CN206689601U - Flash butt welder for steel ring welding - Google Patents
Flash butt welder for steel ring welding Download PDFInfo
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- CN206689601U CN206689601U CN201720385557.0U CN201720385557U CN206689601U CN 206689601 U CN206689601 U CN 206689601U CN 201720385557 U CN201720385557 U CN 201720385557U CN 206689601 U CN206689601 U CN 206689601U
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Abstract
It the utility model is related to automatic welding device technical field, specifically a kind of flash butt welder for steel ring welding.The annular steel ring generally use more piece segmental arc splicing manual welding of major diameter at present, welding precision and less efficient.Technical solutions of the utility model include support assembly, quiet, motivation seat assembly and upsetting device；Support assembly is oppositely arranged on the inside of the frame structure into frame structure, quiet support with engine-bed；Quiet support and fixed tailstock and frame top insulation are affixed, engine-bed is slidably assemblied in frame top, first and second workpiece screens is respectively equipped with two supports, and perpendicular positioning reference plane and horizontal location reference plane are provided with, to ensure that steel ring meets the error requirements of axial end flatness and radial direction cylindricity etc. after welding.The utility model is applied to the welding of large diameter thin wall steel ring or assembled welding, and its product quality welded is stable, and geometric accuracy is reliable, and operating efficiency greatly improved.
Description
Technical field
It the utility model is related to automatic welding device technical field, specifically a kind of flash of light pair for steel ring welding
Welding machine, for the welding of large diameter thin wall steel ring or assembled welding.
Background technology
The thin-walled steel ring of large-diameter circular ring-shaped at present, generally formed by more piece segmental arc splicing welding processing.Due to big straight
The thin-walled steel ring of footpath toroidal is strict to requirements such as axial end flatness, radial direction cylindricities, using the processing method of routine
Quality requirement can not be met.Such as in the manufacture of large-scale wind electricity retainer, it is common practice that first make 2~3 sections with circular hole
Circular Steel band, pitch error is less than 0.2 between each circular hole thereon；Then by above-mentioned 2~3 sections of Circular Steel bands splicing welding cyclization
Shape；The retainer requires that its axial end flatness is 0.2 when shaping, radial direction cylindricity is 0.2, the mother rib lateral rotundum of soldered two
Between pitch error be less than 0.2；The assembled welding of wind power bearing retainer shaping at present is general to fetch completion using manual welding more,
Its weld appearance quality and inherent quality are extremely unstable, be mainly manifested at butt weld have obvious horizontal direction mismatch and
Vertical direction misplaces, and has the weld defects such as slag inclusion, crack, stomata, sand holes in weld seam, weld joint mechanical intensity is less than fertile material
Mechanical strength, not only processing efficiency is relatively low, and uniformity of manual precision, soldering reliability, product etc. can not
Compared with the welding quality of flash butt welder, it is impossible to meet the needs of scope of the enterprise processing；Carried out using Flash Butt Welding technology
The welding of large thin-wall steel ring is a blank of domestic welding field.
The content of the invention
The purpose of this utility model is for above-mentioned deficiency and a kind of flash butt welder for steel ring welding of design, with
Solve problems of the prior art, to ensure that welding quality stable is reliable, product geometric accuracy is precisely consistent, and carry significantly
High productivity ratio.
The technical solution of the utility model is：Including support assembly, quiet support assembly, motivation seat assembly and upsetting device；
Described support assembly includes frame, fixed tailstock, locking beam, hold-down support；Fixed tailstock and hold-down support point
The left and right ends of frame top are not fixed on, and the upper end of fixed tailstock and hold-down support links by locking beam, makes frame, fixation
Tailstock, hold-down support and locking beam form firm frame structure, and quiet support is oppositely arranged installed in the framework knot with engine-bed
On the inside of structure；
On the outside of quiet support and bottom is fixedly connected with fixed tailstock and frame top insulation respectively, and engine-bed bottom passes through cunning
Motivation structure is assemblied in frame top, make engine-bed can horizontal transverse movement, away from or close to quiet support；
The respective side of quiet support and engine-bed is respectively equipped with one group of clamp system, and it is total to respectively constitute quiet support assembly, engine-bed
Into；
Clamp system includes being used for slide, drive division, the electrode briquetting of control slide folding for realizing workpiece screens folding
And the tape conductor being connected with electrode briquetting；The slide of two support clamp systems is slidably assembled by guiding mechanism respectively
On quiet, engine-bed, electrode briquetting is arranged on the front end of slide through tape conductor, the rear ends of two slides respectively be fixed on it is quiet,
Drive division connection on engine-bed；
The clamp system side-by-side parallel of two supports is laid, and the slide direction of motion of clamp system and the engine-bed direction of motion
Vertically；
The electrode briquetting of the clamp system of quiet support side is relative with the first jaw position being fixed on quiet support to be formed
First workpiece screens；The electrode briquetting of the clamp system of engine-bed side is relative with the second jaw position being fixed on engine-bed
Form second workpiece screens；The first described jaw and the face that clamps together of the second jaw are located in same vertical plane, form vertical
Locating surface；Quiet support is provided with first level location-plate, and engine-bed is provided with the second horizontal location plate, first level location-plate and second
Horizontal location plate is located at first and second workpiece screens both sides respectively, and the working face of two location-plates is located in the same horizontal plane, and forms
Horizontal location face；
The upsetting device is assemblied on hold-down support, and ejection part and the engine-bed of upsetting device link and promote engine-bed
Moved along sliding equipment.
Further, the sliding equipment is to be arranged on the cunning thick stick of engine-bed bottom and be fixed on frame top and slided with sliding thick stick
The dynamic cunning thick stick seat coordinated.
Further, described upsetting device is the upset oil cylinder being horizontally arranged on hold-down support, the piston of upset oil cylinder
Boom end is linked with engine-bed by upsetting flange and drives engine-bed to be moved along sliding equipment.
Further, the structure of the guiding mechanism is two guide rods be arrangeding in parallel and the guiding for being arranged on slide bottom
Set.
Further, the drive division of the clamp system uses clamping cylinder hydraulic-driven, and the cylinder body of clamping cylinder is consolidated respectively
It is scheduled on dynamic and static support.
Further, described tape conductor and slide are affixed, and electrode briquetting is provided with corresponding with tape conductor contact surface
Neck, is embedded with linking bond in neck, electrode briquetting is fastened by bolts on linking bond.
Further, the first described jaw and the second jaw are fixedly connected by jaw anvil iron with quiet support, engine-bed.
Further, between the clamp system of described quiet support pedestal and quiet support and engine-bed pedestal and engine-bed
Stopping means is equipped between clamp system, the stopping means includes being arranged on positive stop quiet, on engine-bed pedestal and installation
Position limiting slide block on quiet, engine-bed clamp system slide, positive stop contradicts with position limiting slide block to be coordinated.
Further, the face that clamps together of the first described jaw and the second jaw is provided with anti-slip veins.
Further, the face that clamps together of the first described jaw and the second jaw is provided with anti-skid stud, and the two of first, second jaw
Pitch between the interval location of individual anti-skid stud and the circular hole on welded part is identical.
The beneficial effects of the utility model are：Technology novel structure is reasonable, realizes large-diameter circular annular steel ring high accuracy
Welding, it has filled up the blank of domestic Flash Butt Welding large-diameter circular annular steel ring technical field.The flash butt welder is in welding steel
During circle, clip is distinguished into first and two in workpiece screens, by positioned at quiet, dynamic in the weld bond ends of two sections of steel ring segmental arcs to be welded
First and second jaw perpendicular positioning on support, the positioning of first and second horizontal location plate level, steel band is set to meet axial end after welding
The error requirements of facial plane degree and radial direction cylindricity etc., overcome using manual welding inherent quality is poor, geometric accuracy one
The defects of cause property difference；The utility model realizes high-quality welding processing large diameter thin wall steel ring（As large-scale wind electricity bearing is kept
Frame steel ring）, make weld joint mechanical intensity consistent with the mechanical strength of fertile material, Product jointing steady quality, geometric accuracy is high, greatly
Width improves operating efficiency and welding quality.
Brief description of the drawings
Fig. 1 is device structure front view of the present utility model；
Fig. 2 is device structure top view of the present utility model（Remove locking beam）；
Fig. 3 is Fig. 1 B-B direction sectional view（Quiet support side）；
Fig. 4 is Fig. 1 C-C to sectional view（Engine-bed side）；
Fig. 5 is the connection structure diagram of electrode briquetting and tape conductor；
Fig. 6 is Fig. 2 D-D to sectional view（First and second jaw partial view）.
Embodiment
In figure：1st, frame, 2, fixed tailstock, 3, locking beam, 4, quiet support, 5, first level location-plate, 6, electrode briquetting,
7th, engine-bed, 8, sliding thick stick, 9, sliding thick stick seat, the 10, second horizontal location plate, 11, upsetting flange, 12, hold-down support, 13, upset oil
Cylinder, 14, positive stop, 15, position limiting slide block, 16, slide, 17, clamping cylinder, 18, clamping flange, 19, jaw anvil iron, 20,
First jaw, the 21, second jaw, 22, welded piece, 23, linking bond, 24, guide rod, 25, guide sleeve, 26, tape conductor,
27th, anti-skid stud.
Embodiment 1
It was found from Fig. 1~Fig. 5, the technical solution of the utility model is：Including support assembly, quiet support assembly, engine-bed
Assembly and upsetting device；
Described support assembly includes frame 1, fixed tailstock 2, locking beam 3, hold-down support 12；Fix tailstock 2 and fix
Bearing 12 is separately fixed at the left and right ends at the top of frame 1, and the upper end of fixed tailstock 2 and hold-down support 12 is connected by locking beam 3
Knot, frame 1, fixed tailstock 2, hold-down support 12 and locking beam 3 is set to form firm frame structure, quiet support 4 and the phase of engine-bed 7
It is arranged on to setting on the inside of the frame structure；To ensure that the flash butt welder for being used for steel ring welding is implementing the process of weld job
In, it will not produce any displacement and deformation between fixed tailstock 2 and hold-down support 12 and frame 1.
In order to preferably ensure that whole support assembly is that a firm rigid system is to ensure the base of steel ring welding quality
Plinth condition, can respectively it be set necessarily in described fixation tailstock 2 and the both ends of hold-down support 12 after the completion of quiet, engine-bed general assembly
Position block, fixed tailstock 2, hold-down support 12 and frame 1 are welded into overall structure by two locating pieces.
The outside of quiet support 4 and bottom are fixedly connected with fixed tailstock 2 and the top of frame 1 respectively, described fixation tailstock 2 with
Pad is equipped with insulating pad between the quiet lateral surface of support 4 and between the bottom surface of the top surface of frame 1 and quiet support 4；For quiet support 4 with
The bolt that frame 1, fixed tailstock 2 connect is respectively arranged with insulation sleeve, insulating washer, is connected with ensuring to insulate between quiet support 4 and frame 1
Connect.
The bottom of engine-bed 7 is assemblied in the top of frame 1 by sliding equipment, make engine-bed 7 can transverse shifting, it is remote or close
Quiet support 4；
In the present embodiment the structure of sliding equipment be arranged on the cunning thick stick 8 of the bottom of engine-bed 7 and be fixed on the top of frame 1 and
The cunning thick stick seat 9 being slidably matched with sliding thick stick 8.
Quiet support 4 side corresponding with engine-bed 7 is respectively equipped with one group of clamp system, is formed respectively with quiet, engine-bed quiet
Support assembly, motivation seat assembly；
Clamp system includes being used for slide 16, drive division, the electrode of the control folding of slide 16 for realizing workpiece screens folding
Briquetting 6 and the tape conductor 26 being connected with electrode briquetting 6；Two levels are respectively provided with quiet, engine-bed pedestal and are be arranged in parallel
Guide rod 24, the slide 16 of two support clamp systems is slidably assemblied in guiding by the guide sleeve 25 of slide bottom respectively
On bar 24；The drive division of the clamp system uses hydraulic-driven, i.e., quiet, engine-bed respectively drives slide using a clamping cylinder 17
16 motions, the cylinder body of clamping cylinder 17 are separately fixed on dynamic and static support；In the clamping process of workpiece, engine-bed side clamps
Along 24 smooth slip of guide rod, can offset clamping deflection torque makes for the slide 16 of mechanism and the slide 16 of quiet support side clamp system
Horizontal torsion phenomenon caused by two slides；
The clamp system side-by-side parallel of two supports is laid, and the horizontal open and close movement direction of clamp system slide and engine-bed
7 directions of motion are vertical.
Electrode briquetting 6 is arranged on the front end of slide 16 through tape conductor 26, and the rear end of two slides 16 is respectively by clamping method
The piston rod end of blue 18 clamping cylinder 17 with being fixed on quiet, engine-bed is affixed, and the oil inlet and outlet of clamping cylinder 17 is through height
Pressuring oil pipe is connected with hydraulic power unit；
Optimize as one kind, the connected mode of electrode briquetting 6, tape conductor 26 and slide 16 is：Two tape conductors 26 divide
Quiet, engine-bed slide front end is not fixed in, and electrode briquetting 6 is crimped on tape conductor 26, electrode briquetting 6 and tape conductor 26
Electrolysis be provided with corresponding neck（Groove）, linking bond 23 is inlaid in neck and connected by bolt and tape conductor 26
Connect, electrode briquetting 6 is fastened by bolts on linking bond 23, and ensures that both end faces of electrode briquetting 6 and tape conductor 26 are close
With reference to, there is provided sufficient welding current, see Fig. 3~Fig. 5.
Electrode briquetting 6 and the position phase of the first jaw 20 that is fixed on quiet support 4 positioned at the quiet side clamp system of support 4
To forming the first workpiece screens；Positioned at the clamp system of the side of engine-bed 7 electrode briquetting 6 and be fixed on engine-bed 7 the
The position of two jaw 21 is relative to form second workpiece screens；The first described jaw 20 clamps together face positioned at same with the second jaw 21
In vertical plane, both form perpendicular positioning reference plane, not produce horizontal mismatch problem when ensureing steel ring welding.
Optimize as one kind, the first described jaw 20 and the second jaw 21 are by jaw anvil iron 19 and quiet support 4, dynamic
Support 7 is fixedly connected.
Quiet support 4 is provided with first level location-plate 5, and engine-bed 7 is provided with the second horizontal location plate 10, first level location-plate
5 and second horizontal location plate 10 be located at first and second workpiece screens both sides respectively, and the working face of two location-plates is located at same level
In face, both form the horizontal location reference plane of welding, not produce vertical dislocation problem when ensureing steel ring welding.
The upsetting device is used to promote engine-bed 7 to move along sliding equipment, and upsetting device is horizontally fixed on fixation for one
Upset oil cylinder 13 on bearing 12, the piston rod end of upset oil cylinder 13 are linked and driven with engine-bed 7 by upsetting flange 11
Engine-bed 7 moves；Upset oil cylinder 13 is connected into and out of hydraulic fluid port by high-pressure oil pipe with hydraulic power unit, in Hydrauservo System
The lower upsetting device of control completes the flash butt welding course of work.
The tape conductor 26 of quiet support side is fastenedly connected through conducting copper belt and transformer；Quiet support assembly is as Flash Butt Welding
When negative pole, major function is securely to be clamped by welding requirements by welding steel circle segmental arc and make its positioning that is correctly loaded, supply
Welding circuit power supply.
The tape conductor 26 of engine-bed side is fastenedly connected through conducting copper belt and transformer；Motivation seat assembly is as Flash Butt Welding
When positive pole, its major function is securely to be clamped by welding requirements by another segmental arc of welding steel circle and it is correctly loaded fixed
Position, supply welding circuit power supply；The speed change movement in welding process and welding top are completed in the presence of upset oil cylinder 13 simultaneously
Forger is made.
Limited as one kind, between the clamp system of the described pedestal of quiet support 4 and quiet support side and engine-bed 7 seat
Stopping means is equipped between body and engine-bed side clamp system, the stopping means includes the limit being arranged on quiet, engine-bed pedestal
Position block 14 and the position limiting slide block 15 on quiet, engine-bed clamp system slide, positive stop 14 and the spacing cunning of homonymy
Block 15 slides and contradicts cooperation.
By taking quiet support side as an example（The stopping means of engine-bed side is identical with quiet support side structure and effect and is symmetrical arranged）,
Positive stop 14 is fixed on the quiet pedestal of support 4, and position limiting slide block 15 is fixed on the slide 16 of quiet support clamp system, first
When workpiece screens clamps workpiece, position limiting slide block 15 slides under the drive of slide 16 along positive stop 14, is limited in clamping process
Position block 14 contradicts with position limiting slide block 15 to be coordinated, and anti-by the first jaw 20 in the moment of clamping, partial offset slide 16
Active force and caused horizontal torsion phenomenon.
The first described jaw 20 and the face that clamps together of the second jaw 21 are provided with anti-slip veins.
During welding, the clamping cylinder 17 on quiet support 4, engine-bed 7 is saved by welder with appropriate clamping force by two
Part 22（Steel band）It is press respectively against the first workpiece screens（The side of first jaw 20）And second workpiece screens（The side of second jaw 21）It is interior, two
The clamping cylinder 17 of support promotes slide 16 along guide rod 24 to jaw（First and second jaw）Direction move, make electrode briquetting 6 with
The steel band welded is pressed on jaw by enough pressure（First and second jaw）Surface, and ensure that welded piece is not in welding process
Any relative displacement can be produced, while should avoid clamping force is excessive from causing welding workpiece surface damage.Welding current is by steel band end
Face is melted, and upset oil cylinder 13 drives engine-bed 7 to drive second workpiece screens（Second jaw 21）The steel band to be welded of side is to quiet support 4
The first workpiece screens（First jaw 19）Variable motion is made in side, make to be installed in first, second workpiece screens by welding steel band
Both ends of the surface produce lintel explosion and continuously produce spatter, spray steel band both ends of the surface oxide, and firmly extrude steel band both ends
Face is allowed to melt binding and forms one completion welding, sees accompanying drawing 2.
Embodiment 2
When welding processing carries the arc steel band with circular hole, it must ensure that pitch is smart between the mother rib lateral rotundum of soldered two after welding
Degree.As can be seen from Figure 6, the present embodiment difference from Example 1 is, in the pincers of described the first jaw 20 and the second jaw 21
Conjunction face（Perpendicular positioning reference plane）It is provided with the interval location of two anti-skid stud 27 of anti-skid stud 27, the first jaw 20 and the second jaw 21
Pitch between the circular hole on welded part is identical.During Workpiece clamping, by the anti-skid stud of the first jaw 20 and the second jaw 21
27 insertions are by the fabrication hole of the segmental arc termination of welding steel circle two, and the structure design can ensure that Workpiece clamping is firm, accurate positioning, welding
During termination, pitch between the mother rib lateral rotundum of weld seam two and overlapped by the segmental arc surface of welding steel circle two with locating datum surface.
Other technical characteristics of the present embodiment are same as Example 1.
The detailed description that technical solutions of the utility model are carried out by preferred embodiment above be it is schematical rather than
Formal limitation.Those skilled in the art can be remembered on the basis of the utility model specification is read to embodiment
The technical scheme of load is modified, or equivalent substitution is carried out to which part technical characteristic, and these modifications or replacement, and
The essence of appropriate technical solution is not set to depart from the scope of technical scheme of the embodiment of the present invention.
Claims (10)
- A kind of 1. flash butt welder for steel ring welding, it is characterised in that：Including support assembly, quiet support assembly, engine-bed Assembly and upsetting device；Described support assembly includes frame（1）, fixed tailstock（2）, locking beam（3）, hold-down support（12）；Fixed tailstock（2） And hold-down support（12）It is separately fixed at frame（1）The left and right ends at top, fixed tailstock（2）And hold-down support（12）Upper end By locking beam（3）Link, make frame（1）, fixed tailstock（2）, hold-down support（12）And locking beam（3）Form firm framework Structure, quiet support（4）With engine-bed（7）It is oppositely arranged on the inside of the frame structure；Quiet support（4）Outside and bottom are respectively with fixing tailstock 2 and frame（1）Top insulation is fixedly connected, engine-bed（7）Bottom Frame is assemblied in by sliding equipment（1）Top, make engine-bed can transverse shifting, away from or close to quiet support；Quiet support（4）With engine-bed（7）Respective side one group of clamp system is respectively housed, respectively constitute quiet support assembly, engine-bed Assembly；Clamp system includes being used for the slide for realizing workpiece screens folding（16）, control slide（16）Drive division, the electrode of folding Briquetting（6）And the tape conductor being connected with electrode briquetting（26）；The slide of two support clamp systems（16）Pass through guiding respectively Mechanism is slidably assemblied on quiet, engine-bed, electrode briquetting（6）Through tape conductor（26）Installed in slide（16）Front end, Two slides（16）Rear end be connected respectively with the drive division being fixed on quiet, engine-bed；The clamp system side-by-side parallel of two supports is laid, and the slide horizontal movement direction of clamp system and engine-bed（7）Motion Direction is vertical；Quiet support（4）The electrode briquetting of the clamp system of side（6）With being fixed on quiet support（4）On the first jaw（20）Position It is relative to form the first workpiece screens；Engine-bed（7）The electrode briquetting of the clamp system of side（6）With being fixed on engine-bed（7）On The second jaw（21）Position is relative to form second workpiece screens；The first described jaw（20）With the second jaw（21）Clamp together Face is located in same vertical plane, forms perpendicular positioning face；Quiet support（4）Provided with first level location-plate（5）, engine-bed（7） Provided with the second horizontal location plate（10）, first level location-plate（5）With the second horizontal location plate（10）It is located at first and second work respectively Part screens both sides, and the working face of two location-plates is located in the same horizontal plane, and forms horizontal location face；The upsetting device is assemblied in hold-down support（12）On, the ejection part and engine-bed of upsetting device（7）Link and promote dynamic Support（7）Moved along sliding equipment.
- A kind of 2. flash butt welder for steel ring welding according to claim 1, it is characterised in that：The sliding equipment To be arranged on engine-bed（7）The cunning thick stick of bottom（8）And it is fixed on frame（1）Top and with sliding thick stick（8）The cunning thick stick seat being slidably matched （9）.
- A kind of 3. flash butt welder for steel ring welding according to claim 1, it is characterised in that：Described upsetter Structure is to be horizontally arranged at hold-down support（12）On upset oil cylinder（13）, upset oil cylinder（13）Piston rod end pass through upset method It is blue（11）With engine-bed（7）Link and drive engine-bed（7）Moved along sliding equipment.
- A kind of 4. flash butt welder for steel ring welding according to claim 1, it is characterised in that：The guiding mechanism Structure be two guide rods be arrangeding in parallel（24）And it is arranged on slide（16）The guide sleeve of bottom（25）.
- A kind of 5. flash butt welder for steel ring welding according to claim 1 claim, it is characterised in that：It is described The drive division of clamp system uses clamping cylinder（17）Hydraulic-driven, clamping cylinder（17）Cylinder body be separately fixed at dynamic and static machine On seat.
- A kind of 6. flash butt welder for steel ring welding according to claim 1, it is characterised in that：Described banding is led Body（26）With slide（16）It is affixed, electrode briquetting（6）With tape conductor（26）Contact surface is provided with corresponding neck, and groove embeds Equipped with linking bond（23）, electrode briquetting（6）It is fastened by bolts in linking bond（23）On.
- A kind of 7. flash butt welder for steel ring welding according to claim 1, it is characterised in that：The first described pincers Mouthful（20）And second jaw（21）Pass through jaw anvil iron（19）With quiet support（4）, engine-bed（7）It is fixedly connected.
- A kind of 8. flash butt welder for steel ring welding according to any one of claim 1 to 7, it is characterised in that： Described quiet support（4）Between the clamp system of pedestal and quiet support and engine-bed（7）Pedestal and engine-bed clamp system between Stopping means is equipped with, the stopping means includes the positive stop being arranged on quiet, engine-bed pedestal（14）And installed in quiet, dynamic Support clamp system slide（16）On position limiting slide block（15）, positive stop（14）With position limiting slide block（15）Contradict and coordinate.
- 9. a kind of flash butt welder for steel ring welding according to any one of claim 1 to 7 claim, it is special Sign is：The first described jaw（20）With the second jaw（21）The face that clamps together be provided with anti-slip veins.
- 10. a kind of flash butt welder for steel ring welding according to any one of claim 1 to 7 claim, its It is characterised by：The first described jaw（20）With the second jaw（21）The face that clamps together be provided with anti-skid stud（27）, first, second pincers Two anti-skid studs of mouth（27）Interval location and welded piece（22）On circular hole between pitch it is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720385557.0U CN206689601U (en) | 2017-04-13 | 2017-04-13 | Flash butt welder for steel ring welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720385557.0U CN206689601U (en) | 2017-04-13 | 2017-04-13 | Flash butt welder for steel ring welding |
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| Publication Number | Publication Date |
|---|---|
| CN206689601U true CN206689601U (en) | 2017-12-01 |
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ID=60440819
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720385557.0U Active CN206689601U (en) | 2017-04-13 | 2017-04-13 | Flash butt welder for steel ring welding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014211A (en) * | 2019-04-18 | 2019-07-16 | 江阴市科宇电器有限公司 | Horizontal double forging and stamping steel wires are to welding machine |
-
2017
- 2017-04-13 CN CN201720385557.0U patent/CN206689601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014211A (en) * | 2019-04-18 | 2019-07-16 | 江阴市科宇电器有限公司 | Horizontal double forging and stamping steel wires are to welding machine |
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