CN111846232A - Working method of rigid-flexible coupling air-drop cargo combined buffer device - Google Patents
Working method of rigid-flexible coupling air-drop cargo combined buffer device Download PDFInfo
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- CN111846232A CN111846232A CN202010696490.9A CN202010696490A CN111846232A CN 111846232 A CN111846232 A CN 111846232A CN 202010696490 A CN202010696490 A CN 202010696490A CN 111846232 A CN111846232 A CN 111846232A
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- 230000008878 coupling Effects 0.000 title abstract description 10
- 238000010168 coupling process Methods 0.000 title abstract description 10
- 238000005859 coupling reaction Methods 0.000 title abstract description 10
- 230000003139 buffering effect Effects 0.000 claims abstract description 100
- 239000000463 material Substances 0.000 claims abstract description 52
- 230000008569 process Effects 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims description 4
- 244000062793 Sorghum vulgare Species 0.000 claims description 2
- 235000019713 millet Nutrition 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
- B64D1/08—Dropping, ejecting, or releasing articles the articles being load-carrying devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
- B64D1/08—Dropping, ejecting, or releasing articles the articles being load-carrying devices
- B64D1/14—Absorbing landing shocks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Buffer Packaging (AREA)
Abstract
The invention discloses a working method of a rigid-flexible coupling air-drop cargo combined buffer device, which comprises an air-drop material storage box, a buffer spring, an inner buffer air bag, an inner spherical shell, an outer buffer air bag and an outer spherical shell; in the process of carrying air landing, the outer spherical shell is firstly deformed to realize primary buffering; then the folding buffer connecting piece deforms to realize secondary buffer; the outer buffering air bag is compressed and is exhausted outwards for pressure relief through an exhaust valve of the outer buffering air bag, so that three-level buffering is realized; the inner spherical shell is deformed by load, so that four-stage buffering is realized; the buffer spring contracts subsequently to realize five-stage buffering; the inner buffering air bag is compressed finally, and exhausts and releases pressure outwards through the inner buffering exhaust valve, so that six-stage buffering is realized; the multistage buffering method of the airborne device not only can realize the gradual absorption of impact energy, but also can avoid the rapid increase of the internal pressure of the buffering air bag and prevent the explosion of the buffering air bag, thereby effectively ensuring the integrity of materials in the airborne device.
Description
Technical Field
The invention relates to the field of cargo airborne safety protection, in particular to a working method of a rigid-flexible coupling airborne cargo combined buffer device.
Background
The object carrying air-drop is the material needed by the air-drop to the destination, and has great practical significance in the aspects of military affairs, earthquake relief and the like. Because the airborne goods and materials will bear the huge impact load on the ground at the landing moment, in order to ensure the safe landing of the airborne goods and materials and facilitate the subsequent use of the airborne goods and materials by ground receiving personnel, a protective buffer device is needed to reduce the damage of the impact load on the goods and materials.
In the actual carrying air-drop landing process, the existing carrying air-drop device has the following problems:
1. the existing carrying air-drop device mostly adopts a large-area parachute to decelerate materials so as to ensure that the materials are safely dropped to the ground. However, such airborne devices always have the problems of direct ground contact of airdropped materials, large bounce and even turnover, which can cause great damage to equipment, and cannot ensure the accuracy of landing sites, especially cannot adapt to airborne landing in severe weather and complex landing terrain.
2. In order to overcome the problem that an air-drop device directly contacts the ground, a small part of the prior art designs an anti-overturn device on the air-drop device and arranges a buffering protective air bag at the bottom of the device, but the buffering protective air bag arranged at the bottom of the device is easily punctured by a sharp object on the ground when contacting the ground, so that the air bag leaks air or the air bag explodes due to overlarge internal pressure of the air bag, and the air-drop device brings fatal damage to air-drop materials.
3. Most of the existing loaded airborne buffering devices adopt airbag buffering devices, most of the loaded airborne buffering devices are single-air-chamber airbag buffering devices, and no other buffering devices exist, so that the effective buffering stroke and the buffering form are limited, and therefore, the loaded airborne buffering devices cannot have a good buffering effect on airborne materials.
Disclosure of Invention
In order to overcome the problems, the invention provides a working method of the rigid-flexible coupling air-drop cargo combined buffer device, which simultaneously solves the problems.
The technical scheme adopted by the invention for solving the technical problems is as follows: a working method of a rigid-flexible coupled air-drop cargo combined buffer device comprises an air-drop cargo storage box, an inner buffer air bag, an inner spherical shell, an outer buffer air bag and an outer spherical shell, wherein the air-drop cargo storage box, the inner buffer air bag, the inner spherical shell, the outer buffer air bag and the outer spherical shell are arranged in a mode of wrapping air-drop cargo layer by layer from inside to outside; a plurality of connecting rings are uniformly arranged on the surface of the air-drop material storage box and the inner surface of the inner spherical shell; the connecting rings arranged on the airborne material storage box correspond to the connecting rings arranged on the inner surface of the inner spherical shell one to one; the airborne material storage box is connected with the inner spherical shell through a plurality of buffer springs in a hooking mode, wherein each pair of the corresponding connecting rings are connected with each other;
The inner buffering air bag is arranged in a gap between the air-drop material storage box and the inner spherical shell; the outer buffer air bag is arranged in a gap between the inner spherical shell and the outer spherical shell; a plurality of corresponding assembling grooves are uniformly arranged on the outer surface of the inner spherical shell and the inner surface of the outer spherical shell; each pair of the assembly grooves corresponding to each other is provided with a folding buffer connecting piece for connecting the inner spherical shell and the outer spherical shell; the folding buffer connecting piece consists of three-dimensional buffer areas at two ends and a plurality of folding buffer areas in the middle; the three-dimensional buffer area is a thin-wall pipe with a polygonal section; the folding buffer area forms rotary folding concave angles which are arranged circumferentially by crease lines and combining a rotary folding mode;
the inner spherical shell consists of two hemispherical clamping key inner hemispherical shells and a clamping groove inner hemispherical shell and is assembled together through an inner spherical shell clamping structure; the inner spherical shell clamping structure consists of an inner spherical shell clamping key on a clamping key inner hemispherical shell and an inner spherical shell clamping groove on a clamping groove inner hemispherical shell; the outer spherical shell consists of two hemispherical clamping key outer hemispherical shells and a clamping groove outer hemispherical shell, and the two hemispherical clamping key outer hemispherical shells are assembled together through an outer spherical shell clamping structure; the outer spherical shell clamp and the structure consist of an outer spherical shell clamping key on a clamping key outer hemispherical shell and an outer spherical shell clamping groove on a clamping groove outer hemispherical shell;
The working steps are as follows: firstly, in the process of carrying an object and landing in an air-landing manner, the outer spherical shell is impacted by the ground firstly and begins to deform, so that primary buffering is realized; step two, in the process of carrying the object and landing in the air, after the outer spherical shell is deformed, the folding buffer piece arranged between the outer spherical shell and the inner spherical shell is compressed and starts to deform, so that secondary buffering is realized; step three, in the process of carrying the object and landing in the air, after the folding buffer connecting piece deforms, the outer buffer air bag arranged in the gap between the outer spherical shell and the inner spherical shell is compressed, when the internal pressure of the outer buffer air bag is higher than the pressure setting threshold value of the exhaust valve of the outer buffer air bag, the valve of the exhaust valve of the outer buffer air bag is opened, the outer buffer air bag exhausts air outwards to release pressure, and three-level buffering is realized; in the process of carrying the object and landing in the air, after the folding buffer connecting piece and the outer buffer air bag are pressed and deformed, the inner spherical shell begins to deform, and four-stage buffering is realized; in the process of carrying the object and landing in the air, after the inner spherical shell deforms, the buffer spring connecting the inner spherical shell and the air-falling material storage tank begins to contract under the action of load, so that five-stage buffering is realized; and step six, in the process of carrying the object and landing, after the inner spherical shell and the buffer spring deform, the inner buffer air bag arranged in the gap between the inner spherical shell and the landing material storage box is compressed, when the internal pressure of the inner buffer air bag is higher than the pressure setting threshold value of the exhaust valve of the inner buffer air bag, the valve of the exhaust valve of the inner buffer air bag is opened, the inner buffer air bag exhausts air outwards to release pressure, and six-stage buffering is realized.
Preferably, the mid-sections of the coupling rings of each pair corresponding to each other are on the same plane.
Preferably, the tail end of the buffer spring is provided with an arc-shaped tail hook.
Preferably, the number and the shape of the inner buffering air bags are matched with the space shape between the airborne material storage box and the inner spherical shell and the number of the connected buffering springs, and each inner buffering air bag is provided with an inner buffering air bag inflation valve and an inner buffering air bag exhaust valve.
Preferably, the centers of each pair of the corresponding assembling grooves are on a straight line, and the sectional shapes of the assembling grooves are the same as the sectional shapes of the three-dimensional buffer areas of the folding buffer connecting piece and can be matched with each other.
Preferably, the polygonal section of the stereo buffer area is a quadrangle, a pentagon or a hexagon.
Preferably, the crease line that forms folding reentrant angle on the folding buffer zone is symmetrical structure, comprises two right trapezoid and an isosceles triangle's shape, right trapezoid's minor face and hypotenuse are the millet crease, right trapezoid's right angle limit, long limit and isosceles triangle's central line, base are peak crease.
Preferably, the rotation direction of the rotary folding reentrant corner of the folding buffer area is clockwise or counterclockwise.
Preferably, the number of the outer buffering air bags is two, the two outer buffering air bags are respectively arranged in the outer hemispherical shell of the clamping key and the outer hemispherical shell of the clamping groove, the shapes of the outer buffering air bags are matched with the space shapes between the outer hemispherical shell and the inner hemispherical shell and the number of the folding buffering connecting pieces, and each outer buffering air bag is provided with an outer buffering air bag inflation valve and an outer buffering air bag exhaust valve.
The invention has the beneficial effects that:
1. aiming at the point 1 provided by the background technology, the invention adopts a method that the inner buffering air bag, the inner spherical shell, the outer buffering air bag and the outer spherical shell wrap the air-landing goods and materials layer by layer, so that the goods and materials are guaranteed to be protected by omnibearing buffering, the requirement of the landing posture of the air-landing device is reduced, meanwhile, the self energy absorption buffering is directly utilized, the landing accuracy of the air-landing device at the landing point is improved, and the air-landing capability in severe weather and complex landing terrain is enhanced.
2. Aiming at the 2 nd point proposed by the background technology, the invention adopts the following method: the inner buffering air bag is arranged in a gap between the air-drop material storage box and the inner spherical shell, the outer buffering air bag is arranged in a gap between the inner spherical shell and the outer spherical shell, and the folding buffering connecting piece is arranged between the inner spherical shell and the outer spherical shell; through the gradual energy absorption method of the outer spherical shell, the folding buffer connecting piece, the outer buffer air bag, the inner spherical shell and the inner buffer air bag, the internal pressure of the buffer air bag in the device cannot be increased sharply, and therefore the air bag explosion is avoided. Meanwhile, the mode of the built-in buffering air bag also avoids the buffering air bag from being damaged and leaking air, and the buffering effect of the buffering air bag can not be lost.
3. Aiming at the 3 rd point provided by the background technology, the invention adopts a working method of a rigid-flexible coupling air-drop cargo combined buffer device to solve the problem. In the process of carrying airborne landing, the outer spherical shell is firstly deformed to realize primary buffering; then the folding buffer connecting piece deforms under the action of load to realize secondary buffer; the outer buffering air bag is compressed and is exhausted outwards for pressure relief through an exhaust valve of the outer buffering air bag, so that three-level buffering is realized; the inner spherical shell is deformed by load, so that four-stage buffering is realized; the plurality of buffer springs connecting the airborne material storage box and the inner spherical shell contract subsequently to realize five-stage buffering; the inner buffering air bag is compressed finally, and exhausts and releases pressure outwards through the inner buffering exhaust valve, so that six-stage buffering is realized; through the multistage buffering method of the outer spherical shell, the folding buffering connecting piece, the outer buffering air bag, the inner spherical shell, the buffering spring and the inner buffering air bag, impact energy can be absorbed step by step, and therefore the safety of materials in the airborne device is guaranteed.
Note: the foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic overall view of the rigid-flexible coupled air-drop cargo combined buffer device of the present invention;
FIG. 2 is a schematic structural view of an outer hemispherical shell of the snap key of the present invention;
FIG. 3 is a schematic structural view of the outer hemispherical shell of the card slot of the present invention;
FIG. 4 is a sectional view of the rigid-flexible coupled air-drop cargo combined buffer device A-A of the present invention;
FIG. 5 is a schematic view showing the connection of the damper spring according to the present invention;
FIG. 6 is a schematic view of the structure of the buffer spring according to the present invention;
FIG. 7 is a schematic view of the construction of an inner cushion bladder in accordance with the present invention;
FIG. 8 is a schematic view of the overall assembly of the inner spherical shell of the present invention;
FIG. 9 is a schematic view showing the structure of a fitting groove in the present invention;
FIG. 10 is a schematic view showing the construction of an outer cushion bladder according to the present invention;
FIG. 11 is a schematic view of the assembly of the outer cushion bladder and the folding cushion attachment member of the present invention;
FIG. 12 is an enlarged view of the engagement structure of the inner and outer spherical shells of the present invention;
FIG. 13 is a schematic view of the folding cushioning connector of the present invention;
figure 14 is a flat expanded view of the folding cushioning link of the present invention.
In the figures, the reference numerals are as follows:
1. the air-drop material storage box comprises a clamping key outer hemispherical shell 2, a clamping groove outer hemispherical shell 3, an outer spherical shell clamping key 4, an outer spherical shell clamping groove 5, an air-drop material storage box 6, a buffer spring 7, an inner buffer air bag 8, an inner buffer air bag inflation valve 9, an inner buffer air bag exhaust valve 10, a clamping key inner hemispherical shell 11, a clamping groove inner hemispherical shell 12, an inner spherical shell clamping structure 13, a folding buffer connecting piece 14, an outer buffer air bag 15, an outer spherical shell clamping structure 16, a connecting ring 17, a buffer spring tail hook 18, an assembling groove 19, an outer buffer air bag inflation valve 20, an outer buffer air bag exhaust valve 21, an inner spherical shell clamping key 22, an inner spherical shell clamping groove 23, a three-dimensional buffer area 24, a folding buffer area 25, a folding concave angle 26, a valley crease 27, a peak
Detailed Description
As shown in the figure: a working method of a rigid-flexible coupling air-drop cargo combined buffer device is characterized in that the overall shape of the rigid-flexible coupling air-drop cargo combined buffer device is spherical, and the rigid-flexible coupling air-drop cargo combined buffer device comprises an air-drop cargo storage box 5, an inner buffer air bag 7, an inner spherical shell, an outer buffer air bag 14 and an outer spherical shell; the air-falling material storage box 5, the inner buffering air bag 7, the inner spherical shell, the outer buffering air bag 14 and the outer spherical shell are arranged in a mode of wrapping air-falling materials layer by layer from inside to outside; eight connecting rings 16 are uniformly arranged on the surface of the air-drop material storage box 5 and the inner surface of the inner spherical shell; the connecting rings 16 arranged on the air-drop material storage box 5 correspond to the connecting rings 16 arranged on the inner surface of the inner spherical shell one by one, and the middle sections of the connecting rings 16 corresponding to each other in each pair are on the same plane so as to be connected with the buffer spring 6; two ends of each buffer spring 6 are provided with buffer spring tail hooks 17 which are respectively hooked on eight pairs of corresponding connecting rings 16; the positions and the number of the connecting rings 16 arranged on the surface of the airborne material storage box 5 and the inner surface of the inner spherical shell are adapted to the shape of the airborne material storage box 5, so that when the position of the airborne material storage box 5 is restrained by the buffer spring 6, the airborne material storage box 5 can be positioned at the geometric center of the inner spherical shell; during landing, the air-dropping material storage box 5 is prevented from shaking too violently in the inner spherical shell due to impact load through the restraining action of the buffer spring 6.
As shown in the figure: the number and the shape of the inner buffering air bags 7 are designed and arranged according to the space shape between the airborne material storage box 5 and the inner spherical shell and the number of the buffering springs 6; in the embodiment, six inner buffer air bags 7 are arranged and distributed in a plurality of spaces which are divided by eight buffer springs 6 and are arranged between the airborne material storage box 5 and the inner spherical shell; the shape of each inner buffer air bag 7 is consistent with the shape of the space divided by the buffer spring 6, so that the airborne material storage box 5 can be wrapped; and two sides of the outer surface of each inner buffer air bag 7 are respectively provided with an inner buffer air bag inflation valve 8 and an inner buffer air bag exhaust valve 9.
As shown in the figure: eight assembling grooves 18 with quadrangular sections are symmetrically arranged on the outer surface of the inner spherical shell and the inner surface of the outer spherical shell, the assembling grooves 18 on the inner spherical shell correspond to the assembling grooves 18 on the outer spherical shell one by one, and the centers of each pair of the assembling grooves 18 which correspond to each other are positioned on a straight line so as to install the folding buffer connecting piece 13; the sectional shape of the assembling groove 18 is the same as that of the three-dimensional buffer area 23 of the folding buffer connecting piece 13, and the assembling groove and the three-dimensional buffer area can be matched with each other; the eight folding buffer connecting pieces 13 are arranged in eight pairs of mutually corresponding assembling grooves 18 and are used for connecting the inner spherical shell and the outer spherical shell; the two outer buffer air bags 14 are respectively arranged in the space between the clamp key outer hemispherical shell 1 and the inner hemispherical shell and the space between the clamp slot outer hemispherical shell 2 and the inner hemispherical shell, and the shapes of the two outer buffer air bags are matched with the shape of the space between the clamp key outer hemispherical shell 1 and the clamp key inner hemispherical shell 10 and the shape of the space between the clamp slot outer hemispherical shell 2 and the clamp slot inner hemispherical shell 11 which are separated by the eight folding buffer connecting pieces 13; each outer buffer air bag 14 is provided with an outer buffer air bag inflation valve 19 and an outer buffer air bag exhaust valve 20.
As shown in the figure: the inner spherical shell consists of two hemispherical clamping key inner hemispherical shells 10 and a clamping groove inner hemispherical shell 11, and is assembled together through an inner spherical shell clamping structure 12; the inner spherical shell clamping structure 12 consists of an inner spherical shell clamping key 21 on the clamping key inner hemispherical shell 10 and an inner spherical shell clamping groove 22 on the clamping groove inner hemispherical shell 11; the outer spherical shell consists of two hemispherical clamping key outer hemispherical shells 1 and a clamping groove outer hemispherical shell 2, and is assembled together through an outer spherical shell clamping structure 15; the outer spherical shell clamping structure 15 is composed of an outer spherical shell clamping key 3 on the clamping key outer hemispherical shell 1 and an outer spherical shell clamping groove 4 on the clamping groove outer hemispherical shell 2.
As shown in the figure: the folding buffer connecting piece 13 consists of three-dimensional buffer areas 23 at two ends and a plurality of folding buffer areas 24 in the middle; the three-dimensional buffer area 23 is a thin-wall pipe with a quadrangular cross section; the folding buffer area 24 forms rotary folding concave angles 25 which are arranged circumferentially by crease lines and combining a rotary folding mode; the crease pattern on the folded cushioning connector 13 is shown in fig. 14, where the dashed lines represent valley creases 26 and the solid lines represent peak creases 27.
As shown in the figure, the working steps are as follows: firstly, in the process of carrying an object and landing in an air-landing manner, the outer spherical shell is impacted by the ground firstly and begins to deform, so that primary buffering is realized; step two, in the process of carrying the object and landing in the air, after the outer spherical shell deforms, the folding buffer connecting piece 13 arranged between the outer spherical shell and the inner spherical shell is compressed and starts to deform, so that secondary buffer is realized; step three, in the process of carrying the object and landing in the air, after the folding buffer connecting piece 13 deforms, the outer buffer air bag 14 arranged in the gap between the outer spherical shell and the inner spherical shell is compressed, when the internal pressure of the outer buffer air bag 14 is higher than the pressure setting threshold value of the exhaust valve 20 of the outer buffer air bag, the valve of the exhaust valve 20 of the outer buffer air bag is opened, the outer buffer air bag 14 exhausts air outwards and releases pressure, and three-level buffering is realized; step four, in the process of carrying the object and landing, after the folding buffer connecting piece 13 and the outer buffer air bag 14 are pressed and deformed, the inner spherical shell starts to deform, and four-stage buffering is realized; in the process of carrying the object and landing in the air, after the inner spherical shell deforms, the buffer spring 6 connecting the inner spherical shell and the air-falling material storage tank 5 begins to contract under the action of load, so that five-stage buffering is realized; step six, in the process of carrying the object and landing, after the inner spherical shell and the buffer spring 6 deform, the inner buffer air bag 7 arranged in the gap between the inner spherical shell and the landing material storage tank 5 is compressed, when the internal pressure of the inner buffer air bag 7 is higher than the pressure setting threshold value of the inner buffer air bag exhaust valve 9, the valve of the inner buffer air bag exhaust valve 9 is opened, the inner buffer air bag 7 exhausts and releases pressure outwards, and six-stage buffering is realized.
The multi-stage buffering method of the rigid-flexible coupled air-drop cargo combined buffering device can prevent air-drop materials from being seriously damaged and incapable of being normally used during landing, meanwhile, the buffering air bag is internally arranged to prevent the buffering air bag from being damaged and deflated, and the internal pressure of the buffering air bag can be prevented from being increased after the step-by-step buffering process of the inner spherical shell, the outer spherical shell, the folding buffering connecting piece and the buffering spring, so that the explosion of the buffering air bag can be prevented, and a better buffering effect can be achieved on the air-drop materials; simultaneously, spherical buffer can also adapt to diversified airborne topography and weather condition to strengthen airborne device's suitability when guaranteeing airborne goods and materials integrality.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A working method of a rigid-flexible coupled air-drop cargo combined buffer device comprises an air-drop cargo storage box, an inner buffer air bag, an inner spherical shell, an outer buffer air bag and an outer spherical shell; the air-falling material storage box, the inner buffering air bag, the inner spherical shell, the outer buffering air bag and the outer spherical shell are arranged in a mode of wrapping air-falling materials layer by layer from inside to outside; a plurality of connecting rings are uniformly arranged on the surface of the air-drop material storage box and the inner surface of the inner spherical shell; the connecting rings arranged on the airborne material storage box correspond to the connecting rings arranged on the inner surface of the inner spherical shell one to one; the airborne material storage box is connected with each pair of mutually corresponding connecting rings through a plurality of buffer springs to realize the connection with the inner spherical shell;
The inner buffering air bag is arranged in a gap between the air-drop material storage box and the inner spherical shell; the outer buffer air bag is arranged in a gap between the inner spherical shell and the outer spherical shell; a plurality of corresponding assembling grooves are uniformly arranged on the outer surface of the inner spherical shell and the inner surface of the outer spherical shell; each pair of the assembly grooves corresponding to each other is provided with a folding buffer connecting piece so as to connect the inner spherical shell and the outer spherical shell; the folding buffer connecting piece consists of three-dimensional buffer areas at two ends and a plurality of folding buffer areas in the middle; the three-dimensional buffer area is a thin-wall pipe with a polygonal section; the folding buffer area forms rotary folding concave angles which are arranged circumferentially by crease lines and combining a rotary folding mode;
the inner spherical shell consists of two hemispherical clamping key inner hemispherical shells and a clamping groove inner hemispherical shell and is assembled together through an inner spherical shell clamping structure; the inner spherical shell clamping structure consists of an inner spherical shell clamping key on a clamping key inner hemispherical shell and an inner spherical shell clamping groove on a clamping groove inner hemispherical shell; the outer spherical shell consists of two hemispherical clamping key outer hemispherical shells and a clamping groove outer hemispherical shell, and the two hemispherical clamping key outer hemispherical shells are assembled together through an outer spherical shell clamping structure; the outer spherical shell clamp and the structure consist of an outer spherical shell clamping key on a clamping key outer hemispherical shell and an outer spherical shell clamping groove on a clamping groove outer hemispherical shell;
The method is characterized in that: the working steps are as follows:
firstly, in the process of carrying an object and landing in an air-landing manner, the outer spherical shell is impacted by the ground firstly and begins to deform, so that primary buffering is realized;
step two, in the process of carrying the object and landing in the air, after the outer spherical shell is deformed, the folding buffer piece arranged between the outer spherical shell and the inner spherical shell is compressed and starts to deform, so that secondary buffering is realized;
step three, in the process of carrying the object and landing in the air, after the folding buffer connecting piece deforms, the outer buffer air bag arranged in the gap between the outer spherical shell and the inner spherical shell is compressed, when the internal pressure of the outer buffer air bag is higher than the pressure setting threshold value of the exhaust valve of the outer buffer air bag, the valve of the exhaust valve of the outer buffer air bag is opened, the outer buffer air bag exhausts air outwards to release pressure, and three-level buffering is realized;
in the process of carrying the object and landing in the air, after the folding buffer connecting piece and the outer buffer air bag are pressed and deformed, the inner spherical shell begins to deform, and four-stage buffering is realized;
in the process of carrying the object and landing in the air, after the inner spherical shell deforms, the buffer spring connecting the inner spherical shell and the air-falling material storage tank begins to contract under the action of load, so that five-stage buffering is realized;
And step six, in the process of carrying the object and landing, after the inner spherical shell and the buffer spring deform, the inner buffer air bag arranged in the gap between the inner spherical shell and the landing material storage box is compressed, when the internal pressure of the inner buffer air bag is higher than the pressure setting threshold value of the exhaust valve of the inner buffer air bag, the valve of the exhaust valve of the inner buffer air bag is opened, the inner buffer air bag exhausts air outwards to release pressure, and six-stage buffering is realized.
2. A rigid-flexible coupled combined buffer device for airborne cargo as defined in claim 1, wherein: the middle sections of the connecting rings of each pair corresponding to each other are on the same plane.
3. A rigid-flexible coupled combined buffer device for airborne cargo as defined in claim 1, wherein: the tail end of the buffer spring is provided with an arc-shaped tail hook.
4. A rigid-flexible coupled combined buffer device for airborne cargo as defined in claim 1, wherein: the number and the shape of the inner buffering air bags are matched with the space shape between the airborne material storage box and the inner spherical shell and the number of the connected buffering springs, and each inner buffering air bag is provided with an inner buffering air bag inflation valve and an inner buffering air bag exhaust valve.
5. A rigid-flexible coupled combined buffer device for airborne cargo as defined in claim 1, wherein: the centers of each pair of mutually corresponding assembling grooves are on the same straight line, and the sectional shapes of the assembling grooves are the same as that of the three-dimensional buffer area of the folding buffer connecting piece and can be mutually matched.
6. A rigid-flexible coupled combined buffer device for airborne cargo as defined in claim 1, wherein: the polygonal section of the three-dimensional buffer area is quadrilateral, pentagonal or hexagonal.
7. A rigid-flexible coupled combined buffer device for airborne cargo as defined in claim 1, wherein: folding concave angle's crease line is symmetrical structure on the folding buffer, comprises two right trapezoid and an isosceles triangle's shape, right trapezoid's minor face is the millet crease with the hypotenuse, right trapezoid's right angle limit, long limit and isosceles triangle's central line, base are peak crease.
8. A rigid-flexible coupled combined buffer device for airborne cargo as defined in claim 1, wherein: the rotating direction of the rotary folding concave angle of the folding buffer area is clockwise or anticlockwise.
9. A rigid-flexible coupled combined buffer device for airborne cargo as defined in claim 1, wherein: the outer buffer air bags are arranged in the clamp key outer hemispherical shell and the clamp groove outer hemispherical shell respectively, the shapes of the outer buffer air bags are matched with the space shapes between the outer hemispherical shell and the inner hemispherical shell and the number of the folding buffer connecting pieces, and each outer buffer air bag is provided with an outer buffer air bag inflation valve and an outer buffer air bag exhaust valve.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148240A (en) * | 2021-05-26 | 2021-07-23 | 吉林大学 | Multistage buffering planet detection landing device based on shape memory |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB937049A (en) * | 1960-10-07 | 1963-09-18 | Gq Parachute Comp Ltd | Improvements in shock-absorbing devices |
| CN101607591A (en) * | 2009-07-13 | 2009-12-23 | 刘敦钰 | Inflatable airplane body |
| CN101638076A (en) * | 2009-08-27 | 2010-02-03 | 王博 | Crease type crash energy absorption box |
| CN102717891A (en) * | 2012-07-05 | 2012-10-10 | 北京理工大学 | Anti-air dispersion overload buffering device suitable for micro detection robot |
| CN103587601A (en) * | 2013-11-12 | 2014-02-19 | 上海大学 | Long journey continuing wind power driven type spherical robot in polar region |
| US20150314142A1 (en) * | 2014-05-03 | 2015-11-05 | Feng Wang | Inflatable lifesaving device |
| CN106004745A (en) * | 2016-07-06 | 2016-10-12 | 大连理工大学 | Defect-resistant folding mark type energy absorption box |
| CN206552454U (en) * | 2017-02-28 | 2017-10-13 | 六盘水金玲籽农业科技发展有限公司 | A kind of tea caddy |
| CN107809098A (en) * | 2017-09-30 | 2018-03-16 | 武汉资联虹康科技股份有限公司 | A kind of cable protection sleeve pipe |
| CN107963220A (en) * | 2017-11-23 | 2018-04-27 | 北京天恒长鹰科技股份有限公司 | Landing protective device and put-on method |
| CN108327907A (en) * | 2018-04-23 | 2018-07-27 | 长沙理工大学 | A kind of working method of the airborne multi-stage gasbag collaboration buffer unit of equipment |
| CN108357684A (en) * | 2018-04-23 | 2018-08-03 | 长沙理工大学 | A kind of airborne occupant's multi-stage gasbag collaboration buffer armchair |
| CN108528296A (en) * | 2018-04-23 | 2018-09-14 | 长沙理工大学 | A kind of working method of airborne occupant's multi-stage gasbag collaboration buffer armchair |
| CN109665109A (en) * | 2018-12-20 | 2019-04-23 | 航天科工智能机器人有限责任公司 | The unmanned platform of the air-drop of automatic deploying and retracting umbrella cover |
| CN109850152A (en) * | 2019-03-12 | 2019-06-07 | 北京三快在线科技有限公司 | Goods loading device, cargo delivering method and the system of unmanned vehicle |
| CN209225391U (en) * | 2018-09-07 | 2019-08-09 | 广州市海高电子科技有限公司 | A kind of unmanned plane with antitheft retrieving system |
| CN210235338U (en) * | 2019-06-25 | 2020-04-03 | 绍兴空坚智能科技有限公司 | Unmanned aerial vehicle mounting buffer device |
| CN111114841A (en) * | 2018-10-30 | 2020-05-08 | 哈尔滨工业大学 | Asteroid surface attachment device based on airbag buffering-drilling anchoring |
-
2020
- 2020-07-20 CN CN202010696490.9A patent/CN111846232A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB937049A (en) * | 1960-10-07 | 1963-09-18 | Gq Parachute Comp Ltd | Improvements in shock-absorbing devices |
| CN101607591A (en) * | 2009-07-13 | 2009-12-23 | 刘敦钰 | Inflatable airplane body |
| CN101638076A (en) * | 2009-08-27 | 2010-02-03 | 王博 | Crease type crash energy absorption box |
| CN102717891A (en) * | 2012-07-05 | 2012-10-10 | 北京理工大学 | Anti-air dispersion overload buffering device suitable for micro detection robot |
| CN103587601A (en) * | 2013-11-12 | 2014-02-19 | 上海大学 | Long journey continuing wind power driven type spherical robot in polar region |
| US20150314142A1 (en) * | 2014-05-03 | 2015-11-05 | Feng Wang | Inflatable lifesaving device |
| CN106004745A (en) * | 2016-07-06 | 2016-10-12 | 大连理工大学 | Defect-resistant folding mark type energy absorption box |
| CN206552454U (en) * | 2017-02-28 | 2017-10-13 | 六盘水金玲籽农业科技发展有限公司 | A kind of tea caddy |
| CN107809098A (en) * | 2017-09-30 | 2018-03-16 | 武汉资联虹康科技股份有限公司 | A kind of cable protection sleeve pipe |
| CN107963220A (en) * | 2017-11-23 | 2018-04-27 | 北京天恒长鹰科技股份有限公司 | Landing protective device and put-on method |
| CN108327907A (en) * | 2018-04-23 | 2018-07-27 | 长沙理工大学 | A kind of working method of the airborne multi-stage gasbag collaboration buffer unit of equipment |
| CN108357684A (en) * | 2018-04-23 | 2018-08-03 | 长沙理工大学 | A kind of airborne occupant's multi-stage gasbag collaboration buffer armchair |
| CN108528296A (en) * | 2018-04-23 | 2018-09-14 | 长沙理工大学 | A kind of working method of airborne occupant's multi-stage gasbag collaboration buffer armchair |
| CN209225391U (en) * | 2018-09-07 | 2019-08-09 | 广州市海高电子科技有限公司 | A kind of unmanned plane with antitheft retrieving system |
| CN111114841A (en) * | 2018-10-30 | 2020-05-08 | 哈尔滨工业大学 | Asteroid surface attachment device based on airbag buffering-drilling anchoring |
| CN109665109A (en) * | 2018-12-20 | 2019-04-23 | 航天科工智能机器人有限责任公司 | The unmanned platform of the air-drop of automatic deploying and retracting umbrella cover |
| CN109850152A (en) * | 2019-03-12 | 2019-06-07 | 北京三快在线科技有限公司 | Goods loading device, cargo delivering method and the system of unmanned vehicle |
| CN210235338U (en) * | 2019-06-25 | 2020-04-03 | 绍兴空坚智能科技有限公司 | Unmanned aerial vehicle mounting buffer device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148240A (en) * | 2021-05-26 | 2021-07-23 | 吉林大学 | Multistage buffering planet detection landing device based on shape memory |
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