CN220437796U

CN220437796U - Sampling device for soil collection

Info

Publication number: CN220437796U
Application number: CN202320041672.1U
Authority: CN
Inventors: 刘轩志
Original assignee: Jilin Agricultural University
Current assignee: Jilin Agricultural University
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2024-02-02
Anticipated expiration: 2033-01-06

Abstract

The utility model relates to a sampling device, in particular to a sampling device for soil collection, which comprises a drill rod, wherein a baffle is sleeved at the middle part of the drill rod through threads, the lower end of the drill rod is fixedly connected with a fixed box, the lower end of the fixed box is fixedly connected with a soil expanding assembly, the axis of the soil expanding assembly is rotationally connected with a lifting assembly, the inside of the lifting assembly is sleeved with a sampling assembly in a sliding manner, and the sampling assembly is sleeved with the drill rod in a sliding manner; according to the utility model, the soil expanding assembly and the sampling assembly are arranged, after the drill rod is impacted to drill into soil, the sampling device is placed in the drill rod, then the supporting ring and the pressure spring are extruded through the sampling rod, the moving ring is driven to move downwards, the soil expanding piece is opened, the sampling rod moves downwards in the rotating process of the sampling rod, the sampler penetrates into the soil, the soil is collected in the sampler, sampling is completed, the device is simple, sampling can be carried out at different depths, and the measurement data is accurate.

Description

Sampling device for soil collection

Technical Field

The utility model relates to a sampling device, in particular to a sampling device for soil collection, and belongs to the technical field of soil collection.

Background

Soil sampling refers to a method for collecting soil samples, which comprises the steps of arranging and sampling, wherein the soil is sampled through a sampling device after the soil is collected, most of current sampling devices for soil collection are used for driving drill rods into the ground through impact drills, the drill rods form a groove in the soil, then the drill rods are taken out, and the soil enters a soil collection box reserved by the drill rods.

For example, in application number CN216669327U, including drilling rod, drill bit and first handle, the surface of drilling rod is provided with sampling structure, sampling structure includes the connecting rod, the surface slip of connecting rod is inserted and is established on the drilling rod top, the fixed surface of connecting rod installs the closing plate, the bottom of closing plate is provided with the scraper blade, the through-hole with scraper blade size looks adaptation has been seted up to the lateral wall of drilling rod, the fixed surface of scraper blade installs the pivot. According to the utility model, through the arrangement of the sampling structure, the soil with different depths can be conveniently sampled, the operation is convenient, the time occupied by soil sampling is saved, the working efficiency is increased, but the rotating shaft always rotates in the sampling process of the device, and the scraper continuously collects the soil at the shallow position in the drill rod, so that the soil data is inaccurate.

The present utility model has been made in view of this.

Disclosure of Invention

The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a soil sampling device.

The utility model realizes the purpose through the following technical scheme, the sampling device for soil collection comprises a drill rod, wherein a baffle is sleeved at the middle part of the drill rod through threads, the lower end of the drill rod is fixedly connected with a fixed box, the lower end of the fixed box is fixedly connected with a soil expanding assembly, the axis of the soil expanding assembly is rotationally connected with a lifting assembly, the inside of the lifting assembly is sleeved with a sampling assembly in a sliding manner, and the sampling assembly is in sliding sleeve joint with the drill rod.

Further, expand the soil subassembly and include a plurality of soil pieces that expand, a plurality of expand the equal fixedly connected with connecting block of soil piece upper end, a plurality of the upper end both sides of connecting block are all rotated through the loose axle and are connected with first supporting shoe, a plurality of the equal fixedly connected with solid fixed ring of first supporting shoe, gu fixed ring passes through dead lever and fixed box fixed connection, gu fixed ring's inner wall and lifting unit slip cup joint, gu fixed ring's upper end fixedly connected with first spacing ring.

Further, a plurality of expand the equal rotation of soil piece inner wall and be connected with the bracing piece through the third supporting shoe, a plurality of the bracing piece is kept away from the third supporting shoe and is all rotated through the pivot and be connected with the second supporting shoe, a plurality of the second supporting shoe is kept away from the one end of second supporting shoe and is all with remove ring fixed connection, remove the inner wall and the lift subassembly slip of ring and cup joint.

Further, the lifting assembly comprises a movable rod, the upper end of the movable rod is fixedly connected with a supporting ring, a pressure spring is fixedly connected between the supporting ring and the first limiting ring, two second limiting rings matched with the movable ring are arranged at the lower end of the movable rod, and the movable rod is fixedly connected with the fixed ring.

Further, the sampling assembly comprises a sampling rod, the sampling rod is sleeved with the drill rod through threads, a sampler is fixedly connected to the lower part of the sampling rod, a rotating wrench is arranged at the upper end of the sampling rod, and the lower end of the sampling rod is sleeved with the supporting ring in a sliding mode.

Further, the outer wall of the drill rod is provided with an external thread, the inner wall of the drill rod is provided with an internal thread, the external thread is sleeved with the baffle thread, and the internal thread is sleeved with the thread of the sampling rod.

The utility model has the technical effects and advantages that: according to the utility model, the soil expanding assembly and the sampling assembly are arranged, after the drill rod is impacted to drill into soil, the sampling device is placed in the drill rod, then the supporting ring and the pressure spring are extruded by the sampling rod, the moving ring is driven to move downwards, the soil expanding piece is opened, the sampling rod moves downwards in the rotating process of the sampling rod, the sampler penetrates into the soil, the soil is collected in the sampler, sampling is completed, the device is simple, sampling can be carried out at different depths, and the measurement data is accurate;

according to the utility model, the baffle is arranged, and the distance from the baffle to the lowest end of the soil expanding assembly is continuously changed by rotating the baffle, so that the drill rod can be prevented from continuously moving downwards when the drill rod contacts the baffle in the downward moving process, and the purpose of conveniently collecting soil with different soil depths is achieved.

Drawings

FIG. 1 is a schematic diagram of a sampling device for soil collection according to the present utility model;

FIG. 2 is a schematic diagram of a split structure of a sampling device for soil collection according to the present utility model;

FIG. 3 is a schematic diagram of a split explosion of a sampling device for soil collection according to the present utility model;

FIG. 4 is a schematic view of the construction of the soil expanding device and lifting assembly of the present utility model;

fig. 5 is a schematic structural view of the soil expanding device and the lifting assembly of the present utility model.

In the figure: 1. a drill rod; 101. an external thread; 102. an internal thread; 2. a baffle; 3. a fixed box; 4. a soil expanding assembly; 401. a soil spreading sheet; 402. a connecting block; 403. a fixing ring; 404. a fixed rod; 405. a first support block; 406. a first stop collar; 407. a movable shaft; 408. a moving ring; 409. a second support block; 410. a support rod; 411. a third support block; 5. a sampling assembly; 501. a sampling rod; 502. a sampler; 503. rotating a wrench; 6. a lifting assembly; 601. a support ring; 602. a pressure spring; 603. a movable rod; 604. and a second limiting ring.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a sampling device for soil collection comprises a drill rod 1, wherein a baffle plate 2 is sleeved at the middle part of the drill rod 1 in a threaded manner, a fixed box 3 is fixedly connected to the lower end of the drill rod 1, a soil expanding component 4 is fixedly connected to the lower end of the fixed box 3, a lifting component 6 is rotatably connected to the shaft center of the soil expanding component 4, a sampling component 5 is sleeved in the lifting component 6 in a sliding manner, the sampling component 5 is sleeved with the drill rod 1 in a sliding manner, the upper end of the drill rod 1 is connected with an impact drill, and the drill rod 1 is driven into soil through the impact drill.

As a technical optimization scheme of the sampling device for soil collection, the soil expanding assembly 4 comprises a plurality of soil expanding pieces 401, connecting blocks 402 are fixedly connected to the upper ends of the soil expanding pieces 401, first supporting blocks 405 are rotatably connected to the two sides of the upper ends of the connecting blocks 402 through movable shafts 407, fixing rings 403 are fixedly connected to the first supporting blocks 405, the fixing rings 403 are fixedly connected with the fixing boxes 3 through fixing rods 404, the inner walls of the fixing rings 403 are in sliding sleeve joint with lifting assemblies 6, and first limiting rings 406 are fixedly connected to the upper ends of the fixing rings 403.

As a technical optimization scheme of the sampling device for soil collection, the inner walls of the soil expansion sheets 401 are respectively and rotatably connected with the support rods 410 through the third support blocks 411, the support rods 410 far away from the third support blocks 411 are respectively and rotatably connected with the second support blocks 409 through the rotating shafts, one ends of the second support blocks 409 far away from the second support blocks 409 are respectively and fixedly connected with the movable ring 408, and the inner walls of the movable ring 408 are in sliding sleeve joint with the lifting assembly 6.

As a technical optimization scheme of the sampling device for soil collection, the lifting assembly 6 comprises a movable rod 603, wherein the upper end of the movable rod 603 is fixedly connected with a supporting ring 601, a pressure spring 602 is fixedly connected between the supporting ring 601 and a first limiting ring 406, two second limiting rings 604 matched with a movable ring 408 are arranged at the lower end of the movable rod 603, and the movable rod 603 is fixedly connected with a fixed ring 403.

As a technical optimization scheme of the sampling device for soil collection, the sampling assembly 5 comprises a sampling rod 501, the sampling rod 501 is sleeved with a drill rod 1 through threads, a sampler 502 is fixedly connected to a lower part of the sampling rod 501, a rotating wrench 503 is arranged at the upper end of the sampling rod 501, and the lower end of the sampling rod 501 is sleeved with a supporting ring 601 in a sliding mode.

As a technical optimization scheme of the sampling device for soil collection, the outer wall of the drill rod 1 is provided with the external thread 101, the inner wall of the drill rod 1 is provided with the internal thread 102, the external thread 101 is in threaded sleeve joint with the baffle plate 2, and the internal thread 102 is in threaded sleeve joint with the sampling rod 501.

After the installation is completed, a worker firstly transfers the drill rod 1 into soil through a percussion drill, after the drill rod 1 enters the soil, the percussion drill is removed, at the moment, the sampling assembly 5 is put into the drill rod 1, when the lower end of the sampling rod 501 contacts the supporting ring 601, the lower end of the sampler 502 is not contacted with the soil expansion sheet 401, then the sampling rod 501 is driven to rotate by rotating the rotating spanner 503 with both hands, the sampling rod 501 is downwards moved by screwing the sampling rod 501 and the drill rod 1 in a threaded sleeve manner, the supporting ring 601 and the movable rod 603 are driven to downwards move, the compression spring 602 is extruded, the movable ring 408 is driven to downwards move in the downwards moving process of the movable rod 603, the supporting rod 410 starts to rotate until the supporting rod 410 approaches to the horizontal, the soil expansion sheet 401 is rotated along the axis 407 to outwards expand the soil expansion sheet 401 to the maximum angle, the sampler 502 is driven to downwards move in the downwards moving process of the sampling rod 501, the soil is collected, after the collection is completed, the sampling assembly 5 is recovered by reversing the sampling rod 501, the soil expansion sheet 401 is completely contracted under the elasticity of the compression spring 602, and then the soil expansion sheet 1 is taken out; by rotating the baffle plate 2, the distance between the baffle plate 2 and the bottommost end of the soil expanding component 4 is continuously changed, and when the drill rod 1 moves downwards, the baffle plate 2 is contacted, so that the drill rod 1 can be prevented from continuously moving downwards, and the purpose of conveniently collecting soil with different soil depths is achieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a sampling device for soil collection, includes drilling rod (1), its characterized in that: the middle part of the drill rod (1) is in threaded sleeve joint with a baffle plate (2), the lower end of the drill rod (1) is fixedly connected with a fixed box (3), the lower end of the fixed box (3) is fixedly connected with a soil expanding assembly (4), the soil expanding assembly (4) is rotationally connected with a lifting assembly (6), a sampling assembly (5) is sleeved in the lifting assembly (6) in a sliding mode, and the sampling assembly (5) is sleeved with a drill rod (1) in a sliding mode.

2. The sampling device for soil collection of claim 1, wherein: the soil expanding assembly (4) comprises a plurality of soil expanding pieces (401), wherein the soil expanding pieces (401) are fixedly connected with connecting blocks (402) at the upper ends, the connecting blocks (402) are rotatably connected with first supporting blocks (405) through movable shafts (407) at the two sides of the upper ends, the first supporting blocks (405) are fixedly connected with fixing rings (403), the fixing rings (403) are fixedly connected with a fixing box (3) through fixing rods (404), the inner walls of the fixing rings (403) are in sliding sleeve joint with lifting assemblies (6), and first limiting rings (406) are fixedly connected with the upper ends of the fixing rings (403).

3. The sampling device for soil collection of claim 2, wherein: a plurality of expand native piece (401) inner wall and all rotate through third supporting shoe (411) and be connected with bracing piece (410), a plurality of bracing piece (410) are kept away from third supporting shoe (411) and all are connected with second supporting shoe (409) through the pivot rotation, a plurality of second supporting shoe (409) keep away from the one end of second supporting shoe (409) all with remove ring (408) fixed connection, remove the inner wall of ring (408) and lift subassembly (6) slip cup joint.

4. A soil sampling apparatus according to claim 3, wherein: the lifting assembly (6) comprises a movable rod (603), the upper end of the movable rod (603) is fixedly connected with a supporting ring (601), a pressure spring (602) is fixedly connected between the supporting ring (601) and a first limiting ring (406), two second limiting rings (604) matched with the movable ring (408) are arranged at the lower end of the movable rod (603), and the movable rod (603) is fixedly connected with the fixed ring (403).

5. The sampling device for soil collection of claim 4, wherein: the sampling assembly (5) comprises a sampling rod (501), the sampling rod (501) is sleeved with a drill rod (1) through threads, a sampler (502) is fixedly connected to the lower part of the sampling rod (501), a rotating wrench (503) is arranged at the upper end of the sampling rod (501), and the lower end of the sampling rod (501) is sleeved with a supporting ring (601) in a sliding mode.

6. The sampling device for soil collection of claim 5, wherein: external screw threads (101) are formed in the outer wall of the drill rod (1), internal screw threads (102) are formed in the inner wall of the drill rod (1), the external screw threads (101) are sleeved with screw threads of the baffle plate (2), and the internal screw threads (102) are sleeved with screw threads of the sampling rod (501).