CN103806857A - Mobile packing box - Google Patents
Mobile packing box Download PDFInfo
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- CN103806857A CN103806857A CN201210450270.3A CN201210450270A CN103806857A CN 103806857 A CN103806857 A CN 103806857A CN 201210450270 A CN201210450270 A CN 201210450270A CN 103806857 A CN103806857 A CN 103806857A
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- packing
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- packing box
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Abstract
The invention discloses a mobile packing box. The mobile packing box consists of an eccentric base, a ball tube section, a base lock nut, a secondary packing section, a primary packing section, a grid and a packing box lock nut, wherein the inner cavity of the ball tube section is a cylindrical cavity, the tail end of the cylindrical cavity is a round bell mouth, and the lower part of the ball tube section is an outcurve ball wall; the upper part of the base lock nut is a cylindrical cavity, the lower part of the base lock nut is a ball cavity, the ball tube section is arranged in a moving mechanism composed of the eccentric base and the base lock nut and is in threaded connection with the secondary packing section, the secondary packing section is in threaded connection with the primary packing section, the grid is pressed into the primary packing section, and the packing box lock nut is in threaded connection with the primary packing section. The mobile packing box is used for avoiding eccentric wearing of a pumping unit wellhead.
Description
Technical field
The present invention relates to a kind of oil field development wellhead assembly, particularly relate to a kind of swimming type packing box.
Background technology
At present, in oil recovery manufacturing process, a problem is perplexing oil well production always, well head production tree and packing box do not keep concentric with oil pumping polish rod, oil pumping polish rod is not placed in the middle in wellhead packing box, there is the phenomenon to one side deflection, some well head, the side-play amount of oil pumping polish rod in packing box reaches 3-4 millimeter, although existing packing box bottom is with deviation correcting device, in real work, rotate in any case calibrator for packing casing, oil pumping polish rod is not placed in the middle all the time, while adding packing, one side easily adds, opposite side is exertd great efforts and sealed packing could be clamp-oned in packing chamber, form a side pine sealing opposite side and cross the phenomenon of tightening seal, the problems referred to above are except increasing certain difficulty to the work of replacing packing, the sealing effectiveness of packing is also bad, special charges packing in use, more seriously long-time eccentric wear, make oil pumping polish rod one side heavy wear, there is misrun phenomenon, cause packing box oil leaking pollution well site, the oil pumping polish rod that just must more renew in the time that frequent replacing well head packing still can not stop packing box leakage of oil, thereby increase the maintenance cost of oil well.
Summary of the invention
The defect existing for above-mentioned prior art, the technical problem to be solved in the present invention is to provide a kind of swimming type packing box, make packing box automatically keep concentric with oil pumping polish rod by oblique adjusting rotating mechanism is set in former packing box eccentric mount, thereby can avoid to greatest extent the eccentricity issues of oil pumping polish rod in packing box.
For solving the problems of the technologies described above, swimming type packing box of the present invention, formed by eccentric mount 1, bulb joint 6, base pressure cap 11, secondary packing joint 15, one-level packing joint 17, lattice hurdle 22 and packing box pressing cap 25, wherein, above-mentioned eccentric mount 1 middle part is ball chamber 2, and above-mentioned bulb saves 6 bottoms and is provided with horn mouth 7, and above-mentioned bulb saves 6 bottoms outshoot wall 8 is set, outshoot wall 8 along the circumferential direction arranges one or more U-lag 10, the interior edge elastic seal ring 9 of U-lag 10; Above-mentioned base pressure cap 11 Wei Qiu chambeies, bottom 13, above-mentioned base pressure cap 11 is enclosed within on above-mentioned bulb joint 6 and is threaded with eccentric mount 1, above-mentioned bulb joint 6 is sitting in the ball chamber that eccentric mount 1 and base pressure cap 11 form and forms movable device, above-mentioned bulb joint 6 is threaded with secondary packing joint 15, above-mentioned secondary packing joint 15 is threaded with one- level packing joint 17,22 bottoms, above-mentioned lattice hurdle embed one-level packing joint 17, and above-mentioned packing box pressing cap 25 is threaded with one-level packing joint 17.
Above-mentioned outshoot wall 8 along the circumferential direction arranges four U-lags 10.
The above-mentioned base pressure cap 11 radial symmetric side of welding, outer wall top body ear pieces 14.
The nut 20 that above-mentioned one-level packing saves 17 outer wall middle part radial symmetric welding is threaded with solid handle 21.
Above-mentioned one-level packing saves the interior jackscrew 19 that screws in of screw that 17 tube wall bottoms arrange.
Above-mentioned secondary packing saves 15 inner chamber middle parts annular table 16 is set.
22 middle parts, above-mentioned lattice hurdle arrange a pair of screw 24 that screws in jackscrew.
Above-mentioned packing box pressing cap 25 upper ends have circle day hole 26, and the nut 27 of its outer wall middle part radial symmetric welding is threaded with solid handle 28.
Above-mentioned eccentric mount 1 bottom shaven head 4 lower surfaces are along the circumferential direction provided with groove 5.
Swimming type packing box of the present invention, makes packing box automatically keep concentric with oil pumping polish rod by oblique adjusting rotating mechanism is set in former packing box eccentric mount, has avoided the eccentricity issues of oil pumping polish rod in packing box.This packing box in use bulb saves 7 all the time in the state of moving about, be that packing in swimming type packing box is all the time along with oil pumping polish rod swings and have oil pumping polish rod sealing in arms, extend the application life of oil pumping polish rod and packing, reduce stop pumping and change the packing time, increase the oil pumping time of oil well, reduce well maintenance expense.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the structural representation of swimming type packing box of the present invention;
Fig. 2 is swimming type packing box half section split schematic diagram of the present invention.
The specific embodiment
As depicted in figs. 1 and 2, swimming type packing box of the present invention, is mainly made up of eccentric mount 1, bulb joint 6, base pressure cap 11, secondary packing joint 15, one-level packing joint 17, lattice hurdle 22 and packing box pressing cap 25.Eccentric mount 1 is the off-centre operation body that the upper and lower end face of one is horizontal plane, there is the groove 5 of a circle take double dot dash line as axle center its eccentric mount 1 bottom shaven head 4 lower surfaces, when the inner chamber top that its eccentric mount 1 is scribed ss Under Asymmetrical with single-point is set to internal thread, its run-out(of thread) is connected with ball chamber 2 by ring platform, its ball chamber 2 afterbodys with bore column combination chamber 3 and be connected, bulb joint 6 is pipe bodies that the upper and lower end face of one is horizontal plane, its bulb saves and in 6 bottoms, establishes horn mouth 7, its bulb saves 6 bottoms outshoot wall 8 is set, and its outshoot wall 8 along the circumferential direction arranges one or more U-lag 10, in its U-lag 10, studs with elastic seal ring 9, base pressure cap 11 is that upper and lower end face is the pipe body of horizontal plane, its base pressure cap 11 tops are cylindrical cavities 12, its underpart is connected with ball chamber 13 by circular arc chamfering, its base pressure cap 11 external wall of upper portion are welded symmetrical square body ear piece 14, base pressure cap 11 is enclosed within on bulb joint 6 and is threaded with eccentric mount 1, its bulb saves 6 bottom outshoot walls 8 and is sitting in the ball chamber that eccentric mount 1 and base pressure cap 11 form and forms movable sealing guiding mechanism, bulb joint 6 is threaded with secondary packing joint 15, secondary packing joint 15 is threaded with one- level packing joint 17, 22 bottoms, lattice hurdle embed one-level packing and save in 17 packing chambeies, described packing box pressure-pad 25 is threaded with one-level packing joint 17.
One-level packing joint 17 is pipe bodies that the upper and lower end face of one is horizontal plane, and its one-level packing saves the nut 20 that outside 17 tube walls, middle part is symmetrically welded and is threaded with solid handle 21.
The middle part, packing chamber of one-level packing joint 17 be lattice hurdle ring 18, and its one-level packing saves 17 afterbody tube walls and is symmetrical arranged the jackscrew 19 screwing in screw and fixes with secondary packing joint 15.
Packing box pressing cap 25 top shutoff are circle day holes 26, and the nut 27 that packing box pressing cap 25 outer wall middle parts are symmetrically welded is threaded with solid handle 28.
The connected mode of base pressure cap 11 and eccentric mount 1, can be arranged to outer internal thread and connect or internal and external threads connected mode.
As depicted in figs. 1 and 2, swimming type packing box of the present invention is assembled, allow oil pumping polish rod pass swimming type packing box, one-level packing and secondary packing are added in the corresponding packing chamber of swimming type packing box simultaneously, rotate packing box eccentric mount and make eccentric mount 1 shaven head 4 bottom grooves 5 align and be seated in groove with the steel ring of production tree shaven head, two shaven heads are stuck and are tightened with bolt with production tree clamp.Rotate and adjust one-level packing joint 17, make the bottom of the Glan ring 18 in one-level packing joint withstand on gently the top of secondary packing, make secondary packing in the state of pressurized not, then one-level packing being saved to 17 bottom jackscrews 19 screws with secondary packing joint 15 fixing, next packing box base pressure-pad 11 is suitably screwed, the tube coupling 6 that concedes points can occur to swing in the state of moving about with oil pumping polish rod, and the packing in packing box is had oil pumping polish rod sealing all the time in arms, completes installation and and the debugging of packing.
In manufacturing process, when the packing in one-level packing joint 17 excessive when losing sealing function and need to changing packing because wearing and tearing, one-level packing joint 17 and secondary packing must be saved to 15 fixing jackscrews 19 loosens, one-level packing joint and secondary packing joint connecting thread are screwed, the dish that makes ring 18 lower surfaces, built-in lattice hurdle of one-level packing joint 17 withstand on secondary packing joint 15 is caught up with, secondary packing is compressed, secondary packing joint 15 is now equivalent to a rubber gate valve, gas below packing box or liquid are altered on being blocked within well head in the packing chamber less than one-level packing joint, at this moment could change the packing in one-level packing joint, otherwise abuse, easily cause gas blowout accident, while changing one-level packing, first packing box pressing cap 25 is dismantled, on carry after packing box pressing cap 25 qualifying hurdle 22 certain altitudes, in the screw on lattice hurdle 22, screw in jackscrew, jackscrew is withstood on oil pumping polish rod to be fixed, next can change packing operation, change after packing, one-level packing joint 17 and secondary packing joint 15 are returned to original state, and the bottom jackscrew 19 of one-level packing joint 17 and secondary packing joint 15 are tightened, complete the operation sequence of changing packing.
Claims (9)
1. a swimming type packing box, by eccentric mount (1), bulb joint (6), base pressure cap (11), secondary packing joint (15), one-level packing joint (17), lattice hurdle (22) and packing box pressing cap (25) composition, it is characterized in that: described eccentric mount (1) middle part is ball chamber (2), described bulb joint (6) bottom is provided with horn mouth (7), described bulb joint (6) bottom arranges outshoot wall (8), outshoot wall (8) along the circumferential direction arranges one or more U-lag (10), edge elastic seal ring (9) in U-lag (10), Wei Qiu chamber, described base pressure cap (11) bottom (13), described base pressure cap (11) is enclosed within described bulb joint (6) and is above threaded with eccentric mount (1), described bulb joint (6) is sitting in the ball chamber of eccentric mount (1) and base pressure cap (11) formation and forms in movable device, described bulb joint (6) is threaded with secondary packing joint (15), described secondary packing joint (15) is threaded with one-level packing joint (17), bottom, described lattice hurdle (22) embeds one-level packing joint (17), described packing box pressing cap (25) is threaded with one-level packing joint (17).
2. swimming type packing box according to claim 1, is characterized in that: described outshoot wall (8) along the circumferential direction arranges four U-lags (10).
3. swimming type packing box according to claim 1, is characterized in that: described base pressure cap (11) the outer wall top radial symmetric side of welding body ear piece (14).
4. swimming type packing box according to claim 1, is characterized in that: described one-level packing joint (17) outer wall middle part radial symmetric WELD NUTS (20).
5. swimming type packing box according to claim 1, is characterized in that: in the screw that described one-level packing joint (17) tube wall bottom arranges, screw in jackscrew (19).
6. swimming type packing box according to claim 1, is characterized in that: described secondary packing joint (15) inner chamber middle part arranges annular table (16).
7. swimming type packing box according to claim 1, is characterized in that: middle part, described lattice hurdle (22) arranges a pair of screw (24) that screws in jackscrew.
8. swimming type packing box according to claim 1, is characterized in that: described packing box pressing cap (25) upper end has circle day hole (26), its outer wall middle part radial symmetric WELD NUTS (27).
9. swimming type packing box according to claim 1, is characterized in that: described eccentric mount (1) bottom shaven head (4) lower surface is along the circumferential direction provided with groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210450270.3A CN103806857A (en) | 2012-11-12 | 2012-11-12 | Mobile packing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210450270.3A CN103806857A (en) | 2012-11-12 | 2012-11-12 | Mobile packing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103806857A true CN103806857A (en) | 2014-05-21 |
Family
ID=50704186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210450270.3A Pending CN103806857A (en) | 2012-11-12 | 2012-11-12 | Mobile packing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103806857A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5901964A (en) * | 1997-02-06 | 1999-05-11 | John R. Williams | Seal for a longitudinally movable drillstring component |
| CN2475826Y (en) * | 2001-03-19 | 2002-02-06 | 丹东边境经济合作区克隆集团有限公司 | Polish rod sealing device for oil pumping well head |
| CN200989177Y (en) * | 2006-11-09 | 2007-12-12 | 马瑞田 | Polishing rod sealing device |
| CN201007192Y (en) * | 2006-07-26 | 2008-01-16 | 张广勇 | High pressure blowout prevention polish rod sealer |
| CN101158277A (en) * | 2007-11-09 | 2008-04-09 | 张建国 | Multifunctional polish rod sealing device |
| CN101864917A (en) * | 2010-06-25 | 2010-10-20 | 辽宁中瑞科技有限公司 | Random and automatic regulating polished rod sealing device of oil pumping machine |
| CN201778724U (en) * | 2010-08-20 | 2011-03-30 | 中国石油天然气股份有限公司 | Jack-screw type gland for packing box |
| CN202401999U (en) * | 2011-12-02 | 2012-08-29 | 辽宁跨克石油装备有限公司 | Multifunctional well mouth sealer |
| CN202520276U (en) * | 2012-04-06 | 2012-11-07 | 范海彬 | Multifunctional blowout control box blowout preventer |
| CN202900133U (en) * | 2012-11-12 | 2013-04-24 | 中国石油天然气股份有限公司 | Mobile packing box |
-
2012
- 2012-11-12 CN CN201210450270.3A patent/CN103806857A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5901964A (en) * | 1997-02-06 | 1999-05-11 | John R. Williams | Seal for a longitudinally movable drillstring component |
| CN2475826Y (en) * | 2001-03-19 | 2002-02-06 | 丹东边境经济合作区克隆集团有限公司 | Polish rod sealing device for oil pumping well head |
| CN201007192Y (en) * | 2006-07-26 | 2008-01-16 | 张广勇 | High pressure blowout prevention polish rod sealer |
| CN200989177Y (en) * | 2006-11-09 | 2007-12-12 | 马瑞田 | Polishing rod sealing device |
| CN101158277A (en) * | 2007-11-09 | 2008-04-09 | 张建国 | Multifunctional polish rod sealing device |
| CN101864917A (en) * | 2010-06-25 | 2010-10-20 | 辽宁中瑞科技有限公司 | Random and automatic regulating polished rod sealing device of oil pumping machine |
| CN201778724U (en) * | 2010-08-20 | 2011-03-30 | 中国石油天然气股份有限公司 | Jack-screw type gland for packing box |
| CN202401999U (en) * | 2011-12-02 | 2012-08-29 | 辽宁跨克石油装备有限公司 | Multifunctional well mouth sealer |
| CN202520276U (en) * | 2012-04-06 | 2012-11-07 | 范海彬 | Multifunctional blowout control box blowout preventer |
| CN202900133U (en) * | 2012-11-12 | 2013-04-24 | 中国石油天然气股份有限公司 | Mobile packing box |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140521 |
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| RJ01 | Rejection of invention patent application after publication |