CN212254821U - Quantitative sample dividing device for columnar sediment samples - Google Patents
Quantitative sample dividing device for columnar sediment samples Download PDFInfo
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- CN212254821U CN212254821U CN202020077786.8U CN202020077786U CN212254821U CN 212254821 U CN212254821 U CN 212254821U CN 202020077786 U CN202020077786 U CN 202020077786U CN 212254821 U CN212254821 U CN 212254821U
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Abstract
The utility model discloses a quantitative sample dividing device for columnar sediment samples, which comprises a fixed seat, a scale rod, a sliding plate, a pushing plug, a sample tube, a collecting ring, a sample dividing ring and a cutting piece, wherein the fixed seat is detachably connected with one end of the scale rod; the pushing plug is detachably connected with the other end of the scale rod; the pushing plug is pushed into the sample tube from the lower opening of the sample tube to push out the sediment sample in the sample tube from the upper opening of the sample tube; the cutting piece is a hard thin piece, transversely cuts the sediment sample along the contact surface of the collecting ring and the sample dividing ring, and simultaneously transfers the cut sediment sample as the bottom plate of the sample dividing ring. The utility model ensures the minimum layering precision, and can flexibly and accurately control the thickness of different layered samples; through set up the collection ring at the sample cell upper shed, the fluid sediment that has avoided the surface layer to contain water higher runs off when dividing the appearance, causes the unsafe problem of ration. Saving space and being convenient to carry.
Description
Technical Field
The utility model relates to a sediment sample processing field, concretely relates to column sediment sample ration divides appearance device.
Background
Marine sediments are a general term for the formation of seabed sediments by various marine sedimentations. Deposition involves 3 different processes, physical, chemical and biological. Due to different particle sizes and slow deposition rates of the sediments, the change of the whole ecological environment can be known from the space-time perspective through physical, chemical and biological analysis of each layer of the sediments.
The marine sediment sample quantitative sampling is generally collected by adopting a multi-tube or single-tube sampler, the collected sample needs to be immediately separated and stored according to different depth levels on site, and the sample for analyzing the small benthos sample needs to be quantitatively separated and stored according to levels. The surface sediment has higher water content, is easy to flow during sample separation, causes less sample amount, ensures the sample layering accuracy, is simple and convenient to operate, and is convenient for offshore field operation, so a columnar sediment sample quantitative sample separation device needs to be designed for analyzing sediment or small benthos samples.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a column deposit thing sample ration divides appearance device to sample runs off when solving column deposit thing sample branch appearance, can not the ration sample, and the inaccurate scheduling problem is cut apart to the level.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a quantitative sample dividing device for columnar sediment samples comprises a fixed seat, a scale rod, a sliding plate, a pushing plug, a sample tube, a collecting ring, a sample dividing ring and a cutting piece, wherein the fixed seat is detachably connected with one end of the scale rod; a plurality of rows of positioning holes are formed in the scale rod; the scale rod penetrates through a center hole of the sliding plate, and the sliding plate moves up and down along the scale rod; the bottom end of the sliding plate is provided with a spring bolt, the spring bolt is inserted into the positioning hole, and the pushing plug is detachably connected with the other end of the scale rod; the sample tube is a hollow tube with an upper opening and a lower opening, and a sediment sample is arranged in the sample tube; the pushing plug is pushed into the sample tube from the lower opening of the sample tube to push out a sediment sample in the sample tube from the upper opening of the sample tube; the sliding plate is connected with the lower opening of the sample tube and moves downwards along the scale rod together with the sample tube; the collecting ring is sleeved on the outer edge of the uppermost end of the sample tube and is used for collecting sediment samples overflowing from the sample tube during sample separation; the sample dividing ring is a section of hollow circular tube, the inner diameter of the sample dividing ring is consistent with that of the sample tube, the sample dividing ring is placed on the collecting ring, the sample dividing ring is pressed downwards to push the sample tube downwards, and the sediment sample enters the sample dividing ring; the cutting piece is a hard thin piece, transversely cuts the sediment sample along the contact surface of the collecting ring and the sample separating ring, and simultaneously transfers the cut sediment sample as the bottom plate of the sample separating ring.
Preferably, the positioning holes in the same row are equally spaced along the length of the dial.
Preferably, the positioning holes in different rows are staggered along the length direction of the scale rod.
Preferably, each row of the positioning holes are sequentially increased or decreased along the clockwise direction of the scale rod, the plurality of rows of the positioning holes are spirally distributed in an ascending manner, and the positioning holes are all provided with length sizes.
Preferably, the outer edge of the upper surface of the collecting ring is provided with a ring-shaped groove for collecting the aqueous sample overflowing from the sample tube during division, and the inner diameter of the collecting ring is matched with the outer diameter of the sample tube.
Preferably, the diameter of the upper end surface of the pushing piston is smaller than that of the lower end surface.
Preferably, the sliding plate is in a boss shape with a central through hole, and the diameter of the upper end face of the boss is matched with the inner diameter of the sample tube and used for positioning the bottom of the sample tube.
Preferably, the fixing seat is of a flat plate-shaped structure, and the geometric center of the fixing seat is detachably connected with the scale rod.
The utility model has the advantages as follows:
the utility model controls the sample dividing level of the sediment sample in the sample tube by driving the moving distance of the sample tube on the scale rod through the sliding plate, arranges a plurality of rows of positioning holes to ensure the minimum layering precision, fixes the sliding plate by adjusting the position of the positioning hole of the spring bolt on the scale rod, and can flexibly and accurately control the thickness of different layered samples; through set up the collection ring at the sample cell upper shed, the fluid sediment that has avoided the surface layer to contain water higher runs off when dividing the appearance, causes the unsafe problem of ration. The utility model discloses the connection can be dismantled in the adoption between each part, is equipped with several different accessories of group according to the sample cell specification difference, can satisfy not unidimensional sample and divide the appearance demand, simultaneously, can pull down each part vanning when not needing to use, saves space, conveniently carries.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus;
FIG. 2 is a schematic view of a sample separation part
FIG. 3 is a schematic view of the construction of the sliding plate;
FIG. 4 is a schematic cross-sectional view of a gathering ring;
FIG. 5 is a schematic view of the structure of the graduated rod;
fig. 6 is a partially enlarged view of a portion a of fig. 5.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings of the specification:
as shown in fig. 1 to 6, a quantitative sample dividing device for a columnar sediment sample comprises a fixed seat 1, a scale rod 2, a sliding plate 4, a pushing plug 5, a sample tube 6, a collecting ring 7, a sample dividing ring 8 and a cutting blade 9, wherein the fixed seat 1 is detachably connected with one end of the scale rod 2; a plurality of rows of positioning holes 21 are formed in the scale rod 2; the scale rod 2 penetrates through a center hole of the sliding plate 4, and the sliding plate 4 moves up and down along the scale rod 2; the bottom end of the sliding plate 4 is provided with a spring bolt 3, the spring bolt 3 is inserted into the positioning hole 21, and the pushing plug 5 is detachably connected with the other end of the scale rod 2; the sample tube 6 is a hollow tube with an upper opening and a lower opening, and a sediment sample is arranged in the sample tube 6; the pushing plug 5 is pushed into the sample tube from the lower opening of the sample tube 6 to push out a sediment sample in the sample tube 6 from the upper opening of the sample tube; the sliding plate 4 is connected with the lower opening of the sample tube 6, and the sliding plate 4 and the sample tube 6 move downwards along the scale rod 2 together; the collecting ring 7 is sleeved on the outer edge of the uppermost end of the sample tube 6, and the collecting ring 7 is used for collecting sediment samples overflowing from the sample tube 6 during sample separation; the sample dividing ring 8 is a section of hollow circular tube, the inner diameter of the sample dividing ring 8 is consistent with that of the sample tube 6, the sample dividing ring 8 is placed on the collecting ring 7, the sample dividing ring 8 is pressed downwards to push the sample tube downwards, and a sediment sample enters the sample dividing ring 8; the cutting piece 9 is a hard thin piece, transversely cuts the sediment sample along the contact surface of the collecting ring 7 and the sample separating ring 8, and simultaneously the cutting piece 9 is used as a bottom plate of the sample separating ring 8 to transfer the cut sediment sample.
As shown in fig. 2, 5, and 6, the positioning holes 21 in the same row are distributed at equal intervals along the length direction of the scale rod 2, the positioning holes 21 in different rows are staggered along the length direction of the scale rod 2, each row of the positioning holes 21 increases or decreases in turn along the clockwise direction of the scale rod 2, the plurality of rows of the positioning holes 21 are spirally distributed in an ascending manner, and the positioning holes 21 are all provided with length dimensions.
As shown in fig. 1 and 4, the outer edge of the upper surface of the collecting ring 7 is provided with a ring-shaped groove 71 for collecting the aqueous sample overflowing from the sample tube during division, the inner diameter of the collecting ring is matched with the outer diameter of the sample tube, and the diameter of the upper end surface of the pushing plug 5 is smaller than that of the lower end surface.
As shown in fig. 3, the sliding plate 4 is a boss with a central through hole, and the diameter of the upper end surface of the boss is matched with the inner diameter of the sample tube for positioning the bottom of the sample tube.
As shown in fig. 2, the fixing base 1 is a flat plate structure, and the geometric center of the fixing base 1 is detachably connected to the scale rod
The working principle is as follows:
installing a sample tube: when in sample separation, the sample tube 6 is vertically placed on the pushing plug 5, the sample tube 6 is pressed downwards with force, the pushing plug 5 pushes the interior of the sample tube from the lower opening of the sample tube 6, and meanwhile, a sediment sample in the sample tube 6 moves towards the upper opening of the sample tube 6 under the pushing of the pushing plug 5. Then the spring bolt 3 of the sliding plate 4 is pulled out, the sliding plate 4 slides upwards along the scale rod 2, the upper end face of the boss of the sliding plate 4 is plugged into the sample tube, then the spring bolt 3 is inserted into the nearest positioning hole 21, and at the moment, the bottom of the sample tube 6 is supported by the sliding plate 4 and is kept in a vertical state.
Adjusting the initial position: and then, according to the placing method, the sliding plate 4 and the sample tube 6 are moved downwards simultaneously, and the height of the sediment sample in the sample tube 6 is adjusted to be flush with the upper opening of the sample tube 6, namely the sample separation starting position.
Quantitative segmentation of samples: the collecting ring 7 is sleeved at the upper opening of the sample tube 6, the sample separating ring 8 is placed on the collecting ring 7, the coincidence of the inner diameters of the sample separating ring 8 and the sample tube 6 is kept, the spring bolt 3 on the sliding plate 3 is pulled out downwards according to the required sample thickness, the sliding plate 4 is moved downwards by a corresponding distance, namely, the range is set, the sample tube 6 is pushed downwards by pressing the sample separating ring 8, and the sediment sample is pushed out from the inside of the sample tube 6 to enter the sample separating ring 8. The sediment sample is transversely cut along the contact surface of the collecting ring 7 and the sample dividing ring 8 by the cutting blade 9, the whole sample section is completely cut, then the sample dividing ring 8 and the cutting blade 9 are taken up together, and the sample is transferred to a proper sample bottle. The fluid sample flowing out from the side of the sample tube 6 during cutting is collected in the annular groove 71 of the collecting ring 7, the collecting ring 7 is taken down from the sample tube 6, and the sample in the annular groove 71 is transferred to the layer sample bottle, so that quantitative sample division of one sample is completed. And then, completing the layered cutting of the whole sample tube sample according to the same method, namely adjusting the displacement of the sliding plate 4 to control the cutting thickness of the sample, and performing sample cutting and transferring by using the collecting ring 7, the sample dividing ring 8 and the cutting sheet 9 so as to control the quantitative sample division of the sediment in the sample tube.
The utility model controls the sample dividing level of the sediment sample in the sample tube by driving the moving distance of the sample tube on the scale rod through the sliding plate, arranges a plurality of rows of positioning holes to ensure the minimum layering precision, fixes the sliding plate by adjusting the position of the positioning hole of the spring bolt on the scale rod, and can flexibly and accurately control the thickness of different layered samples; through set up the collection ring at the sample cell upper shed, the fluid sediment that has avoided the surface layer to contain water higher runs off when dividing the appearance, causes the unsafe problem of ration. The utility model discloses the connection can be dismantled in the adoption between each part, is equipped with several different accessories of group according to the sample cell specification difference, can satisfy not unidimensional sample and divide the appearance demand, simultaneously, can pull down each part vanning when not needing to use, saves space, conveniently carries.
It should be noted that the above list is only one specific embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications can be made, and in short, all modifications that can be directly derived or suggested by the person skilled in the art from the disclosure of the present invention should be considered as the protection scope of the present invention.
Claims (8)
1. The quantitative sample dividing device for the columnar sediment samples is characterized by comprising a fixed seat (1), a scale rod (2), a sliding plate (4), a pushing plug (5), a sample tube (6), a collecting ring (7), a sample dividing ring (8) and a cutting piece (9), wherein the fixed seat (1) is detachably connected with one end of the scale rod (2); a plurality of rows of positioning holes (21) are formed in the scale rod (2); the scale rod (2) penetrates through a center hole of the sliding plate (4), and the sliding plate (4) moves up and down along the scale rod (2); the bottom end of the sliding plate (4) is provided with a spring bolt (3), the spring bolt (3) is inserted into the positioning hole (21), and the pushing plug (5) is detachably connected with the other end of the scale rod (2); the sample tube (6) is a hollow tube with an upper opening and a lower opening, and a sediment sample is arranged in the sample tube (6); the pushing plug (5) is pushed into the sample tube from the lower opening of the sample tube (6) to push out a sediment sample in the sample tube (6) from the upper opening of the sample tube; the sliding plate (4) is connected with the lower opening of the sample tube (6), and the sliding plate (4) and the sample tube (6) move downwards along the scale rod (2) together; the collecting ring (7) is sleeved on the outer edge of the uppermost end of the sample tube (6), and the collecting ring (7) is used for collecting sediment samples overflowing from the sample tube (6) during sample separation; the sample dividing ring (8) is a section of hollow round pipe, the inner diameter of the sample dividing ring is consistent with that of the sample pipe (6), the sample dividing ring (8) is placed on the collecting ring (7), the sample dividing ring (8) is pressed downwards to push the sample pipe downwards, and a sediment sample enters the sample dividing ring (8); the cutting piece (9) is a hard thin sheet, sediment samples are transversely cut along the contact surface of the collecting ring (7) and the sample separating ring (8), and meanwhile, the cutting piece (9) is used as a bottom plate of the sample separating ring (8) to transfer the cut sediment samples.
2. The sample quantitative sample dividing device for columnar sediment as claimed in claim 1, wherein the positioning holes (21) in the same column are distributed at equal intervals along the length direction of the graduated rod (2).
3. The quantitative sample dividing device for the columnar sediment samples as claimed in claim 1, wherein the positioning holes (21) in different rows are staggered along the length direction of the graduated rod (2).
4. The sample quantitative sampling device for columnar sediment samples according to claim 1, wherein each row of the positioning holes (21) increases or decreases in turn in the clockwise direction of the graduated rod (2), the plurality of rows of the positioning holes (21) are spirally distributed in an ascending manner, and the positioning holes (21) are all provided with length dimensions.
5. The quantitative sample dividing device for the columnar sediment samples as claimed in claim 1, wherein the outer periphery of the upper surface of the collecting ring (7) is provided with a ring-shaped groove (71) for collecting the water-containing samples overflowing from the sample tubes during division, and the inner diameter of the collecting ring is matched with the outer diameter of the sample tubes.
6. The quantitative sample dividing device for the columnar sediment samples as claimed in claim 1, wherein the diameter of the upper end face of the pushing plug (5) is smaller than that of the lower end face.
7. The quantitative sample dividing device for the columnar sediment samples as claimed in claim 1, wherein the sliding plate (4) is in a boss shape with a central through hole, and the diameter of the upper end face of the boss is matched with the inner diameter of the sample tube for positioning the bottom of the sample tube.
8. The quantitative sample dividing device for the columnar sediment samples as claimed in claim 1, wherein the fixed seat (1) is of a flat plate-shaped structure, and the geometric center of the fixed seat (1) is detachably connected with the graduated rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077786.8U CN212254821U (en) | 2020-01-15 | 2020-01-15 | Quantitative sample dividing device for columnar sediment samples |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077786.8U CN212254821U (en) | 2020-01-15 | 2020-01-15 | Quantitative sample dividing device for columnar sediment samples |
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| CN212254821U true CN212254821U (en) | 2020-12-29 |
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| CN202020077786.8U Active CN212254821U (en) | 2020-01-15 | 2020-01-15 | Quantitative sample dividing device for columnar sediment samples |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075418A (en) * | 2021-03-19 | 2021-07-06 | 中国科学院广州能源研究所 | Accurate sample device that divides of water body deposit sample |
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2020
- 2020-01-15 CN CN202020077786.8U patent/CN212254821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075418A (en) * | 2021-03-19 | 2021-07-06 | 中国科学院广州能源研究所 | Accurate sample device that divides of water body deposit sample |
| CN113075418B (en) * | 2021-03-19 | 2023-03-28 | 中国科学院广州能源研究所 | Accurate sample separating device for water body sediment samples |
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