CN102023103B

CN102023103B - Soil sample collector

Info

Publication number: CN102023103B
Application number: CN2009101873875A
Authority: CN
Inventors: 武志杰; 刘兴斌; 陈利军
Original assignee: Institute of Applied Ecology of CAS
Current assignee: Institute of Applied Ecology of CAS
Priority date: 2009-09-16
Filing date: 2009-09-16
Publication date: 2012-05-23
Anticipated expiration: 2029-09-16
Also published as: CN102023103A

Abstract

The invention relates to soil sample collecting equipment, in particular to a soil sample collector for collecting a soil sample in a plough layer for various conventional soil sample analysis. The soil sample collector comprises a handle and a drilling body, wherein the handle comprises two hollow nested steel tubes; a first spring is accommodated in the outer-layer steel tube; an open pore is arranged on the upper wall of the outer-layer steel tube; one end of the inner-layer steel tube can be nested in the outer-layer steel tube in a reciprocating moving manner; the first spring is positioned between the end part of the inner-layer steel tube and the inner wall of the outer-layer steel tube; a positioning device positioned in the open pore when the drilling body is opened is arranged on a tube body of the inner-layer steel tube positioned in the outer-layer steel tube; the drilling body is formed by hinging two parts with the same structure; and the two parts are respectively connected with the inner-layer steel tube and the outer-layer steel tube. The soil sample collector has small size; the handle and the drilling body are compactly combined; when the soil sample collector is free from influencing the growth of peripheral plants when being used for collecting the soil samples on the surface layer of soil, and the advantages are especially remarkable when the crop plants are higher and the planting density is larger; and the soil sample collector can be also used for transplanting plants at the seedling stage.

Description

A kind of pedotheque collector

Technical field

The present invention relates to the soil sample collecting device, specifically a kind of arable layer soil sample of gathering is used for the pedotheque collector that all kinds of conventional pedotheques are analyzed.

Background technology

For agricultural production, the collection soil sample carries out the mensuration of physical and chemical index in good time, helps in time to understand the soil nutrient state, can in time take appropriate measures according to the crop nutrition content situation, effectively ensures the high crop yield stable yields.

At present, mostly the method for soil nutrient status is to adopt the earth boring auger sampling during the grasp plant growth, and earth boring auger is of a great variety, but has long handle mostly.These earth boring augers are easy operating when crop plant is short and small, and when the tall and big collection soil sample of plant, the rotation of handle will influence the growth of plant on every side, and are particularly all the more so during the sampling of dense planting crop.

Summary of the invention

The problem that plant is impacted when solving existing soil collecting device collection soil, the object of the present invention is to provide a kind ofly not have the pedotheque collector of interference to crop around the sampled point, and this collector also can be used for the transplanting of crop seedling.

Present inventor's purpose realizes through following technical scheme:

The present invention includes handle and drill body, said handle comprises the nested steel pipe of two hollows, wherein is equipped with first spring in the outer layer pipe, is provided with perforate at the upper wall of outer layer pipe; One end of inner layer steel pipe can reciprocatingly be nested in the outer layer pipe, and first spring is between the inwall of the end of inner layer steel pipe and outer layer pipe, and the body that is positioned at outer layer pipe at inner layer steel pipe is provided with the locating device that is positioned perforate when drill body is opened; Said drill body is by the identical two parts of structure hinged composition, and these two parts are connected with outer, inner layer steel pipe respectively.

Wherein: said locating device comprises the metal cap and second spring, on a sidewall of inner layer steel pipe, is provided with the metal cap that can move radially, and second spring is arranged between another sidewall of this metal cap and inner layer steel pipe, and second spring is connected to metal cap; Said drill body is become by two semicircle tubular structural group, and an end of two halves cylinder-like structure is hinged through rivet, and the other end is a free end; Said two halves cylinder-like structure is connected with outer, inner layer steel pipe through metal connecting piece respectively; The free end of two semicircle tubular structures of drill body is respectively equipped with cutting edge; The axial edge of two semicircle tubular structures of drill body is respectively equipped with and protrudes in the outer sheet metal of drill body.

Advantage of the present invention and good effect are:

1. it is compact that advantages of small volume of the present invention, handle combine with drill body, and to the not influence of growth of plant on every side, this is higher at crop plant in advantage, particularly evident when planting density is big when collection soil topsoil sample.

2. the present invention also can be used as the plant transplanting in seedling stage, is applicable to the crop that volume is less;

When crop is transplanted, can keep around the crop root original state soil body preferably, less to the crop root disturbance, be beneficial to the fast quick-recovery growth of seedling after the transplanting.

3. be provided with cutting edge in the drill body lower end, be convenient to cut soil.

4. the edge of the two halves cylinder-like structure of drill body is respectively equipped with sheet metal, and it is closed well to guarantee both.

5. the present invention is simple in structure, easy to operate, and economical and practical.

Description of drawings

Fig. 1 is an one-piece construction synoptic diagram of the present invention;

Fig. 2 is the synoptic diagram of drill body open mode of the present invention;

Wherein: 1 is outer layer pipe, and 2 is inner layer steel pipe, and 3 is first spring, and 4 is metal cap, and 5 is second spring, and 6 are perforate, and 7 is metal connecting piece, and 8 is rivet, and 9 is drill body, and 10 is sheet metal, and 11 is cutting edge.

Embodiment

Below in conjunction with accompanying drawing the present invention is made further detailed description.

Like Fig. 1, shown in Figure 2, the present invention includes handle and drill body to be opened/closed 9, said handle comprises the nested steel pipe of two circular hollows, i.e. outer layer pipe 1 and inner layer steel pipe 2; Wherein be equipped with first spring 3 in the outer layer pipe 1, be provided with perforate 6 at the upper wall of outer layer pipe 1.One end of inner layer steel pipe 2 is nested in the outer layer pipe 1, and can move back and forth vertically with respect to outer layer pipe 1, and first spring 3 is between the inwall of the end of inner layer steel pipe 2 nested ends and outer layer pipe 1.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; This locating device comprises the metal cap 4 and second spring 5; On a sidewall (upper side wall among Fig. 1) 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 (lower wall among Fig. 1) of this metal cap 4 and inner layer steel pipe 2, and second spring 5 is connected to metal cap 4, plays the effect of support metal cap 4.Metal cap 4 should guarantee that in the position on inner layer steel pipe 2 sidewalls metal cap 4 is positioned at the left side (position shown in Fig. 1) of perforate 6 on the outer layer pipe 1 when drill body 9 closures.The length that inner layer steel pipe 2 is nested in the outer layer pipe 1 should guarantee that metal cap 4 slips in the perforate 6 of outer layer pipe 1 when drill body 9 is opened; And first spring 3 will be pushed in the end of inner layer steel pipe 2, can inner layer steel pipe 2 be resetted through the elastic force of first spring 3 when making closed drill body 9.Said drill body to be opened/closed 9 is become by two semicircle tubular structural group, and an end of two halves cylinder-like structure stretches out and is semicircle, and two halves cylinder-like structure one end semicircle stacked each other also is hinged through rivet 8, and the other end is a free end; The two halves cylinder-like structure is connected with outer, inner

layer steel pipe

1,2 through metal connecting piece 7 respectively.Metal connecting piece 7 is welding with inside and outside layer steel pipe.Free end at 9 two semicircle tubular structures of drill body is respectively equipped with cutting edge 11.The axial edge of 9 two semicircle tubular structures of drill body is respectively equipped with and protrudes in the outer sheet metal 10 of drill body; Sheet metal 10 is a rectangle; Two edges of each semicircle tubular structure are equipped with sheet metal 10; When two semicircle tubular structures are closed, can limit justified margin, and in the rotary course of adopting soil, keep well closed.

Principle of work of the present invention is:

During the collection soil sample, hold the handle of forming by outer layer pipe 1 and inner layer steel pipe 2, vertical pressing drill body 9 in soil, under the cutting of the sharp cutting edge 11 in drill body 9 lower ends, it is inner that soil gets into drill body; When reaching the sampling depth requirement, collector is extracted, promptly accomplish the collection of pedotheque.After the pedotheque collection is accomplished; Push the two ends of inside and outside

layer steel pipe

2,1; Inside and outside

layer steel pipe

2,1 slides under the effect of external force relatively; First spring 3 is pushed in the end of inner layer steel pipe 2 nested ends, under the effect of second spring, 5 elastic force, slips into the perforate 6 on the outer layer pipe 1 up to the metal cap on the inner layer steel pipe 24, with the relative position qualification of outer layer pipe 1 and inner layer steel pipe 2; And in the process that inside and outside layer steel pipe slides relatively; Because the two halves cylinder-like structure of drill body 9 is affixed with inside and outside layer steel pipe respectively through metal connecting piece 7; Therefore make the two halves cylinder-like structure rotate around rivet 8 respectively; Open to state shown in Figure 2, the drill body 9 inner soil bodys just take out from drill body is inner.After the pedotheques of drill body 9 inside take out, push metal cap 4 downwards, make metal cap 4 break away from perforates 6, first spring 3 that is extruded is through self the left side slip of elastic force promotion inner layer steel pipe 2 in Fig. 2; In the process of sliding, the two halves cylinder-like structure of drill body is more respectively around rivet 8 backward rotation, reverts to original state until the relative position of outer layer pipe 1 and inner layer steel pipe 2, and the two halves cylinder-like structure of drill body also returns to closure state; The relative position of two halves cylinder-like structure can guarantee the closure that both are good through sheet metal 10 restrictions at both edges.After collector resets, can sample by aforesaid operations next time; This process repeats, and can repeatedly sample.

The soil sample that the present invention gathered can be used for important soil geologic parameters such as analytical unit volume soil weight, unit volume soil moisture content or porosity; Utilize collector of the present invention can be used as the collection of plough horizon undisturbed soil sample; Also can be used as the general sample acquisition machine of plough horizon and use, especially suit under the narrow and small situation in spaces such as dense planting long-stalked crops, to use.Collection soil topsoil sample under the situation of sampled point not being done the deposits yields interference on every side, it is rich scarce to make people can in time understand elements in Soil, in time is used for instructing producing, and safeguards the stable high yield of crop.

The present invention also can be used as the plant transplanting in seedling stage, is applicable to the crop that volume is less.When crop is transplanted, can keep around the crop root original state soil body preferably, less to the crop root disturbance, be beneficial to the fast quick-recovery growth of seedling after the transplanting.

The material of outer layer pipe of the present invention, inner layer steel pipe, metal cap, metal connecting piece, drill body, sheet metal and cutting edge is stainless steel.

Claims

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.