CN109835453B - Multistage rotary tube type pump jet propeller - Google Patents
Multistage rotary tube type pump jet propeller Download PDFInfo
- Publication number
- CN109835453B CN109835453B CN201910292340.9A CN201910292340A CN109835453B CN 109835453 B CN109835453 B CN 109835453B CN 201910292340 A CN201910292340 A CN 201910292340A CN 109835453 B CN109835453 B CN 109835453B
- Authority
- CN
- China
- Prior art keywords
- pipe
- inner cavity
- right end
- main pipe
- flow distribution
- 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.)
- Active
Links
- 238000009826 distribution Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 238000005096 rolling process Methods 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000009987 spinning Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to mechanical equipment, and particularly relates to a multistage rotary tube pump jet propeller. The left end outer circumference of the outer conduit (12) is provided with a guide cone, the outer wall of the guide cone is provided with a plurality of side gill holes (2), the right end of the unwinding flow distribution pipe is connected with a plurality of coil pipes (11), each coil pipe is respectively composed of a main pipe, a plurality of branch pipes and a flow distribution plate, the plurality of branch pipes are uniformly distributed on the main pipe along the circumferential direction in a dispersing way, one end of each branch pipe is respectively connected with the main pipe and communicated with the inner cavity of the flow distribution plate, the other end of each branch pipe is respectively connected with the inner cavity of the right end of the main pipe of each coil pipe, and the right end face of the flow distribution plate is connected with the inner cavity of the left end of the main pipe of the coil pipe connected with the right side. The multistage structure can greatly reduce the radial size of the rotor under the condition of ensuring the same speed coefficient, so that the whole propeller has more compact structure, and the low torque and high rotating speed enable the flow field inside the propeller to flow at high speed, so that the propeller is more suitable for high-speed submarine propulsion.
Description
Technical Field
The invention belongs to mechanical equipment, and particularly relates to a multistage rotary tube pump jet propeller.
Background
The submarine has great significance for the sea defense of China, and the improvement of the navigational speed and the sound stealth of the submarine is two important problems in the manufacturing process of the submarine. The navigational speed of the submarine is mainly realized through the pump jet propeller, and the traditional pump jet propeller has Trail the oars resistance due to the existence of a propeller blade, a flow channel is discontinuous, blade tip leakage and vortex are necessarily caused due to a gap between the blade tip and a guide pipe, tip vortex cavitation is generated, and vibration and noise are aggravated, so that navigational speed and sound stealth are reduced, and high-speed submarine propulsion cannot be met.
Disclosure of Invention
The invention aims to overcome the technical defects and provide the multistage rotary tube type pump jet propeller which has a simple structure and can improve the navigational speed and the sound stealth and meet the requirement of high-speed diving propulsion.
The technical scheme adopted for solving the technical problems is as follows: the multistage rotary tube pump jet propeller comprises an outer guide tube, a shaft seal ring and a rolling bearing, and is characterized in that the whole of the outer guide tube is streamline, the left end head of the outer guide tube is provided with a water inlet, the right end head of the outer guide tube is provided with a water outlet, a water inlet grille is arranged in the water inlet, a tail diversion jet cone is arranged in the water outlet, the shape of the inner cavity of the tail diversion jet cone is small at the left end and large at the right end, a guide cone is arranged on the outer circumference of the left end of the outer guide tube, a plurality of side gill holes are arranged on the outer wall of the guide cone, the side gill holes are chute holes, the inclined direction faces to the tail part at the right end, a water inlet diversion cone is arranged in the inner cavity of the guide cone, the inner cavity of the water inlet diversion cone is small at the left end and small at the right end, a plurality of diversion cone reinforcing rib plates are welded and fixed between the inner cavity of the guide cone and the water inlet diversion cone, the right end of the water diversion cone is inserted into the left end of a de-swirl distribution pipe and keeps a gap with the water diversion pipe, the de-swirl distribution pipe is arranged on an inner boss in the middle part of the inner cavity of the outer guide tube, an oil seal ring I and a rolling bearing I are sequentially arranged between an inner boss in the middle of an inner cavity of an outer conduit and a de-spinning flow distribution pipe from left to right, a sleeve I is fixedly arranged on the outer circumference of the de-spinning flow distribution pipe on the right side of the rolling bearing I, the left end face of the sleeve is pressed on the right end face of the inner ring of the rolling bearing, the right end face of the sleeve is pressed on the left end face of a magnetic strip of a permanent magnet rotor, the magnetic strips of the permanent magnet rotor with N poles and S poles are alternately fixed on the outer circumference of the de-spinning flow distribution pipe, stator windings are fixedly arranged in the inner cavity of the outer conduit corresponding to the positions of the magnetic strips of the permanent magnet rotor, a motor is formed by the magnetic strips of the permanent magnet rotor fixed on the outer circumference of the de-spinning flow distribution pipe and the stator windings, a plurality of coils are welded and connected to the right end of the de-spinning flow distribution pipe for fixing the magnetic strips of the permanent magnet rotor, each coil body is respectively composed of a main pipe, a plurality of branch pipes and a flow distribution disk, a plurality of branch pipes are uniformly and divergently distributed on a main pipe along the circumferential direction, one end of each branch pipe is respectively connected and communicated with the main pipe, the other end of each branch pipe is respectively connected and communicated with the inner cavity of the right end of the main pipe of the corresponding coil body, the left end face of each valve plate is sealed and communicated with the inner cavity of the left end of the main pipe of the corresponding coil body connected with the right side, the right end of the right-most coil body is welded and connected with a tail rectifying pipe, the tail rectifying pipe is arranged on an inner boss of the right end in an inner cavity of an outer guide pipe, a shaft seal ring II and a rolling bearing II are sequentially arranged between the inner boss of the right end in the inner cavity of the outer guide pipe and the tail rectifying pipe from right to left, a sleeve II is fixedly arranged on the outer circumference of the tail rectifying pipe between the rolling bearing II and the plurality of coil bodies, the left end face of the sleeve II is pressed on the right end face of the corresponding coil body, the right end face of the sleeve II is pressed on the left end face of the inner ring of the rolling bearing II, and the right end of the tail rectifying pipe is arranged in the inner cavity of the tail diversion cone.
The beneficial effects of the invention are as follows: the multistage rotary tube pump jet propeller has simple structure, and the continuous flow passage is adopted, so that the tip vortex cavitation can be eliminated on the inner wall of the outer guide pipe without an overflow surface, and the resistance in the propulsion is greatly reduced. The multistage structure can greatly reduce the radial size of the rotor under the condition of ensuring the same speed coefficient, so that the whole propeller has more compact structure, and the low torque and high rotating speed enable the flow field inside the propeller to flow at high speed, so that the propeller is more suitable for high-speed submarine propulsion.
Drawings
The following is a detailed description of embodiments with reference to the accompanying drawings.
Fig. 1 is a cross-sectional view of a multi-stage rotary-tube pump jet propeller.
Fig. 2 is an enlarged view of fig. 1 at i.
Fig. 3 is an enlarged view at ii in fig. 1.
In the figure, 1-a water inlet grille; 2-side gill holes; 3-a water inlet guide cone; 4-a diversion cone reinforcing rib plate; 5-de-swirl flow tube; 6-shaft seal ring I; 7-rolling bearing one; 8-sleeve I; 9-stator windings; 10-a magnetic strip of a permanent magnet rotor; 11-coil body; 11-1-port plate; 11-2 branch pipes; 11-3-main pipe; 12-an outer catheter; 12-1-water inlet; 12-2-water outlet; 12-3-guiding cone; 13-tail rectifier tube; 14-tail diversion spray cone; 15-a second shaft seal ring; 16-a second rolling bearing; 17-sleeve two.
Detailed Description
In the embodiment, referring to fig. 1-3, the whole of an outer conduit 12 of the multistage rotary-tube pump jet propeller is streamline, a water inlet 12-1 is arranged at the left end of the outer conduit 12, and a water outlet 12-2 is arranged at the right end of the outer conduit 12. The water inlet 12-1 is internally provided with a water inlet grille 1 for preventing foreign matters from entering an internal flow passage, the water outlet 12-2 is internally provided with a tail diversion spray cone 14, and the shape of the inner cavity of the tail diversion spray cone 14 is that the left end is small and the right end is large. The outer circumference of the left end of the outer guide pipe 12 is provided with a guide cone 12-3, the outer wall of the guide cone 12-3 is provided with a plurality of side gill holes 2, the side gill holes 2 are chute holes, the inclined direction faces the tail part of the right end, the side gill holes 2 can ensure and increase water inflow, and internal cavitation caused by insufficient water supply due to gradual pressurization is prevented. The inner cavity of the guide cone 12-3 is provided with a water inlet guide cone 3, the inner cavity of the water inlet guide cone 3 is large at the left end and small at the right end, a plurality of guide cone reinforcing rib plates 4 are used for welding and fixing the inner cavity of the guide cone 12-3 and the water inlet guide cone 3, and the right end of the water inlet guide cone 3 is inserted into the left end of the de-swirl distributing pipe 5 and keeps a gap with the left end. The de-swirl flow distribution pipe 5 is arranged on an inner boss in the middle of the inner cavity of the outer conduit 12, an oil seal ring I6 and a rolling bearing I7 are sequentially arranged between the inner boss in the middle of the inner cavity of the outer conduit 12 and the de-swirl flow distribution pipe 5 from left to right, and a sleeve I8 is fixedly arranged on the outer circumference of the de-swirl flow distribution pipe 5 on the right side of the rolling bearing I7. The left end face of the sleeve I8 is pressed on the right end face of the inner ring of the rolling bearing I7, the right end face of the sleeve I8 is pressed on the left end face of the permanent magnet rotor magnetic strip 10, and the N pole and the S pole of the permanent magnet rotor magnetic strip 10 are fixed on the outer circumference of the de-swirling flow distributing pipe 5. the stator winding 9 is fixed in the position of the inner cavity of the outer conduit 12 corresponding to the position of the permanent magnet rotor magnetic strip 10, a gap is reserved between the permanent magnet rotor magnetic strip 10 and the stator winding 9, and the permanent magnet rotor magnetic strip 10 and the stator winding 9 fixed on the outer circumference of the de-spinning flow distribution pipe 5 form a motor. The right end of the unwinding flow distribution pipe 5 fixedly provided with the permanent magnet rotor magnetic stripe 10 is welded with four coil pipe bodies 11, each coil pipe body 11 is respectively composed of a main pipe 11-3, a plurality of branch pipes 11-2 and a flow distribution plate 11-1, the plurality of branch pipes 11-2 are uniformly distributed on the main pipe 11-3 in a circumferential direction in a dispersing mode, one end of each branch pipe 11-2 is respectively connected and communicated with the main pipe 11-3, the other end of each branch pipe 11-2 is respectively connected and communicated with the inner cavity of the flow distribution plate 11-1, the left end face of each flow distribution plate 11-1 seals the inner cavity of the right end of the main pipe 11-3 of the coil pipe body 11, and the right end face of the flow distribution plate 11-1 is connected and communicated with the inner cavity of the left end of the main pipe 11-3 of the coil pipe body 11 connected on the right side. The right end of the right-most coil body 11 is welded and connected with a tail rectifying tube 13, the tail rectifying tube 13 is arranged on an inner boss at the right end in an inner cavity of the outer guide tube 12, a second shaft seal ring 15 and a second rolling bearing 16 are sequentially arranged between the inner boss at the right end in the inner cavity of the outer guide tube 12 and the tail rectifying tube 13 from right to left, and a second sleeve 17 is fixedly arranged on the outer circumference of the tail rectifying tube 13 between the second rolling bearing 16 and the plurality of coil bodies 11. The left end face of the second sleeve 17 is pressed on the right end face of the coil body 11, the right end face of the second sleeve 17 is pressed on the left end face of the inner ring of the second rolling bearing 16, and the right end of the tail rectifying tube 13 is arranged in the inner cavity of the tail diversion spray cone 14.
The working process of the multistage rotary tube pump jet propeller is as follows: when in work, the whole outer conduit 12 is required to be placed in water, and the rotor system consisting of the unwinding flow distribution pipe 5, the permanent magnet rotor magnetic strip 10, the four coil bodies 11 and the tail rectifying pipe 13 is powered by the stator winding 9 to drive the permanent magnet rotor magnetic strip 10 to rotate, so that the whole rotor is driven to rotate. Under the drive of leading negative pressure, water enters the inner cavity of the guide cone 12-3 from the water inlet grille 1 of the water inlet 12-1 in the direction indicated by an arrow in the figure, water can also enter the inner cavity of the guide cone 12-3 from the side gill hole 2, and after entering the inner cavity of the guide cone 12-3, the water is collected through the water inlet guide cone 3 and then sucked into the de-swirl distributing pipe 5 for distribution and distribution, and then flows into the plurality of spiral pipe bodies 11 for pressurization. The principle of pressurization is that fluid is rotated at high speed from the de-swirl flow distribution pipe 5 and the multi-stage coil body 11 to realize multi-stage pressurization, so that propulsive force is generated, the fluid flows through internal flow channels of the de-swirl flow distribution pipe 5 and the multi-stage coil body 11, the inner wall of the outer conduit 12 is not an overflow surface except for the water inlet flow guide cone 3, water is thrown outwards by centrifugal force of each branch pipe 11-2 of the plurality of coil bodies 11 after rotating, and the water is driven to flow into the flow distribution plate 11-1 from the main pipe 11-3 through the branch pipe 11-2, and then the next stage pressurization is carried out. The high outlet pressure and high flow rate can be obtained after multistage pressurization, the high outlet pressure and high flow rate are rectified and noise reduced through the tail rectifying tube 13 and then sprayed out through the tail diversion spray cone 14, so that the propelling force is realized, and the propelling force is the result of the combined action of the suction negative pressure of the water inlet 12-1 and the spraying pressure of the tail water outlet 12-2.
Claims (1)
1. The multistage rotary tube pump jet propeller comprises an outer guide tube (12) and a de-swirl flow distribution tube (5), and is characterized in that a guide cone (12-3) is arranged on the outer circumference of the left end of the outer guide tube (12), a water inlet guide cone (3) is arranged in an inner cavity of the guide cone (12-3), the inner cavity of the water inlet guide cone (3) is large at the left end and small at the right end, a plurality of guide cone reinforcing rib plates (4) are welded and fixed between the inner cavity of the guide cone (12-3) and the water inlet guide cone (3), a plurality of side gill holes (2) are arranged on the outer wall of the guide cone (12-3), the whole of the outer guide tube (12) is streamline, the left end of the outer conduit (12) is provided with a water inlet (12-1), the right end of the outer conduit (12) is provided with a water outlet (12-2), a water inlet grille (1) is arranged in the water inlet (12-1), a tail diversion spray cone (14) is arranged in the water outlet (12-2), a de-swirl distributing pipe (5) is arranged on an inner boss in the middle of an inner cavity of the outer conduit (12), an oil seal ring I (6) and a rolling bearing I (7) are sequentially arranged between the inner boss in the middle of the inner cavity of the outer conduit (12) and the de-swirl distributing pipe (5) from left to right, a sleeve I (8) is fixedly arranged on the outer circumference of the de-swirl distributing pipe (5) on the right side of the rolling bearing I (7), the left end face of the sleeve I (8) is pressed on the right end face of the inner ring of the rolling bearing I (7), the right end face of the sleeve I (8) is pressed on the left end face of the permanent magnet rotor magnetic strip (10), the N pole and the S pole of the permanent magnet rotor magnetic strip (10) are alternately fixed on the outer circumference of the unwinding flow distribution pipe (5), the stator winding (9) is fixedly arranged at the position of the inner cavity of the outer guide pipe (12) corresponding to the position of the permanent magnet rotor magnetic strip (10), a gap is reserved between the permanent magnet rotor magnetic strip (10) and the stator winding (9), the permanent magnet rotor magnetic strip (10) and the stator winding (9) are fixed on the outer circumference of the unwinding flow distribution pipe (5) to form a motor, the right end of the unwinding flow distribution pipe (5) fixedly provided with the permanent magnet rotor magnetic strip (10) is connected with a plurality of coil bodies (11), each coil body (11) is respectively composed of a main pipe (11-3), a plurality of branch pipes (11-2) and a flow distribution plate (11-1) are respectively arranged on the main pipe (11-3) in a circumferential direction, a plurality of branch pipes (11-2) are uniformly dispersed and distributed along the circumferential direction, each branch pipe (11-2) is respectively connected with one end of the main pipe (11-2) and the other end of the main pipe (11-2) is respectively connected with one end of the main pipe (11-2, the left end face of each valve plate (11-1) seals the inner cavity of the right end of the main pipe (11-3) of the coil body (11), the right end face of the valve plate (11-1) is connected with the inner cavity of the left end of the main pipe (11-3) of the coil body (11) connected with the right side, the right end of the right-most coil body (11) is welded and connected with a tail rectifying tube (13), and the tail rectifying tube (13) is arranged on an inner boss of the right end in the inner cavity of the outer guide pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292340.9A CN109835453B (en) | 2019-04-12 | 2019-04-12 | Multistage rotary tube type pump jet propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292340.9A CN109835453B (en) | 2019-04-12 | 2019-04-12 | Multistage rotary tube type pump jet propeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109835453A CN109835453A (en) | 2019-06-04 |
| CN109835453B true CN109835453B (en) | 2024-07-19 |
Family
ID=66887123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910292340.9A Active CN109835453B (en) | 2019-04-12 | 2019-04-12 | Multistage rotary tube type pump jet propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109835453B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113525649A (en) * | 2020-03-29 | 2021-10-22 | 苏州市臻湖流体技术有限公司 | A2B2C type shaftless pump jet propeller fluid module ducted structure technology |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209795795U (en) * | 2019-04-12 | 2019-12-17 | 辽宁工程技术大学 | Multistage rotary pipe type pump jet propeller |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191510152A (en) * | 1915-07-12 | 1916-07-12 | Richard Ambrose Holbech | An Improved Propeller for Vessels in a Fluid such as Water or Air. |
| GB715785A (en) * | 1951-10-24 | 1954-09-22 | Cem Comp Electro Mec | A jet engine for propelling craft in a liquid medium |
| GB1223700A (en) * | 1968-12-23 | 1971-03-03 | Ludwig Huber | Improvements in jet-propulsion units for water craft |
| DK140426B (en) * | 1976-11-01 | 1979-08-27 | Arborg O J M | Propulsion nozzle for means of transport in air or water. |
| AU2003267323A1 (en) * | 2003-08-19 | 2005-03-07 | Zoran Matic | Turbo-jet pump and water jet engine |
| CN100386244C (en) * | 2006-05-31 | 2008-05-07 | 中国人民解放军国防科学技术大学 | High speed ship thruster |
| RU60478U1 (en) * | 2006-09-08 | 2007-01-27 | Михаил Александрович Дегтерев | SUBMERSIBLE ENGINE |
| ITTO20120494A1 (en) * | 2012-06-07 | 2013-12-08 | Paolo Girotti | UNDERWATER VEHICLE, FOR USE FOR EXAMPLE FOR UNDERWATER EXPLORATIONS |
| KR101451849B1 (en) * | 2014-06-12 | 2014-10-17 | 송경진 | Propulsion and steering device installed below sea level of outside of right and left shipwall in a ship |
| KR20160015804A (en) * | 2014-07-31 | 2016-02-15 | 김영선 | AirJet high speed propulsion system with self electricity generation |
| CN204152800U (en) * | 2014-09-03 | 2015-02-11 | 郭学文 | A kind of Double-casing double-suction multi-stage centrifugal pump |
| CN108163173A (en) * | 2018-01-18 | 2018-06-15 | 朱幕松 | The shaftless pump spray nuclear submarine of low noise |
| CN109278967B (en) * | 2018-09-19 | 2020-04-21 | 中国舰船研究设计中心 | Tapping flow guider and pump jet propeller based on tapping flow guiding method |
-
2019
- 2019-04-12 CN CN201910292340.9A patent/CN109835453B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209795795U (en) * | 2019-04-12 | 2019-12-17 | 辽宁工程技术大学 | Multistage rotary pipe type pump jet propeller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109835453A (en) | 2019-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110697012B (en) | Nacelle type electric shaftless pump spraying propeller | |
| WO2009084168A1 (en) | Thrust generator | |
| CN209795795U (en) | Multistage rotary pipe type pump jet propeller | |
| CN205101247U (en) | Oblique flow ventilation blower | |
| CN202157978U (en) | Energy-saving tunnel type axial flow fan | |
| CN114056529B (en) | Rim driving propeller with dummy shaft structure | |
| US11073158B2 (en) | Centrifugal impeller assembly unit | |
| CN109835453B (en) | Multistage rotary tube type pump jet propeller | |
| CN113815833B (en) | Low friction power consumption rim driven propulsion system | |
| CN107972837A (en) | Combined type pump-jet propulsor | |
| CN210364334U (en) | Integrated vector pump propulsion system | |
| CN110697011B (en) | Machine-oar-body integrated propulsion unit | |
| CN111169613A (en) | Double-stator driving and power unit integrated ternary vector pump jet propeller | |
| JP2003214309A (en) | Generator-integrated waterwheel and motor-integrated pump | |
| WO2021184592A1 (en) | Permanent magnet direct drive-type gas film resistance reduction slurry pump | |
| CN210258797U (en) | Non-resonance magnetic suspension mute submarine propeller | |
| CN214617056U (en) | Shaftless fluid jet equipment | |
| CN211874765U (en) | Centrifugal through-flow high-jet-speed water and mist injection device | |
| CN110254674B (en) | Non-resonance magnetic suspension mute submarine propeller | |
| CN116495158B (en) | Ducted shaftless water jet propeller | |
| CN211076298U (en) | Pod type electric shaftless pump spraying propeller | |
| CN209856098U (en) | Novel impeller assembly of centrifugal pump | |
| CN107701510B (en) | Fluid driving impeller with high pressurization, high efficiency, low noise, small volume and light weight | |
| CN216611560U (en) | Tandem underwater propeller without propeller | |
| CN217682504U (en) | Pressure pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |