CN213088010U - Large-diameter hole door sealing device with air bag - Google Patents
Large-diameter hole door sealing device with air bag Download PDFInfo
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- CN213088010U CN213088010U CN202020216866.7U CN202020216866U CN213088010U CN 213088010 U CN213088010 U CN 213088010U CN 202020216866 U CN202020216866 U CN 202020216866U CN 213088010 U CN213088010 U CN 213088010U
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- curtain cloth
- gasbag
- briquetting
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Abstract
The utility model discloses a take major diameter portal sealing device of gasbag relates to tunnel construction technical field, including external portal steel ring and a plurality of seal assembly, external portal steel ring and portal fixed connection, a plurality of seal assembly and external portal steel ring fixed connection, a plurality of seal assembly's lower surface all offsets with outside shield structure machine, seal assembly includes gasbag, portal curtain cloth, briquetting and flap, portal curtain cloth sets up on the briquetting surface, the flap sets up the lower surface at the briquetting, portal curtain cloth, briquetting and flap pass through bolt assembly fixed connection, the gasbag is fixed to be set up on portal curtain cloth upper surface, gasbag one end links to each other with the one end of portal curtain cloth, the gasbag spreads the portal curtain cloth surface all over. The hole door curtain cloth surface is provided with the gasbag in this application to aerify through the gasbag and realize sealed stagnant water, not only simple structure seals effectually moreover.
Description
Technical Field
The utility model relates to a tunnel construction technical field, in particular to take major diameter entrance to a cave sealing device of gasbag.
Background
In the process of tunnel driving construction of the shield tunneling machine, generally, a rubber cloth plate is arranged at the position of an initial opening of the tunnel shield construction to play a role of sealing, the cord fabric rubber plate is a flexible plate, one end of the cord fabric rubber plate is arranged on an annular frame of an opening, the other end of the cord fabric rubber plate is cantilevered and abutted against a duct piece of a tunnel, so that the initial opening of the tunnel is sealed, the movement of the shield tunneling machine in the tunnel is limited, a turning plate is also arranged at the position of an outdoor opening, one end of the turning plate is hinged to an opening steel ring of the opening, the other end of the turning plate is cantilevered and directed to the duct piece, the turning plate is close to the outer side of the initial opening, the cord fabric rubber plate is close to the inner side of the initial opening, after the shield tunneling machine tunnels, a shield body of the shield tunneling machine is far away from the turning plate and the cord fabric rubber plate, the cord fabric rubber plate and the turning plate are reset under the action of self elasticity, so, and then play sealed effect, nevertheless because the deformation of curtain cloth rubber slab self restores to the throne limited, lead to the deformation of curtain cloth rubber slab to restore to the throne slower or restore to the throne incomplete to make the board end of curtain cloth rubber slab and section of jurisdiction laminating compactness not high, and then cause the tunnel not high of the entrance to a cave leakproofness of originating.
SUMMERY OF THE UTILITY MODEL
For overcoming the not high problem of the tunnel's that originates entrance to a cave leakproofness that exists among the prior art, the utility model provides a take major diameter entrance to a cave sealing device of gasbag.
The specific technical scheme is as follows:
the utility model provides a take major diameter portal sealing device of gasbag, includes external portal steel loop and a plurality of seal assembly, external portal steel loop and portal fixed connection, it is a plurality of seal assembly and external portal steel loop fixed connection, it is a plurality of seal assembly's lower surface all offsets with outside shield structure machine, seal assembly includes gasbag, portal curtain cloth, briquetting and flap, the portal curtain cloth sets up on the briquetting surface, the flap sets up the lower surface at the briquetting, portal curtain cloth, briquetting and flap pass through bolt assembly fixed connection, the gasbag is fixed to be set up on portal curtain cloth upper surface, gasbag one end links to each other with the one end of portal curtain cloth, the gasbag spreads the portal curtain cloth surface all over.
Preferably, the external portal steel ring is fixedly arranged on the portal through a bolt assembly.
Preferably, the external portal steel ring comprises a plurality of sub steel rings which are fixedly connected through a bolt assembly.
Preferably, the external portal steel ring is provided with a plurality of gaps, and the sealing assemblies are sequentially arranged at the gaps.
Preferably, the width of the hole curtain cloth is 20 mm.
Compared with the prior art, the utility model following beneficial effect has:
(1) the hole door curtain cloth surface is provided with the gasbag in this application to aerify through the gasbag and realize sealed stagnant water, not only simple structure seals effectually moreover.
(2) External portal steel ring passes through bolt assembly fixed the setting on the portal in this application, need not pre-buried, convenient transportation and installation.
(3) External portal steel ring is provided with a plurality of breachs in this application, and is a plurality of seal assembly sets gradually in a plurality of scarce departments, and seal structure is connected more firmly with portal steel ring.
Drawings
Fig. 1 is a schematic structural view of a large-diameter tunnel door sealing device with an air bag according to the present invention;
fig. 2 is a schematic view of the mounting structure of the airbag in embodiment 2.
In the figure, 1-is externally connected with a portal steel ring, 2-is connected with a shield machine, 3-is connected with an air bag, 4-is connected with a portal curtain cloth, 5-is connected with a pressing block, 6-is connected with a hinge plate, and 7-is connected with a notch.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The utility model discloses a take major diameter portal sealing device of gasbag, including external portal steel ring 1 and a plurality of seal assembly, external portal steel ring 1 and portal fixed connection, a plurality of seal assembly and external portal steel ring 1 fixed connection, a plurality of seal assembly's lower surface all offsets with outside shield structure machine 2, and seal assembly includes gasbag 3, portal curtain cloth 4, briquetting 5 and flap 6, and portal curtain cloth 4 sets up on briquetting 5 surface, and flap 6 sets up the lower surface at briquetting 5, and portal curtain cloth 4, briquetting 5 and flap 6 pass through bolt assembly fixed connection. The hole door curtain cloth surface is provided with the gasbag in this application to aerify through the gasbag and realize sealed stagnant water, not only simple structure seals effectually moreover. A rubber sealing ring is arranged between the external portal steel ring 1 and the portal, and the external portal steel ring 1 and the portal are fixedly connected through a bolt assembly. The external steel 1 ring comprises a plurality of sub-steel rings, rubber sealing rings are arranged between the sub-steel rings, and the sub-steel rings are fixedly connected through bolt assemblies.
Example 1:
as shown in fig. 1, the airbag 3 is fixedly arranged on the upper surface of the hole curtain cloth 4, one end of the airbag 3 is connected with one end of the hole curtain cloth 4, and the airbag 3 is distributed on the surface of the hole curtain cloth 4. External portal steel ring 1 passes through bolt assembly fixed the setting on the portal, and external portal steel ring passes through bolt assembly fixed the setting on the portal in this application, need not pre-buried, convenient transportation and installation. The external portal steel ring 1 comprises a plurality of sub steel rings which are fixedly connected through a bolt assembly. External portal steel ring 1 is provided with a plurality of breachs 7, and a plurality of seal assembly set gradually in a plurality of breach 7 departments, and a plurality of seal assembly set gradually in this application are in a plurality of departments that lack, and seal structure is connected more firmly with portal steel ring. The hole door curtain cloth 4 is a rubber ring, and the width of the hole door curtain cloth is 20 mm.
Example 2:
as shown in figure 2, the air bag 3 is fixedly arranged at the tail end of the hole door curtain cloth 4, the surface of the air bag 3 is provided with an inflating nozzle, when sealing is needed, the air bag 3 at the tail end is inflated only, so that the sealing effect can be achieved, the cost is saved, and the installation efficiency is improved. The external portal steel ring 1 is fixedly arranged on the portal through a bolt component. The external portal steel ring 1 comprises a plurality of sub steel rings which are fixedly connected through a bolt assembly. The external portal steel ring 1 is provided with a plurality of gaps 7, and a plurality of sealing components are sequentially arranged at the gaps 7. The hole door curtain cloth 4 is a rubber ring, and the width of the hole door curtain cloth is 20 mm.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (5)
1. The utility model provides a take major diameter entrance to a cave sealing device of gasbag which characterized in that: including external portal steel loop and a plurality of seal assembly, external portal steel loop and portal fixed connection, it is a plurality of seal assembly and external portal steel loop fixed connection, it is a plurality of seal assembly's lower surface all offsets with outside shield structure machine, seal assembly includes gasbag, portal curtain cloth, briquetting and flap, the portal curtain cloth sets up on the briquetting surface, the flap sets up the lower surface at the briquetting, portal curtain cloth, briquetting and flap pass through bolt assembly fixed connection, the gasbag is fixed to be set up on portal curtain cloth upper surface, gasbag one end links to each other with the one end of portal curtain cloth, the gasbag spreads the portal curtain cloth surface all over.
2. The inflatable large-diameter hole door sealing device according to claim 1, wherein: and a rubber sealing ring is arranged between the external portal steel ring and the portal, and the external portal steel ring is fixedly connected with the portal through a bolt assembly.
3. The inflatable large-diameter hole door sealing device according to claim 2, wherein: the external portal steel ring comprises a plurality of sub steel rings, rubber sealing rings are arranged among the plurality of sub steel rings, and the plurality of sub steel rings are fixedly connected through bolt assemblies.
4. The inflatable large-diameter hole door sealing device according to claim 2, wherein: the external portal steel ring is provided with a plurality of gaps, and the sealing assemblies are sequentially arranged at the gaps.
5. The inflatable large-diameter hole door sealing device according to claim 1, wherein: the width of the hole door curtain cloth is 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216866.7U CN213088010U (en) | 2020-02-26 | 2020-02-26 | Large-diameter hole door sealing device with air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216866.7U CN213088010U (en) | 2020-02-26 | 2020-02-26 | Large-diameter hole door sealing device with air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213088010U true CN213088010U (en) | 2021-04-30 |
Family
ID=75600171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020216866.7U Active CN213088010U (en) | 2020-02-26 | 2020-02-26 | Large-diameter hole door sealing device with air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213088010U (en) |
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2020
- 2020-02-26 CN CN202020216866.7U patent/CN213088010U/en active Active
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