CN103418907A - Friction plug welding device used for petroleum pipeline - Google Patents
Friction plug welding device used for petroleum pipeline Download PDFInfo
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- CN103418907A CN103418907A CN2013103470023A CN201310347002A CN103418907A CN 103418907 A CN103418907 A CN 103418907A CN 2013103470023 A CN2013103470023 A CN 2013103470023A CN 201310347002 A CN201310347002 A CN 201310347002A CN 103418907 A CN103418907 A CN 103418907A
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- petroleum pipeline
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Abstract
The invention discloses a friction plug welding device used for a petroleum pipeline. The device is compact in overall structure, adaptable to structural features of the petroleum pipeline, and capable of achieving circumferential rotation. The axial reciprocal rectilinear movement and circumferential rotation of the plug welding device enable a stopper rod to be directed at a position to be repair-welded to further achieve repair welding. Meanwhile, a locking mechanism is simple, convenient to use and reliable. When the friction plug welding device used for the petroleum pipeline is applied to repair welding of a deep-sea petroleum pipeline, the service life of the petroleum pipeline is prolonged, repair welding of the corroded petroleum pipeline can be achieved effectively, and oil exploitation cost is reduced.
Description
Technical field
The present invention is a kind of petroleum pipeline friction plug weld device, belongs to special-purpose friction plug weld equipment.This equipment is used for the petroleum pipeline defect repair welding.
Background technology
The offshore oil pipeline comprises seabed oil, gas gathering line, main pipeline and attached supercharging platform, and the parts such as supervisor that are connected with platform of pipeline.Its effect is that oil or natural gas that offshore oil, gas field are exploited out collect, and transports to the single point mooring of mooring oil carrier or transports to land oil, air reservoir station.According to purposes, submarine pipeline can be divided into oil pipeline, gas pipeline, aqueduct etc. simply.The many main forces of China oil field has entered middle and high moisture development period, continuous rising along with comprehensive water cut, the corrosion of oil, gas, water gathering system is day by day serious, and corrosion becomes the key factor that affects pipe-line system reliability and service life, is the main reason that causes pipeline accident.According to incomplete statistics in 1988, Zhongyuan Oil Field sewage, waterflood-transmission line internal corrosion in year perforation reached 5800 times, scrap 57.9km, upgrade repair welding 91km.1～October in 1994, only three oil recovery factory's conduit wiring piercings of Zhongyuan Oil Field just reached 1629 times.Newly-built pipeline just perforation half a year that Dongxing oil fields in Shengli has, the soonest only with 1 year with regard to update all.In the corrosive pipeline process, the welding point place is particularly serious.Therefore take effective petroleum pipeline service technique particularly important.
Summary of the invention
A kind of petroleum pipeline friction plug weld device that the present invention designs for the above-mentioned needs to the petroleum pipeline service technique just, its objective is that the workpiece for the weldering of applying in ocean engineering defect or crackle occur at welded seam area, need to carry out that defect and crackle are eliminated in repair welding and the friction stir weld device that designs.
The objective of the invention is to realize by following technical measures:
This kind of petroleum pipeline friction plug weld device, it is characterized in that: this device comprises:
A main shaft (3) driven by motor (6), throw stopper (1) is installed in the lower end of main shaft (3), respectively be provided with a slide block (11) on the both sides radially of the sleeve of main shaft (3), slide block (11) is arranged on the guide rail (10) of frame (7), and rectilinear motion before and after can doing along guide rail (10), the position, four angles of frame (7) bottom respectively is provided with a gear (9), wherein, former and later two gears (9) that are positioned at the same side connect by connecting axle (8), and connecting axle (8) drives rotation by another motor (6);
A saddle, the rear and front end of saddle is semicircular mount pad (28), be provided with semicircular tooth bar (13) on semicircular mount pad (28), between the semicircle mount pad (28) of rear and front end, by connecting plate (17), connect, it is upper that two semicircle mount pads (28) are coated on petroleum pipeline (4), and the whole lock ring of chain (12) is passed through on petroleum pipeline (4) in the bottom of two semicircle mount pads (28) and connecting plate (17);
Tooth bar (13) engagement on respectively with two semicircle mount pads of gear (9) (28) of the position, four angles of described frame (7) bottom, realize that frame (7) is in two semicircle mount pads (28) circumferential movement.
In the both sides, front and back of frame (7), a locking device respectively is installed, this locking device comprises a locking cylinder (21), voussoir connecting rod (22), compress voussoir (23), wedge shape fixed block (24), wherein, locking cylinder (21) and wedge shape fixed block (24) are fixed on frame (7), voussoir connecting rod (22) is connected with the piston-rod lower end of locking cylinder (21), voussoir connecting rod (22) is connected with an end of the cylinder lever connecting rod (25) of both sides by connecting axle (26), cylinder lever connecting rod (25) can rotate along connecting axle (26), the other end of cylinder lever connecting rod (25) is rotationally connected with compression voussoir (23), compressing the bottom of voussoir (23) and the upper surface shape of semicircle mount pad (28) coincide, the top that compresses voussoir (23) is spacing by wedge shape fixed block (24).
The advantage of technical solution of the present invention is compact overall structure, the design feature that adapts to petroleum pipeline realizes that circumference rotatablely moves, the axial reciprocating rectilinear motion of plug welding device and the motion that rotates in a circumferential direction guarantee that stopper finds the repair welding position accurately and complete and repair welding, and retaining mechanism is easy to be reliable simultaneously.
The application of technical solution of the present invention in the welding of deep-sea oil repairing pipe, in the service life of having improved petroleum pipeline, the petroleum pipeline of corrosion can carry out effectively repairing welding, has reduced the cost of oil exploitation.
The accompanying drawing explanation
Fig. 1 is the weld defect schematic diagram
Fig. 2 is for filling special type hole procedure chart
Fig. 3 is friction stir plug soldering equipment general structure schematic diagram
Fig. 4 is the discrete defect schematic diagram of line style
Fig. 5 is for repairing the schematic diagram of individual defect
Fig. 6 is the saddle schematic diagram
Fig. 7 is the retaining mechanism schematic diagram
The specific embodiment
Below with reference to drawings and Examples, technical solution of the present invention is further described:
Shown in accompanying drawing 3,6,7, this kind of petroleum pipeline friction plug weld device, it is characterized in that: this device comprises:
A main shaft 3 driven by motor 6, throw stopper 1 is installed in the lower end of main shaft 3, respectively be provided with a slide block 11 on the both sides radially of the sleeve of main shaft 3, slide block 11 is arranged on the guide rail 10 of frame 7, and rectilinear motion before and after can doing along guide rail 10, the position, four angles of frame 7 bottoms respectively is provided with a gear 9, wherein, former and later two gears 9 that are positioned at the same side connect by connecting axle 8, and connecting axle 8 drives rotation by another motor 6;
A saddle, the rear and front end of saddle is semicircular mount pad 28, be provided with semicircular tooth bar 13 on semicircular mount pad 28, between the semicircle mount pad 28 of rear and front end, by connecting plate 17, connect, two semicircle mount pads 28 are coated on petroleum pipeline 4, the bottom of two semicircle mount pads 28 and connecting plate 17 by the whole lock ring of chain 12 on petroleum pipeline 4;
Tooth bar 13 engagements on the gear 9 of the position, four angles of described frame 7 bottoms and respectively with two semicircle mount pads 28, realize that frame 7 is two semicircle mount pad 28 circumferential movement.
In the both sides, front and back of frame 7, a locking device respectively is installed, this locking device comprises a locking cylinder 21, voussoir connecting rod 22, compress voussoir 23, wedge shape fixed block 24, wherein, locking cylinder 21 and wedge shape fixed block 24 are fixed on frame 7, voussoir connecting rod 22 is connected with the piston-rod lower end of locking cylinder 21, voussoir connecting rod 22 is connected with an end of the cylinder lever connecting rod 25 of both sides by connecting axle 26, cylinder lever connecting rod 25 can rotate along connecting axle 26, the other end of cylinder lever connecting rod 25 is rotationally connected with compression voussoir 23, compressing the bottom of voussoir 23 and the upper surface shape of semicircle mount pad 28 coincide, the top that compresses voussoir 23 is spacing by wedge shape fixed block 24.
As shown in Figure 4, when the defect on petroleum pipeline 4 pipelines is line style defect 18, at first on defect, do a type hole I 19, by the chain 12 on equipment, hold petroleum pipeline 4 tightly, then use the stopper 1 centering type hole I 19 of friction stir plug soldering equipment, main shaft 3 is done rectilinear motion on frame 7 guide rails 10; Gear 9 on the 3rd brake 6 drive chassis 7 meshes with the arc-shaped rack 13 on saddle 28, under the engagement action of gear 9 and tooth bar 13, drive frame 7 and mainshaft mechanism 3 circumferentially rotating at petroleum pipeline 4, after moving to correct position, by locking cylinder 21, promote the circumferential position of voussoir 23 positioning equipments at pipeline; After equipment completes two above actions and finds special type hole 19 accurately, the first brake 6 of equipment provides the power drive mainshaft mechanism 3 High Rotation Speeds, rotary speed is generally 4000-6000rpm, and the stopper 1 that drives High Rotation Speed enters in the special type hole 19 of petroleum pipeline 4.By the stopper 1 of High Rotation Speed and the friction of 19 bottom surfaces, special type hole, the extruding heat-dissipating, make the base material plasticizing in stopper 1 end material and special type hole 19, the metal mixed generation Plastic Flow after softening, the stopper 1 of High Rotation Speed upwards lifts gradually, and it is per minute that the speed of lifting is generally 20-30mm.The periphery material in the material of stopper 1 and special type hole 19 plastifies to flow layer by layer to be piled up, stopper material after these plasticity are softening deposits on special type hole 19 under the certain pressure effect, and link together with welded piece 4 solid phases, form firmly after jointing the stop the rotation unloading that moves upward of mainshaft mechanism 3 and exit workpiece.After completing the repairing in special type hole 19, change stopper.Equipment axial direction at pipeline under the effect of second brake 6 moves to 20 places, special type hole, there is the zone of coincidence in special type hole 19 and special type hole 20 herein, after having filled special type hole 19, done special type hole 20 for defect 18 again near populated hole 19, equipment repeats the above course of action of repairing special type hole 19, completes the filling work in special type hole 20.This is on the material of populated defect and continues stirring material to fill special type hole 20 be not affect properties of materials.Can complete one by one the patch work of linear discontinuities by that analogy.
Technical solution of the present invention not is only limited in petroleum pipeline 4, also comprises the weld seam patch work of the revolving body workpieces such as pressure vessel.Wherein needing the defect of repairing can be that discrete spot defect can be also the wire type.
As shown in Figure 5: while on pipeline, discrete spot defect occurring, (pipeline material herein can be aluminium, aluminium alloy, titanium, titanium alloy, copper, copper alloy, magnesium, magnesium alloy, steel alloy etc.), at first by being processed into a taper hole 29 on spot defect, by the chain 12 on equipment and saddle 28, hold pipeline tightly.Then need the welding instrument stopper 1 centering taper hole 29 of the friction stir plug soldering equipment in this patent, the process of centering taper hole 29 is as described below: the second brake of friction stir plug soldering equipment provides power mobile mainshaft mechanism 3 to do rectilinear motion on the guide rail of frame 7; Gear 9 on the 3rd brake 6 drive chassis 7 meshes with the arc-shaped rack 13 on saddle 28, under the engagement action of gear 9 and tooth bar 13, drive frame 7 and mainshaft mechanism 3 circumferentially rotating at pipeline processing part 4, after moving to correct position, promote to compress voussoirs 23 equipment of realizing that move by locking cylinder 21 on wedge shape fixed block 24 and locate at the circumferential position of pipeline; After equipment completes two above actions and finds taper hole 29 accurately, the first brake 6 of equipment provides the power drive mainshaft mechanism 3 High Rotation Speeds, and rotary speed is generally 4000-6000rpm, and the stopper 1 that drives High Rotation Speed enters in the taper hole 29 of pipeline.By the stopper 1 of High Rotation Speed and the friction of taper hole 29 bottom surfaces, the extruding heat-dissipating, make the base material plasticizing of stopper 1 end material and taper hole 29, the metal mixed generation Plastic Flow after softening, the stopper 1 of High Rotation Speed upwards lifts gradually, and it is per minute that the speed of lifting is generally 20-30mm.The periphery material of the material of stopper 1 and taper hole 29 plastifies to flow layer by layer to be piled up, stopper material after these plasticity are softening deposits on taper hole 29 under the certain pressure effect, and link together with the pipeline solid phase, form firmly after jointing mainshaft mechanism 3 unloading of stopping the rotation and exit workpiece.
Claims (2)
1. a petroleum pipeline friction plug weld device, it is characterized in that: this device comprises:
A main shaft (3) driven by motor (6), throw stopper (1) is installed in the lower end of main shaft (3), respectively be provided with a slide block (11) on the both sides radially of the sleeve of main shaft (3), slide block (11) is arranged on the guide rail (10) of frame (7), and rectilinear motion before and after can doing along guide rail (10), the position, four angles of frame (7) bottom respectively is provided with a gear (9), wherein, former and later two gears (9) that are positioned at the same side connect by connecting axle (8), and connecting axle (8) drives rotation by another motor (6);
A saddle, the rear and front end of saddle is semicircular mount pad (28), be provided with semicircular tooth bar (13) on semicircular mount pad (28), between the semicircle mount pad (28) of rear and front end, by connecting plate (17), connect, it is upper that two semicircle mount pads (28) are coated on petroleum pipeline (4), and the whole lock ring of chain (12) is passed through on petroleum pipeline (4) in the bottom of two semicircle mount pads (28) and connecting plate (17);
The gear (9) of the position, four angles of described frame (7) bottom and the engagement of the tooth bar (13) on respectively with two semicircle mount pads (28), realize that frame (7) is in two semicircle mount pads (28) circumferential movement.
2. petroleum pipeline according to claim 1 friction plug weld device, it is characterized in that: in the both sides, front and back of frame (7), a locking device respectively is installed, this locking device comprises a locking cylinder (21), voussoir connecting rod (22), compress voussoir (23), wedge shape fixed block (24), wherein, locking cylinder (21) and wedge shape fixed block (24) are fixed on frame (7), voussoir connecting rod (22) is connected with the piston-rod lower end of locking cylinder (21), voussoir connecting rod (22) is connected with an end of the cylinder lever connecting rod (25) of both sides by connecting axle (26), cylinder lever connecting rod (25) can rotate along connecting axle (26), the other end of cylinder lever connecting rod (25) is rotationally connected with compression voussoir (23), compressing the bottom of voussoir (23) and the upper surface shape of semicircle mount pad (28) coincide, the top that compresses voussoir (23) is spacing by wedge shape fixed block (24).
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| CN2013103470023A CN103418907A (en) | 2013-08-09 | 2013-08-09 | Friction plug welding device used for petroleum pipeline |
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| CN2013103470023A CN103418907A (en) | 2013-08-09 | 2013-08-09 | Friction plug welding device used for petroleum pipeline |
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Cited By (7)
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|---|---|---|---|---|
| CN104353931A (en) * | 2014-09-22 | 2015-02-18 | 天津大学 | Full-hydraulic drive open-type double-main-shaft numerical control underwater stitch welding equipment |
| CN104400211A (en) * | 2014-11-24 | 2015-03-11 | 首都航天机械公司 | Method and device for equivalent solid-phase repairing welding of tank friction stir welding defect |
| CN107717208A (en) * | 2017-10-30 | 2018-02-23 | 北京建筑大学 | A kind of friction-stir welder for vehicle wallboard reparation |
| CN107803583A (en) * | 2016-09-09 | 2018-03-16 | 首都航天机械公司 | A kind of drawing type inertia friction weld method and device |
| CN109079310A (en) * | 2018-09-21 | 2018-12-25 | 中石油昆仑燃气有限公司 | One kind blocking combustion gas steel pipe repairing welding method with pressure based on agitating friction |
| CN113695813A (en) * | 2021-11-01 | 2021-11-26 | 成都兴原再生资源股份有限公司 | Welding device for repairing surface defects of parts |
| CN114682902A (en) * | 2022-04-07 | 2022-07-01 | 中南大学 | Friction repairing method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353931B (en) * | 2014-09-22 | 2016-08-24 | 天津大学 | The double main spindle numerical control of full hydraulic drive open type rubs under water and connects soldering equipment |
| CN104353931A (en) * | 2014-09-22 | 2015-02-18 | 天津大学 | Full-hydraulic drive open-type double-main-shaft numerical control underwater stitch welding equipment |
| CN104400211A (en) * | 2014-11-24 | 2015-03-11 | 首都航天机械公司 | Method and device for equivalent solid-phase repairing welding of tank friction stir welding defect |
| CN104400211B (en) * | 2014-11-24 | 2016-01-27 | 首都航天机械公司 | The method of the strong phase repair weldings such as a kind of tank friction stir welding defect and device |
| CN107803583B (en) * | 2016-09-09 | 2020-02-21 | 首都航天机械公司 | Drawing type inertia friction welding method and device |
| CN107803583A (en) * | 2016-09-09 | 2018-03-16 | 首都航天机械公司 | A kind of drawing type inertia friction weld method and device |
| CN107717208A (en) * | 2017-10-30 | 2018-02-23 | 北京建筑大学 | A kind of friction-stir welder for vehicle wallboard reparation |
| CN107717208B (en) * | 2017-10-30 | 2019-08-06 | 北京建筑大学 | A kind of friction-stir welder for vehicle wallboard reparation |
| CN109079310A (en) * | 2018-09-21 | 2018-12-25 | 中石油昆仑燃气有限公司 | One kind blocking combustion gas steel pipe repairing welding method with pressure based on agitating friction |
| CN109079310B (en) * | 2018-09-21 | 2020-12-15 | 中国石油天然气股份有限公司 | Steel gas pipeline hot repair welding method based on friction stir plugging |
| CN113695813A (en) * | 2021-11-01 | 2021-11-26 | 成都兴原再生资源股份有限公司 | Welding device for repairing surface defects of parts |
| CN113695813B (en) * | 2021-11-01 | 2022-02-22 | 成都兴原再生资源股份有限公司 | Welding device for repairing surface defects of parts |
| CN114682902A (en) * | 2022-04-07 | 2022-07-01 | 中南大学 | Friction repairing method |
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Application publication date: 20131204 |