CN211597060U

CN211597060U - Main and secondary beams for steel building structure and connecting structure thereof

Info

Publication number: CN211597060U
Application number: CN201922192285.4U
Authority: CN
Inventors: 李旭禄; 郑天心; 邓环; 毛晓雯; 赵亮; 张航通
Original assignee: Cluster Intelligent Assembly Technology Co ltd
Current assignee: Cluster Intelligent Assembly Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-29
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a steel building structure is with main, secondary beam and connection structure thereof, its major structure is: 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 utility model has the advantages 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 utility model relates to a cold-formed steel building structure system, especially a be applicable to main, secondary beam and connection structure that steel building structure used.

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.

SUMMERY OF THE UTILITY MODEL

The utility model aims at designing a rational in infrastructure, the firm steel building structure of connection effect is with main, secondary beam and connection structure thereof.

The technical scheme of the utility model be, a steel building structure is with main, secondary beam and connection structure thereof, it includes the roof beam body, its 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 utility model has the advantages 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 the girder body of the present invention.

Fig. 2 is a schematic structural view of the secondary beam body of the present invention.

Fig. 3 is a schematic view of a local structure of the girder body of the present invention.

Fig. 4 is a schematic view of an end structure of the secondary beam body of the present invention.

Fig. 5 is a schematic structural view of the connection part of the primary and secondary beams according to the present invention.

Fig. 6 is a schematic structural view of another embodiment of the connecting portion of the primary and secondary beams according to the present invention.

Fig. 7 is a schematic structural view of another example of the local structure of the girder 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 utility model discloses an assembly of this sample does: 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

1. The utility model provides a steel building structure is with main, secondary beam and connection structure thereof, it includes the roof beam body, its 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.

2. The main and sub-beams for a steel building structure and the connection structure thereof according to claim 1, wherein: 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.

3. The main and sub-beams for a steel building structure and the connection structure thereof according to claim 1, wherein: 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.

4. The main and sub-beams for a steel building structure and the connection structure thereof according to claim 1, wherein: 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.