Unconsolidated sediment sampling device capable of sealing bottom

A sampling device and sediment technology, applied in the direction of sampling devices, sampling, measuring devices, etc., can solve the problems of low airtightness, sample loss, inconvenient operation and carrying, etc., and achieve the effect of simple structure, convenient operation, and avoiding sample loss

Pending Publication Date: 2018-05-11
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Application Information

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Problems solved by technology

The grab-type sediment sampling device usually has low airtightness and has the problem of sample loss. It is generally used to collect surface samples of sediment; the columnar sediment sampling device usually has a complicated structure, many components, and a large volume, which is not easy to operate Some columnar sampling devi

Method used

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  • Unconsolidated sediment sampling device capable of sealing bottom
  • Unconsolidated sediment sampling device capable of sealing bottom
  • Unconsolidated sediment sampling device capable of sealing bottom

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Embodiment Construction

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0042] The terms "first", "second", and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of practice in sequences other than thos...

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Abstract

The invention relates to a sampling device, in particular to an unconsolidated sediment sampling device capable of sealing a bottom. The device comprises a pressing cover, a third sampling barrel, a moving part, an outer sleeve, a buckle, a second sampling barrel, a first sampling barrel, a connecting bend pipe, driving levers and bottom sealing plates, wherein the pressing cover is in threaded connection with the upper end of the third sampling barrel; the upper end of the outer sleeve is in threaded connection with the third sampling barrel; the lower end of the third sampling barrel is in threaded connection with the upper end of the second sampling barrel; the lower end of the second sampling barrel is in threaded connection with the upper end of the first sampling barrel; one end of the connecting bend pipe is in threaded connection with the moving part; the other end of the connecting bend pipe is in threaded connection with the driving levers; six driving levers are arranged andare rotatably connected with the first sampling barrel; six bottom sealing plates are arranged. The unconsolidated sediment sampling device capable of sealing the bottom has the beneficial effects ofsimple structure, convenience in operation, capability of supporting the bottom part of a sediment sample through the six bottom sealing plates, and capability of effectively avoiding the problem ofsample loss during a lifting process of the whole device.

Description

technical field [0001] The invention relates to a sampling device, in particular to a loose sediment sampling device with a back cover. Background technique [0002] Rivers, oceans, and lakes will accumulate loose sediments. Sediments are of great significance for revealing environmental changes, sedimentation processes, and pollutant migration. Sediments can be used to trace the source of pollution sources, reveal environmental changes, and water in aquatic ecosystems. The composition of animals and plants and the influence of the environment on the distribution of animals and plants, etc., so the study of sediments is very important, and the performance of sediment sampling devices plays a vital role in the quality of sediment sample collection. The grab-type sediment sampling device usually has low airtightness and has the problem of sample loss. It is generally used to collect surface samples of sediment; the columnar sediment sampling device usually has a complicated st...

Claims

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Application Information

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IPC IPC(8): G01N1/10
CPCG01N1/10G01N2001/1031
Inventor 杨勇强徐文豪穆相骥杜双虎邱隆伟
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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