CN103883867B - A kind of a few word steel and production method thereof - Google Patents
A kind of a few word steel and production method thereof Download PDFInfo
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- CN103883867B CN103883867B CN201410081088.4A CN201410081088A CN103883867B CN 103883867 B CN103883867 B CN 103883867B CN 201410081088 A CN201410081088 A CN 201410081088A CN 103883867 B CN103883867 B CN 103883867B
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Abstract
The present invention relates to steel manufacture field, particularly to a kind of a few word steel and production method thereof.Wherein, these a few word steel, including base plate；The first web and the second web are extended to identical direction in the two ends of base plate, and the first web and the second web all vertical with base plate；First web away from one end of base plate along extending the first wing plate to the direction of the first web from the second web；Second web away from one end of base plate along extending the second wing plate to the direction of the second web from the first web；First wing plate and the second wing plate are all parallel with base plate.Whole a few word steel itself there is no weld seam, therefore, compared with a few word steel being welded by five block plates in prior art, during the bigger pressure of current carrying, a few word steel do not have deformation or the phenomenon of welding seam breaking, and then have more preferable serviceability.
Description
Technical field
The present invention relates to steel manufacture field, in particular to a kind of a few word steel and life thereof
Product method.
Background technology
A few word steel are a kind of novel iron and steel material shapeds researched and developed along with market demand and technological progress
Kind, is widely used in building iron structure engineering, plant equipment engineering, bridge steel structure engineering,
Marine engineering etc., particularly will become the contenders of H profile steel in building iron structure field.
Continually developing and extensively using along with market, a few word steel will present powerful vitality.
In the related, common a few word steel capital be by five block plates are welded successively and
Become.But, so by a few word steel that five block plates are welded in correlation technique,
Owing to it exists a plurality of weld seam；It is in the operation of the bigger pressure of load, and a few word steel there will be
Commissure deformation or the phenomenon of fracture, therefore, this few word steel in correlation technique use
Poor performance.
Summary of the invention
It is an object of the invention to provide a kind of a few word steel and production method thereof, above-mentioned to solve
Problem.
Provide a few word steel in an embodiment of the present invention, including base plate；
The first web and the second web are extended to identical direction in the two ends of described base plate,
And described first web is all vertical with described base plate with described second web；
Described first web away from one end of described base plate along from described second web to described the
The first wing plate is extended in the direction of one web；
Described second web away from one end of described base plate along from described first web to described the
The second wing plate is extended in the direction of two webs；
Described first wing plate and the second wing plate are all parallel with described base plate.
This few word steel that the present invention provides, including two webs, two wing plates and base plate.
The two ends of base plate have each extended over out two webs that bearing of trend is identical, and two webs are not
The one end being connected with base plate extends the first wing plate and the second wing plate respectively.In this enforcement
In example, owing to the first web and the second web are all to be extended to by the two ends of base plate, and
First wing plate and the second wing plate extend to from the first web and the second web the most respectively,
By set between first wing plate, the second wing plate, the first web and the second web and base plate
Position relationship and constitute one-body molded and seamless a few word steel.Of whole a few word steel itself
There is no weld seam, therefore, with several words of being welded by five block plates in prior art
Steel is compared, and during the bigger pressure of current carrying, a few word steel do not have deformation or weld seam breaks
The phenomenon split, and then there is more preferable serviceability.
Further, since this few word steel that the present embodiment provides are integrated, whole several
The steel body of word steel does not has weld seam, and therefore its anti-pressure ability is higher, and bending bearing capacity is strong, tool
There is more preferably enabling capabilities, building iron structure engineering, plant equipment can be applied on a large scale
The numerous areas such as engineering, bridge steel structure engineering and Marine engineering.
Optionally, described first web and described second web are arranged along described bottom board symmetry.
Optionally, described base plate, the first web, the second web, the first wing plate and second
Wing plate is rectangle；Described first web is identical with the shape of described second web, and described
One web is identical with the shape of described second web；The width of described base plate is more than described first
The width of wing plate；The width of described first web is more than the width of described base plate.
Optionally, the thickness of described base plate and described first wing plate is all higher than described first web
Thickness.
Optionally, the thickness of described first web is 5-7 millimeter；The thickness of described first wing plate
Degree is 8-12 millimeter；The thickness of described base plate is 8-12 millimeter.
It addition, the embodiment of the present invention additionally provides the production method of this few word steel, including with
Lower step:
Steel billet materials is heated to 1200-1330 DEG C, raw material after being heated；
Raw material after described heating is carried out hot rolling, obtains " W " or " M " type rolled piece；
Utilize after described " W " or " M " type rolled piece are cooled down and be provided with rectifying of cold-bending device
Straight machine is aligned, and obtains integrated a few word steel.
This method that the embodiment of the present invention provides, after passing through heating by steel billet materials
Carry out hot rolling, and then obtain " W " or " M " type rolled piece, then will obtain " W " or
Utilize the straightener being provided with cold-bending device to align after the cooling of " M " type rolled piece, obtain
Integrated a few word steel.When steel billet materials is heated to 1200-1330 DEG C, by accordingly
Equipment it is carried out hot-rolled manipulation, and then " W " or " M " type rolled piece can be obtained,
And utilize the straightener being provided with cold-bending device to carry out after the cooling of " W " or " M " type rolled piece
Aligning, aligns after first carrying out clod wash again, and cold-bending device is used for undertaking integer function, rectifys
Straight device is used for undertaking calibration function, and then obtains integrated a few word steel.
It addition, this method that the present embodiment provides, easily-controlled operation, therefore it is especially suitable for
This integrated a few word steel are produced for large-scale.
Optionally, described, steel billet materials is heated to 1200-1330 DEG C, after being heated
In the step of raw material；Described steel billet materials includes rectangular bloom or Hot Metal in Beam Blank.
Optionally, described by described heating after raw material carry out hot rolling, obtain " W " or " M "
In type rolled piece step, specifically include: at the beginning of utilizing breaking down unit to carry out raw material after described heating
Roll, obtain breaking down rolled piece；Utilize mm finishing mill unit to carry out finish rolling in described breaking down rolled piece, obtain
" W " or " M " type rolled piece.
Optionally, utilize mm finishing mill unit to carry out finish rolling in described breaking down rolled piece described, obtain
In the step of " W " or " M " type rolled piece:
During described finish rolling, the roller groove degree of depth of described mm finishing mill unit is less than 300
Millimeter, the roll surface width of described mm finishing mill unit is less than 1200 millimeters.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical side of the prior art
Case, will make the accompanying drawing used required in detailed description of the invention or description of the prior art below
Introduce simply, it should be apparent that, the accompanying drawing in describing below is some enforcements of the present invention
Mode, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
A few word steel side views that Fig. 1 provides for the embodiment of the present invention one and embodiment two；
A few word steel that Fig. 2 provides for the embodiment of the present invention one and embodiment two are applied to steel concrete case
The schematic diagram of type girder construction；
Fig. 3 shows that in the production method of the embodiment of the present invention two, " W " or " M " type rolls
The schematic diagram of part；
Fig. 4 shows the schematic flow sheet of the production method of the embodiment of the present invention two.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below will be to this
Bright technical scheme carries out clear, complete description, based on the specific embodiment party in the present invention
Formula, those of ordinary skill in the art on the premise of not making creative work obtained by
Other embodiments all, broadly fall into the scope that the present invention is protected.
Embodiment one
Refer to Fig. 1, the present embodiment provides a kind of a few word steel, including base plate 101；The described end
The first web 102 and the second web 103 is extended to identical direction in the two ends of plate 101,
And described first web 102 and described second web 103 all vertical with described base plate 101；
Described first web 102 away from one end of described base plate 101 along from described second web 103
The first wing plate 104 is extended in direction to described first web 102；Described second web 103
Away from described base plate 101 one end along from described first web 102 to described second web
The second wing plate 105 is extended in the direction of 103；Described first wing plate 104 and the second wing plate 105
All parallel with described base plate 101.
This few word steel that the present invention provides, including two webs, two wing plates and base plate
101.The two ends of base plate 101 have each extended over out two webs that bearing of trend is identical, and two
One end that individual web is not connected with base plate 101 extends the first wing plate 104 and respectively
Two wing plates 105.In the present embodiment, equal due to the first web 102 and the second web 103
It is to be extended to by the two ends of base plate 101, and the first wing plate 104 and the second wing plate 105
Extend to from the first web 102 and the second web 103 the most respectively, the first wing plate
104, second wing plate the 105, first web 102 and the second web 103 and base plate 101 it
Between constitute one-body molded and seamless a few word steel by set position relationship.Whole several
Word steel itself there is no weld seam, therefore, welded by five block plates with prior art
A few word steel compare, during the bigger pressure of current carrying, a few word steel do not have deformation
Or the phenomenon of welding seam breaking, and then there is more preferable serviceability.
Further, since this few word steel that the present embodiment provides are integrated, whole several
The steel body of word steel does not has weld seam, and therefore its anti-pressure ability is higher, and bending bearing capacity is strong, tool
There is more preferably enabling capabilities, building iron structure engineering, plant equipment can be applied on a large scale
The numerous areas such as engineering, bridge steel structure engineering and Marine engineering.
So that a few word steel of the embodiment of the present invention one are preferably applied, more efficient
Being applied in every profession and trade field, the present invention also provides on the basis of above-described embodiment one
Embodiment two, the further of a few word steel of embodiment one is increased and limits by embodiment two,
Now it is described in detail and explains, refer to Fig. 1-Fig. 4:
Embodiment two
In the present embodiment, so that a few word steel in the process of use (as applied to steel concrete box
Beam) in, the power suffered by the first web 102 and the second web 103 is uniform, it is preferred that
Described first web 102 and described second web 103 are symmetrical arranged along described base plate 101.
It addition, in the present embodiment, using a few word steel when, it is however generally that, first
Wing plate 104 and the second wing plate 105 primarily serve the effect of load-bearing, and base plate 101 then supports
With two webs that the effect of location is between two wing plates and base plate 101 then play support
With the effect of power transmission, therefore, in order to increase load-carrying and the support performance of whole a few word steel, excellent
Choosing, described base plate the 101, first web the 102, second web the 103, first wing plate 104
And second wing plate 105 be rectangle；Described first web 102 and described second web 103
Shape identical, described first web 102 is identical with the shape of described second web 103；
The width of described base plate 101 is more than the width of described first wing plate 104；Described first web
The width of 102 is more than the width of described base plate 101.Owing to two webs are in the process of application
In suffered power be vertical direction, and base plate 101 and two are it is generally required to have stronger
Supporting role, therefore, it is furthermore preferred that described base plate 101 and described first wing plate 104
Thickness is all higher than the thickness of described first web 102.
It addition, in the present embodiment, in order to meet the demand of large-scale industrial production, several words
Steel can preferably have following dimensional structure: the thickness of described first web 102 is 5-7
Millimeter；The thickness of described first wing plate 104 is 8-12 millimeter；The thickness of described base plate 101
For 8-12 millimeter.
Meanwhile, in order to meet multiple demand, a few word steel dimensions standards can possess multiple rule
Lattice, concrete, refer to Tables 1 and 2, Tables 1 and 2 respectively illustrates different size
The dimensional standard of a few word steel.
Table more than 1 word steel series of products height and width criteria
Table more than 2 word steel series of products thickness calibration
It addition, in the present embodiment, the first wing plate 104 and connecting portion of the first web 102
Position, the second wing plate 105 and the connecting portion of the second web 103, base plate 101 and the first abdomen
The connecting portion of plate 102 and the second web 103 all can be set to circular arc, has this circle
The connecting portion of arcuate structure can preferably ensure the load-bearing property of a few word steel.
At present, in the prior art, at building field in addition to reinforced concrete structure, H
The steel structure of shaped steel occupies main flow, usually makees face by H profile steel under floor concrete and supports
Independent structure.Pure steel structure is big due to steel using amount, the rigidity of structure and stability, whole
Body, fire line and durability are the most concerned, and therefore it exists the biggest improving
Space.
