CN107218050A - A kind of anti-card machine list shield TBM main machine structures and its anti-card machine method - Google Patents
A kind of anti-card machine list shield TBM main machine structures and its anti-card machine method Download PDFInfo
- Publication number
- CN107218050A CN107218050A CN201710593972.XA CN201710593972A CN107218050A CN 107218050 A CN107218050 A CN 107218050A CN 201710593972 A CN201710593972 A CN 201710593972A CN 107218050 A CN107218050 A CN 107218050A
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- China
- Prior art keywords
- shield
- brush
- slurry
- anterior
- tail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
- E21D9/0664—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end with means for applying a coating layer to the front face, e.g. by spraying
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
- E21D9/0879—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a kind of anti-card machine list shield TBM main machine structures and its anti-card machine method, to solve easy card machine technical problem during the poor strata such as list shield TBM tomographies, crushed zone in the prior art.The present invention includes cutterhead, cutterhead is connected with shield body, shield body includes anterior shield, middle shield and the tail shield being sequentially connected, stop slurry brush provided with some detachable anterior shields in anterior shield front end, the shield wall of tail shield rear end is provided with some upper ventral brushes and some lower ventral brushes, and upper ventral brush and anterior shield stop that slurry brush is corresponding, and the shield wall inside anterior shield and tail shield is provided with some thixotropic slurry interfaces, thixotropic slurry interface is connected by mud tube with Slurry Storage tank body, and mud tube is provided with slurry transportation pump.The present invention is by excavating hole wall and the clearance filled thixotropic slurry of shield body, stress field after hole wall is excavated is changed into third power stress state from secondary state of stress, so as to slow down stratum deformation speed, realize that list shield TBM also can be smoothly passed smoothly in broken formation, it is ensured that construction quality and construction safety.
Description
Technical field
The present invention relates to tunneling boring rock tunnel tunneler construction technical field, and in particular to a kind of anti-card machine list shield
TBM main machine structures and its anti-card machine method.
Background technology
Tunneling boring rock tunnel development machine abbreviation TBM, it is constructed and has that safe efficient, automaticity is high, tunnel breaks entirely
The features such as face one-shot forming, it is one of state-of-the-art equipment of the supporting tunnel construction of current big machineryization, has been widely used in
Among the engineering constructions such as railway, municipal administration, water conservancy, thus it is particularly important to the performance boost and Optimizing Reconstruction of TBM equipment, it is also excellent
The trend of good industry development.
Single shield TBM is the one of which type of hard rock tunnel development machine, main frame mainly include cutterhead, main driving, anterior shield,
Middle shield, tail shield etc..Compared with open type TBM, due to the protection of shield body and segment assembly, host region manual work security is more
It is high；And compared with double-shielded TBM, single shield TBM main frame length is relatively short, therefore card machine risk is reduced.Single shield TBM has
Unique the characteristics of and advantage, preferable equilibrium is reached in working security and the aspect of efficiency of construction two, thus Surrounding Rock Strength compared with
Under the poor geological conditions of low, integrality object is paid the utmost attention to as construction party.
But run into high-ground stress, rock crusher（IV, V class surrounding rock）, country rock degree of convergence height, fast convergence rate, rock
During the more low unfavorable geological condition of intensity, the card machine risk increase that single shield TBM faces, it is therefore desirable to from construction equipment,
A kind of anti-card machine list shield TBM main machine structures and its anti-card machine method are developed, tackles or slows down such risk.
The content of the invention
For the deficiency of above-mentioned background technology, the invention provides a kind of anti-card machine list shield TBM main machine structures and its anti-
Card machine method, to solve easy card machine during the poor strata such as list shield TBM tomographies, crushed zone in the prior art, influence construction etc.
Technical problem.
The technical scheme is that：A kind of anti-card machine list shield TBM main machine structures, including cutterhead, cutterhead and shield body phase
Connection, shield body includes anterior shield, middle shield and tail shield, and the front end of anterior shield is connected with cutterhead, the rear end of anterior shield and the front end phase of middle shield
Connection, the rear end of middle shield is connected with tail shield, and slurry brush, the shield of tail shield rear end are stopped in anterior shield front end provided with some detachable anterior shields
Wall is provided with some upper ventral brushes and some lower ventral brushes, and upper ventral brush and anterior shield stop corresponding, the shield wall inside anterior shield and tail shield of starching brush
Some thixotropic slurry interfaces are provided with, thixotropic slurry interface is connected by mud tube and slurry transportation pump with Slurry Storage tank body
Connect.
Anterior shield is uniformly provided with the excircle of the anterior shield front end shield wall and stops slurry brush, anterior shield stops slurry brush and is located at same periphery
It is interior, some upper ventral brushes are uniformly provided with the excircle of tail shield rear end shield wall, upper ventral brush is located in same periphery, and anterior shield stops slurry
Brush, upper ventral brush, shield body outer wall are collectively forming cavity with excavating hole wall.
The thixotropic slurry interface is connected with cavity.
The anterior shield, which stops slurry brush, includes brush holder and the first brush body, and brush holder includes seat head and seat tail, and the first brush body passes through frid
It is fixedly connected with seat head, seat tail is connected by bolt with anterior shield inwall.
The seat head is provided with positioning boss, and positioning boss is engaged with frid, and the front end of seat head is provided with wearing layer, seat head
Upper surface be higher than seat tail upper surface；Brush holder is engaged with the shield wall of anterior shield.
The upper ventral brush includes the second brush body and connecting plate, and the second brush body is connected by connecting plate with tail shield；Lower ventral brush
It is fixedly connected with the inwall of tail shield.
The anti-card machine method of anti-card machine list shield TBM main machine structures, comprises the following steps：
S1, the anterior shield installed on single shield TBM main machine structures stop slurry brush, upper ventral brush, lower ventral brush, make anterior shield stop starch brush, upper ventral brush,
Shield body shell constitutes a cavity with excavating hole wall；
When S2, single shield TBM are by geological environments such as weak surrounding rock, crushed zones, the thixotropic slurry prepared is passed through into mud tube
Slip casting position is transported, the thixotropic slurry interface on shield body inwall is opened, thixotropic slurry is injected into by S1 by slurry transportation pump
In cavity in；
When S3, single shield TBM drivings, thixotropic slurry is in solid state in cavity, can prevent or slow down crushed zone or weakness
Country rock is contacted with shield body；
When S4, single shield TBM carry out changing step, single shield TBM main frames are moved forward, and thixotropic slurry is disturbed in flow-like
State, so as to reduce shield body advance frictional resistance；
S5, list shield TBM are changed after the completion of step, and shield body is in relative static conditions, and thixotropic slurry recovers solid state, single shield therewith
TBM main frames start next P. drechsleri.
The present invention propose a kind of anti-card machine list shield TBM main frames for tackling the poor stratas such as weak surrounding rock, crushed zone and
Its anti-card machine method, by excavating hole wall and the clearance filled thixotropic slurry of shield body, the stress field after hole wall is excavated is by secondary
Stress field is changed into third power stress state, so as to slow down stratum deformation speed, realizes that list shield TBM also can smoothly be put down in broken formation
Surely pass through, it is ensured that construction quality and construction safety, applicabilities of the list shield TBM in Different Strata is improved, with higher popularization
Property.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the present invention.
Fig. 2 is anterior shield section structure schematic diagram of the present invention.
Fig. 3 is partial enlarged drawing at A in Fig. 1.
Fig. 4 is partial enlarged drawing at B in Fig. 1.
Embodiment
As Figure 1-4, a kind of anti-card machine list shield TBM main machine structures, including cutterhead 1, cutterhead 1 is connected with shield body,
Shield body includes anterior shield 2, middle shield 3 and tail shield 4 successively, and the front end of anterior shield 2 is connected with cutterhead 1, the rear end of anterior shield 2 and middle shield 3
Front end is connected, and the rear end of middle shield 3 is connected with tail shield 4, and the detachable anterior shield that is movably equipped with stops slurry brush on the shield wall of the front end of anterior shield 2
5, shield wall inner surface of the shield wall outer surface provided with upper ventral brush 6, the rear end of tail shield 4 of the rear end of tail shield 4 is provided with lower ventral brush 7, upper tail
Brush 6 stops slurry brush 5 with anterior shield and corresponded, and corresponding upper ventral brush stops slurry brush with anterior shield and is being located along the same line, anterior shield 2 and tail
It is uniformly provided with shield wall inside shield 4 in thixotropic slurry interface 8, thixotropic slurry interface 8 and is provided with fluid sphere valve, thixotropic slurry connects
Mouth 8 is connected by mud tube 9 with Slurry Storage tank body 10, and mud tube 9 is provided with slurry transportation pump 11, and slurry transportation pump passes through
Thixotropic slurry in Slurry Storage tank body is transported to thixotropic slurry interface by mud tube, and enters anterior shield by thixotropic slurry interface
Only slurry brush 5, upper ventral brush 6, shield body outer wall are collectively forming in the cavity of an opposing seal with excavating hole wall.
Specifically, anterior shield is uniformly provided with the excircle of the front end shield wall of anterior shield 2 in the range of 360 ° and stops slurry brush 5, anterior shield
Only slurry brush 5 is located in same periphery, and ventral brush 6, upper tail are uniformly provided with the range of 360 ° on the excircle of the rear end shield wall of tail shield 4
Brush 6 is located in same periphery, upper ventral brush 6 and anterior shield stop slurry brush 5 it is corresponding before, shield stop slurry brush 5, upper ventral brush 6, shield body outer wall and
Excavate hole wall and be collectively forming seal cavity 12, seal cavity can be used for filling thixotropic slurry.Thixotropic slurry interface 8 and seal cavity
12 are connected, and thixotropic slurry is entered in seal cavity 12 by thixotropic slurry interface.
Specifically, the anterior shield, which stops slurry brush 5, includes brush holder and the first brush body 5-1, and brush holder includes seat head 5-3 and seat tail 5-4,
First brush body 5-1 is fixedly connected by frid 5-2 with seat head 5-3, and the first brush body 5-1 is located at the outside of anterior shield, and seat tail 5-4 passes through
Bolt is connected with the inwall of anterior shield 2.Seat head 5-3 is provided with positioning boss 5-5, and positioning boss 5-5 is engaged with frid 5-2, uses
In the position of positioning groove plate, seat head 5-3 upper surface is higher than seat tail 5-4 upper surface；Brush holder is engaged with the shield wall of anterior shield 2,
Anterior shield stop slurry brush positioned at anterior shield front end, can as anterior shield a part, again can separately as anterior shield shield brush, dismounting hold
Easily, it is easy to use, while fixation, it is conveniently replaceable again, improves operating efficiency；The front end of seat head is provided with wearing layer, subtracts
The friction loss of few brush holder, improves service life.
Specifically, the upper ventral brush 6 includes the second brush body 6-1 and connecting plate 6-2, the second brush body 6-1 pass through connecting plate 6-2
Detachably it is flexibly connected with tail shield 4, the second brush body 6-1 is located at the outside of tail shield；Lower ventral brush 7 is fixedly connected with the inwall of tail shield 4.
The anti-card machine method of anti-card machine list shield TBM main machine structures, comprises the following steps：
S1, installation, the anterior shield on the single shield TBM main machine structures of regulation stop slurry brush, upper ventral brush, lower ventral brush, it is ensured that anterior shield stop slurry brush,
Lower ventral brush is contacted well with excavating hole wall, anterior shield is stopped slurry brush, upper ventral brush, shield body shell and excavation hole wall composition one relatively close
The cavity of envelope；
When S2, single shield TBM are by geological environments such as weak surrounding rock, crushed zones, the thixotroping that will be prepared in Slurry Storage tank body
Mud transports slip casting position by mud tube, opens the thixotropic slurry interface on shield body inwall, will be touched by slurry transportation pump
Become mud to be injected into the seal cavity in S1, the stress field after excavation is changed into third power stress state by thixotropic slurry, can be effective
Slow down stratum deformation speed；
When S3, single shield TBM drivings, thixotropic slurry is in solid state in cavity, can prevent or slow down crushed zone or weakness
Country rock is contacted with shield body；
When S4, single shield TBM carry out changing step, single shield TBM main frames are moved forward, and thixotropic slurry is disturbed in flow-like
State, so as to reduce shield body advance frictional resistance；
S5, list shield TBM are changed after the completion of step, and shield body is in relative static conditions, and thixotropic slurry recovers solid state, single shield therewith
TBM main frames start next P. drechsleri, as desired by thixotropic slurry interface toward supplementing thixotropic slurry in cavity.
This method is by excavating hole wall and the clearance filled thixotropic slurry of shield body, and the stress field after hole wall is excavated is by secondary
Stress field is changed into third power stress state, so as to slow down stratum deformation speed, realizes that list shield TBM also can smoothly be put down in broken formation
Surely pass through, it is ensured that construction quality and construction safety.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.
Claims (7)
1. a kind of anti-card machine list shield TBM main machine structures, it is characterised in that：Including cutterhead（1）, cutterhead（1）It is connected with shield body,
Shield body includes anterior shield（2）, middle shield（3）With tail shield（4）, anterior shield（2）Front end and cutterhead（1）It is connected, anterior shield（2）Rear end with
Middle shield（3）Front end be connected, middle shield（3）Rear end and tail shield（4）It is connected, anterior shield（2）Front end is provided with some detachable
Anterior shield stop slurry brush（5）, tail shield（4）The shield wall of rear end is provided with some upper ventral brushes（6）With some lower ventral brushes（7）, upper ventral brush（6）
Stop slurry brush with anterior shield（5）It is corresponding, anterior shield（2）With tail shield（4）Internal shield wall is provided with some thixotropic slurry interfaces（8）, touch
Become mud interface（8）Pass through mud tube（9）With slurry transportation pump（11）With Slurry Storage tank body（10）It is connected.
2. anti-card machine list shield TBM main machine structures according to claim 1, it is characterised in that：The anterior shield（2）Front end shield
Anterior shield is uniformly provided with the excircle of wall and stops slurry brush（5）, anterior shield, which stops, starches brush（5）In same periphery, tail shield（4）Rear end shield
Some upper ventral brushes are uniformly provided with the excircle of wall（6）, upper ventral brush（6）In same periphery, anterior shield stops slurry brush（5）, on
Ventral brush（6）, shield body outer wall with excavate hole wall be collectively forming cavity（12）.
3. anti-card machine list shield TBM main machine structures according to claim 2, it is characterised in that：The thixotropic slurry interface
（8）With cavity（12）It is connected.
4. anti-card machine list shield TBM main machine structures according to claim 1, it is characterised in that：The anterior shield stops slurry brush（5）
Including brush holder and the first brush body（5-1）, brush holder include seat head（5-3）With seat tail（5-4）, the first brush body（5-1）Pass through frid（5-
2）With seat head（5-3）It is fixedly connected, seat tail（5-4）Pass through bolt and anterior shield（2）Inwall is connected.
5. anti-card machine list shield TBM main machine structures according to claim 4, it is characterised in that：The seat head（5-3）On set
There is positioning boss（5-5）, positioning boss（5-5）With frid（5-2）It is engaged, seat head（5-3）Front end be provided with wearing layer, seat head
（5-3）Upper surface be higher than seat tail（5-4）Upper surface；Brush holder and anterior shield（2）Shield wall be engaged.
6. anti-card machine list shield TBM main machine structures according to claim 1, it is characterised in that：The upper ventral brush（6）Including
Second brush body（6-1）And connecting plate（6-2）, the second brush body（6-1）Pass through connecting plate（6-2）With tail shield（4）It is connected；Lower ventral brush
（7）With tail shield（4）Inwall be fixedly connected.
7. the anti-card machine method of anti-card machine list shield TBM main machine structures according to claim 1, it is characterised in that including
Following steps：
S1, the anterior shield installed on single shield TBM main machine structures stop slurry brush, upper ventral brush, lower ventral brush, make anterior shield stop starch brush, upper ventral brush,
Shield body shell constitutes a cavity with excavating hole wall；
When S2, single shield TBM are by geological environments such as weak surrounding rock, crushed zones, the thixotropic slurry prepared is passed through into mud tube
Slip casting position is transported, the thixotropic slurry interface on shield body inwall is opened, thixotropic slurry is injected into by S1 by slurry transportation pump
In cavity in；
When S3, single shield TBM drivings, thixotropic slurry is in solid state in cavity, can prevent or slow down crushed zone or weakness
Country rock is contacted with shield body；
When S4, single shield TBM carry out changing step, single shield TBM main frames are moved forward, and thixotropic slurry is disturbed in flow-like
State, so as to reduce shield body advance frictional resistance；
S5, list shield TBM are changed after the completion of step, and shield body is in relative static conditions, and thixotropic slurry recovers solid state, single shield therewith
TBM main frames start next P. drechsleri.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593972.XA CN107218050B (en) | 2017-07-20 | 2017-07-20 | Single shield TBM host structure of anti-jamming machine and anti-jamming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593972.XA CN107218050B (en) | 2017-07-20 | 2017-07-20 | Single shield TBM host structure of anti-jamming machine and anti-jamming method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107218050A true CN107218050A (en) | 2017-09-29 |
| CN107218050B CN107218050B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710593972.XA Active CN107218050B (en) | 2017-07-20 | 2017-07-20 | Single shield TBM host structure of anti-jamming machine and anti-jamming method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893664A (en) * | 2017-11-10 | 2018-04-10 | 中铁工程装备集团有限公司 | A kind of double-shielded TBM shield body card machine Forecasting Methodology and system |
| CN108286440A (en) * | 2018-03-27 | 2018-07-17 | 中铁工程装备集团有限公司 | A kind of anti-sticking list shield TBM of NEW TYPE OF COMPOSITE and its construction method |
| CN108286436A (en) * | 2018-03-27 | 2018-07-17 | 中铁工程装备集团有限公司 | A kind of anti-sticking double-shielded TBM of NEW TYPE OF COMPOSITE and its construction method |
| CN109441464A (en) * | 2018-12-29 | 2019-03-08 | 中铁工程装备集团有限公司 | A kind of double supporting development machines of shield formula and its application method |
| CN111894614A (en) * | 2020-08-06 | 2020-11-06 | 中国铁建重工集团股份有限公司 | Development machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107893664A (en) * | 2017-11-10 | 2018-04-10 | 中铁工程装备集团有限公司 | A kind of double-shielded TBM shield body card machine Forecasting Methodology and system |
| CN108286440A (en) * | 2018-03-27 | 2018-07-17 | 中铁工程装备集团有限公司 | A kind of anti-sticking list shield TBM of NEW TYPE OF COMPOSITE and its construction method |
| CN108286436A (en) * | 2018-03-27 | 2018-07-17 | 中铁工程装备集团有限公司 | A kind of anti-sticking double-shielded TBM of NEW TYPE OF COMPOSITE and its construction method |
| CN109441464A (en) * | 2018-12-29 | 2019-03-08 | 中铁工程装备集团有限公司 | A kind of double supporting development machines of shield formula and its application method |
| CN109441464B (en) * | 2018-12-29 | 2024-01-26 | 中铁工程装备集团有限公司 | Shield type double-support heading machine and application method thereof |
| CN111894614A (en) * | 2020-08-06 | 2020-11-06 | 中国铁建重工集团股份有限公司 | Development machine |
| CN111894614B (en) * | 2020-08-06 | 2022-07-08 | 中国铁建重工集团股份有限公司 | Development machine |
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| Publication number | Publication date |
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| CN107218050B (en) | 2023-04-18 |
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