CN112278223A - Flap rudder system - Google Patents
Flap rudder system Download PDFInfo
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- CN112278223A CN112278223A CN202011347064.0A CN202011347064A CN112278223A CN 112278223 A CN112278223 A CN 112278223A CN 202011347064 A CN202011347064 A CN 202011347064A CN 112278223 A CN112278223 A CN 112278223A
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- 239000007787 solid Substances 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 16
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- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000003754 machining Methods 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 101100295776 Drosophila melanogaster onecut gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/38—Rudders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/08—Steering gear
- B63H25/10—Steering gear with mechanical transmission
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention belongs to the technical field of ship steering systems, and particularly relates to a flap rudder system which comprises a main rudder blade, an auxiliary rudder blade and a dead rudder. The flap rudder system has higher flexibility, short rotation time, flexibility and high efficiency when the ship is navigated by Z-shaped operation, and is very suitable for ships with frequent berthing and frequent lightering.
Description
Technical Field
The invention belongs to the technical field of ship steering systems, and particularly relates to a flap rudder system.
Background
The flap rudder is a rudder with rudder blades composed of a main rudder blade and a flap, and is also called a primary-secondary rudder, the flap is connected with the trailing edge of the main rudder blade and can be independently controlled by a single mechanism, the rotation direction of the flap can be the same as or opposite to that of the main rudder blade, but the angle of the flap is larger than the rotation angle of the rudder blade. The flap rudder increases the camber of the rudder by adjusting the angle of the flap, thereby increasing the lift of the rudder.
When the main rudder blade of the flap rudder is in a middle position, the flap is overlapped with the axis of the main rudder blade to keep a symmetrical state; when the main rudder blade rotates towards two sides, the flap is gradually changed from a middle symmetrical state to an asymmetrical state under the action of the transmission mechanism until reaching the required camber, thereby generating the required thrust and providing better maneuverability and excellent course for the ship.
When the flap rudder system is used, the auxiliary rudder can be driven to rotate simultaneously when the main rudder rotates, so that the rudder angle is increased, the rudder force is correspondingly increased, the rudder torque is improved, in the conventional flap rudder system, the rotation angle between the main rudder and the auxiliary rudder serving as the flap is small, the rotation process is not flexible enough, and the requirement cannot be met when a ship is navigated by Z-shaped operation.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a flapped rudder system with high flexibility, which can ensure flexible and smooth turning force between a main rudder and an auxiliary rudder.
In order to achieve the purpose, the flap rudder system comprises a main rudder blade, an auxiliary rudder blade and a solid rudder, wherein the main rudder blade is hinged with the auxiliary rudder blade through a flap rudder pin, the main rudder blade is rotationally connected with the solid rudder through a rudder stock, the solid rudder is a connecting piece of the rudder blade and a ship body, and the solid rudder is connected with the auxiliary rudder blade through a universal adjusting driving device.
Furthermore, the universal adjusting driving device comprises a guide rod connected with the auxiliary rudder blade and a universal joint mechanism connected with the dead rudder, wherein the universal joint mechanism is arranged at the end part of the guide rod, and the guide rod rotates and swings by taking the universal joint mechanism as a central shaft.
Furthermore, the universal joint mechanism comprises a vertical pin and a spherical hinge which is sleeved on the outer wall of the vertical pin and is rotatably connected with the vertical pin, the vertical pin is connected to the solid rudder, a guide rod is fixedly connected with the outer edge of the spherical hinge, the guide rod and the vertical pin are perpendicular to each other, and the guide rod rotates and swings by taking the vertical pin as a central shaft.
Furthermore, the two ends of the vertical pin are respectively provided with a vertical pin upper sleeve and a vertical pin lower sleeve, the vertical pin upper sleeve and the vertical pin lower sleeve are respectively and fixedly connected with the solid rudder through bolts, the vertical pin is limited in the vertical pin upper sleeve and the vertical pin lower sleeve to rotate, a vertical pin upper bushing is arranged between the outer wall of the vertical pin and the inner wall of the vertical pin upper sleeve, a vertical pin lower bushing is arranged between the outer wall of the vertical pin and the inner wall of the vertical pin lower sleeve, and the spherical hinge is arranged between the vertical pin upper sleeve and the vertical pin lower sleeve.
Furthermore, a guide rod sleeve is sleeved on the guide rod, a guide rod bushing is arranged between the inner diameter of the guide rod sleeve and the outer diameter of the guide rod, the guide rod and the guide rod sleeve are connected in a sliding mode along the horizontal direction, the guide rod sleeve is welded with the auxiliary rudder blade, and the axis of a sleeve hole of the guide rod sleeve is parallel to the auxiliary rudder blade.
Furthermore, the flap rudder pintle adopts a three-pintle coaxial structure, the main rudder blade and the auxiliary rudder blade are hinged through three coaxially arranged flap rudder pintle, and the flap rudder pintle is hydraulically assembled in a conical shape.
Furthermore, the main rudder blade and the auxiliary rudder blade both adopt streamline structures.
Furthermore, the main rudder blade is fixedly connected with the lower half part of the rudder stock, the solid rudder is rotatably connected with the upper half part of the rudder stock, and a rudder stock bushing and a rudder sleeve are arranged between the upper half part of the rudder stock and the solid rudder; the O-shaped sealing ring is arranged on the rudder stock and is arranged between the main rudder blade and the solid rudder.
Furthermore, a flow stopping plate is arranged at one end, far away from the solid rudder, of the main rudder blade and the auxiliary rudder blade, the shape of the flow stopping plate is matched with that of the main rudder blade and the auxiliary rudder blade, and the part, connected with the main rudder blade, of the flow stopping plate is hinged with the part, connected with the auxiliary rudder blade, of the flow stopping plate.
Furthermore, the main rudder blade is provided with a main rudder jump stopping block, and the auxiliary rudder blade is provided with an auxiliary rudder jump stopping block.
The operation process of the flap rudder is as follows: the main rudder blade rotates for a certain angle by taking the rudder stock as an axis, the auxiliary rudder blade moves along an arc-shaped track along with the main rudder blade, and the guide rod slides between the guide rod sleeve and the guide rod in the process of rotating along with the auxiliary rudder blade due to the fixed horizontal position of the dead rudder and the universal joint mechanism, so that the guide rod limits the displacement of the guide rod sleeve to control the deflection angle of the auxiliary rudder blade.
The invention has the beneficial effects that: the flap rudder system has higher flexibility, short rotation time, flexibility and high efficiency when the ship is navigated by Z-shaped operation, and is very suitable for ships with frequent berthing and frequent lightering.
Drawings
FIG. 1 is a schematic view of a flap rudder system;
FIG. 2 is a schematic view of a flap rudder system deflection;
FIG. 3 is an enlarged view of the structure of the universal adjusting driving device;
FIG. 4 is a schematic view of a baffle plate;
in the figure: 1. the rudder comprises a main rudder blade, 2, an auxiliary rudder blade, 3, a dead rudder, 4, a flap rudder pintle, 5, a rudder stock, 6, a universal adjusting driving device, 601, a guide rod, 602, a vertical pin, 603, a spherical hinge, 604, a vertical pin upper sleeve, 605, a vertical pin lower sleeve, 606, a vertical pin upper bushing, 607, a vertical pin lower bushing, 608, a guide rod sleeve, 609, a guide rod bushing, 7, a rudder stock lower hydraulic nut, 8, a rudder stock bushing, 9, a rudder sleeve, 10, a flow stopping plate, 11, a main rudder jump stopping block, 12 and an auxiliary rudder jump stopping block.
Detailed Description
In order to make the structure and function of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention.
Referring to the attached drawings 1-4, the flapped rudder system comprises a main rudder blade 1, an auxiliary rudder blade 2 and a solid rudder 3, wherein the main rudder blade 1 is hinged with the auxiliary rudder blade 2 through a flap rudder pin 4, the main rudder blade 1 is rotatably connected with the solid rudder 3 through a rudder stock 5, the solid rudder 3 is a connecting piece of the rudder blade and a ship body, and the solid rudder 3 is connected with the auxiliary rudder blade 2 through a universal adjusting driving device 6. The universal regulation driving device 6 comprises a guide rod 601 connected with the auxiliary rudder blade 2 and a universal joint mechanism connected with the dead rudder 3, the universal joint mechanism is arranged at the end part of the guide rod 601, and the guide rod rotates and swings by taking the universal joint mechanism as a central shaft. The universal joint mechanism comprises a vertical pin 602 and a spherical hinge 603 which is sleeved on the outer wall of the vertical pin and is rotationally connected with the vertical pin, the vertical pin 602 is connected to the solid rudder 3, a guide rod 601 is fixedly connected with the outer edge of the spherical hinge 603, the guide rod 601 and the vertical pin 602 are perpendicular to each other, and the guide rod 601 rotates and swings with the vertical pin as a central shaft.
Preferably, one end of the guide rod 601 is a flat end, the flat end is provided with an inner hole, the spherical hinge 603 is composed of a bearing spherical center and a spherical bearing, the vertical pin penetrates through a central hole of the bearing spherical center and is rotatably connected with the bearing spherical center, the spherical bearing is arranged outside the bearing spherical center, the spherical bearing is assembled inside the inner hole of the flat end of the guide rod, and the flat end of the guide rod and the spherical bearing are fastened through a pressing plate and a bolt.
Based on the technical scheme, the main rudder blade 1 is streamlined, a casting is adopted at the connecting part of the main rudder blade 1 and the rudder stock 5, and the casting protrudes outwards and is in smooth transition with a rudder blade plate to ensure the strength. The auxiliary rudder blade 2 adopts a streamline shape, is connected with a flap rudder pintle and adopts a high-strength forging piece, and the half-width value adopts a streamline value unified with the main rudder. Ensure the smooth passing of water flow. And the sailing resistance is reduced. The universal adjusting driving device is arranged between the tops of the main rudder blade and the auxiliary rudder blade of the 'primary and secondary rudders', and is used for driving the auxiliary rudder blade to correspondingly rotate for a certain angle when the main rudder blade rotates for a certain angle, so that the whole rudder blade obtains larger rudder force, larger rudder torque is obtained, the ship can flexibly and quickly rotate, and higher rotation control performance is brought to the ship.
Furthermore, a vertical pin upper sleeve 604 and a vertical pin lower sleeve 605 are respectively arranged at two ends of the vertical pin 602, the vertical pin upper sleeve 604 and the vertical pin lower sleeve 605 are respectively fixedly connected with the solid rudder 3 through bolts, the vertical pin 602 is limited in the vertical pin upper sleeve and the vertical pin lower sleeve to rotate, a vertical pin upper bushing 606 is arranged between the outer wall of the vertical pin and the inner wall of the vertical pin upper sleeve, a vertical pin lower bushing 607 is arranged between the outer wall of the vertical pin and the inner wall of the vertical pin lower sleeve, and the spherical hinge 603 is arranged between the vertical pin upper sleeve and the vertical pin lower sleeve.
Preferably, the lower end surface of the vertical pin upper sleeve 604 is provided with a check ring and a limit bolt for limiting the vertical pin upper sleeve, the lower end surface of the vertical pin lower sleeve 605 is provided with a bottom lining plate, and a bottom wear-resisting plate is arranged between the vertical pin and the bottom lining plate.
Further, a guide rod sleeve 608 is sleeved on the guide rod 601, a guide rod bushing 609 is arranged between the inner diameter of the guide rod sleeve and the outer diameter of the guide rod, the guide rod 601 and the guide rod sleeve 608 are connected in a sliding mode along the horizontal direction, the guide rod sleeve 608 is welded with the auxiliary rudder blade 2, and the axis of a sleeve hole of the guide rod sleeve is parallel to the auxiliary rudder blade.
