CN211359601U - Fresh sample soil sieving device for experiments - Google Patents

Abstract

The utility model discloses a fresh sample soil sieving device for experiments, including a net sieve section of thick bamboo, mesh screen, guide post, firming board, firming stick, cutting mechanism, soil receiving disk, a net sieve section of thick bamboo is upper and lower open-ended tube-shape or frame column structure, the mesh screen is fixed to be set up in the bottom of a net sieve section of thick bamboo, the outer fringe of a net sieve section of thick bamboo is fixed at least to be provided with two guide posts rather than the axis is parallel, the fixed guiding hole that is provided with guide post complex in firming board outer fringe, the fixed firming stick that is provided with the sieve mesh unanimity of diameter, quantity and relative position and mesh screen in the bottom of firming board, a net sieve section of thick bamboo is provided with the cutting mechanism of perpendicular to guide post at the mesh screen lower extreme, soil receiving disk sets up. The utility model discloses a mesh screen, firming stick and cutting mechanism mutually support to can be to fresh sample soil, especially cross sieving of glutinous fresh sample soil, have simple structure, sieve efficient, no energy consumption, characteristics that intensity of labour is low.

Description

Fresh sample soil sieving device for experiments

Technical Field

The utility model belongs to the technical field of agricultural experimental facilities, concretely relates to simple structure, sieve efficient, no energy consumption, low in labor strength's fresh sample soil device that sieves for experiments.

Background

In agricultural soil research and geotechnical engineering experiments, soil samples need to be analyzed, generally, most indexes of the soil samples need to be screened after being air-dried and ground, and certain specific indexes such as nitrate nitrogen content, ammonium nitrogen content, ferrous ions and the like need to be measured by adopting fresh sample soil. However, when the fresh sample soil is too sticky, the screening is extremely difficult. At present, although there have been a plurality of ground soil sieving devices such as shale shaker among the prior art, mostly be to the not high and air-dried soil of viscosity, not only impracticable to gluing fresh sample soil and a small amount of fresh clay, complicated, the use cost is higher moreover. At present, clay sieving is generally completed through a manual grinding mode in sample soil analysis, so that the labor intensity is high, and the sieving efficiency is extremely low. Therefore, it is an urgent need of current soil analysis to study a sieving device capable of performing high efficiency and low labor intensity aiming at fresh sample soil, especially fresh clay sample soil.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, sieve efficient, no energy consumption, low in labor strength's for experiments fresh sample soil device that sieves.

The purpose of the utility model is realized like this: the utility model discloses a net sieve section of thick bamboo, mesh screen, guide post, firming board, firming stick, cutting mechanism, soil receiving disk, a net sieve section of thick bamboo is upper and lower open-ended tube-shape or frame column structure, the mesh screen is fixed to be set up in the bottom of a net sieve section of thick bamboo, the outer fringe of a net sieve section of thick bamboo is fixed at least and is provided with two guide posts rather than the axis is parallel, the fixed guiding hole that is provided with guide post complex in firming board outer fringe, the fixed firming stick that is provided with the mesh opening unanimity of diameter, quantity and relative position and mesh screen in the bottom of firming board, a net sieve section of thick bamboo is provided with the cutting mechanism of perpendicular to guide post at the mesh screen lower extreme, soil receiving disk sets.

The utility model has the advantages that:

1. the utility model discloses a mesh screen, the excellent and cutting mechanism of firming mutually support to the firming stick is direct with fresh sample soil extrusion mesh screen and cut with cutting mechanism, makes glutinous in the sample soil that does not fall naturally in firming stick bottom falls to the flange, thereby realizes sieving fresh sample soil, especially water content reaches glutinous fresh sample soil of crossing more than 15%, also is suitable for and accomplishes the sample soil that sieves through manual vibration sieving.

2. The utility model discloses a mesh screen and firming stick are supporting uses, and the mesh screen can be changed according to the granularity size requirement of the back appearance soil that sieves with the firming stick, and not only the mesh screen in the net sieve section of thick bamboo can directly take out, and the firming stick also can be along with firming board and guide bar separation, and simple structure and change are convenient.

3. The utility model discloses a soil pressing plate drives the soil pressing rod extrusion appearance soil of minor diameter and unloading in the sieve mesh from the mesh screen, because soil pressing rod's extrusion area is less, consequently just can produce great pressure through exerting the less power of soil pressing plate and make it fall from the screen cloth on appearance soil, not only sieve and need not the energy consumption, compare moreover and directly push down intensity of labour lower through soil pressing plate.

