CN202162498U - Electron beam welding device for steel rail - Google Patents
Electron beam welding device for steel rail Download PDFInfo
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- CN202162498U CN202162498U CN2011202628638U CN201120262863U CN202162498U CN 202162498 U CN202162498 U CN 202162498U CN 2011202628638 U CN2011202628638 U CN 2011202628638U CN 201120262863 U CN201120262863 U CN 201120262863U CN 202162498 U CN202162498 U CN 202162498U
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Abstract
The utility model belongs to the technical field of metal welding in the material processing technology and relates to a welding device for a section bar, in particular to an electron beam welding device for a steel rail. The device comprises a base plate, a guide rail, a left box body, a vacuum electron gun, an electron gun moving device, a right box body, a pump package, a movable support and a screw rod, wherein static sealing rings are embedded in the left box body and the right box body and are used for sealing the left box body, the steel rail to be welded and the right box body; the right box body is fixedly connected with the base plate; the guide rail is arranged on the upper surface of the base plate; and the movable support is arranged on the base plate, and the screw rod is fixed on the left box body through one end of the movable support. In the electron beam welding device, the welding position adopts the vacuum seal, the welding line component is stable, the welding quality is high, and the qualification ratio under first acceptance check is high; a local vacuum sealed environment is formed so as to realize the electron beam welding of large components and to expand the application range of the electron beam; the assemble and the operation are convenient, and the steel rail is accurately positioned; and the high-power electron beam is used as the heat source, the deformation of the steel rail is small, and the ratio of depth to width of the welding is large, and the welding efficiency is high.
Description
Technical field
The utility model relates to a kind of welder of section bar, is specifically related to a kind of electron beam welding device of rail, belongs to metal welding techniques field in the materials processing technology.
Background technology
The solder technology of gapless track is one of key technology of development seamless railway, and the rail welding method of tradition employing both at home and abroad has 4 kinds: flash welding, gas pressure welding, exothermic welding and arc welding.China mainly adopts preceding 3 kinds of weldering methods.Though the solder technology of rail has been tending towards ripe and stable basically at present; But still there is bigger problem in the quality of welding point, puts it briefly, and is exactly that the flash welding welding quality is unbalanced; Gas pressure welding, exothermic welding end breakage rate are higher, and delivery-check qualified rate of gas pressure welding is low.Electron beam welding be with high-power electron beam as the processing thermal source, the metal with the beam bombardment weldment joint of high-energy-density makes its Flashmelt, cools off the purpose that reaches welding then rapidly.Electron beam welding is to carry out in a vacuum, the chemical composition stability of weld seam and pure, and strength of joint is high, and weldquality is high; Because electron beam welding speed is fast, its heat affected area is little, and the sweating heat distortion is little; Simultaneously, electron beam welding can obtain the big weld seam of depth-to-width ratio (20: 1～50: 1), can the square groove once-forming when welding thick.Through years of development, electron Beam Machining has become mature technique at present, is in steady development, expanding application stage.
Chinese invention patent publication number CN1180771A discloses a kind of weldless overlength and has connected the method for rail and the structure of end of rail, to rail head cross-section processing angle face, and adopts connecting plate to utilize bolt to connect from web of the rail both sides.Chinese invention patent publication number CN1914377A discloses welding equipment and the welding method that a kind of welded rails two one steel rails are used, and a kind of pressure welding equipment and method are provided, and can be to realize overlap excision and welding point cooling.Chinese invention patent Granted publication CN1865594B discloses welding machine and welding method that a kind of welded rails rail is used, accomplishes the welding of rail through rail pulling device and welding machine acting in conjunction.Chinese invention patent Granted publication CN101474713B discloses a kind of potassium steel and has removed fork and dock welding method with rail flash, and the employing stainless steel utilizes flash butt welding technology will connect medium and rail to being welded into one as the connection medium.
The utility model content
The purpose of the utility model be weldquality problem such as be easy to generate in order to solve in the prior art rail welding that quality is unbalanced, end breakage rate is high, delivery-check qualified rate is low and welder complicated, need problems such as packing material, inefficiency, a kind of electron beam welding device of rail is proposed.
The purpose of the utility model realizes through following technical scheme.
The electron beam welding device of a kind of rail of the utility model comprises base plate, guide rail, left box body, vacuum electronic rifle, electron gun mobile device, right case, pump group, mobile support saddle and leading screw; The cross sectional shape of the cross sectional shape of left box body and the cross sectional shape of right case and rail to be welded matches; Left box body and right case respectively process rail section to be welded size half; Left box body and right case are inlaid with the static seal circle, through the static seal circle left box body, rail to be welded and right case are sealed; Left box body, right case and rail to be welded form the local vacuum sealing device; Right case is fixedly connected with base plate; The upper surface of base plate has guide rail; Mobile support saddle is positioned at above the base plate, and leading screw is fixed on the left box body through an end of mobile support saddle; There is working groove the bottom surface of left box body, and is positioned over above the guide rail; Rotatablely moving on the mobile support saddle left box body is moved through leading screw on base plate along guide rail; The installation site of electron gun mobile device is all left in the top of right case, right flank and bottom; Carry out movable sealing through dynamic seal ring between electron gun mobile device and the right case; The bottom of the right flank of right case is equipped with the pump group, through the pump group local vacuum sealing device is vacuumized; The pump group is made up of mechanical pump, diffusion pump and lobe pump.
The electro-beam welding method of a kind of rail that carries out according to said apparatus; Adopt the electron beam welding thermal source to weld; Utilize the local vacuum sealing device to carry out seal protection in rail welding to be welded position,, realize the electron beam welding of rail to be welded according to the welding condition of preset; Concrete steps are:
1) passes through rotating threaded shaft; Make left box body move to left end; Two sections rail to be welded are installed, make the welding point of two sections rail to be welded be positioned at the vacuum electronic rifle under, and then reverse rotation leading screw; Move left box body to right-hand member, left box body, right case and two sections rail to be welded constitute the local vacuum sealing device;
2) according to the characteristic of rail to be welded; Confirm the welding times of rail to be welded; Select the installation site of electron gun mobile device, utilize dynamic seal ring to make electron gun mobile device and right case constitute movable sealing, and electron gun is fixed on above the electron gun mobile device;
3) utilize the pump group that local vacuum sealing device is carried out vacuum pumping, the welding point of two sections rail to be welded is carried out vacuum protection;
4) utilize the control system of electron-beam welder to write welding procedure, promptly write the welding condition program of welding times, walking path program and the vacuum electronic rifle of vacuum electronic rifle; Wherein, Welding times is by rail characteristics determined to be welded; The walking path program of vacuum electronic rifle is by the welding point shape decision of two sections rail to be welded, and the welding condition program of vacuum electronic rifle comprises confirming of following welding condition: beam voltage, electron beam focus current, electron beam line, electron beam line rising or falling speed and speed of welding;
5) carry out the electron beam welding of two sections rail to be welded according to the welding procedure of preset.
When 6) rail welding number of times to be welded was multiple welding, repeating step 2 successively) to 5) operation.
Beneficial effect
The utility model adopts vacuum seal to the welding position, and composition of weld line is stable, and welding quality is high, once delivers for a check the rate height; The local vacuum sealing environment of setting up can be realized the electron beam welding of large-scale component, expands the range of application of electron beam; Assembly manipulation is simple, and the rail location accurately; The employing high-power electron beam is a welding heat source, and the rail distortion is little, and the welding depth-to-width ratio is big, and welding efficiency is high.
Description of drawings
Fig. 1 is the electron beam welding apparatus structure sketch map of the rail of the utility model;
Fig. 2 is the internal structure sketch map of local vacuum sealing device in the electron beam welding device of rail;
Wherein, 1-base plate, 2-guide rail, 3-left box body, 4-vacuum electronic rifle, 5-electron gun mobile device, 6-right case, 7-rail to be welded, 8-pump group, 9-mobile support saddle, 10-leading screw, 11-static seal circle, 12-dynamic seal ring.
The specific embodiment
Through instance the utility model is further described below, but the utility model is not limited only to embodiment.
Embodiment 1
Two sections light rails that rail is 9Kg/m to be welded, its joint to be welded is the plane; The weld seam form is a banjo fixing butt jointing;
A kind of electron beam welding device of rail, as depicted in figs. 1 and 2; Comprise base plate 1, guide rail 2, left box body 3, vacuum electronic rifle 4, electron gun mobile device 5, right case 6, pump group 8, mobile support saddle 9 and leading screw 10; The cross sectional shape of the cross sectional shape of the cross sectional shape of left box body 3 and right case 6 and rail to be welded 7 matches; Left box body 3 respectively processes rail 7 sectional dimensions to be welded half with right case 6; Left box body 3 is inlaid with static seal circle 11 with right case 6, through static seal circle 11 left box body 3, rail to be welded 7 and right case 6 is sealed; Left box body 3, right case 6 form the local vacuum sealing device with rail 7 to be welded; Right case 6 is fixedly connected with base plate 1; The upper surface of base plate 1 has guide rail 2; Mobile support saddle 9 is positioned at above the base plate 1, and leading screw 10 is fixed on the left box body 3 through an end of mobile support saddle 9; There is working groove the bottom surface of left box body 3, and is positioned over above the guide rail 2; Rotatablely moving on the mobile support saddle 9 left box body 3 is moved through leading screw 10 on base plate 1 along guide rail 2; The installation site of electron gun mobile device 5 is all left in the top of right case 6, right flank and bottom; Carry out movable sealing through dynamic seal ring 12 between electron gun mobile device 5 and the right case 6; The bottom of the right flank of right case 6 is equipped with pump group 8, vacuumizes through 8 pairs of local vacuum sealing devices of pump group; Pump group 8 is made up of mechanical pump, diffusion pump and lobe pump.
1) utilize manual mode to drive leading screw 10 rotations; Make left box body 3 move to left end; Two sections rail to be welded are installed, make the welding point of two sections rail to be welded be positioned at vacuum electronic rifle 4 under, reverse then manual drives leading screw 10; Move left box body 3 to right-hand member, and constitute the local vacuum sealing device with rail 7 and right case 6;
2) because the welded rails size is less, can be through once welding completion, therefore, the welding times of present embodiment is 1 time.Vacuum electronic gun moving device 5 is installed in the top of right case 6, can on right case, realize compound movement through dynamic seal ring 12.Electron gun 4 is installed in above the mobile device 5.
3) utilize 8 pairs of local vacuum sealing devices of pump group to carry out vacuum pumping, making the vacuum in the local vacuum sealing device is 4 * 10
-3Mbar carries out vacuum protection to the welding point of two sections rail to be welded;
4) utilize the control system of electron-beam welder to write welding procedure, promptly write the welding condition program of welding times, walking path program and the vacuum electronic rifle 4 of vacuum electronic rifle 4; Wherein, Welding times is 1 time; The walking path of vacuum electronic rifle 4 is a linear reciprocating motion; Beam voltage 65kV, electron beam focus current 3200mA in the welding condition program of vacuum electronic rifle 4, electron beam line 250mA, electron beam line rising or falling speed 1000mA/s and speed of welding 12mm/s;
5) carry out the electron beam welding of two ends section rail to be welded according to the welding procedure of preset.
Two sections rail that rail is 60Kg/m to be welded, its joint to be welded is the plane; The weld seam form is a banjo fixing butt jointing;
A kind of electron beam welding device of rail, as depicted in figs. 1 and 2; Comprise base plate 1, guide rail 2, left box body 3, vacuum electronic rifle 4, electron gun mobile device 5, right case 6, pump group 8, mobile support saddle 9 and leading screw 10; The cross sectional shape of the cross sectional shape of the cross sectional shape of left box body 3 and right case 6 and rail to be welded 7 matches; Left box body 3 respectively processes rail 7 sectional dimensions to be welded half with right case 6; Left box body 3 is inlaid with static seal circle 11 with right case 6, through static seal circle 11 left box body 3, rail to be welded 7 and right case 6 is sealed; Left box body 3, right case 6 form the local vacuum sealing device with rail 7 to be welded; Right case 6 is fixedly connected with base plate 1; The upper surface of base plate 1 has guide rail 2; Mobile support saddle 9 is positioned at above the base plate 1, and leading screw 10 is fixed on the left box body 3 through an end of mobile support saddle 9; There is working groove the bottom surface of left box body 3, and is positioned over above the guide rail 2; Rotatablely moving on the mobile support saddle 9 left box body 3 is moved through leading screw 10 on base plate 1 along guide rail 2; The installation site of electron gun mobile device 5 is all left in the top of right case 6, right flank and bottom; Carry out movable sealing through dynamic seal ring 12 between electron gun mobile device 5 and the right case 6; The bottom of the right flank of right case 6 is equipped with pump group 8, vacuumizes through 8 pairs of local vacuum sealing devices of pump group; Pump group 8 is made up of mechanical pump, diffusion pump and lobe pump.
1) utilizes 10 rotations of motor-driven leading screw; Make left box body 3 move to left end; Two sections rail 7 to be welded are installed, make the welding point of two sections rail to be welded be positioned at vacuum electronic rifle 4 under, reverse drive motor then; Utilize the rotation of leading screw 10 to move left box body 3, and constitute the local vacuum sealing device with rail 7 and right case 6 to right-hand member;
2) because the welded rails size is less, need accomplish through multiple welding at diverse location, therefore, the welding times of present embodiment is 3 times.During the 1st welding, vacuum electronic gun moving device 5 is installed in the top of right case 6, and electron gun 4 is installed in above the mobile device 5.
3) utilize 8 pairs of local vacuum sealing devices of pump group to carry out vacuum pumping, making the vacuum in the local vacuum sealing device is 4 * 10
-3Mbar carries out vacuum protection to the welding point of two sections rail 7 to be welded;
4) utilize the control system of electron-beam welder to write welding procedure, promptly write the welding condition program of welding times, walking path program and the vacuum electronic rifle 4 of vacuum electronic rifle 4; Wherein, Welding times is 3 times; The walking path of vacuum electronic rifle 4 is a linear reciprocating motion; Beam voltage 60kV, electron beam focus current 4000mA in the welding condition program of vacuum electronic rifle 4, electron beam line 200mA, electron beam line rising or falling speed 1000mA/s and speed of welding 15mm/s;
5) carry out the electron beam welding at two sections rail tops to be welded according to the welding procedure of top preset.
When 6) welding for the 2nd time, vacuum electronic gun moving device 5 is installed in the right flank of right case 6, and electron gun 4 is installed in above the mobile device 5.
7) utilize 8 pairs of local vacuum sealing devices of pump group to carry out vacuum pumping, making the vacuum in the local vacuum sealing device is 4 * 10
-3Mbar carries out vacuum protection to the welding point of two sections rail to be welded;
8) utilize the control system of electron-beam welder to write welding procedure, promptly write the welding condition program of welding times, walking path program and the vacuum electronic rifle 4 of vacuum electronic rifle 4; Wherein, Welding times is 3 times; The walking path of vacuum electronic rifle 4 is a linear reciprocating motion; Beam voltage 50kV, electron beam focus current 2800mA in the welding condition program of vacuum electronic rifle 4, electron beam line 100mA, electron beam line rising or falling speed 1000mA/s and speed of welding 15mm/s;
9) carry out the electron beam welding of two sections rail waists to be welded according to the welding procedure of top preset.
When 10) welding for the 3rd time, vacuum electronic gun moving device 5 is installed in the bottom surface of right case 6, and electron gun 4 is installed in above the mobile device 5.
11) utilize 8 pairs of local vacuum sealing devices of pump group to carry out vacuum pumping, making the vacuum in the local vacuum sealing device is 4 * 10
-3Mbar carries out vacuum protection to the welding point of two sections rail to be welded;
12) utilize the control system of electron-beam welder to write welding procedure, promptly write the welding condition program of welding times, walking path program and the vacuum electronic rifle 4 of vacuum electronic rifle 4; Wherein, Welding times is 3 times; The walking path of vacuum electronic rifle 4 is a linear reciprocating motion; Beam voltage 60kV, electron beam focus current 3700mA in the welding condition program of vacuum electronic rifle 4, electron beam line 80mA, electron beam line rising or falling speed 1000mA/s and speed of welding 15mm/s;
13) carry out the electron beam welding of two sections rail foot to be welded according to the welding procedure of top preset.
Claims (1)
1. the electron beam welding device of a rail is characterized in that: comprise base plate (1), guide rail (2), left box body (3), vacuum electronic rifle (4), electron gun mobile device (5), right case (6), pump group (8), mobile support saddle (9) and leading screw (10); The cross sectional shape of the cross sectional shape of the cross sectional shape of left box body (3) and right case (6) and rail to be welded (7) matches; Left box body (3) and right case (6) respectively process half rail to be welded (7) sectional dimension; Left box body (3) and right case (6) are inlaid with static seal circle (11), through static seal circle (11) left box body (3), rail to be welded 7 and right case (6) are sealed; Left box body (3), right case (6) form the local vacuum sealing device with rail to be welded (7); Right case (6) is fixedly connected with base plate (1); The upper surface of base plate (1) has guide rail (2); Mobile support saddle (9) is positioned at above the base plate (1), and leading screw (10) is fixed on the left box body (3) through an end of mobile support saddle (9); There is working groove the bottom surface of left box body (3), and is positioned over above the guide rail (2); Rotatablely moving on the mobile support saddle (9) left box body (3) is moved through leading screw (10) on base plate (1) along guide rail (2); The installation site of electron gun mobile device (5) is all left in top, right flank and the bottom of right case (6); Carry out movable sealing through dynamic seal ring (12) between electron gun mobile device (5) and the right case (6); The bottom of the right flank of right case (6) is equipped with pump group (8), through pump group (8) local vacuum sealing device is vacuumized; Pump group (8) is made up of mechanical pump, diffusion pump and lobe pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202628638U CN202162498U (en) | 2011-07-25 | 2011-07-25 | Electron beam welding device for steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202628638U CN202162498U (en) | 2011-07-25 | 2011-07-25 | Electron beam welding device for steel rail |
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| Publication Number | Publication Date |
|---|---|
| CN202162498U true CN202162498U (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202628638U Expired - Lifetime CN202162498U (en) | 2011-07-25 | 2011-07-25 | Electron beam welding device for steel rail |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275037A (en) * | 2011-07-25 | 2011-12-14 | 车军 | Electron beam welding device and method for steel rail |
| CN102593688A (en) * | 2012-03-19 | 2012-07-18 | 辽宁省电力有限公司抚顺供电公司 | Portable welding device for communication coaxial cable joint |
| CN104772558A (en) * | 2015-04-08 | 2015-07-15 | 桂林实创真空数控设备有限公司 | Built-in type three-dimensional dynamic gun numerical control vacuum electron beam welding machine |
| CN106938368A (en) * | 2017-05-03 | 2017-07-11 | 桂林实创真空数控设备有限公司 | A kind of local dynamic sealing motion of the straight line with X-ray protection |
| CN114324590A (en) * | 2021-12-29 | 2022-04-12 | 北京信泰智合科技发展有限公司 | Ultrasonic probe coupling liquid retaining device, steel rail monitoring system and method |
| CN115846842A (en) * | 2023-03-03 | 2023-03-28 | 中国航空制造技术研究院 | Vacuum electron beam welding equipment and welding method for ultra-large door-shaped frame structure |
| CN117583714A (en) * | 2024-01-19 | 2024-02-23 | 中国航空制造技术研究院 | Partial high-vacuum electron beam welding device and method for aviation large-scale plate-shaped structure |
-
2011
- 2011-07-25 CN CN2011202628638U patent/CN202162498U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275037A (en) * | 2011-07-25 | 2011-12-14 | 车军 | Electron beam welding device and method for steel rail |
| CN102275037B (en) * | 2011-07-25 | 2013-05-29 | 车军 | Electron beam welding device and method for steel rail |
| CN102593688A (en) * | 2012-03-19 | 2012-07-18 | 辽宁省电力有限公司抚顺供电公司 | Portable welding device for communication coaxial cable joint |
| CN102593688B (en) * | 2012-03-19 | 2014-07-16 | 辽宁省电力有限公司抚顺供电公司 | Portable welding device for communication coaxial cable joint |
| CN104772558A (en) * | 2015-04-08 | 2015-07-15 | 桂林实创真空数控设备有限公司 | Built-in type three-dimensional dynamic gun numerical control vacuum electron beam welding machine |
| CN106938368A (en) * | 2017-05-03 | 2017-07-11 | 桂林实创真空数控设备有限公司 | A kind of local dynamic sealing motion of the straight line with X-ray protection |
| CN106938368B (en) * | 2017-05-03 | 2023-09-19 | 桂林实创真空数控设备有限公司 | Linear local dynamic seal movement mechanism with X-ray protection function |
| CN114324590A (en) * | 2021-12-29 | 2022-04-12 | 北京信泰智合科技发展有限公司 | Ultrasonic probe coupling liquid retaining device, steel rail monitoring system and method |
| CN114324590B (en) * | 2021-12-29 | 2024-03-08 | 北京信泰智合科技发展有限公司 | Ultrasonic probe coupling liquid holding device, steel rail monitoring system and method |
| CN115846842A (en) * | 2023-03-03 | 2023-03-28 | 中国航空制造技术研究院 | Vacuum electron beam welding equipment and welding method for ultra-large door-shaped frame structure |
| CN117583714A (en) * | 2024-01-19 | 2024-02-23 | 中国航空制造技术研究院 | Partial high-vacuum electron beam welding device and method for aviation large-scale plate-shaped structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120314 Effective date of abandoning: 20130529 |
|
| RGAV | Abandon patent right to avoid regrant |