CN217921121U

CN217921121U - Be applied to unmanned aerial vehicle's hoisting accessory

Info

Publication number: CN217921121U
Application number: CN202221868389.8U
Authority: CN
Inventors: 杜蒙军
Original assignee: Zhejiang Lishuai Magnetics Co ltd
Current assignee: Zhejiang Lishuai Magnetics Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-29
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a hoisting accessory for unmanned aerial vehicle, it includes device body and the hanging mechanism that the components of a whole that can function independently set up, the device body includes hoisting accessory and release mechanism, hoisting accessory and hanging mechanism are divided and are equipped with first magnet and second magnet, hanging mechanism can realize the magnetic connection with device body within presetting the interval; when the hanging mechanism is in magnetic connection with the device body, a magnetic isolation cavity is arranged between the first magnet and the second magnet, and the release mechanism can move relative to the first magnet and/or the second magnet and destroy the magnetic connection between the hoisting mechanism and the hanging mechanism. The utility model discloses a hoisting accessory can hoist and release goods and materials automatically, and convenient high efficiency can not destroy unmanned flight stability.

Description

Be applied to unmanned aerial vehicle's hoisting accessory

Technical Field

The utility model belongs to the technical field of hoisting accessory, concretely relates to be applied to unmanned aerial vehicle's hoisting accessory.

Background

Unmanned aerial vehicle is because its remote control, and the operation is nimble, and the wide application in a great deal of field, if can utilize it to transmit goods and materials and operation instrument etc. in complicated topography and complicated operation environment transportation, if can utilize unmanned aerial vehicle to transmit operation instrument to operation tower crane, will improve the operating efficiency by a wide margin to can ensure operation safety. However, in the prior art, when the unmanned aerial vehicle transports materials and operation tools, a simple hook 42 is mostly arranged below the unmanned aerial vehicle, the materials are manually hung on the hook 42, and after the materials and the operation tools reach a destination, the materials and the operation tools are taken down by operation personnel, so that the whole transfer and transportation process is complex, the starting place and the destination are matched with personnel, and the use is not efficient and convenient; and hang the in-process of goods and materials and get the thing material at personnel, very easily influence unmanned aerial vehicle's unsettled stability and flight stability.

Disclosure of Invention

The utility model discloses it is convenient inadequately high-efficient to lift by crane to transport the goods and materials to unmanned aerial vehicle among the prior art, easily influences the problem of the unsettled stability of unmanned aerial vehicle and flight stability, provides a be applied to unmanned aerial vehicle's hoisting accessory.

The utility model discloses a utility model purpose is realized through following technical scheme:

a hoisting device applied to an unmanned aerial vehicle comprises a device body and a hanging mechanism which are arranged in a split mode, wherein the device body is connected with the unmanned aerial vehicle, and the hanging mechanism is connected with an object to be hoisted;

the device body comprises a hoisting mechanism and a releasing mechanism; the hoisting mechanism and the hanging mechanism are respectively provided with a first magnet and a second magnet, the magnetic poles of the opposite ends of the first magnet and the second magnet are opposite, the hanging mechanism can realize magnetic connection with the device body within a preset distance, and when the hanging mechanism is in magnetic connection with the device body, a magnetism isolating cavity is formed between the first magnet and the second magnet;

the release mechanism is internally provided with a magnetism isolating piece which can enter and exit the magnetism isolating cavity, when the magnetism isolating piece enters the inside of the magnetism isolating cavity, the magnetism isolating piece is isolated between the first magnet and the second magnet, the damage device body is connected with the magnetic force of the hanging mechanism, when the magnetism isolating piece exits the magnetism isolating cavity, the magnetism isolating piece, the first magnet and the second magnet are in a staggered state, and the magnetic force connection of the device body and the hanging mechanism is not damaged.

Preferably, the release mechanism comprises a release arm, the release arm comprises a driving section and an assembling section, the driving section is connected with the driving assembly, the assembling section is horizontally arranged, and the magnetic isolation piece is fixedly arranged at the end part of the assembling section.

Preferably, the device body comprises a first casing, an assembly cavity with a downward cavity opening is formed in the first casing, and the first magnet and the magnetic isolation cavity are both located in the assembly cavity; a window for the release arm assembly section to enter and exit the assembly cavity is formed in the side wall of the first shell; the assembling section can horizontally reciprocate and drive the magnetism isolating piece to enter and exit the magnetism isolating cavity.

Preferably, the magnetism isolating member is a third magnet, and the magnetic poles of the opposite ends of the third magnet and the second magnet are the same. Separate magnetism spare and adopt the magnet, when effectively destroying magnetic attraction between first magnet and the second magnet, still can with the second magnet between produce repulsion, guarantee to hang dress mechanism and break away from the device body fast steadily, realize the goods and materials uninstallation, and do not destroy unmanned aerial vehicle's stationarity.

Preferably, a first assembly part is arranged in the assembly cavity, the first magnet is fixedly arranged at the upper part of the assembly part, an extension part extending downwards is arranged at the lower part of the assembly part, the magnetic isolation cavity is formed in the extension part, a first open slot for the magnetic isolation part to enter and exit the magnetic isolation cavity is formed in the side wall of the extension part, and the first open slot corresponds to the position of the window.

Preferably, the hoisting mechanism is further provided with a clamping component for clamping the hanging mechanism, the clamping component comprises two symmetrically arranged clamping arms which are respectively arranged on two sides of the first assembly part and located in the assembly cavity, each clamping arm comprises an upper hinged end and a lower clamping end, the two hinged ends are symmetrically hinged on the inner wall of the first housing through two hinged shafts, and the two clamping ends are arranged in opposite directions and can be clamped on the hanging mechanism.

Preferably, the two clamping arms are provided with linkage parts matched with the release arms, and the release arms provide release force for the clamping arms through the linkage parts.

Preferably, the linkage part is a linkage rod fixedly arranged on the inner wall of the clamping arm, and the axis of the linkage rod is perpendicular to the axis of the hinge shaft on the same side; two second open grooves for the linkage rods to extend into the magnetism isolating cavity are symmetrically formed in the side wall of the first assembly part extension portion, the two linkage rods extend into the magnetism isolating cavity from the second open grooves in the same side respectively, the end portions of the two linkage rods extend to the moving route of the assembly section, and the assembly section applies thrust to the two linkage rods in the process of entering the magnetism isolating cavity to force the two linkage rods to drive the two clamping arms to be gradually far away.

Preferably, the end part of the assembling section of the release arm is provided with a guide arc surface, and the end part of the linkage rod is provided with a yielding arc surface. The guide arc surface is matched with the abdicating arc surface, so that the resistance of the assembly section for pushing the linkage rod can be reduced, and the assembly section can be ensured to smoothly enter the magnetic isolation cavity.

Preferably, the two clamping arms are provided with a retaining piece for providing clamping force for the clamping arms, and the retaining pieces are arranged between the hinged end and the clamping end.

Preferably, the holding member is a pressure spring, the outer wall of each of the clamping arms is provided with a limiting groove, the limiting groove is provided near the clamping end, the side wall of the first housing is provided with a through hole corresponding to the limiting groove in position, the outer end of the through hole is provided with a bolt, one end of the pressure spring abuts against the limiting groove, the other end of the pressure spring abuts against the through hole, and the clamping ends of the two clamping arms always keep a tendency of being close to each other due to the pressure spring.

Preferably, the driving section of the release arm extends upwards vertically, the upper end of the driving section is connected with the driving component, the lower end of the driving section is connected with the assembling section, the driving component is assembled in the second casing, the second casing is also internally provided with a controller for receiving remote control signals and controlling the operation of the driving component, and the second casing is arranged right above the first casing.

Preferably, the hanging mechanism comprises a second assembly and a hook 42 fixedly arranged below the second assembly, and the second magnet is arranged inside the second assembly.

Preferably, the second assembly part comprises a conical table positioned at the upper part and a cylindrical table positioned at the lower part, the conical table and the cylindrical table are coaxially arranged, and an inner contraction edge is formed at the joint position of the conical table and the cylindrical table; the clamping end of the clamping arm is provided with a clamping hook, when the device body is magnetically connected with the hanging mechanism, the two clamping hooks are clamped on the cylindrical table, and the inward-closing edge is supported on the upper end face of the clamping hook.

Preferably, the clamping hook is formed with a guide inclined plane, the outer diameter of the conical table is gradually expanded from top to bottom, and the inclination of the guide inclined plane is adapted to the inclination of the side wall of the conical table.

Preferably, the inner edge of the cavity opening of the first housing is formed with a tapered edge, the tapered edge defines a bell mouth with a diameter gradually converging from bottom to top, and the minimum diameter of the bell mouth is matched with the maximum outer diameter of the second assembly part.

Compared with the prior art, the utility model discloses following beneficial effect has: the device body is connected with the hanging mechanism through magnetic force, the connection is rapid and convenient, and when the device body is connected with the hanging mechanism, the magnetic force can provide a guiding function, so that the device body and the hanging mechanism are ensured to be accurately connected; the release mechanism can destroy the magnetic connection and the mechanical connection between the device body and the hanging mechanism according to an instruction, so that automatic unloading of materials is realized, remote control can be realized in the whole material conveying process, and convenience and rapidness are realized; the material is lifted and unloaded without manual force application, the whole lifting device is stably stressed, and the suspension flight stability of the unmanned aerial vehicle cannot be damaged; the arrangement of the clamping assembly can effectively improve the connection stability of the device body and the hanging mechanism; the release arm and the clamping arm are linked by optimizing the structures of the release arm, the clamping arm and the first assembly part, when the release arm drives the magnetism isolating piece to enter the magnetism isolating cavity to destroy the magnetic connection between the device body and the hanging mechanism, the release arm releases the clamping force of the clamping arm on the hanging mechanism through the linkage piece, and the whole releasing and unloading process is rapid and stable; all be equipped with on first casing and the centre gripping arm with second assembly part complex guide structure, the second assembly part can accurately get into the assembly intracavity under the magnetic force guide effect, realizes device body and hangs the magnetic connection and the mechanical connection of dress mechanism simultaneously, and is high-efficient convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the lifting mechanism and the releasing mechanism of the present invention;

FIG. 4 is a schematic view of the lifting mechanism and the hanging mechanism of the present invention;

fig. 5 is a schematic structural view of a middle lifting mechanism of the present invention;

fig. 6 is a schematic structural view of a first housing of the present invention;

fig. 7 is a schematic structural view of the middle release arm of the present invention;

FIG. 8 is a schematic view of the structure of the middle clamp arm of the present invention;

FIG. 9 is a schematic view of a first assembly of the present invention;

FIG. 10 is a schematic structural view of the middle hanging mechanism of the present invention;

the labels in the figure are: a first housing 11; a window 111; a tapered edge 112; a second housing 12; a hook 13; a first fitting member 21; an extension 211; a first open groove 212; a second open groove 213; a magnetic shield cavity 214; a clamp arm 22; a hinge shaft 221; a linkage rod 222; a pressure spring 223; a holding hook 224; a guide slope 2241; a first magnet 23; a magnetic shield 24; the release arm 31; a drive section 311; an assembly section 312; a guide arc surface 3121; a third magnet 32; a linear motor 33; a lithium battery 34; a signal receiver 35; a second fitting 41; a conical table 411; a columnar stand 412; an adduction edge 413; a hook 42.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

referring to fig. 1-10, the embodiment discloses a lifting device applied to an unmanned aerial vehicle, which includes a device body and a hanging mechanism that are separately arranged, wherein the device body is hung below the unmanned aerial vehicle through a hook 13, and an object to be hung is hung below the hanging mechanism through a hook 42;

the device body comprises a hoisting mechanism, a releasing mechanism, a first casing 11 and a second casing 12, the main structures of the first casing 11 and the second casing 12 are cylindrical and coaxially arranged, the second casing 12 is fixedly arranged above the first casing 11, and a lifting hook 13 is assembled at the center of the top wall of the second casing 12.

The hoisting mechanism and the hanging mechanism are respectively provided with a first magnet 23 and a second magnet, the magnetic poles of the opposite ends of the first magnet 23 and the second magnet are opposite, the two magnets are cylindrical magnetic steel, and the magnetic pole of the lower end of the first magnet 23 is opposite to that of the upper end of the second magnet; the hanging mechanism can be connected with the device body in a magnetic force mode within a preset distance, the two magnetic steels can be automatically attracted within the range of 10CM of radius, and the position and the attraction condition of the hanging mechanism can be observed through a camera at the bottom of the unmanned aerial vehicle, so that the lifting operation is carried out; and when the hanging mechanism is magnetically connected with the device body, the first magnet 23 and the second magnet are in a non-contact state, a magnetic isolation cavity 214 is formed between the two,

the release mechanism is internally provided with a magnetism isolating piece which can enter and exit the magnetism isolating cavity 214, when the magnetism isolating piece enters the magnetism isolating cavity 214, the magnetism isolating piece is isolated between the first magnet 23 and the second magnet, the magnetic connection between the device body and the hanging mechanism is damaged, and when the magnetism isolating piece exits the magnetism isolating cavity 214, the magnetism isolating piece, the first magnet 23 and the second magnet are in a staggered state, and the magnetic connection between the device body and the hanging mechanism is not influenced; the release mechanism comprises a release arm 31, the release arm 31 comprises a driving section 311 and an assembling section 312, the driving section 311 of the release arm 31 extends upwards vertically, the upper end of the release arm 31 is connected with a driving assembly, the lower end of the release arm is connected with the assembling section 312, the driving member is assembled in the second casing 12, the driving assembly comprises a linear motor 33 and a lithium battery 34, a signal receiver 35 and a controller are further arranged in the second casing 12, the signal receiver 35 and the controller are used for receiving instructions and controlling the motor, when the lifting device unloads materials, the release arm 31 drives the magnetism isolating piece to enter the magnetism isolating cavity 214 by controlling the linear motor 33, the magnetic connection between the device body and the hanging mechanism is damaged, when the lifting device lifts and carries the materials, the release arm 31 drives the magnetism isolating piece to exit the magnetism isolating cavity 214 by controlling the linear motor 33, and the magnetic connection between the device body and the hanging mechanism is not obstructed. A magnetic isolation plate 24 is arranged between the second machine shell 12 and the first machine shell 11; the assembling section 312 is horizontally arranged, and the magnetic isolating piece is fixedly arranged at the end part of the assembling section 312; the magnetism isolating piece is a third magnet 32 in the embodiment, the magnetic poles of the opposite ends of the third magnet 32 and the second magnet are the same, the third magnet 32 is also cylindrical magnetic steel, the lower end of the third magnet 32 is the same as the magnetic pole of the upper end of the second magnet, the magnetism isolating piece adopts a magnet, when magnetic attraction between the first magnet 23 and the second magnet is effectively destroyed, repulsive force can be generated between the second magnet, the hanging mechanism can be guaranteed to be quickly and stably separated from the device body, and unloading of materials is achieved.

An assembly cavity with a downward cavity opening is formed inside the first housing 11, and the first magnet 23 and the magnetism isolating cavity 214 are arranged in the assembly cavity; a window 111 for the assembly section 312 of the release arm 31 to enter and exit the assembly cavity is formed in the side wall of the first housing 11; the assembling section 312 can make reciprocating translation along the horizontal direction and drive the magnetism isolating piece to enter and exit the magnetism isolating cavity 214; the first assembly part 21 is arranged in the assembly cavity, the first assembly part 21 is of a cylindrical structure and is coaxially arranged with the first housing 11, the first magnet 23 is fixedly arranged at the upper part of the assembly part, the lower part of the assembly part is provided with an extension part 211 extending downwards, the extension part 211 is of a hollow structure, the magnetism isolating cavity 214 is formed inside the extension part 211, the side wall of the extension part 211 is provided with a first opening groove 212 for the assembly section 312 of the release arm 31 to enter and exit, and the first opening groove 212 corresponds to the position of the window 111.

The mechanism that lifts by crane still disposes the centre gripping subassembly that is used for centre gripping hanging mechanism, the centre gripping subassembly includes the centre gripping arm 22 that two symmetries set up, and two centre gripping arms 22 are established respectively in first assembly part 21 both sides to be located the assembly chamber, centre gripping arm 22 all includes the hinged end of upper end and the exposed core of lower extreme, two the hinged end articulates on casing inner wall through two articulated shafts 221 symmetries, two the exposed core sets up in opposite directions to can the centre gripping on hanging mechanism. The connection stability of device body and hanging mechanism can effectively be improved in the setting of centre gripping subassembly, and unmanned aerial vehicle is when utilizing hoisting accessory delivery goods and materials, and hoisting accessory provides magnetic attraction and clamping-force simultaneously for hanging mechanism.

The two clamping arms 22 are respectively provided with a linkage piece matched with the release arm 31, the release arm 31 provides a release force for the clamping arms 22 through the linkage piece, the linkage piece is a linkage rod 222 fixedly arranged on the inner wall of the clamping arms 22, the linkage rod 222 is arranged close to the hinged ends, the two hinged ends are respectively arranged on two sides of the first assembly part 21, the axis of the linkage rod 222 is perpendicular to the axis of the hinged shaft 221 on the same side, and specifically, the linkage rod 222 is approximately vertically arranged on the inner wall of the clamping arms 22; two second open grooves 213 for the linkage rods 222 to extend into the magnetism isolating cavity 214 are symmetrically formed in the side wall of the extending portion 211 of the first assembly part 21, the two linkage rods 222 respectively extend into the magnetism isolating cavity 214 from the second open groove 213 on the same side, and the two second open grooves 213 are oppositely arranged and are respectively arranged on two sides of the first open groove 212; the end parts of the two linkage rods 222 extend to the moving route of the assembly section 312, when unloading materials are released, the assembly section 312 applies outward thrust to the two linkage rods 222 in the process of entering the magnetic connection between the destroying device body of the magnetism isolating cavity 214 and the hanging mechanism, so that the two linkage rods 222 drive the two clamping arms 22 to gradually move away, the clamping end releases the hanging mechanism, after both the magnetic force and the clamping force are destroyed, the unloading of the materials is realized, and the whole unloading process is efficient and convenient; the end of the assembling section 312 of the release arm 31 is provided with a guide arc surface 3121, the end of the linkage rod 222 is provided with a abdicating arc surface, and the guide arc surface 3121 is matched with the abdicating arc surface to reduce the resistance of the assembling section 312 to push the linkage rod 222 and ensure that the assembling section 312 smoothly enters the magnetism isolating cavity 214.

The two clamping arms 22 are provided with holding pieces for providing clamping force for the clamping arms 22, the holding pieces in the embodiment are pressure springs 223, the outer walls of the clamping arms 22 are provided with limiting grooves, the limiting grooves are formed close to the clamping ends, through holes corresponding to the limiting grooves in position are formed in the side wall of the first housing 11, bolts are assembled at the outer ends of the through holes, one ends of the pressure springs 223 are abutted to the limiting grooves, the other ends of the pressure springs 223 are abutted to the through holes, and the clamping ends of the two clamping arms 22 are always kept close to each other by the pressure springs 223.

The hanging mechanism comprises a second assembly part 41 and a hook 42 fixedly arranged below the second assembly part 41, the second magnet is assembled inside the second assembly part 41, and in order to reduce the weight of the lifting device and the load of the unmanned aerial vehicle, the first assembly part 21 and the second assembly part 41 are made of plastic materials; the second assembly 41 comprises a conical table 411 at the upper part and a cylindrical table 412 at the lower part, the conical table 411 and the cylindrical table 412 are coaxially arranged, and an inner contraction edge 413 is formed at the joint position of the conical table 411 and the cylindrical table 412; the clamping end of the clamping arm 22 is formed with a clamping hook 224, when the device body is magnetically connected with the hanging mechanism, the cylindrical table 412 is clamped between the two clamping hooks 224, the inward contraction edge 413 is supported on the upper end face of the clamping hook 224, and the opposite end faces of the two clamping hooks 224 are arc-shaped clamping end faces.

A guide inclined plane 2241 is formed on the clamping hook 224, the outer diameter of the conical table 411 is gradually expanded from top to bottom, and the inclination of the guide inclined plane 2241 is adapted to the inclination of the side wall of the conical table 411; the inner edge of the cavity opening of the first housing 11 is formed with a tapered edge 112, the tapered edge 112 defines a horn mouth with a diameter gradually reduced from bottom to top, the minimum diameter of the horn mouth is matched with the maximum outer diameter of the second assembly part 41, and the horn mouth is used as a guide structure, so that the second assembly part 41 can smoothly enter the assembly cavity under the magnetic guide effect, and the accurate connection of the device body and the hanging mechanism is realized. When the object to be lifted is lifted, the conical table 411 enters the assembly cavity from the cavity opening of the assembly cavity under the action of magnetic force, in the process that the conical table 411 gradually moves upwards, extrusion force is applied to the clamping hooks 224 to force the two clamping hooks 224 to be far away, after the conical table 411 passes through the clamping hooks 224, the upper end face of the conical table 411 is abutted to the lower end face of the extension portion 211 of the first assembly part 21, the magnetic connection between the device body and the hanging mechanism is achieved, the extrusion force disappears, the clamping arms 22 are close to each other under the action of the pressure springs 223 and reset to the clamping positions, the clamping hooks 224 are clamped on the cylindrical table 412, and the inward contraction edge 413 is supported on the clamping hooks 224, the mechanical connection between the device body and the hanging mechanism is achieved, the connection reliability between the device body and the hanging mechanism is improved due to the cooperation of the two connection modes of the magnetic connection and the mechanical connection, and the whole lifting process is efficient and convenient.

Whole hoisting accessory simple structure is compact, and each component position distributes rationally, and matter is light and the focus is stable, and the focus is located the center pin of device almost, makes whole device can follow vertically to hanging naturally, and cooperation unmanned aerial vehicle uses the flight stability that can not destroy unmanned aerial vehicle

It should be understood that in the claims and the description of the present invention, all of "including 8230 \8230;" including 8230; "being understood as an open meaning, i.e., the meaning is equivalent to" including at least 8230; \8230; "8230;" and "not being understood as a closed meaning, i.e., the meaning is not to be understood as" including only 8230; \8230; "8230;". The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The above description is only the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention should be covered within the scope of the present invention.

Claims

1. A hoisting device applied to an unmanned aerial vehicle is characterized by comprising a device body and a hanging mechanism which are arranged in a split manner, wherein the device body is connected with the unmanned aerial vehicle, and the hanging mechanism is connected with an object to be hoisted; the device body comprises a hoisting mechanism and a releasing mechanism, the hoisting mechanism and the hanging mechanism are respectively provided with a first magnet and a second magnet, the magnetic poles of the opposite ends of the first magnet and the second magnet are opposite, and the hanging mechanism can realize magnetic connection with the device body within a preset distance; the release mechanism can move relative to the first magnet and/or the second magnet and break the magnetic connection between the lifting mechanism and the hanging mechanism.

2. The lifting device applied to the unmanned aerial vehicle as claimed in claim 1, wherein when the hanging mechanism is magnetically connected with the device body, a magnetism isolating cavity is formed between the first magnet and the second magnet, the release mechanism is internally provided with a magnetism isolating piece which can enter and exit the magnetism isolating cavity, when the magnetism isolating piece enters the magnetism isolating cavity, the magnetism isolating piece is isolated between the first magnet and the second magnet, the magnetic connection between the device body and the hanging mechanism is damaged, and when the magnetism isolating piece exits the magnetism isolating cavity, the magnetism isolating piece, the first magnet and the second magnet are in a staggered state, and the magnetic connection between the device body and the hanging mechanism is not damaged.

3. The lifting device applied to the unmanned aerial vehicle as claimed in claim 2, wherein the release mechanism comprises a release arm, the release arm comprises a driving section and an assembling section, the driving section is connected with the driving assembly, the assembling section is horizontally arranged, and the magnetic shielding member is fixedly arranged at an end of the assembling section.

4. The lifting device applied to the unmanned aerial vehicle as claimed in claim 3, wherein the device body comprises a first housing, an assembly cavity with a downward opening is formed inside the first housing, and the first magnet and the magnetism isolating cavity are both located in the assembly cavity; a window for the release arm assembly section to enter and exit the assembly cavity is formed in the side wall of the first shell; the assembling section can horizontally reciprocate and drive the magnetism isolating piece to enter and exit the magnetism isolating cavity.

5. The lifting device applied to the unmanned aerial vehicle as claimed in claim 4, wherein the magnetism isolating piece is a third magnet, and the magnetic poles of the opposite ends of the third magnet and the second magnet are the same.

6. The lifting device applied to the unmanned aerial vehicle as claimed in claim 5, wherein a first assembly part is arranged in the assembly cavity, the first magnet is fixedly arranged at an upper part of the first assembly part, a downward extending part is arranged at a lower part of the first assembly part, the magnetism isolating cavity is formed in the extending part, a first open slot for the magnetism isolating part to enter and exit the magnetism isolating cavity is formed in a side wall of the extending part, and the first open slot corresponds to the position of the window.

7. The lifting device applied to the unmanned aerial vehicle as claimed in claim 6, wherein the driving section of the release arm extends upward in a vertical direction, the upper end of the release arm is connected with the driving assembly, the lower end of the release arm is connected with the assembling section, the driving assembly is assembled in the second housing, the second housing is further internally provided with a controller for receiving a remote control signal and controlling the operation of the driving assembly, and the second housing is arranged right above the first housing.

8. The lifting device applied to the unmanned aerial vehicle according to claim 6, wherein the lifting mechanism is further provided with a clamping component for clamping the hanging mechanism, the clamping component comprises two symmetrically arranged clamping arms, the two clamping arms are respectively arranged on two sides of the first assembly part and located in the assembly cavity, each clamping arm comprises an upper hinged end and a lower clamping end, the two hinged ends are symmetrically hinged to the inner wall of the first housing through two hinged shafts, and the two clamping ends are arranged in opposite directions and can clamp the hanging mechanism.

9. The lifting device applied to the unmanned aerial vehicle as claimed in claim 8, wherein a linkage piece matched with the release arm is arranged on each of the two clamping arms, and the release arm provides a release force for the clamping arms through the linkage pieces.

10. The lifting device applied to the unmanned aerial vehicle as claimed in claim 8, wherein the hanging mechanism comprises a second assembly part and a hook fixedly arranged below the second assembly part, and the second magnet is arranged inside the second assembly part; the second assembly part comprises a conical table positioned at the upper part and a cylindrical table positioned at the lower part, the conical table and the cylindrical table are coaxially arranged, and an inner contraction edge is formed at the joint position of the conical table and the cylindrical table; the clamping end of the clamping arm is formed with a clamping hook, when the device body is magnetically connected with the hanging mechanism, the two clamping hooks are clamped on the cylindrical table, and the inward contraction edge is supported on the upper end face of the clamping hook.