CN202039866U - Waterproof air bag for hole-entrance of shield - Google Patents
Waterproof air bag for hole-entrance of shield Download PDFInfo
- Publication number
- CN202039866U CN202039866U CN2011200396462U CN201120039646U CN202039866U CN 202039866 U CN202039866 U CN 202039866U CN 2011200396462 U CN2011200396462 U CN 2011200396462U CN 201120039646 U CN201120039646 U CN 201120039646U CN 202039866 U CN202039866 U CN 202039866U
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- China
- Prior art keywords
- air bag
- hole
- vertical shaft
- shield
- waterproof
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- 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 - Lifetime
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Abstract
The utility model provides a waterproof air bag for hole-entrance of a shield, comprising a vertical shaft hole-entrance annular frame imbedding member (7), a cord rubber slab (8), a clamping board (9), and a clamping fastening bolt (10), a hole-entrance grouting pipe (11) is led through the vertical shaft hole-entrance annular frame imbedding member (7), An emergence seal air bag air charging and discharging pipe (3) is through an emergence seal air bag (1), an auxiliary working air bag air charging and discharging pipe (4) is through the auxiliary working air bag (2), a bolt (5) is used to respectively fix the emergency seal air bag (1) and the auxiliary working air bag (2) on the vertical shaft hole-entrance annular frame imbedding member (7). The waterproof air bag in the utility model overcomes disadvantages of great increase of project investment and influence upon waterproof effect caused by reinforcing measures such as high pressure guniting, grouting, etc. used for soil out of the hole in most current projects. The waterproof air bag is also advantaged by facilitation of substituting or reducing vertical shaft outer soil reinforcing scale, improvement of engineering safety, saving of project investment, and wide popularization of application in the same projects.
Description
Technical field
The utility model relates to shield structure safety and enters a kind of waterproof technique that arrives the default hole of vertical shaft, and more particularly it is the anti-water ballonet of a kind of shield.
Background technology
The shield structure enters and arrives the hole always is the key technique of shield construction.The shield structure leaves the waterproof measure at the default hole of vertical shaft of setting out, usually take cord rubber tile and steel plate wire brush, and the layout to the inclination of shield structure direction of advance is omited in employing, like this under recipient place in the hydraulic action, neither can hinder the shield structure advances, because of be close to (hydraulic pressure is big more, and it is good more to seal) with shield structure shell, reach the waterproof purpose again.
But arriving the hole for the shield structure but can not adopt and the identical layout of setting out, because if cord rubber tile that is adopted and steel plate wire brush slightly are in tilted layout to shield structure direction of advance, under the ground water pressure effect, the steel plate wire brush will be hiked up, and does not reach the purpose of waterproof; Arrange the cord rubber tile for hole in well, also only after the shield structure enters the vertical shaft hole, with clamp cord rubber tile and shield shell are compressed, can play waterproof action, yet enter the hole at the shield structure, and in the clamp operating process in place, because no effective waterproof measure, the hidden danger of waterproof beyond doubt.Therefore for solving waterproof problem, adopt of engineering adopted reinforcement measures such as high-pressure mortar spraying, grouting to the soil body outside the hole more in the past, increased construction investment greatly; And shield mouth buried depth is big more, and high-pressure mortar spraying (grouting) aperture is shunk big more, and the gap is also big more between the hole, is difficult to form more complete waterproof body around entering the hole, so that influences waterproof effect.
In recent years soil stabilization outside the domestic course of emergency hole, and advance some examples of hole failure, cause very big economic loss; Think by analysis mainly be in the shield process waterproof measure ineffective due to.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned existing disadvantages of background technology part, and provides a kind of shield to prevent water ballonet.It is to enter the waterproof technique that arrives the default hole of vertical shaft for solving shield structure safety.
The purpose of this utility model reaches by following measure: shield is prevented water ballonet, comprise that vertical shaft advances hole ring frame embedded part, the cord rubber tile, clamp, the clamp fastening bolt, advance the hole grout pipe, clamp and cord rubber tile are fixed on vertical shaft by the clamp fastening bolt and advance on the ring frame embedded part of hole, advance hole grout pipe feeding vertical shaft and advance hole ring frame embedded part, it is characterized in that it also comprises the urgent pressure bladder of being furnished with charge and exhaust pipe and the back work air bag of being furnished with charge and exhaust pipe, other has bolt respectively urgent pressure bladder and back work air bag to be fixed on vertical shaft to advance on the ring frame embedded part of hole.
In technique scheme, described back work air bag is positioned at the steel plate wire brush, and the two ends of steel plate wire brush are fixed on vertical shaft and advance on the ring frame embedded part of hole.
In technique scheme, described urgent pressure bladder is between cord rubber tile and back work air bag.
The anti-water ballonet of the utility model shield has following tangible project benefit and social benefit:
(1) wearing yellow tunnel engineering, substituting the outer soil stabilization of the well that carries out for waterproof, solving the hole waterproof problem, guaranteeing that shield machine safety enters southern bank vertical shaft;
(2) help substituting or dwindling soil stabilization scale outside the vertical shaft well, improve the engineering safety degree, save construction investment, can promote in similar engineering and use.
Description of drawings
Fig. 1 advances the structural layout plan of the anti-water ballonet in hole for the utility model vertical shaft.
Fig. 2 is the B-B sectional view of Fig. 1.
1. urgent pressure bladders among the figure, 2. back work air bag, 3. steel plate wire brush, 4. bolt, 5. urgent pressure bladder charge and exhaust pipe, 6. back work air bag charge and exhaust pipe, 7. vertical shaft advances hole ring frame embedded part, 8. cord rubber tile, 9. clamp, 10. clamp fastening bolt, 11. advance the hole grout pipe, and 12. indicate shield structure directions of advance.
The specific embodiment
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not constitute to qualification of the present utility model, only do for example. simultaneously by illustrating that advantage of the present utility model will become clear more and understands easily.
Consult accompanying drawing as can be known: shield is prevented water ballonet, comprise that vertical shaft advances hole ring frame embedded part 7, cord rubber tile 8, clamp 9, clamp fastening bolt 10, advance hole grout pipe 11, clamp 9 and cord rubber tile 8 are fixed on vertical shaft by clamp fastening bolt 10 and advance on the hole ring frame embedded part 7, advancing hole grout pipe 11 feeding vertical shafts advances in the hole ring frame embedded part 7, it also comprises the urgent pressure bladder 1 of being furnished with charge and exhaust pipe 5, the back work air bag 2 of being furnished with charge and exhaust pipe 6 has bolt 5 respectively urgent pressure bladder 1 and back work air bag 2 to be fixed on vertical shaft and advances on the hole ring frame embedded part 7.Described back work air bag 2 is positioned at steel plate wire brush 3, and the two ends of steel plate wire brush 3 are fixed on vertical shaft and advance on the hole ring frame embedded part 7.Described urgent pressure bladder 1 is between cord rubber tile 8 and back work air bag 2.
The anti-water ballonet of this practical shield is except the urgent pressure bladder 1 of self, back work air bag 2, steel plate wire brush 3, bolt 4, urgent pressure bladder fills exhaust (grouting) pipe 5, and the back work air bag fills beyond exhaust (grouting) pipe 6, the facility relevant with it, comprise: vertical shaft advances hole ring frame embedded part 7, cord rubber tile 8, clamp 9, clamp fastening bolt 10, advance hole grout pipe 11, indicate shield structure direction of advance 12 (seeing Fig. 1, Fig. 2 for details).
Vertical shaft advances hole ring frame embedded part 7 in the utility model, cord rubber tile 8, and clamp 9, clamp fastening bolt 10 advances hole grout pipe 11 and is conventional the layout.
The course of work of the anti-water ballonet of the utility model shield is as follows:
When the shield machine head enters the hole, and during contact steel plate wire brush 3, back work air bag 2 adopts 6 inflations of back work air bag charge and exhaust pipes, and steel plate wire brush 3 relies on the back work air bag 2 after the inflation pressurization at that time, compresses the shield shell and plays waterproof action; The shield structure continues to move ahead simultaneously, when head is crossed the inboard, hole, during jack-up cord rubber tile 8, operates clamp 9 one by one, the cord rubber tile is pressed on shield shell surface, to reach the waterproof purpose; Because clamp 9 needs operation one by one, during this period, can start urgent pressure bladder charge and exhaust pipe 5 inflation waterproof (, also can enable urgent pressure bladder 1 waterproof) if back work air bag 2 has fault; Behind clamp 9 complete operations, the hole inner waterproofing just has double shield (referring to steel plate wire brush 3 and cord rubber tile 8), and can start urgent pressure bladder charge and exhaust pipe 5 exhausts this moment, and shield machine continues to move ahead thereafter; After shield machine breaks away from back work air bag 2, start 6 exhausts of back work air bag charge and exhaust pipe, then adopt 6 grouting of back work air bag charge and exhaust pipe, seal this scope the section of jurisdiction ring of assembly unit and the gap between the hole; When shield machine all enters in the vertical shaft, just can start 5 grouting of urgent pressure bladder charge and exhaust pipe, seal this scope the section of jurisdiction ring of assembly unit and the gap between the hole; Start at last and advance grouting around hole grout pipe space, 11 pairs of holes and the hole, finish the hole totally-enclosed.So far shield mouth waterproof sealing completes successfully.
Other unaccounted part is prior art.
Claims (3)
1. shield is prevented water ballonet, comprise that vertical shaft advances hole ring frame embedded part (7), cord rubber tile (8), clamp (9), clamp fastening bolt (10), advance hole grout pipe (11), clamp (9) and cord rubber tile (8) are fixed on vertical shaft by clamp fastening bolt (10) and advance on the hole ring frame embedded part (7), advancing hole grout pipe (11) feeding vertical shaft advances in the hole ring frame embedded part (7), it is characterized in that it also comprises urgent pressure bladder (1), back work air bag (2), there is urgent pressure bladder charge and exhaust pipe (3) to feed in the urgent pressure bladder (1), there is back work air bag charge and exhaust pipe (4) to feed in the back work air bag (2), has bolt (5) respectively urgent pressure bladder (1) and back work air bag (2) to be fixed on vertical shaft and enter the hole and encircle on the frame embedded part (7).
2. shield according to claim 1 is prevented water ballonet, it is characterized in that described back work air bag (2) is positioned at steel plate wire brush (3), and the two ends of steel plate wire brush (3) are fixed on vertical shaft and advance on the hole ring frame embedded part (7).
3. shield according to claim 1 and 2 is prevented water ballonet, it is characterized in that described urgent pressure bladder (1) is positioned between cord rubber tile (8) and the back work air bag (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200396462U CN202039866U (en) | 2011-02-16 | 2011-02-16 | Waterproof air bag for hole-entrance of shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200396462U CN202039866U (en) | 2011-02-16 | 2011-02-16 | Waterproof air bag for hole-entrance of shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202039866U true CN202039866U (en) | 2011-11-16 |
Family
ID=44967315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200396462U Expired - Lifetime CN202039866U (en) | 2011-02-16 | 2011-02-16 | Waterproof air bag for hole-entrance of shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202039866U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080554A (en) * | 2011-02-16 | 2011-06-01 | 长江水利委员会长江勘测规划设计研究院 | Waterproof airbag for tunnel shield to enter the hole |
| CN102852526A (en) * | 2012-09-26 | 2013-01-02 | 三一重工股份有限公司 | Mortar stopping sealing device of shield tunneling machine and shield tunneling machine |
| CN110273698A (en) * | 2019-07-25 | 2019-09-24 | 中建隧道建设有限公司 | A kind of pre-buried steel loop water-stopping system of gasbag-type |
-
2011
- 2011-02-16 CN CN2011200396462U patent/CN202039866U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080554A (en) * | 2011-02-16 | 2011-06-01 | 长江水利委员会长江勘测规划设计研究院 | Waterproof airbag for tunnel shield to enter the hole |
| CN102080554B (en) * | 2011-02-16 | 2013-01-09 | 长江水利委员会长江勘测规划设计研究院 | Waterproof airbag for tunnel shield to enter the hole |
| CN102852526A (en) * | 2012-09-26 | 2013-01-02 | 三一重工股份有限公司 | Mortar stopping sealing device of shield tunneling machine and shield tunneling machine |
| CN102852526B (en) * | 2012-09-26 | 2015-06-24 | 三一重工股份有限公司 | Mortar stopping sealing device of shield tunneling machine and shield tunneling machine |
| CN110273698A (en) * | 2019-07-25 | 2019-09-24 | 中建隧道建设有限公司 | A kind of pre-buried steel loop water-stopping system of gasbag-type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111116 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |