CN114922633A - Soil pressure detection device for shield tunneling machine and using method thereof - Google Patents
Soil pressure detection device for shield tunneling machine and using method thereof Download PDFInfo
- Publication number
- CN114922633A CN114922633A CN202210575377.4A CN202210575377A CN114922633A CN 114922633 A CN114922633 A CN 114922633A CN 202210575377 A CN202210575377 A CN 202210575377A CN 114922633 A CN114922633 A CN 114922633A
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- 239000002689 soil Substances 0.000 title claims abstract description 57
- 230000005641 tunneling Effects 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002002 slurry Substances 0.000 claims description 85
- 229910000831 Steel Inorganic materials 0.000 claims description 50
- 239000010959 steel Substances 0.000 claims description 50
- 238000007789 sealing Methods 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000007599 discharging Methods 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007569 slipcasting Methods 0.000 claims 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
-
- 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
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a soil pressure detection device for a shield tunneling machine and a using method thereof. The device communicates the soil bin at the front shield body of the shield machine through the grouting pipe, a new pressure sensor detection system can be quickly established, the problem of long-time shutdown and maintenance is avoided, the problem of sensor failure and damage in the working process of the shield machine is simply and conveniently solved, and the device is energy-saving, environment-friendly and low in cost.
Description
Technical Field
The invention relates to the technical field of tunnel construction equipment, in particular to a soil pressure detection device for a shield tunneling machine and a using method thereof.
Background
Along with the rapid development of rail transit in China, the construction of subways in various cities is converged to improve the construction scale, the existing subway tunnel construction method is more, and compared with other tunnel construction methods, the shield machine construction method has very obvious advantages, can pass through the underground of busy urban areas and bridges and rivers, is suitable for various environments, and is wide in application.
The shield machine integrates independent systems such as machine, electricity, light, hydraulic pressure, gas, water, slurry, mortar and the like, and is provided with an advanced program control system. All independent systems in the shield tunneling machine are mutually matched through a program control system, and the functions of shield propulsion, slag stroking, conveying, battery car transportation and the like are realized.
In the whole tunneling process of the shield tunneling machine, the soil bin sensor is eyes of an operator of the shield tunneling machine, soil cut by the cutter head in operation changes along with the pressure of the shield tunneling machine in tunneling, and in order to ensure that the pressure in the soil bin is stable and within a safe range when the cutter head is cut and stopped and prevent the ground from sinking, the soil bin pressure sensor must be ensured to be in a normal working state in the tunneling process of the shield tunneling machine. At present, the damage or the failure maintenance and the replacement of the soil pressure sensor generally need warehouse opening treatment, a freezing method or a mud film stratum is adopted, the environment is polluted, and the engineering shutdown causes huge financial loss.
Disclosure of Invention
The invention aims to provide an earth pressure detection device for a shield machine and a using method thereof, the device can quickly repair the problem that an earth pressure sensor of the shield machine in a tunneling state needs to be replaced immediately due to failure or damage, and has the advantages of energy conservation, environmental protection, time saving, cost saving and strong practicability.
In order to realize the purpose, the invention adopts the following technical scheme:
the earth pressure detection device for the shield machine comprises a slurry storage tank, an earth pressure sensor hermetically connected to the front end of the slurry storage tank, a slurry discharge pipe and a clear water pipe, wherein the slurry discharge pipe is communicated with the slurry storage tank;
and the inner cavity of the slurry storage tank is communicated with a soil bin at the front shield body of the shield tunneling machine through a grouting pipe.
Preferably, the front end of the front shield body of the shield machine is provided with a plurality of slurry storage tanks which are annularly arranged.
Preferably, the mud storage tank comprises a connecting steel sleeve and a sealing cover which is in bolt sealing connection with the front end of the connecting steel sleeve;
the connecting steel sleeve is hollow columnar, and the bottom of the connecting steel sleeve is fixedly arranged on the rear end face of the front shield body of the shield tunneling machine in a sealing manner;
and the sealing cover is provided with a round hole for connecting the soil pressure sensor and a flange hole for penetrating through the bolt.
Preferably, the longitudinal section of the sealing cover is pi-shaped and is inserted into the port of the connecting steel sleeve, and at least one first sealing ring is arranged at the connecting position of the sealing cover and the connecting steel sleeve;
the side wall of the sealing cover is correspondingly provided with a ring groove for clamping the first sealing ring;
one end of the grouting pipe is positioned in the connecting steel sleeve.
Preferably, the round hole is hermetically provided with a connecting sleeve, the soil pressure sensor is hermetically mounted on the connecting sleeve, one end of the soil pressure sensor penetrates through the sealing cover and is located in the connecting steel sleeve, and two ends of the soil pressure sensor are protruded out of the outer sides of two ends of the connecting sleeve; at least one second sealing ring is arranged between the soil pressure sensor and the connecting sleeve.
Preferably, one end of the slurry discharge pipe is arranged on the side wall of the connecting steel sleeve in a sealing mode and is communicated with the inner cavity of the connecting steel sleeve, and a slurry discharge valve is arranged on the slurry discharge pipe.
Preferably, the clear water pipe comprises a main pipe and a branch pipe, the port of the branch pipe is hermetically arranged on the side wall of the connecting steel sleeve and communicated with the inner cavity of the connecting steel sleeve, and a clear water valve is arranged on the main pipe of the clear water pipe.
Preferably, a grouting valve is arranged on the grouting pipe, the grouting valve extends to a control switch outside the connecting steel sleeve through a connecting rod, the connecting rod is connected with the connecting steel sleeve in a rotating and sealing mode, and the tail end of the connecting rod is connected with a hand valve.
Preferably, the outer side of the connecting rod is sleeved with a mounting sleeve and an end cover; the mounting sleeve is fixedly installed on the outer side wall of the connecting steel sleeve in a sealing mode and communicated with the inner cavity of the connecting steel sleeve, the end cover is detachably installed on the end portion of the mounting sleeve, and a third sealing ring is arranged between the end cover and the mounting sleeve.
The use method of the soil pressure detection device for the shield machine is characterized by comprising the following steps:
grouting, namely opening a grouting valve through a valve switch, and enabling slurry in a soil bin to enter an inner cavity of a slurry storage tank through a grouting pipe;
measuring pressure, namely measuring the pressure of the slurry filled into the inner cavity of the slurry storage tank through a soil pressure sensor;
step three, discharging slurry, namely closing the grouting valve through a valve switch, opening the slurry discharging valve, and discharging the slurry in the inner cavity of the slurry storage tank through a slurry discharging pipe;
and step four, cleaning, namely opening a clear water valve, injecting water into an inner cavity of the slurry storage tank through a clear water pipe to dilute and flush the slurry, discharging waste liquid through a slurry discharge pipe, and closing the slurry discharge valve and the clear water valve after cleaning.
According to the invention, after an original soil pressure sensor arranged in a soil bin of the shield machine is damaged and fails, slurry in the soil bin is introduced into a slurry storage tank arranged outside the soil bin through a grouting pipe, the soil pressure sensor measures the soil pressure in the slurry storage tank, a new soil pressure sensor measuring system is established to replace the damaged and failed soil pressure sensor to work, a clear water pipe is used for diluting and cleaning the slurry in the slurry storage tank, and a slurry discharge pipe is used for regularly discharging the slurry and cleaned waste liquid in the slurry storage tank.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of a partial structure of the present invention.
FIG. 3 is a working view of the shield tunneling machine cutting the formation face according to the present invention.
FIG. 4 is a drawing of a shield tunneling machine cutting formation face working diagram A.
Fig. 5 is a left side view of the overall structure of the present invention.
In the figure: 1. a slurry storage tank; 2. a soil pressure sensor; 3. a slurry discharge pipe; 4. a clean water pipe; 5. a grouting pipe; 6. a front shield body of the shield machine; 7. connecting sleeves; 8. a second seal ring; 9. a slurry discharge valve; 10. connecting the steel sleeve; 11. a sealing cover; 12. a first seal ring; 14. cutting a formation face; 15. a cutter head is cut; 16. a soil bin; 17. a shield machine soil bin pressure sensor; 20. a clean water valve; 21. a grouting valve; 22. opening and closing a valve; 40. A main pipe; 41. a branch pipe; 220. a connecting rod; 221. a hand valve; 222. installing a sleeve; 223. an end cap; 224. and a third sealing ring.
Detailed Description
The invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 and 2, the soil pressure detecting device for the shield machine comprises: the device comprises a slurry storage tank 1, a soil pressure sensor 2 which is connected to the front end of the slurry storage tank 1 in a sealing mode, a slurry discharge pipe 3 which is communicated with the slurry storage tank 1 and a clean water pipe 4, wherein the inner cavity of the slurry storage tank 1 is communicated with a soil bin 16 at a front shield body 6 of the shield machine through a grouting pipe 5.
As shown in fig. 3 and 4, a plurality of shield machine soil bin pressure sensors 17 and grouting pipes are arranged on the shield machine front shield body 6, wherein the shield machine soil pressure sensors 17 are positioned in the soil bin 16, and after the shield machine soil pressure sensors 17 are damaged or fail, a plurality of slurry storage tanks 1 are annularly arranged at the grouting pipes 5 of the shield machine front shield body 6 and are positioned outside the soil bin 16.
The slurry storage tank 1 comprises a connecting steel sleeve 10 and a sealing cover 11 which is connected to the front end of the connecting steel sleeve 10 in a bolt sealing manner; the connecting steel sleeve 10 is hollow columnar, and the bottom of the connecting steel sleeve is fixedly arranged on the rear end face of the front shield body 6 of the shield tunneling machine in a sealing manner; the sealing cover 11 is provided with a round hole for connecting the soil pressure sensor 2 and a flange hole for passing a bolt.
The longitudinal section of the sealing cover 11 is pi-shaped and is inserted into the port of the connecting steel sleeve 10, and at least one first sealing ring 12 is arranged at the connecting position of the sealing cover 11 and the connecting steel sleeve 10; the side wall of the sealing cover 11 is correspondingly provided with a ring groove for clamping the first sealing ring 12; one end of the grouting pipe 5 is positioned in the connecting steel sleeve 10.
The circular hole is hermetically provided with a connecting sleeve 7, the soil pressure sensor 2 is hermetically installed on the connecting sleeve 7, one end of the soil pressure sensor 2 penetrates through the sealing cover 11 and is positioned in the connecting steel sleeve 10, and two ends of the soil pressure sensor 2 protrude out of two ends of the connecting sleeve 7; at least one second sealing ring 8 is arranged between the soil pressure sensor 2 and the connecting sleeve 7.
One end of the slurry discharge pipe 3 is hermetically arranged on the side wall of the connecting steel sleeve 10 and communicated with the inner cavity of the connecting steel sleeve 10, a slurry discharge valve 9 is arranged on the slurry discharge pipe 3, and in the embodiment, the slurry discharge pipe 3 is fixedly arranged in the inverted cone-shaped through hole of the connecting steel sleeve 10, so that the cleaning and the discharge of slurry are facilitated.
The clear water pipe 4 comprises a main pipe 40 and branch pipes 41, the ports of the branch pipes 41 are hermetically arranged on the side wall of the connecting steel sleeve 10 and communicated with the inner cavity of the connecting steel sleeve 10, clear water valves 20 are arranged on the main pipe 40 of the clear water pipe 4, in the example, referring to fig. 5, 1 main pipe 40 and 2 branch pipes 41 are arranged on the clear water pipe 4.
The grouting pipe 5 is provided with a grouting valve 21, the grouting valve 21 extends to the outer side of the connecting steel sleeve 10 through a connecting rod 220 to control a switch, the connecting rod 220 is in rotary sealing connection with the connecting steel sleeve 10, and the tail end of the connecting rod 220 is connected with a hand valve 221.
The outer side of the connecting rod 220 is sleeved with a mounting sleeve 222 and an end cover 223; the mounting sleeve 222 is fixedly mounted on the outer side wall of the connecting steel sleeve 10 in a sealing manner and communicated with the inner cavity of the connecting steel sleeve 10, the end cover 223 is detachably mounted on the end part of the mounting sleeve 222, and a third sealing ring 224 is arranged between the end cover 223 and the mounting sleeve 222.
The use method of the soil pressure detection device for the shield machine comprises the following steps:
step one, grouting, wherein when an original sensor of the shield tunneling machine is damaged, a valve switch 22 is controlled by a hand valve 221 to open a grouting valve 21 at a position corresponding to the damaged position, and slurry in a soil bin 16 enters an inner cavity of a slurry storage tank 1 through a grouting pipe 5.
And step two, measuring pressure, supplying power to the soil pressure sensor 2, and measuring the pressure of the slurry filled into the inner cavity of the slurry storage tank 1 through the soil pressure sensor 2, wherein the pressure of the inner cavity of the slurry storage tank 1 is the same as the pressure of the soil bin 16.
And step three, discharging slurry, wherein after the pressure measurement is finished, the grouting valve 22 is closed through the valve switch 22, then the slurry discharging valve 9 is opened, and the slurry in the inner cavity of the slurry storage tank 1 is discharged through the slurry discharging pipe 3.
And step four, cleaning, opening a clear water valve 20 after the slurry discharging is finished, injecting water into the inner cavity of the slurry storage tank 1 through a clear water pipe 4 to dilute and flush the slurry, discharging waste liquid through a slurry discharging pipe 3, and closing a slurry discharging valve 9 and the clear water valve 20 after the cleaning is finished.
The above embodiments are only a few illustrations of the inventive concept and implementation, not limitations thereof, and the technical solutions without substantial changes are still within the scope of protection under the inventive concept.
Claims (10)
1. The earth pressure detection device for the shield machine is characterized by comprising a slurry storage tank (1), an earth pressure sensor (2) hermetically connected to the front end of the slurry storage tank (1), a slurry discharge pipe (3) communicated with the slurry storage tank (1) and a clear water pipe (4);
the inner cavity of the slurry storage tank (1) is communicated with a soil bin (16) at the front shield body (6) of the shield tunneling machine through a grouting pipe (5).
2. The earth pressure detection device for the shield tunneling machine according to claim 1, characterized in that:
the front end of a shield body (6) of the shield machine is provided with a plurality of slurry storage tanks (1), and the plurality of slurry storage tanks (1) are annularly arranged.
3. The earth pressure detection device for the shield tunneling machine according to claim 1 or 2, characterized in that:
the mud storage tank (1) comprises a connecting steel sleeve (10) and a sealing cover (11) which is in bolt sealing connection with the front end of the connecting steel sleeve (10);
the connecting steel sleeve (10) is hollow columnar, and the bottom of the connecting steel sleeve is fixedly installed on the rear end face of the front shield body (6) of the shield tunneling machine in a sealing manner;
and the sealing cover (11) is provided with a round hole for connecting the soil pressure sensor (2) and a flange hole for penetrating through a bolt.
4. The earth pressure detection device for the shield tunneling machine according to claim 3, characterized in that:
the longitudinal section of the sealing cover (11) is pi-shaped, the sealing cover is inserted into the port of the connecting steel sleeve (10), and at least one first sealing ring (12) is arranged at the connecting position of the sealing cover (11) and the connecting steel sleeve (10);
the side wall of the sealing cover (11) is correspondingly provided with a ring groove for clamping the first sealing ring (12);
one end of the grouting pipe (5) is positioned in the connecting steel sleeve (10).
5. The earth pressure detection device for the shield tunneling machine according to claim 3, characterized in that:
the circular hole is hermetically provided with a connecting sleeve (7), the soil pressure sensor (2) is hermetically installed on the connecting sleeve (7), one end of the soil pressure sensor (2) penetrates through a sealing cover (11) to be located in the connecting steel sleeve (10), and two ends of the soil pressure sensor (2) are protruded out of the outer sides of two ends of the connecting sleeve (7); at least one second sealing ring (8) is arranged between the soil pressure sensor (2) and the connecting sleeve (7).
6. The earth pressure detection device for the shield tunneling machine according to claim 5, characterized in that:
one end of the slurry discharge pipe (3) is arranged on the side wall of the connecting steel sleeve (10) in a sealing way and is communicated with the inner cavity of the connecting steel sleeve (10), and a slurry discharge valve (9) is arranged on the slurry discharge pipe (3).
7. The earth pressure detection device for the shield tunneling machine according to claim 5, characterized in that:
the clear water pipe (4) comprises a main pipe (40) and a branch pipe (41), the port of the branch pipe (41) is arranged on the side wall of the connecting steel sleeve (10) in a sealing way and communicated with the inner cavity of the connecting steel sleeve (10), and a clear water valve (20) is arranged on the main pipe (40) of the clear water pipe (4).
8. The earth pressure detection device for the shield tunneling machine according to claim 2, characterized in that:
be equipped with slip casting valve (21) on slip casting pipe (5), slip casting valve (21) extend to connecting steel bushing (10) outside control switch through connecting rod (220), connecting rod (220) with connect steel bushing (10) rotation sealing connection, and connecting rod (220) end-to-end connection has hand valve (221).
9. The earth pressure detection device for the shield tunneling machine according to claim 8, characterized in that:
the outer side of the connecting rod (220) is sleeved with a mounting sleeve (222) and an end cover (223);
the mounting sleeve (222) is fixedly mounted on the outer side wall of the connecting steel sleeve (10) in a sealing mode and communicated with the inner cavity of the connecting steel sleeve (10), the end cover (223) is detachably mounted on the end portion of the mounting sleeve (222), and a third sealing ring (224) is arranged between the end cover (223) and the mounting sleeve (222).
10. The use method of the soil pressure detection device for the shield tunneling machine according to any one of claims 1 to 9, characterized by comprising the following steps:
grouting, namely opening a grouting valve (21) through a valve switch (22), and allowing slurry in a soil bin (16) to enter an inner cavity of a slurry storage tank (1) through a grouting pipe (5);
measuring pressure, namely measuring the pressure of slurry filled into the inner cavity of the slurry storage tank (1) through a soil pressure sensor (2);
step three, slurry discharging, namely closing the grouting valve (21) through a valve switch (22), opening the slurry discharging valve (9), and discharging slurry in the inner cavity of the slurry storage tank (1) through a slurry discharging pipe (3);
and step four, cleaning, namely opening a clear water valve (20), injecting water into the inner cavity of the slurry storage tank (1) through a clear water pipe (4) to dilute and flush the slurry, discharging waste liquid through a slurry discharge pipe (3), and closing a slurry discharge valve (9) and the clear water valve (20) after cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210575377.4A CN114922633B (en) | 2022-05-25 | 2022-05-25 | Soil pressure detection device for shield tunneling machine and application method of soil pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210575377.4A CN114922633B (en) | 2022-05-25 | 2022-05-25 | Soil pressure detection device for shield tunneling machine and application method of soil pressure detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114922633A true CN114922633A (en) | 2022-08-19 |
| CN114922633B CN114922633B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210575377.4A Active CN114922633B (en) | 2022-05-25 | 2022-05-25 | Soil pressure detection device for shield tunneling machine and application method of soil pressure detection device |
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| Country | Link |
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| CN (1) | CN114922633B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003120176A (en) * | 2001-10-11 | 2003-04-23 | Kawasaki Heavy Ind Ltd | Level sensor for slurry type shield machine and slurry type shield machine equipped with the same |
| CN204646242U (en) * | 2015-05-21 | 2015-09-16 | 中铁工程装备集团有限公司 | Double mode shield machine |
| CN105257302A (en) * | 2015-09-25 | 2016-01-20 | 铁建重工新疆有限公司 | Composite balance shield tunneling machine |
| CN108331586A (en) * | 2018-02-14 | 2018-07-27 | 上海隧道工程有限公司 | Soil pressure case safe replacement device |
| CN209354134U (en) * | 2018-08-17 | 2019-09-06 | 中铁工程装备集团有限公司 | A kind of double mode shield machine |
| CN111219194A (en) * | 2020-03-20 | 2020-06-02 | 中铁隧道局集团有限公司 | Slurry/soil pressure dual-mode shield and tunneling mode conversion method thereof |
| JP2020090836A (en) * | 2018-12-05 | 2020-06-11 | 川崎重工業株式会社 | Shield tunneling machine |
| CN112664214A (en) * | 2020-12-24 | 2021-04-16 | 广州轨道交通建设监理有限公司 | Pressure balance method for combining external air bag of earth pressure shield with slurry |
| CN214251370U (en) * | 2020-12-18 | 2021-09-21 | 中船重型装备有限公司 | Detection apparatus for exempt from to tear open shield structure machine soil pressure sensor |
-
2022
- 2022-05-25 CN CN202210575377.4A patent/CN114922633B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003120176A (en) * | 2001-10-11 | 2003-04-23 | Kawasaki Heavy Ind Ltd | Level sensor for slurry type shield machine and slurry type shield machine equipped with the same |
| CN204646242U (en) * | 2015-05-21 | 2015-09-16 | 中铁工程装备集团有限公司 | Double mode shield machine |
| CN105257302A (en) * | 2015-09-25 | 2016-01-20 | 铁建重工新疆有限公司 | Composite balance shield tunneling machine |
| CN108331586A (en) * | 2018-02-14 | 2018-07-27 | 上海隧道工程有限公司 | Soil pressure case safe replacement device |
| CN209354134U (en) * | 2018-08-17 | 2019-09-06 | 中铁工程装备集团有限公司 | A kind of double mode shield machine |
| JP2020090836A (en) * | 2018-12-05 | 2020-06-11 | 川崎重工業株式会社 | Shield tunneling machine |
| CN111219194A (en) * | 2020-03-20 | 2020-06-02 | 中铁隧道局集团有限公司 | Slurry/soil pressure dual-mode shield and tunneling mode conversion method thereof |
| CN214251370U (en) * | 2020-12-18 | 2021-09-21 | 中船重型装备有限公司 | Detection apparatus for exempt from to tear open shield structure machine soil pressure sensor |
| CN112664214A (en) * | 2020-12-24 | 2021-04-16 | 广州轨道交通建设监理有限公司 | Pressure balance method for combining external air bag of earth pressure shield with slurry |
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| Publication number | Publication date |
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| CN114922633B (en) | 2023-07-25 |
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