CN101628303A - Device and method for controlling horizontal bending of steel rail - Google Patents
Device and method for controlling horizontal bending of steel rail Download PDFInfo
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- CN101628303A CN101628303A CN200910305550A CN200910305550A CN101628303A CN 101628303 A CN101628303 A CN 101628303A CN 200910305550 A CN200910305550 A CN 200910305550A CN 200910305550 A CN200910305550 A CN 200910305550A CN 101628303 A CN101628303 A CN 101628303A
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- rail
- steel rail
- cooling bed
- steel
- turning device
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 63
- 239000010959 steel Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005452 bending Methods 0.000 title abstract 4
- 238000001816 cooling Methods 0.000 claims abstract description 57
- 238000005096 rolling process Methods 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The invention discloses a device and a method for controlling the horizontal tortuosity of a steel rail, which can effectively reduce the horizontal tortuosity of the steel rail. The device for controlling the horizontal tortuosity of the steel rail comprises a steel rail collecting cooling bed, wherein a turnover device capable of turning over is arranged on the steel rail collecting cooling bed. The method for controlling the horizontal bending of the steel rail comprises the following steps: a. placing the side of the steel rail after final rolling on a steel rail collection cooling bed for cooling; b. and turning the steel rail by using a turning device in the cooling process. Through the turning device, the horizontal bending degree of the steel rail can be controlled within 50mm/25m on the steel rail collection cooling bed, and is obviously reduced compared with the previous 300 mm-750 mm/25m, so that the steel rail is turned over and cooled on the steel rail collection cooling bed, the horizontal bending degree of the steel rail can be controlled on a follow-up straightener conveniently, and the steel rail turning device is particularly suitable for being popularized and used in cooling of various steel rails.
Description
Technical field
The present invention relates to a kind of method of producing the device of rail, especially relate to a kind of device and method of controlling horizontal tortuosity of steel rail.
Background technology
At present, fast development along with China Express Railway, the high-speed overload railway is more and more higher to the requirement of rail, especially the horizontal glacing flatness of rail is brought up to 0.45mm/1.5m from initial 0.7mm/1.5m, increase rate has reached more than 30%, therefore under original manufacturing condition, the production technology difficulty that produce the high straightness rail also significantly improves.
The horizontal glacing flatness of rail is as important indicator of rail quality, concerning production technology, the horizontal tortuosity of rail influenced very big before the horizontal glacing flatness of rail was aligned, that is to say, the antecurvature curvature of steel rail straightening is big more, the horizontal glacing flatness quality of aligning back rail is not easy control more, but under the working condition of traditional rail, this section process was tided in steel rail collection cooling bed before rail came out to aligning from finishing rolling mill, and rail is to adopt adjacent pattern of rows and columns to produce collecting on the cold bed, specifically sees Fig. 1.Because cold bed upper and lower part cooling condition is asymmetric, cause the rail top and the bottom to produce 5 ℃～70 ℃ of temperature differences, side sway song when finally causing rail cool to room temperature state is bigger, has reached 300mm～750mm/25m, has had a strong impact on the horizontal glacing flatness quality of rail.
Summary of the invention
Technical problem to be solved by this invention provides a kind of device and method that reduces the control horizontal tortuosity of steel rail of horizontal tortuosity of steel rail.
The technical solution adopted for the present invention to solve the technical problems is: the device of control horizontal tortuosity of steel rail, comprise steel rail collection cooling bed, and steel rail collection cooling bed is provided with the turning device that can make rotary movement.
As the preferred version of technique scheme, described turning device is the linkage that is hinged on the steel rail collection cooling bed below and is positioned at the steel rail collection cooling bed both sides.
The method of control horizontal tortuosity of steel rail may further comprise the steps:
A, the rail after the finish to gauge is sidelong on steel rail collection cooling bed cools off;
B, in cooling procedure, utilize turning device that rail is overturn.
Further be in step b, to utilize turning device with 180 ℃ of rail turnovers.
Further be that the rail temperature after the finish to gauge is between 800 ℃～1050 ℃; When the temperature of rail is reduced between 600 ℃～850 ℃, adopt turning device that rail is overturn.
The invention has the beneficial effects as follows: by the turning device that is provided with, after rail is cooled to certain temperature, adopt turning device with the rail turnover certain angle, caught a cold in other position of rail, thereby make that the cooling of rail is even, can make that rail cooled horizontal tortuosity on steel rail collection cooling bed is less.After adopting this method, the horizontal tortuosity of rail can be controlled in the 50mm/25m on the steel rail collection cooling bed, 300mm～750mm/25m significantly reduces, therefore, by cooling that rail is overturn on steel rail collection cooling bed, also be beneficial on follow-up straightener the horizontal tortuosity of control rail, be particluarly suitable for promoting the use of in the cooling of various rail.
Description of drawings
Fig. 1 is the cooling schematic diagram of rail on steel rail collection cooling bed in the prior art;
Fig. 2 is the cooling schematic diagram of rail of the present invention on steel rail collection cooling bed.
Be labeled as among the figure: steel rail collection cooling bed 1, turning device 2, rail 3, the direction of arrow is the direction of motion of rail when cooling off on steel rail collection cooling bed among the figure.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 2, the device of control horizontal tortuosity of steel rail of the present invention comprises steel rail collection cooling bed 1, and steel rail collection cooling bed 1 is provided with the turning device 2 that can make rotary movement.Method of its control rail 3 cooling may further comprise the steps: a, the rail after the finish to gauge 3 is sidelong on steel rail collection cooling bed 1 cools off; B, in cooling procedure, utilize turning device 2 that rail 3 is overturn.Being rail 3 enters steel rail collection cooling bed 1 to the inlet (Fig. 2 is right-hand) of steel rail collection cooling bed 1 and arranges cooling from the finishing rolling mill back of coming out, because in cooling procedure, the below radiating condition of rail 3 far is worse than the radiating condition of top, therefore, after rail 3 is cooled to certain temperature, adopt turning device 2 that rail 3 is flipped an angle, caught a cold in other position of rail 3, thereby make that the cooling of rail 3 is even, can make that rail 3 cooled horizontal tortuosity on steel rail collection cooling bed 1 is less.After adopting this method, on steel rail collection cooling bed 1, the horizontal tortuosity of rail 3 can be controlled in the 50mm/25m, 300mm～750mm/25m significantly reduces, therefore, by cooling that rail 3 is overturn, also be beneficial to the horizontal tortuosity of control rail 3 on straightener on steel rail collection cooling bed 1.
In the above-described embodiment, turning device 2 can be arranged on the upset dividing plate at steel rail collection cooling bed 1 middle part, or adopts the tilting gear of the prior art operation of overturning.As preferred mode, described turning device 2 is the linkage that is hinged on steel rail collection cooling bed 1 below and is positioned at steel rail collection cooling bed 1 both sides.Linkage simple in structure, and this bar structure is arranged on steel rail collection cooling bed 1 both sides, the balance of rail 3 in the time of can being beneficial to upset.When needs overturn, make the linkage in the present embodiment rotate and rail 3 can be overturn, and make the power of this linkage upset can adopt motor, hydraulic cylinder etc., or directly manually finish its upset and get final product around pin joint.
In the above embodiment, can make it reach the purpose of evenly catching a cold with rail 3 upset is arbitrarily angled, but, if flip angle is less, then need repeatedly to overturn and to reach catching a cold evenly of whole rail 3 everywhere, as optimal way, in step b, utilize turning device 2 with 180 ℃ of rail 3 upsets.Then when rail 3 is overturn, only need once inside out can reach the purpose that rail 3 is evenly caught a cold.
In addition, in the above embodiment, the temperature after rail 3 comes out from finishing rolling mill is the even cooling of better control rail 3 between 800 ℃～1050 ℃, when the temperature of rail 3 when 800 ℃～1050 ℃ are reduced between 600 ℃～850 ℃, adopt turning device 2 that rail 3 is overturn.
Embodiment 1:
Claims (5)
1. the device of control horizontal tortuosity of steel rail comprises steel rail collection cooling bed (1), and it is characterized in that: steel rail collection cooling bed (1) is provided with the turning device (2) that can make rotary movement.
2. the device of control horizontal tortuosity of steel rail as claimed in claim 1 is characterized in that: described turning device (2) is the linkage that is hinged on below the steel rail collection cooling bed (1) and is positioned at steel rail collection cooling bed (1) both sides.
3. control the method for horizontal tortuosity of steel rail, may further comprise the steps:
A, the rail after the finish to gauge (3) is sidelong on steel rail collection cooling bed (1) cools off;
B, in cooling procedure, utilize turning device (2) that rail (3) is overturn.
4. the method for control horizontal tortuosity of steel rail as claimed in claim 3 is characterized in that: in step b, utilize turning device (2) with 180 ℃ of rail (3) upsets.
5. as the method for claim 3 or 4 described control horizontal tortuosity of steel rail, it is characterized in that: the rail after the finish to gauge (3) temperature is between 800 ℃～1050 ℃; When the temperature of rail (3) is reduced between 600 ℃～850 ℃, adopt turning device (2) that rail (3) is overturn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910305550A CN101628303A (en) | 2009-08-12 | 2009-08-12 | Device and method for controlling horizontal bending of steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910305550A CN101628303A (en) | 2009-08-12 | 2009-08-12 | Device and method for controlling horizontal bending of steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101628303A true CN101628303A (en) | 2010-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910305550A Pending CN101628303A (en) | 2009-08-12 | 2009-08-12 | Device and method for controlling horizontal bending of steel rail |
Country Status (1)
| Country | Link |
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| CN (1) | CN101628303A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844150A (en) * | 2010-05-18 | 2010-09-29 | 攀钢集团钢铁钒钛股份有限公司 | Universal rolling technology for rails |
| CN117816771A (en) * | 2024-03-04 | 2024-04-05 | 四川明珠电工材料有限责任公司 | Online flaw detection device of continuous extrusion machine |
-
2009
- 2009-08-12 CN CN200910305550A patent/CN101628303A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844150A (en) * | 2010-05-18 | 2010-09-29 | 攀钢集团钢铁钒钛股份有限公司 | Universal rolling technology for rails |
| CN101844150B (en) * | 2010-05-18 | 2011-10-05 | 攀钢集团钢铁钒钛股份有限公司 | Universal rolling technology for rails |
| CN117816771A (en) * | 2024-03-04 | 2024-04-05 | 四川明珠电工材料有限责任公司 | Online flaw detection device of continuous extrusion machine |
| CN117816771B (en) * | 2024-03-04 | 2024-05-14 | 四川明珠电工材料有限责任公司 | Online flaw detection device of continuous extrusion machine |
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Application publication date: 20100120 |