CN102518801B - Special faucet washing pipe compound sealing device for petroleum drilling machine - Google Patents
Special faucet washing pipe compound sealing device for petroleum drilling machine Download PDFInfo
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- CN102518801B CN102518801B CN201110420698.9A CN201110420698A CN102518801B CN 102518801 B CN102518801 B CN 102518801B CN 201110420698 A CN201110420698 A CN 201110420698A CN 102518801 B CN102518801 B CN 102518801B
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- washing pipe
- seal
- ring
- packing
- sealing device
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Abstract
The invention relates to the technical field of special faucet washing pipe sealing devices for petroleum drilling machines, in particular to a special faucet washing pipe compound sealing device for a petroleum drilling machine, which comprises an upper sealing device, a washing pipe, a central pipe, a lower sealing mounting pipe, a lower gland, a mechanical sealing device and a lower packing sealing device, and an upper gland is mounted above the washing pipe and integrated with the washing pipe through the upper sealing device. The special faucet washing pipe compound sealing device is reasonable and compact in structure and convenient in use, the washing pipe is doubly sealed by the mechanical sealing device and the lower packing sealing device, cement paste and fine sand can be effectively stopped by means of primary sealing of the mechanical sealing device, the special faucet washing pipe compound sealing device is fine in sealing effect and long in service life, the secondary sealing mode of packing sealing can be used for continuing sealing if the primary sealing loses effectiveness, accordingly, sealing time can be prolonged, replacement frequency of the sealing device is reduced, waste is decreased, working efficiency is improved, and the special faucet washing pipe compound sealing device enables faucet sealing to be effectively prolonged to six to twelve months.
Description
Technical field
the present invention relates to oil-well rig Special water tap washpipe packing device technique field, is a kind of Special faucet washing pipe compound sealing device for petroleum drilling machine.
Background technique
at present, the sealing means of oil-well rig Special water tap washing pipe, mainly adopts the mode of packing_seal; Packing_seal mode is adopted respectively in the top and bottom of washing pipe; Because the medium in water tap is cement slurry, containing more fine sand in cement slurry, the rubber seal ring of the packing_seal that very easily weares and teares; Especially washing pipe lower end install packing_seal, because it be main motive sealing position, so in seal process, fine sand very easily embeds in packing, formation packing wearing and tearing, the weak effect of sealing; Again because of its life cycle short (1 to 2 month), change frequent, not only causing larger waste, simultaneously when changing, also extremely delaying project progress.
Summary of the invention
the invention provides a kind of Special faucet washing pipe compound sealing device for petroleum drilling machine, overcome the deficiency of above-mentioned prior art, when it effectively can solve lower end employing packing_seal of water tap, sealing effect is poor, change frequent, cause the problem of corresponding waste and reduction project progress.
technological scheme of the present invention is realized by following measures: a kind of Special faucet washing pipe compound sealing device for petroleum drilling machine, comprises upper sealing device, washing pipe, center tube, lower seal mounting pipe, lower cover, mechanical seal device and lower packing seal arrangement; Above washing pipe, be provided with upper press cover, upper press cover and washing pipe are installed together by upper sealing device; Be provided with the center tube that can rotate in the below of washing pipe, the lower outside of washing pipe is set with lower seal mounting pipe, forms the cavity of annular between lower seal mounting pipe and washing pipe; Lower end and the center tube of lower seal mounting pipe are fixed together; Be fixedly connected with the dividing plate of annular in the middle inside of lower seal mounting pipe, the cavity between lower seal mounting pipe and washing pipe is separated into upper installation cavity and lower installation cavity by dividing plate; In upper installation cavity, be provided with lower packing seal arrangement, lower packing seal arrangement and washing pipe are fixed together; The lower cover that lower packing seal arrangement can be compressed is installed with in the upper end of lower seal mounting pipe; In lower installation cavity, mechanical seal device is installed; Top and the washing pipe of mechanical seal device are fixed together, and lower end and the center tube of mechanical seal device are fixed together.
here is the further optimization and/or improvements to foregoing invention technological scheme:
above-mentioned mechanical seal device comprises retainer, locating stud, Compress Spring, throw-out collar, stationary ring, rotating ring and anti-rotation pin; Retainer is the ring set that Open Side Down, has the radial pin-and-hole of at least one circle distribution, be fixed together between the top of retainer and washing pipe by locating stud on the top of retainer; The compression chamber of the annular that Open Side Down is formed between the bottom of retainer and washing pipe; Compress Spring, throw-out collar and stationary ring is installed with successively from top to bottom in lower installation cavity below retainer; The upper end of Compress Spring is fixedly mounted in compression chamber, and the lower end of Compress Spring is fixedly mounted on the upper outside of throw-out collar; Be provided with the rotating ring that can rotate in the below of stationary ring, the axial pin-and-hole of at least two circle distribution is arranged at the bottom of rotating ring, is fixed together between rotating ring and center tube by anti-rotation pin.
the lower outside of above-mentioned lower seal mounting pipe has the outer lug of annular, and outer lug and center tube have outside thread respectively, and lower locking union is fixedly connected on outside outer lug and center tube by screw thread; The upper end of outer lug is up-narrow and down-wide taper, and the lower locking union in outer lug upper end has the inner convex platform of annular, the lower end of inner convex platform is stuck in outer lug; Have the annular protrusion of annular in the upper end of center tube, annular protrusion is arranged on the lower inside of lower installation cavity and is fixed together by anti-rotation pin with rotating ring.
above-mentioned lower packing seal arrangement comprises packing_seal ring and spacer ring; Packing_seal ring and spacer ring are from top to bottom alternately fixed together successively; Two cover packing seal rings and spacer ring are installed in upper installation cavity and are fixedly mounted on the outside of washing pipe.
above-mentioned upper sealing device comprises packing_seal ring, spacer ring, upper sealed installing seat and upper locking and swims the ninth of the ten Heavenly Stems; The upper outside of washing pipe is provided with the upper sealed installing seat of opening upwards, spacer ring and packing_seal ring is sealed and installed with from top to bottom in upper sealed installing seat, the upper outside of the washing pipe corresponding with spacer ring and packing_seal ring has keyway, and spacer ring and packing_seal ring are arranged on the upper outside of washing pipe by key; Upper press cover is fixedly mounted on spacer ring upper end, by upper press cover and upper sealed installing seat to be installed together in upper locking trip ninth of the ten Heavenly Stems and spacer ring and packing_seal ring to be compressed.
seal ring is installed with between above-mentioned rotating ring and annular protrusion; Seal ring is installed with between stationary ring and washing pipe; Seal ring is installed with between packing_seal ring in upper sealed installing seat and upper press cover.
there is the connecting thread hole of at least two circle distribution the upper end of above-mentioned lower seal mounting pipe, lower seal mounting pipe and lower cover and between be fixed together by lower cover screw.
reasonable and compact in structure of the present invention, easy to use; Carry out double-sealing by mechanical seal device and lower packing seal arrangement to washing pipe, the primary seal of mechanical seal device can effectively stop cement slurry fine sand, good sealing effect, long service life; As the first seal failure, the secondary seal mode of packing_seal can be adopted to continue sealing, the time of sealing can be extended like this, reduce the replacement frequency of seal arrangement, cut the waste, increase work efficiency; This invention can make water tap seal effectively extend 6 to 12 months.
Accompanying drawing explanation
accompanying drawing 1 is that the master of preferred embodiment looks sectional structure schematic diagram.
coding in accompanying drawing is respectively: 1 is washing pipe, and manage centered by 2,3 is lower seal mounting pipe, 4 is dividing plate, and 5 is lower cover, and 6 is retainer, 7 is locating stud, and 8 is compression chamber, and 9 is Compress Spring, 10 is throw-out collar, and 11 is stationary ring, and 12 is rotating ring, 13 is anti-rotation pin, 14 is outer lug, and 15 is lower locking union, and 16 is inner convex platform, 17 is annular protrusion, 18 is seal ring, and 19 is packing_seal ring, and 20 is spacer ring, 21 is lower cover screw, 22 is upper press cover, and 23 is upper sealed installing seat, and 24 is the upper locking trip ninth of the ten Heavenly Stems.
Embodiment
the present invention by the restriction of following embodiment, can not determine concrete mode of execution according to technological scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in Figure 1, this Special faucet washing pipe compound sealing device for petroleum drilling machine comprises upper sealing device, washing pipe 1, center tube 2, lower seal mounting pipe 3, lower cover 5, mechanical seal device and lower packing seal arrangement; Above washing pipe 1, be provided with upper press cover 22, upper press cover 22 and washing pipe 1 are installed together by upper sealing device; Be provided with the center tube 2 that can rotate in the below of washing pipe 1, the lower outside of washing pipe 1 is set with lower seal mounting pipe 3, forms the cavity of annular between lower seal mounting pipe 3 and washing pipe 1; Lower end and the center tube 2 of lower seal mounting pipe 3 are fixed together; Be fixedly connected with the dividing plate 4 of annular in the middle inside of lower seal mounting pipe 3, the cavity between lower seal mounting pipe 3 and washing pipe 1 is separated into upper installation cavity and lower installation cavity by dividing plate 4; In upper installation cavity, be provided with lower packing seal arrangement, lower packing seal arrangement and washing pipe 1 are fixed together; The lower cover 5 that lower packing seal arrangement can be compressed is installed with in the upper end of lower seal mounting pipe 3; In lower installation cavity, mechanical seal device is installed; Top and the washing pipe 1 of mechanical seal device are fixed together, and lower end and the center tube 2 of mechanical seal device are fixed together.Mechanical seal device and lower packing seal arrangement carry out double-sealing, namely the cement slurry leaked by washing pipe 1 and center tube 2 is first sealed by mechanical seal device, after seal failure, by lower packing seal arrangement sealing, prevent from leaking between the adjacent junction plane between washing pipe 1 and lower cover 5; It is reliable that mechanical seal has sealing, and in macrocyclic operation, sealing state is very stable, and leakage rate is very little, the features such as working life, makes invention frequently need not change seal arrangement, increases work efficiency.
according to actual needs, above-mentioned Special faucet washing pipe compound sealing device for petroleum drilling machine can be made further optimization and/or improvements:
as shown in Figure 1, mechanical seal device comprises retainer 6, locating stud 7, Compress Spring 9, throw-out collar 10, stationary ring 11, rotating ring 12 and anti-rotation pin 13; Retainer 6 is the ring set that Open Side Down, has the radial pin-and-hole of at least one circle distribution on the top of retainer 6, is fixed together between the top of retainer 6 and washing pipe 1 by locating stud 7; The compression chamber 8 of the annular that Open Side Down is formed between the bottom of retainer 6 and washing pipe 1; Compress Spring 9, throw-out collar 10 and stationary ring 11 is installed with from top to bottom successively in lower installation cavity below retainer 6; The upper end of Compress Spring 9 is fixedly mounted in compression chamber 8, and the lower end of Compress Spring 9 is fixedly mounted on the upper outside of throw-out collar 10; Be provided with the rotating ring 12 that can rotate in the below of stationary ring 11, the axial pin-and-hole of at least two circle distribution is arranged at the bottom of rotating ring 12, is fixed together between rotating ring 12 and center tube 2 by anti-rotation pin 13.By the yield force of Compress Spring 9, Compress Spring 9 is made to promote throw-out collar 10 and stationary ring 11, thus compression rotating ring 12, make to produce motive sealing between rotating ring 12 and center tube 2; In the process, washing pipe 1 is fixed, center tube 2 rotates, the lower seal mounting pipe 3 be connected with center tube 2 is rotated, owing to being connected by locating stud 7 between retainer 6 with washing pipe 1, retainer 6 is fixed, and connected Compress Spring 9, throw-out collar 10 and stationary ring 11 are all fixedly mounted on washing pipe 1, plays the effect of compression rotating ring 12.
as shown in Figure 1, have the outer lug 14 of annular at the lower outside of lower seal mounting pipe 3, outer lug 14 and center tube 2 have outside thread respectively, and lower locking union 15 is fixedly connected on outside outer lug 14 and center tube 2 by screw thread; The upper end of outer lug 14 is up-narrow and down-wide taper, and the lower locking union 15 in outer lug 14 upper end has the inner convex platform 16 of annular, the lower end of inner convex platform 16 is stuck in outer lug 14; Have the annular protrusion 17 of annular in the upper end of center tube 2, annular protrusion 17 is arranged on the lower inside of lower installation cavity and is fixed together by anti-rotation pin 13 with rotating ring 12.By lower locking union 15, center tube 2 and lower seal mounting pipe 3 are fixedly installed togather, so also can play and prevent center tube 2 from leaking with the adjacent junction plane of lower seal mounting pipe 3, play the effect of sealing.
as shown in Figure 1, upper sealing device comprise packing_seal ring 19, spacer ring 20, upper sealed installing seat 23 and upper locking trip the ninth of the ten Heavenly Stems 24; The upper outside of washing pipe 1 is installed with the upper sealed installing seat 23 of opening upwards, spacer ring 20 and packing_seal ring 19 is sealed and installed with from top to bottom in upper sealed installing seat 23, the upper outside of the washing pipe 1 corresponding with spacer ring 20 and packing_seal ring 19 has keyway, and spacer ring 20 and packing_seal ring 19 are arranged on the upper outside of washing pipe 1 by key; Upper press cover 22 is fixedly mounted on spacer ring 20 upper end, upper press cover 22 and upper sealed installing seat 23 by upper lock to swim be installed together the ninth of the ten Heavenly Stems 24 and spacer ring 20 and packing_seal ring 19 compressed.
as shown in Figure 1, lower packing seal arrangement comprises packing_seal ring 19 and spacer ring 20; In upper installation cavity, being alternately sealed and installed with two cover packing seal rings 19 with spacer ring 20 is fixedly mounted on the lower outside of washing pipe 1.Like this, compressed by lower cover 5 pairs of packing_seal rings 19 and spacer ring 20, make it play the effect of sealing.
as shown in Figure 1, between rotating ring 12 and annular protrusion 17, seal ring 18 is installed with; Seal ring 18 is installed with between stationary ring 11 and washing pipe 1; Seal ring 18 is installed with between packing_seal ring 1 in upper sealed installing seat 23 and upper press cover 22.
as shown in Figure 1, have the connecting thread hole of at least two circle distribution in the upper end of lower seal mounting pipe 3, lower seal mounting pipe 3 and lower cover 5 and between be fixed together by lower cover screw 21.Be convenient to the installation and removal between lower cover 5 and lower seal mounting pipe 3 like this.
above technical characteristics constitutes most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, meet the demand of different situations.
Claims (1)
1. a Special faucet washing pipe compound sealing device for petroleum drilling machine, is characterized in that comprising upper sealing device, washing pipe, center tube, lower seal mounting pipe, lower cover, mechanical seal device and lower packing seal arrangement, above washing pipe, be provided with upper press cover, upper press cover and washing pipe are installed together by upper sealing device, be provided with the center tube that can rotate in the below of washing pipe, the lower outside of washing pipe is set with lower seal mounting pipe, forms the cavity of annular between lower seal mounting pipe and washing pipe, lower end and the center tube of lower seal mounting pipe are fixed together, be fixedly connected with the dividing plate of annular in the middle inside of lower seal mounting pipe, the cavity between lower seal mounting pipe and washing pipe is separated into upper installation cavity and lower installation cavity by dividing plate, in upper installation cavity, be provided with lower packing seal arrangement, lower packing seal arrangement and washing pipe are fixed together, the lower cover that lower packing seal arrangement can be compressed is installed with in the upper end of lower seal mounting pipe, in lower installation cavity, mechanical seal device is installed, top and the washing pipe of mechanical seal device are fixed together, and lower end and the center tube of mechanical seal device are fixed together, wherein: mechanical seal device comprises retainer, locating stud, Compress Spring, throw-out collar, stationary ring, rotating ring and anti-rotation pin, retainer is the ring set that Open Side Down, has the radial pin-and-hole of at least one circle distribution, be fixed together between the top of retainer and washing pipe by locating stud on the top of retainer, the compression chamber of the annular that Open Side Down is formed between the bottom of retainer and washing pipe, Compress Spring, throw-out collar and stationary ring is installed with successively from top to bottom in lower installation cavity below retainer, the upper end of Compress Spring is fixedly mounted in compression chamber, and the lower end of Compress Spring is fixedly mounted on the upper outside of throw-out collar, be provided with the rotating ring that can rotate in the below of stationary ring, the axial pin-and-hole of at least two circle distribution is arranged at the bottom of rotating ring, is fixed together between rotating ring and center tube by anti-rotation pin, the lower outside of lower seal mounting pipe has the outer lug of annular, and outer lug and center tube have outside thread respectively, and lower locking union is fixedly connected on outside outer lug and center tube by screw thread, the upper end of outer lug is up-narrow and down-wide taper, and the lower locking union in outer lug upper end has the inner convex platform of annular, the lower end of inner convex platform is stuck in outer lug, have the annular protrusion of annular in the upper end of center tube, annular protrusion is arranged on the lower inside of lower installation cavity and is fixed together by anti-rotation pin with rotating ring, lower packing seal arrangement comprises packing_seal ring and spacer ring, and packing_seal ring and spacer ring are from top to bottom alternately fixed together successively, is provided with two cover packing seal rings and spacer ring and is fixedly mounted on the outside of washing pipe in upper installation cavity, upper sealing device comprises packing_seal ring, spacer ring, upper sealed installing seat and upper locking union, the upper outside of washing pipe is installed with the upper sealed installing seat of opening upwards, spacer ring and packing_seal ring is sealed and installed with from top to bottom in upper sealed installing seat, the upper outside of the washing pipe corresponding with spacer ring and packing_seal ring has keyway, spacer ring and packing_seal ring are arranged on the upper outside of washing pipe by key, upper press cover is fixedly mounted on spacer ring upper end, upper press cover and upper sealed installing seat are installed together by upper locking union and spacer ring and packing_seal ring are compressed, seal ring is installed with between rotating ring and annular protrusion, seal ring is installed with between stationary ring and washing pipe, seal ring is installed with between packing_seal ring in upper sealed installing seat and upper press cover, there is the connecting thread hole of at least two circle distribution the upper end of lower seal mounting pipe, lower seal mounting pipe and lower cover and between be fixed together by lower cover screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420698.9A CN102518801B (en) | 2011-12-15 | 2011-12-15 | Special faucet washing pipe compound sealing device for petroleum drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420698.9A CN102518801B (en) | 2011-12-15 | 2011-12-15 | Special faucet washing pipe compound sealing device for petroleum drilling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102518801A CN102518801A (en) | 2012-06-27 |
| CN102518801B true CN102518801B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110420698.9A Expired - Fee Related CN102518801B (en) | 2011-12-15 | 2011-12-15 | Special faucet washing pipe compound sealing device for petroleum drilling machine |
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| Country | Link |
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| CN (1) | CN102518801B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156050B (en) * | 2015-06-19 | 2019-01-15 | 北京捷杰西石油设备有限公司 | Oil and gas well drilling washing pipe assembly |
| CN108050134A (en) * | 2017-12-08 | 2018-05-18 | 周宝龙 | A kind of special snap-fit connecting flange structure |
| CN109751402B (en) * | 2019-01-18 | 2023-10-03 | 江苏徐工工程机械研究院有限公司 | Vehicle-mounted coalbed methane drill power head reduction gearbox |
| CN111853241A (en) * | 2020-07-28 | 2020-10-30 | 河南华中科翔石油机械有限公司 | Washing pipe sealing ultrahigh-pressure sealing packing for drilling machine faucet |
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| WO2002101191A2 (en) * | 2001-06-12 | 2002-12-19 | Utex Industries, Inc. | Packing assembly for rotary drilling swivels |
| EP1469243A1 (en) * | 2003-04-15 | 2004-10-20 | National-Oilwell, L.P. | A swivel seal assembly, a method for increasing the life of a swivel seal and a swivel |
| EP1849957A1 (en) * | 2006-04-27 | 2007-10-31 | National-Oilwell Varco, L.P. | Swivel seal assembly for washpipe |
| CN201198744Y (en) * | 2008-05-16 | 2009-02-25 | 高邮市华兴石油机械制造有限公司 | Packing apparatus capable of rapidly changing faucet |
| CN201443592U (en) * | 2009-05-30 | 2010-04-28 | 潍坊世华化工有限公司 | Combined device for sealing rotary shaft |
| CN201554686U (en) * | 2009-10-31 | 2010-08-18 | 邬国平 | Mechanical sealing device for marine pump |
| CN202327109U (en) * | 2011-12-15 | 2012-07-11 | 中国石油集团西部钻探工程有限公司 | Water faucet flushing pipe composite sealing device special for petroleum drilling machine |
-
2011
- 2011-12-15 CN CN201110420698.9A patent/CN102518801B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002101191A2 (en) * | 2001-06-12 | 2002-12-19 | Utex Industries, Inc. | Packing assembly for rotary drilling swivels |
| EP1469243A1 (en) * | 2003-04-15 | 2004-10-20 | National-Oilwell, L.P. | A swivel seal assembly, a method for increasing the life of a swivel seal and a swivel |
| EP1849957A1 (en) * | 2006-04-27 | 2007-10-31 | National-Oilwell Varco, L.P. | Swivel seal assembly for washpipe |
| CN201198744Y (en) * | 2008-05-16 | 2009-02-25 | 高邮市华兴石油机械制造有限公司 | Packing apparatus capable of rapidly changing faucet |
| CN201443592U (en) * | 2009-05-30 | 2010-04-28 | 潍坊世华化工有限公司 | Combined device for sealing rotary shaft |
| CN201554686U (en) * | 2009-10-31 | 2010-08-18 | 邬国平 | Mechanical sealing device for marine pump |
| CN202327109U (en) * | 2011-12-15 | 2012-07-11 | 中国石油集团西部钻探工程有限公司 | Water faucet flushing pipe composite sealing device special for petroleum drilling machine |
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| Publication number | Publication date |
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| CN102518801A (en) | 2012-06-27 |
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