CN211810164U - Propeller device for ship - Google Patents
Propeller device for ship Download PDFInfo
- Publication number
- CN211810164U CN211810164U CN202020394260.2U CN202020394260U CN211810164U CN 211810164 U CN211810164 U CN 211810164U CN 202020394260 U CN202020394260 U CN 202020394260U CN 211810164 U CN211810164 U CN 211810164U
- Authority
- CN
- China
- Prior art keywords
- hub
- propeller
- protective cover
- ship
- grid
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 11
- 235000001674 Agaricus brunnescens Nutrition 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model discloses a screw device for boats and ships, include: the fan comprises a hub and a plurality of blades arranged on the outer peripheral surface of the hub at equal intervals, wherein the hub is in a mushroom shape, a plurality of drain holes penetrate through the hub around the central axis direction, and the end part of each blade is provided with a plurality of arc-shaped guide blades respectively. The propeller device for the ship overcomes the problems that when a propeller of the ship in the prior art works, thrust is generated by the rotation of the angle of the blades to propel a ship body to move forwards and backwards, but the propeller is seriously disturbed by water flow and has large energy loss.
Description
Technical Field
The utility model relates to a screw field specifically relates to a screw device for boats and ships.
Background
At present, a propeller is generally adopted as a propulsion device of a ship, the propeller is composed of a propeller hub and a propeller blade, the propeller is connected with an output shaft of a main engine through a stern shaft, the stern shaft is connected with a ship body through a bearing, a bearing seat and a sealing device, a ship stern shaft frame is arranged at the joint of the ship body corresponding to the propeller, and the stern shaft drives the propeller to rotate so as to drive the ship to sail.
When the existing propeller of a ship works, thrust is generated by the rotation of the angle of the blades to propel a ship body to move forwards and backwards, but the existing propeller is seriously disturbed by water flow and has large energy loss.
Therefore, the utility model provides a can reduce the interference of rivers effectively in the use, reduce the resistance, reduce power loss to the marine propeller device of indirectly saving the energy is the problem that the utility model discloses need solve urgently.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims at overcoming the screw of boats and ships among the prior art at the during operation, lean on the rotation production thrust of blade angle in order to impel the hull to the fore-and-aft movement, but receive rivers and disturb seriously, energy loss is also big problem to provide one kind and can reduce the interference of rivers effectively in the use, reduce the resistance, reduce power loss, thereby save the screw device for boats and ships of the energy indirectly.
In order to achieve the above object, the utility model provides a screw device for boats and ships, screw device for boats and ships includes: the fan comprises a hub and a plurality of blades arranged on the outer peripheral surface of the hub at equal intervals, wherein the hub is in a mushroom shape, a plurality of drain holes penetrate through the hub around the central axis direction, and the end part of each blade is provided with a plurality of arc-shaped guide blades respectively.
Preferably, the inside of the drain hole is spiral, and the rotation direction of the drain hole is consistent with the rotation direction of the blade.
Preferably, the top of the hub is provided with an acoustic wave driver.
Preferably, the marine propeller device further includes: the safety cover, just thick liquid hub sets up the inside of safety cover, just the end of intaking and the play water end of safety cover are provided with the bars net respectively.
Preferably, the grid is arc-shaped and the hub is located on the concave side of the grid.
Preferably, the grid mesh is connected with the protective cover in a snap-in manner.
Preferably, a driving shaft is connected to the end of the hub, the driving shaft is arranged coaxially with the hub, and the driving shaft at least partially extends out of the protective cover to be connected with an external driving mechanism.
According to the technical scheme, the utility model provides a screw device for boats and ships' beneficial effect when using does: the mushroom-shaped propeller hub reduces resistance in water, the plurality of drain holes penetrating through the propeller hub can further reduce the resistance in water, the arc-shaped guide vanes at the end parts of the vanes are beneficial to stabilizing a flow field around the propeller hub, working efficiency of the propeller can be effectively improved through optimization of the three aspects, and under the condition of the same power, an energy-saving effect can be achieved.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a marine propeller device according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of a starching hub of a marine propeller device according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a protective cover for a marine propeller device according to a preferred embodiment of the present invention; and
fig. 4 is a schematic structural view of the inside of a drain hole in a marine propeller device according to a preferred embodiment of the present invention.
Description of the reference numerals
1-propeller hub 2-acoustic-wave driving device
3 blade 4 drain hole
5 guide vane 6 net
7 protective cover 8 driving shaft
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, inner, outer" and the like included in the terms only represent the orientation of the terms in a conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1-4, the utility model provides a screw device for boats and ships, screw device for boats and ships includes: the fan comprises a hub 1 and a plurality of blades 3 arranged on the outer peripheral surface of the hub 1 at equal intervals, wherein the hub 1 is in a mushroom shape, a plurality of drain holes 4 penetrate through the hub 1 around the central axis direction, and a plurality of arc-shaped guide vanes 5 are respectively arranged at the end part of each blade 3.
The utility model provides a screw device for boats and ships beneficial effect when using does: on one hand, the mushroom-shaped propeller hub 1 reduces the resistance in water, on the other hand, a plurality of water drainage holes 4 penetrating through the propeller hub 1 can further reduce the resistance in water, the arc-shaped guide vanes 5 at the end parts of the vanes 3 are beneficial to the stability of a flow field around the propeller hub of the propeller, the working efficiency of the propeller can be effectively improved through the optimization of the three aspects, and under the condition of the same power, the energy-saving effect can be achieved.
In a preferred embodiment of the present invention, the inside of the drain hole 4 is formed in a spiral shape, and the spiral shape is formed such that the rotation direction of the drain hole 4 coincides with the rotation direction of the blade 3.
In the above solution, the internal structure of the drainage hole 4 can make the passing water flow present a rotation state, and the rotation direction is consistent with the rotation direction of the blade 3, thereby reducing the resistance of the water flow to some extent.
In a preferred embodiment of the invention, the top of the hub 1 is provided with a sound wave driver 2.
The sound wave driving device 2 can send the sound wave in the waters around the screw to drive fish, prevent fish and screw collision from causing its death, can influence the ecological balance in the aquatic like this, and the utility model discloses a screw device can avoid this problem to take place.
In a preferred embodiment of the present invention, the propeller device for a ship further includes: the safety cover 7, just thick liquid hub 1 sets up the inside of safety cover 7, just the end of intaking and the play water end of safety cover 7 are provided with grid 6 respectively.
In the above scheme, the grid 6 can prevent foreign matters from being wound on the blades of the propeller, and can protect aquatic organisms from colliding with the blades to cause death.
In a preferred embodiment of the present invention, the grid 6 is arc-shaped, and the hub 1 is located on the concave side of the grid 6.
In the above solution, the shape of the grid 6 can effectively reduce the resistance in water.
In a preferred embodiment of the present invention, the grid 6 and the protective cover 7 are connected by a snap-fit connection.
In the scheme, the structure can be used for conveniently disassembling and replacing the protective cover 7.
In a preferred embodiment of the present invention, the end of the hub 1 is connected with a driving shaft 8, the driving shaft 8 is coaxially disposed with the hub 1, and the driving shaft 8 at least partially extends out of the protecting cover 7 and the external driving mechanism.
The utility model provides a screw of boats and ships among the prior art is overcome to screw device for boats and ships at the during operation, leans on the rotation of blade angle to produce thrust in order to impel the hull to the fore-and-aft movement, but receives rivers to disturb seriously, the also big problem of energy loss.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (7)
1. A propeller device for a ship, characterized by comprising: the fan blade comprises a hub (1) and a plurality of blades (3) arranged on the outer peripheral surface of the hub (1) at equal intervals, wherein the hub (1) is mushroom-shaped, a plurality of drain holes (4) penetrate through the hub (1) around the central axis direction, and the end part of each blade (3) is provided with a plurality of arc-shaped guide vanes (5).
2. The propeller device according to claim 1, wherein the inside of the drain hole (4) is formed in a spiral shape, and the rotation direction of the drain hole (4) coincides with the rotation direction of the blade (3).
3. Marine propeller arrangement according to claim 1, characterised in that the top of the hub (1) is provided with a sonic expeller (2).
4. The marine propeller device as claimed in claim 1, further comprising: the device comprises a protective cover (7), wherein the hub (1) is arranged inside the protective cover (7), and the water inlet end and the water outlet end of the protective cover (7) are respectively provided with a grid net (6).
5. Marine propeller arrangement according to claim 4, characterised in that the grid (6) is arc-shaped and that the hub (1) is located on the concave side of the grid (6).
6. Marine propeller arrangement according to claim 4, characterised in that the grid (6) and the protective cover (7) are snap-in connected.
7. Propeller arrangement for watercraft according to claim 4, characterised in that a drive shaft (8) is connected to the end of the hub (1), that the drive shaft (8) is arranged coaxially with the hub (1), and that the drive shaft (8) extends at least partially out of the protective cover (7) and is connected to an external drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020394260.2U CN211810164U (en) | 2020-03-25 | 2020-03-25 | Propeller device for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020394260.2U CN211810164U (en) | 2020-03-25 | 2020-03-25 | Propeller device for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211810164U true CN211810164U (en) | 2020-10-30 |
Family
ID=73009535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020394260.2U Expired - Fee Related CN211810164U (en) | 2020-03-25 | 2020-03-25 | Propeller device for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211810164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2025503593A (en) * | 2022-01-04 | 2025-02-04 | ジン キム、ビョン | Deformable variable spiral cylinder and propeller and nozzle using same |
-
2020
- 2020-03-25 CN CN202020394260.2U patent/CN211810164U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2025503593A (en) * | 2022-01-04 | 2025-02-04 | ジン キム、ビョン | Deformable variable spiral cylinder and propeller and nozzle using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |