Soil sampling device

Abstract

The utility model belongs to the technical field of sampling, and particularly discloses a soil sampling device which comprises a tubular sampling barrel with a drill bit at one end, a rod body, a plurality of samplers and a driving part, a plurality of through holes are formed in the sampling cylinder in the axial direction; the rod body is coaxially arranged in the sampling cylinder, the first end of the rod body is coaxially and rotatably connected with the tip of the sampling cylinder, and the second end extends out of the open end of the sampling cylinder; the plurality of sampling devices are arranged on the rod body and correspond to the plurality of through holes, and each sampling device can extend out of the corresponding through hole; the driving part is respectively connected with the open end of the sampling cylinder and the second end of the rod body. The sampling barrel is driven by the driving component to enter a soil body, so that the drilling burden of an operator is greatly relieved, and the sampling efficiency is improved. The sampling cylinder enters a soil body, the plurality of sampling devices are arranged along the axial direction of the sampling cylinder, and penetrate through the through holes formed in the sampling cylinder, so that soil samples of different soil layers are collected at one time, and the sampling efficiency is greatly improved.

Description

Technical Field

[0001] The utility model discloses a soil sampling device and belongs to the technical field of sampling. Background Art

[0002] Soil sample collection and analysis of its physical and chemical properties are widely used in construction engineering, environmental science, geology, agricultural production and other fields.

[0003] The soil sampling device is a basic tool for obtaining soil samples. In the prior art, a sampling tube is generally inserted into the soil to obtain soil samples. Such a soil sampling device is only suitable for obtaining soil samples at a single depth, and cannot obtain soil samples at different depths at the same location. If soil samples at different depths need to be obtained, multiple samplings need to be performed in the same sampling hole, and each sampling depth is different. When this sampling device is used for sampling, each sampling will affect each other, affecting the accuracy of the test results. At the same time, the sampling efficiency is low. Utility Model Content

[0004] The utility model overcomes the shortcomings of the prior art and provides a soil sampling device, comprising: a tubular sampling tube with a drill bit at one end, a rod body, a plurality of samplers and a driving component;

[0005] The outer ring of the sampling tube is welded with a spiral blade;

[0006] The sampling tube is provided with a plurality of through holes along the axial direction;

[0007] The rod body is coaxially arranged in the sampling cylinder, the first end of the rod body is coaxially rotatably connected to the tip of the sampling cylinder, and the second end extends out of the opening end of the sampling cylinder;

[0008] The plurality of samplers are arranged on the rod body and correspond to the plurality of through holes, and each of the samplers can extend out of the through hole;

[0009] The driving component is connected to the opening end of the sampling cylinder and the second end of the rod body respectively.

[0010] Preferably, a telescopic rod is provided between each of the samplers and the rod body;

[0011] One end of the telescopic rod is connected to the rod body, and the other end is connected to the sampler.

[0012] Preferably, the sampling device further comprises a guide plate disposed in the sampling cylinder;

[0013] Both ends of the guide plate are fixed on the inner wall of the sampling tube, and a plurality of guide holes corresponding to the plurality of samplers are arranged on the guide plate;

[0014] The plurality of samplers pass through the plurality of guide holes.

[0015] Preferably, the sampling device further comprises a plurality of baffle components arranged on the outer wall of the sampling tube;

[0016] Each of the baffle components is correspondingly covered on one of the through holes, and the baffle components are used to cover the through hole when the sampler is retracted into the through hole.

[0017] Preferably, each of the baffle components comprises a baffle plate, a rotating shaft and a reset member;

[0018] One side of the shielding plate is rotatably connected to the outer wall of the sampling cylinder through the rotating shaft;

[0019] The resetting member is arranged between the rotating shaft and the sampling cylinder.

[0020] Preferably, the sampling device further comprises a mounting frame;

[0021] The driving component is arranged on the mounting frame.

[0022] Preferably, a storage box is provided on the mounting frame;

[0023] A plurality of storage boxes are arranged in the storage box.

[0024] Preferably, the driving component comprises an electric screw rod, and the open end of the sampling cylinder is connected to the electric screw rod.

[0025] Preferably, a drill bit is provided at the tip of the sampling tube, and a spiral blade is welded on the outer ring of the sampling tube. Preferably, a handle is provided at the second end of the rod body;

[0026] The handle is fixedly connected to the rod body.

[0027] Beneficial effects: The utility model drives the sampling barrel into the soil through the driving component, which greatly relieves the drilling burden of the operator and improves the sampling efficiency. The sampling barrel of the utility model enters the soil, and multiple samplers arranged along the axial direction of the sampling barrel pass through the through holes opened on the sampling barrel to collect soil samples from different soil layers at one time, which greatly improves the sampling efficiency.

[0028] The utility model prevents the soil from entering the sampler through the through hole when the sampling tube is drilling into the soil, by means of a blocking piece component arranged on the outer wall of the sampling tube for blocking the through hole, thereby ensuring the purity of the soil sample.

[0029] The multiple storage boxes of the utility model are arranged on the sampling device, which is convenient for carrying soil samples and avoids the need for sampling personnel to carry sampling boxes alone when going out for sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is an overall schematic diagram of the sampling device in the embodiment of the utility model;

[0031] Figure 2 This is a schematic diagram of a sampling tube and a rod body in an embodiment of the utility model;

[0032] Figure 3 This is a schematic diagram of the structure inside the sampling tube in the embodiment of the utility model;

[0033] Figure 4 It is a schematic diagram of the baffle component in the embodiment of the utility model.

[0034] In the figure: 1, mounting frame; 2, sampling tube; 21, rod body; 231, sampler; 234, telescopic rod; 235, guide plate; 3, baffle component; 31, rotating shaft; 32, reset member; 33, baffle plate 4, driving component; 5, storage box; 6, storage box. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in combination with specific implementation methods. It should be understood that the specific implementation methods described here are only used to explain the utility model and do not limit the protection scope of the utility model.

[0036] like Figures 1 to 4 As shown, in one embodiment, a soil sampling device includes: a tubular sampling tube 2 with a drill bit at one end, a rod body 21, a plurality of samplers 231 and a driving component 4; a spiral blade is welded on the outer ring of the sampling tube 2; a plurality of through holes are opened on the sampling tube 2 along the axial direction; the rod body 21 is coaxially arranged in the sampling tube 2, the first end of the rod body 21 is coaxially rotatably connected to the tip of the sampling tube 2, and the second end extends out of the open end of the sampling tube 2; a plurality of samplers 231 are arranged on the rod body 21 and correspond to the plurality of through holes, and each sampler 231 can extend out of the through hole; the driving component 4 is respectively connected to the open end of the sampling tube 2 and the second end of the rod body 21.

[0037] Specifically, in the utility model, the sampling tube 2 is a tubular structure with a drill bit at one end, and the end with the drill bit is a tip. The surface of the sampling tube 2 is provided with a plurality of through holes along the axial direction, wherein the cross section of the through holes is determined according to the cross section of the sampler 231, and the distance between the plurality of through holes is determined according to the distance between the pre-sampled multiple soil layers. The sampler 231 is a accommodating cavity with an opening at one end, and the open end of the sampler 231 faces the through hole. Specifically, in the present embodiment, the cross section of the sampler 231 is circular, and correspondingly, the aperture and the opening shape of the through hole in the present embodiment match the cross section of the sampler 231. In the utility model, the rod body 21 is arranged along the axial direction of the sampling tube 2, and its first end is coaxially rotatably connected with the tip of the sampling tube 2, and the second end extends out of the open end of the sampling tube 2; the driving component 4 is respectively connected with the open end of the sampling tube 2 and the second end of the rod body 21, and is used to drive the sampling tube 2 to drill into the soil. It should be understood that when the sampling barrel 2 is drilling, the rod body 21 and the sampler 231 disposed on the rod body 21 rotate at the same speed, and after the rotation stops, the sampler 231 and the through hole on the sampling barrel 2 remain aligned. The driving component 4 drives the sampler to extend out of the through hole to take samples. The driving component in this embodiment provides power for the sampler to insert the sampling device, which greatly reduces the burden of drilling, so that the sampler with less strength can easily take samples.

[0038] Furthermore, a telescopic rod 234 is provided between each sampler 231 and the rod body 21 ; one end of the telescopic rod 234 is connected to the rod body 21 , and the other end is connected to the sampler 231 .

[0039] To ensure that the sampler 231 can extend out of the through hole, in the utility model, a telescopic rod 234 is provided between each sampler 231 and the rod body 21, one end of the telescopic rod 234 is fixedly connected to the rod body 21, and the other end is fixedly connected to the closed end of the sampler 231, so that its open end faces the through hole. The driving component 4 drives the multiple telescopic rods 234 to extend, driving the sampler 231 to extend out of the through hole.

[0040] Specifically, Figure 3 As shown, in this embodiment, the telescopic rod 234 is a rod of fixed length, one end of which is hinged to the rod body 21, and the other end is hinged to the closed end of the sampler 231. The driving component 4 drives the second end of the rod body 21 to drive the rod body 21 to rotate. When the rod body 21 rotates, the distance between the connection between the telescopic rod 234 and the rod body 21 and the through hole becomes closer, and the telescopic rod 234 of fixed length drives the sampler 231 to extend out of the through hole for sampling. It should be noted that when the rod body 21 rotates, the sampler 231 is pushed out of the through hole, and the extension distance is related to the rotation radius of the rod body 21. Therefore, the radius of the rod body 21 is determined according to the extension length of the sampler 231; in another embodiment, a connecting rod can be set between the telescopic rod 234 and the rod body 21, one end of the connecting rod is fixed on the rod body 21, and the other end is hinged to one end of the telescopic rod 234.

[0041] Specifically, the utility model further includes a gasket, which is arranged in the sampler 231, located at the closed end of the sampler 231, and connected to the driving component 4. Driven by the driving component 4, the gasket slides in the sampler 231 toward the open end of the sampler 231 to push out the sample collected in the sampler 231, and assist the sample to escape from the sampler.

[0042] Furthermore, the sampling device also includes a guide plate 235 arranged in the sampling tube 2; both ends of the guide plate 235 are fixed on the inner wall of the sampling tube 2, and a plurality of guide holes corresponding to the plurality of samplers 231 are arranged on the guide plate 235; and the plurality of samplers 231 pass through the plurality of guide holes.

[0043] Specifically, to ensure that the sampler 231 is aligned with the through hole, it can smoothly extend out of the through hole during sampling. In this embodiment, a guide plate 235 is also included, which is fixedly connected to the inner wall of the sampling tube 2, and a plurality of guide holes corresponding to the plurality of samplers 231 are arranged on its surface, so that each sampler 231 passes through the guide hole on the guide plate 235. This prevents the sampler 231 from being displaced and misaligned with the through hole provided on the sampling tube 2 when the sampling tube 2 and the rod body 21 are drilled into the soil. At the same time, the guide plate 235 prevents the rod body 21 from rotating, which pushes the sampler 231 to extend out of the through hole and deflects.

[0044] Furthermore, the sampling device also includes a plurality of baffle components 3 arranged on the outer wall of the sampling tube 2; each baffle component 3 is correspondingly covered on a through hole, and the baffle component 3 is used to cover the through hole when the sampler 231 is retracted into the through hole.

[0045] Specifically, in order to ensure that the soil enters the sampling tube 2 through the through hole during the drilling process, causing the soil sample to be mixed, a plurality of baffle components 3 are provided on the outer wall of the sampling tube 2, and each baffle component 3 covers a through hole. In another embodiment, the baffle component 3 is controlled by the driving component 4, and can rotate or slide under the control of the driving component 4 to cover or expose the through hole.

[0046] Furthermore, each baffle member 3 includes a shielding plate 33 , a rotating shaft 31 and a reset member 32 ; one side of the shielding plate 33 is rotatably connected to the outer wall of the sampling tube 2 via the rotating shaft 31 ; and the reset member 32 is disposed between the rotating shaft 31 and the sampling tube 2 .

[0047] Specifically, in this embodiment, each baffle member 3 includes a shielding plate 33, a rotating shaft 31 and a reset member 32; one side of the shielding plate 33 is rotatably connected to the outer wall of the sampling tube 2 through the rotating shaft 31; and the reset member 32 is arranged between the rotating shaft 31 and the sampling tube 2. The shielding plate 33 is tightly fitted to the outer wall of the sampling tube 2. When the sampling tube 2 is drilled into the soil, the shielding plate 33 is tightly fitted to the outer wall of the sampling tube 2 to prevent the soil from entering the sampling tube 2. When sampling, the rod body 21 rotates to push the sampler 231 to push open the shielding plate 33 and extend out of the through hole. When the sampler 231 completes sampling and retracts into the sampling tube 2, the rotating shaft 31 rotates the shielding plate 33 under the action of the reset member 32 to keep fitting with the outer wall of the sampling tube 2 and block the through hole.

[0048] Furthermore, the sampling device also includes a mounting frame 1 ; the driving component 4 is arranged on the mounting frame 1 .

[0049] Furthermore, a storage box 5 is provided on the mounting frame 1 ; a plurality of storage boxes 6 are provided in the storage box 5 .

[0050] Specifically, in this embodiment, a storage box 5 is provided on the mounting frame 1, and a plurality of storage boxes 6 are provided in the storage box 5, and the storage boxes 6 are used to store the collected soil samples, so as to avoid the sampling personnel carrying a plurality of sampling boxes separately when working in the field, thereby reducing the burden.

[0051] Furthermore, the driving component 4 includes an electric screw rod, and the open end of the sampling tube 2 is connected to the electric screw rod.

[0052] Specifically, in this embodiment, the driving component 4 is an electric screw rod, and the opening end of the sampling tube 2 and the second end of the rod body 21 are fixedly connected to the electric screw rod. The driving component 4 also includes a servo motor, which is connected to the second end of the rod body 21 to drive the rod body 21 to rotate.

[0053] Furthermore, a drill bit is provided at the tip of the sampling tube 2 .

[0054] Specifically, in order to facilitate the sampling tube 2 to drill into the soil, a drill bit is provided at the tip of the sampling tube 2. Specifically, the sampling tube 2 in this embodiment is provided with a spiral blade to facilitate the sampling tube 2 to drill.

[0055] Furthermore, a handle is provided at the second end of the rod body 21 ; the handle is fixedly connected to the rod body 21 .

[0056] Specifically, in the utility model, a handle is provided at the second end of the rod body 21, the handle is vertically arranged with the rod body 21, and the handle is fixedly connected with the rod body 21, so that the sampling personnel can freely control the rotation of the rod body 21. Specifically, in another embodiment, a second handle is also provided at the open end of the sampling tube 2, so that when there is no electricity, the sampling personnel can manually insert the sampling tube 2 into the soil, and control the rotation of the rod body 21 by the handle to complete the sampling.

[0057] The working process of this embodiment is as follows: first, in the soil area to be sampled, the drill bit at the tip of the sampling tube 2 is directed toward the ground surface, so that the sampling tube 2 is perpendicular to the soil, and the driving component 4 drives the sampling tube 2 to rotate, so that the sampling tube 2 drills into the soil until the preset depth; then, the rod body 21 is rotated by a servo motor or manually, and then the sampler 231 is pushed to push open the shielding plate 33 and extend out of the through hole provided on the sampling tube 2, wherein the through hole and the sampler 231 are arranged axially on the sampling tube 2, so that after the sampler 231 extends out of the through hole, sampling of different soil layers is performed corresponding to soil layers of different depths. After the sampling is completed, the servo motor or the rod body 21 is rotated manually, so that the sampler 231 is retracted into the sampling tube 2, and the shielding plate 33 is reset under the action of the reset member 32 and fits the outer wall of the sampling tube 2, so that other soil bodies are prevented from entering the sampler 231 when the sampling device is pulled out, thereby ensuring the purity of the sample; finally, the driving component 4 drives the sampling tube 2 to rotate so that it withdraws from the soil.

[0058] The utility model drives the sampling tube 2 into the soil body through the driving component 4, which greatly relieves the drilling burden of the operator and improves the sampling efficiency. The sampling tube 2 of the utility model enters the soil body, and multiple samplers 231 arranged along the axial direction of the sampling tube 2 pass through the through holes opened on the sampling tube 2 to collect soil samples from different soil layers at one time, which greatly improves the sampling efficiency.

[0059] The utility model provides a blocking piece component 3 for blocking the through hole on the outer wall of the sampling tube 2, thereby preventing the soil from entering the sampler 231 through the through hole when the sampling tube 2 is drilling into the soil, thereby ensuring the purity of the soil sample.

[0060] The plurality of storage boxes 6 of the utility model are arranged on the sampling device, each storage box is equipped with a spring device, which can be ejected by pressing down, and is used to store the sampled samples, so as to facilitate the carrying of soil samples and avoid the need for sampling personnel to carry the sampling boxes alone when going out for sampling.

[0061] The above are only several embodiments of the utility model, and do not limit the utility model in any form. Although the utility model is disclosed as above in the preferred embodiments, it is not used to limit the utility model. Any technician familiar with this profession, without departing from the scope of the technical solution of the utility model, makes slight changes or modifications using the technical contents disclosed above, which are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims

1. A soil sampling device, characterized in that: include: A tubular sampling cylinder with a drill bit at one end, a rod body, multiple samplers and a drive component; The outer ring of the sampling tube is welded with a spiral blade; The sampling tube is provided with a plurality of through holes along the axial direction; The rod body is coaxially arranged in the sampling cylinder, the first end of the rod body is coaxially rotatably connected to the tip of the sampling cylinder, and the second end extends out of the opening end of the sampling cylinder; The plurality of samplers are arranged on the rod body and correspond to the plurality of through holes, and each of the samplers can extend out of the through hole; The driving component is connected to the opening end of the sampling cylinder and the second end of the rod body respectively.

2. The sampling device according to claim 1, characterized in that: A telescopic rod is provided between each sampler and the rod body; One end of the telescopic rod is connected to the rod body, and the other end is connected to the sampler.

3. The sampling device according to claim 2, characterized in that: The sampling device also includes a guide plate arranged in the sampling cylinder; Both ends of the guide plate are fixed on the inner wall of the sampling tube, and a plurality of guide holes corresponding to the plurality of samplers are arranged on the guide plate; the plurality of samplers pass through the plurality of guide holes.

4. The sampling device according to claim 1, characterized in that: The sampling device further comprises a plurality of baffle components arranged on the outer wall of the sampling tube; Each of the baffle components is correspondingly covered on one of the through holes, and the baffle components are used to cover the through hole when the sampler is retracted into the through hole.

5. The sampling device according to claim 4, characterized in that: Each of the baffle components includes a baffle plate, a rotating shaft and a reset member; One side of the shielding plate is rotatably connected to the outer wall of the sampling cylinder through the rotating shaft; The resetting member is arranged between the rotating shaft and the sampling cylinder.

6. The sampling device according to claim 1, characterized in that: The sampling device also includes a mounting frame; The driving component is arranged on the mounting frame.

7. The sampling device according to claim 6, characterized in that: A storage box is provided on the mounting frame; A plurality of storage boxes are arranged in the storage box, each storage box is equipped with a spring device, which can be ejected by being pressed, and is used for storing the sampled items.

8. The sampling device according to claim 1, characterized in that: The driving component comprises an electric screw rod, and the open end of the sampling cylinder is connected to the electric screw rod.

9. The sampling device according to claim 1, characterized in that: The tip of the sampling cylinder is provided with a drill bit.

10. The sampling device according to claim 2, characterized in that: The second end of the rod body is provided with a handle; The handle is fixedly connected to the rod body.

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