CN107594949A - A kind of light composite material Space Experiments cabinet - Google Patents
A kind of light composite material Space Experiments cabinet Download PDFInfo
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- CN107594949A CN107594949A CN201711071292.8A CN201711071292A CN107594949A CN 107594949 A CN107594949 A CN 107594949A CN 201711071292 A CN201711071292 A CN 201711071292A CN 107594949 A CN107594949 A CN 107594949A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The present invention relates to a kind of light composite material Space Experiments cabinet, including cabinet, guide assembly and covering;Cabinet is sequentially connected and formed by first longitudinal direction support, the first horizontal support, second longitudinal direction support and the second horizontal support head and the tail, the side of cabinet is connected with backboard, the side of first horizontal support and the second horizontal support away from backboard is respectively connected with chute, and first longitudinal direction support and second longitudinal direction support are respectively connected with least one adaptor;Multiple guide assemblies are arranged on the inner side of the first horizontal support and the second horizontal support;Covering is arranged on the outer surface of cabinet.The present invention can substantially reduce the quality of cabinet from composite, improve the ratio of carrying and deadweight, effectively reduce vibratory response, and overall mechanical characteristic is obviously improved, and the precision instrument carried to inside plays bigger protective effect;Cabinet is applied to different types of guide assembly and load, Space Experiments cabinet main structure is disclosure satisfy that the demand of a variety of payload.
Description
Technical field
The present invention relates to space station scientific experiment carrier technique field, more particularly to a kind of light composite material Space Experiments
Cabinet.
Background technology
Correlative study about space station experiment cabinet, the country are still in the starting stage;Foreign countries, U.S. NASA have developed series
Experiment cabinet, and form international standard (International Standard Payload Rack, ISPR), it is European in addition
Space agency, Russia and Echinopanax japonicum also have developed the experiment cabinet of similar ISPR/ER series and installed in current international according to the standard
On space station.Such cabinet is independent machinery, a heat control system, can provide for a series of large-scale payload and connect accordingly
Mouthful, and support it to be tested space is sustainable.And part is independently-powered, the reality of thermal control performance itself possessing to some
Load is tested, then lacks corresponding research and introduces.
But about the research of Space Experiments cabinet, there is following the problem of should be noted:The carrying quality of part cabinet
Skewness, single quality of loads is overweight and the experiment arrangement of Life cycle and maintainable technology on-orbit are changed.
The content of the invention
The technical problems to be solved by the invention are in view of the shortcomings of the prior art, there is provided a kind of light composite material space
Experiment cabinet, to solve at least one of above-mentioned technical problem.
The technical scheme that the present invention solves above-mentioned technical problem is as follows:A kind of light composite material Space Experiments cabinet, including:
Cabinet, the cabinet are first by first longitudinal direction support, the first horizontal support, second longitudinal direction support and the second horizontal support
Tail is sequentially connected composition, and the side of the cabinet is connected with backboard, and first horizontal support and second horizontal support are remote
Side from the backboard is respectively connected with chute, and the first longitudinal direction support and the second longitudinal direction support are respectively connected with least one
Individual adaptor;
Guide assembly, multiple guide assemblies are arranged on the interior of first horizontal support and second horizontal support
Side;
Covering, the covering are arranged on the outer surface of the cabinet, and are connected by screw with the cabinet.
The beneficial effects of the invention are as follows:The present invention is by by first longitudinal direction support, the first horizontal support, second longitudinal direction support
The cabinet formed with the second horizontal support, takes into full account functional requirement, transmitting and the later maintenance of Space Experiments load, from multiple
Condensation material can substantially reduce the quality of cabinet, improve the ratio of carrying and deadweight, effectively reduce vibratory response, body force
Learn characteristic to be obviously improved, the precision instrument for carrying inside plays bigger protective effect;Cabinet is applied to inhomogeneity
The guide assembly and load of type, Space Experiments cabinet main structure is disclosure satisfy that the demand of a variety of payload, support that its is in-orbit
Reconstruct and change, accomplish maximization of the structure in space service life, while greatly reduce and design and develop, process and assemble and examination
The cost tested.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, first horizontal support includes:
Two horizontal main support rods, two horizontal main support rods be arranged in parallel, wherein a main support of transverse direction
The both ends of bar are respectively connected with the adaptor, and one end of another horizontal main support rod is connected with the adaptor;
Guide rail beam, it is described to lead between the more guide rail beams set two horizontal main support rods at equal intervals
Rail assembly is arranged on the guide rail beam.
Further, second horizontal support is identical with the first horizontal support structure.
Further, two horizontal main support rods are made of carbon fibre material.
Further, the horizontal main support rod is internally provided with embedded part, and the embedded part is glued with the horizontal main support rod
Assembling.
Further, the number of the adaptor is 6, close to two horizontal equal one end of main support rod that the backboard is set
Adaptor is connected with, adaptor is located at the outside of the first longitudinal direction support, the two main branch of transverse direction set away from the backboard
The equal both ends of strut are connected with adaptor, and two adaptors are located at the first longitudinal direction support and the second longitudinal direction branch respectively
The outside of frame.
Further, the first longitudinal direction support includes two longitudinal main support rods, and two longitudinal main support rods are parallel
Set, two described longitudinal main support rod one end are connected with first horizontal support, the other end and second horizontal support
Connection.
Further, the second longitudinal direction support is identical with the first longitudinal direction supporting structure.
Further, side of the cabinet away from the backboard is provided with more auxiliary support bars, the auxiliary support bar
The horizontal support of one end and first horizontal support/second be connected, the other end and the first longitudinal direction support/second longitudinal direction branch
Frame connects.
Further, intermediate lateral support, the intermediate support and first horizontal support are additionally provided with the cabinet
It is be arranged in parallel with the second horizontal support, the both sides of the intermediate lateral support are provided with guide assembly.
Brief description of the drawings
Fig. 1 is a kind of three-dimensional structure diagram of Space Experiments cabinet of the present invention;
Fig. 2 is another three-dimensional structure diagram of Space Experiments cabinet of the present invention;
Fig. 3 is the three-dimensional structure diagram of the Space Experiments cabinet of the embodiment of the present invention 1;
Fig. 4 is the three-dimensional structure diagram of the Space Experiments cabinet of the embodiment of the present invention 2;
Fig. 5 is the three-dimensional structure diagram of the Space Experiments cabinet of the embodiment of the present invention 3.
In accompanying drawing, the list of parts representated by each label is as follows:
1st, cabinet;11st, first longitudinal direction support;111st, longitudinal main support rod;112nd, transverse support bar;12nd, first laterally prop up
Frame;121st, horizontal main support rod;122nd, guide rail beam;13rd, second longitudinal direction support;14th, the second horizontal support;15th, backboard;2nd, lead
Rail assembly;3rd, covering;4th, chute;5th, adaptor;6th, auxiliary support bar;7th, cabinet door.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As Figure 1-5, a kind of light composite material Space Experiments cabinet of the invention, including cabinet 1, the and of guide assembly 2
Covering 3.Specifically, the cabinet 1 is horizontal by first longitudinal direction support 11, the first horizontal support 12, second longitudinal direction support 13 and second
Composition is sequentially connected to the head and the tail of support 14, and the side of the cabinet 1 is connected with backboard 15, first horizontal support 12 and described
Side of second horizontal support 14 away from the backboard 15 is respectively connected with chute 4, the first longitudinal direction support 11 and described second
Longitudinal carrier 13 is respectively connected with least one adaptor 5;Multiple guide assemblies 2 are arranged on the He of the first horizontal support 12
The inner side of second horizontal support 14;The covering 3 is arranged on the outer surface of the cabinet 1, and by screw with it is described
Cabinet 1 connects.
Relative to existing Space Experiments cabinet, the present invention is by by first longitudinal direction support 11, the first horizontal support 12, second
The horizontal support 14 of longitudinal carrier 13 and second form cabinet 1, take into full account Space Experiments load functional requirement, transmitting and after
Phase is safeguarded, the quality of cabinet 1 can be substantially reduced from composite, is improved the ratio of carrying and deadweight, is effectively reduced
Vibratory response, overall mechanical characteristic are obviously improved, and the precision instrument carried to inside plays bigger protective effect;Cabinet
Body 1 is applied to different types of guide assembly 2 and load, Space Experiments cabinet main structure is disclosure satisfy that the need of a variety of payload
Ask, support its in-orbit reconstruct and replacing, accomplish maximization of the structure in space service life, while greatly reduce design and open
Hair, process and assemble and the cost of experiment.
In addition, it is contemplated that material molding machine technological development in recent years is rapid, set to Space Experiments cabinet main structure
Timing, the similar satellite supporting construction of analogy feature are most of to employ carbon fibre composite so that its structure is whole
Mass ratio is remarkably decreased in body product.The configuration of the structure of cabinet 1 meets the needs of a variety of Space Experiments load, is provided for it
Up support, the function of in-orbit dismounting.Using it is this it is light-weighted meet material, the quality of the main structure of cabinet 1 100kg with
Under, carrying and this body mass ratio and mechanical characteristic are obviously improved.
Second horizontal support 14 of the present invention is identical with the structure of the first horizontal support 12.Specifically, described
One horizontal support 12 includes two horizontal main support rods 121 and guide rail beam 122.Wherein, described two horizontal main support rods 121
It is arranged in parallel, wherein the both ends of a horizontal main support rod 121 are respectively connected with the adaptor 5, another transverse direction
One end of main support rod 121 is connected with the adaptor 5;The more guide rail beams 122 set two horizontal strokes at equal intervals
To between main support rod 121, the guide assembly 2 is arranged on the guide rail beam 122.Two horizontal main support rods
121 are made of carbon fibre material, can effectively mitigate overall structure quality.Horizontal main support rod 121 utilizes silica gel mould
Shaping, in production, to pass through test of flaw detection, and then carry out the assembling of cabinet 1.So, more rod member assemblings are avoided to introduce
Rigging error, add the assembly precision of whole Space Experiments cabinet cabinet 1.The horizontal main support rod 121 is internally provided with
Embedded part, the embedded part is glued with the horizontal main support rod 121 to be assembled.Meanwhile embedded part selects metal material or nonmetallic materials
It is process, to increase the structural strength of horizontal main support rod 121, adapts it to heavy weight load and application environment.
The second longitudinal direction support 13 of the present invention is identical with the structure of first longitudinal direction support 11.The first longitudinal direction branch
Frame 11 includes two longitudinal main support rods 111, and two longitudinal main support rods 111 be arranged in parallel, two main branch in longitudinal direction
The one end of strut 111 is connected with first horizontal support 12, and the other end is connected with second horizontal support 14.The main support in longitudinal direction
The support of bar 111 can set transverse support bar 112 to increase its structural strength, ensure that first longitudinal direction support 11 and second longitudinal direction
The structural strength and stability of support 13.
Space Experiments cabinet in the present invention, covering 3 can be set in other faces in addition to preceding surface, it is steady to increase its structure
Qualitative, covering 3 is connected by screw with the structure of cabinet 1, and sets maintenance window, is easy to the in-orbit operation of spacefarer.With backboard
15 relative sides are provided with cabinet door 7, to ensure its globality.
As Figure 1-5, the number of the adaptor 5 is 6, the two main supports of transverse direction set close to the backboard 15
121 equal one end of bar is connected with adaptor 5, and adaptor 5 is located at the outside of the first longitudinal direction support 11, is set away from the backboard 15
The two horizontal 121 equal both ends of main support rod put are connected with adaptor 5, and two adaptors 5 are vertical positioned at described first respectively
To the outside of support 11 and the second longitudinal direction support 13.The adaptor 5 is integrally formed with rod member.In the transverse direction master of main structure
It is then that column, crossbeam and the above is more logical using three-way connection and four-way connection as connector at the node of support bar 121
Connector curing molding, guide assembly 2 are arranged in guide rail beam 122 and posterior transversal main support beam.
Meanwhile among a specific embodiment, multiple load drawers are provided with cabinet 1, are set on load drawer
1-2 groups guide assembly 2 is put, is consolidated before and after load drawer with the main frame of cabinet 1, guarantee meets up mechanical condition.It is non-
Mark load is mountable to backboard 15, and Idiotype load can set horizontal auxiliary support bar 6 on guide rail beam 122, in joint
Adaptor 5 is set to be attached.
The present invention is adapts to different load load-bearing, the Space Experiments cabinet for mainly having three kinds of different structures.Respectively:Cabinet
1 weight is no more than 400kg heavily loaded rack in more than 100kg, load-bearing;The weight of cabinet 1 is no more than in more than 60kg, load-bearing
300kg semi-load rack;The weight of cabinet 1 is no more than 50kg unloaded rack in more than 40kg, load-bearing.Specifically, such as following realities
Apply a 1-3:
Embodiment 1
A kind of as shown in figure 3, heavily loaded Space Experiments cabinet of the present embodiment.First horizontal support 12 includes two transverse directions
Main support rod 121 and guide rail beam 122.Wherein, described two horizontal main support rods 121 be arranged in parallel, wherein a horizontal stroke
The adaptor 5 is respectively connected with to the both ends of main support rod 121, one end of another horizontal main support rod 121 is connected with
The adaptor 5;It is described to lead between the more guide rail beams 122 set two horizontal main support rods 121 at equal intervals
Rail assembly 2 is arranged on the guide rail beam 122.The two horizontal 121 equal both ends of main support rod set away from the backboard 15
It is connected with adaptor 5, two adaptors 5 are respectively positioned at the first longitudinal direction support 11 and the second longitudinal direction support 13
Outside.The adaptor 5 is integrally formed with rod member.
To meet the bearing capacity of heavily loaded Space Experiments cabinet, intermediate lateral support is additionally provided with the cabinet 1, in described
Between support be arranged in parallel with the horizontal support 14 of the first horizontal support 12 and second, the both sides of the intermediate lateral support are all provided with
It is equipped with guide assembly 2.That is, in heavily loaded rack, horizontal 121,4 horizontal strokes of main support rod of 6 adaptors 5,6 are provided with
To support bar 112,4 longitudinal main support rods 111, multiple guide rail beams 122.Meanwhile the backboard 15 of heavily loaded Space Experiments cabinet is adopted
To increase the rigidity of structure, and it is that it is pre-buried that perforate is subsequently used for electric connector with offer mounting interface again with cellular board.
In a specific Space Experiments cabinet, its actual weight of cabinet 1 is in 80kg or so, when carrying 400kg load, its
Mechanical test result meets the up mechanical condition of carrying platform, and has larger optimization space.This rack backboard 15 is cellular board
Form, it is subsequently that perforate is pre-buried for electric connector, flexible adaption function can be also adapted as according to above-mentioned design rack
The form of metal guide rail component 2, dismountable covering 3 carries out loss of weight when load-carrying is smaller.
Embodiment 2
A kind of as shown in figure 4, semi-load Space Experiments cabinet of the present embodiment.In the present embodiment, the cabinet 1 is away from the back of the body
The side of plate 15 is provided with more auxiliary support bars 6, one end of the auxiliary support bar 6 and first horizontal support 12/ the
Two horizontal supports 14 are connected, and the other end is connected with the second longitudinal direction support 13 of first longitudinal direction support 11/.That is, four are provided with altogether
Root auxiliary support bar 6, to enhancing structure intensity and overall stability.That is, in heavily loaded rack, 6 are provided with
Adaptor 5,4 horizontal main support rod 121,4 transverse support bar 112,4 longitudinal main support rod 111, multiple guide rail beams
122。
Embodiment 3
A kind of as shown in figure 5, empty space experiment cabinet of the present embodiment.In the present embodiment, the cabinet 1 is away from the back of the body
The side of plate 15 is provided with more auxiliary support bars 6, one end of the auxiliary support bar 6 and first horizontal support 12/ the
Two horizontal supports 14 are connected, and the other end is connected with the second longitudinal direction support 13 of first longitudinal direction support 11/.That is, four are provided with altogether
Root auxiliary support bar 6, to enhancing structure intensity and overall stability.Meanwhile the backboard 15 of empty space experiment cabinet uses
Cellular board, to increase the rigidity of structure, and for offer mounting interface, it is pre-buried that perforate subsequently is used for into electric connector again.Carrying
When weight is smaller, it can suitably remove covering 3 and carry out loss of weight.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
- A kind of 1. light composite material Space Experiments cabinet, it is characterised in that including:Cabinet (1), the cabinet (1) by first longitudinal direction support (11), the first horizontal support (12), second longitudinal direction support (13) and Second horizontal support (14) is sequentially connected composition from beginning to end, and the side of the cabinet (1) is connected with backboard (15), and described first laterally The side of support (12) and second horizontal support (14) away from the backboard (15) is respectively connected with chute (4), and described first Longitudinal carrier (11) and the second longitudinal direction support (13) are respectively connected with least one adaptor (5);Guide assembly (2), multiple guide assemblies (2) are arranged on first horizontal support (12) and described second and laterally propped up The inner side of frame (14);Covering (3), the covering (3) are arranged on the outer surface of the cabinet (1), and by screw and the cabinet (1) even Connect.
- 2. a kind of light composite material Space Experiments cabinet according to claim 1, it is characterised in that described first laterally props up Frame (12) includes:Two horizontal main support rods (121), two horizontal main support rods (121) be arranged in parallel, wherein a transverse direction The both ends of main support rod (121) are respectively connected with the adaptor (5), and one end of another horizontal main support rod (121) connects It is connected to the adaptor (5);Guide rail beam (122), the more guide rail beams (122) set two horizontal main support rods (121) at equal intervals Between, the guide assembly (2) is arranged on the guide rail beam (122).
- 3. a kind of light composite material Space Experiments cabinet according to claim 2, it is characterised in that described second laterally props up Frame (14) is identical with the first horizontal support (12) structure.
- 4. a kind of light composite material Space Experiments cabinet according to claim 2, it is characterised in that two described laterally main Support bar (121) is made of carbon fibre material.
- A kind of 5. light composite material Space Experiments cabinet according to claim 4, it is characterised in that the main support of transverse direction Bar (121) is internally provided with embedded part, and the embedded part is glued with the horizontal main support rod (121) to be assembled.
- A kind of 6. light composite material Space Experiments cabinet according to claim 2, it is characterised in that the adaptor (5) Number be 6, close to the backboard (15) set two horizontal main support rods (121) one end be connected with adaptor (5), Adaptor (5) is located at the outside of the first longitudinal direction support (11), the two main supports of transverse direction set away from the backboard (15) Bar (121) both ends are connected with adaptor (5), two adaptors (5) respectively positioned at the first longitudinal direction support (11) and The outside of the second longitudinal direction support (13).
- A kind of 7. light composite material Space Experiments cabinet according to claim 1, it is characterised in that the first longitudinal direction branch Frame (11) includes two longitudinal main support rods (111), and two longitudinal main support rods (111) be arranged in parallel, and two described vertical It is connected to main support rod (111) one end with first horizontal support (12), the other end connects with second horizontal support (14) Connect.
- A kind of 8. light composite material Space Experiments cabinet according to claim 7, it is characterised in that the second longitudinal direction branch Frame (13) is identical with first longitudinal direction support (11) structure.
- 9. a kind of light composite material Space Experiments cabinet according to claim 1, it is characterised in that the cabinet (1) is remote Side from the backboard (15) is provided with more auxiliary support bars (6), one end and described first of the auxiliary support bar (6) Horizontal support (12)/second horizontal support (14) connects, the other end and first longitudinal direction support (the 11)/second longitudinal direction support (13) connect.
- 10. a kind of light composite material Space Experiments cabinet according to claim 1, it is characterised in that in the cabinet (1) Intermediate lateral support is additionally provided with, the intermediate support is parallel with first horizontal support (12) and the second horizontal support (14) Set, the both sides of the intermediate lateral support are provided with guide assembly (2).
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CN201711071292.8A CN107594949A (en) | 2017-11-03 | 2017-11-03 | A kind of light composite material Space Experiments cabinet |
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CN201711071292.8A CN107594949A (en) | 2017-11-03 | 2017-11-03 | A kind of light composite material Space Experiments cabinet |
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CN108100309A (en) * | 2018-02-06 | 2018-06-01 | 北京天宫空间应用技术有限公司 | It is a kind of that there is the light-duty guide assembly of snap-fit |
CN109307492A (en) * | 2018-12-11 | 2019-02-05 | 中国科学院沈阳自动化研究所 | A kind of space station scientific experiment cupboards fitted position detecting tool |
CN109730462A (en) * | 2019-02-18 | 2019-05-10 | 西安永固铁路器材有限公司 | A kind of highly sensitive handling of goods and materials cabinet for concentrating weighing to count |
CN116022365A (en) * | 2022-12-30 | 2023-04-28 | 中国科学院空间应用工程与技术中心 | Online cabinet of non-backboard profiling structure |
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韩海鹰等: "抽屉式标准机柜换热性能仿真及设计", 《宇航学报》, pages 1 * |
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CN108100309A (en) * | 2018-02-06 | 2018-06-01 | 北京天宫空间应用技术有限公司 | It is a kind of that there is the light-duty guide assembly of snap-fit |
CN109307492A (en) * | 2018-12-11 | 2019-02-05 | 中国科学院沈阳自动化研究所 | A kind of space station scientific experiment cupboards fitted position detecting tool |
CN109730462A (en) * | 2019-02-18 | 2019-05-10 | 西安永固铁路器材有限公司 | A kind of highly sensitive handling of goods and materials cabinet for concentrating weighing to count |
CN109730462B (en) * | 2019-02-18 | 2024-03-22 | 西安永固智能装备有限公司 | High-sensitivity centralized weighing and counting material management cabinet |
CN116022365A (en) * | 2022-12-30 | 2023-04-28 | 中国科学院空间应用工程与技术中心 | Online cabinet of non-backboard profiling structure |
CN116022365B (en) * | 2022-12-30 | 2023-11-03 | 中国科学院空间应用工程与技术中心 | Online cabinet of non-backboard profiling structure |
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