CN219779901U - Sand prevention cover of submersible motor - Google Patents
Sand prevention cover of submersible motor Download PDFInfo
- Publication number
- CN219779901U CN219779901U CN202320734144.4U CN202320734144U CN219779901U CN 219779901 U CN219779901 U CN 219779901U CN 202320734144 U CN202320734144 U CN 202320734144U CN 219779901 U CN219779901 U CN 219779901U
- Authority
- CN
- China
- Prior art keywords
- cover body
- end cover
- motor shaft
- sand control
- submersible motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004576 sand Substances 0.000 title claims abstract description 21
- 230000002265 prevention Effects 0.000 title abstract description 9
- 239000013535 sea water Substances 0.000 claims abstract description 15
- 230000003068 static effect Effects 0.000 claims abstract description 12
- 239000013049 sediment Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a sand prevention cover of a submersible motor. Comprising the following steps: the motor shaft is sleeved on the motor shaft, and the motor shaft is detachably connected with the motor shaft; a pair of circulation holes are formed in the middle of the end cover body; gaps for seawater to enter are respectively arranged between the inner wall of the end cover body and the periphery of the static ring seat interface and between the rear end surface of the end cover body and the end surface of the static ring seat. The beneficial effects of the utility model are as follows: the novel end cover comprises an end cover body, wherein a gap for seawater to enter is formed between the inner periphery of the rear part of the end cover body and the outer periphery of an interface of a static ring seat, and a pair of circulating holes are formed in the end cover body to form a seawater circulating channel for preventing sediment from remaining in the end cover body. It is provided with a plurality of annular grooves which are capable of storing silt which has entered and deposited in the body of the end cap.
Description
Technical Field
The utility model relates to the technical field of petrochemical industry, in particular to a sand prevention cover of a submersible motor.
Background
The submerged motor is used as important equipment of an offshore oil platform, and the optimization of the structure of the submerged motor has important significance for improving the stability and reliability of products and ensuring the reliable and stable operation of relevant seawater consumption equipment of the platform. The sand prevention cover is used as an auxiliary sealing part of the submerged motor, and plays an important role in the sealing effect and the service life of the mechanical seal. The structure of the sand control cover is optimized, so that the sealing effect and the service life of the mechanical seal can be improved, and motor faults caused by the damage or failure of the mechanical seal, such as accelerated abrasion of a thrust disc, corrosion of a silicon steel sheet and the like, are reduced.
Therefore, the service life of the submerged motor can be effectively prolonged by optimizing the structure of the sand prevention cover, and the effect of lowering the bottom cost is achieved.
Disclosure of Invention
The utility model aims to provide a sand prevention cover of a submersible motor, which is characterized in that gaps for seawater to enter are respectively arranged between the inner periphery of the rear part of an end cover body and the outer periphery of a static ring seat interface and between the rear end surface of the end cover body and the end surface of the static ring seat, and a pair of circulating holes are arranged on the end cover body and can form a seawater circulating channel.
The utility model aims to provide a sand prevention cover of a submersible motor, which is provided with a plurality of annular grooves, wherein the annular grooves can store sediment entering and accumulating in an end cover body.
In order to achieve the above purpose, the present utility model adopts the following technical scheme that: the motor shaft is sleeved on the motor shaft, and the motor shaft is detachably connected with the motor shaft; a pair of circulation holes are formed in the middle of the end cover body; gaps for seawater to enter are respectively arranged between the inner wall of the end cover body and the periphery of the static ring seat interface and between the rear end surface of the end cover body and the end surface of the static ring seat.
Preferably, the hole axis of the circulating hole forms an included angle of 90 degrees with the axial direction of the end cover body.
Preferably, the hole axis of the circulating hole forms an included angle of 30-45 degrees with the radial direction of the end cover body.
Preferably, the hole axis of the circulating hole forms an included angle of 40 degrees with the radial direction of the end cover body.
Preferably, a connecting part extending forwards is arranged on the front end face of the end cover body, the inner periphery of the connecting part is matched with the outer periphery of the motor shaft, and a plurality of mounting holes are uniformly distributed on the connecting part along the circumference and used for detachably connecting the end cover body with the motor shaft through bolts.
Preferably, a plurality of annular grooves are arranged in parallel on the inner wall of the tail end of the end cover body.
Preferably, the plurality of annular grooves is 2.
Preferably, the groove width of the plurality of annular grooves gradually increases from outside to inside.
The beneficial effects of the utility model are as follows: the novel end cover comprises an end cover body, wherein a gap for seawater to enter is formed between the inner periphery of the rear part of the end cover body and the outer periphery of an interface of a static ring seat, and a pair of circulating holes are formed in the end cover body to form a seawater circulating channel for preventing sediment from remaining in the end cover body. It is provided with a plurality of annular grooves which are capable of storing silt which has entered and deposited in the body of the end cap.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a sand control cover for a submersible motor of the utility model.
Fig. 2 is a cross-sectional view at the circulation hole.
FIG. 3 is a schematic view of the installation of a sand control cover of a submersible pump with a stationary ring seat and a motor shaft.
Fig. 4 is an enlarged view at a in fig. 3.
Detailed Description
The utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the same and to refer to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or other elements or groups thereof.
As shown in fig. 1-4, in order to achieve the above object, the present utility model adopts the following technical solutions, including: the motor comprises an end cover body 100, wherein a through hole 110 for allowing a motor shaft 3 to pass through is formed in the center of the end cover body 100, and the end cover body 100 is used for being sleeved on a motor shaft 2 and detachably connected with the motor shaft 3; a pair of circulation holes 120 are provided in the middle of the end cap body 100; a gap 151 and a gap 152 for seawater to enter are respectively arranged between the inner wall of the end cover body 100 and the periphery of the interface 210 of the static ring seat 2 and between the rear end surface of the end cover body 100 and the end surface 220 of the static ring seat 2. Preferably, a plurality of annular grooves 140 are provided in parallel on the inner wall of the end of the cap body 100. As a further preferred aspect, the hole axis of the circulation hole 120 forms an angle of 90 degrees with the axial direction of the end cover body 100; the hole axis of the circulation hole 120 forms an included angle of 30-45 degrees with the radial direction of the end cover body 100.
In the use, because of the existence of clearance 151, clearance 152 and circulation hole 120 for form unsealed cavity between sand control lid 1 and quiet ring seat 2 and outside mechanical seal 4, in the motor operation, circulation hole 120 can form the sea water circulation passageway with clearance 151, clearance 152, better with the sea water in the unsealed cavity discharge, carry out more effective cooling to outside mechanical seal 4, simultaneously, can effectively prevent the silt deposit entering.
In another embodiment, the hole axis of the circulation hole 120 makes a 90 degree angle with the axial direction of the end cap body 100.
In another embodiment, the hole axis of the circulation hole 120 forms an angle of 30-45 degrees with the radial direction of the end cap body 100.
In another embodiment, the axis of the circulation hole 120 is at an angle of 40 degrees to the radial direction of the end cap body 100.
In another embodiment, a connecting portion 130 extending forward is provided on the front end surface of the end cover body 100, the inner circumference of the connecting portion 130 is adapted to the outer circumference of the motor shaft, and a plurality of mounting holes 131 are uniformly distributed on the connecting portion 130 along the circumference for detachably connecting the end cover body with the motor shaft through bolts.
In another embodiment, a plurality of annular grooves 140 are provided in parallel on the inner wall of the end cap body 100.
In another embodiment, the plurality of annular grooves 140 is 2.
In another embodiment, the groove width of the plurality of annular grooves 140 gradually increases from outside to inside.
In summary, according to the sand prevention cover 1 for a submersible motor of the present utility model, gaps for seawater to enter are respectively provided between the inner periphery of the rear portion of the cover body and the outer periphery of the stationary ring seat interface, and between the rear end face of the cover body and the stationary ring seat end face, and a pair of circulation holes are provided on the cover body, so that a seawater circulation passage can be formed. It is provided with a plurality of annular grooves which are capable of storing silt which has entered and deposited in the body of the end cap.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (8)
1. A sand control cover for a submersible motor, comprising: the motor shaft is sleeved on the motor shaft, and the motor shaft is detachably connected with the motor shaft; a pair of circulation holes are formed in the middle of the end cover body; gaps for seawater to enter are respectively arranged between the inner wall of the end cover body and the periphery of the static ring seat interface and between the rear end surface of the end cover body and the end surface of the static ring seat.
2. The submersible motor sand control cover of claim 1 wherein: the hole axis of the circulating hole forms an included angle of 90 degrees with the axial direction of the end cover body.
3. The submersible motor sand control cover of claim 2 wherein: the hole axis of the circulating hole forms an included angle of 30-45 degrees with the radial direction of the end cover body.
4. A submersible motor sand control cover as set forth in claim 3 wherein: the hole axis of the circulating hole forms an included angle of 40 degrees with the radial direction of the end cover body.
5. The submersible motor sand control cover of claim 1 or 2, wherein: the front end face of the end cover body is provided with a connecting portion extending forwards, the inner periphery of the connecting portion is matched with the outer periphery of the motor shaft, and a plurality of mounting holes are uniformly distributed on the connecting portion along the circumference and used for detachably connecting the end cover body with the motor shaft through bolts.
6. The submersible motor sand control cover of claim 1 or 2, wherein: and a plurality of annular grooves are arranged on the inner wall of the tail end of the end cover body in parallel.
7. The submersible motor sand control cover of claim 6 wherein: the number of the annular grooves is 2.
8. The submersible motor sand control cover of claim 6 wherein: the groove width of the plurality of annular grooves gradually increases from outside to inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320734144.4U CN219779901U (en) | 2023-04-06 | 2023-04-06 | Sand prevention cover of submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320734144.4U CN219779901U (en) | 2023-04-06 | 2023-04-06 | Sand prevention cover of submersible motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219779901U true CN219779901U (en) | 2023-09-29 |
Family
ID=88137402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320734144.4U Active CN219779901U (en) | 2023-04-06 | 2023-04-06 | Sand prevention cover of submersible motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219779901U (en) |
-
2023
- 2023-04-06 CN CN202320734144.4U patent/CN219779901U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |