CN115070292B - Automatic pipe fitting welding equipment for oil and gas pipeline - Google Patents
Automatic pipe fitting welding equipment for oil and gas pipeline Download PDFInfo
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- CN115070292B CN115070292B CN202211002359.3A CN202211002359A CN115070292B CN 115070292 B CN115070292 B CN 115070292B CN 202211002359 A CN202211002359 A CN 202211002359A CN 115070292 B CN115070292 B CN 115070292B
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- 238000003466 welding Methods 0.000 title claims abstract description 78
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 238000001125 extrusion Methods 0.000 claims description 52
- 230000007246 mechanism Effects 0.000 claims description 30
- 230000002457 bidirectional effect Effects 0.000 claims description 21
- 238000005498 polishing Methods 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 10
- 238000003825 pressing Methods 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 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
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
-
- 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
Abstract
The invention relates to the technical field of pipe welding, in particular to automatic pipe welding equipment for an oil-gas pipeline. The roundness sizes of two pipe fittings can not be detected when welding by the conventional pipe fittings, the phenomenon that welding points are not firm easily appears after welding by slightly bent or sunken round pipes needs to be reworked, the firmness of pipe fitting welding is reduced, and the welding effect is reduced. The detection device adopted by the automatic welding equipment for the pipe fittings for the oil and gas pipeline can detect the contact ends of the two pipe fittings before the two pipe fittings are welded, detect whether the roundness size of the pipe fittings is qualified or not, and avoid welding the pipe fittings with bulges or depressions together, thereby reducing the subsequent rework steps and improving the welding effect of the pipe fittings.
Description
Technical Field
The invention relates to the technical field of pipe fitting welding, in particular to automatic pipe fitting welding equipment for an oil-gas pipeline.
Background
Pipelines are devices for transporting gases, liquids or fluids with solid particles, which are connected by pipes, pipe connectors, valves, etc., and oil and gas pipelines are mainly used for transporting oil and natural gas.
The method is simple and flexible to operate and is suitable for factory workshops and construction sites, but the method cannot detect the roundness sizes of the two pipe fittings during welding, the phenomenon that welding points are not firm easily occurs after the slightly bent or sunken circular pipes are welded, rework treatment needs to be performed, the steps of pipe fitting welding are increased, the firmness of pipe fitting welding is reduced, and the welding effect is reduced.
The method also needs manual alignment adjustment of the contact ends of the two pipe fittings, so that the time required for pipe fitting welding alignment is increased, and the pipe fitting welding speed is reduced.
Disclosure of Invention
The technical problem to be solved is as follows: the automatic welding equipment for the pipe fitting for the oil and gas pipeline, provided by the invention, can solve the problems existing in the welding process of the pipe fitting.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme that the automatic welding equipment for the pipe fittings for the oil-gas pipeline comprises a bottom plate, a placing device, a detecting device and a welding device, wherein the placing device is symmetrically arranged at the left and right of the upper end of the bottom plate, a rectangular groove is formed in the middle of the upper end of the bottom plate, the detecting device is arranged in the rectangular groove, the welding device is connected to the rear of the detecting device, and the welding device is fixedly connected with the bottom plate.
Detection device includes and installs through the push rod seat two-way electric putter in the rectangular channel, two sliding blocks are installed to two-way electric putter left and right ends symmetry, the annular slab is installed to the sliding block upper end, the annular slab opposite face is close to upside department and installs spacing frame, spacing frame is opening U type structure up, the guide way has all been seted up to the inside wall around the spacing frame, the guide way is kept away from the one end at spacing frame middle part and is seted up a plurality of evenly distributed's spacing through-hole, sliding connection has the rectangular block between two guide ways around, the gag lever post is worn to be equipped with in the rectangular block middle part, gag lever post and rectangular block sliding fit, the gag lever post is pegged graft with spacing through-hole and is cooperated, the annular slab is kept away from to the rectangular block one end and is installed the L template, L template horizontal segment four corners department all slides through connection has the guide post, observation opening has been seted up at L template horizontal segment middle part, a plurality of same L template links to the guide post lower extreme installs detection mechanism jointly, guide post periphery cover is equipped with coupling spring, both ends respectively with L template and detection mechanism fixed connection, annular slab looks back mounted has clamping mechanism mutually.
