CN219589971U

CN219589971U - Soil sampling device

Info

Publication number: CN219589971U
Application number: CN202320312507.5U
Authority: CN
Inventors: 王界元
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-25
Filing date: 2023-02-25
Publication date: 2023-08-25
Anticipated expiration: 2033-02-25

Abstract

A soil sampling device comprising: a sampling tube for holding soil; the drill tube is sleeved on the outer side of the sampling tube in a sliding manner, and the sampling tube drives the drill tube to rotate; and the drilling mechanism drives the sampling tube and the drilling tube to rotate, and the bottom of the drilling mechanism is used for plugging the bottom of the drilling tube. The bolt of spiro union on the drilling rod is embedded to the first recess on sleeve pipe top in this device, and the spacing arch at sampling tube lateral wall top is embedded to in the second recess, broken soil cone top face withstands the bottom surface of boring section of thick bamboo and sampling tube this moment, can avoid the soil sample of the soil of rock and soil pollution of other degree of depth in the in-process of boring to the soil of rock and soil, after the sample finishes, when upwards pulling drilling rod and broken soil cone, first rotary vane on boring section of thick bamboo and rock and soil interference relative broken soil cone downward movement, can seal the clearance between closed sampling tube and the broken soil cone after breaking soil cone and boring section of thick bamboo bottom contact thereby avoid the rock and soil of other degree of depth to get into in the sampling tube and soil sample mix influence the testing result of rock and soil.

Description

Soil sampling device

Technical Field

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

Background

The rock soil is divided into five main types of hard (hard rock), sub-hard (soft rock), soft connection, loose and unconnected and special components, structure, state and property, rock soil sampling monitoring analysis is an indispensable step before various engineering construction, mainly, the original test soil is extracted as a sample through a rock soil sampling device to know the basic layer property, such as a rock soil sampling device with the publication number of CN214066551U, which comprises a main body support, a top plate, a hydraulic rod and a sampling mechanism, wherein the sampling mechanism comprises a sampling rod, a driving motor, a sampling cylinder and a collecting groove, the driving motor is connected with the center of the upper surface of the top plate, the sampling rod is connected with the driving motor, the sampling rod is arranged below the top plate, the surface of the sampling rod is welded with a spiral blade, the sampling rod is arranged inside the sampling cylinder in a penetrating manner, the top of the sampling cylinder is connected with the lower surface of the top plate through a connecting rod, the collecting groove is fixedly connected with the upper side wall of the sampling cylinder, the collecting groove is arranged below the discharging port, the top of the sampling cylinder is provided with a discharging port, the bottom of the sampling cylinder is provided with a feeding port, the two sides are fixedly connected with the top plate and the bottom of the main body support is fixedly connected with the two sides of the hydraulic support. The sampling tube bottom is equipped with the feed inlet top and is equipped with the discharge gate in this contrast file, and the rock soil is through the feed inlet that has helical blade that driving motor drove by the sampling tube enters into in the sampling tube, by the discharge gate discharge rock soil that has the sampling tube for this sampling process can not obtain the rock soil of accurate appointed degree of depth, and leads to the emergence of different degree of depth soil sample mixing phenomenon easily, influences the testing result of rock soil sample.

Disclosure of Invention

The utility model aims to overcome the defects of the conditions, and aims to provide a soil sampling device which can accurately obtain soil samples with required depth, can avoid mixing soil samples with different depths and effectively ensure the detection result of the soil samples.

A soil sampling device comprising: a sampling tube for holding soil; the drill tube is sleeved on the outer side of the sampling tube in a sliding manner, and the sampling tube drives the drill tube to rotate; and the drilling mechanism drives the sampling tube and the drilling tube to rotate, and the bottom of the drilling mechanism is used for plugging the bottom of the drilling tube.

Further, a first through hole is formed in the center of the top surface of the sampling tube, a sleeve is fixedly connected to the top surface of the sampling tube, the sleeve and the first through hole are coaxial, and a first groove is formed in the top end of the sleeve.

Further, limit protrusions which are symmetrical to each other are arranged at the top end of the side face of the sampling tube.

Further, the drill cylinder is of a hollow tubular structure, second grooves which are symmetrical to each other are formed in the top end of the side wall of the drill cylinder, and the second grooves are mutually coupled with the limiting protrusions.

Further, the outer wall of the drill cylinder is provided with a first helical blade.

Further, the drilling mechanism comprises a broken earth cone and a drill rod, the tip end of the broken earth cone faces downwards, the bottom of the drill rod is fixedly connected to the top surface of the broken earth cone, and the top end of the drill rod slides through the first through hole.

Further, the side wall of the broken cone is provided with a second helical blade, and the diameter of the large circular surface of the broken cone is the same as that of the drilling cylinder.

Further, a third helical blade is arranged at the bottom end of the side wall of the drill rod, a first screw hole is formed in the side wall of the drill rod, a bolt is screwed into the first screw hole, the bolt is coupled with the first groove, a fixing column is fixedly connected to the top end of the drill rod, the fixing column is coupled with the first groove, the fixing column is arranged above the first screw hole, and a certain distance is reserved between the fixing column and the first screw hole.

Further, the top end of the drill rod is rotationally connected with a transverse plate, the top end of the drill rod is fixedly connected with a power head, the transverse plate supports the power head, one end of the transverse plate is provided with a threaded hole, and the threaded hole is in threaded connection with a screw rod.

Further, the top end of the screw rod is fixedly connected with a hand wheel, the screw rod is rotationally connected with a fixed frame, the top end of the fixed frame supports the hand wheel, the transverse plate slides along the fixed frame, and the bottom of the fixed frame is fixedly connected with a base.

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

(1) when the bolt spiro union in this device is downthehole in first spiro union, the bolt imbeds to the first recess on sleeve pipe top, and the spacing arch at sampling tube lateral wall top imbeds to in the second recess, the bottom surface of a section of thick bamboo and sampling tube is bored in the time to the ground awl top face and is withstood, can avoid the ground of other degree of depth to get into the sampling tube in the in-process of boring into to the ground soil and pollute the soil sample, after the sample finishes, when upwards pulling drilling rod and broken earth awl, first rotary vane on the section of thick bamboo interferes relative broken earth awl down movement with the ground, thereby follow broken earth awl upward movement and bore the clearance between section of thick bamboo and the broken earth awl closed this moment when boring the bottom of a section of thick bamboo laminating in broken earth awl top face, thereby avoid the ground of other degree of depth to get into the sampling tube in with the soil sample mix influence the testing result of ground.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic view of the overall structure of the soil sampling device.

Fig. 2 is a partial structural sectional view of the soil sampling device.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

In the figure: 1. a sampling tube; 11. a sleeve; 111. a first groove; 12. a limit protrusion; 2. drilling a cylinder; 21. a second groove; 22. a first helical blade; 3. a drilling mechanism; 31. a broken earth cone; 311. a second helical blade; 32. a drill rod; 321. a third helical blade; 322. a bolt; 323. fixing the column; 4. a cross plate; 5. a power head; 6. a screw; 61. a hand wheel; 7. a fixed frame; 8. and (5) a base.

Detailed Description

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

Specific examples:

as shown in fig. 1 and 2, an earth-taking apparatus includes: a sampling tube 1 for taking out soil; the drill tube 2 is sleeved on the outer side of the sampling tube 1 in a sliding manner, and the sampling tube 1 drives the drill tube 2 to rotate; and the drilling mechanism 3 drives the sampling tube 1 and the drilling tube 2 to rotate, and the bottom of the drilling mechanism 3 is used for plugging the bottom of the drilling tube 2.

As shown in fig. 2, 3 and 4, the sampling tube 1 is a cylindrical body with an opening at the bottom, a first through hole is formed in the center of the top surface of the sampling tube 1, two limit protrusions 12 symmetrical to each other are arranged at the top end of the side wall of the sampling tube 1, a sleeve 11 is fixedly connected to the top surface of the sampling tube 1, the sleeve 11 is of a hollow tubular structure with two ends being both open, the diameters of the inner pipes of the sleeve 11 are the same in the aperture of the first through hole, the axes of the sleeve 11 are the same in the axis of the first through hole, and a first groove 111 is formed at the top end of the side wall of the sleeve 11.

The drill cylinder 2 is of a tubular structure with two open ends, the drill cylinder 2 is sleeved on the outer wall of the sampling cylinder 1 in a sliding manner, the top end of the side wall of the drill cylinder 2 is provided with second grooves 21 which are symmetrical to each other, the second grooves 21 are mutually coupled with the limiting protrusions 12, when the limiting protrusions 12 are embedded into the second grooves 21, the sampling cylinder 1 drives the drill cylinder 2 to rotate, and the outer wall of the drill cylinder 2 is provided with first spiral blades 22.

The drilling mechanism 3 comprises a broken cone 31 and a drill rod 32, wherein the broken cone 31 is a cone with a downward tip, a second helical blade 311 is arranged on the outer wall of the broken cone 31, the helical direction of the second helical blade 311 is the same as that of the first helical blade 22, the diameter of the top large round surface of the broken cone 31 is the same as that of the drill cylinder 2, the bottom end of the drill rod 32 is fixedly connected with the top surface of the broken cone 31, a third helical blade 321 is arranged at the bottom of the side wall of the drill rod 32, a first helical hole is arranged at the side wall of the drill rod 32, threads are arranged in the first helical hole, a bolt 322 is in helical connection with the first helical hole, the bolt 322 is coupled with the first groove 111, the bolt 322 can be embedded into the first groove 111, the bolt 322 can drive the sleeve 11 to rotate through the first groove 111, a fixed column 323 is fixedly connected with the side wall of the drill rod 32, the fixed column 323 is arranged above the first screw hole, the fixed column 323 is coupled with the first groove 111, the drill rod 32 can drive the sleeve 11 to rotate when the fixed column 323 is embedded into the first groove 111, the fixed column 323 and the first screw hole have a certain distance, when the bolt 322 is screwed into the first screw hole, the bolt 322 is embedded into the first groove 111 at the top end of the sleeve 11, the limit projection 12 at the top of the side wall of the sampling tube 1 is embedded into the second groove 21, at the moment, the top surface of the broken earth cone 31 props against the bottom surfaces of the drilling tube 2 and the sampling tube 1, in the process of drilling into the rock soil, the soil with other depths can be prevented from entering the sampling tube 1 to pollute the soil sample, after sampling is finished, when the drill rod 32 and the broken earth cone 31 are lifted upwards, the first rotary blade on the drilling tube 2 and the rock soil are interfered to move downwards relative to the broken earth cone 31, when the bottom of the drilling cylinder 2 is attached to the top surface of the broken cone 31, the drilling cylinder 2 moves upwards along with the broken cone 31, and at the moment, the drilling cylinder 2 seals a gap between the sampling cylinder 1 and the broken cone 31, so that rock and soil with other depths are prevented from entering the sampling cylinder 1 to mix with a soil sample, and the test result of the rock and soil is prevented from being affected.

The top rotation of drilling rod 32 is connected with diaphragm 4, the one end rigid coupling that drilling rod 32 worn out diaphragm 4 has unit head 5, unit head 5 is motor or engine, unit head 5 is for drilling rod 32 provides power, the one end of diaphragm 4 is equipped with the screw hole, the screw hole is equipped with the screw thread, the screw hole spiro union has screw rod 6, the top rigid coupling of screw rod 6 has hand wheel 61, the top rotation of screw rod 6 is connected with fixed frame 7, fixed frame 7 edge corresponds the horizontal pole and is equipped with the scale, the scale is used for instructing the income soil depth of sampling tube 1, the top bearing hand wheel 61 of fixed frame 7, the bottom rotation of screw rod 6 is connected in the bottom of fixed frame 7. The diaphragm 4 is embedded into the fixed frame 7, can make the diaphragm 4 slide from top to bottom through hand wheel 61 rotation screw rod 6, and fixed frame 7 bottom rigid coupling has base 8, and the wheel is connected in the rotation of base 8, and the bolt 322 that is equipped with on the drilling rod 32 in this device can be embedded into first recess 111 to make.

When the soil sampling device is used, firstly, the bolt 322 is ensured to be in screwed connection in a first screwed hole, the power head 5 is started, the power head 5 drives the broken cone 31 to rotate through the drill rod 32, the hand wheel 61 is rotated, the transverse plate 4 drives the drill rod 32 to move downwards and enables the broken cone 31 to drill into the rock soil, when the scale value of the transverse plate 4 corresponding to the fixed frame 7 is a numerical value of the depth to be sampled, the power head 5 is stopped, the broken cone 31 is stopped to move downwards, the bolt 322 is removed, the power head 5 is started again, the hand wheel 61 is rotated, the broken cone 31 continues to advance towards the rock soil deep layer, under the interference action of the rock soil and the first helical blade 22, the sampling tube 1 and the drilling tube 2 are stationary relative to the rock soil, the rotating drill rod 32 moves downwards, when the fixed column 323 on the rotating drill rod 32 is embedded into the first groove 111, the drill tube 32 drives the sampling tube 1 to rotate through the fixed column 323, and the limit bulge 12 on the top of the outer wall drives the drilling tube 1 to rotate, at the moment, the top surface of the broken cone 31 and the bottom surface of the sampling tube 1 and the drilling tube 2 are provided with a certain gap, thereby the top surface of the sampling tube 1 and the bottom surface of the sampling tube 2 are provided with a certain gap, and the bottom surface of the sampling tube 2 is prevented from being reversely moving towards the fixed frame 2, and the top surface of the drilling tube 2 is opposite to the fixed frame 2, the rock cone 2 is prevented from moving towards the bottom surface 2, the fixed cone 2, the top surface of the rock cone 2 is relatively, the soil is prevented from being polluted by the fixed cone 2, and the top surface of the drilling tube 2, and the rock cone 2 is relatively moves towards the top surface, and the bottom surface is relatively the rock cone 2, and the rock-shaped soil is moved down and the rock-filled.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A soil sampling device, comprising:

a sampling tube (1) for holding soil;

the drill tube (2) is sleeved on the outer side of the sampling tube (1) in a sliding manner, and the sampling tube (1) drives the drill tube (2) to rotate; and

the drilling mechanism (3) drives the sampling tube (1) and the drilling tube (2) to rotate, and the bottom of the drilling mechanism (3) is used for sealing the bottom of the drilling tube (2).

2. The soil sampling apparatus of claim 1, wherein: the sampling tube comprises a sampling tube body, wherein a first through hole is formed in the center of the top surface of the sampling tube body (1), a sleeve (11) is fixedly connected to the top surface of the sampling tube body (1), the sleeve (11) and the first through hole are coaxial, and a first groove (111) is formed in the top end of the sleeve (11).

3. The soil sampling apparatus of claim 2, wherein: limiting protrusions (12) which are symmetrical to each other are arranged at the top end of the side face of the sampling tube (1).

4. A soil sampling apparatus according to claim 3, wherein: the drill cylinder (2) is of a hollow tubular structure, second grooves (21) which are symmetrical to each other are formed in the top end of the side wall of the drill cylinder (2), and the second grooves (21) are mutually coupled with the limiting protrusions (12).

5. The soil sampling apparatus of claim 4, wherein: the outer wall of the drill cylinder (2) is provided with a first helical blade (22).

6. The soil sampling apparatus of claim 5, wherein: the drilling mechanism (3) comprises a broken earth cone (31) and a drill rod (32), the tip end of the broken earth cone (31) faces downwards, the bottom of the drill rod (32) is fixedly connected to the top surface of the broken earth cone (31), and the top end of the drill rod (32) slides through the first through hole.

7. The soil sampling apparatus of claim 6, wherein: the side wall of the broken earth cone (31) is provided with a second helical blade (311), and the diameter of the large circular surface of the broken earth cone (31) is the same as that of the drill cylinder (2).

8. The soil sampling apparatus of claim 7, wherein: the novel drilling machine is characterized in that a third helical blade (321) is arranged at the bottom end of the side wall of the drilling rod (32), a first screw hole is formed in the side wall of the drilling rod (32), a bolt (322) is screwed in the first screw hole, the bolt (322) is coupled with the first groove (111), a fixing column (323) is fixedly connected with the top end of the drilling rod (32), the fixing column (323) is coupled with the first groove (111), the fixing column (323) is arranged above the first screw hole, and the fixing column (323) is a certain distance away from the first screw hole.

9. The soil sampling apparatus of claim 8, wherein: the novel drilling machine is characterized in that the top end of the drilling rod (32) is rotationally connected with the transverse plate (4), the top end of the drilling rod (32) is fixedly connected with the power head (5), the transverse plate (4) supports the power head (5), one end of the transverse plate (4) is provided with a threaded hole, and the threaded hole is in threaded connection with the screw rod (6).

10. The soil sampling apparatus of claim 9, wherein: the novel hand wheel is characterized in that a hand wheel (61) is fixedly connected to the top end of the screw rod (6), a fixed frame (7) is rotatably connected to the screw rod (6), the hand wheel (61) is supported by the top end of the fixed frame (7), the transverse plate (4) slides along the fixed frame (7), and a base (8) is fixedly connected to the bottom of the fixed frame (7).