CN216552689U

CN216552689U - High-strength steel beam

Info

Publication number: CN216552689U
Application number: CN202123185083.0U
Authority: CN
Inventors: 严琼芳; 黄志标; 吴绍辉
Original assignee: Guangdong Yinuo Heavy Industry Steel Structure Co ltd
Current assignee: Guangdong Yinuo Heavy Industry Steel Structure Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-17
Anticipated expiration: 2031-12-17

Abstract

The utility model relates to the technical field of steel beams, in particular to a high-strength steel beam which comprises an H-shaped steel beam main body and a reinforcing assembly, wherein the H-shaped steel beam main body comprises a web plate, an upper wing plate and a lower wing plate, the H-shaped steel beam main body is formed by integrally forming a horizontal section, a first bending section, a second bending section and a third bending section which are sequentially connected end to end, the reinforcing assembly comprises a plurality of groups of reinforcing parts, each group of reinforcing parts comprises two side wing reinforcing plates, the two side wing reinforcing plates of each group of reinforcing parts are oppositely arranged on the left side and the right side of the web plate, the side wing reinforcing plates are mutually vertical to the web plate, the surfaces, opposite to the web plate, of the side wing reinforcing plates are welded and connected with the web plate, the lower end surfaces of the side wing reinforcing plates abut against the upper surface of the lower wing plate and are welded and connected with the upper surface of the lower wing plate, and the plate surfaces of the side wing reinforcing plates are parallel to the vertical direction. The high-strength steel beam has extremely high strength and moment resistance, and is suitable for large-span requirements.

Description

High-strength steel beam

Technical Field

The utility model relates to the technical field of steel beams, in particular to a high-strength steel beam.

Background

The steel structure building is a neotype building system, compares traditional concrete building, and steel structure building adopts a large amount of steel sheets and various shaped steel to splice combination shaped steel each other and has replaced traditional reinforced concrete, and steel structure building has intensity higher, the better advantage of shock resistance. And because the steel plate and the section steel can be manufactured in a factory and installed on site, the construction period is greatly reduced. Because the steel can be repeatedly used, the construction waste can be greatly reduced, and the steel is more environment-friendly, so the steel is widely adopted by all countries in the world and is applied to industrial buildings and civil buildings.

Among the common steel construction building, support through supporting the girder steel and enable the floor slab usually more firm, support the girder steel and for firm and anti-bending H shaped steel that the deformability is good usually, H shaped steel includes the web of vertical setting and sets up respectively perpendicularly about the web upper wing plate and the pterygoid lamina is constituteed with lower pterygoid lamina, upper wing plate and lower pterygoid lamina are just right each other and are parallel to each other, the cross section that upper wing plate, lower pterygoid lamina and web three formed is the I shape. However, it is generally difficult to satisfy high strength requirements when the support steel beam is applied to a large-span roof, and thus a high strength steel beam suitable for large-span requirements is currently required in the market.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a high-strength steel beam which has extremely high strength and moment resistance and is suitable for large-span requirements.

The purpose of the utility model is realized by the following technical scheme: a high-strength steel beam comprises an H-shaped steel beam main body and a reinforcing assembly, wherein the H-shaped steel beam main body comprises a vertically arranged web, an upper wing plate horizontally arranged at the top end of the web and a lower wing plate horizontally arranged at the bottom end of the web, the H-shaped steel beam main body is formed by integrally forming a horizontal section, a first bending section, a second bending section and a third bending section which are sequentially connected end to end, the included angle between the first bending section and the horizontal direction is 2 degrees, the included angle between the second bending section and the horizontal direction is 5 degrees, the included angle between the third bending section and the direction is 8 degrees, the reinforcing assembly comprises a plurality of groups of reinforcing parts, each group of reinforcing parts comprises two flank reinforcing plates, the two flank reinforcing plates of each group of reinforcing parts are relatively arranged on the left side and the right side of the web and are mutually perpendicular to the web, and the opposite surfaces of the flank reinforcing plates and the web are welded and connected, the upper end face of the flank reinforcing plate supports the lower surface of the upper wing plate and is in welded connection with the lower surface of the upper wing plate, the lower end face of the flank reinforcing plate supports the upper surface of the lower wing plate and is in welded connection with the upper surface of the lower wing plate, and the plate face of the flank reinforcing plate is parallel to the vertical direction.

Wherein, the length direction equidistance of multiunit reinforcement constitution along H shaped steel girder main part is at intervals set up.

Wherein, the interval between two adjacent sets of reinforcement component is 2-3 times of H shaped steel girder main part height.

Wherein, still including set up in the top reinforcing subassembly of H shaped steel roof beam main part, the top reinforcing subassembly comprises left side reinforcing piece and right side reinforcing piece, the left side reinforcing piece comprises upper left T template and lower left T template, the mutual butt and welded connection of wide end of upper left T template and lower left T template, the narrow end of upper left T template with go up the lower surface butt and welded connection of pterygoid lamina, the narrow end of lower left T template with the upper surface butt and welded connection of pterygoid lamina down, the right side reinforcing piece comprises upper right T template and lower right T template, the mutual butt and welded connection of wide end of upper right T template and lower right T template, the narrow end of upper right T template with the lower surface butt and welded connection of last pterygoid lamina, the narrow end of lower right T template with the upper surface butt and welded connection of pterygoid lamina down.

The upper left T-shaped plate and the upper right T-shaped plate are arranged on two sides of the web plate oppositely, perpendicular to the web plate and connected with the web plate in a welding mode.

The lower left T-shaped plate and the lower right T-shaped plate are arranged on two sides of the web plate oppositely, perpendicular to the web plate and connected with the web plate in a welding mode.

Wherein, a row of main connecting holes are formed in the lower end and the upper end of the web plate.

And auxiliary connecting holes are formed in the upper left T-shaped plate and the upper right T-shaped plate.

And the side wing reinforcing plate positioned at the joint of the horizontal section and the first bending section, the joint of the first bending section and the second bending section, and the joint of the second bending section and the third bending section is provided with a wire passing hole.

The utility model has the beneficial effects that: the H-shaped steel beam main body of the utility model adopts an integrally formed structure arrangement of a horizontal section, a first bending section, a second bending section and a third bending section which are sequentially connected end to end, the included angle between the first bending section and the horizontal direction is 2 degrees, the included angle between the second bending section and the horizontal direction is 5 degrees, the included angle between the third bending section and the direction is 8 degrees, partial vertical force can be decomposed to the length direction of the H-shaped steel beam main body, thereby effectively reducing the stress intensity born by the section direction of the H-shaped steel beam main body, secondly, the flank reinforcing plate can further enhance the supporting intensity of the web plate, the upper wing plate and the lower wing plate and enhance the stress deformation resistance of the web plate, the upper wing plate and the lower wing plate, thereby further enhancing the integral supporting intensity of the application, and the flank reinforcing plate is arranged along the vertical direction instead of being vertical to the upper wing plate or the lower wing plate, thereby obviously enhancing the stress intensity of the application along the vertical direction, thereby improve the holistic support intensity of this application, realize being applicable to the purpose that the large-span was used.

Drawings

Fig. 1 is a right side view of the present invention.

FIG. 2 is a cross-sectional view of the H-beam body of the present invention.

Fig. 3 is a sectional view taken in the direction of a-a in fig. 1 according to the present invention.

Fig. 4 is a cross-sectional view taken in the direction B-B of fig. 1 in accordance with the present invention.

Fig. 5 is a cross-sectional view taken in the direction of C-C in fig. 1 of the present invention.

Fig. 6 is a cross-sectional view taken in the direction D-D of fig. 1 in accordance with the present invention.

The reference signs are: the structure comprises a web plate 1, an upper wing plate 2, a lower wing plate 3, a horizontal section 4, a first bending section 5, a second bending section 6, a third bending section 7, a side wing reinforcing plate 8, an upper left T-shaped plate 9, a lower left T-shaped plate 10, an upper right T-shaped plate 11, a lower right T-shaped plate 12, a main connecting hole 13, an auxiliary connecting hole 14 and a wire passing hole 15.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-6, which are not intended to limit the present invention.

Referring to fig. 1-6, a high-strength steel beam comprises an H-shaped steel beam main body and a reinforcing assembly, wherein the H-shaped steel beam main body comprises a vertically arranged web 1, an upper wing plate 2 horizontally arranged at the top end of the web 1 and a lower wing plate 3 horizontally arranged at the bottom end of the web 1, the H-shaped steel beam main body is formed by integrally forming a horizontal section 4, a first bending section 5, a second bending section 6 and a third bending section 7 which are sequentially connected end to end, an included angle between the first bending section 5 and the horizontal direction is 2 degrees, an included angle between the second bending section 6 and the horizontal direction is 5 degrees, an included angle between the third bending section 7 and the direction is 8 degrees, the reinforcing assembly comprises a plurality of groups of reinforcing pieces, each group of reinforcing pieces comprises two flank reinforcing plates 8, the two flank reinforcing plates 8 of each group of reinforcing piece are oppositely arranged at the left side and the right side of the web 1, and the reinforcing plates 8 are mutually perpendicular to the web 1, the face that flank reinforcing plate 8 and web 1 are relative is connected with web 1 welded connection, and the up end of flank reinforcing plate 8 supports go up pterygoid lamina 2's lower surface and with the lower surface welded connection of last pterygoid lamina 2, the lower terminal surface of flank reinforcing plate 8 supports the upper surface of pterygoid lamina 3 down and with the upper surface welded connection of lower pterygoid lamina 3 and the face of flank reinforcing plate 8 is parallel with vertical direction.

The H-shaped steel beam main body of the utility model adopts an integrally formed structure of a horizontal section 4, a first bending section 5, a second bending section 6 and a third bending section 7 which are connected end to end in sequence, the included angle between the first bending section 5 and the horizontal direction is 2 degrees, the included angle between the second bending section 6 and the horizontal direction is 5 degrees, the included angle between the third bending section 7 and the direction is 8 degrees, partial vertical force can be decomposed to the length direction of the H-shaped steel beam main body, so that the stress intensity born by the section direction of the H-shaped steel beam main body is effectively reduced, secondly, the flank reinforcing plate 8 can further enhance the supporting intensity of the web plate 1, the upper wing plate 2 and the lower wing plate 3, simultaneously enhance the stress deformation resistance of the three parts, so as to further enhance the integral supporting intensity of the application, and the flank reinforcing plate 8 is arranged along the vertical direction instead of being vertical to the upper wing plate 2 or the lower wing plate 3, can show the anti stress intensity who improves this application along vertical direction to improve the holistic support intensity of this application, realize being applicable to the purpose that the large-span was used.

Wherein, the length direction equidistance of multiunit reinforcement constitution along H shaped steel girder main part is at intervals set up. Multiunit reinforcement constitution is along the length direction equidistance of H shaped steel roof beam main part sets up alternately can ensure that the girder steel all has balanced anti-stress strength along length direction to avoid local anti-stress strength to cross the condition appearance that hangs down, the bulk strength of damage girder steel.

Wherein, the interval between two adjacent sets of reinforcement component is 2-3 times of H shaped steel girder main part height. Strengthen the interval reasonable in design of subassembly, can strengthen the intensity of the girder steel of this application greatly, avoid strengthening the too close waste and the increase of cost that cause steel of subassembly interval simultaneously.

Wherein, the steel beam also comprises a top end reinforcing component arranged on the H-shaped steel beam main body, the top end reinforcing component consists of a left side reinforcing piece and a right side reinforcing piece, the left side reinforcing part consists of an upper left T-shaped plate 9 and a lower left T-shaped plate 10, the wide ends of the upper left T-shaped plate 9 and the lower left T-shaped plate 10 are mutually butted and welded, the narrow end of the upper left T-shaped plate 9 is butted and welded with the lower surface of the upper wing plate 2, the narrow end of the lower left T-shaped plate 10 is butted and welded with the upper surface of the lower wing plate 3, the right side reinforcing part comprises upper right T template 11 and lower right T template 12, the mutual butt and welded connection of wide end of upper right T template 11 and lower right T template 12, the narrow end of upper right T template 11 with the lower surface butt and welded connection of last pterygoid lamina 2, the narrow end of lower right T template 12 with the upper surface butt and welded connection of pterygoid lamina 3 down.

The upper left T-shaped plate 9 and the upper right T-shaped plate 11 are oppositely arranged on two sides of the web plate 1, are perpendicular to the web plate 1 and are connected with the web plate 1 in a welding mode.

The lower left T-shaped plate 10 and the lower right T-shaped plate 12 are oppositely arranged on two sides of the web plate 1, are perpendicular to the web plate 1 and are connected with the web plate 1 in a welding mode.

Wherein, a row of main connecting holes 13 are respectively arranged at the lower end and the upper end of the web plate 1.

And auxiliary connecting holes 14 are formed in the upper left T-shaped plate 9 and the upper right T-shaped plate 11.

Specifically, in the actual installation, main connecting hole 13 is connected with house main part or stand, and vice connecting hole 14 is connected through the supplementary connection structure who sets up at house main part or stand simultaneously to realize the installation of girder steel, connection stability is good, and structural strength is high, and the top reinforcing subassembly adopts such structural design can greatly strengthen the structural strength that girder steel and house main part or stand are connected the position, strengthens the whole support intensity of girder steel.

And wire through holes 15 are formed in one of the flank reinforcing plates 8 positioned at the joint of the horizontal section 4 and the first bending section 5, the joint of the first bending section 5 and the second bending section 6 and the joint of the second bending section 6 and the third bending section 7. The arrangement of the wire passing hole 15 is convenient for the installation of the wire harness in the later period.

The above-described embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Claims

1. A high strength girder steel which characterized in that: the H-shaped steel beam main body comprises a vertically arranged web plate, an upper wing plate horizontally arranged at the top end of the web plate and a lower wing plate horizontally arranged at the bottom end of the web plate, the H-shaped steel beam main body is formed by integrally forming a horizontal section, a first bending section, a second bending section and a third bending section which are sequentially connected end to end, the included angle between the first bending section and the horizontal direction is 2 degrees, the included angle between the second bending section and the horizontal direction is 5 degrees, the included angle between the third bending section and the direction is 8 degrees, the reinforcing assembly comprises a plurality of groups of reinforcing pieces, each group of reinforcing pieces comprises two flank reinforcing plates, the two flank reinforcing plates of each group of reinforcing pieces are oppositely arranged on the left side and the right side of the web plate, the flank reinforcing plates are mutually vertical to the web plate, the opposite surfaces of the flank reinforcing plates and the web plate are welded and connected, the upper end surfaces of the flank reinforcing plates abut against the lower surface of the upper wing plate and are welded and connected with the lower surface of the upper wing plate, the lower end face of the flank reinforcing plate props against the upper surface of the lower wing plate and is in welded connection with the upper surface of the lower wing plate, and the surface of the flank reinforcing plate is parallel to the vertical direction.

2. A high strength steel beam according to claim 1 wherein: the multiple groups of reinforcing parts are arranged at intervals along the length direction of the H-shaped steel beam main body at equal intervals.

3. A high strength steel beam according to claim 2 wherein: the distance between two adjacent groups of reinforcing components is 2-3 times of the height of the H-shaped steel beam main body.

4. A high strength steel beam according to claim 1 wherein: still including set up in the top reinforcing subassembly of H shaped steel roof beam main part, the top reinforcing subassembly comprises left side reinforcing piece and right side reinforcing piece, the left side reinforcing piece comprises upper left T template and left lower T template, the mutual butt and welded connection of wide end of upper left T template and left lower T template, the narrow end of upper left T template with go up the lower surface butt and welded connection of pterygoid lamina, the narrow end of left lower T template with the upper surface butt and welded connection of pterygoid lamina down, the right side reinforcing piece comprises upper right T template and right lower T template, the mutual butt and welded connection of wide end of upper right T template and right lower T template, the narrow end of upper right T template with the lower surface butt and welded connection of last pterygoid lamina, the narrow end of right lower T template with the upper surface butt and welded connection of pterygoid lamina down.

5. A high strength steel beam according to claim 4, wherein: the upper left T-shaped plate and the upper right T-shaped plate are arranged on two sides of the web plate oppositely, are perpendicular to the web plate and are connected with the web plate in a welded mode.

6. A high strength steel beam according to claim 4, wherein: and the lower left T-shaped plate and the lower right T-shaped plate are oppositely arranged on two sides of the web plate, are perpendicular to the web plate and are in welded connection with the web plate.

7. A high strength steel beam according to claim 1 wherein: a row of main connecting holes are formed in the lower end and the upper end of the web plate.

8. A high strength steel beam according to claim 4, wherein: and auxiliary connecting holes are formed in the upper left T-shaped plate and the upper right T-shaped plate.

9. A high strength steel beam according to claim 1 wherein: and the side wing reinforcing plate positioned at the joint of the horizontal section and the first bending section, the joint of the first bending section and the second bending section, and the joint of the second bending section and the third bending section is provided with a wire passing hole.