The detection mechanism comprises a plurality of detection frames which are arranged at the lower ends of guide posts and connected with the same L-shaped plate, wherein a placing opening is formed in one end, far away from the annular plate, of each detection frame, a lamp holder is arranged on the upper frame wall of each detection frame, a detection lamp is arranged on each lamp holder, a separation baffle is arranged between the front frame wall and the rear frame wall of each detection frame, two auxiliary plates are symmetrically arranged at the upper end and the lower end of each separation baffle, one side, far away from the annular plate, of each auxiliary plate is provided with a sliding plate, the sliding plate is located in a gap between the detection frame and the separation baffle, a reset spring is arranged between each auxiliary plate and the sliding plate, one end, far away from the auxiliary plate, of each sliding plate is provided with a metal contact plate, the left side and the right side of the lower end of each lamp holder are connected with leads, the two leads respectively penetrate through the two auxiliary plates, the leads penetrating through the sliding plates are fixedly connected with the metal contact plates, the lower end of each detection frame is provided with an L-shaped structure, and one end, far away from the annular plate in the vertical section of each connection plate is rotatably connected with a test roller located below the horizontal section of the connection plate.
As a preferable technical scheme of the invention, the placing device comprises a U-shaped seat arranged at the upper end of the bottom plate, the opening of the U-shaped seat is upward, placing rings are arranged on two side walls of the U-shaped seat, the placing ring close to the annular plate is fixedly connected with the side wall of the U-shaped seat close to the annular plate, the placing ring far away from the annular plate is rotatably connected with the side wall of the U-shaped seat far away from the annular plate, a positioning hole is arranged at one end of the placing ring far away from the annular plate, a squeezing ring is rotatably connected with one end of the placing ring far away from the annular plate, a plurality of uniformly distributed plug-in holes are formed in the squeezing ring, a positioning rod is inserted and matched with the plug-in holes, a plurality of circumferentially uniformly distributed squeezing plates are arranged at one end of the squeezing ring close to the annular plate, a squeezing rod is arranged at one end of the squeezing plate close to the placing ring and is in sliding penetrating fit with the placing ring, a square plate is arranged at one end of the squeezing rod close to the annular plate, a squeezing spring is arranged between the square plate and the outer ring surface of the placing ring, a gear ring is arranged at one end of the placing ring far away from the annular plate, a drive gear ring is arranged at the middle section of the U-in the U-shaped seat, a drive motor is arranged at the upper end of the U-shaped seat, and a drive gear ring is meshed with a drive gear ring.
As a preferred technical scheme, the welding device comprises a supporting plate arranged at the upper end of the bottom plate, a feeding electric push rod is arranged at the front end of the supporting plate, an arc-shaped plate is arranged at the front end of the feeding electric push rod, and a polishing mechanism, a cleaning brush and a welding module are sequentially arranged at the front end of the arc-shaped plate from bottom to top.
As a preferred technical scheme of the invention, the clamping mechanism comprises a clamping bidirectional push rod which is arranged on the back surface of the annular plate through a mounting seat, L-shaped rods are symmetrically arranged at the upper end and the lower end of the clamping bidirectional push rod, a clamping arc plate is arranged at one end of the L-shaped rod, which is far away from the push-out end of the clamping bidirectional push rod, and an anti-skid pad is arranged on the clamping arc plate.
As a preferable technical scheme of the invention, the polishing mechanism comprises a placing seat arranged at the front end of the arc-shaped plate, and a polishing head is inserted into the front end of the placing seat.
As a preferable technical scheme of the invention, a rubber pad is arranged at the inner end of the extrusion rod far away from the annular plate, and a ball is rotatably connected at the inner end of the extrusion rod close to the annular plate.
As a preferable technical scheme of the invention, the extrusion plate is of an arc-shaped structure, and the thickness of the extrusion plate is gradually increased.
As a preferable technical scheme of the invention, a moving plate positioned below the placing seat penetrates through the middle part of the supporting plate, the moving plate is in sliding fit with the supporting plate, and a plurality of auxiliary rollers which are uniformly distributed are rotatably connected on the left end surface and the right end surface of the moving plate.
Has the beneficial effects that: 1. the detection device adopted by the automatic welding equipment for the pipe fittings for the oil and gas pipeline can detect the contact position of the two pipe fittings before the two pipe fittings are welded, so that the phenomenon that the contact ends of the two pipe fittings are deviated is avoided, whether the roundness size of the pipe fittings is qualified or not can be detected, and the pipe fittings with bulges or depressions are prevented from being welded together, so that the subsequent reworking steps are reduced, and the pipe fitting welding effect is improved.
2. The welding device adopted by the automatic welding equipment for the pipe fitting for the oil and gas pipeline can be used for polishing and welding the surface of the pipe fitting on the same equipment, so that rust on the pipe fitting is removed, the contact part of the two pipe fittings is welded more firmly, and the welding effect of the pipe fitting is improved.
3. The placing device adopted by the automatic welding equipment for the pipe fittings for the oil and gas pipeline can clamp the pipe fittings with different sizes in a certain range, and the pipe fittings on the left side and the right side are in a coaxial state, so that the alignment of the two pipe fittings is facilitated, and the time consumed by the alignment of the pipe fittings is reduced.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a perspective view of the present invention from a first perspective.
Fig. 2 is a perspective view of the present invention from a second perspective.
Fig. 3 is a front view of the present invention.
Fig. 4 is a left side view of the present invention.
Fig. 5 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 3 of the present invention.
Fig. 6 is a cross-sectional view of B-B of fig. 4 in accordance with the present invention.
Fig. 7 is an enlarged view of the invention at N in fig. 6.
FIG. 8 is a schematic cross-sectional view of the arrangement of the placing ring, the pressing ring and the positioning rod of the present invention.
Fig. 9 is a schematic perspective view of the welding apparatus of the present invention.
In the figure: 1. a base plate; 2. a placement device; 21. a U-shaped seat; 22. placing a ring; 23. a squeezing ring; 24. positioning a rod; 25. a pressing plate; 26. an extrusion stem; 27. a compression spring; 28. a gear ring; 29. a drive motor; 20. a drive gear; 3. a detection device; 31. a bidirectional electric push rod; 32. a slider; 33. an annular plate; 34. a limiting frame; 35. a rectangular block; 36. a limiting rod; 37. an L-shaped plate; 38. a guide post; 39. a detection mechanism; 391. detecting a frame; 392. a lamp socket; 393. a baffle plate; 394. an auxiliary plate; 395. a sliding plate; 396. a return spring; 397. a connecting plate; 398. a test roller; 30. a clamping mechanism; 301. clamping the bidirectional push rod; 302. an L-shaped rod; 303. clamping the arc plate; 4. a welding device; 41. a support plate; 411. moving the plate; 42. a feed electric push rod; 43. an arc-shaped plate; 44. a polishing mechanism; 441. a placing seat; 442. polishing heads; 45. cleaning brushes; 46. and (7) welding the module.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1-4, an automatic pipe welding device for oil and gas pipelines comprises a bottom plate 1, a placing device 2, a detection device 3 and a welding device 4, wherein the placing device 2 is symmetrically installed at the left and right of the upper end of the bottom plate 1, a rectangular groove is formed in the middle of the upper end of the bottom plate 1, the detection device 3 is installed in the rectangular groove, the welding device 4 is connected to the rear of the detection device 3, and the welding device 4 is fixedly connected with the bottom plate 1.
Referring to fig. 9, the welding device 4 includes a supporting plate 41 installed at the upper end of the bottom plate 1, a feeding electric push rod 42 is installed at the front end of the supporting plate 41, an arc-shaped plate 43 is installed at the front end of the feeding electric push rod 42, and a polishing mechanism 44, a cleaning brush 45 and a welding module 46 are installed at the front end of the arc-shaped plate 43 from bottom to top in sequence.
Referring to fig. 9, the polishing mechanism 44 includes a holder 441 mounted on the front end of the curved plate 43, and a polishing head 442 is inserted into the holder 441.
Referring to fig. 9, a moving plate 411 located below the placing seat 441 penetrates through the middle of the supporting plate 41, the moving plate 411 is in sliding fit with the supporting plate 41, and a plurality of auxiliary rollers which are uniformly distributed are rotatably connected to the left end face and the right end face of the moving plate 411.
Referring to fig. 3 and 9, in an initial state, in operation, the polishing head 442 is manually inserted into the placing seat 441, the polishing head 442 detachably mounted in the placing seat 441 is convenient to replace after the polishing head 442 is used for a period of time, and the moving plate 411 is pushed to the middle of the detecting device 3.
