CN109795658B - Supporting device of nacelle type propeller and nacelle type propeller - Google Patents
Supporting device of nacelle type propeller and nacelle type propeller Download PDFInfo
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- CN109795658B CN109795658B CN201711146332.0A CN201711146332A CN109795658B CN 109795658 B CN109795658 B CN 109795658B CN 201711146332 A CN201711146332 A CN 201711146332A CN 109795658 B CN109795658 B CN 109795658B
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- Prior art keywords
- support
- propeller
- disk
- thruster
- disc
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- 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
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- 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
- B63H2005/1254—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis
- B63H2005/1258—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with electric power transmission to propellers, i.e. with integrated electric propeller motors
Abstract
A supporting device of a pod type propeller comprises a rotating device (40) and a propeller support (10), wherein the propeller support is fixedly connected with the rotating device through a connecting flange (12), and is characterized by comprising a supporting plate (20) and a plurality of supporting columns (22). The support disk includes a mating hole (24) having an inner periphery capable of abutting against a circumferential outer surface of the thruster mount. One end fixed connection of each support column is on the supporting disk, and the other end can fixed connection in flange. The supporting device provided by the invention has a simple structure, can ensure good steering and can effectively reduce the production cost. Meanwhile, the invention also provides a pod type propeller with the supporting device.
Description
Technical Field
The present disclosure relates to support devices, and particularly to a support device for a nacelle type propeller and a nacelle type propeller having the same.
Background
The pod type propeller is a novel ship propulsion device integrating propulsion and steering devices. The motor cabin of the pod type propeller is arranged outside the ship body, the propeller support connected with the motor cabin penetrates through a mounting hole formed in the ship body to be connected with a rotating device in the ship body, and the rotating device can drive the pod type propeller to horizontally rotate within 360 degrees relative to the ship body so as to achieve steering and propelling. The propeller support of the existing propeller is generally transited to be a cylinder shape matched with the mounting hole in the position of penetrating through the mounting hole in order to avoid the influence on the rotating stability caused by the shaking in the circular mounting hole, and compared with a streamline structure, the propeller support increases the weight and the material cost of the propeller support.
Disclosure of Invention
The invention aims to provide a supporting device of a pod type propeller, which has a simple structure, can ensure good steering and can effectively reduce the production cost.
Another object of the present invention is to provide a pod thruster that has a simple structure while ensuring good steering and effectively reducing production costs.
The invention provides a supporting device of a pod type propeller, the pod type propeller comprises a rotating device and a propeller bracket, and the propeller bracket is fixedly connected with the rotating device through a connecting flange. The support plate includes a mating hole having an inner periphery that is capable of being form-fitted with the circumferential outer surface of the propeller support. One end fixed connection of each support column is on the supporting disk, and the other end can fixed connection in flange.
According to the support device of the pod type propeller, the support disc is sleeved on the propeller support and abuts against the circumferential edge of the propeller support, and the support disc is fixed on the propeller support in the horizontal direction and the vertical direction through the plurality of support columns, so that the support device is simple and firm in structure. The supporting disk can follow the concentric rotation of propeller support in the mounting hole, and can support when the propeller support swings and lean on the inner wall of mounting hole and stabilize the propeller support, makes nacelle formula propeller have good stability. Compared with the existing propeller support, the propeller support in the supporting device does not need to pass through the mounting hole to be in a transition shape, but keeps a streamline shape, reduces water resistance, has a simple integral structure, saves materials, is easy to process, and can effectively reduce production cost.
In a further exemplary embodiment of the support device of the pod thruster, the support disk comprises a first disk part and a second disk part, wherein the first disk part and the second disk part can be combined to form the support disk.
In a further exemplary embodiment of the support device of the pod thruster, the first disc portion comprises a first recess. The second disc bar includes a second recess, wherein the first recess and the second recess form a mating hole when mated.
In another exemplary embodiment of the support arrangement of the pod thruster, the first and second disk parts are joined by a first and a second connection, wherein the first and second connections each extend from the mating hole towards the outer circumference of the support disk.
In another exemplary embodiment of the support arrangement of the pod thruster, the first and second disk portions of the support disk are mirror images.
In another exemplary embodiment of the support device of the pod thruster, an inner circumferential flange is formed along an inner circumference of the fitting hole, which is capable of fitting against a circumferential outer surface of the bracket.
In another exemplary embodiment of the support arrangement of the pod thruster, an outer circumferential flange is formed along the outer circumference of the support disc, which can be brought into abutment with the inner and outer surfaces of the mounting hole.
In another exemplary embodiment of the support assembly of the pod thruster, an outer periphery of the first disk forms a first disk outer peripheral flange and an outer periphery of the second disk forms a second disk outer peripheral flange.
In another exemplary embodiment of the support device of the pod thruster, the support columns are uniformly arranged along the circumference of the thruster support, so that the relative position of the support disc and the thruster support can be fixed more stably.
In another exemplary embodiment of the support device of the pod thruster, the support columns are studs.
The present invention also provides a pod type propeller, which is provided to a hull, the hull having a mounting hole formed therein, the pod type propeller comprising: a slewing device, a propeller support and a support device as described above. The slewing device is arranged in the ship body. The propeller support penetrates through the mounting hole to be connected with the rotating device and can rotate under the driving of the rotating device, and a connecting flange extending along the radial direction is formed or arranged at one end, connected with the rotating device, of the propeller support. Wherein the propeller support is matched with the matching hole of the supporting device, and the supporting disk of the supporting device is matched and connected with the mounting hole.
In another exemplary embodiment of the pod thruster, the pod thruster further comprises a motor compartment having a head end and a tail end along the propulsion direction, and the thruster supports are connected to the head end and the tail end of the motor compartment, respectively, reducing the stress level at the connection of the thruster supports and the slewing device.
The above-mentioned characteristics, technical features, advantages and realisations of the support device of a nacelle propeller and the nacelle propeller will be further explained in a clearly understandable manner in the following description of preferred embodiments in connection with the accompanying drawings.
Drawings
The following drawings are only schematic illustrations and explanations of the present invention, and do not limit the scope of the present invention.
Fig. 1 is a cross-sectional structural view for explaining an exemplary embodiment of a support device of a pod thruster.
FIG. 2 is a schematic sectional view for explaining the position II-II shown in FIG. 1
Fig. 3 is a cross-sectional structural view for explaining an exemplary embodiment of a support device of a pod thruster.
Fig. 4 is a cross-sectional structural view for explaining an exemplary embodiment of a support device of a pod thruster.
Description of the reference symbols
10 propeller support
12 connecting flange
20 support disc
21 first plate part
211 first recess
213 first disk first joint edge
215 first and second engaging edges of the first disk portion
22 second disc part
221 second recess
223 first joint edge of second disc part
225 second disk portion second engaging edge
23 first connection point
24 fixing hole
25 second junction
26 inner peripheral flange
27 peripheral flange
30 support rod
40 slewing gear
50 electric motor cabin
60 hull
62 mounting holes.
Detailed Description
In order to more clearly understand the technical features, objects and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals indicate the same or structurally similar but functionally identical elements.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.
Fig. 1 is a schematic sectional view for explaining an exemplary embodiment of a support device of a pod thruster, and fig. 2 is a schematic sectional view for explaining a position ii-ii shown in fig. 1. Referring to fig. 1 and 2, the pod thruster, which includes a slewing device 40 and a thruster support 10, is provided to a hull 60. The bottom wall 50 of the hull, and in particular the bottom of the hull, is formed with a mounting hole 62 for the mounting of the propeller support 10. The slewing device 40 is arranged inside the hull 60, and the propeller support 10 is fixedly connected to the slewing device 40 via a connecting flange 12. The coupling flange 12 may be a flange coupled to the top end of the propeller support 10 or a coupling flange integrally formed directly at the top end of the propeller support 10. The turning device 40 drives the propeller support 10 to rotate through the connecting flange, so that the direction of the motor cabin 50 fixed on the propeller support 10 is adjusted, the motor inside the motor cabin 50 is matched to provide power, and the whole ship body can turn and propel by 360 degrees. In order to reduce the resistance in the water flow, the propeller support 10 is designed to have a cross section along the water flow direction in an approximately elliptical streamline configuration as shown in fig. 2. However, the propeller support 10 of this shape is liable to swing in the mounting hole 62 to affect the steering.
The support means of the pod thruster comprises a support disc 20. The support plate 20 can be fitted to the thruster support 10 and is disposed at a position where the thruster support 10 passes through the mounting hole 62 in an assembled state. The support plate 20 includes a fitting hole 24, and an inner periphery of the fitting hole 24 can abut against a circumferential outer surface of the propeller support 10 in an assembled state, preventing it from swinging with respect to the propeller support 10, thereby achieving support of the propeller support 10 in a horizontal direction. A plurality of support columns 30 are provided on the surface of the support base 20, and one end thereof is fixedly connected to the support base 20 and the other end thereof can be fixedly connected to the connection flange 12. In the illustrated embodiment, the support column 30 is a stud bolt, and both ends thereof are respectively threadedly coupled to the coupling flange 12 and the support disk 20. For this purpose, a plurality of threaded bores for the threaded connection with threaded studs are provided on the connecting flange 12 and the support disk 20. By means of the fixed support disk 20 and the connection flange 12, the pod propeller support as well as the pod propeller body can be fixedly connected to the swivel device, and the pod propeller can be supported firmly on the support device. As shown in fig. 2, the support columns 30 are uniformly arranged along the outer circumference of the thruster support 10, and can more stably fix the relative positions of the support disk 20 and the thruster support 10.
According to the support device of the pod type propeller provided by one embodiment of the present invention, the support plate 20 is sleeved on the outer periphery of the propeller bracket 10 in an assembled state, and abuts against the circumferential outer surface of the propeller bracket 10 through the fitting hole 24 thereof. Meanwhile, the supporting device fixes the supporting plate 20 to the propeller support 10 in the vertical direction by the supporting columns 30, and the structure is simple and firm. The support disc 20 can rotate with the propeller support 10 in the mounting hole 62, and can abut against the inner wall of the mounting hole 62 to stabilize the propeller support 10 when the propeller support 10 swings, so that the pod type propeller has good stability. Compared with the existing propeller support, the propeller support in the pod type propeller does not need to be cylindrical in transition through the mounting hole, but keeps a streamline appearance, reduces water resistance, has a simple integral structure, saves materials, is easy to process, and can effectively reduce the production cost.
In order to achieve a more convenient assembly, in particular to enable the fitting hole 24 to better fit or fit with the circumferential outer surface of the thruster support 10, with reference to fig. 2, the support disk 20 may comprise a first disk portion 21 and a second disk portion 22, wherein the first disk portion 21 and the second disk portion 22 can be split into the support disk 20. In the embodiment shown in the figures, the first disc portion 21 is designed as a semi-circle, and a first concave portion 211 is provided on a straight edge of the first disc portion, and a first disc portion first joining edge 213 and a first disc portion second joining edge 215 are provided on both ends of the straight edge where the first concave portion 211 adjoins. The second disk portion 22 is also designed to be semicircular, and a second concave portion 221 is also provided on the side of the straight line, and a second disk portion first engaging side 223 and a second disk portion second engaging side 225 are provided on the two adjacent ends of the second concave portion 221 on the side of the straight line. The first concave portion 211 and the second concave portion 221 are combined to form a fitting hole 24. In the assembling process, the first disk part 21 and the second disk part 22 are separately sleeved on the periphery of the propeller support 10 and are spliced. The first joint edge 213 and the second joint edge 215 of the first disc portion are respectively spliced with the first joint edge 223 and the second joint edge 225 of the second disc portion, and can be fixed by bonding, welding, riveting, bolting (as shown in fig. 3) and the like, so as to form a first joint 23 and a second joint 25. In the exemplary embodiment, the first disk portion 21 and the second disk portion 22 of the support disk 20 are mirror images, and are composed of two portions with the same shape and opposite directions, so as to facilitate machining and installation.
Fig. 3 and 4 serve to illustrate another exemplary embodiment of a support device for a pod thruster. Referring to fig. 3, flanges are provided on the outer peripheries of the first disk part 21 and the second disk part 22, so that the first connection portion 23 and the second connection portion 25 can be respectively spliced by the flanges, and the flanges provide more joint areas, thereby facilitating the fixed connection by bolts and facilitating the installation and disassembly. However, without limitation, other exemplary embodiments may employ welding or other attachment means. In addition, the flange is also arranged at the first concave part 211 and the second concave part 221, or the flange is arranged at the periphery of the matching hole, so that the supporting disk 20 can be better matched with the pod type propeller support 10.
With further reference to fig. 4, an inner circumferential flange 25 is formed along the inner circumference of the fitting hole 24, which can be fitted to the circumferential outer surface of the bracket 10, making the assembly of the support disk 20 with the propeller bracket 10 more stable. A peripheral flange 27 is formed along the periphery of support plate 20 and can conform to the inner and outer surfaces of mounting hole 62 to provide more stable movement of support plate 20 within mounting hole 62.
The present invention also provides a pod thruster, referring to fig. 1, the pod thruster is provided to a hull 60, the hull 60 is formed with a mounting hole 62, and the pod thruster includes: a swivel device 40, a propeller support 10 and a support device as described above. The turning device 40 is provided inside the hull 60. The propeller support 10 is connected with the slewing device 40 through the mounting hole 62 and can rotate under the driving of the slewing device 40, and the end, connected with the slewing device 40, of the propeller support 10 is formed or provided with a connecting flange 12 extending along the radial direction. Wherein the thruster support 10 is fitted with the fitting hole 24 of the support means and the support plate 20 of the support means is fitted with the mounting hole 62.
In an exemplary embodiment, referring to fig. 1, the pod propeller further includes a motor compartment 50, the motor compartment 50 has a head end and a tail end along the propulsion direction, and the propeller support 10 is connected to the head end and the tail end of the motor compartment 50, so that the stress level at the connection between the propeller support 10 and the rotating device 40 is effectively reduced, and the steering stability of the pod propeller is improved.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications such as combinations, divisions or repetitions of features, which do not depart from the technical spirit of the present invention, should be included in the scope of the present invention.
Claims (11)
1. Support device for a pod thruster, wherein the pod thruster comprises a swivel device (40) and a thruster support (10), the pod thruster being arranged on a hull (60), the hull (60) being formed with a mounting hole (62) for the mounting of the thruster support (10), the thruster support (10) being fixedly connected to the swivel device (40) by means of a connection flange (12), characterized in that the thruster support (10) has a streamlined cross-section, the support device comprising:
a support disk (20) including a mating aperture (24), an inner periphery of the mating aperture (24) capable of mating with a streamlined circumferential outer surface shape of the propeller support (10), the support disk (20) configured to rotate with the propeller support (10) within the mounting aperture (62) and to abut against an inner wall of the mounting aperture (62) when the propeller support (10) is swung; and
and one end of each support column (30) is fixedly connected to the support disc (20), and the other end of each support column (30) can be fixedly connected to the connecting flange (12).
2. Support device according to claim 1, characterized in that said support disc (20) comprises
A first disc portion (21); and
a second disk part (22), wherein the first disk part (21) and the second disk part (22) can be combined to form the support disk (20).
3. The support device of claim 2,
said first disk portion (21) comprising a first recess (211);
the second disk part (22) comprises a second recess (221), wherein the first recess (211) and the second recess (221) form the fitting hole (24) after being split.
4. The supporting device according to claim 3, characterised in that the first disc part (21) and the second disc part (22) are joined by a first connection (23) and a second connection (25), wherein the first connection (23) and the second connection (25) each extend from the fitting hole (24) towards the outer periphery of the supporting disc (20).
5. Support device according to any one of claims 2 to 4, characterized in that the first (21) and the second (22) disk portion of the support disk (20) are mirror-symmetrical.
6. The support device according to any one of claims 2 to 4, characterized in that an inner peripheral flange (26) is formed along the inner periphery of the fitting hole (24) and is capable of fitting against the circumferential outer surface of the stent (10).
7. Support device according to claim 1, characterized in that a peripheral flange (27) is formed along the periphery of the support disc (20).
8. A support device as claimed in any one of claims 2 to 4, characterised in that the outer periphery of the first disc portion (21) forms a first disc peripheral flange; and the periphery of the second disk portion (22) forms a second disk peripheral flange.
9. Support device according to claim 1, characterized in that the support columns (30) are arranged uniformly in the circumferential direction of the support disc (20).
10. Support device according to claim 1, characterized in that the supporting columns (30) are stud bolts.
11. A pod thruster provided to a hull (60), the hull (60) being formed with a mounting hole (62), characterized in that the pod thruster includes:
a swivel device (40) disposed inside the hull (60);
a propeller support (10) passing through the mounting hole (62) to connect the slewing device (40), wherein a radially extending connecting flange (12) is formed or arranged at one end of the propeller support (10) connected with the slewing device (40); and
a support device according to any one of claims 1 to 10, wherein said thruster support (10) is fitted in a fitting hole (24) of said support device and a support plate (20) of said support device is fitted in said mounting hole (62).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146332.0A CN109795658B (en) | 2017-11-17 | 2017-11-17 | Supporting device of nacelle type propeller and nacelle type propeller |
| PCT/EP2018/081201 WO2019096831A1 (en) | 2017-11-17 | 2018-11-14 | Support apparatus for podded propulsor, and podded propulsor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146332.0A CN109795658B (en) | 2017-11-17 | 2017-11-17 | Supporting device of nacelle type propeller and nacelle type propeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109795658A CN109795658A (en) | 2019-05-24 |
| CN109795658B true CN109795658B (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711146332.0A Active CN109795658B (en) | 2017-11-17 | 2017-11-17 | Supporting device of nacelle type propeller and nacelle type propeller |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109795658B (en) |
| WO (1) | WO2019096831A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320659B (en) * | 2021-06-25 | 2022-07-01 | 广船国际有限公司 | Method for assembling flange and barrel of double-angle steering oar of ship |
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| US5904601A (en) * | 1997-07-04 | 1999-05-18 | Abb Azipod Oy | Propulsion unit |
| CN1359345A (en) * | 1999-05-11 | 2002-07-17 | 西门子公司 | Electric rudder propeller of lower installation height |
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| CN201211925Y (en) * | 2008-05-15 | 2009-03-25 | 上海振华港口机械（集团）股份有限公司 | Liftable pod propulsion driven by permanent-magnetic electric machine |
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| SE506926C2 (en) * | 1996-06-06 | 1998-03-02 | Kamewa Ab | Marine propulsion and steering units |
| SE517976C2 (en) * | 2000-04-27 | 2002-08-13 | Rolls Royce Ab | Arrangement at graft unit |
| US8011983B1 (en) * | 2008-01-07 | 2011-09-06 | Brunswick Corporation | Marine drive with break-away mount |
| EP2218639B1 (en) * | 2009-02-16 | 2015-06-03 | Niigata Power Systems Co., Ltd. | Turn control system for ship propulsion unit |
| DE102009000991A1 (en) * | 2009-02-18 | 2010-08-19 | Zf Friedrichshafen Ag | In a boat hull usable intermediate piece |
| GB2483915A (en) * | 2010-09-24 | 2012-03-28 | Oceanvolt Oy | Mount for a boat propulsion unit |
| DE102012210727A1 (en) * | 2012-06-25 | 2014-01-02 | Zf Friedrichshafen Ag | boot drive |
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| Publication number | Publication date |
|---|---|
| WO2019096831A1 (en) | 2019-05-23 |
| CN109795658A (en) | 2019-05-24 |
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