CN113290301A - All-position automatic welding machine for pipeline - Google Patents
All-position automatic welding machine for pipeline Download PDFInfo
- Publication number
- CN113290301A CN113290301A CN202110608375.6A CN202110608375A CN113290301A CN 113290301 A CN113290301 A CN 113290301A CN 202110608375 A CN202110608375 A CN 202110608375A CN 113290301 A CN113290301 A CN 113290301A
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- pipeline
- mounting block
- welding
- motor
- driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
- B23K9/0286—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections with an electrode moving around the fixed tube during the welding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses an all-position automatic welding machine for a pipeline, which comprises an annular track, a travelling mechanism, a welding mechanism and a wire feeding mechanism, wherein the annular track, the travelling mechanism, the welding mechanism and the wire feeding mechanism are arranged along the circumferential direction of the pipeline in a tiled mode, the welding mechanism comprises a welding gun, a first motor and a second motor which are arranged on an installation seat, the first motor and the second motor are arranged along the axial direction of the pipeline, an output shaft of the first motor is connected with a screw rod, a nut is sleeved on the screw rod, a driving rod is arranged in parallel with the screw rod, one end of the driving rod is connected with the nut through a connecting piece, and the other end of the driving rod extends out of a second shell and is connected with an installation block for driving the installation block to move. The all-position automatic welding machine for the pipelines realizes the all-around automatic welding of the pipelines in the circumferential direction, so that the equipment always runs close to the pipelines in the using process, the welding precision can be improved, and the all-position automatic welding machine is suitable for welding scenes with small intervals among the pipelines.
Description
Technical Field
The invention relates to an all-position automatic welding machine for pipelines, and belongs to the technical field of pipeline welding equipment.
Background
With the progress of industrial automatic control research, corresponding technical support is provided for the pipeline engineering construction in China, the automatic pipeline welding technology gradually becomes the mainstream technology of pipeline welding, and the oil-gas pipeline construction in China is developed towards high efficiency. The automatic welding of the pipeline is that the welding trolley moves around the pipe wall along the transmission track to automatically weld the outer circular seam of the pipeline, so that the welding efficiency can be effectively improved, and the labor intensity of a welder is reduced. The pipeline welding is the most important link in the pipeline construction process, not only is the most basic guarantee of the pipeline construction quality, but also the appearance of the pipeline after construction and forming is influenced.
There are currently devices for the automatic welding of pipes, however, these designs present the following problems and drawbacks: some devices cannot move autonomously, and the parts needing to be welded at each position need to be manually installed, so that time and labor are wasted; some devices degree of automation is not high, can't guarantee welding process's efficiency and welding quality, and whole height and volume are on the large side, and when the clearance between the pipeline was less, can collide with the pipeline on next door, lead to unable normal completion weldment work.
Disclosure of Invention
The invention aims to provide an all-position automatic welding machine for pipelines, which realizes the all-around automatic welding of the pipelines in the circumferential direction, so that equipment always runs close to the pipelines in the using process, the welding precision can be improved, and the all-position automatic welding machine is suitable for welding scenes with small intervals among the pipelines.
In order to achieve the purpose, the invention adopts the technical scheme that: the all-position automatic welding machine for the pipeline comprises an annular track, a travelling mechanism, a welding mechanism and a wire feeding mechanism, wherein the annular track, the travelling mechanism, the welding mechanism and the wire feeding mechanism are arranged along the circumferential direction of the pipeline;
a groove is formed in the outer end face of the annular track along the circumferential direction, a driving chain is embedded in the groove, a chain wheel is meshed with the driving chain and can move around the driving chain along the circumferential direction, the traveling mechanism comprises a first shell and a traveling motor arranged in the first shell, and the chain wheel is arranged on an output shaft of the traveling motor;
the welding mechanism comprises a welding gun, a first motor and a second motor which are arranged on a mounting seat, and the first motor and the second motor are both arranged in a second shell;
the first motor and the second motor are arranged along the axial direction of the pipeline, an output shaft of the first motor is connected with a screw rod, a nut is sleeved on the screw rod, a driving rod is arranged in parallel with the screw rod, one end of the driving rod is connected with the nut through a connecting piece, and the other end of the driving rod extends out of the second shell and is connected with an installation block for driving the installation block to move;
the output shaft of the second motor is provided with a first gear, a second gear in meshed connection with the first gear is movably sleeved on a driving shaft, the inner wall of the second gear is provided with a tooth body, a tooth groove matched with the tooth body on the inner wall of the second gear is formed in the outer surface of one end, provided with the second gear, of the driving shaft, so that the second gear can drive the driving shaft to rotate, the other end of the driving shaft penetrates through the mounting block and is rotatably connected with the mounting block through a bearing, a third gear is installed at one end, penetrating through the mounting block, of the driving shaft, a vertically arranged rack is in meshed connection with the third gear and can move in the vertical direction, and the rack is connected with the mounting seat.
The technical scheme of further improvement in the technical scheme is as follows:
preferably, the inner wall of the annular track is provided with two lugs at intervals along the circumferential direction, the lugs slightly protrude out of the end surface of the inner wall surface of the annular track and are used for being in contact with the pipeline surface, the annular track is further provided with a jackscrew arranged along the radial direction of the annular track, and one end of the jackscrew can extend out of the annular track and is in contact with the pipeline surface.
Preferably, the rack is connected with a sliding strip, two sides of the sliding strip are respectively provided with a support bar connected with the mounting block, each support bar is rotatably provided with at least one guide wheel, and the guide wheels on the two support bars are oppositely arranged, so that a guide area for embedding the sliding strip is formed.
As preferred, still have an inlet tube and a water-cooling cable, the end of intaking of inlet tube is located the outside that welder one end was kept away from to first casing, the inlet tube passes through the one end of first casing, the other end of first casing and first casing in proper order, state the play water end and the welding mechanism intercommunication of inlet tube, water-cooling cable's the end of intaking and welding mechanism intercommunication for the liquid derivation that will come from the inlet tube, water-cooling cable's the end of intaking is close to the end setting of intaking of inlet tube.
Preferably, a wire feeding nozzle is also obliquely arranged on the mounting seat provided with the welding gun, and a welding wire from the wire feeding mechanism penetrates out of the wire feeding nozzle and is arranged adjacent to a tungsten electrode at the lower end of the welding gun;
a first mounting block is mounted on the mounting seat, a second mounting block is rotatably mounted at one end of the first mounting block through a first connecting shaft, a first knob is mounted at the other end of the first mounting block, and one end of the first knob is connected with the second mounting block and used for driving the second mounting block to rotate around the first connecting shaft;
a third mounting block is rotatably mounted on the second mounting block through a second connecting shaft, a second knob is further mounted on the second mounting block, and one end of the second knob is connected with the third mounting block and used for driving the third mounting block to rotate around the second connecting shaft;
the second connecting shaft is arranged along the axial direction of the pipeline, the first connecting shaft is horizontally arranged and perpendicular to the second connecting shaft, and the wire feeding nozzle is installed on the third installation block through a supporting seat.
Preferably, the first shell is provided with a first groove and a second groove for embedding the water inlet pipe and the water-cooling cable.
Preferably, each support bar is provided with two guide wheels which are arranged at intervals along the vertical direction.
Preferably, the surface of the guide wheel, which is in contact with the support bar, is provided with a guide groove arranged along the circumferential direction of the guide wheel, and the end surface of the support bar, which is in contact with the guide wheel, is provided with a wedge-shaped bulge matched with the guide groove.
Preferably, the first mounting block is connected with the mounting base through a mounting bar and a bolt which are vertically mounted on the mounting base.
Preferably, a strip-shaped hole is formed in the mounting strip in the vertical direction, and the bolt penetrates through the strip-shaped hole to be connected with the first mounting block. .
Preferably, the two lugs and the jackscrew are arranged at equal intervals along the circumferential direction of the annular track.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages and effects:
1. the all-position automatic welding machine for the pipelines has the advantages that the all-position automatic welding of the pipelines in the circumferential direction is realized, the welding efficiency and the automation degree are improved, meanwhile, the overall height of the all-position automatic welding machine is greatly reduced, the structural compactness is improved through the matching of all parts, the all-position automatic welding machine is enabled to be close to the pipelines to operate all the time in the use process, the welding precision can be improved, and the all-position automatic welding machine is also applicable to welding scenes with small intervals among the pipelines; further, its first motor, second motor all set up along the axial of pipeline, be connected with a lead screw on the output shaft of first motor, the cover is equipped with a nut on the lead screw, a actuating lever with lead screw parallel arrangement, the one end of actuating lever is connected with the nut through a connecting piece, the other end of actuating lever stretches out from the second casing to be connected with an installation piece, be used for the drive the installation piece removes, realizes the conversion of action through the connecting piece, makes each part all can press close to the pipeline tiling setting, has further reduced the welding operation of the height in order to be applicable to the little space of device.
2. The invention relates to an automatic all-position welding machine for pipelines, wherein the inner wall of an annular track is provided with at least two lugs at intervals, the lug slightly protrudes out of the end surface of the inner wall surface of the annular track and is used for being contacted with the pipeline surface, the lug is also provided with a jackscrew which is arranged along the radial direction of the annular track, one end of the jackscrew can extend out of the annular track and is contacted with the pipeline surface, the matching arrangement of the convex block and the jackscrew not only facilitates the installation of the track on the pipeline, but also can avoid the condition of the infirm installation of the track caused by the local deformation of the pipeline, improves the adaptability to the diameter error and the roundness error, and make the contact between track and the pipeline inseparabler, avoid skew and the shake among the welding process, guarantee welded precision and quality, can also with the interaction force evenly distributed between track and the pipeline to the week upwards, avoid crushing or crushing the pipeline because the dynamics is too big.
3. The invention relates to an all-position automatic welding machine for pipelines, a wire feeding nozzle is obliquely arranged on an installation seat provided with a welding gun, a first installation block is arranged on the installation seat, a second installation block is rotatably arranged at one end of the first installation block through a first connecting shaft, a first knob is arranged at the other end of the first installation block, one end of the first knob is connected with the second installation block and is used for driving the second installation block to rotate around the first connecting shaft, a third installation block is rotatably arranged on the second installation block through a second connecting shaft, a second knob is also arranged on the second installation block, one end of the second knob is connected with the third installation block and is used for driving the third installation block to rotate around the second connecting shaft, the second connecting shaft is arranged along the axial direction of the pipeline, the horizontally arranged first connecting shaft is vertical to the second connecting shaft, the wire feeding nozzle is arranged on the third mounting block through a supporting seat, the angle between the wire feeding nozzle and the tungsten electrode on the welding gun is adjusted through a compact structure, and the welding precision and quality are improved while the lower equipment height is ensured.
4. The invention relates to an all-position automatic welding machine for pipelines, which is also provided with a water inlet pipe and a water-cooling cable, wherein the water inlet end of the water inlet pipe is positioned at the outer side of one end of a first shell far away from a welding gun, the water inlet pipe sequentially passes through one end of the first shell, the other end of the first shell and the other end of the first shell, the water outlet end of the water inlet pipe is communicated with a welding mechanism, the water inlet end of the water-cooling cable is communicated with the welding mechanism and is used for guiding out liquid from the water inlet pipe, and the water outlet end of the water-cooling cable is arranged close to the water inlet end of the water inlet pipe, so that the machine body and the cables can be cooled in real time in the welding process, and the welding quality and the operation safety are ensured.
Drawings
FIG. 1 is a schematic view I of a use state of the automatic all-position pipeline welding machine;
FIG. 2 is a schematic view of a partial structure of an automatic all-position pipeline welding machine of the present invention;
FIG. 3 is a schematic view of a partial structure of an automatic all-position pipeline welding machine of the present invention;
FIG. 4 is a partial structural cross-sectional view of the pipe full position automatic welding machine of the present invention;
FIG. 5 is a schematic view of a circular track structure in the automatic all-position pipeline welding machine of the present invention;
FIG. 6 is a schematic diagram of a circular track structure in the automatic all-position pipeline welding machine of the invention;
FIG. 7 is a schematic view of a partial structure of a traveling mechanism in the automatic all-position pipeline welding machine according to the present invention;
FIG. 8 is a schematic view of a partial structure of a welding mechanism in the automatic all-position pipeline welding machine of the present invention;
FIG. 9 is a schematic view of a partial structure of a welding mechanism in the automatic all-position pipeline welding machine of the present invention;
FIG. 10 is a schematic view of a partial structure of an automatic all-position pipeline welding machine according to the present invention.
In the above drawings: 1. a pipeline; 2. an annular track; 3. a traveling mechanism; 4. a welding mechanism; 5. a wire feeder; 6. a track body; 7. a groove; 8. a drive chain; 9. a traveling motor; 10. a sprocket; 11. a first housing; 121. a pin shaft; 122. buckling; 13. a bump; 14. carrying out top thread; 15. a mounting seat; 16. a welding gun; 17. a first motor; 18. a second motor; 19. a second housing; 20. a screw rod; 21. a nut; 22. a drive rod; 23. mounting blocks; 24. a first gear; 25. a second gear; 26. a drive shaft; 27. a third gear; 28. a rack; 29. a connecting member; 30. a guide wheel; 31. a slide bar; 32. a supporting strip; 33. a guide wheel; 34. a wire feeding nozzle; 35. a tungsten electrode; 36. a first mounting block; 37. a second mounting block; 38. a first knob; 39. a third mounting block; 401. a first connecting shaft; 402. a second connecting shaft; 41. a second knob; 42. a supporting seat; 43. mounting a bar; 44. a bolt; 45. a strip-shaped hole; 46. a wire feeding motor; 47. a wire reel; 48. a wire feeding wheel; 49. connecting sheets; 50. a first groove; 51. a second groove.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: the all-position automatic welding machine for the pipeline comprises an annular track 2, a traveling mechanism 3, a welding mechanism 4 and a wire feeding mechanism 5, wherein the annular track 2, the traveling mechanism 3, the welding mechanism 4 and the wire feeding mechanism 5 are arranged along the circumferential direction of the pipeline 1, the traveling mechanism 3, the welding mechanism 4 and the wire feeding mechanism 5 are horizontally paved along the circumferential direction of the pipeline 1, and the welding mechanism 4 and the wire feeding mechanism 5 are connected with the traveling mechanism 3 and can move along the circumferential direction of the pipeline 1 along with the traveling mechanism 3;
two lugs 13 are arranged on the inner wall of the annular track 2 at intervals along the circumferential direction, the lugs 13 slightly protrude out of the end surface of the inner wall surface of the annular track 2 and are used for being in surface contact with the pipeline 1, a jackscrew 14 is arranged along the radial direction of the annular track 2, and one end of the jackscrew 14 can extend out of the annular track 2 and is in surface contact with the pipeline 1;
a groove 7 is formed in the outer end face of the annular track 2 along the circumferential direction, a driving chain 8 is embedded in the groove 7, a chain wheel 10 is meshed with the driving chain 8 and can move around the driving chain 8 along the circumferential direction, the traveling mechanism 3 comprises a first shell 11 and a traveling motor 9 arranged in the first shell 11, and the chain wheel 10 is arranged on an output shaft of the traveling motor 9;
the welding mechanism 4 comprises a welding gun 16, a first motor 17 and a second motor 18 which are arranged on a mounting seat 15, and the first motor 17 and the second motor 18 are both arranged in a second shell 19;
the first motor 17 and the second motor 18 are both arranged along the axial direction of the pipeline 1, an output shaft of the first motor 17 is connected with a screw rod 20, the screw rod 20 is sleeved with a nut 21, a driving rod 22 is arranged in parallel with the screw rod 20, one end of the driving rod 22 is connected with the nut 21 through a connecting piece 29, and the other end of the driving rod 22 extends out of the second shell 19 and is connected with an installation block 23 for driving the installation block 23 to move;
a first gear 24 is mounted on an output shaft of the second motor 18, a second gear 25 in meshed connection with the first gear 24 is movably sleeved on a driving shaft 26, a tooth body is arranged on the inner wall of the second gear 25, a tooth groove matched with the tooth body on the inner wall of the second gear 25 is arranged on the outer surface of one end, mounted with the second gear 25, of the driving shaft 26, so that the second gear 25 can drive the driving shaft 26 to rotate, the other end of the driving shaft 26 penetrates through the mounting block 23 and is rotatably connected with the mounting block 23 through a bearing, a third gear 27 is mounted on one end, penetrating through the mounting block 23, of the driving shaft 26, a vertically arranged rack 28 is in meshed connection with the third gear 27 and can move in the vertical direction, and the rack 28 is connected with the mounting seat 15;
the rack 28 is connected with a sliding bar 31, two supporting bars 32 connected with the mounting block 23 are respectively arranged at two sides of the sliding bar 31, at least one guide wheel 33 is rotatably arranged on each supporting bar 32, and the guide wheels 33 on the two supporting bars 32 are oppositely arranged, so that a guide area for embedding the sliding bar 31 is formed;
the welding gun is characterized by further comprising a water inlet pipe and a water-cooling cable, wherein the water inlet end of the water inlet pipe is positioned on the outer side of one end, away from the welding gun 16, of the first shell 11, the water inlet pipe sequentially passes through one end of the first shell 11, the first shell 11 and the other end of the first shell 11, the water outlet end of the water inlet pipe is communicated with the welding mechanism 4, the water inlet end of the water-cooling cable is communicated with the welding mechanism 4 and used for guiding out liquid from the water inlet pipe, and the water outlet end of the water-cooling cable is arranged close to the water inlet end of the water inlet pipe;
the mounting seat 15 provided with the welding gun 16 is also obliquely provided with a wire feeding nozzle 34, and a welding wire from the wire feeding mechanism 5 penetrates out of the wire feeding nozzle 34 and is arranged adjacent to a tungsten electrode 35 at the lower end of the welding gun 16;
a first mounting block 36 is mounted on the mounting base 15, a second mounting block 37 is rotatably mounted at one end of the first mounting block 36 through a first connecting shaft 401, a first knob 38 is mounted at the other end of the first mounting block 36, and one end of the first knob 38 is connected with the second mounting block 37 and is used for driving the second mounting block 37 to rotate around the first connecting shaft 401;
a third mounting block 39 is rotatably mounted on the second mounting block 37 through a second connecting shaft 402, a second knob 41 is further mounted on the second mounting block 37, and one end of the second knob 41 is connected with the third mounting block 39 and is used for driving the third mounting block 39 to rotate around the second connecting shaft 402;
the second connecting shaft 402 is arranged along the axial direction of the pipeline 1, the first connecting shaft 401 which is horizontally arranged is perpendicular to the second connecting shaft 402, and the wire feeding nozzle 34 is installed on the third installation block 39 through a supporting seat 42.
