CN205937147U - Liquid cooling multistage centrifugal pump - Google Patents
Liquid cooling multistage centrifugal pump Download PDFInfo
- Publication number
- CN205937147U CN205937147U CN201620721055.6U CN201620721055U CN205937147U CN 205937147 U CN205937147 U CN 205937147U CN 201620721055 U CN201620721055 U CN 201620721055U CN 205937147 U CN205937147 U CN 205937147U
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- pump
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- impeller
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Abstract
The utility model relates to a liquid cooling multistage centrifugal pump, drives pump shaft pivoted fluid -cooled electrical machine, pegs graft at the epaxial impeller of pump through the shaft coupling slide bearing that it includes the pump body, cup joint the pump shaft of axle sleeve and spacer ring, cup jointed in the axle sleeve outside, the shaft coupling that links with the pump shaft to and it is a plurality of through steel band fastening and mutual tandem complex stator. The utility model discloses a liquid cooling multistage centrifugal pump is owing to adopt fluid -cooled electrical machine to eliminate the noise that traditional motor adopted cooling fan to bring, the motor passes through in the motor that casing and shell body are dual closed and hindered motor noise's transmission way simultaneously, thereby has reduced the noise of centrifugal pump, in addition, because cooling liquid in time takes away the heat that the motor produced through the stator of spiral runner cooling motor, reduce the temperature of motor, improved the efficiency of motor to multistage centrifugal pump's efficiency has been improved.
Description
Technical field
The utility model is related to industrial liquid conveying and urban water supply and sewerage field, and more particularly, to a kind of fluid-cooled electrical machine drives
Stainless steel centrifugal multistage pump multiple centrifugal pump.
Background technology
Centrifugal multistage pump multiple centrifugal pump be applied to the conveying of industrial liquid and urban water supply and sewerage, skyscraper pressurized water supply, gardens sprinkling irrigation,
Fire fighting pressurization, send the cold-warm waters such as water, heating, bathroom circularly-supercharged at a distance and coordinative composition of equipments and air-conditioner set circulation, cooling
Water conveying etc..
The motor that centrifugal multistage pump multiple centrifugal pump is adopted at present is most of to be standard industry motor.Standard industry motor will for noise
Ask higher application places, such as house, business office, hotel etc., be difficult to meet the requirement of client.Reduce the side of noise
Method mainly has two：One is the oscillation power reducing noise source, and two is to hinder or cut off its route of transmission.Reduce noise source to shake
Dynamic power is the pursuit of projector all the time, but difficulty is larger, relatively costly.Hinder or cut-out noise transmission way
Footpath also can effectively reduce noise level, however it is necessary that larger space, high cost simultaneously.
Liquid cooling centrifugal multistage pump multiple centrifugal pump of the present utility model, due to adopting fluid-cooled electrical machine, eliminates cooling in conventional motors and uses
Fan, thus eliminating a noise source, motor passes through motor inner housing and shell body dual sealing simultaneously, hinders motor and makes an uproar
The pipeline of sound, reduces the noise of motor, thus reducing the noise of centrifugal pump；On the other hand, by liquid cooling electricity
The stator of machine, the heat that motor is produced is taken away in time, reduces the temperature of motor, improves the efficiency of motor, thus improving
The efficiency of centrifugal multistage pump multiple centrifugal pump.
Utility model content
The purpose of this utility model is the noise problem for centrifugal multistage pump multiple centrifugal pump, provides a kind of reduction centrifugal multistage pump multiple centrifugal pump noise
Solution.
For achieving the above object, the utility model provides a kind of centrifugal multistage pump multiple centrifugal pump, including：
The pump housing, positioned at described centrifugal pump bottom, the described pump housing includes fluid intake and outlet；
Pump shaft, is axially contained in the described pump housing, and described pump shaft is socketed with axle sleeve and wheel space ring；
Sliding bearing, is socketed in outside described axle sleeve, slidably supports described pump shaft；
Impeller, is plugged on described pump shaft and by described wheel space ring axially position, described pump shaft drives described impeller
Rotate, thus the fluid entering from the suction inlet of the described pump housing is pressurizeed；
Stator, is arranged on the liquid stator described in chopped-off head outside described axle sleeve, being pressurizeed by described impeller and collects and drop
Low flow velocity, enters impeller described in next stage and continues pressurization until liquid being discharged from described outlet and sending into water supply system；
Fluid-cooled electrical machine, it is axially mounted to described pump housing upper end by electric machine support, and described electric machine support and the pump housing pass through
Turnbuckle is locked；Described electric machine support has support inner casing and rack shell, shape between described support inner casing and rack shell
Become to connect the guiding fluid hole of described pump housing chamber；The housing of described fluid-cooled electrical machine by motor housing and comprises in the motor of motor stator
Shell is constituted, and is provided with the screw-shaped flow paths as motor cooling passage, described spiral shell between described motor inner casing and electrode shell
Rotating runner is connected with the porch of described guiding fluid hole, passes through back between the outlet of described guiding fluid hole and the suction inlet of the described pump housing
Liquid pipe connects；
Motor shaft, is axially contained in the middle of the described motor inner casing of described fluid-cooled electrical machine, is driven by described fluid-cooled electrical machine and turns
Dynamic；
Rolling bearing, motor shaft described in rolling support；
Shaft coupling, for coupling described motor shaft and pump shaft, described fluid-cooled electrical machine passes through described motor shaft and shaft coupling band
Dynamic described pump shaft rotates；
Described pump shaft passes through the bottom of described electric machine support, and described electric machine support two bottom sides are provided with and are set in described pump
Mechanical seal on axle enters described electric machine support to separate the fluid in the described pump housing.
Wherein, described rolling bearing includes front end rolling bearing and rear end rolling bearing, is respectively used to described in rolling support
The front end of motor shaft and rear end, described front end rolling bearing is arranged on the top of described electric machine support, and described motor shaft passes through institute
Stretch into after stating front end rolling bearing in described electric machine support and be connected with described pump shaft by described shaft coupling.
Wherein, described rolling bearing is angular contact deep groove ball bearing, to make it have the bearing capacity of axial load.
Wherein, described screw-shaped flow paths spiral is arranged on the outer wall of described motor inner casing, as cooling liquid flowing
Passage, timely takes away the heat producing in the motor course of work.
Wherein, impeller described in chopped-off head passes through axis head nut axially position, impeller described in chopped-off head and impeller described in the second level it
Between by described axle sleeve axially position, by described wheel space ring axially position between remaining described impeller at different levels.
Further, multiple projections the inner ring of described impeller have been radially arranged for radially fixed in described pump shaft outer wall
The groove of the multiple radial direction of correspondence on.
Wherein, one end of stator described in chopped-off head is plugged on described axle sleeve, the other end of stator described in chopped-off head and remaining institute
State and between stator, pass through steel band tandem cooperation positioning.
Further, between described axle sleeve and stator, logical interference fit is assembled together, described sliding bearing and axle sleeve it
Between for gap cooperation.
Wherein, sealing ring is adopted to seal between described motor inner casing and electrode shell.
Wherein, the chamber for housing described impeller and stator has outer tube and inner core, and described impeller and stator are respectively provided with
In described inner core.
Centrifugal multistage pump multiple centrifugal pump of the present utility model adopts fluid-cooled electrical machine, eliminates cooling fan in conventional motors, eliminates
One noise source, simultaneously motor pass through motor inner casing and motor housing dual sealing, hinder the propagation of noise, reduce motor
Noise, thus reducing the noise of centrifugal pump；On the other hand, in the course of work of centrifugal multistage pump multiple centrifugal pump, by liquid circulation
The stator of cooling motor, takes away the heat producing in the motor course of work in time, reduces the temperature of motor, improve motor
Efficiency, thus improve the efficiency of centrifugal multistage pump multiple centrifugal pump.
Brief description
Fig. 1 is the schematic diagram of the cold centrifugal multistage pump multiple centrifugal pump of the utility model liquid.
