CN110593484A - H-shaped steel and reinforcing plate thereof - Google Patents
H-shaped steel and reinforcing plate thereof Download PDFInfo
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- CN110593484A CN110593484A CN201910580041.5A CN201910580041A CN110593484A CN 110593484 A CN110593484 A CN 110593484A CN 201910580041 A CN201910580041 A CN 201910580041A CN 110593484 A CN110593484 A CN 110593484A
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- plate
- shaped steel
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- reinforcing plate
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S3/00—Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S5/00—Other constructional members not restricted to an application fully provided for in a single class
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention relates to H-shaped steel and a reinforcing plate thereof, wherein the H-shaped steel reinforcing plate comprises two horizontal welding edges and a vertical welding edge, the two horizontal welding edges are respectively used for welding with an upper flange plate and a lower flange plate of the H-shaped steel, and the vertical welding edge is used for welding with a web plate of the H-shaped steel; avoidance gaps are arranged between two horizontal welding edges and a vertical welding edge of the H-shaped steel reinforcing plate, the avoidance gaps are arc gaps which are concave towards the H-shaped steel reinforcing plate, the arc gaps are used for avoiding the intersection of welding seams between the H-shaped steel reinforcing plate and a web plate and between the H-shaped steel reinforcing plate and a corresponding flange plate, and the arc gaps can better digest the residual thermal stress after the H-shaped steel is welded through deformation, so that the welding stress of the H-shaped steel reinforcing plate, the flange plate and the web plate is more uniformly dispersed; the H-shaped steel reinforcing plate with the arc-shaped notch can provide a larger welding space for the welding gun, and welding of the H-shaped steel reinforcing plate, the flange plate and the web plate is facilitated.
Description
Technical Field
The invention relates to H-shaped steel and a reinforcing plate thereof.
Background
The H-shaped steel is an economical section profile and is widely applied to steel structure constructional engineering, GIS support and mechanical equipment. As shown in fig. 1, the H-beam is composed of a web 1 and two flange plates 2, when the H-beam needs to bear a large weight, the H-beam is not supported by the strength of the web 1 alone, as shown in fig. 2 to 4, the method of welding the reinforcing plate 3 between the two flange plates 2 in the prior art is usually adopted to increase the supporting capability of the H-beam, so as to avoid the two flange plates 2 from collapsing and deforming under pressure, specifically, the position shown by the thick solid line in fig. 4 is a welding position, as shown in fig. 5, the reinforcing plate 3 welded between the two flange plates 2 is a rectangular plate, three welding sides 31 of the rectangular plate are respectively in complete welding contact with the two flange plates 2 and the web 1, wherein the welding sides 31 welded with the two flange plates 2 are horizontal welding sides, the welding sides 31 welded with the web 1 are vertical welding sides, and a serious weld stress concentration phenomenon exists at the intersection of the reinforcing plate 3, the flange plates 2 and the web 1, the welding seam cracking condition is easy to occur in the using process, the mechanical property of the H-shaped steel is seriously influenced, and even safety accidents are caused.
Set up the scarf between two horizontal welding limits of reinforcing plate and vertical welding limit among the prior art, the scarf forms dodges the breach of dodging of flange board and web intersection, avoids reinforcing plate and flange board and web three to cross to solve above-mentioned reinforcing plate and flange board and web three and cross and cause the problem that welding stress concentrates. In the using process, the problem of large stress concentration at the chamfered edge is still found, and the mechanical property of the H-shaped steel is influenced; in addition, for the intensity of guaranteeing H shaped steel, often need be less with the bevel connection size setting to guarantee the stable welding between two horizontal welding limits and two flange boards, vertical welding limit and the web, this just causes the space that supplies the welder operation that bevel connection and flange board and web enclose to be less, the welding side near the bevel connection of being not convenient for and the welding of corresponding flange board and web.
Disclosure of Invention
The invention aims to provide an H-shaped steel reinforcing plate, so that the welding stress of the reinforcing plate, a flange plate and a web plate is dispersed more uniformly, the mechanical property of H-shaped steel is improved, a larger operation space is provided for a welding gun, and the welding of the reinforcing plate is facilitated; the invention also aims to provide the H-shaped steel, so that the welding stress of the H-shaped steel is dispersed more uniformly, the mechanical property of the H-shaped steel is improved, and meanwhile, the welding of the reinforcing plate is facilitated.
The H-shaped steel reinforcing plate adopts the following technical scheme:
the H-shaped steel reinforcing plate comprises two horizontal welding edges and a vertical welding edge, the two horizontal welding edges are respectively used for welding with an upper flange plate and a lower flange plate of the H-shaped steel, and the vertical welding edge is used for welding with a web plate of the H-shaped steel;
all be equipped with between two horizontal welding limits of H shaped steel reinforcing plate and the vertical welding limit and dodge the breach, dodge the arc breach of breach for to the H shaped steel reinforcing plate indent, the arc breach is used for avoiding between H shaped steel reinforcing plate and the web, the welding seam between H shaped steel reinforcing plate and the corresponding flange board to cross.
The invention has the beneficial effects that: two horizontal welding edges of the H-shaped steel reinforcing plate are respectively welded with the two flange plates, the vertical welding edge is welded with the web plate, and an arc-shaped notch is arranged between the two horizontal welding edges and the vertical welding edge of the H-shaped steel reinforcing plate; in addition, at the flange board of two H shaped steel, the web size is the same respectively, set up the scarf on setting up arc breach and the H shaped steel reinforcing plate on the H shaped steel reinforcing plate and compare, guaranteeing horizontal welding limit and flange board, vertical welding limit is the same with web welding strength, horizontal welding limit and flange board promptly, vertical welding limit is the same with web welding length, the H shaped steel reinforcing plate that sets up the arc breach can provide bigger welding space for welder, make things convenient for the welding of H shaped steel reinforcing plate and flange board and web.
Preferably, the arc notch is formed by a quarter of a circular arc.
Has the advantages that: the arc breach forms the right angle with corresponding flange plate or web intersection like this, is favorable to further reducing the thermal deformation of dodging breach department flange plate and web, makes things convenient for the processing of H shaped steel reinforcing plate simultaneously.
As an optimal technical scheme, the other vertical side, located between the two horizontal welding sides, of the H-shaped steel reinforcing plate is a vertical supporting side, and a chamfer is arranged at the intersection of the vertical supporting side and the two horizontal welding sides.
Has the advantages that: the thermal stress at the welding edge of the two horizontal welding edges and the corresponding flange plate can be better dispersed by the arrangement of the chamfers.
The H-shaped steel adopts the following technical scheme:
the H-shaped steel comprises a web plate, an upper flange plate and a lower flange plate;
the reinforcing plate comprises two horizontal welding edges and a vertical welding edge, the two horizontal welding edges are respectively welded with the upper flange plate and the lower flange plate, and the vertical welding edge is welded with the web;
all be equipped with between two horizontal welding limits of reinforcing plate and the vertical welding limit and dodge the breach, dodge the arc breach of breach for to the reinforcing plate indent, the arc breach is used for avoiding between reinforcing plate and the web, the welding seam between reinforcing plate and the corresponding flange board to intersect.
The invention has the beneficial effects that: two horizontal welding edges of the reinforcing plate are respectively welded with the two flange plates, the vertical welding edge is welded with the web plate, and an arc-shaped notch is arranged between the two horizontal welding edges and the vertical welding edge of the reinforcing plate; in addition, flange plate, web size at two H shaped steel are the same respectively, set up the scarf on setting up arc breach and the reinforcing plate on the reinforcing plate and compare, guaranteeing that horizontal welding limit is the same with flange plate, vertical welding limit and web welding strength, and horizontal welding limit is the same with flange plate, vertical welding limit and web welding length promptly, and the reinforcing plate that sets up the arc breach can provide bigger welding space for welder, makes things convenient for the welding of H shaped steel.
Preferably, the arc notch is formed by a quarter of a circular arc.
Has the advantages that: the arc breach forms the right angle with corresponding flange board or web intersection like this, is favorable to further reducing the thermal deformation of dodging breach department flange board and web, makes things convenient for the processing of reinforcing plate simultaneously.
According to the preferable technical scheme, the other vertical edge of the reinforcing plate, which is located between the two horizontal welding edges, is a vertical supporting edge, and a chamfer is arranged at the intersection of the vertical supporting edge and the two horizontal welding edges.
Has the advantages that: the thermal stress at the welding edge of the two horizontal welding edges and the corresponding flange plate can be better dispersed by the arrangement of the chamfers.
Preferably, the reinforcing plates arranged on the left side and the right side of the web plate are arranged in a staggered manner in the front-back direction of the H-shaped steel.
Has the advantages that: compare with the reinforcing plate in the alignment welding of web left and right sides, can effectively reduce the thermal stress concentration of web department, reduce the deflection of web, and then reduce the deflection of both wings flange board, make H shaped steel have better straightness accuracy.
As a preferred technical scheme, reinforcing plates arranged on the left side and the right side of the web plate are uniformly distributed in the front-back direction of the H-shaped steel.
Has the advantages that: the reinforcing plates are uniformly distributed on the left side and the right side of the web plate along the front-back direction, so that the stress on the H-shaped steel is dispersed more uniformly.
Drawings
FIG. 1 is a schematic structural view of a prior art H-shaped steel;
FIG. 2 is a front view of a prior art H-shaped steel with a reinforcing plate welded thereto;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a left side view of FIG. 2;
FIG. 5 is a schematic structural view of the reinforcing plate of FIG. 2;
FIG. 6 is a schematic structural view of an H-shaped steel reinforcing plate according to the present invention;
FIG. 7 is a front view of the H-shaped steel of the present invention;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a left side view of FIG. 7;
FIG. 10 is a front view of the H-beam of the present invention applied to a GIS;
fig. 11 is a left side view of fig. 10.
In the figure: 1-a web; 2-a flange plate; 3-a reinforcing plate; 31-welding the side edges; 21-upper flange plate; 22-lower flange plate; 4-a left stiffener; 5-right reinforcing plate; 41-arc notch; 42-horizontal welding edges; 43-vertical welded edge; 44-vertical support edges; 45-chamfering; 10-a scaffold; 20-H section steel; 30-bus bar.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the specific embodiment of the H-beam reinforced plate of the present invention, as shown in fig. 6, the H-beam reinforced plate includes two horizontal welding edges 42 and one vertical welding edge 43, as shown in fig. 7 to 9, the two horizontal welding edges 42 are respectively welded to the upper flange plate 21 and the lower flange plate 22 of the H-beam, the vertical welding edge 43 is welded to the web 1 of the H-beam, and the position shown by the thick solid line in fig. 9 is a welding position. Avoidance gaps are arranged between the two horizontal welding edges 42 and the vertical welding edges 43 of the H-shaped steel reinforcing plate, the avoidance gaps are arc gaps 41 which are concave towards the H-shaped steel reinforcing plate, and as shown in figures 7 to 9, the arc gaps 41 are used for avoiding the intersection of the web plate 1 and the corresponding flange plates.
The arc notch 41 is formed by a quarter of an arc, so that a right angle is formed at the intersection of the arc notch 41 and the corresponding flange plate or web plate 1, the thermal deformation of the two flange plates and the web plate 1 at the arc notch is favorably further reduced, and meanwhile, the processing of the H-shaped steel reinforcing plate is facilitated.
The H-shaped steel reinforcing plate further comprises another vertical edge positioned between the two horizontal welding edges 42, the vertical edge is a vertical supporting edge 44, and a chamfer 45 is arranged at the intersection of the vertical supporting edge 44 and the two horizontal welding edges 42.
The H-shaped steel reinforcing plate is machined and formed in a mechanical cutting mode.
Set up two arc breach 41 on the H shaped steel reinforcing plate, when H shaped steel reinforcing plate and web 1, the welding of both wings listrium, only weld straight flange department, dispersion H shaped steel reinforcing plate that can be better and the welding stress of web 1 and both wings listrium, improve the intensity of H shaped steel.
In other embodiments, the arc-shaped notch may also be formed by an arc having a central angle greater than 90 °.
The chamfer 45 at the intersection of the vertical supporting edge 44 and the two horizontal welding edges 42 is a chamfer angle, and in other embodiments, the chamfer at the intersection of the vertical supporting edge and the two horizontal welding edges can also be a fillet; the junction of the vertical supporting edge and the two horizontal welding edges can be also not provided with a chamfer.
As shown in fig. 7 to 9, the H-section steel of the embodiment of the invention includes a web 1, an upper flange plate 21, a lower flange plate 22, and a reinforcing plate welded and fixed between the upper flange plate 21 and the lower flange plate 22, and the reinforcing plate in this embodiment has the same structure as the H-section steel reinforcing plate described in the above-mentioned embodiment of the H-section steel reinforcing plate, and is not described again. Specifically, the H-shaped steel is 150 × 150 × 7 × 10Q 235A H-shaped steel, the reinforcing plate is a 12mm thick Q235B steel plate, and the diameter of the two arc-shaped notches 41 on the reinforcing plate is 35 mm.
Use welded fastening to be left reinforcing plate 4 at the left reinforcing plate of web 1, welded fastening is right reinforcing plate 5 at the reinforcing plate on 1 right side of web, and above-mentioned left reinforcing plate 4 staggers with right reinforcing plate 5 on the fore-and-aft direction of H shaped steel and arranges, and each left reinforcing plate 4, right reinforcing plate 5 equipartition respectively on the fore-and-aft direction of H shaped steel. The reinforcing plates on the two sides of the web plate 1 are arranged in a staggered mode, so that the thermal stress at the position of the web plate 1 can be effectively dispersed, the deformation of the web plate 1 is reduced, the deformation of the two flange plates is further reduced, and the H-shaped steel has better straightness.
In other embodiments, the left reinforcing plate and the right reinforcing plate can also be welded on the left side and the right side of the web plate in the front-back direction of the H-shaped steel in an aligned mode; the distance between the left reinforcing plate and the right reinforcing plate in the front-back direction of the H-shaped steel can also be set as required, for example, the distance between one left reinforcing plate and two adjacent left reinforcing plates in the front-back direction can be different, and the distance between one right reinforcing plate and two adjacent right reinforcing plates in the front-back direction can also be different.
As shown in fig. 10 and 11, the structural schematic diagram of the H-beam 20 when applied to the GIS is shown, in this case, the H-beam 20 is used as a supporting beam for supporting the bus 30 of the GIS, and the three-phase bus 30 of the GIS is supported and positioned on the bracket 10 by the H-beam, wherein the upper flange plate of the H-beam 20 is fixed to the base of the bus 30 by bolts, the lower flange plate is fixed to the bracket 10 by bolts, and the H-beam 20 ensures the stable positioning of the three-phase bus 30 on the bracket 10.
Claims (8)
- The H-shaped steel reinforcing plate comprises two horizontal welding edges and a vertical welding edge, wherein the two horizontal welding edges are respectively used for welding with an upper flange plate and a lower flange plate of H-shaped steel, and the vertical welding edge is used for welding with a web plate of the H-shaped steel;the H-shaped steel reinforcing plate is characterized in that avoidance notches are arranged between two horizontal welding edges and a vertical welding edge of the H-shaped steel reinforcing plate, the avoidance notches are arc-shaped notches which are concave inwards towards the H-shaped steel reinforcing plate, and the arc-shaped notches are used for avoiding weld joints between the H-shaped steel reinforcing plate and a web plate and between the H-shaped steel reinforcing plate and a corresponding flange plate to intersect.
- 2. The H-section steel reinforcing plate as claimed in claim 1, wherein the arc-shaped notch is formed by a quarter of a circular arc.
- 3. The H-shaped steel reinforcing plate as claimed in claim 1 or 2, wherein the other vertical side of the H-shaped steel reinforcing plate between the two horizontal welding sides is a vertical supporting side, and a chamfer is arranged at the intersection of the vertical supporting side and the two horizontal welding sides.
- 4. The H-shaped steel comprises a web plate, an upper flange plate and a lower flange plate;the reinforcing plate comprises two horizontal welding edges and a vertical welding edge, the two horizontal welding edges are respectively welded with the upper flange plate and the lower flange plate, and the vertical welding edge is welded with the web;the reinforced plate is characterized in that avoidance notches are arranged between two horizontal welding edges and a vertical welding edge of the reinforced plate, the avoidance notches are arc notches which are concave inwards towards the reinforced plate, and the arc notches are used for avoiding weld joints between the reinforced plate and a web plate and between the reinforced plate and a corresponding flange plate to intersect.
- 5. The H-beam according to claim 4, wherein the arc-shaped notch is formed by a quarter of a circular arc.
- 6. The H-shaped steel according to claim 4 or 5, wherein the other vertical edge of the reinforcing plate between the two horizontal welding edges is a vertical supporting edge, and a chamfer is arranged at the intersection of the vertical supporting edge and the two horizontal welding edges.
- 7. The H-beam according to claim 4 or 5, wherein the reinforcing plates provided on the left and right sides of the web are arranged to be offset in the front-rear direction of the H-beam.
- 8. The H-beam according to claim 7, wherein the reinforcing plates provided on both left and right sides of the web are uniformly distributed in a front-rear direction of the H-beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580041.5A CN110593484A (en) | 2019-06-28 | 2019-06-28 | H-shaped steel and reinforcing plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580041.5A CN110593484A (en) | 2019-06-28 | 2019-06-28 | H-shaped steel and reinforcing plate thereof |
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| CN110593484A true CN110593484A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910580041.5A Pending CN110593484A (en) | 2019-06-28 | 2019-06-28 | H-shaped steel and reinforcing plate thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0810945A (en) * | 1994-06-24 | 1996-01-16 | Kito Corp | Welded structure of girder member |
| JPH09310406A (en) * | 1996-05-21 | 1997-12-02 | Shimizu Corp | Steel frame material connecting method |
| CN103192189A (en) * | 2013-04-12 | 2013-07-10 | 深圳中集专用车有限公司 | Semitrailer girder structure and welding process thereof |
| CN104339096B (en) * | 2013-07-30 | 2016-08-24 | 株式会社神户制钢所 | Post beam welding point and manufacture method thereof |
| CN207597713U (en) * | 2017-11-01 | 2018-07-10 | 江苏安荣电气设备股份有限公司 | A kind of I-shaped evacuation platform girder steel |
-
2019
- 2019-06-28 CN CN201910580041.5A patent/CN110593484A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0810945A (en) * | 1994-06-24 | 1996-01-16 | Kito Corp | Welded structure of girder member |
| JPH09310406A (en) * | 1996-05-21 | 1997-12-02 | Shimizu Corp | Steel frame material connecting method |
| CN103192189A (en) * | 2013-04-12 | 2013-07-10 | 深圳中集专用车有限公司 | Semitrailer girder structure and welding process thereof |
| CN104339096B (en) * | 2013-07-30 | 2016-08-24 | 株式会社神户制钢所 | Post beam welding point and manufacture method thereof |
| CN207597713U (en) * | 2017-11-01 | 2018-07-10 | 江苏安荣电气设备股份有限公司 | A kind of I-shaped evacuation platform girder steel |
Non-Patent Citations (2)
| Title |
|---|
| 中国人民解放军第一机务学校编: "《焊接工艺讲义-焊接机械师学员用》", 31 August 1976, 中国人民解放军第一航空机务学校 * |
| 翟洪绪编著: "《实用铆工手册》", 30 April 1998, 化学工业出版社 * |
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Application publication date: 20191220 |
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