The first shell 11 is provided with a first groove 50 and a second groove 51 for embedding the water inlet pipe and the water-cooling cable; the annular track 2 is formed by splicing 2 semicircular track bodies 6; the joints of the two track bodies 6 are connected through a pin shaft 121 and a rotatable buckle 122;
the jackscrew 14 is in threaded connection with the annular track 2; each support bar 32 is provided with two guide wheels 33 which are arranged at intervals along the vertical direction; the surface of the guide wheel 33 contacting with the support bar 32 is provided with a guide groove arranged along the circumferential direction of the guide wheel 33, and the end surface of the support bar 32 contacting with the guide wheel 33 is provided with a wedge-shaped bulge matched with the guide groove;
the end surfaces of the same ends of the first shell 11 and the second shell 19 which are hinged are fixedly connected through a triangular connecting sheet 49; the wire feeder 5 includes a wire feeding motor 46, a wire reel 47, and a wire feeding wheel 48, and the wire feeding wheel 48 is mounted on an output shaft of the wire feeding motor 46.
Example 2: the all-position automatic welding machine for the pipeline comprises an annular track 2, a traveling mechanism 3, a welding mechanism 4 and a wire feeding mechanism 5, wherein the annular track 2, the traveling mechanism 3, the welding mechanism 4 and the wire feeding mechanism 5 are arranged along the circumferential direction of the pipeline 1, the traveling mechanism 3, the welding mechanism 4 and the wire feeding mechanism 5 are horizontally paved along the circumferential direction of the pipeline 1, and the welding mechanism 4 and the wire feeding mechanism 5 are connected with the traveling mechanism 3 and can move along the circumferential direction of the pipeline 1 along with the traveling mechanism 3;
two lugs 13 are arranged on the inner wall of the annular track 2 at intervals along the circumferential direction, the lugs 13 slightly protrude out of the end surface of the inner wall surface of the annular track 2 and are used for being in surface contact with the pipeline 1, a jackscrew 14 is arranged along the radial direction of the annular track 2, and one end of the jackscrew 14 can extend out of the annular track 2 and is in surface contact with the pipeline 1;
a groove 7 is formed in the outer end face of the annular track 2 along the circumferential direction, a driving chain 8 is embedded in the groove 7, a chain wheel 10 is meshed with the driving chain 8 and can move around the driving chain 8 along the circumferential direction, the traveling mechanism 3 comprises a first shell 11 and a traveling motor 9 arranged in the first shell 11, and the chain wheel 10 is arranged on an output shaft of the traveling motor 9;
the welding mechanism 4 comprises a welding gun 16, a first motor 17 and a second motor 18 which are arranged on a mounting seat 15, and the first motor 17 and the second motor 18 are both arranged in a second shell 19;
the first motor 17 and the second motor 18 are both arranged along the axial direction of the pipeline 1, an output shaft of the first motor 17 is connected with a screw rod 20, the screw rod 20 is sleeved with a nut 21, a driving rod 22 is arranged in parallel with the screw rod 20, one end of the driving rod 22 is connected with the nut 21 through a connecting piece 29, and the other end of the driving rod 22 extends out of the second shell 19 and is connected with an installation block 23 for driving the installation block 23 to move;
a first gear 24 is mounted on an output shaft of the second motor 18, a second gear 25 in meshed connection with the first gear 24 is movably sleeved on a driving shaft 26, a tooth body is arranged on the inner wall of the second gear 25, a tooth groove matched with the tooth body on the inner wall of the second gear 25 is arranged on the outer surface of one end, mounted with the second gear 25, of the driving shaft 26, so that the second gear 25 can drive the driving shaft 26 to rotate, the other end of the driving shaft 26 penetrates through the mounting block 23 and is rotatably connected with the mounting block 23 through a bearing, a third gear 27 is mounted on one end, penetrating through the mounting block 23, of the driving shaft 26, a vertically arranged rack 28 is in meshed connection with the third gear 27 and can move in the vertical direction, and the rack 28 is connected with the mounting seat 15;
the rack 28 is connected with a sliding bar 31, two supporting bars 32 connected with the mounting block 23 are respectively arranged at two sides of the sliding bar 31, at least one guide wheel 33 is rotatably arranged on each supporting bar 32, and the guide wheels 33 on the two supporting bars 32 are oppositely arranged, so that a guide area for embedding the sliding bar 31 is formed;
the welding gun is characterized by further comprising a water inlet pipe and a water-cooling cable, wherein the water inlet end of the water inlet pipe is positioned on the outer side of one end, away from the welding gun 16, of the first shell 11, the water inlet pipe sequentially passes through one end of the first shell 11, the first shell 11 and the other end of the first shell 11, the water outlet end of the water inlet pipe is communicated with the welding mechanism 4, the water inlet end of the water-cooling cable is communicated with the welding mechanism 4 and used for guiding out liquid from the water inlet pipe, and the water outlet end of the water-cooling cable is arranged close to the water inlet end of the water inlet pipe;
the mounting seat 15 provided with the welding gun 16 is also obliquely provided with a wire feeding nozzle 34, and a welding wire from the wire feeding mechanism 5 penetrates out of the wire feeding nozzle 34 and is arranged adjacent to a tungsten electrode 35 at the lower end of the welding gun 16;
a first mounting block 36 is mounted on the mounting base 15, a second mounting block 37 is rotatably mounted at one end of the first mounting block 36 through a first connecting shaft 401, a first knob 38 is mounted at the other end of the first mounting block 36, and one end of the first knob 38 is connected with the second mounting block 37 and is used for driving the second mounting block 37 to rotate around the first connecting shaft 401;
a third mounting block 39 is rotatably mounted on the second mounting block 37 through a second connecting shaft 402, a second knob 41 is further mounted on the second mounting block 37, and one end of the second knob 41 is connected with the third mounting block 39 and is used for driving the third mounting block 39 to rotate around the second connecting shaft 402;
the second connecting shaft 402 is arranged along the axial direction of the pipeline 1, the first connecting shaft 401 which is horizontally arranged is perpendicular to the second connecting shaft 402, and the wire feeding nozzle 34 is installed on the third installation block 39 through a supporting seat 42.
The first mounting block 36 is connected to the mounting base 15 through a mounting bar 43 and a bolt 44 vertically mounted on the mounting base 15; a strip-shaped hole 45 is formed in the mounting strip 43 along the vertical direction, and the bolt 44 penetrates through the strip-shaped hole 45 to be connected with the first mounting block 36; the two lugs 13 and the jackscrew 14 are arranged at equal intervals along the circumferential direction of the annular track 2;
at least one guide wheel 30 is arranged on the travelling mechanism 3, the welding mechanism 4 and the wire feeding mechanism 5, and the guide wheel 30 can move along the circumferential direction of the annular track 2; the travelling mechanism 3, the welding mechanism 4 and the wire feeding mechanism 5 are all arranged on a travelling chain, the travelling chain is arranged on the annular track 2, and a plurality of chain wheels of the travelling chain and the guide wheel 30 are positioned on the same circumference;
when the all-position automatic welding machine for the pipelines is adopted, the all-directional automatic welding of the pipelines in the circumferential direction is realized, the welding efficiency and the automation degree are improved, and meanwhile, the overall height of the device is greatly reduced and the structural compactness is improved through the matching of all parts, so that the equipment is always close to the pipelines to operate in the use process, the welding precision can be improved, and the all-position automatic welding machine is also suitable for welding scenes with small intervals among the pipelines;
furthermore, the movement conversion is realized through the connecting piece, so that all parts can be flatly laid close to the pipeline, and the height of the device is further reduced so as to be suitable for the welding operation in a small space;
furthermore, the lug and the jackscrew are matched, so that the rail can be conveniently installed on the pipeline, the condition that the rail is not firmly installed due to local deformation of the pipeline can be avoided, the adaptability to the diameter error and the roundness error is improved, the contact between the rail and the pipeline is tighter, the deviation and the shake in the welding process are avoided, the welding precision and quality are ensured, the interaction force between the rail and the pipeline can be uniformly distributed in the circumferential direction, and the pipeline is prevented from being crushed or crushed due to overlarge force;
in addition, the angle between the wire feeding nozzle and the tungsten electrode on the welding gun is adjusted through a compact structure, so that the welding precision and quality are improved while the lower equipment height is ensured;
in addition, the machine body and the cable of the equipment can be cooled in real time in the welding process, and the welding quality and the operation safety are ensured.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a pipeline all-position automatic weld machine, includes circular orbit (2), running gear (3), welding mechanism (4) and wire feeding mechanism (5) along pipeline (1) circumference installation, its characterized in that: the walking mechanism (3), the welding mechanism (4) and the wire feeding mechanism (5) are tiled along the circumferential direction of the pipeline (1), and the welding mechanism (4) and the wire feeding mechanism (5) are connected with the walking mechanism (3) and can move along with the walking mechanism (3) in the circumferential direction of the pipeline (1);
a groove (7) is formed in the outer end face of the annular track (2) along the circumferential direction, a driving chain (8) is embedded in the groove (7), a chain wheel (10) is meshed with the driving chain (8) and can move around the driving chain (8) along the circumferential direction, the traveling mechanism (3) comprises a first shell (11) and a traveling motor (9) installed in the first shell (11), and the chain wheel (10) is installed on an output shaft of the traveling motor (9);
the welding mechanism (4) comprises a welding gun (16), a first motor (17) and a second motor (18) which are arranged on a mounting seat (15), and the first motor (17) and the second motor (18) are both arranged in a second shell (19);
the pipeline driving device comprises a first motor (17), a second motor (18) and a driving rod (22), wherein the first motor (17) and the second motor (18) are arranged along the axial direction of a pipeline (1), an output shaft of the first motor (17) is connected with a screw rod (20), the screw rod (20) is sleeved with a nut (21), the driving rod (22) and the screw rod (20) are arranged in parallel, one end of the driving rod (22) is connected with the nut (21) through a connecting piece (29), and the other end of the driving rod (22) extends out of a second shell (19) and is connected with a mounting block (23) and used for driving the mounting block (23) to move;
a first gear (24) is mounted on an output shaft of the second motor (18), a second gear (25) in meshed connection with the first gear (24) is movably sleeved on a driving shaft (26), a tooth body is arranged on the inner wall of the second gear (25), a tooth groove matched with the tooth body on the inner wall of the second gear (25) is arranged on the outer surface of one end, provided with the second gear (25), of the driving shaft (26), so that the second gear (25) can drive the driving shaft (26) to rotate, the other end of the driving shaft (26) penetrates through the mounting block (23) and is rotatably connected with the mounting block (23) through a bearing, a third gear (27) is mounted on one end, penetrating through the mounting block (23), of the driving shaft (26), and a vertically arranged rack (28) is in meshed connection with the third gear (27) and can move in the vertical direction, the rack (28) is connected with the mounting seat (15).
2. The pipe all-position automatic welding machine according to claim 1, characterized in that: be provided with two lugs (13) along circumference interval on the inner wall of annular track (2), lug (13) slightly bulge in the terminal surface of annular track (2) inner wall surface be used for with pipeline (1) face contact, still have a jackscrew (14) along the radial setting of annular track (2), the one end of jackscrew (14) can be followed annular track (2) and stretched out to with pipeline (1) face contact.
3. The automatic all-position welding machine for pipes according to claim 1 or 2, characterized in that: the rack (28) is connected with a sliding strip (31), and is located two sides of the sliding strip (31) are respectively provided with a support bar (32) connected with the mounting block (23), each support bar (32) is rotatably provided with at least one guide wheel (33), and the guide wheels (33) on the two support bars (32) are arranged oppositely, so that a guide area for embedding the sliding strip (31) is formed.
4. The automatic all-position welding machine for pipes according to claim 1 or 2, characterized in that: still have an inlet tube and a water-cooled cable, the end of intaking of inlet tube is located first casing (11) and keeps away from the outside of welder (16) one end, the inlet tube passes through the one end of first casing (11), the other end of first casing (11) and first casing (11) in proper order, state the play water end and the welding mechanism (4) intercommunication of inlet tube, water-cooled cable's the end of intaking and welding mechanism (4) intercommunication for the liquid derivation that will come from the inlet tube, water-cooled cable's the end of intaking that goes out the water inlet tube closes on and sets up.
5. The automatic all-position welding machine for pipes according to claim 1 or 2, characterized in that: a wire feeding nozzle (34) is also obliquely arranged on the mounting seat (15) provided with the welding gun (16), and a welding wire from the wire feeding mechanism (5) penetrates out of the wire feeding nozzle (34) and is arranged adjacent to a tungsten electrode (35) at the lower end of the welding gun (16);
a first mounting block (36) is mounted on the mounting base (15), a second mounting block (37) is rotatably mounted at one end of the first mounting block (36) through a first connecting shaft (401), a first knob (38) is mounted at the other end of the first mounting block (36), one end of the first knob (38) is connected with the second mounting block (37) and used for driving the second mounting block (37) to rotate around the first connecting shaft (401);
a third mounting block (39) is rotatably mounted on the second mounting block (37) through a second connecting shaft (402), a second knob (41) is further mounted on the second mounting block (37), and one end of the second knob (41) is connected with the third mounting block (39) and used for driving the third mounting block (39) to rotate around the second connecting shaft (402);
the second connecting shaft (402) is arranged along the axial direction of the pipeline (1), the first connecting shaft (401) which is horizontally arranged is perpendicular to the second connecting shaft (402), and the wire feeding nozzle (34) is installed on the third installation block (39) through a supporting seat (42).
6. The pipe all-position automatic welding machine according to claim 4, characterized in that: the first shell (11) is provided with a first groove (50) and a second groove (51) for embedding the water inlet pipe and the water-cooling cable.
7. The automatic all-position pipeline welding machine according to claim 3, wherein: each support bar (32) is provided with two guide wheels (33) which are arranged at intervals along the vertical direction.
8. The automatic all-position pipeline welding machine according to claim 1 or 7, characterized in that: the surface that leading wheel (33) and support bar (32) contact is opened on has along the guide slot of leading wheel (33) circumference setting, have one on the terminal surface of support bar (32) and leading wheel (33) contact with guide slot complex wedge protruding.
9. The pipe all-position automatic welding machine according to claim 5, characterized in that: the first mounting block (36) is connected with the mounting base (15) through a mounting bar (43) and a bolt (44) which are vertically mounted on the mounting base (15).
10. The pipe all-position automatic welding machine according to claim 9, characterized in that: a strip-shaped hole (45) is formed in the mounting bar (43) in the vertical direction, and the bolt (44) penetrates through the strip-shaped hole (45) to be connected with the first mounting block (36).
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| CN114012328A (en) * | 2021-11-27 | 2022-02-08 | 舜元建设(集团)有限公司 | Conveying pipeline welding device and method |
| CN114131258A (en) * | 2021-12-03 | 2022-03-04 | 广州市泰基工程技术有限公司 | Automatic welding pile splicing device for precast tubular piles and using method thereof |
| CN114856279A (en) * | 2022-04-28 | 2022-08-05 | 中交一公局集团有限公司 | Built-in antidetonation is fallen and is fallen automatic weld assembled steel construction |
| CN114952118A (en) * | 2022-07-08 | 2022-08-30 | 成都熊谷加世电器有限公司 | Pipeline welding workstation and running gear |
| CN115178841A (en) * | 2022-01-14 | 2022-10-14 | 一重集团大连核电石化有限公司 | Can be through TIG welding carriage of walking certainly of circumference slit |
| CN115555779A (en) * | 2022-09-27 | 2023-01-03 | 众智机械(临沂)有限公司 | Automatic welding robot for large-diameter pipeline |
| CN116352226A (en) * | 2023-03-10 | 2023-06-30 | 中国机械总院集团哈尔滨焊接研究所有限公司 | Hand-held type inner wall all-position welding argon arc surfacing machine |
| CN116408580A (en) * | 2023-04-18 | 2023-07-11 | 武汉高能激光设备制造有限公司 | Open type pipeline all-position welding device |
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| CN115555779A (en) * | 2022-09-27 | 2023-01-03 | 众智机械(临沂)有限公司 | Automatic welding robot for large-diameter pipeline |
| CN116352226A (en) * | 2023-03-10 | 2023-06-30 | 中国机械总院集团哈尔滨焊接研究所有限公司 | Hand-held type inner wall all-position welding argon arc surfacing machine |
| CN116408580A (en) * | 2023-04-18 | 2023-07-11 | 武汉高能激光设备制造有限公司 | Open type pipeline all-position welding device |
| CN116408580B (en) * | 2023-04-18 | 2023-09-19 | 武汉高能激光设备制造有限公司 | Open type pipeline all-position welding device |
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