CN108869327A - A kind of low liquid level pump drainage pump of light-duty big flow - Google Patents
A kind of low liquid level pump drainage pump of light-duty big flow Download PDFInfo
- Publication number
- CN108869327A CN108869327A CN201710331081.7A CN201710331081A CN108869327A CN 108869327 A CN108869327 A CN 108869327A CN 201710331081 A CN201710331081 A CN 201710331081A CN 108869327 A CN108869327 A CN 108869327A
- Authority
- CN
- China
- Prior art keywords
- pump
- end cap
- water
- impeller
- water pump
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000004519 grease Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- 238000010057 rubber processing Methods 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009837 dry grinding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization 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
- F04D29/007—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
- F04D29/06—Lubrication
- F04D29/061—Lubrication 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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
- F04D29/2233—Construction and assembly entirely open or stamped from one sheet
-
- 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
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
-
- 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 present invention relates to immersible pump fields,More particularly to a kind of low liquid level pump drainage pump of light-duty big flow,It includes pump case and set on pump case lower end and the water pump end cap that is fixedly connected by bolt with pump case,The pump case upper portion side wall is equipped with discharge outlet,Power source is equipped in the pump case,The power source is by the motor base that is fixedly connected with pump case,Across motor base and pump case and the pump shaft extended at water pump end cap and the rotor core composition being sheathed on outside pump shaft,It is uniformly distributed inside the rotor core to be embedded with multiple groups permanent-magnet pole,The lower end of pump shaft is equipped with unshrouded impeller in the water pump end cap,The unshrouded impeller is locked by the way that impeller locking nut and pump shaft are fixed,The top of the water pump end cap swing-in impeller is equipped with the grease chamber being fixedly connected with water pump end cap,The grease chamber lower end is equipped with grease chamber end cap,The lower end of the water pump end cap is equipped with water sucking mouth.Device sealing lubrication function provided by the invention is strong, can do operation, and impeller be not easy it is stuck.
Description
Technical field
The present invention relates to immersible pump field more particularly to a kind of low liquid level pump drainage pumps of light-duty big flow.
Background technique
Agricultural irrigation will use immersible pump when either extracting road ponding, current immersible pump does not allow dry operation,
And sealing lubrication function is poor, and when extracting road ponding, since solid particulate matter impurity is relatively more, is easy to happen
The phenomenon that impeller is stuck or blocks the pump housing.
Summary of the invention
Technical problem to be solved by the invention is to provide sealing lubrication function is strong, operation can be done, and impeller is not allowed
A kind of low liquid level pump drainage pump of easily stuck light-duty big flow.
The present invention is to be achieved by the following technical programs：
The low liquid level pump drainage pump of a kind of light-duty big flow comprising pump case and be set to pump case lower end and pass through bolt and pump case
The water pump end cap being fixedly connected, the pump case upper portion side wall are equipped with discharge outlet, are equipped with power source, the power in the pump case
Source across motor base and pump case and the pump shaft that extends at water pump end cap and is arranged by the motor base that is fixedly connected with pump case
It is constituted in the rotor core outside pump shaft, it is uniformly distributed inside the rotor core to be embedded with multiple groups permanent-magnet pole, in the water pump end cap
The lower end of pump shaft is equipped with unshrouded impeller, and the unshrouded impeller is locked by the way that impeller locking nut and pump shaft are fixed, the water pump
The top of end cap swing-in impeller is equipped with the grease chamber being fixedly connected with water pump end cap, and the grease chamber lower end is equipped with grease chamber end cap, institute
The lower end for stating water pump end cap is equipped with water sucking mouth；
The pump case and water pump end cap are made of aluminum alloy materials；
The water sucking mouth of the water pump end cap, which is bolted, is equipped with water suction strainer；
The pump shaft grease chamber and with cooperation of the water pump end cap close to impeller at be respectively equipped with mechanical seal；
The water pump end cap is set with rubber guiding gutter between the mechanical seal and water pump end cap at the cooperation of impeller
Lid；
Line with rubber processing is respectively adopted in the overflowing end face of the pump case and water pump end cap；
The lower end of the motor base is fixedly connected with electric motor end cap, equipped with non-maintaining between the electric motor end cap and pump shaft
Bearing；
The pump case inner top is equipped with waterproof wiring terminal board, and the top of the waterproof wiring terminal board is equipped with cuts with scissors with pump case
The pump case lid connect；
Mechanical sealing static ring is installed at the grease chamber end cap.
The beneficial effects of the invention are as follows：
The low liquid level pump drainage pump of a kind of light-duty big flow comprising pump case and be set to pump case lower end and pass through bolt and pump case
The water pump end cap being fixedly connected, is equipped with power source in the pump case, the power source by the motor base that is fixedly connected with pump case,
It is constituted across motor base and pump case and the pump shaft that extends at water pump end cap and the rotor core being sheathed on outside pump shaft, described turn
Sub- core interior it is uniformly distributed be embedded with multiple groups permanent-magnet pole, use magneto for power source in this way, degree of protection IP68 makes whole
Machine security performance and efficiency greatly improve；
In the water pump end cap lower end of pump shaft be equipped with unshrouded impeller, the unshrouded impeller by impeller locking nut with
The fixed locking of pump shaft can be prevented the blocking pump housing, pass through impeller locking screw using unshrouded impeller by general solid particle
Impeller and the fixed locking of pump shaft can be prevented impeller from jumping during the work time by mother；
The top of the water pump end cap swing-in impeller is equipped with the grease chamber being fixedly connected with water pump end cap, in this way in grease chamber
Filling silicon oil can be mechanical seal lubrication, prevent the generation of water pump dry grinding phenomenon, and water pump can be realized the function of dry operation
Can, substantially increase the service life of sealing；
The pump case upper portion side wall is equipped with discharge outlet, and the lower end of the water pump end cap is equipped with water sucking mouth, dives under water in this way
Pump is capable of the ponding of the shallower position of pump drainage by the way of draining in lower water suction；
The pump case and water pump end cap are made of aluminum alloy materials, and quality mitigates significantly compared with traditional immersible pump；
The water sucking mouth of the water pump end cap, which is bolted, is equipped with water suction strainer, can contain in effective filter sewage
The larger solid particle having, prevents impeller or the pump housing stuck；
The pump shaft grease chamber and with cooperation of the water pump end cap close to impeller at be respectively equipped with mechanical seal, in this way using double
End surface mechanical sealing has carried out double protection compared with traditional Single Mechanical sealing, sealing performance is more reliable；
The water pump end cap is set with rubber guiding gutter between the mechanical seal and water pump end cap at the cooperation of impeller
Lid, the water at mechanical seal can be exported, and anti-water-stop body enters in mechanical seal, and further extend sealing uses the longevity
Life；
Line with rubber processing is respectively adopted in the overflowing end face of the pump case and water pump end cap, in the case where cavity volume is constant,
Not only it can increase water pump seamless energy, but also elastic deformation can be increased, prevent big particulate matter when passing through by impeller or pump housing card
Extremely；
The lower end of the motor base is fixedly connected with electric motor end cap, equipped with non-maintaining between the electric motor end cap and pump shaft
Bearing, it is not only easy to use, it is hardly damaged, and reduce the financial resource and material resource as caused by maintenance and lose；
The pump case inner top is equipped with waterproof wiring terminal board, and the top of the waterproof wiring terminal board is equipped with cuts with scissors with pump case
The pump case lid connect, cable are easier to wear at port, need to be replaced frequently when entering in the pump housing, fill in pump case inner top
There is waterproof wiring terminal board, when cable is replaced in maintenance without dismantling pump case, need to only open pump case lid be can be replaced, very
It is convenient and efficient；
Mechanical sealing static ring is installed at the grease chamber end cap, is conducive to increase sealing effect.
Detailed description of the invention
Fig. 1 is schematic cross-sectional view of the invention；
In figure：1. pump shaft, 2. pump cases, 3. grease chambers, 4. grease chamber end caps, 5. electric motor end caps, 6. water sucking mouths, 7. impeller locking screws
Mother, 8. unshrouded impellers, 9. end cap mechanical seals, 10. grease chamber mechanical seals, 11. non-maintaining bearings, 12. motor bases, 13. turns
Sub- iron core, 14. discharge outlet, 15. waterproof wiring terminal boards, 16. pump case lids, 17. water pump end caps, 18. water suction strainers, 19. rubber
Water guide slot cover, 20. line with rubber.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and most
The present invention is described in further detail for good embodiment.
As shown, a kind of low liquid level pump drainage pump of light-duty big flow comprising pump case 2 and set on pump case lower end and pass through
The water pump end cap 17 that bolt is fixedly connected with pump case, the pump case upper portion side wall are equipped with discharge outlet 14, are equipped in the pump case
Power source, the power source across motor base and pump case and extend to water pump by the motor base 12 being fixedly connected with pump case
Pump shaft 1 at end cap and the rotor core 13 being sheathed on outside pump shaft are constituted, uniformly distributed inside the rotor core to be embedded with multiple groups
Permanent-magnet pole (not shown), the lower end of pump shaft is equipped with unshrouded impeller 8 in the water pump end cap, and the unshrouded impeller passes through impeller lock
Tight nut 7 is equipped with the oil being fixedly connected with water pump end cap with the fixed locking of pump shaft, the top of the water pump end cap swing-in impeller
Room 3, the grease chamber lower end are equipped with grease chamber end cap 4, and the lower end of the water pump end cap is equipped with water sucking mouth 6；
Optimization, pump case and water pump end cap are made of aluminum alloy materials；
Further, the water sucking mouth of water pump end cap, which is bolted, is equipped with water suction strainer 18；
Further, pump shaft with grease chamber cooperation at be equipped with grease chamber mechanical seal 10, in the matching close to impeller with water pump end cap
End cap mechanical seal 9 is equipped at conjunction；
Further, rubber water guide is set between mechanical seal and water pump end cap of the water pump end cap at the cooperation of impeller
Slot cover 19；
Further, the processing of line with rubber 20 is respectively adopted in the overflowing end face of pump case and water pump end cap, and glue lining here can be with phase
The pump case answered and the hot-cast of water pump end cap are together；
Further, the lower end of motor base is fixedly connected with electric motor end cap 5, is equipped with and exempts between the electric motor end cap and pump shaft
Safeguard bearing 11；
Further, pump case inner top is equipped with waterproof wiring terminal board 15, the top of the waterproof wiring terminal board be equipped with
The hinged pump case lid 16 of pump case；
Further, mechanical sealing static ring (not shown) is equipped at grease chamber end cap.
When dive under water pump work when, pump shaft rotation, drive unshrouded impeller rotation, by water body from the water sucking mouth of water pump end cap inhale
Enter into casing cap, by the rotation of impeller, is arranged at the discharge outlet in pump case upper portion side wall that drive water body moves up to
Out.
Due to a kind of low liquid level pump drainage pump of light-duty big flow comprising pump case and be set to pump case lower end and by bolt with
The water pump end cap that pump case is fixedly connected, is equipped with power source in the pump case, and the power source is by the motor that is fixedly connected with pump case
Pedestal is constituted across motor base and pump case and the pump shaft that extends at water pump end cap and the rotor core being sheathed on outside pump shaft,
It is uniformly distributed inside the rotor core to be embedded with multiple groups permanent-magnet pole, use magneto for power source in this way, degree of protection is
IP68 greatly improves complete machine security performance and efficiency；
In the water pump end cap lower end of pump shaft be equipped with unshrouded impeller, the unshrouded impeller by impeller locking nut with
The fixed locking of pump shaft can be prevented the blocking pump housing, pass through impeller locking screw using unshrouded impeller by general solid particle
Impeller and the fixed locking of pump shaft can be prevented impeller from jumping during the work time by mother；
The top of the water pump end cap swing-in impeller is equipped with the grease chamber being fixedly connected with water pump end cap, in this way in grease chamber
Filling silicon oil can be mechanical seal lubrication, prevent the generation of water pump dry grinding phenomenon, and water pump can be realized the function of dry operation
Can, substantially increase the service life of sealing；
The pump case upper portion side wall is equipped with discharge outlet, and the lower end of the water pump end cap is equipped with water sucking mouth, dives under water in this way
Pump is capable of the ponding of the shallower position of pump drainage by the way of draining in lower water suction；
The pump case and water pump end cap are made of aluminum alloy materials, and quality mitigates significantly compared with traditional immersible pump；
The water sucking mouth of the water pump end cap, which is bolted, is equipped with water suction strainer, can contain in effective filter sewage
The larger solid particle having, prevents impeller or the pump housing stuck；
The pump shaft grease chamber and with cooperation of the water pump end cap close to impeller at be respectively equipped with mechanical seal, in this way using double
End surface mechanical sealing has carried out double protection compared with traditional Single Mechanical sealing, sealing performance is more reliable；
The water pump end cap is set with rubber guiding gutter between the mechanical seal and water pump end cap at the cooperation of impeller
Lid, the water at mechanical seal can be exported, and anti-water-stop body enters in mechanical seal, and further extend sealing uses the longevity
Life；
Line with rubber processing is respectively adopted in the overflowing end face of the pump case and water pump end cap, in the case where cavity volume is constant,
Not only it can increase water pump seamless energy, but also elastic deformation can be increased, prevent big particulate matter when passing through by impeller or pump housing card
Extremely；
The lower end of the motor base is fixedly connected with electric motor end cap, equipped with non-maintaining between the electric motor end cap and pump shaft
Bearing, it is not only easy to use, it is hardly damaged, and reduce the financial resource and material resource as caused by maintenance and lose；
The pump case inner top is equipped with waterproof wiring terminal board, and the top of the waterproof wiring terminal board is equipped with cuts with scissors with pump case
The pump case lid connect, cable are easier to wear at port, need to be replaced frequently when entering in the pump housing, fill in pump case inner top
There is waterproof wiring terminal board, when cable is replaced in maintenance without dismantling pump case, need to only open pump case lid be can be replaced, very
It is convenient and efficient；
It is equipped with mechanical sealing static ring at the grease chamber end cap, is conducive to increase sealing effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of low liquid level pump drainage pump of light-duty big flow, it is characterized in that：Including pump case and set on pump case lower end and pass through bolt
The water pump end cap being fixedly connected with pump case, the pump case upper portion side wall are equipped with discharge outlet, are equipped with power source, institute in the pump case
Power source is stated by the motor base being fixedly connected with pump case, across motor base and pump case and extends to the pump shaft at water pump end cap
And be sheathed on rotor outside pump shaft and constitute, it is uniformly distributed inside the rotor core to be embedded with multiple groups permanent-magnet pole, the water pump end cap
The lower end of interior pump shaft is equipped with unshrouded impeller, and the unshrouded impeller is locked by the way that impeller locking nut and pump shaft are fixed, the water
The top of pump end cap swing-in impeller is equipped with the grease chamber being fixedly connected with water pump end cap, and the grease chamber lower end is equipped with grease chamber end cap,
The lower end of the water pump end cap is equipped with water sucking mouth.
2. a kind of low liquid level pump drainage pump of light-duty big flow according to claim 1, it is characterized in that：The pump case and water pump end
Lid is made of aluminum alloy materials.
3. a kind of low liquid level pump drainage pump of light-duty big flow according to claim 1, it is characterized in that：The suction of the water pump end cap
It is bolted at the mouth of a river and water suction strainer is installed.
4. a kind of low liquid level pump drainage pump of light-duty big flow according to claim 1, it is characterized in that：The pump shaft in grease chamber and
Mechanical seal is respectively equipped at the cooperation of impeller with water pump end cap.
5. a kind of low liquid level pump drainage pump of light-duty big flow according to claim 1, it is characterized in that：The water pump end cap is close
Rubber water guide slot cover is set between mechanical seal at the cooperation of impeller and water pump end cap.
6. a kind of low liquid level pump drainage pump of light-duty big flow according to claim 1, it is characterized in that：The pump case and water pump end
Line with rubber processing is respectively adopted in the overflowing end face of lid.
7. a kind of low liquid level pump drainage pump of light-duty big flow according to claim 1, it is characterized in that：Under the motor base
End is fixedly connected with electric motor end cap, and non-maintaining bearing is housed between the electric motor end cap and pump shaft.
8. a kind of low liquid level pump drainage pump of light-duty big flow according to claim 1, it is characterized in that：The pump case inner top dress
There is waterproof wiring terminal board.
9. a kind of low liquid level pump drainage pump of light-duty big flow according to claim 1, it is characterized in that：Pacify at the grease chamber end cap
Equipped with mechanical sealing static ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331081.7A CN108869327A (en) | 2017-05-11 | 2017-05-11 | A kind of low liquid level pump drainage pump of light-duty big flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331081.7A CN108869327A (en) | 2017-05-11 | 2017-05-11 | A kind of low liquid level pump drainage pump of light-duty big flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108869327A true CN108869327A (en) | 2018-11-23 |
Family
ID=64319545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710331081.7A Pending CN108869327A (en) | 2017-05-11 | 2017-05-11 | A kind of low liquid level pump drainage pump of light-duty big flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108869327A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035008U (en) * | 1988-05-28 | 1989-03-29 | 济宁市水泵厂 | Self-cooled electric submersible pump |
| CN202718883U (en) * | 2012-08-29 | 2013-02-06 | 湖南朝阳机电股份有限公司 | Double-suction submersible electric pump with double locking devices |
| CN103016359A (en) * | 2012-09-25 | 2013-04-03 | 山东星源矿山设备集团有限公司 | High-flow low-lift mining submersible sewage electric pump |
| CN103629118A (en) * | 2013-12-10 | 2014-03-12 | 江苏大学 | Vertical pipeline permanent magnet canned motor pump |
| CN203560108U (en) * | 2013-12-02 | 2014-04-23 | 温岭市金翼机电有限公司 | Submersible pump |
| CN206785663U (en) * | 2017-05-11 | 2017-12-22 | 汉能（天津）工业泵有限公司 | A kind of low liquid level pump drainage pump of light-duty big flow |
-
2017
- 2017-05-11 CN CN201710331081.7A patent/CN108869327A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035008U (en) * | 1988-05-28 | 1989-03-29 | 济宁市水泵厂 | Self-cooled electric submersible pump |
| CN202718883U (en) * | 2012-08-29 | 2013-02-06 | 湖南朝阳机电股份有限公司 | Double-suction submersible electric pump with double locking devices |
| CN103016359A (en) * | 2012-09-25 | 2013-04-03 | 山东星源矿山设备集团有限公司 | High-flow low-lift mining submersible sewage electric pump |
| CN203560108U (en) * | 2013-12-02 | 2014-04-23 | 温岭市金翼机电有限公司 | Submersible pump |
| CN103629118A (en) * | 2013-12-10 | 2014-03-12 | 江苏大学 | Vertical pipeline permanent magnet canned motor pump |
| CN206785663U (en) * | 2017-05-11 | 2017-12-22 | 汉能（天津）工业泵有限公司 | A kind of low liquid level pump drainage pump of light-duty big flow |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206785663U (en) | A kind of low liquid level pump drainage pump of light-duty big flow | |
| CN204900281U (en) | Can make up portable emergency flood fighting of formula ultralight dive oblique flow pump | |
| CN109869323A (en) | Amphibious multistage pump | |
| CN203500031U (en) | Amphibious multistage pump | |
| ATE395979T1 (en) | SEPARATOR | |
| CN205533263U (en) | High -efficient multi -functional water pump | |
| CN204082575U (en) | diving cutting dredge pump | |
| CN105485026A (en) | Ultra-light portable bucket type submersible electric pump | |
| CN108869327A (en) | A kind of low liquid level pump drainage pump of light-duty big flow | |
| CN203441772U (en) | Mine submersible electric pump with double-channel impeller | |
| CN207349118U (en) | A kind of spiral double-suction type immersible pump of microlight-type permanent-magnetic variable-frequency | |
| CN204941988U (en) | A kind of direct acting delta-connection sewage pump | |
| CN210397157U (en) | Submersible double-suction electric pump | |
| CN213331569U (en) | Safe semi-submersible type floating pump | |
| CN210769356U (en) | Three-in-one water pump | |
| CN208619374U (en) | A kind of adjustable immersible pump with filtering anti-blocking function | |
| CN208138156U (en) | The low liquid level pump drainage pump of light-duty big flow | |
| CN212615428U (en) | Immersible pump with filtering capability | |
| CN201377439Y (en) | Self-priming front-mounted pump with high suction lift | |
| CN208669615U (en) | A kind of intelligent cold-hot water self priming vortex pump | |
| CN203098304U (en) | Inlet flow-guide submerged pump | |
| CN206280266U (en) | One kind can soaking type draining pump | |
| CN110285075A (en) | A kind of diving double suction electric pump | |
| CN218971449U (en) | Submersible sand discharging pump integrated with pumping wheel type mechanical seal | |
| CN108443164A (en) | The low liquid level pump drainage pump of light-duty big flow |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181123 |