CN107089314A - A kind of Novel bionic fishtail propulsion plant - Google Patents
A kind of Novel bionic fishtail propulsion plant Download PDFInfo
- Publication number
- CN107089314A CN107089314A CN201710229013.XA CN201710229013A CN107089314A CN 107089314 A CN107089314 A CN 107089314A CN 201710229013 A CN201710229013 A CN 201710229013A CN 107089314 A CN107089314 A CN 107089314A
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- bearing hole
- synchronizer
- fish tail
- 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.)
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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
- B63H1/30—Propulsive elements directly acting on water of non-rotary type
- B63H1/36—Propulsive elements directly acting on water of non-rotary type swinging sideways, e.g. fishtail type
Abstract
The invention discloses a kind of Novel bionic fishtail propulsion plant, including decelerator, input shaft, gearbox, output shaft, shaft coupling and swing mechanism, the side of the gearbox is connected by input shaft with decelerator, opposite side passes sequentially through output shaft, shaft coupling and swing mechanism and connected, and the swing mechanism is made up of frame, eccentrically weighted shaft, contiguous block and fish tail.The Novel bionic fishtail propulsion plant that the present invention is provided is simple in construction, it is reasonable in design, by eccentrically weighted shaft and contiguous block by reciprocally swinging that the convert rotational motion of horizontal direction is horizontal direction, and then drive fish tail reciprocally swinging, the function that bionic fish tail is promoted is realized, has the advantages that vertical direction size is small, pure rolling friction mechanism wear is small, eccentric force can be balanced, amplitude is small.Additionally by the eccentric wheel and the angle of rotating shaft for changing eccentrically weighted shaft, the angular range of fish tail swing can be adjusted, it is easy to operate.
Description
Technical field
The present invention relates to propulsion plant technical field, and in particular to a kind of Novel bionic fishtail propulsion plant.
Background technology
The energy very little that fish advance consumed in water, and without noise, consider from energy and noise point, fish tail
Propulsion mode tool compared with the propeller propulsion mode that current ship is commonly used has an enormous advantage.The propulsion mode of fish is divided into
Injecting type, BCF pusher (tail fin promotion), MPF propulsion modes (pectoral fin or abdomeinal fin are promoted), wherein BCF propulsion modes can be produced
Give birth to high thrust and can move about at a high speed.Spitkit, submarine for some specific uses, the side promoted using bionic fish tail
Formula, can not only produce high thrust, and propulsive efficiency is high, noise is low.
The Chinese invention patent of Application No. 201610265214.0 discloses a kind of Biomimetic Fish caudal knot of eccentric wheel transmission
Structure, its power source is that vertical direction applies rotary motion, can increase the vertical direction size of whole mechanism, and the bio-mechanism
Eccentric wheel and the body part of fish tail be sliding friction, wear and tear more serious, its structure eccentric wheel occupies whole mechanism
Most of, eccentric force can cause bionical small fish stress unreasonable, and balance difficulty is big, and amplitude is larger.It is therefore desirable to design
A kind of vertical direction size is small, the abrasion bionic fish tail propulsion plant that small, eccentric force can be balanced, amplitude is small.
The content of the invention
It is an object of the invention to overcome the above-mentioned problems in the prior art to be promoted there is provided a kind of Novel bionic fishtail
Device.
To realize above-mentioned technical purpose and the technique effect, the present invention is to be achieved through the following technical solutions：
A kind of Novel bionic fishtail propulsion plant, including decelerator, input shaft, gearbox, output shaft, shaft coupling and swing
Mechanism, the side of the gearbox is connected by input shaft with decelerator, and opposite side passes sequentially through output shaft, shaft coupling and swing
Mechanism is connected, and the swing mechanism is made up of frame, eccentrically weighted shaft, contiguous block and fish tail, will by eccentrically weighted shaft and contiguous block
The convert rotational motion of horizontal direction is the reciprocally swinging of horizontal direction；
The U-shaped structure of frame, wherein position, which have been installed, is respectively equipped with downside bearing hole at right side bearing hole, both ends
With upper shaft bearing bore；
The eccentrically weighted shaft includes rotating shaft and eccentric wheel, and the rotating shaft and eccentric wheel are cylindrical-shaped structure, the rotating shaft
Rotation is limited in the right side bearing hole of frame, and the eccentric wheel is fixedly connected on rotating shaft tail end, and both axis intersect；
The C-shaped structure of contiguous block, wherein position, which have been installed, is respectively equipped with rear side bearing at right side bearing hole, both ends
Hole and front side bearing hole；
The fish tail includes later half profiling portion, first half vertical axes and first half trunnion axis, and the later half profiling portion of the fish tail is
Fish tail fin-shaped, is fixedly connected on the rear side of first half vertical axes and first half trunnion axis, the first half vertical axes and first half water of the fish tail
Flat axle intersects vertically setting, and the two ends of the first half vertical axes rotate the downside bearing hole and upper shaft for being limited to frame respectively
In bearing bore, the two ends of the first half trunnion axis are fixedly connected with the rear side bearing hole and front side bearing hole of contiguous block respectively, described
The axis of first half vertical axes, first half trunnion axis and eccentric wheel three is met at a bit.
Further, the gearbox includes gear a, gear b, gear synchronizer I, gear c, gear d, gear f, gear
G, gear synchronizer II, gear h, gear i, gear j, gear k, gear synchronizer III, gear l and gear m, the gear a, tooth
Wheel c, gear f, gear synchronizer II, gear h, gear j, gear l are successively set on input shaft, the gear b, gear synchronous
Device I, gear d, gear g, gear i, gear k, gear synchronizer III, gear m are successively set on output shaft；The gear a, tooth
Wheel b is meshed, and the gear c, gear d are meshed, and the gear f, gear g are meshed, and the gear h, gear i are meshed,
The gear j, gear k are meshed, and the gear l, gear m are meshed.
Further, the gearbox reverses gear with 5 forward gears and 1, and the gear synchronizer I is moved to the left realization
1 grade, move right and realize 2 grades, the gear synchronizer II, which is moved to the left, realizes 3 grades, moves right and realizes 4 grades, the gear
Synchronizer III, which is moved to the left, realizes 5 grades, and the realization that moves right is reversed gear.
Further, the gear synchronizer I, gear synchronizer II and gear synchronizer III are located at input shaft or output shaft
On position can be adjusted.
Further, the downside bearing hole and upper shaft bearing bore of the frame are arranged concentrically, the rear side axle of the contiguous block
Bearing bore and front side bearing hole are arranged concentrically.
Further, both rotating shaft, eccentric wheel axis angle are 10-30 ° in the eccentrically weighted shaft.
Further, both rotating shaft, eccentric wheel axis angle are 15 ° in the eccentrically weighted shaft.
The beneficial effects of the invention are as follows：
The Novel bionic fishtail propulsion plant that the present invention is provided is simple in construction, reasonable in design, passes through eccentrically weighted shaft and connection
The reciprocally swinging that the convert rotational motion of horizontal direction is horizontal direction is driven fish tail reciprocally swinging by block, is realized bionical
The function that fish tail is promoted, with vertical direction size is small, pure rolling friction mechanism wear is small, eccentric force can be balanced, amplitude is small
Advantage.Additionally by the eccentric wheel and the angle of rotating shaft for changing eccentrically weighted shaft, the angular range of fish tail swing can be adjusted, is operated
It is convenient.
Certainly, any product for implementing the present invention it is not absolutely required to while reaching all the above advantage.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the overall structural representation of Novel bionic fishtail propulsion plant of the present invention；
Fig. 2 is the structural representation of gearbox in the present invention；
Fig. 3 is the overall structural representation of swing mechanism in the present invention；
Fig. 4 is the structural representation of frame in swing mechanism of the present invention；
Fig. 5 is the structural representation of eccentrically weighted shaft in swing mechanism of the present invention；
Fig. 6 is the structural representation of contiguous block in swing mechanism of the present invention；
Fig. 7 is the structural representation of fish tail in swing mechanism of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to shown in Fig. 1-7, the present embodiment is a kind of Novel bionic fishtail propulsion plant, including decelerator 1, input shaft
2nd, gearbox 3, output shaft 4, shaft coupling 5 and swing mechanism 6, the side of gearbox 3 are connected by input shaft 2 with decelerator 1, separately
Side passes sequentially through output shaft 4, shaft coupling 5 and is connected with swing mechanism 6.
Gearbox 3 includes gear a301, gear b302, gear synchronizer I 303, gear c304, gear d305, gear
F306, gear g307, gear synchronizer II 308, gear h309, gear i310, gear j311, gear k312, gear synchronizer
III 313, gear l314 and gear m315, the gear a301, gear c304, gear f306, gear synchronizer II 308, gear
H309, gear j311, gear l314 are successively set on input shaft 2, the gear b302, gear synchronizer I 303, gear
D305, gear g307, gear i310, gear k312, gear synchronizer III 313, gear m315 are successively set on output shaft 4；
The gear a301, gear b302 are meshed, and the gear c304, gear d305 are meshed, the gear f306, gear g307
It is meshed, the gear h309, gear i310 are meshed, the gear j311, gear k312 are meshed, the gear l314,
Gear m315 is meshed.
Gearbox 3 reverses gear with 5 forward gears and 1, and the gear synchronizer I 303, which is moved to the left, realizes 1 grade, to the right
Movement realizes 2 grades, and the gear synchronizer II 308, which is moved to the left, realizes 3 grades, moves right and realizes 4 grades, the gear synchronizer
III 313 are moved to the left and realize 5 grades, and the realization that moves right is reversed gear.Gear synchronizer I 303, gear synchronizer II 308 and gear are same
The position that step device III 313 is located on input shaft 2 or output shaft 4 can be adjusted, and by changing the position of gear synchronizer, enter
And switching at a slow speed between shelves and top gear is realized, reach speed regulation control.
Swing mechanism 6 is made up of frame 601, eccentrically weighted shaft 602, contiguous block 603 and fish tail 604, the U-shaped knot of frame 601
Structure, wherein position have installed and have been respectively equipped with downside bearing hole 606 and upper shaft bearing bore 607 at right side bearing hole 605, both ends；
Eccentrically weighted shaft 602 includes rotating shaft 608 and eccentric wheel 609, and rotating shaft 608 and eccentric wheel 609 are cylindrical-shaped structure, 608 turns of rotating shaft
Dynamic to be limited in the right side bearing hole 605 of frame 601, eccentric wheel 609 is fixedly connected on the tail end of rotating shaft 608, and both axis intersect；
The C-shaped structure of contiguous block 603, wherein position, which have been installed, is respectively equipped with rear side bearing hole 611 at right side bearing hole 610, both ends
With front side bearing hole 612；Fish tail 604 includes later half profiling portion 613, first half vertical axes 614 and first half trunnion axis 615, fish tail 603
Later half profiling portion 613 be fish tail fin-shaped, be fixedly connected on the rear side of first half vertical axes 614 and first half trunnion axis 615, fish tail
603 first half vertical axes 614 and first half trunnion axis 615 intersect vertically setting, and the two ends of first half vertical axes 614 rotate limit respectively
Be formed in the downside bearing hole 606 and upper shaft bearing bore 607 of frame 601, the two ends of first half trunnion axis 615 respectively with contiguous block
603 rear side bearing hole 611 is fixedly connected with front side bearing hole 612, first half vertical axes 614, first half trunnion axis 615 and eccentric wheel
The axis of 609 threes is met at a bit.
The downside bearing hole 606 and upper shaft bearing bore 607 of frame 601 are arranged concentrically, the rear side bearing of the contiguous block 603
Hole 611 and front side bearing hole 612 are arranged concentrically.Both rotating shaft 608, eccentric wheel 609 axis angles are 15 ° in eccentrically weighted shaft 602.
One of the present embodiment has particular application as：By frame 601 with needing the device of promotion to be relatively fixed when using, power
Source is connected in the rotating shaft 608 of eccentrically weighted shaft 602 by shaft coupling, by eccentrically weighted shaft 602 and contiguous block 603 by horizontal direction
Convert rotational motion is the reciprocally swinging of horizontal direction.Startup power source just can make fish tail 604 swing, and there is provided continuous dynamic
Power, its pivot angle is [- 15 °, 15 °], and pivot angle can change the angle model swung with eccentric wheel 609 and the angle of rotating shaft 608
Enclose, in order to improve structural stability, eccentric wheel 609 and the rotating shaft 608 of eccentrically weighted shaft 602 use stationary structure, can be with to this
The eccentrically weighted shafts 602 of previously prepared multiple different angles is solved.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example are described
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can be closed in any one or more embodiments or example
Suitable mode is combined.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details of narration, it is only described embodiment that the invention is not limited yet.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (7)
1. a kind of Novel bionic fishtail propulsion plant, it is characterised in that：Including decelerator, input shaft, gearbox, output shaft, connection
Axle device and swing mechanism, the side of the gearbox are connected by input shaft with decelerator, and opposite side passes sequentially through output shaft, connection
Axle device is connected with swing mechanism, and the swing mechanism is made up of frame, eccentrically weighted shaft, contiguous block and fish tail, passes through eccentrically weighted shaft
And contiguous block by the convert rotational motion of horizontal direction be horizontal direction reciprocally swinging；
The U-shaped structure of frame, wherein position, which have been installed, is respectively equipped with downside bearing hole and upper at right side bearing hole, both ends
Side axle bearing bore；
The eccentrically weighted shaft includes rotating shaft and eccentric wheel, and the rotating shaft and eccentric wheel are cylindrical-shaped structure, the axis of rotation
It is limited in the right side bearing hole of frame, the eccentric wheel is fixedly connected on rotating shaft tail end, both axis intersect；
The C-shaped structure of contiguous block, wherein position have installed right side bearing hole, be respectively equipped with both ends rear side bearing hole and
Front side bearing hole；
The fish tail includes later half profiling portion, first half vertical axes and first half trunnion axis, and the later half profiling portion of the fish tail is fish tail
Fin-shaped, is fixedly connected on the rear side of first half vertical axes and first half trunnion axis, the first half vertical axes and first half trunnion axis of the fish tail
Intersect vertically setting, and the two ends of the first half vertical axes rotate the downside bearing hole and upper shaft bearing bore for being limited to frame respectively
Interior, the two ends of the first half trunnion axis are fixedly connected with the rear side bearing hole and front side bearing hole of contiguous block respectively, the first half
The axis of vertical axes, first half trunnion axis and eccentric wheel three is met at a bit.
2. Novel bionic fishtail propulsion plant according to claim 1, it is characterised in that：The gearbox include gear a,
Gear b, gear synchronizer I, gear c, gear d, gear f, gear g, gear synchronizer II, gear h, gear i, gear j, gear
K, gear synchronizer III, gear l and gear m, the gear a, gear c, gear f, gear synchronizer II, gear h, gear j, tooth
Wheel l is successively set on input shaft, the gear b, gear synchronizer I, gear d, gear g, gear i, gear k, gear synchronous
Device III, gear m are successively set on output shaft；The gear a, gear b are meshed, and the gear c, gear d are meshed, described
Gear f, gear g are meshed, and the gear h, gear i are meshed, and the gear j, gear k are meshed, the gear l, gear m
It is meshed.
3. Novel bionic fishtail propulsion plant according to claim 2, it is characterised in that：The gearbox has before 5
Enter gear and 1 reverses gear, the gear synchronizer I, which is moved to the left, realizes 1 grade, moves right and realizes 2 grades, the gear synchronizer II
It is moved to the left and realizes 3 grades, move right and realize 4 grades, the gear synchronizer III, which is moved to the left, realizes 5 grades, and move right realization
Reverse gear.
4. Novel bionic fishtail propulsion plant according to claim 2, it is characterised in that：The gear synchronizer I, gear
The position that synchronizer II and gear synchronizer III are located on input shaft or output shaft can be adjusted.
5. Novel bionic fishtail propulsion plant according to claim 1, it is characterised in that：The downside bearing hole of the frame
It is arranged concentrically with upper shaft bearing bore, the rear side bearing hole and front side bearing hole of the contiguous block are arranged concentrically.
6. Novel bionic fishtail propulsion plant according to claim 1, it is characterised in that：Rotating shaft in the eccentrically weighted shaft,
Both eccentric wheels axis angle is 10-30 °.
7. Novel bionic fishtail propulsion plant according to claim 6, it is characterised in that：Rotating shaft in the eccentrically weighted shaft,
Both eccentric wheels axis angle is 15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229013.XA CN107089314A (en) | 2017-04-10 | 2017-04-10 | A kind of Novel bionic fishtail propulsion plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229013.XA CN107089314A (en) | 2017-04-10 | 2017-04-10 | A kind of Novel bionic fishtail propulsion plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107089314A true CN107089314A (en) | 2017-08-25 |
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ID=59637920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710229013.XA Pending CN107089314A (en) | 2017-04-10 | 2017-04-10 | A kind of Novel bionic fishtail propulsion plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058799A (en) * | 2017-11-30 | 2018-05-22 | 浙江工业大学 | A kind of novel bionic mechanical fish |
| CN109878673A (en) * | 2019-04-16 | 2019-06-14 | 大连海事大学 | Fish tail propulsion system and its application method are imitated in water |
| CN111824378A (en) * | 2020-07-27 | 2020-10-27 | 洛阳蓝峰智能科技有限公司 | Spatial swing rod mechanism |
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| CN104879452A (en) * | 2015-05-26 | 2015-09-02 | 吉林大学 | Dual-gear type six-gear speed changing box and gear shifting process control method thereof |
| CN105460189A (en) * | 2015-11-27 | 2016-04-06 | 天津大学 | Underwater flapping wing driving device |
| CN105775083A (en) * | 2016-03-07 | 2016-07-20 | 北京大学 | Biomimetic robotic fish tail swing mechanism |
| CN106005337A (en) * | 2016-07-29 | 2016-10-12 | 中国科学院自动化研究所 | Two-joint robotic fish driven by single motor |
| CN205707258U (en) * | 2016-04-26 | 2016-11-23 | 哈尔滨工程大学 | The bionic fish tail structure of eccentric transmission |
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| JPS5686890A (en) * | 1979-12-18 | 1981-07-15 | Minoru Nagai | Fish fin underwater propelling device |
| GB2181102A (en) * | 1985-10-02 | 1987-04-15 | Alan Harry Booton | Flexible propulsive fin-mechanically mounted |
| SU1671515A1 (en) * | 1989-07-07 | 1991-08-23 | Институт гидромеханики АН УССР | Fin propeller |
| CN2811163Y (en) * | 2005-04-08 | 2006-08-30 | 哈尔滨工程大学 | Mechanical gear device for fish-tail like propelling system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058799A (en) * | 2017-11-30 | 2018-05-22 | 浙江工业大学 | A kind of novel bionic mechanical fish |
| CN108058799B (en) * | 2017-11-30 | 2023-08-29 | 浙江工业大学 | Novel bionic mechanical fish |
| CN109878673A (en) * | 2019-04-16 | 2019-06-14 | 大连海事大学 | Fish tail propulsion system and its application method are imitated in water |
| CN109878673B (en) * | 2019-04-16 | 2023-11-24 | 大连海事大学 | Aquatic fish tail imitating propulsion system and using method thereof |
| CN111824378A (en) * | 2020-07-27 | 2020-10-27 | 洛阳蓝峰智能科技有限公司 | Spatial swing rod mechanism |
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Application publication date: 20170825 |