CN202789583U - High-lift floating type impeller submersible pump for well - Google Patents
High-lift floating type impeller submersible pump for well Download PDFInfo
- Publication number
- CN202789583U CN202789583U CN 201220321287 CN201220321287U CN202789583U CN 202789583 U CN202789583 U CN 202789583U CN 201220321287 CN201220321287 CN 201220321287 CN 201220321287 U CN201220321287 U CN 201220321287U CN 202789583 U CN202789583 U CN 202789583U
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- impeller
- pump shaft
- inlet casing
- blower inlet
- flow guide
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Abstract
Disclosed is a high-lift floating type impeller submersible pump for a well. A submersible motor is fixed at the lower end of a water feeding section. A connecting seat is fixed at the upper end of the water feeding section. A first-stage impeller is arranged inside a connecting seat inner cavity. A first-stage flow guide shell is arranged on the connecting seat. A second-stage impeller is arranged inside a first-stage flow guide shell inner cavity. A second-stage flow guide shell is arranged on the first-stage flow guide shell. A third-stage impeller is arranged inside a second-stage flow guide shell inner cavity. A final-stage impeller is arranged inside a former-stage flow guide inner cavity. A final-stage flow guide shell is arranged on a former flow guide shell. The impellers are sleeved on a pump shaft through key connection and can move in a radial direction along the pump shaft. A water outlet seat is arranged on the final-stage flow guide shell. The water feeding section, the connecting seat, the flow guide shells and the water outlet seat are respectively fixed and sealed through tie pieces in a tightening mode. Intervals for impeller moving are preset between the upper end faces of the impellers and the lower end faces of the flow guide shells. According to the high-lift floating type impeller submersible pump for the well, automatic balance of radial force is achieved, operation is stable and reliable, service life of the motor is prolonged, and bump efficiency and single-stage lift are improved.
Description
Technical field
The utility model belongs to the Submersible Pump technical field, is specifically related to a kind of high-lift floating type impeller Submersible Pump.
Background technique
Existing Submersible Pump is assembled by component multistage-combinations such as submersible motor, water inlet joint, impeller, stator, pump case, pump shaft, effluent seats, pump shaft passes to impeller with motor power during work, and the impeller acting conducts to the next stage impeller with current by stator.There is following defective:
1, because impeller adopts step by step compressing structure of axial restraint, and the single-stage impeller does not possess the voluntarily ability of up-down adjustment, the pressure difference that the impeller front and rear cover plate produces during work generates axial force, passes to step by step to motor, causes motor load fragile greatly.It is general that axial force is decomposed or Equilibrator is eliminated axial force by installing.
2, because there is machining error (being generally 0 to 0.1 millimeter) in impeller, after the multistage assembling (more than 30 grades, namely totally assemble 30 impellers), the accumulative total machining error that produces can be offset submersible pump general arrangement shifting amount (being generally 3.5 millimeters), and final effectively shifting amount is 0, even be negative, cause impeller stuck, can't turn round, high-lift (more than 600 meters) multistage pump is particularly outstanding.
When 3, working, current conduct to stator through the impeller acting, and stator adopts front-back two-sided stator, and current have some setbacks, and hydraulic loss is large, and efficient is low, and single-stage lift is low.
4, upper pump case place adopts set screw nut to compress, and set screw nut is subjected to water erosion for a long time, and the dead phenomenon of becoming rusty is serious, is not easy to installation and maintenance, and has increased the component such as axle sleeve, and cost is high.
5, every grade of water diversion part is comprised of pump case, stator, has increased parts machining quantity, and cost of production is high.
6, the impeller inlet place adopts seal ring structure, and after Submerged Motor Pumps was shut down, the silt in the water can be deposited in impeller inlet ring place, when again starting, the stuck or motor load of impeller is strengthened, and causes can't start or motor overload work and burning.
Summary of the invention
The technical problem that the utility model solves: design a kind of high-lift floating type impeller Submersible Pump, floating type Impeller Design makes every one-level impeller all have the voluntarily ability of up-down adjustment, axial force decomposition or Equilibrator need not be installed during use just can realize axial force automatic balancing, prolonged motor working life, and make the impeller height machining error not possess accumulative total property, conductivity, eliminated manifesting that the pump housing that causes owing to impeller height accumulative total machining error is stuck, can not turn round; The design of streamlined water outlet and blower inlet casing carry the design of flow guide structure, make current more smooth and easy, and have reduced product component, have reduced cost of production, and installation and maintenance are more convenient, have improved pump efficiency and single-stage lift; In addition, floating type Impeller Design has been cancelled the seal ring structure at impeller inlet place, adopts impeller lower cover plate lower, planar to contact sealing configuration with liner plate, the generation of impeller stuck phenomenon when having avoided restarting.
