
placing the lower section of the middle multidirectional connecting piece into an open space defined by the lower multidirectional connecting piece units, and then connecting the threaded holes on the middle oblique side surfaces with the threaded holes on the oblique side surfaces of the lower multidirectional connecting pieces corresponding to each middle oblique side surface through lower bolts;
(6) assembling a multidirectional connector unit:
matching the upper multi-directional connecting pieces on the upper part with the lower multi-directional connecting piece units and the middle multi-directional connecting pieces to form upper multi-directional connecting piece units, simultaneously placing the upper section of the middle multi-directional connecting piece into an open space defined by the upper multi-directional connecting piece units, and then connecting the threaded holes on the middle oblique side surfaces with the threaded holes on the oblique side surfaces of the upper multi-directional connecting pieces corresponding to each middle oblique side surface through upper bolts;
(7) installing a connecting 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 multidirectional connecting pieces, the outer side face facing the outside of the open space in the 2 upper multidirectional connecting pieces and the middle outer side face facing the outside of the open space in the middle multidirectional connecting pieces; and then the threaded hole on the connecting cover plate is connected with the threaded hole on the outer side surface of the lower multidirectional connecting piece, the threaded hole on the middle outer side surface of the middle multidirectional connecting piece and the threaded hole on the outer side surface of the upper multidirectional connecting piece through the middle bolt.
Compared with the prior art, the invention has the advantages that:
(1) the connection node can realize the connection of 4 connecting pieces including an upper multidirectional connecting piece and a lower multidirectional connecting piece on the periphery only through bolts, and the problem of complex connection design of the connection node of the existing modular structure is solved.
(2) The modular construction operation is realized at the connecting node, the upper multidirectional connecting piece unit, the lower multidirectional connecting piece unit, the middle multidirectional connecting piece and the connecting cover plate are tightly connected by bolts without welding reinforcement in any form. Thereby, the connecting joint realizes complete assembly. In addition, the connecting nodes do not need extra construction space, and the problem that a plurality of modular structure connecting nodes are insufficient in construction space is solved.
(3) The middle multidirectional connecting piece, the upper multidirectional connecting piece unit, the lower multidirectional connecting piece unit and the connecting cover plate can be disassembled, and the upper multidirectional connecting piece unit and the lower multidirectional connecting piece unit can be disassembled, so that the modular node can be disassembled and recycled.
In addition, the connection 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 rigidity of the node and the integrity of the structure are further ensured by the multidirectional connecting piece, and the problem that stiffening ribs need to be welded due to insufficient rigidity of the node area of most of the connection nodes of the existing modular structure is solved.
Drawings
FIG. 1 is a schematic view of a modular overall structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a first orientation of a bolted joint at the edge of a modular steel structure;
FIG. 3 is a second schematic view of a modular steel structural edge bolted joint;
FIG. 4 is an exploded view of a modular steel structural edge bolted joint;
FIG. 5 is a schematic view of the installation of the lower multidirectional connection;
FIG. 6 is a block diagram of an intermediate multidirectional connection;
FIG. 7 is a top view of the intermediate multidirectional connection;
FIG. 8 is a three-dimensional view of a lower multidirectional connection;
FIG. 9 is a top view of the lower multidirectional connection;
fig. 10 is a perspective view of the connection cover plate.
Wherein, 1-upper module column, 2-lower module column, 3-upper module floor beam, 4-lower module ceiling beam, 5-middle multi-directional connecting piece, 5-1-middle outer side surface, 5-2-table mouth surface, 5-3-middle inclined side surface, 6-top connecting plate, 7-bottom connecting plate, 8-upper multi-directional connecting piece, 9-lower multi-directional connecting piece, 9-1-outer side surface, 9-2-inner table mouth surface, 9-3-outer table mouth surface, 9-4-inclined side surface, 10-upper bolt, 11-lower bolt, 12-connecting cover plate and 13-middle bolt.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying schematic drawings, in which preferred embodiments of the invention are shown, it being understood that one skilled in the art may modify the invention herein described while still achieving the advantageous effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
As shown in FIGS. 1-10, a modularization steel construction limit portion bolted connection node includes: middle multidirectional connector 5, upper multidirectional connector unit, lower multidirectional connector unit, connecting plate unit and connection apron 12. Wherein, the module beam, the upper module column 1 and the lower module column 2 are all made of square tubular components.
The middle multidirectional connecting piece 5 comprises 2 table opening surfaces 5-2 parallel to the cross section direction of the beam, 2 middle oblique side surfaces 5-3 and 2 middle outer side surfaces 5-1 parallel to the length direction of the beam; 2 middle outer side faces 5-1 are oppositely arranged; a table mouth surface 5-2 and a middle inclined side surface 5-3 are sequentially arranged between the two middle outer side surfaces 5-1; threaded holes are formed in the 2 middle oblique side faces 5-3 and a middle outer side face 5-1 connected with the 2 table opening faces 5-2. Preferably, the intermediate angled side 5-3 is angled in the 45 degree direction.
In the present embodiment, the beams in the "beam cross-sectional direction" and the "beam length direction (beam axis direction)" are all 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)" both refer to the module beam in a specific direction (0 ° or 90 ° direction). Taking fig. 4 as an example, the reference direction of the mesa surface 5-2 and the middle outer side surface 5-1 of the middle multi-directional connecting member 5 is parallel to one module beam (which may be defined as a module beam in the 0 ° direction) of the connecting cover plate 12.
The upper multidirectional connecting piece unit and the lower multidirectional connecting piece unit are used for accommodating the middle multidirectional connecting piece 5, have the same structure and are arranged in an up-down symmetrical mode, and each lower multidirectional connecting piece unit comprises 2 lower multidirectional connecting pieces 9 which are sequentially contacted with each other and are arranged in a symmetrical mode; the 2 lower multidirectional connectors 9 enclose an open space to accommodate the lower section of the intermediate multidirectional connector 5. The last multidirectional connecting piece unit includes 2 in proper order mutual contact and the last multidirectional connecting piece 8 of symmetry setting promptly, and 2 go up multidirectional connecting piece 8 and enclose into the open space that holds middle multidirectional connecting piece 5 upper segment. Wherein, the grades of the middle multidirectional connecting piece 5, the lower multidirectional connecting piece 9 and the upper multidirectional connecting piece 8 are 40 cr.
The lower multidirectional connection 9 comprises: a pair of outer mesa surfaces 9-3, a pair of inner mesa surfaces 9-2, a pair of outer side surfaces 9-1 and a pair of inclined side surfaces 9-4.
And the pair of outer platform opening surfaces 9-3 are vertical to the axial direction of the beam, and the two outer platform opening surfaces 9-3 are respectively welded with a module beam. In the present embodiment, the beams in the "beam cross-sectional direction" and the "beam length direction (beam axis direction)" are all the module beams. Wherein, because module roof beam in two directions of each multidirectional connecting piece 9 all welds down. Therefore, the definitions of the directions of the same outer table top surface 9-3, the same inner table top surface 9-2 and the same outer side surface 9-1 are all based on the module beam in one direction connected with the lower multidirectional connecting piece 9. Taking fig. 4 and 5 as an example, the reference beam direction of each outer mesa surface 9-3, each inner mesa surface 9-2, and each outer lateral surface 9-1 in the lower multi-directional connecting member 9 is the module beam in one direction corresponding thereto.
And the pair of inner table opening surfaces 9-2 are perpendicular to the axial direction of the beam, and the inner table opening surfaces 9-2 are parallel to and contact with the table opening 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 are connected with an outer table top surface 9-3 and an inner table top surface 9-2; one outer side surface 9-1 is in contact with the outer side surface 9-1 of the other lower multidirectional connecting piece 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 opening surfaces 9-3, the other inclined side surface 9-4 is connected with the two inner table opening surfaces 9-2, a through hole is formed between the inclined side surfaces 9-4 and used for being matched with a threaded hole in one middle inclined side surface 5-3 in the middle multidirectional connecting piece 5. Preferably, the angled side 9-4 is angled in a 45 degree direction.
The connecting plate unit comprises 2 top connecting plates 6 symmetrically arranged and 2 bottom connecting plates 7 symmetrically arranged, 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, an upper module column 11 is welded on the top surfaces of the top connecting plates 6, 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 a lower module column 22 is welded on the bottom surfaces of the bottom connecting plates 7. In this embodiment, after the middle multidirectional connector 5, the upper multidirectional connector unit and the lower multidirectional connector unit are installed, the top connecting plate 6 is in contact with the top surface of the middle multidirectional connector 5, and the bottom connecting plate 7 is in contact with the bottom surface of the middle multidirectional connector 5.
A connecting cover plate 12 which is simultaneously contacted with an outer side surface 9-1 facing the outside of the open space in the 2 lower multi-directional connecting pieces 9, an outer side surface facing the outside of the open space in the 2 upper multi-directional connecting pieces 8 and an intermediate outer side surface 5-1 facing the outside of the open space in the intermediate 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 module unit is composed of an upper multidirectional connector unit, an upper module floor beam 3 and an upper module column 1; the lower multidirectional connecting piece unit, the lower module ceiling beam 4 and the lower module column 2 form a lower modular unit; all welded connections are made in advance at the factory. The upper modular unit and the lower modular unit are both steel members and are symmetrical up and down about the contact surface of the upper modular unit and the lower modular unit. The upper modular unit and the lower modular unit are in close contact; the integrity of the node area is ensured, and the requirement of structural stress performance is met.
In this embodiment, the strength rating of the module beam is Q235, Q355, Q390, or Q420; the intensity rating of the upper module column 1 (lower module column 2) is Q235, Q355, Q390 or Q420; the strength rating of the attached cover plate 12 may be Q235, Q355, Q390, or Q420; the strength rating of the bottom web 7 is Q235, Q355, Q390 or Q420.
The construction method of the bolt connection node of the edge of the modular steel structure comprises the following steps (1) - (7):
(1) and welding the module beam.
The modular beams comprise a lower modular ceiling beam 4 and an upper modular floor beam 3.
A lower modular ceiling beam 4 is welded to the outer wall of each outer mesa surface 9-3 in the lower multi-directional connector 9, and an upper modular floor beam 3 is welded to the outer wall of each outer mesa surface 9-3 in the upper multi-directional connector 8.
(2) The top connecting plate 6 and the bottom connecting plate 7 are welded.
The top connector plate 6 is welded to the top surface of the upper multi-way connector 8 and the bottom connector plate 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 column 11 is welded to the top surface of the top connector plate 6 and a lower module column 22 is welded to the bottom surface of the bottom connector plate 7.
(4) And assembling the lower multidirectional connector unit.
And splicing the lower 2 lower multidirectional connecting pieces 9 to form a lower multidirectional connecting piece unit. Namely, the lower 2 lower multidirectional connecting pieces are spliced to form a lower multidirectional connecting piece unit. Specifically, in each lower multidirectional connecting piece 9, one outer side surface 9-1 of the lower multidirectional connecting pieces 9 is in contact with one outer side surface 9-1 of the lower multidirectional connecting pieces 9 to complete splicing of the lower multidirectional connecting pieces 9 at the bottom 2, namely, the assembly of the lower multidirectional connecting piece unit, namely the assembly of the lower modular unit is finally completed.
(5) An intermediate multidirectional connection 5 is installed.
The lower section of the middle multidirectional connecting piece 5 is placed in an open space defined by the lower multidirectional connecting piece units, and then the threaded holes in the middle oblique side surfaces 5-3 are connected with the threaded holes in the oblique side surfaces 9-4 of the lower multidirectional connecting pieces 9 corresponding to each middle oblique side surface 5-3 through the lower bolts 11. After the bolt connection of the middle multidirectional connector 5 and the lower modular unit is completed, the lower multidirectional connector unit is in an assembled state.
(6) And assembling the multidirectional connector unit.
And (3) matching the upper multidirectional connecting pieces 8 on the upper part 2 with the lower multidirectional connecting piece unit and the middle multidirectional connecting piece 5 to form an upper multidirectional connecting piece unit by splicing. Specifically, in each upper multidirectional connecting member 8, one outer side surface thereof is in contact with one outer side surface of the upper multidirectional connecting member 8 to complete the splicing of the upper multidirectional connecting members 8 in the upper portion 2, that is, the assembly of the upper multidirectional connecting member unit, that is, the assembly of the upper modular unit is completed.
Meanwhile, the upper section of the middle multidirectional connecting piece 5 is placed in an open space defined by the upper multidirectional connecting piece units, and then the threaded holes in the middle oblique side surfaces 5-3 are connected with the threaded holes in the oblique side surfaces of the upper multidirectional connecting pieces 8 corresponding to each middle oblique side surface 5-3 through the upper bolts 10. After the bolt connection of the middle multidirectional connector 5 and the upper modular unit is completed, the upper multidirectional 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 multidirectional connecting pieces 9, the outer side surface facing the outside of the open space in the 2 upper multidirectional connecting pieces 8 and the middle outer side surface 5-1 facing the outside of the open space in the middle multidirectional connecting pieces 5; and then the threaded hole on the connecting cover plate 12 is connected with the threaded hole on the outer side surface 9-1 of the lower multi-way connecting piece 9, the threaded hole on the middle outer side surface 5-1 of the middle multi-way connecting piece 5 and the threaded hole on the outer side surface of the upper multi-way connecting piece 8 through a middle bolt 13.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a modularization steel construction limit portion bolted connection node which characterized in that includes:
the middle multidirectional connecting piece comprises 2 table mouth surfaces parallel to the cross section direction of the beam, 2 middle oblique side surfaces and 2 middle outer side surfaces parallel to the length direction of the beam; 2 middle outer side faces are oppositely arranged; a table mouth surface and a middle inclined side surface are sequentially arranged between the two middle outer side surfaces; threaded holes are formed in the 2 middle oblique side faces and a middle outer side face connected with the 2 table opening faces;
the upper multidirectional connecting piece unit and the lower multidirectional connecting piece unit are used for accommodating the middle multidirectional connecting piece and have the same structure, and the lower multidirectional connecting piece unit comprises 2 lower multidirectional connecting pieces which are sequentially contacted with each other and symmetrically arranged; the 2 lower multidirectional connector encloses into the open space of holding the middle multidirectional connector hypomere, lower multidirectional connector includes:
the pair of outer table mouth surfaces are perpendicular to the axis direction of the beam, and the two outer table mouth surfaces are respectively welded with a module beam;
the pair of inner table mouth surfaces are vertical to the axial direction of the beam, and the inner table mouth surfaces are parallel to and contact with the table mouth surface of the middle multi-directional connecting piece;
a pair of outer side surfaces parallel to the beam axis direction, the outer side surfaces connecting the outer and inner mesa surfaces; one outer side surface is contacted with the outer side surface of the other lower multidirectional connecting piece, and the other outer side surface faces the outside of the open space;
one oblique side surface is connected with the two outer table mouth surfaces, the other oblique side surface is connected with the two inner table mouth surfaces, a through hole is formed between the pair of oblique side surfaces and used for being matched with a threaded hole in one middle oblique side surface in the middle multidirectional connecting piece;
the connecting plate unit comprises 2 top connecting plates which are symmetrically arranged and 2 bottom connecting plates which are symmetrically arranged, the top connecting plates are welded on the top surfaces of the upper multidirectional connecting pieces in the upper multidirectional connecting piece unit, an upper module column is welded on the top surfaces of the top connecting plates, the bottom connecting plates are welded on the bottom surfaces of the lower multidirectional connecting pieces in the lower multidirectional connecting piece unit, and a lower module column is welded on the bottom surfaces of the bottom connecting plates;
the connecting cover plate is simultaneously contacted with the outer side face facing the outside of the open space in the 2 lower multidirectional connecting pieces, the outer side face facing the outside of the open space in the 2 upper multidirectional connecting pieces and the middle outer side face facing the outside of the open space in the middle multidirectional connecting pieces; and the connecting cover plate is provided with threaded holes matched with the outer side surface of the lower multidirectional connecting piece, the outer side surface of the upper multidirectional connecting piece and the middle outer side surface of the middle multidirectional connecting piece.
2. A modular steel structure edge bolted joint according to claim 1, wherein after the intermediate multi-directional coupler, the upper multi-directional coupler unit and the lower multi-directional coupler unit are installed, said top connecting plate contacts the top surface of the intermediate multi-directional coupler and said bottom connecting plate contacts the bottom surface of the intermediate multi-directional coupler.
3. A modular steel structure edge bolted joint as claimed in claim 1, wherein said intermediate beveled side faces are angled in a 45 degree direction and said beveled side faces are angled in a 45 degree direction.
4. The modular steel structure edge bolting node according to claim 1, wherein said upper and lower multi-directional connector units are arranged in a vertically symmetrical manner.
5. A modular steel structure edge bolted joint as claimed in claim 1, wherein said intermediate and lower multidirectional connectors are rated at 40 cr.
6. A modular steel structural edge bolting node according to claim 1, wherein said module beams, upper module columns and lower module columns are made of square tubular members.
7. A modular steel structure edge bolting node according to claim 1, wherein said modular beam strength grade is Q235, Q355, Q390 or Q420.
8. A construction method of a bolt connection joint of a modular steel structure edge is characterized by comprising the following steps:
(1) welding the module beam:
the module beams include 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 table top surface in the lower multi-way connecting piece, and an upper module floor beam is welded on the outer wall of each outer table top surface in the upper multi-way connecting piece;
(2) welding top connecting plate and bottom connecting plate:
welding a top connecting plate to the top surface of the upper multidirectional connecting piece, and welding a bottom connecting plate to 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 a lower module column to the bottom surface of the bottom connecting plate;
(4) assembling a lower multidirectional connector unit:
splicing the lower 2 lower multidirectional connecting pieces to form a lower multidirectional connecting piece unit;
(5) installing a middle multidirectional connecting piece:
placing the lower section of the middle multidirectional connecting piece into an open space defined by the lower multidirectional connecting piece units, and then connecting the threaded holes on the middle oblique side surfaces with the threaded holes on the oblique side surfaces of the lower multidirectional connecting pieces corresponding to each middle oblique side surface through lower bolts;
(6) assembling a multidirectional connector unit:
matching the upper multi-directional connecting pieces on the upper part with the lower multi-directional connecting piece units and the middle multi-directional connecting pieces to form upper multi-directional connecting piece units, simultaneously placing the upper section of the middle multi-directional connecting piece into an open space defined by the upper multi-directional connecting piece units, and then connecting the threaded holes on the middle oblique side surfaces with the threaded holes on the oblique side surfaces of the upper multi-directional connecting pieces corresponding to each middle oblique side surface through upper bolts;
(7) installing a connecting cover plate:
the connecting cover plate is simultaneously contacted with the outer side surface facing the outside of the open space in the 2 lower multidirectional connecting pieces, the outer side surface facing the outside of the open space in the 2 upper multidirectional connecting pieces and the middle outer side surface facing the outside of the open space in the middle multidirectional connecting pieces; and then the threaded hole on the connecting cover plate is connected with the threaded hole on the outer side surface of the lower multidirectional connecting piece, the threaded hole on the outer side surface of the middle multidirectional connecting piece and the threaded hole on the outer side surface of the upper multidirectional connecting piece through the middle bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210546551.2A CN114908881B (en) | 2022-05-18 | 2022-05-18 | Modularized steel structure side bolt connection node and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210546551.2A CN114908881B (en) | 2022-05-18 | 2022-05-18 | Modularized steel structure side bolt connection node and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114908881A true CN114908881A (en) | 2022-08-16 |
| CN114908881B CN114908881B (en) | 2023-12-19 |
Family
ID=82768172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210546551.2A Active CN114908881B (en) | 2022-05-18 | 2022-05-18 | Modularized steel structure side bolt connection node and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114908881B (en) |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114908881B (en) | 2023-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109695295B (en) | Column-beam assembly type integrated variable beam height node and construction method thereof | |
| CN111021533A (en) | Coupling assembling and steel construction assembled beam column connected node | |
| CN212582889U (en) | Splicing reinforced building beam column joint connecting structure | |
| CN112982661A (en) | Plug-in type modular steel structure connecting joint and construction method thereof | |
| CN110541478B (en) | Connecting joint of connecting piece inserted steel pipe column and steel beam | |
| CN211257306U (en) | Wedge-shaped clamping groove connection assembly type steel frame beam column joint | |
| CN215858280U (en) | Full bolt ring slot type beam column node structure | |
| CN113931324A (en) | Cross steel rib column full-bolt rigid connection node and construction method | |
| CN112523367A (en) | Steel beam and concrete filled steel tube vertical member assembled side plate node | |
| CN111894130A (en) | Modular multi-story high-rise fabricated steel structure frame body | |
| CN111155658A (en) | Assembled abnormal shape node connecting device | |
| CN114908881A (en) | Modular steel structure edge part bolt connection node and construction method | |
| CN111411703A (en) | Composite connection node for coupled modular assembly type steel structure | |
| CN217734350U (en) | Steel construction modularization building socket joint type bolted connection node structure | |
| CN216428562U (en) | Assembled beam column weak axis connected node | |
| CN114922295B (en) | Middle bolt connection node of modularized steel structure and construction method | |
| CN113668703B (en) | Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam with three-layer ring plate structure | |
| CN114922294A (en) | Construction method of modular steel structure corner bolt connection joint | |
| CN212641738U (en) | Modular multi-story high-rise fabricated steel structure frame body | |
| CN219548028U (en) | Box type plate-pin connection modularized steel structure middle bolt connection node | |
| CN217949331U (en) | Modularization steel house room | |
| CN219569190U (en) | Modular steel structure edge bolt connection node for box plate-pin connection | |
| CN112012339A (en) | Construction method of assembled beam column structure | |
| CN211774629U (en) | Assembled abnormal shape node connecting device | |
| CN219569189U (en) | Modular steel structure corner bolted joint for box plate-pin connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |