CN216546645U - Bionic underwater propulsion device - Google Patents
Bionic underwater propulsion device Download PDFInfo
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- CN216546645U CN216546645U CN202122803489.4U CN202122803489U CN216546645U CN 216546645 U CN216546645 U CN 216546645U CN 202122803489 U CN202122803489 U CN 202122803489U CN 216546645 U CN216546645 U CN 216546645U
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Abstract
The utility model relates to a bionic underwater propulsion device, which comprises a bionic shell, a rotary swing rod, a linear driving element, a rotary driving element and a bionic tail fin, wherein the bionic shell is provided with a first end and a second end; the rotary oscillating bar is rotatably connected in the bionic shell; the linear driving element is hinged and installed in the bionic shell, and the output end of the linear driving element is connected with one end of the rotary oscillating bar so as to push the rotary oscillating bar to rotate; the rotary driving element is arranged at the other end of the rotary swing rod; the bionic tail fin is in transmission connection with the output end of the rotary driving element. The bionic underwater propulsion device increases the rotation torque, improves the swing propulsion efficiency, solves the maneuverability problem under various environmental restrictions during underwater operation, and has the advantages of low noise, low useless energy loss and high cruising ability during the swing of the bionic tail fin. The utility model is applied to the technical field of underwater robots.
Description
Technical Field
The utility model relates to the technical field of underwater robots, in particular to a bionic underwater propulsion device.
Background
With the implementation of the strategy of ocean forcing as an important direction in China. The application of marine equipment, particularly underwater bionic unmanned equipment technology, is highly valued. The fish has extraordinary underwater motion capability, and the swimming of the fish has the advantages of high propelling efficiency, strong maneuverability, good concealment, small influence on the surrounding environment and the like.
Partial animals in the sea such as dolphins, whales and the like adopt a tail fin propulsion mode, the propulsion mechanism is arranged at the rear 1/3 part of the movement of fishes, large direction-finding displacement is mainly generated at the rear neck and the tail, and more than 90% of propulsion force can be generated by the combined movement of swinging and translation of the tail fin.
At present, an underwater unmanned platform propelled by a propeller generates lateral eddy, increases the consumption of useless energy, and has low propelling efficiency, high noise and poor cruising ability.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem to be solved
The embodiment of the utility model provides a bionic underwater propulsion device, which aims to solve the technical problems of high useless power consumption, low propulsion efficiency, high noise and poor cruising ability of the existing propeller.
(2) Technical scheme
In order to solve the above technical problem, an embodiment of the present invention provides a bionic underwater propulsion device, including:
a bionic shell;
the rotary oscillating bar is rotatably connected in the bionic shell;
the linear driving element is hinged and installed in the bionic shell, and the output end of the linear driving element is connected with one end of the rotary swing rod so as to push the rotary swing rod to rotate;
the rotary driving element is arranged at the other end of the rotary swing rod;
the bionic tail fin is in transmission connection with the output end of the rotary driving element.
Optionally, the bionic underwater propulsion device further comprises a rotating shaft, the rotating shaft is arranged in the bionic shell, and the rotating swing rod is rotatably arranged on the rotating shaft.
Optionally, the rotating shaft is sleeved with two bearings, and the rotating swing rod is rotatably arranged on the rotating shaft through the two bearings.
Optionally, still be equipped with fixed lid and retaining member on the rotation axis, rotatory pendulum rod is located bionic shell with between the fixed lid, fixed lid passes through the retaining member is fixed on the rotation axis.
Optionally, the bionic underwater propulsion device further comprises a push rod and a first connecting plate, the push rod is mounted at the output end of the linear driving element, the first connecting plate is provided with at least two connecting holes, the first connecting plate is adjustably connected with one end of the rotary swing rod through different connecting holes, and the push rod is connected with the first connecting plate.
Optionally, the bionic underwater propulsion device further comprises an end cover, a second connecting plate and a bolt, the second connecting plate is connected with the bionic tail fin, the end cover is provided with a bolt hole, and the bolt hole in the end cover is connected with the rotary driving element through the bolt.
Optionally, the bolt hole and the bolt are respectively in a cross shape correspondingly matched with each other.
Optionally, the pushing stroke of the linear driving element is 8mm to 80 mm.
(3) Advantageous effects
In summary, compared with the prior art, in the bionic underwater propulsion device, the linear driving element pushes the rotary swing rod to rotate, so that the rotary driving element is driven to rotate, and the rotary driving element can also drive the bionic tail fin to rotate, so that the bionic tail fin has two rotational degrees of freedom. The bionic tail fin has the advantages that the two-degree-of-freedom swinging function is met, the rotating torque is increased, the swinging propelling efficiency is improved, the maneuverability problem under various environment constraints during underwater operation is solved, the noise is low during the swinging of the bionic tail fin, the useless energy loss is low, and the cruising ability is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a biomimetic underwater propulsion device in one embodiment of the present disclosure;
FIG. 2 is a schematic side view of a bionic skeg of the bionic underwater propulsion device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a bionic skeg of the bionic underwater propulsion device in a middle position according to an embodiment of the utility model;
fig. 4 is a schematic structural diagram of the bionic skeg swinging towards the other side in the bionic underwater propulsion device in one embodiment of the utility model.
In the figure:
1. a second connecting plate; 2. an end cap; 3. a rotating shaft; 4. a locking member; 5. a bionic shell; 6. a linear drive element; 7. hinging a shaft; 8. a first connecting plate; 9. a push rod; 10. rotating the swing rod; 11. a fixed cover; 12. a bolt; 13. a rotary drive element; 14. a mounting seat; 15. bionic tail fins.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the utility model and are not intended to limit the scope of the utility model, i.e., the utility model is not limited to the embodiments described, but covers any modifications, alterations, and improvements in the parts, components, and connections without departing from the spirit of the utility model.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 4, a bionic underwater propulsion device includes:
a bionic shell 5;
the rotary oscillating bar 10 is rotatably connected in the bionic shell 5;
the linear driving element 6 is hinged and installed in the bionic shell 5, and the output end of the linear driving element 6 is connected with one end of the rotary oscillating rod 10 so as to push the rotary oscillating rod 10 to rotate;
a rotary driving element 13, wherein the rotary driving element 13 is installed at the other end of the rotary swing rod 10;
the bionic tail fin 15 is in transmission connection with the output end of the rotary driving element 13, and the bionic tail fin 15 is in transmission connection with the output end of the rotary driving element 13.
In the bionic underwater propulsion device of the embodiment, the linear driving element 6 pushes the rotary swing rod 10 to rotate, so as to drive the rotary driving element 13 to rotate, and the rotary driving element 13 can also drive the bionic tail fin 15 to rotate, so that the bionic tail fin 15 has two rotational degrees of freedom. The bionic tail fin 15 has the advantages that the two-degree-of-freedom swinging function is met, the rotating torque is increased, the swinging propelling efficiency is improved, the maneuverability problem under various environment constraints during underwater operation is solved, the noise is low during swinging of the bionic tail fin 15, the useless energy loss is low, and the cruising ability is high. Specifically, the linear driving element 6 is hinged and installed in the bionic shell 5 through a hinge shaft 6, and the linear driving element 6 is a linear motor. The rotary drive element 13 is a motor.
In an embodiment, the bionic underwater propulsion device further comprises a rotating shaft 3, the rotating shaft 3 is arranged in the bionic shell 5, and the rotating swing rod 10 is rotatably arranged on the rotating shaft 3. Specifically, the middle part of the rotary swing rod 10 is provided with a rotating hole, and the rotary swing rod 10 is rotatably arranged on the rotating shaft 3 through the rotating hole, so that the rotary swing rod 10 can stably rotate and cannot fall off.
In an embodiment, two bearings are sleeved on the rotating shaft 3, and the rotating swing rod 10 is rotatably disposed on the rotating shaft 3 through the two bearings. Specifically, the rotating shaft 3 is arranged in the vertical direction during operation, the two bearings are symmetrically distributed on two sides of the rotating swing rod 10, the rotating swing rod 10 cannot be limited in rotation, the rotation is flexible, the stress is balanced, and the rotating swing rod 10 can realize efficient and stable torque transmission.
In an embodiment, a fixed cover 11 and a locking member 4 are further disposed on the rotating shaft 3, the rotating swing rod 10 is located between the bionic shell 5 and the fixed cover 11, and the fixed cover 11 is fixed on the rotating shaft 3 through the locking member 4. The bearing is pressed and fixed through the fixed cover 11, the locking piece 4 is a nut, and the fixed cover 11 is fixed on the rotating shaft 3 through the locking piece 4.
In one embodiment, the bionic underwater propulsion device further comprises a push rod 9 and a first connecting plate 8, the push rod 9 is installed at the output end of the linear driving element 6, the first connecting plate 8 is provided with at least two connecting holes, the first connecting plate 8 is adjustably connected with one end of the rotary swing rod 10 through different connecting holes, and the push rod 9 is connected with the first connecting plate 8. The rotary swing link 10 can be connected to different hole sites of the first connecting plate 8 according to design or requirements, so that the rotary swing link 10 can be adjusted.
In one embodiment, the bionic underwater propulsion device further comprises an end cover 2, a first connecting plate 8 and a bolt 12, the second connecting plate 1 is connected with the bionic tail fin 15, a bolt hole is formed in the end cover 2, and the bolt hole in the end cover 2 is connected with a rotary driving element 13 through the bolt 12. The bionic tail fin 15 is installed on the second connecting plate 1 through the installation seat 14. The bionic tail fin 15 is designed based on the shape of a fin of a nylon material, and the efficient propelling and swinging function based on a bionic structure is realized.
In an embodiment, the bolt hole and the bolt 12 are respectively in a cross shape which is correspondingly matched, and the cross-shaped bolt 12 is matched with the bolt hole, so that the connection between the end cover 2 and the rotary driving element 13 is firmer, and the rotary driving element 13 can realize torque output more stably.
In one embodiment, the pushing stroke of the linear driving element 6 is 8 mm-80 mm, the pushing stroke of the push rod 9 is also 8 mm-80 mm, and the push rod 9 transmits the torque to the rotary swing rod 5 in the stroke.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the utility model, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A biomimetic underwater propulsion device, comprising:
a bionic shell;
the rotary oscillating bar is rotatably connected in the bionic shell;
the linear driving element is hinged and installed in the bionic shell, and the output end of the linear driving element is connected with one end of the rotary swing rod so as to push the rotary swing rod to rotate;
the rotary driving element is arranged at the other end of the rotary swing rod;
the bionic tail fin is in transmission connection with the output end of the rotary driving element.
2. The biomimetic underwater propulsion device of claim 1, further comprising a rotating shaft disposed within the biomimetic housing, the rotating swing link being rotatably disposed on the rotating shaft.
3. A bionic underwater propulsion device as claimed in claim 2 wherein the rotary shaft is sleeved with two bearings, and the rotary oscillating bar is rotatably arranged on the rotary shaft through the two bearings.
4. The bionic underwater propelling device of claim 2, wherein a fixed cover and a locking member are further arranged on the rotating shaft, the rotating swing rod is located between the bionic shell and the fixed cover, and the fixed cover is fixed on the rotating shaft through the locking member.
5. A biomimetic underwater propulsion device according to any one of claims 1 to 4, further comprising a push rod and a first connecting plate, wherein the push rod is mounted at an output end of the linear drive element, the first connecting plate is provided with at least two connecting holes, the first connecting plate is adjustably connected with one end of the rotary swing link through different connecting holes, and the push rod is connected with the first connecting plate.
6. The biomimetic underwater propulsion device of any one of claims 1 to 4, further comprising an end cap, a second connecting plate, and a latch, wherein the second connecting plate is connected to the biomimetic tail fin, the end cap is provided with a latch hole, and the latch hole in the end cap is connected to a rotary driving element through the latch.
7. A biomimetic underwater propulsion device as in claim 6 wherein the pin holes and pins are each correspondingly mating cruciform.
8. A biomimetic underwater propulsion device according to any of claims 1-4, wherein the linear drive element has a propulsion stroke in the range of 8mm to 80 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122803489.4U CN216546645U (en) | 2021-11-16 | 2021-11-16 | Bionic underwater propulsion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122803489.4U CN216546645U (en) | 2021-11-16 | 2021-11-16 | Bionic underwater propulsion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216546645U true CN216546645U (en) | 2022-05-17 |
Family
ID=81574203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122803489.4U Active CN216546645U (en) | 2021-11-16 | 2021-11-16 | Bionic underwater propulsion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216546645U (en) |
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2021
- 2021-11-16 CN CN202122803489.4U patent/CN216546645U/en active Active
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