CN211037282U - Concave leg I-shaped steel - Google Patents
Concave leg I-shaped steel Download PDFInfo
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- CN211037282U CN211037282U CN201921656715.7U CN201921656715U CN211037282U CN 211037282 U CN211037282 U CN 211037282U CN 201921656715 U CN201921656715 U CN 201921656715U CN 211037282 U CN211037282 U CN 211037282U
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Abstract
The concave-leg I-steel comprises an I-steel waist and leg parts positioned at two ends of the waist, and is characterized in that the leg parts at two ends of the I-steel waist are provided with concave surfaces; or the leg part at one end is a concave surface, and the leg part at the other end is a plane or a convex surface; or one end of the leg part is a plane, and the other end of the leg part is a convex surface. The concave surface and the leg end are provided with platforms, and the leg end is provided with a chamfer angle; the waist height ratio of the width of the I-shaped steel leg to the waist is 0.08-0.42. The utility model provides a concave leg I-steel compares with current I-steel, and its beneficial effect lies in: metal is saved; the welding is convenient; the coating liquid can enter the welded leg joint surface to prevent the site from rusting, and particularly the acid liquid can flow out of the site after pickling to prevent accelerated rusting. The coating is suitable for occasions with high requirements on corrosion resistance, economy and safety, such as subways, high-speed rails, pipe galleries, building curtain walls, building templates, metal structures and the like.
Description
Technical Field
The utility model relates to a metallurgical industry steel rolling field, a concave leg I-steel.
Background
In the industrial and civil building field, I-steel of various specifications and models is widely used, although the I-steel can meet the use requirements of most working conditions, the I-steel has large leg width-to-waist height ratio, wastes metal, has no chamfer at the leg end and is inconvenient to weld, particularly when the leg of the I-steel is welded on other components for surface treatment operations such as pickling, galvanizing and the like, acid liquor residues are left in the gap between the joint surface of the leg and the other components, and anti-corrosion liquid such as zinc liquor can not enter the gap, so that the joint surface of the top of the leg is seriously rusted, and the service life of the whole structure is greatly shortened. The corrosion phenomenon generally exists in I-shaped products and other I-shaped steel structures used in the fields of high-speed rails, subways, nuclear power stations, glass curtain walls, underground pipe galleries and the like, potential safety hazards exist, and therefore the cross section needs to be improved to meet the requirements of the working conditions.
Disclosure of Invention
The utility model aims at providing a concave leg I-steel has changed the wide and waist height ratio of leg to improve the shape of leg top, tip, can overcome prior art's defect, practice thrift the metal, the welding of being convenient for, scribble that plating solution can get into the shank composition surface after the welding and rust in order to prevent this department, especially pickling back sour liquid can flow this department and prevent to rust with higher speed.
In order to achieve the above object, the present invention provides a method for manufacturing a semiconductor device.
1. The concave-leg I-steel comprises an I-steel waist and leg parts positioned at two ends of the waist, and is characterized in that the leg parts at two ends of the I-steel waist are provided with concave surfaces; the concave surface and the leg end are provided with platforms, and the leg end is provided with a chamfer angle; the ratio of the width to the waist height of the I-steel legs is 0.08-0.42.
The concave surface is an arc concave surface, a triangular or square groove concave surface; the widths of the two end leg parts are the same or different.
2. The concave-leg I-steel comprises an I-steel waist and leg parts positioned at two ends of the waist, and is characterized in that the leg parts at two ends of the I-steel waist are provided with concave surfaces at the leg parts at one end and are flat at the other end; the concave surface and the leg end of the leg part are provided with platforms, and the leg end is provided with a chamfer angle; the leg part is planar, and the leg end is provided with a fillet; the waist height ratio of the width of the I-shaped steel leg to the waist is 0.08-0.42.
The concave surface is an arc concave surface, a triangular or square groove concave surface; the widths of the two end leg parts are the same or different.
3. The concave-leg I-steel comprises an I-steel waist and leg parts positioned at two ends of the waist, and is characterized in that the leg parts at two ends of the I-steel waist are provided with concave surfaces at one end and convex surfaces at the other end; the concave surface and the leg end of the leg part are provided with platforms, and the leg end is provided with a chamfer angle; the leg part is convex, and the leg end is provided with a fillet; the waist height ratio of the width of the I-shaped steel leg to the waist is 0.08-0.42.
The concave surface is an arc concave surface, a triangular or square groove concave surface; the widths of the two end leg parts are the same or different.
4. The concave-leg I-steel comprises an I-steel waist and leg parts positioned at two ends of the waist, and is characterized in that the leg parts at two ends of the I-steel waist are both planes; or the leg part at one end of the I-shaped steel waist part is a plane, and the leg part at the other end of the I-shaped steel waist part is a convex surface; the leg end is provided with a round angle; the waist height ratio of the width of the I-shaped steel leg to the waist is 0.08-0.42.
The utility model provides a concave leg I-steel compares with current I-steel, and its beneficial effect lies in: metal is saved; the welding is convenient; the coating liquid can enter the welded leg joint surface to prevent the site from rusting, and particularly the acid liquid can flow out of the site after pickling to prevent accelerated rusting. The coating is suitable for occasions with high requirements on corrosion resistance, economy and safety, such as subways, high-speed rails, pipe galleries, building curtain walls, building templates, metal structures and the like.
Drawings
FIG. 1 is a schematic cross-sectional view of a female leg I-beam having two legs of the same width, a top portion of the female leg I-beam being a concave arc surface, the concave surface having a platform with a leg end; the leg end is provided with a chamfer; the leg width to waist height ratio was 0.225.
FIG. 2 is a second schematic cross-sectional view of a female leg joist having two legs of different widths, a top with a square groove, a concave surface, and a platform at the leg end; the leg end is provided with a chamfer; the narrow leg width to waist height ratio was 0.218.
FIG. 3 is a third schematic cross-sectional view of a concave leg I-beam, wherein two legs of the concave leg I-beam are the same in width, the top of one leg is a circular arc concave surface, a platform is arranged at the concave surface and the leg end, and a chamfer is arranged at the leg end; the top of the other leg is a plane, and the leg end is provided with a round angle; the leg width to waist height ratio was 0.208.
FIG. 4 is a fourth schematic cross-sectional view of a female leg joist having two legs of different widths, a top of one leg having a square channel, a platform at the concave surface and the leg end, and a fillet at the leg end; the top of the other leg is a plane, and the leg end is provided with a round angle; the narrow leg width to waist height ratio was 0.155.
FIG. 5 is a fifth schematic cross-sectional view of a female leg I-beam having two legs of different widths, a top of one leg being a circular arc-shaped concave surface, the concave surface having a platform at a leg end and a chamfer at a leg end; the top of the other leg is convex, no platform is arranged, and the leg end is provided with a round angle; the narrow leg width to waist height ratio was 0.165.
FIG. 6 is a sixth schematic cross-sectional view of a female leg joist having two legs of the same width, a triangular concave top surface on one leg, a platform on the concave surface and the leg end, and a chamfer on the leg end; the top of the other leg is a plane, and the leg end is provided with a round angle; the leg width to waist height ratio was 0.215.
FIG. 7 is a seventh schematic cross-sectional view of a female leg joist having two legs of different widths, a top portion of each leg being a concave arc, the concave surfaces having a platform at the leg ends and rounded corners at the leg ends; the narrow leg width to waist height ratio was 0.185.
FIG. 8 is an eighth schematic cross-sectional view of a female leg joist having two legs of the same width, flat tops, and rounded leg ends; the leg width to waist height ratio was 0.225.
FIG. 9 is a ninth cross-sectional view of a female leg joist having two legs of different widths, a flat top leg and rounded leg ends; the top of the other leg is convex, and the leg end is provided with a round angle; narrow leg width to waist height ratio 0.1955.
Detailed Description
The technical contents of the present invention will be described in further detail by way of embodiments with reference to the accompanying drawings.
Example 1
As shown in FIG. 1, the concave leg I-steel has the same width as that of a leg 1 and a leg 2, the tops of the legs are both arc concave surfaces 5, a platform 6 is arranged at the concave surface and the leg end, and the leg end is provided with a chamfer 4; the ratio of leg 1 and 2 width to waist 3 height is 0.225.
Example 2
As shown in FIG. 2, the concave leg I-steel is characterized in that a leg 1 is wider than a leg 2, the top of the leg is a square groove concave surface 5, a platform 6 is arranged at the concave surface and the leg end, and a chamfer 4 is arranged at the leg end; the ratio of the width of the leg 2 to the height of the waist 3 is 0.218.
Example 3
As shown in FIG. 3, the concave leg I-steel has the same width as that of a leg 1 and a leg 2, the top of the leg 1 is a circular arc concave surface 5, a platform 6 is arranged at the concave surface and the leg end, and a chamfer 4 is arranged at the leg end; the top of the leg 2 is a plane 7, and the leg end is provided with a round angle 8; the ratio of leg 1 and 2 width to waist 3 height is 0.208.
Example 4
As shown in FIG. 4, the concave leg I-steel is characterized in that a leg 1 is wider than a leg 2, the top of the leg 1 is a square groove concave surface 5, a platform 6 is arranged at the concave surface and the leg end, and a round angle 4 is arranged at the leg end; the top of the leg 2 is a plane 7, and the leg end is provided with a round angle 8; the ratio of the width of the legs 2 to the height of the waist 3 is 0.155.
Example 5
As shown in fig. 5, the concave leg i-steel is characterized in that a leg 1 is wider than a leg 2, the top of the leg 1 is an arc concave surface 5, a platform 6 is arranged at the concave surface and the leg end, and a chamfer 4 is arranged at the leg end; the top of the leg 2 is a convex surface 7 without a platform, and the leg end is provided with a round angle 8; the ratio of the width of the leg 2 to the height of the waist 3 is 0.165.
Example 6
As shown in FIG. 6, the concave leg I-steel has the same width as the legs 1 and 2, the top of the leg 1 is a triangular concave surface 5, a platform 6 is arranged at the concave surface and the leg end, and a chamfer 4 is arranged at the leg end; the top of the leg 2 is a plane 7, and the leg end is provided with a round angle 8; the ratio of leg 1 and 2 width to waist 3 height is 0.215.
Example 7
As shown in fig. 7, the concave leg i-steel is characterized in that a leg 1 is wider than a leg 2, the tops of the legs 1 and 2 are arc concave surfaces 5, a platform 6 is arranged at the concave surface and the leg end, and a fillet 4 is arranged at the leg end; the ratio of the width of the legs 2 to the height of the waist 3 is 0.185.
Example 8
As shown in fig. 8, the concave leg i-steel has the same width as the legs 1 and 2, the top parts are both flat surfaces 5, and the leg ends are provided with round corners 4; the ratio of leg width to waist 3 height is 0.225.
Example 9
As shown in fig. 9, a concave leg i-steel, the leg 1 is wider than the leg 2, the top of the leg 1 is a plane 7, and the leg end has a round angle 4; the top of the leg 2 is a convex surface 5; the ratio of the width of the legs 2 to the height of the waist 3 is 0.225.
The utility model discloses still have many embodiments, not to list one by one, a concave leg I-steel, including I-steel waist and the shank that is located the waist both ends, characterized in that, the both ends shank of I-steel waist all be equipped with the concave surface; or the leg part at one end is a concave surface, and the leg part at the other end is a plane or a convex surface; or one end of the leg part is a plane, and the other end of the leg part is a convex surface. The concave surface and the leg end are provided with platforms, and the leg end is provided with a chamfer angle; the waist height ratio of the width of the I-shaped steel leg to the waist is 0.08-0.42. The utility model provides a concave leg I-steel compares with current I-steel, and its beneficial effect lies in: metal is saved; the welding is convenient; the coating liquid can enter the welded leg joint surface to prevent the site from rusting, and particularly the acid liquid can flow out of the site after pickling to prevent accelerated rusting. The coating is suitable for occasions with high requirements on corrosion resistance, economy and safety, such as subways, high-speed rails, pipe galleries, building curtain walls, building templates, metal structures and the like.
In a word, the utility model provides a concave leg I-steel, its technical characterized in that: the top of the I-shaped steel leg is an arc concave surface or a triangular or square groove concave surface, and the depth of the concave bottom is greater than 0mm and less than the thickness of the leg; a platform is arranged between the two ends of each leg and the concave surface, and the width of the platform is more than 0mm and less than half of the width of each leg; the leg end is provided with a chamfer; the leg width to waist height ratio may range from 0.08 to 0.42.
