CN108221517B - Profiling positioning device for fixing medium-frequency induction heating normalizing transformer - Google Patents
Profiling positioning device for fixing medium-frequency induction heating normalizing transformer Download PDFInfo
- Publication number
- CN108221517B CN108221517B CN201611199470.0A CN201611199470A CN108221517B CN 108221517 B CN108221517 B CN 108221517B CN 201611199470 A CN201611199470 A CN 201611199470A CN 108221517 B CN108221517 B CN 108221517B
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- CN
- China
- Prior art keywords
- normalizing
- transformer
- support platform
- steel rail
- fixed support
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/18—Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
- E01B2202/08—Locking devices or mechanisms for inhibiting movement
Abstract
The invention discloses a profiling positioning device for fixing an intermediate frequency induction heating normalizing transformer in the field of metal heat treatment, which comprises a fixed support platform, wherein the fixed support platform is parallel to a steel rail, and the normalizing transformer is placed on the top surface of the fixed support platform; the four vertex angles of the fixed support platform are respectively provided with a rotatable support which is perpendicular to the plane where the steel rail is positioned and penetrates through the fixed support platform from bottom to top; the bottom of the rotatable support can be fixed with the roadbed where the steel rail is located, and the top of the rotatable support is provided with an operating handle which can be in forced contact with the outer peripheral surface of the normalizing transformer. The technical effects are as follows: which can flexibly and conveniently position the relative position between an induction heating coil connected with a normalizing transformer and a welding head of a steel rail, and the normalizing transformer after positioning and fixing cannot slide downwards along the slope, so that the consistency of normalizing parameters when normalizing the welding heads of the steel rails is ensured.
Description
Technical Field
The invention relates to a profiling positioning device for fixing an intermediate frequency induction heating normalizing transformer.
Background
The seamless steel rail is formed by connecting short rails through resistance welding or flash welding in the construction process of a circuit, and the internal structure of a steel rail welding joint can change to a certain extent due to the bearing of high temperature, so that the metal performance at the welding joint is reduced, and the welding joint is locally heated in an intermediate frequency induction normalizing mode, so that the grain structure of the steel rail welding joint is improved, and the final characteristics meet the iron standard.
As the roadbed paved by the track may have an ascending slope or a descending slope, the normalizing transformer may slide along the track, and the normalizing coil cannot be accurately placed at the welding joint of the track.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a profiling positioning device for a fixed intermediate frequency induction heating normalizing transformer, which can flexibly and conveniently position the relative position between an induction heating coil connected with the normalizing transformer and a welding head of a steel rail, and the normalizing transformer cannot slide downwards along a slope after being positioned and fixed, so that the consistency of normalizing parameters when normalizing the welding head of the steel rail is ensured.
The technical scheme for achieving the purpose is as follows: a profiling positioning device for fixing an intermediate frequency induction heating normalizing transformer comprises a fixed support platform, wherein the fixed support platform is parallel to a steel rail, and the normalizing transformer is placed on the top surface of the fixed support platform;
the four vertex angles of the fixed support platform are respectively provided with a rotatable support which is perpendicular to the plane where the steel rail is positioned and penetrates through the fixed support platform from bottom to top;
the bottom of the rotatable support can be fixed with the roadbed where the steel rail is located, and the top of the rotatable support is provided with an operating handle which can be in forced contact with the outer peripheral surface of the normalizing transformer.
Further, a rotary pressing device for fixing the bottom of the rotatable support and the roadbed where the steel rail is located is arranged at the bottom of the rotatable support.
Further, the top surface of the fixed support platform is provided with two positioning slide rails which are parallel to the steel rails and can be clamped with clamping grooves on the bottom surface of the normalizing transformer.
Further, an infrared temperature sensor is arranged on the top surface of the fixed support platform.
Further, the profiling positioning device for fixing the medium-frequency induction heating normalizing transformer further comprises a variable-frequency crane which can hoist the normalizing transformer above the normalizing transformer and can position the normalizing transformer along the axial direction of the steel rail.
Further, the bottom surface of the fixed support platform is a profiling bottom surface profiling the top surface of the steel rail.
The technical scheme of the profiling positioning device for fixing the medium-frequency induction heating normalizing transformer comprises a fixed support platform, wherein the fixed support platform is parallel to a steel rail, and the normalizing transformer is placed on the top surface of the fixed support platform; the four vertex angles of the fixed support platform are respectively provided with a rotatable support which is perpendicular to the plane where the steel rail is positioned and penetrates through the fixed support platform from bottom to top; the bottom of the rotatable support can be fixed with the roadbed where the steel rail is located, and the top of the rotatable support is provided with an operating handle which can be in forced contact with the outer peripheral surface of the normalizing transformer. The technical effects are as follows: which can flexibly and conveniently position the relative position between an induction heating coil connected with a normalizing transformer and a welding head of a steel rail, and the normalizing transformer after positioning and fixing cannot slide downwards along the slope, so that the consistency of normalizing parameters when normalizing the welding heads of the steel rails is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a profiling positioning device for fixing an intermediate frequency induction heating normalizing transformer.
Detailed Description
Referring to fig. 1, in order to better understand the technical solution of the present invention, the following detailed description is given by way of specific embodiments with reference to the accompanying drawings:
referring to fig. 1, a profiling positioning device for fixing an intermediate frequency induction heating normalizing transformer of the present invention includes a fixed bracket platform 21 above and parallel to a rail. The bottom surface of the fixed support platform 21 is a contoured bottom surface that contours the top surface of the rail. The four vertex angles of the fixed support platform 21 are respectively provided with a rotatable support 22 which is perpendicular to the plane of the steel rail and penetrates through the fixed support platform 21 from bottom to top.
Two positioning slide rails 211 parallel to the steel rails are arranged on the top surface of the fixed support platform 21, and the positioning slide rails 211 are correspondingly clamped with two clamping grooves 31 at the bottom of the normalizing transformer 3. The purpose of this design is: through the joint of location slide rail 211 and draw-in groove 31, prevent that the induction heating coil who is connected with normalizing transformer 3 from taking place the level and rocking, prevent that the level from rocking probably to lead to induction heating coil and rail between the short circuit, prevent that the short circuit from leading to the damage and the potential personal injury of normalizing transformer 3.
The bottom of the rotatable support 22 is provided with a rotary pressing device 221 for fixing the rotatable support 221 with the roadbed where the steel rail is located. The top of the rotatable bracket 22 is provided with an operating handle 222, and the operating handle 222 can be in forced contact with the outer peripheral surface of the normalizing transformer 3 on the top surface of the fixed bracket platform 21, so that when the steel rail is positioned on a slope, the normalizing transformer 3 is prevented from sliding on the fixed bracket platform 21 towards a downhill direction. The operating handle 222 can release the pressure of the operating handle 222 to the normalizing transformer 3 only by lifting upwards, and the normalizing transformer 3 can slide along the positioning slide rail 211.
The top surface of the fixed support platform 21 is also provided with an infrared temperature sensor 212, the infrared sensor 212 is used for monitoring the temperature of the bottom surface of the normalizing transformer 3, and once the temperature of the bottom surface of the normalizing transformer 3 exceeds a threshold value, the infrared temperature sensor 212 alarms.
Meanwhile, a variable-frequency crane 4 is connected above the normalizing transformer 3, and the variable-frequency crane 4 positions the normalizing transformer 3 along the axial direction of the steel rail, so that an induction heating coil arranged on the normalizing transformer 3 corresponds to the position of a welding head of the steel rail. After the positioning of the induction heating coil by the variable frequency crane 4 is completed, the variable frequency crane 4 puts down the normalizing transformer 3, so that the clamping groove 31 at the bottom of the normalizing transformer 3 is clamped with the positioning sliding rail 211 on the top surface of the fixed support platform 21. Finally, the operating handle 222 on the top of the rotatable bracket 22 is adjusted, so that the operating handle 222 is in forced contact with the outer peripheral surface of the normalizing transformer 3, and the transformer is fixed on the top surface of the fixed bracket platform 21.
The positioning device for fixing the medium-frequency induction heating normalizing transformer can be used for fixing the normalizing transformer 3 for induction heating the welding head of the steel rail positioned on the ramp, preventing the normalizing transformer 3 from sliding downwards, and ensuring that an induction heating coil connected with the normalizing transformer 3 is positioned at the welding head of the steel rail. The positioning device for fixing the medium-frequency induction heating normalizing transformer can flexibly and conveniently position the relative position between the induction heating coil connected with the normalizing transformer 3 and the welding head of the steel rail, and the normalizing transformer 3 cannot slide downwards along the slope after being positioned and fixed, so that the consistency of normalizing parameters when normalizing the welding head of the steel rail is ensured.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (2)
1. A profiling positioning device for fixing an intermediate frequency induction heating normalizing transformer comprises a fixed support platform, wherein the fixed support platform is parallel to a steel rail, and the normalizing transformer is placed on the top surface of the fixed support platform; the method is characterized in that:
the four vertex angles of the fixed support platform are respectively provided with a rotatable support which is perpendicular to the plane where the steel rail is positioned and penetrates through the fixed support platform from bottom to top;
the bottom of the rotatable bracket can be fixed with the roadbed where the steel rail is located, the top of the rotatable bracket is provided with an operating handle which can be in forced contact with the peripheral surface of the normalizing transformer,
the bottom of the rotatable bracket is provided with a rotary pressing device for fixing the bottom of the rotatable bracket and the roadbed where the steel rail is positioned,
the top surface of the fixed support platform is provided with two positioning slide rails which are parallel to the steel rail and can be clamped with clamping grooves on the bottom surface of the normalizing transformer,
it also comprises a variable frequency crane which can hoist the normalizing transformer above the normalizing transformer and can position the normalizing transformer along the axial direction of the steel rail,
the bottom surface of the fixed support platform is a profiling bottom surface which profiles the top surface of the steel rail,
the upper part of the normalizing transformer is connected with a variable frequency crane, and the variable frequency crane positions the normalizing transformer along the axial direction of the steel rail, so that an induction heating coil arranged on the normalizing transformer corresponds to the position of a welding head of the steel rail; after the positioning of the induction heating coil by the variable frequency crane is completed, the variable frequency crane puts down the normalizing transformer, so that the clamping groove at the bottom of the normalizing transformer is clamped with the positioning slide rail on the top surface of the fixed support platform; finally, the operating handle at the top of the rotatable bracket is adjusted to ensure that the operating handle is in forced contact with the peripheral surface of the normalizing transformer, thereby fixing the transformer on the top surface of the fixed bracket platform,
when the steel rail is positioned on the slope, the normalizing transformer is prevented from sliding on the fixed support platform towards the downhill direction; the pressure of the operating handle to the normalizing transformer can be relieved as long as the operating handle is lifted upwards, and the normalizing transformer can slide along the positioning slide rail.
2. A profiling positioning apparatus for a fixed intermediate frequency induction heating normalizing transformer as claimed in claim 1, wherein: an infrared temperature sensor is arranged on the top surface of the fixed support platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199470.0A CN108221517B (en) | 2016-12-22 | 2016-12-22 | Profiling positioning device for fixing medium-frequency induction heating normalizing transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199470.0A CN108221517B (en) | 2016-12-22 | 2016-12-22 | Profiling positioning device for fixing medium-frequency induction heating normalizing transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108221517A CN108221517A (en) | 2018-06-29 |
| CN108221517B true CN108221517B (en) | 2023-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611199470.0A Active CN108221517B (en) | 2016-12-22 | 2016-12-22 | Profiling positioning device for fixing medium-frequency induction heating normalizing transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108221517B (en) |
Citations (14)
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| JPS56102522A (en) * | 1980-01-21 | 1981-08-17 | Mitsubishi Electric Corp | Normalizing apparatus for weld zone of electric welded pipe |
| AU5307294A (en) * | 1994-01-06 | 1995-07-13 | Thermit Australia Pty Limited | Method of and apparatus for improving service life of rail welds |
| AU676990B3 (en) * | 1996-05-06 | 1997-03-27 | Thomas A Hogue | Embedded railway track system |
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| AT505930B1 (en) * | 2008-02-04 | 2009-05-15 | Voestalpine Schienen Gmbh | DEVICE FOR HARDENING RAILS |
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| AU5307294A (en) * | 1994-01-06 | 1995-07-13 | Thermit Australia Pty Limited | Method of and apparatus for improving service life of rail welds |
| AU676990B3 (en) * | 1996-05-06 | 1997-03-27 | Thomas A Hogue | Embedded railway track system |
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| CN104357641A (en) * | 2014-10-24 | 2015-02-18 | 中国铁道科学研究院 | Steel rail postwelding pressure maintaining and normalizing equipment and steel rail postwelding pressure maintaining and normalizing method thereof |
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| Publication number | Publication date |
|---|---|
| CN108221517A (en) | 2018-06-29 |
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