CN108571327B - Rapid compensation device for dregs in shield machine soil cabin and working method thereof - Google Patents
Rapid compensation device for dregs in shield machine soil cabin and working method thereof Download PDFInfo
- Publication number
- CN108571327B CN108571327B CN201810467584.1A CN201810467584A CN108571327B CN 108571327 B CN108571327 B CN 108571327B CN 201810467584 A CN201810467584 A CN 201810467584A CN 108571327 B CN108571327 B CN 108571327B
- Authority
- CN
- China
- Prior art keywords
- soil
- compensation
- slag
- cabin
- screw conveyor
- 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.)
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Links
- 239000002689 soil Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002893 slag Substances 0.000 claims abstract description 56
- 238000010276 construction Methods 0.000 claims abstract description 14
- 238000009412 basement excavation Methods 0.000 claims abstract description 10
- 230000005641 tunneling Effects 0.000 abstract description 6
- 108010066114 cabin-2 Proteins 0.000 description 7
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 239000011435 rock Substances 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means therefor
-
- 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
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
- E21D9/0879—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering
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)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a rapid slag soil compensation device in a soil cabin of a shield machine and a working method thereof, wherein the rapid slag soil compensation device comprises a screw conveyor connected with the soil cabin of the shield machine, the screw conveyor is provided with a slag soil outlet and a slag soil compensation inlet, and the screw conveyor is communicated with a compensation slag soil storage tank through the slag soil compensation inlet; when the accident condition that the soil pressure in the soil cabin is suddenly reduced, the compensation slag can be quickly compensated into the soil cabin through the compensation slag storage tank, and the excavation surface of the shield tunneling machine is balanced. The invention has the advantages that: the quick slag soil compensation device is simple in structure and convenient to operate, when gushing occurs in the tunneling construction process of the shield machine or the pressure in the soil cabin is rapidly reduced due to improper operation, the quick slag soil compensation device can rapidly compensate the soil pressure in the soil cabin, the situation that the surrounding building (construction) is affected due to subsidence of the earth surface caused by collapse of an excavation surface can be prevented, and convenience is brought when slag soil is started again.
Description
Technical Field
The invention belongs to the technical field of shield machinery and construction, and particularly relates to a rapid compensation device for slag soil in a soil cabin of a shield machine and a working method thereof.
Background
The shield construction means that shield machinery is propelled in stratum, and collapse in a tunnel is prevented by surrounding rocks around a shield shell and a duct piece support. And meanwhile, soil body excavation is carried out by using a cutting device in front of an excavation face, the soil body is conveyed out of a hole by using a screw conveyor, the soil body is pressurized and jacked in the rear part by using a jack, and precast concrete segments are assembled to form a mechanical construction method of the tunnel structure.
In the construction process of the shield, when the screw conveyor is gushed or is in improper operation, the soil pressure in the soil cabin of the shield machine is easy to be rapidly reduced, so that the excavation face is unstable, collapse of the excavation face is caused, and surrounding buildings (structures) are affected. If the materials such as mud are supplemented into the soil cabin for remediation, the pressure of the soil cabin can be quickly reduced when the soil cabin is restarted.
Disclosure of Invention
According to the defects of the prior art, the invention provides the rapid compensation device for the muck in the soil cabin of the shield machine and the working method thereof.
The invention is realized by the following technical scheme:
the quick slag soil compensation device in the soil cabin of the shield machine is characterized by comprising a screw conveyor connected with the soil cabin of the shield machine, wherein the screw conveyor is provided with a slag soil outlet and a slag soil compensation inlet, and the screw conveyor is communicated with a compensation slag soil storage tank through the slag soil compensation inlet.
And a control switch for controlling on-off is arranged at the position of the residue soil outlet and the residue soil compensation inlet.
The top of the compensating slag soil storage tank is communicated with a compressed air tank.
The compressed air tank is provided with compressed air by an air compressor.
The working method of the slag soil quick compensation device in the shield tunneling machine soil cabin is characterized by comprising the following steps of:
(1) When the shield machine is in a normal construction state, closing a slag soil compensation inlet on the spiral conveyor and opening a slag soil outlet on the spiral conveyor, wherein the compressed air tank is in a constant pressure state;
(2) When the soil pressure reduction rate in the soil cabin of the shield machine exceeds a threshold value in the construction process, a muck outlet on the spiral conveyor is closed, a muck compensation inlet on the spiral conveyor is opened, compensation muck stored in a compensation muck storage tank is conveyed into the spiral conveyor under the pressure action of a compressed air tank, and the spiral conveyor is controlled to rotate in the opposite direction when slag is discharged, so that the compensation muck is compensated into the soil cabin to balance the excavation surface of the shield machine.
When the air pressure in the compressed air tank is reduced to a limiting threshold value, the air compressor automatically starts to charge compressed air into the compressed air tank so that the air pressure in the compressed air tank reaches the set threshold value.
The invention has the advantages that: the quick slag soil compensation device is simple in structure and convenient to operate, when gushing occurs in the tunneling construction process of the shield machine or the pressure in the soil cabin is rapidly reduced due to improper operation, soil pressure compensation is rapidly conducted in the soil cabin through the slag soil compensation device, surrounding building (structure) caused by subsidence of the earth surface due to collapse of an excavation surface can be prevented, and convenience is brought when slag soil is started again.
Drawings
FIG. 1 is a schematic structural view of a rapid slag soil compensation device in a soil cabin of a shield tunneling machine.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings, to facilitate understanding by those skilled in the art:
as shown in fig. 1, reference numerals 1 to 11 are respectively: the device comprises a shield machine 1, a soil cabin 2, a screw conveyor 3, a muck compensating inlet 4, a control switch 5, a muck outlet 6, a control switch 7, a muck compensating pipe 8, a compensating muck storage tank 9, a pipeline 10 and a compressed air tank 11.
Examples: as shown in fig. 1, the embodiment specifically relates to a rapid slag soil compensation device in a soil cabin of a shield machine and a working method thereof, the rapid slag soil compensation device comprises a screw conveyor 3, the end part of the screw conveyor 3 is communicated with a soil cabin 2 of the shield machine 1, and the rapid slag soil compensation device is used for outputting soil in the soil cabin 2 outwards through a slag soil outlet 6 in a screw conveying manner; in addition, a slag compensation inlet 4 is also arranged on the pipe body of the screw conveyor 3, the slag compensation inlet 4 is communicated with a compensation slag storage tank 9 through a slag compensation pipe 8 with a certain length, and a sufficient amount of compensation slag is stored in the compensation slag storage tank 9, so that the compensation slag has good plasticity; the top of the compensating slag storage tank 9 is also communicated with a compressed air tank 11 through a pipeline 10, and the compressed air tank 11 can charge high-pressure air into the compensating slag storage tank 9 so as to ensure that the air at the top of the compensating slag storage tank 9 can send compensating slag into the screw conveyor 3 under high pressure; the compressed air tank 11 is also connected to an external air compressor to supply compressed air therethrough.
As shown in fig. 1, in order to realize on-off control of the slag outlet 6 and the slag compensation inlet 4 on the screw conveyor 3, a control switch 5 and a control switch 7 are respectively arranged on the slag outlet 6 and the slag compensation inlet 4.
As shown in fig. 1, the working method of the muck compensating device in the earth cabin of the shield machine in this embodiment can be specifically divided into two states:
(1) When the shield machine 1 is in a normal construction state, a muck compensation inlet 4 on the screw conveyor 3 is kept closed through a control switch 5, a muck outlet 6 is kept in an open state through a control switch 7, the compressed air tank 11 is in a constant pressure state, and the screw conveyor 3 outputs soil in the soil cabin 2 outwards through the muck outlet 6 in a forward rotation conveying mode;
(2) When the earth pressure reduction rate in the earth cabin 2 of the shield machine 1 exceeds a threshold value in the construction process, namely the earth pressure in the earth cabin 2 is suddenly reduced (such as gushing or improper operation of the screw conveyor 3, and the like), the control switch 7 is used for closing the muck outlet 6, the control switch 5 is used for opening the muck compensation inlet 4, the compensation muck in the compensation muck storage tank 9 is pressed and conveyed into the screw conveyor 3 under the high pressure of the compressed air tank 11, and the screw conveyor 3 returns the compensation muck in the screw conveyor to the earth cabin 2 in a reverse rotation conveying mode at the moment to quickly compensate the muck, so that the excavation surface is balanced and gushing is prevented;
if the pressure in the compressed air tank 11 decreases to a certain threshold value, the air compressor is automatically turned on and compressed air is supplied thereto;
after the problem of gushing is solved, enough compensating slag is stored in the compensating slag storage tank 9 before the shield machine 1 performs normal tunneling construction, and the slag compensating device is adjusted.
Claims (1)
1. The working method of the rapid slag soil compensation device in the soil cabin of the shield machine is characterized in that the rapid slag soil compensation device comprises a screw conveyor connected with the soil cabin of the shield machine, a slag soil outlet and a slag soil compensation inlet are formed in the screw conveyor, and the screw conveyor is communicated with a compensation slag soil storage tank through the slag soil compensation inlet;
the dregs outlet and the dregs compensation inlet are provided with control switches for controlling on-off; the top of the compensating slag soil storage tank is communicated with a compressed air tank; the compressed air tank is provided with compressed air by an air compressor;
the working method of the slag soil rapid compensation device comprises the following steps:
(1) When the shield machine is in a normal construction state, closing the muck compensation inlet on the spiral conveyor, opening the muck outlet, and enabling the compressed air tank to be in a constant pressure state;
(2) When the earth pressure reduction rate in the earth cabin of the shield machine exceeds a threshold value in the construction process, closing the muck outlet on the screw conveyor and opening the muck compensation inlet on the screw conveyor, conveying the compensation muck stored in the compensation muck storage tank into the screw conveyor under the pressure action of the compressed air tank, and controlling the screw conveyor to rotate in the opposite direction when the muck is pressed, so as to compensate the compensation muck into the earth cabin and balance the excavation surface of the shield machine;
when the air pressure in the compressed air tank is reduced to a limiting threshold value, the air compressor automatically starts to charge compressed air into the compressed air tank so that the air pressure in the compressed air tank reaches the set threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810467584.1A CN108571327B (en) | 2018-05-16 | 2018-05-16 | Rapid compensation device for dregs in shield machine soil cabin and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810467584.1A CN108571327B (en) | 2018-05-16 | 2018-05-16 | Rapid compensation device for dregs in shield machine soil cabin and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571327A CN108571327A (en) | 2018-09-25 |
| CN108571327B true CN108571327B (en) | 2023-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810467584.1A Active CN108571327B (en) | 2018-05-16 | 2018-05-16 | Rapid compensation device for dregs in shield machine soil cabin and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108571327B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139024B (en) * | 2018-09-29 | 2023-11-14 | 华东交通大学 | Gate device in shield soil cabin and working method thereof |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08105295A (en) * | 1994-10-04 | 1996-04-23 | Konoike Constr Ltd | Soil improvement control device in shield excavator |
| CN102467836A (en) * | 2010-11-19 | 2012-05-23 | 上海市机械施工有限公司 | Earth pressure balance shield tunneling machine teaching system |
| CN202360092U (en) * | 2011-12-14 | 2012-08-01 | 天津海纳九洲掘进机制造有限公司 | Screw conveyor for EPB (earth pressure balance) underground pipe-jacking machines |
| CN202707070U (en) * | 2012-08-09 | 2013-01-30 | 中铁隧道装备制造有限公司 | Composite shield machine with earth pressure balance and slurry balance double modes |
| CN203255668U (en) * | 2013-01-11 | 2013-10-30 | 龙岩嘉麒生物科技有限公司 | Bidirectional discharging screw conveyor |
| CN203667445U (en) * | 2013-12-14 | 2014-06-25 | 辽宁丽天新材料有限公司 | Spiral conveyer |
| CN104373130A (en) * | 2014-11-04 | 2015-02-25 | 中交第二航务工程局有限公司 | Muck pressure maintaining pumping device of earth pressure balance shield machine |
| 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 |
| CN104870748A (en) * | 2012-10-19 | 2015-08-26 | 海瑞克股份公司 | Method and device for transporting overburden away during tunnelling |
| CN105257309A (en) * | 2015-10-30 | 2016-01-20 | 上海交通大学 | Tool changing construction method for in-chamber grouting of earth pressure balance shield machine in sand bed |
| CN105350974A (en) * | 2015-11-16 | 2016-02-24 | 中国铁建重工集团有限公司 | Earth pressure balance shield machine |
| CN106437742A (en) * | 2016-09-05 | 2017-02-22 | 中铁十六局集团北京轨道交通工程建设有限公司 | Earth pressure balance shield construction uprush control device and method in water-rich surrounding rock |
| KR20170093024A (en) * | 2016-02-04 | 2017-08-14 | 강릉건설 주식회사 | The shield tunnel excavator and it's tunnel excavation method with reverse injection of underground water |
| CN107201905A (en) * | 2017-06-06 | 2017-09-26 | 中铁十九局集团轨道交通工程有限公司 | Shield center girff renovation technique at ambient pressure in upper-soft lower-hard ground |
| CN208184744U (en) * | 2018-05-16 | 2018-12-04 | 华东交通大学 | Dregs quick compensator in a kind of shield machine soil cabin |
-
2018
- 2018-05-16 CN CN201810467584.1A patent/CN108571327B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08105295A (en) * | 1994-10-04 | 1996-04-23 | Konoike Constr Ltd | Soil improvement control device in shield excavator |
| CN102467836A (en) * | 2010-11-19 | 2012-05-23 | 上海市机械施工有限公司 | Earth pressure balance shield tunneling machine teaching system |
| CN202360092U (en) * | 2011-12-14 | 2012-08-01 | 天津海纳九洲掘进机制造有限公司 | Screw conveyor for EPB (earth pressure balance) underground pipe-jacking machines |
| CN202707070U (en) * | 2012-08-09 | 2013-01-30 | 中铁隧道装备制造有限公司 | Composite shield machine with earth pressure balance and slurry balance double modes |
| CN104870748A (en) * | 2012-10-19 | 2015-08-26 | 海瑞克股份公司 | Method and device for transporting overburden away during tunnelling |
| CN203255668U (en) * | 2013-01-11 | 2013-10-30 | 龙岩嘉麒生物科技有限公司 | Bidirectional discharging screw conveyor |
| CN203667445U (en) * | 2013-12-14 | 2014-06-25 | 辽宁丽天新材料有限公司 | Spiral conveyer |
| CN104373130A (en) * | 2014-11-04 | 2015-02-25 | 中交第二航务工程局有限公司 | Muck pressure maintaining pumping device of earth pressure balance shield machine |
| 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 |
| CN105257309A (en) * | 2015-10-30 | 2016-01-20 | 上海交通大学 | Tool changing construction method for in-chamber grouting of earth pressure balance shield machine in sand bed |
| CN105350974A (en) * | 2015-11-16 | 2016-02-24 | 中国铁建重工集团有限公司 | Earth pressure balance shield machine |
| KR20170093024A (en) * | 2016-02-04 | 2017-08-14 | 강릉건설 주식회사 | The shield tunnel excavator and it's tunnel excavation method with reverse injection of underground water |
| CN106437742A (en) * | 2016-09-05 | 2017-02-22 | 中铁十六局集团北京轨道交通工程建设有限公司 | Earth pressure balance shield construction uprush control device and method in water-rich surrounding rock |
| CN107201905A (en) * | 2017-06-06 | 2017-09-26 | 中铁十九局集团轨道交通工程有限公司 | Shield center girff renovation technique at ambient pressure in upper-soft lower-hard ground |
| CN208184744U (en) * | 2018-05-16 | 2018-12-04 | 华东交通大学 | Dregs quick compensator in a kind of shield machine soil cabin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108571327A (en) | 2018-09-25 |
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