CN109323077A - It is a kind of can in-orbit rapid-maintenance sealing denoising structure - Google Patents
It is a kind of can in-orbit rapid-maintenance sealing denoising structure Download PDFInfo
- Publication number
- CN109323077A CN109323077A CN201811303354.8A CN201811303354A CN109323077A CN 109323077 A CN109323077 A CN 109323077A CN 201811303354 A CN201811303354 A CN 201811303354A CN 109323077 A CN109323077 A CN 109323077A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- sealing
- deep gouge
- sealing structure
- cover board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 77
- 238000012423 maintenance Methods 0.000 title claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 239000011358 absorbing material Substances 0.000 claims description 13
- 239000004677 Nylon Substances 0.000 claims description 12
- 229920001778 nylon Polymers 0.000 claims description 12
- 229920004933 Terylene® Polymers 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 9
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 2
- -1 clad Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 229920000877 Melamine resin Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003734 kidney Anatomy 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- NOKUWSXLHXMAOM-UHFFFAOYSA-N hydroxy(phenyl)silicon Chemical compound O[Si]C1=CC=CC=C1 NOKUWSXLHXMAOM-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
Abstract
The present invention relates to it is a kind of can in-orbit rapid-maintenance sealing denoising structure, comprising: cabinet, top cover, sealing structure；The cabinet is the cube of roof opening, and inside is for placing the equipment to sound insulation and noise reduction；The wall box is towards being provided with deep gouge on the end face of roof；The sealing structure is that section is U-shaped elastic component, the deep gouge of the sealing structure and the wall box cooperates, the sealing structure is placed in the deep gouge of the wall box, the U-shaped opening of the sealing structure is fixedly connected with the deep gouge that cabinet is placed with the sealing structure by fastener towards the side high towards cabinet external and internal pressure, the top cover.The present invention, which seals denoising structure, can reduce box house equipment noise to 60dB, seal air leakage and be not more than 1L/min, have the function of good load performance, good seal performance, can noise reduction and it is convenient for disassembly and assembly can rapid-maintenance, can guarantee the in-orbit normal work of astronaut.
Description
Technical field
The present invention relates to it is a kind of can in-orbit rapid-maintenance sealing denoising structure, belong to environmental control and life support technology
Field.
Background technique
Sealing noise reduction cabinet is the important component of air pipeline in the environmental control and life support system of space station, main
Effect is to stablize air pipeline internal gas flow state, need to have good sealing performance, while reducing and being installed on box house
The noise that equipment generates, in addition to this cabinet also needs have in-orbit fast assembling-disassembling function, occupies in manned space flight field important
Status, while the military industry field and civil field that need to be provided simultaneously with sealing and decrease of noise functions at other equally have widely
Application prospect.
With the development of controlled renewable environmental control and life support technology, the importance of ventilating system increasingly by
Concern, and the requirement of the sealing anti-acoustic capability of ventilating system is higher and higher, existing most of denoising device only has single drop
Performance, the noise reduction capability of making an uproar are limited, no sealability, while can not solve the need of space-orbit manned space flight task rapid-maintenance
It asks.
Summary of the invention
Technology of the invention solves the problems, such as: can not meet sound-absorbing, noise reduction, rapid-maintenance simultaneously for the prior art and ask
Topic, proposes a kind of sealing denoising device, the U-shaped sealing structure of optimization design and sound-absorbing material, reduces the complexity of device, mention
The high removable property of device, can provide support to have the cabinet design of sealing decrease of noise functions.
The technical scheme is that
It is a kind of can in-orbit rapid-maintenance sealing denoising structure, comprising: top cover, cabinet, sealing structure, soundproofing member, card
Bind round component；
The cabinet is the cube of roof opening, and inside is for placing the equipment to sound insulation and noise reduction；
The wall box is towards being provided with deep gouge on the end face of roof；
The sealing structure is that section is U-shaped elastic component, and the sealing structure and the deep gouge of the wall box are matched
It closes, the sealing structure is placed in the deep gouge of the wall box, and the U-shaped opening of the sealing structure is towards described towards case
The internal high side of external pressure, the top cover are fixedly connected with the deep gouge by fastener.
Cabinet deep gouge bottom is equidistantly provided with threaded hole, and the top cover is provided with cabinet deep gouge threaded hole corresponding position
Through-hole, the top cover are fixedly connected with the deep gouge that cabinet is placed with the sealing structure by screw, and the sealing structure is made
Outer surface is under pressure.
The depth of the deep gouge is H, and width B meets following relationship:
5%≤(H-h)/H≤20%,
65%≤{ H × B- [2a × c+ (h-2c) × b] }/(H × B)≤85%,
Wherein, a is the height in the U-shaped section of the sealing structure, and b is the height on the U-shaped section bottom edge of the sealing structure
Degree, c are the thickness of the U-shaped section free end of the sealing structure, and h is the overall width in the U-shaped section of the sealing structure.
The soundproofing member includes sound-absorbing material, clad, pastes component；
The sound-absorbing material outer surface is enclosed with clad, and the sound-absorbing material is fixed on the cabinet by pasting component
Inner wall.
The appearance roll cover of the soundproofing member towards cabinet wall side uses terylene silk fabric, remaining appearance of soundproofing member
The clad in face is using bright and beautiful silk.
The soundproofing member further includes reinforcing bandage；
The reinforcement bandage is sewed by multilayer terylene silk fabric, the one side for reinforcing bandage and the suction for being enclosed with clad
Sound material is fixed, and the another side for reinforcing bandage is fixed on the inner wall for being fixed on the cabinet by pasting component.
The stickup component includes nylon hook band and nylon velvet band, and the nylon velvet band is fixed with the reinforcement bandage, institute
It states nylon hook band and the inner wall of the cabinet is fixed.
It is outer that the cable that the hoop component is used to that the box house to be made to wait for sound insulation and noise reduction equipment passes through cabinet connection
Portion's equipment, and fix the cable with the box sealing.
The cabinet includes the first side plate, the second side plate, the first cover board, the second cover board, bottom plate；
First side plate, the second side plate, the second cover board, is successively spliced into tubular structure, the tubular knot at the first cover board
The fixed bottom plate in one end face of structure, the fixed top cover in another end face of the tubular structure；
First side plate, the second side plate four edges be provided with deep gouge, first cover board and the second cover board have
Two edges are provided with deep gouge；Two edges that first cover board is provided with deep gouge are opposite, are respectively used to fix the bottom plate and top
Lid；Two edges that second cover board is provided with deep gouge are opposite, are respectively used to fix the bottom plate and top cover；It is put in the deep gouge
It is equipped with the sealing structure.
Compared with the prior art, the invention has the advantages that:
1) cabinet of the present invention is spliced two-by-two using force bearing plate, and the structure of two opposite side walls is identical, the structure of two adjacent walls
It is different, it is only necessary to the transversely or longitudinally size fit on a direction reduces deviation accumulation caused by cabinet successively splices,
Reduce element precision requirement and the assembly difficulty of cabinet；
2) present invention is assemblied in the sealing means of U-shaped deep gouge using U-shaped sealing structure, effectively reduces light weight Low rigidity plate
Pressing force is sealed, the deformation of cabinet is reduced on the basis of guaranteeing sealability；
3) present invention coats melamine foam sound-absorbing material using bright and beautiful silk, sews load-carrying surface using terylene silk fabric and reinforces tying up
Band ensure that the integrality and load performance of sound-absorbing material；
4) present invention wears case for cable, including can quick clamping hoop component, pass through screw force and realize rapid card
Tightly, in clamping position surface mount seal gasket, realize that the protection to cable seals.
Detailed description of the invention
Fig. 1 is apparatus of the present invention structure chart；
Fig. 2 is the first covering plate structure figure of the invention；
Fig. 3 is the first lateral plate structure figure of the invention；
Fig. 4 is sealing structure partial structural diagram of the present invention；
Fig. 5 is soundproofing member structure chart of the present invention；
Fig. 6 is hoop component structure chart of the present invention；
Fig. 7 is apparatus of the present invention partial schematic diagram.
Specific embodiment
The invention proposes a kind of sealing noise reduction cabinet 2, the sealing of sealing structure 3 assembled by force bearing plate optimization, U-shaped is inhaled
Sound material reinforcement, the quick clamping crossing cabin cable of hoop component 4 and encapsulation process, ensure that sealing 2 sealing of noise reduction cabinet, noise reduction,
Maintainable integration requirement.
