CN212134158U

CN212134158U - Device for taking soil from rhizosphere of grains

Info

Publication number: CN212134158U
Application number: CN202021051849.9U
Authority: CN
Inventors: 周国艳; 于雄胜
Original assignee: Xinzhou Teachers University
Current assignee: Xinzhou Teachers University
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-12-11
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a grain rhizosphere soil sampling device, which comprises a supporting disk, wherein the top of the supporting disk is provided with a plurality of through holes in a surrounding way, a motor mounting plate is arranged between sliding sleeves, the top of the motor mounting plate is provided with a plurality of motors which are in one-to-one correspondence with the through holes in a surrounding way, the lower end of each motor is connected with a transmission rotating shaft, the transmission rotating shafts penetrate through the through holes at corresponding positions and are welded with connecting columns, inner screw holes are arranged below the connecting columns, soil sampling needle cylinders are connected in the inner screw holes in a threaded way, the outer wall of each soil sampling needle cylinder is provided with helical blades, the outer wall of each soil sampling needle cylinder is also provided with a plurality of soil lead-in holes, during sampling, the root of the soil sampling needle cylinders which are arranged in a surrounding way and have smaller volume is slowly screwed in the soil, the normal development of the root system can not be influenced, so the method is suitable for popularization and application.

Description

Device for taking soil from rhizosphere of grains

Technical Field

The utility model belongs to the technical field of cereal rhizosphere borrowing, concretely relates to cereal rhizosphere borrowing device.

Background

The current economic development can improve the living standard of people and seriously pollute the environment, wherein soil pollution is one of the conditions. In order to better treat soil pollution, the research on the soil science is important. In the aspect of soil research, an important direction is to explore the restoration effect of plants on the polluted soil. The plant root system plays a role of a link, so that the aspect of extracting the soil in a small range of the plant rhizosphere is very important for exploration. The previous cereal rhizosphere soil sampling device usually utilizes tools to directly excavate, and the sampling mode can destroy the original soil structure in a large area and generate severe disturbance to the plant rhizosphere environment, thereby destroying the normal physiological process of plants. Therefore, a device for taking soil from the rhizosphere of the grains is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grain rhizosphere device of fetching earth to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for taking soil from rhizosphere of grains comprises a supporting disc, wherein a plurality of through holes are formed in the top of the supporting disc in a surrounding manner, stand columns are symmetrically arranged at two ends of the top of the supporting disc, supporting plates located above the supporting disc are arranged at the tops of the two stand columns, a sliding sleeve is connected on the two stand columns in a sliding manner, a motor mounting plate is arranged between the sliding sleeves, a plurality of motors which correspond to the through holes in a one-to-one manner are arranged in the top of the motor mounting plate in a surrounding manner, a transmission rotating shaft is connected to the lower end of each motor, the transmission rotating shafts penetrate through the through holes at corresponding positions and are welded with connecting columns, inner screw holes are formed below the connecting columns, soil sampling needle cylinders are screwed in the inner screw holes, helical blades are arranged on the outer walls of the soil sampling needle cylinders, a plurality of soil introducing, the lower extreme symmetry of backup pad is equipped with the cylinder, and the telescopic link of cylinder is connected with the top of backup pad.

Preferably, a buffer spring positioned below the sliding sleeve is sleeved on the upright post.

Preferably, the top of the support plate is provided with a portable handle.

Preferably, the lower end surface of the supporting disk is provided with positioning columns in a surrounding manner, and the lower end of each positioning column is provided with a sucker.

Preferably, the upper end of soil sample cylinder is open structure, the lower extreme of soil sample cylinder is equipped with the cone-shaped drill bit.

Preferably, the top of the soil sampling needle cylinder is provided with an integrally formed extension cylinder, and the outer wall of the extension cylinder is provided with an external thread screwed with the internal thread hole.

Preferably, the soil sampling needle cylinder has a diameter larger than that of the extension cylinder.

Preferably, the outer wall of the helical blade is sprayed with a zinc-plated anti-rust layer, the lower end face of the supporting plate is provided with a first protective shell for protecting the two cylinders through screws, the outside of each motor is covered with a second protective shell, and the second protective shells are fixedly mounted on the motor mounting plate through screws.

The utility model discloses a technological effect and advantage: the grain rhizosphere soil taking device moves to a grain position of rhizosphere soil to be taken through a handheld portable handle device, branches and leaves of grains pass through a round hole in a supporting plate, a plurality of positioning columns are arranged along the periphery of the grains in a surrounding mode and used for supporting the whole device, a plurality of soil sampling needle cylinders are arranged along the rhizosphere edge position of the grains in a surrounding mode, a plurality of motors are started to drive a transmission rotating shaft to rotate respectively, the transmission rotating shaft can drive a soil sampling needle cylinder to rotate, meanwhile, a starting cylinder drives a telescopic rod of the soil sampling needle cylinder to extend and move downwards, the soil sampling needle cylinder can cut and screw the grain rhizosphere soil in the rotating process through the matching of the arranged helical blades and a conical drill bit, the soil can be screwed into the inside of the grain rhizosphere, finally, the soil at the position of the grain rhizosphere can be taken into the soil sampling needle cylinder through a soil leading, lead to starting cylinder and drive its telescopic link and shorten and to take out soil sample cylinder, the utility model discloses a cooperation that sets up external screw thread and interior screw hole is used and can be taken off soil sample cylinder from the spliced pole, utilizes uncovered on the soil sample cylinder at last, pours out soil.

The utility model discloses at the sampling in-process, utilize a plurality of to encircle the setting and the less soil sampling cylinder slow screw in root of volume takes a sample, and the sample volume is small, does not almost destroy the stability ability of soil, can not influence the normal development of root system yet, so be fit for using widely.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic top view of the support plate 1 of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a support disc; 2. a through hole; 3. a motor mounting plate; 4. a second protective shell; 5. a column; 6. a support plate; 7. a sliding sleeve; 8. an electric motor; 9. a transmission rotating shaft; 10. connecting columns; 11. an inner threaded hole; 12. a soil sampling needle cylinder; 13. a conical drill bit; 14. a helical blade; 15. a soil introduction hole; 16. a circular hole; 17. a cylinder; 18. a buffer spring; 19. the portable hand is carried; 20. a positioning column; 21. a suction cup; 22. an extension cylinder; 23. a first protective shell; 24. and (4) external threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a device for taking soil from the rhizosphere of cereal as shown in figures 1-4, which comprises a supporting disk 1, wherein a plurality of through holes 2 are arranged around the top of the supporting disk 1, two ends of the top of the supporting disk 1 are symmetrically provided with upright columns 5, the top of two upright columns 5 is provided with a supporting plate 6 positioned above the supporting disk 1, two upright columns 5 are connected with a sliding sleeve 7 in a sliding way, a motor mounting plate 3 is arranged between the sliding sleeves 7, the top of the motor mounting plate 3 is provided with a plurality of motors 8 which are in one-to-one correspondence with the through holes 2, the lower end of each motor 8 is connected with a transmission rotating shaft 9, a plurality of transmission rotating shafts 9 penetrate through the through holes 2 at corresponding positions and are welded with a connecting column 10, an inner screw hole 11 is arranged below the connecting column 10, a soil sampling needle cylinder 12 is screwed in the inner screw, the soil sampling needle cylinder 12 is characterized in that the outer wall of the soil sampling needle cylinder 12 is further provided with a plurality of soil introducing holes 15, a round hole 16 for penetrating through grains is formed in the center of the top of the motor mounting plate 3, air cylinders 17 are symmetrically arranged at the lower end of the supporting plate 6, and telescopic rods of the air cylinders 17 are connected with the top of the supporting plate 6.

The upright post 5 is sleeved with a buffer spring 18 positioned below the sliding sleeve 7, so that the work of the air cylinder 17 is buffered. The top of the supporting plate 6 is provided with a portable handle 19, which is convenient for carrying the whole device.

The lower end face of the supporting disc 1 is provided with positioning columns 20 in a surrounding mode, and the lower end of each positioning column 20 is provided with a sucking disc 21. The sucking disc 21 is used for sucking soil on the bottom surface of the grains, so that the whole device is more stably supported.

The upper end of soil sample cylinder 12 is for opening the structure, the lower extreme of soil sample cylinder 12 is equipped with conical bit 13, the top of soil sample cylinder 12 is equipped with an integrated into one piece's extension section of thick bamboo 22, and the outer wall of extending a section of thick bamboo 22 is equipped with the external screw thread 24 with interior screw hole 11 looks spiro union. This arrangement enables the removable attachment of the soil sampling syringe 12. The upper end of the soil sampling needle cylinder 12 is open, so that the subsequent soil dumping work is facilitated.

The diameter of the soil sampling needle cylinder 12 is larger than that of the extension cylinder 22, the outer wall of the spiral blade 14 is coated with a zinc-plated anti-rust layer, a first protective shell 23 used for protecting two air cylinders 17 is mounted on the lower end face of the supporting plate 6 through screws, a second protective shell 4 covers the outer portion of the motor 8, the second protective shell 4 is fixedly mounted on the motor mounting plate 3 through screws, the first protective shell 23 is arranged to protect the air cylinders 17, the second protective shell 4 is arranged to protect the motor 8, and the service lives of the air cylinders 17 and the motor 8 can be prolonged.

When the device is used, the device is moved to a grain position of rhizosphere soil to be taken through a handheld portable handle 19, branches and leaves of grains pass through a round hole 16 on a supporting disk 1, a plurality of positioning columns 20 are arranged around the periphery of the grains and are used for supporting the whole device, a plurality of soil sampling needle cylinders 12 are arranged around the rhizosphere edge position of the grains, a plurality of motors 8 are started to respectively drive a transmission rotating shaft 9 to rotate at the moment, the transmission rotating shaft 9 can drive a soil sampling needle cylinder 12 to rotate, meanwhile, a telescopic rod of the soil sampling needle cylinder is driven to extend and move downwards through a starting air cylinder 17, the soil sampling needle cylinder 12 can cut and screw the rhizosphere soil in the rotating process through the matching of the arranged helical blades 14 and the conical drill bit 23, and therefore the soil can be screwed into the rhizosphere of the grains, and finally the soil at the rhizosphere position of the grains can be taken into the soil sampling, after the sample, lead to and start cylinder 17 and drive its telescopic link and shorten and can take out soil sample cylinder 12, the utility model discloses a cooperation that sets up external screw thread 21 and interior screw hole 11 is used and can be taken off soil sample cylinder 12 from spliced pole 11, utilizes uncovered on the soil sample cylinder 12 at last, pours out soil.

The utility model discloses what should explain at last when using is: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a cereal rhizosphere device of fetching earth, includes supporting disk (1), its characterized in that: the soil sampling device is characterized in that a plurality of through holes (2) are formed in the top of the supporting disc (1) in a surrounding mode, columns (5) are symmetrically arranged at two ends of the top of the supporting disc (1), supporting plates (6) located above the supporting disc (1) are arranged at the tops of the two columns (5), sliding sleeves (7) are connected to the two columns (5) in a sliding mode, a motor mounting plate (3) is arranged between the sliding sleeves (7), a plurality of motors (8) corresponding to the through holes (2) in a one-to-one mode are arranged in the top of the motor mounting plate (3) in a surrounding mode, the lower end of each motor (8) is connected with a transmission rotating shaft (9), the transmission rotating shafts (9) penetrate through the through holes (2) in corresponding positions and are welded with connecting columns (10), inner screw holes (11) are formed in the lower portions of the connecting columns (10), soil sampling needle cylinders (12), the soil sampling needle cylinder is characterized in that the outer wall of the soil sampling needle cylinder (12) is further provided with a plurality of soil introducing holes (15), the top center of the motor mounting plate (3) is provided with a round hole (16) used for penetrating through grains, the lower end of the supporting plate (6) is symmetrically provided with air cylinders (17), and the telescopic rods of the air cylinders (17) are connected with the top of the supporting plate (6).

2. The rhizosphere soil sampling device of claim 1, wherein: and a buffer spring (18) positioned below the sliding sleeve (7) is sleeved on the upright post (5).

3. The rhizosphere soil sampling device of claim 1, wherein: the top of the supporting plate (6) is provided with a portable handle (19).

4. The rhizosphere soil sampling device of claim 1, wherein: the lower end face of the supporting plate (1) is provided with positioning columns (20) in a surrounding mode, and the lower end of each positioning column (20) is provided with a sucker (21).

5. The rhizosphere soil sampling device of claim 1, wherein: the upper end of soil sample cylinder (12) is for opening the structure, the lower extreme of soil sample cylinder (12) is equipped with conical bit (13).

6. The rhizosphere soil sampling device of claim 1, wherein: the top of the soil sampling needle cylinder (12) is provided with an integrally formed extension cylinder (22), and the outer wall of the extension cylinder (22) is provided with an external thread (24) which is in threaded connection with the internal thread hole (11).

7. The rhizosphere soil sampling device of claim 6, wherein: the diameter of the soil sampling needle cylinder (12) is larger than that of the extension cylinder (22).

8. The rhizosphere soil sampling device of claim 1, wherein: the outer wall spraying of helical blade (14) has the zinc-plated antirust coat, the lower terminal surface of backup pad (6) is installed through the screw and is used for protecting first protective housing (23) of two cylinders (17), every the outside of motor (8) is covered with second protective housing (4), and second protective housing (4) passes through screw fixed mounting on motor mounting panel (3).