CN110005424A - It is a kind of for weakening the device and its application method that shield screw machine is gushed - Google Patents
It is a kind of for weakening the device and its application method that shield screw machine is gushed Download PDFInfo
- Publication number
- CN110005424A CN110005424A CN201910321359.1A CN201910321359A CN110005424A CN 110005424 A CN110005424 A CN 110005424A CN 201910321359 A CN201910321359 A CN 201910321359A CN 110005424 A CN110005424 A CN 110005424A
- Authority
- CN
- China
- Prior art keywords
- gate valve
- shield
- screw machine
- valve
- water
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000003313 weakening effect Effects 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 238000009825 accumulation Methods 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000005641 tunneling Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000008674 spewing Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means therefor
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)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of for weakening the device and its application method that shield screw machine is gushed, including connecting flange, elbow bend, manual gate valve, Pneumatic gate valve, it is flexible coupling and ball valve, the manual gate valve is connected in the reserved opening of shield spiral drive end unit upper right side by connecting flange and elbow bend, it is arranged between the Pneumatic gate valve and manual gate valve and is flexible coupling together, convenient for device appropriate adjustment angle, ball valve is mounted at left and right sides of the manual gate valve, the interface rinsed when being blocked as device by body refuse, the other end of the Pneumatic gate valve is connected on the horizontal belt of trailer by coating steel pipe, drainage channel of the coating steel pipe as the device, stratum internal water accumulation is guided, discharge.The present invention opens Pneumatic gate valve before shield screw machine driving, through button switch, and the high pressure water in native storehouse is shifted to an earlier date in an organized way outlet, to reduce hydraulic pressure and water in native storehouse, avoids screw machine in tunneling process from frequently gushing, to accelerate construction progress.
Description
Technical field
The invention belongs to Shield Construction Technique fields, and in particular to it is a kind of for weaken device that shield screw machine is gushed and
Its application method.
Background technique
In recent years, with the further development and utilization of the underground space, shield method is with its high automation, safety and environmental protection, construction
High work efficiency obtains more and more extensive utilization.Balancing earth-pressure shielding machine passes through passive soil pressure and digging face in native storehouse
On soil pressure, hydraulic pressure it is in a basic balance so that digging face and shield face are in stable state, use belt feeder+marshaling
Form is slagged tap.
Balancing earth-pressure shielding machine especially tunnels in water rich strata in tunneling process, under the action of high water head pressure,
Spiral drive end unit is easily frequently gushed, and brings adverse effect to driving safety, duration and civilized construction, is become puzzlement shield and is applied
The a big difficulty of work.Balancing earth-pressure shielding machine screw machine, which is gushed, at present there is no highly effective solution, and main use is carried out
The methods of sediment improvement, screw machine open discharge after generation of gushing need that a large amount of manpowers, time is spent to be cleared up.
Summary of the invention
In order to overcome in the prior art shield spiral drive end unit the technological deficiencies such as easily frequently gush, the present invention provides
It is a kind of for weakening the device and its application method that shield screw machine is gushed, shield screw machine driving before, pass through button switch
Pneumatic gate valve is opened, in an organized way outlet avoids tunneling to reduce hydraulic pressure and water in native storehouse in advance by the high pressure water in native storehouse
Screw machine is frequently gushed in the process, solves above-mentioned technical problem.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of dress gushed for weakening shield screw machine
It sets, including connecting flange, elbow bend, manual gate valve, Pneumatic gate valve, coating steel pipe, is flexible coupling and ball valve, the manual gate valve
Be connected to by connecting flange and elbow bend in the reserved opening of shield spiral drive end unit upper right side, the Pneumatic gate valve and manually
It is arranged between gate valve and is flexible coupling together, is convenient for device appropriate adjustment angle, is mounted on ball at left and right sides of the manual gate valve
The other end of valve, the interface rinsed when being blocked as device by body refuse, the Pneumatic gate valve is connected to trailer by coating steel pipe
On horizontal belt, drainage channel of the coating steel pipe as the device guides stratum internal water accumulation, discharges.
A kind of above-mentioned device gushed for weakening shield screw machine, the Pneumatic gate valve is using shield machine in tracheae A
The high-pressure air source of offer is used as and turns on the power, then is controlled by tracheae B connection two-bit triplet reversal valve, can be controlled by button
Opening and closing.
It easily frequently gushs in the use of the present invention, mainly solving shield spiral drive end unit by step used below
The technical issues of:
S1: by elbow bend, manual gate valve, be flexible coupling, Pneumatic gate valve and coating steel pipe successively use connecting flange to be connected to shield
In the reserved opening of structure spiral drive end unit upper right side, the outlet port of coating steel pipe is connected on the horizontal belt of trailer；
S2: opening shield screw machine and tunneled, and when water is larger or there are when artesian water in discovery stratum, opens pneumatic brake
Valve, the high pressure water in shield screw machine will be entered in device by the reserved opening on screw machine, and water is directed to trailer level
Belt on, drain into slag bucket；
S3: when hydraulic pressure is decreased to normally to tunnel in native storehouse, closing Pneumatic gate valve, restores normal driving, opens shield spiral shell
Rotation drive end unit gate is slagged tap；
S4: when device blocking, if what is blocked is the water inlet of device, manual gate valve is closed, foamed pipe or high pressure water are utilized
Pipe is connected to the ball valve close to shield screw machine, carries out cleaning and dredging；If blocking is gate valve position or pipeline section below, open
Manual gate valve is connected to the ball valve far from shield screw machine using foamed pipe or high-pressure water pipe, carries out cleaning and dredging；
S5: also can be used as the entrance that high molecular polymer is broken toward shield spiral drive end unit close to the ball valve of shield screw machine installation,
To improve the physical characteristic of shield spiral drive end unit dregs.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can achieve following has
Beneficial effect: a kind of device gushed for weakening shield screw machine of the present invention, simple structure and reasonable design, in shield
Before screw machine driving, Pneumatic gate valve is opened by button switch, the high pressure water in native storehouse is shifted to an earlier date into an organized way outlet, to reduce
Hydraulic pressure and water in native storehouse, avoid screw machine in tunneling process from being frequent spewing phenomenon, to accelerate construction progress.
Detailed description of the invention
Specific embodiments of the present invention are further described in detail with reference to the accompanying drawing, in which:
Fig. 1 is that the present invention is a kind of for weakening the integrally-built main view of device that shield screw machine is gushed；
Fig. 2 is that the present invention is a kind of for weakening the integrally-built top view of device that shield screw machine is gushed；
In figure: 1- connecting flange, 2- elbow bend, 3- manual gate valve, 4- Pneumatic gate valve, 5- coating steel pipe, 6- are flexible coupling, 7- ball
Valve, 8- tracheae A, 9- tracheae B.
Specific embodiment
As depicted in figs. 1 and 2, a kind of for weakening the integrally-built main view of device that shield screw machine is gushed for the present invention
Figure and top view, including connecting flange 1, elbow bend 2, manual gate valve 3, Pneumatic gate valve 4, coating steel pipe 5, be flexible coupling 6 and ball
Valve 7, the manual gate valve 3 are connected to the reserved opening of shield spiral drive end unit upper right side by connecting flange 1 and elbow bend 2
On, be arranged between the Pneumatic gate valve 4 and manual gate valve 3 and be flexible coupling 6 together, be convenient for device appropriate adjustment angle, it is described manually
The left and right sides of gate valve 3 is mounted on ball valve 7, the interface rinsed when being blocked as device by body refuse, the Pneumatic gate valve 4 it is another
One end is connected on the horizontal belt of trailer by coating steel pipe 5, drainage channel of the coating steel pipe 5 as the device, over the ground
Layer internal water accumulation is guided, is discharged.
The high-pressure air source that Pneumatic gate valve is provided using shield machine in tracheae A8 is used as and turns on the power, then is connected by tracheae B9
The control of two-bit triplet reversal valve can be controlled by button and is opened and closed.
The present invention is using, and mainly solves what shield spiral drive end unit was easily frequently gushed by step used below
Technical problem:
Step 1: by elbow bend 2, manual gate valve 3, be flexible coupling 6, Pneumatic gate valve 4 and coating steel pipe 5 successively using connecting flange
1 is connected in the reserved opening of shield spiral drive end unit upper right side, and the outlet port of coating steel pipe 5 is connected to the horizontal belt of trailer
On；
Step 2: opening shield screw machine and tunneled, and when water is larger or there are when artesian water in discovery stratum, opens gas
Dynamic gate valve 4, controls tracheae A8 and tracheae B9, and the high pressure water in shield screw machine will enter dress by the reserved opening on screw machine
In setting, water is directed on the belt of trailer level, is drained into slag bucket；
Step 3: when hydraulic pressure is decreased to normally to tunnel in native storehouse, closing Pneumatic gate valve 4, restores normal driving, opens shield
Structure spiral drive end unit gate is slagged tap；
Step 4: when device blocking, if what is blocked is the water inlet of device, manual gate valve 3 is closed, foamed pipe or height are utilized
Pressure pipe is connected to the ball valve 7 close to shield screw machine, carries out cleaning and dredging；If blocking is gate valve position or pipeline section below,
Manual gate valve 3 is then opened, the ball valve 7 far from shield screw machine is connected to using foamed pipe or high-pressure water pipe, carries out cleaning and dredging；
Step 5: it also can be used as close to the ball valve 7 of shield screw machine installation toward shield spiral drive end unit and break high molecular polymer
Entrance, to improve the physical characteristic of shield spiral drive end unit dregs.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (3)
1. a kind of device gushed for weakening shield screw machine, including connecting flange (1), elbow bend (2), manual gate valve
(3), Pneumatic gate valve (4), coating steel pipe (5), be flexible coupling (6) and ball valve (7), it is characterised in that: the manual gate valve (3) passes through
Connecting flange (1) and elbow bend (2) are connected in the reserved opening of shield spiral drive end unit upper right side, the Pneumatic gate valve (4)
Be flexible coupling together (6) are set between manual gate valve (3), are convenient for device appropriate adjustment angle, the left and right of the manual gate valve (3)
Two sides are mounted on ball valve (7), the interface rinsed when being blocked as device by body refuse, and the other end of the Pneumatic gate valve (4) is logical
It crosses coating steel pipe (5) to be connected on the horizontal belt of trailer, drainage channel of the coating steel pipe (5) as the device, to stratum
Internal water accumulation is guided, is discharged.
2. a kind of device gushed for weakening shield screw machine according to claim 1, it is characterised in that: described pneumatic
Gate valve (4) is used as using the high-pressure air source that shield machine in tracheae A(8) provides and is turned on the power, then passes through tracheae B(9) connection two
Three-way diverter valve control can be controlled by button and is opened and closed.
3. a kind of for weakening the application method for the device that shield screw machine is gushed, it is characterised in that: the application method include with
Lower step:
S1: by elbow bend (2), manual gate valve (3), be flexible coupling (6), Pneumatic gate valve (4) and coating steel pipe (5) are successively using connecting
Acting flange (1) is connected in the reserved opening of shield spiral drive end unit upper right side, and the outlet port of coating steel pipe (5) is connected to trailer
On horizontal belt；
S2: opening shield screw machine and tunneled, and when water is larger or there are when artesian water in discovery stratum, opens pneumatic brake
Valve (4), the high pressure water in shield screw machine will be entered in device by the reserved opening on screw machine, and water is directed to trailer water
On flat belt, drain into slag bucket；
S3: when hydraulic pressure is decreased to normally to tunnel in native storehouse, closing Pneumatic gate valve (4), restores normal driving, opens shield
Spiral drive end unit gate is slagged tap；
S4: when device blocking, if what is blocked is the water inlet of device, manual gate valve (3) is closed, foamed pipe or high pressure are utilized
Water pipe is connected to the ball valve (7) close to shield screw machine, carries out cleaning and dredging；If blocking is gate valve position or pipeline section below,
Manual gate valve (3) are then opened, the ball valve (7) far from shield screw machine is connected to using foamed pipe or high-pressure water pipe, is cleaned
Dredging；
S5: it also can be used as close to the ball valve (7) of shield screw machine installation toward shield spiral drive end unit and beat entering for high molecular polymer
Mouthful, to improve the physical characteristic of shield spiral drive end unit dregs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321359.1A CN110005424A (en) | 2019-04-22 | 2019-04-22 | It is a kind of for weakening the device and its application method that shield screw machine is gushed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321359.1A CN110005424A (en) | 2019-04-22 | 2019-04-22 | It is a kind of for weakening the device and its application method that shield screw machine is gushed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110005424A true CN110005424A (en) | 2019-07-12 |
Family
ID=67173278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910321359.1A Pending CN110005424A (en) | 2019-04-22 | 2019-04-22 | It is a kind of for weakening the device and its application method that shield screw machine is gushed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110005424A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075461A (en) * | 2019-12-31 | 2020-04-28 | 安徽铜都流体科技股份有限公司 | Dual-mode system dumping gate |
| CN111577306A (en) * | 2020-05-25 | 2020-08-25 | 中铁二十三局集团有限公司 | Improved structure applied to water-rich sandy gravel stratum shield machine and construction method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0759117A1 (en) * | 1994-05-03 | 1997-02-26 | PUTZMEISTER Aktiengesellschaft | Device for driving a tunnel or drain pipe |
| EP1195498A1 (en) * | 2000-10-05 | 2002-04-10 | Herrenknecht Aktiengesellschaft | Shield tunnelling machine |
| CN103291342A (en) * | 2013-06-17 | 2013-09-11 | 黄竹磬 | Pipeline system capable of achieving hydraulic support long-distance liquid supply |
| CN204002831U (en) * | 2014-08-06 | 2014-12-10 | 宏润建设集团股份有限公司 | A kind of screw machine blowout prevention structure |
| CN104612703A (en) * | 2014-12-29 | 2015-05-13 | 上海市基础工程集团有限公司 | Anti-gushing device for sludge discharge of screw conveyor during earth pressure balancing type shield excavation |
| CN108952746A (en) * | 2018-07-26 | 2018-12-07 | 中建隧道建设有限公司 | Anti-spouting device, application method and screw conveyor |
| CN209924994U (en) * | 2019-04-22 | 2020-01-10 | 中建三局基础设施建设投资有限公司 | Device for weakening gushing of shield spiral machine |
| CN210858736U (en) * | 2019-10-28 | 2020-06-26 | 中建三局基础设施建设投资有限公司 | Device for preventing shield spiral conveyor from gushing |
-
2019
- 2019-04-22 CN CN201910321359.1A patent/CN110005424A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0759117A1 (en) * | 1994-05-03 | 1997-02-26 | PUTZMEISTER Aktiengesellschaft | Device for driving a tunnel or drain pipe |
| EP1195498A1 (en) * | 2000-10-05 | 2002-04-10 | Herrenknecht Aktiengesellschaft | Shield tunnelling machine |
| CN103291342A (en) * | 2013-06-17 | 2013-09-11 | 黄竹磬 | Pipeline system capable of achieving hydraulic support long-distance liquid supply |
| CN204002831U (en) * | 2014-08-06 | 2014-12-10 | 宏润建设集团股份有限公司 | A kind of screw machine blowout prevention structure |
| CN104612703A (en) * | 2014-12-29 | 2015-05-13 | 上海市基础工程集团有限公司 | Anti-gushing device for sludge discharge of screw conveyor during earth pressure balancing type shield excavation |
| CN108952746A (en) * | 2018-07-26 | 2018-12-07 | 中建隧道建设有限公司 | Anti-spouting device, application method and screw conveyor |
| CN209924994U (en) * | 2019-04-22 | 2020-01-10 | 中建三局基础设施建设投资有限公司 | Device for weakening gushing of shield spiral machine |
| CN210858736U (en) * | 2019-10-28 | 2020-06-26 | 中建三局基础设施建设投资有限公司 | Device for preventing shield spiral conveyor from gushing |
Non-Patent Citations (1)
| Title |
|---|
| 钟志全;李平;: "土压平衡盾构喷涌防治技术", 建筑机械化, no. 11, 15 November 2017 (2017-11-15), pages 43 - 45 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075461A (en) * | 2019-12-31 | 2020-04-28 | 安徽铜都流体科技股份有限公司 | Dual-mode system dumping gate |
| CN111577306A (en) * | 2020-05-25 | 2020-08-25 | 中铁二十三局集团有限公司 | Improved structure applied to water-rich sandy gravel stratum shield machine and construction method |
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