CN116214015A - Welding seam trimming device for pipeline welding - Google Patents
Welding seam trimming device for pipeline welding Download PDFInfo
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- CN116214015A CN116214015A CN202211678597.6A CN202211678597A CN116214015A CN 116214015 A CN116214015 A CN 116214015A CN 202211678597 A CN202211678597 A CN 202211678597A CN 116214015 A CN116214015 A CN 116214015A
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- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 159
- 238000009966 trimming Methods 0.000 title claims abstract description 15
- 238000007667 floating Methods 0.000 claims description 23
- 239000000428 dust Substances 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 11
- 230000006837 decompression Effects 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 230000008439 repair process Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000002341 toxic gas Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003371 toe Anatomy 0.000 description 1
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Classifications
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
- B23K37/0217—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track the guide member being fixed to the workpiece
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention belongs to the technical field of welding, in particular to a welding seam trimming device for pipeline welding, which comprises a fixing device, wherein a filling inner ring pad is clamped at the axis of an inner cavity of the fixing device, one side of the inner cavity of the filling inner ring pad is fixedly connected with an inflation through pipe, and the inner wall of the filling inner ring pad and the surface of a pipe body are mutually extruded. When the device is used for carrying out repair welding work of a pipeline connecting point, the device can be arranged on the outer surface of a pipeline, and the welding device at two ends automatically carries out repair welding work on an annular welding line so as to carry out repair welding work on the welding line of the pipeline connecting point.
Description
Technical Field
The invention belongs to the technical field of welding, and particularly relates to a welding seam trimming device for pipeline welding.
Background
The welding technology is widely used in the fields of machinery, electronics and the like, and is a processing technology for joining metal weldments by heating, high temperature or high pressure. The welding piece can form a welding seam after welding processing, the welding seam has a certain influence on the overall aesthetic property of the welding piece, and for some special welding pieces, the residual height of the welding seam (the height of the metal on the connecting line of two welding toes on the surface of the welding seam) can also have corresponding specification range requirements.
In the process of pipeline welding, two unconnected pipelines are required to be welded together to form a new long pipe in a combined mode, but due to the welding technology, a large welding seam is likely to appear at a connecting node after preliminary welding and cannot meet pipeline transportation work due to human or environmental reasons, repair welding work is required, the repair welding work is very troublesome, and because welding work is performed again on a part where the welding seam does not appear, welding flux at the pipeline node is not only unevenly distributed, but also can prevent the welding work from being performed, welding personnel are further enabled to perform skip welding, and smaller welding seams are likely to appear at the pipeline, so improvement is required.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the technical problems by adopting the following technical scheme: the welding seam trimming device for pipeline welding comprises a fixing device, wherein a filling inner ring pad is clamped at the axis of an inner cavity of the fixing device, one side of the inner cavity of the filling inner ring pad is fixedly connected with an inflation through pipe, and the inner wall of the filling inner ring pad and the surface of a pipe body are mutually extruded; the fixing device comprises a guide side ring, a connecting side ring is fixedly connected to one side, close to the inflation tube, of the surface of the guide side ring, a bent connecting arm is slidably connected to the middle part, far away from one side of the connecting side ring, of the inner cavity of the guide side ring, a welding device is fixedly connected to the top end of the bent connecting arm, a fixing ring shell is slidably connected to the inner cavity of the guide side ring, arc-shaped inserted rods are slidably connected to the two sides of the inner cavity of the connecting side ring, and a refitted connecting rod is fixedly connected to the middle part of the inner cavity of the connecting side ring; when the device is used for repairing welding on a connecting node part of a pipeline, the guide side rings on the upper side and the lower side are sleeved on the outer surface of the pipeline respectively, after the guide side rings on the upper side and the lower side are sleeved, the arc-shaped inserted rod of the inner cavity of the connecting side ring slides downwards, the bottom end of the arc-shaped inserted rod is inserted into the inner part of the connecting side ring below the arc-shaped inserted rod and is further inserted into a refitted connecting rod, the guide side rings on the upper side and the lower side are fixed with the connecting side ring at the moment, if the diameter of the pipeline is smaller, after the fixing device is combined and installed, the inner cavity of the filling inner ring pad is inflated through the inflation tube, and at the moment, the filling inner ring pad fills a gap between the guide side ring and the outer surface of the pipeline body, so that the fixing device is prevented from loosening.
Preferably, the top of the inner cavity of the bent connecting arm is fixedly connected with a parallel supporting plate, two sides of the bottom of the surface of the parallel supporting plate are fixedly connected with a buffer bottom shell, the bottom of the inner cavity of the buffer bottom shell is fixedly connected with a vertical pushing plate, the top of the vertical pushing plate is fixedly connected with a pressing end rod, the top of the pressing end rod is fixedly connected with a torsion motor through a connecting wire, and the surface of an output shaft of the torsion motor is in sliding connection with the inner cavity of the guide side ring; when welding work is carried out, although the bent connecting arm rotates circumferentially around the guide side ring, the rotating circle center of the parallel supporting plate can possibly deviate from the axis of the pipeline, at the moment, the parallel supporting plate has a section of motion track close to the outer surface of the pipeline in the rotating process, at the moment, the vertical pushing plate at the bottom of the inner cavity of the buffer bottom shell can be extruded with the outer surface of the pipeline, the pressing end rod is pushed upwards, the pressing end rod starts the torsion motor through a lead, and then the torsion motors at two sides stop working. The device is in the in-process of carrying out welding work, if installation mistake leads to the rotation centre of a circle of parallel backup pad to take place the skew with the axle center of pipeline, and the welding end can not only separate with the surface of pipeline this moment, still probably takes place the extrusion with the opposite side of pipeline to cause the problem that the welding end damaged, so installed the buffering drain pan in the both sides of parallel backup pad, when the aforesaid skew problem appears, torsion motor can automatic stop rotate, welding set stops rotating welding work, the welding end of protection device.
Preferably, the axle center department fixedly connected with control of parallel backup pad surface bottom draws a section of thick bamboo, the bottom fixedly connected with flexible piston of the output shaft of control draws a section of thick bamboo, the equal fixedly connected with in both sides of flexible piston bottom draws the area, the surface sliding connection of flexible piston has an axle center shell, the surface sliding connection of axle center shell has a cluster plate, the equal fixedly connected with getter device in both sides of cluster plate surface, the welding end has been cup jointed to the one end that draws the area to keep away from the axle center shell, the top rotation of welding end is connected with flexible connecting rod. After the fixing device is installed, the fixing device is ready for welding, the shading shells on two sides are pressed downwards to one side close to the pipe body, at the moment, the bent connecting arms are shortened until the bottom ends of the welding ends can be in contact with gaps of welding joints, at the moment, the bent connecting arms are locked and fixed, the length of the bent connecting arms is kept, then the fixing device is started, the torsion motor at the bottom ends of the bent connecting arms rotates to output shafts, the inner cavity of the guide side ring rotates, and because the clamping of the fixing ring shell is fixed, the torsion motor pulls the fixing ring shell and the bent connecting arms to slide around the inner cavity sliding grooves of the guide side ring due to the reaction friction force, and then the welding ends on two sides can rotate around the annular joints.
Preferably, the number of the fixing devices is two, each fixing device internally comprises two guide side rings, the surface of the filling inner ring pad is clamped with the axle center of the surface of the guide side rings through a slot, the top end of the arc-shaped inserted rod is fixedly connected with a connecting spring belt, and the bottom end of the arc-shaped inserted rod extends to the inside of the refitted connecting rod. When welding work, the torsion motor slowly controls the welding device to rotate around the outer surface of the pipe body, at the moment, the control pull cylinder can pull the telescopic piston to slide upwards along the axis housing, and then the traction pull belts at two sides are pulled into the telescopic piston, then the traction pull belts pull the welding end at the corresponding side, the welding end rotates along the bottom rotating shaft of the telescopic connecting rod, and the position of the welding point is adjusted to be used for welding the welding seam with larger welding gap. The device can avoid the problem that the device can not be fastened on the outer surface of the pipeline due to overlarge gap between the inner cavity of the guide side ring and the outer surface of the pipeline in a mode of filling the inner ring pad by inflation, and the problem that the welding devices on two sides always keep symmetrical positions in the inner cavity of the guide side ring due to the fact that the inner cavity of the guide side ring is connected with the fixed ring shell in a sliding manner, and the fixed ring shell can prevent the two side bent connecting arms from rear-end collision due to different rotating speeds in the spliced inner cavity of the guide side ring.
Preferably, the modified connecting rod comprises a hollow arc-shaped shell, wherein both sides of the inner cavity of the hollow arc-shaped shell are slidably connected with a floating sliding shell through vertical slots, one side, close to the guide side ring, of the inner cavity of the floating sliding shell is fixedly connected with a plug-in round head, one end, close to the guide side ring, of the floating sliding shell is fixedly connected with a compression spring, and one end, far away from the guide side ring, of the floating sliding shell is fixedly connected with a side decompression rod. After the welding is finished, the device needs to be taken down from the outer surface of pipeline, the clamping effect of arc inserted bar needs to be relieved, operating personnel inwards presses the side decompression bar from both sides, the side decompression bar promotes the smooth shell that floats to the inner chamber of hollow arc shell and slides this moment, the surface of arc inserted bar and the joint separation of smooth shell inner chamber that floats, and then the spring area through the top upwards pulls the arc inserted bar of both sides, the arc inserted bar is slipped out from the inner chamber of hollow arc shell this moment, the connection side ring separation of upper and lower both sides, and then accomplish the dismantlement work of the device. The inner cavity of the floating sliding shell is spliced with the groove on the surface of the arc-shaped inserted rod through the splicing round head, one end of the lateral decompression rod, far away from the arc-shaped inserted rod, extends to the outside of the fixed ring shell through the through hole, the surface of the arc-shaped inserted rod is in sliding connection with the inner cavity of the floating sliding shell, and one end of the compression spring, far away from the floating sliding shell, is fixedly connected with the inner cavity of the fixed ring shell. When the device is used for carrying out repair welding work of a pipeline connecting point, the device can be arranged on the outer surface of a pipeline, and the welding device at two ends automatically carries out repair welding work on an annular welding line so as to carry out repair welding work on the welding line of the pipeline connecting point.
Preferably, the bottom of welding end and the surface sliding connection of body, the top fixedly connected with of parallel backup pad surface moves the device, the top fixedly connected with shading shell of device that moves, the surface of expansion link and the inner chamber sliding connection of bundling board, thrust spring has been cup jointed at the top on expansion link surface, the axle center department of bundling board surface and the one end fixedly connected with of parallel backup pad keeping away from shading shell, the device that moves includes rectangular shell, the equal fixedly connected with rotor motor in both sides of rectangular shell inner chamber axle center department, and rotor motor output shaft's surface fixedly connected with grafting rotary drum, the surface of grafting rotary drum is connected with the rotation push rod through three linking plates, the axle center department sliding connection of rectangular shell inner chamber bottom has vertical push rod, the equal fixedly connected with orifice board in the both sides of rectangular shell inner chamber, one side fixedly connected with hollow folding shell of orifice board surface keeping away from grafting rotary drum. In the welding process, rotor motors on two sides of the inner cavity of the strip-shaped shell continuously control the inserting rotary drum to rotate, the inserting rotary drum periodically pushes the vertical push rod through the rotary push rod on the outer surface, and then the vertical push rod presses the axle center shell, so that the axle center shell slides to one side close to the surface of the pipe body, at the moment, the axle center shell can pull welding ends on two sides to one side close to the pipe body through the traction pull belt, and then the telescopic connecting rod pulls back the welding ends, so that the welding ends of the welding ends perform spot welding on welding seams of pipe joints, and repeated welding on welded positions is avoided.
Preferably, the number of the hollow folding shells is two, one end of the hollow folding shell, which is far away from the jet plate, is fixedly connected with one end of the inner cavity of the strip shell, the surface of the rotary push rod is in sliding connection with the surface of the jet plate, the surface of the rotary push rod is in sliding connection with the top end of the vertical push rod, the bottom end of the vertical push rod is fixedly connected with the top end of the axle center shell, and one end of the strip shell, which is far away from the parallel support plate, is fixedly connected with the middle part of the inner cavity of the shading shell. When the rotary push rod rotates, the jet hole plates at two sides can be periodically pushed, at the moment, the jet hole plates compress the hollow folding shell, gas in the inner cavity of the hollow folding shell enters the middle part of the inner cavity of the long shell through the jet hole plates, and then the gas acts on the outer surface of the rotor motor through openings at the front side and the rear side of the middle part of the long shell, so that the rotor motor can quickly dissipate heat due to the flowing of the gas when in operation. In the welding process, the welding end can carry out spot welding operation on the welding seam of the pipe body node under the control action of the vertical push rod, repeated welding on the welded position is avoided, the problems of thicker welding flux accumulation and uneven pipe body thickness are avoided, and the long-strip shell can continuously carry out heat dissipation operation on the long-strip shell in the rotor motor operation process, so that the rotor motor can continuously work for a long time without overheating burnout.
Preferably, the getter device comprises a fixed top frame, one end of the fixed top frame, which is close to the welding end, is fixedly connected with a guiding spray shell, the middle part of the inner cavity of the fixed top frame is rotationally connected with a turbine rotating rod, the axle center of the inner cavity of the turbine rotating rod is rotationally connected with a rotating motor through a torque rod, both sides of the inner cavity of the guiding spray shell are fixedly connected with dust collection sliding plates, and the surface of the fixed top frame is fixedly connected with the side surfaces of the bundling plates. The air inlet groove is formed in the axis of the bottom of the inner cavity of the guide spray shell, the surface of the turbine rotating rod is in sliding connection with the inner cavity of the fixed top frame through a thread groove, the surface of the rotating motor is fixedly connected with the inner cavity of the fixed top frame, and the surface of the dust collection sliding plate is in sliding connection with the inner cavity of the fixed top frame through a sliding groove. When the welding work is carried out on the suction devices on two sides, the rotating motor of the inner cavity can control the turbine rotating rod to automatically advance, toxic gas generated by welding is absorbed into the guide spray shell, and because the gas enters two sides of the inner cavity of the fixed top frame under the drainage effect of the lower surface of the fixed top frame when passing through the gap of the bottom of the fixed top frame, the dust collection sliding plate can adsorb particles in the gas and adhere to the surface of the dust collection sliding plate, and when the dust collection sliding plate is maintained, the dust collection sliding plate is only required to be pulled out and then replaced, so that the problem that the surface of the turbine rotating rod is easy to adhere to a large amount of solid particles to be corroded is avoided, and the service life of the device is prolonged.
The beneficial effects of the invention are as follows:
1. when the device is used for carrying out repair welding work of a pipeline connecting point, the device can be arranged on the outer surface of a pipeline, and the welding device at two ends automatically carries out repair welding work on an annular welding line so as to carry out repair welding work on the welding line of the pipeline connecting point.
2. The device can avoid the problem that the device can not be fastened on the outer surface of the pipeline due to overlarge gap between the inner cavity of the guide side ring and the outer surface of the pipeline in a mode of filling the inner ring pad by inflation, and the problem that the welding devices on two sides always keep symmetrical positions in the inner cavity of the guide side ring due to the fact that the inner cavity of the guide side ring is connected with the fixed ring shell in a sliding manner, and the fixed ring shell can prevent the two side bent connecting arms from rear-end collision due to different rotating speeds in the spliced inner cavity of the guide side ring.
3. The device is in the in-process of carrying out welding work, if installation mistake leads to the rotation centre of a circle of parallel backup pad to take place the skew with the axle center of pipeline, and the welding end can not only separate with the surface of pipeline this moment, still probably takes place the extrusion with the opposite side of pipeline to cause the problem that the welding end damaged, so installed the buffering drain pan in the both sides of parallel backup pad, when the aforesaid skew problem appears, torsion motor can automatic stop rotate, welding set stops rotating welding work, the welding end of protection device.
4. In the welding process, the welding end can carry out spot welding operation on the welding seam of the pipe body node under the control action of the vertical push rod, repeated welding on the welded position is avoided, the problems of thicker welding flux accumulation and uneven pipe body thickness are avoided, and the long-strip shell can continuously carry out heat dissipation operation on the long-strip shell in the rotor motor operation process, so that the rotor motor can continuously work for a long time without overheating burnout.
5. When the welding work is carried out on the suction devices on two sides, the rotating motor of the inner cavity can control the turbine rotating rod to automatically advance, toxic gas generated by welding is absorbed into the guide spray shell, and because the gas enters two sides of the inner cavity of the fixed top frame under the drainage effect of the lower surface of the fixed top frame when passing through the gap of the bottom of the fixed top frame, the dust collection sliding plate can adsorb particles in the gas and adhere to the surface of the dust collection sliding plate, and when the dust collection sliding plate is maintained, the dust collection sliding plate is only required to be pulled out and then replaced, so that the problem that the surface of the turbine rotating rod is easy to adhere to a large amount of solid particles to be corroded is avoided, and the service life of the device is prolonged.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the fixture of the present invention;
FIG. 4 is a cross-sectional view of the light shield housing of the present invention;
FIG. 5 is a schematic view of the structure of the parallel support plate of the present invention;
FIG. 6 is a cross-sectional view of a retrofit connecting rod of the present invention;
FIG. 7 is a cross-sectional view of the elongated housing of the present invention;
figure 8 is a cross-sectional view of the aspirator of the present invention.
In the figure: 1. a fixing device; 11. a guide side ring; 12. bending the connecting arm; 13. a fixed ring shell; 14. connecting the side rings; 15. arc-shaped inserted bars; 2. a welding device; 21. a parallel support plate; 22. a buffer bottom case; 23. a vertical push plate; 24. pressing the end rod; 25. a torsion motor; 26. a light shielding housing; 3. a cluster plate; 31. an axle housing; 32. a telescoping piston; 33. controlling a pull cylinder; 34. pulling the drawstring; 35. a telescopic connecting rod; 36. welding the end heads; 6. refitting the connecting rod; 61. a hollow arcuate shell; 62. a buoyant slide shell; 63. a lateral decompression rod; 64. filling an inner ring pad; 65. an inflation through pipe; 4. a click device; 41. a strip housing; 42. a plug-in rotary drum; 43. rotating the push rod; 44. a vertical push rod; 45. a jet plate; 46. a hollow folding shell; 5. an air suction device; 51. fixing a top frame; 52. guiding the spray shell; 53. a dust collection sliding plate; 54. a rotating motor; 55. a turbine rotating rod.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a welding seam trimming device for pipeline welding, includes fixing device 1, and the axle center department joint in fixing device 1 inner chamber has filling inner ring pad 64, and one side of filling inner ring pad 64 inner chamber is fixedly connected with inflation siphunculus 65, and the inner wall of filling inner ring pad 64 extrudes each other with the surface of body;
the fixing device 1 comprises a guide side ring 11, a connecting side ring 14 is fixedly connected to one side, close to the inflation tube 65, of the surface of the guide side ring 11, a bent connecting arm 12 is slidably connected to the middle part of one side, far away from the connecting side ring 14, of the inner cavity of the guide side ring 11, a welding device 2 is fixedly connected to the top end of the bent connecting arm 12, a fixing ring shell 13 is slidably connected to the inner cavity of the guide side ring 11, arc-shaped inserted rods 15 are slidably connected to two sides of the inner cavity of the top connecting side ring 14, and a refitted connecting rod 6 is fixedly connected to the middle part of the inner cavity of the bottom connecting side ring 14;
the top of the inner cavity of the bent connecting arm 12 is fixedly connected with a parallel supporting plate 21, two sides of the bottom of the surface of the parallel supporting plate 21 are fixedly connected with a buffer bottom shell 22, the bottom of the inner cavity of the buffer bottom shell 22 is fixedly connected with a vertical push plate 23, the top end of the vertical push plate 23 is fixedly connected with a pressing end rod 24, the top end of the pressing end rod 24 is fixedly connected with a torsion motor 25 through a connecting wire, and the surface of the output shaft of the torsion motor 25 is in sliding connection with the inner cavity of the guide side ring 11;
the axle center department fixedly connected with control pull tube 33 of parallel backup pad 21 surface bottom, the bottom fixed connection flexible piston 32 of the output shaft of control pull tube 33, the both sides of flexible piston 32 bottom all fixedly connected with pulls the area 34, the surface sliding connection of flexible piston 32 has axle center shell 31, the surface sliding connection of axle center shell 31 has cluster plate 3, the both sides on cluster plate 3 surface all fixedly connected with getter device 5, the welding end 36 has been cup jointed to the one end that pulls the area 34 and keep away from axle center shell 31, the top rotation of welding end 36 is connected with flexible connecting rod 35.
The number of the fixing devices 1 is two, two guide side rings 11 are arranged in each fixing device 1, the surfaces of the filling inner ring gaskets 64 are clamped with the axle center of the surfaces of the guide side rings 11 through slots, the top ends of the arc-shaped inserted rods 15 are fixedly connected with connecting spring bands, and the bottom ends of the arc-shaped inserted rods 15 extend to the inside of the refitted connecting rods 6.
The refitted connecting rod 6 comprises a hollow arc-shaped shell 61, wherein both sides of the inner cavity of the hollow arc-shaped shell 61 are slidably connected with a floating sliding shell 62 through vertical slots, one side, close to the guide side ring 11, of the inner cavity of the floating sliding shell 62 is fixedly connected with a plug-in round head, one end, close to the guide side ring 11, of the floating sliding shell 62 is fixedly connected with a compression spring, and one end, far away from the guide side ring 11, of the floating sliding shell 62 is fixedly connected with a side pressure release rod 63.
The inner cavity of the floating sliding shell 62 is spliced with the groove on the surface of the arc-shaped inserted rod 15 through the splicing round head, one end of the side-position decompression rod 63, far away from the arc-shaped inserted rod 15, extends to the outside of the fixed ring shell 13 through the through hole, the surface of the arc-shaped inserted rod 15 is in sliding connection with the inner cavity of the floating sliding shell 62, and one end of the compression spring, far away from the floating sliding shell 62, is fixedly connected with the inner cavity of the fixed ring shell 13.
The bottom of the welding end 36 is in sliding connection with the surface of the pipe body, the top of the surface of the parallel support plate 21 is fixedly connected with a inching device 4, the top of the inching device 4 is fixedly connected with a shading shell 26, the surface of the telescopic connecting rod 35 is in sliding connection with the inner cavity of the cluster plate 3, the top of the surface of the telescopic connecting rod 35 is sleeved with a thrust spring, and the axis of the surface of the cluster plate 3 is fixedly connected with one end of the parallel support plate 21, which is far away from the shading shell 26.
When the device is used for repairing welding on the connecting node of the pipeline, the guide side rings 11 on the upper side and the lower side are sleeved on the outer surface of the pipeline respectively, after the guide side rings 11 on the upper side and the lower side are sleeved, the arc-shaped inserted rod 15 in the inner cavity of the connecting side ring 14 slides downwards, at the moment, the bottom end of the arc-shaped inserted rod 15 is inserted into the connecting side ring 14 below, and then is inserted into the refitted connecting rod 6, at the moment, the guide side rings 11 on the upper side and the lower side are fixed with the connecting side ring 14, if the diameter of the pipeline is smaller, after the fixing device 1 is combined and installed, the inner cavity filled with the inner ring cushion 64 is inflated through the inflation tube 65, at the moment, the gap between the guide side ring 11 and the outer surface of the pipeline is filled with the inner ring cushion 64, and the fixing device 1 is prevented from loosening.
After the fixing device 1 is installed, the fixing device is ready for welding, the shading shells 26 on two sides are pressed down to one side close to the pipe body, at the moment, the bending connecting arms 12 are shortened until the bottom ends of the welding ends 36 can be in contact with gaps of welding joints, at the moment, the bending connecting arms 12 are locked and fixed, the length of the bending connecting arms 12 is kept, then the fixing device is started, the torsion motor 25 at the bottom ends of the bending connecting arms 12 rotates to output shafts, rotates along the inner cavity of the guide side ring 11, and because the clamping of the fixing ring shell 13 is fixed, the torsion motor 25 pulls the fixing ring shell 13 and the bending connecting arms 12 to slide around the inner cavity sliding grooves of the guide side ring 11 due to reaction friction force, so that the welding ends 36 on two sides can rotate around the annular joints.
During welding, the torsion motor 25 slowly controls the welding device 2 to rotate around the outer surface of the pipe body, at the moment, the control pull cylinder 33 can pull the telescopic piston 32 to slide upwards along the axis housing 31, further the traction pull belts 34 on two sides are retracted and pulled into the telescopic piston 32, then the traction pull belts 34 pull the welding end heads 36 on the corresponding sides, the welding end heads 36 rotate along the bottom end rotating shaft of the telescopic connecting rod 35, and then the positions of welding points are adjusted to be used for welding the welding seams with larger welding gaps.
During welding, although the bent connecting arm 12 rotates circumferentially around the guide side ring 11, the center of the rotation circle of the parallel support plate 21 may deviate from the axis of the pipeline, and at this time, in the process of rotation of the parallel support plate 21, a section of motion track near the outer surface of the pipeline exists, at this time, the vertical push plate 23 at the bottom of the inner cavity of the buffer bottom shell 22 may be extruded with the outer surface of the pipeline, so as to push the pressing end rod 24 upwards, and the pressing end rod 24 starts the torsion motor 25 through a wire, so that the torsion motors 25 at two sides stop working, and the problem of deviation in welding is avoided.
After the welding is finished, the device needs to be taken down from the outer surface of the pipeline, the clamping effect of the arc-shaped inserted rod 15 needs to be relieved, an operator presses the side decompression rod 63 inwards from two sides, at the moment, the side decompression rod 63 pushes the floating sliding shell 62 to slide towards the inner cavity of the hollow arc-shaped shell 61, the surface of the arc-shaped inserted rod 15 is separated from the clamping connector of the inner cavity of the floating sliding shell 62, then the arc-shaped inserted rod 15 on two sides is pulled upwards through the spring belt at the top, at the moment, the arc-shaped inserted rod 15 slides out from the inner cavity of the hollow arc-shaped shell 61, and the connecting side rings 14 on the upper side and the lower side are separated, so that the disassembling work of the device is completed.
Example two
Referring to fig. 1-8, the present invention provides a technical solution: on the basis of the first embodiment, the inching device 4 comprises a strip shell 41, both sides of the axis of the inner cavity of the strip shell 41 are fixedly connected with rotor motors, the surface of an output shaft of each rotor motor is fixedly connected with a plug-in rotary drum 42, the surface of each plug-in rotary drum 42 is rotationally connected with a rotary push rod 43 through three connecting plates, the axis of the bottom of the inner cavity of the strip shell 41 is slidably connected with a vertical push rod 44, both sides of the inner cavity of the strip shell 41 are fixedly connected with jet hole plates 45, and one side, far away from the plug-in rotary drum 42, of each jet hole plate 45 is fixedly connected with a hollow folding shell 46.
The number of the hollow folding shells 46 is two, one end of the hollow folding shells 46 away from the jet hole plate 45 is fixedly connected with one end of the inner cavity of the strip shell 41, the surface of the rotary push rod 43 is slidably connected with the surface of the jet hole plate 45, the surface of the rotary push rod 43 is slidably connected with the top end of the vertical push rod 44, the bottom end of the vertical push rod 44 is fixedly connected with the top end of the axle center shell 31, and one end of the strip shell 41 away from the parallel support plate 21 is fixedly connected with the middle part of the inner cavity of the shading shell 26.
The air suction device 5 comprises a fixed top frame 51, one end, close to the welding end 36, of the fixed top frame 51 is fixedly connected with a guiding spray shell 52, the middle part of the inner cavity of the fixed top frame 51 is rotationally connected with a turbine rotating rod 55, the axis of the inner cavity of the turbine rotating rod 55 is rotationally connected with a rotating motor 54 through a torque rod, both sides of the inner cavity of the guiding spray shell 52 are fixedly connected with dust collection sliding plates 53, and the surface of the fixed top frame 51 is fixedly connected with the side faces of the bundling plate 3.
An air inlet groove is formed in the axis of the bottom of the inner cavity of the guide spray shell 52, the surface of the turbine rotating rod 55 is in sliding connection with the inner cavity of the fixed top frame 51 through a thread groove, the surface of the rotating motor 54 is fixedly connected with the inner cavity of the fixed top frame 51, and the surface of the dust collection sliding plate 53 is in sliding connection with the inner cavity of the fixed top frame 51 through a sliding groove.
In the welding process, the rotor motors at two sides of the inner cavity of the strip-shaped shell 41 continuously control the inserting rotary drum 42 to rotate, the inserting rotary drum 42 periodically pushes the vertical push rod 44 through the rotary push rod 43 at the outer surface, so that the vertical push rod 44 presses the axle center shell 31, the axle center shell 31 slides to one side close to the surface of the pipe body, at the moment, the axle center shell 31 pulls the welding ends 36 at two sides to one side close to the pipe body through the traction pull belt 34, and then the telescopic connecting rod 35 pulls the welding ends 36 back again, so that the welding ends 36 end perform spot welding on the welding line of the pipe joint, and repeated welding on the welded position is avoided.
When the push rod 43 rotates, the jet hole plates 45 on two sides are periodically pushed, at this time, the jet hole plates 45 compress the hollow folding shell 46, and the air in the inner cavity of the hollow folding shell 46 enters the middle part of the inner cavity of the long shell 41 through the jet hole plates 45 and then acts on the outer surface of the rotor motor through the openings on the front side and the rear side of the middle part of the long shell 41, so that the rotor motor can quickly dissipate heat due to the flowing of the air when in operation.
When the suction devices 5 on two sides perform welding work, the rotating motor 54 of the inner cavity can control the turbine rotating rod 55 to automatically rotate, toxic gas generated by welding is absorbed into the guide spray shell 52, and the gas enters two sides of the inner cavity of the fixed top frame 51 under the drainage effect of the lower surface of the fixed top frame 51 when passing through a gap at the bottom of the fixed top frame 51, so that the dust collection sliding plate 53 can absorb particles in the gas and adhere to the surface of the dust collection sliding plate 53, and when maintaining, only the dust collection sliding plate 53 is required to be pulled out, and then replacement work is performed.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (9)
1. The utility model provides a pipeline welded welding seam trimming device, includes fixing device (1), the axle center department joint of fixing device (1) inner chamber has filling inner ring pad (64), one side of filling inner ring pad (64) inner chamber is fixedly connected with and fills pneumatic tube (65), the inner wall of filling inner ring pad (64) extrudees with the surface of body each other, its characterized in that;
the fixing device (1) comprises a guide side ring (11), one side, close to the inflation tube (65), of the surface of the guide side ring (11) is fixedly connected with a connection side ring (14), the middle part, far away from one side of the connection side ring (14), of an inner cavity of the guide side ring (11) is slidably connected with a bending connecting arm (12), the top end of the bending connecting arm (12) is fixedly connected with a welding device (2), the inner cavity of the guide side ring (11) is slidably connected with a fixing ring shell (13), the top of the fixing device is slidably connected with arc-shaped inserted bars (15) on two sides of the inner cavity of the connection side ring (14), and the middle part of the inner cavity of the connection side ring (14) is fixedly connected with a refitted connecting rod (6);
the top of the inner cavity of the bending connecting arm (12) is fixedly connected with a parallel supporting plate (21), two sides of the bottom of the surface of the parallel supporting plate (21) are fixedly connected with a buffer bottom shell (22), the bottom of the inner cavity of the buffer bottom shell (22) is fixedly connected with a vertical pushing plate (23), the top end of the vertical pushing plate (23) is fixedly connected with a pressing end rod (24), the top end of the pressing end rod (24) is fixedly connected with a torsion motor (25) through a connecting wire, and the surface of an output shaft of the torsion motor (25) is in sliding connection with the inner cavity of the guide side ring (11);
the utility model discloses a flexible connecting rod device for the electric motor of the electric motor car, including parallel backup pad (21), control draw a section of thick bamboo (33) of axle center department fixedly connected with of surface bottom, the bottom fixed connection flexible piston (32) of the output shaft of control draw a section of thick bamboo (33), the both sides of flexible piston (32) bottom are all fixedly connected with and draw stretching strap (34), the surface sliding connection of flexible piston (32) has axle center shell (31), the surface sliding connection of axle center shell (31) has bundling plate (3), the both sides on bundling plate (3) surface are all fixedly connected with getter device (5), the one end that draws stretching strap (34) to keep away from axle center shell (31) has cup jointed welding end (36), the top rotation of welding end (36) is connected with expansion connecting rod (35).
