CN108050079A - Submersible axial flow pump - Google Patents
Submersible axial flow pump Download PDFInfo
- Publication number
- CN108050079A CN108050079A CN201711273594.3A CN201711273594A CN108050079A CN 108050079 A CN108050079 A CN 108050079A CN 201711273594 A CN201711273594 A CN 201711273594A CN 108050079 A CN108050079 A CN 108050079A
- Authority
- CN
- China
- Prior art keywords
- water
- flow pump
- bearing
- axial flow
- impeller
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nODVweCcgaGVpZ2h0PSc4NXB4JyB2aWV3Qm94PScwIDAgODUgODUnPgo8IS0tIEVORCBPRiBIRUFERVIgLS0+CjxyZWN0IHN0eWxlPSdvcGFjaXR5OjEuMDtmaWxsOiNGRkZGRkY7c3Ryb2tlOm5vbmUnIHdpZHRoPSc4NScgaGVpZ2h0PSc4NScgeD0nMCcgeT0nMCc+IDwvcmVjdD4KPHRleHQgeD0nMTMuMzEyOCcgeT0nNTMuNTkwOScgY2xhc3M9J2F0b20tMCcgc3R5bGU9J2ZvbnQtc2l6ZToyM3B4O2ZvbnQtc3R5bGU6bm9ybWFsO2ZvbnQtd2VpZ2h0Om5vcm1hbDtmaWxsLW9wYWNpdHk6MTtzdHJva2U6bm9uZTtmb250LWZhbWlseTpzYW5zLXNlcmlmO3RleHQtYW5jaG9yOnN0YXJ0O2ZpbGw6I0U4NDIzNScgPkg8L3RleHQ+Cjx0ZXh0IHg9JzI4LjE1NjknIHk9JzYyLjg2MzYnIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6MTVweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiNFODQyMzUnID4yPC90ZXh0Pgo8dGV4dCB4PSczNS4wNDU1JyB5PSc1My41OTA5JyBjbGFzcz0nYXRvbS0wJyBzdHlsZT0nZm9udC1zaXplOjIzcHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7dGV4dC1hbmNob3I6c3RhcnQ7ZmlsbDojRTg0MjM1JyA+TzwvdGV4dD4KPC9zdmc+Cg== O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 210000003284 Horns Anatomy 0.000 claims description 18
- 230000003014 reinforcing Effects 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 210000000614 Ribs Anatomy 0.000 description 8
- 238000003780 insertion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 208000002925 Dental Caries Diseases 0.000 description 1
- 210000003205 Muscles Anatomy 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000002457 bidirectional Effects 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000789 fastener Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
-
- 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
- F04D29/18—Rotors
- F04D29/181—Axial flow rotors
-
- 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
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/548—Specially adapted for liquid pumps
Abstract
The invention discloses a kind of submersible axial flow pump, including：Motor shaft, one end are supported in water suction end bearing, and the other end is supported in water outlet end bearing；Diffuser is sleeved on the outside of motor shaft；Impeller, on the excircle of motor shaft, wherein one end is located at the forepart of diffuser, and the other end is located at the rear portion of water suction end bearing；Rotor positioned at the outside of impeller, becomes one with impeller；And motor stator, it is fixedly connected mounted on the outside of rotor, and with diffuser.Compared with the prior art, submerged axial-flow pump component of the present invention is few, small, light-weight, stationary seal, can be more than 15 meters of normal uses in the depth of water, usage range is wide.
Description
Technical field
The invention belongs to submersible pump technical field, it is more particularly related to a kind of submersible axial flow pump.
Background technology
Submersible axial flow pump is that the active force that a kind of blade by rotary blade generates liquid makes liquid defeated in the axial direction
It send and the pump for the work that pulls the plug, is mainly made of dry type motor, hydraulic part and twice or three mechanical seals.
But this submersible axial flow pump size is big, weight is big, part is more, mobile and inconvenient to use, and due to there is twice
Or three mechanical seal, after dynamic sealing fails, influence water pump normal operation；In addition, the depth of water is often influencing axial-flow pump just
Conventional diving operates, and during normal operation, the depth of water is no more than 15 meters.
In view of this, a kind of part is few, small, light-weight, stationary seal it is necessory to providing, and is more than 15 in the depth of water
The submersible axial flow pump of energy normal use in the case of rice.
The content of the invention
It is an object of the invention to：Overcome the deficiencies of the prior art and provide a kind of part it is few, it is small, light-weight, be convenient for
Mobile, stationary seal, and be more than the submersible axial flow pump of 15 meters of energy normal uses in the depth of water.
In order to realize foregoing invention purpose, the present invention provides a kind of submersible axial flow pump, including：
Motor shaft, one end are supported in water suction end bearing, and the other end is supported in water outlet end bearing；
Diffuser is sleeved on the outside of motor shaft；
Impeller, on the excircle of the motor shaft, wherein one end is located at the forepart of the diffuser,
The other end is located at the rear portion of the water suction end bearing；
Rotor positioned at the outside of impeller, becomes one with impeller；And
Motor stator is fixedly connected mounted on the outside of rotor, and with the diffuser.
As a kind of improvement of submersible axial flow pump of the present invention, the diffuser end set has mounting hole, the water outlet
Bearing is mounted in the mounting hole.
As a kind of improvement of submersible axial flow pump of the present invention, the impeller is mounted on by key connection on the motor shaft.
As a kind of improvement of submersible axial flow pump of the present invention, the impeller is connected with rotor by wedge key is integrated into one
Body.
As a kind of improvement of submersible axial flow pump of the present invention, the sky flowed freely for medium is provided on the rotor
Chamber.
As a kind of improvement of submersible axial flow pump of the present invention, reinforcing rib, the cavity position are provided on the rotor
In on the reinforcing rib.
As a kind of improvement of submersible axial flow pump of the present invention, the impeller is connected with water-inlet horn pipe, the water-inlet horn
Pipe axial centre position is provided with the cylinder of radial rib connection, and circular hole, the water suction end bearing are provided in cylinder
In circular hole.
As a kind of improvement of submersible axial flow pump of the present invention, deflection cone is installed on the water-inlet horn pipe, deflection cone leads to
It crosses and is bolted on the cylinder of water-inlet horn pipe, the water-inlet horn pipe is fixedly attached to the motor stator by flange
On.
As a kind of improvement of submersible axial flow pump of the present invention, the diffuser is fixedly connected by flange with motor stator.
As a kind of improvement of submersible axial flow pump of the present invention, the water suction end bearing lubricates radial-axial for integrated water
Thrust bearing, the water outlet end bearing are water lubrication journal bearing.
Compared with the prior art, submersible axial flow pump of the present invention, without mechanical seal parts, is reduced by integrating
Number of devices, and size is small, light-weight, is limited especially suitable for installation space or the depth of water is more than 15 meters of occasion.
Description of the drawings
With reference to the accompanying drawings and detailed description, submersible axial flow pump of the present invention is described in detail, wherein：
Fig. 1 is the structure diagram of submersible axial flow pump of the present invention.
Reference numeral：
10- motor shafts；12- water suction end bearings；14- water outlet end bearings；16- diffusers；160- mounting holes；18- impellers；
20- rotors；200- reinforcing ribs；2000- cavitys；22- motor stators；24- water-inlet horn pipes；240- cylinders；300- footpaths
To muscle；26- deflection cones.
Specific embodiment
It is below in conjunction with attached drawing and specifically real in order to become apparent from the purpose of the present invention, technical solution and its technique effect
Mode is applied, the present invention will be described in further detail.It should be appreciated that the specific embodiment described in this specification is only
Merely to explaining the present invention, it is not intended to limit the present invention.
Refering to Figure 1, submersible axial flow pump of the present invention includes：
Motor shaft 10, one end are supported in water suction end bearing 12, and the other end is supported in water outlet end bearing 14；
Diffuser 16 is sleeved on the outside of motor shaft 10；
Impeller 18, on the excircle of motor shaft 10, wherein one end is located at the forepart of diffuser 16,
The other end is located at the rear portion of water suction end bearing 12；
Rotor 20 positioned at the outside of impeller 18, becomes one with impeller 18；And
Motor stator 22 is fixedly connected mounted on the outside of rotor 20, and with diffuser 16.
Motor shaft 10 is located at the centre of entire axial-flow pump, and one end insertion absorbs water in end bearing 12, other end insertion water outlet
In bearing 14, operationally, motor shaft 10 can rotate under the supporting role of bearings at both ends.
The end bearing 12 that absorbs water lubricates radial-axial thrust bearing for integrated water, and water outlet end bearing 14 is water lubrication radial direction
Bearing, integrated water lubrication radial-axial thrust bearing can bear radially and bear bidirectional propulsion, and absorb water end bearing 12
It is separately fixed at water outlet end bearing 14 on the end at 10 both ends of motor shaft.
Diffuser 16 is sleeved on the excircle of motor shaft 10, and one end of motor shaft 10 is all coated, water outlet axis
Holding 14 can be mounted in the structure outside 16 water outlet of diffuser, also can be in circle there are one the settings of the end position of diffuser 16
Mounting hole 160, water outlet end bearing 14 are mounted in mounting hole 160, and when motor operates, motor shaft 10 can be in diffuser 16 certainly
By rotating, mounting hole 160 is located at the middle position of 16 end of diffuser, by the way that water outlet end bearing 14 is fixed on diffuser 16
End, it is possible to reduce the quantity of parts shortens the length of motor shaft 10, can finally reduce the length of entire axial-flow pump, subtract
The weight of light axial-flow pump.
Impeller 18 is mounted on the excircle of motor shaft 10, and one end is located at the forepart (water inlet end) of diffuser 16, the other end
Positioned at the rear portion (water outlet) of water suction end bearing 12.In order to reduce amount of parts, impeller 18 passes through key connection with motor shaft 10
Become one structure.
Rotor 20 is fixedly installed on the excircle of impeller 18, is connected and become one with impeller 18 by wedge key,
For rotor 20 simultaneously in motor stator 22, motor stator 22 passes through the fasteners such as flange joint bolt or stud and nut
It is fixedly connected with diffuser 16, it is intermarginal in 22 outer rim of motor stator and rotor 20 to have gap.
By key connection, 20 3 motor shaft 10, impeller 18 and rotor part sets is finally made to become one structure, led to
Cross the setting of integrated morphology, and reduce amount of parts, can corresponding alleviator weight and volume, reduce assembling difficulty.
In order to further improve the strength and stiffness of rotor 20, reinforcing rib is symmetrically arranged on rotor 20
200, reinforcing rib 200 is radially arranged between rotor 20 and motor shaft 10, and the middle part of reinforcing rib 200 is provided with cavity
2000, operationally, medium being capable of the freely flowing in cavity 2000.
The end of impeller 18 is connected with water-inlet horn pipe 24, and 24 axial position of water-inlet horn pipe is provided with radial rib
The cylinders 240 of 300 connections are provided with circular hole in cylinder 240, and water suction end bearing 14 is mounted in the circular hole of cylinder 240,
Water-inlet horn pipe 24 is fixedly connected by flange joint bolt or stud and nut with motor stator 22.In order to reduce water inlet energy
Loss, the end of water-inlet horn pipe 24 is equipped with deflection cone 26, center line and 10 axis of motor shaft of deflection cone 26 by bolt
Line overlaps, and by setting deflection cone 26, can reduce the energy loss of water inlet flowing.
The assembling process of submersible axial flow pump of the present invention is：
1) component will be formed together with motor shaft 10, impeller 18 and 18 fixing assembling of rotor respectively；
2) water end (W.E.) bearing 14 is assembled in the mounting hole 160 of 16 end of diffuser；
3) the assembling suction side bearing 12 in water-inlet horn pipe 24；
4) diffuser 16 is fixedly connected with motor stator 22 by flange；
5) motor shaft 10 for being integrated with impeller 18 and rotor 20 is inserted into water outlet end bearing 14, by diffuser 16, gone out
Water end (W.E.) bearing 14, impeller 18 and rotor 20 are assembled together；
6) motor shaft 10 is inserted into water suction end bearing 12, and water-inlet horn pipe 24 is consolidated by flange and motor stator 22
It is fixed；
7) deflection cone 26 is fixed on water-inlet horn pipe 24 by bolt, completes assembling, obtain required submerged axial-flow
Pump.
Compared with the prior art, submersible axial flow pump of the present invention, without mechanical seal parts, is reduced by integrating
Number of devices, and size is small, light-weight, is limited especially suitable for installation space or the depth of water is more than 15 meters of occasion.
According to above-mentioned principle, the present invention can also carry out the above embodiment appropriate change and modification.Therefore, this hair
It is bright to be not limited to specific embodiment disclosed and described above, some modifications and changes of the present invention should also be as to fall into this
In the scope of the claims of invention.In addition, although some specific terms, these terms are used in this specification
Merely for convenience of description, do not limit the present invention in any way.
Claims (10)
1. a kind of submersible axial flow pump, which is characterized in that including：
Motor shaft, one end are supported in water suction end bearing, and the other end is supported in water outlet end bearing；
Diffuser is sleeved on the outside of motor shaft；
Impeller, on the excircle of the motor shaft, wherein one end is located at the forepart of the diffuser,
The other end is located at the rear portion of the water suction end bearing；
Rotor positioned at the outside of impeller, becomes one with impeller；And
Motor stator is fixedly connected mounted on the outside of rotor, and with the diffuser.
2. submersible axial flow pump according to claim 1, which is characterized in that the diffuser end set has mounting hole, institute
Water outlet end bearing is stated in the mounting hole.
3. submersible axial flow pump according to claim 1, which is characterized in that the impeller is mounted on the electricity by key connection
On arbor.
4. submersible axial flow pump according to claim 3, which is characterized in that the impeller is connected with rotor by wedge key
Become one.
5. submersible axial flow pump according to claim 4, which is characterized in that be provided on the rotor free for medium
The cavity of flowing.
6. submersible axial flow pump according to claim 5, which is characterized in that reinforcing rib, institute are provided on the rotor
Cavity is stated to be located on the reinforcing rib.
7. submersible axial flow pump according to claim 4, which is characterized in that the impeller is connected with water-inlet horn pipe, described
Water-inlet horn pipe axial centre position is provided with the cylinder of radial rib connection, and circular hole, the suction are provided in cylinder
Water end (W.E.) bearing is mounted in circular hole.
8. submersible axial flow pump according to claim 7, which is characterized in that deflection cone is installed on the water-inlet horn pipe,
Deflection cone is bolted on the cylinder of water-inlet horn pipe, and the water-inlet horn pipe is fixedly attached to described by flange
On motor stator.
9. submersible axial flow pump according to claim 1, which is characterized in that the diffuser is consolidated by flange and motor stator
Fixed connection.
10. submersible axial flow pump according to claim 1, which is characterized in that the water suction end bearing lubricates for integrated water
Radial-axial thrust bearing, the water outlet end bearing are water lubrication journal bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273594.3A CN108050079A (en) | 2017-12-06 | 2017-12-06 | Submersible axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273594.3A CN108050079A (en) | 2017-12-06 | 2017-12-06 | Submersible axial flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108050079A true CN108050079A (en) | 2018-05-18 |
Family
ID=62121947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711273594.3A CN108050079A (en) | 2017-12-06 | 2017-12-06 | Submersible axial flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108050079A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202414147U (en) * | 2011-11-21 | 2012-09-05 | 中国船舶重工集团公司第七一二研究所 | Integrated thruster |
| CN103452866A (en) * | 2013-09-17 | 2013-12-18 | 合肥恒大江海泵业股份有限公司 | Submersible axial-flow pump with inbuilt impeller |
| CN104389796A (en) * | 2014-11-15 | 2015-03-04 | 合肥恒大江海泵业股份有限公司 | Two-stage impeller embedded submersible axial-flow pump |
| CN206221295U (en) * | 2016-11-21 | 2017-06-06 | 扬州大学 | A kind of full-tubular two-way pump |
-
2017
- 2017-12-06 CN CN201711273594.3A patent/CN108050079A/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202414147U (en) * | 2011-11-21 | 2012-09-05 | 中国船舶重工集团公司第七一二研究所 | Integrated thruster |
| CN103452866A (en) * | 2013-09-17 | 2013-12-18 | 合肥恒大江海泵业股份有限公司 | Submersible axial-flow pump with inbuilt impeller |
| CN104389796A (en) * | 2014-11-15 | 2015-03-04 | 合肥恒大江海泵业股份有限公司 | Two-stage impeller embedded submersible axial-flow pump |
| CN206221295U (en) * | 2016-11-21 | 2017-06-06 | 扬州大学 | A kind of full-tubular two-way pump |
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Application publication date: 20180518 |