CN219342808U

CN219342808U - Steel structure box girder

Info

Publication number: CN219342808U
Application number: CN202320311948.3U
Authority: CN
Inventors: 丁伟; 邓全学
Original assignee: Anhui Sengang Construction Engineering Co ltd
Current assignee: Anhui Sengang Construction Engineering Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-07-14
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to a steel structure box girder, which comprises a primary box girder and a secondary box girder, wherein the primary box girder is connected with the secondary box girder through square bracket type grooves of the box girder arranged on the primary box girder and square bracket type grooves of the box girder arranged on the secondary box girder, a plurality of box girder L-shaped connecting plates are arranged at the connecting positions of the primary box girder and the secondary box girder, and the box girder L-shaped connecting plates are fixedly connected with the primary box girder and the secondary box girder through a plurality of mounting connection fixing screw groups; the steel structure box girder is connected through the two-stage box girders to realize the integral steel structure box girder, the strong bearing capacity of the box girder is ensured by arranging various powerful supporting structures inside the box girder, the integral connection of the steel structure box girder is realized through the mode of inscribing the box girder, the seamless connection of the box girder is further realized, the structural stability and the firmness of the box girder are improved, the assembly precision is greatly improved, and the practicability is strong.

Description

Steel structure box girder

Technical Field

The utility model relates to the technical field of building materials, in particular to a steel structure box beam.

Background

The cloud rail traffic is increasingly applied to the traffic of middle and small cities and tourist attractions, the overhead rail beam adopts a steel structure box type beam structure, and can be designed and manufactured into a rail beam with larger span, so that the rigidity of the rail beam can be increased through wider roads, crossroads or rivers, meanwhile, the rail beam does not occupy large ground, and the ground traffic is liberated. The steel box type track beam of the cloud track is used as an important component of the whole track traffic, and the structure form of the steel box type track beam has the advantages of large strength, large span, factory prefabrication, more environment-friendly field installation and the like.

The connection between steel box girder and the steel box girder is an important factor for guaranteeing the overall stability and safety of the steel structure. In the current installation process of steel box girders, the steel box girders are often welded together. Because the outer surface side of the box-shaped track beam needs to be flush, more treatment and corrosion prevention are needed after welding, and meanwhile, the quality risk brought by field welding of each joint is very high, the processing difficulty of welding each section of box-shaped beam is high, labor and time are wasted, a lot of materials are wasted, and meanwhile, the overall stability of the steel structure is relatively low.

Disclosure of Invention

The utility model aims to provide a steel structure box girder, which is realized by connecting two stages of box girders, the strong bearing capacity of the box girders is ensured by arranging various powerful supporting structures inside the box girders, the integral connection of the steel structure box girders is realized by inscribing the box girders, the seamless connection of the box girders is further realized, the structural stability and the firmness of the box girders are improved, and the assembly precision is greatly improved.

In order to achieve the aim of the utility model, the technical scheme adopted is as follows:

the steel structure box girder comprises a primary box girder and a secondary box girder, wherein the primary box girder is connected with the secondary box girder through a box girder I-shaped bulge arranged on the primary box girder and a box girder square-shaped groove arranged on the secondary box girder; the connection part of the primary box girder and the secondary box girder is internally provided with a plurality of box girder L-shaped connection plates, and the box girder L-shaped connection plates are fixedly connected with the primary box girder and the secondary box girder through a plurality of installation connection fixing screw groups.

Preferably, a plurality of vertical supporting plate groups are arranged in the primary box beam, and the vertical supporting plate groups are clamped in middle beam reinforcing ribs of the primary box beam.

Preferably, the primary box beam is provided with a plurality of horizontal support plate groups at the same time, and the horizontal support plate groups are clamped in the vertical support plate groups of the primary box beam.

Preferably, middle partition plate reinforcing ribs are welded in the middle of the secondary box beam, and a plurality of I-shaped supporting bearing plates which are alternatively staggered are arranged on the upper side and the lower side of the middle partition plate reinforcing ribs.

Preferably, the periphery of the I-shaped supporting bearing plate is provided with supporting bearing plate reinforcing ribs, and the supporting bearing plate reinforcing ribs are not contacted with the inner wall surface of the secondary box girder.

Preferably, a plurality of rows of I-shaped bulge connecting screw holes are formed in the I-shaped bulge of the box girder, a plurality of rows of square-shaped groove connecting screw holes are formed in the Fang Kuo-shaped groove of the box girder, and the L-shaped connecting plate of the box girder is fixedly connected with the primary box girder and the secondary box girder through the installation connecting fixed screw group, the I-shaped bulge connecting screw holes and the square-shaped groove connecting screw holes.

Preferably, the L-shaped connecting plate of the box girder is provided with an L-shaped connecting plate connecting screw hole, and the mounting connection fixing screw group is inserted into the I-shaped protruding connecting screw hole and the L-shaped connecting plate connecting screw hole, and the square groove connecting screw hole and the L-shaped connecting plate connecting screw hole to realize the fixed connection of the L-shaped connecting plate of the box girder with the primary box girder and the secondary box girder.

Preferably, the L-shaped connecting plates of the box girder are provided with a plurality of connecting plate wedge-shaped reinforcing ribs, and the connecting plate wedge-shaped reinforcing ribs divide the connecting screw holes of the L-shaped connecting plates in pairs.

The beneficial effects of the utility model are as follows: the steel structure box girder is connected through the two-stage box girders to realize the integral steel structure box girder, the strong bearing capacity of the box girder is ensured by arranging various powerful supporting structures inside the box girder, the integral connection of the steel structure box girder is realized through the mode of inscribing the box girder, the seamless connection of the box girder is further realized, the structural stability and the firmness of the box girder are improved, the assembly precision is greatly improved, and the steel structure box girder has good technical practicability and popularization and application values.

Drawings

FIG. 1 is a schematic cross-sectional view of a junction of a steel structural box beam of the present utility model.

FIG. 2 is a schematic illustration of the structure of a bracket column of the steel structural box beam of the present utility model.

FIG. 3 is a schematic view of a steel structural bracket of the steel structural box beam of the present utility model.

FIG. 4 is a schematic view of the steel structure support frame structure of the steel structure box beam of the present utility model.

Fig. 5 is a schematic view of the structure of a steel structural support frame for a steel structural box beam of the present utility model.

FIG. 6 is a schematic view of the steel structure support frame structure of the steel structure box beam of the present utility model.

In the figure: 1. a primary box girder; 2. a secondary box beam; 3. the box girder I-shaped bulge; 4. square groove of box beam; 5. l-shaped connection plates of box beams; 6. installing and connecting the fixed screw group; 7. the I-shaped bulge is connected with the screw hole; 8. square groove connecting screw hole; 9. middle beam reinforcing ribs; 10. a vertical support plate group; 11. a horizontal support plate group; 12. middle partition plate reinforcing ribs; 13. i-shaped supporting bearing plate; 14. supporting the reinforcing ribs of the bearing plates; 15. wedge-shaped reinforcing ribs are connected with the plates; 16. the L-shaped connecting plate is connected with the screw hole.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the technical content of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1, 2 and 3, the steel structure box girder comprises a primary box girder 1 and a secondary box girder 2, wherein the primary box girder 1 is connected with the secondary box girder 2 through a box girder I-shaped bulge 3 arranged on the primary box girder 1 and a box girder square bracket groove 4 arranged on the secondary box girder 2; the connection part of the primary box girder 1 and the secondary box girder 2 is internally provided with a plurality of box girder L-shaped connecting plates 5, and the box girder L-shaped connecting plates 5 are fixedly connected with the primary box girder 1 and the secondary box girder 2 through a plurality of installation connection fixing screw groups 6.

As shown in fig. 2, 3, 4 and 5, a steel structure box girder is provided, wherein a plurality of vertical support plate groups 10 are arranged in the primary box girder 1, the vertical support plate groups 10 are clamped in middle beam reinforcing ribs 9 of the primary box girder 1, a plurality of horizontal support plate groups 11 are arranged in the primary box girder 1, the horizontal support plate groups 11 are clamped in the vertical support plate groups 10 of the primary box girder 1, middle partition plate reinforcing ribs 12 are welded in the middle of the secondary box girder 2, a plurality of alternating staggered I-shaped support bearing plates 13 are arranged on the upper side and the lower side of the middle partition plate reinforcing ribs 12, support bearing plate reinforcing ribs 14 are arranged on the periphery of each I-shaped support bearing plate 13, and the support bearing plate reinforcing ribs 14 are not in contact with the inner wall surface of the secondary box girder 2.

As shown in fig. 2, 3 and 6, a steel structure box beam is provided with a plurality of rows of I-shaped bulge connecting screw holes 7 on an I-shaped bulge 3 of the box beam, a plurality of rows of square-shaped groove connecting screw holes 8 are provided on a Fang Kuo-shaped groove 4 of the box beam, an L-shaped connecting plate 5 of the box beam is fixedly connected with a primary box beam 1 and a secondary box beam 2 through a mounting connection fixing screw group 6, the I-shaped bulge connecting screw holes 7 and the square-shaped groove connecting screw holes 8, an L-shaped connecting plate connecting screw hole 16 is provided on the L-shaped connecting plate 5 of the box beam, the mounting connection fixing screw group 6 is simultaneously inserted into the I-shaped bulge connecting screw holes 7 and the L-shaped connecting plate connecting screw holes 16, the square-shaped groove connecting screw holes 8 and the L-shaped connecting plate connecting screw holes 16 to realize the fixed connection of the L-shaped connecting plate 5 of the box beam and the primary box beam 1 and the secondary box beam 2, the L-shaped connecting plate 5 of the box beam is provided with a plurality of connecting plate wedge-shaped reinforcing ribs 15, and the connecting plate wedge-shaped reinforcing ribs 15 separate the L-shaped connecting plate connecting screw holes 16 from each other.

When the box girder L-shaped connecting plate 5 is used, the I-shaped protrusion connecting screw holes 7 and the L-shaped connecting plate connecting screw holes 16 are inserted into the I-shaped protrusion connecting screw holes 7 through the installation connection fixing screw groups 6, the I-shaped protrusion 3 of the box girder arranged on the primary box girder 1 is installed and fixed, the square bracket grooves 4 of the box girder arranged on the secondary box girder 2 are aligned with the I-shaped protrusion 3 of the box girder arranged on the primary box girder 1, the I-shaped supporting bearing plate 13 in the secondary box girder 2 is also formed by inserting the Fang Kuo-shaped groove connecting screw holes 8 and the L-shaped connecting plate connecting screw holes 16 through the installation connection fixing screw groups 6, the box girder L-shaped connecting plate 5 and the secondary box girder 2 are fixedly connected, and the middle beam reinforcing ribs 9, the vertical supporting plate groups 10 and the horizontal supporting plate groups 11 in the primary box girder 1 are welded before the primary box girder 1 and the box girder L-shaped connecting plate 5 are installed and connected.

Example 2

This embodiment differs from embodiment 1 in that:

the inner structures of the primary box beam 1 and the secondary box beam 2 are identical, and a middle beam reinforcing rib 9, a vertical support plate group 10 and a horizontal support plate group 11 are arranged in the primary box beam 1, the vertical support plate group 10 is clamped in the middle beam reinforcing rib 9 of the primary box beam 1, and the horizontal support plate group 11 is clamped in the vertical support plate group 10 of the primary box beam 1.

Example 3

This embodiment differs from

embodiments

1 and 2 in that:

the inner structures of the primary box girder 1 and the secondary box girder 2 are identical, a plurality of alternately staggered I-shaped supporting bearing plates 13 are arranged in the primary box girder 1 and the secondary box girder 2, supporting bearing plate reinforcing ribs 14 are arranged around the I-shaped supporting bearing plates 13, and the supporting bearing plate reinforcing ribs 14 are not contacted with the inner wall surface of the secondary box girder 2 or are directly contacted with the inner wall surface of the secondary box girder 2.

In the utility model, the steel structure box girder is connected through the two-stage box girders to realize the integral steel structure box girder, the strong bearing capacity of the box girder is ensured by arranging various powerful supporting structures inside the box girder, the integral connection of the steel structure box girder is realized in an inscribed way of the box girder, the seamless connection of the box girder is further realized, the structural stability and the firmness of the box girder are improved, the assembly precision is greatly improved, and the steel structure box girder has good technical practicability and popularization and application values.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A steel structure box beam, characterized in that: the steel structure box girder comprises a primary box girder (1) and a secondary box girder (2), wherein the primary box girder (1) is connected with the secondary box girder (2) through a box girder I-shaped bulge (3) arranged on the primary box girder (1) and a box girder square-shaped groove (4) arranged on the secondary box girder (2);

a plurality of box beam L-shaped connecting plates (5) are arranged at the joint of the primary box beam (1) and the secondary box beam (2) in an internal mode, and the box beam L-shaped connecting plates (5) are fixedly connected with the primary box beam (1) and the secondary box beam (2) through a plurality of installation connection fixing screw groups (6).

2. A steel structure box girder according to claim 1, wherein: the inside of the primary box girder (1) is provided with a plurality of vertical support plate groups (10), and the vertical support plate groups (10) are clamped in middle beam reinforcing ribs (9) of the primary box girder (1).

3. A steel structure box girder according to claim 2, characterized in that: the primary box beam (1) is provided with a plurality of horizontal support plate groups (11) at the same time, and the horizontal support plate groups (11) are clamped in the vertical support plate groups (10) of the primary box beam (1).

4. A steel structure box girder according to claim 1, wherein: the middle part welding of second grade box beam (2) is provided with middle part baffle strengthening rib (12), and the I-shaped support bearing plate (13) that are provided with a plurality of dislocation in turn are all installed to the upper and lower both sides of middle part baffle strengthening rib (12).

5. A steel structure box girder according to claim 4, wherein: the periphery of the I-shaped supporting bearing plate (13) is provided with supporting bearing plate reinforcing ribs (14), and the supporting bearing plate reinforcing ribs (14) are not contacted with the inner wall surface of the secondary box girder (2).

6. A steel structure box girder according to claim 1, wherein: a plurality of rows of I-shaped bulge connecting screw holes (7) are formed in the I-shaped bulge (3) of the box girder, a plurality of rows of square-shaped groove connecting screw holes (8) are formed in the Fang Kuo-shaped groove (4) of the box girder, and the L-shaped connecting plate (5) of the box girder is fixedly connected with the primary box girder (1) and the secondary box girder (2) through the installation and connection fixing screw group (6), the I-shaped bulge connecting screw holes (7) and the square-shaped groove connecting screw holes (8).

7. A steel structure box girder according to claim 6, wherein: the box girder L-shaped connecting plate (5) is provided with an L-shaped connecting plate connecting screw hole (16), the installation connecting fixing screw group (6) is simultaneously inserted into the I-shaped protruding connecting screw hole (7) and the L-shaped connecting plate connecting screw hole (16), the square groove connecting screw hole (8) and the L-shaped connecting plate connecting screw hole (16) to realize the fixed connection of the box girder L-shaped connecting plate (5) with the primary box girder (1) and the secondary box girder (2).

8. A steel structure box girder according to claim 6, wherein: the box girder L-shaped connecting plate (5) is provided with a plurality of connecting plate wedge-shaped reinforcing ribs (15), and the connecting plate wedge-shaped reinforcing ribs (15) divide the L-shaped connecting plate connecting screw holes (16) into two pairs.