CN101230783A - Method for using new-style shield tail sealing device of shield machine - Google Patents
Method for using new-style shield tail sealing device of shield machine Download PDFInfo
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- CN101230783A CN101230783A CNA2008100264748A CN200810026474A CN101230783A CN 101230783 A CN101230783 A CN 101230783A CN A2008100264748 A CNA2008100264748 A CN A2008100264748A CN 200810026474 A CN200810026474 A CN 200810026474A CN 101230783 A CN101230783 A CN 101230783A
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- steel sheet
- elastic steel
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- shield
- elastic
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Abstract
The invention relates to a use method for a novel shield tail sealing device of a shield machine, which is characterized in that a shield tail sealing brush is divided into a front brush, a middle brush and a tail brush; the front, the middle and the tail brushes all adopt that a front and a rear elastic steel sheets with folding angles clamp and wrap elastic steel wires, wherein, the elastic steel sheets with folding angles are divided into a front folded elastic steel sheet and a back folded elastic steel sheet; the lining boards of the elastic steel sheets are a front elastic steel sheet and a back elastic steel sheet. When the elastic steel sheets are installed, the folding angles of the front folded elastic steel sheet and the back folded back elastic steel sheet face toward a same direction, the tail brush is additionally provided with an outward arc-shaped elastic steel sheet outside the back elastic steel sheet, the steel sheet of the outward arc-shaped steel sheet is tightly and outwards buckled at the tunnel wall of a tunnel. The front folded elastic steel sheet of the invention and a duct piece form two contact points, and mud residues can be effectively prevented from entering an oil cavity. At the same time, grease stored in the middle and the tail brushes forms a grease sealing ring tightly contacting the duct piece under the function of the elastic steel sheets to cooperate with the integral sealing. The back folded steel sheet of the tail brush and the arc-shaped steel sheet simultaneously tightly press on the duct piece and the tunnel wall under the function of the injection pressure to effectively prevent the leakage of the injection serous fluid, and thus the pressure maintaining value in the space between the duct piece and the tunnel wall can reach more than 0.5MPa.
Description
Technical field
The present invention relates to city underground shield-tunneling construction technology, particularly a kind of using method of novel style shield tail sealing device of shield machine.
Background technology
Using shield machine to carry out the city underground construction is a kind of advanced job practices, adopts the shield-tunneling construction of earth pressure balance at present, and its tail sealing device of shield is made up of three seals brush and two oil pockets.Shield tail sealing brush vertically is divided into three roads at a certain distance, and hoop evenly is installed on the roundel shell of shield machine afterbody.Three road shield tail sealing scopiforms become former and later two oil pockets, and each oil pocket is evenly distributed in 6 grease injection holes along 360 ° and injects special fat.
Shield machine is in tunneling process, and the elastic steel sheet of shield tail sealing brush, steel wire should keep the state of mutual extrusion all the time with concrete lining segment, form two airtight grease chambeies.After grease is injected in the grease chamber, form one closely knit grease collar and be close to the section of jurisdiction external surface, the space between sealing shield shell and the section of jurisdiction forms the plug that seals pressurize, the purpose of ending slurry when reaching sealing when tunneling, section of jurisdiction and the grouting of Dong Bi gap.Yet original shield tail sealing has the following disadvantages:
When the intrinsic annulus decentraction of annulus that the back forms and shield tail sealing brush is installed in the section of jurisdiction, easily make the part, space, one side between shield tail and section of jurisdiction excessive, generation blow-by phenomenon;
Sealing device easily produces plastic strain after being subjected to eccentric section of jurisdiction excessive compression, follows the string, and the sealing voltage endurance capability descends;
After shield tail sealing brush used a period of time, because of itself and the direct extrusion friction of section of jurisdiction outer wall, elastic wire easily came off, and caused the sealing reduction.
Above-mentioned performance reduces makes the surface settlement of shield driving process be difficult to control.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art and provides a kind of sealing effectiveness to improve greatly, guarantees the using method of the novel style shield tail sealing device of shield machine of excavation work quality.
A kind of using method of novel style shield tail sealing device of shield machine, comprise rivet 1, shield ventral brush skeleton steel plate 2, elastic wire 3, it is characterized in that: brush before shield tail sealing brush divides, middle brush and ventral brush, the elastic steel sheet 6 of two band knuckles before and after they all adopt, 7 wrap elastic wire 3, folding elastic steel sheet 6 and back folding elastic steel sheet 7 before the elastic steel sheet of band knuckle is divided into, their liner plate is preceding elastic steel sheet 4 and back elastic steel sheet 5, folding elastic steel sheet 6 is rolled over the knuckle of elastic steel sheet 7 towards identical with the back before during installation, ventral brush is being provided with an outside elastic steel sheet 8 of arc in addition outside back knuckle elastic steel sheet 7, its steel disc tunnel hole wall that links closely outward.Three road shield tails sealing brush is close on the concrete lining pipe piece as the spacer assembly of oil pocket, injects grease and forms the grease seal ring in oil pocket, and what guarantee to tunnel carries out smoothly.
The present invention has improved the deficiency of original shield tail sealing brush, and the elastic steel sheet of having set up the band knuckle on preceding brush, middle brush, ventral brush wraps elastic wire, has set up a capable outside elastic steel sheet of arc in addition on ventral brush, assists the seepage channel of sealing shield shell and hole wall.Steel disc of the present invention and section of jurisdiction form two contact points, prevent that effectively body refuse from entering in the oil pocket, and the grease that brush, ventral brush store in the while forms the grease seal ring of being close to the section of jurisdiction under the effect of elastic steel sheet, collaborative integral sealing.Back folding elastic steel sheet on the ventral brush and arc steel plate are effectively avoided the leakage of grouting serous fluid being pressed on simultaneously under the grouting pressure effect on section of jurisdiction and the hole wall, make that the pressurize value can reach more than the 0.5mpa in the space between section of jurisdiction and the hole wall.
Description of drawings
Fig. 1 is the structural representation of preceding brush of shield tail sealing of the present invention and middle brush;
Fig. 2 is a shield tail sealing ventral brush structural representation of the present invention;
Fig. 3 is a shield tail Seal schematic diagram of the present invention.
In Fig. 1～Fig. 3,1 is that rivet, 2 is that shield ventral brush skeleton steel plate, 3 is that elastic wire, 4 is that preceding elastic steel sheet, 5 is that back elastic steel sheet, 6 is to roll over elastic steel sheet, 8 after preceding folding elastic steel sheet, 7 is to be the outside elastic steel sheet of arc.
The specific embodiment
With reference to Fig. 1,2,3, connect into integral body with rivet 1 riveted joint elastic wire 3, preceding elastic steel sheet 4, back elastic steel sheet 5, preceding folding elastic steel sheet 6, back folding elastic steel sheet 7 with shield ventral brush skeleton steel plate 2 earlier.
After shield ventral brush skeleton steel plate 2 and elastic wire 3, preceding elastic steel sheet 4, back elastic steel sheet 5, preceding folding elastic steel sheet 6, back folding elastic steel sheet 7 connected into integral body, form tail sealing device of shield with the welding of shield shell again.
With the liner plate of preceding elastic steel sheet 4 as preceding folding elastic steel sheet 6.
With the liner plate of back elastic steel sheet 5 as back folding elastic steel sheet 7.
With preceding folding elastic steel sheet 6 with press the arc bottom knuckle end section of jurisdiction of linking closely.
With the knuckle end of back folding elastic steel sheet 7 section of jurisdiction of linking closely.
One end and the tunnel hole wall of the outside elastic steel sheet 8 of arc are close to, and the other end is connected with shield ventral brush skeleton steel plate.
The knuckle elastic steel sheet of shield tail sealing brush has been pressed section of jurisdiction and shield tail space maximum value and minimum state design that the shield structure designs, and when section of jurisdiction and its extruding, steel disc forms and " S " shape, form two contact points with the section of jurisdiction.Take place still can form the grease seal ring under the state of design allowable offset value in section of jurisdiction and shield tail, reach the purpose of sealing.Because novel shield tail sealing brush device good sealing effect, make that the pressurize value can reach more than the 0.5mpa in the space between section of jurisdiction and the hole wall.
Claims (2)
1. the using method of a novel style shield tail sealing device of shield machine, comprise rivet (1), shield ventral brush skeleton steel plate (2), elastic wire (3), it is characterized in that: brush before shield tail sealing brush divides, middle brush and ventral brush, the elastic steel sheet (6) of two band knuckles before and after they all adopt, (7) wrap elastic wire (3), folding elastic steel sheet (6) and back folding elastic steel sheet (7) before the elastic steel sheet of band knuckle is divided into, their liner plate is preceding elastic steel sheet (4) and back elastic steel sheet (5), folding elastic steel sheet (6) is rolled over the knuckle of elastic steel sheet (7) towards identical with the back before during installation, ventral brush is being provided with an outside elastic steel sheet of arc (8) in addition outside back knuckle elastic steel sheet (7), its steel disc tunnel hole wall that links closely outward.
2. the using method of a kind of novel style shield tail sealing device of shield machine according to claim 1, it is characterized in that three road shield tails sealing brush is close on the concrete lining pipe piece spacer assembly as oil pocket, inject grease and in oil pocket, form the grease seal ring, guarantee carrying out smoothly of driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100264748A CN100572751C (en) | 2008-02-26 | 2008-02-26 | A kind of using method of style shield tail sealing device of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100264748A CN100572751C (en) | 2008-02-26 | 2008-02-26 | A kind of using method of style shield tail sealing device of shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101230783A true CN101230783A (en) | 2008-07-30 |
| CN100572751C CN100572751C (en) | 2009-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008100264748A Expired - Fee Related CN100572751C (en) | 2008-02-26 | 2008-02-26 | A kind of using method of style shield tail sealing device of shield machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN100572751C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031975A (en) * | 2010-12-30 | 2011-04-27 | 昆山众备机械设备有限公司 | Superposition assembly process for shield tail sealing brush |
| CN102031977A (en) * | 2010-12-30 | 2011-04-27 | 昆山众备机械设备有限公司 | Fixing structure for arranging wire clamping hoops on shield tail sealing brush |
| CN102071951A (en) * | 2010-12-30 | 2011-05-25 | 昆山众备机械设备有限公司 | Novel shield tail sealing brush |
| CN104314580A (en) * | 2014-10-11 | 2015-01-28 | 北京铁五院工程机械有限公司 | Shield tail sealing brush for monitoring shield tail grease cavity pressure of shield tunneling machine and shield tunneling machine |
| CN104747196A (en) * | 2013-12-26 | 2015-07-01 | 江苏凯宫隧道机械有限公司 | Shield tail brush with grouting stop plate |
| CN105863680A (en) * | 2016-06-23 | 2016-08-17 | 重庆睿安特盾构技术股份有限公司 | Composite grouting stop mechanism and shield tunnel boring machine with same |
| CN108374665A (en) * | 2018-01-16 | 2018-08-07 | 中铁二院工程集团有限责任公司 | A kind of synchronous rock tunnel(ling) machine and method for tunnel construction for being laid with waterproof membrane |
| CN108868792A (en) * | 2018-08-31 | 2018-11-23 | 粤水电轨道交通建设有限公司 | Tail sealing brush and tail sealing structure |
| CN110541712A (en) * | 2019-08-21 | 2019-12-06 | 廊坊辰兴机械有限公司 | Novel shield tail sealing brush and shield tail sealing structure |
| JP2020012331A (en) * | 2018-07-20 | 2020-01-23 | 株式会社奥村組 | Shield machine |
| CN111878099A (en) * | 2020-07-31 | 2020-11-03 | 哈尔滨工业大学 | Novel slurry leakage prevention and water leakage combined type protection device for shield tail of shield machine |
| WO2022067993A1 (en) * | 2020-09-29 | 2022-04-07 | 中铁二局集团有限公司 | Shield tail outer side grout stop device and construction method therefor |
-
2008
- 2008-02-26 CN CNB2008100264748A patent/CN100572751C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031975A (en) * | 2010-12-30 | 2011-04-27 | 昆山众备机械设备有限公司 | Superposition assembly process for shield tail sealing brush |
| CN102031977A (en) * | 2010-12-30 | 2011-04-27 | 昆山众备机械设备有限公司 | Fixing structure for arranging wire clamping hoops on shield tail sealing brush |
| CN102071951A (en) * | 2010-12-30 | 2011-05-25 | 昆山众备机械设备有限公司 | Novel shield tail sealing brush |
| CN104747196A (en) * | 2013-12-26 | 2015-07-01 | 江苏凯宫隧道机械有限公司 | Shield tail brush with grouting stop plate |
| CN104314580A (en) * | 2014-10-11 | 2015-01-28 | 北京铁五院工程机械有限公司 | Shield tail sealing brush for monitoring shield tail grease cavity pressure of shield tunneling machine and shield tunneling machine |
| CN104314580B (en) * | 2014-10-11 | 2016-07-06 | 北京铁五院工程机械有限公司 | The tail sealing brush monitoring shield tail grease cavity pressure and shield machine for shield machine |
| CN105863680A (en) * | 2016-06-23 | 2016-08-17 | 重庆睿安特盾构技术股份有限公司 | Composite grouting stop mechanism and shield tunnel boring machine with same |
| CN108374665A (en) * | 2018-01-16 | 2018-08-07 | 中铁二院工程集团有限责任公司 | A kind of synchronous rock tunnel(ling) machine and method for tunnel construction for being laid with waterproof membrane |
| CN108374665B (en) * | 2018-01-16 | 2024-05-28 | 中铁二院工程集团有限责任公司 | Tunnel boring machine capable of synchronously paving waterproof film and tunnel construction method |
| JP2020012331A (en) * | 2018-07-20 | 2020-01-23 | 株式会社奥村組 | Shield machine |
| CN108868792A (en) * | 2018-08-31 | 2018-11-23 | 粤水电轨道交通建设有限公司 | Tail sealing brush and tail sealing structure |
| CN108868792B (en) * | 2018-08-31 | 2024-02-27 | 粤水电轨道交通建设有限公司 | Shield tail sealing brush and shield tail sealing structure |
| CN110541712A (en) * | 2019-08-21 | 2019-12-06 | 廊坊辰兴机械有限公司 | Novel shield tail sealing brush and shield tail sealing structure |
| CN111878099A (en) * | 2020-07-31 | 2020-11-03 | 哈尔滨工业大学 | Novel slurry leakage prevention and water leakage combined type protection device for shield tail of shield machine |
| WO2022067993A1 (en) * | 2020-09-29 | 2022-04-07 | 中铁二局集团有限公司 | Shield tail outer side grout stop device and construction method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100572751C (en) | 2009-12-23 |
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Granted publication date: 20091223 Termination date: 20190226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |