CN2793157Y - Soil column sampler - Google Patents
Soil column sampler Download PDFInfo
- Publication number
- CN2793157Y CN2793157Y CN 200520072213 CN200520072213U CN2793157Y CN 2793157 Y CN2793157 Y CN 2793157Y CN 200520072213 CN200520072213 CN 200520072213 CN 200520072213 U CN200520072213 U CN 200520072213U CN 2793157 Y CN2793157 Y CN 2793157Y
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- Prior art keywords
- wax tube
- posting
- wax
- screw
- wax cylinder
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Abstract
The utility model relates to a soil column sampler which comprises a soil culturing container and a cutting device, wherein the soil culturing container is a hollow wax cylinder provided with a horizontal top surface and a horizontal bottom surface, and the hollow part of the wax cylinder is used for filling soil columns; the cutting device comprises a base seat, a positioning frame, a wax cylinder sleeve, a pushing screw rod and a compression rod, wherein the base seat is arranged in a horizontal mode, the positioning frame is positioned on the base seat and is fixed on the base seat vertically, the wax cylinder sleeve is arranged above the base seat behind the positioning frame along the forward direction of the pushing screw rod in an unmovable mode, the pushing screw rod is arranged in a horizontal mode after passing through a fixing nut supported by the base seat, the front end of the pushing rod screw facing the wax cylinder sleeve is connected with a plate sheet of which the size is smaller than the wax cylinder sleeve, while the back end is sheathed with a movable nut, the compression rod is suspended above the wax cylinder sleeve vertically and the compression rod is connected with the base seat or the positioning frame in a vertical movement mode. When the utility model is assembled, the wax cylinder loading with the soil columns is placed on the base seat inside the wax cylinder sleeve. The top of the wax cylinder is appressed to the inner wall of the top of the wax cylinder sleeve, and the front end of the wax cylinder is level with the edge of the front end of the positioning frame.
Description
Technical field
The utility model relates to the earth pillar sampler, especially relates to the earth pillar sampler that is used for the migration of testing soil Elements Diffusion.
Background technology
In soil science research, often need to investigate the diffusive migration of certain element (nitrogen, phosphorus, potassium etc.) in soil.Usually adopt the indoor soil-column experiment, place a certain amount of fertilizer or chemical agent at the earth pillar top, adding water makes earth pillar reach suitable water content, be placed under the specific environment, after the certain hour diffusion, get apart from the soil sample at source of manure different distance place, measure this kind element different shape content, to understand its migration and conversion in soil.Sampling method is the key that achieves the above object.
Sampling method mainly contains following three kinds at present: (1) adopts miniature earth boring auger to obtain apart from the soil sample of source of manure different depth, and this method is easier, but is difficult to obtain the soil sample less than the 5mm distance, and is difficult to the control depth selection; (2) the rigid plastics tube is cut into a plurality of rings of certain altitude (as 5mm), and then they are banked up into tube one by one, each ring is glued together, as the experiment of culture vessel dress soil.Take off ring after the experiment more one by one, to obtain soil sample apart from source of manure different distance place.This method is more loaded down with trivial details, also is difficult to obtain the soil sample less than the 5mm unit distance.(3) adopt plastic barrel or glass wound packages soil, be put in the liquid nitrogen freezingly before the sampling, be cut into the thin slice of different-thickness then with freezing slicing machine, get soil sample analysis wherein after thawing.This method can be obtained the soil sample of 1-2mm unit distance, but that instrument is provided with cost is too high, is difficult to apply.
Therefore, need seek a kind of little territory, fertile border sampler simple, with low cost, accurately obtain apart from the soil sample of source of manure certain distance.
The utility model content
It is a kind of simple, with low cost that the utility model provides, and the earth pillar sampler of the accurate Cutting Control sampling of energy distance.
Earth pillar sampler provided by the utility model comprises soil culture vessel and cutter sweep,
Wherein, described soil culture vessel is the hollow wax tube with horizontal top surface and horizontal bottom, and the cavity of wax tube is used to fill earth pillar;
Described cutter sweep comprises base, posting, wax tube cover, lead-screw and depression bar, wherein,
Base is horizontally disposed with;
Posting is positioned at the base top and is vertically fixed on the base;
Wax tube cover is arranged on base top behind the posting in the mode that does not move on the lead-screw direction of advance;
Lead-screw passes by the hold-down nut of base support and is horizontally disposed with, and screw rod is connected with the plate of size less than wax tube cover towards the front end of wax tube cover, then is with a traveling nut on the rear end;
Depression bar vertically is suspended from the top of wax tube cover, and is connected with base or posting in vertically moving mode.
During assembling, the wax tube that earth pillar is housed is lain against on the base in the wax tube cover, wax tube cover top inner wall is close at the top of wax tube, and the front end of wax tube is concordant with the front edge of posting.
The course of work of the earth pillar sampler that the utility model provides is as follows: the rotation lead-screw, make the plate and the wax socket joint of lead-screw front end touch and promote forward the wax tube, accurate distance is as required determined the revolution number of lead-screw, makes the wax tube stretch out the posting front edge with predetermined length.Screw the traveling nut on the horizontal direction then, and depress depression bar on the vertical direction with fixing wax tube.With the wax tube thin slice of blade along predetermined length under the rapid cutting of front edge of posting, the soil sample of getting wherein supplies analytical test, unclamps depression bar and traveling nut then, and rotary screw so repeatedly, can obtain apart from the soil sample of earth pillar top different depth again.
Description of drawings
Fig. 1 shows a kind of embodiment of the wax tube that the utility model earth pillar sampler adopted;
Fig. 2 shows a kind of embodiment of earth pillar sampler of the present utility model;
Fig. 3 shows a kind of of wax tube cover that earth pillar sampler of the present utility model adopted
Embodiment;
Fig. 4 shows a kind of embodiment of the lead-screw that earth pillar sampler of the present utility model adopted.
The specific embodiment
Below in conjunction with accompanying drawing the utility model launch is described in detail, but should be appreciated that the specific embodiment only to be used to illustrate and be not the purpose that is used to limit.
The utility model adopts wax tube 101 as soil culture vessel 100, in order to be beneficial to cutting, require to adopt solid paraffin and vaseline as manufacturing materials, the two part by weight is 2: 1, melts the mixing back and makes the wax tube 101 of interior round foreign side with mould, and internal diameter is 5cm, long 15cm, wide 7cm, height is 7cm, as shown in Figure 1.Certainly, the wax tube also can be the cylindrical shell of other shape with horizontal top surface and horizontal bottom, as rectangle tube, trapezoidal tube etc.The cavity of wax tube 101 inside can be arbitrary shape, but adopts manhole usually, to fill earth pillar 102.
See also Fig. 2, cutter sweep 200 of the present utility model is made up of base 201, posting 202, wax tube cover 203, lead-screw 204 and depression bar 205.Base 201 is horizontally disposed, is made of wood materials or metal material.The posting 202 that is made of metal is positioned at base 201 tops and is vertically fixed on the base 201 by welding or mode such as be spirally connected, the end face of posting 202 is " L " shape, to be set at the front end of posting 202 along the downward vertical plane in " L " shape one side, be used to locate the position of cutting wax tube 101.Form vertical internal thread through hole on the another side of " L " shape end face, depression bar 205 is by in the through hole that screws into posting 202, thereby realizes moving up and down of vertical direction.Certainly, depression bar 205 also can be connected with base 201 by fixed bearing, and vertically is provided with in mode moving up and down.Wax tube cover 203 is made by the PVC plate.It should be noted that the shape of wax tube cover 203 and the shape of wax tube 101 are complementary, and after wax tube 101 placed wax tube cover 203, the top inner wall of wax tube cover 203 was close at the top of wax tube 101.For example, Fig. 3 show with Fig. 1 in the wax tube cover 203 that is complementary of wax tube 101, it becomes the cuboid with end face and two opposite flanks, long 15cm, wide 7.5cm, high 6.5cm by three PVC plates bondings.Wax tube cover 203 is against on the front end of posting 202, does not move thereby keep the wax tube to cover on lead-screw and the wax tube direction of advance when promoting the wax tube.As another kind of embodiment, be a bit larger tham at the height of wax tube cover under the situation of wax tube height and (cover high 7.5cm as the wax tube, the high 7cm of wax tube), wax tube cover 203 can be embedded in the draw-in groove on the bases 201 and fix, keep wax tube top and wax tube cover top inner wall to be close to simultaneously.Lead-screw 204 passes the hold-down nut 2041 that is fixed on the base 201 and is horizontally disposed with, and lead-screw 204 is connected with the circular PVC plate (not shown among Fig. 2) of diameter 6cm towards the front end of wax tube 101, then is with a traveling nut 2042 on the rear end.Fixing lead-screw 204 after traveling nut 2042 screws.In order to obtain distance, the pitch of lead-screw 204 is set at 2mm less than the soil sample of 5mm.As shown in Figure 4, in one embodiment of the invention, can be the front end that the circular PVC plate 2043 of 6cm is fixed on lead-screw with diameter.
During assembling, the wax tube 101 that soil sample is housed is lain against on the base 201 that the wax tube covers 203 belows, the top inner wall of its top and wax tube cover 203 is close to, and makes its front end concordant with the front edge of posting 202.Rotation lead-screw 204 contacts also the plate 2043 of lead-screw front end and promotes wax tube 101 forward with wax tube 101, rotate a circle, and the wax tube stretches out posting front edge 2mm.Screw the traveling nut 2042 on the horizontal direction then, and be rotated down depression bar 205, make depression bar 205 compress wax tube cover 203 with fixing wax tube 101.Cut off the long wax tube thin slice of 2mm with blade rapidly along the front edge of posting 202, the soil sample of getting wherein supplies analytical test, unclamps depression bar 205 and traveling nut 2042 then, rotates lead-screw 204 again, so repeatedly, can obtain apart from the soil sample of earth pillar 102 top different depths (2mm of unit).
This shows that device of the present invention has that operation is simple, characteristics with low cost, And can from earth pillar, accurately cut the thick soil sample of 2mm, to the soil in the earth pillar without any Disturbance. By changing the rotation amplitude of lead-screw, also can cut different unit thickness Soil sample for example, is rotated half cycle and can be cut the thick soil sample of 1mm, therefore can satisfy experiment In to the needs of difference sampling distance.
The present invention be advantageous in that, because the wax that has adopted solid paraffin and vaseline to make Therefore tube is easy to cutting; Adopt the screw rod of 2mm pitch to promote the wax tube, thereby can accurate one Control the distance of cutting sampling with causing; Utilize depression bar and traveling nut respectively vertical during cutting With fixing wax tube on the horizontal direction, make it stable, be beneficial to cutting sampling; Adopt the wax barrel cover to cover Cover on the wax tube, when depression bar was depressed, wax tube top was stressed evenly, avoided broken.
Claims (10)
1. the earth pillar sampler comprises soil culture vessel (100) and cutter sweep (200), it is characterized in that:
The hollow wax tube (101) of described soil culture vessel (100) for having horizontal top surface and horizontal bottom;
Described cutter sweep (200) comprises base (201), posting (202), wax tube cover (203), lead-screw (204) and depression bar (205), wherein,
Base (201) is horizontally disposed with;
Posting (202) is positioned at the base top and is vertically fixed on the base (201);
Wax tube cover (203) is arranged on horizontal base top behind the posting in the mode that does not move on lead-screw (204) direction of advance;
Lead-screw (204) passes by the hold-down nut (2041) of base support and is horizontally disposed with, lead-screw (204) is connected with the plate (2043) of size less than wax tube cover towards the front end of wax tube cover (203), then is with a traveling nut (2042) on the rear end;
Depression bar (205) vertically is suspended from the top of wax tube cover (203), and is connected with base (201) or posting (202) in vertically moving mode;
During assembling, the wax tube (101) that earth pillar (102) will be housed lies against on the interior base (201) of wax tube cover (203), and wax tube cover (203) top inner wall is close at the top of wax tube (101), and the front end of wax tube (101) is concordant with the front edge of posting (202).
2. device according to claim 1 is characterized in that, described wax tube (101) is that 2: 1 solid paraffin and vaseline is made with weight ratio.
3. device according to claim 1 is characterized in that, described wax tube (101) is square, rectangle or trapezoidal for outer shape, and cavity is circular cylindrical shell.
4. device according to claim 1 is characterized in that, described wax tube cover (203) is for becoming the cuboid with end face and two opposite flanks by three PVC plate bondings.
5. according to claim 1 or 4 described devices, it is characterized in that, in the draw-in groove on described wax tube cover (203) the embedding base (201).
6. according to claim 1 or 4 described devices, it is characterized in that described wax tube cover (203) is against on the front end of posting (202).
7. device according to claim 1, it is characterized in that, the end face of described posting (202) is " L " shape, and the vertical plane that extends downwards along " L " shape end face one side is set at the front end of posting, and " L " shape end face another side is connected with vertically moving depression bar (205).
8. device according to claim 7 is characterized in that, has vertical internal thread through hole on one side of described posting (202) " L " shape end face, and depression bar (205) is by the internal thread through hole bolt on external screw thread and the posting (202).
9. device according to claim 1 is characterized in that, the pitch of described lead-screw (204) is 2mm.
10. device according to claim 1 is characterized in that, the plate of described lead-screw front end (2043) vertical fixing is on lead-screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520072213 CN2793157Y (en) | 2005-05-31 | 2005-05-31 | Soil column sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520072213 CN2793157Y (en) | 2005-05-31 | 2005-05-31 | Soil column sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2793157Y true CN2793157Y (en) | 2006-07-05 |
Family
ID=36820305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520072213 Expired - Fee Related CN2793157Y (en) | 2005-05-31 | 2005-05-31 | Soil column sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2793157Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280262A (en) * | 2014-09-04 | 2015-01-14 | 中山大学 | Three-direction cutting ring soil sample cutting instrument |
| CN106320400A (en) * | 2016-11-03 | 2017-01-11 | 中建三局集团有限公司 | Compaction pile sampling device |
-
2005
- 2005-05-31 CN CN 200520072213 patent/CN2793157Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280262A (en) * | 2014-09-04 | 2015-01-14 | 中山大学 | Three-direction cutting ring soil sample cutting instrument |
| CN106320400A (en) * | 2016-11-03 | 2017-01-11 | 中建三局集团有限公司 | Compaction pile sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |