CN117782685A - Soil quality identification sampling device for underground space - Google Patents

Abstract

The application provides a sampling device is distinguished to underground space soil property relates to soil property and distinguishes the field. The soil quality identification sampling device for the underground space comprises: base subassembly, drive assembly, inner and outer layer power conversion subassembly, sample extension subassembly, sample subassembly and earth breaking drill bit. The inner-outer layer power conversion assembly controls the driving assembly to drive the base barrel part and the rotary push-out sampling part respectively. This kind of sampling device is discerned to underground space soil property is through the action of inside and outside layer power conversion subassembly with the sample subassembly income soil and rotatory sample action conversion of pushing out the sample piece to inside and outside layer power conversion subassembly is located the conversion of being convenient for above ground, converts through inside and outside layer power conversion subassembly moreover, does not have corresponding circuit and hydraulic pressure pipeline in making underground space, and the rotatory broken soil of long-time along with drive assembly is carried out to sample extension subassembly and sample subassembly, reduces the rotatory influence of circuit and pipeline to the sample subassembly.

Description

Soil quality identification sampling device for underground space

Technical Field

The application relates to the technical field of soil property identification, in particular to an underground space soil property identification sampling device.

Background

The exploration of earth in underground space is an important part of civil engineering and is a technical means for ascertaining the basic characteristics and spatial distribution of subsurface soil, groundwater and adverse geological effects. In the field exploration process, a certain technical means is utilized to sample soil samples which can meet various specific quality requirements.

In the related art, the soil quality identification sampling device for the underground space is kept stable by stepping on the counterweight plate by a user, then the sampling rod and the extension rod are driven into the ground by being matched with the driving device and the downward pressing of manpower, and the existing sampling rod is pushed by the hydraulic cylinder in the existing sampling rod to sample when the existing sampling rod is sampled.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art. For this reason, this application provides sampling device is discerned to underground space soil property, sampling device is discerned through inside and outside layer power conversion subassembly and is sampled extension subassembly and the action of sampling subassembly income soil and rotatory sample action conversion of pushing out the sample piece to inside and outside layer power conversion subassembly is located the conversion of being convenient for above ground, and converts through inside and outside layer power conversion subassembly in addition, does not have corresponding circuit and hydraulic pressure pipeline in making underground space, the interconnect of being convenient for, and the rotatory ground of breaking of carrying out for a long time along with drive assembly of extension subassembly and sampling subassembly, reduce the rotatory influence of circuit and pipeline to the sampling subassembly.

According to the embodiment of the application, the soil texture identification sampling device for the underground space comprises: base subassembly, drive assembly, inner and outer layer power conversion subassembly, sample extension subassembly, sample subassembly and earth breaking drill bit.

The driving component is connected with the base component in a sliding way, the inner-outer layer power conversion component is arranged at the lower end of the driving component, the sampling extension component is arranged at the lower end of the inner-outer layer power conversion component, the sampling component comprises a base cylinder and a rotary push-out sampling component, the rotary push-out sampling component is arranged in the base cylinder, the base cylinder is arranged at the lower end of the sampling extension component, the rotary push-out sampling piece is connected into the sampling extension assembly, the sampling assembly is multiple, the base barrel pieces of the sampling assembly are mutually connected, the rotary push-out sampling piece of the sampling assembly is multiple, the internal and external power conversion assembly controls the driving assembly to respectively drive the base barrel pieces and the rotary push-out sampling piece, and the earth breaking drill bit is fixedly connected to the lower end of the base barrel piece at the bottommost end.

According to some embodiments of the present application, the base assembly includes counter weight plate, bedplate, deflector, otic placode and slide bar, bedplate fixed connection in counter weight plate upside, otic placode fixed connection in the deflector downside, the otic placode articulated in on the bedplate, counter weight plate with the guiding hole has been seted up on the deflector, the bedplate with the otic placode sets up into three at least, just the bedplate with the otic placode is followed the circumference distribution of guiding hole, slide bar fixed connection in the deflector upside, the slide bar is followed the circumference equidistant distribution of guiding hole, actuating assembly sliding connection in the slide bar, sample extension subassembly the sampling assembly with the earth breaking drill bit can pass the guiding hole.

According to some embodiments of the application, the driving assembly comprises a movable base plate, a housing, a driving part, a connecting piece and a compression stabilizing spring, wherein the movable base plate is slidably connected to the slide rod, the housing and the movable base plate are connected through the connecting piece, the compression stabilizing spring is inserted into the lower end of the housing, two ends of the compression stabilizing spring are respectively pressed against the housing and the movable base plate, the driving part is fixedly connected inside the housing, the outer wall of the housing is provided with a sliding groove, the sliding groove is in a reverse L shape, the inner-outer layer power conversion assembly comprises a limit conversion force application piece, an inner-outer layer driving conversion piece, an outer-layer linkage piece, a return spring and a first connecting cylinder, the limit conversion force application piece is slidably connected inside the housing, the outer end of the limit conversion force application piece can slide along the sliding groove, the outer end of the limit conversion force application piece penetrates through the sliding groove, the inner-outer layer driving conversion piece is rotationally connected inside the limit conversion force application piece, the outer-layer driving conversion piece is rotationally connected inside the outer-layer driving conversion piece, the outer-layer power conversion piece is rotationally connected inside the housing, the inner-outer-layer driving conversion piece is rotationally connected inside the inner-layer conversion piece and the inner-outer-layer driving part is rotationally connected inside the inner-layer driving part, the inner-layer driving part is connected with the inner-outer layer driving part through the inner-layer conversion piece, the inner-layer driving part is connected with the end, and the first connecting piece is connected with the inner-layer, and the end is capable of connecting piece through the end, and the end is respectively, and the end is connected through the linkage piece, the inner layer driving conversion piece and the outer layer driving conversion piece can respectively and independently control the outer layer linkage piece and the inner layer linkage piece to rotate, and when the inner layer driving conversion piece and the outer layer driving conversion piece control the inner layer linkage piece to rotate, the limiting conversion force application piece can limit the rotation of the outer layer linkage piece.

According to some embodiments of the present application, the housing comprises a mounting cylinder, a top cover fixedly connected to the top end of the mounting cylinder, and a force application handle fixedly connected to the outer side of the mounting cylinder.

According to some embodiments of the present application, the connecting piece includes connection base, connecting rod and sliding seat, connection base fixed connection in the periphery of activity bed plate periphery, the connecting rod lower extreme rotate connect in connection base, sliding seat fixed connection in the outer wall of shell, connecting rod upper end sliding connection in sliding seat.

According to some embodiments of the present application, the spacing conversion application of force piece includes application of force section of thick bamboo, mounting panel, limiting plate, gag lever post and conversion handle, mounting panel fixed connection in the inside of application of force section of thick bamboo upper end, inside and outside layer drive conversion piece upper end rotate connect in the mounting panel, limiting plate fixed connection in the inside of application of force section of thick bamboo lower extreme, gag lever post fixed connection in the limiting plate upside, the gag lever post can insert outer linkage, just the gag lever post restriction outer linkage rotates, conversion handle fixed connection in the application of force section of thick bamboo outside, conversion handle passes the sliding tray, just conversion handle can be followed the sliding tray slides.

According to some embodiments of the application, the driving piece includes driving motor, driving motor's output is provided with first spline, inside and outside layer drive conversion piece includes actuating cylinder and converting column, converting column fixed connection in actuating cylinder bottom, actuating cylinder upper end's outer wall rotate connect in the spacing conversion application of force piece, actuating cylinder inside be provided with first spline groove, first spline slip peg graft in the first spline groove, the second spline has been seted up to converting column outer wall, prism hole has been seted up to converting column inside, the converting column can pass through the second spline drive outer link, the converting column can pass through prism Kong Qudong inner layer link.

According to some embodiments of the application, the outer linkage piece includes outer linkage section of thick bamboo and spacing joining in marriage the plywood, spacing joining in marriage the plywood fixed cup joint in the outer wall of outer linkage section of thick bamboo upper end, the transition groove has been seted up to the inside upper end of outer linkage section of thick bamboo, the draw-in groove has been seted up to the transition tank bottom, the second spline groove has been seted up in the draw-in groove, the inlayer linkage piece rotate run through in the inside lower extreme of outer linkage section of thick bamboo, the upper end of inlayer linkage piece extends into in the transition groove, the lower extreme of inlayer linkage piece extends into in the first connecting section of thick bamboo, the second spline can be inserted in the draw-in groove the second spline groove, the upper end of inlayer linkage piece can be inserted in the prism hole, spacing groove has been seted up at spacing cooperation board periphery, spacing conversion application of force piece can be inserted in the spacing groove, spacing conversion application piece can pass through spacing groove restriction outer linkage section of thick bamboo rotates.

According to some embodiments of the present application, the inner linkage includes an inner linkage rod, a large prism rod and a small prism rod, the large prism rod and the small prism rod are respectively fixedly connected to the upper end and the lower end of the inner linkage rod, the large prism rod is located in the transition groove, the small prism rod is located in the first connecting cylinder, the large prism rod can be inserted into the prism hole, and the small prism rod is connected to the sampling extension assembly.

According to some embodiments of the present application, the sample extension assembly includes an extension section of thick bamboo, first connector, first universal driving shaft and second connecting cylinder, first connector pass through screw thread fixed connection in the first connecting cylinder, second connecting cylinder fixed connection in the extension section of thick bamboo bottom, base section of thick bamboo spare pass through screw thread fixed connection in the second connecting cylinder, first universal driving shaft includes axis body, interior prism section of thick bamboo and connecting prism, interior prism section of thick bamboo with connecting prism respectively fixed connection in axis body top and bottom, the axis body rotate run through in extension section of thick bamboo is inside, interior prism section of thick bamboo with connecting prism is located respectively first connector with inside the second connecting cylinder, little prism pole inserts in the interior prism section of thick bamboo, connecting prism inserts rotatory push out sample piece.

According to some embodiments of the present application, the base barrel part comprises a base barrel, a second connector, a third connecting barrel, a self-return cover plate and a second linkage shaft, the second connector and the third connecting barrel are fixedly connected with the upper end and the lower end of the base barrel, a cover plate groove is formed on the outer wall of the base barrel, a sampling hole is formed on the outer wall of the base barrel at the position of the cover plate groove, the self-return cover plate is arranged in the cover plate groove, the self-return cover plate can seal the sampling hole, the second linkage shaft and the first linkage shaft have the same structure, the second linkage shaft rotates to penetrate through the base barrel, the inner prismatic barrel and the connecting prismatic barrel of the second linkage shaft are respectively positioned inside the second connector and the third connecting barrel, a plurality of base barrel parts are mutually connected through the second connector and the third connecting barrel, the second linkage shafts inside the base barrel parts are mutually spliced through the connecting prisms and the inner prism barrels, the rotary push-out sampling part comprises a rotary plate, a pushing post, a sampling barrel part, a guide rod, a fixing block and a limiting block, the rotary plate is fixedly sleeved on the second linkage shafts, the pushing post is fixedly connected to the upper side of the rotary plate, the tail part of the sampling barrel part is slidably connected to the pushing post, the tail part of the sampling barrel part can rotate around the pushing post, the guide rod is fixedly connected to the inside of the base barrel, the side wall of the tail part of the sampling barrel part is slidably connected to the guide rod, the head part of the sampling barrel part is inserted into the sampling hole, the head part of the sampling barrel part can push the self-return cover plate to be turned and opened, the fixing block is fixedly connected to the inside of the base barrel, the stopper fixed connection in the rotor plate upside, the fixed block can block the stopper, the bit that breaks the earth includes bit body and third connector that breaks the earth, third connector fixed connection in bit body upper end breaks the earth, the third connector pass through screw thread fixed connection in bottom in the base section of thick bamboo piece in the third connecting cylinder.

According to some embodiments of the application, the extension cylinder outer wall is provided with first section and send native spiral leaf, the base cylinder outer wall is provided with second section and send native spiral leaf, the earth breaking bit body outer wall is provided with third section and send native spiral leaf, first section send native spiral leaf the second section send native spiral leaf with third section send native spiral leaf to form whole and send native spiral leaf.

According to some embodiments of the application, the self-return cover plate comprises a rotating shaft, a cover plate body and a return torsion spring, wherein the rotating shaft is fixedly connected to one end of the inside of the cover plate groove, the cover plate body is rotationally connected to the rotating shaft, the return torsion spring is sleeved on the rotating shaft, two ends of the return torsion spring are respectively pressed on the cover plate body and the inner side wall of the cover plate groove, and the pretightening force of the return torsion spring can push the cover plate body to be pressed in the cover plate groove.

According to some embodiments of the present application, the sampling tube portion includes waist circle shape groove ring, screw thread erection column, sampling tube and guide block, waist circle shape groove ring sliding connection in on the promotion post, just waist circle shape groove ring can be around promote the post rotation, screw thread erection column fixed connection in the outside front of waist circle shape groove ring, the sampling tube pass through the screw thread cup joint in the screw thread erection column, guide block fixed connection in the outside side of waist circle shape groove ring, guide block sliding connection in the guide bar.

The beneficial effects of this application are: when sampling is carried out, the inner-outer layer power conversion assembly is regulated, the driving assembly is connected with the base barrel part to drive the rotary push-out sampling piece, the driving assembly is started, the driving assembly drives the sampling extension assembly, the base barrel part and the earth breaking drill bit to rotate, earth breaking is carried out through the earth breaking drill bit, the base barrel part and the sampling extension assembly are fed into the ground by applying pressure to the driving assembly, meanwhile, the number of the sampling assemblies is increased along with the deepening of the depth, so that sampling with different depths is carried out, the driving assembly is closed, then the inner-outer layer power conversion assembly is regulated, the driving assembly is connected with the rotary push-out sampling piece to drive the rotary push-out sampling piece, the rotation of the base barrel part is limited, the driving assembly drives the rotary push-out sampling piece to rotate, the sampling part of the rotary push-out sampling piece pushes out the base barrel part to sample, finally, the driving component acts reversely, the sampling part of the rotary push-out sampling piece withdraws back the base barrel part to complete sampling, the sampling component withdraws back one by one, the soil sample in the sampling part of the rotary push-out sampling piece is taken out and collected so as to be convenient for identification, the soil identification sampling device for the underground space carries out the actions of sampling and extending the soil entering of the sampling component and the sampling action conversion of the rotary push-out sampling piece through the inner and outer power conversion component, the inner and outer power conversion component is positioned above the ground so as to be convenient for conversion, and the inner and outer power conversion component carries out conversion so that no corresponding circuit and hydraulic pipeline are arranged in the underground space so as to be convenient for interconnection, and the sampling and extending component and the sampling component carry out long-time rotary soil breaking along with the driving component, the influence of the circuit and the pipeline on the rotation of the sampling assembly is reduced.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an underground space soil texture discriminating sampling apparatus according to an embodiment of the present application;

FIG. 2 is a schematic perspective view of a base assembly according to an embodiment of the present application;

FIG. 3 is a schematic perspective view of a drive assembly and an inner and outer power conversion assembly according to an embodiment of the present application;

FIG. 4 is a schematic perspective view of an inner and outer layer power conversion assembly according to an embodiment of the present application;

FIG. 5 is a schematic perspective view of a drive assembly according to an embodiment of the present application;

FIG. 6 is a schematic perspective view of a limit switch force application member according to an embodiment of the present application;

FIG. 7 is a schematic perspective view of an inner and outer drive transition piece according to an embodiment of the present application;

FIG. 8 is a schematic perspective view of an outer linkage according to an embodiment of the present application;

FIG. 9 is a schematic perspective view of an inner linkage according to an embodiment of the present application;

FIG. 10 is a schematic perspective view of a sample extension assembly according to an embodiment of the present application;

FIG. 11 is a schematic perspective view of a sampling assembly according to an embodiment of the present application;

FIG. 12 is a schematic view of a rotary push-out sampling member according to an embodiment of the present application;

FIG. 13 is a schematic perspective view of a self-retracting cover plate according to an embodiment of the present application;

fig. 14 is a schematic perspective view of a sampling tube according to an embodiment of the present application.

Icon: a 100-base assembly; 110-a weight plate; 120-seat board; 130-a guide plate; 140-ear plates; 150-a guide hole; 160-slide bar; 200-a drive assembly; 210-a movable base plate; 220-a housing; 221-mounting a barrel; 222-top cover; 223-force application handle; 230-a driver; 231-driving a motor; 232-first spline; 240-connecting piece; 241-connecting the base; 242-connecting rods; 243-sliding seat; 250-compressing a stabilizing spring; 260-a sliding groove; 300-an inner-outer layer power conversion assembly; 310-limiting conversion force application piece; 311-force application cylinder; 312-mounting plates; 313-limiting plates; 314-a limit rod; 315-converting handle; 320-inner and outer layer drive conversion members; 321-driving a cylinder; 322-first spline groove; 323-conversion column; 324-second spline; 325-prismatic hole; 330-outer linkage; 331-an outer linkage cylinder; 332-transition grooves; 333-second spline grooves; 334-limit fit plates; 335-a limit groove; 340-inner linkage; 341-inner linkage rod; 342-large prism rod; 343-small prismatic bars; 350-a return spring; 360-a first connecting cylinder; 400-sample extension assembly; 410-an extension cylinder; 420-a first connector; 430-a first linkage shaft; 431-shaft body; 432-inner prismatic sleeves; 433-connecting prisms; 440-a second connecting cylinder; 450-first-stage soil conveying helical blades; 500-sampling assembly; 510-a base cartridge; 511-a base cartridge; 512-a second connector; 513-a third connecting cylinder; 514-self-returning cover plate; 5141-rotation axis; 5142-cover plate body; 5143-return torsion spring; 515-a second linkage shaft; 516-second-stage soil conveying spiral leaves; 520-rotating the push-out sample; 521-rotating plate; 522-push column; 523-sampling barrel portion; 5231-kidney-shaped groove ring; 5232-threaded mounting posts; 5233-sampling cartridge; 5234-guide blocks; 524-guide bar; 525-fixing blocks; 526-a limiting block; 600-earth breaking drill bit; 610-earth-breaking bit body; 620-a third connector; 630-third section of soil feeding spiral leaves.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.

An apparatus for discriminating and sampling soil in a subterranean space according to an embodiment of the present application will be described with reference to the accompanying drawings.

Referring to fig. 1 to 14, an apparatus for distinguishing and sampling soil properties of an underground space according to an embodiment of the present application includes: base assembly 100, drive assembly 200, inner and outer layer power conversion assembly 300, sample extension assembly 400, sample assembly 500, and earth breaking bit 600.

Referring to fig. 1, a driving assembly 200 is slidably connected to a base assembly 100, an inner-outer power conversion assembly 300 is disposed at a lower end of the driving assembly 200, a sampling extension assembly 400 is mounted at a lower end of the inner-outer power conversion assembly 300, the sampling assembly 500 includes a base barrel 510 and a rotary push-out sampling member 520, the rotary push-out sampling member 520 is disposed in the base barrel 510, the base barrel 510 is mounted at a lower end of the sampling extension assembly 400, the rotary push-out sampling member 520 is connected to the sampling extension assembly 400, the sampling assembly 500 is plural, the base barrel 510 of the plural sampling assemblies 500 are connected to each other, the rotary push-out sampling members 520 of the plural sampling assemblies 500 are connected to each other, the inner-outer power conversion assembly 300 controls the driving assembly 200 to drive the base barrel 510 and the rotary push-out sampling member 520, and the earth breaking bit 600 is fixedly connected to a lower end of the base barrel 510 at a bottommost end. During sampling, the inner-outer layer power conversion assembly 300 is regulated, the driving assembly 200 is connected with the base barrel 510 to drive the rotary push-out sampling piece 520, the driving assembly 200 is started, the driving assembly 200 drives the sampling extension assembly 400, the base barrel 510 and the earth breaking drill bit 600 to rotate, the earth breaking drill bit 600 is used for breaking earth, the earth breaking drill bit 600, the base barrel 510 and the sampling extension assembly 400 are fed into the ground by applying pressure to the driving assembly 200, meanwhile, the number of the sampling assemblies 500 is increased along with the deepening of the depth, so that sampling with different depths is carried out, the driving assembly 200 is closed, the inner-outer layer power conversion assembly 300 is regulated again, the driving assembly 200 is connected with the rotary push-out sampling piece 520 to drive the rotary push-out sampling piece 520, the rotation of the base barrel 510 is limited, the driving assembly 200 drives the rotary push-out sampling piece 520 to rotate, the sampling part of the rotary push sampling piece 520 is pushed out of the base barrel 510 for sampling, finally, the driving assembly 200 acts reversely, the sampling part of the rotary push sampling piece 520 is retracted into the base barrel 510 for completing sampling, the sampling assembly 500 is retracted one by one, the soil sample in the sampling part of the rotary push sampling piece 520 is taken out for collecting so as to be convenient for identification, the soil sample identification sampling device for the underground space performs the actions of sampling and soil entering of the sampling assembly and the sampling action conversion of the rotary push sampling piece through the inner and outer power conversion assembly, the inner and outer power conversion assembly is positioned above the ground for convenient conversion, the inner and outer power conversion assembly is used for conversion, no corresponding circuit and hydraulic pipeline are arranged in the underground space, the mutual connection is convenient, the sampling and extension assembly and the sampling assembly perform long-time rotary soil breaking along with the driving assembly, the influence of lines and pipelines on the rotation of the sampling assembly is reduced.

