CN206091995U - Two shield TBM of early -warning type - Google Patents
Two shield TBM of early -warning type Download PDFInfo
- Publication number
- CN206091995U CN206091995U CN201621106558.9U CN201621106558U CN206091995U CN 206091995 U CN206091995 U CN 206091995U CN 201621106558 U CN201621106558 U CN 201621106558U CN 206091995 U CN206091995 U CN 206091995U
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- China
- Prior art keywords
- shield
- early warning
- tbm
- type double
- warning type
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an early warning accessible time and the higher two shield TBM of early -warning type of early warning accuracy. This two shield TBM of early -warning type is including shield shell and early warning system, the shield shell is including flexible interior shield and support shield, be equipped with observation window in flexible on shield and the support shield respectively, but observation window is last to be provided with its screening glass of switching, be equipped with monitoring hole on the screening glass, early warning system includes distancer, controller and siren, the interior correspondence with every monitoring hole of shield shell is provided with a distancer, and each distancer and siren are connected with the controller electricity respectively. Respectively through the distance of its respective monitoring hole monitoring rock -wall apart from shield shell surface when the shield is with each pile no. Hole room of support shield process in flexible through the distancer to can contrast and excavated hole room rock -wall apart from the situation of change of the distance on shield shell surface, and then the stability of judging rock -wall by the controller is so that early warning in time, furthest avoids the emergence of the quick -witted accident of card.
Description
Technical field
The utility model belongs to tunneling equipment field, and in particular to a kind of early warning type double-shielded TBM.
Background technology
Excavated using rotating tool, while the machinery of whole section that is broken and tunneling tunnel is collectively referred to as tunneling boring tunnel digging
Enter machine, its English abbreviation is TBM.TBM is broadly divided into open type TBM, list shield TBM and double-shielded TBM.Wherein, double-shielded TBM
To geological conditions strong adaptability, hard rock was both adapted to, also adapted to soft rock, when corresponding measure is taken, adapted to fault disruption zone
Band, high-ground stress, rock burst, karst, High aititude, water burst, the high hydraulic pressure of rich water, coal measures gas, loose rock class pore water, clastic rock class
The unfavorable geologies such as crack pore water, Bedrock Crevice Water and freezing layer water.
Double-shielded TBM is to arrange the cylindrical shape shield structure consistent with machine diameter in whole machine periphery, is beneficial to driving
Soft broken or complex formation.Existing double-shielded TBM, including shield shell, cutterhead and main drive；The shield shell includes front
Shield, the outer shield that stretches, flexible interior shield, support shield and tail shield, the front end for stretching outer shield is connected with the rear end of anterior shield, described to stretch
The rear end of shield is connected with the front end for supporting shield in contracting, described to support the rear end of shield to be connected with the front end of tail shield, described flexible
Outer shield and flexible interior shield nest together and each other can relative telescopic slips；The main drive is arranged on anterior shield, described
Cutterhead is connected to the front end of main driving.
In actual tunneling process, TBM tunneling directions and position be from the rear supporting interior erection of afterbody laser range finder to
Heading transmitting laser measurement its relative change determines, and most at last deviation data be input into TBM integrated operating systems by
Display screen carries out projection and shows.The diameter of anterior shield and cutterhead is slightly larger, in tunneling process, the circular shape tunnel for being formed is cut by cutterhead
Diameter can smoothly not advanced when being normally carried out and changing step reach slightly larger than the shield body behind anterior shield, TBM by hole wall drag effects.Pick
When entering, only anterior shield moves forward, and supports shield and tail shield position constant, and the outer shield that stretches is relative with flexible interior shield to be stretched；When changing step, anterior shield
Position is constant, and support shield and tail shield move forward, and stretch outer shield and flexible interior shield relative constriction.
Existing double-shielded TBM when being tunneled and being changed step, by being arranged on development machine after it is supporting in laser ranging
Instrument is positioned, it is ensured that TBM advances by set direction, while avoid skew excessive allowing radius of turn more than TBM designs, is caused
Shield body is affixed with crag.If after being close to crag, frictional force can be greatly increased, then cannot promote before shield body under same thrust
Enter, can only now increase thrust；If thrust is enlarged to the equipment limit still cannot advance, equipment card machine is illustrated.Assume
Hole Hou Dong footpaths are constant, then the advance attitude of the detectable TBM of laser range finder, it is to avoid card machine.But actual conditions are complex, mainly
That hole section complex geologic conditions due to being passed through are changeable, such as expansive rock water-swellable, the stress released-deformation of High Ground Stress Areas,
The reasons such as rock mass plastic deformation, fault belt landslide can cause the change in hole footpath；If hole footpath reduces, accordingly even when TBM is pressed
Optimum line advances, it is possible to causing the card machine of non-artificial factor, and is difficult to predict；If hole footpath becomes big, rock slag has been illustrated
Drop, it is necessary to which backfill injecting treatment is carried out to crag cavity.Existing double-shielded TBM, is only capable of several on shield by supporting
The change of individual observation little window artificial observation hole river rising in Ningxia and flowing into central Shaanxi, it is time-consuming to take a lot of work and precision is not high, it is impossible to early warning promptly and accurately；In addition, work as meeting with
Meet when stating reason and causing shield body to be close to crag, it is difficult to detect the crag position distribution for being close to position with shield body so that get rid of poverty
Process without specific aim.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of can early warning in time and the higher early warning of early warning accuracy
Formula double-shielded TBM.
The utility model solves the technical scheme that its technical problem adopted：Early warning type double-shielded TBM, including shield shell,
The shield shell includes shield and support shield in flexible；The early warning type double-shielded TBM also includes early warning system；It is described it is flexible in shield and
Support and be respectively equipped with watch window on shield, being provided with the watch window can be opened and closed its screening glass, on the screening glass
It is provided with monitoring holes；The early warning system includes corresponding with each monitoring holes in rangefinder, controller and siren, the shield shell setting
A rangefinder is equipped with, each rangefinder and siren are electrically connected with the controller respectively.
It is further that the shield shell also includes anterior shield, flexible outer shield and tail shield, the front end of the outer shield that stretches and anterior shield
Rear end be connected, it is described it is flexible in the rear end of shield be connected with the front end for supporting shield, the rear end of the support shield and tail shield
Front end is connected, and the outer shield that stretches nests together with flexible interior shield and each other can relative telescopic slip.
It is further that watch window also is provided with the tail shield, being provided with the watch window can be opened and closed its guarantor
Bluff piece, the screening glass is provided with monitoring holes.
It is further that at least two are respectively equipped with the flexible interior shield, support shield and tail shield along each circumferential equal
The watch window of cloth.
It is further that the rangefinder is infrared ambulator.
It is further that the early warning system also includes display device, the display device is electrically connected with the controller.
The beneficial effects of the utility model are：By rangefinder can real-time monitoring excavate cavern's crag away from shield shell surface away from
From, and in flexible interior shield and support shield to monitor crag away from shield shell table by its respective monitoring holes respectively through each pile No. cavern
The distance in face, by contrast at same pile No. by shield in flexible and support the crag that shield is measured respectively away from shield shell surface away from
From can obtain excavating the situation of change of distance of cavern's crag away from shield shell surface, so as to judge stablizing for crag by controller
Property, if distance change is excessive more than the threshold value set in controller, controller control siren is reported to the police, and is avoided to greatest extent
The generation of card machine accident.Even if in addition, occurring in that card machine accident, emergent management operation can be carried out by watch window.Control
Device can excavate the end view drawing that distance of cavern's crag away from shield shell surface generates each pile No. cavern to monitor according to rangefinder, auxiliary
Geological personnel rapidly finds out card machine position or crag re-entrant portion, to be processed in time.
Description of the drawings
Fig. 1 is enforcement structural representation of the present utility model；
Fig. 2 is the enforcement structural representation of early warning system；
It is labeled as in figure：Shield shell 200, watch window 201, screening glass 202, monitoring holes 203, anterior shield 210, flexible outer shield
220th, shield 230, support shield 240, tail shield 250, early warning system 300, rangefinder 310, controller 320, siren in stretching
330th, display device 340.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail.
With reference to shown in Fig. 1 and Fig. 2, early warning type double-shielded TBM, including shield shell 200 and early warning system 300；The shield shell 200
Including anterior shield 210, flexible outer shield 220, flexible interior shield 230, support shield 240 and tail shield 250, before the flexible outer shield 220
End is connected with the rear end of anterior shield 210, and the rear end of the flexible interior shield 230 is connected with the front end for supporting shield 240, described to support shield
The rear end of shield 240 is connected with the front end of tail shield 250, and the flexible outer shield 220 and flexible interior shield 230 are nested together and each other may be used
Relative telescopic slides；Watch window 201, the watch window are respectively equipped with the flexible interior shield 230 and support shield 240
Being provided with 201 can be opened and closed its screening glass 202, and the screening glass 202 is provided with monitoring holes 203；The early warning system 300 is wrapped
Include in rangefinder 310, controller 320 and siren 330, the shield shell 200 and be correspondingly arranged on a survey with each monitoring holes 203
Distance meter 310, each rangefinder 310 and siren 330 are electrically connected respectively with controller 320.Wherein, rangefinder 310 can for various,
Preferably infrared ambulator.
When tunnel is tunneled, the cavern to excavating marks successively pile No.；In the process of the early warning type double-shielded TBM driving
In, when flexible interior shield 230 and support shield 240 are through each pile No. cavern, monitor rock by its respective monitoring holes 203 respectively
Distance of the wall away from the surface of shield shell 200, and measured respectively by flexible interior shield 230 and support shield 240 at same pile No. by being contrasted
Distance of the crag away from the surface of shield shell 200, can obtain excavating situation of change of cavern's crag away from the surface distance of shield shell 200, from
And the stability of crag is judged by controller 320, if the excessive threshold value more than setting in controller 320 of distance change, control
The control siren 330 of device 320 is reported to the police, and the generation of card machine accident is avoided to greatest extent.
Specifically, watch window 201 also is provided with the tail shield 250, being provided with the watch window 201 can be opened and closed it
Screening glass 202, the screening glass 202 is provided with monitoring holes 203.By the range finding corresponding with the monitoring holes 203 of tail shield 250
Instrument 310 detects the distance between each pile No. cavern crag and the surface of shield shell 200, can further improve excavation cavern's crag away from
The accuracy of the change of the surface distance of shield shell 200, early warning effect is more preferable.
Preferably, then as shown in figure 1, it is described it is flexible in shield 230, support and be respectively equipped with least on shield 240 and tail shield 250
Two along each circumferential uniform watch window 201.
Used as a kind of preferred version of the present utility model, then as shown in Fig. 2 the early warning system 300 also includes showing dress
340 are put, the display device 340 is electrically connected with controller 320.Controller 320 can be with according to the monitoring excavation of rangefinder 310 hole
Distance of the room crag away from the surface of shield shell 200 generates the end view drawing of each pile No. cavern, and auxiliary geological personnel rapidly finds out card machine position
Or crag re-entrant portion, to be processed in time.
The method for early warning of anti-early warning type double-shielded TBM card machine, using upper described early warning type double-shielded TBM driving tunnel；
The method for early warning includes ranging step and compares and alarming step；
Ranging step, to the tunnel label pile No. tunneled, by the survey corresponding with the monitoring holes 203 of flexible interior shield 230
Distance meter 310 calculates the distance between crag and the central shaft of shield shell 200 S1, by relative with the monitoring holes 203 for supporting shield 240
The rangefinder 310 answered calculates the distance between crag and the central shaft of shield shell 200 S at same pile No.2；
Compare and alarming step, the setting alarm threshold value K in controller 320, if | S1-S2| ＞ K, then controller 320 control
Siren 330 is reported to the police.
Preferably, compare and alarming step, when also including reporting to the police, S1＞ S2When the alarm signal that sends of siren 330 and S1
＜ S2When the alarm signal that sends of siren 330 it is different.By different alarm signals, geological personnel fast resolution can be easy to go out
Warning cause, so as to quick process.If S1＞ S2Card machine warning is then shown to be, needs to prevent card machine；If S1＜ S2Then it is shown to be rock
Wall cavity is reported to the police, and backfill injecting treatment is carried out to crag cavity when tunnel duct piece is arranged.
As a kind of preferred version of the method for early warning of anti-early warning type double-shielded TBM card machine, the early warning type double-shielded TBM
Driving tunnel also includes display device 340, and the display device 340 is electrically connected with controller 320；The flexible interior He of shield 230
Support and at least two are respectively equipped with shield 240 along each circumferential uniform watch window 201；
The method for early warning also includes cavern's cross-section image step；
Cavern's cross-section image step, controller 320 according to it is flexible in each monitoring holes 203 of shield 230 distinguish corresponding
Rangefinder 310 calculate the distance between crag and the central shaft of shield shell 200 S1Cross-section image A in cavern's at each pile No. is generated, and
Shown by display device 340；Meanwhile, controller 320 distinguishes corresponding survey according to each monitoring holes 203 for supporting shield 240
Distance meter 310 calculates the distance between crag and the central shaft of shield shell 200 S2Generate cross-section image B in cavern's at each pile No., and by showing
Showing device 340 shows.
Preferably, the method for early warning also includes emergent management step；
Emergent management step, if crag deformation is too fast when causing the early warning type double-shielded TBM card machine, dismantles each rangefinder
310, and each screening glass 202 is opened, emergent management operation is carried out by each watch window 201.For example, surrouding rock deformation causes to be close to
Shield body, then can inject lubricating fluid and again attempt to add high thrust to get rid of poverty by watch window 201 to crag high pressure；In case of highland should
The surrouding rock deformation that power causes, then can discharge stress and trial got rid of poverty by watch window 201 to crag pore-creating.It is many by arranging
Individual watch window 201 so that TBM simply got rid of poverty process when, without opening corresponding shield body, it is to avoid equipment it is permanent
Damage；And, the safety of operating personnel and equipment can be to greatest extent ensured when processing；In addition, comparing cutting shield body tapping
The mode of reason, the method can in time be processed in the card machine very first time, this to process card machine get rid of poverty it is critical that.
Claims (6)
1. early warning type double-shielded TBM, including shield shell (200), the shield shell (200) is including flexible interior shield (230) and supports shield
(240)；It is characterized in that：The early warning type double-shielded TBM also includes early warning system (300)；The flexible interior shield (230) and support
Watch window (201) is respectively equipped with shield (240), being provided with the watch window (201) can be opened and closed its screening glass
(202), the screening glass (202) is provided with monitoring holes (203)；The early warning system (300) includes rangefinder (310), control
A rangefinder is correspondingly arranged in device (320) and siren (330), the shield shell (200) with each monitoring holes (203)
(310), each rangefinder (310) and siren (330) are electrically connected respectively with controller (320).
2. early warning type double-shielded TBM as claimed in claim 1, it is characterised in that：The shield shell (200) also includes anterior shield
(210), stretch outer shield (220) and tail shield (250), and the front end for stretching outer shield (220) is connected with the rear end of anterior shield (210),
It is described it is flexible in the rear end of shield (230) be connected with the front end for supporting shield (240), the rear end of support shield (240) and tail
The front end of shield (250) is connected, described to stretch outer shield (220) and the interior shield (230) that stretches is nested together and each other relative telescopic
Slide.
3. early warning type double-shielded TBM as claimed in claim 2, it is characterised in that：Observation window also is provided with the tail shield (250)
Mouth (201), being provided with the watch window (201) can be opened and closed its screening glass (202), and the screening glass (202) is provided with
Monitoring holes (203).
4. early warning type double-shielded TBM as claimed in claim 3, it is characterised in that：The flexible interior shield (230), support shield
(240) at least two and on tail shield (250) are respectively equipped with along each circumferential uniform watch window (201).
5. the early warning type double-shielded TBM as described in claim 1,2,3 or 4, it is characterised in that：The rangefinder (310) is red
Outside line rangefinder.
6. the early warning type double-shielded TBM as described in claim 1,2,3 or 4, it is characterised in that：The early warning system (300) is also
Including display device (340), the display device (340) electrically connects with controller (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621106558.9U CN206091995U (en) | 2016-10-09 | 2016-10-09 | Two shield TBM of early -warning type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621106558.9U CN206091995U (en) | 2016-10-09 | 2016-10-09 | Two shield TBM of early -warning type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206091995U true CN206091995U (en) | 2017-04-12 |
Family
ID=58482934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621106558.9U Withdrawn - After Issue CN206091995U (en) | 2016-10-09 | 2016-10-09 | Two shield TBM of early -warning type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206091995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437731A (en) * | 2016-10-09 | 2017-02-22 | 中国电建集团成都勘测设计研究院有限公司 | Pre-warning dual-shield TBM |
-
2016
- 2016-10-09 CN CN201621106558.9U patent/CN206091995U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437731A (en) * | 2016-10-09 | 2017-02-22 | 中国电建集团成都勘测设计研究院有限公司 | Pre-warning dual-shield TBM |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20180615 |