CN203394543U - Tunnel rigid heat preservation and insulation layer in cold and severe cold regions - Google Patents
Tunnel rigid heat preservation and insulation layer in cold and severe cold regions Download PDFInfo
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- CN203394543U CN203394543U CN201320456464.4U CN201320456464U CN203394543U CN 203394543 U CN203394543 U CN 203394543U CN 201320456464 U CN201320456464 U CN 201320456464U CN 203394543 U CN203394543 U CN 203394543U
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Abstract
The utility model relates to a tunnel rigid heat preservation and insulation layer in cold and severe cold regions. A tunnel heat preservation device comprises a first stainless steel layer, a second stainless steel layer arranged on the inner surface of the first stainless steel layer and a supporting component arranged between the first stainless steel layer and the second stainless steel layer. The first stainless steel layer and the second stainless steel layer are made of a material high in impact resistance, and construction precision improvement is facilitated. A vacuum cavity isolates heat exchange of air on two sides of the heat preservation and insulation layer, tunnel lining temperature is kept relatively stable, a good heat preservation effect is achieved, and freezing injury is prevented in low-temperature environment. A supporting component made of a high-strength low-temperature-resistant material is used for dividing the vacuum cavity, the force of the heat preservation and insulation layer is increased, and when one sub vacuum cavity loses the vacuum state, normal work of other sub vacuum cavities is not affected, and maintaining is facilitated.
Description
Technical field
The utility model relates to mechanical field, relates in particular to a kind of cold and tunnel in cold regions rigidity thermal insulation separation thermosphere.
Background technology
At present, the main method that cold and tunnel in cold regions Portal Section prevention frost damage adopt has: heating, heat-insulation and heat-preservation method etc., heating effect is better, but uneconomical ， China mainly applies, is heat-insulation and heat-preservation method.Heat-insulation and heat-preservation method is utilized heat-insulating heat-preserving material, makes the heat in tunnel surrounding lining cutting be difficult in the winter time overflowing or few effusion, the internal surface temperature of secondary lining is remained on more than 0 ℃, thereby avoid the generation of freezing damage in tunnel.Conventionally the heat insulating material adopting is the polyurethane that coefficient of thermal conductivity is lower, poly-phenol formaldehyde foam, polystyrene, dry method alumina silicate fibre etc., especially most widely used with heat insulating materials such as polyurethane and poly-phenolic aldehyde.But practical engineering application shows, also there is the shortcomings such as coefficient of thermal conductivity impact is large, impact resistance is poor, fragile, not durable in the flexible isolation layer of this class.
Utility model content
The purpose of this utility model is to overcome fragile, the non-resistant shortcoming of existing tunnel insulation device.
For achieving the above object, the utility model provides a kind of cold and tunnel in cold regions rigidity thermal insulation separation thermosphere.Comprise:
The first stainless steel layer;
The second stainless steel layer, is arranged at the inner side of described the first stainless steel layer;
Support component, is arranged between described the first stainless steel layer and described the second stainless steel layer.
Preferably, the longitudinal cross-section profile of described cold and tunnel in cold regions rigidity thermal insulation separation thermosphere is linear, circular arc or rectangle.
Preferably, the thickness of described the first stainless steel layer is 2mm～3mm; The thickness of described the second stainless steel layer is 2mm～3mm.
Preferably, the spacing of described the first stainless steel layer and described the second stainless steel layer is 4～6mm.
Preferably, described support component comprises:
First end, is connected with described the first stainless steel layer;
The second end, is connected with described the second stainless steel layer.
Preferably, the longitudinal cross-section of described support component is shaped as bar shaped or square.
Preferably, the number of described support component is a plurality of.
Preferably, the spacing of described adjacent two support components is 80cm～120cm.
Preferably, the space that described adjacent two support components and described the first stainless steel layer and described the second stainless steel layer surround is vacuum.
Cold of the utility model embodiment and tunnel in cold regions rigidity thermal insulation separation thermosphere, the characteristic of the high-strength low-temperature-resistant of its first stainless steel layer and the second stainless steel layer, makes its anti-impact force strong, also contributes to improve construction precision; The interchange of heat of the isolated thermal insulation separation thermosphere of vacuum chamber both sides air, keeps relative stability the temperature of tunnel lining, realizes good heat insulation effect, and freeze injury phenomenon occurs while avoiding low temperature environment; Utilize the material of high-strength low-temperature-resistant to separate vacuum chamber as support component simultaneously, when increasing the dynamics of thermal insulation separation thermosphere, when a sub-vacuum chamber, lose after vacuum state, do not affect the normal operation of other sub-vacuum chambers, be convenient to safeguard.In addition, the ability of the whole anti-local assault of cold of the utility model embodiment and tunnel in cold regions rigidity thermal insulation separation thermosphere or shock is strong, and not fragile, durability is better.
Accompanying drawing explanation
Fig. 1 is cold of the utility model embodiment and the longitdinal cross-section diagram of tunnel in cold regions rigidity thermal insulation separation thermosphere;
Fig. 2 is cold of another embodiment of the utility model and the longitdinal cross-section diagram of tunnel in cold regions rigidity thermal insulation separation thermosphere.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is cold in the utility model embodiment and the longitdinal cross-section diagram of tunnel in cold regions rigidity thermal insulation separation thermosphere.The longitudinal cross-section profile of this thermal insulation separation thermosphere can be linear, circular arc, rectangle etc. other be suitable for the shape in tunnel.As shown in Figure 1, the longitudinal cross-section of cold of the utility model embodiment and tunnel in cold regions rigidity thermal insulation separation thermosphere is shaped as circular arc, and this thermal insulation separation thermosphere comprises the first stainless steel layer 12, the second stainless steel layer 13 and support component 14.
The first stainless steel layer 12 and the second stainless steel layer 13 be arranged in parallel, and the second stainless steel layer is arranged at the inner side of the first stainless steel layer.The thickness of the first stainless steel layer and the second stainless steel layer is 2～3mm, and the spacing between the first stainless steel layer and the second stainless steel layer is 4～6mm.In the utility model embodiment, the thickness of the first stainless steel layer and the second stainless steel layer is 2.5mm, and spacing is between the two 5mm.
Support component is arranged between the first stainless steel layer and the second stainless steel layer, and its material is high strength, low temperature material, as stainless steel or other suitable materials.Its longitudinal cross-section shape can be other applicable shapes such as bar shaped, square.Support component for strengthen the first stainless steel layer and the second stainless steel layer dynamics, prevent that the first stainless steel layer and the second stainless steel layer from deforming; The number of support component is a plurality of, according to the stressing conditions scattering device of thermal insulation separation thermosphere diverse location between the first stainless steel layer and the second stainless steel layer, so support component is divided into a plurality of cavitys by the space of the first stainless steel layer and the encirclement of the second stainless steel layer, in each cavity, is vacuum.In the utility model embodiment, the material of support component is that stainless steel ，Qi longitudinal cross-section is shaped as bar shaped, comprises upper and lower Liang Ge end.Wherein, first end utilizes welding to be connected with the first stainless steel layer, and the second end utilizes welding to be connected with the second stainless steel layer.Spacing between adjacent two support components is 80～120cm.
This thermal insulation separation thermosphere is arranged at the inner surface of tunnel lining 11.This thermal insulation separation thermosphere adopt hot rolling mode, according to the form of fracture in tunnel, the stainless sheet steel of bulk is prefabricated into together with support component to the heat preservation component 10 with cavity, will in the cavity of these heat preservation components, be evacuated and carry out cold and the tunnel in cold regions rigidity thermal insulation separation thermosphere of assembled formation the utility model embodiment.When prefabricated thermal insulation parts, increase the volume of each heat preservation component as far as possible, to reduce assembled seam, increase the globality of thermal insulation separation thermosphere.
Fig. 2 is cold of another embodiment of the utility model and the longitdinal cross-section diagram of tunnel in cold regions rigidity thermal insulation separation thermosphere.As shown in Figure 2, this thermal insulation separation thermosphere is shaped as rectangle from the different ，Qi of the being longitudinal cross-section of a upper embodiment, and this thermal insulation separation thermosphere comprises the first stainless steel layer 22, the second stainless steel layer 23 and support component 24.The first stainless steel layer 22, the second stainless steel layer 23 and support component 24 all can adopt with material and method identical in a upper embodiment and make.The function that each parts are realized is also identical with each parts in a upper embodiment.
As mentioned above, cold of the utility model embodiment and tunnel in cold regions rigidity thermal insulation separation thermosphere, the characteristic of the high-strength low-temperature-resistant of its first stainless steel layer and the second stainless steel layer, makes its anti-impact force strong, also contributes to improve construction precision; The interchange of heat of the isolated thermal insulation separation thermosphere of vacuum chamber both sides air, keeps relative stability the temperature of tunnel lining, realizes good heat insulation effect, and freeze injury phenomenon occurs while avoiding low temperature environment; Utilize the material of high-strength low-temperature-resistant to separate vacuum chamber as support component simultaneously, when increasing the dynamics of thermal insulation separation thermosphere, when a sub-vacuum chamber, lose after vacuum state, do not affect the normal operation of other sub-vacuum chambers, be convenient to safeguard.In addition, the ability of the whole anti-local assault of cold of the utility model embodiment and tunnel in cold regions rigidity thermal insulation separation thermosphere or shock is strong, and not fragile, durability is better.
The above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. cold and a tunnel in cold regions rigidity thermal insulation separation thermosphere, is characterized in that, described cold and tunnel in cold regions rigidity thermal insulation separation thermosphere comprise:
The first stainless steel layer;
The second stainless steel layer, is arranged at the inner side of described the first stainless steel layer;
Support component, is arranged between described the first stainless steel layer and described the second stainless steel layer.
2. cold as claimed in claim 1 and tunnel in cold regions rigidity thermal insulation separation thermosphere, is characterized in that, the longitudinal cross-section profile of described cold and tunnel in cold regions rigidity thermal insulation separation thermosphere is linear, circular arc or rectangle.
3. cold as claimed in claim 1 and tunnel in cold regions rigidity thermal insulation separation thermosphere, is characterized in that, the thickness of described the first stainless steel layer is 2mm～3mm; The thickness of described the second stainless steel layer is 2mm～3mm.
4. the cold as described in claim 1 or 3 and tunnel in cold regions rigidity thermal insulation separation thermosphere, is characterized in that, the spacing of described the first stainless steel layer and described the second stainless steel layer is 4～6mm.
5. cold as claimed in claim 1 and tunnel in cold regions rigidity thermal insulation separation thermosphere, is characterized in that, described support component comprises:
First end, is connected with described the first stainless steel layer;
The second end, is connected with described the second stainless steel layer.
6. cold as claimed in claim 1 and tunnel in cold regions rigidity thermal insulation separation thermosphere, is characterized in that, the longitudinal cross-section of described support component is shaped as bar shaped or square.
7. cold as claimed in claim 1 and tunnel in cold regions rigidity thermal insulation separation thermosphere, is characterized in that, the number of described support component is a plurality of.
8. cold as claimed in claim 7 and tunnel in cold regions rigidity thermal insulation separation thermosphere, is characterized in that, the spacing of described adjacent two support components is 80cm～120cm.
9. cold and tunnel in cold regions rigidity thermal insulation separation thermosphere as claimed in claim 7 or 8, is characterized in that, the space that described adjacent two support components and described the first stainless steel layer and described the second stainless steel layer surround is vacuum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320456464.4U CN203394543U (en) | 2013-07-29 | 2013-07-29 | Tunnel rigid heat preservation and insulation layer in cold and severe cold regions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320456464.4U CN203394543U (en) | 2013-07-29 | 2013-07-29 | Tunnel rigid heat preservation and insulation layer in cold and severe cold regions |
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| Publication Number | Publication Date |
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| CN203394543U true CN203394543U (en) | 2014-01-15 |
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| CN201320456464.4U Expired - Fee Related CN203394543U (en) | 2013-07-29 | 2013-07-29 | Tunnel rigid heat preservation and insulation layer in cold and severe cold regions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835725A (en) * | 2014-03-05 | 2014-06-04 | 东南大学 | Antifreezing and insulating tunnel in cold region |
| CN104329102A (en) * | 2014-09-12 | 2015-02-04 | 中铁建大桥工程局集团第三工程有限公司 | Cold-proof heat insulation structure for cold area highway tunnel and construction method of cold-proof heat insulation structure |
| CN105401963A (en) * | 2015-12-08 | 2016-03-16 | 安徽理工大学 | Three-dimensional heat-insulating reinforced concrete liner for mines |
| CN112196591A (en) * | 2020-10-29 | 2021-01-08 | 青海五矿中铁公路建设管理有限公司 | Drainage preventing plate for reducing frost heaving force of tunnel in cold region and construction method thereof |
-
2013
- 2013-07-29 CN CN201320456464.4U patent/CN203394543U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835725A (en) * | 2014-03-05 | 2014-06-04 | 东南大学 | Antifreezing and insulating tunnel in cold region |
| CN103835725B (en) * | 2014-03-05 | 2016-05-25 | 东南大学 | Anti-freezing and heat-insulating tunnel, a kind of cold district |
| CN104329102A (en) * | 2014-09-12 | 2015-02-04 | 中铁建大桥工程局集团第三工程有限公司 | Cold-proof heat insulation structure for cold area highway tunnel and construction method of cold-proof heat insulation structure |
| CN105401963A (en) * | 2015-12-08 | 2016-03-16 | 安徽理工大学 | Three-dimensional heat-insulating reinforced concrete liner for mines |
| CN105401963B (en) * | 2015-12-08 | 2017-12-08 | 安徽理工大学 | The heat-insulated three-dimensional reinforced concrete lining layer in mine |
| CN112196591A (en) * | 2020-10-29 | 2021-01-08 | 青海五矿中铁公路建设管理有限公司 | Drainage preventing plate for reducing frost heaving force of tunnel in cold region and construction method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20200729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |