CN208503045U - A kind of oil-immersed pump of flanged pin formula bearing arrangement - Google Patents
A kind of oil-immersed pump of flanged pin formula bearing arrangement Download PDFInfo
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- CN208503045U CN208503045U CN201821082127.2U CN201821082127U CN208503045U CN 208503045 U CN208503045 U CN 208503045U CN 201821082127 U CN201821082127 U CN 201821082127U CN 208503045 U CN208503045 U CN 208503045U
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- sand control
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Abstract
The utility model discloses a kind of oil-immersed pumps of flanged pin formula bearing arrangement, comprising: upper pump head, pump case, leads shell, impeller, sand control grade and leads shell, sand control grade impeller, pump shaft, main shaft bearing sleeve, main bearing shell and countershaft watt at lower pump head；Main shaft bearing sleeve is socketed on pump shaft；Upper pump head and lower pump head respectively assemble a main bearing shell, main bearing shell and main shaft bearing sleeve opposite grinding；Every grade of impeller is led shell as one group of blade guiding wheel and is mounted on pump shaft step by step with corresponding, in every group of blade guiding wheel, leads shell and is mounted on above impeller；Sand control grade impeller and sand control grade are led shell and are mounted on pump shaft as one group of sand control grade blade guiding wheel, and sand control grade blade guiding wheel is mounted between two adjacent groups routine blade guiding wheel；Lead that shell, impeller, sand control grade lead shell, sand control grade impeller is integrally packed into pump case；Flanged type bearing holder (housing, cover) is set between sand control grade impeller and impeller, and the outer wall of flanged type bearing holder (housing, cover) is equipped with the step flange with countershaft watt opposite grinding, and flanged type bearing holder (housing, cover) is mounted on pump shaft, and countershaft watt is mounted on sand control grade and leads on shell.
Description
Technical field
The utility model belongs to latent oil pump technical field more particularly to a kind of oil-immersed pump of flanged pin formula bearing arrangement.
Background technique
Currently, oil development is increasingly focused on the research and development of new technology and is made as economic growth, Fossil fuel consumption increase
With.With the fast development of petroleum industry, many advantages, such as oil-immersed pump is because of its high efficiency, is in oil production equipment in occupation of important
Status.Due to the extensive use of underground water-injection production technique, the higher oil well of sand content is more and more, especially in Indonesia and Eastern Europe
Equal areas.And the groundwork equipment that oil-immersed pump is conveyed as down-hole liquid, inner body revolve at a high speed in well liquid for a long time
Turn, although the strainer of entrance setting can filter out part gravel, but still there is more tiny gravel to enter in pump, these
Gravel can pump interior high-speed mobile with well liquid, impact impeller and lead piece surface in the blade and other pumps of shell, and then cause
Its serious wear and damage.Therefore, common oil-immersed pump do not operated in oil well of the height containing sand how long will because abrasion
It can not seriously work on.General solution is to use full voltage type structure, and wear-resisting radial branch is suitably added between grade
Support is to improve anti-sand ability.But full voltage type oil-immersed pump axial force is larger, this is larger to protector thrust bearing load, generally to adopt
With high-mechanic thrust bearing, and pump stage number cannot be excessive.
Utility model content
In view of the drawbacks of the prior art, the utility model provides a kind of oil-immersed pump of flanged pin formula bearing arrangement, the technology
Axial force is pumped with reducing, reduces protector load, reduces oil-immersed pump parts depreciation, improves oil-immersed pump and unit service life
Feature.
Used by the utility model the specific technical proposal is:
A kind of oil-immersed pump of flanged pin formula bearing arrangement, includes at least: upper pump head (1), pump case (5), is led at lower pump head (10)
Shell (6), impeller (7), sand control grade lead shell (8), sand control grade impeller (9), pump shaft (4), main shaft bearing sleeve (3), main bearing shell (2) and countershaft
Watt (13)；Wherein: the pump case (5) is the cylindrical structure of both ends open, and the pump shaft (4) is located at the central axis of pump case (5)
On, the main shaft bearing sleeve (3) is socketed on pump shaft (4)；The upper pump head (1) and lower pump head (10) respectively assemble a main bearing shell
(2), main bearing shell (2) and main shaft bearing sleeve (3) opposite grinding, as radial support；Every grade of impeller (7) is with corresponding lead shell (6) as one
Group blade guiding wheel is mounted on step by step on pump shaft (4), in every group of blade guiding wheel, is led shell (6) and is mounted on above impeller (7)；The sand control grade
Impeller (9) and sand control grade are led shell (8) and are mounted on pump shaft (4) as one group of sand control grade blade guiding wheel, the sand control grade blade guiding wheel peace
Between two groups of routine blade guiding wheels of arbitrary neighborhood；Shell (6), impeller (7), the sand control grade led leads shell (8), sand control grade impeller
(9) whole to be packed into pump case (5)；Flanged type bearing holder (housing, cover) is set between the sand control grade impeller (9) and impeller (7) above it
(12), the outer wall of the flanged type bearing holder (housing, cover) (12) is equipped with the step flange with countershaft watt (13) opposite grinding, the flanged type axis
Bearing sleeve (12) is mounted on pump shaft (4), and countershaft watt (13) is mounted on sand control grade and leads on shell (8).
Further, compensation set (11) is equipped between the flanged type bearing holder (housing, cover) (12) and the impeller (7) of top.
Further, the upper transverse plane of the countershaft watt (13) be to flat surface grinding, it is described that intake chute is equipped with to flat surface grinding.
The advantages of the utility model and good effect are as follows:
By using above-mentioned technical proposal, it is whole to reduce pump as axial support for flanged type bearing holder (housing, cover) and countershaft watt cooperation
Axial force.Flanged type bearing holder (housing, cover) and countershaft watt had both played the role of axial supporting role, also functioned to radial support.Axial force of impeller is made
With on flanged type bearing holder (housing, cover), sand control grade is transferred to through countershaft watt and leads shell, pump axial force reduction, and impeller, lead shell parts depreciation
Reduce.Countershaft watt axial direction is equipped with intake chute to flat surface grinding, and opposite grinding plane is promoted to form lubricating film.It is main shaft bearing sleeve, main bearing shell, convex
Edge formula bearing holder (housing, cover), countershaft watt are all made of wear-resistant material, adapt to a variety of working medias, particularly with medium containing sand, have very high
Wearability improves the service life of oil-immersed pump.When latent oil pump work, the axial load that protector thrust bearing is born reduces, and mentions
The high service life of protector.
Detailed description of the invention
Fig. 1 is the axial section of the utility model embodiment；
Fig. 2 is the enlarged drawing in the utility model embodiment Fig. 1 circle.
Wherein: 1, upper pump head；2, main bearing shell；3, main shaft bearing sleeve；4, pump shaft；5, pump case；6, shell is led；7, impeller；8, sand control
Grade leads shell；9, sand control grade impeller；10, lower pump head；11, compensation set；12, flanged type bearing holder (housing, cover)；13, countershaft watt.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates
Detailed description are as follows for attached drawing.
The structure of the utility model is explained in detail with reference to the accompanying drawing.
Please refer to Fig. 1 and Fig. 2: a kind of oil-immersed pump of flanged pin formula bearing arrangement, mainly include upper pump head 1, lower pump head 10,
Pump case 5 leads shell 6, impeller 7, sand control grade and leads shell 8, sand control grade impeller 9, pump shaft 4, main shaft bearing sleeve 3, main bearing shell 2, flanged type bearing
12 and countershaft watt 13 are covered, the shell 6 of leading in this patent is conventional shell of leading, and impeller 7 is conventional impeller；The oil-immersed pump is in sand control grade
Flanged type bearing holder (housing, cover) 12 is set between impeller 9 and impeller 7 above it, and flanged type bearing holder (housing, cover) 12 is equipped with and 13 opposite grinding of countershaft watt
Step flanged structure, flanged type bearing holder (housing, cover) 12 and the cooperation of countershaft watt 13 reduce as axial support and pump whole axial force.
The flanged type bearing holder (housing, cover) 12 is mounted on pump shaft 4, and countershaft watt 13 is mounted on sand control grade and leads shell 8, and oil-immersed pump is in work
When making, flanged type bearing holder (housing, cover) 12 and countershaft watt 13 had both played the role of axial supporting role, while playing radial support.
The flanged type bearing holder (housing, cover) 12 is arranged in 7 lower section of impeller, and compensation set is equipped between impeller 7 and flanged type bearing holder (housing, cover) 12
11, when latent oil pump work, impeller 7 and compensation set 11 are pressed on flanged type bearing holder (housing, cover) 12, and axial force of impeller acts on flanged type axis
On bearing sleeve 12, sand control grade is transferred to through countershaft watt 13 and leads shell 8.
The axial upper transverse plane of the countershaft watt 13 is and to be equipped with intake chute to flat surface grinding, and opposite grinding plane is promoted to form profit
Synovial membrane.
In addition, main shaft bearing sleeve 3, main bearing shell 2, flanged type bearing holder (housing, cover) 12, countershaft watt 13 are all made of the wear-resisting material such as hard alloy
Material, adapts to a variety of working medias, is particularly suitable for medium containing sand,
Working principle of the utility model is:
The utility model includes upper pump head 1, lower pump head 10, pump case 5, leads shell 6, impeller 7, sand control grade and lead shell 8, sand control grade leaf
9, pump shaft 4, main shaft bearing sleeve 3, main bearing shell 2, flanged type bearing holder (housing, cover) 12, countershaft watt 13 are taken turns, wherein the oil-immersed pump sand control grade impeller 9
Flanged type bearing holder (housing, cover) 12 is set between the impeller 7 above it, and flanged type bearing holder (housing, cover) 12 is equipped with the step with 13 opposite grinding of countershaft watt
Formula flanged structure, flanged type bearing holder (housing, cover) 12 and the cooperation of countershaft watt 13 undertake part axial force, it is whole to reduce pump as axial support
Axial force.The flanged type bearing holder (housing, cover) 12 is mounted on pump shaft 4, is revolving part, and countershaft watt 11 is mounted on sand control grade and leads on shell 8,
For static element, flanged type bearing holder (housing, cover) 12 and the existing axially contact opposite grinding of countershaft watt 13 also have circumferential contact opposite grinding, and oil-immersed pump is in work
When making, flanged type bearing holder (housing, cover) 12 and countershaft watt 13 had both played the role of axial supporting role, while playing radial support.The flange
Formula bearing holder (housing, cover) 12 is arranged in the lower section of impeller 7, is equipped with compensation set 11 between impeller 7 and flanged type bearing holder (housing, cover) 12, when latent oil pump work,
Impeller 7 and compensation set 11 are pressed on flanged type bearing holder (housing, cover) 12, and axial force of impeller is all applied on flanged type bearing holder (housing, cover) 12, and is passed through
It crosses countershaft watt 13 and is transferred to sand control grade and lead shell 8, axial force of impeller is led shell 8 by sand control grade and absorbed, and generator protection device is no longer transferred to
Thrust bearing.On the countershaft watt 13 transverse plane be to flat surface grinding, and be equipped with intake chute, promote opposite grinding plane formed lubrication
Film, when unit opens machine, it is ensured that flat surface grinding fast lubricant, improve equipment dependability.
The main shaft bearing sleeve 3, main bearing shell 2, flanged type bearing holder (housing, cover) 12, countershaft watt 13 are all made of the wear-resisting material such as hard alloy
Material, intensity is good, high reliablity, under ambient condition containing sand, still has very high wearability, long service life.
Flanged type bearing holder (housing, cover) 12 is pressed on countershaft watt 13 by the impeller 7 by responsive to axial force, flanged type bearing holder (housing, cover) 12
Opposite grinding between countershaft watt 13 leads the opposite grinding of shell instead of impeller 7 and its next stage, and the abrasion for reducing impeller, leading shell mentions
The high service life of part, and then improve the service life of pump.
It can also adopt the following technical scheme that and lead setting bearing support between shell adjacent, the countershaft watt 13 is pacified
On bearing support between grade, cooperate with flanged type bearing holder (housing, cover) 12, as axial support, reduces pump axial force；It can also be with
Each group of routine blade guiding wheel is all changed to sand control grade blade guiding wheel, and the countershaft watt 13 is mounted on every grade of sand control grade and leads on shell 8, in correspondence
Flanged type bearing holder (housing, cover) 12 is set on position.
Both the above technical solution is formed on the structure of setting flanged type bearing holder (housing, cover) in oil-immersed pump, flanged type bearing holder (housing, cover) with
Axial supporting role is played in countershaft watt cooperation, is reduced and is pumped whole axial force.Flanged type bearing holder (housing, cover) and countershaft watt had both played axial branch
Support effect also functions to radial support effect.Axial force of impeller acts on flanged type bearing holder (housing, cover), is transferred to through countershaft watt and leads shell,
Pump axial force reduction, and impeller, lead shell parts depreciation reduction.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is all according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (3)
1. a kind of oil-immersed pump of flanged pin formula bearing arrangement, includes at least: upper pump head (1), pump case (5), leads shell at lower pump head (10)
(6), impeller (7), sand control grade lead shell (8), sand control grade impeller (9), pump shaft (4), main shaft bearing sleeve (3), main bearing shell (2) and countershaft watt
(13)；Wherein: the pump case (5) is the cylindrical structure of both ends open, and the pump shaft (4) is located on the central axis of pump case (5),
The main shaft bearing sleeve (3) is socketed on pump shaft (4)；The upper pump head (1) and lower pump head (10) respectively assemble a main bearing shell (2),
Main bearing shell (2) and main shaft bearing sleeve (3) opposite grinding, as radial support；Every grade of impeller (7) is with corresponding lead shell (6) as one group of leaf
Guide wheel is mounted on step by step on pump shaft (4), in every group of blade guiding wheel, is led shell (6) and is mounted on above impeller (7)；The sand control grade impeller
(9) it leads shell (8) with sand control grade to be mounted on pump shaft (4) as one group of sand control grade blade guiding wheel, the sand control grade blade guiding wheel is mounted on
Between two groups of routine blade guiding wheels of arbitrary neighborhood；It is described to lead shell (6), impeller (7), sand control grade to lead shell (8), sand control grade impeller (9) whole
Body is packed into pump case (5)；It is characterized in that, flanged type axis is arranged between the sand control grade impeller (9) and impeller (7) above it
Bearing sleeve (12), the outer wall of the flanged type bearing holder (housing, cover) (12) are equipped with the step flange with countershaft watt (13) opposite grinding, the flange
Formula bearing holder (housing, cover) (12) is mounted on pump shaft (4), and countershaft watt (13) is mounted on sand control grade and leads on shell (8).
2. the oil-immersed pump of flanged pin formula bearing arrangement according to claim 1, which is characterized in that the flanged type bearing holder (housing, cover)
(12) compensation set (11) is equipped between the impeller of top (7).
3. the oil-immersed pump of flanged pin formula bearing arrangement according to claim 1, which is characterized in that the countershaft watt (13)
Upper transverse plane be to flat surface grinding, it is described that intake chute is equipped with to flat surface grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821082127.2U CN208503045U (en) | 2018-07-09 | 2018-07-09 | A kind of oil-immersed pump of flanged pin formula bearing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821082127.2U CN208503045U (en) | 2018-07-09 | 2018-07-09 | A kind of oil-immersed pump of flanged pin formula bearing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN208503045U true CN208503045U (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821082127.2U Active CN208503045U (en) | 2018-07-09 | 2018-07-09 | A kind of oil-immersed pump of flanged pin formula bearing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255698A (en) * | 2020-03-27 | 2020-06-09 | 天津伟蓝石油机械设备有限公司 | Centrifugal water pump |
-
2018
- 2018-07-09 CN CN201821082127.2U patent/CN208503045U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255698A (en) * | 2020-03-27 | 2020-06-09 | 天津伟蓝石油机械设备有限公司 | Centrifugal water pump |
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