CN112572741A - Unmanned navigation ware screw under water - Google Patents
Unmanned navigation ware screw under water Download PDFInfo
- Publication number
- CN112572741A CN112572741A CN202011517938.2A CN202011517938A CN112572741A CN 112572741 A CN112572741 A CN 112572741A CN 202011517938 A CN202011517938 A CN 202011517938A CN 112572741 A CN112572741 A CN 112572741A
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- China
- Prior art keywords
- hub
- connecting shaft
- magnetic steel
- propeller
- end cover
- 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.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 185
- 239000010959 steel Substances 0.000 claims abstract description 185
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000004804 winding Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000007123 defense Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/08—Propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/34—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
- B63G2008/002—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned
Abstract
The invention discloses an underwater unmanned aircraft propeller which comprises a propeller hub, blades, a front end cover, a rear end cover, a connecting shaft, propeller hub magnetic steel and connecting shaft magnetic steel; the propeller hub is arranged on the connecting shaft through a front end cover and a rear end cover, the outer peripheral surface of the propeller hub is provided with a plurality of blades, and the inner peripheral surface of the propeller hub is fixedly connected with propeller hub magnetic steel; the connecting shaft is used for connecting an output shaft of the propulsion motor, and the peripheral surface of the connecting shaft is fixedly connected with connecting shaft magnetic steels which are in one-to-one correspondence with the hub magnetic steels; the propeller hub and the connecting shaft are arranged at intervals, and radial gaps are reserved between mutually corresponding propeller hub magnetic steels and connecting shaft magnetic steels; the propeller hub magnetic steel and the connecting shaft magnetic steel are positioned in an annular cavity formed by the propeller hub, the front end cover, the rear end cover and the connecting shaft in a surrounding mode, and the polarity of the propeller hub magnetic steel is the same as that of the connecting shaft magnetic steel. The propeller can avoid the occurrence of accidents of blocking and even burning of the propulsion motor caused by the winding of the fishing net.
Description
Technical Field
The invention relates to the technical field of an underwater unmanned vehicle, in particular to a propeller of the underwater unmanned vehicle.
Background
An Unmanned Underwater Vehicle (UUV) is used as an offshore force multiplier, has wide and important military application, and has irreplaceable effect in future sea operations. With the development of unmanned underwater vehicles and related technologies, unmanned underwater vehicles have been used to perform tasks such as mine sweeping, reconnaissance, information collection, and ocean exploration, and may also be used as equipment such as underwater weapon platforms, logistics support platforms, and the like in future sea warfare, thus having great significance.
China is a large ocean country, fishery resources are rich, sea areas such as the east sea, the south sea, the yellow sea and the like of China are good natural fisheries, a large number of generations of fishermen who salvage marine products live on the coast are provided, and the large number of fishing nets set by the fishermen and discarded in the sea bring great potential safety hazards to the underwater unmanned aircraft. The probability that the underwater unmanned vehicle can continuously execute the preset task after encountering a fishing net is very low, and under the condition that the fishing net does not entangle a propeller, the underwater unmanned vehicle can emerge from the water surface and send a signal to wait for rescue, and the task can be executed again by selecting the aircraft; under the condition that a fishing net twines a propeller running at a high speed, the propulsion motor is instantly locked, the current of the armature winding is rapidly increased, the heat productivity is greatly increased, the risk of insulation failure of the armature winding is rapidly increased, and further the burning accident of the propulsion motor is caused.
Disclosure of Invention
In view of the above, the invention provides a propeller of an underwater unmanned vehicle, which can avoid the occurrence of accidents of blocking of a propulsion motor and even burning due to the winding of a fishing net.
The invention adopts the following specific technical scheme:
an underwater unmanned vehicle propeller comprises a propeller hub, blades, a front end cover, a rear end cover, a connecting shaft, propeller hub magnetic steel and connecting shaft magnetic steel;
the hub is rotatably mounted on the outer peripheral side of the connecting shaft around the connecting shaft through the front end cover and the rear end cover, the outer peripheral surface of the hub is provided with a plurality of blades, and the inner peripheral surface of the hub is fixedly connected with at least one hub magnetic steel; when the inner circumferential surface of the hub is provided with at least two hub magnetic steels, the hub magnetic steels are uniformly distributed along the circumferential direction of the hub;
the connecting shaft is used for connecting an output shaft of the propulsion motor, and the peripheral surface of the connecting shaft is fixedly connected with connecting shaft magnetic steels which correspond to the propeller hub magnetic steels one by one;
the propeller hub and the connecting shaft are arranged at intervals, and radial gaps are reserved between mutually corresponding propeller hub magnetic steel and connecting shaft magnetic steel;
the propeller hub magnetic steel and the connecting shaft magnetic steel are positioned in an annular cavity formed by the propeller hub, the front end cover, the rear end cover and the connecting shaft in a surrounding mode, and the polarity of the propeller hub magnetic steel is the same as that of the connecting shaft magnetic steel.
Furthermore, the hub magnetic steel and the connecting shaft magnetic steel are concentrically arranged.
Furthermore, the polarity of the side, facing the connecting shaft magnetic steel, of the propeller hub magnetic steel is N, and the polarity of the side, facing away from the connecting shaft magnetic steel, of the propeller hub magnetic steel is S.
Furthermore, the polarity of the side, facing the connecting shaft magnetic steel, of the hub magnetic steel is S, and the polarity of the side, facing away from the connecting shaft magnetic steel, of the hub magnetic steel is N.
Still further, the inner peripheral surface of the hub is provided with eight hub magnetic steels.
Further, the connecting shaft is provided with a shaft shoulder;
one side of the shaft shoulder is provided with the front end cover through a rolling bearing, and the other side of the shaft shoulder is provided with the rear end cover through a rolling bearing.
Further, the hub is fixedly mounted to the forward end cap and the aft end cap by fasteners.
Still further, the fastener is a fastening bolt.
Has the advantages that:
the propeller of the underwater unmanned vehicle is fixedly connected with hub magnetic steel on the inner circumferential surface of a propeller hub, connecting shaft magnetic steel which is in one-to-one correspondence with the hub magnetic steel is fixedly connected on the outer circumferential surface of a connecting shaft, the polarity of the hub magnetic steel is the same as that of the connecting shaft magnetic steel, so that the side, facing the connecting shaft magnetic steel, of the hub magnetic steel and the side, facing the hub magnetic steel, of the connecting shaft magnetic steel have different polarities, the hub magnetic steel and the connecting shaft magnetic steel are mutually attracted through magnetic force, the propeller hub and the connecting shaft are connected into a whole through the attraction force between the hub magnetic steel and the connecting shaft magnetic steel; under the condition that the blades are wound by foreign matters such as fishing nets and the like, the blades cannot rotate due to the winding of the foreign matters to cause blockage, the output shaft of the propulsion motor generates instant large torque, and the output shaft can continuously drive the connecting shaft and the connecting shaft magnetic steel to rotate when the instant large torque is larger than the magnetic torque between the rotor hub magnetic steel and the connecting shaft magnetic steel, so that the output shaft of the propulsion motor can continuously rotate, serious accidents such as blockage, burning and the like of the propulsion motor due to the blockage of the blades are avoided, opportunities are created for accident treatment and rescue of the underwater unmanned aircraft, the probability of losing the underwater unmanned aircraft with high manufacturing cost is avoided to a large extent, and the probability of great economic and even national defense loss is also reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of an unmanned underwater vehicle propeller of the present invention;
FIG. 2 is an enlarged partial schematic view of section A of the underwater unmanned aircraft propeller of FIG. 1;
FIG. 3 is a schematic view of a radial section of the propeller of the underwater unmanned aircraft of FIG. 1;
fig. 4 and 5 are schematic diagrams of polarities of a pair of magnetic steels in a propeller of an underwater unmanned vehicle.
Wherein, 1-hub, 2-first fastening bolt, 3-hub magnetic steel, 4-connecting shaft magnetic steel, 5-first rolling bearing, 6-rear end cap, 7-blade, 8-second rolling bearing, 9-connecting shaft, 10-front end cap, 11-second fastening bolt, 3-1-first hub magnetic steel, 3-2-second hub magnetic steel, 3-3-third hub magnetic steel, 3-4-fourth hub magnetic steel, 3-5-fifth hub magnetic steel, 3-6-sixth hub magnetic steel, 3-7-seventh hub magnetic steel, 3-8-eighth hub magnetic steel, 4-1-first connecting shaft magnetic steel, 4-2-second connecting shaft magnetic steel, 4-3-third connecting shaft magnetic steel, 4-4-fourth connecting shaft magnetic steel, 4-5-fifth connecting shaft magnetic steel, 4-6-sixth connecting shaft magnetic steel, 4-7-seventh connecting shaft magnetic steel, 4-8-eighth connecting shaft magnetic steel
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides a propeller of an underwater unmanned vehicle, which is mainly used as a propelling device of the underwater unmanned vehicle such as a submarine ship and the like; as shown in the structures of fig. 1 and 2, the underwater unmanned vehicle propeller comprises a propeller hub 1, blades 7, a front end cover 10, a rear end cover 6, a connecting shaft 9, a propeller hub magnetic steel 3 and a connecting shaft magnetic steel 4;
the propeller hub 1 is rotatably mounted on the outer peripheral side of the connecting shaft 9 around the connecting shaft 9 through a front end cover 10 and a rear end cover 6, a plurality of blades 7 are arranged on the outer peripheral surface of the propeller hub 1, and at least one propeller hub magnetic steel 3 is fixedly connected to the inner peripheral surface; when the inner circumferential surface of the hub 1 is provided with at least two hub magnetic steels 3, the hub magnetic steels 3 are uniformly distributed along the circumferential direction of the hub 1; as shown in the structure of fig. 1, a plurality of blades 7 are fixedly connected to the outer circumferential surface of the hub 1, the blades 7 and the hub 1 may be of an integral structure, and the number of the blades 7 may be 3, 4, 5 or more; as shown in fig. 2 and fig. 3, 8 hub magnetic steels 3 are fixedly connected to the inner circumferential surface of the hub 1, the 8 hub magnetic steels 3 are uniformly distributed along the inner circumferential surface of the hub 1, a circumferential interval is provided between the 8 hub magnetic steels 3, and the 8 hub magnetic steels 3 are respectively: first hub magnetic steel 3-1, second hub magnetic steel 3-2, third hub magnetic steel 3-3, fourth hub magnetic steel 3-4, fifth hub magnetic steel 3-5, sixth hub magnetic steel 3-6, seventh hub magnetic steel 3-7, and eighth hub magnetic steel 3-8; in the present embodiment, only the hub 1 provided with 8 hub magnetic steels 3 is described as an example, but the number of the hub magnetic steels 3 is not limited to 8, and may be other numbers such as 1, 2, 3, 4, 5, 6, 7, 9, and the like; when the hub 1 is only provided with one hub magnetic steel 3, the hub magnetic steel 3 can be of an annular structure; the cross section of the hub magnetic steel 3 is in a sector ring shape; as shown in the structure of fig. 2, the connecting shaft 9 is provided with a shaft shoulder on the outer peripheral surface of the mounting hub 1, and the front end cover 10 and the rear end cover 6 are provided with stepped holes for accommodating rolling bearings; the outer diameter of the shaft shoulder is larger than the aperture of the central hole of the front end cover 10 and the rear end cover 6 and smaller than the aperture of the stepped holes of the front end cover 10 and the rear end cover 6, so that the rolling bearing is limited between the shaft shoulder and the front end cover 10 and the rear end cover 6 in the axial direction of the connecting shaft 9; one side of the shaft shoulder is provided with a front end cover 10 through a second rolling bearing 8, and the other side of the shaft shoulder is provided with a rear end cover 6 through a first rolling bearing 5; the propeller hub 1 is fixedly arranged on the front end cover 10 and the rear end cover 6 through fasteners; the fastening members may be fastening bolts, that is, one end surface of the hub 1 is fixedly mounted on the rear end cover 6 through a plurality of first fastening bolts 2, the other end surface of the hub 1 is fixedly mounted on the front end cover 10 through a plurality of second fastening bolts 11, and the first fastening bolts 2 and the second fastening bolts 11 are uniformly distributed along the circumferential direction of the hub 1; the front end cover 10 and the rear end cover 6 are mounted on the connecting shaft 9 through rolling bearings, so that the front end cover 10 and the rear end cover 6 can smoothly rotate around the connecting shaft 9; meanwhile, as the hub 1 is fixedly arranged on the front end cover 10 and the rear end cover 6, the hub 1 provided with the blades 7 can also freely rotate around the connecting shaft 9;
the connecting shaft 9 is used for connecting an output shaft (not shown in the figure) of the propulsion motor, and the peripheral surface of the connecting shaft is fixedly connected with connecting shaft magnetic steels 4 which are in one-to-one correspondence with the hub magnetic steels 3; in practical use, the connecting shaft 9 and the output shaft of the propulsion motor are fixedly connected through a key (not shown) and a key slot (not shown); as shown in the structures of fig. 2 and 3, 8 connecting shaft magnetic steels 4 corresponding to the 8 hub magnetic steels 3 one by one are fixedly connected to the outer peripheral surface of the connecting shaft 9, the cross-sectional shape of the connecting shaft magnetic steel 4 is also a sector ring, and the 8 connecting shaft magnetic steels 4 are uniformly distributed along the circumferential direction of the connecting shaft 9; the 8 connecting shaft magnetic steels 4 are circumferentially spaced; the 8 connecting shaft magnetic steels 4 are respectively a first connecting shaft magnetic steel 4-1 opposite to the first hub magnetic steel 3-1 along the radial direction of the connecting shaft 9, a second connecting shaft magnetic steel 4-2 opposite to the second hub magnetic steel 3-2, a third connecting shaft magnetic steel 4-3 opposite to the third hub magnetic steel 3-3, a fourth connecting shaft magnetic steel 4-4 opposite to the fourth hub magnetic steel 3-4, a fifth connecting shaft magnetic steel 4-5 opposite to the fifth hub magnetic steel 3-5, a sixth connecting shaft magnetic steel 4-6 opposite to the sixth hub magnetic steel 3-6, a seventh connecting shaft magnetic steel 4-7 opposite to the seventh hub magnetic steel 3-7 and an eighth connecting shaft magnetic steel 4-8 opposite to the eighth hub magnetic steel 3-8; as shown in the structure of fig. 3, a radial gap is formed between the hub magnetic steel 3 and the connecting shaft magnetic steel 4 which are corresponding to each other, and the hub magnetic steel 3 and the connecting shaft magnetic steel 4 are concentrically arranged;
as shown in the configuration of fig. 2 and 3, the hub 1 is spaced from the connecting shaft 9 with a radial spacing between the hub 1 and the connecting shaft 9;
as shown in the structure of fig. 2, the hub magnetic steel 3 and the connecting shaft magnetic steel 4 are located in an annular cavity surrounded by the hub 1, the front end cover 10, the rear end cover 6 and the connecting shaft 9, and the polarity of the hub magnetic steel 3 is the same as that of the connecting shaft magnetic steel 4; in fig. 4 and 5, the polarity of the connecting shaft magnetic steel 4 and the polarity of the hub magnetic steel 3 are explained by taking the first hub magnetic steel 3-1 and the first connecting shaft magnetic steel 4-1 corresponding to each other as examples:
as shown in the structure of fig. 4, along the radial direction of the connecting shaft 9, the polarity of the hub magnetic steel 3 on the side facing the connecting shaft magnetic steel 4 is N, and the polarity of the side facing away from the connecting shaft magnetic steel 4 is S, and correspondingly, the polarity of the connecting shaft magnetic steel 4 on the side facing the hub magnetic steel 3 is S, and the polarity of the side facing away from the hub magnetic steel 3 is N, that is, the polarity of the hub magnetic steel 3 is the same as that of the connecting shaft magnetic steel 4;
as shown in the structure of fig. 5, along the radial direction of the connecting shaft 9, the polarity of the hub magnetic steel 3 on the side facing the connecting shaft magnetic steel 4 is S, and the polarity of the side facing away from the connecting shaft magnetic steel 4 is N, and correspondingly, the polarity of the connecting shaft magnetic steel 4 on the side facing the hub magnetic steel 3 is N, and the polarity of the side facing away from the hub magnetic steel 3 is S, that is, the polarity of the hub magnetic steel 3 is the same as the polarity of the connecting shaft magnetic steel 4;
the propeller of the underwater unmanned vehicle is fixedly connected with a plurality of hub magnetic steels 3 which are uniformly distributed along the circumferential direction on the inner circumferential surface of a hub 1, the outer circumferential surface of a connecting shaft 9 is fixedly connected with connecting shaft magnetic steels 4 which are in one-to-one correspondence with the hub magnetic steels 3, and the polarities of the hub magnetic steels 3 are the same as those of the connecting shaft magnetic steels 4, so that the sides of the hub magnetic steels 3, which face the connecting shaft magnetic steels 4, and the sides of the connecting shaft magnetic steels 4, which face the hub magnetic steels 3 have different polarities, and the hub magnetic steels 3 and the connecting shaft magnetic steels 4 are mutually attracted; under the normal working condition, under the combined action of the hub magnetic steel 3 and the connecting shaft magnetic steel 4, the hub 1 and the connecting shaft 9 synchronously rotate through the suction force between the hub magnetic steel 3 and the connecting shaft magnetic steel 4, namely, the blades 7 are driven by the propulsion motor to synchronously rotate with the output shaft of the propulsion motor and the connecting shaft 9, and power is provided for the underwater unmanned aircraft through the propellers; under the condition that the blades 7 are wound by foreign matters such as fishing nets and the like, the blades 7 of the propeller are blocked and stopped due to the winding of the foreign matters in high-speed operation, the output shaft of the propulsion motor generates instant large torque, and the connection shaft 9 and the connection shaft magnetic steel 4 can be continuously driven to rotate when the instant large torque is larger than the magnetic torque between the hub magnetic steel 3 and the connection shaft magnetic steel 4, so that the output shaft of the propulsion motor can continuously rotate, serious accidents such as the blocking and burning of the propulsion motor due to the blocking and stopping of the blades 7 are avoided, opportunities are created for accident handling and rescue of the underwater unmanned aircraft, the probability that the high-cost underwater unmanned aircraft is lost is avoided to a greater extent, and the probability of great economic and even national defense loss is also reduced.
The propeller of the underwater unmanned vehicle can be additionally provided with a hub cap (not shown in the figure) on the output shaft of the propulsion motor after the output shaft of the propulsion motor is connected with the connecting shaft 9 of the propeller under the condition of necessity so as to further fix the propeller.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The propeller of the underwater unmanned vehicle is characterized by comprising a propeller hub, blades, a front end cover, a rear end cover, a connecting shaft, propeller hub magnetic steel and connecting shaft magnetic steel;
the hub is rotatably mounted on the outer peripheral side of the connecting shaft around the connecting shaft through the front end cover and the rear end cover, the outer peripheral surface of the hub is provided with a plurality of blades, and the inner peripheral surface of the hub is fixedly connected with at least one hub magnetic steel; when the inner circumferential surface of the hub is provided with at least two hub magnetic steels, the hub magnetic steels are uniformly distributed along the circumferential direction of the hub;
the connecting shaft is used for connecting an output shaft of the propulsion motor, and the peripheral surface of the connecting shaft is fixedly connected with connecting shaft magnetic steels which correspond to the propeller hub magnetic steels one by one;
the propeller hub and the connecting shaft are arranged at intervals, and radial gaps are reserved between mutually corresponding propeller hub magnetic steel and connecting shaft magnetic steel;
the propeller hub magnetic steel and the connecting shaft magnetic steel are positioned in an annular cavity formed by the propeller hub, the front end cover, the rear end cover and the connecting shaft in a surrounding mode, and the polarity of the propeller hub magnetic steel is the same as that of the connecting shaft magnetic steel.
2. The underwater unmanned vehicle propeller of claim 1, wherein the hub magnetic steel is concentrically disposed with the connecting shaft magnetic steel.
3. The underwater unmanned vehicle propeller of claim 2, wherein a polarity of the hub magnetic steel on a side facing the connecting shaft magnetic steel is N and a polarity of a side facing away from the connecting shaft magnetic steel is S.
4. The underwater unmanned vehicle propeller of claim 2, wherein a polarity of the hub magnetic steel on a side facing the connecting shaft magnetic steel is S and a polarity of the hub magnetic steel on a side facing away from the connecting shaft magnetic steel is N.
5. The underwater unmanned vehicle propeller of any one of claims 1-4, wherein an inner circumferential surface of the hub is provided with eight hub magnetic steels.
6. The underwater unmanned vehicle propeller of claim 5, wherein the connecting shaft is provided with a shoulder;
one side of the shaft shoulder is provided with the front end cover through a rolling bearing, and the other side of the shaft shoulder is provided with the rear end cover through a rolling bearing.
7. The underwater unmanned vehicle propeller of claim 6, wherein the hub is fixedly mounted to the forward end cap and the aft end cap by fasteners.
8. The underwater unmanned vehicle propeller of claim 7, wherein the fastener is a fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011517938.2A CN112572741A (en) | 2020-12-21 | 2020-12-21 | Unmanned navigation ware screw under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011517938.2A CN112572741A (en) | 2020-12-21 | 2020-12-21 | Unmanned navigation ware screw under water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112572741A true CN112572741A (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011517938.2A Pending CN112572741A (en) | 2020-12-21 | 2020-12-21 | Unmanned navigation ware screw under water |
Country Status (1)
| Country | Link |
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| CN (1) | CN112572741A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416531A (en) * | 2016-01-13 | 2016-03-23 | 浙江大学 | Magnetic-coupling entire sea deep thruster |
| CN205418040U (en) * | 2016-02-23 | 2016-08-03 | 张家港江苏科技大学产业技术研究院 | Advancing device is under water used to boats and ships |
| CN106672186A (en) * | 2017-02-09 | 2017-05-17 | 中国科学院电工研究所 | Full-open type double-body contra-rotating underwater propulsion system |
| CN111532414A (en) * | 2020-05-28 | 2020-08-14 | 山西汾西重工有限责任公司 | Static sealing structure of propeller rotating shaft of underwater vehicle |
| CN211701818U (en) * | 2019-12-03 | 2020-10-16 | 浙江华船海工科技有限公司 | Magnetic coupling motor of integrated paddle |
-
2020
- 2020-12-21 CN CN202011517938.2A patent/CN112572741A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416531A (en) * | 2016-01-13 | 2016-03-23 | 浙江大学 | Magnetic-coupling entire sea deep thruster |
| CN205418040U (en) * | 2016-02-23 | 2016-08-03 | 张家港江苏科技大学产业技术研究院 | Advancing device is under water used to boats and ships |
| CN106672186A (en) * | 2017-02-09 | 2017-05-17 | 中国科学院电工研究所 | Full-open type double-body contra-rotating underwater propulsion system |
| CN211701818U (en) * | 2019-12-03 | 2020-10-16 | 浙江华船海工科技有限公司 | Magnetic coupling motor of integrated paddle |
| CN111532414A (en) * | 2020-05-28 | 2020-08-14 | 山西汾西重工有限责任公司 | Static sealing structure of propeller rotating shaft of underwater vehicle |
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