Geological exploration coring device
By introducing an automated spray cleaning system into the geological exploration core extraction device, the problem of inconvenience in cleaning the core extractor is solved, an efficient and automated cleaning process is achieved, and the service life of the equipment is extended.
Patent Information
- Application Number
- CN202411565681.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-02-11
AI Technical Summary
The existing geological exploration core collectors are inefficient and cumbersome during the cleaning process, resulting in corrosion or scaling of the inner wall and affecting the service life.
A geological exploration core extraction device is designed, and an automated spray cleaning system is used to clean the inner wall of the inner core extraction cylinder through high-pressure water pipes and spray heads to achieve an automated and efficient cleaning process.
It significantly improves the cleaning efficiency of the inner wall of the inner core cartridge, extends the service life of the core collector, simplifies the cleaning operation, and improves convenience.
Smart Images
Figure CN119411977A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of geological exploration, in particular to a geological exploration coring device. Background Art
[0002] Geological exploration can be broadly understood as geological work. It is an investigation and research work on the geological conditions such as rocks, stratigraphic structures, minerals, groundwater, and landforms in a certain area using geological exploration methods such as surveying and mapping, geophysical exploration, geochemical prospecting, drilling, pit exploration, sampling and testing, and geological remote sensing, based on the needs of economic construction, national defense construction, and scientific and technological development. During exploration, in order to understand the geological conditions of the stratigraphic formations, it is necessary to coring the rock and soil to facilitate testing of the drilled cores.
[0003] Geological exploration work often requires obtaining formation samples through a single-tube corer. When in use, the single-tube corer is generally immersed in coolant, and the coolant will be mixed with a large amount of impurities in the exploration pit. Therefore, there is a large amount of mud and other impurities on the inner wall of the corer after use. If the corer is not cleaned in time, it will cause corrosion or scaling of the inner wall, affecting the service life of the corer. The existing cleaning work is generally done by manpower, with low cleaning efficiency and cumbersome operation. Summary of the invention
[0004] The purpose of the present invention is to solve the above problems in the prior art and to propose a coring device for geological exploration. The technical problem to be solved by the present invention is: how to solve the problem of inconvenience in cleaning the coring tube.
[0005] The purpose of the present invention can be achieved by the following technical solutions:
[0006] A geological exploration coring device comprises a frame, a sliding seat arranged on the frame and an oil cylinder arranged on the frame to drive the sliding seat to slide vertically, the sliding seat is provided with a mounting bracket and a sliding plate located below the mounting bracket, characterized in that an outer coring barrel and an inner coring barrel arranged in the outer coring barrel are provided below the sliding plate, a guide rod is fixed to the upper end surface of the outer coring barrel, the sliding plate is arranged on the guide rod for vertical sliding, a clearance hole is opened on the sliding plate, a motor is fixed on the mounting bracket, the rotating shaft of the motor passes through the clearance hole and is fixedly connected to the upper end of the inner coring barrel, and the inner coring barrel is A cylindrical spray head is arranged inside, and a plurality of spray holes are distributed on the outer peripheral surface of the spray head. A lifting plate and a planar thrust bearing are arranged below the mounting bracket, and an oil cylinder 2 for driving the lifting plate to lift is fixed on the mounting bracket. The upper end surface of the planar thrust bearing is fixedly connected to the lower surface of the lifting plate, and a water inlet connector is fixed on the lower end surface of the planar thrust bearing. A plurality of water inlet pipes are arranged at intervals along the circumference of the outer periphery of the rotating shaft, and the water inlet pipe is inserted into the make way hole, and the upper end of the water inlet pipe is connected with the water inlet connector, and the lower end of the water inlet pipe extends to the interior of the inner core barrel and is connected with the spray head.
[0007] When coring is completed, there are impurities such as mud on the inner wall of the inner coring barrel. A high-pressure water pipe is connected to the water inlet connecting piece. The high-pressure water in the high-pressure water pipe enters the water inlet connecting piece and enters the spray head through the water inlet pipe. A plurality of spray holes are distributed on the outer circumferential surface of the spray head, so that the spray holes face the inner wall of the inner coring barrel. Then the oil cylinder drives the lifting plate to move downward, thereby driving the water inlet pipe and the spray head to move downward, so that the spray head moves from the upper end of the inner coring barrel to the lower end of the inner coring barrel. The spray head sprays and cleans the inner wall of the inner coring barrel while moving downward. The spray head can move up and down repeatedly to spray and clean the inner wall of the inner coring barrel, ensuring that the inner wall of the inner coring barrel can be cleaned. In addition, the structure realizes automatic cleaning of the inner wall of the inner coring barrel, which significantly improves the cleaning efficiency of the inner wall of the inner coring barrel, and also improves the convenience of cleaning the inner wall of the inner coring barrel.
[0008] In addition, when coring, first the oil cylinder drives the sliding seat downward, and the outer coring barrel and the inner coring barrel move downward together until the lower end surface of the outer coring barrel abuts against the ground, and then the oil cylinder continues to drive the sliding seat downward. At this time, the outer coring barrel does not move, and the inner coring barrel continues to move downward, and the sliding plate moves downward along the guide rod, that is, it guides the downward movement of the inner coring barrel, so that the lower end surface of the inner coring barrel abuts against the ground, and the motor drives the inner coring barrel to rotate to perform the coring operation. In the process of the motor driving the inner coring barrel to rotate, the water inlet connector, the water inlet pipe and the sprinkler head rotate synchronously with the inner coring barrel. The arrangement of the planar thrust bearing enables the water inlet connector to rotate synchronously with the rotating shaft, and the lifting plate can remain stationary. In the process of cleaning the inner wall of the inner coring barrel, the oil cylinder can drive the lifting plate, the water inlet connector, the water inlet pipe and the sprinkler head to move downward as a whole.
[0009] In the above-mentioned geological exploration coring device, the inner wall of the upper end of the inner coring barrel has an annular limiting boss, the outer diameter of the spray head is smaller than the inner diameter of the limiting boss, the spray head can move into the limiting boss, and when the spray head moves upward to the limit position, the lower surface of the spray head is higher than the lower surface of the limiting boss. In the coring process, the geological core is cylindrical, the upper end of the geological core abuts against the lower surface of the limiting boss, and at this time the spray head is completely located in the limiting boss, and the lower surface of the spray head is higher than the lower surface of the limiting boss, so as to avoid the upper end of the geological core abutting against the spray head and causing damage to the spray head; secondly, the outer diameter of the spray head is smaller than the inner diameter of the limiting boss, and in the process of the spray head moving up and down inside the inner coring barrel, there is a certain distance between the outer peripheral surface of the spray head and the inner wall of the inner coring barrel, so that the water sprayed by the spray head can cover the inner wall of the inner coring barrel, thereby ensuring that the inner wall of the inner coring barrel is cleaned.
[0010] In the above-mentioned geological exploration coring device, the water inlet connector is annular, the inner circumference of the water inlet connector is spaced apart from the outer circumference of the rotating shaft, and the water inlet connector has a water inlet joint. The water inlet joint is used to connect an external high-pressure water pipe to introduce high-pressure water into the water inlet connector.
[0011] In the above-mentioned geological exploration coring device, a spring is arranged between the lower surface of the sliding plate and the upper end surface of the outer coring barrel, the upper end of the spring abuts against the lower surface of the sliding plate, and the lower end of the spring abuts against the upper end surface of the outer coring barrel. During the coring process, when the lower end surface of the outer coring barrel abuts against the ground, the sliding plate then moves downward along the guide rod, and the sliding plate overcomes the force of the spring and moves downward, so that the inner coring barrel moves slowly downward during the coring process, which is beneficial to the coring operation.
[0012] In the above-mentioned geological exploration coring device, there are two oil cylinders 2, and the piston rods of the two oil cylinders 2 are fixedly connected to the left and right sides of the lifting plate respectively. The two oil cylinders 2 simultaneously drive the lifting plate to rise or fall, ensuring the stability of the movement of the lifting plate.
[0013] In the above-mentioned geological exploration coring device, the planar thrust bearing includes an upper bearing ring and a lower bearing ring, and there is a gap between the inner circumference of the upper bearing ring and the lower bearing ring and the outer circumference of the rotating shaft. The lower bearing ring can rotate relative to the upper bearing ring, and the water inlet connector is fixed on the lower bearing ring.
[0014] In the above-mentioned geological exploration coring device, the upper end surface of the inner coring barrel is provided with a plurality of through holes, all of which are arranged at intervals along the circumference of the upper end surface of the inner coring barrel, and each water inlet pipe passes through a corresponding through hole.
[0015] In the above-mentioned coring device for geological exploration, the upper end of the guide rod passes through the mounting bracket, and the upper end of the guide rod has a limit block. The upper end of the guide rod is provided with a limit block, and the setting of the limit block enables the outer coring barrel to be connected to the sliding seat through the guide rod, and when the lower end face of the outer coring barrel abuts against the ground, the sliding seat can slide downward along the guide rod.
[0016] Compared with the prior art, the geological exploration coring device of the present invention has the following advantages: after coring is completed, there are impurities such as mud on the inner wall of the inner coring barrel of the device, and a high-pressure water pipe is connected to the water inlet connecting piece. The high-pressure water in the high-pressure water pipe enters the water inlet connecting piece and enters the spray head through the water inlet pipe. A plurality of spray holes are distributed on the outer peripheral surface of the spray head, so that the spray holes face the inner wall of the inner coring barrel. Then the oil cylinder drives the lifting plate to move downward, thereby driving the water inlet pipe and the spray head to move downward, so that the spray head moves from the upper end of the inner coring barrel to the lower end of the inner coring barrel. The spray head sprays and cleans the inner wall of the inner coring barrel while moving downward. The spray head can move up and down repeatedly to spray and clean the inner wall of the inner coring barrel, ensuring that the inner wall of the inner coring barrel can be cleaned, and the structure realizes automatic cleaning of the inner wall of the inner coring barrel, which significantly improves the cleaning efficiency of the inner wall of the inner coring barrel, and also improves the convenience of cleaning the inner wall of the inner coring barrel. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is one of the three-dimensional structural schematic diagrams of the present invention.
[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention.
[0019] Figure 3 This is the second schematic diagram of the three-dimensional structure of the present invention.
[0020] Figure 4 It is the third schematic diagram of the three-dimensional structure of the present invention.
[0021] In the figure, 1 is a frame; 2, a sliding seat; 3, a cylinder 1; 4, a mounting bracket; 5, a sliding plate; 50, a clearance hole; 6, an outer core tube; 7, an inner core tube; 70, a through hole; 71, a limiting boss; 8, a guide rod; 9, a motor; 10, a sprinkler head; 11, a lifting plate; 12, a plane thrust bearing; 120, an upper bearing ring; 121, a lower bearing ring; 13, a water inlet connector; 130, a water inlet joint; 14, a water inlet pipe; 15, a cylinder 2; 16, a spring; 17, a limiting block. DETAILED DESCRIPTION
[0022] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0023] like Figure 1 to Figure 4 As shown, the local geological exploration coring device includes a frame 1, a sliding seat 2 arranged on the frame 1 and an oil cylinder 3 arranged on the frame 1 to drive the sliding seat 2 to slide vertically, a mounting bracket 4 and a sliding plate 5 located below the mounting bracket 4 are arranged on the sliding seat 2, an outer coring tube 6 and an inner coring tube 7 arranged in the outer coring tube 6 are provided below the sliding plate 5, a guide rod 8 is fixed to the upper end surface of the outer coring tube 6, the sliding plate 5 is arranged on the guide rod 8 along the vertical sliding, a clearance hole 50 is opened on the sliding plate 5, a motor 9 is fixed on the mounting bracket 4, a rotating shaft 90 of the motor 9 passes through the clearance hole 50 and is fixedly connected to the upper end of the inner coring tube 7, a cylindrical spray head 10 is arranged inside the inner coring tube 7, and a plurality of spray holes are distributed on the outer peripheral surface of the spray head 10. A lifting plate 11 and a plane thrust bearing 12 are provided below the mounting bracket 4, an oil cylinder 15 for driving the lifting plate 11 to rise and fall is fixed on the mounting bracket 4, the upper end surface of the plane thrust bearing 12 is fixedly connected to the lower surface of the lifting plate 11, a water inlet connector 13 is fixed to the lower end surface of the plane thrust bearing 12, a plurality of water inlet pipes 14 are provided at intervals along the circumference of the outer periphery of the rotating shaft 90, the water inlet pipes 14 are passed through the makeshift hole 50, the upper end of the water inlet pipe 14 is communicated with the water inlet connector 13, the lower end of the water inlet pipe 14 extends to the interior of the inner coring barrel 7 and is communicated with the sprinkler head 10, a plurality of through holes 70 are provided on the upper end surface of the inner coring barrel 7, all of the through holes 70 are arranged at intervals along the circumference of the upper end surface of the inner coring barrel 7, and each water inlet pipe 14 passes through a corresponding through hole 70.
[0024] After coring is completed, there are impurities such as mud on the inner wall of the inner coring tube 7. The water inlet connector 13 is connected to a high-pressure water pipe. The high-pressure water in the high-pressure water pipe enters the water inlet connector 13 and enters the spray head 10 through the water inlet pipe 14. A plurality of spray holes are distributed on the outer peripheral surface of the spray head 10, so that the spray holes face the inner wall of the inner coring tube 7. Then the oil cylinder 15 drives the lifting plate 11 to move downward, thereby driving the water inlet pipe 14 and the spray head 10 to move downward, so that the spray head 10 moves upward. The upper end of the inner coring tube 7 moves toward the lower end of the inner coring tube 7, and the spray head 10 moves downward while spraying and cleaning the inner wall of the inner coring tube 7. The spray head 10 can move up and down repeatedly to spray and clean the inner wall of the inner coring tube 7, ensuring that the inner wall of the inner coring tube 7 can be cleaned. In addition, this structure realizes automatic cleaning of the inner wall of the inner coring tube 7, which significantly improves the cleaning efficiency of the inner wall of the inner coring tube 7 and also improves the convenience of cleaning the inner wall of the inner coring tube 7.
[0025] In addition, when coring, first the oil cylinder 3 drives the sliding seat 2 to move downward, and the outer coring tube 6 and the inner coring tube 7 move downward together until the lower end surface of the outer coring tube 6 abuts against the ground, then the oil cylinder 3 continues to drive the sliding seat 2 to move downward, at this time the outer coring tube 6 does not move, the inner coring tube 7 continues to move downward, and the sliding plate 5 moves downward along the guide rod 8, that is, it plays a guiding role in the downward movement of the inner coring tube 7, so that the lower end surface of the inner coring tube 7 abuts against the ground, and the motor 9 drives the inner coring tube 6 to move downward. 7 is rotated to perform the coring operation. When the motor 9 drives the inner coring barrel 7 to rotate, the water inlet connector 13, the water inlet pipe 14 and the sprinkler head 10 rotate synchronously with the inner coring barrel 7. The arrangement of the planar thrust bearing 12 enables the water inlet connector 13 to rotate synchronously with the rotating shaft 90, and the lifting plate 11 can remain stationary. During the cleaning of the inner wall of the inner coring barrel 7, the oil cylinder 15 can drive the lifting plate 11, the water inlet connector 13, the water inlet pipe 14 and the sprinkler head 10 to move downward as a whole.
[0026] like Figure 2As shown, the inner wall of the upper end of the inner core taking tube 7 is provided with an annular limiting boss 71, the outer diameter of the spray head 10 is smaller than the inner diameter of the limiting boss 71, the spray head 10 can move into the limiting boss 71, and when the spray head 10 moves upward to the extreme position, the lower surface of the spray head 10 is higher than the lower surface of the limiting boss 71. During the coring process, the geological core is cylindrical, and the upper end of the geological core rests on the lower surface of the limiting boss 71. At this time, the spray head 10 is completely located in the limiting boss 71, and the lower surface of the spray head 10 is higher than the lower surface of the limiting boss 71, thereby preventing the upper end of the geological core from resting on the spray head 10 and causing damage to the spray head 10; secondly, the outer diameter of the spray head 10 is smaller than the inner diameter of the limiting boss 71. During the process of the spray head 10 moving up and down inside the inner coring barrel 7, there is a certain distance between the outer peripheral surface of the spray head 10 and the inner wall of the inner coring barrel 7, so that the water sprayed by the spray head 10 can cover the inner wall of the inner coring barrel 7, thereby ensuring that the inner wall of the inner coring barrel 7 is cleaned.
[0027] like Figure 2 and Figure 3 As shown, the water inlet connector 13 is annular, the inner circumference of the water inlet connector 13 is spaced from the outer circumference of the rotating shaft 90, and the water inlet connector 13 has a water inlet joint 130. The water inlet joint 130 is used to connect an external high-pressure water pipe to introduce high-pressure water into the water inlet connector 13.
[0028] like Figure 3 and Figure 4 As shown, a spring 16 is arranged between the lower surface of the sliding plate 5 and the upper end surface of the outer coring tube 6, the upper end of the spring 16 abuts against the lower surface of the sliding plate 5, and the lower end of the spring 16 abuts against the upper end surface of the outer coring tube 6. The upper end of the guide rod 8 is arranged through the mounting bracket 4, and the upper end of the guide rod 8 has a limit block 17, and the upper end of the guide rod 8 is provided with a limit block 17. The setting of the limit block 17 enables the outer coring tube 6 to be connected to the sliding seat 2 through the guide rod 8, and when the lower end surface of the outer coring tube 6 abuts against the ground, the sliding seat 2 can slide downward along the guide rod 8. During the coring process, when the lower end surface of the outer coring tube 6 abuts against the ground, the sliding plate 5 then moves downward along the guide rod 8, and the sliding plate 5 overcomes the force of the spring 16 and moves downward, so that the inner coring tube 7 moves slowly downward during the coring process, which is conducive to the coring operation.
[0029] There are two oil cylinders 15, and the piston rods of the two oil cylinders 15 are fixedly connected to the left and right sides of the lifting plate 11 respectively. The two oil cylinders 15 drive the lifting plate 11 to rise or fall at the same time to ensure the stability of the movement of the lifting plate 11. The plane thrust bearing 12 includes an upper bearing ring 120 and a lower bearing ring 121. The inner circumferences of the upper bearing ring 120 and the lower bearing ring 121 are spaced from the outer circumference of the rotating shaft 90. The lower bearing ring 121 can rotate relative to the upper bearing ring 120, and the water inlet connector 13 is fixed on the lower bearing ring 121.
[0030] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
Claims
1. A coring device for geological exploration, comprising a frame, a sliding seat arranged on the frame, and a cylinder arranged on the frame to drive the sliding seat to slide vertically, wherein the sliding seat is provided with a mounting bracket and a sliding plate located below the mounting bracket, characterized in that: An outer coring barrel and an inner coring barrel arranged in the outer coring barrel are provided below the sliding plate, a guide rod is fixed on the upper end surface of the outer coring barrel, the sliding plate is arranged on the guide rod for vertical sliding, a clearance hole is provided on the sliding plate, a motor is fixed on the mounting bracket, the rotating shaft of the motor passes through the clearance hole and is fixedly connected with the upper end of the inner coring barrel, a cylindrical spray head is provided inside the inner coring barrel, a plurality of spray holes are distributed on the outer circumferential surface of the spray head, a lifting plate and a plane thrust bearing are provided below the mounting bracket, a cylinder 2 for driving the lifting plate to lift is fixed on the mounting bracket, the upper end surface of the plane thrust bearing is fixedly connected with the lower surface of the lifting plate, a water inlet connector is fixed on the lower end surface of the plane thrust bearing, a plurality of water inlet pipes are arranged at intervals along the circumference of the outer periphery of the rotating shaft, the water inlet pipe is penetrated in the clearance hole, the upper end of the water inlet pipe is communicated with the water inlet connector, and the lower end of the water inlet pipe extends to the interior of the inner coring barrel and is communicated with the spray head.
2. A geological exploration coring device according to claim 1, characterized in that: An annular limiting boss is provided on the inner wall of the upper end of the inner core taking tube, the outer diameter of the spray head is smaller than the inner diameter of the limiting boss, the spray head can be moved into the limiting boss, and when the spray head moves upward to the limit position, the lower surface of the spray head is higher than the lower surface of the limiting boss.
3. A geological exploration coring device according to claim 1, characterized in that: The water inlet connecting piece is annular, an inner circumferential surface of the water inlet connecting piece is spaced apart from an outer circumferential surface of the rotating shaft, and the water inlet connecting piece has a water inlet joint.
4. A geological exploration coring device according to claim 1, characterized in that: A spring is arranged between the lower surface of the sliding plate and the upper end surface of the outer core-taking barrel, the upper end of the spring abuts against the lower surface of the sliding plate, and the lower end of the spring abuts against the upper end surface of the outer core-taking barrel.
5. A geological exploration coring device according to claim 1, characterized in that: There are two oil cylinders 2, and the piston rods of the two oil cylinders 2 are respectively fixedly connected to the left and right sides of the lifting plate.
6. A geological exploration coring device according to claim 1, characterized in that: The planar thrust bearing comprises an upper bearing ring and a lower bearing ring, wherein the lower bearing ring can rotate relative to the upper bearing ring, and there is a gap between the inner circumferences of the upper bearing ring and the lower bearing ring and the outer circumference of the rotating shaft, and the water inlet connector is fixed on the lower bearing ring.
7. A geological exploration coring device according to claim 1, characterized in that: The upper end surface of the inner core taking tube is provided with a plurality of through holes, all of which are arranged at intervals along the circumference of the upper end surface of the inner core taking tube, and each water inlet pipe passes through a corresponding through hole.
8. A geological exploration coring device according to claim 1, characterized in that: The upper end of the guide rod passes through the mounting bracket, and the upper end of the guide rod is provided with a limit block.