CN113219522B - Advanced earthquake prediction observation system and method carried on shield - Google Patents
Advanced earthquake prediction observation system and method carried on shield Download PDFInfo
- Publication number
- CN113219522B CN113219522B CN202010080839.6A CN202010080839A CN113219522B CN 113219522 B CN113219522 B CN 113219522B CN 202010080839 A CN202010080839 A CN 202010080839A CN 113219522 B CN113219522 B CN 113219522B
- Authority
- CN
- China
- Prior art keywords
- shock
- automatic telescopic
- exciter
- cabin
- shield
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000035939 shock Effects 0.000 claims abstract description 100
- 239000011435 rock Substances 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 22
- 230000005284 excitation Effects 0.000 claims description 19
- 239000006096 absorbing agent Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 17
- 230000005641 tunneling Effects 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013277 forecasting method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/04—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/143—Generating seismic energy using mechanical driving means, e.g. motor driven shaft
- G01V1/155—Generating seismic energy using mechanical driving means, e.g. motor driven shaft using reciprocating masses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides an earthquake advanced prediction observation system and method carried on a shield, which comprises an annular observation equipment containing cabin distributed along the circumference of the shield, wherein a shock exciter and a geophone are contained in the observation equipment containing cabin, and the shock exciter and the geophone are both provided with automatic telescopic pieces and can drive the shock exciter and the geophone to stretch along the direction of an automatic telescopic rod, so that a rock is impacted to excite seismic waves, or the automatic radial stretching and installation of the geophone are realized; the other end of the automatic telescopic piece connected with the shock exciter is connected with the sliding rail in a sliding manner, a sliding rail can be provided for the shock exciter, the shock exciter is controlled to slide forwards and backwards, the supporting rod is arranged on the lower portion of the sliding rail, and the rear end of the sliding rail can be automatically stretched and lifted to control the shock exciting angle so as to flexibly change the shock exciting position.
Description
Technical Field
The invention belongs to the field of advance prediction of unfavorable geology of a construction tunnel, and particularly relates to an advance earthquake prediction observation system and method carried on a shield.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, china has developed into the countries with the largest tunnel construction scale, the fastest development speed and the highest construction difficulty in the world, and the vigorous development of tunnel construction puts great demands on safe and efficient tunnel construction. However, the construction tunnel has high requirement on the quality of surrounding rocks, has poor adaptability to unfavorable geology, needs to accurately find out the geological condition in front of the tunnel face in time and actively deal with the geological condition in construction, otherwise sudden disasters such as water burst, mud burst, collapse and the like are easily caused, the construction progress is influenced if the disastrous consequences such as machine-damaged people death are caused if the disasters are easy to cause, and the progress and the development of the tunnel construction technology are seriously restricted. Therefore, how to carry out timely and accurate advanced geological forecast in the tunnel excavation process so as to find out the geological condition in front of the tunnel face becomes an important problem and challenge of safe and efficient construction of the tunnel.
The advanced forecasting method for the construction tunnel mainly comprises three types, namely an advanced drilling type, an electrical method type and a seismic wave type, and the seismic wave type advanced forecasting technology is a commonly used method. The construction tunnel seismic wave advanced forecasting method generally adopts an artificial or mechanical seismic source, the side wall behind a shield is shocked to generate seismic waves, detectors are arranged on the left side wall and the right side wall to receive the seismic waves, and the geological condition in front of a tunnel face is forecasted by processing and analyzing received signals. In the detection mode, a seismic source can only be excited by a vertical side wall, main energy components of the seismic source are transmitted by the vertical side wall, the energy components transmitted to the front of a tunnel face are relatively weak, and the front of the tunnel face is a detection area which is mainly concerned, so that the effective reflected wave energy received by the detector and coming from the front of the tunnel face is relatively weak; on the other hand, because the positions of the excitation point and the detector point are far away from the tunnel face, especially under the condition of crushing surrounding rocks, the energy loss of seismic waves in the surrounding rock propagation process is strong, and the energy of a reflected signal received by the detector is further weakened. The energy spread to the front of the palm surface cannot be increased, and the signal-to-noise ratio is low.
Disclosure of Invention
The invention aims to solve the problems and provides an earthquake advanced prediction observation system and method carried on a shield.
According to some implementation cases, the following technical scheme is adopted in the disclosure:
an earthquake advanced prediction observation system mounted on a shield, comprising:
the device comprises an annular observation equipment containing cabin distributed along the circumference of a shield, wherein a shock exciter and a geophone are contained in the observation equipment containing cabin, and the shock exciter and the geophone are both provided with automatic telescopic pieces and can be driven to stretch along the direction of an automatic telescopic rod, so that a rock is impacted to excite seismic waves, or automatic radial stretching and installation of the geophone are realized;
the other end of the automatic telescopic piece connected with the shock exciter is connected with the sliding rail in a sliding manner, a sliding rail can be provided for the shock exciter, the front and back sliding of the shock exciter is controlled, the supporting rod is arranged on the lower portion of the sliding rail, and the rear end of the sliding rail can be automatically stretched and lifted to control the shock exciting angle so as to flexibly change the shock exciting position.
As a further limitation, the observation equipment containing cabin is provided with an annular automatic telescopic cabin door, the observation equipment containing cabin can be closed in the tunneling process of a construction tunnel, the cabin door can be automatically opened in the advanced geological detection process, the geophone and the shock exciter can be extended out, and advanced geological detection can be performed according to requirements.
As a further limitation, when the annular automatic retractable door is closed, the outer wall of the annular automatic retractable door is kept flush with the outer wall of the shield.
As a further limitation, the annular observation equipment containing cabin comprises a plurality of cabins, 8 shock exciter cabins are distributed at equal intervals close to the front of the containing cabin, and a plurality of geophone cabins are distributed at equal intervals close to the rear of the containing cabin.
As a further limitation, the vibration exciter moves back and forth along the vibration exciter sliding rail according to the actual construction condition.
As a further limitation, the automatic telescopic piece connected with the vibration exciter can rotate left and right by taking the central axis of the main body of the vibration exciter as an axis.
As a further limitation, the circumferential rotation angle of the automatic telescopic piece connected with the shock absorber is 0-45 degrees, and the maximum rotation angle value in the single direction is 22.5 degrees.
As a further limitation, the tail end of an automatic telescopic piece connected with the shock absorber is connected with a sliding block, the sliding block is connected with a sliding rail in a sliding mode, and a driving piece drives the sliding block to move.
As a further limitation, the vibrators are evenly distributed along the shield circumference.
By way of further limitation, the detectors are evenly distributed along the circumference of the shield.
Based on the working method of the system, in the tunneling process of the construction tunnel, the outer wall of the annular telescopic door contacts the surrounding rock wall to provide support for the surrounding rock; in the detection process, the annular automatic telescopic cabin door is opened, the telescopic door is stored behind the shield, and the detector in the cabin extends out to contact and closely attach to the rock surrounding surface;
calculating the backward sliding length and the left and right rotating angles along the sliding rail according to the actual tunnel excavation condition, driving the shock exciter to sequentially rotate backward along the sliding rail and slide backward along the sliding rail according to the calculated values by the automatic telescopic piece, and extending out and then hammering the boundary position of the surrounding rock/the surrounding rock and the tunnel face to realize shock excitation;
when the earthquake waves generated by hammering the rock by the shock absorber are transmitted forwards and encounter unfavorable geology, the earthquake waves are reflected and transmitted back, all the detectors arranged on the surrounding rock receive earthquake signals, data processing and interpretation work is carried out, and meanwhile, the forward geological prediction condition is given.
And after prediction is finished, recovering each device.
Compared with the prior art, the beneficial effect of this disclosure is:
the position of the geophone is advanced to the shield, the transmission distance of seismic wave signals reflected by a bad geological interface in surrounding rocks is shortened, the signal loss is reduced, and the energy utilization rate of reflected waves is improved.
Compare traditional artifical detector and lay the device, this disclosure can reduce because of the unstable noise that arouses of detector laminating country rock when arranging the detector in automation. The automatic detector laying device provided by the disclosure not only can realize automatic mechanical construction, but also provides a support perpendicular to the surrounding rock for the detector to be attached to the surrounding rock, thereby effectively reducing the noise caused by instability of the detector to be attached to the surrounding rock.
Compared with the existing automatic detector arrangement mode, the method can reduce the noise caused by the excessively flexible support rod of the detector. The automatic detector telescoping device that this disclosure provided is flexible only can not slip also can not rotate, compares in current automatic detector and lays the device, has reduced the noise that arouses because of the telescopic link shake when the detector laminates the country rock.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a schematic view of an observation equipment storage cabin in a machine body carrying position;
FIG. 2 is a schematic view of an observation device inside an equipment storage compartment and a layout of the compartment doors;
FIG. 3 is a schematic diagram of the layout of the storage cabin and the cabin door of the tunneling state observation equipment;
FIG. 4 is a schematic view of the layout of the observation equipment storage compartment in a detection state (the automatic telescopic vibrator hammers the surrounding rocks);
FIG. 5 is a schematic view of the layout of the observation equipment storage compartment in a detection state (when the automatic telescopic shock exciter hammers the boundary position between the face and the surrounding rocks);
wherein: 1 denotes a hob, 2 denotes a cutter head, 3 denotes an annular automatic telescopic cabin door, 4 denotes an observation equipment storage cabin, 5 denotes a shield, 6 denotes a main beam, 7 denotes an automatic telescopic detector, 8 denotes an automatic telescopic shock exciter, 9 denotes a shock exciter slide rail, and 10 denotes a slide rail support rod.
The specific implementation mode is as follows:
the present disclosure is further illustrated by the following examples in conjunction with the accompanying drawings.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected," "connected," and the like should be understood broadly, and mean that they may be fixedly connected, integrally connected, or detachably connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by a person skilled in the art and should not be construed as limiting the present disclosure.
As shown in fig. 1 and 3, an earthquake prediction observation system mounted on a shield includes:
the automatic telescopic shock exciter can realize automatic telescopic of the shock exciter so as to impact rocks to excite seismic waves, and can rotate left and right around the central axis of the shock exciter;
the automatic telescopic detector can realize automatic radial telescopic and installation of the detector;
the observation equipment storage cabin can store an automatic telescopic shock exciter and an automatic telescopic detector;
the shock exciter sliding rail can provide a sliding rail for the automatic telescopic shock exciter and control the automatic telescopic shock exciter to slide back and forth.
The sliding rail supporting rod can automatically extend and retract to lift the rear end of the sliding rail so as to control the shock excitation angle.
The annular automatic telescopic cabin door can close the observation equipment storage cabin in the tunneling process of a construction tunnel, automatically opens the cabin door in the advanced geological detection process, extends out the automatic telescopic geophone and the automatic telescopic shock absorber, and performs advanced geological detection as required.
The automatic flexible exciters are installed and are set up in the cyclic annular observation equipment storage compartment of shield position, in this embodiment, 8 in total, are close to the equidistance distribution in shield the place ahead cabin body position at the storage bilge, and automatic flexible exciters can follow the exciters slide rail back-and-forth movement according to actual construction conditions to exciters main part axis is the axle and rotates from side to side, is 22.5 degrees along the biggest rotatable angle value of unilateral.
Compared with the existing seismic wave shock device, the advantages of the embodiment are mainly embodied in two aspects:
compared with the existing earthquake wave advanced detection shock excitation device, the artificial earthquake source is arranged at the shell behind the shield, and the shock excitation energy utilization rate is further improved by changing the energy composition of the earthquake source and shortening the signal transmission path of the earthquake source. In the embodiment, the position of the seismic source is advanced to the shield, and the shock is performed on the surrounding rock near the tunnel face or the junction position of the tunnel face and the surrounding rock. When the surrounding rock position near the face is hammered, the shock position is advanced, so that the transmission distance of the seismic source signal in the surrounding rock is shortened, the signal loss is reduced, and the shock energy utilization rate is improved. When the boundary position of the working face and the surrounding rock is hammered, the signal components of the seismic source are changed from the original transverse wave as the main component and the longitudinal wave as the auxiliary component to the longitudinal wave as the main component and the transverse wave as the auxiliary component, and the energy of the longitudinal wave of the seismic source is far higher than that of the transverse wave, so that the utilization rate of the shock excitation energy is further improved by changing the signal components of the seismic source.
Compare current automatic shock excitation device, this embodiment can guarantee to shake stability when guaranteeing to cover the shock excitation along the tunnelling direction is complete. The automatic shock excitation device provided by the embodiment can only slide and can not rotate along the direction of the tunnel boring machine, can only rotate and can not slide along the vertical boring direction (the maximum rotation angle is 22.5 degrees), and 8 automatic telescopic shock absorbers are uniformly distributed at the front position of an annular observation equipment containing cabin, so that full-coverage shock excitation in the direction parallel to the tunnel face is realized; in addition, in the embodiment, the shock is excited at the junction of the tunnel face and the surrounding rock or at the position close to the tunnel face and the surrounding rock by automatically controlling the shock exciter to slide backwards along the slide rail, then lifting the slide rail through the slide rail supporting rod (a stable triangular structure can be formed), and further automatically extending and retracting the bottom of the shock exciter to adjust the angle, so that the shock is more stable; in conclusion, the present embodiment can realize omnidirectional, stable and automatic shock excitation.
The automatic telescopic detectors are arranged in an annular observation equipment storage cabin arranged at the shield position, 16 detectors are arranged in total, the positions of the storage cabin bottom close to the cabin body behind the shield are distributed at equal intervals, the automatic telescopic detectors can be telescopic back and forth in the direction perpendicular to the surrounding rock, and the automatic telescopic detectors are not provided with tracks and cannot rotate.
In the first embodiment, when the automatic telescopic shock exciter hammers the surrounding rocks, the working condition can be as shown in fig. 4, a groove is formed in the shield position to form an observation equipment cabin, the cabin door is an annular automatic telescopic cabin door, the annular automatic telescopic cabin door is closed in the tunneling process of the construction tunnel, the outer wall of the annular automatic telescopic cabin door is kept flush with the outer wall of the shield, and the outer wall of the annular telescopic door contacts with the surrounding rock wall to support the surrounding rocks; in the detection process, the annular automatic telescopic cabin door is opened, the telescopic door is stored behind the shield, and the detector in the cabin extends out of the space of the original annular automatic telescopic cabin door and is in contact with and tightly attached to the rock surrounding surface; the control center calculates the backward sliding length and the left-right rotating angle along the sliding rail according to the actual excavation condition of the tunnel, the automatic telescopic shock absorbers rotate leftwards (rightwards) and slide backwards along the sliding rail in sequence according to the calculated values, the automatic telescopic shock absorbers extend out in the space of the original annular automatic telescopic cabin door and then hammer the surrounding rock to realize shock excitation, and the shock excitation is finished (a plurality of shock absorbers or all shock absorbers can simultaneously shock the shock absorbers in the shock excitation process, and a single shock absorber can shock the shock in sequence). When the seismic waves generated by hammering the rock by the shock absorber are transmitted forwards and encounter unfavorable geology, the seismic waves are reflected and transmitted back, 16 detectors (the detectors are overlapped with the seismic source in the figure) arranged on the surrounding rock receive seismic signals and transmit the seismic signals to a control center for data processing and interpretation, and meanwhile, the forward geological prediction condition is given. And then the automatic telescopic detector is withdrawn, the automatic telescopic shock exciter rotates to the initial position, the automatic telescopic shock exciter slides to the initial position of the sliding rail along the sliding rail, then the sliding rail falls to the cabin bottom position, the annular automatic telescopic cabin door is automatically closed, support is provided for surrounding rocks again, one-time detection is completed, and tunneling operation is continued.
In the second embodiment, when the automatic telescopic shock exciter hammers the boundary position between the face and the surrounding rock, the working condition can be as shown in fig. 5, and the specific implementation scheme is as follows:
the method comprises the following steps that a groove is formed in the shield position, an observation equipment cabin is arranged, and a cabin door is arranged to be an annular automatic telescopic cabin door; in the detection process, the annular automatic telescopic cabin door is opened, the telescopic door is stored behind the shield, and the detector in the cabin extends out of the space of the original annular automatic telescopic cabin door and is in contact with and tightly attached to the rock surrounding surface; the control center calculates the backward sliding length along the slide rail, the left-right rotating angle and the slide rail lifting height according to the actual tunnel excavation condition, the automatic telescopic shock exciter rotates leftwards (rightwards) in sequence according to a calculated value and slides backwards along the slide rail, then the slide rail support rod rises from the bottom of the cabin according to the calculated value, the bottom angle of the automatic telescopic shock exciter is adjusted, the automatic telescopic shock exciter extends out of the intersection position of the hammering surrounding rock and the tunnel face in the original annular automatic telescopic cabin door space to realize shock excitation, and shock excitation is finished (the shock excitation process can simultaneously excite a plurality of shock exciters or all shock exciters, and also can sequentially excite a single shock exciter). When the seismic waves generated by hammering the rock by the shock exciter are transmitted forwards and encounter unfavorable geology, the seismic waves are reflected and transmitted back, the 16 detectors arranged on the surrounding rock receive seismic signals and transmit the seismic signals to the control center for data processing and interpretation, and meanwhile, the forward geological prediction condition is given. And then the automatic telescopic geophone is withdrawn, the automatic telescopic vibration exciter rotates to the initial position, the automatic telescopic vibration exciter slides to the initial position of the sliding rail along the sliding rail, then the sliding rail falls to the cabin bottom position, the annular automatic telescopic cabin door is closed, support is provided for surrounding rocks again, one-time detection is completed, and tunneling operation is continued.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the embodiments of the present disclosure have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present disclosure, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive changes in the technical solutions of the present disclosure.
Claims (9)
1. An earthquake advanced prediction observation system carried on a shield, characterized in that: the method comprises the following steps:
the device comprises an annular observation equipment containing cabin distributed along the circumference of a shield, wherein a shock exciter and a geophone are contained in the observation equipment containing cabin, and the shock exciter and the geophone are both provided with automatic telescopic pieces and can be driven to stretch along the direction of an automatic telescopic rod, so that a rock is impacted to excite seismic waves, or automatic radial stretching and installation of the geophone are realized; the annular observation equipment containing cabin comprises a plurality of cabin positions, a plurality of shock exciter cabin positions are distributed at equal intervals near the front of the containing cabin, and a plurality of geophone cabin positions are distributed at equal intervals near the rear of the containing cabin;
the shock exciter can only slide and can not rotate along the direction of the tunnel boring machine, and can only rotate and can not slide along the vertical boring direction, so that full coverage shock excitation in the direction parallel to the tunnel face is realized; the other end of the automatic telescopic part connected with the shock absorber is connected with the sliding rail in a sliding manner, a sliding rail can be provided for the shock absorber, the front and back sliding of the shock absorber is controlled, the supporting rod is arranged on the lower portion of the sliding rail, the automatic shock absorber can automatically stretch and retract after sliding backwards along the sliding rail to lift the rear end of the sliding rail to form a stable triangular structure, the shock angle is controlled, the shock position is flexibly changed, and the shock at the junction of the face and the surrounding rock or the position close to the face and the surrounding rock is achieved in the mode of adjusting the angle of the bottom of the automatic telescopic shock absorber.
2. The system as claimed in claim 1, wherein the system comprises: the observation equipment storage cabin is provided with an annular automatic telescopic cabin door, the observation equipment storage cabin can be closed in the tunneling process of a construction tunnel, the cabin door is automatically opened in the advanced geological detection process, the wave detector and the shock exciter are extended out, and advanced geological detection is carried out as required.
3. An earthquake advance forecasting and observing system mounted on a shield as claimed in claim 2, wherein: when the annular automatic telescopic cabin door is closed, the outer wall of the annular automatic telescopic cabin door is kept flush with the outer wall of the shield.
4. The system for advanced earthquake prediction observation mounted on a shield as claimed in claim 1, wherein: the vibration exciter moves back and forth along the vibration exciter sliding rail according to the actual construction condition.
5. The system for advanced earthquake prediction observation mounted on a shield as claimed in claim 1, wherein: the automatic telescopic piece connected with the shock exciter can rotate left and right by taking the central axis of the shock exciter body as an axis.
6. The system as claimed in claim 5, wherein the system comprises: the circumferential rotation angle of the automatic telescopic piece connected with the shock exciter is 0-45 degrees, and the maximum rotation angle value along the single direction is 22.5 degrees.
7. The system as claimed in claim 1, wherein the system comprises: the end of the automatic telescopic part connected with the shock exciter is connected with a sliding block, the sliding block is connected with the sliding rail in a sliding mode, and a driving piece drives the sliding block to move.
8. The system for advanced earthquake prediction observation mounted on a shield as claimed in claim 1, wherein: the shock absorbers are uniformly distributed along the circumference of the shield;
or the detectors are uniformly distributed along the circumference of the shield.
9. Method of operating a system according to any of claims 1 to 8, characterized in that: in the tunneling process of a construction tunnel, the outer wall of the annular telescopic door contacts with a surrounding rock wall to provide support for the surrounding rock; in the detection process, the annular automatic telescopic cabin door is opened, the telescopic door is stored behind the shield, and the detector in the cabin extends out to contact and closely attach to the rock surrounding surface;
calculating the backward sliding length and the left and right rotating angles along the sliding rail according to the actual tunnel excavation condition, driving the shock exciter to sequentially rotate backward along the sliding rail and slide backward along the sliding rail according to the calculated values by the automatic telescopic piece, and extending out and then hammering the boundary position of the surrounding rock/the surrounding rock and the tunnel face to realize shock excitation;
when the seismic waves generated by hammering the rock by the shock exciter are transmitted forwards and encounter unfavorable geology, the seismic waves are reflected and transmitted back, all the detectors arranged on the surrounding rock receive seismic signals, data processing and interpretation work is carried out, and meanwhile the forward geological prediction condition is given.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080839.6A CN113219522B (en) | 2020-02-05 | 2020-02-05 | Advanced earthquake prediction observation system and method carried on shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080839.6A CN113219522B (en) | 2020-02-05 | 2020-02-05 | Advanced earthquake prediction observation system and method carried on shield |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113219522A CN113219522A (en) | 2021-08-06 |
| CN113219522B true CN113219522B (en) | 2022-11-04 |
Family
ID=77085469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010080839.6A Active CN113219522B (en) | 2020-02-05 | 2020-02-05 | Advanced earthquake prediction observation system and method carried on shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113219522B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117706614B (en) * | 2023-12-19 | 2024-08-23 | 四川中铁二院环保科技有限公司 | Advanced geological prediction system and advanced geological prediction method for tunnel |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007060264A1 (en) * | 2007-12-14 | 2009-06-18 | GeoForschungsZentrum Potsdam Stiftung des öffentlichen Rechts | Pulse generator, in particular for exciting seismic waves |
| CN104678428A (en) * | 2015-03-11 | 2015-06-03 | 山东大学 | Tunnel boring machine rock breaking seismic source and active source three-dimensional seismic combined advanced detection system |
| CN104678426A (en) * | 2015-03-11 | 2015-06-03 | 山东大学 | Tunnel boring machine active source three-dimensional seismic advanced detection device and method |
| CN106703822A (en) * | 2017-03-06 | 2017-05-24 | 北京水工资环新技术开发有限公司 | Elastic wave reflecting method device installed on shield and its measuring method |
| CN106772565A (en) * | 2016-12-23 | 2017-05-31 | 山东大学 | The loading device and method of a kind of TBM seismic waves advanced prediction instrument |
| 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 |
| CN108802808A (en) * | 2018-06-19 | 2018-11-13 | 山东大学 | Seismic wave advanced prediction loading device and method for double shield rock rippers |
| CN109375263A (en) * | 2018-12-04 | 2019-02-22 | 山东大学 | A kind of earthquake advanced prediction device, system and method suitable for drill+blast tunnel |
-
2020
- 2020-02-05 CN CN202010080839.6A patent/CN113219522B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007060264A1 (en) * | 2007-12-14 | 2009-06-18 | GeoForschungsZentrum Potsdam Stiftung des öffentlichen Rechts | Pulse generator, in particular for exciting seismic waves |
| CN104678428A (en) * | 2015-03-11 | 2015-06-03 | 山东大学 | Tunnel boring machine rock breaking seismic source and active source three-dimensional seismic combined advanced detection system |
| CN104678426A (en) * | 2015-03-11 | 2015-06-03 | 山东大学 | Tunnel boring machine active source three-dimensional seismic advanced detection device and method |
| CN106772565A (en) * | 2016-12-23 | 2017-05-31 | 山东大学 | The loading device and method of a kind of TBM seismic waves advanced prediction instrument |
| CN106703822A (en) * | 2017-03-06 | 2017-05-24 | 北京水工资环新技术开发有限公司 | Elastic wave reflecting method device installed on shield and its measuring method |
| 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 |
| CN108802808A (en) * | 2018-06-19 | 2018-11-13 | 山东大学 | Seismic wave advanced prediction loading device and method for double shield rock rippers |
| CN109375263A (en) * | 2018-12-04 | 2019-02-22 | 山东大学 | A kind of earthquake advanced prediction device, system and method suitable for drill+blast tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113219522A (en) | 2021-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110824547B (en) | Seismic source geophone integrated device and method for seismic method exploration | |
| CN108104827B (en) | Variable-diameter normal-pressure cutter changing cutter disc and shield machine using cutter disc | |
| AU2016397905A1 (en) | Drilling and bursting type heading machine | |
| CN209011836U (en) | A kind of rock tunnel(ling) machine and its forward probe and suspension roof support complex conversion mechanism | |
| AU2020100911A4 (en) | Shield structure for effectively controlling ground subsidence | |
| CN111005734A (en) | Center advanced exploration type hard rock heading machine | |
| CN108802808A (en) | Seismic wave advanced prediction loading device and method for double shield rock rippers | |
| LU101976B1 (en) | Special-shaped bit tool of shield machine capable of stabilizing boring speed | |
| CN113219522B (en) | Advanced earthquake prediction observation system and method carried on shield | |
| CN113833487B (en) | Flexible rock drilling robot capable of penetrating through rock and rock breaking method thereof | |
| CN109375263A (en) | A kind of earthquake advanced prediction device, system and method suitable for drill+blast tunnel | |
| CN106837333A (en) | A kind of fully-mechanized mining working pre-tunnel laneway road formula passing fault method | |
| CN109610454A (en) | A kind of underground obstacle barrier clearing device and its construction method | |
| CN110837110B (en) | Seismic wave method advanced prediction auxiliary device and method suitable for TBM tunnel | |
| CN209011826U (en) | A kind of laser rock fragmenting device | |
| CN205370442U (en) | Drill jumbo | |
| CN110988978B (en) | Assembled vehicle-mounted seismic image detection system and method suitable for tunnel interior | |
| CN210217742U (en) | Telescopic cutter head of heading machine | |
| CN208137943U (en) | A kind of anti-sticking double-shielded TBM of NEW TYPE OF COMPOSITE | |
| CN208605192U (en) | A kind of unidirectional integral cutting equipment in subsurface rock channel | |
| CN111255467A (en) | Shield machine for supporting palm protection surfaces in tunnel | |
| CN111005379A (en) | Construction method for removing pile body of reinforced concrete cast-in-place pile | |
| CN214616355U (en) | Crawler drill for hydropower station engineering | |
| CN116771357A (en) | High-speed electromagnetic emission auxiliary rock breaking tunnel boring machine and construction method thereof | |
| CN214273649U (en) | Pipe shed operation room construction excavation equipment and open-type TBM |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |