CN105201419B - Oil-submerged electric screw pump thrust short circuit - Google Patents
Oil-submerged electric screw pump thrust short circuit Download PDFInfo
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- CN105201419B CN105201419B CN201510494931.6A CN201510494931A CN105201419B CN 105201419 B CN105201419 B CN 105201419B CN 201510494931 A CN201510494931 A CN 201510494931A CN 105201419 B CN105201419 B CN 105201419B
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Abstract
A kind of oil-submerged electric screw pump thrust short circuit, including thrust short circuit head, head seal ring, housing, thrust short circuit base, base sealing ring.The thrust short circuit head is sequentially connected with housing and thrust short circuit base, head seal ring is housed on thrust short circuit head, base sealing ring is housed on thrust short circuit base, axle is installed on the center of housing and thrust short circuit base, sequentially installation is connected with rolling bearing, two semi-rings, overhead platen, top bushing, internal liner, platen, thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer, compressing pipe and back-up ring on axle, strip square key is installed in the middle part of axle, upper and lower side is connected with reducing spline housing assembly.The present invention uses multistage thrust bearing parallel-connection structure, and thrust bearing bottom is provided with butterfly spring, has the characteristics that uniform load distribution, large carrying capacity, simple in construction, reliability is high, can be widely used for the oil-submerged electric screw pump unit of various models.
Description
Technical field
The present invention relates to oil exploitation mechanical oil recovery oil-submerged electric screw pump, more particularly to a kind of oil-submerged electric screw pump stops
Push away short circuit.
Background technology
Traditional oil-submerged electric screw pump thrust short circuit, its structure are rigid mount formula, it is therefore an objective to which balance comes from screw pump
Axial force, and impart power to screw pump.The screw pump thrust short circuit of this structure, effect is played for oil exploitation,
But its simultaneously there is it is following the shortcomings that or deficiency：1. bearing capacity distribution is uneven；2. element size requirement on machining accuracy is high, into
This height；3. bearing capacity is small；4. working life is short.
The content of the invention
It is an object of the invention to provide a kind of oil-submerged electric screw pump thrust short circuit, is in parallel using multistage thrust bearing group
And the structure of bottom installation butterfly spring, have the characteristics that load distribution uniform, large carrying capacity, reliability are high, effectively gram
Take or avoid shortcoming and defect present in above-mentioned prior art.
Oil-submerged electric screw pump thrust short circuit of the present invention, including thrust short circuit head, head seal ring, housing,
Thrust short circuit base, base sealing ring.The thrust short circuit head is sequentially connected with housing and thrust short circuit base, and thrust is short
Head seal ring is housed in connector portions, base sealing ring is housed on thrust short circuit base, axle is installed on housing and thrust short circuit bottom
The center of seat, sequentially installation is connected with rolling bearing, two semi-rings, overhead platen, top bushing, internal liner, platen, only on axle
Thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer, compressing pipe and back-up ring, axle middle part are provided with
Strip square key, upper and lower side are connected with reducing spline housing assembly.
Wherein, the top inner circle of the cylindrical and overhead platen of two semi-ring is engaged, and overhead platen, top bushing, is stopped
Thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer composition top thrust mechanism.Between the level
Bushing, platen, thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer stop between forming a level
Thrust bearing group, the quantity of the thrust bearing group can arbitrarily be adjusted according to magnitude of load.The bottom of the platen is sequentially installed with only
Thrust bearing, butterfly spring and bearing spider assembly.The internal liner 7 is installed between two adjacent bearing spider assemblies.Institute
The outside for stating journal bearing is engaged with the endoporus of bearing spider assembly, and its top is provided with axle sleeve, and bottom withstands on the upper of platen
End face.The upper surface of the axle sleeve withstands on the lower surface of platen.The strip square key installed on the axle, pressed respectively with top
Disk, platen, axle sleeve, journal bearing are engaged.Oiling valve assembly is installed on the thrust short circuit base.The housing and thrust
Junction is welded with anti-down piece between short circuit base.
The present invention has the following advantages that compared with prior art：
（1）Load distribution is uniform.
（2）Large carrying capacity.
（3）Simple in construction, cost is low, assembling, using, it is easy to maintenance.
（4）Reliability is high, service life length.
（5）Installation, easy to use, flexible, thrust bearing group can be according to being actually needed, flexible assembling.
（6）Each part forms oil-submerged electric screw pump unit, available for oil exploitation artificial lift.
Brief description of the drawings
Fig. 1 is an embodiment of the present invention structural representation；
Fig. 2 is thrust short circuit link position structural representation as shown in Figure 1.
Embodiment：
Refering to Fig. 1-Fig. 2, a kind of oil-submerged electric screw pump thrust short circuit, including thrust short circuit head 1, head seal ring 3,
Housing 17, thrust short circuit base 18, base sealing ring 20.Thrust short circuit head 1 sequentially with housing 17 and thrust short circuit base 18
It is connected, head seal ring 3 is housed on thrust short circuit head 1, base sealing ring 20 is housed on thrust short circuit base 18, axle 16 is pacified
Center loaded on housing 17 and thrust short circuit base 18, sequentially installation is connected with rolling bearing 2, two semi-rings 4, top pressure on axle 16
Disk 5, top bushing 6, internal liner 7, platen 8, thrust bearing 9, butterfly spring 10, axle sleeve 11, bearing spider assembly 12, footpath
To bearing 13, thrust washer 14, compressing pipe 15 and back-up ring 23, the middle part of axle 16 is provided with strip square key 24, and upper and lower side is connected with
Reducing spline housing assembly 21.
The top inner circle of the cylindrical and overhead platen 5 of two semi-rings 4 is engaged, overhead platen 5, top bushing 6, thrust bearing
9th, butterfly spring 10, axle sleeve 11, bearing spider assembly 12, journal bearing 13, thrust washer 14 form top thrust mechanism.Level
Between bushing 7, platen 8, thrust bearing 9, butterfly spring 10, axle sleeve 11, bearing spider assembly 12, journal bearing 13, thrust washer
Thrust bearing group between 14 one level of composition, the quantity of the thrust bearing group can arbitrarily be adjusted according to magnitude of load.The bottom of platen 8
It is sequentially installed with thrust bearing, butterfly spring and bearing spider assembly.Internal liner 7 is installed on two adjacent bearing spider assemblies
Between 12.The outside of journal bearing 13 is engaged with the endoporus of bearing spider assembly 12, and its top is provided with axle sleeve 11, bottom top
In 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 installed on axle 16, respectively
It is engaged with overhead platen 5, platen 8, axle sleeve 11, journal bearing 13.Oiling valve assembly is installed on thrust short circuit base 18
19.Junction is welded with anti-down piece 22 between housing 17 and thrust short circuit base 18.
Refering to Fig. 2, the top of thrust short circuit 28 of the invention is sequentially installed with screw pump protector 27, universal joint 26 and spiral shell
Bar pump 25, bottom are sequentially installed with decelerator 29, motor protecter 30 and submersible electric machine with oil 31.
Claims (10)
1. a kind of oil-submerged electric screw pump thrust short circuit, including thrust short circuit head, head seal ring, housing, thrust short circuit bottom
Seat, base sealing ring, it is characterised in that the thrust short circuit head is sequentially connected with housing and thrust short circuit base, and thrust is short
Head seal ring is housed in connector portions, base sealing ring is housed on thrust short circuit base, axle is installed on housing and thrust short circuit bottom
The center of seat, sequentially installation is connected with rolling bearing, two semi-rings, overhead platen, top bushing, internal liner, platen, only on axle
Thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer, compressing pipe and back-up ring, axle middle part are provided with
Strip square key, upper and lower side are connected with reducing spline housing assembly.
2. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterised in that two semi-ring it is cylindrical with
The top inner circle of overhead platen is engaged, and overhead platen, top bushing, thrust bearing, butterfly spring, axle sleeve, bearing spider are total
Into, journal bearing, thrust washer composition top thrust mechanism.
3. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterised in that the internal liner, platen,
Thrust bearing, butterfly spring, axle sleeve, bearing spider assembly, journal bearing, thrust washer form thrust bearing group between a level,
The quantity of the thrust bearing group can arbitrarily be adjusted according to magnitude of load.
4. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterised in that the bottom of the platen is successively
Thrust bearing, butterfly spring and bearing spider assembly are installed.
5. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterised in that the internal liner is installed on
Between two adjacent bearing spider assemblies.
6. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterised in that the outside of the journal bearing
It is engaged with the endoporus of bearing spider assembly, the top of journal bearing is provided with axle sleeve, bottom withstands on the upper surface of platen.
7. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterised in that the upper surface top of the axle sleeve
In the lower surface of platen.
8. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterised in that the strip installed on the axle
Shape square key is engaged with overhead platen, platen, axle sleeve, journal bearing respectively.
9. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterised in that on the thrust short circuit base
Oiling valve assembly is installed.
10. oil-submerged electric screw pump thrust short circuit according to claim 1, it is characterised in that the housing and thrust short circuit
Junction is welded with anti-down piece between base.
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 CN105201419A (en) | 2015-12-30 |
| CN105201419B true CN105201419B (en) | 2017-11-24 |
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ID=54949332
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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN105201419B (en) |
Families Citing this family (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 hoisting system |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3983749B2 (en) * | 2004-04-30 | 2007-09-26 | 兵神装備株式会社 | Magnet coupling pump |
-
2015
- 2015-08-13 CN CN201510494931.6A patent/CN105201419B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105201419A (en) | 2015-12-30 |
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