Portable underground tunnel surrounding rock core drilling monitoring sampling device and use method thereof

Abstract

The present invention discloses a portable underground tunnel surrounding rock core drilling monitoring sampling device and a method for using the same, which relates to the field of drilling sampling technology. The device comprises a mounting plate, and also comprises: a mounting seat arranged on one side of the mounting plate, a displacement adjustment component arranged between the mounting seat and the mounting plate, the mounting seat is fixedly connected to the mounting disk away from the mounting plate, a limit component is arranged on the gear turntable, a mounting sleeve is slidably sleeved on one side of the mounting rod, a drilling rig is fixedly sleeved on the mounting sleeve on one side of the mounting rod, the output shaft end of the drilling rig is connected to the drill rod, an integrated sensor is arranged between the drill rod and the output shaft end of the drilling rig, a data acquisition sensor is arranged on the mounting sleeve away from the mounting rod, a drill bit is arranged on the end of the drill rod away from the drilling rig, a unloading component is arranged in the drill rod, and a wastewater recovery component is arranged under the drilling rig. The device is more convenient to operate and use, has better environmental protection effect, and then the drilling parameters are adjusted to achieve fidelity sampling, and the use effect is better.

Description

Technical Field

[0001] The present invention relates to the technical field of drilling sampling, in particular to a portable underground tunnel surrounding rock core drilling monitoring sampling device and a use method thereof. Background Art

[0002] Rock mass quality is a prerequisite for evaluating geological conditions. Therefore, accurately acquiring the surrounding rock's mechanical parameters and internal geological structural characteristics (especially the internal fractures and other geological structures that control stability and permeability) is crucial. In-situ drilling sampling is an important means of understanding the internal structural characteristics of the surrounding rock.

[0003] The complex geological conditions and limited spatial distribution of underground spaces, along with the complex geometric structures of the exposed surrounding rock surfaces, pose challenges for efficient and safe sampling of the surrounding rock in confined spaces. Currently available in-situ rock sampling equipment can only drill in one direction (vertically inward). However, the distribution of fractured structural surfaces in the surrounding rock is complex, and drilling rigs capable of drilling in only one direction cannot accurately reveal the geological structure of the internal stability and permeability control surfaces of the surrounding rock. Furthermore, existing drilling sampling equipment is often bulky and heavy, making it difficult to use in confined spaces with adverse geological conditions.

[0004] During the drilling process, the drilling rig will inevitably generate torque and vibration due to the shaking of the drilling rig, the rotation of the drill rod, and the friction between the drill bit and the rock contact surface, which can easily cause damage to the rock core and affect the integrity of the drilled surrounding rock core. In addition, during the drilling process of the drilling rig, the location of the fracture structure surface inside the rock mass is unknown. The use of drilling parameters suitable for the intact surrounding rock will lead to fracture and damage of the fracture structure surface in the sampled rock core, and the in-situ and integrity of the rock core containing the fracture structure surface cannot be guaranteed, which seriously affects the objective and accurate understanding of the physical mechanics and hydraulics of the fracture structure surface that controls stability and seepage. How to perceive changes in surrounding rock properties during drilling in complex engineering geological sites, provide real-time feedback, adjust drilling parameters, and ensure in-situ and complete sampling of surrounding rock cores (especially rock masses with fractured structural surfaces) remains a key challenge in evaluating the suitability of underground space storage development and utilization. At the same time, traditional drilling sampling cannot effectively handle wastewater discharged from the borehole. After sampling is completed, the sample cannot be quickly removed from the sampling rod, making the operation cumbersome and inconvenient. Summary of the Invention

[0005] The present invention provides a portable underground tunnel surrounding rock core drilling monitoring sampling device and a use method thereof, which solves the problems in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] The portable underground tunnel surrounding rock core drilling monitoring and sampling device comprises a mounting plate, and also comprises: a mounting seat arranged on one side of the mounting plate, a displacement adjustment component is arranged between the mounting seat and the mounting plate, the mounting seat is fixedly connected to the mounting disk on the side away from the mounting plate, the mounting disk is rotatably connected to the gear turntable, the side wall of the mounting seat on the gear turntable side is fixedly connected to the transmission rack, a limit assembly is arranged on the gear turntable, one side of the gear turntable is fixedly connected to the mounting rod, a mounting sleeve is slidably sleeved on one side of the mounting rod, a driving assembly is arranged in the mounting sleeve, a drilling machine is fixedly sleeved on the mounting sleeve on one side of the mounting rod, an output shaft end of the drilling machine is connected to the drill rod, an integrated sensor is arranged between the drill rod and the output shaft end of the drilling machine, a data acquisition sensor is arranged on the side of the mounting sleeve away from the mounting rod, a signal input end of the data acquisition sensor is connected to a signal output end of the integrated sensor, the interior of the drill rod is a hollow structure, a drill bit is arranged at one end of the drill rod away from the drilling machine, the drill bit is a hollow structure and is connected to the drill rod, a discharge assembly is arranged in the drill rod, the discharge assembly is connected to the drill bit, and a wastewater recovery assembly is arranged below the drilling machine.

[0008] As a preferred technical solution of the present invention, the displacement adjustment assembly includes a positioning block fixedly arranged on one side of the mounting seat, a position adjustment rod is rotatably arranged on the mounting plate on one side of the positioning block, the end of the position adjustment rod is a threaded structure, and the threaded structure at the end of the position adjustment rod extends into the positioning block and is threadedly connected to the positioning block.

[0009] As a preferred technical solution of the present invention, a slide groove is provided on the mounting plate, a limit rod is provided to slide through the slide groove, the limit rod is fixedly connected to the mounting seat, and positioning holes are provided on both sides of the mounting plate.

[0010] As a preferred technical solution of the present invention, the limiting assembly includes a positioning column that slides through the gear turntable, an elastic member is sleeved on the positioning column, and a positioning groove is provided on the mounting plate.

[0011] As a preferred technical solution of the present invention, the drive assembly includes a torsion column rotatably arranged on the mounting sleeve, a socket is provided on the torsion column, the torsion column extends into the mounting sleeve, and the bottom is fixedly connected to the adjusting gear, the side wall of the mounting rod on one side of the adjusting gear is fixedly connected to the transmission gear rod, the transmission gear rod is engaged with the adjusting gear, and a first torque sensor is provided at the rotating connection between the torsion column and the mounting sleeve.

[0012] As a preferred technical solution of the present invention, the integrated sensor includes a pressure sensor, a drilling speed sensor, a second torque sensor and a laser displacement sensor, and the laser displacement sensor is located at the center of the drill rod cross section.

[0013] As a preferred technical solution of the present invention, the unloading assembly includes a fixed sleeve, the two ends of the fixed sleeve are respectively installed and connected to the drill rod and the drill bit, the fixed sleeve is fixedly connected to the linkage rod on the side close to the drill rod, the linkage rod is located inside the drill rod, and the linkage rod is fixedly connected to the unloading ring on the end away from the fixed sleeve, and the unloading ring is slidably connected to the inner wall of the drill rod.

[0014] As a preferred technical solution of the present invention, the wastewater recovery component includes a mounting block, a threaded rod is set through the thread on the mounting block, the end of the threaded rod is fixedly connected to the transmission column, the end of the transmission column is slidably sleeved on the mounting tube, the telescopic part is fixedly connected to one side of the inner wall of the mounting tube, the end of the telescopic part is fixedly connected to the clamping block, the clamping block is slidably set in the mounting tube, and the end of the transmission column is rotatably connected to the clamping block.

[0015] As a preferred technical solution of the present invention, the end of the installation cylinder is fixedly connected to the wastewater recovery frame, the wastewater recovery frame is fixedly connected to the filter screen, and a water pipe is provided at the bottom of the wastewater recovery frame.

[0016] The method for using a portable underground tunnel surrounding rock core sampling device while drilling monitoring includes the following steps:

[0017] S1. First, select the construction location, then place the mounting plate on one side of the construction surface and use expansion bolts to fix the mounting plate to the side of the construction surface, leaving an operating space between the mounting plate and the construction surface. After the installation is completed, the operator drives the mounting base to move horizontally through the displacement adjustment component to achieve horizontal adjustment of the drilling position, and at the same time, drives the mounting rod to rotate by turning the gear turntable to achieve adjustment of the drilling direction;

[0018] S2. Then, the driving assembly is used to drive the drilling machine on one side of the installation sleeve to move closer to the rock layer. At the same time, the drilling machine is started to drive the drill rod and drill bit to rotate to achieve drilling and sampling of the rock layer. At the same time, one side of the wastewater recovery assembly is pressed against the drilling position;

[0019] S3. During the drilling sampling process, the operator uses an external computer to analyze the specific parameter information about the rock formation transmitted by the integrated sensor. Then, based on the feedback parameter information, the operator adjusts the drilling parameters in real time during the drilling process to achieve fidelity sampling. After the sampling is completed, the drive assembly is adjusted in reverse to remove the drill bit and drill rod. The drill bit is removed and the removed core is taken out by the unloading assembly, and then the rock formation analysis is carried out.

[0020] The present invention has the following advantages: when in use, the operator first fixes the mounting plate on the surrounding rock with expansion screws according to the target target area of ​​the surrounding rock to be studied, and then, according to the (occurrence) distribution of the potential fracture structure surface inside the surrounding rock, first rotates the position adjustment rod to drive the mounting seat to move, thereby realizing the lateral adjustment of the drilling position, then pulls out the positioning column, adjusts the gear turntable to adjust the drilling angle of the drill bit on one side of the mounting rod, and then starts the drilling machine to drive the drill bit at one end of the drill rod to rotate, and at the same time, the operator uses the tool rod to insert the jack of the torsion column to drive the torsion column to rotate, and drives the mounting sleeve to move laterally along the mounting rod to drill under the action of the adjusting gear and the transmission gear rod. At the same time, the operator makes the wastewater recovery frame contact with the rock surface and then rotates the threaded rod to drive the transmission column to rotate. The transmission column squeezes the pressing block to fix the wastewater recovery frame under the action of the telescopic member. When the water valve is opened to cool the drill bit during the drilling process, the wastewater recovery frame can effectively collect wastewater and filter it under the action of the filter screen, thereby achieving better environmental protection effect;

[0021] At the same time, during the drilling process, the sample will enter the drill pipe through the hollow position of the drill bit to achieve sampling. At the same time, during the drilling sampling process, the integrated sensor can measure the drilling speed, torque, and thrust applied to the drill pipe by the drilling rig. At the same time, under the action of the laser displacement sensor, the laser displacement sensor can measure the precise displacement of the contact between the drill bit and the rock surface each time drilling and each time the drilling rig starts drilling through the hollow borehole. The integrated sensor transmits information to the computer through the data acquisition sensor to conduct real-time monitoring of the drilling machine parameters (drilling speed, torque, thrust) and drilling position during the drilling process. The operator uses an external computer to analyze the specific parameter information about the rock formation transmitted by the integrated sensor, and then adjusts the drilling parameters in real time during the drilling process based on the feedback parameter information, thereby achieving fidelity sampling. After the sampling is completed, the drill rod is removed and the drill bit is disassembled. The drill bit drives the unloading ring to move through the linkage rod on one side of the fixed sleeve to achieve rapid unloading. Compared with the traditional material extraction method, this method of the device is more convenient to operate and use, has better environmental protection effects, and can unload more conveniently. According to the drilling information transmitted by the integrated sensor, the condition of the rock formation can be judged in time, and the drilling parameters can be adjusted to achieve fidelity sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the structure of a portable underground tunnel surrounding rock core sampling device while drilling Figure 1 .

[0023] Figure 2 Schematic diagram of the structure of a portable underground tunnel surrounding rock core sampling device while drilling Figure 2 .

[0024] Figure 3 Schematic diagram of the structure of a portable underground tunnel surrounding rock core sampling device while drilling Figure 3.

[0025] Figure 4 This is a schematic diagram of the cross-sectional structure of a portable underground tunnel surrounding rock core drilling monitoring and sampling device from a top view.

[0026] Figure 5 This is a schematic diagram of the cross-sectional structure of a portable underground tunnel surrounding rock core sampling device while drilling.

[0027] Figure 6 for Figure 5 Schematic diagram of the enlarged structure of A in the figure.

[0028] In the figure: 1. Mounting plate; 2. Mounting seat; 3. Mounting sleeve; 4. Drilling machine; 5. Data acquisition sensor; 6. Integrated sensor; 7. Torsion column; 8. Drive gear rod; 9. Drill rod; 10. Threaded rod; 11. Mounting block; 12. Drive column; 13. Mounting cylinder; 14. Wastewater recovery frame; 15. Mounting rod; 16. Slide; 17. Position adjustment rod; 18. Positioning block; 19. Limit rod; 20. Positioning hole; 21. Drive rack; 22. Gear turntable; 23. Elastic member; 24. Positioning column; 25. Mounting plate; 26. Positioning groove; 27. Drill bit; 28. Jack; 29. ​​Unloading ring; 30. Linkage rod; 31. Fixing sleeve; 32. Filter screen; 33. Adjusting gear; 34. Laser displacement sensor; 35. First torque sensor; 36. Pressing block; 37. Telescopic member. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0030] Example 1, please refer to Figures 1-6, a portable underground tunnel surrounding rock core drilling monitoring sampling device includes a mounting plate 1, and also includes: a mounting seat 2 arranged on one side of the mounting plate 1, a displacement adjustment component is arranged between the mounting seat 2 and the mounting plate 1, the mounting seat 2 is fixedly connected to the mounting disk 25 on the side away from the mounting plate 1, the mounting disk 25 is rotatably connected to the gear turntable 22, the side wall of the mounting seat 2 on one side of the gear turntable 22 is fixedly connected to the transmission rack 21, the transmission rack 21 is engaged with the gear turntable 22, a limit assembly is arranged on the gear turntable 22, one side of the gear turntable 22 is fixedly connected to the mounting rod 15, one side of the mounting rod 15 is slidably sleeved with a mounting sleeve 3, and a drive assembly is arranged in the mounting sleeve 3, the A drilling machine 4 is set on the fixing sleeve 31 of the mounting sleeve 3 on one side of the mounting rod 15. The output shaft end of the drilling machine 4 is connected to the drill rod 9. An integrated sensor 6 is set between the drill rod 9 and the output shaft end of the drilling machine 4. A data acquisition sensor 5 is set on the side of the mounting sleeve 3 away from the mounting rod 15. The signal input end of the data acquisition sensor 5 is connected to the signal output end of the integrated sensor 6. The interior of the drill rod 9 is a hollow structure. A drill bit 27 is set at the end of the drill rod 9 away from the drilling machine 4. The drill bit 27 is a hollow structure and is connected to the drill rod 9. A unloading assembly is set in the drill rod 9, and the unloading assembly is connected to the drill bit 27. A wastewater recovery assembly is set below the drilling machine 4.

[0031] Example 2, please refer to Figures 1-6 The displacement adjustment component includes a positioning block 18 fixedly arranged on one side of the mounting seat 2, and a position adjustment rod 17 is rotatably provided on the mounting plate 1 on one side of the positioning block 18. The end of the position adjustment rod 17 is a threaded structure, and the threaded structure at the end of the position adjustment rod 17 extends into the positioning block 18 and is threadedly connected to the positioning block 18.

[0032] The mounting plate 1 is provided with a slide groove 16, and a limiting rod 19 is set to slide through the slide groove 16, and the limiting rod 19 is fixedly connected to the mounting seat 2. Positioning holes 20 are provided on both sides of the mounting plate 1; the limiting assembly includes a positioning column 24 that slides through the gear turntable 22, and an elastic member 23 is sleeved on the positioning column 24. A positioning groove 26 is provided on the mounting plate 25, and a plurality of positioning grooves 26 are provided, and are arranged on the mounting plate 25 with equal arc spacing.

[0033] The drive assembly includes a torsion post 7 rotatably mounted on the mounting sleeve 3, with a socket 28 formed on the torsion post 7. The torsion post 7 extends into the mounting sleeve 3, and the bottom is fixedly connected to the adjusting gear 33. The side wall of the mounting rod 15 on one side of the adjusting gear 33 is fixedly connected to the transmission gear rod 8, which is engaged with the adjusting gear 33. A first torque sensor 35 is provided at the rotational connection between the torsion post 7 and the mounting sleeve 3.

[0034] The integrated sensor 6 includes a pressure sensor, a drilling speed sensor, a second torque sensor and a laser displacement sensor 34. The laser displacement sensor 34 is located at the center of the cross section of the drill rod 9. The laser displacement sensor 34 can measure the precise displacement of the drill bit 27 and the rock surface each time the drilling machine 4 drills and before each drilling by the drilling machine 4 through a hollow borehole.

[0035] The unloading assembly includes a fixed sleeve 31, both ends of which are respectively installed and connected to the drill rod 9 and the drill bit 27. The fixed sleeve 31 is fixedly connected to the linkage rod 30 on the side close to the drill rod 9. The linkage rod 30 is located inside the drill rod 9. The linkage rod 30 is fixedly connected to the unloading ring 29 on the end away from the fixed sleeve 31. The unloading ring 29 is slidably connected to the inner wall of the drill rod 9.

[0036] The wastewater recovery assembly includes a mounting block 11, a threaded rod 10 is provided on the mounting block 11 through which a thread is threaded, the end of the threaded rod 10 is fixedly connected to a transmission column 12, the end of the transmission column 12 is slidably sleeved on a mounting tube 13, one side of the inner wall of the mounting tube 13 is fixedly connected to a telescopic member 37, the end of the telescopic member 37 is fixedly connected to a clamping block 36, the clamping block 36 is slidably set in the mounting tube 13, and the end of the transmission column 12 is rotatably connected to the clamping block 36.

[0037] The end of the mounting tube 13 is fixedly connected to the wastewater recovery frame 14, and the filter screen 32 is fixedly connected to the wastewater recovery frame 14. A water pipe is set at the bottom of the wastewater recovery frame 14. The water pipe is externally connected to a water pump. When in actual use, the water in the wastewater recovery frame 14 is pumped away by the water pump, thereby making the construction site more environmentally friendly.

[0038] During the actual drilling process, the drilling parameters and the drilling displacement of the drill rod 9 are monitored in real time through the integrated sensor 6; when drilling reaches a certain depth, the drilling machine 4 is turned back in the opposite direction, the drill rod 9 is pulled out, and the core is taken out; then the drill rod 9 is lengthened and drilling continues to proceed inward, and the monitoring parameters of drilling are used to judge the rock formation conditions inside the rock body; when the drilling parameters begin to show a sudden change trend, such as when the drilling speed becomes faster under the same drilling speed, the thrust applied to the drilling machine 4 should be reduced at this time, and the drilling speed of the drilling machine 4 should be reduced to ensure complete sampling of the contact position of the rock mutation. At this time, the laser displacement sensor 34 can be used to capture the contact position of the rock mutation; finally, the support vector machine (SVM) method can be used to establish a nonlinear relationship between the parameters of the drilling machine 4 and the rock mechanical strength parameters when drilling cores in situ, and then a mechanical property prediction model of the surrounding rock quality characteristics and integrity is constructed based on multi-source sensing technology.

[0039] Example 3, please refer to Figures 1-6The method for using the portable underground tunnel surrounding rock core drilling monitoring sampling device includes the following steps: S1, first selecting a construction location, then placing the mounting plate 1 on one side of the construction surface and using expansion bolts to fix the mounting plate 1 on one side of the construction surface, leaving an operating space between the mounting plate and the construction surface. After the installation is completed, the operator drives the mounting seat 2 to move horizontally through the displacement adjustment component to achieve horizontal adjustment of the drilling position, and at the same time drives the mounting rod 15 to rotate by rotating the gear turntable 22 to achieve adjustment of the drilling direction;

[0040] S2. Then, the driving assembly is used to drive the drilling machine 4 on one side of the installation sleeve 3 to move closer to the rock layer. At the same time, the drilling machine 4 is started to drive the drill rod 9 and the drill bit 27 to rotate to achieve drilling and sampling of the rock layer. At the same time, one side of the wastewater recovery assembly is in contact with the drilling position;

[0041] S3. During the drilling sampling process, the operator uses an external computer to analyze the specific parameter information about the rock formation transmitted by the integrated sensor 6, and then adjusts the drilling parameters in real time during the drilling process based on the feedback parameter information, thereby achieving fidelity sampling. After the sampling is completed, the drive assembly is reversed to remove the drill bit 27 and the drill rod 9. The drill bit 27 is removed and the removed rock core is taken out under the action of the unloading assembly, and then the rock formation analysis is carried out.

[0042] Example 4, please refer to Figures 1-6 When using it, the operator first fixes the mounting plate 1 on the surrounding rock with expansion screws according to the target area of ​​the surrounding rock to be studied. Then, according to the occurrence and distribution of the potential fracture structure surface inside the surrounding rock, the operator first rotates the position adjustment rod 17 to drive the mounting seat 2 to move, thereby realizing the lateral adjustment of the drilling position. Then, the positioning column 24 is pulled out, and the gear turntable 22 is adjusted to adjust the drilling angle of the drill bit 27 on one side of the mounting rod 15. Then, the drilling machine 4 is started to drive the drill bit 27 at one end of the drill rod 9 to rotate. At the same time, the operator uses the tool rod to insert the socket 2 of the torsion column 7. 8 drives the torsion column 7 to rotate, and under the action of the adjusting gear 33 and the transmission gear rod 8, the mounting sleeve 3 is driven to move horizontally along the mounting rod 15 to perform drilling. At the same time, the operator makes the wastewater recovery frame 14 contact the rock surface and then rotates the threaded rod 10 to drive the transmission column 12 to rotate. The transmission column 12 squeezes the pressing block 36 under the action of the telescopic member 37 to fix the wastewater recovery frame 14. When the water valve is opened to cool the drill bit 27 during the drilling process, the wastewater recovery frame 14 can effectively collect wastewater and filter it under the action of the filter screen 32, thereby achieving better environmental protection effect.

[0043] At the same time, during the drilling process, the sample will enter the drill rod 9 through the hollow position of the drill bit 27 to achieve sampling. At the same time, during the drilling sampling process, the integrated sensor 6 can measure the drilling speed, torque, and thrust applied to the drill rod 9 by the drilling machine 4. At the same time, under the action of the laser displacement sensor 34, the laser displacement sensor 34 can measure the precise displacement of the contact between the drill bit 27 and the rock surface each time drilling and each time before the drilling machine 4 starts drilling through the hollow borehole. The integrated sensor 6 transmits information to the computer through the data acquisition sensor 5, and performs real-time monitoring of the drilling machine 4 parameters such as drilling speed, torque, thrust and drilling position during drilling. The operator uses an external computer to analyze the specific parameter information about the rock formation transmitted by the integrated sensor 6, and then adjusts the drilling parameters in real time during the drilling process according to the feedback parameter information, thereby achieving fidelity sampling. After the sampling is completed, the drill rod 9 is taken out and the drill bit 27 is disassembled. The drill bit 27 drives the unloading ring 29 to move through the linkage rod 30 on one side of the fixed sleeve 31 to achieve rapid unloading. Compared with the traditional material collection method, this method of the device is more convenient to operate and use, has better environmental protection effect, and can unload more conveniently. According to the drilling information transmitted by the integrated sensor 6, the condition of the rock formation can be judged in time, and the drilling parameters can be adjusted to achieve fidelity sampling.

[0044] All standard parts used in the present invention can be purchased commercially, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. In addition, the circuit connections adopt conventional connection methods in the prior art and will not be described in detail here. Any matters not described in detail in this specification belong to the prior art known to professionals in this field.

[0045] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. "Multiple" means two or more, unless otherwise specifically defined.

[0046] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0047] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0048] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0049] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0050] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A portable underground tunnel surrounding rock core drilling monitoring and sampling device, comprising a mounting plate (1), characterized in that: Also includes: A mounting seat (2) is provided on one side of the mounting plate (1), a displacement adjustment assembly is provided between the mounting seat (2) and the mounting plate (1), the mounting seat (2) is fixedly connected to a mounting plate (25) on a side away from the mounting plate (1), the mounting plate (25) is rotatably connected to a gear turntable (22), a side wall of the mounting seat (2) on one side of the gear turntable (22) is fixedly connected to a transmission rack (21), a limiting assembly is provided on the gear turntable (22), one side of the gear turntable (22) is fixedly connected to a mounting rod (15), and a mounting sleeve is slidably provided on one side of the mounting rod (15). (3), a driving assembly is arranged in the mounting sleeve (3), a drilling machine (4) is fixedly mounted on the mounting sleeve (3) on one side of the mounting rod (15), an output shaft end of the drilling machine (4) is connected to a drill rod (9), an integrated sensor (6) is arranged between the drill rod (9) and the output shaft end of the drilling machine (4), a data acquisition sensor (5) is arranged on the side of the mounting sleeve (3) away from the mounting rod (15), a signal input end of the data acquisition sensor (5) is connected to a signal output end of the integrated sensor (6), the interior of the drill rod (9) is a hollow structure, and the drill rod (9) A drill bit (27) is provided at one end away from the drilling machine (4), the drill bit (27) is a hollow structure, and is connected to the drill rod (9), a discharge assembly is provided in the drill rod (9), and the discharge assembly is connected to the drill bit (27), a waste water recovery assembly is provided below the drilling machine (4), the displacement adjustment assembly includes a positioning block (18) fixedly provided on one side of the mounting seat (2), a position adjustment rod (17) is provided on the mounting plate (1) on one side of the positioning block (18) and is rotatably penetrated, the end of the position adjustment rod (17) is a threaded structure, and the position adjustment rod ( The threaded structure at the end of 17) extends into the positioning block (18) and is threadedly connected to the positioning block (18); a sliding groove (16) is provided on the mounting plate (1); a limiting rod (19) is provided in the sliding groove (16) and is slidably penetrated; the limiting rod (19) is fixedly connected to the mounting seat (2); positioning holes (20) are provided on both sides of the mounting plate (1); the limiting assembly includes a positioning column (24) that is slidably penetrated and is provided on the gear turntable (22); an elastic member (23) is sleeved on the positioning column (24); and a positioning groove (26) is provided on the mounting plate (25).

2. The portable underground tunnel surrounding rock core sampling device for monitoring while drilling according to claim 1 is characterized in that: The drive assembly includes a torsion column (7) rotatably arranged on the mounting sleeve (3), a socket (28) is provided on the torsion column (7), the torsion column (7) extends into the mounting sleeve (3), and the bottom is fixedly connected to the adjustment gear (33), the side wall of the mounting rod (15) on one side of the adjustment gear (33) is fixedly connected to the transmission gear rod (8), the transmission gear rod (8) is meshed with the adjustment gear (33), and a first torque sensor (35) is provided at the rotation connection between the torsion column (7) and the mounting sleeve (3).

3. The portable underground tunnel surrounding rock core sampling device for monitoring while drilling according to claim 1 is characterized in that: The integrated sensor (6) comprises a pressure sensor, a drilling speed sensor, a second torque sensor and a laser displacement sensor (34), wherein the laser displacement sensor (34) is located at the center of the cross section of the drill rod (9).

4. The portable underground tunnel surrounding rock core sampling device for monitoring while drilling according to claim 1 is characterized in that: The unloading assembly comprises a fixed sleeve (31), the two ends of the fixed sleeve (31) are respectively mounted and connected to the drill rod (9) and the drill bit (27), the fixed sleeve (31) is fixedly connected to the linkage rod (30) on the side close to the drill rod (9), the linkage rod (30) is located inside the drill rod (9), and the linkage rod (30) is fixedly connected to the unloading ring (29) on the end away from the fixed sleeve (31), and the unloading ring (29) is slidably connected to the inner wall of the drill rod (9).

5. The portable underground tunnel surrounding rock core sampling device for monitoring while drilling according to claim 1 is characterized in that: The wastewater recovery assembly comprises a mounting block (11), a threaded rod (10) is provided on the mounting block (11), the end of the threaded rod (10) is fixedly connected to a transmission column (12), the end of the transmission column (12) is slidably sleeved on a mounting tube (13), one side of the inner wall of the mounting tube (13) is fixedly connected to a telescopic member (37), the end of the telescopic member (37) is fixedly connected to a pressing block (36), the pressing block (36) is slidably provided in the mounting tube (13), and the end of the transmission column (12) is rotatably connected to the pressing block (36).

6. The portable underground tunnel surrounding rock core sampling device for monitoring while drilling according to claim 5 is characterized in that: The end of the installation cylinder (13) is fixedly connected to the wastewater recovery frame (14), the wastewater recovery frame (14) is fixedly connected to the filter screen (32), and a water guide pipe is provided at the bottom of the wastewater recovery frame (14).

7. A method for using the portable underground tunnel surrounding rock core sampling device while drilling according to claim 1, characterized in that: The following steps are involved: S1. First, a construction location is selected, and then the mounting plate (1) is placed on one side of the construction surface and fixed to the one side of the construction surface using expansion bolts, with an operating space left between the mounting plate (1) and the construction surface. After the installation is completed, the operator drives the mounting seat (2) to move horizontally through the displacement adjustment component to achieve horizontal adjustment of the drilling position, and at the same time drives the mounting rod (15) to rotate by rotating the gear turntable (22) to achieve adjustment of the drilling direction; S2, then use the driving assembly to drive the drilling machine (4) on one side of the installation sleeve (3) to move closer to the rock layer, and at the same time start the drilling machine (4) to drive the drill rod (9) and the drill bit (27) to rotate, so as to achieve drilling and sampling of the rock layer, while at the same time one side of the wastewater recovery assembly is in contact with the drilling position; S3. During the drilling sampling process, the operator uses an external computer to analyze the specific parameter information about the rock formation transmitted by the integrated sensor (6). Then, based on the feedback parameter information, the operator adjusts the drilling parameters in real time during the drilling process to achieve true sampling. After the sampling is completed, the operator reversely adjusts the drive assembly to remove the drill bit (27) and the drill rod (9). The drill bit (27) is disassembled and the removed rock core is taken out by the action of the unloading assembly, and then the rock formation analysis is carried out.

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