CN101608537A - Multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box - Google Patents

Multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box Download PDF

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Publication number
CN101608537A
CN101608537A CNA2009101485155A CN200910148515A CN101608537A CN 101608537 A CN101608537 A CN 101608537A CN A2009101485155 A CNA2009101485155 A CN A2009101485155A CN 200910148515 A CN200910148515 A CN 200910148515A CN 101608537 A CN101608537 A CN 101608537A
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CN
China
Prior art keywords
packing
eccentric
pressure cap
ball seat
rod
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Granted
Application number
CNA2009101485155A
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Chinese (zh)
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CN101608537B (en
Inventor
谢仕洪
王斌
路兴旺
李波
高亚全
陈平
夏雷
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Petrochina Co Ltd
Daqing Oilfield Co Ltd
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Daqing Oilfield Co Ltd
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Priority to CN2009101485155A priority Critical patent/CN101608537B/en
Publication of CN101608537A publication Critical patent/CN101608537A/en
Application granted granted Critical
Publication of CN101608537B publication Critical patent/CN101608537B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The present invention relates to a kind of multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box.This multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box by burglar-proof mechanism, polished rod disconnectedly take off anti-spraying mechanism, rotatable pair of core-regulating mechanism, packing compensate thrust mechanism automatically and the polished rod lubricating arrangement is formed.The present invention has reliable operation, tuningout is effective, sealing performance is strong, simple to operate, safe characteristics.

Description

Multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box
Technical field:
The present invention relates to the used a kind of packing box in oil recovery field, oil field, particularly a kind of multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box.
Background technology:
Movable packing box is a kind of mode of oil field machinery oil wellhead polish rod sealing, is when being used for preventing the sucker rod up-down stroke, and the oil water mixture in the pit shaft runs off between packing box and polished rod.The kind that use in present oil field is dual mode substantially, a kind of seal nipple sphere wallowing motion that leans on is adjusted outstanding rope center of pumping unit horsehead and wellhead polish rod center, another kind is that move on the flat seal plane, but polished rod and packing_seal section can not tilt, do not satisfy mule-head hanger and connect polished rod and pumping unit horsehead, make polished rod be in the compliant member of well head center, when moving up and down, polished rod produces polished rod eccentric wear phenomenon, sealing effectiveness is poor, and, after the saboteur dismantled the packing box gland, the oil water mixture in the pit shaft and the oil water mixture of oil return main line were from packing box ejection contaminated environment.Though existing rod-pumped well mouth polish rod sealed packing box has certain tuningout function, but because of designing the defective that exists, still can not satisfy the big condition of the Northeast's temperature difference, cause oil pumper well head and polished rod to misalign, break and take off bar and antitheft requirement, the situation of packing box place ejection oil water mixture contaminated environment often takes place, not only delay normal oil recovery, also increased personnel labor.
The utility model content:
In order to solve the problem that background technology exists, the invention provides a kind of theftproof performance packing box that has, the present invention has reliable operation, tuningout is effective, sealing performance is strong, simple to operate, safe characteristics.
Technical scheme of the present invention is: the antitheft packing box of this multifunctional oil-extractor polish-rod double heart comprises the bottom connector, on the connector of bottom, the lower end is threaded with big pressure cap and well head wax removal rubber gate respectively, be provided with the packing cover in the connector of described bottom, in packing overlaps and between the polished rod packing is housed, the packing set upper side is equipped with and compresses plug, compress the hole that one group of symmetry is arranged on the plug, compress the plug upper surface spray-proof ball is arranged, the spray-proof ball top has the lower eccentric ball seat to be fastened in the connector of bottom, hollow inside, lower eccentric ball seat lower end is the conical surface, the inner sphere in lower eccentric ball seat upper end for matching with eccentric bulb, lower eccentric ball seat top is the eccentric ball seat in the top that is positioned at big pressure cap, the sphere of the eccentric ball seat inwall in top for matching with eccentric bulb, eccentric bulb top is threaded with pressure cap and lower inner wall is the conical surface, the center of the misalignment polished rod of eccentric bulb and lower eccentric ball seat, be placed with the compression spring successively in the ring cavity between eccentric bulb and the polished rod, the rubber seat, the middle part packing, dividing plate, middle part packing and packing pressure cap, packing pressure cap top is a spacer, the top packing is sealed by seal cover, seal cover is threaded with pressure cap, between packing pressure cap top and spacer and the polished rod ring cavity is arranged, have through hole and shoulder hole on packing pressure cap and the pressure cap wall, through hole is corresponding with shoulder hole and communicate with ring cavity, be fixed with grease nipple in the large aperture, the outside of shoulder hole, grease nipple is equipped with spring and steel ball.
Between above-mentioned lower eccentric ball seat lower surface and the bottom connector sealing mat is arranged; Be provided with " O " RunddichtringO between lower eccentric ball seat and the eccentric bulb; Be fixed with moving rod on the pressure cap wall.
The present invention has following beneficial effect: the present invention uses by field trial, can address the problem: 1, antitheft: be provided with packing unit in the connector of bottom and compress the plug cooperation, when the saboteur dismantles the packing box gland and drains the oil, packing in the ball seat keeps sealing state with polished rod all the time, and oil water mixture can not spray from packing box in the pit shaft.2, adopt eccentric bulb to adjust the packing box plane and move and the adjustment of eccentric sphere brilliance degree, reduce eccentric wear between packing and the polished rod.3, utilization compression spring compensates the way that compresses automatically, solves preferably between packing and the polished rod to seal.4, pressure cap is provided with the lubricating grease oil pocket, and utilization lubricating grease reduces the frictional force of packing and polished rod.5, in the process of rod-pumped well operation, when polished rod is disconnected when taking off, be provided with blowout hookup, utilize hydraulic pressure to seal well head, prevent blowout, contaminated environment.This novel reliable operation, tuningout is effective, and sealing performance is strong, simple to operate, safety.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is accompanying drawing 1A-A direction partial sectional views.
1-bottom connector among the figure, 2-packing cover, the 3-packing, 4-compresses plug, the 5-spray-proof ball, the 6-sealing mat, 7-lower eccentric ball seat, 8-" O " RunddichtringO, the eccentric bulb of 9-, the eccentric ball seat in 10-top, the big pressure cap of 11-, 12-compresses spring, 13-rubber seat, 14-middle part packing, 15-dividing plate, 16-packing pressure cap, 17-pressure cap, 18-spacer, 19-top packing, 20-seal cover, the 21-shoulder hole, 22-moving rod, 23-polished rod, 24-hole, 25-ring cavity, the 26-through hole, 27-grease nipple, 28-spring, 29-steel ball.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing: as shown in the drawing: this multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box by burglar-proof mechanism, polished rod disconnectedly take off anti-spraying mechanism, rotatable pair of core-regulating mechanism, packing compensate thrust mechanism automatically and the polished rod lubricating arrangement is formed:
The antitheft packing box of the multifunctional oil-extractor polish-rod double heart comprises bottom connector 1, connector 1 upper and lower end in bottom is threaded with big pressure cap 11 and well head wax removal rubber gate respectively, compress plug 4 upper surfaces spray-proof ball 5 is arranged, spray-proof ball 5 tops have the lower eccentric ball seat 7 that can rotate to be fastened in the bottom connector 1, hollow lower eccentric ball seat 7 lower end inwalls are the conical surface, the sphere of lower eccentric ball seat 7 upper end inwalls for matching with eccentric bulb 9 is provided with " O " RunddichtringO 8 between lower eccentric ball seat 7 and the eccentric bulb 9.Between lower eccentric ball seat 7 lower surfaces and the bottom connector 1 sealing mat 6 is arranged.Lower eccentric ball seat 7 tops are the eccentric ball seat 10 in top, the eccentric ball seat 10 in top is positioned at big pressure cap 11, the sphere of eccentric ball seat 10 inwalls in top for matching with eccentric bulb 9, eccentric bulb 9 tops are threaded with pressure cap 16 and lower inner wall is the conical surface, be placed with compression spring 12 in the ring cavity between eccentric bulb 9 and the polished rod 23 successively, rubber seat 13, middle part packing 14, dividing plate 15, middle part packing 14 and packing pressure cap 17,12 on spring of compression is on eccentric bulb 9, packing pressure cap 17 tops are spacer 18, top packing 19, spacer 18, top packing 19 is positioned at seal cover 20, seal cover 20 is threaded with pressure cap 16, between packing pressure cap 17 tops and spacer 18 and the polished rod 23 ring cavity 25 is arranged, have through hole 26 and shoulder hole 21 on packing pressure cap 17 and pressure cap 16 walls, through hole 26 and shoulder hole 21 are corresponding and communicate with ring cavity 25, be fixed with grease nipple 27 in large aperture, the outside part of shoulder hole 21, spring 29 and steel ball 28 are installed in the grease nipple 27.Be fixed with moving rod 22 on pressure cap 16 walls.
1, burglar-proof mechanism: on the bottom connector 1, the lower end is threaded with big pressure cap 11 and well head wax removal rubber gate respectively, putting into rubber packing 3 usefulness in the bottom connector 1 in the packing cover 2 compresses plug 4 and locks and be connected with bottom connector 1, the upper end extension of packing cover 2, epitaxial part hangs on bottom connector 1 inwall, compress the hole 24 that one group of symmetry is arranged on the plug 4, need to open with special tool, has the anti-theft and anti-damage function, when the saboteur dismantled packing box gland well, the oil water mixture of oil water mixture and oil return main line can not be from packing box ejection contaminated environment in the pit shaft.
2, polished rod is disconnected takes off blowout hookup: compress in bottom connector 1 cavity of plug 4 tops spray-proof ball 5 is installed, when polished rod is disconnected when taking off spray-proof ball 5 enters spray-proof ball 5 on eccentric bulb 9 inner conical surfaces along with the pressure of down-hole crude oil by lower eccentric ball seat 7 inner conical surfaces, form sealing, avoid oil water mixture to run off, realize the environmental protection purpose from packing box.
3, rotatable pair of core-regulating mechanism: between lower eccentric ball seat 7 lower surfaces and the bottom connector 1 sealing mat 6 is arranged, the eccentric throw that sealing mat 6 is used for bottom connector and lower eccentric ball seat 7 is 3.5mm end face seal effect, the lower eccentric ball seat can rotate in any 360 ° of scopes of bottom connector, the center of the misalignment polished rod 23 of eccentric bulb 9 and lower eccentric ball seat 7, the eccentric throw of eccentric bulb 9 is that 3.5mm can move the adjustment eccentric distance at any angle in the 0~3.5mm scope of plane, the angle of inclination can be adjusted in 0~8 ° of scope, use 8 crush seals of " O " type circle in the middle of the eccentric sphere, adjusting the outstanding rope center of horse head and wellhead polish rod center is that 3.5mm formation sphere cooperates up and down with the eccentric throw of top eccentric sphere seat 10, tighten with big pressure cap 11, realized the eccentric sphere head plane and two alignings that tilt, reduced well head and polished rod and misalign polished rod eccentric wear phenomenon.
4, packing compensates thrust mechanism automatically: will compress spring 12, rubber seat 13, packing 14, dividing plate 15 and put into eccentric bulb 9, be connected with eccentric bulb 9 with packing pressure cap 16, when sucker rod moves up and down compression spring 12 automatically compensation produce thrusts.Guarantee to seal between packing and the polished rod, oil water mixture can not be from packing box ejection contaminated environment.
5, polished rod lubricating arrangement: packing pressure cap 17, spacer 18, packing 19 are put into pressure cap 16 usefulness seal covers 20 form cavity in the middle of being threaded.Pressure cap 16 is provided with moving rod 22 and inserted grease nipple 27, and grease nipple 27 is made up of spring 28 steel balls 29, and lubricating grease is lubricated by utilization lubricating grease in the grease nipple 27 injection cavitys and reduces packing and polished rod 23 frictional force.Packing pressure cap 17 can screw out when eccentric bulb 9 adds packing automatically, reduces personnel labor, improves the application life of packing, reaches consumption reduction synergy purpose.

Claims (4)

1, the antitheft packing box of a kind of multifunctional oil-extractor polish-rod double heart, comprise bottom connector (1), on the bottom connector (1), the lower end is threaded with big pressure cap (11) and well head wax removal rubber gate respectively, it is characterized in that: be provided with packing cover (2) in the described bottom connector (1), in the packing cover (2) and between the polished rod (23) packing (3) is housed, packing cover (2) upper end is equipped with and compresses plug (4), compress the hole of one group of symmetry (24) is arranged on the plug (4), compress plug (4) upper surface spray-proof ball (5) is arranged, spray-proof ball (5) top has lower eccentric ball seat (7) to be fastened in the bottom connector (1), hollow lower eccentric ball seat (7) lower end inwall is the conical surface, the sphere of lower eccentric ball seat (7) upper end inwall for matching with eccentric bulb (9), lower eccentric ball seat (7) top is the eccentric ball seat (10) in the top that is positioned at big pressure cap (11), the sphere of eccentric ball seat (10) inwall in top for matching with eccentric bulb (9), eccentric bulb (9) top is threaded with pressure cap (16) and lower inner wall is the conical surface, the center of the misalignment polished rod (23) of eccentric bulb (9) and lower eccentric ball seat (7), be placed with compression spring (12) in the ring cavity between eccentric bulb (9) and the polished rod (23) successively, rubber seat (13), middle part packing (14), dividing plate (15), middle part packing (14) and packing pressure cap (17), packing pressure cap (17) top is spacer (18), top packing (19) is sealed by seal cover (20), seal cover (20) is threaded with pressure cap (16), between packing pressure cap (17) top and spacer (18) and the polished rod (23) ring cavity (25) is arranged, have through hole (26) and shoulder hole (21) on packing pressure cap (17) and pressure cap (16) wall, through hole (26) is corresponding with shoulder hole (21) and communicate with ring cavity (25), be fixed with grease nipple (27) in the large aperture, the outside of shoulder hole (21), spring (29) and steel ball (28) are installed in the grease nipple (27).
2, the antitheft packing box of the multifunctional oil-extractor polish-rod double heart according to claim 1 is characterized in that: between lower eccentric ball seat (7) lower surface and the bottom connector (1) sealing mat (6) is arranged.
3, the antitheft packing box of the multifunctional oil-extractor polish-rod double heart according to claim 1 is characterized in that: be provided with " O " RunddichtringO (8) between lower eccentric ball seat (7) and the eccentric bulb (9).
4, the antitheft packing box of the multifunctional oil-extractor polish-rod double heart according to claim 1 is characterized in that: be fixed with moving rod (22) on pressure cap (16) wall.
CN2009101485155A 2009-06-26 2009-06-26 Multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box Expired - Fee Related CN101608537B (en)

Priority Applications (1)

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CN2009101485155A CN101608537B (en) 2009-06-26 2009-06-26 Multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box

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Application Number Priority Date Filing Date Title
CN2009101485155A CN101608537B (en) 2009-06-26 2009-06-26 Multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box

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CN101608537A true CN101608537A (en) 2009-12-23
CN101608537B CN101608537B (en) 2012-11-28

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101963050A (en) * 2010-10-08 2011-02-02 高洪江 Sucker rod deviation-based anti-eccentric wear sealing packing box
CN102747978A (en) * 2012-07-13 2012-10-24 大庆井泰石油工程技术股份有限公司 Wellhead centering device
CN105888597A (en) * 2016-06-02 2016-08-24 富振海 Universal wellhead centering device of oil pumping unit
WO2017117837A1 (en) * 2016-01-08 2017-07-13 于立成 Wellhead sealing device of sucker-rod pumping machine
CN110107245A (en) * 2019-05-10 2019-08-09 辽宁新华仪器有限公司 Pumping unit well head blowout-preventing controls tool
CN115324516A (en) * 2022-10-13 2022-11-11 东营华辰石油装备有限公司 Air bag compensation type polish rod sealer for oil pumping unit
CN110107245B (en) * 2019-05-10 2024-05-10 辽宁新华仪器有限公司 Blowout prevention control tool for wellhead of pumping unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1740623A1 (en) * 1989-04-14 1992-06-15 Всесоюзный нефтяной научно-исследовательский институт по технике безопасности Packer
CN1059778A (en) * 1990-09-12 1992-03-25 马绍国 Sealing of oil pumper well head and blowout hookup
CN2353880Y (en) * 1998-10-25 1999-12-15 胜利石油管理局胜利采油厂 Follow-up-centring polish-rod sealer for oil-pumping well mouth
CN2576956Y (en) * 2002-10-09 2003-10-01 胜利石油学校实习工厂 Offsetting anti-theft radial polish rod sealing device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101963050B (en) * 2010-10-08 2013-11-13 高洪江 Sucker rod deviation-based anti-eccentric wear sealing packing box
CN101963050A (en) * 2010-10-08 2011-02-02 高洪江 Sucker rod deviation-based anti-eccentric wear sealing packing box
CN102747978A (en) * 2012-07-13 2012-10-24 大庆井泰石油工程技术股份有限公司 Wellhead centering device
US10760367B2 (en) 2016-01-08 2020-09-01 Licheng Yu Wellhead sealing device of sucker-rod pumping machine
WO2017117837A1 (en) * 2016-01-08 2017-07-13 于立成 Wellhead sealing device of sucker-rod pumping machine
CN106958430A (en) * 2016-01-08 2017-07-18 于立成 Rod beam-pumping unit well head sealing apparatus
US11261687B2 (en) 2016-01-08 2022-03-01 Licheng Yu Wellhead sealing device of sucker-rod pumping machine
CN106958430B (en) * 2016-01-08 2019-10-18 于立成 Rod beam-pumping unit well head sealing apparatus
CN105888597A (en) * 2016-06-02 2016-08-24 富振海 Universal wellhead centering device of oil pumping unit
CN110107245A (en) * 2019-05-10 2019-08-09 辽宁新华仪器有限公司 Pumping unit well head blowout-preventing controls tool
CN110107245B (en) * 2019-05-10 2024-05-10 辽宁新华仪器有限公司 Blowout prevention control tool for wellhead of pumping unit
CN115324516A (en) * 2022-10-13 2022-11-11 东营华辰石油装备有限公司 Air bag compensation type polish rod sealer for oil pumping unit
CN115324516B (en) * 2022-10-13 2023-01-03 东营华辰石油装备有限公司 Air bag compensation type polish rod sealer for oil pumping unit

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Effective date of registration: 20211223

Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 233 South Central Avenue

Patentee after: Daqing Oilfield Co.,Ltd.

Patentee after: PETROCHINA Co.,Ltd.

Address before: 163453 No. 233, south section of Central Avenue, Daqing, Heilongjiang

Patentee before: Daqing Oilfield Co.,Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121128

CF01 Termination of patent right due to non-payment of annual fee