CN201810589U - Tubular pump with movable guide vane at impeller entrance - Google Patents
Tubular pump with movable guide vane at impeller entrance Download PDFInfo
- Publication number
- CN201810589U CN201810589U CN2010205605544U CN201020560554U CN201810589U CN 201810589 U CN201810589 U CN 201810589U CN 2010205605544 U CN2010205605544 U CN 2010205605544U CN 201020560554 U CN201020560554 U CN 201020560554U CN 201810589 U CN201810589 U CN 201810589U
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- guide vane
- movable guide
- pump
- stator
- impeller
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Abstract
The utility model discloses a tubular pump with a movable guide vane at impeller entrance, which relates to the technical field of water pumps, particularly the technical field of tubular pumps. The tubular pump comprises an impeller chamber, a pump shaft, a water pump impeller, an exit guide vane body, a guide vane regulating mechanism, a movable guide vane, a movable guide vane shell and a sealing device, wherein the exit guide vane body is connected to the back end of the impeller chamber; the water pump impeller is arranged in the impeller chamber; the water pump impeller is sheathed on the pump shaft; an exit guide vane is arranged in the exit guide vane body and connected to the pump shaft through a bearing; a movable guide vane body is connected to the front end of the impeller chamber; the movable guide vane is arranged in the movable guide vane body and connected to the pump shaft through a bearing; the guide vane regulating mechanism is arranged outside the movable guide vane through the sealing device and corresponds to the movable guide vane; and the regulating end of the guide vane regulating mechanism is fixed to the movable guide blade after penetrating through the impeller chamber. The tubular pump has compact structure, and is stable in operation and convenient for regulation.
Description
Technical field
The utility model relates to a kind of technical field of water pump, particularly a kind of technical field of through-flow pump.
Background technique
Through-flow pump generally is applied in big flow, low lift operating mode, because the restriction of the performance of pump own, flow～head curve is more precipitous.At water pump blade under unadjustable or half situation of regulating, change little and changes in flow rate operation needs greatly with regard to being difficult to satisfy lift, be difficult to perhaps to realize that flow is constant substantially and working conditions change requirement that lift alters a great deal, cause water pump efficiency low, can not give full play to the economic benefit and the social benefit of pump station engineering.The big-and-middle-sized tubular pump that can regulate for blade, no matter be mechanical adjustment, or hydraulic regulation, can increase the pumping plant construction cost undoubtedly, improve the difficulty of pumping plant technical management and maintenance, also there is the risk of hydraulic fluid leak, befouling environment.For the tubular pump that can realize variable-speed operation, not only can increase the equipment of pumping station investment as frequency control of motor speed, also can reduce pumping plant efficient owing to the energy consumption of converter plant.Other speed change gears be owing to can not do stepless change, or are subjected to the restriction in tubular pump space, or because energy conversion efficiency own is low, very not extensive in the application of through-flow pumping plant.
Summary of the invention
The through-flow pump that the utility model provides a kind of impeller inlet place that movable guide vane is arranged, purpose are to solve the restriction of through-flow pump self performance, can not be applicable to the defective of various working.
The utility model comprises blade wheel chamber, pump shaft, water pump vane, the exit guide vane body, the stator controlling mechanism, movable guide vane, the movable guide vane shell, seal arrangement, described exit guide vane body is connected the rear end of described blade wheel chamber, described water pump vane is arranged in the described blade wheel chamber, described water pump vane is nested with on described pump shaft, described exit guide vane is arranged in the described exit guide vane body, described exit guide vane is connected on the described pump shaft by bearing, described movable guide vane body is connected the front end of described blade wheel chamber, described movable guide vane is arranged in the described movable guide vane body, described movable guide vane is connected on the described pump shaft by bearing, described stator controlling mechanism is arranged on outside the described movable guide vane shell by seal arrangement, the corresponding layout with movable guide vane of described stator controlling mechanism, the adjustable side of described stator controlling mechanism is passed blade wheel chamber and is fixedly connected on the described movable guide vane.
The utility model drives the movable guide vane rotation by the stator controlling mechanism, change the laying angle of movable guide vane, thereby change the velocity field of impeller inlet, for water pump import current provide certain prewhirling, reach the purpose that changes pump performance, effectively enlarge the range of operation and the efficient district scope of water pump, be specially adapted to unadjustable or half through-flow pump of regulating of water pump blade, change little and changes in flow rate occasion greatly at lift, perhaps changes in flow rate is little and lift changes occasion greatly, this through-flow pump compact structure, easy to adjust, stable advantage, except adjustment process, the parts of controlling mechanism do not move, thereby do not have energy consumption, environmental protection has extraordinary application prospect.
Stator controlling mechanism described in the utility model comprises control ring, connecting lever, servomotor, linkage mechanism, stator pivot, described stator pivot is set on the described movable guide vane shell by described seal arrangement, the inner of described stator pivot is fixedly connected on the described movable guide vane, the outer end of described stator pivot connects the front end of connecting lever, the rear end of described connecting lever is connected with the front end of control ring by linkage mechanism, and the rear end of described control ring is connected with the output terminal of servomotor.
The utility model is by the servomotor in the stator controlling mechanism, make the control ring motion that rotates in a circumferential direction, drive connecting lever and linkage mechanism, make the stator pivoted, thereby drive adjustable movable guide vane, thereby change the laying angle of movable guide vane around himself axis rotation, change the velocity field of impeller inlet, for water pump import current provide certain prewhirling, reach the purpose that changes pump performance, thereby enlarge the range of operation and the efficient district scope of pumping plant.
Seal arrangement described in the utility model is an O shape rubber seal.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Among the figure, 1, the exit guide vane body, 2, water pump vane, 3, exit guide vane, 4, movable guide vane, 5, pump shaft, 6, the stator controlling mechanism, 7, seal arrangement, 8, servomotor, 9, control ring, 10, connecting lever, 11, the stator pivot, 12, blade wheel chamber, 13, the movable guide vane shell.
Embodiment
As shown in Figure 1, this through-flow pump comprises blade wheel chamber 12, pump shaft 5, water pump vane 2, exit guide vane body 1, stator controlling mechanism 6, movable guide vane 4, movable guide vane shell 13, seal arrangement 7, exit guide vane body 3 is connected the rear end of blade wheel chamber 12, water pump vane 2 is arranged in the blade wheel chamber 12, water pump vane 2 is nested with on pump shaft 5, exit guide vane 3 is arranged in the exit guide vane body 1, exit guide vane 3 is connected on the pump shaft 5 by bearing, movable guide vane body 1 is connected the front end of blade wheel chamber 12, movable guide vane 3 is arranged in the movable guide vane body 13, movable guide vane 4 is connected on the pump shaft 5 by bearing, stator controlling mechanism 6 is arranged on outside the movable guide vane shell 13 by seal arrangement 7, stator controlling mechanism 6 and movable guide vane 4 corresponding layouts, the adjustable side of stator controlling mechanism 6 is passed blade wheel chamber 12 and is fixedly connected on the movable guide vane 4, and seal arrangement 7 can be L shaped or O shape rubber seal.
As shown in Figure 1, stator controlling mechanism 6 described in the utility model comprises control ring 9, connecting lever 10, servomotor 8, linkage mechanism, stator pivot 11, stator pivot 11 is installed on the movable guide vane shell 13 by seal arrangement 7, the inner of stator pivot 11 is fixedly connected on the movable guide vane 4, the outer end of stator pivot 11 connects the front end of connecting lever 10, the rear end of connecting lever 10 is connected by the front end of linkage mechanism with control ring 9, the rear end of control ring 9 is connected with the output terminal of servomotor 8, by the servomotor in the stator controlling mechanism 68, make control ring 9 motion that rotates in a circumferential direction, drive connecting lever 10 and linkage mechanism, stator pivot 11 is rotated, thereby drive movable guide vane 4 around himself axis rotation, thereby change the laying angle of movable guide vane, reach the velocity field that changes impeller inlet, for water pump import current provide certain prewhirling, change the purpose of pump performance, thereby enlarge the range of operation and the efficient district scope of pumping plant.
Claims (3)
1. an impeller inlet has the through-flow pump of movable guide vane, comprise blade wheel chamber, pump shaft, water pump vane, movable guide vane, the exit guide vane body, described exit guide vane body is connected the rear end of described blade wheel chamber, described water pump vane is arranged in the described blade wheel chamber, described water pump vane is nested with on described pump shaft, described exit guide vane is arranged in the described exit guide vane body, described exit guide vane is connected on the described pump shaft by bearing, it is characterized in that also comprising the stator controlling mechanism, movable guide vane, the movable guide vane shell, seal arrangement, described movable guide vane body is connected the front end of described blade wheel chamber, described movable guide vane is arranged in the described movable guide vane body, described movable guide vane is connected on the described pump shaft by bearing, described stator controlling mechanism is arranged on outside the described movable guide vane shell by seal arrangement, the corresponding layout with movable guide vane of described stator controlling mechanism, the adjustable side of described stator controlling mechanism is passed blade wheel chamber and is fixedly connected on the described movable guide vane.
2. a kind of impeller inlet according to claim 1 has the through-flow pump of movable guide vane, it is characterized in that described stator controlling mechanism comprises control ring, connecting lever, servomotor, linkage mechanism, stator pivot, described stator pivot is set on the described movable guide vane shell by described seal arrangement, the inner of described stator pivot is fixedly connected on the described movable guide vane, the outer end of described stator pivot connects the front end of connecting lever, the rear end of described connecting lever is connected with the front end of control ring by linkage mechanism, and the rear end of described control ring is connected with the output terminal of servomotor.
3. a kind of impeller inlet according to claim 1 has the through-flow pump of movable guide vane, it is characterized in that described seal arrangement is an O shape rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205605544U CN201810589U (en) | 2010-10-14 | 2010-10-14 | Tubular pump with movable guide vane at impeller entrance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205605544U CN201810589U (en) | 2010-10-14 | 2010-10-14 | Tubular pump with movable guide vane at impeller entrance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201810589U true CN201810589U (en) | 2011-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205605544U Expired - Fee Related CN201810589U (en) | 2010-10-14 | 2010-10-14 | Tubular pump with movable guide vane at impeller entrance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201810589U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943762A (en) * | 2012-10-19 | 2013-02-27 | 福建省尤溪长波水力机械有限公司 | Two-stage turbine pump |
| CN102943764A (en) * | 2012-10-19 | 2013-02-27 | 福建省尤溪长波水力机械有限公司 | Water pumping and electricity generating double-purpose turbine pump with novel structure |
| CN102943763A (en) * | 2012-10-19 | 2013-02-27 | 福建省尤溪长波水力机械有限公司 | Water turbine pump with movable guide vanes |
| CN102966562A (en) * | 2012-10-19 | 2013-03-13 | 福建省尤溪长波水力机械有限公司 | Water pumping and power generation dual-purpose water-turbine pump |
| CN102966559A (en) * | 2012-10-19 | 2013-03-13 | 福建省尤溪长波水力机械有限公司 | Novel water pumping and power generation hydroturbine pump |
| CN103711726A (en) * | 2013-12-04 | 2014-04-09 | 中国农业大学 | Tubular pump with part of guide vane body being adjustable |
| CN104912817A (en) * | 2015-06-16 | 2015-09-16 | 蓝深集团股份有限公司 | Energy-saving portable emergency pump |
| CN105041719B (en) * | 2015-06-26 | 2018-04-20 | 武汉大学 | A kind of double suction centrifugal pump guide-vane choma |
| CN113464492A (en) * | 2021-06-30 | 2021-10-01 | 长江勘测规划设计研究有限责任公司 | Submersible full-through-flow gate pump with leading guide vanes with adjustable placement angles |
| CN113668468A (en) * | 2021-07-29 | 2021-11-19 | 长江勘测规划设计研究有限责任公司 | Photovoltaic-driven method capable of flexibly adjusting long-distance channel flow |
| CN113883097A (en) * | 2021-06-23 | 2022-01-04 | 上海凯泉泵业（集团）有限公司 | Centrifugal pump adjustable preposed guide vane device capable of widening high-efficiency area |
| CN114109843A (en) * | 2021-12-15 | 2022-03-01 | 合肥恒大江海泵业股份有限公司 | Bidirectional tubular pump with adjustable front guide vane |
| CN114837954A (en) * | 2022-05-13 | 2022-08-02 | 扬州大学 | Bidirectional submersible tubular pump |
| CN116292420A (en) * | 2023-02-20 | 2023-06-23 | 扬州大学 | Bulb tubular pump device with sectional adjustable front guide vanes and method for improving water flow state by bulb tubular pump device |
-
2010
- 2010-10-14 CN CN2010205605544U patent/CN201810589U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943764A (en) * | 2012-10-19 | 2013-02-27 | 福建省尤溪长波水力机械有限公司 | Water pumping and electricity generating double-purpose turbine pump with novel structure |
| CN102943763A (en) * | 2012-10-19 | 2013-02-27 | 福建省尤溪长波水力机械有限公司 | Water turbine pump with movable guide vanes |
| CN102966562A (en) * | 2012-10-19 | 2013-03-13 | 福建省尤溪长波水力机械有限公司 | Water pumping and power generation dual-purpose water-turbine pump |
| CN102966559A (en) * | 2012-10-19 | 2013-03-13 | 福建省尤溪长波水力机械有限公司 | Novel water pumping and power generation hydroturbine pump |
| CN102943762A (en) * | 2012-10-19 | 2013-02-27 | 福建省尤溪长波水力机械有限公司 | Two-stage turbine pump |
| CN103711726A (en) * | 2013-12-04 | 2014-04-09 | 中国农业大学 | Tubular pump with part of guide vane body being adjustable |
| CN104912817A (en) * | 2015-06-16 | 2015-09-16 | 蓝深集团股份有限公司 | Energy-saving portable emergency pump |
| CN105041719B (en) * | 2015-06-26 | 2018-04-20 | 武汉大学 | A kind of double suction centrifugal pump guide-vane choma |
| CN113883097A (en) * | 2021-06-23 | 2022-01-04 | 上海凯泉泵业（集团）有限公司 | Centrifugal pump adjustable preposed guide vane device capable of widening high-efficiency area |
| CN113883097B (en) * | 2021-06-23 | 2024-05-17 | 上海凯泉泵业（集团）有限公司 | Adjustable front guide vane device of centrifugal pump capable of widening high-efficiency area |
| CN113464492A (en) * | 2021-06-30 | 2021-10-01 | 长江勘测规划设计研究有限责任公司 | Submersible full-through-flow gate pump with leading guide vanes with adjustable placement angles |
| CN113668468B (en) * | 2021-07-29 | 2023-09-29 | 长江勘测规划设计研究有限责任公司 | Method driven by photovoltaic and capable of flexibly adjusting long-distance channel flow |
| CN113668468A (en) * | 2021-07-29 | 2021-11-19 | 长江勘测规划设计研究有限责任公司 | Photovoltaic-driven method capable of flexibly adjusting long-distance channel flow |
| CN114109843A (en) * | 2021-12-15 | 2022-03-01 | 合肥恒大江海泵业股份有限公司 | Bidirectional tubular pump with adjustable front guide vane |
| CN114837954A (en) * | 2022-05-13 | 2022-08-02 | 扬州大学 | Bidirectional submersible tubular pump |
| CN114837954B (en) * | 2022-05-13 | 2024-06-11 | 扬州大学 | Bidirectional submersible through-flow pump |
| CN116292420A (en) * | 2023-02-20 | 2023-06-23 | 扬州大学 | Bulb tubular pump device with sectional adjustable front guide vanes and method for improving water flow state by bulb tubular pump device |
| CN116292420B (en) * | 2023-02-20 | 2024-04-02 | 扬州大学 | Bulb tubular pump device with sectional adjustable front guide vanes and method for improving water flow state by bulb tubular pump device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20141014 |
|
| EXPY | Termination of patent right or utility model |