CN101439758A - Dynamic positioning thrust system for Z propeller and elevating rudder - Google Patents
Dynamic positioning thrust system for Z propeller and elevating rudder Download PDFInfo
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- CN101439758A CN101439758A CNA2008102077958A CN200810207795A CN101439758A CN 101439758 A CN101439758 A CN 101439758A CN A2008102077958 A CNA2008102077958 A CN A2008102077958A CN 200810207795 A CN200810207795 A CN 200810207795A CN 101439758 A CN101439758 A CN 101439758A
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- lifting rudder
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Abstract
The invention relates to a dynamic positioning thrust system for an all direction propeller and a lifting rudder, which belongs to dynamic positioning technical equipment in the field of ship marine technology. The dynamic positioning thrust system comprises the all direction propeller and the lifting rudder. The all direction propeller is arranged below the stern part of a ship, and a C1 axial line thereof vertically intersects with a longitudinal symmetric axis of the ship; and the lifting rudder is arranged below the bow part of the ship, and a C2 axial line thereof vertically intersects with the longitudinal symmetric axis of the ship. In an abyssal environment, when the ship is in the executive process of performing dynamic positioning, the lifting rudder and the all direction propeller cooperate together to finish tasks of overcoming surging, swaying and yawing of the ship; and under a control instruction of a control system, the all direction propeller and the lifting rudder are controlled to implement thrust executive function of the dynamic positioning according to the established proposal. The technology of the invention can be applied to large size, medium size and small size ships or semi-submersible ocean platform, has a positive significance on improving the dynamic positioning technology, and can produce obvious economic benefit.
Description
Technical field
The present invention relates to a kind of dynamic positioning thrust system, especially a kind of dynamic positioning thrust system of being made up of all-direction propeller and lifting rudder belongs to the dynamic positioning technical equipment in boats and ships maritime technology field.
Background technology
The basic role of dynamic positioning system (DPS) is under the effect of thruster, under certain marine environment and engineer operation condition, keep ship appointed positions and bow to.During boats and ships operation at sea, the environmental load that is subjected to mainly contains wind-force, stream power and wave force.Under the complicated sea situation of wind, wave, flowing common action, unconfined boats and ships have the motion feature of six-freedom degree.These motions all contain low frequency component and high fdrequency component.The low frequency motion component can be thought to be produced by the thrust of screw propeller, rudder power, stream power, wind-force and gradual wave-drift force etc.; The high frequency motion component mainly is the single order ripple frequency motion response that is caused by wave, back and forth, presents the characteristic that sets back automatically with the fluctuating of wave.Dynamic Positioning Control System mainly be the three degree of freedom motion of horizontal surface, i.e. surging, swaying, yawing.
Traditional dynamic positioning thrust system is that a main thruster on the quarter is installed, and is equipped with other auxiliary propellers again, comprises tunnel type side thruster, all-direction propeller, the flat rotating propelling unit of the straight wing, rotation grid type propelling unit or rotation waterjet propulsor; Boats and ships that have or ocean structure are taked the combination of a plurality of side thrusters, rely on their concerted actions to finish the task that dynamic positioning is carried out.The push system of Zu Chenging is all disliked complex structure, cost costliness and maintenance requirement strictness like this.
In the prior art, application number is 200610024587.5, name is called the patent of invention of " a kind of dynamic localization method for ship ", a kind of dynamic localization method for ship is provided, has made that boats and ships can be realized fixed point control position, bow is to, automatic tracking navigation, automatic tracking submarine target automatically.But it is main thruster, steering wheel or auxilliary propelling unit that the mechanism of execution location only generally provides, and concrete structure and implementation method is not provided.Application number is 94117369.0, name is called the patent of invention of " nerve network control system of dynamic positioning of vessels and method thereof ", also only provide its control system and comprise computing machine, potentiometric amplifier, A/D converter, location system, filter, learner, optimum decision device and actuating unit etc., the structure and the implementation method that do not provide concrete execution to locate.
Summary of the invention
In order to overcome the defective of the deficiencies in the prior art and conventional art,, the invention provides a kind of dynamic positioning thrust system of forming by all-direction propeller and lifting rudder also in order to reduce the manufacturing cost of push system in the dynamic positioning of vessels system as far as possible.This push system only is made up of all-direction propeller and lifting rudder two parts, and all-direction propeller wherein itself is exactly the basic propulsion system of boats and ships.In view of the above, boats and ships only need be equipped with a cover lifting rudder again, just can finish the actual execution of dynamic positioning.Therefore, it is simple in structure that the push system of whole dynamic positioning is compared common existing push system, and manufacturing cost is expected to descend significantly.The present invention is to the development of boats and ships ocean structure dynamic positioning technology, and the positive effect that has promotion and improve can produce certain economic benefits and social benefit.
The technical solution used in the present invention: boats and ships forward terminal and boats and ships aft terminal lay respectively at the front and back ends place of the vertical axis of symmetry principal plane of boats and ships, and boats and ships lateral center vertical plane surface is for the mid point by distance between boats and ships forward terminal and the boats and ships aft terminal and perpendicular to the plane of the vertical axis of symmetry of boats and ships.The part that the hull of boats and ships is in back, boats and ships lateral center plane is a stern, is in boats and ships lateral center plane fwd and partly is bow.All-direction propeller is placed in the below of boats and ships stern, and its C1 axis and the vertical axis of symmetry of boats and ships intersect vertically, and the distance between C1 axis and the boats and ships aft terminal is L1, and wherein L is the length of boats and ships, is the horizontal throw between boats and ships forward terminal and the boats and ships aft terminal; Lifting rudder is installed in the below of boats and ships bow, and its C2 axis and the vertical axis of symmetry of boats and ships intersect vertically, and the distance between C2 axis and the boats and ships aft terminal is L2; Towpoint is arranged on the deck of stern, and the distance between itself and the boats and ships aft terminal is L3.The horizontal direction of propulsion of all-direction propeller is perpendicular to the C1 axis, and the oscilaltion path of motion of lifting rudder is along the C2 axis.From the top, the C1 of these two devices, C2 axis are positioned on the vertical axis of symmetry of boats and ships in the projection of horizontal surface.All-direction propeller can be Z type propelling unit, pod propulsion propelling unit or straight wing formula propelling unit; Lifting rudder is a kind of gnomon rudder, and having descends works and to promote and hide the deactivate function of state of hull bottom.
All-direction propeller can be around the vertical axis 360 degree revolution of self, advances, falls back at boats and ships or when turning to, all be the generation device of whole thrusts and the executive device that turns to.It not only can produce enough propulsive forces, drives advancing of boats and ships, and can turn to arbitrarily, and the guiding boats and ships travel according to correct course, and boats and ships do not need the auxiliary of special steering wheel structure.At this moment, lifting rudder rises fully and shrinks among the bottom that enters boats and ships, is in the state that does not influence all-rotation thrust unit work, and therefore, it does not produce any resistance or deflecting force under this state.
Unique thruster of this push system is an all-direction propeller, lifting rudder only possess controlling party to function.Because all-direction propeller itself possesses the function of turning to, also can bring into play controlling party to effect, the translation of all around of boats and ships, and turning in advancing can be finished separately by all-direction propeller fully.
All-direction propeller and lifting rudder at stern, the bow of boats and ships, are adjusted the direction of boats and ships respectively, and boats and ships are possessed around self center of gravity rotating moment.Therefore boats and ships can rotate and the bow of adjusting self to.
Lifting rudder self does not possess power, can not initiatively promote boats and ships and rotate around center of gravity on the water surface.In the implementation procedure of dynamic positioning of vessels, under the effect of all-direction propeller, boats and ships often will be repeatedly before and after little stroke ground reciprocal, repeatedly back and forth in, the continuous bow of adjusting boats and ships by a small margin to.The control system of dynamic positioning also need constantly be sent action command, with the collaborative work of control all-direction propeller and lifting rudder, reaches 1%-3% with the dynamic positioning precision that guarantees boats and ships, and promptly the displacement deviation of boats and ships is less than 1%-3% of the depth of water.
In abyssal environment, boats and ships are when carrying out the implementation of dynamic positioning, and the lifting rudder of bow and the all-direction propeller of stern are finished the task of overcoming ship surging, swaying, yawing simultaneously with regard to concerted action.At this moment, the measuring mechanism of boats and ships will accurately be measured the deviation that surging, swaying and the yawing of boats and ships cause, and work out correct controlled target, after sending instruction, the all-direction propeller of control push system and lifting rudder are according to set scheme, implement the thrust of dynamic positioning and carry out function, finish fixed point control position, bow is to the task of, automatic tracking navigation, automatic tracking submarine target automatically.
Beneficial effect of the present invention: push system provided by the invention, neither increase draft, also do not increase advance resistance, only need set up the cheap relatively lifting rudder of a cover manufacturing cost, just can finish the operation of dynamic positioning, can increase the manoevreability and the alerting ability of itself simultaneously again.The technology of this invention can be applied to large, medium and small boats and ships, also can be applicable to the semi-submersible offshore platform, and it has the positive effect that improves the dynamic positioning technology, can produce tangible economic benefit.
Description of drawings
Fig. 1 is the schematic top plan view of dynamic positioning thrust system of the present invention.
Fig. 2 is the dynamic positioning thrust system of the present invention section drawing of axis of symmetry longitudinally.
Among the figure, 1, all-direction propeller, 2, lifting rudder, 3, the vertical axis of symmetry of boats and ships, 4, the boats and ships forward terminal, 5, the boats and ships aft terminal, 6, boats and ships lateral center vertical plane surface, 7, stern, 8, bow, 9, towpoint, 10, hull bottom.The C1 axis is the vertical axis of all-direction propeller, and the C2 axis is the vertical axis of lifting rudder.
The specific embodiment
Below in conjunction with accompanying drawing concrete enforcement of the present invention is further described.
As shown in Figure 1 and Figure 2, dynamic positioning thrust system of the present invention comprises all-direction propeller 1 and lifting rudder 2.
Boats and ships forward terminal 4 and boats and ships aft terminal 5 lay respectively at the front and back end place of vertical axis of symmetry 3 principal planes of boats and ships, and boats and ships lateral center vertical plane surface 6 is for the mid point by distance between boats and ships forward terminal 4 and the boats and ships aft terminal 5 and perpendicular to the plane of the vertical axis of symmetry 3 of boats and ships.The part that the hull of boats and ships is in 6 back, boats and ships lateral center plane is a stern 7, is in boats and ships lateral center plane 6 fwds and partly is bow 8.All-direction propeller 1 is placed in the below of boats and ships stern 7, the vertical axis of symmetry 3 of its C1 axis and boats and ships intersects vertically, distance between C1 axis and the boats and ships aft terminal 5 is L1, L1 is between 0.15L-0.35L, wherein L is the length of boats and ships, is the horizontal throw between boats and ships forward terminal 4 and the boats and ships aft terminal 5; Lifting rudder 2 is installed in the below of boats and ships bow 8, and the vertical axis of symmetry 3 of its C2 axis and boats and ships intersects vertically, and the distance between C2 axis and the boats and ships aft terminal 5 is L2, and L2 is between 0.8L-0.9L; Towpoint 9 is arranged on the deck of stern 7, and the distance between itself and the boats and ships aft terminal 5 is L3, and the length of L3 is less than 0.15L.The horizontal direction of propulsion of all-direction propeller 1 is perpendicular to the C1 axis, and the oscilaltion path of motion of lifting rudder 2 is along the C2 axis.From the top, the central vertical axis C1 of these two devices, C2 axis are positioned on the vertical axis of symmetry 3 of boats and ships in the projection of horizontal surface.All-direction propeller 1 can be Z type propelling unit, pod propulsion propelling unit or straight wing formula propelling unit; Lifting rudder 2 is a kind of gnomon rudders, and having descends works and to promote and hide the deactivate function of state of hull bottom.
All-direction propeller 1 can be around the vertical axis 360 degree revolution of self, advances, falls back at boats and ships or when turning to, all be the generation device of whole thrusts and the executive device that turns to.It not only can produce enough propulsive forces, drives advancing of boats and ships, and can turn to arbitrarily, and the guiding boats and ships travel according to correct course, and boats and ships do not need the auxiliary of special steering wheel structure.At this moment, lifting rudder 2 rises fully and shrinks among the bottom that enters boats and ships, is in the state that does not influence all-rotation thrust unit work, and therefore, it does not produce any resistance or deflecting force under this state.
Unique thruster of this push system is an all-direction propeller 1, lifting rudder 2 only possess controlling party to function.Because all-direction propeller 1 itself possesses the function of turning to, also can bring into play controlling party to effect, the translation of all around of boats and ships, and turning in advancing can be finished separately by all-direction propeller 1 fully.
All-direction propeller 1 and lifting rudder 2 at stern 7, the bow 8 of boats and ships, are adjusted the direction of boats and ships respectively, and boats and ships are possessed around self center of gravity rotating moment.Therefore boats and ships can rotate and the bow of adjusting self to.
Lifting rudder 2 self does not possess power, can not initiatively promote boats and ships and rotate around center of gravity on the water surface.In the implementation procedure of dynamic positioning of vessels, under the effect of all-direction propeller 1, boats and ships often will be repeatedly before and after little stroke ground reciprocal, repeatedly back and forth in, the continuous bow of adjusting boats and ships by a small margin to.The control system of dynamic positioning also need constantly be sent action command, with both collaborative works of control all-direction propeller 1 and lifting rudder 2, reaches 1%-3% with the dynamic positioning precision that guarantees boats and ships, and promptly the displacement deviation of boats and ships is less than 1%-3% of the depth of water.
In abyssal environment, boats and ships are when carrying out the implementation of dynamic positioning, and the lifting rudder 2 of bow 8 and the all-direction propeller 1 of stern 7 are finished the task of overcoming ship surging, swaying, yawing simultaneously with regard to concerted action.At this moment, the measuring mechanism of boats and ships will accurately be measured the deviation that surging, swaying and the yawing of boats and ships cause, and work out correct controlled target, after sending instruction, the all-direction propeller 1 of control push system and lifting rudder 2 are according to set scheme, implement the thrust of dynamic positioning and carry out function, finish fixed point control position, bow is to the task of, automatic tracking navigation, automatic tracking submarine target automatically.
Claims (4)
1. the dynamic positioning thrust system of all-direction propeller and lifting rudder, comprise all-direction propeller (1) and lifting rudder (2), it is characterized in that: all-direction propeller (1) is placed in the below of boats and ships stern (7), its C1 axis and the vertical axis of symmetry of boats and ships (3) intersect vertically, and the distance between C1 axis and the boats and ships aft terminal (5) is L1; Lifting rudder (2) is installed in the below of boats and ships bow (8), and its C2 axis and the vertical axis of symmetry of boats and ships (3) intersect vertically, and the distance between C2 axis and the boats and ships aft terminal (5) is L2; Towpoint (9) is arranged on the deck of stern (7), and the distance between itself and the boats and ships aft terminal (5) is L3; The horizontal direction of propulsion of all-direction propeller (1) is perpendicular to the C1 axis of oneself, and the oscilaltion path of motion of lifting rudder (2) is along the C2 axis.
2. the dynamic positioning thrust system of all-direction propeller according to claim 1 and lifting rudder, it is characterized in that described all-direction propeller (1) is Z type propelling unit or pod propulsion propelling unit or straight wing formula propelling unit, all-direction propeller (1) carries out 360 degree revolutions around the C1 axis of self.
3. the dynamic positioning thrust system of all-direction propeller according to claim 1 and lifting rudder is characterized in that described lifting rudder (2) is a kind of gnomon rudder, and its oscilaltion path of motion is along the C2 axis.
