CN105927576B - A kind of power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid - Google Patents
A kind of power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid Download PDFInfo
- Publication number
- CN105927576B CN105927576B CN201610412227.6A CN201610412227A CN105927576B CN 105927576 B CN105927576 B CN 105927576B CN 201610412227 A CN201610412227 A CN 201610412227A CN 105927576 B CN105927576 B CN 105927576B
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- CN
- China
- Prior art keywords
- sliding bearing
- taper cone
- cone barrel
- electric motor
- type electric
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Abstract
The invention belongs to a kind of power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid of field of fluid machinery, including taper cone barrel, first passage, second channel, vane and third channel；The first passage is opened in the inside of sliding bearing end cap, second channel is opened in the junction of taper cone barrel and sliding bearing end cap, the third channel is opened in taper cone barrel axially adjacent between the wall surface and axis of sliding bearing, and the vane is fixedly mounted on second axle sleeve；The present invention increases wet type electric motor pump sliding bearing cooling circuit pressure, and the power of bigger is provided for motor cooling cycle channel；The impurity in cooling medium is filtered, under the working condition of wet type electric motor pump, the structure can guarantee that the cooling circuit of wet type electric motor heat dissipation possesses enough cooling cleaning mediums, reduce sliding bearing abrasion simultaneously, extend the service life of sliding bearing, the operational reliability of pump assembly is improved, reduces maintenance expense.
Description
Technical field
The invention belongs to fluid machinery research fields, and in particular to a kind of wet type electric motor pump sliding bearing cooling circulation liquid
Power depuration structure.
Background technology
Based on mining permeable rapid rescue pump, impeller of pump is directly driven using variable frequency speed-increasing wet type electric motor.Pump rotor exists
It is rotated under sliding supported condition, interior circulation cooling circuit is one of key technology of wet type electric motor pump assembly.It is operated in pump assembly
In the process, contain impurity, existing cooling due to internal slide bearing and its to the abrasion and interior circulating liquid itself of grinding component
Circuit type can not remove the impurity in liquid, these impurity will cause sliding bearing to accelerate abrasion, influence sliding bearing
Service life.On the other hand, during existing wet type electric motor pump operating, the gap of thrust disc and thrust bearing shoe is small, and the pressure loss is big,
Enough cooling medium power for follow-up circuit can not be provided, influence wet type electric motor pump heat dissipation effect.
Invention content
The purpose of the present invention is provide a kind of power of wet type electric motor pump sliding bearing cooling circulation liquid regarding to the issue above
Depuration structure improves cooling cycle flow in existing wet type electric motor pump seal chamber, eliminates the solid particle polluter in liquid, solution
The problem of medium impurity sliding bearing easy to wear is certainly cooled down, improves the service life of pump.
The technical scheme is that：A kind of power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid, packet
Include taper cone barrel, first passage, second channel and third channel；
The taper cone barrel is mounted in annular seal space, and the annular seal space is by sliding bearing end cap, thrust disc, stent, first axle
Set, the second axle sleeve and sliding bearing surround；The taper cone barrel is cylindrical shape close to the part of sliding bearing, close to the portion of thrust disc
It is divided into cone；The columnar part of taper cone barrel is detachably connected with sliding bearing end cap by paraxial one end, the circle
The part of cone cylinder cone is detachably connected with the first axle sleeve；
The first passage is opened in the inside of sliding bearing end cap；Second channel is opened in taper cone barrel and sliding bearing end cap
Junction；The one end open of the first passage connects sliding bearing end cap from the nearly one end of thrust disc, and another end opening passes through
Second channel is connected with the taper cone barrel；The third channel be opened in taper cone barrel axially adjacent to sliding bearing wall surface and axis it
Between.
In said program, vane is additionally provided on the taper cone barrel；The vane is fixedly mounted on second axle sleeve.
Further, the position of the vane faces the outlet of second channel.
In said program, first axle sleeve opens a radial through-hole at thrust disc, and it is axial to open one close to thrust disc end
Hole, axial hole are communicated with radial through-hole；The thrust disc is opened the axial direction communicated with C chambers with the same axial location of above-mentioned axial hole and is led to
Road, axial hole are communicated with axial passage.
In said program, auxiliary seal is further included；
The auxiliary seal is arranged on taper cone barrel close to one end of thrust disc, and the stationary ring of auxiliary seal passes through with taper cone barrel to be determined
Position pin is fixedly connected, and the rotating ring of auxiliary seal is connect with the first axle sleeve.
In said program, the columnar part of taper cone barrel is connected with sliding bearing end cap by paraxial one end by bolt
It connects, gasket is also cased on the bolt.
The beneficial effects of the invention are as follows：Compared with prior art, the present invention is in wet type electric motor pump work, using the present invention
After the power depuration structure, increase wet type electric motor pump sliding bearing cooling circuit pressure, be motor cooling cycle channel
Provide the power of bigger；The impurity in cooling medium is filtered, under the working condition of wet type electric motor pump, which can guarantee
The cooling circuit of wet type electric motor heat dissipation possesses enough cooling cleaning mediums, while reduce sliding bearing abrasion, extends
The service life of sliding bearing, improves the operational reliability of pump assembly, reduces maintenance expense.
Description of the drawings
Fig. 1 is the power depuration structure schematic diagram of an embodiment of the present invention sliding bearing cooling circulation liquid；
Fig. 2 pumps existing sliding bearing structure schematic diagram for wet type electric motor.
In figure：1st, axial passage；2nd, thrust disc；3rd, thrust bearing shoe；4th, axial hole；5th, stent；6th, auxiliary seal；7th, it positions
Pin；8th, radial through-hole；9th, key；10th, bolt；11st, gasket；12nd, motor cylinder；13rd, first passage；14th, taper cone barrel；15th, first
Axle sleeve；16th, second channel；17th, vane；18th, the second axle sleeve；19th, third channel；20th, sliding bearing end cap；21st, sliding bearing
Gland；22nd, sliding bearing；23rd, axis；24th, annular seal space；25th, C chambers.
Specific embodiment
In order to which the technical features, objects and effects to invention are more clearly understood, now control description of the drawings is of the invention
Specific embodiment, in the various figures identical label represent the same or similar part.Attached drawing is merely to illustrate the present invention, no
Represent the practical structures and actual proportions of the present invention.
Fig. 1 show a kind of reality of the power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid of the present invention
Apply mode, the power depuration structure of the wet type electric motor pump sliding bearing cooling circulation liquid, including taper cone barrel 14, first passage
13rd, second channel 16, vane 17 and third channel 19.
The taper cone barrel 14 is mounted in annular seal space 24, and the annular seal space 24 is by sliding bearing end cap 20, thrust disc 2, branch
Frame 5, the first axle sleeve 15, the second axle sleeve 18 and sliding bearing 22 surround；The taper cone barrel 14 is close to the part of sliding bearing 22
Cylindrical shape is cone close to the part of thrust disc 2；Sliding bearing end cap 20 is sliding axle socket end axially adjacent to one end of axis 23
The bottom end of lid 20, the 14 columnar part of taper cone barrel are detachably mounted to the bottom of sliding bearing end cap 20 by bolt 10
It holds, gasket 11 is also cased on the bolt 10.The taper cone barrel 14 is close to bottom end of the one end of stent 5 for taper cone barrel 14；It is described
The part of 14 cone of taper cone barrel is detachably connected with the first axle sleeve 15.The first passage 13 is opened in sliding bearing end cap 20
Inside；Second channel 16 is opened in the junction of taper cone barrel 14 and sliding bearing end cap 20；It opens one end of the first passage 13
From 2 nearly one end of thrust disc, another end opening is connected mouth connection sliding bearing end cap 20 by second channel 16 and the taper cone barrel 14
It is logical；The third channel 19 is opened in taper cone barrel 14 axially adjacent between the wall surface of sliding bearing 22 and axis 23.
The thrust disc 2 is connected to by key 9 on axis 23, is rotated with axis 23, the sliding bearing end cap 20 and electricity
Machine rack is connected by fastener, and an inclined first passage 13 is opened inside sliding bearing end cap 20, thus cooling medium draws
Enter into the taper cone barrel 14, by the power depuration structure of the sliding bearing cooling circulation liquid, i.e., by 2 inside diameter of thrust disc
First passage 13 inside sliding bearing end cap 20 will be flowed into the liquid that through-hole is thrown away, by second channel 16 into taper cone barrel
In 14, flowed out by third through-hole 19.
Vane 17 is additionally provided on the taper cone barrel 14；The vane 17 is fixedly mounted on second axle sleeve 18 separate push away
One end of power disk 2 and the outlet for facing second channel 16.The vane 17 carries out acceleration rotation to the liquid for flowing into taper cone barrel 14
Turn.
First axle sleeve 15 opens a radial through-hole 8 at thrust disc 2, and an axial hole 4, axis are opened close to 2 end of thrust disc
It is communicated to hole 4 with radial through-hole 8；The thrust disc 2 opens the axial direction communicated with C chambers 25 with above-mentioned 4 same axial location of axial hole
Channel 1, axial hole 4 are communicated with axial passage 1, ensure that axial hole 4 is consistent with the axis of axial passage 1 during installation.
The part of 14 cone of taper cone barrel and the junction of the first axle sleeve 15 are equipped with auxiliary seal 6, and the auxiliary is close
Envelope 6 is arranged on taper cone barrel 14 close to one end of thrust disc 2, and the stationary ring of auxiliary seal 6 is fixed with taper cone barrel 14 by positioning pin 7 to be connected
It connects, the rotating ring of auxiliary seal 6 is connect with the first axle sleeve 15, and solid particle is made to gather outflow.
During wet type electric motor pump rotation, axis 23 rotates, and transmitting torque by key 9 drives thrust disc 2 to rotate, and liquid flows through thrust
After 2 radial through-hole of disk, a part is flowed out through thrust disc 2 and 3 gap of thrust bearing shoe, but the overwhelming majority flows into sliding bearing end cap 20
Then inside first channel 13 is flowed into through second channel 16 inside taper cone barrel 14.Since vane 17 is rotated with axis 23, containing miscellaneous
After matter liquid enters taper cone barrel 14, the vane 17 through rotation and generate strong rotation, liquid is along cylinder twist to taper cone barrel
14 bottom ends are flowed, and the big solid particle of density is thrown toward the wall of taper cone barrel 14, and under the effect of gravity under the action of the centrifugal force, edge
The wall whereabouts of taper cone barrel 14 is flow in the radial through-hole 8 and axial hole 4 that the second axle sleeve 18 of thrust disc 2 is opened, by pushing away
2 internal axial channel 1 of power disk is flowed back in the relatively low C chambers 25 of pressure.It is purified cleaning liquid in taper cone barrel 14 from bottom to top
It is for the helical movement, and shrink to center flow, it is flowed out finally by third channel 19, lubrication sliding bearing 22.
Fig. 2 show wet type electric motor and pumps existing sliding bearing structure schematic diagram, when existing wet type electric motor pump operates, thrust
The gap of disk and thrust bearing shoe is small, and the pressure loss is big, and enough cooling medium power can not be provided for follow-up circuit, influences wet type
Electric-motor pump heat dissipation effect.It is of the invention to open first passage 13 inside sliding bearing end cap 20 compared with the prior art shown in Fig. 2,
In the annular seal space that sliding bearing end cap 20, thrust disc 2, stent 5, the first axle sleeve 15, the second axle sleeve 18 and sliding bearing 22 surround
Taper cone barrel 14 is placed in 24,14 bottom end of taper cone barrel sets auxiliary seal 6, sets vane 17 on the second axle sleeve 18, reach except impurity elimination
Matter, reduces the effect of sliding bearing abrasion, and increases wet type electric motor pump sliding bearing cooling circuit pressure.
It should be appreciated that although this specification is described according to each embodiment, not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
Bright book is as an entirety, and the technical solutions in each embodiment can also be properly combined, and forming those skilled in the art can be with
The other embodiment of understanding.
Those listed above is a series of to be described in detail illustrating only for possible embodiments of the invention,
They are not to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or change
It should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid, which is characterized in that including taper cone barrel
(14), first passage (13), second channel (16) and third channel (19)；
The taper cone barrel (14) is in annular seal space (24), and the annular seal space (24) is by sliding bearing end cap (20), thrust disc
(2), stent (5), the first axle sleeve (15), the second axle sleeve (18) and sliding bearing (22) surround；The taper cone barrel (14) is close to sliding
The part of dynamic bearing (22) is cylindrical shape, is cone close to the part of thrust disc (2)；The columnar portion of the taper cone barrel (14)
It point is detachably connected with the one end of sliding bearing end cap (20) by paraxial (23), the part of taper cone barrel (14) cone and the
One axle sleeve (15) is detachably connected；
The first passage (13) is opened in the inside of sliding bearing end cap (20)；Second channel (16) be opened in taper cone barrel (14) with
The junction of sliding bearing end cap (20)；The one end open connection sliding bearing end cap (20) of the first passage (13) is from thrust
Disk (2) nearly one end, another end opening are connected by second channel (16) with the taper cone barrel (14)；The third channel (19) is opened
In taper cone barrel (14) axially adjacent between the wall surface of sliding bearing (22) and axis (23).
2. the power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid according to claim 1, feature exist
In being additionally provided with vane (17) on the taper cone barrel (14)；The vane (17) is fixedly mounted on second axle sleeve (18).
3. the power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid according to claim 2, feature exist
In the position of the vane (17) faces the outlet of second channel (16).
4. the power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid according to claim 1, feature exist
In first axle sleeve (15) opens a radial through-hole (8) at thrust disc (2), and an axial hole is opened close to thrust disc (2) end
(4), axial hole (4) is communicated with radial through-hole (8)；The thrust disc (2) is opened with above-mentioned axial hole (4) same axial location and C
The axial passage (1) that chamber (25) communicates, axial hole (4) are communicated with axial passage (1).
5. the power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid according to claim 1, feature exist
In further including auxiliary seal (6)；
The auxiliary seal (6) is arranged on taper cone barrel (14) close to one end of thrust disc (2), the stationary ring and circle of auxiliary seal (6)
Cone cylinder (14) is fixedly connected by positioning pin (7), and the rotating ring of auxiliary seal (6) is connect with the first axle sleeve (15).
6. the power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid according to claim 1, feature exist
In the columnar part of the taper cone barrel (14) is connected with the one end of sliding bearing end cap (20) by paraxial (23) by bolt (10)
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610412227.6A CN105927576B (en) | 2016-06-12 | 2016-06-12 | A kind of power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610412227.6A CN105927576B (en) | 2016-06-12 | 2016-06-12 | A kind of power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105927576A CN105927576A (en) | 2016-09-07 |
| CN105927576B true CN105927576B (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610412227.6A Expired - Fee Related CN105927576B (en) | 2016-06-12 | 2016-06-12 | A kind of power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223462B (en) * | 2016-12-12 | 2020-11-10 | 江苏飞跃机泵集团有限公司 | Pump for pumping impurities |
| JP7126467B2 (en) * | 2019-03-20 | 2022-08-26 | 日立Astemo株式会社 | Bearing structure in electric fluid pump |
| CN111998005B (en) * | 2020-08-25 | 2022-02-18 | 南京工程学院 | Cooling and flushing structure of water lubrication thrust bearing |
| CN111980954B (en) * | 2020-08-26 | 2022-02-22 | 南京工程学院 | Protection mechanism arranged at mechanical seal of mining high-speed emergency pump |
| CN115414717B (en) * | 2022-10-09 | 2023-07-28 | 南京工程学院 | Inside automatic filtration structure and motor of motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751018A (en) * | 1980-09-09 | 1982-03-25 | Toshiba Corp | Thrust bearing device |
| JPS58172491A (en) * | 1982-04-02 | 1983-10-11 | Hitachi Ltd | Vertical type underwater pump motor |
| JPH0518389A (en) * | 1991-07-08 | 1993-01-26 | Toshiba Corp | Pump for high temperature |
| EP0812996A3 (en) * | 1996-06-14 | 1999-06-16 | Capstone Turbine Corporation | Hydrostatic augmentation of a compliant foil hydrodynamic fluid film thrust bearing |
| CN101846085A (en) * | 2010-06-08 | 2010-09-29 | 江苏大学 | Frequency conversion high-speed wet type submersible pump |
| CN104184260A (en) * | 2014-07-29 | 2014-12-03 | 江苏大学 | Wet type motor for high-speed mining submersible pump |
| CN205744570U (en) * | 2016-06-12 | 2016-11-30 | 江苏大学 | A kind of power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid |
-
2016
- 2016-06-12 CN CN201610412227.6A patent/CN105927576B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751018A (en) * | 1980-09-09 | 1982-03-25 | Toshiba Corp | Thrust bearing device |
| JPS58172491A (en) * | 1982-04-02 | 1983-10-11 | Hitachi Ltd | Vertical type underwater pump motor |
| JPH0518389A (en) * | 1991-07-08 | 1993-01-26 | Toshiba Corp | Pump for high temperature |
| EP0812996A3 (en) * | 1996-06-14 | 1999-06-16 | Capstone Turbine Corporation | Hydrostatic augmentation of a compliant foil hydrodynamic fluid film thrust bearing |
| CN101846085A (en) * | 2010-06-08 | 2010-09-29 | 江苏大学 | Frequency conversion high-speed wet type submersible pump |
| CN104184260A (en) * | 2014-07-29 | 2014-12-03 | 江苏大学 | Wet type motor for high-speed mining submersible pump |
| CN205744570U (en) * | 2016-06-12 | 2016-11-30 | 江苏大学 | A kind of power depuration structure of wet type electric motor pump sliding bearing cooling circulation liquid |
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| CN105927576A (en) | 2016-09-07 |
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