CN107952826B - Straightening equipment for high-speed rail or frog and straightening method thereof - Google Patents
Straightening equipment for high-speed rail or frog and straightening method thereof Download PDFInfo
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- CN107952826B CN107952826B CN201711147467.9A CN201711147467A CN107952826B CN 107952826 B CN107952826 B CN 107952826B CN 201711147467 A CN201711147467 A CN 201711147467A CN 107952826 B CN107952826 B CN 107952826B
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- driving device
- straightening
- frog
- cross beam
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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
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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Abstract
The invention discloses a straightening device for a high-speed rail or a frog and a straightening method thereof, and the straightening device comprises a rack, wherein a workbench is arranged in the rack, a fixed cross beam is arranged on one side of the workbench, a movable cross beam is arranged on the opposite side of the workbench, a first driving device is arranged at the end part of the rack, the output end of the first driving device is connected with the movable cross beam, the end parts of the fixed cross beam and the movable cross beam are detachably connected with a top head, a first rack and a second rack are arranged on two sides of the rack, a second driving device is arranged in the first rack, the output end of the second driving device is connected with a lifting roller, a third driving device is arranged in the second rack, the output end of the third driving device is connected with a slide rail, and one or more slide blocks are arranged on the slide rail in a sliding manner. The straightening method can ensure that the finally straightened high-speed rail or frog has better flatness through the straightening equipment for the high-speed rail or frog.
Description
Technical Field
The invention belongs to the technical field of metallurgical steel rolling equipment, and particularly relates to straightening equipment for a high-speed rail or a frog, and a straightening method for the high-speed rail or the frog.
Background
The mileage of high-speed rail in China has leaped the first in the world, and at present, a plurality of high-speed rail projects are also in the process of active construction. The steel rail and the frog are used as core equipment in high-speed rail construction, the requirements on the precision and the quality are very strict, straightening or top bending treatment needs to be carried out on the steel rail and the frog in the installation process, and the required engineering standard is absolutely accurate. At present, the traditional rail pressure straightening method is mostly adopted in engineering, the method is low in efficiency, the straightened flatness is poor, and the method is not suitable for the requirement of rapid development of high-speed rails at present, so that the improvement of the method is very needed.
Disclosure of Invention
The invention aims to provide a straightening device for a high-speed rail or a frog, which solves the problems of low working efficiency and poor straightening and leveling when the high-speed rail or the frog is straightened.
The second purpose of the invention is to provide a straightening method of a high-speed rail or a frog, which solves the problems of low working efficiency and poor straightening precision when the high-speed rail or the frog is straightened.
The invention adopts a first technical scheme that the straightening equipment for high-speed rail or frog comprises a case, wherein a workbench is arranged in the case, a fixed cross beam is arranged on one side of the workbench, a movable cross beam is arranged on the opposite side of the workbench, a first driving device is arranged at the end part of the case, the output end of the first driving device is connected with the movable cross beam, the end parts of the fixed cross beam and the movable cross beam are detachably connected with a top head, a first frame and a second frame are arranged on two sides of the case, a second driving device is arranged in the first frame, the output end of the second driving device is connected with a lifting roller, a third driving device is arranged in the second frame, the output end of the third driving device is connected with a sliding rail, and one or more sliding blocks are arranged on the sliding rail in a sliding manner.
The first technical scheme of the invention also has the following characteristics:
the case is a C-shaped case, and the workbench is positioned in the middle of the C-shaped case.
The first driving device, the second driving device and the third driving device are all piston cylinders.
The second rack is provided with a plurality of guide sleeves, a support rod is arranged in each guide sleeve in a sliding mode, and the end portion of each support rod is fixedly connected to the lower side of the corresponding sliding rail.
The second technical scheme adopted by the invention is that the straightening method of the high-speed rail or the frog is implemented according to the following steps:
step 1, starting a second driving device, and putting an object to be straightened into a workbench through a lifting roller;
step 2, starting a third driving device to enable the sliding rail to ascend, adjusting the position of the sliding block in the process, ensuring that the sliding block is positioned under the object to be straightened, and closing the third driving device when the sliding block is jacked under the object to be straightened and is level with the object to be straightened;
step 3, starting the first driving device until the top on the movable cross beam is pressed against the side part of the object to be straightened, and then closing the first driving device to carry out specific straightening work;
and 4, after the specific straightening work is finished, starting the first driving device to enable the top head on the movable cross beam to be away from the object to be straightened, then starting the second driving device to take out the object to be straightened through the lifting roller, and finally starting the third driving device until the slide rail is lowered to the lowest position.
The invention has the beneficial effects that: the straightening equipment for the high-speed rail or the frog is mainly used for straightening the high-speed rail or the frog, can ensure that the straightening work can be smoothly carried out, and the high-speed rail or the frog can be always kept stable in the process without tipping, thereby ensuring that the high-speed rail or the frog finally has better precision; the invention relates to a straightening method of a high-speed rail or a frog, which can ensure that the finally straightened high-speed rail or frog has better flatness through the straightening equipment for the high-speed rail or the frog.
Drawings
FIG. 1 is a front view of a straightening apparatus for a high speed rail or frog of the present invention;
fig. 2 is a top view of a straightening apparatus for a high-speed railway rail or frog according to the invention.
In the figure, 1, a machine box, 2, a slide rail, 3, a slide block, 4, a lifting roller, 5, a workbench, 6, a top head, 7, a first driving device, 8, a second machine frame, 9, a third driving device, 10, a first machine frame, 11, a second driving device, 12, a movable beam, 13, a supporting rod, 14, a fixed beam and 15 guide sleeves.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the description of the attached drawings and the specific embodiment.
As shown in fig. 1, the straightening device for a high-speed rail or a frog comprises a machine case 1, wherein a workbench 5 is arranged in the machine case 1, a fixed cross beam 14 is arranged on one side of the workbench 5, a movable cross beam 12 is arranged on the opposite side, a first driving device 7 is arranged at the end part of the machine case 1, the output end of the first driving device 7 is connected with the movable cross beam 12, the end parts of the fixed cross beam 14 and the movable cross beam 12 are detachably connected with a top head 6, a first machine frame 10 and a second machine frame 8 are arranged on two sides of the machine case 1, a second driving device 11 is arranged in the first machine frame 10, the output end of the second driving device 11 is connected with a lifting roller 4, a third driving device 9 is arranged in the second machine frame 8, a sliding rail 2 is connected to the output end of the third driving device 9, and one or more sliding blocks 3.
The machine case 1 is a C-shaped machine case, the workbench 5 is arranged in the middle of the C-shaped machine case, and the first driving device 7, the second driving device 11 and the third driving device 9 can be piston cylinders or stepping motors.
When the straightening equipment for the high-speed rail or the frog works, the second driving device 11 is started, the second driving device 11 controls the lifting roller 4 to convey the high-speed rail or the frog to be straightened to the workbench 5, the third driving device 9 is started during the period, the third driving device 9 drives the sliding rail 2 to move upwards, the worker adjusts the position of the sliding block 3 to ensure that the sliding block 3 is positioned below the high-speed rail or the frog to be straightened and cannot incline, and finally the first driving device 7 is started, the output end of the first driving device 7 drives the top 6 on the movable cross beam 12 to press the side part of the high-speed rail or the frog to be straightened to be fixed, so that the high-speed rail and the frog can be straightened under the stable condition, and the high-speed rail and the frog can be machined to have better flatness.
As shown in fig. 2, the second frame 8 is provided with a plurality of guide sleeves 15, each guide sleeve 15 is slidably provided with a support rod 13 therein, and the upper end of each support rod 13 is fixedly connected to the lower side of the slide rail 2.
The supporting rod 13 is slidably arranged in the guide sleeve 15, on one hand, the up-and-down movement of the sliding rail 2 can be guided, and on the other hand, the sliding block 3 can be padded under the high-speed rail or frog to be straightened more stably.
The invention discloses a straightening method of a high-speed rail or a frog, which is carried out by straightening equipment based on the high-speed rail or the frog, and is implemented by the following steps:
step 1, starting a second driving device, and putting an object to be straightened into a workbench through a lifting roller;
step 2, starting a third driving device to enable the sliding rail to ascend, adjusting the position of the sliding block in the process, ensuring that the sliding block is positioned under the object to be straightened, and closing the third driving device when the sliding block is jacked under the object to be straightened and is level with the object to be straightened;
step 3, starting the first driving device until the top on the movable cross beam is pressed against the side part of the object to be straightened, and then closing the first driving device to carry out specific straightening work;
and 4, after the specific straightening work is finished, starting the first driving device to enable the top 6 on the movable cross beam to be away from the object to be straightened, then starting the second driving device to take the object to be straightened out through the lifting rollers 4, and finally starting the third driving device until the slide rail 3 is lowered to the lowest position.
Therefore, the straightening equipment for the high-speed rail or the frog is mainly used for straightening the high-speed rail or the frog, can ensure that the straightening work can be smoothly carried out, can always keep the high-speed rail or the frog stable in the process, cannot tip over, and finally ensures that the high-speed rail or the frog has better precision. The straightening method for the high-speed rail or the frog is realized by the straightening equipment for the high-speed rail or the frog, and can ensure that the finally straightened high-speed rail or the frog has better flatness.
Claims (4)
1. The straightening equipment for the high-speed rail or the frog is characterized by comprising a case (1), wherein a workbench (5) is arranged in the case (1), a fixed cross beam (14) is arranged on one side of the workbench (5), a movable cross beam (12) is arranged on the opposite side, a first driving device (7) is arranged at the end part of the case (1), the output end of the first driving device (7) is connected with the movable cross beam (12), the end parts of the fixed cross beam (14) and the movable cross beam (12) are detachably connected with a top head (6), a first rack (10) and a second rack (8) are arranged on the two sides of the case (1), a second driving device (11) is arranged in the first rack (10), the output end of the second driving device (11) is connected with a lifting roller (4), a third driving device (9) is arranged in the second rack (8), the output end of the third driving device (9) is connected with a sliding rail (2), the third driving device (9) can enable the sliding rail (2) to lift, and one or more sliding blocks (3) are arranged on the sliding rail (2) in a sliding manner; the case (1) is a C-shaped case, and the workbench (5) is positioned in the middle of the C-shaped case.
2. Straightening arrangement for high-speed railway rails or frog according to claim 1, characterized in that the first (7), second (8) and third (10) drive means are piston cylinders.
3. The straightening apparatus for high-speed railway rails or frog according to claim 2, characterized in that the second frame (8) is provided with a plurality of guide sleeves (15), a support rod (13) is slidably arranged in each guide sleeve (15), and the end of each support rod (13) is fixedly connected to the lower side of the corresponding slide rail (2).
4. A method for straightening a high-speed railway rail or frog, which is carried out by the straightening equipment for the high-speed railway rail or frog according to any one of claims 1 to 3, and is characterized by comprising the following steps:
step 1, starting a second driving device (11), and putting an object to be straightened into a workbench (5) through a lifting roller (4);
step 2, starting a third driving device (9) to enable the sliding rail (2) to ascend, adjusting the position of the sliding block (3) in the process, ensuring that the sliding block (3) is positioned right below the object to be straightened, and closing the third driving device (9) when the sliding block (3) is jacked below the object to be straightened and is level with the object to be straightened;
step 3, starting the first driving device (7) until the top (6) on the movable cross beam (12) is pressed against the side part of the object to be straightened, and then closing the first driving device (7) to carry out specific straightening work;
and 4, after the specific straightening work is finished, starting the first driving device (7) to enable the top on the movable cross beam (14) to be far away from the object to be straightened, then starting the second driving device (11), taking the object to be straightened out through the lifting roller (4), and finally starting the third driving device (9) until the sliding rail (2) is lowered to the lowest position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147467.9A CN107952826B (en) | 2017-11-17 | 2017-11-17 | Straightening equipment for high-speed rail or frog and straightening method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711147467.9A CN107952826B (en) | 2017-11-17 | 2017-11-17 | Straightening equipment for high-speed rail or frog and straightening method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107952826A CN107952826A (en) | 2018-04-24 |
| CN107952826B true CN107952826B (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711147467.9A Active CN107952826B (en) | 2017-11-17 | 2017-11-17 | Straightening equipment for high-speed rail or frog and straightening method thereof |
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| CN (1) | CN107952826B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6264422A (en) * | 1985-09-18 | 1987-03-23 | Japanese National Railways<Jnr> | Vertical straightening method for local collapse of long rail |
| CN201729627U (en) * | 2010-08-03 | 2011-02-02 | 青岛港（集团）有限公司 | Trolley track correcting tool |
| CN203541171U (en) * | 2013-09-25 | 2014-04-16 | 常州东方高精新材料股份有限公司 | Elevator guide rail bend full-automatic straightener |
| JP5561233B2 (en) * | 2011-04-12 | 2014-07-30 | 新日鐵住金株式会社 | Rail straightening device |
| CN107282703A (en) * | 2017-06-28 | 2017-10-24 | 滁州南钢盛达实业有限公司 | A kind of H steel apparatus for correcting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204171209U (en) * | 2014-10-28 | 2015-02-25 | 浙江德盛铁路器材股份有限公司 | A kind of rail leveling conveyer |
-
2017
- 2017-11-17 CN CN201711147467.9A patent/CN107952826B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6264422A (en) * | 1985-09-18 | 1987-03-23 | Japanese National Railways<Jnr> | Vertical straightening method for local collapse of long rail |
| CN201729627U (en) * | 2010-08-03 | 2011-02-02 | 青岛港（集团）有限公司 | Trolley track correcting tool |
| JP5561233B2 (en) * | 2011-04-12 | 2014-07-30 | 新日鐵住金株式会社 | Rail straightening device |
| CN203541171U (en) * | 2013-09-25 | 2014-04-16 | 常州东方高精新材料股份有限公司 | Elevator guide rail bend full-automatic straightener |
| CN107282703A (en) * | 2017-06-28 | 2017-10-24 | 滁州南钢盛达实业有限公司 | A kind of H steel apparatus for correcting |
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| Publication number | Publication date |
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| CN107952826A (en) | 2018-04-24 |
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