CN110273698A - A kind of pre-buried steel loop water-stopping system of gasbag-type - Google Patents
A kind of pre-buried steel loop water-stopping system of gasbag-type Download PDFInfo
- Publication number
- CN110273698A CN110273698A CN201910675799.7A CN201910675799A CN110273698A CN 110273698 A CN110273698 A CN 110273698A CN 201910675799 A CN201910675799 A CN 201910675799A CN 110273698 A CN110273698 A CN 110273698A
- Authority
- CN
- China
- Prior art keywords
- ring
- shaped rubber
- air bag
- collapsible
- air pump
- 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.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 58
- 239000010959 steel Substances 0.000 title claims abstract description 58
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 abstract description 12
- 239000004576 sand Substances 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/381—Setting apparatus or devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
This patent is related to shield method tunnel construction field, specifically a kind of pre-buried steel loop water-stopping system of gasbag-type, it include the pre-buried steel ring body of steel cylinder and hole ring composition, air pump, the collapsible gentle pump control system of ring-shaped rubber air bag, steel cylinder disposed inboard has several for measuring the pressure sensor of mud pressure, circumferentially direction is provided with annular recess on the inside of steel cylinder, and collapsible ring-shaped rubber air bag is arranged in groove, collapsible ring-shaped rubber air bag is communicated with closed sticked type airflow line, closed sticked type airflow line is connected to air pump, barometer is installed on closed sticked type airflow line, pressure sensor, barometer and air pump are electrically connected in air pump control system.When shield machine shell enters pre-buried steel loop, air pump starts to be inflated to collapsible ring-shaped rubber air bag, so that collapsible ring-shaped rubber air bag and shield machine shell are in close contact, enclosure space is formed, solves the problems, such as to be easy water burst when shield receives in strong weeping formation, gush sand.
Description
Technical field
The present invention relates to shield method tunnel construction field, specifically a kind of pre-buried steel loop water-stopping system of gasbag-type.
Background technique
Shield machine reception is the critical process during shield method tunnel construction, and there are biggish risks for receive process.By
There are annular slots between shield machine shell and the pre-buried steel loop in hole when receiving, and if end consolidation effect is undesirable, are easy
Existing Sand phenomenon.Especially for the stronger stratum of water penetration, Sand phenomenon especially severe influences the normal of construction
It carries out, or even causes safety accident.
At present frequently with encapsulating method be rubber cord and pressing plate for sealing.Since the gap of shield machine and pre-buried steel loop is
Ring-type, portal rubber cord and portal pressing plate are piecemeal arrangement, inevitably there is gap between block and block, and sealing effect is poor,
And it is easy breakage.
Summary of the invention
The invention is intended to provide a kind of pre-buried steel loop water-stopping system of gasbag-type, when solving shield reception in strong weeping formation
It is easy water burst, gushes the problem of sand.
In order to achieve the above object, base case of the invention is as follows:
A kind of pre-buried steel loop water-stopping system of gasbag-type includes the pre-buried steel ring body of steel cylinder and hole ring composition, the steel
Cylinder connects with hole boxing, further includes air pump, the collapsible gentle pump control system of ring-shaped rubber air bag, the steel cylinder and hole ring are equal
It is made of two semi-circular structures, the steel cylinder disposed inboard has several for measuring the pressure sensor of mud pressure, described
Circumferentially direction is provided with annular recess on the inside of steel cylinder, and the collapsible ring-shaped rubber air bag is arranged in groove, the folding
Formula ring-shaped rubber air bag is communicated with closed sticked type airflow line, and the closed sticked type airflow line is connected to air pump, the closed sticked type gas
Barometer is installed, the pressure sensor, barometer and air pump are electrically connected in air pump control system on flow tube road.
Base case the utility model has the advantages that when (1) shield machine shell enters pre-buried steel loop, air pump starts to collapsible cyclic annular rubber
The inflation of glue air bag forms enclosure space, can effectively prevent so that collapsible ring-shaped rubber air bag and shield machine shell are in close contact
The generation of Sand phenomenon.
(2) air pump control system analysis pressure sensor and barometrical data automatic dynamic control air-pump inflating amount, it is real
Automation control is showed, and mud pressure can have been monitored in real time, has guaranteed water burst occurring, gushing phenomena such as sand mud pressure
When becoming smaller, air pump can in time be inflated collapsible air bag, effectively prevent water burst, gushed the generation of the case where sand.
Further, there are four the pressure sensor is set, four pressure sensors be arranged in steel cylinder it is upper,
Under, it is left and right everywhere.Comprehensive mud pressure can be measured.
Further, the collapsible ring-shaped rubber air bag is detachably connected in groove, and the collapsible ring-shaped rubber
Air bag is closely connect with groove, and collapsible ring-shaped rubber air bag will not expose groove under unaerated state.Collapsible ring-shaped rubber
Air bag is detachably connected, and is recycled convenient for doubling stacked ring-type rubber pneumatic bag, collapsible ring-shaped rubber air bag and groove
Close connection, which can effectively prevent mud etc. to enter in groove, influences collapsible ring-shaped rubber air bag inflation.
Further, at least provided with four groups, the closed sticked type airflow line is circumferential for the closed sticked type airflow line and barometer
It is evenly distributed on steel cylinder, the hole ring is equipped with opening, and the closed sticked type airflow line is worn by the opening on the ring of hole
Out, closed sticked type airflow line one end is connected with air pump, and the other end is connected with collapsible ring-shaped rubber air bag.It can guarantee
Doubling stacked ring-type rubber pneumatic bag homogenous charge.
Further, further include at least twice steel brush, the steel brush it is circumferentially fixed in hole ring close to the side of steel cylinder.Steel brush
Can to water burst, gush sand phenomenon and tentatively prevented.
Detailed description of the invention
Fig. 1 is the partial sectional view of the embodiment of the present invention and shield machine cooperation；
Fig. 2 is the structural schematic diagram of collapsible ring-shaped rubber air bag in the embodiment of the present invention.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: pre-buried steel ring body 1, pressure sensor 2, collapsible ring-shaped rubber air bag
3, closed sticked type airflow line 4, barometer 5, air pump 6, steel brush 7, shield machine shell 8, steel cylinder 11, hole ring 12.
Embodiment
Substantially as shown in attached drawing 1, Fig. 2: a kind of pre-buried steel loop water-stopping system of gasbag-type, includes steel cylinder 11 and hole ring 12
Pre-buried steel ring body 1,6 control system of air pump 6, collapsible ring-shaped rubber air bag 3 and air pump being welded into, steel cylinder 11 and hole ring 12
It is made of two semi-circular structures, there are four the pressure sensor 2 for measuring mud pressure, four pressures for 11 disposed inboard of steel cylinder
Force snesor 2 is arranged in the upper and lower, left and right of steel cylinder 11 everywhere.11 inside of steel cylinder is circumferentially provided with annular recess in direction,
Collapsible ring-shaped rubber air bag 3 is detachably connected in groove, and collapsible ring-shaped rubber air bag 3 is closely connect with groove, not
Collapsible ring-shaped rubber air bag 3 will not expose groove under inflated condition.Collapsible ring-shaped rubber air bag 3 is communicated with closed sticked type air-flow
Pipeline 4, there are four 4 barometer 5 of closed sticked type airflow line is set, four closed sticked type airflow lines 4 are circumferential to be evenly distributed on steel cylinder 11
On, hole ring 12 is equipped with opening, and closed sticked type airflow line 4 is pierced by by the opening on hole ring 12, closed sticked type airflow line 4
One end is connected to air pump 6, and the other end is connected to collapsible ring-shaped rubber air bag 3, is equipped with air pressure on closed sticked type airflow line 4
Meter 5.Pressure sensor 2, barometer 5 and air pump 6 are electrically connected in 6 control system of air pump.
Specific implementation process is as follows: first distinguishing four groups of mud pressure sensors 2 and closed sticked type airflow line 4 when installation
It is mounted in the upper half ring and lower semi-ring of steel cylinder 11；It is again that upper half ring and lower semi-ring assembly is good, collapsible ring-shaped rubber gas is installed
Capsule 3, and connect with four closed sticked type airflow lines 4；Then mounting hole choma 12, and closed sticked type airflow line 4 is passed through and is reserved
Hole is connect with barometer 5 and air pump 6 according to this；Steel brush 7 is finally installed, and connects relevant control route.
When shield machine shell 8 enters pre-buried steel ring body 1,6 control system of booster air pump, 6 automatic inflating of air pump to roll over
Stacked ring-type rubber pneumatic bag 3 and shield machine shell 8 are in close contact, and form closed area.The initial inflation process amount of air pump 6 passes through limited
Secondary test obtains, and the present embodiment does not illustrate.When sealing effect is good, the data that pressure sensor 2 measures are more steady
Determine or continues to increase；When collapsible ring-shaped rubber air bag 3 occurs water burst, gushes sand phenomenon, the data that pressure sensor 2 measures are prominent
So become smaller, the air pump 6 of 6 control system of air pump control at this time is filled with a certain amount of gas and makes air pressure in collapsible ring-shaped rubber air bag 3
Value improves a gradient.After the completion of inflation, if the data stabilization that pressure sensor 2 measures, 6 control system of air pump controls air pump
6 stop inflation；If the data that pressure sensor 2 measures persistently become smaller, repeated inflation step, until pressure sensor 2 measures
Data stabilization until.Gas replenishment process can also manual intervention, when have burst emergency when, can artificially manipulate gas replenishment process.Shield
After structure machine passes through pre-buried steel ring body 1, shield machine is first disassembled, then disassemble hole ring 12 and air pump 6, finally disassembles collapsible cyclic annular rubber
The semi-ring up and down of glue air bag 3 and steel cylinder 11 completes shield receive process.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these also should be considered as protection scope of the present invention, these all will not influence of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific embodiment can be used for explaining the content of claim.
Claims (5)
1. a kind of pre-buried steel loop water-stopping system of gasbag-type includes the pre-buried steel ring body of steel cylinder and hole ring composition, the steel cylinder
It is connect with hole boxing, it is characterised in that: further include air pump, the collapsible gentle pump control system of ring-shaped rubber air bag, the steel cylinder
It is made of with hole ring two semi-circular structures, the steel cylinder disposed inboard has several to pass for measuring the pressure of mud pressure
Sensor, the steel cylinder inside is circumferentially provided with annular recess in direction, and the collapsible ring-shaped rubber air bag is arranged in groove,
The collapsible ring-shaped rubber air bag is communicated with closed sticked type airflow line, and the closed sticked type airflow line is connected to air pump, described
Barometer is installed, the pressure sensor, barometer and air pump are electrically connected with air pump control system on closed sticked type airflow line
In system.
2. the pre-buried steel loop water-stopping system of gasbag-type according to claim 1, it is characterised in that: the pressure sensor is equipped with
Four, four pressure sensors are arranged in the upper and lower, left and right of steel cylinder everywhere.
3. the pre-buried steel loop water-stopping system of gasbag-type according to claim 2, it is characterised in that: the collapsible ring-shaped rubber
Air bag is detachably connected in groove, and the collapsible ring-shaped rubber air bag is closely connect with groove, is rolled under unaerated state
Stacked ring-type rubber pneumatic bag will not expose groove.
4. the pre-buried steel loop water-stopping system of gasbag-type according to claim 3, it is characterised in that: the closed sticked type airflow line
With barometer at least provided with four groups, the closed sticked type airflow line is circumferentially evenly distributed on steel cylinder, and the hole ring is equipped with
Opening, the closed sticked type airflow line are pierced by by the opening on the ring of hole, closed sticked type airflow line one end and air pump phase
Even, the other end is connected with collapsible ring-shaped rubber air bag.
5. the pre-buried steel loop water-stopping system of gasbag-type according to claim 4, it is characterised in that: further include at least twice steel
Brush, the steel brush it is circumferentially fixed in hole ring close to the side of steel cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675799.7A CN110273698A (en) | 2019-07-25 | 2019-07-25 | A kind of pre-buried steel loop water-stopping system of gasbag-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675799.7A CN110273698A (en) | 2019-07-25 | 2019-07-25 | A kind of pre-buried steel loop water-stopping system of gasbag-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110273698A true CN110273698A (en) | 2019-09-24 |
Family
ID=67965200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910675799.7A Pending CN110273698A (en) | 2019-07-25 | 2019-07-25 | A kind of pre-buried steel loop water-stopping system of gasbag-type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110273698A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922612A (en) * | 2021-03-02 | 2021-06-08 | 北京建工土木工程有限公司 | Shield tunneling machine starting tunnel portal sealing and water stopping device and construction method thereof |
| CN112943319A (en) * | 2021-04-06 | 2021-06-11 | 中冶华南建设工程有限公司 | Sealing water-stopping structure for shield tunneling machine to enter and exit tunnel and construction process |
| CN113340475A (en) * | 2021-05-20 | 2021-09-03 | 东南大学 | Device and method for testing contact stress between shield tunnel segments |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1113381A (en) * | 1997-06-24 | 1999-01-19 | Kajima Corp | Cut-off method at starting shield machine under high water pressure, and cut-off device |
| CN202039866U (en) * | 2011-02-16 | 2011-11-16 | 长江水利委员会长江勘测规划设计研究院 | Waterproof air bag for hole-entrance of shield |
| CN206707743U (en) * | 2017-05-16 | 2017-12-05 | 中铁四局集团第四工程有限公司 | It is a kind of to strengthen shield launching and the portal sealing device of reception |
| CN108086986A (en) * | 2018-01-24 | 2018-05-29 | 中铁工程装备集团机电工程有限公司 | A kind of shield reception steel bushing |
| CN210370714U (en) * | 2019-07-25 | 2020-04-21 | 中建隧道建设有限公司 | Air bag type embedded steel ring water stop system |
-
2019
- 2019-07-25 CN CN201910675799.7A patent/CN110273698A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1113381A (en) * | 1997-06-24 | 1999-01-19 | Kajima Corp | Cut-off method at starting shield machine under high water pressure, and cut-off device |
| CN202039866U (en) * | 2011-02-16 | 2011-11-16 | 长江水利委员会长江勘测规划设计研究院 | Waterproof air bag for hole-entrance of shield |
| CN206707743U (en) * | 2017-05-16 | 2017-12-05 | 中铁四局集团第四工程有限公司 | It is a kind of to strengthen shield launching and the portal sealing device of reception |
| CN108086986A (en) * | 2018-01-24 | 2018-05-29 | 中铁工程装备集团机电工程有限公司 | A kind of shield reception steel bushing |
| CN210370714U (en) * | 2019-07-25 | 2020-04-21 | 中建隧道建设有限公司 | Air bag type embedded steel ring water stop system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922612A (en) * | 2021-03-02 | 2021-06-08 | 北京建工土木工程有限公司 | Shield tunneling machine starting tunnel portal sealing and water stopping device and construction method thereof |
| CN112943319A (en) * | 2021-04-06 | 2021-06-11 | 中冶华南建设工程有限公司 | Sealing water-stopping structure for shield tunneling machine to enter and exit tunnel and construction process |
| CN112943319B (en) * | 2021-04-06 | 2023-11-03 | 中冶华南建设工程有限公司 | Sealing water stopping structure for shield entering and exiting holes and construction process |
| CN113340475A (en) * | 2021-05-20 | 2021-09-03 | 东南大学 | Device and method for testing contact stress between shield tunnel segments |
| CN113340475B (en) * | 2021-05-20 | 2022-11-18 | 东南大学 | Device and method for testing contact stress between shield tunnel segments |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210611 Address after: 10-1, building 12, No. 6, Babin Road, Banan District, Chongqing 404100 Applicant after: CHINA CONSTRUCTION TUNNEL Corp.,Ltd. Applicant after: CCFEB CIVIL ENGINEERING Co.,Ltd. Address before: 401320 10-1 Ba Bin Road, Banan District, Banan, Chongqing, 10-1 Applicant before: CHINA CONSTRUCTION TUNNEL Corp.,Ltd. |
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| TA01 | Transfer of patent application right |