CN221238684U - Heavy metal contaminated farmland soil sampling device - Google Patents

Abstract

The utility model relates to the technical field of soil sampling and discloses a farmland soil sampling device polluted by heavy metals, which comprises a shell, wherein a rotating seat is rotatably connected to the bottom side of the shell, a sliding assembly is arranged between the shell and the rotating seat, two mounting seats are arranged in the rotating seat, sampling barrels are connected to the bottom side of the mounting seats through the mounting assemblies, two bidirectional screws are connected to the inner threads of the two mounting seats, the left end and the right end of each bidirectional screw penetrate through the left side and the right side of the outer wall of the rotating seat respectively, a rotating assembly is arranged at the right end of each bidirectional screw, and a driving assembly is arranged in the shell. According to the utility model, after the sampling cylinder is deeply penetrated into soil for sampling, the sampled soil can be compressed and compacted, so that the soil with larger and loose moisture can be collected, the probability of separating the sample from the sampling cylinder is reduced, the sampling precision is improved, and the working efficiency is further improved.

Description

Heavy metal contaminated farmland soil sampling device

Technical Field

The utility model relates to the technical field of soil sampling, in particular to a farmland soil sampling device polluted by heavy metals.

Background

Heavy metals in soil enter plants through root systems of the plants, and people eat the plants containing the heavy metals to enable the heavy metals to enter human bodies, so that the health of the human bodies is endangered. In the soil heavy metal sampling process, the collected soil samples comprise deep soil samples and surface soil samples, so that pollution conditions are analyzed more comprehensively and accurately.

Through retrieving, chinese patent discloses a portable soil sampler (bulletin number CN 219714792U), including the barrel, be fixed with the handle on the barrel, and the inside still slip of barrel has the extrusion pole, still includes: the limiting parts are two groups and are fixed on the handle; the positioning embedded rods are also two groups and are fixed on the extrusion rod; the positioning embedded rod is controllably embedded in the limiting piece, and in the embedded state, the lower end of the extrusion rod is completely overlapped with the lower end of the cylinder body. The locating embedded rod fixed on the extrusion rod can be fixed on the limiting piece, and the limiting piece is fixed on the handle, so that the lower end of the extrusion rod is completely overlapped with the lower end of the cylinder body in the embedded state, soil cannot enter the cylinder body in the state, and when the whole cylinder body reaches a deeper position, the locating embedded rod is separated from the limiting piece, and at the moment, the soil can enter the cylinder body, so that the purpose of sampling can be achieved, the total sampling amount can be controlled, and the follow-up derivation is facilitated.

The above-mentioned search patent technique is although can control the total amount of earth sample, nevertheless the earth that needs the sample can be because of the too big problem of moisture content to lead to gathering earth to the depths and be difficult for taking out earth, consequently, the skilled artisan provides a receive heavy metal contaminated farmland soil sampling device, in order to solve the problem that proposes among the above-mentioned background art.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a farmland soil sampling device polluted by heavy metals, which aims to improve the soil with excessive water content in a difficult collection depth of the existing soil collection device.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a receive heavy metal contaminated farmland soil sampling device, includes the shell, the downside of shell rotates and is connected with the rotation seat, be provided with sliding component between shell and the rotation seat, the inside of rotating the seat is provided with two mount pads, the downside of mount pad is connected with the sampling tube through the installation component, two the inside threaded connection of mount pad has two-way screw rod, the left and right sides of rotation seat outer wall is run through respectively at two-way screw rod's left and right sides, two-way screw rod's right-hand member is provided with the rotation component, the internally mounted of shell has drive assembly.

Through above-mentioned technical scheme, when sampling, through placing the device on soil, open the power later, make the motor drive the structure of downside rotate, drive the sampling tube and rotate, cut soil at this moment, through the screwdown gear, make the sampling tube constantly go deep into soil deep, until after reaching certain degree of depth, shake the rotation handle, make two-way screw rod rotate, and then make two mount pads carry out the opposite movement on two-way screw rod, drive the sampling tube and carry out the displacement, make the sample between the sampling tube compressed by the extrusion, become compact, lift equipment later, reverse shake the rotation handle, make the opposite direction displacement of sampling tube, thereby take out the sample.

Further, the installation component includes plug-in components and bolt, both ends all fixedly connected with plug-in components around the bottom side of mount pad, the slot has all been seted up at both ends around the top side of sampling tube, the plug-in components set up the inside at the slot, the rear end of bolt runs through the outer wall rear end and two plug-in components of sampling tube, the rear end threaded connection of bolt has the nut.

Through above-mentioned technical scheme, accessible plug-in components and bolt are changed the sampling tube to change the sampling tube of different length in order to carry out the sampling of different degree of depth to soil. The sampling tube and the plug-in are provided with mounting holes of the same specification. Through the inside with plug-in components inserted the slot, pass each mounting hole with the bolt in proper order afterwards, with the one end of bolt follow the front side of sampling tube alternates to the rear side, rotate the end of bolt with the nut afterwards, can accomplish the sampling tube installation, otherwise, can dismantle the sampling tube to reach the purpose of changing the sampling tube.

Further, the screw thread directions of the left end and the right end of the outer wall of the bidirectional screw rod are opposite.

Through the technical scheme, when the bidirectional screw rod rotates, the mounting seat in threaded connection with the bidirectional screw rod moves in opposite directions or in opposite directions.

Further, the sliding assembly comprises a second sliding groove and a second sliding piece, the second sliding groove is formed in the bottom side of the shell, the second sliding piece is fixedly connected to the top side of the rotating seat, the section of the second sliding piece is T-shaped, the shape of the second sliding groove corresponds to that of the second sliding piece, and the second sliding piece is connected to the inside of the second sliding groove in a sliding mode.

Through above-mentioned technical scheme, T shape structure helps spout two and slider two to carry out the connection, and then stabilizes the relation of connection between shell and the rotation seat, makes it more firm at pivoted in-process.

Further, the rotating assembly comprises a rotating rod and a first sliding groove, the first sliding groove is formed in the right side of the outer wall of the bidirectional screw rod, the first sliding piece is fixedly connected to the outer wall of the rotating rod, the rotating rod is connected to the inside of the first sliding groove in a sliding mode, and the rotating handle is fixedly connected to the right side of the rotating rod.

Through the technical scheme, the shape of the inner part of the first sliding groove is the same as that of the first sliding piece connected with the rotating rod, and the aperture of the opening of the first sliding groove is smaller than the caliber of the inner part, so that the rotating rod and the first sliding piece are not easy to separate from the first sliding groove. The rotating rod can be retracted into the first sliding groove in a sliding manner, and then is retracted into the bidirectional screw rod. The rotating rod is rotated by rotating the handle, so that the bidirectional screw rod is rotated, and the mounting seat is driven to move.

Further, outer wall right side fixedly connected with support one of shell, outer wall left side fixedly connected with support two of shell, the both ends are rotated respectively and are connected in the close one side of support one and support two, the right side fixedly connected with cassette of support one, the one end block of rotating the handle is connected in the inside of cassette.

Through above-mentioned technical scheme, the cassette has certain elasticity, can block the one end of the pivoted handle that links to each other with the bull stick behind the bull stick income bidirectional screw rod to when carrying out soil sampling's during operation, fix the position of bull stick, prevent to rotate the seat and rotate the bull stick and the unstable rocking of pivoted handle on the device and cause bidirectional screw rod to receive the influence.

Further, the driving assembly comprises a motor, the outer wall of the motor is fixedly connected to the inside of the shell, and the driving end of the motor is fixedly connected with the top side of the rotating seat.

Through above-mentioned technical scheme, the motor is as the power supply of device, drives the rotation seat and rotates the structure of seat bottom side with rotating, makes the sampling tube sample soil.

Further, concave-convex teeth are arranged on the bottom side of the sampling cylinder, handles are fixedly connected to the left side and the right side of the outer wall of the shell, a rubber layer is fixedly connected to the outer wall of the handles, and protrusions are arranged on the outer wall of the rubber layer.

Through above-mentioned technical scheme, unsmooth tooth can assist the sampling tube when boring into earth when rotatory, provides the ability of cutting, makes the sampling tube can adapt to the ground that the soil property is hard to sample, and the protruding friction force between increase and the palm that rubber layer and surface set up makes the user grip that can be better.

The utility model has the following beneficial effects:

1. According to the utility model, through the mutual matching of the mounting seat, the bidirectional screw rod, the rotating rod and the rotating handle, the sampling soil can be compressed and compacted after the sampling cylinder penetrates into the soil for sampling, so that the soil with larger and loose moisture can be collected, the probability of separating the sample from the sampling cylinder is reduced, the sampling precision is improved, and the working efficiency is further improved.

2. According to the utility model, through the mutual matching of the plug-in, the slot, the screw and the nut, sampling cylinders with different specifications can be replaced, so that soil can be sampled with different depths, more sample data can be obtained, and the flexibility of work is improved.

Drawings

FIG. 1 is a perspective view of a farmland soil sampling device polluted by heavy metals;

FIG. 2 is a schematic cross-sectional view of a device for sampling farmland soil contaminated by heavy metals according to the present utility model;

FIG. 3 is a schematic structural view of a mounting seat and a sampling cylinder of a farmland soil sampling device polluted by heavy metals;

FIG. 4 is a schematic structural view of a clamping seat and a rotary handle of a farmland soil sampling device polluted by heavy metals;

FIG. 5 is a schematic diagram of the structure of a turning handle and a bidirectional screw of the heavy metal contaminated farmland soil sampling device;

Fig. 6 is an enlarged view at a of fig. 2.

Legend description:

1. A housing; 2. a rotating seat; 3. a mounting base; 4. a sampling cylinder; 5. a bidirectional screw; 6. a rotating rod; 7. rotating the handle; 8. a first chute; 9. a first slider; 10. a first bracket; 11. a clamping seat; 12. an insert; 13. a bolt; 14. a nut; 15. a second chute; 16. a second slider; 17. a motor; 18. a handle.

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.

Referring to fig. 1 and 2, one embodiment provided by the present utility model is: the utility model provides a heavy metal contaminated farmland soil sampling device, including shell 1, the downside of shell 1 rotates and is connected with rotation seat 2, be provided with sliding component between shell 1 and the rotation seat 2, the inside of rotation seat 2 is provided with two mount pads 3, the downside of mount pad 3 is connected with sampling tube 4 through the installation component, the inside threaded connection of two mount pads 3 has two-way screw rod 5, the left and right sides of two-way screw rod 5 runs through respectively the left and right sides of rotation seat 2 outer wall, the right-hand member of two-way screw rod 5 is provided with rotation component, the internally mounted of shell 1 has drive assembly; the screw thread directions of the left end and the right end of the outer wall of the bidirectional screw 5 are opposite; concave-convex teeth are arranged at the bottom side of the sampling tube 4, the left side and the right side of the outer wall of the shell 1 are fixedly connected with grips 18, the outer wall of each grip 18 is fixedly connected with a rubber layer, and the outer wall of each rubber layer is provided with a bulge;

Specifically, there is a certain distance between the two sampling cylinders 4 in normal state. When the bidirectional screw 5 rotates, the mounting seat 3 screwed on the bidirectional screw 5 moves in opposite directions or in opposite directions. The driving assembly comprises a motor 17, the outer wall of the motor 17 is fixedly connected in the shell 1, and the driving end of the motor 17 is fixedly connected with the top side of the rotating seat 2. The motor 17 is used as a power source of the device to drive the rotating seat 2 to rotate together with the structure at the bottom side of the rotating seat 2, so that the sampling cylinder 4 samples soil. The concave-convex teeth can assist the sampling cylinder 4 to cut when drilling into soil during rotation, so that the sampling cylinder 4 can adapt to the ground with hard soil and sample, the friction between the rubber layer and the protrusions arranged on the surface can be increased, and a user can better hold the grip 18;

When sampling is carried out, the device is placed on soil, then a power supply is turned on, the motor 17 drives the structure of the bottom side to rotate, namely, the sampling cylinder 4 is driven to rotate, soil is cut, at this time, the sampling cylinder 4 is enabled to continuously penetrate deep into the soil until a certain depth is reached through the pressing device, the rotating handle 7 is rocked, the bidirectional screw 5 is enabled to rotate, further the two mounting seats 3 are enabled to oppositely move on the bidirectional screw 5, the sampling cylinder 4 is driven to carry out displacement, a sample between the sampling cylinders 4 is extruded and compressed to become compact, then the device is lifted, the rotating handle 7 is reversely rocked, the sampling cylinders 4 are enabled to oppositely displace, and accordingly the sample is taken out.

Referring to fig. 1 and 3, the mounting assembly comprises an insert 12 and bolts 13, the inserts 12 are fixedly connected to the front and rear ends of the bottom side of the mounting seat 3, slots are formed in the front and rear ends of the top side of the sampling tube 4, the inserts 12 are arranged in the slots, the rear ends of the bolts 13 penetrate through the rear ends of the outer wall of the sampling tube 4 and the two inserts 12, and nuts 14 are connected to the rear ends of the bolts 13 in a threaded manner;

In particular, cartridge 4 may be replaced by insert 12 and bolt 13 to replace cartridges 4 of different lengths to sample soil to different depths. Both the cartridge 4 and the insert 12 are provided with mounting holes of the same gauge. Through inserting the inside of plug-in components 12 into the slot, pass each mounting hole in proper order with bolt 13 afterwards, with the one end of bolt 13 follow the front side of sampling tube 4 alternates to the rear side, then rotate the terminal of bolt 13 with nut 14, can accomplish the installation to sampling tube 4, otherwise, can dismantle sampling tube 4 to reach the purpose of changing sampling tube 4.

Referring to fig. 6, the sliding assembly includes a second sliding chute 15 and a second sliding member 16, the second sliding chute 15 is formed on the bottom side of the housing 1, the second sliding member 16 is fixedly connected to the top side of the rotating seat 2, the section of the second sliding member 16 is T-shaped, the shape of the second sliding chute 15 corresponds to the shape of the second sliding member 16, and the second sliding member 16 is slidably connected inside the second sliding chute 15;

Specifically, the connection between the second chute 15 and the second slider 16 is facilitated by the T-shaped structure, so that the connection between the housing 1 and the rotating base 2 is stabilized, and the connection is more stable in the rotating process.

Referring to fig. 4 and 5, the rotating assembly comprises a rotating rod 6 and a first sliding chute 8, the first sliding chute 8 is arranged on the right side of the outer wall of the bidirectional screw 5, a first sliding piece 9 is fixedly connected to the outer wall of the rotating rod 6, the rotating rod 6 is slidably connected to the inside of the first sliding chute 8 through the first sliding piece 9, and a rotating handle 7 is fixedly connected to the right side of the rotating rod 6; the right side of the outer wall of the shell 1 is fixedly connected with a first bracket 10, the left side of the outer wall of the shell 1 is fixedly connected with a second bracket, the left end and the right end of the bidirectional screw 5 are respectively and rotatably connected to the similar side of the first bracket 10 and the second bracket, the right side of the first bracket 10 is fixedly connected with a clamping seat 11, and one end of the rotary handle 7 is clamped and connected to the inside of the clamping seat 11;

Specifically, the clamping seat 11 has certain elasticity, and can clamp one end of the rotating handle 7 connected with the rotating rod 6 after the rotating rod 6 is retracted into the bidirectional screw 5, so that the position of the rotating rod 6 is fixed when soil sampling is performed, and the bidirectional screw 5 is influenced due to unstable shaking of the rotating rod 6 and the rotating handle 7 on the device when the rotating seat 2 rotates. The inner shape of the first sliding groove 8 is the same as that of the first sliding piece 9 connected with the rotating rod 6, and the aperture at the opening of the first sliding groove 8 is smaller than the caliber of the inner part, so that the rotating rod 6 and the first sliding piece 9 are not easy to separate from the first sliding groove 8. The rotating rod 6 can be retracted into the first chute 8 in a sliding manner, and the rotating rod 6 can be retracted into the bidirectional screw 5. The rotating rod 6 is rotated by rotating the handle 7, so that the bidirectional screw 5 is rotated, and the installation seat 3 is driven to move.

Working principle: when sampling is carried out, the device is placed on soil, then a power supply is turned on, the motor 17 drives the structure at the bottom side to rotate, namely, the sampling cylinder 4 is driven to rotate, soil is cut, at this time, the sampling cylinder 4 is enabled to continuously penetrate deep into the soil until a certain depth is reached through the pressing device, the rotating handle 7 is rocked, the bidirectional screw 5 is enabled to rotate, the rotating rod 6 is rotated through the rotating handle 7, the bidirectional screw 5 is enabled to rotate, further the two mounting seats 3 are enabled to move on the bidirectional screw 5 in opposite directions, the sampling cylinder 4 is driven to move, a sample between the sampling cylinders 4 is extruded and compressed, the compaction is achieved, then the device is lifted, the rotating handle 7 is rocked reversely, the sampling cylinders 4 are enabled to move in opposite directions, and the sample is taken out.

When soil with different depths is required to be sampled, the sampling cylinder 4 needs to be replaced, the plug-in component 12 is inserted into the slot, then the bolts 13 sequentially penetrate through the mounting holes, one ends of the bolts 13 are inserted into the rear side from the front side of the sampling cylinder 4, then the nuts 14 are rotated to the tail ends of the bolts 13, the sampling cylinder 4 can be completely installed, and otherwise, the sampling cylinder 4 can be detached, so that the purpose of replacing the sampling cylinder 4 is achieved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a receive heavy metal contaminated farmland soil sampling device, includes shell (1), its characterized in that: the bottom side of the shell (1) is rotationally connected with a rotating seat (2), a sliding component is arranged between the shell (1) and the rotating seat (2), two mounting seats (3) are arranged in the rotating seat (2), the bottom side of the mounting seats (3) is connected with a sampling cylinder (4) through the mounting component, two the inside threaded connection of mount pad (3) has two-way screw rod (5), the left and right sides of rotating seat (2) outer wall is run through respectively at the left and right sides of two-way screw rod (5), the right-hand member of two-way screw rod (5) is provided with rotating assembly, the internally mounted of shell (1) has drive assembly.

2. The heavy metal contaminated farmland soil sampling device according to claim 1, wherein: the installation component includes plug-in components (12) and bolt (13), both ends all fixedly connected with plug-in components (12) around the bottom side of mount pad (3), slot has all been seted up at both ends around the top side of sampling tube (4), plug-in components (12) set up the inside at the slot, the outer wall rear end and two plug-in components (12) of sampling tube (4) are run through to the rear end of bolt (13), the rear end threaded connection of bolt (13) has nut (14).

3. The heavy metal contaminated farmland soil sampling device according to claim 1, wherein: the screw thread directions of the left end and the right end of the outer wall of the bidirectional screw rod (5) are opposite.

4. The heavy metal contaminated farmland soil sampling device according to claim 1, wherein: the sliding assembly comprises a second sliding groove (15) and a second sliding piece (16), the second sliding groove (15) is formed in the bottom side of the shell (1), the second sliding piece (16) is fixedly connected to the top side of the rotating seat (2), the section of the second sliding piece (16) is T-shaped, the shape of the second sliding groove (15) corresponds to the shape of the second sliding piece (16), and the second sliding piece (16) is connected to the inside of the second sliding groove (15) in a sliding mode.

5. The heavy metal contaminated farmland soil sampling device according to claim 1, wherein: the rotating assembly comprises a rotating rod (6) and a first sliding groove (8), the first sliding groove (8) is formed in the right side of the outer wall of the bidirectional screw rod (5), a first sliding piece (9) is fixedly connected to the outer wall of the rotating rod (6), the rotating rod (6) is slidably connected to the inside of the first sliding groove (8) through the first sliding piece (9), and a rotating handle (7) is fixedly connected to the right side of the rotating rod (6).

6. The heavy metal contaminated farmland soil sampling device according to claim 5, wherein: the novel double-screw-rod type electric motor is characterized in that a first support (10) is fixedly connected to the right side of the outer wall of the outer shell (1), a second support is fixedly connected to the left side of the outer wall of the outer shell (1), the left end and the right end of the double-screw-rod (5) are respectively connected to the close side of the first support (10) and the close side of the second support in a rotating mode, a clamping seat (11) is fixedly connected to the right side of the first support (10), and one end of the rotating handle (7) is connected to the inside of the clamping seat (11) in a clamping mode.

7. The heavy metal contaminated farmland soil sampling device according to claim 1, wherein: the driving assembly comprises a motor (17), the outer wall of the motor (17) is fixedly connected inside the shell (1), and the driving end of the motor (17) is fixedly connected with the top side of the rotating seat (2).

8. The heavy metal contaminated farmland soil sampling device according to claim 1, wherein: the bottom side of sampling tube (4) is provided with unsmooth tooth, the outer wall left and right sides of shell (1) is all fixedly connected with handle (18), the outer wall fixedly connected with rubber layer of handle (18), the outer wall of rubber layer is provided with the arch.