CN216063674U

CN216063674U - Soil sample screening plant for soil microorganism detection

Info

Publication number: CN216063674U
Application number: CN202122668499.1U
Authority: CN
Inventors: 李春林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-18
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a soil sample screening device for soil microorganism detection, which comprises a shell, wherein a feed hopper is arranged at the top of the shell, a discharge outlet is formed in the bottom of the shell, a screen is arranged in the shell, the screen divides the interior of the shell into a stirring cavity and a screening cavity, and the stirring cavity is positioned above the screening cavity; a stirring mechanism is arranged in the stirring cavity, a first motor is fixed at the top end of the shell, the stirring mechanism is in transmission fit with the first motor, a rolling roller is arranged at the bottom end of the stirring mechanism, and the rolling roller is in clearance fit with the screen mesh; the screening intracavity is provided with the deflector, and the deflector is located the screen cloth below, and the deflector is fixed with shells inner wall, and screening mechanism is installed to the deflector bottom, and screening mechanism bottom is fixed with the bracing piece, and the bracing piece bottom is fixed with shells inner wall. The screening device provided by the utility model has the advantages that the soil sample collection rate is high, the use is convenient, the screening effect is good, the soil sample treated by the soil sample screening device has small difference, and the improvement of the soil microorganism detection accuracy is facilitated.

Description

Soil sample screening plant for soil microorganism detection

Technical Field

The utility model relates to the technical field of microorganism detection equipment, in particular to a soil sample screening device for soil microorganism detection.

Background

The rock on the earth surface is gradually destroyed into loose mineral particles (called as matrix) with different sizes through weathering, the soil is evolved under the comprehensive action of various soil forming factors such as matrix, climate, biology, terrain, time and the like, the soil composition is very complex, and the soil generally consists of solid, liquid and gas phases such as mineral substances, organic matters generated by decomposition of animal and plant residues, moisture, air and the like. Soil environment monitoring means that environment quality and a variation tendency thereof are determined by measuring representative values of factors affecting soil environment quality, and soil microorganism detection is one of soil detection that mainly detects microorganisms contained in soil in order to analyze the quality of soil.

The current soil sample screening plant for soil microorganism detects that screening operation is troublesome complicated, can not smash soil well when screening, makes to be mingled with the clod in the soil, leads to the screening effect not good, and the instrument that different testing personnel adopted when screening the processing to soil moreover is bigger with the manipulation gap, has great difference when soil screening is handled, influences soil detection analysis precision to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a soil sample screening device for soil microorganism detection, which is used for solving the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a soil sample screening device for soil microorganism detection, which comprises a shell, wherein a feed hopper is fixedly arranged at the top of the shell, a discharge outlet is formed in the bottom of the shell, a screen is arranged in the shell, the screen divides the inner part of the shell into a stirring cavity and a screening cavity, and the stirring cavity is positioned above the screening cavity; a stirring mechanism is arranged in the stirring cavity, a first motor is fixedly connected to the top end of the shell, the stirring mechanism is in transmission fit with the first motor, a rolling roller is arranged at the bottom end of the stirring mechanism, and the rolling roller is in clearance fit with the screen; the screening intracavity is provided with the deflector, the deflector is located the screen cloth below, just the deflector with shells inner wall fixed connection, screening mechanism is installed to the deflector bottom, screening mechanism bottom fixedly connected with bracing piece, the bracing piece bottom with shells inner wall fixed connection.

Preferably, the stirring mechanism comprises a stirring shaft fixedly connected with the output shaft of the first motor, a plurality of stirring blades are fixedly connected to the stirring shaft, a connecting shaft is fixedly connected to the bottom of the stirring shaft, the rolling roller is sleeved on the connecting shaft, and the rolling roller is rotatably connected with the connecting shaft; the bottom end of the stirring shaft is fixedly connected with a transmission part, and the stirring shaft is in transmission fit with the screen mesh through the transmission part.

Preferably, the rolling roller comprises a roller body sleeved on the connecting shaft, a plurality of rolling plates are arranged on the roller body along the circumferential direction, and the rolling plates are in clearance fit with the screen; the roller comprises a roller body, and is characterized in that one side of the rolling plate, which is close to the roller body, is fixedly connected with a connecting sliding rod, a limiting sliding groove is formed in the roller body, and the connecting sliding rod is connected with the roller body in a limiting sliding mode through the limiting sliding groove.

Preferably, the inner wall of the shell is fixedly connected with a plurality of mounting plates along the circumferential direction, the mounting plates are positioned above the guide plates, the top ends of the mounting plates are fixedly connected with telescopic rods, the top ends of the telescopic rods are fixedly connected with the screen, springs are sleeved on the telescopic rods, two ends of each spring are respectively abutted against the mounting plates and the screen, and the screen is in sliding connection with the inner wall of the shell; the transmission part comprises a movable shaft and a fixed shaft, the movable shaft is fixedly connected to the bottom end of the stirring shaft, the fixed shaft is fixedly connected to the middle of the top end of the screen, and the fixed shaft is arranged corresponding to the movable shaft; the ball seat with arc spout looks adaptation, a plurality of the groove depth of arc spout is steadilyd decrease along same direction.

Preferably, the screening mechanism comprises a filtering barrel fixed at the bottom end of the guide plate, and the top end of the support rod is fixedly connected with the bottom end of the filtering barrel; the bottom end of the filter barrel is fixedly connected with a second motor, a transmission shaft is arranged in the filter barrel, the bottom end of the transmission shaft is fixedly connected with an output shaft of the second motor, and the transmission shaft is fixedly connected with a plurality of centrifugal blades.

Preferably, a grinding head is fixedly connected to the top end of the transmission shaft, and the grinding head is in clearance fit with the guide plate.

Preferably, the tail end of the centrifugal blade is fixedly connected with a cleaning brush.

The utility model discloses the following technical effects: the soil sample screening device for soil microorganism detection provided by the utility model has the advantages that the soil sample collection rate is high, the use is convenient, soil blocks can be prevented from being mixed in soil through the arrangement of the stirring mechanism, the grinding roller and the screening mechanism, and the screening effect is good; the soil sample after being treated by the soil sample screening device has small difference, and can be more beneficial to improving the accuracy of soil microorganism detection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a soil sample screening device for soil microorganism detection according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of the construction of the laminating roller;

FIG. 4 is a schematic view of the transmission member;

the device comprises a shell body-1, a feed hopper-2, a discharge outlet-3, a screen-4, a first motor-5, a guide plate-6, a support rod-7, a stirring shaft-8, stirring blades-9, a connecting shaft-10, a roller body-11, a rolling plate-12, a connecting slide rod-13, a limiting chute-14, a mounting plate-15, a telescopic rod-16, a spring-17, a moving shaft-18, a fixed shaft-19, a ball seat-20, an arc chute-21, a filter barrel-22, a second motor-23, a transmission shaft-24, a centrifugal blade-25, a grinding head-26 and a cleaning brush-27.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The utility model provides a soil sample screening device for soil microorganism detection, which comprises a shell 1, wherein the top of the shell 1 is fixedly provided with a feed hopper 2, the bottom of the shell 1 is provided with a discharge outlet 3, the inside of the shell 1 is fixedly connected with a screen 4, the screen 4 divides the inside of the shell 1 into a stirring cavity and a screening cavity, and the stirring cavity is positioned above the screening cavity; a stirring mechanism is arranged in the stirring cavity, the top end of the shell 1 is fixedly connected with a first motor 5, the stirring mechanism is in transmission fit with the first motor 5, a rolling roller is arranged at the bottom end of the stirring mechanism, and the rolling roller is in clearance fit with the screen 4; the screening intracavity is provided with deflector 6, and deflector 6 is located screen cloth 4 below, and

deflector

6 and 1 inner wall fixed connection of casing, and screening mechanism is installed to 6 bottoms of deflector, and screening mechanism bottom fixedly connected with

bracing piece

7, 7 bottoms of bracing piece and 1 inner wall fixed connection of casing.

Further, in order to better crush the soil sample and facilitate screening of the soil sample, the stirring mechanism comprises a stirring shaft 8 fixedly connected with an output shaft of the first motor 5, a plurality of stirring blades 9 are fixedly connected to the stirring shaft 8, a connecting shaft 10 is fixedly connected to the bottom of the stirring shaft 8, a rolling roller is sleeved on the connecting shaft 10, and the rolling roller is rotatably connected with the connecting shaft 10; the bottom end of the stirring shaft 8 is fixedly connected with a transmission part, and the stirring shaft 8 is in transmission fit with the screen 4 through the transmission part.

Further, in order to avoid the existence of soil blocks in the crushed soil sample, the rolling roller comprises a roller body 11 sleeved on the connecting shaft 10, three rolling plates 12 are arranged on the roller body 11 along the circumferential direction, and the rolling plates 12 are in clearance fit with the screen 4; one side of the rolling plate 12 close to the roller body 11 is fixedly connected with a connecting slide rod 13, the roller body 11 is provided with a limit slide groove 14, and the connecting slide rod 13 is in limit sliding connection with the roller body 11 through the limit slide groove 14.

Further, in order to realize the up-and-down vibration of the screen 4 and improve the screening effect of the screen 4 on the soil sample, a plurality of mounting plates 15 are fixedly connected to the inner wall of the shell 1 along the circumferential direction, the mounting plates 15 are positioned above the guide plate 6, a telescopic rod 16 is fixedly connected to the top ends of the mounting plates 15, the top ends of the telescopic rods 16 are fixedly connected with the screen 4, springs 17 are sleeved on the telescopic rods 16, two ends of each spring 17 are respectively abutted against the mounting plates 15 and the screen 4, and the screen 4 is slidably connected with the inner wall of the shell 1; the transmission piece comprises a movable shaft 18 and a fixed shaft 19, the movable shaft 18 is fixedly connected to the bottom end of the stirring shaft 8, the fixed shaft 19 is fixedly connected to the middle of the top end of the screen 4, and the fixed shaft 19 is arranged corresponding to the movable shaft 18; the bottom of the movable shaft 18 is fixedly connected with three ball seats 20 along the circumference, the top of the fixed shaft 19 is provided with three arc-shaped sliding grooves 21 along the circumference, the ball seats 20 are matched with the arc-shaped sliding grooves 21, and the groove depths of the arc-shaped sliding grooves 21 decrease progressively along the same direction.

In order to further improve the screening effect on the soil sample, the screening mechanism comprises a filtering barrel 22 fixed at the bottom end of the guide plate 6, and the top end of the support rod 7 is fixedly connected with the bottom end of the filtering barrel 22; the bottom end of the filter barrel 22 is fixedly connected with a second motor 23, a transmission shaft 24 is arranged in the filter barrel 22, the bottom end of the transmission shaft 24 is fixedly connected with an output shaft of the second motor 23, and the transmission shaft 24 is fixedly connected with a plurality of centrifugal blades 25; a grinding head 26 is fixedly connected to the top end of the transmission shaft 24, and the grinding head 26 is in clearance fit with the guide plate 6.

Further, in order to prevent the soil sample from blocking the filtering holes on the side wall of the filtering barrel 22, a cleaning brush 27 is fixedly connected to the end of the centrifugal blade 25.

When the soil sample screening device for soil microorganism detection is used, a soil sample is added into a shell 1 through a feed hopper 2, then a first motor 5 is controlled to be started, the first motor 5 drives a stirring shaft 8 and stirring blades 9 to rotate, the soil sample is further crushed, fine-grained soil falls onto a guide plate 6 through a screen 4 and falls into a filter barrel 22 under the action of the guide plate 6; the motor also can drive the roller and use (mixing) shaft 8 to rotate as the axle center simultaneously, the roller is at the pivoted in-process, because the resistance that receives can have the difference, and then make roller body 11 of roller rotate around connecting axle 10, at roller body 11 pivoted in-process, roller board 12 can be by roll-off in spacing spout 14 under the effect of dead weight, and then slap the extrusion to clod or large granule earth, make clod or large granule earth break into granule earth, and then fall into in the filter vat 22 through screen cloth 4. Simultaneously at the (mixing) shaft 8 pivoted in-process, also can drive moving axis 18 and rotate, ball seat 20 on the moving axis 18 is when follow-up shaft 18 rotates, roll-off arc spout 21 on the dead axle 19 gradually, and then make moving axis 18 bottom terminal surface and 19 top end separation of dead axle, and then make screen cloth 4 appear the removal of upper and lower direction, telescopic link 16 shortens this moment, spring 17 compresses, when ball seat 20 reentrant arc spout 21, screen cloth 4 resumes under spring 17's effect, thereby realize screen cloth 4's upper and lower vibrations, improve screen cloth 4's screening effect, and for avoiding earth to enter into between dead axle 19 and the moving axis 18, be equipped with the sheath on 19 lateral wall tops of dead axle, moving axis 18 is located the sheath. After the soil sample is screened by the screen 4, when the soil sample falls on the guide plate 6, the grinding head 26 and the centrifugal blades 25 are driven to rotate by the second motor 23, the soil sample is ground at the guide plate 6 by the grinding head 26 so as to avoid the existence of strip-shaped particles in the soil sample falling from the screen 4, then the soil in the filter vat 22 is stirred by the centrifugal blade 25, so that the soil is thrown out through the through hole on the vat wall of the filter vat 22 under the action of centrifugal force and falls on the bottom of the shell 1, during the rotation of the centrifugal blade 25, the cleaning brush 27 fixed to the end thereof is rotated, so as to clean the inner wall of the filter vat 22, brush off the soil in the through hole of the vat wall of the filter vat 22, thereby avoid filter vat 22 to be blockked up, be favorable to improving filter vat 22's row material efficiency, the soil sample after the screening takes out through bin outlet 3 to realize the screening of soil.

The soil sample screening device for soil microorganism detection provided by the utility model has the advantages of high soil sample collection rate, convenience in use and good screening effect, and can be more beneficial to improving the accuracy of soil microorganism detection through soil screening treatment.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The soil sample screening device for soil microorganism detection is characterized by comprising a shell (1), wherein a feed hopper (2) is fixedly mounted at the top of the shell (1), a discharge opening (3) is formed in the bottom of the shell (1), a screen (4) is mounted inside the shell (1), the screen (4) divides the inside of the shell (1) into a stirring cavity and a screening cavity, and the stirring cavity is located above the screening cavity; a stirring mechanism is arranged in the stirring cavity, a first motor (5) is fixedly connected to the top end of the shell (1), the stirring mechanism is in transmission fit with the first motor (5), a rolling roller is arranged at the bottom end of the stirring mechanism, and the rolling roller is in clearance fit with the screen (4); be provided with deflector (6) in the screening intracavity, deflector (6) are located screen cloth (4) below, just deflector (6) with casing (1) inner wall fixed connection, screening mechanism is installed to deflector (6) bottom, screening mechanism bottom fixedly connected with bracing piece (7), bracing piece (7) bottom with casing (1) inner wall fixed connection.

2. The soil sample screening device for soil microorganism detection according to claim 1, wherein the stirring mechanism comprises a stirring shaft (8) fixedly connected with an output shaft of the first motor (5), a plurality of stirring blades (9) are fixedly connected to the stirring shaft (8), a connecting shaft (10) is fixedly connected to the bottom of the stirring shaft (8), the rolling roller is sleeved on the connecting shaft (10), and the rolling roller is rotatably connected with the connecting shaft (10); the bottom end of the stirring shaft (8) is fixedly connected with a transmission part, and the stirring shaft (8) is in transmission fit with the screen (4) through the transmission part.

3. The soil sample screening device for soil microorganism detection according to claim 2, wherein the rolling roller comprises a roller body (11) sleeved on the connecting shaft (10), a plurality of rolling plates (12) are arranged on the roller body (11) along the circumferential direction, and the rolling plates (12) are in clearance fit with the screen (4); the grinding plate (12) is close to one side of the roller body (11) and is fixedly connected with a connecting sliding rod (13), a limiting sliding groove (14) is formed in the roller body (11), and the connecting sliding rod (13) is connected with the roller body (11) in a limiting sliding mode through the limiting sliding groove (14).

4. The soil sample screening device for soil microorganism detection according to claim 2, wherein a plurality of mounting plates (15) are fixedly connected to the inner wall of the housing (1) along the circumferential direction, the mounting plates (15) are located above the guide plate (6), a telescopic rod (16) is fixedly connected to the top end of each mounting plate (15), the top end of each telescopic rod (16) is fixedly connected with the screen (4), a spring (17) is sleeved on each telescopic rod (16), two ends of each spring (17) are respectively abutted against the mounting plates (15) and the screen (4), and the screen (4) is slidably connected with the inner wall of the housing (1); the transmission piece comprises a moving shaft (18) and a fixed shaft (19), the moving shaft (18) is fixedly connected to the bottom end of the stirring shaft (8), the fixed shaft (19) is fixedly connected to the middle of the top end of the screen (4), and the fixed shaft (19) is arranged corresponding to the moving shaft (18); the ball seat is characterized in that the bottom end of the moving shaft (18) is fixedly connected with a plurality of ball seats (20) along the circumferential direction, the top end of the fixed shaft (19) is provided with a plurality of arc-shaped sliding grooves (21) along the circumferential direction, the ball seats (20) are matched with the arc-shaped sliding grooves (21), and the groove depths of the arc-shaped sliding grooves (21) are decreased progressively along the same direction.

5. The soil sample screening device for soil microorganism detection according to claim 1, wherein the screening mechanism comprises a filter vat (22) fixed at the bottom end of the guide plate (6), and the top end of the support rod (7) is fixedly connected with the bottom end of the filter vat (22); the centrifugal fan is characterized in that a second motor (23) is fixedly connected to the bottom end of the filter barrel (22), a transmission shaft (24) is arranged in the filter barrel (22), the bottom end of the transmission shaft (24) is fixedly connected with an output shaft of the second motor (23), and a plurality of centrifugal blades (25) are fixedly connected to the transmission shaft (24).

6. The soil sample screening device for soil microorganism detection according to claim 5, wherein a grinding head (26) is fixedly connected to the top end of the transmission shaft (24), and the grinding head (26) is in clearance fit with the guide plate (6).

7. The soil sample screening device for soil microorganism detection according to claim 5, wherein a cleaning brush (27) is fixedly connected to the tip of said centrifugal blade (25).