CN116280602A - Deformation compensation supporting structure suitable for under cryogenic environment - Google Patents
Deformation compensation supporting structure suitable for under cryogenic environment Download PDFInfo
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- CN116280602A CN116280602A CN202111564637.XA CN202111564637A CN116280602A CN 116280602 A CN116280602 A CN 116280602A CN 202111564637 A CN202111564637 A CN 202111564637A CN 116280602 A CN116280602 A CN 116280602A
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- Prior art keywords
- layer
- piece
- fiber epoxy
- glass fiber
- support
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- 239000004593 Epoxy Substances 0.000 claims abstract description 62
- 239000003365 glass fiber Substances 0.000 claims abstract description 46
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 31
- 239000004917 carbon fiber Substances 0.000 claims abstract description 31
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 100
- 229910052734 helium Inorganic materials 0.000 description 8
- 239000001307 helium Substances 0.000 description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 8
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D23/00—Details of bottles or jars not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/22—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient in moist conditions or immersed in liquids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Abstract
The invention discloses a deformation compensation supporting structure suitable for a cryogenic environment, wherein a shaft sleeve is arranged on a supporting rod in an eccentric mode, a first liquid cooling plate connecting piece is connected with a first inner layer supporting piece, and a second liquid cooling plate connecting piece is connected with a second inner layer supporting piece; the outer side of the outer metal connecting piece is connected with an inner Dewar, the inner side of the outer metal connecting piece is connected with one side of a first carbon fiber epoxy layer and one side of a second carbon fiber epoxy layer, the other side of the first carbon fiber epoxy layer is connected with one end of a first middle layer supporting piece, the other side of the second carbon fiber epoxy layer is connected with one end of a second middle layer supporting piece, the other end of the first middle layer supporting piece is connected with one side of a third glass fiber oxide layer, the other end of the second middle layer supporting piece is connected with one side of a fourth glass fiber epoxy layer, the other side of the third glass fiber oxide layer is connected with the first inner layer supporting piece, and the other side of the fourth glass fiber oxide layer is connected with the second inner layer supporting piece; the first glass fiber epoxy layer is arranged between the first inner layer support piece and the shaft sleeve, and the second glass fiber epoxy layer is arranged between the second inner layer support piece and the shaft sleeve.
Description
Technical Field
The invention relates to the technical field of deformation compensation support, in particular to a deformation compensation support structure suitable for a cryogenic environment.
Background
In the fields of low-temperature liquid storage, low-temperature research and superconductivity, a Dewar bottle plays a role in maintaining a low-temperature environment well, so that the energy consumption of refrigeration equipment is reduced, the existing Dewar bottle is invented by Scotland physicist and chemical Jams, namely Dewar jazz, a double-layer structure is generally adopted, the double-layer structure comprises an inner Dewar and an outer Dewar, and a supporting structure for heat insulation and heat preservation is arranged, and the design requirement of the supporting structure is that the heat leakage is reduced as much as possible on the basis of ensuring the supporting strength in the technical field.
The existing dewar bottle is mostly used for the liquid helium dewar support in a vertical state to be stable, only bears unidirectional load, and cannot be used for special-shaped dewar bearing dynamic load and vibration impact.
Disclosure of Invention
The invention provides a deformation compensation supporting structure suitable for a cryogenic environment, which can solve the technical problems in the prior art.
The invention provides a deformation compensation supporting structure suitable for a cryogenic environment, wherein the supporting structure comprises a supporting rod, a first middle layer supporting piece, a shaft sleeve, a first glass fiber epoxy layer, a second glass fiber epoxy layer, a first inner layer supporting piece, a second inner layer supporting piece, a third glass fiber epoxy layer, a fourth glass fiber epoxy layer, a second middle layer supporting piece, a first carbon fiber epoxy layer, a second carbon fiber epoxy layer, an outer layer metal connecting piece, a first liquid cooling plate connecting piece and a second liquid cooling plate connecting piece,
the shaft sleeve is arranged on the supporting rod in an eccentric mode, two ends of the supporting rod are connected with the outer Dewar, the first liquid cooling plate connecting piece is connected with the first inner layer supporting piece, and the second liquid cooling plate connecting piece is connected with the second inner layer supporting piece;
the outer side of the outer metal connecting piece is connected with the inner Dewar, the inner side of the outer metal connecting piece is connected with one side of the first carbon fiber epoxy layer and one side of the second carbon fiber epoxy layer, the other side of the first carbon fiber epoxy layer is connected with one end of the first middle layer supporting piece, the other side of the second carbon fiber epoxy layer is connected with one end of the second middle layer supporting piece, the other end of the first middle layer supporting piece is connected with one side of the third glass fiber oxide layer, the other end of the second middle layer supporting piece is connected with one side of the fourth glass fiber epoxy layer, the other side of the third glass fiber oxide layer is connected with the first inner layer supporting piece, and the other side of the fourth glass fiber oxide layer is connected with the second inner layer supporting piece;
the first glass fiber epoxy layer is arranged between the first inner layer support piece and the shaft sleeve, and the second glass fiber epoxy layer is arranged between the second inner layer support piece and the shaft sleeve.
Preferably, the support structure further comprises a fixing piece, the first liquid cooling plate connecting piece is connected with the first inner layer support piece through the fixing piece, and the second liquid cooling plate connecting piece is connected with the second inner layer support piece through the fixing piece.
Preferably, the fixing member is a screw.
Preferably, the material of the first inner layer support, the first middle layer support, the second middle layer support and the second inner layer support is stainless steel.
Preferably, the material of the outer layer metal connector is stainless steel.
Preferably, a plurality of mounting holes are formed in the outer-layer metal connecting piece, and the outer-layer metal connecting piece is matched with bolts through the plurality of mounting holes to be connected with the inner dewar.
Through the technical scheme, the shaft sleeve adopts eccentric design, and a multi-layer sleeve deformation compensation supporting structure comprising the glass fiber epoxy resin sleeve and the carbon fiber epoxy resin sleeve can be realized. And moreover, the liquid helium Dewar has the advantages of simple and compact structure, long heat transfer path, convenient operation, good stability, balanced rigidity and strength performance in all directions, convenient installation of the liquid helium Dewar body, capability of effectively stably supporting the liquid helium Dewar body which is transversely placed, capability of bearing vibration impact load and good fatigue resistance.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 illustrates a top view of a deformation compensating support structure suitable for use in cryogenic environments, according to an embodiment of the invention;
figure 2 shows a cross-section along A-A in figure 1.
Description of the reference numerals
1. A support rod; 2 a first interlayer support; 3, a shaft sleeve; 4, a first glass fiber epoxy layer;
5. a second glass fiber epoxy layer; 6 a first inner layer support; a second inner layer support;
8. a third glass fiber epoxy layer; 9 a fourth glass fiber epoxy layer; a second interlayer support;
11. a first carbon fiber epoxy layer; a second carbon fiber epoxy layer; 13 an outer layer metal connector;
14. a first liquid cooling plate connection member; 15 a second liquid cooling plate connector; 16 fasteners.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
As shown in fig. 1 and 2, an embodiment of the present invention provides a deformation compensation support structure suitable for use in a cryogenic environment, wherein the support structure comprises a support bar 1, a first intermediate layer support 2, a shaft sleeve 3, a first glass fiber epoxy layer 4, a second glass fiber epoxy layer 5, a first inner layer support 6, a second inner layer support 7, a third glass fiber epoxy layer 8, a fourth glass fiber epoxy layer 9, a second intermediate layer support 10, a first carbon fiber epoxy layer 11, a second carbon fiber epoxy layer 12, an outer layer metal connection 13, a first liquid cooling plate connection 14 and a second liquid cooling plate connection 15,
the shaft sleeve 3 is arranged on the supporting rod 1 in an eccentric mode (i.e. the shaft sleeve is not coaxial with the supporting rod), two ends of the supporting rod 1 are connected with the outer Dewar, the first liquid cooling plate connecting piece 14 is connected with the first inner layer supporting piece 6, and the second liquid cooling plate connecting piece 15 is connected with the second inner layer supporting piece 7;
the outer side of the outer metal connecting piece 13 is connected with an inner Dewar, the inner side of the outer metal connecting piece 13 is connected with one side of the first carbon fiber epoxy layer 11 and one side of the second carbon fiber epoxy layer 12, the other side of the first carbon fiber epoxy layer 11 is connected with one end of the first middle layer support piece 2, the other side of the second carbon fiber epoxy layer 12 is connected with one end of the second middle layer support piece 10, the other end of the first middle layer support piece 2 is connected with one side of the third glass fiber oxide layer 8, the other end of the second middle layer support piece 10 is connected with one side of the fourth glass fiber epoxy layer 9, the other side of the third glass fiber oxide layer 8 is connected with the first inner layer support piece 6, and the other side of the fourth glass fiber oxide layer 9 is connected with the second inner layer support piece 7;
the first glass fiber epoxy layer 4 is arranged between the first inner layer support 6 and the shaft sleeve 3, and the second glass fiber epoxy layer 5 is arranged between the second inner layer support 7 and the shaft sleeve 3.
Through the technical scheme, the shaft sleeve adopts eccentric design, and a multi-layer sleeve deformation compensation supporting structure comprising the glass fiber epoxy resin sleeve and the carbon fiber epoxy resin sleeve can be realized. And moreover, the liquid helium Dewar has the advantages of simple and compact structure, long heat transfer path, convenient operation, good stability, balanced rigidity and strength performance in all directions, convenient installation of the liquid helium Dewar body, capability of effectively stably supporting the liquid helium Dewar body which is transversely placed, capability of bearing vibration impact load and good fatigue resistance.
More specifically, the shaft sleeve is arranged in an eccentric mode, the whole supporting structure is subjected to unidirectional shearing load under the action of Dewar cold shrinkage load, and after the supporting structure is loaded, the center of the supporting rod axially coincides with other metal pieces, so that enough gaps are reserved between the center rod and each part during bearing, and deformation compensation supporting of the Dewar body is realized.
Wherein the outer metal connecting piece 13, the first carbon fiber epoxy layer 11 and the second carbon fiber epoxy layer 12 work in a liquid helium temperature zone.
According to one embodiment of the present invention, the support structure may further include a fixing member 16, the first liquid-cooled plate connecting member 14 and the first inner support member 6 are connected by the fixing member 16, and the second liquid-cooled plate connecting member 15 and the second inner support member 7 are connected by the fixing member 16.
Therefore, the fixing and supporting functions can be better.
According to one embodiment of the invention, the fastener 16 may be a screw.
According to one embodiment of the invention, the material of the first inner layer support 6, the first intermediate layer support 2, the second intermediate layer support 10 and the second inner layer support 7 may be stainless steel.
According to one embodiment of the present invention, the material of the outer metal connector 13 may be stainless steel.
Those skilled in the art will appreciate that the above description of materials is merely exemplary and is not intended to limit the present invention.
According to one embodiment of the present invention, the outer metal connecting piece 13 is provided with a plurality of mounting holes, and the outer metal connecting piece 13 is connected with the inner dewar through the cooperation of a plurality of mounting holes and bolts.
That is, the outer metal connecting piece is connected with the inner Dewar through the mounting hole and the bolt.
For example, the bolts may be titanium alloy bolts (e.g., M6 bolts), and the number of the mounting holes may be 8, but the present invention is not limited thereto.
More specifically, for the deformation compensation support structure for use in a cryogenic environment according to the above embodiment of the present invention, the order of connecting the components from outside to inside of the support structure is: the outer metal connecting piece, the carbon fiber epoxy layer, the middle layer supporting piece, the glass fiber epoxy layer, the inner supporting piece, the glass fiber epoxy layer, the shaft sleeve and the supporting rod.
The heat conduction path is as follows: the outer Dewar comprises an outer Dewar body, a supporting rod, a shaft sleeve, a glass fiber epoxy layer, an inner layer supporting piece, a glass fiber epoxy layer, an intermediate layer supporting piece, a carbon fiber epoxy layer, an outer layer metal connecting piece and an inner Dewar body.
Therefore, the deformation compensation supporting structure can fully utilize the low heat conductivity coefficient of the epoxy glass fiber reinforced plastic material at the high temperature end and the low heat conductivity coefficient of the epoxy carbon fiber material at the low temperature end, increase the heat resistance between the inner dewar and the outer dewar, and effectively isolate heat transfer of the outer Du Waxiang inner dewar.
The supporting structure has extremely high bearing capacity, and the safety coefficient can reach more than 2.5 under the 5k environment through test. The heat leakage is about 0.25w, which is about 80% higher than the same type of metal solution.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The deformation compensation supporting structure suitable for the deep cooling environment is characterized by comprising a supporting rod (1), a first middle layer supporting piece (2), a shaft sleeve (3), a first glass fiber epoxy layer (4), a second glass fiber epoxy layer (5), a first inner layer supporting piece (6), a second inner layer supporting piece (7), a third glass fiber epoxy layer (8), a fourth glass fiber epoxy layer (9), a second middle layer supporting piece (10), a first carbon fiber epoxy layer (11), a second carbon fiber epoxy layer (12), an outer metal connecting piece (13), a first liquid cooling plate connecting piece (14) and a second liquid cooling plate connecting piece (15),
the shaft sleeve (3) is arranged on the supporting rod (1) in an eccentric mode, two ends of the supporting rod (1) are connected with the outer Dewar, the first liquid cooling plate connecting piece (14) is connected with the first inner layer supporting piece (6), and the second liquid cooling plate connecting piece (15) is connected with the second inner layer supporting piece (7);
the outer metal connecting piece (13) is connected with the inner Dewar, the inner side of the outer metal connecting piece (13) is connected with one side of the first carbon fiber epoxy layer (11) and one side of the second carbon fiber epoxy layer (12), the other side of the first carbon fiber epoxy layer (11) is connected with one end of the first middle layer support piece (2), the other side of the second carbon fiber epoxy layer (12) is connected with one end of the second middle layer support piece (10), the other end of the first middle layer support piece (2) is connected with one side of the third glass fiber oxide layer (8), the other end of the second middle layer support piece (10) is connected with one side of the fourth glass fiber epoxy layer (9), the other side of the third glass fiber oxide layer (8) is connected with the first inner layer support piece (6), and the other side of the fourth glass fiber oxide layer (9) is connected with the second inner layer support piece (7); the first glass fiber epoxy layer (4) is arranged between the first inner layer support piece (6) and the shaft sleeve (3), and the second glass fiber epoxy layer (5) is arranged between the second inner layer support piece (7) and the shaft sleeve (3).
2. The support structure according to claim 1, further comprising a fixing member (16), wherein the first liquid-cooled plate connecting member (14) and the first inner layer support member (6) are connected by the fixing member (16), and wherein the second liquid-cooled plate connecting member (15) and the second inner layer support member (7) are connected by the fixing member (16).
3. The support structure of claim 2, wherein the securing member is a screw.
4. The support structure according to claim 1, characterized in that the material of the first inner layer support (6), the first intermediate layer support (2), the second intermediate layer support (10) and the second inner layer support (7) is stainless steel.
5. The support structure according to claim 4, characterized in that the material of the outer metal connection (13) is stainless steel.
6. The support structure according to claim 4, characterized in that the outer metal connector (13) is provided with a plurality of mounting holes, and the outer metal connector (13) is connected with the inner dewar through the cooperation of a plurality of mounting holes and bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111564637.XA CN116280602A (en) | 2021-12-20 | 2021-12-20 | Deformation compensation supporting structure suitable for under cryogenic environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111564637.XA CN116280602A (en) | 2021-12-20 | 2021-12-20 | Deformation compensation supporting structure suitable for under cryogenic environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116280602A true CN116280602A (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111564637.XA Pending CN116280602A (en) | 2021-12-20 | 2021-12-20 | Deformation compensation supporting structure suitable for under cryogenic environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116280602A (en) |
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2021
- 2021-12-20 CN CN202111564637.XA patent/CN116280602A/en active Pending
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