阅读说明：本技术 一种无人机外悬挂装置及使用方法 (Unmanned aerial vehicle external suspension device and using method ) 是由 刘洪吉 高章林 李刚涛 梁利辉 王军 马超 赵志刚 赵越 段建军 吴国强 孟朝阳 于 2021-09-30 设计创作，主要内容包括：本发明涉及一种无人机外悬挂装置及使用方法,装置包括与无人机连接的悬吊装置以及安装在悬吊装置底部的用于携带工具和/或材料的承力装置；所述悬吊装置内安装用于与承力装置连接的驱动装置；本发明驱动装置推进或退出旋转螺杆与磁铁连接套的螺接实现无人机携带相连接的悬吊装置和承力装置升起或返回,完成工具、材料在作业位置的定点自动投放和收回,使用本发明装置和方法实现无人机悬挂工具、材料飞至超、特高压输电线路的作业位置杆塔、导线并实现定点自动投放、收回的功能,降低检修作业人员劳动强度,提高作业人员安全系数,提升作业效率,克服了些山区、水域等不利条件对作业的影响；本发明装置结构简单,可靠性强,成本低廉,安全可靠。(The invention relates to an unmanned aerial vehicle outer suspension device and a using method thereof, wherein the device comprises a suspension device connected with an unmanned aerial vehicle and a force bearing device which is arranged at the bottom of the suspension device and is used for carrying tools and/or materials; a driving device used for being connected with the force bearing device is arranged in the suspension device; the driving device advances or retreats the rotating screw rod and the magnet connecting sleeve to realize that the unmanned aerial vehicle carries the connected suspension device and the force bearing device to lift or return, and complete the fixed-point automatic feeding and withdrawing of tools and materials at the operation position; the device has the advantages of simple structure, strong reliability, low cost, safety and reliability.)

1. An unmanned aerial vehicle outer suspension device is characterized by comprising a suspension device connected with the bottom of an unmanned aerial vehicle and a force bearing device which is arranged at the bottom of the suspension device and used for carrying tools and/or materials;

and a driving device connected with the force bearing device is arranged in the suspension device.

2. The unmanned aerial vehicle suspension device of claim 1, wherein the suspension device comprises an inverted U-shaped support frame (1), an electromagnet (2) which is fixedly installed at the bottom of the U-shaped support frame (1) and is annular, and a lifting ring (3) which is fixedly installed at the top of the U-shaped support frame (1) and is connected with the unmanned aerial vehicle, a cross connecting plate (4) is fixedly installed on the inner wall of the electromagnet (2), a threaded hole (5) is formed in the middle of the cross connecting plate (4), and a rotating screw (6) is connected with the threaded hole (5) in a threaded manner; a power supply (21) connected with the electromagnet (2) is arranged on the inner side of one side frame of the U-shaped supporting frame (1), and a control switch is arranged on the power supply (21);

the driving device is fixedly arranged on the inner side of the other frame of the U-shaped supporting frame (1) and drives the rotating screw rod (6) to rotate;

the force bearing device is connected with the electromagnet (2) and the rotary screw (6).

3. The suspension device of claim 2, wherein the driving device comprises a fixed block (7) fixedly installed on the inner side of the frame at the other side of the U-shaped supporting frame (1), a first driving motor (8) vertically and fixedly installed at the side part of the fixed block (7), and a transmission gear (9) horizontally installed at the bottom of the transmission shaft of the first driving motor (8); the transmission gear (9) is meshed with the rotary screw (6), and the first driving motor (8) drives the transmission gear (9) to rotate forwards and reversely correspondingly to enable the rotary screw (6) to be pushed to be in threaded connection with the bearing device or to reversely withdraw from the bearing device.

4. The unmanned aerial vehicle outer suspension device of claim 2, wherein the driving device comprises a housing (10) fixedly mounted on the electromagnet (2), a second driving motor (11) obliquely and fixedly mounted in the housing (10), a driving bevel gear (12) fixedly mounted on a transmission shaft of the second driving motor (11), a bearing (22) with an outer ring fixedly mounted at the bottom of a cross beam of the inverted U-shaped support frame (1), a fixed sleeve (13) fixedly mounted on an inner ring of the bearing (22), and a driven bevel gear (14) fixedly mounted at the bottom of the fixed sleeve (13), the driving bevel gear (12) is engaged with the driven bevel gear (14), the inner ring of the driven bevel gear (14) is provided with threads, and the rotating screw (6) is in threaded connection with the threads of the inner ring of the driven bevel gear (14);

the upper part of the rotary screw (6) is arranged in a fixed sleeve (13) in a clearance mode, a second driving motor (11) drives a driving helical gear (12) and a driven helical gear (14) which are meshed in a forward rotation mode and a reverse rotation mode to enable the rotary screw (6) to be pushed to be in threaded connection with a force bearing device or to be reversely withdrawn from the force bearing device, and the fixed sleeve (13) and the driven helical gear (14) rotate synchronously.

