CN104849095A - Inertial differential unlocking spring impact type collector of bottom sediment sample - Google Patents
Inertial differential unlocking spring impact type collector of bottom sediment sample Download PDFInfo
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- CN104849095A CN104849095A CN201510248889.XA CN201510248889A CN104849095A CN 104849095 A CN104849095 A CN 104849095A CN 201510248889 A CN201510248889 A CN 201510248889A CN 104849095 A CN104849095 A CN 104849095A
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Abstract
The invention relates to an inertial differential unlocking spring impact type collector of a bottom sediment sample. The inertial differential unlocking spring impact type collector comprises an outer frame device, a nozzle sampling device, a spring impact device and an inertial differential unlocking device. According to the inertial differential unlocking spring impact type collector, the structural design of a chained inertial differential unlocking-spring impact device is utilized, so as to realize the purpose of collecting the bottom sediment sample in the condition of no extraneous source power, and on the basis of an elastic principle, the bottom sediment sample can be instantaneously collected, so as to avoid water erosion. According to the inertial differential unlocking spring impact type collector, the problem that an existing underwater sampling device has difficulty in considering the sampling representativeness and the adaptability to different bottom sediment samples on the basis that destructive sampling is reduced as far as possible can be solved. The inertial differential unlocking spring impact type collector can adapt to different water depth and current conditions and has the advantages of strong reliability and simplicity and convenience in maintenance; if the inertial differential unlocking spring impact type collector can be made into an array and is integrated with automatic lifting machinery, the purpose of quickly collecting bottom sediment samples in different positions with high throughput can be realized.
Description
Technical field
The present invention relates to a kind of underwater sediment sample collector, especially relate to the collector of the differential spring impact type underwater sediment sample of unblanking of a kind of inertia.
Background technology
In environmental monitoring field, sampling evidence obtaining work is carried out to study the pollution condition of benthal deposit to water-bed drift (solid waste as to the illegal dumping of rivers water body); Historical relic Exploration Domain to the sampling of water-bed mud layer with in conjunction with isotope authentication method to water-bed ancient times traces age carry out that the work such as textual criticism all need easily and effectively, reliability by force, wide accommodation and the underwater sediment sample device of easy maintenance, the samples such as underwater sediment effectively can be taked rapidly for follow-up assay with minimum cost.
The mainly bucket type excavating equipment applied in above-mentioned field at present, this kind equipment is not mostly sampling for underwater sediment and custom-designed, wherein main problem is: the structure that (1) bucket type excavating equipment does not close, the different drift of grain thickness can not be gathered simultaneously, there is no sufficient sample representativeness; (2) destructiveness of general this kind of bucket is stronger and wayward, is difficult to accomplish the harmless sampling of original position, samples substantially inapplicable under the water-bed mud layer for archaeology field; (3) the water-bed sampling equipment of current major part is all drive by exogenous powers such as electric power, and its reliability and maintainability of operation is not strong under water.
Summary of the invention
Object of the present invention is exactly provide the collector of the differential spring impact type underwater sediment sample of unblanking of a kind of inertia to overcome defect that above-mentioned prior art exists, this collector can solve that current existing water-bed drift sampling apparatus destructiveness is comparatively strong, sampling is difficult to have original position representativeness, apparatus structure complicated difficult to safeguard and the problem such as steady operation, the adaptability to different drift-water body system can also be taken into account.
The present invention mainly through the differential-spring percussion mechanism structural design of unblanking of inertia of Chain-orientation, to realize the object without taking underwater sediment sample under exogenous power (as power supply etc.) condition.The present invention is based on elastic principle design, underwater sediment sample can taked instantaneously.If the present invention can make array, and integrated with automatic handling machinery, the object that high flux takes water-bed diverse location silt sample fast can also be realized.
Object of the present invention can be achieved through the following technical solutions:
A collector for the differential spring impact type underwater sediment sample of unblanking of inertia, comprises outside framework device, nozzle sampling apparatus, spring percussion mechanism and the differential unlocking apparatus of inertia, wherein,
Outside framework device comprises round jacket cylinder, outer sleeve support, outside framework, and described outer sleeve support is connected up and down with round jacket cylinder, and described outside framework is slidably connected at outside round jacket cylinder;
Nozzle sampling apparatus comprises the sampling cylinder be slidably connected in round jacket cylinder and the sampling cylinder ejecting mechanism be connected with sampling cylinder, before sampling, described sampling cylinder and sampling cylinder ejecting mechanism are all contracted in round jacket cylinder, during sampling, sampling cylinder ejecting mechanism and sampling cylinder eject in round jacket cylinder, sample;
Spring percussion mechanism comprises sampling cylinder slide bar and spring, and described sampling cylinder slide bar is positioned at round jacket cylinder and outer sleeve internal stent, and is connected to sampling cylinder upper end, and described spring housing is located on sampling cylinder slide bar, and the lower end of described spring abuts sampling cylinder;
The differential unlocking apparatus of inertia comprises slips and wedge shape unblanks block, and described slips is located on outer sleeve support, for holding the top of spring on sampling cylinder slide bar, described wedge shape block of unblanking is located at outside framework top, and before sampling, slips blocks the top of spring, make spring-compressed accumulation of energy, during sampling, outside framework declines, and wedge shape block of unblanking washes slips open, spring top is not by the constraint of slips, spring is discharged, and sampling cylinder is ejected round jacket cylinder by spring, samples.
Described sampling cylinder ejecting mechanism comprises folding hinge, profile of tooth shut, flexure strip and shut push rod, described profile of tooth shut by folding hinge and sampling cylinder lower end hinged, described shut push rod is connected to outside profile of tooth shut, described flexure strip one end is connected on sampling cylinder outer wall, the other end is connected on shut push rod, and described profile of tooth shut is provided with four pieces altogether;
Before sampling, described sampling cylinder, flexure strip and shut push rod are all contracted in round jacket cylinder, and described profile of tooth shut is vertically opening state;
During sampling, described sampling cylinder impacts by spring and Action of Gravity Field skids off from round jacket cylinder, flexure strip and shut push rod eject round jacket cylinder, flexure strip flicks shut push rod, shut push rod promotes profile of tooth shut and closes, and forms rectangular pyramid shape confined space, in sampling cylinder is enclosed in by closed profile of tooth shut when four pieces of profile of tooth shuts close, therefore, the mud sample gathered is enclosed in four pieces of profile of tooth shuts and closes in the rectangular pyramid shape confined space of composition.
Suspention hawser is connected by suspension ring above described outer sleeve support.
The lower end of described outside framework is provided with anti-skidding positioning tooth, and when device sinks to the bottom, anti-skidding positioning tooth inserts in the mud in riverbed, plays the effect of location.
Outside framework spacing ring is provided with, the sliding distance of this outside framework spacing ring restriction outside framework outside described round jacket cylinder.During sampling, discharge this collector, under gravity, outside framework is rapidly along round jacket cylinder slide downward, and when encountering outside framework spacing ring, the slip of outside framework stops.
Described sampling cylinder slide bar upper end is provided with the limited block that restraining spring ejects sampling cylinder slide bar, and the range limited position block of springing up and down of spring and sampling cylinder top limit.
Described limited block upper end is provided with spring-compressed draw ring, sampling cylinder slide bar is pulled to slide up and down by spring-compressed draw ring, hold by slips at spring upper end, when lower end is by sampling cylinder restriction, to pull-up spring-compressed draw ring, make spring by compress energy storage, the energy of spring samples for finally utilizing elastic force to be impacted by sampling cylinder to insert in the mud in riverbed downwards.
Described sampling cylinder is rectangularly-sampled cylinder.
Compared with prior art, the present invention has the following advantages and beneficial effect:
1, the present invention is based on elastic principle design, underwater sediment sample can taked instantaneously, be applicable to the sampling in the water-bed situation of the more rapid complexity of current.
2, disobey outer driving source, only needing hawser to hang can use, and can adapt to different depth of water situations, and reliability is strong, easy maintenance.
3, the nozzle sampling apparatus of this collector adopts four pieces of profile of tooth shuts can form rectangular pyramid shape confined space to preserve sample, can gather simultaneously and preserve the different drift of grain thickness and even comprise the moisture contained in mud, fully can ensure the representativeness of sample.
4, the rectangularly-sampled cylinder designed by this collector and supporting nozzle sampling apparatus adopt destructive less insertion-sampling mode, can accomplish the harmless sampling of original position, the relatively harmless water-bed drift taking different shape and the moisture content that contains thereof are together as sample.
If 5, the present invention can make array, and integrated with automatic handling machinery, the object that high flux takes water-bed diverse location silt sample fast can also be realized.
Accompanying drawing explanation
Fig. 1 is collector of the present invention sampling pre-structure schematic diagram;
Structural representation when Fig. 2 is collector of the present invention sampling;
Fig. 3 is inertia differential unlocking apparatus plan structure schematic diagram;
Fig. 4 is nozzle sampling apparatus sampling pre-structure schematic diagram;
Fig. 5 is structural representation after the sampling of nozzle sampling apparatus.
Number in the figure: 1 is suspention hawser, and 2 is suspension ring, and 3 is spring-compressed draw ring, 4 is limited block, and 5 is slips, and 6 is outer sleeve support, 7 to unblank block for wedge shape, and 8 is outside framework, and 9 is outside framework spacing ring, 10 is spring, and 11 is sampling cylinder slide bar, and 12 is round jacket cylinder, 13 is sampling cylinder, and 14 is shut push rod, and 15 is folding hinge, 16 is profile of tooth shut, and 17 is flexure strip, and 18 is anti-skidding positioning tooth.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
The collector of the differential spring impact type underwater sediment sample of unblanking of a kind of inertia, as shown in Figure 1 and Figure 2, comprise outside framework device, nozzle sampling apparatus, spring percussion mechanism and the differential unlocking apparatus of inertia, wherein, outside framework device comprises round jacket cylinder 12, outer sleeve support 6, outside framework 8, outer sleeve support 6 is connected with round jacket cylinder about 12, outside framework 8 is slidably connected at outside round jacket cylinder 12, the lower end of outside framework 8 is provided with anti-skidding positioning tooth 18, when device sinks to the bottom, anti-skidding positioning tooth 18 inserts in the mud in riverbed, plays the effect of location.Be provided with outside framework spacing ring 9 outside round jacket cylinder 12, this outside framework spacing ring 9 limits the sliding distance of outside framework 8.During sampling, discharge this collector, under gravity, outside framework 8 is rapidly along round jacket cylinder 12 slide downward, and when encountering outside framework spacing ring 9, the slip of outside framework 8 stops.Suspention hawser 1 is connected by suspension ring 2 above outer sleeve support 6.
Shown in figure 4, Fig. 5, nozzle sampling apparatus comprises the sampling cylinder 13 be slidably connected in round jacket cylinder 12 and the sampling cylinder ejecting mechanism be connected with sampling cylinder 13, sampling cylinder ejecting mechanism comprises folding hinge 15, profile of tooth shut 16, flexure strip 17 and shut push rod 14, profile of tooth shut 16 is hinged by folding hinge 15 and sampling cylinder 13 lower end, shut push rod 14 is connected to outside profile of tooth shut 16, flexure strip 17 one end is connected on sampling cylinder 13 outer wall, the other end is connected on shut push rod 14, and profile of tooth shut 16 is provided with four pieces altogether;
Before sampling, sampling cylinder 13, flexure strip 17 and shut push rod 14 are all contracted in round jacket cylinder 12, and profile of tooth shut 16 is vertically opening state; During sampling, sampling cylinder 13 impacts by spring and Action of Gravity Field skids off from round jacket cylinder 12, flexure strip 17 and shut push rod 14 eject round jacket cylinder 12, flexure strip 17 flicks shut push rod 14, shut push rod 14 promotes profile of tooth shut 16 and closes, rectangular pyramid shape confined space is formed when four pieces of profile of tooth shuts 16 close, in sampling cylinder 13 is enclosed in by closed profile of tooth shut 16, therefore, the mud sample gathered is enclosed in four pieces of profile of tooth shuts and closes in the rectangular pyramid shape confined space of composition.
Spring percussion mechanism comprises sampling cylinder slide bar 11 and spring 10, and it is inner with outer sleeve support 6 that sampling cylinder slide bar 11 is positioned at round jacket cylinder 12, and be connected to sampling cylinder 13 upper end, and spring 10 is set on sampling cylinder slide bar 11, and the lower end of spring 10 abuts sampling cylinder 13; Sampling cylinder slide bar 11 upper end is provided with the limited block 4 that restraining spring 10 ejects sampling cylinder slide bar 11, and the range limited position of springing up and down block 4 and sampling cylinder 13 top of spring 10 limit.Limited block 4 upper end is provided with spring-compressed draw ring 3, sampling cylinder slide bar 11 is pulled to slide up and down by spring-compressed draw ring 3, hold by slips 5 in spring 10 upper end, when lower end limits by sampling cylinder 13, to pull-up spring-compressed draw ring 3, make spring 10 by compress energy storage, the energy of spring samples for finally utilizing elastic force to be impacted by sampling cylinder to insert in the mud in riverbed downwards.
With reference to figure 3, the differential unlocking apparatus of inertia comprises slips 5 and wedge shape unblanks block 7, slips 5 is located on outer sleeve support 6, for holding the top of spring 10 on sampling cylinder slide bar 11, wedge shape block 7 of unblanking is located at outside framework 8 top, before sampling, slips 5 blocks the top of spring 10, makes spring 10 compress energy storage, during sampling, outside framework 8 declines, wedge shape block 7 of unblanking washes slips 5 open, and spring 10 top by the constraint of slips 5, does not make spring 10 discharge, sampling cylinder 13 is ejected round jacket cylinder 12 by spring 10, samples.
In the present embodiment, sampling cylinder 13 is rectangularly-sampled cylinder.
When using the collector of the present embodiment, after the water surface is determined intend sampling location, first extension spring compression draw ring 3 also locks slips 5, lays in certain elastic potential energy in spring percussion mechanism, is then vertically placed on directly over plan sampling location by this sample collector with suspention hawser 1.Release suspention hawser 1, under gravity, the anti-skidding positioning tooth 18 on outside framework 8 rapidly along round jacket cylinder 12 slide downward, and inserts in the mud in riverbed when device sinks to the bottom by the outside framework 8 of sample collector, plays positioning action.While device sinks to the bottom pause, because the double action round jacket cylinder 12 of inertia and gravity will continue sharp downward movement, wedge shape on it is unblanked block 7 and then wash slips 5 open, and the elastic potential energy stored in retracting spring 10 also makes sampling cylinder 13 continue to impact in the mud inserting riverbed downwards by elastic force effect; After sampling cylinder 13 ejects certain distance, shut push rod 14 also jumps out round jacket cylinder 12 thereupon, under the effect of flexure strip 17, promote four pieces of profile of tooth shuts 16 close, gathered mud sample is enclosed in the rectangular pyramid shape confined space of the closed composition of four pieces of profile of tooth shuts 16.By suspension ring 2, collector is lifted out the water surface after sampling terminates, the sample be enclosed in sampling cylinder 13 can be obtained.
Above-mentioned is can understand and use invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (8)
1. a collector for the differential spring impact type underwater sediment sample of unblanking of inertia, is characterized in that, comprise outside framework device, nozzle sampling apparatus, spring percussion mechanism and the differential unlocking apparatus of inertia, wherein,
Outside framework device comprises round jacket cylinder (12), outer sleeve support (6), outside framework (8), described outer sleeve support (6) is connected up and down with round jacket cylinder (12), and described outside framework (8) is slidably connected at round jacket cylinder (12) outside;
Nozzle sampling apparatus comprises the sampling cylinder (13) be slidably connected in round jacket cylinder (12) and the sampling cylinder ejecting mechanism be connected with sampling cylinder (13), before sampling, described sampling cylinder (13) and sampling cylinder ejecting mechanism are all contracted in round jacket cylinder (12), during sampling, sampling cylinder ejecting mechanism and sampling cylinder (13) eject in round jacket cylinder (12), sample;
Spring percussion mechanism comprises sampling cylinder slide bar (11) and spring (10), it is inner with outer sleeve support (6) that described sampling cylinder slide bar (11) is positioned at round jacket cylinder (12), and be connected to sampling cylinder (13) upper end, described spring (10) is set on sampling cylinder slide bar (11), and the lower end of described spring (10) abuts sampling cylinder (13);
The differential unlocking apparatus of inertia comprises slips (5) and wedge shape unblanks block (7), described slips (5) is located on outer sleeve support (6), for holding the top of the upper spring (10) of sampling cylinder slide bar (11), described wedge shape block (7) of unblanking is located at outside framework (8) top, before sampling, slips (5) blocks the top of spring (10), make spring (10) compress energy storage, during sampling, outside framework (8) declines, wedge shape block (7) of unblanking washes slips (5) open, spring (10) is discharged, sampling cylinder (13) is ejected round jacket cylinder (12) by spring (10), sample.
2. the collector of the differential spring impact type underwater sediment sample of unblanking of a kind of inertia according to claim 1, it is characterized in that, described sampling cylinder ejecting mechanism comprises folding hinge (15), profile of tooth shut (16), flexure strip (17) and shut push rod (14), described profile of tooth shut (16) is hinged by folding hinge (15) and sampling cylinder (13) lower end, described shut push rod (14) is connected to profile of tooth shut (16) outside, described flexure strip (17) one end is connected on sampling cylinder (13) outer wall, the other end is connected on shut push rod (14),
Before sampling, described sampling cylinder (13), flexure strip (17) and shut push rod (14) are all contracted in round jacket cylinder (12), and described profile of tooth shut (16) is vertically opening state;
During sampling, described sampling cylinder (13) impacts by spring and Action of Gravity Field skids off from round jacket cylinder (12), flexure strip (17) and shut push rod (14) eject round jacket cylinder (12), flexure strip (17) flicks shut push rod (14), shut push rod (14) promotes profile of tooth shut (16) and closes, in sampling cylinder (13) is enclosed in by closed profile of tooth shut (16).
3. the collector of the differential spring impact type underwater sediment sample of unblanking of a kind of inertia according to claim 2, it is characterized in that, described profile of tooth shut (16) is provided with four pieces altogether, composition rectangular pyramid shape confined space when four pieces of profile of tooth shuts (16) are closed.
4. the collector of the differential spring impact type underwater sediment sample of unblanking of a kind of inertia according to claim 1, is characterized in that, described outer sleeve support (6) top connects suspention hawser (1) by suspension ring (2).
5. the collector of the differential spring impact type underwater sediment sample of unblanking of a kind of inertia according to claim 1, it is characterized in that, the lower end of described outside framework (8) is provided with anti-skidding positioning tooth (18).
6. the collector of the differential spring impact type underwater sediment sample of unblanking of a kind of inertia according to claim 1, it is characterized in that, described round jacket cylinder (12) outside is provided with outside framework spacing ring (9), the sliding distance of this outside framework spacing ring (9) restriction outside framework (8).
7. the collector of the differential spring impact type underwater sediment sample of unblanking of a kind of inertia according to claim 1, it is characterized in that, described sampling cylinder slide bar (11) upper end is provided with the limited block (4) that restraining spring (10) ejects sampling cylinder slide bar (11), and the range limited position of springing up and down block (4) and sampling cylinder (13) top of spring (10) limit.
8. the collector of the differential spring impact type underwater sediment sample of unblanking of a kind of inertia according to claim 7, it is characterized in that, described limited block (4) upper end is provided with spring-compressed draw ring (3), pull sampling cylinder slide bar (11) to slide up and down by spring-compressed draw ring (3), the spring (10) on it is compressed.
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| CN105888671A (en) * | 2016-04-29 | 2016-08-24 | 浙江海洋大学 | Marine mineral gripping device and collecting method thereof |
| CN105909250A (en) * | 2016-04-29 | 2016-08-31 | 浙江海洋大学 | Seabed mineral product collection device and method |
| CN106979868A (en) * | 2017-05-04 | 2017-07-25 | 华中科技大学 | A kind of trigger-type benthal deposit sampling apparatus |
| CN107063770A (en) * | 2017-03-21 | 2017-08-18 | 上海河口海岸科学研究中心 | A kind of nearly bottom multilayer in sublittoral region region based on transmission-light turbidity instrument control hangs the acquisition method and its device of sand-like product |
| CN107907361A (en) * | 2017-12-14 | 2018-04-13 | 中国科学院深海科学与工程研究所 | A kind of underwater sediment(s) sampler |
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| CN107063770A (en) * | 2017-03-21 | 2017-08-18 | 上海河口海岸科学研究中心 | A kind of nearly bottom multilayer in sublittoral region region based on transmission-light turbidity instrument control hangs the acquisition method and its device of sand-like product |
| CN107063770B (en) * | 2017-03-21 | 2023-09-15 | 上海河口海岸科学研究中心 | Device and method for collecting near-bottom multilayer suspended sand samples in sub-tidal zone area based on transmitted light turbidity meter control |
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| CN106979868A (en) * | 2017-05-04 | 2017-07-25 | 华中科技大学 | A kind of trigger-type benthal deposit sampling apparatus |
| CN107907361A (en) * | 2017-12-14 | 2018-04-13 | 中国科学院深海科学与工程研究所 | A kind of underwater sediment(s) sampler |
| CN107907361B (en) * | 2017-12-14 | 2024-01-16 | 中国科学院深海科学与工程研究所 | Underwater sediment sampling device |
| CN109490015A (en) * | 2018-11-02 | 2019-03-19 | 河海大学 | It is a kind of for preventing the bed-sit sampler of turbulent water in high-velocity flow environment |
| CN110081997A (en) * | 2019-05-22 | 2019-08-02 | 嘉兴勤慎智能技术有限公司 | A kind of maintenance damp-proof type underwater sensor certainly |
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| CN110646239A (en) * | 2019-09-28 | 2020-01-03 | 徐州蓝湖信息科技有限公司 | Sludge sampler based on unmanned aerial vehicle |
| CN112708542A (en) * | 2020-12-17 | 2021-04-27 | 山东省农业科学院畜牧兽医研究所 | Primary muscle cell culture tissue sampling device |
| CN113155522A (en) * | 2021-04-25 | 2021-07-23 | 江苏省地质勘查技术院 | Drill rod for sample collection, comprehensive sample collection device and working method thereof |
| CN115615753A (en) * | 2022-12-19 | 2023-01-17 | 黑龙江省水利科学研究院 | Silt sampling device and sampling method |
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