Multifunctional geological survey sampling device suitable for complex stratum

Abstract

The invention discloses a multifunctional geological survey sampling device suitable for a complex stratum, and relates to the technical field of geological engineering. Reinforcing mechanisms are installed on the two sides of the top end of the base, a drilling mechanism is jointly installed between the upper portions of the outer surfaces of the two reinforcing mechanisms, and an environment monitoring mechanism is installed on the front side of the top end of the base. Through cooperative work of the lifting plate, the drilling driving assembly, the drilling rod, the drilling blades and the drilling bit, the problems that when sampling is carried out in a complex stratum, drill jamming is likely to happen, the drill bit is abraded fast, and the drilling efficiency is low are effectively solved, through the combined type drilling bit integrating the fixed blades and the cones, the working modes can be flexibly switched, and the sampling efficiency is improved. The pressure sensor embedded in the drilling bit can feed back stratum hardness information in real time and automatically adjust drilling parameters, manual intervention is reduced, drilling efficiency and accuracy are improved, and cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of geological engineering, and particularly relates to a multifunctional geological survey sampling device suitable for complex strata. BACKGROUND

[0002] Geological survey is a process of systematically obtaining underground geological information through geological investigation, geophysical exploration, drilling sampling and in-situ testing, and its essence is to provide scientific basis for engineering construction, resource development and disaster prevention by peering into the underground world. When geological survey is carried out, a sampling device is used to sample the survey site. The sampling device is a device specially used for collecting rock cores, soil samples and water samples.

[0003] A geological survey sampling device is disclosed in Chinese Patent No. CN220188060U. The device is provided with a protective device, and a telescopic cover is arranged outside the drill bit. When drilling and sampling are carried out, the soil is shielded by the telescopic cover to prevent it from splashing into the eyes or body of the user. The telescopic cover is convenient to extend and retract, and the drill bit is convenient to lift and lower.

[0004] The existing sampling device is designed for a single stratum. In complex strata where broken zones, frozen soil, water-bearing layers and high-hardness rock layers appear alternately, the device is prone to problems such as sticking, fast drill bit wear and low drilling efficiency, which seriously affects the drilling progress and cost. SUMMARY

[0005] The present application provides a multifunctional geological survey sampling device suitable for complex strata to solve the problems of sticking and fast drill bit wear in the prior art in complex strata.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a multifunctional geological survey sampling device suitable for complex strata, comprising a base;

[0007] Two reinforcing mechanisms are installed on the top of the base, a drilling mechanism is installed between the outer surfaces of the two reinforcing mechanisms, and an environmental monitoring mechanism is installed on the front side of the top of the base.

[0008] The drilling mechanism comprises a lifting plate, a drilling drive assembly, a drilling rod, a drilling blade and a drilling bit. The lifting plate is screw-mounted on the outer surface of the two reinforcing mechanisms. The drilling drive assembly is installed on the top middle part of the lifting plate. The drilling rod is installed on the output end of the drilling drive assembly, and the top end of the drilling rod is installed on the bottom end of the lifting plate through a bearing. The drilling blade is installed on the outer surface of the drilling rod. The drilling bit is installed on the bottom end of the drilling rod.

[0009] Further, the drilling bit comprises a bit body, a connecting head, fixed blades and cone rollers, the connecting head is arranged at the top end of the bit body, and the bit body is threadedly installed at the bottom end of the drilling rod through the connecting head, and the fixed blades and the cone rollers are both provided with two, the two fixed blades are installed on the two side outer walls of the bit body, and the two cone rollers are installed on the other two side outer walls of the bit body.

[0010] Further, the reinforcing mechanism comprises an adjusting screw rod, an adjusting drive assembly, a belt pulley set, an adjusting cylinder, a reinforcing screw rod, a storage cylinder and reinforcing leaves, the adjusting screw rod is threadedly connected with the lifting plate, the adjusting drive assembly is installed at the top end of the adjusting screw rod, the belt pulley set is installed on the lower side of the outer surface of the adjusting screw rod, the adjusting cylinder is embeddedly installed on one side of the bottom end of the belt pulley set, the reinforcing screw rod is threadedly installed in the interior of the adjusting cylinder, the storage cylinder is installed at the bottom end of the adjusting cylinder through a bearing, and the bottom end of the storage cylinder is installed at the top end of the base, and the reinforcing leaves are installed on the lower side of the outer surface of the reinforcing screw rod.

[0011] Further, the belt pulley set comprises drive wheels and a transmission belt, the drive wheels are provided with two, and the two drive wheels are respectively installed on the lower side of the outer surface of the adjusting screw rod and the upper side of the outer surface of the adjusting cylinder, and the transmission belt is sleevedly installed between the middle parts of the outer surfaces of the two drive wheels.

[0012] Further, the environmental monitoring mechanism comprises a controller, a soil humidity sensor, a temperature sensor, a gas sensor, a dust sensor, a vibrating string sensor and a resistivity sensor, the controller is installed at the top end of the base, the soil humidity sensor is installed on the outer surface of the drilling rod close to the bottom end, the temperature sensor is installed in the interior of the bit body, the gas sensor is installed at one end of the controller, the dust sensor is installed at the other end of the controller, the vibrating string sensor is installed on the reinforcing screw rod, and the resistivity sensor is installed on the outer surface of the drilling rod.

[0013] Further, support frames are installed between the two sides of the top end of the base, adjusting grooves are formed in the inner walls of the two sides of the support frames, counterweights are installed at the four corners of the top end of the base, a through hole is formed in the middle of the bottom end of the base, and universal wheels are installed at the four corners of the bottom end of the base.

[0014] Further, two limiting grooves are formed in the outer walls of the two sides of the lifting plate, and the lifting plate is slidably connected with the adjusting grooves through the limiting grooves, the drilling rod and the through hole are located on the same vertical line, and the drilling blades are arranged in a spiral structure.

[0015] Further, a pressure sensor is arranged at the middle of the bottom end of the bit body, a plurality of PDC teeth are arranged on the outer wall of the fixed blade, a plurality of teeth are arranged on the outer wall of the cone roller, and the fixed blade and the cone roller are distributed in a staggered manner.

[0016] Further, the top end of the reinforcing screw rod is provided with a limiting block, the reinforcing blades are arranged in a spiral structure, and the height of the reinforcing blades is smaller than the height of the accommodating cylinder.

[0017] Further, the soil humidity sensor, the temperature sensor, the gas sensor, the dust sensor, the vibrating string sensor and the resistivity sensor are electrically connected with the controller, and the environment monitoring mechanism is electrically connected with the reinforcing mechanism and the drilling mechanism.

[0018] Compared with the prior art, the application has the following beneficial effects:

[0019] (1) The application effectively solves the problems of easy sticking, fast drill bit wear and low drilling efficiency when sampling in complex strata through the cooperative work of the lifting plate, the drilling driving assembly, the drilling rod, the drilling blade and the drilling bit, the composite drilling bit integrating the fixed blade wing and the roller can flexibly switch the working mode to adapt to various strata conditions such as soft soil, rock and frozen soil, the embedded pressure sensor on the drilling bit can feed back the strata hardness information in real time, automatically adjust the drilling parameters, reduce manual intervention, improve the drilling efficiency and accuracy, and reduce the cost.

[0020] (2) The application realizes the stable anchoring of the equipment in the drilling process through the cooperative work of the adjusting screw rod, the adjusting driving assembly, the belt pulley set and the adjusting cylinder, when the drilling mechanism works, the reinforcing screw rod drills into the strata through rotation to provide strong anchoring force, effectively prevents the equipment from tilting or displacing in the drilling process, ensures the stability and safety of the drilling operation, and the reinforcing blades are designed in a spiral structure to increase the contact area with the strata, further improving the anchoring effect.

[0021] (3) The application realizes the integration of geological exploration and environment monitoring through the cooperative work of the controller, the soil humidity sensor, the temperature sensor and the gas sensor, in the drilling process, the mechanism can monitor and record the key environmental parameters such as soil humidity, temperature, gas composition, dust concentration, strata stress and resistivity in real time, providing rich environmental background information for geological exploration, so that the device can automatically adjust the drilling parameters according to the changes of the environmental parameters to realize intelligent operation. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0023] Figure 1The overall structural schematic diagram provided for the embodiment of the present application is shown in the figure.

[0024] Figure 2 The bottom view structural schematic diagram provided for the embodiment of the present application is shown in the figure.

[0025] Figure 3 The connection schematic diagram of the reinforcing mechanism and the drilling mechanism provided for the embodiment of the present application is shown in the figure.

[0026] Figure 4 The structural schematic diagram of the drilling mechanism provided for the embodiment of the present application is shown in the figure.

[0027] Figure 5 The structural schematic diagram of the drilling bit provided for the embodiment of the present application is shown in the figure.

[0028] Figure 6 The structural schematic diagram of the reinforcing mechanism provided for the embodiment of the present application is shown in the figure.

[0029] Figure 7 The structural sectional view of the storage cylinder provided for the embodiment of the present application is shown in the figure.

[0030] Figure 8 The structural schematic diagram of the environment monitoring mechanism provided for the embodiment of the present application is shown in the figure.

[0031] Explanation of reference signs:

[0032] 1, base; 2, support frame; 3, adjusting groove; 4, reinforcing mechanism; 41, adjusting screw; 42, adjusting drive assembly; 43, belt pulley set; 431, drive wheel; 432, transmission belt; 44, adjusting cylinder; 45, reinforcing screw; 46, storage cylinder; 47, reinforcing blade; 5, drilling mechanism; 51, lifting plate; 52, drilling drive assembly; 53, drilling rod; 54, drilling blade; 55, drilling bit; 551, bit body; 552, connecting head; 553, fixed blade; 554, tooth roller; 6, environment monitoring mechanism; 61, controller; 62, soil humidity sensor; 63, temperature sensor; 64, gas sensor; 65, dust sensor; 66, vibrating wire sensor; 67, resistivity sensor; 7, counterweight; 8, through hole; 9, universal wheel. DETAILED DESCRIPTION

[0033] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings.

[0034] As shown in the figures, Figure 1 to the figures, Figure 8 as shown:

[0035] Example 1

[0036] The present application provides a multifunctional geological exploration sampling device suitable for complex strata, which comprises a base 1.

[0037] The top end of the base 1 is provided with a reinforcing mechanism 4 on both sides, the outer surfaces of the two reinforcing mechanisms 4 are jointly provided with a drilling mechanism 5, and the top end of the base 1 is provided with an environmental monitoring mechanism 6 on the front side;

[0038] The drilling mechanism 5 comprises a lifting plate 51, a drilling driving assembly 52, a drilling rod 53, drilling blades 54 and a drilling bit 55. The lifting plate 51 is screw-mounted on the outer surfaces of the two reinforcing mechanisms 4. The drilling driving assembly 52 is mounted on the top end of the lifting plate 51. The drilling driving assembly 52 is provided as an electric motor, which is the power source of the drilling mechanism 5 and provides rotary power for drilling operation. The drilling rod 53 is mounted on the output end of the drilling driving assembly 52, and the top end of the drilling rod 53 is mounted on the bottom end of the lifting plate 51 through a bearing. The drilling blades 54 are mounted on the outer surface of the drilling rod 53. The drilling bit 55 is mounted on the bottom end of the drilling rod 53.

[0039] The drilling bit 55 comprises a bit body 551, a connecting head 552, fixed blades 553 and rollers 554. The connecting head 552 is arranged on the top end of the bit body 551, and the bit body 551 is screw-mounted on the bottom end of the drilling rod 53 through the connecting head 552. This screw mounting mode facilitates the disassembly and replacement of the drilling bit 55 and facilitates the installation of the drilling rod 53, the extension of the length of the drilling rod 53 and the expansion function of the drill rod. The fixed blades 553 and the rollers 554 are both provided with two. The two fixed blades 553 are mounted on the two outer walls on the sides of the bit body 551, and the two rollers 554 are mounted on the other two outer walls on the sides of the bit body 551.

[0040] A support frame 2 is mounted between the top ends of the base 1 on both sides. The two inner walls of the support frame 2 are both provided with an adjusting groove 3, which is used to cooperate with subsequent components to realize the lifting adjustment function. The top end of the base 1 is provided with a counterweight 7 at each corner. The counterweight 7 increases the stability of the device and prevents the device from tipping over and other dangerous situations due to unstable center of gravity during drilling. A through hole 8 is formed in the middle of the bottom end of the base 1, which provides a passage for the descent of the drilling rod 53 and drilling operation. A universal wheel 9 is mounted at each corner of the bottom end of the base 1. The bearing capacity of the universal wheel 9 meets the industrial standard (single wheel bearing 100-500 kg). The total bearing capacity of the four wheels can reach 400-2000 kg. The universal wheel 9 allows the device to be easily moved to different survey sites, improving the mobility of the device. The universal wheel 9 is provided with a brake, which can fix the position and prevent displacement during drilling.

[0041] Both sides of the lifting plate 51 are provided with two limiting grooves, and the lifting plate 51 is connected with the adjusting groove 3 through the limiting grooves, so that the lifting plate 51 can be guided to move up and down in the adjusting groove 3, thereby realizing the lifting of the drilling rod 53 to adapt to the drilling requirements of different depths. The drilling rod 53 and the through hole 8 are located on the same vertical line, ensuring that the drilling rod 53 and the through hole 8 are coaxial, improving the drilling accuracy. The drilling blade 54 is provided in a spiral structure, which can convey the soil and stones drilled downward upward during the drilling process, playing a role in slag removal, and also helps the drilling rod 53 to better enter the stratum;

[0042] The bottom end of the drill bit body 551 is provided with a pressure sensor, which can monitor the pressure change in the drilling process in real time and transmit the data to the controller 61. The drilling parameters such as drilling speed and drilling pressure can be adjusted according to the pressure data to adapt to different stratum conditions. The outer wall of the fixed blade wing 553 is provided with a plurality of PDC teeth, which have high hardness and high wear resistance. The PDC teeth can effectively crush the stratum rock during the drilling process. The outer wall of the cone 554 is provided with a plurality of teeth, which can impact and crush the stratum during rotation. The fixed blade wing 553 and the cone 554 are distributed in a staggered manner, which makes the drilling bit 55 more fully crush the stratum during the drilling process, improving the drilling efficiency.

