CN204056276U - Boats and ships PODDED PROPULSOR - Google Patents
Boats and ships PODDED PROPULSOR Download PDFInfo
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- CN204056276U CN204056276U CN201420456369.9U CN201420456369U CN204056276U CN 204056276 U CN204056276 U CN 204056276U CN 201420456369 U CN201420456369 U CN 201420456369U CN 204056276 U CN204056276 U CN 204056276U
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Abstract
The utility model is a kind of boats and ships PODDED PROPULSOR, described propelling unit includes housing, shell one end is provided with counter rotating propeller mechanism, the sun and planet gear being provided with birotor drive motor in housing and being connected with this motor, and described sun and planet gear is connected with described counter rotating propeller mechanism driving.Propeller structure of the present utility model can make motor speed bring up to the several times even decades of times of motor speed in conventional PODDED PROPULSOR, the rotating speed of motor can be made to be in a best operating range, improve the efficiency of motor; This structure can also reduce the volume and weight of motor and gondola greatly, to reduce the water resistance of gondola; First screw propeller is contrary with the second propeller turning direction simultaneously, making the circumferential induction velocity in wake flow trend towards zero, can improve the propulsion coefficient of boats and ships, realizing energy-saving and emission-reduction by reasonably designing.
Description
Technical field
The utility model is about a kind of propeller structure, particularly relates to a kind of boats and ships PODDED PROPULSOR.
Background technology
PODDED PROPULSOR is the marine propulsion of a kind of advanced person, screw propeller can be avoided to work mixing in stream of boat tail complexity, improve propulsion of ship efficiency, energy-saving and emission-reduction; Significantly can also improve the operating characteristic of boats and ships simultaneously, even can allow boats and ships cast if desired.
Screw propeller in PODDED PROPULSOR has three kinds of type of drive usually, is that the primary mover that submersible machine Direct driver, under water oil motor drive and propulsion source is positioned at cabin is driven by spiral bevel gear pair respectively.
The wherein mode of submersible machine Direct driver, because it does not take space in storehouse, gondola can, away from diesel engine or automotive gas turbine, large ship be applied more.But submersible machine direct drive mode Problems existing is, the rotating speed of large ship screw propeller is very low, and the power of motor density of usual structure is not ideal enough, and motor volume is excessive, and large diameter gondola can produce larger water resistance, affects the propulsion coefficient of screw propeller.The solution of U.S. army's surface craft adopts high-temperature superconducting motor, but for most ship for civil use, this solution had both existed the technology barriers being difficult to go beyond, and there is a unaffordable Cost Problems again.
All the other two kinds of type of drive, owing to taking space in a large amount of cabin, seldom adopt.Especially adopt the type of drive of oil pump-oil motor, not only take space in cabin, and driving efficiency is lower, applicable area is very limited.
Moreover common PODDED PROPULSOR only has a propelling screws, in the wake flow of screw propeller, existing speed component backward, has again the induction velocity component rotated around propeller axis; Wherein speed component backward produces the antagonistic force that propelling ship advances, and the induction velocity component rotated around propeller axis is except the horsepower output of consumption of engine, does not produce any benefit.Will solve the rotational component problem in propeller race more up hill and dale, mode practical in engineering is the counter rotating propeller adopting two oar to be close to.But in above-mentioned three kinds of type of drive, except adopting the type of drive of oil pump-oil motor, all more difficult realization of other two kinds of type of drive.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of boats and ships PODDED PROPULSOR, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of boats and ships PODDED PROPULSOR, neither takies space in cabin, has again higher propulsion coefficient, improves ship operation performance, optimize office of overall portion and improve propulsion coefficient, the effect of energy-saving and emission-reduction to reach.
The purpose of this utility model realizes like this, a kind of boats and ships PODDED PROPULSOR, described propelling unit includes housing, shell one end is provided with counter rotating propeller mechanism, the sun and planet gear being provided with birotor drive motor in housing and being connected with this motor, described sun and planet gear is connected with described counter rotating propeller mechanism driving.
In a better embodiment of the present utility model, the first screw propeller of setting is close to by coaxial and front and back by described counter rotating propeller mechanism and the second screw propeller is formed; Described birotor drive motor at least includes the internal rotor and outer rotor that rotate with one heart and arrange; The satellite gear that described sun and planet gear includes internally toothed annulus, sun wheel and is engaged between internally toothed annulus, sun wheel; The pinion carrier of satellite gear is connected to the first screw propeller, and internally toothed annulus is connected to the second screw propeller; Described outer rotor is connected to internally toothed annulus, and internal rotor is connected to sun wheel.
In a better embodiment of the present utility model, the sun wheel in the internal rotor in birotor drive motor, outer rotor and sun and planet gear, pinion carrier, internally toothed annulus are all be bearing in described housing directly or indirectly through bearing.
In a better embodiment of the present utility model, the first screw propeller is contrary with the second propeller turning direction.
In a better embodiment of the present utility model, between described birotor drive motor and counter rotating propeller mechanism, multi-stage planetary gear mechanism is set.
From the above mentioned, propeller structure of the present utility model can make motor speed bring up to the several times even decades of times of motor speed in conventional PODDED PROPULSOR, the rotating speed of motor can be made to be in a best operating range, improve the efficiency of motor; This structure can also reduce the volume and weight of motor and gondola greatly, to reduce the water resistance of gondola; First screw propeller is contrary with the second propeller turning direction simultaneously, making the circumferential induction velocity in wake flow trend towards zero, can improve the propulsion coefficient of boats and ships, realizing energy-saving and emission-reduction by reasonably designing.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be the perspective view of the utility model boats and ships PODDED PROPULSOR.
Fig. 2: be the sectional structure schematic diagram of the utility model boats and ships PODDED PROPULSOR.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
As shown in Figure 1 and Figure 2, the utility model proposes a kind of boats and ships PODDED PROPULSOR 100, described propelling unit 100 includes housing 9, housing 9 one end is provided with counter rotating propeller mechanism 1, the sun and planet gear 2 being provided with birotor drive motor 1 in housing 9 and being connected with this motor 1, described sun and planet gear 2 is in transmission connection with described counter rotating propeller mechanism 3.
In the present embodiment, the first screw propeller 31 of setting is close to by coaxial and front and back and the second screw propeller 32 is formed by described counter rotating propeller mechanism 3; Described birotor drive motor 1 at least includes the internal rotor 11 and outer rotor 12 that rotate with one heart and arrange, and internal rotor 11 and outer rotor 12 turn on the contrary; Multiple satellite gears 23 that described sun and planet gear 2 includes internally toothed annulus 22, sun wheel 21 and is engaged between internally toothed annulus 22, sun wheel 21; The pinion carrier 24 of satellite gear 23 is connected to the first screw propeller 31, and internally toothed annulus 22 is connected to the second screw propeller 32; Described outer rotor 12 is connected to internally toothed annulus 22, and internal rotor 11 is connected to sun wheel 21.
Propeller structure of the present utility model can make motor speed bring up to the several times even decades of times of motor speed in conventional PODDED PROPULSOR, the rotating speed of motor can be made to be in a best operating range, improve the efficiency of motor; This structure can also reduce the volume and weight of motor and gondola greatly, to reduce the water resistance of gondola; First screw propeller is contrary with the second propeller turning direction simultaneously, making the circumferential induction velocity in wake flow trend towards zero, can improve the propulsion coefficient of boats and ships, realizing energy-saving and emission-reduction by reasonably designing.
In the present embodiment, as shown in Figure 2, the sun wheel in internal rotor, outer rotor and sun and planet gear in birotor drive motor, pinion carrier, internally toothed annulus are all be arranged in described housing rotationally by bearing; Described housing is gondola housing, inner and outer Rotator in the sun wheel of the first screw propeller, the second screw propeller, sun and planet gear, pinion carrier, internally toothed annulus and drive motor all has around the pivotal degree of freedom of gondola axis, therefore the bulkhead of gondola does not bear (except bearing friction torque) any axial moment; Thus only bear by the propulsive force from gondola for whole boats and ships, and by any torque from gondola, what make whole ship is stressedly in a better state.
Birotor drive motor in the utility model be birotor to rotating motor, make the propulsive effort of motor and the counter-force of water to screw propeller be in a dynamic balance state to rotating motor and counter rotating propeller mechanism, the torque of front and back screw propeller is tending towards equal; When the operating mode of propulsive mechanism changes, this mechanism adjusts to another state of equilibrium automatically, interferes without the need to any external world.
At present for the counter rotating propeller mechanism of marine propeller, although two screw propellers are in turning state, be fixing to the revolution ratio turned, two screw propellers are driven by same gear (or other actuating device); A screw propeller is with another propeller rotational, and whole system only has one degree of freedom, and when one of them screw propeller is fixed for a certain reason, another screw propeller must stop operating.This existing system does not possess the function of adjustment rotary speed ratio automatically, therefore can not reach a state of equilibrium automatically.
And the utility model has the function of adjustment propeller speed degree automatically, it has two degree of freedom, and particularly, when one of them screw propeller is fixed, another screw propeller can also rotate.The function of this two degree of freedom realizes jointly by counter rotating propeller with to rotating motor.When the operating mode of screw propeller changes, total adjusts rotating speed automatically, and reach another balance, this is a maximum feature of the present utility model.
In the utility model, the first screw propeller and the second screw propeller rotate with contrary direction, because the wake flow hand of rotation of the first screw propeller and the second screw propeller is contrary, consequently decrease the spin loss in wake flow.According to rational design, the circumferential induction velocity in wake flow can be made to be zero, make driving power to greatest extent for advancing, improving the drive efficiency of screw propeller.
The rotating speed of usual screw propeller is at 50-100r/min, and the Rational Rotation Speed of motor is at 1200-1800r/min, and boats and ships a large amount of at present adopt the mode of motor direct-drive screw propeller, make motor be in a very disadvantageous range of speed.And this slowspeed machine has to drive motor to be designed to very large volume due to the feature of motor itself, considerably increases water resistance and the weight of gondola.And propelling unit of the present utility model, motor to turn and sun and planet gear combined action under, can by reasonably designing transmitting ratio, when ensureing that propeller speed is constant, motor is made to be in more reasonably range of speed, this motor can be designed to less volume, thus reduces the volume and weight of whole gondola.
Described birotor drive motor in the utility model can be permagnetic synchronous motor, and its internal rotor is provided with permanent magnet; Or be asynchronous dynamo, its internal rotor is provided with mouse cage; Or be asynchronous dynamo, its internal rotor is provided with winding; Or be DC brushless motor, its internal rotor is provided with permanent magnet.
In the present embodiment, between described birotor drive motor and counter rotating propeller mechanism, multi-stage planetary gear mechanism can be set.
From the above mentioned, propeller structure of the present utility model can make motor speed bring up to the several times even decades of times of motor speed in conventional PODDED PROPULSOR, the rotating speed of motor can be made to be in a best operating range, improve the efficiency of motor; This structure can also reduce the volume and weight of motor and gondola greatly, to reduce the water resistance of gondola; First screw propeller is contrary with the second propeller turning direction simultaneously, making the circumferential induction velocity in wake flow trend towards zero, can improve the propulsion coefficient of boats and ships, realizing energy-saving and emission-reduction by reasonably designing.Propelling unit of the present utility model is suitable as the podded propeller of boats and ships very much, is also applicable to common marine propuision system, or for the dynamic positioning system (DPS) of boats and ships or platform.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (5)
1. a boats and ships PODDED PROPULSOR, it is characterized in that: described propelling unit includes housing, shell one end is provided with counter rotating propeller mechanism, the sun and planet gear being provided with birotor drive motor in housing and being connected with this motor, described sun and planet gear is connected with described counter rotating propeller mechanism driving.
2. boats and ships PODDED PROPULSOR as claimed in claim 1, is characterized in that: the first screw propeller of setting is close to by coaxial and front and back by described counter rotating propeller mechanism and the second screw propeller is formed; Described birotor drive motor at least includes the internal rotor and outer rotor that rotate with one heart and arrange; The satellite gear that described sun and planet gear includes internally toothed annulus, sun wheel and is engaged between internally toothed annulus, sun wheel; The pinion carrier of satellite gear is connected to the first screw propeller, and internally toothed annulus is connected to the second screw propeller; Described outer rotor is connected to internally toothed annulus, and internal rotor is connected to sun wheel.
3. boats and ships PODDED PROPULSOR as claimed in claim 2, is characterized in that: the sun wheel in the internal rotor in birotor drive motor, outer rotor and sun and planet gear, pinion carrier, internally toothed annulus are all be bearing in described housing directly or indirectly through bearing.
4. boats and ships PODDED PROPULSOR as claimed in claim 2, is characterized in that: the first screw propeller is contrary with the second propeller turning direction.
5. boats and ships PODDED PROPULSOR as claimed in claim 1, is characterized in that: arrange multi-stage planetary gear mechanism between described birotor drive motor and counter rotating propeller mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456369.9U CN204056276U (en) | 2014-08-13 | 2014-08-13 | Boats and ships PODDED PROPULSOR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420456369.9U CN204056276U (en) | 2014-08-13 | 2014-08-13 | Boats and ships PODDED PROPULSOR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204056276U true CN204056276U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420456369.9U Expired - Fee Related CN204056276U (en) | 2014-08-13 | 2014-08-13 | Boats and ships PODDED PROPULSOR |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204056276U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741798A (en) * | 2016-12-20 | 2017-05-31 | 福建海图智能科技有限公司 | A kind of propeller |
| CN108639298A (en) * | 2018-07-16 | 2018-10-12 | 常州高尔登科技有限公司 | A kind of direct drive electric shipboard |
| CN112512915A (en) * | 2018-07-05 | 2021-03-16 | Oxe马林有限公司 | Outboard motor |
| CN116215823A (en) * | 2023-03-22 | 2023-06-06 | 中国科学院宁波材料技术与工程研究所 | Conduit type deep sea propeller |
-
2014
- 2014-08-13 CN CN201420456369.9U patent/CN204056276U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741798A (en) * | 2016-12-20 | 2017-05-31 | 福建海图智能科技有限公司 | A kind of propeller |
| CN106741798B (en) * | 2016-12-20 | 2018-07-24 | 福建海图智能科技有限公司 | A kind of propeller |
| CN112512915A (en) * | 2018-07-05 | 2021-03-16 | Oxe马林有限公司 | Outboard motor |
| CN108639298A (en) * | 2018-07-16 | 2018-10-12 | 常州高尔登科技有限公司 | A kind of direct drive electric shipboard |
| CN116215823A (en) * | 2023-03-22 | 2023-06-06 | 中国科学院宁波材料技术与工程研究所 | Conduit type deep sea propeller |
| CN116215823B (en) * | 2023-03-22 | 2023-08-18 | 中国科学院宁波材料技术与工程研究所 | Conduit type deep sea propeller |
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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: 20141231 Termination date: 20150813 |
|
| EXPY | Termination of patent right or utility model |