CN112572831A - Primary packaging device for sampling surface of small celestial body - Google Patents
Primary packaging device for sampling surface of small celestial body Download PDFInfo
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- CN112572831A CN112572831A CN202011602403.5A CN202011602403A CN112572831A CN 112572831 A CN112572831 A CN 112572831A CN 202011602403 A CN202011602403 A CN 202011602403A CN 112572831 A CN112572831 A CN 112572831A
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- 238000005070 sampling Methods 0.000 title claims abstract description 30
- 238000009516 primary packaging Methods 0.000 title claims abstract description 28
- 238000004806 packaging method and process Methods 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims 1
- 238000005538 encapsulation Methods 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
- B64G1/105—Space science
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
- B64G1/105—Space science
- B64G1/1064—Space science specifically adapted for interplanetary, solar or interstellar exploration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
Abstract
The invention provides a primary packaging device for sampling the surface of a small celestial body, which comprises a driving assembly, an upper shell, a lower shell, a container cavity and a packaging assembly, wherein the upper shell is connected to the container cavity through the lower shell, and the driving assembly is fixedly mounted on a driving mounting plate; the packaging assembly is arranged in the container cavity and comprises a first driven gear assembly and a second driven gear assembly, a first driven gear body of the first driven gear assembly is meshed with a first driving gear of the driving assembly, and a second driven gear body of the second driven gear assembly is meshed with a second driving gear of the driving assembly; the inner ring of the first driven gear body is fixedly connected with the first step of the lower shell; the inner ring of the second driven gear body is fixedly connected with the container cavity; the top of the container cavity is provided with a top cover. The invention realizes three states of sample collection, encapsulation and transfer by means of motor drive, utilizes less power sources, reduces power consumption and reliably transfers the sample into the return cabin.
Description
Technical Field
The invention belongs to the field of aerospace deep space exploration, and particularly relates to a primary packaging device for sampling the surface of a small celestial body.
Background
With the ever-expanding scope and scale of human space exploration, human activities are no longer limited to the earth and the space near the earth, but rather, the human activities are projected to a far-away deep space. On the basis, because a large amount of solar system evolution forming information and rich mineral substances are contained in the small celestial body, the small celestial body has extremely high scientific and economic values, can effectively detect the small celestial body, and can develop and utilize small celestial body resources. There are many ways to detect small celestial bodies, and sample collection is one of the important detection methods, and NASA, ESA and JAXA have all performed sample collection detection on small celestial bodies. At present, only Japanese falcon No. 1 which is in contact with a small celestial body and returns samples is successfully realized, and the sampling return of the minor planets in Rong river is realized by adopting a 'TAG' mode, namely after the minor planets in Rong river contact with a star watch, a metal bullet is launched to impact the star watch to splash fragments and dust, the splashed fragments are collected by a cover-shaped structure at the end part of a sampling device, a closed channel is formed between the fragments and a sample tank, and partial samples are ensured to enter the sample tank to finish the collection. However, as the cover-shaped structure is long in size, fragments are repeatedly collided in the channel after being splashed, energy is attenuated, and the final task collection amount is extremely small.
Patent CN106198094 describes a primary packaging device for lunar surface sampling, which is composed of a body, a sample container, a lofting funnel, a container cover packaging component, a driving mechanism and a container cover. The device can realize the spatial position switching between the lunar soil sample container cover and the lofting funnel, and is used for realizing the storage and automatic encapsulation of lunar soil samples. Patent CN201310520682.4 describes a multifunctional lunar surface sample collecting and packaging device, which is composed of a motor, a sampling device and a packaging component. The lunar soil is conveyed by a screw, and the sample is sealed and stored by a soft bag pull rope. The devices introduced by the two patents can not realize secondary sample conveying, and the primary packaging and the sample container are of an integrated structure and are not suitable for a small celestial body star-surface contact type sampling state.
Disclosure of Invention
In view of the above, the present invention is directed to a primary packaging device for sampling the surface of a small celestial body, which reliably transfers a sample to a primary packaging device in a return chamber.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a primary packaging hardware for small celestial surface sampling, characterized by: the container comprises a driving assembly, an upper shell, a lower shell, a container cavity and a packaging assembly, wherein the upper shell is connected to the container cavity through the lower shell, a driving mounting plate is arranged on one side of the upper shell, and the driving assembly is fixedly mounted on the driving mounting plate;
the packaging assembly is arranged in the container cavity and comprises a first driven gear assembly and a second driven gear assembly, a first driven gear body of the first driven gear assembly is meshed with a first driving gear of the driving assembly, and a second driven gear body of the second driven gear assembly is meshed with a second driving gear of the driving assembly; the inner ring of the first driven gear body is fixedly connected with the first step of the lower shell, so that the first driven gear assembly is connected with the lower shell; the inner ring of the second driven gear body is fixedly connected with the container cavity, so that the second driven gear assembly is connected with the container cavity; a top cover is arranged at the top of the container cavity, and the top cover and the container cavity form a sample packaging cavity; the top cover, the upper shell and the lower shell form a sample transfer cavity.
Further, drive assembly includes driving motor, the gear shaft, a driving gear, No. two driving gears and safety coupling, driving motor sets up the upper portion at the drive mounting panel, the gear shaft sets up in drive mounting panel lower part, driving motor's output is connected to the gear shaft, the gear shaft is from last to being equipped with a driving gear down in proper order, safety coupling and No. two driving gears, a driving gear is connected to the outer lane of installation shaft coupling, safety coupling's inner circle is connected to the gear shaft through the parallel key.
Furthermore, the first driven gear body and the second driven gear body are identical in structure, and angular contact ball bearings are arranged on the inner circumferential surfaces of the first driven gear body and the second driven gear body.
Furthermore, a driven gear subassembly includes a driven gear body, nut seat and screw rod, and wherein the nut seat includes nut collar, nut body, and nut body circumference surface is connected to the circumference internal surface of nut collar through a plurality of pillars, and nut collar fixed mounting is to a driven gear body upper surface, and the screw rod is mutually supported with the nut body.
Furthermore, a guide post is arranged in the upper shell and connected to the inner surface of the upper shell through a plurality of support columns, and a guide groove with a middle-shaped cross section is arranged in the guide post; the top of the screw is provided with a middle-shaped guide piece, the bottom of the screw is provided with a conical pressure door, and the guide piece is arranged in the guide groove, so that the linear movement of the screw in the vertical direction is realized.
Furthermore, No. two driven gear assembly include No. two driven gear bodies, push up the revolving door, end the revolving door, and the angular contact ball bearing of No. two driven gear body inner circles cup joints to the well upper portion of container cavity, and No. two driven gear bodies can rotate relative to the container cavity, and top revolving door fixed connection is to the upper surface of No. two driven gear bodies, and end revolving door fixed connection is to the lower surface of No. two driven gear bodies, and pushes up the revolving door and the end revolving door all can follow No. two driven gear bodies and rotate.
Furthermore, the center of the bottom of the container cavity is provided with a feeding channel, the feeding channel and the container cavity are integrally formed, the feeding channel is communicated with the inside and the outside of the container cavity, the bottom of the outer surface of the container cavity is provided with two air inlet pipes for secondary air inlet, and the two air inlet pipes are of a central symmetrical structure relative to the feeding channel.
Further, the inner diameter of the feed channel is smaller than the diameter of the large round end of the conical pressure gate.
Furthermore, two top cover windows are arranged on the surface of the top cover, the two top cover windows are symmetrical relative to the center of the top cover, and two top revolving door windows corresponding to the top cover windows are arranged at the top of the top revolving door; two sides of the bottom revolving door are respectively provided with a bottom revolving door window, the two bottom revolving door windows are symmetrical relative to the center of the bottom revolving door, and two sides of the container cavity are provided with cavity windows corresponding to the two bottom revolving door windows.
Further, a filter screen is arranged on the window of the cavity.
Compared with the prior art, the primary packaging device for sampling the surface of the small celestial body has the following advantages:
(1) the primary packaging device for sampling the surface of the small celestial body adopts a mode of combining a single motor with a safety coupling, realizes different combinations of opening and closing of the conical pressing door, the top revolving door and the bottom revolving door by means of driving of the single motor, realizes three states of sample collection, packaging and transfer, has less power source and reduces power consumption.
(2) According to the primary packaging device for sampling the surface of the small celestial body, the secondary air inlet is designed to tangentially enter air to form spiral air flow, and the sample conveying efficiency is improved.
(3) According to the primary packaging device for sampling the surface of the small celestial body, the conveying space can adapt to a sample with the size of 20mm, and the sample collecting inlet formed between the container cavity and the conical pressing door is in a labyrinth form, so that the sample cannot bounce after being blown into the container cavity by sample conveying airflow, and the subsequent collection of the sample is influenced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a primary packaging apparatus for sampling the surface of a small celestial body according to one embodiment of the present invention;
FIG. 2 is a bottom view of a primary packaging apparatus for sampling the surface of a small celestial object in accordance with one embodiment of the present invention;
FIG. 3 is a cross-sectional view of a primary packaging apparatus for small celestial surface sampling according to one embodiment of the present invention;
FIG. 4 is a schematic diagram of a primary packaging apparatus with an upper housing removed for sampling the surface of a small celestial body according to an embodiment of the present invention;
FIG. 5 is a schematic view of a second driven gear assembly according to an embodiment of the present invention;
FIG. 6 is a bottom view of the upper housing of an embodiment of the present invention;
FIG. 7 is a schematic view of a lower housing of an embodiment of the invention;
FIG. 8 is a schematic view of a container cavity according to an embodiment of the present invention;
FIG. 9 is a schematic view of a top swing door in accordance with an embodiment of the present invention;
FIG. 10 is a schematic view of a bottom-hinged door in accordance with an embodiment of the present invention;
FIG. 11 is a top view of an embodiment of the present invention.
Description of reference numerals:
1. a drive assembly; 11. a drive motor; 12. a gear shaft; 13. a first driving gear; 14. a second driving gear; 15. a safety coupling; 2. an upper housing; 21. a guide post; 22. a guide groove; 3. a lower housing; 4. a container cavity; 41. a feed channel; 42. a cavity window; 43. an air inlet pipe; 5. a package assembly; 6. a driven gear assembly; 61. a first driven gear body; 62. a nut seat; 621. a nut mounting ring; 622. a nut body; 63. a screw; 64. a guide piece; 65. a conical pressing door; 7. a second driven gear assembly; 71. a second driven gear body; 72. a top revolving door; 721. a top revolving door window; 73. a bottom swing door; 731. a bottom revolving door window; 8. a top cover; 81. a top cover window.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
A primary packaging device for sampling the surface of a small celestial body comprises a driving assembly 1, an upper shell 2, a lower shell 3, a container cavity 4 and a packaging assembly 5, wherein the upper shell 2 is connected to the container cavity 4 through the lower shell 3, a driving mounting plate is arranged on one side of the upper shell 2, and the driving assembly 1 is fixedly mounted on the driving mounting plate;
the packaging assembly 5 is arranged in the container cavity 4, wherein the packaging assembly 5 comprises a first driven gear assembly 6 and a second driven gear assembly 7, a first driven gear body 61 of the first driven gear assembly 6 is meshed with a first driving gear 13 of the driving assembly 1, and a second driven gear body 71 of the second driven gear assembly 7 is meshed with a second driving gear 14 of the driving assembly 1; the lower shell 3 is integrally in a step shape, the top of the lower shell 3 is provided with a first step, and the inner ring of the first driven gear body 61 is fixedly connected with the first step of the lower shell 3, so that the first driven gear assembly 6 is connected with the lower shell 3; the inner ring of the second driven gear body 71 is fixedly connected with the container cavity 4, so that the second driven gear assembly 7 is connected with the container cavity 4; a top cover 8 is arranged at the top of the container cavity 4, and the top cover 8 and the container cavity 4 form a sample packaging cavity; the top cover 8 forms a sample transfer chamber with the upper case 2 and the lower case 3.
The driving assembly 1 comprises a driving motor 11, a gear shaft 12, a first driving gear 13, a second driving gear 14 and a safety coupling 15, the driving motor 11 is arranged at the upper part of a driving mounting plate, the gear shaft 12 is arranged at the lower part of the driving mounting plate, the output end of the driving motor 11 is connected to the gear shaft 12, the gear shaft 12 is sequentially provided with the first driving gear 13, the safety coupling 15 and the second driving gear 14 from top to bottom, the first driving gear 13 is connected to the outer ring of the mounting coupling, the inner ring of the safety coupling 15 is connected to the gear shaft 12 through a flat key, and torque is; when the transmission torque is larger than the slipping torque of the safety coupling 15, the inner ring and the outer ring begin to slip, so that the rotation of the inner ring and the rotation of the outer ring are realized.
The first driven gear body 61 and the second driven gear body 71 are identical in structure, and angular contact ball bearings are arranged on the inner circumferential surfaces of the first driven gear body and the second driven gear body 71.
Driven gear assembly 6 includes a driven gear body 61, nut seat 62 and screw rod 63, and wherein nut seat 62 includes nut installation circle 621, nut body 622, and nut body 622 circumference surface is connected to the circumference internal surface of nut installation circle 621 through a plurality of pillars, and nut installation circle 621 fixed mounting is to a driven gear body 61 upper surface, and screw rod 63 and nut body 622 are mutually supported.
A guide post 21 is arranged in the upper shell 2, the guide post 21 is connected to the inner surface of the upper shell 2 through a plurality of support columns, and a guide groove 22 with a middle-shaped cross section is arranged in the guide post 21; the top of the screw 63 is provided with a middle-shaped guide sheet 64, the bottom of the screw 63 is provided with a conical pressure door 65, preferably, a corrugated pipe is arranged between the conical pressure door 65 and the top cover 8, the corrugated pipe can stretch along with the lifting of the screw 63, the screw 63 is protected, and a sample is prevented from entering the screw 63 to affect the work; the guide piece 64 is arranged in the guide groove 22, so that the screw 63 can linearly move in the vertical direction; meanwhile, the middle-shaped guide piece 64 moves up and down in the guide groove 22, and the screw 63 can be prevented from rotating.
The second driven gear assembly 7 comprises a second driven gear body 71, a top revolving door 72 and a bottom revolving door 73, an angular contact ball bearing of an inner ring of the second driven gear body 71 is sleeved on the middle upper part of the container cavity 4, the second driven gear body 71 can rotate relative to the container cavity 4, the top revolving door 72 is fixedly connected to the upper surface of the second driven gear body 71, the bottom revolving door 73 is fixedly connected to the lower surface of the second driven gear body 71, and the top revolving door 72 and the bottom revolving door 73 can both rotate along with the second driven gear body 71.
The central department in container cavity 4 bottom is equipped with feedstock channel 41, feedstock channel 41 and container cavity 4 are integrated into one piece, feedstock channel 41 communicates container cavity 4's inside and outside, container cavity 4 surface bottom is equipped with two intake pipes 43 that are used for the secondary to admit air, two intake pipes 43 are central symmetry structure for feedstock channel 41, utilize the secondary inlet port to design into the tangential and admit air, form the spiral air current, improve sample transport efficiency.
The inner diameter of the feeding channel 41 is smaller than the diameter of the large circular end of the conical pressure gate 65, so that the conical pressure gate 65 can be in contact with the feeding channel 41 to seal the feeding channel 41.
The surface of the top cover 8 is provided with two top cover windows 81, the two top cover windows 81 are symmetrical relative to the center of the top cover 8, and the top of the top revolving door 72 is provided with two top revolving door windows 721 corresponding to the top cover windows 81; two sides of the bottom rotating door 73 are respectively provided with a bottom rotating door window 731, the two bottom rotating door windows 731 are centrosymmetric relative to the bottom rotating door 73, and two sides of the container cavity 4 are provided with cavity windows 42 corresponding to the two bottom rotating door windows 731.
The cavity window 42 is provided with a filter screen with a micro particle size for exhausting sample conveying gas in the sample collection stage and filtering the sample in the container cavity 4.
Labyrinth seals and sealing rings are arranged between the container cavity 4 and the bottom rotating door 73, between the top cover 8 and the top rotating door 72, between the lower shell 3 and the top rotating door 72, between the upper shell 2 and the nut seat 62, and between the top cover 8 and the nut seat 62, so that samples can be prevented from entering electronic parts and damaging the parts to influence use.
The first embodiment is as follows: the state of the collection of the sample,
manually opening an air pump for delivering air to the air inlet pipe 43, enabling a sample to enter from the feeding channel 41 through air excitation, closing the air pump, enabling the conical pressure door 65 and the feeding channel 41 to be in a separated state, enabling the sample to enter the container cavity 4 through the rebound of the conical pressure door 65, and enabling the structure of the conical pressure door 65 to effectively rebound the sample; at this time, the top revolving door window 721 of the top revolving door 72 and the top cover window 81 of the top cover 8 are dislocated, and in a closed state, the bottom revolving door window 731 of the bottom revolving door 73 corresponds to the cavity window 42 of the container cavity 4, and in an open state, the sample-feeding gas is ensured to be discharged out of the container cavity 4;
example two: the state of the package of the sample is,
the manual driving motor 11 works to drive the first driving gear 13 and the second driving gear 14 to rotate, so as to respectively drive the first driven gear body 61 and the second driven gear body 71 to rotate,
respectively, the first driven gear body 61 drives the nut seat 62 to rotate, the screw 63 axially moves at the moment, and finally the movement of the conical pressure gate 65 is realized, the designed distance of the axial movement of the conical pressure gate 65 is 33mm, the lead of the screw 63 is 2mm, the number of rotation turns of the screw 63 is 16.5, and the conical pressure gate 65 finally contacts with the feeding channel 41 to realize the closing of the feeding channel 41;
respectively, the second driven gear body 71 drives the top revolving door 72 and the bottom revolving door 73 to rotate, the first driving gear 13 and the second driving gear 14 have the same number of teeth, the first driven gear body 61 and the second driven gear body 71 have the same number of teeth, and the number of rotation turns is the same, so that the states of the top revolving door 72 and the bottom revolving door 73 are unchanged, the top revolving door window 721 of the top revolving door 72 is still in a closed state, and the bottom revolving door window 731 of the bottom revolving door 73 is still in an open state;
example three: the state of the sample is transferred to the state,
on the basis of the second embodiment, the driving motor 11 is manually controlled to continue to drive the first driving gear 13 to rotate, since the conical pressure gate 65 is closed and reaches the limit position, the resistance moment of the first driving gear 13 rises sharply, when the slip torque exceeds the slip torque of the safety coupling 15, the first driving gear 13 stops rotating, but the gear shaft 12 continues to drive the second driving gear 14 to rotate, so that the top revolving door 72 and the bottom revolving door 73 continue to rotate, the number of the rotating turns is 0.25, and after the process is finished, the top revolving door window 721 of the top revolving door 72 is in the open state, the bottom revolving door window 731 of the bottom revolving door 73 is in the closed state, the air pump is opened, the air enters the container cavity 4 through the secondary blowing, under the influence of the spiral airflow, the sample enters the sample transfer cavity through the sample packaging cavity and finally enters the return cabin through the discharge channel of the upper shell 2, so that the sample transfer is completed;
example four: the device is restored to the initial state and,
on the basis of the third embodiment, the manual control driving motor 11 continues to work, the first driving gear 13 stops rotating, the second driving gear 14 continues rotating to drive the second driven gear body 71 to rotate, so as to drive the top revolving door 72 and the bottom revolving door 73 to continue rotating, the number of rotation turns is 0.25, after the process is finished, the top revolving door window 721 of the top revolving door 72 is in a closed state, the bottom revolving door window 731 of the bottom revolving door 73 is in an open state, the manual control driving motor 11 reversely drives the first driving gear 13 and the second driving gear 14 to rotate, the first driven gear body 61 and the second driven gear body 71 are ensured to reversely rotate for 16.5 turns, the tapered pressing door 65 rises to an original position, the states of the top revolving door window 721 of the top revolving door 72 and the bottom revolving door window 731 of the bottom revolving door 73 are unchanged, and the whole device returns to the original state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A primary packaging hardware for small celestial surface sampling, characterized by: the container comprises a driving assembly, an upper shell, a lower shell, a container cavity and a packaging assembly, wherein the upper shell is connected to the container cavity through the lower shell, a driving mounting plate is arranged on one side of the upper shell, and the driving assembly is fixedly mounted on the driving mounting plate;
the packaging assembly is arranged in the container cavity and comprises a first driven gear assembly and a second driven gear assembly, a first driven gear body of the first driven gear assembly is meshed with a first driving gear of the driving assembly, and a second driven gear body of the second driven gear assembly is meshed with a second driving gear of the driving assembly; the inner ring of the first driven gear body is fixedly connected with the first step of the lower shell, so that the first driven gear assembly is connected with the lower shell; the inner ring of the second driven gear body is fixedly connected with the container cavity, so that the second driven gear assembly is connected with the container cavity; a top cover is arranged at the top of the container cavity, and the top cover and the container cavity form a sample packaging cavity; the top cover, the upper shell and the lower shell form a sample transfer cavity.
2. The primary packaging device for small celestial surface sampling of claim 1, wherein: the driving assembly comprises a driving motor, a gear shaft, a driving gear, a second driving gear and a safety coupling, the driving motor is arranged on the upper portion of the driving mounting plate, the gear shaft is arranged on the lower portion of the driving mounting plate, the output end of the driving motor is connected to the gear shaft, the gear shaft is sequentially provided with the first driving gear, the safety coupling and the second driving gear from top to bottom, the first driving gear is connected to the outer ring of the mounting coupling, and the inner ring of the safety coupling is connected to the gear shaft through a flat key.
3. The primary packaging device for small celestial surface sampling of claim 1, wherein: no. one driven gear body and No. two driven gear body structures are the same, and the circumference internal surface of a driven gear body, No. two driven gear bodies all is equipped with angular contact ball bearing.
4. The primary packaging device for small celestial surface sampling of claim 1, wherein: a driven gear subassembly includes a driven gear body, nut seat and screw rod, and wherein the nut seat includes nut installation circle, nut body, and nut body circumference surface is connected to the circumference internal surface of nut installation circle through a plurality of pillars, and nut installation circle fixed mounting is to a driven gear body upper surface, and the screw rod is mutually supported with the nut body.
5. The primary packaging device for small celestial surface sampling of claim 4, wherein: a guide post is arranged in the upper shell and connected to the inner surface of the upper shell through a plurality of support columns, and a guide groove with a middle-shaped cross section is arranged in the guide post; the top of the screw is provided with a middle-shaped guide piece, the bottom of the screw is provided with a conical pressure door, and the guide piece is arranged in the guide groove, so that the linear movement of the screw in the vertical direction is realized.
6. The primary packaging device for small celestial surface sampling of claim 1, wherein: the second driven gear assembly comprises a second driven gear body, a top revolving door and a bottom revolving door, wherein an angular contact ball bearing of an inner ring of the second driven gear body is sleeved on the middle upper part of the container cavity, the second driven gear body can rotate relative to the container cavity, the top revolving door is fixedly connected to the upper surface of the second driven gear body, the bottom revolving door is fixedly connected to the lower surface of the second driven gear body, and the top revolving door and the bottom revolving door can rotate along with the second driven gear body.
7. The primary packaging device for small celestial surface sampling of claim 1, wherein: a discharging channel is arranged at the top of the upper shell; the central department of container cavity bottom is equipped with feedstock channel, and feedstock channel and container cavity be integrated into one piece, and feedstock channel intercommunication container cavity's inside and outside, container cavity surface bottom are equipped with two intake pipes that are used for the secondary to admit air, and two intake pipes are central symmetrical structure relative feedstock channel.
8. The primary packaging device for small celestial surface sampling of claim 7, wherein: the inner diameter of the feed channel is smaller than the diameter of the large round end of the conical pressure gate.
9. The primary packaging device for small celestial surface sampling of claim 6, wherein: the top cover surface is provided with two top cover windows which are symmetrical relative to the center of the top cover, and the top of the top revolving door is provided with two top revolving door windows corresponding to the top cover windows; two sides of the bottom revolving door are respectively provided with a bottom revolving door window, the two bottom revolving door windows are symmetrical relative to the center of the bottom revolving door, and two sides of the container cavity are provided with cavity windows corresponding to the two bottom revolving door windows.
10. The primary packaging device for small celestial surface sampling of claim 9, wherein: the cavity window is provided with a filter screen.
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| CN202011602403.5A CN112572831A (en) | 2020-12-29 | 2020-12-29 | Primary packaging device for sampling surface of small celestial body |
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| CN202011602403.5A CN112572831A (en) | 2020-12-29 | 2020-12-29 | Primary packaging device for sampling surface of small celestial body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484070A (en) * | 2021-06-29 | 2021-10-08 | 兰州空间技术物理研究所 | Extraterrestrial celestial body sampling sealed container |
| EP4105631A1 (en) * | 2021-06-14 | 2022-12-21 | The Hong Kong Polytechnic University | Regolith packaging system and container with lid |
-
2020
- 2020-12-29 CN CN202011602403.5A patent/CN112572831A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4105631A1 (en) * | 2021-06-14 | 2022-12-21 | The Hong Kong Polytechnic University | Regolith packaging system and container with lid |
| CN113484070A (en) * | 2021-06-29 | 2021-10-08 | 兰州空间技术物理研究所 | Extraterrestrial celestial body sampling sealed container |
| CN113484070B (en) * | 2021-06-29 | 2023-01-31 | 兰州空间技术物理研究所 | Extraterrestrial celestial body sampling sealed container |
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