CN206171771U - Double screw is used to boats and ships - Google Patents
Double screw is used to boats and ships Download PDFInfo
- Publication number
- CN206171771U CN206171771U CN201621186526.4U CN201621186526U CN206171771U CN 206171771 U CN206171771 U CN 206171771U CN 201621186526 U CN201621186526 U CN 201621186526U CN 206171771 U CN206171771 U CN 206171771U
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- CN
- China
- Prior art keywords
- main
- axle
- hub
- metaplasm
- impeller
- 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
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Abstract
The utility model discloses a double screw is used to boats and ships, including main oar axle, main oar off -axial wall is equipped with main propeller hub, main propeller hub and main oar axle swing joint, main propeller hub outer wall is equipped with the main blade wheel, main blade wheel bottom is equipped with the blade root, blade root and main propeller hub fixed connection, main oar axle inside is equipped with main rotation axis, main oar axle one end is equipped with the connecting axle, main rotation axis and connecting axle hub connection, connecting axle one end is equipped with the metaplasm axle, the inside pair rotation axis that is equipped with of connecting axle, vice rotation axis and connecting axle hub connection, metaplasm axle surface outer wall is equipped with the metaplasm hub, metaplasm hub outer wall is equipped with auxiliary impeller, auxiliary impeller and metaplasm hub fixed connection, the utility model discloses be favorable to the biggest the overcome submarine pressure and the resistance, be favorable to the motive force of the biggest increase screw, be favorable to lengthening impeller life.
Description
Technical field
This utility model is related to shipbuilding apparatus field, more particularly to a kind of double propeller of ship.
Background technology
It is well known that propeller has a wide range of applications as propulsion or energy conversion device in reality.By work side
Formula can be divided into following a few classes：First, using the reaction propulsion of convection cell, such as ship, aircraft is advanced using propeller, is practised
Used upper referred to as propeller；2nd, convection cell applies energy to complete the conveying of air and water or other fluid, traditionally referred to as fan or
Pump leaf etc.；3rd, the kinetic energy for absorbing fluid is translated into mechanical energy, traditionally referred to as wind-force, hydroelectric blade
Or turbine etc., propeller is most widely used a kind of propulsion mode in spot ship Push Technology, and propeller is typically by propeller hub
Constitute with blade, relatively large propeller blade is generally aerofoil profile or arcuate, and the blade of small propeller or fan etc. also has thin slice
Type, but when in use rotational pressure is big for existing propeller, and impeller easily ftractures or distorts, and service life is significantly brief,
In addition, when propeller is used at the bottom, in a piece of impeller failure, other impeller abilities to work are reduced, so as to ship
Navigation brings adverse effect, therefore, a kind of ship of invention is solved the above problems necessary with double propeller.
Utility model content
The purpose of this utility model is to provide a kind of double propeller of ship, to solve above-mentioned background technology in proposition
Problem.
For achieving the above object, this utility model provides following technical scheme：A kind of double propeller of ship, including master
Oar axle, the main oar axle outer wall is provided with main hub, and the main hub is flexibly connected with main oar axle, and the main hub outer wall is provided with master
Impeller, the main impeller bottom is provided with blade root, and the blade root is fixedly connected with main hub, and inside the main oar axle main rotation is provided with
Axle, described main oar axle one end is provided with connecting shaft, and the main rotating shaft is connected with connecting shaft axle, and described connecting shaft one end is provided with metaplasm
Axle, is provided with secondary rotary shaft inside the connecting shaft, the secondary rotary shaft is connected with connecting shaft axle, and the metaplasm axle face surface wall sets
There is metaplasm hub, the secondary hub outer wall is provided with accessory impeller, and the accessory impeller is fixedly connected with metaplasm hub.
Preferably, more than connection shaft diameter, the connecting shaft is with diameter greater than metaplasm shaft diameter for the main oar shaft diameter.
Preferably, the main impeller is set to sinusoidal with accessory impeller guide margin.
Preferably, the main hub is identical with metaplasm hub direction of rotation, and separate does not interfere with each other.
Technique effect of the present utility model and advantage：Cooperated by main oar axle and metaplasm axle, one is done to hydraulic pressure and is delayed
Punching, will not cause king-sized pressure to an oar axle, be conducive to protecting impeller, main impeller to be set to sine with accessory impeller guide margin
Curve-like, be conducive to maximum overcomes water-bed pressure and resistance, is conducive to the maximum motive force for increasing propeller, is conducive to prolonging
Long impeller service life, main oar axle is separate with metaplasm axle not to be interfere with each other, and being conducive to main impeller to damage does not affect accessory impeller
Normal operation, advantageously ensures that ship normally travel.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is internal structure schematic diagram of the present utility model.
In figure：1 main oar axle, 2 connecting shafts, 3 metaplasm axles, 4 main hubs, 5 blade roots, 6 solar panels, 7 main rotating shafts, 8
Secondary rotary shaft, 9 accessory impellers, 10 metaplasm hubs.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
This utility model provides the double propeller of a kind of ship as shown in Figure 1-2, including main oar axle 1, the master
The outer wall of oar axle 1 is provided with main hub 4, and the main hub 4 is flexibly connected with main oar axle 1, and the outer wall of the main hub 4 is provided with main impeller 6,
The bottom of the main impeller 6 is provided with blade root 5, and the blade root 5 is fixedly connected with main hub 4, and inside the main oar axle 1 main rotation is provided with
Axle 7, described main one end of oar axle 1 is provided with connecting shaft 2, and the main rotating shaft 7 is connected with the axle of connecting shaft 2, and the one end of the connecting shaft 2 sets
There is metaplasm axle 3, secondary rotary shaft 8 is provided with inside the connecting shaft 2, the secondary rotary shaft 8 is connected with the axle of connecting shaft 2, the metaplasm
The face surface wall of axle 3 is provided with metaplasm hub 10, and the outer wall of metaplasm hub 10 is provided with accessory impeller 9, and the accessory impeller 9 is fixed with metaplasm hub 10
Connection.
The main oar axle 1 is conducive to diameter greater than the diameter of connecting shaft 2, the connecting shaft 2 with diameter greater than the diameter of metaplasm axle 3
Main oar axle 1 cooperates with metaplasm axle 3, and a buffering is done to hydraulic pressure, will not cause king-sized pressure to an oar axle, favorably
In protection impeller, the main impeller 6 is set to sinusoidal with the guide margin of accessory impeller 9, and sine curve is conducive to overcoming for maximum
The pressure and resistance at the bottom, is conducive to the maximum motive force for increasing propeller, is conducive to extending impeller service life, the main oar
Hub 4 is identical with the direction of rotation of metaplasm hub 10, and it is separate do not interfere with each other, direction is identical, is conducive to main oar axle 1 and metaplasm axle 3
Cooperate, a buffering is done to hydraulic pressure, it is separate not interfere with each other, be conducive to main impeller 6 damaging and do not affect accessory impeller 9 just
Often operation, advantageously ensures that ship normally travel.
Operation principle：When using, main oar axle 1 and metaplasm axle 3 are driven with connecting shaft 2 by main rotating shaft 7, secondary rotary shaft 8
Rotate, main oar axle 1 cooperates with metaplasm axle 3, and a buffering is done to hydraulic pressure, will not cause king-sized pressure to an oar axle
Power, be conducive to protecting impeller, main impeller 6 and the guide margin of accessory impeller 9 to be set to sinusoidal, is conducive to the bottom that overcomes of maximum
Pressure and resistance, are conducive to the maximum motive force for increasing propeller, are conducive to extending impeller service life, main oar axle 1 and metaplasm
Axle 3 is separate not to be interfere with each other, and is conducive to main impeller 6 to damage the normal operation for not affecting accessory impeller 9, advantageously ensures that ship just
Often travel.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art
For, it still can modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Equivalent is carried out, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc.,
Should be included within protection domain of the present utility model.
Claims (4)
1. a kind of double propeller of ship, including main oar axle（1）, it is characterised in that：The main oar axle（1）Outer wall is provided with main oar
Hub（4）, the main hub（4）With main oar axle（1）It is flexibly connected, the main hub（4）Outer wall is provided with main impeller（6）, the master
Impeller（6）Bottom is provided with blade root（5）, the blade root（5）With main hub（4）It is fixedly connected, the main oar axle（1）Inside is provided with master
Rotary shaft（7）, the main oar axle（1）One end is provided with connecting shaft（2）, the main rotating shaft（7）With connecting shaft（2）Axle connects, institute
State connecting shaft（2）One end is provided with metaplasm axle（3）, the connecting shaft（2）Inside is provided with secondary rotary shaft（8）, the secondary rotary shaft（8）
With connecting shaft（2）Axle connects, the metaplasm axle（3）Face surface wall is provided with metaplasm hub（10）, the metaplasm hub（10）Outer wall is provided with
Accessory impeller（9）, the accessory impeller（9）With metaplasm hub（10）It is fixedly connected.
2. the double propeller of a kind of ship according to claim 1, it is characterised in that：The main oar axle（1）Diameter is big
In connecting shaft（2）Diameter, the connecting shaft（2）With diameter greater than metaplasm axle（3）Diameter.
3. the double propeller of a kind of ship according to claim 1, it is characterised in that：The main impeller（6）With accessory lobes
Wheel（9）Guide margin is set to sinusoidal.
4. the double propeller of a kind of ship according to claim 1, it is characterised in that：The main hub（4）With metaplasm
Hub（10）Direction of rotation is identical, and separate does not interfere with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621186526.4U CN206171771U (en) | 2016-11-04 | 2016-11-04 | Double screw is used to boats and ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621186526.4U CN206171771U (en) | 2016-11-04 | 2016-11-04 | Double screw is used to boats and ships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206171771U true CN206171771U (en) | 2017-05-17 |
Family
ID=58682832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621186526.4U Expired - Fee Related CN206171771U (en) | 2016-11-04 | 2016-11-04 | Double screw is used to boats and ships |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206171771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750916A (en) * | 2022-06-08 | 2022-07-15 | 华东交通大学 | Ship propeller device with auxiliary propeller |
-
2016
- 2016-11-04 CN CN201621186526.4U patent/CN206171771U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750916A (en) * | 2022-06-08 | 2022-07-15 | 华东交通大学 | Ship propeller device with auxiliary propeller |
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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: 20170517 Termination date: 20171104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |