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CN-122016390-A - Layered sampling mineral geological investigation device

CN122016390ACN 122016390 ACN122016390 ACN 122016390ACN-122016390-A

Abstract

The invention discloses a layered sampling mineral geological exploration device, which relates to the technical field of geological exploration and comprises a connecting sliding frame, positioning structures symmetrically arranged on two sides of the connecting sliding frame and used for preliminary supporting and final anchoring and fixing when equipment is in place, a buffer butt joint structure arranged below the connecting sliding frame and used for buffering axial impact and stably transmitting drilling pressure in the drilling process, and a stretching sampling structure arranged on the connecting sliding frame and penetrating through the buffer butt joint structure and used for driving a sampling device to perform rotary drilling and axial feeding so as to obtain layered samples.

Inventors

  • ZHANG ZHENHUA
  • SHI HUILI
  • BAO MENGMENG
  • Guan Fangkai
  • DONG PEIJIE
  • LI FAN

Assignees

  • 山东省煤田地质局第三勘探队

Dates

Publication Date
20260512
Application Date
20260330

Claims (10)

  1. 1. A stratified sampling mineral geological survey device, comprising a connecting carriage (1), characterized in that it further comprises: the positioning structures (3) are symmetrically arranged at two sides of the connecting sliding frame (1) and are used for preliminary support and final anchoring fixation when the equipment is in place; The buffer butt joint structure (2) is arranged below the connecting sliding frame (1) and is used for buffering axial impact and stably transmitting drilling pressure in the drilling process; The stretching sampling structure (6) is arranged on the connecting sliding frame (1) and penetrates through the buffer butt joint structure (2) and is used for driving the sampling device to perform rotary drilling and axial feeding so as to obtain a layered sample; the stretching and sampling structure (6) comprises a transmission rotary table (61), the transmission rotary table (61) is arranged above the connection sliding frame (1), a transmission slot (62) is formed in the outer wall of the transmission rotary table (61), a plurality of sections of stretching components (63) are arranged at the bottom end of the transmission rotary table (61), and a drill bit sampling component (64) is arranged at the bottom end of the plurality of sections of stretching components (63).
  2. 2. The stratified sampling mineral geological survey device of claim 1, wherein the multi-section stretching member (63) comprises a rotating plate (631), the rotating plate (631) is fixedly connected to the bottom end of the transmission turntable (61), the bottom end of the transmission turntable (61) is fixedly connected with an arc plate (6310), the transmission turntable (61) is fixedly connected with a rotary drum (632) through the arc plate (6310), the outer wall of the rotary drum (632) is rotationally connected with a driving toothed ring (633), the inner wall of the driving toothed ring (633) is meshed with a transmission gear (634), the transmission gear (634) is rotationally connected to the outer wall of the rotary drum (632), the outer wall of the transmission gear (634) is meshed with a driving gear (635), the bottom end of the driving gear (635) is fixedly connected with an adjusting screw (636), the adjusting screw (636) is rotationally connected to the inner wall of the rotary drum (632), the outer wall of the adjusting screw (636) is in threaded connection with a stretching screw drum (637), the outer wall of the stretching screw drum (637) is provided with a rectangular stretching chute A, the outer wall of the stretching screw drum (638) is connected with a linear chute B, the device is used for limiting linear sliding of the stretching screw groove cylinder (638) on the inner wall of the stretching screw cylinder (637), and a butt joint screw plate (639) is fixedly connected to the bottom end of the stretching screw groove cylinder (638).
  3. 3. The stratified sampling mineral geological survey device of claim 1, wherein the bit sampling component (64) comprises a sampling bit (641), the sampling bit (641) is in threaded connection with the outer wall of a butt joint screw hole plate (639), a butt joint screw groove (642) is formed in the outer wall of the sampling bit (641), a butt joint sampling head (643) is in threaded connection with the outer wall of the butt joint screw groove (642), one end of the butt joint sampling head (643) is fixedly connected with a hydraulic control valve (644), the outer wall of the butt joint sampling head (643) is in threaded connection with a butt joint rotary head (645), the other end of the butt joint rotary head (645) is fixedly connected with a sampling pipe (646), and the inner wall of the sampling pipe (646) is in sliding connection with a sample pushing rod (647).
  4. 4. The stratified sampling mineral geological survey device according to claim 1, wherein the buffering butt joint structure (2) comprises a butt joint fixing seat (21), the butt joint fixing seat (21) is fixedly connected to the bottom end of the connecting sliding frame (1) through bolts, a butt joint groove (22) is formed in the outer wall of the butt joint fixing seat (21), a butt joint hole (23) is formed in the outer wall of the butt joint fixing seat (21), a limiting block (24) is fixedly connected to the bottom end of the butt joint fixing seat (21), and a buffering part (25) is arranged on the outer wall of the limiting block (24).
  5. 5. The stratified sampling mineral geological survey device according to claim 4, wherein the buffer component (25) comprises a groove seat (255), the groove seat (255) is fixedly connected to the bottom end of the butt-joint fixing seat (21) through a bolt and by means of a butt joint hole (23), a damping sliding rod (254) is fixedly connected to the bottom end of the groove seat (255), a sliding groove plate (252) is slidably connected to the outer wall of the damping sliding rod (254), an anti-collision block (253) is fixedly connected to the inner wall of the sliding groove plate (252), a damping seat (251) is fixedly connected to the bottom end of the sliding groove plate (252), a buffer spring (258) is abutted to the top end of the damping seat (251), a transmission plate (257) is abutted to the other end of the buffer spring (258), a screw rod (256) is fixedly connected to the other end of the transmission plate (257), and an adjusting nut (259) is connected to the outer wall of the screw rod (256).
  6. 6. The stratified sampling mineral geological survey device according to claim 1, wherein the positioning structure (3) comprises a butt joint frame (31), the butt joint frame (31) is fixedly connected to the inner wall of the butt joint groove (22), an adjusting groove pipe (32) is fixedly connected to the outer wall of the butt joint frame (31), an adjusting hole is formed in the outer wall of the adjusting groove pipe (32), a positioning bolt (33) is connected to the inner wall of the adjusting hole in a threaded mode, a positioning plate (34) is fixedly connected to the adjusting groove pipe (32) through the adjusting hole and the positioning bolt (33), a supporting leg cylinder (35) is fixedly connected to the outer wall of the positioning plate (34), a limiting sliding frame (36) is fixedly connected to the top end of the butt joint frame (31), a limiting screw rod column (39) is fixedly connected to the outer wall of the limiting sliding frame (36), a positioning ring (37) is fixedly connected to the outer wall of the limiting sliding frame (36), and a positioning lower drilling component (38) is arranged on the outer wall of the limiting sliding frame (36).
  7. 7. The stratified sampling mineral geological survey device of claim 6, wherein the positioning and drilling component (38) comprises a driving box (381), one end of the driving box (381) is fixedly connected with a spiral groove sliding frame (384) through a bolt, the spiral groove sliding frame (384) is slidably connected to the outer wall of the limit sliding frame (36), the spiral groove sliding frame (384) is in threaded connection with the outer wall of the limit screw column (39), the top end of the driving box (381) is fixedly connected with a servo motor (382), the bottom end of the servo motor (382) is fixedly connected with a connecting rotating shaft (383) through a coupler, the outer wall of the connecting rotating shaft (383) is fixedly connected with a spiral drill bit (388) through a bolt, the outer wall of the connecting rotating shaft (383) is fixedly connected with a transmission bevel gear (385), the transmission bevel gear (385) is rotatably connected to the inner wall of the driving box (381), a worm (386) is meshed with the outer wall of the transmission bevel gear (385), the worm gear (386) is rotatably connected to the inner wall of the spiral groove sliding frame (39), the worm gear (386) is meshed with the worm wheel (383), and the outer wall (387) is rotatably connected with the screw column (387).
  8. 8. The stratified sampling mineral geological investigation device of claim 1, wherein the outer wall of the connecting carriage (1) is fixedly connected with a multistage hydraulic cylinder (4), and the bottom end of the multistage hydraulic cylinder (4) is fixedly connected with a sliding seat (5).
  9. 9. The stratified sampling mineral geological survey device of claim 8, wherein the outer wall of the sliding seat (5) is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a double-shaft motor (7), a top end output shaft of the double-shaft motor (7) is fixedly connected with a driving synchronous wheel (8) through a coupling, the outer wall of the driving synchronous wheel (8) is meshed with a synchronous belt B (13), the outer wall of the sliding seat (5) is rotatably connected with a driving shaft (10), the top end of the driving shaft (10) is fixedly connected with a transmission synchronous wheel (9), and the transmission synchronous wheel (9) is connected with the driving synchronous wheel (8) through the synchronous belt B (13).
  10. 10. The stratified sampling mineral geological survey device of claim 9, wherein the bottom end of the driving shaft (10) is fixedly connected with a driven synchronizing wheel (11), a synchronizing belt A (12) is meshed with the outer wall of the driven synchronizing wheel (11), and the driven synchronizing wheel (11) is connected with a driving toothed ring (633) through the synchronizing belt A (12).

Description

Layered sampling mineral geological investigation device Technical Field The invention relates to the technical field of geological exploration, in particular to a layered sampling mineral geological exploration device. Background In the field of mineral geological exploration, stratified sampling is a core link for acquiring mineral distribution information of different strata, and although the prior art has realized a basic sampling function, the prior art still has obvious limitations in the aspects of stretching feeding precision, sample integrity and working condition adaptability. The CN115839864A disclosed in the patent collection adopts a built-in sampling spoon structure of a drill rod, samples are recovered through a pushing head, drilling and sampling are synchronously carried out, but a sampling mechanism can only stretch and retract once along the axial direction of the drill rod, multistage accurate feeding cannot be realized, layering sampling requirements of stratum with different thickness are difficult to adapt, the samples are easy to remain and mix in the drill rod, purity and integrity of layering samples cannot be guaranteed, meanwhile, an independent buffering and positioning anchoring structure is not arranged, drill bit damage is easy to be caused due to impact overload during drilling of complex hard stratum, and equipment stability is insufficient. In addition, the device does not design a buffer protection mechanism aiming at the sampling process, axial impact is easily transmitted to a core transmission part, long-term operation is easy to cause structural fatigue failure, sample discharging depends on manual operation, the efficiency is low, and the original state of a sample is easily damaged. The rock-soil sampling device of CN216449226U adopts a waist-shaped groove collecting hole-entering structure, while optimizing a sample collecting channel, a sampling assembly can only synchronously feed along with a drill bit, the sampling depth and layering nodes cannot be independently controlled, and accurate layering sampling is difficult to realize. To sum up, the existing stratified sampling device generally has the problems of insufficient stretching feeding precision, easy mixing of samples, buffer and positioning protection deficiency and the like, and cannot meet the requirements of efficient, accurate and complete stratified sampling under complex geological conditions, so that a novel mineral geological investigation device capable of realizing multistage accurate expansion and contraction, synchronous rotary drilling, sealed discharging of samples and having reliable buffer and positioning anchoring functions is needed. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a layered sampling mineral geological investigation device, which solves the problems of the prior art. In order to achieve the purpose, the invention is realized by the following technical scheme that the stratified sampling mineral geological survey device comprises a connecting sliding frame and further comprises: The positioning structures are symmetrically arranged on two sides of the connecting sliding frame and used for preliminary support and final anchoring fixation when the equipment is in place; the buffer butt joint structure is arranged below the connecting sliding frame and is used for buffering axial impact and stably transmitting the bit pressure in the drilling process; the stretching sampling structure is arranged on the connecting sliding frame and penetrates through the buffer butt joint structure and is used for driving the sampling device to perform rotary drilling and axial feeding so as to obtain a layered sample; The stretching and sampling structure comprises a transmission turntable, the transmission turntable is arranged above the connection sliding frame, a transmission slot is formed in the outer wall of the transmission turntable, a plurality of sections of stretching components are arranged at the bottom end of the transmission turntable, and a drill bit sampling component is arranged at the bottom end of the plurality of sections of stretching components. Preferably, the multistage stretching component comprises a rotating plate, the rotating plate is fixedly connected with the bottom of a transmission turntable, the bottom fixedly connected with arc of the transmission turntable is fixedly connected with a rotary drum through the arc, the outer wall of the rotary drum is rotationally connected with a driving toothed ring, the inner wall of the driving toothed ring is meshed with a transmission gear, the transmission gear is rotationally connected with the outer wall of the rotary drum, the outer wall of the transmission gear is meshed with a driving gear, the bottom of the driving gear is fixedly connected with an adjusting screw, the adjusting screw is rotationally connected with the inner wall of the rotary drum, an outer wall threaded