CN112644683A - Unmanned aerial vehicle frame construction that can freely assemble - Google Patents
Unmanned aerial vehicle frame construction that can freely assemble Download PDFInfo
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- CN112644683A CN112644683A CN202110060723.0A CN202110060723A CN112644683A CN 112644683 A CN112644683 A CN 112644683A CN 202110060723 A CN202110060723 A CN 202110060723A CN 112644683 A CN112644683 A CN 112644683A
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- unmanned aerial
- aerial vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/06—Frames; Stringers; Longerons ; Fuselage sections
- B64C1/08—Geodetic or other open-frame structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- Aviation & Aerospace Engineering (AREA)
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Abstract
The invention discloses an unmanned aerial vehicle frame structure capable of being freely assembled, relates to the technical field of unmanned aerial vehicles, and solves the problems that the existing unmanned aerial vehicle frame is difficult to meet different use requirements and has poor connection firmness; the outer side of the unmanned aerial vehicle main body is fixedly and symmetrically connected with four connecting seats in total; the inner sides of the tops of the four connecting seats are provided with a positioning insertion block in a sliding embedded mode; the top of each positioning insertion block is fixedly connected with a positioning pull rod, and the top ends of the positioning pull rods penetrate through the top of the connecting seat and extend upwards; one side of each of the four connecting seats can be fixedly connected with one end of the machine arm; and a set of rotor wings are arranged at the top of the other end of the horn. The connecting seat of the device can be locked by the positioning insertion block after being connected with the machine arm, the connecting seat is connected with the expansion frame, and the expansion frame is connected with the machine arm, so that the machine arm cannot shake and fall outwards after being connected, and the firmness after connection is greatly improved.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle frame structure capable of being freely assembled.
Background
The unmanned plane is called unmanned plane for short, and is an unmanned plane operated by radio remote control equipment and a self-contained program control device. The machine has no cockpit, but is provided with an automatic pilot, a program control device and other equipment. The personnel on the ground, the naval vessel or the mother aircraft remote control station can track, position, remotely control, telemeter and digitally transmit the personnel through equipment such as a radar.
For example, a patent with application number 201920561005.X discloses a freely-assembled unmanned aerial vehicle frame structure, which comprises an assembly kit and a plurality of rotors, wherein the assembly kit comprises a plurality of connecting rods and a plurality of connecting pieces, two adjacent connecting pieces are assembled and connected through the connecting rods, the connecting rods and the connecting pieces are freely assembled to form a frame structure with a plurality of forms, the frame structure is provided with mounting holes corresponding to the rotors, the rotors are respectively and correspondingly mounted in the mounting holes, and the assembly is free and flexible through the connecting mode of the connecting pieces and the connecting rods, and racks with a plurality of forms can be assembled; the utility model discloses an unmanned aerial vehicle can assemble according to student's idea, and the free choice frame equipment external member can assemble various many rotor formula unmanned aerial vehicle, can also assemble the unmanned aerial vehicle that realizes the sea, land and air function change, can assemble deformation even and form the frame construction of robot, can effectively arouse student's interest, keeps the enthusiasm that the student worked for a long time.
Based on the above, most of the existing unmanned aerial vehicle frames are fixed frames, so that the number of connected rotor wing groups is also fixed, the weight of the load can be limited, the load is difficult to change according to the use requirement, and although some frames can be assembled in a diversified manner, the frames are connected after being spliced through common round rods, and the overall firmness is poor and easy to loosen after connection; therefore, the existing requirements are not met, and the unmanned aerial vehicle frame structure capable of being freely assembled is provided for the existing requirements.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle frame structure capable of being freely assembled, and aims to solve the problems that most of existing unmanned aerial vehicle frames proposed in the background art are fixed frames, so that the number of connected rotor wing groups is also fixed, the load weight can be limited, the load weight is difficult to change according to the use requirement, and although some unmanned aerial vehicle frames can be assembled in a diversified manner, the frames are connected after being spliced through common round rods, the overall firmness is poor after connection, and the unmanned aerial vehicle frames are easy to loosen.
In order to achieve the purpose, the invention provides the following technical scheme: an unmanned aerial vehicle frame structure capable of being freely assembled comprises an unmanned aerial vehicle main body; the outer side of the unmanned aerial vehicle main body is fixedly and symmetrically connected with four connecting seats in total; the inner sides of the tops of the four connecting seats are provided with a positioning insertion block in a sliding embedded mode; the top of each positioning insertion block is fixedly connected with a positioning pull rod, and the top ends of the positioning pull rods penetrate through the top of the connecting seat and extend upwards; one side of each of the four connecting seats can be fixedly connected with one end of the machine arm; a group of rotor wings are arranged at the top of the other end of each horn; one side of each of the four connecting seats can be fixedly connected with one side of the expansion frame; the outer side of the unmanned aerial vehicle main body is also fixedly and symmetrically provided with eight expansion bracket clamping seats in total; eight expansion frame cardboard is still all installed in the equal slip embedding in outside of expansion frame cassette.
Preferably, one end of the horn is a rectangular block structure, one side of the connecting seat is provided with a square groove with the same size, and one end of the horn can be embedded into the square groove on the inner side of the connecting seat when the horn is installed.
Preferably, the positioning insertion blocks can slide up and down on the inner side of the top of the connecting seat, a spring is further arranged on the outer side of the positioning pull rod and located in a sliding groove in the inner side of the top of the connecting seat, and the spring can push the positioning insertion blocks to slide downwards during use.
Preferably, the top of the rectangular block at one end of the horn is fixedly provided with a rectangular groove with the same size as the cross section of the main body of the positioning insertion block, and when the rectangular block at one side of the horn is embedded into the inner side of the connecting seat and cannot be pushed inwards continuously, the bottom of the positioning insertion block just slides downwards to be embedded into the rectangular groove at the top of the rectangular block at one end of the horn.
Preferably, the inboard of extension frame all is fixed be provided with a rectangular block the same with the rectangular block size of horn one end, and the inboard rectangular block of extension frame also can imbed in the inboard square groove of connecting seat, and the outside of extension frame all is fixed the symmetry and is provided with two square seats the same with connecting seat size and structure, horn one end also can with these square seat fixed connection.
Preferably, the extension frame is all installed outside the unmanned aerial vehicle main part back, and eight horn that eight square seats and square seat connection in the four extension frame outsides can be the annular equidistance and arrange.
Preferably, one side of extension frame cassette all is provided with a rectangular channel that can be with extension frame both ends embedding, and the extension frame cardboard passes through the lug and the inboard guide slot cooperation in extension frame cassette top of top and bottom, and the extension frame cardboard can slide in extension frame cassette inboard, and extension frame cardboard one side still seven guide arms of equal fixedly connected with, the outside of these seven guide arms is all fixed and is provided with a spring, and the spring can promote the extension frame cardboard and slide and seal the rectangular channel outside of extension frame cassette one side.
Preferably, the rectangular block one side of horn one end and the inboard rectangular block one side of extension frame all fix the symmetry and be provided with two electrically conductive plush coppers, the inside square seat inside and the extension frame outside of connecting seat all fix the symmetry and be provided with two electrically conductive slots that correspond.
Compared with the prior art, the invention has the beneficial effects that:
first, when unmanned aerial vehicle needs the weight of load lower, get four horn earlier, then insert the one end of these four horn area rectangular blocks respectively in the square groove of four connecting seats one sides, with connecting seat and horn locking, can be in four rotor of unmanned aerial vehicle main part outside fixed connection group like this, user demand when can accord with low load, when unmanned aerial vehicle needs the weight of load higher, get four expansion frame earlier and install in the unmanned aerial vehicle main part outside, get eight horn again and with these eight horn and four eight square seat fixed connection that expand the frame outside can, just so can be the unmanned aerial vehicle main part outside and be the ring arrangement and connect eight rotor of group, thereby user demand when according with the high load, this device can provide two kinds of different combination forms, the convenient load to the different situation is used in the cooperation.
Secondly, when the device is used for installing the extension frame, the extension frame clamping plates on the outer sides of the two extension frame clamping seats on each side are pulled outwards firstly, then the rectangular blocks on the inner sides of the extension frames are embedded with the square grooves on the inner sides of the connecting seats, the two ends of each extension frame are embedded into the rectangular grooves on one side of each extension frame clamping seat, then the extension frame clamping plates are loosened, so that the extension frame can be fixed on the outer side of the unmanned aerial vehicle main body, the connection is firmer, when the arm is installed, one end of the arm with the rectangular blocks is respectively inserted into the rectangular grooves on one side of the four connecting seats, in the process, the top of the rectangular block at one end of the arm is firstly contacted with the inclined plane on one side of the bottom of the positioning insertion block, the positioning insertion block is pushed to slide upwards, then when the rectangular block on one side of the arm cannot be pushed inwards, the bottom of the positioning insertion block is pushed downwards to, after the connecting seat is connected with the horn, after the connecting seat is connected with the extension frame and the extension frame is connected with the horn, the connecting seat can be locked through the positioning insertion block, so that the horn can not shake after connection, and can not fall off outwards, and the firmness after connection is greatly improved.
Drawings
FIG. 1 is a schematic side view of the low load assembled axle of the present invention;
FIG. 2 is a schematic side view of the present invention with a low load split and partially cut;
FIG. 3 is a schematic side view of the assembled high load axle configuration of the present invention;
FIG. 4 is a schematic side view of the present invention with a high load split and partially cut;
FIG. 5 is a schematic side view of the shaft of the present invention with the boom detached from the expansion frame and partially cut;
FIG. 6 is an enlarged partial view of FIG. 2 at point A;
FIG. 7 is an enlarged partial view of the structure of FIG. 4 at point B;
in the figure: 1. an unmanned aerial vehicle main body; 2. a connecting seat; 3. positioning the pull rod; 4. a horn; 5. a rotor; 6. an expansion bracket clamping seat; 7. an expansion frame clamping plate; 8. positioning the insert block; 9. an expansion frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 7, an embodiment of the present invention includes: an unmanned aerial vehicle frame structure capable of being freely assembled comprises an unmanned aerial vehicle main body 1; the outer side of the unmanned aerial vehicle main body 1 is fixedly and symmetrically connected with four connecting seats 2; the inner sides of the tops of the four connecting seats 2 are respectively provided with a positioning insertion block 8 in a sliding embedded mode; the positioning insertion blocks 8 can slide up and down on the inner side of the top of the connecting seat 2, a spring is further arranged on the outer side of the positioning pull rod 3, the spring is located in a sliding groove on the inner side of the top of the connecting seat 2, the spring can push the positioning insertion blocks 8 to slide down when the unmanned aerial vehicle is used, when the weight of the unmanned aerial vehicle needing to be loaded is low, four machine arms 4 are taken firstly, then one ends of the four machine arms 4 with rectangular blocks are respectively inserted into square grooves on one sides of the four connecting seats 2, in the process, the tops of the rectangular blocks on one ends of the machine arms 4 can firstly contact inclined planes on one sides of the bottoms of the positioning insertion blocks 8, so that the positioning insertion blocks 8 are pushed to slide upwards, then when the rectangular blocks on one sides of the machine arms 4 cannot be pushed inwards continuously, the bottoms of the positioning insertion blocks 8 can be pushed downwards to be embedded into the; the top parts of the positioning insertion blocks 8 are fixedly connected with a positioning pull rod 3, and the top ends of the positioning pull rods 3 penetrate through the top part of the connecting seat 2 and extend upwards; one side of each of the four connecting seats 2 can be fixedly connected with one end of the machine arm 4; two conductive raised heads are fixedly and symmetrically arranged on one side of the rectangular block at one end of the machine arm 4 and one side of the rectangular block on the inner side of the expansion frame 9, two corresponding conductive slots are fixedly and symmetrically arranged in the connecting seat 2 and the square seat on the outer side of the expansion frame 9, circuits are embedded in the inner sides of all the parts during manufacturing, and then the circuits can be connected after being embedded through the conductive raised heads and the conductive slots after all the parts are connected, so that independent connection circuits are not needed, and the use is more convenient; the top of the other end of the horn 4 is provided with a group of rotors 5; one side of each of the four connecting seats 2 can be fixedly connected with one side of the expansion frame 9; after the expansion frames 9 are all installed on the outer side of the unmanned aerial vehicle main body 1, eight square seats on the outer sides of the four expansion frames 9 and eight arms 4 connected with the square seats are arranged in an annular equidistant mode, so that the overall stability after connection can be guaranteed; the outer side of the unmanned aerial vehicle main body 1 is also fixedly and symmetrically provided with eight expansion bracket clamping seats 6; an expansion frame clamping plate 7 is further installed on the outer sides of the eight expansion frame clamping seats 6 in an embedded mode in a sliding mode.
Further, the one end of horn 4 is rectangular block structure, one side of connecting seat 2 all is provided with the same square groove of a size, its one end can imbed in the square groove of 2 inboards of connecting seat when horn 4 installs, when unmanned aerial vehicle needs the weight of load lower, get four horns 4 earlier, then insert the square groove of four connecting seats 2 one sides respectively with the one end of these four horns 4 area rectangular block, thereby with connecting seat 2 and horn 4 locking, can be in four rotors of 1 outside fixed connection of unmanned aerial vehicle main part 5 of group like this, user demand when can accord with the low load.
Furthermore, the top of the rectangular block at one end of the horn 4 is fixedly provided with a rectangular groove with the same size as the cross section of the main body part of the positioning insertion block 8, and when the rectangular block at one side of the horn 4 is embedded into the inner side of the connecting seat 2 and cannot be pushed inwards continuously, the bottom of the positioning insertion block 8 can be just downwards slid and embedded into the rectangular groove at the top of the rectangular block at one end of the horn 4, when the unmanned aerial vehicle needs to be loaded with a low weight, four horns 4 are taken firstly, then one ends of the four horns 4 with the rectangular blocks are respectively inserted into the rectangular grooves at one sides of the four connecting seats 2, the top of the rectangular block at one end of the horn 4 firstly contacts with the inclined plane at one side of the bottom of the positioning insertion block 8 in the process, so as to push the positioning insertion block 8 to slide upwards, then when the rectangular block at one side of the horn 4 cannot be pushed inwards continuously, the bottom of the positioning insertion block, thereby locking the connecting socket 2 with the horn 4.
Further, the inboard of extension frame 9 is all fixed be provided with one with the same rectangular block of the rectangular block size of 4 one ends of horn, the inboard rectangular block of extension frame 9 also can imbed in the square groove of 2 inboards of connecting seat, the equal fixed symmetry in the outside of extension frame 9 is provided with two and the square seat that 2 sizes of connecting seat and structure are the same, 4 one ends of horn also can with these square seat fixed connection, when unmanned aerial vehicle needs the weight of load higher, get four extension frames 9 earlier and install in the 1 outside of unmanned aerial vehicle main part, get eight horns 4 again and with these eight horns 4 and the eight square seat fixed connection in the 9 outsides of four extension frames can, just so can be the unmanned aerial vehicle main part 1 outside and be eight groups of rotor 5 of ring array connection, thereby the user demand when according with the high load.
Furthermore, one side of the expansion frame clamping seat 6 is provided with a rectangular groove which can embed the two ends of the expansion frame 9, the expansion frame clamping plate 7 is matched with a guide groove at the inner side of the top of the expansion frame clamping seat 6 through a convex block at the top and a convex block at the bottom, the expansion frame clamping plate 7 can slide at the inner side of the expansion frame clamping seat 6, one side of the expansion frame clamping plate 7 is fixedly connected with seven guide rods, the outer sides of the seven guide rods are fixedly provided with a spring which can push the expansion frame clamping plate 7 to slide to seal the outer side of the rectangular groove at one side of the expansion frame clamping seat 6, when the expansion frame 9 is installed, the expansion frame clamping plates 7 at the outer sides of the two expansion frame clamping seats 6 at each side are pulled outwards firstly, then the rectangular blocks at the inner sides of the expansion frames 9 are embedded with the rectangular grooves at the inner sides of the connecting seats 2, the two ends of the expansion frames 9, just so can fix extension frame 9 in the unmanned aerial vehicle main part 1 outside, it is more firm after connecting.
The working principle is as follows: when the unmanned aerial vehicle is used, when the weight of the unmanned aerial vehicle required load is low, firstly, four arms 4 are taken, then one ends of the four arms 4 with rectangular blocks are respectively inserted into the rectangular grooves on one sides of the four connecting seats 2, in the process, the top of the rectangular block at one end of each arm 4 is firstly contacted with the inclined plane on one side of the bottom of each positioning insertion block 8, so that the positioning insertion blocks 8 are pushed to slide upwards, then when the rectangular block on one side of each arm 4 cannot be pushed inwards continuously, the bottom of each positioning insertion block 8 is pushed by a spring to slide downwards and be embedded into the rectangular groove on the top of the rectangular block, so that the connecting seats 2 and the arms 4 are locked, four groups of rotors 5 can be fixedly connected on the outer side of the unmanned aerial vehicle main body 1, the use requirement in low load can be met, only the positioning insertion blocks 8 need to be pulled upwards through the positioning pull rods 3 and the arms 4 need to be pulled outwards when the weight of the, firstly, four expansion frames 9 are taken to be installed on the outer side of an unmanned aerial vehicle main body 1, expansion frame clamping plates 7 on the outer sides of two expansion frame clamping seats 6 on each side are pulled outwards firstly during installation, then rectangular blocks on the inner sides of the expansion frames 9 are embedded into square grooves on the inner sides of connecting seats 2, two ends of each expansion frame 9 are embedded into the rectangular grooves on one sides of the expansion frame clamping seats 6, then the expansion frame clamping plates 7 are loosened, the expansion frames 9 can be fixed on the outer side of the unmanned aerial vehicle main body 1, then eight engine arms 4 are taken and fixedly connected with eight square seats on the outer sides of the four expansion frames 9, and therefore eight groups of rotors 5 can be connected on the outer side of the unmanned aerial vehicle main body 1 in an annular arrangement mode, so that the use requirements during high load are met, the device can provide two different combination forms, the device is convenient to be used in a load matching mode aiming at different conditions, and the connecting, After the connecting seat 2 is connected with the extension frame 9 and the extension frame 9 is connected with the horn 4, the horn 4 can be locked by the positioning insertion block 8, so that the connecting horn 4 cannot shake and fall off, and the firmness after connection is greatly improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides an unmanned aerial vehicle frame construction that can freely assemble, its characterized in that: comprises an unmanned aerial vehicle main body (1); the outer side of the unmanned aerial vehicle main body (1) is fixedly and symmetrically connected with four connecting seats (2); the inner sides of the tops of the four connecting seats (2) are respectively provided with a positioning insertion block (8) in a sliding embedded mode; the top parts of the positioning insertion blocks (8) are fixedly connected with a positioning pull rod (3), and the top ends of the positioning pull rods (3) penetrate through the top parts of the connecting seats (2) and extend upwards; one sides of the four connecting seats (2) can be fixedly connected with one end of the machine arm (4); the top of the other end of each horn (4) is provided with a group of rotors (5); one side of each of the four connecting seats (2) can be fixedly connected with one side of an expansion frame (9); the outer side of the unmanned aerial vehicle main body (1) is also fixedly and symmetrically provided with eight expansion bracket clamping seats (6); the outer sides of the eight expansion frame clamping seats (6) are also provided with an expansion frame clamping plate (7) in an embedded mode in a sliding mode.
2. The unmanned aerial vehicle frame construction that can freely assemble of claim 1, its characterized in that: one end of the horn (4) is of a rectangular block structure, one side of the connecting seat (2) is provided with a square groove with the same size, and one end of the horn (4) can be embedded into the square groove on the inner side of the connecting seat (2) when the horn is installed.
3. The unmanned aerial vehicle frame construction that can freely assemble of claim 1, its characterized in that: the positioning insertion block (8) can slide up and down on the inner side of the top of the connecting seat (2), a spring is further arranged on the outer side of the positioning pull rod (3), the spring is located in a sliding groove in the inner side of the top of the connecting seat (2), and the spring can push the positioning insertion block (8) to slide downwards during use.
4. The unmanned aerial vehicle frame construction that can freely assemble of claim 1, its characterized in that: the rectangular block top of horn (4) one end all is fixed to be provided with one and fixes a position the rectangular channel that inserts the block (8) main part cross section size the same, and when the rectangular block embedding connecting seat (2) inboard of horn (4) one side can not continue inwards to promote, fixes a position and inserts the block (8) bottom and can slide downwards just and imbed in the rectangular channel at the rectangular block top of horn (4) one end.
5. The unmanned aerial vehicle frame construction that can freely assemble of claim 1, its characterized in that: the inboard of extension frame (9) is all fixed be provided with one with the rectangle piece that the size of the rectangle piece of horn (4) one end is the same rectangular block, in the inboard rectangular block of extension frame (9) also can imbed the inboard square groove of connecting seat (2), the outside of extension frame (9) is all fixed the symmetry and is provided with two square seats the same with connecting seat (2) size and structure, horn (4) one end also can with these square seat fixed connection.
6. The unmanned aerial vehicle frame construction that can freely assemble of claim 1, its characterized in that: expansion frame (9) are all installed behind unmanned aerial vehicle main part (1) outside, and eight horn (4) that eight square seats and the square seat in four expansion frame (9) outsides are connected can be the annular equidistance and arrange.
7. The unmanned aerial vehicle frame construction that can freely assemble of claim 1, its characterized in that: one side of extension frame cassette (6) all is provided with a rectangular channel that can be with extension frame (9) both ends embedding, extension frame cardboard (7) are through the lug of top and bottom and the inboard guide slot cooperation in extension frame cassette (6) top, and extension frame cardboard (7) can be in extension frame cassette (6) inboard slip, and extension frame cardboard (7) one side is seven guide arms of equal fixedly connected with still, the outside of these seven guide arms is all fixed and is provided with a spring, the spring can promote the extension frame cardboard (7) and slide and seal the rectangular channel outside of extension frame cassette (6) one side.
8. The unmanned aerial vehicle frame construction that can freely assemble of claim 1, its characterized in that: the rectangular block one side of horn (4) one end and the inboard rectangular block one side of extension frame (9) all fix the symmetry and are provided with two electrically conductive plush coppers, and the square seat inside and the extension frame (9) outside in connecting seat (2) is inside all to fix the symmetry and is provided with two electrically conductive slots that correspond.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665781A (en) * | 2021-09-23 | 2021-11-19 | 上海海事大学 | Many rotor unmanned aerial vehicle structure of adjustable lift |
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| CN113665781B (en) * | 2021-09-23 | 2024-05-07 | 上海海事大学 | Multi-rotor unmanned aerial vehicle structure with adjustable lift force |
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