CN110939201A - Main and secondary beams for steel building structure and connecting structure thereof - Google Patents

Main and secondary beams for steel building structure and connecting structure thereof Download PDF

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Publication number
CN110939201A
CN110939201A CN201911255531.4A CN201911255531A CN110939201A CN 110939201 A CN110939201 A CN 110939201A CN 201911255531 A CN201911255531 A CN 201911255531A CN 110939201 A CN110939201 A CN 110939201A
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CN
China
Prior art keywords
main
chord
chord member
connecting plate
fixing hole
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Pending
Application number
CN201911255531.4A
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Chinese (zh)
Inventor
李旭禄
郑天心
邓环
毛晓雯
赵亮
张航通
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Cluster Intelligent Assembly Technology Co Ltd
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Cluster Intelligent Assembly Technology Co Ltd
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Priority to CN201911255531.4A priority Critical patent/CN110939201A/en
Publication of CN110939201A publication Critical patent/CN110939201A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2406Connection nodes
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2457Beam to beam connections

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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)
  • Rod-Shaped Construction Members (AREA)

Abstract

The invention discloses a main beam and a secondary beam for a steel building structure and a connecting structure thereof, wherein the main structure is as follows: the girder body divide into: the upper chord member and the lower chord member are provided with oblique web members; the center line of the diagonal web member is oblique to the center lines of the upper chord member and the lower chord member, the end parts of the upper chord member and the lower chord member are provided with reinforcing plates, and the upper chord member and the lower chord member are provided with main connecting pieces; the secondary beam body structure is as follows: a secondary diagonal web member is arranged between the secondary upper chord member and the secondary lower chord member; the secondary upper chord and the secondary lower chord are provided with auxiliary connecting pieces at the end parts, and the auxiliary connecting pieces are matched with the main connecting pieces in connection mode. The invention has the beneficial effects that: specially aiming at the common problems that the joint of the cold-formed thin-walled steel is easy to have local buckling and hole wall extrusion damage, a standard connecting plate is additionally welded; the joint connection design is more reasonable, the stress structure of each chord is reliable, and the safety and the reliability of the whole structure are improved.

Description

Main and secondary beams for steel building structure and connecting structure thereof
Technical Field
The invention relates to a cold-formed steel building structure system, in particular to a main beam and a secondary beam which are suitable for a steel building structure and a connecting structure thereof.
Background
The intelligent cluster assembly system is a novel cold-formed steel building structure system; the cluster low-layer structure product is a product series of a cluster intelligent assembly system, and the main beam and the secondary beam of the cluster low-layer structure and the connecting structure thereof are important components of the cluster low-layer structure product. At present, the common multi-ribbed light steel structure taking cold-formed steel as a core has the load-bearing floor beams which are generally densely distributed solid-web C-shaped steel beams, and the floor has poor rigidity and higher steel consumption; the rigidity of the floor is improved by adopting a truss girder mode, but the manufacturing is complex in the actual use process, the strength of the connecting joint of the web member and the chord member is not high, and the joint checking calculation is not strict, so that the potential safety hazard is caused; researches show that the joint is a weak link and is easy to damage under extreme load conditions; in addition, the industrialization degree of the existing truss girder structural component of the cold-formed steel is not high, and the requirements of building industrialization can not be completely met. Therefore, the development of a beam system which is suitable for a cold-formed thin-walled steel house system, has high strength, good rigidity and is economic and reasonable is favorable for expanding the market of the cold-formed thin-walled steel house.
Disclosure of Invention
The invention aims to design a main beam and a secondary beam for a steel building structure and a connecting structure thereof, wherein the main beam and the secondary beam are reasonable in structure and stable in connecting effect.
The invention has the technical scheme that the main beam and the secondary beam for the steel building structure and the connecting structure thereof comprise beam bodies, and are characterized in that: the girder body divide into: the upper chord member and the lower chord member are provided with oblique web members; the center line of the diagonal web member is oblique to the center lines of the upper chord member and the lower chord member, the end parts of the upper chord member and the lower chord member are provided with reinforcing plates, and the upper chord member and the lower chord member are provided with main connecting pieces; the secondary beam body structure is as follows: a secondary diagonal web member is arranged between the secondary upper chord member and the secondary lower chord member; the secondary upper chord and the secondary lower chord are provided with auxiliary connecting pieces at the end parts, and the auxiliary connecting pieces are matched with the main connecting pieces in connection mode.
Further the structure of the main connecting piece is divided into: a main upper connecting plate and a main lower connecting plate; the upper part of the main upper connecting plate is provided with an upper fixing hole, and an upper clamping slotted hole is arranged below the upper fixing hole; the lower part of the main lower connecting plate is provided with a lower fixing hole, and a lower clamping slotted hole is arranged above the lower fixing hole. The main connecting piece is fixed with the main beam in a welding mode.
The main connecting piece can also be of a symmetrical structure, and a main upper connecting plate and a main lower connecting plate are symmetrically arranged on two sides of the main beam.
The structure of the auxiliary connecting piece is as follows: an auxiliary upper connecting plate and an auxiliary lower connecting plate; the upper portion of vice upper junction plate be equipped with the fixed orifices and be equipped with bolted connection vice, be equipped with the epirelief buckle in the below of last fixed orifices: the lower part of the auxiliary lower connecting plate is provided with a lower fixing hole and is assembled with a bolt connecting pair, and a lower convex buckle is arranged above the lower fixing hole. The auxiliary connecting piece is fixed with the auxiliary beam in a welding mode.
The invention has the beneficial effects that: specially aiming at the common problems that the joint of the cold-formed thin-walled steel is easy to have local buckling and hole wall extrusion damage, a standard connecting plate is additionally welded; and the mode of socket fastening is adopted, the connection design of the nodes is more reasonable, the stress structure of each chord member is reliable, and the overall safety and reliability of the cold-formed thin-walled steel structure are improved.
Drawings
Fig. 1 is a schematic structural view of a girder body according to the present invention.
Fig. 2 is a schematic structural view of a secondary beam body according to the present invention.
Fig. 3 is a partial structural schematic view of the girder body according to the present invention.
Fig. 4 is a schematic end structure view of a secondary beam body according to the present invention.
Fig. 5 is a schematic structural view of the connection portion of the primary and secondary beams according to the present invention.
Fig. 6 is a schematic structural view of another embodiment of the connection portion of the primary and secondary beams according to the present invention.
Fig. 7 is a schematic structural view of another example of a partial structure of the girder body according to the present invention.
Fig. 8 is a schematic view of the primary connection on the main beam of fig. 7.
Fig. 9 is a schematic view of the primary connection on the main beam of fig. 6.
Detailed Description
The embodiments are described in detail in connection with the above drawings,
in the case of the example 1, the following examples are given,
the utility model provides a steel building structure is with main, secondary beam and connection structure thereof, it includes the roof beam body, and the girder roof beam body divide into: the upper chord 1 and the lower chord 3 are provided with an inclined web member 2 between; the center line of the diagonal web member is oblique to the center lines of the upper chord member and the lower chord member, the end parts of the upper chord member and the lower chord member are provided with reinforcing plates 44, and the upper chord member and the lower chord member are provided with main connecting pieces; the secondary beam body structure is as follows: a secondary diagonal web member 12 is arranged between the secondary upper chord 11 and the secondary lower chord 13; the secondary upper chord and the secondary lower chord are provided with auxiliary connecting pieces at the end parts, and the connecting forms of the auxiliary connecting pieces are matched with those of the main connecting pieces;
to further elaborate on the embodiment, the main connecting piece is structured as follows: a main upper connecting plate 4 and a main lower connecting plate 5; the upper part of the main upper connecting plate is provided with an upper fixing hole 41, and an upper clamping slotted hole 42 is arranged below the upper fixing hole; the lower part of the main lower connecting plate is provided with a lower fixing hole 51, and a lower clamping slotted hole 52 is arranged above the lower fixing hole; the main connecting piece is fixed with the main beam in a welding mode;
meanwhile, the structure of the auxiliary connecting piece is expressed in the embodiment as follows: an auxiliary upper connecting plate 14 and an auxiliary lower connecting plate 15; the upper part of the auxiliary upper connecting plate is provided with an upper fixing hole 41 and is assembled with a bolt connecting pair 16, and an upper convex buckle 142 is arranged below the upper fixing hole: the lower part of the auxiliary lower connecting plate is provided with a lower fixing hole 51 and is assembled with a bolt connecting pair, and a lower convex buckle 152 is arranged above the lower fixing hole; the auxiliary connecting piece is fixed with the auxiliary beam in a welding mode.
The assembly of this sample invention is: it has main connecting piece to distribute on the girder, and the end fixing of secondary beam has vice connecting piece, and is corresponding with the fixed orifices of vice connecting piece and main connecting piece's fixed orifices to it is fixed to utilize bolted connection pair to connect, simultaneously: the convex buckle on the auxiliary connecting piece is assembled with the clamping and fixing groove hole arranged on the main connecting piece, so that the connection stability between the main beam and the auxiliary beam is further ensured.
In the case of the example 2, the following examples are given,
on the basis of embodiment 1, the main connecting pieces on the main beam can be symmetrically arranged on two sides of the main beam and are respectively provided with a main upper connecting plate and a main lower connecting plate, so that the main beam can be conveniently connected with the secondary beams on two sides simultaneously. Larger span structural connections can also be achieved.
In the case of the example 3, the following examples are given,
with reference to fig. 7 and 8, on the basis of embodiment 1, the main connecting piece on the main beam, the main upper connecting plate and the main lower connecting plate are respectively provided with a U-shaped bayonet 48 at the part connected with the main beam body, the opening of the U-shaped bayonet of the main upper connecting plate faces upwards, the opening of the U-shaped bayonet of the main lower connecting plate faces downwards, and a folded edge 49 is arranged at the opening position of the U-shaped bayonet; when the main connecting piece is fixed, the U-shaped bayonet is clamped on the girder body of the main girder, and the U-shaped bayonet is welded and fixed with the girder body of the main girder by using the folded edge, so that the connection stability of the main connecting piece and the main girder is further improved.
The above examples are merely illustrative for clarity and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. It is not necessary or necessary to exhaustively enumerate all embodiments herein, and obvious variations or modifications can be made without departing from the scope of the invention.

Claims (4)

1.一种钢建筑结构用主、次梁及其连接结构,它包括梁体,其特征在于:主梁梁体分为:上弦杆与下弦杆,上弦杆与下弦杆之间设有斜腹杆;斜腹杆中心线的斜交于上弦杆、下弦杆的中心线,在上、下弦杆端部设有加强板,在上、下弦杆上设有主连接件;次梁梁体结构为:次上弦杆与次下弦杆,次上弦杆与次下弦杆之间设有次斜腹杆;次斜腹杆中心线的斜交次上弦杆、次下弦杆的中心线,次上弦杆、次下弦杆的端部设有副连接件,副连接件与主连接件的连接形态相配。1. a steel building structure is used for main, secondary beam and connecting structure thereof, it comprises beam body, it is characterized in that: main beam beam body is divided into: upper chord and lower chord, between upper chord and lower chord, be provided with a slanted web rod; the center line of the oblique web rod is obliquely intersected with the center line of the upper chord and the lower chord, reinforcing plates are arranged at the ends of the upper and lower chords, and main connecting pieces are arranged on the upper and lower chords; the beam structure of the secondary beam is : The secondary upper chord and the secondary lower chord, there is a secondary oblique web between the secondary upper chord and the secondary lower chord; The end of the lower chord is provided with an auxiliary connecting piece, and the connecting form of the auxiliary connecting piece and the main connecting piece is matched. 2.如权利要求1所述的一种钢建筑结构用主、次梁及其连接结构,其特征在于:进一步所述主连接件的结构分为:主上连接板和主下连接板;所述的主上连接板的上部设有上固定孔,在上固定孔的下方设有上卡固槽孔;所述的主下连接板的下部设有下固定孔,在下固定孔的上方设有下卡固槽孔。2. The primary and secondary beams and their connecting structures for a steel building structure as claimed in claim 1, characterized in that: the structure of the further said primary connecting piece is divided into: a main upper connecting plate and a main lower connecting plate; The upper part of the main upper connecting plate is provided with an upper fixing hole, and the lower part of the upper fixing hole is provided with an upper clamping slot hole; the lower part of the main lower connecting plate is provided with a lower fixing hole, and the upper part of the lower fixing hole is provided with Lower clamping slot. 3.如权利要求1所述的一种钢建筑结构用主、次梁及其连接结构,其特征在于:进一步所述的主连接件还可以为对称式的结构,在主梁的两侧对称设置有主上连接板和主下连接板。3. The primary and secondary beams and their connecting structures for a steel building structure as claimed in claim 1, wherein the further described primary connector can also be a symmetrical structure, which is symmetrical on both sides of the primary beam A main upper connection board and a main lower connection board are provided. 4.如权利要求1所述的一种钢建筑结构用主、次梁及其连接结构,其特征在于:进一步所述的副连接件的结构为:副上连接板和副下连接板;所述的副上连接板的上部设有上固定孔并装配有螺栓连接副,在上固定孔的下方设有上凸卡扣:所述的副下连接板的下部设有下固定孔并装配有螺栓连接副,在下固定孔的上方设有下凸卡扣。4. The primary and secondary beams and their connecting structures for a steel building structure as claimed in claim 1, characterized in that: the structure of the further described secondary connecting piece is: a secondary upper connecting plate and a secondary lower connecting plate; The upper part of the auxiliary upper connecting plate is provided with an upper fixing hole and is equipped with a bolt connection pair, and an upper convex buckle is arranged below the upper fixing hole: the lower part of the auxiliary lower connecting plate is provided with a lower fixing hole and is equipped with The bolt connection pair is provided with a lower convex buckle above the lower fixing hole.
CN201911255531.4A 2019-12-10 2019-12-10 Main and secondary beams for steel building structure and connecting structure thereof Pending CN110939201A (en)

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Application Number Priority Date Filing Date Title
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EP0150545A1 (en) * 1984-01-26 1985-08-07 Steel Research, Inc. Composite steel truss and concrete floor construction
CA2319346A1 (en) * 1998-11-25 2000-06-02 Dietrich Industries, Inc. Floor joist and support system therefor
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CN208594668U (en) * 2018-04-28 2019-03-12 李杨德 A kind of assembled plaster tablet suspended ceiling module false keel plane T-type connector
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CN211597060U (en) * 2019-12-10 2020-09-29 集束智能装配科技有限公司 Primary and secondary beams and their connecting structure for steel building structure
CN214941105U (en) * 2021-03-29 2021-11-30 云南融筑新型建材有限公司 Suspended truss beam connecting assembly for light steel structure

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