EP2669181B1 - Transmission device for ships - Google Patents

Transmission device for ships Download PDF

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Publication number
EP2669181B1
EP2669181B1 EP12382217.3A EP12382217A EP2669181B1 EP 2669181 B1 EP2669181 B1 EP 2669181B1 EP 12382217 A EP12382217 A EP 12382217A EP 2669181 B1 EP2669181 B1 EP 2669181B1
Authority
EP
European Patent Office
Prior art keywords
ship
propeller
support arm
stern
hinge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12382217.3A
Other languages
German (de)
French (fr)
Other versions
EP2669181A1 (en
Inventor
Luis Santiago Piñeiro Rodriguez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Talleres Luis Pineiro SL
Original Assignee
Talleres Luis Pineiro SL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Talleres Luis Pineiro SL filed Critical Talleres Luis Pineiro SL
Priority to ES12382217T priority Critical patent/ES2737418T3/en
Priority to EP12382217.3A priority patent/EP2669181B1/en
Priority to PT12382217T priority patent/PT2669181T/en
Publication of EP2669181A1 publication Critical patent/EP2669181A1/en
Application granted granted Critical
Publication of EP2669181B1 publication Critical patent/EP2669181B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/18—Propellers with means for diminishing cavitation, e.g. supercavitation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • B63H5/1252—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters the ability to move being conferred by gearing in transmission between prime mover and propeller and the propulsion unit being other than in a "Z" configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/16—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/18—Propellers with means for diminishing cavitation, e.g. supercavitation
    • B63H2001/185—Surfacing propellers, i.e. propellers specially adapted for operation at the water surface, with blades incompletely submerged, or piercing the water surface from above in the course of each revolution

Definitions

  • the present invention as indicated in its own title relates to a transmission device of the movement from the engine to the pusher propeller, of the type of those comprising a driving axis which mounts the propeller on the opposite end, which has an intermediate joint that allows placing said propeller below the keel of the ship in normal operating situation, or raising it when the ship moves through shallow waters or with seaweeds, rocks or other types of shallow obstacles.
  • ES 1 064 653 is considered to be the closest prior art and discloses a transmission device for ships comprising all the features of the preamble of independent claim 1.
  • the present invention includes a series of modifications to this device providing several notable practical advantages.
  • the C-shape support arm has its top and bottom wings hinged, with several fixation holes with various inclination angles, which allow to regulate the final position of the cavitation plate for placing it at the most suitable position in each ship, wherein the hinge linking the support arm with the stern of the boat consists of hinged plates orthogonally located with respect to the axis, that prevent the swinging or lateral displacement of the axis, regardless of the position in which it is placed.
  • the lifting mechanism of the axis of the propeller and rudder consists of a hinge, fixed at the stern of the boat, inside of which is mounted an actuating cylinder the compression and relaxation extreme positions of which correspond respectively to the folding and opening of the hinge, or what is the same the lifting or lowering of the axis.
  • This arrangement allows that the propeller is not immersed in the water and therefore its easy access without having to remove the ship from the water, while as the hinge has two separate hinged plates, orthogonal with respect to the axis, there is not any lateral movement in any of the positions of the axis, which provides greater resistance and robustness to the device.
  • the rudder is mounted behind the pusher propeller and both are located in a C-shape support piece, the vertical plot of which is orientated towards the stern of the boat, such that it protects the rudder and the propeller from the objects or obstacles on the bottom.
  • the axis of the rudder is mounted on the 3 ends of said C-shape piece, being rotated from the upper zone through an actuating cylinder that is attached to the upper part of the cavitation plate that protects the top of the propeller.
  • this support piece has regulation means that allow establishing the ideal position of the cavitation plate with the suitable horizontality and height.
  • the transmission axis is mounted on an axial channel existing in that of the ship that goes from the stern towards the central zone below the center line wherein said axis moves vertically; such that the starboard and port swinging is prevented, both when the boat is stopped and when it is moving and also it stabilizes the course by absorbing the impacts of the sea and the effects of wind on navigation, preventing the constant oscillations of the rudder.
  • the device of the present invention allows a single person to navigate through shallow waters and to perform the usual fishing and shellfish harvesting tasks since that if the net or any object get caught in the propeller, or the rudder, he can turn off the engine and manually remove the element that caused the blockage from the cavitation plate.
  • the device of the invention relates to a mechanical transmission device, in particular a device that transmits the engine torque from the engine or from the transmission (1) to the pusher propeller of a ship.
  • This device essentially comprises a drive axle (3) mounting on the end the pusher propeller (4); said axis emerges from the middle of the boat and runs along a channel in the bottom of the ship to the stern, having an intermediate joint (2) in the area near which it comes out of the hull of the ship allowing its abatement until placing said propeller (4) below the keel of the ship in normal operating situation (see figures 2 and 3 ), or raised when the ship moves through shallow waters or with seaweeds, rocks or other types of shallow obstacles (see Figure 1 ).
  • said drive axle (3) has a support arm (5) that adopts an elevation in C configuration, wherein the vertical plot is located towards the stern of the ship and incorporates an intermediate hub (13) through which said shaft (3) passes which incorporates the propeller (4) on the end, in a way such that it is situated in the interior of this support (5), protected during the forward movement of the boat from seaweeds or other obstacles that might be present on its course.
  • the support arm (5) is subsequently closed through the rotation axis (7) of the rudder (6) and above through a cavitation plate (9), on which the driving mechanism of the same is located, usually located on the cavitation plate (9) that protects the propeller at the top. Therefore, also the rudder is shielded from being affected by the obstacles that float or that are in the path of the ship.
  • the top of the support arm (5) has a V-configuration, seen from behind, articulating the end (10) of its wings in a hinge (8), located on the stern of the ship, through a hinged plate (12).
  • Said hinge (8) is actuated by a cylinder (11) which carries out the extension and compression stroke of the same, lowering or raising the axis-propeller-rudder-cavitation plate assembly inside the water.
  • the hinge (8) consists of hinged plates, orthogonally located with respect to the axis (1) preventing the swinging or lateral displacement of the axis, regardless of the position in which it is placed.
  • the C-shape support arm (5) has its upper and lower wings hinged, with at least one couple of two fixation holes (14-15-16) among themselves and with respect to the rudder axis (7). Depending on how the fixation between these hinged parts is established and at what inclination angles they are set, the final position of the cavitation plate (9) is regulated, in order to adopt a suitable position in each ship, aligned with the keel or waterline of the ship.

Landscapes

  • 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)

Description

    Object of the invention
  • The present invention as indicated in its own title relates to a transmission device of the movement from the engine to the pusher propeller, of the type of those comprising a driving axis which mounts the propeller on the opposite end, which has an intermediate joint that allows placing said propeller below the keel of the ship in normal operating situation, or raising it when the ship moves through shallow waters or with seaweeds, rocks or other types of shallow obstacles.
    • Background of the invention
  • Currently there are propulsion systems installed in a hole opened in the hull of the ship that have means of suspension or lifting of the propeller when required by the navigation. Documents ES-U257369 , ES-1010662 and ES-2213421 all of them relate to a device with these characteristics, the drive of which is effected by means of a cylinder included in said hole and therefore immersed in the water.
  • ES 1 064 653 is considered to be the closest prior art and discloses a transmission device for ships comprising all the features of the preamble of independent claim 1.
    • Description of the invention
  • The present invention includes a series of modifications to this device providing several notable practical advantages.
  • In a transmission device according to claim 1, the C-shape support arm has its top and bottom wings hinged, with several fixation holes with various inclination angles, which allow to regulate the final position of the cavitation plate for placing it at the most suitable position in each ship, wherein the hinge linking the support arm with the stern of the boat consists of hinged plates orthogonally located with respect to the axis, that prevent the swinging or lateral displacement of the axis, regardless of the position in which it is placed.
  • The lifting mechanism of the axis of the propeller and rudder consists of a hinge, fixed at the stern of the boat, inside of which is mounted an actuating cylinder the compression and relaxation extreme positions of which correspond respectively to the folding and opening of the hinge, or what is the same the lifting or lowering of the axis. This arrangement allows that the propeller is not immersed in the water and therefore its easy access without having to remove the ship from the water, while as the hinge has two separate hinged plates, orthogonal with respect to the axis, there is not any lateral movement in any of the positions of the axis, which provides greater resistance and robustness to the device.
  • In this transmission device the rudder is mounted behind the pusher propeller and both are located in a C-shape support piece, the vertical plot of which is orientated towards the stern of the boat, such that it protects the rudder and the propeller from the objects or obstacles on the bottom. The axis of the rudder is mounted on the 3 ends of said C-shape piece, being rotated from the upper zone through an actuating cylinder that is attached to the upper part of the cavitation plate that protects the top of the propeller. According to a feature of this invention this support piece has regulation means that allow establishing the ideal position of the cavitation plate with the suitable horizontality and height.
  • The transmission axis is mounted on an axial channel existing in that of the ship that goes from the stern towards the central zone below the center line wherein said axis moves vertically; such that the starboard and port swinging is prevented, both when the boat is stopped and when it is moving and also it stabilizes the course by absorbing the impacts of the sea and the effects of wind on navigation, preventing the constant oscillations of the rudder.
  • The device of the present invention allows a single person to navigate through shallow waters and to perform the usual fishing and shellfish harvesting tasks since that if the net or any object get caught in the propeller, or the rudder, he can turn off the engine and manually remove the element that caused the blockage from the cavitation plate.
    • Description of the figures
  • To complement the description that is being carried out and in order to facilitate the understanding of the features of the invention, the present specification is accompanied by a set of drawings wherein, with illustrative character and without limitation, the following has been represented:
    • Figure 1 shows a perspective general view of this device.
    • Figures 2 and 3 respectively represent two side and front elevational views from the boat, of said device.
    • Figure 4 shows a perspective view from a frontal angle.
    • Figure 5 represents a side elevational detailed view of the support of the end of the axis wherein the propeller and the rudder are mounted.
    Preferred embodiment of the invention
  • As it can be seen in the referenced figures the device of the invention relates to a mechanical transmission device, in particular a device that transmits the engine torque from the engine or from the transmission (1) to the pusher propeller of a ship. This device essentially comprises a drive axle (3) mounting on the end the pusher propeller (4); said axis emerges from the middle of the boat and runs along a channel in the bottom of the ship to the stern, having an intermediate joint (2) in the area near which it comes out of the hull of the ship allowing its abatement until placing said propeller (4) below the keel of the ship in normal operating situation (see figures 2 and 3), or raised when the ship moves through shallow waters or with seaweeds, rocks or other types of shallow obstacles (see Figure 1).
  • On the end, said drive axle (3) has a support arm (5) that adopts an elevation in C configuration, wherein the vertical plot is located towards the stern of the ship and incorporates an intermediate hub (13) through which said shaft (3) passes which incorporates the propeller (4) on the end, in a way such that it is situated in the interior of this support (5), protected during the forward movement of the boat from seaweeds or other obstacles that might be present on its course. The support arm (5) is subsequently closed through the rotation axis (7) of the rudder (6) and above through a cavitation plate (9), on which the driving mechanism of the same is located, usually located on the cavitation plate (9) that protects the propeller at the top. Therefore, also the rudder is shielded from being affected by the obstacles that float or that are in the path of the ship.
  • The top of the support arm (5) has a V-configuration, seen from behind, articulating the end (10) of its wings in a hinge (8), located on the stern of the ship, through a hinged plate (12). Said hinge (8) is actuated by a cylinder (11) which carries out the extension and compression stroke of the same, lowering or raising the axis-propeller-rudder-cavitation plate assembly inside the water. Such and as shown in the figures the hinge (8) consists of hinged plates, orthogonally located with respect to the axis (1) preventing the swinging or lateral displacement of the axis, regardless of the position in which it is placed.
  • The C-shape support arm (5) has its upper and lower wings hinged, with at least one couple of two fixation holes (14-15-16) among themselves and with respect to the rudder axis (7). Depending on how the fixation between these hinged parts is established and at what inclination angles they are set, the final position of the cavitation plate (9) is regulated, in order to adopt a suitable position in each ship, aligned with the keel or waterline of the ship.
  • Once sufficiently described the nature of the invention, as well as an example of preferred embodiment, it is stated for all useful purposes that the materials, shape, size and arrangement of the elements described above may be modified, provided that it does not involve an alteration of the essential features of the invention that are claimed below:

Claims (1)

  1. Transmission device for ships, comprising a drive axle (3) of a pusher propeller (4), which emerges from the middle zone of the boat and runs along a channel in the bottom of the ship to the stern, having an intermediate joint (2) allowing to locate said propeller below the keel of the ship under normal operating situation, or to raise it when the ship moves through shallow waters or with seaweeds, rocks or other shallow obstacles, wherein said drive axle (3) has behind the pusher propeller a C-configuration support arm (5), the vertical plan of which being situated towards the stern of the ship and incorporating a hub through which said drive axle (3) passes said hub incorporating the propeller (4) on the end, in a way such that said propeller is situated in the interior of said support arm (5), wherein said support arm (5) is subsequently closed through the rotation axis (7) of a rudder (6) and from above through a cavitation plate (9) above which a hinge (8) is articulated on, the other end of said hinge being fixed by means of a hinged plate (12) to the stern of the ship, said hinge (8) being actuated by a cylinder (11) that carries out the extension and compression stroke of the same, lowering or raising the axis-propeller, rudder and cavitation plate assembly inside the water;
    characterized in that the C-shape support arm (5) has its top and bottom wings hinged, with several fixation holes (15) with various inclination angles, which allow to regulate the final position of the cavitation plate (9) for placing it at the most suitable position in each ship, wherein the hinge (8) linking the support arm (5) with the stern of the boat consists of hinged plates orthogonally located with respect to the axle (3), that prevent the swinging or lateral displacement of the axle, regardless of the position in which it is placed.
EP12382217.3A 2012-05-30 2012-05-30 Transmission device for ships Active EP2669181B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES12382217T ES2737418T3 (en) 2012-05-30 2012-05-30 Boat transmission device
EP12382217.3A EP2669181B1 (en) 2012-05-30 2012-05-30 Transmission device for ships
PT12382217T PT2669181T (en) 2012-05-30 2012-05-30 Transmission device for ships

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12382217.3A EP2669181B1 (en) 2012-05-30 2012-05-30 Transmission device for ships

Publications (2)

Publication Number Publication Date
EP2669181A1 EP2669181A1 (en) 2013-12-04
EP2669181B1 true EP2669181B1 (en) 2019-04-24

Family

ID=46319086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12382217.3A Active EP2669181B1 (en) 2012-05-30 2012-05-30 Transmission device for ships

Country Status (3)

Country Link
EP (1) EP2669181B1 (en)
ES (1) ES2737418T3 (en)
PT (1) PT2669181T (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES257369Y (en) * 1981-04-04 1982-01-16 OSCILLATING TRANSMISSION MECHANISM FOR VESSELS
US5931710A (en) * 1998-01-12 1999-08-03 Johnson, Sr.; Clyde Surface drive kit for marine craft
ES2213421B1 (en) * 2001-07-06 2005-05-01 Maria Rosa Carbonell Cabrero VARIABLE ANGLE FORCE TRANSMISSION SYSTEM FOR BOATS.
ES1064653Y (en) * 2007-01-19 2007-07-01 Talleres Luis Pineiro S L TRANSMISSION DEVICE FOR BOATS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2737418T3 (en) 2020-01-14
PT2669181T (en) 2019-07-30
EP2669181A1 (en) 2013-12-04

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