CN102926761B - Double-mode cutterhead suitable for long-distance and great-gradient inclined well tunnel construction - Google Patents
Double-mode cutterhead suitable for long-distance and great-gradient inclined well tunnel construction Download PDFInfo
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- CN102926761B CN102926761B CN201210474726.XA CN201210474726A CN102926761B CN 102926761 B CN102926761 B CN 102926761B CN 201210474726 A CN201210474726 A CN 201210474726A CN 102926761 B CN102926761 B CN 102926761B
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Abstract
The invention discloses a double-mode cutterhead suitable for long-distance and great-gradient inclined well tunnel construction. The double-mode cutterhead comprises a cutterhead body; the front surface, the edge and the outer conical surface of the cutterhead body are provided with multiple scraping buckets respectively; the scraping buckets installed at the edge of the cutterhead body include the scraping buckets facing opposite directions; the outer edge on the back of the cutterhead body is provided with a conical plate; multiple grid-containing slag-sneaking grooves which are annularly distributed are installed between the conical plate and the cutterhead plate; the back of the cutterhead body is provided with water-spraying rotating connectors; a panel of the cutterhead body is provided with multiple spraying nozzles connected with the water-spraying rotating connectors, foam rotating connectors and foam nozzles exchanging with the water-spraying rotating connectors and the spraying nozzles. Parts of the double-mode cutterhead can be exchanged according to different stratum situations during construction, so that a TBM (tunnel boring machine) can excavate under two different modes including an open mode and a shield mode. The double-mode cutterhead is simple and quick in mode conversion and capable of saving time and increasing the device efficiency and the tunnelling efficiency.
Description
Technical field
The invention belongs to tunnel construction equipment, particularly a kind of double-mode cutterhead being applicable to long distance heavy grade inclined shaft tunnel construction.
Background technology
Shield structure is a kind of heavy mechanical equipment being widely used in the tunnel constructions such as subway, railway, highway, municipal administration, water power, integrate brokenly rock, slag tap, lining cutting, supporting etc.Have the features such as automaticity is high, speed is fast, safe and efficient, shield cutter major function has been the stripping to face ground, is one of critical component of shield structure.
The distance of subway shield tunnel construction is relatively short, and be generally no more than 2km, and the gradient is little, the gradient is no more than 35 ‰.And in colliery system, the inclined shaft length promoted for ore is more than 5 km, and the gradient reaches 100 ‰.Existing shield cutter as shown in Figure 1, comprise the cutter head 1 of body structure, the front of described cutter head 1 is provided with hobboing cutter, described hobboing cutter comprises the some single-blade central hobs 2 being arranged on cutter head cross blade beam central area, the some single-blade hobs 3 being arranged on cross-shaped knife beam region, cutter head 1 front and cutter head fringe region; The hobboing cutter 4 of backbreaking stretched out from periphery is provided with in the casing of cutter head 1.Because this cutterhead is not suitable with the slope construction in colliery, therefore, the inclined shaft of current domestic colliery system adopts shield construction substantially to belong to blank, and research is used for the shield structure of colliery system slope construction and is extremely important for safety of coal mines, High-efficient Production for the cutterhead of inclined shaft section excavation specially.
Summary of the invention
The object of the invention is to provide a kind of double-mode cutterhead being applicable to long distance heavy grade inclined shaft tunnel construction, with the tunnel piercing of satisfied long distance heavy grade, simultaneously for different geology operating modes, can select to adopt TBM its open mode or the different pattern of shield structure pattern two kinds to excavate.
For achieving the above object, the technical solution used in the present invention is: the double-mode cutterhead being applicable to long distance heavy grade inclined shaft tunnel construction, comprise the cutter head of body structure, described cutter head front, edge and the outside conical surface are respectively equipped with somely scrapes slag scraper bowl, and the slag scraper bowl of scraping wherein being located at cutter head edge comprises and towards the opposite scrapes slag scraper bowl; Described cutter head back side outer rim is provided with a circle cone-plate, is provided with the slagging tray of some band grids distributed circlewise between cone-plate and cutter head; The described cutter head back side is provided with water spray swivel coupling, and described cutter head panel is provided with the spray nozzle be connected with water spray swivel coupling that several can be changed from rear portion; Also comprise the foam swivel coupling and foam jet that can carry out with described water spray swivel coupling and spray nozzle respectively exchanging.
Be provided with compound wear-resisting steel plates in described cutter head front, be provided with the wearing plate of embedded alloy in cutter head periphery.
The described width scraping quarrel scraper bowl is 600mm, and that scrapes that quarrel scraper bowl back is provided with 30 ° ~ 40 ° of high inclination-angles scrapes quarrel scraper bowl swash plate.
The present invention is the improvement to existing shield cutter, according to the Different Strata situation run in construction, TBM its open mode can be realized and shield structure pattern two kinds of different modes carry out excavating to adapt to different geology working condition requirements by changing parts, patten transformation is simple, quick, save time, improve device efficiency and drivage efficiency.The width that conventional TBM scrapes quarrel scraper bowl is about 450mm ~ 500mm, the present invention adopts and scrapes mode that quarrel outside width of bucket is increased to 600mm and increase by single and scrape quarrel dipper capacity, have employed layout of scraping slag scraper bowl towards the opposite simultaneously, positive and negative two-wayly to slag tap can be realized, slip the grid that arranges on quarrel groove, water in quarrel stone can be separated, when improving descending driving, scrape quarrel and the problem that has some setbacks of muck removal, finally improve muck removal efficiency.The angle that conventional TBM scrapes quarrel scraper bowl swash plate is about 20 ° ~ 30 °, can only meet design grade and be not more than 35 ‰ tunnel excavations, and the present invention will scrape quarrel scraper bowl swash plate angle and be increased to 30 ° ~ 40 °, and making equipment adapt to the gradient is the tunnel excavation of 100 ‰.Cutter head front and neighboring are respectively equipped with wear-resisting steel plate, and Hardox500 wear-resisting steel plate selected by the quarrel channel-section steel plate that simultaneously slips, and improves the anti-wear performance of whole cutterhead, meets the requirement of shield structure long distance driving.
Below in conjunction with drawings and Examples, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the cutter head structure schematic diagram of the present invention for TBM its open mode.
Fig. 2 is the sectional drawing of the present invention for the cutterhead of TBM its open mode.
Fig. 3 is the rear elevation of cutterhead of the present invention.
Fig. 4 is the cutter head structure schematic diagram of the present invention for shield structure pattern.
Fig. 5 is the sectional drawing of the present invention for the cutterhead of shield structure pattern.
Detailed description of the invention
See Fig. 1-Fig. 3, be applicable to the double-mode cutterhead of long distance heavy grade inclined shaft tunnel construction, comprise the cutter head 1 for the body structure of TBM its open mode, the front of cutter head 1 is provided with hobboing cutter, and hobboing cutter comprises the some single-blade central hobs 2 being arranged on cutter head cross blade beam central area, the some single-blade hobs 3 being arranged on cross-shaped knife beam region, cutter head 1 front and cutter head fringe region; The hobboing cutter 4 of backbreaking stretched out from periphery is provided with in the casing of cutter head 1; Cutter head 1 is provided with several and scrapes slag scraper bowl, comprise be located in the middle of cutter head 1 front surface region cross blade beam towards consistent scrape that slag scraper bowl 6 and cutter head fringe region cross blade beam both sides arrange scrape slag scraper bowl 5,5', be arranged on and scrape slag scraper bowl 14 outside cutter head 1 on the conical surface, wherein scrape slag scraper bowl 5 and scrape the towards the opposite of slag scraper bowl 5', can slag tap by bidirectional rotation; That scrapes that quarrel scraper bowl back is provided with 30 ° ~ 40 ° of high inclination-angles scrapes quarrel scraper bowl swash plate 19; Cutter head 1 back side outer rim is provided with a circle cone-plate 10, the slagging tray 11 of some band grids 9 distributed circlewise is provided with between cone-plate 10 and cutter head 1, cone-plate 10 is for collecting the slag stone of hobboing cutter fragmentation, and slagging tray 11 being arranged grid 9 can separate the water in slag stone, improves slag discharge efficiency; The centre at cutter head 1 back side is provided with water spray swivel coupling 12, cutter head 1 panel is provided with several spray nozzles 7 be connected with water spray swivel coupling 12 can changed from rear portion and can sprays water to face, for dedusting and cooling; Be respectively equipped with the wearing plate 13 of compound wear-resisting steel plates 8 and embedded alloy in cutter head 1 front and neighboring, the quarrel groove 11 that slips selects Hardox500 wear-resisting steel plate, improves the anti-wear performance of cutterhead when long distance driving; The width scraping quarrel scraper bowl is 600mm.
As shown in Figure 4, Figure 5, cutter head 1 of the present invention also comprises the foam swivel coupling 17 and foam jet 15 that can carry out with described water spray swivel coupling 12 and spray nozzle 7 respectively exchanging, foam jet 15 is connected with foam swivel coupling 17, constitute the cutterhead for shield structure pattern, foam jet 15 can spray sediment improvement agent to face, for improveing dregs, preventing cutterhead from tying " mud cake ", improving slag discharge efficiency.
The present invention, according to the Different Strata situation run in construction, can adopt TBM its open mode and shield structure pattern two kinds of different modes to excavate.When running into tunneling boring hard rock, adopt TBM its open mode driving, roll fractured rock by hobboing cutter 2,3,4, then by scraping slag scraper bowl 5,5', 6 by the rock slag of fragmentation shovel feed disk body, be delivered to dreg-accepting hopper by slagging tray 11 again, be delivered to outside hole finally by conveyor; Spray nozzle 7 on cutterhead can be sprayed water to face, has dedusting and the effect to knife disc tool cooling concurrently.When running into soft rock, weak soil or caving ground, shield structure pattern can be adopted to tunnel, hobboing cutter 2,3,4 and scrape slag scraper bowl 5,5', 6 combination cut broken ground, foam jet 15 on cutter head can spray soil improvement agent improvement dregs, stirred by stirring rod 16 pairs of dregs at cutterhead and cutterhead back simultaneously, by conveying worm, dregs is delivered to conveyor again, is finally delivered to outside hole.Convert shield structure pattern to by TBM its open mode and only need remove slagging tray 11, cone-plate 10, water spray swivel coupling 12 and spray nozzle 7, assembling foam swivel coupling 17 and foam jet 15; When becoming TBM its open mode by shield structure patten transformation, only need remove foam swivel coupling 17 and foam jet 15, then assemble back slagging tray 11, cone-plate 10, spray water swivel coupling 12 and spray nozzle 7.
Claims (1)
1. one kind is applicable to the double-mode cutterhead of long distance heavy grade inclined shaft tunnel construction, comprise the cutter head of body structure, it is characterized in that: the front of described cutter head is provided with hobboing cutter, hobboing cutter comprises the some single-blade central hobs being arranged on cutter head cross blade beam central area, the some single-blade hobs being arranged on cross blade beam region, cutter head front and cutter head fringe region; The hobboing cutter of backbreaking stretched out from periphery is provided with in the casing of cutter head; Described cutter head front, edge and the outside conical surface are respectively equipped with somely scrapes slag scraper bowl, and the slag scraper bowl of scraping wherein being located at cutter head edge comprises and towards the opposite scrapes slag scraper bowl; Described cutter head back side outer rim is provided with a circle cone-plate, is provided with the slagging tray of some band grids distributed circlewise between cone-plate and cutter head; The described cutter head back side is provided with water spray swivel coupling, and described cutter head panel is provided with the spray nozzle be connected with water spray swivel coupling that several can be changed from rear portion; Also comprise the foam swivel coupling and foam jet that can carry out with described water spray swivel coupling and spray nozzle respectively exchanging; Be provided with compound wear-resisting steel plates in described cutter head front, be provided with the wearing plate of embedded alloy in cutter head periphery; The described width scraping slag scraper bowl is 600mm, and that scrapes that slag scraper bowl back is provided with 30 ° ~ 40 ° of high inclination-angles scrapes slag scraper bowl swash plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210474726.XA CN102926761B (en) | 2012-11-21 | 2012-11-21 | Double-mode cutterhead suitable for long-distance and great-gradient inclined well tunnel construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210474726.XA CN102926761B (en) | 2012-11-21 | 2012-11-21 | Double-mode cutterhead suitable for long-distance and great-gradient inclined well tunnel construction |
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| CN102926761A CN102926761A (en) | 2013-02-13 |
| CN102926761B true CN102926761B (en) | 2015-07-01 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362516B (en) * | 2013-08-02 | 2015-07-15 | 中铁工程装备集团有限公司 | Combined type shield tunneling machine |
| CN103758528B (en) * | 2014-01-03 | 2016-06-01 | 大连理工大学 | A kind of development machine cutterhead slip quarrel plate curved surface method of design |
| CN104533438A (en) * | 2014-12-29 | 2015-04-22 | 上海市基础工程集团有限公司 | One-way valve type nozzle for shield machine slurry supply and water supply system |
| CN108086988A (en) * | 2018-02-01 | 2018-05-29 | 中铁工程装备集团有限公司 | A kind of normal pressure tool changing cutterhead auxiliary girder for having the function of to slip slag |
| CN111322080B (en) * | 2020-03-19 | 2021-06-29 | 西安建筑科技大学 | Open TBM cutter head hole internal fixing method based on anchor rod locking process |
| CN112593957B (en) * | 2020-12-03 | 2022-08-19 | 重庆文理学院 | Tunneling measuring machine capable of realizing remote control type TBM construction and using method |
| CN112343609B (en) * | 2020-12-26 | 2022-04-29 | 中铁工程装备集团有限公司 | Hollow TBM cutter head, pilot tunnel expanding excavation TBM for inclined shaft and construction method |
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| CN101509381A (en) * | 2008-12-24 | 2009-08-19 | 中铁隧道集团有限公司 | Composite shield structure suitable for bad ground construction |
| CN102383805A (en) * | 2011-10-19 | 2012-03-21 | 中铁隧道装备制造有限公司 | Mixed TBM (Tunnel Boring Machine) with multiple-boring mode and tunnel supporting mode |
| CN102704945A (en) * | 2012-06-29 | 2012-10-03 | 中国铁建重工集团有限公司 | Full-section rock ripper for long-distance heavy-gradient inclined shaft |
| CN202882935U (en) * | 2012-11-21 | 2013-04-17 | 中国铁建重工集团有限公司 | Dual-mode cutter disc suitable for construction of long-distance and big-gradient deviated well tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3815829B2 (en) * | 1996-11-15 | 2006-08-30 | 株式会社小松製作所 | Tunnel excavator |
| JP4037420B2 (en) * | 2004-09-01 | 2008-01-23 | 大豊建設株式会社 | Excavator |
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- 2012-11-21 CN CN201210474726.XA patent/CN102926761B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509381A (en) * | 2008-12-24 | 2009-08-19 | 中铁隧道集团有限公司 | Composite shield structure suitable for bad ground construction |
| CN102383805A (en) * | 2011-10-19 | 2012-03-21 | 中铁隧道装备制造有限公司 | Mixed TBM (Tunnel Boring Machine) with multiple-boring mode and tunnel supporting mode |
| CN102704945A (en) * | 2012-06-29 | 2012-10-03 | 中国铁建重工集团有限公司 | Full-section rock ripper for long-distance heavy-gradient inclined shaft |
| CN202882935U (en) * | 2012-11-21 | 2013-04-17 | 中国铁建重工集团有限公司 | Dual-mode cutter disc suitable for construction of long-distance and big-gradient deviated well tunnel |
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| CN102926761A (en) | 2013-02-13 |
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Address after: 410100 No. 88 East 7 Line of Changsha Economic and Technological Development Zone, Hunan Province Patentee after: China Railway Construction Heavy Industry Group Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan, No. 88 East Road, No. seven Patentee before: China Railway Construction Heavy Industry Co.,Ltd. |
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