Geological mineral exploration sampling device

Abstract

The invention relates to the technical field of sampling devices, in particular to a geological mineral exploration sampling device. A geological mineral exploration sampling device comprises a liftable feeding table and a feeding arm passing through a rotating motor, a drill pipe driving and clamping component is installed on the feeding table, a main drill pipe is installed on the drill pipe driving and clamping component, a set of splicing pipes which can be sequentially connected in a threaded mode are installed on the upper portion of the main drill pipe in a threaded mode, a sampling drill bit is fixedly installed at the bottom end of the main drill pipe, a sampling flow channel with the two ends open is fixedly formed in the sampling drill bit, and a linear transmission module is installed on the feeding arm. The device has the beneficial effects that when the device works, on one hand, multi-depth, large-depth and variable-depth sampling can be carried out, on the other hand, segmented cutting and segmented hoisting of a whole section of sample core can be realized on line during rock core sampling, and meanwhile, when the sample core is moved out, the sampling efficiency is greatly improved. And the segmentation and anti-adhesion effects of every two sample cores can be improved in a differential rotating twist-off manner.

Description

Technical Field

[0001] The invention relates to the technical field of sampling devices, in particular to a geological and mineral exploration sampling device. Background Art

[0002] In the prior art, a patent document with publication number CN219675517U discloses a geological mineral exploration sampling mechanism, including a platform, a column is fixedly connected to the lower side of the platform, a sampling mechanism is arranged on the lower side of the platform, the sampling mechanism includes a connecting plate fixedly connected to the upper side of the platform, a first motor is fixedly connected to the lower side of the connecting plate, the output shaft of the first motor is fixedly connected to a threaded rod through a coupling, a mounting groove is opened on the upper side of the platform, and a sleeve is slidably connected to the platform inside the mounting groove. The above device makes it difficult for the sample to leak out, so that the sampling efficiency of the sample is improved. The effect is better, but the above-mentioned sampling device is not convenient for multi-depth, large depth and variable depth sampling when sampling, and is not convenient for online segmented cutting and segmented lifting of the entire sample core when sampling the rock core. At the same time, the existing device cannot effectively improve the segmentation and anti-adhesion effect of the two sample cores when the sample core is removed, and the existing sampling device cannot automatically realize the splicing, lifting and loading of the drill pipe when sampling, which leads to the sampling efficiency and layout efficiency of the sampling device being relatively limited. Based on the existing device, the present invention provides a geological and mineral exploration sampling device to solve the problems raised in the above-mentioned background technology. Summary of the invention

[0003] The present invention aims at the technical problems existing in the prior art and provides a geological and mineral exploration sampling device to solve the problems that the prior sampling devices are not convenient for multi-depth, large-depth and variable-depth sampling when sampling, and are not convenient for online segmented cutting and segmented lifting of the entire sample core when sampling the rock core. At the same time, the prior devices cannot effectively improve the segmentation and anti-adhesion effects of the two sample cores when the sample cores are removed, and the prior sampling devices cannot automatically realize the splicing, lifting and loading of drill pipes when sampling.

[0004] The technical solution of the present invention to solve the above technical problems is as follows: a geological and mineral exploration sampling device, comprising a liftable feed platform and a loading arm through a rotating motor, the feed platform is equipped with a drill pipe driving and clamping component, the drill pipe driving and clamping component is equipped with a main drill pipe, the upper part of the main drill pipe is threadedly installed with a group of spliced ​​pipes that can be threadedly connected in sequence, the bottom end of the main drill pipe is fixedly installed with a sampling drill bit, the interior of the sampling drill bit is fixedly provided with a sampling flow channel with two ends opened, a linear transmission module is installed on the loading arm, the linear transmission module is transmission-connected with the loading platform, and the loading platform is equipped with a loading Auxiliary components, the feeding auxiliary component is connected with a sampling rack, the lower part of the sampling rack is rotatably connected with a sampling rotary cylinder driven by a differential motor, the inner wall of the sampling rotary cylinder is installed with an annular inner clamping capsule, the inner wall of the sampling rotary cylinder and the position corresponding to the bottom of the annular inner clamping capsule are installed with a group of cutting nozzles distributed in a circular array, the outer periphery of the sampling rack and the position corresponding to the top of the annular inner clamping capsule are installed with an outer clamping capsule, the sampling rack is respectively installed with an air pump and a weighted corrugated rubber cylinder with adjustable weight mass, the ports of the air pump are respectively connected with the inner cavities of the outer clamping capsule and the annular inner clamping capsule, and the cutting nozzle is injected with high pressure through the feeding auxiliary component.

[0005] The beneficial effects of the present invention are: 1. When the present invention is working, on the one hand, it can carry out multi-depth, large-depth and variable-depth sampling. On the other hand, the device can realize the segmented cutting and segmented lifting of the whole sample core online when sampling the core. At the same time, when the sample core is removed, the device can also improve the segmentation and anti-adhesion effect of the two sample cores through the differential rotation and twisting method. In addition, the sampling device can also automatically realize the splicing, lifting and loading of the drill pipe when sampling.

[0006] 2. In the present invention, when it is necessary to remove the drilled sample core from the inside of the main drill pipe and the spliced ​​pipe online, first, the gas inside the annular inner clamping bag in the sample dividing drum is fully emptied, and then the sample dividing drum moves to the inside of the main drill pipe and fits with the inner bottom surface of the main drill pipe. After fitting, the interior of the annular inner clamping bag is fully pressurized, and then the clamping and wrapping clamping of the sample core drilled by the sampling drill bit are completed. Moreover, through the wrapping clamping of the annular inner clamping bag, the synchronous clamping of multiple sections of sample cores or broken cores in the sample core during the drilling process can be achieved, thereby effectively improving the sample core grasping and clamping range applicable to the device. After the annular inner clamping bag clamps the sample core, the cutting nozzle discharges high-pressure liquid, and then the cutting and segmented lifting of the entire section of the sample core are achieved through the high-pressure water flow. Through the realization of the cutting function, the segmented cutting and removal of the sample core are facilitated, and after the set cutting time, the sample dividing drum rotates at a set speed, thereby improving the cutting and separation efficiency of the drilled sample core and the segmented anti-adhesion effect of the sample core.

[0007] 3. In the present invention, when it is necessary to lift and load the spliced ​​tube from the material stacking area on the load platform and move the loaded spliced ​​tube to a coaxial position with the impact tube, the rotation angle of the loading arm and the position setting of the loading platform on the loading arm are adjusted, so that the sampling frame is finally set coaxially with the spliced ​​tube to be hoisted on the material stacking area. Subsequently, the sampling frame penetrates into the spliced ​​tube to be loaded and lifted. After the sampling frame penetrates into the spliced ​​tube, the outer clamping bag is inflated to complete the clamping and relative fixation of the spliced ​​tube by the sampling frame. Subsequently, by controlling the angle of the loading arm and the position control of the loading platform, the loaded spliced ​​tube is set coaxially with the impact tube, and then the loading and fixation of the spliced ​​tube on the impact tube is completed, so that the sampling device has the functions of automatic loading and automatic splicing of the sampling drill pipe.

[0008] 4. In the present invention, the inner diameter ratio of the sampling flow channel and the splicing tube is set so that the sample core drilled by the sampling drill bit can be smaller than the inner diameter of the sampling flow channel. The specification ratio of the sampling core and the sampling flow channel is set so that the sampling rotary cylinder can separate and clamp the sample core sampled by the sampling flow channel, thereby facilitating the removal of the sampling core from the inner cavity of the main drill tube and the splicing tube.

[0009] Based on the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, it also includes a load platform, on which a stacking area for splicing pipes is fixedly arranged, a drilling frame is hinged on the load platform, the loading arm is rotatably sleeved on the drilling frame, a group of electric push rods are hinged between the load platform and the drilling frame, a screw lifting module is installed on the drilling frame, the screw lifting module is transmission-connected to the feed platform, and the feed platform is slidably connected to the drilling frame.

[0011] The beneficial effect of adopting the above further scheme is that, when in use, the sampling angle of the sampling device is adjusted by setting the electric push rod and the articulated structure of the feed platform and the load platform, and the stacking and synchronous transportation of the spliced ​​pipes to be installed are facilitated by setting the stacking pipe area; Furthermore, a group of diamond crushing teeth distributed in a circular array are installed on the outer circumference of the sampling drill bit, each of the diamond crushing teeth is connected to the main drill pipe, and the diamond crushing teeth are arranged at a 45° inclination on the outer circumference of the sampling drill bit. A group of drill teeth distributed in a circular array are installed on the bottom end of the sampling drill bit, and the outer tops of the main drill pipe and the splicing pipe are provided with threaded connection parts, and the inner bottom of the splicing pipe is provided with threads that cooperate with the threads of the threaded connection parts.

[0012] The beneficial effect of adopting the above further scheme is that during the sampling operation, the sampling drill bit is used to dig into the interior of the geological mineral, and the diamond crushing teeth are set to crush the excess rock outside the sampling drill bit, so as to facilitate the sampling and digging of the sampling drill bit; Through the threaded connection part and the thread setting on the splicing tube, it is convenient to splice and fix the splicing tubes in pairs and to splice and fix the main drill pipe and the adjacent splicing tubes as a whole. By realizing the splicing effect of the splicing tubes in pairs, the exploration and sampling device can perform multi-depth, large depth and variable depth sampling in the geological and mineral exploration area.

[0013] Furthermore, the drill pipe driving and clamping components include a DC motor installed on the feed table, a solid shaft fixedly installed on the output shaft end of the DC motor, an impact table slidably connected to the feed table, a hollow shaft rotatably connected to the impact table and a support shaft rotatably connected to the feed table, the interior of the hollow shaft is fixedly provided with a through groove with openings at both ends and slidably connected to the solid shaft, the cross-sections of the through groove and the solid shaft are both regular polygons, an impact cylinder is rotatably installed on the impact table, the hollow shaft is transmission-connected to the impact cylinder through an annular toothed belt, an eccentric protrusion is installed on the support shaft, an impact wheel is rotatably connected to the impact table, the impact wheel is adaptably connected to the eccentric protrusion, a group of return springs limited by the feed table are installed on the bottom surface of the impact table, and a drill pipe clamping module is installed on the impact table.

[0014] Furthermore, the drill pipe clamping module includes a pressure clamp, a voltage rod is installed between the pressure clamp and the impact platform, the inner wall of the pressure clamp is rotatably connected to a driven rotating ring, the bottom surface of the driven rotating ring is hinged with a group of wedge-shaped calipers distributed in a circular array, and the inner top of the impact cylinder is fixedly provided with a guide clamp cone surface that cooperates with the wedge-shaped caliper.

[0015] The beneficial effect of adopting the above further scheme is that when drilling operations are carried out, the DC motor outputs the speed at a set power. After the DC motor outputs the speed, the impact table, the reset spring, the eccentric protrusion and the impact wheel are set, so that the impact table can reciprocate within the set stroke, and then the impact tube can drive the main drill pipe and the spliced ​​pipe to rotate and impact synchronously, thereby effectively improving the sampling efficiency and sampling intensity of the sampling drill bit in the geological and mineral exploration area.

[0016] Furthermore, the inner diameter of the sampling flow channel is 0.5-0.65 times the inner diameter of the splicing tube, the outer diameter and inner diameter of the main drill pipe and the splicing tube are the same, the impact tube is a hollow cylindrical structure with openings at both ends, and the inner diameter of the impact tube is 1.2-1.4 times the outer diameter of the splicing tube.

[0017] Furthermore, the cross section of the sampling rack is circular, the maximum widths of the sampling rack and the sample dividing rotary cylinder are both 0.8 to 0.9 times the inner diameter of the spliced ​​tube, and the bottom end of the sample dividing rotary cylinder is open.

[0018] The beneficial effect of adopting the above-mentioned further scheme is that by setting the inner diameter ratio of the sampling flow channel and the splicing tube, the sample core drilled by the sampling drill bit can be smaller than the inner diameter of the sampling flow channel, and by setting the specification ratio of the sampling core and the sampling flow channel, the sampling dividing drum can separate and clamp the sample core sampled by the sampling flow channel, thereby facilitating the removal of the sampling core from the inner cavity of the main drill tube and the splicing tube.

[0019] Furthermore, the interior of the sample dividing rotor is provided with an air guide ring cavity and a liquid guide ring cavity which are isolated from each other, the air outlet port of the air pump and the inner cavity of the annular inner clamp capsule are both adapted to be connected with the air guide ring cavity, each of the cutting nozzles is connected with the liquid guide ring cavity, and the axis of the cutting nozzle is perpendicular to the axis of the sample dividing rotor.

[0020] Furthermore, an electromagnetic air valve and an air pressure probe are provided at the connection points between the air pump, the outer clamping bag and the air guide ring cavity.

[0021] The beneficial effect of adopting the above further scheme is that when it is necessary to lift and load the spliced ​​tube from the material stacking area on the load platform and move the loaded spliced ​​tube to a coaxial position with the impact tube, by adjusting the rotation angle of the loading arm and the position setting of the loading platform on the loading arm, the sampling frame is finally set coaxially with the spliced ​​tube to be hoisted on the material stacking area. Subsequently, the sampling frame penetrates into the spliced ​​tube to be loaded and lifted. After the sampling frame penetrates into the spliced ​​tube, the outer clamping bag is inflated to complete the clamping and relative fixation of the spliced ​​tube by the sampling frame. Subsequently, by controlling the angle of the loading arm and the position control of the loading platform, the loaded spliced ​​tube is set coaxially with the impact tube, and then the loading and fixation of the spliced ​​tube on the impact tube is completed, so that the sampling device has the functions of automatic loading and automatic splicing of the sampling drill pipe.

[0022] Furthermore, the feeding auxiliary component includes a hanging roller rotatably connected to the feeding platform and a counterweight box installed on the load platform. A worm motor is installed on the feeding platform, and the output shaft end of the worm motor is transmission-connected to the hanging roller through a chain belt. The interior of the hanging roller is provided with a high-pressure spray chamber and a liquid delivery chamber isolated from each other, and the interior of the counterweight box is fixedly provided with a liquid storage chamber. A high-pressure pump and a pump body are respectively installed on the counterweight box, and the liquid suction ends of the high-pressure pump and the pump body are both connected to the liquid storage chamber. The liquid outlet port of the high-pressure pump is connected to a high-pressure soft nozzle, and the other end of the high-pressure soft nozzle is connected to the high-pressure spray chamber. The liquid outlet port of the pump body is connected to a liquid delivery hose, and the other end of the liquid delivery hose is connected to the liquid storage chamber. A first reel and a second reel are respectively wound on the hanging roller, and the high-pressure spray chamber is connected to the liquid guide ring chamber through the first reel, and the liquid delivery chamber is connected to the inner cavity of the counterweight corrugated rubber cylinder through the second reel.

[0023] The beneficial effect of adopting the above-mentioned further scheme is that when it is necessary to remove the drilled sample core from the inside of the main drill pipe and the splicing pipe online, first, the gas inside the annular inner clamping bag in the sample dividing drum is fully emptied, and then the sample dividing drum moves to the inside of the main drill pipe and fits with the inner bottom surface of the main drill pipe. After fitting, the interior of the annular inner clamping bag is fully pressurized, and then the clamping and wrapping clamping of the sample core drilled by the sampling drill bit are completed. Moreover, through the wrapping clamping of the annular inner clamping bag, the synchronous clamping of multiple sections of sample cores or broken cores in the sample core can be achieved during the drilling process, thereby effectively improving the sample core grasping and clamping range applicable to the device. After the annular inner clamping bag clamps the sample core, the cutting nozzle discharges high-pressure liquid, and then the cutting and segmented lifting of the entire sample core are achieved through the high-pressure water flow. Through the realization of the cutting function, the segmented cutting and removal of the sample core are facilitated, and after the set cutting time, the sample dividing drum rotates at a set speed, thereby improving the cutting and separation efficiency of the drilled sample core and the segmented anti-adhesion effect of the sample core. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a geological and mineral exploration sampling device of the present invention; Figure 2 For the present invention Figure 1 A schematic diagram of the structure from another perspective; Figure 3 It is a structural schematic diagram of the feeding platform and the DC motor of the present invention; Figure 4 It is a schematic diagram of the cross-sectional structure of the spliced ​​pipe and the main drill pipe of the present invention; Figure 5 For the present invention Figure 4 A schematic diagram of the local enlarged structure at point A in the middle; Figure 6 It is a structural schematic diagram of the DC motor and the solid shaft of the present invention; Figure 7 It is a schematic diagram of the structure of the sampling rack and the differential motor of the present invention; Figure 8 It is a schematic cross-sectional structure diagram of the annular inner clip capsule and the differential motor of the present invention; Fig. 9 For the present invention Figure 8 A schematic diagram of the local enlarged structure at B in the middle; Fig.10 For the present invention Figure 8 A schematic diagram of the local enlarged structure at C in the middle; Fig.11 It is a schematic diagram of the structure of the main drill pipe and the sampling drill bit of the present invention.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Feeding table; 2. Rotating motor; 3. Loading arm; 4. Main drill pipe; 5. Splicing pipe; 6. Sampling drill bit; 7. Sampling flow channel; 8. Linear transmission module; 9. Loading table; 10. Sampling rack; 11. Differential motor; 12. Sampling rotary cylinder; 13. Annular inner clamping capsule; 14. Cutting nozzle; 15. Outer clamping capsule; 16. Air pump; 17. Counterweight corrugated rubber cylinder; 18. Load platform; 19. Drilling rack; 20. Electric push rod; 21. Screw lifting module; 22. Diamond crushing teeth; 23. DC machine; 24, solid shaft; 25, impact table; 26, hollow shaft; 27, support shaft; 28, impact cylinder; 29, eccentric convex block; 30, impact wheel; 31, reset spring; 32, pressure clamp; 33, voltage rod; 34, driven rotating ring; 35, wedge caliper; 36, air guide ring cavity; 37, liquid guide ring cavity; 38, hanging roller; 39, counterweight box; 40, worm motor; 41, high-pressure pump; 42, pump body; 43, high-pressure soft nozzle; 44, liquid delivery hose; 45, first reel; 46, second reel. DETAILED DESCRIPTION

[0026] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0027] The present invention provides the following preferred embodiments like Figure 1-11 As shown, a geological and mineral exploration sampling device comprises a liftable feeding table 1 and a loading arm 3 driven by a rotating motor 2; It also includes a load platform 18, on which a stacking area for stacking the spliced ​​pipes 5 is fixedly arranged, a drilling frame 19 is hinged on the load platform 18, a loading arm 3 is rotatably sleeved on the drilling frame 19, a group of electric push rods 20 are hinged between the load platform 18 and the drilling frame 19, a screw lifting module 21 is installed on the drilling frame 19, the screw lifting module 21 is transmission-connected to the feed platform 1, and the feed platform 1 is slidably connected to the drilling frame 19.

[0028] When in use, the electric push rod 20 and the hinged structure of the feed platform 1 and the load platform 18 are arranged to facilitate the adjustment of the sampling angle of the sampling device, and the arrangement of the pipe stacking area facilitates the stacking and synchronous transportation of the pipes 5 to be installed; A drill pipe driving and clamping component is installed on the feed table 1, and a main drill pipe 4 is installed on the drill pipe driving and clamping component. A group of splicing pipes 5 that can be threadedly connected in sequence are installed on the upper thread of the main drill pipe 4. A sampling drill bit 6 is fixedly installed at the bottom end of the main drill pipe 4. A sampling flow channel 7 with openings at both ends is fixedly opened inside the sampling drill bit 6. The inner diameter of the sampling flow channel 7 is 0.5 times the inner diameter of the splicing tube 5. The outer diameter and inner diameter of the main drill pipe 4 and the splicing tube 5 are the same. A group of diamond crushing teeth 22 distributed in a circular array are installed on the outer circumference of the sampling drill bit 6, each diamond crushing tooth 22 is connected to the main drill pipe 4, and the diamond crushing teeth 22 are arranged at a 45° inclination on the outer circumference of the sampling drill bit 6. A group of drill teeth distributed in a circular array are installed on the bottom end of the sampling drill bit 6. The outer tops of the main drill pipe 4 and the splicing pipe 5 are provided with threaded connection parts, and the inner bottom of the splicing pipe 5 is provided with threads that cooperate with the threads of the threaded connection parts.

[0029] During sampling operation, the sampling drill bit 6 is used to dig into the interior of the geological mineral. Through the setting of the diamond crushing teeth 22, the excess rock outside the sampling drill bit 6 is crushed to facilitate the sampling and digging of the sampling drill bit 6; Through the threaded connection part and the thread setting on the splicing tube 5, it is convenient to splice and fix the splicing tubes 5 in pairs and to splice and fix and connect the main drill pipe 4 and the adjacent splicing tubes 5 into one. By realizing the splicing effect of the splicing tubes 5 in pairs, the exploration and sampling device can perform multi-depth, large depth and variable depth sampling in the geological and mineral exploration area.

[0030] The drill pipe driving and clamping components include a DC motor 23 mounted on the feed table 1, a solid shaft 24 fixedly mounted on the output shaft end of the DC motor 23, an impact table 25 slidably connected to the feed table 1, a hollow shaft 26 rotatably connected to the impact table 25, and a support shaft 27 rotatably connected to the feed table 1. A through groove with openings at both ends and slidably connected to the solid shaft 24 is fixedly provided inside the hollow shaft 26. The cross sections of the through groove and the solid shaft 24 are both regular polygons. An impact cylinder 28 is rotatably mounted on the impact table 25. The impact cylinder 28 is a hollow cylindrical structure with two ends open. The inner diameter of the impact cylinder 28 is 1.2 times the outer diameter of the splicing tube 5. The hollow shaft 26 is transmission-connected to the impact cylinder 28 through an annular toothed belt, an eccentric protrusion 29 is installed on the support shaft 27, an impact wheel 30 is rotatably connected to the impact platform 25, the impact wheel 30 is adaptively connected to the eccentric protrusion 29, a group of return springs 31 limited by the feed platform 1 are installed on the bottom surface of the impact platform 25, and a drill pipe clamping module is installed on the impact platform 25.

[0031] The drill pipe clamping module includes a pressure clamp 32, a voltage rod 33 is installed between the pressure clamp 32 and the impact platform 25, the inner wall of the pressure clamp 32 is rotatably connected to a driven rotating ring 34, the bottom surface of the driven rotating ring 34 is hinged with a group of wedge-shaped clamps 35 distributed in a circular array, and the inner top of the impact cylinder 28 is fixedly provided with a guide clamp cone surface that cooperates with the wedge-shaped clamp 35.

[0032] When drilling operation is carried out, the DC motor 23 outputs the speed at the set power. After the DC motor 23 outputs the speed, the impact table 25 can reciprocate within the set stroke through the setting of the impact table 25, the return spring 31, the eccentric protrusion 29 and the impact wheel 30, and then the impact cylinder 28 can drive the main drill pipe 4 and the spliced ​​pipe 5 to rotate and impact synchronously, thereby effectively improving the sampling efficiency and sampling intensity of the sampling drill bit 6 in the geological and mineral exploration area.

[0033] A linear transmission module 8 is installed on the loading arm 3, and a loading platform 9 is connected to the linear transmission module 8, and a loading auxiliary component is installed on the loading platform 9, and a sampling rack 10 is connected to the loading auxiliary component; The cross section of the sampling rack 10 is circular, and the maximum width of the sampling rack 10 and the sample dividing cylinder 12 are both 0.9 times the inner diameter of the splicing tube 5; By setting the inner diameter ratio of the sampling flow channel 7 and the splicing tube 5, the sample core drilled by the sampling drill bit 6 can be smaller than the inner diameter of the sampling flow channel 7. By setting the specification ratio of the sampling core and the sampling flow channel 7, the sample separation rotary cylinder 12 can separate and clamp the sample core sampled by the sampling flow channel 7, thereby facilitating the removal of the sampling core from the inner cavity of the main drill tube 4 and the splicing tube 5. The lower part of the sampling rack 10 is rotatably connected to a sample dividing rotary cylinder 12 driven by a differential motor 11. The bottom end of the sample dividing rotary cylinder 12 is open, and an annular inner clip capsule 13 is installed on the inner wall of the sample dividing rotary cylinder 12. A group of cutting nozzles 14 distributed in a circular array are installed on the inner wall of the sample dividing cylinder 12 and at the position corresponding to the bottom of the annular inner clamping capsule 13. An outer clamping capsule 15 is installed on the outer periphery of the sampling frame 10 and at the position corresponding to the top of the annular inner clamping capsule 13. An air pump 16 and a weighted corrugated rubber cylinder 17 with adjustable weight mass are respectively installed on the sampling frame 10. The ports of the air pump 16 are respectively connected to the inner cavities of the outer clamping capsule 15 and the annular inner clamping capsule 13, and the cutting nozzles 14 are injected with high pressure through the feeding auxiliary components.

[0034] The interior of the sample dividing rotary cylinder 12 is provided with an air guide ring cavity 36 and a liquid guide ring cavity 37 which are isolated from each other. The air outlet port of the air pump 16 and the inner cavity of the annular inner clamping capsule 13 are both adapted to be connected with the air guide ring cavity 36. Each cutting nozzle 14 is connected with the liquid guide ring cavity 37. The axis of the cutting nozzle 14 is perpendicular to the axis of the sample dividing rotary cylinder 12.

[0035] The connecting parts between the air pump 16, the outer clamp bag 15 and the air guide ring cavity 36 are all provided with an electromagnetic air valve and an air pressure probe.

[0036] When it is necessary to lift and load the spliced ​​tube 5 from the material stacking area on the load platform 18 and move the loaded spliced ​​tube 5 to a coaxial position with the impact cylinder 28, the rotation angle of the loading arm 3 and the position setting of the loading platform 9 on the loading arm 3 are adjusted, so that the sampling frame 10 is finally set coaxially with the spliced ​​tube 5 to be lifted on the material stacking area. Subsequently, the sampling frame 10 penetrates into the spliced ​​tube 5 to be loaded and lifted. After the sampling frame 10 penetrates into the spliced ​​tube 5, the outer clamping bag 15 is inflated, and the sampling frame 10 clamps and relatively fixes the spliced ​​tube 5. Subsequently, by controlling the angle of the loading arm 3 and the position control of the loading platform 9, the loaded spliced ​​tube 5 is set coaxially with the impact cylinder 28, and then the loading and fixation of the spliced ​​tube 5 on the impact cylinder 28 are completed, so that the sampling device has the functions of automatic loading and automatic splicing of sampling drill pipes.

[0037] The feeding auxiliary components include a hanging roller 38 rotatably connected to the feeding platform 9, and a counterweight box 39 installed on the load platform 18. A worm motor 40 is installed on the feeding platform 9. The output shaft end of the worm motor 40 is connected to the hanging roller 38 through a chain belt. The hanging roller 38 is provided with a high-pressure spray chamber and a liquid delivery chamber isolated from each other. The counterweight box 39 is provided with a liquid storage chamber fixedly therein. A high-pressure pump 41 and a pump body 42 are respectively installed on the counterweight box 39. The suction of the high-pressure pump 41 and the pump body 42 The liquid ends are connected to the liquid storage chamber, the liquid outlet port of the high-pressure pump 41 is connected to a high-pressure soft nozzle 43, the other end of the high-pressure soft nozzle 43 is connected to the high-pressure spray chamber, the liquid outlet port of the pump body 42 is connected to a liquid delivery hose 44, the other end of the liquid delivery hose 44 is connected to the liquid storage chamber, the first reel 45 and the second reel 46 are respectively wound on the hanging roller 38, the high-pressure spray chamber is connected to the liquid guide ring chamber 37 through the first reel 45, and the liquid delivery chamber is connected to the inner cavity of the counterweight corrugated rubber cylinder 17 through the second reel 46.

[0038] When it is necessary to remove the drilled sample core from the inside of the main drill pipe 4 and the spliced ​​pipe 5 online, first, the gas inside the annular inner clamping bag 13 in the sample dividing rotary cylinder 12 is fully emptied, and then the sample dividing rotary cylinder 12 moves to the inside of the main drill pipe 4 and fits with the inner bottom surface of the main drill pipe 4. After fitting, the inside of the annular inner clamping bag 13 is fully pressurized, and then the sample core drilled by the sampling drill bit 6 is clamped and wrapped. The wrapping clamping of the annular inner clamping bag 13 can achieve multiple The synchronous clamping of the segmented sample core or the broken core in the sample core effectively improves the sample core grabbing and clamping range applicable to the device. After the annular inner clamping capsule 13 clamps the sample core, the cutting nozzle 14 discharges liquid at high pressure, and then the whole segmented sample core is cut and lifted in sections by the high-pressure water flow. The cutting function is realized, thereby facilitating the segmented cutting and removal of the sample core, and after the cutting set time, the sample dividing drum 12 rotates at the set speed, thereby improving the cutting and separation efficiency of the drilled sample core and the segmented anti-adhesion effect of the sample core.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A geological and mineral exploration sampling device, comprising a liftable feeding table (1) and a loading arm (3) driven by a rotating motor (2), characterized in that: The feed table (1) is provided with a drill pipe driving and clamping component, a main drill pipe (4) is provided with the drill pipe driving and clamping component, a group of spliced ​​pipes (5) which can be threadedly connected in sequence are threadedly installed on the upper part of the main drill pipe (4), a sampling drill bit (6) is fixedly installed on the bottom end of the main drill pipe (4), a sampling flow channel (7) with two ends open is fixedly opened inside the sampling drill bit (6), a linear transmission module (8) is provided on the loading arm (3), a loading table (9) is transmission-connected to the linear transmission module (8), a loading auxiliary component is provided on the loading table (9), a sampling rack (10) is connected to the loading auxiliary component, a sampling rack (10) is rotationally connected to a sample dividing rotary cylinder (12) driven by a differential motor (11) at the lower part of the sampling rack (10), and an annular inner clamping capsule (13) is provided on the inner wall of the sample dividing rotary cylinder (12).

2. A geological and mineral exploration sampling device according to claim 1, characterized in that: A group of cutting nozzles (14) distributed in a circular array are installed on the inner wall of the sample dividing cylinder (12) and at a position corresponding to the bottom of the annular inner clamping capsule (13). An outer clamping capsule (15) is installed on the outer periphery of the sampling frame (10) and at a position corresponding to the top of the annular inner clamping capsule (13). An air pump (16) and a weighted corrugated rubber cylinder (17) with an adjustable weight mass are installed on the sampling frame (10). The ports of the air pump (16) are respectively connected to the inner cavities of the outer clamping capsule (15) and the annular inner clamping capsule (13). The cutting nozzles (14) are injected with high pressure through a feeding auxiliary component.

3. A geological and mineral exploration sampling device according to claim 2, characterized in that: The machine also comprises a load platform (18), on which a stacking area for stacking the spliced ​​pipes (5) is fixedly arranged, a drilling frame (19) is hingedly connected to the load platform (18), the loading arm (3) is rotatably sleeved on the drilling frame (19), a group of electric push rods (20) are hingedly connected between the load platform (18) and the drilling frame (19), a screw rod lifting module (21) is installed on the drilling frame (19), the screw rod lifting module (21) is transmission-connected to the feed platform (1), and the feed platform (1) is connected to the drilling frame. (19) Sliding connection; a group of diamond crushing teeth (22) distributed in a circumferential array are installed on the outer circumference of the sampling drill bit (6), each of the diamond crushing teeth (22) is connected to the main drill pipe (4), the diamond crushing teeth (22) are arranged at a 45° inclination on the outer circumference of the sampling drill bit (6), a group of drill teeth distributed in a circumferential array are installed at the bottom end of the sampling drill bit (6), the outer tops of the main drill pipe (4) and the splicing pipe (5) are both provided with a threaded connection part, and the inner bottom of the splicing pipe (5) is provided with a threaded connection part that is threadedly matched with the threaded connection part The drill pipe driving and clamping components include a DC motor (23) mounted on the feed table (1), a solid shaft (24) fixedly mounted on the output shaft end of the DC motor (23), an impact table (25) slidably connected to the feed table (1), a hollow shaft (26) rotatably connected to the impact table (25), and a support shaft (27) rotatably connected to the feed table (1), wherein a through groove with openings at both ends and slidably connected to the solid shaft (24) is fixedly provided inside the hollow shaft (26), and the cross sections of the through groove and the solid shaft (24) are both A regular polygon, an impact cylinder (28) is rotatably mounted on the impact table (25), the hollow shaft (26) is transmission-connected to the impact cylinder (28) via an annular toothed belt, an eccentric protrusion (29) is mounted on the support shaft (27), an impact wheel (30) is rotatably connected to the impact table (25), the impact wheel (30) is adaptively connected to the eccentric protrusion (29), a group of return springs (31) limited by the feed table (1) are mounted on the bottom surface of the impact table (25), and a drill pipe clamping module is mounted on the impact table (25).

4. A geological and mineral exploration sampling device according to claim 3, characterized in that: The drill pipe clamping module comprises a pressure clamp (32), a voltage rod (33) is installed between the pressure clamp (32) and the impact platform (25), the inner wall of the pressure clamp (32) is rotatably connected to a driven rotating ring (34), the bottom surface of the driven rotating ring (34) is hinged with a group of wedge-shaped clamps (35) distributed in a circumferential array, and the inner top of the impact cylinder (28) is fixedly provided with a guide clamp cone surface that cooperates with the wedge-shaped clamp (35); the feeding auxiliary component comprises a hanging roller (38) rotatably connected to the feeding platform (9) and a counterweight box (39) installed on the load platform (18), and a worm motor (40) is installed on the feeding platform (9), and the output shaft end of the worm motor (40) is connected to the hanging roller (38) through a chain belt. ) transmission connection, the interior of the hanging roller (38) is provided with a high-pressure spray chamber and a liquid delivery chamber which are isolated from each other, the interior of the counterweight box (39) is fixedly provided with a liquid storage chamber, and the counterweight box (39) is respectively installed with a high-pressure pump (41) and a pump body (42), the liquid suction ends of the high-pressure pump (41) and the pump body (42) are both connected to the liquid storage chamber, the liquid outlet port of the high-pressure pump (41) is connected with a high-pressure soft nozzle (43), the other end of the high-pressure soft nozzle (43) is connected to the high-pressure spray chamber, the liquid outlet port of the pump body (42) is connected with a liquid delivery hose (44), the other end of the liquid delivery hose (44) is connected to the liquid storage chamber, and the first coiled tube (45) and the second coiled tube (46) are respectively wound on the hanging roller (38).

5. A geological and mineral exploration sampling device according to claim 4, characterized in that: The inner diameter of the sampling flow channel (7) is 0.5 to 0.65 times the inner diameter of the splicing tube (5); the outer diameter and inner diameter of the main drill pipe (4) and the splicing tube (5) are the same; the impact tube (28) is a hollow cylindrical structure with openings at both ends; the inner diameter of the impact tube (28) is 1.2 to 1.4 times the outer diameter of the splicing tube (5).

6. A geological and mineral exploration sampling device according to claim 5, characterized in that: The cross section of the sampling rack (10) is circular, the maximum widths of the sampling rack (10) and the sample dividing rotary cylinder (12) are both 0.8 to 0.9 times the inner diameter of the splicing tube (5), and the bottom end of the sample dividing rotary cylinder (12) is open.

7. A geological and mineral exploration sampling device according to claim 2, characterized in that: The interior of the sample dividing rotary cylinder (12) is provided with an air guide ring cavity (36) and a liquid guide ring cavity (37) which are isolated from each other. The air outlet port of the air pump (16) and the inner cavity of the annular inner clamping capsule (13) are both adapted to communicate with the air guide ring cavity (36). Each of the cutting nozzles (14) is communicated with the liquid guide ring cavity (37). The axis of the cutting nozzle (14) is perpendicular to the axis of the sample dividing rotary cylinder (12).

8. A geological and mineral exploration sampling device according to claim 7, characterized in that: An electromagnetic air valve and an air pressure probe are provided at the connection points between the air pump (16), the outer clamping bag (15) and the air guide ring cavity (36).

9. A geological and mineral exploration sampling device according to claim 4, characterized in that: The high-pressure spray chamber is in communication with the liquid guide ring chamber (37) via a first coiled tube (45), and the liquid delivery chamber is in communication with the inner chamber of the weighted corrugated rubber cylinder (17) via a second coiled tube (46).

Images