4. the dynamic positioning thrust system of all-direction propeller according to claim 1 and lifting rudder is characterized in that described L1 between 0.15L-0.35L, and L2 is between 0.8L-0.9L, and the length of L3 is less than 0.15L; Wherein L is the length of boats and ships, is the horizontal throw between boats and ships forward terminal (4) and the boats and ships aft terminal (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102077958A CN101439758A (en) | 2008-12-25 | 2008-12-25 | Dynamic positioning thrust system for Z propeller and elevating rudder |
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| CNA2008102077958A CN101439758A (en) | 2008-12-25 | 2008-12-25 | Dynamic positioning thrust system for Z propeller and elevating rudder |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145742A (en) * | 2010-02-08 | 2011-08-10 | 大宇造船海洋株式会社 | Ship structure with azimuth propulsion device |
| CN102508431A (en) * | 2011-11-04 | 2012-06-20 | 江苏科技大学 | Thrust distribution method for power positioning system of offshore drilling platform |
| CN103092077A (en) * | 2013-01-06 | 2013-05-08 | 中国海洋石油总公司 | Thrust distributing method of dynamic positioning system |
| CN103482034A (en) * | 2013-09-23 | 2014-01-01 | 浙江海洋学院 | Floating natural gas platform |
| CN104203739A (en) * | 2012-01-18 | 2014-12-10 | 莫乔海事有限公司 | Ship with a detachable hull |
| WO2015032114A1 (en) * | 2013-09-08 | 2015-03-12 | 富阳友凯船艇有限公司 | Rudder |
| CN105083518A (en) * | 2015-08-14 | 2015-11-25 | 苏州金业船用机械厂 | Propelling device for electrically-controlled boat |
| CN106089597A (en) * | 2016-07-28 | 2016-11-09 | 太重（天津）滨海重型机械有限公司 | Offshore wind farm unit transport mounting platform |
| CN109000626A (en) * | 2018-05-31 | 2018-12-14 | 广船国际有限公司 | A kind of captain's measurement method |
| CN111717363A (en) * | 2020-07-02 | 2020-09-29 | 青岛科技大学 | Ship bow rudder system of container ship |
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2008
- 2008-12-25 CN CNA2008102077958A patent/CN101439758A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145742A (en) * | 2010-02-08 | 2011-08-10 | 大宇造船海洋株式会社 | Ship structure with azimuth propulsion device |
| CN102145742B (en) * | 2010-02-08 | 2014-12-24 | 大宇造船海洋株式会社 | Ship structure with azimuth propulsion device |
| CN102508431A (en) * | 2011-11-04 | 2012-06-20 | 江苏科技大学 | Thrust distribution method for power positioning system of offshore drilling platform |
| CN104203739A (en) * | 2012-01-18 | 2014-12-10 | 莫乔海事有限公司 | Ship with a detachable hull |
| CN103092077A (en) * | 2013-01-06 | 2013-05-08 | 中国海洋石油总公司 | Thrust distributing method of dynamic positioning system |
| CN103092077B (en) * | 2013-01-06 | 2016-03-09 | 中国海洋石油总公司 | The thrust distribution method of dynamic positioning system |
| WO2015032114A1 (en) * | 2013-09-08 | 2015-03-12 | 富阳友凯船艇有限公司 | Rudder |
| CN104417741A (en) * | 2013-09-08 | 2015-03-18 | 富阳友凯船艇有限公司 | Steering rudder |
| CN103482034A (en) * | 2013-09-23 | 2014-01-01 | 浙江海洋学院 | Floating natural gas platform |
| CN103482034B (en) * | 2013-09-23 | 2016-06-01 | 浙江海洋学院 | A kind of floating type gas platforms |
| CN105083518A (en) * | 2015-08-14 | 2015-11-25 | 苏州金业船用机械厂 | Propelling device for electrically-controlled boat |
| CN106089597A (en) * | 2016-07-28 | 2016-11-09 | 太重（天津）滨海重型机械有限公司 | Offshore wind farm unit transport mounting platform |
| CN106089597B (en) * | 2016-07-28 | 2018-11-23 | 太重（天津）滨海重型机械有限公司 | Offshore wind farm unit transport mounting platform |
| CN109000626A (en) * | 2018-05-31 | 2018-12-14 | 广船国际有限公司 | A kind of captain's measurement method |
| CN111717363A (en) * | 2020-07-02 | 2020-09-29 | 青岛科技大学 | Ship bow rudder system of container ship |
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Open date: 20090527 |