CN103498684A - Embedded type dual-liquid grouting device achieving synchronization of shield tail of shield machine - Google Patents
Embedded type dual-liquid grouting device achieving synchronization of shield tail of shield machine Download PDFInfo
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- CN103498684A CN103498684A CN201310481311.XA CN201310481311A CN103498684A CN 103498684 A CN103498684 A CN 103498684A CN 201310481311 A CN201310481311 A CN 201310481311A CN 103498684 A CN103498684 A CN 103498684A
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Abstract
The invention discloses an embedded type dual-liquid grouting device achieving synchronization of the shield tail of a shield machine. The embedded type dual-liquid grouting device comprises a first valve block, a second valve block and a shield body connection block, wherein the first valve block, the second valve block and the shield body connection block are embedded in the shield tail, a liquid A channel, a liquid B channel, a piston channel and a water channel are arranged in the first valve block and the second valve block respectively and correspondingly, a piston rod is arranged in the piston channel, a piston is arranged in a piston cylinder, and the piston rod is driven by a pushing cylinder; the part of the liquid A channel and a liquid B socket, located in the first valve block, are communicated with the piston cylinder through a first communication channel, and the part, located in the first valve block, of the water channel is communicated with the piston cylinder through a second communication channel. According to the embedded type dual-liquid grouting device, the position of the piston is controlled through the pushing cylinder, so that an overexcavation gap formed between a duct piece and a tunnel stratum after the shield tail is separated from the duct piece in a shield pushing process is made up rapidly, water seepage of a duct piece joint and a tail gap is effectively prevented, and ground surface settlement is restrained; the embedded type dual-liquid grouting device is applicable to various types of geology, easy to operate, not prone to blocking, and capable of improving construction efficiency.
Description
Technical field
The present invention relates to a kind of grouting device, relate in particular to the synchronous embedded two-liquid grouting device of a kind of shield machine shield tail.
Background technology
At present, along with a large amount of constructions of domestic and international subway, tunneling shield method excavation becomes by feat of the advantage of self Main Means that Urban Underground is constructed gradually.In the shield driving process, after the shield tail breaks away from section of jurisdiction, because cutterhead excavation face diameter is greater than the section of jurisdiction external diameter, will cause having gap between section of jurisdiction and stratum, tunnel, if this space of backfill, certainly will cause formation variation not in time, and then to contiguous subsurface structure deposits yields damaging influence.On existing shield machine, usually adopt the synchronous grouting mode to suppress stratum settlement, but also prevent that segment joint and tail gap from seeping water.Synchronous grouting is divided into again single liquid synchronous grouting and dual-fluid synchronous slip casting, existing shield machine adopts single liquid synchronous grouting more, but because single liquid synchronous grouting setting time is long, need the long period can coagulation forming, therefore thereby single fluid grouting in use may cause ground settlement to impact above ground structure, and single liquid synchronous grouting easily dilutes by underground water, produce material and separate, section of jurisdiction produces rising phenomenon.
Two-liquid grouting device mainly contains external (Japanese) and B liquid pipe is inserted in A liquid pipe and mixes two kinds of slip castings (extra large Rake formula) both at home and abroad at present.And the external two-liquid grouting device therefore be only applicable to weak soil, is not suitable for other geology due to outstanding shield body, the easy card shield phenomenon that occurs; B liquid pipe is inserted to the two-liquid grouting device complicated operation that mixes slip casting in A liquid pipe, the liquid blockage easily occurs, practical effect is not good.Therefore, need badly in shield-tunneling construction and a kind ofly be applicable to various geology, and simple to operate, the two-liquid grouting device that should not stop up.
Summary of the invention
The purpose of this invention is to provide the synchronous embedded two-liquid grouting device of a kind of shield machine shield tail, can be applicable to various geology, simple to operate, should not stop up, can improve efficiency of construction.
The present invention adopts following technical proposals:
The synchronous embedded two-liquid grouting device of a kind of shield machine shield tail, comprise the first valve piece be embedded in the shield tail, second valve piece and shield body contiguous block, the first valve piece and second valve block welding, second valve piece and the welding of shield body contiguous block, the first valve piece be provided with corresponding A liquid passage in the second valve piece, B liquid passage, piston channel and aquaporin, be provided with B liquid socket and piston rod in the first valve piece, the piston rod front end is provided with the mixed liquor jet, be provided with many B liquid pipes in B liquid passage, the B liquid Guan Yiduan that is positioned at the first valve piece is connected with the B nozzle for liquid, the B nozzle for liquid is arranged in B liquid socket, be provided with piston rod in piston channel, piston rod one end that is positioned at the first valve piece is provided with piston, piston is arranged in piston rod, piston rod is driven by propulsion cylinder, the A liquid passage and the B liquid socket that are positioned at the first valve piece pass through the first communicating passage and piston rod conducting, be positioned at the aquaporin of the first valve piece by the second communicating passage and piston rod conducting, when described piston rod is regained, the opening of piston shutoff the second communicating passage on piston rod, when piston rod stretches out, piston shutoff mixed liquor jet.
Described the first valve piece is connected with sealing ring by A liquid seamed pipe with second valve piece junction at the first valve piece with the A liquid passage of corresponding setting in the second valve piece; Described the first valve piece is connected with sealing ring by the water seamed pipe with second valve piece junction at the first valve piece with the aquaporin of corresponding setting in the second valve piece.
The other end of described piston rod connects propulsion cylinder by the jack Connection Block, and propulsion cylinder is fixed on shield body contiguous block by the ear seat.
Described B liquid socket and piston rod all are bolted on the first valve piece.
The present invention utilizes propulsion cylinder control piston position, when piston blocks the opening of the second communicating passage on piston rod, A liquid slurry and B liquid slurry can be in the inner fusions of piston rod, and the mixed liquor jet arranged by piston rod front end ejection, make up rapidly the gap of backbreaking existed between section of jurisdiction and stratum, and effectively prevent from the infiltration of segment joint and tail gap from suppressing ground settlement; When piston blocks the mixed liquor jet, also can realize the flushing to A liquid passage.The present invention is embedded in the shield tail, and not outstanding shield tail, can be applicable to various geology, is specially adapted to be not suitable for using the stratum of external grouting pipe and single fluid grouting device, can improve efficiency of construction, simple in structure, is easy to realize.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The A-A that Fig. 2 is Fig. 1 is to sectional view;
The structural representation that Fig. 3 is the first valve piece of the present invention;
Fig. 4 is position view of the present invention.
The specific embodiment
As shown in Figure 1 to Figure 3, the present invention includes the first valve piece 1, second valve piece 2 and shield body contiguous block 3, the first valve piece 1 and 2 welding of second valve piece, second valve piece 2 and 3 welding of shield body contiguous block, the first valve piece 1 be provided with corresponding A liquid passage 4, B liquid passage 5, piston channel 6 and water channel 7 in second valve piece 2, the first valve piece 1 is connected with sealing ring 9 by A liquid seamed pipe 8 with second valve piece 2 junctions at the first valve piece 1 with the A liquid passage 4 of the interior corresponding setting of second valve piece 2; The first valve piece 1 is connected with sealing ring 9 by water seamed pipe 10 with second valve piece 2 junctions at the first valve piece 1 with the water channel 7 of the interior corresponding setting of second valve piece 2.The first valve piece 1 end is fixed with B liquid socket 12 and piston rod 13 by bolt 11 respectively, piston rod 13 front ends are provided with the mixed liquor jet, be provided with many B liquid pipes 14 in B liquid passage 5, B liquid pipe 14 1 ends that are positioned at the first valve piece 1 are connected with B nozzle for liquid 15, B nozzle for liquid 15 is arranged in B liquid socket 12, 12 pairs of B nozzle for liquid 15 of B liquid socket position, be provided with piston rod 16 in piston channel 6, piston rod 16 1 ends that are positioned at the first valve piece 1 are provided with piston 17, piston 17 is arranged in piston rod 13, piston rod 16 is driven by propulsion cylinder 18, the other end of piston rod 16 connects propulsion cylinder 18 by jack Connection Block 19, jack Connection Block 19 is for connecting piston rod 16 and propulsion cylinder 18, propulsion cylinder 18 is fixed on shield body contiguous block 3 by ear seat 20.The A liquid passage 4 and the B liquid socket 12 that are positioned at the first valve piece 1 pass through the first communicating passage 21 and piston rod 13 conductings, be positioned at the water channel 7 of the first valve piece 1 by the second communicating passage 22 and piston rod 13 conductings, when described piston rod 16 is regained, the opening of piston 17 shutoff the second communicating passage 22 on piston rod 13; When piston rod 16 stretches out, piston 17 shutoff mixed liquor jets.
In use, when shield machine normally tunnels, propulsion cylinder 18 and piston rod 16 are regained, now the opening of piston 17 shutoff the second communicating passage 22 on piston rod 13 in the present invention.Now A liquid slurry enters piston rod 13 inside by A liquid passage 4 and the first communicating passage 21 respectively, B liquid slurry is respectively by B liquid pipe 14, B nozzle for liquid 15, B liquid socket 12 and the first communicating passage 21 enter piston rod 13 inside, A liquid slurry and B liquid slurry are after the inner fusion of piston rod 13, the mixed liquor jet ejection arranged by piston rod 13 front ends, the mixed liquor of A liquid slurry and B liquid slurry is solidifiable in the short time after ejection, after making up rapidly in the shield driving process shield tail and breaking away from section of jurisdiction, the gap of backbreaking existed between section of jurisdiction and stratum, tunnel, and effectively prevent the infiltration of segment joint and tail gap, suppress ground settlement.
Carrying out mechanical repair and maintenance and while stopping slip casting, when propulsion cylinder 18 and piston rod 16 stretch out, the mixed liquor jet on piston 17 shutoff piston rods 13 now.Water is injected to piston rod inside by water channel 7, the second communicating passage 22, due to the first communicating passage 21 and piston rod 13 conductings, now injected water will enter into A liquid passage 4 by the first communicating passage 21, reach the effect that A liquid passage 4 is rinsed, effectively prevent that A liquid passage 4 from stopping up, and guarantees practical effect.B liquid pipe 14 and B nozzle for liquid 15 can regularly split out and be cleaned, and the multistage B liquid pipe 14 be threaded connection can be extracted cleaning from B liquid passage 5, further prevent that the biliquid slurry from blocking B nozzle for liquid 15.
The present invention directly is embedded in the shield tail, does not give prominence in a circumferential direction the shield body, has effectively avoided the problem of shield tail clamping stagnation when non-Soft Clay construction.Simultaneously, as shown in Figure 4, the present invention is that in figure, the M label shows, can be arranged on the shield tail of shield machine vertical direction both sides.
Above embodiment is only for illustrating preferential embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; in the ken possessed at described field those of ordinary skill; it any modification of doing within the spirit and principles in the present invention, is equal to and substitutes and improvement etc., within all should be encompassed in the technical scheme scope that the present invention asks for protection.
Claims (4)
1. the synchronous embedded two-liquid grouting device of shield machine shield tail, it is characterized in that: comprise the first valve piece be embedded in the shield tail, second valve piece and shield body contiguous block, the first valve piece and second valve block welding, second valve piece and the welding of shield body contiguous block, the first valve piece be provided with corresponding A liquid passage in the second valve piece, B liquid passage, piston channel and aquaporin, the first valve piece end is provided with B liquid socket and piston rod, the piston rod front end is provided with the mixed liquor jet, be provided with many B liquid pipes in B liquid passage, an end that is positioned at the first valve piece of B liquid pipe is connected with the B nozzle for liquid, the B nozzle for liquid is arranged in B liquid socket, be provided with piston rod in piston channel, the end that piston rod is positioned at the first valve piece is provided with piston, piston is arranged in piston rod, piston rod is driven by propulsion cylinder, the A liquid passage and the B liquid socket that are positioned at the first valve piece pass through the first communicating passage and piston rod conducting, be positioned at the aquaporin of the first valve piece by the second communicating passage and piston rod conducting, when described piston rod is regained, the opening of piston shutoff the second communicating passage on piston rod, when piston rod stretches out, piston shutoff mixed liquor jet.
2. the synchronous embedded two-liquid grouting device of shield machine shield tail according to claim 1 is characterized in that: described the first valve piece is connected with sealing ring by A liquid seamed pipe with second valve piece junction at the first valve piece with the A liquid passage of corresponding setting in the second valve piece; Described the first valve piece is connected with sealing ring by the water seamed pipe with second valve piece junction at the first valve piece with the aquaporin of corresponding setting in the second valve piece.
3. the synchronous embedded two-liquid grouting device of shield machine shield tail according to claim 1 and 2 is characterized in that: the other end of described piston rod connects propulsion cylinder by the jack Connection Block, and propulsion cylinder is fixed on shield body contiguous block by the ear seat.
4. the synchronous embedded two-liquid grouting device of shield machine shield tail according to claim 3, it is characterized in that: described B liquid socket and piston rod all are bolted on the first valve piece.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481311.XA CN103498684A (en) | 2013-10-15 | 2013-10-15 | Embedded type dual-liquid grouting device achieving synchronization of shield tail of shield machine |
| CN201320880848.9U CN203669882U (en) | 2013-10-15 | 2013-12-26 | Shield tail synchronous embedding type double liquid slip casting device of shield tunneling machine |
| CN201310730614.0A CN103821539B (en) | 2013-10-15 | 2013-12-26 | A kind of shield machine shield tail synchronizes embedded two-liquid grouting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481311.XA CN103498684A (en) | 2013-10-15 | 2013-10-15 | Embedded type dual-liquid grouting device achieving synchronization of shield tail of shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103498684A true CN103498684A (en) | 2014-01-08 |
Family
ID=49863932
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310481311.XA Pending CN103498684A (en) | 2013-10-15 | 2013-10-15 | Embedded type dual-liquid grouting device achieving synchronization of shield tail of shield machine |
| CN201320880848.9U Withdrawn - After Issue CN203669882U (en) | 2013-10-15 | 2013-12-26 | Shield tail synchronous embedding type double liquid slip casting device of shield tunneling machine |
| CN201310730614.0A Active CN103821539B (en) | 2013-10-15 | 2013-12-26 | A kind of shield machine shield tail synchronizes embedded two-liquid grouting device |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320880848.9U Withdrawn - After Issue CN203669882U (en) | 2013-10-15 | 2013-12-26 | Shield tail synchronous embedding type double liquid slip casting device of shield tunneling machine |
| CN201310730614.0A Active CN103821539B (en) | 2013-10-15 | 2013-12-26 | A kind of shield machine shield tail synchronizes embedded two-liquid grouting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN103498684A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130940A (en) * | 2019-06-24 | 2019-08-16 | 中铁工程装备集团有限公司 | A kind of novel double liquid grout injecting system |
| CN110805456A (en) * | 2019-11-18 | 2020-02-18 | 中建八局轨道交通建设有限公司 | Double-pipe type shield tail grouting device |
| CN115637991A (en) * | 2022-12-26 | 2023-01-24 | 中南大学 | Shield type TBM tunnel wall back grouting equipment |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498684A (en) * | 2013-10-15 | 2014-01-08 | 中铁隧道装备制造有限公司 | Embedded type dual-liquid grouting device achieving synchronization of shield tail of shield machine |
| CN104314587B (en) * | 2014-10-27 | 2016-07-20 | 山东科技大学 | Fixed point control territory grouting device and grouting process |
| CN104675409B (en) * | 2015-02-13 | 2016-02-24 | 济南轨道交通集团有限公司 | What reduce that gap of the shield tail causes Stratum Loss propels expansion self-locking devices and method |
| CN107676105B (en) * | 2016-08-02 | 2020-01-14 | 上海力行工程技术发展有限公司 | Grouting anti-blocking component of shield tunneling machine |
| CN109026066A (en) * | 2018-08-06 | 2018-12-18 | 济南重工股份有限公司 | A kind of novel shield machine dual-fluid synchronous slip casting system |
| CN109763843A (en) * | 2019-03-19 | 2019-05-17 | 中铁工程装备集团有限公司 | A kind of dual-fluid synchronous slip casting block and its construction method |
| CN110608042B (en) * | 2019-10-30 | 2024-03-19 | 华东交通大学 | Synchronous grouting device for shield tunnel construction |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2850280B2 (en) * | 1994-03-31 | 1999-01-27 | 太平洋セメント株式会社 | Two-part grout composition |
| JP3751619B2 (en) * | 2003-08-07 | 2006-03-01 | 相模サーボ株式会社 | Backfilling material injection device in shield method |
| CN201339472Y (en) * | 2008-12-19 | 2009-11-04 | 宏润建设集团股份有限公司 | Synchronous grouting and cleaning equipment |
| CN101476469A (en) * | 2009-01-06 | 2009-07-08 | 上海隧道工程股份有限公司 | Dual-fluid synchronous slip casting and cleaning switching mechanism |
| CN201560766U (en) * | 2010-02-26 | 2010-08-25 | 海瑞克(广州)隧道设备有限公司 | Shield rear double-liquid grouting system for shield machine |
| CN101812994B (en) * | 2010-03-09 | 2012-01-04 | 上海真砂隆福机械有限公司 | Synchronous grouting system |
| CN103498684A (en) * | 2013-10-15 | 2014-01-08 | 中铁隧道装备制造有限公司 | Embedded type dual-liquid grouting device achieving synchronization of shield tail of shield machine |
-
2013
- 2013-10-15 CN CN201310481311.XA patent/CN103498684A/en active Pending
- 2013-12-26 CN CN201320880848.9U patent/CN203669882U/en not_active Withdrawn - After Issue
- 2013-12-26 CN CN201310730614.0A patent/CN103821539B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130940A (en) * | 2019-06-24 | 2019-08-16 | 中铁工程装备集团有限公司 | A kind of novel double liquid grout injecting system |
| CN110805456A (en) * | 2019-11-18 | 2020-02-18 | 中建八局轨道交通建设有限公司 | Double-pipe type shield tail grouting device |
| CN115637991A (en) * | 2022-12-26 | 2023-01-24 | 中南大学 | Shield type TBM tunnel wall back grouting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103821539A (en) | 2014-05-28 |
| CN103821539B (en) | 2016-08-31 |
| CN203669882U (en) | 2014-06-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 450016, Henan, Zhengzhou economic and Technological Development Zone, 1405 East Road, CITIC Plaza, 4 floor, East Applicant after: China Railway Manufacturing Equipment Group Co., Ltd. Address before: 450016, Henan, Zhengzhou economic and Technological Development Zone, 1405 East Road, CITIC Plaza, 4 floor, East Applicant before: China Railway Tunneling Equipment Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: CHINA RAILWAY TUNNELING EQUIPMENT CO., LTD. TO: CHINA RAILWAY MANUFACTURING EQUIPMENT GROUP CO., LTD. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140108 |