Deep sampling device for coal mine geological exploration

Abstract

The invention discloses a deep sampling device for coal mine geological exploration and relates to the technical field of geological exploration, the deep sampling device comprises a positioning seat, a drill rod assembly and a sampling assembly, positioning drills are arranged at the two ends of the exterior of the positioning seat, a first hydraulic cylinder is arranged in the positioning seat, and a lifting seat is arranged at the output end of the first hydraulic cylinder; a positioning assembly is arranged at the outer end of the lifting base, and a drill rod assembly is arranged in the positioning assembly. After air enters the air blowing groove, the excavating head can be ejected out of the rod body, so that the sampling piece of the excavating head can excavate and sample the surface of a soil layer, after the excavating head is displaced, the suction groove can be communicated with the backflow groove, at the moment, the suction machine works, suction force can enter the suction groove, the suction groove is communicated with the sampling groove, and the sampling piece can sample the surface of the soil layer. Through the operation, the equipment can realize sampling of a soil layer, and the sliding seat can freely slide in the rod body, so that the sampling assembly can freely collect soil samples at different depths in the use process.

Description

Technical Field

[0001] The invention relates to the technical field of geological exploration, in particular to a deep sampling device for coal mine geological exploration. Background Art

[0002] Coal mine geological exploration refers to the geological investigation and detection of coal mine ore bodies to determine the location, thickness, inclination, ore properties and other characteristics of coal seams. The purpose of coal mine geological exploration is to obtain sufficient data and information to support coal mining planning, design and production. In the process of coal mine geological exploration, deep sampling devices are usually used to sample soil layers.

[0003] The common deep sampling devices on the market can usually only sample the soil layer at the current drilling depth during the sampling process, and it is difficult to re-sample the soil in the drilled soil layer. In the deep sampling process, re-sampling is often required due to too many sampling times, sample confusion, sample failure or too small sampling volume.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a deep sampling device for coal mine geological exploration is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a deep sampling device for coal mine geological exploration to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a deep sampling device for coal mine geological exploration, comprising a positioning seat, a drill rod assembly and a sampling assembly, wherein positioning drills are arranged at both ends of the outer side of the positioning seat, and a first hydraulic cylinder is arranged inside the positioning seat, a lifting seat is arranged at the output end of the first hydraulic cylinder, a positioning assembly is arranged at the outer end of the lifting seat, and a drill rod assembly is arranged inside the positioning assembly, the drill rod assembly comprises a rod body, a docking groove, a clamping groove, a separation groove, a reset spring, a locking pile, an air blowing groove, a reflux groove, a locking groove, a docking pile, a pressure spring and a clamping block, and a top inner side of the rod body is provided with a There is a docking groove, and a locking groove is provided on the inner wall of the docking groove, a separation groove is provided inside the locking groove, a return spring is arranged on the inner side of the top of the rod body, and a locking pile is arranged on the output end of the return spring, an air blowing groove is arranged inside the rod body, and a reflux groove is arranged inside the rod body, a locking groove is arranged on the inner side of the bottom of the rod body, and the bottom end of the rod body is connected to the docking pile, a pressure spring is arranged inside the docking pile, and a locking block is arranged on the outer end of the pressure spring, an excavation assembly is arranged inside the rod body, and a sampling assembly is arranged at the middle end of the rod body, and a deep drilling bit is arranged at the bottom end of the rod body at the bottom.

[0007] Furthermore, the positioning assembly includes a second hydraulic cylinder, a bearing pressure seat, a motor, a driving gear, a rotating table, a driven gear, a gripping seat, a third hydraulic cylinder and a snap-fit ​​seat, a bearing pressure seat is provided at the output end of the second hydraulic cylinder, a motor is mounted at the outer end of the bearing pressure seat, and the output end of the motor is connected to the driving gear, a rotating table is provided on the inner side of the bearing pressure seat, and a driven gear is provided at the outer end of the rotating table, a gripping seat is provided at the bottom end of the rotating table, and a third hydraulic cylinder is mounted at the inner end of the gripping seat, and a snap-fit ​​seat is provided at the output end of the third hydraulic cylinder.

[0008] Furthermore, the driving gear is meshed with the driven gear, and the driven gear drives the rotating platform and the gripping seat to rotate.

[0009] Furthermore, the inner contour of the gripping seat fits with the outer contour of the rod body and the inner contour of the docking groove, and the third hydraulic cylinder drives the engaging seat to engage with the rod body.

[0010] Furthermore, the inner contour size of the docking groove matches the outer contour size of the docking pile, and the outer contour size of the engaging block matches the inner contour size of the engaging groove.

[0011] Furthermore, the return spring is elastically connected to the locking pile, and the outer contour size of the locking pile matches the inner contour size of the locking groove.

[0012] Furthermore, the excavation assembly includes an excavation head, a sampling piece, a suction groove and a sampling groove. The outer end of the excavation head is provided with a sampling piece, the interior of the excavation head is provided with a suction groove, and the surface of the excavation head is provided with a sampling groove.

[0013] Furthermore, the suction groove is connected to the reflux groove, and the suction groove is connected to the sampling groove.

[0014] Furthermore, the sampling assembly includes a sliding seat, an air blowing port, an air suction port, a hose and a partition valve. The outer end of the sliding seat is provided with an air blowing port, and the outer end of the sliding seat is provided with an air blowing port. The top outer end of the sliding seat is connected to a hose, and a partition valve is provided at the middle end of the hose.

[0015] Furthermore, the air blowing port is connected to the air blowing groove, and the air suction port is connected to the reflux groove.

[0016] The present invention provides a deep sampling device for coal mine geological exploration, which has the following beneficial effects: 1. The present invention can drive the driven gear to rotate through the motor, so that the rotating table drives the gripping seat to rotate, which enables the rod body to drive the deep drilling drill bit to rotate. At this time, the bearing pressure seat is driven downward by the second hydraulic cylinder, so that the rod body can drive the deep drilling drill bit to drill into the soil layer. In addition, the lifting seat is driven to move up and down by the first hydraulic cylinder, which can also move the rod body downward. Because the displacement strokes of the first hydraulic cylinder and the second hydraulic cylinder are superimposed, the positioning assembly can be in a storage state when not in use, which can reduce the overall height of the equipment, thereby facilitating the transportation and layout of the equipment. In addition, the first hydraulic cylinder and the second hydraulic cylinder are used as a separate group. When in use, the rod body can be driven into the soil layer alone, so that when one of the first hydraulic cylinder and the second hydraulic cylinder fails, the other group can continue to operate, which can reduce the probability of the equipment being affected by the failure. In the process of driving into the soil layer, if the displacement of the first hydraulic cylinder or the second hydraulic cylinder interferes with external objects, the interference can be avoided by adopting a mixed movement method, which improves the flexibility of the equipment. In addition, after the equipment drives a rod body into the soil layer, it moves upward synchronously through the double-stage downward movement mechanism, so that the gripping seat can be quickly moved to the specified height, thereby facilitating the driving of the next rod body, which can improve the work efficiency of the equipment.

[0017] The locking post will be pressed into the locking groove by the spring when the two rods are connected, and the locking post will be pressed into the locking groove by the spring when the two rods are connected.

[0018] 3. After the staff of the present invention extends the sliding seat into the through hole at the top of the bearing pressure seat, the sliding seat can move to the inside of the rod body along with the through hole. After the sliding seat moves to the inside of the rod body, the blowing port at its outer end is connected to the blowing groove, and the suction port is connected to the return groove. The interlayer valve at the middle end of the hose can separate the hose into two spaces, so that the hose can connect the suction port to the suction port, and the blowing port to the blowing port. When the blowing machine works, the gas can be blown out through the blowing port. After the gas enters the blowing groove, the excavating head can be pushed out from the inside of the rod body, which makes the excavating head The sampling piece of the head can dig and sample the surface of the soil layer, and after the digging head is displaced, the suction groove can be connected with the reflux groove. At this time, the suction machine works, and the suction force can enter the suction groove through the hose, the air intake port, and the reflux groove. The suction groove is connected with the sampling groove. After the sampling piece digs and samples the surface of the soil layer, the soil layer will enter into the sampling groove due to the rotation of the rod body. Through the above operations, the equipment can realize the sampling of the soil layer, because the sliding seat can slide freely inside the rod body, which enables the sampling component to freely collect soil samples of different depths during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a deep sampling device for coal mine geological exploration according to the present invention; Figure 2 This is a schematic diagram of the overall structure of a positioning assembly of a deep sampling device for coal mine geological exploration according to the present invention; Figure 3 This is a schematic diagram of the overall structure of a drill rod assembly of a deep sampling device for coal mine geological exploration according to the present invention; Figure 4 This is a schematic diagram of the internal structure of a drill rod assembly of a deep sampling device for coal mine geological exploration according to the present invention; Figure 5 This is a schematic diagram of the structure of an excavation component of a deep sampling device for coal mine geological exploration according to the present invention; Figure 6 This is a schematic diagram of the overall structure of a sampling assembly of a deep sampling device for coal mine geological exploration according to the present invention; Figure 7 This is a schematic cross-sectional structure diagram of a positioning assembly of a deep sampling device for coal mine geological exploration according to the present invention; Figure 8 The present invention is a schematic diagram of the cross-sectional structure of a drill rod assembly of a deep sampling device for coal mine geological exploration.

[0020] In the figure: 1, positioning seat; 2, positioning drill; 3, first hydraulic cylinder; 4, lifting seat; 5, positioning assembly; 501, second hydraulic cylinder; 502, bearing pressure seat; 503, motor; 504, driving gear; 505, rotating table; 506, driven gear; 507, gripping seat; 508, third hydraulic cylinder; 509, engaging seat; 6, drill rod assembly; 601, rod body; 602, docking groove; 603, engaging groove; 604, separation groove; 605 , return spring; 606, locking pile; 607, blowing groove; 608, reflux groove; 609, locking groove; 610, docking pile; 611, pressure spring; 612, locking block; 7, excavation assembly; 701, excavation head; 702, sampling piece; 703, suction groove; 704, sampling groove; 8, sampling assembly; 801, sliding seat; 802, blowing port; 803, suction port; 804, hose; 805, interlayer valve; 9, deep drilling bit. DETAILED DESCRIPTION

[0021] See also Figures 1 to 8 The present invention provides a technical solution: a deep sampling device for coal mine geological exploration, comprising a positioning seat 1, a drill rod assembly 6 and a sampling assembly 8, wherein positioning drills 2 are arranged at both ends of the outer side of the positioning seat 1, and a first hydraulic cylinder 3 is arranged inside the positioning seat 1, a lifting seat 4 is arranged at the output end of the first hydraulic cylinder 3, a positioning assembly 5 is arranged at the outer end of the lifting seat 4, and a drill rod assembly 6 is arranged inside the positioning assembly 5, the drill rod assembly 6 comprises a rod body 601, a docking groove 602, a clamping groove 603, a separation groove 604, a reset spring 605, a locking pile 606, an air blowing groove 607, a reflux groove 608, a locking groove 609, a docking pile 610, a pressure spring 611 and a clamping block 612, a docking groove 602 is opened on the inner side of the top of the rod body 601, and the docking groove 603 ... A locking groove 603 is provided on the inner wall of 02, a separation groove 604 is provided inside the locking groove 603, a return spring 605 is arranged on the inner side of the top of the rod body 601, and a locking pile 606 is arranged at the output end of the return spring 605, an air blowing groove 607 is provided inside the rod body 601, and a reflux groove 608 is provided inside the rod body 601, a locking groove 609 is provided on the inner side of the bottom of the rod body 601, and a docking pile 610 is connected to the bottom end of the rod body 601, a pressure spring 611 is provided inside the docking pile 610, and a locking block 612 is arranged on the outer end of the pressure spring 611, an excavation component 7 is arranged inside the rod body 601, and a sampling component 8 is arranged at the middle end of the rod body 601, and a deep drilling bit 9 is arranged at the bottom end of the bottommost rod body 601.

[0022] See also Figures 1 to 8The positioning assembly 5 includes a second hydraulic cylinder 501, a bearing seat 502, a motor 503, a driving gear 504, a rotating table 505, a driven gear 506, a gripping seat 507, a third hydraulic cylinder 508 and a snap-fit ​​seat 509. The output end of the second hydraulic cylinder 501 is provided with a bearing seat 502, and the outer end of the bearing seat 502 is provided with a motor 503, and the output end of the motor 503 is connected to the driving gear 504. The inner side of the bearing seat 502 is provided with a rotating table 505, and the outer end of the rotating table 505 is provided with a driven gear 506. The rotating table A gripping seat 507 is arranged at the bottom end of 505, and a third hydraulic cylinder 508 is arranged at the inner end of the gripping seat 507, and a snap-fit ​​seat 509 is arranged at the output end of the third hydraulic cylinder 508, the driving gear 504 is meshed with the driven gear 506, and the driven gear 506 drives the rotating platform 505 and the gripping seat 507 to rotate, the inner contour of the gripping seat 507 is in line with the outer contour of the rod body 601 and the inner contour of the docking groove 602, and the third hydraulic cylinder 508 drives the snap-fit ​​seat 509 to engage with the rod body 601, and the inner contour size of the docking groove 602 is the same as that of the docking pile 61. 0, the outer contour size of the engaging block 612 matches the inner contour size of the engaging groove 603, the return spring 605 is elastically connected to the locking pile 606, and the outer contour size of the locking pile 606 matches the inner contour size of the locking groove 609, the excavation assembly 7 includes an excavation head 701, a sampling piece 702, a suction groove 703 and a sampling groove 704, the outer end of the excavation head 701 is provided with a sampling piece 702, the interior of the excavation head 701 is provided with a suction groove 703, and the surface of the excavation head 701 is provided with a sampling groove 704, and the suction groove 703 is provided on the surface of the excavation head 701. 03 is connected with the reflux groove 608, and the suction groove 703 is connected with the sampling groove 704, the sampling assembly 8 includes a sliding seat 801, an air inlet 802, an air inlet 803, a hose 804 and a barrier valve 805, the outer end of the sliding seat 801 is provided with an air inlet 802, and the outer end of the sliding seat 801 is provided with an air inlet 802, the top outer end of the sliding seat 801 is connected with a hose 804, and the middle end of the hose 804 is provided with a barrier valve 805, the air inlet 802 is connected with the air inlet groove 607, and the air inlet 803 is connected with the reflux groove 608; The specific operation is as follows. Before using the equipment, the staff moves the positioning seat 1 to the top of the soil layer to be surveyed, and by drilling the positioning drill 2 into the soil layer, the positioning seat 1 can be stably fixed on the foundation. After the positioning seat 1 is fixed, the staff will dock the rod body 601 equipped with the deep drilling drill bit 9 with the gripping seat 507. Because the inner contour of the gripping seat 507 is completely matched with the outer contour of the rod body 601 and the inner contour of the docking groove 602, the gripping seat 507 can be stably docked with the rod body 601. Because the inner and outer double-section docking method is adopted, it can effectively avoid the deviation of the docking between the rod body 601 and the gripping seat 507 due to the matching tolerance, thereby affecting the subsequent drilling. After the docking of the two is completed, the third hydraulic cylinder 508 drives The displacement of the engaging seat 509 can make the engaging seat 509 engage with the rod body 601, so that the rod body 601 can be stably connected with the gripping seat 507. After the rod body 601 is fixed, the motor 503 works to make the driving gear 504 drive the driven gear 506 to rotate, so that the rotating table 505 drives the gripping seat 507 to rotate, so that the rod body 601 can drive the deep drilling drill bit 9 to rotate. At this time, the bearing pressure seat 502 is driven downward by the second hydraulic cylinder 501, so that the rod body 601 can drive the deep drilling drill bit 9 to drill into the soil layer. In addition, the lifting seat 4 is driven to rise and fall by the first hydraulic cylinder 3, which can also make the rod body 601 move downward. Because the displacement strokes of the first hydraulic cylinder 3 and the second hydraulic cylinder 501 are superimposed, this makes the positioning component 5 in a non-use state When the first hydraulic cylinder 3 and the second hydraulic cylinder 501 are used as a group, the rod body 601 can be driven into the soil layer separately, so that when one of the first hydraulic cylinder 3 and the second hydraulic cylinder 501 fails, the other group can continue to operate, which can reduce the probability of the operation of the equipment being affected by the failure. In the process of driving into the soil layer, if the displacement of the first hydraulic cylinder 3 or the second hydraulic cylinder 501 interferes with external objects, the interference can be avoided by adopting a mixed movement method, which improves the flexibility of the equipment. In addition, after the equipment drives a rod body 601 into the soil layer, it moves upward synchronously through the double-stage downward movement mechanism, which can make the gripping seat 507 move quickly. To the specified height, so as to facilitate the driving of the next rod body 601, which can improve the working efficiency of the equipment. After a rod body 601 is driven into the soil layer, the third hydraulic cylinder 508 drives the locking seat 509 to separate from the rod body 601. At the same time, the first hydraulic cylinder 3 and / or the second hydraulic cylinder 501 retreat, so that the gripping seat 507 can be moved back to the initial height. At this time, the staff moves a new rod body 601 to the bottom end of the gripping seat 507 and fixes it with the gripping seat 507. The gripping seat 507 moves down again, so that the docking pile 610 at the bottom end of the new rod body 601 can be extended into the docking groove 602 located in the soil layer rod body 601. After the docking pile 610 is extended into the docking groove 602 to the specified position, the locking block 612 will be locked into the locking groove 603 due to the rebound of the pressure spring 611.This allows the two rod bodies 601 to be quickly docked without bolting. When the rod body 601 is fixed to the gripping seat 507, the locking post 606 will squeeze the return spring 605 and retract into the rod body 601. When the two rod bodies 601 are docked, the locking post 606 will extend into the locking groove 609 due to the rebound of the return spring 605. When the rod body 601 rotates, the interlocking of the locking post 606 and the locking groove 609 can effectively disperse the torque transmitted to the locking block 612. This can prevent the locking block 612 from being deformed due to excessive torque when the rod body 601 is subsequently separated, resulting in the two rod bodies 601 being disassembled. 1 cannot be separated. When the rod bodies 601 are separated, the staff only needs to push the locking block 612 from the separation groove 604 to retract it, which can release the lock between the rod body 601 and the docking pile 610, so that the two rod bodies 601 can be quickly separated. Through the above design, the rod body 601 can have excellent fixing strength while ensuring the convenience of disassembly and assembly. When the equipment needs to sample the soil layer at a specified depth, the staff will extend the sliding seat 801 into the through hole at the top of the bearing pressure seat 502, and the sliding seat 801 can move to the inside of the rod body 601 along the through hole, and the sliding seat 801 moves After reaching the inside of the rod body 601, the air blowing port 802 at the outer end is connected to the air blowing groove 607, and the air suction port 803 is connected to the return groove 608. The interlayer valve 805 at the middle end of the hose 804 can separate the hose 804 into two spaces, so that the hose 804 can connect the suction port 803 to the suction port 803, and connect the air blowing machine to the air blowing port 802. When the air blowing machine works, the gas can be blown out through the air blowing port 802. After the gas enters the air blowing groove 607, it can push the excavating head 701 out of the rod body 601, so that the sampling piece 702 of the excavating head 701 can excavate and sample the surface of the soil layer, and the excavation After the displacement of the head 701, the suction groove 703 can be connected with the return groove 608. At this time, the suction machine works, and the suction force can enter the suction groove 703 through the hose 804, the air inlet 803, and the return groove 608. The suction groove 703 is connected with the sampling groove 704. After the sampling piece 702 excavates and samples the surface of the soil layer, the soil layer will enter the sampling groove 704 due to the rotation of the rod body 601. Through the above operation, the equipment can realize the sampling of the soil layer. Because the sliding seat 801 can slide freely inside the rod body 601, this allows the sampling component 8 to freely collect soil samples of different depths during use.

[0023] In summary, when using the deep sampling device for coal mine geological exploration, first, before using the equipment, the staff moves the positioning seat 1 to the top of the soil layer to be surveyed, and by drilling the positioning drill 2 into the soil layer, the positioning seat 1 can be stably fixed on the foundation. After the positioning seat 1 is fixed, the staff docks the rod body 601 equipped with the deep drill bit 9 with the gripping seat 507. Because the inner contour of the gripping seat 507 is completely matched with the outer contour of the rod body 601 and the inner contour of the docking groove 602, the gripping seat 507 can be stably docked with the rod body 601. Because the inner and outer double-section docking method is adopted, it can effectively avoid the situation where the rod body 601 and the gripping seat 507 are skewed due to the matching tolerance, thereby affecting the subsequent drilling. Then, after the two are docked, the third hydraulic cylinder 508 drives the engaging seat 509 to move, so that the engaging seat 509 can engage with the rod body 601, which makes the rod body 601 stably docked with the gripping seat 507. After the rod body 601 is fixed, the motor 503 works, which can make the active gear 504 drive the driven gear 506 to rotate, so that the rotating table 505 drives the gripping seat 507 to rotate, so that the rod body 601 can drive the deep drilling drill bit 9 to rotate. At this time, the second hydraulic cylinder 501 drives the bearing pressure seat 502 to move downward, so that the rod body 601 can drive the deep drilling drill bit 9 to drill into the soil layer. In addition, the first hydraulic cylinder 3 drives the lifting seat 4 to move up and down, and the rod body 601 can also move downward. Because the displacement strokes of the first hydraulic cylinder 3 and the second hydraulic cylinder 501 are superimposed, this allows the positioning assembly 5 to be in a retracted state when not in use. In the process of driving into the soil layer, if the displacement of the first hydraulic cylinder 3 or the second hydraulic cylinder 501 interferes with external objects, the interference can be avoided by adopting a mixed movement method, which improves the flexibility of the use of the equipment. In addition, after the equipment drives a rod body 601 into the soil layer, it moves upward synchronously through the double-stage downward movement mechanism, so that the gripping seat 507 can be quickly moved to the specified height, thereby facilitating the driving of the next rod body 601, which can improve the working efficiency of the equipment; After the rod 601 is driven into the soil layer, the third hydraulic cylinder 508 drives the engaging seat 509 to separate from the rod 601. At the same time, the first hydraulic cylinder 3 and / or the second hydraulic cylinder 501 retreat, allowing the gripping seat 507 to move back to its initial height. At this time, the staff moves a new rod 601 to the bottom end of the gripping seat 507 and fixes it with the gripping seat 507. The gripping seat 507 moves down again, allowing the docking pile 610 at the bottom end of the new rod 601 to extend into the docking groove 602 located on the soil layer rod 601. After the docking pile 610 extends into the docking groove 602 to the designated position, the engaging block 612 is snapped into the engaging groove 603 due to the rebound of the pressure spring 611. This allows the two rods 601 to be quickly docked without bolting. When the rod 601 is fixed to the gripping seat 507, the locking pile 606 will The return spring 605 is squeezed and retracted into the rod body 601. When the two rod bodies 601 are docked, the locking post 606 will extend into the locking groove 609 due to the rebound of the return spring 605. When the rod body 601 rotates, the interlocking of the locking post 606 and the locking groove 609 can effectively disperse the torque transmitted to the locking block 612. This can avoid the situation that the locking block 612 is deformed due to excessive torque when the rod body 601 is subsequently separated, resulting in the two rod bodies 601 being unable to separate. When the rod bodies 601 are separated, the staff only needs to push the locking block 612 from the separation groove 604 to retract it, which can release the lock between the rod body 601 and the docking post 610, so that the two rod bodies 601 can be quickly separated. Through the above design, the rod body 601 can have excellent fixing strength while ensuring the convenience of disassembly and assembly. Finally, when the equipment needs to sample the soil layer at a specified depth, the staff extends the sliding seat 801 into the through hole on the top of the bearing pressure seat 502, and the sliding seat 801 can move to the inside of the rod body 601 along the through hole. After the sliding seat 801 moves to the inside of the rod body 601, the blowing port 802 at its outer end is connected with the blowing groove 607, and the suction port 803 is connected with the reflux groove 608. The partition valve 805 at the middle end of the hose 804 can separate the hose 804 into two spaces, so that the hose 804 can connect the suction port 803 to the suction port 803, and connect the blowing port 802 to the blowing port 802. When the blowing machine works, the gas can be blown out through the blowing port 802. After the gas enters the blowing groove 607, the excavator head 701 can be removed from the rod The excavator 701 is pushed out from the inside of the rod body 601, which enables the sampling piece 702 of the excavating head 701 to excavate and sample the surface of the soil layer. After the excavating head 701 is displaced, the suction groove 703 can be connected with the reflux groove 608. At this time, the suction machine works, and the suction force can enter the suction groove 703 through the hose 804, the air inlet 803, and the reflux groove 608. The suction groove 703 is connected with the sampling groove 704. After the sampling piece 702 excavates and samples the surface of the soil layer, the soil layer will enter the sampling groove 704 due to the rotation of the rod body 601. Through the above operations, the equipment can realize the sampling of the soil layer, because the sliding seat 801 can slide freely inside the rod body 601, which enables the sampling component 8 to freely collect soil samples of different depths during use.

[0024] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A deep sampling device for coal mine geological exploration, characterized in that: The invention comprises a positioning seat (1), a drill rod assembly (6) and a sampling assembly (8), wherein positioning drills (2) are arranged at both ends of the outer side of the positioning seat (1), and a first hydraulic cylinder (3) is arranged inside the positioning seat (1), a lifting seat (4) is arranged at the output end of the first hydraulic cylinder (3), a positioning assembly (5) is arranged at the outer end of the lifting seat (4), and a drill rod assembly (6) is arranged inside the positioning assembly (5), and the drill rod assembly (6) comprises a rod body (601), a docking groove (602), a snap-fit ​​groove (603), a separation groove (604), a return spring (605), a locking pile (606), an air blowing groove (607), a reflux groove (608), a locking groove (609), a docking pile (610), a pressure spring (611) and a snap-fit ​​block (612), wherein a docking groove (602) is arranged on the inner side of the top of the rod body (601), and a snap-fit ​​groove (611) is arranged on the inner wall of the docking groove (602). 603), a separation groove (604) is provided inside the engaging groove (603), a return spring (605) is arranged on the inner side of the top of the rod body (601), and a locking pile (606) is arranged at the output end of the return spring (605), an air blowing groove (607) is arranged inside the rod body (601), and a reflux groove (608) is arranged inside the rod body (601), a locking groove (609) is arranged on the inner side of the bottom of the rod body (601), and a docking pile (610) is connected to the bottom end of the rod body (601), a pressure spring (611) is arranged inside the docking pile (610), and an engaging block (612) is arranged at the outer end of the pressure spring (611), an excavation component (7) is arranged inside the rod body (601), and a sampling component (8) is arranged at the middle end of the rod body (601), and a deep drilling drill bit (9) is arranged at the bottom end of the rod body (601).

2. A deep sampling device for coal mine geological exploration according to claim 1, characterized in that: The positioning assembly (5) comprises a second hydraulic cylinder (501), a bearing pressure seat (502), a motor (503), a driving gear (504), a rotating platform (505), a driven gear (506), a gripping seat (507), a third hydraulic cylinder (508) and a snap-fit ​​seat (509); the output end of the second hydraulic cylinder (501) is provided with a bearing pressure seat (502), the outer end of the bearing pressure seat (502) is provided with a motor (503), and the output end of the motor (503) is connected to the driving gear (504); the inner side of the bearing pressure seat (502) is provided with a rotating platform (505), and the outer end of the rotating platform (505) is provided with a driven gear (506); the bottom end of the rotating platform (505) is provided with a gripping seat (507), the inner end of the gripping seat (507) is provided with a third hydraulic cylinder (508), and the output end of the third hydraulic cylinder (508) is provided with a snap-fit ​​seat (509).

3. A deep sampling device for coal mine geological exploration according to claim 2, characterized in that: The driving gear (504) is meshed with the driven gear (506), and the driven gear (506) drives the rotating platform (505) and the gripping seat (507) to rotate.

4. A deep sampling device for coal mine geological exploration according to claim 2, characterized in that: The inner contour of the gripping seat (507) fits the outer contour of the rod body (601) and the inner contour of the docking groove (602), and the third hydraulic cylinder (508) drives the engaging seat (509) to engage with the rod body (601).

5. The deep sampling device for coal mine geological exploration according to claim 1, characterized in that: The inner contour size of the docking groove (602) matches the outer contour size of the docking pile (610), and the outer contour size of the engaging block (612) matches the inner contour size of the engaging groove (603).

6. A deep sampling device for coal mine geological exploration according to claim 1, characterized in that: The return spring (605) is elastically connected to the locking pile (606), and the outer contour dimension of the locking pile (606) matches the inner contour dimension of the locking groove (609).

7. A deep sampling device for coal mine geological exploration according to claim 1, characterized in that: The excavation assembly (7) comprises an excavation head (701), a sampling piece (702), a suction groove (703) and a sampling groove (704); the sampling piece (702) is arranged at the outer end of the excavation head (701), the suction groove (703) is provided inside the excavation head (701), and the sampling groove (704) is provided on the surface of the excavation head (701).

8. A deep sampling device for coal mine geological exploration according to claim 7, characterized in that: The suction groove (703) is connected to the reflux groove (608), and the suction groove (703) is connected to the sampling groove (704).

9. A deep sampling device for coal mine geological exploration according to claim 1, characterized in that: The sampling assembly (8) comprises a sliding seat (801), an air blowing port (802), an air suction port (803), a hose (804) and a barrier valve (805); the outer end of the sliding seat (801) is provided with an air blowing port (802); the top outer end of the sliding seat (801) is connected to a hose (804), and the middle end of the hose (804) is provided with a barrier valve (805).

10. A deep sampling device for coal mine geological exploration according to claim 9, characterized in that: The air blowing port (802) is connected to the air blowing groove (607), and the air suction port (803) is connected to the reflow groove (608).

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