CN203835317U - Bidirectional displacement-deviation-rectifying-type sucker rod sealer - Google Patents
Bidirectional displacement-deviation-rectifying-type sucker rod sealer Download PDFInfo
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- CN203835317U CN203835317U CN201320476794.XU CN201320476794U CN203835317U CN 203835317 U CN203835317 U CN 203835317U CN 201320476794 U CN201320476794 U CN 201320476794U CN 203835317 U CN203835317 U CN 203835317U
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- spherical body
- outer sphere
- seal
- flange
- upper flange
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Abstract
A bidirectional displacement-deviation-rectifying-type sucker rod sealer comprises a transverse displacement adjusting mechanism, an angle displacement adjusting mechanism and a leakage-free sealing element replacing mechanism. The transverse displacement adjusting mechanism comprises a lower flange and an upper flange arranged on an inner spherical body, a plurality of transverse adjusting long grooves are formed in the lower flange, bolts holes matched with the transverse adjusting long grooves are formed in the upper flange, and the lower flange is connected with the upper flange through bolts and nuts. The angle displacement adjusting mechanism comprises the inner spherical body, an outer spherical body, an inner spherical body and outer spherical body connecting nut and an inner spherical body and outer spherical body stopping and locking screw, and the inner spherical body and the outer spherical body are connected through internal threads of the inner spherical body and outer spherical body connecting nut and external threads of the inner spherical body. The leakage-free sealing element replacing mechanism comprises a sealing sleeve which is connected with internal threads of the outer spherical body through external threads, a lower limiting pin, an outer spherical body inner sealing element and an upper limiting pin. According to the bidirectional displacement-deviation-rectifying-type sucker rod sealer, the functional mechanisms are added, therefore, the structure is more reasonable, the displacement deviation rectifying effect is obviously enhanced, the sealing performance is improved, the oil gas leakage accident is effectively prevented in the sucker rod replacing process, and the safety and the reliability of oil sucking operation are improved.
Description
Technical field
The utility model relates to a kind of petroleum machinery, relates in particular to a kind of bidirectional displacement correction formula pumping rod sealer.
Background technology
In petroleum industry, the basis of oil pumper, braced structures, Installation and Debugging and sucker rod there will be move up and down axis and the well head axis of sucker rod to be offset in long-term use procedure, cause sucker rod and its seal generation eccentric wear phenomenon, cause sealing effectiveness poor, oil and gas leakage, waste resource, environment pollution.There is following shortcoming in conventional pumping rod sealer: 1, can only angle displacement tuningout, can not lateral displacement tuningout, and angle displacement offset is less, and when sucker rod axis and well head journal offset are when larger, rely on angle displacement tuningout difficulty larger.2, when sucker rod sealing part abrasion is excessive, while needing to change, because being provided with, leak-tight seal mechanism is set, change in sucker rod process, there is downhole oil gas leakage phenomenon.3, sucker rod moves up and down in process, and faulty lubrication between sucker rod seal, causes that sucker rod sealing part abrasion is fast, application life is short.4, sucker rod seal adopts single inversion to take the sealing means of formula seal and spiral circle pillar seal, the defect that has the reverse displacement of seal and be difficult to bear higher seal pressure differential.
Summary of the invention
Technical problem to be solved in the utility model is: bidirectional displacement correction formula pumping rod sealer a kind of rational in infrastructure, easy to operate is provided.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: bidirectional displacement correction formula pumping rod sealer, comprise: lateral displacement governor motion, angle displacement governor motion and change seal mechanism without leaking, described lateral displacement governor motion comprises: lower flange and be arranged on the upper flange on interior spheroid, on described lower flange, be provided with some lateral adjustments elongated slots, on upper flange, be provided with the bolt hole that some lateral adjustments elongated slots cooperatively interact, described lower flange is connected by screw bolt and nut with upper flange; Described angle displacement governor motion comprises: interior spheroid, outer sphere, interior outer sphere attaching nut and Nei outer sphere fastening bolt, and described outer sphere is connected by interior outer sphere attaching nut's internal thread and the external screw thread of interior spheroid with interior spheroid; Described nothing is leaked replacing seal mechanism and is comprised: the sealing shroud, lower limit pin, outer sphere inner seal liner and the upper limit pin that by external screw thread, are connected with described outer sphere internal thread, described outer sphere inner seal liner is arranged on the inner chamber of described outer sphere, lower limit pin and sealing shroud are by axial keyway axial location, and upper limit pin stops tight outer sphere and sealing shroud; In described sealing shroud, be provided with seal, in the adjusting upper end of described sealing shroud, be threaded and regulated and cap, in adjusting cap, be provided with gland, be all provided with cavity in described lower flange, upper flange, adjusting cap and gland, sucker rod is arranged in cavity.
In order to solve the problems of the technologies described above better, the further technical scheme that the utility model adopts is: in described adjusting cap, be provided with grease nipple, in described adjusting cap, the upper end of gland is provided with lubrication and seal part.
In order to solve the problems of the technologies described above better, the further technical scheme that the utility model adopts is: described seal is left-handed spring formula cone seal.
In order to solve the problems of the technologies described above better, the further technical scheme that the utility model adopts is: on described upper flange, divide equally and be provided with four lateral adjustments elongated slots.
In order to solve the problems of the technologies described above better, the further technical scheme that the utility model adopts is: O RunddichtringO together with being provided with between upper flange at described lower flange is provided with twice O type seal between described outer sphere and sealing shroud.
The utility model has the advantages that: above-mentioned bidirectional displacement correction formula pumping rod sealer, increased several functionalities mechanism, thereby its structure is more reasonable, displacement correction effect is significantly strengthened, sealing performance is improved, effectively prevented from, in replacing sucker rod process, oil gas leakage accident occurs, improved the security reliability of oil pumping operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model bidirectional displacement correction formula pumping rod sealer.
Fig. 2 is the plan structure schematic diagram of lower flange in Fig. 1.
In figure: 1, lower flange, 2, interior spheroid, 3, upper flange, 4, lateral adjustments elongated slot, 5, bolt, 6, nut, 7, outer sphere, 8, interior outer sphere attaching nut, 9, interior outer sphere fastening bolt, 10, sealing shroud, 11, lower limit pin, 12, outer sphere inner seal liner, 13, upper limit pin, 14, seal, 15, regulate and cap, 16, gland, 17, cavity, 18, grease nipple, 19, lubrication and seal part, 20, O RunddichtringO, 21, O type seal.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, describe in detail particular content of the present utility model.
As Fig. 1, shown in Fig. 2, bidirectional displacement correction formula pumping rod sealer, comprise: lateral displacement governor motion, angle displacement governor motion and without leak changing seal mechanism, described lateral displacement governor motion comprises: lower flange 1 and be arranged on the upper flange 3 on interior spheroid 2, on described lower flange 1, be provided with some lateral adjustments elongated slots 4, on upper flange 2, be provided with the bolt hole that some lateral adjustments elongated slots 4 cooperatively interact, as shown in Figure 2, in the present embodiment, on described upper flange 2, divide equally and be provided with four lateral adjustments elongated slots 4, described lower flange 1 is connected with nut 6 by bolt 5 with upper flange 3.During correction, unclamp 4 nuts 6, along 4 lateral adjustments elongated slots 4 of lower flange 1, in X, Y-direction adjusting, rectify a deviation, reach after requirement fastening nut 6.Described angle displacement governor motion comprises: interior spheroid 2, outer sphere 7, interior outer sphere attaching nut 8 and interior outer sphere fastening bolt 9, described outer sphere 7 is connected with the external screw thread of interior spheroid 2 with the internal thread of interior spheroid 2 by interior outer sphere attaching nut 8.When needs angle displacement regulates, trip out interior outer sphere fastening bolt 9, unscrew interior outer sphere attaching nut 8, can carry out angle displacement adjusting, reach after correction requirement, first tighten interior outer sphere fastening bolt 9, then tighten interior outer sphere attaching nut 8, the operation of can pumping.Described nothing is leaked replacing seal mechanism and is comprised: the sealing shroud 10, lower limit pin 11, outer sphere inner seal liner 12 and the upper limit pin 13 that by external screw thread, are connected with described outer sphere 7 internal threads, described outer sphere inner seal liner 12 is arranged on the inner chamber of described outer sphere 7, lower limit pin 11 is with sealing shroud 10 by axial keyway axial location, and upper limit pin 13 stops tight outer sphere 7 and sealing shroud 10; In described sealing shroud 10, be provided with seal 14, in the adjusting upper end of described sealing shroud 10, be threaded and regulated and cap 15, in adjusting cap 15, be provided with gland 16, in described lower flange 1, upper flange 3, adjusting cap 15 and gland 16, be all provided with cavity 17, sucker rod is arranged in cavity 17.O RunddichtringO 20 together with being provided with between upper flange 3 at described lower flange 1 is provided with twice O type seal 21 between described outer sphere 7 and sealing shroud 10.In described adjusting cap 15, be provided with grease nipple 18, in the upper end of described adjusting the interior gland 16 of cap 15, be provided with lubrication and seal part 19.During use, from grease nipple 18, inject lubricating grease, at sucker rod, pump under the suction producing, the friction producing between lubricated sucker rod and seal 14, reaches and reduces wear, and improves the object in application life.Described seal 14 is left-handed spring formula cone seal.Described seal 14, design utilizes profile to be small top and big bottom cone, to cut into left-handed spring formula, places it in sealing shroud 10 inner chambers, reaches sucker rod sealing function, and has the reverse displacement of prevention, the function of bearing larger pressure reduction.When down-hole has pressure to change seal 14, first unscrew lower limit pin 11 and upper limit pin 13, then clockwise rotate sealing shroud 10, move down, extruding outer sphere inner seal liner 12, stops downhole oil, waterborne altering, and tightens lower limit pin 11 and upper limit pin 12, be changeable sealing-element 14, reach antipollution object.
During use, bolt 5 on lower flange in the utility model 1 and upper flange 2 and nut 6 are laid down, lower flange 1 is installed on wellhead tee joint, the utility model packs on polished rod to be installed, connect polished rod and sucker rod, lateral adjustments elongated slot 4 on alignment upper flange 3 upper bolt holes and lower flange 1, when sucker rod axis and well head axis generation lateral displacement, can be used lateral adjustment; When sucker rod axis and well head axis produce angle displacement, can use angle governor motion; When sucker rod axis and well head axis had both produced lateral displacement, while producing angle displacement again, can adopt two kinds of displacement control methods simultaneously.Displacement is tightened respectively flange bolt after regulating, interior outer sphere fastening bolt, and from grease nipple, clamp-on lubricating grease, self-lubricating sucker rod.
Claims (5)
1. bidirectional displacement correction formula pumping rod sealer, it is characterized in that: comprising: lateral displacement governor motion, angle displacement governor motion and without leak changing seal mechanism, described lateral displacement governor motion comprises: lower flange (1) and be arranged on the upper flange (3) on interior spheroid (2), on described lower flange (1), be provided with some lateral adjustments elongated slots (4), on upper flange (2), be provided with the bolt hole that some lateral adjustments elongated slots (4) cooperatively interact, described lower flange (1) is connected with nut (6) by bolt (5) with upper flange (3), described angle displacement governor motion comprises: interior spheroid (2), outer sphere (7), interior outer sphere attaching nut (8) and interior outer sphere fastening bolt (9), and described outer sphere (7) is connected with the external screw thread of interior spheroid (2) with the internal thread of interior spheroid (2) by interior outer sphere attaching nut (8), described nothing is leaked replacing seal mechanism and is comprised: the sealing shroud (10), lower limit pin (11), outer sphere inner seal liner (12) and the upper limit pin (13) that by external screw thread, are connected with described outer sphere (7) internal thread, described outer sphere inner seal liner (12) is arranged on the inner chamber of described outer sphere (7), lower limit pin (11) is with sealing shroud (10) by axial keyway axial location, and upper limit pin (13) stops tight outer sphere (7) and sealing shroud (10), in described sealing shroud (10), be provided with seal (14), in the adjusting upper end of described sealing shroud (10), be threaded and regulated and cap (15), in adjusting cap (15), be provided with gland (16), in described lower flange (1), upper flange (3), adjusting cap (15) and gland (16), be all provided with cavity (17), sucker rod is arranged in cavity (17).
2. according to bidirectional displacement correction formula pumping rod sealer claimed in claim 1, it is characterized in that: in described adjusting cap (15), be provided with grease nipple (18), in described adjusting cap (15), the upper end of gland (16) is provided with lubrication and seal part (19).
3. according to the bidirectional displacement correction formula pumping rod sealer described in claim 1 or 2, it is characterized in that: described seal (14) is left-handed spring formula cone seal.
4. according to bidirectional displacement correction formula pumping rod sealer claimed in claim 3, it is characterized in that: on described upper flange (2), divide equally and be provided with four lateral adjustments elongated slots (4).
5. according to bidirectional displacement correction formula pumping rod sealer claimed in claim 4, it is characterized in that: O RunddichtringO (20) together with being provided with between upper flange (3) at described lower flange (1) is provided with twice O type seal (21) between described outer sphere (7) and sealing shroud (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476794.XU CN203835317U (en) | 2013-08-06 | 2013-08-06 | Bidirectional displacement-deviation-rectifying-type sucker rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476794.XU CN203835317U (en) | 2013-08-06 | 2013-08-06 | Bidirectional displacement-deviation-rectifying-type sucker rod sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203835317U true CN203835317U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320476794.XU Expired - Fee Related CN203835317U (en) | 2013-08-06 | 2013-08-06 | Bidirectional displacement-deviation-rectifying-type sucker rod sealer |
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| Country | Link |
|---|---|
| CN (1) | CN203835317U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388467A (en) * | 2013-08-06 | 2013-11-13 | 江苏省金峰石油机械制造有限公司 | Bidirectional displacement deflection correction type sucker rod sealer |
| CN112983329A (en) * | 2021-03-01 | 2021-06-18 | 大庆市天德忠石油科技有限公司 | Tilt-adjusting wear-resistant packing box |
-
2013
- 2013-08-06 CN CN201320476794.XU patent/CN203835317U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388467A (en) * | 2013-08-06 | 2013-11-13 | 江苏省金峰石油机械制造有限公司 | Bidirectional displacement deflection correction type sucker rod sealer |
| CN103388467B (en) * | 2013-08-06 | 2015-12-23 | 江苏省金峰石油机械制造有限公司 | Bidirectional displacement deflection correction type sucker rod sealer |
| CN112983329A (en) * | 2021-03-01 | 2021-06-18 | 大庆市天德忠石油科技有限公司 | Tilt-adjusting wear-resistant packing box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20200806 |