CN111976936B - A kind of high-efficiency propeller for ships and production process - Google Patents
A kind of high-efficiency propeller for ships and production process Download PDFInfo
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- CN111976936B CN111976936B CN202010828785.7A CN202010828785A CN111976936B CN 111976936 B CN111976936 B CN 111976936B CN 202010828785 A CN202010828785 A CN 202010828785A CN 111976936 B CN111976936 B CN 111976936B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 50
- 230000002787 reinforcement Effects 0.000 claims description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- -1 ether ether ketone Chemical class 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 238000005242 forging Methods 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000004695 Polyether sulfone Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 229920006393 polyether sulfone Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 239000011111 cardboard Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/64—Joining a non-plastics element to a plastics element, e.g. by force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
本发明提供一种用于轮船的高效螺旋桨及生产工艺，所述固定座的外侧表面固定连接有第一桨叶，所述第一桨叶的下方设置有第二桨叶，且第一桨叶和第二桨叶的内部均开设有空腔，所述第一桨叶的中间位置处开设有安装孔，且第一桨叶和第二桨叶的两侧连接处均设置有碰撞组件，所述第一桨叶的下表面固定连接有第一加强组件，所述第二桨叶的上表面固定连接有第二加强组件。通过设置有第一加强组件和第二加强组件，可以增加桨叶的结构强度，减轻了桨叶的重量，通过设置有碰撞组件，在桨叶受到碰撞时，加强挡板可以对其进行保护，避免其受到损坏，密封垫可以增加第一桨叶和第二桨叶连接处的密封性，避免外界的水流和杂质进入空腔内部。
The invention provides a high-efficiency propeller for ships and a production process, wherein a first propeller is fixedly connected to the outer surface of the fixed seat, a second propeller is arranged below the first propeller, and the first propeller is A cavity is provided in the interior of the first paddle and the second paddle, a mounting hole is provided at the middle position of the first paddle, and a collision component is provided at the connection between the two sides of the first paddle and the second paddle, so A first reinforcing component is fixedly connected to the lower surface of the first paddle, and a second reinforcing component is fixedly connected to the upper surface of the second paddle. By providing the first reinforcing component and the second reinforcing component, the structural strength of the blade can be increased, and the weight of the blade can be reduced. By providing the collision component, the reinforcing baffle can protect the blade when it is collided. To avoid damage, the gasket can increase the tightness of the connection between the first paddle and the second paddle, and prevent external water flow and impurities from entering the cavity.
Description
Technical Field
The invention belongs to the technical field of ship propellers, and particularly relates to a high-efficiency propeller for a ship and a production process.
Background
The ship is widely applied in life, the ship can be propelled in two modes, one mode is that the ship is originally propelled by a wood wheel which is treaded by manpower, the other mode is that the ship is propelled by a propeller, the ship propeller is a device which rotates in water by virtue of blades and converts the rotating power of an engine into propelling force, the structural strength required by the ship propeller is high, and the ship propeller is generally forged by stainless steel.
However, the existing ship propeller still has some disadvantages, for example, the existing ship propeller is generally of a solid structure, the whole weight is high, the rotating efficiency is influenced, meanwhile, the single propeller can only be integrally replaced when damaged, the maintenance time and the cost are too high, and the edge of the existing ship propeller is easy to collide, so that the damage probability is high.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a ship propeller is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-efficiency propeller for a ship and a production process, which are achieved by the following specific technical means:
the utility model provides a high-efficient screw and production technology for steamer, includes the fixing base, the outside fixed surface of fixing base is connected with first paddle, the below of first paddle is provided with the second paddle, and the inside of first paddle and second paddle has all seted up the cavity, the mounting hole has been seted up to the intermediate position department of first paddle, and the both sides junction of first paddle and second paddle all is provided with collision component, the first enhancement subassembly of lower fixed surface of first paddle is connected with, the internally mounted of mounting hole has fixing bolt, the subassembly is strengthened to the last fixed surface of second paddle is connected with the second.
Further, first enhancement subassembly includes first bracing piece, first support frame, head rod and connecting slot, the equal fixedly connected with first bracing piece in both sides of first support frame, the last fixed surface of first bracing piece is connected with the head rod, and connecting slot has been seted up to the lower surface of first bracing piece.
Further, the subassembly is strengthened to the second includes that the second connects fixture block, second connecting rod, second support frame, coupling spring and second bracing piece, the equal fixedly connected with second bracing piece in both sides of second support frame, the lower fixed surface of second bracing piece is connected with the second connecting rod, and the last fixed surface of second support frame is connected with the second and connects the fixture block, the last fixed surface of second connection fixture block is connected with coupling spring.
Further, the collision subassembly includes buffer beam, buffer spring, sealed pad, reinforcing baffle, anchor strut and connects the cardboard, reinforcing baffle's inboard fixed surface is connected with the anchor strut, and the inboard surface of reinforcing baffle is located the equal fixedly connected with buffer strut of the upper and lower position department of anchor strut, the inboard terminal fixedly connected with of anchor strut connects the cardboard, and the surface of anchor strut is provided with sealed the pad, the inboard fixed surface of buffer strut is connected with buffer spring.
Furthermore, the first paddle and the second paddle are both carbon fiber members, and the mounting hole is formed in the middle of the upper surface of the first paddle.
Furthermore, the first support rod and the first support frame are both members made of aluminum alloy materials, and the fixing bolt is installed inside the installation hole in the middle of the first support frame.
Furthermore, the second connecting clamping block is embedded in the connecting clamping groove, and the connecting spring is attached to the lower surface of the first supporting rod.
Further, strengthen the baffle and be stainless steel's component, and strengthen the inboard buffer beam of baffle and imbed respectively and install the inside at first paddle and second paddle, protect it when the paddle receives the collision, avoid damaging.
According to the efficient propeller for the ship, the production process of the efficient propeller for the ship comprises the following steps:
s1, melting and pouring aluminum alloy, naturally cooling to about 400 ℃, and forging into a prefabricated part by a forging machine;
s2, sequentially manufacturing the prefabricated part obtained in the S into a first reinforcing component and a second reinforcing component by using a lathe to machine through holes;
s3, adding ether ketone resin, polyether sulfone resin and polytetrafluoroethylene into the glass fibers and the carbon fibers, uniformly mixing, then placing into an injection molding machine for heating and plasticizing, finally cooling and forming, and removing burrs to obtain a first blade and a second blade;
s4, mounting the first reinforcing component and the second reinforcing component inside the first blade and the second blade respectively, and embedding the second connecting clamping block inside the connecting clamping groove;
s5, mounting the collision assemblies on the two side surfaces of the first blade and the second blade, and then penetrating the mounting holes by using fixing bolts so as to fix the first blade, the first support frame and finish assembly;
compared with the prior art, the invention has the following beneficial effects:
1. this high-efficient screw for ship: fill first paddle and second paddle both sides junction through being provided with sealed the pad, increase its leakproofness, avoid external rivers and impurity to get into inside and cause the damage, simultaneously the buffer spring and the enhancement baffle on first paddle and second paddle both sides surface can protect first paddle and second paddle when receiving the collision, the inside of first paddle and second paddle is hollow structure, first enhancement subassembly and second are strengthened the subassembly and are installed in the cavity of the inside of first paddle and second paddle, can increase the structural strength of first paddle and second paddle, the impact between first paddle and the second paddle can be cushioned to second connection fixture block and coupling spring.
2. This high-efficient screw for ship: the first reinforcing component and the second reinforcing component are arranged, so that the structural strength of the paddle can be increased, meanwhile, the paddle is of a hollow structure, the weight of the paddle is reduced, the efficiency of the paddle is increased, the first paddle and the second paddle are convenient to detach and install, when a single face of a single paddle is damaged, the single paddle can be replaced, and the maintenance time and the maintenance cost are saved.
3. This high-efficient spiral for ship: through being provided with collision subassembly, can increase the intensity at blade edge, when the paddle received the collision, the reinforcing baffle can be protected it, avoids it to receive the damage, and the sealed pad of consolidating the pole surface can increase the leakproofness of first paddle and second paddle junction moreover, avoids inside external rivers and the impurity entering cavity.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top cross-sectional view of a first blade of the present invention;
FIG. 3 is a side cross-sectional view of the first and second blade configurations of the present invention;
fig. 4 is an enlarged view of the crash assembly of the present invention.
In the figure: 1. a fixed seat; 2. a first blade; 3. mounting holes; 4. a cavity; 5. fixing the bolt; 6. a second blade; 7. a first reinforcement assembly; 701. a first support bar; 702. a first support frame; 703. a first connecting rod; 704. a connecting clamping groove; 8. a second reinforcement member; 801. a second connecting fixture block; 802. a second connecting rod; 803. a second support frame; 804. a connecting spring; 805. a second support bar; 9. a crash assembly; 901. a buffer rod; 902. a buffer spring; 903. a gasket; 904. reinforcing the baffle plate; 905. a reinforcing rod; 906. the card board is connected.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in figures 1 to 4:
the invention provides a high-efficiency propeller for a ship and a production process, the high-efficiency propeller comprises a fixed seat 1, the outer side surface of the fixed seat 1 is fixedly connected with a first blade 2, a second blade 6 is arranged below the first blade 2, cavities 4 are respectively arranged inside the first blade 2 and the second blade 6, a mounting hole 3 is arranged at the middle position of the first blade 2, collision components 9 are respectively arranged at the joints of the two sides of the first blade 2 and the second blade 6, a first reinforcing component 7 is fixedly connected to the lower surface of the first blade 2, a fixing bolt 5 is arranged inside the mounting hole 3, a second reinforcing component 8 is fixedly connected to the upper surface of the second blade 6, the first blade 2 and the second blade 6 are both made of carbon fiber materials, the mounting hole 3 is arranged at the middle position of the upper surface of the first blade 2,
the lower surface of the first blade 2 is fixedly connected with a first reinforcing component 7, the first reinforcing component 7 comprises a first supporting rod 701, a first supporting frame 702, a first connecting rod 703 and a connecting clamping groove 704, the first supporting rod 701 is fixedly connected to two sides of the first supporting frame 702, the first connecting rod 703 is fixedly connected to the upper surface of the first supporting rod 701, the connecting clamping groove 704 is formed in the lower surface of the first supporting rod 701, the first supporting rod 701 and the first supporting frame 702 are both made of aluminum alloy, and the fixing bolt 5 is installed inside the mounting hole 3 in the middle of the first supporting frame 702.
Wherein, the upper surface of the second blade 6 is fixedly connected with a second reinforcing component 8, the second reinforcing component 8 comprises a second connecting clamping block 801, a second connecting rod 802, a second supporting frame 803, a connecting spring 804 and a second supporting rod 805, both sides of the second supporting frame 803 are fixedly connected with the second supporting rod 805, the lower surface of the second supporting rod 805 is fixedly connected with the second connecting rod 802, the upper surface of the second supporting frame 803 is fixedly connected with the second connecting clamping block 801, the upper surface of the second connecting clamping block 801 is fixedly connected with the connecting spring 804, the second connecting clamping block 801 is embedded and installed in the connecting clamping groove 704, the connecting spring 804 is attached to the lower surface of the first supporting rod 701, the structural strength of the blade can be increased by arranging the first reinforcing component 7 and the second reinforcing component 8, meanwhile, the interior of the blade is of a hollow structure, the weight of the blade is reduced, and the efficiency of the blade is increased, first paddle 2 and 6 convenient to detach installations of second paddle, when the single face of single paddle damaged, can change it, practiced thrift maintenance duration and cost of maintenance.
Wherein, the joints of the two sides of the first blade 2 and the second blade 6 are both provided with an impact component 9, the impact component 9 comprises a buffer rod 901, a buffer spring 902, a sealing gasket 903, a reinforcing baffle 904, a reinforcing rod 905 and a connecting clamping plate 906, the inner side surface of the reinforcing baffle 904 is fixedly connected with the reinforcing rod 905, the inner side surface of the reinforcing baffle 904 is fixedly connected with a buffer rod 901 at the upper and lower positions of the reinforcing rod 905, the inner end of the reinforcing rod 905 is fixedly connected with the connecting clamping plate 906, the surface of the reinforcing rod 905 is provided with a sealing gasket 903, the inner side surface of the buffer rod 901 is fixedly connected with the buffer spring 902, the reinforcing baffle 904 is a stainless steel member, the buffer rod 901 at the inner side of the reinforcing baffle 904 is respectively embedded and installed inside the first blade 2 and the second blade 6, the sealing gasket 903 is a rubber member, and the sealing gasket 903 is filled in the gap between the first blade 2 and the second blade 6, through being provided with collision subassembly 9, can increase the intensity at blade edge, when the paddle received the collision, reinforced baffle 904 can be protected it, avoids it to receive the damage, and the sealed pad 903 on stiffener 905 surface can increase the leakproofness of first paddle 2 and the 6 junctions of second paddle moreover, avoids inside external rivers and the entering cavity of impurity.
According to the efficient propeller for the ship, the production process of the efficient propeller for the ship comprises the following steps:
s1, melting and pouring aluminum alloy, naturally cooling to about 400 ℃, and forging into a prefabricated part by a forging machine;
s2, machining the prefabricated part obtained in S1 into a first reinforcing component 7 and a second reinforcing component 8 in sequence by using a lathe to machine through holes;
s3, adding ether ketone resin, polyether sulfone resin and polytetrafluoroethylene into the glass fibers and the carbon fibers, uniformly mixing, then putting into an injection molding machine for heating and plasticizing, and finally cooling and forming to remove burrs so as to obtain a first blade 2 and a second blade 6;
s4, installing the first reinforcing component 7 and the second reinforcing component 8 inside the first blade 2 and the second blade 6, respectively, and embedding the second connection fixture block 801 inside the connection fixture slot 704;
s5, mounting the collision assembly 9 on the two side surfaces of the first blade 2 and the second blade 6, and then using the fixing bolt 5 to pass through the mounting hole 3, thereby fixing the first blade 2, the first support frame 702 and the first support frame 702, completing the assembly.
The sealing gaskets 903 on the surfaces of the reinforcing rods 905 are filled at the joints of the two sides of the first blade 2 and the second blade 6 to improve the sealing performance of the first blade 2 and the second blade 6, so that external water flow and impurities are prevented from entering the inner part to cause damage, meanwhile, the buffer springs 902 and the reinforcing baffles 904 on the surfaces of the two sides of the first blade 2 and the second blade 6 can protect the first blade 2 and the second blade 6 when the blades are collided, the strength of the edge of the blades can be improved by arranging the collision assembly 9, the reinforcing baffles 904 can protect the blades from being damaged when the blades are collided, the sealing gaskets 903 on the surfaces of the reinforcing rods 905 can improve the sealing performance of the joints of the first blade 2 and the second blade 6 so as to prevent external water flow and impurities from entering the inner part of the cavity, the inner parts of the first blade 2 and the second blade 6 are of a hollow structure, the first reinforcing assembly 7 and the second reinforcing assembly 8 are arranged in the cavity 4 in the inner parts of the first blade 2, can increase the structural strength of first paddle 2 and second paddle 6, fixture block 801 and connecting spring 804 are connected to the second can cushion the impact between first paddle 2 and the second paddle 6, strengthen subassembly 8 through being provided with first enhancement subassembly 7 and second, can increase the structural strength of paddle, the inside hollow structure that is of paddle simultaneously, the weight of paddle has been alleviateed, the efficiency of paddle has been increased, first paddle 2 and second paddle 6 convenient to detach installation, when the single face of single paddle damages, can change it, maintenance duration and cost of maintenance have been practiced thrift.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010828785.7A CN111976936B (en) | 2020-08-18 | 2020-08-18 | A kind of high-efficiency propeller for ships and production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010828785.7A CN111976936B (en) | 2020-08-18 | 2020-08-18 | A kind of high-efficiency propeller for ships and production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111976936A CN111976936A (en) | 2020-11-24 |
| CN111976936B true CN111976936B (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010828785.7A Active CN111976936B (en) | 2020-08-18 | 2020-08-18 | A kind of high-efficiency propeller for ships and production process |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2218473A (en) * | 1988-05-10 | 1989-11-15 | Mtu Muenchen Gmbh | Composite propeller blade |
| CN2056413U (en) * | 1989-06-08 | 1990-04-25 | 田自东 | Hollow ship's propeller |
| CN101864993A (en) * | 2009-02-27 | 2010-10-20 | 通用电气公司 | Internally damped airfoil and method thereof |
| CN103723260A (en) * | 2014-01-02 | 2014-04-16 | 周宗伟 | Marine propeller |
| KR20150064585A (en) * | 2013-12-03 | 2015-06-11 | 현대중공업 주식회사 | Vane Wheel for Ship and Ship having the same for substrate |
| CN104787282A (en) * | 2015-04-03 | 2015-07-22 | 郑伟 | Propeller with metal leading edge and manufacturing technology |
| KR20170056205A (en) * | 2015-11-13 | 2017-05-23 | 알라딘기술 주식회사 | Light weight propeller for ship and manufacturing method of this propeller |
| CN207631455U (en) * | 2017-11-01 | 2018-07-20 | 青岛亿兆源船舶配件有限公司 | A kind of propeller of underwater robot |
| CN108657417A (en) * | 2018-05-21 | 2018-10-16 | 魏浩峰 | A kind of unmanned plane propeller and its production technology |
| CN208102296U (en) * | 2018-03-16 | 2018-11-16 | 沅江东方红船舶有限公司 | A kind of propeller for vessels |
-
2020
- 2020-08-18 CN CN202010828785.7A patent/CN111976936B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2218473A (en) * | 1988-05-10 | 1989-11-15 | Mtu Muenchen Gmbh | Composite propeller blade |
| CN2056413U (en) * | 1989-06-08 | 1990-04-25 | 田自东 | Hollow ship's propeller |
| CN101864993A (en) * | 2009-02-27 | 2010-10-20 | 通用电气公司 | Internally damped airfoil and method thereof |
| KR20150064585A (en) * | 2013-12-03 | 2015-06-11 | 현대중공업 주식회사 | Vane Wheel for Ship and Ship having the same for substrate |
| CN103723260A (en) * | 2014-01-02 | 2014-04-16 | 周宗伟 | Marine propeller |
| CN104787282A (en) * | 2015-04-03 | 2015-07-22 | 郑伟 | Propeller with metal leading edge and manufacturing technology |
| KR20170056205A (en) * | 2015-11-13 | 2017-05-23 | 알라딘기술 주식회사 | Light weight propeller for ship and manufacturing method of this propeller |
| CN207631455U (en) * | 2017-11-01 | 2018-07-20 | 青岛亿兆源船舶配件有限公司 | A kind of propeller of underwater robot |
| CN208102296U (en) * | 2018-03-16 | 2018-11-16 | 沅江东方红船舶有限公司 | A kind of propeller for vessels |
| CN108657417A (en) * | 2018-05-21 | 2018-10-16 | 魏浩峰 | A kind of unmanned plane propeller and its production technology |
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| Publication number | Publication date |
|---|---|
| CN111976936A (en) | 2020-11-24 |
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Address after: 243000 northwest corner of the intersection of suoku road and xiaodiantang Road, Xiangshan Town, Yushan District, Ma'anshan City, Anhui Province Patentee after: Anhui Zhiheng Intelligent Equipment Manufacturing Co.,Ltd. Country or region after: China Address before: 243000 northwest corner of the intersection of suoku road and xiaodiantang Road, Xiangshan Town, Yushan District, Ma'anshan City, Anhui Province Patentee before: Anhui Zhiheng Intelligent Equipment Manufacturing Co.,Ltd. Country or region before: China |
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Denomination of invention: An efficient propeller and production process for ships Granted publication date: 20210716 Pledgee: China Postal Savings Bank Co.,Ltd. Ma'anshan Branch Pledgor: Anhui Zhiheng Intelligent Equipment Manufacturing Co.,Ltd. Registration number: Y2024980045964 |