CN202832567U - Single or double grout injection system of shield tunneling machine - Google Patents
Single or double grout injection system of shield tunneling machine Download PDFInfo
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- CN202832567U CN202832567U CN201220472875.8U CN201220472875U CN202832567U CN 202832567 U CN202832567 U CN 202832567U CN 201220472875 U CN201220472875 U CN 201220472875U CN 202832567 U CN202832567 U CN 202832567U
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Abstract
The utility model discloses a single or double grout injection system of a shield tunneling machine. The single or double grout injection system comprises a first grout storage tank, a first pressure distribution valve, a second grout storage tank and a second pressure distribution valve. A plurality of first grout synchronous grout injection pipelines are connected on a first grout outlet of the first pressure distribution valve in a parallel mode, and a plurality of second grout synchronous grout injection pipelines are connected on a second grout outlet of the second pressure distribution valve in a parallel mode. The second grout synchronous grout injection pipelines are matched with the first grout synchronous grout injection pipelines in number. One first grout synchronous grout injection pipeline and one second grout synchronous grout injection pipeline forms a synchronous grout injection passage after passing a mixer. The first grout synchronous grout injection pipelines and the second grout synchronous grout injection pipelines are arranged so that opening and closing of the first grout synchronous grout injection pipelines and the second grout synchronous grout injection pipelines are respectively controlled by the first pressure distribution valve and the second pressure distribution valve at sprout injection time, and therefore single grout injection or double grout injection can be realized. The single or double grout injection system can be used in various shield tunneling machines.
Description
Technical field
The utility model relates to a kind of shield machine list biliquid slurry filling system.
Background technology
In the shield-tunneling construction process, the diameter of shield structure inner walls is greater than the external diameter of pipe-plate lining, so that the installation of lining cutting and the construction of shield structure curve need; Shield structure cutting diameter is added the thickness of shield structure housing greater than the shield machine external diameter, and this has just formed theoretic structure void.The reason of stratum settlement mainly is that surrounding soil lost support and will move to the section of jurisdiction after the shield tail broke away from the section of jurisdiction, loosening, the excess pore water pressure decline phenomenon in formation stratum.If timely filling is not carried out in this space, then certainly will cause Stratum Loss, cause ground settlement, and then affect all kinds of buildings in earth's surface and underground utilities facility.
In order to reduce shield-tunneling construction to the impact of formation displacement, so must adopt comparatively effectively synchronous grouting method, on one side namely the shield structure is pushed ahead, Yi Bian being carried out timely slip casting, the structure void that produces behind the shield structure fills.Thereby reduce subsidence of foundations amount, guarantee environment and building safety, guarantee the early stage stability of pipe-plate lining, and improve the water resistance of lining cutting.
Because single, double liquid slurry all has different separately performance characteristics, in present shield-tunneling construction, two kinds of grouting process all have application in the shield synchronization slip casting system, can both guarantee the needs of shield machine slip casting under general geological environment.But work as shield machine under the complex geological conditions condition, single grouting process inevitably exposes its shortcoming.
And, in the existing various shield machine filling systems, single fluid grouting system, double-liquid grouting system are two cover filling systems separately, simultaneously, during synchronous grouting system and the secondary supplement filling system also be separately two cover filling systems, when carrying out slip casting, be difficult to realize that single, double liquid slurry switching and synchronous grouting, secondary supplement slip casting switches; Inconvenient operation in shield-tunneling construction affects efficiency of construction, and grouting quality is difficult for meeting the demands, and affects workmanship.
Now need a kind of filling system of between single fluid grouting system and two fluid grouting system, switching or between synchronous grouting system and secondary supplement filling system, switch be convenient to.
The utility model content
The purpose of this utility model is to provide a kind of shield machine list biliquid slurry filling system.
The solution that the utility model solves its technical problem is: a kind of shield machine list biliquid slurry filling system, it comprises the first slurries fluid reservoir, with tank connected the first pressure distributing valve of the first slurries liquid storage, the second slurries fluid reservoir and with tank connected the second pressure distributing valve of the second slurries liquid storage, be parallel with many first slurry synchronous slip casting pipelines in the first slurries outlet on described the first pressure distributing valve, be parallel with the second slurry synchronous slip casting pipeline with the first slurry synchronous slip casting number of tubes coupling in the outlet of the second slurries on described the second pressure distributing valve, every first slurry synchronous slip casting pipeline all mixes the synchronous grouting pipeline with one of formation after second a slurry synchronous slip casting device for cleaning pipeline is crossed blender.
As further improvement in the technical proposal, every first slurry synchronous slip casting pipeline all is equipped with pneumatic operated valve and hand-operated valve, and every second slurry synchronous slip casting pipeline all is equipped with pneumatic operated valve and hand-operated valve.
As further improvement in the technical proposal, also be provided with the outlet of the first liquid slurry secondary grouting on described the first pressure distributing valve, be connected with the first slurries secondary grouting pipeline in the outlet of described the first liquid slurry secondary grouting, described the first slurries secondary grouting pipeline is equipped with pneumatic operated valve and hand-operated valve; Also be provided with the outlet of the second liquid slurry secondary grouting on described the second pressure distributing valve, be connected with the second slurries secondary grouting pipeline in the outlet of described the second liquid slurry secondary grouting, described the second slurries secondary grouting pipeline is equipped with pneumatic operated valve and hand-operated valve, and the second slurries secondary grouting pipeline and the first slurries secondary grouting device for cleaning pipeline form a mixing secondary grouting pipeline after crossing blender.
As further improvement in the technical proposal, the quantity of described the first slurry synchronous slip casting pipeline is 4.
The beneficial effects of the utility model are: the utility model is by arranging the first slurry synchronous slip casting pipeline and the second slurry synchronous slip casting pipeline, and it is mixed the synchronous grouting pipeline by forming behind the blender, so when slip casting, the switching of the first slurry synchronous slip casting pipeline and the second slurry synchronous slip casting pipeline be can control respectively by the first pressure distributing valve and the second pressure distributing valve, thereby single liquid slurry slip casting or the slip casting of biliquid slurry realized.
The utility model also by respectively the first pressure distributing valve be connected pressure distributing valve and connect the second slurries secondary grouting pipeline and the first slurries secondary grouting pipeline, and both are mixed the secondary grouting pipeline by forming behind the blender, can realize by the control of the first pressure distributing valve and the second pressure distributing valve single slurries secondary grouting or two slurries secondary grouting so.
The utility model is applicable in the various shield machines.
Description of drawings
Below in conjunction with accompanying drawing and example the utility model is further described.
Fig. 1 is fundamental diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, describe application of the present utility model in detail.
With reference to Fig. 1, a kind of shield machine list biliquid slurry filling system, it comprises the first slurries fluid reservoir 1, the first pressure distributing valve 3 that is connected with the first slurries fluid reservoir 1, the second slurries fluid reservoir 2 and the second pressure distributing valve 4 that is connected with the second slurries fluid reservoir 2, be parallel with many first slurry synchronous slip casting pipelines in the first slurries outlet 31 on described the first pressure distributing valve 3, be parallel with the second slurry synchronous slip casting pipeline that mates with the first slurry synchronous slip casting number of tubes in the second slurries outlet 41 on described the second pressure distributing valve 4, every first slurry synchronous slip casting pipeline is all crossed blender 7 one of rear formation with second a slurry synchronous slip casting device for cleaning pipeline and is mixed the synchronous grouting pipeline.Certainly, operating pressure of the present utility model is provided by two plunger displacement pumps.
By the first slurry synchronous slip casting pipeline and the second slurry synchronous slip casting pipeline are set, and with it by blender 7 rear formation mixing synchronous grouting pipelines, so when slip casting, can control the switching of the first slurry synchronous slip casting pipelines and the second slurry synchronous slip casting pipeline by the first pressure distributing valve 3 and the second pressure distributing valve 4 respectively, thereby realize single liquid slurry slip casting or the slip casting of biliquid slurry.
Be further used as preferred embodiment, every first slurry synchronous slip casting pipeline all is equipped with pneumatic operated valve 5 and hand-operated valve 6, and every second slurry synchronous slip casting pipeline all is equipped with pneumatic operated valve 5 and hand-operated valve 6.
Be further used as preferred embodiment, also be provided with the first liquid slurry secondary grouting outlet 32 on described the first pressure distributing valve 3, be connected with the first slurries secondary grouting pipeline in described the first liquid slurry secondary grouting outlet 32, described the first slurries secondary grouting pipeline is equipped with pneumatic operated valve 5 and hand-operated valve 6; Also be provided with the second liquid slurry secondary grouting outlet 42 on described the second pressure distributing valve 4, be connected with the second slurries secondary grouting pipeline in described the second liquid slurry secondary grouting outlet 42, described the second slurries secondary grouting pipeline is equipped with pneumatic operated valve 5 and hand-operated valve 6, the second slurries secondary grouting pipelines and the first slurries secondary grouting device for cleaning pipeline and crosses a mixing of blender 7 rear formation secondary grouting pipeline.
By respectively the first pressure distributing valve 3 be connected pressure distributing valve 4 and connect the second slurries secondary grouting pipeline and the first slurries secondary grouting pipelines, and with both by blender 7 rear formation mixing secondary grouting pipelines, can realize by the control of the first pressure distributing valve and the second pressure distributing valve single slurries secondary grouting or two slurries secondary grouting so.
Be further used as preferred embodiment, the quantity of described the first slurry synchronous slip casting pipeline is 4.
The utility model has following four kinds of states when real work:
One, synchronous grouting applying working condition state
Close the pneumatic operated valve on the second slurries secondary grouting pipeline and the first slurries secondary grouting pipeline, open the pneumatic operated valve on the first slurry synchronous slip casting pipeline and the second slurry synchronous slip casting pipeline, control the first pressure distributing valve 3 and the second pressure distributing valve 4, open the first slurries outlet the 31 and second slurries outlet 41, close the first liquid slurry secondary grouting outlet the 32 and second liquid slurry secondary grouting outlet 42.This moment, two plunger displacement pumps were all supplied with synchronous grouting system.Whole system is in the synchronous grouting operating mode; By controlling the operating pressure of two plunger displacement pumps, can control the pressure of synchronous grouting, guarantee that grouting pressure is in the controlled range.
Two, secondary grouting applying working condition state
Open the pneumatic operated valve on the second slurries secondary grouting pipeline and the first slurries secondary grouting pipeline, close the pneumatic operated valve on the first slurry synchronous slip casting pipeline and the second slurry synchronous slip casting pipeline, control the first pressure distributing valve 3 and the second pressure distributing valve 4, close the first slurries outlet the 31 and second slurries outlet 41, open the first liquid slurry secondary grouting outlet the 32 and second liquid slurry secondary grouting outlet 42.This moment two equal supplying secondary filling systems of plunger displacement pump.Whole system is in secondary after-teeming slurry operating mode; By controlling the operating pressure of two plunger displacement pumps, can control the pressure of secondary grouting, guarantee that grouting pressure is in the controlled range.
Three, synchronous grouting and secondary supplement slip casting while applying working condition
Open the pneumatic operated valve on pneumatic operated valve, the first slurry synchronous slip casting pipeline and the second slurry synchronous slip casting pipeline on the second slurries secondary grouting pipeline, the first slurries secondary grouting pipeline, control the first pressure distributing valve 3 and the second pressure distributing valve 4, open the first slurries outlet the 31, second slurries outlet the 41, first liquid slurry secondary grouting outlet the 32 and second liquid slurry secondary grouting outlet 42.This moment, two plunger displacement pumps were supplied with synchronous grouting and secondary supplement filling system simultaneously.Operating pressure by controlling two plunger displacement pumps and the pressure distribution ratio of the first pressure distributing valve 3 and the second pressure distributing valve 4, can satisfy secondary supplement filling system and the different demands of synchronous grouting system to grouting pressure, namely both can control the pressure of synchronous grouting, guarantee that synchronous grouting pressure is in the controlled range, can control again the pressure of secondary supplement slip casting, guarantee that the secondary supplement grouting pressure is in the controlled range.
Four, single fluid grouting
In above-mentioned all operating modes, all visual requirement of engineering determines whether to need to add the second slurries by the valve group of controlling on the second slurry synchronous slip casting pipeline.Namely under all operating modes, can realize the switching of single liquid and biliquid.
More than be that preferred embodiments of the present utility model is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite of the utility model spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (4)
1. a shield machine list biliquid is starched filling system, it is characterized in that: it comprises the first slurries fluid reservoir (1), the first pressure distributing valve (3) that is connected with the first slurries fluid reservoir (1), the second slurries fluid reservoir (2) and the second pressure distributing valve (4) that is connected with the second slurries fluid reservoir (2), be parallel with many first slurry synchronous slip casting pipelines in the first slurries outlets (31) on described the first pressure distributing valve (3), be parallel with the second slurry synchronous slip casting pipeline that mates with the first slurry synchronous slip casting number of tubes in the second slurries outlets (41) on described the second pressure distributing valve (4), every first slurry synchronous slip casting pipeline is all crossed one of the rear formation of blender (7) with second a slurry synchronous slip casting device for cleaning pipeline and is mixed the synchronous grouting pipeline.
2. shield machine list biliquid according to claim 1 is starched filling system, it is characterized in that: every first slurry synchronous slip casting pipeline all is equipped with pneumatic operated valve (5) and hand-operated valve (6), and every second slurry synchronous slip casting pipeline all is equipped with pneumatic operated valve (5) and hand-operated valve (6).
3. shield machine list biliquid according to claim 2 is starched filling system, it is characterized in that: also be provided with the first liquid slurry secondary grouting outlet (32) on described the first pressure distributing valve (3), be connected with the first slurries secondary grouting pipeline in described the first liquid slurry secondary grouting outlet (32), described the first slurries secondary grouting pipeline is equipped with pneumatic operated valve (5) and hand-operated valve (6); Also be provided with the second liquid slurry secondary grouting outlet (42) on described the second pressure distributing valve (4), be connected with the second slurries secondary grouting pipeline in described the second liquid slurry secondary grouting outlet (42), described the second slurries secondary grouting pipeline is equipped with pneumatic operated valve (5) and hand-operated valve (6), and the second slurries secondary grouting pipeline and the first slurries secondary grouting device for cleaning pipeline form a mixing secondary grouting pipeline after crossing blender (7).
4. shield machine list biliquid according to claim 1 is starched filling system, and it is characterized in that: the quantity of described the first slurry synchronous slip casting pipeline is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220472875.8U CN202832567U (en) | 2012-09-14 | 2012-09-14 | Single or double grout injection system of shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220472875.8U CN202832567U (en) | 2012-09-14 | 2012-09-14 | Single or double grout injection system of shield tunneling machine |
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| Publication Number | Publication Date |
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| CN202832567U true CN202832567U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220472875.8U Expired - Lifetime CN202832567U (en) | 2012-09-14 | 2012-09-14 | Single or double grout injection system of shield tunneling machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953365A (en) * | 2014-05-20 | 2014-07-30 | 中铁四局集团有限公司 | Single/double slurry alternated grouting reinforcement technology of tunnel and device of single/double slurry alternated grouting reinforcement technology |
| CN104074530A (en) * | 2014-06-17 | 2014-10-01 | 中铁十五局集团有限公司 | Shield synchronous grouting construction method and construction material |
| CN104745206A (en) * | 2013-11-29 | 2015-07-01 | 中冶天工集团有限公司 | Slurry filling device based on 90-degree central angle fan-shaped distribution box |
| CN106437761A (en) * | 2016-08-08 | 2017-02-22 | 中国矿业大学(北京) | Multi-head grout injection equipment |
| CN110552721A (en) * | 2019-10-23 | 2019-12-10 | 阳铁机械（杭州）有限公司 | double-liquid wall post-grouting equipment |
-
2012
- 2012-09-14 CN CN201220472875.8U patent/CN202832567U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745206A (en) * | 2013-11-29 | 2015-07-01 | 中冶天工集团有限公司 | Slurry filling device based on 90-degree central angle fan-shaped distribution box |
| CN103953365A (en) * | 2014-05-20 | 2014-07-30 | 中铁四局集团有限公司 | Single/double slurry alternated grouting reinforcement technology of tunnel and device of single/double slurry alternated grouting reinforcement technology |
| CN104074530A (en) * | 2014-06-17 | 2014-10-01 | 中铁十五局集团有限公司 | Shield synchronous grouting construction method and construction material |
| CN106437761A (en) * | 2016-08-08 | 2017-02-22 | 中国矿业大学(北京) | Multi-head grout injection equipment |
| CN110552721A (en) * | 2019-10-23 | 2019-12-10 | 阳铁机械（杭州）有限公司 | double-liquid wall post-grouting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510220 Guangdong city of Guangzhou province Haizhuqu District Yue Xuan Street No. 81 (G-3) 1501-1512, 1604-1607 room Patentee after: CHINA TUNNEL CONSTRUCTION GROUP CO.,LTD. GUANGDONG Address before: 9, building 510620, industrial building, 101 Tianhe Road, Guangzhou, Guangdong, Tianhe District Patentee before: CHINA TUNNEL CONSTRUCTION Co.,Ltd. GUANGDONG |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |