CN107589033A - A kind of soil sample collector and its soil basketing method for gathering the measure section soil weight - Google Patents
A kind of soil sample collector and its soil basketing method for gathering the measure section soil weight Download PDFInfo
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- CN107589033A CN107589033A CN201710991878.XA CN201710991878A CN107589033A CN 107589033 A CN107589033 A CN 107589033A CN 201710991878 A CN201710991878 A CN 201710991878A CN 107589033 A CN107589033 A CN 107589033A
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- 239000002689 soil Substances 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005070 sampling Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 4
- 241000196324 Embryophyta Species 0.000 claims description 3
- 238000005527 soil sampling Methods 0.000 claims description 3
- 238000010561 standard procedure Methods 0.000 claims description 3
- 230000003116 impacting effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000004856 soil analysis Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 24
- 238000004458 analytical method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The present invention relates to soil collection field, more particularly to a kind of soil sample collector and its soil basketing method for gathering the measure section soil weight, including stressing device, harvester, locking device and force application apparatus, stressing device is detachably arranged in the top of harvester, locking device is set on harvester, stressing device is included away from the force column set at the top of harvester, harvester includes collector and the part that fetches earth, open downward accommodating chamber is provided with collector, collector is provided with openable side cover, the madial wall of collector is provided with some inserting grooves, force application apparatus includes bang part.The present invention's can gather many levels soil analysis sample on section, simultaneously can also single-time measurement many levels soil unit weight, solves the problem of method that current collection determines each layer soil weight on section is time-consuming big with excavation section occupation of land, serious to destruction of surface.
Description
Technical field
The present invention relates to soil collection field, more particularly to a kind of soil sample collector for gathering the measure section soil weight
And its soil basketing method.
Background technology
Soil sample is the important step of soil investigation, can be divided into the sampling of section sample sampling and analysing sample.Section sample samples
It can be divided into and take canonical profile and delimit section, canonical profile is the dell of the certain length and width high standard of hand digging, is observed and recorded
Profile features, original state section sample is taken with section sampling box, or be contained in by profile features Stratified Sampling in section box, while also may be used
Take other be used for analyze sample；Delimit section, can hand digging simple section hole observation analysis, earth boring auger can also be used to be layered
Fetch earth in earth's surface, be spliced into soil profile and carry out observation analysis again, to determine the change of soil types.Sample sampling is analyzed, mainly
, can be according to demand using two kinds of sides of sampling or earth boring auger sampling of digging pit for gathering the pedotheque for analysis of physical and chemical property
Method.But the soil sample method analyzed in Analysis On Physical And Chemical Property the soil weight and other sampling methods are completely not
Together.The measure of the soil weight needs to be analyzed with the undisturbed soil of normal volume, and in the past in research, many is related to unit weight and participates in meter
During calculation, through being replaced frequently with top layer unit weight, because Volume-weight Determination sampling in top layer is convenient.If necessary to determine each layer on soil profile
The unit weight of secondary soil, then need to excavate soil profile, then obtain the soil cutting ring sample of each layer, then take back laboratory and held
It is fixed to resurvey.This method is time-consuming, and floor space is also big when referring to excavation section, big to destruction of surface.
Also there is the sale of section cutting ring sampler in the market, the sampler is that cutting ring is caught in probe tube, then will be adopted
Sample device is pressed into soil downward vertically, after reaching requirement, then extracts sampler, will fill the taking-up of undisturbed ground cutting ring, and then obtain
To cutting ring sample, then carry out Volume-weight Determination.This solves excavation section to take up an area the problem of big also time-consuming, but still
A sample can only be taken each time, if to take section cutting ring sample in section higher slice, need to take repeatedly, it is still cumbersome.
Therefore, a kind of method that multiple pedotheque measure soil weight can be disposably taken on section is designed, there is important answer
With value.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to a kind of soil sample collector is provided and entered using the sampler
The disposable method that many levels soil weight is measured by sampling of row.
To solve the above problems, the present invention provides following technical scheme：
A kind of soil sample collector for gathering the measure section soil weight, including stressing device, harvester, locking device
And force application apparatus, the stressing device are detachably arranged in the top of harvester, the locking device is set in collection dress
Put, the stressing device is included away from the force column set at the top of harvester, and the harvester includes collector and can
The part that fetches earth in collector hypomere is removed and installed, open downward accommodating chamber is provided with the collector, the collector is set
There is openable side cover, the madial wall of the collector is provided with the inserting groove of some equidistantly distributeds from top to bottom, described to apply
Power apparatus includes being used for the bang part for impacting force column.