Referring to fig. 2, the base assembly 100 includes a weight plate 110, a seat plate 120, a guide plate 130, an ear plate 140 and a sliding rod 160, the seat plate 120 is fixedly connected to an upper side of the weight plate 110, the ear plate 140 is fixedly connected to a lower side of the guide plate 130, the ear plate 140 is hinged to the seat plate 120, guide holes 150 are formed in the weight plate 110 and the guide plate 130, the seat plate 120 and the ear plate 140 are at least three groups, the seat plate 120 and the ear plate 140 are distributed along a circumference of the guide holes 150, the sliding rod 160 is fixedly connected to an upper side of the guide plate 130, the sliding rod 160 is distributed at equal intervals along a circumference of the guide holes 150, the driving assembly 200 is slidably connected to the sliding rod 160, and the sampling extension assembly 400, the sampling assembly 500 and the earth breaking drill 600 can pass through the guide holes 150. When the base assembly is assembled, the lug plate 140 on the guide plate 130 and the seat plate 120 on the counterweight plate 110 are connected through the pin shaft, the counterweight plate 110 is convenient for a user to apply pressure through self gravity, the running stability of equipment is kept, and when the base assembly is disassembled, the connecting pin shafts of the lug plate 140 and the seat plate 120 are released, so that the counterweight plate 110 can be taken down to be convenient to disassemble. The pilot hole 150 facilitates guiding the sampling extension assembly 400, the sampling assembly 500, and the earth-breaking bit 600.

Referring to fig. 3 to 4, the driving assembly 200 includes a movable base plate 210, a housing 220, a driving member 230, a connecting member 240 and a compression stabilizing spring 250, wherein the movable base plate 210 is slidably connected to the slide bar 160, the housing 220 and the movable base plate 210 are connected through the connecting member 240, the compression stabilizing spring 250 is inserted into the lower end of the housing 220, two ends of the compression stabilizing spring 250 are respectively pressed against the housing 220 and the movable base plate 210, the driving member 230 is fixedly connected inside the housing 220, a sliding groove 260 is formed in the outer wall of the housing 220, the sliding groove 260 is in a reverse L shape, the inner and outer layer power conversion assembly 300 includes a limit conversion force application member 310, an inner and outer layer driving conversion member 320, an outer layer linkage member 330, an inner layer linkage member 340, a return spring 350 and a first connecting cylinder 360, the limit conversion force application member 310 is slidably connected inside the housing 220, and the outer end of the limit conversion force application member 310 can slide along the sliding groove 260, and the outer end of the limit conversion force application member 310 passes through the sliding groove 260, the inner and outer layer driving conversion members 320 are rotatably connected in the limit conversion force application member 310, the outer layer linkage member 330 is rotatably connected at the lower end of the inside of the outer shell 220, the inner layer linkage member 340 is rotatably connected in the outer layer linkage member 330, the first connecting cylinder 360 is fixedly connected at the bottom end of the outer layer linkage member 330, the sampling extension assembly 400 is connected with the first connecting cylinder 360 through threads, the return spring 350 is arranged in the shell 220, the two ends of the return spring 350 are respectively pressed at the bottom ends of the limit conversion force application member 310 and the inside of the shell 220, the upper ends of the inner and outer layer driving conversion members 320 are connected with the driving member 230 through splines, the inner and outer layer driving conversion members 320 can slide along the output end of the driving member 230, the inner and outer layer driving conversion members 320 can respectively and independently control the rotation of the outer layer linkage member 330 and the inner layer linkage member 340, and when the inner and outer layer driving conversion members 320 control the rotation of the inner layer linkage member 340, the limit switch force application member 310 can limit the rotation of the outer layer link 330. By applying downward pressure to the driving member 230 through the housing 220, the housing 220 slides down the slide bar 160, and the direction of breaking the earth is guided by the slide bar 160. The impact force between the housing 220 and the movable base plate 210 is buffered by compressing the stabilizing spring 250. When the driving assembly drives the base barrel, the limit conversion force application member 310 is pushed downwards along the direction of the sliding groove 260, the limit conversion force application member 310 drives the inner and outer layer driving conversion members 320 to slide downwards, the limit conversion force application member 310 slides to the lowest end of the sliding groove 260, the lower end of the reverse L-shaped sliding groove 260 limits the upward return action of the rotation limit conversion force application member 310, the outer wall of the lower end of the inner and outer layer driving conversion member 320 is connected with the outer layer linkage member 330, at the moment, the driving connection between the inner and outer layer driving conversion members 320 and the inner layer linkage member 340 is released, the inner and outer layer driving conversion members 320 can drive the outer layer linkage member 330 to rotate, and the outer layer linkage member 330 drives the sampling extension assembly 400 and the base barrel 510 to rotate. When the driving assembly drives the rotation pushing out the sampling piece, the rotation of the rotation limit conversion force application piece 310 is reversely operated, the rotation limit conversion force application piece 310 is separated from the lower end of the sliding groove 260, the rotation limit conversion force application piece 310 moves upwards to return under the action of the return spring 350, the limit conversion force application piece 310 is inserted into the outer layer linkage piece 330, the limit conversion force application piece 310 limits the rotation of the outer layer linkage piece 330, the driving connection between the inner layer driving conversion piece 320 and the outer layer linkage piece 330 is released, and the inner layer linkage piece 340 is inserted into the inner layer driving conversion piece 320 to be in driving connection. The inner and outer driving switch 320 drives the inner linkage 340 to rotate, and the inner linkage 340 drives the rotary push-out sampling member 520 to rotate.

Referring to fig. 5, the housing 220 includes a mounting cylinder 221, a top cover 222, and a force application handle 223, wherein the top cover 222 is fixedly connected to the top end of the mounting cylinder 221, and the force application handle 223 is fixedly connected to the outer side of the mounting cylinder 221. The driving member 230 is connected to the top cover 222 by bolts, the top cover 222 is mounted on the top end of the mounting cylinder 221 by bolts, and the driving member 230 can be taken out and the components in the mounting cylinder 221 can be mounted after the top cover 222 is detached. And an external force is applied to the mounting cylinder 221 by the force-applying handle 223. The connecting piece 240 comprises a connecting base 241, a connecting rod 242 and a sliding seat 243, wherein the connecting base 241 is fixedly connected to the periphery of the movable base plate 210, the lower end of the connecting rod 242 is rotatably connected to the connecting base 241, the sliding seat 243 is fixedly connected to the outer wall of the housing 220, and the upper end of the connecting rod 242 is slidably connected to the sliding seat 243. When the housing 220 and the movable base plate 210 are connected by the pin shaft, the connection base 241 and the connection rod 242 are connected, and when the housing 220 and the movable base plate 210 are buffered by the compression stabilizing spring 250, the upper end of the connection rod 242 slides along the sliding seat 243.

Referring to fig. 6, the limit switch force applying member 310 includes a force applying cylinder 311, a mounting plate 312, a limit plate 313, a limit rod 314 and a switch handle 315, wherein the mounting plate 312 is fixedly connected to the inside of the upper end of the force applying cylinder 311, the upper end of the inner and outer layer driving switch member 320 is rotatably connected to the mounting plate 312, the limit plate 313 is fixedly connected to the inside of the lower end of the force applying cylinder 311, the limit rod 314 is fixedly connected to the upper side of the limit plate 313, the limit rod 314 can be inserted into the outer layer linkage 330, the limit rod 314 limits the outer layer linkage 330 to rotate, the switch handle 315 is fixedly connected to the outside of the force applying cylinder 311, the switch handle 315 passes through the sliding groove 260, and the switch handle 315 can slide along the sliding groove 260. By applying an external force to the force applying cylinder 311 through the switching handle 315, the force applying cylinder 311 slides along the housing 220, the switching handle 315 slides along the sliding groove 260, the limiting rod 314 on the limiting plate 313 is separated from the outer-layer linkage 330, and the limiting of the rotation of the outer-layer linkage 330 by the limiting rod 314 is released. The mounting plate 312 moves the inner and outer drive transducers 320. The conversion handle 315 slides to the lower end of the sliding groove 260, the force application cylinder 311 is rotated, and the conversion handle 315 is locked into the lower end of the reverse L-shaped sliding groove 260, so that the upward return motion of the force application cylinder 311 is limited.

Referring to fig. 5 to 7, the driving member 230 includes a driving motor 231, a first spline 232 is disposed at an output end of the driving motor 231, the inner and outer driving conversion member 320 includes a driving cylinder 321 and a conversion column 323, the conversion column 323 is fixedly connected to a bottom end of the driving cylinder 321, an outer wall of an upper end of the driving cylinder 321 is rotatably connected to the limiting conversion force application member 310, a first spline groove 322 is disposed inside the driving cylinder 321, the first spline 232 is slidably inserted into the first spline groove 322, a second spline 324 is disposed on an outer wall of the conversion column 323, a prism hole 325 is disposed inside the conversion column 323, the conversion column 323 can drive the outer driving member 330 through the second spline 324, and the conversion column 323 can drive the inner driving member 340 through the prism hole 325. And starting the driving motor 231, wherein the driving motor 231 drives the driving cylinder 321 to rotate through the cooperation of the first spline 232 and the first spline groove 322, the driving cylinder 321 drives the switching column 323, and after the second spline 324 of the switching column 323 is inserted into the outer-layer linkage 330, the switching column 323 drives the outer-layer linkage 330. After the second spline 324 of the shift post 323 exits the outer linkage 330, the inner linkage 340 is inserted into the prismatic hole 325 of the shift post 323, and the shift post 323 drives the inner linkage 340.

Referring to fig. 8, the outer linkage member 330 includes an outer linkage tube 331 and a limit matching plate 334, the limit matching plate 334 is fixedly sleeved on an outer wall of an upper end of the outer linkage tube 331, a transition groove 332 is formed at an upper end of an inner portion of the outer linkage tube 331, a plugging groove is formed at a bottom end of the transition groove 332, a second spline groove 333 is formed in the plugging groove, the inner linkage member 340 rotates to penetrate through a lower end of the inner linkage tube 331, an upper end of the inner linkage member 340 extends into the transition groove 332, a lower end of the inner linkage member 340 extends into the first connecting tube 360, the second spline 324 can be inserted into the second spline groove 333 in the plugging groove, an upper end of the inner linkage member 340 can be inserted into the prismatic hole 325, a limit groove 335 is formed at a periphery of the limit matching plate 334, the limit conversion force application member 310 can be inserted into the limit groove 335, and the limit conversion force application member 310 can limit the outer linkage tube 331 to rotate through the limit groove 335. When the outer linkage 330 is driven by the switching post 323, the limiting rod 314 on the limiting plate 313 leaves the limiting groove 335 on the limiting fitting plate 334, and the limiting of the rotation of the outer linkage 330 by the limiting rod 314 is released. When the switching post 323 drives the inner linkage 340, the limit lever 314 on the limit plate 313 is inserted into the limit groove 335 on the limit fitting plate 334, and the limit lever 314 limits the rotation of the outer linkage 330. External force is applied to the force applying cylinder 311 through the conversion handle 315, the force applying cylinder 311 slides along the shell 220, the mounting plate 312 drives the driving cylinder 321 to move, the conversion column 323 moves along with the driving cylinder 321, the second spline 324 of the conversion column 323 is inserted into the second spline groove 333 in the outer-layer linkage cylinder 331, the conversion column 323 drives the outer-layer linkage cylinder 331, and the outer-layer linkage cylinder 331 drives the sampling extension assembly 400, the base cylinder 510 and the earth breaking drill bit 600 to rotate through the first connecting cylinder 360. The conversion handle 315 leaves the lower end of the sliding groove 260, the force application cylinder 311 returns under the action of the return spring 350, the conversion column 323 moves along with the force application cylinder 311, the second spline 324 of the conversion column 323 leaves the second spline groove 333 in the outer-layer linkage cylinder 331, the inner-layer linkage piece 340 is inserted into the prismatic hole 325 of the conversion column 323, the limiting rod 314 limits the rotation of the outer-layer linkage piece 330, and the conversion column 323 drives the inner-layer linkage piece 340.

Referring to fig. 9, the inner linkage 340 includes an inner linkage rod 341, a large prism rod 342 and a small prism rod 343, the large prism rod 342 and the small prism rod 343 are respectively and fixedly connected to the upper end and the lower end of the inner linkage rod 341, the large prism rod 342 is located in the transition groove 332, the small prism rod 343 is located in the first connecting tube 360, the large prism rod 342 can be inserted into the prism hole 325, and the small prism rod 343 is connected to the sampling extension assembly 400. The large prism rod 342 of the inner-layer link rod 341 is inserted into the prism hole 325 of the conversion column 323, the conversion column 323 drives the inner-layer link rod 341 through the large prism rod 342, and the inner-layer link rod 341 drives the rotation push-out sample member 520 through the small prism rod 343 and through the sample extension assembly 400.

Referring to fig. 10, the sampling extension assembly 400 includes an extension tube 410, a first connector 420, a first linkage shaft 430 and a second connector tube 440, the first connector 420 is fixedly connected to the first connector tube 360 by a screw thread, the second connector tube 440 is fixedly connected to the bottom end of the extension tube 410, the base tube 510 is fixedly connected to the second connector tube 440 by a screw thread, the first linkage shaft 430 includes a shaft body 431, an inner prism tube 432 and a connecting prism 433, the inner prism tube 432 and the connecting prism 433 are respectively fixedly connected to the top end and the bottom end of the shaft body 431, the shaft body 431 rotates to penetrate through the extension tube 410, the inner prism tube 432 and the connecting prism 433 are respectively located in the first connector 420 and the second connector tube 440, the small prism rod 343 is connected to the inner prism tube 432, and the connecting prism 433 is connected to the rotary pushing sample 520. The depth of insertion of the base cartridge 510 into the ground is increased by extending the cartridge 410. The small prism rod 343 of the inner linkage rod 341 is inserted into the inner prism barrel 432 of the first linkage shaft 430, the small prism rod 343 drives the first linkage shaft 430, and the connection prism 433 of the first linkage shaft 430 drives the rotary push-out sampling member 520 to rotate, and sampling is performed by the rotary push-out sampling member 520.

Referring to fig. 11 to 12, in the related art, when the soil quality discriminating and sampling device for the underground space is used for sampling, the side wall of the sampling rod is adopted to push out the soil quality under the wall hanging of the utilization side, and the soil quality is directly collected into the integral sampling rod extending into the ground.

In order to solve the technical problems, the invention further adopts the technical proposal that a base barrel part 510 comprises a base barrel 511, a second connector 512, a third connecting barrel 513, a self-return cover plate 514 and a second connecting barrel 433, wherein the second connector 512 and the third connecting barrel 513 are fixedly connected with the upper end and the lower end of the base barrel 511, the outer wall of the base barrel 511 is provided with a cover plate groove, the outer wall of the base barrel 511 is provided with a sampling hole at the position of the cover plate groove, the self-return cover plate 514 is arranged in the cover plate groove, the self-return cover plate 514 can seal the sampling hole, the second connecting barrel 515 and the first connecting barrel 430 have the same structure, the second connecting barrel 515 rotates and penetrates through the base barrel 511, the inner prismatic barrel 432 and the connecting prismatic barrel 433 of the second connecting barrel 515 are respectively positioned in the second connector 512 and the third connecting barrel 513, a plurality of base barrel parts 510 are mutually connected through the second connector 512 and the third connecting barrel 513, the second coupling shaft 515 inside the plurality of base barrel members 510 is mutually inserted and connected through the connecting prism 433 and the inner prism barrel 432, the rotary push-out sampling member 520 comprises a rotary plate 521, a push post 522, a sampling barrel portion 523, a guide rod 524, a fixing block 525 and a limiting block 526, the rotary plate 521 is fixedly sleeved on the second coupling shaft 515, the push post 522 is fixedly connected to the upper side of the rotary plate 521, the tail of the sampling barrel portion 523 is slidably connected to the push post 522, the tail of the sampling barrel portion 523 can rotate around the push post 522, the guide rod 524 is fixedly connected to the inside of the base barrel 511, the side wall of the tail of the sampling barrel portion 523 is slidably connected to the guide rod 524, the head of the sampling barrel portion 523 is inserted into the sampling hole, the head of the sampling barrel portion 523 can be pushed to be turned over and opened from the return cover plate 514, the fixing block 525 is fixedly connected to the inside of the base barrel 511, the limiting block 526 is fixedly connected to the upper side of the rotary plate 521, the fixing block 525 can block the limiting block 526, earth-boring bit 600 includes earth-boring bit body 610 and third connector 620, third connector 620 being fixedly connected to an upper end of earth-boring bit body 610, third connector 620 being fixedly connected by threads within third connecting drum 513 of bottommost base cartridge 510. Base drum 511 is threaded into second connecting drum 440 of extension drum 410 via threads on second connector 512, and a plurality of base drums 510 are threaded together via second connector 512 and third connecting drum 513, with third connector 620 of earth-breaking bit body 610 being fixedly threaded into third connecting drum 513 of bottommost base drum 510. When the connecting prism 433 of the first linkage shaft 430 drives the rotation to push out the sample piece 520 to act, the first linkage shaft 430 drives the second linkage shaft 515 to rotate, the second linkage shaft 515 rotates, the rotating plate 521 is driven to rotate, the rotating plate 521 pushes the sampling tube part 523 through the pushing post 522, the sampling tube part 523 stretches out of the base tube 511 along the guide rod 524 through the sampling hole, the head of the sampling tube part 523 pushes away the self-return cover plate 514, the self-return cover plate 514 can pull out the interference soil of the soil layer outer surface layer, afterwards, the head of the sampling tube part 523 is inserted into the soil body to sample, the second linkage shaft 515 is turned over, the sampling tube part 523 is driven to retract the base tube 511, when the fixed block 525 blocks the limiting block 526, the self-return cover plate 514 returns to seal the sampling hole, the interference of the sample in the specified depth is reduced by the base tube part 523, the interference of the sample in the specified depth is small, the interference of the outer surface during sampling is pulled out by the self-return cover plate 514, and the interference of the upper and lower layer soil quality is reduced.

Referring to fig. 13, a first section of soil-feeding screw blade 450 is disposed on the outer wall of the extension cylinder 410, a second section of soil-feeding screw blade 516 is disposed on the outer wall of the base cylinder 511, a third section of soil-feeding screw blade 630 is disposed on the outer wall of the breaking bit body 610, and the first section of soil-feeding screw blade 450, the second section of soil-feeding screw blade 516 and the third section of soil-feeding screw blade 630 form the whole soil-feeding screw blade. The whole soil conveying spiral blade is convenient for breaking the soil and conveying the broken soil when breaking the soil. From return apron 514 includes axis of rotation 5141, apron body 5142 and return torsional spring 5143, and axis of rotation 5141 fixed connection is in the inside one end of apron groove, and apron body 5142 rotates to be connected on axis of rotation 5141, and return torsional spring 5143 cup joints on axis of rotation 5141, and the both ends of return torsional spring 5143 compress tightly respectively in apron body 5142 and apron inslot wall, and the pretightning force of return torsional spring 5143 can promote apron body 5142 and compress tightly in the apron inslot. The head of the sampling tube portion 523 pushes the cover plate body 5142, the cover plate body 5142 turns around the rotation shaft 5141, the sampling tube portion 523 withdraws the base tube 511, the cover plate body 5142 returns under the action of the return torsion spring 5143, and the cover plate body 5142 falls back to the cover plate groove.

Referring to fig. 14, the sampling tube portion 523 includes a kidney-shaped slot ring 5231, a threaded mounting post 5232, a sampling tube 5233 and a guide block 5234, wherein the kidney-shaped slot ring 5231 is slidably connected to the pushing post 522, the kidney-shaped slot ring 5231 can rotate around the pushing post 522, the threaded mounting post 5232 is fixedly connected to the front surface of the exterior of the kidney-shaped slot ring 5231, the sampling tube 5233 is sleeved on the threaded mounting post 5232 through threads, the guide block 5234 is fixedly connected to the side surface of the exterior of the kidney-shaped slot ring 5231, and the guide block 5234 is slidably connected to the guide rod 524. After sampling the soil, the sampling tube portion 523 controls the second coupling shaft 515 to rotate, thereby pushing the sampling tube 5233 out of the sampling hole, rotating the sampling tube 5233, sampling the sampling tube 5233 from the screw mounting post 5232, and withdrawing the sample from the sampling tube 5233.

Specifically, the working principle of the soil quality identification sampling device for the underground space is as follows: when sampling is performed, an external force is applied to the force applying cylinder 311 by the switching handle 315, the force applying cylinder 311 slides along the housing 220, the switching handle 315 slides along the sliding groove 260, the switching handle 315 slides to the lower end of the sliding groove 260, the force applying cylinder 311 is rotated, and the switching handle 315 is locked into the lower end of the reverse L-shaped sliding groove 260, so that the upward return motion of the force applying cylinder 311 is restricted. The limit rod 314 on the limit plate 313 leaves the limit groove 335 on the limit matching plate 334, the limit of the limit rod 314 on the rotation of the outer linkage piece 330 is released, the upper end of the force application cylinder 311 drives the driving cylinder 321 to move, the conversion column 323 moves along with the driving cylinder 321, the second spline 324 of the conversion column 323 is inserted into the second spline groove 333 in the outer linkage cylinder 331, the driving motor 231 is started, the driving cylinder 321 is driven to rotate by the driving motor 231 through the cooperation of the first spline 232 and the first spline groove 322, the driving cylinder 321 drives the conversion column 323, the conversion column 323 drives the outer linkage cylinder 331, the outer linkage cylinder 331 drives the extension cylinder 410, the base cylinder 510 and the earth breaking drill 600 to rotate through the first connecting cylinder 360, the earth breaking drill 600 breaks earth through the shell 220, downward pressure is applied to the driving piece 230, the shell 220 slides downwards along the sliding rod 160, the earth breaking direction is guided through the sliding rod 160, the earth breaking drill 600, the base cylinder 510 and the sampling extension assembly 400 are fed into the ground, and simultaneously, the sampling assembly 500 is driven to different depths along with the deepening of the depth, and the sampling assembly 500 are driven to close by the motor 231. Thereafter, the switching handle 315 is controlled to leave the lower end of the sliding groove 260, the force application cylinder 311 returns under the action of the return spring 350, the switching column 323 moves along with the force application cylinder 311, the second spline 324 of the switching column 323 leaves the second spline groove 333 in the outer-layer linkage cylinder 331, the large prism rod 342 of the inner-layer linkage rod 341 is inserted into the prism hole 325 of the switching column 323, the limiting rod 314 on the limiting plate 313 is inserted into the limiting groove 335 on the limiting matching plate 334, the limiting rod 314 limits the rotation of the outer-layer linkage member 330, the driving motor 231 is started, the driving motor 231 drives the large prism rod 342 and the inner-layer linkage rod 341 through the prism hole 325 of the switching column 323, the inner-layer linkage rod 341 drives the shaft body 431, the shaft body 431 drives the rotary push-out sampling member 520 to rotate through the inner prism cylinder 432, the sampling part of the rotary push-out sampling member 520 is pushed out of the sampling part of the base cylinder 510 to sample, and finally, the driving component 200 acts reversely, the sampling part of the rotary push-out sampling piece 520 is retracted to the base barrel 510 to complete sampling, then the sampling components 500 are retracted one by one, soil samples in the sampling part of the rotary push-out sampling piece 520 are taken out and collected so as to be identified, the soil quality identification sampling device for the underground space performs sampling action conversion of the sampling components through the inner and outer layer power conversion components and sampling action conversion of the rotary push-out sampling piece, the inner and outer layer power conversion components are positioned above the ground to be convenient for conversion, and the inner and outer layer power conversion components are used for conversion, so that no corresponding circuit and hydraulic pipeline are arranged in the underground space to be convenient for interconnection, the sampling extension components and the sampling components are used for rotary breaking soil along with the driving component for a long time, and the influence of the circuit and pipeline on the rotation of the sampling components is reduced.

Base drum 511 is threaded into second connecting drum 440 of extension drum 410 via threads on second connector 512, and a plurality of base drums 510 are threaded together via second connector 512 and third connecting drum 513, with third connector 620 of earth-breaking bit body 610 being fixedly threaded into third connecting drum 513 of bottommost base drum 510. When the connection prism 433 of the first linkage shaft 430 drives the rotation to push out the sample piece 520 to act, the first linkage shaft 430 drives the second linkage shaft 515 to rotate, the second linkage shaft 515 rotates, the rotation plate 521 pushes the sampling tube portion 523 through the pushing post 522, the sampling tube portion 523 stretches out of the base tube 511 along the guide rod 524 through the sampling hole, the head of the sampling tube portion 523 pushes the cover plate body 5142, the cover plate body 5142 overturns around the rotation shaft 5141, the cover plate body 5142 dials out the interfering soil on the outer surface layer of the soil layer, thereafter, the head of the sampling tube portion 523 is inserted into the soil body to sample, the second linkage shaft 515 overturns, the sampling tube portion 523 withdraws the base tube 511, after the fixing block 525 blocks the limiting block 526, the cover plate body 5142 returns under the action of the return torsion spring 5143, the cover plate body 5142 falls back to the cover plate groove, the cover plate body 5142 returns to close the sampling hole, the interference of the sample in the base tube 511 is reduced, the local sampling in the designated depth is carried out by the sampling tube portion 523, and the interference of the sample is small in the whole sampling, the soil is subjected to the sampling, the soil in the soil breaking process is set out, and the upper surface layer and the soil layer is mixed with the soil layer in the lower layer is reduced. After sampling the soil, the sampling tube portion 523 controls the second coupling shaft 515 to rotate, thereby pushing the sampling tube 5233 out of the sampling hole, rotating the sampling tube 5233, sampling the sampling tube 5233 from the screw mounting post 5232, and withdrawing the sample from the sampling tube 5233.

It should be noted that, the specific model specification of the driving motor 231 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so the detailed description is omitted.

The power supply of the driving motor 231 and its principle will be apparent to those skilled in the art and will not be described in detail herein.

The above is only an example of the present application, and is not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters designate like items in the drawings, and thus once an item is defined in one drawing, no further definition or explanation thereof is necessary in the subsequent drawings.

Claims (10)

1. The soil texture identification sampling device of underground space, its characterized in that includes:

a base assembly;

the driving assembly is connected to the base assembly in a sliding manner;

the inner-outer layer power conversion assembly is arranged at the lower end of the driving assembly;

The sampling extension component is arranged at the lower end of the inner-outer layer power conversion component;

the sampling assembly comprises a base barrel and a rotary pushing sampling piece, the rotary pushing sampling piece is arranged in the base barrel, the base barrel is arranged at the lower end of the sampling extension assembly, the rotary pushing sampling piece is connected into the sampling extension assembly, the plurality of sampling assemblies are arranged, the base barrel of the sampling assembly is connected with each other, the rotary pushing sampling pieces of the sampling assembly are connected with each other, and the inner-outer layer power conversion assembly controls the driving assembly to respectively drive the base barrel and the rotary pushing sampling piece;

the ground breaking drill bit is fixedly connected to the lower end of the base barrel part at the bottommost end.

2. The underground space soil property identification sampling device according to claim 1, wherein the base assembly comprises a counterweight plate, a seat plate, a guide plate, an ear plate and a slide bar, the seat plate is fixedly connected to the upper side of the counterweight plate, the ear plate is fixedly connected to the lower side of the guide plate, the ear plate is hinged to the seat plate, guide holes are formed in the counterweight plate and the guide plate, the seat plate and the ear plate are at least three groups, the seat plate and the ear plate are distributed along the circumference of the guide holes, the slide bar is fixedly connected to the upper side of the guide plate, the slide bar is distributed at equal intervals along the circumference of the guide holes, the driving assembly is slidably connected to the slide bar, and the sampling extension assembly, the sampling assembly and the earth breaking drill bit can pass through the guide holes.

3. The underground space soil property identification sampling device according to claim 2, wherein the driving assembly comprises a movable base plate, a shell, a driving piece, a connecting piece and a compression stabilizing spring, the movable base plate is slidingly connected to the sliding rod, the shell and the movable base plate are connected through the connecting piece, the compression stabilizing spring is inserted into the lower end of the shell, two ends of the compression stabilizing spring are respectively pressed on the shell and the movable base plate, the driving piece is fixedly connected inside the shell, a sliding groove is formed in the outer wall of the shell, the sliding groove is in an inverse L shape, the inner-outer layer power conversion assembly comprises a limit conversion force application piece, an inner-outer layer power conversion piece, an inner-layer linkage piece, a return spring and a first connecting cylinder, the limit conversion force application piece is slidingly connected inside the shell, the outer end of the limit conversion force application part can slide along the sliding groove, the outer end of the limit conversion force application part penetrates through the sliding groove, the inner layer driving conversion part and the outer layer driving conversion part are rotationally connected in the limit conversion force application part, the outer layer linkage part is rotationally connected to the lower end of the inner part of the shell, the inner layer linkage part is rotationally connected in the outer layer linkage part, the first connecting cylinder is fixedly connected to the bottom end of the outer layer linkage part, the sampling extension assembly is connected to the first connecting cylinder through threads, the return spring is arranged in the shell, the two ends of the return spring are respectively pressed at the limit conversion force application part and the bottom end of the inner part of the shell, the upper end of the inner layer driving conversion part and the outer layer driving conversion part are connected to the driving part through splines, the inner layer driving conversion part and the outer layer driving conversion part can slide along the output end of the driving part, the inner layer driving conversion piece and the outer layer driving conversion piece can respectively and independently control the outer layer linkage piece and the inner layer linkage piece to rotate, and when the inner layer driving conversion piece and the outer layer driving conversion piece control the inner layer linkage piece to rotate, the limiting conversion force application piece can limit the rotation of the outer layer linkage piece.

4. The apparatus of claim 3, wherein the housing comprises a mounting cylinder, a top cover fixedly connected to a top end of the mounting cylinder, and a force application handle fixedly connected to an outer side of the mounting cylinder.

5. The soil texture discriminating sampling apparatus of claim 3, wherein the connecting member comprises a connecting base, a connecting rod and a sliding base, the connecting base is fixedly connected to the periphery of the movable base plate, the lower end of the connecting rod is rotatably connected to the connecting base, the sliding base is fixedly connected to the outer wall of the housing, and the upper end of the connecting rod is slidably connected to the sliding base.

6. The underground space soil property identification sampling device according to claim 3, wherein the limit conversion force application member comprises a force application cylinder, a mounting plate, a limit rod and a conversion handle, wherein the mounting plate is fixedly connected to the inside of the upper end of the force application cylinder, the upper ends of the inner and outer layer driving conversion members are rotatably connected to the mounting plate, the limit plate is fixedly connected to the inside of the lower end of the force application cylinder, the limit rod is fixedly connected to the upper side of the limit plate, the limit rod can be inserted into the outer layer linkage member, the limit rod limits the outer layer linkage member to rotate, the conversion handle is fixedly connected to the outer side of the force application cylinder, the conversion handle penetrates through the sliding groove, and the conversion handle can slide along the sliding groove.

7. The underground space soil property identification sampling device according to claim 3, wherein the driving member comprises a driving motor, a first spline is arranged at the output end of the driving motor, the inner layer driving conversion member and the outer layer driving conversion member comprise a driving cylinder and a conversion column, the conversion column is fixedly connected to the bottom end of the driving cylinder, the outer wall of the upper end of the driving cylinder is rotationally connected to the limiting conversion force application member, a first spline groove is arranged in the driving cylinder, the first spline is slidably inserted into the first spline groove, a second spline is arranged on the outer wall of the conversion column, a prismatic hole is formed in the conversion column, the conversion column can drive the outer layer linkage member through the second spline, and the conversion column can drive the inner layer linkage member through the prismatic Kong Qudong.

8. The underground space soil property identification sampling device according to claim 7, wherein the outer linkage member comprises an outer linkage cylinder and a limit matching plate, the limit matching plate is fixedly sleeved on the outer wall of the upper end of the outer linkage cylinder, a transition groove is formed in the upper end of the inner linkage cylinder, an inserting groove is formed in the bottom end of the transition groove, a second spline groove is formed in the inserting groove, the inner linkage member rotates to penetrate through the lower end of the inner linkage cylinder, the upper end of the inner linkage member extends into the transition groove, the lower end of the inner linkage member extends into the first connecting cylinder, the second spline can be inserted into the second spline groove in the inserting groove, the upper end of the inner linkage member can be inserted into the prismatic hole, a limit groove is formed in the periphery of the limit matching plate, the limit conversion force application member can be inserted into the limit groove, and the limit conversion member can limit the outer linkage cylinder to rotate through the limit groove.

9. The apparatus of claim 8, wherein the inner linkage comprises an inner linkage rod, a large prism rod and a small prism rod, the large prism rod and the small prism rod are fixedly connected to the upper end and the lower end of the inner linkage rod, respectively, the large prism rod is located in the transition groove, the small prism rod is located in the first connecting cylinder, the large prism rod can be inserted into the prism hole, and the small prism rod is connected to the sampling extension assembly.

10. The apparatus according to claim 9, wherein the sampling extension assembly comprises an extension tube, a first connector, a first coupling shaft and a second connector, wherein the first connector is fixedly connected to the first connector by a screw thread, the second connector is fixedly connected to the bottom end of the extension tube, the base tube is fixedly connected to the second connector by a screw thread, the first coupling shaft comprises a shaft body, an inner prism tube and a connecting prism, the inner prism tube and the connecting prism are respectively fixedly connected to the top end and the bottom end of the shaft body, the shaft body rotates to penetrate through the inside of the extension tube, the inner prism tube and the connecting prism are respectively positioned inside the first connector and the second connector, the small prism rod is connected to the inner prism tube, and the connecting prism is connected to the rotary pushing sample.