CN202867234U - Double-stage centrifuging water-turbine pump - Google Patents
Double-stage centrifuging water-turbine pump Download PDFInfo
- Publication number
- CN202867234U CN202867234U CN 201220539198 CN201220539198U CN202867234U CN 202867234 U CN202867234 U CN 202867234U CN 201220539198 CN201220539198 CN 201220539198 CN 201220539198 U CN201220539198 U CN 201220539198U CN 202867234 U CN202867234 U CN 202867234U
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- pump
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- chamber
- bearing
- pump housing
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Abstract
The utility model provides a double-stage centrifuging water-turbine pump. The double-stage centrifuging water-turbine pump comprises a pump body and a pump spindle, wherein the pump spindle is rotatingly mounted on the pump casing through a tapered roller bearing and a guide bearing. The pump body comprises a turbine chamber and a pump chamber, wherein the turbine chamber is positioned above the pump chamber. The pump spindle consists of a first section of spindle arranged in the turbine chamber and a second section of spindle disposed in the pump chamber, wherein two impellers in the same direction are fixed on the first section of spindle, guide vanes are disposed on the inwall of the turbine chamber corresponding to the impellers, and a plurality of the guide vanes are spirally and radially arranged around the axis of the pump spindle. A first water inlet is formed above the pump body to communicate with the turbine chamber and a first water outlet is formed at the bottom of the turbine chamber to pump out water. A rotating wheel is fixed on the second section of spindle and a water guide base is disposed on the pump body corresponding to the rotating wheel. The water guide base is used for fixing the guide vanes. A second water inlet is formed on the pump body to enable water to flow into the pump chamber and a second water outlet is formed at the bottom of the pump body.
Description
Technical field
The utility model relates to water lift equipment, relates in particular to a kind of turbine pump, and concrete is the two stage centrifugal turbine pump.
Background technique
Turbine pump is a kind of water lift of environmental protection and energy saving, the water lift machine that it is comprised of by certain way water turbine and water pump, current with certain energy drive the abundant waterpower resourses of rotary wheel of water turbine utilization and carry out water lift, and not power consumption, oil consumption, turbine pump be not as important developing direction in the middle of people's farming, woods, animal husbandry production, the domestic water.
Thereby traditional turbine pump generally is to adopt an impeller to rotate the drive current to raise up, the driving force of an impeller is limited, so that the turbine pump lift of this structure is limited, if need to reach higher lift, even it also is of no avail having increased the rotating speed of impeller, therefore, the turbine pump of this structure and be not suitable with present market.
The model utility content
The technical problem that the utility model mainly solves provides a kind of two stage centrifugal turbine pump that takes full advantage of hydraulic power potentials, improves former station efficient.
For addressing the above problem, a kind of technological scheme that the utility model adopts is: a kind of two stage centrifugal turbine pump is provided, comprises the pump housing and be arranged on the interior pump shaft of the pump housing, described pump shaft is arranged on the pump housing by tapered roller bearing and guide bearing rotationally; The described pump housing comprises water wheels chamber and pump chamber, and described water wheels chamber is positioned at the top of pump chamber, and pump shaft is divided into the first paragraph axle that is positioned at the water wheels chamber and the second segment axle that is positioned at pump chamber; Fix two impellers in the same way on the described first paragraph axle, be provided with stator on the inwall of the corresponding impeller in described water wheels chamber, described stator is a plurality of, and the axis that centers on pump shaft is the radial setting of spiral; The top of the described pump housing is provided with the first water intake that communicates for the water wheels chamber, and the bottom in described water wheels chamber is provided with and makes the first water outlet of raising waterborne; Be fixed with runner on described the second end axle, corresponding runner is provided with water guide stand on the described pump housing, and described water guide stand is fixed described stator, and being provided with on the described pump housing supplies water flows into the second water intake of pump chamber, and the bottom of the described pump housing is provided with the second water outlet.
Wherein, described runner has four rotating vanes, and described water guide stand is fixed 16 described stators.
Wherein, offer groove on the described impeller, corresponding two impeller locations offer keyway on the described main shaft, and described impeller and pump shaft are fastened to each other by flat key.
Wherein, described guide bearing comprises the outer and guide bearing nexine of guide bearing, and the outer field material of described guide bearing is cast iron, and the material of described guide bearing nexine is abrasive rubber.
Wherein, described guide bearing nexine internal surface is provided with the groove of logical lubricated water.
Wherein, the top of the described pump housing is provided with bearing support, described tapered roller bearing is arranged in the bearing support, and described pump shaft stretches in the bearing support and cooperates with tapered roller bearing, and the outlet end of described pump shaft and bearing support is provided with the standard oil sealing that prevents oil leak and water, silt intrusion.
Wherein, described the first water intake is horn-like water intake, and large mouthful of horn-like water intake up.
Wherein, the first water intake of the described pump housing is equipped with the filter screen that prevents that the pasture and water foreign material from entering.
The beneficial effects of the utility model are: two impellers of the utility model are coaxial to be installed in the same way, the topmost part of the pump housing is water intake, the outlet of water outflow first order impeller enters second level impeller by flow channel type guide blade import, its outlet current compile rear output by pump case, this structure is so that finally pass through the bigcatkin willow Cheng Guang of the first water outlet, compact overall structure, easy to operate, reduce the current loss, increase head ratio, improve utilization ratio, applied widely.
Description of drawings
Fig. 1 is the structural representation of two stage centrifugal turbine pump in the utility model one mode of execution.
Label declaration: the 1-pump housing; 11-water wheels chamber; 111-the first water intake; 112-the first water outlet; The 12-pump chamber; 121-the second water intake; 122-the second water outlet; The 13-water guide stand; The 2-pump shaft; 31-first order impeller; 32-second level impeller; The 4-stator; The 5-runner; The 6-guide bearing; The 7-bearing support; The 8-filter screen; The 9-flat key; The 10-tapered roller bearing; The 100-oil sealing.
Embodiment
By describing technology contents of the present utility model, structure characteristics in detail, realized purpose and effect, below in conjunction with mode of execution and cooperate that accompanying drawing is detailed to give explanation.
See also Fig. 1, present embodiment provides a kind of two stage centrifugal turbine pump, comprise the pump housing 1 and the rotating pump shaft 2 that is arranged in the pump housing 1, the described pump housing 1 comprises water wheels chamber 11 and pump chamber 12, described water wheels chamber 11 is positioned at the top of pump chamber 12, and pump shaft 2 is divided into the first paragraph axle that is positioned at water wheels chamber 11 and the second segment axle that is positioned at pump chamber 12; Fix two impellers (first order impeller 31, second level impeller 32) in the same way on the described first paragraph axle, be provided with stator 4 on the inwall of described water wheels chamber 11 corresponding impellers (first order impeller 31), described stator 4 is a plurality of, is the radial setting of spiral around axis; The top of the described pump housing 1 is provided with the first water intake 111 that communicates for water wheels chamber 11, and the bottom in described water wheels chamber 11 is provided with and makes the first water outlet 112 of raising waterborne; Be fixed with runner 5 on described the second end axle, corresponding runner 5 is provided with water guide stand 13 on the described pump housing 1, described water guide stand 13 fixing described stators 4, being provided with on the described pump housing 1 supplies water flows into the second water intake 121 of pump chamber 12, and the bottom of the described pump housing 1 is provided with the second water outlet 122.
In the present embodiment, described pump shaft 2 is to be arranged on rotationally on the pump housing 1 by tapered roller bearing 10 and 6, described impeller (first order impeller 31, second level impeller 32) has the rotation positioning relation with pump shaft 2, be described pump shaft 2 and impeller (first order impeller 31, second level impeller 32) rotates synchronously, concrete, described impeller (first order impeller 31, second level impeller 32) offers groove on, corresponding two impeller (first order impellers 31 on the described main shaft, second level impeller 32) position offers keyway, described impeller (first order impeller 31, second level impeller 32) fastened to each other by flat key 9 with pump shaft 2, key snaps in keyway and the groove, and rotates synchronously.Certainly, this is a kind of mode of execution of the present utility model, can adopt in other mode of executions, and splined shaft is realized with modes such as cooperating of impeller (first order impeller 31, second level impeller 32).
In above-mentioned enforcement, described runner 5 has four rotating vanes, and described water guide stand 13 is fixed 16 described stators 4.
In above-mentioned specific embodiment, described pump shaft 2 rotating being arranged on the pump housing 1, it can be realized by bearing, concrete is the bidirectional axial force that bears the on-stream generation of turbine pump by tapered roller bearing 10, certainly, present embodiment does not limit the type of bearing, also can adopt radial ball bearing etc. to realize the purpose of this utility model, on the other hand, be provided with guide bearing 6 near on the bearing of runner 5, guide bearing 6 is in the bearing hole of the water guide shell (the water guide shell is to be the arcuate surface that the water that the second water intake 121 enters is led in the water pump chamber 12) that directly is contained in the pump housing 1, it is replaceable, concrete its is to adopt the rubber manufacturing, guaranteed the adhesion that it is surperficial.
Preferably, described guide bearing 6 comprises the outer and guide bearing nexine of guide bearing, and the outer field material of described guide bearing is cast iron, and the material of described guide bearing nexine is abrasive rubber.Further, described guide bearing nexine internal surface is provided with the groove of logical lubricated water.
In the present embodiment, the top of the described pump housing 1 is provided with bearing support 7, be provided with the hole that penetrates for pump shaft 2 in the bearing support 7, be provided with the step of adaptive tapered roller bearing 10 on the hole, its tail end is fixed a bearing cap, described tapered roller bearing 10 is arranged in the bearing support 7, and described pump shaft 2 stretches in the bearing support 7 and with tapered roller bearing 10 and cooperates.
In other embodiment, for the leakage that prevents lubricant oil and the intrusion of cement sand, be provided with standard oil sealing 100 at the outlet end of described pump shaft 2 and bearing support 7.
In the present embodiment, side by side equidistant being arranged on the pump shaft 2 of described impeller (first order impeller 31, second level impeller 32), more evenly laborsaving when making it drive again the current rotation.
Present embodiment, described the first water intake 111 is horn-like water intake, and large mouthful of horn-like water intake is up, and trumpet-shaped water intake can increase the flow velocity that flows into the first water intake 111, has further improved the lift of the first water outlet 112.
In the present embodiment, the first water intake 111 of the described pump housing 1 is fixed with the filter screen 8 that prevents that the pasture and water foreign material from entering, and has guaranteed water quality.
During operation, at first the pump housing 1 is fixed on the place that need to move water, concrete, the hole that can the bottom surface by the pump housing 1 arranges again ordinatedly foot bolt fix, water is because action of gravitation afterwards, enter through blower inlet casing from second water-inlet cavity in water pump chamber 12 and to flow to runner 5, be provided with water guide stand 13 on the pump housing 1 of runner 5 correspondences, water guide stand 13 is to fix 16 stators 4 in the present embodiment, form a setting that is spiral reflection shape around pump shaft 2 axis between the stator 4, the water that flows into can impact runner 5 along certain orientation, has accelerated the rotation of runner 5, and water can flow out by the second water outlet 122 afterwards;
After pump shaft 2 rotates, impeller is rotated, impeller is divided into first order impeller 31, second level impeller 32 from top to bottom, water flows into from the first water intake 111, stator 4 by flow channel type enters first order impeller 31, first order impeller 31 begins to rotate, and the centrifugal force of generation is delivered to the water intake of second level impeller 32 with water, and finally flows out from the first water outlet 112 of 11 bottoms, water wheels chamber.In the utility model, stator 4 designs of flow channel type, minimum is down in loss, can collect high-speed liquid, kinetic energy is become pressure energy, guide equably the high-speed liquid that first order impeller 31 flows out into second level impeller 32, by the drive of both stage impellers (first order impeller 31, second level impeller 32), so that the final outflow water lift improves greatly.
The operating index of concrete two stage centrifugal turbine pump is as shown in the table:
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. a two stage centrifugal turbine pump is characterized in that, comprises the pump housing and is arranged on the interior pump shaft of the pump housing, and described pump shaft is arranged on the pump housing by tapered roller bearing and guide bearing rotationally; The described pump housing comprises water wheels chamber and pump chamber, and described water wheels chamber is positioned at the top of pump chamber, and pump shaft is divided into the first paragraph axle that is positioned at the water wheels chamber and the second segment axle that is positioned at pump chamber;
Fix two impellers in the same way on the described first paragraph axle, be provided with stator on the inwall of the corresponding impeller in described water wheels chamber, described stator is a plurality of, and the axis that centers on pump shaft is the radial setting of spiral;
The top of the described pump housing is provided with the first water intake that communicates for the water wheels chamber, and the bottom in described water wheels chamber is provided with and makes the first water outlet of raising waterborne;
Be fixed with runner on described the second end axle, corresponding runner is provided with water guide stand on the described pump housing, and described water guide stand is fixed described stator, and being provided with on the described pump housing supplies water flows into the second water intake of pump chamber, and the bottom of the described pump housing is provided with the second water outlet.
2. two stage centrifugal turbine pump according to claim 1 is characterized in that, described runner has four rotating vanes, and described water guide stand is fixed 16 described stators.
3. two stage centrifugal turbine pump according to claim 1 and 2 is characterized in that, offers groove on the described impeller, and corresponding two impeller locations offer keyway on the described main shaft, and described impeller and pump shaft are fastened to each other by flat key.
4. two stage centrifugal turbine pump according to claim 1 is characterized in that, described guide bearing comprises the outer and guide bearing nexine of guide bearing, and the outer field material of described guide bearing is cast iron, and the material of described guide bearing nexine is abrasive rubber.
5. two stage centrifugal turbine pump according to claim 4 is characterized in that, described guide bearing nexine internal surface is provided with the groove of logical lubricated water.
6. two stage centrifugal turbine pump according to claim 1, it is characterized in that, the top of the described pump housing is provided with bearing support, described tapered roller bearing is arranged in the bearing support, described pump shaft stretches in the bearing support and cooperates with tapered roller bearing, and the outlet end of described pump shaft and bearing support is provided with the standard oil sealing that prevents oil leak and water, silt intrusion.
7. two stage centrifugal turbine pump according to claim 1 is characterized in that, described the first water intake is horn-like water intake, and large mouthful of horn-like water intake up.
8. two stage centrifugal turbine pump according to claim 7 is characterized in that, the first water intake of the described pump housing is equipped with the filter screen that prevents that the pasture and water foreign material from entering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220539198 CN202867234U (en) | 2012-10-19 | 2012-10-19 | Double-stage centrifuging water-turbine pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220539198 CN202867234U (en) | 2012-10-19 | 2012-10-19 | Double-stage centrifuging water-turbine pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202867234U true CN202867234U (en) | 2013-04-10 |
Family
ID=48033957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220539198 Withdrawn - After Issue CN202867234U (en) | 2012-10-19 | 2012-10-19 | Double-stage centrifuging water-turbine pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202867234U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966560A (en) * | 2012-10-19 | 2013-03-13 | 福建省尤溪长波水力机械有限公司 | Two-stage centrifugal turbine pump |
| CN108071609A (en) * | 2016-11-11 | 2018-05-25 | 明和工业株式会社 | Water pump |
| CN109185217A (en) * | 2018-11-28 | 2019-01-11 | 无锡艾比德泵业有限公司 | A kind of suction inlet is the water inlet segment structure of the centrifugal multistage pump multiple centrifugal pump of fish mouth type |
-
2012
- 2012-10-19 CN CN 201220539198 patent/CN202867234U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966560A (en) * | 2012-10-19 | 2013-03-13 | 福建省尤溪长波水力机械有限公司 | Two-stage centrifugal turbine pump |
| CN102966560B (en) * | 2012-10-19 | 2015-04-01 | 福建省尤溪长波水力机械有限公司 | Two-stage centrifugal turbine pump |
| CN108071609A (en) * | 2016-11-11 | 2018-05-25 | 明和工业株式会社 | Water pump |
| CN109185217A (en) * | 2018-11-28 | 2019-01-11 | 无锡艾比德泵业有限公司 | A kind of suction inlet is the water inlet segment structure of the centrifugal multistage pump multiple centrifugal pump of fish mouth type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130410 Effective date of abandoning: 20150401 |
|
| RGAV | Abandon patent right to avoid regrant |