CN220978555U - Box-section steel member - Google Patents
Box-section steel member Download PDFInfo
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- CN220978555U CN220978555U CN202322288253.0U CN202322288253U CN220978555U CN 220978555 U CN220978555 U CN 220978555U CN 202322288253 U CN202322288253 U CN 202322288253U CN 220978555 U CN220978555 U CN 220978555U
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- box
- inner partition
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- section
- welded
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 98
- 239000010959 steel Substances 0.000 title claims abstract description 98
- 238000005192 partition Methods 0.000 claims description 64
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 abstract description 33
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000006978 adaptation Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Rod-Shaped Construction Members (AREA)
Abstract
The utility model discloses a box-section steel member, which comprises two U-shaped steels, wherein each U-shaped steel is internally provided with an inner baffle plate parallel to the cross section of each U-shaped steel, the two U-shaped steels are butted to form a box-shaped structure, the two U-shaped steels are used for splicing the inner baffle plates in the two butted U-shaped steels, the two inner baffle plates are positioned in the same plane, and the two inner baffle plates are welded into a whole or not welded into a whole at the splicing position. The box-section steel member adopting the structure can reduce the use of electroslag welding so as to improve the manufacturing efficiency.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to a box-section steel member.
Background
The box-section steel member is a structural load bearing member welded from four steel plates and has an inner baffle welded therein for increasing the section stiffness of the steel member to limit deformation of the steel member.
At present, the manufacturing process of the box section steel member comprises the following steps: the three steel plates are welded into U-shaped steel firstly, then the inner baffle plate is welded on the inner side wall of the U-shaped steel, then the fourth steel plate is welded with the opening end of the U-shaped steel to form box-shaped steel, finally, as the inner space of the box-shaped steel is smaller, the welding operation of electroslag welding is needed, namely, a welding opening is arranged on one rigid plate of the box-shaped steel, so that the welding head extends into the box-shaped steel through the welding opening, and the last side edge of the inner baffle plate is welded with the fourth steel plate. In the manufacturing process, both sides of the last side edge of the inner partition plate are welded with the fourth steel plate by adopting electroslag welding to form two opposite welding seams so as to offset deformation caused by welding, thereby causing lower manufacturing efficiency of the box-section steel member.
In summary, how to provide a box-section steel member, which can reduce the use of electroslag welding to improve the manufacturing efficiency is a problem to be solved by those skilled in the art.
Disclosure of utility model
In view of the above, an object of the present utility model is to provide a box-section steel member that can reduce the use of electroslag welding to improve the production efficiency.
In order to achieve the above object, the present utility model provides the following technical solutions:
The box section steel member comprises two U-shaped steels, wherein each U-shaped steel is internally provided with an inner partition plate parallel to the cross section of the U-shaped steel, the two U-shaped steels are in butt joint to form a box structure, the two U-shaped steels are used for splicing the inner partition plates in the two different U-shaped steels, the two inner partition plates are positioned in the same plane, and the two inner partition plates are welded into a whole or not welded into a whole at the splicing position.
Preferably, the shape of the inner partition is adapted to the cross-sectional profile of the U-shaped steel.
Preferably, the side edges of the inner partition plates are welded with the corresponding inner side walls of the U-shaped steel.
Preferably, the side edge of the inner partition plate facing the outer part of the U-shaped steel and the end face of the opening end of the U-shaped steel are positioned on the same horizontal plane, and the end faces of the opening ends of the two U-shaped steels are welded.
Preferably, each inner partition plate is provided with a pouring opening, and the two pouring openings are communicated and are arranged close to the middle of the section of the box-shaped structure.
Preferably, pouring openings are arranged on the inner partition plates and near the middle of the inner partition plates.
Preferably, each inner partition plate is provided with a plurality of ventilation ports.
Preferably, each ventilation opening is arranged at a corner of the inner partition plate and far away from the splicing position of the two inner partition plates.
Compared with the background art, the box-section steel member provided by the utility model comprises two U-shaped steels, wherein each U-shaped steel is internally welded with the inner partition plates parallel to the cross section of the U-shaped steel, the two U-shaped steels are butted and welded to form a box-shaped structure, in the box-shaped structure, the two inner partition plates are positioned on the same plane, the two U-shaped steels are butted to enable the opposite sides of the two inner partition plates to be spliced together and form a gap, when the box-shaped structure is provided with beams along two sides perpendicular to the gap, the opposite sides of the two inner partition plates are welded at the splicing position, so that the inner partition plates are integrated to increase the section rigidity of the box-shaped structure and enable the load of one beam to be transmitted to the other beam through the box-shaped structure, and in addition, the opposite sides of the two inner partition plates are welded by electroslag to form a welding seam, and only one electroslag welding operation is used; when the two sides of the box-shaped structure, which are parallel to a welding line, are provided with beams, the two inner partition plates can play a role in increasing the rigidity of the section of the box-shaped structure, and the opposite side edges of the two inner partition plates are not required to be welded, namely, electroslag welding operation is not required. Therefore, the utility model can reduce the use of electroslag welding so as to improve the manufacturing efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first box section steel member according to the present utility model;
fig. 2 is a schematic structural view of a second box section steel member provided by the present utility model.
In the figure:
1 is U-shaped steel, 2 is an inner partition plate, 3 is a weld joint, 4 is a pouring port, and 5 is an air vent.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
The core of the utility model is to provide a box section steel member which enables reduced use of electroslag welding to improve manufacturing efficiency.
Referring to fig. 1, the present application provides a box-section steel member, which comprises two U-shaped steels 1, wherein each U-shaped steel 1 is internally provided with an inner partition plate 2 parallel to the cross section of the U-shaped steel, the two U-shaped steels 1 are butted to form a box-shaped structure, the two inner partition plates 2 in the two butted U-shaped steels 1 are spliced, the two inner partition plates 2 are located in the same plane, and the two inner partition plates 2 are welded into a whole or not welded into a whole at the splicing position.
Specifically, an inner partition plate 2 parallel to the cross section of each U-shaped steel 1 is welded in each U-shaped steel 1, the two U-shaped steels 1 are butted and welded to form a box-shaped structure, in the box-shaped structure, the two inner partition plates 2 are positioned on the same plane, the two U-shaped steels 1 are butted to enable the opposite sides of the two inner partition plates 2 to be spliced together and form a gap, when the box-shaped structure is provided with beams along two sides perpendicular to the gap, the opposite sides of the two inner partition plates 2 are welded at the splicing position, so that the inner partition plates 2 are integrated to increase the rigidity of the cross section of the box-shaped structure and enable the load of one beam to be transferred to the other beam through the box-shaped structure, in addition, the opposite sides of the two inner partition plates 2 are welded to form a welding seam 3 by electroslag welding, and only one electroslag welding operation is used; when the box-shaped structure is provided with beams along both sides parallel to one weld line 3, both the two inner separators 2 can function to increase the rigidity of the cross section of the box-shaped structure, and the opposite sides of the two inner separators 2 do not need to be welded, i.e. electroslag welding operation is not needed. Therefore, the application can reduce the use of electroslag welding so as to improve the manufacturing efficiency.
It should be noted that, the two inner partition plates 2 are located on the same plane, and correspondingly, the opposite sides of the two inner partition plates 2 are also located on the same plane, and the two opposite sides are welded by electroslag welding to form a welding seam 3, and the welding seam 3 is located between the two inner partition plates 2 and can be located in the middle of the section of the box-shaped structure, so that welding deformation can be reduced. In addition, the electroslag welding has higher reject ratio than the conventional full penetration weld joint 3, so that the use of the electroslag welding is reduced, and the manufacturing quality of the box-section steel member can be improved.
The shape of the inner partition 2 is adapted to the cross-sectional profile of the U-shaped steel 1. The cross section of the box section steel member may be rectangular, trapezoidal or curved, but when used as a load bearing member in a building, a rectangular cross section is often adopted, and correspondingly, the U-shaped steel 1 is formed of three steel plates, two of which are respectively perpendicular to both sides of one steel plate and welded to enclose a rectangular space, and the inner separator 2 is a rectangular plate so that the inner separator 2 is placed inside the U-shaped steel 1.
In addition, the side edges of the inner partition plate 2 are welded with the inner side walls of the corresponding U-shaped steel 1, namely, three side edges of the rectangular inner partition plate 2 are respectively welded on the inner side walls of the corresponding U-shaped steel 1, and the welding mode can be arc welding, so that the inner partition plate 2 is firmly installed in the U-shaped steel 1, the connection strength between the two is ensured, and in addition, the last side edge of the inner partition plate 2 is arranged towards the outer part of the U-shaped steel 1.
In order to facilitate the butt joint of the two U-shaped steels 1, the opposite side edges of the two inner partition plates 2 are spliced together, the last side edge of the rectangular inner partition plate 2 and the edges of the steel plates at the two sides of the opening end of the U-shaped steel 1 are positioned on the same horizontal plane, and the end faces of the opening ends of the two U-shaped steels 1 can be welded by adopting an arc welding mode.
On the basis of the above embodiment, referring to fig. 1, each inner partition plate 2 is provided with a pouring opening 4, and two pouring openings 4 are communicated and are arranged near the middle of the cross section of the box-shaped structure.
Specifically, after two U-shaped steels 1 are butted and welded to form a box structure, concrete needs to be poured into the box structure to form a bearing member with high structural strength, then a pouring opening 4 needs to be arranged on each inner partition plate 2, and the two pouring openings 4 are communicated to form a pouring opening 4 with a larger caliber and are arranged in the middle of the section of the box structure so as to facilitate pouring concrete into the box structure.
Optionally, referring to fig. 2, pouring ports 4 are disposed on each inner partition plate 2 and near the middle of each inner partition plate, so that concrete is poured into the box structure through the two pouring ports 4, so as to avoid damaging opposite sides of the two inner partition plates 2, and facilitate welding a gap between the two inner partition plates 2.
On the basis of the embodiment, after the concrete is poured, a large amount of heat is generated in the box-shaped structure, water in the concrete is evaporated to generate gas, and each inner partition plate 2 is provided with a plurality of ventilation openings 5, so that the gas in the box-shaped structure can be discharged from the ventilation openings 5, a gap is avoided from being formed in the concrete, and the compactness of the concrete is improved.
On the basis of the above embodiment, each ventilation opening 5 is provided at a corner of the inner partition plate 2 and is distant from the split position of the two inner partition plates 2.
Specifically, two corners of the inner partition plate 2, which are positioned at two welding edges of the U-shaped steel 1, are respectively provided with a ventilation opening 5, and pouring openings 4 are arranged at the middle positions of the two U-shaped steel 1 or at the middle parts of the box-shaped structures, which are positioned at the splicing positions of the two U-shaped steel 1, so that the ventilation openings 5 and the pouring openings 4 are uniformly and dispersedly arranged, and the situation that an exhaust dead zone exists in the box-shaped structures to cause the uncompacted concrete part is avoided, so that the compactness of the concrete is further improved.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The box section steel member provided by the present utility model is described above in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (5)
1. The box-section steel member is characterized by comprising two U-shaped steels (1), wherein an inner partition plate (2) parallel to the cross section of each U-shaped steel (1) is arranged in each U-shaped steel (1), the two U-shaped steels (1) are butted to form a box-shaped structure, the two U-shaped steels (1) are used for splicing the inner partition plates (2) in two different U-shaped steels (1), the two inner partition plates (2) are positioned in the same plane, and the two inner partition plates (2) are welded into a whole or not welded into a whole at the splicing position;
the shape of the inner partition plate (2) is matched with the cross-section outline of the U-shaped steel (1);
The side edges of the inner partition plates (2) are welded with the inner side walls of the corresponding U-shaped steel (1);
the side edges of the inner partition plate (2) facing the outer parts of the U-shaped steel (1) and the end surfaces of the opening ends of the U-shaped steel (1) are positioned on the same horizontal plane, and the end surfaces of the opening ends of the two U-shaped steel (1) are welded.
2. A box-section steel member according to claim 1, characterized in that each of the inner partition plates (2) is provided with pouring openings (4), and that two pouring openings (4) are connected and arranged near the middle of the section of the box-section structure.
3. A box-section steel member according to claim 1, characterized in that each of the inner bulkheads (2) is provided with a pouring opening (4) at a position near the middle thereof.
4. A box-section steel member according to claim 2 or 3, characterized in that each of the inner partition plates (2) is provided with a number of ventilation openings (5).
5. The box-section steel member according to claim 4, characterized in that each of the ventilation openings (5) is provided at a corner of the inner partition (2) and distant from the splice of the two inner partitions (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322288253.0U CN220978555U (en) | 2023-08-24 | 2023-08-24 | Box-section steel member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322288253.0U CN220978555U (en) | 2023-08-24 | 2023-08-24 | Box-section steel member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220978555U true CN220978555U (en) | 2024-05-17 |
Family
ID=91058695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322288253.0U Active CN220978555U (en) | 2023-08-24 | 2023-08-24 | Box-section steel member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220978555U (en) |
-
2023
- 2023-08-24 CN CN202322288253.0U patent/CN220978555U/en active Active
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