CN109178269B - Fixing device - Google Patents
Fixing device Download PDFInfo
- Publication number
- CN109178269B CN109178269B CN201811107352.1A CN201811107352A CN109178269B CN 109178269 B CN109178269 B CN 109178269B CN 201811107352 A CN201811107352 A CN 201811107352A CN 109178269 B CN109178269 B CN 109178269B
- Authority
- CN
- China
- Prior art keywords
- fixing
- piece
- fixing piece
- water
- facing
- 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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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 241000251468 Actinopterygii Species 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims description 7
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000010146 3D printing Methods 0.000 description 2
- 238000005452 bending Methods 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
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Farming Of Fish And Shellfish (AREA)
- Manipulator (AREA)
Abstract
The application discloses fixing device, which comprises a body, the one end of body is provided with first connecting piece, the other end is provided with the second connecting piece, the body is provided with water portion and back of the body, water portion is close to one side that water portion is kept away from water portion than water portion is facing one side width that water portion is kept away from, water portion is close to one side that water portion is kept away from water portion than water portion is wide, through fixing the propeller at the second connecting piece, first connecting piece is fixed on the robot fish, propeller and robot fish are connected to the body, reasonable structure that has set up fixing device has reduced the resistance of rivers to fixing device at the robot fish motion in-process.
Description
Technical Field
The invention relates to the field of robot fish fixing structures in general, and particularly relates to a fixing device.
Background
The shell structure of the robot fish is usually a complex fluid curve structure, and most of the shell structures are 3D printed parts, so that the shell structure is brittle. The 3D printing piece is limited by printing materials, the strength is generally poor, and when the propeller is fixed on the fish shell to be propelled, the reliability of the supporting piece is greatly tested; the thickening support piece is an effective means for avoiding the support frame from being broken, but the increase of the thickness can cause the increase of resistance and influence the maneuverability of the robot fish.
Disclosure of Invention
In view of the above-mentioned drawbacks or shortcomings of the prior art, it is desirable to provide a securing device for securing a propeller to a robotic fish.
In a first aspect, the fixing device of the invention comprises a body, wherein one end of the body is provided with a first connecting piece, the other end of the body is provided with a second connecting piece, the body is provided with a water facing part and a back water part, one side of the water facing part, which is close to the back water part, is wider than one side of the water facing part, which is far away from the back water part, and one side of the back water part, which is close to the water facing part, is wider than one side of the back water part, which is far away from the water facing part.
According to the technical scheme that this application embodiment provided, through fixing the propeller at the second connecting piece, first connecting piece is fixed on the robot fish, and propeller and robot fish are connected to the body, and reasonable structure that has set up fixing device has reduced at robot fish motion in-process, and rivers are to fixing device's resistance, can solve current robot fish and be difficult to the problem of fixed propeller.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a schematic view of a fixing device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a first fixing member of a fixing device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a first fixing member of a fixing device according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a second fixing member of the fixing device according to the embodiment of the present invention;
FIG. 5 is a schematic structural view of a second fixing member of the fixing device according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of the fixing device and the robot fish according to the embodiment of the invention.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 6, the fixing device of the present invention includes a body, one end of the body is provided with a first connecting piece, the other end is provided with a second connecting piece 12, the body is provided with a water facing portion and a back water portion, one side of the water facing portion close to the back water portion is wider than one side of the water facing portion far away from the back water portion, and one side of the back water portion close to the water facing portion is wider than one side of the back water portion far away from the water facing portion.
In the embodiment of the invention, the propeller is fixed on the second connecting piece, the first connecting piece is fixed on the robot fish, the body is used for connecting the propeller and the robot fish, the structure of the fixing device is reasonably arranged, meanwhile, one side of the water facing part close to the back water part is wider than one side of the water facing part far away from the back water part, and one side of the back water part close to the water facing part is wider than one side of the back water part far away from the water facing part, so that the resistance of water flow to the body in the movement process of the robot fish is reduced, and the strength of the fixing device for fixing the propeller is improved.
Further, the body includes a first fixing member 10 and a second fixing member 20, one end of the first fixing member 10 is provided with a first connecting portion 11, the other end of the first fixing member 10 is fixedly connected with the second connecting member 12, one end of the second fixing member 20 is provided with a second connecting portion 21, and the second connecting portion 21 is detachably and fixedly connected with the first connecting portion 11.
In the embodiment of the invention, the propeller is fixed on the second connecting piece, the first connecting part and the second connecting part are fixed on the robot fish, the first fixing piece and the second fixing piece are used for connecting the propeller and the robot fish, the structure of the fixing device is reasonably arranged, and the resistance of water flow to the fixing device in the movement process of the robot fish is reduced.
The second connecting piece can be set up to the connecting plate, is provided with the through-hole on the connecting plate, and the bolt passes through-hole and propeller spiro union to fix the second connecting piece on the propeller, improved fixing device's reliability, optionally, the through-hole is provided with four, and four through-holes set up respectively in the position that the connecting plate is close to four angles, can improve the fixed strength of second connecting piece and propeller.
Further, the first fixing member 10 and the second fixing member 20 are both triangular prisms, and the body is a quadrangular prism.
In the embodiment of the invention, the first fixing piece and the second fixing piece are arranged into the triangular prism, the first fixing piece and the second fixing piece are spliced into the body, and the body is the triangular prism, so that the flow guiding effect is achieved, and the resistance of water flow to the first fixing piece and the second fixing piece in the moving process of the robot fish in water can be reduced.
Further, the first connecting portion 11 is provided with a first fixing hole 14, the second connecting portion 21 is provided with a second fixing hole 24, and the first fixing hole 14 is disposed opposite to the second fixing hole 24.
In the embodiment of the invention, the bolts penetrate through the first fixing holes and the second fixing holes to be in threaded connection with the robot fish, so that the first connecting part and the second connecting part are fixed with the robot fish, the fixing is convenient, the threaded openings on the robot fish can be reserved through 3D printing, the damage to the robot fish when the first connecting part and the second connecting part are fixed is avoided, and the reliability of the fixing device is improved.
Further, the side of the first fixing member 10 contacting the second fixing member 20 is perpendicular to the hole depth direction of the first fixing hole 14.
In the embodiment of the invention, when the robot fish moves in water, the edges of the quadrangular prism formed by splicing the first fixing piece and the second fixing piece can be opposite to the water flow direction, so that the resistance of the water flow to the fixing device is reduced, and the fixing strength and reliability of the fixing device are improved.
Further, a first wire passing groove 13 is formed in one side, facing the second fixing piece 20, of the first fixing piece 10, a second wire passing groove 22 is formed in one side, facing the first fixing piece 10, of the second fixing piece 20, and the first wire passing groove 13 and the second wire passing groove 22 are spliced into a semi-closed cavity with two open ends.
In the embodiment of the invention, the cable on the propeller passes through the cavity and enters the interior of the robot fish, the semi-closed cavity formed by the first wire passing groove and the second wire passing groove can be hidden and fixedly connected with the cable of the propeller and the robot fish, so that the resistance of water flow to the fixing device in the moving process of the robot fish in water is reduced, and meanwhile, the fixing device fixed with the propeller is more attractive, and the safety of the cable is ensured.
Further, the opening of the cavity facing the second connecting piece 12 is a first opening, the second connecting piece 12 is provided with a third wire passing groove 17, and the third wire passing groove 17 is opposite to the first opening.
In the embodiment of the invention, the third wire passing groove plays a role of limiting the movement of the cable, so that the fixing device fixed with the propeller is more attractive, and the safety of the cable is ensured.
Further, the opening of the cavity facing the first connecting portion 11 is a second opening,
the first connecting part 11 is provided with a fourth wire passing groove 15, the fourth wire passing groove 15 is opposite to the second opening, or
The second connecting portion 21 is provided with a fourth wire passing groove 15, and the fourth wire passing groove 15 faces the second opening.
In the embodiment of the invention, the fourth wire passing groove plays a role of limiting the movement of the cable, so that the fixing device fixed with the propeller is more attractive, and the safety of the cable is ensured.
Further, the fourth wire passing groove 15 is in cambered surface transition with the second opening.
In the embodiment of the invention, when the cable is led out from the second opening, bending is generated at the position of the fourth wire passing groove, the fourth wire passing groove and the second opening are transited through the cambered surface, so that the fixing device is prevented from being in rigid contact with the cable, the cable is prevented from being damaged, the safety of the cable is ensured, and meanwhile, the cambered surface can provide large supporting force for the cable.
Further, the side surface of the first connecting portion 11 facing the first fixing member 10 is provided as a first inclined surface 16, the first inclined surface 16 is inclined toward the first connecting portion 11, the side surface of the second connecting portion 21 facing the second fixing member 20 is provided as a second inclined surface 25, and the second inclined surface 25 is inclined toward the second connecting portion 21.
In the embodiment of the invention, the outer side surface of the fixing device is a streamline outer side surface by arranging the first inclined surface and the second inclined surface, so that the resistance of water flow to the fixing device in the moving process of the robot fish in water is reduced, the fixing strength and reliability of the fixing device are improved, the outer side surface of the fixing device is reasonably arranged, the fixing device can bear large impact force when the propeller is started, and the resistance is greatly reduced.
Further, a third fixing hole 18 is formed on a side of the first fixing member 10 close to the second connecting member 12, a fourth fixing hole 23 is formed on a side of the second fixing member 20 close to the second connecting member 12, and the third fixing hole 18 is opposite to the fourth fixing hole 23.
In the embodiment of the invention, the first fixing piece is provided with the third fixing hole at one side close to the second connecting piece, the second fixing piece is provided with the fourth fixing hole at one side close to the second connecting piece, the third fixing hole is opposite to the fourth fixing hole, and the bolt passes through the third fixing hole and the fourth fixing hole to be screwed with the nut, so that the first fixing piece and the second fixing piece are fixed, and the strength of the fixing device is further improved. The countersunk holes can be formed in the positions where the first fixing piece and the second fixing piece are in contact with the nuts and the nuts of the bolts, so that the nuts and the nuts of the bolts are prevented from exposing the surfaces of the first fixing piece and the second fixing piece, and the resistance of water flow to the fixing device in the moving process of the robot fish in water is reduced.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (1)
1. The fixing device is characterized by comprising a body, wherein a first connecting piece is arranged at one end of the body, a second connecting piece is arranged at the other end of the body, a propeller is fixed on the second connecting piece, the first connecting piece is fixed on a robot fish, the propeller and the robot fish are connected through the body, a water facing part and a water backing part are arranged on the body, one side of the water facing part, which is close to the water backing part, is wider than one side of the water facing part, which is far away from the water backing part, and one side of the water backing part, which is close to the water facing part, is wider than one side of the water backing part, which is far away from the water facing part, so that resistance of water flow to the body in the movement process of the robot fish is reduced;
the second connecting piece is arranged as a connecting plate, through holes are formed in the connecting plate, bolts penetrate through the through holes and are in threaded connection with the propeller, four through holes are formed in the four through holes, and the four through holes are respectively arranged at positions, close to four corners, of the connecting plate;
the body comprises a first fixing piece and a second fixing piece, wherein one end of the first fixing piece is provided with a first connecting part, the other end of the first fixing piece is fixedly connected with the second connecting piece, one end of the second fixing piece is provided with a second connecting part, and the second connecting part is detachably and fixedly connected with the first connecting part;
the first fixing piece and the second fixing piece are triangular prisms, the body is a quadrangular prism, the first connecting portion is provided with a first fixing hole, the second connecting portion is provided with a second fixing hole, the first fixing hole and the second fixing hole are oppositely arranged, a bolt passes through the first fixing hole and the second fixing hole and is in threaded connection with the robot fish, so that the first connecting portion and the second connecting portion are fixed with the robot fish, and the side surface, which is contacted with the first fixing piece and the second fixing piece, is perpendicular to the hole depth direction of the first fixing hole;
a first wire passing groove is formed in one side, facing the second fixing piece, of the first fixing piece, a second wire passing groove is formed in one side, facing the first fixing piece, of the second fixing piece, and the first wire passing groove and the second wire passing groove are spliced into a semi-closed cavity with two open ends, and a cable on the propeller penetrates through the semi-closed cavity and enters the interior of the robot fish;
the opening of the cavity facing the second connecting piece is a first opening, the second connecting piece is provided with a third wire passing groove, and the third wire passing groove is opposite to the first opening;
the opening of the cavity facing the first connecting part is a second opening,
the first connecting part is provided with a fourth wire passing groove which is opposite to the second opening, or
The second connecting part is provided with a fourth wire passing groove which is opposite to the second opening,
the fourth wire passing groove is in cambered surface transition with the second opening,
the side surface of the first connecting part facing the first fixing piece is provided with a first inclined surface, the first inclined surface is inclined towards the first connecting part, the side surface of the second connecting part facing the second fixing piece is provided with a second inclined surface, and the second inclined surface is inclined towards the second connecting part;
the first mounting is close to one side of second connecting piece is provided with the third fixed orifices, the second mounting is close to one side of second connecting piece is provided with the fourth fixed orifices, the third fixed orifices with the fourth fixed orifices sets up relatively, and the bolt passes third fixed orifices and fourth fixed orifices and come the spiro union nut, and first mounting and second mounting set up the counter bore with the place of the nut and the nut contact of bolt, avoid the nut and the nut of bolt to expose the surface of first mounting and second mounting, reduce the robot fish in the aquatic motion in-process, rivers are to the resistance that fixing device produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107352.1A CN109178269B (en) | 2018-09-21 | 2018-09-21 | Fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107352.1A CN109178269B (en) | 2018-09-21 | 2018-09-21 | Fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109178269A CN109178269A (en) | 2019-01-11 |
| CN109178269B true CN109178269B (en) | 2023-12-29 |
Family
ID=64909382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811107352.1A Active CN109178269B (en) | 2018-09-21 | 2018-09-21 | Fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109178269B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2031044C1 (en) * | 1991-07-11 | 1995-03-20 | Борис Семенович Перельман | Multihulled vessel |
| CN103770902A (en) * | 2014-02-20 | 2014-05-07 | 上海交通大学 | Catamaran sheet body design method and catamaran produced by using same |
| CN104097742A (en) * | 2013-04-05 | 2014-10-15 | 青岛科技大学 | Twin-hull ship with hydroflap stabilizing device |
| CN105775085A (en) * | 2016-03-09 | 2016-07-20 | 武汉船用机械有限责任公司 | Marine pod propelling device |
| CN205446943U (en) * | 2015-12-31 | 2016-08-10 | 大连长之琳科技发展有限公司 | Rubber pipeline clip |
| CN105966545A (en) * | 2016-05-23 | 2016-09-28 | 哈尔滨工程大学 | Trimaran |
| CN107089296A (en) * | 2017-03-28 | 2017-08-25 | 张家港江苏科技大学产业技术研究院 | Composite triple-hulled vessel with navaid hydrofoil |
| CN206503305U (en) * | 2017-02-22 | 2017-09-19 | 盐城工学院 | A kind of wooden Baogang's steel and wood composite post |
| CN209037821U (en) * | 2018-09-21 | 2019-06-28 | 中电科海洋信息技术研究院有限公司 | Fixed device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6912965B2 (en) * | 2003-03-12 | 2005-07-05 | Kellogg Brown & Root, Inc. | Semisubmersible trimaran |
-
2018
- 2018-09-21 CN CN201811107352.1A patent/CN109178269B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2031044C1 (en) * | 1991-07-11 | 1995-03-20 | Борис Семенович Перельман | Multihulled vessel |
| CN104097742A (en) * | 2013-04-05 | 2014-10-15 | 青岛科技大学 | Twin-hull ship with hydroflap stabilizing device |
| CN103770902A (en) * | 2014-02-20 | 2014-05-07 | 上海交通大学 | Catamaran sheet body design method and catamaran produced by using same |
| CN205446943U (en) * | 2015-12-31 | 2016-08-10 | 大连长之琳科技发展有限公司 | Rubber pipeline clip |
| CN105775085A (en) * | 2016-03-09 | 2016-07-20 | 武汉船用机械有限责任公司 | Marine pod propelling device |
| CN105966545A (en) * | 2016-05-23 | 2016-09-28 | 哈尔滨工程大学 | Trimaran |
| CN206503305U (en) * | 2017-02-22 | 2017-09-19 | 盐城工学院 | A kind of wooden Baogang's steel and wood composite post |
| CN107089296A (en) * | 2017-03-28 | 2017-08-25 | 张家港江苏科技大学产业技术研究院 | Composite triple-hulled vessel with navaid hydrofoil |
| CN209037821U (en) * | 2018-09-21 | 2019-06-28 | 中电科海洋信息技术研究院有限公司 | Fixed device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109178269A (en) | 2019-01-11 |
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