CN102023103B - Soil sample collector - Google Patents

Abstract

The invention relates to a soil sample collection device, in particular to a soil sample collector capable of collecting plow layer soil samples for the analysis of various conventional soil samples, including a handle and a drill body, the handle includes two hollow nested A steel pipe, wherein a first spring is placed inside the outer steel pipe, and an opening is provided on the upper wall of the outer steel pipe; one end of the inner steel pipe is reciprocally nested in the outer steel pipe, and the first spring is located at the end of the inner steel pipe. Between the inner part and the inner wall of the outer steel pipe, the inner steel pipe located in the outer steel pipe is provided with a positioning device that is positioned in the opening when the drill body is opened; the drill body is composed of two parts with the same structure. The two parts are respectively connected with the outer and inner layer steel pipes. The invention has small size, compact combination of the handle and the drill body, and has no effect on the growth of surrounding plants when collecting soil surface soil samples, which is especially obvious when the crop plants are high and the planting density is high; it can also be used as plant seedlings period of transplanting.

Description

A soil sample collector

technical field

The invention relates to soil sample collection equipment, in particular to a soil sample collector which can collect plow layer soil samples for analysis of various conventional soil samples.

Background technique

For agricultural production, timely collection of soil samples for the determination of physical and chemical indicators will help to understand the state of soil nutrients in a timely manner, and corresponding measures can be taken in a timely manner according to the nutrient status of crops to effectively ensure high and stable crop yields.

At present, the method of grasping the soil nutrient status during crop growth is mostly to use soil auger sampling, and there are many kinds of soil augers, but most of them have long handles. These soil augers are easy to operate when the crop plants are short, and when the plants are tall to collect soil samples, the rotation of the handle will affect the growth of surrounding plants, especially when sampling densely planted crops.

Contents of the invention

In order to solve the problem that existing soil collection equipment affects plants when collecting soil, the object of the present invention is to provide a soil sample collector that does not interfere with crops around the sampling point, and the collector can also be used for transplanting crop seedlings.

The inventor's purpose is achieved by the following technical solutions:

The invention includes a handle and a drill body, the handle includes two hollow nested steel pipes, wherein a first spring is placed inside the outer steel pipe, and an opening is arranged on the upper wall of the outer steel pipe; one end of the inner steel pipe can move back and forth Nested in the outer steel pipe, the first spring is located between the end of the inner steel pipe and the inner wall of the outer steel pipe, and the inner steel pipe is located in the outer steel pipe. The internal positioning device; the drill body is composed of two hinged parts with the same structure, and the two parts are respectively connected with the outer and inner steel pipes.

Wherein: the positioning device includes a metal cap and a second spring, a radially movable metal cap is arranged on one side wall of the inner steel pipe, and the second spring is arranged on the metal cap and the other side wall of the inner steel pipe In between, the second spring abuts against the metal cap; the drill body is composed of two semi-cylindrical structures, one end of the two semi-cylindrical structures is hinged by a rivet, and the other end is a free end; the two semi-cylindrical structures The outer and inner steel pipes are respectively connected by metal connectors; the free ends of the two semi-cylindrical structures of the drill body are respectively provided with cutting edges; the axial edges of the two semi-cylindrical structures of the drill body are respectively provided with sheet metal.

Advantage of the present invention and positive effect are:

1. The present invention is compact in size, and the handle and the drill body are compactly combined, and has no effect on the growth of surrounding plants when collecting soil surface soil samples, which is especially obvious when the crop plants are tall and the planting density is high.

2. The present invention can also be used for transplanting at the seedling stage of plants, and is suitable for crops with smaller volumes;

When the crops are transplanted, it can maintain a better undisturbed soil around the roots of the crops, less disturbance to the roots of the crops, and is conducive to the rapid recovery of the transplanted seedlings.

3. There is a cutting edge at the lower end of the drill body, which is convenient for cutting soil.

4. The edges of the two semi-cylindrical structures of the drill body are respectively provided with metal sheets, which can ensure that the two are well closed.

5. The present invention has simple structure, convenient operation, and is economical and practical.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the schematic diagram of the open state of the drill body of the present invention;

Among them: 1 is the outer steel pipe, 2 is the inner steel pipe, 3 is the first spring, 4 is the metal cap, 5 is the second spring, 6 is the opening, 7 is the metal connector, 8 is the rivet, 9 is the drill body , 10 is a sheet metal, and 11 is a cutting edge.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

As shown in Fig. 1 and Fig. 2, the present invention includes a handle and a drill body 9 that can be opened and closed. The handle includes two circular hollow nested steel pipes, that is, an outer steel pipe 1 and an inner steel pipe 2; A first spring 3 is placed inside the steel pipe 1 , and an opening 6 is provided on the upper wall of the outer steel pipe 1 . One end of the inner steel pipe 2 is nested in the outer steel pipe 1 and can reciprocate axially relative to the outer steel pipe 1. The first spring 3 is located at the end of the nested end of the inner steel pipe 2 and the inner wall of the outer steel pipe 1. between. The pipe body in which the inner steel pipe 2 is located in the outer steel pipe 1 is provided with a positioning device that is positioned in the opening 6 when the drill body is opened. The positioning device includes a metal cap 4 and a second spring 5. A part of the inner steel pipe 2 A radially movable metal cap 4 is provided on the side wall (upper side wall in FIG. 1 ), and a second spring 5 is arranged on the metal cap 4 and the other side wall (lower side in FIG. Between the walls), the second spring 5 abuts against the metal cap 4 to support the metal cap 4. The position of the metal cap 4 on the inner layer steel pipe 2 sidewalls should ensure that when the drill body 9 was closed, the metal cap 4 was positioned on the left side of the opening 6 on the outer layer steel pipe 1 (position shown in Figure 1). The length of the inner steel pipe 2 nested in the outer steel pipe 1 should ensure that the metal cap 4 slides into the opening 6 of the outer steel pipe 1 when the drill body 9 is opened, and the end of the inner steel pipe 2 should squeeze the first The spring 3 enables the inner steel pipe 2 to be reset by the elastic force of the first spring 3 when the drill body 9 is closed. The openable and closable drill body 9 is composed of two semi-cylindrical structures, one end of the two semi-cylindrical structures extends outwards to form a semicircle, and the semicircles at one end of the two semi-cylindrical structures overlap each other and pass through the rivet 8 The other end is a free end; the two semi-cylindrical structures are connected to the outer and inner steel pipes 1 and 2 through metal connectors 7 respectively. The metal connector 7 is welded with the inner and outer layer steel pipes. The free ends of the two semi-cylindrical structures of the drill body 9 are respectively provided with cutting edges 11 . The axial edges of the two semi-cylindrical structures of the drill body 9 are respectively provided with metal sheets 10 protruding from the drill body. The metal sheets 10 are rectangular, and the two edges of each semi-cylindrical structure are all provided with metal sheets 10. A semi-cylindrical structure closes to limit edge alignment and remains well closed during rotation of the excavated soil.

Working principle of the present invention is:

When collecting soil samples, hold the handle composed of the outer steel pipe 1 and the inner steel pipe 2, press the drill body 9 vertically into the soil, and the soil enters the inside of the drill body under the cutting of the sharp cutting edge 11 at the lower end of the drill body 9 ; When the sampling depth requirement is reached, the collector is pulled out to complete the collection of the soil sample. After the soil sample collection is completed, press the two ends of the inner and outer steel pipes 2, 1, the inner and outer steel pipes 2, 1 slide relative to each other under the action of external force, and the end of the nested end of the inner steel pipe 2 squeezes the first spring 3. Until the metal cap 4 on the inner steel pipe 2 slides into the opening 6 on the outer steel pipe 1 under the action of the elastic force of the second spring 5, the relative position of the outer steel pipe 1 and the inner steel pipe 2 is limited; 1. In the process of relative sliding of the outer steel pipe, since the two semi-cylindrical structures of the drill body 9 are fixedly connected to the inner and outer steel pipes respectively through the metal connector 7, the two semi-cylindrical structures are respectively rotated around the rivet 8, Open to the state shown in Figure 2, the soil body inside the drill body 9 is just taken out from the drill body inside. After the soil sample inside the drill body 9 is taken out, the metal cap 4 is pressed down, so that the metal cap 4 breaks away from the hole 6, and the squeezed first spring 3 pushes the inner steel pipe 2 to the left in Fig. 2 by its own elastic force Sliding; in the process of sliding, the two semi-cylindrical structures of the drill body rotate in reverse around the rivet 8, until the relative position of the outer steel pipe 1 and the inner steel pipe 2 returns to the initial state, and the two half-cylindrical structures of the drill body The structure is also restored to the closed state; the relative position of the two semi-cylindrical structures is limited by the metal sheet 10 at the edge of the two, which can ensure a good closure of the two. After the collector is reset, the next sampling can be performed according to the above operation; this process is repeated, and sampling can be performed multiple times.

The soil samples collected by the present invention can be used to measure important soil geological parameters such as soil weight per unit volume, soil water content per unit volume or porosity, and the collector of the present invention can be used as the original soil sample collection of the soil plow layer, and can also be used as The soil cultivation layer is generally used with soil sample collectors, especially suitable for use in narrow spaces such as densely planted high-stalk crops. Collecting soil samples in the plow layer of the soil without disturbing the crops around the sampling point enables people to know the abundance and deficiency of elements in the soil in a timely manner, which can be used in time to guide production and maintain high and stable yields of crops.

The invention can also be used for transplanting at the seedling stage of plants, and is suitable for crops with smaller volumes. When the crops are transplanted, it can maintain a better undisturbed soil around the roots of the crops, less disturbance to the roots of the crops, and is conducive to the rapid recovery of the transplanted seedlings.

The materials of the outer steel pipe, the inner steel pipe, the metal cap, the metal connector, the drill body, the metal sheet and the cutting edge of the present invention are all stainless steel.

Claims (5)

1. a pedotheque collector comprises handle and drill body, it is characterized in that: said handle comprises the nested steel pipe of two hollows, wherein is equipped with first spring (3) in the outer layer pipe (1), is provided with perforate (6) at the upper wall of outer layer pipe (1); One end of inner layer steel pipe (2) can reciprocatingly be nested in the outer layer pipe (1); First spring (3) is positioned between the inwall of end and outer layer pipe (1) of the nested end of inner layer steel pipe (2), and the body that is positioned at outer layer pipe (1) at inner layer steel pipe (2) is provided with the locating device that is positioned perforate (6) when drill body is opened; Said drill body (9) is by the identical two parts of structure hinged composition, and these two parts are connected with outer, inner layer steel pipe (1,2) respectively.

2. by the described pedotheque collector of claim 1; It is characterized in that: said locating device comprises metal cap (4) and second spring (5); On a sidewall of inner layer steel pipe (2), be provided with the metal cap (4) that can move radially; Second spring (5) is arranged between another sidewall of this metal cap (4) and inner layer steel pipe (2), and second spring (5) is connected to metal cap (4).

3. by the described pedotheque collector of claim 1, it is characterized in that: said drill body (9) is become by two semicircle tubular structural group, and an end of two halves cylinder-like structure is hinged through rivet (8), and the other end is a free end; Said two halves cylinder-like structure is connected with outer, inner layer steel pipe (1,2) through metal connecting piece (7) respectively.

4. by the described pedotheque collector of claim 3, it is characterized in that: the free end of (9) two semicircle tubular structures of said drill body is respectively equipped with cutting edge (11).

5. by the described pedotheque collector of claim 3, it is characterized in that: the edge of (9) two semicircle tubular structures of said drill body is respectively equipped with and protrudes in the outer sheet metal (10) of drill body.

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