Referring to fig. 6 and 7, the detecting device 3 includes a bidirectional electric push rod 31 installed in the rectangular groove through a push rod seat, two sliding blocks 32 are symmetrically installed at the left and right ends of the bidirectional electric push rod 31, an annular plate 33 is installed at the upper end of the sliding block 32, a limiting frame 34 is installed at a position close to the upper side of the opposite surface of the annular plate 33, the limiting frame 34 is in a U-shaped structure with an upward opening, guide grooves are respectively formed in the front and rear inner side walls of the limiting frame 34, a plurality of uniformly distributed limiting through holes are formed in one end of the guide groove far from the middle of the limiting frame 34, the rectangular block 35 is slidably connected between the front and rear guide grooves, A limiting rod 36 penetrates through the middle of the rectangular block 35, the limiting rod 36 is in sliding fit with the rectangular block 35, the limiting rod 36 is in plug-in fit with a limiting through hole, an L-shaped plate 37 is installed at one end, far away from the annular plate 33, of the rectangular block 35, a guide post 38 is connected to the four corners of the horizontal section of the L-shaped plate 37 in a sliding penetrating mode, an observation opening is formed in the middle of the horizontal section of the L-shaped plate 37, the same L-shaped plate 37 is connected with a plurality of guide posts 38, a detection mechanism 39 is installed at the lower end of the guide post 38, a connecting spring is sleeved on the periphery of the guide post 38, the upper end and the lower end of the connecting spring are fixedly connected with the horizontal section of the L-shaped plate 37 and the detection mechanism 39 respectively, and a clamping mechanism 30 is installed on the back of the annular plate 33.
Referring to fig. 2, 5, 6 and 8, the placing device 2 includes a U-shaped seat 21 installed at the upper end of the bottom plate 1, the opening of the U-shaped seat 21 faces upward, placing rings 22 are respectively installed on two side walls of the U-shaped seat 21, the placing ring 22 close to the annular plate 33 is fixedly connected with the side wall of the U-shaped seat 21 close to the annular plate 33, the placing ring 22 far from the annular plate 33 is rotatably connected with the side wall of the U-shaped seat 21 far from the annular plate 33, a positioning hole is formed in one end of the placing ring 22 far from the annular plate 33, a squeezing ring 23 is rotatably connected to one end of the placing ring 22 far from the annular plate 33, a plurality of uniformly distributed inserting holes are formed in the squeezing ring 23, a positioning rod 24 is inserted into the positioning hole and matched with the inserting holes, a plurality of squeezing plates 25 uniformly distributed in the circumferential direction are installed at one end of the squeezing ring 23 close to the annular plate 33, a squeezing rod 26 is installed at one end of the squeezing plate 25 close to the placing ring 22, the squeezing rod 26 is in sliding through fit with the placing ring 22, a square plate 26 is installed at one end of the annular plate close to the annular plate 33, a driving gear 20 installed at one end of the ring seat, a driving gear 20 close to the annular plate 21 is installed at an output shaft of the driving gear 21, and a motor 29, and a driving gear 20 are installed at an output shaft 29, and a middle of the driving gear 20, and a motor 29, and a motor are installed at the middle of the driving gear seat 21, and a motor 29.
Referring to fig. 6, a rubber pad is mounted at the inner end of the pressing rod 26 far from the annular plate 33, and a ball is rotatably connected at the inner end of the pressing rod 26 near the annular plate 33.
Referring to fig. 5, the pressing plate 25 has an arc-shaped structure, and the thickness of the pressing plate 25 is gradually increased.
Referring to fig. 5, 6, 8 and 9, in specific operation, according to the size of a pipe to be welded, the extrusion ring 23 close to the annular plate 33 is manually rotated, the extrusion ring 23 rotates and drives the extrusion plate 25 to extrude the extrusion rod 26, meanwhile, the corresponding insertion hole on the extrusion ring 23 aligns with the positioning hole on the placement ring 22, then the positioning rod 24 is inserted in the insertion hole and the positioning hole, so as to position the extrusion ring 23, the extrusion ring 23 limits the extrusion rod 26 through the extrusion plate 25, two pipe to be welded are respectively hung to the sides of the two placement rings 22 far away from the annular plate 33 through the crane, the pipe is manually pushed towards the direction of the moving plate 411, the pipe sequentially passes through the two placement rings 22 on the same side and closely contacts with the moving plate 411 through the annular plate 33, the extrusion rods 26 close to the annular plate 33 limit the pipe through balls, meanwhile, rolling friction is generated between the balls and the pipe, and the smoothness of the pipe movement is improved.
Referring to fig. 6, the clamping mechanism 30 includes a clamping bidirectional push rod 301 mounted on the back of the annular plate 33 through a mounting seat, L-shaped rods 302 are symmetrically mounted at the upper and lower ends of the clamping bidirectional push rod 301, a clamping arc plate 303 is mounted at one end of the L-shaped rod 302 away from the push-out end of the clamping bidirectional push rod 301, and an anti-slip pad is disposed on the clamping arc plate 303.
Referring to fig. 5-9, in operation, after a pipe passes through the annular plate 33 and is tightly attached to the moving plate 411, the clamping bidirectional push rod 301 is started, the clamping bidirectional push rod 301 drives the clamping arc plate 303 to move towards the pipe through the upper and lower L-shaped rods 302, the anti-slip pads on the clamping arc plate 303 are tightly attached to the outer surface of the pipe, so as to increase the friction force between the clamping arc plate 303 and the pipe, the rectangular block 35 is manually moved, the rectangular block 35 slides in the guide groove on the limiting frame 34, the rectangular block 35 drives the detection mechanism 39 to move to the upper end of the pipe through the connecting spring at the lower end of the horizontal section of the L-shaped plate 37, the limiting rod 36 is inserted into the corresponding limiting through hole and the rectangular block 35 on the limiting frame 34, so as to limit the rectangular block 35, then the moving plate 411 is manually pulled back, the auxiliary rollers on the moving plate 411 are contacted with the end of the pipe and rotate, so as to facilitate the movement of the moving plate 411, after the moving plate 411 is pulled out from between two pipes, the two-way electric push rod 31 is started, the two-way electric push rod 31 drives the two annular plates 33 to move relatively through the two sliding blocks 32, the annular plates 33 drive the pipes between the two clamping arc plates 303 to move through the two L-shaped rods 302 clamping the two ends of the two-way push rod 301, the two pipes move relatively and cling to each other, the left and right detection mechanisms 39 cling to each other, then the extrusion ring 23 far away from the annular plates 33 is manually rotated, the extrusion ring 23 rotates and drives the extrusion plate 25 to extrude the extrusion rods 26, meanwhile, the corresponding insertion holes in the extrusion ring 23 are aligned with the positioning holes in the placing ring 22, then the positioning rods 24 are inserted into the insertion holes and the positioning holes, so as to position the extrusion ring 23, the extrusion ring 23 limits the extrusion rods 26 through the extrusion plate 25, and the rubber pads on the extrusion rods 26 far away from the annular plates 33 cling to the outer surfaces of the pipes, thereby increased the frictional force between the extrusion ram 26 of keeping away from annular plate 33 and the pipe fitting to spacing the position of pipe fitting, start to press from both sides tight two-way push rod 301, press from both sides tight two-way push rod 301 and drive through upper and lower two L type poles 302 and press from both sides tight arc board 303 and reset to keeping away from the pipe fitting direction, the slipmat that presss from both sides on the tight arc board 303 separates with the pipe fitting.
Referring to fig. 7, the detecting mechanism 39 includes a detecting frame 391 mounted at the lower end of a plurality of guide posts 38 connected to the same L-shaped plate 37, a placing opening is provided at one end of the detecting frame 391 far from the annular plate 33, a lamp holder 392 is mounted on the upper frame wall of the detecting frame 391, a detecting lamp is mounted on the lamp holder 392, a baffle 393 is mounted between the front and rear frame walls of the detecting frame 391, two auxiliary plates 394 are symmetrically mounted at the upper and lower ends of the baffle 393, a sliding plate 395 is disposed on one side of the auxiliary plate 394 far from the annular plate 33, the sliding plate 395 is located in a gap between the detecting frame 391 and the baffle 393, a return spring 396 is mounted between the auxiliary plates 394 and the sliding plate 395, a metal contact plate is mounted at one end of the sliding plate 395 far from the auxiliary plate 394, wires are connected to the left and right sides of the lower end of the lamp holder 392, the two wires respectively penetrate through the two auxiliary plates 394, the wires penetrate through the sliding plate 395 and are fixedly connected to the metal contact plate, a connecting plate 397 is mounted at the lower end of the detecting frame 391, the connecting plate 397 is in an L-shaped structure, and a connecting plate 397 is rotatably connected to one end of the annular plate far from the annular plate 33, and a connecting plate 398 located below the horizontal section.
Referring to fig. 5-9, in specific operation, the existing power source is electrically connected to one side of the lamp holder 392 by a manual operation, after the bidirectional electric push rod 31 is started, the bidirectional electric push rod 31 drives the two annular plates 33 to move relatively through the two sliding blocks 32, the two annular plates 33 drive the rectangular block 35 and the L-shaped plate 37 to move through the limiting frame 34, the L-shaped plate 37 drives the detection frame 391 to move through the guide post 38, the detection frame 391 drives the sliding plate 395 to move, the left and right two opposite sliding plates 395 drive the corresponding two metal contact plates to cling to each other, so that the two lamp holders 392 form an electric circuit and are electrically connected, the power source is started, the detection lamp on the lamp holder 392 is lighted, then the two driving motors 29 are simultaneously started, the driving motor 29 drives the gear ring 28 to rotate through the driving gear 20, the gear ring 28 drives the placing ring 22 far away from the annular plates 33 to rotate, the placing ring 22 drives the pipe fitting to rotate through the rubber pad at the end of the extrusion rod 26, the rotating pipe fittings are contacted with the test roller 398 to drive the test roller 398 to rotate, if the contact ends of the two pipe fittings are not coaxially aligned or the pipe fittings are raised or sunken, the single test roller 398 drives the detection frame 391 to move upwards under the extrusion of the pipe fittings, the connecting spring is compressed to contract, or the detection frame 391 and the test roller 398 move downwards integrally due to gravity, the connecting spring is stretched, the left detection frame 391 and the right detection frame 391 relatively displace up and down, the left metal contact plate and the right metal contact plate are vertically staggered, so that a loop is disconnected, a detection lamp is extinguished, namely, the phenomenon that the interfaces are staggered or the interfaces are incompletely welded after the two pipe fittings are welded can be avoided through the detection mechanism 39, the feeding electric push rod 42 is started after the detection of the contact ends of the two pipe fittings is qualified, and the feeding electric push rod 42 drives the arc-shaped plate 43 to move towards the contact ends of the pipe fittings, the arc 43 drives the polishing head 442, the cleaning brush 45 and the welding module 46 are in contact with the pipe contact end, the polishing head 442 polishes the pipe welding position, rust of the welding position is removed, the cleaning brush 45 cleans the polished rust, the welding module 46 is the existing welding equipment, the welding module 46 performs welding treatment on the welding position of two polished pipes, after the two pipes are welded, the extrusion rod 26 far away from the annular plate 33 is manually released to limit the pipes, the pipes are manually pushed out from the placing ring 22, and welding is completed.
During welding: s1: the manual work rotates the extrusion ring 23 that is close to annular plate 33, extrusion ring 23 rotates and drives extrusion plate 25 and extrudees extrusion stem 26, corresponding spliced eye on the extrusion ring 23 aligns with the locating hole on placing ring 22 simultaneously, then peg graft locating lever 24 in spliced eye and locating hole, thereby fix a position extrusion ring 23, hang two required welded pipe fittings respectively to two and keep away from annular plate 33 place ring 22 sides, the manual work pushes away the pipe fitting to movable plate 411 direction, the pipe fitting passes two of same one side in proper order and places ring 22 and run through annular plate 33 and hug closely with movable plate 411.
S2: start and press from both sides tight two-way push rod 301, it hugs closely with the pipe fitting surface to press from both sides tight two-way push rod 301 through L type pole 302 drive and press from both sides tight arc board 303, artifical removal rectangular block 35, rectangular block 35 drives L type board 37 and slides in the guide way on spacing frame 34, the coupling spring of L type board 37 horizontal segment lower extreme drives detection mechanism 39 and removes to the upper end of pipe fitting, alternate gag lever post 36 again in spacing frame 34 and rectangular block 35, thereby spacing rectangular block 35 carries out, later the manual work is taken out movable plate 411 to the back and is separated, start two-way electric putter 31, two-way electric putter 31 drives two annular plates 33 relative movement through two sliding blocks 32, annular plate 33 drives the pipe fitting removal between two tight arc boards 303 through two L type poles 302 that press from both ends tight two-way push rod 301, two pipe fitting relative movement and hugging closely, control two detection mechanism 39 simultaneously.
S3: the extrusion ring 23 far away from the annular plate 33 is rotated manually, the extrusion ring 23 rotates and drives the extrusion plate 25 to extrude the extrusion rod 26, corresponding spliced eye on the extrusion ring 23 aligns with the locating hole on the placing ring 22, then the locating rod 24 is spliced in the spliced eye and the locating hole, thereby the extrusion ring 23 is located, the extrusion ring 23 is limited to the extrusion rod 26 through the extrusion plate 25, the rubber pad on the extrusion rod 26 far away from the annular plate 33 is clung to the outer surface of the pipe fitting, thereby the friction between the extrusion rod 26 far away from the annular plate 33 and the pipe fitting is increased, and the position of the pipe fitting is limited, the starting clamping bidirectional push rod 301 is started, the clamping bidirectional push rod 301 drives the clamping arc plate 303 to reset to the direction far away from the pipe fitting through the upper and lower two L-shaped rods 302, and the anti-slip mat on the clamping arc plate 303 is separated from the pipe fitting.
S4: the two driving motors 29 are started simultaneously, the driving motors 29 drive the gear ring 28 to rotate through the driving gears 20, the gear ring 28 drives the placing ring 22 far away from the annular plate 33 to rotate, the placing ring 22 drives the pipe fitting to rotate through the rubber pad at the end of the extrusion rod 26, the detection mechanism 39 detects the pipe fitting, after the detection is passed, the feeding electric push rod 42 is started, the feeding electric push rod 42 drives the arc plate 43 to move towards the contact end of the pipe fitting, the arc plate 43 drives the polishing head 442, the cleaning brush 45 and the welding module 46 to be in contact with the contact end of the pipe fitting, the welding head 442 polishes the welding position of the pipe fitting, rust at the welding position is removed, the cleaning brush 45 cleans the polished rust, the welding module 46 is the existing welding equipment, the welding module 46 performs welding treatment on the welding position of the two polished pipe fittings, after the welding of the two pipe fittings is completed, the limiting of the pipe fitting by the extrusion rod 26 far away from the annular plate 33 is manually removed, the pipe fitting is manually pushed out from the placing ring 22, and the welding is completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a pipe fitting automatic weld equipment for oil gas pipeline, includes bottom plate (1), placer (2), detection device (3) and welding set (4), its characterized in that: the placing devices (2) are symmetrically arranged at the left and right sides of the upper end of the bottom plate (1), a rectangular groove is formed in the middle of the upper end of the bottom plate (1), a detection device (3) is arranged in the rectangular groove, a welding device (4) is connected behind the detection device (3), and the welding device (4) is fixedly connected with the bottom plate (1); wherein:
the detection device (3) comprises a bidirectional electric push rod (31) which is installed in the rectangular groove through a push rod seat, two sliding blocks (32) are symmetrically installed at the left end and the right end of the bidirectional electric push rod (31), an annular plate (33) is installed at the upper end of each sliding block (32), a limiting frame (34) is installed at the position, close to the upper side, of the opposite surface of each annular plate (33), the limiting frame (34) is of a U-shaped structure with an upward opening, guide grooves are formed in the front inner side wall and the rear inner side wall of the limiting frame (34), a plurality of limiting through holes which are uniformly distributed are formed in the end, away from the middle of the limiting frame (34), of each guide groove, a rectangular block (35) is connected between the front guide groove and the rear guide groove in a sliding mode, a limiting rod (36) penetrates through the middle of the rectangular block (35), the limiting rod (36) is in sliding fit with the rectangular block (35), the limiting rod (36) is in plug-in fit with the limiting through hole, an L-shaped plate (37) is installed at one end, far away from the annular plate (33), of the rectangular block (35), guide posts (38) are connected to four corners of the horizontal section of the L-shaped plate (37) in a sliding and penetrating mode, an observation opening is formed in the middle of the horizontal section of the L-shaped plate (37), a detection mechanism (39) is installed at the lower ends of a plurality of guide posts (38) connected with the same L-shaped plate (37) together, a connecting spring is sleeved on the periphery of each guide post (38), and the upper end and the lower end of each connecting spring are fixedly connected with the horizontal section of the L-shaped plate (37) and the detection mechanism (39) respectively, a clamping mechanism (30) is arranged on the opposite side of the annular plate (33);
the detection mechanism (39) comprises a detection frame (391) arranged at the lower ends of a plurality of guide columns (38) connected with the same L-shaped plate (37), the detection device comprises a detection frame (391), a placement opening is arranged at one end, far away from a ring-shaped plate (33), of the detection frame (391), a lamp holder (392) is installed on the upper frame wall of the detection frame (391), a detection lamp is installed on the lamp holder (392), a baffle plate (393) is installed between the front frame wall and the rear frame wall of the detection frame (391), two auxiliary plates (394) are symmetrically installed at the upper end and the lower end of the baffle plate (393), a sliding plate (395) is arranged at one end, far away from the ring-shaped plate (33), of the auxiliary plate (394), the sliding plate (395) is located in a gap between the detection frame (391) and the baffle plate (393), a return spring (396) is installed between the auxiliary plate (394) and the sliding plate (395), a metal contact plate is installed at one end, far away from the auxiliary plate (394), of the sliding plate (395), wires are connected to the left side and the right side of the lower end of the lamp holder (392), the two wires respectively penetrate through the two auxiliary plates (394), the wires penetrate through the auxiliary plates (394), the sliding plate (395) and are fixedly connected with the metal contact plate (397), a connecting plate (397) is installed at the lower end of the detection frame (391), and the connecting plate (397) is of an L-shaped structure, one end of the vertical section of the connecting plate (397) far away from the annular plate (33) is rotatably connected with a test roller (398) positioned below the horizontal section of the connecting plate (397).
2. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 1, wherein: the placing device (2) comprises a U-shaped seat (21) arranged at the upper end of the bottom plate (1), the opening of the U-shaped seat (21) faces upwards, two side walls of the U-shaped seat (21) are respectively provided with a placing ring (22), the placing ring (22) close to the annular plate (33) and the U-shaped seat (21) are close to the side wall of the annular plate (33) in fixed connection, the placing ring (22) far away from the annular plate (33) and the U-shaped seat (21) are in rotating connection with the side wall of the annular plate (33) far away from the annular plate, one end of the placing ring (22) far away from the annular plate (33) is provided with a squeezing ring (23) in rotating connection, a plurality of uniformly distributed plug holes are formed in the squeezing ring (23), a positioning rod (24) is inserted in the positioning hole and matched with the plug holes, one end of the squeezing ring (23) close to the annular plate (33) is provided with a plurality of circumferentially uniformly distributed squeezing plates (25), one end of the squeezing plate (25) close to the placing ring (22) is provided with a square rod (26), one end of the square rod (26) close to the square rod (26) and close to the square rod (26) arranged between the squeezing plate (22), and the square rod (27), and the square rod (26) arranged in sliding surface of the squeezing ring (33), and the squeezing plate (22), and the square rod (27) close to the square rod (26), and the squeezing plate (33), and the square rod (27), and the square rod (22) arranged between the squeezing plate (22), and the squeezing plate (33), and the square rod (27), and the square rod (22) in sliding plate (27), and the square rod (33), and the square rod (22) in the squeezing plate (33), and the squeezing plate (22) are arranged A gear ring (28) is installed at one end of the U-shaped seat (21), a driving motor (29) is installed at the upper end of the middle section of the U-shaped seat (21), a driving gear (20) is installed on an output shaft of the driving motor (29), and the driving gear (20) is meshed with the gear ring (28).
3. The automatic pipe welding device for the oil and gas pipeline according to claim 1, wherein: welding set (4) are including installing backup pad (41) of bottom plate (1) upper end, backup pad (41) front end are installed and are fed electric putter (42), and arc (43) are installed to feeding electric putter (42) front end, and polishing mechanism (44), cleaning brush (45) and welding module (46) are installed from lower upwards in proper order to arc (43) front end.
4. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 1, wherein: the clamping mechanism (30) comprises a clamping bidirectional push rod (301) arranged on the back face of the annular plate (33) through a mounting seat, L-shaped rods (302) are symmetrically arranged at the upper end and the lower end of the clamping bidirectional push rod (301), a clamping arc plate (303) is arranged at one end, far away from the push-out end of the clamping bidirectional push rod (301), of each L-shaped rod (302), and a non-slip mat is arranged on each clamping arc plate (303).
5. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 3, wherein: the polishing mechanism (44) comprises a placing seat (441) arranged at the front end of the arc-shaped plate (43), and a polishing head (442) is inserted into the front end of the placing seat (441).
6. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 2, wherein: the inner end of the extrusion rod (26) far away from the annular plate (33) is provided with a rubber pad, and the inner end of the extrusion rod (26) close to the annular plate (33) is rotatably connected with a ball.
7. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 2, wherein: the extrusion plate (25) is of an arc-shaped structure, and the thickness of the extrusion plate (25) is gradually increased.
8. The automatic welding equipment for pipe fittings for oil and gas pipelines according to claim 5, characterized in that: a moving plate (411) located below the placing seat (441) penetrates through the middle of the supporting plate (41), the moving plate (411) is in sliding fit with the supporting plate (41), and a plurality of auxiliary rollers which are uniformly distributed are rotationally connected to the left end face and the right end face of the moving plate (411).
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| CN202211002359.3A CN115070292B (en) | 2022-08-22 | 2022-08-22 | Automatic pipe fitting welding equipment for oil and gas pipeline |
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Denomination of invention: An automatic welding equipment for oil and gas pipeline fittings Effective date of registration: 20231220 Granted publication date: 20221028 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: HEBEI PROVINCE YANSHAN COUNTY ELECTRICITY PIPE-FITTINGS Co.,Ltd. Registration number: Y2023980073117 |
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