CN220336913U - Multistage sealing water stopping device for shield tunneling machine starting door opening - Google Patents
Multistage sealing water stopping device for shield tunneling machine starting door opening Download PDFInfo
- Publication number
- CN220336913U CN220336913U CN202321800711.8U CN202321800711U CN220336913U CN 220336913 U CN220336913 U CN 220336913U CN 202321800711 U CN202321800711 U CN 202321800711U CN 220336913 U CN220336913 U CN 220336913U
- Authority
- CN
- China
- Prior art keywords
- water stop
- sealing
- sealing water
- door opening
- main body
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 230000005641 tunneling Effects 0.000 title claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 210000004712 air sac Anatomy 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a multistage sealing water stopping device for an originating door opening of a shield machine, which comprises an external sealing water stopping component and an internal sealing water stopping component which are arranged on an annular main body structure along the travelling direction of the shield machine, wherein the external sealing water stopping component comprises an air bag sealing layer and a combined sealing layer which are arranged in parallel, the air bag sealing layer comprises an inflatable and deflatable safety air bag which is arranged in an annular manner, and the combined sealing layer comprises a turning plate component and a curtain cloth which are used for sealing; the internal sealing water stop assembly comprises a water stop steel plate. After the structural design of the multistage sealing water stop device for the shield machine starting gate opening is applied, the sealing effect of the gate can be effectively ensured when the shield machine starts even in a small-radius and large-gradient interval, and the safety and reliability of the shield machine in starting are ensured.
Description
Technical Field
The utility model relates to the field of tunnel construction by a shield method, in particular to a multistage sealing water stop device for an originating door opening of a shield machine.
Background
At present, curtain cloth rubber is generally adopted as a tunnel portal sealing device in the construction of a shield tunnel, so that safety risks such as leakage, water burst and the like of a shield entering and exiting tunnel are reduced. But in the small-radius and large-gradient section, the horizontal direction and the vertical direction of the shield are not vertical to the sealing device of the tunnel portal when the shield starts to receive, and the sealing effect of the tunnel portal is difficult to ensure.
Disclosure of Invention
The utility model aims to provide a multistage sealing water stop device for an originating door opening of a shield machine, which solves one or more of the problems in the prior art.
The utility model provides a multistage sealing water-stopping device for a shield machine starting door opening, which comprises an external sealing water-stopping component and an internal sealing water-stopping component which are arranged on an annular main body structure along the travelling direction of the shield machine,
the external sealing water-stopping assembly comprises an air sac sealing layer and a combined sealing layer which are arranged in parallel, wherein the air sac sealing layer comprises an inflatable and deflatable safety air sac which is arranged in a ring shape, and the combined sealing layer comprises a flap plate assembly and curtain cloth for sealing;
the internal sealing water stop assembly comprises a water stop steel plate.
In some embodiments, one side end of the main body structure is connected with the enclosure structure, the other side end of the main body structure is connected with the external sealing water stop component, and the internal sealing water stop component is arranged on the inner side wall of the main body structure.
In some embodiments, the internal sealing water stop assembly includes two water stop steel plates and a filler filled between the two water stop steel plates.
In some embodiments of the present utility model, in some embodiments,
the water-stopping steel plate is an L-shaped water-stopping steel plate, and the transverse part of the water-stopping steel plate is connected with the inner side wall of the main body structure to form a ring;
the two water-stopping steel plates are arranged in parallel, and the distance between the two water-stopping steel plates is 10-15 cm;
the filler comprises sponge strips and/or cotton wool.
In some embodiments, the air bag sealing layer comprises a short sleeve, the outer side end surface of the air bag is connected with the inner side wall of the short sleeve, an air hole is formed in the air bag, an air pipe is arranged on the air hole, one side end part of the air pipe penetrates out of the short sleeve to be connected with a valve, and the air conveying direction of the air pipe is controlled through the valve, so that the air bag can be inflated and deflated.
In some embodiments, two side ends of the short sleeve in the traveling direction of the shield machine are respectively connected with a combined sealing layer, wherein the combined sealing layer is arranged between the short sleeve and the main body structure and is connected with the short sleeve and the main body structure.
In some embodiments, the short sleeve is removable from the combined sealing layer, as is the short sleeve from the main body structure.
In some embodiments, the flap assemblies and the curtain in the combined sealing layer are sequentially arranged along the travelling direction of the shield machine.
In some embodiments, the flap assembly includes a circular ring plate connected to the short sleeve and/or the body structure, a flap disposed along an inner ring of the circular ring plate, the flap being hinged to the circular ring plate. The multistage sealing water stop device for the shield tunneling machine starting door opening has the advantages that: the sealing and water stopping effects of the tunnel portal are enhanced, and the safety and reliability of the shield tunneling machine in starting are ensured; and the sealing water stopping effect when the shield machine starts in the small-radius and large-gradient interval is achieved, and the application range of the multistage sealing water stopping device for the front shield machine starting door opening is enlarged.
Drawings
FIG. 1 is a schematic structural view of a multistage sealing water stop device for an initial door opening of a shield body passing through a front shield machine according to some embodiments of the present utility model;
FIG. 2 is an enlarged view of portion A-a of FIG. 1;
FIG. 3 is a schematic structural view of a multistage sealing water stop device for a shield body through an initial door opening of a middle shield machine according to some embodiments of the present utility model;
FIG. 4 is an enlarged view of portion A-b of FIG. 3;
FIG. 5 is a schematic structural view of a multi-stage sealing water stop device for an initial door opening of a shield machine after segment assembly according to some embodiments of the present utility model;
fig. 6 is an enlarged view of the portion a-c of fig. 5.
In the figure: 1. the building protection device comprises an enclosure structure, 2, a main body structure, 3, a filler, 4, a water stop steel plate, 5, a short sleeve, 6, curtain cloth, 7, a turning plate, 701, a circular ring plate, 702, a double-end stud, 703, a gasket, 704, a nut, 8, an air bag, 9, a valve, 10, a shield body, 11 and lining segments.
Detailed Description
The utility model discloses a multistage sealing water stop device for a shield machine starting door opening, which is combined with the contents shown in figures 1-6, and comprises an external sealing water stop component and an internal sealing water stop component which are arranged on an annular main body structure 2 connected with an enclosure structure 1 at the door along the traveling direction of the shield machine,
the external sealing water-stopping component is arranged on the end face of one side of the annular main body structure 2 far away from the enclosure structure 1, and comprises an air sac sealing layer and a combined sealing layer which are arranged in parallel,
the air bag sealing layer comprises a short sleeve 5 and an inflatable and deflatable air bag 8 annularly arranged along the inner side wall of the short sleeve 5, the outer side end face of the air bag 8 is connected with the inner side wall of the short sleeve 5, the inner side wall of the short sleeve 5 is a face, close to one side of the shield machine, on the inner side wall of the short sleeve 5, the outer side end face of the air bag 8 is a face which is not in contact with the shield machine, an air hole is formed in the air bag 8, an air pipe is arranged on the air hole, one side end part of the air pipe penetrates out of the short sleeve 5 to be connected with a valve 9, the air conveying direction of the air pipe is controlled through the valve 9, and inflation and deflation of the air bag are achieved, wherein the air bag 8 can be made of rubber, so that the air bag 8 has elasticity and a telescopic space;
the two side ends of the short sleeve 5 are respectively connected with a combined sealing layer in the traveling direction of the shield machine, the combined sealing layer close to one side of the main structure is arranged between the short sleeve 5 and the main structure 2, the combined sealing layer is connected with the short sleeve 5 and the main structure 2, the combined sealing layer comprises a sealing flap component and a curtain cloth 6 which are sequentially arranged along the traveling direction of the shield machine, the flap component comprises a circular plate 701 connected with the short sleeve 5 and/or the main structure 2, a flap 7 arranged along the inner ring of the circular plate 701, the flap 7 is hinged with the circular plate 701, a rebound elastic device can be arranged at the hinged position, and after the shield body completely enters the separation flap, the gap between the shield machine shell and the lining segment is timely sealed through the rebound device, so that the water stopping effect is ensured;
the inner sealing water stop component is arranged on the inner side wall of the main body structure 2 and comprises two water stop steel plates 4 which are arranged in parallel with each other and a filler 3 filled between the two water stop steel plates 4, wherein
The inner side wall of the main body structure 2 is a surface, close to one side of the shield machine, of the main body structure 2;
the water-stop steel plate 4 is an L-shaped water-stop steel plate, and the transverse part of the water-stop steel plate 4 is welded with the full section of the inner side wall of the main body structure 2 into a ring. The L-shaped water stop steel plate can be processed in a factory.
In some specific embodiments, the distance between the two water stop steel plates 4 is 10-15 cm; the filling 3 comprises sponge strips and/or cotton wool.
In some embodiments, the short sleeve 5 is removable from the combined sealing layer, as is the short sleeve 5 from the body structure 2, such as: connecting holes are correspondingly formed in the short sleeve 5 and the main body structure 2, one side end of the combined sealing layer close to one side of the main body structure is inserted into the connecting holes of the main body structure 2 by using a double-end stud 702 and is fixed by using a nut, then the curtain cloth 6, the annular plate 701 and the short sleeve 5 are sequentially penetrated onto the double-end stud 702, and finally the combined sealing layer is fixed by using the nut 704; the other combined sealing layer is formed by inserting one side end of the combined sealing layer into a connecting hole of the short sleeve 5 by using a stud 702, fixing the combined sealing layer by using a nut, sequentially penetrating the curtain cloth 6, the annular plate 701 and the gasket 703 onto the stud 702, and finally fixing the combined sealing layer by using the nut.
The working principle of the multistage sealing water stop device for the initial door opening of the shield tunneling machine is as follows:
in combination with the contents shown in fig. 3 and 4, in the process of re-entering the tunnel portal of the shield machine, the combined sealing layer and the internal sealing water stop component are tightly attached to the surface of the shield body 10 of the shield machine, so that the water source outside the shield machine is blocked in time;
in combination with the contents shown in fig. 5 and 6, after the shield tunneling machine completely enters the tunnel portal and the segment assembly at the tunnel portal is completed, the air bag 8 in the short sleeve is pressurized and inflated through the valve 9 arranged on the outer wall of the short sleeve 5, and the pressure is controlled to be 0.2-0.3 megapascals, so that the air bag 8 is tightly attached to the assembled lining segment 11, and the water flow between the outer side of the lining segment 11 and the tunnel portal is blocked. The above-mentioned undisclosed matters can be directly implemented by adopting the prior art, so they are not described in detail herein. The foregoing is merely illustrative of some embodiments of the utility model, and it will be appreciated by those skilled in the art that various other similar modifications and changes can be made without departing from the inventive concept, which is also intended to be considered as being within the scope of the utility model.
Claims (9)
1. A multistage sealing water stopping device for a shield machine starting door opening is characterized by comprising an external sealing water stopping component and an internal sealing water stopping component which are arranged on an annular main body structure (2) along the travelling direction of the shield machine,
the external sealing water-stopping assembly comprises an air bag sealing layer and a combined sealing layer which are arranged in parallel, wherein the air bag sealing layer comprises an inflatable and deflatable safety air bag (8) which is arranged in a ring shape, and the combined sealing layer comprises a flap assembly for sealing and a curtain cloth (6);
the internal sealing water stop assembly comprises a water stop steel plate (4).
2. The multistage sealing water stop device for the shield tunneling machine starting door opening according to claim 1, wherein one side end part of the main body structure (2) is connected with an enclosure structure, the other side end part of the main body structure (2) is connected with the external sealing water stop component, and the internal sealing water stop component is arranged on the inner side wall of the main body structure (2).
3. The multistage sealing water stop device for the shield machine originating door opening according to claim 1 or 2, wherein the internal sealing water stop assembly comprises two water stop steel plates (4) and a filler (3) filled between the two water stop steel plates (4).
4. The multistage sealing water stop device for the shield tunneling machine starting door opening according to claim 3,
the water-stopping steel plate (4) is an L-shaped water-stopping steel plate, and the transverse part of the water-stopping steel plate (4) is connected with the inner side wall of the main body structure (2) to form a ring;
the two water-stopping steel plates (4) are arranged in parallel, and the distance between the two water-stopping steel plates (4) is 10-15 cm;
the filling (3) comprises sponge strips and/or cotton wool.
5. The multistage sealing water stop device for the shield tunneling machine starting door opening according to claim 1 or 2, wherein the air bag sealing layer comprises a short sleeve (5), the outer side end surface of the air bag (8) is connected with the inner side wall of the short sleeve (5), an air hole is formed in the air bag (8), an air pipe is arranged on the air hole, and one side end part of the air pipe penetrates out of the short sleeve (5) to be connected with a valve (9).
6. The multistage sealing water stop device for the shield machine starting door opening according to claim 5, wherein two side ends of the short sleeve (5) are respectively connected with a combined sealing layer in the traveling direction of the shield machine, wherein the combined sealing layer is arranged between the short sleeve (5) and the main body structure (2) and is connected with the short sleeve (5) and the main body structure (2).
7. The multistage sealing water stop device for a shield machine originating door opening according to claim 6, characterized in that the short sleeve (5) and the combined sealing layer are detachable, and the short sleeve (5) and the main body structure (2) are also detachable.
8. The multistage sealing water stop device for the shield tunneling machine starting door opening according to claim 6, wherein the flap component and the curtain cloth (6) in the combined sealing layer are sequentially arranged along the traveling direction of the shield tunneling machine.
9. The multistage sealing water stop device for a shield tunneling machine starting door opening according to claim 6, wherein the flap assembly comprises a circular ring plate (701) connected with a short sleeve (5) and/or a main body structure (2), and a flap (7) arranged along the inner ring of the circular ring plate (701), and the flap (7) is hinged with the circular ring plate (701).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321800711.8U CN220336913U (en) | 2023-07-10 | 2023-07-10 | Multistage sealing water stopping device for shield tunneling machine starting door opening |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321800711.8U CN220336913U (en) | 2023-07-10 | 2023-07-10 | Multistage sealing water stopping device for shield tunneling machine starting door opening |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220336913U true CN220336913U (en) | 2024-01-12 |
Family
ID=89458493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321800711.8U Active CN220336913U (en) | 2023-07-10 | 2023-07-10 | Multistage sealing water stopping device for shield tunneling machine starting door opening |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220336913U (en) |
-
2023
- 2023-07-10 CN CN202321800711.8U patent/CN220336913U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207298150U (en) | A kind of safety-type chemical petroleum plumbing installation | |
CN203891899U (en) | Hollow filling-type rubber gasket | |
CN220336913U (en) | Multistage sealing water stopping device for shield tunneling machine starting door opening | |
CN204781016U (en) | Gasbag formula open trench tunnel movement joint seal structure | |
CN102794282B (en) | Isobaric inflatable seal joint device for cleaning internal wall of tube | |
CN102678133B (en) | Device and method for stopping water when heading device enters into receiving well | |
CN104373597B (en) | A kind of inflatable seal bar | |
CN111828094A (en) | Deep-buried earth pressure balance shield hole-entering double-air-bag sealing device and sealing method thereof | |
CN209976365U (en) | Protective sealing door | |
CN204922057U (en) | Pneumatic knife gate of gas sealed | |
CN214697948U (en) | Mining inflatable air bag | |
CN213333062U (en) | Quick pipeline repairing device | |
CN206661624U (en) | Casting-pipe inner wall coated lining cement layer bellmouth Inflatted rubber tyre | |
CN111911171B (en) | Tunnel portal sealing device and method for shield launching | |
CN111305853B (en) | Shield tail leakage stopping method in shield construction | |
CN202810865U (en) | Water-stopping device used when excavating equipment enters receiving well | |
CN207331850U (en) | Fire hydrant emergency leakage blocking device is used in a kind of municipal administration | |
CN111287758A (en) | Shield tail plugging device in shield construction | |
CN218991631U (en) | Starting well opening water stopping device for pipe jacking construction | |
CN113653495B (en) | Method and emergency device for preventing water and sand from rushing from shield tail | |
CN215371543U (en) | Pipe orifice plugging device for building drainage | |
CN109707855A (en) | It is a kind of novel to folder butterfly valve | |
CN220470026U (en) | Mining gasbag of structure is prevented puncturing in utensil | |
CN206246882U (en) | A kind of automobile tire inflation/deflation T connector | |
CN218063578U (en) | Sealing element structure for nuclear power station |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |