CN218937823U

CN218937823U - Soil sampling device

Info

Publication number: CN218937823U
Application number: CN202222702679.1U
Authority: CN
Inventors: 文美霞; 杨涛; 熊志涛; 宋渊; 罗莉威; 王芳; 任达; 杨颖�
Original assignee: Hubei Geological Environment Station
Current assignee: Hubei Geological Environment Station
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-04-28
Anticipated expiration: 2032-10-12

Abstract

The utility model provides a soil sampling device, and relates to the field of geological disaster prevention and control monitoring; the soil sampling device includes: the device comprises a first sleeve, a second sleeve and a sampling mechanism; the sampling mechanism is movably arranged in the first sleeve; the sampling mechanism comprises a sampling tube, a discharging component and a protection tube; the discharging component penetrates through the top of the sampling tube and is used for pushing out the soil sample in the sampling tube to the outside; the protection cylinder is detachably arranged at the top of the sampling cylinder and is used for being covered outside the discharging assembly; the second sleeve is detachably arranged on the top of the first sleeve and is coaxially arranged with the first sleeve; a heavy hammer is movably arranged in the second sleeve and used for striking the protection cylinder; the side wall of the second sleeve is provided with a guide slot hole which is arranged along the axial direction of the second sleeve; a deflector rod is arranged on the side wall of the heavy hammer and extends to the outside of the second sleeve through the guide slotted hole; the utility model can effectively collect soil samples.

Description

Soil sampling device

Technical Field

The utility model relates to the field of geological disaster monitoring, in particular to a soil sampling device.

Background

Geological disasters are formed under the action of natural or human factors and mainly comprise collapse, landslide, debris flow, karst ground collapse, ground cracks and the like, so that the life and property safety of people are seriously threatened. The geological disaster prevention and control regulation in China prescribes the following five main legal systems: 1. a geological disaster investigation system; 2. a geological disaster forecasting system; 3. engineering construction geological disaster risk assessment system for geological disaster susceptible areas; 4. performing a qualification management system on units engaged in geological disaster risk assessment; 5. the three-simultaneous system of the geological disaster management project matched with the construction project.

From the above, it can be known that the monitoring of the prevention and control of the geological disaster is extremely wide in range, including investigation of the geological disaster, evaluation of the risk of the geological disaster in the engineering construction of the area where the geological disaster is likely to occur, and the like, and soil sampling is indispensable in the investigation and evaluation process. Specifically, when a geological disaster is investigated in detail, after soil sampling, geotechnical tests to be performed include density, water content test, saturation slow shear test, repeated direct shear strength test and the like.

Soil sampling typically employs a soil sampler, and the sampling process includes three processes of inserting the sampler into the soil, removing the sampler from the soil, and obtaining a soil sample. However, the existing soil sampler is mostly manually inserted into soil and taken out from the soil, and then the soil sample is manually separated from the sampler, so that the collection efficiency is low, the integrity of the soil sample cannot be guaranteed, and therefore the soil sample cannot be effectively collected.

Disclosure of Invention

The utility model aims to provide a soil sampling device which can effectively collect soil samples.

The utility model provides a soil sampling device, comprising: the device comprises a first sleeve, a second sleeve and a sampling mechanism;

the sampling mechanism is movably arranged in the first sleeve; the sampling mechanism comprises a sampling cylinder, a discharging component and a protection cylinder; the sampling tube is of a hollow structure with an opening at the bottom; the discharging component penetrates through the top of the sampling tube and is used for pushing out the soil sample in the sampling tube to the outside; the protection cylinder is detachably arranged at the top of the sampling cylinder and is used for being covered outside the discharging assembly;

the second sleeve is detachably arranged on the top of the first sleeve and is coaxially arranged with the first sleeve; a heavy hammer is movably arranged in the second sleeve and used for striking the protection cylinder; the side wall of the second sleeve is provided with a guide slot hole, and the guide slot hole is arranged along the axial direction of the second sleeve; the side wall of the heavy hammer is provided with a deflector rod which extends to the outside of the second sleeve through the guide slotted hole.

Further, a threaded through hole is formed in the top of the sampling tube; the discharging assembly comprises a screw rod, and a pushing plate and a hand wheel which are respectively arranged at two ends of the screw rod; the screw rod is arranged in the threaded through hole in a penetrating way and is in threaded connection with the sampling tube; the push plate is positioned in the sampling tube; the hand wheel is positioned in the protection cylinder.

Further, a first threaded connection part is arranged at the top of the sampling tube; the protection cylinder is in threaded connection with the first threaded connection part.

Further, a bayonet communicated with the guide slotted hole is arranged on the side wall of the second sleeve; the bayonet is matched with the deflector rod and used for limiting the position of the heavy hammer in the second sleeve.

Further, a second threaded connection is arranged at the bottom of the second sleeve; the second sleeve is in threaded connection with the first sleeve through the second threaded connection.

Further, a limiting groove is formed in the inner side wall of the first sleeve, and the limiting groove is formed in the axial direction of the first sleeve; correspondingly, a limiting block matched with the limiting groove for use is arranged on the outer side wall of the protection cylinder; the sampling mechanism is matched with the limiting groove through the limiting block, and the sampling mechanism is movably arranged in the first sleeve.

Further, an annular bottom plate is arranged on the outer side of the lower end of the first sleeve.

Further, the bottom of the annular bottom plate is provided with ground nails.

Further, a sealing cover is arranged at the top of the second sleeve.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the soil sampling device comprises a first sleeve, a second sleeve and a sampling mechanism; the sampling mechanism comprises a sampling tube, a discharging assembly and a protection tube; the discharging component penetrates through the top of the sampling tube and is used for pushing out a soil sample in the sampling tube; the protection cylinder is arranged at the top of the sampling cylinder and is used for being covered outside the discharging assembly; the sampling mechanism is movably arranged in the first sleeve; the second sleeve is arranged at the top of the first sleeve, and a heavy hammer for striking the protection cylinder is movably arranged in the second sleeve; when sampling is carried out, the sampling mechanism is placed in the first sleeve, the heavy hammer is released after moving to the top of the second sleeve, and the heavy hammer freely falls down under the action of gravity and impacts the protection cylinder, so that the sampling cylinder is inserted into soil; and then taking out the sampling mechanism filled with the soil sample, taking down the protection cylinder, and pushing out the soil sample in the sampling cylinder through the discharging assembly, so that the soil sample is collected.

Drawings

FIG. 1 is a schematic perspective view of a soil sampling apparatus according to an embodiment of the present utility model;

FIG. 2 is another perspective view of the soil sampling apparatus of FIG. 1;

FIG. 3 is a schematic view of an exploded view of the soil sampling device of FIG. 1;

fig. 4 is a schematic perspective view of a first sleeve 1 in the soil sampling apparatus of fig. 3;

fig. 5 is a top view of the first sleeve 1 of fig. 4;

fig. 6 is a schematic view of a cross-sectional structure in A-A direction of the first sleeve 1 of fig. 5;

FIG. 7 is a schematic perspective view of the second sleeve 3 of the soil sampling apparatus of FIG. 3;

FIG. 8 is a schematic perspective view of the weight 4 of the soil sampling device of FIG. 3;

FIG. 9 is a schematic perspective view of the sampling mechanism 2 of the soil sampling apparatus of FIG. 3;

FIG. 10 is a schematic diagram of an exploded view of the sampling mechanism 2 of FIG. 9;

FIG. 11 is a schematic view of the combination of the discharge assembly 22 and the sampling tube 23 of FIG. 10;

1, a first sleeve; 11. a limit groove; 12. an annular bottom plate; 13. ground nails; 2. a sampling mechanism; 21. a protective cylinder; 211. a limiting block; 22. a discharge assembly; 221. a hand wheel; 222. a screw rod; 223. a push plate; 23. a sampling tube; 231. a second threaded connection; 232. a threaded through hole; 3. a second sleeve; 31. a cover; 32. a bayonet; 33. a guide slot; 34. a first threaded connection; 4. a heavy hammer; 41. a deflector rod.

Detailed Description

Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 3, 6 to 8, 10 and 11, an embodiment of the present utility model provides a soil sampling apparatus, including: a first sleeve 1, a second sleeve 3 and a sampling mechanism 2;

the sampling mechanism 2 is movably arranged in the first sleeve 1; the sampling mechanism 2 comprises a sampling cylinder 23, a discharging assembly 22 and a protection cylinder 21; the sampling tube 23 is a hollow structure with an opening at the bottom and is used for filling soil samples; the discharging component 22 is arranged at the top of the sampling tube 23 in a penetrating way and is used for pushing out the soil sample in the sampling tube 23 to the outside; the protection cylinder 21 is detachably arranged at the top of the sampling cylinder 23 and is used for being covered outside the discharging assembly 22; the upper end of the protection cylinder 21 is closed, and the lower end is opened;

the second sleeve 3 is detachably arranged on the top of the first sleeve 1 and is coaxially arranged with the first sleeve 1; a heavy hammer 4 is movably arranged in the second sleeve 3 and used for striking the protection cylinder 21; the side wall of the second sleeve 3 is provided with a guide slot hole 33, and the guide slot hole 33 is arranged along the axial direction of the second sleeve 3; the top of the second sleeve 3 is provided with a cover 31; the cover 31 is in threaded connection with the second sleeve 3; the side wall of the heavy hammer 4 is provided with a deflector rod 41, and the deflector rod 41 extends to the outside of the second sleeve 3 through the guide slotted hole 33.

Referring to fig. 10, in order to facilitate pushing out the soil sample filled in the sampling tube 23, the top of the sampling tube 23 is provided with a screw through hole 232; the discharging assembly 22 comprises a screw rod 222, a push plate 223 and a hand wheel 221 which are respectively arranged at two ends of the screw rod 222; the screw rod 222 is arranged in the threaded through hole 232 in a penetrating way and is in threaded connection with the sampling tube 23; the push plate 223 is positioned in the sampling tube 23; the hand wheel 221 is positioned in the protection cylinder 21; when the soil sample in the sampling tube 23 is required to be pushed out, the hand wheel 221 is rotated, so that the pushing plate 223 pushes out the soil sample in the sampling tube 23; after pushing out the soil sample, the hand wheel 221 is reversely rotated, so that the push plate 223 moves to the top in the sampling tube 23, and the soil sample is conveniently collected next time.

In order to facilitate the mounting and dismounting of the protection cylinder 21 and the sampling cylinder 23, the top of the sampling cylinder 23 is provided with a first threaded connection part 34; correspondingly, the lower end in the protection cylinder 21 is provided with an internal thread matched with the first threaded connection part 34 for use; the protection cylinder 21 is screwed with the first screwed portion 34, and covers the hand wheel 221 and the screw 222 inside; when the weight 4 hits the top of the protection cylinder 21, the sampling cylinder 23 is driven to be inserted into the soil, so that the soil sample is filled in the sampling cylinder 23.

Referring to fig. 2 and 7, for convenience of defining the weight 4 at the upper end inside the second socket 3, a bayonet 32 communicating with the guide slot 33 is provided on the side wall of the second socket 3; the bayonet 32 is positioned at the upper end of the second sleeve 3; the bayonet 32 cooperates with the shift lever 41 for limiting the position of the weight 4 in the second socket 3; when the weight 4 is limited at the upper end in the second sleeve 3, the deflector rod 41 is moved to be positioned in the bayonet 32; when the weight 4 is released, the lever 41 is moved into the guide slot 33.

Referring to fig. 4 and 7, in order to facilitate the installation and removal of the second sleeve 3 from the first sleeve 1, the bottom of the second sleeve 3 is provided with a second screw connection 231; correspondingly, the upper end in the first sleeve 1 is provided with an internal thread matched with the second threaded connection part 231 for use; the second sleeve 3 is screwed with the first sleeve 1 by the second screw connection 231.

Referring to fig. 4 to 6, in order to limit the movement range of the sampling mechanism 2 within the first sleeve 1, a limit groove 11 is provided on the inner side wall of the first sleeve 1, the limit groove 11 being provided along the axial direction of the first sleeve 1; the upper end of the limiting groove 11 is opened, and after the second sleeve 3 is arranged at the top of the first sleeve 1, the opening at the upper end of the limiting groove 11 can be blocked; correspondingly, a limiting block 211 matched with the limiting groove 11 for use is arranged on the outer side wall of the protection cylinder 21; the sampling mechanism 2 is matched with the limiting groove 11 through a limiting block 211 and is movably arranged in the first sleeve 1; when in use, the sampling mechanism 2 is inserted from the top of the first sleeve 1, the limiting block 211 is positioned in the limiting groove 11, and the second sleeve 3 is arranged on the top of the first sleeve 1; the second sleeve 3, the limiting block 211 and the limiting groove 11 are matched to limit the movement range of the sampling mechanism 2; the sampling tube 23 can be moved down to the outside of the first sleeve 1; the sampling mechanism 2 is moved downwards to the sampling tube 23 to be inserted into soil by the impact of the heavy hammer 4 on the sampling mechanism 2, so that a soil sample is filled in the sampling tube 23, then the soil sampling device is taken out, the second sleeve 3 is disassembled, and the sampling mechanism 2 is taken out from the first sleeve 1; and then the protection cylinder 21 is disassembled, and the hand wheel 221 is rotated, so that the pushing plate 223 pushes out the soil sample in the sampling cylinder 23, and the collection of the soil sample is realized.

In order to facilitate the fixing of the soil sampling device on the bottom surface, the outer side of the lower end of the first sleeve 1 is provided with an annular bottom plate 12; the bottom of the annular bottom plate 12 is provided with a ground nail 13; in use, the first sleeve 1 may be secured to the ground by means of the studs 13.

The above is not relevant and is applicable to the prior art.

In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.

The embodiments described above and features of the embodiments herein may be combined with each other without conflict.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A soil sampling device, comprising: the device comprises a first sleeve, a second sleeve and a sampling mechanism;

2. The soil sampling apparatus of claim 1, wherein a threaded through hole is provided at the top of the sampling tube; the discharging assembly comprises a screw rod, and a pushing plate and a hand wheel which are respectively arranged at two ends of the screw rod; the screw rod is arranged in the threaded through hole in a penetrating way and is in threaded connection with the sampling tube; the push plate is positioned in the sampling tube; the hand wheel is positioned in the protection cylinder.

3. The soil sampling apparatus of claim 1, wherein a top of the sampling tube is provided with a first threaded connection; the protection cylinder is in threaded connection with the first threaded connection part.

4. The soil sampling apparatus according to claim 1, wherein a bayonet communicated with the guide slot is provided on a side wall of the second sleeve; the bayonet is matched with the deflector rod and used for limiting the position of the heavy hammer in the second sleeve.

5. The soil sampling apparatus of claim 1, wherein a bottom of the second sleeve is provided with a second threaded connection; the second sleeve is in threaded connection with the first sleeve through the second threaded connection.

6. The soil sampling apparatus according to claim 1, wherein a limit groove is provided on an inner side wall of the first sleeve, the limit groove being provided along an axial direction of the first sleeve; correspondingly, a limiting block matched with the limiting groove for use is arranged on the outer side wall of the protection cylinder; the sampling mechanism is matched with the limiting groove through the limiting block, and the sampling mechanism is movably arranged in the first sleeve.

7. The soil sampling apparatus of claim 1, wherein an annular bottom plate is provided outside a lower end of the first sleeve.

8. The soil sampling apparatus of claim 7, wherein the bottom of the annular base plate is provided with ground nails.

9. The soil sampling apparatus of claim 1, wherein a top portion of the second sleeve is provided with a cover.