CN210830148U - Thrust bearing for submersible electric pump and submersible electric pump - Google Patents
Thrust bearing for submersible electric pump and submersible electric pump Download PDFInfo
- Publication number
- CN210830148U CN210830148U CN201921730524.0U CN201921730524U CN210830148U CN 210830148 U CN210830148 U CN 210830148U CN 201921730524 U CN201921730524 U CN 201921730524U CN 210830148 U CN210830148 U CN 210830148U
- Authority
- CN
- China
- Prior art keywords
- thrust bearing
- electric pump
- conical surface
- submersible electric
- surface structure
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a thrust bearing for a submersible electric pump and a submersible electric pump in the related technical field of water pumps, wherein, the thrust bearing comprises a retainer, a roller, a shaft ring and a seat ring; the retainer is of a conical surface structure, and the conical surface structure comprises a plurality of fan-shaped structures which are mutually connected; a first screw mounting hole is formed in the shaft ring; a second screw mounting hole is formed in the seat ring; the surfaces of the shaft ring and the seat ring opposite to the retainer are matched with the conical surface structure; because the conical surface structure has a furling function, the shaft ring and the seat ring cannot generate transverse deviation, so that all rollers in the thrust bearing can be uniformly stressed, and the influence on the service life due to overlarge local pressure intensity is avoided; the conical surface structure comprises a plurality of fan-shaped structures which are mutually connected, when the submersible electric pump is used for deep water operation and the thrust bearing bears larger water pressure, the retainer which is relatively fragile compared with the seat ring and the shaft ring can be properly dispersed and continuously and normally operates, and the adaptability of the submersible electric pump to the operation environment is improved.
Description
Technical Field
The utility model relates to a relevant technical field of water pump, in particular to footstep bearing and submerged motor pump for submerged motor pump.
Background
The submersible pump is generally operated under water, and therefore, the motor of the submersible pump needs to be operated at a high speed under a certain water pressure. Prior art submersible electric pumps are typically vertical electric pumps, the weight of the motor and pump being borne entirely by thrust bearings. Due to the actual conditions such as manufacturing errors and assembly errors, the center of gravity and the axis of the submersible electric pump are difficult to completely overlap. This makes it difficult for the axial ring and the raceway of the thrust bearing to contact all over the surface when the motor is rotating. The too small contact area can cause too large pressure intensity locally, and under the condition of high-speed rotation, the temperature of the contact surface is too high, so that the abrasion of the thrust bearing is accelerated, and the service life of the whole submersible electric pump is further shortened.
SUMMERY OF THE UTILITY MODEL
The technical problem to the difficult comprehensive contact of the race and the ring of footstep bearing that prior art exists, the utility model provides a footstep bearing and submerged motor pump for submerged motor pump.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a thrust bearing for a submersible electric pump comprises a retainer, rollers, a shaft ring and a seat ring; the retainer is of a conical surface structure, and the conical surface structure comprises a plurality of mutually connected fan-shaped structures; a first screw mounting hole is formed in the shaft ring; a second screw mounting hole is formed in the seat ring; the surfaces of the shaft ring and the seat ring opposite to the retainer are matched with the conical surface structure.
Preferably, the number of the fan-shaped structures is 4-8.
Preferably, the number of the fan-shaped structures is 6.
On the basis of the above situations, the connection structure between the fan-shaped structures is an elastic structure.
Preferably, the first screw mounting hole is provided in a plurality.
Preferably, the number of the second screw mounting holes is several.
A submersible electric pump comprising a stationary part, a rotary part and a thrust bearing for a submersible electric pump as described in any of the preceding claims; the shaft ring is connected with the rotating component at the first screw mounting hole through a first screw; the seat ring is connected with the fixing part at the second screw mounting hole through a second screw.
The utility model has the advantages of as follows:
1. because the retainer is in a conical surface structure, and the opposite surfaces of the shaft ring and the seat ring and the retainer are matched with the conical surface structure, when the water pressure at the top is transmitted to the thrust bearing through the corresponding structure of the submersible electric pump, the shaft ring and the seat ring cannot generate transverse deviation due to the furling effect of the conical surface structure, so that all rollers in the thrust bearing can be uniformly stressed, and the influence on the service life due to overlarge local pressure is avoided;
2. the conical surface structure comprises a plurality of fan-shaped structures which are mutually connected, when the submersible electric pump is used for deep water operation and the thrust bearing bears larger water pressure, the retainer which is relatively fragile compared with the seat ring and the shaft ring can be properly dispersed and continuously and normally operates, and the adaptability of the submersible electric pump to the operation environment is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a thrust bearing for a submersible electric pump according to the present invention;
FIG. 2 is a schematic structural view of the cage;
fig. 3 is the structure schematic diagram of the submersible pump of the utility model.
In the figure, 1-cage; 11-a fan-shaped structure; 12-a linking structure; 2-a roller; 3-a shaft ring; 31-first screw mounting holes; 32-a first screw; 33-a rotating member; 4-a seat ring; 41-second screw mounting holes; 42-a second screw; 43-fixing means.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It should be noted that in the description of the present invention, the terms "upper" and "lower" are used for the purpose of describing the structure of the present invention based on the illustration of fig. 1, and are only used for the convenience of describing the present invention, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.
In addition, unless expressly stated or limited otherwise, the terms "mounted" and "connected" are to be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two structures can be directly connected or indirectly connected through an intermediate medium, and the two structures can be communicated with each other. To those skilled in the art, the specific meanings of the above terms in the present invention can be understood in relation to the present scheme in specific terms according to the general idea of the present invention.
As shown in fig. 1, a thrust bearing for an electric submersible pump comprises a cage 1, rollers 2, an axial ring 3 and a seat ring 4; the retainer 1 is a conical surface structure, the conical surface can be a bell mouth shape like a downward opening as shown in fig. 1, and can also be a bell mouth shape like an upward opening, the conical surface structure comprises a plurality of fan-shaped structures 11 which are connected with each other, needless to say, each fan-shaped structure 11 is provided with at least one through hole for installing the roller 2, and the through holes are uniformly distributed on the conical surface structure when all the fan-shaped structures 11 form the conical surface structure; in specific implementation, 4-8 fan-shaped structures are provided, preferably 6 fan-shaped structures are provided; the shaft ring 3 is provided with a plurality of first screw mounting holes 31, and in specific implementation, in order to fix the shaft ring 3 better, the number of the first screw mounting holes 31 is multiple; the seat ring 4 is provided with a plurality of second screw mounting holes 41, and in specific implementation, in order to better fix the seat ring 4, the number of the second screw mounting holes 41 is multiple; the surfaces of the shaft ring 3 and the seat ring 4 opposite to the retainer 1 are matched with the conical surface structure; taking the shaft ring 3 as an example for explanation, the surfaces of the shaft ring 3 and the retainer 1 which are close to each other, that is, the lower surface of the shaft ring 3 in fig. 1 is also conical, and the included angle between the conical generatrix of the lower surface of the shaft ring 3 and the diameter of the conical bottom surface corresponding to the generatrix is the same as the corresponding included angle of the retainer 1, and the directions are the same, it is not difficult to understand that this structure of the race ring 4 and the shaft ring 3 is similar, and the description is omitted.
Because the retainer 1 is a conical surface structure, and the surfaces of the shaft ring 3 and the seat ring 4 opposite to the retainer 1 are matched with the conical surface structure, when the water pressure at the top is conducted to the thrust bearing through the corresponding structure of the submersible electric pump, the conical surface structure has a furling function, the shaft ring 3 and the seat ring 4 can not generate transverse deviation, so that all rollers 2 in the thrust bearing can be uniformly stressed, and the influence on the service life caused by overlarge local pressure is avoided.
In addition, the conical surface structure comprises a plurality of fan-shaped structures 11 which are mutually connected, when the submersible electric pump is used for deep water operation and the thrust bearing bears higher water pressure, the retainer which is relatively weak compared with the seat ring 4 and the shaft ring 3 can be properly dispersed and can continuously and normally operate, and the adaptability of the submersible electric pump to the operation environment is ensured.
The above is the basic model of the embodiment of the present invention, and in order to improve the technical effect, the following improvements can be made to the basic model of the embodiment, and the following improvements can be combined together without contradiction.
Although the retainer 1 will return to its original shape under the action of the race 4 and the collar 3 after the external high pressure is removed, in order to improve the return capability, in the thrust bearing of the present embodiment, as shown in fig. 2, the connecting structure 12 between two adjacent fan-shaped structures 11 is an elastic structure.
As shown in fig. 3, a submersible electric pump comprises a fixed member 43, a rotary member 33, and a thrust bearing for the submersible electric pump in any of the cases mentioned in the foregoing basic and modified embodiments; the shaft ring 3 is connected with a rotating component 33 at a first screw mounting hole 31 through a first screw 32; the race 4 is connected to the fixing member 43 at the second screw mounting holes 41 by the second screws 42.
Fig. 3 is right the utility model discloses the example has been done to the use of stopping pushing away the bearing in submerged motor pump, and in actual operation, in submerged motor pump, the place that needs to use thrust bearing all can adopt and use with the similar mounting means that fig. 3 shows the utility model discloses stop pushing away the bearing, no longer the repeated description.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the spirit and scope of the invention.
Claims (7)
1. A thrust bearing for a submersible electric pump, characterized by: comprises a retainer, rollers, a shaft ring and a seat ring; the retainer is of a conical surface structure, and the conical surface structure comprises a plurality of mutually connected fan-shaped structures; a first screw mounting hole is formed in the shaft ring; a second screw mounting hole is formed in the seat ring; the surfaces of the shaft ring and the seat ring opposite to the retainer are matched with the conical surface structure.
2. Thrust bearing for an electric submersible pump according to claim 1, characterized in that: 4-8 fan-shaped structures are provided.
3. Thrust bearing for an electric submersible pump according to claim 2, characterized in that: the number of the fan-shaped structures is 6.
4. Thrust bearing for an electric submersible pump according to any one of claims 1 to 3, characterized in that: the connecting structure between the fan-shaped structures is an elastic structure.
5. Thrust bearing for an electric submersible pump according to claim 4, characterized in that: the first screw mounting holes are provided with a plurality of holes.
6. Thrust bearing for an electric submersible pump according to claim 4, characterized in that: the number of the second screw mounting holes is several.
7. A submersible electric pump comprising a fixed part and a rotating part, characterized in that: further comprising a thrust bearing for a submersible electric pump according to any of claims 1 to 6; the shaft ring is connected with the rotating component at the first screw mounting hole through a first screw; the seat ring is connected with the fixing part at the second screw mounting hole through a second screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921730524.0U CN210830148U (en) | 2019-10-15 | 2019-10-15 | Thrust bearing for submersible electric pump and submersible electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921730524.0U CN210830148U (en) | 2019-10-15 | 2019-10-15 | Thrust bearing for submersible electric pump and submersible electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830148U true CN210830148U (en) | 2020-06-23 |
Family
ID=71280810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921730524.0U Active CN210830148U (en) | 2019-10-15 | 2019-10-15 | Thrust bearing for submersible electric pump and submersible electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210830148U (en) |
-
2019
- 2019-10-15 CN CN201921730524.0U patent/CN210830148U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7745967B2 (en) | Cooling fan | |
| US6707199B2 (en) | Brushless direct current fan | |
| US20150139583A1 (en) | Bearing unit for fluid machinery application | |
| WO2018228262A1 (en) | Rotary shaft protection and radial displacement detection structure, magnetic suspension motor and household air conditioner | |
| US20170138395A1 (en) | Ball bearing assembly | |
| US9194433B2 (en) | Cage bearing with oil retaining shield | |
| CN210830148U (en) | Thrust bearing for submersible electric pump and submersible electric pump | |
| US8390161B2 (en) | Electric motor having a rain guard | |
| JP2006200683A (en) | Slide bearing device and pump device | |
| WO2021109629A1 (en) | Oscillation mechanism for fan and fan having same | |
| US20040126040A1 (en) | Fluid dynamic bearing module | |
| CN110594285B (en) | Gas dynamic pressure bearing and high-speed motor | |
| CN104315111A (en) | Gear transmission shaft device | |
| US10428868B2 (en) | Ball bearing assembly | |
| JP2017508928A (en) | System and method for lubricating a plain bearing | |
| CN205371319U (en) | Double thrust is cylindrical roller combination bearing alternately | |
| CN104033493A (en) | Bearing fixing structure | |
| JP2008101668A (en) | Rolling bearing for alternator | |
| CN106369044B (en) | Abnormally-structured rotor bearing | |
| CN206320173U (en) | A kind of abnormally-structured rotor bearing | |
| CN203756745U (en) | Bearing retainer | |
| CN212389649U (en) | Bearing with long service life | |
| CN215170839U (en) | Bearing structure for submersible wet type full tubular pump | |
| CN109812505A (en) | The micro motor bearing of gear oil lubrication | |
| US11674524B2 (en) | Slim fan and oil bearing structure of fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |