Geological exploration device for sampling based on physical method

By combining rotation and up and down slight vibration design on the core drill bit, the problem of low drilling efficiency of traditional geological exploration devices under complex geological conditions is solved, and efficient drilling and complete acquisition of core samples are achieved.

CN120253322APending Publication Date: 2025-07-04SHAANXI SCI TECH UNIV
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Patent Information

Application Number
CN202510399188.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2025-07-04

AI Technical Summary

Technical Problem

When facing complex geology, traditional geological exploration devices have low drilling efficiency and cannot effectively cut soft soil strata or broken hard rock strata.

Method used

The core drill bit is designed to rotate simultaneously and slightly up and down slightly vibrate. The core drill bit is driven by the motor-driven gears and tooth column rotation, and the upper and lower vibration is achieved through the transmission, combined with an adjustable transmission connection to adapt to different geological conditions.

Benefits of technology

It improves drilling speed, reduces energy consumption, ensures the integrity and accuracy of core samples, and adapts to drilling requirements of different geological conditions.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention relates to the technical field of geological prospecting, and discloses a geological prospecting device based on physical method sampling, the geological prospecting device comprises a bottom plate, the top of the bottom plate is provided with a connecting box, the front side of the connecting box is fixedly connected with a second motor, and the output end of the second motor is fixedly provided with a first rotating wheel; a first gear is fixedly connected to the rear end of the first rotating wheel, an end face gear is connected to the bottom of the first gear in a meshed mode, a rotating ring is fixedly connected to the bottom end of the end face gear, and a tooth column is connected to the inner diameter of the rotating ring in a meshed mode. When a second motor drives a first gear and an end face gear to rotate, a rotating ring and a tooth column are driven to rotate, so that a core drill bit at the bottom is driven to rotate and sample, meanwhile, a rotating piece at the top rotates to drive a connecting rod to move, and the connecting rod pulls the connecting piece and the tooth column to slide in the rotating ring; therefore, certain up-and-down micro-amplitude vibration is generated while the rock core drill bit rotates.
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Description

Technical Field

[0001] The present invention relates to the technical field of geological exploration, and specifically to a geological exploration device for sampling based on physical methods. Background Art

[0002] In the field of geological exploration, geological exploration devices play a crucial role. They are professional equipment integrating a variety of precision mechanical structures and the application of physical principles, mainly used for collecting geological samples on the earth's surface and within a certain depth. By cutting the drill bit into the formation, core or soil samples can be accurately obtained. In mineral resource exploration, it can help geologists deeply understand the formation structure and ore distribution, and lock in potential ore sources. During hydrogeological exploration, the samples collected can provide first-hand information for analyzing the storage and flow characteristics of groundwater. In the early stage of engineering construction, it can also provide a scientific basis for judging the foundation stability and planning the foundation design.

[0003] Traditional geological exploration devices rely only on drill bits with a single rotation method when facing complex formations. They cannot effectively cut in soft soil formations, resulting in slow drilling. In hard rock formations, due to the lack of auxiliary rock-breaking means, it is difficult to break rocks relying on the cutting force generated by rotation, which also greatly reduces the drilling efficiency. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention provides a geological exploration device for sampling based on physical methods, which solves the problem of reduced drilling efficiency of existing exploration devices when facing complex geology.

[0005] To achieve the above objectives, the present invention is realized through the following technical solutions: A geological exploration device for sampling based on physical methods, including a bottom plate. A connection box is provided on the top of the bottom plate. A second motor is fixedly connected to the front side of the connection box. A first rotating wheel is fixedly arranged at the output end of the second motor. A first gear is fixedly connected to the rear end of the first rotating wheel. A face gear is meshed and connected to the bottom of the first gear. A rotating ring is fixedly connected to the bottom end of the face gear. A tooth column is meshed and connected to the inner diameter of the rotating ring. A core drill bit is fixedly connected to the bottom end of the tooth column. Rotating members are rotatably connected to the front and rear sides of the inner wall of the connection box. A connecting rod is rotatably connected to the adjacent sides of the two rotating members. A connecting member is rotatably connected to the bottom of the connecting rod. A rotating connection is provided between the bottom of the connecting member and the tooth column. A transmission component is provided on the inner wall of the connection box.

[0006] Preferably, the transmission component includes a second rotating wheel, which is rotatably connected to the inner wall of the connection box. A belt is provided between the second rotating wheel and the first rotating wheel. A first transmission member is fixedly connected to the rear end of the second rotating wheel.

[0007] Preferably, a second chute is formed on the surface of the rotating member on the front side, and a second transmission member is slidably connected to the top of the second chute.

[0008] Preferably, a support frame is fixedly connected to the top of the bottom plate, a first motor is fixedly connected to the top of the support frame, a second threaded rod is fixedly arranged at the output end of the first motor, a lifting block is threadedly connected to the surface of the second threaded rod, and the lifting block is fixedly connected to the connection box.

[0009] Preferably, a knob is rotatably connected to the front side of the connection box, a first threaded rod is fixedly connected to the rear end of the knob, a moving plate is threadedly connected to the surface of the first threaded rod, and the moving plate is rotatably connected to the second transmission member.

[0010] Preferably, a plurality of limiting grooves are formed on the rear side of the rotating member on the front side, two limiting blocks are arranged on the front side of the rotating member, and both of the two limiting blocks are fixedly connected to the moving plate.

[0011] Preferably, a first chute is formed on the front side of the support frame, and the lifting block slides in the first chute.

[0012] Preferably, a sliding rod is fixedly connected between the front and rear sides of the inner wall of the connection box, and the sliding rod is slidably connected to the moving plate.

[0013] Preferably, universal wheels are fixedly connected to the four corners of the bottom of the bottom plate, and a rectangular groove is formed on the top of the bottom plate.

[0014] Preferably, the rotating ring is rotatably connected to the connection box, and the core bit is made of cemented carbide.

[0015] Working principle: Before the user starts the geological exploration operation, first use the universal wheels at the four corners of the bottom of the bottom plate to conveniently push the entire device to the predetermined working site, turn on the first motor to drive the second threaded rod to rotate, drive the lifting block and the connection box to lift, so as to flexibly adjust the height position of the core bit;

[0016] Turn on the second motor to drive the first rotating wheel and the first gear to rotate, drive the face gear and the rotating ring to rotate, so that the rotating ring drives the tooth column and the core bit to start rotating. At the same time, the first rotating wheel drives the second rotating wheel and the first transmission member to rotate through the belt. The first transmission member and the second transmission member cooperate with each other. When the two are joined, the rotating member is driven to rotate, thereby driving the connecting rod to move and pull the connecting member at the bottom, thereby driving the tooth column to slide in the rotating ring, so as to realize that the core bit generates small up and down vibrations while continuously rotating, giving the rock periodic additional impact force. When facing hard rock formations, it helps the core bit to better cut into the formation and effectively improve the drilling speed;

[0017] During the drilling process, when encountering relatively soft formations, to avoid unnecessary vibrations from causing excessive disturbance to the formations and ensure the integrity of the core samples, rotate the knob on the front side of the rotating connection box to drive the first threaded rod to rotate, causing the moving plate to move on the sliding rod. The moving plate drives the second transmission member to slide in the second chute, realizing the separation of the second transmission member from the first transmission member. At this time, the power of the second motor cannot be transmitted to the rotating member, and the core bit will only rotate simply. When the formation conditions change and hard rocks are encountered, the operator rotates the knob again to restore the connection of the transmission members and enable vibration-assisted rotation, enhancing the crushing ability of the core bit for hard rocks and ensuring smooth drilling and obtaining of core samples.

[0018] When the front moving plate moves backward driven by the first threaded rod, the two limit blocks are inserted into the limit grooves to lock the rotating member to prevent it from rotating, thereby preventing the core bit from shaking up and down, enabling the core bit to perform drilling and sampling work more accurately and adapting to different geological conditions and drilling requirements.

[0019] The present invention provides a geological exploration device for sampling based on physical methods. It has the following beneficial effects:

[0020] 1. When the second motor drives the first gear and the face gear to rotate, it drives the rotating ring and the tooth column to rotate, thereby driving the core bit at the bottom to rotate and sample. At the same time, the rotation of the rotating member at the top drives the connecting rod to move. At this time, the connecting rod pulls the connecting member and the tooth column to slide in the rotating ring, thereby realizing a certain amount of up and down micro-vibration while the core bit rotates. During the process of the bit cutting the rock, a periodic additional impact force is given to the rock, making it easier for the core bit to break hard rocks and improving the drilling speed.

[0021] 2. The present invention drives the first rotating wheel to rotate through the second motor, thereby driving the belt and the second rotating wheel at the top to rotate. The second rotating wheel transmits the power to the rotating member through the first transmission member and the second transmission member, thereby realizing the simultaneous driving of the core bit to rotate and vibrate up and down by the same motor, ensuring the high efficiency of energy utilization and reducing the overall energy consumption and maintenance cost.

[0022] 3. In the present invention, turning the knob drives the first threaded rod to rotate, thereby driving the moving plate to move on the sliding rod. At this time, the moving plate drives the second transmission member to move. When the second transmission member moves backward, the first transmission member is separated from the second transmission member, and the power of the second motor cannot be transmitted to the rotating member. At this time, the core bit only rotates. When encountering a relatively soft formation, the core bit only relies on rotation for drilling, avoiding unnecessary vibration from causing excessive disturbance to the formation and ensuring the integrity of the core sample. When the formation conditions change and hard rock is encountered, the knob is turned again to restore the connection of the transmission member, enabling vibration-assisted rotation to enhance the crushing ability of the core bit for hard rock and ensuring smooth drilling and obtaining the core.

[0023] 4. When the moving plate moves backward in the present invention, the two limiting blocks on the moving plate are inserted into the limiting grooves on the rotating member, and the rotating member is fixed by the limiting blocks, preventing the bottom core bit from moving up and down during rotation, ensuring the stable rotation of the core bit for cutting the formation, and avoiding the disturbance and fragmentation of the core sample caused by unnecessary up and down movement, so as to obtain a complete core sample that can truly reflect the formation characteristics. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a three-dimensional view of the present invention;

[0025] Figure 2 is a schematic diagram of the second motor of the present invention;

[0026] Figure 3 is a schematic diagram of the rotating ring of the present invention;

[0027] Figure 4 is a schematic diagram of the end face gear of the present invention;

[0028] Figure 5 is a schematic diagram of the sliding rod of the present invention;

[0029] Figure 6 is a schematic diagram of the belt of the present invention;

[0030] Figure 7 is a schematic diagram of the limiting block of the present invention;

[0031] Figure 8 is a schematic diagram of the second chute of the present invention.

[0032] Among them, 1. bottom plate; 2. support frame; 3. first chute; 4. first motor; 5. lifting block; 6. connection box; 7. knob; 8. second motor; 9. tooth column; 10. core bit; 11. rotating ring; 12. end face gear; 13. connecting piece; 14. connecting rod; 15. rotating piece; 16. first rotating wheel; 17. first gear; 18. belt; 19. first threaded rod; 20. moving plate; 21. sliding rod; 22. second rotating wheel; 23. first transmission piece; 24. second transmission piece; 25. second chute; 26. limiting groove; 27. limiting block; 28. universal wheel; 29. second threaded rod. Detailed implementation manner

[0033] Next, in combination with the specification drawings of the present invention, the technical solutions of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Please refer to the attached Figure 1 - attached Figure 3 , the embodiment of the present invention provides a geological exploration device based on physical method sampling, including a bottom plate 1. A connection box 6 is arranged on the top of the bottom plate 1. A second motor 8 is fixedly connected to the front side of the connection box 6. The output end of the second motor 8 is fixedly provided with a first rotating wheel 16. The rear end of the first rotating wheel 16 is fixedly connected with a first gear 17. The bottom of the first gear 17 is meshed and connected with an end face gear 12. The bottom end of the end face gear 12 is fixedly connected with a rotating ring 11. The inner diameter of the rotating ring 11 is meshed and connected with a tooth column 9. The bottom end of the tooth column 9 is fixedly connected with a core bit 10. Both the front and rear sides of the inner wall of the connection box 6 are rotatably connected with rotating pieces 15. The adjacent sides of the two rotating pieces 15 are rotatably connected with a connecting rod 14. The bottom of the connecting rod 14 is rotatably connected with a connecting piece 13. The bottom of the connecting piece 13 is rotatably connected with the tooth column 9. A transmission assembly is arranged on the inner wall of the connection box 6.

[0035] Specifically, the second motor 8 drives the first rotating wheel 16 and the first gear 17 to rotate. The first gear 17 is meshed and transmitted with the end face gear 12, driving the rotating ring 11 and the tooth column 9 to rotate, and further driving the core bit 10 to rotate, realizing the preliminary drilling action. At the same time, the rotating pieces 15 rotatably connected to the front and rear sides of the inner wall of the connection box 6 drive the connecting rod 14 to move during rotation. The connecting rod 14 pulls the connecting piece 13, and the connecting piece 13 pulls the tooth column 9 to slide in the rotating ring 11, enabling the core bit 10 to generate small up and down vibrations while rotating, giving the rock periodic additional impact force, and helping the core bit 10 to better cut into the formation. Especially when facing hard rocks, it can effectively improve the drilling speed.

[0036] Refer to the attachedFigure 4 -Appendix Figure 6 The transmission assembly includes a second rotating wheel 22 which is rotatably connected between the inner wall of the connection box 6. A belt 18 is provided between the second rotating wheel 22 and the first rotating wheel 16. A first transmission member 23 is fixedly connected to the rear end of the second rotating wheel 22.

[0037] Specifically, the second motor 8 drives the first rotating wheel 16 to rotate. The first rotating wheel 16 drives the second rotating wheel 22 to rotate through the belt 18. The first transmission member 23 fixed to the rear end of the second rotating wheel 22 moves accordingly. The first transmission member 23 drives the second transmission member 24 and the rotating member 15 to rotate, thereby realizing the transmission of the power of the second motor 8 to the rotating member 15, achieving the effect of simultaneously driving the core drill bit 10 to rotate and vibrate by one motor.

[0038] Refer to Appendix Figure 5 and Appendix Figure 8 On the surface of the front rotating member 15, a second sliding groove 25 is formed. A second transmission member 24 is slidably connected to the top of the second sliding groove 25.

[0039] Specifically, since the second transmission member 24 can slide in the second sliding groove 25, when the second transmission member 24 is engaged with the first transmission member 23, the second transmission member 24 can drive the rotating member 15 to rotate. The rotating member 15 then drives the tooth column 9 and the core drill bit 10 to rotate and generate a small up-and-down vibration through the connecting rod 14 and the connecting member 13, so as to meet the drilling requirements of the core drill bit 10 under different formation conditions in geological exploration.

[0040] Refer to Appendix Figure 1 On the top of the bottom plate 1, a support frame 2 is fixedly connected. On the top of the support frame 2, a first motor 4 is fixedly connected. A second threaded rod 29 is fixedly arranged at the output end of the first motor 4. A lifting block 5 is threadedly connected to the surface of the second threaded rod 29. The lifting block 5 is fixedly connected to the connection box 6.

[0041] Specifically, the first motor 4 drives the second threaded rod 29 to rotate, thereby driving the lifting block 5 and the lifting block 5 to move up and down, realizing the flexible adjustment of the height position of the core drill bit 10 according to the actual needs of geological exploration, so that it can accurately reach the formation depth where sampling is required, facilitating the sampling work of different depth formations.

[0042] Refer to Appendix Figure 2 and Appendix Figure 5 On the front side of the connection box 6, a knob 7 is rotatably connected. A first threaded rod 19 is fixedly connected to the rear end of the knob 7. A moving plate 20 is threadedly connected to the surface of the first threaded rod 19. The moving plate 20 is rotatably connected to the second transmission member 24.

[0043] Specifically, rotating the knob 7 drives the first threaded rod 19 to rotate. The first threaded rod 19 drives the moving plate 20 and the second transmission member 24 to move, and further enables the second transmission member 24 to slide in the second chute 25, realizing the connection or separation from the first transmission member 23. By rotating the knob 7, the position of the second transmission member 24 can be precisely controlled, thereby flexibly controlling whether the power is transmitted to the rotating member 15, and ultimately controlling whether the core drill bit 10 only rotates or generates small up-and-down vibrations while rotating to meet the drilling requirements under different geological conditions.

[0044] Refer to the appendix Figure 7 and the appendix Figure 8 As shown, a plurality of limiting grooves 26 are formed at the rear side of the front rotating member 15, and two limiting blocks 27 are arranged at the front side of the rotating member 15. Both of the two limiting blocks 27 are fixedly connected to the moving plate 20.

[0045] Specifically, the plurality of limiting grooves 26 cooperate with the two limiting blocks 27. When the moving plate 20 moves backward driven by the first threaded rod 19, the limiting blocks 27 will move together with the moving plate 20. When the limiting blocks 27 are inserted into the limiting grooves 26, the rotating member 15 can be locked to prevent the rotating member 15 from rotating, thereby preventing the core drill bit 10 from shaking up and down, ensuring the working reliability of the entire drilling device, enabling the core drill bit 10 to perform drilling and sampling work more accurately, and adapting to different geological conditions and drilling requirements.

[0046] Refer to the appendix Figure 1 As shown, a first chute 3 is formed at the front side of the support frame 2, and the lifting block 5 slides in the first chute 3.

[0047] Specifically, when the lifting block 5 slides in the first chute 3, the stability and accuracy of the lifting block 5 during the up-and-down movement can be ensured, enabling it to move in a straight line only along the direction of the first chute 3, and avoiding shaking or deviation of the lifting block 5 during the movement.

[0048] Refer to the appendix Figure 5 As shown, a slide rod 21 is fixedly connected between the front and rear sides of the inner wall of the connection box 6, and the slide rod 21 is slidably connected to the moving plate 20.

[0049] Specifically, the slide rod 21 provides sliding support and guidance for the moving plate 20, making the moving plate 20 move more smoothly when driven by the first threaded rod 19, and preventing the moving plate 20 from shaking or twisting during the movement.

[0050] Refer to the appendix Figure 1 As shown, universal wheels 28 are fixedly connected to the four corners at the bottom of the bottom plate 1, and a rectangular groove is formed at the top of the bottom plate 1.

[0051] Specifically, the universal wheels 28 fixedly connected to the four corners of the bottom of the bottom plate 1 endow the entire device with good mobility and flexibility, facilitating the movement and transportation of the device between different working sites. The rectangular groove provides a descending channel for the core bit 10, enabling the core bit 10 to smoothly pass through the bottom plate 1 and reach the ground for sampling work.

[0052] Refer to the appendix Figure 1 and the appendix Figure 3 The rotating ring 11 is rotatably connected to the connection box 6, and the core bit 10 is made of cemented carbide.

[0053] Specifically, the rotating ring 11 is rotatably connected to the connection box 6, ensuring that the core bit 10 can cut the formation by rotation during drilling, improving the drilling efficiency and quality. The core bit 10 is made of cemented carbide, which has the advantages of high hardness, high strength, high wear resistance and good corrosion resistance. It can adapt to various complex geological conditions, is not easily worn and damaged when drilling hard rock formations, ensuring the service life and drilling effect of the core bit 10, and ensuring that complete and accurate core samples can be obtained, providing reliable data support for geological exploration and research.

[0054] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A geological exploration device based on physical sampling methods, comprising a bottom plate (1), characterized in that: A connection box (6) is provided at the top of the bottom plate (1). A second motor (8) is fixedly connected to the front side of the connection box (6). A first rotating wheel (16) is fixedly arranged at the output end of the second motor (8). A first gear (17) is fixedly connected to the rear end of the first rotating wheel (16). An end face gear (12) is meshed and connected to the bottom of the first gear (17). A rotating ring (11) is fixedly connected to the bottom end of the end face gear (12). A tooth column (9) is meshed and connected to the inner diameter of the rotating ring (11). A core drill bit (10) is fixedly connected to the bottom end of the tooth column (9). Rotating members (15) are rotatably connected to both the front and rear sides of the inner wall of the connection box (6). A connecting rod (14) is rotatably connected to the adjacent side of the two rotating members (15). A connecting member (13) is rotatably connected to the bottom of the connecting rod (14). A rotating connection is provided between the bottom of the connecting member (13) and the tooth column (9). A transmission assembly is arranged on the inner wall of the connection box (6).

2. The geological exploration device based on physical method sampling according to claim 1, characterized in that: The transmission assembly includes a second rotating wheel (22). The second rotating wheel (22) is rotatably connected to the inner wall of the connection box (6). A belt (18) is arranged between the second rotating wheel (22) and the first rotating wheel (16). A first transmission member (23) is fixedly connected to the rear end of the second rotating wheel (22).

3. The geological exploration device based on physical method sampling according to claim 1, characterized in that: A second sliding groove (25) is formed on the surface of the front rotating member (15). A second transmission member (24) is slidably connected to the top of the second sliding groove (25).

4. A geological exploration device based on physical sampling according to claim 2, characterized in that: A support frame (2) is fixedly connected to the top of the bottom plate (1). A first motor (4) is fixedly connected to the top of the support frame (2). A second threaded rod (29) is fixedly arranged at the output end of the first motor (4). A lifting block (5) is threadedly connected to the surface of the second threaded rod (29). A fixed connection is provided between the lifting block (5) and the connection box (6).

5. The geological exploration device based on physical method sampling according to claim 1, characterized in that: A knob (7) is rotatably connected to the front side of the connection box (6). A first threaded rod (19) is fixedly connected to the rear end of the knob (7). A moving plate (20) is threadedly connected to the surface of the first threaded rod (19). A rotating connection is provided between the moving plate (20) and the second transmission member (24).

6. The geological exploration device based on physical sampling according to claim 1, characterized in that: A plurality of limiting grooves (26) are formed on the rear side of the front rotating member (15). Two limiting blocks (27) are arranged on the front side of the rotating member (15). Both of the two limiting blocks (27) are fixedly connected to the moving plate (20).

7. A geological exploration device based on physical sampling according to claim 4, characterized in that: A first sliding groove (3) is formed on the front side of the support frame (2). The lifting block (5) slides in the first sliding groove (3).

8. A geological exploration device based on physical sampling according to claim 1, characterized in that: A sliding rod (21) is fixedly connected between the front and rear sides of the inner wall of the connection box (6). A sliding connection is provided between the sliding rod (21) and the moving plate (20).

9. The geological exploration device based on physical method sampling according to claim 1, characterized in that: Universal wheels (28) are fixedly connected to the four corner positions of the bottom of the bottom plate (1). A rectangular groove is formed on the top of the bottom plate (1).

10. A geological exploration device based on physical method sampling according to claim 1, characterized in that: The rotating ring (11) is rotatably connected to the connection box (6). The core drill bit (10) is made of cemented carbide material.