CN109469658A - A kind of gas cushion type mud water balance quick response two-in-parallel regulating system - Google Patents
A kind of gas cushion type mud water balance quick response two-in-parallel regulating system Download PDFInfo
- Publication number
- CN109469658A CN109469658A CN201811318249.1A CN201811318249A CN109469658A CN 109469658 A CN109469658 A CN 109469658A CN 201811318249 A CN201811318249 A CN 201811318249A CN 109469658 A CN109469658 A CN 109469658A
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- Prior art keywords
- valve
- air
- parallel
- quick response
- intake
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 21
- 230000003750 conditioning effect Effects 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims description 23
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 239000003643 water by type Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
Abstract
The invention discloses a kind of gas cushion type mud waters to balance quick response two-in-parallel regulating system, including air cushion cabin, and air cushion cabin is equipped with gas conditioning module in parallel.System variable is the mud hydraulic pressure of the front side supports in muddy water storehouse, two-in-parallel circuit air inlet and exhaust valve sequence of movement and valve opening are adjusted by closed loop feedback adjusting to control intake and exhaust uninterrupted, velocity-variation amplifier accelerates the sensitivity for the valve responds time improving system, differential pressure control valve stabilizes intake valve rear and front end pressure and reduces system shock, the two reaches quick response thus to stablize air cushion lock pressure power.
Description
Technical field
The present invention relates to pneumatic control scheme field, particular application gas cushion type mud water balance shield air cushion lock pressure dynamic balance control
System, the gas cushion type mud water balance quick response two-in-parallel regulating system especially applied in super big diameter mud water balance shield.
Background technique
With the development of shield driving technology, more and more more river Tunnel Engineering over strait start the shield using major diameter
Machine.In general, 11 meters of diameter or more of large-diameter shield, mostly uses greatly mud and water balance type.Slurry balance shield has two at present
Kind form design: it directly controls type and indirectly controls type.Air-cushion type balance shield is used to indirectly control type, indirectly controls type mud
For water balance shield compared with directly controlling type, control system is more simplified, more stable to excavation face soil layer supporting, heavy to earth's surface
Sunken control is more convenient.And slurry shield is balanced for major diameter air-cushion type, it is same that muddy water is supported using conventional air cushion cabin
Lock pressure power, air cushion lock pressure power are adjusted by compressed air, and the adjustment of compressed air pressure is adjusted by a set of intake and exhaust valve
It is whole, but the application operating condition of major diameter air-cushion type balance slurry shield is more complicated, conventional air cushion cabin supports muddy water lock pressure power
Adjustment system is simultaneously not suitable for.
Summary of the invention
For above-mentioned deficiency described in the prior, it is double simultaneously that the present invention provides a kind of gas cushion type mud water balance quick response
Join regulating system.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
A kind of gas cushion type mud water balance quick response two-in-parallel regulating system, including air cushion cabin, air cushion cabin are equipped with gas tune in parallel
Save unit.Multiple groups parallel connection controls simultaneously, uses to cope with the compressed air under different size flow.
The air intake assembly of the parallel connection gas conditioning module is equipped with differential pressure control valve, to control intake valve rear and front end pressure
Difference control, maintains pressure balance, to reduce system pressure fluctuation, the characteristic of differential pressure control valve is with "+" and "-" two letters
Number, "-" end signal value is in air cushion lock pressure power, and "+" end signal value is in intake valve inlet end pipeline pressure, "-" end and "+" end
Pressure difference control carries spring by valve itself to adjust magnitude of pressure differential.
The intake valve and air outlet valve of the parallel connection gas conditioning module be equipped with velocity-variation amplifier 5, and velocity-variation amplifier increases
Two-in-parallel gas pressure maintaining regulating system is controlled, to accelerate system reaction time, accelerates the intake and exhaust valve responds speed of size parallel connection
Degree.
The parallel connection gas conditioning module is two-in-parallel gas conditioning module, intake valve and the design of exhaust valve two-in-parallel, is used
To cope with the use of the compressed air under different size flow.
The parallel connection gas conditioning module, including air intake assembly and pneumatic module out；The air intake assembly, including intake valve I,
Intake valve II, admission line I, admission line II, admission line III and air source processing member；The inlet end of admission line I and outside
Gas source connection；The outlet side of admission line I is connected to admission line II and admission line III respectively, admission line II and air inlet pipe
Road III is arranged in parallel and is connected to respectively with air cushion cabin；Intake valve I is arranged on admission line II, and intake valve II is arranged in air inlet pipe
On road III；And the valve actuator of intake valve I and the valve actuator of intake valve II are connected to through air source processing member with external air source.
The inlet end of admission line I is connected to through differential pressure control valve with external air source, to control intake valve rear and front end pressure
Difference control, maintains pressure balance, to reduce system pressure fluctuation.
And between the valve actuator and air source processing member of intake valve I, the valve actuator and gas source of intake valve II
Velocity-variation amplifier is equipped between handling member；The valve positioner of intake valve I is connected to corresponding velocity-variation amplifier, intake valve II
Valve positioner be connected to corresponding velocity-variation amplifier.
The pneumatic module out, including air outlet valve I, air outlet valve II, outlet pipe I, outlet pipe II, outlet pipe III are gentle
Source handling member；Outlet pipe I and outlet pipe II are arranged in parallel and are connected to respectively with air cushion cabin；One end of outlet pipe I is through going out
Air valve I is connected to outlet pipe III；One end of outlet pipe II is connected to through air outlet valve II with outlet pipe III；The valve of air outlet valve I
The valve actuator of door actuator and air outlet valve II is connected to through air source processing member with external air source.
Between the valve actuator and air source processing member of air outlet valve I, the processing of the valve actuator of air outlet valve II and gas source
Velocity-variation amplifier is equipped between part, the valve positioner of air outlet valve I is connected to corresponding velocity-variation amplifier, the valve of air outlet valve II
Door holder is connected to corresponding velocity-variation amplifier.
Noise when in order to reduce system exhaust is equipped with muffler on outlet pipe III.
In order to realize automation, the parallel connection gas conditioning module further includes control assembly, and the control assembly includes pressure
Force snesor, PI control box and pressure reducing valve；One end of pressure reducing valve is connected to through air source processing member with external air source；Pressure reducing valve it is another
End is connected to PI control box, and PI control box is connected to pressure sensor, and pressure sensor is connected to air cushion cabin, and pressure sensor
Feedback end and PI control box be connected to；PI controls box and positions respectively with the valve of the valve positioner of intake valve I, intake valve II
The valve positioner connection of device, the valve positioner of air outlet valve I, air outlet valve II.Pressure reducing valve is to compare pressure to be arranged and allow
Pressure transmitter realizes that feedback signal controls box to PI.
Pressure sensor feeds back the pressure signal measured to measure air cushion lock pressure power, and to PI control box.PI controls box
There is manually and automatically mode, the sequence of movement of air inlet and exhaust valve can be manually adjusted to reach pressure size value required for system,
The pressure size value that needs can also be arranged in automatic mode carrys out adjust automatically air inlet and exhaust valve sequence of movement and valve opening is big
Small, system, which is automatically not necessarily to intervene, can realize pressure balance control.
The present invention can both manually control can also be with Automatic Control, adjustable valve control signal under manual mode,
The movement of Discrete control air inlet size valve and exhaust size valve, when intake valve or exhaust valve need to act, intake valve or exhaust
The valve positioner of valve can provide control signal to velocity-variation amplifier, so that velocity-variation amplifier provides drive for intake valve or exhaust valve
It takes offence source.Under automatic mode, PI control box sets the pressure of air cushion cabin needs, and it is big that pressure sensor measures air cushion lock pressure power
Small, output pressure signal is compared to PI control box, and PI control box will transmit a signal to the valve of intake valve and exhaust valve
Locator, the valve positioner that intake valve or exhaust valve are controlled by conveying the size of signal act.Valve positioner conveying
Signal opening speed amplifier, so that air inlet and exhaust valve driver be driven to realize air inlet and exhaust valve movement.Under normal conditions, small in reply
Tolerance into or when exhaust, the falling of two-in-parallel only has air inlet or the small valve of exhaust acting, to reduce system fluctuation.It is big in reply
Flow into or when exhaust, two-in-parallel fall after rise into or exhaust size valve can all move at the same time, to cope with emergency case, adjust in time
Seamless power reduces pressure oscillation, and in this course, all velocity-variation amplifiers are all accelerating valve event, to carry out quick
It is unstable to reduce system pressure for response pressure fluctuation signal.
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 pipeline connecting figure of the invention.
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.
Embodiment 1: a kind of gas cushion type mud water balance quick response two-in-parallel regulating system, including air cushion cabin, air cushion cabin are set
There is gas conditioning module in parallel.
Embodiment 2: a kind of gas cushion type mud water balance quick response two-in-parallel regulating system, the parallel connection gas conditioning module
Air intake assembly be equipped with differential pressure control valve, remaining is same as Example 1.
Embodiment 3: a kind of gas cushion type mud water balance quick response two-in-parallel regulating system, the parallel connection gas conditioning module
Intake valve and air outlet valve be equipped with velocity-variation amplifier, remaining is same as Example 2.
Embodiment 4: a kind of gas cushion type mud water balance quick response two-in-parallel regulating system, as shown in Figure 1, including air cushion cabin
12, air cushion cabin 12 is equipped with gas conditioning module in parallel.The parallel connection gas conditioning module is two-in-parallel gas conditioning module.
And in order to reduce the fluctuation of system, the air intake assembly of the parallel connection gas conditioning module is equipped with differential pressure control valve 2；
In order to accelerate to react, the intake valve and air outlet valve of the parallel connection gas conditioning module are equipped with velocity-variation amplifier 5.
Specifically, the gas conditioning module in parallel, including air intake assembly and pneumatic module out；The air intake assembly, including
Intake valve I 31, intake valve II 32, admission line I 33, admission line II 34, admission line III 35 and air source processing member 9；Air inlet
The inlet end of pipeline I 33 is connected to external air source；Preferably, the inlet end of admission line I 33 is through differential pressure control valve 2 and external gas
Source connection.
The outlet side of admission line I 33 is connected to admission line II 34 and admission line III 35 respectively, admission line II 34
It is arranged in parallel with admission line III 35 and is connected to respectively with air cushion cabin.
Intake valve I 31 is arranged on admission line II 34, and intake valve II 32 is arranged on admission line III 35；And intake valve
I 31 valve actuator and the valve actuator of intake valve II 32 are connected to through air source processing member 9 with external air source；
In order to accelerate to react, between the valve actuator and air source processing member 9 of intake valve I 31, the valve of intake valve II 32 held
Velocity-variation amplifier 5 is equipped between row device and air source processing member 9；The valve positioner of intake valve I 31 amplifies with corresponding speed
Device 5 is connected to, and the valve positioner of intake valve II 32 is connected to corresponding velocity-variation amplifier 5.
The pneumatic module, including air outlet valve I 41, air outlet valve II 42, outlet pipe I 43, outlet pipe II 44, escape pipe out
Road III 45 and air source processing member 9；Outlet pipe I 43 and outlet pipe II 44 are arranged in parallel and are connected to respectively with air cushion cabin；Outlet
One end of pipeline I 43 is connected to through air outlet valve I 41 with outlet pipe III 45；One end of outlet pipe II 44 is through air outlet valve II 42 and goes out
Feed channel III 45 is connected to；And in order to reduce noise, muffler 10 is equipped on outlet pipe III 45.
The valve actuator of air outlet valve I 41 and the valve actuator of air outlet valve II 42 are through air source processing member 9 and external air source
Connection.
In order to accelerate to react, between the valve actuator and air source processing member 9 of air outlet valve I 41, the valve of air outlet valve II 42
Velocity-variation amplifier 5 is equipped between door actuator and air source processing member 9, the valve positioner of air outlet valve I 41 and corresponding speed
Amplifier 5 is connected to, and the valve positioner of air outlet valve II 42 is connected to corresponding velocity-variation amplifier 5.
In order to realize automation, the parallel connection gas conditioning module further includes control assembly, and the control assembly includes pressure
Force snesor 6, PI control box 7 and pressure reducing valve 8；One end of pressure reducing valve 8 is connected to through air source processing member 9 with external air source；Pressure reducing valve 8
The other end and PI control box 7 be connected to, PI controls box 7 and is connected to pressure sensor 6, and pressure sensor 6 is connected to air cushion cabin, and
The feedback end of pressure sensor 6 is connected to PI control box 7；PI control box 7 respectively with the valve positioner of intake valve I 31, air inlet
The valve positioner connection of the valve positioner of valve II 32, the valve positioner of air outlet valve I 41, air outlet valve II 42.Pressure reducing valve is
To be arranged compare pressure allow pressure transmitter realize feedback signal give PI control box.
The present embodiment is to be illustrated so that slurry shield designs as an example, but do not limit this range, main operational principle:
Gas cushion type mud water balance shield needs to provide certain support pressure in air cushion cabin to maintain the pressure in muddy water cabin to stablize, thus
Reach support earth's surface.And the pressure adjustment in air cushion cabin controls box by PI to control the uninterrupted of air inlet and exhaust valve come stable in time
Air cushion lock pressure power.PI control box has manual mode and automatic mode.
Adjustable valve control signal under manual mode, the movement of Discrete control air inlet size valve and exhaust size valve,
In the present embodiment, it regard intake valve I 31 as the big valve of air inlet, intake valve II 32 is the small valve of air inlet；Air outlet valve I 41 is big as outlet
Valve, air outlet valve II 42 be used as the small valve of outlet.
When intake valve or exhaust valve need to act, the valve positioner of intake valve or exhaust valve can be mentioned to velocity-variation amplifier
For controlling signal, so that velocity-variation amplifier provides driving gas source for intake valve or exhaust valve.
Under automatic mode, PI control box sets the pressure of air cushion cabin needs, and it is big that pressure sensor measures air cushion lock pressure power
Small, output pressure signal is compared to PI control box, and PI control box will transmit a signal to the valve of intake valve and exhaust valve
Locator, the valve positioner that intake valve or exhaust valve are controlled by conveying the size of signal act.Valve positioner conveying
Signal opening speed amplifier, so that air inlet and exhaust valve driver be driven to realize air inlet and exhaust valve movement.
Under normal conditions, cope with small tolerance into or when exhaust, the falling of two-in-parallel only has air inlet or the small valve of exhaust dynamic
Make, to reduce system fluctuation.Cope with big flow into or exhaust when, two-in-parallel fall after rise into or exhaust size valve all can be simultaneously
Movement adjusts pressure in time and reduces pressure oscillation, in this course, all velocity-variation amplifiers to cope with emergency case
All accelerating valve event, to carry out quick response Pressure Fluctuation Signal, it is unstable to reduce system pressure.
System variable is the mud hydraulic pressure of the front side supports in muddy water storehouse, and two-in-parallel is adjusted by closed loop feedback adjusting and is returned
Road air inlet and exhaust valve sequence of movement and valve opening control intake and exhaust uninterrupted, and velocity-variation amplifier accelerates the valve responds time
The sensitivity of system is improved, differential pressure control valve stabilizes intake valve rear and front end pressure and reduces system shock, and the two is to come
Stablize air cushion lock pressure power, reaches quick response.
Described above is only presently 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 (10)
1. a kind of gas cushion type mud water balances quick response two-in-parallel regulating system, including air cushion cabin (12), it is characterised in that: air cushion
Cabin (12) is equipped with gas conditioning module in parallel.
2. gas cushion type mud water according to claim 1 balances quick response two-in-parallel regulating system, it is characterised in that: described
The air intake assembly of gas conditioning module in parallel is equipped with differential pressure control valve (2).
3. gas cushion type mud water according to claim 1 or 2 balances quick response two-in-parallel regulating system, it is characterised in that:
The intake valve and air outlet valve of the parallel connection gas conditioning module are equipped with velocity-variation amplifier (5).
4. gas cushion type mud water according to claim 3 balances quick response two-in-parallel regulating system, it is characterised in that: described
Gas conditioning module in parallel is two-in-parallel gas conditioning module.
5. gas cushion type mud water according to claim 1 or 2 or 4 balances quick response two-in-parallel regulating system, feature exists
In: the parallel connection gas conditioning module, including air intake assembly and pneumatic module out；The air intake assembly, including intake valve I (31),
Intake valve II (32), admission line I (33), admission line II (34), admission line III (35) and air source processing member (9)；Air inlet
The inlet end of pipeline I (33) is connected to external air source；The outlet side of admission line I (33) respectively with admission line II (34) and into
Feed channel III (35) connection, admission line II (34) and admission line III (35) are arranged in parallel and are connected to respectively with air cushion cabin；Into
Air valve I (31) is arranged on admission line II (34), and intake valve II (32) is arranged on admission line III (35)；And intake valve I
(31) valve actuator of valve actuator and intake valve II (32) is connected to through air source processing member (9) with external air source；
It is described go out pneumatic module, including air outlet valve I (41), air outlet valve II (42), outlet pipe I (43), outlet pipe II (44), go out
Feed channel III (45) and air source processing member (9)；Outlet pipe I (43) and outlet pipe II (44) be arranged in parallel and respectively with air cushion
Cabin connection；One end of outlet pipe I (43) is connected to through air outlet valve I (41) with outlet pipe III (45)；Outlet pipe II (44)
One end is connected to through air outlet valve II (42) with outlet pipe III (45)；The valve actuator and air outlet valve II (42) of air outlet valve I (41)
Valve actuator be connected to through air source processing member (9) with external air source.
6. gas cushion type mud water according to claim 5 balances quick response two-in-parallel regulating system, it is characterised in that: air inlet
The inlet end of pipeline I (33) is connected to through differential pressure control valve (2) with external air source.
7. gas cushion type mud water according to claim 5 or 6 balances quick response two-in-parallel regulating system, it is characterised in that:
Between the valve actuator and air source processing member (9) of intake valve I (31), at the valve actuator and gas source of intake valve II (32)
Velocity-variation amplifier (5) are equipped between reason part (9)；The valve positioner of intake valve I (31) connects with corresponding velocity-variation amplifier (5)
Logical, the valve positioner of intake valve II (32) is connected to corresponding velocity-variation amplifier (5).
8. gas cushion type mud water according to claim 5 or 6 balances quick response two-in-parallel regulating system, it is characterised in that:
Between the valve actuator and air source processing member (9) of air outlet valve I (41), at the valve actuator and gas source of air outlet valve II (42)
It is equipped with velocity-variation amplifier (5) between reason part (9), the valve positioner of air outlet valve I (41) connects with corresponding velocity-variation amplifier (5)
Logical, the valve positioner of air outlet valve II (42) is connected to corresponding velocity-variation amplifier (5).
9. according to right want 8 described in gas cushion type mud water balance quick response two-in-parallel regulating system, it is characterised in that: in outlet
Pipeline III (45) is equipped with muffler (10).
10. according to right want 8 described in gas cushion type mud water balance quick response two-in-parallel regulating system, it is characterised in that: it is described
Gas conditioning module in parallel further includes control assembly, and the control assembly includes pressure sensor (6), PI control box (7) and subtracts
Pressure valve (8)；One end of pressure reducing valve (8) is connected to through air source processing member (9) with external air source；The other end and PI of pressure reducing valve (8) are controlled
Box (7) connection processed, PI control box (7) are connected to pressure sensor (6), and pressure sensor (6) is connected to air cushion cabin, and pressure passes
The feedback end of sensor (6) is connected to PI control box (7)；PI control box (7) respectively with the valve positioner of intake valve I (31), into
The valve positioner connection of the valve positioner of air valve II (32), the valve positioner of air outlet valve I (41), air outlet valve II (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318249.1A CN109469658A (en) | 2018-11-07 | 2018-11-07 | A kind of gas cushion type mud water balance quick response two-in-parallel regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318249.1A CN109469658A (en) | 2018-11-07 | 2018-11-07 | A kind of gas cushion type mud water balance quick response two-in-parallel regulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109469658A true CN109469658A (en) | 2019-03-15 |
Family
ID=65671908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811318249.1A Pending CN109469658A (en) | 2018-11-07 | 2018-11-07 | A kind of gas cushion type mud water balance quick response two-in-parallel regulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109469658A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130915A (en) * | 2019-06-05 | 2019-08-16 | 中铁工程装备集团有限公司 | A kind of air-cushion type Direct-type pressure balance control system and its dredging method |
| CN112177619A (en) * | 2020-09-30 | 2021-01-05 | 中铁隧道局集团有限公司 | Two gas pressurize control system that act on of muddy water shield |
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| CN101705827A (en) * | 2009-10-21 | 2010-05-12 | 上海隧道工程股份有限公司 | Muddy water and air balance shield pressure control method and device |
| CN102926763A (en) * | 2012-09-21 | 2013-02-13 | 中铁隧道装备制造有限公司 | Air cushion type slurry shield gas pressure adjusting system |
| CN105221159A (en) * | 2015-10-10 | 2016-01-06 | 银川英奥特自控有限公司 | Electrically jointly control type shield structure pressure-retaining system |
| CN205000971U (en) * | 2015-10-10 | 2016-01-27 | 银川英奥特自控有限公司 | Shield constructs with electric mixed air pressurizer |
| CN107420109A (en) * | 2017-08-11 | 2017-12-01 | 中国铁建重工集团有限公司 | A kind of automatic pressure-maintaining system and shield machine for slurry balance shield machine |
| CN209324766U (en) * | 2018-11-07 | 2019-08-30 | 中铁工程装备集团有限公司 | Gas cushion type mud water balances quick response two-in-parallel regulating system |
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2018
- 2018-11-07 CN CN201811318249.1A patent/CN109469658A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705827A (en) * | 2009-10-21 | 2010-05-12 | 上海隧道工程股份有限公司 | Muddy water and air balance shield pressure control method and device |
| CN102926763A (en) * | 2012-09-21 | 2013-02-13 | 中铁隧道装备制造有限公司 | Air cushion type slurry shield gas pressure adjusting system |
| CN105221159A (en) * | 2015-10-10 | 2016-01-06 | 银川英奥特自控有限公司 | Electrically jointly control type shield structure pressure-retaining system |
| CN205000971U (en) * | 2015-10-10 | 2016-01-27 | 银川英奥特自控有限公司 | Shield constructs with electric mixed air pressurizer |
| CN107420109A (en) * | 2017-08-11 | 2017-12-01 | 中国铁建重工集团有限公司 | A kind of automatic pressure-maintaining system and shield machine for slurry balance shield machine |
| CN209324766U (en) * | 2018-11-07 | 2019-08-30 | 中铁工程装备集团有限公司 | Gas cushion type mud water balances quick response two-in-parallel regulating system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130915A (en) * | 2019-06-05 | 2019-08-16 | 中铁工程装备集团有限公司 | A kind of air-cushion type Direct-type pressure balance control system and its dredging method |
| CN110130915B (en) * | 2019-06-05 | 2024-03-29 | 中铁工程装备集团有限公司 | Air cushion type direct pressure balance control system and dredging method thereof |
| CN112177619A (en) * | 2020-09-30 | 2021-01-05 | 中铁隧道局集团有限公司 | Two gas pressurize control system that act on of muddy water shield |
| CN112177619B (en) * | 2020-09-30 | 2022-03-15 | 中铁隧道局集团有限公司 | Two gas pressurize control system that act on of muddy water shield |
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