5. The unmanned aerial vehicle suspension device according to claim 2, 3 or 4, wherein the force-bearing device comprises a circular base (15), a fixed ring (16) fixedly arranged on the top surface of the circular base (15), a limiting guide sleeve (17) fixedly arranged on the edge of the top surface of the fixed ring (16), and a force-bearing lifting hook (18) fixedly arranged at the bottom of the circular base (15), wherein the inner diameter of the limiting guide sleeve (17) is larger than the outer diameter of the electromagnet (2);

the middle of the fixed ring (16) is fixedly provided with a magnetic magnet connecting sleeve (19), the inner wall of the magnet connecting sleeve (19) is provided with an internal thread matched with the rotary screw (6), the electromagnet (2) of the force bearing device is arranged on the top surface of the fixed ring (16), the electrified electromagnet (2) is attracted with the magnet connecting sleeve (19), the rotary screw (6) is coaxial with the magnet connecting sleeve (19), the first driving motor (8) positively rotates to drive the transmission gear (9) to enable the rotary screw (6) to be downwards pushed to be in threaded connection with the magnet connecting sleeve (19), or the second driving motor (11) positively rotates to enable the driving helical gear (12) and the driven helical gear (14) to rotate to drive the rotary screw (6) to be downwards pushed to be in threaded connection with the magnet connecting sleeve (19).

6. An unmanned aerial vehicle suspension device according to claim 5, wherein the magnet connecting sleeve (19) is arranged between the two connecting plates (20) at the corresponding mounting connecting plates (20) on the inner wall of the fixing ring (16).

7. The suspension device of claim 6, wherein the limiting guide sleeve (17) is in the shape of a frustum, the inner diameter of the upper opening of the limiting guide sleeve is larger than the inner diameter of the bottom opening, and the inner diameter of the bottom opening is slightly larger than the outer diameter of the electromagnet (2).

8. An unmanned aerial vehicle suspension as claimed in claim 5, wherein the first drive motor (8) and the second drive motor (11) are each of the type: the JGB37-520 miniature speed-reducing forward-reverse-rotation brush speed-regulating DC motor 12V is provided with a ground remote controller.

9. A using method of an unmanned aerial vehicle external suspension device is characterized by comprising the following steps:

after the unmanned aerial vehicle is connected with a hanging ring (3) of the hanging device, the hanging device is aligned with the force bearing device, the electromagnet (2) penetrates through the limiting guide sleeve (17), the bottom surface of the electromagnet (2) is aligned and contacted with the top surface of the fixing ring (16), a first driving motor (8) is started, and the first driving motor (8) enables a rotating screw (6) to move downwards through a transmission gear (9) to be in threaded connection with a magnet connecting sleeve (19); then the tool and the material are hooked on a bearing lifting hook (25);

secondly, starting the unmanned aerial vehicle, carrying the external suspension device, the tool and the material to fly to the operation positions of the tower and the wire, fixing the tool and the material on the tower and the wire, starting a first driving motor (8) to reversely drive a transmission gear (9) to withdraw from the connection of a rotating screw (6) and a magnet connecting sleeve (19) through a ground control device, and then returning the unmanned aerial vehicle to the ground by carrying the suspension device and the force bearing device which are connected, so as to finish the fixed-point automatic throwing of the tool and the material at the operation positions;

when the operation is finished and tools and materials need to be withdrawn from the high altitude, the tools and materials in the high altitude are firstly hooked on a bearing lifting hook (18) at the bottom of a bearing device, after the unmanned aerial vehicle is connected with a lifting ring (3) of a suspension device, a control switch of a power supply (21) of an electromagnet (2) is started firstly, the electromagnet (2) is electrified to generate magnetic attraction, and the unmanned aerial vehicle is started to carry the suspension device to fly to the position near the operation position;

step four: the position of the unmanned aerial vehicle is finely adjusted by ground control, so that the suspension device is approximately aligned with the force-bearing device, then the height of the unmanned aerial vehicle is slowly lowered, the suspension device is lowered to the top surface of the fixed ring (16) along the limiting guide sleeve (17) by means of the magnetic attraction of the electromagnet (2) and the magnet connecting sleeve (19), the suspension device is tightly contacted with the force-bearing device, the first driving motor (8) is started, and the first driving motor (8) enables the rotating screw (6) to move downwards through the transmission gear (9) to be in threaded connection with the magnet connecting sleeve (19); the unmanned aerial vehicle takes off, and the force bearing device connected with the suspension device carries the tools and materials in high altitude to return to the ground, so that the fixed-point automatic retraction of the tools and materials is completed.

10. A using method of an unmanned aerial vehicle external suspension device is characterized by comprising the following steps:

after the unmanned aerial vehicle is connected with a hanging ring (3) of the hanging device, the hanging device is aligned with the force bearing device, the electromagnet (2) penetrates through a frustum-shaped limiting guide sleeve (17), so that the bottom surface of the electromagnet (2) is aligned and contacted with the top surface of a fixed ring (16), a second driving motor (11) is started, and the second driving motor (11) enables a rotating screw (6) to move downwards through a driving helical gear (12) and a driven helical gear (14) to be in threaded connection with a magnet connecting sleeve (19); then the tool and the material are hooked on a bearing lifting hook (25);

secondly, starting an unmanned aerial vehicle, carrying an outer suspension device, tools and materials to fly to the operation positions of a tower and a wire, fixing the tools and the materials on the tower and the wire, starting a second driving motor (11) to reversely drive a driving bevel gear (12) and a driven bevel gear (14) to withdraw from the connection of a rotating screw (6) and a magnet connecting sleeve (19) through a ground control device, and then returning the unmanned aerial vehicle to the ground by carrying the suspension device and the load-bearing device which are connected with each other to finish the fixed-point automatic feeding of the tools and the materials at the operation positions;

when the operation is finished and tools and materials need to be withdrawn from the high altitude, the tools and materials in the high altitude are firstly hooked on a bearing lifting hook (25) at the bottom of a bearing device, after the unmanned aerial vehicle is connected with a lifting ring (3) of a suspension device, a power supply (21) of an electromagnet (2) is started to control a switch, the electromagnet (2) is electrified to generate magnetic attraction, and the unmanned aerial vehicle is started to carry the suspension device to fly to the position near the operation position;

step four: the position of the unmanned aerial vehicle is finely adjusted by ground control, so that the suspension device is approximately aligned with the force-bearing device, then the height of the unmanned aerial vehicle is slowly lowered, the suspension device is lowered to the top surface of the fixing ring (16) along the frustum-shaped limiting guide sleeve (17) by means of the magnetic attraction of the electromagnet (2) and the magnet connecting sleeve (19), the suspension device is tightly contacted with the force-bearing device, the second driving motor (11) is started, and the second driving motor (11) enables the rotating screw (6) to move downwards through the driving helical gear (12) and the driven helical gear (14) to be in threaded connection with the magnet connecting sleeve (19); the unmanned aerial vehicle takes off, and the force bearing device connected with the suspension device carries the tools and materials in high altitude to return to the ground, so that the fixed-point automatic retraction of the tools and materials is completed.

Technical Field

The invention relates to an unmanned aerial vehicle external suspension device and a using method thereof, belonging to the technical field of equipment maintenance in the power industry.

Background

At present, the overhaul work of the ultra-high voltage line and the extra-high voltage line is carried out in a large quantity, a maintainer needs to carry a transmission rope when climbing a tower and routing, then a heavy transmission rope needs to be carried when the maintainer climbs tens of meters and hundreds of meters of high altitude through a transmission rope transmission tool and materials at a defect elimination operating point, so that the labor intensity of the operating personnel is high, and the risk of high altitude falling of the maintainer is increased; when the overhaul operation is carried out on some mountainous areas and water areas, the operation steps and difficulty are increased when the conditions of ground transmission tools and materials are not met due to terrain limitation.

Some simple and easy carrying device of unmanned aerial vehicle that have now can only realize the function of puting in of article, can not realize that article withdraw the function or need personnel's supplementary hook just can retrieve the article of puting in, can not fundamentally solve above-mentioned difficult problem.

Based on the above, there is a need for an unmanned aerial vehicle external suspension device, which mainly realizes the functions of flying an unmanned aerial vehicle suspension tool and materials to the operation positions (pole tower and wire) of ultra-high and extra-high voltage transmission lines and realizing fixed-point automatic releasing and withdrawing.

Disclosure of Invention

The invention aims to solve the technical problem of providing an unmanned aerial vehicle external suspension device which realizes fixed-point automatic release and recovery of tools and materials, is convenient to use and has reliable performance and a use method thereof.

The invention adopts the following technical scheme:

the invention relates to an unmanned aerial vehicle external suspension device, which comprises a suspension device connected with an unmanned aerial vehicle and a force bearing device which is arranged at the bottom of the suspension device and is used for carrying tools and/or materials; and a driving device connected with the force bearing device is arranged in the suspension device.

The invention discloses an unmanned aerial vehicle external suspension device, which comprises an inverted U-shaped supporting frame, an annular electromagnet fixedly arranged at the bottom of the U-shaped supporting frame and a lifting ring fixedly arranged at the top of the U-shaped supporting frame and connected with an unmanned aerial vehicle, wherein a cross connecting plate is fixedly arranged on the inner wall of the electromagnet, a threaded hole is formed in the middle of the cross connecting plate, and a rotating screw rod is connected in the threaded hole in a threaded manner; a power supply connected with the electromagnet is arranged on the inner side of one frame of the U-shaped supporting frame, and a control switch is arranged on the power supply; the driving device is fixedly arranged on the inner side of the other frame of the U-shaped supporting frame and drives the rotating screw rod to rotate; the force bearing device is connected with the electromagnet and the rotary screw rod.

The invention discloses an unmanned aerial vehicle outer suspension device, which comprises a fixed block, a first driving motor and a transmission gear, wherein the fixed block is fixedly arranged on the inner side of the frame on the other side of a U-shaped supporting frame; the transmission gear is meshed with the rotary screw, and the first driving motor drives the transmission gear to rotate forwards and reversely correspondingly so that the rotary screw is pushed to be in threaded connection with the bearing device or reversely withdraw from the bearing device.

The invention discloses an unmanned aerial vehicle outer suspension device, which comprises a cover body fixedly arranged on an electromagnet, a second driving motor obliquely and fixedly arranged in the cover body, a driving bevel gear fixedly arranged on a transmission shaft of the second driving motor, a bearing with an outer ring fixedly arranged at the bottom of a cross beam of an inverted U-shaped supporting frame, a fixed sleeve fixedly arranged on an inner ring of the bearing and a driven bevel gear fixedly arranged at the bottom of the fixed sleeve, wherein the driving bevel gear is meshed with the driven bevel gear, the inner ring of the driven bevel gear is provided with threads, and the rotating screw is in threaded connection with the threads of the inner ring of the driven bevel gear; the upper part of the rotating screw is arranged in the fixed sleeve in a clearance mode, the second driving motor drives the driving helical gear and the driven helical gear which are meshed with each other in a forward and reverse rotation mode to enable the rotating screw to be pushed to be in threaded connection with the force bearing device or to be reversely withdrawn from the force bearing device, and the fixed sleeve and the driven helical gear rotate synchronously.

The invention discloses an unmanned aerial vehicle outer suspension device, wherein a force bearing device comprises a circular base, a fixed ring fixedly arranged on the top surface of the circular base, a limiting guide sleeve fixedly arranged on the edge of the top surface of the fixed ring and a force bearing lifting hook fixedly arranged at the bottom of the circular base, wherein the inner diameter of the limiting guide sleeve is larger than the outer diameter of an electromagnet; the magnetic magnet connecting sleeve is fixedly installed in the middle of the fixing ring, inner threads matched with the rotary screw are arranged on the inner wall of the magnet connecting sleeve, when an electromagnet of the force bearing device is arranged on the top surface of the fixing ring, the electrified electromagnet is attracted with the magnet connecting sleeve, the rotary screw is coaxial with the magnet connecting sleeve, the first driving motor positively rotates to drive the transmission gear to enable the rotary screw to be downwards pushed to be in threaded connection with the magnet connecting sleeve, or the second driving motor positively rotates to enable the driving helical gear and the driven helical gear to rotate to drive the rotary screw to be downwards pushed to be in threaded connection with the magnet connecting sleeve.

The invention relates to an unmanned aerial vehicle external suspension device, wherein connecting plates are correspondingly arranged on the inner wall of a fixed ring, and a magnet connecting sleeve is arranged between the two connecting plates.

The invention relates to an unmanned aerial vehicle outer suspension device.A limiting guide sleeve is in a frustum shape, the inner diameter of an upper opening of the limiting guide sleeve is larger than the inner diameter of a bottom opening, and the inner diameter of the bottom opening is slightly larger than the outer diameter of an electromagnet.

The invention discloses an unmanned aerial vehicle outer suspension device, wherein the types of a first driving motor and a second driving motor are as follows: the JGB37-520 miniature speed-reducing forward-reverse-rotation brush speed-regulating DC motor 12V is provided with a ground remote controller.

The invention discloses a using method of an unmanned aerial vehicle external suspension device, which comprises the following steps:

after the unmanned aerial vehicle is connected with a hanging ring of a suspension device, the suspension device is aligned with a force bearing device, an electromagnet penetrates through a limiting guide sleeve, the bottom surface of the electromagnet is aligned and contacted with the top surface of a fixed ring, a first driving motor is started, and the first driving motor enables a rotating screw to move downwards through a transmission gear to be in threaded connection with a magnet connecting sleeve; then the tool and the material are hooked on the bearing lifting hook;

secondly, starting the unmanned aerial vehicle, carrying the external suspension device, the tool and the material to fly to the operation positions of the tower and the wire, after the tool and the material are fixed on the tower and the wire, starting the first driving motor to reversely drive the transmission gear to withdraw from the connection of the rotary screw and the magnet connecting sleeve through the ground control device, then carrying the suspension device and the force bearing device which are connected by the unmanned aerial vehicle to return to the ground, and completing the fixed-point automatic throwing of the tool and the material at the operation positions;

when the operation is finished and tools and materials need to be withdrawn from the high altitude, the tools and materials in the high altitude are firstly hooked on a bearing lifting hook at the bottom of a bearing device, after the unmanned aerial vehicle is connected with a lifting ring of a suspension device, a control switch of an electromagnet power supply is started firstly, so that the electromagnet is electrified to generate magnetic attraction, the unmanned aerial vehicle is started, and the suspension device is carried to fly to the position near the operation position;

step four: the ground controls and finely adjusts the position of the unmanned aerial vehicle, so that the suspension device is generally aligned with the force bearing device, then the height of the unmanned aerial vehicle is slowly lowered, the suspension device is lowered to the top surface of the fixed ring along the limiting guide sleeve by means of the magnetic attraction of the electromagnet and the magnet connecting sleeve, the suspension device is tightly contacted with the force bearing device, the first driving motor is started, and the first driving motor enables the rotating screw to move downwards through the transmission gear to be in threaded connection with the magnet connecting sleeve; the unmanned aerial vehicle takes off, and the force bearing device connected with the suspension device carries the tools and materials in high altitude to return to the ground, so that the fixed-point automatic retraction of the tools and materials is completed.

The invention discloses a using method of an unmanned aerial vehicle external suspension device, which comprises the following steps:

after the unmanned aerial vehicle is connected with a hanging ring of a suspension device, the suspension device is aligned with a force bearing device, an electromagnet penetrates through a frustum-shaped limiting guide sleeve, the bottom surface of the electromagnet is aligned and contacted with the top surface of a fixed ring, a second driving motor is started, and the second driving motor enables a rotating screw to move downwards through a driving bevel gear and a driven bevel gear to be in threaded connection with a magnet connecting sleeve; then the tool and the material are hooked on a bearing lifting hook;

secondly, starting the unmanned aerial vehicle, carrying the external suspension device, the tool and the material to fly to the operation position of the tower and the wire, after the tool and the material are fixed on the tower and the wire, starting a second driving motor to reversely drive a driving bevel gear and a driven bevel gear to withdraw from the connection of a rotating screw and a magnet connecting sleeve through a ground control device, then returning the unmanned aerial vehicle to the ground by carrying the connected suspension device and the connected force bearing device, and finishing the fixed-point automatic throwing of the tool and the material at the operation position;

when the operation is finished and tools and materials need to be withdrawn from the high altitude, the tools and materials in the high altitude are firstly hooked on a bearing lifting hook at the bottom of a bearing device, after the unmanned aerial vehicle is connected with a lifting ring of a suspension device, a power control switch of an electromagnet is started firstly, the electromagnet is electrified to generate magnetic attraction, the unmanned aerial vehicle is started, and the suspension device is carried to fly to the position near the operation position;

step four: the ground controls the fine adjustment of the position of the unmanned aerial vehicle, so that the suspension device is generally aligned with the force bearing device, then the height of the unmanned aerial vehicle is slowly lowered, the suspension device is lowered to the top surface of the fixing ring along the frustum-shaped limiting guide sleeve by means of the magnetic attraction of the electromagnet and the magnet connecting sleeve, the suspension device is tightly contacted with the force bearing device, the second driving motor is started, and the second driving motor enables the rotating screw rod to move downwards through the driving helical gear and the driven helical gear to be in threaded connection with the magnet connecting sleeve; the unmanned aerial vehicle takes off, and the force bearing device connected with the suspension device carries the tools and materials in high altitude to return to the ground, so that the fixed-point automatic retraction of the tools and materials is completed.

The invention has the following positive effects:

when the device is used for withdrawing tools and materials from the high altitude after operation is finished, the power supply of the electromagnet is controlled by the switch, the power supply switch of the electromagnet is opened on the ground to enable the power supply switch to be electrified and to have magnetic attraction, the unmanned aerial vehicle carries the suspension device to fly above the bearing device to be aligned with the bearing device in the body, the height of the unmanned aerial vehicle is slowly reduced, the suspension device is lowered to the top surface of the fixing ring along the frustum-shaped limiting guide sleeve by means of the magnetic attraction of the electromagnet and the magnet connecting sleeve, and the suspension device is enabled to be in close contact with the bearing device.

The first driving motor drives the transmission gear to advance or withdraw from the screw connection between the rotary screw and the magnet connecting sleeve in the positive and negative rotation directions, or the second driving motor drives the transmission gear to advance or withdraw from the screw connection between the rotary screw and the magnet connecting sleeve in the positive and negative rotation directions through the driving helical gear and the driven helical gear, so that the unmanned aerial vehicle can lift or return with the connected suspension device and the force bearing device, and the fixed-point automatic throwing and withdrawing of tools and materials at the operation position can be completed.

Through setting up the first driving motor or the second driving motor that can just, the reverse run that have remote control function, can control its operation on ground, thereby realize just rotating forward and reverse advance and reverse withdraw from rotatory screw rod and magnet adapter sleeve spiro union, realize effective control.

The device and the method of the invention are used for realizing the unmanned aerial vehicle suspension tool and the material flying to ultra-high voltage and ultra-high voltage power transmission

The operation position shaft tower, the wire of circuit realize the fixed point automatic feeding, the function of withdrawing, reduce maintenance operation personnel intensity of labour, improve operation personnel factor of safety, promote the operating efficiency, overcome the influence of adverse conditions such as some mountain areas, waters to the operation.

The device has the advantages of simple structure, strong reliability, low cost, safety and reliability.

Drawings

FIG. 1 is a schematic diagram of the structure of the device of the present invention;

FIG. 2 is a schematic structural view of an embodiment of a suspension device of the present invention;

FIG. 4 is a schematic view of a structure of a stop collar of the device of the present invention;

FIG. 3 is a schematic view of the front view structure of the force bearing device of the present invention;

FIG. 5 is a schematic structural view of a second embodiment of a suspension device of the present invention;

FIG. 6 is a schematic view of the engagement structure of the driving helical gear and the driven helical gear of the device of the present invention;

FIG. 7 is a schematic view of a fixing sleeve structure of the device of the present invention;

FIG. 8 is a schematic view of the connection cross-sectional structure of the driven helical gear and the fixed sleeve of the device of the present invention.

In the drawings:

a 1-U-shaped supporting frame,

2-an electromagnet,

3-a hanging ring,

4-a cross connecting plate,

5-a threaded hole,

6-rotating the screw rod,

7-fixed block,

8-a first driving motor,

9-a transmission gear,

10-cover body,

11-a second driving motor,

12-driving bevel gear,

13-a fixed sleeve,

14-driven bevel gear,

15-round base,

16-a fixed ring,

17-a limiting guide sleeve,

18-bearing lifting hook,

19-magnet connecting sleeve,

20 connecting plates;

21, a power supply;

22 bearing.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1-4, the suspension device outside the unmanned aerial vehicle of the invention comprises a suspension device connected with the unmanned aerial vehicle and a force bearing device arranged at the bottom of the suspension device and used for carrying tools and/or materials; and a driving device connected with the force bearing device is arranged in the suspension device.

The suspension device of the unmanned aerial vehicle external suspension device comprises an inverted U-shaped support frame 1, an annular electromagnet 2 fixedly installed at the bottom of the U-shaped support frame 1 and a lifting ring 3 fixedly installed at the top of the U-shaped support frame 1 and connected with an unmanned aerial vehicle, wherein a cross connecting plate 4 is fixedly installed on the inner wall of the electromagnet 2, a threaded hole 5 is formed in the middle of the cross connecting plate 4, and a rotating screw 6 is connected with the threaded hole 5 in a threaded manner; a power supply 21 connected with the electromagnet 2 is arranged on the inner side of one side frame of the U-shaped supporting frame 1, and a control switch is arranged on the power supply 21; the driving device is fixedly arranged on the inner side of the other frame of the U-shaped supporting frame 1 and drives the rotating screw 6 to rotate; the force bearing device is connected with the electromagnet 2 and the rotary screw 6.

The driving device of the unmanned aerial vehicle outer suspension device comprises a fixed block 7 fixedly arranged on the inner wall of a side frame of a U-shaped supporting frame 1, a first driving motor 8 vertically and fixedly arranged on the side part of the fixed block 7 and a transmission gear 9 horizontally arranged at the bottom of a transmission shaft of the first driving motor 8; the transmission gear 9 is meshed with the rotary screw 6, and the first driving motor 8 drives the transmission gear 9 to rotate forward and reversely correspondingly so that the rotary screw 6 is pushed to be in threaded connection with the bearing device or reversely withdraw from the bearing device.

The force bearing device of the unmanned aerial vehicle outer suspension device comprises a circular base 15, a fixing ring 16 fixedly arranged on the top surface of the circular base 15, a limiting guide sleeve 17 fixedly arranged on the edge of the top surface of the fixing ring 16 and a force bearing lifting hook 18 fixedly arranged at the bottom of the circular base 15, wherein the limiting guide sleeve 17 is made of a non-magnetic material, and the inner diameter of the limiting guide sleeve 17 is larger than the outer diameter of an electromagnet 2; a magnetic magnet connecting sleeve 19 is fixedly arranged in the middle of the fixed ring 16, an inner thread matched with the rotary screw 6 is arranged on the inner wall of the magnet connecting sleeve 19, the electromagnet 2 of the force bearing device is arranged on the top surface of the fixed ring 16, the electrified electromagnet 2 is attracted with the magnet connecting sleeve 19, the rotary screw 6 is coaxial with the magnet connecting sleeve 19, and the first driving motor 8 positively rotates to drive the transmission gear 9 to enable the rotary screw 6 to downwards advance to be in threaded connection with the magnet connecting sleeve 19.

The invention relates to an unmanned aerial vehicle outer suspension device, wherein connecting plates 20 are correspondingly arranged on the inner wall of a fixed ring 16, and a magnet connecting sleeve 19 is arranged between the two connecting plates 20.

The invention discloses an unmanned aerial vehicle external suspension device; the types of the first driving motor 8 and the second driving motor 11 are: the JGB37-520 miniature speed-reducing forward-reverse-rotation brush speed-regulating DC motor 12V is provided with a ground remote controller.

The invention discloses a using method of an unmanned aerial vehicle external suspension device, which is characterized by comprising the following steps:

after the unmanned aerial vehicle is connected with a hanging ring 3 of the suspension device, the suspension device is aligned with the force bearing device, the electromagnet 2 penetrates through the limiting guide sleeve 17, the bottom surface of the electromagnet 2 is aligned with and contacts with the top surface of the fixed ring 16, the first driving motor 8 is started, and the first driving motor 8 enables the rotating screw 6 to move downwards through the transmission gear 9 to be in threaded connection with the magnet connecting sleeve 19; then the tool and the material are hooked on the bearing lifting hook 25;

secondly, starting the unmanned aerial vehicle, carrying the external suspension device, the tool and the material to fly to the operation position of a tower and a conductor, fixing the tool and the material on the tower and the conductor, starting the first driving motor 8 to reversely drive the transmission gear 9 to withdraw from the connection of the rotary screw 6 and the magnet connecting sleeve 19 through the ground control device, then carrying the suspension device and the force bearing device which are connected by the unmanned aerial vehicle to return to the ground, and completing the fixed-point automatic throwing of the tool and the material at the operation position;

when the operation is finished and tools and materials need to be withdrawn from the high altitude, the tools and materials in the high altitude are firstly hooked on a bearing lifting hook 18 at the bottom of a bearing device, after the unmanned aerial vehicle is connected with a lifting ring 3 of a suspension device, a power supply 21 of an electromagnet 2 is firstly started to control a switch, the electromagnet 2 is electrified to generate magnetic attraction, the unmanned aerial vehicle is started, and the suspension device is carried to fly to the position near the operation position;

step four: the ground controls and finely adjusts the position of the unmanned aerial vehicle, so that the suspension device is approximately aligned with the force bearing device, then the height of the unmanned aerial vehicle is slowly lowered, the suspension device is lowered to the top surface of the fixed ring 16 along the limiting guide sleeve 17 by means of the magnetic attraction of the electromagnet 2 and the magnet connecting sleeve 19, the suspension device is tightly contacted with the force bearing device, the first driving motor 8 is started, and the first driving motor 8 enables the rotating screw 6 to move downwards through the transmission gear 9 to be in threaded connection with the magnet connecting sleeve 19; the unmanned aerial vehicle takes off, and the force bearing device connected with the suspension device carries the tools and materials in high altitude to return to the ground, so that the fixed-point automatic retraction of the tools and materials is completed.

Example two:

as shown in fig. 4-8, the suspension device outside the unmanned aerial vehicle of the present invention includes a suspension device connected to the unmanned aerial vehicle and a force-bearing device installed at the bottom of the suspension device for carrying tools and/or materials; and a driving device connected with the force bearing device is arranged in the suspension device.

The suspension device of the unmanned aerial vehicle external suspension device comprises an inverted U-shaped support frame 1, an annular electromagnet 2 fixedly installed at the bottom of the U-shaped support frame 1 and a lifting ring 3 fixedly installed at the top of the U-shaped support frame 1 and connected with an unmanned aerial vehicle, wherein a cross connecting plate 4 is fixedly installed on the inner wall of the electromagnet 2, a threaded hole 5 is formed in the middle of the cross connecting plate 4, and a rotating screw 6 is connected with the threaded hole 5 in a threaded manner; a power supply 21 connected with the electromagnet 2 is arranged on the inner side of one side frame of the U-shaped supporting frame 1, and a control switch is arranged on the power supply 21; the driving device is fixedly arranged on the inner side of the other frame of the U-shaped supporting frame 1 and drives the rotating screw 6 to rotate; the force bearing device is connected with the electromagnet 2 and the rotary screw 6.

The driving device of the unmanned aerial vehicle outer suspension device comprises a cover body 10 fixedly arranged on an electromagnet 2, a second driving motor 11 obliquely and fixedly arranged in the cover body 10, a driving bevel gear 12 fixedly arranged on a transmission shaft of the second driving motor 11, a bearing 22 with an outer ring fixedly arranged at the bottom of a cross beam of an inverted U-shaped support frame 1, a fixed sleeve 13 fixedly arranged on an inner ring of the bearing 22 and a driven bevel gear 14 fixedly arranged at the bottom of the fixed sleeve 13, wherein the driving bevel gear 12 is meshed with the driven bevel gear 14, the inner ring of the driven bevel gear 14 is provided with threads, and a rotating screw 6 is in threaded connection with the inner ring threads of the driven bevel gear 14; the upper part of the rotating screw 6 is arranged in a fixed sleeve 13 in a clearance mode, the second driving motor 11 drives the meshed driving helical gear 12 and the meshed driven helical gear 14 to rotate forwards and backwards to enable the rotating screw 6 to be pushed to be in threaded connection with the force bearing device or to be reversely withdrawn from the force bearing device, and the fixed sleeve 13 and the driven helical gear 14 rotate synchronously.

The force-bearing device of the unmanned aerial vehicle outer suspension device comprises a circular base 15, a fixed ring 16 fixedly arranged on the top surface of the circular base 15, a limiting guide sleeve 17 fixedly arranged on the edge of the top surface of the fixed ring 16 and a force-bearing lifting hook 18 fixedly arranged at the bottom of the circular base 15, wherein the limiting guide sleeve 17 is made of a non-magnetic material, and the inner diameter of the limiting guide sleeve 17 is larger than the outer diameter of an electromagnet 2; a magnetic magnet connecting sleeve 19 is fixedly arranged in the middle of the fixed ring 16, inner threads matched with the rotary screw 6 are arranged on the inner wall of the magnet connecting sleeve 19, when the electromagnet 2 of the force bearing device is arranged on the top surface of the fixed ring 16, the electrified electromagnet 2 is attracted with the magnet connecting sleeve 19, the rotary screw 6 is coaxial with the magnet connecting sleeve 19, and the second driving motor 11 rotates positively to enable the driving helical gear 12 and the driven helical gear 14 to rotate to drive the rotary screw 6 to move downwards to be screwed with the magnet connecting sleeve 19.

The invention relates to an unmanned aerial vehicle outer suspension device, wherein connecting plates 20 are correspondingly arranged on the inner wall of a fixed ring 16, and a magnet connecting sleeve 19 is arranged between the two connecting plates 20.

The invention relates to an unmanned aerial vehicle outer suspension device.A limiting guide sleeve 17 is in a frustum shape, the inner diameter of an upper opening of the limiting guide sleeve is larger than the inner diameter of a bottom opening, and the inner diameter of the bottom opening is slightly larger than the outer diameter of an electromagnet 2.

The invention discloses an unmanned aerial vehicle external suspension device; the types of the first driving motor 8 and the second driving motor 11 are: the JGB37-520 miniature speed-reducing forward-reverse-rotation brush speed-regulating DC motor 12V is provided with a ground remote controller.

The invention discloses a using method of an unmanned aerial vehicle external suspension device, which is characterized by comprising the following steps:

after the unmanned aerial vehicle is connected with a hanging ring 3 of the hanging device, the hanging device is aligned with the force bearing device, the electromagnet 2 penetrates through the frustum-shaped limiting guide sleeve 17, the bottom surface of the electromagnet 2 is aligned and contacted with the top surface of the fixed ring 16, the second driving motor 11 is started, and the second driving motor 11 enables the rotating screw 6 to move downwards through the driving bevel gear 12 and the driven bevel gear 14 to be in threaded connection with the magnet connecting sleeve 19; then the tool and the material are hooked on the bearing lifting hook 25;

secondly, starting the unmanned aerial vehicle, carrying the external suspension device, the tool and the material to fly to the operation position of a tower and a wire, fixing the tool and the material on the tower and the wire, starting a second driving motor 11 to reversely drive a driving bevel gear 12 and a driven bevel gear 14 to withdraw from the connection of a rotating screw 6 and a magnet connecting sleeve 19 through a ground control device, and then returning the unmanned aerial vehicle to the ground with the suspension device and the force bearing device which are connected to complete the fixed-point automatic throwing of the tool and the material at the operation position;

when the operation is finished and tools and materials need to be withdrawn from the high altitude, the tools and materials in the high altitude are firstly hooked on a bearing lifting hook 25 at the bottom of a bearing device, after the unmanned aerial vehicle is connected with a lifting ring 3 of a suspension device, a control switch of a power supply 21 of an electromagnet 2 is firstly started, the electromagnet 2 is electrified to generate magnetic attraction, the unmanned aerial vehicle is started, and the suspension device is carried to fly to the position near the operation position;

step four: the ground controls and finely adjusts the position of the unmanned aerial vehicle, so that the suspension device is approximately aligned with the force bearing device, then the height of the unmanned aerial vehicle is slowly lowered, the suspension device is lowered to the top surface of the fixing ring 16 along the frustum-shaped limiting guide sleeve 17 by means of the magnetic attraction of the electromagnet 2 and the magnet connecting sleeve 19, so that the suspension device is tightly contacted with the force bearing device, the second driving motor 11 is started, and the second driving motor 11 enables the rotating screw 6 to move downwards through the driving helical gear 12 and the driven helical gear 14 to be in threaded connection with the magnet connecting sleeve 19; the unmanned aerial vehicle takes off, and the force bearing device connected with the suspension device carries the tools and materials in high altitude to return to the ground, so that the fixed-point automatic retraction of the tools and materials is completed.

When the device is used for withdrawing tools and materials from the high altitude after the operation is finished, the power supply 21 of the electromagnet 2 has switch control, the power supply switch of the electromagnet 2 is opened on the ground to enable the electromagnet 2 to have magnetic attraction after being electrified, the unmanned aerial vehicle carries the suspension device to fly above the bearing device to be aligned with the bearing device in the body, the height of the unmanned aerial vehicle is slowly reduced, the suspension device is reduced to the top surface of the fixing ring 16 along the frustum-shaped limiting guide sleeve 17 by means of the magnetic attraction of the electromagnet 2 and the magnet connecting sleeve 19, and the suspension device is in close contact with the bearing device

The forward rotation and the reverse rotation of the first driving motor 8 drive the transmission gear 9 to advance or withdraw from the screw bolt connection between the rotary screw 6 and the magnet connection sleeve 19, or the forward rotation and the reverse rotation of the second driving motor 11 drive or withdraw from the screw bolt connection between the rotary screw 6 and the magnet connection sleeve 19 through the driving helical gear 12 and the driven helical gear 14, so that the unmanned aerial vehicle can lift or return with the connected suspension device and the force bearing device, and the fixed-point automatic release and retraction of tools and materials at the operation position can be completed;

through the arrangement of the first driving motor 8 or the second driving motor 11 which has a remote control function and can rotate forwards and backwards, the operation of the device can be controlled on the ground, so that the forward rotation and the reverse rotation are realized, the rotary screw 6 is pushed forward and retreated reversely to be in threaded connection with the magnet connecting sleeve 9, and the effective control is realized.

The device and the method of the invention are used for realizing that the unmanned aerial vehicle hangs tools and materials to fly to the operation positions of the ultra-high voltage and ultra-high voltage transmission lines

The tower and the lead are placed, the fixed-point automatic releasing and withdrawing functions are realized, the labor intensity of maintenance operators is reduced, the safety factor of the operators is improved, the operation efficiency is improved, and the influence of adverse conditions such as mountainous areas and water areas on the operation is overcome.

The device has the advantages of simple structure, strong reliability, low cost, safety and reliability.

Finally, the above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.