CN114535008A - Water injection pipeline non-excavation internal repair bottom preparation facilities - Google Patents
Water injection pipeline non-excavation internal repair bottom preparation facilities Download PDFInfo
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- CN114535008A CN114535008A CN202210090331.3A CN202210090331A CN114535008A CN 114535008 A CN114535008 A CN 114535008A CN 202210090331 A CN202210090331 A CN 202210090331A CN 114535008 A CN114535008 A CN 114535008A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
- B05C7/06—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work
- B05C7/08—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work for applying liquids or other fluent materials to the inside of tubes
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Abstract
The invention relates to a device for preparing a non-excavation internal repair bottom layer of a water injection pipeline, which comprises a feeding device in a pipe and a coating device on the inner surface of the pipe, and is characterized in that: the feeding devices in the pipe are uniformly distributed on the steel wire ropes, the distance between the feeding devices in the pipe can be adjusted at will, the steel wire ropes drag the feeding devices in the pipe to bring the coating into the pipe, the feeding devices in the pipe return after the coating is uniformly fed into the pipe, when the feeding devices in the pipe return, the other end of the steel wire ropes drag the coating devices on the inner surface of the pipe to enter the pipe, and the motor of the coating device drives the spiral grooved pulley and the blades to rotate, so that the coating in the pipe is finely coated; the problem of longer intraductal pay-off and the water injection pipeline non-excavation internal repair technique problem of evenly coating the coating material in the inside wall of pipe are solved, and the pipeline wholly bearing strength is high after the restoration.
Description
Technical Field
The invention relates to a device for preparing a non-excavation internal repair bottom layer of a water injection pipeline, and belongs to the technical field of in-situ repair of the water injection pipeline of an oil field gathering and transportation system.
Background
The oil field water injection pipeline adopts low carbon steel pipe more, and long-term service pipeline corrodes comparatively seriously, and the perforation can appear corroding in the part. Because the cost for replacing the new pipeline is high, and the sensitive area is influenced by ground building facilities and the like, the new pipeline can not be laid. In this case, trenchless rehabilitation is usually performed with hard interpenetration, i.e. lining with polyethylene pipe. The operating pressure of the water injection pipeline is higher at 7-12MPa, but the existence of the corrosion pit causes the pressure bearing of the composite pipeline only by depending on the lining polyethylene pipe, the strength can not meet the use requirement, and the burst of the polyethylene pipe frequently occurs, so the coating of a high-strength curing bottom layer is required before the lining polyethylene pipe, and the integral pressure bearing of the composite pipeline is realized.
Disclosure of Invention
The invention aims to provide a device for preparing a non-excavation internal repair bottom layer of a water injection pipeline, which comprises an in-pipe feeding device and an in-pipe surface coating device, wherein a coating material is uniformly fed into the inside of the pipe through the in-pipe feeding device, and a coating is uniformly coated on the inner wall of the pipe through the in-pipe surface coating device, so that the problems of long in-pipe feeding and the non-excavation internal repair technology of the water injection pipeline that the coating material is uniformly coated on the inner wall of the pipe are solved, the inner wall of the pipeline is coated with a high-strength composite material, then a polyethylene pipe is lined, and the whole pressure-bearing strength of the repaired pipeline is high;
the technical scheme of the invention is realized as follows: the utility model provides a non-excavation in-repair bottom preparation facilities of water injection pipeline, includes intraductal material feeding unit and intraductal surface coating device, its characterized in that: the in-pipe feeding devices are uniformly distributed on the steel wire ropes, the steel wire ropes drag the in-pipe feeding devices to uniformly feed the coating into the pipe, the other ends of the steel wire ropes drag the in-pipe surface coating devices to enter the pipe when the in-pipe feeding devices are withdrawn, the grooved wheels and the blades rotate to carry out fine coating on the coating under the driving of the motor, when the in-pipe feeding devices are completely withdrawn, the in-pipe surface coating devices are moved out of the pipe body, and the preparation of the non-excavation internal repair bottom layer of the water injection pipeline is finished; the in-pipe feeding device comprises a baffle A, a baffle B, a fixing plate A, a flange, an arch bridge A, an arch bridge B and a steel wire rope; the flange is fixed on the fixing plate A, the arch bridge A and the arch bridge B penetrate through the baffle A and the holes on the baffle B and are fixed on the fixing plate A, the steel wire rope penetrates through the flange and fixes the flange on the steel wire rope through a jackscrew, the feeding devices are uniformly distributed on the steel wire rope, the distance between the feeding devices is adjustable, the baffle A and the baffle B are limited by the fixing plate A and can unidirectionally drag the coating to move forward, the baffle A and the baffle B can be reversely folded and combined on the arch bridge A and the arch bridge B when the feeding devices in the tube return after the coating is uniformly fed into the tube, and the coating fed into the tube cannot be taken out;
the coating device for the inner surface of the pipe comprises a blade A, a blade B, a blade C, a blade D, a fixing plate B, a fixing plate C, a shaft A, a spiral grooved wheel, a bearing fixing part, a coupler, a planetary gear motor fixing part, a planetary gear motor, a tubular fixing part, an end plate, a lifting ring, a square aluminum strip A, a square aluminum strip B, a square aluminum strip C, a square aluminum strip D, a spring steel plate A, a spring steel plate B, a spring steel plate C, a spring steel plate D, a cutter wheel A, a cutter wheel B, a cutter wheel C, a cutter wheel D, a cutter wheel E, a cutter wheel F, a cutter wheel G, a cutter wheel H, a shaft B, a shaft C, a shaft D, a shaft E, a cutter wheel I, a cutter wheel J, a cutter wheel K, a cutter wheel L, a cutter wheel M, a cutter wheel N, a cutter wheel O, a cutter wheel P, a shaft F, a shaft G, a shaft H and a shaft I; the blade A, the blade B, the blade C and the blade D are fixed on the fixing plate B and the fixing plate C through bolts, the shaft A penetrates through the fixing plate B and the fixing plate C and is fixed through nuts, and the spiral grooved wheel is fixed on the shaft A through jackscrews.
The bearing and the shaft A are arranged in the bearing fixing piece, and the outer part of the bearing fixing piece is fixed on the tubular fixing piece; the planetary gear motor is connected with the planetary gear motor fixing piece through a bolt and is fixed on the tubular fixing piece. And the output shaft of the planetary gear motor is connected with the shaft A through a coupler to realize synchronous rotation. The end plate is fixed at the end part of the tubular fixing part through a bolt, and the hanging ring is fixed at the end plate through a bolt.
The square aluminum strip A, the square aluminum strip B, the square aluminum strip C and the square aluminum strip D are fixed on the tubular fixing piece through bolts. And the spring steel plate A, the spring steel plate B, the spring steel plate C and the spring steel plate D are respectively fixed on the direction aluminum strip A, the square aluminum strip B, the square aluminum strip C and the square aluminum strip D through bolts.
The center holes of the cutter wheel A and the cutter wheel B penetrate into the shaft B to be positioned through the snap spring, and the shaft B is fixed at one end of the spring steel plate A through the bolt. The center holes of the cutter wheel I and the cutter wheel J penetrate through a shaft F to be positioned through a clamp spring, and the shaft F is fixed at the other end of the spring steel plate A through a bolt.
The center holes of the cutter wheel C and the cutter wheel D penetrate into the shaft C to be positioned through the clamp spring, and the shaft C is fixed at one end of the spring steel plate B through a bolt. The center holes of the cutter wheel K and the cutter wheel L penetrate through a shaft G to be positioned through a clamp spring, and the shaft G is fixed at the other end of the spring steel plate B through a bolt.
The center holes of the cutter wheel E and the cutter wheel F penetrate into the shaft D to be positioned through the clamp spring, and the shaft D is fixed at one end of the spring steel plate C through a bolt. The center holes of the cutter wheel M and the cutter wheel N penetrate through a shaft H to be positioned through a clamp spring, and the shaft H is fixed at the other end of the spring steel plate C through a bolt.
The center holes of the cutter wheel G and the cutter wheel H penetrate into the shaft E to be positioned through the clamp spring, and the shaft E is fixed at one end of the spring steel plate D through a bolt. The center holes of the cutter wheel O and the cutter wheel P penetrate through the shaft I to be positioned through the snap spring, and the shaft I is fixed at the other end of the spring steel plate D through a bolt.
The invention has the advantages that the coating material is uniformly fed into the pipe by the pipe feeding device and the coating device on the inner surface of the pipe, and the coating is uniformly coated on the inner wall of the pipe by the inner surface coating device, thereby solving the problems of long pipe feeding and the non-excavation inner repair technology of the water injection pipeline for uniformly coating the coating material on the inner wall of the pipe.
Drawings
Fig. 1 is a schematic view of the overall structure of the in-pipe feeding device of the present invention.
Fig. 2 is a schematic view of a baffle of the in-pipe feeding device of the present invention.
Fig. 3 is a schematic view of a fixing plate a of the feeding device in the pipe of the present invention.
Fig. 4 is a schematic view of a flange of the in-pipe feeding device of the present invention.
Fig. 5 is a schematic view of the arch bridge of the in-pipe feeding device of the invention.
FIG. 6 is a schematic view of the pipe inner surface coating apparatus of the present invention.
FIG. 7 is a schematic side view of the pipe inner surface coating apparatus of the present invention.
Fig. 8 is a schematic view of a blade fixing plate B of the inner surface coating device of the present invention.
FIG. 9 is a schematic view of the blade angle adjusting and fixing plate of the inner surface coating device of the present invention.
FIG. 10 is a schematic view of an interior surface coating apparatus axis A of the present invention.
Fig. 11 is a schematic view of the spiral sheave of the inner surface coating device of the present invention.
FIG. 12 is a schematic view of the inner surface coating device of the present invention, including blades, a fixing plate B, a fixing plate C, and a shaft A.
Fig. 13 is a schematic view of the inner surface coating device blade, fixing plate B, fixing plate C, shaft a, spiral sheave of the present invention.
FIG. 14 is a schematic view of an inner surface coating apparatus bearing retainer of the present invention.
FIG. 15 is a schematic view of an interior surface coating apparatus coupling of the present invention.
FIG. 16 is a schematic view of the inner surface coating unit planetary reduction motor fixing member of the present invention.
Fig. 17 is a schematic view of a planetary reduction motor of the inner surface coating apparatus of the present invention.
FIG. 18 is a schematic view of a tubular fastener of the inside surface coating apparatus of the present invention.
FIG. 19 is a schematic view of an end plate of the interior surface coating apparatus of the present invention.
FIG. 20 is a schematic view of the inner surface coating apparatus hoist ring of the present invention.
FIG. 21 is a schematic view of the inner surface coating device bearing and fixing member, the coupling, the planetary reduction motor fixing member, the planetary reduction motor, the tubular fixing member, the end plate and the suspension ring of the present invention.
FIG. 22 is a schematic view of a square aluminum strip of the interior surface coating apparatus of the present invention.
FIG. 23 is a schematic view of a square aluminum strip, tubular fastener of the inner surface coating apparatus of the present invention.
FIG. 24 is a schematic view of a spring steel plate of the inner surface coating apparatus of the present invention.
FIG. 25 is a schematic view of a square aluminum strip, tube shaped stationary, spring steel plate of the inner surface coating apparatus of the present invention.
FIG. 26 is a schematic view of a cutter wheel of the interior surface coating apparatus of the present invention.
FIG. 27 is a schematic view of an inner surface coating apparatus shaft of the present invention.
FIG. 28 is a schematic view of a cutter wheel and shaft of the inner surface coating apparatus of the present invention.
FIG. 29 is a schematic view of a cutter wheel and shaft of the internal surface coating apparatus of the present invention.
FIG. 30 is a schematic view of the inner surface coating apparatus of the present invention, including a cutter wheel, a shaft (B, C, D, E), a spring steel plate, a square aluminum bar, and a tubular fixing member.
In the figure: 1. a baffle A; 2. a baffle B; 3. fixing a plate A; 4. a flange; 5. an arch bridge A; 6. an arch bridge B; 7. a wire rope; 8. a pipeline; 9. a blade A; 10. a blade B; 11. a blade C; 12. a blade D; 13. a fixing plate B; 14. a fixing plate C; 15. an axis A; 16. a helical sheave; 17. a bearing fixing member; 18. a coupling; 19. a planetary reduction motor mount; 20. a planetary reduction motor; 21. a tubular fixing member; 22. an end plate; 23. a hoisting ring; 24. a square aluminum strip A; 25. a square aluminum strip B; 26. a square aluminum strip C; 27. a square aluminum strip D; 28. a spring steel plate A; 29. a spring steel plate B; 30. a spring steel plate C; 31. a spring steel plate D; 32. a cutter wheel A; 33. a cutter wheel B; 34. a cutter wheel C; 35. a cutter wheel D; 36. a cutter wheel E; 37. a cutter wheel F; 38. a cutter wheel G; 39. a cutter wheel H; 40. a shaft B; 41. an axis C; 42. a shaft D; 43. an axis E; 44. a cutter wheel I; 45. a cutter wheel J; 46. a cutter wheel K; 47. a cutter wheel L; 48. a cutter wheel M; 49. a cutter wheel N; 50. a cutter wheel O; 51. a cutter wheel P; 52. a shaft F; 53. a shaft G; 54. a shaft H; 55. and an axis I.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments and the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-30, a water injection pipeline non-excavation internal repair bottom preparation device comprises a feeding device in a pipe and a coating device on the inner surface of the pipe, and is characterized in that: the in-pipe feeding devices are uniformly distributed on the steel wire ropes, the steel wire ropes drag the in-pipe feeding devices to uniformly feed the coatings into the pipes, when the in-pipe feeding devices exit the pipelines 8, the other ends of the steel wire ropes drag the in-pipe surface coating devices to enter the pipes, the motors drive the spiral sheaves and the blades to rotate to carry out fine coating on the coatings, when the in-pipe feeding devices completely exit, the in-pipe surface coating devices are moved out of the pipelines 8, and the preparation of the non-excavation internal repair bottom layer of the water injection pipeline is finished;
the flange 4 of the feeding device in the pipe is fixed on the fixing plate A3, the arch bridge A5 and the arch bridge B6 penetrate through the baffle A1, holes in the baffle B2 are fixed on the fixing plate A3, the steel wire rope 7 penetrates through the flange 4 and fixes the flange 4 on the steel wire rope 7 through jackscrews, the feeding device is uniformly distributed on the steel wire rope 7, the baffle A1 and the baffle B2 are limited by the fixing plate A3 and can pull coating forward in a single direction, when the feeding device in the pipe returns after the coating is uniformly sent to the inside of the pipe, the baffle A1 and the baffle B2 are folded and combined on the arch bridge A5 and the arch bridge B6 in a reverse direction, and the coating sent into the inside of the pipe cannot be taken out.
The blades A9, the blades B10, the blades C11 and the blades D12 of the device for coating the inner surface of the tube are fixed on a fixing plate B13 and a fixing plate C14 through bolts, a shaft A15 penetrates through the fixing plate 13 and the fixing plate 14 and is fixed through the bolts, a shaft A15 is fixed on a shaft A15 through jackscrews, a shaft A15 drives a rotating shaft A15, the blades A9, the blades B10, the blades C11 and the blades D12 to rotate when rotating, the shaft A15 carries out rough coating on an inner coating of the tube, and the blades A9, the blades B10, the blades C11 and the blades D12 carry out fine coating on the inner coating of the tube.
The bearing fixing member 17 has a bearing and a shaft a15 therein, and the bearing fixing member 17 is externally fixed to the tubular fixing member 21. The planetary reduction motor 20 is connected to the planetary reduction motor mount 19 by bolts and is fixed to the tubular mount 21. The output shaft of the planetary gear motor 20 is connected with the shaft A15 through a coupler 18 to realize synchronous rotation. The end plate 22 is fixed at the end of the tubular fixing member 21 by bolts, the hanging ring 23 is fixed at the end plate 22 by bolts, and the inner surface coating device of the tube is driven to move in the tube by the traction of the steel wire rope fixed at the hanging ring 23.
The square aluminum strip A24, the square aluminum strip B25, the square aluminum strip C26 and the square aluminum strip D27 are fixed on the tubular fixing piece 21 through bolts. The thickness of the square aluminum strip is calculated and processed according to the inner diameter of the pipe, and the function of the square aluminum strip is that the coating device for the inner surface of the pipe is suitable for pipes with various diameters.
The spring steel plate A28, the spring steel plate B29, the spring steel plate C30 and the spring steel plate D31 are respectively fixed to the square aluminum strip A24, the square aluminum strip B25, the square aluminum strip C26 and the square aluminum strip D27 through bolts, the spring steel plate is used for applying force between the cutter wheel and the inner wall of the pipe, so that sufficient friction force along the circumferential direction of the pipe is generated between the cutter wheel and the inner surface of the pipe, and the pipe-shaped fixing piece 21 is prevented from rotating circumferentially in the pipe (8) when the pipe-shaped surface coating device works.
The center holes of the cutter wheel A32 and the cutter wheel B33 penetrate into the shaft B40 to be positioned through the clamp springs, and the shaft B40 is fixed at one end of the spring steel plate A28 through bolts. The center holes of the cutter wheel I44 and the cutter wheel J45 penetrate through a shaft F50 to be positioned through a clamp spring, and the shaft F50 is fixed at the other end of the spring steel plate A28 through a bolt.
The center holes of the cutter wheel C34 and the cutter wheel D35 penetrate through the shaft C41 to be positioned through the clamp springs, and the shaft C41 is fixed at one end of the spring steel plate B29 through bolts. The center holes of the knife flywheel K46 and the knife flywheel L47 penetrate through a shaft G53 to be positioned through a clamp spring, and the shaft G53 is fixed to the other end of the spring steel plate B29 through a bolt.
The center holes of the cutter wheel E36 and the cutter wheel F37 penetrate through a shaft D42 to be positioned through a clamp spring, and the shaft D42 is fixed at one end of the spring steel plate C30 through a bolt. The center holes of the cutter wheel M48 and the cutter wheel N49 penetrate through a shaft H54 to be positioned through a clamp spring, and the shaft H54 is fixed at the other end of the spring steel plate C30 through a bolt.
The center holes of the cutter wheel G38 and the cutter wheel H39 penetrate through a shaft E43 to be positioned through a clamp spring, and the shaft E43 is fixed at one end of a spring steel plate D31 through a bolt. The center holes of the cutter wheel O50 and the cutter wheel P51 penetrate through a shaft I55 to be positioned through a clamp spring, and the shaft I55 is fixed at the other end of the spring steel plate D31 through a bolt.
The elasticity of the spring steel plate of the cutter wheel enables the cutter wheel and the inner surface of the pipe to generate enough friction force along the circumferential direction of the pipe, and the tubular fixing piece 21 is ensured not to generate circumferential rotation in the pipeline 8 while the coating device on the inner surface of the pipe moves in the axial direction of the pipe.
Example (b):
aiming at a water injection pipeline with the outer diameter of 114mm, the wall thickness of 7mm and the length of 300m, a trenchless internal repair bottom layer preparation device is adopted for in-pipe repair, a steel wire rope is used for dragging an in-pipe feeding device, the diameter of the feeding device is 94mm, the in-pipe feeding device is arranged on the steel wire rope at a distance of 500mm, namely 600 in-pipe feeding devices are uniformly distributed on the steel wire rope, a winch is used for dragging the steel wire rope and a coating device on the steel wire rope to enter the pipe, the coating device drives the coating to uniformly carry the coating into the pipe in the process of entering the pipe, after the in-pipe feeding devices completely enter the pipe, the coating is uniformly conveyed into the pipe, then the in-pipe feeding devices are driven by the winch to gradually withdraw from an inlet, the other end of the steel wire rope drags the in-pipe surface coating device to enter the pipe when the in-pipe feeding devices withdraw, a spiral sheave and blades of the in-pipe surface coating device rotate at a certain speed to finely coat the coating on the inner wall of the pipe, when the feeding device in the pipe is completely withdrawn, the coating device on the inner surface of the pipe is also removed out of the pipe, the coating is uniformly coated on the inner wall of the pipe, and the preparation of the trenchless inner repair bottom layer of the water injection pipeline is finished.
In summary, the invention provides a device for preparing a water injection pipeline non-excavation inner repair bottom layer, which comprises an in-pipe feeding device and an in-pipe surface coating device, wherein a coating material is uniformly fed into the pipe through the in-pipe feeding device, and a coating is uniformly coated on the inner wall of the pipe through the in-pipe surface coating device, so that the problems of long in-pipe feeding and the technical problem of non-excavation inner repair of the water injection pipeline in which the coating material is uniformly coated on the inner wall of the pipe are solved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. Non-excavation in repair bottom preparation facilities of water injection pipeline, including intraductal material feeding unit and intraductal surface coating device, its characterized in that: the feeding devices in the pipe are uniformly distributed on the steel wire ropes, the distance between the feeding devices in the pipe can be adjusted at will, the steel wire ropes drag the feeding devices in the pipe to bring the coating into the pipe, the feeding devices in the pipe return after the coating is uniformly fed into the pipe, when the feeding devices in the pipe return, the other end of the steel wire ropes drag the coating devices on the inner surface of the pipe to enter the pipe, and the motor of the coating device drives the spiral grooved pulley and the blades to rotate, so that the coating in the pipe is finely coated; the in-pipe feeding device consists of a baffle A, a baffle B, a fixing plate A, a flange, an arch bridge A, an arch bridge B and a steel wire rope; the flange is fixed on the fixing plate A, the arch bridge A and the arch bridge B penetrate through holes in the baffle A and the baffle B and are fixed on the fixing plate A, the steel wire rope penetrates through the flange and fixes the flange through jackscrews, the baffle A and the baffle B are limited by the fixing plate A, and the baffle A and the baffle B are reversely folded and combined together on the arch bridge A and the arch bridge B;
the coating device for the inner surface of the pipe comprises a blade A, a blade B, a blade C, a blade D, a fixing plate B, a fixing plate C, a shaft A, a spiral grooved wheel, a bearing fixing part, a coupler, a planetary gear motor fixing part, a planetary gear motor, a tubular fixing part, an end plate, a lifting ring, a square aluminum strip A, a square aluminum strip B, a square aluminum strip C, a square aluminum strip D, a spring steel plate A, a spring steel plate B, a spring steel plate C, a spring steel plate D, a cutter wheel A, a cutter wheel B, a cutter wheel C, a cutter wheel D, a cutter wheel E, a cutter wheel F, a cutter wheel G, a cutter wheel H, a shaft B, a shaft C, a shaft D, a shaft E, a cutter wheel I, a cutter wheel J, a cutter wheel K, a cutter wheel L, a cutter wheel M, a cutter wheel N, a cutter wheel O, a cutter wheel P, a shaft F, a shaft G, a shaft H and a shaft I; the blade A, the blade B, the blade C and the blade D are fixed on the fixing plate B and the fixing plate C through bolts, the shaft A penetrates through the fixing plate B and the fixing plate C and is fixed through nuts, and the spiral grooved pulley is fixed on the shaft A through jackscrews;
the bearing and the shaft A are arranged in the bearing fixing piece, and the outer part of the bearing fixing piece is fixed on the tubular fixing piece; the planetary gear motor is connected with the planetary gear motor fixing piece through a bolt and is fixed on the tubular fixing piece; the output shaft of the planetary gear motor is connected with the shaft A through a coupler; the end plate is fixed at the end part of the tubular fixing part through a bolt, and the hanging ring is fixed on the end plate through a bolt;
the square aluminum strip A, the square aluminum strip B, the square aluminum strip C and the square aluminum strip D are fixed on the tubular fixing piece through bolts; the spring steel plate A, the spring steel plate B, the spring steel plate C and the spring steel plate D are respectively fixed on the direction aluminum strip A, the square aluminum strip B, the square aluminum strip C and the square aluminum strip D through bolts;
the center holes of the cutter wheel A and the cutter wheel B penetrate through the shaft B to be positioned by the clamp spring, and the shaft B is fixed at one end of the spring steel plate A by a bolt; the center holes of the cutter wheel I and the cutter wheel J penetrate through a shaft F to be positioned by a clamp spring, and the shaft F is fixed at the other end of the spring steel plate A by a bolt;
the center holes of the cutter wheel C and the cutter wheel D penetrate through the shaft C to be positioned through the snap spring, the shaft C is fixed at one end of the spring steel plate B through a bolt, the center holes of the cutter wheel K and the cutter wheel L penetrate through the shaft G to be positioned through the snap spring, and the shaft G is fixed at the other end of the spring steel plate B through a bolt; the center holes of the knife flywheel E and the knife flywheel F penetrate through a shaft D to be positioned through a clamp spring, the shaft D is fixed at one end of a spring steel plate C through a bolt, the center holes of the knife flywheel M and the knife flywheel N penetrate through a shaft H to be positioned through the clamp spring, and the shaft H is fixed at the other end of the spring steel plate C through a bolt; the center holes of the cutter wheel G and the cutter wheel H penetrate through a shaft E to be positioned through a clamp spring, and the shaft E is fixed at one end of a spring steel plate D through a bolt; the center holes of the cutter wheel O and the cutter wheel P penetrate through the shaft I to be positioned through the snap spring, and the shaft I is fixed at the other end of the spring steel plate D through a bolt.
2. The device for preparing the bottom layer for the trenchless repair of the water injection pipeline according to claim 1, wherein the spiral grooved wheel is fixed on a shaft A through a jackscrew, the shaft A rotates to drive the spiral grooved wheel to rotate together with the blade A, the blade B, the blade C and the blade D, the spiral grooved wheel carries out rough coating on the coating in the pipeline, and the blade A, the blade B, the blade C and the blade D carry out fine coating on the coating in the pipeline.
3. The device for preparing the trenchless restoration bottom layer of the water injection pipeline according to claim 1, wherein the blades A, B, C and D are fixed on the fixing plates B and C through bolts to adjust the gap between the blades and the inner wall of the pipe and adjust the thickness of the coating layer.
4. The device for preparing the bottom layer for repairing the water injection pipeline in the trenchless excavation process of claim 1, wherein the spring steel plate A, the spring steel plate B, the spring steel plate C and the spring steel plate D apply force between the cutter wheel and the inner wall of the pipeline to ensure that the cutter wheel and the inner surface of the pipeline generate enough friction force along the circumferential direction of the pipeline and ensure that the tubular fixing part does not rotate in the circumferential direction of the pipeline when the device for coating the inner surface of the pipeline works.
5. The apparatus for preparing a repair primer for a water injection pipe in a trenchless environment of claim 1, wherein the elastic force of the spring steel plate allows the cutter wheel to generate sufficient friction with the inner surface of the pipe, and the apparatus for coating the inner surface of the pipe does not rotate in the pipe while moving in the axial direction of the pipe, i.e., does not rotate in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210090331.3A CN114535008B (en) | 2022-01-26 | 2022-01-26 | Non-excavation internal repair bottom layer preparation device for water injection pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210090331.3A CN114535008B (en) | 2022-01-26 | 2022-01-26 | Non-excavation internal repair bottom layer preparation device for water injection pipeline |
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| CN114535008A true CN114535008A (en) | 2022-05-27 |
| CN114535008B CN114535008B (en) | 2023-06-20 |
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2022
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|---|---|---|---|---|
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