CN203669882U - Shield tail synchronous embedding type double liquid slip casting device of shield tunneling machine - Google Patents
Shield tail synchronous embedding type double liquid slip casting device of shield tunneling machine Download PDFInfo
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- CN203669882U CN203669882U CN201320880848.9U CN201320880848U CN203669882U CN 203669882 U CN203669882 U CN 203669882U CN 201320880848 U CN201320880848 U CN 201320880848U CN 203669882 U CN203669882 U CN 203669882U
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Abstract
The utility model discloses a shield tail synchronous embedding type double liquid slip casting device of a shield tunneling machine. The shield tail synchronous embedding type double liquid slip casting device of the shield tunneling machine 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 a shield tail. A corresponding A liquid channel, a B liquid channel, a piston channel and a water channel are formed in each of the first valve block and the second valve block. A piston rod is arranged in each piston channel. A piston is arranged in a piston cylinder and the piston rods are driven by a pushing cylinder. The A liquid channel and a B liquid socket in the first valve block are communicated with the piston cylinder through a first communication channel. The water channel in the first valve block is communicated with the piston cylinder through a second communication channel. The pushing cylinder is used for controlling the position of the piston, an overbreak gap existing between a pipe piece and a tunnel stratum is rapidly filled up after the shield tail is disengaged from the pipe piece in a shield tunneling advancing process and water seeping of a pipe piece joint and a tail gap is effectively prevented. Ground surface settlement is hindered. The shield tail synchronous embedding type double liquid slip casting device of the shield tunneling machine is applicable to geologies of all sorts, easy to operate, not prone to plugging and capable of improving construction efficiency.
Description
Technical field
The utility model relates to a kind of grouting device, relates 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 the Main Means of Urban Underground construction gradually by feat of the advantage of self.In shield driving process, when shield tail departs from behind section of jurisdiction, because cutterhead excavation face diameter is greater than 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, conventionally adopt 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 external two-liquid grouting device is due to outstanding shield body, the easy card shield phenomenon that occurs, therefore be only applicable to weak soil, be not suitable for other geology; B liquid pipe is inserted to the two-liquid grouting device complicated operation that mixes slip casting in A liquid pipe, liquid blockage easily occurs, practical effect is not good.Therefore, in shield-tunneling construction, need one badly and 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 utility model 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, and can improve efficiency of construction.
The utility model adopts following technical proposals:
The synchronous embedded two-liquid grouting device of a kind of shield machine shield tail, comprise the first valve piece being embedded in 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 with in second valve piece, be provided with corresponding A liquid passage, B liquid passage, piston channel and aquaporin, in the first valve piece, be provided with B liquid socket and piston rod, piston rod front end is provided with mixed liquor jet, in B liquid passage, be provided with many B liquid pipes, the B liquid pipe one end that is positioned at the first valve piece is connected with B nozzle for liquid, B nozzle for liquid is arranged in B liquid socket, in piston channel, be provided with piston rod, the 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.
The first described valve piece is connected by A liquid seamed pipe and sealing ring with second valve piece junction at the first valve piece with the A liquid passage of corresponding setting in second valve piece; The first described valve piece is connected by water seamed pipe and sealing ring with second valve piece junction at the first valve piece with the aquaporin of corresponding setting in second valve piece.
The other end of described piston rod connects propulsion cylinder by jack Connection Block, and propulsion cylinder is fixed on shield body contiguous block by ear seat.
Described B liquid socket and piston rod are all bolted on the first valve piece.
The utility model utilizes propulsion cylinder control piston position, in the time that 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 arranging by piston rod front end ejection, make up rapidly the gap of backbreaking existing between section of jurisdiction and stratum, and effectively prevent from the infiltration of segment joint and tail gap from suppressing ground settlement; In the time that piston blocks mixed liquor jet, also can realize the flushing to A liquid passage.The utility model is embedded in 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.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the structural representation of the first valve piece described in the utility model;
Fig. 4 is position view of the present utility model.
The specific embodiment
As shown in Figure 1 to Figure 3, the utility model comprises the first valve piece 1, second valve piece 2 and shield body contiguous block 3, the first valve piece 1 welds with second valve piece 2, second valve piece 2 welds with shield body contiguous block 3, the first valve piece 1 with in second valve piece 2, be provided with corresponding A liquid passage 4, B liquid passage 5, piston channel 6 and water channel 7, the first valve piece 1 is connected by A liquid seamed pipe 8 and sealing ring 9 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 by water seamed pipe 10 and sealing ring 9 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 mixed liquor jet, in B liquid passage 5, be provided with many B liquid pipes 14, B liquid pipe 14 one end 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, B liquid socket 12 positions B nozzle for liquid 15, in piston channel 6, be provided with piston rod 16, piston rod 16 one end 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.
The utility model in use, in the time that shield machine normally tunnels, regain by propulsion cylinder 18 and piston rod 16, now the opening of piston 17 shutoff the second communicating passage 22 on piston rod 13.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 arranging 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, making up rapidly shield tail in shield driving process departs from behind section of jurisdiction, the gap of backbreaking existing between section of jurisdiction and stratum, tunnel, and effectively prevent the infiltration of segment joint and tail gap, suppress ground settlement.
In the time carrying out mechanical repair and maintenance and stop slip casting, when propulsion cylinder 18 and piston rod 16 stretch out, the now mixed liquor jet on piston 17 shutoff piston rods 13.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, guarantee practical effect.B liquid pipe 14 and B nozzle for liquid 15 can regularly split out and clean, and the multistage B liquid pipe 14 being threaded connection can be extracted cleaning from B liquid passage 5, further prevent that biliquid slurry from blocking B nozzle for liquid 15.
The utility model is directly embedded in shield tail, does not give prominence in a circumferential direction shield body, has effectively avoided the problem of shield tail clamping stagnation in the time of non-Soft Clay construction.Meanwhile, as shown in Figure 4, the utility model is that in figure, 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 utility model; but the utility model is not limited to above-mentioned embodiment; in the ken possessing at described field those of ordinary skill; any modification of doing within spirit of the present utility model and principle, be equal to and substitute and improvement etc., within it all should be encompassed in the technical scheme scope of the utility model request 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 being embedded in 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 with in second valve piece, be provided with corresponding A liquid passage, B liquid passage, piston channel and aquaporin, the first valve piece end is provided with B liquid socket and piston rod, piston rod front end is provided with mixed liquor jet, in B liquid passage, be provided with many B liquid pipes, one end that is positioned at the first valve piece of B liquid pipe is connected with B nozzle for liquid, B nozzle for liquid is arranged in B liquid socket, in piston channel, be provided with piston rod, one 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: the first described valve piece is connected by A liquid seamed pipe and sealing ring with second valve piece junction at the first valve piece with the A liquid passage of corresponding setting in second valve piece; The first described valve piece is connected by water seamed pipe and sealing ring with second valve piece junction at the first valve piece with the aquaporin of corresponding setting in 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 jack Connection Block, and propulsion cylinder is fixed on shield body contiguous block by ear seat.
4. the synchronous embedded two-liquid grouting device of shield machine shield tail according to claim 3, is characterized in that: described B liquid socket and piston rod are all bolted on the first valve piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880848.9U CN203669882U (en) | 2013-10-15 | 2013-12-26 | Shield tail synchronous embedding type double liquid slip casting device of shield tunneling machine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481311.X | 2013-10-15 | ||
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203669882U true CN203669882U (en) | 2014-06-25 |
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 |
| CN201310730614.0A Active CN103821539B (en) | 2013-10-15 | 2013-12-26 | A kind of shield machine shield tail synchronizes embedded two-liquid grouting device |
| 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 |
Family Applications Before (2)
| 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 |
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821539A (en) * | 2013-10-15 | 2014-05-28 | 中铁工程装备集团有限公司 | Shield tunneling machine shield tail synchronous embedded-type double-liquid grouting device |
| CN104314587A (en) * | 2014-10-27 | 2015-01-28 | 山东科技大学 | Targeted domain-control grouting device and grouting process |
| CN104675409A (en) * | 2015-02-13 | 2015-06-03 | 济南轨道交通集团有限公司 | Push shot telescopic self-locking device and method for reducing stratum loss caused by gap of shield tail |
| CN107676105A (en) * | 2016-08-02 | 2018-02-09 | 上海力行工程技术发展有限公司 | A kind of anti-blocking component of shield machine slip casting |
| 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 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN110608042B (en) * | 2019-10-30 | 2024-03-19 | 华东交通大学 | Synchronous grouting device for shield tunnel construction |
| CN110805456B (en) * | 2019-11-18 | 2020-11-17 | 中建八局轨道交通建设有限公司 | Double-pipe type shield tail grouting device |
| CN115637991B (en) * | 2022-12-26 | 2023-03-28 | 中南大学 | Shield type TBM tunnel wall back grouting equipment |
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 CN201310730614.0A patent/CN103821539B/en active Active
- 2013-12-26 CN CN201320880848.9U patent/CN203669882U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821539A (en) * | 2013-10-15 | 2014-05-28 | 中铁工程装备集团有限公司 | Shield tunneling machine shield tail synchronous embedded-type double-liquid grouting device |
| CN104314587A (en) * | 2014-10-27 | 2015-01-28 | 山东科技大学 | Targeted domain-control grouting device and grouting process |
| CN104675409A (en) * | 2015-02-13 | 2015-06-03 | 济南轨道交通集团有限公司 | Push shot telescopic self-locking device and method for reducing stratum loss caused by gap of shield tail |
| CN107676105A (en) * | 2016-08-02 | 2018-02-09 | 上海力行工程技术发展有限公司 | A kind of anti-blocking component of shield machine slip casting |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103498684A (en) | 2014-01-08 |
| CN103821539B (en) | 2016-08-31 |
| CN103821539A (en) | 2014-05-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Ningchuan Inventor after: Ye Lei Inventor after: Pang Peiyan Inventor after: Zhao Hua Inventor after: Wang Dujuan Inventor after: Zhuo Xingjian Inventor after: Ning Haosong Inventor before: Zhang Ningchuan Inventor before: Wei Lei Inventor before: Pang Peiyan Inventor before: Zhao Hua Inventor before: Wang Dujuan Inventor before: Zhuo Xingjian Inventor before: Ning Haosong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG NINGCHUAN WEI LEI PANG PEIYAN ZHAO HUA WANG DUJUAN ZHUO XINGJIAN NING HAOSONG TO: ZHANG NINGCHUAN YE LEI PANG PEIYAN ZHAO HUA WANG DUJUAN ZHUO XINGJIAN NING HAOSONG |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |