CN202926342U - Synchronous grouting system for shield tunneling machine - Google Patents
Synchronous grouting system for shield tunneling machine Download PDFInfo
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- CN202926342U CN202926342U CN 201220647940 CN201220647940U CN202926342U CN 202926342 U CN202926342 U CN 202926342U CN 201220647940 CN201220647940 CN 201220647940 CN 201220647940 U CN201220647940 U CN 201220647940U CN 202926342 U CN202926342 U CN 202926342U
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- grouting
- ball valve
- slip casting
- main line
- pneumatic ball
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Abstract
The utility model discloses a synchronous grouting system for a shield tunneling machine and relates to the technical field of the shielding tunneling machine. The synchronous grouting system for the shield tunneling machine comprises pneumatic ball valves, a flow rate and pressure sensors, wherein one end of one pneumatic ball valve of a first main grouting pipeline is connected with a grouting pump, and the other end of the pneumatic ball valve is divided into four branches via the flow rate, and each of the four branches is connected to the tail of the shielding tunneling machine through one pneumatic ball valve and one pressure sensor; the system also comprises a second main grouting pipeline, three branches are arranged in the second main grouting pipeline, an electric ball valve is arranged in the first branch, and ball valves are arranged in the second branch and the third branch; and the first main grouting pipeline is connected with the second main grouting pipeline through a tee joint. The synchronous grouting system has two main grouting pipelines, realizes the secondary grouting function and can carry out grouting in the time period that one ring is tunneled completely and the next ring is not started yet, so that the tunneling is not delayed at all, and the working efficiency is improved.
Description
Technical field
The utility model relates to the shield machine technical field, relates in particular to a kind of shield machine synchronous grouting system.
Background technology
In the shield machine tunneling process, because excessive being difficult to of sedimentation that the reasons such as stratum, Secondary Disturbance cause avoided, in this case, must adopt secondary grouting to control sedimentation.In shield structure industry, the most frequently used secondary grouting method is with electronic or Pneumatic grouting pump, cement grout to be plugged the gap to the back side, section of jurisdiction by the hole for hoist slip casting on the section of jurisdiction, required cement paste is to stir by artificial substantially in this course, and the tunnel volume is limited because the volume of grouting pump and cement is excessive, therefore be difficult to realize tunneling to synchronize with secondary grouting carrying out, even if reluctantly they are carried out simultaneously, also must have a great impact drivage efficiency.
In the Beijing Metro No. 10 line second phase 07 right threaded list of mark road tunneling process, because the stratum is mainly sandy gravel, the phenomenon of backbreaking inevitably appears, and because left line is crossed once ground disturbance, right line again by the time belong to Secondary Disturbance, so sedimentation is large especially.Particularly in the tunnel piercing later stage, shield ventral brush serious wear, the regular spillage situation that occurs of shield tail, at this moment synchronous grouting can't well be filled the structure void that occurs after pipe sheet assembling, and surface settlement is very serious, reaches 39mm when maximum, third-party early warning reaches 6 more than, but the duration at that time is very urgent again, carries out secondary grouting if stop, and the node duration must complete.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of shield machine synchronous grouting system, and described system can realize secondary grouting, tunneled one the ring next the ring also do not begin during this period of time in, just can carry out slip casting, improved operating efficiency.
for solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of shield machine synchronous grouting system, comprise pneumatic ball valve, flow meter and pressure sensor, article one, one end of the pneumatic ball valve on the slip casting main line is connected with grouting pump, the other end is divided into four branch roads after flow meter, every branch road accesses the shield tail after pneumatic ball valve and pressure sensor, it is characterized in that described system also comprises second slip casting main line, described second slip casting main line is provided with three branch roads, article one, branch road is provided with electrical ball valve, second branch road and the 3rd branch road are provided with ball valve, article one, the slip casting main line connects by threeway with second slip casting main line.
Preferably: described second slip casting main line is provided with pneumatic ball valve.
Preferably: described second slip casting main line is provided with pressure sensor.
The beneficial effect that adopts technique scheme to produce is: described system comprises two slip casting main lines, possess the secondary grouting function, tunneled one the ring next the ring also do not begin during this period of time in, just can carry out slip casting, can not delay driving fully, improve operating efficiency.In addition, the required slurries of described system can directly use the slurries of synchronous grouting, have saved slurries this one of manually mixing cement, and have greatly saved manpower, have further improved operating efficiency.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the composition schematic diagram of native system;
Wherein: 1, grouting pump 2, pneumatic ball valve 3, flow meter 4, ball valve 5, pressure sensor 6, electrical ball valve 7, threeway 8, chassis 9, shield tail 10, article one slip casting main line 11, second slip casting main line.
The specific embodiment
As shown in Figure 1, a kind of shield machine synchronous grouting system, comprise pneumatic ball valve 2, flow meter 3 and pressure sensor 5, article one, one end of the pneumatic ball valve 2 on slip casting main line 10 is connected with grouting pump 1, the other end is divided into four branch roads after flow meter 3, every branch road accesses shield tail 9 after pneumatic ball valve 2 and pressure sensor 5.Described system also comprises second slip casting main line 11, described second slip casting main line 11 is provided with pneumatic ball valve 2 and pressure sensor 5, also be provided with three branch roads on described second slip casting main line 11, article one, branch road is provided with electrical ball valve 6, second branch road and the 3rd branch road are provided with ball valve 4, and article one slip casting main line 10 is connected with second slip casting main line and is connected by threeway 7.
It is to divide four the road to be injected into the rear portion, section of jurisdiction from the shield tail cement grout by grouting pump that shield machine carries synchronous grouting equipment.After threeway of original flow meter rear portion access, keeping original synchronous grouting pipeline is that article one slip casting main line is normal, pipeline is extended to chassis access successively pneumatic ball valve and pressure sensor on increasing the second slip casting main line that after.Described system reserves respectively a filling adaptor at the most inboard chassis and outermost chassis, i.e. A in figure, B two places, when having served as building etc. to the very high location of settlement request, while tunneling in the top slip casting of the most inboard chassis, can structure void be filled up fully as quickly as possible, guarantee the stable of ground, if when the settlement request on ground is not very high, can by the sedimentation report of every day, be chosen at the outermost chassis the local slip casting that the accumulative total sedimentation is large or the rate of settling is excessive.
Also have a very important problem to need to solve in secondary grouting, because the frequency of secondary grouting generally can be too not high, if cement grout remains static for a long time, be easy to solidify and cause pipeline blockage.Therefore add one simply to wash the pipe device, shown in C in figure, accessed a water pipe in pipeline, annotated slurry afterwards directly with pipeline-cleaning one time at every turn.For easy to operate, the control mode of electric equipment of newly access has been write in shield machine PLC program, make operator just can complete whole operations in driver's cabin.
Described system comprises two slip casting main lines, possesses the secondary grouting function, tunneled one the ring next the ring also do not begin during this period of time in, just can carry out slip casting, can not delay driving fully, improved operating efficiency.In addition, the required slurries of described system can directly use the slurries of synchronous grouting, have saved slurries this one of manually mixing cement, and have greatly saved manpower, have further improved operating efficiency.
Used specific case herein principle of the present utility model and embodiment thereof are set forth, the explanation of above embodiment is just with helping understand method of the present utility model and core concept thereof.Should be pointed out that for the person of ordinary skill of the art, can also carry out some improvement and modification to the utility model under the prerequisite that does not break away from the utility model principle, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (3)
1. shield machine synchronous grouting system, comprise pneumatic ball valve (2), flow meter (3) and pressure sensor (5), article one, one end of the pneumatic ball valve (2) on slip casting main line (10) is connected with grouting pump (1), the other end is divided into four branch roads after flow meter (3), every branch road accesses shield tail (9) after pneumatic ball valve (2) and pressure sensor (5), it is characterized in that described system also comprises second slip casting main line (11), described second slip casting main line (11) is provided with three branch roads, article one, branch road is provided with electrical ball valve (6), second branch road and the 3rd branch road are provided with ball valve (4), article one, slip casting main line (10) is connected 11 with second slip casting main line) connect by threeway (7).
2. a kind of shield machine synchronous grouting system according to claim 1, is characterized in that described second slip casting main line (11) is provided with pneumatic ball valve (2).
3. a kind of shield machine synchronous grouting system according to claim 1 and 2, is characterized in that described second slip casting main line (11) is provided with pressure sensor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647940 CN202926342U (en) | 2012-11-30 | 2012-11-30 | Synchronous grouting system for shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647940 CN202926342U (en) | 2012-11-30 | 2012-11-30 | Synchronous grouting system for shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926342U true CN202926342U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220647940 Expired - Fee Related CN202926342U (en) | 2012-11-30 | 2012-11-30 | Synchronous grouting system for shield tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202926342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437785A (en) * | 2013-09-04 | 2013-12-11 | 中建交通建设集团有限公司 | System for recycling slurry and water of grouting pipeline cleaning for shield machine |
| CN106437761A (en) * | 2016-08-08 | 2017-02-22 | 中国矿业大学(北京) | Multi-head grout injection equipment |
-
2012
- 2012-11-30 CN CN 201220647940 patent/CN202926342U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437785A (en) * | 2013-09-04 | 2013-12-11 | 中建交通建设集团有限公司 | System for recycling slurry and water of grouting pipeline cleaning for shield machine |
| CN103437785B (en) * | 2013-09-04 | 2015-11-18 | 中建交通建设集团有限公司 | Slurries and the Water Sproading of grouting pipeline for shield machine cleaning utilize system and method for operating |
| CN106437761A (en) * | 2016-08-08 | 2017-02-22 | 中国矿业大学(北京) | Multi-head grout injection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131130 |