CN116202806A

CN116202806A - Sampling device and sampling method for geological survey

Info

Publication number: CN116202806A
Application number: CN202310192838.4A
Authority: CN
Inventors: 李大兜; 王倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-06-02

Abstract

The utility model relates to the technical field of geological exploration sampling, in particular to a sampling device and a sampling method for geological exploration. The sampling mechanism comprises a shell, a drill bit is fixedly arranged at one end part of the outer wall of the shell, a plurality of through grooves are formed in the shell, and loading pipes are movably arranged in the through grooves. According to the utility model, the plurality of sampling assemblies in the shell can not only obtain a plurality of soil samples with the same depth at one time, but also obtain soil samples with different depths according to the needs; the plurality of loading pipes are mutually isolated from soil and are not contacted with each other, so that the accuracy of subsequent detection is ensured; after soil sampling, promote the subassembly and stretch out and can push away the loading tube to the inside timely save of storage tank, and the in-process that the loading tube moved to the storage tank inside, its upper shed edge scrapes the inner wall of storage tank, can guarantee the cleanliness of storage tank inner wall, makes the storage tank obtain timely clearance.

Description

Sampling device and sampling method for geological survey

Technical Field

The utility model relates to the technical field of geological exploration sampling, in particular to a sampling device and a sampling method for geological exploration.

Background

The geological exploration is to survey and detect geology by various means and methods, determine a proper bearing layer, determine a foundation type according to the foundation bearing capacity of the bearing layer, calculate investigation activities of foundation parameters, and need to sample and analyze soil of a certain area when geological exploration is carried out;

at present, when geological investigation personnel smash outdoor to sample, a soil sampling drill is usually adopted to insert a soil sampling pipe into a soil layer to sample impact soil or undisturbed soil, but the sampling mode is inconvenient to sample soil layers with different depths, when the soil layers with different depths are required to be sampled, the sampling pipe of the sampler is also required to be sampled for multiple times, the soil sample of the soil layer is inserted into the soil layer to be taken out, and then the soil sample of the next depth is inserted below the soil layer to be taken out, so that the working efficiency is influenced; the sampled soil is not convenient to take out from the sampling tube, and the taken out soil sample is not convenient to store in time on the soil sampling site; moreover, the inside clearance in time of being inconvenient for of sampling tube after the repeated sample, the soil of the last degree of depth of remaining in the sampling tube is mixed with the soil of next degree of depth each other easily, influences the accuracy of follow-up detection analysis.

The Chinese patent publication number: CN 211262791U discloses a geological survey drilling device with different depth sampling, comprising a supporting plate and a movable plate, wherein both sides of the bottom of the supporting plate are fixedly connected with universal wheels through supporting rods, the top of the supporting plate is fixedly connected with a supporting frame, the right side of the movable plate is fixedly connected with a sliding block matched with the supporting frame, the top of the movable plate is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a rotating rod. This geological survey drilling equipment of different degree of depth samplings, after the dwang moved to underground, telescopic link work promoted the sample post and takes place to move and make the stock through groove on the sample post correspond with the sample hole of dwang both sides, then drive the dwang through first motor work and rotate, go on under the effect of scraper blade, in the soil property can not get into the sample post before the formal sample, improved the accuracy of sample, and the device can get the geological sample of different degree of depth simultaneously.

Therefore, the geological exploration sampling device drives the rotating column to rotate through the operation of the first motor, and samples are carried out under the action of the scraping plate;

in the above, although the soil layers with different depths are sampled, the sampled soil is inconvenient to take out of the sampling tube after sampling, and the taken out soil sample is inconvenient to store in time on the soil sampling site; and a plurality of samples cannot be obtained from the soil layer with the same depth; and after the sampling, the inside of the sampling tube is inconvenient to clean in time, and the soil of the last depth remained in the inside of the sampling tube is easy to mix with the soil of the next depth, so that the accuracy of subsequent detection and analysis is affected.

In view of the foregoing, there is a need for a sampling device and a sampling method for geological exploration.

Disclosure of Invention

The utility model aims to provide a sampling device and a sampling method for geological exploration, which are used for solving the problem that the noise absorption effect of a sound insulation board in a high-temperature environment is reduced in the background technology.

In order to achieve the above object, one of the objects of the present utility model is to provide a sampling device for geological survey, which comprises a bracket, wherein first electric push rods are symmetrically arranged on two sides of the bracket, a cross beam is fixedly arranged at the upper ends of the two first electric push rods, a power assembly is fixedly arranged in the middle of the cross beam, a sampling mechanism is fixedly arranged at the bottom of the power assembly, the sampling mechanism comprises a housing, a drill bit is fixedly arranged at one end of the outer wall of the housing, an extension rod is fixedly arranged at the other end of the outer wall of the housing, the upper end of the extension rod is connected with a bearing of the power assembly, a plurality of grooves are formed in the bottom of the housing, a pushing assembly is fixedly arranged in each of the grooves, a plurality of through grooves are respectively communicated with the grooves, loading pipes are respectively movably arranged in the through grooves, a plurality of through grooves are respectively arranged in the upper parts of the housing, a plurality of through holes are respectively communicated with a plurality of through grooves, a plurality of through holes are respectively arranged on the upper surfaces of the partition plate, a plurality of the through holes are respectively communicated with a plurality of through grooves, a plurality of soil sampling holes are respectively arranged in the through holes respectively, a plurality of through holes are respectively communicated with a plurality of soil sampling grooves, a plurality of through holes are respectively arranged in the through grooves, a plurality of through holes are respectively communicated with a plurality of soil sampling grooves, and a plurality of soil sampling holes are respectively, and each soil is respectively communicated with soil;

the inner end parts of the sampling assemblies are fixedly connected with the inner end parts of the soil sampling grooves respectively, a plurality of soil sampling openings are formed in the outer wall of the shell, the soil sampling openings are communicated with the soil sampling grooves respectively, and the outer end parts of the sampling assemblies are movably matched with the soil sampling openings respectively.

The second object of the present utility model is to provide a sampling device and a sampling method for geological survey, comprising the following steps:

before taking a geological survey sample;

step one, a power assembly works to drive a shell in a sampling mechanism to rotate and insert the shell into soil to be sampled, so that the subsequent sampling work is facilitated;

in the geological exploration sampling process, entering a second step;

step two, the sampling claws in the sampling assemblies extend out of the soil sampling port, the grabbed soil can be taken into the loading pipe when the sampling claws retract, after the soil layer sampling is finished, the soil layer sampling of the next depth is carried out, and the sampling claws can isolate the sampled soil from each other, so that the accuracy of sampling detection is guaranteed;

after geological exploration sampling is carried out, entering a step three;

and thirdly, the plurality of loading pipes can timely store the acquired samples, and a third electric push rod in the plurality of pushing assemblies stretches out to push the loading pipes into the storage groove for storage, and the third electric push rod continues to stretch so as to be convenient for taking out sampled soil outside the shell.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the sampling device and the sampling method for geological survey, the power assembly working shell is inserted into the ground lower portion to be sampled, and a plurality of sampling assemblies in the shell can not only obtain a plurality of soil samples with the same depth at one time, but also obtain soil samples with different depths according to requirements.

2. In the sampling device and the sampling method for geological investigation, the loading pipes are mutually isolated from each other, so that the obtained soil in soil layers with different depths is not contacted with each other, and the accuracy of subsequent detection is guaranteed.

3. In this sampling device and sampling method for geological survey, after taking a sample soil, can promote the storage tank inside with loading tube through making the promotion subassembly stretch out and carry out timely depositing and preserving to the in-process that promotes the inside removal of loading tube to the storage tank of promotion subassembly, the inner wall of storage tank can be carried out timely clearance to the inner wall of storage tank to the scraping of upper shed edge of loading tube, guarantees the cleanliness of storage tank inner wall.

Drawings

FIG. 1 is a schematic view of the overall structure of the holder and sampling mechanism of the present utility model;

FIG. 2 is a schematic view of the overall structure of the bracket of the present utility model;

FIG. 3 is a schematic diagram of the whole structure of the sampling mechanism of the present utility model;

FIG. 4 is a schematic view of the overall structure of the housing in the sampling mechanism of the present utility model;

FIG. 5 is a cross-sectional view of the entire structure of the sampling mechanism of the present utility model prior to sampling;

FIG. 6 is a cross-sectional view of the entire structure of the sampling mechanism of the present utility model during sampling;

FIG. 7 is a cross-sectional view of the entire structure of the sampling mechanism of the present utility model after sampling;

FIG. 8 is a top view of the overall structure of the soil pick-up slot in the housing of the present utility model;

FIG. 9 is a top view of the overall structure of the recess in the housing of the present utility model

FIG. 10 is a cross-sectional view of the overall structure of the sampling assembly and spacer and transfer tube in the housing of the present utility model;

FIG. 11 is a cross-sectional view of the overall structure of the baffle and plurality of sampling assemblies in the housing of the present utility model;

FIG. 12 is a fragmentary view of the unitary construction of the baffle and the plurality of sampling assemblies in the housing of the present utility model;

FIG. 13 is a cross-sectional view of the overall construction of the sampling assembly and toggle assembly of the present utility model;

FIG. 14 is a schematic view showing the overall structure of a plurality of loading tubes according to the present utility model.

The meaning of each reference sign in the figure is:

1. a bracket; 10. a first electric push rod; 11. a cross beam; 12. a power assembly; 120. a case;

2. a sampling mechanism; 20. a housing; 200. a soil taking port; 21. a drill bit; 22. an extension rod;

23. a groove; 230. a pushing assembly; 2300. a third electric push rod; 2301. a push plate;

24. a through groove; 240. a loading tube; 2400. a drag hook; 2401. a bump; 2402. a boss;

25. a partition plate; 250. a through hole; 2500. a rubber ring; 251. a clamping groove;

26. a soil sampling groove; 260. a sampling assembly; 261. a second electric push rod; 262. a sampling claw; 2620. a guide groove; 263. the assembly is stirred; 2630. a scraper; 2631. a guide rod; 2632. a spring; 2633. a shifting block;

27. a storage tank; 270. a limit groove; 271. sealing cover.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Therefore, the utility model provides a sampling device for geological survey, as shown in fig. 1-14, the sampling device for geological survey comprises a bracket 1, first electric push rods 10 are symmetrically arranged at two sides of the bracket 1, a cross beam 11 is fixedly arranged at the upper ends of the two first electric push rods 10, a power component 12 is fixedly arranged in the middle of the cross beam 11, a sampling mechanism 2 is fixedly arranged at the bottom of the power component 12, the lower end of the first electric push rod 10 is contracted to drive the lower end of the sampling mechanism 2 to contact the ground to be sampled by moving the bracket 1 to the area to be sampled, the first electric push rod 10 is continuously contracted at the moment, and meanwhile, the power component 12 is rotated to work, so that the sampling mechanism 2 is inserted into the ground to facilitate the subsequent sampling work, the sampling mechanism 2 comprises a shell 20, a drill bit 21 is fixedly arranged at one end part of the outer wall of the shell 20, an extension rod 22 is fixedly arranged at the other end part of the outer wall of the shell 20, the upper end of the extension rod 22 is connected with the power component 12 through a bearing, the power component 12 rotates and can drive the extension rod 22 to rotate, the extension rod 22 rotates and drives the shell 20 to rotate, the shell 20 rotates and simultaneously drives the drill bit 21 at one end of the extension rod to rotate, when the first electric push rod 10 is contracted, the shell 20 is enabled to be screwed into the lower part of the ground to carry out the subsequent sampling work by applying the force of inserting the shell 20 into the ground, a plurality of grooves 23 are arranged at the bottom of the shell 20, pushing components 230 are fixedly arranged in the grooves 23, the pushing components 230 are used for pushing the obtained soil out of the shell 20 after sampling, a plurality of through grooves 24 are arranged at the upper part of the pushing components 230 in the shell 20 and are respectively communicated with the grooves 23, loading pipes 240 are movably arranged in the through grooves 24, the plurality of loading pipes 240 are used for loading soil obtained during sampling, the upper part of the plurality of through grooves 24 in the shell 20 is provided with a baffle plate 25, the upper surface of the baffle plate 25 is provided with a plurality of through holes 250, the plurality of through holes 250 are respectively communicated with the plurality of through grooves 24, the upper openings of the plurality of loading pipes 240 are respectively movably matched with the plurality of through holes 250, the upper opening edges of the plurality of loading pipes 240 are respectively flush with the upper opening edges of the plurality of through holes 250, the soil obtained during sampling by the sampling assembly 260 is beneficial to falling into the loading pipes 240, the inside of the shell 20 is provided with a plurality of soil sampling grooves 26 at the upper part of the baffle plate 25, the plurality of soil sampling grooves 26 are respectively communicated with the plurality of through holes 250, sampling assemblies 260 are respectively arranged in the plurality of soil sampling grooves 26, after the shell 20 is inserted into the underground depth to be sampled, the soil of the depth is taken into the soil sampling grooves 26 by extending the sampling assemblies 260 along the baffle plate 25, and the soil of the depth can fall into the loading pipes 240 by driving the soil through the through holes 250; when soil in soil layers with different depths is required to be sampled, the power assembly 12 is rotated again to drive the drill bit 21 at one end of the casing 20 to rotate, and simultaneously, the casing 20 is contracted in cooperation with the first electric push rod 10, so that the casing 20 can be inserted into the soil layer with the next depth, at the moment, the other sampling assembly 260 in the other soil sampling groove 26 extends out of the casing 20 along the partition plate 25, and the soil in the soil layer with the next depth is taken into the other soil sampling groove 26, so that the soil with the next depth can be taken into the other loading pipe 240, and the geological investigation sampling device can not only obtain a plurality of soil samples with the same depth at one time, but also obtain soil samples with different depths according to requirements; in addition, the loading pipes 240 are isolated from each other, which is beneficial to ensuring that the obtained soil in soil layers with different depths are not contacted with each other, thereby being beneficial to ensuring the accuracy of subsequent detection; the upper part of the soil sampling grooves 26 in the shell 20 is provided with a plurality of storage grooves 27, the storage grooves 27 are respectively communicated with the soil sampling grooves 26, after soil is sampled, the pushing assembly 230 is extended to push the loading pipe 240 into the storage grooves 27 for timely storage and preservation, and in the process that the pushing assembly 230 pushes the loading pipe 240 to move towards the storage grooves 27, the upper opening edge of the loading pipe 240 scrapes the inner wall of the storage grooves 27, so that the cleanliness of the inner wall of the storage grooves 27 can be ensured, and timely cleaning is facilitated;

referring to fig. 5-7, it should be noted that, the inner ends of the sampling assemblies 260 are fixedly connected with the inner ends of the soil sampling slots 26, the outer wall of the housing 20 is provided with a plurality of soil sampling ports 200, the soil sampling ports 200 are respectively communicated with the soil sampling slots 26, the outer ends of the sampling assemblies 260 are respectively movably matched with the soil sampling ports 200, and when the housing 20 is inserted into the ground under the sampling to be subjected to the geological survey, the outer ends of the sampling assemblies 260 extend to the soil sampling ports 200 to block the soil sampling ports 200, so that the soil can be prevented from entering the housing 20 before the soil sampling is required; when the sampling assembly 260 is taking the soil, the lower edge of the soil taking port 200 is flush with the surface of the partition plate 25 by extending the sampling assembly 260 along the partition plate 25 to the outside of the soil taking port 200, and when the sampling assembly 260 is retracted to the soil taking port 200, the soil can be taken into the soil taking groove 26, and when the soil passes through the through hole 250, the soil can fall into the loading tube 240.

Referring to fig. 5-7, the structure and the working process of the sampling assembly 260 need to be further described, where the sampling assembly 260 includes a second electric push rod 261, the inner ends of the second electric push rods 261 are fixedly connected with the inner ends of the soil sampling slots 26, the outer ends of the second electric push rods 261 are fixedly provided with sampling claws 262, the inner ends of the sampling claws 262 are movably provided with a poking assembly 263, the second electric push rod 261 stretches out to drive the sampling claws 262 to stretch out of the soil sampling port 200 along the partition plate 25 for sampling soil, and the second electric push rod 261 contracts to drive the sampling claws 262 to retract into the soil sampling slots 26 along the partition plate 25, at the same time, the grabbed soil can be brought into the soil sampling slots 26 together, when the soil passes through the through holes 250 on the surface of the partition plate 25, the soil falls into the loading tube 240 through the through holes 250, and the sampling claws 262 stretch out and retract repeatedly, so that the soil sampling operation can be completed.

Referring to fig. 5-7, it should be noted that when the soil taken into the soil sampling slot 26 through the sampling claw 262 falls into the loading tube 240, a situation that the soil is blocked at the tube mouth may occur, the plurality of stirring assemblies 263 include a plurality of scrapers 2630, the outer surfaces of the plurality of scrapers 2630 are respectively movably matched with the inner ends of the sampling claws 262 in the plurality of sampling assemblies 260, guide rods 2631 are fixedly arranged on the outer surfaces of the plurality of scrapers 2630, guide slots 2620 are respectively arranged at the inner ends of the plurality of sampling claws 262, the plurality of guide rods 2631 are respectively slidingly connected with the plurality of guide slots 2620, return springs 2632 are respectively arranged inside the plurality of guide slots 2620, the inner ends of the plurality of return springs 2632 are respectively fixedly connected with the outer ends of the plurality of guide rods 2631, and the outer ends of the plurality of return springs 2632 are respectively fixedly connected with the bottoms of the plurality of guide slots 2620; the outer walls of the loading pipes 240 are fixedly provided with draw hooks 2400 at the edges of the upper openings, the outer surfaces of the scraping plates 2630 in the poking assemblies 263 are fixedly provided with poking blocks 2633, the poking blocks 2633 are respectively in movable fit with the draw hooks 2400, when the second electric push rod 261 stretches out to drive the sampling claw 262 to stretch out of the soil sampling opening 200 and retract into the soil sampling opening 200, the scraping plates 2630 scrape the upper surfaces of the partition plates 25, so that soil adhered to the upper surfaces of the partition plates 25 can be scraped, and the scraping plates 2630 can timely treat the residual soil in the soil sampling groove 26; in the process of extending the sampling claw 262 to the outside of the soil sampling port 200, the sampling claw 262 can firstly pass through the drag hook 2400 at the edge of the upper port of the loading pipe 240 to extend to the outside of the soil sampling port 200; when the scraper 2630 at the inner end of the sampling claw 262 contacts the drag hook 2400, the drag hook 2400 hooks the shifting block 2633 on the outer surface of the scraper 2630, at this time, the sampling claw 262 continues to extend out of the soil sampling port 200, the shifting block 2633 on the scraper 2630 is hooked with the drag hook 2400 at the upper port of the loading pipe 240, and the pipe orifice of the loading pipe 240 can be inclined towards the soil sampling port 200 in cooperation with the pulling force of the sampling claw 262, so that the soil can conveniently enter the loading pipe 240; when the sampling claw 262 is retracted into the soil sampling port 200, the scraping plate 2630 loses the pulling force exerted by the sampling claw 262, and meanwhile, the loading pipe 240 is reset and shakes, so that the situation that soil is blocked at the pipe orifice is avoided;

preferably: the retractor 2400 is preferably made of an elastic metal material.

Referring to fig. 4 and 12, further, in order to ensure the rationality of the structure, the upper surface of the partition 25 is symmetrically provided with clamping grooves 251 at the edges of the upper openings of the through holes 250, rubber rings 2500 are fixedly arranged inside the through holes 250, bumps 2401 are symmetrically arranged at the edges of the upper openings of the loading pipes 240, the loading pipes 240 are lapped at the through holes 250 through the bumps 2401, the rubber rings 2500 are beneficial to ensuring the tightness between the outer walls of the loading pipes 240 and the inner walls of the through holes 250, and preventing soil from falling into the through grooves 24; while the protrusions 2401 of the outer wall of the loading tube 240 are snapped into the catching grooves 251 at the edges of the through-holes 250, which is advantageous in preventing the loading tube 240 from falling into the through-grooves 24.

Referring to fig. 7 and 14, after sampling, the third electric push rod 2300 needs to push the loading tube 240 into the storage tank 27 for storage, a plurality of bosses 2402 are disposed on the outer wall of the loading tube 240, the bosses 2402 disposed on the outer wall of the same loading tube 240 are all longitudinally arranged with the drag hook 2400, the bosses 2402 are movably matched with the outer ends of the sampling claws 262, the inner walls of the storage tank 27 are provided with opposite limiting grooves 270, the bosses 2402 are movably matched with the limiting grooves 270, the sampling claws 262 are retracted to the inner ends of the soil sampling grooves 26 by retracting the second electric push rod 261, and then the third electric push rod 2300 pushes the bottom of the loading tube 240, so that the loading tube 240 with soil moves into the storage tank 27, at this time, the sampling claws 262 can play a role of supporting the loading tube 240, and at the same time, the bosses 2402 outside the loading tube 240 collide onto the sampling claws 262, at this time, the loading tube 240 vibrates, and the soil inside the loading tube can be loaded more tightly under the vibration effect; and after the loading tube 240 moves into the storage groove 27, the boss 2402 of the outer wall of the loading tube 240 is clamped in the limit groove 270 on the inner side of the storage groove 27, which is beneficial to ensuring the storage stability of the loading tube 240 in the storage groove 27.

Referring to fig. 4, in addition, the loading tube 240 is conveniently taken out and placed, and sealing covers 271 are screwed on the outer walls of the housing 20 at the upper openings of the plurality of storage slots 27.

Referring to fig. 6, in addition, the pushing assemblies 230 include a third electric push rod 2300, the inner ends of the third electric push rods 2300 are fixedly connected with the bottoms of the grooves 23, pushing plates 2301 are fixedly arranged at the outer ends of the third electric push rods 2300, the outer surfaces of the pushing plates 2301 are movably matched with the bottoms of the loading pipes 240, when the third electric push rod 2300 pushes the loading pipes 240 filled with soil into the storage tank 27 for storage, the pushing plates 2301 at the upper ends of the third electric push rods 2300 retract to block the through holes 250, and at the moment, the sampling claw 262 drives the scraping plates 2630 to extend and retract back towards the outside of the soil sampling port 200, so that the residual soil inside the soil sampling tank 26 can be scraped, only the sampling claw 262 and the scraping plates 2630 are required to be cleaned independently, large-area cleaning work is not required, the cleaning of the soil sampling tank 26 is facilitated, and the next use and the mutual mixing of the soil sampled by the soil with the depth soil are prevented, and the accuracy of the subsequent detection and analysis is affected.

Secondly, describing the structure of the power assembly 12, the power assembly 12 includes a case 120, a driving motor is fixedly arranged in the case 120, a rotating shaft of the driving motor penetrates out of the case 120, and is connected with an upper end bearing of the extension rod 22, and by starting the driving motor, the rotating shaft of the driving motor rotates to transmit power to the extension rod 22, so that the extension rod 22 rotates and drives a drill bit 21 at one end of the casing 20 to rotate, thereby the casing 20 can be inserted into the ground under part to be sampled;

the utility model also provides a sampling device and a sampling method for geological survey, wherein the sampling device and the sampling method comprise the following method steps:

before taking a geological survey sample;

step one, a driving motor in the power assembly 12 rotates to drive a shell 20 in the sampling mechanism 2 to rotate, the shell 20 rotates to drive a drill bit 21 to rotate, and simultaneously, when the first electric push rod 10 contracts, the shell 20 is matched with the underground force, so that the shell 20 can be inserted into soil to be sampled, and the subsequent sampling work is facilitated;

in the geological exploration sampling process, entering a second step;

step two, the sampling claws 262 in the sampling assemblies 260 extend out of the soil sampling port 200 to take out soil, the gripped soil can be taken into the soil sampling groove 26 when retracted, and when the soil passes through the through holes 250 on the surface of the partition plate 25, the soil falls into the loading pipe 240; when the soil layer sampling is finished and the soil layer sampling at the next depth is required, the first step is executed again, so that the housing 20 continues to move towards the lower part of the ground until the housing moves to the soil layer sampling position at the next depth, and at this time, the soil sampling step is the same as the above, and the other sampling claw 262 extends out of the other soil sampling opening 200 to sample the soil at the next depth, so that the soil sample at the next depth can be sampled into the other loading pipe 240; the plurality of loading pipes 240 can isolate the sampled soil from each other, which is beneficial to ensuring the accuracy of sampling and detection;

after geological exploration sampling is carried out, entering a step three;

in the third step, after the soil samples are loaded in the plurality of loading pipes 240, the obtained samples can be stored in time, and the third electric push rod 2300 in the plurality of pushing assemblies 230 is extended to push the loading pipes 240 loaded with the soil into the storage tank 27 for storage, and the third electric push rod 2300 is extended continuously to facilitate the taking out of the sampled soil outside the housing 20.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sampling device for geological survey, it includes support (1), support (1) bilateral symmetry is equipped with first electric putter (10), two crossbeam (11) are established to first electric putter (10) upper end fixing, fixed power pack (12) that are equipped with in the middle of crossbeam (11), power pack (12) bottom is fixed and is equipped with sampling mechanism (2), its characterized in that: the sampling mechanism (2) comprises a shell (20), a drill bit (21) is fixedly arranged at one end part of the outer wall of the shell (20), an extension rod (22) is fixedly arranged at the other end part of the outer wall of the shell (20), the upper end part of the extension rod (22) is connected with a power assembly (12) through a bearing, a plurality of grooves (23) are formed in the inner part of the shell (20), a pushing assembly (230) is fixedly arranged in the grooves (23), a plurality of through grooves (24) are formed in the inner part of the shell (20) and are respectively communicated with the grooves (23), loading pipes (240) are movably arranged in the inner part of the through grooves (24), a plurality of through holes (250) are formed in the upper part of the shell (20), a plurality of through holes (250) are respectively communicated with the through grooves (24), a plurality of loading pipes (240) are respectively communicated with the plurality of through holes (26) and the inner parts (250) of the shell (26) respectively, the inside of the soil sampling grooves (26) is provided with sampling assemblies (260), the inside of the shell (20) is provided with a plurality of storage grooves (27) at the upper parts of the soil sampling grooves (26), and the storage grooves (27) are respectively communicated with the soil sampling grooves (26);

the inner end parts of the sampling assemblies (260) are fixedly connected with the inner end parts of the soil sampling grooves (26) respectively, a plurality of soil sampling ports (200) are formed in the outer wall of the shell (20), the soil sampling ports (200) are communicated with the soil sampling grooves (26) respectively, and the outer end parts of the sampling assemblies (260) are in movable fit with the soil sampling ports (200) respectively.

2. A sampling device for geological exploration according to claim 1, characterized in that: the sampling assembly (260) comprises a second electric push rod (261), the inner end parts of the second electric push rods (261) are fixedly connected with the inner end parts of the soil sampling grooves (26) respectively, the outer end parts of the second electric push rods (261) are fixedly provided with sampling claws (262) respectively, and the inner end parts of the sampling claws (262) are movably provided with stirring assemblies (263).

3. A sampling device for geological survey according to claim 2, wherein: the plurality of stirring subassembly (263) include scraper blade (2630), a plurality of scraper blade (2630) surface respectively with a plurality of in sampling subassembly (260) sampling claw (262) inner tip clearance fit, a plurality of scraper blade (2630) external surface fixation is equipped with guide arm (2631), a plurality of in sampling claw (262) tip all has offered guide slot (2620), a plurality of guide arm (2631) respectively with a plurality of guide slot (2620) sliding connection to a plurality of in guide slot (2620) all are equipped with reset spring (2632), a plurality of in reset spring (2632) tip respectively with a plurality of in-tip fixed connection outside guide arm (2631), a plurality of reset spring (2632) outer tip respectively with a plurality of guide slot (2620) bottom fixed connection.

4. A geological survey sampling apparatus according to claim 3, wherein: the outer walls of the loading pipes (240) are fixedly provided with draw hooks (2400) at the edges of the upper openings, the outer surfaces of the scraping plates (2630) in the poking assemblies (263) are fixedly provided with poking blocks (2633), and the poking blocks (2633) are respectively in movable fit with the draw hooks (2400).

5. A geological survey sampling apparatus according to claim 4, wherein: clamping grooves (251) are symmetrically formed in the upper surface of the partition plate (25) at the edges of the upper openings of the through holes (250), rubber rings (2500) are fixedly arranged in the through holes (250), protruding blocks (2401) are symmetrically arranged at the edges of the upper openings of the loading pipes (240), and the loading pipes (240) are lapped at the through holes (250) through the protruding blocks (2401).

6. A geological survey sampling apparatus according to claim 5, wherein: a plurality of loading tube (240) outer wall is equipped with a plurality of bosss (2402), is located same a plurality of loading tube (240) outer wall boss (2402) all with drag hook (2400) are same vertical arrangement, and boss (2402) with sample claw (262) outer tip clearance fit, a plurality of spacing groove (270) have all been seted up to storage tank (27) inner wall, boss (2402) with spacing groove (270) clearance fit.

7. A sampling device for geological exploration according to claim 1, characterized in that: the outer wall of the shell (20) is positioned at the upper openings of the storage tanks (27) and is connected with sealing covers (271) in a threaded manner.

8. A sampling device for geological exploration according to claim 1, characterized in that: the pushing assemblies (230) comprise a third electric push rod (2300), the inner ends of the third electric push rod (2300) are fixedly connected with the bottoms of the grooves (23) respectively, pushing plates (2301) are fixedly arranged at the outer ends of the third electric push rod (2300), and the outer surfaces of the pushing plates (2301) are movably matched with the bottoms of the loading pipes (240) respectively.

9. A sampling device for geological exploration according to claim 1, characterized in that: the power assembly (12) comprises a box body (120), a driving motor is fixedly arranged in the box body (120), a rotating shaft of the driving motor penetrates out of the box body (120), and the driving motor is in rotating connection with an upper end bearing of the extension rod (22).

10. A sampling device and method for geological exploration according to any of claims 1-9, characterized by comprising the following method steps:

before taking a geological survey sample;

step one, a power assembly (12) works to drive a shell (20) positioned in a sampling mechanism (2) to rotate and insert the shell into soil to be sampled, so that the subsequent sampling work is facilitated;

in the geological exploration sampling process, entering a second step;

step two, sampling claws (262) in a plurality of sampling assemblies (260) extend out of a soil sampling port (200), the grabbed soil can be taken into a loading pipe (240) when the sampling is retracted, after the soil layer sampling is finished, the soil layer sampling of the next depth is carried out, and the sampling soil can be mutually isolated by the plurality of loading pipes (240), so that the accuracy of sampling detection is guaranteed;

after geological exploration sampling is carried out, entering a step three;

and thirdly, the plurality of loading pipes (240) can store the acquired samples in time, and the third electric push rod (2300) in the plurality of pushing assemblies (230) stretches out to push the loading pipes (240) into the storage groove (27) for storage, and the third electric push rod (2300) continues to stretch so as to be convenient for taking out the sampled soil outside the shell (20).