Unmanned aerial vehicle for fire rescue and method of use thereof

Abstract

The application discloses a fire rescue unmanned aerial vehicle and a use method thereof, and relates to the technical field of fire rescue unmanned aerial vehicles. The fire rescue unmanned aerial vehicle comprises a body and a protective shell, the inner surface of the protective shell is fixedly connected with a heat insulation pad, the outer surface of the protective shell is fixedly connected with a transparent visual window, the inside of the body is fixedly connected with an infrared thermal imager and a high-definition camera, the outer surface of the protective shell is fixedly connected with a mechanical arm and a cleaning device, the end of the mechanical arm is provided with a propeller, the side of the lower surface of the protective shell is fixedly connected with a landing gear, the lower surface of the protective shell is fixedly connected with a hoisting device, the outer surface of the landing gear is fixedly connected with a cross rod, and the outer surface of the cross rod is fixedly connected with a fixing device. Through the fixing device, the safety of the unmanned aerial vehicle in the process of transporting rescue materials is improved. Through the cleaning device, the function of automatically cleaning the ash is realized, and the lens of the high-definition camera is prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fire rescue unmanned aerial vehicles, in particular to a fire rescue unmanned aerial vehicle and a use method thereof. BACKGROUND

[0002] The fire rescue unmanned aerial vehicle is a kind of unmanned aircraft using radio remote control equipment and self-provided program control, mainly used in the field of fire rescue, and widely applied to various fire and emergency rescue scenes, including chemical plant fire, forest fire and high-rise fire, etc. They have strong environmental adaptability, can perform tasks in adverse weather conditions, and have large load capacity, and can carry various rescue materials.

[0003] The existing fire rescue unmanned aerial vehicle usually transports rescue materials by hoisting, but the hoisted rescue materials may shake during the flight of the unmanned aerial vehicle, affecting the stability of the unmanned aerial vehicle, and when the unmanned aerial vehicle works at the fire scene, since there are a lot of soot at the fire scene, it is easy to adhere to the lens of the high-definition camera, affecting the definition of the lens, thereby affecting the observation of the unmanned aerial vehicle on the fire scene. SUMMARY

[0004] In view of the existing problems, the present application provides a fire rescue unmanned aerial vehicle and a use method thereof to solve the existing problems in the background art.

[0005] To solve the above problems, the unmanned aerial vehicle for fire rescue is realized by the following technical scheme: a unmanned aerial vehicle for fire rescue, including body and protective shell, the inner surface of the protective shell is fixedly connected with heat insulation pad, the outer surface of the protective shell is fixedly connected with transparent visual window, the inside of the body is fixedly connected with infrared thermal imager and high-definition camera, the outer surface of the protective shell is fixedly connected with machine arm and cleaning device, the end of the machine arm is provided with propeller, the edge of the lower surface of the protective shell is fixedly connected with landing gear, the lower surface of the protective shell is fixedly connected with hoisting device, the outer surface of the landing gear is fixedly connected with crossbar, the outer surface of the crossbar is fixedly connected with fixing device, the fixing device includes fixing seat, the inside of the fixing seat is fixedly connected with electric cylinder, the output end of the electric cylinder is fixedly connected with U-shaped pipe, the inner surface of the U-shaped pipe is slidably connected with first push rod and second push rod, the end of the first push rod is fixedly connected with clamping plate, the end of the second push rod is fixedly connected with supporting plate, the outer surface of the U-shaped pipe is sleeved with spring, the cleaning device includes support frame and supporting plate, the upper surface of the support frame is fixedly connected with second motor, the output end of the second motor is fixedly connected with lead screw, the outer surface of the lead screw is threadedly connected with sliding block, the outer surface of the sliding block is fixedly connected with connecting shaft, the outer surface of the connecting shaft is provided with wiping pad, the outer surface of the connecting shaft is fixedly connected with first connecting rod and second connecting rod, the bottom end of the first connecting rod is fixedly connected with air pump, the outer surface of the air pump is fixedly connected with conduit, the outer surface of the conduit is fixedly connected with air jet pipe.

[0006] Preferably, the inner surface of the heat insulation pad is fixedly connected to the outer surface of the body, the transparent visual window is arranged outside the infrared thermal imager and the high-definition camera, and the landing gear and the fixing device are symmetrically arranged on both sides of the hoisting device.

[0007] Preferably, the hoisting device includes a fixed shell, the top of the fixed shell is fixedly connected to the lower surface of the protective shell, the outer surface of the fixed shell is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a winding shaft.

[0008] Preferably, the winding shaft is rotatably connected to the inside of the fixed shell at the end away from the first motor, the outer surface of the winding shaft is fixedly connected with a steel wire rope, and the steel wire rope is arranged in the inner cavity of the fixed shell.

[0009] Preferably, the end of the steel wire rope away from the winding shaft is fixedly connected with a hook, the bottom of the fixed shell is provided with a through hole, and the outer surface of the steel wire rope penetrates through the through hole.

[0010] Preferably, the inside of the fixing seat is fixedly connected to the middle of the outer surface of the crossbar, the first push rod and the second push rod are respectively arranged at both ends of the U-shaped pipe, and the outer surfaces of the first push rod and the second push rod penetrate through the ends of the U-shaped pipe.

[0011] Preferably, the supporting plate is arranged below the clamping plate, the outer surface of the U-shaped pipe is fixedly connected with the connecting plate, the end of the spring is fixedly connected with the outer surface of the connecting plate, and the end of the spring away from the connecting plate is fixedly connected with the outer surface of the supporting plate.

[0012] Preferably, the bottom of the supporting frame is fixedly connected with the upper surface of the protective shell, the end of the supporting plate is fixedly connected with the outer surface of the protective shell, the end of the lead screw away from the second motor is rotatably connected with the upper surface of the supporting plate, and the supporting frame, the supporting plate, the second motor, the lead screw and the sliding block are symmetrically arranged at the two ends of the connecting shaft.

[0013] Preferably, the outer surface of the wiping pad is fixedly connected with the adhesive part at the edge, the wiping pad and the air jet pipe are arranged outside the transparent visual window, and the output end of the air jet pipe is aligned with the outer surface of the transparent visual window.

[0014] A use method of the unmanned aerial vehicle for fire rescue, comprising the following steps: hanging the rescue materials with the hook, controlling the unmanned aerial vehicle to take off, under the action of gravity, the rescue materials are hung below the unmanned aerial vehicle by the steel wire rope, controlling the first motor to drive the winding shaft to rotate to wind the steel wire rope until the rescue materials are between the two clamping plates, driving the electric cylinder to elongate so that the two clamping plates are clamped on the two sides of the rescue materials, at this time, the supporting plate moves to the edge of the bottom of the rescue materials and supports the edge of the bottom of the rescue materials, so that the rescue materials are fixed during the flight of the unmanned aerial vehicle, after the unmanned aerial vehicle flies to the position of the rescue materials, the electric cylinder is shortened, the clamping plate and the supporting plate are away from the rescue materials, the first motor is controlled to drive the winding shaft to rotate reversely to release the steel wire rope, so that the rescue materials are smoothly dropped to the required position, when the unmanned aerial vehicle works at the fire scene, if it is found that the surface of the transparent visual window is blocked by the ash, the second motor is started to move the sliding block downward along the lead screw, the air jet pipe and the wiping pad move downward, the air pump is started to make the air jet pipe spray high-pressure airflow to the transparent visual window, the transparent visual window is preliminarily cleaned, the wiping pad then wipes the residual ash on the surface of the transparent visual window clean, so that the field of view of the high-definition camera is clear.

[0015] The application provides an unmanned aerial vehicle for fire rescue and a use method thereof.

[0016] I. The unmanned aerial vehicle for fire rescue is provided with the heat insulation pad and the transparent visual window, the heat insulation pad is used for blocking heat and reducing the influence of heat at the scene on the electronic elements in the unmanned aerial vehicle during fire rescue, the transparent visual window is used for blocking the dust and dirt at the rescue scene from adhering to the infrared thermal imager and the high-definition camera, the transparent visual window is convenient to clean and can further improve the protection of the infrared thermal imager and the high-definition camera, and the service life of the device is prolonged.

[0017] II. The unmanned aerial vehicle for fire rescue, through the hoisting device, uses the steel wire rope winding and release to hoist and deliver the rescue materials, can make the unmanned aerial vehicle deliver the materials in the air, so as to avoid that the unmanned aerial vehicle cannot be parked in some narrow rescue places, compared with the way that the fixed length hoisting rope is commonly used in the prior art to hoist the materials, the flexibility of the hoisting device is stronger, and the rescue materials can be conveniently delivered to the place where the unmanned aerial vehicle is difficult to land.

[0018] III. The unmanned aerial vehicle for fire rescue, through the cooperation between the hoisting device and the fixing device, when the hoisting device hoists the rescue materials, the steel wire rope is wound to make the materials be between the clamping plates, then the clamping plates of the fixing device clamp the two sides of the rescue materials, meanwhile, the supporting plate can support the edge at the bottom of the rescue materials, the acting force received by the steel wire rope is dispersed, the durability of the steel wire rope is improved, the service life of the steel wire rope is prolonged, so as to avoid that the carrying goods falls due to the fracture of the steel wire rope caused by frequent use, and the rescue materials can be fixed, the shaking of the rescue materials caused by being in the hanging state is prevented, and the safety in the process that the unmanned aerial vehicle transports the rescue materials is further improved.

[0019] IV. The unmanned aerial vehicle for fire rescue, through the cleaning device, when the surface of the transparent visual window is adhered with the soot, the cleaning device uses the high-pressure airflow sprayed by the air jet pipe to preliminarily clean the soot, and the wiping pad subsequently performs secondary cleaning, so as to realize the function of automatically cleaning the soot, so as to avoid that the soot blocks the lens of the high-definition camera in the process of rescue at the fire scene, the lens of the high-definition camera is prevented from being blocked, and the unmanned aerial vehicle is facilitated to transmit the clear fire scene condition through the high-definition camera. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure schematic view of the application;

[0021] Figure 2 It is the second perspective structure schematic view of the overall structure of the application;

[0022] Figure 3 It is the third perspective structure schematic view of the overall structure of the application;

[0023] Figure 4 It is the structure schematic view of the hoisting device of the application;

[0024] Figure 5 It is the structure schematic view of the fixing device of the application;

[0025] Figure 6 It is the sectional structure schematic view of the fixing device of the application;

[0026] Figure 7 It is the structure schematic view of the cleaning device of the application.

[0027] In the figure: 1, body; 2, protective shell; 3, heat insulation pad; 4, transparent viewing window; 5, infrared thermal imager; 6, high-definition camera; 7, arm; 8, propeller; 9, landing gear; 10, hoisting device; 101, fixed shell; 102, first motor; 103, winding shaft; 104, steel wire rope; 105, hook; 106, through hole; 11, crossbar; 12, fixing device; 121, fixing seat; 122, electric cylinder; 123, U-shaped pipe; 124, first push rod; 125, second push rod; 126, clamping plate; 127, supporting plate; 128, connecting plate; 129, spring; 13, cleaning device; 1301, support frame; 1302, support plate; 1303, second motor; 1304, lead screw; 1305, sliding block; 1306, connecting shaft; 1307, wiping pad; 1308, adhesive part; 1309, first connecting rod; 1310, second connecting rod; 1311, air pump; 1312, conduit; 1313, air jet pipe. DETAILED DESCRIPTION

[0028] The application will be further described below in conjunction with the drawings and specific embodiments. The embodiments of the application are given for illustrative and descriptive purposes only and are not exhaustive or limiting of the application. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the application and its practical application and to enable others skilled in the art to best utilize the application in various embodiments with various modifications as are suited to the particular use contemplated.

[0029] Embodiment 1

[0030] As Figures 1-7As shown, the present invention provides a technical solution: a fire rescue drone, comprising a body 1 and a protective shell 2. A heat insulation pad 3 is fixedly connected to the inner surface of the protective shell 2, and a transparent viewing window 4 is fixedly connected to the outer surface of the protective shell 2. An infrared thermal imager 5 and a high-definition camera 6 are fixedly connected inside the body 1. An arm 7 and a cleaning device 13 are fixedly connected to the outer surface of the protective shell 2. A propeller 8 is provided at the end of the arm 7. A landing gear 9 is fixedly connected to the side of the lower surface of the protective shell 2. A hoisting device 10 is fixedly connected to the lower surface of the protective shell 2. A crossbar 11 is fixedly connected to the outer surface of the landing gear 9. A fixing device 12 is fixedly connected to the outer surface of the crossbar 11. The fixing device 12 includes a fixing seat 121. An electric cylinder 122 is fixedly connected inside the fixing seat 121. A U-shaped tube 123 is fixedly connected to the output end of the electric cylinder 122. A first push rod 124 and a second push rod 124 are slidably connected to the inner surface of the U-shaped tube 123. The first push rod 124 is fixedly connected to a clamping plate 126 at its end, and the second push rod 125 is fixedly connected to a support plate 127 at its end. A spring 129 is sleeved on the outer surface of the U-shaped tube 123. The cleaning device 13 includes a support frame 1301 and a support plate 1302. A second motor 1303 is fixedly connected to the upper surface of the support frame 1301. A lead screw 1304 is fixedly connected to the output end of the second motor 1303. A slider 1305 is threadedly connected to the outer surface of the lead screw 1304. A connecting shaft 1306 is fixedly connected to the outer surface of the slider 1305. A wiping pad 1307 is provided on the outer surface of the connecting shaft 1306. A first connecting rod 1309 and a second connecting rod 1310 are fixedly connected to the outer surface of the connecting shaft 1306. An air pump 1311 is fixedly connected to the bottom end of the first connecting rod 1309. A conduit 1312 is fixedly connected to the outer surface of the air pump 1311. An air jet pipe 1313 is fixedly connected to the outer surface of the conduit 1312.

[0031] The inner surface of the heat insulation pad 3 is fixedly connected to the outer surface of the body 1. The transparent viewing window 4 is set on the outside of the infrared thermal imager 5 and the high-definition camera 6. The landing gear 9 and the fixing device 12 are symmetrically arranged on both sides of the hoisting device 10.

[0032] The hoisting device 10 includes a fixed housing 101, the top of which is fixedly connected to the lower surface of the protective housing 2. A first motor 102 is fixedly connected to the outer surface of the fixed housing 101, and a winding shaft 103 is fixedly connected to the output end of the first motor 102.

[0033] The end of the winding shaft 103 away from the first motor 102 is rotatably connected to the inside of the fixed housing 101. A steel wire rope 104 is fixedly connected to the outer surface of the winding shaft 103, and the steel wire rope 104 is arranged in the inner cavity of the fixed housing 101.

[0034] The steel wire rope 104 is fixedly connected with a hook 105 at one end away from the winding shaft 103, and the bottom of the fixed shell 101 is provided with a through hole 106, and the outer surface of the steel wire rope 104 penetrates through the through hole 106.

[0035] The inner part of the fixed seat 121 is fixedly connected to the middle of the outer surface of the cross rod 11, the first push rod 124 and the second push rod 125 are respectively arranged at the two ends of the U-shaped tube 123, and the outer surfaces of the first push rod 124 and the second push rod 125 penetrate the end parts of the U-shaped tube 123.

[0036] The supporting plate 127 is arranged below the clamping plate 126, the outer surface of the U-shaped tube 123 is fixedly connected with the connecting plate 128, the end part of the spring 129 is fixedly connected to the outer surface of the connecting plate 128, and the end part of the spring 129 away from the connecting plate 128 is fixedly connected to the outer surface of the supporting plate 127.

[0037] The bottom of the supporting frame 1301 is fixedly connected to the upper surface of the protective shell 2, the end part of the supporting plate 1302 is fixedly connected to the outer surface of the protective shell 2, the end part of the lead screw 1304 away from the second motor 1303 is rotatably connected to the upper surface of the supporting plate 1302, and the supporting frame 1301, the supporting plate 1302, the second motor 1303, the lead screw 1304 and the sliding block 1305 are symmetrically arranged at the two ends of the connecting shaft 1306.

[0038] The outer surface of the wiping pad 1307 is fixedly connected with the adhesive part 1308 at the edge, the wiping pad 1307 and the air jet pipe 1313 are arranged outside the transparent visual window 4, and the output end of the air jet pipe 1313 is aligned with the outer surface of the transparent visual window 4.

[0039] The application relates to a use method of a fire rescue unmanned plane, which comprises the following steps: hanging rescue materials by a hook 105, controlling the unmanned plane to take off, under the action of gravity, the rescue materials are hung directly below the unmanned plane by a steel wire rope 104, the first motor 102 drives the winding shaft 103 to rotate to wind the steel wire rope 104 until the rescue materials are between two clamping plates 126, the electric cylinder 122 is driven to elongate, so that the two clamping plates 126 are clamped on the two sides of the rescue materials, at this moment, the supporting plate 127 moves to the edge of the bottom of the rescue materials and supports the edge of the bottom of the rescue materials, so that the rescue materials are fixed during the flight of the unmanned plane, the unmanned plane flies to the position of the rescue materials, the electric cylinder 122 is shortened, the clamping plate 126 and the supporting plate 127 are away from the rescue materials, the first motor 102 drives the winding shaft 103 to rotate reversely to release the steel wire rope 104, so that the rescue materials are smoothly dropped to the required position, when the unmanned plane works at the fire scene, if the surface of the transparent visual window 4 is blocked by ash, the second motor 1303 is started to drive the sliding block 1305 to move downwards along the lead screw 1304, the air jet pipe 1313 and the wiping pad 1307 move downwards, the air pump 1311 is started to drive the air jet pipe 1313 to spray high-pressure airflow to the transparent visual window 4, the transparent visual window 4 is preliminarily cleaned, the wiping pad 1307 then wipes the residual ash on the surface of the transparent visual window 4, so that the field of view of the high-definition camera 6 is clear.

[0040] When in use, the heat of the fire is blocked by the heat insulation pad 3 arranged between the machine body 1 and the protective shell 2, so that the heat transferred to the machine body 1 is greatly reduced, the influence of the high temperature at the fire scene on the electronic elements in the machine body 1 is reduced, the transparent visual window 4 arranged in front of the probe of the infrared thermal imager 5 and in front of the lens of the high-definition camera 6 blocks the dust and dirt at the rescue scene from adhering to the infrared thermal imager 5 and the high-definition camera 6.

[0041] When hoisting rescue materials, the wire rope 104 is stretched out to a certain length, the baled rescue materials are hung on the hook 105, the unmanned aerial vehicle is controlled to take off, and the rescue materials are gradually hoisted under the pulling of the wire rope 104. When the rescue materials are vertically hung under the unmanned aerial vehicle under the action of gravity, the first motor 102 is started to drive the winding shaft 103 to rotate. The winding shaft 103 gradually winds the wire rope 104, so that the rescue materials move upward until the rescue materials move between the two clamping plates 126. The winding is stopped, the electric cylinder 122 is controlled to elongate, and the U-shaped tube 123, the clamping plate 126 and the supporting plate 127 are close to the rescue materials as a whole. Since the one end of the first push rod 124 on the U-shaped tube 123 is longer than the one end of the second push rod 125, the clamping plate 126 contacts the surface of the rescue materials earlier than the supporting plate 127. The electric cylinder 122 continues to elongate, the first push rod 124 is extruded by the rescue materials and moves inward along the U-shaped tube 123, the air in the U-shaped tube 123 extrudes the second push rod 125, so that the second push rod 125 extends out of the U-shaped tube 123 until the first push rod 124 moves to the limit position and cannot continue to move. At this time, the spring 129 is elongated, and the supporting plate 127 is just at the edge of the lower surface of the rescue materials, so that the supporting plates 127 of the two groups of fixing devices 12 support the two edges of the lower surface of the rescue materials, and the two clamping plates 126 clamp the two sides of the rescue materials, so that the rescue materials are stably fixed. When reaching the position of dropping the materials, the electric cylinder 122 is controlled to shorten, so that the clamping plate 126 and the supporting plate 127 move away from the rescue materials. Then the first motor 102 is controlled to drive the winding shaft 103 to rotate in the reverse direction, so that the wire rope 104 is released, and the rescue materials are slowly placed on the ground.

[0042] When the surface of the transparent visual window 4 is adhered with soot, the two groups of second motors 1303 are started to drive the lead screws 1304 to rotate, the sliding blocks 1305 move downward along the outer surfaces of the lead screws 1304, the connecting shafts 1306, the wiping pads 1307, the air pumps 1311, the pipes 1312 and the air jet pipes 1313 move downward as a whole, the air pump 1311 is started to make the air jet pipe 1313 spray high-pressure airflow. In the process of moving downward, the high-pressure airflow blows away most of the soot adhered to the surface of the transparent visual window 4, and the wiping pad 1307 subsequently wipes away the residual soot, so that the high-definition camera 6 can clearly shoot the fire scene. The wiping pad 1307 is wound and installed on the connecting shaft 1306 through the adhesive part 1308. After the use of the unmanned aerial vehicle is finished, the wiping pad 1307 is detached from the connecting shaft 1306, cleaned and then installed again, so as to be reused.

[0043] Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, if not specifically described and limited.

Claims

1. A drone for fire rescue, comprising a body (1) and a protective shell (2), characterized in that: The inner surface of the protective shell (2) is fixedly connected with a heat insulation pad (3), the outer surface of the protective shell (2) is fixedly connected with a transparent visual window (4), the inside of the machine body (1) is fixedly connected with an infrared thermal imager (5) and a high-definition camera (6), the outer surface of the protective shell (2) is fixedly connected with a robot arm (7) and a cleaning device (13), the end of the robot arm (7) is provided with a propeller (8), the edge side of the lower surface of the protective shell (2) is fixedly connected with a landing gear (9), the lower surface of the protective shell (2) is fixedly connected with a hoisting device (10), the outer surface of the landing gear (9) is fixedly connected with a crossbar (11), the outer surface of the crossbar (11) is fixedly connected with a fixing device (12), the fixing device (12) comprises a fixing seat (121), the inside of the fixing seat (121) is fixedly connected with an electric cylinder (122), the output end of the electric cylinder (122) is fixedly connected with a U-shaped pipe (123), the inner surface of the U-shaped pipe (123) is slidably connected with a first push rod (124) and a second push rod (125), the end of the first push rod (124) is fixedly connected with a clamping plate (126), the end of the second push rod (125) is fixedly connected with a supporting plate (127), the outer surface of the U-shaped pipe (123) is sleeved with a spring (129), the cleaning device (13) comprises a supporting frame (1301) and a supporting plate (1302), the upper surface of the supporting frame (1301) is fixedly connected with a second motor (1303), the output end of the second motor (1303) is fixedly connected with a lead screw (1304), the outer surface of the lead screw (1304) is threadedly connected with a sliding block (1305), the outer surface of the sliding block (1305) is fixedly connected with a connecting shaft (1306), the outer surface of the connecting shaft (1306) is provided with a wiping pad (1307), the outer surface of the connecting shaft (1306) is fixedly connected with a first connecting rod (1309) and a second connecting rod (1310), the bottom end of the first connecting rod (1309) is fixedly connected with an air pump (1311), the outer surface of the air pump (1311) is fixedly connected with a conduit (1312), the outer surface of the conduit (1312) is fixedly connected with a gas jet pipe (1313).

2. The unmanned aerial vehicle for fire rescue according to claim 1, characterized in that: The inner surface of the heat insulation pad (3) is fixedly connected to the outer surface of the machine body (1), the transparent visual window (4) is arranged outside the infrared thermal imager (5) and the high-definition camera (6), and the landing gear (9) and the fixing device (12) are symmetrically arranged on both sides of the hoisting device (10).

3. The unmanned aerial vehicle for fire rescue according to claim 1, characterized in that: The hoisting device (10) comprises a fixed shell (101), the top of the fixed shell (101) is fixedly connected to the lower surface of the protective shell (2), and the outer surface of the fixed shell (101) is fixedly connected with a first motor (102).

4. The unmanned aerial vehicle for fire rescue according to claim 3, characterized in that: The winding shaft (103) is rotatably connected to the inside of the fixed shell (101) away from one end of the first motor (102), and the outer surface of the winding shaft (103) is fixedly connected with a steel wire rope (104), and the steel wire rope (104) is arranged in the inner cavity of the fixed shell (101).

5. The unmanned aerial vehicle for fire rescue according to claim 4, characterized in that: The steel wire rope (104) is fixedly connected with a hook (105) away from one end of the winding shaft (103), and the bottom of the fixed shell (101) is provided with a through hole (106), and the outer surface of the steel wire rope (104) penetrates the through hole (106).

6. The unmanned aerial vehicle for fire rescue according to claim 1, characterized in that: The inside of the fixed seat (121) is fixedly connected to the middle of the outer surface of the cross bar (11), the first push rod (124) and the second push rod (125) are arranged at both ends of the U-shaped tube (123) respectively, and the outer surfaces of the first push rod (124) and the second push rod (125) penetrate the end portions of the U-shaped tube (123).

7. The unmanned aerial vehicle for fire rescue according to claim 1, characterized in that: The supporting plate (127) is arranged below the clamping plate (126), the outer surface of the U-shaped tube (123) is fixedly connected with a connecting plate (128), the end portion of the spring (129) is fixedly connected to the outer surface of the connecting plate (128), and the end portion of the spring (129) away from the connecting plate (128) is fixedly connected to the outer surface of the supporting plate (127).

8. The unmanned aerial vehicle for fire rescue according to claim 1, characterized in that: The bottom of the support frame (1301) is fixedly connected to the upper surface of the protective shell (2), the end portion of the support plate (1302) is fixedly connected to the outer surface of the protective shell (2), one end of the lead screw (1304) away from the second motor (1303) is rotatably connected to the upper surface of the support plate (1302), and the support frame (1301), the support plate (1302), the second motor (1303), the lead screw (1304) and the sliding block (1305) are symmetrically arranged at both ends of the connecting shaft (1306).

9. The unmanned aerial vehicle for fire rescue according to claim 1, characterized in that: The outer surface of the wiping pad (1307) is fixedly connected with a sticking part (1308) at the edge, the wiping pad (1307) and the air jet pipe (1313) are arranged outside the transparent visual window (4), and the output end of the air jet pipe (1313) is aligned with the outer surface of the transparent visual window (4).

10. A method of using the unmanned aerial vehicle for firefighting and rescue according to any one of claims 1 to 9, characterized in that, The method comprises the following steps: The method comprises the following steps: The rescue material is hung by the hook (105), the unmanned aerial vehicle is controlled to take off, the rescue material is hung directly below the unmanned aerial vehicle under the action of gravity, the first motor (102) drives the winding shaft (103) to rotate to wind the steel wire rope (104), until the rescue material is between the two clamping plates (126), the electric cylinder (122) is driven to elongate, so that the two clamping plates (126) are clamped on the two sides of the rescue material, at this time, the supporting plate (127) moves to the edge of the bottom of the rescue material and supports the edge of the bottom of the rescue material, so that the rescue material is fixed during the flight of the unmanned aerial vehicle, the unmanned aerial vehicle flies to the position of the rescue material, the electric cylinder (122) is retracted, the clamping plate (126) and the supporting plate (127) are away from the rescue material, the first motor (102) drives the winding shaft (103) to rotate in the opposite direction to release the steel wire rope (104), so that the rescue material is smoothly delivered to the required position, when the unmanned aerial vehicle works in the fire scene, if it is found that the surface of the transparent view window (4) is blocked by ash, the second motor (1303) is started to make the sliding block (1305) move downward along the lead screw (1304), the jet pipe (1313) and the wiping pad (1307) move downward, the air pump (1311) is started to make the jet pipe (1313) spray high-pressure airflow to the transparent view window (4), the transparent view window (4) is preliminarily cleaned, the wiping pad (1307) then wipes the residual ash on the surface of the transparent view window (4) clean, so that the field of view of the high-definition camera (6) is clear.

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