CN202180927U - Axial flow water spray propulsion pump - Google Patents
Axial flow water spray propulsion pump Download PDFInfo
- Publication number
- CN202180927U CN202180927U CN2011202517052U CN201120251705U CN202180927U CN 202180927 U CN202180927 U CN 202180927U CN 2011202517052 U CN2011202517052 U CN 2011202517052U CN 201120251705 U CN201120251705 U CN 201120251705U CN 202180927 U CN202180927 U CN 202180927U
- Authority
- CN
- China
- Prior art keywords
- pump shaft
- pump
- bearing pedestal
- rear end
- axial flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000007921 spray Substances 0.000 title abstract 4
- 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 39
- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
he utility model discloses an axial flow water spray propulsion pump, which comprises a pump body. The pump body consists of a cylindrical intermediate segment and the front and rear ends of the cylindrical intermediate segment are respectively provided with a rectification nozzle and a flow inlet bent cylinder. An inner bearing pedestal is arranged inside the cylindrical intermediate segment. The inner bearing pedestal is coaxial with the cylindrical intermediate segment. The periphery of the inner bearing pedestal is connected with the inner wall of the cylindrical intermediate segment through guide vanes. A pump shaft is arranged inside the pump body. The front end of the pump shaft passing through the inner bearing pedestal extends out of the front of the inner bearing pedestal. The pump shaft is provided with impellers respectively at the two sides of the inner bearing pedestal. The rear end of the pump shaft extends to the outside of the bent part of the flow inlet bent cylinder. The rear end of the pump shaft is provided with a first outer bearing pedestal and the rear end of the pump shaft penetrates the first outer bearing pedestal. The axial flow water spray propulsion pump is characterized in that the pump shaft between the bent part of the flow inlet bent cylinder and the first outer bearing pedestal is provided with a bevel gear. The diameter of the front end of the bevel gear is smaller than the diameter of the rear end of the bevel gear. The axial flow water spray propulsion pump has the advantages of simple structure, small axial dimension, light weight and low manufacturing cost, thus is suitable for being installed on a ship for propelling the navigation of the ship.
Description
Technical field
The utility model 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.Said 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 said 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 through 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.
The utility model content
The problem that the utility model will solve 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:
The axial flow water jet propulsion pump of the utility model 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.Said 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 project of the utility model 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 said axis hole.
Take such scheme, have the following advantages:
Can find out that by such scheme 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, one volumes and the less auxiliary gear box of weight are 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 with the finishing bevel gear cuter of the pump shaft rear end of two axial flow water jet propulsion pump respectively; 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, dwindled axial dimension length, alleviated weight, and also reduced manufacturing cost.
Description of drawings
Fig. 1 is the axial flow water jet propulsion pump structural representation of the utility model;
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, the axial flow water jet propulsion pump of the utility model 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.Said inner pedestal 3 is coaxial with cylindric interlude 5, and the two ends that 4, three stators 4 of three stators are set around the inner pedestal 3 and 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 said 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.On that section pump shaft 7 between second outer bearing carrier 8 and first outer bearing carrier 10, be fixed with finishing bevel gear cuter 9, 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, one volumes and the less auxiliary gear box 11 of weight are 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, can power 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); Said 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 said axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202517052U CN202180927U (en) | 2011-07-18 | 2011-07-18 | Axial flow water spray propulsion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202517052U CN202180927U (en) | 2011-07-18 | 2011-07-18 | Axial flow water spray propulsion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202180927U true CN202180927U (en) | 2012-04-04 |
Family
ID=46173973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202517052U Expired - Lifetime CN202180927U (en) | 2011-07-18 | 2011-07-18 | Axial flow water spray propulsion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202180927U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285441A (en) * | 2011-07-18 | 2011-12-21 | 中国人民解放军63983部队 | Axial flow water jet propulsion pump |
| CN107719611A (en) * | 2017-09-27 | 2018-02-23 | 江苏科技大学海洋装备研究院 | A kind of hydraulic propeller with current distributor gear |
| CN108644126A (en) * | 2018-04-16 | 2018-10-12 | 江苏大学镇江流体工程装备技术研究院 | A kind of shaft-driven guide-vane of list is to revolving mixed-flow pump |
| CN108674579A (en) * | 2018-05-18 | 2018-10-19 | 中船黄埔文冲船舶有限公司 | The assembly method of runner body |
-
2011
- 2011-07-18 CN CN2011202517052U patent/CN202180927U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285441A (en) * | 2011-07-18 | 2011-12-21 | 中国人民解放军63983部队 | Axial flow water jet propulsion pump |
| CN107719611A (en) * | 2017-09-27 | 2018-02-23 | 江苏科技大学海洋装备研究院 | A kind of hydraulic propeller with current distributor gear |
| CN107719611B (en) * | 2017-09-27 | 2019-07-09 | 江苏科技大学海洋装备研究院 | A kind of hydraulic propeller with water flow distributor gear |
| CN108644126A (en) * | 2018-04-16 | 2018-10-12 | 江苏大学镇江流体工程装备技术研究院 | A kind of shaft-driven guide-vane of list is to revolving mixed-flow pump |
| CN108674579A (en) * | 2018-05-18 | 2018-10-19 | 中船黄埔文冲船舶有限公司 | The assembly method of runner body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120404 |