A core drilling sampling device

CN224650946UActive Publication Date: 2026-08-18ORDOS INST OF APPLIED TECH
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Patent Information

Application Number
CN202521967813.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-12
Publication Date
2026-08-18
Estimated Expiration
2035-09-12

AI Technical Summary

Technical Problem

[0003]在进行硬质岩芯取样时,通常需要在切割过后进行岩芯取出处理,而去出过程通常由于钻孔壁较为狭窄以及岩芯硬度过高导致岩芯难以取出,且在取出过程中岩芯容易因震动破坏导致岩芯端部无法取出造成样本不完整问题

Benefits of technology

1、通过设置钻头管结构用于进行岩芯切割,进一步于钻头管结构周围设置刚性移动条槽板结构,通过刚性移动条槽板与钻头管共同进行切割使切割开口增大,进而使岩芯取出过程活动量增大方便进行岩芯取出工作;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of rock core drilling sampling device, mainly relates to geological sampling equipment field.A kind of rock core drilling sampling device, including drill pipe.The utility model has the beneficial effects that: by setting drill pipe structure for cutting rock core, further to the rigidity of moving strip groove board structure around drill pipe structure is set, cutting opening is increased by the rigidity of moving strip groove board and drill pipe jointly cutting, and then the activity of rock core extraction process increases, and rock core extraction work is conveniently carried out, further by setting rigid moving strip inside rigid moving strip groove board for supporting the overturning cutting plate structure provided in the bottom side inside drill pipe, cutting is carried out around the core in drill pipe by overturning cutting plate overturning protruding cooperation drill pipe rotation, and then cutting groove is formed to facilitate the core in borehole to be taken out for sampling.
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Description

Technical Field

[0001] This utility model mainly relates to the field of geological sampling equipment, specifically a core drilling and sampling device. Background Technology

[0002] A geological drilling core sampling device is an important piece of equipment used in geological exploration and mineral exploration. Its main function is to obtain core samples of underground rocks or soil for geological analysis and mineral resource assessment. These core samples are typically obtained by drilling into underground rock or soil layers. The geological drilling core sampling device brings these samples to the surface for analysis. A typical geological drilling core sampling device consists of a rotary drill rod, drill bit, core sampling device, transmission device, and control system. Its working principle is to drill into underground rock or soil layers using a rotating drill rod and drill bit, and then bring the core sample to the surface through the core sampling device. These samples can be used in geological exploration, geological surveys, and mineral exploration, and are of great value in understanding underground geological structures, mineral resource reserves, and rock properties.

[0003] When sampling hard rock cores, it is usually necessary to remove the cores after cutting. However, the cores are often difficult to remove due to the narrow borehole walls and the high hardness of the cores. Furthermore, the cores are easily damaged by vibration during the removal process, resulting in incomplete samples as the ends of the cores cannot be removed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a core drilling and sampling device. Its main advantages are: a drill bit tube structure for core cutting; a rigid movable groove plate structure surrounding the drill bit tube structure; and the increased cutting opening through the joint cutting action of the rigid movable groove plate and the drill bit tube, thereby increasing the range of motion during core extraction. Furthermore, a rigid movable strip within the rigid movable groove plate supports a flip-cutting plate structure located on the bottom side of the drill bit tube. This flip-cutting plate, by rotating in conjunction with the drill bit tube, cuts around the core inside the drill bit tube, forming a cutting groove to facilitate core extraction from the borehole for sampling.

[0005] To achieve the above objectives, this utility model employs the following technical solution: A core drilling and sampling device includes a drill bit tube. A plurality of drill teeth are fixedly arranged at equal intervals around the front end of the drill bit tube. A rotating motor is fixedly connected to the rear end of the drill bit tube. The output end of the rotating motor is coaxially fixedly connected to the rear end of the drill bit tube. A plurality of rigid movable groove plates are fixedly arranged around the drill bit tube in a circular pattern. Rigid movable grooves are formed inside the rigid movable groove plates. A flipping plate groove is formed on the lower inner side of the drill bit tube at a position corresponding to the rigid movable groove. A movable plate groove is formed on the upper outer side of the drill bit tube at a position corresponding to the rigid movable groove. Furthermore, the rigid moving strip groove is provided with a rigid moving strip that is slidably connected to it. A movable support plate is fixedly connected to the lower inner side of the rigid moving strip and is slidably connected to it inside the flip plate groove. A movable plate is fixedly connected to the upper outer side of the rigid moving strip and is installed inside the moving plate groove and slidably connected to it. A flip cutting plate is provided inside the flip plate groove and is rotatably connected to it. A cutting block is fixedly provided at the inner end of the flip cutting plate. Magnetic blocks are fixedly provided on both sides inside the flip plate groove. Magnetic blocks are fixedly provided on both sides of the flip cutting plate at positions corresponding to the flip plate groove.

[0006] Furthermore, an electric push cylinder support plate is fixedly provided on the upper part of the rotating motor, an electric push cylinder is fixedly provided on the upper part of the electric push cylinder support plate, a rotating ring collar is fixedly provided at the output end of the electric push cylinder, a rotating ring connecting post is fixedly provided on the outer side of each of the moving plates, and a rotating ring is fixedly provided at the outer end of each of the rotating ring connecting posts and installed inside the rotating ring collar for rotational connection.

[0007] Compared with the existing technology, the beneficial effects of this utility model are: 1. By setting up a drill bit tube structure for core cutting, and further setting up a rigid movable slotted plate structure around the drill bit tube structure, the cutting opening is enlarged by the rigid movable slotted plate and the drill bit tube cutting together, thereby increasing the amount of movement during the core extraction process and facilitating the core extraction work. 2. A rigid moving strip is set inside the rigid moving strip groove plate to support the flip-cutting plate structure provided on the bottom side of the drill bit tube. The flip-cutting plate flips and protrudes to cooperate with the rotation of the drill bit tube to cut around the rock core inside the drill bit tube, thereby forming a cutting groove to facilitate the removal of the rock core from the borehole for sampling. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a partial structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the drill bit tube structure of this utility model; Figure 4This is a partial structural diagram of the drill bit tube of this utility model; Figure 5 This is a partial structural diagram of the drill bit tube of this utility model; Figure 6 This is a schematic diagram of the rigid movable bar structure of this utility model; Figure 7 This is a schematic diagram of the rotating ring-coil structure of this utility model; Figure 8 This is a schematic diagram of the flip-cutting plate structure of this utility model.

[0009] The following are the labels in the attached diagram: 1. Drill bit tube; 2. Drill bit teeth; 3. Rotating motor; 4. Rigid moving slot plate; 5. Rigid moving slot; 6. Tilting plate slot; 7. Moving plate slot; 8. Rigid moving bar; 9. Moving support plate; 10. Moving plate; 11. Tilting cutting plate; 12. Cutting block; 13. Magnetic block one; 14. Magnetic block two; 15. Electric push cylinder support plate; 16. Electric push cylinder; 17. Rotating ring collar; 18. Rotating ring connecting column; 19. Rotating ring. Detailed Implementation

[0010] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined in this application.

[0011] Example: A core drilling and sampling device like Figure 1-8 As shown, a core drilling and sampling device has the following specific structure: A core drilling and sampling device includes a drill bit tube 1. A plurality of drill teeth 2 are fixedly arranged at equal intervals around the front end of the drill bit tube 1. A rotary motor 3 is fixedly connected to the rear end of the drill bit tube 1. The output end of the rotary motor 3 is coaxially fixedly connected to the rear end of the drill bit tube 1. The rotary motor 3 rotates the drill bit tube 1, causing it to rotate, and the drill teeth 2 cut the core material to further form a borehole. A plurality of rigid movable groove plates 4 are fixedly arranged around the drill bit tube 1 in a circular pattern. Rigid movable grooves 5 are formed inside the rigid movable groove plates 4. A flip plate groove 6 is formed on the lower inner side of the drill bit tube 1 at a position corresponding to the rigid movable groove 5. A movable plate groove 7 is formed on the upper outer side of the drill bit tube 1 at a position corresponding to the rigid movable groove 5. The rigid moving groove 5 has a rigid moving strip 8 slidably connected to it. A moving support plate 9 is fixedly connected to the lower inner side of the rigid moving strip 8 and slidably connected to it inside the flip plate groove 6. A moving plate 10 is fixedly connected to the upper outer side of the rigid moving strip 8 and slidably connected to it inside the moving plate groove 7. The rigid moving strip 8 can move inside the rigid moving groove 5, simultaneously driving the moving support plate 9 to move inside the flip plate groove 6. A flip cutting plate 11 is rotatably connected to the flip plate groove 6 via the moving support plate. 9. The rotating cutting plate 11 is moved and pushed to rotate and contact the core surface. A cutting block 12 is fixedly provided on the inner end of the rotating cutting plate 11 for cutting around the core. Magnetic blocks 13 are fixedly provided on both sides inside the rotating plate groove 6. Magnetic blocks 14 are fixedly provided on both sides of the rotating cutting plate 11 at positions corresponding to the rotating plate groove 6. The rotating cutting plate 11 is magnetically fixed inside the rotating plate groove 6 by the attraction between the magnetic blocks 13 and the magnetic blocks 14, preventing the rotating cutting plate 11 from rotating out of the rotating plate groove 6 during drilling.

[0012] The upper part of the rotating motor 3 is fixedly provided with an electric push cylinder support plate 15, and the upper part of the electric push cylinder support plate 15 is fixedly provided with an electric push cylinder 16. The output end of the electric push cylinder 16 is fixedly provided with a rotating ring collar 17. The outer side of each of the moving plates 10 is fixedly provided with a rotating ring connecting post 18, and the outer end of each of the rotating ring connecting posts 18 is fixedly provided with a rotating ring 19, which is installed inside the rotating ring collar 17 and rotatably connected to it. The electric push cylinder 16 extends and retracts to drive the rotating ring collar 17 to move, further driving the rotating ring 19 to move, and simultaneously driving the moving plate 10 and the rigid moving bar 8 to move.

[0013] This solution also includes a controller, the location of which is set by the operator according to the actual situation during operation. The controller is used to control the electrical components used in this solution, including but not limited to sensors, motors, telescopic rods, water pumps, solenoid valves, heating wires, heat pumps, displays, computer input devices, switches, communication devices, lights, speakers, and microphones. The controller is an Intel processor, AMD processor, PLC controller, ARM processor, or microcontroller. It is used in conjunction with a motherboard, memory modules, storage media, and power supply, which is AC power or a lithium battery. When a display screen is provided, a graphics card is also included. For the operating principle of the controller, please refer to "Principles of Automatic Control," "Microcontroller Principles and Application Simulation Cases," and "Sensor Principles and Applications" published by Tsinghua University Press. Other books in this field can also be consulted. Other automation control and electrical components not mentioned are knowledge well known to those skilled in the art and will not be described in detail here.

[0014] Working principle: In use, the device first rotates the drill bit tube 1 via the rotating motor 3, and then the drill teeth 2 cut the rock core material to form a borehole. During drilling, the drill bit tube 1 and the rigid moving groove plate 4 work together to increase the borehole wall thickness, facilitating the subsequent extraction of the rock core for sampling. After the drill bit tube 1 has drilled to a certain position, the electric pusher cylinder 16 retracts, causing the rotating ring 17 and the rotating ring 19 to move upwards. This further drives the moving plates 10 fixedly connected to the rotating ring 19, which in turn drive the rigid moving strip 8 to move upwards. This further drives the moving support plates 9 to move upwards, pushing the flipping cutting plate 11 to flip and make the cutting block 12 contact the rock core surface. The drill bit tube 1 rotates synchronously, causing the cutting block 12 to cut a notch around the rock core. The drill bit tube 1 is then removed from the borehole, and the rock core can be easily extracted from the borehole for sampling through the notch on the rock core surface.

[0015] In explaining this utility model, it should be noted that the terms indicating location are only for ease of description and understanding, and are not intended to limit the installation location of specific technical features. Other possible installation methods are not excluded.

[0016] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A core drilling and sampling device, comprising a drill bit tube (1), characterized in that: The front end of the drill tube (1) is provided with a number of drill teeth (2) at equal intervals around its outer periphery. The rear end of the drill tube (1) is fixedly connected to a rotating motor (3). The output end of the rotating motor (3) is fixedly connected to the rear end of the drill tube (1) on the same axis. The drill tube (1) is provided with a number of rigid moving groove plates (4) around its periphery. The rigid moving groove plates (4) are provided with rigid moving grooves (5) inside. The lower side of the drill tube (1) is provided with a flip plate groove (6) corresponding to the rigid moving groove (5). The upper side of the drill tube (1) is provided with a moving plate groove (7) corresponding to the rigid moving groove (5).

2. The core drilling and sampling device according to claim 1, characterized in that: The rigid moving groove (5) is provided with a rigid moving strip (8) which is slidably connected to it. The lower inner side of the rigid moving strip (8) is fixedly connected to a moving support plate (9) which is located inside the flip plate groove (6) and slidably connected to it. The upper outer side of the rigid moving strip (8) is fixedly connected to a moving plate (10) which is installed inside the moving plate groove (7) and slidably connected to it. The flip plate groove (6) is provided with a flip cutting plate (11) which is rotatably connected to it. The inner end of the flip cutting plate (11) is fixedly provided with a cutting block (12). The two sides inside the flip plate groove (6) are fixedly provided with a magnetic block one (13). The two sides of the flip cutting plate (11) are fixedly provided with a magnetic block two (14) at the corresponding positions of the flip plate groove (6).

3. The core drilling and sampling device according to claim 2, characterized in that: The upper part of the rotating motor (3) is fixedly provided with an electric push cylinder support plate (15), the upper part of the electric push cylinder support plate (15) is fixedly provided with an electric push cylinder (16), the output end of the electric push cylinder (16) is fixedly provided with a rotating ring collar (17), the outer side of each of the moving plates (10) is fixedly provided with a rotating ring connecting column (18), and the outer end of each of the rotating ring connecting columns (18) is fixedly provided with a rotating ring (19) which is installed inside the rotating ring collar (17) and rotates therewith.