CN207607627U - A kind of marine propeller - Google Patents
A kind of marine propeller Download PDFInfo
- Publication number
- CN207607627U CN207607627U CN201721326225.1U CN201721326225U CN207607627U CN 207607627 U CN207607627 U CN 207607627U CN 201721326225 U CN201721326225 U CN 201721326225U CN 207607627 U CN207607627 U CN 207607627U
- Authority
- CN
- China
- Prior art keywords
- propeller
- kuppe
- master
- pair
- water tank
- 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 kind of marine propellers, including master's axis with slurry, it is cased with kuppe on master's axis with slurry, it is equipped in master's the tip of the axis with slurry main with propeller, master is located at propeller in kuppe, several pairs are installed on kuppe and match propeller, pair is connect with pair with driving device with propeller, Annular Nozzle is installed in kuppe, Annular Nozzle passes through in connecting tube and water tank, gravity piston is installed, water tank is connect with water pump, and the water in gravity piston compressing water tank is injected to main on propeller by connecting tube on water tank.The marine propeller of the utility model, it is simple and reliable for structure, have excellent performance, be ingenious in design, the propulsive efficiency of hull is promoted using multiple reaction result, propeller greatly increases in terms of thrust, propulsive efficiency is significantly promoted, and effectively prevents the effect of cavitation.
Description
Technical field
The utility model is related to marine propellers, belong to ship domain.
Background technology
For hull due to the factor of propeller, propulsive efficiency is very low so that hull taken in transportational process it is long,
And traditional propeller to be a blade mostly add conventional propeller that a shaft forms, the anti-work of propeller is not utilized well
Firmly effect.In addition conventional helical is very poor with the function and effect of water in rotary course, and the eddy energy that tail portion generates fails to have
The problems such as effect utilizes, and Cavitation effect avoids unobvious when rotation, and single more paddle joint efficiencies are not high.Based on this, herein in order to avoid
The above problem devises a kind of novel marine propeller.
Utility model content
Purpose of utility model：In order to overcome the deficiencies in the prior art, the utility model to provide a kind of spiral peculiar to vessel
Paddle, have the characteristics that it is simple and reliable for structure, have excellent performance, significantly improve the propulsive efficiency of hull.
Technical solution：In order to solve the above technical problems, a kind of marine propeller of the utility model, including master's axis with slurry and
Kuppe, oblique on master's axis with slurry to draw three inclined shaft bars with dog-ear at array arrangement, kuppe is embedded in tiltedly
On shaft, master is installed in master's the tip of the axis with slurry and matches propeller, master is located at propeller in kuppe, in the end of inclined shaft bar
Pair is installed and matches propeller, pair is connect with pair with driving device with propeller, the secondary dog-ear for being mounted on inclined shaft bar with driving device
Place is equipped with Annular Nozzle in kuppe, and Annular Nozzle, with water tank, is equipped with gravity piston by connecting tube on water tank,
Water tank is connect with water pump, and the water in gravity piston compressing water tank is injected to main on propeller by connecting tube.
Preferably, the master includes multi-disc blade with propeller and secondary propeller of matching, set at the blade root of every blade
There are multiple through-holes.
Preferably, the kuppe is the small rear end of leading portion greatly and carries fairshaped cylindrical cover.
Preferably, the inclined shaft bar installation is on the shell, shell is fixed on hull, and main paddle shaft of matching is from housing center axis
It passes through.It is the inclined shaft bar drawn on the concentric shell of main axis with slurry, and shell is connected with hull, and pair is matched with driving device and pair
The rotation of propeller does not influence main screw.
Preferably, the secondary driving device of matching is mounted at the dog-ear of inclined shaft bar, there are one special to open up at dog-ear
Space is opened up, it is secondary with driving device for installing, it is secondary with propeller in order to drive.At dog-ear, avoid secondary with driving
Device, which is mounted on pair, which matches torque caused by propeller, influences, and is the position fastened the most relatively herein, advantageously reduces
Pair matches the mutual vibration effect of driving device with propeller and pair.
Preferably, matching the 1/4~1/2 of revolution speed of propeller based on the secondary rotating speed with propeller, volume is simultaneously little.
It is smaller to the secondary requirement with driving device because pair is not high with the rotating speed required by propeller, so will not be because of device
Vibrate and influence the operating of whole device.Pair matches this rotating speed of propeller, maximum convenient for flow of the row into kuppe；It should
It is optimal to hull propulsive efficiency when pair has angle with propeller under rotating speed, and under the rotating speed, major-minor matches propeller
The interference of formation is minimum.
In the present invention, the pair matches propeller when receiving extraneous water velocity variation more than a certain range,
Corresponding reaction is made, to change the angle between blade and center line so that maximum flow of water amount discharges into refluence cover.It is described
Spray equipment is different from traditional spray system, and traditional spray system mainly applies in hydraulic propeller, by means of paddle tail
Spout water outlet.And spray equipment herein is then transferred to and flows backwards the annular covered one week, pressure difference is stronger, and water spray space is more
Greatly, contact surface is wider, to which function and effect are more excellent.
In the present invention, main axis with slurry and the main collocation with propeller must be positioned at the center of kuppe front end, profit
Reaction force is totally absorbed in the direction of advance with flow, reduces other directions to reaction force resolution.The propeller
Blade form is changed, avoids vacuolus denudation effect, the influence according to kuppe to its internal propeller is the study found that leaf is slightly led
Often occurs vacuole area at side, the utility model exactly avoids the cavitating region of the part.Increase the face on the blade left side simultaneously
Product so that whole blade face area and former propeller are equal in magnitude, increase the effective area of blade and water effect instead.Again according to new
The research of type propeller, such mode are more advantageous to the propulsive efficiency of propeller, and the collocation of kuppe and Novel paddle is suitble to make
With.Change the original complete structure of blade, avoids the Cavitation effect of propeller by punching at blade root.The hole is formd by leaf
To the one stream of water of blade back, this flow forms a piece of vacuole earlier in blade back exit in face, downstream steadily along hole exits
It is covered in formation vacuole pad on blade back, so that the vacuole that blade generates is gone over, without directly contacting with blade back, avoids acting on
On blade back, to reduce the effect of cavitation.Traditional kuppe is cylindrical shape mostly, and the kuppe is that leading portion is small
Rear end it is big and carry fairshaped cylindrical cover, avoid it from excessive viscous pressure resistance being caused to increase because changing.Meanwhile propeller pushes away
The reaction force that dynamic water is formed acts directly on the leading portion of kuppe, significantly promotes the propulsive performance of propeller.Secondary axis with slurry
The left end of bar is linked with driving device, and right end is propped up by flexural pivot to be connected with blade, adjusts the axial line and shaft of propeller
Angle, the row to keep flow intensive is into kuppe, and one side flow improves reaction force with main with propeller effect, separately
On the one hand, larger water speed acts on kuppe and increases hull thrust again, while the rotation of secondary propeller itself also provides ship
The power that body advances, greatly improves the propulsive efficiency of propeller.Traditional screw vortex energy is unable to get utilization, and
It is secondary with propeller by adding in the system so that the main eddy energy generated with propeller has obtained sufficient application, converts
For effective thrust power.It is medium by the main whirlpool generated with propeller, is formed to turning effect, kept away between major-minor propeller
Main screw and the secondary influence between propeller are exempted from.Pair with propeller can according to streamflow regime automatically adjust center line with
Angle between horizontal line makes rear end of the whole flow towards kuppe, and the leading portion of main screw and kuppe, enhancing is pushed to make
Firmly, ship's speed is promoted.Traditional propeller is in rotary course, and the flow that surrounding generates is less so that between flow and propeller
Function and effect it is poor, pass through the secondary use for matching propeller so that a large amount of flows in tail portion are sprung up with propeller into increasing to main
The main effect with propeller and water, enhances function and effect.Overboard system, which mainly forms, has suction pump, storage water tank, gravity to live
Plug, outlet pipe, toroidal nozzle form a circulatory system under the combination of each structure, spray water with propeller to main, increase spiral
The function and effect of paddle.The jet pipe opens one week intensive aperture along in pipe through direction, is therefrom quickly sprayed convenient for flow
It is sprinkled upon above propeller, promotes the effect of water and propeller.The problem for improving traditional paddle and water effect difference, using pumping for water pump,
It is stored in water tank, so that liquid is formed larger pressure difference by the gravity piston of water tank upper, then enter ring from outlet pipe
It in shape jet pipe, and then sprays water to the propeller of rotation so that the propeller of rotation and the interaction effect of water are reinforced, significantly
Promote the propulsive efficiency of propeller.
Advantageous effect：The marine propeller of the utility model, it is simple and reliable for structure, have excellent performance, is ingenious in design, using more
Secondary reaction result promotes the propulsive efficiency of hull.Traditional propeller is that blade rotates in hydrostatic, and reaction force only acts on
On blade, it is equivalent to position and only produces one.And the utility model then generates multiple positions, increases effect effect
Fruit.It is as follows：First, the position of the effect formation of main screw and flow；Second, main screw rotation causes flow and leads
The position formed between stream cover；Third acts on the position of formation between secondary propeller and flow；4th, secondary propeller
Rotation causes the forward acceleration of flow so that main screw forms new position with flow；5th, the rotation of secondary propeller
Cause to form new position between the forward acceleration of flow and kuppe.Meanwhile the propeller passes through to blade blade face
Trepanning and blade form make appropriate change and avoid influence of the cavitation phenomena of blade root and leaf slightly to propeller in refluence is covered,
And find that the blade face area after changing increases by the comparison of Fig. 3, improve the function and effect of propeller.In addition 3 are used
Utilization of the pair with propeller to the main eddy energy generated with propeller so that the energy lost in the past gets application, and takes two
Between person to rotary-die type, counteract influencing each other between the two.Increase propeller using overboard system to contact with the effective of water,
The interaction between the two is promoted, propulsive efficiency is improved.So by can be seen that the Novel spiral to the utility model
Paddle greatly increases in terms of thrust, and propulsive efficiency is significantly promoted, and effectively prevents the effect of cavitation.
Description of the drawings
Fig. 1 is propeller side view schematic diagram.
Fig. 2 is propeller front view schematic diagram.
Match propeller blade shape and structure figure based on Fig. 3.
Fig. 4 is screw blade cross-sectional shapes figure.
Fig. 5 is kuppe sectional view.
Specific implementation mode
As shown in Figures 1 to 5, a kind of marine propeller of the utility model, including master's axis 1 with slurry, master's axis 1 with slurry
Inclined shaft bar 4 with dog-ear of the upper oblique extraction three at array arrangement, kuppe 3 is embedded on inclined shaft bar 4, in master's axis with slurry
1 end is equipped with master and matches propeller 2, and master is located at propeller 2 in kuppe 3, several pairs are equipped on kuppe 3
With propeller 7, pair is mounted on propeller 7 on inclined shaft bar 4, and pair is connect with pair with driving device with propeller 7, in kuppe 3
Annular Nozzle is inside installed, Annular Nozzle by connecting tube 10 and water tank 9, being equipped with gravity piston on water tank 9, water tank 9 with
Water pump 8 connects, and the water in gravity piston compressing water tank 9 is injected to main on propeller 2 by connecting tube 10.
In the present invention, the master with propeller 2 and it is secondary with propeller 7 include multi-disc blade 5, in every blade
Multiple through-holes are equipped at blade root.The kuppe 3 is the small rear end of leading portion greatly and carries fairshaped cylindrical cover, reduces by curvature
Change the excessive viscous pressure resistance brought.Main screw is not only acted only on being rotationally advancing the reaction force generated in the process simultaneously
It on main screw, but also acts on kuppe 3, increases reaction result.
In the present invention, on the shell, shell is fixed on hull for the inclined shaft bar 4 installation, it is main with paddle shaft from outer
Shell central shaft passes through.It is the inclined shaft bar 4 drawn on the concentric shell of main axis with slurry 1, and shell is connected with hull, and pair is with driving
Device and the secondary rotation with propeller 7 do not influence main screw.
In the present invention, it is described it is secondary be mounted on 6 at the dog-ear of inclined shaft bar 4 with driving device, 6 at the dog-ear there are one
Special expands space, secondary with driving device for installing, secondary with propeller 7 in order to drive.6 at dog-ear, avoid
It is secondary with driving device be mounted on it is secondary influenced with torque caused by propeller 7, and be the position fastened the most relatively herein,
It advantageously reduces secondary with propeller 7 and secondary with the mutual vibration effect of driving device.
In the present invention, match the 1/4~1/2 of 2 rotating speed of propeller based on the secondary rotating speed with propeller 7, body
Product is simultaneously little.It is smaller to the secondary requirement with driving device because pair is not high with the rotating speed required by propeller 7, so will not
The operating of whole device is influenced because of the vibration of device.Pair matches this rotating speed of propeller 7, convenient for row into kuppe 3
Flow it is maximum；It is optimal to hull propulsive efficiency when pair has angle with propeller 7 under the rotating speed, and the rotating speed
Under, major-minor is minimum with the interference that propeller 7 is formed.
Claims (6)
1. a kind of marine propeller, it is characterised in that：It is oblique on master's axis with slurry to draw three including master's axis with slurry and kuppe
At the inclined shaft bar with dog-ear of array arrangement, kuppe is embedded on inclined shaft bar root, and master is equipped in master's the tip of the axis with slurry
With propeller, master is located at propeller in kuppe, and being equipped with pair in the end of inclined shaft bar matches propeller, and pair is with propeller and pair
It is connected with driving device, pair is mounted on driving device at the dog-ear of inclined shaft bar, and Annular Nozzle is equipped in kuppe, cyclic annular
By the way that in connecting tube and water tank, gravity piston is equipped on water tank, water tank is connect jet pipe with water pump, and gravity piston is oppressed in water tank
Water be injected to by connecting tube it is main on propeller.
2. marine propeller according to claim 1, it is characterised in that：The master matches propeller and pair includes with propeller
Multi-disc blade is equipped with multiple through-holes at the blade root of every blade.
3. marine propeller according to claim 1, it is characterised in that：The kuppe is that the small rear end of leading portion is big and band
There is fairshaped cylindrical cover.
4. marine propeller according to claim 1, it is characterised in that：On the shell, shell is solid for the inclined shaft bar installation
It is scheduled on hull, master passes through with paddle shaft from housing center axis.
5. marine propeller according to claim 1, it is characterised in that：The secondary driving device of matching is mounted on inclined shaft bar
At dog-ear.
6. marine propeller according to claim 1, it is characterised in that：Match spiral based on the secondary rotating speed with propeller
The 1/4~1/2 of paddle rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721326225.1U CN207607627U (en) | 2017-10-16 | 2017-10-16 | A kind of marine propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721326225.1U CN207607627U (en) | 2017-10-16 | 2017-10-16 | A kind of marine propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207607627U true CN207607627U (en) | 2018-07-13 |
Family
ID=62793372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721326225.1U Expired - Fee Related CN207607627U (en) | 2017-10-16 | 2017-10-16 | A kind of marine propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207607627U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867382A (en) * | 2017-10-16 | 2018-04-03 | 重庆交通大学 | A kind of propeller set |
| CN109050849A (en) * | 2018-09-01 | 2018-12-21 | 哈尔滨工程大学 | A kind of empty dual-purpose propeller of integrated water |
-
2017
- 2017-10-16 CN CN201721326225.1U patent/CN207607627U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867382A (en) * | 2017-10-16 | 2018-04-03 | 重庆交通大学 | A kind of propeller set |
| CN109050849A (en) * | 2018-09-01 | 2018-12-21 | 哈尔滨工程大学 | A kind of empty dual-purpose propeller of integrated water |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180713 Termination date: 20181016 |