A geological survey sampling device

Abstract

The present invention belongs to the field of survey and sampling technology, and specifically discloses a geological survey and sampling equipment, including a main support plate and a plurality of support legs at its lower part, wherein a center hole is provided through the center of the main support plate, a drilling transmission assembly is provided at the center hole of the upper wall of the main support plate, a sampling protection drilling assembly is slidably provided at the center hole of the main support plate, a lifting assembly is provided on the main support plate, a sampling release assembly is provided on the lifting assembly, and an anti-drop sampling inner core is provided on the sampling release assembly. The present invention is provided with an outer drilling cylinder and a sampling inner cylinder, and when the two are connected together, the soil at the sampling point is drilled and sampled, and when the two are separated, the lower end of the sampling inner cylinder is automatically blocked to prevent the soil sample from falling, and at the same time, the outer drilling cylinder protects the soil on the inner wall of the sampling hole from falling, and prevents the mixing of soil samples at different depths from affecting the survey data.

Description

Technical Field

[0001] The invention belongs to the technical field of exploration and sampling, and specifically refers to a geological exploration and sampling device. Background Art

[0002] Geological exploration factors include geological structure or geological construction: landform, hydrogeological conditions, physical and mechanical properties of soil and rock, natural geological phenomena and natural building materials, etc. These are usually called engineering geological conditions. After the engineering geological conditions are identified, it is necessary to sample the surface soil during geological surveys and mineral explorations based on the structure and operation characteristics of the designed building.

[0003] During the soil sampling process, when the soil sample is taken out, since the lower end of the sampling tube is open, the soil sample may fall during the rising process of the sampling tube, resulting in incomplete soil sample; at the same time, when the sampling tube is taken out, the soil on the inner wall of the sampling hole may fall to the bottom of the sampling hole, thereby causing soil samples at different depths to mix and affect the survey data.

[0004] Therefore, a geological survey sampling device is needed to solve the above problems. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a geological survey sampling equipment, which is provided with an outer drilling cylinder and a sampling inner cylinder. When the two are connected together, the soil at the sampling point is drilled and sampled. When the two are separated, the lower end of the sampling inner cylinder is automatically blocked to prevent the soil sample from falling. At the same time, the outer drilling cylinder protects the soil on the inner wall of the sampling hole from falling, thereby preventing soil samples at different depths from mixing and affecting the survey data.

[0006] The technical solution adopted by the present invention is as follows: The present invention provides a geological survey sampling equipment, including a main support plate and multiple supporting legs at the lower part thereof, a center hole is penetrated through the center of the main support plate, a drilling transmission assembly is provided at the center hole of the upper wall of the main support plate, a sampling protection drilling assembly is slidably provided at the center hole of the main support plate, a lifting assembly is provided on the main support plate, a sampling release assembly is provided on the lifting assembly, and an anti-drop sampling inner core is provided on the sampling release assembly.

[0007] Furthermore, the drilling transmission assembly includes a transmission gear ring, a transmission gear, a transmission shaft and a transmission motor. The transmission gear ring is rotatably arranged at the center hole of the main support plate, the transmission gear is arranged on the upper wall of the main support plate through the transmission shaft, the transmission gear ring is meshed with the transmission gear, the transmission motor is arranged on the lower wall of the main support plate, and the transmission motor is connected to the transmission shaft.

[0008] Furthermore, the lifting assembly includes a hydraulic lifting rod, a fixed ring, a support column, an upper support plate and a movable plate, the support column is symmetrically arranged on the upper wall of the main support plate, the upper support plate is arranged on the upper end of the support column, the hydraulic lifting rod is arranged on the upper wall of the upper support plate, the movable end of the hydraulic lifting rod passes through the upper support plate, the fixed ring is arranged on the movable end of the hydraulic lifting rod, the movable plate is rotatably arranged in the fixed ring, a lifting hole is penetrated at the center hole of the movable plate, a limiting groove is arranged on the lower wall of the movable plate, the limiting groove and the lifting hole are concentric circles, and a connecting bolt is arranged on the upper wall of the movable plate around the axis of the center hole.

[0009] Furthermore, the sampling release assembly includes a mounting frame, a rope reel and a sling rope, the mounting frame is arranged on an upper support plate, a through hole is penetrated at the center of the upper support plate, the rope reel is arranged on the mounting frame, and the sling rope is wound around the rope reel.

[0010] Furthermore, the sampling protection drilling assembly includes a mounting head, an outer drilling barrel and a drilling blade. The outer drilling barrel is a cylindrical structure with openings at both ends. The outer drilling barrel is slidably arranged in a center hole on the main support plate. The mounting head is an annular structure. The mounting head is arranged at the lower end of the outer drilling barrel. The inner wall of one end of the outer drilling barrel is provided with an internal thread, and the outer wall of the other end of the outer drilling barrel is provided with an external thread. Two adjacent outer drilling barrels are connected by threads. The drilling blade is arranged on the end face of the mounting head. The end face array where the internal thread of the outer drilling barrel is located is provided with threaded holes. The threaded holes and the connecting bolts are on the same circumference. The outer side wall of the end where the internal thread of the outer drilling barrel is located is provided with an annular groove.

[0011] Furthermore, the anti-drop sampling inner core includes a cover plate, a rotating block, a sampling inner cylinder, a transmission hydraulic rod, a transmission plate, a supporting rod, a linkage shaft, a linkage gear, a linkage rack, an elastic friction plate, a restoring spring and a clamping cam. The cover plate is arranged at the end of the suspension rope, and a rotating block is rotatably arranged at the center of the cover plate, and the suspension rope is fixed on the rotating block. The sampling inner cylinder is arranged on the lower end surface of the cover plate, and the outer side wall of the lower end of the sampling inner cylinder is provided with a transmission groove array around the axial direction, and the inner side wall array of the sampling inner cylinder is provided with a placement groove, and the placement groove is aligned with the transmission groove, and the outer side wall array of the sampling inner cylinder is provided with a spring groove, and the spring groove is aligned with the transmission groove, and the transmission hydraulic The pressure rod is arranged on the end face of the placement groove, the transmission plate is arranged on the movable end of the transmission hydraulic rod, the transmission plate is slidably arranged in the transmission groove, the linkage rack is arranged on the lower end face of the transmission plate, the linkage shaft is rotatably arranged on the inner side wall of the transmission groove, the linkage gear is arranged on the linkage shaft, the linkage rack is meshed with the linkage gear, one end of the support rod is arranged on the linkage shaft, the support rod is arranged on one side of the linkage gear, the clamping cam is arranged on the linkage shaft, the clamping cam is arranged on the other side of the linkage gear, the restoring spring is arranged on the bottom wall of the spring groove, the elastic friction plate is arranged on the end face of the restoring spring, the elastic friction plate is arranged in the spring groove and extends to the lower end face of the sampling inner cylinder.

[0012] Furthermore, the upper wall of the transmission gear ring is provided with baffles along the center line array, and the baffles are rotatably arranged on the upper wall of the transmission gear ring via an axis.

[0013] Furthermore, the inner diameter of the mounting head is smaller than the inner diameter of the outer drilling tube.

[0014] Furthermore, a linkage groove is provided on the outer wall of the outer drilling tube along the axial direction, and a limit block is provided on the inner wall of the transmission gear ring, and the limit block is slidably arranged in the linkage groove.

[0015] Furthermore, a friction layer is provided on the lower part of the inner side wall of the outer drilling tube connected to the mounting head.

[0016] The beneficial effects achieved by the present invention using the above structure are as follows:

[0017] 1. The transmission hydraulic rod extends downward, drives the transmission plate and the linkage rack to move downward, the linkage rack drives the linkage gear and the linkage shaft to rotate, the linkage shaft drives the support rod to enter the transmission groove, and at the same time the linkage shaft drives the clamping cam to rotate an angle. At this time, the clamping cam pushes the elastic friction plate outward, and the elastic friction plate is tightly pressed against the friction layer of the outer drilling tube, so that the inner sampling tube and the outer drilling tube are fixed together. When the outer drilling tube drills at the sampling point, the soil sample enters the inner sampling tube;

[0018] 2. When the soil sample needs to be taken out, the transmission hydraulic rod is controlled to retract upward, and the transmission hydraulic rod drives the transmission plate and the linkage rack to move upward, and the linkage rack drives the linkage gear and the linkage shaft to reverse, and the linkage shaft drives the supporting plate to rotate out of the transmission groove, and the supporting plate plays a role in supporting the soil sample at the bottom of the sampling inner cylinder to prevent the soil sample from leaking out of the sampling inner cylinder. At the same time, the linkage shaft drives the clamping cam to rotate in the opposite direction, and the clamping cam is separated from the elastic friction. The elastic friction plate is pulled back to the spring groove and the transmission groove under the action of the restoring spring, so that the outer drilling cylinder and the sampling inner cylinder are in a separated state;

[0019] 3. After the sampling is completed, align the connecting bolts on the movable plate with the threaded holes, screw the connecting bolts into the threaded holes, connect the movable plate with the uppermost outer drilling tube, adjust the hydraulic lifting rod to rise, control the movable plate to drive the outer drilling tube to rise, align the annular groove on the second upper outer drilling tube with the baffle, and make the baffle stuck in the annular groove, remove the uppermost outer drilling tube, repeat the above operation, and remove all the outer drilling tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front three-dimensional structure of a geological survey sampling device proposed by the present invention;

[0021] Figure 2 This is a schematic diagram of the bottom three-dimensional structure of a geological survey sampling device proposed by the present invention;

[0022] Figure 3 for Figure 1 The main view;

[0023] Figure 4 for Figure 3 Schematic diagram of the middle AA section;

[0024] Figure 5 It is a schematic diagram of the front three-dimensional structure of the lifting assembly and the sampling and releasing assembly;

[0025] Figure 6 It is a schematic diagram of the bottom three-dimensional structure of the lifting assembly and the sampling and releasing assembly;

[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the outer drilling tube;

[0027] Figure 8 A schematic diagram of the internal structure of the mounting head and the external drilling tube connected thereto;

[0028] Fig. 9 A schematic diagram of the bottom three-dimensional structure of the sampling core to prevent it from falling;

[0029] Fig.10 A schematic diagram of the front three-dimensional structure of the sampling core to prevent it from falling;

[0030] Fig.11 Schematic diagram of the internal structure of the sampling core to prevent it from falling;

[0031] Fig.12 It is a schematic diagram of the positional relationship among the linkage rack, linkage gear, clamping cam and support rod;

[0032] Fig.13 It is a schematic diagram of the structure inside the placement groove and spring groove of the sampling inner cylinder;

[0033] Fig.14 It is a schematic diagram of the three-dimensional structure of the sampling inner cylinder;

[0034] Fig.15 for Fig.13 Enlarged view of part B;

[0035] Fig.16 for Figure 1 Enlarged view of part C.

[0036] Among them, 1. main support plate, 2. support leg, 3. center hole, 4. drilling transmission assembly, 5. sampling protection drilling assembly, 6. lifting assembly, 7. sampling release assembly, 8. anti-drop sampling inner core, 9. transmission gear ring, 10. transmission gear, 11. transmission shaft, 12. transmission motor, 13. hydraulic lifting rod, 14. fixing ring, 15. support column, 16. upper support plate, 17. movable plate, 18. lifting hole, 19. limit slot, 20. connecting bolt, 21. mounting frame, 22. rope reel, 23. lifting rope, 24. through hole, 25. , mounting head, 26, outer drilling cylinder, 27, drilling blade, 28, internal thread, 29, external thread, 30, threaded hole, 31, cover plate, 32, rotating block, 33, sampling inner cylinder, 34, transmission hydraulic rod, 35, transmission plate, 36, support rod, 37, linkage shaft, 38, linkage gear, 39, linkage rack, 40, elastic friction plate, 41, return spring, 42, clamping cam, 43, transmission groove, 44, placement groove, 45, spring groove, 46, baffle, 47, linkage groove, 48, limit block, 49, friction layer, 50, ring groove.

[0037] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below 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, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0039] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0040] like Figure 1 , Figure 2 As shown, the present invention proposes a geological survey sampling equipment, including a main support plate 1 and a plurality of support legs 2 at the lower part thereof, a center hole 3 is penetrated at the center of the main support plate 1, a drilling transmission assembly 4 is provided at the center hole 3 of the upper wall of the main support plate 1, a sampling protection drilling assembly 5 is slidably provided at the center hole 3 of the main support plate 1, a lifting assembly 6 is provided on the main support plate 1, a sampling release assembly 7 is provided on the lifting assembly 6, and an anti-drop sampling inner core 8 is provided on the sampling release assembly 7.

[0041] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the drilling transmission assembly 4 includes a transmission gear ring 9, a transmission gear 10, a transmission shaft 11 and a transmission motor 12. The transmission gear ring 9 is rotatably arranged at the center hole 3 of the main support plate 1, and the transmission gear 10 is arranged on the upper wall of the main support plate 1 through the transmission shaft 11. The transmission gear ring 9 is meshed with the transmission gear 10. The transmission motor 12 is arranged on the lower wall of the main support plate 1, and the transmission motor 12 is connected to the transmission shaft 11.

[0042] like Figure 1 , Figure 5 , Figure 6 As shown, the lifting assembly 6 includes a hydraulic lifting rod 13, a fixed ring 14, a support column 15, an upper support plate 16 and a movable plate 17. The support column 15 is symmetrically arranged on the upper wall of the main support plate 1, and the upper support plate 16 is arranged at the upper end of the support column 15. The hydraulic lifting rod 13 is arranged on the upper wall of the upper support plate 16. The movable end of the hydraulic lifting rod 13 passes through the upper support plate 16. The fixed ring 14 is arranged at the movable end of the hydraulic lifting rod 13. The movable plate 17 is rotatably arranged in the fixed ring 14. A lifting hole 18 is penetrated at the center hole 3 of the movable plate 17. A limiting groove 19 is arranged on the lower wall of the movable plate 17. The limiting groove 19 and the lifting hole 18 are concentric circles. A connecting bolt 20 is arranged on the upper wall of the movable plate 17 around the axis of the center hole 3.

[0043] like Figure 1 , Figure 5As shown, the sampling release assembly 7 includes a mounting frame 21, a rope reel 22 and a sling 23. The mounting frame 21 is arranged on the upper support plate 16. A through hole 24 is penetrated at the center of the upper support plate 16. The rope reel 22 is arranged on the mounting frame 21, and the sling 23 is wound around the rope reel 22.

[0044] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, the sampling protection drilling assembly 5 includes a mounting head 25, an outer drilling tube 26 and a drilling blade 27. The outer drilling tube 26 is a cylindrical structure with openings at both ends. The outer drilling tube 26 is slidably arranged in the center hole 3 on the main support plate 1. The mounting head 25 is an annular structure. The mounting head 25 is arranged at the lower end of the outer drilling tube 26. The inner wall of one end of the outer drilling tube 26 is provided with an internal thread 28, and the outer wall of the other end of the outer drilling tube 26 is provided with an external thread 29. Two adjacent outer drilling tubes 26 are connected by threads. The drilling blade 27 is arranged on the end face of the mounting head 25. The end face array where the internal thread 28 of the outer drilling tube 26 is located is provided with a threaded hole 30. The threaded hole 30 and the connecting bolt 20 are on the same circumference. The outer side wall of the end where the internal thread 28 of the outer drilling tube 26 is located is provided with an annular groove 50.

[0045] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 , Fig.15As shown, the anti-drop sampling inner core 8 includes a cover plate 31, a rotating block 32, a sampling inner cylinder 33, a transmission hydraulic rod 34, a transmission plate 35, a support rod 36, a linkage shaft 37, a linkage gear 38, a linkage rack 39, an elastic friction plate 40, a restoring spring 41 and a clamping cam 42. The cover plate 31 is arranged at the end of the suspension rope 23. The center of the cover plate 31 is rotatably provided with a rotating block 32. The suspension rope 23 is fixed on the rotating block 32. The sampling inner cylinder 33 is arranged on the lower end surface of the cover plate 31. The outer side wall of the lower end of the sampling inner cylinder 33 is provided with a transmission groove 43 in an array around the axial direction. The inner side wall array of the sampling inner cylinder 33 is provided with a placement groove 44, and the placement groove 44 is aligned with the transmission groove 43. The outer side wall array of the sampling inner cylinder 33 is provided with a spring groove 45, and the spring groove 45 is aligned with the transmission groove 43. The pressure rod 34 is arranged on the end surface of the placement groove 44, the transmission plate 35 is arranged on the movable end of the transmission hydraulic rod 34, the transmission plate 35 is slidably arranged in the transmission groove 43, the linkage rack 39 is arranged on the lower end surface of the transmission plate 35, the linkage shaft 37 is rotatably arranged on the inner side wall of the transmission groove 43, the linkage gear 38 is arranged on the linkage shaft 37, the linkage rack 39 is meshed with the linkage gear 38, one end of the support rod 36 is arranged on the linkage shaft 37, the support rod 36 is arranged on one side of the linkage gear 38, the clamping cam 42 is arranged on the linkage shaft 37, the clamping cam 42 is arranged on the other side of the linkage gear 38, the restoring spring 41 is arranged on the bottom wall of the spring groove 45, the elastic friction plate 40 is arranged on the end surface of the restoring spring 41, the elastic friction plate 40 is arranged in the spring groove 45 and extends to the lower end surface of the sampling inner cylinder 33.

[0046] like Figure 1 , Fig.16 As shown, the upper wall of the transmission gear ring 9 is provided with baffles 46 along the center line array, and the baffles 46 are rotatably arranged on the upper wall of the transmission gear ring 9 through an axis.

[0047] like Figure 1 , Figure 8 As shown, the inner diameter of the mounting head 25 is smaller than the inner diameter of the outer drilling tube 26 .

[0048] like Figure 1 , Figure 7 , Figure 8 , Fig.16 As shown, the outer wall of the outer drilling tube 26 is provided with a linkage groove 47 along the axial direction, and the inner wall of the transmission gear ring 9 is provided with a limit block 48, and the limit block 48 is slidably disposed in the linkage groove 47.

[0049] like Figure 1 , Figure 7 , Figure 8 As shown, a friction layer 49 is provided at the lower portion of the inner side wall of the outer drilling tube 26 connected to the mounting head 25 .

[0050] When in use, the support legs 2 are propped up at the sampling point, the main support plate 1 is kept horizontal, an outer drilling tube 26 is passed through the center hole 3 of the main support plate 1, the limit block 48 on the transmission gear ring 9 is aligned with the linkage groove 47 on the outer drilling tube 26, and then the mounting head 25 is connected to the lower end of the outer drilling tube 26, and then another outer drilling tube 26 is taken, and the two outer drilling tubes 26 are connected together by using the external thread 29 and the internal thread 28, so that the uppermost outer drilling tube 26 exceeds the upper end surface of the transmission gear ring 9, and then the hydraulic lifting rod 13 is adjusted, and the upper end of the uppermost outer drilling tube 26 is inserted into the limit groove 19 of the movable plate 17, and then the rope reel 22 is opened to release the lifting rope 23, and the sampling inner tube 33 passes through the lifting hole 1 under the action of gravity. 8 and enters the outer drilling tube 26 until the sampling inner tube 33 falls into the upper end of the mounting head 25, and the sampling inner tube 33 is blocked by the mounting head 25, and then the transmission hydraulic rod 34 is adjusted, the transmission hydraulic rod 34 extends downward, the transmission hydraulic rod 34 drives the transmission plate 35 and the linkage rack 39 to move downward, the linkage rack 39 drives the linkage gear 38 to rotate, the linkage gear 38 drives the linkage shaft 37 to rotate, the linkage shaft 37 drives the support rod 36 to enter the transmission groove 43, and at the same time the linkage shaft 37 drives the clamping cam 42 to rotate an angle, at this time the clamping cam 42 pushes the elastic friction plate 40 outward, and the elastic friction plate 40 is tightly pressed on the friction layer 49 of the outer drilling tube 26, so that the inner sampling tube and the outer drilling tube 26 are fixed together;

[0051] Then turn on the transmission motor 12, the transmission motor 12 drives the transmission shaft 11 to rotate, the transmission shaft 11 drives the transmission gear 10 to rotate, the transmission gear 10 drives the transmission gear ring 9 to rotate, the transmission gear ring 9 drives the outer drilling tube 26 to rotate, and then adjust the hydraulic lifting rod 13 to press down the fixed ring 14, the fixed ring 14 drives the movable plate 17 to move downward, and the movable plate 17 presses down the outer drilling tube 26, so that the outer drilling tube 26 is drilled at the sampling point, and the soil sample enters the sampling inner tube 33. After the first sampling is completed, adjust the transmission hydraulic rod 34 again, the transmission hydraulic rod 34 retracts upward, and the transmission hydraulic rod 34 drives The transmission plate 35 and the linkage rack 39 move upward, the linkage rack 39 drives the linkage gear 38 to rotate, the linkage gear 38 drives the linkage shaft 37 to reverse, the linkage shaft 37 drives the support plate to rotate out of the transmission groove 43, the support plate plays a role of supporting the soil sample at the bottom of the sampling inner cylinder 33 to prevent the soil sample from leaking out of the sampling inner cylinder 33, and at the same time the linkage shaft 37 drives the clamping cam 42 to rotate in the opposite direction, the clamping cam 42 is separated from the elastic friction, and the elastic friction plate 40 is pulled back to the spring groove 45 and the transmission groove 43 under the action of the restoring spring 41, so that the outer drilling cylinder 26 and the sampling inner cylinder 33 are in a separated state;

[0052] The rope reel 22 is controlled to reel in the lifting rope 23, and the lifting rope 23 pulls the cover plate 31 and the sampling inner cylinder 33 upward, and the sampling inner cylinder 33 is pulled out from the outer drilling cylinder 26, and then the soil sample of the first sampling is taken out from the sampling inner cylinder 33;

[0053] Then the hydraulic lifting rod 13 is controlled to shrink and rise, and another outer drilling tube 26 is taken, and it is connected to the upper end of the uppermost outer drilling tube 26 through the outer thread 29 and the inner thread 28, and then the hydraulic lifting rod 13 is controlled to extend and descend again, and the limit groove 19 of the movable plate 17 is aligned with the upper end of the outer drilling tube 26, and the movable plate 17 presses down the outer drilling tube 26, and then the above operation is repeated to take out the soil sample for the second sampling;

[0054] After the sampling is completed, the movable plate 17 is rotated to align the connecting bolt 20 on the movable plate 17 with the threaded hole 30, and the connecting bolt 20 is screwed into the threaded hole 30. The movable plate 17 is connected with the uppermost outer drilling tube 26, and the hydraulic lifting rod 13 is adjusted to rise. The hydraulic lifting rod 13 drives the fixing ring 14 and the movable plate 17 to rise, and the movable plate 17 drives the outer drilling tube 26 to rise, so that the annular groove 50 on the second outer drilling tube 26 at the upper part is aligned with the baffle 46, and then the baffle is rotated to make the baffle 46 stuck in the annular groove 50, and the uppermost outer drilling tube 26 is removed, and then the hydraulic lifting rod 13 is adjusted to descend again, so that the limiting groove 19 of the movable plate 17 is aligned with the upper end of the uppermost outer drilling tube 26 at this time, and the movable plate 17 is rotated to align the connecting bolt 20 on the movable plate 17 with the threaded hole 30 again, and the above operation is repeated to remove all the outer drilling tubes 26.

[0055] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0056] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

[0057] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A geological survey sampling device, comprising a main support plate (1) and a plurality of support legs (2) below the main support plate, characterized in that: A center hole (3) is provided through the center of the main support plate (1); a drilling transmission assembly (4) is provided at the center hole (3) of the upper wall of the main support plate (1); a sampling protection drilling assembly (5) is slidably provided at the center hole (3) of the main support plate (1); a lifting assembly (6) is provided on the main support plate (1); a sampling release assembly (7) is provided on the lifting assembly (6); and an anti-drop sampling inner core (8) is provided on the sampling release assembly (7); The lifting assembly (6) comprises a hydraulic lifting rod (13), a fixing ring (14), a support column (15), an upper support plate (16) and a movable plate (17), wherein the support column (15) is symmetrically arranged on the upper wall of the main support plate (1), the upper support plate (16) is arranged on the upper end of the support column (15), the hydraulic lifting rod (13) is arranged on the upper wall of the upper support plate (16), the movable end of the hydraulic lifting rod (13) passes through the upper support plate (16), the fixing ring (14) is arranged on the movable end of the hydraulic lifting rod (13), the movable plate (17) is rotatably arranged in the fixing ring (14), a lifting hole (18) is penetrated at the center hole (3) of the movable plate (17), a limiting groove (19) is arranged on the lower wall of the movable plate (17), the limiting groove (19) and the lifting hole (18) are concentric circles, and a connecting bolt (20) is arranged on the upper wall of the movable plate (17) around the axis of the center hole (3); The sampling release assembly (7) comprises a mounting frame (21), a rope reel (22) and a suspension rope (23); the mounting frame (21) is arranged on an upper support plate (16); a through hole (24) is provided at the center of the upper support plate (16); the rope reel (22) is arranged on the mounting frame (21); and the suspension rope (23) is wound around the rope reel (22); The anti-drop sampling inner core (8) comprises a cover plate (31), a rotating block (32), a sampling inner cylinder (33), a transmission hydraulic rod (34), a transmission plate (35), a support rod (36), a linkage shaft (37), a linkage gear (38), a linkage rack (39), an elastic friction plate (40), a return spring (41) and a clamping cam (42). The cover plate (31) is arranged at the end of the suspension rope (23). The center of the cover plate (31) is rotatably provided with a rotating block (32). The suspension rope (23) is provided with a rotating block (32). 3) is fixed on the rotating block (32), the sampling inner cylinder (33) is arranged on the lower end surface of the cover plate (31), the outer wall of the lower end of the sampling inner cylinder (33) is provided with a transmission groove (43) in an array around the axial direction, the inner wall of the sampling inner cylinder (33) is provided with a placement groove (44) in an array, the placement groove (44) is aligned with the transmission groove (43), the outer wall of the sampling inner cylinder (33) is provided with a spring groove (45) in an array, the spring groove (45) is aligned with the transmission groove (43), the transmission The hydraulic rod (34) is arranged on the end surface of the placement groove (44), the transmission plate (35) is arranged on the movable end of the transmission hydraulic rod (34), the transmission plate (35) is slidably arranged in the transmission groove (43), the linkage rack (39) is arranged on the lower end surface of the transmission plate (35), the linkage shaft (37) is rotatably arranged on the inner side wall of the transmission groove (43), the linkage gear (38) is arranged on the linkage shaft (37), the linkage rack (39) is meshed with the linkage gear (38), and the support rod (36) One end of the linkage shaft (37) is arranged on the linkage shaft (37), the support rod (36) is arranged on one side of the linkage gear (38), the clamping cam (42) is arranged on the linkage shaft (37), the clamping cam (42) is arranged on the other side of the linkage gear (38), the return spring (41) is arranged on the bottom wall of the spring groove (45), the elastic friction plate (40) is arranged on the end surface of the return spring (41), and the elastic friction plate (40) is arranged in the spring groove (45) and extends to the lower end surface of the sampling inner cylinder (33).

2. A geological survey sampling device according to claim 1, characterized in that: The drilling transmission assembly (4) comprises a transmission gear ring (9), a transmission gear (10), a transmission shaft (11) and a transmission motor (12); the transmission gear ring (9) is rotatably arranged at the center hole (3) of the main support plate (1); the transmission gear (10) is arranged on the upper wall of the main support plate (1) via the transmission shaft (11); the transmission gear ring (9) is meshed with the transmission gear (10); the transmission motor (12) is arranged on the lower wall of the main support plate (1); and the transmission motor (12) is connected to the transmission shaft (11).

3. A geological survey sampling device according to claim 2, characterized in that: The sampling protection drilling assembly (5) comprises a mounting head (25), an outer drilling tube (26) and a drilling blade (27); the outer drilling tube (26) is a cylindrical structure with openings at both ends; the outer drilling tube (26) is slidably arranged in a center hole (3) on the main support plate (1); the mounting head (25) is an annular structure; the mounting head (25) is arranged at the lower end of the outer drilling tube (26); an inner wall of one end of the outer drilling tube (26) is provided with an internal thread (28); The outer wall of the other end of the tube (26) is provided with an external thread (29), and two adjacent external drilling tubes (26) are connected by threads. The drilling blade (27) is arranged on the end surface of the mounting head (25), and the end surface array where the internal thread (28) of the external drilling tube (26) is located is provided with a threaded hole (30), and the threaded hole (30) and the connecting bolt (20) are located on the same circumference, and the outer side wall of the end where the internal thread (28) of the external drilling tube (26) is located is provided with an annular groove (50).

4. A geological survey sampling device according to claim 3, characterized in that: The upper wall of the transmission gear ring (9) is provided with baffles (46) along the center line array, and the baffles (46) are rotatably arranged on the upper wall of the transmission gear ring (9) via an axis.

5. A geological survey sampling device according to claim 4, characterized in that: The inner diameter of the mounting head (25) is smaller than the inner diameter of the outer drilling tube (26).

6. A geological survey sampling device according to claim 5, characterized in that: The outer wall of the outer drilling tube (26) is provided with a linkage groove (47) along the axial direction, and the inner wall of the transmission gear ring (9) is provided with a limit block (48), and the limit block (48) is slidably arranged in the linkage groove (47).

7. A geological survey sampling device according to claim 6, characterized in that: A friction layer (49) is provided at the lower portion of the inner side wall of an outer drilling tube (26) connected to the mounting head (25).

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