CN208997015U - A kind of new type of sand prevention oil-submersible centrifugal pump - Google Patents
A kind of new type of sand prevention oil-submersible centrifugal pump Download PDFInfo
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- CN208997015U CN208997015U CN201821609561.1U CN201821609561U CN208997015U CN 208997015 U CN208997015 U CN 208997015U CN 201821609561 U CN201821609561 U CN 201821609561U CN 208997015 U CN208997015 U CN 208997015U
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- bearing
- shell
- fixing sleeve
- pump shaft
- head
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Abstract
The utility model discloses a kind of new type of sand prevention oil-submersible centrifugal pumps, including shell, one end of the shell is fixedly connected with head, the shell is fixedly connected with pedestal far from the one end on head, pump shaft is rotatably connected in the shell, the pump shaft extends through the both ends of shell and extends respectively into head and pedestal, the pump shaft is located at the intracorporal one end fixing sleeve of shell and is connected to multiple short impellers, one end rotation of the pump shaft close to head is socketed with first bearing, one end fixing sleeve that the pump shaft is located in first bearing is connected to first bearing inner ring, fixing sleeve is connected to first bearing outer ring on the outer wall of the first bearing inner ring, the pump shaft is socketed with second bearing close to the rotation of one end of pedestal, one end fixing sleeve that the pump shaft is located in second bearing is connected to second bearing inner ring.The utility model passes through the setting of many places sealing mechanism, improves the sealing effect of device, so as to effectively prevent sandstone to enter in oil-immersed pump, guarantees the stable operation of oil-immersed pump.
Description
Technical field
The utility model relates to technical field of petroleum machinery more particularly to a kind of new type of sand prevention oil-submersible centrifugal pumps.
Background technique
The production of our domestic oil-immersed pumps has the history of more than ten years, and more piece pump concatenation is needed in the oil-immersed pump course of work
It uses, also to install inducer additional in its lower end during installation or gs-oil separator carrys out the water inlet as oil-immersed pump.
But existing oil-submersible centrifugal pump sealing structure is relatively simple, the sand control capability of oil-immersed pump is poor, is easy to cause sand
Stone enters oil-immersed pump, and oil-immersed pump is caused to damage, and has certain defective.
Utility model content
Purpose of the utility model is to solve oil-submersible centrifugal pump sealing structure in the prior art is relatively simple, oil-immersed pump
Sand control capability it is poor, the problem of being easy to cause sandstone to enter oil-immersed pump, and oil-immersed pump caused to damage, and propose one kind
New type of sand prevention oil-submersible centrifugal pump.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of new type of sand prevention oil-submersible centrifugal pump, including shell, one end of the shell are fixedly connected with head, the shell
One end far from head is fixedly connected with pedestal, pump shaft is rotatably connected in the shell, the pump shaft extends through shell
Both ends simultaneously extend into head and pedestal respectively, and the pump shaft is located at the intracorporal one end fixing sleeve of shell and is connected to multiple short impellers, institute
It states one end rotation of the pump shaft close to head and is socketed with first bearing, one end fixing sleeve that the pump shaft is located in first bearing is connected to
First bearing inner ring, fixing sleeve is connected to first bearing outer ring on the outer wall of the first bearing inner ring, and the pump shaft is close to pedestal
One end rotation be socketed with second bearing, one end fixing sleeve that the pump shaft is located in second bearing is connected to second bearing inner ring,
Fixing sleeve is connected to second bearing outer ring, inner wall of the shell close to one end of short impeller on the outer wall of the second bearing inner ring
On be fixedly connected and be connected to 3rd bearing and lead shell, the 3rd bearing, which is led, is fixedly connected with 3rd bearing in shell.
Preferably, the equal fixing sleeve in the one end of the first bearing outer ring and second bearing outer ring far from short impeller is connected to gear
Ring.
Preferably, the first bearing outer ring and second bearing outer ring are connected to O-shaped close to the equal fixing sleeve in one end of short impeller
Circle.
Preferably, the head is equipped with fixing port far from one end of shell.
Preferably, the pedestal is fixedly connected with latch segment far from one end of shell, and the latch segment is equipped with keeper.
Preferably, the 3rd bearing leads fixing sleeve in shell and is connected to 3rd bearing inner ring, the 3rd bearing inner ring it is outer
Fixing sleeve is connected to 3rd bearing outer ring on wall.
In the utility model, the setting of baffle ring and O-ring enhances the sealing effect of device, while first bearing inner ring
With the setting of second bearing outer ring, it can prevent sandstone from entering in oil-immersed pump from head, outside second bearing inner ring and second bearing
The setting of circle can then prevent sandstone from entering in oil-immersed pump from pedestal, while 3rd bearing inner ring and 3rd bearing outer ring are set
It sets, the sealing effect of device, while the setting of latch segment also can be enhanced, can be convenient and oil-immersed pump is fixed.This is practical
The novel setting by many places sealing mechanism, improves the sealing effect of device, so as to effectively prevent sandstone to enter latent oil
In pump, guarantee the stable operation of oil-immersed pump.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of new type of sand prevention oil-submersible centrifugal pump structural schematic diagram；
Fig. 2 is structural schematic diagram at the A of Fig. 1.
In figure: 1 head, 2 baffle rings, 3 O-rings, 4 first bearing inner rings, 5 first bearing outer rings, 6 pump shafts, 7 shells, 8
Three bearings lead shell, 9 3rd bearing inner rings, 10 3rd bearing outer rings, 11 short impellers, 12 pedestals, 13 first bearings, 14 second axis
It holds, 15 second bearing inner rings, 16 second bearing outer rings, 17 latch segments, 18 3rd bearings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, a kind of new type of sand prevention oil-submersible centrifugal pump, including shell 7, one end of shell 7 are fixedly connected with head
1, shell 7 is fixedly connected with pedestal 12 far from the one end on head 1, pump shaft 6 is rotatably connected in shell 7, for driving short impeller
11 rotations, pump shaft 6 extend through the both ends of shell 7 and extend respectively into head 1 and pedestal 12, and pump shaft 6 is located in shell 7
One end fixing sleeve is connected to multiple short impellers 11, and for generating centrifugal force, one end rotation of the pump shaft 6 close to head 1 is socketed with first
Bearing 13, is used to support pump shaft 6, and one end fixing sleeve that pump shaft 6 is located in first bearing 13 is connected to first bearing inner ring 4, is used for
The leakproofness of enhancement device, fixing sleeve is connected to first bearing outer ring 5 on the outer wall of first bearing inner ring 4, for enhancement device
Sealing effect, pump shaft 6 are socketed with second bearing 14 close to the rotation of one end of pedestal 12, are used to support pump shaft 6, and pump shaft 6 is located at the
One end fixing sleeve in two bearings 14 is connected to second bearing inner ring 15, for the sealing effect of enhancement device, second bearing inner ring
Fixing sleeve is connected to second bearing outer ring 16 on 15 outer wall, and for the sealing effect of enhancement device, shell 7 is close to short impeller 11
It is fixedly connected on the inner wall of one end and is connected to 3rd bearing and leads shell 8, be used to support 3rd bearing 18,3rd bearing is led fixed in shell 8
It is connected with 3rd bearing 18.
In the utility model, the equal fixing sleeve in one end of first bearing outer ring 5 and second bearing outer ring 16 far from short impeller 11
It is connected to baffle ring 2, prevents sandstone from entering in oil-immersed pump, first bearing outer ring 5 and second bearing outer ring 16 are close to the one of short impeller 11
Equal fixing sleeve is held to be connected to O-ring 3, the leakproofness of enhancement device, head 1 is equipped with fixing port far from one end of shell 7, and pedestal 12 is remote
One end of shrinking away from theshell body 7 is fixedly connected with latch segment 17, facilitates fixed device, and latch segment 17 is equipped with keeper, and 3rd bearing is led
Fixing sleeve is connected to 3rd bearing inner ring 9 in shell 8, and fixing sleeve is connected to 3rd bearing outer ring 10 on the outer wall of 3rd bearing inner ring 9, increases
The sealing effect of strong oil-immersed pump.
In the utility model, the setting of baffle ring 2 and O-ring 3 enhances the sealing effect of device, while in first bearing
The setting of circle 4 and second bearing outer ring 5 can prevent sandstone from entering in oil-immersed pump from head 1, second bearing inner ring 15 and second
The setting of bearing outer ring 16 can then prevent sandstone from entering in oil-immersed pump from pedestal 12, while 3rd bearing inner ring 9 and third axis
The sealing effect of device, while the setting of latch segment 17 also can be enhanced in the setting of bearing outer-ring 10, can be convenient to oil-immersed pump into
Row is fixed.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of new type of sand prevention oil-submersible centrifugal pump, including shell (7), which is characterized in that one end of the shell (7) is fixedly connected
Have head (1), the shell (7) is fixedly connected with pedestal (12) far from the one end of head (1), and rotation connects in the shell (7)
It being connected to pump shaft (6), the pump shaft (6) extends through the both ends of shell (7) and extends respectively into head (1) and pedestal (12),
The pump shaft (6) is located at one end fixing sleeve in shell (7) and is connected to multiple short impellers (11), and the pump shaft (6) is close to head (1)
One end rotation be socketed with first bearing (13), the pump shaft (6) is located at one end fixing sleeve in first bearing (13) and is connected to the
One bearing inner race (4), fixing sleeve is connected to first bearing outer ring (5), the pump shaft on the outer wall of the first bearing inner ring (4)
(6) one end rotation close to pedestal (12) is socketed with second bearing (14), and the pump shaft (6) is located at one in second bearing (14)
End fixing sleeve is connected to second bearing inner ring (15), and fixing sleeve is connected to outside second bearing on the outer wall of the second bearing inner ring (15)
It encloses (16), the shell (7) is fixedly connected with 3rd bearing on the inner wall of the one end of short impeller (11) and leads shell (8), described
3rd bearing is led in shell (8) and is fixedly connected with 3rd bearing (18).
2. a kind of new type of sand prevention oil-submersible centrifugal pump according to claim 1, which is characterized in that the first bearing outer ring
(5) and the equal fixing sleeve in one end of second bearing outer ring (16) separate short impeller (11) is connected to baffle ring (2).
3. a kind of new type of sand prevention oil-submersible centrifugal pump according to claim 1, which is characterized in that the first bearing outer ring
(5) and the equal fixing sleeve in one end of second bearing outer ring (16) close to short impeller (11) is connected to O-ring (3).
4. a kind of new type of sand prevention oil-submersible centrifugal pump according to claim 1, which is characterized in that the head (1) is far from shell
One end of body (7) is equipped with fixing port.
5. a kind of new type of sand prevention oil-submersible centrifugal pump according to claim 1, which is characterized in that the pedestal (12) is far from shell
One end of body (7) is fixedly connected with latch segment (17), and the latch segment (17) is equipped with keeper.
6. a kind of new type of sand prevention oil-submersible centrifugal pump according to claim 1, which is characterized in that the 3rd bearing leads shell
(8) interior fixing sleeve is connected to 3rd bearing inner ring (9), and fixing sleeve is connected to 3rd bearing on the outer wall of the 3rd bearing inner ring (9)
Outer ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609561.1U CN208997015U (en) | 2018-09-27 | 2018-09-27 | A kind of new type of sand prevention oil-submersible centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609561.1U CN208997015U (en) | 2018-09-27 | 2018-09-27 | A kind of new type of sand prevention oil-submersible centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208997015U true CN208997015U (en) | 2019-06-18 |
Family
ID=66802187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821609561.1U Active CN208997015U (en) | 2018-09-27 | 2018-09-27 | A kind of new type of sand prevention oil-submersible centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208997015U (en) |
-
2018
- 2018-09-27 CN CN201821609561.1U patent/CN208997015U/en active Active
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