In figure numeral represents：
1. steel band 2. impeller 3. sliding bearing
4. axle sleeve 5. stator 6. turnbuckle
7. mechanical seal 8. guiding fluid hole 9. front end rolling bearing
10. motor housing 11. fluid-cooled electrical machine 12. rear end rolling bearing
13. pump housing, 14. outer tube 15. wheel space ring
16. pump shaft, 17. shaft coupling 18. electric machine support
19. sealing ring, 20. liquid back pipe 21. motor inner casing
22. screw-shaped flow paths, 23. motor shaft 24. inner core
25. suction inlet 26. outlet
Specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the cold centrifugal multistage pump multiple centrifugal pump of the utility model liquid schematic diagram taking two-stage as a example, as illustrated, of the present utility model
The cold centrifugal multistage pump multiple centrifugal pump of liquid specifically includes：Steel band 1, impeller 2, sliding bearing 3, axle sleeve 4, stator 5, turnbuckle 6, mechanical seal 7,
Guiding fluid hole 8, front end rolling bearing 9, motor housing 10, fluid-cooled electrical machine 11, motor shaft 23, rear end rolling bearing 12, the pump housing 13, outer
In cylinder 14 and inner core 24, wheel space ring 15, pump shaft 16, shaft coupling 17, electric machine support 18, sealing ring 19, liquid back pipe 20, motor
Shell 21, screw-shaped flow paths 22, suction inlet 25 and outlet 26.
Pump shaft 16 is contained in impeller 2 and stator 5, and impeller 2 is plugged on pump shaft 16, and pump shaft 16 is socketed with axle sleeve 4 He
Wheel space ring 15；Sliding bearing 3 is socketed in inside axle sleeve 4, radially slides support pump shaft 16, between sliding bearing 3 and axle sleeve 4
For gap cooperation；Stator 5 adopts interference fit on axle sleeve 4；The major function of wheel space ring 15 is between impeller 2
Axially position.
The motor shaft 23 of fluid-cooled electrical machine 11 passes through front end rolling bearing 9 and rear end rolling bearing 12 supports, the front end axis of rolling
Hold the 9 angular contact deep groove ball bearings being typically axial load bearing capacity and rear end rolling bearing 12 adopts common deep-groove ball
Bearing, sometimes rear end rolling bearing 12 be also adopted by angular contact deep groove ball bearing.Pump shaft 16 passes through shaft coupling 17 and motor shaft 23 phase
Connection, outside fluid-cooled electrical machine 11 drives pump shaft 16 to rotate by shaft coupling 17, and pump shaft 16 impeller 2 rotates, thus will be from pump
The fluid pressurization that the suction inlet 25 of body 13 sucks.The mutual tandem of stator 5 coordinates, and is tightened together by steel band 1, by impeller 2
Flow velocity is collected and reduced to the liquid of pressurization through stator 5, and is discharged by the outlet 26 of the pump housing 13.
First stage impeller 2 passes through axis head nut axially position, passes through axle sleeve 4 axially fixed between first stage impeller 2 and secondary impeller 2
Position, passes through wheel space ring 15 axially position between remaining each impeller 2.Have on impeller 2 inner ring multiple projections radially fixed
On multiple grooves of pump shaft 16.
The effect of stator 5 is impeller 2 to be thrown away the liquid coming collect, and so that the flow velocity of liquid is reduced, partial velocity
After pressure energy being changed into, then it is uniformly introduced next stage or discharges feeding fluid pipe network system through the pump housing 13 outlet 26
System.Stator 5 makes liquid flow in continuous runner, is difficult to form dead angle and unexpected diffusion, fluid velocity change ratio is more uniform,
Hydraulic performance is good.
According to different impeller diameters and different series, multiple sliding bearings 3 can be configured for centrifugal multistage pump multiple centrifugal pump, by adjusting
The quantity optimization of whole sliding bearing 3 is it is ensured that centrifugal multistage pump multiple centrifugal pump safe and stable operation.
Guiding fluid hole 8 is opened on electric machine support 18 and electric machine support 18 has been divided into support inner casing and rack shell, guiding fluid hole 8
Circulation canal as cooling motor liquid.Liquid passes through 8 liquid of guiding fluid hole electric machine support 18 from centrifugal pump high pressure chest
It is introduced into and designs between motor inner casing 21 and motor housing 10 in the screw-shaped flow paths 22 on motor inner casing 21, cooling liquid is passed through
Screw-shaped flow paths 22 constitute the circulatory system by the inlet flange that liquid back pipe 20 is directly connected to the pump housing 13.The liquid of cooling motor leads to
Cross sealing ring 19 to separate with extraneous.In the centrifugal multistage pump multiple centrifugal pump course of work, the circulating liquid in screw-shaped flow paths 22 timely carries
Walk the heat of motor stator generation, allow motor be maintained at one with respect to relatively low temperature for ventilated machine all the time, improve electricity
The efficiency of machine, thus improve the efficiency of low noise multistage pump.
The pump shaft 16 of the cold centrifugal multistage pump multiple centrifugal pump of liquid of the present utility model is directly driven by fluid-cooled electrical machine 11 by shaft coupling 17, pump
Axle 2 liquid pumpings of 16 impeller are to the lift specified.The cold centrifugal multistage pump multiple centrifugal pump of liquid leads to liquid through the pump housing 13 suction inlet 25
Cross impeller 2 and suck the cold centrifugal multistage pump multiple centrifugal pump of liquid, liquid, after impeller 2 pressurization, enters subordinate's impeller 2 through stator 5 and continues to add
Pressure, then enters the pressurization of next stage impeller by subordinate's stator 5, until by end after being terminated by impeller 2 pressure process
Level stator 5 is discharged, finally, runner that the cold centrifugal multistage pump multiple centrifugal pump of liquid is constituted the liquid of high pressure between stator 5 and outer tube 14 from
The outlet 26 of the pump housing 13 sends into pipe-line system.
According to the requirement of pumped (conveying) medium, the cold centrifugal multistage pump multiple centrifugal pump of liquid of the present utility model can be selected for corresponding material, such as stainless
Corrosion resistant material that steel, titanium alloy etc. are antirust.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equivalent replaces
Change, improve, should be included within protection domain of the present utility model.
Claims (9)
1. a kind of cold centrifugal multistage pump multiple centrifugal pump of liquid is it is characterised in that include：
The pump housing, positioned at described centrifugal pump bottom, the described pump housing includes fluid intake and outlet；
Pump shaft, is axially contained in the described pump housing, and described pump shaft is socketed with axle sleeve and wheel space ring；
Sliding bearing, is socketed in outside described axle sleeve, slidably supports described pump shaft；
Impeller, is plugged on described pump shaft and by described wheel space ring axially position, described pump shaft drives described wheel rotation；
Stator, is arranged on outside described axle sleeve；
Fluid-cooled electrical machine, it is axially mounted to described pump housing upper end by electric machine support, and described electric machine support passes through tension with the pump housing
Bolt is locked；Described electric machine support has support inner casing and rack shell, the company of being formed between described support inner casing and rack shell
Lead to the guiding fluid hole of described pump housing chamber；The housing of described fluid-cooled electrical machine is by motor housing and the motor inner casing structure comprising motor stator
Become, between described motor inner casing and electrode shell, be provided with the screw-shaped flow paths as motor cooling passage, described spiral
Runner spiral is arranged on the outer wall of described motor inner casing, and described screw-shaped flow paths are connected with the porch of described guiding fluid hole, institute
The outlet stating guiding fluid hole is connected by liquid back pipe between the suction inlet of the described pump housing；
Motor shaft, is axially contained in the middle of the described motor inner casing of described fluid-cooled electrical machine, is driven by described fluid-cooled electrical machine and rotates；
Rolling bearing, motor shaft described in rolling support；
Shaft coupling, for coupling described motor shaft and pump shaft, described fluid-cooled electrical machine passes through described motor shaft and shaft coupling drives institute
State pump shaft to rotate；
Described pump shaft passes through the bottom of described electric machine support, and described electric machine support two bottom sides are provided with and are set on described pump shaft
Mechanical seal.
2. the cold centrifugal multistage pump multiple centrifugal pump of liquid according to claim 1 is it is characterised in that described rolling bearing includes the front end axis of rolling
Hold and rear end rolling bearing, be respectively used to front end and the rear end of motor shaft described in rolling support, described front end rolling bearing is arranged
On the top of described electric machine support, described motor shaft stretches in described electric machine support after passing through described front end rolling bearing and passes through
Described shaft coupling is connected with described pump shaft.
3. the cold centrifugal multistage pump multiple centrifugal pump of liquid according to claim 2 is it is characterised in that described rolling bearing is angular contact deep-groove ball
Bearing.
4. the cold centrifugal multistage pump multiple centrifugal pump of liquid according to claim 1 is it is characterised in that impeller described in chopped-off head passes through axis head nut
Axially position, impeller described in chopped-off head and described in the second level between impeller by described axle sleeve axially position, remaining described leaf at different levels
By described wheel space ring axially position between wheel.
5. the cold centrifugal multistage pump multiple centrifugal pump of liquid according to claim 4 it is characterised in that have on the inner ring of described impeller raised radially
It is fixed on the groove of described pump shaft outer wall.
6. the cold centrifugal multistage pump multiple centrifugal pump of liquid according to claim 1 is it is characterised in that one end of stator described in chopped-off head is plugged on institute
State on axle sleeve, between the other end of stator described in chopped-off head and remaining described stator, pass through steel band tandem cooperation positioning.
7. the cold centrifugal multistage pump multiple centrifugal pump of liquid according to claim 6 is it is characterised in that pass through to be full of between described axle sleeve and stator to join
Conjunction is assembled together, and coordinates for gap between described sliding bearing and axle sleeve.
8. the cold centrifugal multistage pump multiple centrifugal pump of liquid according to claim 1 is it is characterised in that between described motor inner casing and electrode shell
Using sealing ring sealing.
9. the cold centrifugal multistage pump multiple centrifugal pump of liquid according to claim 1 is it is characterised in that chamber for housing described impeller and stator
Room has outer tube and inner core, and described impeller and stator are arranged in described inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620721055.6U CN205937147U (en) | 2016-07-11 | 2016-07-11 | Liquid cooling multistage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620721055.6U CN205937147U (en) | 2016-07-11 | 2016-07-11 | Liquid cooling multistage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937147U true CN205937147U (en) | 2017-02-08 |
Family
ID=57928795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620721055.6U Active CN205937147U (en) | 2016-07-11 | 2016-07-11 | Liquid cooling multistage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937147U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952655A (en) * | 2016-07-11 | 2016-09-21 | 池泉 | Liquid cooling multistage centrifugal pump |
| CN108397424A (en) * | 2018-05-07 | 2018-08-14 | 王连春 | A kind of water pump |
| CN109209916A (en) * | 2017-07-10 | 2019-01-15 | 邯郸学院 | Submerged centrifugal pump is used in a kind of production of Portable chemical |
-
2016
- 2016-07-11 CN CN201620721055.6U patent/CN205937147U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952655A (en) * | 2016-07-11 | 2016-09-21 | 池泉 | Liquid cooling multistage centrifugal pump |
| CN109209916A (en) * | 2017-07-10 | 2019-01-15 | 邯郸学院 | Submerged centrifugal pump is used in a kind of production of Portable chemical |
| CN108397424A (en) * | 2018-05-07 | 2018-08-14 | 王连春 | A kind of water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171023 Address after: 201706 north side of the 3 layer of the 2 building of 6355 East Road, Qingpu District, Shanghai Patentee after: Shanghai Han Automation Technology Co., Ltd. Address before: 201706 Shanghai, Qingpu, Hong Kong East Road, Shanghai Panda Machinery (Group) Co., Ltd. Patentee before: Chi Quan |
|
| TR01 | Transfer of patent right |