CN214034390U - Variable cross-section H-shaped steel - Google Patents
Variable cross-section H-shaped steel Download PDFInfo
- Publication number
- CN214034390U CN214034390U CN202022505314.0U CN202022505314U CN214034390U CN 214034390 U CN214034390 U CN 214034390U CN 202022505314 U CN202022505314 U CN 202022505314U CN 214034390 U CN214034390 U CN 214034390U
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- Prior art keywords
- plate
- pterygoid lamina
- web
- shaped steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a variable cross section H shaped steel, including pterygoid lamina and web, the pterygoid lamina includes pterygoid lamina and lower pterygoid lamina to the web is fixed in between pterygoid lamina and the lower pterygoid lamina, the web includes two connecting plates and steadying plate to two connecting plates are fixed in the top and the bottom of steadying plate respectively, all through welded fastening between web and pterygoid lamina and connecting plate and the steadying plate, it all is provided with the arch with the middle part of the relative one side of lower pterygoid lamina to the arch is wavy extension, one side that the steadying plate was kept away from to the connecting plate is provided with the recess to recess looks adaptation, the both sides of steadying plate are the arc form protrusion, the both sides of going up pterygoid lamina and the relative one side of lower pterygoid lamina all are provided with the chopping block to chopping block and pterygoid lamina welding, the utility model relates to metallurgical steel technical field. The variable cross-section H-shaped steel solves the problem that the material waste is caused when the existing constant cross-section steel is used as a large-span bending member.
Description
Technical Field
The utility model relates to a metallurgical steel technical field specifically is a variable cross section H shaped steel.
Background
The steel structure has wide application in civil engineering due to the comprehensive advantages of high strength, large rigidity, light weight, high industrialization degree, good anti-seismic performance and the like, and compared with the steel structure formed by welding steel plates, the steel structure mainly taking hot-rolled H-shaped steel can save a lot of welding work and materials, has low residual stress and good appearance and surface quality.
At present, H-shaped steel on the Chinese market is mainly of a longitudinal uniform section, the longitudinal uniform section shaped steel is suitable for components mainly stressed in an axial direction and bending, however, for a large-span bending component, the stress state of a fulcrum and a span of the large-span bending component has a large difference, and a simply supported H-shaped steel beam bears transverse uniformly distributed load as an example: near the pivot, the H-shaped steel beam is subjected to smaller bending moment and larger shearing force, so that a thinner flange and a thicker web plate are required; in addition, near the midspan, the H-shaped steel beam is subjected to a large bending moment and a small shearing force, so that a thick flange and a thin web plate are required, and the material waste obviously occurs when the constant-section steel is used as a large-span bending member.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a variable cross section H shaped steel has solved the problem that current uniform cross section shaped steel can cause the waste of material as the longspan flexural member.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the variable cross-section H-shaped steel comprises wing plates and a web plate, wherein the wing plates comprise an upper wing plate and a lower wing plate, the web plate is fixed between the upper wing plate and the lower wing plate, the web plate comprises two connecting plates and a stabilizing plate, and the two connecting plates are respectively fixed to the top and the bottom of the stabilizing plate;
all through welded fastening between web and pterygoid lamina and connecting plate and the steadying plate, the middle part of going up pterygoid lamina and the relative one side of lower pterygoid lamina all is provided with the arch to the arch is wavy extension, one side that the steadying plate was kept away from to the connecting plate is provided with the recess to recess looks adaptation.
Preferably: the two sides of the stabilizing plate are protruded in an arc shape.
Preferably: and short plates are arranged on two sides of the opposite surface of the upper wing plate and the lower wing plate and are welded with the wing plates.
Preferably: the reinforcing blocks are welded at the joints of the web plates and the wing plates and are triangular.
Preferably: the wing plate, the web plate, the short plate and the reinforcing block are made of the same steel materials.
Preferably: the surfaces of the wing plates, the web plates and the short plates are all provided with anticorrosive coatings, and the anticorrosive coatings are formed by spraying alkaline paint.
Advantageous effects
The utility model provides a variable cross section H shaped steel. The method has the following beneficial effects:
(1) this variable cross section H shaped steel, through the bellied setting of wave, it is great to ensure the moment of flexure that receives near this H shaped steel is striden, does not receive the damage to further strengthen this H shaped steel roof beam through the boss setting, ensure its security, solved current when section shaped steel can cause the extravagant problem of material as the large-span member that bends.
(2) This variable cross section H shaped steel, this H shaped steel simple structure is practical to setting through alkali lacquer anticorrosive coating can carry out better anticorrosive protection to steel, avoids steel corrosion, improves this H shaped steel's service life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a wing plate and a web plate of the present invention;
fig. 3 is a side view of the structure of the present invention.
In the figure: 1 wing plate, 2 webs, 3 upper wing plates, 4 lower wing plates, 5 connecting plates, 6 stabilizing plates, 7 protrusions, 8 grooves, 9 short plates, 10 reinforcing blocks and 11 anticorrosive layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a variable cross section H shaped steel, including pterygoid lamina 1 and web 2, pterygoid lamina 1 includes pterygoid lamina 3 and lower pterygoid lamina 4, and web 2 is fixed in between pterygoid lamina 3 and the lower pterygoid lamina 4, web 2 includes two connecting plates 5 and steadying plate 6, steadying plate 6's both sides are the arc form protrusion, and two connecting plates 5 are fixed in steadying plate 6's top and bottom respectively, all through welded fastening between web 2 and pterygoid lamina 1 and connecting plate 5 and the steadying plate 6, the middle part of the relative one side of last pterygoid lamina 3 and lower pterygoid lamina 4 all is provided with arch 7, and arch 7 is the wavy extension, one side that steadying plate 6 was kept away from to connecting plate 5 is provided with recess 8, and 8 looks adaptations of recess.
Further: go up the both sides of pterygoid lamina 3 and the relative one side of lower pterygoid lamina 4 and all be provided with short slab 9 to short slab 9 and pterygoid lamina 1 welding, the junction welding of web 2 and pterygoid lamina 1 has boss 10, and boss 10 is triangle-shaped, and the material of pterygoid lamina 1, web 2, short slab 9 and boss 10 is the same and is steel.
Further: the surfaces of the wing plate 1, the web plate 2 and the short plate 9 are all provided with an anticorrosive coating 11, and the anticorrosive coating 11 is formed by spraying alkaline paint.
During the use, this variable cross section H shaped steel is applicable to the component that uses the axial and crooked atress as the owner, and this variable cross section H shaped steel is through the setting of wave arch 7, and it is great to ensure the moment of flexure that receives near this H shaped steel strides, does not receive the damage to set up through boss 10 and further strengthen this H shaped steel roof beam, ensure its security, and through the setting of alkali lacquer anticorrosive coating 11, can carry out better anticorrosive protection to steel, avoid steel corrosion, improve the service life of this H shaped steel.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a variable cross section H shaped steel, includes pterygoid lamina (1) and web (2), its characterized in that: the wing plate (1) comprises an upper wing plate (3) and a lower wing plate (4), a web plate (2) is fixed between the upper wing plate (3) and the lower wing plate (4), the web plate (2) comprises two connecting plates (5) and a stabilizing plate (6), and the two connecting plates (5) are respectively fixed at the top and the bottom of the stabilizing plate (6);
all through welded fastening between web (2) and pterygoid lamina (1) and connecting plate (5) and steadying plate (6), go up pterygoid lamina (3) and all be provided with arch (7) with the middle part of pterygoid lamina (4) relative one side down to arch (7) are wavy extension, one side that steadying plate (6) were kept away from in connecting plate (5) is provided with recess (8) to recess (8) looks adaptation.
2. The variable cross-section H-shaped steel according to claim 1, wherein: the two sides of the stabilizing plate (6) are protruded in an arc shape.
3. The variable cross-section H-shaped steel according to claim 1, wherein: the two sides of the opposite surface of the upper wing plate (3) and the lower wing plate (4) are respectively provided with a short plate (9), and the short plates (9) are welded with the wing plates (1).
4. The variable cross-section H-shaped steel according to claim 1, wherein: the reinforcing block (10) is welded at the joint of the web plate (2) and the wing plate (1), and the reinforcing block (10) is triangular.
5. The variable cross-section H-shaped steel according to claim 4, wherein: the wing plate (1), the web plate (2), the short plate (9) and the reinforcing block (10) are made of the same steel.
6. The variable cross-section H-shaped steel according to claim 4, wherein: the surfaces of the wing plate (1), the web plate (2) and the short plate (9) are all provided with an anticorrosive coating (11), and the anticorrosive coating (11) is formed by spraying alkaline paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022505314.0U CN214034390U (en) | 2020-11-03 | 2020-11-03 | Variable cross-section H-shaped steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022505314.0U CN214034390U (en) | 2020-11-03 | 2020-11-03 | Variable cross-section H-shaped steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214034390U true CN214034390U (en) | 2021-08-24 |
Family
ID=77357588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022505314.0U Expired - Fee Related CN214034390U (en) | 2020-11-03 | 2020-11-03 | Variable cross-section H-shaped steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214034390U (en) |
-
2020
- 2020-11-03 CN CN202022505314.0U patent/CN214034390U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |