CN209820449U - A earth's surface real-time monitoring system for shield constructs construction tunnel - Google Patents
A earth's surface real-time monitoring system for shield constructs construction tunnel Download PDFInfo
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- CN209820449U CN209820449U CN201920689994.0U CN201920689994U CN209820449U CN 209820449 U CN209820449 U CN 209820449U CN 201920689994 U CN201920689994 U CN 201920689994U CN 209820449 U CN209820449 U CN 209820449U
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Abstract
The utility model discloses a real-time earth surface monitoring system for a shield construction tunnel, which is provided with a positioning calibration device and a mobile monitoring device; the method comprises the following steps of (1) attaching a ground surface reflector plate on a road surface above a construction tunnel, attaching a building reflector plate along a street building above the construction tunnel to form a fixed reflection reference point, acquiring a track arranged on the road surface above the construction tunnel by using a measurement camera outside a fixed measurement shell and acquiring a relative position image of the road surface reference point by using a mobile robot, arranging a fixed groove on an installation base, arranging floating liquid in the fixed groove, and arranging a measurement device in the floating liquid in the fixed groove; when the ground subsides or the uplift because of shield construction disturbance produces, the mobile monitoring device produces and subsides or the uplift, and the measuring block is in balanced state under self weight to it is concrete to obtain the measuring block fluctuation, thereby can obtain the earth's surface vibrations condition, reaches the purpose of the earth's surface real-time supervision in construction tunnel, and this device simple structure, measured data are accurate.
Description
Technical Field
The utility model relates to an urban rail transit construction field, concretely relates to earth's surface real-time monitoring system for shield constructs construction tunnel.
Background
At present, urban rail transit construction in China enters a great development period. A big city with more than one million people in China urgently needs to build a perfect underground traffic network so as to relieve the condition of ground traffic jam. Subways open up the era of using underground space by human beings and reduce ground traffic pressure, and have become the main form of infrastructure of the 21 st century Chinese cities. In the construction method of the subway tunnel, shield construction has the advantages of high speed, high efficiency, high quality and the like, and becomes a preferred construction method for subway construction. In the shield construction process, the cutter head can disturb surrounding strata to cause surface uplift or settlement, so that ground buildings and pipelines are endangered. The shield construction can control the earth surface change by adjusting the earth cabin pressure and the grouting amount, but the earth surface change information cannot be obtained in time, so that the earth cabin pressure and the grouting amount cannot be adjusted in time, the safety of ground surface buildings, roads and underground pipelines cannot be guaranteed, and no earth surface change data monitoring device is provided at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a earth's surface real-time monitoring system for shield constructs construction tunnel to overcome prior art not enough.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a real-time earth surface monitoring system for a shield construction tunnel comprises a positioning calibration device and a mobile monitoring device;
the positioning calibration device comprises a ground surface calibration point and a building calibration point; the ground surface positioning points comprise ground surface reflection sheets attached to the road surface above the construction tunnel, and the building positioning points comprise building reflection sheets attached to buildings above the construction tunnel along the street;
the mobile monitoring device comprises a mobile robot and a track fixed on a road surface above the construction tunnel, the mobile robot comprises a mobile shell and a measuring device arranged in the mobile shell, the measuring device is connected with a power supply device, the lower end of the mobile shell is provided with a mobile wheel matched with the track to slide, the mobile shell is internally provided with an installation base, a controller and a wireless transmission module connected with the controller, the installation base is provided with a fixed groove, floating liquid is arranged in the fixed groove, and the measuring device is arranged in the floating liquid in the fixed groove;
the measuring device comprises a measuring shell and a guide rod vertically arranged in the measuring shell, a measuring block capable of sliding up and down along the guide rod is sleeved on the guide rod, an upper polar plate and a lower polar plate are respectively arranged at the upper end and the lower end of the measuring shell, and the measuring block is provided with negative charges; a measuring camera connected with the controller is fixed on the outer side of the measuring shell; the measuring camera and the measuring shell are fixed into a whole.
Furthermore, the earth surface calibration point comprises an earth surface detection rod, a ball cap with the diameter larger than that of the landmark detection rod is arranged at the upper end of the earth surface detection rod, a reflection sheet is attached to the ball cap, the earth surface detection rod is buried in the ground above the construction tunnel, and the lower surface of the ball cap is in contact with the ground surface.
Further, the measuring shell adopts a transparent shell.
Further, the guide rod is made of an insulator.
Furthermore, the earth surface fixed points and the building fixed points are provided with monitoring point numbers.
Furthermore, a first measuring camera, a second measuring camera and a third measuring camera are fixed on the outer side of the measuring shell; the first measuring camera and the second measuring camera are horizontally arranged and are used for acquiring image information of earth surface reflectors and building reflectors on two sides above the construction tunnel, and the directions of the first measuring camera and the second measuring camera are opposite; the third measurement camera lens is aligned with the measurement block position.
Further, the track is fixed in construction tunnel top road surface through the support frame, and the support frame upper end is equipped with the crossbeam that is used for the fixed track, and the support frame lower extreme is fixed with the fixed block, and the fixed block is fixed in ground through rag bolt.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model relates to a real-time earth surface monitoring system for a shield construction tunnel, which is provided with a positioning calibration device and a mobile monitoring device; the method comprises the following steps of (1) attaching a ground surface reflector on a road surface above a construction tunnel, attaching a building reflector along a street building above the construction tunnel to form a fixed reflection reference point, acquiring a track arranged on the road surface above the construction tunnel by using a measurement camera outside a fixed measurement shell and acquiring a relative position image of the road surface reference point by using a mobile robot, arranging an installation base, a controller and a wireless transmission module connected with the controller in the mobile shell, arranging a fixed groove on the installation base, arranging floating liquid in the fixed groove, and arranging a measuring device in the floating liquid in the fixed groove; when the ground subsides or the uplift because of shield construction disturbance produces, the mobile monitoring device produces and subsides or the uplift, and the measuring block is in balanced state under self weight to it is concrete to obtain the measuring block fluctuation, thereby can obtain the earth's surface vibrations condition, reaches the purpose of the earth's surface real-time supervision in construction tunnel, this device simple structure.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
Fig. 2 is a schematic diagram of the track of the present invention.
Fig. 3 is a schematic view of the three-dimensional structure of the mobile monitoring device of the present invention.
Fig. 4 is a schematic view of the driving device and the base of the present invention.
Fig. 5 is a schematic view of the measuring device of the present invention.
Fig. 6 is a schematic view of the earth's surface monitoring point of the present invention.
Fig. 7 is a schematic view of the building monitoring point of the present invention.
In the figure, 1-ground surface calibration point, 2-building object calibration point, 3-ground surface detection rod, 4-spherical cap, 5-ground surface reflector, 6-monitoring point number, 7-rail, 8-support frame, 9-anchor bolt, 10-fixed block, 11-building reflector, 12-measuring device, 13-mobile robot, 14-power supply device, 15-installation base, 16-mobile wheel, 17-mobile shell, 18-fixed groove, 19-floating liquid, 20-measuring shell, 21-upper polar plate, 22-lower polar plate, 23-guide rod, 24-measuring block, 25-first measuring camera, 26-second measuring camera and 27-third measuring camera.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1 to 7, a real-time earth surface monitoring system for a shield construction tunnel comprises a positioning calibration device and a mobile monitoring device,
the positioning and calibrating device comprises a ground surface calibrating point 1 and a building calibrating point 2, the ground surface calibrating point 1 comprises a ground surface detection rod 3, a ball cap 4 with the diameter larger than that of the ground surface detection rod is arranged at the upper end of the ground surface detection rod 3, a ground surface reflector 5 is attached to the ball cap 4, the ground surface detection rod 3 is buried in the ground above the construction tunnel, and the lower surface of the ball cap 4 is in contact with the ground surface; the building fixed point 2 comprises a building reflector 5 attached to a building along the street above the construction tunnel; monitoring point numbers are arranged on the surface marking point 1 and the building marking point 2;
the mobile monitoring device comprises a mobile robot 13 and a track 7 fixed on a road surface above a construction tunnel, the mobile robot 13 comprises a mobile shell 17, a measuring device 12 and a power supply device 14, the measuring device 12 and the power supply device 14 are arranged in the mobile shell 17, a mobile wheel 16 matched with the track 7 to slide is arranged at the lower end of the mobile shell 17, an installation base 15 is arranged in the mobile shell 17, a fixed groove 18 is arranged on the installation base 15, floating liquid is arranged in the fixed groove 18, and the measuring device 12 is arranged in the floating liquid in the fixed groove 18; the floating liquid can enable the measuring device to float and be in a horizontal state; the power supply device 14 supplies electric energy to the measuring device;
the measuring device 12 comprises a measuring shell 20 and a guide rod 23 vertically arranged in the measuring shell 20, a measuring block 24 capable of sliding up and down along the guide rod 23 is sleeved on the guide rod 23, an upper pole plate 21 and a lower pole plate 22 are respectively arranged at the upper end and the lower end of the measuring shell 20, and the measuring block 24 is provided with negative charges; a measuring camera is fixed on the outer side of the measuring shell 20 and used for acquiring image information on the outer side of the measuring device 12; the measuring camera is fixed integrally with the measuring housing 20;
a first measuring camera 25, a second measuring camera 26 and a third measuring camera 27 are fixed on the outer side of the measuring shell 20; the first measuring camera 25 and the second measuring camera 26 are both horizontally arranged, and the first measuring camera 25 and the second measuring camera 26 are oppositely oriented; the lens of the third measuring camera 27 is aligned with the position of the measuring block and is used for obtaining a moving image of the measuring block 24;
the measuring shell 20 adopts a transparent shell; the guide rod 23 adopts an insulator, and two ends of the guide rod are respectively fixed with the upper polar plate and the lower polar plate, so that the influence on the guide block is avoided; the upper polar plate 21 and the lower polar plate 22 are both connected to a power supply device, and the power supply device provides power and can adjust the power supply voltage of the upper polar plate 21 and the lower polar plate 22;
the tunnel is drilled into the ground above the construction tunnel, the earth surface monitoring rod 3 is inserted, the depth of the tunnel is greater than the length of the earth surface monitoring rod 3, the bottom of the ball cap is flush with the road surface, the side surface of the ball cap is pasted with a reflector plate, then the tunnel is filled with cement mortar, the stability of the earth surface detecting rod is ensured, and monitoring point numbers are marked near the earth surface monitoring points.
Building monitoring points are arranged on the wall surface of the buildings along the street above the construction tunnel, the arrangement method of the monitoring points is to paste a reflector on the wall surface, and monitoring point numbers are marked near the building monitoring points by using spray paint.
The track 7 is fixed on the road surface above the construction tunnel through a support frame, a cross beam for fixing the track 7 is arranged at the upper end of the support frame, a fixing block 10 is fixed at the lower end of the support frame, and the fixing block 10 is fixed on the ground through foundation bolts 9;
the controller is used for acquiring a measurement picture of the measurement camera and sending the measurement picture to an external control center through the wireless transmission module;
the structure principle and the using steps of the present invention are further explained with the attached drawings as follows:
erecting a track on the ground above a construction tunnel, installing a mobile robot on the track, electrifying an upper polar plate 21 and a lower polar plate 22, connecting the upper polar plate with the positive pole of a power supply, and connecting the lower polar plate with the negative pole of the power supply; adjusting the voltage of an electrode plate to be matched with a frame rod, hovering a measuring block 24 with negative electricity at the middle position of an insulating rod, balancing a copper cube by upward electric field force and gravity, acquiring a datum point elevation mark A through a first measuring camera 25, then controlling a mobile robot 13 to move along a track, acquiring image information of ground surface fixed points 1 and building object fixed points 2 on two sides of the track through the first measuring camera 25 and a second measuring camera 26, acquiring a measuring picture of the measuring camera by a controller, sending the measuring picture to an external control center through a wireless transmission module, reading a monitoring point number and monitoring point elevation information in the image by the external control center, and marking the monitoring point elevation information as P; the ground subsides or bulges due to the disturbance of shield construction, the mobile monitoring device subsides or bulges, the measuring block 24 is in a balanced state under the self weight, the measuring block 24 and the measuring shell 20 move relatively, and the third measuring camera 27 monitors the movement information of the measuring block 24 in real time and records the information as B; the measuring block 24 is moved upwards relative to the measuring housing 20, B being negative; the block 24 is moved downward relative to the housing 20, and B is positive, at which point the corrected elevation H of the monitored site isTP + B, T is the specific measurement time; rate of change of monitor point V ═ HT—HT-i) And/i, i is a time interval. The controller transmits the monitored image information to the control center in real time; analyzing the measurement image, and sending an instruction for adjusting the pressure and grouting amount of the soil cabin to the shield machine; and then the monitoring points generate settlement or swelling due to the change of the construction parameters, the network control center continuously obtains the change information of the monitoring points and continuously sends an adjusting instruction to the shield machine until the monitoring points are stable.
Claims (8)
1. A real-time earth surface monitoring system for a shield construction tunnel is characterized by comprising a positioning calibration device and a mobile monitoring device;
the positioning and calibrating device comprises a ground surface calibrating point (1) and a building calibrating point (2); the ground surface positioning point (1) comprises a ground surface reflection sheet (5) attached to a road surface above the construction tunnel, and the building positioning point (2) comprises a building reflection sheet (11) attached to a building along the street above the construction tunnel;
the mobile monitoring device comprises a mobile robot (13) and a track (7) fixed on a road surface above a construction tunnel, the mobile robot (13) comprises a mobile shell (17) and a measuring device (12) arranged in the mobile shell (17), the measuring device (12) is connected with a power supply device (14), the lower end of the mobile shell (17) is provided with a mobile wheel (16) which is matched with the track (7) to slide, an installation base (15), a controller and a wireless transmission module connected with the controller are arranged in the mobile shell (17), a fixed groove (18) is formed in the installation base (15), floating liquid is arranged in the fixed groove (18), and the measuring device (12) is arranged in the floating liquid in the fixed groove (18);
the measuring device (12) comprises a measuring shell (20) and a guide rod (23) vertically arranged in the measuring shell (20), a measuring block (24) capable of sliding up and down along the guide rod (23) is sleeved on the guide rod (23), an upper polar plate (21) and a lower polar plate (22) are respectively arranged at the upper end and the lower end of the measuring shell (20), and the measuring block (24) is provided with negative charges; a measuring camera connected with a controller is fixed on the outer side of the measuring shell (20); the measuring camera is fixed integrally with the measuring housing (20).
2. The real-time earth surface monitoring system for the shield construction tunnel according to claim 1, wherein the earth surface calibration point (1) comprises an earth surface detection rod (3), a spherical cap (4) with a diameter larger than that of the landmark detection rod is arranged at the upper end of the earth surface detection rod (3), a reflector (5) is attached to the spherical cap (4), the earth surface detection rod (3) is buried in the ground above the construction tunnel, and the lower surface of the spherical cap (4) is in contact with the ground surface.
3. The real-time earth surface monitoring system for the shield construction tunnel according to claim 1, characterized in that the measuring shell (20) adopts a transparent shell.
4. The real-time earth surface monitoring system for the shield construction tunnel according to claim 1, wherein the guide rod (23) is made of an insulator.
5. The real-time earth surface monitoring system for the shield construction tunnel according to claim 1, wherein two ends of the guide rod (23) are respectively fixed with the upper polar plate (21) and the lower polar plate (22).
6. The real-time earth surface monitoring system for the shield construction tunnel according to claim 1, wherein monitoring point numbers are arranged on the earth surface index point (1) and the building index point (2).
7. The real-time earth surface monitoring system for the shield construction tunnel according to claim 1, characterized in that a first measuring camera (25), a second measuring camera (26) and a third measuring camera (27) are fixed outside the measuring shell (20); the first measuring camera (25) and the second measuring camera (26) are horizontally arranged, the first measuring camera (25) and the second measuring camera (26) are used for acquiring image information of ground surface reflection sheets (5) and building reflection sheets (11) on two sides above the construction tunnel, and the first measuring camera (25) and the second measuring camera (26) are opposite in direction; the third measuring camera (27) is aligned with the measuring block position.
8. The real-time earth surface monitoring system for the shield construction tunnel according to claim 1, wherein the rail (7) is fixed on the road surface above the construction tunnel through a support frame, a cross beam for fixing the rail (7) is arranged at the upper end of the support frame, a fixing block (10) is fixed at the lower end of the support frame, and the fixing block (10) is fixed on the ground through foundation bolts (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689994.0U CN209820449U (en) | 2019-05-14 | 2019-05-14 | A earth's surface real-time monitoring system for shield constructs construction tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689994.0U CN209820449U (en) | 2019-05-14 | 2019-05-14 | A earth's surface real-time monitoring system for shield constructs construction tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN209820449U true CN209820449U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920689994.0U Expired - Fee Related CN209820449U (en) | 2019-05-14 | 2019-05-14 | A earth's surface real-time monitoring system for shield constructs construction tunnel |
Country Status (1)
| Country | Link |
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| CN (1) | CN209820449U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081857A (en) * | 2019-05-14 | 2019-08-02 | 长安大学 | A kind of earth's surface real-time monitoring system and monitoring method for shield-tunneling construction tunnel |
| CN113586064A (en) * | 2021-08-17 | 2021-11-02 | 中铁十五局集团有限公司 | Subway shield constructs construction risk real-time supervision and calamity early warning device |
-
2019
- 2019-05-14 CN CN201920689994.0U patent/CN209820449U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081857A (en) * | 2019-05-14 | 2019-08-02 | 长安大学 | A kind of earth's surface real-time monitoring system and monitoring method for shield-tunneling construction tunnel |
| CN110081857B (en) * | 2019-05-14 | 2024-04-12 | 长安大学 | Ground surface real-time monitoring system and monitoring method for shield construction tunnel |
| CN113586064A (en) * | 2021-08-17 | 2021-11-02 | 中铁十五局集团有限公司 | Subway shield constructs construction risk real-time supervision and calamity early warning device |
| CN113586064B (en) * | 2021-08-17 | 2023-06-06 | 中铁十五局集团有限公司 | Subway shield constructs construction risk real-time supervision and calamity early warning device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20200514 |