CN103831295B - The rolling equipment of H profile steel with ribbing and production method thereof - Google Patents
The rolling equipment of H profile steel with ribbing and production method thereof Download PDFInfo
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- CN103831295B CN103831295B CN201410118152.1A CN201410118152A CN103831295B CN 103831295 B CN103831295 B CN 103831295B CN 201410118152 A CN201410118152 A CN 201410118152A CN 103831295 B CN103831295 B CN 103831295B
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Abstract
The invention discloses a kind of rolling equipment and production method thereof of H profile steel with ribbing.Rolling equipment comprises for the rolling device of rolling H profile steel with ribbing body and the rib milling train for rolling out rib and lower rib on described H profile steel body with ribbing; Described rib milling train has upper horizontal roll and lower horizontal roll, and the central shaft of described upper horizontal roll and the central shaft of described lower horizontal roll are parallel to each other and symmetrical up and down about described web.Described milling method comprises the BD split rolling method technique of blank being carried out to roughing; Tandem rolling is carried out to roll out the omnipotent finish rolling rolling mill practice of H profile steel body with ribbing to the blank after the roughing of BD split rolling method technique, after omnipotent finish rolling rolling mill practice, adopts rib milling train on H profile steel body with ribbing, roll out rib and lower rib.The present invention saves production cycle and the manufacturing cost of Liao Gang structure manufacturing enterprise by technique scheme, avoids the weld crack problem that welding ribbed belt is come simultaneously, improves stability and the rigidity of H profile steel with ribbing.
Description
Technical field
The present invention relates to steel rolling and building field, particularly a kind of rolling equipment of H profile steel with ribbing and production method thereof.
Background technology
Steel reinforced concrete structure can increase substantially component load-bearing ability, rigidity, thus reduces the sectional dimension of component, has that fire protecting performance is good, a structure partial and resistance to overturning is good, save the advantage of steel.In addition, it possesses good ductility, can improve the anti-seismic performance of component, is particularly suitable for the places such as the higher skyscraper of shockproof requirements, subway platform, underpass.
Usual steel reinforced concrete structure forms by the inner embedding shaped steel of armored concrete or weldable steel component, and the kind of institute's distribution type steel has H profile steel, I-steel, angle steel, channel-section steel etc.Adopt crack Stochastic propagation under the effect of load that H profile steel with ribbing can avoid shaped steel and concrete binding site to occur, and then affect the strength and stiffness of whole steel reinforced concrete structure, in prior art, by welded connections (as peg, channel-section steel, curved muscle etc.) inside shape steel web and on the edge of a wing to form H profile steel with ribbing, adopt welding manner, can significantly increase labour intensity, process-cycle and manufacturing cost.
Summary of the invention
In order to solve the problem, one aspect of the present invention provides a kind of rolling equipment of H profile steel with ribbing, and it comprises: comprise the rolling device for rolling H profile steel body with ribbing, and described H profile steel body with ribbing comprises web, left wing's edge and right flank edge; Described web is between described left wing edge and described right flank edge and be connected with described left wing edge and described right flank edge respectively, also comprises: the rib milling train with upper horizontal roll and lower horizontal roll, for rolling out rib and lower rib on described H profile steel body with ribbing; The central shaft of described upper horizontal roll and the central shaft of described lower horizontal roll are parallel to each other and symmetrical up and down about described web; On described horizontal roll side with described on the edges and corners of the crossing formation in left side of horizontal roll be provided with described on the first upper groove pass of form fit of rib, on described horizontal roll side with described on the edges and corners of the crossing formation in right side of horizontal roll be provided with described on the second upper groove pass of form fit of rib, the side of described lower horizontal roll and the edges and corners of the crossing formation in left side of described lower horizontal roll are provided with the first low groove pass with the form fit of described lower rib; The side of described lower horizontal roll and the edges and corners of the crossing formation in right side of described lower horizontal roll are provided with the second low groove pass with the form fit of described lower rib; Wherein, described H profile steel with ribbing comprises described H profile steel body with ribbing, described upper rib and described lower rib, described upper rib is formed in the upper angle that is connected to form with described left wing edge and described right flank edge respectively by described web, described lower rib is formed in the lower angle that is connected to form with described left wing edge and described right flank edge respectively by described web, and described upper angle and described lower angle lay respectively at above and below described web.
In rolling equipment as above, preferably, described first upper groove pass and described second upper groove pass are about perpendicular to the plane symmetry in the middle part of described web; Described first low groove pass and described second low groove pass are about perpendicular to the plane symmetry in the middle part of described web.
In rolling equipment as above, preferably, described first upper groove pass and described first low groove pass symmetrical up and down about described web; Described second upper groove pass and described second low groove pass symmetrical up and down about described web.
In rolling equipment as above, preferably, along the circumference of the left side of described upper horizontal roll, be spacedly distributed multiple first upper groove pass; Along the circumference of the right side of described upper horizontal roll, be spacedly distributed multiple second upper groove pass; Along the circumference of the left side of described lower horizontal roll, be spacedly distributed multiple first low groove pass; Along the circumference of the right side of described lower horizontal roll, be spacedly distributed multiple second low groove pass.
In rolling equipment as above, preferably, the quantity of described first upper groove pass and described second upper groove pass is two; The quantity of described first low groove pass and described second low groove pass is two.
In rolling equipment as above, preferably, from the notch of described first upper groove pass on the direction of the bottom land of described first upper groove pass, the thickness of described first upper groove pass is thinning gradually; Described second upper groove pass, described first low groove pass are all identical with the shape of described first upper groove pass with the shape of described second low groove pass.
In rolling equipment as above, preferably, described first upper groove pass, described second upper groove pass, described first low groove pass and described second low groove pass groove side are separately intersected at respective bottom land.
In rolling equipment as above, preferably, described first upper groove pass, described second upper groove pass, described first low groove pass and described second low groove pass groove side are separately smooth surface.
In rolling equipment as above, preferably, described rolling device comprises:
Another aspect provides a kind of production method of H profile steel with ribbing, it comprises: the BD split rolling method technique of blank being carried out to roughing; Tandem rolling is carried out to roll out the omnipotent finish rolling rolling mill practice of H profile steel body with ribbing to the blank after the roughing of described BD split rolling method technique, also comprise: after described omnipotent finish rolling rolling mill practice, adopt rib milling train to roll out rib and lower rib on described H profile steel body with ribbing; Wherein, H profile steel with ribbing comprises described H profile steel body with ribbing, described upper rib and described lower rib, described upper rib is formed in the upper angle that is connected to form with described top flange and described lower flange respectively by described web, described lower rib is formed in the lower angle that is connected to form with described top flange and described lower flange respectively by described web, described upper angle and described lower angle lay respectively at described web above and below; Described rib milling train is the rib milling train in aforementioned rolling equipment.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
H profile steel with ribbing is produced by adopting the rolling equipment of H profile steel with ribbing, the hot rolling achieving H profile steel with ribbing is one-body molded, drastically reduce the area welding job amount, improve manufacture efficiency, thus significantly save production cycle and the manufacturing cost of Liao Gang structure manufacturing enterprise, avoid the weld crack problem that welding ribbed belt is come simultaneously, improve stability and the rigidity of H profile steel with ribbing, and then improve the rigidity and bearing capacity that H profile steel with ribbing is combined with concrete.And manufacturing process is simple, reasonable in design, energy-conservation, environmental protection.
Accompanying drawing explanation
The generalized section of the H profile steel a kind of with ribbing that Fig. 1 provides for the embodiment of the present invention one;
The schematic perspective view of a kind of upper horizontal roll that Fig. 2 provides for the embodiment of the present invention one;
The structural representation of a kind of rib milling train that Fig. 3 provides for the embodiment of the present invention one and H profile steel body with ribbing.
What Fig. 4 provided for the embodiment of the present invention one a kind ofly contains 1 to the schematic perspective view of upper rib and 1 to the H profile steel with ribbing of lower rib.
Fig. 5 is the explosive decomposition schematic diagram (schematic diagram the actual rib that is integrated and H profile steel body (comprising the edge of a wing, web) are peeled away) of Fig. 4.
A kind of schematic perspective view peeled off in the V-shaped upper rib of the cross sectional shape of H profile steel with ribbing or lower rib that Fig. 6 provides for the embodiment of the present invention one.
The generalized section of the H profile steel a kind of with ribbing that Fig. 7 provides for the embodiment of the present invention one.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
When construction of buildings, in order to improve the security performance of building, adopt steel reinforced concrete structure more, namely the structure formed at the inner embedding shaped steel of armored concrete, the kind of this shaped steel has H profile steel etc., in order to improve shaped steel and concrete conjugation further, H profile steel with ribbing can be adopted, see Fig. 1, it comprises H profile steel body with ribbing, upper rib 31 and lower rib 32, H profile steel body with ribbing has a left side, right flank edge and web 1, web 1 respectively with a left side, right flank edge connects and is positioned at a left side, between right flank edge, formation section like this is the H profile steel body (i.e. H profile steel) with ribbing of H.Above web 1, web 1 has been connected to form two upper angles 41 respectively with left wing edge 21 and right flank edge 22, is formed with rib 31 on arbitrary in angle 41; Below web 1, web 1 has been connected to form two lower angles 42 with left wing edge 21 and right flank edge 22 respectively, is formed with lower rib 32 in angle once 42 in office.Preferably, the top of upper angle 41 and lower angle 42 is arc chord angle, i.e. R angle.Upper rib 31 and lower rib 32 all carry out hot rolling formation with the roll of the groove pass of upper rib 31 and lower rib 32 form fit by being provided with on H profile steel body with ribbing, namely H profile steel body with ribbing and upper rib 31, lower rib 32 are integrally formed by hot rolling, so significantly can save production cycle and the manufacturing cost of Gang Gou manufacturing enterprise, avoiding the weld crack problem because welding upper rib or lower ribbed belt simultaneously, improve stability and the rigidity of whole H profile steel with ribbing.
In order to produce above-mentioned H profile steel with ribbing, see Fig. 2-Fig. 3, the embodiment of the present invention one provides a kind of rolling equipment of H profile steel with ribbing, comprises for the rolling device of rolling H profile steel with ribbing body and the rib milling train for rolling out rib 31 and lower rib 32 on H profile steel body with ribbing.Wherein, rolling device comprises: for obtaining the conticaster of blank; For the heating furnace heated blank; For carrying out the BD blooming mill of roughing to the blank after heating furnace heating; And for carrying out tandem rolling to the blank after the roughing of BD blooming mill to obtain the mm finishing mill unit of H profile steel body with ribbing.
Particularly, rib milling train has the upper horizontal roll 51 for rolling out upper rib 31 and the lower horizontal roll 52 for rolling out lower rib 32.See Fig. 2, in the side 512 of upper horizontal roll 51, corner angle 510 place that formed crossing with the left side 511 of upper horizontal roll 51 is provided with the first upper groove pass, in the side 512 of upper horizontal roll 51, the edges and corners that formed crossing with the right side 513 of upper horizontal roll 51 are provided with the second upper groove pass, first upper groove pass and the second upper groove pass all with the form fit of upper rib 31 so that roll out rib 31.In the side of lower horizontal roll 52, the edges and corners of the crossing formation in left side of lower horizontal roll 52 are provided with the first low groove pass, in the side of lower horizontal roll 52, the edges and corners of the crossing formation in right side of lower horizontal roll 52 are provided with the second low groove pass, first low groove pass and the second low groove pass all with the form fit of lower rib 32 so that roll out lower rib 32.During application, upper horizontal roll 51 and lower horizontal roll 52 lay respectively at above and below web 1, and upper horizontal roll 51 and lower horizontal roll 52 with respective central shaft be parallel to each other mode arrange, the left and right end face of upper horizontal roll 51 fits in the left and right edge of a wing respectively, and the left and right end face of lower horizontal roll 52 fits in the left and right edge of a wing respectively.In order to the R angle place at H profile steel body with ribbing rolls out rib 31 or lower rib 32, the side of upper horizontal roll 51 and lower horizontal roll 52 is arc chord angle with the angle of its respective crossing formation of left and right end face, its radian is identical with the radian at R angle, so that the laminating at angle and R angle.
Bearing capacity after the upper rib 31 gone out to make hot rolling or lower rib 32 are combined with H profile steel body with ribbing is strong, and the first upper groove pass and the second upper groove pass are to arrange about the mode perpendicular to the plane symmetry in the middle part of web 1; First low groove pass and the second low groove pass are to arrange about the mode perpendicular to the plane symmetry in the middle part of web 1.Preferably, the first upper groove pass and the first low groove pass are to arrange about the laterally zygomorphic mode of web 1; Second upper groove pass and the second low groove pass are to arrange about the laterally zygomorphic mode of web 1, so make aforementioned four passes in a plane, further enhancing the upper rib 31 that rolls out through corresponding pass or lower rib 32 be combined with H profile steel body with ribbing after bearing capacity.
In order to improve H profile steel with ribbing and concrete bond strength, length direction along left wing's edge 21 or right flank edge 22 arranges multiple upper rib 31 and multiple lower rib 32 at equal intervals, so along the circumference of upper horizontal roll 51 left side, be spacedly distributed in the side of upper horizontal roll 51 and the edges and corners of the crossing formation in left side of upper horizontal roll 51 multiple first upper groove pass, along in the circumference of upper horizontal roll 51 right side, be spacedly distributed in the side of upper horizontal roll 51 and the edges and corners of the crossing formation in right side of upper horizontal roll 51 multiple second upper groove pass; Along the circumference of lower horizontal roll 52 left side, be spacedly distributed in the side of lower horizontal roll 52 and the edges and corners of the crossing formation in left side of lower horizontal roll 52 multiple first low groove pass, along the circumference of lower horizontal roll 52 right side, be spacedly distributed in the side of lower horizontal roll 52 and the edges and corners of the crossing formation in right side of lower horizontal roll 52 multiple second low groove pass.In other words, the circumference circle of above horizontal roll 51 and lower horizontal roll 52 is element length, be intervally distributed with N number of first upper groove pass and N number of second upper groove pass this element length is first-class, with N number of first low groove pass and N number of second low groove pass, then on the length direction of left wing's edge 21 or right flank edge 22, the N number of upper rib 31 rolled out through upper horizontal roll 51 and lower horizontal roll 52 and N number of lower rib 32 are spacedly distributed, upper horizontal roll left side circumference circle/N is spaced apart between the N number of upper rib that N number of first upper groove groove rolling goes out, upper horizontal roll right side circumference circle/N is spaced apart between the N number of upper rib that N number of second upper groove groove rolling goes out, horizontal roll left side circumference circle/N under being spaced apart between the N number of lower rib that N number of first low groove groove rolling goes out, horizontal roll right side circumference circle/N under being spaced apart between the N number of lower rib that N number of second low groove groove rolling goes out, N is natural number.See Fig. 2, show and be provided with two the first upper groove passes 71,81 on upper horizontal roll 51, two the second upper groove passes 72,82, two the first upper groove passes 71,81 are arranged at equal intervals, are spaced apart the half of left side girth; Then through the upper rib 31 that the first upper groove groove rolling goes out, on the length direction of left wing's edge 21, the interval between multiple upper rib 31 is the half of left side girth.In like manner, through the upper rib 31 that the second upper groove groove rolling goes out, on the length direction of right flank edge 22, the interval between multiple upper rib 31 is the half of right side girth.When being distributed with rib 31 or lower rib 32 on one on this element length, on the length direction of left wing's edge 21 or right flank edge 22, the girth being spaced apart left side or right side between the multiple upper rib 31 be spacedly distributed or lower rib 32.In reality, spacing between multiple upper rib 31 can by the interval adjustment between the interval between multiple first upper groove pass or multiple second upper groove pass, and the spacing between multiple lower rib 32 can by the interval adjustment between the interval between multiple first low groove pass or multiple second low groove pass.
First upper groove pass, the second upper groove pass, the first low groove pass are all identical with the shape of the second low groove pass, so make the technique of rib or lower rib in rolling simple.Preferably, corresponding recesses pass is on the direction of respective notch to respective bottom land, respective thickness is thinning gradually, and wherein the thickness of each groove pass all refers to that the length direction L(of each groove pass in H profile steel with ribbing is see Fig. 4) on size, refer to the direction perpendicular to paper in figure 3.Further preferably, the respective groove side of the first upper groove pass, the second upper groove pass, the first low groove pass and the second low groove pass is intersected at respective bottom land.For the ease of hot rolling, the groove side of the first upper groove pass, the second upper groove pass, the first low groove pass and the second low groove pass is smooth surface.The shape of the first upper groove pass, the second upper groove pass, the first low groove pass and the second low groove pass is preferably V-type or U-shaped.In fig. 2, the shape of each pass is V-type.
In order to understand the shape that the above-mentioned each groove pass mentioned is described better, can adopt and be assisted the shape of the rib utilizing groove pass to be formed, the shape below with regard to rib is described.
Fig. 4 ~ 6 schematically illustrate shape and the structure of the rib formed on H profile steel body with ribbing.Upper rib 31 and lower rib 32 are all formed in upper angle 41 and in lower angle 42 by the mode of hot rolling respectively, namely go up rib 31 and lower rib 32 with by web 1, the H profile steel body with ribbing that top flange 21 and lower flange 22 are formed is integrally formed, that is, web 1, top flange 21 and lower flange 22 form H profile steel body with ribbing by hot rolling, then go up rib 31 and lower rib 32 all to be formed with the hot-rolled ribbed H profile steel body of roll of the groove pass of upper rib 31 and lower rib 32 form fit by being provided with, and then form H profile steel with ribbing, in other words, by web 1, after top flange 21 and lower flange 22 form H profile steel body with ribbing, upper rib 31 and lower rib 32 is formed by hot rolling, H profile steel with ribbing is integrally formed thus by hot rolling.When constructing, this H profile steel with ribbing, owing to being make rib and web, the edge of a wing form one by hot rolling, arranging rib in addition compared to by welding manner, decreases labour intensity, shorten construction period, reach the object of energy-conserving and environment-protective.
Above rib 31 illustrates the shape of each rib for example below, with reference to H profile steel body with ribbing shown in Fig. 7, upper rib 31 is formed in the position of the angle 41 in the upper left corner, upper rib extends to the direction away from upper angle top 410 from the top 410 of upper angle 41, the so-called direction away from upper angle top, refer to the upper rib 31 being positioned at the upper angle above web 1 and being formed, (be positioned at O from the top of upper angle to upper right
1a
1the direction of arrow and O
1b
1direction between the direction of arrow), right direction (O
1a
1the direction of arrow) or upper direction (O
1b
1the direction of arrow) extend.
The thickness of upper rib 31 is thinning gradually to the direction away from upper angle top 410 from the top 410 of upper angle 41; Wherein, the thickness of upper rib refers to the size of rib 31 on the length direction L of H profile steel with ribbing, refer to perpendicular to the size on paper direction in the figure 7, be described to form the upper thickness of rib to upper rib in upper angle in the figure 7, the surface connected with left wing edge 21 of upper rib 31, along the direction (O in Fig. 7 of the point connected with web away from left wing's edge
1b
1the direction of arrow), its thickness is more and more less; The face connected with web 1 of upper rib 31, along the direction (O in Fig. 7 of the point connected with web away from left wing's edge
1a
1the direction of arrow), its thickness is more and more less; The section of upper rib 31 (in Fig. 7 with perpendicular to paper direction and comprise the cross section of the point that top flange connects with web), (is positioned at O along the direction of the point connected with web away from left wing's edge
1a
1the direction of arrow and O
1b
1direction between the direction of arrow), its thickness is more and more less.The shape of the rib that other position is formed is identical therewith, and the direction that just thickness is thinning is different, repeats no longer one by one herein.Preferably, upper rib 31 or lower rib 32 are respectively perpendicular to web 1 and top flange 21 or lower flange 22.
About the annexation on rib and web and the left and right edge of a wing, above rib 31 is that example is described with the annexation of web 1 and left wing's edge 21.Go up the front surface of rib and the annexation of rear surface and web and left wing's edge for convenience of explanation, illustrate with the upper rib peeled off in H profile steel with ribbing, see Fig. 6, the shape of upper rib 31 is V-shaped, and it comprises front surface 312, rear surface (surface relative with front surface), upper face 314, lower surface 313, middle part surface 315.Middle part surface 315 correspondence of upper rib 31 fits in the top 410 of the upper angle that web 1 and left wing's edge 21 are formed, and the lower surface 313 of upper rib 31 is connected with web 2 one, and the upper face 314 of upper rib is integrally connected with left wing edge 21.If the shape of upper rib is V-shaped, front surface 312 and rear surface away from the direction at angle top intersect at a line, in other embodiments, front surface and rear surface can be non-intersect and form the plane or curved surface that two ends and web and the edge of a wing connect respectively in the left side of Fig. 6.In reality, because upper rib 31 is formed as one by hot rolling and web and the left and right edge of a wing, in actual product, upper face, lower surface and middle part surface are not the face of necessary being, be only used to the annexation being convenient to rib and web 1 and left wing's edge are described and the upper rib in the real upper rib that is integrated and web and the left and right edge of a wing is stripped out, and the upper and lower angle that web is formed with the left and right edge of a wing respectively for smoothly transit fillet time, upper face 314, line of demarcation between lower surface 313 and middle part surface 315 would not exist.About the front surface of lower rib and the annexation on rear surface and web and the left and right edge of a wing description can see the aforementioned front surface about upper rib and rear surface respectively with the description content of the annexation of web and left wing's edge, repeat no longer one by one herein.The beneficial effect that the embodiment of the present invention one is brought is as follows:
H profile steel with ribbing is produced by adopting the rolling equipment of H profile steel with ribbing, the hot rolling achieving H profile steel with ribbing is one-body molded, drastically reduce the area welding job amount, improve manufacture efficiency, thus significantly save production cycle and the manufacturing cost of Liao Gang structure manufacturing enterprise, avoid the weld crack problem that welding ribbed belt is come simultaneously, improve stability and the rigidity of H profile steel with ribbing, and then improve the rigidity and bearing capacity that H profile steel with ribbing is combined with concrete.And manufacturing process is simple, reasonable in design, energy-conservation, environmental protection.
Another embodiment of the present invention additionally provides a kind of production method of H profile steel with ribbing, and the rolling equipment provided by above-mentioned enforcement one is produced.
Particularly, this production method comprises:
Blank is carried out to the BD split rolling method technique of roughing;
Wherein, before carrying out roughing to blank, also need the blank continuous casting process being obtained blank by conticaster, then blank is entered heating furnace heating, then the blank after heating is carried out roughing by BD blooming mill, wherein, blank is preferably square billet or near-net-shape Hot Metal in Beam Blank.
Tandem rolling is carried out to roll out the omnipotent finish rolling rolling mill practice of H profile steel body with ribbing to the blank after the roughing of BD split rolling method technique;
Wherein, the blank after roughing becomes H profile steel body with ribbing through mm finishing mill unit continuous rolling.
After omnipotent finish rolling rolling mill practice, adopt rib milling train on H profile steel body with ribbing, roll out rib and lower rib.
Wherein, the concrete structure of rib milling train can see in embodiment one about the description of rib milling train, repeat no longer one by one herein, during use, upper horizontal roll and the lower horizontal roll of rib milling train lay respectively at the upper of web, below, and the angle of upper horizontal roll is fitted with the upper angle of left wing's edge and right flank edge respectively, the angle of the lower horizontal roll of rib milling train is fitted with the lower angle of left wing's edge and right flank edge respectively, owing to being provided with the pass corresponding with upper rib and lower rib at the edge and corner position of upper horizontal roll and lower horizontal roll, so the upper angle that can be connected to form with left wing's edge and right flank edge respectively at web by rib milling train and lower angle roll out rib and lower rib.In practice, upper horizontal roll and the lower horizontal roll of rib milling train can be arranged separately, can also adopt the upper horizontal roll of last group milling train in mm finishing mill unit and lower horizontal roll.
In sum, the beneficial effect that brings of another embodiment of the present invention is as follows:
H profile steel with ribbing is produced by adopting the rolling equipment of H profile steel with ribbing, the hot rolling achieving H profile steel with ribbing is one-body molded, drastically reduce the area welding job amount, improve manufacture efficiency, thus significantly save production cycle and the manufacturing cost of Liao Gang structure manufacturing enterprise, avoid the weld crack problem that welding ribbed belt is come simultaneously, improve stability and the rigidity of H profile steel with ribbing, and then improve the rigidity and bearing capacity that H profile steel with ribbing is combined with concrete.And manufacturing process is simple, reasonable in design, energy-conservation, environmental protection.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (10)
1. a rolling equipment for H profile steel with ribbing, comprises the rolling device for rolling H profile steel body with ribbing, and described H profile steel body with ribbing comprises web, left wing's edge and right flank edge; Described web is between described left wing edge and described right flank edge and be connected with described left wing edge and described right flank edge respectively, and it is characterized in that, described rolling equipment also comprises:
There is the rib milling train of upper horizontal roll and lower horizontal roll, for rolling out rib and lower rib on described H profile steel body with ribbing;
The central shaft of described upper horizontal roll and the central shaft of described lower horizontal roll are parallel to each other and symmetrical up and down about described web;
On described horizontal roll side with described on the edges and corners of the crossing formation in left side of horizontal roll be provided with described on the first upper groove pass of form fit of rib,
On described horizontal roll side with described on the edges and corners of the crossing formation in right side of horizontal roll be provided with described on the second upper groove pass of form fit of rib,
The side of described lower horizontal roll and the edges and corners of the crossing formation in left side of described lower horizontal roll are provided with the first low groove pass with the form fit of described lower rib;
The side of described lower horizontal roll and the edges and corners of the crossing formation in right side of described lower horizontal roll are provided with the second low groove pass with the form fit of described lower rib;
Wherein, described H profile steel with ribbing comprises described H profile steel body with ribbing, described upper rib and described lower rib, described upper rib is formed in the upper angle that is connected to form with described left wing edge and described right flank edge respectively by described web, described lower rib is formed in the lower angle that is connected to form with described left wing edge and described right flank edge respectively by described web, and described upper angle and described lower angle lay respectively at above and below described web.
2. rolling equipment according to claim 1, is characterized in that, described first upper groove pass and described second upper groove pass are about perpendicular to the plane symmetry in the middle part of described web;
Described first low groove pass and described second low groove pass are about perpendicular to the plane symmetry in the middle part of described web.
3. rolling equipment according to claim 2, is characterized in that, described first upper groove pass and described first low groove pass symmetrical up and down about described web;
Described second upper groove pass and described second low groove pass symmetrical up and down about described web.
4. rolling equipment according to claim 3, is characterized in that, along the circumference of the left side of described upper horizontal roll, be spacedly distributed multiple first upper groove pass;
Along the circumference of the right side of described upper horizontal roll, be spacedly distributed multiple second upper groove pass;
Along the circumference of the left side of described lower horizontal roll, be spacedly distributed multiple first low groove pass;
Along the circumference of the right side of described lower horizontal roll, be spacedly distributed multiple second low groove pass.
5. rolling equipment according to claim 4, is characterized in that, the quantity of described first upper groove pass and described second upper groove pass is two;
The quantity of described first low groove pass and described second low groove pass is two.
6. rolling equipment according to claim 1, is characterized in that,
From the notch of described first upper groove pass on the direction of the bottom land of described first upper groove pass, the thickness of described first upper groove pass is thinning gradually, wherein, the thickness of described first upper groove pass is the size of described first upper groove pass on the length direction of described H profile steel with ribbing;
Described second upper groove pass, described first low groove pass are all identical with the shape of described first upper groove pass with the shape of described second low groove pass.
7. rolling equipment according to claim 6, is characterized in that, described first upper groove pass, described second upper groove pass, described first low groove pass and described second low groove pass groove side are separately intersected at respective bottom land.
8. rolling equipment according to claim 7, is characterized in that, described first upper groove pass, described second upper groove pass, described first low groove pass and described second low groove pass groove side are separately smooth surface.
9. rolling equipment according to claim 1, is characterized in that, described rolling device comprises:
Conticaster, for obtaining blank;
Heating furnace, for heating described blank;
BD blooming mill, for carrying out roughing to the blank after described heating furnace heating; And
Mm finishing mill unit, for carrying out tandem rolling to obtain described H profile steel body with ribbing to the blank after the roughing of described BD blooming mill.
10. a production method for H profile steel with ribbing, adopt the rolling equipment in claim 1-9 described in arbitrary claim to produce this H profile steel with ribbing, described production method comprises: the BD split rolling method technique of blank being carried out to roughing; Tandem rolling is carried out to roll out the omnipotent finish rolling rolling mill practice of H profile steel body with ribbing to the blank after the roughing of described BD split rolling method technique, it is characterized in that, described production method also comprises: after described omnipotent finish rolling rolling mill practice, adopts described rib milling train to roll out rib and lower rib on described H profile steel body with ribbing;
Wherein, H profile steel with ribbing comprises described H profile steel body with ribbing, described upper rib and described lower rib, described upper rib is formed in the upper angle that is connected to form with described left wing edge and described right flank edge respectively by described web, described lower rib is formed in the lower angle that is connected to form with described left wing edge and described right flank edge respectively by described web, and described upper angle and described lower angle lay respectively at above and below described web.
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| CN201410118152.1A CN103831295B (en) | 2014-03-27 | 2014-03-27 | The rolling equipment of H profile steel with ribbing and production method thereof |
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| CN103831295B true CN103831295B (en) | 2015-11-18 |
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| CN110257711A (en) * | 2019-07-05 | 2019-09-20 | 常州市中宇合金轧辊厂 | A kind of shape rolling mill S rack nickel molybdenum vanadium alloy ferrosteel roll |
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| JPS5935802A (en) * | 1982-08-25 | 1984-02-27 | Kawasaki Steel Corp | Production of rough shape billet for h-beam using flat billet as blank material |
| JPH01143701A (en) * | 1987-11-27 | 1989-06-06 | Kawasaki Steel Corp | Preforming method for beam blank |
| JPH0332403A (en) * | 1989-06-28 | 1991-02-13 | Sumitomo Metal Ind Ltd | Production of ribbed steel plate |
| JPH03248701A (en) * | 1990-02-27 | 1991-11-06 | Kawasaki Steel Corp | Rolling method of shape steel |
| JP2000280001A (en) * | 1999-03-30 | 2000-10-10 | Sumitomo Metal Ind Ltd | High-precision rolling method of h-shaped steel |
| CN101495250A (en) * | 2006-07-26 | 2009-07-29 | 阿久曼特有限公司 | Method for producing panels ribbed on one or both sides |
| JP5037418B2 (en) * | 2008-04-21 | 2012-09-26 | 新日本製鐵株式会社 | Rolling method for section steel with flange |
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| JPS56136202A (en) * | 1980-03-28 | 1981-10-24 | Topy Ind Ltd | Method and apparatus for manufacturing h-beam |
| JPS5935802A (en) * | 1982-08-25 | 1984-02-27 | Kawasaki Steel Corp | Production of rough shape billet for h-beam using flat billet as blank material |
| JPH01143701A (en) * | 1987-11-27 | 1989-06-06 | Kawasaki Steel Corp | Preforming method for beam blank |
| JPH0332403A (en) * | 1989-06-28 | 1991-02-13 | Sumitomo Metal Ind Ltd | Production of ribbed steel plate |
| JPH03248701A (en) * | 1990-02-27 | 1991-11-06 | Kawasaki Steel Corp | Rolling method of shape steel |
| JP2000280001A (en) * | 1999-03-30 | 2000-10-10 | Sumitomo Metal Ind Ltd | High-precision rolling method of h-shaped steel |
| CN101495250A (en) * | 2006-07-26 | 2009-07-29 | 阿久曼特有限公司 | Method for producing panels ribbed on one or both sides |
| JP5037418B2 (en) * | 2008-04-21 | 2012-09-26 | 新日本製鐵株式会社 | Rolling method for section steel with flange |
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