CN113719453A - Cutting type axial flow water pump - Google Patents
Cutting type axial flow water pump Download PDFInfo
- Publication number
- CN113719453A CN113719453A CN202111110340.6A CN202111110340A CN113719453A CN 113719453 A CN113719453 A CN 113719453A CN 202111110340 A CN202111110340 A CN 202111110340A CN 113719453 A CN113719453 A CN 113719453A
- Authority
- CN
- China
- Prior art keywords
- pump
- cutting
- impeller
- axial flow
- driving motor
- 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.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D3/00—Axial-flow pumps
- F04D3/005—Axial-flow pumps with a conventional single stage rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
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- 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
-
- 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
- F04D29/007—Details, component parts, or accessories especially 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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/528—Casings; Connections of working fluid for axial pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the field of fluid machinery, in particular to a cutting type axial flow water pump, which comprises a driving motor and a pump shell, wherein one end of the pump shell, which is close to the driving motor, is provided with a fluid inlet, the driving end of the driving motor is connected with a pump shaft, the pump shaft is positioned in the pump shell, the outer peripheral surface of a shaft body is sequentially sleeved with a cutting ring and an impeller along the flow direction of fluid, the outer peripheral surface of the cutting ring is fixedly connected with the inner wall of the pump shell, the impeller is fixed with the outer peripheral surface of the pump shaft through a positioning pin, a blade is arranged in a cutting ring body, the blade edge of the blade is attached to the bottom of the blade arranged on the outer peripheral surface of the impeller, compared with the traditional axial flow pump, the cutting ring device is additionally arranged, the cutting ring device can effectively cut and crush large solid impurities in water, the water wheel is prevented from being damaged due to the cassette of the large solid impurities, and meanwhile, a filter screen is not required to be arranged at the inlet of the axial flow pump to avoid long-term operation, the filter screen at the inlet of the water pump is blocked, so that the cavitation of the water wheel is caused, the output is reduced, the requirement on water quality is low, and the application range is wide.
Description
Technical Field
The invention relates to the field of fluid machinery, in particular to a cutting type axial flow water pump.
Background
The axial-flow pump is characterized in that the axial-flow pump enables liquid to be conveyed along the axial direction by means of acting force of blades of a rotating impeller on the liquid, the axial-flow pump is of a vertical type, a horizontal type, an inclined type and a cross-flow type, the axial-flow pump rotates in a circular tube-shaped pump shell, fixed guide vanes are arranged on the pump shell on the upper portion of the impeller and used for eliminating the rotating motion of the liquid, enabling the rotating motion to be changed into axial motion and converting kinetic energy of the rotating motion into pressure energy, and in a scene that the axial-flow pump is used in water conservancy projects, due to the fact that pumped water contains sundries, aquatic weeds and the like, if the pumped water cannot be cleaned in time after long-time use, a water inlet pipe is blocked, and the whole pumping effect is poor.
Disclosure of Invention
The invention aims to overcome the technical defects and provide a cutting type axial flow water pump.
In order to solve the technical problems, the technical scheme provided by the invention is a cutting type axial flow water pump which comprises a driving motor and a pump shell, wherein a fluid inlet is formed in one end, close to the driving motor, of the pump shell, the driving end of the driving motor is connected with a pump shaft, the pump shaft is positioned in the pump shell, a cutting ring and an impeller are sequentially sleeved on the outer circumferential surface of a shaft body in the pump shell along the flow direction of a fluid, the outer circumferential surface of the cutting ring is fixedly connected with the inner wall of the pump shell, the impeller and the outer circumferential surface of the pump shaft are fixed through a positioning pin, a blade is arranged in a cutting ring body, and the cutting edge of the blade is attached to the bottom of the blade arranged on the outer circumferential surface of the impeller.
As an improvement, a connecting sheet is arranged at the inlet of the pump shell, the other end of the connecting sheet is provided with a mounting ring, and the mounting ring is fixedly connected with the driving motor through a bolt.
As an improvement, an outlet pipe is arranged at the outlet of the pump shell, and the pump shell is in threaded connection with the outlet pipe.
As an improvement, an outlet pipe is arranged at an outlet of the pump shell, and the pump shell is connected with the outlet pipe through a flange.
As an improvement, the end part of the pump shaft is provided with a mounting sleeve for fixing the impeller along the axial direction.
As an improvement, one end of the driving motor, which is close to the pump shell, is provided with a power line.
As an improvement, the driving motor adopts a permanent magnet brushless motor.
As an improvement, the pump shell is made of stainless steel, the cutting ring and the impeller body are made of alloy steel, and chrome is plated on the surfaces of the cutting ring and the impeller.
Compared with the prior art, the invention has the advantages that:
1. compared with the traditional axial flow pump, the added cutting ring device can effectively cut and crush massive solid impurities in water, avoids the water wheels from being damaged due to the cassette of the massive solid impurities, does not need to arrange a filter screen at the inlet of the axial flow pump, avoids long-term operation, prevents the filter screen at the inlet of the water pump from being blocked, further causes cavitation of the water wheels, reduces output force, has low requirement on water quality and has wide application range;
2. can design into different size according to the use place of difference, both can be suitable for the drainage in small-size place, also can be used for the drainage of large-scale municipal works, when designing for small-size water pump, can use low pressure safety power, the axial-flow pump still has the flow big simultaneously, strong adaptability's advantage.
Drawings
FIG. 1 is a schematic view of the external structure of a water pump;
FIG. 2 is a schematic diagram of an exploded structure of the water pump;
fig. 3 is a schematic view of the internal connection structure of the water pump.
As shown in the figure: 1. the device comprises a driving motor, 2, a pump shell, 201, a connecting piece, 202, a mounting ring, 3, a pump shaft, 4, a cutting ring, 401, a blade, 5, an impeller, 6, a mounting sleeve, 7, an outlet pipe, 8, a power line, 9 and a bolt.
Detailed Description
The following describes a cutting type axial flow water pump according to the present invention in further detail with reference to the accompanying drawings.
With reference to fig. 1-3, a cutting type axial flow water pump includes a driving motor 1 and a pump case 2, a fluid inlet is formed at one end of the pump case 2 close to the driving motor 1, a driving end of the driving motor 1 is connected with a shaft of the pump shaft 3, the pump shaft 3 is located on the outer peripheral surface of a shaft body inside the pump case 2, and a cutting ring 4 and an impeller 5 are sequentially sleeved along the flow direction of a fluid, the outer peripheral surface of the cutting ring 4 is fixedly connected with the inner wall of the pump case 2, the impeller 5 is fixed with the outer peripheral surface of the pump shaft 3 through a positioning pin, a blade 401 is arranged inside a ring body of the cutting ring 4, and the cutting edge of the blade 401 is attached to the bottom of a blade arranged on the outer peripheral surface of the impeller 5.
As a preferred embodiment of the present embodiment, a connecting piece 201 is arranged at the inlet of the pump housing 2, the other end of the connecting piece 201 is provided with a mounting ring 202, and the mounting ring 202 is fixedly connected with the driving motor 1 through a bolt 9.
As the preferred embodiment of the embodiment, the outlet of the pump shell 2 is provided with the outlet pipe 7, and the pump shell 2 is in threaded connection with the outlet pipe 7.
As a preferred embodiment of the present embodiment, the outlet of the pump casing 2 is provided with an outlet pipe 7, and the pump casing 2 is connected with the outlet pipe 7 through a flange.
As a preferred embodiment of the present embodiment, the end of the pump shaft 3 is provided with a mounting sleeve 6 for fixing the impeller 5 in the axial direction.
As a preferred embodiment of the present embodiment, the driving motor 1 is provided with a power cord 8 at an end close to the pump housing 2.
As a preferred embodiment of the present embodiment, the driving motor 1 is a permanent magnet brushless motor.
In a preferred embodiment of the present invention, the pump casing 2 is made of stainless steel, the cutting ring 4 and the impeller 5 are made of alloy steel, and the cutting ring 4 and the impeller 5 are chrome-plated.
In the specific implementation of the invention, the driving motor 1 is started, the mounting ring 202 arranged at one end of the pump shell 2 is fixedly connected with the driving motor 1 through the bolt 9, fluid flows into the interior of the pump shell through the inlet of the pump shell 2, the cutting ring 4 is fixed with the interior of the pump shell 2, the impeller 5 fixed with the pump shaft 3 rotates, and when solid impurities in water flow through the cutting ring 4, the blades 401 and the blades of the impeller 5 rapidly cut and crush the fixed impurities.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a cutting formula axial compressor water pump, includes driving motor (1) and pump case (2), pump case (2) are close to driving motor (1) one end and are fluid inlet, its characterized in that: the utility model discloses a cutting device, including driving motor (1), pump shaft (3), cutting ring (4) and impeller (5) are established to the cover in proper order along the fluid flow direction on the inside axis body outer peripheral face of pump case (2), cutting ring (4) outer peripheral face and pump case (2) inner wall fixed connection, it is fixed through the locating pin between impeller (5) and the pump shaft (3) outer peripheral face, cutting ring (4) ring body inside is equipped with blade (401), blade (401) cutting edge with set up in the laminating of the blade bottom of impeller (5) outer peripheral face.
2. The cutting type axial flow water pump according to claim 1, wherein: the pump case (2) entrance is equipped with connection piece (201), the connection piece (201) other end with be equipped with collar (202), collar (202) pass through bolt (9) and driving motor (1) fixed connection.
3. The cutting type axial flow water pump according to claim 1, wherein: an outlet pipe (7) is arranged at the outlet of the pump shell (2), and the pump shell (2) is in threaded connection with the outlet pipe (7).
4. The cutting type axial flow water pump according to claim 1, wherein: an outlet pipe (7) is arranged at the outlet of the pump shell (2), and the pump shell (2) is connected with the outlet pipe (7) through a flange.
5. The cutting type axial flow water pump according to claim 1, wherein: and the end part of the pump shaft (3) is provided with an installation sleeve (6) for fixing the impeller (5) along the axial direction.
6. The cutting type axial flow water pump according to claim 1, wherein: and a power line (8) is arranged at one end of the driving motor (1) close to the pump shell (2).
7. The cutting type axial flow water pump according to claim 1, wherein: the driving motor (1) adopts a permanent magnet brushless motor.
8. The cutting type axial flow water pump according to claim 1, wherein: the pump shell (2) is made of stainless steel, the cutting ring (4) and the impeller (5) body are made of alloy steel, and the surfaces of the cutting ring (4) and the impeller (5) are plated with chrome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110340.6A CN113719453A (en) | 2021-09-23 | 2021-09-23 | Cutting type axial flow water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110340.6A CN113719453A (en) | 2021-09-23 | 2021-09-23 | Cutting type axial flow water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113719453A true CN113719453A (en) | 2021-11-30 |
Family
ID=78684892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111110340.6A Withdrawn CN113719453A (en) | 2021-09-23 | 2021-09-23 | Cutting type axial flow water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113719453A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118489410A (en) * | 2024-06-21 | 2024-08-16 | 华中农业大学 | Amphibious lotus root harvester based on split type multi-pump combination jet system |
-
2021
- 2021-09-23 CN CN202111110340.6A patent/CN113719453A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118489410A (en) * | 2024-06-21 | 2024-08-16 | 华中农业大学 | Amphibious lotus root harvester based on split type multi-pump combination jet system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211130 |