CN102284773A - Boiler internal circular seam submerged arc automatic welding machine - Google Patents
Boiler internal circular seam submerged arc automatic welding machine Download PDFInfo
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- CN102284773A CN102284773A CN2011102138667A CN201110213866A CN102284773A CN 102284773 A CN102284773 A CN 102284773A CN 2011102138667 A CN2011102138667 A CN 2011102138667A CN 201110213866 A CN201110213866 A CN 201110213866A CN 102284773 A CN102284773 A CN 102284773A
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Abstract
The invention relates to a boiler internal circular seam submerged arc automatic welding machine. The boiler internal circular seam submerged arc automatic welding machine comprises a welding tractor, a welding power supply, an electric cabinet, a welding wire disk, a welding flux pallet, a welding cable and a control cable, wherein the welding tractor is placed in a barrel body of a boiler and comprises a welding gun, a wire feeder, a welding flux hopper, a transverse adjustment sliding block, a longitudinal adjustment sliding block, a weld joint tracking device and a travelling trolley; the welding wire disk, the welding power supply and the electric cabinet are placed on the ground out of the barrel body of the boiler; the welding wire in the welding wire disk is led into a welding wire straightening mechanism on the wire feeder through a hole on a seal head of the boiler barrel; the welding power supply passes through the hole on the seal head of the boiler barrel through a welding wiring harness to be connected with a welding wiring harness wiring board on the welding gun; and the electric cabinet passes through the hole on the seal head of the boiler barrel through a control wire to be connected with the welding tractor. The boiler internal circular seam submerged arc automatic welding machine can solve the problem that the last internal circular seam cannot be welded automatically in the boiler barrel combination.
Description
Technical field
The present invention relates to a kind of Lincoln weld equipment, particularly Lincoln weld dolly.
Background technology
Boiler barrel is mainly combined by two end socket welding of a cylindrical steel cylinder and similar segment.The welding of the inside and outside circumferential weld of the combination of first end socket and cylindrical shell can be finished by means of submerged-arc welding crosshead and positioner, and the interior circumferential weld that second end socket and cylindrical shell make up, the submerged-arc welding crosshead can't be implemented automatic welding because of stretching into cylindrical shell.Circumferential weld can only lean on manually by hand arc welding to finish in this road for a long time, and the shortcoming of artificial weldering is a multi-pass welding, and welding deformation is big, length consuming time, and efficient is low, and welding quality is difficult to guarantee that the people works long hours under the adverse circumstances that smoke fire burns.Therefore, urgent need is a kind of can realize the high-quality and efficient automation special welding machine of circumferential weld in this road.
Summary of the invention
The purpose of this invention is to provide circumferential weld submerged arc automatic welding machine in a kind of boiler, the circumferential weld submerged arc automatic welding machine can solve boiler barrel and make up the problem that circumferential weld can't weld automatically in last one in this boiler.
Technical scheme of the present invention is: circumferential weld submerged arc automatic welding machine in a kind of boiler comprises welding tractor, the source of welding current, electric cabinet, wire reel, solder flux pallet, welding cable and control cable.Several are installed on the ground support positioner, boiler barrel is placed on and supports on the positioner.Boiler barrel and drum end socket constitute girth weld, open an aperture on the drum end socket, insulation sleeve of cover on the aperture.Welding tractor is put into boiler barrel, welding tractor comprise welding gun, wire-feed motor, solder flux hopper, laterally adjust slide block, vertically adjust slide block, weld tracker and walking dolly; One side field joint tracking means of walking dolly is installed on walking dolly and is vertically adjusted slide block, installs on vertical adjustment slide block and laterally adjusts slide block, on horizontal adjustment slide block wire-feed motor and solder flux hopper is installed, and is equipped with remote-control box on the solder flux hopper.In a side of laterally adjusting slide block welding gun is installed, welding is housed the line terminal plate at the middle part of welding gun, be equipped with welding wire straightening mechanism in the upper end of welding gun, welding wire straightening mechanism is contained on the wire-feed motor again simultaneously.Send the upper end of agent pipe to be connected by the lower end of hopper base with the solder flux hopper, send the bottom of agent pipe to link to each other by sending the agent pipe holder with welding gun, solder flux valve handgrip is installed in the top of sending the agent pipe.Laterally adjust and be equipped with horizontal adjustment handwheel and the horizontal handle of adjusting on the slide block, vertically adjust and be equipped with vertical adjustment handwheel on the slide block.Below boiler barrel and drum end socket formation girth weld, be equipped with the solder flux pallet.Wire reel, the source of welding current and electric cabinet are placed on the ground of boiler barrel outside, and the welding wire in the wire reel is by in the welding wire straightening mechanism on the importing of the aperture on the drum end socket wire-feed motor.The source of welding current is connected the aperture that line passes on the drum end socket to the line terminal plate with welding on the welding gun by welding, and electric cabinet is connected with welding tractor by the aperture that control line passes on the drum end socket.
Said walking dolly, comprise road wheel, motor, pressing plate, worm shaft, bearing, worm gear, wheel shaft and conical gear, worm shaft is equipped with in bottom at walking dolly, and worm shaft links to each other with motor by conical gear, and motor is fixed on the bottom of walking dolly by pressing plate; The two ends of worm shaft are equipped with bearing, are equipped with worm gear on the bearing, and wheel shaft is installed on the worm gear, and road wheel is equipped with at the two ends of wheel shaft.
Said weld tracker comprises tracking wheel, crossbeam, overcoat, mandrel, handle, mobile cover, spring and worm screw, and overcoat is installed in an end of walking dolly by anchor clamps, be equipped with in the overcoat to move cover, overcoat and move cover the upper end have an aperture; One end of mandrel inserts in the endoporus that moves cover, and the other end of mandrel is equipped with crossbeam, and tracking wheel is installed at the two ends of crossbeam; Mandrel connects with mobile cover movingly by the key guiding, and mobile cover also is to connect movingly with overcoat by the key guiding; The end of worm screw is equipped with handle, and the aperture that the other end of worm screw passes overcoat and mobile set upper side enters mobile cover endoporus, in the space spring is housed between worm screw and mobile cover inner hole wall.
Compared with prior art, the present invention is preseting the speed of welding of welding tractor, support positioner speed, behind the welding current voltage, just can begin welding, in the welding process, under the effect of weld tracker, welding tractor keeps equidistant walking along direction that is parallel to weld seam and weld seam all the time, thereby guarantees that welding gun is not all the time from weld seam.In the welding process, welding tractor is in the welding of boiler barrel minimum point all the time.Solder flux on the solder flux pallet plays the effect of holder arc, prevents that the burn-through weld seam from causing molten iron to leak.After boiler barrel rotated a circle, the weld seam Origin And Destination overlapped, and interior girth welding finishes.。
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the A-A section right view of Fig. 1.
Fig. 3 is the structural representation of welding tractor drive system.
Fig. 4 is the structural representation of weld tracker.
Parts label among the figure is: 1-support positioner, 2-boiler barrel, 3-weld tracker, 4-walking dolly, 5-laterally adjust slide block, 6-tooth bar transverse tube, 7-send agent pipe, 8-connecting line, 9-solder flux valve handgrip, 10-remote-control box, 11-solder flux hopper, 12-hopper base, 13-welding wire straightening mechanism, 14-wire-feed motor, 15-drum end socket, 16-wire feed dish, 17-electric cabinet, 18-source of welding current, 19-welding ground, 20-weld line 21-control line, 22-insulation sleeve, 23-solder flux pallet, 24-welding gun, 25-anchor clamps, 26-send the agent pipe holder, 27-vertically adjust slide block, and 28-welding is the line terminal plate, 29-bearing, 30-worm gear, 31-worm shaft, 32-road wheel, 33-wheel shaft, 34-conical gear, 35-pressing plate, 36-motor, 37-tracking wheel, 38-key, 39-move and overlap 40-key, 41-spring, 42-worm screw, 43-handle, 44-overcoat, 45-mandrel, 46-crossbeam.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.
See Fig. 1 and Fig. 2, circumferential weld submerged arc automatic welding machine in a kind of boiler comprises welding tractor, the source of welding current 18, and electric cabinet 17, wire feed dish 16, solder flux pallet 23, welding is line 20 and control line 21.Several are installed on the ground support positioner 1, boiler barrel 2 is placed on and supports on the positioner 1.Boiler barrel 2 constitutes girth weld with drum end socket 15, opens an aperture on drum end socket 15, insulation sleeve 22 of cover on the aperture.Welding tractor is put into boiler barrel 2, welding tractor comprise welding gun 24, wire-feed motor 14, solder flux hopper 11, laterally adjust slide block 5, vertically adjust slide block 27, weld tracker 3 and walking dolly 4; One side field joint tracking means 3 of walking dolly 4, on walking dolly 4, install and vertically adjust slide block 27, vertically adjusting the horizontal slide block 5 of adjusting of installation on the slide block 27,, on solder flux hopper 11, be equipped with remote-control box 10 laterally adjusting installation wire-feed motor 14 and solder flux hopper 11 on the slide block 5.In a side of laterally adjusting slide block 5 welding gun 24 is installed, welding is housed line terminal plate 28 at the middle part of welding gun 24, be equipped with welding wire straightening mechanism 13 in the upper end of welding gun 24, welding wire straightening mechanism 13 is contained in again on the wire-feed motor 14 simultaneously.Send the upper end of agent pipe 7 to be connected with the lower end of solder flux hopper 11, send the bottom of agent pipe 7 to link to each other by sending agent pipe holder 26 with welding gun 24, solder flux valve handgrip 9 is installed in the top of sending agent pipe 7.Laterally adjust and be equipped with horizontal adjustment handwheel and the horizontal handle of adjusting on the slide block 5, vertically adjust and be equipped with vertical adjustment handwheel on the slide block 27.Below boiler barrel 2 and drum end socket 15 formation girth welds, be equipped with solder flux pallet 23.Wire feed dish 16, the source of welding current 18 and electric cabinet 17 are placed on the ground of boiler barrel 2 outsides, and the welding wire in the wire feed dish 16 is by in the welding wire straightening mechanism 13 on the importing of the aperture on the drum end socket 15 wire-feed motor 14.The source of welding current 18 is connected the aperture that line 20 passes on the drum end socket 15 to line terminal plate 28 with welding on the welding gun 24 by welding, and electric cabinet 17 is connected with welding tractor by the aperture that control line 21 passes on the drum end socket 15.
See Fig. 3, said walking dolly 4, comprise road wheel 32, motor 36, pressing plate 35, worm shaft 31, bearing 29, worm gear 30, wheel shaft 33 and conical gear 34, in the bottom of walking dolly 4 worm shaft 31 is housed, worm shaft 31 links to each other with motor 36 by conical gear 34, and motor 36 is fixed on the bottom of walking dolly 4 by pressing plate 35; The two ends of worm shaft 31 are equipped with bearing 29, are equipped with worm gear 30 on the bearing 29, and wheel shaft 33 is installed on the worm gear 30, and road wheel 32 is equipped with at the two ends of wheel shaft 33.
See Fig. 4, said weld tracker 3, comprise tracking wheel 37, crossbeam 46, overcoat 44, mandrel 45, handle 43, move cover 39, spring 41 and worm screw 42, overcoat 44 is installed in an end of walking dolly 4 by anchor clamps 25, be equipped with in the overcoat and move cover 39, the aperture that has of overcoat 44 and the upper end of moving cover 39; One end of mandrel 45 inserts in the endoporus that moves cover 39, and the other end of mandrel 45 is equipped with crossbeam 46, and tracking wheel 37 is installed at the two ends of crossbeam 46; Mandrel 45 connects with mobile cover 39 movingly by key 40 guiding, and moving cover 39 also is to connect movingly with overcoat 44 by key 40 guiding; The end of worm screw 42 is equipped with handle 43, and the other end of worm screw 42 passes overcoat 44 and enters mobile cover 39 endoporus with the aperture that moves cover 39 upper ends, in the space spring 41 is housed between worm screw 42 and mobile cover 39 inner hole walls.
Operating process of the present invention is as follows:
Prepare before the weldering: at first require boiler barrel 2 and 15 the two butt weld of drum end socket to hold bevel for welding successfully, and the group butt welding point is provided with outside on the circumferential weld, do not allow solder joint on the interior circumferential weld by welding process requirement.An insulation sleeve of being convenient to install and remove 22 is set on the aperture of drum end socket 15, welding wire, welding is line 20, all from then on insulate trepanning importing of control line 21.Walking dolly 4 and remote-control box 10 thereof are moved in the boiler barrel 2 from the inlet on the boiler barrel 2, and solder flux is also moved into immediately.Welding ground 19 is connected with support positioner 1 with the source of welding current 18; Welding is connected an end of line 20 with the source of welding current 18, the other end is introduced from end socket centre bore insulation sleeve 22, with welding on the welding gun 24 line terminal plate 28 is joined; One end of control line 21 is linked to each other with the source of welding current 18, and the other end is introduced in the boiler barrel 2 by insulation sleeve 22 through electric cabinet 17 again and is linked to each other with remote-control box 10.Wire feed dish 16 moves to drum end socket 15 fronts, and welding wire is also imported by insulation sleeve 22 and installs on the welding gun 24.Adjust 13 pairs of welding wire alignments of welding wire straightening mechanism.Connecting line 8 between walking dolly 4 and the remote-control box 10 is coupled together.In anchor clamps 25, two tracking wheels 37 are ridden in the weld groove with weld tracker 3 clampings, adjust and laterally adjust the extension that slide block 5 can be regulated weld tracker 3.Adjust respectively and vertically adjust slide block 27 and laterally adjust slide block 5, make welding gun 24 perpendicular alignmnet weld seams, muzzle is apart from 25 ~ 30 millimeters of weld seams.The source of welding current 18 and electric cabinet 17 are given electricity, support positioner 1 and also are in holding state.Pull the walking switch on the remote-control box 10, walking dolly 4 is walked being similar under the speed of welding, support positioner 1 and also start and the despining mutually of carriage walking direction.The speed of travel of walking dolly 4 is synchronous with the speed that supports positioner 1, and walking dolly 4 is in boiler barrel 2 minimum points all the time when guaranteeing welding.Solder flux is packed in the solder flux hopper 11.Solder flux pallet 23 places boiler barrel 2 solder joints below, solder flux pallet 23 is rotary, when guaranteeing welding job under the drive that boiler barrel 2 rotates, it also can autobiography, therefore, the center of solder flux pallet 23 will be along the axis direction of boiler barrel 2 to drum end socket 15 1 lateral deviations from about 10 centimetres of weld seams, and to pile with solder flux on the solder flux pallet 23.Adjust and to send agent pipe holder 26 on the welding gun 24, make and send agent pipe 7 to be in welding the place ahead.
Welding:, on remote-control box 10, set welding current and magnitude of voltage by welding current knob and weldingvoltage knob by welding process requirement.And on remote-control box 10, configure the welding direction and the speed of travel of walking dolly 4, configure and support turning to and the working speed synchronous of positioner 1 with walking dolly 4.Crawl wire-feed motor 14 makes the welding wire termination arrive at starting the arc position.Open the solder flux valve handgrip 9 on the solder flux hopper 11, arcing point is buried deposited solder flux.Press " welding beginning " button on the remote-control box 10, the welding beginning.Walking dolly 4 is along the welding direction walking, and it is also moving thereupon to support positioner 1.In the welding process, weld tracker 3 will escort to lead for walking dolly 4 from start to finish.When weld seam closed on headtotail, tracking means will lose followed the tracks of weld seam dependence, but relies on the continuity of original guide effect, and walking dolly 4 still can advance along former welding direction.After finishing the weld seam butt joint, " stop to weld " button by remote-control box, interior girth welding is finished.
Claims (3)
1. the interior circumferential weld submerged arc automatic welding machine of boiler comprises welding tractor, the source of welding current, and electric cabinet, wire reel, the solder flux pallet, welding cable and control cable is characterized in that: several are installed on the ground support positioner, boiler barrel is placed on and supports on the positioner; Boiler barrel and drum end socket constitute girth weld, open an aperture on the drum end socket, insulation sleeve of cover on the aperture; Welding tractor is put into boiler barrel, welding tractor comprise welding gun, wire-feed motor, solder flux hopper, laterally adjust slide block, vertically adjust slide block, weld tracker and walking dolly; One side field joint tracking means of walking dolly is installed on walking dolly and is vertically adjusted slide block, installs on vertical adjustment slide block and laterally adjusts slide block, on horizontal adjustment slide block wire-feed motor and solder flux hopper is installed, and is equipped with remote-control box on the solder flux hopper; In a side of laterally adjusting slide block welding gun is installed, welding is housed the line terminal plate at the middle part of welding gun, be equipped with welding wire straightening mechanism in the upper end of welding gun, welding wire straightening mechanism is contained on the wire-feed motor again simultaneously; Send the upper end of agent pipe to be connected by the lower end of hopper base with the solder flux hopper, send the bottom of agent pipe to link to each other by sending the agent pipe holder with welding gun, solder flux valve handgrip is installed in the top of sending the agent pipe; Laterally adjust and be equipped with horizontal adjustment handwheel and the horizontal handle of adjusting on the slide block, vertically adjust and be equipped with vertical adjustment handwheel on the slide block; Below boiler barrel and drum end socket formation girth weld, be equipped with the solder flux pallet; Wire reel, the source of welding current and electric cabinet are placed on the ground of boiler barrel outside, and the welding wire in the wire reel is by in the welding wire straightening mechanism on the importing of the aperture on the drum end socket wire-feed motor; The source of welding current is connected the aperture that line passes on the drum end socket to the line terminal plate with welding on the welding gun by welding, and electric cabinet is connected with welding tractor by the aperture that control line passes on the drum end socket.
2. circumferential weld submerged arc automatic welding machine in the boiler according to claim 1, it is characterized in that: said walking dolly, comprise road wheel, motor, pressing plate, worm shaft, bearing, worm gear, wheel shaft and conical gear, worm shaft is equipped with in bottom at walking dolly, worm shaft links to each other with motor by conical gear, and motor is fixed on the bottom of walking dolly by pressing plate; The two ends of worm shaft are equipped with bearing, are equipped with worm gear on the bearing, and wheel shaft is installed on the worm gear, and road wheel is equipped with at the two ends of wheel shaft.
3. circumferential weld submerged arc automatic welding machine in the boiler according to claim 1, it is characterized in that: said weld tracker, comprise tracking wheel, crossbeam, overcoat, mandrel, handle, mobile cover, spring and worm screw, overcoat is installed in an end of walking dolly by anchor clamps, be equipped with in the overcoat and move cover, the aperture that has of overcoat and the upper end of moving cover; One end of mandrel inserts in the endoporus that moves cover, and the other end of mandrel is equipped with crossbeam, and tracking wheel is installed at the two ends of crossbeam; Mandrel connects with mobile cover movingly by the key guiding, and mobile cover also is to connect movingly with overcoat by the key guiding; The end of worm screw is equipped with handle, and the aperture that the other end of worm screw passes overcoat and mobile set upper side enters mobile cover endoporus, in the space spring is housed between worm screw and mobile cover inner hole wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102138667A CN102284773A (en) | 2011-07-28 | 2011-07-28 | Boiler internal circular seam submerged arc automatic welding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102138667A CN102284773A (en) | 2011-07-28 | 2011-07-28 | Boiler internal circular seam submerged arc automatic welding machine |
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| CN102284773A true CN102284773A (en) | 2011-12-21 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264211A (en) * | 2013-05-07 | 2013-08-28 | 南通大力化工设备有限公司 | Method for welding last circumferential seam of tubular tank |
| CN103433602A (en) * | 2013-07-16 | 2013-12-11 | 宁波江东科海运拓机械科技有限公司 | Automatic submerged arc welding machine |
| CN103567635A (en) * | 2012-08-10 | 2014-02-12 | 深圳市通发激光设备有限公司 | Automatic wire feeding system of automatic laser welding machine |
| CN104475942A (en) * | 2014-12-15 | 2015-04-01 | 济南重工股份有限公司 | Vertical mill separator lower shell welding process |
| CN104882685A (en) * | 2015-06-08 | 2015-09-02 | 合肥紫金钢管有限公司 | Connecting apparatus of steel pipe and welding machine ground wire |
| CN105252113A (en) * | 2015-11-18 | 2016-01-20 | 沈阳大学 | Automatic welding walk car of inner ring welding line |
| CN105290567A (en) * | 2015-11-18 | 2016-02-03 | 沈阳大学 | Welding seam tracker for inner ring submerged-arc welding |
| CN105290580A (en) * | 2015-11-18 | 2016-02-03 | 沈阳大学 | Automatic welding machine for boiler inner circular seam submerged arc |
| CN106425048A (en) * | 2016-11-10 | 2017-02-22 | 河北二十冶建设有限公司 | Soldering method and soldering device for storage tank flip method |
| CN107695480A (en) * | 2017-10-24 | 2018-02-16 | 江苏特威机床制造有限公司 | A kind of lamp stand longitudinal joint soldering mechanism |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103567635A (en) * | 2012-08-10 | 2014-02-12 | 深圳市通发激光设备有限公司 | Automatic wire feeding system of automatic laser welding machine |
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| CN104475942A (en) * | 2014-12-15 | 2015-04-01 | 济南重工股份有限公司 | Vertical mill separator lower shell welding process |
| CN104882685A (en) * | 2015-06-08 | 2015-09-02 | 合肥紫金钢管有限公司 | Connecting apparatus of steel pipe and welding machine ground wire |
| CN104882685B (en) * | 2015-06-08 | 2017-06-09 | 合肥紫金钢管股份有限公司 | A kind of attachment means of steel pipe and welding machine ground wire |
| CN105252113A (en) * | 2015-11-18 | 2016-01-20 | 沈阳大学 | Automatic welding walk car of inner ring welding line |
| CN105290567A (en) * | 2015-11-18 | 2016-02-03 | 沈阳大学 | Welding seam tracker for inner ring submerged-arc welding |
| CN105290580A (en) * | 2015-11-18 | 2016-02-03 | 沈阳大学 | Automatic welding machine for boiler inner circular seam submerged arc |
| CN106425048A (en) * | 2016-11-10 | 2017-02-22 | 河北二十冶建设有限公司 | Soldering method and soldering device for storage tank flip method |
| CN107695480A (en) * | 2017-10-24 | 2018-02-16 | 江苏特威机床制造有限公司 | A kind of lamp stand longitudinal joint soldering mechanism |
| CN107695480B (en) * | 2017-10-24 | 2024-03-08 | 江苏特威机床制造有限公司 | Lamp post longitudinal seam welding mechanism |
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Application publication date: 20111221 |