CN107052509A - A kind of portable medium frequency inverter direct current rail welding machine - Google Patents
A kind of portable medium frequency inverter direct current rail welding machine Download PDFInfo
- Publication number
- CN107052509A CN107052509A CN201710118012.8A CN201710118012A CN107052509A CN 107052509 A CN107052509 A CN 107052509A CN 201710118012 A CN201710118012 A CN 201710118012A CN 107052509 A CN107052509 A CN 107052509A
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- China
- Prior art keywords
- rail
- pair
- dynamic
- web
- medium frequency
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/26—Railway- or like rails
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a kind of portable medium frequency inverter direct current rail welding machine, for welded rails, described rail includes the web of the rail, rail top and the flange of rail, comprising：Quiet fixture, its bare terminal end clamps the web of the rail position of an one steel rail wherein；Dynamic fixture, its bare terminal end is clamped in the web of the rail position of another one steel rail, and can be moved along rail；A pair of first conductive electrodes, it is arranged on quiet fixture bare terminal end, and is located at the both sides of the web of the rail respectively；A pair of second conductive electrodes, it is arranged on dynamic fixture bare terminal end, and is located at the both sides of the web of the rail respectively；First and second conductive electrode receives medium frequency inverter direct current so that the welding junction end of rail produces arc light and welded.The present invention uses medium frequency inverter dc source, makes the electric current acted on rail cross section highly uniform, and the fusing degree for being soldered rail unit area reaches unanimity.
Description
Technical field
The present invention relates to rail welding field, more particularly to a kind of portable medium frequency inverter direct current rail welding machine.
Background technology
At present, the welding of domestic high rail, uses two kinds of three-phase secondary metal rectifier welding set and AC welding set mostly.This two kinds
Equipment weld defect is that quality is unstable, it is more complicated to control.Cause the processing quality intensity test and appraisal organized in the annual Ministry of Railways
When（Drop weight test）, have generation broken rail phenomenon, and irregular follow more.
All it is in helpless state at present the numerous weldering base of the rail of China.Field rail welding quality is more unstable.Particularly
Highlands and cold district, the weld strength and fastness of rail are even more barely satisfactory, and speed of welding is slow, welding quality is unstable
It is fixed.To find out its cause, what the birth defect of the mainly AC power of rail welding machine was caused.It is well known that AC power flows through conductor
When there is Kelvin effect, so using AC power（Including secondary commutation power supply）During as the source of welding current, welding point is flowed through
The electric current at place is uneven.
The content of the invention
It is an object of the invention to provide a kind of portable medium frequency inverter direct current rail welding machine, using medium frequency inverter dc source,
Make the electric current acted on rail cross section highly uniform, the fusing degree for being soldered rail unit area reaches unanimity.
In order to realize the above object the present invention is achieved by the following technical solutions：
A kind of portable medium frequency inverter direct current rail welding machine, for welded rails, described rail includes the web of the rail, rail top and the flange of rail,
It is characterized in, comprising：
Quiet fixture, its bare terminal end clamps the web of the rail position of an one steel rail wherein；
Dynamic fixture, its bare terminal end is clamped in the web of the rail position of another one steel rail, and can be moved along rail；
A pair of first conductive electrodes, it is arranged on quiet fixture bare terminal end, and is located at the both sides of the web of the rail respectively；
A pair of second conductive electrodes, it is arranged on dynamic fixture bare terminal end, and is located at the both sides of the web of the rail respectively；
First and second conductive electrode receives medium frequency inverter direct current so that the welding junction end of rail produces arc light and welded.
Described quiet fixture is included：
A pair of quiet clamp arms, its lower end symmetric clamp is in web of the rail both sides；
Quiet clamping cylinder, it is arranged between a pair of quiet clamp arm upper ends；
First central shaft, it passes through a pair of quiet clamp arm middle positions so that a pair of quiet clamp arms are put around the first central shaft
It is dynamic.
The first conductive electrode described in a pair is separately positioned on quiet clamp arm lower end inside.
Each described quiet clamp arm side is provided with mandrel.
Described dynamic fixture is included：
A pair of dynamic clamp arms, its lower end symmetric clamp is separately positioned on dynamic in web of the rail both sides, the second conductive electrode described in a pair
Clamp arm lower end inside；
Dynamic clamping cylinder, it is arranged between a pair of dynamic clamp arm upper ends；
Second central shaft, it moves clamp arm middle positions through a pair so that a pair of dynamic clamp arms are put around the second central shaft
It is dynamic.
Described dynamic clamp arm offers positioning hole, and described positioning hole is corresponding with mandrel respectively.
The rail welding machine also includes upset oil cylinder, and it drives described dynamic fixture.
The present invention compared with prior art, with advantages below：
1st, the present invention uses medium frequency inverter dc source, makes the electric current acted on rail cross section highly uniform, is soldered steel
The fusing degree of rail unit area reaches unanimity.
The 2nd, two conductive electrodes are clamped in the web of the rail position of rail, distributing homogeneity and electric current the transmission speed of welding current
The uniformity of degree, which is obtained for, significantly to be improved.
Brief description of the drawings
Fig. 1 is a kind of structural representation of portable medium frequency inverter direct current rail welding machine of the present invention.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in figure 1, a kind of portable medium frequency inverter direct current rail welding machine, for welded rails, above-mentioned rail includes rail
Waist 11, rail top 12 and the flange of rail 13, the rail welding machine are included：Quiet fixture 2, its bare terminal end is clamped in the position of the web of the rail 11 of an one steel rail 1
Place；Dynamic fixture 3, its bare terminal end is clamped in the position of the web of the rail 11 of another one steel rail；A pair of first conductive electrodes 4, it is arranged on
Quiet fixture bare terminal end, and it is located at the both sides of the web of the rail respectively；A pair of second conductive electrodes 5, it is arranged on dynamic fixture bare terminal end, and divides
Not Wei Yu the web of the rail 11 both sides；First and second conductive electrode（4、5）Receive medium frequency inverter direct current so that the welding junction end of rail
Produce arc light simultaneously weld, first and second conductive electrode is red copper conductive electrode, and with the positive and negative electrode of medium frequency inverter dc source
It is connected.
Above-mentioned quiet fixture 2 is included：A pair of quiet clamp arms 21, its lower end symmetric clamp is in the both sides of the web of the rail 11；It is quiet to clamp oil
Cylinder 22, it is arranged between a pair of quiet upper ends of clamp arm 21；First central shaft 23, it passes through a pair of quiet centre positions of clamp arm 21
Place so that a pair of quiet clamp arms 21 are swung around the first central shaft 23.The first conductive electrode 4 described in a pair is separately positioned on quiet
The lower end inside of clamp arm 21.Each described side of quiet clamp arm 21 is provided with mandrel 24.
Above-mentioned dynamic fixture is included：A pair of dynamic clamp arms 31, its lower end symmetric clamp is in the both sides of the web of the rail 11, described in a pair
Second conductive electrode 5 is separately positioned on the dynamic lower end inside of clamp arm 31；Dynamic clamping cylinder 32, it is arranged on a pair of dynamic clamp arms 31
Between upper end；Second central shaft 33, it is through a pair of dynamic middle positions of clamp arm 31 so that a pair of dynamic clamp arms 31 are around the
Two central shafts 33 are swung.
Above-mentioned dynamic clamp arm 31 offers positioning hole, and described positioning hole is corresponding with mandrel 24 respectively, when dynamic fixture is moved
When dynamic, the positioning hole of dynamic clamp arm 31 is moved in mandrel 24.
The rail welding machine also includes upset oil cylinder 6, and it drives described dynamic fixture 3, specifically, by upset oil cylinder 6 respectively with
Dynamic clamp arm 31 is connected.
First and second electrode is connected with the positive and negative electrode of medium frequency inverter dc source, and exports the medium frequency inverter direct current of high current
It is transmitted to by first and second electrode on two one steel rails for needing to weld, while producing arc light at the welding junction end of rail and dodging
Light so that two one steel rails are integrally welded.
In summary, a kind of portable medium frequency inverter direct current rail welding machine of the present invention, using medium frequency inverter dc source, makes work
Highly uniform with the electric current on rail cross section, the fusing degree for being soldered rail unit area reaches unanimity.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a kind of portable medium frequency inverter direct current rail welding machine, for welded rails, described rail includes the web of the rail, rail top and rail
Bottom, it is characterised in that include：
Quiet fixture, its bare terminal end clamps the web of the rail position of an one steel rail wherein；
Dynamic fixture, its bare terminal end is clamped in the web of the rail position of another one steel rail；
A pair of first conductive electrodes, it is arranged on quiet fixture bare terminal end, and is located at the both sides of the web of the rail respectively；
A pair of second conductive electrodes, it is arranged on dynamic fixture bare terminal end, and is located at the both sides of the web of the rail respectively；
First and second conductive electrode receives medium frequency inverter direct current so that the welding junction end of rail produces arc light and welded.
2. movable type medium frequency inverter direct current rail welding machine as claimed in claim 1, it is characterised in that described quiet fixture is included：
A pair of quiet clamp arms, its lower end symmetric clamp is in web of the rail both sides；
Quiet clamping cylinder, it is arranged between a pair of quiet clamp arm upper ends；
First central shaft, it passes through a pair of quiet clamp arm middle positions so that a pair of quiet clamp arms are put around the first central shaft
It is dynamic.
3. movable type medium frequency inverter direct current rail welding machine as claimed in claim 2, it is characterised in that first described in a pair is conductive
Electrode is separately positioned on quiet clamp arm lower end inside.
4. movable type medium frequency inverter direct current rail welding machine as claimed in claim 2, it is characterised in that each described quiet clamp arm
Side is provided with mandrel.
5. movable type medium frequency inverter direct current rail welding machine as claimed in claim 4, it is characterised in that described dynamic fixture is included：
A pair of dynamic clamp arms, its lower end symmetric clamp is separately positioned on dynamic in web of the rail both sides, the second conductive electrode described in a pair
Clamp arm lower end inside；
Dynamic clamping cylinder, it is arranged between a pair of dynamic clamp arm upper ends；
Second central shaft, it moves clamp arm middle positions through a pair so that a pair of dynamic clamp arms are put around the second central shaft
It is dynamic.
6. movable type medium frequency inverter direct current rail welding machine as claimed in claim 5, it is characterised in that described dynamic clamp arm is opened up
There is positioning hole, described positioning hole is corresponding with mandrel respectively.
7. the portable medium frequency inverter direct current rail welding machine as described in claim any one of 1-6, it is characterised in that also comprising upset
Oil cylinder, it drives described dynamic fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118012.8A CN107052509A (en) | 2017-03-01 | 2017-03-01 | A kind of portable medium frequency inverter direct current rail welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118012.8A CN107052509A (en) | 2017-03-01 | 2017-03-01 | A kind of portable medium frequency inverter direct current rail welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107052509A true CN107052509A (en) | 2017-08-18 |
Family
ID=59622790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710118012.8A Pending CN107052509A (en) | 2017-03-01 | 2017-03-01 | A kind of portable medium frequency inverter direct current rail welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052509A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746961A (en) * | 2018-04-27 | 2018-11-06 | 温岭市电焊设备厂 | Glisten medium frequency inverter direct current rail welding machine |
| CN113547193A (en) * | 2021-08-06 | 2021-10-26 | 贵州电网有限责任公司 | Solid-state welding method and device for weather-resistant steel section |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202336659U (en) * | 2011-10-15 | 2012-07-18 | 常州市瑞泰工程机械有限公司 | Direct-current welder |
| CN202741914U (en) * | 2012-06-25 | 2013-02-20 | 应城骏腾发自动焊接装备有限公司 | Intermediate-frequency-inversion direct-current welding power supply |
| CN203599700U (en) * | 2013-12-05 | 2014-05-21 | 上海豪精机电有限公司 | Medium-frequency inversion type point projection welder |
| CN205057280U (en) * | 2015-07-23 | 2016-03-02 | 北京中铁科新材料技术有限公司 | Suspension type rail flash butt welding thermal treatment machine |
| CN206550473U (en) * | 2017-03-01 | 2017-10-13 | 上海一带轨道焊接科技有限公司 | A kind of portable medium frequency inverter direct current rail welding machine |
-
2017
- 2017-03-01 CN CN201710118012.8A patent/CN107052509A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202336659U (en) * | 2011-10-15 | 2012-07-18 | 常州市瑞泰工程机械有限公司 | Direct-current welder |
| CN202741914U (en) * | 2012-06-25 | 2013-02-20 | 应城骏腾发自动焊接装备有限公司 | Intermediate-frequency-inversion direct-current welding power supply |
| CN203599700U (en) * | 2013-12-05 | 2014-05-21 | 上海豪精机电有限公司 | Medium-frequency inversion type point projection welder |
| CN205057280U (en) * | 2015-07-23 | 2016-03-02 | 北京中铁科新材料技术有限公司 | Suspension type rail flash butt welding thermal treatment machine |
| CN206550473U (en) * | 2017-03-01 | 2017-10-13 | 上海一带轨道焊接科技有限公司 | A kind of portable medium frequency inverter direct current rail welding machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746961A (en) * | 2018-04-27 | 2018-11-06 | 温岭市电焊设备厂 | Glisten medium frequency inverter direct current rail welding machine |
| CN113547193A (en) * | 2021-08-06 | 2021-10-26 | 贵州电网有限责任公司 | Solid-state welding method and device for weather-resistant steel section |
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