CN111221033A - Embedded TBM carries on slight shock monitoring devices - Google Patents
Embedded TBM carries on slight shock monitoring devices Download PDFInfo
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- CN111221033A CN111221033A CN201911368376.7A CN201911368376A CN111221033A CN 111221033 A CN111221033 A CN 111221033A CN 201911368376 A CN201911368376 A CN 201911368376A CN 111221033 A CN111221033 A CN 111221033A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 230000035939 shock Effects 0.000 title claims description 19
- 230000001681 protective effect Effects 0.000 claims description 43
- 238000011084 recovery Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 21
- 230000005641 tunneling Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 11
- 238000005553 drilling Methods 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/01—Measuring or predicting earthquakes
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- 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
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- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Geophysics And Detection Of Objects (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses an embedded type TBM (tunnel boring machine) carrying micro-seismic monitoring device which comprises a supporting shoe arranged on a TBM host, wherein a micro-seismic module at the supporting shoe position is arranged on the supporting shoe, an annular sliding rail is sleeved on the TBM host, the fixed end of a horizontal oil cylinder is arranged on the TBM host, the telescopic end of the horizontal oil cylinder is connected with the annular sliding rail, the annular sliding rail is connected with the fixed end of a tightening oil cylinder, and the telescopic end of the tightening oil cylinder is connected with the micro-seismic module at a slurry spraying bridge through a hydraulic damper. The method can realize the whole-process continuous microseismic monitoring in the TBM, can synchronously advance the monitoring interval along with the TBM tunneling, ensures the accuracy of the monitoring result, avoids frequent drilling, mounting and dismounting of sensors in the traditional drilling monitoring, reduces the loss rate, and greatly reduces the equipment cost and the labor cost.
Description
Technical Field
The invention relates to the field of microseismic monitoring, in particular to an embedded TBM (tunnel boring machine) carrying microseismic monitoring device.
Background
With the continuous improvement of the mechanical manufacturing level, the tunnel engineering construction gradually develops towards mechanization and modularization. The TBM has the characteristics of high tunneling speed, high safety and the like as a high-integration mechanized tunnel construction device, and is widely applied to the construction of various rock tunnel projects.
The rock burst problem is one of the major problems encountered during the TBM tunneling process. For tunnel engineering with poor rock quality, development of joint cracks in rock stratums or large burial depth and high stress, rock mass is easy to generate rock burst phenomenon due to excavation disturbance, and TBM blocking and equipment damage and even serious personnel and property loss are caused. The microseismic monitoring is proved to be an effective technology for monitoring and early warning rock burst by practice, and the regulation and control of the construction progress can be guided to a certain extent by monitoring the time, space and energy distribution of the occurrence of the rock burst event in the TBM tunneling process, so that the rock burst is prevented.
Actual engineering inspection shows that micro-seismic monitoring is needed only in a distance behind an excavation face in the TBM tunneling process, so that the monitoring interval is promoted by using a mode of alternately installing and dismantling micro-seismic sensors in consideration of necessity and economy. However, the method needs frequent installation and removal of the sensors to follow the excavation progress, is complicated in steps, time-consuming and labor-consuming, and is not beneficial to popularization and application of the micro-seismic monitoring technology in TBM tunneling engineering.
Disclosure of Invention
The invention aims to provide an embedded TBM (tunnel boring machine) carrying microseismic monitoring device aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an embedded TBM carries on slight shock monitoring devices, is provided with on the boots and props the slight shock module of boots department including setting up the boots that prop on the TBM host computer, and the cover is equipped with annular slide rail on the TBM host computer, and the stiff end setting of horizontal hydro-cylinder is on the TBM host computer, and the flexible end and the annular slide rail of horizontal hydro-cylinder are connected, and annular slide rail is connected with the stiff end that props tight hydro-cylinder, props the flexible end of tight hydro-cylinder and passes through hydraulic damper and be connected with the slight shock module of whitewashing bridge department.
The supporting shoe micro-seismic module comprises a recovery device, a micro-seismic sensor and a protective cover, wherein the micro-seismic sensor is arranged in a sensor mounting hole of the supporting shoe through the recovery device, the protective cover is covered at an orifice of the sensor mounting hole of the supporting shoe, and the inner side of the protective cover is connected with the end part of the micro-seismic sensor.
The tightening oil cylinders are distributed uniformly along the annular slide rail, and the stretching direction of the stretching ends of the tightening oil cylinders is the radial direction of the TBM main machine.
As above the TBM host machine is sleeved with and fixed with the horizontal oil cylinder support rings, the horizontal oil cylinders are uniformly distributed along the circumferential direction of the TBM host machine, the fixing seats of the horizontal oil cylinders are connected with the horizontal oil cylinder support rings, and the telescopic direction of the horizontal oil cylinders is parallel to the axial direction of the TBM host machine.
Each tightening oil cylinder corresponds to two horizontal oil cylinders, and the part of the annular slide rail, which is connected with the fixing seat of the tightening oil cylinder, is connected with the telescopic ends of the two corresponding horizontal oil cylinders.
The inner side of the part of the annular slide rail connected with the fixed end of the tightening oil cylinder is provided with a support leg, the support leg is embedded into a slide rail guide groove, the slide rail guide groove is arranged on the outer wall of the TBM host, and the extending direction of the slide rail guide groove is parallel to the axis of the TBM host.
The two sides of the supporting leg are provided with idler wheels capable of rolling along the slide rail guide groove, and idler wheel limiting plates are arranged at the notches of the slide rail guide groove.
The slight shock module at the guniting bridge comprises an arc-shaped supporting plate, a protective sleeve, a sealing cover, a recovery device and a slight shock sensor, wherein one end of the protective sleeve is connected with the inner wall of the arc-shaped supporting plate, the other end of the protective sleeve is connected with the sealing cover, and the slight shock sensor is arranged in the protective sleeve through the recovery device.
The telescopic end of the tensioning oil cylinder is connected with the damper connecting plate, the telescopic end of the hydraulic damper is connected with the damper connecting plate, the fixed end of the hydraulic damper is connected with the sealing cover, the spring is sleeved outside the hydraulic damper, and the two ends of the spring are respectively abutted against the damper connecting plate and the sealing cover.
A protective sleeve rib plate is arranged between the side wall of the protective sleeve and the arc-shaped supporting plate.
Compared with the prior art, the invention has the following beneficial effects:
the continuous microseismic monitoring in the whole process of the TBM can be realized, the monitoring interval can be synchronously pushed along with the tunneling of the TBM, the accuracy of the monitoring result is ensured, the frequent drilling, mounting and dismounting of sensors in the traditional drilling monitoring are avoided, the loss rate is reduced, and the equipment cost and the labor cost are greatly reduced; the defect that cables need to be frequently paid off due to TBM advancing in traditional drilling monitoring is avoided; avoiding the error caused by the improper manual installation of the sensor. And the modularized design is adopted, so that the convenience and the installation accuracy of installing and replacing the microseismic monitoring sensor are improved.
Drawings
FIG. 1 is a diagram of the placement of the microseismic modules at the shoe support of the present invention;
FIG. 2 is a schematic view of the layout of the microseismic modules at the guniting bridge according to the present invention;
FIG. 3 is a top view of the arrangement of the microseismic modules at the guniting bridge according to the present invention;
FIG. 4 is a schematic structural view of a microseismic module at a shoe support of the present invention;
FIG. 5 is a front view of the cover of the microseismic module at the boot support of the present invention;
FIG. 6 is a schematic structural view of a microseismic module at a guniting bridge according to the present invention;
FIG. 7 is a cross-sectional view of a microseismic module at a guniting bridge according to the present invention;
FIG. 8 is a schematic view of the arrangement of the annular slide rails at the guniting bridge according to the invention;
FIG. 9 is an enlarged view of a portion of A in FIG. 8;
fig. 10 is a layout of the present invention.
In the figure: 101-TBM host; 102-a shoe; 103-a slide rail guide groove; 104-horizontal cylinder support ring; 2-a slight shock module at the boot supporting position; 3-surrounding rock; 4-an annular slide rail; 5-horizontal oil cylinder; 6-roller limiting plate; 7-a roller; 8-tightening the oil cylinder; 9-a slight shock module at the guniting bridge; 10-a recovery unit; 11-microseismic sensors; 12-a protective cover; 13-a hydraulic damper; 14-a spring; 1501-a protective sleeve; 1502-protective sleeve rib; 16-a cable; 17-a collecting instrument; 18-an optical cable; 19-a server; 20-a display terminal; 21-supporting legs; 22-an arc-shaped support plate; 23-a damper connecting plate; 24-sealing the cover; a-roller connection.
Detailed Description
The present invention will be described in further detail with reference to examples for the purpose of facilitating understanding and practice of the invention by those of ordinary skill in the art, and it is to be understood that the present invention has been described in the illustrative embodiments and is not to be construed as limited thereto.
The utility model provides an embedded TBM carries on slight shock monitoring devices, including setting up the boots 102 that prop on TBM host computer 101, prop and be provided with on the boots 102 and prop the slight shock module 2 of boots department, the cover is equipped with annular slide rail 4 on the TBM host computer 101, the stiff end setting of horizontal hydro-cylinder 5 is on TBM host computer 101, the flexible end and the annular slide rail 4 of horizontal hydro-cylinder 5 are connected, annular slide rail 4 is connected with the stiff end that props tight hydro-cylinder 8, prop the flexible end of tight hydro-cylinder 8 and pass through hydraulic damper 13 and be connected with spouting bridge department slight shock module 9.
The microseismic sensors 11 are generally arranged in a group at intervals of 30-50 m, and each group comprises 4 microseismic sensors. And considering the actual characteristics of the TBM host 101, a double monitoring section arrangement scheme is adopted. When the TBM main machine 101 is used for tunneling, the cutter head cuts rocks to generate large vibration, so that the microseismic sensor 11 cannot monitor a rock fracture signal, the first section is arranged at the supporting shoe 102 and is 15-20 m away from the tunnel face, and the mechanical vibration influence at the first section is small. And meanwhile, considering the arrangement condition of internal equipment of the TBM main machine 101, arranging the second monitoring section in front of the guniting bridge and 60-80 m away from the tunnel face.
The number of the shoe supporting position micro-seismic modules 2 is four, each shoe supporting position micro-seismic module 2 comprises a recovery device 10, a micro-seismic sensor 11 and a protective cover 12, each micro-seismic sensor 11 is arranged in a sensor mounting hole of the shoe supporting 102 through the recovery device 10, the protective cover 12 is arranged at the hole opening of the sensor mounting hole of the shoe supporting 102 in a covering mode, and the inner side of the protective cover 12 is connected with the end portion of the micro-seismic sensor 11. As shown in FIG. 1, the microseismic sensor 11 is selected to be a one-way sensor. In order to facilitate the overhaul and the disassembly and assembly of the microseismic sensor 11, the recovery device 10 is used for fixing the microseismic sensor 11, the hole bottom of the sensor mounting hole is preferably close to the outer shield surface of the supporting shoe 102 as much as possible, and the hole opening of the sensor mounting hole is blocked by using the protective cover 12.
As shown in fig. 2, the number of the grout spraying bridge microseismic modules 9 is four, each grout spraying bridge microseismic module 9 comprises an arc-shaped support plate 22, a protective sleeve 1501, a seal cover 24, a recovery device 10 and a microseismic sensor 11, one end of the protective sleeve 1501 is connected with the inner wall of the arc-shaped support plate 22, the other end of the protective sleeve 1501 is connected with the seal cover 24, the microseismic sensor 11 is arranged in the protective sleeve 1501 through the recovery device 10, and the microseismic sensor 11 is a one-way sensor. The section of the guniting bridge is not provided with equipment which can continuously and tightly adhere to the wall of the hole, so that a tightening oil cylinder 8 is required to be installed on the section of the guniting bridge, the tightening oil cylinders 8 are four and are uniformly distributed along an annular slide rail 4, the telescopic direction of the telescopic end of the tightening oil cylinder 8 is the radial direction of a TBM (tunnel boring machine) host 101, and a slight-shock module 9 at the guniting bridge at the section of the guniting bridge is jacked to adhere to the wall of the hole by using the tightening oil cylinder 8, so that the quality of monitored slight-shock signals is ensured. Protective sleeve ribs 1502 are disposed between the sidewalls of the protective sleeve 1501 and the arcuate support plate 22.
When the micro-seismic module 2 at the supporting shoe is installed, the recovery device 10 is installed on the micro-seismic sensor 11, then the micro-seismic sensor 11 is installed in the sensor installation hole, the micro-seismic sensor 11 is rotated to enable the recovery device 10 (the recovery device 10 is the prior art, such as the recovery device disclosed in the patent document of application publication No. CN 105818538A) to tightly support the hole wall, the protective cover 12 is installed after fastening, the protective cover 12 is connected to the supporting shoe 102 by using screws, the fixed cylinder part on the inner side of the protective cover 12 is tightly attached to the micro-seismic sensor 11, and the extension cable 16 of the micro-seismic sensor 11 penetrates out of the preformed hole in the protective cover 12 and is connected to the acquisition instrument 17.
The telescopic end of the tensioning oil cylinder 8 is connected with the damper connecting plate 23, the telescopic end of the hydraulic damper 13 is connected with the damper connecting plate 23, the fixed end of the hydraulic damper 13 is connected with the sealing cover 24, the spring 14 is sleeved outside the hydraulic damper 13, and two ends of the spring 14 are respectively abutted against the damper connecting plate 23 and the sealing cover 24.
The hydraulic damper 13 is used for reducing vibration and reducing the influence of mechanical vibration on the microseismic sensor 11 when the TBM works; the spring 14 is used for bearing the pressure of the tensioning oil cylinder 8 and conducting the pressure to the protective sleeve 1501; the protective sleeves 1501 are used for receiving the micro-seismic waves and achieving dustproof sealing, and the protective sleeve rib plates 1502 are used for dispersing pressure to the arc-shaped supporting plates 22 so that the whole arc-shaped supporting plates 22 are attached to the wall of the hole; the recovery device 10 functions to fix the microseismic sensor 11 and to conduct the microseismic waves to the microseismic sensor 11. During installation, the recovery device 10 is installed on the microseismic sensor 11 firstly, then the microseismic sensor 11 and the recovery device 10 are placed into the protective sleeve 1501, the microseismic sensor 11 is rotated to enable the recovery device 10 to tightly support the inner wall of the protective sleeve 1501, the protective sleeve 1501 is connected with the sealing cover 24, the cable 16 penetrates out of a preformed hole on the side of the protective sleeve 1501, the spring 14 is installed on the hydraulic damper 13, the fixed end of the hydraulic damper 13 is connected with the sealing cover 24, the spring 14 is sleeved outside the hydraulic damper 13, two ends of the spring 14 are respectively abutted against the damper connecting plate 23 and the sealing cover 24, the damper connecting plate 23 is connected with the telescopic end of the hydraulic damper 13, and the installation work of the microseismic module 9 at the position of the guniting bridge is completed.
The inner side of the part, connected with the fixed end of the tightening oil cylinder 8, of the annular slide rail 4 is provided with a support leg 21, the support leg 21 is embedded into a slide rail guide groove 103, the slide rail guide groove 103 is arranged on the outer wall of the TBM main machine 101, and the extending direction of the slide rail guide groove 103 is parallel to the axis of the TBM main machine 101. The both sides of supporting leg 21 are provided with can follow the rolling gyro wheel 7 of slide rail guide slot 103, and slide rail guide slot 103 notch department is provided with gyro wheel limiting plate 6.
The both sides of supporting leg 21 are connected with gyro wheel 7 through self-aligning roller bearing, and slide rail guide slot 103 is arranged in to gyro wheel 7, can follow the direction slip of slide rail guide slot 103, uses pulley limiting plate 6 to inject its direction of rolling simultaneously, prevents that gyro wheel 7 from deviating from slide rail guide slot 103. The pulley limiting plate 6 is connected to the notch of the slide rail guide groove 103 through a screw.
The TBM main machine 101 is sleeved with and fixed with a horizontal oil cylinder support ring 104, the horizontal oil cylinders 5 are uniformly distributed along the circumferential direction of the TBM main machine 101, a fixing seat of each horizontal oil cylinder 5 is connected with the horizontal oil cylinder support ring 104, and the telescopic direction of each horizontal oil cylinder 5 is parallel to the axial direction of the TBM main machine 101. Preferably, each tightening cylinder 8 corresponds to two horizontal cylinders 5, and the part of the annular slide rail 4 connected with the fixing seat of the tightening cylinder 8 is connected with the telescopic ends of the corresponding two horizontal cylinders 5. Protective sleeve ribs 1502 are disposed between the sidewalls of the protective sleeve 1501 and the arcuate support plate 22.
In order to prevent the eccentric load from causing the equipment to be quickly worn in long-term work, the central axes of the slight shock module 9, the tightening oil cylinder 8 and the supporting leg 21 at the guniting bridge position are coincided when all the parts at the guniting bridge position are installed, and the central axes are all perpendicular to the central axis of the TBM main machine 101 and intersected with the central axis of the TBM main machine 101. In order to ensure that the process of pushing the horizontal oil cylinders 5 into or pulling the annular slide rail 4 is stable and does not twist, each tensioning oil cylinder 8 corresponds to two horizontal oil cylinders 5, and the part of the annular slide rail 4 connected with the fixed seats of the tensioning oil cylinders 8 is connected with the telescopic ends of the corresponding two horizontal oil cylinders 5. The central shafts of the two horizontal oil cylinders 5 are symmetrically arranged on two sides of the central shaft of the corresponding tightening oil cylinder 8.
The microseismic sensors 11 of the microseismic modules 2 at the four supporting shoes and the microseismic sensors 11 of the microseismic modules 9 at the four guniting bridges are connected to 1 8-channel data acquisition instrument 17, and the 8-channel data acquisition instrument 17 is arranged near the guniting bridge. After the microseismic sensor 11 is installed, the microseismic sensor is connected to a data acquisition instrument 17 through a cable 16; the eight microseismic data collected by the data collector 17 are transmitted to a server 19 on the earth surface through an optical cable 18, and the server 19 transmits the eight microseismic data to a display terminal 20.
A complete TBM tunneling cycle comprises a tunneling stroke and a step change stroke, wherein the step change stroke can be completed within minutes generally, so that the invention mainly focuses on microseismic monitoring in the tunneling stroke.
In the TBM tunneling stroke, the supporting shoe 102 tightly supports the wall of the hole, and the supporting shoe oil cylinder pushes the TBM main machine 101 to move forwards. At the moment, the micro-seismic module 2 at the supporting shoe receives the micro-seismic waves by the close fit of the supporting shoe 102 and the wall of the hole. The micro-seismic module 9 at the guniting bridge is tightly attached to the wall of the hole by means of pressure applied by the supporting oil cylinder 8 and receives micro-seismic waves. The annular slide rail 4 and the roller 7 ensure that the tensioning oil cylinder 8 and the slight shock module 9 at the guniting bridge can move relative to the TBM host 101, and the horizontal oil cylinder 5 controls the moving distance of the annular slide rail 4. When the TBM is tunneled, the tensioning oil cylinder 8 applies sufficient pressure, the telescopic end of the horizontal oil cylinder 5 contracts and moves synchronously with the TBM main machine 101, and the relative stillness of the micro-seismic module 9 and the tunnel wall at the guniting bridge is ensured; and in the TBM step changing stroke, the telescopic end of the tightening oil cylinder 8 contracts, the piston rod of the horizontal oil cylinder 5 extends and resets, then the telescopic end of the tightening oil cylinder 8 extends again to tighten the slight shock module 9 at the guniting bridge onto the wall of the hole, and the process is repeated. In the TBM tunneling process, after the micro-seismic signals received by all the micro-seismic sensors 11 are sent back to the server 19, micro-seismic monitoring software automatically realizes the identification of the micro-seismic signal waveform, filtering and noise reduction, time-of-arrival pickup, positioning and energy calculation; after the step changing stroke is finished, the position coordinates of the micro-seismic module 9 at the guniting bridge and the micro-seismic module 2 at the shoe supporting position are automatically updated according to the moving distance between the shoe supporting 102 and the annular slide rail 4, and the automatic micro-seismic monitoring of the TBM whole process is realized.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides an embedded TBM carries on slight shock monitoring devices, including setting up boots (102) of propping on TBM host computer (101), a serial communication port, it is provided with on boots (102) props boots department slight shock module (2), the cover is equipped with annular slide rail (4) on TBM host computer (101), the stiff end setting of horizontal hydro-cylinder (5) is on TBM host computer (101), the flexible end and annular slide rail (4) of horizontal hydro-cylinder (5) are connected, annular slide rail (4) are connected with the stiff end that props tight hydro-cylinder (8), the flexible end that props tight hydro-cylinder (8) passes through hydraulic damper (13) and is connected with whitewashing bridge department slight shock module (9).
2. The embedded type TBM carrying microseismic monitoring device according to claim 1, wherein the supporting shoe microseismic module (2) comprises a recovery device (10), a microseismic sensor (11) and a protective cover (12), the microseismic sensor (11) is arranged in a sensor mounting hole of the supporting shoe (102) through the recovery device (10), the protective cover (12) is arranged at a hole of the sensor mounting hole of the supporting shoe (102) in a covering manner, and the inner side of the protective cover (12) is connected with the end of the microseismic sensor (11).
3. The embedded type TBM carrying microseismic monitoring device according to claim 1, wherein the plurality of tightening cylinders (8) are uniformly distributed along the annular slide rail (4), and the stretching direction of the stretching end of each tightening cylinder (8) is the radial direction of the TBM main machine (101).
4. The embedded type TBM carrying microseismic monitoring device according to claim 3, wherein the TBM host (101) is fixedly provided with a horizontal cylinder support ring (104) in a sleeved manner, the horizontal cylinders (5) are uniformly distributed along the circumferential direction of the TBM host (101), a fixed seat of each horizontal cylinder (5) is connected with the horizontal cylinder support ring (104), and the telescopic direction of each horizontal cylinder (5) is parallel to the axial direction of the TBM host (101).
5. The embedded type TBM carrying microseism monitoring device according to claim 4, wherein each tightening cylinder (8) corresponds to two horizontal cylinders (5), and the part of the annular slide rail (4) connected with the fixing seat of the tightening cylinder (8) is connected with the telescopic ends of the corresponding two horizontal cylinders (5).
6. The embedded type TBM carrying microseismic monitoring device according to claim 1, wherein a supporting leg (21) is arranged on the inner side of a part, connected with the fixed end of the stretching oil cylinder (8), of the annular sliding rail (4), the supporting leg (21) is embedded into a sliding rail guide groove (103), the sliding rail guide groove (103) is arranged on the outer wall of the TBM main machine (101), and the extending direction of the sliding rail guide groove (103) is parallel to the axis of the TBM main machine (101).
7. The embedded type TBM carrying microseismic monitoring device according to claim 1, wherein rollers (7) capable of rolling along the slide rail guide groove (103) are arranged on two sides of the support leg (21), and a roller limiting plate (6) is arranged at a notch of the slide rail guide groove (103).
8. The embedded type TBM carrying microseismic monitoring device according to claim 1, wherein the microseismic module (9) at the guniting bridge comprises an arc-shaped support plate (22), a protective sleeve (1501), a cover (24), a recovery device (10) and a microseismic sensor (11), one end of the protective sleeve (1501) is connected with the inner wall of the arc-shaped support plate (22), the other end of the protective sleeve (1501) is connected with the cover (24), and the microseismic sensor (11) is arranged in the protective sleeve (1501) through the recovery device (10).
9. The embedded type TBM (tunnel boring machine) carrying microseismic monitoring device as recited in claim 8, wherein the telescopic end of the tensioning oil cylinder (8) is connected with a damper connecting plate (23), the telescopic end of the hydraulic damper (13) is connected with the damper connecting plate (23), the fixed end of the hydraulic damper (13) is connected with a sealing cover (24), a spring (14) is sleeved outside the hydraulic damper (13), and two ends of the spring (14) are respectively abutted against the damper connecting plate (23) and the sealing cover (24).
10. An embedded TBM embarkation microseismic monitoring device according to claim 8 wherein protective sleeve ribs (1502) are arranged between the side wall of the protective sleeve (1501) and the arc-shaped support plate (22).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911368376.7A CN111221033B (en) | 2019-12-26 | 2019-12-26 | Embedded TBM carries on slight shock monitoring devices |
| AU2020102355A AU2020102355A4 (en) | 2019-12-26 | 2020-09-21 | Embedded microseismic monitoring device with tbm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911368376.7A CN111221033B (en) | 2019-12-26 | 2019-12-26 | Embedded TBM carries on slight shock monitoring devices |
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| CN111221033A true CN111221033A (en) | 2020-06-02 |
| CN111221033B CN111221033B (en) | 2021-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415572A (en) * | 2020-10-16 | 2021-02-26 | 山东大学 | Multi-degree-of-freedom bracket of vibration exciting device carried on TBM, vibration exciting device and method |
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| CN114088194A (en) * | 2021-11-15 | 2022-02-25 | 中铁工程装备集团有限公司 | TBM host vibration abnormity self-adaptive judging method and TBM |
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| AU2020102355A4 (en) | 2020-10-29 |
| CN111221033B (en) | 2021-01-29 |
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