CN116275132B - Laser repairing equipment and process for damaged sucker rod in oil field - Google Patents
Laser repairing equipment and process for damaged sucker rod in oil field Download PDFInfo
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- CN116275132B CN116275132B CN202310581203.3A CN202310581203A CN116275132B CN 116275132 B CN116275132 B CN 116275132B CN 202310581203 A CN202310581203 A CN 202310581203A CN 116275132 B CN116275132 B CN 116275132B
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- 238000000034 method Methods 0.000 title abstract description 16
- 230000008569 process Effects 0.000 title abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 95
- 230000001105 regulatory effect Effects 0.000 claims abstract description 41
- 238000004372 laser cladding Methods 0.000 claims abstract description 31
- 238000005253 cladding Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims description 44
- 230000014759 maintenance of location Effects 0.000 claims description 24
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 14
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 14
- 241001330002 Bambuseae Species 0.000 claims description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 14
- 239000011425 bamboo Substances 0.000 claims description 14
- 230000008439 repair process Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000007142 ring opening reaction Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/20—Cooling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
- B22F10/366—Scanning parameters, e.g. hatch distance or scanning strategy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/10—Auxiliary heating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/70—Gas flow means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/10—Pre-treatment
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
- B22F2007/068—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts repairing articles
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Laser Beam Processing (AREA)
Abstract
The invention discloses equipment and a process for repairing damage of an oilfield sucker rod by laser, which relate to the technical field of laser cladding and comprise a movable regulating guide rail I and a laser cladding head, wherein a movable seat frame is arranged on the movable regulating guide rail I; according to the invention, by arranging the roundness monitoring ring, the monitoring spiral track with lower roundness in the spiral track of the surface of the sucker rod to be repaired can be selected as the cladding track of the laser cladding head, so that the uniformity of the cladding thickness of the surface of the sucker rod to be repaired is improved, further, the subsequent polishing and grinding procedures of the cladding surface of the repaired sucker rod are more convenient and efficient, and the precision of the machining procedure of the surface of the sucker rod is also facilitated to be improved.
Description
Technical Field
The invention relates to the technical field of laser cladding, in particular to equipment and a process for repairing damage of an oilfield sucker rod by laser.
Background
At present, in the process of repairing the abrasion and corrosion of a sucker rod through laser cladding, the abrasion part is generally subjected to surface pretreatment, including cleaning treatment (rust removal, degreasing and the like) and polishing treatment, so that the roughness of the abrasion part reaches the required level, proper alloy powder is selected to be put into a powder storage device, laser equipment is adopted for cladding, and a repairing layer with a certain thickness can be formed at the damaged part by laser heating while feeding the powder. However, the laser is fast in heat supply and cooling, so that cracks are easily generated in the laser repairing layer; and the roundness of the surface of the sucker rod is different after the surface treatment of the sucker rod before the laser cladding repair is finished, so that the repair cladding thickness of the sucker rod surface is uneven and difficult to regulate and control.
Accordingly, one skilled in the art provides an oilfield sucker rod damage laser repair apparatus and process to address the problems set forth in the background above.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an oil field sucker rod damage laser repair equipment, its includes first, the laser cladding head of removal regulation and control guide rail, install the removal seat frame on the first, the liftable of laser cladding head is installed at the removal seat frame middle part, cooling mechanism and roundness monitoring mechanism are installed respectively to removal seat frame left and right sides, just the right side of roundness monitoring mechanism still is equipped with preheating mechanism.
Further, the cooling mechanism comprises a movable regulating guide rail II arranged on the movable seat frame, a downward movable hanging plate I is arranged on the movable regulating guide rail II, a sleeve I sleeved outside the oil rod is arranged at the lower end of the right side of the movable hanging plate I, a retention ring groove is formed in the inner wall of the sleeve I, a magnetic strip is arranged on the wall of the retention ring groove, an exhaust pipe communicated with the air pump is communicated with a groove cavity at the lower end of the retention ring groove, and a filtering column net is further arranged at the air inlet pipe orifice of the exhaust pipe.
Further, the ring opening of the retention ring groove cavity is also provided with a grid.
Further, a rubber ring cover for shielding a left cylinder opening of the sleeve is arranged at the left lower end of the first movable hanging plate.
Further, a first temperature sensor is arranged in the first sleeve.
Further, the roundness monitoring mechanism comprises a movable regulating guide rail III arranged on the movable seat frame, a downward movable hanging plate II is arranged on the movable regulating guide rail III, a rotating ring seat is arranged at the lower end of the left side of the movable hanging plate II, a roundness monitoring ring is arranged on the rotating ring seat and comprises a ring rotationally assembled on the rotating ring seat, a threaded opening pointing to the center of the circle is formed in the ring, a roundness monitoring column penetrates through the threaded opening, and a belt transmission mechanism for regulating and controlling the rotation of the ring is arranged at the upper end of the left side of the movable hanging plate II.
Further, the screw thread mouth is followed the outer ring face of ring closely arranges and sets up, just roundness monitoring post includes a retainer section of thick bamboo, a retainer section of thick bamboo embedding runs through screw thread mouth screw thread meshing and connects, a retainer section of thick bamboo embedding retainer section of thick bamboo screw thread meshing is connected, just the retainer section of thick bamboo lower extreme is connected with the monitoring spring, and monitoring spring lower extreme is connected with the traveller with a retainer section of thick bamboo inner wall sliding connection, the ball is installed to the traveller lower extreme, just the gomphosis has the displacement monitoring strip that is arranged in the outer section of thick bamboo wall of a retainer section of thick bamboo to monitoring spring deformation volume, just still be equipped with on the retainer section of thick bamboo and take its and vertical contained angle's angle locator.
Further, the preheating mechanism comprises a second sleeve arranged at the lower end of the right side of the second movable hanging plate, and a resistor ring connected with a control power supply is arranged in the second sleeve.
Further, a second temperature sensor is arranged in the second sleeve.
The laser repairing process for the damage of the sucker rod in the oil field comprises the following steps:
s1: measuring a standard axis of the sucker rod to be repaired, and enabling the circle center of the roundness monitoring ring to be overlapped with the standard axis;
s2: starting a preheating mechanism, and heating and monitoring the sucker rod to be repaired locally;
s3: setting the advancing moving speed of the movable regulating guide rail I, the rotating speed of the sucker rod to be repaired and the powder feeding cladding thickness of the laser cladding head in unit time;
s4: the second movable hanging plate is adjusted through the third movable adjusting guide rail, so that a distance length is arranged between the center of the ball and the laser cladding head, the distance length is used as a primary roundness monitoring mechanism for monitoring the roundness of the axial range of the sucker rod, the deformation of the monitoring spring is independently read and recorded in each roundness monitoring column and the like in the primary roundness monitoring process, and the corresponding average deformation of each roundness monitoring column is obtained;
s5: selecting the largest average deformation quantity from the average deformation quantity larger than zero and selecting a roundness monitoring column corresponding to the largest average deformation quantity, driving the circular ring and the sucker rod to be repaired to synchronously rotate by a belt transmission mechanism, driving the circular ring and the movable seat frame to reversely synchronously move by a movable regulating guide rail III and regulating and controlling the advancing movement speed of a movable regulating guide rail I to reduce speed until the roundness monitoring column is regulated to the topmost end of the circular ring, resetting the advancing movement speed of the movable regulating guide rail I again, and adjusting the cladding spiral track of the laser cladding head to be the selected roundness monitoring column to monitor the spiral track along the surface of the sucker rod to be repaired;
s6: repeating S4-S5 until the repair is completed.
Compared with the prior art, the invention provides the laser repairing equipment and the process for the damage of the sucker rod in the oil field, which have the following beneficial effects:
according to the invention, the sucker rod to be repaired is locally heated in advance through the preheating mechanism so as to reduce the temperature difference, the cooling mechanism is used for exhausting air from the direction of the repaired sucker rod on the left side, the high temperature at the laser cladding head area is cooled, and meanwhile, hot air with a certain temperature flows through the surface of the repaired sucker rod again, so that the temperature dropping rate of the cladding area of the repaired sucker rod is slowed down, cracks or residual stress are reduced, and cracks generated in the repairing layer are avoided;
according to the invention, by arranging the roundness monitoring ring, the monitoring spiral track with lower roundness in the spiral track of the surface of the sucker rod to be repaired can be selected as the cladding track of the laser cladding head, so that the uniformity of the cladding thickness of the surface of the sucker rod to be repaired is improved, further, the subsequent polishing and grinding procedures of the cladding surface of the repaired sucker rod are more convenient and efficient, and the precision of the machining procedure of the surface of the sucker rod is also facilitated to be improved.
Drawings
FIG. 1 is a schematic diagram of the laser repairing device for damage to sucker rods in an oil field;
FIG. 2 is a schematic diagram of a preheating mechanism according to the present invention;
FIG. 3 is a schematic diagram of a cooling mechanism according to the present invention;
FIG. 4 is a schematic view of a roundness monitoring ring according to the present invention;
in the figure: 1. moving the first regulating guide rail; 2. a movable mount; 3. a laser cladding head; 4. a cooling mechanism; 5. a roundness monitoring mechanism; 6. a preheating mechanism; 7. a roundness monitoring ring; 41. moving a regulating guide rail II; 42. moving a hanging plate I; 43. a sleeve I; 44. an exhaust pipe; 45. an air extracting pump; 46. a rubber ring cover; 431. a retention ring groove; 432. grid of the Chinese character 'Tian'; 433. a magnetic stripe; 51. moving a regulating guide rail III; 52. a second movable hanging plate; 53. a rotary ring seat; 54. a belt drive mechanism; 61. controlling a power supply; 62. a second sleeve; 63. a resistance ring; 71. a circular ring; 72. a retention cylinder; 73. a retention post; 74. monitoring the spring; 75. a spool; 76. a ball; 711. a threaded port; 721. the displacement monitors the strip.
Description of the embodiments
Referring to fig. 1-4, the present invention provides a technical solution: the laser repairing device for the damage of the sucker rod in the oil field comprises a movable regulating guide rail I1 and a laser cladding head 3, wherein a movable seat frame 2 is arranged on the movable regulating guide rail I1, the laser cladding head 3 is arranged in the middle of the movable seat frame 2 in a lifting manner, a cooling mechanism 4 and a roundness monitoring mechanism 5 are respectively arranged on the left side and the right side of the movable seat frame 2, and a preheating mechanism 6 is further arranged on the right side of the roundness monitoring mechanism 5; the preheating mechanism 6 is used for carrying out the pre-local heating on the sucker rod to be repaired in the right side area of the laser cladding head 3 so as to reduce the temperature difference; the cooling mechanism is used for exhausting air from the direction of the repaired sucker rod on the left side, cooling is carried out on the high temperature of the area of the laser cladding head 3, and meanwhile hot air with a certain temperature flows through the surface of the repaired sucker rod again, so that the temperature dropping rate of the cladding area of the repaired sucker rod is slowed down, cracks or residual stress is reduced, and cracks are avoided from being generated on a repairing layer.
In this embodiment, the cooling mechanism 4 includes a second movable regulating guide rail 41 disposed on the movable seat frame 2, a first downward movable hanging plate 42 is mounted on the second movable regulating guide rail 41, a first sleeve 43 sleeved outside the oil rod is mounted at the lower right end of the first movable hanging plate 42, a retention ring groove 431 is disposed on the inner wall of the first sleeve 43, a magnetic stripe 433 is disposed on the wall of the retention ring groove 431, an exhaust pipe 44 communicating with the exhaust pump 45 is communicated with a lower end groove cavity of the retention ring groove 431, and a filtering column net is further disposed at the air inlet pipe orifice of the exhaust pipe 44; the ring opening of the groove cavity of the retention ring groove 431 is also provided with a grid 432; the lower end of the left side of the first movable hanging plate 42 is provided with a rubber ring cover 46 for shielding the left cylinder opening of the first sleeve 43;
a first temperature sensor is arranged in the first sleeve 43;
specifically, the temperature change in the first sleeve 43 is monitored in real time through the first temperature sensor, and the air suction speed in the first sleeve 43 is regulated and controlled by the air suction pump 45, so that the temperature change value in the first sleeve 43 is stable in a required temperature range or regularly fluctuates, moreover, dust generated in the cladding area can be introduced into the first sleeve 43 along with air flow, the introduced air flow can be divided by the provided grid 432, dust is intercepted, and the dust is prevented from flowing into the air suction pipe 44 along with wind by matching with the suction of the magnetic strip 433, so that the safe operation of equipment is ensured.
In this embodiment, the roundness monitoring mechanism 5 includes a third movable regulating guide rail 51 disposed on the movable seat frame 2, a second downward movable hanger plate 52 is mounted on the third movable regulating guide rail 51, a rotating ring seat 53 is mounted at the lower left end of the second movable hanger plate 52, a roundness monitoring ring 7 is mounted on the rotating ring seat 53, the roundness monitoring ring 7 includes a ring 71 rotatably mounted on the rotating ring seat 53, a threaded opening 711 pointing to the center of the ring 71 is provided on the ring 71, a roundness monitoring post is penetrated in the threaded opening 711, and a belt transmission mechanism 54 for regulating rotation of the ring 71 is mounted at the upper left end of the second movable hanger plate 52; the threaded openings 711 are closely arranged along the outer ring surface of the circular ring 71;
specifically, before the repairing of the laser cladding head 3, the surface of the sucker rod to be repaired is generally pretreated, including cleaning treatment (rust removal, degreasing and the like), polishing treatment and the like, so that the roughness of the surface of the sucker rod to be repaired reaches a required level, however, due to the fact that the abrasion or corrosion area of the surface of the sucker rod to be repaired is different, the roundness of the surface of the sucker rod to be repaired is often poor after the treatment is finished, therefore, when the laser cladding equipment is adopted for cladding, the radius of the local cladding area of the repaired sucker rod after cladding is easy to be lower than the standard radius of the required repaired sucker rod in the uniform and continuous powder feeding cladding process, and in addition, the cladding thickness is higher due to the fact that the increased powder feeding amount is adopted to avoid the occurrence of the situation, and the follow-up polishing and polishing difficulty of the cladding surface of the repaired sucker rod is higher; in this structure, through the arrangement and distribution structure of the roundness monitoring columns, in the process of cladding and repairing along with the laser cladding head 3, at this time, the belt transmission mechanism 54 is in a stop state, therefore, each roundness monitoring column forms a corresponding monitoring spiral track along the surface of the sucker rod to be repaired, and then the distance length between the roundness monitoring column and the laser cladding head 3 is set as primary roundness monitoring, wherein the monitoring spiral track of the roundness monitoring column located at the top end of the circular ring 71 is synchronous with the cladding spiral track of the laser cladding head cladding and repairing, that is, in the sucker rod to be repaired in the area of the distance length, a plurality of monitoring spiral tracks are monitored in advance on the surface by the roundness monitoring column, and whether the monitoring spiral track coincides with the standard circumferential surface of the sucker rod to be repaired (that is, in the above process), after the sucker rod to be repaired is subjected to cleaning, polishing and the like, a standard circumferential surface is selected to obtain a standard circumferential surface, that is, if the overlapping degree of the monitoring spiral track with the standard circumferential surface is higher, the corresponding monitoring spiral track is higher, therefore, the lowest overlapping degree of the monitoring spiral track with the standard circumferential surface is selected to be used as the cladding surface of the monitoring spiral head cladding and the surface cladding is more convenient, and the polishing precision of the surface is improved, and the polishing process is improved.
In this embodiment, the roundness monitoring column comprises a retention cylinder 72 and a retention column 73, the retention cylinder 72 is embedded into a through threaded opening 711 to be in threaded engagement connection, the retention column 73 is embedded into the retention cylinder 72 to be in threaded engagement connection, the lower end of the retention column 73 is connected with a monitoring spring 74, the lower end of the monitoring spring 74 is connected with a sliding column 75 which is in sliding connection with the inner wall of the retention cylinder 72, the lower end of the sliding column 75 is provided with a ball 76, a displacement monitoring strip 721 for monitoring the deformation of the monitoring spring 74 is embedded into the outer cylinder wall of the retention cylinder 72, and the retention column 73 is also provided with an angle positioner for recording the vertical included angle; wherein, the angle positioner is arranged so as to cooperate with a belt transmission device to adjust the positioning of the roundness monitoring column to the top end of the circular ring 71, and the deformation of the monitoring spring 74 is monitored and recorded by the displacement monitoring strip 721; specifically, the frequency of monitoring the deformation amount of the monitoring spring 74 is: the monitoring record of the deformation amount of the monitoring spring is carried out once after each axial movement of one screw pitch is completed.
In this embodiment, the preheating mechanism 6 includes a second sleeve 62 mounted at the lower end of the right side of the second movable hanger plate 52, and a resistor ring 63 connected to the control power source 61 is disposed in the second sleeve 62; a second temperature sensor is arranged in the second sleeve 62; by monitoring the second temperature sensor, for example, the sucker rod to be repaired can be heated to about 100 ℃.
The laser repairing process for the damage of the sucker rod in the oil field comprises the following steps:
s1: measuring a standard axis of the sucker rod to be repaired, and enabling the circle center of the roundness monitoring ring to be overlapped with the standard axis;
s2: starting a preheating mechanism 6, and heating and monitoring the sucker rod to be repaired locally;
s3: setting the advancing moving speed of the movable regulating guide rail I1, the rotating speed of the sucker rod to be repaired and the powder feeding cladding thickness of the laser cladding head 3 units in time;
s4: the second movable hanging plate 52 is adjusted through the third movable adjusting guide rail 51, so that a distance length is arranged between the center of the ball 76 and the laser cladding head 3, the distance length is used as a primary roundness monitoring mechanism 5 for monitoring the roundness of the axial range of the sucker rod, deformation of the monitoring spring 74 is independently read and recorded in each roundness monitoring column and the like in the primary roundness monitoring process, and the corresponding average deformation of each roundness monitoring column is obtained;
s5: selecting the largest average deformation quantity from the average deformation quantity larger than zero and selecting a roundness monitoring column corresponding to the largest average deformation quantity, driving the circular ring 71 and the sucker rod to be repaired to synchronously rotate by the belt transmission mechanism 54, driving the circular ring 71 and the movable seat frame 2 to synchronously move reversely by the movable regulating guide rail III 51 and regulating the advancing movement speed of the movable regulating guide rail I1 to reduce speed until the roundness monitoring column is regulated to the topmost end of the circular ring 71, resetting the advancing movement speed of the movable regulating guide rail I1 again, and adjusting the cladding spiral track of the laser cladding head 3 to be the selected roundness monitoring column to monitor the spiral track along the surface of the sucker rod to be repaired;
s6: repeating S4-S5 until the repair is completed.
The above description is only of the preferred embodiments of the invention, but the protection scope of the invention is not limited thereto, and any person skilled in the art who is skilled in the art to which the invention pertains should make equivalent substitutions or modifications according to the technical solution of the invention and its inventive concept within the scope of the invention.
Claims (7)
1. The utility model provides an oil field sucker rod damage laser repair equipment, its is including removing regulation and control guide rail one (1), laser cladding head (3), remove and install on regulation and control guide rail one (1) and remove seat frame (2), laser cladding head (3) liftable install at removal seat frame (2) middle part, its characterized in that: the left side and the right side of the movable seat frame (2) are respectively provided with a cooling mechanism (4) and a roundness monitoring mechanism (5), and the right side of the roundness monitoring mechanism (5) is also provided with a preheating mechanism (6);
the cooling mechanism (4) comprises a movable regulating guide rail II (41) arranged on the movable seat frame (2), a downward movable hanging plate I (42) is arranged on the movable regulating guide rail II (41), a sleeve I (43) sleeved outside the oil rod is assembled at the lower end of the right side of the movable hanging plate I (42), a retention ring groove (431) is formed in the inner wall of the sleeve I (43), a magnetic strip (433) is arranged on the wall of the retention ring groove (431), an exhaust pipe (44) communicated with an exhaust pump (45) is communicated with a groove cavity at the lower end of the retention ring groove (431), and a filter column net is further arranged at the inlet pipe orifice of the exhaust pipe (44);
the roundness monitoring mechanism (5) comprises a movable regulating guide rail III (51) arranged on a movable seat frame (2), a downward movable hanging plate II (52) is arranged on the movable regulating guide rail III (51), a rotating ring seat (53) is arranged at the lower left end of the movable hanging plate II (52), a roundness monitoring ring (7) is arranged on the rotating ring seat (53), the roundness monitoring ring (7) comprises a ring (71) rotationally arranged on the rotating ring seat (53), a threaded opening (711) pointing to the center of the ring is arranged on the ring (71), a roundness monitoring column penetrates through the threaded opening (711), and a belt transmission mechanism (54) for regulating and controlling the rotation of the ring (71) is arranged at the upper left end of the movable hanging plate II (52);
screw thread mouth (711) are followed ring (71) outer ring face closely arranges and sets up, just roundness monitoring post includes a retainer section of thick bamboo (72), retainer post (73), retainer section of thick bamboo (72) embedding runs through screw thread mouth (711) screw thread meshing and connects, retainer post (73) embedding retainer section of thick bamboo (72) screw thread meshing is connected, just retainer post (73) lower extreme is connected with monitoring spring (74), monitoring spring (74) lower extreme be connected with retainer section of thick bamboo (72) inner wall sliding connection's slide post (75), ball (76) are installed to slide post (75) lower extreme, just the gomphosis has displacement monitoring strip (721) that are used for monitoring spring (74) deflection in retainer section of thick bamboo wall, just still be equipped with on retainer post (73) and record its and vertical contained angle's angle locator.
2. The oilfield sucker rod damage laser repair device of claim 1, wherein the retention ring groove (431) groove cavity ring opening is further provided with a grid (432).
3. The laser repairing device for damaged sucker rod in oil field according to claim 1, wherein a rubber ring cover (46) for shielding the left cylinder opening of the first sleeve (43) is installed at the left lower end of the first movable hanging plate (42).
4. The oilfield sucker rod damage laser repair apparatus of claim 1, wherein a first temperature sensor is provided in the first sleeve (43).
5. The oil field sucker rod damage laser repairing device according to claim 1, wherein the preheating mechanism (6) comprises a second sleeve (62) arranged at the right lower end of the second movable hanging plate (52), and a resistor ring (63) connected with a control power supply (61) is arranged in a cylinder of the second sleeve (62).
6. The oilfield sucker rod damage laser repair apparatus of claim 5, wherein a second temperature sensor is disposed in the second sleeve (62).
7. An oilfield sucker rod damage laser repair process using the oilfield sucker rod damage laser repair apparatus of any one of claims 1-6, comprising the steps of:
s1: measuring a standard axis of the sucker rod to be repaired, and enabling the circle center of the roundness monitoring ring to be overlapped with the standard axis;
s2: starting a preheating mechanism (6) to heat and monitor the sucker rod to be repaired locally;
s3: setting the advancing moving speed of the movable regulating guide rail I (1), the rotating speed of the sucker rod to be repaired and the powder feeding cladding thickness of the laser cladding head (3) in unit time;
s4: the second movable hanging plate (52) is adjusted through the third movable adjusting guide rail (51), so that a distance length is arranged between the center of the ball (76) and the laser cladding head (3), the distance length is used as a primary roundness monitoring mechanism (5) for monitoring the roundness of the axial range of the sucker rod, the deformation of the monitoring spring (74) is independently read and recorded in each roundness monitoring column and the like in the primary roundness monitoring process, and the corresponding average deformation of each roundness monitoring column is obtained;
s5: selecting the largest average deformation quantity from the average deformation quantity larger than zero and selecting a roundness monitoring column corresponding to the largest average deformation quantity, driving a circular ring (71) to synchronously rotate with a sucker rod to be repaired by a belt transmission mechanism (54), driving the circular ring (71) to reversely synchronously move with a movable seat frame (2) and regulating and controlling the advancing movement speed of a movable regulating and controlling guide rail I (1) to be reduced by a movable regulating and controlling guide rail III (51) at the same time until the roundness monitoring column is regulated to the topmost end of the circular ring (71), resetting the advancing movement speed of the movable regulating and controlling guide rail I (1) again, and adjusting the cladding spiral track of a laser cladding head (3) to be the selected roundness monitoring column to monitor the spiral track along the surface of the sucker rod to be repaired;
s6: repeating S4-S5 until the repair is completed.
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