CN109911405B - Goods packaging device and packaging method for low-altitude air drop - Google Patents
Goods packaging device and packaging method for low-altitude air drop Download PDFInfo
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Abstract
The utility model provides a cargo packaging device, packing method for low latitude air drop, belongs to low latitude air drop cargo field, in order to solve the problem that the device can reduce the destruction that the impact force caused to goods to ground to a great extent when directly throwing to ground air, including L type shock attenuation angle bead, compressed air box, flexible PVC spheroid, disposable rubber ring, the air exhaust device of nitrile rubber material, L type shock attenuation angle bead is pasted at eight edges of cuboid goods packing carton through the gum, and its shape accords with the edges of cuboid goods packing carton, is by three L type nitrile rubber material through limit and limit vertical connection; the compressed air box is filled with compressed air with certain pressure, and the two opposite surfaces of the compressed air box are respectively provided with an air inlet hole and an air outlet hole, so that damage to goods caused by landing impact force is reduced to a great extent.
Description
Technical Field
The invention belongs to the field of low-altitude air-drop goods, and relates to a goods packaging device and a packaging method for low-altitude air-drop.
Background
In recent years, with the rapid development of the software and hardware of unmanned aerial vehicle flight control systems, power batteries, wireless communication technology, smart phones and other technologies, the unmanned aerial vehicle industry rapidly develops. The unmanned aerial vehicle has the characteristics of low cost, good maneuvering characteristics, high degree of automation, convenient use and the like. With the continuous opening of the general aviation field of China, the continuous promotion of the continuous voyage mileage of the unmanned aerial vehicle and the realization of the 5G communication technology, the utilization of the unmanned aerial vehicle for the express delivery of small articles can be ensured to be an important direction of the development of the future express delivery industry. Compared with a rotor unmanned aerial vehicle, the fixed wing unmanned aerial vehicle has the characteristics of long voyage, high speed, large cargo carrying capacity, low transportation cost and the like, and along with the increasingly perfect taking-off and landing technologies of the fixed wing unmanned aerial vehicle, the low-altitude rapid delivery of small cargoes by utilizing the fixed wing unmanned aerial vehicle is inevitably widely applied in a plurality of fields and a plurality of scenes. One significant feature of the fixed wing drone in low-altitude delivery of small cargo is that the fixed wing drone does not land, cannot hover, and flies over the cargo delivery site at a speed (70-90 km/h) and delivers cargo from the drone to the ground. In order to prevent the goods from falling to the ground at a high speed from the air and damaging the goods, 2 methods are generally adopted to slow down and buffer the goods: one method is to install a parachute or a cushion air cushion on the cargo, and one method is to install a cushion damper on the ground. The parachute installation mode can increase the delivery cost, and has strict requirements on the altitude, wind direction and wind speed of the air throwing; the mode of adding the buffer air cushion is used for damping and buffering large-scale material air drop in the military field close to the ground. The method of installing the buffering and damping device on the ground is used for receiving the goods thrown in the low-altitude air, and the buffering device on the ground can be accurately thrown in the ground when the accuracy of the goods throwing is required to be ensured. Because the speed of a fixed-wing unmanned aerial vehicle is faster when delivering, the aircraft has a certain distance from the vertical direction of the buffer device, and factors such as the shape, wind speed, wind direction and the like of goods all interfere the delivery accuracy.
Disclosure of Invention
In order to solve the problem that the device can greatly reduce damage to goods caused by landing impact force when the device is directly dropped to the ground, the invention provides the following technical scheme:
The utility model provides a goods packing plant for low altitude air drop, includes L type shock attenuation angle bead, compressed air box, flexible PVC spheroid, disposable rubber ring, the air exhaust device of nitrile rubber material, L type shock attenuation angle bead is pasted at eight edges and corners of rectangular form goods packing carton through the gum, and its shape accords with the edges and corners of rectangular form goods packing carton, is by three L type nitrile rubber material through the perpendicular connection of limit with the limit; the compressed air box is filled with compressed air with certain pressure, an air inlet hole and an air outlet hole are respectively arranged on two opposite surfaces of the compressed air box, and the compressed air box is stuck with a rectangular goods packing box by back glue; the flexible PVC ball comprises two hemispheres, which are combined into a whole ball, the goods packaging box is contained in the whole ball, joints between the two hemispheres are sealed through hot melt adhesive, the ball of one hemispheres is provided with a lead hole which is communicated with the outside and is penetrated by a lead, an air suction hole is reserved on the ball of the one hemispheres, one end of the lead is connected with an air outlet hole of the compressed air box inside the ball, a lead between the air outlet hole and the lead hole penetrates through and is fixedly connected with a sheet rubber cushion, the lead penetrates through an axial hole of the rubber cushion, the lead is sealed with the lead hole on the rubber cushion so that the two are mutually fixed, the lead extends out of the ball through the lead hole, the lead can move from the inside of the ball to the outside of the lead hole, and is fixedly connected with a slide way at the top of a flexible rubber ring, the lead hole is sealed through the hot melt adhesive, and the air suction device pumps air to the sealed flexible ball PVC, so that the flexible PVC ball is contracted into a rectangular goods packaging box with the shape similar to the rectangle goods.
A packing method for the packing unit of goods for low-altitude air drop features that the L-shaped vibration-damping corners of nitrile rubber are stuck to the eight corners of packing box, the back rubber is used to stick the compressed air box to the packing box, which is a flat rectangular body, the compressed air is filled in it and released, the compressed air is released and filled in the spherical body, the packing box is contained in the PVC spherical body, two hemispheres are combined to become a whole, the joint between two hemispheres is sealed by hot-melt adhesive, the hole for leading wire is arranged on the spherical body of one hemisphere, connecting one end of the lead wire inside the ball with the air outlet hole of the compressed air box, penetrating and fixedly connecting the lead wire between the air outlet hole and the lead wire hole with a sheet rubber pad, penetrating the lead wire through the axial hole of the rubber pad, sealing the lead wire and the lead wire hole on the rubber pad to fix the lead wire and the lead wire hole with each other, extending the lead wire to the outside of the ball body through the lead wire hole, the lead can move from the inside of the sphere to the outside of the sphere in the lead hole, the lead is fixedly connected with the rubber ring which can be broken by pulling, the air extractor extracts air from the sealed flexible PVC sphere through the air extraction hole, so that the flexible PVC sphere contracts and the shape of the flexible PVC sphere is close to a rectangular goods packing box, and the rubber ring is fixedly connected with a slideway at the top of a cargo warehouse of the unmanned aerial vehicle.
The beneficial effects are that: the device can improve the accuracy of the landing place of the fixed wing unmanned aerial vehicle for the air-drop goods with lower cost; when the device is used for directly performing air drop to the ground, the damage of landing impact force to goods can be reduced to a great extent; when the device is used for directly opening to the water surface/sea surface, the damage of impact force on goods caused by contact with the water surface/sea surface can be greatly reduced. The packaging device has the function of increasing the flight stability of the air-drop goods, namely, when the fixed wing unmanned aerial vehicle is used for carrying out the air-drop of the low-altitude small goods, after the goods leave the goods warehouse of the airplane, the packages of the goods can be changed into spheres from square or rectangle immediately, the interference of wind direction and wind speed on the goods flat-throwing flight route is greatly reduced, and the accuracy of the goods throwing ground speed reduction buffer device is increased. When utilizing fixed wing unmanned aerial vehicle low altitude air-drop shock resistance better smallclothes goods, can need not ground device's cooperation, this packing plant can let the direct buffering of smallclothes goods fall to the ground. Namely, the goods immediately become larger round after leaving the aircraft cargo warehouse, a larger shock absorption angle bead is arranged between the goods and the packaging device, the goods can directly fall to the ground, and the impact force generated when the goods fall to the ground is buffered through the outer PVC inflatable spherical surface of the device and the deformation generated when the shock absorption angle bead collides with the ground. The packaging device has a deformation function, and in order to increase the cargo carrying capacity of the aircraft cargo warehouse, the device is rectangular or square in the cargo warehouse, and becomes spherical instantly after being taken out of the cargo warehouse. The packaging device realizes rapid deformation of the goods after delivery through mechanical structure design, does not use a power supply or a battery, and has good environmental adaptability. The device is composed of conventional parts such as PVC spheres, compressed air boxes, shock absorption corner protectors and the like, and has the characteristics of low production cost, low use cost and simple use. The goods packaging device for low-altitude air drop has the advantages of simple structure, low cost and suitability for various models, and can improve the accuracy of falling low-altitude air drop goods into the speed reduction buffer device; when the air drop is carried out directly to the ground, the damage of the landing impact force to the goods can be reduced. When the device is used for directly opening to the water surface/sea surface, the damage of impact force on goods caused by contact with the water surface/sea surface can be greatly reduced. The packaging device has the characteristics of reasonable mechanical structure design, no use of power supply in the unmanned aerial vehicle, foldable storage in the cargo warehouse of the unmanned aerial vehicle, stable air flight line after delivery, good landing buffering effect, low cost and the like, and is very suitable for large-scale popularization in the fields of small rapid logistics and the like.
Drawings
FIG. 1 is a diagram of a PVC sphere;
FIG. 2 is a flexible high-elastic L-shaped shock-absorbing corner protector diagram;
FIG. 3 is a compressed air cassette diagram;
FIG. 4 is a diagram of LED lamp placement;
FIG. 5 is a flight path diagram;
FIG. 6 is a flight path diagram;
fig. 7 is a flight path diagram.
Wherein: 1. the air inlet, the back glue, the air outlet, the lead and the rubber pad are respectively arranged on the upper surface and the lower surface of the base.
Detailed Description
A goods packing device for low-altitude air drop consists of a flexible high-elastic L-shaped shock absorption corner protector, a compressed air box, a PVC sphere, a disposable rubber ring, an air extractor and the like. The high-elastic L-shaped shock absorption corner protector is made of light high-density nitrile rubber and is adhered to 8 corners of the packaging box (cuboid/cube) through back glue. The compressed air box is a flat cuboid with various specifications, compressed air with certain Mpa is filled in the compressed air box, one side of the compressed air box is provided with an air inlet, and the other side of the compressed air box is provided with 1 air outlet. The compressed air box can be adhered to one side of the packaging box through back adhesive. The flexible PVC sphere is composed of 2 hemispheres, and the joint between the 2 hemispheres can be sealed by hot melt adhesive. One hemisphere is provided with a lead which is communicated with the outside and can be stretched, and one hemisphere is provided with an air suction hole. PVC spheres with proper diameters are selected according to the volume and density of the air-drop goods, the air-drop goods with 8 corners attached with the corner protectors are wrapped by 2 hemispheres, one end of a lead wire in each sphere is connected with an air outlet hole of a compressed air box, and the spheres are sealed by hot melt adhesive. The air extractor extracts air from the sealed flexible PVC spheres, and the flexible PVC spheres shrink and deform to the size (cuboid/cube) of the packaging box. The outer lead of ball extends one end distance and is connected with a rubber ring at the other end, and this rubber ring has different diameters, and different diameters correspond different pulling force values, and when the pulling force of lead wire for the rubber ring reached the fracture value, the rubber ring fracture. And placing the packaged goods in a cargo warehouse of the unmanned aerial vehicle, and connecting the rubber ring with a slideway at the top of the cargo warehouse of the unmanned aerial vehicle. When fixed wing unmanned aerial vehicle flies to the goods delivery place, the air-drop goods leaves unmanned aerial vehicle storehouse, because gravity effect lead wire is straightened, the interior lead wire pulling force of first moment ball opens the air outlet of compressed air box, the spheroid is touched to the cushion fixed on the second moment lead wire, the pulling force further increases the rubber ring fracture in the storehouse, the air-drop goods is accomplished and is separated with unmanned aerial vehicle storehouse, fly to ground with the form of throwing like, the quick release of compressed air makes the PVC spheroid expand into the sphere rapidly, the spherical uncertainty interference of wind direction and wind speed to the goods flight route has been subdued in the throwing process, the accuracy of goods throwing ground speed reduction buffer has greatly been increased. Simultaneously, PVC spheroid and L shock attenuation angle bead buffering effect are splendid, and when the air-drop goods was able to bear the impact, the goods after the packing can directly throw to ground.
In order to receive goods thrown by the unmanned aerial vehicle with fixed wings, a speed reduction buffer device (such as a speed reduction net or an inflatable air cushion) is arranged on the ground, the goods are separated from a goods warehouse of the unmanned aerial vehicle with fixed wings and then become spherical to drop in a flat throwing mode, but the shapes of the goods can be influenced by factors such as wind speed and wind direction to cause deformation of the flight track of the goods, and particularly when the flight speed is high and the aircraft is far away from the ground, the goods are likely to fall into an area beyond the speed reduction buffer device, so that the goods are damaged by larger impact force. The goods wrapped by the goods packaging device for low-altitude air drop provided by the invention are subjected to the air expansion effect immediately after leaving the goods warehouse to become spherical, the influence of wind speed and wind direction in the horizontal throwing flight process is small, the falling flight route is stable, and the goods can accurately fall into the deceleration buffer device on the ground.
When impact-resistant goods are thrown to the ground in an air-drop mode, for example, books, clothes and disaster relief materials, larger high-elastic L-shaped shock absorption corner protectors can be adhered outside the packages of the goods, the goods can be thrown to the ground in an air-drop mode directly through an unmanned aerial vehicle, the goods are changed into balls immediately after being separated from a cargo warehouse of a fixed wing unmanned aerial vehicle and fall in a flat throwing mode, and after falling to the ground, the shapes of the flexible PVC balls and the 8L-shaped shock absorption corner protectors are deformed, and the impact force of the goods to the ground is absorbed to a great extent by forward rolling potential energy of the balls. If the parachute is used for airdropping goods, a higher airdropping height is needed, and the falling track of the parachute is seriously interfered by wind direction and wind speed.
When the goods are thrown to the water surface/sea surface, the goods are separated from the cargo warehouse of the fixed wing unmanned plane and become spherical and drop in a horizontal throwing mode, and the goods float out of the water surface due to the buoyancy of the spherical body after entering the water. If the density of the goods is large, the code shock absorption angle bead can be enlarged outside the goods, the PVC sphere with a large diameter can be wrapped, and the volume of the sphere is enlarged, so that the sphere can be ensured to float out of the water. The sphere floats on the water surface and has bright color, which is beneficial to naked eye identification and is convenient for the salvage and recovery of the workers on the ship. Compared with the air-drop cargo packaging device which utilizes the parachute to drop to the water surface or to drop to the ship body, the air-drop cargo packaging device has the advantages of low air-drop height, accurate drop point, automatic floating of cargoes and the like.
A goods delivery method of a goods packaging device for low-altitude aerial delivery, when a fixed-wing unmanned aerial vehicle flies to a goods delivery place, the aerial delivery goods packaged by the goods packaging device leave an unmanned aerial vehicle warehouse, the lead is straightened due to the gravity of the aerial delivery goods, the lead in the ball is stretched to open an air outlet of a compressed air box, compressed air in the compressed air box begins to release, the lead in the ball is separated from the compressed air box, the aerial delivery goods continuously fall, the lead can move from the inside of the ball to the outside of the ball in a lead hole due to the separation of the lead in the ball and the compressed air box, the lead penetrates through and is fixedly connected with a sheet-shaped rubber cushion, the lead is separated from the air outlet of the compressed air box, the lead is relatively upwards displaced relative to the aerial delivery goods in a downward manner until the lead hole of the ball is contacted with the rubber cushion to prevent the lead from continuously moving relative to the lead hole, the lead in the ball hole is separated from the gravity of the ball, the lead in the ball is continuously fallen, the lead in the form of the air cushion is pulled down by the air cushion, and the air cushion is continuously connected with the ball in the form of a compressed air cushion, and the air cushion is continuously released from the ball, and the air cushion is continuously connected with the ball in the form of the air cushion is compressed by the air cushion.
By the scheme, the method for positioning through the LED comprises the following steps: LED lamps are rectangular and placed at four corners of the receiving device, and an LED lamp placement diagram based on the viewing angle of the fixed wing unmanned aerial vehicle is shown in fig. 4: in order to ensure that the fixed wing unmanned aerial vehicle can accurately identify the position of the device, the position and the flight direction of the machine body are adjusted in time, wherein the LED lamp A and the LED lamp B are white and are respectively positioned at the left upper part and the right upper part of four corners of the device, and the LED lamp C and the LED lamp D are red and are respectively positioned at the right lower part and the left lower part of the four corners of the device.
Because the direction of the receiving device is indefinite, in a first circle of the fixed wing unmanned aerial vehicle which horizontally surrounds the receiving device and flies, a digital camera in the fixed wing unmanned aerial vehicle can detect two white light source pixels (an LED lamp A and an LED lamp B) and two red light source pixels (an LED lamp C and an LED lamp D), the unmanned aerial vehicle can determine the opening receiving direction of the receiving device according to the positions of the light source pixels, then the fixed wing unmanned aerial vehicle further reduces the flying height and forwards flies to the opening of the receiving device, and based on the visual angle of the fixed wing unmanned aerial vehicle, the midpoint value between the two white light source pixels is found out through an image algorithm, and the left and right positions of the unmanned aerial vehicle can be timely adjusted, so that the fixed wing unmanned aerial vehicle flies along the midpoint value of the two white light source pixels. As shown in fig. 5:
In the process that the fixed wing unmanned aerial vehicle adjusts the position of the aircraft body to fly to the receiving device along the midpoint value of the two white light source pixels, the distance between the white light source pixels and the red light source pixels detected by the digital cameras in the unmanned aerial vehicle is amplified in a nonlinear manner relative to the vision of the fixed wing unmanned aerial vehicle, and when the red light source pixels reach the lowest threshold of the visible area of the digital cameras in the unmanned aerial vehicle (the lowest threshold is selected according to the real-time calculation of the delivered goods and natural influence factors), the fixed wing unmanned aerial vehicle delivers the goods.
Based on the above description, if the fixed wing flies along the direction of the midpoint value between the two white light source pixels, and the detected red light source pixel is located at the lowest threshold of the camera visible area in the fixed wing unmanned aerial vehicle, the cargo can be accurately put into the receiving device, as shown in the case 1 in fig. 6 and the case 1 in fig. 7. If the red light source pixel detected by the fixed wing unmanned aerial vehicle is at the lowest threshold of the camera visible area in the fixed wing unmanned aerial vehicle, deviates from the direction of the midpoint value between the two white light source pixels, flies to the left along the direction of the midpoint value, then the situation 2 shown in fig. 6 can appear; if the fixed wing unmanned aerial vehicle flies along the direction of the right side of the midpoint value of the two white light source pixels, the situation 3 shown in fig. 6 can occur. If the fixed-wing unmanned aerial vehicle flies along the direction of the midpoint value between the two white light source pixels, the red light source pixels detected by the digital cameras in the unmanned aerial vehicle are not positioned at the lowest threshold value of the camera visible area in the fixed-wing unmanned aerial vehicle, and then goods are thrown, as shown in the condition 4 in fig. 7; if the detected red light source pixel exceeds the lowest threshold of the camera viewing area in the fixed wing drone, then the cargo is dropped, as shown in case 5 of fig. 7.
While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (1)
1. The goods delivery method for the goods packaging device for low-altitude air drop is characterized by comprising an L-shaped shock absorption corner protector made of nitrile rubber, a compressed air box, a flexible PVC sphere, a disposable rubber ring and an air extractor, wherein the L-shaped shock absorption corner protector is adhered to eight corners of a rectangular goods packaging box through back glue, the shape of the L-shaped shock absorption corner protector is consistent with the corners of the rectangular goods packaging box, and the L-shaped shock absorption corner protector is formed by vertically connecting three L-shaped nitrile rubber materials from side to side; the compressed air box is filled with compressed air with certain pressure, an air inlet hole and an air outlet hole are respectively arranged on two opposite surfaces of the compressed air box, and the compressed air box is stuck with a rectangular goods packing box by back glue; the flexible PVC ball body is composed of two hemispheres which are combined into a whole ball, a goods packaging box is contained in the whole ball body, a joint between the two hemispheres is sealed through hot melt adhesive, the ball body of one hemispheres is provided with a lead hole which is communicated with the outside and is penetrated by a lead wire, an air suction hole is reserved on the ball body of the other hemispheres, one end of the lead wire is connected with an air outlet hole of the compressed air box, a piece of rubber cushion is penetrated and fixedly connected with the lead wire between the air outlet hole and the lead wire hole, the lead wire penetrates through an axial hole of the rubber cushion, the lead wire and the lead wire hole on the rubber cushion are sealed so that the two are mutually fixed, the lead wire extends out of the ball body through the lead wire hole, the lead wire can move from the inside of the lead wire hole to the outside of the ball body, the lead wire is fixedly connected with a slide way at the top of the unmanned aerial vehicle goods cabin, the lead wire hole is sealed through the hot melt adhesive, the air suction device pumps the sealed flexible ball body through the air suction hole PVC, and the flexible PVC ball body is contracted into a rectangular goods in the shape similar to the shape of the rectangular goods;
The goods packaging device for low-altitude air drop uses back glue to paste L-shaped shock absorption corner protectors made of nitrile rubber on eight corners of a goods packaging box, uses back glue to paste a compressed air box on the goods packaging box, the compressed air box is a flat rectangular body, compressed air with certain pressure is filled in the compressed air box and is released by the compressed air box, the pressure is enough to release and fill the inside of a sphere, the flexible PVC sphere accommodates the goods packaging box in the sphere, two hemispheres are combined into a whole sphere, then a joint between the two hemispheres is sealed by hot melt glue, a sphere of one hemisphere is provided with a lead hole which is communicated with the outside and is passed by a lead wire, the sphere of one hemisphere is provided with an air suction hole, one end of the lead wire in the sphere is connected with the air outlet hole of the compressed air box, the lead wire between the air outlet hole and the lead wire hole is penetrated and fixedly connected with a sheet-shaped rubber pad, the lead wire is penetrated by the axial hole of the rubber pad, and the lead wire hole of the rubber pad is sealed to enable the two to be mutually fixed, the two lead wires extend to the outside the sphere through the hole, the sphere can be combined into a whole sphere, the two hemispheres are sealed by the lead wire holes are enabled to move from the inside the sphere to the sphere, the inside the sphere is connected with the outer sphere, the outer side of the sphere is close to the flexible PVC packaging box, the flexible glass is in a flexible glass-shaped, and the air-tight glass packaging box is connected with the flexible glass, and the air-tight glass packaging box, and the top is in a flexible glass-like packaging box, and a flexible glass packaging box is connected with a flexible glass, and a flexible packaging box, and a bag is connected through a bag;
The delivery method comprises the following steps of: the LED lamps are rectangular and placed at four corners of the receiving device, and in order to ensure that the fixed wing unmanned aerial vehicle can accurately identify the position of the device, the position and the flight direction of the unmanned aerial vehicle body are timely adjusted, wherein the LED lamps A and the LED lamps B are white and are respectively positioned at the left upper part and the right upper part of the four corners of the device, and the LED lamps C and the LED lamps D are red and are respectively positioned at the right lower part and the left lower part of the four corners of the device;
Because the direction of the receiving device is indefinite, in a first circle of the fixed-wing unmanned aerial vehicle which horizontally surrounds the receiving device to fly, a digital camera in the fixed-wing unmanned aerial vehicle can detect two white light source pixels, namely an LED lamp A and an LED lamp B, and two red light source pixels, namely an LED lamp C and an LED lamp D, the unmanned aerial vehicle can determine the opening receiving direction of the receiving device according to the positions of the light source pixels, then the fixed-wing unmanned aerial vehicle further reduces the flying height and forwards flies to the opening of the receiving device, and based on the visual angle of the fixed-wing unmanned aerial vehicle, the midpoint value between the two white light source pixels is found out through an image algorithm, and the left and right positions of the unmanned aerial vehicle can be timely adjusted, so that the fixed-wing unmanned aerial vehicle flies along the midpoint value of the two white light source pixels;
In the process that the fixed wing unmanned aerial vehicle adjusts the position of the aircraft body to fly to the receiving device along the midpoint value of the two white light source pixels, the distance between the white light source pixels and the red light source pixels detected by the digital cameras in the unmanned aerial vehicle is amplified in a nonlinear manner relative to the vision of the fixed wing unmanned aerial vehicle, when the red light source pixels reach the lowest threshold value of the visible area of the digital cameras in the unmanned aerial vehicle, the lowest threshold value is selected and calculated in real time according to the delivered goods and natural influence factors, and the fixed wing unmanned aerial vehicle delivers the goods;
When the fixed wing unmanned aerial vehicle flies to the goods delivery place, the air drop goods packaged by the goods packaging device leave the unmanned aerial vehicle cargo warehouse, the lead wire is straightened because of the gravity of the air drop goods, the lead wire in the spheroid is stretched and is opened with the air outlet of the compressed air box, compressed air in the compressed air box begins to release, the lead wire in the spheroid is separated with the compressed air box, the air drop goods continue to fall, because the lead wire in the spheroid is separated with the compressed air box, and can be moved from the inside of the spheroid to the outside in the lead wire hole, the lead wire between the air outlet of the compressed air box in the spheroid and the lead wire hole of the spheroid, the flaky rubber pad penetrating and fixedly connected with the lead wire is separated along with the air outlet of the lead wire and has relative upward displacement relative to the air drop goods moving downwards, until the contact of the flaky rubber pad and the lead wire hole of the spheroid is in order to hinder the lead wire to continue to move relative to the lead wire hole, the air drop goods continue to fall, the lead wire and the lead wire is separated from the compressed air box, the inside of the spheroid is separated from the lead wire hole of the compressed air box, the inside of the spheroid can be pulled off, the air drop goods is fixed by the outside of the sphere inside the air drop goods warehouse, the compressed air drop goods is fixed by the compressed air cushion, and the compressed air is released by the air cushion, and the compressed air drop goods is in the form of the sealed by the air drop goods is continuously separated by the air hole.
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| CN111573028A (en) * | 2020-04-17 | 2020-08-25 | 胡杰 | A regulation formula protection device for chemical products |
| CN112076467B (en) * | 2020-09-17 | 2023-03-10 | 腾讯科技（深圳）有限公司 | Method, device, terminal and medium for controlling virtual object to use virtual prop |
| CN115724053B (en) * | 2021-08-31 | 2024-11-22 | 重庆康佳光电科技有限公司 | Adsorption box |
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| TW200811006A (en) * | 2006-08-29 | 2008-03-01 | Aopen Inc | Packaging cushion and cushion assembly |
| CN102362141A (en) * | 2009-02-02 | 2012-02-22 | 威罗门飞行公司 | Multi-mode Unmanned Aerial Vehicle |
| CN101596969A (en) * | 2009-04-30 | 2009-12-09 | 钟爱民 | Air delivery container |
| CN103448911A (en) * | 2013-09-16 | 2013-12-18 | 金陵科技学院 | Extreme low-altitude drop device |
| CN105035489A (en) * | 2015-09-17 | 2015-11-11 | 中国人民解放军军事医学科学院卫生装备研究所 | Air-drop box with air bag protection device |
| US10131428B1 (en) * | 2016-02-18 | 2018-11-20 | Wing Aviation Llc | Inflatable packaging for use with UAV |
| CN106347691A (en) * | 2016-10-24 | 2017-01-25 | 袁冶 | General aviation transportation cargo airdropping cargo ground article collecting spreading net system and use method thereof |
| CN107640323A (en) * | 2017-10-27 | 2018-01-30 | 航宇救生装备有限公司 | Balloon emergency device |
| CN207737704U (en) * | 2017-11-17 | 2018-08-17 | 天津傲翔仪器仪表有限公司 | A kind of sealing placing box of industrial instrument |
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| CN109911405A (en) | 2019-06-21 |
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