CN105728503B - Improve rail and rectify rear homogeneity of fault plane device arrangement - Google Patents
Improve rail and rectify rear homogeneity of fault plane device arrangement Download PDFInfo
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- CN105728503B CN105728503B CN201610128630.6A CN201610128630A CN105728503B CN 105728503 B CN105728503 B CN 105728503B CN 201610128630 A CN201610128630 A CN 201610128630A CN 105728503 B CN105728503 B CN 105728503B
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- rail
- straightener
- uniforming device
- spacing
- straightening machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
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Abstract
The present invention relates to steel rail rolling field, especially a kind of rail that improves rectifys rear homogeneity of fault plane device arrangement.The technical problems to be solved by the invention, which are to provide one kind, makes the elongated specification of rail more uniform, and reduces residual stress, while the improvement rail that rail is more stably sent into next process rectifys rear homogeneity of fault plane device arrangement.The technical solution adopted by the present invention to solve the technical problems is：Improve rail and rectify rear homogeneity of fault plane device arrangement, including rail to be rolled, including horizontal straightener and vertical straightening machine, rail specification uniforming device is provided between the horizontal straightener and vertical straightening machine, the rail to be rolled passes through horizontal straightener, rail specification uniforming device and vertical straightening machine successively.The present invention is smaller to original structure change, but can improve the quality of product more on high control precision, is particularly suitable for using among seamed high-speed steel rail straightening process.
Description
Technical field
The present invention relates to steel rail rolling field, especially a kind of rail that improves rectifys rear homogeneity of fault plane device arrangement.
Background technology
Rail is aligned using flat vertical compound straightening technique when seamed high-speed steel rail is aligned.Wherein, vertical compound straightening is put down
Machine is made of horizontal straightener and vertical straightening machine, and horizontal straightener is generally 7~11 rollers, and vertical straightening machine is generally 5~9
Roller.After rail completes the curved aligning of above-below direction in horizontal straightener, by between horizontal straightener and vertical straightening machine
Centering guider enter vertical straightening machine carry out the curved aligning of left and right directions.But control of such mode to precision
Make poor, it is difficult to meet the quality of production requirement of seamed high-speed steel rail.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, makes the elongated specification of rail more uniform, and reduces remaining answer
Power, while the improvement rail that rail is more stably sent into next process rectifys rear homogeneity of fault plane device arrangement.
The technical solution adopted by the present invention to solve the technical problems is：Improve rail and rectify rear homogeneity of fault plane device arrangement
Structure, including rail to be rolled, including horizontal straightener and vertical straightening machine, set between the horizontal straightener and vertical straightening machine
Rail specification uniforming device is equipped with, the rail to be rolled by horizontal straightener, rail specification uniforming device and is stood successively
Formula straightener.
It is further, including last roller center line of horizontal straightener and first roller of rail specification uniforming device
Preceding spacing Lh between center line, the preceding spacing Lh >=L1+Dh/2+L2+D1/2+ (1.3m~1.5m), wherein：L1 is level
Straightener outlet guide length, Dh are horizontal straightener straightening ring maximum functional diameter, and L2 enters for rail specification uniforming device
Mouth guide and guard length, D1 is rail specification uniforming device roll maximum gauge.
It is further, including first roller center line of last roller center line of uniforming device and vertical straightening machine
Between rear spacing Lv, it is described after spacing Lv meet：1.5Dv ＜ Lv ＜ Lh and Lv=(0.45~0.3) × (Lh+Lv), wherein：
Dv is vertical straightening machine maximum functional roller diameter.
It is further, including the breast roller centreline space in rail specification uniforming device is away from L, the breast roller
Centreline space meets L=l1+d1/2+l2+d2/2+ (1.3m~1.5m) away from L, and wherein l1 is in rail specification uniforming device the
One rack outlet guide and guard length, d1 are roll maximum functional diameter in first rack, and l2 is second rack entrance
Guide and guard length, d2 are roll maximum gauge in second rack.
The beneficial effects of the invention are as follows：The present invention is additionally arranged rail rule between horizontal straightener and vertical straightening machine first
Lattice uniforming device, steel rail straightness remedies control after can so being homogenized with implementation specification, while, it can also coordinate straight
Compound straightening machine completes the fully optimized to rail profile specification, so as to make the elongated specification of rail more uniform, reduces remaining answer
Power, send rail into next process Simultaneous Stabilization.The present invention is smaller to original structure change, but can be controlled in higher
Improve the quality of product in precision, be particularly suitable for using among seamed high-speed steel rail straightening process.
Brief description of the drawings
Fig. 1 is the arrangement schematic diagram of the present invention.
In figure mark for：Horizontal straightener 1, rail specification uniforming device 2, vertical straightening machine 3, rail to be rolled 4, preceding
Away from Lh, rear spacing Lv.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Improvement rail as shown in Figure 1 rectifys rear homogeneity of fault plane device arrangement, including rail to be rolled 4, including level
Straightener 1 and vertical straightening machine 3, rail specification uniforming device is provided between the horizontal straightener 1 and vertical straightening machine 3
2, the rail 4 to be rolled passes through horizontal straightener 1, rail specification uniforming device 2 and vertical straightening machine 3 successively.
Between 2 first roller center lines of last roller center line of horizontal straightener 1 and rail specification uniforming device
Preceding spacing Lh is the spacing distance of horizontal straightener 1 and rail specification uniforming device 2, and rail specification uniforming device 2 is most
Rear spacing Lv between the latter roller center line and first roller center line of vertical straightening machine 3 is that rail specification is uniformly disguised
Put 2 spacing distances for arriving vertical straightening machine 3.The definite method that described two spacing distances determine is identical, it determines that principle is as follows：
1st, deformation of the rail 4 to be rolled in neighbouring device is not disturbed.Mutual rail is equal in horizontal straightener 1 and rail specification
Do not produce and interfere when being deformed in homogenizer 2, i.e., the deformation of rail in last 1 to 2 straightening roll of horizontal straightener 1 with
Running orbit will not be influenced be subject to the 1st group of roller deformation stress of rail specification uniforming device 2.Equally, rail 4 to be rolled is vertical
Do not produce and interfere when straightener 3 in rail specification uniforming device 2 with deforming, i.e., the 1st to 2 of vertical straightening machine 3 is rectified
Deformation of rail and running orbit in straight roller will not be influenced be subject to 2 last 1 groups of roller deformation stress of rail specification uniforming device.
2nd, ensure that rail 4 to be rolled is in a relatively free state before entering next equipment.What horizontal straightener came out
End of rail enters the elastic and plastic properties formed before rail specification uniforming device 2 without horizontal aligning and deforms, in a phase
To free state, in order to which guide and guards and rail specification uniforming device 2 depress roller energy steady operation, it is not knocked.Equally,
The end of rail that rail specification uniforming device 2 comes out has not had what specification was formed after homogenizing before entering vertical straightening machine 3
Elastic and plastic properties deform, and in an opposite free state, easy to guide and guards and the energy steady operation of vertical straightening machine 3, are not hit
Hit.
3rd, ensure the installation site of guide and guards, there is the installation that enough spaces are used for guide and guards.
In practical application, it is particularly important that setting for preceding spacing Lh and rear spacing Lv, so-called preceding spacing Lh, refers to water
Spacing between 2 first roller center lines of last roller center line of flat straightener 1 and rail specification uniforming device, after described
Spacing Lv, refers between last the roller center line of rail specification uniforming device 2 and first roller center line of vertical straightening machine 3
Rear spacing Lv.It is therein, in last roller center line of horizontal straightener 1 and 2 first rollers of rail specification uniforming device
Preceding spacing Lh between heart line, spacing Lh >=L1+Dh/2+L2+D1/2+ (1.3m~1.5m) before should meeting, wherein：L1 is level
Straightener outlet guide length, Dh are straightening ring maximum functional diameter, and L2 is rail specification uniforming device inlet guide length,
D1 is roll maximum gauge.For first roller center line of last the roller center line of uniforming device 2 and vertical straightening machine 3
Between rear spacing Lv should meet：1.5Dv ＜ Lv ＜ Lh and Lv=(0.45~0.3) × (Lh+Lv), wherein：Dv rectifys to be vertical
Straight machine maximum functional roller diameter, wherein parameter (0.45~0.3) are to be aligned to adjust rail specification uniforming device 2 in level
Relative position ratio between machine 1 and vertical straightening machine 3.
In addition, in actual set, the distance that neighbouring device is not knocked selects, i.e., minimum range ensures.It is first
First to ensure that the rolled piece into next equipment is completely in a free state, can according to the intensity of rail, coefficient of elasticity and into
Enter the case of bending before next equipment to be calculated.It is general to choose in product mix maximum yield strength, maximum specification, standard most
The big calculating for allowing curvature into line space：With reference to practical experience, illustrated with following Examples：Maximum specification 75kg/m rail,
Yield strength be up to 880MPa, it is maximum it is overproof on when bending to 0.6mm/m, enter next set by dead weight free and stable
Standby minimum length is 16.3m.If it is considered that the impact resistance 100KN of guide and guard, then its minimum length is 6.5m；Maximum specification
75kg/m rail, yield strength be up to 880MPa, it is maximum it is overproof under when bending to 0.2mm/m, impact reaches
The minimum length of (design allows maximum impact) is 6.2m during 100KN；Maximum specification 75kg/m rail, yield strength maximum reach
To 880MPa, it is maximum it is overproof bend right and left reach 0.4mm/m when, (design allows maximum hit when impact reaches 100KN
Power) minimum length be 7.6m.Wherein, shock factor determines to consider that spacing causes greatly very much production line too long during spacing, at the same time
Also operation stability of the rail when neighbouring device bites at the same time is influenced.Therefore it need to consider that certain impact force is born in guide and guard, one
As be maximum impact force 80%.
In addition, also there are the definite problem of spacing between 2 rack of rail specification uniforming device.Homogenized for rail specification
Determination of distance between the rack of the same size item of device 2：Including the breast roller center line in rail specification uniforming device 2
Spacing L, the breast roller centreline space meet that L=l1+d1/2+l2+d2/2+ (1.3m~1.5m), wherein l1 are rail away from L
First rack outlet guide and guard length in specification uniforming device 2, d1 are roll maximum functional diameter in first rack,
L2 is second rack inlet guide length, and d2 is roll maximum gauge in second rack.Wherein, it is wide, bottom width is equal
Definite method of the definite method of spacing with the high-homogenized rack spacing of rail between homogenizer interior framework.In addition, advised for rail
Spacing determines between the different size item unit of lattice uniforming device 2：First, it is identical for deformation direction, a wide, bottom width specification
Definite method of its definite method of spacing with spacing between above-mentioned same size item rack between item rack group；2nd, for deformation side
Determined to different rail height spacing between the wide unit of bottom width, then need to consider the relation of mutual deformation effect.But rail is in bottom width
(if bottom width unit arrange in-orbit high unit after) or wide (if a wide unit is arranged after an in-orbit high unit) direction by
During power, left and right directions while stress, are not in slip of the rail in pass, the stress in high unit in-orbit to rail
It will not be had an impact with rail movement locus, therefore its definite method of spacing between a wide or bottom width and rail high standard item rack group
With the definite method of spacing between same size item rack.
Embodiment
Certain beam-and-rail factory increases a set of rail specification between the horizontal straightener of an omnipotent line and vertical straightening machine and uniformly disguises
2 (abbreviation RDD devices) are put, to adapt to the various rail kinds rolled, the layout between straightener and the RDD devices uses
Mode is as follows：
Spacing Lh between first roller center line of last roller center line of horizontal straightener 1 and RDD devices：
Horizontal straightener outlet guide length L1=(0.7~0.9) straightening ring maximum functional diameter Dh (1.2m), and rail
Specification uniforming device inlet guide length L2=(1.0~1.2) roll maximum dimension D 1 (0.4m).Then horizontal straightener 1 is most
Spacing between first roller center line of the latter roller center line and RDD devices:Lh >=L1+1.2/2+L2+0.4/2+1.3~
1.5=1.1+1.2/2+0.2+1.5=3.4m.Maximum specification 75kg/m rail, yield strength are up to 880MPa, and level is rectified
Gap length between first roller center line of straight last roller center line of machine and RDD devices is taken as 7m.
Spacing Lv between 3 first roller center lines of vertical straightening machine and RDD devices last roller center lines：
Calculated according to Lv=(0.45~0.3) × (Lh+Lv), coefficient is taken as 0.4
Lv=4.7 meters
The distance between RDD device rollers determine：D1=d2=0.4m
L=l1+d1/2+l2+d2/2+1.3~1.5=0.6+0.4/2+0.7+0.4/2+1.3=3 meters
Straightening process integral layout is:The centre-to-centre spacing of horizontal last roller of straightener 1 to RDD firsts is 7m, RDD two
Frame center spacing is 3 meters, and the second framves of RDD are with the first roller center of vertical straightening machine away from for 4.7 meters.Combined and led using this arrangement form
The effect defended effectively prevent the sideslip problem of rail.
Claims (2)
1. improving rail rectifys rear homogeneity of fault plane device arrangement, including rail to be rolled (4), it is characterised in that：Including level
Straightener (1) and vertical straightening machine (3), it is equal to be provided with rail specification between the horizontal straightener (1) and vertical straightening machine (3)
Homogenizer (2), the rail (4) to be rolled is successively by horizontal straightener (1), rail specification uniforming device (2) and vertical
Straightener (3)；
Including last roller center line of horizontal straightener (1) and (2) first roller center lines of rail specification uniforming device it
Between preceding spacing Lh, the preceding spacing Lh >=L1+Dh/2+L2+D1/2+ (1.3m~1.5m), wherein：L1 goes out for horizontal straightener
Mouth guide and guard length, Dh are horizontal straightener straightening ring maximum functional diameter, and L2 is that rail specification uniforming device inlet guide is grown
Degree, D1 is rail specification uniforming device roll maximum gauge；
After between last roller center line of uniforming device (2) and first roller center line of vertical straightening machine (3)
Spacing Lv, the rear spacing Lv satisfactions：1.5Dv ＜ Lv ＜ Lh and Lv=(0.45~0.3) × (Lh+Lv), wherein：Dv is vertical
Straightener maximum functional roller diameter.
2. improving rail as claimed in claim 1 rectifys rear homogeneity of fault plane device arrangement, it is characterised in that：Including rail
Breast roller centreline space in specification uniforming device (2) meets L=l1+d1/ away from L, the breast roller centreline space away from L
2+l2+d2/2+ (1.3m~1.5m), wherein l1 are first rack outlet guide and guard length in rail specification uniforming device (2),
D1 is roll maximum functional diameter in first rack, and l2 is second rack inlet guide length, and d2 is described second
Roll maximum gauge in a rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610128630.6A CN105728503B (en) | 2016-03-08 | 2016-03-08 | Improve rail and rectify rear homogeneity of fault plane device arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610128630.6A CN105728503B (en) | 2016-03-08 | 2016-03-08 | Improve rail and rectify rear homogeneity of fault plane device arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105728503A CN105728503A (en) | 2016-07-06 |
| CN105728503B true CN105728503B (en) | 2018-04-13 |
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ID=56250077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610128630.6A Active CN105728503B (en) | 2016-03-08 | 2016-03-08 | Improve rail and rectify rear homogeneity of fault plane device arrangement |
Country Status (1)
| Country | Link |
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| CN (1) | CN105728503B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634624B (en) * | 2021-07-22 | 2023-03-28 | 武汉钢铁有限公司 | Method for controlling steel rail symmetry in straightening process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2514950Y (en) * | 2001-11-02 | 2002-10-09 | 北新建材(集团)有限公司 | Straightening machine for profile |
| CN201291255Y (en) * | 2008-11-20 | 2009-08-19 | 攀枝花钢铁(集团)公司 | High-temperature rail straightener |
| CN101579696A (en) * | 2009-07-03 | 2009-11-18 | 攀枝花新钢钒股份有限公司 | Method for improving steel rail straightening blind area |
| CN101602164A (en) * | 2009-07-21 | 2009-12-16 | 攀枝花新钢钒股份有限公司 | Rail straghtener |
| CN103071703A (en) * | 2013-02-19 | 2013-05-01 | 中冶赛迪工程技术股份有限公司 | Section steel straightening device and method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2502191B2 (en) * | 1990-11-27 | 1996-05-29 | 新日本製鐵株式会社 | Straightening method for coiled steel pipe |
| JP3754190B2 (en) * | 1997-09-03 | 2006-03-08 | 新日本製鐵株式会社 | Rail straightening method |
-
2016
- 2016-03-08 CN CN201610128630.6A patent/CN105728503B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2514950Y (en) * | 2001-11-02 | 2002-10-09 | 北新建材(集团)有限公司 | Straightening machine for profile |
| CN201291255Y (en) * | 2008-11-20 | 2009-08-19 | 攀枝花钢铁(集团)公司 | High-temperature rail straightener |
| CN101579696A (en) * | 2009-07-03 | 2009-11-18 | 攀枝花新钢钒股份有限公司 | Method for improving steel rail straightening blind area |
| CN101602164A (en) * | 2009-07-21 | 2009-12-16 | 攀枝花新钢钒股份有限公司 | Rail straghtener |
| CN103071703A (en) * | 2013-02-19 | 2013-05-01 | 中冶赛迪工程技术股份有限公司 | Section steel straightening device and method |
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| Publication number | Publication date |
|---|---|
| CN105728503A (en) | 2016-07-06 |
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