CN117308875B - Tunnel address area settlement deep hole monitoring device and monitoring method - Google Patents
Tunnel address area settlement deep hole monitoring device and monitoring method Download PDFInfo
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- CN117308875B CN117308875B CN202311595180.8A CN202311595180A CN117308875B CN 117308875 B CN117308875 B CN 117308875B CN 202311595180 A CN202311595180 A CN 202311595180A CN 117308875 B CN117308875 B CN 117308875B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004062 sedimentation Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 238000006073 displacement reaction Methods 0.000 claims abstract description 33
- 238000012545 processing Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000011835 investigation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
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- 239000010959 steel Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention belongs to the technical field of settlement monitoring, and particularly relates to a device and a method for monitoring settlement deep holes in a tunnel address area. The monitoring device includes: the sedimentation sensing mechanism is rotatably provided with a built-in movable pulley; the sedimentation sensing mechanism further comprises a rotation sensor, wherein the rotation sensor is used for detecting the rotation angle quantity of the built-in movable pulley; the fixed pulley of the orifice is sleeved with a pulley fixing frame; the tension spring and the pull rope are arranged in the sedimentation sensing mechanism, one end of the tension spring is fixed on the pulley fixing frame, the other end of the tension spring is connected with one end of the pull rope, and the pull rope bypasses the built-in movable pulley and the orifice fixed pulley in the sedimentation sensing mechanism; the other end of the stay rope is connected to the ground base station; the surface base station is internally provided with a displacement electric signal processor, a program is preset in the displacement electric signal processor, and the displacement electric signal processor brings the rotation angle into the program to calculate and obtain the sedimentation value of the deep hole bottom. The method provides effective tunnel bottom settlement monitoring and has high detection precision.
Description
Technical Field
The invention belongs to the technical field of settlement monitoring, and particularly relates to a device and a method for monitoring settlement deep holes in a tunnel address area.
Background
With the continuous development of coal mine resources in China, newly built tunnel projects are increasingly increased in goafs. The geological condition of the coal mine goaf is complex, the stratum is loose, the underground water level is high, and the problem of settlement easily occurs in the construction process of a newly built tunnel. The conventional tunnel underlying goaf treatment mode is pre-grouting treatment, and meanwhile, the monitoring of vault and ground surface subsidence in the tunnel is assisted, so that an effective means for monitoring tunnel bottom subsidence is lacking. The conventional tunnel has certain hysteresis in earth surface settlement observation, in-tunnel settlement and convergence monitoring, and the hysteresis tends to cause short tunnel settlement early warning time, hidden danger cannot be removed in time, and larger economic loss and casualties are easily caused. In order to solve the problem, the tunnel bottom settlement condition of the tunnel address area needs to be monitored in real time, and scientific basis is provided for tunnel design and construction.
Because the tunnel bottom is often deep into tens or hundreds of meters underground, and the goaf stratum has a caving zone, the association of the underground stress and the surface stress is complex, and the underground stress and the surface stress cannot be confirmed by finite element software simulation.
Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a tunnel address area settlement deep hole monitoring device and a tunnel address area settlement deep hole monitoring method, which at least solve the problems in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
a tunnel site area settlement deep hole monitoring device, the monitoring device comprising:
the sedimentation sensing mechanism is arranged at the bottom of a hole in the deep hole, and the bottom of the deep hole and the bottom of the tunnel are at the same height; the sedimentation sensing mechanism is rotatably provided with a built-in movable pulley; the sedimentation sensing mechanism further comprises a rotation sensor, wherein the rotation sensor is used for detecting the rotation angle quantity of the built-in movable pulley;
the orifice fixed pulley is arranged at the orifice position of the deep hole, and a pulley fixing frame is sleeved on the periphery of the orifice fixed pulley;
the earth surface base station is arranged on the earth surface;
the device comprises a tensioning spring and a pull rope, wherein one end of the tensioning spring is fixed on a pulley fixing frame, the other end of the tensioning spring is connected with one end of the pull rope, the pull rope bypasses a built-in movable pulley and an orifice fixed pulley in a settlement sensing mechanism, the other end of the pull rope is connected to a ground surface base station, the tensioning spring is used for providing tensioning force for the pull rope, and the pull rope is in a tensioning state;
the earth surface base station is used for receiving, calculating and transmitting the rotation angle quantity measured by the sedimentation sensing mechanism; a displacement electric signal processor is arranged in the earth surface base station and is used for receiving the rotation angle quantity measured by the rotation sensor, a program is preset in the displacement electric signal processor, and the displacement electric signal processor brings the rotation angle quantity into the program to calculate and obtain a sedimentation value of the bottom of the deep hole; after the sedimentation value is obtained, the displacement electrical signal processor converts the sedimentation value into an electrical signal.
In the tunnel address area settlement deep hole monitoring device, preferably, a reserved connection rope is arranged on the built-in movable pulley; the stay cord is provided with two sections, and two sections stay cords are connected at the both ends of reserving the connection rope respectively.
In the tunnel address area settlement deep hole monitoring device, preferably, a data processing core is further arranged in the ground surface base station, a signal transmission unit is arranged in the data processing core, and the data processing core is electrically connected with the displacement electric signal processor;
the displacement electric signal processor is used for transmitting the electric signal to the data processing core, and the data processing core transmits the sedimentation value to the terminal equipment through the signal transmission unit.
Preferably, the monitoring device further comprises a ground surface fixed pulley, wherein the ground surface fixed pulley is arranged between the orifice fixed pulley and the ground surface base station, and a pull rope bypassing the orifice fixed pulley passes through the ground surface fixed pulley and then is connected with the ground surface base station.
In the tunnel address area settlement deep hole monitoring device, preferably, a satellite navigation device is further arranged in the settlement sensing mechanism, and the satellite navigation device is used for providing positioning information of the settlement sensing mechanism.
According to the tunnel address area settlement deep hole monitoring device, preferably, the settlement sensing mechanism is further provided with a camera, and the camera is used for observing bottoming conditions of the settlement sensing mechanism.
The application also provides a tunnel address area settlement deep hole monitoring method, which uses the tunnel address area settlement deep hole monitoring device, and comprises the following steps:
step 1, a deep hole is drilled to the tunnel bottom elevation designed by a tunnel, and an earth surface base station and an earth surface fixed pulley are installed on the earth surface;
step 2, connecting a pull rope with a reserved connecting rope in the sedimentation sensing mechanism;
step 3, connecting the stay cord with the ground base station after bypassing the orifice fixed pulley and the ground fixed pulley;
step 4, debugging the terminal equipment, and enabling the terminal equipment to be in data communication with the ground base station through signals;
step 5, earth surface displacement test, namely pulling the pull rope on the earth surface for a plurality of times to test the sensitivity of the sedimentation sensing mechanism and check the condition of receiving the sedimentation value by the terminal equipment;
step 6, after the earth surface test is correct, the sedimentation sensing mechanism is lowered into the deep hole, and the bottoming condition of the sedimentation sensing mechanism is judged through the tension state of the stay cord and the camera; after the sedimentation sensing mechanism bottoms out, the orifice fixed pulley is fixed at the orifice position of the deep hole.
The beneficial effects are that:
the tunnel address area settlement deep hole monitoring device can effectively start settlement monitoring on the position of the underlying goaf in the tunnel investigation stage, monitor the surrounding geological environment change of the tunnel in real time, and provide scientific basis for tunnel design and construction. The invention adopts the wireless signal transmission technology, avoids the problem of loss of long-distance signal transmission, and has higher observation precision and stability.
The permanent settlement observation points are distributed near the tunnel, so that the labor intensity can be properly reduced in the whole engineering process, the timeliness of data acquisition is enhanced, effective tunnel bottom settlement monitoring can be provided even after traffic operation, the working efficiency is greatly improved, the settlement early warning time is prolonged, and the collapse risk caused by tunnel bottom settlement can be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. Wherein:
fig. 1 is a schematic structural diagram of a tunnel address area settlement deep hole monitoring device according to an embodiment of the invention.
In the figure: 1. a terminal device; 2. a ground base station; 21. a data processing core; 22. a displacement electric signal processor; 3. a surface fixed pulley; 4. an orifice fixed pulley; 5. a pull rope; 6. a sedimentation sensing mechanism; 61. a rotation sensor; 7. a spring; 8. deep holes.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
The invention will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
According to an embodiment of the present invention, as shown in fig. 1, the present invention provides a device for monitoring settlement deep holes in a tunnel address area, the device comprising:
the sedimentation sensing mechanism 6 is arranged at the bottom of the deep hole 8, and the bottom of the deep hole 8 and the bottom of the tunnel are at the same height; the sedimentation sensing mechanism 6 is rotatably provided with a built-in movable pulley; the settlement sensing mechanism further includes a rotation sensor 61, and the rotation sensor 61 is used for detecting the rotation angle amount of the built-in movable pulley.
And the orifice fixed pulley 4 is arranged at the orifice position of the deep hole 8, and a pulley fixing frame is sleeved on the periphery of the orifice fixed pulley 4.
The earth's surface base station 2, the earth's surface base station 2 is disposed on the earth's surface.
Tensioning spring 7 and stay cord 5, tensioning spring 7's one end is fixed on the pulley mount, and tensioning spring 7's the other end is connected with the one end of stay cord 5, and built-in movable pulley and drill way fixed pulley 4 in subsidence sensing mechanism 6 are walked around to stay cord 5, and on the earth's surface basic station 2 was connected to the other end of stay cord 5, tensioning spring 7 was used for providing the tensioning force for stay cord 5, and stay cord 5 is in the tensioning state.
The earth surface base station 2 is used for receiving, calculating and transmitting the rotation angle measured by the sedimentation sensing mechanism 6; a displacement electric signal processor 22 is arranged in the earth surface base station 2, the displacement electric signal processor 22 is used for taking the received rotation angle measured by the rotation sensor 61, a program is preset in the displacement electric signal processor 22, and the displacement electric signal processor brings the rotation angle into the program to calculate and obtain the sedimentation value of the deep hole bottom; after the sedimentation value is obtained, the displacement electrical signal processor converts the sedimentation value into an electrical signal.
In this embodiment, the procedure is a prior art, and will not be described here again; specifically, the program calculation process is as follows: after the rotation angle measured by the rotation sensor 61 is transmitted to the displacement electric signal processor 22, the rotation angle is divided by 360 degrees, and the circumference of the built-in movable pulley is multiplied, namely, the movement value of the pull rope 5 is obtained, and the movement value of the pull rope 5 is divided by 2, namely, the actual sedimentation value of the bottom of the deep hole 8 is obtained.
In the monitoring device, when the hole bottom of the deep hole 8 is settled, the settlement sensing mechanism 6 moves along with the hole bottom, so that the stay rope 5 with certain tension rotates around the fixed pulley in the settlement sensing mechanism 6, the settlement sensing mechanism 6 is connected with the ground surface base station 2 through a signal line, and the rotation angle quantity detected by the settlement sensing mechanism 6 can be timely transmitted to the ground surface base station 2; because the stay cord 5 bypasses a built-in movable pulley, that is, the moving distance of the stay cord 5 is 2 times of the moving distance of the sedimentation sensing mechanism 6; therefore, the actual displacement value of the pull rope 5 is divided by 2 to obtain the actual sedimentation value of the bottom of the deep hole 8.
In an embodiment of the application, a plurality of deep holes 8 are drilled on the ground surface, a monitoring device is arranged in each deep hole 8 to serve as a ground surface monitoring point, settlement conditions of tunnel bottom positions of tunnels are directly observed and monitored through sensors and a visual platform of the monitoring device, and theoretical basis is provided for investigation, design and construction of the tunnels.
In the embodiment, an orifice fixing frame is arranged at the orifice of the deep hole 8, and after the sedimentation sensing mechanism 6 falls to the bottom of the deep hole 8, a pulley fixing frame of the orifice fixed pulley 4 is fixed on the orifice fixing frame through a bolt; in other embodiments, the pulley mount may also be welded directly to the orifice mount.
In one embodiment of the present application, the movement value of the pull rope 5 can be calculated by knowing the diameter of the built-in movable pulley according to the rotation angle of the built-in movable pulley measured by the rotation sensor 61; specifically, the rotation angle value measured by the rotation sensor 61 is divided by 360 degrees, and multiplied by the circumference of the built-in movable pulley, namely, the movement value of the pull rope 5 is obtained, and the movement value of the pull rope 5 is divided by 2, namely, the actual sedimentation value of the bottom of the deep hole 8 is obtained.
A reserved connecting rope is arranged on the built-in movable pulley; the stay cord 5 is provided with two sections, and two sections of stay cords 5 are connected at the both ends of reserving the connection rope respectively.
In one embodiment of the present application, there is a large error with a common built-in movable pulley because the sedimentation value is not too large; in this application, the movable pulley is built in the settlement sensing mechanism 6, and a reserved connection rope is arranged on the built-in movable pulley, and meanwhile, the high-precision rotation sensor 61 is matched, so that the accuracy of the monitoring device is guaranteed.
In one embodiment of the application, one end of the tensioning spring 7 is connected to the pulley fixing frame, and the other end is connected with the end of the pull rope 5; in other embodiments, the tension spring 7 may also be connected between the surface base station 2 and the pull cord 5; the tension spring 7 provides tension for the pull rope 5, so that the pull rope 5 is always in a tension state, the tension degree of the pull rope 5 is always kept unchanged, and the moving value of the pull rope 5 is a displacement value under the condition that the tension degree of the pull rope 5 is unchanged.
When the bottom of the deep hole 8 is settled, the pull rope 5 in a tensioning state is more accurate in displacement, so that the measurement value of the settlement sensing mechanism 6 is more accurate. In this embodiment, the pull rope 5 is a steel wire rope, and the steel wire rope has enough structural strength; in other embodiments, the pull cord 5 may be a cord made of other materials such as nylon cord.
In one embodiment of the present application, the displacement electrical signal processor 22 is configured to receive and calculate the rotation angle measured by the rotation sensor 61, so as to calculate the actual sedimentation value of the bottom of the deep hole 8; the displacement electrical signal processor 22 converts the sedimentation value into an electrical signal and transmits it to the data processing core 21.
The surface base station 2 is also provided with a data processing core 21, the data processing core 21 is provided with a signal transmission unit, and the data processing core 21 is electrically connected with a displacement electric signal processor 22.
The displacement electric signal processor 22 is used for transmitting the electric signal to the data processing core 21, and the data processing core 21 transmits the sedimentation value to the terminal device 1 through the signal transmission unit.
The ground surface base station 2 is also provided with a fixed instrument panel, which is electrically connected with the data processing core 21 and is used for displaying sedimentation values.
In an embodiment of the application, the terminal device 1 can be portable devices such as a notebook computer or a mobile phone, and the terminal device 1 is in data communication with the ground surface base station 2 through 4G/5G signals, so that the ground surface base station 2 can transmit the sedimentation value to the terminal device 1 more conveniently, and the tunnel bottom sedimentation condition can be monitored by workers more conveniently in real time.
The monitoring device further comprises a surface fixed pulley 3, wherein the surface fixed pulley 3 is arranged between the orifice fixed pulley 4 and the surface base station 2, and a pull rope 5 which bypasses the orifice fixed pulley 4 passes through the surface fixed pulley 3 and then is connected with the surface base station.
In one embodiment of the application, a surface crown block 3 is arranged between the orifice crown block 4 and the surface base station 2, which surface crown block 3 acts as a support for the pull rope 5, so that the pull rope 5 is tensioned to a certain extent.
The sedimentation sensing mechanism 6 is also provided with a satellite navigation device, and the satellite navigation device is used for providing positioning information of the sedimentation sensing mechanism 6.
In an embodiment of the present application, a satellite navigation device, namely a GNSS device, can provide positioning information of accurate sedimentation sensing mechanisms 6, provides a more accurate position of a tunnel bottom, and a plurality of sedimentation sensing mechanisms 6 can reflect different position conditions of the sedimentation sensing mechanisms in a tunnel, so as to provide theoretical basis for investigation, design and construction of the tunnel.
Still be provided with the camera in subsidence sensing mechanism 6, the camera is used for observing the bottoming condition of subsidence sensing mechanism 6.
In one embodiment of the present application, the pull rope 5 and the camera are mutually matched to judge the actual bottom falling condition of the sedimentation sensing mechanism 6. In the present embodiment, the rotation sensor 61, the GNSS device and the camera in the sedimentation sensing mechanism 6 are integrally connected through an integrated circuit.
The application also provides a tunnel address area settlement deep hole monitoring method, which uses the tunnel address area settlement deep hole monitoring device, and comprises the following steps:
step 1, a deep hole 8 is drilled to the tunnel bottom elevation designed by a tunnel, and an earth surface base station 2 and an earth surface fixed pulley 3 are installed on the earth surface;
step 2, connecting a pull rope 5 with a reserved connecting rope in a sedimentation sensing mechanism 6;
step 3, connecting the stay cord 5 with the ground base station 2 after bypassing the orifice fixed pulley 4 and the ground fixed pulley 3;
step 4, debugging the terminal equipment 1, and enabling the terminal equipment 1 to be in data communication with the ground base station 2 through signals;
step 5, earth surface displacement test, namely pulling the pull rope 5 on the earth surface for a plurality of times to test the sensitivity of the sedimentation sensing mechanism 6 and check the condition that the terminal equipment 1 receives the sedimentation value;
step 6, after the earth surface test is correct, the sedimentation sensing mechanism 6 is lowered into the deep hole 8, and the bottoming condition of the sedimentation sensing mechanism 6 is judged through the tension state of the pull rope 5 and the camera; after the sedimentation sensing mechanism 6 bottoms out, the orifice fixed pulley 4 is fixed at the orifice position of the deep hole 8. The orifice fixed pulley 4 is fixed to ensure that no reading errors are generated due to pulley displacement.
It is to be understood that the above description is exemplary only and that the embodiments of the present application are not limited thereto.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A tunnel address area settlement deep hole monitoring device, characterized in that the monitoring device comprises:
the sedimentation sensing mechanism is arranged at the bottom of a hole in the deep hole, and the bottom of the deep hole and the bottom of the tunnel are at the same height; the sedimentation sensing mechanism is rotatably provided with a built-in movable pulley; the sedimentation sensing mechanism further comprises a rotation sensor, wherein the rotation sensor is used for detecting the rotation angle quantity of the built-in movable pulley;
the orifice fixed pulley is arranged at the orifice position of the deep hole, and a pulley fixing frame is sleeved on the periphery of the orifice fixed pulley;
the earth surface base station is arranged on the earth surface;
the device comprises a tensioning spring and a pull rope, wherein one end of the tensioning spring is fixed on a pulley fixing frame, the other end of the tensioning spring is connected with one end of the pull rope, the pull rope bypasses a built-in movable pulley and an orifice fixed pulley in a settlement sensing mechanism, the other end of the pull rope is connected to a ground surface base station, the tensioning spring is used for providing tensioning force for the pull rope, and the pull rope is in a tensioning state;
the earth surface base station is used for receiving, calculating and transmitting the rotation angle quantity measured by the sedimentation sensing mechanism; a displacement electric signal processor is arranged in the earth surface base station and is used for receiving the rotation angle quantity measured by the rotation sensor, a program is preset in the displacement electric signal processor, and the displacement electric signal processor brings the rotation angle quantity into the program to calculate and obtain a sedimentation value of the bottom of the deep hole; after the sedimentation value is obtained, the displacement electrical signal processor converts the sedimentation value into an electrical signal.
2. The tunnel address area settlement deep hole monitoring device according to claim 1, wherein a reserved connection rope is arranged on the built-in movable pulley; the stay cord is provided with two sections, and two sections stay cords are connected at the both ends of reserving the connection rope respectively.
3. The tunnel address area settlement deep hole monitoring device according to claim 2, wherein a data processing core is further arranged in the ground surface base station, a signal transmission unit is arranged in the data processing core, and the data processing core is electrically connected with a displacement electric signal processor;
the displacement electric signal processor is used for transmitting the electric signal to the data processing core, and the data processing core transmits the sedimentation value to the terminal equipment through the signal transmission unit.
4. A tunnel site area settlement deep hole monitoring device as claimed in claim 3, further comprising a surface fixed pulley arranged between the orifice fixed pulley and the surface base station, wherein a pull rope bypassing the orifice fixed pulley passes through the surface fixed pulley and then is connected with the surface base station.
5. The tunnel address area settlement deep hole monitoring device according to claim 4, wherein the settlement sensing mechanism is further provided with a satellite navigation device, and the satellite navigation device is used for providing positioning information of the settlement sensing mechanism.
6. The tunnel address area settlement deep hole monitoring device according to claim 5, wherein a camera is further arranged in the settlement sensing mechanism and is used for observing bottoming conditions of the settlement sensing mechanism.
7. A tunnel site area settlement deep hole monitoring method using the tunnel site area settlement deep hole monitoring device according to claim 6, characterized by comprising the steps of:
step 1, a deep hole is drilled to the tunnel bottom elevation designed by a tunnel, and an earth surface base station and an earth surface fixed pulley are installed on the earth surface;
step 2, connecting a pull rope with a reserved connecting rope in the sedimentation sensing mechanism;
step 3, connecting the stay cord with the ground base station after bypassing the orifice fixed pulley and the ground fixed pulley;
step 4, debugging the terminal equipment, and enabling the terminal equipment to be in data communication with the ground base station through signals;
step 5, earth surface displacement test, namely pulling the pull rope on the earth surface for a plurality of times to test the sensitivity of the sedimentation sensing mechanism and check the condition of receiving the sedimentation value by the terminal equipment;
step 6, after the earth surface test is correct, the sedimentation sensing mechanism is lowered into the deep hole, and the bottoming condition of the sedimentation sensing mechanism is judged through the tension state of the stay cord and the camera; after the sedimentation sensing mechanism bottoms out, the orifice fixed pulley is fixed at the orifice position of the deep hole.
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