CN220430586U

CN220430586U - Automatic positioning and oar retracting mechanism of rotorcraft

Info

Publication number: CN220430586U
Application number: CN202321782435.7U
Authority: CN
Inventors: 张兵; 刘琼华; 张光旭
Original assignee: Guangdong Hongyuan Intelligent Technology Co ltd
Current assignee: Guangdong Hongyuan Intelligent Technology Co ltd
Priority date: 2023-07-08
Filing date: 2023-07-08
Publication date: 2024-02-02
Anticipated expiration: 2033-07-08

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an automatic positioning and pitch-withdrawing mechanism of a rotorcraft, which comprises the following components: the platform is arranged in the charging box and used for providing a parking position of the unmanned aerial vehicle; the clamping assembly is arranged on the platform and used for clamping and fixing the parked unmanned aerial vehicle; the utility model realizes the design of automatically abutting the swing rod in the process of positioning the unmanned aerial vehicle by the clamping rod, and has the advantages of linkage type design, higher action accuracy and lower manufacturing cost; simultaneously, adopt the design of four clamp levers for guarantee to carry out synchronous centre gripping to unmanned aerial vehicle, with the top middle part of guaranteeing to fix a position unmanned aerial vehicle at the platform, afterwards, by the driving force drive pendulum rod that clamp lever removal process produced, in order to realize fixing a position the paddle on the unmanned aerial vehicle and draw in, in order to avoid the paddle protrusion in the outside of platform, appear striking the problem of damaging when descending.

Description

Automatic positioning and oar retracting mechanism of rotorcraft

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an automatic positioning and pitch-withdrawing mechanism of a rotorcraft.

Background

The ability of endurance is one of the important performance index of unmanned aerial vehicle, after unmanned aerial vehicle works for a long time, generally need change the battery in order to guarantee unmanned aerial vehicle ability of endurance, at present in order to realize the convenient change to unmanned aerial vehicle battery, adopts movable battery replacement equipment, and an unmanned aerial vehicle is independently charged and change battery device like that disclosed in chinese patent publication No. "CN112009295a", includes: the unmanned aerial vehicle landing platform comprises an antenna receiver for carrying out data connection with the unmanned aerial vehicle and a parking platform for the unmanned aerial vehicle to park; the battery replacing manipulator is used for replacing batteries of the unmanned aerial vehicle parked on the parking platform; and the battery charging platform is used for carrying out charging treatment on the battery.

Because unmanned aerial vehicle parks on the platform after, the stop of its paddle is random, consequently probably appears unmanned aerial vehicle paddle protrusion in the problem of platform avris, and at the in-process that follow-up platform descends, convex paddle is very easy inconsistent with the inner wall of charging box, so very easily shines into unmanned aerial vehicle paddle's damage, based on this, we propose a rotorcraft's automatic positioning and take-up oar mechanism.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an automatic positioning and pitch-withdrawing mechanism of a rotorcraft.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an automatic positioning and retracting mechanism for a rotorcraft is designed, comprising:

the platform is arranged in the charging box and used for providing a parking position of the unmanned aerial vehicle;

the clamping assembly is arranged on the platform and used for clamping and fixing the parked unmanned aerial vehicle;

the pulp collecting assembly is provided with a plurality of pulp collecting assemblies, the pulp collecting assemblies are respectively located on the side sides of the platform, wherein each pulp collecting assembly at least comprises a swing rod, and when the clamping assembly moves, the swing rods can be driven to rotate.

Further, the clamping assembly comprises four clamping rods, the four clamping rods slide relatively in pairs, the sliding directions of the clamping rods in the two groups are perpendicular, and a driving assembly for driving the four clamping rods to move is further arranged at the bottom of the platform.

Further, the driving assembly comprises a fixing frame fixed at the bottom of the platform, belt wheels are rotatably connected in the fixing frame, and four belt wheels are sequentially transmitted through a synchronous belt;

the two sides of the synchronous belt are fixedly provided with clamping seats, two clamping seats on the same synchronous belt are connected with two clamping rods in a group, and any one belt wheel is connected with a driving piece.

Further, an abutting piece is arranged on the side edge of the clamping rod and used for abutting against the swing rod.

Further, the abutting piece comprises an abutting rod, and a roller is rotatably connected to the free end of the abutting rod;

one side of the swing rod is also provided with an eccentric rod, the bottom of the platform is provided with a connecting sheet, and an elastic piece is arranged between the eccentric rod and the connecting sheet.

Further, the elastic piece is a tension spring, the end faces of the eccentric rod and the connecting piece are provided with through holes, and two ends of the tension spring are provided with hook parts which are clamped in the two through holes.

Further, the clamping device further comprises at least one limiting assembly, wherein the limiting assembly is used for detecting the moving position of the clamping assembly.

Further, the limiting assembly comprises a guide rail fixed at the bottom of the platform, two mounting seats are arranged on the guide rail, and detection pieces are arranged on the two mounting seats.

Further, the detecting piece is a travel switch.

Further, the mounting seat is slidably connected with the guide rail, and a bolt for locking the mounting seat is arranged on the mounting seat.

The automatic positioning and collecting mechanism of the rotorcraft provided by the utility model has the beneficial effects that:

according to the utility model, the design of automatically abutting the swing rod is realized in the process of positioning the clamping rod on the unmanned aerial vehicle, the linkage type design is realized, the action accuracy is higher, and the manufacturing cost is lower;

simultaneously, adopt the design of four clamp levers for guarantee to carry out synchronous centre gripping to unmanned aerial vehicle, with the top middle part of guaranteeing to fix a position unmanned aerial vehicle at the platform, afterwards, by the driving force drive pendulum rod that clamp lever removal process produced, in order to realize fixing a position the paddle on the unmanned aerial vehicle and draw in, in order to avoid the paddle protrusion in the outside of platform, appear striking the problem of damaging when descending.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is an enlarged schematic view of the area A of FIG. 2;

FIG. 4 is an enlarged schematic view of the area B of FIG. 2;

fig. 5 is a perspective view of the present utility model.

In the figure: 1. a platform; 11. a connecting sheet; 2. a clamping assembly; 21. a clamping rod; 22. a fixing frame; 23. a belt wheel; 24. a synchronous belt; 25. a clamping seat; 26. a touch-up rod; 27. a roller; 3. a pulp collecting assembly; 31. swing rod; 32. an eccentric rod; 33. an elastic member; 4. a limit component; 41. a guide rail; 42. a mounting base; 43. and a detecting piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, an embodiment of the present utility model discloses an automatic positioning and pitch-retracting mechanism of a rotorcraft, the pitch-retracting mechanism comprises a platform 1 for being placed in a charging box for providing a docking position for the unmanned aerial vehicle, and in particular, the platform 1 has a rectangular structure in the embodiment;

the clamping assembly 2 is arranged on the platform 1 and is used for clamping and fixing the parked unmanned aerial vehicle;

the device further comprises a pulp collecting assembly 3, wherein the pulp collecting assembly 3 is provided with a plurality of pulp collecting assemblies 3, the pulp collecting assemblies 3 are respectively positioned on the side sides of the platform 1, the pulp collecting assembly 3 at least comprises a swinging rod 31, and when the clamping assembly 2 moves, the swinging rod 31 can be driven to rotate.

In some embodiments, the clamping assembly 2 includes four clamping bars 21, the clamping bars 21 are in a U-shaped structure, the four clamping bars 21 slide relatively in pairs, a clamping space is defined between the four clamping bars 21, and sliding directions of the clamping bars 21 in the two pairs are perpendicular, wherein a driving assembly for driving the four clamping bars 21 to move is further disposed at the bottom of the platform 1.

In summary, in the embodiment of the utility model, after the unmanned aerial vehicle is stopped on the platform 1, the four clamping rods 21 mutually move to realize clamping and fixing of the supporting legs of the unmanned aerial vehicle, and meanwhile, as the four clamping rods are in a group and slide relatively, the unmanned aerial vehicle can be ensured to be positioned above the platform centrally, so that the problem that the unmanned aerial vehicle impacts the inner wall of the charging box when the unmanned aerial vehicle is deflected on the platform 1 to descend after clamping is avoided.

In addition, on the basis of the above embodiment, the driving assembly in this embodiment includes a fixing frame 22 fixed at the bottom of the platform 1, the fixing frame 22 has a U-shaped structure, a belt wheel 23 is rotatably connected in the fixing frame 22, the belt wheel 23 is connected with the fixing frame 22 through a rotating shaft, two belt wheels are disposed on each rotating shaft so as to facilitate transmission, and four belt wheels 23 are sequentially transmitted through a synchronous belt 24;

the clamping seats 25 are fixedly arranged on two side edges of the synchronous belt 24, two clamping seats 25 on the same synchronous belt 24 are connected with two clamping rods 21 in a group, and any one belt wheel 23 is connected with a driving piece.

Specifically, in this embodiment, the four synchronous belts 24 rotate, and since two clamping seats 25 are disposed on each synchronous belt 24, when the synchronous wheels 24 rotate, the two clamping seats 25 on the same synchronous belt 24 move in opposite directions or in opposite directions, and two ends of the clamping rod 21 are respectively fixed on the two clamping seats 25 on two sides, so that when the clamping seats 25 move, all the clamping rods 21 simultaneously act to clamp and fix the unmanned aerial vehicle.

That is, in the present embodiment, a contact piece for contacting the swing link 31 is provided at the side of the clamp lever 21.

Illustratively, the above-mentioned interference member includes an abutment rod 26, the abutment rod 26 is fastened to one side of the clamping rod 21 by a bolt, and a roller 27 is rotatably connected to a free end of the abutment rod 26;

one side of the swing rod 31 is further provided with an eccentric rod 32, the bottom of the platform 1 is provided with a connecting sheet 11, and an elastic piece 33 is arranged between the eccentric rod 32 and the connecting sheet 11.

On the basis of the above embodiment, in this embodiment, the elastic member 33 is a tension spring, the end surfaces of the eccentric rod 32 and the connecting piece 11 are provided with through holes, and both ends of the tension spring are provided with hooks which are clamped in the two through holes.

Specifically, when the unmanned aerial vehicle is stopped on the platform 1, the rotation of the blade is stopped at this moment, and because the blade has no fixed stop position after stopping, the side of the blade may protrude out of the side of the platform at this moment, in order to avoid collision of the blade on the inner wall of the charging box in the process of descending the platform 1, the clamping rod 21 is designed to move along with the clamping seat 24, at this moment, the three collision rods 26 of the clamping rod 21 drive the rollers 27 to collide with the swing rod 31 to rotate, and when the swing rod 31 rotates upwards, if the side of the blade protrudes out of the side of the platform 1 at this moment, the swing rod 31 can realize stirring of the blade so as to push the blade right above the platform 1, thus realizing positioning and folding of the blade;

in addition, the utility model further comprises at least one limiting assembly 4, wherein the limiting assembly 4 is used for detecting the moving position of the clamping assembly 2.

In some embodiments, the limiting assembly 4 includes a guide rail 41 fixed to the bottom of the platform 1, two mounting seats 42 are disposed on the guide rail 41, and detection members 43 are disposed on both the mounting seats 42, specifically, in the embodiment of the present utility model, the detection members 43 are travel switches.

Further, in the present utility model, the mount 42 is slidably connected to the guide rail 41, and a bolt for locking the mount 42 is provided on the mount 42.

That is, in the embodiment of the present utility model, the travel switch is used to detect the moving position of the clamping seat 24, so as to position the maximum moving position and the reset position of the clamping seat 24, so that the problem that the two clamping rods 21 collide due to the overlarge moving distance of the two clamping seats 24 is effectively avoided, and the whole mechanism is simple and the installability is high.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An automatic positioning and retracting mechanism for a rotorcraft, comprising:

a platform (1) arranged in the charging box and used for providing a parking position of the unmanned aerial vehicle;

the clamping assembly (2) is arranged on the platform (1) and is used for clamping and fixing the parked unmanned aerial vehicle;

the pulp collecting assembly (3) is provided with a plurality of pulp collecting assemblies (3) which are respectively positioned at each side of the platform (1), wherein the pulp collecting assembly (3) at least comprises a swinging rod (31), and when the clamping assembly (2) moves, the swinging rod (31) can be driven to rotate.

2. An automatic positioning and retracting mechanism for a rotary-wing aircraft according to claim 1, wherein: the clamping assembly (2) comprises four clamping rods (21), the four clamping rods (21) slide relatively in pairs, the sliding directions of the clamping rods (21) in the two pairs are perpendicular, and a driving assembly for driving the four clamping rods (21) to move is further arranged at the bottom of the platform (1).

3. An automatic positioning and retracting mechanism for a rotary-wing aircraft according to claim 2, wherein: the driving assembly comprises a fixing frame (22) fixed at the bottom of the platform (1), belt wheels (23) are rotationally connected to the fixing frame (22), and four belt wheels (23) are sequentially driven by a synchronous belt (24);

the two sides of the synchronous belt (24) are fixedly provided with clamping seats (25), the two clamping seats (25) on the same synchronous belt (24) are connected with two clamping rods (21) in a group, and any belt wheel (23) is connected with a driving piece.

4. A rotorcraft automatic positioning and retracting mechanism according to claim 3, wherein: the side of the clamping rod (21) is provided with a collision piece which is used for being in collision with the swing rod (31).

5. The automatic positioning and retracting mechanism for a rotary-wing aircraft according to claim 4, wherein: the abutting piece comprises an abutting rod (26), and a roller (27) is rotatably connected to the free end of the abutting rod (26);

one side of the swing rod (31) is further provided with an eccentric rod (32), the bottom of the platform (1) is provided with a connecting sheet (11), and an elastic piece (33) is arranged between the eccentric rod (32) and the connecting sheet (11).

6. The automatic positioning and retracting mechanism for a rotary-wing aircraft according to claim 5, wherein: the elastic piece (33) is a tension spring, the end surfaces of the eccentric rod (32) and the connecting piece (11) are provided with through holes, and the two ends of the tension spring are provided with hook parts which are clamped in the two through holes.

7. An automatic positioning and feathering mechanism for a rotorcraft according to any one of claims 1 to 6, wherein: the clamping device further comprises at least one limiting assembly (4), wherein the limiting assembly (4) is used for detecting the moving position of the clamping assembly (2).

8. The automatic positioning and retracting mechanism for a rotary-wing aircraft according to claim 7, wherein: the limiting assembly (4) comprises a guide rail (41) fixed at the bottom of the platform (1), two mounting seats (42) are arranged on the guide rail (41), and detection pieces (43) are arranged on the two mounting seats (42).

9. The automatic positioning and retracting mechanism for a rotary-wing aircraft according to claim 8, wherein: the detecting piece (43) is a travel switch.

10. The automatic positioning and retracting mechanism for a rotary-wing aircraft according to claim 8, wherein: the mounting seat (42) is in sliding connection with the guide rail (41), and a bolt for locking the mounting seat (42) is arranged on the mounting seat.