CN205138819U

CN205138819U - Soil sampler

Info

Publication number: CN205138819U
Application number: CN201520806074.4U
Authority: CN
Inventors: 胡霞; 廖金花; 黄娇; 尹鹏; 梁梓
Original assignee: Leshan Normal University
Current assignee: Leshan Normal University
Priority date: 2015-10-19
Filing date: 2015-10-19
Publication date: 2016-04-06
Anticipated expiration: 2025-10-19

Abstract

The utility model discloses a soil sampler, it is mainly by the sampling pipe, push away the mud piston and join in marriage the sample tube head component of adorning in the sampling pipe bottom, the sample tube head is back taper tube hole necking down mouth stopping structure, it can fetch earth under the smooth prerequisite of duct flow ensureing the sampling, can effectively stop the loam core to withdraw from the lumen again when taking out tub, it intactly carrys over loam core earth appearance out of to enable the sampling pipe, it can convenient ground come out loam core earth appearance propelling movement to join in marriage the mud piston of adorning in the sampling pipe that pushes away, general detailed soil survey can provide complete loam core earth appearance in succession for detecting. The utility model has the advantages of the structure is simple and direct, production low in manufacturing cost, sampling convenient operation, laborsavingly save time, the success rate of once only sampling height, gather then complete salient of high quality of earth control gauge, detecting and obtain soil information, improve precision agriculture level of control to the accuracy has obvious technological effect, has splendid application prospect in soil detects the sampling operation.

Description

Soil sampler

Technical field

The utility model relates to the mechanical hook-up gathering pedotheque, belong to the technical field that agriculture soil detects sampling training equipment, specifically a kind of soil sampler, it is specially adapted to carry out degree of depth sampling operation to arable land layer soil, to accurately detection obtains arable soil information, the raising agriculture soil management science level of IT application has obviously technique effect.

Background technology

With regard to the fundamental realities of the country of China, China is one, and vast territory and abundant resources, have the large agricultural country that several hundred million peasant is engaged in agro-farming production.Agricultural production is the infrastructural industries of maintaining state's Ji people's livelihood, and scientific development agricultural economy sustainably has very important supporting role to guarantee people goods and materials supply and raising Chinese national economy development level.The key of carrying out planning of science activities Development of Precision Agriculture will be carried out agriculture soil generaI investigation testing exactly, accurately grasp arable soil information.And " soil sampling " technique device and method are exactly obtain the important key link of of field topsoil information, in agriculture soil generaI investigation testing, uniform stationing collection is not only wanted to plough surperficial soil sample, also will carry out depth-sampling according to topsoil thickness, the pedotheque detecting topsoil different depth could grasp soil internal information all-sidedly and accurately.That is to say, " depth-sampling " obtains the technical method of one of the inner soil information of arable layer practicability and effectiveness the most just.Up to now, carrying out generally using in depth of soil sampling operation a kind of straight pipe type soil sampler being, its basic structure is linear pattern sampling body, when carrying out depth-sampling operation, operating personnel, first according to technical requirements such as soil types, topsoil thickness and varieties of plant distribution characters, select sampled point on the ground; Again selected sampling point position aimed in sampling pipe bottom and vertically firmly insert in arable soil, insertion depth must be determined according to topsoil Thickness sensitivity working specification, insert gradually in the process of soil at body, the soil of arable layer can be made to enter sampling pipe layer by layer successively and be stored in tube chamber; Firmly hold handle heavily fortified point again and directly upwards extract sampling pipe out, and then constantly knock body and shake out intraluminal loam core and be arable land depth profiled pedotheque, so far, namely complete operation arable soil being carried out to depth-sampling.Although this " straight pipe type soil sampler " detects ripe in sampling operation use for many years at agriculture soil, but, we are also without the need to dareing not or would not speak up, existing " straight pipe type soil sampler " also exists in actual use, and " disposable to be sampled into power lower, gather earth sample continued integrity poor " etc. technical pattern defect, it shows as: 1. because body is straight tube structure, not easily intactly loam core is taken out of when soil backbone directly upwards extracts sampling pipe out, usually occur that " sky is adopted " phenomenon be still stranded in autochthonous soil is exited in loam core in tube chamber, generally all will carry out repeatedly repetitive operation just can take loam core out of in actual use, sampling operation is caused not only to be taken a lot of work but also time-consuming, 2. core mode of operation that what existing employing " was knocked body and shaked out loam core " get is also scientific and reasonable not to the utmost, not only can damage body and produce distortion when knocking, and also easily destroys the original form in loam core and affects the continued integrity gathering earth sample.This just existing " straight pipe type soil sampler " also require further improvement and perfect place, this be also existing soil sampling equipment development & production industry wish for a long time always solve a technical problem.

Utility model content

The soil sampler that the purpose of this utility model is intended to overcome prior art above shortcomings part and proposes a kind of brand new, its can gather topsoil sample continuous wholely, have structure simple and direct, produce that easy low cost of manufacture, field are easy to carry, sampling operation light and fast, to sample successful qualification rate high and gather the good advantage of pedotheque integrality.

The purpose of this utility model is achieved by the following technical solution:

A kind of soil sampler that the utility model proposes, it comprises sampling pipe and is fitted to the sampling tube head of sampling pipe bottom, and it is characterized in that: described sampling tube head is back taper hole structure, the interior cone angle of back taper pore is 5 °-12 °.Its significant design feature is: adopt the fixing equipped sampling tube head of detachable thread connecting mode in sampling pipe bottom, taper angle shape in back taper pore is set in sampling tube head and becomes " necking down mouth " backing stop structure, when directly upwards extracting sampling pipe out from soil backbone, " the necking down mouth " of sampling tube head bottom can stop collection to be stored in intraluminal loam core to exit sampling pipe, guarantee that sampling pipe intactly can take gathered soil loam core sample out of effectively.Shows through on probation: its " disposable be sampled into power " can up to more than 95%, have easy to operate, laborsavingly to save time, be sampled into power high, gather the measured advantage of topsoil earth sample matter.

For realizing goal of the invention of the present utility model better, furthermore it also has following technical characteristic:

The interior cone angle of the back taper pore of sampling tube head is 8 °.Show through repeatedly repeatedly on probation: when manufacturing in actual production, by cone angle optimal control in back taper pore be 8 ° and can form optimized " necking down mouth " stopping function structure, this structural design can be guaranteed to sample tube head and successively fetch earth successively in the process inserting topsoil and smooth form continuous whole loam core, can have splendid necking down stopping function when extracting sampling pipe out again, it has obvious technique effect to the disposable power that is sampled into of stable raising.

Be fitted with in the tube chamber of sampling pipe and push away mud piston, push away mud piston and be provided with balancing air holes.Operating personnel extract out after sampling pipe takes loam core out of from soil, pull down sampling tube head again, hold handle downward pushing piston bar collection can be stored in the intraluminal loam core of sampling pipe push out easily by pushing away mud piston, obtain the continuous whole earth sample loam core of arable layer depth section for agriculture soil generaI investigation detection.Be in " equipressure " stress to make to push away mud piston pushing away object mud piston being arranged balancing air holes, this structural design can make the operation of inserting soil sampling and getting core more light and fast, laborsavingly to save time, there is good result of use.Also it should be noted that: piston rod can be retracted completely and is positioned in the tube chamber of sampling pipe, it is convenient to deposit certainly especially and operation task is carried in field.

The tube wall of sampling pipe is provided with one group of sampling viewport, and on sampling pipe pipe face, the position of corresponding one group of sampling viewport is marked with sampling depth chi.This structural design is convenient to especially observe grasp and inserts arable layer and gather the degree of depth of pedotheque, to instructing operating personnel's site work, completes Sampling techniques index and has good result of use.

The utility model compared with the existing technology comparatively has the progress of following substantive distinguishing features:

The utility model has initiated a kind of soil sampler can to gathered loam core when taking out pipe with stopping function, it is the equipped sampling tube head with " necking down mouth " backing stop structure in sampling pipe bottom, can guarantee when inserting soil that sampling is fetched earth and smooth form loam core, can loam core be effectively stoped to exit tube chamber when taking out pipe again, sampling pipe is enable intactly to take topsoil soils loam core sample out of, show through on probation: its disposable power that is sampled into can reach more than 95%, simultaneously, also be fitted with in tube chamber and push away mud piston, it can be stored in intraluminal loam core push out reposefully by adopting easily, for agriculture soil generaI investigation Soil K+adsorption provides complete topsoil earth sample loam core, to Obtaining Accurate arable soil information, improve precision agriculture scientific information management level and there is obvious technique effect, detect in sampling operation in the generaI investigation of agriculture soil and have good popularizing application prospect.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model, and also make an abstract accompanying drawing.

Fig. 2 is the left view (locally) of Fig. 1, shows that sampling pipe arranges the structural representation of one group of sampling viewport and delineation sampling depth chi.

Description of symbols in accompanying drawing:

1 is pressure handle, and 2 is sampling pipe, and 3 is sampling viewport, and 4 is balancing air holes, and 5 is back taper pore, and 6 is sampling tube head, and 7 is helicitic texture, and 8 is tube chamber, and 9 for pushing away mud piston, and 10 is piston rod, and 11 is pipe lid, and 12 is handle, and 13 is sampling depth chi.

Embodiment

Below in conjunction with accompanying drawing, embodiment of the present utility model is described:

A kind of soil sampler that the utility model proposes, it is primarily of sampling pipe 2, sampling tube head 6 and be fitted to and push away mud piston 9 in sampling pipe 2, piston rod 10 is formed, be provided with balancing air holes 4 pushing away on mud piston 9, symmetrical installation a pair pressure handle 1 on sampling pipe 2, pipe lid 11 is equipped with in the upper end of sampling pipe 2, the tube wall of sampling pipe 2 arranges one group and samples viewport 3 and the position marking sampling depth chi 13 sampling viewport 3 at corresponding a group, described sampling tube head 6 adopts dismountable helicitic texture 7 to be fixedly connected with to be installed on sampling pipe 2 bottom, sampling tube head 6 is set to back taper pore 5 structure, when actual production manufactures, cone angle in back taper pore 5 is controlled to be 8 °, " necking down mouth " structure with best stopping function can be formed, it can fetch earth under smooth prerequisite guaranteeing to sample, the stopping function stopping that loam core is exited in tube chamber 8 can be had again when taking out pipe.It carries out depth of soil sampling operation as follows: operating personnel are first according to technical requirements such as soil types, topsoil thickness and varieties of plant distribution characters, and selected sampling point position on ground, arable land to be detected also determines sampling depth; Sampled point is aimed in the bottom of sampling tube head 6, hold pressure handle 1 to impose downward acting force sampling pipe 2 is vertically slowly inserted in arable soil, inserting gradually in the process of soil at sampling pipe 2 to make topsoil enter sampling pipe 2 and form loam core from sampling tube head 6 and be stored in tube chamber 8 layer by layer successively, and one group of sampling viewport 3 that operating personnel can be arranged from sampling pipe 2 and sampling depth chi 13 observe insertion depth intuitively till reaching by the determined sampling depth of Soil K+adsorption technical requirement; And then firmly hold the hard straight sampling pipe 2 of upwards extracting out of handle 1 and intactly can take loam core out of, it should be noted that, upwards taking out in pipe process, just because of back taper pore 5 " necking down mouth " structure arranged in sampling tube head 6 bottom, could effectively stop the collection loam core be stored in tube chamber 8 to exit sampling pipe 2, it is to guaranteeing that sampling pipe 2 intactly can be taken gathered plowland deep soil loam core sample out of and have obvious technique effect.After operating personnel extract the sampling pipe 2 having loam core out from soil, i.e. detachable lower sampling tube head 6, keep flat sampling pipe 2, gently pass handle 12 again and push away mud piston 9 by piston rod 10 drive and move to bottom, reposefully soil loam core is pushed out by pushing away mud piston 9 again, so far, the loam core earth sample supply agriculture soil generaI investigation that can obtain tilling depth section continuous whole detects use.Show through the on probation of long term: the once success rate adopting the soil sampler that the utility model proposes to carry out degree of depth sampling can reach more than 95% and the loam core earth sample of collection can be made to keep the original time of day of continuous regular, it all has obviously technique effect to accurately detection, complete acquisition arable soil inner deep information and then raising precision agriculture information system management level.

Claims

1. a soil sampler, it comprises sampling pipe (2) and is fitted to the sampling tube head (6) of sampling pipe (2) bottom, it is characterized in that: described sampling tube head (6) is back taper pore (5) structure, the interior cone angle (α) of back taper pore (5) is 5 °-12 °; Be fitted with in the tube chamber (8) of sampling pipe (2) and push away mud piston (9), push away mud piston (9) and be provided with balancing air holes (4).

2. soil sampler according to claim 1, is characterized in that: the interior cone angle (α) of the back taper pore (5) of sampling tube head (6) is 8 °.

3. soil sampler according to claim 1 and 2, it is characterized in that: on the tube wall of sampling pipe (2), be provided with one group of sampling viewport (3), on sampling pipe (2) pipe face, the position of corresponding one group of sampling viewport (3) is marked with sampling depth chi (13).