CN108639289A - A kind of low-loss marine propeller - Google Patents
A kind of low-loss marine propeller Download PDFInfo
- Publication number
- CN108639289A CN108639289A CN201810705662.7A CN201810705662A CN108639289A CN 108639289 A CN108639289 A CN 108639289A CN 201810705662 A CN201810705662 A CN 201810705662A CN 108639289 A CN108639289 A CN 108639289A
- Authority
- CN
- China
- Prior art keywords
- mounting base
- blade
- loss
- low
- slot
- 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.)
- Granted
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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
- 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
- B63H1/20—Hubs; Blade connections
-
- 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
- B63H1/26—Blades
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)
Abstract
The invention discloses a kind of low-loss marine propellers, including the first mounting base and the second mounting base, the middle part of first mounting base and the second mounting base offers the paddle shaft mounting hole for installing paddle shaft, the both sides of first mounting base bottom surface are offered in the cricoid card slot of quadrant, and equidistant surround in the upper surface of first mounting base offers the first screw hole.Low-loss marine propeller, water conservancy diversion is carried out using directing vane at the lagging edge of the first blade and the second blade, can stream field controlled, to reduce energy loss, and due to the rotatable setting of directing vane, directing vane is changed direction with flow, to be combed to flow, greatly reduce the influence of turbulent flow, the present invention can not only eliminate turbulent flow and vacuole, to reduce energy loss and improve propeller service life, while the first blade or the second blade that also facilitate to damaging ring are replaced, and maintenance cost is reduced.
Description
Technical field
The present invention relates to marine propeller technical field, specially a kind of low-loss marine propeller.
Background technology
Propeller refers to being rotated in air or water by blade, converts engine rotation power in the device of propulsive force,
Can there are two or more leaf be connected with hub, leaf for helicoid or is similar to a kind of propulsion peculiar to vessel of helicoid on one side backward
Device.Marine propeller has just played not as the water surface or the most popular puopulsion equipment of submarine navigation device since its appearance
Alternative effect, either navigation unit by water, such as naval vessel, torpedo or submarine navigation device, such as submarine, submariner device etc., it
Propulsion all be unable to do without propeller.The propulsive efficiency of propeller is related with surrounding flow field, and the disorder in flow field will reduce
The propulsive efficiency of propeller, current propeller are mostly extremely simple, it is difficult to improve to disorderly flow field, energy consumption is more tight
Weight, simultaneously as cavitation phenomena, also reduces the service life of marine propeller.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of low-loss marine propeller, solves propeller and pushes away
Low into efficiency, energy consumption is serious, and service life is shorter, problem easy to wear.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of low-loss marine propeller,
Including the first mounting base and the second mounting base, the middle part of the first mounting base and the second mounting base is offered for installing paddle shaft
The both sides of paddle shaft mounting hole, the first mounting base bottom surface are offered in the cricoid card slot of quadrant, first mounting base
Upper surface it is equidistant around offering the first screw hole, the first mounting base front and back is both provided with the second blade.
The side of second blade is provided with guide margin, and the other side of the second blade is provided with lagging edge, and second blade is just
There are side slot at the lagging edge at face and the back side, the inner wall of side slot is provided with male and fomale(M＆F), equidistant in the slot of side to be equipped with directing vane.
The bottom surface of second mounting base is equidistant around opening up there are four the first screw hole, and the two of the second mounting base upper surface
Side is both provided with the cricoid convex block of quadrant, and two convex blocks are clamped with two card slots respectively, four the first screw holes and four
Be bolted respectively between second screw hole, the lateral surface of each convex block is both provided with the first blade, first blade with
The structure of second blade is identical.
Preferably, first screw hole and the second screw hole are counterbore, and the two of which in four the first screw holes distinguishes position
In the middle part of card slot, the two of which of four the second screw holes is located at the middle part of convex block.
Preferably, the male and fomale(M＆F) is waveform curved surface.
Preferably, equidistant in the side slot to offer axis hole, it is mounted on shaft in each axis hole, the two of the shaft
The middle part of equal directing vane is held to connect.
Preferably, the both ends of the axis hole are both provided with end plate, the end there are discoid end slot in each end slot
The upper surface of disk and the middle part of directing vane connect, and middle part and the shaft of end plate bottom surface are welded.
Preferably, the flush of the outer surface of the end plate and side slot, the depth of the thickness and side slot of the directing vane
It is equal.
Preferably, liquid die integrally casting shaping is used between first blade, convex block and the second mounting base, it is described
Liquid die casting and forming is used between second blade and the first mounting base and card slot.
(3) advantageous effect
The present invention has following advantageous effect：Low-loss marine propeller, the first blade and the second blade with
At side using directing vane carry out water conservancy diversion, can stream field controlled, to reduce energy loss, and revolving due to directing vane
Turn setting so that directing vane can change direction with flow, to be combed to flow, greatly reduce the shadow of turbulent flow
It rings；
Side slot is reserved at the lagging edge of the first blade and the second blade, male and fomale(M＆F) is arranged in the medial surface of slot on side, and on side
Directing vane is equidistantly positioned in slot, using directing vane guiding cutting and male and fomale(M＆F) separation it is discrete vacuole can be carried out alleviate or
It eliminates, to reduce the abrasion of the first blade and the second blade surface, since directing vane and male and fomale(M＆F) are located in the slot of side, using side
Slot plays a certain protective role directing vane and male and fomale(M＆F), extends the service life of the first blade and the second blade；
First mounting base and the second mounting base are removably connected, so as in the first mounting base or the second mounting base
On the second blade or the first blade damage when it is replaced so that propeller can long-term sustainable use, shaft two
Sliding setting of the end plate at end in end slot, can make the rotation of directing vane relatively stable.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the upward view of the first mounting base of the invention；
Fig. 3 is the vertical view of the second mounting base of the invention；
Point when Fig. 4 connect for the first mounting base after the present invention the first blade of removal and the second blade with the second mounting base
Xie Tu；
Fig. 5 is the sectional view of the second blade of the invention；
Fig. 6 is the structural schematic diagram of directing vane of the present invention.
In figure：It is 1 first mounting base, 2 first screw holes, 3 first blades, 4 paddle shaft mounting holes, 5 second blades, 6 bolts, 7 convex
Block, 8 second mounting bases, 9 card slots, 10 second screw holes, 11 lagging edges, 12 side slots, 13 end plates, 14 end slots, 15 directing vanes, 16 bumps
Face, 17 guide margins, 18 shafts, 19 axis holes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 6 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of low-loss marine propeller, including the first peace
The middle part of dress seat 1 and the second mounting base 8, the first mounting base 1 and the second mounting base 8 offers the paddle shaft for installing paddle shaft and pacifies
Hole 4 is filled, with reference to figure 4, the both sides of 1 bottom surface of the first mounting base are offered in the cricoid card slot 9 of quadrant, the first mounting base
1 upper surface is equidistant around the first screw hole 2 is offered, and 1 front and back of the first mounting base is both provided with the second blade 5.
Referring to Fig.2, the side of the second blade 5 is provided with guide margin 17, the other side of the second blade 5 is provided with lagging edge 11, should
There are side slot 12 at the lagging edge 11 of second blade, 5 front and back, the inner wall of side slot 12 is provided with male and fomale(M＆F) 16, male and fomale(M＆F) 16
It is equidistant in side slot 12 that directing vane 15 is installed for waveform curved surface.
Refering to Fig. 3, the bottom surface of the second mounting base 8 is equidistant around opening up there are four the first screw hole 2, in the second mounting base 8
The both sides on surface are both provided with the cricoid convex block 7 of quadrant, and two convex blocks 7 are clamped with two card slots 9 respectively, four first
It is connected respectively by bolt 6 between screw hole 2 and four the second screw holes 10, the lateral surface of each convex block 7 is both provided with the first blade
3, the first blade 3 is identical as the structure of the second blade 5.
First screw hole 2 and the second screw hole 10 are counterbore, and the two of which in four the first screw holes 2 is located at card slot 9
Middle part, the two of which of four the second screw holes 10 is located at the middle part of convex block 7, using four bolts 6 to the first mounting base 1
It is equidistant around fixing with the second mounting base 8, it fixes more secured.
It is equidistant in side slot 12 to offer axis hole 19, shaft 18 is mounted in each axis hole 19, the both ends of shaft 18 are equal
It is connect with the middle part of directing vane 15.
The both ends of axis hole 19 are both provided with end plate 13 there are discoid end slot 14 in each end slot 14, end plate 13
Upper surface is connect with the middle part of directing vane 15, and middle part and the shaft 18 of 13 bottom surface of end plate are welded.
The flush of the outer surface and side slot 12 of end plate 13, the deep equality of the thickness and side slot 12 of directing vane 15.
Use liquid die integrally casting shaping between first blade 3, convex block 7 and the second mounting base 8, the second blade 5 with
Liquid die casting and forming is used between first mounting base 1 and card slot 9.
Low-loss marine propeller is carried out at the lagging edge 11 of the first blade 3 and the second blade 5 using directing vane 15
Water conservancy diversion, can stream field controlled, to reduce energy loss, and due to the rotatable setting of directing vane 15 so that be oriented to
Leaf 15 can change direction with flow, to be combed to flow, greatly reduce the influence of turbulent flow.
Side slot 12 is reserved at the lagging edge 11 of the first blade 3 and the second blade 5, male and fomale(M＆F) is arranged in the medial surface of slot 12 on side
16, and directing vane 15 is equidistantly positioned in side slot 12, it is discrete using the guiding cutting and the separation of male and fomale(M＆F) 16 of directing vane 15
Vacuole can be alleviated or be eliminated, to reduce the abrasion of the first blade 3 and 5 surface of the second blade, due to directing vane 15 and recessed
Convex surface 16 is located in side slot 12, is played a certain protective role to directing vane 15 and male and fomale(M＆F) 16 using side slot 12, extends the
The service life of one blade 3 and the second blade 5.
By the first mounting base 1 and the second removably connection of mounting base 8, so as to pacify in the first mounting base 1 or second
Dress seat 8 on the second blade 5 or the first blade 3 damage when it is replaced so that propeller can long-term sustainable use,
Sliding setting of the end plate 13 at 18 both ends of shaft in end slot 14, can make the rotation of directing vane 15 relatively stable.
The present invention can not only eliminate turbulent flow and vacuole, and the longevity is used to reduce energy loss and improve propeller
Life, while the first blade 3 or the second blade 5 that also facilitate to damaging ring are replaced, and maintenance cost is reduced.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment including a series of elements includes not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of low-loss marine propeller, including the first mounting base (1) and the second mounting base (8), the first mounting base (1) and
The middle part of second mounting base (8) offers the paddle shaft mounting hole (4) for installing paddle shaft, it is characterised in that：First mounting base
(1) both sides of bottom surface are offered in the cricoid card slot of quadrant (9), and the upper surface of first mounting base (1) is equidistant
From around the first screw hole (2) is offered, the first mounting base (1) front and back is both provided with the second blade (5)；
The side of second blade (5) is provided with guide margin (17), and the other side of the second blade (5) is provided with lagging edge (11), should
There are side slot (12) at the lagging edge (11) of the second blade (5) front and back, the inner wall of side slot (12) is provided with male and fomale(M＆F)
(16), equidistant in side slot (12) that directing vane (15) is installed；
The bottom surface of second mounting base (8) is equidistant, and around opening up, there are four the first screw hole (2), the second mounting base (8) upper tables
The both sides in face are both provided with the cricoid convex block of quadrant (7), and two convex blocks (7) are clamped with two card slots (9) respectively, four
It is connect respectively by bolt (6) between first screw hole (2) and four the second screw holes (10), the lateral surface of each convex block (7) is all provided with
It is equipped with the first blade (3), first blade (3) is identical as the structure of the second blade (5).
2. a kind of low-loss marine propeller according to claim 1, it is characterised in that：First screw hole (2) and
Second screw hole (10) is counterbore, and the two of which in four the first screw holes (2) is located at the middle part of card slot (9), four
The two of which of two screw holes (10) is located at the middle part of convex block (7).
3. a kind of low-loss marine propeller according to claim 1, it is characterised in that：The male and fomale(M＆F) (16) is wave
Shape wave curved surface.
4. a kind of low-loss marine propeller according to claim 1, it is characterised in that：It is equidistant in the side slot (12)
It leaves and is equipped with axis hole (19), be mounted on shaft (18) in each axis hole (19), the both ends of the shaft (18) are and directing vane
(15) middle part connection.
5. a kind of low-loss marine propeller according to claim 4, it is characterised in that：The both ends of the axis hole (19)
There are discoid end slot (14), be both provided with end plate (13) in each end slot (14), the upper surface of the end plate (13) with
The middle part of directing vane (15) connects, and the middle part and shaft (18) of end plate (13) bottom surface are welded.
6. a kind of low-loss marine propeller according to claim 5, it is characterised in that：The appearance of the end plate (13)
The flush in face and side slot (12), the deep equality of the thickness and side slot (12) of the directing vane (15).
7. a kind of low-loss marine propeller according to claim 1, it is characterised in that：It is first blade (3), convex
Liquid die integrally casting shaping, second blade (5) and the first mounting base are used between block (7) and the second mounting base (8)
(1) and between card slot (9) liquid die casting and forming is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810705662.7A CN108639289B (en) | 2018-07-02 | 2018-07-02 | Low-loss marine propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810705662.7A CN108639289B (en) | 2018-07-02 | 2018-07-02 | Low-loss marine propeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108639289A true CN108639289A (en) | 2018-10-12 |
| CN108639289B CN108639289B (en) | 2019-12-13 |
Family
ID=63750663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810705662.7A Active CN108639289B (en) | 2018-07-02 | 2018-07-02 | Low-loss marine propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108639289B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572971A (en) * | 2019-01-22 | 2019-04-05 | 广州航海学院 | A kind of propeller arrangement for anti-heel |
| CN109569407A (en) * | 2019-01-02 | 2019-04-05 | 安徽得赢新材料科技有限公司 | A kind of waste lithium cell agitating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2589423A1 (en) * | 1985-11-04 | 1987-05-07 | Weldon Thomas | Propeller operating in a liquid medium |
| JPH07323887A (en) * | 1994-05-31 | 1995-12-12 | Mikado Propeller Kk | Marine propeller |
| JP2014169017A (en) * | 2013-03-04 | 2014-09-18 | Mitsubishi Heavy Ind Ltd | Propeller |
| CN105564619A (en) * | 2015-11-27 | 2016-05-11 | 镇江同舟螺旋桨有限公司 | Combined four-blade propeller based on CAPP (computer-aided process planning) system |
| CN105730657A (en) * | 2015-11-24 | 2016-07-06 | 镇江同舟螺旋桨有限公司 | Marine propeller for bulk cargo ship |
| CN208053630U (en) * | 2018-04-20 | 2018-11-06 | 李春 | A kind of gradient pitch multisection type cracks propeller |
-
2018
- 2018-07-02 CN CN201810705662.7A patent/CN108639289B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2589423A1 (en) * | 1985-11-04 | 1987-05-07 | Weldon Thomas | Propeller operating in a liquid medium |
| JPH07323887A (en) * | 1994-05-31 | 1995-12-12 | Mikado Propeller Kk | Marine propeller |
| JP2014169017A (en) * | 2013-03-04 | 2014-09-18 | Mitsubishi Heavy Ind Ltd | Propeller |
| CN105730657A (en) * | 2015-11-24 | 2016-07-06 | 镇江同舟螺旋桨有限公司 | Marine propeller for bulk cargo ship |
| CN105564619A (en) * | 2015-11-27 | 2016-05-11 | 镇江同舟螺旋桨有限公司 | Combined four-blade propeller based on CAPP (computer-aided process planning) system |
| CN208053630U (en) * | 2018-04-20 | 2018-11-06 | 李春 | A kind of gradient pitch multisection type cracks propeller |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569407A (en) * | 2019-01-02 | 2019-04-05 | 安徽得赢新材料科技有限公司 | A kind of waste lithium cell agitating device |
| CN109569407B (en) * | 2019-01-02 | 2021-08-06 | 安徽得赢新材料科技有限公司 | Old and useless lithium cell agitating unit |
| CN109572971A (en) * | 2019-01-22 | 2019-04-05 | 广州航海学院 | A kind of propeller arrangement for anti-heel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108639289B (en) | 2019-12-13 |
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