CN216552689U - High-strength steel beam - Google Patents

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

A 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 technique

Steel structure building is a new type of building system. Compared with traditional concrete buildings, steel structure buildings use a large number of steel plates and various section steels to splicing and combining section steel instead of traditional reinforced concrete. Steel structure buildings have higher strength and earthquake resistance. The advantage of better sex. And because the steel plate and section steel can be manufactured in factories and installed on site, the construction period is greatly reduced. Due to the reusability of steel, it can greatly reduce construction waste and be more green and environmentally friendly, so it is widely used in industrial and civil buildings all over the world.

In common steel structure buildings, supporting steel beams usually make the floor slab more stable. The supporting steel beams are usually H-shaped steel beams that are firm and have good bending and deformation resistance. H-shaped steel beams include vertical The web is composed of upper and lower wings that are vertically arranged on the upper and lower sides of the web. The upper and lower wings face each other and are parallel to each other. The cross section is I-shaped. However, it is usually difficult to meet high-strength requirements when supporting steel beams are applied to large-span roofs, so a high-strength steel beam suitable for large-span requirements is currently required in the market.

SUMMARY OF THE INVENTION

In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present invention is 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 achieved through the following technical solutions: a high-strength steel beam, comprising an H-shaped steel beam main body and a reinforcing component, the H-shaped steel beam main body includes a vertically arranged web, and is horizontally arranged at the top of the web. The upper wing plate and the lower wing plate horizontally arranged at the bottom end of the web, the main body of the H-shaped steel beam is integrally formed by the horizontal section, the first bending section, the second bending section and the third bending section which are connected end to end in sequence The angle between the first bending section and the horizontal direction is 2°, the angle between the second bending section and the horizontal direction is 5°, and the angle between the third bending section and the direction is 8°, the reinforcement assembly is composed of multiple groups of reinforcements, each group of reinforcements includes two side reinforcement plates, the two side reinforcement plates of each group of reinforcements are relatively arranged on the left and right sides of the web, and the side reinforcement plates It is perpendicular to the web, and the face opposite to the web is welded and connected to the web. The lower end surface of the lower wing plate is pressed against the upper surface of the lower wing plate and is connected with the upper surface of the lower wing plate by welding, and the plate surface of the side wing reinforcement plate is parallel to the vertical direction.

Wherein, a plurality of groups of reinforcement members are arranged at equal intervals along the length direction of the main body of the H-shaped steel beam.

Among them, the distance between the adjacent two groups of reinforcement components is 2-3 times the height of the main body of the H-shaped steel beam.

Wherein, it also includes a top reinforcing assembly arranged on the main body of the H-shaped steel beam, the top reinforcing assembly is composed of a left reinforcing member and a right reinforcing member, and the left reinforcing member is composed of a left upper T-shaped plate and a left lower T-shaped The wide ends of the upper left T-shaped plate and the lower left T-shaped plate abut each other and are connected by welding, the narrow end of the upper left T-shaped plate is abutted and welded with the lower surface of the upper wing plate, and the lower left T-shaped plate is connected by welding. The narrow end of the lower wing is in contact with the upper surface of the lower wing plate and is connected by welding, and the right side reinforcement is composed of a right upper T-shaped plate and a right lower The wide ends are in contact with each other and are connected by welding, the narrow end of the upper right T-shaped plate is abutted and welded with the lower surface of the upper wing plate, and the narrow end of the lower right T-shaped plate is in contact with the upper surface of the lower wing plate and solder connections.

Wherein, the upper left T-shaped plate and the upper right T-shaped plate are oppositely arranged on both sides of the web, and both are perpendicular to the web and are connected to the web by welding.

Wherein, the left lower T-shaped plate and the right lower T-shaped plate are oppositely arranged on both sides of the web, and both are perpendicular to the web and are connected to the web by welding.

Wherein, the lower end and the upper end of the web are provided with a row of main connecting holes.

Wherein, both the upper left T-shaped plate and the upper right T-shaped plate are provided with auxiliary connection holes.

Wherein, one of the flank reinforcing plates is located at the connection between the horizontal section and the first bending section, the connection between the first bending section and the second bending section, and the connection between the second bending section and the third bending section All have wire holes.

The beneficial effects of the present invention are as follows: the main body of the H-shaped steel beam of the present invention adopts the structure of the horizontal section, the first bending section, the second bending section and the third bending section which are connected end to end in sequence. The angle between the bending section and the horizontal direction is 2°, the angle between the second bending section and the horizontal direction is 5°, and the angle between the third bending section and the direction is 8°. The force is decomposed to the length direction of the main body of the H-beam, thereby effectively reducing the stress intensity on the cross-section direction of the main body of the H-beam. At the same time, the anti-stress deformation performance of the three is enhanced, thereby further improving the overall support strength of the present application, and the lateral wing reinforcing plates are arranged in the vertical direction instead of being perpendicular to the upper or lower wing plates, which can significantly improve the vertical direction of the present application. The anti-stress strength in the direction, thereby improving the overall support strength of the present application, achieves the purpose of being suitable for large-span applications.

Description of drawings

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

2 is a schematic cross-sectional view of the main body of the H-shaped steel beam of the present invention.

FIG. 3 is a cross-sectional view of the present invention in the direction of A-A in FIG. 1 .

FIG. 4 is a cross-sectional view of the present invention in the direction B-B in FIG. 1 .

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

FIG. 6 is a cross-sectional view of the present invention in the direction of D-D in FIG. 1 .

Reference numerals are: web 1, upper wing plate 2, lower wing plate 3, horizontal section 4, first bending section 5, second bending section 6, third bending section 7, flank reinforcing plate 8, upper left T-shaped plate 9 , left lower T-shaped plate 10 , right upper T-shaped plate 11 , right lower T-shaped plate 12 , main connection hole 13 , auxiliary connection hole 14 , and wire hole 15 .

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the embodiments and accompanying drawings 1 to 6 , and the contents mentioned in the embodiments are not intended to limit the present invention.

1-6, a high-strength steel beam includes an H-shaped steel beam main body and a reinforcement assembly. The H-shaped steel beam main body includes a vertically arranged web 1 and an upper wing horizontally arranged at the top of the web 1 The plate 2 and the lower wing plate 3 horizontally arranged at the bottom end of the web plate 1, the main body of the H-shaped steel beam consists of a horizontal section 4, a first bending section 5, a second bending section 6 and a third bending section which are connected end to end in sequence The section 7 is integrally formed, the angle between the first bending section 5 and the horizontal direction is 2°, the angle between the second bending section 6 and the horizontal direction is 5°, and the third bending section 7 The included angle with the said direction is 8°, and the reinforcement assembly is composed of multiple sets of reinforcement members, each group of reinforcement members includes two side wing reinforcement plates 8, and the two side wing reinforcement plates 8 of each group of reinforcement members are relatively arranged on the belly. The left and right sides of the plate 1 and the side wing reinforcement plate 8 and the web plate 1 are perpendicular to each other, the opposite surface of the side wing reinforcement plate 8 and the web plate 1 is welded to the web plate 1, and the upper end surface of the side wing reinforcement plate 8 is against the upper wing plate 2. The lower surface of the upper wing plate 2 is welded and connected to the lower surface of the upper wing plate 2. The lower end surface of the side wing reinforcement plate 8 is against the upper surface of the lower wing plate 3 and is welded to the upper surface of the lower wing plate 3. The plate of the side wing reinforcement plate 8 The face is parallel to the vertical direction.

The main body of the H-shaped steel beam of the present invention adopts the structure of the horizontal section 4, the first bending section 5, the second bending section 6 and the third bending section 7 which are connected end to end in sequence, and the first bending section 5 is integrally formed. The included angle with the horizontal direction is 2°, the included angle between the second bending section 6 and the horizontal direction is 5°, and the included angle between the third bending section 7 and the said direction is 8°, which can reduce part of the vertical force. It is decomposed to the length direction of the main body of the H-shaped steel beam, thereby effectively reducing the stress intensity of the main section of the H-shaped steel beam. Support strength, while enhancing the stress and deformation resistance of the three, thereby further improving the overall support strength of the present application, and the side wing reinforcing plate 8 is arranged in the vertical direction instead of being perpendicular to the upper wing plate 2 or the lower wing plate 3, which can significantly improve the The anti-stress strength of the present application along the vertical direction, thereby improving the overall support strength of the present application, achieves the purpose of being suitable for large-span applications.

Wherein, a plurality of groups of reinforcement members are arranged at equal intervals along the length direction of the main body of the H-shaped steel beam. Multiple sets of reinforcements are arranged at equal intervals along the length of the main body of the H-shaped steel beam to ensure that the steel beam has a balanced stress resistance along the length direction, so as to avoid the occurrence of local low stress resistance and damage. The overall strength of the steel beam.

Among them, the distance between the adjacent two groups of reinforcement components is 2-3 times the height of the main body of the H-shaped steel beam. Reasonable design of the spacing of the reinforcing components can greatly enhance the strength of the steel beam of the present application, and at the same time avoid the waste of steel and the increase in cost caused by the excessively dense spacing of the reinforcing components.

Wherein, it also includes a top reinforcing assembly arranged on the main body of the H-shaped steel beam, the top reinforcing assembly is composed of a left reinforcing member and a right reinforcing member, and the left reinforcing member is composed of a left upper T-shaped plate 9 and a left lower T-shaped plate 9. The upper left T-shaped plate 9 and the wide end of the lower left T-shaped plate 10 abut each other and are welded and connected, and the narrow end of the upper left T-shaped plate 9 is abutted and welded with the lower surface of the upper wing plate 2 connection, the narrow end of the left lower T-plate 10 is in contact with the upper surface of the lower wing plate 3 and is connected by welding, and the right reinforcement is composed of the right upper T-plate 11 and the right lower T-plate 12. The right upper The wide ends of the T-shaped plate 11 and the lower right T-shaped plate 12 are in contact with each other and are connected by welding, the narrow end of the upper right T-shaped plate 11 is in contact with the lower surface of the upper wing plate 2 and connected by welding, and the lower right T-shaped plate is connected by welding. The narrow end of 12 is in contact with the upper surface of the lower wing plate 3 and is connected by welding.

Wherein, the upper left T-shaped plate 9 and the upper right T-shaped plate 11 are oppositely arranged on both sides of the web plate 1 and are both perpendicular to the web plate 1 and are connected to the web plate 1 by welding.

Wherein, the left lower T-shaped plate 10 and the right lower T-shaped plate 12 are oppositely arranged on both sides of the web 1 and are both perpendicular to the web 1 and are connected to the web 1 by welding.

Wherein, a row of main connecting holes 13 is defined at the lower end and the upper end of the web 1 .

Wherein, the left upper T-shaped plate 9 and the right upper T-shaped plate 11 are both provided with auxiliary connection holes 14 .

Specifically, in the actual installation process, the main connecting hole 13 is connected with the main body or the column, and the auxiliary connecting hole 14 is connected through the auxiliary connecting structure arranged on the main body or the column, so as to realize the installation of the steel beam, and the connection stability is good, The structural strength is high, and the structural design of the top reinforcement assembly can greatly enhance the structural strength of the connection between the steel beam and the main body of the house or the column, and enhance the overall support strength of the steel beam.

Wherein, it is located at the connection between the horizontal section 4 and the first bending section 5, the connection between the first bending section 5 and the second bending section 6, and the connection between the second bending section 6 and the third bending section 7 One of the side wing reinforcing plates 8 is provided with a wire hole 15. The setting of the wire hole 15 is convenient for the later installation of the wire harness.

The above-mentioned embodiment is the preferred implementation scheme of the present invention. In addition, the present invention can also be realized in other ways. Any obvious replacements are within the protection scope of the present invention without departing from the concept of the present invention. Inside.

Claims (9)

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.

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