CN204703930U - Shield launching hole sealing device - Google Patents
Shield launching hole sealing device Download PDFInfo
- Publication number
- CN204703930U CN204703930U CN201520448829.8U CN201520448829U CN204703930U CN 204703930 U CN204703930 U CN 204703930U CN 201520448829 U CN201520448829 U CN 201520448829U CN 204703930 U CN204703930 U CN 204703930U
- Authority
- CN
- China
- Prior art keywords
- steel loop
- plate
- ring flat
- concrete structure
- sealing device
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 93
- 239000010959 steel Substances 0.000 claims abstract description 93
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000005641 tunneling Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Revetment (AREA)
Abstract
A kind of shield launching hole sealing device, an end face of revetment is provided with reserved circular hole, the excircle at reserved circular hole is provided with concrete structure wall, concrete structure is provided with pre-buried connecting reinforcement within the walls, nut shrouding, embedded nut, the right-hand member of concrete structure wall is provided with pre-buried steel loop, the right side of pre-buried steel loop is provided with prolongation steel loop, the right side extending steel loop is provided with sealed rubber plate, the right side of sealed rubber plate is provided with fixing ring flat-plate, the right side of fixing ring flat-plate is provided with the fan-shaped pressing plate of folding paper, this equipment safety is reliable, efficiency is high, easy to use, little to surrounding environment influence, can be applicable to rich water soft stratum geology tunneling shield to start hole sealing device.
Description
Technical field
The utility model belongs to shield tunnel construction machines or device technique field, is specifically related to shield launching hole sealing device.
Background technology
Shield construction, because its safety, efficiency are high, convenient, attractive in appearance and to main features such as surrounding environment influence are little, is commonly used in municipal tunnel engineering construction at present at home.Wherein during shield launching, hole seal construction is one of its key link.Because the security incidents such as the Sand that hole sealing problem causes happen occasionally, the harm caused by it and loss are also very serious.Traditional hole hermetically-sealed construction is primarily of the pre-buried steel loop in hole, fixing seal rubber tile, the fixing composition such as ring flat-plate, the fan-shaped pressing plate of folding paper.But the technical problem that traditional hole sealing device runs into when cannot solve shield launching completely, as: the longitudinal space after structural wall thickness and revetment cut cannot meet shield cutter and anterior shield otch enters in sealed rubber plate completely.In current municipal Shield construction drawing design, hole sealed waterproof device generally adopts the fan-shaped pressing plate of folding paper to add cord form of rubber, namely fan-shaped for folding paper pressing plate is pressed on sealed rubber plate by fixing ring flat-plate, then is bolted on the pre-buried steel loop in hole.The shortcoming of traditional hole hermetically-sealed construction is when structural wall thickness is too small, after portal revetment cuts, cutterhead and anterior shield otch cannot enter in the sealed rubber plate of hole completely, by destruction meeting hole sealed rubber plate after cutterhead rotates, cause silt particle and underground water directly from the gap of cutterhead and rubber tile and anterior shield incision and outflow, there is water burst and gush mud accident, there is serious security risk.
Summary of the invention
Technical problem to be solved in the utility model is the deficiency overcoming above-mentioned shield launching hole sealing device, provide a kind of safe and reliable, efficiency is high, easy to use, little to surrounding environment influence hole sealing device.
Solving the problems of the technologies described above adopted technical scheme is: the end face of revetment is provided with reserved circular hole, the excircle at reserved circular hole is provided with concrete structure wall, concrete structure is provided with pre-buried connecting reinforcement, nut shrouding, embedded nut within the walls, the right-hand member of concrete structure wall is provided with pre-buried steel loop, the right side of pre-buried steel loop is provided with prolongation steel loop, the right side extending steel loop is provided with sealed rubber plate, the right side of sealed rubber plate is provided with fixing ring flat-plate, and the right side of fixing ring flat-plate is provided with the fan-shaped pressing plate of folding paper.
Prolongation steel loop of the present utility model is: on spreading steel loop excircle, be provided with steel loop floor, both ends of the surface are provided with termination and fix ring flat-plate.
The circular steel loop of spreading steel loop of the present utility model to be thickness be 450mm ~ 480mm, the inside radius of spreading steel loop is 3300mm ~ 3320mm, outer radius is 3310mm ~ 3330mm; The steel plate of steel loop floor to be thickness be 8mm ~ 12mm; The circular ring type steel plate of ring flat-plate is fixed in termination to be thickness be 15mm ~ 25mm, the outer radius that ring flat-plate is fixed in termination is 3450mm ~ 3470mm, inside radius is 3300mm ~ 3320mm.
Because the utility model is taked to increase by an elongated segment steel loop in traditional hole sealing system, original steel loop is extended, prolongation steel loop one end is installed on the pre-buried steel loop of hole headwall, in prolongation steel loop other one end, sealed rubber plate is installed, hole sealing system is jointly formed like this by sealed rubber plate and prolongation steel loop, guarantee, in the hole sealing cord that the otch of cutterhead and anterior shield can enter completely, to reach the object of safety driving.This equipment safety is reliable, efficiency is high, easy to use, little to surrounding environment influence, can be applicable to hole sealing device when shield tunnel starts.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the front view extending steel loop 6 in Fig. 1.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the A-A sectional view of Fig. 2.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, but the utility model is not limited to these embodiments.
In FIG, the utility model is made up of concrete structure wall 1, pre-buried connecting reinforcement 2, nut shrouding 3, embedded nut 4, pre-buried steel loop 5, prolongation steel loop 6, sealed rubber plate 7, fixing ring flat-plate 8, the fan-shaped pressing plate of folding paper 9, reserved circular hole 10, revetment 11 connection.
At Fig. 1, an end face of revetment 11 is provided with reserved circular hole 10, the excircle at reserved circular hole 10 is provided with concrete structure wall 1, build in concrete structure wall 1 and be fixed with pre-buried connecting reinforcement 2, nut shrouding 3, embedded nut 4, build in reserved circular hole 10 excircle concrete structure wall 1 and be fixed with pre-buried steel loop 5, the outer face of pre-buried steel loop 5 and the right side of concrete structure wall 1 are in same plane, pre-buried steel loop 5 is processed with central through hole, the size of central through hole is specifically determined according to the size of bolt, the outer face screw threads for fastening connector of pre-buried steel loop 5 is fixedly connected to be provided with and extends steel loop 6, the geometry extending steel loop 6 is circular.
Fig. 2,3,4 gives in the present embodiment the structural representation extending steel loop 6.In Fig. 1,2,3,4, the prolongation steel loop 6 of the present embodiment fixes ring flat-plate 6-1, steel loop floor 6-2 by termination, spreading steel loop 6-3 connects and composes.The circular steel loop of the spreading steel loop 6-3 of the present embodiment to be length be 480mm, the inside radius of spreading steel loop 6-3 is 3310mm, outer radius is 3320mm, the excircle of spreading steel loop 6-3 is laid spacing and is 6 ° and is evenly fixedly connected and is provided with steel loop floor 6-2, the steel plate of steel loop floor 6-2 to be thickness be 10mm, the end face of spreading steel loop 6-3 is fixedly installed by welding with termination and fixes ring flat-plate 6-1, the circular ring type steel plate of ring flat-plate 6-1 is fixed in termination to be thickness be 20mm, the outer radius that ring flat-plate 6-1 is fixed in termination is 3460mm, inside radius is 3310mm, termination is fixed the cloth apertured heart on ring flat-plate 6-1 and is evenly processed with screw apart from being 3 °.The right side screw threads for fastening connector extending steel loop 6 is fixedly connected and is provided with sealed rubber plate 7, the geometry of sealed rubber plate 7 is annular, the right side screw threads for fastening connector of sealed rubber plate 7 is fixedly connected and is provided with fixing ring flat-plate 8, the geometry of fixing ring flat-plate 8 is annular, and the right side thread connection securing member of fixing ring flat-plate 8 is fixedly connected and is provided with the fan-shaped pressing plate 9 of folding paper.
Embodiment 2
In above-described embodiment 1, the geometry extending steel loop 6 is circular, extend steel loop 6 and fix ring flat-plate 6-1 by termination, steel loop floor 6-2, spreading steel loop 6-3 connects and composes, the circular steel loop of spreading steel loop 6-3 to be length be 450mm, the inside radius of spreading steel loop 6-3 is 3300mm, outer radius is 3310mm, the excircle of spreading steel loop 6-3 is laid spacing and is 6 ° and is evenly fixedly connected and is provided with steel loop floor 6-2, the steel plate of steel loop floor 6-2 to be thickness be 8mm, the end face of spreading steel loop 6-3 is fixedly installed by welding with termination and fixes ring flat-plate 6-1, the circular ring type steel plate of ring flat-plate 6-1 is fixed in termination to be thickness be 15mm, the outer radius that ring flat-plate 6-1 is fixed in termination is 3450mm, inside radius is 3300mm, termination is fixed and ring flat-plate 6-1 lays pitch of holes is 3 ° and is evenly processed with screw, the annexation of all the other each component and component is identical with embodiment 1.
Embodiment 3
In above-described embodiment 1, the geometry extending steel loop 6 is circular, extend steel loop 6 and fix ring flat-plate 6-1 by termination, steel loop floor 6-2, spreading steel loop 6-3 connects and composes, the circular steel loop of spreading steel loop 6-3 to be length be 510mm, the inside radius of spreading steel loop 6-3 is 3320mm, outer radius is 3330mm, the excircle of spreading steel loop 6-3 is laid spacing and is 6 ° and is evenly fixedly connected and is provided with steel loop floor 6-2, the steel plate of steel loop floor 6-2 to be thickness be 12mm, the end face of spreading steel loop 6-3 is fixedly installed by welding with termination and fixes ring flat-plate 6-1, the circular ring type steel plate of ring flat-plate 6-1 is fixed in termination to be thickness be 25mm, the outer radius of fixing ring flat-plate 6-1 is 3470mm, inside radius is 3320mm, fixing ring flat-plate 6-1 upper laying pitch of holes is 3 ° and is evenly processed with screw, the annexation of all the other each component and component is identical with embodiment 1.
Utility model works principle is as follows:
Gross thickness due to concrete structure wall 1 and revetment 11 is less than the longitudinal length of cutterhead and anterior shield otch, making the anterior shield otch when cutterhead is against stratum, stabilization zone still all cannot enter into reserved circular hole 10 seals in heavy curtain system, cutterhead cannot rotate, in portal sealing system, increase by an elongated segment steel loop 6, original steel loop is extended, extending steel plate ring one end is installed on the pre-buried steel loop 5 of portal headwall, one end is installed by sealed rubber plate 7 in addition at prolongation steel loop 6, portal sealing system is jointly formed like this by sealed rubber plate 7 and prolongation steel loop 6, guarantee in the hole sealing cord that the otch of cutterhead and anterior shield can enter completely, reach the object of safety driving.
Claims (3)
1. a shield launching hole sealing device, the end face of revetment (11) is provided with reserved circular hole (10), the excircle at reserved circular hole (10) is provided with concrete structure wall (1), pre-buried connecting reinforcement (2) is provided with in concrete structure wall (1), nut shrouding (3), embedded nut (4), the right-hand member of concrete structure wall (1) is provided with pre-buried steel loop (5), it is characterized in that: the right side of pre-buried steel loop (5) is provided with and extends steel loop (6), the right side extending steel loop (6) is provided with sealed rubber plate (7), the right side of sealed rubber plate (7) is provided with fixing ring flat-plate (8), the right side of fixing ring flat-plate (8) is provided with the fan-shaped pressing plate of folding paper (9).
2. shield launching hole according to claim 1 sealing device, is characterized in that described prolongation steel loop (6) is: on spreading steel loop (6-3) excircle, be provided with steel loop floor (6-2), both ends of the surface are provided with termination and fix ring flat-plate (6-1).
3. shield launching hole according to claim 2 sealing device, it is characterized in that: the circular steel loop of described spreading steel loop (6-3) to be thickness be 450mm ~ 480mm, the inside radius of spreading steel loop (6-3) is 3300mm ~ 3320mm, outer radius is 3310mm ~ 3330mm; The steel plate of steel loop floor (6-2) to be thickness be 8mm ~ 12mm; The circular ring type steel plate of ring flat-plate (6-1) is fixed in termination to be thickness be 15mm ~ 25mm, the outer radius that ring flat-plate (6-1) is fixed in termination is 3450mm ~ 3470mm, inside radius is 3300mm ~ 3320mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520448829.8U CN204703930U (en) | 2015-06-26 | 2015-06-26 | Shield launching hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520448829.8U CN204703930U (en) | 2015-06-26 | 2015-06-26 | Shield launching hole sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204703930U true CN204703930U (en) | 2015-10-14 |
Family
ID=54283553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520448829.8U Expired - Fee Related CN204703930U (en) | 2015-06-26 | 2015-06-26 | Shield launching hole sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204703930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561140A (en) * | 2018-05-04 | 2018-09-21 | 中国建筑第四工程局有限公司 | A kind of Shield-bored tunnels extend steel loop and originate construction method |
| CN111058861A (en) * | 2019-12-10 | 2020-04-24 | 中铁十四局集团隧道工程有限公司 | Hole structure |
-
2015
- 2015-06-26 CN CN201520448829.8U patent/CN204703930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561140A (en) * | 2018-05-04 | 2018-09-21 | 中国建筑第四工程局有限公司 | A kind of Shield-bored tunnels extend steel loop and originate construction method |
| CN111058861A (en) * | 2019-12-10 | 2020-04-24 | 中铁十四局集团隧道工程有限公司 | Hole structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 |
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| CF01 | Termination of patent right due to non-payment of annual fee |