CN110514371A - Shield machine shield tail seal chamber based on ceramic pressure sensing and two lines bus monitors system - Google Patents
Shield machine shield tail seal chamber based on ceramic pressure sensing and two lines bus monitors system Download PDFInfo
- Publication number
- CN110514371A CN110514371A CN201910838227.6A CN201910838227A CN110514371A CN 110514371 A CN110514371 A CN 110514371A CN 201910838227 A CN201910838227 A CN 201910838227A CN 110514371 A CN110514371 A CN 110514371A
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- shield
- lines bus
- tail
- signal
- pressure
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- 239000000919 ceramic Substances 0.000 title claims abstract description 41
- 238000012544 monitoring process Methods 0.000 claims abstract description 62
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 abstract description 17
- 230000008859 change Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0635—Tail sealing means, e.g. used as end shuttering
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/002—Investigating fluid-tightness of structures by using thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention proposes a kind of shield machine shield tail seal chambers based on ceramic pressure sensing and two lines bus to monitor system, including middle shield, middle shield is connected with tail shield, tail shield is connected by ventral brush locating piece with ventral brush, ventral brush is connected with section of jurisdiction, it is equipped with pressure monitoring unit on the ventral brush locating piece and tail shield end and pressure monitoring unit and adjacent pressure monitoring unit are connected in series, pressure monitoring unit is connected with signal acquisition unit, and signal acquisition unit is connected with monitoring display unit.The present invention, to each grease cavity pressure situation real-time monitoring, can make the leakage of tail sealing according to each grease cavity pressure situation of change and give warning in advance, greatly improve drivage efficiency, reduce construction operation risk by ceramic pressure sensor；And, can be flexibly topological using the wiring of two lines bus by ceramic pressure sensor high sensitivity, stable signal transmission.
Description
Technical field
The present invention relates to the technical fields of rock tunnel(ling) machine tail sealing system monitoring, more particularly to a kind of ceramics that are based on to press
The shield machine seal chamber of power sensing and two lines bus monitors system.
Background technique
Shield tunnel forming technique be using integrate excavation, the various engineerings operation such as supporting, propulsion, lining are cut it is big
Type rock tunnel(ling) machine completes the modern forming technique of tunnel excavation.In shield machine tunneling process, the supporting of tail shield and tunnel are served as a contrast
The gap (within 200mm) that will form certain size between structure (section of jurisdiction) is cut, which is connected to the tunnel with certain pressure
Road soil layer and the intracorporal safe space of shield, therefore corresponding sealing device is needed to be separated.At this stage, most of shield machine is all
The sealing structure of tail seal grease of shield is smeared using wire brush to realize the purpose of tail shield sealing.Due to complicated underground environment and
The inherent shortcoming of sealing structure form, for shield machine in tunneling process, tail sealing system will inevitably generate leak, leakage
The construction risks such as mud, spillage.
In order to make early warning judgement to the above risk in advance, the intracorporal pressure state parameter of tail sealing chamber need to be supervised
It surveys, to instruct the development of follow-up work.It is " CN201610854077.4 " in number of patent application, patent name is " shield machine shield
The device that a kind of pair of shield tail brush experiments of sealing performance is specifically disclosed in ventral brush sealing property tester and test method " is
Shield tail brush configuration is improved, so far, for tail sealing state inspection still in the blank phase.
Summary of the invention
For in current tail sealing cannot state to tail sealing system and leakage be monitored and give warning in advance
Technical problem, the present invention propose that a kind of shield machine shield tail seal chamber based on ceramic pressure sensing and two lines bus monitors system.
To solve the above-mentioned problems, the technical scheme of the present invention is realized as follows:
A kind of shield machine shield tail seal chamber monitoring system based on ceramic pressure sensing and two lines bus, including middle shield, middle shield and tail
Shield is connected, and tail shield is connected by ventral brush locating piece with ventral brush, and ventral brush is connected with section of jurisdiction, the ventral brush locating piece and tail shield
It is equipped with pressure monitoring unit on end and pressure monitoring unit and adjacent pressure monitoring unit are connected in series, pressure monitoring list
Member is connected with signal acquisition unit, and signal acquisition unit is connected with monitoring display unit.
Preferably, be equipped with installing locating slot on the ventral brush locating piece and tail shield end, on the outside of installing locating slot and
Mounting groove is offered in ventral brush locating piece inner wall and tail shield distal end faces, installing locating slot is connected with mounting groove, mounting groove
Inside it is equipped at least two fairleads；Pressure monitoring unit, pressure monitoring unit and signal two are placed in the installing locating slot
Bus is connected, signal two lines bus be embedded in mounting groove and signal two lines bus from fairlead be pierced by after with adjacent pressure monitoring list
Member is connected in series.
Preferably, a detection hole is reserved on the notch of the mounting groove and seal plate welding and sealing plate, detection hole and pressure are supervised
Unit is surveyed to match.
Preferably, the pressure monitoring unit includes mounting seat, and mounting seat is equipped with mounting hole and installation cavity, installation
Hole setting is in installation cavity side and mounting hole is connected with installation cavity, and outside is equipped with a sealing strip before mounting hole and installation, seals
Item matches with installation cover board and installs cover board to be connected with mounting seat, and outlet hole, outlet hole and installation are equipped in installation cavity
Slot matches；Ceramic pressure sensor is placed in the mounting hole, the top of ceramic pressure sensor is arranged with sealing ring, peace
Capping plate is equipped with a fixation hole, and fixation hole is matched with sealing ring and detection hole respectively, and data acquisition module is equipped in installation cavity
Block, ceramic pressure sensor are connected with data acquisition module, data acquisition module by signal two lines bus respectively with adjacent pressure
Data acquisition module is connected with signal acquisition unit in power monitoring unit.
Preferably, the signal acquisition unit includes signal trunk module and communication module, signal trunk module respectively with
Data acquisition module in pressure monitoring unit is connected with communication module, and communication module is connected with monitoring display unit.
Preferably, the monitoring display unit includes host computer, and host computer is connected with communication module.
Beneficial effects of the present invention: the present invention is highly integrateable in mounting seat by using ceramic pressure sensor, peace
Installation space is greatly saved in locating slot in dress tube chamber welds with base, and stability is good, and the installation for effectively increasing sensor is close
Degree, and ceramic pressure sensor high sensitivity are placed, nonpolarity connection in conjunction with the wiring of two lines bus, and overall signal transmission is steady
Fixed, strong interference immunity, after occurring small leak or spillage in tail sealing system, grease cavity pressure can generate fluctuation,
Ceramic pressure sensor endangers the fluctuation information real-time Transmission to host computer, host computer by analysis data to leak or spillage etc.
Dangerous situation condition, which is made, to give warning in advance, and by the timely and effective monitoring to shield tail grease cavity internal pressure, can instruct site operation personnel
Grease injecting mode from extensive style to intensive style change.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is integral installation schematic diagram of the present invention on rock tunnel(ling) machine.
Fig. 2 is scheme of installation of the present invention in shield tail grease chamber.
Fig. 3 is the concrete structure schematic diagram of ceramic pressure sensor in the present invention.
Fig. 4 is the working principle of the invention block diagram.
In figure, 1 is mounting seat, and 2 be installation cover board, and 3 be sealing strip, and 4 be sealing ring, and 5 be ceramic pressure sensor, 6
It is ventral brush locating piece for data acquisition module, 7,8 is draw cable, and 9 be ventral brush, and 10 be section of jurisdiction, and 11 be tail shield, and 12 be middle shield.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of shield machine shield tail seal chamber status monitoring system based on ceramic pressure sensor and two lines bus
System, including middle shield 12, middle shield 12 be connected with tail shield 11, tail shield 11 is connected by ventral brush locating piece 7 with ventral brush 9, ventral brush 9 and
Section of jurisdiction 10 is connected, and grease chamber is formed between tail shield and ventral brush and section of jurisdiction, the ventral brush locating piece 7 and tail shield are all provided on 11 end
There is a pressure monitoring unit, pressure monitoring unit is for monitoring each grease cavity pressure fluctuation and pressure monitoring unit and adjacent pressure
Power monitoring unit is connected in series, and pressure monitoring unit is connected by communication cable with signal acquisition unit, signal acquisition unit
It is connected with monitoring display unit.
As shown in Fig. 2, it is equipped with installing locating slot on 11 end of the ventral brush locating piece 7 and tail shield, installing locating slot
Length is 80mm, width 40mm, depth 10mm, on the outside of installing locating slot and at 11 end of 7 inner wall of ventral brush locating piece and tail shield
Mounting groove is offered on the end face of end, mounting groove groove width is 10mm, groove depth 10mm, and installing locating slot is connected with mounting groove to be used for
The sensor connection cables placed in installing locating slot are pierced by out of mounting groove, suitable position is drilled at least in mounting groove
Two fairleads, for fairlead for drawing the intracorporal extraction cable 8 of chamber, extraction cable 8 is signal two lines bus；The installation is fixed
It is placed with pressure monitoring unit in the slot of position, pressure monitoring unit is connected with signal two lines bus, and signal two lines bus is embedded in installation
In slot and signal two lines bus is pierced by rear and adjacent pressure monitoring unit from fairlead and is connected in series.
The notch and seal plate welding of the mounting groove, sealing plate are that a detection is reserved on the curved plate of 45mm wide and sealing plate
Hole, detection hole are matched with pressure monitoring unit, are sealed the notch welding of mounting groove using sealing plate and are used for signal two lines bus
It is fixed in mounting groove, and detection hole is used to clasp the sensitive surface of pressure monitoring unit, and guarantees pressure monitoring unit sense
Answer the naked leakage in face intracavitary in grease.
As shown in figure 3, the pressure monitoring unit includes mounting seat 1, mounting seat is welded in installing locating slot, is led to
It crosses and is highly integrateable in mounting seat using ceramic pressure sensor, mounting seat is welded in locating slot, is greatly reduced and is accounted for
With space, the installation number of sensor is helped to improve, mounting seat 1 is equipped with a mounting hole, and mounting hole side is equipped with installation cavity
And mounting hole is connected with installation cavity, is equipped with a sealing strip 3 jointly on the outside of mounting hole and installation cavity, by prevent external water into
Entering in sensor encapsulation, makes its failure, sealing strip 3 matches with installation cover board 2 and installs cover board 2 to be connected with mounting seat 1,
For improving connective stability between integral installation cover board and mounting seat, the effect for installing cover board is fixed ceramic pressure sensing
Device prevents the sensing diaphragm for damaging ceramic pressure sensor during the installation process.Outlet hole is equipped in installation cavity, outlet hole is used for
It is pierced by signal two lines bus, outlet hole is matched with mounting groove, and signal two lines bus is embedded in mounting groove after being pierced by outlet hole；It is described
Ceramic pressure sensor 5 is placed in mounting hole, ceramic pressure sensor longitudinal size used is smaller, signal two lines bus used compared with
Few, signal two lines bus uses signal two lines bus, in the case where meeting sensing requirement, can save installation space, effectively increase biography
The packing density of sensor, ceramic pressure sensor sensing is sensitive, and two lines bus mode used can flexibly be believed in topology, nonpolarity wiring
Number transmission stablize, strong anti-interference performance.The shape of ceramic pressure sensor be flat column, ceramic pressure sensor 5 on
Portion is arranged with sealing ring 4, and installation cover board 2 is equipped with a fixation hole, fixation hole matched respectively with sealing ring 4 and detection hole so that
The sensitive surface of ceramic pressure sensor is naked to leak stability intracavitary in grease and improving ceramic pressure sensor, sets in installation cavity
There is data acquisition module 6, ceramic pressure sensor 5 is connected with data acquisition module 6, and data acquisition module 6 passes through signal two
Data acquisition module 6 is connected bus with signal acquisition unit in adjacent pressure monitoring unit respectively.
As shown in figure 4, the signal acquisition unit includes signal trunk module and communication module, signal trunk module difference
With in pressure monitoring unit data acquisition module 6 and communication module be connected, data acquisition module by signal two lines bus with
The connection of aviation connector, aviation connector are connected with signal trunk module, and communication module is connected with monitoring display unit, supervise
Control display unit include host computer, host computer is connected with communication module, host computer can with real time on-line monitoring, check monitoring tie
Fruit, and monitoring data are statisticallyd analyze, external pressure value is converted analog quantity by the ceramic pressure sensor 5 of pressure monitoring unit
Signal is transferred to signal acquisition unit, and 4 ~ 20mA signal is transferred to communication mould by signal acquisition unit by way of two lines bus
Block, host computer read the collection capacity of communication module by ICP/IP protocol, carry out calibration processing to initial value, while by 4-20mA
Signal is converted to pressure value, on the upper computer interface real-time display.By pressure difference, the front and back oil of observing grease chamber and mud in real time
The temperature change of pressure difference and each grease chamber and mud between rouge chamber, to judge whether tail sealing system abnormal feelings occurs
Condition shows alarm signal, when tail sealing system if above-mentioned pressure difference is more than pre-set limiting value on host computer
After there is small leak or spillage in system, grease cavity pressure can generate fluctuation, and ceramic pressure sensor is by the fluctuation information
Real-time Transmission is to host computer, and host computer makes the dangerous situations such as leak or spillage by analysis data and giving warning in advance, by right
The timely and effective monitoring of shield tail grease cavity internal pressure can instruct the grease injecting mode of site operation personnel from extensive style to intensive style
Transformation.
Each ceramic pressure sensor concatenates all modules in form and cavity in ventral brush cavity and is all made of two in shield tail
Bus realizes the power supply and signal transmission of sensor, and this wire laying mode can be passed all ceramic pressures by both threads cable
Sensor is connected in series, and finally, single line cable is drawn from grease chamber, and overall routing mode is simple, convenient for construction.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of shield machine shield tail seal chamber based on ceramic pressure sensing and two lines bus monitors system, including middle shield (12), in
Shield (12) is connected with tail shield (11), and tail shield (11) is connected by ventral brush locating piece (7) with ventral brush (9), ventral brush (9) and section of jurisdiction
(10) it is connected, which is characterized in that be equipped with pressure monitoring unit and pressure on the ventral brush locating piece (7) and tail shield (11) end
Power monitoring unit and adjacent pressure monitoring unit are connected in series, and pressure monitoring unit passes through signal two lines bus and signal acquisition list
Member is connected, and signal acquisition unit is connected by signal two lines bus with monitoring display unit.
2. the shield machine shield tail seal chamber status monitoring according to claim 1 based on ceramic pressure sensor and two lines bus
System, which is characterized in that be equipped with installing locating slot, installing locating slot on the ventral brush locating piece (7) and tail shield (11) end
Outside and mounting groove is offered on ventral brush locating piece (7) inner wall and tail shield (11) distal end faces, installing locating slot and installation
Slot is connected, and at least two fairleads are equipped in mounting groove；Pressure monitoring unit, pressure prison are placed in the installing locating slot
Survey unit be connected with signal two lines bus, signal two lines bus be embedded in mounting groove and signal two lines bus from fairlead be pierced by after and
Adjacent pressure monitoring unit is connected in series.
3. the shield machine shield tail seal chamber status monitoring according to claim 2 based on ceramic pressure sensor and two lines bus
System a, which is characterized in that detection hole is reserved on the notch and seal plate welding and sealing plate of the mounting groove, detection hole and pressure are supervised
Unit is surveyed to match.
4. the shield machine shield tail seal chamber status monitoring according to claim 3 based on ceramic pressure sensor and two lines bus
System, which is characterized in that the pressure monitoring unit includes mounting seat (1), and mounting seat (1) is equipped with mounting hole and installation
Chamber, mounting hole setting is in installation cavity side and mounting hole is connected with installation cavity, and it is close that mounting hole and installation cavity outside are equipped with one
Strip of paper used for sealing (3), sealing strip (3) matches with installation cover board (2) and installs cover board (2) to be connected with mounting seat (1), in installation cavity
Equipped with outlet hole, outlet hole is matched with mounting groove；Ceramic pressure sensor (5), ceramic pressure are placed in the mounting hole
(5) top of sensor is arranged with sealing ring (4), installation cover board (2) be equipped with a fixation hole, fixation hole respectively with sealing ring
(4) it is matched with detection hole, data acquisition module (6), ceramic pressure sensor (5) and data acquisition module is equipped in installation cavity
(6) be connected, data acquisition module (6) by signal two lines bus respectively with data acquisition module in adjacent pressure monitoring unit
(6) it is connected with signal acquisition unit.
5. the shield machine shield tail seal chamber state according to claim 1 or 4 based on ceramic pressure sensor and two lines bus
Monitoring system, which is characterized in that the signal acquisition unit includes signal trunk module and communication module, signal trunk module point
Not in pressure monitoring unit data acquisition module (6) and communication module be connected, communication module and monitoring display unit phase
Connection.
6. the shield machine shield tail seal chamber status monitoring according to claim 5 based on ceramic pressure sensor and two lines bus
System, which is characterized in that the monitoring display unit includes host computer, and host computer is connected with communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838227.6A CN110514371B (en) | 2019-09-05 | 2019-09-05 | Shield machine shield tail seal cavity monitoring system based on ceramic pressure sensing and two buses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838227.6A CN110514371B (en) | 2019-09-05 | 2019-09-05 | Shield machine shield tail seal cavity monitoring system based on ceramic pressure sensing and two buses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110514371A true CN110514371A (en) | 2019-11-29 |
| CN110514371B CN110514371B (en) | 2021-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910838227.6A Active CN110514371B (en) | 2019-09-05 | 2019-09-05 | Shield machine shield tail seal cavity monitoring system based on ceramic pressure sensing and two buses |
Country Status (1)
| Country | Link |
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| CN (1) | CN110514371B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031784A (en) * | 2020-09-04 | 2020-12-04 | 中铁隧道局集团有限公司 | Shield tail detection and repair method |
| CN114321369A (en) * | 2021-12-13 | 2022-04-12 | 烟台杰瑞石油服务集团股份有限公司 | Underground working equipment |
| CN114518205A (en) * | 2022-01-07 | 2022-05-20 | 中铁工程装备集团有限公司 | Sealing ring cavity leakage detection device for shield tail of heading machine and heading machine |
| CN116291495A (en) * | 2023-05-18 | 2023-06-23 | 中铁十四局集团大盾构工程有限公司 | Shield machine with shield tail stress monitoring system and method for preventing shield tail from deforming |
| CN114060045B (en) * | 2021-11-01 | 2024-04-05 | 中铁工程装备集团有限公司 | Tail shield and shield machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031784A (en) * | 2020-09-04 | 2020-12-04 | 中铁隧道局集团有限公司 | Shield tail detection and repair method |
| CN112031784B (en) * | 2020-09-04 | 2022-04-22 | 中铁隧道局集团有限公司 | Shield tail detection and repair method |
| CN114060045B (en) * | 2021-11-01 | 2024-04-05 | 中铁工程装备集团有限公司 | Tail shield and shield machine |
| CN114321369A (en) * | 2021-12-13 | 2022-04-12 | 烟台杰瑞石油服务集团股份有限公司 | Underground working equipment |
| CN114321369B (en) * | 2021-12-13 | 2024-04-09 | 烟台杰瑞石油服务集团股份有限公司 | Underground working equipment |
| CN114518205A (en) * | 2022-01-07 | 2022-05-20 | 中铁工程装备集团有限公司 | Sealing ring cavity leakage detection device for shield tail of heading machine and heading machine |
| CN116291495A (en) * | 2023-05-18 | 2023-06-23 | 中铁十四局集团大盾构工程有限公司 | Shield machine with shield tail stress monitoring system and method for preventing shield tail from deforming |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110514371B (en) | 2021-05-04 |
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