CN105954059A - Convenient undisturbed soil taking device - Google Patents
Convenient undisturbed soil taking device Download PDFInfo
- Publication number
- CN105954059A CN105954059A CN201610382863.9A CN201610382863A CN105954059A CN 105954059 A CN105954059 A CN 105954059A CN 201610382863 A CN201610382863 A CN 201610382863A CN 105954059 A CN105954059 A CN 105954059A
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- Prior art keywords
- soil
- drilling pipe
- pipe
- sample
- sampling
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention discloses a convenient undisturbed soil taking device and relates to the technical field of soil taking tools. The undisturbed soil taking device comprises a base, a drilling pipe, a sampling pipe and a sample releasing device; the base is fixedly mounted on the ground to be sampled; the drilling pipe is clamped into the base, the top of the drilling pipe is provided with a handle for driving the drilling pipe to rotate, and the bottom of the drilling pipe is provided with sampling cutting edges which are vertically and spirally distributed; the sampling pipe is sleeved with the drilling pipe, and the sampling pipe can slide up and down along the inner wall of the drilling pipe; the sample releasing device comprises a sample releasing piston arranged at the top of the sampling pipe, and the sample releasing piston is provided with a sampling handle exposed out of the handle. The base plays a role of fixation, verticality of sampling is guaranteed, and labor intensity is lowered; a rotary-cut sampling mode is adopted, in the sampling process, soil is not or slightly disturbed, and the undisturbed feature of taken soil is guaranteed; by means of sample releasing design, secondary squeezing of taken soil by the sample releasing piston in a traditional sample releasing process is avoided.
Description
Technical field
The present invention relates to soil fetch earth technical field of tools, particularly relate to one original-state soil easily and fetch earth
Device.
Background technology
Soil is that agricultural production obtains one of high yield, high-quality, efficient resource, original state soil body simulation experiment
It is agricultural and ecosphere research soil nutrient, trace element, the important means of moisture and salt regime feature, and
The mensuration of the physical behavior such as the soil weight, voidage is required on soil column carrying out, soil column
Gather accuracy and the science directly affecting this type of research work.
At present, the acquisition mode of soil column mainly has section to fetch earth and earth boring auger fetches earth two big classes.Section takes
Soil is to utilize natural or pre-existing topography drop in the wild, or the mode such as hand digging section hole gathers original state
Earth pillar, although this mode can obtain the soil column of relative high quality, but manual labor's intensity is big,
Time-consuming length, efficiency are low, are only applicable to large-scale collection of specimens and demonstration lesson.
And conventional in current research be all kinds of undisturbed soil samplers, including electric or hand mode, but electric
Dynamic drawing out soil equipment, because restriction or the reason such as complexity, costliness of its field power fail to be widely popularized；
The instrument that manually fetches earth mainly has direct press type and rotary two ways, direct press type be by hammering or auxiliary outside
Power enters in soil, and soil sample edge is easily produced by this process because the artificially force such as hammering or pressurization is uneven
Disturbance；Rotary sampling equipment can go out earth pillar by circumgyration incision, and earth pillar is directly sent to sampling container,
The disturbance to soil can be reduced relative to direct press type.Adopt as prior art discloses a kind of rotary undisturbed soil
Collection equipment, although this equipment can lower the sampling process disturbance to the soil body to a certain extent, but lacks
Few fixing device, in use easily due to the inequality that artificially exerts a force, and the factor such as landform, geology
It cannot be guaranteed that the verticality of soil sample；During it addition, fetch earth from sampling tube after having gathered, promote and live
The soil body is released by lever, and the soil body is easily caused again and again extrudes by this process, the softest
Soil, can cause soil body original state structural damage.
To sum up, existing undisturbed soil sampling device have fetch earth inconvenience or be difficult to ensure fetched earth body original state structure
Defect, be badly in need of one and improve equipment and be sampled, make up the deficiency of tradition soil sampler, for undisturbed soil
Earth sampling provides convenient.
Summary of the invention
For drawbacks described above or deficiency, it is an object of the invention to provide one original-state soil easily and fetch earth
Device, it is adaptable to the deep layer original state soil body gathers demand.
