CN219391406U

CN219391406U - Grassland soil collection system

Info

Publication number: CN219391406U
Application number: CN202320590451.XU
Authority: CN
Inventors: 曹梦川; 杜朋轩; 伍丹; 张婷
Original assignee: Ningxia Vocational And Technical College Ningxia Open University
Current assignee: Ningxia Vocational And Technical College Ningxia Open University
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-21
Anticipated expiration: 2033-03-23

Abstract

The utility model relates to the technical field of soil collection, in particular to a grassland soil collection device which comprises a fixed box, wherein a sampling mechanism is arranged at the bottom of the fixed box and comprises an external screw shaft and a sampling tube; the outer screw shaft is rotatably arranged at the bottom of the fixed box, and the sampling tube is fixedly arranged at the bottom of the outer screw shaft. The utility model can make the sampling tube go deep into deeper soil, so as to collect the soil of different soil layers, and greatly improve the detection accuracy of the soil.

Description

Grassland soil collection system

Technical Field

The utility model relates to the technical field of soil collection, in particular to a grassland soil collection device.

Background

Grasslands are lands where the growing herbs and shrubs predominate and are suitable for developing animal husbandry production. It has a special ecological system and is an renewable natural resource. Soil refers to a layer of loose substances on the surface of the earth, and consists of various granular mineral substances, organic substances, moisture, air, microorganisms and the like, and can grow plants; when the grassland soil is used, various aspects of the soil are often required to be detected, and a plurality of devices for sampling the soil appear in the prior art;

for example, chinese patent application No. CN201921139299.3 discloses a "natural grassland soil collecting device, including a rocker arm and a rotary pressing mechanism, the rocker arm is fixedly disposed at the top of the rotary pressing mechanism, and the rocker arm is in transmission connection with the rotary pressing mechanism, the rotary pressing mechanism includes a down-rotating pipe, a transmission sleeve and a scale rod, the down-rotating pipe, the transmission sleeve and the scale rod are coaxially disposed, the scale rod can be disposed in the down-rotating pipe in a vertically sliding manner, an external thread is provided at the outer edge of the down-rotating pipe, an internal thread matched with the external thread of the down-rotating pipe is provided at the inner edge of the transmission sleeve, and a fixing sleeve for abutting against the ground is fixedly disposed at the bottom of the transmission sleeve;

this type of patent makes "spin pipeline" screw in to soil through artifical multiple loaded down with trivial details operation and samples soil, and this kind of mode can realize taking a sample soil, and artificial work load is big at that time, and "spin pipeline" is deep then harder to pull out more deeply in addition, and this just leads to "spin pipeline" to hardly go deep more deep soil layer to take a sample to the soil layer of deeper, this just influences the soil of this region and carries out accurate detection.

Disclosure of Invention

The utility model aims to solve the defect that the deep soil is difficult to sample in the prior art, and provides a grassland soil collecting device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the grassland soil collecting device comprises a fixed box, wherein a sampling mechanism is arranged at the bottom of the fixed box and comprises an external screw shaft and a sampling tube; the outer screw shaft is rotatably arranged at the bottom of the fixed box, and the sampling tube is fixedly arranged at the bottom of the outer screw shaft.

Preferably, the stationary box comprises a sample storage chamber and a mounting chamber; the sample storage chamber is positioned above the sample storage chamber.

Preferably, the outer screw shaft is of a hollow structure.

Preferably, the outer edge of the bottom of the sampling tube is provided with a plurality of sawtooth grooves, and the sawtooth grooves are distributed around the sampling tube at equal intervals.

Preferably, the sampling mechanism further comprises a driving piece, wherein the driving piece comprises a connecting shaft, a first gear, a first motor and a second gear; the connecting shaft is rotatably installed in the installation chamber and fixedly connected with the external screw shaft, the first gear is fixedly installed on the connecting shaft, the first motor is fixedly installed in the installation chamber and fixedly connected with the output shaft and the second gear, and the second gear is meshed with the first gear.

Preferably, a collecting mechanism is arranged on the inner side of the outer screw shaft, and comprises an inner screw shaft, a drill bit and a second motor; the inner screw shaft penetrates through the outer screw shaft and is in rotary connection with the outer screw shaft, the top end of the inner screw shaft is located in the sample storage chamber, the bottom end of the inner screw shaft is fixedly connected with the drill bit, the second motor is fixedly installed at the top of the fixing box, and the output shaft is fixedly connected with the inner screw shaft.

The grassland soil collecting device provided by the utility model has the beneficial effects that:

1. the outer screw shaft drives the sampling tube to synchronously rotate, the serration groove at the bottom of the sampling tube can quickly break soil, and then the outer screw shaft rotates to penetrate deep into soil, so that the sampling tube penetrates deep into deeper soil, the soil of different soil layers is collected, and the detection accuracy of the soil is greatly improved;

2. during sampling, the second motor is started simultaneously to enable the inner screw shaft to rotate, so that soil inside the sampling tube is led into the sample storage chamber along the inner wall of the outer screw shaft to be stored, sampling soil can be taken out by opening the box door, sampling of the soil is greatly facilitated, and the manual labor capacity is greatly reduced.

Drawings

FIG. 1 is a schematic diagram of a grassland soil collecting device according to the present utility model;

FIG. 2 is a schematic structural diagram of a sampling mechanism of a grassland soil collecting device according to the present utility model;

FIG. 3 is a schematic structural view of a driving member of a grassland soil collecting device according to the present utility model;

fig. 4 is a schematic structural diagram of a collecting mechanism of a grassland soil collecting device according to the present utility model.

In the figure: the sample storage device comprises a fixed box 1, a sample storage chamber 11, a mounting chamber 12, a box door 2, a sampling mechanism 3, an outer screw shaft 31, a sampling cylinder 32, a sawtooth groove 33, a driving piece 34, a connecting shaft 341, a first gear 342, a first motor 343, a second gear 344, a collecting mechanism 4, an inner screw shaft 41, a drill 42 and a second motor 43.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1:

referring to fig. 1-3, a grassland soil collecting device comprises a fixed box 1, wherein a box door 2 is hinged to the outer side of the fixed box 1, the fixed box 1 comprises a sample storage chamber 11 and a mounting chamber 12, and the sample storage chamber 11 is positioned above the sample storage chamber 11; the bottom of the fixed box 1 is provided with a sampling mechanism 3, and the sampling mechanism 3 comprises an external screw shaft 31, a sampling tube 32 and a driving piece 34; the outer screw shaft 31 is rotatably arranged at the bottom of the fixed box 1, and the outer screw shaft 31 is of a hollow structure; the sampling tube 32 is fixedly arranged at the bottom of the outer screw shaft 31, a plurality of saw tooth grooves 33 are formed in the outer edge of the bottom of the sampling tube 32, and the saw tooth grooves 33 are distributed around the sampling tube 32 at equal intervals. The spiral structure of outer screw shaft 31 self can be through rotatory deep into the soil inside fast, and sampling tube 32 can utilize serration groove 33 to break the earth, and sampling tube 32 can be with the leading-in sampling tube 32 of soil collection sample simultaneously.

The driving member 34 includes a connection shaft 341, a first gear 342, a first motor 343, and a second gear 344; the connection shaft 341 is rotatably installed in the installation chamber 12 and fixedly connected with the outer screw shaft 31, the first gear 342 is fixedly installed on the connection shaft 341, the first motor 343 is fixedly installed in the installation chamber 12, the output shaft is fixedly connected with the second gear 344, and the second gear 344 is meshed with the first gear 342.

The second gear 344 is enabled to rotate by starting the first motor 343, so that the first gear 342 drives the connecting shaft 341 to synchronously rotate, the outer screw shaft 31 drives the sampling cylinder 32 to synchronously rotate, the tooth grooves 33 at the bottom of the sampling cylinder 32 can quickly break soil, and then the outer screw shaft 31 rotates deep into soil, so that the sampling cylinder 32 can be deep into deeper soil, the soil of different soil layers is collected, and the detection accuracy of the soil is greatly improved.

Example 2:

referring to fig. 1 to 4, as another preferred embodiment of the present utility model, a difference from embodiment 1 is that a collecting mechanism 4 is installed inside an outer screw shaft 31, the collecting mechanism 4 including an inner screw shaft 41, a drill 42, and a second motor 43; the inner screw shaft 41 penetrates the outer screw shaft 31 and is rotatably connected with the outer screw shaft 31, the top end of the inner screw shaft 41 is positioned in the sample storage chamber 11, the bottom end of the inner screw shaft 41 is fixedly connected with the drill bit 42, the second motor 43 is fixedly arranged at the top of the fixed box 1, and the output shaft is fixedly connected with the inner screw shaft 41.

During sampling, the second motor 43 is started at the same time to enable the inner screw shaft 41 to rotate, so that soil in the sampling tube 32 is led into the sample storage chamber 11 along the inner wall of the outer screw shaft 31 for storage, and the sampled soil can be taken out by opening the box door 2, thereby greatly facilitating the sampling of the soil and greatly reducing the manual labor amount; the drill 42 can assist the sampling tube 32 to break hard soil layers, so that the sampling tube 32 can smoothly penetrate into different soil layers.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The grassland soil collecting device comprises a fixed box (1), and is characterized in that a sampling mechanism (3) is arranged at the bottom of the fixed box (1), and the sampling mechanism (3) comprises an outer screw shaft (31) and a sampling cylinder (32); the outer screw shaft (31) is rotatably arranged at the bottom of the fixed box (1), and the sampling tube (32) is fixedly arranged at the bottom of the outer screw shaft (31).

2. The grassland soil collecting device of claim 1, wherein the stationary box (1) comprises a sample storage chamber (11) and a mounting chamber (12); the sample storage chamber (11) is positioned above the sample storage chamber (11).

3. A grassland soil collecting device according to claim 2, wherein the outer screw shaft (31) is of hollow construction.

4. A grassland soil collecting device according to claim 2 or 3, wherein the outer edge of the bottom of the sampling tube (32) is provided with a plurality of saw tooth grooves (33), and the saw tooth grooves (33) are distributed around the sampling tube (32) at equal intervals.

5. The lawn soil collection device according to claim 4, wherein the sampling mechanism (3) further comprises a drive member (34), the drive member (34) comprising a connecting shaft (341), a first gear (342), a first motor (343) and a second gear (344); the connecting shaft (341) is rotatably installed in the installation chamber (12) and is fixedly connected with the outer screw shaft (31), the first gear (342) is fixedly installed on the connecting shaft (341), the first motor (343) is fixedly installed in the installation chamber (12) and is fixedly connected with the output shaft and the second gear (344), and the second gear (344) is meshed with the first gear (342).

6. The grassland soil collecting device of claim 5, wherein a collecting mechanism (4) is installed inside the outer screw shaft (31), the collecting mechanism (4) comprising an inner screw shaft (41), a drill bit (42) and a second motor (43); the inner screw shaft (41) penetrates through the outer screw shaft (31) and is rotationally connected with the outer screw shaft (31), the top end of the inner screw shaft (41) is located in the sample storage chamber (11), the bottom end of the inner screw shaft (41) is fixedly connected with the drill bit (42), the second motor (43) is fixedly installed at the top of the fixed box (1), and the output shaft is fixedly connected with the inner screw shaft (41).