CN202467847U - Center shaft type pre-grooving device - Google Patents
Center shaft type pre-grooving device Download PDFInfo
- Publication number
- CN202467847U CN202467847U CN2012200987556U CN201220098755U CN202467847U CN 202467847 U CN202467847 U CN 202467847U CN 2012200987556 U CN2012200987556 U CN 2012200987556U CN 201220098755 U CN201220098755 U CN 201220098755U CN 202467847 U CN202467847 U CN 202467847U
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- China
- Prior art keywords
- sleeve
- column
- center shaft
- stand column
- cutter beam
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- Withdrawn - After Issue
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Abstract
The utility model discloses a center shaft type pre-grooving device. The center shaft type pre-grooving device comprises a travelling mechanism, a center shaft device, frame supports, a front stand column, a back front stand column, a cutting device, a grouting system, an electric system and a hydraulic system. The center shaft device comprises a sleeve and a rotating shaft placed in the sleeve, and the sleeve is fixed on the travelling mechanism. The frame supports are respectively arranged in the front of the sleeve and at the back of the sleeve. The front stand column and the back stand column are respectively placed at the front end and the back end of the rotating shaft, and are connected with a support seat in a hinge mode. The cutting device comprises a chain blade component and a knife beam, and a second telescopic mechanism is positioned between the chain blade component and the knife beam. The grouting system is connected with the chain blade, and the knife beam is in sliding fit with the support seat. A third telescopic mechanism is positioned between the knife beam and the support seat. Each frame support comprises a stand column and a base plate placed below the stand column. A forth telescopic mechanism is disposed between the stand column and the base plate. The center shaft type pre-grooving device has the advantages of being capable of reducing ground subsidence efficiently and realizing exact excavation, simple in construction technology, 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 in the last few years tunnel construction project, particularly subway tunnel is launching in each metropolis like the mushrooms after rain especially.Yet along with the excavation in tunnel, the residing geologic condition in tunnel but becomes increasingly complex, in not fixed and soft rock strata constructing tunnel; Safety when traditional Mine Method construction is difficult to guarantee tunnel excavation, and in the city underground engineering construction very strict to face of land settlement request, if adopt the construction of shield structure (TBM) method; Then the cost of its construction is big; The ancillary facility that needs requires also very high, when short-and-medium constructing tunnel, just can not show its economy; So we press for the deficiency that a kind of new construction equipment and job practices remedy this respect.
Summary of the invention
The objective of the invention is provides a kind of center shaft type precutting trough equipment for the deficiency that overcomes 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 following:
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; Said central axis device comprises sleeve and the rotating shaft that is located in the sleeve; The central axis device is fixed on the said walking mechanism through sleeve, and the rotating shaft in the central axis device is done gyration by the motor driving that is located on the frame support, and said electrical system and hydraulic system are located on the sleeve; Said frame support is two front and back that are located at sleeve respectively; Said forward and backward column is first telescoping mechanism, is located at the rotating shaft front and back end respectively, and the upper end of forward and backward column is hinged with the bearing of band draw-in groove; Said topping machanism comprises chain knife assembly and cutter beam; The chain knife assembly is connected on the cutter beam through tool rest and is slidingly matched with the cutter beam; Be provided with second telescoping mechanism between chain knife assembly and the cutter beam; Said filling system is connected on the chain knife assembly, and cutter beam and bearing are slidingly matched, and between cutter beam and bearing, is provided with the 3rd telescoping mechanism; Said frame support comprises column and is located at the base plate under the column, between column and base plate, is provided with the 4th telescoping mechanism.
Said forward and backward column comprises fixed riser and the adjustable pipe that is enclosed within the stationary pipes, between stationary pipes and adjustable pipe, is provided with oil cylinder, and said bearing is hinged on the movable riser.
The present invention is used for the circular arc precutting trough and becomes arch to pay in advance to protect operation, can effectively reduce ground settlement, realize accurately excavation, and construction technology is simple in constructing tunnel, work progress is safe and reliable, has extensive applicability.
Further specify technical scheme of the present invention below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the column sketch map among the present invention.
Fig. 3 is the sketch map that the chain cutter is looked on Fig. 1 left side.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the cutter beam sketch map among the present invention.
Fig. 6 is the frame sketch map among the present invention.
Fig. 7 is the central axis device sketch map among the present invention.
The specific embodiment
Referring to Fig. 1-Fig. 7, center provided by the invention shaft type precutting trough equipment, 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 said walking mechanism 11 through sleeve 1301; Rotating shaft 1302 in the central axis device 13 is by the motor 1303 meshing motion through 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 is located on the sleeve 1301 with hydraulic system 12, 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 first telescoping mechanism mutually; Be located at rotating shaft 1302 front and back ends respectively; 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, between stationary pipes 701 inherent stationary pipes 701 and adjustable pipe 702, be provided with oil cylinder 703, bearing 6 is hinged on the movable riser of forward and backward column 7,8; Topping machanism comprises chain knife assembly 1 and cutter beam 5; Chain knife assembly 1 is positioned at cutter beam 5 tops, and chain knife assembly 1 (referring to Fig. 3 and Fig. 4) comprises the endless chain cutter 102 that knife rest 101 is upper and lower with being located at knife rest 101; Knife rest 101 is connected on the cutter beam 5 through tool rest 3 and is slidingly matched with cutter beam 5; Between 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 leans on oil cylinder 4 to accomplish, and filling system 2 is connected on the side of knife rest 101 through 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, between cutter beam 5 and bearing 6, is provided with the 3rd telescoping mechanism oil cylinder 15 (referring to Fig. 5), slip before and after cutter beam 5 can be done on forward and backward pillar 7,8 through the promotion of oil cylinder 15; Frame support comprises column 901 and is located at the base plate 903 under the column 901; Between column 901 and base plate 903, be provided with the 4th telescoping mechanism oil cylinder 902 (referring to Fig. 6), frame support 9 promotes base plate 903 through oil cylinder 902 and does the flexible up and down support to entire equipment that is used for.
In not consolidating stratum and soft rock strata constructing tunnel, at first equipment is left in the tunnel, utilize running gear 11 centerings; After the completion, through oil cylinder 4 chain knife assembly 1 is stretched out and control before and after the last lower angle of flexible up and down adjustment cutter beam 5 of pillar 7,8, can accomplish tool setting rapidly; Then utilize central axis device 13 and chain knife assembly 1 beginning in the topping machanism to carry out the circular arc grooving, in grooving, utilize synchronous grouting system 2 to carry out synchronous grouting, after concrete slurry fills up the cannelure that cutting forms along face; Utilize the force chain knife assembly 1 of concrete slurry to continue ring cutting; Grooving is accomplished the while concrete slurry and is also filled completion, after a pitch circle arc is accomplished, regains chain knife assembly 1; Adjustment complete machine position is accomplished an operation cycle thus.Owing to adopted the collaborative adjustment of running gear 11 and front and back pillar 7,8 and cutter beam 5, can accurately confirm, so can realize accurate excavation to cutter position.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 stress destruction to cap rock layer, can effectively reduce ground settlement.Carry out circular arc with this equipment and cut into arch and pay in advance and protect constructing tunnel, technology is simple, and work progress is safe and reliable, has extensive 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; Said central axis device comprises sleeve and the rotating shaft that is located in the sleeve; The central axis device is fixed on the said walking mechanism through sleeve, and the rotating shaft in the central axis device is done gyration by the motor driving that is located on the frame support, and said electrical system and hydraulic system are located on the sleeve; Said frame support is two front and back that are located at sleeve respectively; Said forward and backward column is first telescoping mechanism, is located at the rotating shaft front and back end respectively, and the upper end of forward and backward column is hinged with the bearing of band draw-in groove; Said topping machanism comprises chain knife assembly and cutter beam; The chain knife assembly is connected on the cutter beam through tool rest and is slidingly matched with the cutter beam; Be provided with second telescoping mechanism between chain knife assembly and the cutter beam; Said filling system is connected on the chain knife assembly, and cutter beam and bearing are slidingly matched, and between cutter beam and bearing, is provided with the 3rd telescoping mechanism; Said frame support comprises column and is located at the base plate under the column, between column and base plate, is provided with the 4th telescoping mechanism.
2. the center shaft type precutting trough equipment that is used for constructing tunnel according to claim 1; It is characterized in that said forward and backward column comprises fixed riser and the adjustable pipe that is enclosed within the stationary pipes; Between stationary pipes and adjustable pipe, be provided with oil cylinder, said bearing is hinged on the movable riser.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200987556U CN202467847U (en) | 2012-03-15 | 2012-03-15 | Center shaft type pre-grooving device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200987556U CN202467847U (en) | 2012-03-15 | 2012-03-15 | Center shaft type pre-grooving device |
Publications (1)
Publication Number | Publication Date |
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CN202467847U true CN202467847U (en) | 2012-10-03 |
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ID=46916012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012200987556U Withdrawn - After Issue CN202467847U (en) | 2012-03-15 | 2012-03-15 | Center shaft type pre-grooving device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102587923A (en) * | 2012-03-15 | 2012-07-18 | 中国铁建重工集团有限公司 | Center shaft type precutting trough equipment |
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 |
CN104153787A (en) * | 2014-07-29 | 2014-11-19 | 中国铁建重工集团有限公司 | Chain type cutter assembly structure |
CN106050246A (en) * | 2016-07-11 | 2016-10-26 | 中国铁建重工集团有限公司 | Arching method by arch frame type trough precutting equipment |
-
2012
- 2012-03-15 CN CN2012200987556U patent/CN202467847U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102587923A (en) * | 2012-03-15 | 2012-07-18 | 中国铁建重工集团有限公司 | Center shaft type precutting trough equipment |
CN104153787A (en) * | 2014-07-29 | 2014-11-19 | 中国铁建重工集团有限公司 | Chain type cutter assembly structure |
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 |
CN106050246A (en) * | 2016-07-11 | 2016-10-26 | 中国铁建重工集团有限公司 | Arching method by arch frame type trough precutting equipment |
CN106050246B (en) * | 2016-07-11 | 2018-10-02 | 中国铁建重工集团有限公司 | The arching method of arched type precutting trough equipment |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20130410 |
|
RGAV | Abandon patent right to avoid regrant |