CN105275861A - Thrust bearing mechanism of submersible motor - Google Patents
Thrust bearing mechanism of submersible motor Download PDFInfo
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- CN105275861A CN105275861A CN201410320911.2A CN201410320911A CN105275861A CN 105275861 A CN105275861 A CN 105275861A CN 201410320911 A CN201410320911 A CN 201410320911A CN 105275861 A CN105275861 A CN 105275861A
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- thrust bearing
- screw
- shaft
- thrust
- pump
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Abstract
The invention belongs to the technical field of submersible motors and particularly relates to a thrust bearing mechanism of a submersible motor. The thrust bearing mechanism of the submersible motor comprises a motor rotary shaft part, a thrust bearing part and a pump pulley part. The thrust bearing part comprises a thrust bearing, a sliding plate, fan-shaped bearing blocks, a thrust bearing supporting block, a bracket, a thrust bearing seat, a first screw and a second screw; the sliding plate is arranged on a motor rotary shaft at the upper end of a shaft end locking nut; the thrust bearing is installed in the position, at the upper end of the sliding plate, of the motor rotary shaft; the fan-shaped bearing blocks are installed in the position, at the lower end of the sliding plate, of the motor rotary shaft; the lower ends of the fan-shaped bearing blocks are connected with the thrust bearing supporting block; the lower end of the thrust bearing supporting block is fixed to the bracket; the middle of the lower end of the bracket is connected with the upper end of an adjusting ring; the lower end of the adjusting ring is fixed to the thrust bearing seat; the left and right sides of the thrust bearing seat and the bracket are fixed through the first screw and the second screw. The thrust bearing mechanism of the submersible motor is short in assembly time, easy to operate and good in heat dissipation performance.
Description
Technical field
The invention belongs to submersible motor technical field, particularly relate to a kind of thrust bearing mechanism of submersible motor.
Background technique
Submersible motor usually combinationally uses with pump, or directly loads onto by submersible motor axle stretch end the product that pump part forms pump unification, so slip in mine water or rivers, lake, in ocean water and work in other occasion water.Current submersible motor is mainly divided into Water, oil-filled type, shielding and dry type four kinds of structural types, and wherein the inner chamber of dry-type submersible motor is full of air, similar to land type motor, and structure is simple; Oil-filled submersible motor is oil-filled sealing configuration, and inner chamber is full of insulation lubricant oil; The inner chamber of Water-filled Type Submersible Motors is full of clean water or anti-rust and lubrication liquid; The closed chamber that thin-walled housing, end ring and casing that the stator of shielding submersible motor is made by non-magnetic stainless steel form carries out tight closure, interior filling solid filler.The Water-filled Type Submersible Motors thrust bearing mechanism of prior art comprises machine shaft, radial bearing disk, bracket, retainer, thrust shaft block, utilize and motor cavity injected clear water method is cooled to winding in inner chamber, but there are the following problems in actual applications:
1, thrust bearing axial restraint power is inadequate, easily comes off when causing carrying or carry out unit assembling, and then extends installation time, improves Operating Complexity.
2, the amount of heat produced in submersible motor running, because heat can not be taken away by the clear water of motor cavity in time, heat accumulation to a certain extent after, the insulating material that often there will be stator winding coil is aging, and then causes motor damage.
Summary of the invention
The invention provides a kind of thrust bearing mechanism of submersible motor, with solve propose in above-mentioned background technology installation time length, complicated operation, heat dispersion difference problem.
Technical problem solved by the invention realizes by the following technical solutions: the thrust bearing mechanism that the invention provides a kind of submersible motor, comprise machine shaft part, thrust bearing part and pump impeller part, described machine shaft part comprises machine shaft and axle head locknut, and described axle head locknut is arranged on machine shaft end, described thrust bearing part comprises thrust bearing, slide plate, multipart bearing block, thrust bearing tray, bracket, thrust shaft block, first screw and the second screw, the machine shaft of described axle head locknut upper end is provided with slide plate, the machine shaft of described slide plate upper end is provided with thrust bearing, lower end is provided with multipart bearing block, described multipart bearing block lower end connects thrust bearing tray, described thrust bearing tray lower end is fixed on bracket, adjustment ring upper end is connected in the middle part of described bracket lower end, described adjustment ring lower end is fixed on thrust shaft block, the left and right sides of described thrust shaft block and bracket is by the first screw, second screw is fixed, described pump impeller part comprises pump impeller, pump shaft, pump cover, the 3rd screw and the 4th screw, described pump shaft is fixedly connected with machine shaft by axle head locknut, described pump impeller flat key connects pump shaft, described pump impeller lower end is flexibly connected pump cover, and the described pump cover left and right sides is fixed on thrust shaft block by the 3rd screw, the 4th screw.
Described multipart bearing block number is eight.
Described first screw is positioning screwn.
Described second screw, the 3rd screw and the 4th screw are socket head screw.
Shaft block ring is provided with between described pump impeller and pump shaft.
Beneficial effect of the present invention is:
1, the structural design mode of thrust bearing part of the present invention, thrust bearing assembling stage has just completed effectively fixing, thus cause because axially lacking fixing or hypopexy the phenomenon come off when avoiding carrying or unit general assembly, effectively reduce installation time and Operating Complexity.
2, machine shaft of the present invention drives the pump shaft of pump impeller part, and pump shaft drives pump impeller to rotate, and motor internal clear water is in operation and circulates, motor cavity temperature will keep the state of a constant temperature, improves thermal diffusivity, working life and working efficiency.
3, multipart bearing block number of the present invention is eight, and experimental result shows, the axial pressure that eight multipart bearing blocks bear is stronger, ensure that effective operation of motor.
4, the first screw of the present invention is positioning screwn, second screw, the 3rd screw and the 4th screw are socket head screw, positioning screwn can make the relative position between thrust shaft block and bracket fix, and do not make ailhead exposing surface, socket head screw have be convenient to fastening, dismantle, be not easy the advantages such as sliding angle.
5, be provided with shaft block ring between pump impeller of the present invention and pump shaft, can produce the axle amount of altering when pump shaft rotates with machine shaft, back-up ring makes pump impeller bottom and is connected between pump shaft more firmly, plays axial constraint effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-machine shaft part, 2-thrust bearing part, 3-pump impeller part, 4-machine shaft, 5-axle head locknut, 6-thrust bearing, 7-slide plate, 8-multipart bearing block, 9-thrust bearing tray, 10-bracket, 11-adjustment ring, 12-thrust shaft block, 13-first screw, 14-second screw, 15-pump impeller, 16-pump shaft, 17-pump cover, 18-the 3rd screw, 19-the 4th screw, 20-shaft block ring.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
Embodiment:
As shown in Figure 1, the present embodiment comprises machine shaft part 1, thrust bearing part 2 and pump impeller part 3, and machine shaft part 1 comprises machine shaft 4 and axle head locknut 5, and axle head locknut 5 is arranged on machine shaft 4 end, thrust bearing part 2 comprises thrust bearing 6, slide plate 7, multipart bearing block 8, thrust bearing tray 9, bracket 10, adjustment ring 11, thrust shaft block 12, first screw 13 and the second screw 14, the machine shaft 4 of axle head locknut 5 upper end is provided with slide plate 7, the machine shaft 4 of slide plate 7 upper end is provided with thrust bearing 6, lower end is provided with multipart bearing block 8, multipart bearing block 8 number is eight, multipart bearing block 8 lower end connects thrust bearing tray 9, thrust bearing tray 9 lower end is fixed on bracket 10, adjustment ring 11 upper end is connected in the middle part of bracket 10 lower end, adjustment ring 11 lower end is fixed on thrust shaft block 12, the left and right sides of thrust shaft block 12 and bracket 10 is by the first screw 13, second screw 14 is fixed, first screw 13 is positioning screwn, second screw 14 is socket head screw, pump impeller part 3 comprises pump impeller 15, pump shaft 16, pump cover 17, the 3rd screw 18 and the 4th screw 19, pump shaft 16 is fixedly connected with machine shaft 4 by axle head locknut 5, pump impeller 15 flat key connects pump shaft 16, shaft block ring 20 is provided with between pump impeller 15 and pump shaft 16, pump impeller 15 lower end is flexibly connected pump cover 17, pump cover 17 left and right sides is fixed on thrust shaft block 12 by the 3rd screw 18, the 4th screw 19, and the 3rd screw 18 and the 4th screw 19 are socket head screw.
During installation, first thrust bearing 6 and slide plate 7 are penetrated from machine shaft 4 end successively and be arranged on machine shaft 4, pump shaft 16 is fixed on machine shaft 4 by the axle head locknut 5 then on machine shaft 4 end, pump impeller 15 flat key connect pump shaft 16 and and be provided with shaft block ring 20 between pump shaft 16, pump impeller 15 lower end is flexibly connected pump cover 17, again slide plate 7 lower end is installed multipart bearing block 8 successively, thrust bearing tray 9, bracket 10, by adjustment ring 11, bracket 10 is connected with thrust shaft block 12 again, and with the first screw 13, thrust shaft block 12 and bracket 10 are fixed by the second screw 14, with the 3rd screw 18, pump cover 17 is fixed on thrust shaft block 12 by the 4th screw 19.During work, machine shaft 4 drives pump shaft 16 to rotate, pump shaft 16 drives pump impeller 15 to rotate, motor internal clear water is in operation circulate, take away winding distribute heat in motor cavity, thrust bearing part 2 mainly bears the effect of maximum axial pressure when machine shaft 4 rotates, ensure that pump impeller part 3 does not normally rotate by axial pressure effect, and thrust bearing part 2 coordinates with pump impeller part 3 and can realize utilizing clear water to cool to winding in motor cavity.
Utilize technical solutions according to the invention, or those skilled in the art being under the inspiration of technical solution of the present invention, designing similar technological scheme, and reach above-mentioned technique effect, is all fall into protection scope of the present invention.
Claims (5)
1. a thrust bearing mechanism for submersible motor, is characterized in that: comprise machine shaft part, thrust bearing part and pump impeller part, and described machine shaft part comprises machine shaft and axle head locknut, and described axle head locknut is arranged on machine shaft end, described thrust bearing part comprises thrust bearing, slide plate, multipart bearing block, thrust bearing tray, bracket, thrust shaft block, first screw and the second screw, the machine shaft of described axle head locknut upper end is provided with slide plate, the machine shaft of described slide plate upper end is provided with thrust bearing, lower end is provided with multipart bearing block, described multipart bearing block lower end connects thrust bearing tray, described thrust bearing tray lower end is fixed on bracket, adjustment ring upper end is connected in the middle part of described bracket lower end, described adjustment ring lower end is fixed on thrust shaft block, the left and right sides of described thrust shaft block and bracket is by the first screw, second screw is fixed, described pump impeller part comprises pump impeller, pump shaft, pump cover, the 3rd screw and the 4th screw, described pump shaft is fixedly connected with machine shaft by axle head locknut, described pump impeller flat key connects pump shaft, described pump impeller lower end is flexibly connected pump cover, and the described pump cover left and right sides is fixed on thrust shaft block by the 3rd screw, the 4th screw.
2. the thrust bearing mechanism of a kind of submersible motor according to claim 1, is characterized in that: described multipart bearing block number is eight.
3. the thrust bearing mechanism of a kind of submersible motor according to claim 1, is characterized in that: described first screw is positioning screwn.
4. the thrust bearing mechanism of a kind of submersible motor according to claim 1, is characterized in that: described second screw, the 3rd screw and the 4th screw are socket head screw.
5. the thrust bearing mechanism of a kind of submersible motor according to claim 1, is characterized in that: be provided with shaft block ring between described pump impeller and pump shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320911.2A CN105275861A (en) | 2014-07-04 | 2014-07-04 | Thrust bearing mechanism of submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320911.2A CN105275861A (en) | 2014-07-04 | 2014-07-04 | Thrust bearing mechanism of submersible motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105275861A true CN105275861A (en) | 2016-01-27 |
Family
ID=55145471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410320911.2A Pending CN105275861A (en) | 2014-07-04 | 2014-07-04 | Thrust bearing mechanism of submersible motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105275861A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194815A (en) * | 2016-08-31 | 2016-12-07 | 天津甘泉集团有限公司 | A kind of axial rolling bearing for high head electric submergible pump |
| CN107863850A (en) * | 2017-12-22 | 2018-03-30 | 蓝深集团股份有限公司 | It is a kind of that there is the efficiently submersible motor of cooling and self-cleaning function |
-
2014
- 2014-07-04 CN CN201410320911.2A patent/CN105275861A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194815A (en) * | 2016-08-31 | 2016-12-07 | 天津甘泉集团有限公司 | A kind of axial rolling bearing for high head electric submergible pump |
| CN107863850A (en) * | 2017-12-22 | 2018-03-30 | 蓝深集团股份有限公司 | It is a kind of that there is the efficiently submersible motor of cooling and self-cleaning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160127 |
|
| WD01 | Invention patent application deemed withdrawn after publication |