CN217754115U - Airborne retraction jack for unmanned aerial vehicle - Google Patents

Abstract

The utility model discloses an airborne picking and laying mechanism for unmanned aerial vehicle, which comprises a winding drum device, a winding displacement device of automatic winding displacement fixed on the winding drum device, a positioning device arranged on the winding drum device, a fixed winding drum device, a positioning device and a fixing device of the unmanned aerial vehicle, wherein the positioning device comprises a position limiter and a positioner; the utility model solves the problems of the prior art that the load capacity and the length of the lifting rope are limited, and the winding and unwinding speed of the lifting rope can not be adjusted without protective measures; the utility model discloses do simply, the security is high, and the big weight goods and materials that can relax within 20Kg are carried, and the reel is capacious, can accomodate 30 meters lifting rope at most, still has automatic winding displacement, can adjust the speed at any time as required, can the automatic shutdown after the lifting rope reachs the length of transferring the settlement, at the receipts line in-process, by the dual fail-safe that locator and stopper are constituteed, can guarantee the absolute safety that the device used.

Description

Airborne retraction jack for unmanned aerial vehicle

Technical Field

The utility model relates to a jack technical field especially relates to an airborne jack for unmanned aerial vehicle.

Background

The existing airborne radio and cassette mechanism for the unmanned aerial vehicle has single function, can only realize simple transportation and release of some light weight materials, and has the following defects in use: firstly, the load capacity of the retracting mechanism is not enough, and the load capacity of most of the retracting mechanisms in use is below 5Kg at present, so that the retracting mechanism is not suitable for conveying heavy goods. Secondly, the length of the lifting rope is limited, the existing take-up length is basically within 15 meters, and the lifting rope is not suitable for material throwing in special occasions. Thirdly, the winding and unwinding speed of the lifting rope cannot be adjusted, and the speed cannot be adjusted and controlled at any time according to requirements. Fourthly, the minimum safe distance that the lifting rope receive and releases can not be set for, unwrapping wire length does not have spacingly, probably leads to damaging the device to influence unmanned aerial vehicle's flight safety. Thus, there is still a need for improvement in these areas.

The patent of publication No. CN214733433U discloses a novel full-automatic tension winding device of mooring unmanned aerial vehicle, relates to unmanned aerial vehicle flight field. The structure of the utility model comprises a device frame, a wire arranging device, a winding device and a tension control device; a winding displacement arm is arranged above the device rack, a threading hole is formed in the winding displacement arm, the winding displacement arm is connected with a slide rail through a lead screw, the slide rail is assembled on the rack, one side of the slide rail is connected with a stepping motor, and a synchronous belt pulley on one side of an encoder is connected with a circular synchronous belt pulley on one side of a winding drum through a circular synchronous belt; the winding device comprises a winding drum, a threading pipe and a conductive slip ring, the winding drum is connected with the circular synchronous belt wheel through a main shaft, the winding and unwinding speed of the lifting rope cannot be adjusted, the speed cannot be adjusted and controlled according to requirements at any time, the minimum safety distance for winding and unwinding the lifting rope cannot be set, the paying-off length is not limited, and the device is possibly damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned unmanned aerial vehicle jack not enough in the technique, provide an airborne jack for unmanned aerial vehicle.

The utility model adopts the technical proposal that:

an airborne winding and unwinding mechanism for an unmanned aerial vehicle comprises a winding drum device, a winding displacement device fixed on the winding drum device and used for automatically winding a wire, a positioning device arranged on the winding drum device, a winding drum fixing device, a positioning device and a fixing device of the unmanned aerial vehicle, wherein the winding drum device is fixed on the winding drum device;

the winding drum device comprises a winding drum, a lifting rope with the tail end connected with the winding drum, a left winding drum inner cover and a right winding drum inner cover which are respectively sleeved on the left side and the right side of the winding drum, a winding drum input shaft penetrating through the circle center position of the winding drum, and a motor connected with one end of the winding drum input shaft, wherein the motor drives the winding drum to rotate through the winding drum input shaft, and the left winding drum inner cover and the right winding drum inner cover do not rotate;

the wire arranging device comprises a twist shaft sleeve, a twist shaft and a wire arranging device, wherein two ends of the twist shaft are respectively fixed on the edges of the left inner cover of the drum and the right inner cover of the winding drum;

the positioning device comprises a limiter which is arranged below the winding drum and is used for cutting off the contact of articles and a positioner which is fixed beside the winding drum device, the positioner is connected with the twist shaft to confirm the winding and unwinding positions of the lifting ropes, and the positioner controls the rotation of the motor.

Further, the winding drum device further comprises a winding drum connecting column I, a winding drum connecting column II, a winding drum left end cover, a winding drum right end cover, a bearing I and a bearing II, wherein the winding drum connecting column I and the winding drum connecting column II penetrate through the winding drum left inner cover and the winding drum right inner cover edge, the winding drum left end cover and the winding drum right end cover are sleeved on the winding drum left inner cover and the winding drum right inner cover and penetrate through the winding drum connecting column I and the winding drum connecting column II, the winding drum right end cover penetrates through the winding drum input shaft sleeve through the bearing I and is sleeved on the winding drum right inner cover, and the winding drum left end cover penetrates through the winding drum input shaft sleeve through the deep groove ball bearing II and is covered on the winding drum left inner cover.

Further, the motor has the brush motor for the direct current, for the reel provides the power supply, and internal gear is the worm gear structure, has self-locking function.

Furthermore, one end of the winding drum input shaft is provided with a winding drum shaft gear, and the winding drum input shaft is sleeved with a connecting shaft sleeve.

Further, the winding displacement device also comprises a winding displacement gear shaft, a winding displacement gear wheel arranged at one end of the winding displacement gear shaft and a twist shaft gear arranged on a twist shaft, wherein the twist shaft gear is meshed with the winding displacement gear wheel.

Furthermore, the twist shaft is meshed with the wire arranging large gear through the drum shaft gear to rotate along with the drum input shaft to drive the wire arranging device to move back and forth on the twist shaft sleeve.

Further, positioner still includes potentiometre fixed end cover, locator gear shaft, bearing three, the big straight-teeth gear of locator, straight-teeth gear one, straight-teeth gear two, straight-teeth gear three, the potentiometre fixed end cover passes the reel input shaft cover through bearing three and is covered on the reel left end, the big straight-teeth gear of locator is located potentiometre fixed end cover and is connected with the locator, straight-teeth gear one and straight-teeth gear two are located the locator gear shaft, straight-teeth gear three is located the reel input shaft, straight-teeth gear three and straight-teeth gear one meshing, straight-teeth gear two and locator gear shaft meshing.

Further, the positioner is connected with the twist shaft through the meshing of the gear on the positioner gear shaft and the gear on the traverse unit gear shaft, so as to confirm the winding and unwinding positions of the lifting rope.

Further, the stopper comprises a U-shaped ring and a limit switch at the root of the U-shaped ring, the lifting rope penetrates through the U-shaped ring to be connected with an article, and the limit switch can cut off the power supply of the winding drum.

Further, fixing device includes fixed bolster, quick detach board, fixing base and carry the board, the fixed bolster passes through the fixing base to be fixed on the reel device, be equipped with on the fixed bolster and carry the board, fix the bottom load district at unmanned aerial vehicle through the quick detach board.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is simple in operation, high safety, can relax the big weight goods and materials transport within the load 20Kg, the reel is capacious, can accomodate 30 meters lifting rope at most, the goods and materials of some adaptable special occasions are put in, automatic winding displacement still has simultaneously, and can adjust speed at any time as required in the process of putting down, be favorable to improving the accuracy nature of putting in of transferring the goods and materials, can automatic shutdown after the lifting rope reachs the length of transferring the settlement, both can alleviate the intensity of labour of flyer, still the accident that can prevent the damage device appears, at the receipts line in-process, the dual fail-safe who comprises locator and stopper, can guarantee the absolute security that the device used.

Drawings

Fig. 1 is a schematic structural diagram of an onboard radio and cassette mechanism for an unmanned aerial vehicle;

fig. 2 is a schematic view of another perspective structure of an onboard radio mechanism for an unmanned aerial vehicle;

fig. 3 is an exploded view of a portion of an onboard radio for an unmanned aerial vehicle;

fig. 4 is an exploded view of a partial structure from another perspective of an on-board pick and place mechanism for a drone;

fig. 5 is a schematic view of an on-board pick-and-place mechanism for an unmanned aerial vehicle.

In the figure: 1. a motor; 2. a quick release plate; 3. fixing a bracket; 4. a fixed seat; 5. connecting the shaft sleeve; 6. a stopper; 7. a cap nut; 8. a positioner; 9. a potentiometer fixing end cover; 10. a left end cover of the winding drum; 11. a positioner gear shaft; 12. a first straight gear; 13. a third straight gear; 14. a spool shaft gear; 15. a reel; 16. a first bearing; 17. a winding drum right end cover; 18. a traverse gear shaft; 19. a second straight gear; 20. arranging a large gear; 21. A hemp shaft; 22. a wire arrangement device; 23. a twist shaft sleeve; 24. a third bearing; 25. a locator gear wheel; 26. A third bearing; 27. a left inner cover of the winding drum; 28. a first winding drum connecting column; 29. a right inner cover of the winding drum; 30. a twist shaft gear; 31. a reel input shaft, 32 and a reel connecting column II.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below. In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

Referring to fig. 1 to 3, the present invention provides an embodiment of: an airborne retraction jack for an unmanned aerial vehicle comprises a winding drum device, a winding displacement device, a positioning device and a fixing device.

The winding drum 15 device comprises a winding drum 15, a lifting rope with the tail end connected with the winding drum 15, a winding drum left inner cover 27 and a winding drum right inner cover 29 which are respectively sleeved on the left side and the right side of the winding drum 15, a winding drum input shaft 31 penetrating through the circle center position of the winding drum 15, and a motor 1 connected with one end of the winding drum input shaft 31, wherein the motor 1 drives the winding drum 15 to rotate through the winding drum input shaft 31, and the winding drum left inner cover 27 and the winding drum right inner cover 29 do not rotate; the winding drum 15 device further comprises a first winding drum connecting column 28, a second winding drum connecting column 32, a left winding drum end cover 10, a right winding drum end cover 17, a first bearing 16 and a second bearing, wherein the first winding drum connecting column 28 and the second winding drum connecting column 32 penetrate through the edges of a left winding drum inner cover 27 and a right winding drum inner cover 29, the left winding drum end cover 10 and the right winding drum end cover 17 are sleeved on the left winding drum inner cover 27 and the right winding drum inner cover 29 and penetrate through the first winding drum connecting column 28 and the second winding drum connecting column 32, the right winding drum end cover 17 penetrates through a first bearing 16 to be sleeved on a right winding drum inner cover 29 through a winding drum input shaft 31, the left winding drum end cover 10 penetrates through a second deep groove ball bearing 31 to be sleeved on the left winding drum inner cover 27, and the first bearing 16 and the second bearing are connected with the first winding drum connecting column 28, the second winding drum connecting column 32, the left winding drum inner cover 27 and the right winding drum inner cover 29 to form a device for fixing the winding drum 15; one end of the winding drum input shaft 31 is provided with a winding drum shaft gear 14, and the winding drum input shaft 31 is sleeved with a connecting shaft sleeve 5.

The winding displacement device is fixed on the winding drum 15 device and comprises a twist shaft sleeve 23, a twist shaft 21 and a winding displacement device 22, two ends of the twist shaft 21 are respectively fixed at the edges of a left inner cover of the drum and a right inner cover 29 of the winding drum, the twist shaft sleeve 23 is sleeved outside the twist shaft 21, and the winding displacement device 22 is sleeved on the twist shaft 21; the winding displacement device further comprises a winding displacement gear shaft 18, a winding displacement large gear 20 and a twist shaft gear 30, wherein the winding displacement large gear 20 is arranged at one end of the winding displacement gear shaft 18, the twist shaft gear 30 is arranged on a twist shaft 21, the twist shaft gear 30 is meshed with the winding displacement large gear 20, the winding displacement large gear 20 is a double-layer gear, the twist shaft 21 is meshed with the winding displacement large gear 20 through a winding drum shaft gear 14 to rotate along with a winding drum input shaft 31 to drive a winding displacement device 22 to move back and forth on a winding drum sleeve 23, a hanging rope penetrates through a U-shaped ring of the winding displacement device 22, and the hanging rope can regularly move back and forth and uniformly wind on a winding drum 15 under the driving of the winding displacement device 22, so that the situation that the hanging rope is clamped to each other is avoided.

The positioning device is arranged on the winding drum 15 device and comprises a limiting stopper 6 which is arranged below the winding drum 15 and is used for cutting off the contact of articles and a positioning device 8 which is fixed on the side of the winding drum 15 device, and the positioning device 8 controls the rotation of the motor 1;

the positioning device further comprises a potentiometer fixing end cover 9, a positioner gear shaft 11, a bearing III 2624, a positioner 8 large straight gear, a first straight gear 12, a second straight gear 19 and a third straight gear 13, wherein the potentiometer fixing end cover 9 penetrates through a drum input shaft 31 through the bearing III 2624 to be sleeved on a drum left end cover 10 and is fixed through a cover-shaped nut 7, the positioner 8 large straight gear is positioned on the potentiometer fixing end cover 9 and is connected with the positioner 8, the first straight gear 12 and the second straight gear 19 are positioned on the positioner gear shaft 11, the third straight gear 13 is positioned on the drum input shaft 31, the third straight gear 13 is meshed with the first straight gear 12, the second straight gear 19 is meshed with the positioner gear shaft 11, and the positioner 8 is connected with a twist shaft 21 through gear meshing between a gear on the positioner gear shaft 11 and a gear on the traverse gear shaft 18 to confirm the retraction position of the lifting rope;

the stopper 6 includes the limit switch of U type ring and U type ring root, the lifting rope passes the U type ring and is connected with article, limit switch can cut off the 15 power supplies of reel.

The fixing device fixes the winding drum 15 device, the positioning device and the unmanned aerial vehicle.

The specific implementation mode is as follows:

when goods need to be lifted, a flyer sends an instruction by controlling the operation of a remote controller, a motor 1 drives a winding drum 15 to rotate for winding and unwinding wires after receiving the instruction, the motor 1 drives the winding drum 15 to rotate through a winding drum input shaft while the winding drum 15 rotates for winding and unwinding wires, so that a winding drum shaft gear 14 is driven to rotate, the winding drum shaft gear 14 further drives a wire arranging large gear 20 to rotate, and the wire arranging large gear 20 is a double-layer gear, and the other layer of teeth of the wire arranging large gear 20 drives a twist shaft gear 30 to rotate, so that a wire arranging device 22 on a twist shaft 21 is driven to reciprocate left and right, and lifting ropes are uniformly stored on the winding drum 15; meanwhile, the speed increase and decrease of the winding and unwinding of the lifting rope can be realized through remote lever operation on the remote controller. The lifting rope positioning device is a limit protection device of the whole mechanism, and a safety distance with a certain length can be set at two ends of the lifting rope through the positioner 8 so as to avoid the impact of materials on the whole device and the damage of the materials; the motor 1 drives the reel to rotate through the reel input shaft, so as to drive the reel shaft gear 14 to rotate, the reel shaft gear 14 drives the wire arranging gear wheel 20 to rotate, the straight gear wheel 12 coaxial with the wire arranging gear wheel 20 drives the straight gear wheel II 19 to rotate, the straight gear wheel III 13 coaxial with the straight gear wheel II 19 drives the positioner gear wheel 25 to rotate, so that the positioner 8 confirms the winding and unwinding length of the lifting rope on the reel 15, when the winding and unwinding of the lifting rope reach a set position, the positioner 8 can send a signal to the control panel, the control panel sends out a rotation instruction for stopping the motor 1 again, so as to achieve the purpose of protecting the whole device and materials, the limiter 6 plays a secondary protection role when the positioning device fails, the lifting rope can be wound upwards, when the objects touch a U-shaped ring on the limiter 6, the limit switch at the root of the U-shaped ring is triggered, and the power supply of the reel 15 is cut off, so as to avoid the situation that the objects are collided or damage the reel 15, and the protection role is achieved.

Example 2

Referring to fig. 1 to 3, the present invention provides an embodiment of:

an airborne retraction jack for an unmanned aerial vehicle comprises a winding drum device, a winding displacement device, a positioning device and a fixing device.

The winding drum 15 device comprises a winding drum 15, a lifting rope with the tail end connected with the winding drum 15, a winding drum left inner cover 27 and a winding drum right inner cover 29 which are respectively sleeved on the left side and the right side of the winding drum 15, a winding drum input shaft 31 penetrating through the circle center position of the winding drum 15, and a motor 1 connected with one end of the winding drum input shaft 31, wherein the motor 1 drives the winding drum 15 to rotate through the winding drum input shaft 31, and the winding drum left inner cover 27 and the winding drum right inner cover 29 do not rotate; the winding drum 15 device further comprises a winding drum connecting column I28, a winding drum connecting column II 32, a winding drum left end cover 10, a winding drum right end cover 17, a bearing I16 and a bearing II, wherein the winding drum connecting column I28 and the winding drum connecting column II 32 penetrate through the edges of a winding drum left inner cover 27 and a winding drum right inner cover 29, the winding drum left end cover 10 and the winding drum right end cover 17 are sleeved on the winding drum left inner cover 27 and the winding drum right inner cover 29 and penetrate through the winding drum connecting column I28 and the winding drum connecting column II 32, the winding drum right end cover 17 penetrates through a winding drum input shaft 31 through the bearing I16 and is sleeved on the winding drum right inner cover 29, the winding drum left end cover 10 penetrates through a winding drum input shaft 31 through a deep groove ball bearing II and is sleeved on the winding drum left inner cover 27, and the bearing I16, the bearing II, the winding drum connecting column I28, the winding drum connecting column II 32, the winding drum left inner cover 27 and the winding drum right inner cover 29 are connected with one another to form a device for fixing the winding drum 15; one end of the reel input shaft 31 is provided with a reel shaft gear 14, and the reel input shaft 31 is sleeved with a connecting shaft sleeve 5.

Further, motor 1 has brush motor 1 for the direct current, for reel 15 provides the power supply, and internal gear is the worm gear structure, has self-locking function.

The winding displacement device is fixed on the winding drum 15 device and comprises a twist shaft sleeve 23, a twist shaft 21 and a winding displacement device 22, two ends of the twist shaft 21 are respectively fixed on the edges of a left inner cover of the winding drum and a right inner cover 29 of the winding drum, the twist shaft sleeve 23 is sleeved outside the twist shaft 21, and the winding displacement device 22 is sleeved on the twist shaft 21; the winding displacement device still includes winding displacement ware gear shaft 18, establishes the winding displacement gear wheel 20 and the twist shaft gear 30 on the twist axle 21 of winding displacement gear shaft 18 one end, and twist shaft gear 30 and winding displacement gear wheel 20 meshing, and winding displacement gear wheel 20 are double gear, twist axle 21 follows the 31 rotations of reel input shaft through reel shaft gear 14 and winding displacement gear wheel 20 meshing and drives winding displacement ware 22 at the round trip movement of twist axle sleeve pipe 23.

The positioning device is arranged on the winding drum 15 device and comprises a limiting stopper 6 which is arranged below the winding drum 15 and is used for cutting off the contact of articles and a positioning device 8 which is fixed on the side of the winding drum 15 device, and the positioning device 8 controls the rotation of the motor 1;

the positioning device further comprises a potentiometer fixing end cover 9, a positioner gear shaft 11, a bearing third 2624, a positioner 8 large straight gear, a first straight gear 12, a second straight gear 19 and a third straight gear 13, wherein the potentiometer fixing end cover 9 penetrates through a winding drum input shaft 31 through the bearing third 2624 to be sleeved on a winding drum left end cover 10, the positioner 8 large straight gear is positioned on the potentiometer fixing end cover 9 and is connected with the positioner 8, the first straight gear 12 and the second straight gear 19 are positioned on the positioner gear shaft 11, the third straight gear 13 is positioned on the winding drum input shaft 31, the third straight gear 13 is meshed with the first straight gear 12, the second straight gear 19 is meshed with the positioner gear shaft 11, and the positioner 8 is connected with a twist shaft 21 through gear meshing between a gear on the positioner gear shaft 11 and a gear on a wire arranging device gear shaft 18 to confirm the winding and unwinding position of the lifting rope;

the stopper 6 includes the limit switch of U type ring and U type ring root, the lifting rope passes the U type ring and is connected with article, limit switch can cut off the 15 power supplies of reel.

The fixing device fixes the winding drum 15 device, the positioning device and the unmanned aerial vehicle.

Example 3

Referring to fig. 1 to 3, the present invention provides an embodiment of: an airborne retraction jack for an unmanned aerial vehicle comprises a winding drum 15 device, a winding displacement device, a positioning device and a fixing device.

The winding drum 15 device comprises a winding drum 15, a lifting rope with the tail end connected with the winding drum 15, a winding drum left inner cover 27 and a winding drum right inner cover 29 which are respectively sleeved on the left side and the right side of the winding drum 15, a winding drum input shaft 31 penetrating through the circle center position of the winding drum 15, and a motor 1 connected with one end of the winding drum input shaft 31, wherein the motor 1 drives the winding drum 15 to rotate through the winding drum input shaft 31, and the winding drum left inner cover 27 and the winding drum right inner cover 29 do not rotate; the winding drum 15 device further comprises a winding drum connecting column I28, a winding drum connecting column II 32, a winding drum left end cover 10, a winding drum right end cover 17, a bearing I16 and a bearing II, wherein the winding drum connecting column I28 and the winding drum connecting column II 32 penetrate through the edges of a winding drum left inner cover 27 and a winding drum right inner cover 29, the winding drum left end cover 10 and the winding drum right end cover 17 are sleeved on the winding drum left inner cover 27 and the winding drum right inner cover 29 and penetrate through the winding drum connecting column I28 and the winding drum connecting column II 32, the winding drum right end cover 17 penetrates through a winding drum input shaft 31 through the bearing I16 and is sleeved on the winding drum right inner cover 29, the winding drum left end cover 10 penetrates through a winding drum input shaft 31 through a deep groove ball bearing II and is sleeved on the winding drum left inner cover 27, and the bearing I16, the bearing II, the winding drum connecting column I28, the winding drum connecting column II 32, the winding drum left inner cover 27 and the winding drum right inner cover 29 are connected with one another to form a device for fixing the winding drum 15; one end of the reel input shaft 31 is provided with a reel shaft gear 14, and the reel input shaft 31 is sleeved with a connecting shaft sleeve 5.

The winding displacement device is fixed on the winding drum 15 device and comprises a twist shaft sleeve 23, a twist shaft 21 and a winding displacement device 22, two ends of the twist shaft 21 are respectively fixed on the edges of a left inner cover of the winding drum and a right inner cover 29 of the winding drum, the twist shaft sleeve 23 is sleeved outside the twist shaft 21, and the winding displacement device 22 is sleeved on the twist shaft 21; the winding displacement device further comprises a winding displacement gear shaft 18, a winding displacement large gear 20 arranged at one end of the winding displacement gear shaft 18 and a twist shaft gear 30 arranged on a twist shaft 21, wherein the twist shaft gear 30 is meshed with the winding displacement large gear 20, the winding displacement large gear 20 is a double-layer gear, and the twist shaft 21 is meshed with the winding displacement large gear 20 through a winding drum shaft gear 14 to rotate along with a winding drum input shaft 31 to drive the winding displacement device 22 to move back and forth in a winding drum shaft sleeve 23.

The positioning device is arranged on a winding drum 15 device and comprises a stopper 6 which is arranged below the winding drum 15 and is used for cutting off the contact of articles and a positioner 8 fixed beside the winding drum 15 device, and the positioner 8 controls the rotation of the motor 1;

the positioning device further comprises a potentiometer fixing end cover 9, a positioner gear shaft 11, a bearing third 2624, a positioner 8 large straight gear, a first straight gear 12, a second straight gear 19 and a third straight gear 13, wherein the potentiometer fixing end cover 9 penetrates through a winding drum input shaft 31 through the bearing third 2624 to be sleeved on a winding drum left end cover 10, the positioner 8 large straight gear is positioned on the potentiometer fixing end cover 9 and is connected with the positioner 8, the first straight gear 12 and the second straight gear 19 are positioned on the positioner gear shaft 11, the third straight gear 13 is positioned on the winding drum input shaft 31, the third straight gear 13 is meshed with the first straight gear 12, the second straight gear 19 is meshed with the positioner gear shaft 11, and the positioner 8 is connected with a twist shaft 21 through gear meshing between a gear on the positioner gear shaft 11 and a gear on a wire arranging device gear shaft 18 to confirm the winding and unwinding position of the lifting rope;

the limiting device 6 comprises a U-shaped ring and a limiting switch at the root of the U-shaped ring, the lifting rope penetrates through the U-shaped ring to be connected with an article, and the limiting switch can cut off the power supply of the winding drum 15.

Fixing device fixed reel 15 device, positioner and unmanned aerial vehicle, fixing device includes fixed bolster 3, quick detach board 2, fixing base 4 and hangs the support plate, fixed bolster 3 passes through fixing base 4 to be fixed on reel 15 device, be equipped with on the fixed bolster 3 and hang the support plate, fix the bottom load district at unmanned aerial vehicle through quick detach board 2.

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, and any reference signs in the claims are not to be construed as limiting the claim concerned.

Claims (10)

1. An airborne winding and unwinding mechanism for an unmanned aerial vehicle is characterized by comprising a winding drum device, a winding displacement device fixed on the winding drum device and used for automatically winding a wire, a positioning device arranged on the winding drum device, a winding drum fixing device, a positioning device and an unmanned aerial vehicle fixing device, wherein the winding drum device is fixed on the winding drum device;

the winding drum device comprises a winding drum, a lifting rope with the tail end connected with the winding drum, a left winding drum inner cover and a right winding drum inner cover which are respectively sleeved on the left side and the right side of the winding drum, a winding drum input shaft penetrating through the circle center position of the winding drum, and a motor connected with one end of the winding drum input shaft, wherein the motor drives the winding drum to rotate through the winding drum input shaft, and the left winding drum inner cover and the right winding drum inner cover do not rotate;

the wire arranging device comprises a twist shaft sleeve, a twist shaft and a wire arranging device, wherein two ends of the twist shaft are respectively fixed on the edges of the left inner cover of the drum and the right inner cover of the winding drum;

the positioning device comprises a limiter and a positioner, wherein the limiter is arranged below the winding drum and used for cutting off the contact of articles, the positioner is fixed beside the winding drum device and is in transmission connection with an input shaft of the winding drum to confirm the winding and unwinding position of the lifting rope, and the positioner controls the rotation of the motor.

2. The airborne pick-and-place mechanism for unmanned aerial vehicle as claimed in claim 1, wherein the reel device further comprises a reel connection column I, a reel connection column II, a reel left end cap, a reel right end cap, a bearing I and a bearing II, the reel connection column I and the reel connection column II pass through the reel left inner cap and the reel right inner cap edge, the reel left end cap and the reel right end cap are sleeved on the reel left inner cap and the reel right inner cap and pass through the reel connection column I and the reel connection column II, the reel right end cap passes through the reel input shaft sleeve through the bearing I and is sleeved on the reel right inner cap, and the reel left end cap passes through the reel input shaft sleeve through the deep groove ball bearing II and is sleeved on the reel left inner cap.

3. The airborne pick-and-place mechanism for unmanned aerial vehicle as claimed in claim 1, wherein the motor is a dc brush motor providing power source for the winding drum, and the internal gear is a worm gear structure with self-locking function.

4. An on-board retraction mechanism for an unmanned aerial vehicle according to claim 1, wherein the reel input shaft is provided with a reel shaft gear at one end.

5. The airborne pick-and-place mechanism for the unmanned aerial vehicle as claimed in claim 1, wherein the traverse device further comprises a traverse gear shaft, a traverse gear wheel provided at one end of the traverse gear shaft, and a twist shaft gear provided on the twist shaft, the twist shaft gear being engaged with the traverse gear wheel.

6. The mechanism of claim 1, 4 or 5, wherein the twist shaft is engaged with the winding displacement gearwheel through a drum shaft gear to rotate along with the drum input shaft to drive the winding displacement device to move back and forth on the twist shaft sleeve.

7. The airborne pick-and-place mechanism for the unmanned aerial vehicle as claimed in claim 1, wherein the positioning device further comprises a potentiometer fixing end cover, a positioner gear shaft, a bearing three, a positioner large spur gear, a first spur gear, a second spur gear and a third spur gear, the potentiometer fixing end cover penetrates through the drum input shaft through the bearing three and is sleeved on the drum left end cover, the positioner large spur gear is located on the potentiometer fixing end cover and is connected with the positioner, the first spur gear and the second spur gear are located on the positioner gear shaft, the third spur gear is located on the drum input shaft and is meshed with the first spur gear, and the second spur gear is meshed with the positioner gear shaft.

8. The on-board pick and place mechanism for unmanned aerial vehicle of claim 1 or 7, wherein the positioner confirms the pick and place position of the lifting rope through the transmission connection between the gear on the positioner gear shaft and the gear on the winding displacement gear shaft and the reel shaft gear.

9. The on-board retraction mechanism for unmanned aerial vehicles according to claim 1, wherein the stop comprises a U-ring through which the lifting rope is passed to connect with the article and a limit switch at the root of the U-ring, the limit switch being capable of cutting off the power supply to the reel.

10. The on-board retracting mechanism for an unmanned aerial vehicle of claim 1, wherein the fixing device comprises a fixing bracket, a quick release plate, a fixing base and a hanging plate, the fixing bracket is fixed on the winding drum device through the fixing base, the hanging plate is mounted on the fixing bracket, and the fixing bracket is fixed on a bottom load area of the unmanned aerial vehicle through the quick release plate.

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