CN103628892A - Shield machine starting device with adjustable seal - Google Patents
Shield machine starting device with adjustable seal Download PDFInfo
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- CN103628892A CN103628892A CN201310651444.7A CN201310651444A CN103628892A CN 103628892 A CN103628892 A CN 103628892A CN 201310651444 A CN201310651444 A CN 201310651444A CN 103628892 A CN103628892 A CN 103628892A
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- shield machine
- cylindrical shell
- cylinder body
- seal
- auxiliary cylinder
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Abstract
The invention discloses a shield machine starting device with an adjustable seal. The shield machine starting device comprises a tube body arranged on a bottom frame, wherein a starting well embedded steel plate connecting plate is arranged on the bottom frame, the front end of the tube body is provided with a hole door connecting flange, a shield machine support device is arranged on the inner surface of the tube body, a negative ring pipe sheet is in lap joint at the tail part of the tube body, and the lap joint part of the tube body and the negative ring pipe sheet is provided with a rubber sealing device. The shield machine starting device has the advantages that the tube body and the negative ring pipe sheet can form a sealed cavity with a hole door and a shield body, when a hole door seal is damaged, the outward leakage of the digging surface pressure can be effectively prevented, and the occurrence of slurry leakage, spraying and collapse can be prevented. Meanwhile, when much water overflows from the digging surface or the pressure is too high, the sealing capability of the rubber seal can also be enhanced through tightly screwing a sealing compression screw bolt, the collapse caused when the shield machine runs into a reinforcing region can be avoided, and the construction risk and the construction cost are greatly reduced.
Description
Technical field
The present invention relates to a kind of shield-tunneling construction equipment, relate in particular to a kind of initiating device for shield machine of being furnished with adjustable sealing.
Background technology
At present, shield construction is very general at home.In shield construction, the stage the most rambunctious is and starts and receive.Tradition starts technique for first portal termination being reinforced, and portal sealing is installed at portal place, then cuts portal, and shield machine enters stabilization zone, by portal, seal the soil pressure that stops shield machine excavation face that contacts with shield body and section of jurisdiction, the sedimentation on control earth's surface.But when practical application, when shield machine enters portal, often destroy portal sealing, cause spillage.If on the too high stratum of hydraulic pressure, drift sand stratum, it is unsatisfactory to the fixation of the soil body that termination reinforces, and the phenomenon such as a large amount of water bursts easily occur, gush when shield machine sails stabilization zone into causes and subsides.
Summary of the invention
The object of this invention is to provide a kind of initiating device for shield machine of being furnished with adjustable sealing, it causes and subsides in the time of can avoiding shield machine to sail stabilization zone into, guarantees construction safety, reduces construction risk and construction cost.
The present invention adopts following technical proposals:
A kind of initiating device for shield machine of being furnished with adjustable sealing, comprise underframe, on underframe, be provided with cylindrical shell, underframe both sides are provided with starting well pre-embedded steel slab junction plate, barrel front end is provided with portal adpting flange, cylindrical shell inner surface is provided with shield machine bracing or strutting arrangement, and cylindrical shell afterbody is overlapped with negative endless tube sheet, and cylindrical shell and negative endless tube oblique cut grafting are partly provided with rubber sealing device.
Described bracing or strutting arrangement adopts and supports square steel, supports on square steel and is provided with the anti-roll locating slot of shield machine.
Described rubber sealing device comprises by set bolt and is arranged on the junction plate on cylindrical shell afterbody, on junction plate, be provided with seal compression bolt fixed head, in gap between seal compression bolt fixed head and negative endless tube sheet, rubber seal and sealing block have been horizontally disposed with, on seal compression bolt fixed head, be horizontally disposed with seal compression bolt, seal compression bolt drives sealing block extruding rubber seal.
Described cylindrical shell is in axial direction assembled by multistage auxiliary cylinder body, and adjacent two cross-talk cylindrical shells utilize flange to be bolted, and are provided with rubber pad between flange.
Described auxiliary cylinder body along continuous straight runs is divided into auxiliary cylinder body and lower auxiliary cylinder body, and upper auxiliary cylinder body and lower auxiliary cylinder body utilize flange to be bolted, and are provided with rubber pad between flange.
Described cylindrical shell is steel cylinders.
Cylindrical shell in the present invention, negative endless tube sheet can form an airtight cavity with portal and shield body, when portal bad seals, can effectively stop excavation face pressure to leak, mortar leakage prevention, the generation of gushing and subsiding.Meanwhile, when excavation face a large amount of water bursts or pressure occurs when excessive, also can by tightening seal compression bolt, strengthen the sealability of rubber seal, in the time of can avoiding shield machine to sail stabilization zone into, cause and subside, greatly reduce construction risk and construction cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of cylindrical shell of the present invention;
Fig. 3 is the structural representation of rubber sealing device of the present invention;
Fig. 4 is the structural representation of shield machine bracing or strutting arrangement of the present invention.
The specific embodiment
As shown in Figures 1 to 4, the initiating device for shield machine of being furnished with adjustable sealing of the present invention comprises underframe 1, on underframe 1, be provided with cylindrical shell, underframe 1 both sides are provided with starting well pre-embedded steel slab junction plate, starting well pre-embedded steel slab junction plate can be connected with the pre-embedded steel slab of starting well by set bolt 2, can be fixed with pre-buried steel plate in starting well; Barrel front end is provided with portal adpting flange 3, cylindrical shell inner surface is provided with shield machine bracing or strutting arrangement, shield machine bracing or strutting arrangement is for reducing the friction between shield machine shield body and cylindrical shell, bracing or strutting arrangement can adopt and support square steel 4, support on square steel 4 and be provided with the anti-roll locating slot of shield machine, the anti-roll locating slot of shield machine coordinates with the alignment pin 5 arranging on shield machine, alignment pin 5 can be released to shield body and be stuck in the anti-roll locating slot of shield machine, to prevent that shield machine from rotating rolling occurs with cutterhead.Cylindrical shell afterbody is overlapped with negative endless tube sheet 6, cylindrical shell and negative endless tube sheet 6 overlaps are provided with rubber sealing device 7, rubber sealing device 7 comprises by set bolt 8 and is arranged on the junction plate 9 on cylindrical shell afterbody, on junction plate 9, be provided with seal compression bolt fixed head 10, in gap between seal compression bolt fixed head 10 and negative endless tube sheet 6, rubber seal 11 and sealing block 12 have been horizontally disposed with, on seal compression bolt fixed head 10, be horizontally disposed with seal compression bolt 13, seal compression bolt 13 drives sealing block 12 extruding rubber seals 11, when gushing with water burst phenomenon, tighten seal compression bolt 13, by increasing the compressed capability of rubber seal 11, carry out sealing.
For the ease of transportation and assembling, cylindrical shell is in axial direction assembled by multistage auxiliary cylinder body, and adjacent two cross-talk cylindrical shells utilize flange to be bolted, and are provided with rubber pad between flange.Every cross-talk cylindrical shell along continuous straight runs is divided into auxiliary cylinder body 14 and lower auxiliary cylinder body 15, and upper auxiliary cylinder body 14 and lower auxiliary cylinder body 15 utilize flange to be bolted, and are provided with rubber pad between flange.Cylindrical shell of the present invention is steel cylinders.
When the present invention starts work, concrete operation step is as follows:
A: be fixed on underframe 1 after the lower auxiliary cylinder body 15 of multistage auxiliary cylinder body is connected by flange, adopt rubber seal between flange, and the starting well pre-embedded steel slab junction plate on underframe 1 is fixed on starting well pre-embedded steel slab by starting well pre-embedded steel slab set bolt 2;
B: shield machine main frame is positioned in the lower auxiliary cylinder body 15 of the multistage auxiliary cylinder body fixing;
C: the upper auxiliary cylinder body 14 of front end cylindrical shell is connected with the lower auxiliary cylinder body 15 of front end cylindrical shell by flange, adopts rubber seal between flange, and abolish portal;
D: the upper auxiliary cylinder body 14 of front end cylindrical shell is connected with portal by portal adpting flange 3, and adopts rubber seal between portal adpting flange 3 and portal;
E: the upper auxiliary cylinder body 14 of multistage cylindrical shell is installed successively by flange, is adopted rubber seal between flange;
D: will bear endless tube sheet 6 and be overlapped on cylindrical shell tail end, cylindrical shell and negative endless tube sheet 6 overlaps are provided with rubber sealing device 7;
F: the alignment pin arranging on shield machine 5 is released to shield body, be stuck in and support in the anti-roll locating slot of shield machine arranging on square steel 4, prevent that shield machine from rotating rolling occurs with cutterhead;
G: control shield machine and start assembled negative endless tube sheet 6, and push ahead;
H: enter into behind stabilization zone when shield machine leaves cylindrical shell, the alignment pin arranging on shield machine 5 is drawn back to shield body inner side.
The present invention in use, after negative ring is assembled, portal, shield body, negative endless tube sheet 6 and the initiating device for shield machine of being furnished with adjustable sealing of the present invention will form an airtight cavity, when portal bad seals, can effectively stop excavation face pressure to leak, mortar leakage prevention, the generation of gushing and subsiding.Meanwhile, when excavation face a large amount of water bursts or pressure occurs when excessive, also can strengthen by tightening seal compression bolt 13 sealability of rubber seal 11.The present invention, by the pressure that uses steel cylinders and rubber seal 11 to control before portal, greatly reduces construction risk and construction cost.
Above embodiment is only for illustrating preferential embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; in the ken possessing at described field those of ordinary skill; it any modification of doing within the spirit and principles in the present invention, is equal to and substitutes and improvement etc., within all should be encompassed in the technical scheme scope that the present invention asks for protection.
Claims (6)
1. an initiating device for shield machine of being furnished with adjustable sealing, it is characterized in that: comprise underframe, on underframe, be provided with cylindrical shell, underframe both sides are provided with starting well pre-embedded steel slab junction plate, barrel front end is provided with portal adpting flange, cylindrical shell inner surface is provided with shield machine bracing or strutting arrangement, and cylindrical shell afterbody is overlapped with negative endless tube sheet, and cylindrical shell and negative endless tube oblique cut grafting are partly provided with rubber sealing device.
2. the initiating device for shield machine of being furnished with adjustable sealing according to claim 1, is characterized in that: described bracing or strutting arrangement adopts and supports square steel, supports on square steel and is provided with the anti-roll locating slot of shield machine.
3. the initiating device for shield machine of being furnished with adjustable sealing according to claim 1 and 2, it is characterized in that: described rubber sealing device comprises by set bolt and is arranged on the junction plate on cylindrical shell afterbody, on junction plate, be provided with seal compression bolt fixed head, in gap between seal compression bolt fixed head and negative endless tube sheet, rubber seal and sealing block have been horizontally disposed with, on seal compression bolt fixed head, be horizontally disposed with seal compression bolt, seal compression bolt drives sealing block extruding rubber seal.
4. the initiating device for shield machine of being furnished with adjustable sealing according to claim 3, it is characterized in that: described cylindrical shell is in axial direction assembled by multistage auxiliary cylinder body, adjacent two cross-talk cylindrical shells utilize flange to be bolted, and are provided with rubber pad between flange.
5. the initiating device for shield machine of being furnished with adjustable sealing according to claim 4, it is characterized in that: described auxiliary cylinder body along continuous straight runs is divided into auxiliary cylinder body and lower auxiliary cylinder body, upper auxiliary cylinder body and lower auxiliary cylinder body utilize flange to be bolted, and are provided with rubber pad between flange.
6. the initiating device for shield machine of being furnished with adjustable sealing according to claim 5, is characterized in that: described cylindrical shell is steel cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310651444.7A CN103628892B (en) | 2013-12-05 | 2013-12-05 | A kind of initiating device for shield machine being furnished with adjustable sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310651444.7A CN103628892B (en) | 2013-12-05 | 2013-12-05 | A kind of initiating device for shield machine being furnished with adjustable sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103628892A true CN103628892A (en) | 2014-03-12 |
| CN103628892B CN103628892B (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310651444.7A Active CN103628892B (en) | 2013-12-05 | 2013-12-05 | A kind of initiating device for shield machine being furnished with adjustable sealing |
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| CN (1) | CN103628892B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265333A (en) * | 2014-09-30 | 2015-01-07 | 中铁十八局集团有限公司 | Water-stop sealing device and method of launching cavity opening of tube push bench under high water pressure condition |
| CN105923265A (en) * | 2016-06-16 | 2016-09-07 | 北京城建集团有限责任公司 | Concrete duct piece bracket and use method thereof |
| CN107013224A (en) * | 2017-05-07 | 2017-08-04 | 中铁十八局集团有限公司 | The flexible steel bushing rubber ring of sealing |
| CN109281710A (en) * | 2018-08-13 | 2019-01-29 | 中铁七局集团西安铁路工程有限公司 | Shield service channel protects gate-type device |
| CN110671116A (en) * | 2019-09-20 | 2020-01-10 | 中交第二航务工程局有限公司 | Starting anti-torsion device for shield tunneling machine and construction method thereof |
| CN111911171A (en) * | 2020-07-21 | 2020-11-10 | 中铁十一局集团有限公司 | Tunnel portal sealing device and method for shield launching |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0855494A1 (en) * | 1997-01-28 | 1998-07-29 | Phoenix France | Flexible sealing joint for drain slots in tunnel walls |
| JP2004169327A (en) * | 2002-11-18 | 2004-06-17 | Sumitomo Rubber Ind Ltd | Water sealing material |
| CN101298836A (en) * | 2008-06-23 | 2008-11-05 | 沈阳重型机械集团有限责任公司 | Pressurization balancing device for shield machine initialization |
| CN201301714Y (en) * | 2008-12-01 | 2009-09-02 | 上海建工（集团）总公司 | Water-stopping device for procedure of exiting starting well or entering receiving well of tunneling machine tool |
| CN102094659A (en) * | 2010-12-29 | 2011-06-15 | 上海隧道工程股份有限公司 | Shield entry spring hinge plate sealing device |
| CN203669877U (en) * | 2013-12-05 | 2014-06-25 | 中铁工程装备集团有限公司 | Shield tunneling machine starting device with adjustable seal in matched mode |
-
2013
- 2013-12-05 CN CN201310651444.7A patent/CN103628892B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0855494A1 (en) * | 1997-01-28 | 1998-07-29 | Phoenix France | Flexible sealing joint for drain slots in tunnel walls |
| JP2004169327A (en) * | 2002-11-18 | 2004-06-17 | Sumitomo Rubber Ind Ltd | Water sealing material |
| CN101298836A (en) * | 2008-06-23 | 2008-11-05 | 沈阳重型机械集团有限责任公司 | Pressurization balancing device for shield machine initialization |
| CN201301714Y (en) * | 2008-12-01 | 2009-09-02 | 上海建工（集团）总公司 | Water-stopping device for procedure of exiting starting well or entering receiving well of tunneling machine tool |
| CN102094659A (en) * | 2010-12-29 | 2011-06-15 | 上海隧道工程股份有限公司 | Shield entry spring hinge plate sealing device |
| CN203669877U (en) * | 2013-12-05 | 2014-06-25 | 中铁工程装备集团有限公司 | Shield tunneling machine starting device with adjustable seal in matched mode |
Non-Patent Citations (2)
| Title |
|---|
| 赵峻: "盾构进出洞施工关键技术", 《上海建设科技》, no. 5, 21 October 2008 (2008-10-21) * |
| 邱品茗等: "关于盾构始发即近距离下穿既有隧道的施工技术探讨", 《四川建筑科学研究》, vol. 38, no. 1, 25 February 2012 (2012-02-25) * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265333A (en) * | 2014-09-30 | 2015-01-07 | 中铁十八局集团有限公司 | Water-stop sealing device and method of launching cavity opening of tube push bench under high water pressure condition |
| CN104265333B (en) * | 2014-09-30 | 2016-06-29 | 中铁十八局集团有限公司 | Under high hydraulic condition, push-bench originates hole water-stopping sealing device and method |
| CN105923265A (en) * | 2016-06-16 | 2016-09-07 | 北京城建集团有限责任公司 | Concrete duct piece bracket and use method thereof |
| CN107013224A (en) * | 2017-05-07 | 2017-08-04 | 中铁十八局集团有限公司 | The flexible steel bushing rubber ring of sealing |
| CN109281710A (en) * | 2018-08-13 | 2019-01-29 | 中铁七局集团西安铁路工程有限公司 | Shield service channel protects gate-type device |
| CN110671116A (en) * | 2019-09-20 | 2020-01-10 | 中交第二航务工程局有限公司 | Starting anti-torsion device for shield tunneling machine and construction method thereof |
| CN110671116B (en) * | 2019-09-20 | 2022-02-15 | 中交第二航务工程局有限公司 | Construction method for preventing initial torsion of shield tunneling machine |
| CN111911171A (en) * | 2020-07-21 | 2020-11-10 | 中铁十一局集团有限公司 | Tunnel portal sealing device and method for shield launching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103628892B (en) | 2015-10-07 |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 450016, Henan, Zhengzhou economic and Technological Development Zone, 1405 East Road, CITIC Plaza, 4 floor, East Applicant after: China Railway Manufacturing Equipment Group Co., Ltd. Address before: 450016, Henan, Zhengzhou economic and Technological Development Zone, 1405 East Road, CITIC Plaza, 4 floor, East Applicant before: China Railway Tunneling Equipment Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: CHINA RAILWAY TUNNELING EQUIPMENT CO., LTD. TO: CHINA RAILWAY MANUFACTURING EQUIPMENT GROUP CO., LTD. |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Ningchuan Inventor after: Ye Lei Inventor after: Ning Haosong Inventor after: Wang Dujuan Inventor after: Wang Xin Inventor before: Zhang Ningchuan Inventor before: Ye Lei Inventor before: Ning Haosong Inventor before: Wang Xin |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG NINGCHUAN YE LEI NING HAOSONG WANG XIN TO: ZHANG NINGCHUAN YE LEI NING HAOSONG WANG DUJUAN WANG XIN |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |