CN201111543Y - Universal regulation shaft mouth packing kit - Google Patents
Universal regulation shaft mouth packing kit Download PDFInfo
- Publication number
- CN201111543Y CN201111543Y CNU2007200869421U CN200720086942U CN201111543Y CN 201111543 Y CN201111543 Y CN 201111543Y CN U2007200869421 U CNU2007200869421 U CN U2007200869421U CN 200720086942 U CN200720086942 U CN 200720086942U CN 201111543 Y CN201111543 Y CN 201111543Y
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Abstract
The utility model provides a universal adjusting wellhead packing box, comprising a combination sealing mechanism and a correction mechanism. The combination sealing mechanism consists of a pressing cover, a correcting sleeve and a combination valve body; the combination valve body comprises a transverse valve and a lower spare valve; the transverse valve comprises a valve body, a valve body end cover and a special-shaped packing (14) inside the valve body; a plunger piston (15) is sheathed beside the special-shaped packing (14) and is connected with the special-shaped packing (14) by screws (13); two pulling rod bolts (12) pass through a left disc (10), the plunger piston (15), the special-shaped packing (14) and a right disc (19) from two sides and connect the left disc (10), the plunger piston (15), the special-shaped packing (14) with the right disc (19) which are fixed with the two pulling rod bolts (12) by screw caps (20); a compensating spring (11) is arranged between the left disc (10) and the plunger piston (15); an adjusting bolt (21) is connected with the right disc (19) and pushes through the plunger piston (15); the end cover (9) of the valve body is connected with a valve body (16); a spherical sleeve of the correction mechanism is connected below the combination sealing mechanism.
Description
Technical field
The utility model relates to a kind of universal adjustment well head packing box; be applicable to the sealing of all sucker rod pumping motor-pumped well well heads; solve rod-pumped well and do not shut down the replacing packing, become two-way adjustment packing into unidirectional adjustment packing with because of the difficult a kind of wellhead polish rod sealing device invented of polished rod deflection sealing.
Background technology
According to the interrelated data statistics, in the present oil field development, national production well sum reaches ten thousand mouthfuls of 12-15, and rod-pumped well accounts for oil well sum about 90%.Because the foozle and the on-the-spot alignment error of oil pumper generally cause polished rod axis and seal body axis to produce certain journal offset, thereby make polished rod in pumping, the sealed packing eccentric wear is serious, seal failure, and crude oil runs and leaks contaminated environment.The well mouth sealing device of oil field use at present scarcely possesses the correction oblique function of accent and exempts from stop pumping and change the packing function, and the workman that causes recovering the oil frequently stops well replacing packing, and rate reduces greatly when making oil well production, has a strong impact on the crude output in oil field.And possess the well mouth sealing device that the packing function is changed in the stop pumping of exempting from a small quantity, also owing to be that two-way adjustment packing makes left and right sides packing unbalance stress, the eccentric wear phenomenon is not basic to be solved.
Summary of the invention
The purpose of this utility model is according to the rod-pumped well well head existence common problem that partially, tiltedly causes the polished rod seal difficulty in various degree, design a kind of have the stop pumping of exempting from change packing, unidirectional adjustment packing, laterally tuningout, vertically transfer the polish rod seal device of oblique function, prevent that polished rod and packing box from producing eccentric wear, reduce oil leakage loss and the pollution of environment.Whole project organization is simple, installs and change packing conveniently, has effectively alleviated the oil recovery working strength of workers, rate when improving oil well production.
The technical solution of the utility model is: universal adjustment well head packing box of the present utility model comprises that the correction that combination sealing mechanism is connected with the below transfers oblique mechanism, combination sealing mechanism is made up of gland 18, supporting positive cover 17, combinaing valve body, it is characterized in that: combinaing valve body comprises the horizontal valve A and the bottom service valve B of radiai adjustment sealing polished rod; Laterally valve A comprises valve body 16, valve body end cap 9, and the special-shaped packing 14 in the valve body, plunger 15 are enclosed within the special-shaped packing 14 outer screws 13 that pass through and link to each other with special-shaped packing 14; Two stay-bolts 12 pass left disk 10, plunger 15, special-shaped packing 14 and right disk 19 by both sides left disk 10, plunger 15, special-shaped packing 14 and right disk 19 are connected, and are fixing with nut 20; Between left disk 10 and plunger 15 counterbalance spring 11 is housed, adjustment bolt 21 is connected with right disk 19 by screw thread and withstands on the plunger 15; Valve body end cap 9 is connected with valve body 16, and there is an external thread section 22 combination sealing mechanism below, transfers the internal thread of the ball-type cover 6 of oblique mechanism to be connected with correction.
Described a kind of universal adjustment well head packing box, service valve B has an external thread section 22 with laterally valve A structure is identical below service valve B, transfer the internal thread of the ball-type cover 6 of oblique mechanism to be connected with correction.
Described a kind of universal adjustment well head packing box, its service valve B comprises: adjust nut 28 and be threaded with awl tube 24, adjust nut 28 tops and link to each other with horizontal valve A, an external thread section 24.1 is arranged at awl tube 24 bottoms, transfers oblique mechanism to be connected by ball-type cover 6 and correction; The self-styled Screw disk-seal tube 25 of cone barrel places in the middle of the awl tube 24, between adjustment nut 28 bottoms and awl tube 24 lock-screw 27 is arranged.
Described universal adjustment well head packing box, correction transfers oblique mechanism to comprise the eccentric disc 1 of bottom, V-type seat 3 places eccentric disc 1 upper surface, ball-type cover 6 is contained in the V-type seat 3, there is an O RunddichtringO 4 that is used for overlapping with ball-type 6 sealings V-type seat 3 inboards, there is an O RunddichtringO 2 that seals with eccentric disc 1 upper surface the lower surface, ball-type overlaps 6 bottoms and adorns a fairlead 5, ball-type overlaps 6 tops an internal thread, mechanism is connected with combination sealing, platen 7 is on ball-type cover 6, and lock nut 8 is enclosed within on the platen 7, and is connected with eccentric disc 1.
Described universal adjustment well head packing box, lock nut 8 lower ends are provided with burglar-proof mechanism, comprise locking plate 23, and lock bolt 29 is connected locking plate 23 with lock nut 8.
Described universal adjustment well head packing box, lock nut 8 lower ends are provided with burglar-proof mechanism, comprise locking plate 23, and lock bolt 29 is connected locking plate 23 with lock nut 8.
The utility model has the advantages that:
(1) in the design of combination sealing mechanism, this mechanism is made up of the horizontal valve body of the radiai adjustment sealing polished rod that up and down two structures are the same, and top is the work valve body, and the bottom is standby valve body.Sealing polished rod when sealing polished rod when the operating valve body is used for work, service valve body are used to change packing in the work valve body.Valve body all adopts the structure of unidirectional adjusting up and down, has avoided causing the uneven disadvantage of left and right sides packing wearing and tearing in the valve body because of left and right adjusting strength inequality.The packing of valve body all can be realized automatic compensation up and down simultaneously, and realizes not shutting down the replacing packing.
(2) in the design of combination sealing mechanism, in the core assembly of operating valve and service valve, counterbalance spring is housed, can the wearing and tearing of special-shaped packing be compensated automatically.Special-shaped packing is an application specific architecture, and its material is polyurethane elastomer or nitrile rubber, and sealing performance is good, and use cost is cheap, and it is simple and easy to change operation.
(3) correction wide ranges can satisfy polished rod correction arbitrarily in the 0-20mm scope.Make pumping unit horsehead suspension point and packing box seal chamber nature centering.
(4) there is an external screw thread combination sealing mechanism below, transfers oblique mechanism to be connected by ball-type cover 6 and correction.It transfers gradient any oblique gesture levelling gradient along polished rod in 6 ° of scopes of maximum deflection angle, eliminates the polished rod phenomenon of eccentric wear packing at the volley, prolongs the application life of packing.
Description of drawings:
Fig. 1 is first kind of example structure schematic diagram of the present utility model.
Fig. 2 is the D-D sectional view of Fig. 1.
Fig. 3 is second kind of example structure schematic diagram of the present utility model.
The specific embodiment
First kind of embodiment of the technical solution of the utility model such as Fig. 1, Fig. 2:
Universal adjustment well head packing box comprises that the correction that combination sealing mechanism is connected with the below transfers oblique mechanism, and combination sealing mechanism is made up of gland 18, supporting positive cover 17, combinaing valve body.Combinaing valve body comprises horizontal valve A and the bottom service valve B of radiai adjustment sealing polished rod C; Laterally valve A comprises valve body 16, and the special-shaped packing 14 in the valve body, plunger 15 are enclosed within the special-shaped packing 14 outer screws 13 that pass through and link to each other with special-shaped packing 14; Two stay-bolts 12 pass left disk 10, plunger 15, special-shaped packing 14 and right disk 19 by both sides, and left disk 10, plunger 15, special-shaped packing 14 and right disk 19 are connected, and are fixing with nut 20; Between left disk 10 and plunger 15 counterbalance spring 11 is housed, adjustment bolt 21 is connected with right disk 19 by screw thread and withstands on the plunger 15; Valve body end cap 9 is connected with valve body 16, and there is an external thread section 22 combination sealing mechanism below, transfers the internal thread of the ball-type cover 6 of oblique mechanism to be connected with correction.Gland 18 and supporting positive cover 17 are enclosed in horizontal valve A upper end.
Service valve B has an external thread section 22 with laterally valve A structure is identical below service valve B, transfer the internal thread of the ball-type cover 6 of oblique mechanism to be connected with correction.
Correction transfers oblique mechanism to comprise the eccentric disc 1 of bottom, V-type seat 3 places eccentric disc 1 upper surface, ball-type cover 6 is contained in the V-type seat 3, and there is an O RunddichtringO 4 that is used for overlapping with ball-type 6 sealings V-type seat 3 inboards, and there is an O RunddichtringO 2 that seals with eccentric disc 1 upper surface the lower surface, ball-type overlaps 6 bottoms and adorns a fairlead 5, ball-type overlaps 6 tops an internal thread, and mechanism is connected with combination sealing, and platen 7 is on ball-type cover 6, lock nut 8 is enclosed within on the platen 7, and is connected with eccentric disc 1.Effect: adjust packing box, the annular seal space center is overlapped with the free centering in polished rod C center, prevent eccentric wear, thereby improve the packing life-span.
Lock nut 8 lower ends are provided with burglar-proof mechanism, comprise locking plate 23, and lock bolt 29 is connected locking plate 23 with lock nut 8.Can only carry out operation with special tool, prevent that the lawless person from stealing crude oil.
The effect of combination sealing mechanism: when changing special-shaped packing, need not stop well, only need service valve B is tightened, with regard to the special-shaped packing in the replaceable operating valve.Only adjust bolt 21 during adjustment and can realize special-shaped packing bidirectional stress, overcome the shortcoming of adjusting the strength inequality because of two, thereby can compensate automatically when counterbalance spring weares and teares special-shaped packing because of being equipped with simultaneously at one.
Second kind of embodiment of the technical solution of the utility model such as Fig. 3, Fig. 2:
Service valve B comprises: adjust nut 28 and be threaded with awl tube 24, adjust nut 28 tops and link to each other with horizontal valve A, an external thread section 24.1 is arranged at awl tube 24 bottoms, transfers oblique mechanism to be connected by ball-type cover 6 and correction; The self-styled Screw disk-seal tube 25 of cone barrel places in the middle of the awl tube 24, between adjustment nut 28 bottoms and awl tube 24 lock-screw 27 is arranged.Outside the awl tube 24 position-arresting disk 26 is arranged, the position of nut 28 is adjusted in restriction.
At ordinary times, screw 27 is in locking state, and self-styled Screw disk-seal tube 25 is in off working state, when needing the sealing polished rod, unclamps screw 27, and nut 28 is adjusted in rotation, and it is descending that self-styled Screw disk-seal tube 25 is shunk, and endoporus diminishes, sealing polished rod C.Effect: realize not stopping well and change the interior special-shaped packing of operating valve.Characteristics: simple in structure.Be in locking state, self-styled Screw disk-seal tube 25 is in off working state, needs to unclamp screw 27 when self-styled, and nut 28 is adjusted in rotation, and it is descending that self-styled Screw disk-seal tube 25 is shunk, and endoporus diminishes, sealing polished rod C.
Correction transfers oblique mechanism to comprise the eccentric disc 1 of bottom, V-type seat 3 places eccentric disc 1 upper surface, ball-type cover 6 is contained in the V-type seat 3, and there is an O RunddichtringO 4 that is used for overlapping with ball-type 6 sealings V-type seat 3 inboards, and there is an O RunddichtringO 2 that seals with eccentric disc 1 upper surface the lower surface, ball-type overlaps 6 bottoms and adorns a fairlead 5, ball-type overlaps 6 tops an internal thread, and mechanism is connected with combination sealing, and platen 7 is on ball-type cover 6, lock nut 8 is enclosed within on the platen 7, and is connected with eccentric disc 1.Effect: adjust packing box, the annular seal space center is overlapped with the free centering in polished rod C center, prevent eccentric wear, thereby improve the packing life-span.
Lock nut 8 lower ends are provided with burglar-proof mechanism, comprise locking plate 23, and lock bolt 29 is connected locking plate 23 with lock nut 8.
Operating principle of the present utility model:
Supporting positive cover 17: set upright combinaing valve body 16, its central upper portion is overlapped with polished rod C center.
Valve body 16: form combinaing valve body with each other parts in the valve body;
Plunger 15: connect special-shaped packing 14;
Abnormity packing 14: sealing polished rod C.
Screw 13: fixing special-shaped packing 14;
Stay-bolt 12: connect left disk 10, counterbalance spring 11, plunger 15, special-shaped packing 14 and right disk 19 by nut 20 and form spool; Adjust spool by the adjustment bolt 21 that is contained on the right disk 19.
Counterbalance spring 11: be contained between left disk 10 and the plunger 15 redeeming; Left side disk 10 plays 11 effects of fixed compensation spring.
Adjust bolt 21: effect is a seal degree of adjusting special-shaped packing 14.
Lock nut 8: rotate this part,, compress ball-type cover 6 and V-type seat 3 by platen 7, and make the V-type seat about in the of 3 two O RunddichtringOs and ball-type overlap that the plane closely contacts on 6 spheres and the eccentric disc 1, play sealing function; Platen 7: power transmission is used to compress ball-type cover 6 and V-type seat 3.
Ball-type cover 6: this part is contained on the V-type seat 3, forms a universal knot, realizes transferring oblique function; Fairlead 5 is contained in ball-type cover 6, and its center is overlapped with the polished rod center.
O RunddichtringO 4: be used for the gap between ball sealer jacket 6 and the V-type seat 3.
V-type seat 3: this part places plane on the eccentric disc 1, and can move freely on this plane, realizes the tuningout function.
O RunddichtringO 2: be used to seal the gap between V-type seat 3 and the eccentric disc 1.
Eccentric disc 1: this part links to each other with well head, adjusts eccentric disc 1, can make interior polished rod center of oil pipe and packing box center as close as possible.
Adjust nut 28: top links to each other with the operating valve of combinaing valve body, is used to adjust the sealing state of self-styled Screw disk-seal tube 25.Self-styled Screw disk-seal tube 25: sealing polished rod.
Awl tube 24: this part can be contained on the ball-type cover 6, forms one with ball-type cover 6, and inside is taper hole, adorns self-styled Screw disk-seal tube 25.
Screw 27: the fixing nut 28 of adjusting.Can only just can unclamp with special tool, have antitheft effect.
The course of work
1, locking plate 23-→ eccentric disc 1-→ assemblies such as V-type seat 3 is passed polished rod and place on the well head.
2, polished rod is passed in combination sealing mechanism (being mounted to whole when dispatching from the factory) and place in the V-type seat 3, this moment, operating valve and service valve were opening.
3, polished rod eye is connected reliable with polished rod and after carrying goes up load, removes the polished rod slips.
4, eccentric disc 1 and well head are linked and screw, observe any one side that polished rod must leave endoporus simultaneously, be to the maximum good with the distance of leaving.
5, screw lock nut 8, fixing and locking dish 23.
6, start oil pumper, adjust the adjustment bolt 21 on the operating valve, with the working condition that the method for " see, touch, listen " is observed packing, not being with oil, non-scald on hand and well head air tight with polished rod is optimum state.
7, when finding that there are leakage of oil or oil impregnate in the polished rod place, prove special-shaped packing 14 existing wearing and tearing, adjustment bolt 21 on the adjustable full employment valve, the working condition of using the method for " see, touch, listen " to observe packing again, not being with oil, non-scald on hand and well head air tight with polished rod is optimum state.After adjustment bolt 21 is transferred to the end, still have the oil impregnate phenomenon, the special-shaped packing 14 that then need more renew.
When 8, changing packing, need not stop oil pumper, only need service valve cuts out, make polished rod not be with oil, change the special-shaped packing 14 in the operating valve then, tighten operating valve after having changed, unclamp service valve, with the working condition that the method for " see, touch, listen " is observed packing, not being with oil, non-scald on hand and well head air tight with polished rod is optimum state.So far, changing packing work finishes.
Claims (7)
1. universal adjustment well head packing box, comprise that the correction that combination sealing mechanism is connected with the below transfers oblique mechanism, combination sealing mechanism is made up of gland (18), supporting positive cover (17), combinaing valve body, it is characterized in that: combinaing valve body comprises the horizontal valve (A) and the bottom service valve (B) of radiai adjustment sealing polished rod; Laterally valve (A) comprises valve body (16), valve body end cap (9), and the special-shaped packing (14) in the valve body, plunger (15) are enclosed within the outer screw (13) that passes through of special-shaped packing (14) and link to each other with special-shaped packing (14); Two stay-bolts (12) pass left disk (10), plunger (15), special-shaped packing (14) and right disk (19) by both sides left disk (10), plunger (15), special-shaped packing (14) and right disk (19) are connected, and are fixing with nut (20); Between left disk (10) and plunger (15) counterbalance spring (11) is housed, adjustment bolt (21) is connected with right disk (19) by screw thread and withstands on the plunger (15); Valve body end cap (9) is connected with valve body (16), and there is an external thread section (22) combination sealing mechanism below, transfers the internal thread of the ball-type cover (6) of oblique mechanism to be connected with correction.
2. a kind of universal adjustment well head packing box according to claim 1, it is characterized in that: service valve (B) is with laterally valve (A) structure is identical, in service valve (B) below one external thread section (22) is arranged, transfer the internal thread of the ball-type cover (6) of oblique mechanism to be connected with correction.
3. a kind of universal adjustment well head packing box according to claim 1, it is characterized in that: service valve (B) comprising: adjust nut (28) and be threaded with awl tube (24), adjusting nut (28) top links to each other with horizontal valve (A), one external thread section (24.1) is arranged at awl tube (24) bottom, transfers oblique mechanism to be connected by ball-type cover (6) and correction; The self-styled Screw disk-seal tube of cone barrel (25) places in the middle of the awl tube (24), between adjustment nut (28) bottom and awl tube (24) lock-screw (27) is arranged.
4. universal adjustment well head packing box according to claim 1 and 2, it is characterized in that: correction transfers oblique mechanism to comprise the eccentric disc (1) of bottom, V-type seat (3) places eccentric disc (1) upper surface, ball-type cover (6) is contained in the V-type seat (3), there is an O RunddichtringO (4) that is used for ball-type cover (6) sealing V-type seat (3) inboard, there is the O RunddichtringO (2) of one and eccentric disc (1) upper surface sealing the lower surface, a fairlead (5) is adorned in ball-type cover (6) bottom, one internal thread is arranged at ball-type cover (6) top, mechanism is connected with combination sealing, platen (7) is on ball-type cover (6), and lock nut (8) is enclosed within on the platen (7), and is connected with eccentric disc (1).
5. according to claim 1 or 3 described universal adjustment well head packing boxs, it is characterized in that: correction transfers oblique mechanism to comprise the eccentric disc (1) of bottom, V-type seat (3) places eccentric disc (1) upper surface, ball-type cover (6) is contained in the V-type seat (3), there is an O RunddichtringO (4) that is used for ball-type cover (6) sealing V-type seat (3) inboard, there is the O RunddichtringO (2) of one and eccentric disc (1) upper surface sealing the lower surface, a fairlead (5) is adorned in ball-type cover (6) bottom, one internal thread is arranged at ball-type cover (6) top, mechanism is connected with combination sealing, platen (7) is on ball-type cover (6), and lock nut (8) is enclosed within on the platen (7), and is connected with eccentric disc (1).
6. universal adjustment well head packing box according to claim 4 is characterized in that lock nut (8) lower end is provided with burglar-proof mechanism, comprises locking plate (23), and lock bolt (29) is connected locking plate (23) with lock nut (8).
7. universal adjustment well head packing box according to claim 5 is characterized in that lock nut (8) lower end is provided with burglar-proof mechanism, comprises locking plate (23), and lock bolt (29) is connected locking plate (23) with lock nut (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200869421U CN201111543Y (en) | 2007-09-13 | 2007-09-13 | Universal regulation shaft mouth packing kit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200869421U CN201111543Y (en) | 2007-09-13 | 2007-09-13 | Universal regulation shaft mouth packing kit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201111543Y true CN201111543Y (en) | 2008-09-10 |
Family
ID=39963286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200869421U Expired - Fee Related CN201111543Y (en) | 2007-09-13 | 2007-09-13 | Universal regulation shaft mouth packing kit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201111543Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971542A (en) * | 2015-03-11 | 2016-09-28 | 耿载光 | Universal alignment packing box |
| CN116607908A (en) * | 2023-07-20 | 2023-08-18 | 北京汉诺威自控技术有限公司 | Polished rod structure |
-
2007
- 2007-09-13 CN CNU2007200869421U patent/CN201111543Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971542A (en) * | 2015-03-11 | 2016-09-28 | 耿载光 | Universal alignment packing box |
| CN116607908A (en) * | 2023-07-20 | 2023-08-18 | 北京汉诺威自控技术有限公司 | Polished rod structure |
| CN116607908B (en) * | 2023-07-20 | 2023-09-29 | 北京汉诺威自控技术有限公司 | Polished rod structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20110913 |