CN109765076A - One kind is by vertically squeezing acquisition interflow device - Google Patents

One kind is by vertically squeezing acquisition interflow device Download PDF

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Publication number
CN109765076A
CN109765076A CN201910075671.7A CN201910075671A CN109765076A CN 109765076 A CN109765076 A CN 109765076A CN 201910075671 A CN201910075671 A CN 201910075671A CN 109765076 A CN109765076 A CN 109765076A
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China
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sleeve
soil
drive rod
impeller
acquisition
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CN201910075671.7A
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不公告发明人
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Ningbo Yong Cheng Technology Co Ltd
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Ningbo Yong Cheng Technology Co Ltd
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Priority to CN201910075671.7A priority Critical patent/CN109765076A/en
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Abstract

The invention discloses one kind by vertically squeezing acquisition interflow device, including sleeve and drive rod, in the sleeve that drive rod is located at, sleeve outer wall is equipped with scale and upper end opening lower end connects a tapered portion, multiple radial holes are equipped in the different location of sleeve axial direction, a telescopic moving component is equipped in each radial hole, the side of telescopic moving component towards sleeve inner is protruded into sleeve and setting lower inclined plane, the side of telescopic moving component towards cartridge exterior is provided with flexible acquisition cavity, soil moisture sensor is provided in flexible acquisition cavity, it is provided on drive rod and consistent first impeller of telescopic moving number of components, first impeller is for pushing out telescopic moving component, the bottom surface of first impeller is equipped with the ramp cooperated with lower inclined plane;The invention has the advantages that the soil of different depth can be acquired and be analyzed its water content, so that transport conditions to soil wetting front and its more objectively reflecting to the response relation of rainfall.

Description

One kind is by vertically squeezing acquisition interflow device
Technical field
It is the present invention relates to hydrology experimental study technical field, in particular to a kind of by vertically squeezing acquisition interflow dress It sets.
Background technique
Under the double influence of climate change and mankind's activity, profound change occurs for watershed hydrologic cycle differentiation.Weather becomes Changing influences hydrologic cycle by changing precipitation, temperature, sunshine, wind, relative humidity etc., and then changes precipitation, runoff, evaporation, soil The spatial and temporal distributions of the hydrographic features such as earth humidity.Mankind's activity, which then passes through, changes watershed system and the spatial and temporal patterns of water etc. Influence hydrologic cycle process.Therefore response relation or different gradient, rain of the soil moisture content transformation to runoff during the rainfall By force, underlying surface needs the response relation of runoff to carry out relevant research work, this be also current hydrology research hot spot it One.
In current research work, research of the soil water movement to runoff response relation mostly uses designed, designed Soil box, used artificially-simulated rainfall process, observes the transport conditions of soil wetting front and its sound to rainfall in soil box indoors It should be related to.But the design most four of this soil box is thorough to be welded with steel plate, it can not be from the variation feelings of external observation soil moisture Condition is only capable of utilizing the state change for burying the data understanding soil moisture that moisture transducer obtains from soil.The receipts of interflow Collection is also collected only with single guiding device, can not the interflow to different depth carry out layering collection.
Improved device can be used for research of the related fields for Soil Moisture Movement state, can be layered and collect different soil The interflow of earth depth, and the migration state of soil wetting front is observed in real time.For hydrology field, using the device to not Rainfall diameter stream and the response relation of interflow under the same gradient, raininess, vegetation coverage.It equally, can for water and soil conservation aspect By the control during improving the design of front end guiding device and banketing to the soil weight, soil is invaded during simulated rainfall Erosion state.
Although the device of the existing motion conditions that soil moisture is directly observed by glass window makes observation more intuitive, But the moisture movement inside soil is more complicated, glass window only reflects the part fact, and cannot be accurately to naked eyes Soil wetting front situation inside the soil horizon that can't see is shown.
Summary of the invention
The purpose of the present invention is to provide one kind by vertically squeezing acquisition interflow device, can acquire meat inside soil The soil moisture information that can not see.
The technical scheme of the invention to solve the technical problem is:
One kind acquiring interflow device by vertically squeezing, including sleeve and drive rod, the drive rod are located in the sleeve, The sleeve outer wall is equipped with scale and upper end opening lower end connects a tapered portion, is equipped in the different location of the sleeve axial direction Multiple radial holes, are equipped with a telescopic moving component in each radial hole, and the telescopic moving component is towards the sleeve Internal side is protruded into the sleeve and setting lower inclined plane, and the side of telescopic moving component towards the cartridge exterior is set Be equipped with flexible acquisition cavity, soil moisture sensor be provided in the flexible acquisition cavity, be provided on the drive rod with it is described Consistent first impeller of telescopic moving number of components, first impeller are used to push out the telescopic moving component, The bottom surface of first impeller is equipped with the ramp cooperated with the lower inclined plane, and the lower inclined plane is not acted on by the ramp When, the flexible acquisition cavity is hidden in the radial hole, and when the drive rod is inserted into the sleeve, the lower inclined plane is described Ramp effect, multiple flexible acquisition cavities are successively pushed out from the corresponding radial hole, the soil moisture sensor Acquire soil moisture information.
Preferably, first impeller is the first raised line being arranged in the outer side wall of drive rod, described first The length direction of raised line is axial parallel with the drive rod, and the bottom end of first raised line and the bottom end of the drive rod are flat Together, the bottom surface of first raised line is equipped with the ramp cooperated with the lower inclined plane.
Preferably, further including first back-moving spring, the first back-moving spring is mounted in the radial hole, described One reset spring drives the flexible acquisition cavity to be back in the radial hole.
Preferably, the sleeve includes fixes sleeve and sliding sleeve, the sliding sleeve is covered in the fixes sleeve External and can move up and down along the axial direction of the fixes sleeve, the different location of fixes sleeve axial direction is equipped with multiple The radial hole, be provided on the sliding sleeve with the consistent through-hole of the radial hole number, when the sliding sleeve is upward When mobile, so that the through-hole is connected to the radial hole can release the flexible acquisition cavity to soil, when the sliding When sleeve moves down reset, so that the through-hole and radial hole is obstructed that soil or water is avoided to enter the flexible acquisition cavity In.
Preferably, the side of telescopic moving component towards the sleeve inner is recessed inwardly to form notch, it is described Notch runs through the upper and lower end faces of the telescopic moving component, and the flexible acquisition cavity is connected to the bottom surface of the notch, described The bottom of soil moisture sensor is protruded into the notch, and the bottom of the soil moisture sensor is provided with sliding block, the cunning The upper surface of block is concordant with the lower inclined plane of the telescopic moving component, is provided on the drive rod for the sliding block is outside The second impeller pushed away, the bottom surface of second impeller is concordant with the bottom surface of first impeller, and the sliding block is not by institute When stating the effect of the second impeller, the soil moisture sensor is hidden in the flexible acquisition cavity, and the sliding block is by described the When two impellers act on, the soil moisture sensor is pushed out from the flexible acquisition cavity.
Preferably, second impeller is the second raised line being arranged in the outer side wall of drive rod, described second The length direction of raised line is axial parallel with the drive rod, and the bottom end of second raised line and the bottom end of the drive rod are flat Together, the width of second raised line is less than the width of the notch.
Preferably, being provided with second back-moving spring between the sliding block and the bottom surface of the notch, described second resets Spring drives the soil moisture sensor to be back in the flexible acquisition cavity.
Compared with prior art, the invention has the following advantages:
1, the present invention can be buried in the soil and can be to the soil of different depth by vertically squeezing acquisition interflow device Earth is acquired and analyzes its water content so that transport conditions to soil wetting front and its to the response relation of rainfall more Objectively to be reflected.
2, sleeve of the invention is divided into fixes sleeve and sliding sleeve, can to stretch by moving up and down sliding sleeve Acquisition cavity is effectively protected, and avoids collecting the soil of depth required for the soil of acquisition is not or the time of acquisition is not that institute is pre- If time.
3, sliding block of the invention and the second impeller are used cooperatively, and can quickly be removed the soil in flexible acquisition cavity, Efficiency is higher, and quickly reuses convenient for the present apparatus.
Detailed description of the invention
Fig. 1 is the stereochemical structure signal of the transport conditions of Observable soil wetting front and the soil box of layering collection interflow Figure;
Fig. 2 is the top view of the transport conditions of Observable soil wetting front and the soil box of layering collection interflow;
Fig. 3 is the side schematic view of the transport conditions of Observable soil wetting front and the soil box of layering collection interflow;
Fig. 4 is the schematic internal view of the transport conditions of Observable soil wetting front and the soil box of layering collection interflow;
Fig. 5 is the structural schematic diagram that the present invention acquires interflow device by vertically squeezing;
Fig. 6 is the half-section diagram one that the present invention acquires interflow device by vertically squeezing;
Fig. 7 is the enlarged diagram in Fig. 6 at A;
Fig. 8 is the structural schematic diagram one of drive rod;
Fig. 9 is the structural schematic diagram two of drive rod;
Figure 10 is the half-section diagram two that the present invention acquires interflow device by vertically squeezing;
Figure 11 is the enlarged diagram in Figure 10 at B;
Figure 12 is the half-section diagram three that the present invention acquires interflow device by vertically squeezing;
Figure 13 is the enlarged diagram in Figure 12 at C;
Figure 14 is the structural schematic diagram of telescopic moving component.
In figure: 1, steel plate;2, tempered glass;3, graduated scale;4, guiding device;5, steel disc;6, water-tight device;7, interflow It is layered collection device;8, steel column;9, spun yarn net;10, iron net;11, sleeve;12, drive rod;13, tapered portion;14, radial hole; 15, telescopic moving component;16, lower inclined plane;17, stretch acquisition cavity;18, soil moisture sensor;19, the first impeller;20, on Inclined-plane;21, first back-moving spring;22, fixes sleeve;23, sliding sleeve;24, through-hole;25, notch;26, sliding block;27, second Impeller;28, second back-moving spring.
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
In conjunction with shown in Fig. 1 to Fig. 4, the soil of interflow is collected in a kind of transport conditions of Observable soil wetting front and layering Slot, a height of 5m × 2m of the length and width of experimental design soil box × 1.3m is, it can be achieved that simulate different underlays in rainfall in large scale Face, the gradient, raininess and soil moisture content early period are to the response relation of Soil Moisture Movement.
The experiment equipment that interflow is collected in the transport conditions of Observable soil wetting front and layering specifically includes that the anti-of bottom Water installations 6, the tempered glass 2 of side, spun yarn net 9, iron net 10, interflow layering collection device 7 and guiding device 4.
Wherein, the water-tight device 6 of (1) soil box bottom can prevent from leaking under soil moisture, make moisture lateral movement, finally from receipts Collect the guiding device outflow of interflow subsurface drainage, to achieve the purpose that collect interflow subsurface drainage.It is most lower that bottom water-tight device 6 is located at soil box End, makes it be closely linked with soil box surrounding after laying by glass cement.
(2) transparent graduated scale 3 is posted on the tempered glass 2 of soil box two sides installation, a rainfall can be observed in real time The migration depth of wetting front in journey.The tempered glass 2 of transparent sides connects with the steel plate 1 of soil box two sides, lower end and bottom triangle Iron phase connects, and upper end is connected with top angle iron.
(3) the vertical section catch net of soil box front end exit is made of iron net 10 and spun yarn net 9, predominantly prevents rainfall Middle front end soil side leakage.The laying of spun yarn net 9 simultaneously need to be layered collection device 7 according to interflow and carry out layering laying, to prevent Soil box bottom is flowed into along spun yarn net 9 after interflow production stream.Spun yarn net 9 is laid on 10 inside of soil box front end iron net, and according in earth Flow point layer collection device carries out layering laying.10 side of iron net is connected with spun yarn net 9, and the other side is connected with front end guiding device 4 It connects, surrounding is then respectively welded on the steel plate 1 of soil box two sides and the angle iron of upper and lower side.
(4) its effect of interflow layering collection device 7 is cutd open after predominantly preventing upper layer interflow from producing stream along front end soil Surface current enters in lower layer's interflow collection device 7.The steel disc 5 that interflow is layered collection device 7 is filled by front end iron net 10 and water conservancy diversion It sets 4 to link together, and steel disc 5 is placed in 4 top of guiding device.Steel disc 5 and guiding device and the hole glass of iron net junction Glass glue is sealed.
(5) guiding device 4 of soil box is mainly to collect and observe rainwash and interflow, while guiding device can root It is laid according to requirement of experiment in different depth.Soil box front end guiding device 4 using layering be staggered, equally distributed design.Water conservancy diversion dress 4 are set mainly to link together by rivet and the steel plate 1 of soil box two sides, mainly pass through between different guiding devices 4 glass cement into Row sealing.
(6) steel plate of 10 cm high is reserved during soil box bankets, to top surrounding to prevent raindrop splash erosion in rainfall And the lateral scouring of surface layer water and soil is lost.
(7) size of soil box can need to be modified design according to specific research.
The soil box making step that interflow is collected in a kind of transport conditions of Observable soil wetting front and layering is as follows:
In soil box installation process, soil box two sides and front and rear part are linked together first with angle iron, and it is directly welded It connects on bottom plate.Three steel columns of vertical uniform laying, steel column upper end and soil box front end at soil box inner close fitting guiding device simultaneously The welding of top angle iron, lower end and soil box front bottom end are welded.Then by the iron net of design be put into inside soil box and and soil box Front end two sides angle iron and the welding of the iron prop of centre.The steel disc used that shuts off is layered to be carried out by iron net and guiding device with glass cement Gluing, to prevent interflow from entering lower layer's guiding device by the hole of steel disc and guiding device junction.Meanwhile steel disc and iron The hole at the network chain place of connecing also needs to be sealed with glass cement, to prevent interflow from entering lower layer by the hole of steel disc and iron net junction Guiding device.Vertical runs are between soil and iron net from bottom to top for spun yarn net, to prevent the soil side leakage in rainfall.
During banketing, water-tight device first is spread in bottom, and the junction of itself and trough surrounding is sealed with glass cement, Prevent moisture from flowing out from soil box bottom.Then waterproof cloth upper berth 10cm fine sand and be compacted, then spread on sand One layer of gauze finally carries out upper layer again and bankets to prevent upper layer of soil from mixing with lower layer sand.It can be according to specific during banketing Requirement of experiment, the control soil weight carry out layering and banket.
Artificially-simulated rainfall is to the Response Mechanism for producing confluence under the conditions of the present apparatus realizes large scale in rainfall, simultaneously There is important meaning to the research of the response relation of runoff to soil moisture content transformation, different gradient, raininess, underlying surface under change condition Justice.
Only realize that visually observed is inadequate, therefore the present invention matches by vertically squeezing acquisition interflow device needs It closes and states experiment equipment and be used together.
In conjunction with shown in Fig. 5 to Figure 14, one kind is by vertically squeezing acquisition interflow device, including sleeve 11 and drive rod 12, drive rod 12 is located in sleeve 11, and 11 outer wall of sleeve is equipped with scale and upper end opening lower end connects a tapered portion 13, is covering The axial different location of cylinder 11 is equipped with multiple radial holes 14, and a telescopic moving component 15 is equipped in each radial hole 14, stretches Moving parts 15 protrudes into sleeve 11 towards the side inside sleeve 11 and setting lower inclined plane 16, and telescopic moving component 15 is towards set Side outside cylinder 11 is provided with flexible acquisition cavity 17, is provided with soil moisture sensor 18, drive rod in flexible acquisition cavity 17 It is provided on 12 and is used for consistent first impeller 19 of 15 quantity of telescopic moving component, the first impeller 19 by telescopic moving portion Part 15 pushes out, and the bottom surface of the first impeller 19 is equipped with the ramp 20 cooperated with lower inclined plane 16, and lower inclined plane 16 is not by ramp When 20 effect, flexible acquisition cavity 17 is hidden in radial hole 14, when lower inclined plane 16 is acted on by ramp 20, stretch acquisition cavity 17 from Radial hole 14 is pushed out, and soil moisture sensor 18 acquires soil moisture information.
In the present embodiment, the first impeller 19 is the first raised line being arranged on 12 lateral wall of drive rod, the first raised line Length direction is axial parallel with drive rod 12, and the bottom end of the first raised line is concordant with the bottom end of drive rod 12, the bottom of the first raised line Face is equipped with the ramp 20 cooperated with lower inclined plane 16.
It further include first back-moving spring 21 by vertically squeezing acquisition interflow device, first back-moving spring 21 is mounted on diameter Into hole 14, first back-moving spring 21 drives flexible acquisition cavity 17 to be back in radial hole 14.
Sleeve 11 includes fixes sleeve 22 and sliding sleeve 23, and 23 sets of sliding sleeve is in 22 outside of fixes sleeve and can It is moved up and down along the axial direction of fixes sleeve 22, the axial different location of fixes sleeve 22 is equipped with multiple radial holes 14, sliding sleeve Cylinder 23 on be provided with the consistent through-hole 24 of 14 quantity of radial hole, when sliding sleeve 23 moves up, so that through-hole 24 and diameter Flexible acquisition cavity 17 can be released to soil to the connection of hole 14, when sliding sleeve 23 moves down reset, so that through-hole 24 With radial hole 14 is obstructed that soil or water is avoided to enter in flexible acquisition cavity 17.
Telescopic moving component 15 is recessed inwardly to form notch 25 towards the side inside sleeve 11, and notch 25 is moved through flexible The upper and lower end faces of dynamic component 15, flexible acquisition cavity 17 are connected to the bottom surface of notch 25, and the bottom of soil moisture sensor 18 is stretched Enter in notch 25, the bottom of soil moisture sensor 18 is provided with sliding block 26, and sliding block 26 is located in notch 25, the upper end of sliding block 26 Face is concordant with the lower inclined plane 16 of telescopic moving component 15, and second for pushing out sliding block 26 is provided on drive rod 12 and is pushed Part 27, the bottom surface of the second impeller 27 is concordant with the bottom surface of the first impeller 19, when sliding block 26 is not acted on by the second impeller 27, Soil moisture sensor 18 is hidden in flexible acquisition cavity 17, when sliding block 26 is acted on by the second impeller 27, soil moisture sensing Device 18 is pushed out from flexible acquisition cavity 17.
In the present embodiment, the second impeller 27 is the second raised line being arranged on 12 lateral wall of drive rod, the second raised line Length direction is axial parallel with drive rod 12, and the bottom end of the second raised line is concordant with the bottom end of drive rod 12, the bottom of the second raised line Face is concordant with the bottom surface of the first raised line, and the width of the second raised line is less than the width of notch 25.
Second back-moving spring 28 is provided between sliding block 26 and the bottom surface of notch 25, second back-moving spring 28 drives the soil water Sub-sensor 18 is back in flexible acquisition cavity 17.
The present invention is as follows by vertically squeezing acquisition interflow apparatus control method:
1, mobile sliding sleeve 23, changes its position relative to fixes sleeve 22 so that through-hole 24 with radial hole 14 is obstructed keeps away Exempt from soil or water enters in flexible acquisition cavity 17;
2, sleeve 11 is inserted into soil by tapered portion 13, flexible acquisition cavity 17 is located at quilt in the radial hole 14 of fixes sleeve 22 Sliding sleeve 23 is protected;
3, when needing to acquire soil moisture information, change position of the sliding sleeve 23 relative to fixes sleeve 22, so that through-hole 24 Flexible acquisition cavity 17 can be released to soil by being connected to radial hole 14;
4, the first raised line of drive rod 12 is made to be directed at telescopic moving component 15, vertical depression drive rod 12 makes the upper of the first raised line Inclined-plane 20 successively acts on downwards the lower inclined plane 16 of each telescopic moving component 15, so that telescopic moving component 15 moves horizontally simultaneously Each flexible acquisition cavity 17 is driven to penetrate in the soil of different depth, soil is filled into flexible acquisition cavity 17, and first is multiple at this time Position spring 21 is compressed;
5, the soil moisture sensor 18 in flexible acquisition cavity 17 measures the water content of soil and is sent to computer storage and analysis;
6, after acquisition measurement finishes, pulling drive bar 12, the first raised line is no longer bear against telescopic moving component 15, and first resets bullet Spring 21 discharges elastic potential energy and resets telescopic moving component 15, and flexible acquisition cavity 17 also resets;
7, rotation of drive rod 12 makes the second raised line be directed at sliding block 26, and pushing drive rod 12 acts on the second raised line successively downwards each On sliding block 26, so that sliding block 26 and soil moisture sensor 18 move horizontally, soil moisture sensor 18 extends to flexible adopt Collect the opening of chamber 17 or stretch out flexible acquisition cavity 17, the soil in flexible acquisition cavity 17 is discharged, second resets bullet at this time Spring 28 is compressed;
8, after soil removing finishes, pulling drive bar 12, the second raised line is no longer bear against sliding block 26, and second back-moving spring 28 discharges Elastic potential energy resets sliding block 26, and soil moisture sensor 18 also resets;
9, position of the mobile sliding sleeve 23 relative to fixes sleeve 22 so that through-hole 24 and radial hole 14 it is obstructed avoid soil or Water enters in flexible acquisition cavity 17;
10, rotation of drive rod 12 makes the first raised line deviate telescopic moving component 15, and the second raised line is made to deviate sliding block 26, pushes Drive rod 12 is accommodated in drive rod in sleeve 11;
11, sleeve 11 is extracted.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art.While there has been shown and described that originally The embodiment of invention, for the ordinary skill in the art, it is possible to understand that do not departing from the principle and spirit of the invention In the case where a variety of change, modification, replacement and modification can be carried out to these embodiments, the scope of the present invention be wanted by appended right It asks and its equivalent limits.

Claims (7)

1. one kind is by vertically squeezing acquisition interflow device, it is characterised in that: described including sleeve (11) and drive rod (12) Drive rod (12) is located in the sleeve (11), and sleeve (11) outer wall is equipped with scale and one cone of upper end opening lower end connection Shape portion (13) is equipped with multiple radial holes (14) in the different location of the sleeve (11) axial direction, in each radial hole (14) In be equipped with a telescopic moving component (15), the telescopic moving component (15) protrudes into institute towards the internal side of the sleeve (11) It states in sleeve (11) and setting lower inclined plane (16), the telescopic moving component (15) sets towards the external side of the sleeve (11) It is equipped with flexible acquisition cavity (17), is provided with soil moisture sensor (18), the drive rod in the flexible acquisition cavity (17) (12) it is provided on and consistent first impeller (19) of telescopic moving component (15) quantity, first impeller (19) For pushing out the telescopic moving component (15), the bottom surface of first impeller (19) is equipped with and the lower inclined plane (16) The ramp (20) of cooperation, when the lower inclined plane (16) is not acted on by the ramp (20), the flexible acquisition cavity (17) is hidden It ensconces in the radial hole (14), when the drive rod (12) is inserted into sleeve (11), the lower inclined plane (16) is by described Inclined-plane (20) effect, multiple flexible acquisition cavities (17) are successively pushed out from the corresponding radial hole (14), the soil Moisture transducer (18) acquires soil moisture information.
2. according to claim 1 by vertically squeezing acquisition interflow device, it is characterised in that: first impeller It (19) is the first raised line being arranged on the drive rod (12) lateral wall, the length direction of first raised line and the driving The axial direction of bar (12) is parallel, and the bottom end of first raised line is concordant with the bottom end of the drive rod (12), first raised line Bottom surface is equipped with the ramp (20) cooperated with the lower inclined plane (16).
3. according to claim 1 by vertically squeezing acquisition interflow device, it is characterised in that: further include the first reset Spring (21), the first back-moving spring (21) are mounted in the radial hole (14), and the first back-moving spring (21) drives The flexible acquisition cavity (17) is back in the radial hole (14).
4. according to claim 1 by vertically squeezing acquisition interflow device, it is characterised in that: sleeve (11) packet Include fixes sleeve (22) and sliding sleeve (23), the sliding sleeve (23) covers external in the fixes sleeve (22) and can It is moved up and down along the axial direction of the fixes sleeve (22), the different location of fixes sleeve (22) axial direction is equipped with multiple described Radial hole (14), be provided on the sliding sleeve (23) with the consistent through-hole of the radial hole (14) quantity (24), when described When sliding sleeve (23) moves up, so that the through-hole (24) is connected to the radial hole (14) can release institute to soil Flexible acquisition cavity (17) are stated, when the sliding sleeve (23) moves down reset, so that the through-hole (24) and the radial direction Hole (14) is obstructed to avoid soil or water from entering in the flexible acquisition cavity (17).
5. by vertically squeezing acquisition interflow device according to claim 2-4 any one, it is characterised in that: described Telescopic moving component (15) is recessed inwardly to be formed notch (25) towards the internal side of the sleeve (11), and the notch (25) is passed through Wear the upper and lower end faces of the telescopic moving component (15), the bottom surface company of the flexible acquisition cavity (17) and the notch (25) Logical, the bottom of the soil moisture sensor (18) is protruded into the notch (25), the bottom of the soil moisture sensor (18) Portion is provided with sliding block (26), and the sliding block (26) is located in the notch (25), and the upper surface of the sliding block (26) is stretched with described The lower inclined plane (16) of contracting moving parts (15) concordantly, is provided on the drive rod (12) for pushing out the sliding block (26) The second impeller (27), the bottom surface of second impeller (27) is concordant with the bottom surface of first impeller (19), described When sliding block (26) is not acted on by second impeller (27), the soil moisture sensor (18) is hidden in the flexible acquisition In chamber (17), when the sliding block (26) is acted on by second impeller (27), the soil moisture sensor (18) is from described Flexible acquisition cavity (17) are pushed out.
6. according to claim 1 by vertically squeezing acquisition interflow device described in -5, it is characterised in that: described second pushes Part (27) is the second raised line being arranged on the drive rod (12) lateral wall, the length direction of second raised line and the drive The axial direction of lever (12) is parallel, and the bottom end of second raised line is concordant with the bottom end of the drive rod (12), second raised line Width be less than the notch (25) width.
7. according to claim 1 by vertically squeezing acquisition interflow device described in -5, it is characterised in that: the sliding block (26) It is provided between the bottom surface of the notch (25) second back-moving spring (28), the second back-moving spring (28) drives the soil Earth moisture transducer (18) is back in the flexible acquisition cavity (17).
CN201910075671.7A 2019-01-25 2019-01-25 One kind is by vertically squeezing acquisition interflow device Pending CN109765076A (en)

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CN110220739A (en) * 2019-06-19 2019-09-10 武汉中科岩土工程有限责任公司 A kind of geotechnical investigation sampler
CN110567759A (en) * 2019-09-30 2019-12-13 安徽金联地矿科技有限公司 Soil layered water sample collecting device and method thereof
CN110567759B (en) * 2019-09-30 2022-06-14 安徽金联地矿科技有限公司 Soil layered water sample collecting device and method thereof
CN111289041A (en) * 2020-04-11 2020-06-16 天水师范学院 Soil environment on-line monitoring system

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Application publication date: 20190517