CN203316889U - Automatic welding device for transverse-position narrow-gap gas metal arc welding - Google Patents
Automatic welding device for transverse-position narrow-gap gas metal arc welding Download PDFInfo
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- CN203316889U CN203316889U CN2013202342343U CN201320234234U CN203316889U CN 203316889 U CN203316889 U CN 203316889U CN 2013202342343 U CN2013202342343 U CN 2013202342343U CN 201320234234 U CN201320234234 U CN 201320234234U CN 203316889 U CN203316889 U CN 203316889U
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Abstract
The utility model relates to an automatic welding device for transverse-position narrow-gap gas metal arc welding. The device is characterized by comprising a travelling mechanism, a rack, a welding gun assembly, a second adjustment mechanism, a gun head swing mechanism, a control box and an execution mechanism. Compared with the prior art, the automatic welding device is high in welding efficiency; welding materials are saved; the welding quality is guaranteed; particularly with the design of the travelling mechanism, the centripetality problem which occurs when a travelling wheel travels on different radians and inside and outside openings of a circular workpiece is effectively solved, and the automatic welding device can work under certain relatively-tough conditions.
Description
Technical field
The utility model relates to welding equipment, specifically refers to a kind of transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device.
Background technology
Along with plant-scale increase, the specification of the equipment such as institute's use tower, reactor is also increasing, and especially chemical industry equipment, need the multistage welding usually; And not only the volume of equipment or appearance and size increase, the wall thickness of equipment also increases greatly, usually more than 100mm.
In prior art, for this large wall thickness, divide the welding between piece housing usually to adopt the methods such as manual electric arc welding, gas metal-arc welding and submerged-arc welding.That often use is Narrow sloping-glot submerged-arc welding, MAG weldering or hot wire TIG welding, and this several method efficiency is high, saves wlding; It would be desirable and adopt efficient submerged-arc welding and gas metal-arc welding.
Existing narrow-clearance submerged arc welding welding machine adopts basically is the moving and motionless pattern of welding machine of workpiece, and submerged-arc welding can only be applicable to level or horizontal position, and narrow-clearance submerged arc welding can only be applicable to horizontal level, can not on transverse presentation, adopt.The heavy wall workpiece little to diameter can be realized the flush joint position by the positioner turning of work piece, and diameter of work is greater than in the situation of 10 meters, if there is no the ultra-large type positioner can't realize the rotation of workpiece.
In addition, the equipment that to some, can not adopt Narrow sloping-glot to carry out transverse presentation submerged-arc welding, for example transverse presentation submerged-arc welding of tower or large pressurized vessel, if adopt conventional groove, not only welding job amount increases a lot, and wlding also is how much doubly increases.According to theoretical calculation, the pressure vessel that is 12 meters to diameter, the only welding of one circumferential weld, the consumption of welding wire is just up to 1.5 tons.Same reason, manual electric arc welding and common gas metal-arc welding can not adopt Narrow sloping-glot too, and welding job amount and welding material use quantity also are how much simultaneously doubly increases, and can not guarantee welding quality, can't meet the requirement of equipment to dimensional accuracy.
So, the narrow gap welder in the urgent need to a kind of energy for transverse presentation, it requires when workpiece maintains static, by the at the uniform velocity mobile welding purpose that reaches of welding machine.
Summary of the invention
Technical problem to be solved in the utility model be the present situation for prior art provide a kind of efficiency high, save wlding and can guarantee the transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device of welding quality.
The utility model solves the problems of the technologies described above adopted technical scheme: this transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device is characterized in that comprising:
Walking mechanism, the first row travelling wheel and the second road wheel that comprise " work " word structure on the upper ora terminalis that rides over workpiece to be welded, described the first row travelling wheel is connected on head rod, described the second road wheel is connected on the second connecting rod, described head rod and described the second connecting rod are hinged on connector, and this connector is arranged on also can be along the length direction displacement of this adjusting rod on adjusting rod; Described adjusting rod connection frame; Described the first row travelling wheel is connected respectively the output shaft of the first motor and the output shaft of the second motor with the second road wheel; This walking mechanism adopts the structure of four hinge mode tuning bars, efficiently solve road wheel at the different radians of round piece and the centripetal problem while walking inside and outside mouthful, can carry out adjusted in concert to two wheels by adjusting rod, can ride on the barrel that hangs over cylinder and walk freely; And use two driving wheel designs, guaranteed the stability of walking.
Frame, for carrying this automatic soldering device other executing agency except walking mechanism, be positioned at the outside or the inboard of workpiece to be welded during welding; Comprise the crossbeam be connected with described adjusting rod and the first linking arm be connected with head rod and the second linking arm be connected with described the second connecting rod, described the first linking arm is connected described crossbeam with the second linking arm, described crossbeam also is connected with and is positioned at the workpiece to be welded outside or inboard the first montant and the second montant, between described the first montant and the second montant, is provided with for carrying a plurality of supports of cooling water tank, control cabinet, wire-feed motor and welding gun assembly; On described the first montant and the second montant, be respectively equipped with for being resisted against the first castor and the second castor on workpiece sidewall to be welded;
The welding gun assembly, be arranged on corresponding support, its rifle head and protection tracheae support are on pedestal, the leading section of rifle head and protection tracheae is arranged with can be with respect to the protection gas hood of both length direction displacements, described protection gas hood connects on the first governor motion, by the first governor motion, regulates the relative position between protection gas hood and workpiece to be welded;
The first governor motion, be connected with pedestal, for adjusting base with respect to the position between workpiece to be welded, thereby regulate the position between rifle head and protection tracheae and workpiece to be welded;
Rifle head swing mechanism, be arranged on corresponding support, is used for swinging the rifle head during work;
Control cabinet, be arranged on described support, is provided with the control piece of each executing agency in it, and described control piece connects by wire and controls each executing agency;
Described executing agency is described wire-feed motor, described welding gun assembly and cooling system.
Described rifle head swing mechanism comprises can periodically carry out the oscillating motor of rotating, the output shaft of described oscillating motor drives and connects the first gear, barral of a gun passes the centre bore of the second gear be meshed with described the first gear, and rotates with the rotation of the second gear.
Described the first governor motion comprises first locating piece that can move with respect to described pedestal, described protection gas hood is arranged on this first locating piece, one end of the first tooth bar is fixedly connected with described the first locating piece, the other end of the first tooth bar described pedestal that is slidably connected, described the first tooth bar is meshed with the first adjusting gear with respect to described base stand location, and this first adjusting gear is fixedly connected with the first adjusting knob; Described rifle head and described protection tracheae are arranged on described pedestal and can move with respect to described the first locating piece.
Described pedestal also connects the second governor motion, this second governor motion comprises the second tooth bar that is fixedly connected with described pedestal, the second gear be meshed with the second tooth bar, this second gear is fixedly connected with the second adjusting knob, described the second gear and described the second adjusting knob are arranged on the second locating piece, and described the second locating piece is located with respect to described frame.
Described the second locating piece is fixed on slide block, this slide block is slidably arranged in slide rail, described slide rail is fixed on described frame, described slide rail have with slide rail on vertically disposed the first end face of regulation and the second end face, screw rod be threaded successively the first end face, slide block and the second end face.
In above-mentioned each scheme, for the welding of adaptive differing heights workpiece, described the first montant and the second montant are the length telescopic rod.
In above-mentioned each scheme, described adjusting rod can be screw rod or leading screw, and described connector is threaded on described adjusting rod, and the other end of adjusting rod is provided with for rotating the handwheel of described adjusting rod.
Consider the requirement of two connecting rod freedom of movement, be respectively equipped with the first accommodating hole and the second accommodating hole on described the first linking arm and the second linking arm; Described head rod is connected described connector through the first corresponding accommodating hole with after the second accommodating hole respectively with the second connecting rod; And described head rod and described the second connecting rod and corresponding the first accommodating hole and the second accommodating hole are for movingly.
Can also on described the first linking arm and described the second linking arm, also be respectively equipped with the first connecting axle and the second connecting axle, described the first connecting axle and the second connecting axle are respectively through corresponding the first accommodating hole and head rod, the second accommodating hole and the second connecting rod, and described head rod and described the second connecting rod all are rotationally connected corresponding the first connecting axle and the second connecting axle.
Compared with prior art, automatic soldering device provided by the utility model, design by walking mechanism and frame, all welding equipments are carried on frame, walking mechanism rides over walking automatically under the control of control system on the upper ora terminalis of workpiece, simultaneously also automatic operation under the control of control system of each executing agency; By the cooling water tank of welding machine and wire-feed motor and wire reel all on frame, the cable be connected with the source of welding current just reduces a lot, cable and tracheae are from the frame top through being fixed on later the circle centre position of workpiece, and cable, with the welding machine automated movement, has been save the workload that needs artificial removal cable line; Walking mechanism adopts the structure of four hinge mode tuning bars, efficiently solve road wheel at the different radians of round piece and the centripetal problem while walking inside and outside mouthful, can carry out adjusted in concert to two wheels by adjusting rod, can ride on the barrel that hangs over cylinder and walk freely; And simplified preparation before weldering, according to the width adjusting of workpiece the preceding paragraph plate, well after corresponding welding machine height, hung on workpiece and carefully connect the wire just, save the time of attachment rail; Not only guaranteed welding quality, and can work under some relative exacting terms; Especially the design of walking mechanism, the wide scope of application of the plate of workpiece to be welded is large.
The accompanying drawing explanation
Fig. 1 is the schematic perspective view that the utility model embodiment is used state;
The schematic perspective view that Fig. 2 is the utility model embodiment assembly structure;
Fig. 3 is the schematic perspective view that the utility model embodiment has removed executing agency and governor motion;
The partial enlarged drawing that Fig. 4 is A part in Fig. 3 (the second locating piece decomposes);
The schematic perspective view that Fig. 5 is another angle of Fig. 3;
The floor map that Fig. 6 is walking mechanism in the utility model embodiment;
The schematic perspective view that Fig. 7 is rifle head swing mechanism, the first governor motion and rifle head and protection tracheae assembly structure in the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figures 1 to 7, this transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device comprises:
In the present embodiment, the first montant 14 and the second montant 15 are telescopic stretching structure on length direction, and the mode that stretching structure can be used two sleeve pipes to socket-connect, also can select other stretch mode of the prior art as required.By stretching of the first montant and the second montant, can make the workpiece of the adaptive differing heights of this welder.
In the present embodiment, not necessarily identical for the structure of support of carrying cooling water tank 62, control cabinet 4, wire-feed motor 5, wig-wag 38, wire reel and welding gun assembly 3, the structure of each support can be identical, also can be different, and can be according to the difference of institute's load bearing component and specific design.These supports are all by being arranged between two montants with being connected of the first montant 14 and/or the second montant basically.In addition, the needs according to welding, can also carry other needed parts or mechanism on frame.
In the present embodiment, the first castor 17 and the second castor 18 are fixedly connected on respectively the lower end of the first montant 14 and the second montant 15 by castor adjustable plate 19.Castor adjustable plate 19 comprises upper plate 191 and lower plate 192, and castor is fixed on upper plate 191, and upper plate 191 is provided with long and narrow adjusting slotted eye, and the length of regulating slotted eye is the adjustable range of castor; Bolt 194 is through regulating the slotted eye lower plate 192 that is threaded.
Castor adjustable plate 19 is mainly used to regulate the position between two castors and workpiece sidewall to be welded, so that when welding, two castors can be fitted in that the workpiece sidewall is up to be walked reposefully.Concrete control method: looser a bolt, change upper plate 191 extremely suitable with respect to the position of lower plate 192, then tight a bolt and get final product.
Walking mechanism 2, comprise the first row travelling wheel 21 and the second road wheel 22, two road wheels are I-beam wheel, ride on the upper ora terminalis of workpiece to be welded, and the wheel shaft of the first row travelling wheel 21 and the second road wheel 22 is connected respectively the output shaft of the first motor 23 and the output shaft of the second motor 24.The first row travelling wheel 21 is arranged on an end of head rod 25, the second road wheel 22 is arranged on an end of the second connecting rod 26, head rod 25 other ends are hinged on connector 27 through the first accommodating hole 121, and the other end of the second connecting rod 26 is hinged on connector 27 through the second accommodating hole 131; Connector 26 adjusting rod 27 that is threaded, this adjusting rod 27 is located on crossbeam 11 and with respect to crossbeam 11 location.In the present embodiment, adjusting rod 28 is screw rod, and the other end of adjusting rod is provided with handwheel 29, by rotating handwheel, carrys out rotary regulating lever 28.
In the present embodiment, head rod 25 other ends and the first accommodating hole 121 are rotationally connected by the first connecting axle 122, and the other end of the second connecting rod 26 and the second accommodating hole 131 are rotationally connected by the second connecting axle 132; For two connecting rods can freely be rotated in each self-corresponding accommodating hole, connecting rod with each self-corresponding accommodating hole for being connected movingly.
In the present embodiment, connector 27 is hollow rhs-structure, and the other end of head rod 25 and the second connecting rod 26 is hinged on connector 27 by first, second jointed shaft respectively.The hollow of connector has enough spaces to facilitate two connecting rods to slide within it.
The operation principle of this walking mechanism is described below:
A band road wheel is ridden on the upper ora terminalis of workpiece to be welded, and now whole frame has just hung on this equipment to be welded.Two machine operation, ground-engaging wheel is stabilized walking on barrel, and the welding machine be fixed on frame can carry out welding job automatically according to predefined track, owing to being automatic welding, welding quality stable.
When the diameter of equipment to be welded changes, rotate handwheel and can make connector with respect to cross beam movement, change the angle of two connecting rods, thereby change the angle of two road wheels.Regulate simple, convenient, light.
Control cabinet 4 and swing control cabinet 38, be arranged on support corresponding on frame, is provided with the control piece of each executing agency in it, and for controlling the work of whole welding machine, each control piece connects by wire and controls each executing agency.
Two motors that executing agency in the present embodiment is wire-feed motor 5, welding gun assembly 3, cooling system 6 and walking mechanism.Wherein wire-feed motor, cooling system can be selected equipment of the prior art as required.
The first governor motion 7, for regulating the relative position between protection gas hood 76 and rifle head and protection tracheae, thus the requirement of adaptive welding.This first governor motion 7 comprises the first locating piece 71, the first tooth bar 73, the first adjusting gear 74 and first adjusting knob 75 that can move with respect to pedestal 72; Protection gas hood 76 is fixed on the first locating piece 71, with the movement of the first locating piece, moves.The first locating piece 71 is provided with three perforation; rifle head 31 and two protection tracheaes 32 pass corresponding perforating exposed outside the first locating piece 71; and; between rifle head 31 and protection tracheae 32 and corresponding perforation, be loose fit, to facilitate barral of a gun 31 and to protect the relative motion between tracheae 32 and the first locating piece.Pedestal 72 is spacing on frame, and two protection tracheaes 32 are with respect to pedestal 72 location; The liner sleeve pipe 100 intersection covers that barral of a gun 32 is located in bearing have insulation tube, guarantee the absolute insulation of rifle body and welding machine.Between three perforation on rifle head 31 and two protection tracheae 32 and pedestal 72, it is tight fit.The other end support that one end of the first tooth bar 73 is fixedly connected with the first locating piece 71, the first tooth bars 73 also can move forward and backward with respect to pedestal 72 on pedestal 72.The first adjusting knob 75 is fixedly connected with the first adjusting gear 74, the first adjusting gears rotations and is arranged on pedestal 72, and the first adjusting gear is meshed with the first tooth bar.
In the present embodiment, copper protection gas hood 76 inwalls are established cellular venthole, so that the gas that external pipeline transports is diffused, evenly send.
The operation principle of the first governor motion is: according to the difference of groove depth, barral of a gun and the depth of once protecting tracheae to stretch into, rotate the first adjusting knob 75, drive the first adjusting gear 74 to rotate, drive the first tooth bar 73 be meshed with the first adjusting gear front or rear mobile, thereby it is front or rear mobile to make the first locating piece 71 drive protection gas hood 76, to regulate the relative position between rifle head and protection tracheae and protection gas hood, make to protect gas hood 76 near workpiece 10 to be welded, so that be blown into as much as possible in groove from protection gas hood 76 gas out, provide second protection to molten bath.
For guaranteeing the continuity of welding, barral of a gun 31, once protect tracheae 32 and second protection gas hood 76 all to add aqueous cold plate tubular type 61, cooling water is provided by the welding cooling water tank 62 on frame.
Rifle head swing mechanism, for swinging the rifle head, with respect to location on pedestal 72.Comprise in the centre bore that is fixed on pedestal 72 second gear 101, the second gears and be provided with the bearing (not shown), barral of a gun is located in bearing, barral of a gun and bearing between be provided with insulating sleeve 100, to guarantee the absolute insulation between rifle body and frame and welding machine.Barral of a gun 31 passes in insulating sleeve 100 and rotates with the rotation of the second gear; The second gear is meshed with the first gear 102, and the first gear drives and is connected with the output shaft of oscillating motor (not shown).Oscillating motor, for can periodically carry out the motor of rotating, is connected with control system, by control system control work.
In the present embodiment, be provided with fixed chuck 103 in the outside of pedestal for spacing barral of a gun 31, the barral of a gun 31 of cover insulation sleeve pipe is through auxiliary spacing with fixed chuck after bearing.The present embodiment also is provided with U-shaped protector 104 on pedestal 72, and protection tracheae 32, barral of a gun 31 and two gears all are arranged in U-shaped groove, to give two gears, stays certain rotation space.
The operation principle of this rifle head swing mechanism is described below:
Oscillating motor is worked under the control of control system, drives successively the first gear, the second gear and barral of a gun and rotates; Simultaneously the rifle head be curved the lead mouth angled with barral of a gun, welding wire by after leading mouth and sending with barral of a gun at an angle, along with the rotation of barral of a gun, welding wire just is arc trajectory at the drop point of weld seam, thereby reaches the purpose that swing is welded.Barral of a gun where necessary, can therefrom be extracted out after unclamping the chuck of the liner sleeve pipe other end, in order to change ignition tip etc.
The second governor motion, for regulating the upper and lower position of the first governor motion.Comprise the second tooth bar 81 be fixedly connected with pedestal 72, the second gear 82 be meshed with the second tooth bar 81, this second gear 82 is fixedly connected with the second adjusting knob 83, the second gear 82 and the second adjusting knob 83 are arranged on the second locating piece 84, the second locating piece 84 is spacing on frame, and the other end of the second tooth bar can be with respect to moving up and down with the second locating piece 84.
The operation principle of the second governor motion is identical with the first governor motion 7.The first governor motion is lateral adjustments; the second governor motion is vertical adjusting; by the second governor motion can change the first governor motion together with welding gun and the protection tracheae height, thereby Butt welding gun and the protection tracheae height finely tuned, make it subtend position to be welded more accurately.
The 3rd governor motion, for regulating the relative position between rifle head and workpiece to be welded.Comprise the slide block 91 be fixedly connected with the second locating piece 84, this slide block 91 is slidably arranged in slide rail 92, and slide rail is spacing on frame; Slide rail 92 have with slide rail on vertically disposed the first end face 93 of track and the second end face 94, screw rod 95 be threaded successively the first end face 93, slide block 91 and the second end face 94.
According to the demand of adjustable range, the 3rd governor motion can also adopt two governor motion stacks to use, to increase adjustable range.
Claims (9)
1. a transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device is characterized in that comprising:
Walking mechanism, the first row travelling wheel and the second road wheel that comprise " work " word structure on the upper ora terminalis that rides over workpiece to be welded, described the first row travelling wheel is connected on head rod, described the second road wheel is connected on the second connecting rod, described head rod and described the second connecting rod are hinged on connector, and this connector is arranged on also can be along the length direction displacement of this adjusting rod on adjusting rod; Described adjusting rod connection frame; Described the first row travelling wheel is connected respectively the output shaft of the first motor and the output shaft of the second motor with the second road wheel;
Frame, for carrying this automatic soldering device other executing agency except walking mechanism, be positioned at the outside or the inboard of workpiece to be welded during welding; Comprise the crossbeam be connected with described adjusting rod and the first linking arm be connected with head rod and the second linking arm be connected with described the second connecting rod, described the first linking arm is connected described crossbeam with the second linking arm, described crossbeam also is connected with and is positioned at the workpiece to be welded outside or inboard the first montant and the second montant, between described the first montant and the second montant, is provided with for carrying a plurality of supports of cooling water tank, control cabinet, wire-feed motor and welding gun assembly; On described the first montant and the second montant, be respectively equipped with for being resisted against the first castor and the second castor on workpiece sidewall to be welded;
The welding gun assembly, be arranged on corresponding support, its rifle head and protection tracheae support are on pedestal, the leading section of rifle head and protection tracheae is arranged with can be with respect to the protection gas hood of both length direction displacements, described protection gas hood connects on the first governor motion, by the first governor motion, regulates the relative position between protection gas hood and workpiece to be welded;
The second governor motion, be connected with pedestal, for adjusting base with respect to the position between workpiece to be welded, thereby regulate the position between rifle head and protection tracheae and workpiece to be welded;
Rifle head swing mechanism, be arranged on corresponding support, is used for swinging the rifle head during work;
Control cabinet, be arranged on described support, is provided with the control piece of each executing agency in it, and described control piece connects by wire and controls each executing agency;
Described executing agency is described wire-feed motor, described welding gun assembly and cooling system.
2. transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device according to claim 1; it is characterized in that described rifle head swing mechanism comprises can periodically carry out the oscillating motor of rotating; the output shaft of described oscillating motor drives and connects the first gear; barral of a gun passes the centre bore of the second gear be meshed with described the first gear, and rotates with the rotation of the second gear.
3. transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device according to claim 1, it is characterized in that described the first governor motion comprises first locating piece that can move with respect to described pedestal, described protection gas hood is arranged on this first locating piece, one end of the first tooth bar is fixedly connected with described the first locating piece, the other end of the first tooth bar described pedestal that is slidably connected, described the first tooth bar is meshed with the first adjusting gear with respect to described base stand location, and this first adjusting gear is fixedly connected with the first adjusting knob; Described rifle head and described protection tracheae are arranged on described pedestal and can move with respect to described the first locating piece.
4. transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device according to claim 3; it is characterized in that described pedestal also connects the second governor motion; this second governor motion comprises the second tooth bar that is fixedly connected with described pedestal; the second gear be meshed with the second tooth bar; this second gear is fixedly connected with the second adjusting knob; described the second gear and described the second adjusting knob are arranged on the second locating piece, and described the second locating piece is located with respect to described frame.
5. transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device according to claim 4; it is characterized in that described the second locating piece is fixed on slide block; this slide block is slidably arranged in slide rail; described slide rail is fixed on described frame; described slide rail have with slide rail on vertically disposed the first end face of regulation and the second end face, screw rod be threaded successively the first end face, slide block and the second end face.
6. according to the described transverse presentation narrow clearance melting electrode of the arbitrary claim of claim 1 to 5 used for gas shield welding automatic soldering device, it is characterized in that described the first montant and the second montant are the length telescopic rod.
7. transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device according to claim 6; it is characterized in that described adjusting rod is screw rod or leading screw; described connector is threaded on described adjusting rod, and the other end of adjusting rod is provided with for rotating the handwheel of described adjusting rod.
8. transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device according to claim 7, is characterized in that on described the first linking arm and the second linking arm being respectively equipped with the first accommodating hole and the second accommodating hole; Described head rod is connected described connector through the first corresponding accommodating hole with after the second accommodating hole respectively with the second connecting rod; And described head rod and described the second connecting rod and corresponding the first accommodating hole and the second accommodating hole are for movingly.
9. transverse presentation narrow clearance melting electrode used for gas shield welding automatic soldering device according to claim 8; it is characterized in that also being respectively equipped with the first connecting axle and the second connecting axle on described the first linking arm and described the second linking arm; described the first connecting axle and the second connecting axle are respectively through corresponding the first accommodating hole and head rod, the second accommodating hole and the second connecting rod, and described head rod and described the second connecting rod all are rotationally connected corresponding the first connecting axle and the second connecting axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202342343U CN203316889U (en) | 2013-04-28 | 2013-04-28 | Automatic welding device for transverse-position narrow-gap gas metal arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202342343U CN203316889U (en) | 2013-04-28 | 2013-04-28 | Automatic welding device for transverse-position narrow-gap gas metal arc welding |
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| Publication Number | Publication Date |
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| CN203316889U true CN203316889U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202342343U Withdrawn - After Issue CN203316889U (en) | 2013-04-28 | 2013-04-28 | Automatic welding device for transverse-position narrow-gap gas metal arc welding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273178A (en) * | 2013-04-28 | 2013-09-04 | 宁波天翼石化重型设备制造有限公司 | Automatic welding device for transverse-position and narrow-gap gas metal arc welding |
-
2013
- 2013-04-28 CN CN2013202342343U patent/CN203316889U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273178A (en) * | 2013-04-28 | 2013-09-04 | 宁波天翼石化重型设备制造有限公司 | Automatic welding device for transverse-position and narrow-gap gas metal arc welding |
| CN103273178B (en) * | 2013-04-28 | 2015-05-27 | 宁波天翼石化重型设备制造有限公司 | Automatic welding device for transverse-position and narrow-gap gas metal arc welding |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20150527 |
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| RGAV | Abandon patent right to avoid regrant |