CN218035700U - River lake sediment normal position sampling device - Google Patents

Abstract

The utility model provides a river lake deposit normal position sampling device, include: a positioning member and a collection mechanism; gather the mechanism and include the collection ring at top and the end ring of bottom, gather the ring pass through slide mechanism with sliding connection about the setting element can, the end ring with the connection can be dismantled to the setting element, gather the ring and be connected with a plurality of elastic sealing spare through rigid connection spare, be equipped with the confession on the end ring in proper order spacing hole and horizontal channel that elastic sealing spare passed are used for the amalgamation a plurality of elastic sealing spare are with the closure the end ring. The utility model discloses can carry out the normal position sample of deposit at indoor basin and open-air river lake, can also carry out the sample of different volumes according to the experiment requirement and draw, avoid the problem of the strong normal position sample difficulty of deposit self-fluidity, the integrated device equipment of being convenient for, easy operation.

Description

River lake sediment normal position sampling device

Technical Field

The utility model relates to a deposit sample technical field, concretely relates to river lake deposit normal position sampling device.

Background

The water ecological problem is always a hot problem in social development, and the ecological health of rivers has important influence on the production life and the ecological environment of people around the rivers. The subsurface flow zone is closely related to the ecological environment of a river as a place where surface water and underground water frequently interact. Therefore, the sampling and detection of the riverbed sediments are extremely key to water environment research, water ecology research, water quality monitoring and the like.

The sediment monitoring can not only grasp the current water quality index information and the distribution conditions of pollutants and the like, but also provide data support for water environment prediction and pollution source control, and realize effective management on the water environment and water ecology of rivers and lakes. At present, the commonly used sediment sampling is mainly performed by a grab bucket type mud sampler, the sampling effect is poor, and the original state of the sediment is greatly damaged.

Disclosure of Invention

The utility model discloses an overcome not enough of above technique, provide a service and can enough serve indoor basin experiment and also can serve in the field, carry out the river lake deposit normal position sampling device of normal position sample at open water watershed such as river, lake.

The utility model overcomes the technical scheme that its technical problem adopted is: an in-situ river and lake sediment sampling device, comprising: a positioning member and a collection mechanism; gather the mechanism and include the collection ring at top and the end ring of bottom, gather the ring pass through slide mechanism with sliding connection about the setting element can, the end ring with the connection can be dismantled to the setting element, gather the ring and be connected with a plurality of elastic sealing spare through rigid connection spare, be equipped with the confession on the end ring in proper order spacing hole and horizontal channel that elastic sealing spare passed are used for the amalgamation a plurality of elastic sealing spare are with the closure the end ring.

Preferably, gather the mechanism and still include the auxiliary ring, the auxiliary ring is arranged in gather between ring and the bottom ring, with the setting element can be dismantled and be connected, just be equipped with the confession on the auxiliary ring the spacing hole that elastic sealing element passed, the spacing hole of auxiliary ring with still be connected with spacing passageway between the spacing hole of bottom ring.

Preferably, a balancing weight is arranged at the bottom of the positioning piece.

Preferably, the bottom of the positioning piece is provided with a first tip.

Preferably, a leveling disc is arranged on the positioning piece.

Preferably, the sliding mechanism is arranged inside the positioning piece and comprises a transmission chain, the transmission chain is arranged on a transmission pulley block and is connected with a telescopic motor, and the telescopic motor is provided with a motor switch; the transmission chain is connected with the collecting ring.

Preferably, the resilient seal is provided in a triangular configuration.

Preferably, a plurality of drainage holes are uniformly distributed on the elastic sealing element.

Preferably, the side portion of the bottom ring is provided with an axial opening, the two side portions of the bottom ring, which are located at the axial opening, are provided with elastic positioning rods, the positioning piece is provided with positioning holes, and the elastic positioning rods are in socket joint with the positioning holes.

Preferably, the bottom of the bottom ring is provided with a plurality of second tips.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses not only can change deposit sample extraction volume according to the experiment requirement, can realize extracting the sample of specific degree of depth and volume through adding or dismantling the auxiliary ring moreover.

2. The utility model discloses well slide rail mechanism's horizontal channel has guaranteed that collection mechanism carries out the closure according to regulation route, and the leakproofness that the sample was gathered and was drawed has been guaranteed at elastic sealing element's rubber edge.

3. Be different from sampling device of present deposit sample, the utility model discloses can solve the problem that river lake deposit nature is difficult for the normal position sample by force, and can realize the deposit normal position sample of media such as sand matter, soil property and the sand soil property of different saturation, elastic sealing element can dismantle and change two kinds of structures for drainage and not drainage, satisfies different experimental requirements.

4. The utility model discloses not only disposed manual collection system, also disposed electronic collection system, improved the stability of taking the place of the unstable regional collection sample of artifical power.

5. Compare with deposit sampler commonly used, the utility model discloses reduced the sampler and to deposit sample area initial state's destruction, guaranteed the accuracy of sample.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the collecting ring in the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the auxiliary ring and the bottom ring in the embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of an auxiliary ring and a bottom ring according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an elastic sealing member according to an embodiment of the present invention.

In the figure, 1, a positioning part; 2. a leveling pan; 3. a counterweight block; 4. a first tip; 5. collecting a ring; 6. a bottom ring; 7. a drive chain; 8. a transmission pulley block; 9. a branch pulley; 10. a telescopic motor; 11. a motor switch; 12. a limiting rod; 13. a rigid connection member; 14. an elastomeric seal; 15. a limiting hole; 16. a horizontal channel; 17. a drain hole; 18. an elastic positioning rod; 19. positioning holes; 20. a second tip; 21. an auxiliary ring; 22. pushing a sample rod; 23. a handle; 24. a piston; 25. and a limiting channel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Examples

An in-situ sampling device for river and lake sediments, as shown in figures 1-5, comprises: setting element and collection mechanism.

Wherein, setting element 1 is the shaft-like, is equipped with horizontal part and the vertical portion of an organic whole structure, the mountable levelling disc 2 of upper end of horizontal part to judge whether whole sampling device is in vertical state. Further, the bottom of the positioning member 1 can be provided with a counterweight 3 and a first tip 4 to improve the stability of sampling and reduce the obstruction of inserting sediment. The surface of the positioning piece 1 can be provided with scale marks for preliminary quantification of water depth and sampling depth.

Gather the mechanism and include the collection ring 5 at top and the bottom ring 6 of bottom, gather ring 5 and pass through sliding mechanism and setting element 1 sliding connection from top to bottom, it is further, the inside of setting element 1 is arranged in to sliding mechanism, can include annular driving chain 7, driving chain 7 is installed on transmission assembly pulley 8, structural arrangement along setting element 1 is "7" font, the lower extreme that is located corner driving chain 7 is equipped with a pulley 9, in order to improve driven stability, driving chain 7 is connected with flexible motor 10, flexible motor 10 is equipped with motor switch 11, be equipped with the close button on motor switch 11, extend button and the button that contracts, driving chain 7 is connected through gag lever post 12 with gathering ring 5, motor switch 11 controls the extension and the contracting of flexible motor 10, drive driving chain 7 around transmission assembly pulley 8 up-and-down motion, linkage gag lever post 12 drives and gathers ring 5 up-down motion.

The collecting ring 5 is further connected with a plurality of elastic sealing elements 14 through rigid connecting elements 13, the rigid connecting elements 13 can be metal rods, the rigid connecting elements 13 are fixed on the collecting ring 5 through clamping grooves, the elastic sealing elements 14 and the rigid connecting elements 13 are welded into a whole, and the edges of the elastic sealing elements 14 are wrapped with rubber, so that the elastic sealing elements 14 can be well spliced. As shown in fig. 4, the bottom ring 6 is provided with a limiting hole 15 and a horizontal channel 16 for the elastic sealing member 14 to pass through in sequence, and the limiting hole 15 and the horizontal channel 16 are communicated with each other. Furthermore, the elastic sealing elements 14 can be arranged in a triangular structure and four elastic sealing elements 14 can be arranged, the four elastic sealing elements 14 respectively penetrate through the limiting holes 15 and the horizontal channel 16 in sequence, then are unfolded in the horizontal direction under the support of the horizontal channel 16, and are used for closing the bottom ring 6 after being spliced with each other. As shown in fig. 5, a plurality of drainage holes 17 may be uniformly distributed on the elastic sealing member 14.

The bottom ring 6 is detachably connected with the positioning part 1, further, an axial opening can be formed in the side part of the bottom ring 6, elastic positioning rods 18 are arranged on the two side parts of the axial opening on the bottom ring 6, positioning holes 19 are formed in the positioning part 1, and the elastic positioning rods 18 are inserted into the positioning holes 19 to be connected with the positioning parts in a socket joint mode. Further, as shown in fig. 4, the bottom of the bottom ring 6 may be provided with several second tips 20 for better insertion of the harvesting mechanism into the substrate sludge.

Further, for satisfying the required different sample volume of experiment and providing extra sample volume, the mechanism of gathering still can include auxiliary ring 21, and auxiliary ring 21 is arranged in and is gathered between ring 5 and the bottom ring 6, can dismantle with setting element 1 and be connected, and auxiliary ring 21 is the same with bottom ring 6 with the connected mode of setting element 1, and is equipped with the spacing hole 15 that supplies elastic sealing element 14 to pass on the auxiliary ring 21 equally, for gathering ring 5 and providing the removal route, refer to fig. 3 or fig. 4, still be connected with spacing passageway 25 between auxiliary ring 21's spacing hole 15 and the spacing hole 15 of bottom ring 6, for elastic sealing element 14 provides the removal route.

The utility model discloses a working process and principle as follows:

the number of auxiliary rings 21 required to be added is determined according to the sample collection amount required by an experiment, the bottom ring 6 and the auxiliary rings 21 are sequentially fixed in the positioning hole 19 of the positioning piece 1 through the elastic positioning rod 18 according to the principle of from bottom to top to form a sample collection cavity, the collection ring 5 is connected with the transmission chain 7 through the limiting rod 12, and the elastic sealing piece 14 is sequentially inserted into the auxiliary rings 21 and the limiting holes 15 of the bottom ring 6 through the rigid connecting piece 13.

The assembled sampling device is inserted into a sampling area through the first tip 4, the leveling disc 2 is observed to level when the sampling area is touched, the second tip 20 of the bottom ring 6 is slowly and forcefully inserted into sediment, the positioning piece 1 is pressed downwards to a proper depth according to a required depth, the collection ring 5 is pressed to enable the four elastic sealing pieces 14 to simultaneously penetrate through the horizontal channel 16 to be spliced, then the bottom ring 6 is closed, and in-situ collection of sediment samples is achieved. If the sampling area is not suitable for manual pressing or the sediment sampling area is easy to damage, after the sample collecting position is determined, the extension button is pressed to turn on the motor switch 11, and the transmission chain 7 is driven by the telescopic motor 10 to rotate clockwise to link the collecting ring 5 to move downwards so as to realize automatic sediment sample collection.

The sampling device is retracted after the sample collection is finished, the retraction button is pressed to open the motor switch 11, the transmission chain 7 is driven by the telescopic motor 10 to rotate anticlockwise to link the collection ring 5 to withdraw from the elastic sealing element 14, the middle part of the cavity which is withdrawn from the elastic sealing element 14 is aligned, the sample pushing system is inserted and comprises a sample pushing rod 22, a handle 23 is arranged at the upper end of the sample pushing rod 22, a piston 24 is arranged at the lower end of the sample pushing rod 22, the handle 23 of the sample pushing system is pressed, the piston 24 moves along the axial direction of the cavity formed by the auxiliary ring 21 and the bottom ring 6, the collected sediment sample is pushed out, and the sample collection is finished.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a river lake deposit normal position sampling device which characterized in that includes: a positioning member and a collection mechanism; gather the mechanism and include the collection ring at top and the end ring of bottom, gather the ring pass through slide mechanism with sliding connection about the setting element can, the end ring with the connection can be dismantled to the setting element, gather the ring and be connected with a plurality of elastic sealing spare through rigid connection spare, be equipped with the confession on the end ring in proper order spacing hole and horizontal channel that elastic sealing spare passed are used for the amalgamation a plurality of elastic sealing spare are with the closure the end ring.

2. The in-situ sampling device for river and lake sediments as claimed in claim 1, wherein the collecting mechanism further comprises an auxiliary ring, the auxiliary ring is arranged between the collecting ring and the bottom ring and detachably connected with the positioning member, a limiting hole for the elastic sealing member to pass through is arranged on the auxiliary ring, and a limiting channel is further connected between the limiting hole of the auxiliary ring and the limiting hole of the bottom ring.

3. The in-situ sampling device for river and lake sediments as claimed in claim 1, wherein a balancing weight is arranged at the bottom of the positioning member.

4. The in-situ sampling device for river and lake sediments as claimed in claim 1 or 3, wherein the bottom of the positioning member is provided with a first tip.

5. The in-situ sampling device for river and lake sediments as claimed in claim 1 or 3, wherein a leveling disc is arranged on the positioning piece.

6. The in-situ sampling device for river and lake sediments as claimed in claim 1, wherein said sliding mechanism is disposed inside said positioning member, and comprises a transmission chain, said transmission chain is disposed on a transmission pulley block, said transmission chain is connected with a telescopic motor, said telescopic motor is provided with a motor switch; the transmission chain is connected with the collecting ring.

7. The in-situ sampling device for river and lake sediments as claimed in claim 1, wherein said elastic sealing element is arranged in a triangular structure.

8. The in-situ sampling device for river and lake sediments as claimed in claim 1 or 7, wherein said elastic sealing element is provided with a plurality of drainage holes distributed uniformly.

9. The in-situ sampling device for river and lake sediments as claimed in claim 1, wherein an axial opening is provided on the side of the bottom ring, elastic locating rods are provided on both sides of the axial opening on the bottom ring, locating holes are provided on the locating piece, and the elastic locating rods are in socket connection with the locating holes.

10. The in situ river and lake sediment sampling device as claimed in claim 1 or 9, wherein the bottom of the bottom ring is provided with a plurality of second tips.

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