CN112278277B

CN112278277B - Unmanned aerial vehicle for high-rise rescue and using method thereof

Info

Publication number: CN112278277B
Application number: CN202011263305.3A
Authority: CN
Inventors: 李文美
Original assignee: Hangzhou Wansheng Huajiang Technology Co ltd
Current assignee: Hangzhou Wansheng Huajiang Technology Co.,Ltd.
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-06-11
Anticipated expiration: 2040-11-12
Also published as: CN112278277A

Abstract

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle for high-rise rescue, which comprises two aircrafts, a rescue net, a connecting device and two net spraying devices, wherein the two aircrafts are connected through the connecting device; the unmanned aerial vehicle can be attached to the outer wall of a high building to unfold the rescue net, and the application range is wide. The invention also provides a using method of the unmanned aerial vehicle, which comprises the steps of filling a rescue net, flight control, spraying the rescue net, rescue and protection and the like; the method is convenient to operate, simple and understandable, and operators can be skillfully mastered through simple training; meanwhile, the method fully considers the mechanics and aerodynamic principles, and is simple to operate, stable and reliable.

Description

Unmanned aerial vehicle for high-rise rescue and using method thereof

Technical Field

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle for high-rise rescue and a using method thereof.

Background

Unmanned aerial vehicles have matured from a technical point of view after decades of development processes. The system has the advantages of low cost and high flexibility, and can carry some important equipment to complete special tasks such as aerial detection, aerial monitoring, aerial communication, aerial propaganda, emergency rescue and the like; when a special task is executed, casualties are generally not caused, the survival capability is strong, the maneuverability is good, the practicability and the convenience are realized, and the important function can be played in the aspects of processing natural disasters, accident disasters, social security events and the like.

However, in order to make the unmanned aerial vehicle more intelligent, reduce its use degree of difficulty, improve its work efficiency, more and more sensor and processing chip are carried on unmanned aerial vehicle to make its function more perfect, accomplish special task more intelligently. The unmanned aerial vehicle carries the camera sensor, and the development in the aspects of computer vision theory and engineering application provides high-altitude rescue for the intellectualization of the unmanned aerial vehicle, so that the high-altitude rescue work is always a social problem puzzling countries in the world.

For example, when an aerial dangerous accident such as a floor explosion or a fire occurs, the accident is often sudden and the risk continues to increase, and therefore, people on the fire floor or the floor above the fire floor are often trapped in the floor and cannot be transferred to the safe floor below. In this situation, in the prior art, the trapped people usually can only hide in a relatively closed space to be away from the fire, or escape to the balcony to wait for rescue, however, when the stairs cannot pass through or the balcony floors cannot pass through, the trapped people can only be trapped in place, and cannot save themselves through other channels, thereby gaining time for waiting for rescue and safe escape.

For example, when a person jumps from a building or falls from a high place, the ground conditions are mostly unable to place the buffer air cushion, or even if the buffer air cushion is placed, the person falls from the high place and still has great life risk.

The patent with publication number CN110901918A discloses a high-altitude rescue device of a large-load unmanned aerial vehicle, which comprises a supporting plate, an air cushion bed, a supporting rod, a lifesaving net and an electric push rod, wherein the supporting plate is fixedly connected with the body of the unmanned aerial vehicle through a screw rod and is positioned above the unmanned aerial vehicle; the air cushion bed is positioned above the supporting plate and used for bearing rescued people; electric putter, one end is connected on the unmanned aerial vehicle horn, and one end is connected on the bracing piece in addition for the motion of control bracing piece, thereby reach the effect of opening, closed lifesaving net, like this, close under the condition of not using, whole area is littleer, convenient transportation utilizes this high altitude rescue device and big load unmanned aerial vehicle to cooperate, can break through the restriction of special place and complex environment, quick response high altitude rescue demand will be transported to ground by the person of saving one by one, has improved the efficiency of rescue work widely. However, the following problems still exist:

1. the rescue unmanned aerial vehicle in the prior art cannot be attached to the outer wall of a high building to unfold the rescue net, and people to be rescued easily fall from a gap between the unmanned aerial vehicle and the outer wall of the high building;

2. the prior art has complex structure, low safety and reliability and limited service life;

3. when falling into the lifesaving net by the rescue personnel, the rescue personnel directly contact with the unmanned aerial vehicle, so that the personnel are easy to be injured, and meanwhile, the unmanned aerial vehicle is easy to damage, and the crash is caused.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a combined rescue unmanned aerial vehicle, which is used for solving the problems that the rescue unmanned aerial vehicle in the prior art cannot be attached to the outer wall of a high building to unfold a rescue net, and people to be rescued easily fall from the gap between the unmanned aerial vehicle and the outer wall of the high building; the prior art has complex structure, low safety and reliability and limited service life; the invention also provides a using method of the unmanned aerial vehicle, and solves the problems that in the prior art, when rescued people fall into a lifesaving net, the rescued people directly contact with the unmanned aerial vehicle, the people are easy to be injured, and meanwhile, the unmanned aerial vehicle is easy to be damaged, and the unmanned aerial vehicle falls down.

In order to solve the technical problems, the invention adopts the following technical scheme:

the unmanned aerial vehicle for high-rise rescue comprises two aircrafts, a rescue net, a connecting device and two net spraying devices, wherein the two aircrafts are connected through the connecting device, the two net spraying devices are respectively installed below the two aircrafts, the rescue net is a rectangular net, two end points at the front end of the rescue net are respectively provided with a fixing device, the two fixing devices are respectively arranged in the two net spraying devices, two end points at the rear end of the rescue net are respectively fixed at the lower ends of the two aircrafts, when rescue works, the two fixing devices are simultaneously sprayed out of the two net spraying devices, and the two fixing devices are fixed on the surface of an outer wall of a high-rise;

spout the net device and include shell, control panel, spray splint, fixing device slide, nozzle fixing base and pneumatic means, control panel installs the shell is outside, spray splint install in the shell front end, just spray splint middle part and seted up a rescue net slide, the fixing device slide with pneumatic means all arranges in inside the shell, the fixing device slide is tubular slide and has seted up an axial opening, and fixing device arranges in the fixing device slide, rescue net slide and axial opening are successively passed to rescue net one end with fixing device connects.

Before taking off and rescuing, two end points at the front end of the rescuing net are respectively connected with a fixing device, the two fixing devices are respectively placed into the two spraying net devices from a nozzle, the two end points at the rear end of the rescuing net are respectively fixed at the lower ends of the two aircrafts, at the moment, the two aircrafts are in a separated state, part of the rescuing net is placed at a rescuing net slideway and an axial opening, and part of the rescuing net is suspended between the two aircrafts;

during rescue, the nozzle is aligned to the outer wall of the high building, the fixing device is struck by the pneumatic device and carries the rescue net to be sprayed out of the nozzle, and two front end points of the rescue net are fixed on the surface of the outer wall of the high building;

the air inlet pressure of the air pump and the impact speed of the firing structure and other parameters can be set through the control panel, and the spraying clamping plate plays a role in guiding and preventing the rescue net from winding when spraying the rescue net. The unmanned aerial vehicle can be attached to the outer wall of a high building to unfold the rescue net, and the application range is wide; the net spraying device is simple in structure, safe, reliable and long in service life, and can provide a larger initial speed for the fixing device to be fixed on the outer wall of the high-rise building; simultaneously by the rescue personnel can not with aircraft direct contact, personnel can not be injured, also can not cause destruction to unmanned aerial vehicle, security and practicality are high.

Further, pneumatic means includes air hammer, telescopic link, percussion structure, air pump connecting pipe and air pump, telescopic link one end is in inside and rather than swing joint of percussion structure, the telescopic link other end with air hammer fixed connection, the last pneumatic structure gas vent that is equipped with of percussion structure, the air pump pass through the air pump connecting pipe with percussion structure connects, be equipped with the air pump air inlet on the air pump.

The air pump compresses air into the firing structure through the air pump connecting pipe, when the air pressure in the firing structure reaches a critical value, the air pump stops working, the firing structure releases the air pressure, the telescopic rod is driven to extend out rapidly, and the air hammer blows the fixing device. The pneumatic device adopts high-pressure gas as jet power, and is safe, reliable, simple in structure and long in service life.

Further, the aircraft includes flight system, control governing system, frame and video acquisition system, flight system install in frame upper portion, control governing system and video acquisition system all install in the frame, just flight system, frame and video acquisition system respectively with control governing system connection of electric lines.

The aerial position and the video information of the aircraft are acquired through a video acquisition system, the direction and the height of the aircraft are adjusted by the flight system, so that the aircraft flies to the lower part of a person to be rescued, and the control and adjustment system receives and sends a control signal of an operator to control the flight system and the video acquisition system.

Further, the frame includes backup pad, bottom suspension fagging, pillar and tie-beam, go up the backup pad with the bottom suspension fagging is parallel and through several the pillar is connected, the tie-beam install in go up between backup pad and the bottom suspension fagging, just the tie-beam upper end through last fixing base with go up backup pad fixed connection, the tie-beam upper end through the bottom suspension fixing base with bottom suspension fagging fixed connection.

The rescue net and the net spraying device are installed below the rack, the weight of a rescued person needs to be borne during rescue, the upper supporting plate and the lower supporting plate are arranged up and down, the structural strength of the rack can be improved, and the safety is improved.

Furthermore, the net spraying device further comprises a lever device, the lever device is installed inside the shell, and the lever device is arranged between the pneumatic device and the fixing device slide way.

The lever device is added, so that the speed of the percussion structure impacting the fixing device can be increased, the initial kinetic energy of the fixing device is increased, and the fixing device is given a higher speed, so that the fixing device can be more reliably fixed on the outer wall of a high building.

Furthermore, the lever device comprises a lever, a hammer and a rotating seat, wherein a rotating hole is formed in the middle of the lever, the rotating seat is rotatably connected with the lever through the rotating hole, and the hammer is arranged at one end, close to the slide way of the fixing device, of the lever;

the distance from the rotating hole to one end, close to the fixing device slide way, of the lever is larger than the distance from the rotating hole to one end, close to the pneumatic device, of the lever.

The lever is close to fixing device slide one end and is the initiative end, arrives the lever is close to pneumatic means one end and is the driven end, and when the distance of rotatory hole to the initiative end was greater than the distance of rotatory hole to the driven end, the power that the driven end received was greater than the power that the initiative end received to the realization improves fixing device's initial kinetic energy, gives fixing device bigger speed, makes its effect of fixing at the high building outer wall more reliably.

Further, the lever apparatus further includes a hammer cushion pad and an air hammer cushion pad, the hammer cushion pad is installed on the hammer, and the air hammer cushion pad is installed on the air hammer.

The fixing device can be protected by adding the hammer cushion pad, the fixing device can be prevented from being damaged by the hammer, the lever can be prevented from being damaged by the air hammer by adding the air hammer cushion pad, and the service life and the working stability and safety of the net spraying device are improved.

Furthermore, a first air inlet channel, a second air inlet channel and an exhaust channel are arranged on the shell, the first air inlet is communicated with the first air inlet channel, the first air inlet channel is positioned behind the hammer, the second air inlet channel is positioned at the rear end of the hammer, and the exhaust channel is connected with an exhaust port of the pneumatic structure through an exhaust connecting pipe;

the spraying clamping plate is provided with a clamping plate air hole and a protection plate, and the protection plate is an arc-shaped plate.

The air enters the shell through the first air inlet channel and the second air inlet channel, enters the air pump from the air pump air inlet, is compressed and does work, and is exhausted to the outside of the shell from the air exhaust channel through the pneumatic structure air outlet;

the air current that rescue net produced when spraying splint last quick motion flows from splint wind hole sprays the splint outside, increases simultaneously the guard plate can prevent rescue net and the winding of spouting net device, has further improved practicality and reliability.

Further, connecting device includes sub-seat, female seat and support, sub-seat installs in the tie-beam side end of an aircraft, female seat passes through the support mounting is in the tie-beam side end of another aircraft, just sub-seat with female seat can dismantle the connection.

Through the sub-seat with the detachable connection of female seat, realize the combination and the separation of two aircraft, when waiting that the rescue personnel falls into in the rescue net, two the aircraft is close to each other, the sub-seat with female seat is connected, makes rescue net rear end shrink, rescue net top is dwindled, prevents to wait that the rescue personnel follow the online secondary of rescue drops, has increased security and reliability.

The use method for the high-rise rescue unmanned aerial vehicle comprises the following steps:

s1, filling a rescue net, connecting two end points at the front end of the rescue net with a fixing device respectively, placing the two fixing devices into the two spraying net devices from nozzles respectively, fixing two end points at the rear end of the rescue net at the lower ends of the two aircrafts respectively, wherein at the moment, the two aircrafts are in a separated state, part of the rescue net is placed at a slide way and an axial opening of the rescue net, and part of the rescue net is suspended between the two aircrafts;

s2, controlling flying, wherein the two aircrafts take off from the ground simultaneously with the rescue net, the aerial position and the video information of the aircrafts are obtained through a video acquisition system, and the flying system realizes the direction and height adjustment of the aircrafts so that the aircrafts fly below the personnel to be rescued;

s3, spraying a rescue net, aligning the nozzle with the outer wall of a high building, compressing air into the trigger structure through the air pump connecting pipe by the air pump, stopping the air pump after the air pressure in the trigger structure reaches a critical value, releasing the air pressure by the trigger structure, driving the telescopic rod to rapidly extend out, enabling the air hammer to strike the air hammer buffer pad, driving the lever to rotate around the rotating seat, enabling the hammer to strike the fixing device, carrying the rescue net by the fixing device to be sprayed out of the nozzle, and fixing two front end points of the rescue net on the surface of the outer wall of the high building;

and S4, rescuing and protecting, wherein the rescuing net is unfolded below the person to be rescued, when the person to be rescued falls into the rescuing net, the two aircrafts approach to each other, the sub-seat is connected with the female seat to enable the rear end of the rescuing net to be contracted, the upper part of the rescuing net is contracted, and the person to be rescued is prevented from falling off the rescuing net for the second time.

The method is convenient to operate, simple and understandable, and operators can be skillfully mastered through simple training; meanwhile, the method fully considers the mechanics and aerodynamic principles, is simple to operate, is stable and reliable, and can improve the operability of the invention because the two aircrafts can also independently work.

Compared with the prior art, the invention has the following beneficial effects:

the unmanned aerial vehicle can be attached to the outer wall of a high building to unfold the rescue net, and the application range is wide; the net spraying device is simple in structure, safe, reliable and long in service life, and can provide a larger initial speed for the fixing device to be fixed on the outer wall of the high-rise building; simultaneously by the rescue personnel can not with aircraft direct contact, personnel can not be injured, also can not cause destruction to unmanned aerial vehicle, security and practicality are high.

Drawings

Fig. 1 is a schematic perspective view of a net spraying device used in an embodiment of a high-rise rescue unmanned aerial vehicle;

FIG. 2 is a schematic side view of a net spraying device used in an embodiment of a high-rise rescue unmanned aerial vehicle;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic perspective view (with the rescue net removed) of an embodiment of a high-rise rescue unmanned aerial vehicle according to the invention;

fig. 5 is a schematic front view of a high-rise rescue unmanned aerial vehicle according to an embodiment of the invention;

fig. 6 is a schematic top view of an embodiment of the high-rise rescue unmanned aerial vehicle (in a rescue state) according to the invention;

fig. 7 is a schematic perspective view (in rescue state) of an embodiment of a high-rise rescue unmanned aerial vehicle according to the invention;

fig. 8 is a schematic side view of an aircraft used in an embodiment of a high-rise rescue unmanned aerial vehicle according to the invention.

Reference numerals in the drawings of the specification include:

the flying system 1, the control and regulation system 2, the frame 3, the upper support plate 31, the lower support plate 32, the strut 33, the upper fixed seat 341, the lower fixed seat 342, the connecting beam 343, the video acquisition system 4, the rescue net 5, the fixing device 6, the connecting device 7, the sub-seat 71, the main seat 72, the bracket 73, the net spraying device 8, the shell 81, the first air inlet 811, the first air inlet 812, the second air inlet 813, the air outlet 814 and the control panel 82, the jet splint 83, the splint wind hole 831, the rescue net slideway 832, the protection plate 833, the fixing device slideway 841, the nozzle 842, the nozzle fixing seat 843, the pneumatic device 85, the air hammer 851, the telescopic rod 852, the firing structure 853, the pneumatic structure air outlet 854, the air outlet connecting pipe 855, the air pump connecting pipe 856, the air pump 857, the air pump air inlet 858, the lever device 86, the lever 861, the hammer 862, the hammer cushion 863, the air hammer cushion 864 and the rotary seat 865.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described in conjunction with the accompanying drawings and examples:

example one

As shown in fig. 1-8, an unmanned aerial vehicle for high-rise rescue comprises two aircrafts, a rescue net 5, a connecting device 7 and two net spraying devices 8, wherein the two aircrafts are connected through the connecting device 7, the two net spraying devices 8 are respectively installed below the two aircrafts, the rescue net 5 is a rectangular net, two fixing devices 6 are respectively arranged at two end points at the front end of the rescue net 5, the two fixing devices 6 are respectively arranged inside the two net spraying devices 8, two end points at the rear end of the rescue net 5 are respectively fixed at the lower ends of the two aircrafts, when rescue works, the two fixing devices 6 are simultaneously sprayed out of the two net spraying devices 8, and the two fixing devices 6 are fixed on the surface of an outer wall 9 of a high building;

the net spraying device 8 comprises a shell 81, a control panel 82, a spraying clamping plate 83, a fixing device slide channel 841, a nozzle 842, a nozzle fixing seat 843 and a pneumatic device 85, wherein the control panel 82 is installed outside the shell 81, the spraying clamping plate 83 is installed at the front end of the shell 81, a rescue net slide channel 832 is formed in the middle of the spraying clamping plate 83, the fixing device slide channel 841 and the pneumatic device 85 are both arranged inside the shell 81, the fixing device slide channel 841 is a tubular slide channel and is provided with an axial opening, the fixing device 6 is arranged in the fixing device slide channel 841, and one end of the rescue net 5 successively penetrates through the rescue net slide channel 832 and the axial opening to be connected with the fixing.

Before taking off for rescue, the two aircrafts connect two end points at the front end of the rescue net 5 with one fixing device 6 respectively, the two fixing devices 6 are placed into the two net spraying devices 8 from the nozzles 842 respectively, the two end points at the rear end of the rescue net 5 are fixed at the lower ends of the two aircrafts respectively, at the moment, the two aircrafts are in a separated state, part of the rescue net 5 is placed at a slide 832 and an axial opening of the rescue net, and part of the rescue net 5 is suspended between the two aircrafts;

during rescue, the nozzle 842 is aligned to the outer wall 9 of the high building, the fixing device 6 is hit by the pneumatic device 85, the fixing device 6 carries the rescue net 5 to be sprayed out from the nozzle 842, and two front end points of the rescue net 5 are fixed on the surface of the outer wall 9 of the high building;

parameters such as the air inlet pressure of the air pump 857 and the impact speed of the trigger structure 853 can be set through the control panel 82, and the jet clamp plate 83 plays a role in guiding and preventing the rescue net 5 from being wound on the jet rescue net 5. The unmanned aerial vehicle can be attached to the outer wall 9 of a high building to expand the rescue net 5, and the application range is wide; the net spraying device 8 is simple in structure, safe, reliable and long in service life, and can provide a larger initial speed for the fixing device 6 to be fixed on the outer wall 9 of the high-rise building; simultaneously by the rescue personnel can not with aircraft direct contact, personnel can not be injured, also can not cause destruction to unmanned aerial vehicle, security and practicality are high.

As the preferred scheme, pneumatic means 85 includes pneumatic hammer 851, telescopic link 852, percussion structure 853, air pump connecting pipe 856 and air pump 857, telescopic link 852 one end inside percussion structure 853 and rather than swing joint, telescopic link 852 other end and pneumatic hammer 851 fixed connection, are equipped with pneumatic structure gas vent 854 on percussion structure 853, and air pump 857 is connected with percussion structure 853 through air pump connecting pipe 856, is equipped with air pump air inlet 858 on the air pump 857.

Air pump 857 passes through air pump connecting pipe 856 and compresses the air to in the percussion structure 853, and after the gas pressure in percussion structure 853 reached the critical value, air pump 857 stop work, percussion structure 853 release gas pressure drives telescopic link 852 to stretch out fast, makes pneumatic hammer 851 hit and hits fixing device 6. The pneumatic device 85 adopts high-pressure gas as jet power, and is safe, reliable, simple in structure and long in service life.

As a preferred scheme, the aircraft comprises a flight system 1, a control and regulation system 2, a rack 3 and a video acquisition system 4, wherein the flight system 1 is installed on the upper portion of the rack 3, the control and regulation system 2 and the video acquisition system 4 are both installed on the rack 3, and the flight system 1, the rack 3 and the video acquisition system 4 are respectively connected with the control and regulation system 2 through wires.

The aerial position and the video information of the aircraft are acquired through the video acquisition system 4, the direction and the height of the aircraft are adjusted by the flight system 1, the aircraft flies below the personnel to be rescued, the control and adjustment system 2 receives and sends out control signals of operators, and the flight system 1 and the video acquisition system 4 are controlled.

Preferably, the frame 3 includes an upper support plate 31, a lower support plate 32, pillars 33 and a connection beam 343, the upper support plate 31 is parallel to the lower support plate 32 and is connected through a plurality of pillars 33, the connection beam 343 is installed between the upper support plate 31 and the lower support plate 32, an upper end of the connection beam 343 is fixedly connected to the upper support plate 31 through an upper fixing seat 341, and an upper end of the connection beam 343 is fixedly connected to the lower support plate 32 through a lower fixing seat 342.

The rescue net 5 and the net device 8 that spouts are installed to frame 3 below, still need bear the weight of the person of being rescued during the rescue, adopt upper supporting plate 31 and bottom suspension fagging 32 to place from top to bottom, can improve the structural strength of frame 3, improve the security.

Preferably, the net-spraying device 8 further comprises a lever device 86, the lever device 86 is installed inside the housing 81, and the lever device 86 is disposed between the pneumatic device 85 and the fixing device slideway 841.

The addition of the lever device 86 can increase the speed of the striking structure 853 striking the fixing device 6, increase the initial kinetic energy of the fixing device 6, and provide the fixing device 6 with a higher speed, so that the fixing device can be more reliably fixed on the outer wall 9 of the high-rise building.

Example two

As a further improvement of the previous embodiment, as shown in fig. 1 to 8, the present embodiment is an unmanned aerial vehicle for high-rise rescue, which includes two aircrafts, a rescue net 5, a connecting device 7 and two net spraying devices 8, the two aircrafts are connected by the connecting device 7, the two net spraying devices 8 are respectively installed below the two aircrafts, the rescue net 5 is a rectangular net, two fixing devices 6 are respectively arranged at two end points at the front end of the rescue net 5, the two fixing devices 6 are respectively arranged inside the two net spraying devices 8, two end points at the rear end of the rescue net 5 are respectively fixed at the lower ends of the two aircrafts, when rescue is in operation, the two fixing devices 6 are simultaneously sprayed out of the two net spraying devices 8, and the two fixing devices 6 are fixed on the surface of an outer wall 9 of a high;

Preferably, the lever device 86 includes a lever 861, a hammer 862 and a rotating base 865, a rotating hole is formed in the middle of the lever 861, the rotating base 865 is rotatably connected with the lever 861 through the rotating hole, and the hammer 862 is mounted at one end of the lever 861 close to the fixing device slide 841;

the distance from the rotation aperture to the end of the lever 861 adjacent to the fixture slide 841 is greater than the distance from the rotation aperture to the end of the lever 861 adjacent to the pneumatic device 85.

One end of the lever 861 close to the fixing device slide 841 is a driving end, one end of the lever 861 close to the pneumatic device 85 is a driven end, and when the distance from the rotating hole to the driving end is greater than the distance from the rotating hole to the driven end, the force borne by the driven end is greater than that borne by the driving end, so that the initial kinetic energy of the fixing device 6 is improved, the fixing device 6 is given a higher speed, and the lever is more reliably fixed on the high-rise outer wall 9.

Preferably, the lever device 86 further includes a hammer cushion 863 and an air hammer cushion 864, the hammer cushion 863 being mounted on the hammer 862 and the air hammer cushion 864 being mounted on the air hammer 851.

The fixing device 6 can be protected by adding the hammer cushion 863, the fixing device 6 is prevented from being damaged by the hammer 862, the lever 861 is prevented from being damaged by the air hammer 851 by adding the air hammer cushion 864, and the service life and the working stability and safety of the net spraying device 8 are improved.

Preferably, the housing 81 is provided with a first air inlet 811, a first air inlet 812, a second air inlet 813 and an air outlet 814, the first air inlet 811 is connected with the first air inlet 812 in a penetrating manner, the first air inlet 812 is located behind the hammer 862, the second air inlet 813 is located at the rear end of the hammer 851, and the air outlet 814 is connected with the aerodynamic structure air outlet 854 through an exhaust connecting pipe 855;

the spraying splint 83 is provided with a splint air hole 831 and a protection plate 833, and the protection plate 833 is a circular arc-shaped plate.

The external air enters the inside of the shell 81 through the first air inlet channel 812 and the second air inlet channel 813, enters the air pump 857 from the air pump air inlet 858, and is discharged to the outside of the shell 81 from the air outlet channel 814 through the pneumatic structure air outlet 854 after compressing and doing work;

the air current that rescue net 5 produced when spraying splint 83 on the fast motion flows to spraying splint 83 outside from splint wind hole 831, increases simultaneously that guard plate 833 can prevent that rescue net 5 from twining with spouting net device 8, has further improved practicality and reliability.

Preferably, the connecting device 7 comprises a sub-seat 71, a female seat 72 and a bracket 73, the sub-seat 71 is mounted at the side end of the connecting beam 343 of one aircraft, the female seat 72 is mounted at the side end of the connecting beam 343 of the other aircraft through the bracket 73, and the sub-seat 71 is detachably connected with the female seat 72.

Through the detachable connection of the sub-seat 71 and the female seat 72, the combination and the separation of the two aircrafts are realized, when a person to be rescued falls into the rescue net 5, the two aircrafts are close to each other, the sub-seat 71 is connected with the female seat 72, the rear end of the rescue net 5 is contracted, the upper part of the rescue net 5 is reduced, the person to be rescued is prevented from falling off from the rescue net 5 for the second time, and the safety and the reliability are improved.

The advantages of the second embodiment over the first embodiment are:

the invention in the second embodiment improves the initial kinetic energy of the fixing device 6, and gives the fixing device 6 a higher speed, so that the fixing device can be more reliably fixed on the outer wall 9 of the high-rise building; the service life and the working stability and safety of the net spraying device 8 are improved; the rescue net 5 and the net spraying device 8 are prevented from being wound, and the practicability and the reliability are further improved; the upper part of the rescue net 5 is reduced, so that the personnel to be rescued are prevented from falling off from the rescue net 5 for the second time, and the safety and the reliability are improved.

s1, filling the rescue net 5, connecting two end points at the front end of the rescue net 5 with a fixing device 6 respectively, placing the two fixing devices 6 into two net spraying devices 8 from a nozzle 842 respectively, fixing two end points at the rear end of the rescue net 5 at the lower ends of two aircrafts respectively, wherein the two aircrafts are in a separated state, part of the rescue net 5 is placed at a rescue net slideway 832 and an axial opening, and part of the rescue net 5 is suspended between the two aircrafts;

s2, controlling flying, wherein the two aircrafts take off from the ground simultaneously with the rescue net 5, the aerial position and the video information of the aircrafts are obtained through the video acquisition system 4, and the flying system 1 realizes the direction and height adjustment of the aircrafts so that the aircrafts fly to the lower part of the personnel to be rescued;

s3, spraying the rescue net 5, aligning the nozzle 842 with the outer wall 9 of the high building, compressing air into the triggering structure 853 by the air pump 857 through the air pump connecting pipe 856, when the air pressure in the triggering structure 853 reaches a critical value, stopping the air pump 857, releasing the air pressure by the triggering structure 853, driving the telescopic rod 852 to extend rapidly, making the air hammer 851 hit the air hammer cushion 864, driving the lever 861 to rotate around the rotary base 865, making the hammer 862 hit the fixing device 6, the fixing device 6 carrying the rescue net 5 to be sprayed out from the nozzle 842, and fixing two front end points of the rescue net 5 on the surface of the outer wall 9 of the high building;

s4, rescue and protection, wherein the rescue net 5 is unfolded below the person to be rescued, when the person to be rescued falls into the rescue net 5, the two aircrafts approach each other, the sub-base 71 is connected with the female base 72, the rear end of the rescue net 5 is contracted, the upper part of the rescue net 5 is contracted, and the person to be rescued is prevented from falling off the rescue net 5 for the second time.

The method is convenient to operate, simple and understandable, and operators can be skillfully mastered through simple training; meanwhile, the method fully considers the mechanics and aerodynamic principles, is simple to operate, is stable and reliable, and can improve the operability of the invention, and the two aircrafts can also independently work.

The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a be used for high-rise rescue unmanned aerial vehicle which characterized in that: the aircraft is characterized by comprising two aircrafts, a rescue net (5), a connecting device (7) and two net spraying devices (8), wherein the two aircrafts are connected through the connecting device (7), the two net spraying devices (8) are respectively arranged below the two aircrafts, the rescue net (5) is a rectangular net, two end points of the front end of the rescue net (5) are respectively provided with a fixing device (6), the two fixing devices (6) are respectively arranged inside the two net spraying devices (8), two end points of the rear end of the rescue net (5) are respectively fixed at the lower ends of the two aircrafts, when in rescue work, the two fixing devices (6) are simultaneously sprayed out of the two net spraying devices (8), and the two fixing devices (6) are fixed on the surface of an outer wall (9) of a high building;

the net spraying device (8) comprises a shell (81), a control panel (82), a spraying clamping plate (83), a fixing device slideway (841), a nozzle (842), a nozzle fixing seat (843) and a pneumatic device (85), the control panel (82) is arranged outside the shell (81), the injection splint (83) is arranged at the front end of the shell (81), and the middle part of the spraying splint (83) is provided with a rescue net slideway (832), the fixing device slideway (841) and the pneumatic device (85) are both arranged inside the shell (81), the fixing device slideway (841) is a tubular slideway and is provided with an axial opening, the fixing device (6) is arranged in the fixing device slideway (841), and one end of the rescue net (5) successively passes through the rescue net slideway (832) and the axial opening to be connected with the fixing device (6);

pneumatic device (85) include air hammer (851), telescopic link (852), percussion structure (853), air pump connecting pipe (856) and air pump (857), telescopic link (852) one end is in percussion structure (853) inside and rather than swing joint, telescopic link (852) the other end with air hammer (851) fixed connection, be equipped with pneumatic structure gas vent (854) on percussion structure (853), air pump (857) through air pump connecting pipe (856) with percussion structure (853) are connected, be equipped with air pump air inlet (858) on air pump (857).

2. The high-rise rescue unmanned aerial vehicle as claimed in claim 1, wherein: the aircraft comprises a flight system (1), a control and regulation system (2), a rack (3) and a video acquisition system (4), wherein the flight system (1) is installed on the upper portion of the rack (3), the control and regulation system (2) and the video acquisition system (4) are installed on the rack (3), and the flight system (1), the rack (3) and the video acquisition system (4) are respectively connected with the control and regulation system (2) through wires.

3. The high-rise rescue unmanned aerial vehicle as claimed in claim 2, wherein: frame (3) are including last backup pad (31), bottom suspension fagging (32), pillar (33) and tie-beam (343), go up backup pad (31) with bottom suspension fagging (32) are parallel and through several pillar (33) are connected, tie-beam (343) install in go up between backup pad (31) and bottom suspension fagging (32), just tie-beam (343) upper end through last fixing base (341) with go up backup pad (31) fixed connection, tie-beam (343) upper end through lower fixing base (342) with bottom suspension fagging (32) fixed connection.

4. The high-rise rescue unmanned aerial vehicle as claimed in claim 3, wherein: the net spraying device (8) further comprises a lever device (86), the lever device (86) is installed inside the shell (81), and the lever device (86) is arranged between the pneumatic device (85) and the fixing device slideway (841).

5. The high-rise rescue unmanned aerial vehicle as claimed in claim 4, wherein: the lever device (86) comprises a lever (861), a hammer (862) and a rotating seat (865), wherein a rotating hole is formed in the middle of the lever (861), the rotating seat (865) is rotatably connected with the lever (861) through the rotating hole, and the hammer (862) is installed at one end, close to a fixing device slide way (841), of the lever (861);

the distance from the rotating hole to one end, close to the fixing device slide rail (841), of the lever (861) is larger than the distance from the rotating hole to one end, close to the pneumatic device (85), of the lever (861).

6. The high-rise rescue unmanned aerial vehicle as claimed in claim 5, wherein: the lever device (86) further includes a hammer cushion (863) and an air hammer cushion (864), the hammer cushion (863) is installed on the hammer (862), and the air hammer cushion (864) is installed on the air hammer (851).

7. The high-rise rescue unmanned aerial vehicle as claimed in claim 6, wherein: the pneumatic structure air inlet structure is characterized in that a first air inlet (811), a first air inlet channel (812), a second air inlet channel (813) and an air outlet channel (814) are arranged on the shell (81), the first air inlet (811) is communicated with the first air inlet channel (812), the first air inlet channel (812) is located behind a hammer (862), the second air inlet channel (813) is located at the rear end of the hammer (851), and the air outlet channel (814) is connected with a pneumatic structure air outlet (854) through an exhaust connecting pipe (855);

the spraying clamping plate (83) is provided with a clamping plate air hole (831) and a protection plate (833), and the protection plate (833) is an arc-shaped plate.

8. The high-rise rescue unmanned aerial vehicle as claimed in claim 7, wherein: the connecting device (7) comprises a sub-base (71), a female base (72) and a bracket (73), wherein the sub-base (71) is installed at the side end of a connecting beam (343) of one aircraft, the female base (72) is installed at the side end of the connecting beam (343) of the other aircraft through the bracket (73), and the sub-base (71) is detachably connected with the female base (72).

9. The use method of the high-rise rescue unmanned aerial vehicle as claimed in claim 8, characterized by comprising the following steps:

s1, filling a rescue net (5), connecting two end points at the front end of the rescue net (5) with a fixing device (6), placing the two fixing devices (6) into the two spraying net devices (8) from nozzles (842), fixing two end points at the rear end of the rescue net (5) at the lower ends of the two aircrafts respectively, wherein at the moment, the two aircrafts are in a separated state, part of the rescue net (5) is placed at a rescue net slideway (832) and an axial opening, and part of the rescue net (5) is suspended between the two aircrafts;

s2, controlling flying, wherein the two aircrafts take off from the ground simultaneously with the rescue net (5), acquiring the aerial position and video information of the aircrafts through a video acquisition system (4), and the flying system (1) realizes the direction and height adjustment of the aircrafts to enable the aircrafts to fly below the personnel to be rescued;

s3, spraying a rescue net (5), aligning the nozzle (842) with an external wall (9) of a building, compressing air into the trigger structure (853) by the air pump (857) through the air pump connecting pipe (856), stopping the air pump (857) when the air pressure in the trigger structure (853) reaches a critical value, releasing the air pressure by the trigger structure (853), driving the telescopic rod (852) to rapidly extend, causing the air hammer (851) to strike the air hammer cushion (864), driving the lever (861) to rotate around the rotary seat (865), causing the striking hammer (862) to strike the fixing device (6), wherein the fixing device (6) carries the rescue net (5) to be ejected from the nozzle (842), and fixing two front end points of the rescue net (5) on the surface of the external wall (9) of the building;

s4, rescue and protection are achieved, the rescue net (5) is unfolded below the person to be rescued, when the person to be rescued falls into the rescue net (5), the two aircrafts approach each other, the sub-seat (71) is connected with the main seat (72) to enable the rear end of the rescue net (5) to be contracted, the upper portion of the rescue net (5) is contracted, and the person to be rescued is prevented from falling from the rescue net (5) for the second time.