CN220012741U - Bainite rail flash of light soldered connection heat treatment heat preservation device - Google Patents
Bainite rail flash of light soldered connection heat treatment heat preservation device Download PDFInfo
- Publication number
- CN220012741U CN220012741U CN202222547313.1U CN202222547313U CN220012741U CN 220012741 U CN220012741 U CN 220012741U CN 202222547313 U CN202222547313 U CN 202222547313U CN 220012741 U CN220012741 U CN 220012741U
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- China
- Prior art keywords
- heat
- frame
- steel rail
- heat preservation
- heat treatment
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- 238000004321 preservation Methods 0.000 title claims abstract description 48
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 229910001563 bainite Inorganic materials 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 238000003466 welding Methods 0.000 claims abstract description 33
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 230000001012 protector Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000010583 slow cooling Methods 0.000 abstract description 3
- 230000006032 tissue transformation Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003832 thermite Substances 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 230000009026 tissue transition Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model discloses a heat treatment and heat preservation device for a flash welding head of a bainite steel rail, and particularly relates to the technical field of heat treatment and heat preservation of bainite steel rails. According to the utility model, the clamping heat-preserving components are arranged, the steel rail is supported through the heat-preserving base plate through corresponding matched use of the structures, so that the deformation caused by unstable clamping and fixing of the steel rail after welding is avoided, the stability of the steel rail when the steel rail is welded together is improved, the heat preservation and slow cooling are carried out after the welding of the steel rail by the heat-preserving base plate are finished, so that the rail head welding seam can be slowly cooled, the tissue transformation at the rail head welding seam is ensured to be sufficient, the influence of different normalizing temperatures on the microstructure and hardness distribution of the welding joint is conveniently studied, the stability of the steel rail when the steel rail is welded together is improved, and the steel rail welding device is convenient to use and has good practicability.
Description
Technical Field
The utility model relates to the technical field of heat treatment and heat preservation of bainite steel rails, in particular to a heat treatment and heat preservation device for a flash welding head of a bainite steel rail.
Background
In recent years, china's railways develop to two directions of high speed and heavy load, the higher requirement is put forward on the wear resistance of steel rails, thermite welding is one of the main modes of steel rail welding in China, the quality of a bainitic steel rail thermite welding head is improved, bainitic transformation has transitivity, the bainitic transformation has close relation with eutectoid decomposition and martensitic transformation of supercooled austenite, in a higher temperature area, both upper bainitic transformation and pearlite transformation have diffusivity, carbon atoms can diffuse for a long time, iron atoms and alloy element atoms can diffuse at a very small speed, the diffusion speed of the carbon atoms is slowed down along with the temperature being reduced below a ' nose temperature ' of a bainitic transformation phase diagram, iron atoms and alloy element atoms are difficult to diffuse, a great deal of work is carried out on bainitic transformation theory and tissue structure by academic students at home and abroad, steel types and production processes of different components are designed, different series bainitic steels are formed, in order to reduce residual stress of weld joints and heat affected zones, more precipitates in the weld joints are avoided, the number of horizontal cracks of the weld joints are reduced, and a heat treatment device is needed.
The utility model patent of patent application number shellfish CN213013014U discloses a heat treatment heat preservation device for a bainite steel rail flash welding head, which comprises a heat preservation cover matched with a steel rail head, wherein the heat preservation cover comprises a shell on the outer side and a high-temperature resistant heat preservation layer positioned on the inner side of the shell, two ends of the heat preservation cover are fixedly provided with magnets, and the magnets are used for enabling the heat preservation device to be firmly buckled on the steel rail head;
when the structure is used, the heat preservation device is buckled on the rail head of the steel rail through the magnet to preserve heat and slowly cool, so that the welding seam of the rail head can be slowly cooled, but the structure can only adapt to a single rail head at a time when in use, and lack of linkage, and meanwhile, the structure is difficult to realize the function of assisting in positioning the rail head of the steel rail when buckled on the rail head of the steel rail.
Disclosure of Invention
The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art. In order to overcome the defects in the prior art, the utility model provides a heat treatment and heat preservation device for a bainite steel rail flash welding head, which aims to solve the problems that the structure can only adapt to a single steel rail head at a time when in use, the linkage is lacking, and the structure is difficult to realize the function of assisting in positioning the steel rail head when being buckled on the steel rail head.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the heat treatment and heat preservation device for the bainite steel rail flash welding head comprises a support frame, wherein a clamping and heat preservation assembly is arranged on the support frame;
the clamping heat-insulating assembly comprises a supporting frame arranged on a supporting frame, a heat-insulating substrate used for supporting is arranged at the top of the supporting frame, frame openings are formed in two sides of the inner wall of the supporting frame, displacement plates capable of displacing up and down are connected in the two frame openings in a sliding manner, and two clamping heads are arranged on one side of each displacement plate;
the bottom of the heat-insulating substrate is provided with a screw rod, the screw rod is connected with a sliding plate in a threaded manner, both ends of the sliding plate are provided with sloping plates, a supporting seat is arranged between the two sloping plates, and a detection head is connected to the supporting seat in a sliding manner;
the clamping heat preservation assembly further comprises a first conveying frame arranged on one side of the supporting frame, a second conveying frame is arranged on the other side of the supporting frame, a first protection Wen Huajia is connected to the first conveying frame in a sliding mode, a second heat preservation sliding frame is connected to the second conveying frame in a sliding mode, a first heat preservation cover is arranged on the first heat preservation sliding frame, a second heat preservation cover is arranged on the second heat preservation sliding frame, and conveying rollers are arranged at one ends of the first conveying frame and one end of the second conveying frame.
Preferably, one end of the screw rod is provided with a motor for driving the screw rod to rotate, and the motor is mounted on the support frame.
Preferably, the bottom sliding connection of swash plate has the slide rail, the slide rail is installed on the support frame.
The utility model has the technical effects and advantages that:
compared with the prior art, the clamping heat-preserving component is simple in overall design and reasonable in structure, the steel rail is conveyed by the conveying roller through corresponding matching of each structure and conveyed to the heat-preserving base plate, and then the two clamping heads on the displacement plate are downwards displaced through the displacement plate, so that the steel rail on two sides of the welding seam can be respectively clamped and fixed, the steel rail is supported through the heat-preserving base plate, deformation caused by unstable clamping and fixing of the steel rail after welding is avoided, and stability of the steel rail when welded together is improved;
and through first heat preservation cover and the second heat preservation cover on first Wen Huajia and the second heat preservation balladeur train, keep warm after being accomplished the rail welding by the heat preservation base plate, slow cooling for the railhead welding seam can slow cooling, guarantees that railhead welding seam department tissue is changed fully, so that research different normalizing temperature to the effect of microstructure and the hardness distribution of welded joint has improved the stability when the rail welds together, has good practicality when facilitating the use.
Drawings
Fig. 1 is a front view of the overall structure of the present utility model.
Fig. 2 is a front view of the first keep alive carriage Wen Huajia and the second keep alive carriage of the present utility model open.
Fig. 3 is a front view of the clamping heat preservation assembly of the present utility model.
Fig. 4 is a front view of the displacement plate, collet and support base of the present utility model.
The reference numerals are: 1. a support frame; 2. a support frame; 3. a thermal insulation substrate; 4. a frame opening; 5. a displacement plate; 6. a chuck; 7. a screw rod; 8. a slide plate; 9. a sloping plate; 10. a support base; 11. a detection head; 12. a slide rail; 13. a motor; 14. a first carriage; 15. a second carriage; 16. first protection Wen Huajia; 17. a second insulated carriage; 18. a first heat-retaining cover; 19. a second heat-insulating cover; 20. conveying roller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the embodiment, as shown in figures 1-4, the heat treatment and heat preservation device for the bainite steel rail flash welding head can continuously carry out clamping conveying and heat preservation on a workpiece through the clamping heat preservation component arranged on the support frame 1, and the specific structure of the component is as follows;
the clamping heat-insulating assembly comprises a supporting frame 2 arranged on a supporting frame 1, a heat-insulating substrate 3 used for supporting is arranged at the top of the supporting frame 2, frame openings 4 are formed in two sides of the inner wall of the supporting frame 2, displacement plates 5 capable of vertically displacing are slidably connected in the two frame openings 4, and two clamping heads 6 are arranged on one side of each displacement plate 5;
the bottom of the heat-insulating substrate 3 is provided with a screw rod 7, the screw rod 7 is connected with a sliding plate 8 in a threaded manner, two ends of the sliding plate 8 are provided with inclined plates 9, a supporting seat 10 is arranged between the two inclined plates 9, and a detection head 11 is connected to the supporting seat 10 in a sliding manner;
the clamping heat preservation assembly further comprises a first conveying frame 14 arranged on one side of the supporting frame 1, a second conveying frame 15 is arranged on the other side of the supporting frame 1, a first protector Wen Huajia is connected to the first conveying frame 14 in a sliding mode, a second heat preservation sliding frame 17 is connected to the second conveying frame 15 in a sliding mode, a first heat preservation cover 18 is arranged on the first protector Wen Huajia, a second heat preservation cover 19 is arranged on the second heat preservation sliding frame 17, and conveying rollers 20 are arranged at one ends of the first conveying frame 14 and one end of the second conveying frame 15.
When the steel rail welding machine is used, firstly, a worker installs the steel rail welding machine in a steel rail production factory, when the steel rail welding machine is used, the worker places welded steel rails on the conveying roller 20, the conveying roller 20 conveys the steel rails and conveys the steel rails to the heat insulation base plate 3, and then the displacement plate 5 downwards displaces the steel rails so that the two clamping heads 6 on the displacement plate 5 can respectively clamp and fix the steel rails on two sides of a welding seam, and the heat insulation base plate 3 supports the steel rails, so that deformation caused by unstable clamping and fixing of the steel rails after welding is avoided, and the stability of the steel rails when welded together is improved;
the heat preservation is carried out after the steel rail is welded by the heat preservation base plate 3 through the first heat preservation cover 18 and the second heat preservation cover 19 on the first heat preservation sliding frame Wen Huajia and the second heat preservation sliding frame 17, and the rail head welding seam can be slowly cooled, so that the tissue transition of the rail head welding seam is ensured to be full;
meanwhile, the sliding plate 8, the supporting seat 10 and the detection head 11 can be driven to move by the rotation of the screw rod 7, and the steel rail on the heat-insulating substrate 3 is subjected to drop hammer, static bending, fatigue, ultrasonic wave, metallographic phase and other detection, so that the influence of different normalizing temperatures on the microstructure and hardness distribution of the welding joint can be conveniently studied.
Referring to fig. 4, one end of the screw rod 7 is provided with a motor 13 for driving the screw rod 7 to rotate, and the motor 13 is mounted on the support frame 1;
when the motor 13 is used, the motor 13 is conveniently started to drive the screw rod 7 to rotate, and the motor is convenient to use.
Referring to fig. 4, the bottom of the sloping plate 9 is slidably connected with a sliding rail 12, and the sliding rail 12 is installed on the supporting frame 1;
it should be added that, by the arrangement of the sliding rail 12, the supporting seat 10 can be supported during displacement, so as to improve the stability of the supporting seat 10 during displacement.
The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (5)
1. The utility model provides a bainite rail flash of light soldered connection heat treatment heat preservation device, includes support frame (1), its characterized in that: the support frame (1) is provided with a clamping heat-preserving component;
the clamping heat-insulating assembly comprises a supporting frame (2) arranged on a supporting frame (1), a heat-insulating substrate (3) used for supporting is arranged at the top of the supporting frame (2), frame openings (4) are formed in two sides of the inner wall of the supporting frame (2), displacement plates (5) capable of vertically displacing are slidably connected in the two frame openings (4), and two clamping heads (6) are arranged on one side of each displacement plate (5);
the bottom of the heat-insulating substrate (3) is provided with a screw rod (7), the screw rod (7) is connected with a sliding plate (8) in a threaded manner, two ends of the sliding plate (8) are respectively provided with an inclined plate (9), a supporting seat (10) is arranged between the two inclined plates (9), and the supporting seat (10) is connected with a detection head (11) in a sliding manner;
the clamping heat-preserving assembly further comprises a first conveying frame (14) arranged on one side of the supporting frame (1), and a second conveying frame (15) is arranged on the other side of the supporting frame (1);
the first conveying frame (14) is connected with a first protector Wen Huajia (16) in a sliding mode, and the second conveying frame (15) is connected with a second heat-preserving sliding frame (17) in a sliding mode.
2. The heat treatment and insulation device for the bainite steel rail flash welding head according to claim 1, wherein the heat treatment and insulation device is characterized in that: the first heat preservation device is characterized in that a first heat preservation cover (18) is arranged on the first heat preservation device Wen Huajia (16), and a second heat preservation cover (19) is arranged on the second heat preservation sliding frame (17).
3. The heat treatment and insulation device for the bainite steel rail flash welding head according to claim 1, wherein the heat treatment and insulation device is characterized in that: one end of each of the first conveying frame (14) and the second conveying frame (15) is provided with a conveying roller (20).
4. The heat treatment and insulation device for the bainite steel rail flash welding head according to claim 1, wherein the heat treatment and insulation device is characterized in that: one end of the screw rod (7) is provided with a motor (13) for driving the screw rod (7) to rotate, and the motor (13) is installed on the support frame (1).
5. The heat treatment and insulation device for the bainite steel rail flash welding head according to claim 1, wherein the heat treatment and insulation device is characterized in that: the bottom of swash plate (9) sliding connection has slide rail (12), slide rail (12) are installed on support frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222547313.1U CN220012741U (en) | 2022-09-26 | 2022-09-26 | Bainite rail flash of light soldered connection heat treatment heat preservation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222547313.1U CN220012741U (en) | 2022-09-26 | 2022-09-26 | Bainite rail flash of light soldered connection heat treatment heat preservation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220012741U true CN220012741U (en) | 2023-11-14 |
Family
ID=88685641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222547313.1U Active CN220012741U (en) | 2022-09-26 | 2022-09-26 | Bainite rail flash of light soldered connection heat treatment heat preservation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220012741U (en) |
-
2022
- 2022-09-26 CN CN202222547313.1U patent/CN220012741U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |