Sampler for detecting oxidation degree of coal mine

Abstract

The invention discloses a sampler for coal mine oxidation degree detection, which comprises a fixed base, a lifting adjusting structure, a fixed support, a drilling sampling structure, a driving structure, an auxiliary pressing structure and an auxiliary dust falling structure, and the auxiliary dust falling structure for spraying and dust falling during drilling sampling is arranged between the fixed support and the fixed base; an auxiliary pressing structure is mounted on the other side of the lifting adjusting structure; the device can be conveniently drilled into a coal mine for sampling operation, and after the device samples a coal mine sample, the coal mine sample is automatically extruded while the sample is taken out of the coal mine, so that air in gaps in the loose coal mine sample can be discharged through extrusion, and the sampling efficiency is improved. The loose coal mine sample is extruded to form a compact block, so that accelerated oxidation caused by large-area contact between the loose coal mine sample and external air after sampling can be effectively avoided, and errors in subsequent detection of the coal mine sample are reduced.

Description

Technical Field

[0001] The present application relates to the field of coal mine samplers, and in particular to a sampler for detecting the oxidation degree of coal mines. Background Art

[0002] Coal is the primary solid fuel and a type of combustible organic rock. It is formed by lush vegetation that grew over a certain geological period, gradually accumulating into thick layers in a suitable geological environment and then being buried in water or mud. This process is the result of natural coalification over a long period of geological time. Thermal power plants typically require large quantities of coal as fuel. Before using the coal as fuel, the degree of oxidation must be tested, which requires sampling and testing. Sampling requires the use of a suitable coal sampler.

[0003] The existing patent document "Utility Model CN213456160U: A Sampler for Coal Mine Exploitation" discloses a sampler. Although this sampler can enter the interior of a coal mine for sampling, the coal samples taken out are usually loose granular samples. The loose coal samples will come into contact with the outside air over a large area. Especially in hot weather, the temperature is high. This can easily lead to accelerated oxidation of the coal due to the large-area contact with the air, which in turn leads to errors in the subsequent oxidation degree detection of the coal samples. In addition, coal dust is easily generated during coal sampling, causing pollution.

[0004] The existing technology has the following technical problems: conventional samplers can easily lead to accelerated oxidation of coal due to large-scale contact with air during sampling, and easily generate coal dust, which causes pollution. Therefore, to address the above problems, a sampler for detecting the degree of oxidation in coal mines is proposed. Summary of the Invention

[0005] In this embodiment, a sampler for detecting the oxidation degree of coal mines is provided to solve the problem that ordinary samplers in the prior art easily lead to accelerated oxidation of coal mines due to large-area contact with air during sampling, and easily generate coal dust and cause pollution.

[0006] According to one aspect of the present application, a sampler for detecting the oxidation degree of coal mines is provided, comprising a fixed base, a lifting and adjusting structure, a fixed bracket, a drilling and sampling structure, a driving structure, an auxiliary pressing structure, and an auxiliary dust reduction structure;

[0007] A lifting and adjusting structure is fixedly connected to the upper surface of the fixed base, a fixed bracket is fixedly connected to one side of the lifting and adjusting structure, a drilling sampling structure is fixedly installed on the bottom surface of the fixed bracket, a driving structure is fixedly provided on the upper surface of the fixed bracket, the driving structure and the drilling sampling structure are connected, an auxiliary dust reduction structure similar to spray dust reduction during drilling sampling is installed between the fixed bracket and the fixed base, and an auxiliary pressing structure is installed on the other side of the lifting and adjusting structure.

[0008] Furthermore, the lifting and adjusting structure includes a rectangular fixed column, a rectangular lifting slider, a first slider, a second slider, a support plate, a servo motor A and a threaded rod. The connecting base plate is fixedly arranged on the upper surface of the fixed base, and the upper surface of the connecting base plate is fixedly connected to the rectangular fixed column. A rectangular lifting slider is slidably connected in the inner cavity of the rectangular fixed column. The first slider is slidably connected to the side wall of one side of the rectangular fixed column, and the second slider is slidably connected to the side wall of the other side of the rectangular fixed column. The first slider and the rectangular lifting slider are fixedly connected, and the second slider and the rectangular lifting slider are fixedly connected.

[0009] Furthermore, a support plate is fixedly provided in the inner cavity of the rectangular fixed column, one end of a threaded rod is rotatably connected to the upper surface of the support plate, the other end of the threaded rod is rotatably connected to the upper wall of the inner cavity of the rectangular fixed column, the threaded rod passes through the rectangular lifting slider and is threadedly engaged with the rectangular lifting slider, a servo motor A is fixedly installed in the inner cavity of the rectangular fixed column, the end of the output shaft of the servo motor A is fixedly connected to the bottom end of the threaded rod, and a fixed bracket is fixedly connected to the side wall of the first slide plate.

[0010] Furthermore, the drilling sampling structure includes a sampling sleeve, a mounting shell, a connecting rod A, a rotating disc, a servo motor B, a connecting rod B, a fixed circular plate, a drill bit, a fixed cylinder, a piston A, a connecting rod C, a connecting pipe, a downward pressing sleeve, a pressure plate and a small hole. The sampling sleeve is fixedly arranged on the bottom surface of the fixed bracket, and the inner cavity of the sampling sleeve is slidably connected to the mounting shell. One end of the connecting rod A is fixedly connected to the upper surface of the mounting shell, and the other end of the connecting rod A passes through the upper wall of the inner cavity of the sampling sleeve and extends to the wall. A rotating disc is rotatably connected to the bottom surface of the mounting shell, a servo motor B is fixedly installed in the inner cavity of the mounting shell, the end of the output shaft of the servo motor B is fixedly connected to the bottom surface of the rotating disc, one end of the connecting rod B is fixedly connected to the bottom surface of the rotating disc, the other end of the connecting rod B extends to the bottom end of the inner cavity of the sampling sleeve rod, a drill bit is fixedly connected to the bottom end of the connecting rod B, an inner cavity is provided inside the drill bit, and the drill bit and the sampling sleeve rod are sleeved and slidably fitted.

[0011] Furthermore, a fixed circular plate is fixedly connected to the inner cavity of the sampling sleeve rod, the connecting rod B passes through the fixed circular plate and slides with the fixed circular plate, the bottom surface of the fixed circular plate is fixedly connected to a fixed cylinder, a piston A is slidably connected to the inner cavity of the fixed cylinder, one end of the connecting rod C is fixedly connected to the bottom surface of the piston A, the other end of the connecting rod C passes through the bottom wall of the inner cavity of the fixed cylinder and extends to the outside of the wall, the bottom end of the connecting rod C is fixedly connected to a downward pressing sleeve, the connecting rod B passes through the center of the downward pressing sleeve and slides with the downward pressing sleeve, the downward pressing sleeve slides with the inner cavity wall of the sampling sleeve rod, a pressure plate is fixedly provided on the bottom surface of the downward pressing sleeve, small holes are provided on the downward pressing sleeve and the pressure plate, and a connecting pipe is connected to the upper end of the inner cavity of the fixed cylinder.

[0012] Furthermore, the driving structure includes an L-shaped bracket, a fixed bracket, a rotating disk, a servo motor C, a linkage connecting plate and a connecting block. The L-shaped bracket is fixedly arranged on the upper surface of the fixed bracket, the fixed bracket is fixedly connected to the L-shaped bracket, the rotating disk is rotatably connected to the side wall of the fixed bracket, the servo motor C is fixedly installed on the other side wall of the fixed bracket, the output shaft end of the servo motor C is fixedly connected to the rotating disk, one end of the linkage connecting plate is rotatably connected to the side wall of the rotating disk, the other end of the linkage connecting plate is rotatably connected to the connecting block, and the connecting block is fixedly connected to the top end of the connecting rod A.

[0013] Furthermore, the auxiliary pressing structure includes a support rod, a connecting plate A, a connecting tube, a piston B, a push rod, a connecting plate B, a connecting hose, a sleeve rod, a connecting rod, a spring and a fixed plate frame. The support rod is fixedly arranged on the upper surface of the fixed base, and the top end of the support rod is fixedly connected to the connecting plate A, and the bottom surface of the connecting plate A is fixedly connected to the connecting tube. The piston B is slidably connected in the inner cavity of the connecting tube, and one end of the push rod is fixedly connected to the bottom surface of the piston B. The other end of the push rod passes through the bottom wall of the inner cavity of the connecting tube and extends outside the wall. One end of the connecting hose is connected to the upper end of the inner cavity of the connecting tube, and the other end of the connecting hose is fixedly connected to the connecting pipe.

[0014] Furthermore, a connecting plate B is fixedly connected to the bottom end of the push rod, a connecting rod is fixedly connected to the upper surface of the connecting plate B, the connecting rod is inserted into the inner cavity of the sleeve rod and slides with the sleeve rod, one end of a spring is fixedly connected to the top end of the connecting rod, the other end of the spring is fixedly connected to the upper wall of the inner cavity of the sleeve rod, the top end of the sleeve rod is fixedly connected to a fixed plate frame, and the fixed plate frame is fixedly connected to the second slide plate.

[0015] Furthermore, the auxiliary dust reduction structure includes a sliding rod, a connecting spring, an output pipe, a spray head, an input pipe, a water storage container, a cylinder and a piston C. The cylinder is fixedly arranged on the upper surface of the fixed base, and the piston C is slidably connected in the inner cavity of the cylinder. One end of the fixed sleeve rod is fixedly connected to the upper surface of the piston C, and the other end of the fixed sleeve rod passes through the upper wall of the inner cavity of the cylinder and extends outside the wall. A sliding rod is slidably connected in the inner cavity of the fixed sleeve rod, and the top end of the sliding rod is fixedly connected to the fixed bracket, and one end of the connecting spring is fixedly connected to the bottom end of the sliding rod, and the other end of the connecting spring is fixedly connected to the fixed sleeve rod.

[0016] Furthermore, one end of an output pipe is connected to one side of the bottom end of the inner cavity of the cylinder, a spray head is installed at the other end of the output pipe, an output one-way valve is installed on the output pipe, and an input pipe is installed and connected to the other side of the bottom end of the inner cavity of the cylinder, and an input one-way valve is installed on the input pipe.

[0017] Through the above-mentioned embodiments of the present application, it is relatively convenient to drill into the interior of the coal mine for sampling operations, and after sampling the coal mine sample, the present application automatically squeezes the coal mine sample while taking the sample out from the inside of the coal mine, so that the void air inside the loose coal mine sample can be discharged through squeezing, so that the loose coal mine sample is squeezed into a relatively dense block, thereby effectively avoiding the accelerated oxidation caused by the large-area contact of the loose coal mine sample with the outside air after sampling, reducing the error in the subsequent coal mine sample detection, and solving the problem in the prior art that the sampled sample is loose coal mine and is easily exposed to large-area contact with the outside air, causing accelerated oxidation. The present application has an auxiliary dust reduction structure, and the auxiliary dust reduction structure can automatically spray dust reduction at the drilling sampling position while drilling and sampling the coal mine, thereby reducing the possible dust flying, and does not require water pump equipment during use, and the use cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application;

[0020] Figure 2 This is a schematic diagram of the internal structure of an embodiment of the present application;

[0021] Figure 3This is a schematic diagram of the internal structure of the lifting and lowering adjustment structure of an embodiment of the present application;

[0022] Figure 4 This is a schematic diagram of the internal structure of a drilling sampling structure according to an embodiment of the present application;

[0023] Figure 5 This is a schematic cross-sectional view of a mounting housing according to an embodiment of the present application;

[0024] Figure 6 This is a schematic cross-sectional view of a fixed cylinder according to an embodiment of the present application;

[0025] Figure 7 This is a structural diagram of a downward pressing sleeve according to an embodiment of the present application;

[0026] Figure 8 This is a schematic diagram of the overall structure of a driving structure according to an embodiment of the present application;

[0027] Figure 9 This is a schematic diagram of the overall interior of the auxiliary pressing structure of an embodiment of the present application;

[0028] Figure 10 This is an overall internal schematic diagram of the auxiliary dust reduction structure of an embodiment of the present application.

[0029] In the figure: 1. Fixed base; 2. Lifting adjustment structure; 3. Fixed bracket; 4. Drilling sampling structure; 5. Driving structure; 6. Auxiliary pressing structure; 7. Auxiliary dust reduction structure; 8. Connecting bottom plate; 9. Rectangular fixed column; 10. Rectangular lifting slider; 11. First slide; 12. Second slide; 13. Support plate; 14. Servo motor A; 15. Threaded rod; 16. Sampling sleeve rod; 17. Mounting shell; 18. Connecting rod A; 19. Rotating disk; 20. Servo motor B; 21. Connecting rod B; 22. Fixed circular plate; 23. Drill bit; 24. Fixed cylinder; 25. Piston A; 26. Connecting rod C; 27. Connecting 2. Connecting pipe; 28. Pressing sleeve; 29. Pressure plate; 30. Small hole; 31. L-shaped bracket; 32. Fixed bracket; 33. Rotating plate; 34. Servo motor C; 35. Linkage connecting plate; 36. Connecting block; 37. Support rod; 38. Connecting plate A; 39. Connecting cylinder; 40. Piston B; 41. Push rod; 42. Connecting plate B; 43. Connecting hose; 44. Sleeve rod; 45. Connecting rod; 46. Spring; 47. Fixed plate frame; 48. Cylinder; 49. Piston C; 50. Fixed sleeve rod; 51. Slide rod; 52. Connecting spring; 53. Output pipe; 54. Spray head; 55. Input pipe; 56. Water storage container. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0032] In this application, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe this application and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0033] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0034] Furthermore, the terms "installed," "disposed," "provided with," "connected," "connected," and "socketed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0035] See also Figure 1 and Figure 2As shown, a sampler for detecting the oxidation degree of coal mines includes a fixed base 1, a lifting and adjusting structure 2, a fixed bracket 3, a drilling sampling structure 4, a driving structure 5, an auxiliary pressing structure 6 and an auxiliary dust reduction structure 7;

[0036] The upper surface of the fixed base 1 is fixedly connected with a lifting and adjusting structure 2, and a fixed bracket 3 is fixedly connected to one side of the lifting and adjusting structure 2. A drilling sampling structure 4 is fixedly installed on the bottom surface of the fixed bracket 3, and a driving structure 5 is fixedly provided on the upper surface of the fixed bracket 3. The driving structure 5 and the drilling sampling structure 4 are connected. An auxiliary dust reduction structure 7 similar to the spray dust reduction during drilling sampling is installed between the fixed bracket 3 and the fixed base 1, and an auxiliary pressing structure 6 is installed on the other side of the lifting and adjusting structure 2. The present application can more conveniently drill into the coal mine for sampling operations, and after sampling the coal mine sample, the present application automatically takes the coal mine sample out of the coal mine. Extrusion can expel the void air inside the loose coal sample through extrusion, so that the loose coal sample is squeezed into a denser block, which can effectively avoid the accelerated oxidation caused by the loose coal sample contacting with the outside air over a large area after sampling, reduce the error in the subsequent detection of the coal sample, and solve the problem in the prior art that the sampled sample is loose coal and is easily exposed to the outside air over a large area, causing accelerated oxidation. The present application has an auxiliary dust reduction structure 7, which can automatically spray dust reduction at the drilling sampling position while drilling and sampling the coal, thereby reducing the possible dust flying, and does not require water pump equipment during use, has a low cost, and is suitable for promotion and use.

[0037] For further technical solutions, see Figure 3 As shown, the lifting and adjusting structure 2 includes a rectangular fixed column 9, a rectangular lifting slider 10, a first slider 11, a second slider 12, a support plate 13, a servo motor A14 and a threaded rod 15. The connecting base plate 8 is fixedly arranged on the upper surface of the fixed base 1. The upper surface of the connecting base plate 8 is fixedly connected to the rectangular fixed column 9. The rectangular lifting slider 10 is slidably connected in the inner cavity of the rectangular fixed column 9. The first slider 11 is slidably connected to the side wall of one side of the rectangular fixed column 9. The second slider 12 is slidably connected to the side wall of the other side of the rectangular fixed column 9. The first slider 11 and the rectangular lifting slider 10 are fixedly connected, and the second slider 12 and the rectangular lifting slider 10 are fixedly connected.

[0038] A support plate 13 is fixedly provided in the inner cavity of the rectangular fixed column 9, and one end of a threaded rod 15 is rotatably connected to the upper surface of the support plate 13, and the other end of the threaded rod 15 is rotatably connected to the upper wall of the inner cavity of the rectangular fixed column 9. The threaded rod 15 passes through the rectangular lifting slider 10 and is threadedly matched with the rectangular lifting slider 10. A servo motor A14 is fixedly installed in the inner cavity of the rectangular fixed column 9, and the end of the output shaft of the servo motor A14 is fixedly connected to the bottom end of the threaded rod 15. A fixed bracket 3 is fixedly connected to the side wall of the first slide plate 11, and the threaded rod 15 can be driven to rotate by the operation of the servo motor A14. 5 can drive the rectangular lifting slider 10 to move, and the movement of the rectangular lifting slider 10 can drive the first slide 11 to move, and the movement of the first slide 11 can drive the fixed bracket 3 to move, and then the drilling sampling structure 4 can be driven to move downward, so that the drilling sampling structure 4 performs the drilling sampling operation, and the operation of the servo motor A14 can drive the threaded rod 15 to rotate in the opposite direction, and the reverse rotation of the threaded rod 15 can drive the rectangular lifting slider 10 to move upward, and then the first slide 11 can be driven upward, and then the fixed bracket 3 can be driven upward, so that the drilling sampling structure 4 moves upward and detaches from the inside of the coal mine, and takes the sample out.

[0039] For specific technical solutions, please refer to Figure 4 、 Figure 5 、 Figure 6 and Figure 7As shown, the drilling sampling structure 4 includes a sampling sleeve rod 16, a mounting shell 17, a connecting rod A18, a rotating disc 19, a servo motor B20, a connecting rod B21, a fixed circular plate 22, a drill bit 23, a fixed cylinder 24, a piston A25, a connecting rod C26, a connecting pipe 27, a downward pressing sleeve 28, a pressure plate 29 and a small hole 30. The sampling sleeve rod 16 is fixedly arranged on the bottom surface of the fixed bracket 3, and the inner cavity of the sampling sleeve rod 16 is slidably connected with the mounting shell 17. One end of the connecting rod A18 is fixedly connected to the upper surface of the mounting shell 17, and the other end of the connecting rod A18 passes through the upper wall of the inner cavity of the sampling sleeve rod 16 and extends outside the wall. The bottom surface of the mounting shell 17 is rotatably connected to the rotating disc 19, and the inner cavity of the mounting shell 17 is fixedly installed with a servo motor B 20. The end of the output shaft of the servo motor B20 is fixedly connected to the bottom surface of the rotating disc 19. One end of a connecting rod B21 is fixedly connected to the bottom surface of the rotating disc 19. The other end of the connecting rod B21 extends to the bottom end of the inner cavity of the sampling sleeve 16. A drill bit 23 is fixedly connected to the bottom end of the connecting rod B21. An inner cavity is provided inside the drill bit 23. The drill bit 23 and the sampling sleeve 16 are sleeved and slidably matched. The operation of the servo motor B20 can drive the rotating disc 19 to rotate. The rotation of the rotating disc 19 can drive the connecting rod B21 to rotate, and the rotation of the connecting rod B21 can drive the drill bit 23 to rotate. The rotation of the drill bit 23 can drill into the interior of the coal mine to perform sampling operations.

[0040] A fixed circular plate 22 is fixedly connected to the inner cavity of the sampling sleeve rod 16, and the connecting rod B21 passes through the fixed circular plate 22 and slides with the fixed circular plate 22. A fixed cylinder 24 is fixedly connected to the bottom surface of the fixed circular plate 22, and a piston A25 is slidably connected to the inner cavity of the fixed cylinder 24. One end of the connecting rod C26 is fixedly connected to the bottom surface of the piston A25, and the other end of the connecting rod C26 passes through the bottom wall of the inner cavity of the fixed cylinder 24 and extends to the outside of the wall. A downward pressing sleeve 28 is fixedly connected to the bottom end of the connecting rod C26, and the connecting rod B21 passes through the center of the downward pressing sleeve 28 and slides with the downward pressing sleeve 28. The downward pressing sleeve 28 slides with the inner cavity wall of the sampling sleeve rod 16. A pressure plate 29 is fixedly provided on the bottom surface of the pressing sleeve 28, and small holes 30 are opened in the pressing sleeve 28 and the pressure plate 29. A connecting pipe 27 is connected to the upper end of the inner cavity of the fixed cylinder 24. When the coal sample enters the inner cavity of the sampling sleeve 16, the downward pressure of the pressing sleeve 28 can drive the pressure plate 29 to be pressed down, and then the loose coal sample is pressed down and compacted by the downward pressure of the pressure plate 29. The void air inside the loose coal sample can be squeezed out by the compression, so that the loose coal sample forms a relatively compact coal sample block, thereby effectively avoiding the phenomenon of accelerated oxidation caused by large-area contact of the loose coal sample with the air, and reducing the error in the subsequent coal sample oxidation detection.

[0041] As a preferred option, see Figure 8As shown, the driving structure 5 includes an L-shaped bracket 31, a fixed bracket 32, a rotating disk 33, a servo motor C34, a linkage connecting plate 35 and a connecting block 36. The L-shaped bracket 31 is fixedly arranged on the upper surface of the fixed bracket 3, and the L-shaped bracket 31 is fixedly connected to the fixed bracket 32. The rotating disk 33 is rotatably connected to the side wall of the fixed bracket 32. The servo motor C34 is fixedly installed on the other side wall of the fixed bracket 32. The end of the output shaft of the servo motor C34 is fixedly connected to the rotating disk 33. One end of the linkage connecting plate 35 is rotatably connected to the side wall of the rotating disk 33. The other end of the linkage connecting plate 35 is rotatably connected to the connecting block 36. The connecting block 36 is fixedly connected to the top end of the connecting rod A18. When the fixed bracket 3 is driven downward by the operation of the servo motor A14, the drilling After the sampling structure 4 drills into the interior of the coal mine, the servo motor C34 can drive the rotating disk 33 to rotate, and the rotation of the rotating disk 33 can drive one end of the linkage connecting plate 35 to move along the circumference, and then drive the connecting block 36 to move up and down repeatedly, and then drive the connecting rod A18 to move up and down repeatedly, and then drive the mounting shell 17 to move up and down repeatedly, and drive the connecting rod B21 to move up and down repeatedly, and then drive the drill bit 23 to move up and down repeatedly, so that the drill bit 23 performs a digging operation. At this time, the drill bit stops rotating, and when the drill bit 23 moves downward, the drill bit 23 separates from the sampling sleeve rod 16, and the crushed sample inside the coal mine enters the inner cavity of the drill bit 23. When the drill bit 23 moves upward, the coal mine sample is brought into the inner cavity of the sampling sleeve rod 16, thereby realizing the sampling operation of the coal mine.

[0042] As a preferred option, see Figure 9 As shown, the auxiliary pressing structure 6 includes a support rod 37, a connecting plate A38, a connecting cylinder 39, a piston B40, a push rod 41, a connecting plate B42, a connecting hose 43, a sleeve rod 44, a connecting rod 45, a spring 46 and a fixed plate frame 47. The support rod 37 is fixedly arranged on the upper surface of the fixed base 1, and the top end of the support rod 37 is fixedly connected to the connecting plate A38, and the bottom surface of the connecting plate A38 is fixedly connected to the connecting cylinder 39. The piston B40 is slidably connected in the inner cavity of the connecting cylinder 39, and one end of the push rod 41 is fixedly connected to the bottom surface of the piston B40. The other end of the push rod 41 passes through the bottom wall of the inner cavity of the connecting cylinder 39 and extends outside the wall. The upper end of the inner cavity of the connecting cylinder 39 is connected to one end of the connecting hose 43, and the other end of the connecting hose 43 is fixedly connected to the connecting pipe 27.

[0043] The bottom end of the push rod 41 is fixedly connected to a connecting plate B42, and the upper surface of the connecting plate B42 is fixedly connected to a connecting rod 45, and the connecting rod 45 is inserted into the inner cavity of the sleeve rod 44 and slides with the sleeve rod 44. The top end of the connecting rod 45 is fixedly connected to one end of a spring 46, and the other end of the spring 46 is fixedly connected to the upper wall of the inner cavity of the sleeve rod 44. The top end of the sleeve rod 44 is fixedly connected to a fixed plate frame 47, and the fixed plate frame 47 is fixedly connected to the second slide 12. When the drilling sampling structure 4 is drilled into the coal mine to obtain the coal mine sample, the coal mine sample needs to be taken out of the The coal is taken out of the coal mine, which requires the servo motor A14 to drive the threaded rod 15 to rotate in the opposite direction, driving the rectangular lifting slide 10 to rise, driving the drilling sampling structure 4 to rise, and when the rectangular lifting slide 10 rises, it will also drive the second slide 12 to rise. When the second slide 12 rises, it will drive the fixed plate frame 47 to move up, and the upward movement of the fixed plate frame 47 will cause the spring 46 to stretch, generating a stretching elastic force. The elastic force generated by the stretching will drive the connecting rod 45 to move continuously upward, and the stretching elastic force is continuously applied to the connecting rod 45, so that the connecting rod 45 has a continuous upward movement. The force of the connecting rod 45 drives the push rod 41 to continuously push upward, thereby continuously pushing the piston B40 to move upward in the inner cavity of the connecting cylinder 39. When the piston B40 moves upward, the gas in the inner cavity of the connecting cylinder 39 is pushed into the inner cavity of the fixed cylinder 24 through the connecting hose 43 and the connecting pipe 27, and then the piston A25 is pressed downward by the gas, and the connecting rod C26 is pressed downward by the piston A25, thereby driving the downward pressure sleeve 28 to be pressed downward, and then driving the pressure plate 29 to be pressed downward. The coal sample in the cavity of the sampling sleeve rod 16 is continuously pressed downward by the downward pressure of the pressure plate 29, and the coal sample in the cavity of the sampling sleeve rod 16 is continuously pressed downward by the downward pressure. The loose coal samples are squeezed to form a denser coal sample block, so that the void air inside the loose coal sample is expelled by squeezing, thereby reducing the contact area between the coal sample and the outside air, avoiding the rapid oxidation caused by large-scale contact of the loose coal sample with the air, and reducing the error of subsequent detection. It is particularly suitable for use in hot environments. After the sample is taken out of the coal mine, the sample is also fully squeezed at this time, and the drill bit 23 is driven downward again by the rotation of the rotating disk 33, so that the drill bit 23 is separated from the bottom end of the sampling sleeve rod 16, and the squeezed coal sample block can be taken out for detection.

[0044] For further solutions, see Figure 10As shown, the auxiliary dust reduction structure 7 includes a sliding rod 51, a connecting spring 52, an output pipe 53, a spray head 54, an input pipe 55, a water storage container 56, a cylinder 48 and a piston C49. The cylinder 48 is fixedly arranged on the upper surface of the fixed base 1, and the piston C49 is slidably connected in the inner cavity of the cylinder 48. One end of the fixed sleeve rod 50 is fixedly connected to the upper surface of the piston C49, and the other end of the fixed sleeve rod 50 passes through the upper wall of the inner cavity of the cylinder 48 and extends to the outside of the wall. The sliding rod 51 is slidably connected in the inner cavity of the fixed sleeve rod 50, and the top end of the sliding rod 51 is fixedly connected to the fixed bracket 3, and the bottom end of the sliding rod 51 is fixedly connected to one end of the connecting spring 52, and the other end of the connecting spring 52 is fixedly connected to the fixed sleeve rod 50;

[0045] One end of an output pipe 53 is connected to one side of the bottom end of the inner cavity of the cylinder 48, and a spray head 54 is installed at the other end of the output pipe 53. An output one-way valve is installed at the output pipe 53. An input pipe 55 is installed and connected to the other side of the bottom end of the inner cavity of the cylinder 48, and an input one-way valve is installed at the input pipe 55. Before drilling and sampling, this device can extend one end of the input pipe 55 into a water storage container 56 storing water. When the fixed bracket 3 moves upward, the sliding rod 51 can be driven to move upward. The upward movement of the sliding rod 51 can drive the fixed sleeve rod 50 to move upward, and then drive the piston C49 to move upward. The upward movement of the piston C49 can pass The water in the inner cavity of the water storage container 56 is absorbed through the input pipe 55, so that the water is absorbed into the inner cavity of the cylinder 48. When the fixed bracket 3 moves downward to drive the drilling sampling structure 4 to move downward for drilling sampling, it also drives the slide rod 51 to be pressed downward. The slide rod 51 drives the fixed sleeve rod 50 to be pressed downward, and then drives the piston C49 to be pressed downward. The downward pressure of the piston C49 can output the water in the inner cavity of the cylinder 48 by pressing it downward. The water is transported to the spray head 54 through the output pipe 53, and the water is atomized and sprayed out through the spray head 54 to form water mist, which can play the role of spray dust reduction while drilling sampling, thereby avoiding the dust that may be generated during drilling sampling.

[0046] The benefits of this application are:

[0047] 1. The present invention has a reasonable structure and is easy to use. It can be drilled into a coal mine to perform sampling operations more conveniently. After sampling the coal sample, the present invention automatically squeezes the coal sample while taking the sample out of the coal mine. This can expel the air in the gaps in the loose coal sample, so that the loose coal sample is squeezed into a denser block. This can effectively avoid the accelerated oxidation caused by the large-area contact of the loose coal sample with the outside air after sampling, reduce the error in the subsequent coal sample detection, and solve the problem in the prior art that the sampled coal is loose and easily exposed to the outside air over a large area, which leads to accelerated oxidation.

[0048] 2. The present application has an auxiliary dust reduction structure, which can automatically spray dust reduction at the drilling sampling location while drilling and sampling in coal mines, thereby reducing possible dust flying. No water pump equipment is required during use, the cost of use is low, and it is suitable for popularization and use.

[0049] The circuits, electronic components and modules involved are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software and methods.

[0050] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A sampler for detecting the degree of oxidation in coal mines, characterized by: It comprises a fixed base (1), a lifting and adjusting structure (2), a fixed bracket (3), a drilling and sampling structure (4), a driving structure (5), an auxiliary pressing structure (6) and an auxiliary dust reduction structure (7); A lifting and adjusting structure (2) is fixedly connected to the upper surface of the fixed base (1), a fixed bracket (3) is fixedly connected to one side of the lifting and adjusting structure (2), a drilling sampling structure (4) is fixedly installed on the bottom surface of the fixed bracket (3), a driving structure (5) is fixedly provided on the upper surface of the fixed bracket (3), the driving structure (5) and the drilling sampling structure (4) are connected, an auxiliary dust reduction structure (7) similar to spray dust reduction during drilling sampling is installed between the fixed bracket (3) and the fixed base (1), and an auxiliary pressing structure (6) is installed on the other side of the lifting and adjusting structure (2).

2. The sampler for detecting the degree of oxidation in coal mines according to claim 1, characterized in that: The lifting and adjusting structure (2) comprises a connecting base plate (8), a rectangular fixed column (9), a rectangular lifting slider (10), a first slide plate (11), a second slide plate (12), a support plate (13), a servo motor A (14) and a threaded rod (15); the connecting base plate (8) is fixedly arranged on the upper surface of the fixed base (1); the upper surface of the connecting base plate (8) is fixedly connected to the rectangular fixed column (9); the inner cavity of the rectangular fixed column (9) is slidably connected to the rectangular lifting slider (10); the side wall of one side of the rectangular fixed column (9) is slidably connected to the first slide plate (11); the side wall of the other side of the rectangular fixed column (9) is slidably connected to the second slide plate (12); the first slide plate (11) and the rectangular lifting slider (10) are fixedly connected, and the second slide plate (12) and the rectangular lifting slider (10) are fixedly connected.

3. The sampler for detecting the degree of oxidation in coal mines according to claim 2, characterized in that: A support plate (13) is fixedly arranged in the inner cavity of the rectangular fixed column (9), and one end of a threaded rod (15) is rotatably connected to the upper surface of the support plate (13), and the other end of the threaded rod (15) is rotatably connected to the upper wall of the inner cavity of the rectangular fixed column (9). The threaded rod (15) passes through the rectangular lifting slider (10) and is threadedly engaged with the rectangular lifting slider (10). A servo motor A (14) is fixedly installed in the inner cavity of the rectangular fixed column (9), and the end of the output shaft of the servo motor A (14) is fixedly connected to the bottom end of the threaded rod (15). A fixed bracket (3) is fixedly connected to the side wall of the first slide plate (11).

4. The sampler for detecting the degree of oxidation in coal mines according to claim 1, characterized in that: The drilling sampling structure (4) comprises a sampling sleeve rod (16), a mounting shell (17), a connecting rod A (18), a rotating disc (19), a servo motor B (20), a connecting rod B (21), a fixed circular plate (22), a drill bit (23), a fixed cylinder (24), a piston A (25), a connecting rod C (26), a connecting pipe (27), a downward pressing sleeve (28), a pressure plate (29) and a small hole (30). The sampling sleeve rod (16) is fixedly arranged on the bottom surface of the fixed bracket (3). The inner cavity of the sampling sleeve rod (16) is slidably connected to the mounting shell (17). One end of the connecting rod A (18) is fixedly connected to the upper surface of the mounting shell (17). The other end of the connecting rod A (18) passes through the sampling sleeve rod. The rod (16) is connected to the upper wall of the inner cavity and extends to the outside of the wall. The bottom surface of the mounting shell (17) is rotatably connected to a rotating disk (19). A servo motor B (20) is fixedly installed in the inner cavity of the mounting shell (17). The end of the output shaft of the servo motor B (20) is fixedly connected to the bottom surface of the rotating disk (19). One end of a connecting rod B (21) is fixedly connected to the bottom surface of the rotating disk (19). The other end of the connecting rod B (21) extends to the bottom end of the inner cavity of the sampling sleeve rod (16). A drill bit (23) is fixedly connected to the bottom end of the connecting rod B (21). An inner cavity is provided inside the drill bit (23). The drill bit (23) and the sampling sleeve rod (16) are sleeved and slidably matched.

5. The sampler for detecting the oxidation degree of coal mines according to claim 4, characterized in that: A fixed circular plate (22) is fixedly connected to the inner cavity of the sampling sleeve (16), the connecting rod B (21) passes through the fixed circular plate (22) and is slidably matched with the fixed circular plate (22), a fixed cylinder (24) is fixedly connected to the bottom surface of the fixed circular plate (22), a piston A (25) is slidably connected to the inner cavity of the fixed cylinder (24), one end of a connecting rod C (26) is fixedly connected to the bottom surface of the piston A (25), and the other end of the connecting rod C (26) passes through the inner cavity bottom wall of the fixed cylinder (24) and extends to the outside of the wall. The bottom end of the connecting rod C (26) is fixedly connected with a downward pressing sleeve (28), the connecting rod B (21) passes through the center of the downward pressing sleeve (28) and is slidably fitted with the downward pressing sleeve (28), the downward pressing sleeve (28) is slidably fitted with the inner cavity wall of the sampling sleeve rod (16), a pressure plate (29) is fixedly provided on the bottom surface of the downward pressing sleeve (28), a small hole (30) is provided at the downward pressing sleeve (28) and the pressure plate (29), and a connecting pipe (27) is connected to the upper end of the inner cavity of the fixed cylinder (24).

6. The sampler for detecting the degree of oxidation in coal mines according to claim 1, characterized in that: The driving structure (5) comprises an L-shaped bracket (31), a fixed bracket (32), a rotating disk (33), a servo motor C (34), a linkage connecting plate (35) and a connecting block (36). The L-shaped bracket (31) is fixedly arranged on the upper surface of the fixed bracket (3). The fixed bracket (32) is fixedly connected to the L-shaped bracket (31). The rotating disk (33) is rotatably connected to the side wall of the fixed bracket (32). The servo motor C (34) is fixedly installed on the other side wall of the fixed bracket (32). The output shaft end of the servo motor C (34) is fixedly connected to the rotating disk (33). One end of the linkage connecting plate (35) is rotatably connected to the side wall of the rotating disk (33). The other end of the linkage connecting plate (35) is rotatably connected to the connecting block (36). The connecting block (36) is fixedly connected to the top end of the connecting rod A (18).

7. The sampler for detecting the oxidation degree of coal mine according to claim 1, characterized in that: The auxiliary pressing structure (6) comprises a support rod (37), a connecting plate A (38), a connecting cylinder (39), a piston B (40), a push rod (41), a connecting plate B (42), a connecting hose (43), a sleeve rod (44), a connecting rod (45), a spring (46) and a fixed plate frame (47), wherein the support rod (37) is fixedly arranged on the upper surface of the fixed base (1), the top end of the support rod (37) is fixedly connected to the connecting plate A (38), and the connecting plate A (39) is fixedly connected to the connecting plate A (39). 8), a connecting cylinder (39) is fixedly connected to the bottom surface of the connecting cylinder (39), a piston B (40) is slidably connected in the inner cavity of the connecting cylinder (39), one end of a push rod (41) is fixedly connected to the bottom surface of the piston B (40), the other end of the push rod (41) passes through the bottom wall of the inner cavity of the connecting cylinder (39) and extends to the outside of the wall, one end of a connecting hose (43) is connected to the upper end of the inner cavity of the connecting cylinder (39), and the other end of the connecting hose (43) is fixedly connected to the connecting pipe (27).

8. The sampler for detecting the degree of oxidation in coal mines according to claim 7, characterized in that: The bottom end of the push rod (41) is fixedly connected to a connecting plate B (42), the upper surface of the connecting plate B (42) is fixedly connected to a connecting rod (45), the connecting rod (45) is inserted into the inner cavity of the sleeve rod (44) and slides with the sleeve rod (44), the top end of the connecting rod (45) is fixedly connected to one end of a spring (46), the other end of the spring (46) is fixedly connected to the upper wall of the inner cavity of the sleeve rod (44), the top end of the sleeve rod (44) is fixedly connected to a fixed plate frame (47), and the fixed plate frame (47) is fixedly connected to the second slide plate (12).

9. The sampler for detecting the oxidation degree of coal mine according to claim 1, characterized in that: The auxiliary dust reduction structure (7) comprises a slide rod (51), a connecting spring (52), an output pipe (53), a spray head (54), an input pipe (55), a water storage container (56), a cylinder (48) and a piston C (49), wherein the cylinder (48) is fixedly arranged on the upper surface of the fixed base (1), the piston C (49) is slidably connected in the inner cavity of the cylinder (48), one end of a fixed sleeve rod (50) is fixedly connected to the upper surface of the piston C (49), the other end of the fixed sleeve rod (50) passes through the upper wall of the inner cavity of the cylinder (48) and extends to the outside of the wall, the slide rod (51) is slidably connected in the inner cavity of the fixed sleeve rod (50), the top end of the slide rod (51) is fixedly connected to the fixed bracket (3), the bottom end of the slide rod (51) is fixedly connected to one end of the connecting spring (52), and the other end of the connecting spring (52) is fixedly connected to the fixed sleeve rod (50).

10. The sampler for detecting the oxidation degree of coal mines according to claim 9, characterized in that: One end of an output pipe (53) is connected to one side of the bottom end of the inner cavity of the cylinder (48), a spray head (54) is installed at the other end of the output pipe (53), and an output one-way valve is installed on the output pipe (53). An input pipe (55) is installed and connected to the other side of the bottom end of the inner cavity of the cylinder (48), and an input one-way valve is installed on the input pipe (55).

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