CN105201419A - Submersible electric screw pump thrust pup joint - Google Patents
Submersible electric screw pump thrust pup joint Download PDFInfo
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- CN105201419A CN105201419A CN201510494931.6A CN201510494931A CN105201419A CN 105201419 A CN105201419 A CN 105201419A CN 201510494931 A CN201510494931 A CN 201510494931A CN 105201419 A CN105201419 A CN 105201419A
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- thrust
- short circuit
- bearing
- screw pump
- electric screw
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Abstract
The invention provides a submersible electric screw pump thrust pup joint which comprises a thrust pup joint head, a head sealing ring, a shell, a thrust pup joint base and a base sealing ring, wherein the thrust pup joint head is sequentially connected with the shell and the thrust pup joint base; the thrust pup joint head is provided with the head sealing ring; the thrust pup joint base is provided with the base sealing ring; a shaft is arranged at the centers of the shell and the thrust pup joint base and is sequentially provided and connected with a rolling bearing, two semi-rings, an upper pressure plate, an upper lining, a pressure plate, a thrust bearing, a belleville spring, a shaft sleeve, a bearing support assembly, a radial bearing, a thrust washer, a compression pipe and a check ring; the middle of the shaft is provided with a long-strip square key, and the upper and lower ends of the shaft are connected with a diameter-variable spline sleeve assembly. According to the submersible electric screw pump thrust pup joint, a multi-stage thrust bearing parallel connection structure is adopted, and the lower part of the thrust bearing is provided with the belleville spring, so that the submersible electric screw pump thrust pup joint has the characteristics of uniform load distribution, high load bearing capacity, simple structure, high reliability and the like, and can be widely applied to various types of submersible electric screw pump units.
Description
Technical field
The present invention relates to oil exploitation mechanical oil recovery oil-submerged electric screw pump, particularly a kind of oil-submerged electric screw pump thrust short circuit.
Background technology
Traditional oil-submerged electric screw pump thrust short circuit, its structure is rigid mount formula, and object is the axial force of balance from screw pump, and by power transmission to screw pump.The screw pump thrust short circuit of this structure, for oil exploitation has played effect, but it also exists following shortcoming or deficiency simultaneously: 1. bearing capacity distributes uneven; 2. element size requirement on machining accuracy is high, and cost is high; 3. supporting capacity is little; 4. working life is short.
Summary of the invention
The object of this invention is to provide a kind of oil-submerged electric screw pump thrust short circuit, multistage thrust bearing group is adopted to be in parallel and the structure of butterfly spring is installed in bottom, have that load distribution is even, supporting capacity is large, reliability high, effectively overcome or avoid the shortcoming and defect that exists in above-mentioned prior art.
Oil-submerged electric screw pump thrust short circuit of the present invention, comprises thrust short circuit head, head seal ring, housing, thrust short circuit base, base seal ring.Described thrust short circuit head is connected with thrust short circuit base with housing in turn, thrust short circuit head is equipped with head seal ring, thrust short circuit base is equipped with base seal ring, axle is installed on the center of housing and thrust short circuit base, axle is installed in turn and is connected with rolling bearing, two semi-rings, overhead platen, top lining, internal liner, platen, thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer, compression pipe and back-up ring, be provided with strip square key in the middle part of axle, upper and lower side is connected with reducing spline housing assembly.
Wherein, the cylindrical of described two semi-rings matches with the top inner circle of overhead platen, overhead platen, top lining, thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer composition top thrust mechanism.Described internal liner, platen, thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer form an inter-stage thrust bearing group, and the quantity of this thrust bearing group can regulate arbitrarily according to magnitude of load.The bottom of described platen is provided with thrust bearing, butterfly spring and bearing spider assembly successively.Described internal liner 7 is installed between two adjacent bearing spider assemblies.Match with the endoporus of bearing spider assembly in the outside of described journal bearing, its top is provided with axle sleeve, and bottom withstands on the upper surface of platen.The upper surface of described axle sleeve withstands on the lower surface of platen.The strip square key that described axle is installed, matches with overhead platen, platen, axle sleeve, journal bearing respectively.Described thrust short circuit base is provided with fuel feeding valve assembly.Between described housing and thrust short circuit base, junction is welded with anti-down piece.
The present invention compared with prior art tool has the following advantages:
(1) load distribution is even.
(2) supporting capacity is large.
(3) structure is simple, and cost is low, assembling, use, easy to maintenance.
(4) reliability is high, long service life.
(5) install, easy to use, flexible, thrust bearing group can according to actual needs, flexible assembling.
(6) each parts composition oil-submerged electric screw pump unit, can be used for oil exploitation artificial lift.
Accompanying drawing explanation
fig. 1for an embodiment of the present invention structural representation
figure;
fig. 2for pressing
fig. 1shown thrust short circuit link position structural representation
figure.
detailed description of the invention:
Consult
fig. 1-
fig. 2, a kind of oil-submerged electric screw pump thrust short circuit, comprises thrust short circuit head 1, head seal ring 3, housing 17, thrust short circuit base 18, base seal ring 20.Thrust short circuit head 1 is connected with thrust short circuit base 18 with housing 17 in turn, thrust short circuit head 1 is equipped with head seal ring 3, thrust short circuit base 18 is equipped with base seal ring 20, axle 16 is installed on the center of housing 17 and thrust short circuit base 18, axle 16 is installed in turn and is connected with rolling bearing 2, two semi-rings 4, overhead platen 5, top lining 6, internal liner 7, platen 8, thrust bearing 9, butterfly spring 10, axle sleeve 11, bearing spider assembly 12, journal bearing 13, thrust washer 14, compress pipe 15 and back-up ring 23, strip square key 24 is installed in the middle part of axle 16, upper and lower side is connected with reducing spline housing assembly 21.
The cylindrical of two semi-rings 4 matches with the top inner circle of overhead platen 5, and overhead platen 5, top lining 6, thrust bearing 9, butterfly spring 10, axle sleeve 11, bearing spider assembly 12, journal bearing 13, thrust washer 14 form top thrust mechanism.Internal liner 7, platen 8, thrust bearing 9, butterfly spring 10, axle sleeve 11, bearing spider assembly 12, journal bearing 13, thrust washer 14 form an inter-stage thrust bearing group, and the quantity of this thrust bearing group can regulate arbitrarily according to magnitude of load.The bottom of platen 8 is provided with thrust bearing, butterfly spring and bearing spider assembly successively.Internal liner 7 is installed between two adjacent bearing spider assemblies 12.Match with the endoporus of bearing spider assembly 12 in the outside of journal bearing 13, its top is provided with axle sleeve 11, and bottom withstands on the upper surface of platen 8.The upper surface of axle sleeve 11 withstands on the lower surface of platen 8.The strip square key 24 that axle 16 is installed, matches with overhead platen 5, platen 8, axle sleeve 11, journal bearing 13 respectively.Thrust short circuit base 18 is provided with fuel feeding valve assembly 19.Between housing 17 and thrust short circuit base 18, junction is welded with anti-down piece 22.
Consult
fig. 2, the top of thrust short circuit 28 of the present invention is provided with screw pump protector 27, universal joint 26 and screw pump 25 successively, and bottom is provided with reducer 29, motor protecter 30 and submersible electric machine with oil 31 successively.
Claims (10)
1. an oil-submerged electric screw pump thrust short circuit, comprise thrust short circuit head, head seal ring, housing, thrust short circuit base, base seal ring, it is characterized in that described thrust short circuit head is connected with thrust short circuit base with housing in turn, thrust short circuit head is equipped with head seal ring, thrust short circuit base is equipped with base seal ring, axle is installed on the center of housing and thrust short circuit base, axle is installed in turn and is connected with rolling bearing, two semi-rings, overhead platen, top lining, internal liner, platen, thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer, compress pipe and back-up ring, strip square key is installed in the middle part of axle, upper and lower side is connected with reducing spline housing assembly.
2. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterized in that the cylindrical of described two semi-rings matches with the top inner circle of overhead platen, overhead platen, top lining, thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer composition top thrust mechanism.
3. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterized in that described internal liner, platen, thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer form an inter-stage thrust bearing group, the quantity of this thrust bearing group can regulate arbitrarily according to magnitude of load.
4. oil-submerged electric screw pump thrust short circuit according to claim 1, is characterized in that the bottom of described platen is provided with thrust bearing, butterfly spring and bearing spider assembly successively.
5. oil-submerged electric screw pump thrust short circuit according to claim 1, is characterized in that described internal liner is installed between two adjacent bearing spider assemblies.
6. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterized in that matching with the endoporus of bearing spider assembly in the outside of described journal bearing, its top is provided with axle sleeve, and bottom withstands on the upper surface of platen.
7. oil-submerged electric screw pump thrust short circuit according to claim 1, is characterized in that the upper surface of described axle sleeve withstands on the lower surface of platen.
8. oil-submerged electric screw pump thrust short circuit according to claim 1, is characterized in that the strip square key that described axle is installed, matches respectively with overhead platen, platen, axle sleeve, journal bearing.
9. oil-submerged electric screw pump thrust short circuit according to claim 1, is characterized in that described thrust short circuit base is provided with fuel feeding valve assembly.
10. oil-submerged electric screw pump thrust short circuit according to claim 1, is characterized in that between described housing and thrust short circuit base, junction is welded with anti-down piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510494931.6A CN105201419B (en) | 2015-08-13 | 2015-08-13 | Oil-submerged electric screw pump thrust short circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510494931.6A CN105201419B (en) | 2015-08-13 | 2015-08-13 | Oil-submerged electric screw pump thrust short circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105201419A true CN105201419A (en) | 2015-12-30 |
| CN105201419B CN105201419B (en) | 2017-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510494931.6A Active CN105201419B (en) | 2015-08-13 | 2015-08-13 | Oil-submerged electric screw pump thrust short circuit |
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| Country | Link |
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| CN (1) | CN105201419B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253569A (en) * | 2016-08-30 | 2016-12-21 | 无锡艾尔特线性运动机械有限公司 | Overload protection type electric pushrod |
| CN106812502A (en) * | 2016-12-22 | 2017-06-09 | 中国石油天然气股份有限公司 | Fireflood well electric submersible screw pump lifting system |
| CN112576499A (en) * | 2020-10-22 | 2021-03-30 | 北京华晖恒泰能源科技有限公司 | Compound inner rotor type oil gas lifting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315188A (en) * | 2004-04-30 | 2005-11-10 | Heishin Engineering & Equipment Co Ltd | Magnet coupling type pump |
| CN101187367A (en) * | 2006-12-27 | 2008-05-28 | 中国海洋石油总公司 | Downhole double screw pump system |
| CN101429936A (en) * | 2008-11-08 | 2009-05-13 | 中国石油大学(华东) | Down-hole double-screw type oil gas multi-phase mixed pump |
| CN102155390A (en) * | 2011-03-25 | 2011-08-17 | 杨天博 | Flexible transmission mechanism for deep well screw pump |
| CN202065172U (en) * | 2011-05-16 | 2011-12-07 | 李飞明 | Double-suction submersible electrically operated double-screw pump |
| CN205025370U (en) * | 2015-08-13 | 2016-02-10 | 胜利油田胜利泵业有限责任公司 | Latent oily electric screw bar pump thrust short circuit |
-
2015
- 2015-08-13 CN CN201510494931.6A patent/CN105201419B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315188A (en) * | 2004-04-30 | 2005-11-10 | Heishin Engineering & Equipment Co Ltd | Magnet coupling type pump |
| CN101187367A (en) * | 2006-12-27 | 2008-05-28 | 中国海洋石油总公司 | Downhole double screw pump system |
| CN101429936A (en) * | 2008-11-08 | 2009-05-13 | 中国石油大学(华东) | Down-hole double-screw type oil gas multi-phase mixed pump |
| CN102155390A (en) * | 2011-03-25 | 2011-08-17 | 杨天博 | Flexible transmission mechanism for deep well screw pump |
| CN202065172U (en) * | 2011-05-16 | 2011-12-07 | 李飞明 | Double-suction submersible electrically operated double-screw pump |
| CN205025370U (en) * | 2015-08-13 | 2016-02-10 | 胜利油田胜利泵业有限责任公司 | Latent oily electric screw bar pump thrust short circuit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253569A (en) * | 2016-08-30 | 2016-12-21 | 无锡艾尔特线性运动机械有限公司 | Overload protection type electric pushrod |
| CN106812502A (en) * | 2016-12-22 | 2017-06-09 | 中国石油天然气股份有限公司 | Fireflood well electric submersible screw pump lifting system |
| CN112576499A (en) * | 2020-10-22 | 2021-03-30 | 北京华晖恒泰能源科技有限公司 | Compound inner rotor type oil gas lifting device |
| CN112576499B (en) * | 2020-10-22 | 2021-09-07 | 北京华晖恒泰能源科技有限公司 | Compound inner rotor type oil gas lifting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105201419B (en) | 2017-11-24 |
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