2. A seam trimming device for pipe welding according to claim 1, wherein: the number of the fixing devices (1) is two, two guide side rings (11) are arranged in each fixing device (1), the surfaces of the inner filling ring gaskets (64) are clamped with the axle center of the surfaces of the guide side rings (11) through slots, the top ends of the arc-shaped inserted rods (15) are fixedly connected with connecting spring bands, and the bottom ends of the arc-shaped inserted rods (15) extend to the inside of the refitted connecting rods (6).
3. A seam trimming apparatus for pipe welding as defined in claim 2, wherein: the modified connecting rod (6) comprises a hollow arc-shaped shell (61), wherein both sides of an inner cavity of the hollow arc-shaped shell (61) are respectively connected with a floating sliding shell (62) through vertical slots in a sliding manner, one side, close to a guide side ring (11), of the inner cavity of the floating sliding shell (62) is fixedly connected with a plug-in round head, one end, close to the guide side ring (11), of the floating sliding shell (62) is fixedly connected with a compression spring, and one end, far away from the guide side ring (11), of the floating sliding shell (62) is fixedly connected with a side decompression rod (63).
4. A seam trimming device for pipe welding according to claim 3, wherein: the inner cavity of the floating sliding shell (62) is spliced with the groove on the surface of the arc-shaped inserted rod (15) through the splicing round head, one end, far away from the arc-shaped inserted rod (15), of the lateral decompression rod (63) extends to the outside of the fixed annular shell (13) through the through hole, the surface of the arc-shaped inserted rod (15) is slidably connected with the inner cavity of the floating sliding shell (62), and one end, far away from the floating sliding shell (62), of the compression spring is fixedly connected with the inner cavity of the fixed annular shell (13).
5. A seam trimming device for pipe welding according to claim 1, wherein: the bottom of welding end (36) and the surface sliding connection of body, the top fixedly connected with of parallel backup pad (21) surface moves device (4), the top fixedly connected with of device (4) is moved and is shielded shell (26), the surface and the inner chamber sliding connection of bunching board (3) of flexible connecting rod (35), thrust spring has been cup jointed at the top on flexible connecting rod (35) surface, the axle center department and the one end fixed connection that parallel backup pad (21) kept away from shielded shell (26) on bunching board (3) surface.
6. The seam trimming device for pipe welding according to claim 5, wherein: the inching device (4) comprises a strip-shaped shell (41), rotor motors are fixedly connected to two sides of the inner cavity axis of the strip-shaped shell (41), an inserting rotary drum (42) is fixedly connected to the surface of an output shaft of each rotor motor, a rotary push rod (43) is rotatably connected to the surface of each inserting rotary drum (42) through three connecting plates, a vertical push rod (44) is slidably connected to the axis of the bottom of the inner cavity of the strip-shaped shell (41), jet orifice plates (45) are fixedly connected to two sides of the inner cavity of the strip-shaped shell (41), and a hollow folding shell (46) is fixedly connected to one side, far away from the inserting rotary drum (42), of the surface of each jet orifice plate (45).
7. The seam trimming device for pipe welding according to claim 6, wherein: the number of the hollow folding shells (46) is two, one end of the hollow folding shells (46) away from the jet plate (45) is fixedly connected with one end of the inner cavity of the strip-shaped shell (41), the surface of the rotary push rod (43) is in sliding connection with the surface of the jet plate (45), the surface of the rotary push rod (43) is in sliding connection with the top end of the vertical push rod (44), the bottom end of the vertical push rod (44) is fixedly connected with the top end of the axle center shell (31), and one end of the strip-shaped shell (41) away from the parallel support plate (21) is fixedly connected with the middle part of the inner cavity of the shading shell (26).
8. A seam trimming device for pipe welding according to claim 1, wherein: the air suction device (5) comprises a fixed top frame (51), one end, close to a welding end (36), of the fixed top frame (51) is fixedly connected with a guide spray shell (52), the middle part of an inner cavity of the fixed top frame (51) is rotationally connected with a turbine rotating rod (55), the axis of the inner cavity of the turbine rotating rod (55) is rotationally connected with a rotating motor (54) through a torque rod, two sides of the inner cavity of the guide spray shell (52) are fixedly connected with dust collection sliding plates (53), and the surface of the fixed top frame (51) is fixedly connected with the side faces of the bundling plates (3).
9. The seam trimming device for pipe welding according to claim 8, wherein: an air inlet groove is formed in the axis of the bottom of the inner cavity of the guide spray shell (52), the surface of the turbine rotary rod (55) is in sliding connection with the inner cavity of the fixed top frame (51) through a thread groove, the surface of the rotary motor (54) is fixedly connected with the inner cavity of the fixed top frame (51), and the surface of the dust collection sliding plate (53) is in sliding connection with the inner cavity of the fixed top frame (51) through a sliding groove.
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| CN116214015B (en) | 2023-11-10 |
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