The technical solution that the utility model adopts: a kind of high-lift floating type impeller Submersible Pump, have into water and save, submersible motor is fixed on the lower end surface of water joint, the lower end of pump shaft is passed into the water joint and is connected with the main shaft of submersible motor, and connecting base is enclosed within on the pump shaft and is fixedly mounted on the upper-end surface of water joint; First order impeller is contained on the pump shaft by the key connecting sleeve and is arranged in the connecting base inner chamber also can be along the pump shaft axial float, first order blower inlet casing is sleeved on the pump shaft and its lower end is arranged in the inner chamber of connecting base, second level impeller is contained on the pump shaft by the key connecting sleeve and is arranged in first order blower inlet casing inner chamber also can be along the pump shaft axial float, second level blower inlet casing is sleeved on the pump shaft and its lower end is arranged in the inner chamber of first order blower inlet casing, third level impeller is contained on the pump shaft by the key connecting sleeve and is arranged in second level blower inlet casing inner chamber also can be along the pump shaft axial float, until be contained in pump shaft on by the key connecting sleeve afterbody impeller and be arranged in previous stage blower inlet casing inner chamber and can be along the pump shaft axial float, the afterbody blower inlet casing is sleeved on the pump shaft and its lower end is arranged in the inner chamber of previous stage blower inlet casing; Effluent seat is sleeved on the pump shaft and is positioned on the upper-end surface of afterbody blower inlet casing; Described water inlet joint, connecting base, the first order to afterbody blower inlet casing and effluent seat by the lacing wire sealing that is strained and fixed, and make the play gap of reserving impeller between impeller upper-end surface and the blower inlet casing lower end surface.
Described water inlet joint, blower inlet casing and effluent seat all are supported on the pump shaft by the rubber bush bearing suit.
Be bonded with liner plate on the inner chamber bottom surface of described connecting base, blower inlet casing.
The exterior edge face of described impeller is acclivitous scarf, distributing auger shape guide channel in the described blower inlet casing, and the water intake of impeller is corresponding with the water outlet of spirality guide channel, and the water outlet of impeller is corresponding with the water intake of spirality guide channel.
Have streamlined exhalant canal in the described effluent seat, and the water intake of exhalant canal is corresponding with the water outlet of afterbody blower inlet casing.
The advantage that the utility model compared with prior art has and effect:
1, impeller described in the utility model adopts and does not axially fixedly mount, be floating structure, has the voluntarily ability of up-down adjustment, when pump working, the active force of current makes between the forward and backward cover plate of impeller and produces pressure difference, back shroud place pressure is greater than the front shroud place, effect by pressure difference, make impeller along the pump shaft play, reach the pressure difference balance, the downward reaction force axial force that produces when can the balance Submerged Motor Pumps upwards promoting current during work realizes axial force automatic balancing, has prolonged motor working life.
2, impeller outer end face described in the utility model is the scarf mode of structure, can make pressure difference produce a stably transition, and it is too fast to prevent that play from changing quick-action, produces strong impaction, and smooth running is reliable.
3, the utility model need not install that axial force is decomposed or Equilibrator just can be realized axial force automatic balancing, and simple in structure, cost is low.
4, impeller described in the utility model adopts and does not axially fixedly mount, and is floating structure, so that the impeller height machining error does not possess accumulative total property, conductivity, has eliminated manifesting that the pump housing that causes owing to impeller height accumulative total machining error is stuck, can not turn round.Be applicable to installing and using of high-lift (more than 600 meters) multistage pump, improved the mounting process of high-lift submersible pump, operating reliability.
5, the design of the streamlined water outlet of the utility model is so that current are more smooth and easy, and blower inlet casing carries the design of flow guide structure, has reduced product component, has reduced cost of production.Compare existing stator, lead the flow guide structure of shell, runner is more smooth and easy, has improved pump efficiency and single-stage lift.
6, impeller described in the utility model does not need axial restraint, has reduced compared to existing technology installing and using of set screw nut and axle sleeve, the installation and maintenance of being more convenient for.
7, the utility model has been cancelled the seal ring structure at impeller inlet place, adopts impeller lower cover plate lower, planar to contact sealing configuration with liner plate, the generation of impeller stuck phenomenon when having avoided restarting.
Description of drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is the floating type blade wheel structure schematic representation of the utility model,
Fig. 3 is the prior art structural representation.
Embodiment
Below in conjunction with accompanying drawing 1,2 a kind of embodiment of the present utility model is described.
A kind of high-lift floating type impeller Submersible Pump, described electric pump has into water joint 3, the upper end of submersible motor 2 is fixed on the lower end surface of water joint 3, the lower end is fixed on the base 14, the lower end of pump shaft 4 is passed into water joint 3 and is connected with the main shaft of submersible motor 2 by coupling 1, connecting base 11 is enclosed within on the pump shaft 4 and is fixedly mounted on the upper-end surface of water joint 3, and the water passage hole that connecting base 11 inner chamber central authorities have is corresponding with the water outlet of water inlet joint 3; First order impeller 5 is contained on the pump shaft 4 by the key connecting sleeve and is arranged in connecting base 11 inner chambers and can be along pump shaft 4 axial floats, and the water passage hole that has of the corresponding connecting base of the water intake of first order impeller 5 11 inner chamber central authorities; First order blower inlet casing 6 is sleeved on the pump shaft 4 and its lower end is arranged in the inner chamber of connecting base 11, second level impeller 5 is contained on the pump shaft 4 by the key connecting sleeve and is arranged in first order blower inlet casing 6 inner chambers also can be along pump shaft 4 axial floats, second level blower inlet casing 6 is sleeved on the pump shaft 4 and its lower end is arranged in the inner chamber of first order blower inlet casing 6, third level impeller 5 is contained on the pump shaft 4 by the key connecting sleeve and is arranged in second level blower inlet casing 6 inner chambers also can be along pump shaft 4 axial floats, until be contained in pump shaft 4 on by the key connecting sleeve afterbody impeller 5 and be arranged in previous stage blower inlet casing 6 inner chambers and can be along pump shaft 4 axial floats, afterbody blower inlet casing 6 is sleeved on the pump shaft 4 and its lower end is arranged in the inner chamber of previous stage blower inlet casing 6; Effluent seat 9 is sleeved on the pump shaft 4 and is positioned on the upper-end surface of afterbody blower inlet casing 6; Described water inlet joint 3, connecting base 11, the first order to afterbody blower inlet casing 6 and effluent seat 9 by lacing wire 10 sealing that is strained and fixed, and make the play gap of reservation impeller 5 between impeller 5 upper-end surfaces and blower inlet casing 6 lower end surfaces.
Described water inlet joint 3, blower inlet casing 6, effluent seat 9 all are supported on the pump shaft 4 by rubber bush bearing 7 suits.Be bonded with rubber lining 8 on the inner chamber bottom surface of described blower inlet casing 6, prevent from directly not contacting the generation corrosion with the inner chamber bottom surface of blower inlet casing 6 when impeller 5 from not working.The exterior edge face of described impeller 5 is acclivitous scarf, described blower inlet casing 6 interior distributing auger shape guide channels 12, and the water intake of impeller 5 is corresponding with the water outlet of spirality guide channel 12, and the water outlet of impeller 5 is corresponding with the water intake of spirality guide channel 12.Have streamlined exhalant canal 13 in the described effluent seat 9, and the water intake of exhalant canal 13 is corresponding with the water outlet of afterbody blower inlet casing 6.
During work, submersible motor 2 drives pump shaft 4 by coupling 1,5 rotations of pump shaft 4 impeller, current enter through first order impeller 5 from water inlet joint 3 and are promoted to first order blower inlet casing 6, first order blower inlet casing 6 guides to next stage impeller 5 water inlets with current, is promoted to next stage blower inlet casing 6 by this grade impeller 5 again, promotes step by step successively, finally through afterbody blower inlet casing 6 current are guided to effluent seat 9, discharged by effluent seat 9 again.
Above-described embodiment is preferred embodiment of the present utility model, is not to limit the utility model practical range, so all equivalences of being done with the described content of the utility model claim change, all should be included within the utility model claim scope.
Claims (5)
1. high-lift floating type impeller Submersible Pump, it is characterized in that: described electric pump has into water joint (3), submersible motor (2) is fixed on the lower end surface of water joint (3), the lower end of pump shaft (4) is passed into water joint (3) and is connected with the main shaft of submersible motor (2), and connecting base (11) is enclosed within pump shaft (4) upward and is fixedly mounted on the upper-end surface of water joint (3); First order impeller (5) is contained in pump shaft (4) upward and is arranged in connecting base (11) inner chamber by the key connecting sleeve also can be along pump shaft (4) axial float, first order blower inlet casing (6) is sleeved on the inner chamber that upper and its lower end of pump shaft (4) is arranged in connecting base (11), second level impeller (5) is contained in pump shaft (4) upward and is arranged in first order blower inlet casing (6) inner chamber by the key connecting sleeve also can be along pump shaft (4) axial float, second level blower inlet casing (6) is sleeved on the inner chamber that upper and its lower end of pump shaft (4) is arranged in first order blower inlet casing (6), third level impeller (5) is contained in pump shaft (4) upward and is arranged in second level blower inlet casing (6) inner chamber by the key connecting sleeve also can be along pump shaft (4) axial float, until it is upper and be arranged in previous stage blower inlet casing (6) inner chamber and can be along pump shaft (4) axial float that afterbody impeller (5) is contained in pump shaft (4) by the key connecting sleeve, afterbody blower inlet casing (6) is sleeved on the inner chamber that upper and its lower end of pump shaft (4) is arranged in previous stage blower inlet casing (6); Effluent seat (9) is sleeved on pump shaft (4) upward and is positioned on the upper-end surface of afterbody blower inlet casing (6); Described water inlet joint (3), connecting base (11), the first order to afterbody blower inlet casing (6) and effluent seat (9) by lacing wire (10) sealing that is strained and fixed, and make the play gap of reserving impeller (5) between impeller (5) upper-end surface and blower inlet casing (6) lower end surface.
2. high-lift floating type impeller Submersible Pump according to claim 1 is characterized in that: described water inlet joint (3), blower inlet casing (6) and effluent seat (9) all are set with by rubber bush bearing (7) and are supported on the pump shaft (4).
3. high-lift floating type impeller Submersible Pump according to claim 1 is characterized in that: be bonded with liner plate (8) on the inner chamber bottom surface of described connecting base (11), blower inlet casing (6).
4. according to claim 1 and 2 or 3 described high-lift floating type impeller Submersible Pumps, it is characterized in that: the exterior edge face of described impeller (5) is acclivitous scarf, described blower inlet casing (6) interior distributing auger shape guide channel (12), and the water intake of impeller (5) is corresponding with the water outlet of spirality guide channel (12), and the water outlet of impeller (5) is corresponding with the water intake of spirality guide channel (12).
5. according to claim 1 and 2 or 3 described high-lift floating type impeller Submersible Pumps, it is characterized in that: have streamlined exhalant canal (13) in the described effluent seat (9), and the water intake of exhalant canal (13) is corresponding with the water outlet of afterbody blower inlet casing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321287 CN202789583U (en) | 2012-07-04 | 2012-07-04 | High-lift floating type impeller submersible pump for well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321287 CN202789583U (en) | 2012-07-04 | 2012-07-04 | High-lift floating type impeller submersible pump for well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789583U true CN202789583U (en) | 2013-03-13 |
Family
ID=47816853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220321287 Withdrawn - After Issue CN202789583U (en) | 2012-07-04 | 2012-07-04 | High-lift floating type impeller submersible pump for well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789583U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720677A (en) * | 2012-07-04 | 2012-10-10 | 陕西扶龙机电制造有限公司 | Submersible electric pump for high-lift floating impeller well |
| CN105697383A (en) * | 2016-04-06 | 2016-06-22 | 江苏大学 | Axial force self-balancing deep-well pump |
| CN114857035A (en) * | 2021-02-04 | 2022-08-05 | 浙江凯博瑞汽车零部件有限公司 | Sealing structure for centrifugal pump |
-
2012
- 2012-07-04 CN CN 201220321287 patent/CN202789583U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720677A (en) * | 2012-07-04 | 2012-10-10 | 陕西扶龙机电制造有限公司 | Submersible electric pump for high-lift floating impeller well |
| CN102720677B (en) * | 2012-07-04 | 2016-03-30 | 陕西扶龙机电制造有限公司 | High-lift floating type impeller Submersible Pump |
| CN105697383A (en) * | 2016-04-06 | 2016-06-22 | 江苏大学 | Axial force self-balancing deep-well pump |
| CN114857035A (en) * | 2021-02-04 | 2022-08-05 | 浙江凯博瑞汽车零部件有限公司 | Sealing structure for centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Submersible electric pump for high-lift floating impeller well Effective date of registration: 20151228 Granted publication date: 20130313 Pledgee: Fufeng County Rural Credit Cooperative Association Pledgor: Shaanxi Fulong Electromechanical Manufacturing Co.,Ltd. Registration number: 2015610000020 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20160330 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201229 Granted publication date: 20130313 Pledgee: Fufeng County Rural Credit Cooperative Association Pledgor: SHAANXI FULONG PUMP Co.,Ltd. Registration number: 2015610000020 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |