CN113588914A - Tunnel cave wall rock body testing device and rock body disturbance state testing method - Google Patents
Tunnel cave wall rock body testing device and rock body disturbance state testing method Download PDFInfo
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Abstract
The invention relates to a tunnel cave wall rock body detection device and a rock body disturbance state detection method. One end of the rotating bracket is hinged on the movable underframe and is connected with the driving mechanism. The transmission pipe is detachably connected to the rotary support through the buckle, and the driving mechanism drives the rotary support to rotate to drive the transmission pipe to rotate so that the transmission pipe is communicated with the rock mass testing hole in the tunnel cave wall. Detection device passes through remote control sliding part sliding connection in the transmission pipe, and remote control sliding part can drive detection device and carry to the rock mass test hole by the transmission pipe downthehole, and detection device gathers the rock mass information in the test hole to give the controller with the rock mass information transmission who gathers, the controller carries out storage analysis with received rock mass information. The detection device is conveyed into the corresponding test hole through the conveying pipe, and the detection can be completed by only one person, so that the labor is saved, the detection personnel do not need to ascend, and the potential safety hazard is effectively avoided.
Description
Technical Field
The invention relates to a tunnel detection device, in particular to a tunnel cave wall rock body detection device and a rock body disturbance state detection method.
Background
At least half of the national infrastructure construction is rock engineering, and particularly large-scale hydropower engineering and road engineering need to excavate tunnels in mountain and stone sections. Rock mass engineering when the excavation, tunnel country rock easily appears the rock mass and warp and collapse, need shut down and reprocess or change the design, has increased construction cost, and has great potential safety hazard. Therefore, how to effectively restrain rock burst, continuous large deformation, large-area collapse and other serious engineering disasters, becomes a major problem to be solved urgently in rock engineering construction in China.
In the past, the protection of rock mass disasters is usually based on the concept of 'countermeasure', and the pressure and deformation of the rock mass are passively resisted and controlled by depending on engineering measures, namely a 'passive protection' method. However, although this method can control the occurrence of most disasters through strong control measures, it is expensive, and the internal mechanism and law of rock mass weakening caused by excavation are not known, so that the excavated segment is not protected in place, and the risk of collapse and deformation still exists.
Therefore, the internal mechanism and law of rock mass weakening need to be researched, the weakening of the mechanical property of the excavated rock mass and the engineering disaster mechanism are revealed, and support is pertinently applied according to the disaster mechanism obtained through research. However, when detecting the tunnel rock mass excavation section at the present stage, the positions as many as possible need to be detected, detection personnel need to repeatedly place detection equipment in the positions to be detected for detection by means of the ascending platform, the workload is large, the detection equipment needs to be equipped with multiple persons to complete, manpower is wasted, and potential safety hazards exist.
Disclosure of Invention
Technical problem to be solved
In view of the defects and shortcomings of the prior art, the invention provides a tunnel cave wall rock body detection device and a rock body disturbance state testing method, and solves the problems of large workload, high labor cost and potential safety hazard caused by the fact that a plurality of detection personnel need to be equipped for ascending height detection in the prior art.
(II) technical scheme
In order to achieve the aim, the invention provides a device for testing rock mass of a tunnel cave wall and a method for testing the rock mass disturbance state, and the specific technical scheme is as follows:
a tunnel cave wall rock body detection device includes:
moving the chassis;
the fixed end of the rotating support is hinged to the movable underframe and is connected with the driving mechanism, and the driving mechanism can drive the movable end of the rotating support to rotate around the fixed end;
the transmission pipe is detachably connected to the rotary support through a buckle, and the rotary support rotates to drive the transmission pipe to rotate so as to enable the transmission pipe to be communicated with the rock mass testing hole in the wall of the tunnel cave;
the remote control sliding component is connected in the transmission pipe in a sliding manner, and the remote control sliding component can drive the detection device to be conveyed into the rock mass test hole from the transmission pipe to collect rock mass information in the test hole;
the controller is arranged on the movable support, and is provided with a start-stop button which is in communication connection with the remote control sliding component and used for controlling the start-stop of the remote control sliding component;
the controller is also provided with a receiving device which is in communication connection with the detection device and used for receiving the rock mass information collected by the detection device and storing and analyzing the rock mass information.
Further, the detection device comprises a borehole television;
the drilling television magnetic attraction device is connected with the remote control sliding component in a communication mode, the remote control sliding component can drive the drilling television to move along the test hole when working, video information of the test hole is collected, and the collected video information is transmitted to the receiving device.
Further, the in-hole information acquisition equipment comprises a drilling elastic modulus instrument;
the drilling elastic modulus instrument comprises a pressure measuring probe and a manual hydraulic pump;
the pressure measuring probe is magnetically attracted on the remote control sliding component and is in communication connection with the receiving device;
the manual hydraulic pump is arranged on the movable underframe and is connected with the pressure measuring probe through a hydraulic pipeline, and the pressure measuring probe can be pushed to move along the test hole by pressing the manual hydraulic pump;
the drilling elastic modulus instrument is used for detecting elastic modulus information of the test hole and transmitting the elastic modulus information to the receiving device.
Further, the driving mechanism comprises a power unit and a hydraulic cylinder;
the fixed end of the hydraulic cylinder is hinged with the movable underframe, and the piston rod is hinged with the rotating bracket;
the power unit is arranged on the movable underframe and is connected with the hydraulic cylinder through a hydraulic pipeline, and the power unit can push the piston rod to extend out to drive the rotating support to rotate around the fixed end;
the power unit is electrically connected with the start-stop button.
Further, an arc-shaped plate is arranged at the movable end of the rotating bracket;
the arc-shaped plate is provided with a notch, and the transmission pipe penetrates through the notch and is inserted into the test hole;
the arc plate is also provided with an ultrasonic tester which is arranged on one side of the arc plate far away from the arc center;
the ultrasonic tester is in communication connection with the receiving device and used for detecting crack information of the tunnel wall and transmitting the crack information to the receiving device.
Further, the device also comprises a laser scanner;
the laser scanner is arranged on the movable bottom frame and used for scanning the tunnel cave wall to generate a tunnel three-dimensional model and transmitting the tunnel three-dimensional model to the receiving device.
Further, a plurality of test points are arranged in the tunnel cave wall, the tunnel face and the test holes, and distributed optical fibers are arranged at the test points;
the distributed optical fiber is in communication connection with the receiving device and is used for detecting rock mass fracture and stress change information at a test point and transmitting the rock mass fracture and stress change information to the receiving device;
a rock mass disturbance state testing method is characterized by comprising the following steps:
drilling a test hole;
moving the tunnel cave wall rock body detection device to a set position;
detecting rock mass information of the tunnel wall, and transmitting the rock mass information to a receiving device;
and correspondingly storing the received rock mass information.
Further, detect the rock mass information of tunnel cave wall to transmit the rock mass information for receiving arrangement, specifically include:
pre-mounting a detection device on a remote control sliding component;
responding to a starting instruction of the driving mechanism, controlling the driving mechanism to start, and driving the rotating bracket to rotate to a set angle;
responding to a starting instruction of the remote control sliding component, controlling the remote control sliding component to start, driving the drilling television to be conveyed into the test hole through the transmission pipe, and detecting video information of the test hole;
responding to a starting instruction of the remote control sliding component, controlling the remote control sliding component to start, driving the drilling elastic modulus instrument to move along the test hole, and detecting the elastic modulus information of the test hole.
Further, still include:
laying a distributed optical fiber at a test point, and detecting rock mass fracture and stress change information at the test point;
responding to a laser scanner starting instruction, controlling the laser scanner to start, and constructing a tunnel three-dimensional model;
and correspondingly storing the received video information, the elastic modulus information, the tunnel three-dimensional model and the rock mass fracture and stress change information to construct a simulation model.
(III) advantageous effects
The invention provides a rock mass detection device for a tunnel cave wall, which is applied to monitoring the rock mass disturbance state of a tunnel excavation section. Before detection, a plurality of test holes are drilled and hinged on the wall of the tunnel cave in advance, the transmission pipe is arranged on a rotating support, the fixed end of the rotating support is hinged with a movable bottom frame, and the rotating support rotates around the fixed end under the driving of a driving mechanism, so that the transmission pipe corresponds to one test hole. The detection device is conveyed into the test hole through the transmission pipe, and the detection device moves along the test hole to acquire rock mass information in the measurement and control hole and transmits the rock mass information to the receiving device. In the invention, the detection device is conveyed into the corresponding test hole through the conveying pipe, and the detection personnel place the detection equipment at the inlet end of the conveying pipe on the ground, so that the detection can be completed by only one person, thereby greatly saving the labor, avoiding ascending the height of the detection personnel and effectively avoiding the potential safety hazard. When the test hole needs to be replaced to the next test hole, the driving mechanism drives the rotating bracket to rotate to the position of the next test hole
It is fast and convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:
fig. 1 is a schematic structural diagram of a tunnel cave wall rock body detection device in a specific embodiment;
FIG. 2 is a schematic structural diagram of a drilling elastography instrument in an embodiment;
FIG. 3 is a schematic view of an embodiment of an arcuate plate;
FIG. 4 is a schematic view of a rotating bracket according to an embodiment;
fig. 5 is a schematic structural diagram of a controller in an embodiment.
[ description of reference ]
1. Moving the chassis; 110. an electric trolley;
2. rotating the bracket;
210; an arc-shaped plate; 211. opening the gap;
220. a fixed end; 230. a movable end;
3. a conveying pipe;
4. a detection device;
410. drilling a spring mold instrument; 411. a manual hydraulic pump; 412. a pressure measuring probe;
420. a drilling television;
5. a controller; 510. a receiving device; 520. a start-stop button;
6. a drive mechanism; 610. a power unit; 620. a hydraulic cylinder;
7. an ultrasonic tester; 8. a laser scanner; 9. a distributed optical fiber; 11. buckling; 12. a remote control glide unit; 13. and (6) testing the holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present embodiment.
Referring to fig. 1 to 5, the present embodiment provides a tunnel wall rock body detection apparatus, which includes a movable chassis 1, a rotating bracket 2, a detection apparatus 4 and a controller 5. Specifically, the fixed end 220 of the rotating bracket 2 is hinged to the movable base frame 1 and connected with the driving mechanism 6, and the driving mechanism 6 can drive the rotating bracket 2 to rotate around the fixed end 220. The interval is provided with multiunit buckle 11 on the extending direction of runing rest 2, and transmission pipe 3 passes through multiunit buckle 11 demountable installation on runing rest 2, and the extending direction of transmission pipe 3 is unanimous with the extending direction of runing rest 2. Be provided with the slide in the transmission pipe 3, remote control sliding part 12 sliding connection is on the slide, and detection device 4 locates on remote control sliding part 12, and remote control sliding part 12 work can drive detection device 4 and carry to test hole 13 along transmission pipe 3 in, and test device moves along test hole 13 under the drive of remote control sliding part 12 to gather the rock mass information of test hole 13. Controller 5 is located and is opened on the removal chassis 1, is provided with on controller 5 and stops button 520 and receiving arrangement 510, opens to stop button 520 and remote control sliding component 12 and actuating mechanism 6 electricity and is connected, controls actuating mechanism 6 through opening to stop button 520 one key and stops, remote control sliding component 12 open stop and return voyage, convenient and fast. The receiving device 510 is in communication connection with the detection device 4, and is used for receiving the rock mass information of the test hole 13 collected by the detection device 4 and correspondingly storing the rock mass information. The receiving device 510 also has a data processing function, and compares and simulates the stored rock mass information.
Specifically, referring to fig. 4, the driving mechanism 6 in the present embodiment includes a power unit 610 and a hydraulic cylinder 620, and the power unit 610 is provided on the moving base frame 1 and connected to the hydraulic cylinder 620 through a hydraulic line. The stiff end of pneumatic cylinder 620 articulates on removing chassis 1, the tip and the runing rest 2 of piston rod are articulated, the corresponding start-stop button 520 that is provided with power pack 610 on controller 5, start through start-stop button 520 control power pack 610, power pack 610 carries hydraulic oil to pneumatic cylinder 620, hydraulic oil promotes the piston rod and stretches out, and then drive runing rest 2 and rotate around stiff end 220, when reaching predetermined test hole 13 position, through start-stop button 520 control power pack 610 stops to the pneumatic cylinder 620 fuel feeding, runing rest 2 stops. In this embodiment, the hydraulic cylinder 620 extends and retracts to drive the rotating bracket 2 to rotate, and the rotating bracket 2 is supported, so that the rotating bracket 2 stops at a set position, and the supporting strength of the rotating bracket 2 is increased.
Further, the movable end 230 of the rotating bracket 2 in this embodiment is provided with an arc-shaped plate 210, the arc-shaped plate 210 is provided with a notch 211, and the transmission tube 3 passes through the notch 211 and is inserted into the testing hole 13, so that the remote control sliding unit 12 can be smoothly moved from the transmission tube 3 to the testing hole 13. The setting of opening 211 is so that the installation and the dismantlement of transmission pipe 3, carries on spacingly to transmission pipe 3 simultaneously to prevent that transmission pipe 3 from rocking. Further, an ultrasonic tester 7 is installed on one side of the arc-shaped plate 210 far away from the arc center, the driving mechanism 6 drives the rotating support 2 to rotate, the ultrasonic tester 7 is driven to perform sound wave detection on the inner wall of the tunnel, so that crack information of the tunnel wall is obtained, and the crack information of the tunnel wall is transmitted to the receiving device 510 to be correspondingly stored.
The inspection apparatus 4 in this embodiment includes a drilling tv 420 and a drilling elastography machine 410. Wherein, borehole television 420 includes video probe and video receiver, video receiver locates on the controller 5, it is integrated as an organic whole with receiving arrangement 510, be connected with video probe through signal transmission line, video probe passes through the magnet magnetism and inhales on remote control sliding part 12, remote control sliding part 12 drives video probe and records the video information of test hole 13 along the removal of test hole 13, and give video receiver with video information transmission through signal transmission line, video receiver corresponds the storage to the video information who obtains. Further, a take-up and pay-off device is further arranged on the movable underframe 1, and when the remote control sliding component 12 drives the video probe to move, the take-up and pay-off device is used for taking up and paying off the signal transmission line to prevent winding and damage.
Specifically, the drilling elastography instrument 410 comprises a pressure measuring probe 412 and a manual hydraulic pump 411, wherein the manual hydraulic pump 411 is arranged on the power unit 610 and is connected with the pressure measuring probe 412 through a hydraulic pipeline to provide power for the pressure measuring probe 412. The pressure measuring probe 412 is magnetically attracted to the remote control sliding component 12 through a magnet, and is used for collecting elastic modulus information of the rock mass of the test hole 13 and transmitting the elastic modulus information to the receiving device 510. Since the pressure measuring probe 412 is in contact with the wall of the test hole 13 during testing and has a large friction force, the manual hydraulic pump 411 is required to further power the pressure measuring probe 412. In this embodiment, the drilling and film popping instrument 410 is a mature product, an actuator is disposed at an end of the pressure measuring probe 412, the actuator is connected to the manual hydraulic pump 411 through a hydraulic pipeline, the manual hydraulic pump 411 is pressed to start oil supply to the actuator, and the actuator can push the pressure measuring probe 412 to move.
Further, the tunnel cave wall rock body detection device in this embodiment further includes a laser scanner 8, which is installed on the movable chassis 1 through a tripod, and is in communication connection with the receiving device 510, and is used for scanning the tunnel cave wall and generating a three-dimensional tunnel model.
Further, a plurality of test points are arranged in the tunnel wall, the tunnel face and the test hole 13, and the distributed optical fibers 9 are arranged at the test points and used for detecting rock mass fracture information and stress change information at the test points, namely position moving state change and monitoring the fracture expansion and stress increase process formed by excavation unloading, and the information is transmitted to the receiving device 510. In order to ensure the detection precision and the accuracy of the detection data, as many test points as possible need to be arranged in the test holes 13. As an example, in the present invention, one test point is provided every 0.5m in the test hole 13.
Further, set up electronic dolly 110 in the bottom of removing chassis 1, the correspondence is provided with the start-stop button 520 of electronic dolly 110 on controller 5, starts through starting the start-stop button 520 control electronic dolly 110, drives and removes chassis 1 at will in the tunnel, need not artifical promotion, greatly reduced work load.
When the internal mechanism and rule of rock mass weakening are researched, the disaster causing mechanism is different for different rock mass types, so that analysis needs to be carried out for different rock mass types.
For hard and brittle rock masses:
and carrying out laser scanning on the tunnel cave wall to construct a three-dimensional tunnel model. A plurality of sections are selected, and sound wave detection is performed on each section through the ultrasonic detection device 4. And 7-10 test holes 13 on each section and a drilling television 420 with the depth of 6-10m in each hole are recorded to determine the excavation and cracking process and the distribution rule of the brittle rock mass. The drilling distributed optical fibers 9 are distributed along the tunnel wall and the front of the tunnel face, the fracture expansion and stress growth process formed by excavation unloading is monitored, the mechanical parameters of the in-situ rock mass are accurately measured by using a drilling elastic modulus instrument, the distribution mode and the distribution range of excavation disturbance of the hard and brittle rock mass are verified, and the structural collapse failure mechanism caused by the directional fracture of excavation of the hard and brittle rock mass is explored.
For stratified rock masses:
and (3) observing the cracking process of the excavated layered rock mass in the test hole 13 in a time-sharing manner through the drilling television 420, and acquiring elastic modulus attenuation process curves of different depths in different directions by combining a drilling elastic modulus instrument. The dynamic changes of the displacement of the front inner parts of the surrounding rock and the tunnel face are accurately monitored through the hole wall distributed optical fiber 9, the convergence deformation process and the asymmetric deformation distribution rule are inspected, and the mechanism of tunnel layered surrounding rock excavation cracking and uneven deformation damage is analyzed.
Aiming at the obtained detection data of different rock types and based on reinforcement demand distribution, support is pertinently applied, the stress state of the rock mass structure surface of each part of the tunnel cave wall is changed, and the purposes of cooperatively improving the deformation rigidity and strength of the rock mass and controlling the deformation and damage of the rock mass are achieved.
Based on the tunnel cave wall rock body detection device 4, the invention also provides a rock body disturbance state detection method, which comprises the following steps:
1. drilling and reaming a plurality of test holes 13 on the wall of the tunnel of the excavation section;
6-7 test holes 13 are drilled and hinged on the tunnel cave wall of each section, the plurality of test holes 13 are uniformly arranged along the tunnel cave wall, and the depth of each test hole 13 is 6-10 m.
2. Arranging the distributed optical fiber 9:
distributed optical fibers 9 are arranged in the tunnel cave wall, the tunnel face and the test holes 13, wherein a test point is arranged in each 0.5m test hole 13.
3. And controlling the laser scanner 8 to start in response to the laser scanner 8 start instruction:
and starting the laser scanner 8, and rotationally scanning the information of the tunnel wall to generate a three-dimensional tunnel model.
4. The detection device 4 is pre-installed on the remote control sliding component 12 and is arranged in the transmission pipe 3;
5. respond to runing rest 2 start-up instruction, control actuating mechanism 6 starts, drives runing rest 2 and rotates to setting for angle department, still includes:
responding to a starting instruction of the rotating support 2, controlling the driving mechanism 6 to start, driving the ultrasonic detection device 4 on the rotating support 2 to rotate and detect the crack condition of the tunnel wall, and transmitting the crack condition to the controller 5;
6. respond to remote control sliding part 12 start instruction, drive detection device 4 and carry to in the test hole 13 along transmission pipe 3, gather the rock mass information in the test hole 13 to transmit the rock mass information of test hole 13 for controller 5, specifically include:
responding to a starting instruction of the remote control sliding component 12, driving the borehole television 420 to be conveyed into the test hole 13 along the conveying pipe 3, collecting video information in the test hole 13, and transmitting the video information of the test hole 13 to the controller 5;
responding to a starting instruction of the remote control sliding component 12, pressing the manual hydraulic pump 411, driving the drilling elastic modulus instrument to be conveyed into the testing hole 13 along the conveying pipe 3, collecting elastic modulus information in the testing hole 13, and transmitting the elastic modulus information of the testing hole 13 to the controller 5;
7. receiving rock mass information of the test hole 13, and correspondingly storing the received rock mass information;
the rock mass information specifically comprises a tunnel three-dimensional model, tunnel cave wall crack information, test hole 13 rock mass video information, test hole 13 elastic modulus information and rock mass fracture information and stress change information of the monitoring part of the distributed optical fiber 9, and the information is stored in a one-to-one correspondence mode.
8. Carrying out simulation comparison on the stored rock mass information, and analyzing the mechanism of tunnel surrounding rock excavation cracking and destruction;
and (3) performing simulation comparison on the rock mass information which is correspondingly stored, for example, comparing a tunnel three-dimensional model with the crack information of the tunnel wall, and searching an asymmetric deformation mechanism through the distribution position of the crack position.
When the method is used for testing the disturbance state of the rock mass at the tunnel excavation section, a test hole 13 is drilled and reamed in the tunnel wall at the specified position in advance, the tunnel wall rock mass detection device 4 is controlled to move to the specified position, the start and stop of each device are controlled by one key of the controller 5 by a detector, and the test can be completed by only one detector. The method comprises the steps of correspondingly storing detected different rock mass information of the same section, generating a specific simulation model, analyzing a disaster mechanism of a tunnel excavation section, applying active support according to the disaster mechanism in a targeted manner, and improving the self-stability potential of a rock mass through activation and reverse recovery, thereby economically and reliably realizing the safety control of rock mass engineering.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention.
Claims (10)
1. The utility model provides a tunnel cave wall rock body detection device which characterized in that includes:
a mobile chassis (1);
the fixed end (220) of the rotating support (2) is hinged to the movable underframe (1) and is connected with a driving mechanism (6), and the driving mechanism (6) can drive the movable end (230) of the rotating support (2) to rotate around the fixed end (220) when working;
the conveying pipe (3) is detachably connected to the rotating support (2) through a buckle (11), and the rotating support (2) can drive the conveying pipe (3) to rotate so as to enable the conveying pipe (3) to be communicated with a rock mass testing hole (13) in the wall of the tunnel;
the detection device (4) is arranged on the remote control sliding component (12), the remote control sliding component (12) is connected in the transmission pipe (3) in a sliding manner, and the remote control sliding component (12) can drive the detection device (4) to be conveyed into the rock mass test hole (13) from the transmission pipe (3) when working so as to acquire rock mass information in the test hole (13);
the controller (5) is arranged on the movable underframe (1), a start-stop button (520) is arranged on the controller (5), and the start-stop button (520) is in communication connection with the remote control sliding component (12) and is used for controlling the start and stop of the remote control sliding component (12);
the controller (5) is further provided with a receiving device (510), is in communication connection with the detection device (4), and is used for receiving the rock mass information acquired by the detection device (4) and storing and analyzing the rock mass information.
2. The tunnel wall rock body detection apparatus of claim 1, wherein the detection apparatus (4) includes a borehole television (420);
the borehole television (420) is magnetically attracted to the remote control sliding component (12) and is in communication connection with the receiving device (510), and the remote control sliding component (12) can drive the borehole television (420) to move along the test hole (13) so as to collect video information of the test hole (13) and transmit the collected video information to the receiving device (510).
3. The tunnel wall rock body detection apparatus of claim 1, wherein the in-bore information collection device comprises a drilling elastography instrument (410);
the drilling elastic modulus instrument (410) comprises a pressure measuring probe (412) and a manual hydraulic pump (411);
the pressure measuring probe (412) is magnetically attracted to the remote control sliding component (12) and is in communication connection with the receiving device (510);
the manual hydraulic pump (411) is arranged on the movable underframe (1), is connected with the pressure measuring probe (412) through a hydraulic pipeline, and can push the pressure measuring probe (412) to move along the testing hole (13) by pressing the manual hydraulic pump (411);
the drilling elastic modulus instrument (410) is used for detecting elastic modulus information of the test hole (13) and transmitting the elastic modulus information to the receiving device (510).
4. The tunnel wall rock body detection apparatus of claim 1, wherein the drive mechanism (6) includes a power unit (610) and a hydraulic cylinder (620);
the fixed end (220) of the hydraulic cylinder (620) is hinged with the movable underframe (1), and a piston rod is hinged with the rotating bracket (2);
the power unit (610) is arranged on the movable underframe (1) and is connected with the hydraulic cylinder (620) through a hydraulic pipeline, and the power unit (610) can push the piston rod to extend out when working so as to drive the rotating bracket (2) to rotate around the fixed end (220);
the power unit (610) is electrically connected with the start-stop button (520).
5. The tunnel wall rock body detection apparatus of claim 4, wherein the movable end (230) of the swivel bracket (2) is provided with an arc-shaped plate (210);
a notch (211) is formed in the arc-shaped plate (210), and the transmission pipe (3) penetrates through the notch (211) and is inserted into the test hole (13);
the arc-shaped plate (210) is also provided with an ultrasonic tester (7) which is arranged on one side of the arc-shaped plate (210) far away from the arc center;
the ultrasonic tester (7) is in communication connection with the receiving device (510) and is used for detecting crack information of the tunnel wall and transmitting the crack information to the receiving device (510).
6. The tunnel wall rock body detection apparatus of claim 1, further comprising a laser scanner (8);
the laser scanner (8) is arranged on the movable bottom frame (1) and used for scanning the tunnel cave wall to generate a tunnel three-dimensional model and transmitting the tunnel three-dimensional model to the receiving device (510).
7. The tunnel wall rock body detection apparatus of claim 1, wherein a plurality of test points are provided in the tunnel wall, the face and the test holes (13), the test points being provided with distributed optical fibers (9);
the distributed optical fiber (9) is in communication connection with the receiving device (510) and is used for detecting rock mass fracture and stress change information at the test point and transmitting the rock mass fracture and stress change information to the receiving device (510).
8. A rock mass disturbance state testing method is characterized by comprising the following steps:
drilling a test hole;
moving the tunnel cave wall rock body detection device to a set position;
detecting rock mass information of the tunnel wall, and transmitting the rock mass information to a receiving device;
and correspondingly storing the received rock mass information.
9. The rock mass disturbance state testing method according to claim 8, characterized in that the detecting of the rock mass information of the tunnel cave wall and the transmitting of the rock mass information to the receiving device specifically comprises:
pre-mounting a detection device on a remote control sliding component;
responding to a starting instruction of the driving mechanism, controlling the driving mechanism to start, and driving the rotating bracket to rotate to a set angle;
responding to a starting instruction of the remote control sliding component, controlling the remote control sliding component to start, driving the drilling television to be conveyed into the test hole through the transmission pipe, and detecting video information of the test hole;
responding to a remote control sliding component starting instruction, controlling the remote control sliding component to start, driving the drilling elastic modulus instrument to move along the test hole, and detecting the elastic modulus information of the test hole.
10. The rock mass disturbance state testing method according to claim 9, characterized by further comprising:
laying a distributed optical fiber at a test point, and detecting rock mass fracture and stress change information at the test point;
responding to a laser scanner starting instruction, controlling the laser scanner to start, and constructing a tunnel three-dimensional model;
and correspondingly storing the received video information, the elastic modulus information, the tunnel three-dimensional model and the rock mass fracture and stress change information to construct a simulation model.
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1253506A (en) * | 1960-03-22 | 1961-02-10 | Pan Geo Atlas Corp | Device for sampling and analysis of drilling fluids |
| CA2146940A1 (en) * | 1994-04-12 | 1995-10-13 | Warren G. Montgomery | Underground Hydraulic Mining Method and Apparatus |
| CN2614349Y (en) * | 2003-05-17 | 2004-05-05 | 侯贤忠 | Simple wireless pipe endoscopic monitoring device |
| US20100230104A1 (en) * | 2007-05-31 | 2010-09-16 | Noelke Rolf-Dieter | Method for completing a borehole |
| EP2256457A2 (en) * | 2009-05-26 | 2010-12-01 | Emschergenossenschaft | Measurement of underground structures, in particular for underground tunnelling, with consoles |
| CN203658603U (en) * | 2014-01-07 | 2014-06-18 | 山东大学 | Comprehensive advanced geological detection system carried by tunnel boring machine |
| CN204649998U (en) * | 2015-05-31 | 2015-09-16 | 西安科技大学 | A kind of improving stability of surrounding rocks in roadway joint test device |
| CN204851224U (en) * | 2015-04-14 | 2015-12-09 | 新疆大学 | Appearance is peeied at in pull rod formula self -cleaning rockhole |
| CN105911256A (en) * | 2016-06-17 | 2016-08-31 | 清华大学 | Testing method for quantifying surrounding rock grade |
| CN205748352U (en) * | 2016-06-29 | 2016-11-30 | 武汉长澳大地工程有限公司 | A kind of full Intelligent testing ramp |
| CN206593974U (en) * | 2016-12-08 | 2017-10-27 | 江苏筑升土木工程科技有限公司 | A kind of boring elastic modulus instrument probe |
| CN108398438A (en) * | 2018-05-11 | 2018-08-14 | 中国水利水电科学研究院 | A kind of defects detection vehicle and defect inspection method |
| CN108444815A (en) * | 2018-04-25 | 2018-08-24 | 山东科技大学 | Engineering rock mass mechanics parameter drilling in-situ testing device and its application method |
| CN109630201A (en) * | 2018-12-14 | 2019-04-16 | 山东科技大学 | It is a kind of based on roof strata horizontal compression monitoring rock-bolt length determine method |
| CN110657905A (en) * | 2019-08-27 | 2020-01-07 | 山东大学 | Tunnel surrounding rock internal stress distributed monitoring device, construction method and monitoring method |
| CN111025418A (en) * | 2019-11-19 | 2020-04-17 | 山东大学 | Rail transit tunnel geological radar mobile intelligent detection equipment and operation method |
| CN210370622U (en) * | 2019-08-21 | 2020-04-21 | 山东德宸工程检测有限公司 | Acoustic pipe guiding device of ultrasonic detector |
| CN210833764U (en) * | 2019-12-05 | 2020-06-23 | 云南润晶工程技术(集团)股份有限公司 | Drilling ground water level monitoring devices |
| CN111765863A (en) * | 2020-07-24 | 2020-10-13 | 莱州汇金矿业投资有限公司 | Measuring device for mine tunnel control point |
| CN212585687U (en) * | 2020-07-23 | 2021-02-23 | 江苏建纬检测股份有限公司 | Pipeline internal detection device |
-
2021
- 2021-06-22 CN CN202110693244.2A patent/CN113588914B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1253506A (en) * | 1960-03-22 | 1961-02-10 | Pan Geo Atlas Corp | Device for sampling and analysis of drilling fluids |
| CA2146940A1 (en) * | 1994-04-12 | 1995-10-13 | Warren G. Montgomery | Underground Hydraulic Mining Method and Apparatus |
| CN2614349Y (en) * | 2003-05-17 | 2004-05-05 | 侯贤忠 | Simple wireless pipe endoscopic monitoring device |
| US20100230104A1 (en) * | 2007-05-31 | 2010-09-16 | Noelke Rolf-Dieter | Method for completing a borehole |
| EP2256457A2 (en) * | 2009-05-26 | 2010-12-01 | Emschergenossenschaft | Measurement of underground structures, in particular for underground tunnelling, with consoles |
| CN203658603U (en) * | 2014-01-07 | 2014-06-18 | 山东大学 | Comprehensive advanced geological detection system carried by tunnel boring machine |
| CN204851224U (en) * | 2015-04-14 | 2015-12-09 | 新疆大学 | Appearance is peeied at in pull rod formula self -cleaning rockhole |
| CN204649998U (en) * | 2015-05-31 | 2015-09-16 | 西安科技大学 | A kind of improving stability of surrounding rocks in roadway joint test device |
| CN105911256A (en) * | 2016-06-17 | 2016-08-31 | 清华大学 | Testing method for quantifying surrounding rock grade |
| CN205748352U (en) * | 2016-06-29 | 2016-11-30 | 武汉长澳大地工程有限公司 | A kind of full Intelligent testing ramp |
| CN206593974U (en) * | 2016-12-08 | 2017-10-27 | 江苏筑升土木工程科技有限公司 | A kind of boring elastic modulus instrument probe |
| CN108444815A (en) * | 2018-04-25 | 2018-08-24 | 山东科技大学 | Engineering rock mass mechanics parameter drilling in-situ testing device and its application method |
| CN108398438A (en) * | 2018-05-11 | 2018-08-14 | 中国水利水电科学研究院 | A kind of defects detection vehicle and defect inspection method |
| CN109630201A (en) * | 2018-12-14 | 2019-04-16 | 山东科技大学 | It is a kind of based on roof strata horizontal compression monitoring rock-bolt length determine method |
| CN210370622U (en) * | 2019-08-21 | 2020-04-21 | 山东德宸工程检测有限公司 | Acoustic pipe guiding device of ultrasonic detector |
| CN110657905A (en) * | 2019-08-27 | 2020-01-07 | 山东大学 | Tunnel surrounding rock internal stress distributed monitoring device, construction method and monitoring method |
| CN111025418A (en) * | 2019-11-19 | 2020-04-17 | 山东大学 | Rail transit tunnel geological radar mobile intelligent detection equipment and operation method |
| CN210833764U (en) * | 2019-12-05 | 2020-06-23 | 云南润晶工程技术(集团)股份有限公司 | Drilling ground water level monitoring devices |
| CN212585687U (en) * | 2020-07-23 | 2021-02-23 | 江苏建纬检测股份有限公司 | Pipeline internal detection device |
| CN111765863A (en) * | 2020-07-24 | 2020-10-13 | 莱州汇金矿业投资有限公司 | Measuring device for mine tunnel control point |
Non-Patent Citations (5)
| Title |
|---|
| PEIJIE HUO 等: "Distributed monitoring system for precision management of household biogas appliances", 《COMUPUTERS AND ELECTRONICS IN AGRICULTURE》 * |
| 叶星宇: "基于光纤传感技术的地铁隧道模型变形试验研究", 《中国优秀硕士学位论文全文数据库（电子期刊）工程科技II辑》 * |
| 张洪福: "小直径深井变径钻孔施工及管道安装施工技术", 《工艺与设备》 * |
| 徐琛 等: "耦合地质模型的TBM隧道施工过程进度仿真预测", 《隧道与地下工程灾害防治》 * |
| 赵宏博 等: "三臂凿岩台车在郑万高铁隧道软弱围岩施工中的应用", 《隧道建设》 * |
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