CN103264243A - Assembly welding method for producing large diameter extremely thick steel pipes through rotary walking rail and device thereof - Google Patents
Assembly welding method for producing large diameter extremely thick steel pipes through rotary walking rail and device thereof Download PDFInfo
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- CN103264243A CN103264243A CN2013101772279A CN201310177227A CN103264243A CN 103264243 A CN103264243 A CN 103264243A CN 2013101772279 A CN2013101772279 A CN 2013101772279A CN 201310177227 A CN201310177227 A CN 201310177227A CN 103264243 A CN103264243 A CN 103264243A
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Abstract
The invention discloses an assembly welding method for producing large diameter extremely thick steel pipes through a rotary walking rail and a device thereof. The assembly welding method for producing the large diameter extremely thick steel pipes through the rotary walking rail comprises paving the rail; arranging a waling flat vehicle on the rail; arranging an operational platform which can be extended to the upper end on the exteriors of the steel pipes to be welded on the rail edge; and arranging an automatic welding machine which is controlled through a computer on the operational platform. The device for producing the large diameter extremely thick steel pipes through the rotary walking rail comprises the computer, the rail, the automatic welding machine, a walking platform, an automatic welding vehicle and the operational platform. The assembly welding method for producing the large diameter extremely thick steel pipes through the rotary walking rail has the advantages of enabling welding of the large diameter extremely thick steel pipes in construction fields to be convenient and good in quality and being feasible and safe. The device for producing the large diameter extremely thick steel pipes through the rotary walking rail has the advantages of being simple and practical in structure, high in construction speed, time and labor saving, low in construction cost, good in construction quality and good in energy conservation and environmental protection effect.
Description
Technical field
The invention belongs to a kind of method and device thereof that the thick steel pipe of large diameter and extra is made in walking rails assembly unit welding that rotate.
Background technology
In construction such as mountainous region's road, bridge, culvert, often need be 2.8 meters to sections more than 10 meters, standard sections, more than the thickness of slab 50mm, the thick steel pipe of large diameter and extra of diameter 3000mm carries out scene and welds.Big, the heavy of the thick steel pipe volume of this large diameter and extra, both just at the full large-scale mfr of various device tool, welding two steel pipes also needs to expend lot of manpower and material resources and just can finish.Usually, earlier that steel pipe is affixed in the ground grading butt joint with straddle truck, then tower is built the welding scaffold on two steel pipe abutment joints, and several welders finish welding to two steel pipes connecing scaffold.This conventional method to the thick steel pipe welding of large diameter and extra, not only difficulty of construction, speed of application slow, waste time and energy, construction cost is big, and construction quality low, be difficult to guarantee that smooth-going degree and the axle center property thereof of welding quality and welding back steel pipe are same, more be difficult to guarantee the perpendicularity of steel pipe installation, restive vertical weld gap is even.In addition, this job site welding to the thick steel pipe of large diameter and extra is all carried out badly in mountainous region's construction environment, more is difficult to ensure the construction quality to the thick steel pipe welding of large diameter and extra.An above-mentioned difficult problem is the construction problem that presses for solution.
Summary of the invention
The objective of the invention is to design a kind of method and device thereof that the thick steel pipe of large diameter and extra is made in walking rails assembly unit welding that rotate, this device cooperates this method to carry out the measured welding of matter to the thick steel pipe of large diameter and extra easily at the construction field (site), has the feasible safety of construction method, device structure is simple and practical, speed of application is fast, and is time saving and energy saving, and construction cost is low, construction quality is good, the advantage that effects of energy conservation and environmental protection is good.
For this reason, method of the present invention comprises the steps:
(1) carries out site clearing, smooth at the construction field (site), lay track in smooth solid place;
(2) track of laying is carried out smooth-going degree, elevation detection, adjusts;
(3) walking flatcar by computer-controlled carrying, operation, rotation steel pipe to be welded is set in orbit, on the track limit operating platform that can extend to steel pipe outer upper ends to be welded is set, establish on the operating platform by computer-controlled automatic welder(welding machine);
(4) two steel pipes to be welded are carried with two walking flatcars respectively, finish adjustment, and the fixing walking flatcar of the butt joint of these two steel pipes and docking site weld spacing by computer-controlled walking flatcar, will be put in the butt weld of these two steel duct to be welded by computer-controlled automatic welding tractor;
(5) finish the rotation of steel pipe to be welded on the walking flatcar by computer control, and realize the inside and outside position of this butt weld is welded with automatic welder(welding machine) and automatic welding tractor simultaneously, finish the welding of two steel pipes to be welded;
(6) repeating step (4) to (5) to the welding procedure of whole steel pipes to be welded is finished;
(7) to the welded still pipe of finishing detect, evaluation quality.
Described track length equals the length summation of the thick steel pipe of large diameter and extra that need weld in orbit at least.The smooth-going degree of described track be the track upper surface at grade.At least establish four walking flatcars on the described track, carry with two walking flatcars that are distributed in interval distance the bottom of each steel pipe to be welded.
Realize the device of the inventive method, comprise computer, track and automatic welder(welding machine); Also comprise:
Travelling platform is used for carrying in orbit, move, rotating steel pipe to be welded by computer control;
Automatically welding tractor by computer control, is used for carrying, finishes the equipment that the butt weld of two steel duct to be welded is welded automatically;
Automatic welder(welding machine) by computer control, is used for finishing the butt weld of two inside and outside portions of steel pipe to be welded is welded automatically;
Operating platform, be arranged on track one side, operating platform extends to steel pipe outer upper ends to be welded, establish on the operating platform by computer-controlled automatic welder(welding machine), the operating platform bottom is provided with the computer control case, be provided with computer in the computer control case, computer connects by lead respectively controls circuit board for receiving on automatic welding tractor, automatic welder(welding machine), the travelling platform.
Described travelling platform is by vertical vehicle frame to setting with track, the mobile roof support that is positioned at the track upper end and fixes with both sides, vehicle frame lower end, electric rotating machine, motor gear, driven gear, the rotation driving wheel, rotation driven pulley and movable motor constitute, four walking rail wheels are coupling with two mobile roof support lower ends, be positioned on the mobile roof support and by computer-controlled movable motor and drive the running of a walking rail wheel, supporting frame group is established in both sides, mobile roof support upper end, interior being coupling one by axle of supporting frame group is rotated driven pulley, establish the rotation driving wheel in another supporting frame group, the central part of rotation driving wheel sets firmly another axle and this axle and this supporting frame group and is coupling, be positioned on this outer axle of this supporting frame group one side and set firmly driven gear, drive driven gear by computer-controlled electric rotating machine by motor gear.Described supporting frame group is connected by bolt in the screw at vehicle frame top, and array is adjusted mutual spacing for two supporting frame group screw is established at the vehicle frame top.
Described automatic welding tractor comprises, car body, the trailing wheel of being tended to act by the motor of tending to act is established in the rear vehicle lower end, computer is controlled the motor of tending to act by the circuit on the control circuit board for receiving, the front-wheel that is turned to by steering controller control is established in the Vehicular body front lower end, the car body front center is provided with video camera, and the car body of video camera rear end is provided with automatic welder(welding machine) and control circuit board for receiving, and battery case is positioned at rear end on the car body.Video camera is used for shooting with video-corder the scene in the butt weld of car body inferoanterior, and it is reached computer to determine route that car body should travel and the operating mode of automatic welder(welding machine) by the circuit on the control circuit board for receiving.Steering controller is positioned on the front-wheel steer bar of car body, is used for turning to of control car body, constituted by the guiding rack bar and the stepper motor that drive front-wheel steer, by computer-controlled stepper motor by the guiding of the gear driven on motor shaft rack bar.The welding gun of automatic welder(welding machine) is on same straight line on described video camera and the car body.
Described computer control case leading flank is provided with control button.The said structure design has reached purpose of the present invention.
Device of the present invention cooperates this method to carry out the measured welding of matter to the thick steel pipe of large diameter and extra easily at the construction field (site), has the feasible safety of construction method, and device structure is simple and practical, speed of application is fast, and is time saving and energy saving, and construction cost is low, construction quality is good, the advantage that effects of energy conservation and environmental protection is good.The present invention can guarantee that weldquality reaches GB I level, the present invention can guarantee that the inside and outside face down bonding of steel pipe connects simultaneously and carry out, it is little that the commissure steel duct is returned refrigerating loss, it is the energy-conservation weld steel inherent quality that can guarantee again, smooth-going degree and the axle center property thereof of welding back steel pipe are same, can guarantee the perpendicularity that steel pipe is installed, weld gap is even, the loss of avoiding doing over again.The present invention is traditional, and construction to the thick steel pipe of large diameter and extra can reduce personnel 95%, improves speed of application and reaches 4～5 times, reduces manufacturing cost 60%.
Description of drawings
Fig. 1 is welded condition structural representation of the present invention.
Fig. 2 is welded still pipe welding procedure structural representation of the present invention.
Fig. 3 is automatic welding tractor structural representation of the present invention.
Fig. 4 is travelling platform structural representation of the present invention.
Fig. 5 is the structural representation that travelling platform upper support frame group of the present invention is adjusted mutual spacing.
The specific embodiment
A kind of method of rotating the thick steel pipe of walking rails assembly unit welding manufacturing large diameter and extra comprises the steps:
(1) carries out site clearing, smooth at the construction field (site), lay track in smooth solid place.Assembling place in scene is carried out cure process, guaranteed that flatness, foundation capability satisfy the enabling capabilities of the thick steel pipe assembling of large diameter and extra, welding, avoid differential settlement in the welding procedure to influence spelling, the welding quality of steel pipe.
Track is measured setting-out to the place before installing, the superelevation part is measured, cut to elevation to the track installation site, low-lying location is mended and is filled out levelling, smooth-going degree and rail top face elevation that the control track is installed, take a mode of pad to be adjusted in case of necessity, to guarantee the installation flatness of track.The smooth-going degree of described track be the track upper surface at grade.
Described track length equals the length summation of the thick steel pipe of large diameter and extra that need weld in orbit at least, can carry the thick steel pipe total length of large diameter and extra that need weld to guarantee track.
(2) track of laying is carried out smooth-going degree, elevation detection, adjusts.On smooth solid ground parallel orbit 6 is installed, is guaranteed the top absolute altitude unanimity of parallel orbit.
(3) walking flatcar by computer-controlled carrying, operation, rotation steel pipe to be welded is set in orbit, on the track limit operating platform that can extend to steel pipe outer upper ends to be welded is set, establish on the operating platform by computer-controlled automatic welder(welding machine).At least establish four walking flatcars on the described track, carry with two walking flatcars that are distributed in interval distance the bottom of each steel pipe to be welded.For guaranteeing that the walking flatcar can adapt to the different diameter steel pipe of carrying, two supporting frame group that support rotation driving wheel and rotation driven pulley adopt the adjustable distance design, and the maximum spacing 130cm～200cm that adjusts can adapt to different-diameter steel pipe assembling construction.The supporting frame group spacing determines that the back adopts bolt to connect mode and vehicle frame is fixed.
(4) two steel pipes to be welded are carried with two walking flatcars respectively, on every section lifting steel pipes to two to be welded walking flatcar, open the pipe end butt joint that the walking flatcar makes steel pipe to be welded.Finish adjustment, and the fixing walking flatcar of the butt joint of these two steel pipes and docking site weld spacing by computer-controlled walking flatcar, will be put in the butt weld of these two steel duct to be welded by computer-controlled automatic welding tractor.
Automatic welder(welding machine) is installed in operating platform, is debugged automatic installation for welding, set automatic welder(welding machine) 2,23 arc welding gun head 1,10 welding wire feeding speed, be symmetrically welded the ectonexine weld seam with the welding procedure of approval.
(5) finish the rotation of steel pipe to be welded on the walking flatcar by computer control, simultaneously adjusting speed that electric rotating machine drives the rotation driving wheel by computer control reaches with speed of welding and is complementary, also should be reached by the speed of the motor-driven trailing wheel of tending to act of the automatic welding tractor of computer control adjustment and being complementary of speed of welding and rotation driving wheel speed, realize the inside and outside position of this butt weld is welded with automatic welder(welding machine) and automatic welding tractor simultaneously, finish the welding of two steel pipes to be welded.
(6) repeating step (4) to (5) to the welding procedure of whole steel pipes to be welded is finished.
(7) to the welded still pipe of finishing detect, evaluation quality.Comprise detection and the evaluation of butt welded seam.
To shown in Figure 5, a kind of realization rotated the device that the thick steel pipe method of large diameter and extra is made in walking rails assembly unit welding, comprises computer, track 6 and automatic welder(welding machine) 2,23, also comprises as Fig. 1:
Travelling platform 7 is used for carrying in orbit, move, rotating steel pipe 12 to be welded by computer control;
Automatically welding tractor 11 by computer control, is used for carrying, finishes the equipment that the butt weld of two steel duct to be welded is welded automatically;
Automatic welder(welding machine) by computer control, is used for finishing the butt weld of two inside and outside portions of steel pipe to be welded is welded automatically.Automatic welder(welding machine) comprises the automatic welder(welding machine) that is positioned on the operating platform 2 and is positioned at automatic welder(welding machine) 23 on the automatic welding tractor, is existing device, so be not repeated.
Operating platform 3 is arranged on track 6 one sides, and operating platform extends to steel pipe 12 outer upper ends to be welded, establishes on the operating platform by computer-controlled automatic welder(welding machine) 2.The operating platform bottom is provided with computer control case 5, is provided with computer in the computer control case, and relevant programme control circut and element.Described computer control case leading flank is provided with control button 13, to make things convenient for computer input program and director data.Computer connects by lead respectively controls circuit board for receiving on automatic welding tractor, automatic welder(welding machine), the travelling platform.
As shown in Figure 4 and Figure 5, described travelling platform by vertical with track to the vehicle frame 35 that arranges, be positioned at the track upper end and constituted with fixing mobile roof support 28, electric rotating machine 9, motor gear 33, driven gear 32, rotation driving wheel 8, rotation driven pulley 4 and the movable motor 29 in both sides, vehicle frame lower end.Four walking rail wheel 31 and two mobile roof support lower ends are coupling.Be positioned on the mobile roof support and by computer-controlled movable motor and drive the running of a walking rail wheel.Supporting frame group 30 is established in both sides, mobile roof support upper end.Interior being coupling one by axle of supporting frame group is rotated driven pulley.Establish the rotation driving wheel in another supporting frame group, the central part of rotation driving wheel sets firmly another axle 34 and this axle and this supporting frame group and is coupling, be positioned on this outer axle of this supporting frame group one side and set firmly driven gear, drive driven gear 32 by computer-controlled electric rotating machine by motor gear 33, driven gear is the driven rotary driving wheel again, makes the also slowly rotation of steel pipe to be welded by rotation driving wheel and rotation driven pulley jacking.
As shown in Figure 5, described supporting frame group is connected in the screw 36 at vehicle frame top by bolt 37, array is adjusted mutual spacing for two supporting frame group screw is established at the vehicle frame top, to guarantee that the walking flatcar can adapt to the different diameter steel pipe of carrying, two supporting frame group that support rotation driving wheel and rotation driven pulley adopt the adjustable distance design, the maximum spacing 130cm～200cm that adjusts can adapt to different-diameter steel pipe assembling construction.The supporting frame group spacing determines that the back adopts bolt to connect mode and vehicle frame is fixed.
As shown in Figure 3, described automatic welding tractor 11 comprises:
Car body, rear vehicle lower end are established the trailing wheel 22 of being tended to act by the motor 21 of tending to act, and the motor of namely tending to act is by wheel 20 trailing wheels of tending to act of tending to act on it.Computer is controlled the motor of tending to act by the circuit on the control circuit board for receiving 18.The front-wheel 17 that is turned to by steering controller control is established in the Vehicular body front lower end.The car body front center is provided with video camera 27.The car body of video camera rear end is provided with automatic welder(welding machine) 23 and control circuit board for receiving, and battery case 19 is positioned at rear end on the car body, thinks all the other supply of equipment electric energy that remove automatic welder(welding machine) on the car body.Automatic welder(welding machine) power lead external power supply on the car body imports.
Video camera 27 is used for shooting with video-corder the scene in the butt weld of car body inferoanterior, and it is reached computer to determine route that car body should travel and the operating mode of automatic welder(welding machine) by the circuit on the control circuit board for receiving.
Steering controller is positioned on the front-wheel steer bar 26 of car body, is used for turning to of control car body.Constituted by the guiding rack bar 25 and the stepper motor 24 that drive front-wheel steer.Drive the guiding rack bar by computer-controlled stepper motor by the gear 16 on the motor shaft, the left and right movement of guiding rack bar makes the front-wheel steer bar finish turning to front-wheel.The welding gun 10 of automatic welder(welding machine) is on same straight line on described video camera and the car body.
During welding procedure, on every section lifting steel pipes to two to be welded walking flatcar, two steel pipes to be welded are carried with two walking flatcars respectively.Open the pipe end butt joint that the walking flatcar makes steel pipe to be welded by computer control.Finished adjustment, and the fixing walking flatcar of the butt joint of these two steel pipes and docking site weld spacing by computer-controlled walking flatcar.To be put in the butt weld of these two steel duct to be welded by computer-controlled automatic welding tractor, the commissure is treated in the butt joint that the welding gun 10 of the automatic welder(welding machine) on it is aimed at inside lower end.The welding gun 1 of the automatic welder(welding machine) on the operating platform is also aimed at outside butt joint and is treated commissure 14, debugs automatic installation for welding, with the welding procedure setting automatic welder(welding machine) 2 of approval, 23 arc welding gun head 1,10 welding wire feeding speed.
Drive driven gear 32 by computer-controlled electric rotating machine by motor gear 33, driven gear is the driven rotary driving wheel again, make the also slowly rotation of steel pipe to be welded by rotation driving wheel and rotation driven pulley jacking, namely finish the rotation of steel pipe to be welded on the walking flatcar by computer control.Simultaneously adjusting speed that electric rotating machine drives the rotation driving wheel by computer control reaches with speed of welding and is complementary, also should be reached by the speed of the motor-driven trailing wheel of tending to act of the automatic welding tractor of computer control adjustment and being complementary of speed of welding and rotation driving wheel speed, realized the inside and outside position of this butt weld is welded by the automatic welder(welding machine) on the automatic welder(welding machine) on the computer-controlled operating platform and the automatic welding tractor simultaneously, finish the welding of two steel pipes to be welded.Namely finish and be symmetrically welded the ectonexine weld seam.The welded still pipe of finishing soldered 15 is moved outward, carry out the welding of next steel pipe to be welded again, finish until welding procedure.
Obviously in welding process, automatically the video camera on the welding tractor reaches computer with the scene signal in the butt weld of car body inferoanterior by the circuit on the control circuit board for receiving, computer is determined route that car body should travel and the operating mode of automatic welder(welding machine) accordingly, and adjusts car body direction and the startup motor of tending to act and adjust the speed of a motor vehicle by starting stepper motor.Thisly adjust control device by computer-controlled video camera, also can be used for the automatic welder(welding machine) on the operating platform, computer can be finished by the movable motor on the travelling platform of control, so be not repeated.
In a word, the present invention can carry out the measured welding of matter to the thick steel pipe of large diameter and extra at the construction field (site) easily, has the feasible safety of construction method, device structure is simple and practical, and speed of application is fast, and is time saving and energy saving, construction cost is low, and construction quality is good, the advantage that effects of energy conservation and environmental protection is good.
Claims (10)
1. one kind is rotated the method that the thick steel pipe of large diameter and extra is made in walking rails assembly unit welding, it is characterized in that: comprise the steps,
(1) carries out site clearing, smooth at the construction field (site), lay track in smooth solid place;
(2) track of laying is carried out smooth-going degree, elevation detection, adjusts;
(3) walking flatcar by computer-controlled carrying, operation, rotation steel pipe to be welded is set in orbit, on the track limit operating platform that can extend to steel pipe outer upper ends to be welded is set, establish on the operating platform by computer-controlled automatic welder(welding machine);
(4) two steel pipes to be welded are carried with two walking flatcars respectively, finish adjustment, and the fixing walking flatcar of the butt joint of these two steel pipes and docking site weld spacing by computer-controlled walking flatcar, will be put in the butt weld of these two steel duct to be welded by computer-controlled automatic welding tractor;
(5) finish the rotation of steel pipe to be welded on the walking flatcar by computer control, and realize the inside and outside position of this butt weld is welded with automatic welder(welding machine) and automatic welding tractor simultaneously, finish the welding of two steel pipes to be welded;
(6) repeating step (4) to (5) to the welding procedure of whole steel pipes to be welded is finished;
(7) to the welded still pipe of finishing detect, evaluation quality.
2. by the described method of claim 1, it is characterized in that: described track length equals the length summation of the thick steel pipe of large diameter and extra that need weld in orbit at least.
3. by the described method of claim 1, it is characterized in that: the smooth-going degree of described track be the track upper surface at grade.
4. by the described method of claim 1, it is characterized in that: establish four walking flatcars on the described track at least, carry with two walking flatcars that are distributed in interval distance the bottom of each steel pipe to be welded.
5. realize rotating the device that the thick steel pipe method of large diameter and extra is made in walking rails assembly unit welding for one kind, comprise computer, track and automatic welder(welding machine), it is characterized in that: also comprise,
Travelling platform is used for carrying in orbit, move, rotating steel pipe to be welded by computer control;
Automatically welding tractor by computer control, is used for carrying, finishes the equipment that the butt weld of two steel duct to be welded is welded automatically;
Automatic welder(welding machine) by computer control, is used for finishing the butt weld of two inside and outside portions of steel pipe to be welded is welded automatically;
Operating platform, be arranged on track one side, operating platform extends to steel pipe outer upper ends to be welded, establish on the operating platform by computer-controlled automatic welder(welding machine), the operating platform bottom is provided with the computer control case, be provided with computer in the computer control case, computer connects by lead respectively controls circuit board for receiving on automatic welding tractor, automatic welder(welding machine), the travelling platform.
6. by the described device of claim 5, it is characterized in that: described travelling platform is by vertical vehicle frame to setting with track, the mobile roof support that is positioned at the track upper end and fixes with both sides, vehicle frame lower end, electric rotating machine, motor gear, driven gear, the rotation driving wheel, rotation driven pulley and movable motor constitute, four walking rail wheels are coupling with two mobile roof support lower ends, be positioned on the mobile roof support and by computer-controlled movable motor and drive the running of a walking rail wheel, supporting frame group is established in both sides, mobile roof support upper end, interior being coupling one by axle of supporting frame group is rotated driven pulley, establish the rotation driving wheel in another supporting frame group, the central part of rotation driving wheel sets firmly another axle and this axle and this supporting frame group and is coupling, be positioned on this outer axle of this supporting frame group one side and set firmly driven gear, drive driven gear by computer-controlled electric rotating machine by motor gear.
7. by the described device of claim 6, it is characterized in that: described supporting frame group is connected by bolt in the screw at vehicle frame top, and array is adjusted mutual spacing for two supporting frame group screw is established at the vehicle frame top.
8. by the described device of claim 5, it is characterized in that: described automatic welding tractor comprises,
Car body, the trailing wheel of being tended to act by the motor of tending to act is established in the rear vehicle lower end, computer is controlled the motor of tending to act by the circuit on the control circuit board for receiving, the front-wheel that is turned to by steering controller control is established in the Vehicular body front lower end, the car body front center is provided with video camera, the car body of video camera rear end is provided with automatic welder(welding machine) and control circuit board for receiving, and battery case is positioned at rear end on the car body;
Video camera is used for shooting with video-corder the scene in the butt weld of car body inferoanterior, and it is reached computer to determine route that car body should travel and the operating mode of automatic welder(welding machine) by the circuit on the control circuit board for receiving;
Steering controller is positioned on the front-wheel steer bar of car body, is used for turning to of control car body, constituted by the guiding rack bar and the stepper motor that drive front-wheel steer, by computer-controlled stepper motor by the guiding of the gear driven on motor shaft rack bar.
9. by the described device of claim 8, it is characterized in that: the welding gun of automatic welder(welding machine) is on same straight line on described video camera and the car body.
10. by the described device of claim 5, it is characterized in that: described computer control case leading flank is provided with control button.
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| CN201310177227.9A CN103264243B (en) | 2013-05-15 | 2013-05-15 | Rotate method and the device thereof of the thick steel pipe of walking rails assembled welding manufacture large diameter and extra |
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| CN201310177227.9A CN103264243B (en) | 2013-05-15 | 2013-05-15 | Rotate method and the device thereof of the thick steel pipe of walking rails assembled welding manufacture large diameter and extra |
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Application publication date: 20130828 Assignee: CCCC First Highway Engineering Co., Ltd. Assignor: No.1 Engineering Co., Ltd. of FHEC of CCCC Contract record no.: 2014990000698 Denomination of invention: Assembly welding method for producing large diameter extremely thick steel pipes through rotary walking rail and device thereof License type: Exclusive License Record date: 20140822 |
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