CN201151971Y - Special type sinusoid corrugated web H profiled bar - Google Patents
Special type sinusoid corrugated web H profiled bar Download PDFInfo
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- CN201151971Y CN201151971Y CNU2008200548105U CN200820054810U CN201151971Y CN 201151971 Y CN201151971 Y CN 201151971Y CN U2008200548105 U CNU2008200548105 U CN U2008200548105U CN 200820054810 U CN200820054810 U CN 200820054810U CN 201151971 Y CN201151971 Y CN 201151971Y
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Abstract
The utility model belongs to the technical field of construction sectional material and particularly relates to a special type sinusoidal corrugated ventral shield H-shape steel, the section port of which consists of a middle ventral shield, an upper flange and a lower flange which are connected as a whole. The upper flange is parallel with the lower flange. The ventral shield is vertically arranged between the upper flange and the lower flange. The ventral shield and the flanges are connected by a single corner welding line. The ventral shield is corrugated ventral shield with the uniform or uneven periodical repetition along the length direction, and the corrugated section is sinusoidal wave shape. The product can replace I-shaped steel and H-shaped steel, has wider application range than the I-shaped steel and the H-shaped steel and can realize mass production to be applied to special field and special place comprising the construction of large span bridge and ship manufacture, etc.
Description
Technical field
The utility model belongs to the architectural shape technical field, is specifically related to a kind of extraordinary sine curve Ripple Sternum.
Background technology
What generally adopt in similar field at present is hot rolling i iron, hot rolled H-shaped and welded H section steel.I iron and H shaped steel form by hot rolling in factory, are subjected to the restriction of processing technology, and its web must be a module extender board.Can adopt welded H section steel when common shaped steel specification can't meet the demands, welded H section steel then is that two wing plates peace face web is welded together into H type cross section, but welded H section steel adopts the dihedral weld seam more, and the welding job amount is bigger.
Traditional i iron and H shaped steel steel using amount are big, and main cause is that the anti-flexion capabilities of web is lower, so need to improve web thickness.And welded H section steel is because the ratio of height to thickness of web is restricted, and its web thickness is general also thicker, causes steel using amount excessive.In addition, welded H section steel also will need to take the special technique measure in use, and such as stiffening rib or utilize Post-buckling Strength of Web Plate etc., design and construction are all comparatively complicated.
Traditional hot rolling i iron and H shaped steel is owing to be subjected to the restriction of processing technology and process equipment, the difficult maximization that realizes product, and when desired supporting capacity and rigidity were big, traditional product was difficult to meet the demands.If finish by design, processing welded H section steel, then comparatively time-consuming, improve cost, and influence construction speed.
The ripple section of existing patented technology (ZL 200310106253.9) web adopts circular arc, trapezoidal or involute shape, but has certain problem.At first the bending amplitude of circular arc section and involute section is excessive, causes the interior residual stress of web excessive; And the cripling of web more easily takes place in trapezoidal cross-section, and the stress distribution that this section caused will have adverse effect to the edge of a wing in the member, causes the reduction of edge of a wing intensity.In addition, have desired pure trapezoidal web in the patent, in process, must cause the local uneven pulling of steel plate, produce the sclerosis of overstrain and material, influence the product stress performance.Simultaneously,, must influence speed of welding and quality, occur weld defect and stress easily in the part and concentrate, can influence the product stress performance equally because the transition of web corner is not mild.
In sum, the goal in research that to study the extraordinary sine curve Ripple Sternum of a kind of with low cost, superior performance, long service life be those skilled in the art.
Summary of the invention
The purpose of this utility model is to provide the extraordinary sine curve Ripple Sternum of a kind of with low cost, superior performance, long service life.
The extraordinary sine curve Ripple Sternum that the utility model proposes, its section shape of the mouth as one speaks is made of central-web 2 and upper and lower edge of a wing disjunctor, and its structure is as shown in Figure 1.Wherein, top flange 1 is parallel with bottom flange 3, and vertically between top flange 1 and bottom flange 3, web 2 is the corrugated web that even or inhomogeneous periodicity repeats for the length direction of once-forming to web 2.
In the utility model, described ripple section is a sine curve.
In the utility model, be respectively the single face fillet weld between described web 2 and top flange 1, the bottom flange 3.
In the utility model, the sine curve ripple adopts the sinusoidal roll-forming equipment of professional numerical control to make.
