CN103950528A - Axial-flow type water-jet propulsion pump - Google Patents
Axial-flow type water-jet propulsion pump Download PDFInfo
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- CN103950528A CN103950528A CN201410143820.6A CN201410143820A CN103950528A CN 103950528 A CN103950528 A CN 103950528A CN 201410143820 A CN201410143820 A CN 201410143820A CN 103950528 A CN103950528 A CN 103950528A
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- blade wheel
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Abstract
The invention relates to the technical field of ships, in particular to an axial-flow type water-jet propulsion pump, comprising a first impeller chamber, a second impeller chamber, a delivery pipe, an inner pipe, a propeller cap, bearings, an impeller shaft, an impeller, guide vanes, diversion fins, a jet nozzle, an oil seal and a counter-jet port, wherein the first impeller chamber is connected with the jet nozzle through the second impeller chamber and the delivery pipe sequentially, the jet nozzle is connected with the counter-jet port, the outer wall of the inner pipe is fixed in the delivery pipe through the guide vanes, the two ends of the inner pipe are respectively provided with one bearing, the two ends of the inner pipe are connected through the oil seal and the propeller cap respectively, one end of the impeller shaft penetrates through the two bearings, the other end of the impeller shaft sequentially penetrates through the second impeller chamber and the first impeller chamber, the impeller is arranged on the impeller shaft, the inner side of the delivery pipe is fixedly provided with at least three guide vanes along the circumferential direction at equal distance, and the inner wall of the jet nozzle is fixedly provided with the diversion fins with the same quantity as the guide vanes. The axial-flow type water-jet propulsion pump provided by the invention has the advantages of high propelling efficiency, anti-cavitation performance and compact structure.
Description
Technical field
The present invention relates to technical field of ships, particularly a kind of axial-flow water jet propulsion pump.
Background technology
In shipbuilding industry, applying more is the propulsive mechanism of propeller structure, and the general volume of propeller propulsive mechanism is large, weight is heavier, cost is higher, is mainly used at present barge and boats and ships.Along with the development of shipbuilding industry, water jet propulsion pump is also more and more applied to the ship-related products such as various barges, Military Ship, and has been widely used.Designing and developing in process of motor boat and middle-size and small-size yacht series of products, according to its product form, need that a propulsion coefficient is high, cavitation resistance can be good, it is little to vibrate, the boost pump of compact conformation is as the propulsion system of ships and light boats, and conventional propeller propulsion system cannot be used on motor boat and middle-size and small-size yacht series of products.
Summary of the invention
Technical matters to be solved by this invention is to provide that a kind of propulsion coefficient is high, cavitation resistance can be good, vibrate axial-flow water jet propulsion pump little, compact conformation.
For solving the problems of the technologies described above, the invention provides a kind of axial-flow water jet propulsion pump, comprising: comprising: the first blade wheel chamber, the second blade wheel chamber, delivery pipe, propeller cap, bearing, paddle shaft, impeller, stator, inner tube, guide rib, nozzle, oil sealing and regurgitate mouth.The rear end of described the first blade wheel chamber is fixedly connected with the front end of described delivery pipe by described the second blade wheel chamber, and the rear end of described delivery pipe is fixedly connected with described nozzle, described nozzle with described in regurgitate and mouthful be connected; On the outer wall of described inner tube, be along the circumferential direction fixed with at least three described stators, described stator is fixedly connected with the inwall of described delivery pipe, and it is inner that described inner tube is arranged on described delivery pipe, and described inner tube is parallel with described delivery pipe.The inside, two ends of described inner tube is respectively arranged with a described bearing, and one end of described paddle shaft is through two described bearings of described inner tube inside, and the other end is successively through described the second blade wheel chamber and described the first blade wheel chamber; Described impeller is arranged on the described paddle shaft of described the second blade wheel chamber inside, and described oil sealing is by the front side ferrule of described inner tube; Described propeller cap is fixedly connected with the rear end of described inner tube, by the rear side ferrule of described inner tube.
Described nozzle inner walls is fixed with the guide rib with described stator equal number, and described in each, stator the place ahead is oppositely arranged a described guide rib.
Further, also comprise: transom window; Described transom window is fixedly connected with the front end of described the first blade wheel chamber.
Further, also comprise: filter; The inside sidewalls of described delivery pipe is provided with the first opening and the second opening, is provided with the 3rd opening on described transom window; In the sidewall of described delivery pipe, the first blade wheel chamber, the second blade wheel chamber and described transom window, be provided with passage; Described the first opening is connected with the entrance of described filter, and the outlet of described filter is connected with described the second opening; Described channel connection in described the second opening and described delivery pipe sidewall; Described passage in the sidewall of described delivery pipe, the first blade wheel chamber, the second blade wheel chamber and described transom window is joined together to form cooling water expansion tank runner; Described channel connection in the sidewall of described the 3rd opening and described transom window, described the 3rd opening is for being connected with the cooling system of outboard engine.
Further, also comprise edge cover; Described edge cover is fixed on the inwall of described the second blade wheel chamber.
Further, described stator and described guide rib are six.
Further, the described stator of along the circumferential direction fixing on the outer wall of described inner tube is equally spaced in a circumferential direction.
Axial-flow water jet propulsion pump provided by the invention, has adopted the design of fixing stator and guide rib, in the process of using, has advantages of that propulsion coefficient is high, cavitation resistance can well and vibrate little.Axial-flow water jet propulsion pump provided by the invention, the first blade wheel chamber, the second blade wheel chamber and delivery pipe are fixedly connected to form an integral structure, the component set such as delivery pipe endoporus unit, propeller cap, bearing, paddle shaft, impeller are in the integral structure consisting of the first blade wheel chamber, the second blade wheel chamber and delivery pipe, the compact conformation of whole axial-flow water jet propulsion pump, has advantages of miniaturization.
Accompanying drawing explanation
The axial-flow water jet propulsion pump cutaway view that Fig. 1 provides for the embodiment of the present invention;
The cooling line structural representation that Fig. 2 provides for the embodiment of the present invention.
The specific embodiment
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of axial-flow water jet propulsion pump, comprising: the first blade wheel chamber 3, the second blade wheel chamber 5, delivery pipe 7, inner tube 12, propeller cap 8, bearing 6, paddle shaft 1, impeller 4, nozzle 9, regurgitate mouthfuls 10, the parts such as transom window 2, filter, stator 11, oil sealing and edge cover.Wherein, the first blade wheel chamber 3, the second blade wheel chamber 5 and delivery pipe 7 are tubular structure.The rear end of the first blade wheel chamber 3 is fixedly connected with the front end of delivery pipe 7 by the second blade wheel chamber 5, and the first blade wheel chamber 3, the second blade wheel chamber 5 and delivery pipe 7 link together and form a whole tubular structure.The rear end of delivery pipe 7 is fixedly connected with nozzle 9, nozzle 9 with regurgitate mouthfuls 10 and be fixedly connected with.
Referring to Fig. 1, stator 11 is fixedly connected on the outer wall of inner tube 12, along the circumferential direction equidistantly on the outer wall of inner tube 12 be fixed with at least three (the present embodiment adopts six) stators 11, stator 11 is fixedly connected with the inwall of delivery pipe 7, inner tube 12 is arranged on delivery pipe 7 inside, and inner tube 12 is parallel to each other with delivery pipe 7.The inside, two ends of inner tube 12 is respectively arranged with a bearing 6; One end of paddle shaft 1 is through two bearings 6 in inner tube 12, and the other end is successively through the second blade wheel chamber 5 and the first blade wheel chamber 3.Impeller 4 is arranged on the paddle shaft 1 of the second blade wheel chamber 5 inside.Oil sealing is by the front side ferrule of inner tube 12, propeller cap 8 is fixedly connected with the rear side mouth of pipe of inner tube 12, rear side inner spout sealing by inner tube 12, does not contact two bearings 6, with the work that guarantees that two bearings 6 and paddle shaft 1 can be normal, stable with extraneous water.Nozzle 9 inwalls are fixed with the guide rib with stator equal number, and each stator the place ahead is oppositely arranged a guide rib, the guide rib in stator and its place ahead over against.Transom window 2 is fixedly connected with the front end of the first blade wheel chamber 3, and transom window 2 is for being connected with the dependency structure of ships and light boats.Edge cover is fixed on the inwall of the second blade wheel chamber 5, and edge cover plays protective action to the inwall of the second blade wheel chamber 5.
The inside sidewalls of delivery pipe 7 is provided with the first opening and the second opening, is provided with the 3rd opening on transom window 2.In the sidewall of delivery pipe 7, the first blade wheel chamber 3, the second blade wheel chamber 5 and transom window 2, be provided with passage.The first opening is connected with the entrance of filter, and the outlet of filter is connected with the second opening; Channel connection in the second opening and delivery pipe 7 sidewalls.Referring to Fig. 2, the passage in the sidewall of delivery pipe 7, the first blade wheel chamber 3, the second blade wheel chamber 5 and transom window 2 is joined together to form cooling water expansion tank runner 13; Channel connection in the sidewall of the 3rd opening and transom window 2, the 3rd opening is for being connected with the cooling system of outboard engine.
Referring to Fig. 1 and Fig. 2, the axial-flow water jet propulsion pump that the embodiment of the present invention provides is in the process of application, paddle shaft 1 is connected with the output shaft of driving engine, when 1 running of engine output shaft impeller axle, impeller 4, also along with High Rotation Speed, forms pressurized effect to the water of delivery pipe 7 inside, and the runner that most of High-Pressure Water forms along the second blade wheel chamber 5, delivery pipe 7 and nozzle 9 flows out, its antagonistic force is presented as the power of pump, realizes the progradation to ships and light boats; First opening of another part high pressure water from delivery pipe 7 sidewalls, after the filtration of filter, flow into the cooling water expansion tank runner 13 of going here and there and forming by delivery pipe 7, the second blade wheel chamber 5, the first blade wheel chamber 3 and transom window 2, and by flexible pipe, cooling water expansion tank is inputted in engine-cooling system, driving engine is carried out cooling, to guarantee the normal operation of driving engine and the service life that extends driving engine.
The axial-flow water jet propulsion pump that the embodiment of the present invention provides, has adopted the design of fixing stator and guide rib, in the process of using, has advantages of that propulsion coefficient is high, cavitation resistance can well and vibrate little.Axial-flow water jet propulsion pump provided by the invention, the first blade wheel chamber, the second blade wheel chamber and delivery pipe are fixedly connected to form an integral structure, the component set such as inner tube, stator, propeller cap, bearing, paddle shaft, impeller are in the integral structure consisting of the first blade wheel chamber, the second blade wheel chamber and delivery pipe, the compact conformation of whole axial-flow water jet propulsion pump, has advantages of miniaturization.In addition, in the sidewall of delivery pipe, the first blade wheel chamber, the second blade wheel chamber and transom window, be provided with passage, and combined filtering device forms a jacket water feedway, high pressure water can be transported in the cooling system of driving engine, realization is cooling to driving engine, has guaranteed normal, the stable operation of driving engine and the service life that has extended driving engine.
It should be noted last that, the above specific embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. an axial-flow water jet propulsion pump, is characterized in that, comprising: the first blade wheel chamber, the second blade wheel chamber, delivery pipe, propeller cap, bearing, paddle shaft, impeller, stator, inner tube, guide rib, nozzle, oil sealing and regurgitate mouth;
The rear end of described the first blade wheel chamber is fixedly connected with the front end of described delivery pipe by described the second blade wheel chamber, and the rear end of described delivery pipe is fixedly connected with described nozzle, described nozzle with described in regurgitate and mouthful be connected; On the outer wall of described inner tube, be along the circumferential direction fixed with at least three described stators, described stator is fixedly connected with the inwall of described delivery pipe, and it is inner that described inner tube is arranged on described delivery pipe, and described inner tube is parallel with described delivery pipe;
The inside, two ends of described inner tube is respectively arranged with a described bearing, and one end of described paddle shaft is through two described bearings of described inner tube inside, and the other end is successively through described the second blade wheel chamber and described the first blade wheel chamber; Described impeller is arranged on the described paddle shaft of described the second blade wheel chamber inside, and described oil sealing is by the front side ferrule of described inner tube; Described propeller cap is fixedly connected with the rear end of described inner tube, by the rear side ferrule of described inner tube;
Described nozzle inner walls is fixed with the guide rib with described stator equal number, and described in each, stator the place ahead is oppositely arranged a described guide rib.
2. axial-flow water jet propulsion pump according to claim 1, is characterized in that, also comprises: transom window; Described transom window is fixedly connected with the front end of described the first blade wheel chamber.
3. axial-flow type waterjet propulsor according to claim 2, is characterized in that, also comprises: filter;
The inside sidewalls of described delivery pipe is provided with the first opening and the second opening, is provided with the 3rd opening on described transom window; In the sidewall of described delivery pipe, the first blade wheel chamber, the second blade wheel chamber and described transom window, be provided with passage; Described the first opening is connected with the entrance of described filter, and the outlet of described filter is connected with described the second opening; Described channel connection in described the second opening and described delivery pipe sidewall; Described passage in the sidewall of described delivery pipe, the first blade wheel chamber, the second blade wheel chamber and described transom window is joined together to form cooling water expansion tank runner; Described channel connection in the sidewall of described the 3rd opening and described transom window, described the 3rd opening is for being connected with the cooling system of outboard engine.
4. according to the axial-flow water jet propulsion pump described in claim 1-3 any one, it is characterized in that, also comprise edge cover; Described edge cover is fixed on the inwall of described the second blade wheel chamber.
5. according to the axial-flow water jet propulsion pump described in claim 1-3 any one, it is characterized in that, described stator and described guide rib are six.
6. according to the described axial-flow water jet propulsion pump of claim 1-3 any one, it is characterized in that, the described stator of along the circumferential direction fixing on the outer wall of described inner tube is equally spaced in a circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143820.6A CN103950528B (en) | 2014-04-10 | 2014-04-10 | Axial-flow water jet propulsion pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143820.6A CN103950528B (en) | 2014-04-10 | 2014-04-10 | Axial-flow water jet propulsion pump |
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| CN103950528A true CN103950528A (en) | 2014-07-30 |
| CN103950528B CN103950528B (en) | 2017-04-05 |
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| CN201410143820.6A Active CN103950528B (en) | 2014-04-10 | 2014-04-10 | Axial-flow water jet propulsion pump |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386233A (en) * | 2014-11-20 | 2015-03-04 | 江苏科技大学 | High-performance pump water spray propeller having vector turning and vector backing functions |
| CN104564694A (en) * | 2014-12-26 | 2015-04-29 | 江苏大学 | Compact axial flow pump |
| CN104655336A (en) * | 2015-01-19 | 2015-05-27 | 江苏大学 | Water spraying propulsion pump structure capable of measuring dynamic exciting force of blade |
| CN104929981A (en) * | 2015-06-19 | 2015-09-23 | 中国船舶工业集团公司第七〇八研究所 | Novel water spraying propulsion contraction-flow pump |
| CN106882353A (en) * | 2017-03-27 | 2017-06-23 | 郝计忠 | A kind of hydrodynamic force ship |
| CN109624625A (en) * | 2018-12-19 | 2019-04-16 | 中国人民解放军国防科技大学 | Water-air cross-medium aircraft propulsion system capable of rapidly switching propulsion modes |
| CN109969367A (en) * | 2019-04-15 | 2019-07-05 | 汪一平 | Spindle axis vortex vane type vector propulsion device peculiar to vessel |
| CN112229601A (en) * | 2020-10-12 | 2021-01-15 | 中国船舶工业集团公司第七0八研究所 | Pulsating pressure test system for rotating impeller of water jet propulsion hydraulic model |
| CN112278215A (en) * | 2020-09-29 | 2021-01-29 | 北京蔚蓝集智科技有限公司 | Water jet propulsion device and water jet propulsion method and application thereof |
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| US5366397A (en) * | 1992-04-14 | 1994-11-22 | Sanshin Kogyo Kabushiki Kaisha | Water jet propulsion unit |
| US6170423B1 (en) * | 1992-11-16 | 2001-01-09 | Sanshin Kogyo Kabushiki Kaisha | Watercraft bilge system |
| CN102285441A (en) * | 2011-07-18 | 2011-12-21 | 中国人民解放军63983部队 | Axial flow water jet propulsion pump |
| CN102486169A (en) * | 2009-12-12 | 2012-06-06 | 赵明 | High-efficiency axial flow and screw combined pump for ship |
| CN203958586U (en) * | 2014-04-10 | 2014-11-26 | 湖北三江船艇科技有限公司 | Axial-flow water jet propulsion pump |
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2014
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Patent Citations (5)
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| US5366397A (en) * | 1992-04-14 | 1994-11-22 | Sanshin Kogyo Kabushiki Kaisha | Water jet propulsion unit |
| US6170423B1 (en) * | 1992-11-16 | 2001-01-09 | Sanshin Kogyo Kabushiki Kaisha | Watercraft bilge system |
| CN102486169A (en) * | 2009-12-12 | 2012-06-06 | 赵明 | High-efficiency axial flow and screw combined pump for ship |
| CN102285441A (en) * | 2011-07-18 | 2011-12-21 | 中国人民解放军63983部队 | Axial flow water jet propulsion pump |
| CN203958586U (en) * | 2014-04-10 | 2014-11-26 | 湖北三江船艇科技有限公司 | Axial-flow water jet propulsion pump |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386233A (en) * | 2014-11-20 | 2015-03-04 | 江苏科技大学 | High-performance pump water spray propeller having vector turning and vector backing functions |
| CN104564694A (en) * | 2014-12-26 | 2015-04-29 | 江苏大学 | Compact axial flow pump |
| CN104655336A (en) * | 2015-01-19 | 2015-05-27 | 江苏大学 | Water spraying propulsion pump structure capable of measuring dynamic exciting force of blade |
| CN104929981A (en) * | 2015-06-19 | 2015-09-23 | 中国船舶工业集团公司第七〇八研究所 | Novel water spraying propulsion contraction-flow pump |
| CN106882353A (en) * | 2017-03-27 | 2017-06-23 | 郝计忠 | A kind of hydrodynamic force ship |
| CN109624625A (en) * | 2018-12-19 | 2019-04-16 | 中国人民解放军国防科技大学 | Water-air cross-medium aircraft propulsion system capable of rapidly switching propulsion modes |
| CN109624625B (en) * | 2018-12-19 | 2020-12-04 | 中国人民解放军国防科技大学 | Water-air cross-medium aircraft propulsion system capable of rapidly switching propulsion modes |
| CN109969367A (en) * | 2019-04-15 | 2019-07-05 | 汪一平 | Spindle axis vortex vane type vector propulsion device peculiar to vessel |
| CN109969367B (en) * | 2019-04-15 | 2024-04-05 | 汪一平 | Spindle shaft vortex vane type vector propulsion device for ship |
| CN112278215A (en) * | 2020-09-29 | 2021-01-29 | 北京蔚蓝集智科技有限公司 | Water jet propulsion device and water jet propulsion method and application thereof |
| CN112278215B (en) * | 2020-09-29 | 2023-08-22 | 北京蔚蓝集智科技有限公司 | Water spraying propulsion device and water spraying propulsion method and application thereof |
| CN112229601A (en) * | 2020-10-12 | 2021-01-15 | 中国船舶工业集团公司第七0八研究所 | Pulsating pressure test system for rotating impeller of water jet propulsion hydraulic model |
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| CN103950528B (en) | 2017-04-05 |
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