CN204405859U - Mode of wireless transmission HSP Geological Advanced Prediction instrument in a kind of TBM construction - Google Patents
Mode of wireless transmission HSP Geological Advanced Prediction instrument in a kind of TBM construction Download PDFInfo
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- CN204405859U CN204405859U CN201520108904.6U CN201520108904U CN204405859U CN 204405859 U CN204405859 U CN 204405859U CN 201520108904 U CN201520108904 U CN 201520108904U CN 204405859 U CN204405859 U CN 204405859U
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Abstract
A mode of wireless transmission HSP Geological Advanced Prediction instrument in TBM construction, possession matter detection instrument technical field.The reflection wave signal wave detector that its formation mainly comprises HSP sonic apparatus, is arranged on the synchronizing signal wave detector of TBM cutterhead inside, is arranged on the tunnel surrounding being positioned at TBM workplace rear portion, the output terminal of two wave detectors is connected with a wireless launcher, is connected with a wireless receiver at the signal input part of described HSP sonic apparatus.Advantage changes the original wire transmission transferring to the signal of HSP sonic apparatus from cutterhead into wireless transmission, avoids in Signal transmissions and introduce the laying that noise causes the transmission line of distorted signals and complexity, the application of constructing in particular surroundings at TBM of being more convenient for.
Description
Technical field
The utility model relates to the Geological Advanced Prediction instrument in a kind of TBM construction.Possession matter detection instrument technical field.
Technical background
In tunnel excavation operation, TBM (Tunnel Boring Machine, rock tunnel(ling) machine) is usually adopted to construct.In order to ensure construction safety, " Geological Advanced Prediction instrument " is usually all used to carry out advanced prediction to the geological condition in face in face of excavation when TBM constructs.Existing one " Geological Advanced Prediction instrument ", see Chinese patent " a kind of for TBM construction geological advanced prediction method " (ZL 200810044256.7), by one be arranged on TBM cutterhead inside for synchronously receive the acoustic signals that TBM cutterhead cutting rock excites synchronizing signal wave detector, one be arranged on the tunnel surrounding being positioned at TBM workplace rear portion for receiving the sound detector of the reflection wave signal transmitted through rock mass by TBM workplace front and by signal transmssion line, above-mentioned two wave detectors and HSP sonic apparatus being connected and composed.Geologic prediction result is provided after received signal is processed and analyzed by HSP (Horizontal SonicProfiling, horizontal acoustic waves profile method) sonic apparatus.This deficiency being carried out the Geological Advanced Prediction instrument of transmitted test signal by signal transmssion line is: (1), and because of unique Complicated Spatial Structure of TBM, signal transmssion line layout difficulty is large; (2), in TBM work progress, signal transmssion line is often because of TBM operation or other reasons breakage, and maintenance difficulties is large; (3), signal transmssion line major part is attached to TBM power supply for construction system, introduces undesired signal, causes distorted signals to affect the accuracy rate of forecast.
Summary of the invention
The purpose of this utility model is the above-mentioned shortcoming overcoming prior art, can guarantee to provide high fidelity signals to improve the mode of wireless transmission HSP Geological Advanced Prediction instrument of forecast accuracy for TBM construction provides a kind of.
The formation realizing the mode of wireless transmission HSP Geological Advanced Prediction instrument of the utility model object comprises HSP sonic apparatus, be arranged on the synchronizing signal wave detector of TBM cutterhead inside, be arranged on the reflection wave signal wave detector of the tunnel surrounding being positioned at TBM workplace rear portion, it is characterized in that being provided with a wireless launcher be connected with the output terminal of synchronizing signal wave detector and reflection wave signal wave detector on described TBM development machine workplace cutterhead, a wireless receiver is connected with at the signal input part of described HSP sonic apparatus, described wireless launcher is made up of filtering circuit and radio transmitter, the input end of filtering circuit is connected with the output terminal of synchronizing signal wave detector, the output terminal of filtering circuit is connected with the input end of radio transmitter, the output terminal of radio transmitter is the output terminal of wireless launcher, described wireless receiver is made up of filtering circuit and wireless receiving circuit, wireless receiving circuit input end is the receiving end of wireless receiver, wireless receiving circuit output terminal is connected with filtering circuit input end, the output terminal of filtering circuit is the output terminal of wireless receiver.
The same with prior art during work, HSP sonic apparatus is placed in the position not affecting excavation operation after TBM development machine workplace.The signal that synchronizing signal wave detector and reflection wave signal wave detector receive when TBM operation, by wire transmission to wireless launcher, after the filtering circuit filter away high frequency noise signal and low-frequency interference signal of wireless launcher, be transferred to radio transmitter, signal is carried out wireless transmission by radio transmitter; This signal is received by the wireless receiving circuit of wireless receiver, after filtering circuit filter away high frequency noise signal and low-frequency interference signal, outputs to HSP sonic apparatus and carries out data storage and analyzing and processing.
The utility model changes the original wire transmission transferring to the signal of HSP sonic apparatus from cutterhead into wireless transmission, has the following advantages:
1, save laying and the maintenance process of signal transmssion line, make TBM construction HSP Geological Advanced Prediction more convenient operation, fast, substantially increase geologic prediction work efficiency.
2, effectively obtain the actual signal in TBM workplace front by arranging filtering circuit, fidelity is high.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is circuit block diagram of the present utility model.
Fig. 3 is the physical circuit figure of wireless launcher.
Fig. 4 is the physical circuit figure of wireless receiver.
Embodiment
See Fig. 1 ~ Fig. 4, in the present embodiment, filtering circuit is made up of filter capacitor C1, C2, C3, C4, C5, C6, C7, C8, and radio transmitter is by XL-01M-T module composition, and wireless receiving circuit is by XL-01M-R module composition.RS1 is synchronizing signal wave detector input end, and RS2 is reflection wave signal wave detector input end, and RL1 is synchronizing signal wave detector output terminal, and RL2 is reflection wave signal geophone signal output terminal.In Fig. 11 be synchronizing signal wave detector, 2 for reflection wave signal wave detector, 3 is HSP sonic apparatus.Each circuit is contained in housing R-1, T-1, and Fig. 3, Fig. 4 give the annexation of each parts.The signal wire T-4 that wave detector receives is connected with input end RS1, RS2 of filtering circuit by signal input port T-7, and signal is by wireless antenna (in Fig. 1 T-6) wireless transmission; And received by the wireless antenna (in Fig. 2 R-6) of wireless receiver, Received signal strength is connected with the input end of HSP sonic apparatus by signal output part R-7 wire R-4.In figure, K1 (in Fig. 1 T-5), K2 (in Fig. 2 R-5) are power switch, HL1 (in Fig. 1 T-2), HL2 (in Fig. 2 R-2) are power light, and PV1 (in Fig. 1 T-3), PV2 (in Fig. 2 R-3) are voltage display.
During work, open power switch R-5, T-5 of wireless receiver and wireless launcher, its power light R-2, T-2 lamp is bright, and R-3, T-3 show voltage swing.The signal that wave detector receives imports wireless launcher by wire T-4 into by T-7, and signal carries out filtering filter away high frequency noise signal and low-frequency interference signal by C1, C2, C3, C4; Filtered signal is received by XL-01M-R module after being launched by XL-01M-T module, carry out filtering filter away high frequency noise signal and low-frequency interference signal via C5, C6, C7, C8, pass to HSP sonic apparatus 3 by wire R-4 by R-7 and carry out data storage and analysis.
Claims (1)
1. the mode of wireless transmission HSP Geological Advanced Prediction instrument in a TBM construction, comprise HSP sonic apparatus, be arranged on the synchronizing signal wave detector of TBM cutterhead inside, be arranged on the reflection wave signal wave detector of the tunnel surrounding being positioned at TBM workplace rear portion, it is characterized in that being provided with a wireless launcher be connected with the output terminal of synchronizing signal wave detector and reflection wave signal wave detector on described TBM development machine workplace cutterhead, a wireless receiver is connected with at the signal input part of described HSP sonic apparatus, described wireless launcher is made up of filtering circuit and radio transmitter, the input end of filtering circuit is connected with the output terminal of synchronizing signal wave detector, the output terminal of filtering circuit is connected with the input end of radio transmitter, the output terminal of radio transmitter is the output terminal of wireless launcher, described wireless receiver is made up of filtering circuit and wireless receiving circuit, wireless receiving circuit input end is the receiving end of wireless receiver, wireless receiving circuit output terminal is connected with filtering circuit input end, the output terminal of filtering circuit is the output terminal of wireless receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108904.6U CN204405859U (en) | 2015-02-14 | 2015-02-14 | Mode of wireless transmission HSP Geological Advanced Prediction instrument in a kind of TBM construction |
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| CN201520108904.6U CN204405859U (en) | 2015-02-14 | 2015-02-14 | Mode of wireless transmission HSP Geological Advanced Prediction instrument in a kind of TBM construction |
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| CN204405859U true CN204405859U (en) | 2015-06-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085235A (en) * | 2017-04-13 | 2017-08-22 | 北京同度工程物探技术有限公司 | A kind of earthquake forward probe system and method applied to development machine |
| CN109343111A (en) * | 2018-09-30 | 2019-02-15 | 中国科学院武汉岩土力学研究所 | A kind of long range TBM tunnel rock burst micro seismic monitoring method under interbedding of soft and hard rocks geological conditions |
| 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 |
-
2015
- 2015-02-14 CN CN201520108904.6U patent/CN204405859U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085235A (en) * | 2017-04-13 | 2017-08-22 | 北京同度工程物探技术有限公司 | A kind of earthquake forward probe system and method applied to development machine |
| CN109343111A (en) * | 2018-09-30 | 2019-02-15 | 中国科学院武汉岩土力学研究所 | A kind of long range TBM tunnel rock burst micro seismic monitoring method under interbedding of soft and hard rocks geological conditions |
| 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 |
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