Preferably, the inner diameter of one end of the guide rod sleeve 608 close to the spherical hinge 603 is provided with a stepped limiting surface, one end of the guide rod sleeve far away from the spherical hinge is fastened with a limiting bolt through a retaining ring, and the guide rod bushing 609 is limited between the stepped limiting surface and the retaining ring and slides on the guide rod 601 along with the guide rod sleeve 608.
Based on the above technical solution, the universal adjusting driving device is composed of a spherical hinge 603, a vertical pin 602, a guide rod 601 and a guide rod sleeve 608. The guide rod 601 is made of stainless steel, so that the guide rod is prevented from being corroded by seawater after being soaked in seawater for a long time. One end of the guide rod is oblate and is provided with a matched inner hole, the vertical pin penetrates through the inner hole, the guide rod rotates left and right along the vertical pin, and meanwhile, the guide rod body can slide in the guide rod sleeve along the horizontal direction. The spherical hinge 603 is composed of a bearing sphere center and a spherical bearing, and is made of stainless steel, the bearing sphere center is sleeved on the vertical pin 602 and can rotate around the vertical pin, meanwhile, the spherical bearing is arranged outside the bearing sphere center and then arranged in an inner hole of the guide rod, so that the guide rod 601 can rotate along the vertical pin 602 in all directions without limitation, and a universal effect is achieved, and the auxiliary rudder blade 2 is ensured to be suitable for displacement in all directions in the use process. The spherical hinge is used as a guide rod rotating structure, so that the phenomenon of inclined clamping and fracture of the guide rod and the vertical pin when the auxiliary rudder blade displaces in the up-down direction can be avoided, and the spherical hinge has a universal rotating function so as to adapt to left-right rotation of the auxiliary rudder and certain displacement in the up-down direction. The vertical pin 602 is mounted within a vertical pin upper sleeve 604 and a vertical pin lower sleeve 605 on the solid rudder structure to ensure that the vertical pin always rotates within the vertical pin sleeve along a fixed vertical axis to ensure that the guide rod oblate end always rotates around the vertical pin. The guide rod 601 has a certain length, and the guide rod sleeve 608 slides on the guide rod 601, thereby driving the auxiliary rudder blade 2 to rotate simultaneously with the main rudder blade 1. The guide rod sleeve 608 is made of forged steel and has a certain length, so that the guide rod 601 can always slide in the guide rod sleeve, the guide rod sleeve is mounted at the top of the auxiliary rudder blade 2, the axis of a sleeve hole is parallel to the auxiliary rudder blade, the guide rod slides in the inner hole of the guide rod sleeve, the rotating torque is transmitted to the guide rod sleeve under the action of the guide rod, and then the guide rod transmits the rotating torque to the auxiliary rudder blade, so that the auxiliary rudder blade is driven to correspondingly rotate along with the main rudder blade. When the main rudder blade 1 rotates, one end of the guide rod 601 rotates around the vertical pin 602, because the vertical pin 602 can only rotate in the vertical pin sleeve fixed on the solid rudder, meanwhile, the guide rod sleeve is welded and fixed on the upper part of the auxiliary rudder blade, the guide rod rotates around the vertical pin to drive the auxiliary rudder blade to rotate, the middle line surface of the auxiliary rudder is always parallel to the vertical pin, thus the main rudder blade and the auxiliary rudder blade rotate simultaneously, the main rudder rotates 45 degrees, the auxiliary rudder rotates 55 degrees, and the effect of greatly improving the rudder effect is achieved. The flap rudder with the universal adjusting and driving device can drive the auxiliary rudder to rotate when the main rudder rotates, so that the rudder force is greatly improved, the rudder torque is improved, and the rapidity and the flexibility of ship rotation are achieved.
Furthermore, the flap rudder pintle adopts a three-pintle coaxial structure, the main rudder blade and the auxiliary rudder blade are hinged through three coaxially arranged flap rudder pintle 4, and the flap rudder pintle is hydraulically assembled in a conical shape. The main rudder and the auxiliary rudder are connected through a high-strength forged steel flap rudder pin, and the flap rudder pin and the forged piece are designed to be assembled and installed in a conical hydraulic mode so as to ensure that the three pins are coaxial.
Based on the technical scheme, the coaxiality of three taper holes of the flap rudder pintle is required to be less than or equal to 0.3mm, the planeness of the three taper holes and a midship line surface of a CL ship is less than or equal to 0.3mm, the installation tolerance of three groups of flap rudder pintle after machining is less than or equal to 0.5mm, the flap rudder pintle is installed in a taper hydraulic mode, the taper holes are formed by a mature construction method of manual grinding, and the flap rudder pintle is made of common forged steel and is made of common construction materials, so that the feasibility of site construction is guaranteed on the materials. The artificial grinding coloring area is more than or equal to 75 percent, so that the three pins of the flap rudder are coaxial and can be realized under sufficient conditions.
In order to ensure synchronous rotation of the main rudder blade and the auxiliary rudder blade, three groups of flap rudder pins are arranged on the same vertical axis, and the machining of three conical inner holes needs the same cutter bar to machine a finished product at one time. The flap rudder pintle design adopts ordinary forged steel and stainless steel axle sleeve structure, because the forged steel yield strength is higher than stainless steel far away, has avoided the stainless steel softer and has ground the difficulty with the taper hole moreover, and purchasing cost is also lower relatively simultaneously, in order to ensure corrosion resistance, adopts the design of forged steel stoving dress stainless steel bushing pressure equipment sealing washer, has both guaranteed intensity and anticorrosive, makes things convenient for the site operation again. To ensure that three pins of a flap rudder pintle are coaxial, three holes are coaxial, and therefore when the auxiliary rudder blade is designed, three groups of rudder blade structures below a conical hole of an auxiliary rudder blade forging are designed into detachable bulk structures which are not installed before machining, and meanwhile, the horizontal direction of the conical hole machining part of the forging protrudes out of a rudder blade body, so that the space of a machining cutter bar is ensured, and conditions are created for machining a one-cut formed finished product.
Furthermore, the main rudder blade 1 is fixedly connected with the lower half part of the rudder stock 5 and is provided with a rudder stock lower hydraulic nut 7, the solid rudder 3 is rotatably connected with the upper half part of the rudder stock 5, and a rudder stock bushing 8 and a rudder sleeve 9 are arranged between the upper half part of the rudder stock and the solid rudder; the rudder stock 5 is provided with an O-shaped sealing ring which is arranged between the main rudder blade 1 and the idle rudder 3.
Furthermore, a flow stopping plate 10 is arranged at one end, away from the fixed rudder 3, of the main rudder blade 1 and the auxiliary rudder blade 2, the shape of the flow stopping plate 10 is matched with that of the main rudder blade and the auxiliary rudder blade, and the part, connected with the main rudder blade, of the flow stopping plate is hinged with the part, connected with the auxiliary rudder blade, of the flow stopping plate. The flow stopping plate can effectively utilize the wake flow of the propeller and reduce cavitation erosion at the bottom plate.
Further, the main rudder blade 1 is provided with a main rudder jump stopping block 11, and the auxiliary rudder blade 2 is provided with an auxiliary rudder jump stopping block 12.
The operation process of the flap rudder is as follows:
in an initial state, the main rudder blade 1 and the auxiliary rudder blade 2 are positioned below the solid rudder 3, the main rudder blade 1 and the auxiliary rudder blade 2 are horizontally unfolded, and the guide rod sleeve 608 is positioned at the limit position on the guide rod 601 close to the vertical pin 602; when the main rudder blade 1 rotates, the steering engine transmits torque to the main rudder blade 1 through the rudder stock 5, the main rudder blade 1 rotates for a certain angle by taking the rudder stock 5 as an axis, the auxiliary rudder blade 2 has a tendency of moving along an arc-shaped track by taking the rudder stock as an axis along with the main rudder blade, the rudder stock 5 is rotatably connected with the idle rudder 3, the position of the idle rudder 3 is kept unchanged, the positions of a vertical pin upper sleeve 604 and a vertical pin lower sleeve 605 connected with the idle rudder 3 are unchanged, the horizontal positions of a vertical pin 602 in the vertical pin upper sleeve 604 and the vertical pin lower sleeve 605 are kept unchanged, and only rotation can be carried out, so that the horizontal position of the universal joint mechanism is fixed, the auxiliary rudder blade 2 drives a guide rod sleeve 608 and a guide rod 601 to rotate, in the rotating process, the guide rod sleeve 608 is fixedly connected with the auxiliary rudder blade 2 by the movement of the auxiliary rudder blade 2 along the arc-shaped track, so that the guide rod sleeve 608 and the guide rod 601 slide is generated, and the guide rod sleeve moves from the position, thereby controlling the deflection angle of the auxiliary rudder blade 2.
That is, in the process of the rotation of the auxiliary rudder blade 2, the guide sleeve 608 should rotate both around the vertical pin 602 and around the rudder stock 5, and because the two fixed-point axes are eccentrically arranged, the rotation radius of the guide sleeve 608 is constantly changed under the action of the two motion trends, so as to limit the deflection angle of the auxiliary rudder blade 2.
The IMO latest specification meets the requirement of exceeding angles, and when the ship is navigated by Z-shaped operation, the following requirements of exceeding angles are met:
(1) when the rudder blade rotates by 10 degrees, the first overrun angle is 13.9 degrees;
(2) when the rudder blade rotates for the second 10 degrees, the second overrun angle is 30.9 degrees;
(3) when the rudder blade rotates by 20 degrees, the second overrun angle is 25.0 degrees;
the flap rudder system can meet the latest IMO exceeding angle requirement, the main rudder of the flap rudder system rotates 45 degrees, the auxiliary rudder rotates 55 degrees, the rudder effect is greatly improved, when a ship is subjected to Z-shaped operation navigation, the rotation time is short, the flap rudder system is flexible and efficient, the flap rudder system is very suitable for ships which frequently land at harbor and pass refute, and the requirements of the specifications can be completely met, and the flap rudder system is used for a 8500m natural gas filling ship.
Determining the total rudder area of the rudder blade and the ratio between the main rudder and the auxiliary rudder, namely the 'flap ratio': the total area of the rudder blade is determined to be 12.5 square, the size of the main rudder is 900mm towards the bow at the center of the rudder stock, 1300mm towards the stern at the center of the rudder stock, the size of the auxiliary rudder is 600mm towards the stern by the pin axis of the flap rudder, and the flap ratio is determined to be 20.5 percent.
The above list is only the preferred embodiment of the present invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.
Claims (10)
1. Flap rudder system, its characterized in that: the rudder comprises a main rudder blade, an auxiliary rudder blade and a solid rudder, wherein the main rudder blade is hinged with the auxiliary rudder blade through a flap rudder pin, the main rudder blade is rotationally connected with the solid rudder through a rudder stock, the solid rudder is a connecting piece of the rudder blade and a ship body, and the solid rudder is connected with the auxiliary rudder blade through a universal adjusting driving device.
2. The flap rudder system according to claim 1 wherein: the universal regulation driving device comprises a guide rod connected with the auxiliary rudder blade and a universal joint mechanism connected with the dead rudder, wherein the universal joint mechanism is arranged at the end part of the guide rod, and the guide rod rotates and swings by taking the universal joint mechanism as a central shaft.
3. Flap rudder system according to claim 2, characterised in that: the universal joint mechanism comprises a vertical pin and a spherical hinge which is sleeved on the outer wall of the vertical pin and is rotationally connected with the vertical pin, the vertical pin is connected to the solid rudder, a guide rod is fixedly connected with the outer edge of the spherical hinge, the guide rod and the vertical pin are perpendicular to each other, and the guide rod rotates and swings with the vertical pin as a central shaft.
4. Flap rudder system according to claim 3, characterised in that: the two ends of the vertical pin are respectively provided with a vertical pin upper sleeve and a vertical pin lower sleeve, the vertical pin upper sleeve and the vertical pin lower sleeve are respectively fixedly connected with the solid rudder through bolts, the vertical pin is limited in the vertical pin upper sleeve and the vertical pin lower sleeve to rotate, a vertical pin upper bushing is arranged between the outer wall of the vertical pin and the inner wall of the vertical pin upper sleeve, a vertical pin lower bushing is arranged between the outer wall of the vertical pin and the inner wall of the vertical pin lower sleeve, and the spherical hinge is arranged between the vertical pin upper sleeve and the vertical pin lower sleeve.
5. Flap rudder system according to claim 2, characterised in that: the guide rod is sleeved with a guide rod sleeve, a guide rod bushing is arranged between the inner diameter of the guide rod sleeve and the outer diameter of the guide rod, the guide rod and the guide rod sleeve are connected in a sliding mode along the horizontal direction, the guide rod sleeve is welded with the auxiliary rudder blade, and the axis of a sleeve hole of the guide rod sleeve is parallel to the auxiliary rudder blade.
6. The flap rudder system according to claim 1 wherein: the flap rudder pintle adopts a structure with three coaxial pins, the main rudder blade and the auxiliary rudder blade are hinged through three coaxially arranged flap rudder pintle, and the flap rudder pintle is hydraulically assembled in a conical shape.
7. The flap rudder system according to claim 1 wherein: the main rudder blade and the auxiliary rudder blade both adopt streamline structures.
8. The flap rudder system according to claim 1 wherein: the main rudder blade is fixedly connected with the lower half part of the rudder stock, the solid rudder is rotatably connected with the upper half part of the rudder stock, and a rudder stock bushing and a rudder sleeve are arranged between the upper half part of the rudder stock and the solid rudder; the O-shaped sealing ring is arranged on the rudder stock and is arranged between the main rudder blade and the solid rudder.
9. The flap rudder system according to claim 1 wherein: the main rudder blade and the auxiliary rudder blade are provided with a flow stopping plate at one end far away from the solid rudder, the shape of the flow stopping plate is matched with the main rudder blade and the auxiliary rudder blade, and the part of the flow stopping plate, which is connected with the main rudder blade, is hinged with the part of the flow stopping plate, which is connected with the auxiliary rudder blade.
10. The flap rudder system according to claim 1 wherein: the main rudder blade is provided with a main rudder jump stopping block, and the auxiliary rudder blade is provided with an auxiliary rudder jump stopping block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011347064.0A CN112278223A (en) | 2020-11-26 | 2020-11-26 | Flap rudder system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011347064.0A CN112278223A (en) | 2020-11-26 | 2020-11-26 | Flap rudder system |
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| CN112278223A true CN112278223A (en) | 2021-01-29 |
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| CN202011347064.0A Pending CN112278223A (en) | 2020-11-26 | 2020-11-26 | Flap rudder system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114802676A (en) * | 2022-03-25 | 2022-07-29 | 宜昌一凡船舶设计有限公司 | High-performance combined rudder and design method |
| CN115258123A (en) * | 2022-08-23 | 2022-11-01 | 重庆长源船舶设备有限公司 | River and sea dual-purpose rudder horn type flap rudder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0170919A1 (en) * | 1984-07-14 | 1986-02-12 | BARKEMEYER-Schiffstechnik GmbH | High-efficiency flap rudder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114802676A (en) * | 2022-03-25 | 2022-07-29 | 宜昌一凡船舶设计有限公司 | High-performance combined rudder and design method |
| CN114802676B (en) * | 2022-03-25 | 2023-05-02 | 宜昌一凡船舶设计有限公司 | High-performance combined rudder and design method |
| CN115258123A (en) * | 2022-08-23 | 2022-11-01 | 重庆长源船舶设备有限公司 | River and sea dual-purpose rudder horn type flap rudder |
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