[0043] Working principle: first, the device is moved to the survey site, the use of the base 1 bottom end of the universal wheel 9 to realize flexible positioning, and through the base 1 top end of the counterweight 7 to ensure the stability of the equipment, drilling, lifting plate 51 in the drive of the reinforcement mechanism 4 to realize vertical lifting, can drive the drilling rod 53 to move down, at the same time, the drilling drive assembly 52 starts, drive the drilling rod 53 and the drilling blade 54 and drilling bit 55 on it rotate, spiral drilling blade 54 effectively improve the drilling efficiency and deslagging capacity, drilling bit 55 at the bottom of the drilling rod 53 adopts composite design, the fixed blade 553 is installed on both sides of the bit body 551, and a plurality of PDC teeth are arranged thereon to realize efficient cutting, and the other two sides are provided with cone 554, and the teeth on the outer wall of the cone enhance the crushing capacity, the fixed blade 553 and the cone 554 are staggered, which is suitable for soft and hard alternating stratum, at the same time, through the connecting head 552, the bit body 551 can be quickly disassembled and assembled, which is convenient for replacing the drill bit type according to different survey requirements, and the flexibility and applicability of the equipment are enhanced, and the pressure sensor at the bottom of the bit body 551 can monitor the stratum pressure in real time, and feedback to the controller 61 to adjust the working mode and drilling parameters (such as rotation speed, drilling pressure), reduce manual intervention, improve drilling efficiency and accuracy, when in soft stratum mode, a plurality of PDC teeth on the fixed blade 553 dominate drilling, and the cone 554 is in a follow-up state, reducing energy loss, which can reduce the invalid rolling of the cone 554 in soft stratum, when in hard stratum mode, the cone 554 starts to work independently, and the fixed blade 553 serves as an auxiliary cutting element to crush rocks together, which can reduce the impact load of PDC teeth on the fixed blade 553 in hard stratum, thereby prolonging the service life of the drilling bit 55 and reducing the time consumption and equipment loss caused by frequent replacement of the drill bit, and reducing the inventory management cost of the drill bit, when in transition stratum mode, the fixed blade 553 and the cone 554 work together, and the drilling pressure distribution and rotation speed are adjusted in real time according to the hardness of the stratum, realizing smooth transition, effectively solving the problems of sticking, fast drill bit wear and low drilling efficiency when sampling in complex stratum (such as broken zone, permafrost, water-bearing layer, high hardness rock layer alternatingly appearing).

[0044] Example two:

[0045] The embodiment is basically same as the last embodiment, the difference is that the reinforcing mechanism 4 comprises an adjusting screw 41, an adjusting drive assembly 42, a pulley set 43, an adjusting cylinder 44, a reinforcing screw 45, a storage cylinder 46 and a reinforcing blade 47, the adjusting screw 41 is threadedly connected with the lifting plate 51, the thread connection enables the adjusting screw 41 to drive the lifting plate 51 to move up and down when rotating, and the adjusting screw 41 is installed between the inner walls of the two sides of the adjusting groove 3 through bearings, the adjusting drive assembly 42 is installed at the top end of the adjusting screw 41, the adjusting drive assembly 42 is a power output device, which can be a common driving device such as a motor, and can provide stable rotary power, the pulley set 43 is installed on the lower side of the outer surface of the adjusting screw 41, the adjusting cylinder 44 is embeddedly installed on the bottom end of the pulley set 43, the adjusting cylinder 44 is a hollow cylindrical structure, and the inside is provided with threads matched with the reinforcing screw 45, the reinforcing screw 45 is threadedly installed in the inside of the adjusting cylinder 44, the storage cylinder 46 is installed at the bottom end of the adjusting cylinder 44 through bearings, the storage cylinder 46 enables the reinforcing blade 47 to be properly stored when not in use, and the bottom end of the storage cylinder 46 is installed at the top end of the base 1, the reinforcing blade 47 is installed on the lower side of the outer surface of the reinforcing screw 45;

[0046] The pulley set 43 comprises a driving wheel 431 and a transmission belt 432, the driving wheel 431 is provided with two, and the two driving wheels 431 are respectively installed on the lower side of the outer surface of the adjusting screw 41 and the upper side of the outer surface of the adjusting cylinder 44, the driving wheel 431 is a disc-shaped structure, and the surface is provided with a wheel groove matched with the transmission belt 432, the transmission belt 432 is sleevedly installed between the middle parts of the outer surfaces of the two driving wheels 431, and the transmission belt 432 is an annular belt with certain elasticity and strength, and can transmit power;

[0047] The top end of the reinforcing screw 45 is installed with a limiting block, the limiting block ensures that it will not come out of the adjusting cylinder 44 during rotation, the reinforcing blade 47 is provided in a spiral structure, the spiral reinforcing blade 47 can gradually enter the stratum like a drill bit during deep stratum penetration, reduces the resistance when directly inserted, can better combine with the stratum, and improves the reinforcing effect, and the height of the reinforcing blade 47 is smaller than that of the storage cylinder 46, the height design enables the reinforcing blade 47 not to exceed the range of the storage cylinder 46 when completely stored, facilitating the movement and storage of the equipment.

[0048] Working principle: before the drilling mechanism 5 starts to work, the adjusting drive assembly 42 starts to work, driving the adjusting screw 41 connected therewith to rotate, the rotation of the adjusting screw 41 drives the lifting plate 51 to vertically lift and adjust, so as to adapt to the drilling requirements of different depths, at the same time, the belt pulley set 43 on the adjusting screw 41 starts to work, synchronously transmitting power to the reinforcing screw 45, when the adjusting screw 41 rotates, the driving wheel 431 installed thereon drives the transmission belt 432 to rotate, then the driving wheel 431 installed on the adjusting cylinder 44 drives it to synchronously rotate, and then drives the reinforcing screw 45 screwedly installed in the adjusting cylinder 44 to rotate and extend downward, with the rotation and extension of the reinforcing screw 45, the helical reinforcing blade 47 installed on the lower side of the outer surface thereof gradually drills into the stratum, providing stable anchoring force, and the reinforcing blade 47 is designed as a helical structure, increasing the contact area with the stratum, further improving the anchoring effect, so as to realize the stable anchoring of the equipment in the drilling process, prevent the equipment from tilting or displacing in the drilling process, and ensure the stability and safety of the drilling operation, at the same time, the vibrating string sensor 66 in the environmental monitoring mechanism 6 feeds back the stratum stress change to the controller 61 in real time, the controller 61 dynamically adjusts the rotating speed of the adjusting drive assembly 42, compensates for the uneven stratum resistance difference, and guarantees the synchronism of the adjusting screw 41 and the drilling rod 53, when the drilling rod 53 is added after the drilling and drilled again, through the transmission of the belt pulley set 43, the helical reinforcing blade 47 of the reinforcing screw 45 can drill into the stratum again, play an anchoring role, and cooperate with the counterforce of the counterweight 7, improve the stability of the device.

[0049] Example three:

[0050] The embodiment is basically the same as the previous embodiment, and the difference lies in that the environmental monitoring mechanism 6 comprises a controller 61, a soil humidity sensor 62, a temperature sensor 63, a gas sensor 64, a dust sensor 65, a vibrating string sensor 66 and a resistivity sensor 67, the controller 61 is installed at the top end of the base 1, the soil humidity sensor 62 is installed on the outer surface of the drilling rod 53 near the bottom end, the soil humidity sensor 62 can monitor the humidity of the soil around the drilling position in real time, the temperature sensor 63 is installed inside the drill bit body 551, the gas sensor 64 is installed at one end of the controller 61, the gas sensor 64 can monitor the gas composition and concentration in the surrounding environment in real time, and timely discover abnormal conditions, the dust sensor 65 is installed at the other end of the controller 61, the dust sensor 65 can monitor the dust in real time, and provide data support for evaluating geological disaster risk, the vibrating string sensor 66 is installed on the reinforcing screw rod 45, the vibrating string sensor 66 can monitor the stress change of the reinforcing screw rod 45, so as to reflect the connection strength between the device and the stratum and the stability of the stratum, and the resistivity sensor 67 is installed on the outer surface of the drilling rod 53, the resistivity sensor 67 can monitor the resistivity change of the stratum around the drilling rod 53, and the structure and properties of the stratum can be understood, which provides a basis for prediction and analysis of geological disasters;

[0051] The soil humidity sensor 62, the temperature sensor 63, the gas sensor 64, the dust sensor 65, the vibrating string sensor 66 and the resistivity sensor 67 are electrically connected with the controller 61, the controller 61 is the core control component of the environmental monitoring mechanism 6, is responsible for receiving and processing the data transmitted by each sensor, and transmits the processed data to an external device or performs local storage, the environmental monitoring mechanism 6 is electrically connected with the reinforcing mechanism 4 and the drilling mechanism 5, realizes real-time sharing and cooperative work of data, and the controller 61 can control the working state of the reinforcing mechanism 4 and the drilling mechanism 5 according to the data transmitted by each sensor.

[0052] Working principle: when the drilling mechanism 5 starts to drill the stratum, the environmental monitoring mechanism 6 starts to work synchronously, the controller 61 as the core processing unit receives and processes the data from various sensors, the soil humidity sensor 62 is installed on the outer surface of the drilling rod 53 near the bottom end, which monitors the soil humidity change in the drilling process in real time and transmits the data to the controller 61, the temperature sensor 63 is embedded in the drill bit body 551, which accurately senses the temperature of the drill bit during work, prevents equipment damage due to overheating, and feeds back the stratum temperature information to the controller 61, the gas sensor 64 is installed at one end of the controller 61, which continuously monitors the gas composition in the drilling area, especially the concentration of harmful gases that may exist, to ensure the safety of the operation, the dust sensor 65 is installed at the other end of the controller 61, which detects the dust concentration in the air in real time to prevent the influence of dust pollution on equipment and personnel, the vibrating wire sensor 66 is installed on the reinforcing screw 45, which indirectly reflects the stratum stress and equipment stability by monitoring the vibration frequency of the reinforcing screw 45, and provides a safety warning for the drilling process, the resistivity sensor 67 is installed on the outer surface of the drilling rod 53, which measures the resistivity of the stratum to assist in analyzing the stratum lithology and water content, all sensor data are transmitted to the controller 61 in real time, which can monitor and record the key environmental parameters such as soil humidity, temperature, gas composition, dust concentration, stratum stress and resistivity in real time during drilling, providing rich environmental background information for geological exploration, which not only helps to more accurately analyze the stratum characteristics, but also can timely find potential geological disaster risks (such as gas leakage, stratum instability, etc.), providing strong guarantee for engineering safety, realizing the integration of geological exploration and environmental monitoring, after processing, the controller 61 can adjust the working state of the drilling mechanism 5 and the reinforcing mechanism 4 according to the preset parameters or real-time feedback, such as adjusting the drilling speed, rotating torque or reinforcing intensity, to realize the optimization and safety control of the drilling process, realizing intelligent operation.

[0053] The foregoing merely describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present application.

Claims

1. A multifunctional geological survey sampling device suitable for complex strata, characterized in that: include: Base (1); Reinforcement mechanisms (4) are installed on both sides of the top of the base (1), a drilling mechanism (5) is installed between the upper parts of the outer surfaces of the two reinforcement mechanisms (4), and an environmental monitoring mechanism (6) is installed on the front side of the top of the base (1); The drilling mechanism (5) comprises a lifting plate (51), a drilling drive assembly (52), a drilling rod (53), a drilling blade (54) and a drilling drill bit (55); the lifting plate (51) is threadedly mounted on the outer surfaces of the two reinforcement mechanisms (4); the drilling drive assembly (52) is mounted at the middle of the top end of the lifting plate (51); the drilling rod (53) is mounted at the output end of the drilling drive assembly (52); and the top end of the drilling rod (53) is mounted at the bottom end of the lifting plate (51) through a bearing; the drilling blade (54) is mounted on the outer surface of the drilling rod (53); and the drilling drill bit (55) is mounted at the bottom end of the drilling rod (53).

2. A multifunctional geological survey sampling device suitable for complex strata according to claim 1, characterized in that: The drilling drill bit (55) includes a drill bit body (551), a connector (552), a fixed blade (553) and a gear (554). The connector (552) is arranged at the top of the drill bit body (551), and the drill bit body (551) is threadedly mounted on the bottom end of the drilling rod (53) through the connector (552). There are two fixed blades (553) and two gears (554). The two fixed blades (553) are mounted on the outer walls of both sides of the drill bit body (551), and the two gears (554) are mounted on the outer walls of the other two sides of the drill bit body (551).

3. The multifunctional geological survey sampling device suitable for complex strata according to claim 1, characterized in that: The reinforcing mechanism (4) comprises an adjusting screw (41), an adjusting drive assembly (42), a pulley group (43), an adjusting cylinder (44), a reinforcing screw (45), a receiving cylinder (46) and a reinforcing leaf (47), wherein the adjusting screw (41) is threadedly connected to the lifting plate (51), the adjusting drive assembly (42) is mounted on the top of the adjusting screw (41), the pulley group (43) is mounted on the lower side of the outer surface of the adjusting screw (41), the adjusting cylinder (44) is embedded on one side of the bottom end of the pulley group (43), the reinforcing screw (45) is threadedly mounted inside the adjusting cylinder (44), the receiving cylinder (46) is mounted on the bottom end of the adjusting cylinder (44) through a bearing, and the bottom end of the receiving cylinder (46) is mounted on the top end of the base (1), and the reinforcing leaf (47) is mounted on the lower side of the outer surface of the reinforcing screw (45).

4. A multifunctional geological survey sampling device suitable for complex strata according to claim 3, characterized in that: The pulley assembly (43) comprises a driving wheel (431) and a transmission belt (432). Two driving wheels (431) are provided, and the two driving wheels (431) are respectively mounted on the lower side of the outer surface of the adjusting screw (41) and the upper side of the outer surface of the adjusting cylinder (44). The transmission belt (432) is sleeved and mounted between the middle parts of the outer surfaces of the two driving wheels (431).

5. The multifunctional geological survey sampling device suitable for complex strata according to claim 1, characterized in that: The environmental monitoring mechanism (6) comprises a controller (61), a soil moisture sensor (62), a temperature sensor (63), a gas sensor (64), a dust sensor (65), a vibrating string sensor (66) and a resistivity sensor (67); the controller (61) is mounted on the top of the base (1); the soil moisture sensor (62) is mounted on the outer surface of the drilling rod (53) near the bottom; the temperature sensor (63) is mounted inside the drill bit body (551); the gas sensor (64) is mounted on one end of the controller (61); the dust sensor (65) is mounted on the other end of the controller (61); the vibrating string sensor (66) is mounted on the reinforcing screw (45); and the resistivity sensor (67) is mounted on the outer surface of the drilling rod (53).

6. The multifunctional geological survey sampling device suitable for complex strata according to claim 1, characterized in that: A support frame (2) is installed between the two sides of the top of the base (1), and adjustment grooves (3) are provided on the inner walls of both sides of the support frame (2). Counterweight blocks (7) are installed at the four corners of the top of the base (1). A through hole (8) is provided in the middle of the bottom of the base (1), and universal wheels (9) are installed at the four corners of the bottom of the base (1).

7. The multifunctional geological survey sampling device suitable for complex strata according to claim 6, characterized in that: Two limiting grooves are provided on both outer walls of the lifting plate (51), and the lifting plate (51) is slidably connected to the adjustment groove (3) through the limiting grooves. The drilling rod (53) and the through hole (8) are located on the same vertical line, and the drilling blade (54) is configured as a spiral structure.

8. The multifunctional geological survey sampling device suitable for complex strata according to claim 2, characterized in that: A pressure sensor is provided at the middle of the bottom end of the drill bit body (551), a plurality of PDC teeth are provided on the outer wall of the fixed blade (553), a plurality of teeth are provided on the outer wall of the gear (554), and the fixed blade (553) and the gear (554) are arranged in an interlaced manner.

9. The multifunctional geological survey sampling device suitable for complex strata according to claim 3, characterized in that: A limit block is installed at the top end of the reinforcing screw rod (45), and the reinforcing leaf (47) is configured as a spiral structure, and the height of the reinforcing leaf (47) is smaller than the height of the storage cylinder (46).

10. The multifunctional geological survey sampling device suitable for complex strata according to claim 5, characterized in that: The soil moisture sensor (62), temperature sensor (63), gas sensor (64), dust sensor (65), vibrating wire sensor (66) and resistivity sensor (67) are all electrically connected to the controller (61), and the environmental monitoring mechanism (6) is electrically connected to the reinforcement mechanism (4) and the drilling mechanism (5).

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