CN102587923B - Center shaft type precutting trough equipment - Google Patents
Center shaft type precutting trough equipment Download PDFInfo
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- CN102587923B CN102587923B CN 201210069001 CN201210069001A CN102587923B CN 102587923 B CN102587923 B CN 102587923B CN 201210069001 CN201210069001 CN 201210069001 CN 201210069001 A CN201210069001 A CN 201210069001A CN 102587923 B CN102587923 B CN 102587923B
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- column
- cutter beam
- center shaft
- telescoping mechanism
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Abstract
The invention discloses center shaft type precutting trough equipment, which comprises a traveling mechanism, a center shaft device, a framework brace, front and rear upright columns, a cutting device, a grouting system, an electrical system and a hydraulic system. The center shaft device comprises a sleeve and a rotating shaft arranged in the sleeve, the sleeve is fixed on the traveling mechanism, the frame brace is disposed at the front and the rear of the sleeve, and the front and rear upright columns are respectively disposed at the front end and the rear end of the rotating shaft and hinged with a support; the cutting device comprises a chain knife component and a knife beam, a second telescoping mechanism is disposed between the chain knife component and the knife beam, the grouting system is connected onto a chain knife, the knife beam is in slide fit with the support, and a third telescoping mechanism is disposed between the knife beam and the support; and the frame brace comprises upright columns and a bottom plate arranged under the upright columns, and a fourth telescoping mechanism is disposed between the upright columns and the bottom plate. The center shaft type precutting trough equipment can effectively relieve surface subsidence, realizes accurate excavation, is simple in construction process, and is safe and reliable.
Description
Technical field
The invention belongs to constructing tunnel equipment, be specifically related to a kind of center shaft type precutting trough equipment.
Background technology
The work items of domestic tunnel construction project, particularly subway tunnel in each metropolis, launching like the mushrooms after rain especially in the last few years.Yet the excavation along with the tunnel, the residing geologic condition in tunnel but becomes increasingly complex, in not fixed and soft rock strata constructing tunnel, safety when traditional mining method construction is difficult to guarantee tunnel excavation, and in the city underground engineering construction very strict to the earth's surface settlement request, if adopt the construction of shield structure (TBM) method, then the cost of its construction is large, the ancillary facility that needs requires also very high, when short-and-medium constructing tunnel, just can not show its economy; So deficiency that we remedy this respect in the urgent need to a kind of new construction equipment and job practices.
Summary of the invention
The objective of the invention is provides a kind of center shaft type precutting trough equipment in order to overcome the deficiencies in the prior art, can be used for not fixed and the soft rock strata constructing tunnel, can reduce ground settlement, realizes accurately excavation.
The technical scheme that realizes the object of the invention employing is as follows:
Center shaft type precutting trough equipment, it comprises walking mechanism, central axis device, frame support, forward and backward column, topping machanism, filling system, electrical system and hydraulic system; Described central axis device comprises sleeve and is located at the interior rotating shaft of sleeve, the central axis device is fixed on the described walking mechanism by sleeve, rotating shaft in the central axis device is done gyration by the motor driving that is located on the frame support, described electrical system and hydraulic system are located on the sleeve, described frame support is two front and back that are located at respectively sleeve, described forward and backward column is the first telescoping mechanism, is located at respectively the rotating shaft front and back end, and the upper end of forward and backward column is hinged with the bearing with draw-in groove; Described topping machanism comprises chain knife assembly and cutter beam, the chain knife assembly is connected on the cutter beam by tool rest and is slidingly matched with the cutter beam, be provided with the second telescoping mechanism between chain knife assembly and the cutter beam, described filling system is connected on the chain knife assembly, the cutter beam cooperates with bearing sliding, is provided with the 3rd telescoping mechanism between cutter beam and bearing; Described frame support comprises column and the base plate that is located under the column, is provided with the 4th telescoping mechanism between column and base plate.
Described forward and backward column comprises fixed riser and is enclosed within the interior adjustable pipe of stationary pipes that be provided with oil cylinder between stationary pipes and adjustable pipe, described bearing is hinged on the movable riser.
The present invention is used for the pre-supporting operation of circular arc precutting trough arching in constructing tunnel, can effectively reduce ground settlement, realize accurately excavation, and construction technology is simple, and work progress is safe and reliable, has widely applicability.
Further specify technical scheme of the present invention below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the column schematic diagram among the present invention.
Fig. 3 is the schematic diagram that the chain cutter is looked on Fig. 1 left side.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the cutter beam schematic diagram among the present invention.
Fig. 6 is the frame schematic diagram among the present invention.
Fig. 7 is the central axis device schematic diagram among the present invention.
The specific embodiment
Referring to Fig. 1-Fig. 7, center shaft type precutting trough equipment provided by the invention, it comprises crawler type walking mechanism 11, central axis device 13, frame support 9, forward and backward column 7,8, topping machanism, filling system 2, electrical system 10 and hydraulic system 12; Central axis device 13 (referring to Fig. 7) comprises sleeve 1301 and the rotating shaft 1302 that is located in the sleeve 1301, central axis device 13 is fixed on the described walking mechanism 11 by sleeve 1301, rotating shaft 1302 in the central axis device 13 is by the motor 1303 meshing motion by pinion 1304 and gear wheel 1305 that is located on the frame support 9, driven by gear wheel 1305 and does gyration; Electrical system 10 and hydraulic system 12 are located on the sleeve 1301, and frame support 9 is two front and back that are separately fixed at sleeve 1301; Forward and backward column 7,8 structures are all the first telescoping mechanism mutually, be located at respectively rotating shaft 1302 front and back ends, front column 7 (referring to Fig. 2) wherein, comprise fixed riser 701 and the adjustable pipe 702 that is enclosed within the stationary pipes 701, be provided with oil cylinder 703 between stationary pipes 701 inherent stationary pipes 701 and adjustable pipe 702, bearing 6 is hinged on forward and backward column 7,8 the movable riser; Topping machanism comprises chain knife assembly 1 and cutter beam 5, chain knife assembly 1 is positioned at cutter beam 5 tops, chain knife assembly 1 (referring to Fig. 3 and Fig. 4), comprise knife rest 101 and be located on the knife rest 101, under endless chain cutter 102, knife rest 101 is connected on the cutter beam 5 by tool rest 3 and is slidingly matched with cutter beam 5, between the tool rest 3 that connects knife rest 101 and cutter beam 5, be provided with the second telescoping mechanism oil cylinder 4, the motion of chain knife assembly 1 on cutter beam 5 finished by oil cylinder 4, filling system 2 is connected on the side of knife rest 101 by guide peg 14, can realize the front and back slip of filling system 2, filling system 2 is provided with Grouting Pipe 201; Cutter beam 5 is stuck in the draw-in groove of bearing 6 and is slidingly matched with bearing 6, is provided with the 3rd telescoping mechanism oil cylinder 15 (referring to Fig. 5) between cutter beam 5 and bearing 6, and the promotion of cutter beam 5 by oil cylinder 15 can slip before and after forward and backward pillar 7,8 be done; Frame support comprises column 901 and the base plate 903 that is located under the column 901, be provided with the 4th telescoping mechanism oil cylinder 902 (referring to Fig. 6) between column 901 and base plate 903, frame support 9 promotes base plate 903 by oil cylinder 902 and does the up and down flexible support that is used for whole equipment.
In not consolidating stratum and soft rock strata constructing tunnel, at first equipment is left in the tunnel, utilize running gear 11 centerings, after finishing, by oil cylinder 4 chain knife assembly 1 is stretched out and control before and after pillar 7,8 the up and down flexible upper lower angle of adjusting cutter beam 5, can finish rapidly tool setting, then utilize chain knife assembly 1 beginning in central axis device 13 and the topping machanism to carry out the circular arc grooving along face, in grooving, utilize synchronous grouting system 2 to carry out synchronous grouting, fill up the cannelure of cutting formation when concrete slurry after, utilize the pressure of concrete slurry to promote chain knife assembly 1 continuation ring cutting, grooving is finished simultaneously concrete slurry and is also filled and finish, and after a pitch circle arc is finished, regains chain knife assembly 1, adjust the complete machine position, finish thus a working cycles.Owing to adopted running gear 11 and front and back pillar 7,8 and the collaborative adjustment of cutter beam 5, can accurately determine cutter position, so can realize accurate excavation.Owing to adopt concrete slurry and the synchronous principle,displacement that excavates earth, fill up with concrete slurry at once behind the removing excavation earth, avoided the stress destruction to cap rock layer, can effectively reduce ground settlement.Carry out circular arc cutting arching pre-support constructing tunnel with this equipment, technique is simple, and work progress is safe and reliable, has widely applicability.
Claims (2)
1. a center shaft type precutting trough equipment is characterized in that comprising walking mechanism, central axis device, frame support, forward and backward column, topping machanism, filling system, electrical system and hydraulic system; Described central axis device comprises sleeve and is located at the interior rotating shaft of sleeve, the central axis device is fixed on the described walking mechanism by sleeve, rotating shaft in the central axis device is done gyration by the motor driving that is located on the frame support, described electrical system and hydraulic system are located on the sleeve, described frame support is two, is located at respectively the front and back of sleeve, and described forward and backward column is the first telescoping mechanism, be located at respectively the rotating shaft front and back end, the upper end of forward and backward column is hinged with the bearing with draw-in groove; Described topping machanism comprises chain knife assembly and cutter beam, the chain knife assembly is connected on the cutter beam by tool rest and is slidingly matched with the cutter beam, be provided with the second telescoping mechanism between chain knife assembly and the cutter beam, described filling system is connected on the chain knife assembly, the cutter beam cooperates with bearing sliding, is provided with the 3rd telescoping mechanism between cutter beam and bearing; Described frame support comprises column and the base plate that is located under the column, is provided with the 4th telescoping mechanism between column and base plate.
2. center shaft type precutting trough equipment according to claim 1 is characterized in that described forward and backward column comprises stationary pipes and is enclosed within the interior adjustable pipe of stationary pipes, and be provided with oil cylinder between stationary pipes and adjustable pipe, described bearing is hinged on the adjustable pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210069001 CN102587923B (en) | 2012-03-15 | 2012-03-15 | Center shaft type precutting trough equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210069001 CN102587923B (en) | 2012-03-15 | 2012-03-15 | Center shaft type precutting trough equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102587923A CN102587923A (en) | 2012-07-18 |
| CN102587923B true CN102587923B (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210069001 Active CN102587923B (en) | 2012-03-15 | 2012-03-15 | Center shaft type precutting trough equipment |
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| CN (1) | CN102587923B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104265B (en) * | 2013-02-05 | 2015-02-04 | 北京首尔工程技术有限公司 | Advanced lining method and lining equipment used in construction of weak surrounding rock tunnel |
| CN104121024A (en) * | 2014-08-07 | 2014-10-29 | 中国铁建重工集团有限公司 | Stand column adjusting mechanism for groove pre-cutting machine and groove pre-cutting machine |
| CN104179453B (en) * | 2014-08-25 | 2016-06-15 | 宗超 | Profile hole drilling and digging machine |
| CN105626084A (en) * | 2016-02-26 | 2016-06-01 | 中铁隧道集团有限公司 | Method for cutting large-section loess tunnel to form advance pre-supporting stable layer |
| CN105673023A (en) * | 2016-03-31 | 2016-06-15 | 中国铁建重工集团有限公司 | Telescopic mechanism for precutting trough jet device and precutting trough jet device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658034B2 (en) * | 1988-12-21 | 1994-08-03 | 社団法人日本建設機械化協会 | Arch type cutter for tunnel excavation with double chain cutter |
| FR2693230B1 (en) * | 1992-07-01 | 1994-09-16 | Perforex | Cutting blade, in particular for the execution of a curved groove in a face. |
| FR2711180B1 (en) * | 1993-10-15 | 1996-01-05 | Bouygues Sa | Cutting tool, especially for tapping into a working face. |
| JP3821450B2 (en) * | 1997-01-23 | 2006-09-13 | 株式会社間組 | Tunneling equipment |
| CN202467847U (en) * | 2012-03-15 | 2012-10-03 | 中国铁建重工集团有限公司 | Center shaft type pre-grooving device |
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2012
- 2012-03-15 CN CN 201210069001 patent/CN102587923B/en active Active
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| Publication number | Publication date |
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| CN102587923A (en) | 2012-07-18 |
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Address after: 410100 No. 88 Dongqi Road, Changsha Economic and Technological Development Zone, Changsha City, 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. |