CN109182674B - The method comprises the following steps of: open-close type Steel rail flash normalizing of welded joint Induction coil - Google Patents
The method comprises the following steps of: open-close type Steel rail flash normalizing of welded joint Induction coil Download PDFInfo
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- CN109182674B CN109182674B CN201811313123.5A CN201811313123A CN109182674B CN 109182674 B CN109182674 B CN 109182674B CN 201811313123 A CN201811313123 A CN 201811313123A CN 109182674 B CN109182674 B CN 109182674B
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- pipes
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 23
- 230000006698 induction Effects 0.000 title claims abstract description 23
- 239000010959 steel Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title description 2
- 239000002184 metal Substances 0.000 claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/28—Normalising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
-
- 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
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Induction Heating (AREA)
Abstract
Open-close type Steel rail flash the welding joint normalizes the induction coil, consists of a right side section, a left side upper section the left lower section is connected; the left side is provided with an upper section the upper part of the right side section is bent to be left with the rail joint right side is anastomotic is of a shape of (a); the upper end part of the left upper section is fixedly connected with the upper end part of the right section through a connecting device, the lower end part of the left upper section is hinged with the upper end part of the left lower section through a copper hinge, and the left upper section can be opened by rotating left around the copper hinge by opening the connecting device; the lower part of the right side section and the left side lower section are bent horizontally to the rail bottom of the rail joint, then extend downwards and vertically from the middle part of the rail bottom, and then clamp the first insulating plate between the lower part of the right side section and the left side lower section, so that insulation is kept between the right side section and the left side lower section, a left bus plate is clamped between the first insulating plate and the left side lower section, and a right bus plate is clamped between the first insulating plate and the lower part of the right side section; the right side section, the left side upper section and the left side lower section are formed by bending and folding a metal pipe, and two ports of the metal pipe are respectively provided with a cooling joint.
Description
Technical Field
The invention belongs to the technical field of heat treatment of steel rail welding joints, and particularly relates to an open-close type normalizing induction coil for a steel rail flash welding joint.
Background
At present, when the flash welding joint of the steel rail is normalized, the steel rail is heated in a mode that the longitudinal direction of the steel rail penetrates along the cross section perpendicular to the profiling of the induction coil, and the mode is suitable for the condition that the cross section shapes of the steel rail are the same or similar before and after the welding joint. However, for the special-shaped steel rail with the cross section of the front steel rail and the rear steel rail of the welding joint being obviously larger than that of the flash welding joint, the rail piece is difficult to penetrate into the induction coil or damages the inner wall of the coil after penetrating into the induction coil, so that the inductor is easy to damage.
Disclosure of Invention
The invention provides an open-close type normalizing induction coil for a steel rail flash welding joint, which overcomes the defects of the prior art.
The technical scheme adopted by the invention is as follows: an open-close type normalizing induction coil for a steel rail flash welding joint is formed by connecting a right side section, a left side upper section and a left side lower section; the upper part of the right side section is bent into a shape which is matched with the right side of the rail joint, and the upper part of the left side section is bent into a shape which is matched with the left side of the rail joint; the upper end part of the left upper section is fixedly connected with the upper end part of the right section through a connecting device, the lower end part of the left upper section is hinged with the upper end part of the left lower section through a copper hinge, and the left upper section can be opened by opening the connecting device around the copper hinge in a left rotating way; the lower part of the right side section and the lower left side section are bent horizontally to the rail bottom of the rail joint, then extend downwards and vertically from the middle part of the rail bottom, and then clamp a first insulating plate between the lower right side section and the lower left side section, so that insulation is kept between the right side section and the lower left side section, a left bus plate is clamped between the first insulating plate and the lower left side section, and a right bus plate is clamped between the first insulating plate and the lower right side section; the right side section, the left side upper section and the left side lower section are formed by bending and folding a metal pipe, and two ports of the metal pipe are respectively provided with a cooling joint.
The right side section, the left side upper section and the left side lower section are respectively composed of two groups of symmetrically arranged metal pipes, two ends of each group of metal pipes are respectively welded with a metal connecting pipe in parallel, and the cooling connector is arranged on a port of the metal connecting pipe; a second insulating plate is arranged between the two groups of metal pipes, so that insulation is kept between the two groups of metal pipes and between the two metal connecting pipes; the left bus plate and the right bus plate are separated into two bus plates which are respectively contacted with the two groups of metal pipes through a second insulating plate.
The connecting device consists of two copper connecting plates welded above two metal connecting pipes at the upper parts of the left side upper section and the right side upper section, and a C-shaped bolt locking device for clamping the two metal connecting pipes together; the two copper connecting plates are connected and fixed together through copper bolt pairs.
Each group of the two groups of metal pipes consists of 1-3 copper pipes in parallel.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts a split structure and an open-close type design, when the induction coil is opened, the normalizing inductor can transversely enter and exit along the steel rail, so that the normalized special-shaped steel rail is convenient to leave the workbench, the profiling design of effective normalizing of the special-shaped rail piece is easy to realize, and the effective normalizing quality of the longitudinal weld joint of the steel rail is further improved.
2. The invention can transversely enter and exit along the steel rail, can obviously improve the working efficiency of normalizing the longitudinal butt welding seam, avoids the collision and damage to the inner wall of the induction coil caused by longitudinal penetration, ensures that the induction coil is not easy to damage, prolongs the service life of the inductor, reduces the use cost of the inductor and the labor intensity of operators, is more suitable for the induction heating of long and large variable-section rod pieces, and improves the operation safety of the operators.
Drawings
FIG. 1 is a front elevational view of the structure of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
FIG. 3 is a schematic view of the various segmented deployment structures of the present invention;
fig. 4 is a schematic view of the present invention in an open state.
Detailed Description
The invention will now be described in detail with reference to figures 1-4 and the detailed description.
An open-close type normalizing induction coil for a steel rail flash welding joint is formed by connecting a right side section 1, a left side upper section 2 and a left side lower section 3; the upper part of the right side section 1 is bent into a shape which is matched with the right side of the rail joint, and the left side upper section 2 is bent into a shape which is matched with the left side of the rail joint; the upper end part of the left upper section 2 is fixedly connected with the upper end part of the right section 1 through a connecting device 4, the lower end part of the left upper section 2 is hinged with the upper end part of the left lower section 3 through a copper hinge 5, and the left upper section 2 can be opened by opening the connecting device 4 in a left rotating way around the copper hinge 5; the lower part of the right side section 1 and the left side lower section 3 are bent horizontally to the rail bottom of the rail joint, then extend downwards and vertically from the middle part of the rail bottom, and clamp a first insulating plate 7 between the lower part and the rail bottom, so that insulation is kept between the right side section 1 and the left side lower section 3, a left bus plate 8 is clamped between the first insulating plate 7 and the left side lower section 3, and a right bus plate 9 is clamped between the first insulating plate 7 and the lower part of the right side section 1; the right side section 1, the left side upper section 2 and the left side lower section 3 are formed by bending a metal pipe 10, and two ports of the metal pipe 10 are respectively provided with a cooling joint 11.
The right side section 1, the left side upper section 2 and the left side lower section 3 are respectively composed of two groups of symmetrically arranged metal pipes 10, two ends of each group of metal pipes 10 are respectively welded with a metal connecting pipe 13 in parallel, and the cooling joint 11 is arranged on a port of the metal connecting pipe 13; a second insulating plate 12 is arranged between the two groups of metal pipes 10, so that insulation is kept between the two groups of metal pipes 10 and between the two metal connecting pipes 13; the left bus plate 8 and the right bus plate 9 are separated into two bus plates respectively contacted with the two groups of metal tubes 10 through a second insulating plate 12. Each of the two groups of metal tubes 10 is composed of 3 copper tubes in parallel.
The connecting device 4 is composed of two copper connecting plates 14 welded above two metal connecting pipes 13 at the upper parts of the left upper section 2 and the right upper section 1, and a C-shaped bolt locking device 15 for clamping the two metal connecting pipes 13 together; the two copper connecting plates 14 are fixedly connected together through the copper bolt pair 6; the upper parts of the left upper section 2 and the right upper section 1 are fixedly connected together to form a closed induction coil, meanwhile, current can travel along one direction, the current direction is not changed, the contact is tight, and the conductivity is good.
The induction normalizing device can perform induction normalizing heating on the special-shaped steel rail arranged in the induction normalizing device in a closed state, and the induction coil can transversely enter or exit along the steel rail in an open state, so that the normalized special-shaped steel rail can conveniently leave the workbench. When the cooling device works, the left half part and the right half part of the coil can be respectively cooled by two sets of cooling water circulation devices, and when the left half part is cooled, only two cooling connectors at the lower end of the left upper section 2 are correspondingly connected with two cooling connectors at the upper end of the left lower section 3 by two hoses.
The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of the present invention, so that all equivalent modifications made by the appended claims shall be included in the scope of the present invention.
Claims (4)
1. An open-close type steel rail flash welding joint normalizing induction coil is characterized in that: the induction coil is formed by connecting a right side section (1), a left side upper section (2) and a left side lower section (3); the upper part of the right side section (1) is bent into a shape which is matched with the right side of the rail joint, and the left side upper section (2) is bent into a shape which is matched with the left side of the rail joint; the upper end of the left upper section (2) is fixedly connected with the upper end of the right section (1) through a connecting device (4), the lower end of the left upper section (2) is hinged with the upper end of the left lower section (3) through a copper hinge (5), and the left upper section (2) can be opened by rotating leftwards around the copper hinge (5) by opening the connecting device (4); the lower part of the right side section (1) and the left side lower section (3) are bent horizontally to the rail bottom of the rail joint, then the first insulating plate (7) is clamped between the lower part and the left side lower section (3) after extending downwards and vertically from the middle part of the rail bottom, insulation is kept between the right side section (1) and the left side lower section (3), a left bus plate (8) is clamped between the first insulating plate (7) and the left side lower section (3), and a right bus plate (9) is clamped between the first insulating plate (7) and the lower part of the right side section (1); the right side section (1), the left side upper section (2) and the left side lower section (3) are formed by bending metal pipes (10), and two ports of each metal pipe (10) are respectively provided with a cooling joint (11).
2. An open-close rail flash welded joint normalizing induction coil of claim 1, wherein: the right side section (1), the left side upper section (2) and the left side lower section (3) are respectively composed of two groups of symmetrically arranged metal pipes (10), two ends of each group of metal pipes (10) are respectively welded with a metal connecting pipe (13) in parallel, and the cooling joint mouth (11) is arranged on a port of the metal connecting pipe (13); a second insulating plate (12) is arranged between the two groups of metal pipes (10), so that insulation is kept between the two groups of metal pipes (10) and between the two metal connecting pipes (13); the left bus plate (8) and the right bus plate (9) are separated into two bus plates which are respectively contacted with the two groups of metal tubes (10) through a second insulating plate (12).
3. An open-close rail flash welded joint normalizing induction coil of claim 2, wherein: the connecting device (4) is composed of two copper connecting plates (14) welded above two metal connecting pipes (13) at the upper parts of the left upper section (2) and the right upper section (1), and a C-shaped bolt locking device (15) for clamping the two metal connecting pipes (13) together; the two copper connecting plates (14) are connected and fixed together through the copper bolt pair (6).
4. A retractable rail flash joint normalizing inductor according to claim 2 or 3, wherein: each group of the two groups of metal pipes (10) consists of 1-3 copper pipes in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313123.5A CN109182674B (en) | 2018-11-06 | 2018-11-06 | The method comprises the following steps of: open-close type Steel rail flash normalizing of welded joint Induction coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313123.5A CN109182674B (en) | 2018-11-06 | 2018-11-06 | The method comprises the following steps of: open-close type Steel rail flash normalizing of welded joint Induction coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109182674A CN109182674A (en) | 2019-01-11 |
| CN109182674B true CN109182674B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313123.5A Active CN109182674B (en) | 2018-11-06 | 2018-11-06 | The method comprises the following steps of: open-close type Steel rail flash normalizing of welded joint Induction coil |
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| Country | Link |
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| CN (1) | CN109182674B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593941A (en) * | 2019-01-14 | 2019-04-09 | 上海工程技术大学 | A kind of rail induction normalizing method |
| CN112280940A (en) * | 2020-10-27 | 2021-01-29 | 保隆沙士基达(安徽)液压成型有限公司 | Torsion beam high-frequency quenching sectional type coil and torsion beam sectional type heating method |
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| CN202730570U (en) * | 2012-08-29 | 2013-02-13 | 中铁上海工程局有限公司 | Profiling and fixing support concerning normalizing treatment of welded joints of steel rail |
| CN102995508A (en) * | 2013-01-05 | 2013-03-27 | 中铁上海工程局有限公司 | Opening type water cooling rail induction normalizing coil and use method thereof |
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| CN205775671U (en) * | 2016-03-08 | 2016-12-07 | 中铁上海工程局集团有限公司 | Channel suspending rail welding point sensing normalizing device |
| CN206799684U (en) * | 2017-05-11 | 2017-12-26 | 上海工程技术大学 | A kind of open-close type single line multiturn senses normalizing coil |
| CN108220549A (en) * | 2016-12-22 | 2018-06-29 | 上海工程技术大学 | A kind of rail welding head Frequency Induction Heating coil |
| CN209144200U (en) * | 2018-11-06 | 2019-07-23 | 中铁宝桥集团有限公司 | A kind of open-close type rail flash welding connector normalizing induction coil |
-
2018
- 2018-11-06 CN CN201811313123.5A patent/CN109182674B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB575373A (en) * | 1944-03-14 | 1946-02-14 | Mb Wild & Co Ltd | Improvements relating to flame-cutting machines |
| CN201567513U (en) * | 2010-01-06 | 2010-09-01 | 刘驰 | Open-type coil of electrical normalizing equipment for rail |
| CN101792991A (en) * | 2010-03-09 | 2010-08-04 | 武汉利德测控技术股份有限公司 | Synthetic magnetic field type on-line steel rail welding seam normalizing treatment method and normalizing middle-frequency inductor |
| CN202730570U (en) * | 2012-08-29 | 2013-02-13 | 中铁上海工程局有限公司 | Profiling and fixing support concerning normalizing treatment of welded joints of steel rail |
| CN102995508A (en) * | 2013-01-05 | 2013-03-27 | 中铁上海工程局有限公司 | Opening type water cooling rail induction normalizing coil and use method thereof |
| CN203495407U (en) * | 2013-09-29 | 2014-03-26 | 常州市瑞泰工程机械有限公司 | Steel rail induction butt welding and heat treating device |
| CN205775671U (en) * | 2016-03-08 | 2016-12-07 | 中铁上海工程局集团有限公司 | Channel suspending rail welding point sensing normalizing device |
| CN108220549A (en) * | 2016-12-22 | 2018-06-29 | 上海工程技术大学 | A kind of rail welding head Frequency Induction Heating coil |
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| CN209144200U (en) * | 2018-11-06 | 2019-07-23 | 中铁宝桥集团有限公司 | A kind of open-close type rail flash welding connector normalizing induction coil |
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| CN109182674A (en) | 2019-01-11 |
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