Soil stratified sampler for environmental assessment

Abstract

The utility model relates to the technical field of environmental monitoring, and discloses a soil stratified sampler for environmental assessment, which comprises a grip 1, the bottom of the grip 1 is fixedly connected with a connecting rod, the outer side of the connecting rod is provided with a dial gauge, the top of the grip 1 is provided with a bulldozing mechanism, the bottom of the connecting rod is fixedly connected with a collection cylinder, and the bottom of the collection cylinder is provided with a soil sampling device. A depth adjusting mechanism is arranged on the outer side of the upper portion of the connecting rod and comprises a positioning disc, a fixing assembly and an elastic adjusting assembly are arranged in the positioning disc, an adjusting rod is slidably connected into the positioning disc, and a handle is inserted into the end, away from the positioning disc, of the adjusting rod. According to the soil sampling device, through mutual cooperation of the positioning disc and the adjusting rod, flexible adjustment of the sampling depth can be achieved, a completed soil sample can be taken out, the operation convenience is improved, the second grip is used for driving the push block to completely take out the soil sample, and the sample is prevented from being scattered in the sampling cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of environmental science and engineering technology, especially relates to a soil layered sampler for environmental impact assessment. BACKGROUND

[0002] Environmental science and engineering technology covers the protection and pollution control of natural resources such as soil, air and water, aiming to assess, control and repair harmful substances in the environment to ensure the sustainable development of the ecological system and human health. This field involves environmental monitoring, pollution prevention and control, ecological restoration and environmental management, and has important significance for the management of natural resources and the control of pollutants. In environmental impact assessment (EIA), soil quality detection is particularly important. In order to obtain accurate soil data, a soil sampler for EIA is developed, which can help researchers accurately collect and analyze the physical and chemical properties of soil and the degree of pollution, and provide reliable data support for formulating scientific environmental protection measures.

[0003] The existing soil sampler can only collect soil samples at the surface, and it is difficult to meet the soil sampling requirements of specified depth, especially when studying the composition and structure of deep soil. To obtain deep soil samples, a pit is usually dug to the target depth first, and then the sampler is put in for sampling. However, after the sampler is inserted into the ground, it is often difficult to take out, and using more force to take it out may damage the structure of the soil sample, affecting the representativeness of the sample and the accuracy of the analysis. This traditional method not only consumes manpower and time, but also easily destroys the natural soil layers, so it is urgent to design an improved soil sampler to efficiently complete the soil sampling of different depths without damaging the sample.

[0004] In view of the above problems, a soil layered sampler for environmental impact assessment is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a soil layered sampler for environmental impact assessment, aiming to improve the problem that the existing soil sampler is difficult to sample soil samples of specified depth.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a soil layered sampler for environmental impact assessment, comprising: a handle one, the bottom of the handle one is fixedly connected with a connecting rod, a scale table is opened on the outer side of the connecting rod, a bulldozing mechanism is arranged on the top of the handle one, a collecting cylinder is fixedly connected to the bottom of the connecting rod, and a depth adjusting mechanism is arranged on the outer side of the upper part of the connecting rod.

[0007] The depth adjusting mechanism comprises a positioning disc, the inside of the positioning disc is provided with a fixing assembly and an elastic adjusting assembly, an adjusting rod is slidably connected in the inside of the positioning disc, and a handle is inserted at the end of the adjusting rod away from the positioning disc.

[0008] As a further description of the above technical solution:

[0009] The fixing assembly comprises a bolt, the bolt is slidably connected in the inside of the positioning disc, and a limiting plate is fixedly connected at one end of the bolt.

[0010] As a further description of the above technical solution:

[0011] The elastic adjusting assembly comprises two springs, the two springs are respectively located at the two sides of the adjusting rod, and one end of the spring is fixedly connected to the outside of the limiting plate.

[0012] As a further description of the above technical solution:

[0013] The bulldozing mechanism comprises a second handle, a top rod is fixedly connected to the bottom of the second handle, and a pushing block is fixedly connected to the bottom of the top rod.

[0014] As a further description of the above technical solution:

[0015] The side wall of the connecting rod is provided with a plurality of positioning holes, and the outside of the bolt is inserted into the inside of the positioning hole.

[0016] As a further description of the above technical solution:

[0017] The bottom of the collecting cylinder is inclined at an angle of 30 degrees.

[0018] As a further description of the above technical solution:

[0019] The outside of the top rod is slidably connected in the inside of the first handle, and the outside of the pushing block is slidably connected in the inside of the collecting cylinder.

[0020] As a further description of the above technical solution:

[0021] The positioning disc is slidably connected to the outside of the connecting rod.

[0022] The utility model has the advantages of the following:

[0023] 1、The sampler is combined with the positioning disc and the adjusting rod, so that the sampling depth can be flexibly adjusted.

[0024] 2、The utility model discloses a push block is designed in the inside of the collection cylinder, can control push block through handle no. 2 and jacks, when the soil sample is taken out, can take out the soil sample completely through the downward pressing handle no. 2, avoided the sample scattering in the collection cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of the soil layered sampler for environmental evaluation is provided for the utility model;

[0026] Figure 2 A structure schematic view of the collection cylinder of the soil layered sampler for environmental evaluation is provided for the utility model;

[0027] Figure 3 A structure schematic view of the bolt of the soil layered sampler for environmental evaluation is provided for the utility model.

[0028] LEGEND:

[0029] 1, handle one;2, connecting rod;3, collection cylinder;4, scale table;5, bulldozing mechanism;501, handle no. 2;502, jack;503, push block;6, depth adjusting mechanism;601, positioning disc;602, positioning hole;603, adjusting rod;604, limit plate;605, spring;606, bolt;607, handle. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] REFERENCE Figures 1-3The utility model provides a kind of embodiment: a soil layering sampler for environmental impact assessment, including handle one 1, the bottom of handle one 1 is fixedly connected with connecting rod 2, scale table 4 is established in the outside of connecting rod 2, the bottom of connecting rod 2 is fixedly connected with collection cylinder 3, the bottom of collection cylinder 3 is 30 ° inclination angle, the upper outer side of connecting rod 2 is provided with depth adjustment mechanism 6, depth adjustment mechanism 6 includes positioning disc 601, positioning disc 601 is slidably connected in the outside of connecting rod 2, the inside of positioning disc 601 is provided with fixed assembly and elastic adjustment assembly, adjusting rod 603 is slidably connected in the inside of positioning disc 601, handle 607 is inserted in the end of adjusting rod 603 away from positioning disc 601, fixed assembly includes bolt 606, bolt 606 is slidably connected in the inside of positioning disc 601, a plurality of positioning holes 602 are established in the side wall of connecting rod 2, bolt 606 is inserted in the inside of positioning hole 602 outside, the end of bolt 606 is fixedly connected with limit plate 604, elastic adjustment assembly includes two springs 605, two springs 605 are located at the two sides of adjusting rod 603 respectively, one end of spring 605 is fixedly connected in the outside of limit plate 604.

[0032] Specifically, the bottom of handle one 1 is fixedly connected with a connecting rod 2, a scale table 4 is established in the outside of the connecting rod 2, the depth of the equipment is observed by the staff, the bottom of the connecting rod 2 is provided with a collection cylinder 3, and the bottom of the collection cylinder 3 is 30 ° inclined, which is convenient for inserting the equipment into the ground, the outside of the connecting rod 2 is slidably provided with a positioning disc 601, the inside of the positioning disc 601 is slidably provided with an adjusting rod 603, and one end of the adjusting rod 603 is connected with a bolt 606 through a limit plate 604, under the action of two springs 605, the bolt 606 is inserted into the positioning hole 602 formed in the side wall of the connecting rod 2, the staff can pull out the bolt 606 by pulling the handle 607, slide the positioning disc 601 to the positioning hole 602 corresponding to the required depth, and the bolt 606 can be automatically inserted into the positioning hole 602, which is convenient for the staff to take samples in the vertical direction and reduces the possibility of soil sample contamination.

[0033] Reference Figure 1 The top of the handle one 1 is provided with a bulldozing mechanism 5, the bulldozing mechanism 5 includes a handle two 501, the bottom of the handle two 501 is fixedly connected with a top rod 502, the bottom of the top rod 502 is fixedly connected with a push block 503, the outside of the top rod 502 is slidably connected in the inside of the handle one 1, and the outside of the push block 503 is slidably connected in the inside of the collection cylinder 3.

[0034] Specifically, the top of the handle one 1 is provided with a handle two 501, after the sample is taken out, the handle two 501 can be pressed down, the top rod 502 drives the push block 503 to move downward to push out the soil sample, without additional equipment, and the integrity of the sample can be guaranteed.

[0035] Working principle: after reaching the designated sampling point, the collecting cylinder 3 is inserted into the underground to determine the depth of the soil sample to be collected, by pulling the adjusting rod 603 on both sides of the positioning disc 601, and then driving the pin 606 to slide out of the positioning hole 602, then sliding the positioning disc 601 up and down, the pin 606 can be automatically inserted into the specified positioning hole 602 under the action of the spring 605, the user uses both hands to press the handle 1 and continuously rotates, so that the device slowly penetrates into the underground to take the sample, when the device with the sample is taken out, the soil sample is completely pushed out by pressing the handle 2 and driving the push block 503.

[0036] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A soil stratification sampler for environmental impact assessment, comprising a handle (1), characterized in that: The bottom of the grip (1) is fixedly connected to a connecting rod (2), a scale (4) is provided on the outside of the connecting rod (2), a bulldozing mechanism (5) is provided on the top of the grip (1), a collection tube (3) is fixedly connected to the bottom of the connecting rod (2), and a depth adjustment mechanism (6) is provided on the upper outside of the connecting rod (2). The depth adjustment mechanism (6) includes a positioning disk (601), which has a fixing component and an elastic adjustment component inside. An adjustment rod (603) is slidably connected inside the positioning disk (601), and a handle (607) is inserted into the end of the adjustment rod (603) away from the positioning disk (601).

2. The soil stratification sampler for environmental impact assessment according to claim 1, characterized in that: The fixing component includes a pin (606) which is slidably connected inside the positioning disk (601), and one end of the pin (606) is fixedly connected to a limiting plate (604).

3. A soil stratification sampler for environmental impact assessment according to claim 2, characterized in that: The elastic adjustment assembly includes two springs (605), which are located on both sides of the adjustment rod (603), and one end of each spring (605) is fixedly connected to the outside of the limiting plate (604).

4. The soil stratification sampler for environmental impact assessment according to claim 1, characterized in that: The bulldozing mechanism (5) includes a second handle (501), a top rod (502) is fixedly connected to the bottom of the second handle (501), and a push block (503) is fixedly connected to the bottom of the top rod (502).

5. A soil stratification sampler for environmental impact assessment according to claim 2, characterized in that: The side wall of the connecting rod (2) is provided with a plurality of positioning holes (602), and the outer side of the pin (606) is inserted into the interior of the positioning holes (602).

6. A soil stratification sampler for environmental impact assessment according to claim 1, characterized in that: The bottom of the collection tube (3) is tilted at a 30° angle.

7. A soil stratification sampler for environmental impact assessment according to claim 4, characterized in that: The outer side of the top rod (502) is slidably connected to the inside of the handle (1), and the outer side of the push block (503) is slidably connected to the inside of the collection tube (3).

8. A soil stratification sampler for environmental impact assessment according to claim 1, characterized in that: The positioning disk (601) is slidably connected to the outside of the connecting rod (2).

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