CN201440115U - Undisturbed deposition pillar core sampler - Google Patents
Undisturbed deposition pillar core sampler Download PDFInfo
- Publication number
- CN201440115U CN201440115U CN 200920168770 CN200920168770U CN201440115U CN 201440115 U CN201440115 U CN 201440115U CN 200920168770 CN200920168770 CN 200920168770 CN 200920168770 U CN200920168770 U CN 200920168770U CN 201440115 U CN201440115 U CN 201440115U
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- cavity
- connecting rod
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- sampling thief
- counterweight
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Abstract
The utility model relates to an undisturbed deposition pillar core sampler, which can realize free falling, counter weight thrashing and connecting rod sampling modes. The undisturbed deposition pillar core sampler comprises: a connecting device which is composed of an upper connecting rod and a transitional cavity, the upper connecting rod is a hollow metal pipe and is connected with a rope for lifting the sampler, an upper flange and a lower flange in the transitional cavity are fixed connected by a screw bolt, a cavity with an open structure is formed between the upper flange and the lower flange, the upper connecting rod is fixedly connected on the upper flange, a sealing ring is arranged between the cavity and the lower flange, a one-way valve is arranged in the cavity and the one-way valve can move up and down in the cavity; a counter weight body is a hollow cylinder and is fixed at one ends of two counter weight connecting rods, the other ends thereof are fixed on the lower flange in the transitional cavity, a sampling pipe penetrates through the counter weight body, the upper end of the sampling pipe is inserted into the cavity and is fixed and sealed by the sealing ring, and the upper end of the sampling pipe is unobstructed. The undisturbed deposition pillar core sampler has the characteristics of convenient carrying and operation.
Description
Technical field
The utility model belongs to the sampling apparatus that underwater sediment(s) post core product are gathered, and relating in particular to a kind of multimode does not have disturbance column core of sediments sampling thief.
Background technology
The column core of sediments sampling thief is a kind of scientific research apparatus that is widely used in aspect researchs such as environment, ecology, and the column core of sediments sampling apparatus of present designed exploitation is of a great variety, differs from one another, but still has deficiency, mainly shows following several respects:
Produce disturbance when (1) sampling, can't guarantee sediment interface water clarification, even destroy the virgin state of sequence of sedimentation.
(2) sample mode is single, the sampling environment is had relatively high expectations, relatively poor to the integrated adaptability of difference sampling environment, the particularly collection that is applied to deep water or shallow-water deposit thing that sampling thief can only be single mostly, can't satisfy the collecting work under the different depth conditions, for research work brings very big inconvenience.
(3), can't satisfy the science needs of some research field for the most thickness that can only reach 40～80cm of the sedimental collection of deep water.
The utility model content
The purpose of this utility model is a kind of no disturbance column core of sediments sampling thief of design, can not have the longer column core of sediments of disturbance collection in several ways, and the sediment interfacial water of collection can keep clarification.
For achieving the above object, the no disturbance column core of sediments sampling thief that the utility model provides mainly comprises:
A connector is made up of last connecting rod and transitional cavity; Last connecting rod is a hollow metal tube, connects the hawser of a handling sampling thief; Upper flange and lower flange in the transitional cavity are connected and fixed by bolt, form the cavity of Open architecture between upper flange and the lower flange; Last connecting rod is connected and fixed on the upper flange;
Be provided with O-ring seal between cavity and the lower flange;
Retaining valve is installed in the cavity, and this retaining valve can move up and down in cavity;
One balance weight body is a right cylinder logical in, is fixed on an end of two counterweight connecting rods, and the other end of these two weight linear meters is fixed on the lower flange of transitional cavity;
Sampling pipe passes balance weight body, and insert in the cavity upper end of sampling pipe, is fixed and is sealed by O-ring seal, and the upper end of sampling pipe is unobstructed state.
Be provided with detachable counterweight above balance weight body, the right cylinder that this detachable counterweight is led in being is fixed on the counterweight connecting rod.
Be provided with impact weight above balance weight body, the right cylinder that this impact weight is led in being can move up and down on the counterweight connecting rod; Connect a rope on the impact weight.
Upper boom connects by bolt and connects the sampling thief connecting rod.
Sampling pipe is a plexi-glass tubular.
Balance weight body, detachable counterweight, counterweight connecting rod and last connecting rod are stainless steel.
In the last connecting rod of connector hitch frame is housed, this hitch frame connects a rope.
The disturbance column core of sediments sampling thief that the utility model provides by the various combination of each assembly, can be realized free-falling formula, knocking formula, three kinds of sample modes of link-type, can be applicable to the sampling environment of multiple complexity; The thickness of deposits of being gathered can reach 80～150cm; And have that volume is little, in light weight, simple in structure, the characteristics of reliable in action, remedied the deficiency of existing column core of sediments sampling apparatus.
Description of drawings
Fig. 1 a is the structural representation that disposes the sampling thief of detachable counterweight.
Fig. 1 b is the structural representation that disposes the sampling thief of hammering counterweight.
Fig. 1 c is the structural representation that disposes the sampling thief of sampling thief connecting rod.
Fig. 2 is the structural representation of the connector in the sampling thief.
Embodiment
Sampling thief of the present utility model is made up of connected system, counterweight (comprising balance weight body, detachable counterweight, impact weight), sampling pipe end sealing system, sampling thief push and pull system, sampling pipe five parts.Connected system is made up of last connecting rod and transitional cavity, by being threaded togather, towing bracket and bolt hole is arranged in order to connection cable or last end link in the last connecting rod.Transitional cavity is made of upper and lower flange and O-ring seal, sampling pipe can be fixed on the connected system by the deformation of O-ring seal.The sampling thief balance weight body is connected in the connected system lower end by the counterweight connecting rod, in order to reduce the center of gravity of sampling thief, keeps vertical state when it is sunk in water.Detachable counterweight and impact weight are assemblied on the counterweight connecting rod, can be free to slide.
Sampling thief do not have disturbance sampling by in the cavity of sampling thief upper end flexibly retaining valve realize.Retaining valve is made up of retaining valve main body and rubber blanket, uses aluminium matter and elastomeric material manufacturing, can unidirectionally open.When sampling thief fell, the sampling inner pipe water pressure increased, and retaining valve is opened, hydraulic pressure in the sampling pipe can be discharged by sampling thief top open cavity, guarantees unimpeded water channel in the sampling pipe, prevents that surface deposit is disturbed because of hydraulic pressure, make the sediment interfacial water keep clarification, thereby realize no disturbance sampling; When carrying on the sampling thief, closed check valve, the sampling pipe upper end forms vacuum, sediment is carried in the process on sampling thief be retained in the sampling pipe.
Use hawser and push and pull system can form free-falling formula gravity sampling thief and link-type sampling thief respectively, can realize different depth of water deposit thing post core sample collecting.Select for use hawser, connected system, counterweight, sampling pipe end sealing system, sampling pipe can form free-falling formula gravity sampling thief, can be used for the collection of deepwater regions column core of sediments, sampling thief is under the effect of lower end counterweight, center of gravity is lower, can in water, vertically fall, when sampling pipe sank to the sediment interface, sampling pipe inserted in the sedimentary deposit under the effect of sampling thief self gravitation.Select for use sampling thief top push and pull system, connected system, counterweight, sampling pipe end sealing system, sampling pipe can form the link-type sampling thief, can be used for the collection of shallow water area column core of sediments, end link is made up of 1m or the long stainless-steel tube of 2m on the sampling thief, connect piecemeal and be connected by bolt with sampling thief connected system upper end, during collected specimens, difference according to the depth of water, the connecting rod of choosing different length and quantity is connected, more than the water surface, apply external force by connecting rod, sampling pipe is inserted in the sedimentary deposit.
Sediment is gathered the difference of the increase of thickness according to the sampling environment, selects the detachable counterweight of sampling thief, impact weight, sampling thief upper end link assembly to realize respectively.When gathering the deepwater regions column core of sediments, use the combination of free-falling formula gravity sampling thief, the impulsive force that sampling thief relies on deadweight to provide is inserted in the sedimentary deposit, therefore the weight of sampling thief counterweight has directly determined the sampling depth of column core of sediments, this sampling thief disposes detachable counterweight, counterweight weight is two kinds of 5Kg and 10Kg, can adjust the deadweight of sampling thief by the collocation of counterweight, increases the purpose that sediment is gathered thickness to reach.In addition, under the comparatively fine and close situation of some deep water sediments, even increase the deadweight of sampling thief, the thickness of deposits of being gathered also is difficult to increase, therefore the sampling thief design has increased impact weight, impact weight can be free to slide on the counterweight connecting rod, respectively there is a stainless steel ring impact weight both sides in order to connecting rope, pass through the traction of the rope of connection impact weight during sampling, make the impact weight sampling thief balance weight body of thumping downwards, sampling pipe is inserted in the fine and close sediment, to increase the sedimental thickness of being gathered.When gathering the shallow water area column core of sediments, use the combination of link-type sampling thief, apply external force or thump, sampling pipe is inserted in the sedimentary deposit, to reach the purpose that increases sampling thickness by end link on the sampling thief.
Column core of sediments sampling thief provided by the utility model can effectively be realized the no disturbance collection of column core of sediments, and the sediment interfacial water of gathering can keep clarification; By the various combination of assembly, can realize multiple sample mode, gather applicable to the no disturbance of the different depth of waters and complex environment deposit thing, remedied the single deficiency of original sampling thief sample mode; The collection thickness of sediment sample can reach 80～150cm, has remedied the less deficiency of original sampling thief sampling thickness; Have characteristics simple in structure, in light weight, that be easy to carry and operate, significant to the research of aspects such as environment, ecology.
Following structure accompanying drawing is further described the utility model.
Sampling thief is made up of connector (as shown in Figure 2), counterweight (comprising balance weight body, detachable counterweight, impact weight), sampling pipe end sealing system 4, sampling thief push and pull system 11, sampling pipe 9 five parts.Can form free-falling formula sampling thief (shown in Figure 1A) and link-type sampling thief (shown in Fig. 1 C) by hawser 1 and linkage 11, can satisfy the sampling work of deep water lake and shallow lake column core of sediments respectively, can increase sampling depth simultaneously.
Connector mainly is made up of last connecting rod 3 and transitional cavity 5.Last connecting rod 3 is a hollow aluminium alloy pipe, in hitch frame 2 is housed, hitch frame 2 can connection cable 1 in order to the handling sampling thief.Transitional cavity 5 is made up of cavity 15 and upper flange 16, lower flange 14, connects with bolt between upper flange 16 and the lower flange 14.Last connecting rod 3 is by being threadedly connected on the upper flange 16.Between cavity 15 and the lower flange 14 O-ring seal 13 is arranged, organic glass sampling pipe 9 upper ends insert in the cavity 15, rely on deformation after O-ring seal 13 is compressed to fix and seal.Around the cavity 15 is open by design, after guaranteeing that sampling pipe 9 inserts cavity, and the state that its upper end keeps clear, sampling pipe upper end hydraulic pressure can discharge smoothly during sampling.
The sampling thief counterweight is linked together by two stainless steel counterweight connecting rods 6 and sampling thief cavity 15 and upper flange 16, lower flange 14 by the stainless steel material manufacturing.Balance weight body 8 is shaped as in one logical right cylinder, and sampling pipe 9 can pass the cavity 15 that balance weight body is inserted the sampling thief upper end, and the balance weight body 8 by sampling thief upper end O-ring seal 13 and lower end can be with sampling pipe 9 firm linking together.Sampling pipe 9 can be selected the plexi-glass tubular of 65mm diameter for use, and length is two kinds of 150cm and 200cm.
When gathering column core of sediments in the deep water lake, the impulsive force that sampling thief relies on deadweight to provide is inserted in the sedimentary deposit, so the weight of sampling thief counterweight has directly determined the sampling depth of column core of sediments.In order to increase sampling depth, dispose detachable counterweight 7, the weight of its counterweight is adjustable.
In addition, the sediment in different lakes has different character, and its compactness extent is also inequality.In the comparatively fine and close lake of some sediments, even increase the sampling depth that the weight of sampling thief also is difficult to increase column core of sediments.Therefore, the utility model has increased impact weight 10 (seeing also Fig. 1 b) on free-falling formula sampling thief.Impact weight 10 is identical with sampling thief balance weight body 8 shapes, can be free to slide on counterweight connecting rod 6.Under the comparatively fine and close situation of sediment, make its knocking sampling thief balance weight body 8 downwards by the rope that connects impact weight, sampling pipe 9 is inserted in the fine and close sediment.
Sampling pipe top closure system 4 is realized by the retaining valve 12 that is equipped with in the cavity of sampling thief upper end.Retaining valve is made up of retaining valve main body and rubber blanket, uses aluminium matter and elastomeric material manufacturing, can unidirectionally open.When sampling thief fell, hydraulic pressure increased in the sampling pipe 9, and retaining valve 12 is opened, and the hydraulic pressure in the sampling pipe 9 can be discharged by sampling thief top open cavity 15, guarantees unimpeded water channel in the sampling pipe 9, prevents that the top layer sample is disturbed because of hydraulic pressure; When carrying on the sampling thief, the hydraulic pressure in the sampling pipe reduces, and retaining valve 12 is with sampling pipe 9 end sealings, and sampling pipe 9 upper ends form vacuum, prevent that sample is excessive in sampling pipe 9 lower ends.
During less than 5m, free-falling formula sampling thief can't use in the lake depth of water, therefore dispose sampling thief push and pull system 11.Sampling thief connecting rod 11 is divided into two kinds of different lengths of 1m and 2m by the stainless steel material manufacturing, is connected by bolt between connecting rod and connecting rod.During collected specimens, according to the difference of the depth of water, the connecting rod of choosing different length and quantity is connected.More than the water surface, apply external force by connecting rod during sampling, sampling pipe is inserted in the sedimentary deposit.
Claims (7)
1. a no disturbance column core of sediments sampling thief is characterized in that, comprising:
A connector is made up of last connecting rod and transitional cavity; Last connecting rod is a hollow metal tube, connects the hawser of a handling sampling thief; Upper flange and lower flange in the transitional cavity are connected and fixed by bolt, form the cavity of Open architecture between upper flange and the lower flange; Last connecting rod is connected and fixed on the upper flange;
Be provided with O-ring seal between cavity and the lower flange;
Retaining valve is installed in the cavity, and this retaining valve can move up and down in cavity;
One balance weight body is a right cylinder logical in, is fixed on an end of two counterweight connecting rods, and the other end of these two weight linear meters is fixed on the lower flange of transitional cavity;
Sampling pipe passes balance weight body, and insert in the cavity upper end of sampling pipe, is fixed and is sealed by O-ring seal, and the upper end of sampling pipe is unobstructed state.
2. no disturbance column core of sediments sampling thief as claimed in claim 1 is characterized in that, is provided with detachable counterweight above balance weight body, and the right cylinder that this detachable counterweight is led in being is fixed on the counterweight connecting rod.
3. no disturbance column core of sediments sampling thief as claimed in claim 1 is characterized in that, is provided with impact weight above balance weight body, and the right cylinder that this impact weight is led in being can move up and down on the counterweight connecting rod; Connect a rope on the impact weight.
4. no disturbance column core of sediments sampling thief as claimed in claim 1 is characterized in that, upper boom connects by bolt and connects the sampling thief connecting rod.
5. no disturbance column core of sediments sampling thief as claimed in claim 1 is characterized in that sampling pipe is a plexi-glass tubular.
6. no disturbance column core of sediments sampling thief as claimed in claim 1 is characterized in that, balance weight body, detachable counterweight, counterweight connecting rod and last connecting rod are stainless steel.
7. no disturbance column core of sediments sampling thief as claimed in claim 1 is characterized in that in the last connecting rod of connector hitch frame is housed, this hitch frame connects a rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920168770 CN201440115U (en) | 2009-08-19 | 2009-08-19 | Undisturbed deposition pillar core sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920168770 CN201440115U (en) | 2009-08-19 | 2009-08-19 | Undisturbed deposition pillar core sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440115U true CN201440115U (en) | 2010-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920168770 Expired - Fee Related CN201440115U (en) | 2009-08-19 | 2009-08-19 | Undisturbed deposition pillar core sampler |
Country Status (1)
| Country | Link |
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| CN (1) | CN201440115U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674619A (en) * | 2013-12-04 | 2014-03-26 | 重庆交通大学 | Gravity type deepwater silt low-disturbance sampling device |
| CN106066263A (en) * | 2016-06-07 | 2016-11-02 | 四川农业大学 | A kind of portable shallow water body former state column shaped deposit sampling apparatus |
| CN106872212A (en) * | 2017-01-12 | 2017-06-20 | 国家海洋局第二海洋研究所 | A kind of efficient submarine surface fine sand sampler based on the simple body of rod |
| CN106950075A (en) * | 2017-03-23 | 2017-07-14 | 中国科学院海洋研究所 | A kind of unidirectional stream valve suction type intertidal zone shallow-water deposit thing collector of magnetic force constraint |
| CN107560889A (en) * | 2017-08-28 | 2018-01-09 | 中国环境科学研究院 | A kind of big flux bottom mud column-shaped sampling apparatus and the method for sampling |
| CN108801393A (en) * | 2018-07-05 | 2018-11-13 | 中持水务股份有限公司 | A kind of fluid phase for sewage treatment facility measures and sampling apparatus |
-
2009
- 2009-08-19 CN CN 200920168770 patent/CN201440115U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674619A (en) * | 2013-12-04 | 2014-03-26 | 重庆交通大学 | Gravity type deepwater silt low-disturbance sampling device |
| CN103674619B (en) * | 2013-12-04 | 2016-06-29 | 重庆交通大学 | A kind of gravity type deepwater silt low-disturbance sampler |
| CN106066263A (en) * | 2016-06-07 | 2016-11-02 | 四川农业大学 | A kind of portable shallow water body former state column shaped deposit sampling apparatus |
| CN106872212A (en) * | 2017-01-12 | 2017-06-20 | 国家海洋局第二海洋研究所 | A kind of efficient submarine surface fine sand sampler based on the simple body of rod |
| CN106950075A (en) * | 2017-03-23 | 2017-07-14 | 中国科学院海洋研究所 | A kind of unidirectional stream valve suction type intertidal zone shallow-water deposit thing collector of magnetic force constraint |
| CN106950075B (en) * | 2017-03-23 | 2019-05-07 | 中国科学院海洋研究所 | A kind of magnetic force constraint one-way flow valve suction type intertidal zone shallow-water deposit object collector |
| CN107560889A (en) * | 2017-08-28 | 2018-01-09 | 中国环境科学研究院 | A kind of big flux bottom mud column-shaped sampling apparatus and the method for sampling |
| CN108801393A (en) * | 2018-07-05 | 2018-11-13 | 中持水务股份有限公司 | A kind of fluid phase for sewage treatment facility measures and sampling apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20120819 |