Forestry investigation sampling device

Abstract

The utility model discloses a forestry investigation sampling device, and relates to the field of forestry investigation, the forestry investigation sampling device comprises a sampling tube used for being inserted into soil, the sampling tube comprises a tube head, a sampling section coaxially installed on the tube head and a front section coaxially installed on the sampling section, the sampling section is located between the front section and the tube head, and the sampling section is located between the front section and the tube head. The sampling section comprises a plurality of connecting sections which are connected end to end, the plurality of connecting sections are connected end to end through connecting pieces, the connecting section located on the uppermost side and the lower end of the pipe head are connected into a whole through connecting pieces, and the connecting section located on the lowermost side and the front section are connected into a whole through connecting pieces. Then the front section and the plurality of connecting sections are sequentially taken down, the soil can be located in the independent front section and the plurality of connecting sections, and the front section and the plurality of connecting sections can serve as a sample box, so that the sample does not need to be subsequently boxed, and the operation is simple and convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of forestry investigation, and in particular to a forestry investigation sampling device. BACKGROUND

[0002] In the current forestry investigation work, in order to understand the soil environment of tree growth, soil sampling detection is needed. The current soil sampling device generally includes a sampling tube. During sampling, the sampling tube is inserted into the soil layer, and then the sampling tube is pulled out to bring out the soil. Then, a tool is used to take out the soil from the sampling tube, pinch off and pack into a box. In this process, the soil sample is easily loose, which affects the subsequent packing and detection of the soil sample. CONTENT OF THE UTILITY MODEL

[0003] In order to facilitate sample packing and detection, the present application provides a forestry investigation sampling device.

[0004] The forestry investigation sampling device provided by the present application adopts the following technical solution:

[0005] A forestry investigation sampling device includes a sampling tube for inserting into soil. The sampling tube includes a tube head, a sampling section coaxially installed on the tube head, and a front section coaxially installed on the sampling section. The sampling section is located between the front section and the tube head. The sampling section includes a plurality of connected sections connected end to end. The plurality of connected sections, the uppermost connected section and the lowermost connected section are connected by connecting pieces.

[0006] By adopting the above technical solution, the tube head, the plurality of connected sections and the front section are connected into a whole to form the sampling tube by the connecting pieces during use. Then, the sampling tube is inserted into the soil for sampling. After sampling is completed, the connecting pieces are released, and then the front section and the plurality of connected sections are sequentially removed. The soil can be located in the separate front section and the plurality of connected sections. The front section and the plurality of connected sections can function as a sample box, so that subsequent sample packing and processing are not needed. It is simple and convenient, and the plurality of connected sections can adapt to the requirements of different depth of soil.

[0007] Optionally, the connecting piece includes a plug rod. The upper surfaces of the front section and the plurality of connected sections are fixedly connected with the plug rod. The lower surfaces of the tube head and the plurality of connected sections are provided with plug grooves for inserting the plug rod. The tube head and the plurality of connected sections are provided with a limiting assembly for limiting the plug rod from separating from the plug groove.

[0008] By adopting the technical scheme, when the sampling tubes are connected into a whole, the insertion rod is inserted into the insertion slot, and then the insertion rod is limited from separating from the insertion slot through the limiting assembly; the connecting piece is simple in structure and convenient to operate; and through the setting of the insertion rod, after sampling is completed, the front section or the connecting section can be rotated, so that the soil sample in the sampling tube can be cut off in the rotating process.

[0009] Optionally, the limiting assembly comprises a spring and a clamping block, a gap slot for completely inserting the clamping block is formed in the side wall of the insertion slot, the clamping block is slidingly inserted into the gap slot, a clamping slot for inserting the clamping block is formed in the side wall of the insertion rod, and the spring is used to limit the clamping block from separating from the clamping slot; the clamping block is fixedly connected with a pull rope used to pull the clamping block to separate from the clamping slot.

[0010] By adopting the technical scheme, after the sampling tubes are connected into a whole, the clamping block can be stably clamped in the clamping slot under the action of the spring, so that the stability of the sampling tubes is maintained, and when the sampling tubes need to be disassembled, the clamping block can be separated from the clamping slot by pulling the pull rope; the limiting assembly is simple in structure and convenient to operate.

[0011] Optionally, the lower surface of one end of the clamping block for inserting the clamping slot is an arc convex surface.

[0012] By adopting the technical scheme, the arc convex surface of the clamping block is arranged to facilitate the insertion of the insertion rod into the insertion slot.

[0013] Optionally, a push plate is slidingly connected to the sampling tube in the vertical direction, a push rod is fixedly connected to the push plate, and the other end of the push rod penetrates through the upper end of the tube head.

[0014] By adopting the technical scheme, the push plate is arranged to facilitate the compression of the sample in the sampling tube.

[0015] Optionally, a sleeve is fixedly connected to the upper end of the tube head, the sleeve is sleeved with the push rod, and the tube head is provided with a bolt for penetrating through the sleeve and the push rod at the same time.

[0016] By adopting the technical scheme, the bolt is arranged to facilitate the stability of the pressing plate during sampling.

[0017] In summary, the present application has the following beneficial technical effects:

[0018] 1. By arranging the front section and the plurality of connecting sections, after sampling, the connecting piece is removed, and then the front section and the plurality of connecting sections are sequentially removed, so that the soil is located in the separate front section and the plurality of connecting sections, and the front section and the plurality of connecting sections can function as a sample box, so that subsequent boxing of the sample is not required, which is simple and convenient.

[0019] 2. The present application is arranged with a push plate to facilitate the compression of the sample in the sampling tube. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of a forestry survey sampling device disclosed in the present application;

[0021] Figure 2 is a sectional view of Figure 1 ;

[0022] Figure 3 is an enlarged schematic diagram of area A in Figure 2 ;

[0023] BRIEF DESCRIPTION OF DRAWINGS:

[0024] 1, pipe head; 2, front section; 3, connecting section; 4, insertion rod; 5, insertion slot; 6, spring; 7, clamping block; 8, clearance slot; 9, clamping slot; 10, pull rope; 11, knot; 12, push rod; 13, push plate; 14, handle; 15, sleeve; 16, bolt. DETAILED DESCRIPTION

[0025] The following will be described in detail in combination with the accompanying Figures 1-3 Further detailed description will be made to the present application.

[0026] The present application discloses a forestry survey sampling device.

[0027] Referring to Figure 1 and Figure 2 , a forestry survey sampling device comprises a sampling pipe for insertion into soil, the sampling pipe comprising a pipe head 1, a sampling section and a front section 2, the pipe head 1, the sampling section and the front section 2 being coaxially arranged in sequence from top to bottom, the sampling section comprising a plurality of connecting sections 3 connected in sequence, the plurality of connecting sections 3, the uppermost connecting section 3 and the lower end of the pipe head 1, and the lowermost connecting section 3 and the front section 2 being connected into one body by connecting pieces.

[0028] Referring to Figure 2 and Figure 3 , the connecting pieces comprise insertion rods 4, the upper surfaces of the front section 2 and the plurality of connecting sections 3 are fixedly connected with the insertion rods 4, and the lower surfaces of the pipe head 1 and the plurality of connecting sections 3 are provided with insertion slots 5 for insertion of the insertion rods 4; the pipe head 1 and the plurality of connecting sections 3 are provided with limiting assemblies for limiting the insertion rods 4 from disengaging from the insertion slots 5.

[0029] In another embodiment, the connecting pieces can also be bolts, i.e. the uppermost connecting section 3 and the lower end of the pipe head 1, and the lowermost connecting section 3 and the front section 2 are connected into one body by bolts.

[0030] In the embodiment, the limiting assembly comprises the spring 6 and the clamping block 7, the sidewall of the insertion slot 5 is provided with the accommodating slot 8 for the clamping block 7 to be completely inserted, the clamping block 7 is slidingly inserted into the accommodating slot 8, the sidewall of the insertion rod 4 is provided with the clamping slot 9 for the clamping block 7 to be inserted, the spring 6 is arranged in the accommodating slot 8 along the sliding direction of the clamping block 7, the two ends of the spring 6 are connected with the sidewall of the accommodating slot 8 and the clamping block 7 respectively, and the spring 6 is used for limiting the clamping block 7 from being separated from the clamping slot 9; when the spring 6 is not deformed, the two ends of the clamping block 7 are located in the accommodating slot 8 and the clamping slot 9 respectively, and the lower surface of the one end of the clamping block 7 located in the clamping slot 9 is an arc convex surface.

[0031] The clamping block 7 is fixedly connected with the pull rope 10 for pulling the clamping block 7 to be separated from the clamping slot 9, the other end of the pull rope 10 extends to the outside through the sampling tube, so that the operator can pull the clamping block 7, and the end of the pull rope 10 passing through the sampling tube is provided with the knot 11, so as to prevent the pull rope 10 from being completely retracted into the sampling tube.

[0032] In another embodiment, the limiting assembly can also be a rubber pad, that is, the rubber pad is sleeved and fixedly connected on the insertion rod 4, and the insertion rod 4 is positioned in the insertion slot 5 through interference fit.

[0033] In the embodiment, for some soft soil layers, in order to facilitate the compaction of the soil in the sampling tube, the push plate 13 is slidingly connected in the vertical direction in the sampling tube, the push rod 12 is fixedly connected on the push plate 13, and the handle 14 is fixedly connected on the other end of the push rod 12 through the upper end of the tube head 1.

[0034] Meanwhile, in order to facilitate the stability of the push plate 13 during sampling, the sleeve 15 is fixedly connected on the upper end of the tube head 1, the sleeve 15 sleeves the push rod 12, and the insertion pin 16 is arranged on the tube head 1 and used for penetrating through the sleeve 15 and the push rod 12.

[0035] The implementation principle of the forestry investigation sampling device disclosed in the application is as follows: in use, a proper number of connecting segments 3 are selected according to the need, then the front segment 2 and the plurality of connecting segments 3 are sequentially connected on the tube head 1 through the insertion rod 4 to form the sampling tube, then the sampling tube is inserted into the soil layer for sampling, after the sampling is completed, the lower surface of the front segment 2 is abutted on the ground according to the need, then the push plate 13 is pushed to compact the soil in the sampling tube, then the clamping block 7 is separated from the clamping slot 9 by pulling the pull rope 10, then the front segment 2 and the connecting segments 3 are rotated, and then the front segment 2 and the connecting segments 3 are removed.

[0036] The above are the preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A forestry survey sampling device comprising a sampling tube for insertion into soil, characterised in that: The sampling tube comprises a tube head (1), a sampling section coaxially mounted on the tube head (1), and a front section (2) coaxially mounted on the sampling section, the sampling section is located between the front section (2) and the tube head (1), and the sampling section comprises a plurality of connected sections (3) connected end to end, the plurality of connected sections (3) are connected end to end, the uppermost connected section (3) and the lower end of the tube head (1), and the lowermost connected section (3) and the front section (2) are connected by connecting pieces.

2. A forestry survey sampling device according to claim 1, characterised in that: The connecting piece comprises a plug rod (4), the upper surface of the front section (2) and the plurality of connected sections (3) are fixedly connected with the plug rod (4), and the lower surface of the tube head (1) and the lower surface of the plurality of connected sections (3) are provided with plug grooves (5) for inserting the plug rod (4); the tube head (1) and the plurality of connected sections (3) are provided with limiting assemblies for limiting the plug rod (4) from separating from the plug grooves (5).

3. A forestry survey sampling device according to claim 2, characterised in that: The limiting assembly comprises a spring (6) and a clamping block (7), the sidewall of the plug groove (5) is provided with a gap slot (8) for completely inserting the clamping block (7), the clamping block (7) is slidingly inserted into the gap slot (8), the sidewall of the plug rod (4) is provided with a clamping slot (9) for inserting the clamping block (7), and the spring (6) is used to limit the clamping block (7) from separating from the clamping slot (9); the clamping block (7) is fixedly connected with a pull rope (10) for pulling the clamping block (7) away from the clamping slot (9).

4. A forestry survey sampling device according to claim 3, characterised in that: The lower surface of one end of the clamping block (7) for inserting the clamping slot (9) is an arc convex surface.

5. The forestry survey sampling device of claim 1, wherein: The sampling tube is slidingly connected with a push plate (13) in the vertical direction, the push plate (13) is fixedly connected with a push rod (12), and the other end of the push rod (12) penetrates the upper end of the tube head (1).

6. A forestry survey sampling device according to claim 5, characterised in that: The upper end of the tube head (1) is fixedly connected with a sleeve (15), the sleeve (15) sleeves the push rod (12), and the tube head (1) is provided with a bolt (16) penetrating the sleeve (15) and the push rod (12).

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