CN203005728U - Novel robotic fish pectoral fin propelling mechanism - Google Patents
Novel robotic fish pectoral fin propelling mechanism Download PDFInfo
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- CN203005728U CN203005728U CN 201220730062 CN201220730062U CN203005728U CN 203005728 U CN203005728 U CN 203005728U CN 201220730062 CN201220730062 CN 201220730062 CN 201220730062 U CN201220730062 U CN 201220730062U CN 203005728 U CN203005728 U CN 203005728U
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- pectoral fin
- motor
- case part
- support
- power source
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Abstract
The utility model discloses a novel robotic fish pectoral fin propelling mechanism which comprises two pectoral fin mechanisms which are symmetrical bilaterally along a central axis of a fish body outer shell. The two pectoral fin mechanisms are of the same structure. Each pectoral fin mechanism comprises a motor support, a power source motor, a gear pair, a rotating center shaft, a center shaft support, a rotating support, a first motor, a hinge piece, a sliding barrel, a ball-likeness pair and a pectoral fin. Each motor support and each center shaft support are fixed on the fish body outer shell. Each power source motor is fixed in the motor support. An output shaft end of each power source motor is connected with the gear pair. Each gear pair is assembled on the rotating center shaft. Each rotating center shaft is supported by the motor support and the center shaft support. One end of each rotating center shaft is connected with the rotating support. Each first motor is fastened on the rotating support. An output end of each first motor is hinged at one end of each sliding barrel through the hinge piece, and the other end of each sliding barrel is connected with the ball-likeness pair in a sliding mode. The ball-likeness pairs are fixedly connected with the pectoral fins. The novel robotic fish pectoral fin propelling mechanism has the advantages of being multiple in moving modes and good in flexibility and sealing performance compared with a traditional mechanical mechanism.
Description
Technical field
The utility model belongs to electromechanical device, relates in particular to the pectoral fin pushing mechanism of machine fish.
Background technology
Along with day by day highlighting of maritime rights and interests importance, the importance of exploration, protection and the utilization of ocean is also increased thereupon.The naval vessel of executing the task in existing water and the device of diving are main propulsion mode mainly with screw propeller, at noise and trailing vortex controlling party mask, larger limitation are arranged.The product that fish are evolved as realm of nature has the supereminent ability of moving about in water, its research on mechanism that moves about is helped to provide new propulsion mode for naval vessel of new generation and latent device.At realm of nature, the propulsion mode of fish mainly is divided into two classes, i.e. health/tail fin propulsion mode, and pectoral fin propulsion mode.Present research mainly concentrates on the former, and existing comparatively ripe propelling mechanism achievement in research and bionic machine fishery-ies product.Under the condition of low-speed motion, to compare with the tail fin propulsion mode, the pectoral fin propulsion mode has obvious advantage at aspects such as the flexibility ratio of moving about, attitude stability, sink-float control, location, therefore obtains increasing researcher's concern.Wherein, the innovative design of pectoral fin propulsive mechanism is one of gordian technique wherein, and present propulsive mechanism is bionical object mainly with the eagle ray class, and propulsive mechanism and fish body are carried out integral sealing.The utility model relates to a kind of novel pectoral fin pushing mechanism of machine fish, by the independently two-freedom motion separately of left and right pectoral fin, realizes the multiple propelling patterns such as machine fish is directly swum, turning.Simultaneously, innovate by mechanism, solved the sealing problem between pectoral fin propulsive mechanism and fish body mechanism.
The utility model content
The technical problems to be solved in the utility model is to overcome existing defective, the requirement of leak tightness in its special action environment based on the dynamics analysis of fish pectoral fin and machine fish, a kind of new machine fish pectoral fin propulsive mechanism is provided, makes that it has advantages of that mode of motion is various, the flexibility ratio of traditional mechanical mechanism and leak tightness.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
a kind of new machine fish pectoral fin propulsive mechanism comprises along a left side, fish body case axis, two pectoral fin mechanisms of right symmetry, two described pectoral fin mechanism structure are identical, and described pectoral fin mechanism comprises electric machine support, power source motor, gear mesh, rotating middle shaft, bottom bracket, swinging mounting, the first motor, articulation piece, slide cartridge, the class ball is secondary, pectoral fin, described electric machine support and bottom bracket are fixed on the fish body case, described power source motor is fixed in electric machine support, the output shaft end of described power source motor connects gear mesh, described gear mesh is assemblied on rotating middle shaft, one end of described rotating middle shaft is the output Tuan of power source motor, described rotating middle shaft is supported by electric machine support, the middle part of rotating middle shaft is supported by bottom bracket by bearing, its other end is connected with swinging mounting by flange, described the first motor is fastened on swinging mounting, the mouth of described the first motor be articulated in slide cartridge one end by articulation piece, described slide cartridge other end sliding block joint class ball is secondary, described class ball is secondary captives joint with pectoral fin.
Further, described gear mesh comprises the first gear and the second gear, described first gear engagement the second gear.
Further, the end that described articulation piece connects the first motor is provided with large connecting portion, and the other end that described articulation piece connects slide cartridge is provided with the opposite little connecting portion of opening.
Further, described slide cartridge outer wall one side has breach along its length.
Further, described class ball pair comprises portable bar, first kind ball secondary case part, Equations of The Second Kind ball secondary case part and the 3rd class ball secondary case part, the two-section of described portable bar for disconnecting, be fixedly connected with first kind ball secondary case part in the middle of portable bar, described first kind ball secondary case part middle part is arranged in Equations of The Second Kind ball secondary case part, described Equations of The Second Kind ball secondary case part is seal-installed in the 3rd class ball secondary case part, the described portable bar other end is captiveed joint with pectoral fin, connects by the soft rubber leather sheath between described Equations of The Second Kind ball pair and moving bar piece.
Compared with prior art, the utlity model has following beneficial effect:
Solve the problem of flexibility ratio and leak tightness in pectoral fin propulsive mechanism design, under good sealing effectiveness, realized the two degrees of freedom flexible motion of pectoral fin;
Pectoral fin mechanism is succinct, easily realization, and each parts material selection flexibility ratio is large, adopts hinge and can realize stable motion transmission coordinating of class ball pair;
Mode of motion is various, can realize the propulsive force of mass efficient by each adjusting of controlling parameter and setting angle, and moving situation that can better match fish pectoral fin aspect the action of pectoral fin is conducive to the developmental research of machine fish;
Left and right pectoral fin adopts symmetrical structure, and the angle between left and right pectoral fin mechanism axial line, can change according to the actual conditions needs when specific design, adopts the electric machine support of fixed sturcture can be applied in multiple bionic machine fish;
Power source motor and the first motor provide power, the first motor adopts brush to provide electric signal to control, can realize simultaneously that the swing of pectoral fin and complete cycle rotate, realize the alerting ability that bionic machine fish is directly swum, turned to, speed change is cruised, promote the machine fish propulsion capability of moving about.
Description of drawings
Fig. 1 is the overall schematic of the utility model new machine fish pectoral fin propulsive mechanism;
Fig. 2 is the schematic diagram of the one-sided pectoral fin propulsive mechanism of the utility model;
Fig. 3 is the schematic diagram of the class ball pair of the one-sided pectoral fin propulsive mechanism of the utility model;
Fig. 4 is the overall diagram of the class ball pair of the one-sided pectoral fin propulsive mechanism of the utility model;
Fig. 5 is the whole birds-eye view of the class ball pair of the one-sided pectoral fin propulsive mechanism of the utility model;
Fig. 6 is the A-A cutaway view of Fig. 5;
Fig. 7 is the B-B cutaway view of Fig. 6;
Fig. 8 is the schematic diagram of the slide cartridge of the one-sided pectoral fin propulsive mechanism of the utility model;
Fig. 9 is the use figure of the slide cartridge of the one-sided pectoral fin propulsive mechanism of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.
As shown in Fig. 1-9, new machine fish pectoral fin propulsive mechanism comprises left and right two the pectoral fin mechanisms along fish body case axis full symmetric, and left and right two pectoral fin mechanism structure are identical, meet the machine fish designing requirement, but and left and right pectoral fin mechanism self contained function.This pectoral fin mechanism, comprise electric machine support 1, power source motor 2, gear mesh 3, rotating middle shaft 4, bottom bracket 5, swinging mounting 6, the first motor 7, articulation piece 8, slide cartridge 10, class ball pair 11, pectoral fin 12, electric machine support 1 and bottom bracket 5 are fixed on the fish body case, two of the total left and right of electric machine support 1, be arranged symmetrically with centered by the fish body axis, when specific implementation, can be by two of left and right electric machine support be arranged symmetrically with on the fish body case and the fixing change that realizes angle between the pectoral fin of left and right by different angles.power source motor 2 is fixed in electric machine support 1, the output shaft end of power source motor 2 connects gear mesh 3, gear mesh 3 comprises the first gear and the second gear, the first gear second gear that is connected with a joggle, the second gear is assemblied on rotating middle shaft 4, one end of rotating middle shaft 4 is the mouth of power source motor 2, rotating middle shaft 4 is supported by electric machine support 1, the middle part of rotating middle shaft 4 is supported by bottom bracket 5 by bearing, its other end is connected with swinging mounting 6 by flange and consists of swing, the first motor 7 is fastened on swinging mounting 6, the mouth of the first motor 7 is articulated in slide cartridge 10 1 ends by articulation piece 8, the end that articulation piece 8 connects the first motor is provided with large connecting portion 9, the other end that articulation piece 8 connects slide cartridge is provided with the opposite little connecting portion 17 of opening.Slide cartridge 10 outer wall one sides have breach along its length, and slide cartridge 10 other ends slidably connect class ball pair 11.
As shown in Fig. 3-7, such ball pair 11 comprises portable bar 13, first kind ball secondary case part 14, Equations of The Second Kind ball secondary case part 15 and the 3rd class ball secondary case part 16, the two-section of described portable bar 13 for disconnecting, be fixedly connected with first kind ball secondary case part 14 in the middle of portable bar 13, first kind ball secondary case part 14 middle parts are arranged in Equations of The Second Kind ball secondary case part 15, and first kind ball secondary case part 14 is realized the swing of pectoral fin in the rotation of Equations of The Second Kind ball secondary case part 15 inner circular cambered surfaces; Equations of The Second Kind ball secondary case part 15 is seal-installed in the 3rd class ball secondary case part 16 by seal ring, and Equations of The Second Kind ball secondary case part 15 is realized the rotation of pectoral fin around axial rotation on the 3rd class ball secondary case part 16; It realizes the motion of two degree of freedom of pectoral fin by the cooperation of first kind ball secondary case part 14 and Equations of The Second Kind ball secondary case part 15.On sealing means, connect by the soft rubber leather sheath between Equations of The Second Kind ball secondary case part 15 and moving bar piece 13, realize the sealing of mechanism's swing aspect; Described portable bar 13 other ends are captiveed joint with pectoral fin 12.The secondary 11 two degrees of freedom pectoral fin mode of motion of such ball be conducive to rotate and swing two motions separate realize mechanism's sealing, reduced the difficulty of sealing, guaranteed the reliability of sealing.
The main manner of execution of new machine fish pectoral fin propulsive mechanism has following three classes:
1, power source motor 2 zero outputs, the first motor 7 have the output of swing.This kind operating state is when the given pectoral fin angle of attack, utilizes merely the pectoral fin generation propulsive force of flapping, and the pectoral fin angle of attack can carry out conversion with the output of power source motor 2.
2, the first motor 7 zero outputs, power source motor 2 have the output of rotation.This kind operating state only utilizes axial rotation by the action feature of mechanism itself, produces propulsive force, the slip of the similar quant of operating principle.
3, power source motor 2 and the first motor 7 all have output.This kind operating state is the compound of comparatively complicated two kinds of actions, and the controlling quantity that given motor is suitable just can realize the coordination between the two-freedom motion, produces the various informative motion of pectoral fin and produces propulsive force, realizes advancing.
During whole mechanism action, power source motor 2 and the first motor 7 be joint rotation separately or in a certain way, realizes the variety of outside pectoral fin mode of motion.The rotation of power source motor 2 complete cycles or certain angle transmits by gear mesh 3, drive rotating middle shaft 4 and fastening superincumbent swinging gear, Equations of The Second Kind ball secondary case part 15 is rotated along the 3rd class ball secondary case part 16 inboard wall grooves, produce the axial rotation of outside pectoral fin, this motion changes the angle of attack of pectoral fin in swing process, produces effective propulsive force.The reciprocally swinging of the first motor 7 in the certain angle scope, transmission by articulation piece 8, slide cartridge 10 is reciprocatingly slided on portable bar 13 vertically, and portable bar 13 is take class ball pair 11 as fulcrum, the end that connects slide cartridge 10 swings along a certain directions vertical axial, and then the outside pectoral fin 12 that is fastened on portable bar 13 the other end is swung with corresponding rule, flapping of match fish pectoral fin and produce propulsive force.
In addition, greater flexibility is that the change by the electric machine control amount realizes the change of separately amplitude of two kinds of motions, frequency, drift angle, add that pectoral fin is installed and the variation of the angle of swaying direction, just mechanism is moved flexibly, thereby this mechanism is masterly when match fish pectoral fin moves, the bionic machine fish important in inhibiting that this promotes based on pectoral fin for research.
The above only is explanation embodiment of the present utility model; be not limited to the utility model; for a person skilled in the art; all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a new machine fish pectoral fin propulsive mechanism, comprise along a left side, fish body case axis, two pectoral fin mechanisms of right symmetry, it is characterized in that: two described pectoral fin mechanism structure are identical, and described pectoral fin mechanism comprises electric machine support, power source motor, gear mesh, rotating middle shaft, bottom bracket, swinging mounting, the first motor, articulation piece, slide cartridge, the class ball is secondary, pectoral fin, described electric machine support and bottom bracket are fixed on the fish body case, described power source motor is fixed in electric machine support, the output shaft end of described power source motor connects gear mesh, described gear mesh is assemblied on rotating middle shaft, one end of described rotating middle shaft is the mouth of power source motor, described rotating middle shaft is supported by electric machine support, the middle part of rotating middle shaft is supported by bottom bracket by bearing, its other end is connected with swinging mounting by flange, described the first motor is fastened on swinging mounting, the mouth of described the first motor be articulated in slide cartridge one end by articulation piece, described slide cartridge other end sliding block joint class ball is secondary, described class ball is secondary captives joint with pectoral fin.
2. new machine fish pectoral fin propulsive mechanism as claimed in claim 1, it is characterized in that: described gear mesh comprises the first gear and the second gear, described first gear engagement the second gear.
3. new machine fish pectoral fin propulsive mechanism as claimed in claim 1 is characterized in that: the end that described articulation piece connects the first motor is provided with large connecting portion, and the other end that described articulation piece connects slide cartridge is provided with the opposite little connecting portion of opening.
4. new machine fish pectoral fin propulsive mechanism as claimed in claim 1, it is characterized in that: described slide cartridge outer wall one side has breach along its length.
5. new machine fish pectoral fin propulsive mechanism as claimed in claim 1, it is characterized in that: described class ball pair comprises portable bar, first kind ball secondary case part, Equations of The Second Kind ball secondary case part and the 3rd class ball secondary case part, the two-section of described portable bar for disconnecting, be fixedly connected with first kind ball secondary case part in the middle of portable bar, described first kind ball secondary case part middle part is arranged in Equations of The Second Kind ball secondary case part, described Equations of The Second Kind ball secondary case part is seal-installed in the 3rd class ball secondary case part, the described portable bar other end is captiveed joint with pectoral fin, connect by the soft rubber leather sheath between described Equations of The Second Kind ball pair and moving bar piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730062 CN203005728U (en) | 2012-12-26 | 2012-12-26 | Novel robotic fish pectoral fin propelling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730062 CN203005728U (en) | 2012-12-26 | 2012-12-26 | Novel robotic fish pectoral fin propelling mechanism |
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| CN203005728U true CN203005728U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220730062 Expired - Fee Related CN203005728U (en) | 2012-12-26 | 2012-12-26 | Novel robotic fish pectoral fin propelling mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010438A (en) * | 2012-12-26 | 2013-04-03 | 兰州交通大学 | Novel robot fish pectoral fin propelling mechanism |
| CN111746783A (en) * | 2020-07-01 | 2020-10-09 | 西湖大学 | A flank structure and navigation ware for navigation ware |
-
2012
- 2012-12-26 CN CN 201220730062 patent/CN203005728U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010438A (en) * | 2012-12-26 | 2013-04-03 | 兰州交通大学 | Novel robot fish pectoral fin propelling mechanism |
| CN111746783A (en) * | 2020-07-01 | 2020-10-09 | 西湖大学 | A flank structure and navigation ware for navigation ware |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20131226 |