CN202563099U - Device carrying out advance geology forecasting through vibration signals during construction of tunnel boring machine (TBM) method - Google Patents
Device carrying out advance geology forecasting through vibration signals during construction of tunnel boring machine (TBM) method Download PDFInfo
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- CN202563099U CN202563099U CN2012202019935U CN201220201993U CN202563099U CN 202563099 U CN202563099 U CN 202563099U CN 2012202019935 U CN2012202019935 U CN 2012202019935U CN 201220201993 U CN201220201993 U CN 201220201993U CN 202563099 U CN202563099 U CN 202563099U
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- wave detector
- telescopic chute
- tbm
- radiodetector
- vibration exciter
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Abstract
The utility model discloses a device carrying out advance geology forecasting through vibration signals during construction of a tunnel boring machine. The device comprises a tunnel boring machine (TBM) cutter plate. A plurality of sets of hobbing cutter blades are disposed on the TBM cutter plate along the radial direction. An extension tank of an impulse device and an extension tank of a radiodetector are disposed at intervals along one side of one set of hobbing cutter blades, the impulse device is correspondingly disposed in the extension tank of the impulse device, and the radiodetector is correspondingly disposed in the extension tank of the radiodetector. The radiodetector is connected with a data processing terminal through a signal transmission line. When the device is used, the extension tank with the impulse device therein is extended out to be closely connected with a rock mass in the front and then serves as a hypocenter; one end of the extension tank with the radiodetector therein is coated with butter, and the extension tank with the radiodetector therein is extended out to be closely connected with a rock mass in the front and is used for receiving reflected waves. The device has the advantages of being simple in structure, high in detecting accuracy, convenient in measurement and high in measuring coupling accuracy, having an anti-interference function, being capable of extending, and the like.
Description
Technical field
The utility model relates to a kind of blipology, utilizes the device of vibration signal advance geologic prediction in specifically a kind of TBM method construction.
Background technology
A large amount of Tunnel Engineering are arranged in China's water conservancy and hydropower, the field of traffic; The Tunnel Engineering geologic hazard is the key factor of restriction constructing tunnel; Because the tunnel front geological condition is not clear, unforeseen geologic hazard often appears often, like gushing water, prominent mud, cave in, rock burst and harmful gas etc.In a single day disaster takes place, and the facility that gently then destroy by rush of water flood the tunnel, and normal construction is compelled to interrupt; Heavy then cause great casualties, produce enormous economic loss, even some underground works can therefore compelledly be suspended or relocate.TBM (Tunnel Boring Machine) rock tunnel(ling) machine is to utilize rotating tool excavation, and country rock and driving in the broken hole simultaneously form a kind of novel, the advanced tunnel construction machinery of whole tunnel cross-section; With respect to method commonly used at present, TBM integrates brill, driving, supporting, uses new and high technologies such as electronics, information, remote measurement, remote control that whole operations are guided and monitored, and makes tunneling process be in optimum condition all the time.In the world, be widely used in the engineerings such as water conservancy and hydropower, mining, traffic, municipal administration, national defence at present.At present, the engineering of domestic use TBM is more and more, but when using the TBM driving, can't in time predict for the geological condition of front of tunnel heading, exists great potential safety hazard.
The utility model content
The purpose of the utility model is for overcoming the deficiency of above-mentioned prior art, a kind of emission is provided and receive that signal is good, detection accuracy is high, anti-interference, convenient measurement, scalable, measure the device that utilizes the vibration signal advance geologic prediction in the high TBM method construction of coupling precision.
For realizing above-mentioned purpose, the utility model adopts following technical proposals:
Utilize the device of vibration signal advance geologic prediction in a kind of TBM method construction; Comprise the TBM cutterhead; Radially be provided with some groups of roll blades on the said TBM cutterhead; Be interval with vibration exciter telescopic chute and wave detector telescopic chute along a side of one group of roll blade wherein, in vibration exciter telescopic chute and the wave detector telescopic chute respectively correspondence be provided with vibration exciter and wave detector; Wave detector links to each other with data processing terminal through signal transmssion line.
Said vibration exciter telescopic chute has five at least.
Said wave detector telescopic chute has six at least.
Said vibration exciter is the paddle type mill vibroseis generator, and it is connected to form by shake bar and epicenter excitation head, vibration signal is transferred to vibrations excites head through impacting the shake bar, is excited by vibrations vibration signal to be propagated in the rock mass of the place ahead again.
Said wave detector front end is provided with wave detector butter soil layer; The rear end is provided with signal transmssion line; Wave detector when wave detector receives reflection wave, is transferred to data processing terminal through signal transmssion line with reflection wave signal through wave detector butter soil layer and the coupling of the place ahead rock mass.
Said vibration exciter telescopic chute and wave detector telescopic chute all can stretch.
The vibration exciter telescopic chute that during use, 1) vibration exciter will be housed earlier stretches out, until with the place ahead rock mass close proximity, as focus; 2) the wave detector telescopic chute one end coating butter of wave detector will be housed again, equally with its stretch out until with the place ahead rock mass close proximity, be used to receive reflection wave; 3) impact vibration exciter then one by one, vibration signal is transferred to vibrations excites head, excite head that vibration signal is propagated in the rock mass of the place ahead by vibrations again; Receive reflection wave through wave detector simultaneously, reflection wave signal is transferred to data processing terminal, then signal is analyzed, thereby judge front geological condition through signal transmssion line.
The utility model beneficial effect is, the utlity model has simple in structure, detection accuracy is high, anti-interference, convenient measurement, scalable, measure coupling precision advantages of higher.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the exciter structure synoptic diagram;
Fig. 3 is the detector structure synoptic diagram;
Wherein, 1. vibration exciter, 2. wave detector, 3. wave detector butter soil layer, 4. vibration exciter telescopic chute, 5. wave detector telescopic chute, 6. roll blade, the 7.TBM cutterhead, 8. signal transmssion line, 9. shake bar, 10. vibrations excite head.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Like Fig. 1-shown in Figure 3; Utilize the device of vibration signal advance geologic prediction in the construction of TBM method; Comprise vibration exciter 1, wave detector 2, vibration exciter telescopic chute 4, wave detector telescopic chute 5 and TBM cutterhead 7; Vibration exciter telescopic chute 4 and wave detector telescopic chute 5 roll blade 6 one sides on TBM cutterhead 7 that are crisscross arranged, scalable, be respectively applied for and place vibration exciter 1 and wave detector 2.
Said vibration exciter 1 is the paddle type mill vibroseis generator, vibration signal is transferred to vibrations excites 10 through impacting shake bar 9, excites 10 vibration signal propagated in the rock mass of the place ahead by vibrations again.
As shown in Figure 1, the utility model is provided with five vibration exciter telescopic chutes 4 and six wave detector telescopic chutes 5 altogether on TBM cutterhead 7, be staggered in a side of roll blade 6.
During measurement, the vibration exciter telescopic chute 4 that vibration exciter 1 will be housed earlier stretches out, until with the place ahead rock mass close proximity, as focus;
The wave detector telescopic chute 5 one end coating butters that wave detector 2 will be housed again form wave detector butter soil layer 3, equally with its stretch out until with the place ahead rock mass close proximity, be used to receive reflection wave;
Impact vibration exciter 1 then one by one, vibration signal is transferred to vibrations excites 10, excite 10 vibration signal propagated in the rock mass of the place ahead by vibrations again; Receive reflection waves through wave detector 2 simultaneously, reflection wave signal is transferred to data processing terminal, then signal is analyzed, thereby judged front geological condition through signal transmssion line 8.
Though the above-mentioned accompanying drawing that combines is described the embodiment of the utility model; But be not restriction to the utility model protection domain; One of ordinary skill in the art should be understood that; On the basis of the technical scheme of the utility model, those skilled in the art need not pay various modifications that creative work can make or distortion still in the protection domain of the utility model.
Claims (6)
1. utilize the device of vibration signal advance geologic prediction during a TBM method is constructed; It is characterized in that; Comprise the TBM cutterhead; Radially be provided with some groups of roll blades on the said TBM cutterhead, be interval with vibration exciter telescopic chute and wave detector telescopic chute along a side of one group of roll blade wherein, in vibration exciter telescopic chute and the wave detector telescopic chute respectively correspondence be provided with vibration exciter and wave detector; Wave detector links to each other with data processing terminal through signal transmssion line.
2. device as claimed in claim 1 is characterized in that, said vibration exciter telescopic chute has five at least.
3. device as claimed in claim 1 is characterized in that, said vibration exciter is the paddle type mill vibroseis generator, and it is connected to form by shake bar and epicenter excitation head.
4. device as claimed in claim 1 is characterized in that, said wave detector telescopic chute has six at least.
5. device as claimed in claim 1 is characterized in that, said wave detector front end is provided with wave detector butter soil layer, and the rear end is provided with signal transmssion line.
6. device as claimed in claim 1 is characterized in that, said vibration exciter telescopic chute and wave detector telescopic chute all can stretch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202019935U CN202563099U (en) | 2012-05-08 | 2012-05-08 | Device carrying out advance geology forecasting through vibration signals during construction of tunnel boring machine (TBM) method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202019935U CN202563099U (en) | 2012-05-08 | 2012-05-08 | Device carrying out advance geology forecasting through vibration signals during construction of tunnel boring machine (TBM) method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202563099U true CN202563099U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202019935U Expired - Fee Related CN202563099U (en) | 2012-05-08 | 2012-05-08 | Device carrying out advance geology forecasting through vibration signals during construction of tunnel boring machine (TBM) method |
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| CN (1) | CN202563099U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645669A (en) * | 2012-05-08 | 2012-08-22 | 山东大学 | Device for forecasting geologies in advance during tunnel boring machine (TBM) construction by using shock signals and usage method |
| CN110185454A (en) * | 2019-06-24 | 2019-08-30 | 中铁二局集团有限公司 | A kind of method of list shield double mode TBM advance geologic prediction fault belt |
| CN110376654A (en) * | 2019-08-15 | 2019-10-25 | 中国铁建重工集团股份有限公司 | A kind of tunnel forward probe system and method for TBM |
-
2012
- 2012-05-08 CN CN2012202019935U patent/CN202563099U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645669A (en) * | 2012-05-08 | 2012-08-22 | 山东大学 | Device for forecasting geologies in advance during tunnel boring machine (TBM) construction by using shock signals and usage method |
| CN110185454A (en) * | 2019-06-24 | 2019-08-30 | 中铁二局集团有限公司 | A kind of method of list shield double mode TBM advance geologic prediction fault belt |
| CN110376654A (en) * | 2019-08-15 | 2019-10-25 | 中国铁建重工集团股份有限公司 | A kind of tunnel forward probe system and method for TBM |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20150508 |
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| EXPY | Termination of patent right or utility model |