The technical scheme is that
One original-state soil soil sampler easily, including base, drilling pipe, probe tube and de-sample device；
Wherein, described base is fixedly installed in ground to be sampled；Described drilling pipe is sticked in base, drilling pipe top
Being provided with the handle for driving drilling pipe to rotate, the bottom of drilling pipe is provided with the sampling sword of vertical spin distribution
Mouthful；Described probe tube is sheathed in drilling pipe, and probe tube can slide up and down along drilling pipe inwall；De-sample device
Including being arranged at the de-sample piston at probe tube top, de-sample piston is provided with convex be exposed to outside handle de-
Sample handle.
Also include for cut soil cut soil cutter.
Described soil cutter leading portion of cutting is semicircle shape structure, and semicircle shape diameter of movement is less than sample bore, cuts soil
The leading portion of the cutter hub of cutter has cutter edge, and back segment has cutter hub handle.
Described probe tube is that two semicircle column jeckets are constituted, and described semicircle column jecket is fastened by lock key.
It is provided with the first scale on described probe tube outer wall.
It is provided with the second scale on described drilling pipe outer wall.
The handle at described drilling pipe top is connected with drilling pipe by hollow connecting rod, and drilling pipe outer wall is provided with external
Screw thread.
Described base center is built-in threaded hold-doun nut, and the disposed thread of hold-doun nut and drilling pipe
The external screw thread of outer wall is meshed.
Described hold-doun nut two ends are provided with pedal, and pedal is provided with for increasing foot-operated frictional force
Anti-slip veins.
The bottom of described hold-doun nut is provided with the nut cutting edge that base is pressed into soil.
Compared with the prior art, the invention have the benefit that
The original-state soil soil sampler that the present invention provides, plays fixation by base, it is ensured that hanging down of sampling
Straightforward, meanwhile, helical structure can be constituted with drilling pipe again, it is simple to enter soil and lift out soil, fall
Low labor intensity；And rotary-cut sampling mode, not disturbance or slight perturbations soil can be accomplished when sampling,
Having ensured the original state characteristic of fetched earth body, de-sample process after sampling, journey takes off sample piston and acts on sampling
Pipe rather than fetched earth body, it is to avoid traditional de-sample process takes off the extruding again to fetched earth body of the sample piston, enters
One step has ensured the original state characteristic of the soil body, meets the deep layer original state soil body and gathers demand, reduces labor intensity.
Further, the design of probe tube of the present invention both can serve as the means of transport of the original state soil body after sampling,
Soil cutter can be cut according to Research Requirements utilization again and cut out the soil of required soil depth, be used for measuring soil
Basis physicochemical character and unit weight, voidage, volumetric water content etc. need the index that undisturbed soil is measured.
To sum up, the present invention can meet the sampling demand of the different depth original state soil body, has research soil resource
Very important meaning.
Accompanying drawing explanation
Fig. 1 is original-state soil sampler structure schematic diagram of the present invention；
Fig. 2 is original-state soil soil sampler probe tube main body schematic diagram of the present invention；
Fig. 3 is original-state soil soil sampler base sectional view of the present invention；
Fig. 4 is original-state soil soil sampler base vertical view of the present invention；
Fig. 5 is that soil cutter front view cut by original-state soil soil sampler of the present invention.
In figure, 1 is base, and 11 is hold-doun nut, and 12 is connecting rod, and 13 is pedal, and 14 is anti-
Sliding stricture of vagina, 15 is disposed thread, and 16 is nut cutting edge；
2 is drilling pipe, and 21 is Antiskid handle, and 22 is handle, and 23 is hollow connecting rod, and 24 is external spiral shell
Stricture of vagina, 25 is sampling cutting edge；
3 is probe tube, and 31 is lock key, and 32 is the first scale；
4 is de-sample device, and 41 is de-sample handle, and 42 is motion bar, and 43 is de-sample piston；
5 for cutting soil cutter, and 51 is cutter edge, and 52 is cutter hub, and 53 is cutter hub handle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail, it is clear that to those skilled in the art,
Obviously will appreciate that above-mentioned Concrete facts example is the preferred version of the present invention, therefore those skilled in the art
Member some part in the present invention may be made improvement, variation, embodiment be still the former of the present invention
Reason, it is achieved be still the purpose of the present invention, belong to the scope that the present invention is protected.
As shown in figures 1-4, the invention provides one original-state soil soil sampler easily, including base 1,
Drilling pipe 2, probe tube 3 and de-sample device 4.
Wherein, as described in Fig. 1,2,3, base 1 is fixedly installed in ground to be sampled；The main body of base 1
Being a hold-doun nut 11 with disposed thread 15, connecting rod 12 and two is passed through at hold-doun nut 11 two ends
Individual pedal 13 is connected, and pedal 13 is provided with the frictional force that anti-slip veins 14 is ridden, fixing spiral shell with increase
The bottom of cap 11 is provided with nut cutting edge 16, in order to base is pressed into soil, plays fixation, strengthens
The steadiness of soil sampler.Base 1 by connecting rod 12 by have disposed thread 15 hold-doun nut 11 and
The pedal 13 of fixation links into an integrated entity, and disposed thread 15 can be nibbled with the screw thread outside drilling pipe 2
Closing, form helical structure, base bottom has nut cutting edge, it is simple to the steadiness of incision soil reinforcement base,
Can ensure that sampling tube is vertically into the soil body by the fixation of base 1 during sampling, it is ensured that soil sample
Verticality.
As shown in Figure 1, 2, described drilling pipe 2 is sticked in base 1, and drilling pipe 2 top is provided with for carrying
The handle 22 that dynamic drilling pipe 2 rotates, handle 22 is provided with Antiskid handle 21, and the bottom of drilling pipe 2 is provided with
The sampling cutting edge 25 of vertical spin distribution；The handle 22 at described drilling pipe 2 top is by hollow connecting rod 23
Being connected with drilling pipe 2, drilling pipe 2 outer wall is provided with external screw thread 24, external screw thread 24 and hold-doun nut 11
Disposed thread 15 be meshed；Exemplary, the bottom of described drilling pipe 2 is provided with trisection vertical spin and divides
The sampling cutting edge 25 of cloth, in order to the soil body cut by drilling pipe 2, drilling pipe 2 outer wall is provided with the second scale, it is possible to
During for indicating sampling, drilling pipe 2 enters the degree of depth of soil.
Described probe tube 3 is that two semicircle column jeckets are constituted, and described semicircle column jecket is fastened by lock key 31,
Described probe tube 3 is sheathed in drilling pipe 2, and probe tube 3 can slide up and down along drilling pipe 2 inwall；Take
Sample pipe 3 outer wall is provided with the first scale 32, and when separating the different depth soil body, scale 32 can be as reference
Standard, probe tube 3 external diameter is slightly less than the inwall of the internal diameter of drilling pipe 2, the outer wall of probe tube 3 and drilling pipe 2
Laminating, but meet probe tube 3 and easily can load and unload in drilling pipe 2, the length of probe tube 3 adds de-sample and lives
Filling in 43 thickness equal with the length of drilling pipe 2, during to ensure soil collecting, probe tube 3 will not be at drilling pipe 2
Inside move up and down, be further ensured that the accuracy of adopted soil depth.Sampling can be by de-sample device after terminating
Probe tube 3 is spun off from drill bushing 2 by 4, owing to this process takes off the application point of sample piston 43 in sampling
On pipe 3 on fetched earth body, avoiding problems tradition de-sample process and cause due to the extruding of piston
The unit weight of undisturbed soil or the change of structure.Described probe tube both can as the conserving appliance of undisturbed ground,
Avoid the handling process destruction to undisturbed ground.
De-sample device 4 includes the de-sample piston 43 being arranged at probe tube 3 top, and de-sample piston 43 is arranged
There is the convex de-sample handle 41 being exposed to outside handle 22；For to be built within drilling pipe 2 bottom de-sample device 4
De-sample piston 43, the diameter of de-sample piston 43 is less than the internal diameter of drilling pipe 2, but de-sample piston 43 side outer wall
Can fit with the inwall of drilling pipe 2, meeting de-sample piston 43 easily can move in drilling pipe 2, de-sample
Handle 41 and de-sample piston 43 are connected by a motion bar 42 being built in hollow connecting rod 23, promote de-
Sample handle 41 can make de-sample piston 43 move up and down in drilling pipe 2, in order to is detached by probe tube 3
Drilling pipe 2.
Preferably, as it is shown in figure 5, present invention additionally comprises for cut soil cut soil cutter 5, described in cut
Soil cutter 5 leading portion is semicircle shape structure, and semicircle shape diameter of movement is less than sample pipe 3 internal diameter, cuts soil cutter 5
The leading portion of cutter hub 52 has cutter edge 51, and back segment has cutter hub handle 53.Semicircle shape diameter of movement is little
In sample pipe 3 internal diameter, but ensure that cutter hub 52 can be fitted with probe tube 3 inwall after cutting probe tube 3, full
Foot cutter hub 52 easily can move in probe tube 3, and with reference to the scale 32 on probe tube 3, utilization is cut
The original state soil body of collection can be separated into different soil depths by soil cutter 5, with satisfied different Research Requirements,
Time specifically used, open the lock key 31 of described probe tube 3, cut probe tube 3 open, as required with cutting
Soil cutter 5 takes out the earth pillar of required soil depth, and the soil cut out can be used for soil basis physicochemical character
Mensuration, it is also possible to need, for unit weight, voidage, volumetric water content etc., the finger that undisturbed soil is measured
Mark.
The work process of the present invention is:
During sampling, first base 1 is placed on the position of required sampling, nut cutting edge 16 is pressed into the soil body, two
Foot slams pedal 13, and first putting into probe tube 3 in drilling pipe 2 puts into hold-doun nut 11 by drilling pipe 2 again,
Hold Antiskid handle 21, turning handle 22, sample the shearing force of cutting edge 25 with outer by drilling pipe 2 lower end
Put screw thread 24, with the rotary-cut effect of the thread structure of disposed thread 15 composition on base, drilling pipe 2 is screwed in soil
Body, with reference to the external scale of drilling pipe 2, sends drilling pipe 2 into desired depth.In the process along with drilling pipe
2 rotary-cuts are buried, and sampling cutting edge 25 is understood be cut out a toroidal cavity in the soil body, and the soil within cavity
Post the most easily loads probe tube 3, owing to the external diameter of probe tube 3 is slightly less than outside drilling pipe 2, i.e. probe tube 3
Wall leaves Suitable space with the inwall of drilling pipe 2, so during drilling pipe 2 rotary-cut is buried, probe tube
3 do not rotate together along with drilling pipe 2, and tradition sampling process so can be avoided due to the rotation of probe tube
And the unit weight of the undisturbed soil caused or the change of structure.It addition, the soil dug out in shear history can be along with
The rotation of external screw thread 24 is sent out earth's surface, and the connecting rod 12 of hold-doun nut 11 both sides designs, and both may be used
The base 1 the blocking of soil to spreading out of earth's surface can be avoided again playing fixation.Drilling pipe 2 is sent into
After designated depth, reversely rotate handle 22 and drilling pipe 2 is screwed out soil, complete the collection of soil.
It should be noted that described base 1, drilling pipe 2, de-sample device 4, cut soil cutter 5 integral frame by steel
Ferrum or alloy material are made, to ensure the intensity of these parts.
Described probe tube 3 can be made up of materials such as alloy or light rigid plastics, to ensure probe tube
The portability of 3.
In such scheme, device specification can change according to actual needs.The description of the embodiment above is only
A kind of embodiment as technical solution of the present invention proposes, not as the single limit to apparatus structure and function
Condition processed.The beneficial effect of technical solution of the present invention is reduction of traditional sampling process and disturbs original-state soil
Dynamic, it is ensured that the verticality of the taken original state soil body, easy to use, efficient work, can meet the deepest
The sampling demand of layer original-state soil, can meet again soil basis physicochemical character and unit weight, voidage, volume
Moisture content etc. need the mensuration demand of undisturbed soil, have very important significance research soil resource.
The design of base both can play fixation, it is ensured that drilling pipe can be vertically into the soil body, it is ensured that take
The verticality of sample, can constitute helical structure with boring again, make drilling pipe more labour-saving enter soil and lifting
Go out soil, reduce labor intensity；
The rotary-cut sampling mode of present invention design, can accomplish not disturbance or slight perturbations soil when sampling,
Ensureing the original state characteristic of fetched earth body, de-sample process after sampling, the active force of de-sample piston is in sampling
On pipe on fetched earth body, avoiding problems the de-sample process of tradition and cause due to the extruding of de-sample piston
The unit weight of undisturbed soil or the change of structure, ensured the original state characteristic of the soil body further；.
The design of probe tube of the present invention both can serve as the means of transport of the original state soil body after sampling, again can root
Demand utilization is cut soil cutter and is cut out the soil of required soil depth according to the study, is used for measuring soil basis physics and chemistry
Character and unit weight, voidage, volumetric water content etc. need the index that undisturbed soil is measured；
To sum up, technical solution of the present invention reduces the disturbance to original-state soil of the traditional sampling process, it is ensured that
The verticality of the taken original state soil body, easy to use, efficient work, general deep layer original-state soil can be met
Sampling demand, the need such as soil basis physicochemical character and unit weight, voidage, volumetric water content can be met again
Want the mensuration demand of undisturbed soil, research soil resource is had very important significance.
Claims (10)
1. an original-state soil soil sampler easily, it is characterised in that include base (1), drilling pipe (2),
Probe tube (3) and de-sample device (4)；Wherein, described base (1) is fixedly installed in ground to be sampled；
Described drilling pipe (2) is sticked in base (1), and drilling pipe (2) top is provided with for driving drilling pipe (2)
The handle (22) rotated, the bottom of drilling pipe (2) is provided with the sampling cutting edge (25) of vertical spin distribution；
Described probe tube (3) is sheathed in drilling pipe (2), and probe tube (3) can be along drilling pipe (2) inwall
Slide up and down；De-sample device (4) includes the de-sample piston (43) being arranged at probe tube (3) top, de-sample
The convex de-sample handle (41) being exposed to outside handle (22) it is provided with on piston (43).
Original-state soil soil sampler easily the most according to claim 1, it is characterised in that also include
For cut soil cut soil cutter (5).
Original-state soil soil sampler easily the most according to claim 2, it is characterised in that described in cut
Soil cutter (5) leading portion is semicircle shape structure, and semicircle shape diameter of movement is less than sample pipe (3) internal diameter, cuts soil
The leading portion of the cutter hub (52) of cutter (5) has cutter edge (51), and back segment has cutter hub handle (53).
Original-state soil soil sampler easily the most according to claim 1, it is characterised in that described in take
Sample pipe (3) is that two semicircle column jeckets are constituted, and described semicircle column jecket is fastened by lock key (31).
Original-state soil soil sampler easily the most according to claim 1, it is characterised in that described in take
The first scale (32) it is provided with on sample pipe (3) outer wall.
Original-state soil soil sampler easily the most according to claim 1, it is characterised in that described brill
It is provided with the second scale on pipe (2) outer wall.
Original-state soil soil sampler easily the most according to claim 1, it is characterised in that described brill
The handle (22) at pipe (2) top is connected with drilling pipe (2) by hollow connecting rod (23), drilling pipe
(2) outer wall is provided with external screw thread (24).
Original-state soil soil sampler easily the most according to claim 7, it is characterised in that the described end
Seat (1) center is the hold-doun nut (11) being built-in with screw thread (15), and hold-doun nut (11) is interior
Put screw thread (15) to be meshed with the external screw thread (24) of drilling pipe (2) outer wall.
Original-state soil soil sampler easily the most according to claim 8, it is characterised in that described solid
Determining nut (11) two ends and be provided with pedal (13), pedal (13) is provided with for increasing foot-operated rubbing
The anti-slip veins (14) of wiping power.
Original-state soil soil sampler easily the most according to claim 7, it is characterised in that described
The bottom of hold-doun nut (11) is provided with the nut cutting edge (16) that base is pressed into soil.
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| CN201610382863.9A CN105954059A (en) | 2016-06-01 | 2016-06-01 | Convenient undisturbed soil taking device |
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| CN201610382863.9A CN105954059A (en) | 2016-06-01 | 2016-06-01 | Convenient undisturbed soil taking device |
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Application publication date: 20160921 |