CN216309586U - Screening device for soil detection - Google Patents

Abstract

The utility model belongs to the technical field of soil detection, and relates to a screening device for soil detection, wherein a crushing device comprises a plurality of triangular prisms, a screw rod and two crushing plates which are arranged at equal intervals, the crushing plates are vertically arranged above the triangular prisms, the screw rod is arranged at two ends of the triangular prisms, and the crushing plates are connected with the screw rod and move under the control of the screw rod; the crushing plate is in contact connection with the side edges of the triangular prism; the drying device comprises a heating element and a rotating assembly, the rotating assembly comprises a fixing element and a rotating element which is rotationally connected with the fixing element, the fixing element is provided with a blocking plate and a discharge port at intervals, and the rotating element is provided with a baffle plate matched with the discharge port; the screening plant includes vibrating motor and installs the screen cloth and the soil receiving box in the different apertures of a plurality of vibrating motor top. The device includes reducing mechanism, drying device and screening plant, can smash the great soil of humidity or the great soil of piece of block, sieves after drying again, avoids the soil adhesion, improves screening efficiency.

Description

Screening device for soil detection

Technical Field

The utility model belongs to the technical field of soil detection, relates to instrument equipment for a laboratory, and particularly relates to a screening device for soil detection.

Background

Soil detection comprises soil pollutant testing and agricultural soil component testing, the soil detection is very important work in modern agricultural production, soil moisture content, nutrient content, pH value, pollution condition and other soil quality related data of soil can be known through the soil detection, and the data obtained by the soil detection is very important for agricultural production. Meanwhile, the detection of the pollutants in the soil can also determine the environmental quality or the pollution degree and the change trend thereof.

When soil in a certain field environment is detected and evaluated, a soil sample needs to be collected, and the collected sample is detected and analyzed. Before detecting the soil sample, need carry out the preliminary treatment, sieve the soil sample, separate impurity to better detect soil, but in the actual operation in-process, it is great often to have the soil lump, perhaps soil sample humidity is great easily conglobation, leads to it can't sieve, and during the soil screening, the soil sample easily adheres on the sieve or on the wall, is difficult to sieve, often needs external force to roll or the brush is brushed, very easily takes place to block up and causes the inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a screening device for soil detection, which comprises a crushing device, a drying device and a screening device, and can crush soil with high humidity or large lumps, dry the soil and then screen the soil, so that the soil is prevented from adhering and the screening efficiency is improved.

The technical scheme of the utility model is as follows:

a screening device for soil detection comprises a mounting frame, and a crushing device, a drying device and a screening device which are sequentially arranged on the mounting frame from top to bottom;

the crushing device comprises a plurality of triangular prisms, a lead screw and two crushing plates, wherein the triangular prisms, the lead screw and the two crushing plates are arranged at equal intervals; the crushing plate is in contact connection with the side edges of the triangular prism;

the drying device is fixedly connected with the crushing device and arranged right below the crushing device, the drying device comprises a heating element and a rotating assembly arranged at the bottom of the drying device, the rotating assembly comprises a fixing element and a rotating element rotatably connected with the fixing element, blocking plates and discharge ports are arranged on the fixing element at intervals, and a baffle plate matched with the discharge ports is arranged on the rotating element;

the screening device is arranged under the drying device and comprises a vibration motor, a plurality of screens with different apertures and soil receiving boxes, wherein the screens are arranged above the vibration motor.

Furthermore, the bottom surfaces of the triangular prisms are equilateral triangles, and the distance between the two triangular prisms is greater than the height of the bottom surface of the equilateral triangle; the distance between the three water-chestnut columns is 0.2-2.0 cm, and the number of the three prisms is set according to the size of the area of the bottom of the smashing device.

Further, the triangular prism is installed at a position where the crushing device is connected with the drying device.

Furthermore, the screw rod is connected with a driving motor, and the driving motor controls the screw rod to drive the crushing plates to reciprocate from the two sides of the crushing device to the middle of the crushing device.

Furthermore, the temperature in the drying device is controlled to be 30-40 ℃, the heating element is an infrared lamp, and the infrared lamp is fixedly installed on the inner side wall of the drying device.

Furthermore, the fixing piece is circular, the blocking plate is a fan-shaped plate, and the outlet is a fan-shaped through hole; the fixing piece is formed by arranging a blocking plate and an outlet at intervals; the rotating piece and the fixing piece are coaxially arranged and can rotate along with the fixing piece, the rotating piece is composed of a plurality of baffles, the number of the baffles is consistent with that of the discharge ports, the shape of each baffle is consistent with that of the discharge port, and the area of each baffle is slightly larger than that of the discharge port; the rotating part is fixedly connected with the handle.

Further, install the bracket on the vibrating motor, from the top down sets gradually the detachable screen cloth in different apertures on the bracket and connects the soil box, connect the soil box to locate under the screen cloth, the aperture from the top down of screen cloth diminishes in proper order.

The utility model has the beneficial effects that:

according to the screening device for soil detection, provided by the utility model, the soil with larger lumps is crushed by the uppermost crushing device, the crushed soil enters the drying device for drying and then falls into the screening device for screening, the device is simple and easy to operate, the soil is prevented from being adhered to a screen or a wall, meanwhile, the blockage is avoided, the manual participation is reduced, the labor is saved, and the soil screening efficiency is improved.

Drawings

Fig. 1 is a perspective view of a screening apparatus for soil detection according to the present invention;

fig. 2 is a partial sectional view of a screening apparatus for soil detection according to the present invention;

FIG. 3 is a schematic view of the crushing apparatus;

FIG. 4 is a schematic structural view of a rotating assembly;

in the above figures, 1, a crushing apparatus; 101. a triangular prism; 102. a lead screw; 103. a crushing plate; 2. a drying device; 201 a heating element; 202. a rotating assembly; 203. a fixing member; 204. a rotating member; 3. a screening device; 301. a vibration motor; 302. a bracket; 4. and (7) mounting frames.

Detailed Description

The utility model is further described below with reference to the figures and examples.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "one end", "the other end", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the present invention relates to a screening device for soil detection, which comprises a mounting frame 4, and a crushing device 1, a drying device 2 and a screening device 3 which are arranged on the mounting frame 4 in sequence from top to bottom; the soil with large lumps is crushed by the uppermost crushing device 1, and the crushed soil enters the drying device 2 to be dried and then falls into the screening device 3 to be screened.

As shown in fig. 3, the crushing device 1 includes a plurality of triangular prisms 101, a lead screw 102, and two crushing plates 103 arranged at equal intervals, the two crushing plates 103 are vertically arranged above the triangular prisms 101, the lead screw 102 is arranged at two ends of the triangular prisms 101, two ends of the crushing plates 103 are connected with the lead screw 102 and move under the control of the lead screw 102; the lead screw 102 drives the crushing plates 103 to reciprocate from both sides to the middle of the crushing device 1 under the control of the driving motor.

As shown in fig. 2, the crushing device 1 is fixedly connected with the drying device 2 and is communicated with the drying device 2, the triangular prism 101 is installed at the position where the crushing device 1 is connected with the drying device 2, and the soil can directly fall into the drying device 2 for drying treatment after passing through the crushing device 1.

During reducing mechanism 1 was put into to the soil sample of treating, soil sample size and dimension was less than between the triangular prism 101 apart from, can directly fall into drying device 2, and the soil sample that size and dimension was greater than between the triangular prism 101 apart from then can be stayed on triangular prism 101. The crushing plates 103 are in contact connection with the side edges of the triangular prism 101, the two crushing plates 103 move from two sides to the middle, and the soil sample left on the triangular prism 101 is extruded and crushed; the two crushing plates 103 are stopped from moving toward the middle, returned to both sides, and moved toward the middle again to perform a reciprocating motion. In the process of movement, the larger soil sample left on the triangular prism 101 is squeezed and crushed, and finally falls into the drying device 2. The distance between two triangular prisms 101 is greater than the height of the bottom surface of the equilateral triangle (i.e., greater than the vertical downward height of the side edge), and the crushing plate 103 is connected with the side edge of the triangular prism 101 in a contact manner, so that it can be ensured that the soil sample left between the triangular prisms 101 all exceeds the side edge of the triangular prism 101, and thus all can be crushed by the crushing plate 103. It will be appreciated that other similar forms of the shredder plate 103 may be used herein, such as a rigid mesh structure or the like, so long as the soil sample can be cut or shredded. The distance between the three water chestnut columns is set to be 0.2-2.0 cm, so that the soil mass entering the drying device 2 is small; the number of the triangular prisms 101 is set according to the size of the bottom area of the crushing device 1; in this embodiment, four lead screws 102 are used to connect two crushing plates 103.

The drying device 2 is fixedly connected with the crushing device 1 and is arranged right below the crushing device 1, the drying device 2 comprises a heating element 201 and a rotating component 202 arranged at the bottom of the drying device 2, the heating element 201 can be an infrared lamp, and the infrared lamp is fixedly arranged on the inner side wall of the drying device 2; the infrared lamp is connected with the temperature sensor and used for controlling heating to a preset temperature and controlling the temperature in the drying device 2 to be 30-40 ℃. The rotating assembly 202 is used for enabling the soil sample to stay in the drying device 2 for heating and drying, and the dried soil sample is discharged from the rotating assembly 202. For the convenient degree of observing soil stoving, be equipped with the viewing aperture on drying device 2's the casing, transparent glass window is established to the viewing aperture, conveniently looks over.

As shown in fig. 4, the rotating assembly 202 includes a fixed member 203 and a rotating member 204 rotatably connected to the fixed member 203, the fixed member 203 is provided with a blocking plate and a discharge port at intervals, the fixed member 203 is circular, the blocking plate is a fan-shaped plate, and the discharge port is a fan-shaped through hole; the fixing piece 203 is composed of a blocking plate and a discharge port which are arranged at intervals; the rotating piece 204 is connected with the fixed piece 203 through a shaft, and the rotating piece 204 can rotate tightly against the fixed piece 203; in this embodiment, the rotary member 204 is installed below the fixed member 203, and the number of the baffle plates of the rotary member 204 is the same as the discharge port, and the shape thereof is the same as the discharge port and the area thereof is slightly larger than the area of the discharge port, so that the discharge port can be just blocked. The rotating member 204 is provided with a handle, and when the soil sample needs to be discharged, the handle is rotated to rotate the baffle away from the discharge port, so that the soil flows out of the discharge port.

In this embodiment, the sieving device 3 is installed right below the drying device 2, and includes a vibration motor 301, and a plurality of screens and soil receiving boxes with different apertures installed above the vibration motor 301. Specifically, a bracket 302 is mounted on a vibration motor 301, after the device is powered on, the vibration motor 301 drives the bracket 302 to vibrate, detachable screens and soil receiving boxes with different apertures are sequentially arranged on the bracket 302 from top to bottom, the bracket 302 vibrates to drive the screens to vibrate, the apertures of the screens are sequentially reduced from top to bottom, and soil is screened by the screens from top to bottom; the soil receiving box is arranged right below the screen and used for receiving the screened soil sample. During the use process, the aperture of the screen can be selected according to the actual requirement, and comprises a 10-mesh screen, a 100-mesh screen and the like.

During the use, at first install required screen cloth, then the switch on and set up drying device 2's temperature and preheat, preheat the completion back, put into reducing mechanism 1 with the soil sample and open driving motor, treat that the crushed soil sample of extrusion falls into drying device 2 back, dry a period and do not have the piece to soil, open vibrating motor 301 and rotate the handle simultaneously and make the soil sample fall into the screen cloth, treat and obtain required soil sample from connecing the soil box after the screening.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the present invention. Any modification, equivalent replacement, or modification made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A screening device for soil detection is characterized by comprising an installation frame, and a crushing device, a drying device and a screening device which are sequentially arranged on the installation frame from top to bottom;

the crushing device comprises a plurality of triangular prisms, a lead screw and two crushing plates, wherein the triangular prisms, the lead screw and the two crushing plates are arranged at equal intervals; the crushing plate is in contact connection with the side edges of the triangular prism;

the drying device is fixedly connected with the crushing device and arranged right below the crushing device, the drying device comprises a heating element and a rotating assembly arranged at the bottom of the drying device, the rotating assembly comprises a fixing element and a rotating element rotatably connected with the fixing element, blocking plates and discharge ports are arranged on the fixing element at intervals, and a baffle plate matched with the discharge ports is arranged on the rotating element;

the screening device is arranged under the drying device and comprises a vibration motor, a plurality of screens with different apertures and soil receiving boxes, wherein the screens are arranged above the vibration motor.

2. The screening apparatus according to claim 1, wherein the base surfaces of the triangular prisms are equilateral triangles, and the distance between two triangular prisms is greater than the height of the base surfaces of the equilateral triangles; the interval distance between the triangular prisms is 0.2 ~ 2.0cm, the number of triangular prisms is according to reducing mechanism's bottom area size sets up.

3. The screening apparatus according to claim 1, wherein the triangular prism is installed at a position where the pulverizing apparatus is connected to a drying apparatus.

4. The screening apparatus as claimed in claim 1, wherein the lead screw is connected to a driving motor, the driving motor controlling the lead screw to reciprocate the crushing plate from both sides to the middle of the crushing apparatus.

5. The screening device of claim 1, wherein the temperature in the drying device is controlled to be 30-40 ℃, the heating element is an infrared lamp, and the infrared lamp is fixedly arranged on the inner side wall of the drying device.

6. The screening apparatus of claim 1, wherein the fixture is circular, the baffle plate is a fan-shaped plate, and the discharge opening is a fan-shaped through hole; the fixing piece is formed by arranging a blocking plate and an outlet at intervals; the rotating piece and the fixing piece are coaxially arranged and can rotate along with the fixing piece, the rotating piece is composed of a plurality of baffles, the number of the baffles is consistent with that of the discharge ports, the shape of each baffle is consistent with that of the discharge port, and the area of each baffle is slightly larger than that of the discharge port; the rotating part is fixedly connected with the handle.

7. The screening device of claim 1, wherein the vibration motor is provided with a bracket, the bracket is provided with a detachable screen and an earth receiving box which have different apertures from top to bottom, the earth receiving box is arranged right below the screen, and the apertures of the screen become smaller from top to bottom.

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