Sample acquisition device for soil remediation

Abstract

The utility model discloses a sample acquisition device for soil remediation. The sample acquisition device comprises a pressing plate, a connecting column arranged at the bottom of the pressing plate, and a power assembly arranged at the top of the pressing plate and used for driving the connecting column to rotate, a plurality of middle-section sampling barrels and bottom-section sampling barrels are sequentially arranged at the bottom of the connecting column; by utilizing the external threads on the middle-section sampling barrel and the bottom-section sampling barrel and the internal threads on the connecting column and the middle-section sampling barrel, as the external threads are matched with the internal threads to realize threaded connection, multiple sections of middle-section sampling barrels which can be in threaded connection with each other can be adopted, and the flexible adjustment of the sampling depth is realized; an operator can conveniently adjust the insertion depth of the sample acquisition device, so that soil samples at target depths can be collected by combining different numbers of middle-section sampling barrels, and soil samples at different depths from the earth surface to the underground can be collected at one time; therefore, the distribution characteristics of the soil pollution on the vertical section can be known more comprehensively.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil remediation technical field especially relates to a sample acquisition device of soil remediation. BACKGROUND

[0002] Soil remediation is to use physical, chemical and biological methods to transfer, absorb, degrade and transform pollutants in soil, so that its concentration is reduced to an acceptable level, or the toxic and harmful pollutants are converted into harmless substances. It is necessary to collect soil samples first, then analyze the pollutants, and then treat the soil according to the symptoms.

[0003] The soil sampler disclosed in the Chinese utility model patent with publication number CN218067125U connects the first support rod and the second support rod by screwing the external thread of the first support rod into the internal thread of the second support rod, then applies downward force by stepping on the pedal, so that the sampling cylinder can penetrate into the soil to be sampled, after the sampling cylinder is completely immersed in the soil, the sampling cylinder is taken out, at this time, the sampling cylinder has the soil sampled, then the connecting rod is pushed by the push rod to further push the push plate, so that the soil in the sampling cylinder is pushed out, thereby completing the soil sampling.

[0004] However, the device can only obtain the soil sample within the depth of the sampling cylinder, i.e. the soil sample from the surface of the soil to a certain depth, and it is difficult to obtain the soil sample at a specified depth and multiple different depths at the same time, thereby limiting the comprehensive understanding of the pollution distribution characteristics of the vertical section of the soil. SUMMARY

[0005] The utility model overcomes the insufficient prior art and provides a sample acquisition device for soil remediation.

[0006] To achieve the above purpose, the utility model adopts the technical scheme of a sample acquisition device for soil remediation, which comprises a pressing plate, a connecting column arranged at the bottom of the pressing plate, and a power assembly arranged at the top of the pressing plate for driving the connecting column to rotate.

[0007] The bottom of the connecting column is sequentially provided with a plurality of middle segment sampling cylinders and bottom segment sampling cylinders; the side surface close to the top of the middle segment sampling cylinder and the bottom segment sampling cylinder is provided with an external thread; and the inner side close to the bottom of the connecting column and the middle segment sampling cylinder is provided with an internal thread.

[0008] The external thread and the internal thread are matched to realize threaded connection, and the bottom of the bottom segment sampling cylinder is fixed with a plurality of teeth.

[0009] In a preferred embodiment of the utility model, the side of the connecting column close to the top is rotatably connected with the inner side of the pressing plate through a bearing, the middle section sampling cylinder and the bottom section sampling cylinder are both hollow cylindrical, and the connecting column, the middle section sampling cylinder and the bottom section sampling cylinder are coaxially arranged.

[0010] In a preferred embodiment of the utility model, the side of the middle section sampling cylinder and the bottom section sampling cylinder is provided with a scale line for conveniently observing the length by an operator.

[0011] In a preferred embodiment of the utility model, the side of the middle section sampling cylinder and the bottom section sampling cylinder is provided with a visual window for conveniently observing the internal condition by an operator.

[0012] In a preferred embodiment of the utility model, the adjacent teeth are in contact, and the teeth are uniformly distributed in the bottom of the bottom section sampling cylinder.

[0013] In a preferred embodiment of the utility model, the power assembly comprises a driving motor installed at the bottom of the pressing plate, a driving synchronous pulley fixed at the output end of the driving motor on the top of the pressing plate, and a driven synchronous pulley fixed at one end of the connecting column on the top of the pressing plate, and the driving synchronous pulley and the driven synchronous pulley are meshed with a toothed belt.

[0014] In a preferred embodiment of the utility model, the top of the pressing plate is fixed with a protective cover, and the driving synchronous pulley, the driven synchronous pulley and the toothed belt are located in the interior of the protective cover.

[0015] In a preferred embodiment of the utility model, the driving motor is installed at the bottom of the pressing plate through the cooperation of bolts.

[0016] In a preferred embodiment of the utility model, the two sides of the pressing plate are fixed with handles for conveniently holding by an operator.

[0017] In a preferred embodiment of the utility model, the surface of the handle is provided with anti-skid lines.

[0018] The utility model solves the defects in the background art, and has the following beneficial effects:

[0019] (1) The utility model provides a kind of sample acquisition device of soil remediation, by being sequentially provided with several middle section sampling barrels and bottom section sampling barrels in the bottom of connecting column, utilize the outer thread on middle section sampling barrel and bottom section sampling barrel, and the inner thread on connecting column and middle section sampling barrel, since outer thread and inner thread are matched to realize threaded connection, can use the middle section sampling barrel of multiple sections and can be mutually threaded, realize the flexible adjustment of sampling depth, it is convenient for operator to adjust the insertion depth of sample acquisition device according to sampling required, and then by combining different number of middle section sampling barrels, not only can ensure that the soil sample of target depth is collected, but also can be completed once from ground surface to underground different depth of soil sample collection, to be able to more comprehensively understand the distribution characteristics of soil pollution on vertical profile.

[0020] (2) In the utility model, by setting power assembly on the top of pressing plate, when bottom section sampling barrel is sampled to ground, by the cooperation of driving motor, driving synchronous pulley, driven synchronous pulley and toothed belt, the rotary motion of driving synchronous pulley can be stably transmitted to connecting column, middle section sampling barrel and bottom section sampling barrel, to provide stable and reliable rotary power to connecting column. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model is further described below in connection with drawings and examples;

[0022] Figure 1 It is the perspective structural drawing of preferred embodiment of the utility model;

[0023] Figure 2 It is the separation structure drawing of connecting column, middle section sampling barrel and bottom section sampling barrel of preferred embodiment of the utility model;

[0024] Figure 3 It is the separation structure drawing of protective cover and pressing plate of preferred embodiment of the utility model;

[0025] In the drawing: 1, pressing plate;2, connecting column;3, middle section sampling barrel;4, bottom section sampling barrel;5, outer thread;6, inner thread;7, tooth;8, scale;9, visual window;10, driving motor;11, driving synchronous pulley;12, driven synchronous pulley;13, toothed belt;14, protective cover;15, handle. DETAILED DESCRIPTION

[0026] The utility model is now further described in detail in connection with drawings and examples, these drawings are all simplified schematic diagram, just with schematic way to show the basic structure of the utility model, therefore it just shows the structure related to the utility model.

[0027] As Figure 1 And Figure 2As shown, a soil remediation sample acquisition device comprises a pressing plate 1, a connecting column 2 arranged at the bottom of the pressing plate 1, and a power assembly arranged at the top of the pressing plate 1 for driving the connecting column 2 to rotate; the bottom of the connecting column 2 is sequentially provided with a plurality of middle section sampling barrels 3 and bottom section sampling barrels 4; the side surface close to the top of each of the middle section sampling barrels 3 and the bottom section sampling barrels 4 is provided with an external thread 5, and the inner side close to the bottom of the connecting column 2 and the middle section sampling barrels 3 is provided with an internal thread 6; the external thread 5 and the internal thread 6 are matched to realize threaded connection, and the bottom of each of the bottom section sampling barrels 4 is fixed with a plurality of teeth 7.

[0028] It should be noted that the side surface close to the top of the connecting column 2 is rotationally connected to the inner side of the pressing plate 1 through a bearing, each of the middle section sampling barrels 3 and the bottom section sampling barrels 4 is a hollow cylindrical type, and the connecting column 2, the middle section sampling barrels 3 and the bottom section sampling barrels 4 are coaxially arranged; when acquiring the soil sample, the bottom section sampling barrels 4 are vertically opposed to the soil surface, and through the cooperation of the power assembly, the connecting column 2 and the plurality of middle section sampling barrels 3 and bottom section sampling barrels 4 at the bottom can be driven to rotate, the operator manually limits the rotation direction of the pressing plate 1 and presses it down, the soil sample can be acquired to the inside of the middle section sampling barrels 3 and the bottom section sampling barrels 4 through the plurality of teeth 7 at the bottom of the bottom section sampling barrels 4 to realize sampling, and the external thread 5 on the middle section sampling barrels 3 and the bottom section sampling barrels 4 and the internal thread 6 on the connecting column 2 and the middle section sampling barrels 3 are utilized, since the external thread 5 and the internal thread 6 are matched to realize threaded connection, the middle section sampling barrels 3 which can be threadedly connected to each other can be adopted, the flexible adjustment of the sampling depth is realized, it is convenient for the operator to adjust the insertion depth of the sample acquisition device according to the sampling requirement, and then by combining different numbers of the middle section sampling barrels 3, not only the soil sample at the target depth can be ensured to be collected, but also the soil sample collection from the ground surface to different depths underground can be completed at one time, so that the distribution characteristics of the soil pollution on the vertical section can be more comprehensively understood.

[0029] In some embodiments, the side surface of each of the middle section sampling barrels 3 and the bottom section sampling barrels 4 is provided with a scale line 8 for conveniently observing the length thereof by the operator; through the arrangement of the scale line 8, the operator can control the sampling depth according to the length of each of the middle section sampling barrels 3 and the bottom section sampling barrels 4.

[0030] In some embodiments, the side surface of each of the middle section sampling barrels 3 and the bottom section sampling barrels 4 is provided with a visual window 9 for conveniently observing the internal condition thereof by the operator; through the arrangement of the visual window 9, the operator can observe the sampling condition of the soil inside each of the middle section sampling barrels 3 and the bottom section sampling barrels 4.

[0031] In some embodiments, the teeth 7 are in contact with each other, and the teeth 7 are evenly distributed in the circumferential direction on the bottom of the bottom sampling cylinder 4; when the bottom sampling cylinder 4 is rotated downward under pressure, the teeth 7 can be effectively used to rotate into the soil to achieve sampling by being evenly distributed in the circumferential direction on the bottom of the bottom sampling cylinder 4 and being in contact with each other.

[0032] As shown in Figure 3 In some embodiments, the power assembly includes a drive motor 10 mounted on the bottom of the pressing plate 1, a driving synchronous pulley 11 fixed on the output end of the drive motor 10 on the top of the pressing plate 1, and a driven synchronous pulley 12 fixed on one end of the connecting column 2 on the top of the pressing plate 1; the driving synchronous pulley 11 and the driven synchronous pulley 12 are engaged with a toothed belt 13.

[0033] It should be noted that the drive motor 10 is mounted on the bottom of the pressing plate 1 by bolts; when the bottom sampling cylinder 4 is sampling the ground, the drive motor 10 is controlled to start, driving the driving synchronous pulley 11 on the output end to rotate, and through the engagement of the toothed belt 13 between the driving synchronous pulley 11 and the driven synchronous pulley 12, the rotational motion of the driving synchronous pulley 11 can be stably transmitted to the connecting column 2, the middle sampling cylinder 3 and the bottom sampling cylinder 4, so as to provide stable and reliable rotational power to the connecting column 2.

[0034] In some embodiments, the top of the pressing plate 1 is fixed with a protective cover 14, and the driving synchronous pulley 11, the driven synchronous pulley 12 and the toothed belt 13 are located inside the protective cover 14; through the setting of the protective cover 14, the driving synchronous pulley 11, the driven synchronous pulley 12 and the toothed belt 13 can be closed and protected, avoiding safety hazards to the operator.

[0035] In some embodiments, the pressing plate 1 is fixed with a handle 15 on both sides for the operator to hold; after the operator holds the handle 15 on both sides of the pressing plate 1, it is convenient to control the bottom sampling cylinder 4 to be perpendicular to the ground, improving the path reliability when sampling the soil.

[0036] In some embodiments, the surface of the handle 15 is provided with anti-skid lines; through the setting of the anti-skid lines, the stability of the operator holding the handle 15 is improved.

[0037] The utility model discloses use when, utilize the outer thread 5 on middle section sampling cylinder 3 and bottom section sampling cylinder 4 and the inner thread 6 on connecting column 2 and middle section sampling cylinder 3, according to the sampling required combination different number of middle section sampling cylinder 3, make the connecting column 2 bottom and several middle section sampling cylinder 3 and bottom section sampling cylinder 4 assembly, the bottom section sampling cylinder 4 vertical opposite soil surface, the operator holds the handle 15 of pressing plate 1 both sides, the rotation direction of pressing plate 1 is limited, control starts drive motor 10, drives the rotation of driving synchronous pulley 11 of output end, through the meshing of toothed belt 13 between driving synchronous pulley 11 and driven synchronous pulley 12, can the rotation movement of driving synchronous pulley 11, stably transmission is to connecting column 2, middle section sampling cylinder 3 and bottom section sampling cylinder 4, press down pressing plate 1, when bottom section sampling cylinder 4 is under the pressurization and rotates, can effectively utilize the tooth 7 and rotate into the soil inside, obtain soil sample to the inside of middle section sampling cylinder 3 and bottom section sampling cylinder 4 and realize sampling, not only can ensure that the soil sample of target depth is collected, but also can complete the soil sample collection of different depth from the ground to the ground one time, can more comprehensively understand the distribution characteristics of soil pollution on vertical profile.

[0038] The above according to the ideal embodiment of the utility model is the inspiration, through the above-mentioned description, for the person skilled in the art, apparently, the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0039] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and the person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by the person skilled in the art.

Claims

1. A soil remediation sample acquisition device, characterized by, The utility model relates to a kind of sampling device, including: Pressing plate (1), connecting column (2) being arranged in the bottom of the pressing plate (1), and power assembly being arranged in the top of the pressing plate (1) for driving the connecting column (2) to make rotational motion; The bottom of the connecting column (2) is sequentially provided with several middle section sampling cylinders (3) and bottom section sampling cylinders (4);The side surface close to the top of the middle section sampling cylinder (3) and the bottom section sampling cylinder (4) is provided with external thread (5), and the inner side close to the bottom of the connecting column (2) and the middle section sampling cylinder (3) is provided with internal thread (6); The external thread (5) is matched with the internal thread (6) to realize threaded connection, and the bottom of the bottom section sampling cylinder (4) is fixed with several teeth (7).

2. A soil remediation sample acquisition device according to claim 1, wherein: The side surface close to the top of the connecting column (2) is rotatably connected with the inner side of the pressing plate (1) by bearing, the middle section sampling cylinder (3) and the bottom section sampling cylinder (4) are hollow cylindrical, and the connecting column (2), the middle section sampling cylinder (3) and the bottom section sampling cylinder (4) are coaxially arranged.

3. A soil remediation sample acquisition device according to claim 1, wherein: The side surface of the middle section sampling cylinder (3) and the bottom section sampling cylinder (4) is provided with scale line (8) for facilitating operator to observe its length.

4. The soil remediation sample acquisition device of claim 1, wherein: The side surface of the middle section sampling cylinder (3) and the bottom section sampling cylinder (4) is provided with visual window (9) for facilitating operator to observe its internal condition.

5. The soil remediation sample acquisition device of claim 1, wherein: Adjacent teeth (7) are in contact, and several teeth (7) are uniformly distributed in the bottom of the bottom section sampling cylinder (4).

6. A soil remediation sample acquisition device according to claim 1, wherein: The power assembly includes: drive motor (10) being installed in the bottom of the pressing plate (1), driving synchronous pulley (11) being fixed in the output end of the drive motor (10) located in the top of the pressing plate (1), and driven synchronous pulley (12) being fixed in one end of the connecting column (2) located in the top of the pressing plate (1);The driving synchronous pulley (11) and the driven synchronous pulley (12) are engaged with toothed belt (13) between them.

7. A soil remediation sample acquisition device according to claim 6, wherein: The top of the pressing plate (1) is fixed with protective cover (14), and the driving synchronous pulley (11), the driven synchronous pulley (12) and the toothed belt (13) are located in the inside of the protective cover (14).

8. A soil remediation sample acquisition device according to claim 6, wherein: The drive motor (10) is installed in the bottom of the pressing plate (1) by the cooperation of bolt.

9. A soil remediation sample acquisition device according to claim 1, wherein: The both sides of the pressing plate (1) are fixed with handle (15) for facilitating operator to hold.

10. A soil remediation sample acquisition device according to claim 9, wherein: The surface of the handle (15) is provided with anti-skid line.

Images