A demolition drone

By designing the connection support frame, cutting direction control component, telescopic component and balance component on the drone, combined with the inverted "eight" structure of the wire rope lifting device, the problem of the drone losing balance during the expansion and contraction process is solved, and the problem of the drone losing balance during the expansion and contraction is achieved. Accurate demolition and stable cutting of window guards and roofs.

CN118907424BActive Publication Date: 2024-12-13FUJIAN FURUIWANG TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202411405727.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2024-12-13
Estimated Expiration
2044-10-10

AI Technical Summary

Technical Problem

During the traditional demolition process, the drone is prone to lose balance when the telescopic parts are working and cannot complete accurate cutting, which poses safety hazards.

Method used

A demolition drone was designed, adopting a structure including connecting support frames, cutting direction control components, telescopic components and balance components. The lifting device with an inverted "eight" character structure is formed by a wire rope to control the second demolition device and the non-destruction device. The distance between human bodies ensures balance and stability.

Benefits of technology

Effectively maintain the balance of the drone during the demolition process, improve cutting stability and safety, and ensure that the drone can accurately complete the demolition task of window guards and roofs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN118907424B_ABST
    Figure CN118907424B_ABST
Patent Text Reader

Abstract

The present application discloses a demolition drone, which relates to the technical field of "drones", and includes a drone body, a landing gear installed on the lower side of the drone body, a first demolition device installed on the lower side of the drone body, a lifting device installed on the landing gear, and a second demolition device installed on the lifting device; the first demolition device is used to demolish the window guard; the second demolition device is used to demolish the roof; the first demolition device includes a connecting support frame installed on the drone body, a first demolition component is installed on the connecting support frame, a cutting direction control component is installed on the connecting support frame; a telescopic component is installed on the connecting support frame; a balancing component is installed on the connecting support frame; the balancing component is used to keep the demolition drone balanced; the second demolition device cooperates with the lifting device to maintain the balance of the demolition drone. The present application has the effect of "maintaining the balance of the drone during the demolition process".
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of unmanned aerial vehicles, and in particular to a demolition unmanned aerial vehicle. Background Art

[0002] Fires often occur in our daily lives, causing a lot of losses to our lives and property. During the rescue process of a fire, when the trapped people cannot evacuate from the safe passage, it is usually necessary to break the windows and rescue the trapped people from the windows. Nowadays, people usually install protective windows on the windows to prevent theft. Therefore, it is necessary to break the protective windows in and out; in the traditional breaking process, the firefighters need to be lifted to a certain height by a lifting bracket and then manually break the windows. At this time, air enters, and when the combustibles come into contact with the air, fire will spray out from the window, thus burying a great safety hazard for the life safety of the firefighters; therefore, the cutting equipment can be loaded on the drone equipment for breaking, and the cutting equipment can be contacted with the object to be cut by loading the telescopic rod on the drone, so that the drone can be kept at a certain distance from the fire source, but the drone is easy to lose balance during the operation of the telescopic parts, and accurate cutting cannot be completed. Summary of the invention

[0003] The purpose of this application is to provide a demolition drone to solve the technical problem that "the drone is easily caused to lose balance during the operation of the telescopic parts and cannot complete accurate cutting."

[0004] The present application provides a demolition drone that adopts the following technical solution: a demolition drone, comprising an unmanned aerial vehicle body, a landing gear installed on the lower side of the unmanned aerial vehicle body, a first demolition device installed on the lower side of the unmanned aerial vehicle body, a lifting device installed on the landing gear, and a second demolition device installed on the lifting device; the first demolition device is used for demolition of window guards; the second demolition device is used for demolition of roofs; the lifting device is used to control the distance between the second demolition device and the unmanned aerial vehicle body; the first demolition device comprises a connecting support frame installed on the unmanned aerial vehicle body, a first demolition component is installed on the connecting support frame, a cutting direction control component is installed on the connecting support frame, the cutting direction control component is used to control the cutting direction of the first demolition component; a telescopic component is installed on the connecting support frame; the telescopic component is used to control the telescopic movement of the first demolition component; a balancing component is installed on the connecting support frame; the balancing component is used to keep the demolition drone balanced;

[0005] The second demolition device is connected to the lifting device via a plurality of steel wire ropes; the steel wire ropes form an inverted "eight" structure with a larger top and a smaller bottom.

[0006] Optionally, the telescopic assembly includes a sliding platform slidably mounted on the lower side of the connecting support frame, and the first demolition assembly is mounted on the upper side of the sliding platform;

[0007] The balancing assembly includes a counterweight sliding block slidably mounted on the upper side of the connecting support frame; a sliding motor is fixed on the connecting support frame; the sliding motor is used to drive the sliding platform and the counterweight sliding block to move in opposite directions;

[0008] An upper limit track is fixed on the upper side of the connecting support frame; a lower limit track is fixed on the lower side of the connecting support frame; the counterweight sliding block is installed on the upper limit track; the sliding platform is installed on the lower limit track;

[0009] An upper rack is fixed on the upper side of the sliding platform; a lower rack is fixed on the lower side of the counterweight sliding block; a driving gear meshing with the upper rack and the lower rack is installed on the sliding motor; the driving gear is arranged between the upper rack and the lower rack;

[0010] The upper limit track and the lower limit track are provided with a driving channel for the driving gear to pass through.

[0011] Optionally, the first rescue assembly includes a rescue seat, on which a rescue motor is mounted; and a rescue cutting blade is mounted on the rescue motor.

[0012] Optionally, the cutting direction regulating assembly includes a rotating shaft mounted on the demolition seat and a plurality of rotating rings mounted on the sliding platform; the rotating shaft passes through the rotating ring; the rotating shaft is connected to the rotating ring bearing;

[0013] A rotation driving motor for driving the rotating shaft to rotate is fixed on the sliding platform.

[0014] Optionally, the landing gear includes a pair of landing support frames forming an "eight" structure; the landing support frames include a pair of parallel rods fixed to the lower side of the drone body and a horizontal support rod fixed to the lower side of the parallel rods; a shock absorber seat is installed on the horizontal support rod.

[0015] Optionally, the lifting device includes a fixed cylinder fixed on the parallel rods, a support plate is fixed on the fixed cylinder, a winding shaft is rotatably mounted on the support plate, a pair of winding drums are fixed on the winding shafts, a steel wire rope is wound on the winding drums, and a connecting piece connected to the steel wire rope is fixed on the second demolition device; a limiting wheel is fixed on the parallel rods; a wire equalizer is installed on the parallel rods, and the wire equalizer is used to control the steel wire rope to be evenly wound on the winding drum; a lifting motor is fixed on the support plate; the limiting wheel cooperates with the connecting piece to make the steel wire rope form an inverted "eight" structure.

[0016] Optionally, the averager includes an average plate fixed on the parallel rods; an average shaft is rotatably mounted on the average plate, a pair of bidirectional threaded rods are mounted on the average shaft, a change-of-direction baffle is fixed between the bidirectional threaded rods, a change-of-direction sleeve is mounted on the bidirectional threaded rods, a change-of-direction member is mounted on the change-of-direction sleeve, the change-of-direction member cooperates with the bidirectional threaded rods and the change-of-direction baffle to control the change-of-direction sleeve to move in different directions on the bidirectional threaded rods;

[0017] The direction-changing sleeve is rotatably mounted with a wire limiting ring; the wire rope passes through the wire limiting ring.

[0018] Optionally, the changing component includes a changing shaft rotatably mounted on a changing sleeve, a changing protrusion is fixed to one end of the changing shaft close to the bidirectional threaded rod, and a changing paddle is fixed to one end of the changing shaft away from the bidirectional threaded rod; the changing paddle cooperates with the averaging plate and the changing baffle.

[0019] Optionally, the second demolition device includes a demolition support platform, mobile track groups are installed on both sides of the demolition support platform, a telescopic rod is installed on the upper side of the demolition support platform, a cutting table is installed on the upper end of the telescopic rod, and a cutting motor is installed on the cutting table; a roof cutting blade is installed on the cutting motor; a cutting groove is provided on the demolition support platform for the roof cutting blade to pass through; a battery pack is installed on the cutting table; the mobile track group is driven by a mobile motor; the mobile motor is installed on the demolition support platform; the battery pack is used to power the cutting motor and the mobile motor; and the connecting parts are installed on both sides of the demolition support platform.

[0020] Optionally, the unmanned aerial vehicle body includes a fuselage, a plurality of arms are mounted on the fuselage, a propeller is mounted on one end of the arm away from the fuselage, and a battery pack is mounted on the lower side of the fuselage; a video acquisition device is mounted on the fuselage; the video acquisition device is used to capture cutting video of the first demolition device.

[0021] In summary, the present application includes at least one of the following beneficial technical effects:

[0022] 1. When the UAV is breaking the window guard, the telescopic component controls the first breaking device to move to break the window guard, and the balancing component extends in the opposite direction of the telescopic component to maintain the balance of the UAV.

[0023] 2. The lifting device is used to control the lifting of the second demolition device to lower the center of gravity of the drone, thereby increasing the cutting stability of the drone.

[0024] 3. The second demolition device is connected to the lifting device through multiple steel wire ropes; the steel wire ropes form an inverted "eight" structure with a larger top and a smaller bottom, which can offset the reaction force during the cutting process and improve the stability during the cutting process.

[0025] 4. The second demolition component can be placed on the roof through the lifting device to demolish the roof. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application;

[0027] Figure 2 It is a schematic diagram of the side structure of an embodiment of the present application;

[0028] Figure 3 This is a schematic diagram of the structure of the first demolition device in the embodiment of the present application;

[0029] Figure 4 This is an embodiment of the present application Figure 3 A schematic diagram of the partially enlarged structure at center A;

[0030] Figure 5 This is an embodiment of the present application Figure 3 A schematic diagram of the partially enlarged structure at B in the middle;

[0031] Figure 6 It is a schematic diagram of the structure of the landing gear and the lifting device of the embodiment of the present application;

[0032] Figure 7 It is a schematic diagram of the side view structure of the connection between the lifting device and the landing gear in the embodiment of the present application;

[0033] Figure 8 It is a schematic diagram of the structure of the lifting device of the embodiment of the present application;

[0034] Fig. 9 It is a schematic diagram of the side structure of the lifting device of an embodiment of the present application;

[0035] Fig.10 This is a schematic diagram of the structure of the direction-changing member in an embodiment of the present application;

[0036] Fig.11 It is a schematic diagram of the structure of the second demolition device in the embodiment of the present application;

[0037] Fig.12 It is a schematic diagram of the structure of the drone body according to an embodiment of the present application.

[0038] In the figure, 1, unmanned aerial vehicle body; 11, fuselage; 12, machine arm; 13, propeller; 14, battery pack; 15, video acquisition equipment; 2, landing gear; 21, landing support frame; 22, parallel rod; 23, horizontal support rod; 24, shock absorber seat; 3, first rescue device; 31, connecting support frame; 311, sliding motor; 312, upper limit track; 313, lower limit track; 314, driving gear; 315, driving channel; 32, first rescue component; 321, rescue seat; 322, rescue motor; 323, rescue cutting blade; 33, cutting direction control component; 331, rotating shaft; 332, rotating ring; 333, rotating drive motor; 34, telescopic component; 341, sliding table; 342, upper rack; 35, balance component; 351 , counterweight sliding block; 352, lower rack; 4, lifting device; 41, fixed cylinder; 42, support plate; 43, winding shaft; 44, winding drum; 45, wire rope; 46, limiting wheel; 47, averager; 471, averager plate; 472, averager shaft; 473, two-way threaded rod; 474, change-of-direction baffle; 475, change-of-direction sleeve; 476, change-of-direction piece; 477, wire limiting ring; 4761, change-of-direction shaft; 4762, change-of-direction protrusion; 4763, change-of-direction paddle; 48, lifting motor; 5, second demolition device; 51, connecting piece; 52, demolition support platform; 53, mobile crawler group; 54, telescopic rod; 55, cutting table; 56, cutting motor; 57, cutting groove; 58, battery pack; 59, mobile motor; 510, roof cutting blade. DETAILED DESCRIPTION

[0039] The following is combined with Figure 1 -Attached Fig.12 , further details of this application are given.

[0040] Reference Figure 1 , Figure 2A demolition drone comprises an unmanned aerial vehicle body 1, a landing gear 2 installed on the lower side of the unmanned aerial vehicle body 1, a first demolition device 3 installed on the lower side of the unmanned aerial vehicle body 1, a lifting device 4 installed on the landing gear 2, and a second demolition device 5 installed on the lifting device 4; the first demolition device 3 is used for demolition of window guards; the second demolition device 5 is used for demolition of roofs; the lifting device 4 is used to control the distance between the second demolition device 5 and the unmanned aerial vehicle body 1; the first demolition device 3 comprises a connecting support frame 31 installed on the unmanned aerial vehicle body 1, a first demolition component 32 is installed on the connecting support frame 31, a cutting direction control component 33 is installed on the connecting support frame 31, and the cutting direction control component 33 is used to control the distance between the second demolition device 5 and the unmanned aerial vehicle body 1; The first demolition component 32 is used to adjust the cutting direction; a telescopic component 34 is installed on the connecting support frame 31; the telescopic component 34 is used to control the telescopic extension of the first demolition component 32; a balancing component 35 is installed on the connecting support frame 31; the balancing component 35 is used to keep the demolition drone balanced; when the window guard is being demolished, the first demolition component 32 is controlled to extend to the window guard by the telescopic component 34 to cut the window guard, and the balancing component 35 extends in the opposite direction of the telescopic component 34, and the drone is controlled to balance by the lever principle, effectively preventing the drone from losing balance due to the extension of the telescopic component 34 and failing to complete the cutting; the cutting direction regulating component 33 can adjust the cutting direction of the first demolition component 32;

[0041] The second demolition device 5 is connected to the lifting device 4 through a plurality of steel wires 45; the second demolition device 5 can be raised and lowered by the lifting device 4, and the second demolition device 5 is placed on the roof to cut the roof;

[0042] When cutting the window guard, the lifting device 4 controls the second demolition device 5 to descend to a certain height, so that the overall center of gravity of the drone can be lowered, making the first demolition component 32 more stable during the cutting process;

[0043] The steel wire rope 45 forms a ladder-shaped structure with a large top and a small bottom. When the first demolition device 3 is cutting, when the second demolition device 5 descends, the center of gravity of the second demolition device 5 can be close to the center of gravity of the drone, so that the center of gravity of the second demolition device 5 and the center of gravity of the drone are close to the same vertical line, further maintaining the balance of the drone;

[0044] When the first demolition device 3 is cutting in the horizontal direction, the isosceles trapezoid formed by the multiple steel wire ropes 45, the drone body 1, and the second demolition device 3 can offset the reaction force generated by the cutting process through inertia, thereby maintaining the balance of the drone;

[0045] After the UAV has finished cutting, the UAV can quickly recover to a balanced state as a whole under the action of the multiple steel wire ropes 45 and the second demolition device 5 .

[0046] Reference Figure 2 , Figure 3 The telescopic assembly 34 includes a sliding platform 341 slidably mounted on the lower side of the connecting support frame 31, the first demolition assembly 32 is mounted on the upper side of the sliding platform 341, and the balancing assembly 35 includes a counterweight sliding block 351 slidably mounted on the upper side of the connecting support frame 31; a sliding motor 311 is fixed on the connecting support frame 31; the sliding motor 311 is used to drive the sliding platform 341 and the counterweight sliding block 351 to move in the opposite direction;

[0047] An upper limit track 312 is fixed on the upper side of the connecting support frame 31; a lower limit track 313 is fixed on the lower side of the connecting support frame 31; a counterweight sliding block 351 is installed on the upper limit track 312; and a sliding platform 341 is installed on the lower limit track 313;

[0048] An upper rack 342 is fixed on the upper side of the sliding platform 341; a lower rack 352 is fixed on the lower side of the counterweight sliding block 351; a driving gear 314 meshing with the upper rack 342 and the lower rack 352 is installed on the sliding motor 311; the driving gear 314 is arranged between the upper rack 342 and the lower rack 352;

[0049] Reference Figure 3 , Figure 4 A driving channel 315 is provided on the upper limit track 312 and the lower limit track 313 for the driving gear 314 to pass through; the sliding motor 311 drives the driving gear 314 to rotate, and the upper side of the driving gear 314 is meshed with the upper rack 352 on the lower side of the counterweight sliding block 351, and the lower side of the driving gear 314 is meshed with the lower rack 342. When the driving gear 314 rotates, the sliding platform 341 and the counterweight sliding block 351 move in opposite directions at the same time, thereby maintaining the overall balance of the drone.

[0050] Reference Figure 3 The first demolition component 32 includes a demolition seat 321, on which a demolition motor 322 is installed; a demolition cutting blade 323 is installed on the demolition motor 322; the sliding platform 341 moves the first demolition component 32 to the window protection position, and the demolition motor 322 drives the demolition cutting blade 323 to rotate to cut the window protection.

[0051] Reference Figure 3 , Figure 5 The cutting direction control component 33 includes a rotating shaft 331 installed on the demolition seat 321 and a plurality of rotating rings 332 installed on the sliding platform 341; the rotating shaft 331 passes through the rotating ring 332; the rotating shaft 331 is connected to the rotating ring 332 by bearings; a rotating drive motor 333 is fixed on the sliding platform 341 to drive the rotating shaft 331 to rotate; the demolition seat 321 is installed on the rotating shaft 331, and the rotating drive motor 333 drives the rotating shaft 331 to rotate to control the cutting angle of the demolition cutting blade 323, so that the first demolition component 32 can complete cutting at different angles.

[0052] Reference Figure 6 The landing gear 2 includes a pair of landing support frames 21 forming an "eight" structure; the landing support frames 21 include a pair of parallel rods 22 fixed to the lower side of the drone body 1 and a horizontal support rod 23 fixed to the lower side of the parallel rods 22; a shock-absorbing seat 24 is installed on the horizontal support rod 23; when the drone lands, the body is kept balanced.

[0053] Reference Figure 7 , Figure 8 The lifting device 4 includes a fixed cylinder 41 fixed on the parallel rod 22, a support plate 42 is fixed on the fixed cylinder 41, a winding shaft 43 is rotatably installed on the support plate 42, a pair of winding drums 44 are fixed on the winding shaft 43, a wire rope 45 is wound on the winding drum 44, and a pair of connecting members 51 connected to the wire rope 45 are fixed on the second demolition device 5; a lifting motor 48 is fixed on the support plate 42; one end of the wire rope 45 is connected to the connecting member 51, and the connecting member 51 is installed on both sides of the second demolition device 5, and the lifting motor 48 controls the rotation of the winding shaft 43 to wind the wire rope 45 on the winding drum 44, so as to control the second demolition device 5 to move up and down;

[0054] Reference Figure 7 , Figure 8 , Fig. 9 , a limit wheel 46 is fixed on the parallel rod 22; a line equalizer 47 is installed on the parallel rod 22, and the line equalizer 47 is used to control the steel wire rope 45 to be evenly wound on the winding drum 44; the limit wheel 46 cooperates with the connecting piece 51 to make the steel wire rope 45 form an inverted "eight" structure; the distance between the connecting pieces 51 is smaller than the distance between a pair of limit wheels 46, and the limit wheel 46 limits the distance between the upper ends of the steel wire rope 45, and the lower end of the steel wire rope 45 is connected to the connecting piece 51, so that the steel wire rope 45 forms an inverted "eight" structure after being connected, so that the center of gravity of the drone is closer to the vertical center position of the drone when breaking the window guard;

[0055] When the first demolition device 32 cooperates with the steel wire rope 45 during horizontal cutting, it can absorb the horizontal reaction force, making the man-machine more balanced;

[0056] When the transverse cutting is completed, the balance state can be quickly restored under the action of the second breaking device 5 and the wire rope 45;

[0057] The parallel rod 22 is provided with a wire averaging device 47 to evenly wind the steel wire rope 45 around the limiting wheel 46 , so that the steel wire rope 45 can be released more smoothly.

[0058] Reference Figure 8 , Fig. 9The averaging device 47 includes an averaging plate 471 fixed on the parallel rod 22; an averaging shaft 472 is rotatably mounted on the averaging plate 471, a pair of bidirectional threaded rods 473 are mounted on the averaging shaft 472, a change-of-direction baffle 474 is fixed between the bidirectional threaded rods 473, a change-of-direction sleeve 475 is mounted on the bidirectional threaded rod 473, a change-of-direction member 476 is mounted on the change-of-direction sleeve 475, and the change-of-direction member 476 cooperates with the bidirectional threaded rod 473 and the change-of-direction baffle 474 to control the change-of-direction sleeve 475 to move in different directions on the bidirectional threaded rod 473; during the rotation of the bidirectional threaded rod 473, the change-of-direction sleeve 475 moves on the bidirectional threaded rod 473, and after the change-of-direction member 476 moves to the end and touches the change-of-direction baffle 474, the moving direction of the change-of-direction sleeve 475 is changed;

[0059] The direction-changing sleeve 475 is equipped with a wire limiting ring 477; the wire rope 45 passes through the wire limiting ring 477; the wire limiting ring 477 limits the wire rope 45 on the direction-changing sleeve 475, and the direction-changing sleeve 475 evenly winds the wire rope 45 on the winding drum 44 during the movement;

[0060] Reference Fig. 9 , Fig.10 The direction-changing member 476 includes a direction-changing shaft 4761 rotatably mounted on the direction-changing sleeve 475, a direction-changing protrusion 4762 is fixed to one end of the direction-changing shaft 4761 close to the bidirectional threaded rod 473, and a direction-changing paddle 4763 is fixed to one end of the direction-changing shaft 4761 away from the bidirectional threaded rod 473; the direction-changing paddle 4763 cooperates with the averaging plate 471 and the direction-changing baffle 474; when the direction-changing paddle 4763 contacts the direction-changing baffle 474, the direction-changing shaft 4761 rotates a certain angle to change the angle of the direction-changing protrusion 4762, and the moving direction changes under the action of the bidirectional threaded rod 473.

[0061] Reference Fig.11 The second demolition device 5 includes a demolition support platform 52, on both sides of which are mounted mobile crawler groups 53, a telescopic rod 54 is mounted on the upper side of the demolition support platform 52, a cutting platform 55 is mounted on the upper end of the telescopic rod 54, and a cutting motor 56 is mounted on the cutting platform 55; a roof cutting blade 510 is mounted on the cutting motor 56; a cutting groove 57 is provided on the demolition support platform 52 for the roof cutting blade 510 to pass through; a battery pack 58 is mounted on the cutting platform 55; the mobile crawler group 53 is driven by a mobile motor 59; the mobile motor 59 is mounted on the demolition support platform 52; the battery pack 58 is used to power the cutting motor 56 and the mobile motor 59; the connecting piece 51 is mounted on both sides of the demolition support platform 52; when the second demolition device 5 is placed on the roof, the telescopic rod 54 controls the cutting platform 55 to descend, and the cutting motor 56 controls the roof cutting blade 510 to rotate to cut the roof;

[0062] The mobile crawler group 53 controls the second demolition device 5 to move horizontally, and the unmanned aerial vehicle body 1 and the lifting device 4 control the second demolition device 5 to change direction.

[0063] Reference Fig.12 The unmanned aerial vehicle body 1 includes a fuselage 11, a plurality of arms 12 are mounted on the fuselage 11, a propeller 13 is mounted at one end of the arm 12 away from the fuselage 11, and a battery pack 14 is mounted on the lower side of the fuselage 11; a video acquisition device 15 is mounted on the fuselage 11; the video acquisition device 15 is used to capture the cutting video of the first demolition device 3.

[0064] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A demolition drone, characterized by: The invention comprises an unmanned aerial vehicle (1), a landing gear (2) mounted on the lower side of the unmanned aerial vehicle (1), a first demolition device (3) mounted on the lower side of the unmanned aerial vehicle (1), a lifting device (4) mounted on the landing gear (2), and a second demolition device (5) mounted on the lifting device (4); the first demolition device (3) is used for demolishing a window guard; the second demolition device (5) is used for demolishing a roof; the lifting device (4) is used for controlling the distance between the second demolition device (5) and the unmanned aerial vehicle (1); the first demolition device (3) comprises a first demolition device (5) mounted on the unmanned aerial vehicle (1); A connecting support frame (31) is provided, a first demolition component (32) is installed on the connecting support frame (31), a cutting direction regulating component (33) is installed on the connecting support frame (31), and the cutting direction regulating component (33) is used to regulate the cutting direction of the first demolition component (32); a telescopic component (34) is installed on the connecting support frame (31); the telescopic component (34) is used to control the telescopic movement of the first demolition component (32); a balancing component (35) is installed on the connecting support frame (31); the balancing component (35) is used to maintain the balance of the demolition drone; The second demolition device (5) is connected to the lifting device (4) via a plurality of steel wire ropes (45); the steel wire ropes (45) form an inverted "eight" structure with a larger top and a smaller bottom.

2. A demolition drone according to claim 1, characterized in that: The telescopic assembly (34) comprises a sliding platform (341) slidably mounted on the lower side of the connecting support frame (31), and the first demolition assembly (32) is mounted on the upper side of the sliding platform (341); The balancing assembly (35) comprises a counterweight sliding block (351) slidably mounted on the upper side of the connecting support frame (31); a sliding motor (311) is fixed on the connecting support frame (31); the sliding motor (311) is used to drive the sliding platform (341) and the counterweight sliding block (351) to move in opposite directions; An upper limit track (312) is fixed on the upper side of the connecting support frame (31); a lower limit track (313) is fixed on the lower side of the connecting support frame (31); the counterweight sliding block (351) is mounted on the upper limit track (312); and the sliding platform (341) is mounted on the lower limit track (313); An upper rack (342) is fixed on the upper side of the sliding platform (341); a lower rack (352) is fixed on the lower side of the counterweight sliding block (351); a driving gear (314) meshing with the upper rack (342) and the lower rack (352) is mounted on the sliding motor (311); the driving gear (314) is arranged between the upper rack (342) and the lower rack (352); The upper limit track (312) and the lower limit track (313) are provided with a driving channel (315) through which the driving gear (314) passes.

3. A demolition drone according to claim 2, characterized in that: The first demolition component (32) comprises a demolition seat (321), on which a demolition motor (322) is mounted; and on which a demolition cutting blade (323) is mounted.

4. A demolition drone according to claim 3, characterized in that: The cutting direction regulating component (33) comprises a rotating shaft (331) mounted on the demolition seat (321) and a plurality of rotating rings (332) mounted on the sliding platform (341); the rotating shaft (331) passes through the rotating ring (332); the rotating shaft (331) and the rotating ring (332) are bearing-connected; A driving motor (333) for driving the rotating shaft (331) to rotate is fixed on the sliding platform (341).

5. A demolition drone according to claim 1, characterized in that: The landing gear (2) comprises a pair of landing support frames (21) forming an "eight" structure; the landing support frames (21) comprise a pair of parallel rods (22) fixed to the lower side of the unmanned aerial vehicle body (1) and a horizontal support rod (23) fixed to the lower side of the parallel rods (22); a shock absorbing seat (24) is mounted on the horizontal support rod (23).

6. A demolition drone according to claim 5, characterized in that: The lifting device (4) comprises a fixing cylinder (41) fixed on the parallel rod (22), a support plate (42) fixed on the fixing cylinder (41), a winding shaft (43) rotatably mounted on the support plate (42), a pair of winding drums (44) fixed on the winding shaft (43), the steel wire rope (45) being wound around the winding drums (44), and a connecting piece (51) connected to the steel wire rope (45) being fixed on the second demolition device (5); a limiting wheel (46) being fixed on the parallel rod (22); a wire averaging device (47) being mounted on the parallel rod (22), the wire averaging device (47) being used to control the steel wire rope (45) to be evenly wound around the winding drums (44); a lifting motor (48) being fixed on the support plate (42); the limiting wheel (46) cooperates with the connecting piece (51) to allow the steel wire rope (45) to form an inverted "eight" structure.

7. A demolition drone according to claim 6, characterized in that: The line mover (47) comprises a line mover plate (471) fixed on the parallel rod (22); a line mover shaft (472) is rotatably mounted on the line mover plate (471); a pair of bidirectional threaded rods (473) are mounted on the line mover shaft (472); a direction-changing baffle plate (474) is fixed between the bidirectional threaded rods (473); a direction-changing sleeve (475) is mounted on the bidirectional threaded rod (473); a direction-changing member (476) is mounted on the direction-changing sleeve (475); the direction-changing member (476) cooperates with the bidirectional threaded rod (473) and the direction-changing baffle plate (474) to control the direction-changing sleeve (475) to move in different directions on the bidirectional threaded rod (473); The direction-changing sleeve (475) is provided with a steel wire limiting ring (477); the steel wire rope (45) passes through the steel wire limiting ring (477).

8. A demolition drone according to claim 7, characterized in that: The direction-changing member (476) comprises a direction-changing rotating shaft (4761) rotatably mounted on a direction-changing sleeve (475); a direction-changing protrusion (4762) is fixed to one end of the direction-changing rotating shaft (4761) mounted close to the bidirectional threaded rod (473); and a direction-changing paddle (4763) is fixed to one end of the direction-changing rotating shaft (4761) away from the bidirectional threaded rod (473); the direction-changing paddle (4763) cooperates with the averaging plate (471) and the direction-changing baffle (474).

9. A demolition drone according to claim 8, characterized in that: The second demolition device (5) comprises a demolition support platform (52), wherein movable track groups (53) are installed on both sides of the demolition support platform (52), a telescopic rod (54) is installed on the upper side of the demolition support platform (52), a cutting platform (55) is installed on the upper end of the telescopic rod (54), and a cutting motor (56) is installed on the cutting motor (56); a roof cutting blade (510) is installed on the cutting motor (56); a cutting groove (57) is provided on the demolition support platform (52) for the roof cutting blade (510) to pass through; a battery group (58) is installed on the cutting platform (55); the movable track group (53) is driven by a moving motor (59); the moving motor (59) is installed on the demolition support platform (52); the battery group (58) is used to supply power to the cutting motor (56) and the moving motor (59); and the connecting member (51) is installed on both sides of the demolition support platform (52).

10. A demolition drone according to claim 1, characterized in that: The unmanned aerial vehicle (1) comprises a fuselage (11), a plurality of arms (12) are mounted on the fuselage (11), a propeller (13) is mounted on one end of the arm (12) away from the fuselage (11), and a battery pack (14) is mounted on the lower side of the fuselage (11); a video acquisition device (15) is mounted on the fuselage (11); the video acquisition device (15) is used to capture cutting video of the first demolition device (3).