A few word steel of the present embodiment are introduced building field, have developed a kind of steel concrete (mixing one
Body) box (shape for hat) beam (with reference to Fig. 2), owing to extending some drawknots in box beam
Muscle is made, and in box beam, two webs and two flange plates of a few word steel are had by casting concrete
Constrained effect, and then it is possible to prevent two webs and two wing plate unstabilitys, improve two
The compressive buckling bearing capacity of web, has delayed the generation of box beam inner concrete micro-crack simultaneously
And development, thus improve comprcssive strength and the compression deformation ability of box beam inner concrete,
Having given full play to steel tension and the good advantage of concrete anti-compression performance, steel concrete is mixed into one
Combination property after box beam is far above the simple superposition of bi-material performance.
Above-mentioned steel concrete box beam is applied to skyscraper and the most also has the advantage that, 1, carrying
Power is strong, and good extending performance, the sectional area of beam is little.Relative to pure steel structure beam, it has bigger
Bending rigidity, relative to armored concrete, it has bigger extension property and higher intensity；
To save than the H profile steel steel using amount of same performance；2, a few word steel concrete can be played with
The effect of contraction that stirrup is similar, it is possible to significantly improve the shear-carrying capacity of structure；3, construction party
Just quick, save labour turnover.A few word steel can double as template and the building of beam in work progress
The support in face, and without artificial formwork and form removal so that construct simple and direct quickly；4, improve
The intensity of concrete and globality, anti-seismic performance is good.Due to the concrete in box beam and building
Face one pours simultaneously, independent only more stable in lower support than H profile steel, does not have shake
Quiver sense.5, fire protecting performance is good.When fire occurs, flooring and box beam inner concrete absorb and dissipate
Send out big dimension temperature, delayed steel strength performance, added the intensity of concrete itself, won
Obtained the quality time that personnel escape；6, space in building it is effectively increased.Due to steel
Concrete box beam performance optimizes, and can reduce net sectional area, provide further relative savings the support of underfloor
Take height and then sleeving inner space can be improved, meaning that high-rise is in equal height simultaneously
Under can accommodate more floor etc..
It addition, the embodiment of the present invention additionally provides the production method of this few word steel, including with
Lower step:
1, steel billet materials is heated to 1200-1330 DEG C, raw material after being heated；
Concrete, steel billet materials can be rectangular bloom or Hot Metal in Beam Blank, and the process heated
Can preferably carry out in heating furnace so that the samming of steel billet materials reaches 1200-1330 DEG C
?.
2, raw material after described heating is carried out hot rolling, obtain " W " or " M " type rolled piece
02；
In this step, concrete, may include that and raw material after described heating is utilized breaking down
Unit carries out breaking down, obtains breaking down rolled piece 01(and refer to Fig. 4)；By described breaking down rolled piece
01 utilizes mm finishing mill unit to carry out finish rolling, obtains " W " or " M " type rolled piece 02(and refer to
Fig. 4).
More specifically, breaking down unit can select reversible or single chassis and cross-arranging type N frame, and
Mm finishing mill unit can select continual rolling or omnipotent unit；During finish rolling, utilize corresponding
Hole shape forming technique breaking down rolled piece can be made " W " or " M " type rolled piece 02.More
Preferably, during finish rolling, the roller groove degree of depth of described mm finishing mill unit is less than 300
Millimeter, the roll surface width of described mm finishing mill unit is less than 1200 millimeters；Which changes
The rolling mode of tradition finish rolling one-step building, it is according to product feature, plays to greatest extent and rolls
Machine equipment usefulness, solves current equipment and can not produce big-and-middle-sized product by tradition rolling mode
A difficult problem for specification.This production method reduces roller groove depth and width (now by effective
Have the roller groove degree of depth and roll surface width in technology be respectively required for reaching 600 millimeters and
1500 millimeters) and then prevent roll breakage, and add roll working life and then cost-effective.
In this application, why select to make breaking down rolled piece 01 " W " or " M " type
Rolled piece 02 or Fig. 3, the essence of its production technology is by both the horizontal and vertical directions
Make just rolled piece compression modification, thus reduce the degree of depth of roller groove and reduce roll surface
Width.
3, utilize after described " W " or " M " type rolled piece 02 being cooled down and be provided with clod wash dress
The straightener put is aligned, and obtains integrated a few word steel.
Concrete, in this step, difference with the prior art is, employ be equipped cold
" W " or " M " type rolled piece 02 after cooling is aligned by the straightener of bending apparatus,
Aligning after first carrying out clod wash, cold-bending device assume responsibility for the function of integer, and straightener holds
Carry on a shoulder pole the function of correction, thus improve the product quality of a few word steel.Said method is the suitableeest
A few word steel of large-size are produced in symphysis, and the height for the first web 102 is less than 200 millimeters
A few word steel, according to traditional hot-rolled manipulation.
Integer aligning is two contrary technical processs with compression modification, but their texturing machine
Reason is identical.All it is by plastic deformation and elastic deformation." exceeding the proper limits in righting a wrong " is aligning behaviour
The ultimate principle made.For the strength degree of different cultivars specification rolled piece, original curvature gradient
Size calculates bending moment and the straightening force of each roller, sets corresponding reduction parameters and code.
After " W " or " M " type rolled piece 02 is nipped, according to base plate, web, the edge of a wing successively
Order is carried out, and is given by the most progressive angle to smoothing roll in direction up and down and force value
Give or the pressure active force of plus or minus, finally realize product quality requirement.
This method that the embodiment of the present invention provides, after passing through heating by steel billet materials
Carry out hot rolling, and then obtain " W " or " M " type rolled piece 02, then " W " will be obtained
Or utilize the straightener being provided with cold-bending device to align after the cooling of " M " type rolled piece 02,
Obtain integrated a few word steel.When steel billet materials is heated to 1200-1330 DEG C, pass through
Corresponding equipment carries out hot-rolled manipulation to it, and then can obtain " W " or " M " type and roll
Part 02, and utilize after the cooling of " W " or " M " type rolled piece 02 and be provided with cold-bending device
Straightener is aligned, and aligns after first carrying out clod wash, and cold-bending device assume responsibility for integer
Function, straightener assume responsibility for the function of correction, and then improves integrated a few word steel
Quality, be especially suitable for produce large-size a few word steel.
It addition, this method that the present embodiment provides, easily-controlled operation, therefore it is especially suitable for
This integrated a few word steel are produced for large-scale.
To sum up, this few word steel that the present embodiment provides, it is not necessary to newly construct the factory buildings, use existing
Become steel rolling equipment to improve a little can go into operation；Owing to hot rolling is the most plastic, reduce and produce
Cost more energy-conserving and environment-protective, improve the market competitiveness.Due to industrialized production, spy can be met
Larger product processed and large batch of market demand；Various physics and chemical technology index are the most excellent
In welding product, constant product quality.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention,
For a person skilled in the art, the present invention can have various modifications and variations.All
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made,
Should be included within the scope of the present invention.
Claims (8)
1. the production method of a few word steel, it is characterised in that comprise the following steps: by steel billet materials
It is heated to 1200-1330 DEG C, raw material after being heated；
Raw material after described heating is carried out hot rolling, obtains " W " or " M " type rolled piece；
The aligning being provided with cold-bending device is utilized after described " W " or " M " type rolled piece being cooled down
Machine is aligned, and obtains integrated a few word steel；
Wherein, described a few word steel, including base plate；The two ends of described base plate are to identical direction
Extend the first web and the second web, and described first web and described second web are all and institute
State base plate vertical；Described first web away from described base plate one end along from described second web to
The first wing plate is extended in the direction of described first web；Described second web is away from described base plate
One end is along extending the second wing plate from described first web to the direction of described second web；Described
First wing plate and the second wing plate are all parallel with described base plate.
Production method the most according to claim 1, it is characterised in that described by steel billet materials
Being heated to 1200-1330 DEG C, after being heated in the step of raw material, described steel billet materials includes rectangular bloom
Or Hot Metal in Beam Blank.
Production method the most according to claim 2, it is characterised in that described by described heating
Rear raw material carries out hot rolling, obtains, in " W " or " M " type rolled piece step, specifically including:
Utilize breaking down unit to carry out breaking down raw material after described heating, obtain breaking down rolled piece；
Utilize mm finishing mill unit to carry out finish rolling in described breaking down rolled piece, obtain " W " or " M " type rolled piece.
Production method the most according to claim 3, it is characterised in that described by described breaking down
Rolled piece utilizes mm finishing mill unit to carry out finish rolling, obtains in the step of " W " or " M " type rolled piece:
During described finish rolling, the roller groove degree of depth of described mm finishing mill unit is less than 300 millimeters,
The roll surface width of described mm finishing mill unit is less than 1200 millimeters.
Method the most according to claim 1, it is characterised in that described first web and described
Two webs are arranged along described bottom board symmetry.
Method the most according to claim 1, it is characterised in that described base plate, the first web,
Second web, the first wing plate and the second wing plate are rectangle；
Described first web is identical with the shape of described second web, described first web and described second
The shape of web is identical；
The width of described base plate is more than the width of described first wing plate；The width of described first web is more than
The width of described base plate.
Method the most according to claim 6, it is characterised in that described base plate and described first wing
The thickness of plate is all higher than the thickness of described first web.
Method the most according to claim 6, it is characterised in that the thickness of described first web is
5-7 millimeter；The thickness of described first wing plate is 8-12 millimeter；The thickness of described base plate is 8-12 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081088.4A CN103883867B (en) | 2014-03-06 | A kind of a few word steel and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081088.4A CN103883867B (en) | 2014-03-06 | A kind of a few word steel and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103883867A CN103883867A (en) | 2014-06-25 |
| CN103883867B true CN103883867B (en) | 2016-11-30 |
Family
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| CN2723569Y (en) * | 2004-08-22 | 2005-09-07 | 张军强 | 'u' shape steel beam |
| CN1775390A (en) * | 2005-12-09 | 2006-05-24 | 广东韶钢松山股份有限公司 | Medium-thick plate production process |
| CN101168224A (en) * | 2007-11-30 | 2008-04-30 | 攀钢集团攀枝花钢铁研究院 | Heating and forming method for cold bending sectional steel and cold bending sectional steel produced by the same |
| CN101209456A (en) * | 2006-12-27 | 2008-07-02 | 鞍钢股份有限公司 | High-strength medium plate production process |
| CN101549364A (en) * | 2009-05-15 | 2009-10-07 | 首钢总公司 | Method of using hot tandem rolling broad strip mill to produce steel plate for ship hull structure use |
| CN203757359U (en) * | 2014-03-06 | 2014-08-06 | 胡杰 | Inverted-U-shaped steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19601172A1 (en) * | 1995-07-18 | 1997-01-23 | Pflug Jochen Dipl Ing Fh | Honeycomb sandwich core structure of paper plastics or fabric |
| CN1515365A (en) * | 2003-08-28 | 2004-07-28 | 武钢集团汉口轧钢厂 | Cold-bent central beam for manufacturing railway carriage |
| CN2723569Y (en) * | 2004-08-22 | 2005-09-07 | 张军强 | 'u' shape steel beam |
| CN1775390A (en) * | 2005-12-09 | 2006-05-24 | 广东韶钢松山股份有限公司 | Medium-thick plate production process |
| CN101209456A (en) * | 2006-12-27 | 2008-07-02 | 鞍钢股份有限公司 | High-strength medium plate production process |
| CN101168224A (en) * | 2007-11-30 | 2008-04-30 | 攀钢集团攀枝花钢铁研究院 | Heating and forming method for cold bending sectional steel and cold bending sectional steel produced by the same |
| CN101549364A (en) * | 2009-05-15 | 2009-10-07 | 首钢总公司 | Method of using hot tandem rolling broad strip mill to produce steel plate for ship hull structure use |
| CN203757359U (en) * | 2014-03-06 | 2014-08-06 | 胡杰 | Inverted-U-shaped steel |
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