CN102285441A - Axial flow water jet propulsion pump - Google Patents
Axial flow water jet propulsion pump Download PDFInfo
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- CN102285441A CN102285441A CN2011101996406A CN201110199640A CN102285441A CN 102285441 A CN102285441 A CN 102285441A CN 2011101996406 A CN2011101996406 A CN 2011101996406A CN 201110199640 A CN201110199640 A CN 201110199640A CN 102285441 A CN102285441 A CN 102285441A
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- pump
- pump shaft
- water jet
- axial flow
- outer bearing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 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 claims abstract description 35
- 238000005452 bending Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003042 antagnostic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses an axial flow water jet propulsion pump, which comprises a pump body, wherein the pump body comprises a cylindrical middle section; the front end and the rear end of the cylindrical middle section are provided with an entire flow jet nozzle and a flow inlet bent cylinder respectively; an inner bearing pedestal is arranged in the cylindrical middle section and is coaxial with the cylindrical middle section; guide vanes are connected between the periphery of the inner bearing pedestal and the inner wall of the cylindrical middle section; pump shafts are arranged in the pump body; after the front ends of the pump shafts pass through the inner bearing pedestal, and before the front ends of the pump shafts extend out of the inner bearing pedestal, both the pump shafts on the two sides of the inner bearing pedestal are provided with impellers; and the rear ends of the pump shafts penetrate through a bend of the flow inlet bent cylinder, are provided with first outer bearing pedestals and penetrate into the first outer bearing pedestals. The axial flow water jet propulsion pump is characteristics in that: the sections of pump shafts between the part outside the bend and the first outer bearing pedestals are provided with bevel gears; and the diameter of the front end of each bevel gear is less than that of the rear end of the bevel gear. The axial flow water jet propulsion pump has the advantages of simple structure, short axial size, light weight and low manufacturing cost and is suitable to be mounted on a ship to propel the ship to sail.
Description
Technical field
The present invention relates to a kind of propulsion of ship mechanism.Specifically, be the axial flow water jet propulsion pump that is used for advancing ship's navigation.
Background technology
Know all that in the shipbuilding industry at present, the axial flow water jet propulsion pump that uses on the boats and ships comprises the pump housing, this pump housing contains cylindric interlude, and the front-end and back-end of cylindric interlude have rectification spout and the curved tube of influent stream respectively, in the cylindric interlude inner pedestal are arranged.Described inner pedestal is coaxial with cylindric interlude, is connected with stator around the inner pedestal and between cylindric interlude inwall.Pump shaft is arranged in the pump housing, and the pump shaft front end stretched out before inner pedestal after passing inner pedestal, and on the pump shaft of inner pedestal both sides impeller was arranged all.The pump shaft rear end passes outside the bending place of the curved tube of influent stream, and there is first outer bearing carrier described bending place, and the pump shaft rear end penetrates in first outer bearing carrier.Under the running condition, be furnished with electrical motor on the ship, the output shaft of electrical motor links to each other with rear end of spindle.During work,, the water inlet of water from the curved tube of influent stream sucked, quicken the back from the ejection of rectification spout, utilize the antagonistic force of current to promote boats and ships and advance by impeller by the rotation of motor drives pump shaft and impeller.When needs drive two axial flow boost pumps simultaneously with an electrical motor, if adopt axial imput power from pump shaft, then must be equipped with a large-scale auxiliary gear box or many small-sized auxiliary gear boxs, not only complex structure, axial dimension are grown, weight is heavier, and manufacturing cost is higher.
Summary of the invention
The problem to be solved in the present invention provides a kind of axial flow water jet propulsion pump.This axial flow water jet propulsion pump, simple in structure, axial dimension short, in light weight, low cost of manufacture.
For addressing the above problem, take following technical scheme:
Axial flow water jet propulsion pump of the present invention comprises the pump housing, and this pump housing contains cylindric interlude, and the front-end and back-end of cylindric interlude have rectification spout and the curved tube of influent stream respectively, are provided with inner pedestal in the cylindric interlude.Described inner pedestal is coaxial with cylindric interlude, is connected with stator around the inner pedestal and between cylindric interlude inwall.Be provided with pump shaft in the pump housing, the pump shaft front end stretched out before inner pedestal after passing inner pedestal, and on the pump shaft of inner pedestal both sides impeller was arranged all.The pump shaft rear end passes outside the bending place of the curved tube of influent stream, and the pump shaft rear end is provided with first outer bearing carrier, and the pump shaft rear end penetrates in this first outer bearing carrier.Be characterized in stretching out the bending outside to that section pump shaft between first outer bearing carrier, finishing bevel gear cuter is installed, the point diameter of this finishing bevel gear cuter is less than its rear end.
The further improvement of the present invention scheme is, is processed with axis hole in the bending place of the curved tube of influent stream, is provided with second outer bearing carrier in the axis hole, and pump shaft cooperates by being activity between this second outer bearing carrier and described axis hole.
Take such scheme, have the following advantages:
By such scheme as can be seen, be provided with finishing bevel gear cuter owing to stretch out outside the bending to that section pump shaft between first outer bearing carrier, the point diameter of this finishing bevel gear cuter is less than its rear end.When need drive two axial flow water jet propulsion pumps simultaneously with an electrical motor, as long as between two axial flow water jet propulsion pumps that are symmetric arrangement, an auxiliary gear box that volume and weight is less is set, make the auxiliary gear box both sides stretch out a minor axis, a finishing bevel gear cuter is also installed in the minor axis outer end, and these two finishing bevel gear cuters are meshed together respectively with the finishing bevel gear cuter of the pump shaft rear end of two axial flow water jet propulsion pump, power is inputed to the axial flow water jet propulsion pump from the direction perpendicular to pump shaft, must not be equipped with large-scale auxiliary gear box or many small-sized auxiliary gear boxs, not only simplify the structure, it is long to have dwindled axial dimension, alleviate weight, and also reduced manufacturing cost.
Description of drawings
Fig. 1 is an axial flow water jet propulsion pump structural representation of the present invention;
Fig. 2 is the scheme drawing that adopts two axial flow boost pumps of a direct motor drive.
The specific embodiment
As shown in Figure 1, axial flow water jet propulsion pump of the present invention comprises the pump housing, and this pump housing contains cylindric interlude 5, and the front-end and back-end of cylindric interlude 5 are connected to rectification spout 1 and the curved tube 6 of influent stream respectively, are provided with inner pedestal 3 in the cylindric interlude 5.Described inner pedestal 3 is coaxial with cylindric interlude 5, and around the inner pedestal 3 and two ends that 4, three stators 4 of three stators are set between cylindric interlude 5 inwalls are fixed together with cylindric interlude 5 inwalls of inner pedestal 3 outer rings and the pump housing respectively.Be provided with pump shaft 7 in the pump housing, pump shaft 7 front ends stretched out before inner pedestal 3 after passing inner pedestal 3, on the pump shaft 7 of inner pedestal 3 both sides impeller 2 were installed all.Bending place at the curved tube 6 of influent stream is processed with axis hole, and second outer bearing carrier 8 is installed in the axis hole, and pump shaft 7 cooperates by being activity between this second outer bearing carrier and described axis hole.Pump shaft 7 rear ends pass outside the bending place of the curved tube 6 of influent stream, and pump shaft 7 rear end are provided with first outer bearing carrier 10, and pump shaft 7 rear ends penetrate in this first outer bearing carrier.Be fixed with finishing bevel gear cuter 9 on that section pump shaft 7 between second outer bearing carrier 8 and first outer bearing carrier 10, the point diameter of this finishing bevel gear cuter is less than its rear end.See Fig. 2, when need adopt a motor 12 to drive two axial flow water jet propulsion pumps, as long as between two axial flow water jet propulsion pumps that are symmetric arrangement, an auxiliary gear box 11 that volume and weight is less is set, make auxiliary gear box 11 both sides respectively stretch out a minor axis, a finishing bevel gear cuter is all installed in the minor axis outer end, and these two finishing bevel gear cuters are meshed together with the finishing bevel gear cuter 9 of pump shaft 7 rear ends of two axial flow water jet propulsion pump respectively, power can be inputed to the axial flow water jet propulsion pump from the direction perpendicular to pump shaft 7.
Claims (2)
1. an axial flow water jet propulsion pump comprises the pump housing, and this pump housing contains cylindric interlude (5), and the front-end and back-end of cylindric interlude (5) have rectification spout (1) and the curved tube of influent stream (6) respectively, and inner pedestal (3) is arranged in the cylindric interlude (5); Described inner pedestal (3) is coaxial with cylindric interlude (5), and inner pedestal (3) is connected with stator (4) all around and between cylindric interlude (5) inwall; Pump shaft (7) is arranged in the pump housing, and pump shaft (7) front end stretches out at inner pedestal (3) before after passing inner pedestal (3), and on the pump shaft (7) of inner pedestal (3) both sides impeller (2) is arranged all; Pump shaft (7) rear end passes outside the bending place of the curved tube of influent stream (6), and there is first outer bearing carrier (10) pump shaft (7) rear end, and pump shaft (7) rear end penetrates in this first outer bearing carrier; It is characterized in that stretching out the bending outside to that section pump shaft (7) between first outer bearing carrier (10), finishing bevel gear cuter (9) is arranged, the point diameter of this finishing bevel gear cuter is less than its rear end.
2. axial flow water jet propulsion pump according to claim 1 is characterized in that there is axis hole the bending place of the curved tube of influent stream (6), and second outer bearing carrier (8) is arranged in the axis hole, and pump shaft (7) cooperates by being activity between this second outer bearing carrier and described axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101996406A CN102285441A (en) | 2011-07-18 | 2011-07-18 | Axial flow water jet propulsion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101996406A CN102285441A (en) | 2011-07-18 | 2011-07-18 | Axial flow water jet propulsion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102285441A true CN102285441A (en) | 2011-12-21 |
Family
ID=45332248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101996406A Pending CN102285441A (en) | 2011-07-18 | 2011-07-18 | Axial flow water jet propulsion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102285441A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291651A (en) * | 2013-06-08 | 2013-09-11 | 江苏科技大学 | Double-stage variable-speed oppositely-rotating axial flow pump flow passage component for water spraying propelling |
| CN103950528A (en) * | 2014-04-10 | 2014-07-30 | 湖北三江船艇科技有限公司 | Axial-flow type water-jet propulsion pump |
| CN109263842A (en) * | 2018-10-31 | 2019-01-25 | 中船黄埔文冲船舶有限公司 | A kind of impeller shaft and installation method of hydraulic jet propulsion system |
| WO2019200681A1 (en) * | 2018-04-16 | 2019-10-24 | 江苏大学 | Three-stage contra-rotating axial flow pump driven by single shaft |
| CN115924045A (en) * | 2022-12-05 | 2023-04-07 | 中国船舶集团有限公司第七〇八研究所 | A double-split water jet propulsion inflow pipeline structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB770712A (en) * | 1954-04-01 | 1957-03-20 | Stork Koninklijke Maschf | Rotary machine having a rotor provided with adjustable vanes |
| CN2043679U (en) * | 1987-11-23 | 1989-08-30 | 张兴有 | Semisubmersible axial-flow pump |
| CN2464632Y (en) * | 2001-01-09 | 2001-12-12 | 中国人民解放军63983部队 | Axial flow water injection propelling pump |
| CN201129307Y (en) * | 2007-08-29 | 2008-10-08 | 王德文 | Axial-flow pump gearing shaft jointing system |
| CN201292005Y (en) * | 2008-11-10 | 2009-08-19 | 昆山市美吉动力机械科技有限公司 | Propulsion pump |
| CN201443522U (en) * | 2009-07-22 | 2010-04-28 | 杨广平 | Efficient energy-saving water elevator |
| CN202180927U (en) * | 2011-07-18 | 2012-04-04 | 中国人民解放军63983部队 | Axial flow water spray propulsion pump |
-
2011
- 2011-07-18 CN CN2011101996406A patent/CN102285441A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB770712A (en) * | 1954-04-01 | 1957-03-20 | Stork Koninklijke Maschf | Rotary machine having a rotor provided with adjustable vanes |
| CN2043679U (en) * | 1987-11-23 | 1989-08-30 | 张兴有 | Semisubmersible axial-flow pump |
| CN2464632Y (en) * | 2001-01-09 | 2001-12-12 | 中国人民解放军63983部队 | Axial flow water injection propelling pump |
| CN201129307Y (en) * | 2007-08-29 | 2008-10-08 | 王德文 | Axial-flow pump gearing shaft jointing system |
| CN201292005Y (en) * | 2008-11-10 | 2009-08-19 | 昆山市美吉动力机械科技有限公司 | Propulsion pump |
| CN201443522U (en) * | 2009-07-22 | 2010-04-28 | 杨广平 | Efficient energy-saving water elevator |
| CN202180927U (en) * | 2011-07-18 | 2012-04-04 | 中国人民解放军63983部队 | Axial flow water spray propulsion pump |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291651A (en) * | 2013-06-08 | 2013-09-11 | 江苏科技大学 | Double-stage variable-speed oppositely-rotating axial flow pump flow passage component for water spraying propelling |
| CN103950528A (en) * | 2014-04-10 | 2014-07-30 | 湖北三江船艇科技有限公司 | Axial-flow type water-jet propulsion pump |
| WO2019200681A1 (en) * | 2018-04-16 | 2019-10-24 | 江苏大学 | Three-stage contra-rotating axial flow pump driven by single shaft |
| US11346357B2 (en) | 2018-04-16 | 2022-05-31 | Jiangsu University | Individual axis driven three stage counter rotating axial flow pump |
| CN109263842A (en) * | 2018-10-31 | 2019-01-25 | 中船黄埔文冲船舶有限公司 | A kind of impeller shaft and installation method of hydraulic jet propulsion system |
| CN115924045A (en) * | 2022-12-05 | 2023-04-07 | 中国船舶集团有限公司第七〇八研究所 | A double-split water jet propulsion inflow pipeline structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111221 |