WO1996007491B1 - Pipe cleaning tool and method of using - Google Patents
Pipe cleaning tool and method of usingInfo
- Publication number
- WO1996007491B1 WO1996007491B1 PCT/US1995/011154 US9511154W WO9607491B1 WO 1996007491 B1 WO1996007491 B1 WO 1996007491B1 US 9511154 W US9511154 W US 9511154W WO 9607491 B1 WO9607491 B1 WO 9607491B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pipe
- propulsor
- cleaning tool
- cutting head
- roller
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims abstract 57
- 239000012530 fluid Substances 0.000 claims abstract 26
- 230000000875 corresponding Effects 0.000 claims 12
- 230000000414 obstructive Effects 0.000 claims 8
- 230000002093 peripheral Effects 0.000 claims 6
- 230000004044 response Effects 0.000 claims 2
- 238000009987 spinning Methods 0.000 claims 2
- 230000005672 electromagnetic field Effects 0.000 claims 1
- 230000025508 response to water Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract 1
Abstract
A pipe cleaning tool (10) employing a cutting head (12) and propulsor (14) utilizes a plurality of roller cutters (18) on the cutting head (12). The rolling cutters (18) are coupled in a pairwise fashion to a rotatable car (72). The rotatable car (72) in turn is pivoted to the cutting head (12). Each of the cars (72) and, hence, the radial disposition of each of the roller cutters (18), is resiliently urged into a preferred radial disposition relative to the longitudinal axis of the cutting head (12). The pairs of roller cutters (18) are combined with a hydrolasing action with a following cutter disk (16) having a plurality of nozzle cuts (88) defined through its radial periphery. A rotatable tracker (96) is combined with the tool (10) to provide an electromagnetic signal directly indicating flow of fluid past the tool (10).
Claims
1. An improvement in a pipe cleaning tool having a propulsor unit and a cutting head coupled to said propulsor unit for cleaning a pipe having fluid flowing therethrough, said propulsor unit for propelling said tool through said pipe by flow of said fluid through said pipe comprising: a plurality of paired rotatable roller cutters disposed on said cutting head, each of said paired roller cutters being pivotally coupled as a pair to said cutting head by a corresponding roller cutter pivot rigidly disposed on said cutting head, the axis of rotation of each of the roller cutters being substantially parallel to the corresponding roller pivot and the axis of rotation of the roller cutters of each pair of roller cutters being spaced from and parallel from each other, so that radial disposition of each of said paired roller cutters with respect to said pipe cleaning tool is variable according to rotation thereof about its corresponding roller cutter pivot the axis of rotation of the roller cutters of each pair of roller cutters being disposed on opposite sides of the corresponding roller cutter pivot so that movement of one of said roller cutters of each pair of roller cutters is generally radially opposite that of the other roller cutter of the same pair of roller of cutters, whereby bends and internal obstructions within a pipe cleaned by said pipe cleaning tool are accommodated by said paired rollers making contact with said pipe instead of one roller.
2. The improvement of Claim 1 further comprising means for biasing each of said pairs of roller cutters in a predetermined radial disposition with respect to said cutting head.
3. The improvement of Claim 2 further comprising a plurality of roller cutter cars, said roller cutters of each of said pair of roller cutters being coupled to a respective one of said cars about said corresponding roller cutter pivot, each said car in turn being pivotally coupled to said cutting head by a car pivot pin.
4. The improvement of Claim 3 wherein said means for biasing comprises a spring mechanism bearing against each said roller cutter car to rotate each said roller cutter car about its respective car pivot pin into a preferred disposition on said cutting head.
22
5. An improvement in a pipe cleaning tool having a propulsor unit and a cutting head coupled to said propulsor unit for cleaning a pipe having fluid flowing therethrough, said propulsor unit for propelling said tool through said pipe by flow of said fluid through said pipe comprising: a plurality of paired roller cutters disposed on said cutting head, each of said paired roller cutters being pivotally coupled to said cutting head by a corresponding roller cutter pivot so that radial disposition of each of said paired roller cutters with respect to said pipe cleaning tool is variable according to rotation thereof about its corresponding roller cutter pivot; and a turbine-driven tracking device coupled to said cleaning tool for creating a fluctuating electromagnetic signal proportional to said flow of said fluid within said pipe by which said pipe tool may be tracked within said pipe and flow rate monitored, whereby bends and internal obstructions within a pipe cleaned by said pipe cleaning tool are accommodated by said paired rollers making contact with said pipe instead of one roller.
6. The improvement of Claim 5 wherein said turbine-driven tracking device comprises a disk, a plurality of spaced apart permanent magnets affixed to said disk, and a turbine affixed to said disk for rotating said plurality of magnets in response to fluid flow past said tracking device.
7. An improvement in a pipe cleaning tool having an impulse propulsor unit and a cutting head coupled to said impulse propulsor unit for cleaning a pipe having fluid flowing therethrough, said impulse propulsor unit for propelling said tool through said pipe by flow of said fluid through said pipe comprising: a plurality of paired roller cutters disposed on said cutting head, each of said paired roller cutters being pivotally coupled as a pair to said cutting head by a single common roller cutter pivot so that radial disposition of each of said paired roller cutters with respect to said pipe cleaning tool is variable according to opposite 2 3 rotation of each one of said pair of paired roller cutters about its corresponding single common roller cutter pivot; and wherein said impulse propulsor unit comprises at least one propulsor disk, said at least one disk comprising a plurality of rigid segments pivotally coupled to said pipe cleaning tool, so that bends and internal obstructions within a pipe cleaned by said pipe cleaning tool are accommodated by said paired rollers by collectively rotating about said single pivot instead of each roller rotating about separate pivots .
24
8. The improvement of Claim 7 further comprising a peripheral extension coupled to each said segment so that the diameter of said propulsor disk formed therefrom can be increased without the need to replace said segment so that said pipe cleaning tool may be used in different sized pipes.
9. The improvement of Claim 7 further comprising a stop for limiting rotation of each of said rigid segments in at least one predetermined direction.
10. An improvement in a pipe cleaning tool having a propulsor unit and a cutting head coupled to said propulsor unit for cleaning a pipe having fluid flowing therethrough, said propulsor unit for propelling said tool through said pipe by flow of said fluid through said pipe comprising: a plurality of paired roller cutters disposed on said cutting head, each of said paired roller cutters being pivotally coupled to said cutting head by a corresponding roller cutter pivot so that radial disposition of each of said paired roller cutters with respect to said pipe cleaning tool is variable according to rotation thereof about its corresponding roller cutter pivot; wherein said propulsor unit comprises at least one propulsor disk, said at least one disk comprising a plurality of rigid segments pivotally coupled to said pipe cleaning tool, and wherein said pipe cleaning tool has a longitudinal axis and wherein said propulsor unit has a plurality of propulsor disks and wherein each of said propulsor disks are comprised of a plurality of said rigid segments, said plurality of segments on one propulsor disk being angularly offset about said longitudinal axis of said pipe cleaning tool with respect to said plurality of segments of another one of said whereby bends and internal obstructions within a pipe cleaned by said pipe 25
cleaning tool are accommodated by said paired rollers making contact with said pipe instead of one roller.
11. The improvement of Claim 10 wherein each of said segments on each said propulsor disk is angularly spaced one from the other such that said segments may be rotated in a rearward direction relative to forward movement of said pipe cleaning tool without substantial interference with other segments on said propulsor disk to which said segments are coupled.
12. An improvement in a pipe cleaning tool having a propulsor unit and a cutting head coupled to said propulsor unit for cleaning a pipe having fluid flowing therethrough, said propulsor unit for propelling said tool through said pipe by flow of said fluid through said pipe comprising: a plurality of paired roller cutters disposed on said cutting head, each of said paired roller cutters being pivotally coupled to said cutting head by a corresponding roller cutter pivot so that radial disposition of each of said paired roller cutters with respect to said pipe cleaning tool is variable according to rotation thereof about its corresponding roller cutter pivot; wherein said propulsor unit comprises at least one propulsor disk, said at least one disk comprising a plurality of rigid segments pivotally coupled to said pipe cleaning tool, and wherein each of said segments has a radial outermost peripheral edge and further comprising a plurality of nozzles defined through said peripheral edge to define high velocity fluid flow through said peripheral edge for providing fluid jets for removing encrustations from said pipe,
whereby bends and internal obstructions within a pipe cleaned by said pipe cleaning tool are accommodated by said paired rollers making contact with said pipe instead of one roller.
26 13. The improvement of Claim 12 wherein each of said nozzles comprises a nozzle cut radially defined within a periphery of said segment.
27
14. A method for moving a pipe cleaning tool through a pipe having bends or internal obstructions therein while removing encrustations disposed within said pipe comprising the steps of:
providing a plurality of roller cutters on a cutting head of said pipe cleaning tool and a propulsor unit coupled to said cutting head, said roller cutters being pivotally coupled to said cutting head; and
varying radial disposition of said roller cutters from a longitudinal axis of said cutting head as said pipe cleaning tool is moved through said bends or internal obstructions to vary the effective cutting diameter of said pipe cleaning tool,
whereby said bends and internal obstructions are more easily navigated by said pipe cleaning tool within said pipe.
15. The method of Claim 14 where said step of varying said radial disposition of said roller cutter from said longitudinal axis of said cutting head comprises the steps of providing said roller cutters by pairs on a rotatable car, said car being rotatably coupled to said cutting head, and urging each pair of rollers cutters into a predetermined preferred radial disposition from said longitudinal axis of said cutting head.
16. The method of Claim 14 further comprising the steps of providing a plurality of peripheral nozzles around a radial circumference of said pipe cleaning tool and directing fluid jets through said nozzles into said encrustation in said pipe.
17. The method of Claim 14 further comprising the steps of spinning at least one permanent magnet to create a radiating electromagnetic field 28 proportional to flow, and providing rotary motion to said spinning magnet by a turbine driven by fluid flowing past said pipe cleaning tool.
29
18. An improvement in a pipe cleaning tool having a propulsor unit and a cutting head coupled to said propulsor unit for cleaning a pipe having fluid flowing therethrough, said propulsor unit for propelling said tool through said pipe by flow of said fluid through said pipe, said improvement comprising: a turbine-driven tracking device coupled to said cleaning tool for creating a fluctuating electromagnetic signal proportional to said flow of said fluid within said pipe by which said pipe tool may be tracked within said pipe and flow rate monitored.
19. The improvement of Claim 18 wherein said turbine-driven tracking device comprises a disk, a plurality of spaced apart permanent magnets affixed to said disk, and a turbine affixed to said disk for rotating said plurality of magnets in response to fluid flow past said tracking device.
20. An improvement in a pipe cleaning tool having an impulsive, nonturbine propulsor unit and a cutting head coupled to said propulsor unit for cleaning a pipe having fluid flowing therethrough, said impulsive, nonturbine propulsor unit having a longitudinal axis generally oriented when said tool is operative to a longitudinal axis of said pipe, said impulsive, nonturbine propulsor unit for propelling said tool through said pipe by flow of said fluid through said pipe by means of impulse forces generated by said impulsive, nonturbine propulsor unit in response to water pressure applied to said impulsive, nonturbine propulsor unit, wherein said impulsive, nonturbine propulsor unit comprises at least one propulsor disk, said disk comprising a plurality of rigid segments pivotally coupled to said pipe cleaning tool, said rigid segments coupled to said pipe cleaning tool to reciprocate about an axis generally perpendicular to said longitudinal axis of said tool .
21. The improvement of Claim 20 further comprising a peripheral extension coupled to each said segment so that the diameter of said at least one propulsor disk formed therefrom can be increased without the need to replace said segment so that said pipe cleaning tool may be used in different sized pipes. 30
22. The improvement of Claim 20 further comprising a stop for limiting rotation of each of said rigid segments in at least one predetermined direction.
23. An improvement in a pipe cleaning tool having a propulsor unit and a cutting head coupled to said propulsor unit for cleaning a pipe having fluid flowing therethrough, said propulsor unit for propelling said tool through said pipe by flow of said fluid through said pipe, wherein said propulsor unit comprises at least one propulsor disk, said disk comprising a plurality of rigid segments pivotally coupled to said pipe cleaning tool, wherein said pipe cleaning tool has a longitudinal axis and wherein said propulsor unit has a plurality of propulsor disks and wherein each of said propulsor disks are comprised of a plurality of said rigid segments, said plurality of segments on one propulsor disk being angularly offset about said longitudinal axis of said pipe cleaning tool with respect to said plurality of segments of another one of said propulsor disks so that longitudinal fluid flow past said pipe cleaning tool within said pipe impinges against at least one of said rigid segments.
24. The improvement of Claim 23 wherein each of said segments on each propulsor disk is angularly spaced one from the other such that said segments may be rotated in a rearward direction relative to forward movement of said pipe cleaning tool without substantial interference with other segments on said same propulsor disk.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MXPA/A/1997/001727A MXPA97001727A (en) | 1994-09-06 | 1995-09-01 | Tool for cleaning pipes and method of |
| JP50960496A JP3237851B2 (en) | 1994-09-06 | 1995-09-01 | Pipe cleaning tool |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/301,070 | 1994-09-06 | ||
| US08/301,070 US5617604A (en) | 1994-09-06 | 1994-09-06 | Pivoted roller cutter pipe cleaning tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1996007491A1 WO1996007491A1 (en) | 1996-03-14 |
| WO1996007491B1 true WO1996007491B1 (en) | 1996-05-17 |
Family
ID=23161806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1995/011154 WO1996007491A1 (en) | 1994-09-06 | 1995-09-01 | Pipe cleaning tool and method of using |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5617604A (en) |
| JP (1) | JP3237851B2 (en) |
| CA (1) | CA2197780A1 (en) |
| WO (1) | WO1996007491A1 (en) |
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| RU2466803C2 (en) * | 2011-04-14 | 2012-11-20 | Вацлав Владимирович Ежов | Hydrobarodynamic device for cleaning of inner surface of pressure pipelines |
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| KR101443882B1 (en) | 2014-05-29 | 2014-09-25 | 주식회사 코인즈 | Coating-layer removal device using linear stage robot for regenerating superannuated pipes |
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| CN107096772B (en) * | 2017-06-29 | 2019-04-02 | 中国五冶集团有限公司 | Concrete pumping pipe cleaning device for inner wall |
| RU2677503C1 (en) * | 2018-03-13 | 2019-01-17 | Публичное акционерное общество "Нефтяная компания "Роснефть" (ПАО "НК "Роснефть") | Device for delivery of devices to horizontal well based on borehole torpedo |
| CN109174848B (en) * | 2018-08-28 | 2020-07-10 | 嵊州市越通非开挖建设有限公司 | Pipeline cleaning device and method |
| CN109158389A (en) * | 2018-09-11 | 2019-01-08 | 西安石油大学 | A kind of spin jet stream pipe cleaning device |
| US11446710B2 (en) * | 2018-12-14 | 2022-09-20 | The Boeing Company | Wash and dry tool for enclosed channels and method for use |
| CN111151528B (en) * | 2020-02-25 | 2021-04-16 | 浙江康华物联科技有限公司 | Automatic production line of solar street lamp |
| CN111472721B (en) * | 2020-06-02 | 2022-05-27 | 平顶山天安煤业股份有限公司十矿 | Dredging equipment for preventing and treating water damage of mine |
| CN111744912B (en) * | 2020-07-10 | 2021-08-03 | 杭州舟桥建材有限公司 | Concrete mixing tank outlet inner wall cleaning device and using method thereof |
| CN112282041A (en) * | 2020-11-02 | 2021-01-29 | 靳红艳 | Scrubbing equipment for municipal pipeline dredging |
| CN112893345B (en) * | 2021-01-15 | 2022-12-23 | 山东华宝隆轻工机械有限公司 | Pipeline cleaning and impurity removing device suitable for various pipeline diameters |
| CN113145582B (en) * | 2021-04-22 | 2023-04-25 | 洛阳绿筑建筑材料有限公司 | Cleaning equipment for concrete conveying conduit |
| CN117960722B (en) * | 2024-04-02 | 2024-05-28 | 太原国泰新材料有限公司 | Pipeline rust remover in high pigment carbon black apparatus for producing |
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1994
- 1994-09-06 US US08/301,070 patent/US5617604A/en not_active Expired - Fee Related
-
1995
- 1995-09-01 JP JP50960496A patent/JP3237851B2/en not_active Expired - Fee Related
- 1995-09-01 CA CA002197780A patent/CA2197780A1/en not_active Abandoned
- 1995-09-01 WO PCT/US1995/011154 patent/WO1996007491A1/en active Application Filing
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