The top of the concave leg I-steel leg can be a plane or a convex surface, and the leg end of the concave leg I-steel leg is provided with a round angle. The widths of the two legs of the concave leg I-shaped steel are different.
All the combinations of the shapes of the legs at the two ends are within the protection scope of the utility model.
Claims (10)
1. The concave-leg I-steel comprises an I-steel waist and leg parts positioned at two ends of the waist, and is characterized in that the leg parts at two ends of the I-steel waist are provided with concave surfaces; the concave surface and the leg end are provided with platforms, and the leg end is provided with a chamfer angle; the waist height ratio of the width of the I-shaped steel leg to the waist is 0.08-0.42.
2. The concave-leg I-steel according to claim 1, wherein the concave surface is a circular arc concave surface, a triangular concave surface or a square groove concave surface.
3. The hollow leg i-section of claim 1 wherein said end legs are of the same or different widths.
4. The concave-leg I-steel comprises an I-steel waist and leg parts positioned at two ends of the waist, and is characterized in that the leg parts at two ends of the I-steel waist are provided with concave surfaces at the leg parts at one end and are flat at the other end; the concave surface and the leg end of the leg part are provided with platforms, and the leg end is provided with a chamfer angle; the leg part is planar, and the leg end is provided with a fillet; the waist height ratio of the width of the I-shaped steel leg to the waist is 0.08-0.42.
5. The concave-leg I-steel according to claim 4, wherein the concave surface is a circular arc concave surface, a triangular concave surface or a square groove concave surface.
6. The recessed leg I-steel of claim 4, wherein the width of the two end leg portions is the same or different.
7. The concave-leg I-steel comprises an I-steel waist and leg parts positioned at two ends of the waist, and is characterized in that the leg parts at two ends of the I-steel waist are provided with concave surfaces at one end and convex surfaces at the other end; the concave surface and the leg end of the leg part are provided with platforms, and the leg end is provided with a chamfer angle; the leg part is convex, and the leg end is provided with a fillet; the waist height ratio of the width of the I-shaped steel leg to the waist is 0.08-0.42.
8. The concave-leg I-steel according to claim 7, wherein the concave surface is a circular arc concave surface, a triangular concave surface or a square groove concave surface.
9. The hollow leg i-section of claim 7 wherein said end legs are of the same or different widths.
10. The concave-leg I-steel comprises an I-steel waist and leg parts positioned at two ends of the waist, and is characterized in that the leg parts at two ends of the I-steel waist are both planes; or the leg part at one end of the I-shaped steel waist part is a plane, and the leg part at the other end of the I-shaped steel waist part is a convex surface; the leg end is provided with a round angle; the waist height ratio of the width of the I-shaped steel leg to the waist is 0.08-0.42.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656715.7U CN211037282U (en) | 2019-09-30 | 2019-09-30 | Concave leg I-shaped steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656715.7U CN211037282U (en) | 2019-09-30 | 2019-09-30 | Concave leg I-shaped steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211037282U true CN211037282U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921656715.7U Active CN211037282U (en) | 2019-09-30 | 2019-09-30 | Concave leg I-shaped steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211037282U (en) |
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2019
- 2019-09-30 CN CN201921656715.7U patent/CN211037282U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210427 Address after: 114000 Fu'an village, Tengao Town, Haicheng City, Anshan City, Liaoning Province Patentee after: Anshan Yuanxin iron and Steel Co.,Ltd. Address before: 114000 Building 5, mingshishu garden, high tech Zone, Anshan City, Liaoning Province Patentee before: Luo Guangzheng |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220617 Address after: 111212 Henan Industrial Zone, Liuerbao Town, Liaoyang County, Liaoyang City, Liaoning Province Patentee after: Liaoning Zhongche railway transportation equipment Co.,Ltd. Address before: 114000 Fu'an village, Tengao Town, Haicheng City, Anshan City, Liaoning Province Patentee before: Anshan Yuanxin iron and Steel Co.,Ltd. |
|
| TR01 | Transfer of patent right |