CN213206003U - Axial force bearing device of submersible electric pump for well - Google Patents
Axial force bearing device of submersible electric pump for well Download PDFInfo
- Publication number
- CN213206003U CN213206003U CN202021867077.6U CN202021867077U CN213206003U CN 213206003 U CN213206003 U CN 213206003U CN 202021867077 U CN202021867077 U CN 202021867077U CN 213206003 U CN213206003 U CN 213206003U
- Authority
- CN
- China
- Prior art keywords
- connecting seat
- bearing
- axial force
- seat
- shaft
- 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 an axial force bearing device of a well submersible electric pump, which comprises an upper connecting seat and a lower connecting seat which are fixedly connected together through bolts, and a connecting shaft arranged in the upper connecting seat and the lower connecting seat; an upper bearing seat is fixedly arranged in an inner cavity of the upper connecting seat, the lower end face of the upper bearing seat is positioned above the lower end face of the upper connecting seat, and the middle upper part of the connecting shaft is arranged in the upper bearing seat through a sliding guide bearing; a first thrust bearing is installed on the upper end face of the lower connecting seat, and a thrust disc is fixedly installed on the portion, located above the first thrust bearing, of the connecting shaft. The utility model discloses can effectively bear the axial force that the well submersible pump operation produced, reduce the axial force that the submersible motor shaft received, improve the life of well submersible motor.
Description
Technical Field
The utility model relates to a well is with submerged motor pump field, concretely relates to well is with submerged motor pump axial force bears device.
Background
The well submersible electric pump is a common water pumping device and is widely applied to agricultural production and daily life. The submersible electric pump for the well mainly comprises two parts, wherein the upper part is a submersible pump for the well, the lower part is a submersible motor, and a pump shaft of the submersible pump for the well is connected with a motor shaft of the submersible motor in a key connection mode. The submersible pump for the well can generate downward axial force by an impeller in the operation process, the axial force acts on a pump shaft and is transmitted to a motor shaft through a key connection, a motor bearing of the submersible motor for the well is caused to bear the downward axial force, and the problem that the motor shaft bears the axial force is solved by arranging a thrust bearing at the bottom of the submersible motor for the well at present. However, as the head of the well submersible electric pump increases, the axial force generated by the rotation of the impeller increases, and the axial force borne by the motor shaft of the submersible electric pump increases accordingly. Therefore, for some high-lift submersible electric pumps for wells, the service life of the submersible electric motor for wells is seriously influenced because the motor shaft is damaged by a thrust bearing due to large axial force.
In order to solve the problem that the submerged motor pump axial force is too high for the large-lift well, submerged motor life is short, the utility model discloses a device is born to submerged motor pump axial force for well.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome prior art not enough and provide a well submersible pump axial force and bear device, can effectively bear the axial force that well submersible pump operation produced, reduce the axial force that the submersible motor shaft received, improved well submersible motor's life.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a well submersible electric pump axial force bearing device comprises an upper connecting seat and a lower connecting seat which are fixedly connected together through bolts, and a connecting shaft arranged in the upper connecting seat and the lower connecting seat; an upper bearing seat is fixedly arranged in an inner cavity of the upper connecting seat, the lower end face of the upper bearing seat is positioned above the lower end face of the upper connecting seat, and the middle upper part of the connecting shaft is arranged in the upper bearing seat through a sliding guide bearing; a first thrust bearing is installed on the upper end face of the lower connecting seat, and a thrust disc is fixedly installed on the portion, located above the first thrust bearing, of the connecting shaft.
Further, a shaft sleeve is further installed between the middle upper portion of the connecting shaft and the sliding guide bearing.
Furthermore, a second thrust bearing is arranged on the lower end face of the upper bearing seat.
Furthermore, the upper end of the connecting shaft is fixedly connected with an upper coupler, the lower end of the connecting shaft is fixedly connected with a lower coupler, and the upper coupler is a reducing coupler.
Further, the upper connecting seat and the lower connecting seat are fixedly connected together through a plurality of bolts arranged on the outer sides of the upper connecting seat and the lower connecting seat.
Furthermore, a snap ring is fixedly arranged on the connecting shaft and close to the lower end face of the thrust disc.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
when well submerged motor pump operates, the axial force that the immersible pump impeller produced passes through the pump shaft and transmits the connecting axle among this load-bearing device, and on the connecting axle transmitted this axial force to connecting seat down through first footstep bearing, effectively avoided the axial force to transmit the footstep bearing of submerged motor bottom through submerged motor shaft on, improved submerged motor bottom footstep bearing's life, especially to the great high-lift submerged motor pump of axial force, can effectively improve submerged motor's life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1. go up connecting seat, 2, lower connecting seat, 3, connecting axle, 4, first footstep bearing, 5, slip guide bearing, 6, lower shaft coupling, 7, upper shaft coupling, 8, bolt, 9, bolster bearing housing, 10, axle sleeve, 11, thrust disc, 12, second footstep bearing, 13, snap ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model discloses a well submerged motor pump axial force bears device, include through bolt 8 fixed connection together last connecting seat 1 and lower connecting seat 2, install the connecting axle 3 in last connecting seat 1 and lower connecting seat 2. The upper and lower connector holders 1 and 2 are fixedly coupled together by a plurality of bolts 8 provided at the outer sides thereof. An upper bearing seat 9 is fixedly arranged in the inner cavity of the upper connecting seat 1, and the upper bearing seat 9 and the upper connecting seat 1 are of an integrated structure. The lower end face of the upper bearing seat 9 is positioned above the lower end face of the upper connecting seat 1, namely the upper bearing seat 9 is completely positioned in the upper connecting seat 1, and the lower part of the inner cavity of the upper connecting seat 1 is provided with a mounting position of a first thrust bearing 4; the middle upper part of the connecting shaft 3 is mounted in an upper bearing seat 9 through a sliding guide bearing 5, and a shaft sleeve 10 is further mounted between the connecting shaft 3 and the sliding guide bearing 5. A second thrust bearing 12 is arranged on the lower end face of the upper bearing seat 9, a first thrust bearing 4 is arranged on the upper end face of the lower connecting seat 2, and a thrust disc 11 is fixedly arranged on the connecting shaft 3 above the first thrust bearing 4, namely the thrust disc 11 is arranged between the upper thrust bearing 12 and the lower thrust bearing 4. An annular groove is formed in the position, close to the lower end face of the thrust disc 11, of the connecting shaft 3, and a clamping ring 13 is fixedly arranged in the groove to prevent the thrust disc 11 from falling off.
The upper end of the connecting shaft 3 is fixedly connected with an upper coupler 7, the lower end of the connecting shaft 3 is fixedly connected with a lower coupler 6, and the upper coupler 7 is a reducing coupler.
When the submersible pump is used, the upper connecting seat 1 is connected with the lower part of a submersible pump in the submersible pump for a well through a bolt, and the lower connecting seat 2 is connected with the upper part of the submersible motor in the submersible pump for the well through a bolt; the upper coupler 7 is connected with a submersible pump shaft in the submersible pump for the well, and the lower coupler 6 is connected with a submersible motor shaft in the submersible pump for the well; when well submerged motor pump operates, the axial force that the immersible pump impeller produced passes through the pump shaft and transmits connecting axle 3 among this load-bearing device, connecting axle 3 passes through first footstep bearing 4 and transmits this axial force down on connecting seat 2, effectively avoided the axial force to transmit the footstep bearing of submerged motor bottom through submerged motor axle on, improved submerged motor bottom footstep bearing's life, especially to the great high-lift submerged motor pump of axial force, can effectively improve submerged motor's life.
It is obvious that the above embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a well submerged motor pump axial force bears device which characterized in that: comprises an upper connecting seat (1) and a lower connecting seat (2) which are fixedly connected together through a bolt (8), and a connecting shaft (3) arranged in the upper connecting seat (1) and the lower connecting seat (2); an upper bearing seat (9) is fixedly arranged in an inner cavity of the upper connecting seat (1), the lower end face of the upper bearing seat (9) is positioned above the lower end face of the upper connecting seat (1), and the middle upper part of the connecting shaft (3) is installed in the upper bearing seat (9) through a sliding guide bearing (5); a first thrust bearing (4) is installed on the upper end face of the lower connecting seat (2), and a thrust disc (11) is fixedly installed on the portion, located above the first thrust bearing (4), of the connecting shaft (3).
2. The submersible electric pump axial force bearing device for wells according to claim 1, wherein: and a shaft sleeve (10) is further arranged between the middle upper part of the connecting shaft (3) and the sliding guide bearing (5).
3. The submersible electric pump axial force bearing device for wells according to claim 1, wherein: and a second thrust bearing (12) is arranged on the lower end surface of the upper bearing seat (9).
4. The submersible electric pump axial force bearing device for wells according to claim 1, wherein: the upper end of the connecting shaft (3) is fixedly connected with an upper coupler (7), the lower end of the connecting shaft (3) is fixedly connected with a lower coupler (6), and the upper coupler (7) is a reducing coupler.
5. The submersible electric pump axial force bearing device for wells according to claim 1, wherein: the upper connecting seat (1) and the lower connecting seat (2) are fixedly connected together through a plurality of bolts (8) arranged on the outer sides of the upper connecting seat and the lower connecting seat.
6. The submersible electric pump axial force bearing device for wells according to claim 1, wherein: and a snap ring (13) is fixedly arranged on the connecting shaft (3) and close to the lower end face of the thrust disc (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021867077.6U CN213206003U (en) | 2020-09-01 | 2020-09-01 | Axial force bearing device of submersible electric pump for well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021867077.6U CN213206003U (en) | 2020-09-01 | 2020-09-01 | Axial force bearing device of submersible electric pump for well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213206003U true CN213206003U (en) | 2021-05-14 |
Family
ID=75842779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021867077.6U Active CN213206003U (en) | 2020-09-01 | 2020-09-01 | Axial force bearing device of submersible electric pump for well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213206003U (en) |
-
2020
- 2020-09-01 CN CN202021867077.6U patent/CN213206003U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2308745Y (en) | Vertical slurry pump | |
| CN213206003U (en) | Axial force bearing device of submersible electric pump for well | |
| CN201450389U (en) | High-power general type submersible motor for well | |
| CN220816051U (en) | Connector for amphibious pump | |
| CN216447122U (en) | Shaft end supporting and positioning structure of centrifugal pump | |
| CN221220919U (en) | Front end cover for centrifugal pump | |
| CN2886151Y (en) | Direct-coupled vertical sewage pump | |
| CN208982233U (en) | Oil pump electrical machinery group | |
| CN220705900U (en) | Diaphragm pump structure with long service life | |
| CN213176169U (en) | Water pump impeller locking structure | |
| CN212454931U (en) | Main shaft supporting structure of sealless self-priming pump | |
| CN216950961U (en) | Heavy-load type submersible axial-flow pump double-support impeller structure | |
| CN220667889U (en) | Integrated main shaft connection structure in centrifugal pump motor | |
| CN217950706U (en) | Multistage high-pressure submerged long-shaft pump | |
| CN214304377U (en) | Bearing support pipeline pump | |
| CN217002734U (en) | Gap bridge device for tractor | |
| CN2308734Y (en) | High efficiency hydraulic geared pump | |
| CN114165461B (en) | Multifunctional environment-friendly circulating large-sized water pump | |
| CN201934359U (en) | Novel bearing configuration for submerged sewage pump | |
| CN220711249U (en) | Motor for submersible pump | |
| CN220850045U (en) | Novel high-rotation-speed deep well pump | |
| CN219654941U (en) | High-efficiency energy-saving large vertical circulating water pump | |
| CN211449050U (en) | Vertical multi-stage centrifugal pump | |
| CN210661076U (en) | Main shaft system of wind generating set | |
| CN212479617U (en) | High-efficient self priming pump of type of being convenient for maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |