CN101949292A - Cutter head structure provided with plurality of layers of flexible spokes and capable of cutting non-round section tunnel - Google Patents
Cutter head structure provided with plurality of layers of flexible spokes and capable of cutting non-round section tunnel Download PDFInfo
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- CN101949292A CN101949292A CN 201010293931 CN201010293931A CN101949292A CN 101949292 A CN101949292 A CN 101949292A CN 201010293931 CN201010293931 CN 201010293931 CN 201010293931 A CN201010293931 A CN 201010293931A CN 101949292 A CN101949292 A CN 101949292A
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- cutter head
- cutter
- spoke
- multilayer
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Abstract
The invention relates to a cutter head structure which is capable of cutting a plurality of non-round section tunnels and can be applied to a shield and a push bench and belongs to the invention of tunnel construction equipment. The cutter head structure is characterized in that a plurality of spokes which can move along the radial direction of a cutter head in a stretching way are arranged on the cutter of the shield or the push bench, and the end parts of the spokes always and tightly push against the inner wall of a shell of the shield or the push bench. When the cutter head rotates, the stretchable spokes can stretch out or draw back according to the shape of the shell; therefore, cutters arranged on the stretchable spokes can cut a cross section which has the same shape with the shell. The cutter head structure can be used for cutting non-round section tunnels in different types of square, rectangular, circular square, rectangular circular, elliptical, oval, horseshoe, diamond, arcuate rectangle, and the like.
Description
Technical field
The present invention relates to a kind of cutter head structure that has the scalable spoke of multilayer, can cut multiple non-circular section tunnel, belong to the invention of constructing tunnel equipment.
Background technology
In underground construction, the section in most tunnels all is circular, because circular cross section is the easiest realization.Yet because the underground pile foundation and the facility in city are more and more intensive, the resource of the underground space is day apparent rare preciousness, thereby often occurs making that owing to the deficiency of the underground space selection of circular tunnel circuit is hindered.Though the section of circular tunnel is the construction section of easy realization in addition, but the highest tunnel cross-section of utilization ratio under most situation, that is to say, in the construction of circular tunnel, often inevitably the soil body in many those spaces unnecessary, that just have no usage is from now on excavated.Therefore, in order to solve the weak point of circular tunnel, had in the increasing non-circular engineering of tunnel to occur all over the world as square, rectangle or oval equal section.For the tunnel (or claiming special-shaped tunnel) of building various non-circular sections, the patent that has occurred considerable relevant non-circular constructing tunnel equipment in the world, two circular beater plates and the cydariform hobboing cutter of two horizontal arrangement up and down about being provided with such as JP3122398, US5110188 adopts several circular beater plates and several swing type cutters, JP6307190 is arranged on the circular triangle cutterhead in the sleeve that becomes off-centre with shield structure body longitudinal axis, JP2002004758 has adopted eccentric multi-shaft mechanism, EP1959093 is in a symmetrical arrangement and can on the eccentric axle head that swing two cutterheads be installed in center rotation with respect to shield structure center at two, US4998776 is provided with the circular little cutterhead that can swing on circular beater plate, JP2000008779 is provided with on circular beater plate can rotating avette little cutterhead and cut by the rotation revolution, US20100164274 is provided with a plurality of cutterheads and cuts by rotation revolution and swing around a plurality of axiss of rotation, and JP11256991, JP2005256434, JP2000213279, JP2007126882, ZL02136207.6 or the like.All these patent equipments can cut the tunnel of some non-circular section, the all very ingenious uniqueness of their design, just their frame for movement is all too complicated, wherein great majority also must by the special cooperation of electrical equipment and hydraulic pressure or by computer control with pendulum angle with some cutter, the phase angle of angle of revolution or extension elongation and cutter rotary is mapped and could realizes the cutting of non-circular section, thereby these equipment manufacturing cost are extremely expensive, repair and maintenance are repaired difficulty, fault rate increases, thereby causes the tunnel of non-circular section to be difficult to obtain positive popularization development always.
