CN104923887A - Transverse direction self-adaptation tracking device for ultra-narrow gap MAG/MIG welding weld line - Google Patents

Transverse direction self-adaptation tracking device for ultra-narrow gap MAG/MIG welding weld line Download PDF

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Publication number
CN104923887A
CN104923887A CN201510360254.9A CN201510360254A CN104923887A CN 104923887 A CN104923887 A CN 104923887A CN 201510360254 A CN201510360254 A CN 201510360254A CN 104923887 A CN104923887 A CN 104923887A
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seat
ultra
narrow gap
mig
tracks
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CN104923887B (en
Inventor
张富巨
郭嘉琳
李志勇
张国栋
王宇飞
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Wuhan Na Ruige Intelligence Devices S R L
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Wuhan Na Ruige Intelligence Devices S R L
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/12Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/127Means for tracking lines during arc welding or cutting
    • B23K9/1272Geometry oriented, e.g. beam optical trading
    • B23K9/1278Using mechanical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/16Arc welding or cutting making use of shielding gas
    • B23K9/173Arc welding or cutting making use of shielding gas and of a consumable electrode

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Geometry (AREA)
  • Arc Welding In General (AREA)

Abstract

The invention discloses a transverse direction self-adaptation tracking device for an ultra-narrow gap MAG/MIG welding weld line. The transverse direction self-adaptation tracking device comprises a three-dimensional self-adaptation floating device connected with an ultra-narrow gap MAG/MIG welding gun base fixedly provided with an ultra-narrow gap MAG/MIG welding nozzle, and a tracking base is fixed to the ultra-narrow gap MAG/MIG welding nozzle. The transverse direction self-adaptation tracking device has the advantages that the structure is extremely simple, and the technology achieving cost is greatly reduced; all total systems are mechanical devices, the tracking effect is completely not disturbed by an electromagnetic field, or thermal radiation or optical radiation, high-temperature liquid metal splashing and other outside systems, and the ultrahigh interference resisting capability and extremely high reliability which are hard to achieve in the prior art are achieved; the couple arm error and the inclination error in the prior art are completely overcome, only one set of mechanical contact pressure sensors are enough for achieving self-adaptation tracking of three freedom degrees including the plane rotation, the transverse direction and the inclination at the same time, and the effect is not seen yet in the prior art.

Description

The horizontal adaptive tracing device of a kind of ultra-narrow gap MAG/MIG welded seam
Technical field
The invention belongs to welding technology field, relate to the horizontal adaptive tracing device of ultra-narrow gap MAG/MIG welded seam of the automatic MAG/MIG welding process under a kind of ultra-narrow gap welding groove condition.
Background technology
Melt pole electrical arc soldering method is the current the most extensive most important universal industrial technology in equipment manufacturing field both at home and abroad, since invention, applied nearly 90 years at industrial circle.Along with Technology for Modern Equipment manufacture is to the fast development of high power capacity high parameter, require that consumable electrode arc welding method possesses higher production efficiency and welding quality, and significantly reduce its production cost simultaneously, become the urgent technological progress requirement of current equipment manufacturing.Narrow clearance melting electrode arc welding technology is adopted to be the most efficient technological approaches realizing above-mentioned progress.Since last century, BATTLE research institute of the early sixties U.S. proposed " narrow gap welding Narrow Gap Welding " concept first, the narrow-clearance submerged arc welding invented and the argon arc welding of narrow gap applied for more than 30 years at industrial circle.Narrow-clearance submerged arc welding and the argon arc welding of narrow gap are not a kind of new welding methods, it is only a kind of special technology, these two kinds of special technology all have respective unique technology advantage, but these two kinds of special technology also also exist the limitation of highly significant: the former heat input is very large, the mechanical property of as-welded joint is undesirable, and material-saving economize on electricity reduces costs all not remarkable; The latter's welding productivity is very low, and cost reduces not obvious.Overcome the above-mentioned limitation of these two kinds of narrow gap welding connection technologies and produce larger solder technology progress, being recognized that at present and adopting narrow gap MAG/MIG solder technology.At narrow gap MAG/MIG welding technology field, since last century the seventies, many countries in the world, especially Japan has dropped into large quantifier elimination, but went in more than 40 years, so far industrial circle really succeed application country and industry field very few, to search to the bottom reason, be not that the advantage of narrow gap MAG/MIG solder technology significantly and does not have the progress of leap property, but this technology needs always to fail in the serial key technology broken through " system breakthrough ", as narrow gap MAG/MIG welding gun design and manufaction, metal arc welding power supply droplet transfer high stability, two side reliably fuses, the Chief technology such as the seam track adaptive tracing under Narrow sloping-glot condition must system break through, breach 99% also not all right, necessary 100%.
Seam track adaptive tracing technology under Narrow sloping-glot condition is that narrow gap MAG/MIGh welds one of indispensable key technology moving towards large-scale industrial application, prior art mainly contains: 1. application number 201210325926.9, Wang Jiayou, Zhu Jie, Ye Lili, Yang Maosheng, based on narrow gap welding monitoring and the weld seam deviation detection method of infrared visual sensing; 2. Chinese invention patent, the welding torch elastic force that floats drives the horizontal autotracker of weld seam, ZL200410060990.4; 3. Ai Yong is suitable, Wang Jiayou, Sun Xiaochun, the Developing Application of Bidirectional Contact Type Weld Tracking Sensor, " electric welding machine ", 1998, P15-18; 4. high young Lu, Yu Jingwei, the research and apply of Contact Two-dimensional tracking technique, " electric welding machine ", 1991.P11-14; 5.JP2003-220469, A; 6. Chinese patent 201410487171.1, a kind of unregulated power drives three-dimensional adaptive centralising device.Above-mentioned prior art remains in following limitation: though 1. reference 1 and reference 5 are for narrow gap welding connection technology, but do not belong to touch sensor, all there is the complicated closed-loop adaptation control procedure of needs " mechanical displacement-electricity conversion; deviation signal identification; control and regulation gauge is calculated and motorized adjustment ", system complex, reliability is lower; 2. reference 2 is the contact-sensing adaptive tracing technology for narrow gap welding exploitation, though without the need to the complication system of traditional " mechanical displacement-electricity conversion; deviation signal identification; control and regulation gauge is calculated and motorized adjustment ", but all there is leading sensing error, arm of couple error and sensing running roller are local support on groove depth direction, the central plane being difficult to realize welding gun precisely overlaps with the height of overall groove plane, the welding gun heeling error produced can be conducted to transverse direction, and then causes horizontal tracing precision to there is systematic error; 3. with reference to 6 with all abandoned traditional complicated closed-loop adaptive control system with reference to 2, though eliminate arm of couple error, but still to belong to sensing running roller on groove depth direction be local support, and welding gun bank error still exists; 4. with reference to the technology that 3 and reference 4 are all for tradition large groove face angle exploitation, not applicable under the narrow gap welding groove that groove face degree is minimum.
Summary of the invention
The present invention is mainly solved by following technical proposals above-mentioned technical limitation:
The horizontal adaptive tracing device of a kind of ultra-narrow gap MAG/MIG welded seam, it is characterized in that, comprise and this three-dimensional adaptive floating installation be connected of ultra-narrow gap MAG/MIG welding gun, described this seat of ultra-narrow gap MAG/MIG welding gun is fixed with ultra-narrow gap MAG/MIG and welds nozzle, described ultra-narrow gap MAG/MIG welds on nozzle and is fixed with this seat of tracking;
Described this seat of tracking and ultra-narrow gap MAG/MIG weld between nozzle and insulation board are housed, and by following the tracks of the screw/screw hole/insulated hanger cover in this, this seat of tracking being welded nozzle with ultra-narrow gap MAG/MIG and couples together securely;
Described three-dimensional adaptive floating installation comprises revolving bed, arc guide rail slide block width, this seat of laterally floating, straight-line guide rail slide block width, inclined seat; Described revolving bed is platy structure, is fixedly mounted with arc guide rail below it; This seat of laterally floating is also platy structure, and arc guide rail slide block is installed on its top; After revolving bed and this connection of laterally floating complete by arc guide rail slide block width, this seat of laterally floating can freely turn round by revolving bed relatively within the scope of certain angle; Line slideway is installed in this below of laterally floating, and straight-line guide rail slide block is installed in the top of laterally floating seat; Laterally floating seat is by after straight-line guide rail slide block width is connected with this seat of laterally floating, and laterally floating seat can this free laterally floating of laterally floating relatively; Be provided with two ends articulated structure between laterally floating seat and the inclined seat below it, this articulated structure is cantilevered axle/bearing arrangement or oscillating bearing structure; After laterally floating seat and inclined seat chain connection, inclined seat can transversely be floated this laterally floating, and can also produce the inclined in two-way of certain amplitude relative to laterally floating seat, the maximum inclination angle in left and right direction is less than 20 °.
Under the horizontal adaptive tracing device of ultra-narrow gap MAG/MIG automatic welding weld seam of the present invention can also be applied to narrow gap MAG/MIG automatic soldering technique situation, the ignition tip without lateral deviation silk can not be used under this process condition, the ignition tip of end deflection wire feed need be used, and preferably tandem uses rush-harvesting and rush-planting, one rifle left avertence silk, a rifle right avertence silk.In addition, the present invention also can be used for slab, traditional submerged-arc welding of special heavy plate, argon tungsten-arc welding, and the weld seam rail self adaptation mark of the automatic Arc Welding of various electrogas process is followed the tracks of.
At the horizontal adaptive tracing device of above-mentioned a kind of ultra-narrow gap MAG/MIG welded seam, the top revolving bed of described three-dimensional adaptive floating installation can with automatic welding carriage, automaticwelding head is various can drag mechanism that welding gun moves along fusion length direction or device connects; The inclined seat of its underpart is connected with this seat of ultra-narrow gap MAG/MIG welding gun; Ultra-narrow gap MAG/MIG welds nozzle and can realize freedom, level and smooth plane rotation, horizontal straight line relative to revolving bed and float and inclination three degree of freedom altogether floating of the left-hand of vertical or dextrad unspecified angle.
At the horizontal adaptive tracing device of above-mentioned a kind of ultra-narrow gap MAG/MIG welded seam, described tracking this be the T-type structure of tabular, comprise upper spring seat, lower spring cup, spring base limit assembly; And by back shaft, follow the tracks of a trace component forming of running roller; Follow the tracks of the operate outside of this top at ultra-narrow gap welding groove, bottom will extend into work in groove; Upper and lower is equipped with oat tail groove structure, the free laterally floating in this groove for upper spring seat and lower spring cup; Trace component is arranged on follows the tracks of this middle part.
At the horizontal adaptive tracing device of above-mentioned a kind of ultra-narrow gap MAG/MIG welded seam, trace component comprises being arranged on to be followed the tracks of this above-below direction and runs through this supporting shaft hole for installing back shaft of whole tracking, this axis hole is kidney ellipsoid, back shaft under the effect of upper springs and lower springs, can in axis hole laterally floating; Follow the tracks of these both sides and be provided with some horizontal windows, this window and axis hole orthogonal, window size is greater than tracking running roller, installs two side by side in each window and follows the tracks of running rollers; Back shaft is through all windows and be connected with upper spring seat and lower spring cup; Back shaft realizes by the axis hole followed the tracks of in this and the spring retainer assembly be installed in this dovetail groove of tracking following the tracks of the cross spacing in this.
At the horizontal adaptive tracing device of above-mentioned a kind of ultra-narrow gap MAG/MIG welded seam, the quantity basis of described window extend into the degree of depth in ultra-narrow gap groove or weldment thickness of slab and determines, and arranges a window every 12mm ~ 15mm; Follow the tracks of this seat and ultra-narrow gap MAG/MIG to weld between nozzle insulation board is housed, by following the tracks of the screw/screw hole/insulated hanger cover in this, this seat of tracking being welded nozzle with ultra-narrow gap MAG/MIG and couples together securely; For preventing tracked running roller short circuit between welding arc and ultra-narrow gap welding groove, following the tracks of that this seat and ultra-narrow gap MAG/MIG weld between nozzle must reliably mutually insulated.
Therefore, tool of the present invention has the following advantages: 1. by the center deviation signal detection relative to current bevel for welding of welding gun center traditional closed-loop control system, direction discernment, control and regulation gauge calculates and the complicated software and hardware system of motorized adjustment is abandoned completely, only with a set of three-dimensional floating installation and contact balanced controls, the adaptive tracing of three degree of freedom under narrow gap/ultra-narrow gap welding groove can be realized, structure is extremely simple, and technology realizes cost and significantly reduces; 2. total system does not have electric quantity signal to transmit and calculates, and is all mechanical device, and tracking effect is not completely by electromagnetic field, heat radiation, light radiation, the interference of the ambient systems such as high temperature fluent metal splashing, is difficult to the superpower antijamming capability of realization and high reliability under having prior art; 3. overcome arm of couple error and the bank error of prior art completely, only can realize the adaptive tracing of plane rotation, transverse direction, inclination three degree of freedom with a set of Mechanical Contact pressure sensor, prior art there is not yet simultaneously.
Accompanying drawing explanation
Fig. 1 be the present invention and other invent ultra-narrow gap MAG/MIG automatic welding gun and the adaptive tracking system schematic diagram of integrated rear formation.
Fig. 2 is the lateral viewing positions schematic diagram of Mechanical Contact pressure sensor device.
Fig. 3 is upper spring seat and follows the tracks of this structure and assemble schematic diagram.
Fig. 4 is postive stop baffle and the supporting shaft hole schematic diagram of following the tracks of this top.
Fig. 5 is the operation principle schematic diagram of contact sensing device in ultra-narrow gap welding groove.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.In figure, revolving bed 1, arc guide rail slide block 2, this seat of laterally floating 3, wire feeder 4, snorkel 5, water inlet pipe 6, electrode cable 7, this seat of ultra-narrow gap MAG/MIG welding gun 8, ultra-narrow gap MAG/MIG welds nozzle 9, nozzle insulation assembly 1, nozzle insulation assembly 2 11, follow the tracks of this seat 12, upper spring seat 13, follow the tracks of running roller 14, insulation board 15, lower spring cup 16, inclined seat 17, upper spring center support plate 18, upper springs 19, screw/screw hole/insulated hanger cover 20, lower spring center support plate 21, lower springs 22, spring base limit assembly 23, back shaft 24, axis hole 25, ultra-narrow gap welding groove 26.
Embodiment:
The horizontal adaptive tracing device of ultra-narrow gap MAG/MIG automatic welding weld seam of the present invention, welds nozzle 9 primarily of three-dimensional adaptive floating installation, this seat of ultra-narrow gap MAG/MIG welding gun 8, ultra-narrow gap MAG/MIG, follows the tracks of this seat 12, upper spring seat 13, lower spring cup 16, spring base limit assembly 23, back shaft 24, follows the tracks of running roller 14 and insulation board 15 forms.Three-dimensional adaptive floating installation forms primarily of revolving bed 1, arc guide rail slide block 2, this seat of laterally floating 3, straight-line guide rail slide block width, inclined seat 17; Revolving bed 1 is platy structure, is fixedly mounted with arc guide rail below it; This seat of laterally floating 3 is also platy structure, and arc guide rail slide block is installed on its top; After revolving bed 1 has been connected with this seat of laterally floating 3 by arc guide rail slide block 2, this seat of laterally floating 3 can freely turn round by revolving bed 1 relatively within the scope of certain angle; Line slideway is installed in this below of 3 of laterally floating, and straight-line guide rail slide block is installed in the top of laterally floating seat; Laterally floating seat is by after straight-line guide rail slide block width is connected with this seat of laterally floating 3, and laterally floating seat can the free laterally floating of this seat of laterally floating 3 relatively; Be provided with two ends articulated structure between laterally floating seat and the inclined seat below it 17, this articulated structure can use cantilevered axle/bearing arrangement, also can use oscillating bearing structure; After laterally floating seat and inclined seat 17 chain connection complete, inclined seat 17 can transversely be floated this seat 3 laterally floating, and also can produce the inclined in two-way of certain amplitude relative to laterally floating seat, the maximum inclination angle of left and right directions is less than 20 °; The top revolving bed 1 of three-dimensional adaptive floating installation can with automatic welding carriage, automatic welder(welding machine) is first-class variously can drag mechanism that welding gun moves along fusion length direction or device connects; The inclined seat 17 of its underpart is connected with this seat of ultra-narrow gap MAG/MIG welding gun 8; After above-mentioned assembly and connection completes, ultra-narrow gap MAG/MIG welds that nozzle 9 can realize freedom relative to revolving bed 1, level and smooth plane rotation, horizontal straight line float and the inclination of the left-hand of vertical or dextrad unspecified angle three degree of freedom altogether floating.
Ultra-narrow gap MAG/MIG welding gun this 8 and ultra-narrow gap MAG/MIG weld nozzle see the Chinese patent applied for: contactless heat conduction self-loopa water-cooled ultra-narrow gap MAG/MIG welds welding gun.
Nozzle insulation assembly 1 and nozzle insulation assembly 2 11 are see the Chinese patent applied for: assembly type ultra-narrow gap MAG/MIG welds insulation nozzle.
Following the tracks of this 12 is the T-type structure of tabular, and top is in the operate outside of ultra-narrow gap welding groove 26, and bottom will extend into work in groove 26; Structure that upper and lower is equipped with " dovetail groove ", the free laterally floating in this groove for upper spring seat 13 and lower spring cup 16; Middle part is provided with two kinds of structures, and one is the supporting shaft hole 25 that above-below direction can install back shaft 24, and this axis hole is kidney ellipsoid, back shaft 24 under the effect of upper springs 19 and lower springs 22, can in axis hole 25 laterally floating; Another kind of structure is horizontal window, and this window is orthogonal with axis hole 25, and window size is a bit larger tham follows the tracks of running roller 14, installs two tracking running rollers in each window side by side; The quantity basis of window extend into the degree of depth (or weldment thickness of slab) in ultra-narrow gap groove and determines, and can arrange a window by approximately every thickness of slab 12mm; Back shaft 24 is through all windows and be connected with upper spring seat 13 and lower spring cup 16; Back shaft 24 is following the tracks of this cross spacing in 12, and one is be realize by the spring retainer assembly 23 be installed in this 12 dovetail groove of tracking by following the tracks of this axis hole 25, two in 12; Follow the tracks of this seat 12 and ultra-narrow gap MAG/MIG to weld between nozzle 9 insulation board 15 is housed, by following the tracks of this screw/screw hole/insulated hanger cover 20 in 12, this seat of trackings 12 and ultra-narrow gap MAG/MIG being welded nozzle 9 and couples together securely; For preventing tracked running roller 14 short circuit between welding arc and ultra-narrow gap welding groove 26, following the tracks of that this seat 12 and ultra-narrow gap MAG/MIG weld between nozzle 9 must reliably mutually insulated.
The horizontal adaptive tracing device of ultra-narrow gap MAG/MIG automatic welding weld seam of the present invention, its tracking accuracy depends on following manufacture factor: 1. follow the tracks of the upper spring center support plate 18 at these about 12 two ends and the central plane of lower spring center support plate 21, must overlap completely with the symmetrical centre of all tracking running rollers 14 side by side; 2. follow the tracks of these about 12 two ends often pair of upper springs 19 and lower springs 22 must do drift, decrement is mated with elastic force numerical value, this matching precision is higher, and systematic error will be less; 3. follow the tracks of the symmetrical centre of this spring center support plate 18 and lower spring center support plate 21 on 12, the mid-depth plane of welding nozzle 9 with ultra-narrow gap MAG/MIG overlaps completely, and is positioned at mounted in pairs before and after nozzle 9.
When the horizontal adaptive tracing device of ultra-narrow gap MAG/MIG automatic welding weld seam of the present invention works, first follow the tracks of two pairs, this bottom of 12 spring 22 by two to compress, the tracking running roller 14 of bottom is come closer, ultra-narrow gap MAG/MIG is welded nozzle 9 extend in ultra-narrow gap welding groove 26 simultaneously, recompress two pairs, top spring 19 afterwards, and welding gun is slowly extend into maximum weld depth; After unclamping two pairs of upper springs 19, ultra-narrow gap MAG/MIG welds nozzle 9 under all tracking running rollers 14 of apparatus of the present invention support, and nozzle will be positioned at the center of ultra-narrow gap welding groove 26 automatically; If nozzle 9 is not positioned at groove 26 center, can not correspondingly the offsetting with joint efforts of contact of all tracking running rollers 14 on the wall of the groove left and right sides, namely the pressure of nozzle 9 pairs of side groove walls is large, and the pressure of another sidewall is little; If right side wall pressure is large, this unbalanced pressure is by by this 8 laterally floating seat passing to three-dimensional adaptive floating installation fast of narrow gap MAG/MIG welding gun, straight-line guide rail slide block above laterally floating seat will automatically along line slideway transverse translation left, move to follow the tracks of running roller 14 to the pressure on two groove sidewalls complete equal time, making a concerted effort of contact is zero, the adjustment that there is not ultra-narrow gap MAG/MIG weldering nozzle 9 driven, nozzle 9 will return to and be positioned at groove 26 center.
In like manner, when this tracking means works in ultra-narrow gap welding groove 26 in company with ultra-narrow gap MAG/MIG weldering nozzle 9, if the contact that running roller 14 pairs of groove 26 two sides are followed the tracks of at front and rear is uneven, the out-of-balance force in this plane rotation direction will pass to this seat of laterally floating 3, regulate (revolution is floated) to make it restore balance by the displacement of arc guide rail slide block 2; In like manner, when the contact imbalance of running roller 14 pairs of two sides is followed the tracks of in ultra-narrow gap welding groove 26 depth direction upper and lower, illustrate that ultra-narrow gap MAG/MIG welds nozzle 9 mid-depth plane and do not overlap with current ultra-narrow gap welding groove 26 central plane, there is incline direction error, the same principle, ultra-narrow gap MAG/MIG welds nozzle 9 by the automatic displacement by inclined seat 17, makes it return to the balance of top and the bottom tracking running roller 14 pairs of groove two side contacts.
Specific embodiment described herein is only to the technology of the present invention explanation for example.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from the present invention or surmount the scope that appended claims defines.
Although more employ revolving bed 1 herein, arc guide rail slide block 2, this seat of laterally floating 3, wire feeder 4, snorkel 5, water inlet pipe 6, electrode cable 7, this seat of ultra-narrow gap MAG/MIG welding gun 8, ultra-narrow gap MAG/MIG welds nozzle 9, nozzle insulation assembly 1, nozzle insulation assembly 2 11, follow the tracks of this seat 12, upper spring seat 13, follow the tracks of running roller 14, insulation board 15, lower spring cup 16, inclined seat 17, upper spring center support plate 18, upper springs 19, screw/screw hole/insulated hanger cover 20, lower spring center support plate 21, lower springs 22, spring base limit assembly 23, back shaft 24, axis hole 25, term such as ultra-narrow gap welding groove 26 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with the present invention.

Claims (5)

1. the horizontal adaptive tracing device of ultra-narrow gap MAG/MIG welded seam, it is characterized in that, comprise the three-dimensional adaptive floating installation be connected with this seat of ultra-narrow gap MAG/MIG welding gun (8), described this seat of ultra-narrow gap MAG/MIG welding gun (8) is fixed with ultra-narrow gap MAG/MIG and welds nozzle (9), described ultra-narrow gap MAG/MIG welds on nozzle (9) and is fixed with this seat of a tracking (12);
Described this seat of tracking (12) and ultra-narrow gap MAG/MIG weld between nozzle (9) and insulation board (15) are housed, by following the tracks of the screw/screw hole/insulated hanger cover (20) in this seat (12), this seat (12) and ultra-narrow gap MAG/MIG will be followed the tracks of and weld nozzle (9) and couple together securely;
Described three-dimensional adaptive floating installation comprises revolving bed (1), arc guide rail slide block width (2), this seat of laterally floating (3), straight-line guide rail slide block width, inclined seat (17); Described revolving bed (1) is platy structure, is fixedly mounted with arc guide rail below it; This seat of laterally floating (3) is also platy structure, and arc guide rail slide block is installed on its top; After revolving bed (1) has been connected with this seat of laterally floating (3) by arc guide rail slide block width (2), this seat of laterally floating (3) can turn round by revolving bed (1) Free Planar within the scope of certain angle relatively; Line slideway is installed in the below of this seat of laterally floating (3), and straight-line guide rail slide block is installed in the top of laterally floating seat; Laterally floating seat is by after straight-line guide rail slide block width is connected with this seat of laterally floating (3), and laterally floating seat can this seat of laterally floating (3) free laterally floating relatively; Be provided with two ends articulated structure between laterally floating seat and the inclined seat below it (17), this articulated structure is cantilevered axle/bearing arrangement or oscillating bearing structure; After laterally floating seat and inclined seat (17) chain connection, inclined seat (17) can transversely be floated this seat (3) laterally floating, can also produce inclined in two-way relative to laterally floating seat.
2. the horizontal adaptive tracing device of a kind of ultra-narrow gap MAG/MIG welded seam according to claim 1, it is characterized in that, the top revolving bed 1 of described three-dimensional adaptive floating installation can with automatic welding carriage, automaticwelding head is various can drag mechanism that welding gun moves along fusion length direction or device connects; The inclined seat (17) of its underpart is connected with this seat of ultra-narrow gap MAG/MIG welding gun (8); Ultra-narrow gap MAG/MIG welds nozzle (9) and can realize freedom, level and smooth plane rotation, horizontal straight line relative to revolving bed (1) and float and inclination three degree of freedom altogether floating of the left-hand of vertical or dextrad unspecified angle.
3. the horizontal adaptive tracing device of a kind of ultra-narrow gap MAG/MIG welded seam according to claim 2, it is characterized in that, the T-type structure that described this seat of tracking (12) is tabular, comprises upper spring seat (13), lower spring cup (16), spring base limit assembly (23); And by back shaft (24), follow the tracks of running roller (14) trace component forming; Follow the tracks of the operate outside of this seat (12) top in ultra-narrow gap welding groove (26), bottom will extend into work in groove (26); Upper and lower is equipped with oat tail groove structure, the free laterally floating in this groove for upper spring seat (13) and lower spring cup (16); Trace component is arranged on follows the tracks of this seat (12) middle part.
4. the horizontal adaptive tracing device of a kind of ultra-narrow gap MAG/MIG welded seam according to claim 3, it is characterized in that, trace component comprises the supporting shaft hole (25) for installing back shaft (24) being arranged on and following the tracks of this seat (12) above-below direction and run through whole this seat of tracking (12), this axis hole is kidney ellipsoid, back shaft (24) under the effect of upper springs (19) and lower springs (22), can in supporting shaft hole (25) laterally floating; Follow the tracks of this seat (12) both sides and be provided with some horizontal windows, this window and axis hole (25) orthogonal, window size is greater than follows the tracks of running roller (14), installs two side by side in each window and follows the tracks of running rollers; Back shaft (24) is through all windows and be connected with upper spring seat (13) and lower spring cup (16); The cross spacing of back shaft (24) in this seat of tracking (12) realizes by the axis hole (25) in this seat of tracking (12) and the spring retainer assembly (23) be installed in tracking this seat (12) dovetail groove.
5. the horizontal adaptive tracing device of a kind of ultra-narrow gap MAG/MIG welded seam according to claim 4, it is characterized in that, the quantity basis of described window extend into the degree of depth in ultra-narrow gap groove or weldment thickness of slab and determines, and arranges a window every 12mm ~ 15mm; Follow the tracks of this seat (12) and ultra-narrow gap MAG/MIG to weld between nozzle (9) insulation board (15) is housed, by following the tracks of the screw/screw hole/insulated hanger cover (20) in this seat (12), this seat (12) and ultra-narrow gap MAG/MIG will be followed the tracks of and weld nozzle (9) and couple together securely; For preventing tracked running roller (14) short circuit between welding arc and ultra-narrow gap welding groove (26), following the tracks of that this seat (12) and ultra-narrow gap MAG/MIG weld between nozzle (9) must reliably mutually insulated.
CN201510360254.9A 2015-06-26 2015-06-26 Transverse direction self-adaptation tracking device for ultra-narrow gap MAG/MIG welding weld line Expired - Fee Related CN104923887B (en)

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CN105643057A (en) * 2016-03-17 2016-06-08 武汉纳瑞格智能设备有限公司 Self-adaptive tracking device for constant values of distances from welding wires to sidewalls for narrow-gap arc welding
CN106041272A (en) * 2016-06-30 2016-10-26 江汉大学 Narrow-gap submerged arc welding machine
CN108544056A (en) * 2018-04-23 2018-09-18 段满红 A kind of trailing type sliding narrow-clearance submerged arc welding connection device
CN114406408A (en) * 2021-12-27 2022-04-29 武汉纳瑞格智能设备有限公司 Two-side-wall fusion control device for narrow-gap MAG/MIG automatic welding
CN114654055A (en) * 2021-12-21 2022-06-24 武汉纳瑞格智能设备有限公司 Secondary gas protection device for narrow-gap MAG/MIG automatic welding

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CN105643057A (en) * 2016-03-17 2016-06-08 武汉纳瑞格智能设备有限公司 Self-adaptive tracking device for constant values of distances from welding wires to sidewalls for narrow-gap arc welding
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CN106041272A (en) * 2016-06-30 2016-10-26 江汉大学 Narrow-gap submerged arc welding machine
CN108544056A (en) * 2018-04-23 2018-09-18 段满红 A kind of trailing type sliding narrow-clearance submerged arc welding connection device
CN108544056B (en) * 2018-04-23 2020-07-21 山东华星工程机械有限公司 Follow-up sliding narrow-gap submerged-arc welding device
CN114654055A (en) * 2021-12-21 2022-06-24 武汉纳瑞格智能设备有限公司 Secondary gas protection device for narrow-gap MAG/MIG automatic welding
CN114406408A (en) * 2021-12-27 2022-04-29 武汉纳瑞格智能设备有限公司 Two-side-wall fusion control device for narrow-gap MAG/MIG automatic welding
CN114406408B (en) * 2021-12-27 2023-10-03 武汉纳瑞格智能设备有限公司 Two side wall fusion control device for automatic welding of narrow-gap MAG/MIG

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