Soil sampler for soil pollution investigation

Abstract

The utility model discloses a soil sampler for soil pollution investigation, which comprises a sampling outer cylinder, a sampling inner cylinder mounted in the sampling outer cylinder in a matching manner, a positioning mechanism and a fastening mechanism, the positioning mechanism comprises scales, a positioning ring, fixing plates, fixing bolts, a rotating wheel and a positioning bolt, the scales are arranged on the front side and the rear side of the outer surface of the sampling outer cylinder, the positioning ring is slidably arranged in the middle of the outer surface of the sampling outer cylinder in a sleeving mode, and the fixing plates are arranged on the left side and the right side of the positioning ring; fixing bolts are in threaded connection in threaded holes formed in the front side and the rear side of the fixing plate correspondingly, rotating wheels are fixedly connected to the upper surfaces of the fixing bolts correspondingly, and positioning bolts are in threaded connection in threaded grooves in the front side and the rear side of the outer surface of the positioning ring correspondingly; when the soil sampler for soil pollution investigation is used for sampling hard soil, the soil sampler for soil pollution investigation is firmly fixed, the sampling depth can be fixed, the hard soil sample cannot fall off during sampling, and the influence on the sampling result is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil pollution detection technical field, concretely is a soil sampler for soil pollution investigation. BACKGROUND

[0002] Through soil detection, the condition of soil can be known, agricultural production efficiency can be improved, soil pollution problems can be found in time, corresponding treatment measures can be taken, human health and sustainable development of ecological environment can be guaranteed, and the soil pollution investigation is also so, for hard soil sampling, hard soil detection is composed of point distribution, sample collection, sample treatment, sample determination, environmental quality evaluation and quality assurance, and sample collection is an important part of soil detection, and the soil sampler for soil pollution investigation is needed for sample collection;

[0003] The existing soil sampler for hard soil pollution investigation is usually inserted into soil by the staff at the position needing soil pollution detection, then the handrail is pushed down to sample soil, the soil sampler for soil pollution investigation is pulled out from soil after sampling, and the soil sample is taken down.

[0004] The existing soil sampler for soil pollution investigation has the following problems: when sampling soil, the soil sampler for soil pollution investigation is not fixed firmly, the sampling depth is uncertain, and when sampling soft soil, the friction is increased due to the adsorption of the soft soil on the sampler, so that the soft soil sample cannot fall off, and when sampling hard soil, the hard soil sample falls off from the sampler due to small friction between the hard soil and the sampler, which affects the sampling result, therefore, the soil sampler for soil pollution investigation is provided. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a soil sampler for soil pollution investigation, which is fixed firmly when sampling hard soil, the sampling depth is certain, the hard soil sample does not fall off during sampling, the influence on the sampling result is avoided, and the problems in the background art can be effectively solved.

[0006] To achieve the above object, the utility model provides the following technical scheme: a soil sampler for soil pollution investigation, comprising a sampling outer cylinder, a sampling inner cylinder is installed in the sampling outer cylinder, a positioning mechanism and a fastening mechanism are further included.

[0007] Positioning mechanism: it includes scale, positioning ring, fixed plate, fixed bolt, rotating wheel and positioning bolt, the outer surface of the sampling outer cylinder is provided with scale on both sides, the outer surface of the sampling outer cylinder is slidably sleeved with a positioning ring in the middle, the left and right sides of the positioning ring are provided with fixed plates, the front and rear sides of the fixed plates are respectively provided with threaded holes, the fixed bolts are threadedly connected in the threaded holes, the upper surfaces of the fixed bolts are fixedly connected with rotating wheels, and the outer surfaces of the left and right sides of the positioning ring are provided with threaded grooves, and the positioning bolts are threadedly connected in the threaded grooves.

[0008] Fastening mechanism: it is arranged in the inside of the sampling inner cylinder, when hard soil sampling is carried out, the soil sampler for soil pollution investigation is fixed firmly, the sampling depth can be determined, the hard soil sample will not fall off during sampling, and the influence on the sampling result is avoided.

[0009] Further, a single-chip microcomputer is further arranged on the upper surface of the sampling outer cylinder, the input end of the single-chip microcomputer is electrically connected with the output end of the external power supply, and the single-chip microcomputer is used to control the soil sampler for soil pollution investigation to normally work.

[0010] Further, the fastening mechanism comprises a rotating plate, a gear one, a gear two and a motor, the rotating plate is rotatably connected in the rotating groove arranged in the inner wall of the sampling inner cylinder, the rotating plate is fixedly connected with the gear one through the vertical shaft arranged on the center of the upper surface, the gear two is fixedly connected on the upper end of the rotating shaft rotatably connected in the opening of the upper surface of the sampling inner cylinder, the gear one and the gear two are meshingly connected, the motor is fixedly connected on the left end of the upper surface of the sampling inner cylinder, the lower end of the output shaft of the motor is fixedly connected with the upper end of the rotating shaft, the input end of the motor is electrically connected with the output end of the single-chip microcomputer, and the motor drives the rotating plate to rotate to complete fastening.

[0011] Further, the fastening mechanism further comprises a fastening rope, the upper ends of the fastening ropes are fixedly connected with the lower surfaces of the rotating plates respectively, and the lower ends of the fastening ropes are fixedly connected with the lower wall of the sampling inner cylinder, so that the soil sample is fastened by rotating the fastening rope.

[0012] Further, the left and right sides of the sampling outer cylinder are provided with limiting grooves, and the left and right sides of the sampling inner cylinder are respectively provided with limiting rods, the limiting rods are slidably connected in the inside of the transversely adjacent limiting grooves, and the sampling inner cylinder is prevented from rotating.

[0013] Further, a hydraulic telescopic rod is further arranged, the hydraulic telescopic rod is arranged at the opening of the upper surface of the sampling outer cylinder, the lower end of the telescopic shaft of the hydraulic telescopic rod is fixedly connected with the upper surface of the sampling inner cylinder, and the input end of the hydraulic telescopic rod is electrically connected with the output end of the single-chip microcomputer, so that the sampling inner cylinder moves downward to sample.

[0014] Further, the lower end of the outer surface of the sampling outer cylinder is provided with uniformly distributed cracks, the lower end of the outer surface of the sampling outer cylinder is provided with uniformly distributed blades, the blades and the cracks are alternately distributed at equal angles with the center axis of the sampling outer cylinder as the center, and the lower end of the sampling inner cylinder is provided with uniformly distributed sawteeth, so that the soil sampler for soil pollution investigation is conveniently inserted into the soil for sampling.

[0015] Further, the upper end of the outer surface of the sampling outer cylinder is provided with a handrail, so that the staff can conveniently move the soil sampler for soil pollution investigation.

[0016] Compared with the prior art, the soil sampler for soil pollution investigation has the following advantages.

[0017] 1. When hard soil sampling is carried out, the positioning ring is pulled to a suitable scale, then the positioning bolt is rotated to fix the positioning ring, the fixed bolt is inserted into the hard soil by rotating the rotating wheel, and the fixing of the soil sampler for soil pollution investigation is completed, so that the soil sampler for soil pollution investigation is fixed firmly, the sampling depth can be fixed, and the influence on the hard pollution soil sampling result is avoided.

[0018] 2. When hard soil sampling is carried out, the friction between the hard soil and the sampling inner cylinder is small, the fastening cable is twisted and an external force is applied to the extracted hard soil sample, so that the friction is increased, the hard pollution soil sample is fastened in the inside of the sampling inner cylinder, and the influence on the sampling result caused by the falling of the hard pollution soil sample is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a structural schematic view of the utility model;

[0020] Fig. 2 It is a sectional structural schematic view of the utility model;

[0021] Fig. 3 It is a front structural schematic view of the utility model.

[0022] In the drawing: 1 sampling outer cylinder, 2 hydraulic telescopic rod, 3 sampling inner cylinder, 4 positioning mechanism, 41 scale, 42 positioning ring, 43 fixed plate, 44 fixed bolt, 45 rotating wheel, 46 positioning bolt, 5 fastening mechanism, 51 rotating plate, 52 gear one, 53 gear two, 54 fastening rope cable, 55 motor, 6 limiting groove, 7 limiting rod, 8 single-chip microcomputer, 9 blade, 10 sawtooth, 11 handrail. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present application.

[0024] Please refer to Figs. 1-3 The embodiment provides a technical scheme: a soil sampler for soil pollution investigation, which comprises a sampling outer cylinder 1, a sampling inner cylinder 3 which is installed in the sampling outer cylinder 1, a positioning mechanism 4 and a fastening mechanism 5, and a single-chip microcomputer 8 which is arranged on the upper surface of the sampling outer cylinder 1 and has an output end electrically connected to an output end of an external power supply. Limiting grooves 6 are formed in the left and right sides of the sampling outer cylinder 1, and limiting rods 7 are arranged on the left and right sides of the sampling inner cylinder 3 and are slidably connected to the limiting grooves 6. The soil sampler further comprises a hydraulic telescopic rod 2 which is arranged at the opening on the upper surface of the sampling outer cylinder 1 and has a telescopic shaft lower end fixedly connected to the upper surface of the sampling inner cylinder 3 and an input end electrically connected to the output end of the single-chip microcomputer 8. The lower end of the outer surface of the sampling outer cylinder 1 is provided with uniformly distributed cracks, and the lower end of the outer surface of the sampling outer cylinder 1 is provided with uniformly distributed cutting edges 9 which are alternately distributed at equal angles with the center axis of the sampling outer cylinder 1 as the center. The lower end of the sampling inner cylinder 3 is provided with uniformly distributed sawteeth 10, and the upper end of the outer surface of the sampling outer cylinder 1 is provided with a handrail 11. Before sampling, the staff first holds the soil sampler for soil pollution investigation on the hard soil where hard soil detection is needed by using the handrail 11, and then controls the single-chip microcomputer 8 to open the hydraulic telescopic rod 2, so that the telescopic shaft of the hydraulic telescopic rod 2 drives the sampling inner cylinder 3 to move downward along the limiting grooves 6. The sampling inner cylinder 3 moves downward and at the same time hard soil is loaded in the sampling inner cylinder 3, until the lower surface of the limiting rod 7 on the side of the sampling inner cylinder 3 is attached to the upper surface of the positioning ring 42, and then the hydraulic telescopic rod 2 can be closed.

[0025] Positioning mechanism 4: It includes scale 41, positioning ring 42, fixed plate 43, fixed bolt 44, rotating wheel 45 and positioning bolt 46, the outer surface of sampling outer cylinder 1 is provided with scale 41 on both sides, the outer surface of sampling outer cylinder 1 is slidably provided with positioning ring 42 in the middle, the left and right sides of positioning ring 42 are provided with fixed plate 43, the front and rear sides of fixed plate 43 are respectively provided with threaded holes, and fixed bolt 44 is threadedly connected in the threaded holes, the upper surfaces of fixed bolt 44 are fixedly connected with rotating wheel 45, and the outer surfaces of the front and rear sides of positioning ring 42 are threadedly connected with positioning bolt 46, then the staff needs to rotate positioning bolt 46 first, so that it is separated from sampling outer cylinder 1, then scale 41 outside sampling outer cylinder 1 is observed, positioning ring 42 is pulled to the appropriate position at the same time, positioning bolt 46 is rotated, positioning ring 42 is fixed to the outside of sampling outer cylinder 1, then sampling outer cylinder 1 is inserted into the hard soil to be sampled through the cutting edge 9 at the lower end of sampling outer cylinder 1, until positioning ring 42 is attached to the surface of the hard soil, then the staff rotates rotating wheel 45, drives fixed bolt 44 to rotate and moves downward at the same time, until fixed bolt 44 is inserted into the hard soil, the fixing of the soil sampler for soil pollution investigation is completed.

[0026] Fastening mechanism 5: It is arranged in the inside of sampling inner cylinder 3, fastening mechanism 5 includes rotating plate 51, gear one 52, gear two 53 and motor 55, rotating plate 51 is rotatably connected in the rotating groove arranged in the inner wall of sampling inner cylinder 3, gear one 52 is fixedly connected to the vertical shaft arranged on the upper surface center of rotating plate 51, gear two 53 is fixedly connected to the upper end of the rotating shaft rotatably connected in the opening of the upper surface of sampling inner cylinder 3, gear one 52 and gear two 53 are meshingly connected, motor 55 is fixedly connected to the left end of the upper surface of sampling inner cylinder 3, the lower end of the output shaft of motor 55 is fixedly connected to the upper end of the rotating shaft, the input end of motor 55 is electrically connected to the output end of single-chip microcomputer 8, fastening mechanism 5 further includes fastening cable 54, the upper ends of fastening cable 54 are fixedly connected to the lower surfaces of rotating plate 51, and the lower ends of fastening cable 54 are fixedly connected to the lower wall of sampling inner cylinder 3, then the staff controls single-chip microcomputer 8 to turn on motor 55, the output shaft of motor 55 rotates to drive gear two 53 to rotate, gear one 52 meshing with gear two 53 is driven to rotate, rotating plate 51 is driven to rotate, the upper end of fastening cable 54 is rotated, the lower end of fastening cable 54 is fixedly connected to sampling inner cylinder 3, sampling inner cylinder 3 cannot rotate under the action of limiting rod 7 and limiting groove 6, fastening cable 54 is twisted and applies external force to the hard soil sample taken, the hard soil sample is fastened in the inside of sampling inner cylinder 3, the hard soil sample is prevented from falling off, then the staff pulls soil pollution investigation soil sampler out of the hard soil through handrail 11, then controls fastening cable 54 to loosen the hard soil sample, takes the hard soil sample out of sampling inner cylinder 3, and the sampling work of the hard soil sample is completed.

[0027] The working principle of the soil sampler for soil pollution investigation provided by the utility model is as follows: before sampling the hard contaminated soil, the staff first takes the soil sampler for soil pollution investigation to the hard land where the hard soil detection needs to be performed through the handrail 11, then the staff needs to first rotate the positioning bolt 46 to make it separate from the sampling outer cylinder 1, then watches the scale 41 outside the sampling outer cylinder 1, simultaneously pulls the positioning ring 42 to the appropriate position, then rotates the positioning bolt 46 to make the positioning ring 42 tightly fixed to the outside of the sampling outer cylinder 1, after that, the sampling outer cylinder 1 is inserted into the hard soil to be sampled through the blade 9 at the lower end of the sampling outer cylinder 1 until the positioning ring 42 is attached to the surface of the hard soil, then the staff rotates the rotating wheel 45 to drive the fixed bolt 44 to rotate while moving downward until the fixed bolt 44 is inserted into the hard soil, the fixing of the soil sampler for soil pollution investigation is completed, then the staff controls the single-chip microcomputer 8 to open the hydraulic telescopic rod 2, the telescopic shaft of the hydraulic telescopic rod 2 drives the sampling inner cylinder 3 to move downward along the limiting groove 6, the sampling inner cylinder 3 moves downward to load the hard soil in the inside of the sampling inner cylinder 3 until the lower surface of the limiting rod 7 at the side of the sampling inner cylinder 3 is attached to the upper surface of the positioning ring 42, that is, the hydraulic telescopic rod 2 can be closed, then the staff controls the single-chip microcomputer 8 to open the motor 55, the output shaft of the motor 55 rotates to drive the gear two 53 to rotate, simultaneously drives the gear one 52 engaged with the gear two 53 to rotate, drives the rotating plate 51 to rotate, makes the upper end of the fastening cable 54 rotate, the lower end of the fastening cable 54 is fixedly connected with the sampling inner cylinder 3 and cannot move, the sampling inner cylinder 3 cannot rotate under the action of the limiting rod 7 and the limiting groove 6, causes the fastening cable 54 to be screwed and to apply external force to the hard soil sample taken out, fastens the hard soil sample in the inside of the sampling inner cylinder 3, avoids the hard soil sample from falling off, after that, the staff takes out the soil sampler for soil pollution investigation from the hard soil through the handrail 11, then controls the fastening cable 54 to loosen the hard soil sample, takes out the hard soil sample from the sampling inner cylinder 3, that is, the sampling work of the hard soil sample can be completed.

[0028] It is worth noting that the single-chip microcomputer 8 disclosed in the above embodiment can select MSP430, the motor 55 can select YB2280-4W, the hydraulic telescopic rod 2 can select SLEL506 series electric hydraulic telescopic push rod, and the single-chip microcomputer 8 controls the motor 55 and the hydraulic telescopic rod 2 to work by using the method commonly used in the prior art.

[0029] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion or direct or indirect application in other related technical fields by using the utility model specification and the attached drawings is also included in the patent protection range of the utility model.

Claims

1. A soil sampler for soil pollution investigation, comprising a sampling outer cylinder (1), a sampling inner cylinder (3) is fitted and installed in the inside of the sampling outer cylinder (1), characterized in that: It also includes positioning mechanism (4) and fastening mechanism (5); Positioning mechanism (4): it includes scale (41), positioning ring (42), fixed plate (43), fixed bolt (44), rotating wheel (45) and positioning bolt (46), the outer surface of the sampling outer cylinder (1) is provided with scale (41) on both sides, the outer surface of the sampling outer cylinder (1) is provided with positioning ring (42) in the middle, the left and right sides of the positioning ring (42) are provided with fixed plate (43), the threaded holes on the front and back sides of the fixed plate (43) are respectively provided with fixed bolt (44), the upper surface of the fixed bolt (44) is fixedly connected with rotating wheel (45), and the outer surface of the positioning ring (42) is provided with positioning bolt (46) in the threaded groove on both sides. The fastening mechanism (5) is arranged in the inside of the sampling inner cylinder (3).

2. The soil sampler for investigating soil pollution according to claim 1, characterized by: It also includes single-chip microcomputer (8), which is arranged on the upper surface of the sampling outer cylinder (1), and the input end of the single-chip microcomputer (8) is electrically connected with the output end of the external power supply.

3. A soil sampler for investigating soil pollution according to claim 2, characterized in that: The fastening mechanism (5) includes rotating plate (51), gear one (52), gear two (53) and motor (55), the rotating plate (51) is rotatably connected in the rotating groove on the inner wall of the sampling inner cylinder (3), the rotating plate (51) is fixedly connected with gear one (52) through the vertical shaft arranged on the center of the upper surface, the upper end of the rotating shaft rotatably connected in the opening on the upper surface of the sampling inner cylinder (3) is fixedly connected with gear two (53), gear one (52) and gear two (53) are engaged, the left end of the upper surface of the sampling inner cylinder (3) is fixedly connected with motor (55), the lower end of the output shaft of the motor (55) is fixedly connected with the upper end of the rotating shaft, and the input end of the motor (55) is electrically connected with the output end of the single-chip microcomputer (8).

4. A soil sampler for investigating soil pollution according to claim 3, characterized in that: The fastening mechanism (5) further includes fastening rope cable (54), the upper end of the fastening rope cable (54) is fixedly connected with the lower surface of the rotating plate (51), and the lower end of the fastening rope cable (54) is fixedly connected with the lower wall of the sampling inner cylinder (3).

5. The soil sampler for investigating soil pollution according to claim 1, characterized by: The left and right sides of the sampling outer cylinder (1) are provided with limiting grooves (6), and the left and right sides of the sampling inner cylinder (3) are respectively provided with limiting rods (7), the limiting rods (7) are slidably connected in the inside of the transversely adjacent limiting grooves (6).

6. The soil sampler for investigating soil pollution according to claim 2, characterized by: It also includes hydraulic telescopic rod (2), which is arranged at the opening on the upper surface of the sampling outer cylinder (1), the lower end of the telescopic shaft of the hydraulic telescopic rod (2) is fixedly connected with the upper surface of the sampling inner cylinder (3), and the input end of the hydraulic telescopic rod (2) is electrically connected with the output end of the single-chip microcomputer (8).

7. The soil sampler for investigating soil pollution according to claim 1, characterized by: The lower end of the outer surface of the sampling outer cylinder (1) is provided with evenly distributed cracks, the lower end of the outer surface of the sampling outer cylinder (1) is provided with evenly distributed blades (9), the blades (9) and the cracks are alternately distributed at equal angles with the center axis of the sampling outer cylinder (1) as the center, and the lower end of the sampling inner cylinder (3) is provided with evenly distributed sawteeth (10).

8. The soil sampler for investigating soil pollution according to claim 1, characterized by: The upper end of the outer surface of the sampling outer cylinder (1) is provided with handrails (11).

Images