CN105928738A - Layered sampling apparatus and method for ice cover - Google Patents
Layered sampling apparatus and method for ice cover Download PDFInfo
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- CN105928738A CN105928738A CN201610257651.8A CN201610257651A CN105928738A CN 105928738 A CN105928738 A CN 105928738A CN 201610257651 A CN201610257651 A CN 201610257651A CN 105928738 A CN105928738 A CN 105928738A
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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
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Abstract
The invention relates to a layered sampling apparatus and method for an ice cover. The layered sampling apparatus comprises a sampling part and a force applying part. The sampling part comprises at least one ice body sampling box which comprises an ice storage box with hollow interior and an ice guiding groove; an opening in the first end of the ice guiding groove is communicated with the ice storage box, another opening in the second end of the ice guiding groove is located at the outer side of the ice storage box, and the opening in the second end of the ice guiding groove is provided with ice breaking teeth protruding out from the ice guiding groove; the ice storage box is also provided with a rotation hole penetrating the ice storage box; the force applying part comprises a rotary rod which passes through the rotation hole and drives the ice body sampling box to rotate; the shape of the rotary rod matches with the shape of the rotation hole; and a locking block is arranged on the end part of the rotary rod. The layered sampling apparatus is easy to operate, convenient to use and small in size; moreover, the apparatus can be assembled on site, which facilitates transport of the apparatus.
Description
Technical field
The present invention relates to a kind of ice sheet stratified sampling equipment and method, be a kind of hydrological observation equipment and method, be a kind of equipment for ice sheet research field and method, particularly to a kind of ice sheet stratified sampling equipment and the method for sampling that uses this equipment.
Background technology
Ice condition phenomenon is the distinctive a kind of natural phenomena of cold region river, and the Yarlung Zangbo River of Southwestern China Plateau Cold Area, Source Region of The Yangtze River, Yellow River source etc. generally exist.After entering the winter, reducing with temperature, river water loss of heat, when water temperature is down to 0 ° of below C, water body undergoes phase transition, and part water body is converted into solid floating ice and bubbles through the water column, and flows with current.Cold region river ice slush is raw to disappear, develop and evolution process is increased rapidly by temperature, the discharge of river, river trend, solar radiation difference, river course form and the multiple factors such as water front condition, groove storage capacity are affected, when streamflow flow velocity is less, nascent ice sheet thickness is mainly by single floating ice THICKNESS CONTROL, floating ice order arrangement is freezed mutually, and this process is " flat envelope "；When flow rate of water flow is big or adverse current is when wind speed is strong, and floating ice circles round or slips into the ice sheet that ice cover front edge thickness formed below is bigger, causes the pole out-of-flatness of ice face, this process is " vertical envelope ".Along with rise, the runoff rate of temperature strengthen, under the interaction of thermodynamics factor and hydraulic factors, ice body can gradually thaw, and recovers free flow state.
During above-mentioned Frozen-thawed cycled, phosphorus in river water, nitrogen, the pollutant such as stupid are frozen in ice body as well as water body in the winter time, discharge to water body to spring again.In the presence of the ice body in river is with floating ice form, the Transport And Transformation of surrounding material will be with water movement, when ice jams forms ice sheet, and in ice sheet, pollutant will no longer be moved, and directly affects migration and the differentiation of surrounding material.Ice sheet is mainly reflected in period of freezing winter and constructs a canal the phase the impact of river environment quality.In period of freezing winter, ice sheet significantly increases the resistance of river cross-section wetted perimeter and flowing after being formed, so change velocity flow profile (Figure 1aFor the velocity flow profile under free flow,Figure 1bVelocity flow profile under ice sheet) diffusion and the defeated shifting of pollutant in river water and other surrounding material will be impacted.Ice sheet has also completely cut off the mass exchange of water body and air, makes organic poison lose the approach of volatilization and photodissociation, and because of stream reaeration ability in winter, the pollutant in water, can only migrated downstream as flowed in the duct.Spring constructs a canal the phase, and temperature raises, melting, and the pollutant in ice sheet discharges in water body and air, and wetted perimeter and the flow resistance in river reduces simultaneously, again impacts the environmental quality in river.In addition, in river, water flow in dry season is typically only ten parts of wet season to 1/tens winter, compared with the wet season, freezeup period river organic pollutants extension rate is much smaller, concentration is also much higher, and the impact of river environment quality also be can not be ignored by the release of the pollutant in phase ice sheet of therefore constructing a canal.
In the monitoring of ice sheet internal contamination thing, current sample devices also rests on " cold chisel " and " ice the wears son " stage of the fifties in last century, cannot meet the requirement that new period complex condition quickly, is accurately sampled, especially for sudden water pollution event, existing equipment is more difficult to be competent at.
The ice body in river, Plateau Cold Area is environmentally in the winter time, temperature need to be as in view of the development evolvement of ice sheet, the dynamic process of Time evolution, the speed of growth of ice sheet is by thermodynamic conditions such as temperature sunshines, river hydraulics condition, boundary conditions etc. affect and are continually changing, in river water, the concentration of pollutant also changes over, therefore pollutant levels non-uniform Distribution in ice sheet, it is relevant with the pollutant levels of water body in the development speed of ice sheet and river etc., distribution gradient on vertical, existing data confirms this Changing Pattern, as in the ice sheet that Ying Yuwen etc. surveys on the section of 19, Song Hua River, nitro phenenyl concentration all occurs in that change on vertical, wherein the nitro phenenyl concentration maximum of the upper and lower differs more than 8 times.At present, the Changing Pattern of pollutant in river ice sheet, and the research such as the dissolving of ice body pollutant, diffusion, defeated shifting is also in the starting stage, one of them critically important reason is a lack of corresponding stratified sampling equipment.Before address, existing ice sheet sample devices is the most original, as Xu Shi states of Dalian University of Technology in 2007 etc. are still using chain saw, ice to wear the instruments such as son in the ice sample collection on the SongHua River carried out, ice is pounded very fine taking-up.2013, the ice sample sampling instrument that the beautiful grade of Agricultural University of the Inner Mongol Cao Wei uses when analysis the Yellow River slubbing turns the distribution characteristics of section freezeup period PCBs and HCHs was cold chisel.Abroad the research of pollutant in ice sheet is concentrated mainly on sea ice, especially studies the saluretic effect of sea ice and the impact on marine environmental quality thereof, but also have no the document about ice sheet stratified sampling equipment.
In the research of water quality of river sampling equipment and application aspect, individual layer sampler when being conventionally used to free flow, long-pending deep formula sampler, closing tube sampler etc. are simply not proposed to the sampling of ice sheet.In addition, the fidelity sampler being applied to riverbed successively have developed pressurize sampling cylinder (PCB), piston sampler (APC), pressurize corer (PCS), impact-actuated sampler (FPC) and rotary type sampling tube (HRC), heat-insulation pressure keeping sampler (PTCS), the fidelity sampler etc. of Zhejiang University's design, many employing gravity or shock effect sampling, it is applicable to equipment conveying and the use more maximized, and the thickness choosing of inland river ice sheet is less than sea ice and polar ice, the said equipment is not particularly suited for the ice condition present situation of inland river, and ice face directly contacts with air, also need not pressure holding function, the said equipment does not the most possess the ability of Stratified Sampling simultaneously, therefore the demand of river, field, Plateau Cold Area ice sheet stratified sampling it is not suitable for.In consideration of it, in the urgent need to research and development one efficiently, ice sheet stratified sampling equipment and method accurately.
Summary of the invention
In order to overcome problem of the prior art, the present invention proposes a kind of ice sheet stratified sampling equipment and method.Described ice sheet stratified sampling equipment and method achieve ice sheet stratified sampling by rotating and squeezing to push away.
The object of the present invention is achieved like this: a kind of ice sheet stratified sampling equipment, it includes sampling part and force part；Wherein said sampling part includes that at least one ice body sampling box, described ice body sampling box include the ice bank of inner hollow and lead ice bank；Described the first end opening leading ice bank connects with described ice bank, described in lead the second end opening of ice bank and be positioned at the outside of described ice bank, described the second end opening leading ice bank is provided with the ice breaking tooth leading ice bank described in protruding from；Described ice bank is additionally provided with the rotating hole of through described ice bank；
Described force part includes swingle, and described swingle drives described ice body sampling box to rotate through described rotating hole；The shape of described swingle and the mating shapes of described rotating hole；It is additionally provided with latch in the end of described swingle.
Wherein, described sampling part includes two or more ice body sampling box, and plural described ice body sampling box stacking is placed, and the relative position of the ice breaking tooth of each described ice body sampling box is different.
Wherein, described in two or more, ice body sampling box stacks gradually from top to bottom, and the ice breaking tooth of ice body sampling box described in two or more is the most successively away from the direction certain angular interval at center of described ice body sampling box.
Wherein, the interval angles between adjacent two described ice breaking tooths is 3 degree to 7 degree.
Wherein, leading ice bank described in is deep-slotted chip breaker.
Further, the cross sectional shape of described rotating hole is convex, and the cross sectional shape of described swingle is convex.
Further, the cross sectional shape of described swingle includes that interconnective circular portion and rectangular projections divide；
Described latch is overall in " door " shape, and the rectangular projections of described swingle divides and snaps in described latch.
Further, described force part also includes the operation handle being arranged on the end of swingle.
Further, described force part also includes driving motor, and described driving motor is connected with described swingle and drives described swingle to rotate.
Further, described force part also includes that change-speed gearing, described change-speed gearing are meshed with described driving motor, and described swingle is arranged on described change-speed gearing.
Further, during described driving motor and change-speed gearing are arranged on force pedestal；
Described ice sheet stratified sampling equipment also includes support section；Described support section includes for placing supporting pedestal and being arranged on the support bar below described support pedestal of described force pedestal；One end of described support bar is provided with supported hole.
Further, described force pedestal entirety is rectangular, and described support pedestal entirety is rectangular.
A kind of ice sheet method of sampling using above-mentioned ice sheet stratified sampling equipment, it comprises the steps:
S100: perforate on ice sheet；
S200: inserted in the hole by ice sheet stratified sampling equipment, makes the side of ice body sampling box be close to ice body simultaneously；
S300: manual or startup drives motor to make swingle rotate can complete stratified sampling.
The beneficial effect comprise that:
(1) the ice body sampling box in the ice sheet stratified sampling equipment of the present invention is used for crushing and store ice body sample, and under the drive of swingle, ice breaking tooth crushes ice body, then by lead ice bank trash ice is imported in ice bank store.Whole equipment is simple to operate easily, easy to use, and whole equipment volume is less, can be with Assembling, convenient transport；
(2) the ice sheet stratified sampling equipment of the present invention is provided with multiple ice body sampling box, it is possible to achieve layering is opened ice and Stratified Sampling, will not destroy ice sheet structure, thus provide Reliable guarantee for ice sheet layering research.
Accompanying drawing explanation
Below in conjunction withAccompanying drawingThe invention will be further described with embodiment.
Figure 1aIt it is the velocity flow profile under free flowFigure；
Figure 1bFor the velocity flow profile under ice sheetFigure；
Figure 2Overall signal for the ice body sampling box in the ice sheet stratified sampling equipment of embodiment oneFigure；
Figure 3It is that the overall of swingle in the ice sheet stratified sampling equipment of embodiment one is illustratedFigure；
Figure 4It isFigure 3In A-A section viewFigure；
Figure 5It is that the overall of ice sheet stratified sampling equipment in embodiment two is illustratedFigure；
Figure 6Overall signal for the latch in embodiment fiveFigure；
Figure 7Illustrate for the swingle in embodiment sixFigure；
Figure 8Overall signal for the force part in embodiment sevenFigure；
Figure 9Overall signal for the support section in embodiment eightFigure；
Figure 10ForFigure 9In B-B section viewFigure；
Figure 11For sampling signal in embodiment nineFigure。
Detailed description of the invention
Embodiment one:
A kind of ice sheet stratified sampling equipment, it includes sampling part and force part.
Described sampling part includes at least one ice body sampling box.The concrete structure of ice body sampling box seesFigure 2, described ice body sampling box 100 includes the ice bank 110 of inner hollow and leads ice bank 120；Described the first end opening leading ice bank connects with described ice bank 110, described in lead the second end opening of ice bank 120 and be positioned at the outside of described ice bank 110.Described the second end opening leading ice bank 120 is provided with the ice breaking tooth 130 leading ice bank 120 described in protruding from.Ice breaking tooth 130 i.e. dentation sampling head, the global shape of single ice breaking tooth is triangle or trapezoidal, and multiple dentation sampling head scattering devices thus reach the purpose of trash ice on the second end opening lead ice bank.The main purpose of ice body sampling box is that trash ice gathers ice body sample with storage, and trash ice leads ice bank by leading the second end opening entrance of ice bank, then by leading the first end opening entrance ice bank storage of ice bank.
SeeFigure 3, described force part includes swingle 200, is additionally provided with the rotating hole 111 of through described ice bank 110 on described ice bank 110；Described swingle 200 drives described ice body sampling box 100 to rotate through described rotating hole 111；The shape of described swingle 200 should be with the mating shapes of described rotating hole 111.Above-mentioned ice body sampling box rotates under the drive of swingle, gets final product trash ice when ice breaking tooth contacts with ice body thus completes sampling.
Ice bank 110 in the present embodiment at least has base plate, is preferably also equipped with upper cover, so ensure that the trash ice that sampling obtains is separated completely.Additionally the shape of ice bank does not limits, preferably round.The height of ice bank and volume can determine according to actual needs.
It addition, the bearing of trend of ice breaking tooth is preferably towards the center of ice bank, say, that ice breaking tooth towards preferably the most consistent with the direction of rotation of ice body sampling box.
Further, when arranging multiple ice body sampling box, in order to avoid there is relative motion between ice body sampling box, the upper cover and base plate of ice bank are provided with buckle structure.
Meanwhile, in order to fix ice body sampling box, it is additionally provided with latch in the end of described swingle 200.
The ice sheet stratified sampling equipment of the present embodiment is provided with multiple ice body sampling box, each ice body sampling box all can corresponding corresponding ice sheet, corresponding ice sheet can be pulverized by the ice breaking tooth of each ice body sampling box and then import in respective ice bank by respective ice bank of leading, achieve layering to open ice and Stratified Sampling, ice sheet structure will not be destroyed, the trash ice mixing of different ice sheet will not be made, thus provide Reliable guarantee for ice sheet layering research.The ice sheet stratified sampling equipment of the present embodiment can transport with split, assembles during use, and the most whole equipment volume is less, is very suitable for field and uses；Manually or electronic make swingle rotate can complete sampling, simple to operate easily, easy to use.
Embodiment two
The present embodiment is the improvement carried out on the basis of embodiment one, is the improvement to the multiple ice body sampling boxes in embodiment one.Sampling part in the present embodiment is provided with plural ice body sampling box, and plural described ice body sampling box stacking is placed, and the relative position of the ice breaking tooth of each described ice body sampling box is different.During use, swingle is through the rotating hole of all of ice body sampling box, drives all ice body sampling boxes to rotate simultaneously.Owing to the relative position of the ice breaking tooth of each ice body sampling box is different, the most all of ice breaking tooth does not contact with ice sheet simultaneously, but the time contacted with ice sheet mutually staggers, and so arranges and can reduce the revolving force applying swingle, thus is more prone to operation.
Preferably, described in two or more, ice body sampling box stacks gradually from top to bottom, and the ice breaking tooth of ice body sampling box described in two or more is the most successively away from the direction certain angular interval at center of described ice body sampling box.That is along with the rotation of swingle, the ice breaking tooth of uppermost ice body sampling box contacts with ice sheet at first, and the ice breaking tooth of other ice body sampling boxes contacts with ice sheet successively, so arranges and preferably ice sheet can be carried out stratified sampling.SeeFigure 5,Figure 5In be provided with 7 ice body sampling boxes, be respectively the first ice body sampling box the 101, second ice body sampling box the 102, the 3rd ice body sampling box the 103, the 4th ice body sampling box the 104, the 5th ice body sampling box the 105, the 6th ice body sampling box 106 and the 7th ice body sampling box 107, these 7 ice body sampling boxes from top to bottom (Figure 5Shown direction) stack gradually, during use, the ice breaking tooth of the first ice body sampling box 101 contacts with ice sheet at first, the second ice body sampling box the 102, the 3rd ice body sampling box the 103, the 4th ice body sampling box the 104, the 5th ice body sampling box the 105, the 6th ice body sampling box 106 contacts with ice sheet successively with the ice breaking tooth of the 7th ice body sampling box 107.
Further, the interval angles between adjacent two described ice breaking tooths is 3 degree to 7 degree, preferably 5 degree.This interval angles can reach the balance of interaction power and sample effect to greatest extent.
More excellent, seeFigure 5, the border line leading ice bank of ice body sampling box is involute, and the bearing of trend of described ice breaking tooth is consistent with the bearing of trend of the described border line leading ice bank, and the involuted angle degree of the border line leading ice bank of ice body sampling box described in two or more is gradually increased.The trash ice ability that ensure that ice breaking tooth is so set, avoids ice breaking tooth to damage simultaneously, extend the service life of ice breaking tooth.
Embodiment three
The present embodiment is the improvement carried out on the basis of embodiment one, is to the improvement leading ice bank in embodiment one.SeeFigure 1, in the present embodiment, described in lead ice bank be deep-slotted chip breaker.That is the border line leading ice bank is camber line, leads the border line that inner edge line is ice bank of ice bank, but the border line leading ice bank is different from the corner cut of the camber line of the inner edge line leading ice bank, and the corner cut of border line is more than the corner cut of inner edge line.The leading ice bank and simultaneously also can produce motive force so that trash ice quickly enters ice bank along leading ice bank when ice body sampling box rotates of arc.It addition, the ice bank of leading of arc makes the equal rounding off of outer rim of whole ice body sampling box, there's almost no corner angle.The border line leading ice bank can be involute, so can be imported by this layer of trash ice rapidly, thus avoid the trash ice with other ice sheets to mix.
On the other hand, the area of the first end opening leading ice bank can be more than the area of the second end opening, or the first end opening leading ice bank is located immediately on the outer wall of ice bank, trash ice so can be made to quickly enter ice bank and lead in ice bank without being blocked in.
Embodiment four
The present embodiment is the improvement carried out on the basis of embodiment one, is to the swingle in embodiment one and the improvement of the shape of rotating hole.
SeeFigure 1WithFigure 4, the cross sectional shape of the described rotating hole of ice bank 110 is convex, and the cross sectional shape of described swingle is convex.River course ice body is on-the-spot in the wild, and the ice thickness in river course is not uniform, sometimes can differ the layering quantity difference needed for several times, the most each sampled point, and ice age field work condition is poor, and the equipment of operation wants simple could improve operating efficiency.Use convex to be designed to well solve the problems referred to above, need purpose ice body sampling box being increased or decreased easily to reach to adapt to different ice thickness according to scene.More excellent, seeFigure 4The cross sectional shape of described swingle 200 includes that interconnective circular portion 210 and rectangular projections divide 220, circular portion 210 can reduce the friction between swingle and ice body sampling box, and rectangular projections divides 220 swingle can be made to block ice body sampling box thus drives ice body sampling box to rotate.
Embodiment five
The present embodiment is the improvement carried out on the basis of embodiment four, is the improvement to the latch in embodiment four.SeeFigure 6, described latch 230 entirety in the present embodiment is in " door " shape, and the rectangular projections of described swingle divides the 220 central idle parts snapping in latch 230.SeeFigure 6, latch 230 is provided with locking screw hole 231, uses screw to get final product locking, directly withstand on convex swingle fixing after screw means, simple and convenient.Arrange latch to be prevented from ice body sampling box and drop, can preferably control the height of sampling of ice body sampling box simultaneously.
Embodiment six
The present embodiment is the improvement carried out on the basis of any of the above embodiment, is the improvement to force part.Swingle can manually exert a force can also electric force application.The present embodiment uses manually force, seesFigure 7, operation handle 240 it is provided with in the end of swingle 200.This in order to some field does not has power supply can only manually operated setting.
Embodiment seven
The present embodiment is the improvement carried out on the basis of any of the above embodiment, is the improvement to force part.The present embodiment uses and drives motor to drive swingle to rotate.
SeeFigure 8, described force part also includes driving motor 310, and described driving motor 310 is connected with described swingle 200 and drives described swingle to rotate.Use motorized motions can drive ice body sampling box very easily thus complete stratified sampling, ensure that the accuracy of sampling simultaneously.
Further, seeFigure 8, described force part also includes that change-speed gearing 320, described change-speed gearing 320 are meshed with described driving motor 310, and described swingle 200 is arranged on described change-speed gearing 320.Arrange change-speed gearing to reduce power of motor and alleviate weight, and increase driving force simultaneously so that ice body sampling box can crush smoothly and collect ice body.
More excellent, it is also possible to described driving motor 310 and change-speed gearing 320 are arranged in force pedestal 330, so that whole force part becomes an entirety, convenient installation and carrying.
Embodiment eight
The present embodiment is the improvement carried out on the basis of embodiment seven.The present embodiment is provided with support section further.Support section is used for fixing force part, so that swingle can drive ice body sampling box to rotate.
SeeFigure 9WithFigure 10, described support section includes for placing supporting pedestal 410 and being arranged on the support bar 420 below described support pedestal 410 of described force pedestal；One end of described support bar 420 is provided with supported hole 421.Support bar is at least two, is preferably provided with 4 support bars in the present embodiment, and support bar includes tilting section and horizontal segment, and tilting section is connected with supporting pedestal, and horizontal segment is provided with supported hole.During use, horizontal segment is placed on ice sheet, then support nail 430 is squeezed into supported hole and support section can be fixed, then the force pedestal etc. of force part is put into support pedestal and force part can be fixed.The shape of force pedestal and the shape of support pedestal preferably match.
SeeFigure 10, described support pedestal entirety is rectangular, and described force pedestal entirety is the most rectangular.
When ice sheet stratified sampling equipment in the present embodiment uses, first fixed support portion divides, and is then put into by drive part in the support pedestal of support section and fixes, be next sequentially fixed on swingle by ice body sampling box, finally snaps in latch and fix.The quantity of ice body sampling box determines according to actual needs.
Embodiment nine
The present embodiment provides a kind of ice sheet method of sampling using ice sheet stratified sampling equipment, and when it does not includes support section, it comprises the steps:
S100: perforate on ice sheet；
S200: inserted in the hole by ice sheet stratified sampling equipment, makes the side of ice body sampling box be close to ice body simultaneously；
S300: manual or startup drives motor to make swingle rotate can complete stratified sampling.
And when ice sheet stratified sampling equipment includes support section, the ice sheet method of sampling comprises the steps:
S100: perforate on ice sheet；
S110: the support section of ice sheet stratified sampling equipment is fixed on ice sheet；
S200: seeFigure 11, ice sheet stratified sampling equipment is inserted in the hole, makes the side of ice body sampling box be close to ice body simultaneously；
S300: manual or startup drives motor to make swingle rotate can complete stratified sampling.
Finally it should be noted that, below only in order to technical scheme to be described and unrestricted, although the present invention being described in detail with reference to preferred arrangement scheme, it will be understood by those within the art that, technical scheme (connected mode of the most whole device, each annexation etc.) can be modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. an ice sheet stratified sampling equipment, it is characterised in that: include sampling part and force part；
Wherein said sampling part includes that at least one ice body sampling box, described ice body sampling box include the ice bank of inner hollow and lead ice bank；Described the first end opening leading ice bank connects with described ice bank, described in lead the second end opening of ice bank and be positioned at the outside of described ice bank, described the second end opening leading ice bank is provided with the ice breaking tooth leading ice bank described in protruding from；Described ice bank is additionally provided with the rotating hole of through described ice bank；
Described force part includes swingle, and described swingle drives described ice body sampling box to rotate through described rotating hole；The shape of described swingle and the mating shapes of described rotating hole；It is additionally provided with latch in the end of described swingle.
Ice sheet stratified sampling equipment the most according to claim 1, it is characterised in that: described sampling part includes two or more ice body sampling box, and plural described ice body sampling box stacking is placed, and the relative position of the ice breaking tooth of each described ice body sampling box is different.
Ice sheet stratified sampling equipment the most according to claim 2, it is characterized in that: described in two or more, ice body sampling box stacks gradually from top to bottom, the ice breaking tooth of ice body sampling box described in two or more is the most successively away from the direction certain angular interval at center of described ice body sampling box.
Ice sheet stratified sampling equipment the most according to claim 3, it is characterised in that: the interval angles between adjacent two described ice breaking tooths is 3 degree to 7 degree.
Ice sheet stratified sampling equipment the most according to claim 1, it is characterised in that leading ice bank described in: is deep-slotted chip breaker.
Ice sheet stratified sampling equipment the most according to claim 1, it is characterised in that: the cross sectional shape of described rotating hole is convex, and the cross sectional shape of described swingle is convex.
Ice sheet stratified sampling equipment the most according to claim 7, it is characterised in that: the cross sectional shape of described swingle includes that interconnective circular portion and rectangular projections divide；
Described latch is overall in " door " shape, and the rectangular projections of described swingle divides and snaps in described latch.
8. according to the ice sheet stratified sampling equipment described in claim 1 to 7 any one, it is characterised in that: described force part also includes the operation handle being arranged on the end of swingle.
9. according to the ice sheet stratified sampling equipment described in claim 1 to 7 any one, it is characterised in that: described force part also includes driving motor, and described driving motor is connected with described swingle and drives described swingle to rotate.
10. the ice sheet method of sampling of the ice sheet stratified sampling equipment that one kind uses described in claim 1 to 12 any one, it is characterised in that: comprise the steps:
S100: perforate on ice sheet；
S200: inserted in the hole by ice sheet stratified sampling equipment, makes the side of ice body sampling box be close to ice body simultaneously；
S300: manual or startup drives motor to make swingle rotate can complete stratified sampling.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107702940A (en) * | 2017-09-20 | 2018-02-16 | 哈尔滨工程大学 | A kind of test specimen sampler for ice mechanics experiment |
| CN110954363A (en) * | 2019-11-28 | 2020-04-03 | 大连经济技术开发区排水管理有限公司 | Layered sampling device for sewage pool of sewage plant |
| CN110987515A (en) * | 2019-11-26 | 2020-04-10 | 张小娟 | Soil depth layering pretreatment detection system and detection method thereof |
| CN111141546A (en) * | 2020-01-16 | 2020-05-12 | 广东佛山地质工程勘察院 | Soil sampling device |
| CN111521434A (en) * | 2019-02-01 | 2020-08-11 | 上海交通大学 | Synchronous measurement method for vertical distribution of suspended fine particulate matters in river |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107702940A (en) * | 2017-09-20 | 2018-02-16 | 哈尔滨工程大学 | A kind of test specimen sampler for ice mechanics experiment |
| CN107702940B (en) * | 2017-09-20 | 2020-02-14 | 哈尔滨工程大学 | A test piece sampling device for ice mechanical test |
| CN111521434A (en) * | 2019-02-01 | 2020-08-11 | 上海交通大学 | Synchronous measurement method for vertical distribution of suspended fine particulate matters in river |
| CN110987515A (en) * | 2019-11-26 | 2020-04-10 | 张小娟 | Soil depth layering pretreatment detection system and detection method thereof |
| CN110954363A (en) * | 2019-11-28 | 2020-04-03 | 大连经济技术开发区排水管理有限公司 | Layered sampling device for sewage pool of sewage plant |
| CN111141546A (en) * | 2020-01-16 | 2020-05-12 | 广东佛山地质工程勘察院 | Soil sampling device |
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|---|---|
| CN105928738B (en) | 2018-12-21 |
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