CN109131821A - A kind of slidable connection structure - Google Patents
A kind of slidable connection structure Download PDFInfo
- Publication number
- CN109131821A CN109131821A CN201810932955.9A CN201810932955A CN109131821A CN 109131821 A CN109131821 A CN 109131821A CN 201810932955 A CN201810932955 A CN 201810932955A CN 109131821 A CN109131821 A CN 109131821A
- Authority
- CN
- China
- Prior art keywords
- cabin
- heat
- flange
- press strip
- insulating mattress
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011204 carbon fibre-reinforced silicon carbide Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D29/00—Power-plant nacelles, fairings, or cowlings
- B64D29/06—Attaching of nacelles, fairings or cowlings
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
Abstract
The present invention provides a kind of slidable connection structure, including cabin, radome fairing and multiple spaced connection components for cabin and radome fairing slidable connection, wherein, the main structure of radome fairing is substantially u-shaped, and along equal outward flanging on U-shaped two sidewalls, flange with the cabin for connecting, any one connection component includes: heat insulating mattress, heat-insulated press strip and multiple connectors, wherein, heat insulating mattress is arranged on the one side towards the cabin of flange, heat-insulated press strip is arranged on the one side of the cabin backwards of the flange, heat insulating mattress, flange and heat-insulated press strip form sandwich structure；Connector described in each is used to sandwich structure being pressed on the cabin, and in connection structure, flange is respectively slidably arranged relative to heat insulating mattress and heat-insulated press strip.Slidable connection structure provided by the invention is able to solve the unmatched technical problem of thermal deformation present in the connection of cabin in the prior art and radome fairing.
Description
Technical field
The present invention relates to a kind of slidable connection structures, and in particular to the slidable connection between a kind of hot and cold structural member
Connection structure, the connection being particularly suitable between fragile material heat structure and cold junction component.
Background technique
The long-time of hypersonic aircraft is in endoatmosphere high-speed flight, and in-flight continuous high temperature occurs in surface.Rectification
Cover is the d type component outside engine main body, bears the high temperature of cover using C/SiC material, cabin using outer solar heat protection, interior hold
The form of load, inner bearing structure are aluminum alloy materials, and whole temperature of flying exists close to room temperature, therefore between radome fairing and cabin
Because of thermal deformation mismatch case caused by temperature difference.It is connect in addition, existing between radome fairing and engine jet pipe, cabin
Mouthful, because awing there is relative deformation in engine jet pipe and cabin, radome fairing above-mentioned two at interface exist it is opposite
Mechanical movement.
In-flight about 950 DEG C of radome fairing maximum temperature, about 500 DEG C of the maximum temperature of junction, cabin connecting portion highest
About 80 DEG C of temperature, there are X to relative deformation to length 700mm or so, therefore between junction and cabin by radome fairing X.
Structural union more commonly used at present is difficult to meet above-mentioned relative deformation requirement, not only according to mechanism connection
It will increase the complexity of design and maintenance, be also unable to satisfy structural weight reduction requirement.Need thus a kind of form is simple, performance can
The connection structure leaned on.
Summary of the invention
The present invention provides a kind of slidable connection structure, and the connection for being able to solve cabin in the prior art and radome fairing is deposited
The unmatched technical problem of thermal deformation.
The technology of the present invention solution:
The present invention provides a kind of slidable connection structure, including cabin, radome fairing and multiple spaced is used for cabin
With the connection component of radome fairing slidable connection, wherein the main structure of radome fairing is substantially u-shaped, and along equal on U-shaped two sidewalls
Outward flanging, for being attached with cabin, connection component is arranged flange along the length direction interval of flange, any one connection
Component includes: heat insulating mattress, heat-insulated press strip and multiple connectors, wherein the one side towards cabin of flange is arranged in heat insulating mattress
On, heat-insulated press strip is arranged on the one side of cabin backwards of flange, and heat insulating mattress, flange and heat-insulated press strip form sandwich knot
Structure；Each connector is used to sandwich structure being pressed on cabin, and in connection structure, flange relative to heat insulating mattress and every
Hot pressing item is respectively slidably arranged.
Further, for any one connection component, connector is screw, is provided in cabin for fixing multiple spiral shells
The threaded hole of nail is provided with the multiple through-holes passed through for multiple screws, and multiple through-hole edges on heat insulating mattress, flange and press strip
The setting of flanging length direction interval；Wherein, multiple through-holes of flange include location hole and slidably hole.
Further, in multiple through-holes of flange, setting is located at the through-hole of end side as location hole；The slidably hole of flange
For slotted hole.
Further, the activity surplus of slotted hole is not less than 2mm.
Further, screw is preferably sunk screw, and sunk screw sinks to the inside of heat-insulated press strip, and heat-insulated press strip is in countersunk head
It is additionally provided with counterbore on the head of screw, the solar heat protection plug for blocking counterbore screw is additionally provided in counterbore.
Further, heat insulating mattress is also carried out with cabin be bonded.
Further, heat insulating mattress is Nian Jie with cabin using silicon rubber.
Further, heat insulating mattress and heat-insulated press strip are all made of quartz fibre enhancing silicon dioxide composite material and are prepared.
A kind of slidable connection structure is provided using the present invention, contact both sides are adapted to by the connection type of design sliding
The thermal deformation mismatch or relative mechanical of appearance move, and the connection structure has both carrying and anti-heat function, have form letter
, there is good application prospect in the advantages of single, easy to assembly, structure light wt, reliable performance in engineering.
Detailed description of the invention
Included attached drawing is used to provide to be further understood from the embodiment of the present invention, and which constitute one of specification
Point, for illustrating the embodiment of the present invention, and come together to illustrate the principle of the present invention with verbal description.It should be evident that below
Attached drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
Property labour under the premise of, be also possible to obtain other drawings based on these drawings.
Fig. 1 shows a kind of structural schematic diagram of the slidable connection structure provided according to embodiments of the present invention；
Fig. 2 shows the sections of connection component any in the slidable connection structure provided according to the specific embodiment of the invention
Figure；
Fig. 3 shows the three-view diagram of the press strip provided according to the specific embodiment of the invention；
Fig. 4 shows the structural schematic diagram of the radome fairing provided according to the specific embodiment of the invention.
Wherein, the above drawings include the following reference numerals:
10, cabin；20, radome fairing；30, heat insulating mattress；40, press strip；50, connector；60, engine.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is right below
The description only actually of at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or use
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As illustrated in fig. 1 and 2, the present invention provides a kind of slidable connection structure, including cabin 10, radome fairing 20 and it is multiple between
Every the connection component for 20 slidable connection of cabin 10 and radome fairing of setting, wherein radome fairing 20 is U-shaped band flanging knot
Structure, flange with cabin for being attached, and connection component is arranged along the length direction interval of flange, any one connection component packet
Include: heat insulating mattress 30, heat-insulated press strip 40 and multiple connectors 50, wherein heat insulating mattress 30 be arranged in flange towards the one of cabin 10
On side, heat-insulated press strip 40 is arranged on the one side of cabin 10 backwards of flange, 40 shape of heat insulating mattress 30, flange and heat-insulated press strip
At sandwich structure；Each connector 50 is used to sandwich structure being pressed on cabin 10, and in connection structure, flange phase
Heat insulating mattress 30 and heat-insulated press strip 40 are respectively slidably arranged.
Using a kind of slidable connection structure provided in an embodiment of the present invention, by determining heat-barrier material, position and connection
Mode is installed by cabin 10-heat insulating mattress, 30-radome fairing flange-heat-insulated press strip 40 combination, radome fairing flange is pressed from both sides
Among heat insulating mattress 30 and heat-insulated press strip 40, sandwich structure is constituted, heat insulating mattress 30 and heat-insulated 40 surface of press strip constitute one and put down
Straight rail guarantees that radome fairing 20 realizes controllable oriented sliding, realizes by sliding and adapts to the thermal change that contact both sides occur
Shape mismatches or relative mechanical movement；In addition, by the connection component that multiple intervals are arranged, so that the local compaction power of connector
It is dispersed, prevents each component of connector impaired.
Further, as shown in figure 4, the main structure of radome fairing 20 is substantially u-shaped, and along outward on U-shaped two sidewalls
Flange；Specifically, along the length direction of radome fairing 20, (length direction of flanging is also radome fairing to the main structure of radome fairing 20
20 length direction) it is in U-shape, it is generally the case that the length direction of radome fairing 20 is course direction, namely along course direction,
The main structure of radome fairing 20 is in U-shape, and the radome fairing 20 has very long flanging, preferred two lateral flange along course direction
It is arranged symmetrically.The present invention is attached using the flanging of radome fairing 20 with cabin 10, is slidably connected conducive to realization.
As a kind of specific embodiment of the present invention, the connection component point of the slidable connection of cabin 10 and radome fairing 20 is connected
It Wei Yu not be at two lateral flanges of radome fairing 20, wherein totally 16 groups of connection component, each 8 groups of two lateral flanges, such as a~h, along boat
Setting is successively spaced to direction, wherein for any one connection component, such as connection component a comprising: heat insulating mattress 30, every
Hot pressing item 40 and multiple connectors 50.
Further, as an embodiment of the present invention, as shown in Figures 2 and 3, connector 50 is screw, is set in cabin 10
It is equipped with the threaded hole for fixing multiple screws, is provided on institute's heat insulating mattress 30, flange and heat-insulated press strip 40 for multiple spiral shells
Follow closely across multiple through-holes, and multiple through-holes along course direction interval be arranged；Wherein, multiple through-holes of flange include location hole and
Slidably hole, in addition, heat insulating mattress 30 and heat-insulated press strip 40 are disposed as strip.Using such configuration mode, by that will connect
Component is set as screw, and location hole and slidably hole will be arranged simultaneously on flange, and by heat insulating mattress 30 and heat-insulated press strip 40
It is disposed as strip, ensure that heat insulating mattress 30 and heat-insulated 40 surface of press strip constitute a straight track and the realization of radome fairing 20 can
The oriented sliding of control.
Further, as an embodiment of the present invention, positioning and sliding are more preferably taken into account in order to realize, the multiple of flange are led to
Kong Zhong, setting are located at the through-hole of end side as location hole, and first through-hole more preferably along course direction is location hole, flange
Slidably hole is slotted hole.
Further, as an embodiment of the present invention, according to X existing for cabin 10 and radome fairing flange to relative deformation
The activity surplus for designing slotted hole is not less than 2mm.
Further, as an embodiment of the present invention, in order to prevent heat bridge, screw is preferably sunk screw, countersunk head spiral shell
Nail sinks to the inside of heat-insulated press strip 40, and heat-insulated press strip 40 is additionally provided with counterbore on the head of sunk screw, also sets up in counterbore
There is the solar heat protection plug (not shown) for blocking counterbore screw.
Further, as an embodiment of the present invention, in order to guarantee heat insulating mattress 30, heat-insulated press strip 40, cabin 10, screw
Without relative displacement, heat insulating mattress 30 also carried out with cabin 10 it is be bonded, heat insulating mattress 30 using silicon rubber it is Nian Jie with cabin 10.
Specifically, sandwich structure is pressed in cabin 10 by sunk screw, cabin 10 designs threaded hole, heat-insulated pressure
Item 40 designs counter sink, opens hole on radome fairing flange and heat insulating mattress 30, and heat insulating mattress 30 is sticked to cabin 10 first by when assembly
On, then successively radome fairing 20 and heat-insulated press strip 40 are put in place, sunk screw is finally screwed into, heat-insulated press strip 40 is compressed,
Installation is completed, heat insulating mattress 30, heat-insulated press strip 40, cabin 10, sunk screw, therefore only need to be in radome fairings without relative displacement when work
Long hole of the design activity surplus not less than 2mm can make structure meet sliding requirement on flange.
In the present invention, institute's sunk screw is realized locking by way of screw-down torque and screw thread gluing.Wherein, screwing force
The setting of square needs to consider two o'clock factor, first is that keeping fastening not loosen at work, second is that connection tension, radome fairing is avoided to connect
The normal pressure of junction is excessive and can not normally slide, and especially when radome fairing tension, being cut, should ensure that radome fairing can be timely
Sliding, is released radome fairing internal stress, structure is avoided to destroy.
Further, quartz fibre enhancing is all made of as a kind of preferred embodiment of the present invention, heat insulating mattress and heat-insulated press strip
Silicon dioxide composite material is prepared.Reason is: radome fairing and press strip outer surface are the aerodynamic configuration faces of cabin, are being flown
In by air-flow heat, there are continuous high temperatures on surface, while radome fairing is awing primarily subjected to surface Pneumatic pressure, to heat-insulated
Pad generates the squeezing action along contact surface normal direction, it is contemplated that these two aspects factor, heat insulating mattress and press strip use have both centainly every
Heat enhances silicon dioxide composite materials with the quartz fibres of load-carrying properties, and the temperature of cabin not only can be effectively reduced, can also be with
Bear the extruding of radome fairing；In addition, heat insulating mattress contact surface can be scraped fine powder when radome fairing slides, make rubbing for contact surface
Wiping coefficient reduces, helps radome fairing sliding.
Slidable connection structure provided by the present invention illustrated below:
16 pieces of press strips are shared in Fig. 1, each 8 pieces of left and right, quantity is adjustable, local thickness of the cabin 10 at threaded hole
12mm, screw thread bore dia M5, screw thread effective depth 7mm；30 thickness 12.7mm of heat insulating mattress, in sunk screw Position Design Φ
5.5mm through-hole；Respectively there are turnup structure at one in 20 two sides of radome fairing, and flange thickness 7mm, two sides are symmetrical, in sunk screw Position Design
The long hole that arc section is Φ 5.5mm, straightway is 3mm；Heat-insulated 40 thickness 10mm of press strip, in sunk screw Position Design path Φ
90 ° of counter sinks of 5.5mm, major diameter Φ 9.5mm；Sunk screw uses HB1-205FG-M5-5g6gx26 standard component, and two rows of totally 14
?.Thickness KH-CL-RTV-2 silastic-layer is coated between heat insulating mattress 30 and cabin 10, realizes heat insulating mattress bonding；Sunk screw screwing force
Square needs to control, and to prevent the aluminium alloy thread damage of cabin, M5 screw recommends screw-down torque 3Nm, screw thread coating locking glue.
