CN103953820B - A kind of obturator device for slurry balance shield machine pipeline stretch system - Google Patents
A kind of obturator device for slurry balance shield machine pipeline stretch system Download PDFInfo
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- CN103953820B CN103953820B CN201410192596.XA CN201410192596A CN103953820B CN 103953820 B CN103953820 B CN 103953820B CN 201410192596 A CN201410192596 A CN 201410192596A CN 103953820 B CN103953820 B CN 103953820B
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- tunnel
- mud
- mud tube
- inaccessible cylinder
- shield machine
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- 239000002002 slurry Substances 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
- F16L55/132—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially deforming the packing
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a kind of obturator device for slurry balance shield machine pipeline stretch system, comprise closer and three-way device; Closer comprises end flange, damping device, cylindrical shell and has flexible inaccessible cylinder; Three-way device comprises housing, solid of rotation and driving mechanism, enters in the mud tube in tunnel under the effect of inaccessible cylinder hydraulic pressure in high-pressure water pipe; During replace tubes, gate valve on the mud tube in tunnel is closed, and the frictional force between the mud tube in inaccessible cylinder and tunnel to be greater than in tunnel in mud tube all mud to the positive thrust of described inaccessible cylinder; After replace tubes, the gate valve in tunnel on mud tube is opened, and the frictional force between the mud tube in inaccessible cylinder and tunnel to be less than in tunnel in mud tube all mud to the positive thrust of described inaccessible cylinder.Overall structure of the present invention is simplified, and cost is low; Utilize the performance of the resiliently deformable of inaccessible cylinder to realize inaccessible cylinder closing mud in mud tube in tunnel, occlusive effect is good, easy to use.
Description
Technical field
The present invention relates to and belong to tunnel construction apparatus field, especially, relate to a kind of obturator device for slurry balance shield machine pipeline stretch system.
Background technique
In recent years, slurry balance shield machine is being crossed in rivers tunnel construction, with its safety, efficiently feature, is widely used in the subterranean tunnel construction projects such as municipal engineering, urban track traffic, railway, highway, water conservancy construction.The extension that is efficient, that clean of slurry balance shield machine mud channel is the important guarantee of slurry balance shield machine safety, efficient construction.
At present, along with the increase of length of tunnel, mud channel also increases thereupon, mud content in pipeline also strengthens thereupon, and when increasing new pipeline, original mud can pour out from jointing, affect construction speed, and severe contamination tunnel environment, bring a lot of trouble to subsequent construction.
The existing interlocking device complex structure for mud channel, cost is high, and needs high technology personnel, uses inconvenience.
Therefore, design that a kind of structure is simplified, cost is low, easy operation and the obturator device that occlusive effect is used on slurry balance shield machine pipeline stretch system have great importance.
Summary of the invention
The obturator device that the object of the invention is to provide that a kind of structure is simplified, cost is low, easy operation and occlusive effect are used on slurry balance shield machine pipeline stretch system, concrete technological scheme is as follows:
For an obturator device for slurry balance shield machine pipeline stretch system, comprise closer and three-way device;
Described closer comprises end flange, damping device, cylindrical shell and has flexible inaccessible cylinder, and one end of described end flange is communicated with high-pressure water pipe, and the other end links together with one end of described cylindrical shell is concentric; Described damping device is positioned at the inside of described cylindrical shell with one heart, and its one end to be fixed on one heart in described end flange and to communicate with described high-pressure water pipe, the end thereof contacts of the other end and described inaccessible cylinder; Described inaccessible cylinder is mounted concentrically in described cylindrical shell; Described cylindrical shell is provided with water draw-off, and described water draw-off is arranged on immediately below described damping device;
Described three-way device comprises housing, solid of rotation and driving mechanism, and described housing is provided with the first opening for being communicated with described closer, for the second opening of being communicated with shield machine mud tube and the 3rd opening for being communicated with the mud tube in tunnel; Described solid of rotation is arranged in described housing with one heart; Described solid of rotation and drive it to be communicated with the first opening and the 3rd opening and to be communicated with the second opening to be connected with the driving mechanism of the 3rd opening;
Enter in the mud tube in tunnel under the effect of the hydraulic pressure of described inaccessible cylinder in described high-pressure water pipe; During replace tubes, when the gate valve on the mud tube in tunnel is closed, the frictional force between the mud tube in described inaccessible cylinder and tunnel to be greater than in tunnel in mud tube all mud to the positive thrust of described inaccessible cylinder; After replace tubes, when the gate valve on mud tube in tunnel is opened, the frictional force between the mud tube in described inaccessible cylinder and tunnel to be less than in tunnel in mud tube all mud to the positive thrust of described inaccessible cylinder.
Preferred in above technological scheme, described inaccessible cylinder comprises shell and fills the spheroid of its inside, and the material of described shell is abrasion resistant polyurethane, and the material of described spheroid is polyurethane foam.
Preferred in above technological scheme, the external diameter of the shell of described inaccessible cylinder is 0.8-0.98 times of the internal diameter of mud tube in tunnel, and the length of described shell is 5/2 to six/3rds of the length of described cylindrical shell.
Preferred in above technological scheme, described driving mechanism is fuel cylinder driving mechanism.
Preferred in above technological scheme, described solid of rotation supports through bearings at both ends and is arranged on one heart in described housing.
Preferred in above technological scheme, described water draw-off is the pipeline of band valve.
Preferred in above technological scheme, described damping device is pipeline, the internal diameter of described pipeline be the 1.2-2.0 of the internal diameter of described high-pressure water pipe doubly, its external diameter be the 0.5-0.8 of described cylinder internal diameter doubly.
In order to reach better technique effect, also comprise high-pressure water device, described high-pressure water device is communicated with described damping device by described high-pressure water pipe.
The present invention has following beneficial effect:
(1) the present invention comprises closer and three-way device two large divisions for the obturator device of slurry balance shield machine pipeline stretch system, and overall structure is simplified, and cost is low; Utilize the performance of the resiliently deformable of inaccessible cylinder and and tunnel in frictional force between mud tube to offset in tunnel in mud tube mud to inaccessible cylinder positive pressure, realize inaccessible cylinder closing mud in mud tube in tunnel, complete the operation of mud stretch system circulation replace tubes, occlusive effect is good, simple to operate, easy to use.
(2) in the present invention, inaccessible cylinder comprises and being made up of shell and the spheroid of filling its inside, and the material of described shell is abrasion resistant polyurethane, and the material of described spheroid is polyurethane foam, utilizes the characteristic of polyurethane, improves occlusive effect.
(3) design of the relative dimensions of inaccessible cylinder in the present invention, is convenient to industrialized production, practical.
(4) in the present invention, driving mechanism adopts fuel cylinder driving mechanism, and cost is low, and convenient its stroke of control.
(5) in the present invention, water draw-off adopts the pipeline of band valve, and structure is simplified, the low and easy-to-operat of cost; Damping device adopts the pipeline of certain specification, and structure is simplified, and cost is low.
(6) be also provided with high-pressure water device in the present invention, the high-pressure water device carried by device provides power for closer, and parameters suitability is good, convenient operation.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the annexation figure of obturator device in concrete using process for slurry balance shield machine pipeline stretch system of the preferred embodiment of the present invention 1;
Fig. 2 is the structural representation of closer in Fig. 1;
Fig. 3 is the internal structure schematic diagram of three-way device in Fig. 1;
Fig. 4 is the structural representation of another angle of three-way device in Fig. 3;
Fig. 5 is the status architecture schematic diagram of the obturator device for slurry balance shield machine pipeline stretch system when the normal operation of slurry balance shield machine of Fig. 1;
Fig. 6 is the original state structural representation of inaccessible cylinder before replace tubes in Fig. 1;
Fig. 7 is status architecture schematic diagram when inaccessible cylinder advances in tunnel mud tube in Fig. 1 at replace tubes;
Structural representation when Fig. 8 is slurry balance shield machine pipeline stretch system replace tubes;
Fig. 9 is status architecture schematic diagram when inaccessible cylinder returns in cylindrical shell after replace tubes in Fig. 1;
Figure 10 is the work structuring schematic diagram of slurry balance shield machine pipeline stretch system after replace tubes.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can limit according to claim and cover is implemented.
Embodiment 1:
For an obturator device for slurry balance shield machine pipeline stretch system, refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, comprise closer 1, three-way device 2 and high-pressure water device, overall structure is simplified, and cost is low.
The structure of described closer 1 refers to Fig. 2, specifically comprise end flange 102, damping device 103, cylindrical shell 104 and there is flexible inaccessible cylinder 105, one end of described end flange 102 is communicated with high-pressure water pipe 101, the other end links together with one end of described cylindrical shell 104 is concentric, and described high-pressure water pipe 101 is connected with described high-pressure water device; Described damping device 103 is positioned at the inside of described cylindrical shell 104 with one heart, and its one end to be fixed on one heart in described end flange 102 and to communicate with described high-pressure water pipe 101, the end thereof contacts of the other end and described inaccessible cylinder 105; Described inaccessible cylinder 105 is mounted concentrically in described cylindrical shell 104; Described cylindrical shell 104 is provided with water draw-off 106, and described water draw-off 106 is arranged on immediately below described damping device 103, and the high-pressure water device carried by device provides power for closer, and parameters suitability is good, convenient operation.
Described water draw-off 106 adopts the pipeline of band valve, and structure is simplified, the low and easy-to-operat of cost; The design of water draw-off 106 is convenient to lay down the material such as mud and water taken back when inaccessible cylinder 105 is back in cylindrical shell 104.
Described damping device 103 adopts pipeline, and the internal diameter of described pipeline is 1.2-2.0 times of the internal diameter of described high-pressure water pipe 101, and its external diameter is 0.5-0.8 times of described cylindrical shell 104 internal diameter, and carry out of short duration buffering for high pressure water, structure is simplified, and is convenient to produce.
Described inaccessible cylinder 105 comprises shell and fills the spheroid of its inside, and the material of described shell is abrasion resistant polyurethane, and the material of described spheroid is polyurethane foam; The external diameter of the shell of described inaccessible cylinder 105 is 0.8-0.98 times of the internal diameter of mud tube in tunnel, the length of described shell is 5/2 to six/3rds of the length of described cylindrical shell 104, utilize the characteristic of polyurethane, improve occlusive effect, and the design of its relative dimensions, be convenient to industrialized production and close stick harness body, practical.
In the present invention, the design process of inaccessible cylinder 105 is as follows:
(1) calculating of power:
Ordinary circumstance, in tunnel, mud tube installs a gate valve every 200m, and the tunnel design maximum gradient is 30 ‰, and mud density is ρ=1.1g/cm
3, mud tube specification is 325 × 10mm, and namely mud tube internal diameter is 305mm, therefore the height difference h that in tunnel, 200m mud tube self is formed meets: h=200 × 30 ‰=6m, and therefore, the mud pressure P1 of formation meets: P1=h × ρ=0.66bar.
Be directed to 305mm spiral welded pipe, its internal diameter sectional area S=73024mm
2;
The frictional force that inaccessible cylinder 105 blocks mud should be greater than the pressure of 200m mud to inaccessible cylinder end face, i.e. f > f1=P1 × S=4820N.
The height difference of design starting well and mud and water separating equipment is pressed 15m and is calculated, the mud pressure P2=1.65bar formed, under this buried depth, the pressure that mud is formed should be greater than the frictional force that inaccessible cylinder 105 blocks mud, i.e. f < f2=P2 × S=12049N.
Inaccessible cylinder 105 is poured the frictional force f < f2=P2 × S=12049N of mud tube.
Therefore, inaccessible post, the 105 frictional force f1 < f < f2 formed with mud tube, namely frictional force preferably should meet between 4820 ~ 12049N: f=8000 ~ 9000N.
(2) selection of inaccessible cylinder 105
A, polyurethane characteristic
％NCO2.5；
Proportion (25 DEG C) 1.2;
B, mixing match
Performed polymer consumption (quality) 100;
E200 consumption (quality) 5.91;
C, processing conditions
Physical property after d, sulfuration
E, test result
The inaccessible cylinder 105 produced according to above-mentioned requirements is tested, inaccessible cylinder 105 can pressurize at more than 0.8bar, meet designing requirement.
Described three-way device 2 comprises housing 201, solid of rotation 202 and driving mechanism 203, refer to Fig. 3 and Fig. 4, described housing 201 is provided with the first opening 2011 for being communicated with described closer 1, for the second opening 2012 of being communicated with shield machine mud tube 3 and the 3rd opening 2013 for being communicated with the mud tube 4 in tunnel; Described solid of rotation 202 supports through bearings at both ends and is arranged in described housing 201 with one heart; Described solid of rotation 202 and drive it to be communicated with the first opening 2011 and to be connected with the driving mechanism 203 of the 3rd opening 2013 with the 3rd opening 2013 and the second opening 2012, driving mechanism 203 adopts fuel cylinder driving mechanism, and cost is low, and facilitates its stroke of control.
Enter in the mud tube 4 in tunnel under the effect of described inaccessible cylinder 105 hydraulic pressure in described high-pressure water pipe 101; During replace tubes, when the gate valve on the mud tube 4 in tunnel is closed, the frictional force between the mud tube 4 in described inaccessible cylinder 105 and tunnel to be greater than in tunnel in mud tube all mud to the positive thrust of described inaccessible cylinder 105; After replace tubes, when the gate valve on mud tube in tunnel is opened, the frictional force between the mud tube 4 in described inaccessible cylinder 105 and tunnel to be less than in tunnel in mud tube all mud to the positive thrust of described inaccessible cylinder 105.
The process that the obturator device adopting the present invention to be used for slurry balance shield machine pipeline stretch system carries out replace tubes is as follows:
1, when slurry balance shield machine normally works, closer 1 and the first opening 2011 are in closed condition, the second opening 2012 for being communicated with shield machine mud tube 3 is communicated with the 3rd opening 2013 for being communicated with the mud tube 4 in tunnel, and normal pulp, refers to Fig. 5;
When 2, needing replace tubes, water draw-off 106 is in closed condition, driving mechanism 203 drives solid of rotation 202 to rotate, be communicated with the 3rd opening 2013 being used for being communicated with the mud tube 4 in tunnel by the first opening 2011 being used for being communicated with described closer 1, the second opening 2012 and the 3rd opening 2013 are in off state; High-pressure water device is opened, and high pressure water enters in closer 1 through high-pressure water pipe 101, refers to Fig. 6; Under the pressure of high pressure water, inaccessible cylinder 105 enters in the mud tube 4 in tunnel, refers to Fig. 7;
3, the gate valve on the mud tube 4 in closure of a tunnel, inaccessible cylinder 105 after being out of shape by natural resiliency and the frictional force between the inwall of the mud tube 4 in tunnel to be greater than in tunnel in mud tube 4 all mud to the positive thrust of described inaccessible cylinder 105, thus remaining slurry in mud tube in tunnel 4 is blocked, reach the object preventing slurries from leaking; Close high-pressure water device, open water draw-off 106, high pressure water is discharged from the valve of water draw-off 106 and is collected in drain tank; Disconnect the connection of the mud tube 4 in the 3rd opening 2013 and tunnel, in the tunnel relatively disconnect whole obturator device, the port of mud tube 4 pulls open certain distance (being generally 6-10 rice), in three-way device 2 with tunnel, the gap of mud tube 4 adds equidistant new pipeline 5, refers to Fig. 8;
4, the gate valve on the mud tube 4 in tunnel is unclamped, by in mud tube in tunnel 4 mud deadweight produce pressure by inaccessible cylinder 105 refunds in cylindrical shell 104, keep water draw-off 106 to be in opening state, high-pressure water device is in closed condition, refers to Fig. 9 simultaneously;
5, driving mechanism 203 drives solid of rotation 202 to rotate, the second opening 2012 being used for being communicated with shield machine mud tube 3 is communicated with the 3rd opening 2013 being used for being communicated with the mud tube 4 in tunnel, first opening 2011 and the 3rd opening 2013 are in off state, slurry balance shield machine proceeds normal work, refers to Figure 10.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1., for an obturator device for slurry balance shield machine pipeline stretch system, comprise closer (1) and three-way device (2); It is characterized in that:
Described closer (1) comprises end flange (102), damping device (103), cylindrical shell (104) and has flexible inaccessible cylinder (105), one end of described end flange (102) is communicated with high-pressure water pipe (101), and the other end links together with one end of described cylindrical shell (104) is concentric; Described damping device (103) is positioned at the inside of described cylindrical shell (104) with one heart, its one end is fixed on described end flange (102) with one heart and goes up and communicate with described high-pressure water pipe (101), the end thereof contacts of the other end and described inaccessible cylinder (105); Described inaccessible cylinder (105) is mounted concentrically in described cylindrical shell (104); Described cylindrical shell (104) is provided with water draw-off (106), and described water draw-off (106) is arranged on immediately below described damping device (103);
Described three-way device (2) comprises housing (201), solid of rotation (202) and driving mechanism (203), and described housing (201) is provided with the first opening (2011) for being communicated with described closer (1), for the second opening (2012) of being communicated with shield machine mud tube and the 3rd opening (2013) for being communicated with the mud tube in tunnel; Described solid of rotation (202) is arranged in described housing (201) with one heart; Described solid of rotation (202) and drive it to be communicated with the first opening (2011) and the 3rd opening (2013) and to be communicated with the second opening (2012) to be connected with the driving mechanism (203) of the 3rd opening (2013);
Enter in the mud tube in tunnel under the effect of the hydraulic pressure of described inaccessible cylinder (105) in described high-pressure water pipe (101); During replace tubes, when the gate valve on the mud tube in tunnel is closed, the frictional force between the mud tube in described inaccessible cylinder (105) and tunnel to be greater than in tunnel in mud tube all mud to the positive thrust of described inaccessible cylinder (105); After replace tubes, when the gate valve on mud tube in tunnel is opened, the frictional force between the mud tube in described inaccessible cylinder (105) and tunnel to be less than in tunnel in mud tube all mud to the positive thrust of described inaccessible cylinder (105).
2. the obturator device for slurry balance shield machine pipeline stretch system according to claim 1, it is characterized in that: described inaccessible cylinder (105) comprises shell and fills the spheroid of its inside, the material of described shell is abrasion resistant polyurethane, and the material of described spheroid is polyurethane foam.
3. the obturator device for slurry balance shield machine pipeline stretch system according to claim 2, it is characterized in that: the external diameter of the shell of described inaccessible cylinder (105) is 0.8-0.98 times of the internal diameter of mud tube in tunnel, and the length of described shell is 5/2 to six/3rds of the length of described cylindrical shell (104).
4. the obturator device for slurry balance shield machine pipeline stretch system according to claim 1, is characterized in that: described driving mechanism (203) is fuel cylinder driving mechanism.
5. the obturator device for slurry balance shield machine pipeline stretch system according to claim 1, is characterized in that: described solid of rotation (202) supports through bearings at both ends and is arranged on one heart in described housing (201).
6. the obturator device for slurry balance shield machine pipeline stretch system according to claim 1, is characterized in that: described water draw-off (106) is the pipeline of band valve.
7. the obturator device for slurry balance shield machine pipeline stretch system according to claim 1, it is characterized in that: described damping device (103) is pipeline, the internal diameter of described pipeline is 1.2-2.0 times of the internal diameter of described high-pressure water pipe (101), and its external diameter is 0.5-0.8 times of described cylindrical shell (104) internal diameter.
8. the obturator device for slurry balance shield machine pipeline stretch system according to claim 1-7 any one, it is characterized in that: also comprise high-pressure water device, described high-pressure water device is communicated with described damping device (103) by described high-pressure water pipe (101).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410192596.XA CN103953820B (en) | 2014-05-08 | 2014-05-08 | A kind of obturator device for slurry balance shield machine pipeline stretch system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410192596.XA CN103953820B (en) | 2014-05-08 | 2014-05-08 | A kind of obturator device for slurry balance shield machine pipeline stretch system |
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| CN103953820B true CN103953820B (en) | 2015-12-09 |
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| CN110145324B (en) * | 2019-05-20 | 2023-09-12 | 中交天和机械设备制造有限公司 | Shield tunneling machine pipe extension device and method for connecting slurry pipeline in tunnel |
| CN113356866B (en) * | 2021-07-29 | 2023-11-21 | 安徽铜都流体科技股份有限公司 | Construction method of pipe changing valve for pipe connector of shield machine |
| CN114029291B (en) * | 2021-11-05 | 2023-01-20 | 中国铁建重工集团股份有限公司 | Shield tunneling machine pipeline cleaning robot, shield tunneling machine and shield tunneling machine pipeline cleaning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3172454B2 (en) * | 1996-08-12 | 2001-06-04 | 株式会社奥村組 | How to extend the pipeline |
| JP3572565B2 (en) * | 1997-06-24 | 2004-10-06 | 清水建設株式会社 | Face water pressure measuring device for muddy shield |
| CN101476467B (en) * | 2009-01-19 | 2011-05-04 | 上海隧道工程股份有限公司 | Pipe blocking device and pipe connection apparatus employing the same |
| CN103148313B (en) * | 2013-04-01 | 2015-08-19 | 中国铁建重工集团有限公司 | A kind of blocking device of shield machine pipeline joint and method |
| CN103615574B (en) * | 2013-11-29 | 2016-06-15 | 中国铁建重工集团有限公司 | Change-over valve device |
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