In the utility model, web 2 ripple density and height can change as requested.
In the utility model, described ripple section is a sine curve.This sine curve makes web 2 power transmission smoothnesses, has avoided the complex stress condition of web 2.And the welding gun walking is level and smooth when making the welding of web and edge of a wing steel plate, is easy to guarantee welding quality, avoids weld stress to concentrate.
The utility model has been optimized the section mechanical property of H shaped steel and welded H section steel by changing hot rolled H-shaped and welded H section steel web shape, by web be shaped, explained hereafter the utility model products such as full-automatic welding, anticorrosion, anti-fire processing.
In the utility model, the further processing of conventional products can realize the suitability for industrialized production of the variable cross-section product of different shape.
Preparation technology of the present utility model is as follows: will be rolled into the sinusoidal waveforms web of the even or inhomogeneous repetition of ripple with steel along its length, and adopt the single face fillet weld to be welded into H type cross section with two wing plates.It is relations of having optimized to a greater extent between section mechanical property and the product steel using amount that this novel section makes up maximum characteristics, makes it more to be tending towards rationalization, scientific.Through home and abroad scholar a large amount of experimental study and theory analysis, consistent think adopt sinusoidal corrugated form can eliminate the unfavorable phenomenon of web cripling, also can eliminate the influence that the waveform of web reduces edge of a wing intensity simultaneously.Simultaneously, adopt the sine curve ripple handsome in appearance, acoustic efficiency is good.The utlity model has stress performance advantages such as high bearing capacity, high rigidity, and good anti-fatigue performance and the characteristics that combine from heavy and light, be very good structural shapes material.The utility model adopts full automatic welding connection technology and professional positioning tool anchor clamps, can guarantee accurate positioning between web and two wing plates, and the seam track unanimity realizes standardization easily, and weld seam nothing attractive in appearance is splashed, and has welded product and has not needed shaping.The utility model adopts the sinusoidal roll-forming technology processing of professional numerical control web, can realize that product maximizes.Production efficiency and industrial production welding efficiency are complementary simultaneously, can realize large-scale industrial production.
The utility model is compared with H shaped steel with the hot rolling i iron, and under the rigidity situation equal with bearing capacity, steel using amount saves about 40%～60%, saves about 30% than welded H section steel.
Compare with existing patent Ripple Sternum (ZL 200310106253.9), the utility model has substantial difference and advantageous feature in the following aspects: can will adopt the single face fillet weld between the web and the edge of a wing during production, so just reduce half welding capacity, and reduced welding residual stress and permanent set, reduce cost simultaneously.Avoided the existing cripling problem of trapezoidal web and to the technological deficiencies such as influence of edge of a wing intensity by adopting sine curve, from the production angle, avoided the weld defect and the strain of trapezoidal sharp corner to concentrate again, and can make the welding gun walking level and smooth, guarantee welding quality, avoid weld stress to concentrate.Former patented product adopts single ripple size, and web thickness must be according to stressed maximum position bearing capacity control, and it is limited that web is optimized the space.And adopt the sinusoidal roll-forming fabrication techniques of professional numerical control sinusoidal waveforms, can be implemented in and stressedly reduce wavelength than large part, strengthen ripple density or increase wave height, and at the more sparse ripple of stressed less position employing, realized along the optimization of beam length direction, thereby can reach the double effects that improves bearing capacity and save steel.
The sheet deformation smoothness that adopts the sinusoidal roll-forming fabrication techniques of professional numerical control to form, can not resemble the permanent set and the local elongation that cause face in the steel plate other curve roller type cold bending, punching press or the clod wash rolling and forming technology, thereby sinusoidal waveforms is for formed overstrain of the making of web ripple and local elongation minimum.
This product can replace i iron and H shaped steel, and more extensive than i iron and H shaped steel purposes, can realize maximizing being used for special dimension and particular location, comprises the construction of Longspan Bridge and shipbuilding etc.
Description of drawings
Fig. 1 is a structural diagrams of the present utility model.
Fig. 2 is the schematic diagram of web section.
Number in the figure: 1 is the top flange, and 2 is web, and 3 is the bottom flange.
The specific embodiment
Further specify the utility model below by the example structure accompanying drawing.
Embodiment 1: its section shape of the mouth as one speaks of anti-flexing web H shaped steel is made of central-web 2 and upper and lower edge of a wing disjunctor, top flange 1 is parallel with bottom flange 3, web 2 is vertically between top flange 1 and bottom flange 3, web 2 is the corrugated web that even or inhomogeneous periodicity repeats for the length direction of once-forming, and this ripple section is a sinusoidal waveforms.
For verifying this properties of product, made two kinds of test specimens and studied.Material for test all adopts the Q235 steel, and the edge of a wing 1 of first kind of test specimen and the edge of a wing 3 thickness are 14 millimeters, and width is 280 millimeters, 2 millimeters of web 2 thickness, 1000 millimeters of height, 50 millimeters of ripple height, 300 millimeters of wavelength; The edge of a wing 1 of second kind of test specimen and the edge of a wing 3 thickness are 10 millimeters, and width is 200 millimeters, and web 2 thickness are 1.5 millimeters, 500 millimeters of height, 38 millimeters of ripple height, 175 millimeters of wavelength.
Claims (4)
1, a kind of extraordinary sine curve Ripple Sternum, it is characterized in that the section shape of the mouth as one speaks is made of central-web (2) and top flange (1), bottom flange (3) disjunctor, wherein, top flange (1) is parallel with bottom flange (3), web (2) vertically is positioned between top flange (1) and bottom flange (3), and web (2) is the corrugated web that even or inhomogeneous periodicity repeats for length direction.
2, extraordinary sine curve Ripple Sternum according to claim 1 is characterized in that described ripple section is a sinusoidal waveforms.
3, extraordinary sine curve Ripple Sternum according to claim 1 is characterized in that connected mode is respectively the single face fillet weld between described web (2) and top flange (1), bottom flange (3).
4, extraordinary sine curve Ripple Sternum according to claim 1 is characterized in that described sinusoidal waveforms adopts the sinusoidal roll-in technology of numerical control to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200548105U CN201151971Y (en) | 2008-01-17 | 2008-01-17 | Special type sinusoid corrugated web H profiled bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200548105U CN201151971Y (en) | 2008-01-17 | 2008-01-17 | Special type sinusoid corrugated web H profiled bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201151971Y true CN201151971Y (en) | 2008-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200548105U Expired - Fee Related CN201151971Y (en) | 2008-01-17 | 2008-01-17 | Special type sinusoid corrugated web H profiled bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201151971Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261161A (en) * | 2011-02-23 | 2011-11-30 | 山东华兴机械股份有限公司 | Web on H-shaped steel and plate forming machine for processing web |
| CN102869462A (en) * | 2010-04-28 | 2013-01-09 | Dbw控股有限公司 | Flat semi-finished product made of metal and methods for producing same as well as components therefrom |
| CN103590377A (en) * | 2013-11-13 | 2014-02-19 | 华北水利水电大学 | Steel arch-gate making corrugated web type structural steel as main beams |
| CN103603322A (en) * | 2013-11-13 | 2014-02-26 | 华北水利水电大学 | Plane steel gate with girder made of wave web profile steel |
| CN110499868A (en) * | 2019-08-26 | 2019-11-26 | 浙江精工钢结构集团有限公司 | A kind of assembled fish belly corrugated web girder steel |
-
2008
- 2008-01-17 CN CNU2008200548105U patent/CN201151971Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102869462A (en) * | 2010-04-28 | 2013-01-09 | Dbw控股有限公司 | Flat semi-finished product made of metal and methods for producing same as well as components therefrom |
| CN102261161A (en) * | 2011-02-23 | 2011-11-30 | 山东华兴机械股份有限公司 | Web on H-shaped steel and plate forming machine for processing web |
| CN103590377A (en) * | 2013-11-13 | 2014-02-19 | 华北水利水电大学 | Steel arch-gate making corrugated web type structural steel as main beams |
| CN103603322A (en) * | 2013-11-13 | 2014-02-26 | 华北水利水电大学 | Plane steel gate with girder made of wave web profile steel |
| CN103590377B (en) * | 2013-11-13 | 2016-01-06 | 华北水利水电大学 | The steel arch-gate of girder is made of antinode shaped steel |
| CN110499868A (en) * | 2019-08-26 | 2019-11-26 | 浙江精工钢结构集团有限公司 | A kind of assembled fish belly corrugated web girder steel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 Termination date: 20120117 |