CN108856986A - Small-bore pipeline carries on the back argon-filled protection system - Google Patents

Small-bore pipeline carries on the back argon-filled protection system Download PDF

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Publication number
CN108856986A
CN108856986A CN201810738036.8A CN201810738036A CN108856986A CN 108856986 A CN108856986 A CN 108856986A CN 201810738036 A CN201810738036 A CN 201810738036A CN 108856986 A CN108856986 A CN 108856986A
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CN
China
Prior art keywords
cable
cable bar
wheel
bar
row
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810738036.8A
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Chinese (zh)
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CN108856986B (en
Inventor
李春润
张田利
常亮
唐德渝
胡艳华
牛虎理
张建护
赵兵杰
刘剑
何亚章
杨华庆
刘明珠
申艳薇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum Group Engineering Technology Research Co Ltd
China National Petroleum Corp
CNPC Offshore Engineering Co Ltd
Original Assignee
China Petroleum Group Engineering Technology Research Co Ltd
China National Petroleum Corp
CNPC Offshore Engineering Co Ltd
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Application filed by China Petroleum Group Engineering Technology Research Co Ltd, China National Petroleum Corp, CNPC Offshore Engineering Co Ltd filed Critical China Petroleum Group Engineering Technology Research Co Ltd
Priority to CN201810738036.8A priority Critical patent/CN108856986B/en
Publication of CN108856986A publication Critical patent/CN108856986A/en
Application granted granted Critical
Publication of CN108856986B publication Critical patent/CN108856986B/en
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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
    • B23K9/16Arc welding or cutting making use of shielding gas
    • B23K9/167Arc welding or cutting making use of shielding gas and of a non-consumable electrode
    • 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
    • B23K9/32Accessories
    • 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
    • B23K9/32Accessories
    • B23K9/325Devices for supplying or evacuating shielding gas
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

The invention belongs to pipeline welding technology field, in particular to a kind of small-bore pipeline carries on the back argon-filled protection system.The system includes argon-filled protection device, bracket, flexible cable bar, push straightening mechanism and cable bar coiled body; the one ends wound of flexible cable bar is on the reel in cable bar coiled body; space of the other end of flexible cable bar across the first aligns wheel of the first resistance straightening unit and the second aligns wheel, around the groove in the third aligns wheel of recurvation unit, the space across the first aligns wheel of the second resistance straightening unit and the second aligns wheel, the other end of flexible cable bar is connected with argon-filled protection device.The express delivery that the present invention has mechanical automation degree high, simple and quick, improves the installation effectiveness of argon-filled protection device; and mitigate labor intensity of workers, and the position of easily adjustment argon-filled protection device, improve the accuracy of its installation; and then reach raising welding quality, and argon gas is avoided to waste.

Description

Small-bore pipeline carries on the back argon-filled protection system
Technical field
The invention belongs to pipeline welding technology field, in particular to a kind of small-bore pipeline carries on the back argon-filled protection system.
Background technique
Stainless steel or carbon steel-stainless steel compound pipeline complex pipeline circumferential weld dock TIG weld (Tungsten Inert Gas Welding, referred to as non-melt pole inert gas tungsten electrode protection weldering) when, partial sealing is carried out in weld bond Position Pipe and is filled with argon Gas shielded is to avoid stainless steel or carbon steel-stainless steel compound pipeline complex pipeline internal oxidation, guarantees main, the effective and warp of welding quality The method of Ji.
TIG weld is docked for the circumferential weld of big-and-middle aperture pipeline (internal diameter 150mm or more), can be used with electronic function of creeping The partial sealing device of energy creeps to realization partial sealing from weld bond from pipe end and carries out argon-filled protection.And for long length The circumferential weld of small-bore pipeline docks TIG weld, due to narrow space in pipeline, in site operation, mainly uses center to be with holes Steel pipe, steel pipe both ends with holes are equipped with round rubber closure plate, to form an easy partial sealing argon-filled protection device.The dress The application method set is:Above-mentioned plainly-packed set with long-chain is pushed into block at weld bond by artificial spreading rigidity stock;Or group butt welding First above-mentioned apparatus is placed in front of mouthful to have welded and is completed in pipe, pipeline section will be welded across next with argon gas tracheae with elastic wire (length 6-12m) is connect with plugging device, when weld bond group is located at weldering to two plugging plates for after the completion, pulling elastic wire to make device It at mouthful, realizes and blocks, after the completion of welding, long-chain or elastic wire is pulled to pull out device.
In the implementation of the present invention, it is found by the applicant that at least having the following disadvantages in the prior art:
In the prior art, using above-mentioned plugging device for small-bore pipeline argon-filled protection when, due to its installation process In be manually to be operated by stock or steel wire in slender pipeline, keep the adjustment of its installation site difficult, be also easy to produce installation not just, closing The situations such as not tight, and then the problems such as cause weld bond argon-filled protection bad, influence welding quality, and argon gas is caused to waste.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of small-bore pipelines to carry on the back argon-filled protection system, tool There is the position of mechanical automatically adjustment argon-filled protection device in the duct.
The technical scheme is that:
A kind of small-bore pipeline carries on the back argon-filled protection system, the system comprises argon-filled protection device, bracket, flexible cable bar, Push straightening mechanism and cable bar coiled body, wherein
The cable bar coiled body includes bottom plate, mandrel and reel:The bottom plate is fixedly installed on the bracket, institute It states mandrel to be vertically set on the bottom plate, the reel is rotatably mounted around on the mandrel;
The push straightening mechanism includes that grillage, aligning component, transmission component and cable bar driving assembly, the grillage are solid On the bracket, the aligning component includes the first resistance straightening unit successively far from the cable bar coiled body, anti-for fixed setting First resistance straightening unit and second resistance straightening unit is arranged in curved unit and the second resistance straightening unit, the recurvation unit On perpendicular bisector, first resistance straightening unit and second resistance straightening unit include the first aligns wheel and the second aligns wheel, described Be mounted on the grillage to first aligns wheel and the second aligns wheel opposed rotatable, the circumferential surface of first aligns wheel and Groove is all had on the circumferential surface of second aligns wheel, it is recessed on the groove and second aligns wheel in first aligns wheel Slot forms the space passed through for the flexible cable bar, and the recurvation unit includes third aligns wheel, the third aligns wheel It is installed in rotation on the grillage, matches on the circumferential surface of the third aligns wheel with one and the flexible cable bar Groove;The cable bar driving assembly is mounted on the grillage, and the output end of the cable bar driving assembly passes through the transmission group Part is connected with first resistance straightening unit with the first aligns wheel in second resistance straightening unit respectively;
The one ends wound of the flexible cable bar on the reel in the cable bar coiled body, the flexible cable bar it is another Hold space across the first aligns wheel of first resistance straightening unit and the second aligns wheel, around the of the recurvation unit Groove in three aligns wheels, the space across the first aligns wheel of second resistance straightening unit and the second aligns wheel, it is described The other end of flexible cable bar is connected with the argon-filled protection device.
Further, the cable bar driving assembly includes cable bar servo motor, and the cable bar servo motor is arranged described The bottom of grillage.
Further, the transmission component includes a driving wheel and two driven wheels, wherein
The output axis connection of the driving wheel and the cable bar servo motor;
Two driven wheels are oppositely arranged on the two sides of the driving wheel, two driven wheels pass through respectively belt and The driving wheel connection;
First aligns wheel of a driven wheel and first resistance straightening unit in two driven wheels shares one Second aligns wheel of a rotation axis, another described driven wheel and second resistance straightening unit in two driven wheels shares One rotation axis.
Further, the cable bar driving assembly further includes electromagnetic clutch, and the electromagnetic clutch is arranged described On the output shaft of cable bar servo motor, the driving wheel is operably electric with the cable bar servo by the electromagnetic clutch The output axis connection of machine.
Further, the cable bar coiled body further includes reel driving assembly, and the reel driving assembly includes reel Servo motor, transmission gear and cyclic annular rack gear, wherein
The reel servo motor is mounted on the bottom of the bottom plate;
The transmission gear is fixed on the output shaft of the reel servo motor;
The bottom of the reel is arranged in the ring-type rack gear, and the cyclic annular rack gear and the transmission gear are meshed.
Further, the cable bar coiled body further includes aligning row's cable assembly, and the aligning row cable assembly is arranged in institute It states between reel and the push straightening mechanism, the aligning row cable assembly includes row's cable retarder, cable support, row's cable servo electricity Machine, row's cable bar and the 4th aligns wheel, wherein
Row's cable retarder setting is on the bracket;
Row's cable servo motor is arranged on row's cable retarder, the output end of row's cable servo motor and described Arrange the input terminal connection of cable retarder;
The cable support is arranged on row's cable retarder;
Row's cable bar is installed in rotation on the cable support, and row's cable bar and row's cable retarder is defeated Outlet connection;
4th aligns wheel is sleeved on row's cable bar, with one and described on the circumferential surface of the 4th aligns wheel The groove that flexible cable bar matches.
Further, for the reel tool there are two opposite disk, the flexible cable bar is wrapped in two disks Between;
The aligning row cable assembly further includes two the first elastic damping blocks, one end of two the first elastic damping blocks It is fixed on the cable support, the other end of two the first elastic damping blocks, which all has, to match with the disk Arcwall face, the other end of two the first elastic damping blocks, which respectively corresponds, to be fitted on the circumferential surface of two disks.
Further, the cable bar coiled body further includes that cable bar holds down assembly, and the cable bar holds down assembly to be rectified with described In line cable assembly is oppositely arranged with the central axis of the reel, and the cable bar holds down assembly including clamping frame, clamping arm, stretches bullet Spring and contact roller, wherein
The clamping frame fixed setting is on the bracket;
There are two the clamping arm settings, and two clamping arms are oppositely arranged, and one end of two clamping arms can turn It is connected on the clamping frame dynamicly;
One end of the extension spring is connected on the clamping frame, and the other end of the extension spring is connected to any one On a clamping arm;
The contact roller is rotatably connected between the other end of two clamping arms, the contact roller and described soft Property cable bar rolling friction.
Further, for the reel tool there are two opposite disk, the flexible cable bar is wrapped in two disks Between;
It further includes two the second elastic damping blocks, one end of two the second elastic damping blocks that the cable bar, which holds down assembly, It is fixed on the clamping frame, the other end of two the second elastic damping blocks, which all has, to match with the disk Arcwall face, the other end of two the second elastic damping blocks, which respectively corresponds, to be fitted on the circumferential surface of two disks.
Preferably, the system also includes more than one cable bar support, the cable bar support is arranged at intervals on institute It states on flexible cable bar, the cable bar support includes top plate, elastic annular steel card and idler wheel, wherein
There are two the elastic annular steel card settings, and one end of two elastic annular steel cards is fixed at described On top plate, two elastic annular steel cards surround the through-hole passed through for the flexible cable bar, two elastic annulars External bending of the other end of steel card to the through-hole;
The idler wheel and the elastic annular steel card are arranged in a one-to-one correspondence, and the idler wheel is rotatably arranged in corresponding institute On the other end for stating elastic annular steel card.
Beneficial effects of the present invention include at least:
A kind of small-bore pipeline of the invention carries on the back argon-filled protection system, since reel is rotatably mounted around on mandrel, and On the reel in cable bar coiled body, the other end and argon-filled protection device of flexible cable bar connect the one ends wound of flexible cable bar It connects, therefore, control flexible cable bar is wound on reel, and movement of the argon-filled protection device in small-bore pipeline can be realized.
Since the output end of the cable bar driving assembly in push straightening mechanism is single with the first aligning respectively by transmission component Member is connected with the first aligns wheel in the second resistance straightening unit, i.e., cable bar driving assembly can drive the first resistance straightening unit and second to rectify The first aligns wheel rotation in straight unit, and then the movement of flexible cable bar is driven, realize that flexible cable bar is wound on reel, and Realize movement of the argon-filled protection device in small-bore pipeline, mechanical automation degree is high, and it is simple and quick, improve argon filling The installation effectiveness of protective device, and mitigate labor intensity of workers, and the position of easily adjustment argon-filled protection device, improve its installation Accuracy, and then reach raising welding quality, and argon gas is avoided to waste.
Since from flexible cable bar, when winding on reel, flexible cable bar has certain camber, and therefore, the present invention is provided with Component is aligned, since the recurvation unit in aligning component is arranged on the perpendicular bisector of the first resistance straightening unit and the second resistance straightening unit, After flexible cable bar passes sequentially through aligning component, will form one and arc that above-mentioned camber supports or opposes, thus to flexible cable bar into Row aligning, improves the smooth degree that argon-filled protection device is conveyed by flexible cable bar.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of small-bore pipeline weld bond argon-filled protection device of the embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of small-bore pipeline weld bond argon-filled protection device of the embodiment of the present invention;
Fig. 3 is the structural schematic diagram of the ring-shaped gasbag in present example;
Fig. 4 is the structural schematic diagram of compressed air tube assembly in the embodiment of the present invention;
Fig. 5 is the structural schematic diagram of roll wheel assembly in the embodiment of the present invention;
Fig. 6 is the structural schematic diagram of argon gas pipe support in the embodiment of the present invention;
Fig. 7 is the structural schematic diagram of apparatus for making a video recording in the embodiment of the present invention;
Fig. 8 is the structural schematic diagram of the small-bore pipeline back argon-filled protection system in the embodiment of the present invention;
Fig. 9 is the structural schematic diagram of cable bar coiled body in the embodiment of the present invention;
Figure 10 is the structural schematic diagram of cable bar coiled body in the embodiment of the present invention;
Figure 11 is the structural schematic diagram of aligning row's cable assembly of the embodiment of the present invention;
Figure 12 is the structural schematic diagram that cable bar holds down assembly in the embodiment of the present invention;
Figure 13 is the structural schematic diagram that straightening mechanism is pushed in the embodiment of the present invention;
Figure 14 is the structural schematic diagram of flexible cable bar in the embodiment of the present invention;
Figure 15 is the structural schematic diagram of the cable bar support in the embodiment of the present invention;
Figure 16 is the operation schematic diagram of the small-bore pipeline back argon-filled protection system in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
A kind of small-bore pipeline provided in an embodiment of the present invention carries on the back argon-filled protection system, protects primarily to realizing to argon filling Protection unit position adjustment in the duct and corresponding miscellaneous function and design, be based on this, the embodiment of the present invention is first to filling Argon protective device (small-bore pipeline weld bond argon-filled protection device i.e. hereinafter) is described.
Fig. 1 is a kind of structural schematic diagram of pipe welding port partial sealing argon-filling device of the embodiment of the present invention, referring to Fig. 1, The device includes central tube 1, the first ring-shaped gasbag 2, the second ring-shaped gasbag 9, the first roll wheel assembly, the second roll wheel assembly.
In conjunction with Fig. 1, the first roll wheel assembly of the embodiment of the present invention and the first ring-shaped gasbag 2 are one group, along the axis of central tube 1 To on the axial one end for the circumferential surface for being successively set on central tube 1 outside in;Second roll wheel assembly and the second ring-shaped gasbag 9 are another One group, along the axial other end of the axial direction circumferential surface that is successively set on central tube 1 outside in of central tube 1.
The first ring-shaped gasbag 2 and the second ring-shaped gasbag 9 of the embodiment of the present invention can inflation/deflation setting, and central tube 1 passes through First roll wheel assembly and the second roll wheel assembly 4 can move in pipeline along the axial of pipeline.
A kind of pipe welding port partial sealing argon-filling device of the embodiment of the present invention, due to two ring-shaped gasbags and two idler wheels On the circumferential surface of the centrally disposed pipe of component, and ring-shaped gasbag can inflation/deflation setting, and central tube by roll wheel assembly can be along pipeline Axial direction moved in pipeline, when device needs to be moved to weld bond in the duct, ring-shaped gasbag is deflated, operation center pipe, Central tube can be moved in inner wall of the pipe by roll wheel assembly, be caused so as to the remaining part in avoiding device to pipeline inside Phenomenon of book contamination, and moved in pipeline by then passing through roll wheel assembly, therefore, have the characteristics that frictional force is small, can be convenient The mobile adjustment of device;After device movement in place, ring-shaped gasbag is inflated, so that ring-shaped gasbag is close to inner wall of the pipe, consolidates device It is fixed, to carry out partial sealing to pipe welding port and be filled with the follow-up works such as argon gas protection.
Fig. 2 is a kind of structural schematic diagram of pipe welding port partial sealing argon-filling device of the embodiment of the present invention, in conjunction with Fig. 1 and Fig. 2, device shown in the embodiment of the present invention can also include four annular convex platform 6, and every two annular convex platform 6 is one group, two groups Annular convex platform 6 is separately positioned in the axial ends of the circumferential surface of central tube 1, and two in every group annular convex platform 6 forms a gas Capsule places area, and the first ring-shaped gasbag 2 and the second ring-shaped gasbag 9 are respectively fixedly disposed at two air bags and place in area.
In conjunction with Fig. 2, in the embodiment of the present invention, multiple central axises around annular convex platform 6 are provided on each annular convex platform 6 The air bag installing blind 61 of equiangularly spaced setting, and retainer ring blind hole there are two being also set up on the annular convex platform 6 in outside 62。
The first ring-shaped gasbag 2, the second ring-shaped gasbag 9 of the embodiment of the present invention all can be use elastic heat abrasive rubber The flat annulus shape air bag of production, Fig. 3 are the structural schematic diagram of the ring-shaped gasbag in present example, and in conjunction with Fig. 3, the present invention is real It applies in example, the first ring-shaped gasbag 2 and the second ring-shaped gasbag 9 can be set more than one along the axial sides of central tube 1 Flexible fastening item 7, and the first ring-shaped gasbag 2 and the second ring-shaped gasbag 9 along central tube 1 axial direction and opposite side be provided with One Valve for aerocyst 11.
In conjunction with Fig. 1, in the embodiment of the present invention, flexible fastening item 7 passes through the cooperation of bolt and air bag installing blind 61, fixed It is mounted on annular convex platform 6, and is set with a retainer ring 10 on Valve for aerocyst 11, the both ends of retainer ring 10 pass through bolt and two retainer rings With the cooperation of blind hole 62, it is fixedly mounted on annular convex platform 6.
In the embodiment of the present invention, multiple flexible fastening items 7 can around the equiangularly spaced setting of central axis of ring-shaped gasbag, with Guarantee patient's air bag uniform force, improves sealing effect.And retainer ring 10 can limit the position of Valve for aerocyst, prevent ring-shaped gasbag from filling When gas, Valve for aerocyst will not generate loss to inner wall of the pipe.
In conjunction with Fig. 1, the embodiment of the invention also includes compressed air tube assemblies 5.Fig. 4 is compressed air in the embodiment of the present invention The structural schematic diagram of tube assembly, in conjunction with Fig. 4, in the embodiment of the present invention, compressed air tube assembly 5 may include air inlet pipe 51 and two A air bag connecting tube 52 being correspondingly arranged with Valve for aerocyst,
In conjunction with Fig. 1 and Fig. 4, in the embodiment of the present invention, outside axial one end of the centrally disposed pipe 1 in one end of air inlet pipe 51 The other end of side, air inlet pipe 51 is extend into central tube, and one end of two air bag connecting tubes 52 is and the other end of air inlet pipe 51 Connection.
Further, in conjunction with Fig. 4, the compressed air tube assembly 5 of the embodiment of the present invention can also include threeway 53, threeway 53 It is exported with an entrance and two, the entrance of threeway 53 is connected on the other end of air inlet pipe 51, two outlets of threeway 53 Be connected on one end of two air bag connecting tubes 52, with realize two air bag connecting tubes 52 one end and air inlet pipe 51 it is another One end is connected.
In the embodiment of the present invention, air bag connecting tube 52 and air inlet pipe 51 in compressed air component 5 can be soft materials.
In conjunction with Fig. 1 and Fig. 4, in the embodiment of the present invention, on the circumferential surface side wall of central tube 1 setting there are two and air bag connecting tube 52 corresponding first kidney slots 101, the length direction of the first kidney slot 101 are parallel to the axial setting of central tube 1, air bag connection The other end of pipe 52 passes through corresponding first kidney slot 101, and 11 phase of the other end of air bag connecting tube 52 and corresponding Valve for aerocyst Connection.
After the compressed air tube assembly 5 of the embodiment of the present invention assembles, the inflation/deflation of ring-shaped gasbag can be realized by it Work.
In conjunction with Fig. 2, in the embodiment of the present invention, central tube 1 is for installing the first roll wheel assembly and the first roll wheel assembly On circumferential surface, more than one second kidney slot 102, the length of the second kidney slot 102 are angularly provided with along the axial direction of central tube 1 It is oriented parallel to the axial setting of central tube 1.
In conjunction with Fig. 2, in the embodiment of the present invention, the first kidney slot 101 be can be set in two adjacent the second kidney slots 102 Between.
Fig. 5 is the structural schematic diagram of roll wheel assembly in the embodiment of the present invention, in conjunction with Fig. 5, the first rolling of the embodiment of the present invention Wheel assembly and the first roll wheel assembly include idler wheel 31, arc fixed block 32 and attachment screw 33.
In conjunction with Fig. 1, Fig. 2 and Fig. 5,102 1 a pair of idler wheel 31, attachment screw 33 and the second kidney slot of the embodiment of the present invention It should be arranged, idler wheel 102 is rotatably mounted around on corresponding attachment screw 33, and idler wheel 31, which rolls, to be arranged in corresponding second kidney-shaped In slot 102.
In conjunction with Fig. 1 and Fig. 5, the arc fixed block 32 of the embodiment of the present invention can be set multiple, and arc fixed block 32 is solid Dingan County is in corresponding second kidney slot 102, central axis equiangularly spaced setting of the multiple arcs fixed block 32 around central tube 1 On the circumferential surface of central tube 1, two adjacent arc fixed blocks 32 are connected by an attachment screw 33, multiple arcs fixed block 32 surround one and the coaxial ring-type of central tube 1, and the outer diameter of cricoid internal diameter and central tube 1 is consistent.
In conjunction with Fig. 1, in the embodiment of the present invention, fixed block connection screw thread is provided on the side wall of each second kidney slot 102 Hole 106 in conjunction with Fig. 5, and can be set on the circumferential surface of arc fixed block 32 and consolidate with what fixed block connection screw thread hole 106 matched Determine block connection heavy logical 36, arc fixed block 32 is fixedly mounted in corresponding second kidney slot by bolt.
Specifically, in conjunction with Fig. 5, in the embodiment of the present invention, two faces of two adjacent mutual directions of arc fixed block can To be respectively arranged with the heavy through-hole 35 of a connection through-hole 34 and a connection, nut one end setting of attachment screw 33 is even It connects in heavy through-hole 35, the head of attachment screw 33 enters in connection through-hole 34, that is, realizes that two adjacent arcs are fixed The connection of block.
When needing mobile device in the duct, idler wheel can roll in inner wall of the pipe, can be with due to force of rolling friction Reduce the moving resistance of device, mobile adjustment conveniently is carried out to device.
In conjunction with Fig. 1, the device of the embodiment of the present invention can also include argon gas pipe support 4, and Fig. 6 is argon gas in the embodiment of the present invention The structural schematic diagram of pipe support, in conjunction with Fig. 6, the argon gas pipe support 4 of the embodiment of the present invention includes argon gas inlet pipe 41 and argon gas outlet pipe 42.
In conjunction with Fig. 6, one end of the argon gas inlet pipe 41 of the embodiment of the present invention is provided with suction nozzle 43, argon gas inlet pipe 41 it is another End seal is closed, and there are two the settings of argon gas outlet pipe 42, and two 42 perpendicular separations of argon gas outlet pipe are arranged on the circumferential surface of argon gas inlet pipe 41, and Two argon gas outlet pipes 42 are communicated with argon gas inlet pipe 41.
In conjunction with Fig. 1, Fig. 2 and Fig. 6, in the embodiment of the present invention, one end of argon gas inlet pipe 41 is located at axial one end of central tube 1 Outside, the other end of argon gas inlet pipe 41 penetrate into central tube 1, and on the circumferential surface side wall of central tube 1 setting there are two respectively and The effective through-hole 103 of the corresponding argon gas of argon gas outlet pipe 42, the effective through-hole 103 of the corresponding argon gas of 42 hermetically passing of argon gas outlet pipe.
Further, in conjunction with Fig. 2, the effective through-hole setting of two argon gas is in two the first ring-shaped gasbags 2 and the second cyclic annular gas Between capsule 9, it can be filled with argon gas to the sealing space being made of two ring-shaped gasbags 9, central tube 1 and pipeline in this way, to carry out Argon gas protection when welding.
In the embodiment of the present invention, argon gas inlet pipe 41 and argon gas outlet pipe 42 can be hard material.
In conjunction with Fig. 2, the embodiment of the present invention is additionally provided with one or more vent valve peace on the circumferential surface of middle spool 2 Hole 104 is filled, which is located between two ring-shaped gasbags.In conjunction with Fig. 1, installed in the vent valve mounting hole 104 There is vent valve 105, when the argon pressure in sealing space is more than specified value, argon gas will be discharged by 105 pressure release of vent valve.
In conjunction with Fig. 1, in the embodiment of the present invention, image pick-up device 8 has been can be set in axial one end of central tube, and Fig. 7 is the present invention The structural schematic diagram of image pick-up device in embodiment, referring to Fig. 1 and Fig. 7, the model of the image pick-up device 8 can be JASYB02-46, head The camera 81 in portion it is axial can 360 ° of rotations, level can be greater than 180 ° of rotations, and the high-resolution colour picture with 480 lines senses The industry camera for having clear hard cylindrical shroud of device, high-brightness LED lighting source and automatic focusing function, and its tail portion There is 1 high temperature resistant multicore camera input/output control cable 82, camera input/output control cable 82 is pierced by center Pipe 1, tail end installation camera shooting cable connector 83, for controlling camera, and receives video image captured by camera.
Certainly, the model of image pick-up device 8 may be other other models for being able to achieve above-mentioned function, the embodiment of the present invention pair This is with no restriction.
In conclusion the weld bond partial sealing argon-filling device with camera can be achieved in pipeline (especially internal diameter in the present invention Pipeline not less than 60mm) in steady lower resistance and fast moved without what is be stained, to guarantee that the realization of its mechanization installation is created Condition;Partial sealing is tight, positioning stablity, reduces argon gas loss, improves weld bond argon-filled protection effect;It is set by front end 360 ° of rotary takings of the camera set, can be obtained the clear image on the full inside weld surface of weld bond, meet visual observation inspection It is required that.
For above-mentioned small-bore pipeline weld bond argon-filled protection device, the embodiment of the present invention devises a kind of small-bore pipeline back Argon-filled protection system, Fig. 8 is the structural schematic diagram of the small-bore pipeline back argon-filled protection system in the embodiment of the present invention, referring to figure 8, which includes above-mentioned argon-filled protection device, bracket 12, flexible cable bar 13, push straightening mechanism 14 and cable bar coiled body 15。
In conjunction with Fig. 8, the bracket 12 in the embodiment of the present invention has function of regulating height thereof, with consistent with the height of pipeline, Its implementation can be:Adjustment oil cylinder is provided at the bottom corners of bracket 12, the collapsing length of control adjustment oil cylinder reaches To the purpose of adjustment 12 height of bracket.
Fig. 9 and Figure 10 is the structural schematic diagram of cable bar coiled body in the embodiment of the present invention, in conjunction with Fig. 9 and Figure 10, this hair Cable bar coiled body in bright embodiment includes bottom plate 151, mandrel 152, reel 153, reel driving assembly, aligning row's cable assembly And cable bar holds down assembly.
In conjunction with Fig. 8, Fig. 9 and Figure 10, in the embodiment of the present invention, bottom plate 1501 is fixed on bracket, and in level State, mandrel 1502 are vertically set on bottom plate 1501, and reel 1503 is rotatably mounted around on mandrel 1502, and flexible cable bar 13 one ends wound, by reel 1503 around the rotation of mandrel 1502, can drive the receipts of flexible cable bar 13 in reel 1503 Volume.
The tool of reel 1503 of the embodiment of the present invention passes through between the middle part of two opposite disks there are two opposite disk One connecting shaft links into an integrated entity, and flexible cable bar 13 is wrapped in the connecting shaft between two disks.
In conjunction with Figure 10, in the embodiment of the present invention, reel driving assembly may include reel servo motor 1504, transmission gear 1505 and cyclic annular rack gear 1506, wherein reel servo motor 1504 is mounted on the bottom of bottom plate 1501, with reasonable Arrangement space, And transmission gear 1505 is fixed on the output shaft of reel servo motor 1501, and cyclic annular rack gear 1506 is arranged in reel 1503 bottom, and cyclic annular rack gear 1506 and transmission gear 1505 are meshed, reel servo motor 1504 starts, output shaft band Nutating gear 1505 rotates, and then the driving rack 1506 engaged is driven to rotate, that is, has reached reel 1503 around mandrel The purpose of 1502 rotations winds so as to take flexible cable bar 13 to.
In the embodiment of the present invention, it can be carved in the bottom of reel 1503 and set a loop grinding tooth, to form cyclic annular rack gear 1506.It is of course also possible to which a cyclic annular rack gear 1506 to be directly welded to the bottom of reel 1503.
Figure 11 is the structural schematic diagram of aligning row's cable assembly of the embodiment of the present invention, and in conjunction with Fig. 8-Figure 11, the present invention is implemented In example, which arranges cable assembly setting between reel 1503 and push straightening mechanism 14, and the row's of aligning cable assembly includes row's cable Retarder 1507, cable support 1508, row's cable servo motor 1509, row's cable bar 1510 and the 4th aligns wheel 1511.
In conjunction with Fig. 8-Figure 11, row's cable retarder 1507 in the embodiment of the present invention is fixed on bracket 12, and row's cable is watched The setting of motor 1509 is taken on row's cable retarder 1507, arrange the output end of cable servo motor 1509 and arranges the defeated of cable retarder 1507 Enter end connection, in this way, the power of cable servo motor 1509 can will be arranged, is exported after arranging 1507 speed limit of cable retarder.
In conjunction with Figure 11, the setting of cable support 1508 of the embodiment of the present invention arranges cable bar 1510 on row's cable retarder 1507 It is installed in rotation on cable support 1508, and the output end for arranging cable bar 1510 and row's cable retarder 1507 connects, it in this way can be with Output shaft synchronous rotation of the driving row's cable bar 1510 with row's cable retarder 1507.
In conjunction with Fig. 8-Figure 11, on 1511 row's of being sleeved on cable bar 1510 of the 4th aligns wheel of the embodiment of the present invention, the 4th aligning Wheel 1511 can be rotated synchronously with row's cable bar 1510, can be with flexible cable bar 13 with one on the circumferential surface of the 4th aligns wheel 1511 The groove to match, during flexible cable bar 13 is wound, flexible cable bar 13 can generate friction with the 4th aligns wheel 1511 Power improves the stability that flexible cable bar 13 is wound to reduce the rolling speed of flexible cable bar 13.
In conjunction with Fig. 8-Figure 11, aligning row's cable assembly of the embodiment of the present invention further includes two the first elastic damping blocks 1512, One end of two the first elastic damping blocks 1512 is fixed on cable support 1508, two the first elastic damping blocks 1512 it is another One end all has the arcwall face to match with disk, and the other end of two the first elastic damping blocks 1512, which respectively corresponds, is fitted in two On the circumferential surface of a disk, when reel 1503 rotates, two disks can generate friction with two the first elastic damping blocks 1512, To limit the revolving speed of reel 1503, the stability that flexible cable bar 13 is wound is improved.
Further, in conjunction with Figure 11, the cable support 1508 in the embodiment of the present invention may include the upper plate being oppositely arranged And lower plate, lower plate are fixed on row's cable retarder 1507, and by solid between upper plate and the same end of lower plate Fixed pole links into an integrated entity, and arranges cable bar 1510 and be rotatably arranged between upper plate and the other end of lower plate, in this way, the 4th Aligns wheel 1511 can form a space passed through only for flexible cable bar 13 with fixed link, to lead to flexible cable bar 13 To;And two the first elastic damping blocks 1512 can be respectively and fixedly installed on the other end of upper plate and lower plate.
Figure 12 is the structural schematic diagram that cable bar holds down assembly in the embodiment of the present invention, in conjunction with Fig. 8, Fig. 9, Figure 10 and figure 12, the cable bar of the embodiment of the present invention holds down assembly and the row's of aligning cable assembly can be oppositely arranged with the central axis of reel 1503, cable Bar holds down assembly including clamping frame 1513, clamping arm 1514, extension spring 1515 and contact roller 1516.
In conjunction with Fig. 8, Fig. 9, Figure 10 and Figure 12, the clamping frame 1513 of the embodiment of the present invention is fixed on bracket 12, And there are two the settings of clamping arm 1514, two clamping arms 1514 are oppositely arranged, and one end of two clamping arms 1514 rotationally connects It connects on clamping frame 1513, one end of extension spring 1515 is connected on clamping frame 1513, and the other end of extension spring 1515 connects It connects on any one clamping arm 1514;And contact roller 1516 be rotatably connected to two clamping arms 1514 the other end it Between, 13 rolling friction of contact roller 1516 and flexible cable bar.During flexible cable bar 13 is wound, flexible cable bar 13 can be pressed Bearing up pulley 1516 is withstood, and generates friction therebetween, thus can not only reduce the rolling speed of flexible cable bar 13, is improved flexible The stability that cable bar 13 is wound, can also limit the winding direction of flexible cable bar 13, be oriented to the winding of flexible cable bar 13.
In conjunction with Fig. 8, Fig. 9, Figure 10 and Figure 12, it can also include two second that the cable bar of the embodiment of the present invention, which holds down assembly, One end of elastic damping block 1517, two the second elastic damping blocks 1517 is fixed on clamping frame 1513, two the second bullets The other end of property damping block 1517 all has the arcwall face to match with disk, the other end of two the second elastic damping blocks 1517 It respectively corresponds and is fitted on the circumferential surface of two disks, when reel 1503 rotates, two disks can be with two first elasticity resistances Buddhist nun's block 1512 generates friction, to limit the revolving speed of reel 1503, improves the stability that flexible cable bar 13 is wound.
In conjunction with Figure 12, in the embodiment of the present invention, clamping frame 1513 also may include the upper plate and lower plate being oppositely arranged, Lower plate is fixed on bracket 12, and is linked into an integrated entity between upper plate and the same end of lower plate also by fixed link, And a compression arm axle is rotationally set in fixed link, one end of two clamping arms 1514 is fixedly connected on the compression On arm axle, to realize being rotatably connected for clamping arm and clamping frame;And it can pass through between upper plate and the other end of lower plate Another fixed link links into an integrated entity, and one end of extension spring 1515 is mounted in another fixed link.The two of the embodiment of the present invention A second elastic damping block 1517 can be respectively and fixedly installed on the other end of upper plate and lower plate.
In conjunction with Figure 12, in the embodiment of the present invention, the other end of extension spring 1515 can be fixed in a connecting rod, should Connecting rod can be fixedly installed on a underlying clamping arm 1514.
In conjunction with Fig. 9, the top of the mandrel 152 of the embodiment of the present invention can determine with pneumoelectric mixing rotary joint 1518 Son connection, and the cable connector and gas-tpe fitting of the rotor portion of the pneumoelectric mixing rotary joint 1518 be fixed on reel 1503 On 13 tail end of flexible cable bar cable connector and tracheae connection.
Figure 13 is the structural schematic diagram that straightening mechanism is pushed in the embodiment of the present invention, referring to Figure 13, the embodiment of the present invention Pushing straightening mechanism 14 includes grillage 141, aligning component 142, transmission component 143 and cable bar driving assembly 144.
In conjunction with Fig. 8 and Figure 13, the grillage 141 of the embodiment of the present invention is fixed on bracket 12, and is in horizontality.
In conjunction with Fig. 8 and Figure 13, the aligning component 142 of the embodiment of the present invention include successively far from cable bar coiled body 15 the One resistance straightening unit, recurvation unit and the second resistance straightening unit, recurvation unit are arranged in the first resistance straightening unit and the second resistance straightening unit Perpendicular bisector on, the first resistance straightening unit and the second resistance straightening unit include the first aligns wheel 1421 and the second aligns wheel 1422, It is mounted on grillage 141 to 1422 opposed rotatable of one aligns wheel 1421 and the second aligns wheel, the circumferential surface of the first aligns wheel 1421 With groove is all had on the circumferential surface of the second aligns wheel 1422, the groove on groove and the second aligns wheel in the first aligns wheel 1421 A space passed through for flexible cable bar 13 is formed, recurvation unit includes third aligns wheel 1423, and third aligns wheel 1423 can turn It is mounted on grillage 141 dynamicly, the groove to match on the circumferential surface of third aligns wheel 1423 with one and flexible cable bar 13;Cable Bar driving assembly 144 is mounted on grillage 1141, and the output end of cable bar driving assembly 144 is by transmission component 143 respectively with the The first aligns wheel 1421 in one resistance straightening unit and the second resistance straightening unit is connected.
In conjunction with Fig. 8, in the embodiment of the present invention, reel of the one ends wound of flexible cable bar 13 in cable bar coiled body 15 On 1503, the other end of flexible cable bar 13 is across the first aligns wheel 1421 of the first resistance straightening unit and the second aligns wheel 1422 Space, around in the third aligns wheel 1423 of recurvation unit groove, across the first aligns wheel 1421 of the second resistance straightening unit And the second space between aligns wheel 1422, the other end of flexible cable bar 13 are connected with above-mentioned argon-filled protection device.
In conjunction with Fig. 8 and Figure 13, in the embodiment of the present invention, cable bar driving assembly 144 includes cable bar servo motor 1441, cable bar The bottom of grillage 141 is arranged in servo motor 1441.
In conjunction with Fig. 8 and Figure 13, in the embodiment of the present invention, transmission component 143 includes that a driving wheel 1431 and two are driven Wheel 1432, wherein the output axis connection of driving wheel 1431 and cable bar servo motor 1441 starts cable bar servo motor 1441, can To drive driving wheel 1431 to rotate.
In conjunction with Fig. 8 and Figure 13, two driven wheels 1432 of the embodiment of the present invention are oppositely arranged on the two sides of driving wheel 1431, Two driven wheels 1432 are connected by belt and driving wheel 1431 respectively, in the case where driving wheel 1431 rotates, can be driven Two driven wheels 1432 rotate.
In conjunction with Fig. 8 and Figure 13, in the embodiment of the present invention, a driven wheel 1432 and first in two driven wheels 1432 are rectified First aligns wheel 1421 of straight unit shares a rotation axis, another driven wheel 1432 and second in two driven wheels 1432 Second aligns wheel 1433 of resistance straightening unit shares a rotation axis, in the case where two driven wheels rotate, can drive first First aligns wheel 1421 of resistance straightening unit and the rotation of the second aligns wheel 1433 of the second resistance straightening unit, so as to by flexible cable Bar 13 conveys.
In the embodiment of the present invention, by flexible cable bar 13 to the direction of pipeline conveying can only by push straightening mechanism 14 into Row, push straightening mechanism 14 and reel driving assembly 15 can also be cooperated progress;And flexible cable bar 13 is returned from pipeline When winding, can only be carried out by reel driving assembly 15, to avoid asynchronous because of driving caused by winding is unsmooth shows As occurring, it is based on this, in conjunction with Fig. 8 and Figure 13, in the embodiment of the present invention, cable bar driving assembly 144 can also include electromagnetic clutch Device 1442, electromagnetic clutch 1442 are arranged on the output shaft of cable bar servo motor 144, and driving wheel 1431 passes through electromagnetic clutch 1442 operably output axis connections with cable bar servo motor 1441, when flexible cable bar 13 is conveyed to the direction of pipeline, Electromagnetic clutch 1442 can be powered, the output of cable bar servo motor 144 is transferred on driving wheel 1431, flexible cable is worked as When bar 13 recycles winding from pipeline, electromagnetic clutch 1442 can be powered off, to make the output of cable bar servo motor 144 not It can be transferred on driving wheel 1431, flexible cable bar 13 is only thus recycled by reel driving assembly 15 by winding from pipeline.
Figure 14 is the structural schematic diagram of flexible cable bar in the embodiment of the present invention, flexible in the embodiment of the present invention in conjunction with Figure 14 Cable bar 13 includes cable pipe 1301, cable pipe fitting 1302, tracheae cable tube bank 1303 and tube bank holding block 1304.
In conjunction with Fig. 8 and Figure 14, the cable pipe 1301 of the embodiment of the present invention including bourdon tube and is wrapped in bourdon tube periphery Wear-resistance protective sleeve, bourdon tube has medium stiffening property, and wear-resistance protective sleeve has elasticity, not only can be carried out winding, to reduce occupied space, The abrasion of bourdon tube can also be reduced.
In conjunction with Fig. 8 and Figure 14, there are two the settings of cable pipe fitting 1302 in the embodiment of the present invention, two cable pipe fittings 1302 It is respectively and fixedly installed to 1301 axial ends of cable pipe, tracheae cable tube bank 1303 is threaded through in cable pipe fitting 1302.
In conjunction with Fig. 8 and Figure 14, in the embodiment of the present invention, there are two tube bank holding block 1304 is also provided with, two tube banks fixings Block 1304 is respectively and fixedly installed to two 1302 inner ends of cable pipe fitting, for clamping tracheae cable tube bank 1303.
In conjunction with Fig. 8 and Figure 14, the system of the embodiment of the present invention can also include more than one cable bar support 16, Figure 15 For the structural schematic diagram of the cable bar support in the embodiment of the present invention, in conjunction with Figure 15, which is arranged at intervals on soft On property cable bar 13, which may include top plate 1601, elastic annular steel card 1602 and idler wheel 1603, wherein There are two the settings of elastic annular steel card 1602, and one end of two elastic annular steel cards 1602 is fixed on top plate 1601, Two elastic annular steel cards 1602 surround the through-hole passed through for flexible cable bar 13, two elastic annular steel cards 1602 it is another The external bending to through-hole is held, idler wheel 1603 and elastic annular steel card 1602 are arranged in a one-to-one correspondence, and idler wheel 1603 is rotationally set It sets on the other end of corresponding elastic annular steel card 1602.
In the embodiment of the present invention, cable bar support 16 be flexible cable bar 13 start be pushed into pipeline when, at spacing intervals, It is stuck on cable pipe 1301, when flexible cable bar 13 is pulled out from pipeline, cable bar support 16 is drawn out after nozzle from cable pipe 13011 On remove.
The effect of the cable bar support 16 of the embodiment of the present invention is:It can guarantee that flexible cable bar 13 is in the shape of a collimation State enters in pipeline, in addition, when running in the duct, idler wheel 1603 and inner wall of the pipe are one since it is with idler wheel 1603 The relationship of kind rolling friction runs flexible cable bar more smoothly in the duct so as to reduce frictional force, and is running In, due to there was only idler wheel 1603 and inner wall of the pipe contact, so as to reduce the abrasion pollution to pipeline, to improve inner wall of the pipe Cleannes.
Since the ring-shaped gasbag in the argon-filled protection device of the embodiment of the present invention needs inflation/deflation to be arranged, in conjunction with figure 8, the embodiment of the present invention is also provided with air on bracket 12 and lashes mechanism 20, which lashes mechanism 20 can be for using miniature It lashes single interface air that air pump and solenoid directional control valve are constituted and takes out/inflate source, to improve inflation/deflation operation for ring-shaped gasbag.
Since the ring-shaped gasbag in the argon-filled protection device of the embodiment of the present invention needs applying argon gas, in conjunction with Fig. 8, originally Inventive embodiments are also provided with argon gas source 19 on bracket 12.
In conjunction with Fig. 8, in the embodiment of the present invention, the tail end in argon-filled protection device can pass through cable bar connection frame 17 and flexible Cable bar 13 connects, the tracheae and cable of the tracheae cable tube bank 1303 in flexible cable bar 13 respectively with 1 tail end of argon-filled protection device Argon gas interface, air interface connected with camera cable interface, connector is horizontally-arranged to be fixed in cable bar connection frame 2;Flexible cable After bar 13 successively installed cable bar push straightening mechanism 14 and aligning row's cable assembly, it is coiled on reel 1503, flexible cable bar 13 Tail end is fixed in the cable bar fixing pipe of reel 1503.
In conjunction with Fig. 8, in the embodiment of the present invention, it is also provided with electric-controlled case 17 on bracket 12 and display control is whole End 18, cable bar driving servo motor, electromagnetic clutch, reel servo motor, row's cable servo motor pass through cable and electrical respectively It controls case 17 to connect, is acted by each electric component of 17 coordinated control of electric-controlled case, cable bar is made to push straightening mechanism 14, cable bar curler 15 coordination operation of structure, that realizes flexible cable bar 13 stablizes push and pull-out;Air lashes mechanism 20 and argon gas source 19 passes through respectively Cable or tracheae are connect with electric-controlled case 9, to realize the on-off and pressure control of gas source;And display control terminal 10 passes through 1 Cable is connect with electric-controlled case 9, and the camera umbilical and air of 9 output end of electric-controlled case lash mechanism 20 and argon gas source 19 gas outlet tube is connected on the cable connector and gas-tpe fitting of the stationary part of pneumoelectric mixing rotary joint 1518.
Figure 16 is the operation schematic diagram that small-bore pipeline in the embodiment of the present invention carries on the back argon-filled protection system, in conjunction with Figure 16, Briefly explain the installation process and working principle of the protection system:
The installation of argon-filled protection device is located in one end of the tube group butt welding bracket 21 of Prefabrication equipment, it is 2 small The installation of bore stainless steel tube 22 is positioned on the tube group butt welding bracket 21 of Prefabrication equipment;
Before starting continuous production, 12 height of bracket is adjusted according to pipe diameter, makes the axis of the horizontal flexible cable bar 13 pushed Line and small-bore 22 almost coaxial of stainless steel tube;
According to the pipe range of single small-bore stainless steel tube 22, the push of flexible cable bar 13 is set with display control terminal 18 and is returned The parameters such as the length and speed of volume;
In 2 small-bore stainless steel tubes 22 after the completion of group is to tack welding on tube group butt welding bracket 20, controlled with display The system is set manual push mode by terminal 18 processed, clicks push start key, and electric-controlled case 17 controls cable bar push aligning Mechanism 14 and cable bar coiled body 15 work by manual push products synchronous coordination, push flexible cable bar 13 forward, and will fill Argon protective device is pushed in small-bore 22 pipe port of stainless steel tube, and operator's support helps argon-filled protection device, by its steady feeding Small-bore stainless steel tube 22, until the cable pipe fitting of the front end of flexible cable bar 13 is completely into after in pipe, by display control terminal Push stop key on 18, flexible cable bar 13 stop push;
Automatic push mode is set by the protection system with display control terminal 18, clicks push start key, electric-controlled Case 17 controls cable bar push straightening mechanism 14 and cable bar coiled body 15 presses the co-ordination of automatic push Program Synchronization, makes flexible cable Bar 13 is continuously advanced toward, and keeps argon-filled protection device mobile to the weld bond direction between 2 small-bore stainless steel tubes 22;
During flexible cable bar 13 is pushed, every 1 meter, in the plugging device bracket front end external position of bracket 12, by 1 A cable bar support is stuck on flexible cable bar 13, is allowed to enter in small-bore stainless steel tube 22 together with flexible cable bar 13;
During automatic push, there are abnormal conditions, it can be at any time by the push stop key on display control terminal 18, warp After adjustment is normal, continue automatic push program;
When the practical calculating of flexible cable bar 13, which is pushed into length in steel pipe, reaches the flexible cable bar push length of setting, cable bar Push straightening mechanism 14 and cable bar coiled body 15 stop working, and flexible cable bar 13 stops push, the weld bond between stainless steel tube 22 Generally within the middle position of argon-filled protection device, argon-filled protection device has been pushed in place;
Started with display control terminal 10 and block argon filling operating mode, electric-controlled case 17 controls air and lashes the starting of mechanism 20 Work, is filled with air to ring-shaped gasbag, after positioning it and blocking the neighbouring pipeline section of weld bond, argon gas source 19 is then turned on, to envelope Be filled with argon gas in plugging section, when detection block pipeline section in oxygen content be down to reach welding requirements when, air lashes mechanism 20 and argon Gas source 19 keeps working condition, starts weld bond welding;
Weld bond welding after the completion of, reverse operation, complete argon-filled protection device recycling, recovery principle with it is above-mentioned similar, The embodiment of the present invention to this with no restriction.
Show that small-bore pipeline shown in the present invention carries on the back argon-filled protection system through practical application, realizes long length osculum The mechanization installation of partial sealing argon-filling device, can reduce 50% or more installation work-hour, improve installation in diameter pipe welding port pipe Efficiency;Installation operation has been standardized, manually installed randomness and unstability are reduced, has made partial sealing argon-filling device that matter to be installed Amount is improved, and be substantially avoided installation operation and is stained to inner wall of the pipe;Construction personnel need to only carry out simply assisting installation Construction personnel's labor intensity is substantially alleviated with control operation;It is integrated with interior welding bead visual inspection function, is able to carry out inside weld Molding and the observation of defect and burning situation and inspection, examine the merging of 2 procedures to be continuously finished pipeline welding and inside weld, by phase Answering reduces 80% or more the time required to Welding Testing, improves pipeline Welding Testing integrated construction efficiency.
Embodiment provided above is better embodiment of the invention, only is used to facilitate to illustrate the present invention, not to this hair It is bright to make any form of restriction, have usually intellectual in any technical field, if not departing from the proposed skill of the present invention In the range of art feature, using the equivalent embodiment for locally changing or modifying made by disclosed technology contents, and Without departing from technical feature content of the invention, in the range of still falling within the technology of the present invention feature.

Claims (10)

1. a kind of small-bore pipeline carries on the back argon-filled protection system, which is characterized in that the system comprises argon-filled protection device, bracket, Flexible cable bar, push straightening mechanism and cable bar coiled body, wherein
The cable bar coiled body includes bottom plate, mandrel and reel:The bottom plate is fixedly installed on the bracket, the core Axis is vertically set on the bottom plate, and the reel is rotatably mounted around on the mandrel;
The push straightening mechanism includes grillage, aligning component, transmission component and cable bar driving assembly, and the grillage fixation is set It sets on the bracket, the aligning component includes the first resistance straightening unit, the recurvation list successively far from the cable bar coiled body Member and the second resistance straightening unit, the recurvation unit, which is arranged in first resistance straightening unit and second resistance straightening unit, to hang down On line, first resistance straightening unit and second resistance straightening unit include the first aligns wheel and the second aligns wheel, and described first It is mounted on the grillage to aligns wheel and the second aligns wheel opposed rotatable, the circumferential surface of first aligns wheel and described Groove is all had on the circumferential surface of second aligns wheel, the groove type on groove and second aligns wheel in first aligns wheel The space passed through at one for the flexible cable bar, the recurvation unit includes third aligns wheel, and the third aligns wheel can turn It is mounted on the grillage dynamicly, there is one and the flexible cable bar to match recessed on the circumferential surface of the third aligns wheel Slot;The cable bar driving assembly is mounted on the grillage, and the output end of the cable bar driving assembly passes through the transmission component It is connected respectively with first resistance straightening unit with the first aligns wheel in second resistance straightening unit;
The one ends wound of the flexible cable bar on the reel in the cable bar coiled body, wear by the other end of the flexible cable bar It crosses the space between the first aligns wheel and the second aligns wheel of first resistance straightening unit, rectified around the third of the recurvation unit Groove on through ship, the space across the first aligns wheel of second resistance straightening unit and the second aligns wheel, the flexibility The other end of cable bar is connected with the argon-filled protection device.
2. a kind of small-bore pipeline according to claim 1 carries on the back argon-filled protection system, which is characterized in that the cable bar driving Component includes cable bar servo motor, and the bottom of the grillage is arranged in the cable bar servo motor.
3. a kind of small-bore pipeline according to claim 2 carries on the back argon-filled protection system, which is characterized in that the transmission component Including a driving wheel and two driven wheels, wherein
The output axis connection of the driving wheel and the cable bar servo motor;
Two driven wheels are oppositely arranged on the two sides of the driving wheel, and two driven wheels pass through belt and described respectively Driving wheel connection;
First aligns wheel of a driven wheel and first resistance straightening unit in two driven wheels shares one and turns Second aligns wheel of moving axis, another described driven wheel and second resistance straightening unit in two driven wheels shares one Rotation axis.
4. a kind of small-bore pipeline according to claim 3 carries on the back argon-filled protection system, which is characterized in that the cable bar driving Component further includes electromagnetic clutch, and the electromagnetic clutch is arranged on the output shaft of the cable bar servo motor, the active Wheel passes through the electromagnetic clutch operably output axis connection with the cable bar servo motor.
5. a kind of small-bore pipeline according to claim 1 carries on the back argon-filled protection system, which is characterized in that the cable bar is coiled Mechanism further includes reel driving assembly, and the reel driving assembly includes reel servo motor, transmission gear and cyclic annular rack gear, In,
The reel servo motor is mounted on the bottom of the bottom plate;
The transmission gear is fixed on the output shaft of the reel servo motor;
The bottom of the reel is arranged in the ring-type rack gear, and the cyclic annular rack gear and the transmission gear are meshed.
6. a kind of small-bore pipeline according to claim 1-5 carries on the back argon-filled protection system, which is characterized in that described Cable bar coiled body further includes aligning row's cable assembly, and the aligning row cable assembly is arranged in the reel and the push straightener Between structure, the aligning row cable assembly includes row's cable retarder, cable support, row's cable servo motor, row's cable bar and the 4th aligning Wheel, wherein
Row's cable retarder setting is on the bracket;
Row's cable servo motor is arranged on row's cable retarder, the output end of row's cable servo motor and row's cable The input terminal of retarder connects;
The cable support is arranged on row's cable retarder;
Row's cable bar is installed in rotation on the cable support, and the output end of row's cable bar and row's cable retarder Connection;
4th aligns wheel is sleeved on row's cable bar, has one and the flexibility on the circumferential surface of the 4th aligns wheel The groove that cable bar matches.
7. a kind of small-bore pipeline according to claim 6 carries on the back argon-filled protection system, which is characterized in that the reel has Two opposite disks, the flexible cable bar are wrapped between two disks;
The aligning row cable assembly further includes two the first elastic damping blocks, and one end of two the first elastic damping blocks is fixed It is arranged on the cable support, the other end of two the first elastic damping blocks all has the arc to match with the disk Face, the other end of two the first elastic damping blocks, which respectively corresponds, to be fitted on the circumferential surface of two disks.
8. a kind of small-bore pipeline according to claim 6 carries on the back argon-filled protection system, which is characterized in that the cable bar is coiled Mechanism further includes that cable bar holds down assembly, and the cable bar holds down assembly with aligning row's cable assembly with the central axis phase of the reel To setting, the cable bar holds down assembly including clamping frame, clamping arm, extension spring and contact roller, wherein
The clamping frame fixed setting is on the bracket;
There are two the clamping arm settings, and two clamping arms are oppositely arranged, and one end of two clamping arms is rotationally It is connected on the clamping frame;
One end of the extension spring is connected on the clamping frame, and the other end of the extension spring is connected to any one institute It states on clamping arm;
The contact roller is rotatably connected between the other end of two clamping arms, the contact roller and the flexible cable Bar rolling friction.
9. a kind of small-bore pipeline according to claim 8 carries on the back argon-filled protection system, which is characterized in that the reel has Two opposite disks, the flexible cable bar are wrapped between two disks;
It further includes two the second elastic damping blocks that the cable bar, which holds down assembly, and one end of two the second elastic damping blocks is fixed It is arranged on the clamping frame, the other end of two the second elastic damping blocks all has the arc to match with the disk Face, the other end of two the second elastic damping blocks, which respectively corresponds, to be fitted on the circumferential surface of two disks.
10. a kind of small-bore pipeline according to claim 1-5 carries on the back argon-filled protection system, which is characterized in that institute The system of stating further includes more than one cable bar support, and the cable bar support is arranged at intervals on the flexible cable bar, described Cable bar support includes top plate, elastic annular steel card and idler wheel, wherein
There are two the elastic annular steel card settings, and one end of two elastic annular steel cards is fixed at the top plate On, two elastic annular steel cards surround the through-hole passed through for the flexible cable bar, two elastic annular steel cards External bending of the other end to the through-hole;
The idler wheel and the elastic annular steel card are arranged in a one-to-one correspondence, and the idler wheel is rotatably arranged in the corresponding bullet On the other end of property ring-type steel card.
CN201810738036.8A 2018-07-06 2018-07-06 Small-bore pipeline back argon filling protection system Active CN108856986B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110560855A (en) * 2019-08-27 2019-12-13 中国石油天然气集团公司 Argon filling back protection system for automatic pipeline welding
CN110560854A (en) * 2019-08-27 2019-12-13 中国石油天然气集团公司 Pipeline circumference segmentation back argon filling protection mechanism
CN110900025A (en) * 2019-10-30 2020-03-24 中国化学工程第六建设有限公司 Welding process of hydrogen sulfide resistant pipeline
CN112872694A (en) * 2021-01-12 2021-06-01 遵义航天新力精密铸锻有限公司 Welding tool
CN113510394A (en) * 2021-07-16 2021-10-19 中钞印制技术研究院有限公司 Thin-wall net barrel clamp

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Publication number Priority date Publication date Assignee Title
CN110560855A (en) * 2019-08-27 2019-12-13 中国石油天然气集团公司 Argon filling back protection system for automatic pipeline welding
CN110560854A (en) * 2019-08-27 2019-12-13 中国石油天然气集团公司 Pipeline circumference segmentation back argon filling protection mechanism
CN110560855B (en) * 2019-08-27 2024-04-30 中国石油天然气集团公司 Argon filling back protection system for automatic pipeline welding
CN110560854B (en) * 2019-08-27 2024-05-28 中国石油天然气集团公司 Pipeline circumferential segmentation back argon filling protection mechanism
CN110900025A (en) * 2019-10-30 2020-03-24 中国化学工程第六建设有限公司 Welding process of hydrogen sulfide resistant pipeline
CN112872694A (en) * 2021-01-12 2021-06-01 遵义航天新力精密铸锻有限公司 Welding tool
CN113510394A (en) * 2021-07-16 2021-10-19 中钞印制技术研究院有限公司 Thin-wall net barrel clamp

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