It is a kind of can in-orbit rapid-maintenance sealing denoising structure, comprising: top cover 1, cabinet 2, sealing structure 3, soundproofing member
5, hoop component 4；
Cabinet 2 is the cube of roof opening, and inside is for placing the equipment to sound insulation and noise reduction；
2 side wall of cabinet is towards being provided with deep gouge on the end face of roof；
It is U-shaped elastic component that the sealing structure 3, which is section, the deep gouge of the sealing structure 3 and 2 side wall of cabinet
Cooperation, the sealing structure 3 are placed in the deep gouge of 2 side wall of cabinet, and the U-shaped opening of the sealing structure 3 is described in
The side high towards 2 external and internal pressure of cabinet, the deep gouge that the top cover 1 is placed with the sealing structure 3 with cabinet 2 pass through fastener
It is fixedly connected.The top cover 1 is fixedly connected with the deep gouge that cabinet 2 is placed with the sealing structure 3 by fastener, specifically:
The 2 deep gouge bottom of cabinet is equidistantly provided with threaded hole, and the top cover 1 is provided with through-hole with 2 deep gouge threaded hole corresponding position of cabinet,
The top cover 1 is fixedly connected with the deep gouge that cabinet 2 is placed with the sealing structure 3 by screw, and the outer of the sealing structure 3 is made
Surface is under pressure, as shown in Figure 7.
The depth of deep gouge is H, and width B meets following relationship:
5%≤(H-h)/H≤20%,
65%≤{ H × B- [2a × c+ (h-2c) × b] }/(H × B)≤85%,
Wherein, the U-shaped section bottom edge that a is the height in the U-shaped section of the sealing structure 3, b is the sealing structure 3
Highly, c is the overall width in the U-shaped section that thickness, the h of the U-shaped section free end of the sealing structure 3 are the sealing structure 3,
Sealing effect is good.As shown in figure 4, simultaneously, 0≤(c-b)/c≤25%.The angular configurations range of θ is 90 °~115 °.
Soundproofing member 5 is as shown in figure 5, including sound-absorbing material, clad, pasting component, reinforce bandage；
The sound-absorbing material outer surface is enclosed with clad, and the sound-absorbing material is fixed on the cabinet by pasting component
2 inner wall.Soundproofing member 5 towards the inner wall side of cabinet 2 appearance roll cover use terylene silk fabric, soundproofing member 5 its besides
The clad on surface is using bright and beautiful silk.Sound-absorbing material is specially melamine foam, is stitched melamine foam using bright and beautiful silk and terylene silk fabric
System inside it, ensure that the integrality and anti-acoustic capability of soundproofing member 5.
Reinforce bandage to be sewed by multilayer terylene silk fabric, the one side for reinforcing bandage and the sound absorber for being enclosed with clad
Material is fixed, and the another side for reinforcing bandage is fixed on the inner wall for being fixed on the cabinet 2 by pasting component.Paste component packet
Nylon hook band and nylon velvet band are included, the nylon velvet band is fixed with the reinforcement bandage, the nylon hook band and the cabinet 2
Inner wall is fixed.Reinforce bandage using 3 layers of terylene silk fabric sewing being fixedly connected with position, and sew velcro fastener (flannelette) on it,
Reinforce the load ability of soundproofing member 5.
As shown in Figure 1, cabinet 2 includes the first side plate, the second side plate, the first cover board, the second cover board, bottom plate；
First side plate, the second side plate, the first cover board, the second cover board are force bearing plate, first side plate, the first cover board,
Second side plate, is successively spliced into tubular structure at the second cover board, is shifted by assembly relation between case, reduces side plate, coverplate parts essence
Degree requires, while reducing assembled difficulty；The fixed bottom plate in one end face of the tubular structure, the tubular structure it is another
The fixed top cover 1 in a end face；Top cover 1 is not provided with installation interface, is connect using removable screw with 2 side wall of cabinet, removable screw
It is made of screw and dimension gasket, the two is connected as one by welding, bonding or other modes, has fast quick-detach
Property.
As shown in figure 3, four edges of the first side plate, the second side plate are provided with deep gouge, the first cover board as shown in Figure 2 and
Two cover boards are provided with deep gouge there are two edge；Two edges that first cover board is provided with deep gouge are opposite, are respectively used to fixed institute
State bottom plate and top cover 1；Two edges that second cover board is provided with deep gouge are opposite, are respectively used to fix the bottom plate and top cover 1；
The sealing structure 3 is placed in the deep gouge.
First side plate, the second side plate, the first cover board, the second cover board, base plate interior are furnished with reinforcing rib, for improving force-bearing property
Energy；Meanwhile first side plate, the second side plate, the first cover board, the second cover board, backplate surface carry out phosphoric acid anodizing or other
Enhance the processing of surface adhesive property.
Hoop component 4 is as shown in fig. 6, for making to pass through the case to the cable of sound insulation and noise reduction equipment inside the cabinet 2
Body 2 connects external equipment, seals the cable and the cabinet 2 and fixes.
Hoop component 4 includes: the first Fastener 41, the second Fastener 42 and gasket；
First Fastener 41 and the second Fastener 42 all include bottom plate and arc plate, and the end face of arc plate is fixed on bottom plate
On, the axis of the arc plate is perpendicular to the bottom plate.Through-hole, second card are provided on the bottom plate of first Fastener 41
The bottom plate of tight part 42 is provided with kidney slot；The radian of the radian of the arc plate and external penetrating cable outer wall cooperates, the first clamping
Part 41 and the unlocked arc plate of 42 bottom plate of the second Fastener are provided with guide frame on one side, for guaranteeing 41 He of the first Fastener
The concentricity of arc plate on second Fastener 42.
Hoop component 4 uses mounting means as follows:
2 wall of cabinet needs the position that cable passes through, and is provided with the through-hole greater than cable size, first by the first Fastener 41 and
Two Fasteners 42 are pre-assembled in the corresponding position that 2 wall of cabinet needs cable to pass through, and the through-hole of the first Fastener 41 is solid by screw
It is scheduled on 2 wall of cabinet, inside is passed through into the through-hole to the cable of sound insulation and noise reduction equipment, cable wall is close to the first Fastener 41
The radian of arc plate is compacted cable then in the position of the second Fastener of adjustment 42 by reserved kidney slot adaptation
After in the arc plate of the first Fastener 41 and the arc plate of the second Fastener 42, the first Fastener 41 and the second Fastener are fastened
42 installation site on cabinet 2.Gasket, such as methyl are also lined in the arc plate of first Fastener 41 and the second Fastener 42
Phenyl siloxane rubber plate enhances sealing performance.
The content that description in the present invention is not described in detail belongs to the well-known technique of professional and technical personnel in the field.
Claims (9)
1. one kind can in-orbit rapid-maintenance sealing denoising structure characterized by comprising top cover (1), cabinet (2), sealing knot
Structure (3)；
The cabinet (2) is the cube of roof opening, and inside is for placing the equipment to sound insulation and noise reduction；
Cabinet (2) side wall is towards being provided with deep gouge on the end face of roof；
It is U-shaped elastic component that the sealing structure (3), which is section, and the sealing structure (3) is heavy with the cabinet (2) side wall
Slot cooperation, the sealing structure (3) are placed in the deep gouge of the cabinet (2) side wall, the U-shaped opening of the sealing structure (3)
Towards the side high towards cabinet (2) external and internal pressure, the top cover (1) is fixedly connected with the deep gouge by fastener.
2. one kind according to claim 1 can in-orbit rapid-maintenance sealing denoising structure, which is characterized in that the cabinet
(2) deep gouge bottom is equidistantly provided with threaded hole, and the top cover (1) and cabinet (2) deep gouge threaded hole corresponding position are provided with through-hole, institute
It states top cover (1) and is fixedly connected with the deep gouge that cabinet (2) is placed with the sealing structure (3) by screw, make the sealing structure
(3) outer surface is under pressure.
3. one kind according to claim 1 can in-orbit rapid-maintenance sealing denoising structure, which is characterized in that the deep gouge
Depth be H, width B meets following relationship:
5%≤(H-h)/H≤20%,
65%≤{ H × B- [2a × c+ (h-2c) × b] }/(H × B)≤85%,
Wherein, a is the height in the U-shaped section of the sealing structure (3), and b is the U-shaped section bottom edge of the sealing structure (3)
Highly, c is the thickness of the U-shaped section free end of the sealing structure (3), and h is the total of the U-shaped section of the sealing structure (3)
Width.
4. one kind described according to claim 1~one of 3 can in-orbit rapid-maintenance sealing denoising structure, which is characterized in that
It further include soundproofing member (5)；
The soundproofing member (5) includes sound-absorbing material, clad, pastes component；
The sound-absorbing material outer surface is enclosed with clad, and the sound-absorbing material is fixed on the cabinet (2) by pasting component
Inner wall.
5. one kind according to claim 4 can in-orbit rapid-maintenance sealing denoising structure, which is characterized in that the sound insulation
The appearance roll cover of component (5) towards cabinet (2) inner wall side uses terylene silk fabric, the packet of soundproofing member (5) remaining outer surface
Coating is using bright and beautiful silk.
6. one kind according to claim 5 can in-orbit rapid-maintenance sealing denoising structure, which is characterized in that the sound insulation
Component (5) further includes reinforcing bandage；
The reinforcement bandage is sewed by multilayer terylene silk fabric, the one side for reinforcing bandage and the sound absorber for being enclosed with clad
Material is fixed, and the another side for reinforcing bandage is fixed on the inner wall for being fixed on the cabinet (2) by pasting component.
7. one kind according to claim 6 can in-orbit rapid-maintenance sealing denoising structure, which is characterized in that the stickup
Component includes nylon hook band and nylon velvet band, and the nylon velvet band is fixed with the reinforcement bandage, the nylon hook band with it is described
The inner wall of cabinet (2) is fixed.
8. one kind according to claim 7 can in-orbit rapid-maintenance sealing denoising structure, which is characterized in that further include card
It binds round component (4)；
The hoop component (4) is used to that the internal cable to sound insulation and noise reduction equipment of the cabinet (2) to be made to connect across the cabinet (2)
External equipment is connect, and seals the cable and the cabinet (2) and fixes.
9. one kind according to claim 8 can in-orbit rapid-maintenance sealing denoising structure, which is characterized in that the cabinet
It (2) include the first side plate, the second side plate, the first cover board, the second cover board, bottom plate；
First side plate, the second side plate, the second cover board, is successively spliced into tubular structure at the first cover board, the tubular structure
The fixed bottom plate in one end face, the fixed top cover (1) in another end face of the tubular structure；
First side plate, the second side plate four edges be provided with deep gouge, first cover board and the second cover board it is equal there are two
Edge is provided with deep gouge；Two edges that first cover board is provided with deep gouge are opposite, are respectively used to fix the bottom plate and top cover
(1)；Two edges that second cover board is provided with deep gouge are opposite, are respectively used to fix the bottom plate and top cover (1)；The deep gouge
Inside it is placed with the sealing structure (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303354.8A CN109323077B (en) | 2018-11-02 | 2018-11-02 | Sealing noise reduction structure capable of being maintained quickly on rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303354.8A CN109323077B (en) | 2018-11-02 | 2018-11-02 | Sealing noise reduction structure capable of being maintained quickly on rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109323077A true CN109323077A (en) | 2019-02-12 |
| CN109323077B CN109323077B (en) | 2020-06-09 |
Family
ID=65259418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811303354.8A Expired - Fee Related CN109323077B (en) | 2018-11-02 | 2018-11-02 | Sealing noise reduction structure capable of being maintained quickly on rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109323077B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212276A (en) * | 2021-11-30 | 2022-03-22 | 北京卫星制造厂有限公司 | Space station cabin door and method for assembling and adjusting cabin door sealing structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114212276A (en) * | 2021-11-30 | 2022-03-22 | 北京卫星制造厂有限公司 | Space station cabin door and method for assembling and adjusting cabin door sealing structure |
| CN114212276B (en) * | 2021-11-30 | 2023-08-11 | 北京卫星制造厂有限公司 | Space station cabin door and assembling and adjusting method of cabin door sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109323077B (en) | 2020-06-09 |
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