Further, the collector is tubular type structure, and the internal diameter of the collector is gradual upwards from the part that fetches earth
Increase, the outer circle wall of the collector are provided with graduation mark, and the side cover vertically divides half-and-half collector part, the side cover and
Collector closes the space for being used to accommodate collection soil for forming open at its lower end completely, and the side of the side cover is hinged on collector
On side, the other end and collector clamping, the hypomere screw thread cooperation of fetch earth part and the collector.
Further, the center at the top of the collector is provided with connecting pole, and the connecting pole is coaxially set with collector
Put, the stressing device also includes extending component and force component, and the extension component is vertically arranged and the company of being removably mounted at
The epimere of post is connect, the force column, which is detachably arranged in, to be extended on component, and the force modular connector is extending the upper of component
Half part is arranged on connecting pole for that will extend component.
Further, the extension component is extension rod, and the extension component is multigroup, can be connected with each other use.It is described
The hypomere of extension rod is threadedly coupled with connecting pole, and the hypomere of the force column is threadedly coupled with the epimere of extension rod, the force
Component is cylindrical force application rod, and the top half of the extension rod is fixedly connected with force application rod.
Further, the side cover is provided with integrally formed fastening plate, the collection corresponding to the clamped position of collector
The position that device corresponds to fastening plate is provided with integrally formed latch, and the latch is equidistantly set from top to bottom provided with some
The locking member put, the position that each locking member is corresponded on the latch are equipped with the mounting groove of its installation of a confession,
Axis of the extended line of each mounting groove axis with collector is crossed, and each locking member is corresponded on the fastening plate
Position be equipped with the buckling groove of confession its clamping.
Further, each locking member includes spring and clip-connecting rod, and one end of each spring is fixed
Installed in the bottom of correspondence position mounting groove, the other end stretches out along the axis of mounting groove, the bottom of each clip-connecting rod
Portion is fixedly mounted on the upper end of spring, and the position that each clip-connecting rod both corresponds to a buckling groove is set.
Further, it is described to fetch earth part to cut native cutting ring, it is described to cut in native cutting ring internal diameter and collector accommodating chamber lower end
Footpath is consistent.The epimere for cutting native cutting ring is threadedly coupled with the hypomere of collector, and described to cut native cutting ring be inscribe soil structure, described
The outer circle wall for cutting native cutting ring is provided with two symmetrically arranged through holes.
Further, the locking device includes having female shackle, the shackle and collector
Outer circle wall screw thread coordinates, and the bang part is attached most importance to hammer, the outer circle wall of the shackle be provided with can exert a force it is logical
Hole, the through hole run through the circumferential wall of shackle.
The method to be fetched earth using above-mentioned soil sample collector mainly includes following job step：
(1), in the region that samples of needs, required according to sampling depth, assemble collector, during assembling, first taken lower end
Sample part assembles, i.e., gets togather folding part side cover, and top shackle rotates down to tightly, cuts native cutting ring and is attached to lower end,
Then force column is connected extension rod, extension rod lower end connection collector, collector is that assembling finishes to tight by same rotation；
(2) after, having assembled, in the position for needing soil sampling, the deadwood that surface is scalped with small mamoty falls and weeds etc.；Will collection
Device is inserted perpendicularly into soil, using bang hammer into shape it is vertical tap force column, the lower end parts cutting that fetches earth is entered soil, and according to adopting
Scale on storage determines that the lower end parts cutting that fetches earth reaches the depth disposably to fetch earth into soil, then gently by a small margin
Collector is rocked, collector outer wall is separated with soil, finally lifts collector vertically upward again, collector is pulled away into ground；
After pulling away ground, the soil that the collector outer surface for taking pedotheque is adhered to is removed totally, and is kept flat on the ground to protect
After demonstrate,proving collector opening, soil is entirely accommodated in collector, and native cutting ring will first be cut by, which being needed before collector opening, screws off, and will be upper
Portion's shackle is decontroled, and then opens collector side cover, and undisturbed soil is lain in collector in the form of section；
(3) after, the side cover of collector is opened, stainless steel cut piece is sequentially inserted into along design neck on demand, cuing open
Face soil is fully cut into some sections, and each section of undisturbed soil volume is 100cm3(volume can be set as needed), and remember
Record the soil layer position that each section of undisturbed soil represents；Then each section of undisturbed soil cut out is taken out completely successively, and
Weighed on portable electronic balance, and record the mass M 1 of every section of undisturbed soil, then take every section of undisturbed soil sub-fraction by measure
The standard method of water content, its water content is determined, obtain water content COEFFICIENT K；Calculate above-mentioned each section of 100cm3The dry ground of undisturbed soil
Weight M (M=M1/ (1+K)), further obtain unit weight P (P=M/100) g/cm of this section of soil3。
Beneficial effect：A kind of soil sample collector and its soil basketing method for gathering the measure section soil weight of the present invention,
By the setting of multiple slots on collector, after soil extraction in by collector, the grafting stainless steel on demand in slot
Section, it becomes possible to the soil in collector is subjected to Slice by slice cutting, so as to which many levels soil point on section can not only be gathered
Analyse sample, while can also single-time measurement many levels soil unit weight.Solves each layer soil on collection measure section at present
The method of earth unit weight it is time-consuming and excavate section take up an area it is big, it is serious to destruction of surface the problem of.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is along the sectional view of line A-A in Fig. 2；
Fig. 4 is the front view of the present invention；
Fig. 5 is along the sectional view of line B-B in Fig. 4；
Fig. 6 is the assembling structure schematic diagram of the present invention；
Fig. 7 is the assembling structure schematic diagram one of collector of the present invention；
Fig. 8 is the assembling structure schematic diagram two of collector of the present invention；
Fig. 9 is the enlarged drawing at C in Fig. 7；
Description of reference numerals：Stressing device 1, force column 1a, harvester 2, collector 2a, fetch earth part 2b, cuts native ring
Knife 2b1, inserting groove 2c, side cover 2d, connecting pole 2e, fastening plate 2f, buckling groove 2f1, latch 2g, mounting groove 2g1, locking member
2h, spring 2h1, clip-connecting rod 2h2, locking device 3, shackle 3a, extend component 4, extension rod 4a, exert a force component 5, force application rod
5a。
Embodiment
With reference to Figure of description and embodiment, the specific embodiment of the present invention is described in further detail：
Referring to figs. 1 to a kind of soil sample collector for gathering the measure section soil weight shown in Fig. 8, including stressing device
1st, harvester 2, locking device 3 and force application apparatus, the stressing device 1 are detachably arranged in the top of harvester 2, institute
State locking device 3 to be set on harvester 2, the stressing device 1 includes the force column set away from the top of harvester 2
1a, the harvester 2 include collector 2a and are removably mounted at the part 2b that fetches earth of collector 2a hypomeres, the collector
Open downward accommodating chamber is provided with 2a, the collector 2a is provided with openable side cover 2d, the madial wall of the collector 2a
The inserting groove 2c of some equidistantly distributeds from top to bottom is provided with, the force application apparatus includes being used to impact force column 1a
Bang part, fitted together by stressing device 1, harvester 2 and locking device 3, so as to realize to specify area
The soil in domain carries out the measure of section sampling and the section soil weight.
The collector 2a is tubular type structure, and the internal diameter of the collector 2a gradually increases upwards from the part 2b that fetches earth
Greatly, the upper internal diameter of collector bore and it is lower it is interior through its difference no more than 1.5mm, cut native cutting ring 2b1 when undisturbed soil and be cut into
After entering collector 2a, rubbing action of the inside pipe wall to soil can be effectively reduced, further reduces squeezing to the undisturbed soil that takes
Pressure acts on, and causes undisturbed soil to deform.The outer circle wall of the collector 2a is provided with graduation mark.The side cover (2d) is vertical half-and-half
Divide collector (2a) part.Open at its lower end is formed after the side cover 2d and collector 2a closures completely is used to accommodate collection soil
Space, the side of the side cover 2d is hinged on collector 2a sides, the other end and collector 2a clampings, the part that fetches earth
2b and collector 2a hypomere screw thread coordinate, and a length of stainless steel circles of collector 2a about 50cm fetch earth pipe, collector 2a upper ends two
Passage is left in side, and top is outer silk interface, and collector 2a fetches earth part, and the outer wall of pipe engraves the scale that mark represents depth,
Collector 2a fetches earth part, and the inwall of pipe is corresponding with outer wall scale, according to pipe inner volume per 100cm3Design neck.
Center at the top of the collector 2a is coaxially set provided with connecting pole 2e, the connecting pole 2e and collector 2a
Put, the stressing device 1 also includes extending component 4 and force component 5, and the extension component 4 is vertically arranged and detachably installed
In connecting pole 2e epimere, the force column 1a, which is detachably arranged in, to be extended on component 4, and the force component 5, which is plugged on, to be prolonged
The top half of long component 4 is arranged on connecting pole 2e for that will extend component 4, stressing device 1, elongate member and connecting pole
It is connected through a screw thread between 2e so that whole collector 2a is convenient for carrying, and be disclosure satisfy that and is carried out sampling operation in any region.
The extension component 4 is extension rod 4a, and the extension component (4) is multigroup, can be connected with each other use.The extension
Bar 4a hypomere is threadedly coupled with connecting pole 2e, and the hypomere of the force column 1a is threadedly coupled with extension rod 4a epimere, described
Exerted a force force application rod 5a of the component 5 for cylinder, and the top half of the extension rod 4a is fixedly connected with force application rod 5a, extension rod 4a
Grown for 50cm, bar one end is internal thread, and the other end is outer silk；Extension rod 4a, force application rod 5a and collector 2a, the place of interconnection
Symmetrical plane is both designed as, force application rod 5a power-assisteds when being dismantled with ease of assembly.
The side cover 2d is provided with integrally formed fastening plate 2f, the collector 2a corresponding to collector 2a clamped position
Integrally formed latch 2g is provided with corresponding to fastening plate 2f position, the latch 2g is provided between some grades from top to bottom
Position on locking member 2h, the latch 2g away from setting corresponding to each locking member 2h is equipped with a confession, and it is installed
Mounting groove 2g1, the axis of the extended lines of each mounting groove 2g1 axis with collector 2a crosses, the fastening plate 2f
The upper position corresponding to each locking member 2h is equipped with the buckling groove 2f1 of confession its clamping, collector 2a bottom 43cm length
Part vertically is symmetrically cut to two halves, and side is connected with hinge, can free-open-close, opposite side is staggeredly bayonet socket, altogether when can
Closure is tight.
Each locking member 2h includes spring 2h1 and clip-connecting rod 2h2, and each spring 2h1 one end is solid
Dingan County is mounted in correspondence position mounting groove 2g1 bottom, and axis of the other end along mounting groove 2g1 stretches out, each card
The bottom for meeting post 2h2 is fixedly mounted on spring 2h1 upper end, and each clip-connecting rod 2h2 both corresponds to a buckling groove 2f1
Position set, when need open side cover 2d when, side cover 2d is pulled open into clip-connecting rod 2h2 under force can be with buckling groove 2f1
Separate so as to realize side cover 2d opening；When needing to close side cover 2d, by the buckling groove 2f1 card access cards on side cover 2d
Connect on post 2h2, clip-connecting rod 2h2 can be caused to contradict in buckling groove 2f1 under spring 2h1 support.
It is described to fetch earth part 2b to cut native cutting ring 2b1, it is described to cut native cutting ring 2b1 internal diameters and collector accommodating chamber bottom diameter
Unanimously.The epimere for cutting native cutting ring 2b1 is threadedly coupled with collector 2a hypomere, described to cut native cutting ring 2b1 as inscribe soil knot
Structure, will not be by the soil from periphery into the soil in collector 2a so as to when collector 2a cuts soil downwards
Extruding, guarantee to obtain undisturbed soil.The outer circle wall for cutting native cutting ring 2b1 is provided with two symmetrically arranged through holes, with
Power-assisted dismounting is facilitated to cut native cutting ring.
The locking device 3 includes having the outer of female shackle 3a, the shackle 3a and collector 2a
Circumferential wall screw thread coordinates, and the bang part is attached most importance to hammer, the outer circle wall of the shackle 3a be provided with can exert a force it is logical
Hole, the through hole run through shackle 3a circumferential wall, and shackle 3a setting is met under the working condition to fetch earth, will
Side cover 2d and collector 2a are locked together, and then realize the requirement for the operation that carries out fetching earth in specified region.
The method to be fetched earth using above-mentioned soil sample collector mainly includes following job step：
(1), in the region that samples of needs, required according to sampling depth, assemble collector 2a, during assembling, first by lower end
Sampling part is assembled, i.e., gets togather folding part side cover, and top shackle 3a is rotated down to tightly, cuts native cutting ring 2b1 dresses
To lower end, then force column 1a connections extension rod 4a, extension rod 4a lower ends are connected collector 2a, gathered to tight by same rotation
Device 2a is that assembling finishes；
(2) after, having assembled, in the position for needing soil sampling, the deadwood that surface is scalped with small mamoty falls and weeds etc.；Will collection
Device 2a is inserted perpendicularly into soil, using bang hammer into shape it is vertical tap force column 1a, the lower end part 2b that fetches earth is cut into soil, and
Determine that the lower end part 2b that fetches earth is cut into soil and reaches the depth disposably to fetch earth according to the scale on collector 2a, then
Collector 2a is gently rocked by a small margin, collector 2a outer walls is separated with soil, finally lifts collector 2a vertically upward again, will
Collector (2a) pulls away ground；After pulling away ground, the soil removing that the collector 2a outer surfaces for taking pedotheque are adhered to is dry
Only, and keep flat on the ground with ensure collector 2a open after, soil is entirely accommodated in collector 2a, collector 2a open before
Native cutting ring 2b1 will first be cut by, which needing, is screwed off, and top shackle 3a is decontroled, and then opens collector 2a side cover 2d, undisturbed soil
Lain in the form of section in collector 2a；
(3) after, collector 2a side cover 2d is opened, stainless steel cut piece is sequentially inserted into along design neck on demand,
Section soil is fully cut into some sections, each section of undisturbed soil volume is 100cm3, and record good each section of undisturbed soil
The soil thickness of representative；Then each section of undisturbed soil cut out is taken out completely successively, and on portable electronic balance
Weigh, and record the mass M 1 of every section of undisturbed soil, then take standard method of the every section of undisturbed soil sub-fraction by measure water content,
Its water content is determined, obtains water content COEFFICIENT K；Calculate above-mentioned each section of 100cm3The dry ground weight M (M=M1/ (1+K)) of undisturbed soil,
Further obtain unit weight P (P=M/100) g/cm of this section of soil3。
The above described is only a preferred embodiment of the present invention, any limit not is made to the technical scope of the present invention
System, therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (9)
- A kind of 1. soil sample collector for gathering the measure section soil weight, it is characterised in that：Including stressing device (1), collection Device (2), locking device (3) and force application apparatus, the stressing device (1) are detachably arranged in the top of harvester (2), The locking device (3) is set on harvester (2), and the stressing device (1) is included away from setting at the top of harvester (2) Force column (1a), the harvester (2) includes collector (2a) and is removably mounted at fetching earth for collector (2a) hypomere Part (2b), the collector (2a) is interior to be provided with open downward accommodating chamber, and the collector (2a) is provided with openable side cover (2d), the madial wall of the collector (2a) are provided with the inserting groove (2c) of some equidistantly distributeds from top to bottom, the force Device includes being used for the bang part for impacting force column (1a).
- A kind of 2. soil sample collector for gathering the measure section soil weight according to claim 1, it is characterised in that：Institute It is tubular type structure to state collector (2a), and the internal diameter of the collector (2a) gradually increases upwards from part (2b) place that fetches earth, institute The outer circle wall for stating collector (2a) is provided with graduation mark, and the side cover (2d) vertically divides half-and-half collector (2a) part.It is described Side cover (2d) and the space for being used to accommodate collection soil that open at its lower end is formed after collector (2a) completely closure, the side cover The side of (2d) is hinged on collector (2a) side, and the other end and collector (2a) clamping, the part that fetches earth (2b) is with adopting The hypomere screw thread of storage (2a) coordinates.
- A kind of 3. soil sample collector for gathering the measure section soil weight according to claim 2, it is characterised in that：Institute To state the center at the top of collector (2a) and be provided with connecting pole (2e), the connecting pole (2e) is coaxially disposed with collector (2a), The stressing device (1) also includes extending component (4) and force component (5), and the component (4) that extends is vertically arranged and detachably Installed in connecting pole (2e) epimere, the force column (1a), which is detachably arranged in, to extend on component (4), the force component (5) top half for extending component (4) is plugged on to be arranged on connecting pole (2e) for component (4) will be extended.
- A kind of 4. soil sample collector for gathering the measure section soil weight according to claim 3, it is characterised in that：Institute It is extension rod (4a) to state extension component (4), and the extension component (4) is multigroup, can be connected with each other use, increases sampling depth. The hypomere of the extension rod (4a) is threadedly coupled with connecting pole (2e), and the hypomere of the force column (1a) is upper with extension rod (4a) Section threaded connection, the force application rod (5a) of the component (5) for cylinder that exert a force, the top half and force of the extension rod (4a) Bar (5a) is fixedly connected.
- A kind of 5. soil sample collector for gathering the measure section soil weight according to claim 4, it is characterised in that：Institute The clamped position that side cover (2d) is stated corresponding to collector (2a) is provided with integrally formed fastening plate (2f), and the collector (2a) is right In the position of fastening plate (2f) integrally formed latch (2g) should be provided with, the latch (2g) be provided with it is some from top to bottom The locking member (2h) of spaced set, the position that each locking member (2h) is corresponded on the latch (2g) are equipped with one The individual mounting groove (2g1) for its installation, each axis friendship of the extended line of mounting groove (2g1) axis with collector (2a) Converge, the position that each locking member (2h) is corresponded on the fastening plate (2f) is equipped with the buckling groove of confession its clamping (2f1)。
- A kind of 6. soil sample collector for gathering the measure section soil weight according to claim 5, it is characterised in that：Often The individual locking member (2h) includes spring (2h1) and clip-connecting rod (2h2), and one end of each spring (2h1) is fixed Installed in mounting groove (2g1) bottom of correspondence position, axis of the other end along mounting groove (2g1) stretches out, each described The bottom of clip-connecting rod (2h2) is fixedly mounted on spring (2h1) upper end, and each clip-connecting rod (2h2) both corresponds to one The position of buckling groove (2f1) is set.
- A kind of 7. soil sample collector for gathering the measure section soil weight according to claim 3, it is characterised in that：Institute The part that fetches earth (2b) is stated to cut native cutting ring (2b1), it is described to cut native cutting ring (2b1) internal diameter and collector accommodating chamber bottom diameter one Cause.The epimere for cutting native cutting ring (2b1) is threadedly coupled with the hypomere of collector (2a), and the native cutting ring (2b1) of cutting is inscribe Soil structure, the outer circle wall for cutting native cutting ring (2b1) are provided with two symmetrically arranged through holes.
- A kind of 8. soil sample collector for gathering the measure section soil weight according to claim 3, it is characterised in that：Institute Stating locking device (3) includes having female shackle (3a), and the shackle (3a) is cylindrical with collector (2a) Perisporium screw thread coordinates, and the bang part is attached most importance to hammer, the outer circle wall of the shackle (3a) be provided with can exert a force it is logical Hole, the through hole run through the circumferential wall of shackle (3a).
- 9. utilize a kind of side of fetching earth of soil sample collector for gathering the measure section soil weight described in the claims 8 Method, it is characterised in that this method mainly includes following job step：(1), in the region that samples of needs, required according to sampling depth, assembling collector (2a), during assembling, first taken lower end Sample part assembles, i.e., gets togather folding part side cover (2d), and top shackle (3a) rotation cuts native cutting ring (2b1) to tight Lower end is attached to, force column (1a) is then connected extension rod (4a), extension rod (4a) lower end connection collector to tight by same rotation (2a), collector (2a) are that assembling finishes；(2) after, having assembled, in the position for needing soil sampling, the deadwood that surface is scalped with small mamoty falls and weeds etc.；By collector (2a) is inserted perpendicularly into soil, using bang hammer into shape it is vertical tap force column (1a), the lower end part (2b) that fetches earth is cut into and is buried Earth, and determine that the lower end part (2b) that fetches earth is cut into soil and reaches what is disposably fetched earth according to the scale on collector (2a) Depth, collector (2a) is then gently rocked by a small margin, collector (2a) outer wall is separated with soil, finally carry vertically upward again Collector (2a) is played, collector (2a) is pulled away into ground；After pulling away ground, collector (2a) outer surface of pedotheque will be taken The soil of attachment remove it is clean, and keep flat on the ground to ensure that collector (2a) is opened after, soil is entirely accommodated in collector In (2a), native cutting ring (2b1) will first be cut by, which being needed before collector (2a) opening, is screwed off, and top shackle (3a) is decontroled, and Collector (2a) side cover (2d) is opened afterwards, and undisturbed soil is lain in the form of section in collector (2a)；(3) after, the side cover (2d) of collector (2a) is opened, stainless steel cut piece is sequentially inserted into along design neck on demand, Section soil is fully cut into some sections, each section of undisturbed soil volume is 100cm3(volume can be set as needed), And record the soil layer position that good each section of undisturbed soil represents；Then each section of undisturbed soil cut out is taken out completely successively, And weighed on portable electronic balance, record the mass M 1 of every section of undisturbed soil, then take the sub-fraction of every section of undisturbed soil by The standard method of soil moisture content is determined, its water content is determined, obtains soil moisture content COEFFICIENT K；Calculate above-mentioned each section of 100cm3 The dry ground weight M (M=M1/ (1+K)) of undisturbed soil, further obtain unit weight P (P=M/100) g/cm of this section of soil3。
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