CN207315382U - A kind of external air pressure chamber system of shield machine - Google Patents
A kind of external air pressure chamber system of shield machine Download PDFInfo
- Publication number
- CN207315382U CN207315382U CN201721199113.4U CN201721199113U CN207315382U CN 207315382 U CN207315382 U CN 207315382U CN 201721199113 U CN201721199113 U CN 201721199113U CN 207315382 U CN207315382 U CN 207315382U
- Authority
- CN
- China
- Prior art keywords
- pressure
- external air
- air pressure
- shield machine
- equaliser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a kind of external air pressure chamber system of shield machine,Including external air pressure tank and differential pressure levelmeter,The high platen and low pressure disk of differential pressure levelmeter are upper with external air pressure tank respectively,Lower flange is connected and sealed,The top of external air pressure tank is attached by the pressure output side of pneumatic tube and manual ball valve and pressure equaliser,The pressure input of pressure equaliser is connected with air compressor machine,The lower disposed of external air pressure tank has mud tube,Pass through the opening and closing of air pressure balance and the valve group pump housing and the cooperation of rotating speed of external baric systerm,To keep the continual and steady of native storehouse notch hydraulic pressure,Simultaneously because system automatically controls the configuration of valve group,Air-pressure chamber system air pressure side can be achieved can be independently controlled with mud side,When system failure needs to carry out maintenance,It can be switched fast,Shield machine is not interfered with normally to tunnel,So as to effectively lift the ability and drivage efficiency of slurry shield machine control settlement.
Description
Technical field
A kind of baric systerm in tunneling shield equipment research field is the utility model is related to, particularly outside a kind of shield machine
Put air pressure chamber system.
Background technology
Closed shield-tunneling construction machinery mainly has balancing earth-pressure shielding machine and two kinds of forms of slurry balance shield machine, both
Due to resistance face soil pressure power media and the difference of principle, the penetration performance in heterogeneity stratum respectively has excellent shield machine
It is bad.Wherein tunneled in the water rich strata high to ground requirement of settlement control, slurry balance shield machine compares earth pressure balanced shield, EPBS
Machine is more advantageous on control settlement, and the performance of slurry balance shield machine control settlement, which is mainly embodied in, keeps notch hydraulic pressure
In stable degree.
Current slurry balance shield owner molding on the market will have German and Japanese two major class, wherein Japanese shield machine pair
In the control of native storehouse notch hydraulic pressure, mainly coordinated by the unlatching of external valve group and the adjustment of rotational speed of slush pump to realize supporting
The control of pressure, is automatically adjusted by central control system, and notch water pressure fluctuations are big, therefore driving speed, formation variation, driving
Depth and its Excavation Length have an impact pressure control.And German shield mainly adjusts air pressure come real by buffering air pressure room
The control of existing subbranch pressure, since buffering air pressure room is to be connected directly with Tu Cang by bottom mud discharging mouth, in actual use process
In, a part of mud is stored in air-pressure chamber, by setting the relevant parameter of air pressure regulator, to balance the ripple of support pressure
Dynamic, notch water pressure fluctuations are smaller, but in actual use, buffering air pressure room is usually led due to the deposition of mud dregs
Cause to block, and the damage that agitating device is crushed at the mud discharging mouth also result in air-pressure chamber can not normal use, it is impossible to carry out
Normal driving, due to directly wanting to connect with Tu Cang, maintenance of clean-up is very inconvenient, is required for expending substantial amounts of manpower every time with timely
Between.
Utility model content
The purpose of this utility model, is to provide a kind of shield machine external air pressure chamber system, it is by increasing external air pressure
Control device, links with original shield machine automatic control system, makes shield machine mud hydraulic pressure balance be provided simultaneously with controlling automatically
System and indirect control two ways, so as to reduce the probability of disorderly closedown, realize that shield machine is more accurate to native storehouse notch hydraulic pressure
Control.
The solution that the utility model solves its technical problem is：A kind of external air pressure chamber system of shield machine, including one
Group external air pressure tank and a set of differential pressure levelmeter, the high platen and low pressure disk of the differential pressure levelmeter respectively with external air pressure tank
Upper and lower ring flange be connected and sealed, the top of the external air pressure tank is connected by pneumatic tube with the side of manual ball valve,
The opposite side of manual ball valve is attached by the pressure output side of pneumatic tube and pressure equaliser, the pressure equaliser
Pressure input be connected with air compressor machine, the lower disposed of the external air pressure tank has balances the mud that cabin top is connected with shield
Pipe.
Further as above-mentioned technical proposal is improved, and the gas compartment on top is divided into inside the external air pressure tank with
The mud space in portion, the gas compartment are connected by pneumatic tube with manual ball valve, and the mud space is connected with mud tube, institute
State and pneumatic ball valve is installed on mud tube.
Further as above-mentioned technical proposal is improved, the pressure equaliser include multiple screw gate valves, one group
Diaphragm type regulating valve, one group of pressure indicator controller, one group of locator and multiple pressure reducing valves with filter, multiple spiral shells
Both ends form the output terminal and input terminal of pressure equaliser after rod type gate valve, locator and the series connection of diaphragm type regulating valve, described
One end of diaphragm type regulating valve is in parallel with the input terminal of pressure equaliser by pressure reducing valve, and the of the pressure indicator controller
One end is in parallel with the output terminal of pressure equaliser, and the second end of pressure indicator is connected with diaphragm type regulating valve, pressure instruction
3rd end of device is in parallel with the input terminal of pressure equaliser by pressure reducing valve.
Further as above-mentioned technical proposal is improved, and the external air pressure tank and pressure equaliser are pacified by bracket
Put into effect mounted in shield machine.
The beneficial effects of the utility model are：The utility model is by setting external air pressure tank, the lower part of external air pressure tank
Cabin top is balanced with shield to be connected, under the linkage with central control system, can realize according to notch hydraulic pressure by mud tube
The setting of value, realizes that the pressure of the pressure output side of pressure equaliser is constant, by the air pressure balance of external baric systerm with
And the opening and closing of the valve group pump housing and the cooperation of rotating speed, to keep the continual and steady of native storehouse notch hydraulic pressure, simultaneously because system automatically controls
, it can be achieved that air-pressure chamber system air pressure side can be independently controlled with mud side, breaking down in system needs for the configuration of valve group
It when carrying out maintenance, can be switched fast, not interfere with shield machine and normally tunnel, so as to effectively lift slurry shield machine control settlement
Ability and drivage efficiency.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is the part of the embodiment of the utility model, rather than entirely
Portion's embodiment, those skilled in the art without creative efforts, can also obtain it according to these attached drawings
His designing scheme and attached drawing.
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is pressure equaliser operating diagram in the utility model.
Embodiment
Carried out below with reference to the technique effect of the design of embodiment and attached drawing to the utility model, concrete structure and generation
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is the part of the embodiment of the utility model, rather than whole embodiments, the embodiment based on the utility model, the skill of this area
The other embodiment that art personnel are obtained without creative efforts, belongs to the model of the utility model protection
Enclose.In addition, all connection/connection relations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, to form more preferably draw bail.
With reference to Fig. 1~Fig. 2, a kind of external air pressure chamber system of shield machine, including one group of external air pressure tank 1 and a set of differential pressure
Liquid level gauge 3, high platen and upper lower flange of the low pressure disk respectively with external air pressure tank of the differential pressure levelmeter 3 carry out sealing company
Connect, while the top of the external air pressure tank 1 is connected by pneumatic tube 11 with the side of manual ball valve 2, manual ball valve 2 it is another
Side is attached by pneumatic tube 11 and the pressure output side 4f of pressure equaliser 4, and the pressure of the pressure equaliser 4 is defeated
Enter the compressed air produced by air compressor machine 5 to provide.Certainly, the top of external air pressure tank 1 is also equipped with pressure gauge 7 and automatic leakage
Pressure valve 8.
Preferred embodiment is further used as, the lower part of the external air pressure tank 1 passes through mud tube 10 and original shield
6 top of the cabin connection of structure balance, while manually ball valve 2 and pressure equaliser 4 are connected with the outlet side of air compressor machine 5, are made
External air pressure tank 1 is internally formed the gas cavity that top is compressed gas, and its underpart is mud space, the mud in mud space
In equilibrium state.
Preferred embodiment is further used as, the mud side of the system is provided with pneumatic ball valve 9, is installed in air pressure side
There are pressure equaliser 4 and manual ball valve 2, enable air pressure side and the mud side independent control of system, event occur in system
It when barrier needs to carry out maintenance, can be switched fast, the normal driving of shield machine not interfered with, so as to effectively lift slurry shield machine control
Make the ability and shield driving efficiency of sedimentation.
Preferred embodiment is further used as, the air pressure side of the system is provided with pressure equaliser 4, the pressure
Thrust balancing device 4 has automatic pressure regulation function, it is possible to achieve the pressure of pressure output side 4f is constant.
Preferred embodiment is further used as, the pressure equaliser 4 is by multiple screw gate valve 4a, one group of membrane
Formula regulating valve 4b, one group of pressure indicator controller 4c, one group of locator 4d and multiple pressure reducing valve 4e compositions with filter.
Preferred embodiment is further used as, the pressure indicator controller 4c directly indicates the same of pressure by pointer
When, operation compared with being carried out automatically with setting value sends adjusting air pressure signal, control pressure range of signal 20~
100kPa。
Preferred embodiment is further used as, the locator 4d is according to the air from pressure indicator controller 4c
Active force caused by the pressure change of pressure signal, carries out air-breathing, bleeding, to adjust phase to pressure indicator controller 4c
For the valve opening of air pressure signal.
Preferred embodiment is further used as, the diaphragm type regulating valve 4b is by receiving air pressure signal and dynamic
The regulating valve of work.
Preferred embodiment is further used as, the pressure regulation spectrum of the pressure equaliser 4 is controlled in 0-
Between 1.05MPA, wherein input side is 0.28-1.05MPA, and the control of pressure output side is in 0-0.5MPA, it can be achieved that external air pressure
The adjusting pressure limit of chamber system is up to 500KPA.
Preferred embodiment is further used as, the diaphragm type regulating valve 4b is sent according to from pressure indicator controller 4c
Air pressure signal and act, the aperture of the diaphragm type regulating valve 4b adjust automatically according to the dosage air-blowing quantity of compressed air,
So that the pressure of pressure output side 4f is kept constant.
Preferred embodiment is further used as, the pressure of the pressure output side 4f of pressure equaliser 4 is referred to using pressure
Show adjuster 4c to set, pressure indicator controller 4c is imported into by detection pipe, so and if setting pressure generation deviation,
Then the pressure of output to diaphragm type regulating valve will change, so that the aperture of diaphragm type regulating valve 4b changes, so that
The close setting pressure of the pressure of the pressure output side 4f of pressure equaliser 4.
Preferred embodiment is further used as, the construction of the diaphragm type regulating valve 4b is to pass through air pressure from top
Come open-top, therefore when the output pressure from pressure indicator controller 4c is 0MPa, diaphragm type regulating valve 4b is completely closed, and is worked as
When output pressure rises, then acted to standard-sized sheet direction.Diaphragm type regulating valve 4b is started to open at when output pressure is 0.02MPa,
When output pressure is 0.06MPa, aperture is 50%, is standard-sized sheet when input pressure is 0.1MPa.The output pressure is shown in pressure
On the pressure gauge of power indicator controller 4c, to speculate according to pressure gauge the aperture of valve with this.
Preferred embodiment is further used as, the elemental motion of the pressure indicator controller 4c is：Detect pressure
When the pressure of outlet side 4f declines, export to the pressure rising of diaphragm type regulating valve 4b；Detect the pressure of pressure output side 4f
During rising, then the pressure of output to diaphragm type regulating valve 4b declines.
It is further used as preferred embodiment, the system load increase, the pressure of pressure output side 4f drops to low
When pressure is set, exported from pressure indicator controller 4c to the pressure rising of diaphragm type regulating valve 4b, diaphragm type regulating valve 4b
Moved to opening direction, so as to prevent pressure from declining.On the contrary, when system load reduces, the pressure of pressure output side 4f rises to
During higher than setting pressure, exported from pressure indicator controller 4c to the pressure decline of diaphragm type regulating valve 4b, diaphragm type regulating valve
4b is moved to closing direction, so as to prevent the pressure of pressure output side 4f from rising, with this come realize to external air-pressure chamber system into
Row pressure balance.
Preferred embodiment is further used as, the differential pressure liquid level meter 3 can be with pressure equaliser 4, air compressor machine 5
And the notch hydraulic gage of former shield balance bunker 6 carries out coordinated signals, external air pressure chamber system control and shield machine center are realized
The insertion of control system, reaches the function of coordinated signals in centralized.
Preferred embodiment is further used as, the main device of the system includes external air pressure tank 1 and pressure is put down
The device 4 that weighs is installed on shield head by bracket and nearby opens in appearance, it is possible to achieve external air pressure chamber system follows shield machine to dig
Into synchronization-moving function.
Above is the better embodiment of the utility model is illustrated, but the invention is not limited to institute
Embodiment is stated, those skilled in the art can also make a variety of be equal on the premise of without prejudice to the utility model spirit
Modification or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (4)
- A kind of 1. external air pressure chamber system of shield machine, it is characterised in that：Including one group of external air pressure tank and a set of differential pressure liquid level Meter, the upper and lower ring flange of the high platen and low pressure disk of the differential pressure levelmeter respectively with external air pressure tank are connected and sealed, institute The top for stating external air pressure tank is connected by pneumatic tube with the side of manual ball valve, the opposite side of manual ball valve by pneumatic tube with The pressure output side of pressure equaliser is attached, and the pressure input of the pressure equaliser is connected with air compressor machine, described The lower disposed of external air pressure tank has the mud tube being connected with shield balance cabin top.
- 2. the external air pressure chamber system of shield machine according to claim 1, it is characterised in that：The external air pressure tank inside points Into the gas compartment on top and the mud space of lower part, the gas compartment is connected by pneumatic tube with manual ball valve, the mud Slurry space is connected with mud tube, and pneumatic ball valve is provided with the mud tube.
- 3. the external air pressure chamber system of shield machine according to claim 1 or 2, it is characterised in that：The pressure equaliser Including multiple screw gate valves, one group of diaphragm type regulating valve, one group of pressure indicator controller, one group of locator and multiple band mistakes The pressure reducing valve of filter, both ends form pressure balance dress after multiple screw gate valves, locator and the series connection of diaphragm type regulating valve The output terminal and input terminal put, one end of the diaphragm type regulating valve by the input terminal of pressure reducing valve and pressure equaliser simultaneously Connection, the first end of the pressure indicator controller is in parallel with the output terminal of pressure equaliser, the second end of pressure indicator and Diaphragm type regulating valve connects, and the 3rd end of pressure indicator is in parallel with the input terminal of pressure equaliser by pressure reducing valve.
- 4. the external air pressure chamber system of shield machine according to claim 3, it is characterised in that：The external air pressure tank and pressure Thrust balancing device is installed on shield machine by bracket and puts into effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721199113.4U CN207315382U (en) | 2017-09-18 | 2017-09-18 | A kind of external air pressure chamber system of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721199113.4U CN207315382U (en) | 2017-09-18 | 2017-09-18 | A kind of external air pressure chamber system of shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315382U true CN207315382U (en) | 2018-05-04 |
Family
ID=62383193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721199113.4U Active CN207315382U (en) | 2017-09-18 | 2017-09-18 | A kind of external air pressure chamber system of shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315382U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775242A (en) * | 2018-06-05 | 2018-11-09 | 辽宁三三工业有限公司 | A kind of gas cushion type mud water shield machine muddy water storehouse mud compensation system |
| CN117913420A (en) * | 2024-03-19 | 2024-04-19 | 成都宇能通能源开发有限公司 | Car as a house energy storage system |
-
2017
- 2017-09-18 CN CN201721199113.4U patent/CN207315382U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775242A (en) * | 2018-06-05 | 2018-11-09 | 辽宁三三工业有限公司 | A kind of gas cushion type mud water shield machine muddy water storehouse mud compensation system |
| CN117913420A (en) * | 2024-03-19 | 2024-04-19 | 成都宇能通能源开发有限公司 | Car as a house energy storage system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207315382U (en) | A kind of external air pressure chamber system of shield machine | |
| CN101705827B (en) | Muddy water and air balance shield pressure control method and device | |
| CN102926763A (en) | Air cushion type slurry shield gas pressure adjusting system | |
| CN101705826B (en) | Front shield stable shoe hydraulic system of shield machine | |
| CN104674784A (en) | Control device of slope tide level under super gravity | |
| CN103806482A (en) | Auxiliary power energy-saving device of excavator | |
| CN208431013U (en) | Adapt to the shield hobboing cutter sealing structure and shield hobboing cutter of high hydraulic pressure environment | |
| CN201321628Y (en) | Pipeline layering water fetching device | |
| CN103741711A (en) | Double-wall suction bucket with high and low bucket covers | |
| CN201531272U (en) | Hydraulic system of front shield stable boot of shield machine | |
| CN203770258U (en) | Hydraulic system for stepless regulation of rotation torque of horizontal directional drilling machine | |
| CN204283352U (en) | The machine automatization improved controls commutation hydraulic drive oil pumping machine | |
| CN206286843U (en) | A kind of clamping cylinder suitable for cutter | |
| CN207048788U (en) | A kind of muddy water machine circulation system of double adjustable types | |
| CN206246091U (en) | Pneumatic continuous adjustable oil nozzle valve | |
| CN213510549U (en) | Circulating drainage and mining mechanism in coal bed gas well | |
| CN109458201B (en) | Anti-blocking hydraulic drilling anchor machine with adjustable pressure and flow | |
| CN204985895U (en) | Automatic exhaust steam valve of spring water seal | |
| CN111664136B (en) | Load compensation balance valve | |
| CN201450985U (en) | Negative-pressure pipe-type pressure regulator of infiltrating irrigation device | |
| CN207568566U (en) | Gas well gas guide device | |
| CN115490006A (en) | Material sucking and air supplementing device and material sucking and air supplementing slag discharging method | |
| CN205532325U (en) | Horizontal azimuth adjusting device of track -mounted drill | |
| CN202788866U (en) | Air-cushion-type gas pressure regulation system for slurry shield | |
| CN208040445U (en) | A kind of underground mine use paste body filling bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180516 Address after: 528308 Lun Jiao Street office, Shunde District, Foshan, Guangdong, often teaches the first floor of E block 129229, Zhenxing Road, neighborhood committee. Patentee after: China Railway Hua tunnel joint heavy equipment Co., Ltd. Address before: 510228 15 tower, C tower, Paoli Plaza, 28 Chen Yue Road, Pazhou, Haizhuqu District, Guangzhou, Guangdong Patentee before: Guangdong Hua Qiao construction group Limited by Share Ltd |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lv Minghao Inventor after: Yang Guofeng Inventor after: Yan Xiaozhou Inventor after: Zhu Xiangqian Inventor after: Li Ping Inventor after: Peng Weiqiang Inventor after: Lai Junhou Inventor after: Lin Dong Inventor after: Gao Feng Inventor after: Chen Zhiye Inventor after: Xie Qianyuan Inventor after: Liu Tiansheng Inventor after: Zeng Canbin Inventor after: Yang Junhong Inventor after: Ma Weidong Inventor after: Jiang Jiehua Inventor after: Zhang Haomeng Inventor after: Long Guoqiang Inventor after: Wang Yonggui Inventor after: Li Zhanrong Inventor after: Zhou Zhenyu Inventor after: Xiao Xiaojin Inventor after: Si Jiaxin Inventor after: Zhu Baoshi Inventor before: Lv Minghao Inventor before: Yang Guofeng Inventor before: Yan Xiaozhou Inventor before: Zhu Xiangqian Inventor before: Li Ping Inventor before: Peng Weiqiang Inventor before: Lai Junhou Inventor before: Liu Tiansheng Inventor before: Long Guoqiang Inventor before: Zhu Jinfeng Inventor before: Li Zhanrong Inventor before: Wang Yonggui Inventor before: Xiao Xiaojin Inventor before: Si Jiaxin Inventor before: Zhu Baoshi |