Summary of the invention
The present invention proposes the cutter head structure that a kind of structure very simply but can cut multiple non-circular section tunnel, and this cutter head structure can be applied on shield structure and the push-bench.By cutter head structure of the present invention and be equipped with corresponding housing, shield structure and push-bench just can cut the tunnel of square, rectangle, circular arc square, circular arc rectangle, ellipse, avette, the shape of a hoof, rhombus, arciform rectangle or the like polytype non-circular section.
The technical solution adopted in the present invention is: several are set on the cutterhead of shield structure or push-bench can be along the spoke of radially doing telescopic moving of cutterhead, and spoke end is withstood on the inner walls of shield structure or push-bench all the time tightly.When cutterhead rotates, scalable spoke will stretch out along with the variation of hull shape curvature or withdraw, thereby the cutter that is installed on the scalable spoke goes out with the identical section of hull shape with regard to machinable, and, no matter the housing of shield structure or push-bench is the section of what shape, and the cutter on the scalable spoke all can be made real full section cutting to the soil body of this shape section.Concrete way is: the cutter on the cutterhead is divided make two big classes, it be cutting smaller or equal to the soil body in the circle of the inscribed circle diameter in non-circular section yet to be built tunnel that first kind cutter is responsible for diameter, the cutting of the soil body between the periphery of the responsible circle that the periphery and the first kind cutter of non-circular section are cut of the second class cutter.The first kind cutter and the second class cutter all are subjected to the driving of cutterhead and are that the centre of gyration turns round cutting to the soil body with the cutter axis.The first kind cutter and the second class cutter both can be in the same cutting plane, also can be in former and later two different cutting planes, and under latter instance, the second class cutter is positioned at that cutting plane of first kind cutter back.First kind cutter is fixed on the cutter head, and the second class cutter is fixed on to radially doing telescopic moving along cutterhead on the spoke of multilayer Collapsible structure and by Collapsible structure.On all stress surfaces in multilayer Collapsible structure spoke between each layer linear roller bearing is installed all, and in oppositely stressed each other linear roller bearing, is chosen on the stressed linear roller bearing of a certain direction clearance adjustment mechanism is set.Between each layer of the scalable spoke of multilayer, be provided with sealing device, with the function of guaranteeing linear roller bearing be not cut soil influence.To stretching to such an extent that layer spoke of going out most applies a power all the time, it is withstood on the inner walls of shield structure or push-bench by the means of machinery or hydraulic pressure all the time tightly.Stretching to such an extent that roller is equipped with on the top of that layer spoke of going out most, so that form rolling friction between the inner walls of scalable spoke and shield structure or push-bench.The inner walls of shield structure or push-bench is having a circle wearing layer with the place's built-up welding of roller contact position.
The invention has the beneficial effects as follows: the present invention sweeps complex structure, the expensive situation of non-circular section constructing tunnel equipment in the past.The shield structure and the push-bench of the existing relatively circular tunnel of the present invention, general structure almost has no change, just very little difference is arranged at mechanical part, and basic to the electric hydraulic part just without any change, even also only need draw an oil circuit that is provided with safety valve delivers to single-acting formula oil cylinder when adopting hydraulic solution of the present invention.The technology that this structure very simply but can arbitrarily cut various non-circular sections tunnel will greatly promote promoting the use of of non-circular section tunnel undoubtedly.There has been the possible technique in this non-circular section tunnel to back, just can extremely there be more selection in the city under the condition of limited in the underground space when planning and designing subterranean tunnel such as subway line, common trench, underground garage or walkway, tunnel construction side also can select best tunnel cross-section shape according to the final application target in tunnel and no longer be subjected to adopting the restriction of circular cross section.In addition, for the three big factors that influence the construction of tunnel cost, promptly constructing tunnel equipment, pipe-plate lining and quarrel soil excavate the transportation processing, and the present invention can both play a positive role.Cost of the present invention is compared definitely to have significantly with the construction equipment in the past non-circular section tunnel and is reduced, even compare also roughly suitable with the construction equipment in the circular cross section tunnel of corresponding size, and by selecting for use suitable non-circular section tunnel can reduce the digging of the soil body in those unnecessary spaces to greatest extent, thereby both can be under having saved in the excavation of quarrel soil, transportation, the processing considerable expense, again can because of the tunnel cross-section girth reducing save many expenses same aspect the pipe-plate lining.Therefore, from saving the cost aspect of construction of tunnel, the present invention also will play very positive effect.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the profile and the clearance diagram of the Shanghai Underground shield structure and the circular tunnel of building thereof.
Fig. 2 is total figure of the embodiment of the invention one.
Fig. 3 is the cross dimensions of the shield structure housing of the embodiment of the invention one.
Fig. 4 is the detail drawing of the scalable spoke of the embodiment of the invention one.
Fig. 5 is total figure of the embodiment of the invention two.
Fig. 6 is total figure of the embodiment of the invention three.
Fig. 7 is the detail drawing of the scalable spoke of the embodiment of the invention three.
Fig. 8 is the example of the section configuration in the present invention non-circular tunnel that can cut.
1. shield structure housings among the figure, 2. scalable spoke, 3. cutter head, 4. scalable spoke skin, 5. compression spring, 6. sealing self-aligning roller bearing, 7. wearing layer, 8. scalable spoke internal layer, 9. straight line roller rolling bearing, 10. hold-down screw, 11. holding screw, 12. rubber gasket sheets, 13. hydraulic cylinders, 14. the compression spring, 15. limited blocks.
The specific embodiment
The embodiment of the invention one is to be the design that prototype is done with Shanghai Underground shield structure.Fig. 1 is the profile of Shanghai Underground shield structure and the circular tunnel built thereof, wherein, shield structure external diameter is 6340mm, and internal diameter is 6260mm, after removing shield tail gap 30mm * 2, the external diameter of tunnel duct piece is 6200mm, and internal diameter is 5500mm, after removing the shield structure again and advancing factors such as error, measure error and differential settlement, effective internal diameter of getting the tunnel after building up is 5200mm, then, effective according to this internal diameter carries out apparatus arrangement according to the every threshold value in the tunnel.As can be seen from the figure, this circular tunnel space in the horizontal direction still has the leeway of compression in fact.For this reason, the embodiment of the invention one is transformed into the shield structure of an elliptical section with the shield structure of former Shanghai Underground, to save the cost of construction of tunnel.Fig. 2 is total figure of the embodiment of the invention one, adopted the design of panel type cutterhead because of the design that continues former Shanghai Underground shield structure, wherein, the cross dimensions of shield structure housing (1) sees that (dash area is that improved shield structure can lack the soil body part of digging before transforming to Fig. 3 among the figure, calculate and dig 10% the soil body as can be known less), the detail drawing of scalable spoke (2) is seen Fig. 4.Being fixed on cutter on the cutter head (3) is that first kind cutter is responsible for the soil body in the elliptical section inscribed circle is cut, be fixed on the scalable spoke (2) cutter promptly the soil body be responsible between the periphery of the circle that periphery and first kind cutter to elliptical section cut of the second class cutter cut.The first kind cutter and the second class cutter are in the same cutting plane.Scalable spoke skin (4) effect of spring (5) by compression withstands on the inwall of shield structure housing (1) tightly by sealing self-aligning roller bearing (6) all the time.With broadband utmost point built-up welding one circle wearing layer (7) is being arranged with sealing self-aligning roller bearing (6) contact position place on the inwall of shield structure housing (1).Between scalable spoke skin (4) and the scalable spoke internal layer (8) straight line roller rolling bearing (9) is installed.In oppositely stressed each other straight line roller rolling bearing (9), be chosen on the stressed straight line roller rolling bearing (9) of a certain direction clearance adjustment mechanism is set.The gap adjustment draws a top to be achieved by the hold-down screw (10) of straight line roller rolling bearing (9) with one of holding screw (11).The rubber gasket sheet (12) of inserted trick on scalable spoke skin (4), being equipped with, with the protection straight line roller rolling bearing (9) function be not cut soil influence.
The embodiment of the invention two is the spoke type cutterheads that are used for push-bench according to the cross dimensions of walkway under the somewhere, Shanghai (for the square of 3.8m * 3.8m) design, adopt the scheme of two cutting planes, double-deck scalable spoke and compression spring, total figure sees Fig. 5.
The embodiment of the invention three is the spoke type cutterheads that are used for the shield structure according to the cross dimensions of certain common trench of Japan (for the following perpendicular rectangle of arch that is of going up of 7.65m * 5.1m) design, adopt the scheme of two cutting planes, three layers of scalable spoke and hydraulic cylinder, total figure sees Fig. 6.The detail drawing of scalable spoke is seen Fig. 7.Hydraulic cylinder (13) is three joint single-acting formulas.For guaranteeing the steady and smooth of scalable spoke slippage, between the intermediate layer of scalable spoke and internal layer, be provided with compression spring (14) and limited block (15).
Can know that from above three embodiment the present invention almost can be applicable to the construction in all non-circular section tunnels, as long as the axial ratio of non-circular section is not too big.Fig. 8 is the example of the section configuration in the non-circular section tunnel that the present invention can realize.
Claims (6)
1. cutter head structure that can cut multiple non-circular section tunnel, it is characterized in that: cutter head (can be the panel type cutterhead, also can be the spoke type cutterhead) is provided with several can be along the scalable spoke of the multilayer that moves radially of cutterhead; To stretching to such an extent that layer spoke of going out most applies a power all the time, make it withstand on the inner walls of shield structure or push-bench all the time tightly by the means of machinery or hydraulic pressure; It is cutting smaller or equal to the soil body in the circle of non-circular tunnel cross-section inscribed circle diameter yet to be built that fixed cutting tool on the cutter head is responsible for diameter, the cutter on the scalable spoke of multilayer responsible to non-circular tunnel cross-section periphery and cutter head on the cutting of the soil body between the periphery of the circle that fixed cutting tool cut; Cutter on the scalable spoke of fixed cutting tool on the cutter head and multilayer all is subjected to the driving of cutterhead and is that the centre of gyration turns round cutting to the soil body with the cutter axis.
2. cutter head structure according to claim 1, it is characterized in that: the cutter on the scalable spoke of fixed cutting tool on the described cutter head and multilayer both can be in the same cutting plane, also can be in former and later two different cutting planes, under latter instance, the cutter on the scalable spoke of multilayer is positioned at that cutting plane of fixed cutting tool back on the cutter head.
3. cutter head structure according to claim 1, it is characterized in that: on all stress surfaces in multilayer Collapsible structure spoke between each layer linear roller bearing is installed all, and in oppositely stressed each other linear roller bearing, is chosen on the stressed linear roller bearing of a certain direction clearance adjustment mechanism is set.
4. cutter head structure according to claim 1 is characterized in that: be provided with sealing device between each layer of the scalable spoke of multilayer.
5. cutter head structure according to claim 1 is characterized in that: stretching to such an extent that roller is equipped with on the top of that layer spoke of going out most.
6. cutter head structure according to claim 1 is characterized in that: the inner walls of shield structure or push-bench is having a circle wearing layer with the place's built-up welding of roller contact position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010293931 CN101949292B (en) | 2010-09-27 | 2010-09-27 | Cutter head structure provided with plurality of layers of flexible spokes and capable of cutting non-round section tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010293931 CN101949292B (en) | 2010-09-27 | 2010-09-27 | Cutter head structure provided with plurality of layers of flexible spokes and capable of cutting non-round section tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101949292A true CN101949292A (en) | 2011-01-19 |
| CN101949292B CN101949292B (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010293931 Expired - Fee Related CN101949292B (en) | 2010-09-27 | 2010-09-27 | Cutter head structure provided with plurality of layers of flexible spokes and capable of cutting non-round section tunnel |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493814A (en) * | 2011-12-05 | 2012-06-13 | 上海隧道工程股份有限公司 | Shield centre revolving joint |
| CN102628365A (en) * | 2012-04-13 | 2012-08-08 | 张永忠 | Rectangular pipe-jacking main machine |
| CN103670428A (en) * | 2013-11-29 | 2014-03-26 | 北京交通大学 | Tool configuration method for soft-soil stratum shields for directly cutting large-diameter pile foundations |
| CN104005770A (en) * | 2014-05-06 | 2014-08-27 | 中铁十五局集团有限公司 | Spoke-type shield cutter disk |
| CN104074526A (en) * | 2014-06-19 | 2014-10-01 | 中国水利水电第十一工程局有限公司 | Horseshoe pen type shield body structure and shield body structure construction technology thereof |
| CN106285708A (en) * | 2016-09-18 | 2017-01-04 | 中铁隧道集团有限公司 | A kind of rotatable spoke for cutter head of shield machine |
| CN106640109A (en) * | 2017-01-23 | 2017-05-10 | 上海盾构设计试验研究中心有限公司 | Universal type tunnel heading equipment used for deformed and circular fracture surfaces |
| CN107524450A (en) * | 2017-09-29 | 2017-12-29 | 中铁隧道局集团有限公司 | Expandable formula cutterhead and the rectangular shield machine using the cutterhead |
| CN108018882A (en) * | 2017-12-20 | 2018-05-11 | 中南大学 | A kind of shallow embedding pipe gallery engineering integrative construction device |
| CN108386203A (en) * | 2018-02-26 | 2018-08-10 | 徐工集团凯宫重工南京有限公司 | Shield machine |
| CN109098723A (en) * | 2018-10-26 | 2018-12-28 | 中铁工程装备集团有限公司 | The novel shield host of variable section |
| CN109667594A (en) * | 2018-12-25 | 2019-04-23 | 上海城建市政工程（集团）有限公司 | A kind of mechanical device and its application method of changeable cutterhead aperture opening ratio |
| CN109812275A (en) * | 2019-04-04 | 2019-05-28 | 中铁工程装备集团有限公司 | A kind of cutter head structure of rotating knife beam |
| CN111594213A (en) * | 2020-05-29 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Rectangular pipe jacking machine and cutter head thereof |
| CN112664209A (en) * | 2021-01-29 | 2021-04-16 | 中铁工程装备集团有限公司 | Vertical quasi-elliptical full-section tunnel shield machine |
| CN113446019A (en) * | 2021-07-30 | 2021-09-28 | 中铁十五局集团有限公司 | Staggered type gap-variable cutter head of slurry shield machine and slurry shield machine |
| WO2023005517A1 (en) * | 2021-07-27 | 2023-02-02 | 中交天和机械设备制造有限公司 | Shield machine main drive having sliding and self-torsion resistant functions |
| CN116696378A (en) * | 2023-08-08 | 2023-09-05 | 太原科技大学 | Rock breaking push bench and use method thereof |
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| US4316635A (en) * | 1980-05-27 | 1982-02-23 | National Mine Service Company | Extensible and retraciable rotor arm cutting assembly |
| JPH01210597A (en) * | 1988-02-19 | 1989-08-24 | Shimizu Corp | Shield excavator |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493814A (en) * | 2011-12-05 | 2012-06-13 | 上海隧道工程股份有限公司 | Shield centre revolving joint |
| CN102628365A (en) * | 2012-04-13 | 2012-08-08 | 张永忠 | Rectangular pipe-jacking main machine |
| CN103670428A (en) * | 2013-11-29 | 2014-03-26 | 北京交通大学 | Tool configuration method for soft-soil stratum shields for directly cutting large-diameter pile foundations |
| CN104005770A (en) * | 2014-05-06 | 2014-08-27 | 中铁十五局集团有限公司 | Spoke-type shield cutter disk |
| CN104005770B (en) * | 2014-05-06 | 2016-01-20 | 中铁十五局集团有限公司 | A kind of spoke type shield cutter |
| CN104074526A (en) * | 2014-06-19 | 2014-10-01 | 中国水利水电第十一工程局有限公司 | Horseshoe pen type shield body structure and shield body structure construction technology thereof |
| CN104074526B (en) * | 2014-06-19 | 2016-03-23 | 中国水利水电第十一工程局有限公司 | A kind of shape of a hoof open type shield structure body structure and shield construction technique thereof |
| CN106285708A (en) * | 2016-09-18 | 2017-01-04 | 中铁隧道集团有限公司 | A kind of rotatable spoke for cutter head of shield machine |
| CN106640109B (en) * | 2017-01-23 | 2018-08-31 | 上海盾构设计试验研究中心有限公司 | A kind of universal tunneling equipment for abnormity and circular cross section |
| CN106640109A (en) * | 2017-01-23 | 2017-05-10 | 上海盾构设计试验研究中心有限公司 | Universal type tunnel heading equipment used for deformed and circular fracture surfaces |
| CN107524450A (en) * | 2017-09-29 | 2017-12-29 | 中铁隧道局集团有限公司 | Expandable formula cutterhead and the rectangular shield machine using the cutterhead |
| CN108018882B (en) * | 2017-12-20 | 2023-09-26 | 中南大学 | Shallow comprehensive pipe rack engineering integrated construction device |
| CN108018882A (en) * | 2017-12-20 | 2018-05-11 | 中南大学 | A kind of shallow embedding pipe gallery engineering integrative construction device |
| CN108386203A (en) * | 2018-02-26 | 2018-08-10 | 徐工集团凯宫重工南京有限公司 | Shield machine |
| US10539016B2 (en) | 2018-02-26 | 2020-01-21 | Xcmg-Kaigong Heavy Industry Nanjing Co., Ltd | Tunnel boring machine |
| CN109098723A (en) * | 2018-10-26 | 2018-12-28 | 中铁工程装备集团有限公司 | The novel shield host of variable section |
| CN109667594A (en) * | 2018-12-25 | 2019-04-23 | 上海城建市政工程（集团）有限公司 | A kind of mechanical device and its application method of changeable cutterhead aperture opening ratio |
| CN109812275A (en) * | 2019-04-04 | 2019-05-28 | 中铁工程装备集团有限公司 | A kind of cutter head structure of rotating knife beam |
| CN111594213A (en) * | 2020-05-29 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Rectangular pipe jacking machine and cutter head thereof |
| CN112664209A (en) * | 2021-01-29 | 2021-04-16 | 中铁工程装备集团有限公司 | Vertical quasi-elliptical full-section tunnel shield machine |
| WO2023005517A1 (en) * | 2021-07-27 | 2023-02-02 | 中交天和机械设备制造有限公司 | Shield machine main drive having sliding and self-torsion resistant functions |
| CN113446019A (en) * | 2021-07-30 | 2021-09-28 | 中铁十五局集团有限公司 | Staggered type gap-variable cutter head of slurry shield machine and slurry shield machine |
| CN116696378A (en) * | 2023-08-08 | 2023-09-05 | 太原科技大学 | Rock breaking push bench and use method thereof |
| CN116696378B (en) * | 2023-08-08 | 2023-10-13 | 太原科技大学 | Rock breaking push bench and use method thereof |
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