CN108868884A - A kind of plugging device for shield tunnel - Google Patents
A kind of plugging device for shield tunnel Download PDFInfo
- Publication number
- CN108868884A CN108868884A CN201810668331.0A CN201810668331A CN108868884A CN 108868884 A CN108868884 A CN 108868884A CN 201810668331 A CN201810668331 A CN 201810668331A CN 108868884 A CN108868884 A CN 108868884A
- Authority
- CN
- China
- Prior art keywords
- gas
- elastically deformable
- plugging device
- composite material
- vessel
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/107—Dams, e.g. for ventilation inflatable
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
Abstract
The present invention provides a kind of plugging devices for shield tunnel, after being blocked using plugging device, detect leakage point according to the sensor in plugging device, leakage point are replenished in time, to improve plugging device to the sealing effect of shield tunnel.Plugging device of the invention convenient for seeking leakage point, and compensates in time for leakage point, improves the compactness in plugging device and tunnel, improve plugging effect.
Description
Technical field
The present invention relates to a kind of plugging devices, more particularly to a kind of plugging device for shield tunnel.
Background technique
It can encounter flood during shield tunnel construction, the emergency situations such as toxic gas or smoke propagation, in order to prevent
Disseminating for flood or gas fume etc., can often be blocked, but the patch of existing plugging device and tunnel using Inflatable device
Right not high enough, closure is not tight, and sealing effect is poor, and existing plugging device volume is big, when leaking, it is difficult to seek
Look for leakage point, also seal leakage point without corresponding measure, cause block fail, and existing plugging device for
The measure that waterproof and gas-tight do not have specific aim to strengthen sealing.
Summary of the invention
The present invention by added in the inflatable formula vessel of plugging device hydro-expansive rubber sealing element and
Gas-flow closure part, when tunnel is prominent meets poisonous gas or smog, after being blocked using plugging device, according in plugging device
Sensor detects leakage point, according to testing result, is inflated using air pump to gas-flow closure part, blocks gas-flow closure part in time and let out
Leak source or leakage point near zone；When tunnel is prominent meets flood, according to the characteristic of hydro-expansive rubber sealing element, using meeting, water is swollen
Swollen rubber seal plug leak point or leakage point near zone, and according to the testing result of sensor, the property of can choose makes
With gas-flow closure part, to improve plugging device to the sealing effect of shield tunnel.Plugging device of the invention, convenient for seeking to leak
Point, and sealing element is replenished in time for leakage point, the compactness in plugging device and tunnel is improved, plugging effect is improved.
The present invention adopts the following technical scheme that in order to solve the technical problem：
A kind of plugging device for shield tunnel, including inflatable formula vessel and it is mounted on the vessel one
The compressor that the plug at end further includes controller and is inflated to the vessel, which is characterized in that the vessel packet
Internal layer, middle layer, reinforcing layer are included, the internal layer is made of the composite material of the first elastically deformable, and middle layer can bullet by second
Property deformation composite material be made, reinforcing layer is made of the composite material of third elastically deformable, and the first elastically deformable is answered
The expansiveness of condensation material is higher than the expansiveness of the composite material of the second elastically deformable, the composite wood of the second elastically deformable
The expansiveness of material is higher than the expansiveness of the composite material of third elastically deformable, the composite material of third elastically deformable
Rigidity and intensity are higher than the composite material of the first elastically deformable, and the rigidity and intensity of the composite material of third elastically deformable are high
In the composite material of the second elastically deformable, reinforcing layer is arranged at intervals with multiple row groove along the axis direction of the vessel,
Multiple grooves in each column are uniformly arranged along the circumferentially-spaced of reinforcing layer, the circumferential direction along reinforcing layer of all grooves
Length, be equal along the width of the axis direction of the vessel, in two adjacent column grooves, setting is anti-in a column groove
The hydro-expansive rubber sealing element of flood, the gas-flow closure part of the interior setting protection from fumes of another column groove or toxic gas are adjacent
Two column are provided with the interlaced setting of groove of the hydro-expansive rubber sealing element of flood-protection, and it is close that two adjacent column are provided with inflation
The interlaced setting of the groove of sealing, the spacing in each column groove between two adjacent grooves are less than or equal to each groove edge
The length value of circumferential direction, the bottom for being provided with the groove of gas-flow closure part are provided with filling channel, be provided in reinforcing layer with
The gas ducting of filling channel connection, gas ducting are communicated with compressor, and the gas-flow closure part further includes detector, detector
For detecting the compactness of the gas-flow closure part and tunnel.
Preferably, hydro-expansive rubber sealing element is provided that in a column groove of the plug.
Preferably, the hydro-expansive rubber seal outer surface is additionally provided with recess portion.
Preferably, gas-flow closure part outer surface is additionally provided with recess portion.
Preferably, the air intake passage of the plug and inflatable formula vessel is connected through a screw thread.
Preferably, pressure sensor is provided at the air intake passage of the inflatable formula vessel.
When tunnel, which encounters flood, to be needed to block tunnel using plugging device, plug is opened, passes through air inlet using compressor
Mouth channel is inflated into plugging device, when the pressure signal of the pressure sensor detection at air intake passage reaches preset value,
Stop inflation, close air intake passage using plug, completes to block；When there is leakage point in plugging device and tunnel, flood may
When being leaked by leakage point, what the flood permeated by leakage point can enter leakage point or leakage point region is equipped with water-swellable
In the groove of rubber seal, hydro-expansive rubber sealing element meeting water-swellable compensates the leakproofness of leakage point, makes plugging device
Preferably block tunnel.
When tunnel encounters toxic gas or smog needs to block tunnel using plugging device, plug is opened, compression is utilized
Machine is inflated by air intake passage into plugging device, and the pressure signal of the pressure sensor detection at air intake passage reaches
When preset value, stop inflation, controller judges to inflate close according to the numerical value for the detector transmission being arranged on gas-flow closure part at this time
The compactness at sealing and tunnel is passed through at this when the compactness signal of detector transmission is less than preset value using compressor
Filling channel to gas-flow closure part inflate, make gas-flow closure part be close to tunnel, improve plugging device and tunnel compactness, institute
After the completion of the gas-flow closure part inflation of inflation in need, air intake passage is closed using plug, completes to block.
The recess portion being arranged on the recess portion and gas-flow closure part being arranged on hydro-expansive rubber sealing element can make water-swellable
Rubber seal and gas-flow closure part have more fully deformation space.
In another embodiment, when tunnel, which encounters flood, to be needed to block tunnel using plugging device, plug is opened, pressure is utilized
Contracting machine is inflated by air intake passage into plugging device, and the pressure signal of the pressure sensor detection at air intake passage reaches
When to preset value, stop inflation, controller judges to inflate according to the numerical value for the detector transmission being arranged on gas-flow closure part at this time
The compactness at sealing element and tunnel, when the compactness signal of detector transmission is less than preset value, using compressor by being somebody's turn to do
The filling channel at place is inflated to gas-flow closure part, and gas-flow closure part is made to be close to tunnel, improves the compactness of plugging device and tunnel,
Inflation in need gas-flow closure part inflation after the completion of, utilize plug close air intake passage, complete block；Work as plugging device
Have leakage point with tunnel, when flood may be leaked by leakage point, by leakage point permeate flood can enter leakage point or
Leakage point region is equipped in the groove of hydro-expansive rubber sealing element, and hydro-expansive rubber sealing element meeting water-swellable is mended
The leakproofness for repaying leakage point, makes plugging device preferably block tunnel, utilizes gas-flow closure part and hydro-expansive rubber sealing element
Dual-seal improves leakproofness.
Beneficial effects of the present invention are as follows：
It, can be for flood and toxic 1. by the hydro-expansive rubber sealing element and gas-flow closure part that are arranged in reinforcing layer
The targeted compensation sealing of the carry out such as gas, smog improves the compactness of plugging device and tunnel.
2. when needing to block toxic gas, smog etc. leakage point can be detected in time using sensor, according to leakage
Point compensates sealing using gas-flow closure part in time, improves air-tightness.
3. when needing to block flood, using the characteristic of hydro-expansive rubber sealing element, seeped when there is flood to pass through leakage point
It when saturating, expand hydro-expansive rubber sealing element in time and compensates sealing, improve Water tight.
4. two adjacent column are provided with the interlaced setting of the groove of the hydro-expansive rubber sealing element of flood-protection, adjacent
Two column be provided with gas-flow closure part groove interlaced setting, improve hydro-expansive rubber sealing element and gas-flow closure
The coverage rate of part is convenient for timely plug leak point or leakage point near zone.
5. the setting of the expansiveness of vessel three-decker, rigidity and intensity, it is ensured that the abundant change of vessel
Shape, and guarantee that vessel has enough compression resistances.
Detailed description of the invention
Fig. 1 is the schematic diagram of plugging device.
Fig. 2 is the cross-sectional view of inflatable formula vessel.
Appended drawing reference in figure is respectively：
1. 2. 6. reinforcing layer of inflatable formula vessel 3. groove, 4. internal layer, 5. middle layer of plug, 7. gas-flow closure
8. hydro-expansive rubber sealing element of part, 9. gas ducting.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
A kind of plugging device for shield tunnel, including inflatable formula vessel 2 and it is mounted on the container
The plug 1 of 2 one end of ontology, further includes controller（It is not shown in the figure）And the compressor inflated to the vessel（In figure
It is not shown）, which is characterized in that the vessel 2 includes internal layer 4, middle layer 5, reinforcing layer 6, and the internal layer 4 can bullet by first
Property deformation composite material be made, middle layer 5 is made of the composite material of the second elastically deformable, and reinforcing layer 6 can bullet by third
Property deformation composite material be made, the expansiveness of the composite material of the first elastically deformable is higher than answering for the second elastically deformable
The expansiveness of condensation material, the expansiveness of the composite material of the second elastically deformable are higher than the composite wood of third elastically deformable
The expansiveness of material, the rigidity and intensity of the composite material of third elastically deformable are higher than the composite wood of the first elastically deformable
Material, the rigidity and intensity of the composite material of third elastically deformable are higher than the composite material of the second elastically deformable, 6 edge of reinforcing layer
The axis direction of the vessel 2 is arranged at intervals with multiple row groove 3, week of the multiple grooves 3 in each column along reinforcing layer
To being arranged uniformly at intervals, the length of the circumferential direction along reinforcing layer of all grooves 3, along the axis side of the vessel 2
To width be equal, in two adjacent column grooves 3, the hydro-expansive rubber sealing element 8 of setting flood-protection in a column groove 3,
The gas-flow closure part 7 of setting protection from fumes or toxic gas in another column groove, the chance water that two adjacent column are provided with flood-protection are swollen
The interlaced setting of groove of swollen rubber seal 8, the groove that two adjacent column are provided with gas-flow closure part 7 interlaced are set
It sets, the spacing in each column groove between two adjacent grooves is less than or equal to the length value of each groove along circumferential direction, if
It is equipped with the bottom setting filling channel of the groove of gas-flow closure part 7（It is not shown in the figure）, it is provided in reinforcing layer and filling channel
The gas ducting 9 of connection has gas ducting 9, and gas ducting 9 is communicated with compressor, and the gas-flow closure part 7 further includes detector
（It is not shown in the figure）, detector is used to detect the compactness of the gas-flow closure part 7 and tunnel, close to a column of the plug 1
It is provided that hydro-expansive rubber sealing element 8,8 outer peripheral surface of hydro-expansive rubber sealing element are additionally provided with recess portion in groove 3, inflates
The outer peripheral surface of sealing element 7 is additionally provided with recess portion, and plug 1 and the air intake passage of inflatable formula vessel 2 pass through screw thread
Connection, the air intake passage of inflatable formula vessel 2（It is not shown in the figure）Place is provided with pressure sensor（Do not show in figure
Out）.
When tunnel, which encounters flood, to be needed to block tunnel using plugging device, plug 1 is opened, passes through air inlet using compressor
Mouth channel is inflated into plugging device, when the pressure signal of the pressure sensor detection at air intake passage reaches preset value,
Stop inflation, close air intake passage using plug, completes to block；When there is leakage point in plugging device and tunnel, flood may
When being leaked by leakage point, what the flood permeated by leakage point can enter leakage point or leakage point region is equipped with water-swellable
In the groove of rubber seal 8, the meeting water-swellable of hydro-expansive rubber sealing element 8 compensates the leakproofness of leakage point, makes to block dress
It sets and preferably blocks tunnel.
When tunnel encounters toxic gas or smog needs to block tunnel using plugging device, plug 1 is opened, compression is utilized
Machine is inflated by air intake passage into plugging device, and the pressure signal of the pressure sensor detection at air intake passage reaches
When preset value, stop inflation, controller judges to inflate close according to the numerical value for the detector transmission being arranged on gas-flow closure part at this time
The compactness at sealing and tunnel is passed through at this when the compactness signal of detector transmission is less than preset value using compressor
Filling channel to gas-flow closure part 7 inflate, make gas-flow closure part be close to tunnel, improve plugging device and tunnel compactness,
Inflation in need gas-flow closure part 7 inflate after the completion of, utilize plug close air intake passage, complete block.
In another embodiment, when tunnel, which encounters flood, to be needed to block tunnel using plugging device, plug 1 is opened, is utilized
Compressor is inflated by air intake passage into plugging device, the pressure signal of the pressure sensor detection at air intake passage
When reaching preset value, stop inflation, at this time numerical value of the controller according to the detector transmission being arranged on gas-flow closure part 7, judgement
Led to when the compactness signal of detector transmission is less than preset value using compressor at gas-flow closure part with the compactness in tunnel
It crosses filling channel at this to inflate to gas-flow closure part 7, gas-flow closure part 7 is made to be close to tunnel, improve plugging device and tunnel
Compactness, inflation in need gas-flow closure part 7 inflate after the completion of, utilize plug close air intake passage, complete block；When
There is leakage point in plugging device and tunnel, when flood may be leaked by leakage point, can be entered by the flood that leakage point permeates
Leakage point or leakage point region are equipped in the groove of hydro-expansive rubber sealing element, and hydro-expansive rubber sealing element can meet water
Expansion, compensates the leakproofness of leakage point, plugging device is made preferably to block tunnel, utilize gas-flow closure part 7 and water-swellable rubber
8 dual-seal of glue sealing element improves leakproofness.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of plugging device for shield tunnel, including inflatable formula vessel and it is mounted on the vessel
The compressor that the plug of one end further includes controller and is inflated to the vessel, which is characterized in that the vessel
Including internal layer, middle layer, reinforcing layer, the la m is made of the composite material of the first elastically deformable, and middle layer is by second
The composite material of elastically deformable is made, and reinforcing layer is made of the composite material of third elastically deformable, the first elastically deformable
Composite material expansiveness be higher than the second elastically deformable composite material expansiveness, the second elastically deformable answers
The expansiveness of condensation material is higher than the expansiveness of the composite material of third elastically deformable, the composite wood of third elastically deformable
The rigidity and intensity of material are higher than the composite material of the first elastically deformable, the rigidity of the composite material of third elastically deformable and strong
Degree is higher than the composite material of the second elastically deformable, and it is recessed that reinforcing layer along the axis direction of the vessel is arranged at intervals with multiple row
Slot, multiple grooves in each column are uniformly arranged along the circumferentially-spaced of reinforcing layer, the circumferential direction along reinforcing layer of all grooves
The length in direction is equal along the width of the axis direction of the vessel, in two adjacent column grooves, is set in a column groove
Set the hydro-expansive rubber sealing element of flood-protection, the gas-flow closure part of setting protection from fumes or toxic gas in another column groove, phase
Two adjacent column are provided with the interlaced setting of groove of the hydro-expansive rubber sealing element of flood-protection, and two adjacent column, which are provided with, to be filled
The interlaced setting of the groove of seal, the spacing in each column groove between two adjacent grooves are less than or equal to each recessed
The length value of slot along circumferential direction, the bottom for being provided with the groove of gas-flow closure part are provided with filling channel, are arranged in reinforcing layer
There is the gas ducting being connected to filling channel, gas ducting is communicated with compressor, and the gas-flow closure part further includes detector, inspection
Survey the compactness that device is used to detect the gas-flow closure part and tunnel.
2. a kind of plugging device for being used for shield tunnel as described in claim 1, wherein close to a column groove of the plug
Inside it is provided that hydro-expansive rubber sealing element.
3. a kind of plugging device for being used for shield tunnel as described in claim 1, the hydro-expansive rubber sealing element appearance
Face is additionally provided with recess portion.
4. a kind of plugging device for being used for shield tunnel as described in claim 1, gas-flow closure part outer surface is also set up
There is recess portion.
5. a kind of plugging device for being used for shield tunnel as described in claim 1, the plug and inflatable formula container
The air intake passage of ontology is connected through a screw thread.
6. a kind of plugging device for being used for shield tunnel as described in claim 1, the inflatable formula vessel
Pressure sensor is provided at air intake passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810668331.0A CN108868884B (en) | 2018-06-26 | 2018-06-26 | A kind of plugging device for shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810668331.0A CN108868884B (en) | 2018-06-26 | 2018-06-26 | A kind of plugging device for shield tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108868884A true CN108868884A (en) | 2018-11-23 |
| CN108868884B CN108868884B (en) | 2019-08-09 |
Family
ID=64294734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810668331.0A Active CN108868884B (en) | 2018-06-26 | 2018-06-26 | A kind of plugging device for shield tunnel |
Country Status (1)
| Country | Link |
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| CN (1) | CN108868884B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084442A (en) * | 2021-04-29 | 2021-07-09 | 中国化学工程第十三建设有限公司 | Pipeline welding auxiliary fixtures |
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|---|---|---|---|---|
| WO2006135951A1 (en) * | 2005-06-21 | 2006-12-28 | Tagfilm Pty Limited | Tunnel barrier |
| CN204572065U (en) * | 2015-03-13 | 2015-08-19 | 龙岩学院 | A kind of Novel closed air bag |
| CN105003281A (en) * | 2015-07-29 | 2015-10-28 | 上海隧道工程有限公司 | Tunnel temporary isolating and blocking device and construction method for temporarily isolating and blocking tunnel |
| CN105114125A (en) * | 2015-07-29 | 2015-12-02 | 上海隧道工程有限公司 | Tunnel airbag air filling device and tunnel airbag air filling method |
| CN105275492A (en) * | 2015-11-24 | 2016-01-27 | 天津大学 | Temporary water retaining apparatus for rapidly handling problem of water and mud bursting in tunnel |
| CN106761924A (en) * | 2016-12-29 | 2017-05-31 | 中国人民解放军63926部队 | A kind of anti-water gushing out with high pressure air bag of pressure self-balancing |
-
2018
- 2018-06-26 CN CN201810668331.0A patent/CN108868884B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006135951A1 (en) * | 2005-06-21 | 2006-12-28 | Tagfilm Pty Limited | Tunnel barrier |
| CN204572065U (en) * | 2015-03-13 | 2015-08-19 | 龙岩学院 | A kind of Novel closed air bag |
| CN105003281A (en) * | 2015-07-29 | 2015-10-28 | 上海隧道工程有限公司 | Tunnel temporary isolating and blocking device and construction method for temporarily isolating and blocking tunnel |
| CN105114125A (en) * | 2015-07-29 | 2015-12-02 | 上海隧道工程有限公司 | Tunnel airbag air filling device and tunnel airbag air filling method |
| CN105275492A (en) * | 2015-11-24 | 2016-01-27 | 天津大学 | Temporary water retaining apparatus for rapidly handling problem of water and mud bursting in tunnel |
| CN106761924A (en) * | 2016-12-29 | 2017-05-31 | 中国人民解放军63926部队 | A kind of anti-water gushing out with high pressure air bag of pressure self-balancing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084442A (en) * | 2021-04-29 | 2021-07-09 | 中国化学工程第十三建设有限公司 | Pipeline welding auxiliary fixtures |
| CN113084442B (en) * | 2021-04-29 | 2022-04-12 | 中国化学工程第十三建设有限公司 | Pipeline welding auxiliary fixtures |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108868884B (en) | 2019-08-09 |
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