4. The utility model discloses to crossing glutinous fresh appearance soil, set up cutting mechanism in order to cut off glutinous in the mesh screen bottom and not the appearance soil of nature whereabouts, especially it replaces traditional cutting knife with the cutting wire in mesh screen bottom, has reduced the destruction to appearance soil and has avoided causing the adhesion of appearance soil secondary on cutting mechanism, has improved clay sieving efficiency.

5. The utility model discloses a set up the clear mud board that passes the firming stick bottom the firming board, clear mud board of accessible will block when sliding from the firming stick bottom and take out and clear away the sample soil between them, has reduced the difficulty that the manual work was clear away.

Drawings

FIG. 1 is a schematic view of the structure principle of the present invention;

in the figure: 1-mesh screen cylinder, 2-mesh screen, 3-guide column, 4-soil pressing plate, 401-guide hole, 5-soil pressing rod, 6-cutting mechanism, 601-sliding groove, 602-bracket, 603-cutting wire, 604-pull handle, 7-soil receiving disc, 8-mud cleaning plate, 9-buckle, 10-downward pressing handle and 11-bottom frame.

Detailed Description

The present invention is further described with reference to the following drawings and examples, but the present invention is not limited thereto in any way, and any modification or improvement based on the teaching of the present invention is within the protection scope of the present invention.

As shown in fig. 1, the utility model discloses a net sieve section of thick bamboo 1, mesh screen 2, guide post 3, firming board 4, firming stick 5, cutting mechanism 6, soil receiving disk 7, net sieve section of thick bamboo 1 is upper and lower open-ended tube-shape or frame column structure, mesh screen 2 is fixed to be set up in the bottom of net sieve section of thick bamboo 1, the outer fringe of net sieve section of thick bamboo 1 is fixed at least to be provided with two rather than the parallel guide post 3 of axis, the fixed guiding hole 401 that is provided with 3 complex guide posts in firming board 4 outer fringe, the fixed firming stick 5 that is provided with diameter, quantity and relative position and mesh screen 2's the mesh opening unanimity in the bottom of firming board 4, net sieve section of thick bamboo 1 is provided with the cutting mechanism 6 of perpendicular to guide post 3 at mesh screen 2 lower extreme, soil receiving disk 7 sets up in cutting mechanism.

Cutting mechanism 6 includes sliding tray 601, support 602, cutting wire 603, pull handle 604, sliding tray 601 parallel fixed the setting in the lower extreme of a net sieve section of thick bamboo 1 and perpendicular with guide post 3 respectively at the interval, the both sides and the sliding tray 601 sliding fit of support 602, the both ends of cutting wire 603 are fixed to be set up in the rear end of both sides support 602, pull handle 604 is on a parallel with cutting wire 603 and fixed the setting in the front end of keeping away from the both sides support 602 of cutting wire 603.

The support 602 is arranged parallel to the sliding groove 601, and sliding blocks in sliding fit with the sliding groove 601 are fixedly arranged on the outer side of the support 602 at intervals.

The diameter of the cutting wire 603 is 0.1-0.2 mm, and the distance between the upper surface of the cutting wire 603 and the bottom of the screen 2 is 0.1-0.3 mm.

The bottom of the soil pressing rod 5 is parallel to the upper surface of the mesh screen 2 when the soil pressing rod is pressed to the bottom along the guide column 3 along with the soil pressing plate 4.

The bottom of the soil compacting plate 4 is detachably connected with a mud cleaning plate 8 which penetrates through the soil compacting rod 5.

The mud cleaning plate 8 is provided with a through hole which can pass through the soil compacting rod 5, and the outer edge of the mud cleaning plate 8 is hinged with a buckle 9 connected with the edge of the soil compacting plate 4.

And a pressing handle 10 is fixedly arranged at the top of the soil pressing plate 4.

The diameter of the sieve pores of the mesh sieve 2 is 1.5-2.0 mm, and the diameter and the number of the soil pressing rods 5 at the bottom of the soil pressing plate 4 are consistent with those of the sieve pores of the mesh sieve 2.

The sieve mesh of the mesh screen 2 is of a V-shaped or Y-shaped structure, the diameter of the bottom of the mesh screen is 1.5-2.0 mm, and the diameter of the soil compacting rod 5 is consistent with the diameter of the top of the sieve mesh of the mesh screen 2.

The utility model discloses theory of operation and working process:

the utility model discloses a mesh screen, the excellent and cutting mechanism of firming mutually support, make the sample soil that sticks to the bottom of the excellent and does not fall naturally drop fall into the flange with the firming stick direct to make the fresh sample soil, especially the fresh sample soil of the tack that the water content reaches 15% and above sieve to realize, also be applicable to and can accomplish the sample soil that sieves through manual vibration sieving; the mesh screen and the soil compaction rod are matched for use, the mesh screen and the soil compaction rod can be replaced according to the size requirement of sample soil after sieving, the mesh screen in the mesh screen cylinder can be directly taken out, the soil compaction rod can also be separated from the guide rod along with the soil compaction plate, and the mesh screen and the soil compaction rod are simple in structure and convenient to replace; the soil pressing plate drives the soil pressing rod with the small diameter to extrude sample soil and discharge the sample soil from sieve holes of the mesh screen, and the extrusion area of the soil pressing rod is small, so that the sample soil can be pressed greatly by applying small force of the soil pressing plate to fall from the sieve mesh, the energy consumption is not required for sieving, and the labor intensity is low compared with that of the whole soil pressing plate which is directly pressed. Further, to crossing glutinous fresh appearance soil, set up cutting mechanism in the mesh screen bottom in order to cut off the glutinous appearance soil in the mesh screen bottom and not fall naturally, especially it replaces traditional cutting knife with the cutting wire, has reduced the destruction to appearance soil and has avoided causing appearance soil secondary to glue on cutting mechanism, has improved clay sieving efficiency. Furthermore, the cutting wire and the pull handle are connected with the sliding block through the outer side of the support of the cutting mechanism in sliding fit with the sliding groove, so that the support rod, the cutting wire and the pull handle form a stable frame-shaped structure, the structural strength can be guaranteed, the cutting stability can be guaranteed through sliding fit, the cutting of sample soil can be completed through small pulling force due to the fact that the cutting wire is in contact with the sample soil during cutting, and the labor intensity of cutting is low. Furthermore, the bottom of the soil pressing rod is parallel to the upper surface of the mesh screen when the soil pressing rod is pressed to the bottom along the soil pressing plate along the guide column, so that interference of the soil pressing rod due to guide gaps or the fact that the soil pressing rod is not aligned with the mesh screen when being bent can be avoided, and sample soil in the mesh screen cylinder can be guaranteed to be screened as far as possible. Furthermore, the sieve pores of the mesh screen are in a V-shaped or Y-shaped structure, the diameter of the soil pressing rod is consistent with the diameter of the top of the sieve pores of the mesh screen, and the V-shaped or Y-shaped structure of the sieve pores can guide the falling of the sample soil in the mesh screen, so that the sieving efficiency is improved. Further, through set up the clear mud board that passes the firming stick in the firming board bottom, the sample soil that will block between it when the separation of accessible clear mud board from firming stick bottom and firming board and take out is clear away, has reduced the difficulty that the manual work was clear away. To sum up, the utility model has the characteristics of simple structure, sieve efficient, no energy consumption, low in labor strength.

As shown in figure 1, according to the granularity of the sample soil which is obtained by pre-acquisition, a mesh screen 2 with a corresponding aperture is selected, the soil sample is placed at the bottom of a mesh screen cylinder 1, a soil pressing plate 4 fixed with a soil pressing rod 5 corresponding to the diameter of the mesh aperture of the mesh screen 2 is selected, and a mud cleaning plate 8 is sleeved into the soil pressing rod 5 and slides into the bottom of the soil pressing plate 4. Fresh sample soil is placed into the mesh screen cylinder 1, the soil pressing plate 4, the soil pressing rod 5 and the mud cleaning plate 8 are sleeved on the guide column 3 through the guide hole 401, the soil pressing plate 4, the soil pressing rod 5 and the cutting mechanism 6 are pressed down to the bottom by holding the pressing handle 10 with one hand of an operator, the pull handle 604 of the cutting mechanism 6 is held and pulled with the other hand, and a small amount of sample soil which is stuck to the bottom of the mesh screen cylinder 1 and does not naturally fall is cut through the nylon cutting wire 603 and falls into the soil receiving disc 7. And when the sample soil is large in amount, repeating the steps, and then bagging the sieved sample soil for storage or detection. And finally, separating the soil compacting plate 4 and the soil compacting rod 5 from the guide column 3, then taking out the mud cleaning plate 8 by sliding from the soil compacting rod 5, removing the sample soil clamped between the soil compacting rods 5, and removing the rest sample soil by using a brush.

Claims (10)

1. A fresh sample soil sieving device for experiments is characterized by comprising a net sieve cylinder (1), a mesh sieve (2), guide columns (3), a soil pressing plate (4), soil pressing rods (5), a cutting mechanism (6) and a soil receiving disc (7), wherein the net sieve cylinder (1) is of a cylindrical or frame-shaped structure with an upper opening and a lower opening, the mesh sieve (2) is fixedly arranged at the bottom of the net sieve cylinder (1), at least two guide columns (3) which are parallel to the axis of the net sieve cylinder are fixedly arranged at the outer edge of the net sieve cylinder (1), guide holes (401) matched with the guide columns (3) are fixedly arranged at the outer edge of the soil pressing plate (4), the soil pressing rods (5) with the diameter, the number and the relative position consistent with the mesh holes of the mesh sieve (2) are fixedly arranged at the bottom of the soil pressing plate (4), the cutting mechanism (6) which is perpendicular to the guide columns (3) is arranged at the lower end of the mesh sieve cylinder (2), the soil receiving disc (7) is arranged at the lower end of the cutting mechanism (6).

2. The experimental fresh sample soil sieving device according to claim 1, characterized in that the cutting mechanism (6) comprises a sliding groove (601), a bracket (602), a cutting wire (603) and a pull handle (604), wherein the sliding groove (601) is respectively fixedly arranged at the lower end of the mesh screen drum (1) at intervals in parallel and is perpendicular to the guide column (3), two sides of the bracket (602) are in sliding fit with the sliding groove (601), two ends of the cutting wire (603) are fixedly arranged at the rear ends of the brackets (602) at two sides, and the pull handle (604) is parallel to the cutting wire (603) and is fixedly arranged at the front end of the bracket (602) at two sides far away from the cutting wire (603).

3. The experimental fresh sample soil sieving device according to claim 2, characterized in that the bracket (602) is arranged in parallel with the sliding groove (601), and the outer side of the bracket (602) is fixedly provided with sliding blocks which are in sliding fit with the sliding groove (601) at intervals.

4. The experimental fresh sample soil sieving device according to claim 2, characterized in that the diameter of the cutting wire (603) is 0.1-0.2 mm, and the distance between the upper surface of the cutting wire (603) and the bottom of the mesh screen (2) is 0.1-0.3 mm.

5. A fresh soil sample sieving device for experiments according to claim 4, characterized in that the bottom of the soil compacting rod (5) is parallel to the upper surface of the mesh screen (2) when the soil compacting plate (4) is pressed to the bottom along the guide column (3).

6. A fresh sample soil sieving device for experiments according to any one of claims 1 to 5, characterized in that the bottom of the soil compacting plate (4) is detachably connected with a mud cleaning plate (8) passing through the soil compacting bar (5).

7. The experimental fresh sample soil sieving device according to claim 6, characterized in that the mud cleaning plate (8) is provided with a through hole which can pass through the soil pressing rod (5), and the outer edge of the mud cleaning plate (8) is hinged with a buckle (9) which is connected with the edge of the soil pressing plate (4).

8. The experimental fresh sample soil sieving device according to claim 6, characterized in that a pressing handle (10) is fixedly arranged at the top of the soil pressing plate (4).

9. The experimental fresh sample soil sieving device according to claim 6, characterized in that the mesh opening diameter of the mesh screen (2) is 1.5-2.0 mm, and the diameter and the number of the soil pressing rods (5) at the bottom of the soil pressing plate (4) are consistent with the mesh openings of the mesh screen (2).

10. The experimental fresh sample soil sieving device according to claim 9, characterized in that the sieve mesh of the mesh screen (2) is a V-shaped or Y-shaped structure, the bottom diameter is 1.5-2.0 mm, and the diameter of the soil compacting rod (5) is consistent with the diameter of the top of the sieve mesh of the mesh screen (2).

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