CN101633402B - Propeller device of dual-conduit nacelle - Google Patents
Propeller device of dual-conduit nacelle Download PDFInfo
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- CN101633402B CN101633402B CN2009101946433A CN200910194643A CN101633402B CN 101633402 B CN101633402 B CN 101633402B CN 2009101946433 A CN2009101946433 A CN 2009101946433A CN 200910194643 A CN200910194643 A CN 200910194643A CN 101633402 B CN101633402 B CN 101633402B
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Abstract
The invention relates to a propeller device of a dual-conduit nacelle, which belongs to the technical field of ship propulsion and comprises a main driving mechanism, two propeller revolving mechanisms and a nacelle revolving mechanism, wherein the main driving mechanism is respectively connected with the two propeller revolving mechanisms and fixedly arranged inside the nacelle revolving mechanism. The propeller device achieves longitudinal thrust by regulating the thrust direction of propellers, thereby being capable of resisting or generating a force to heave a platform (or a ship); and meanwhile, the revolving directions of the two propellers are set to be contrarotating, thereby effectively reducing the influence when the propellers are in trailing vortex.
Description
Technical field
What the present invention relates to is a kind of propelling unit of field of ocean engineering, specifically is a kind of propeller device of dual-conduit nacelle.
Background technology
Semisubmersible platform dynamic positioning propelling unit is the actuating unit of deep-sea dynamic positioning propulsion system, accepts the thrust instruction generation thrust that control system is sent.Dynamic positioning propulsion system in deep-sea generally adopts all-direction propeller, and its principal character is to realize 360 ° of comprehensive propellings.For now, relevant semisubmersible platform dynamic positioning propelling unit mostly is a single track pipe screw propeller thrust unit both at home and abroad, this device has certain defective on using, such as the vertical power of swinging with heave movement that can not produce control platform (or boats and ships), propeller race rotation etc.
Find through retrieval prior art, Chinese patent literature CN101475050A, put down in writing a kind of " semi-submerged platform dynamic positioning model test propulsion unit ", this technical description a kind of normal device based on dynamic positioning model test, can realize angle of rake 360 degree revolutions.But servomotor because the servomotor rotating speed is higher, therefore brings the strong and difficult leak free problem of vibrations in this technology in the platform buoyancy aid; Can not realize platform (or boats and ships) vertical swung control with heave movement, just can not produce thrust longitudinally, make that the Dynamic Positioning Control System of platform (or boats and ships) is perfect inadequately.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of propeller device of dual-conduit nacelle is provided, servomotor is placed in the exterior gondola of buoyancy aid, solved the bad leak free problem of platform buoyancy aid, because gondola is immersed in the water, increased dissipating area simultaneously, made radiating effect better; Take twin screw to arrange, realize the thrusts of horizontal 360 degree and vertical 360 degree, make that platform (or boats and ships) is vertical to be swung or the power of heave thereby can resist or produce by the thrust direction of adjusting screw propeller in the gondola both sides; The hand of rotation that two screw propellers are set simultaneously effectively reduces when the influence of screw propeller trailing vortex for to changeing.
The present invention is achieved by the following technical solutions, the present invention includes: main drive gear, two screw propeller swing type mechanisms and gondola swing type mechanism, wherein: main drive gear is connected with two screw propeller swing type mechanisms respectively, and main drive gear is fixedly set in the inside of gondola swing type mechanism.
Described main drive gear comprises: servomotor, first finishing bevel gear cuter, the middle tap gear, first adapter shaft, first straight gear, the third hand tap gear, first thrust baring, second thrust baring, axle in first, the 4th finishing bevel gear cuter, the 5th finishing bevel gear cuter, rotation oar axle and rotation oar, wherein: first finishing bevel gear cuter is arranged on the servomotor, the middle tap gear and first straight gear are fixedly set in the two ends of first adapter shaft respectively, first finishing bevel gear cuter and middle tap gear mesh, third hand tap gear and the 4th finishing bevel gear cuter are fixedly set in the two ends of axle in first respectively, first straight gear and third hand tap gear mesh, axle is connected with the screw propeller swing type mechanism in first, the 4th finishing bevel gear cuter and the engagement of the 5th finishing bevel gear cuter, the 5th finishing bevel gear cuter is arranged on the rotation oar axle, and the rotation oar is arranged on the rotation oar axle.
Described screw propeller swing type mechanism comprises: first stepping motor, second straight gear, the 6th finishing bevel gear cuter, first outer shaft, the 3rd thrust baring, first outer shaft, first gondola, the 4th bearing and mozzle, wherein: second straight gear is arranged on first stepping motor, second straight gear and the engagement of the 6th finishing bevel gear cuter, the first outer shaft two ends are provided with the 6th finishing bevel gear cuter and first gondola respectively, first outer shaft links to each other with the 3rd thrust baring and is arranged at the first outer shaft inside, the 4th bearing is arranged on the front end of first gondola, and mozzle is captiveed joint with prop shaft.
Described gondola swing type mechanism comprises: second stepping motor, the 3rd straight gear, the 4th straight gear, gondola axis of revolution, the 5th thrust baring, gondola swivel sleeve and second gondola, wherein: the 3rd straight gear is arranged on second stepping motor, the 3rd straight gear meshes in the 4th straight gear, the 4th straight gear is arranged on gondola axis of revolution end, and second gondola is connected gondola swivel sleeve inside by the 5th thrust baring.
The present invention carries out work in the following manner: servomotor drives the rotation of first finishing bevel gear cuter, first finishing bevel gear cuter is connected first straight gear with middle tap gear mesh, middle tap gear by first adapter shaft and rotates jointly, first straight gear drives axle rotation in first with the third hand tap gear mesh, at this moment, axle drives first thrust baring, the rotation of the second thrust baring inner ring in first, the outer ring is motionless, and the screw propeller swing type mechanism is not affected.The 4th finishing bevel gear cuter that install a lower end in first drives the prop shaft rotation with the engagement of the 5th finishing bevel gear cuter, thereby drives the screw propeller rotation.Second stepping motor drives the 3rd straight gear simultaneously, the 3rd straight gear and the engagement of the 4th straight gear drive the gondola axis of revolution, and the gondola axis of revolution fixedly mounts into an integral body with gondola, thereby realize the gyroscopic movement of gondola, change angle of rake azimuth, realize full circle swinging.
Hang down when needs control swing, during heave movement: servomotor drives the rotation of first finishing bevel gear cuter, first finishing bevel gear cuter is connected first straight gear with middle tap gear mesh, middle tap gear by first adapter shaft and rotates jointly, first straight gear drives axle rotation in first with the third hand tap gear mesh, at this moment, axle drives first thrust baring, the rotation of the second thrust baring inner ring in first, the outer ring is motionless, and the screw propeller swing type mechanism is not affected.The 4th finishing bevel gear cuter that install a lower end in first drives the prop shaft rotation with the engagement of the 5th finishing bevel gear cuter, thereby drives the screw propeller rotation.Simultaneously, the first stepping driven by motor, second straight gear is rotated, and second straight gear and the engagement of the 6th finishing bevel gear cuter drive first outer shaft and rotate, and the first outer shaft band the 3rd thrust baring inner ring and rotated, captive joint with the first outer shaft inner ring in the 3rd thrust baring outer ring, first outer shaft is motionless.First outer shaft fixedly mounts into an integral body with first gondola, conduit, promptly changes the azimuth of shrouded propeller, realizes the thrust perpendicular to the first interior axle.Vertical component can be used for the vertical of control platform or boats and ships and swings and heave movement in the thrust.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a gondola swing type mechanism structural representation.
Fig. 3 is a dual-conduit nacelle propelling unit monnolithic case scheme drawing.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 3, present embodiment comprises: main drive gear 1, two screw propeller swing type mechanisms 2 and gondola swing type mechanisms 3, wherein: main drive gear 1 and two screw propeller swing type mechanisms 2 are fixedly set in the inside of gondola swing type mechanism 3 respectively.
As depicted in figs. 1 and 2, described main drive gear 1 comprises: servomotor 4, first finishing bevel gear cuter 5, middle tap gear 6, first adapter shaft 7, first straight gear 8, third hand tap gear 9, first thrust baring 10, second thrust baring 11, axle 12 in first, the 4th finishing bevel gear cuter 13, the 5th finishing bevel gear cuter 14, prop shaft 15 and rotation oar 16, wherein: first finishing bevel gear cuter 5 is arranged on the servomotor 4, first finishing bevel gear cuter 5 and 6 engagements of middle tap gear, first adapter shaft, 7 two ends are provided with the middle tap gear 6 and first straight gear 8 respectively, first straight gear 8 and 9 engagements of third hand tap gear, axle 12 two ends are provided with third hand tap gear 9 and the 4th finishing bevel gear cuter 13 respectively in first, axle 12 installs in first outer shaft, 20 inside by first thrust baring 10 and second thrust baring 11 in first, the 4th finishing bevel gear cuter 13 and 14 engagements of the 5th finishing bevel gear cuter, the 5th finishing bevel gear cuter 14 is arranged on the prop shaft 15, and rotation oar 16 is arranged on the prop shaft 15.
Described middle tap gear 6 is fixedly together with first adapter shaft 7 and first straight gear 6 between first adapter shaft 7 keyway connects;
The mode of operation of described main drive gear 1 is: servomotor 4 drives 5 rotations of first finishing bevel gear cuter, first finishing bevel gear cuter 5 is connected first straight gear 8 by first adapter shaft 7 and rotates jointly with 6 engagements of middle tap gear, middle tap gear 6, first straight gear 8 drives axle 12 rotations in first with 9 engagements of third hand tap gear, the 4th finishing bevel gear cuter 13 that install a lower end in first is with 14 engagements of the 5th finishing bevel gear cuter, drive prop shaft 15 rotations, thus 16 rotations of driven rotary oar.
Described screw propeller swing type mechanism 2 comprises: first stepping motor 17, second straight gear 18, the 6th finishing bevel gear cuter 19, first outer shaft 20, the 3rd thrust baring 21, first outer shaft 22, first gondola 23, the 4th bearing 24, mozzle 25 and support 35, wherein: second straight gear 18 is arranged on first stepping motor 17, second straight gear 18 and 19 engagements of the 6th finishing bevel gear cuter, first outer shaft, 20 two ends are provided with the 6th finishing bevel gear cuter 19 and first gondola 23 respectively, first outer shaft 20 is connected first outer shaft, 22 inside by the 3rd thrust baring 21, the 4th bearing 24 is arranged on the front end of first gondola 23, and mozzle 25 is captiveed joint by support 35 with prop shaft 15.
Axle 12 is provided with O type seal groove and jump ring groove in described first, and the first interior axle 12 links to each other with first outer shaft 20 with the jump ring groove by O type seal groove.
Described first outer shaft 20 is provided with O type seal groove and jump ring groove, and first outer shaft 20 links to each other with first outer shaft 22 by O RunddichtringO, jump ring groove.
Adopt free-running fit between described first outer shaft 20, first outer shaft 22.
The angle of the axis of the axis of described mozzle 25 and prop shaft 15 is 4 °～8 °.
Described first gondola 23 is a stream line pattern.
The working process of described screw propeller swing type mechanism 2 is: first stepping motor 17 drives second straight gear 18 and rotates, second straight gear 18 and 19 engagements of the 6th finishing bevel gear cuter drive first outer shaft 20 and rotate, first outer shaft 20 fixedly mounts into an integral body with first gondola 23, mozzle 25 by support 35, promptly change the azimuth of shrouded propeller, realize perpendicular to the thrust in 360 ° of scopes of the first interior axle 12.
The shell of described gondola swing type mechanism 3 is a streamline contour, this gondola swing type mechanism 3 comprises: second stepping motor 26, the 3rd straight gear 27, the 4th straight gear 28, gondola axis of revolution 29, the 5th thrust baring 30, gondola swivel sleeve 31 and second gondola 32, wherein: the 3rd straight gear 27 is arranged on second stepping motor 26, the 3rd straight gear 27 is in 28 engagements of the 4th straight gear, the 4th straight gear 28 is arranged on gondola axis of revolution 29 ends, and second gondola 32 is connected gondola swivel sleeve 31 inside by the 5th thrust baring 30.
The working process of described gondola swing type mechanism 3 is: second stepping motor 26 drives the 3rd straight gear 27, the 3rd straight gear 27 and 28 engagements of the 4th straight gear drive gondola axis of revolution 29, gondola axis of revolution 29 fixedly mounts into an integral body with second gondola 32, thereby realize 360 ° of gyroscopic movements of second gondola 32, realization realizes full circle swinging perpendicular to the thrust in 360 ° of scopes of gondola axis of revolution 29.
Described second gondola 32 is a stream line pattern.
It is identical with the hand of rotation of screw propeller 33 in order to guarantee two screw propellers 16 adding the 5th straight gear 30 between first straight gear 8 and the 6th finishing bevel gear cuter 34.
Described first gondola 23,32 designs of second gondola are stream line pattern, and purpose is to improve angle of rake hydrodynamic performance; Mozzle 25 is installed with respect to the inclination of prop shaft 15, purpose be reduce between propelling unit and the buoyancy aid, the hydrodynamic force between the propelling unit disturbs; Between first outer shaft 20 and first outer shaft 22 is free-running fit, on first outer shaft 19 O RunddichtringO and jump ring is installed, and effect is the axial motion that guarantees propelling unit dynamic seal (packing) herein and restriction first outer shaft 19.
Work is carried out in this enforcement in the following manner: servomotor 4 drives 5 rotations of first finishing bevel gear cuter, first finishing bevel gear cuter 5 is connected first straight gear 8 by first adapter shaft 7 and rotates jointly with 6 engagements of middle tap gear, middle tap gear 6, first straight gear 8 drives axle 12 rotations in first with 9 engagements of third hand tap gear, at this moment, axle 12 drives first thrust baring 10, the rotation of second thrust baring, 11 inner rings in first, the outer ring is motionless, and the screw propeller swing type mechanism is not affected.The 4th finishing bevel gear cuter 13 that install a lower end in first drives prop shaft 15 rotations with 14 engagements of the 5th finishing bevel gear cuter, thus 16 rotations of driven rotary oar.Second stepping motor 26 drives the 3rd straight gear 27 simultaneously, the 3rd straight gear 27 and 28 engagements of the 4th straight gear drive gondola axis of revolution 29, gondola axis of revolution 29 fixedly mounts into an integral body with second gondola 32, thereby realize 360 ° of gyroscopic movements of gondola, change angle of rake azimuth, realization realizes full circle swinging perpendicular to the thrust in 360 ° of scopes of gondola axis of revolution 29.
Hang down when needs control swing, during heave movement: servomotor 4 drives 5 rotations of first finishing bevel gear cuter, first finishing bevel gear cuter 5 is connected first straight gear 8 by first adapter shaft 7 and rotates jointly with 6 engagements of middle tap gear, middle tap gear 6, first straight gear 8 drives axle 12 rotations in first with 9 engagements of third hand tap gear, at this moment, axle 12 drives first thrust baring 10, the rotation of second thrust baring, 11 inner rings in first, the outer ring is motionless, and the screw propeller swing type mechanism is not affected.The 4th finishing bevel gear cuter 13 that install a lower end in first drives prop shaft 15 rotations with 14 engagements of the 5th finishing bevel gear cuter, thus 16 rotations of driven rotary oar.Simultaneously, first stepping motor 17 drives second straight gear 18 and rotates, second straight gear 18 and 19 engagements of the 6th finishing bevel gear cuter drive first outer shaft 20 and rotate, first outer shaft 20 is being with the 3rd thrust baring 21 inner rings to rotate, captive joint with first outer shaft, 22 inner rings in the 3rd thrust baring outer ring, first outer shaft is motionless.First outer shaft 20 fixedly mounts into an integral body with first gondola 23, mozzle 25 by support 35, promptly changes the azimuth of shrouded propeller, realizes perpendicular to the thrust in 360 ° of scopes of the first interior axle 12.Vertical component can be used for the vertical of control platform (or boats and ships) and swings and heave movement in the thrust.
Claims (7)
1. propeller device of dual-conduit nacelle, comprise: main drive gear, two screw propeller swing type mechanisms and gondola swing type mechanism, it is characterized in that: main drive gear is connected with two screw propeller swing type mechanisms respectively, and main drive gear is fixedly set in the inside of gondola swing type mechanism;
Described main drive gear comprises: servomotor, first finishing bevel gear cuter, the middle tap gear, first adapter shaft, first straight gear, the third hand tap gear, first thrust baring, second thrust baring, axle in first, the 4th finishing bevel gear cuter, the 5th finishing bevel gear cuter, rotation oar axle and rotation oar, wherein: first finishing bevel gear cuter is arranged on the servomotor, the middle tap gear and first straight gear are fixedly set in the two ends of first adapter shaft respectively, first finishing bevel gear cuter and middle tap gear mesh, third hand tap gear and the 4th finishing bevel gear cuter are fixedly set in the two ends of axle in first respectively, first straight gear and third hand tap gear mesh, axle is connected with the screw propeller swing type mechanism in first, the 4th finishing bevel gear cuter and the engagement of the 5th finishing bevel gear cuter, the 5th finishing bevel gear cuter is arranged on the rotation oar axle, and the rotation oar is arranged on the rotation oar axle;
Described screw propeller swing type mechanism comprises: first stepping motor, second straight gear, the 6th finishing bevel gear cuter, first outer shaft, the 3rd thrust baring, first outer shaft, first gondola, the 4th bearing and mozzle, wherein: second straight gear is arranged on first stepping motor, second straight gear and the engagement of the 6th finishing bevel gear cuter, the first outer shaft two ends are provided with the 6th finishing bevel gear cuter and first gondola respectively, first outer shaft links to each other with the 3rd thrust baring and is arranged at the first outer shaft inside, the 4th bearing is arranged on the front end of first gondola, and mozzle is captiveed joint with rotation oar axle.
2. propeller device of dual-conduit nacelle according to claim 1, it is characterized in that, described gondola swing type mechanism comprises: second stepping motor, the 3rd straight gear, the 4th straight gear, gondola axis of revolution, the 5th thrust baring, gondola swivel sleeve and second gondola, wherein: the 3rd straight gear is arranged on second stepping motor, the 3rd straight gear meshes in the 4th straight gear, the 4th straight gear is arranged on gondola axis of revolution end, and second gondola is connected gondola swivel sleeve inside by the 5th thrust baring.
3. propeller device of dual-conduit nacelle according to claim 1 is characterized in that, between the described middle tap gear and first adapter shaft and be fixedly between first straight gear and first adapter shaft that keyway is connected.
4. propeller device of dual-conduit nacelle according to claim 1 is characterized in that, the described first interior axle is provided with O type seal groove and jump ring groove, and the first interior axle links to each other with first outer shaft with the jump ring groove by O type seal groove.
5. propeller device of dual-conduit nacelle according to claim 1 is characterized in that, described first outer shaft is provided with O type seal groove and jump ring groove, and first outer shaft links to each other with first outer shaft with the jump ring groove by O type seal groove.
6. propeller device of dual-conduit nacelle according to claim 1 is characterized in that, the angle of the axis of described mozzle and the axis of prop shaft is 4 °～8 °.
7. propeller device of dual-conduit nacelle according to claim 1 is characterized in that, is provided with the 5th straight gear between first straight gear of described main drive gear and the 6th finishing bevel gear cuter of described screw propeller swing type mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101946433A CN101633402B (en) | 2009-08-27 | 2009-08-27 | Propeller device of dual-conduit nacelle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101946433A CN101633402B (en) | 2009-08-27 | 2009-08-27 | Propeller device of dual-conduit nacelle |
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| Publication Number | Publication Date |
|---|---|
| CN101633402A CN101633402A (en) | 2010-01-27 |
| CN101633402B true CN101633402B (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101946433A Active CN101633402B (en) | 2009-08-27 | 2009-08-27 | Propeller device of dual-conduit nacelle |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419908A (en) * | 2013-08-06 | 2013-12-04 | 宁波市鄞州发辉机械科技有限公司 | Multifunctional electric surfboard |
| CN103963952A (en) * | 2014-05-13 | 2014-08-06 | 上海海洋大学 | Small submersible steering propelling system |
| CN107512380B (en) * | 2017-08-22 | 2019-07-16 | 大连理工大学 | A kind of all-around propeller, ship and floating platform |
| CN107618646A (en) * | 2017-08-31 | 2018-01-23 | 珠海动力海岸智能科技有限公司 | It is a kind of from the cold 180 degree of powered water transfer it is two-way enter water-jetting type high-speed thruster |
| CN113353221B (en) * | 2021-07-14 | 2023-08-01 | 舟山市豫龙船舶工程有限公司 | Propeller capable of enabling ship body to be more stable during turning of ship |
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2009
- 2009-08-27 CN CN2009101946433A patent/CN101633402B/en active Active
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| CN101633402A (en) | 2010-01-27 |
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