CN210370716U - Sealing structure of portal curtain type special-shaped water stopping air bag - Google Patents
Sealing structure of portal curtain type special-shaped water stopping air bag Download PDFInfo
- Publication number
- CN210370716U CN210370716U CN201921327066.6U CN201921327066U CN210370716U CN 210370716 U CN210370716 U CN 210370716U CN 201921327066 U CN201921327066 U CN 201921327066U CN 210370716 U CN210370716 U CN 210370716U
- Authority
- CN
- China
- Prior art keywords
- air bag
- curtain cloth
- sealing device
- curtain
- air
- 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.)
- Active
Links
Images
Landscapes
- Air Bags (AREA)
Abstract
The utility model discloses a portal curtain formula abnormal shape stagnant water gasbag seal structure, including curtain formula gasbag sealing device and clamp plate, curtain formula gasbag sealing device hugs closely portal steel ring setting, and the clamp plate is laid in curtain formula gasbag sealing device's the outside, is provided with pre-buried trachea on the curtain formula gasbag sealing device, and pre-buried tracheal gas outlet end stretches into to the inner chamber of gasbag in the curtain formula gasbag sealing device, and pre-buried tracheal gas inlet end is connected with the air compressor machine, is provided with the check valve on the high-pressurepipe. The utility model discloses a set up curtain cloth formula gasbag sealing device in the portal steel ring outside to set up pre-buried trachea in the gasbag in curtain cloth formula gasbag sealing device, can be through the inside atmospheric pressure size adjustment curtain cloth formula gasbag sealing device's of the gasbag shape in the control curtain cloth formula gasbag sealing device, thereby realize curtain cloth formula gasbag sealing device initiative adjustment and to the wrapping up in of the shield body and hold inseparable degree, can carry out the nimble design of pertinence according to on-the-spot particular case, the form is various, and application scope is extensive.
Description
Technical Field
The utility model belongs to the technical field of the tunnel construction, concretely relates to portal curtain formula abnormal shape stagnant water gasbag seal structure.
Background
The shield launching and receiving are high-risk links in the shield construction process, and the tunnel portal sealing device is a key facility for the launching and receiving. The tunnel portal sealing device consists of tunnel portal curtain cloth, a tunnel portal embedded steel ring and a pressing plate, and the water stopping performance of the tunnel portal sealing device is directly related to the safety of the shield starting.
The existing portal curtain cloth is generally an annular rubber plate, bolt holes are reserved in the rubber plate, and the rubber plate and a pressing plate are installed on a portal embedded steel ring together. The diameter of the curtain cloth of the tunnel portal is slightly smaller than that of the shield body, the curtain cloth is extruded by the shield body, the curtain cloth can wrap the shield body, the passive working is achieved, the wrapping tightness degree of the curtain cloth cannot be actively adjusted, the curtain cloth is made of hard rubber and is relatively hard, and the shield body needs to be attached by means of extrusion force of the pressing plate. The shield deviates and has too large gap with the curtain cloth, which can cause the curtain cloth to be wrapped and held tightly, the performance of the portal sealing device can be greatly reduced, and once water burst and sand burst occur, the tunnel portal sealing device can only be treated by external measures.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem lie in not enough to among the above-mentioned prior art, a portal curtain formula heterotypic stagnant water gasbag seal structure is provided, it is through setting up curtain formula gasbag sealing device in the portal steel ring outside, and set up pre-buried trachea in the gasbag in curtain formula gasbag sealing device, can be through the shape of the inside atmospheric pressure size adjustment curtain formula gasbag sealing device of gasbag in the control curtain formula gasbag sealing device, thereby realize that curtain formula gasbag sealing device initiative adjustment is wrapped up in of the shield body and is held inseparable degree, can carry out the nimble design of pertinence according to on-the-spot particular case, the form is various, application scope is extensive.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: comprises a curtain cloth type air bag sealing device and a pressing plate which are arranged at the position of a hole opening, the curtain cloth type air bag sealing device is arranged close to a hole door steel ring, the pressing plate is arranged at the outer side of the curtain cloth type air bag sealing device, the curtain cloth type air bag sealing device and the pressing plate are fixedly connected with the tunnel door steel ring through a plurality of bolts, the curtain cloth type air bag sealing device is provided with an embedded air pipe, the embedded air pipe is provided with one or more air outlets, the air outlet end of the embedded air pipe extends into the inner cavity of the air bag in the curtain cloth type air bag sealing device, the air inlet end of the pre-buried air pipe extends out of the curtain cloth type air bag sealing device and is connected with an air compressor through a high-pressure air pipe, one end of the high-pressure air pipe, which is close to the embedded air pipe, is provided with a one-way valve, and one end of the high-pressure air pipe, which is close to the air compressor, is provided with an air pressure gauge and a solenoid valve switch.
Foretell a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: the pressing plate comprises a fixed circular ring fixedly connected with the hole door steel ring and a turning plate connected to the inner end of the fixed circular ring through a pin shaft, and a plurality of bolt holes for bolts to penetrate through are formed in the curtain cloth type air bag sealing device and the fixed circular ring.
Foretell a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: the curtain cloth type air bag sealing device is a curtain cloth rubber air bag, one side wall of the curtain cloth rubber air bag, which is close to the pressing plate, is a non-expansion bag wall, and one side wall of the curtain cloth rubber air bag, which is close to the portal steel ring, is an expansion bag wall.
Foretell a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: the curtain cloth rubber air bag is internally provided with a plurality of elastic limiting parts for controlling the opening degree of the curtain cloth rubber air bag, and steel wires are arranged in the non-expansion bag wall and the expansion bag wall.
Foretell a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: an air outlet is formed in the embedded air pipe, and the air outlet end of the embedded air pipe extends into the cord fabric rubber air bag.
Foretell a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: the curtain cloth type air bag sealing device comprises curtain cloth and an auxiliary air bag which are matched with each other, the auxiliary air bag is arranged between the curtain cloth and a portal steel ring, one side of the auxiliary air bag, which is close to the curtain cloth, is a non-expansion bag wall, and one side of the auxiliary air bag, which is close to the portal steel ring, is an expansion bag wall.
Foretell a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: the curtain cloth and the auxiliary air bag are fixed into a whole, an air outlet is formed in the embedded air pipe, and the air outlet end of the embedded air pipe extends into the auxiliary air bag.
Foretell a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: the curtain fabric, the non-expansion bag wall of the auxiliary air bag and the expansion bag wall of the auxiliary air bag are all provided with steel wires.
Foretell a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: the curtain cloth type air bag sealing device comprises curtain cloth and a plurality of micro air bags matched with the curtain cloth, wherein the micro air bags and the curtain cloth are fixed into a whole and are arranged between the curtain cloth and the shield body.
Foretell a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: the embedded air pipe is provided with a plurality of air outlets, and the number of the air outlets is equal to that of the micro air bags and corresponds to that of the micro air bags one by one.
Compared with the prior art, the utility model has the following advantage:
1. the curtain cloth type air bag sealing device is arranged outside the tunnel portal steel ring, the shape of the curtain cloth type air bag sealing device can be adjusted by controlling the air pressure inside the air bag in the curtain cloth type air bag sealing device, so that the wrapping tightness degree of the curtain cloth type air bag sealing device on the shield body is actively adjusted; when water gushing, sand gushing and other abnormal conditions occur, the air pressure of the air bag in the curtain cloth type air bag sealing device can be increased, so that the air bag in the curtain cloth type air bag sealing device can be expanded to block a water gushing point, the purposes of water stopping and sand stopping are achieved, the targeted flexible design can be carried out according to the specific conditions on site, the form is various, and the application range is wide.
2. The utility model discloses a set up the pre-buried trachea rather than the inner chamber intercommunication in curtain cloth formula gasbag sealing device's gasbag, be convenient for realize the gassing of filling of gasbag among the gasbag sealing device.
3. The utility model discloses a set up a lateral wall that is close to the clamp plate on the curtain cloth rubber air bag into not inflation bag wall, set up a lateral wall that is close to the portal steel ring on the curtain cloth rubber air bag into inflation bag wall, when can making curtain cloth rubber air bag inflation, can also closely laminate with the clamp plate, can effectively improve the sealed effect of portal, and then effectively avoid gushing the emergence of unusual circumstances such as water, gushing sand.
To sum up, the utility model discloses a set up curtain cloth formula gasbag sealing device outside the door steel ring to set up pre-buried trachea in the gasbag in curtain cloth formula gasbag sealing device, can be through the inside atmospheric pressure size adjustment curtain cloth formula gasbag sealing device's of the gasbag shape in the sealed device of control curtain cloth formula gasbag, thereby realize curtain cloth formula gasbag sealing device initiative adjustment and hold inseparable degree to wrapping up in of the shield body, can carry out the nimble design of pertinence according to on-the-spot particular case, the form is various, and application scope is extensive.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Description of reference numerals:
1-cord rubber air bag; 1-non-swelling of the capsule wall; 1-2-inflation of the capsule wall;
2-portal steel ring; 3, a bolt; 4, pre-burying an air pipe;
5-high-pressure air pipe; 6, an air compressor; 7-elastic limit piece;
8, fixing a circular ring; 9-a pin shaft; 10, turning a plate;
11-a one-way valve; 12-barometer; 13-electromagnetic valve switch;
14-shield body; 15-cord fabric; 16-auxiliary air bag;
17-micro air bag.
Detailed Description
Example 1
As shown in figure 1, the utility model comprises a curtain cloth type air bag sealing device and a pressing plate which are arranged at the position of a hole, the curtain cloth type air bag sealing device is arranged close to the portal steel ring 2, the pressing plate is arranged at the outer side of the curtain cloth type air bag sealing device, the curtain cloth type air bag sealing device and the pressure plate are fixedly connected with the tunnel door steel ring 2 through a plurality of bolts 3, the curtain cloth type air bag sealing device is provided with an embedded air pipe 4, the embedded air pipe 4 is provided with one or more air outlets, the air outlet end of the pre-buried air pipe 4 extends into the inner cavity of the air bag in the curtain cloth type air bag sealing device, the air inlet end of the pre-buried air pipe 4 extends out of the curtain cloth type air bag sealing device and is connected with an air compressor 6 through a high-pressure air pipe 5, one end of the high-pressure air pipe 5 close to the embedded air pipe 4 is provided with a one-way valve 11, and one end of the high-pressure air pipe 5 close to the air compressor 6 is provided with a barometer 12 and an electromagnetic valve switch 13.
When the tunnel portal sealing device is used in practice, the curtain cloth type air bag sealing device is arranged on the outer side of the tunnel portal steel ring 2, and the external shape of the curtain cloth type air bag sealing device can be adjusted by controlling the air pressure inside the air bag in the curtain cloth type air bag sealing device, so that the wrapping and holding tightness degree of the shield body 14 is actively adjusted by the curtain cloth type air bag sealing device; when the abnormal conditions such as gushing water, gushing sand appear, the atmospheric pressure of gasbag in the sealed device of accessible increase curtain cloth formula gasbag makes gasbag inflation and then stops up the gushing water point in the sealed device of curtain cloth formula gasbag to reach the purpose of stagnant water and stop sand, can carry out the nimble design of pertinence according to on-the-spot particular case, the form is various, and application scope is extensive.
It should be noted that, the air bag in the curtain cloth type air bag sealing device is provided with the pre-buried air pipe 4 communicated with the inner cavity of the air bag, so that the air bag in the curtain cloth type air bag sealing device can be inflated and deflated conveniently.
During the in-service use, when using curtain cloth formula gasbag sealing device to seal the entrance to a cave, need set up at least one and pre-buried trachea 4 matched with air compressor machine 6 at the appointed position on the construction site, aerify in the gasbag through air compressor machine 6 to curtain cloth formula gasbag sealing device.
In actual use, the one-way valve 11 is arranged at one end of the embedded air pipe 4, so that the air compressor 6 can inflate the air bag in the curtain cloth type air bag sealing device through the embedded air pipe 4, but the air in the air bag in the curtain cloth type air bag sealing device cannot flow out of the embedded air pipe 4, and the sealing performance of the curtain cloth type air bag sealing device can be effectively improved.
It should be noted that, by providing the barometer 12 and the solenoid valve switch 13 at the end of the high-pressure air pipe 5 close to the air compressor 6, the inflation amount in the air bag of the curtain-type air bag sealing device can be accurately controlled, and further, the external shape of the curtain-type air bag sealing device can be accurately controlled.
In this embodiment, the pressing plate includes a fixed ring 8 fixedly connected with the portal steel ring 2 and a turning plate 10 connected to the inner end of the fixed ring 8 through a pin 9, and the curtain cloth type airbag sealing device and the fixed ring 8 are both provided with a plurality of bolt holes for the bolts 3 to pass through.
During the in-service use, the clamp plate is folding press plate, according to particular case in the in-service use, curtain cloth formula gasbag sealing device also can cooperate fan-shaped clamp plate to use, and application scope is extensive.
In this embodiment, bolt 3 passes behind fixed ring 8, curtain cloth formula gasbag sealing device and the portal steel ring 2 in proper order and is connected with the major structure fastening, bolt 3 avoids pre-buried trachea 4 on the curtain cloth formula gasbag sealing device to set up.
In the embodiment, the curtain cloth type air bag sealing device is a curtain cloth rubber air bag 1, one side wall of the curtain cloth rubber air bag 1 close to the pressing plate is a non-expansion bag wall 1-1, and one side wall of the curtain cloth rubber air bag 1 close to the hole door steel ring 2 is an expansion bag wall 1-2.
In practical use, when a stratum with poor quality is reinforced at a starting and receiving end and the possibility of water and sand gushing is high, the curtain cloth rubber air bag 1 is required to be used for sealing the tunnel portal, the curtain cloth rubber air bag 1 has the same external shape with the curtain cloth 15 in an uninflated state, the curtain cloth rubber air bag 1 can be used independently or combined with the traditional curtain cloth, and the air bag can be flexibly designed according to the conditions of the tunnel portal, the stratum and the like so as to meet the requirements of different conditions.
It should be noted that one side of the bag wall of the cord fabric rubber air bag 1 close to the pressing plate is set to be the non-expansion bag wall 1-1, and one side of the bag wall of the cord fabric rubber air bag 1 close to the steel ring 2 of the tunnel portal is set to be the expansion bag wall 1-2, so that the cord fabric rubber air bag 1 can be tightly attached to the pressing plate while expanding, the sealing effect of the tunnel portal can be effectively improved, and the abnormal situations such as water burst, sand burst and the like can be effectively avoided.
In this embodiment, according to curtain cloth rubber gasbag 1 can be a whole gasbag, also can follow curtain cloth rubber gasbag 1 circumference or radially set up a plurality of shelves that separate, makes curtain cloth rubber gasbag 1 include a plurality of independent gasbag units, each all be provided with a pre-buried trachea 4 in the gasbag unit, can be as required, the inflation volume of each gasbag unit of control, and then effective control curtain cloth rubber gasbag 1's shape, can effectively improve the sealed effect of portal, simultaneously, can improve curtain cloth rubber gasbag 1's life, reduce curtain cloth rubber gasbag 1 sealed possibility of failing.
When the curtain cloth rubber air bag is actually used, the non-expansion bag wall 1-1 and the expansion bag wall 1-2 are both made of rubber, a large number of steel wire meshes are embedded in the non-expansion bag wall 1-1, so that the flexibility of the non-expansion bag wall is smaller than that of the expansion bag wall 1-2, and the steel wires are arranged in the non-expansion bag wall 1-1 and the expansion bag wall 1-2, so that the structural strength of the curtain cloth rubber air bag 1 can be effectively improved, the service life of the curtain cloth rubber air bag 1 is prolonged, and the possibility of breakage of the curtain cloth rubber air bag 1 is reduced.
In this embodiment, a plurality of elastic limiting members 7 for controlling the opening of the cord fabric rubber airbag 1 are arranged in the cord fabric rubber airbag 1, and steel wires are arranged in both the non-inflatable bag wall 1-1 and the inflatable bag wall 1-2.
In practical use, the elastic limiting pieces 7 are elastic connecting pieces, and the elastic limiting pieces 7 with different elasticity can be selected at each position of the cord fabric rubber air bag 1 according to requirements so as to finely control the shape of the cord fabric rubber air bag 1 after expansion, thereby improving the use effect of the cord fabric rubber air bag and having wide application range.
It should be noted that both ends of the elastic limiting member 7 are respectively fastened and connected to the non-inflatable bag wall 1-1 and the inflatable bag wall 1-2.
In this embodiment, the pre-buried air pipe 4 is provided with an air outlet, and the air outlet of the pre-buried air pipe 4 extends into the cord fabric rubber air bag 1.
Example 2
As shown in fig. 2, the present embodiment is different from embodiment 1 in that: the curtain cloth type air bag sealing device comprises a curtain cloth 15 and an auxiliary air bag 16 which are matched with each other, the auxiliary air bag 16 is arranged between the curtain cloth 15 and the portal steel ring 2, one side of the auxiliary air bag 16 close to the curtain cloth 15 is a non-expansion bag wall, and one side of the auxiliary air bag 16 close to the portal steel ring 2 is an expansion bag wall.
In actual use, for a stratum with better reinforcing quality, the sealing of the tunnel portal is mainly realized by the aid of the curtain cloth 15 and the auxiliary air bag 16, the wrapping tightness of the curtain cloth and the shield body 14 is increased, and the water-stopping effect is enhanced.
The curtain fabric 15 and the auxiliary air bag 16 are both made of rubber.
In this embodiment, the curtain cloth 15 and the auxiliary air bag 16 are fixed as a whole, the embedded air tube 4 is provided with an air outlet, and the air outlet of the embedded air tube 4 extends into the auxiliary air bag 16.
In actual use, the auxiliary air bag 16 is arranged on one side of the curtain cloth 15, so that the auxiliary air bag 16 can well assist the curtain cloth 15 in sealing the tunnel door.
In this embodiment, a plurality of elastic stoppers 7 for controlling the opening degree of the auxiliary airbag 16 are provided in the auxiliary airbag 16, and steel wires are provided in the curtain fabric 15, the non-inflatable wall of the auxiliary airbag 16, and the inflatable wall of the auxiliary airbag 16.
In practical use, the steel wire mesh arranged in the non-expansion bag wall of the auxiliary air bag 16 is more than that in the expansion bag wall, so that the rigidity of the non-expansion bag wall can be effectively increased.
Example 3
As shown in fig. 3, the present embodiment is different from embodiment 1 in that: the curtain cloth type air bag sealing device comprises a curtain cloth 15 and a plurality of micro air bags 17 matched with the curtain cloth 15, wherein the micro air bags 17 and the curtain cloth 15 are fixed into a whole and are arranged between the curtain cloth 15 and a shield 14.
During actual use, in the area with a weak water stopping link and a high water stopping requirement, the micro air bag 17 can be additionally arranged according to actual conditions, the wrapping tightness of the curtain cloth 15 and the shield body 14 is increased, and the water stopping effect is enhanced.
In this embodiment, the pre-buried air pipe 4 is provided with a plurality of air outlets, and the number of the air outlets is equal to that of the micro air bags 17 and corresponds to one another.
During the in-service use, pre-buried trachea 4 is formed by flexible material processing preparation, can buckle at will inside miniature gasbag 17, improves the whole flexibility of structure, prevents that pre-buried trachea 4 from breaking off in the work progress.
In this embodiment, an air pipe perforation hole matched with the pre-buried air pipe 4 is formed in the curtain cloth 15, so that the pre-buried air pipe 4 can be conveniently installed.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (10)
1. The utility model provides a portal curtain cloth formula abnormal shape stagnant water gasbag seal structure which characterized in that: the curtain cloth type air bag sealing device is closely attached to a tunnel portal steel ring (2), the pressing plate is arranged on the outer side of the curtain cloth type air bag sealing device, the curtain cloth type air bag sealing device and the pressing plate are fixedly connected with the tunnel portal steel ring (2) through a plurality of bolts (3), an embedded air pipe (4) is arranged on the curtain cloth type air bag sealing device, one or a plurality of air outlets are formed in the embedded air pipe (4), the air outlet end of the embedded air pipe (4) extends into an inner cavity of an air bag in the curtain cloth type air bag sealing device, an air inlet end of the embedded air pipe (4) extends out of the curtain cloth type air bag sealing device and is connected with an air compressor (6) through a high-pressure air pipe (5), a one-way valve (11) is arranged at one end, close to the embedded air pipe (4), of the high-pressure air pipe (5), and a barometer (12) and an electromagnetic valve switch (13) are arranged at one end of the high-pressure air pipe (5) close to the air compressor (6).
2. The portal curtain type special-shaped water stopping air bag sealing structure as claimed in claim 1, characterized in that: the pressing plate comprises a fixing circular ring (8) fixedly connected with the hole door steel ring (2) and a turning plate (10) connected to the inner end of the fixing circular ring (8) through a pin shaft (9), and a plurality of bolt holes for bolts (3) to penetrate are formed in the curtain cloth type air bag sealing device and the fixing circular ring (8).
3. The portal curtain type special-shaped water stopping air bag sealing structure as claimed in claim 1, characterized in that: the curtain cloth type air bag sealing device is a curtain cloth type rubber air bag (1), one side of the curtain cloth type rubber air bag (1) close to the pressing plate is a non-expansion bag wall (1-1), and one side of the curtain cloth type rubber air bag (1) close to the hole door steel ring (2) is an expansion bag wall (1-2).
4. The portal curtain type special-shaped water stopping air bag sealing structure as claimed in claim 3, characterized in that: a plurality of elastic limiting pieces (7) used for controlling the opening degree of the cord fabric rubber air bag (1) are arranged in the cord fabric rubber air bag (1), and steel wires are arranged in the non-expansion bag wall (1-1) and the expansion bag wall (1-2).
5. The portal curtain type special-shaped water stopping air bag sealing structure as claimed in claim 3, characterized in that: an air outlet is formed in the embedded air pipe (4), and the air outlet end of the embedded air pipe (4) extends into the cord fabric rubber air bag (1).
6. The portal curtain type special-shaped water stopping air bag sealing structure as claimed in claim 1, characterized in that: the curtain cloth type air bag sealing device comprises curtain cloth (15) and an auxiliary air bag (16) which are matched with each other, wherein the auxiliary air bag (16) is arranged between the curtain cloth (15) and the portal steel ring (2), one side of the auxiliary air bag (16) close to the curtain cloth (15) is a non-expansion bag wall, and one side of the auxiliary air bag (16) close to the portal steel ring (2) is an expansion bag wall.
7. The portal curtain type special-shaped water stopping air bag sealing structure as claimed in claim 6, characterized in that: the curtain cloth (15) and the auxiliary air bag (16) are fixed into a whole, an air outlet is formed in the embedded air pipe (4), and the air outlet end of the embedded air pipe (4) extends into the auxiliary air bag (16).
8. The portal curtain type special-shaped water stopping air bag sealing structure as claimed in claim 6, characterized in that: a plurality of elastic limiting pieces (7) used for controlling the opening degree of the auxiliary air bag (16) are arranged in the auxiliary air bag (16), and steel wires are arranged in the cord fabric (15), the non-expansion bag wall of the auxiliary air bag (16) and the expansion bag wall of the auxiliary air bag (16).
9. The portal curtain type special-shaped water stopping air bag sealing structure as claimed in claim 1, characterized in that: the curtain cloth type air bag sealing device comprises a curtain cloth (15) and a plurality of micro air bags (17) matched with the curtain cloth (15), wherein the micro air bags (17) and the curtain cloth (15) are fixed into a whole and are arranged between the curtain cloth (15) and a shield body (14).
10. The portal curtain type special-shaped water stopping air bag sealing structure as claimed in claim 9, characterized in that: the embedded air pipe (4) is provided with a plurality of air outlets, and the number of the air outlets is equal to that of the micro air bags (17) and corresponds to that of the micro air bags one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921327066.6U CN210370716U (en) | 2019-08-15 | 2019-08-15 | Sealing structure of portal curtain type special-shaped water stopping air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921327066.6U CN210370716U (en) | 2019-08-15 | 2019-08-15 | Sealing structure of portal curtain type special-shaped water stopping air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210370716U true CN210370716U (en) | 2020-04-21 |
Family
ID=70252066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921327066.6U Active CN210370716U (en) | 2019-08-15 | 2019-08-15 | Sealing structure of portal curtain type special-shaped water stopping air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210370716U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520157A (en) * | 2020-05-15 | 2020-08-11 | 中铁工程装备集团有限公司 | Bag type tunnel portal sealing device and using method thereof |
| CN111911171A (en) * | 2020-07-21 | 2020-11-10 | 中铁十一局集团有限公司 | Tunnel portal sealing device and method for shield launching |
| CN111980713A (en) * | 2020-07-30 | 2020-11-24 | 中铁十四局集团隧道工程有限公司 | Shield starting sealing device and method |
| CN115126511A (en) * | 2022-06-18 | 2022-09-30 | 中铁一局集团(广州)建设工程有限公司 | Water stopping device for pipe jacking construction hole |
-
2019
- 2019-08-15 CN CN201921327066.6U patent/CN210370716U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520157A (en) * | 2020-05-15 | 2020-08-11 | 中铁工程装备集团有限公司 | Bag type tunnel portal sealing device and using method thereof |
| CN111520157B (en) * | 2020-05-15 | 2022-07-05 | 中铁工程装备集团有限公司 | Bag type tunnel portal sealing device and using method thereof |
| CN111911171A (en) * | 2020-07-21 | 2020-11-10 | 中铁十一局集团有限公司 | Tunnel portal sealing device and method for shield launching |
| CN111980713A (en) * | 2020-07-30 | 2020-11-24 | 中铁十四局集团隧道工程有限公司 | Shield starting sealing device and method |
| CN115126511A (en) * | 2022-06-18 | 2022-09-30 | 中铁一局集团(广州)建设工程有限公司 | Water stopping device for pipe jacking construction hole |
| CN115126511B (en) * | 2022-06-18 | 2023-06-02 | 中铁一局集团(广州)建设工程有限公司 | Pipe jacking construction entrance to a cave sealing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210370716U (en) | Sealing structure of portal curtain type special-shaped water stopping air bag | |
| CN107947061B (en) | Wire fixing device | |
| CN207109811U (en) | Inflatable anchor pole | |
| ATE383976T1 (en) | AIRBAG AND ITS PRODUCTION PROCESS | |
| CN107489435A (en) | A kind of changeable type inflatable waterstop for Tunneling by mining method | |
| CN203547222U (en) | Crossed and communicated inflatable pipe for supporting tent | |
| CN220368456U (en) | Waterproof plugging device of cable duct | |
| CN111870322A (en) | Abdominal wall incision sealer for laparoscopic surgery | |
| CN109595463A (en) | A kind of bottle valve with air charging system | |
| CN216110832U (en) | Gas drainage hole packer | |
| CN215950767U (en) | Device for blocking and intercepting water of pipeline | |
| CN211408993U (en) | Hysteroscope sheath leak protection water installation | |
| CN207830665U (en) | A kind of inflating valve apparatus | |
| CN210346997U (en) | Joint for air tightness test outside full-pressure pipe | |
| CN212004378U (en) | Flexible cut-off equipment with seal structure | |
| CN206319374U (en) | Special-shaped closestool pressurized seal head | |
| CN212361249U (en) | A quick plugging device for fire hose | |
| CN216520283U (en) | Pipeline plugging air bag | |
| CN108859155A (en) | The trim panel of operation is facilitated to shore tooling | |
| CN114754220B (en) | Pipeline isolator and pipeline isolating method | |
| CN110465929A (en) | A kind of soft pneumatic worm robot of horizontal Three Degree Of Freedom modularization and preparation method thereof | |
| CN211973397U (en) | Air shield dam air bag inflation structure | |
| CN205586348U (en) | Back abdominal cavity gasbag extension fixture | |
| CN211174498U (en) | TPU inflating pump | |
| CN221761396U (en) | Steel pipe air bag for blocking stubbles of concrete beam-column joints |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |