CN211668814U

CN211668814U - Ground detection device

Info

Publication number: CN211668814U
Application number: CN202020300550.6U
Authority: CN
Inventors: 韩丽娜; 吴昌松; 胡明晓
Original assignee: Sichuan Xingye Geotechnical Engineering Testing Co ltd
Current assignee: Sichuan Xingye Geotechnical Engineering Testing Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-10-13
Anticipated expiration: 2030-03-12

Abstract

The utility model relates to a ground detection device, including the threaded sleeve, its characterized in that: the threaded sleeve is internally threaded with a mounting rod, a soil collector penetrates through the mounting rod, the soil collector comprises a first collecting part, a second collecting part and a third collecting part, and the three soil collectors are arranged in the vertical direction; the second header is located between the first header and the third header; the soil collector is cylindrical, the three soil collectors are all provided with soil collecting cavities, the upper surface of the soil collector is provided with two collecting grooves which penetrate through the side surfaces of the soil collector, and the collecting grooves are communicated with the soil collecting cavities; the bottom of the collecting tank is hinged with an arc-shaped collecting plate, the collecting plate rotates along the hinged position to be attached to the wall of the collecting tank so as to close the soil collector, a linkage component is arranged in the mounting rod, and the collecting plate is unfolded or closed along the hinged position with the collecting tank through the linkage component; the bottom of third portion of gathering is equipped with the drill bit, the utility model has the advantages of accessible single is got native and just can be taken a sample, labour saving and time saving to the soil of the different degree of depth.

Description

Ground detection device

Technical Field

The utility model belongs to the technical field of the technique of prospecting and specifically relates to a ground detection device is related to.

Background

Geological detection is also called geological exploration, and refers to investigation and research activities of surveying and detecting geology through various means and methods, determining a proper bearing stratum, determining a foundation type according to the foundation bearing capacity of the bearing stratum, and calculating foundation parameters. The detection methods used at present mainly include physical detection, magnetic exploration, electrical exploration, seismic exploration, radioactive exploration and the like, and are used for detecting physical properties such as density, magnetism, electric property, elasticity, radioactivity and the like of various rocks and ores so as to obtain geophysical prospecting data.

The existing Chinese patent with the authorization publication number of CN207066776U discloses a rock soil detection device, which comprises an outer sleeve and a soil sampling pipe arranged in the outer sleeve, wherein a screw rod is arranged on one side, back to the ground, of the soil sampling pipe, a threaded sleeve is arranged at the joint of the outer sleeve and the screw rod, and a driving device for driving the screw rod to lift in the outer sleeve is arranged at the top of the threaded sleeve. The soil sampler has light dead weight, small volume, compact structure, simple use, reasonable stress, high soil sampling efficiency, better technical performance, convenient disassembly and transportation, convenient maintenance and high cost performance; the sampling device can be widely applied to the fields of geotechnical engineering scientific research, teaching practice and production, can better solve the problem of sampling the undisturbed state of soft strip-shaped soil such as slipperiness soil and the like, and can also be used for sampling the undisturbed soil sample of a general field geological section to meet the requirements of geotechnical engineering scientific research and production.

The above prior art solutions have the following drawbacks: when the rock soil detection device is used for soil sampling analysis, the soil at different depths in a cylinder area is sampled repeatedly, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a ground detection device, its advantage is accessible single fetches earth and just can take a sample labour saving and time saving to the soil of the different degree of depth.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a ground detection device, includes threaded sleeve, its characterized in that: the threaded sleeve is internally threaded with an installation rod, a soil collector penetrates through the installation rod, the soil collector comprises a first collecting part, a second collecting part and a third collecting part, and the three soil collectors are arranged in the vertical direction; the second header is located between the first header and the third header; the soil collector is cylindrical, soil collecting cavities are formed in the three soil collectors, two collecting grooves penetrating through the side faces of the soil collector are formed in the upper surface of the soil collector, and the collecting grooves are communicated with the soil collecting cavities; the bottom of collecting vat articulates there is curved collecting plate, thereby the collecting plate rotates to the cell wall laminating with the collecting vat along articulated department and makes soil collector closed, be equipped with the interlock subassembly in the installation pole, through the interlock subassembly makes the collecting plate expand or be closed along articulated department with the collecting vat.

Through adopting above-mentioned technical scheme, first collection portion, second collection portion and third collection portion are according to vertical arrangement, and the in-process of getting soil is respectively to the soil of the different depths that first collection portion, second collection portion and third collection portion are located and is sampled. The threaded sleeve is in threaded connection with the mounting rod, and when the mounting rod is rotated, the drill bit below the third collecting part is driven downwards, so that the whole device moves downwards to the soil. The collecting plate can be followed and rotated with the articulated department of collecting vat, and the collecting plate that the arc set up forms the angle of slope with the collector when extending, can scrape soft earth on the pore wall of ground drilling when upwards mentioning the installation pole, makes it get into along the collecting plate of slope and collects the vallecular cavity in, the soil collection cavity is used for collecting the soil sample. When the collection of the soil sample is finished, the collecting plate is rotated to be attached to the side wall of the soil collector, and the soil is prevented from leaking. The linkage assembly enables the collecting plate to be attached to or extend from the groove wall of the collecting groove.

The present invention may be further configured in a preferred embodiment as: the linkage assembly comprises a linkage rod, the top end of the mounting rod is provided with a linkage groove, the linkage groove is arranged along the length direction of the linkage rod, and the linkage rod is connected in the linkage groove in a sliding manner; the fixed rod is connected with three go-between on the trace, and is three the go-between is located three soil collection intracavity respectively, it has two connecting rods to articulate on the go-between, the connecting rod other end articulates in the one side that the collecting board is close to the trace, the spread groove that supplies connecting plate pivoted is seted up to the side of installation pole, be equipped with on the installation pole and carry out the mounting fixed to sliding of trace.

Through adopting above-mentioned technical scheme, the interlock groove supplies the trace to slide along vertical direction wherein, when the trace slided from top to bottom in the interlock inslot, fixed connection's go-between reciprocated on the trace to make the pin joint of connecting rod and go-between reciprocate, the pin joint position of connecting rod and collection board is motionless, has realized that reciprocating through the trace drives the collection board and has rotated, and the collection board is at the position that the rotation state in-process can be removed to laminating with the collecting vat or extend. The spread groove supplies the connecting rod constantly to slide at the in-process that removes, and the mounting is fixed the sliding of trace, has realized the spacing that slides from top to bottom to the trace.

The present invention may be further configured in a preferred embodiment as: the fixing piece comprises a fixing column, a handle is fixedly connected to the end portion of the mounting rod, a mounting block is connected to the fixing rod on the handle, a sliding hole is formed in the side face of the mounting block, the fixing column is connected to the inside of the sliding hole in a sliding mode, a linkage groove extends out of the top end of the linkage rod, a plurality of fixing grooves are formed in the side face of the linkage rod, and the fixing column is in inserting fit with the fixing grooves.

Through adopting above-mentioned technical scheme, the handle makes things convenient for operating personnel to rotate the installation pole and makes the installation pole rotate. The sliding hole supplies the fixed column to slide in it, when the fixed column inserts in the fixed slot, has realized the gliding spacing of trace to it is fixed with the trace.

The present invention may be further configured in a preferred embodiment as: the sliding groove is internally provided with a return spring, two ends of the return spring are respectively connected to the hole wall of the sliding hole and the side surface of the fixing column, and when the return spring is in a natural state and the end part, close to the fixing groove, of the fixing column is aligned with the fixing groove, the fixing column is inserted into the fixing groove.

Through adopting above-mentioned technical scheme, reset spring plays the answer effect to the fixed column, and under reset spring's restoring force, the fixed column has the trend that the trace moves to the trace orientation, shifts out the tip of fixed column from the fixed slot, can adjust the trace, sends out the fixed column, and under reset spring's restoring force effect, the fixed column is inserted and is realized fixing in the fixed slot. The fixing of the linkage rod is more convenient.

The present invention may be further configured in a preferred embodiment as: the articulated shaft of collecting plate and collecting vat is equipped with the torsional spring on the cover, works as when the torsional spring is in natural state, the collecting plate is located the collecting vat.

Through adopting above-mentioned technical scheme, the torsional spring provides the restoring force for the collecting plate, under the restoring force of torsional spring, when not fixing the trace, the torsional spring can make the collecting plate reply to with the collecting vat laminating, be convenient for make the drill bit bore downwards.

The present invention may be further configured in a preferred embodiment as: the soil collector comprises a soil collecting part and a storage part, the soil collecting cavity is positioned in the storage part, and the soil collecting part and the storage part are both separated sleeves; the mounting rod comprises a threaded part and a rotating part, the threaded part is positioned above the first collecting part, and the threaded part is in threaded connection with the threaded sleeve; a rotating part is arranged below the mounting rod provided with the external thread; the soil collecting part is fixedly connected with the rotating part, the storage part comprises a flexible inner sleeve, a storage cylinder and a flexible plate, the flexible inner sleeve is sleeved on the rotating part, and the flexible inner sleeve is rotatably connected with the rotating part; the flexible inner sleeve and the storage cylinder are both provided with openings, and the flexible plate is fixedly connected to the openings of the flexible inner sleeve and the storage cylinder.

Through adopting above-mentioned technical scheme, the portion of gathering soil is used for realizing the collection sampling to soil, and the storage unit is used for the soil sample of storage collection. The external thread on the screw thread portion realizes that the interlock rotating screw thread portion makes whole drilling downwards, and rotation portion drives soil collection portion when screw thread portion rotates and rotates. The storage part can be moved along the flexible plate, so that the flexible plate deforms, the storage part is moved out from the opening on the flexible inner sleeve and the storage cylinder, the storage part is convenient to detach, and the storage part is detached after soil sampling is finished.

The present invention may be further configured in a preferred embodiment as: a rotating groove is formed in the side face of the storage cylinder and is positioned on one side of the opening of the storage cylinder; the other side of the opening of the storage cylinder is provided with a plug-in groove, a plug-in board is hinged in the rotating groove, and the plug-in board is in plug-in fit with the plug-in groove.

By adopting the technical scheme, the storage part is fixed by the insertion matching of the insertion plate and the insertion groove, and the condition that the storage part falls off from the rotating part is reduced.

The present invention may be further configured in a preferred embodiment as: the circular diameter of the top end of the drill bit is smaller than the diameter of the soil collector.

Through adopting above-mentioned technical scheme, the drill bit makes the soil of drilling hole lateral wall not hard up at the in-process that moves of drilling downwards, and the collecting plate of being convenient for is scraped and is made earth fall into soil collecting cavity.

To sum up, the utility model discloses a following at least one useful technological effect:

the first collecting part, the second collecting part and the third collecting part can respectively sample the soil with different depths in the same area, and the soil sampling and collection are realized by scraping the soil on the side wall of the drilled hole after the collecting plate is unfolded, so that the collection times are reduced compared with the multiple collection of the soil, and the time and the labor are saved;

the linkage assembly can realize the attachment and separation of the collecting plate and the collecting tank by pulling the linkage rod, so that the collecting plate can be conveniently unfolded or folded.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic cross-sectional view of the first header according to the present invention;

fig. 3 is a schematic sectional structure diagram of the mounting block of the present invention.

Reference numerals: 1. a threaded sleeve; 101. a support pillar; 102. a thread plate; 2. mounting a rod; 201. a threaded portion; 202. a rotating part; 3. a soil collector; 301. a first header; 302. a second header; 303. a third header; 4. a soil collection cavity; 5. collecting tank; 6. a collection plate; 7. a drill bit; 8. a linkage rod; 9. a linking groove; 10. a connecting ring; 11. a connecting rod; 12. connecting grooves; 13. fixing a column; 14. a handle; 15. mounting blocks; 16. a slide hole; 17. fixing grooves; 18. a return spring; 19. a torsion spring; 20. a soil collecting part; 21. a storage unit; 211. a flexible inner sleeve; 212. a storage cylinder; 213. a flexible board; 22. a rotating groove; 23. inserting grooves; 24. a plugboard.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a ground detection device, including threaded

sleeve

1, 1 female connection of threaded sleeve has installation pole 2, and threaded sleeve 1 includes support column 101 and thread plate 102, sets up the screw hole that supplies installation pole 2 screw in on the thread plate 102, and the screw hole cooperates with the external screw thread on the installation pole 2. When sampling soil, place support column 101 to with ground butt, put into the drilling of beating with ground detection device. Rotating the mounting rod 2 causes the mounting rod 2 to move downwardly along the threaded bore in the threaded rod.

Three soil collectors 3 penetrate through the mounting rod 2, each soil collector 3 comprises a first collecting part 301, a second collecting part 302 and a third collecting part 303, and the three soil collecting parts 20 are arranged in the vertical direction; the second collecting part 302 is located between the first collecting part 301 and the third collecting part 303, and the three soil collectors 3 can sample the soil with different depths, so that the soil samples with three different depths can be collected through one-time sampling.

The soil collector 3 is cylindrical, two collecting grooves 5 penetrating through the side face of the soil collector 3 are formed in the upper surface of the soil collector 3, and the collecting grooves 5 are communicated with the soil collecting cavity 4; the bottom of collecting vat 5 articulates there is curved collecting plate 6, thereby collecting plate 6 rotates to the cell wall laminating with collecting vat 5 along articulated department and makes soil collector 3 closed, is equipped with the interlock subassembly in the installation pole 2, makes collecting plate 6 expand or be closed along the articulated department with collecting vat 5 through the interlock subassembly.

When the collecting plate 6 is closed, the handle 14 is rotated to lead the first collecting part 301, the second collecting part 302 and the third collecting part 303 to be screwed into the drilled soil hole, and in the process of rotating the drill bit 7 to lead the drill bit to drill downwards to the soil layer, the collecting plate 6 is attached to the collecting tank 5, thus leading the soil not to enter; when the collecting plate 6 is unfolded, the handle 14 is rotated upwards to enable the whole body to move upwards, the collecting plate 6 scrapes the side wall of the soil hole to enable soil to enter, and therefore sampling and collecting of the soil at different depths are achieved. Soil collecting cavities 4 are formed in the three soil collectors 3, and the soil collecting cavities 4 are used for collecting soil samples scraped and falling by the collecting plates 6.

The cover is equipped with torsional spring 19 on the articulated shaft of collecting plate 6 and collecting vat 5, and when torsional spring 19 was in natural state, collecting plate 6 was located collecting vat 5, and torsional spring 19 provides the restoring force for collecting plate 6, and under the restoring force of torsional spring 19, when not fixing to trace 8, torsional spring 19 can make collecting plate 6 reply to and laminate with collecting vat 5, is convenient for make drill bit 7 bore downwards.

The bottom fixedly connected with drill bit 7 of third portion 303 that gathers, drill bit 7 are coniform to drive drill bit 7 when making installation pole 2 rotate and move downwards, the circular diameter on drill bit 7 top is less than the diameter of soil collector 3, and drill bit 7 makes the soil of drilling hole lateral wall not hard up at the in-process that moves downwards, and the collecting board 6 of being convenient for is scraped and is made earth fall into soil collecting cavity 4.

Referring to fig. 2, the linkage assembly includes a linkage rod 8, a linkage groove 9 is formed at the top end of the mounting rod 2, the linkage groove 9 is arranged along the length direction of the linkage rod 8, and the linkage rod 8 is slidably connected in the linkage groove 9; the dead lever is connected with three go-between 10 on the trace 8, and three go-between 10 is located three soil collecting cavity 4 respectively, and it has two connecting rods 11 to articulate on the go-between 10, and the connecting rod 11 other end articulates in one side that collecting plate 6 is close to trace 8, and supply connecting plate pivoted spread groove 12 is seted up to the side of installation pole 2, is equipped with on the installation pole 2 to carry out the fixed mounting to sliding of trace 8.

The soil collector 3 comprises a soil collecting part 20 and a storage part 21, the soil collecting cavity 4 is positioned in the storage part 21, and the soil collecting part 20 and the storage part 21 are both separated sleeves; the mounting rod 2 comprises a threaded part 201 and a rotating part 202, the threaded part 201 is positioned above the first collecting part 301, and the threaded part 201 is in threaded connection with the threaded sleeve 1; a rotating part 202 is arranged below the mounting rod 2 provided with the external thread; soil collector 3 and rotation portion 202 fixed connection, when rotation portion 202 rotates, drive and its fixed connection's soil collector 3 and rotate, when collecting plate 6 expandes, soil collector 3 rotates and scrapes the earth of lateral wall and makes it fall into the sampling of collection intracavity realization to soil.

The storage part 21 comprises a flexible inner sleeve 211, a storage cylinder 212 and a flexible plate 213, the flexible inner sleeve 211 is sleeved on the rotating part 202, and the flexible inner sleeve 211 is rotatably connected with the rotating part 202; openings are formed in both the flexible inner sleeve 211 and the storage cylinder 212, and the flexible plate 213 is fixedly connected to the openings of the flexible inner sleeve 211 and the storage cylinder 212. The flexible inner sleeve 211, the storage cylinder 212 and the flexible plate 213 enable the detachable connection of the storage part 21.

When dismantling storage unit 21, drag storage cylinder 212 to the opening part removal, under the power of dragging, flexible inner sleeve 211 produces deformation, drives flexible sheet 213 and produces deformation to make storage unit 21 wholly break away from rotation portion 202, thereby realized the connection of dismantling of storage unit 21. After collecting soil and finishing, workman's accessible is manual takes off storage unit 21 from installation pole 2, has realized accomodating the soil of gathering to the quick dismantlement of storage unit 21.

The side surface of the storage cylinder 212 is provided with a rotating groove 22, and the rotating groove 22 is positioned at one side of the opening of the storage cylinder 212; the other side of the opening of the storage cylinder 212 is provided with a plug groove 23, a plug plate 24 is hinged in the rotating groove 22, and the plug plate 24 is in plug fit with the plug groove 23. When the inserting plate 24 and the inserting groove 23 are inserted and matched, the inserting plate 24 limits the storage part 21 to be separated, the storage part 21 is prevented from being separated from the mounting rod 2, and the storage part 21 is fixed. When the storage part 21 is detached, the insertion plate 24 is removed from the insertion groove 23, so that the storage part 21 can be taken out, and the convenient detachable connection can be realized.

Referring to fig. 3, the fixing member includes a fixing post 13, and a handle 14 is fixedly connected to an end of the mounting rod 2, and the handle 14 facilitates an operator to rotate the mounting rod 2. The dead lever is connected with installation piece 15 on the handle 14, and sliding hole 16 has been seted up to installation piece 15 side, and fixed column 13 sliding connection is in sliding hole 16, and interlock groove 9 is stretched out on the top of trace 8, and a plurality of fixed slots 17 have been seted up to trace 8 side, and fixed column 13 is pegged graft with fixed slot 17 and is cooperated. When the end of the fixed column 13 is inserted into the fixed groove 17, the fixed column 13 limits the up-and-down movement of the linkage rod 8, and the fixation of the linkage rod 8 is realized.

A return spring 18 is arranged in the sliding groove, two ends of the return spring 18 are respectively connected to the hole wall of the sliding hole 16 and the side surface of the fixed column 13, and when the return spring 18 is in a natural state and the end part of the fixed column 13 close to the fixed groove 17 is aligned with the fixed groove 17, the fixed column 13 is inserted into the fixed groove 17. The return spring 18 is arranged to facilitate the fixing of the fixed column 13 to the linkage plate.

The implementation principle of the embodiment is as follows: turning the handle 14 causes the screw portion 201 to drill downward along with the screw sleeve, thereby causing the first set portion 301, the second set portion 302 and the third set portion 303 to drill into the hole, and pulling the linkage rod 8 upward to cause the linkage rod 8 to move upward along the linkage groove 9. Bringing the connecting ring 10 on the trace 8 upwards, so that the collecting plate 6 is spread along the collecting trough 5. When the drill bit 7 drills to a specified depth, the handle 14 is kicked upwards, the collecting plate 6 scrapes soil on the side wall of the hole to enable the soil to fall into the soil collecting cavity 4, and meanwhile soil sampling is conducted on the first collecting part 301, the second collecting part 302 and the third collecting part 303.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a ground detection device, includes threaded sleeve (1), its characterized in that: the mounting rod (2) is connected to the threaded sleeve (1) in an internal thread mode, the soil collector (3) penetrates through the mounting rod (2), the soil collector (3) comprises a first collecting portion (301), a second collecting portion (302) and a third collecting portion (303), and the three soil collectors (3) are arranged in the vertical direction; the second header (302) is located between the first header (301) and the third header (303); the soil collector (3) is cylindrical, soil collecting cavities (4) are formed in the three soil collectors (3), two collecting grooves (5) penetrating through the side faces of the soil collectors (3) are formed in the upper surface of each soil collector (3), and the collecting grooves (5) are communicated with the soil collecting cavities (4); the bottom of the collecting tank (5) is hinged with an arc-shaped collecting plate (6), the collecting plate (6) rotates along a hinged position to be attached to the wall of the collecting tank (5) so as to close the soil collector (3), a linkage component is arranged in the mounting rod (2), and the collecting plate (6) is unfolded or closed along the hinged position with the collecting tank (5) through the linkage component; the bottom of the third collecting part (303) is provided with a drill bit (7).

2. The geotechnical detection device according to claim 1, characterized in that: the linkage assembly comprises a linkage rod (8), a linkage groove (9) is formed in the top end of the mounting rod (2), the linkage groove (9) is arranged along the length direction of the linkage rod (8), and the linkage rod (8) is connected in the linkage groove (9) in a sliding mode; the utility model discloses a soil collection device, including installation pole (2), dead lever, go up the dead lever on trace (8) and be connected with three go-between (10), it is three go-between (10) are located three soil collection chamber (4) respectively go-between (10), go-between (10) go up to articulate there are two connecting rods (11), the connecting rod (11) other end articulates in one side that collection board (6) are close to trace (8), supply connecting plate pivoted spread groove (12) have been seted up to the side of installation pole (2), be equipped with on installation pole (2) and carry out fixed mounting to sliding of trace (8).

3. The geotechnical detection device according to claim 2, characterized in that: the fixing piece comprises a fixing column (13), a handle (14) is fixedly connected to the end portion of the mounting rod (2), a mounting block (15) is connected to a fixing rod on the handle (14), a sliding hole (16) is formed in the side face of the mounting block (15), the fixing column (13) is connected to the inside of the sliding hole (16) in a sliding mode, a linkage groove (9) is extended out of the top end of the linkage rod (8), a plurality of fixing grooves (17) are formed in the side face of the linkage rod (8), and the fixing column (13) is in inserting fit with the fixing grooves (17).

4. The rock-soil detecting device according to claim 3, characterized in that: the sliding groove is internally provided with a return spring (18), two ends of the return spring (18) are respectively connected to the hole wall of the sliding hole (16) and the side surface of the fixing column (13), and when the return spring (18) is in a natural state and the end part, close to the fixing groove (17), of the fixing column (13) is aligned with the fixing groove (17), the fixing column (13) is inserted into the fixing groove (17).

5. The geotechnical detection device according to claim 1, characterized in that: the articulated shaft of collecting plate (6) and collecting vat (5) is gone up the cover and is equipped with torsional spring (19), works as torsional spring (19) are in when natural state, collecting plate (6) are located collecting vat (5).

6. The geotechnical detection device according to claim 1, characterized in that: the soil collector (3) comprises a soil collecting part (20) and a storage part (21), the soil collecting cavity (4) is positioned in the storage part (21), and the soil collecting part (20) and the storage part (21) are both separated sleeves; the mounting rod (2) comprises a threaded part (201) and a rotating part (202), the threaded part (201) is positioned above the first collecting part (301), and the threaded part (201) is in threaded connection with the threaded sleeve (1); a rotating part (202) is arranged below the mounting rod (2) provided with the external thread; the soil collecting part (20) is fixedly connected with the rotating part (202), the storage part (21) comprises a flexible inner sleeve (211), a storage cylinder (212) and a flexible plate (213), the flexible inner sleeve (211) is sleeved on the rotating part (202), and the flexible inner sleeve (211) is rotatably connected with the rotating part (202); the flexible inner sleeve (211) and the storage cylinder (212) are respectively provided with an opening, and the flexible plate (213) is fixedly connected to the openings of the flexible inner sleeve (211) and the storage cylinder (212).

7. The geotechnical detection device according to claim 6, characterized in that: a rotating groove (22) is formed in the side surface of the storage cylinder (212), and the rotating groove (22) is located on one side of the opening of the storage cylinder (212); a plug-in groove (23) is formed in the other side of the opening of the storage cylinder (212), a plug-in board (24) is hinged in the rotating groove (22), and the plug-in board (24) is in plug-in fit with the plug-in groove (23).

8. The geotechnical detection device according to claim 1, characterized in that: the circular diameter of the top end of the drill bit (7) is smaller than the diameter of the soil collector (3).