CN211172696U - Corrugated angle steel - Google Patents
Corrugated angle steel Download PDFInfo
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- CN211172696U CN211172696U CN201921388005.0U CN201921388005U CN211172696U CN 211172696 U CN211172696 U CN 211172696U CN 201921388005 U CN201921388005 U CN 201921388005U CN 211172696 U CN211172696 U CN 211172696U
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Abstract
The utility model provides a ripple angle steel, this ripple angle steel includes: the first steel plate limb is distributed with at least one first corrugated part along the width direction; the second steel plate limb is distributed with at least one second corrugated part along the width direction; and the side edge of the first steel plate limb in the length direction is fixedly connected with the side edge of the second steel plate limb in the length direction. Through the utility model discloses, the relatively poor technical problem of atress performance of the atress component among the assembled steel construction building system that prior art exists has been alleviated.
Description
Technical Field
The utility model relates to a building element's technical field especially relates to a ripple angle steel.
Background
The building produced by making the room units or components to the specifications of the building components of a uniform standard and then transporting the room units or components to the construction site and assembling them in place is called a fabricated steel structural building system. The assembled steel structure building system has the characteristics of light building weight, energy conservation, environmental protection, high construction speed, high industrialization degree and the like, and can improve the labor productivity of building construction and the quality of building products.
The stressed member in the assembly type steel structure building system is an important component in the assembly type steel structure building system, and has great influence on the construction speed, the assembly type degree and the safety performance of the structure.
At present, steel structural section steels are generally adopted as stressed members in an assembly type steel structural building system, and mainly comprise hot-rolled I-shaped steels, hot-rolled H-shaped steels, welded H-shaped steels, hot-rolled square steel pipes, welded box beams and channel steels. However, in practice, the technical problem of poor stress performance exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ripple angle steel to alleviate the relatively poor technical problem of atress performance of the atress component among the assembled steel construction building system that prior art exists.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a ripple angle steel, include: the first steel plate limb is distributed with at least one first corrugated part along the width direction; the second steel plate limb is distributed with at least one second corrugated part along the width direction; and the side edge of the first steel plate limb in the length direction is fixedly connected with the side edge of the second steel plate limb in the length direction.
In a preferred embodiment, the number of the first corrugated parts in the first steel plate limb is multiple, and the first corrugated parts are sequentially connected end to end; the number of the second corrugated parts of the second steel plate limb is multiple, and the second corrugated parts are sequentially connected end to end.
In a preferred embodiment, a cross section of the first corrugated portion perpendicular to the length direction of the first steel plate limb includes a top side, a first straight side, a bottom side and a second straight side which are connected end to end in sequence, and/or a cross section of the second corrugated portion perpendicular to the length direction of the second steel plate limb includes a top side, a first straight side, a bottom side and a second straight side which are connected end to end in sequence.
In a preferred embodiment, the top edge and the bottom edge are parallel to each other.
In a preferred embodiment, the first straight edge and the second straight edge are both perpendicular to the base edge.
In a preferred embodiment, the angle between the first straight edge and the bottom edge and the angle between the second straight edge and the bottom edge are both obtuse angles.
In a preferred embodiment, the included angle between the first straight edge and the bottom edge and the included angle between the second straight edge and the bottom edge are both acute angles.
In a preferred embodiment, the junction of the top edge and the first straight edge, the junction of the first straight edge and the bottom edge, and the junction of the bottom edge and the second straight edge all adopt circular arc transition; and the joint of two adjacent first corrugated parts adopts circular arc transition, and/or the joint of two adjacent second corrugated parts adopts circular arc transition.
In a preferred embodiment, the shape of the first corrugation is a periodic sine wave and/or the shape of the second corrugation is a periodic sine wave.
In a preferred embodiment, the first steel plate limb and the second steel plate limb are connected by welding.
The utility model discloses a characteristics and advantage are: through first corrugated portion, make first steel sheet limb form unsmooth undulation's shape in its thickness direction, when bearing its length direction's effort, make the distribution of this effort on the working face of perpendicular to its self length direction more disperse, reduced stress concentration, be favorable to improving the out-of-plane stability ability. Through the second corrugated part, the second steel plate limb forms a concave-convex shape in the thickness direction, and when bearing the acting force in the length direction, the distribution of the acting force on the acting surface vertical to the length direction of the second steel plate limb is more dispersed, so that the stress concentration is reduced, and the stability outside the plane is favorably improved. First steel sheet limb links together with the second steel sheet limb, makes the utility model provides a corrugated angle steel has better resistance to compression bearing capacity and anti off-plate deformability, has improved anti bucking bearing capacity and fatigue strength to mechanical properties has been improved.
Use the utility model provides a when the assembled steel structure building system is built to corrugated angle steel, first corrugated portion or second corrugated portion can form the interlock structure with the component of concatenation mutually, and at the common atress of concatenation position, be favorable to improving the holistic atress performance of assembled steel structure building system and structural stability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a corrugated angle steel provided by the present invention;
fig. 2 is an exploded schematic view of the corrugated angle iron provided by the present invention;
fig. 3a is a schematic connection diagram of a first embodiment of a first steel plate limb and a second steel plate limb in the corrugated angle steel provided by the present invention;
fig. 3b is a schematic connection diagram of a second embodiment of the first steel plate limb and the second steel plate limb in the corrugated angle steel provided by the present invention;
fig. 4 is a schematic view of a first embodiment of a first corrugated portion or a second corrugated portion in the corrugated angle steel provided by the present invention;
fig. 5 is a schematic view of a second embodiment of a first corrugated portion or a second corrugated portion in the corrugated angle steel provided by the present invention;
fig. 6 is a schematic view of a third embodiment of a first corrugated portion or a second corrugated portion in a corrugated angle steel provided by the present invention;
fig. 7 is a schematic view of a fourth embodiment of the first corrugated portion or the second corrugated portion in the corrugated angle steel provided by the present invention;
fig. 8 is a schematic view of a fifth embodiment of the first corrugated portion or the second corrugated portion in the corrugated angle steel provided by the present invention;
fig. 9 is a schematic view of a sixth embodiment of a first corrugated portion or a second corrugated portion in a corrugated angle steel provided by the present invention;
fig. 10 is a schematic view of a seventh embodiment of a first corrugated portion or a second corrugated portion in a corrugated angle steel according to the present invention.
The reference numbers illustrate:
10. a first steel plate limb; 11. a first corrugated portion; 12. a first direction; 20. a second steel plate limb; 21. a second corrugated portion; 22. a second direction; 31. a first straight side; 32. a second straight side; 33. a top edge; 34. a bottom edge; 35. a first groove; 40. a second groove.
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.
As shown in fig. 1 and 2, the utility model provides a corrugated angle steel, include: the steel plate comprises a first steel plate limb 10 and a second steel plate limb 20, wherein one longitudinal side edge of the first steel plate limb 10 is fixedly connected with one longitudinal side edge of the second steel plate limb 20. Referring to fig. 2, 3a and 3b, at least one first corrugated portion 11 is distributed along the width direction of the first steel plate limb 10, and the first steel plate limb 10 is formed into a concave-convex shape in the thickness direction thereof by the first corrugated portion 11, so that when bearing the acting force in the length direction thereof, the distribution of the acting force on the acting surface perpendicular to the length direction thereof is more dispersed, the stress concentration is reduced, and the improvement of the out-of-plane stability is facilitated. The second steel plate limb 20 is distributed with at least one second corrugated part 21 along the width direction, and the second steel plate limb 20 is enabled to form a concave-convex shape in the thickness direction through the second corrugated part 21, so that the distribution of the acting force on the acting surface vertical to the length direction of the second steel plate limb is more dispersed when the acting force in the length direction is borne, the stress concentration is reduced, and the stability outside the plane is favorably improved. First steel sheet limb 10 links together with second steel sheet limb 20, makes the utility model provides a corrugated angle steel has better resistance to compression bearing capacity and anti off-plate deformability, has improved anti bucking bearing capacity and fatigue strength, has improved mechanical properties.
Use the utility model provides a when the assembled steel structure building system is built to corrugated angle steel, first corrugated portion 11 or second corrugated portion 21 can form the interlock structure with the component of concatenation mutually, and at the common atress of concatenation position, be favorable to improving the holistic atress performance of assembled steel structure building system and structural stability.
Specifically, the number of the first corrugations 11 in the first steel plate limb 10 may be one or more; when the number of the first corrugations 11 in the first steel plate limb 10 is plural, the shapes and sizes of the respective first corrugations 11 may be the same or different.
The number of the second corrugations 21 in the second steel plate limb 20 may be one or more; when the number of the second corrugations 21 in the second steel plate limb 20 is plural, the shapes and sizes of the respective second corrugations 21 may be the same or different.
The number of the first corrugations 11 and the number of the second corrugations 21 may be equal or may not be equal; in one of the utility model provides a corrugated angle steel, first corrugated portion 11 compares with second corrugated portion 21, and shape and size can be the same, also can not be the same.
As shown in FIG. 2, the first steel plate limb 10 has a width dimension L1A width-wise dimension L corresponding to the second steel plate limb 202In one embodiment of the present invention, L1＝L2When subjected to a lengthwise force, the force is more evenly distributed to the first and second steel plate limbs 10, 20.
As shown in FIG. 2, the first steel plate limb 10 has a longitudinal dimension L3A length L corresponding to the length of the second steel plate limb 204May or may not be equal L is preferred3＝L4And both ends of the first steel plate limb 10 are flush with both ends of the second steel plate limb 20, respectively.
When the corrugated angle steel is manufactured, the first steel plate limb 10 and the second steel plate limb 20 can be manufactured and molded respectively, and then the first steel plate limb and the second steel plate limb are connected together in a welding mode, so that the difficulty of processing and manufacturing is reduced.
In order to make the force distribution in each position in the first steel plate limb 10 more uniform, the first steel plate limb 10 comprises a plurality of first corrugations 11 which are all the same in shape and size, as shown in fig. 3a and 3b, and each first corrugation 11 is connected end to end in sequence. In order to make the force distribution in the second steel plate limb 20 more uniform in all positions, the second steel plate limb 20 comprises a plurality of second corrugations 21 of the same shape and size, as shown in fig. 3a and 3b, each second corrugation 21 being connected end to end in sequence.
The width direction of the first steel plate limb 10 is taken as the first direction 12 and the individual first corrugations 11 are distributed along the first direction 12, the width direction of the second steel plate limb 20 is taken as the second direction 22 and the individual second corrugations 21 are distributed along the second direction 22, the angle between the first direction 12 and the second direction 22 is taken as β, and 0 ° < β <180 °, preferably β is 90 °.
The inventor finds that: the first corrugated parts 11 with different shapes can lead the distribution of the acting force on the first steel plate limb 10 to present different characteristics; the differently shaped second corrugations 21 provide a different distribution of forces on the second steel plate limb 20. Therefore, in order to further improve the stress characteristic of the corrugated angle steel provided by the present invention, the following improvements are made to the shapes of the first corrugated portion 11 and the second corrugated portion 21:
in an embodiment of the present invention, as shown in fig. 4 to 9, the first corrugated portion 11 includes a top side 33, a first straight side 31, a bottom side 34, and a second straight side 32 connected end to end in sequence, the first straight side 31 and the second straight side 32 are both located on the same side of the bottom side 34, and on this side, the first straight side 31, the bottom side 34, and the second straight side 32 surround to form a first groove 35 with an opening; the top edge 33 and the bottom edge 34 are located on either side of the first straight edge 31. When a plurality of first corrugations 11 are connected end to end, the second straight edge 32 of a preceding first corrugation 11 of two adjacent first corrugations 11 is connected to the top edge 33 of a succeeding first corrugation 11.
And/or the second corrugated portion 21 comprises a top edge 33, a first straight edge 31, a bottom edge 34 and a second straight edge 32 which are connected end to end in sequence, wherein the first straight edge 31 and the second straight edge 32 are both positioned on the same side of the bottom edge 34, and on the side, the first straight edge 31, the bottom edge 34 and the second straight edge 32 surround to form a first groove 35 with an opening; the top edge 33 and the bottom edge 34 are located on either side of the first straight edge 31. When a plurality of second corrugations 21 are connected end to end, the second straight edge 32 of a preceding second corrugation 21 is connected to the top edge 33 of a succeeding second corrugation 21 in two adjacent second corrugations 21.
Preferably, the first steel plate limb 10 comprises at least 3 first corrugations 11 and the second steel plate limb 20 comprises at least 3 second corrugations 21.
Further, top edge 33 and bottom edge 34 are parallel to each other. In the first steel panel limb 10, the top edge 33 and the bottom edge 34 are both parallel to the first direction 12; in the second steel panel limb 20, the top edge 33 and the bottom edge 34 are both parallel to the second direction 22.
As shown in fig. 3a and 3b, the present invention provides a corrugated angle iron, in which a first steel plate limb 10 and a second steel plate limb 20 surround to form a second groove 40. Preferably, as shown in fig. 3a, the opening of the first groove 35 in the first steel plate limb 10 adjacent to the second steel plate limb 20 faces away from the second groove 40, and the opening of the first groove 35 in the second steel plate limb 20 adjacent to the first steel plate limb 10 also faces away from the second groove 40; alternatively, as shown in fig. 3b, the first indentation 35 in the first steel plate limb 10 adjacent to the second steel plate limb 20 opens into the second indentation 40, and the first indentation 35 in the second steel plate limb 20 adjacent to the first steel plate limb 10 also opens into the second indentation 40. Further, the first steel plate limb 10 is symmetrical to the second steel plate limb 20.
In some embodiments, as shown in fig. 4, α is 90 °, γ is 90 °, and each of the first straight side 31 and the second straight side 32 is perpendicular to the bottom side 34, such that the first groove 35 is rectangular in shape.
In some embodiments, as shown in fig. 5, the included angle α between the first straight side 31 and the bottom side 34 and the included angle γ between the second straight side 32 and the bottom side 34 are obtuse angles, so that the shape of the first groove 35 is an inverted trapezoid, and the width of the first groove 35 gradually increases along the direction from the bottom side 34 to the top side 33.
In some embodiments, as shown in fig. 6, the included angle α between the first straight side 31 and the bottom side 34 and the included angle γ between the second straight side 32 and the bottom side 34 are acute angles, such that the first groove 35 has a trapezoidal shape, and the width of the first groove 35 gradually decreases along the direction from the bottom side 34 to the top side 33, further, 10 ° < α <90 °, 10 ° < γ <9 °.
In order to further improve the stress performance of the corrugated angle steel provided by the present invention, as shown in fig. 7-9, the joint of the top edge 33 and the first straight edge 31, the joint of the first straight edge 31 and the bottom edge 34, and the joint of the bottom edge 34 and the second straight edge 32 all adopt circular arc transition; the joint of two adjacent first corrugated parts 11 adopts circular arc transition, and/or the joint of two adjacent second corrugated parts 21 adopts circular arc transition, so as to reduce stress concentration at the joint and improve the strength and bearing capacity of the integral structure of the corrugated angle steel. The radius of the arc transition is marked as R; in some embodiments, the radii of the arc transitions at each junction are all equal in the first steel plate limb 10; in the second steel plate limb 20, the radii of the circular arc transitions at the respective junctions are all equal.
In one embodiment of the present invention, as shown in fig. 10, the first corrugation 11 is shaped as a periodic sine wave and/or the second corrugation 21 is shaped as a periodic sine wave, the first steel plate limb 10 has a plurality of first corrugations 11 connected end to end along a first direction 12 to form a continuous sine wave, and the second steel plate limb 20 has a plurality of second corrugations 21 connected end to end along a second direction 22 to form a continuous sine wave, preferably, an included angle β between the first direction 12 and the second direction 22 is 90 °.
The above description is only for the embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.
Claims (10)
1. A corrugated angle iron, comprising:
the first steel plate limb is distributed with at least one first corrugated part along the width direction;
the second steel plate limb is distributed with at least one second corrugated part along the width direction;
and the side edge of the first steel plate limb in the length direction is fixedly connected with the side edge of the second steel plate limb in the length direction.
2. The angle iron of claim 1, wherein the first steel plate limb comprises a plurality of first corrugations which are sequentially connected end to end;
the number of the second corrugated parts in the second steel plate limb is multiple, and the second corrugated parts are sequentially connected end to end.
3. The angle iron of claim 1, wherein a cross section of the first corrugation perpendicular to the length direction of the first steel plate limb comprises a top edge, a first straight edge, a bottom edge and a second straight edge which are connected end to end in sequence,
and/or the section of the second corrugated part, which is perpendicular to the length direction of the second steel plate limb, comprises a top edge, a first straight edge, a bottom edge and a second straight edge which are sequentially connected end to end.
4. The angle iron of claim 3, wherein the top edge and the bottom edge are parallel to each other.
5. The angle iron of claim 4, wherein the first and second straight edges are each perpendicular to the base edge.
6. The angle iron of claim 4, wherein the angle between the first straight edge and the bottom edge and the angle between the second straight edge and the bottom edge are obtuse angles.
7. The angle iron of claim 4, wherein the angle between the first straight edge and the bottom edge and the angle between the second straight edge and the bottom edge are both acute angles.
8. The angle iron according to any one of claims 3 to 7, wherein the junction of the top edge and the first straight edge, the junction of the first straight edge and the bottom edge, and the junction of the bottom edge and the second straight edge are all in circular arc transition;
and the joint of two adjacent first corrugated parts adopts circular arc transition, and/or the joint of two adjacent second corrugated parts adopts circular arc transition.
9. The angle iron of claim 1 or 2, wherein the first corrugation is shaped as a periodic sine wave and/or the second corrugation is shaped as a periodic sine wave.
10. The angle iron of claim 1, wherein the first plate limb is welded to the second plate limb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388005.0U CN211172696U (en) | 2019-08-26 | 2019-08-26 | Corrugated angle steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388005.0U CN211172696U (en) | 2019-08-26 | 2019-08-26 | Corrugated angle steel |
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| CN211172696U true CN211172696U (en) | 2020-08-04 |
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| CN201921388005.0U Active CN211172696U (en) | 2019-08-26 | 2019-08-26 | Corrugated angle steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431348A (en) * | 2019-08-26 | 2021-03-02 | 北京京诚华宇建筑设计研究院有限公司 | Corrugated angle steel |
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2019
- 2019-08-26 CN CN201921388005.0U patent/CN211172696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431348A (en) * | 2019-08-26 | 2021-03-02 | 北京京诚华宇建筑设计研究院有限公司 | Corrugated angle steel |
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