In addition, the press strip and connection structure size of the radome fairing in the present invention can shape, load environments according to radome fairing
Deng adjustment.It is recommended that attachment screw is small as far as possible, to reduce heat bridge heat transfer.
The embodiment of the present invention provides a kind of slidable connection structure, and it is double to adapt to contact by the connection type of design sliding
Thermal deformation mismatch or the relative mechanical movement just occurred, and the connection structure has both carrying and anti-heat function, has form
Simply, there is good application prospect in the advantages of easy to assembly, structure light wt, reliable performance in engineering.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of slidable connection structure, which is characterized in that the connection structure includes cabin (10), radome fairing (20) and multiple
The spaced connection component for the cabin (10) and radome fairing (20) slidable connection, wherein the radome fairing
(20) main structure is substantially u-shaped, and along equal outward flanging on U-shaped two sidewalls, the flange is used to carry out with cabin (10)
Connection, the connection component are arranged along the length direction interval of the flange, and any one of connection component includes: heat-insulated
Pad (30), heat-insulated press strip (40) and multiple connectors (50), wherein the direction of the flange is arranged in the heat insulating mattress (30)
On the one side of the cabin (10), the one of the cabin (10) backwards of the flange is arranged in the heat-insulated press strip (40)
On side, the heat insulating mattress (30), flange and heat-insulated press strip (40) form sandwich structure；Connector described in each
(50) for the sandwich structure to be pressed on the cabin (10), and in the connection structure, the flange relative to
The heat insulating mattress (30) and heat-insulated press strip (40) are respectively slidably to be arranged.
2. a kind of slidable connection structure according to claim 1, which is characterized in that for any one of connection
Component, the connector (50) are screw, and the screw thread for fixing multiple screws is provided in the cabin (10)
Hole, be provided on the heat insulating mattress (30), flange and heat-insulated press strip (40) passed through for multiple screws it is multiple logical
Hole, and multiple through-holes are arranged along flanging length direction interval；Wherein, multiple through-holes of the flange include location hole and
Slidably hole.
3. a kind of slidable connection structure according to claim 2, which is characterized in that in multiple through-holes of the flange,
Through-hole positioned at end side is set as location hole；The slidably hole of the flange is slotted hole.
4. a kind of slidable connection structure according to claim 3, which is characterized in that the activity surplus of slotted hole is not less than
2mm。
5. a kind of slidable connection structure according to claim 2, which is characterized in that the screw is preferably countersunk head spiral shell
Nail, the sunk screw sink to the inside of the heat-insulated press strip (40), and the heat-insulated press strip (40) is in the sunk screw
Head on be additionally provided with counterbore, the solar heat protection plug for blocking the counterbore screw is additionally provided in the counterbore.
6. a kind of slidable connection structure according to claim 1, which is characterized in that the heat insulating mattress (30) also with institute
The cabin (10) stated is bonded.
7. a kind of slidable connection structure according to claim 6, which is characterized in that the heat insulating mattress (30) uses silicon
Rubber is Nian Jie with cabin (10).
8. a kind of slidable connection structure described in -7 according to claim 1, which is characterized in that the heat insulating mattress (30) and every
Hot pressing item (40) is all made of quartz fibre enhancing silicon dioxide composite material and is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932955.9A CN109131821B (en) | 2018-08-16 | 2018-08-16 | Slidable connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932955.9A CN109131821B (en) | 2018-08-16 | 2018-08-16 | Slidable connecting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109131821A true CN109131821A (en) | 2019-01-04 |
| CN109131821B CN109131821B (en) | 2020-07-24 |
Family
ID=64789612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810932955.9A Active CN109131821B (en) | 2018-08-16 | 2018-08-16 | Slidable connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109131821B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834712A (en) * | 2019-10-17 | 2020-02-25 | 中国运载火箭技术研究院 | Be applicable to high temperature resistant thermal plug structure of dismantling |
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| CN207500012U (en) * | 2017-10-27 | 2018-06-15 | 洛阳神飞航空科技有限公司 | A kind of solid rocket motor case being easily installed |
| CN207647495U (en) * | 2017-12-14 | 2018-07-24 | 东营华辰石油装备有限公司 | A kind of Thickened oil injection-production heat-insulation retractor device |
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|---|---|---|---|---|
| US4702439A (en) * | 1987-01-20 | 1987-10-27 | The United States Of America As Represented By The Secretary Of The Navy | Support for thermally expanding conical heatshield |
| CN102614749A (en) * | 2011-01-26 | 2012-08-01 | 北京星旋世纪科技有限公司 | Vortex type hot and cold gas separation apparatus |
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| Publication number | Publication date |
|---|---|
| CN109131821B (en) | 2020-07-24 |
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