CN204964246U - Shallow water type does not have disturbance column sediment sample ware - Google Patents
Shallow water type does not have disturbance column sediment sample ware Download PDFInfo
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- CN204964246U CN204964246U CN201520624563.8U CN201520624563U CN204964246U CN 204964246 U CN204964246 U CN 204964246U CN 201520624563 U CN201520624563 U CN 201520624563U CN 204964246 U CN204964246 U CN 204964246U
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Abstract
The utility model provides a shallow water type does not have disturbance column sediment sample ware relates to sampler technical field, include the sampling tube and push away the mud ware, push away the mud ware including pushing away the mud pole and installing the drainage piston at the tip that pushes away the mud pole, the drainage piston slides to inlay and establishes in the sampling tube, the drainage piston is including mutual water strainer of laminating and had the piston main part in water hole. The utility model discloses a shallow water type does not have disturbance column sediment sample ware is provided with the drainage piston, pushes and shove the in -process, and the upper ponding of having avoided the deposit moves and makes each layer problem that the element method changes in the bottom sample, can reflect the prototype structure and the distribution of element of sample more really, the utility model discloses a mode that shallow water type does not have disturbance column sediment sample ware adopted the metal sampling tube to add visible window can guarantee enough that the sampling tube is not breakable, has the sample degree of depth of preferred, can also observe the colour and the layered structure of sample directly perceivedly.
Description
Technical field
The utility model relates to sampler technical field, in particular to a kind of shallow water type Non-perturbation pole-shaped sediment sampler.
Background technology
Column sediment sampler is the major equipment carrying out the sampling of undisturbed bed mud, and its range of application is comparatively wide, and in river, all there is application lake, wetland, marsh, beach, coastal zone and delta etc.In the disciplinary study such as environmental protection, geology and the hydrology, column sediment sampler is an important equipment.
At present, existing column sediment sampler on market, the problems such as great majority also exist complex structure, complex operation, expensive, material is frangible.Such as one common external product column sediment sampler needs several ten thousand yuan, very complicated in structure, needs could use through training separately, although domestic portioned product structure simply, price is also mostly more than several thousand yuan.
When sampling with the bed mud of existing stopple coupon to river bed or other water bottom, sediment upper water can enter in stopple coupon, these sediment upper waters are easy to enter lower floor's bed mud hole pushing away in long-pending process, Partial Elements may move between each layer of soil along with the process of pushing, even destroy the hierarchy of bed mud, thus affect follow-up measurement result.
Utility model content
The purpose of this utility model is to provide a kind of shallow water type Non-perturbation pole-shaped sediment sampler, to improve above-mentioned problem.
The utility model is achieved in that
A kind of shallow water type Non-perturbation pole-shaped sediment sampler, comprise stopple coupon and mud pusher, described mud pusher comprises the drainage piston pushing away mud bar He be arranged on the end pushing away mud bar, described drainage piston can slide and be embedded in stopple coupon, and described drainage piston comprises water strainer bonded to each other and has the piston main body of water hole.
Shallow water type Non-perturbation pole-shaped sediment sampler of the present utility model is provided with drainage piston, drainage piston possesses the function of piston and the function of drainage simultaneously, first the inwall of the bed mud sample gathered in stopple coupon along stopple coupon can be released by drainage piston, secondly drainage piston is before promotion bed mud sample motion, the ponding of bed mud sample top layer can flow to the opposite side of drainage piston through drainage piston, when pushing bed mud sample, the ponding of top layer can not be extruded in bottom sample, element in each layer bed mud also can not move in the process of pushing, thus the sample pushed out can reflect prototype structure and the Elemental redistribution of bed mud sample more realistically.
The axial both sides of drainage piston are respectively outside and inner side, and outside direct and bed mud sample contacts when pushing bed mud sample of drainage piston, piston main body is positioned at the inner side of whole drainage piston, and water strainer is positioned at the outside of drainage piston.Two piston main bodies can also be set certainly, and water strainer be clipped in the middle of two piston main bodies.
Piston main body is made up of hard material, such as stainless steel, alloy, plastics and compound substance etc., and piston main body is provided with water hole.Water strainer has mesh tiny in a large number, and water strainer mainly stops bed mud sample to pass through, and allows water pass through simultaneously.
As preferably, the mesh size of described water strainer is 0.5 ~ 1mm, and the aperture of described water hole is 2.5 ~ 3.5mm.
When the aperture of water strainer is in above-mentioned scope, can ensure that ponding is quickly through water strainer, bed mud sample can be stoped to pass through simultaneously, the too small meeting in water strainer aperture is blocked by bed mud, and it is slow to cross water, affect work efficiency, water strainer aperture is excessive, does not reach the object stoping bed mud to pass through.
Drainage piston can be that to be fixedly connected with also can be removably connect with pushing away between mud bar.
As preferably, described in push away mud bar one end there is thread segment, described water strainer and piston main body are set on described thread segment, and the both sides of described drainage piston are respectively arranged with and the stop nut pushing away mud bar and be threaded.
Be positioned at drainage piston both sides stop nut drainage piston is clamped and is fixed on and push away on mud bar, unscrew stop nut water strainer and piston main body to be disassembled and clean, prevent bed mud from blocking the mesh of water strainer and the water hole of piston main body, facilitate reuse next time.
As preferably, described mud pusher also comprises first handle, and described first handle is connected away from one end of described drainage piston with the described mud bar that pushes away.
Further preferably, described first handle and the described mud bar that pushes away form " T " character form structure.
Arrange first handle be for the ease of user to push away mud bar force, especially first handle with push away mud bar form " T " character form structure time, it is very laborsaving that push-and-pull pushes away mud bar.
Existing sampler selects organic glass as sampler shell to reach visual object, and that is stopple coupon is made up of glass, and this makes stopple coupon very fragile, exerts oneself a little or applies external force i.e. easily fragmentation.This also have impact on the sampling depth of this sampler, and according to the use experience to domestic sampler, its sampling depth, generally within 50cm, is difficult to further deeply, and the section's of can not meet part grinds the needs of project.
As preferably, described stopple coupon is metal tube, and the tube wall of described stopple coupon is provided with the watch window of strip, and the length direction of described watch window is arranged along the axis of stopple coupon, and the tube wall of described stopple coupon is provided with the transparent panel covering described watch window.
In this preferred version, metal material stopple coupon hardness is high, can go deep into sampling further, meet the object of deep sampling, and stopple coupon is provided with visual windows simultaneously, also meets visual demand.
Visual windows is strip, and length direction is along the axis of stopple coupon, and that is stopple coupon has one section of elongated visual windows, intuitively can be arrived the distribution situation of each layer bed mud sample by visual windows.The junction of transparent panel and stopple coupon seals as far as possible, ensures that bed mud sample can not be extruded from visual windows.
The width of certain visual windows can set according to demand, generally do not need very wide, as long as clearly every layer of bed mud sample can be seen, if visual windows is wider, then transparent panel preferably selects arc, ensures that the interior space dimension of each section of stopple coupon is roughly the same as far as possible.
As preferably, described transparent panel is made up of glass or organic glass, and described transparent panel is fixed on inwall or the outer wall of described stopple coupon.
The web member such as screw or rivet can be adopted transparent panel and stopple coupon to be fixed.
As preferably, one end of described stopple coupon is for knocking end, and the other end is provided with cutting head.
When using stopple coupon, only stopple coupon can only be allowed to enter a bit of distance of bed mud with hand, need constantly to knock knocking end stopple coupon just being made to go deep into bed mud further of stopple coupon with iron hammer etc.Cutting head can directly be processed by stopple coupon, also can be to select the cutting head processed to be connected with stopple coupon.So-called cutting head, has the termination of lead-in chamfered exactly, is done by the feed end of stopple coupon thinly also as cutting head, certainly also can to ensure the hardness of cutting head.Cutting head can make bed mud sample more easily enter stopple coupon, so cutting head also has a certain impact to the sampling depth of stopple coupon.
As preferably, the tube wall of described stopple coupon is fixed with second handle, and described second handle and described stopple coupon form " ten " character form structure.
Arranging second handle is exert a force to stopple coupon in order to convenient when pushing sample with mud pusher on the one hand; By hand force, stopple coupon is first pressed into a segment distance in bed mud when being convenient sampling on the other hand.
As preferably, described sampler also comprises the extension pipe be threaded with stopple coupon, and one end of described extension pipe is for knocking end.
Extension pipe and stopple coupon preferably adopt and are threaded, and the outer wall of such as extension pipe arranges screw thread, and the inwall of stopple coupon arranges screw thread.Conveniently two and above extension pipe are connected in addition, can arrange screw thread at the inwall knocking end of extension pipe, the outer wall that the other end is arranged arranges screw thread, is convenient to the connection of multistage extension pipe like this.
As preferably, described in knock end and be provided with thickening layer.
Stopple coupon and extension pipe all have and knock end, preferably all arrange thickening layer at their end that knocks.So-called thickening layer, exactly at the outer wall knocking end by welding or being threaded or the mode such as one-body molded fixes layer of metal layer, to strengthen the hardness of knocking end, prevent knocking end and deform in by the process of knocking.
As preferably, described sampler also comprise can be set in described in knock the impact cap in the outside of end.
Impact cap is also referred to as striking head, and impact cap knocks end for what be set in stopple coupon or extension pipe.During sampling and when pushing bed mud sample, all need impact cap to unload, only just use impact cap when needs beat and knock end.The effect of impact cap is also the anti-strike ability strengthening knocking end, effect and the thickening layer of impact cap are slightly different, impact cap can play impulsive force when buffering dispersion impacts on the one hand, impact cap can be avoided knocking holding and directly directly contact with outside impact equipment such as iron hammer etc. on the other hand, avoid knocking end distortion, after knocking end distortion, the connection of stopple coupon and extension pipe or the connection between extension pipe and extension pipe can be affected.
The beneficial effect that the utility model realizes:
(1) shallow water type Non-perturbation pole-shaped sediment sampler of the present utility model is provided with drainage piston, push in process, the upper strata ponding avoiding bed mud sample moves in bottom sample the problem that each layer By The Boundary Element Method is changed, and can reflect prototype structure and the Elemental redistribution of sample more realistically.
(2) shallow water type Non-perturbation pole-shaped sediment sampler of the present utility model adopts metal coupon to add the mode of visual windows, can either ensure that stopple coupon is non-friable, there is again preferably sampling depth, color and the hierarchy of sample can also be observed intuitively.
(3) shallow water type Non-perturbation pole-shaped sediment sampler of the present utility model is also provided with thickening layer at the end that knocks at stopple coupon, increase the intensity of knocking end, also be provided with the impact cap that can be set in and knock end, further enhancing the anti-strike ability of stopple coupon, stopple coupon is not yielding by shots; In addition, then coordinate extension pipe can obtain the bed mud sample of more deep layer.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the shallow water type Non-perturbation pole-shaped sediment sampler of embodiment 1 of the present utility model;
Fig. 2 shows the partial longitudinal cross section of cutting head;
Fig. 3 shows the longitudinal sectional drawing of attacking head;
Fig. 4 shows the structural representation of mud pusher;
Fig. 5 shows the a-quadrant partial enlarged drawing of Fig. 2;
Fig. 6 shows the front view of water strainer and piston main body;
Fig. 7 shows the structural representation of the extension pipe of the shallow water type Non-perturbation pole-shaped sediment sampler of embodiment 2 of the present utility model;
Fig. 8 shows the shallow water type Non-perturbation pole-shaped sediment sampler sampling view of embodiment 2 of the present utility model;
The shallow water type Non-perturbation pole-shaped sediment sampler that Fig. 9 shows embodiment 2 of the present utility model pushes away mud view.
Wherein, the Reference numeral of Fig. 1 ~ Fig. 9 is:
Stopple coupon 100; Watch window 101; Cutting head 102;
Knock end 103; First handle 104; Thickening layer 105;
Mud device 200; Push away mud bar 201; Second handle 202;
Drainage piston 203; Water strainer 204; Piston main body 205;
Mounting hole 206; Thread segment 207; Stop nut 208;
Water hole 209; Impact cap 300; Cavity 301;
Extension pipe 400; Water layer 500; Bed mud 600;
Iron hammer 700.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.
Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
Embodiment 1, see Fig. 1 ~ Fig. 6.
As shown in Figure 1, present embodiments provide a kind of shallow water type Non-perturbation pole-shaped sediment sampler, comprise stopple coupon 100, mud pusher 200 and impact cap 300.
Wherein stopple coupon 100 is made up of stainless steel, the sidewall of stopple coupon 100 offers watch window 101, and stopple coupon 100 is provided with the glass plate covered by watch window 101, glass plate has the cambered surface fitted with stopple coupon 100 inwall, and glass plate is fixed by multiple screw and stopple coupon 100.Watch window 101 is strip, and the length direction of watch window 101 is along the axis of stopple coupon 100.Stopple coupon 100 outer wall is also provided with scale.
One end of stopple coupon 100 is provided with cutting head 102, and the other end is for knocking end 103.Stopple coupon 100 is fixed with first handle 104 near the position of knocking end 103, and first handle 104 and stopple coupon 100 form " ten " font.First handle 104 can person easy to use exert a force to stopple coupon, when sampling, by first handle 104, stopple coupon 100 can be inserted bed mud certain depth, and then adopts the mode of knocking to continue to make stopple coupon 100 go deep into bed mud; In addition when spoil disposal, first handle 104 also can person's force easy to use.
As shown in Figure 2, cutting head 102 is one section of pipe thickness along the axially evenly thinning pipe of stopple coupon 100, and cutting head 102 can make stopple coupon 100 more easily pass bed mud to move downward.
When sampling, using iron hammer to knock end 103, deforming for preventing knocking end 103, knocking end 103 and being provided with thickening layer 105.Thickening layer 105 is fixedly connected on the outer wall of stopple coupon 100, and thickening layer 105 plays the effect of reinforcing to knocking end 103, prevents knocking end 103 and is knocked rear distortion.Further, being out of shape to prevent knocking end 103, can also the sheathed impact cap 300 of end 103 being knocked.
As shown in Figure 3, in impact cap 300, there is the cavity 301 holding and knock end 103, knock end 103 and can be embedded in cavity 301.Impact cap 300 plays a protective role to knocking end 103, avoids iron hammer directly to impact and is knocking end 103, and impact cap 300 can disperse the percussion power from iron hammer, knocks end 103 not yielding.
As shown in Figure 4, mud pusher 200 comprises and pushes away mud bar 201, second handle 202 and drainage piston 203.Second handle 202 and drainage piston 203 are separately positioned on the two ends pushing away mud bar 201.Second handle 202 with push away mud bar 201 and be fixedly connected with, and second handle 202 with push away mud bar 201 and form "T"-shaped.Second handle 202 is convenient to user and is exerted a force to pushing away mud bar 201 in spoil disposal process.
As shown in Figure 4, Figure 5 and Figure 6, drainage piston 203 comprises the water strainer 204 of PVC material and the piston main body 205 of stainless steel.Water strainer 204 and piston main body 205 all have for pushing away the mounting hole 206 that mud bar 201 passes.Push away one end that mud bar 201 installs drainage piston 203 and be provided with the threaded thread segment 207 of tool, water strainer 204 and piston main body 205 are set on thread segment 207, and are provided with two stop nuts 208 be threaded with thread segment 207 in the both sides of whole drainage piston 203.Drainage piston 203 clamps and is fixed on by drainage piston 203 and pushes away mud bar 201 end by two stop nuts 208.Wherein water strainer 204 in the outer part, and that is during spoil disposal, water strainer 204 directly and sample contacts.Piston main body 205 mainly plays a part to support water of holding concurrently.Piston main body 205 is made up of stainless steel, overall in the form of annular discs, and the internal diameter of diameter and stopple coupon 100 is suitable, thickness about 2mm, and piston main body 205 is provided with the water hole 209 that diameter is 3mm.Water strainer 204 has tiny mesh, and mesh size is preferably 0.5 ~ 1mm.During spoil disposal, the water of bed mud sample top layer arrives the inner side of drainage piston 203 successively through the mesh of water strainer 204 and the water hole 209 of piston main body 205, ensures that the water of bed mud sample top layer is not extruded to bottom, thus ensures that each layer element does not move.
Embodiment 2, see Fig. 7-Fig. 9.
Present embodiments provide a kind of shallow water type Non-perturbation pole-shaped sediment sampler, the basis of embodiment 1 adds extension pipe 400, miscellaneous part and structure are see the description of embodiment 1.
One end of extension pipe 400 also has knocks end, and is provided with thickening layer 105 knocking end, and what impact cap 300 also can be enclosed within extension pipe 400 knocks end.Extension pipe 400 is also provided with first handle.The end that knocks of extension pipe 400 is provided with screw thread at outer wall, and the outer wall of the other end is provided with screw thread.Extension pipe 400 is mainly used in lengthening stopple coupon 100, and the inwall knocking end of stopple coupon 100 is provided with screw thread, and extension pipe 400 can be threaded with stopple coupon 100, and certain extension pipe 400 also can be threaded with between extension pipe 400.
The shallow water type Non-perturbation pole-shaped sediment sampler using method of the present embodiment 2 is introduced below in conjunction with Fig. 8 and Fig. 9:
(1) sample
Before sampling, first selected sampling spot.After choosing sampling spot, staff holds stopple coupon 100, is firmly inserted in bed mud 600 through water layer 500 by stopple coupon 100 facing to target area.When the thrust of armrest cannot make stopple coupon 100 continue to go deep into, impact cap 300 knocking on the cover of end 103 upper end, use iron hammer 700 firmly impact impact cap 300.If the length of stopple coupon 100 is inadequate, impact cap 300 can be taken, connect extension pipe 400 knocking end 103, then cap 300 continuation impact is impacted knocking on end cover of extension pipe 400, until exceed target depth 10cm, exceed 10cm and cause sample loss to prevent the bed mud sample of the bottom being positioned at stopple coupon 100 from coming off.Wherein Fig. 8 shows the partial routine of sampling.
(2) propose
The stopple coupon 100 reaching target sampling depth is taken out, remove impact cap 300, mud pusher 200 slowly push in stopple coupon 100, end due to mud pusher 200 has drainage piston 203, gas and water can pass drainage piston 203, the gas in stopple coupon and moisture is slowly discharged, until drainage piston 203 arrives the tip position of bed mud sample in the process of pushing.
(3) spoil disposal
Before spoil disposal, first observed the color of different depth bed mud by watch window 101, stratification state etc., line item of going forward side by side.To be seen record complete, gently promote mud pusher 200, first the bed mud sample of bottom about the 10cm of stopple coupon 100 is removed, then use sample sack by the sample collection of different layers position, finally the sample collected is taken back laboratory treatment.Fig. 9 shows spoil disposal process schematic.
(4) clean
After sampler is finished, need with clear water, stopple coupon 100 and mud pusher 200 to be rinsed well, particularly clean the drainage piston 203 of mud pusher 200, ensure that the mesh of water hole 209 and water strainer 204 is rinsed totally, do not stay residue, prevent sample residue from blocking the mesh of water hole 209 and water strainer 204, in order to avoid impact uses next time.Cleaning is received dress after finishing and is used in order to next time.
The shallow water type Non-perturbation pole-shaped sediment sampler volume that embodiment of the present utility model provides is little, convenient disassembly, be convenient to open air and carry and use.The shallow water type Non-perturbation pole-shaped sediment sampler lighter in weight that embodiment of the present utility model provides, sampling pipe weight only 4.5kg, the weight of additional two extension pipes and a striking head is no more than 6kg.Easy to use, as long as find sampling location, with manpower pressing stopple coupon or the impact cap being set in stopple coupon or extension pipe top with external force impact, just easily can obtain sample, ensure that the layer position of sample and structure do not change.After stopple coupon is suggested, uses mud pusher to be released by the bed mud sample needed, carry out putting the bed mud sample observed or collect different layers position according to the scale in sampler.Use stainless steel to make stopple coupon, and stopple coupon top is processed into the cutting head with certain cutting function, sampling depth can be made to reach about 1m.
This Product processing cost, less than 1,000 yuan, compares current product, has obvious price advantage.Stainless steel is durable, is applicable to various water quality environment, comprises fresh water, bitter, seawater etc.The place being no more than 5m in depth of waters such as river, lake water, wetland, beach, delta and seabeaches all can use.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a shallow water type Non-perturbation pole-shaped sediment sampler, it is characterized in that, comprise stopple coupon and mud pusher, described mud pusher comprises the drainage piston pushing away mud bar He be arranged on the end pushing away mud bar, described drainage piston can slide and be embedded in stopple coupon, and described drainage piston comprises water strainer bonded to each other and has the piston main body of water hole.
2. shallow water type Non-perturbation pole-shaped sediment sampler as claimed in claim 1, it is characterized in that, the mesh size of described water strainer is 0.5 ~ 1mm, and the aperture of described water hole is 2.5 ~ 3.5mm.
3. shallow water type Non-perturbation pole-shaped sediment sampler as claimed in claim 1 or 2, it is characterized in that, described one end pushing away mud bar has thread segment, described water strainer and piston main body are set on described thread segment, and the both sides of described drainage piston are respectively arranged with and the stop nut pushing away mud bar and be threaded.
4. shallow water type Non-perturbation pole-shaped sediment sampler as claimed in claim 1 or 2, it is characterized in that, described mud pusher also comprises first handle, and described first handle is connected away from one end of described drainage piston with the described mud bar that pushes away.
5. shallow water type Non-perturbation pole-shaped sediment sampler as claimed in claim 1, it is characterized in that, described stopple coupon is metal tube, the tube wall of described stopple coupon is provided with the watch window of strip, the length direction of described watch window is arranged along the axis of stopple coupon, and the tube wall of described stopple coupon is provided with the transparent panel covering described watch window.
6. shallow water type Non-perturbation pole-shaped sediment sampler as claimed in claim 5, it is characterized in that, described transparent panel is made up of glass or organic glass, and described transparent panel is fixed on inwall or the outer wall of described stopple coupon.
7. shallow water type Non-perturbation pole-shaped sediment sampler as claimed in claim 5, it is characterized in that, one end of described stopple coupon is for knocking end, and the other end is provided with cutting head.
8. shallow water type Non-perturbation pole-shaped sediment sampler as claimed in claim 1, it is characterized in that, also comprise the extension pipe be threaded with stopple coupon, one end of described extension pipe is for knocking end.
9. as claimed in claim 7 or 8 shallow water type Non-perturbation pole-shaped sediment sampler, is characterized in that, described in knock end and be provided with thickening layer.
10. shallow water type Non-perturbation pole-shaped sediment sampler as claimed in claim 9, is characterized in that, also comprise the impact cap in the outside of knocking end described in can being set in.
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| CN201520624563.8U CN204964246U (en) | 2015-08-18 | 2015-08-18 | Shallow water type does not have disturbance column sediment sample ware |
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| CN201520624563.8U CN204964246U (en) | 2015-08-18 | 2015-08-18 | Shallow water type does not have disturbance column sediment sample ware |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680025A (en) * | 2017-02-15 | 2017-05-17 | 上海浦东路桥建设股份有限公司 | Undisturbed columnar sampling device and method for shallow water surface sediments |
| CN106989955A (en) * | 2017-06-05 | 2017-07-28 | 河海大学 | A kind of bottom sampler suitable for gummy deposits |
| CN107796660A (en) * | 2017-11-28 | 2018-03-13 | 江苏省水利科学研究院 | A kind of undisturbed stratified substrate sludge sampler |
| CN108414275A (en) * | 2018-05-21 | 2018-08-17 | 山东省海洋资源与环境研究院 | A kind of micro- plastic sample harvester of strand seashore |
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2015
- 2015-08-18 CN CN201520624563.8U patent/CN204964246U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680025A (en) * | 2017-02-15 | 2017-05-17 | 上海浦东路桥建设股份有限公司 | Undisturbed columnar sampling device and method for shallow water surface sediments |
| CN106989955A (en) * | 2017-06-05 | 2017-07-28 | 河海大学 | A kind of bottom sampler suitable for gummy deposits |
| CN106989955B (en) * | 2017-06-05 | 2019-11-26 | 河海大学 | A kind of bottom sampler suitable for gummy deposits |
| CN107796660A (en) * | 2017-11-28 | 2018-03-13 | 江苏省水利科学研究院 | A kind of undisturbed stratified substrate sludge sampler |
| CN107796660B (en) * | 2017-11-28 | 2023-12-15 | 江苏省水利科学研究院 | Undisturbed layered sediment sampler |
| CN108414275A (en) * | 2018-05-21 | 2018-08-17 | 山东省海洋资源与环境研究院 | A kind of micro- plastic sample harvester of strand seashore |
| CN108414275B (en) * | 2018-05-21 | 2024-04-19 | 山东省海洋资源与环境研究院 | Little plastics sample collection device of coastal beach |
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Granted publication date: 20160113 Termination date: 20190818 |