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Collector of surface sediments

A surface sediment and collection device technology, applied in the direction of sampling devices, etc., can solve the problems of low sampling efficiency, inability to use deep water sampling, and complicated operation of the collection device, and achieve high sampling efficiency, smooth operation, and high sampling quality.

Active Publication Date: 2013-11-13
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims to overcome the disadvantages of complex operation, low sampling efficiency and inability to be used for deep water sampling in the collection device in the prior art, and provides a surface sediment collection device with simple operation, high reliability and high sampling efficiency

Method used

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  • Collector of surface sediments

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0033] Such as figure 1 The embodiment shown is a surface sediment collection device, comprising a cylinder 1 with an open upper end, a hanger 2 arranged on the upper part of the cylinder, a guide tube 3 arranged on the outer wall of the cylinder, a 3 positioning anchors 4 and 3 counterweights 5 arranged at the bottom of the cylinder;

[0034] Such as figure 2 As shown, the bottom plate 6 of the cylinder is provided with a circular scraper 7, and the scraper is rotatably connected to the middle of the bottom plate through a rotating shaft 8; the scraper is provided with three radially distributed mud scraping holes 9, and the holes of the mud scraping holes The wall is provided with a scraper 10 extending downwards for rotating mud scraping, and a vertical baffle 11 extending upwards is provided on the hole wall of the mud scraping hole on t...

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Abstract

The invention discloses a collector of surface sediments, which comprises a cylinder at an upper opening, a hanging bracket set on the top of the cylinder, a guide tube set on the outer wall of the cylinder, some positioning anchors set on the bottom of the cylinder and some balancing weights set on the bottom of the cylinder; a circular scraper is set on a base plate of the cylinder and connected to the middle of the base plate through a revolving shaft in a rotary manner; and some mud scraping holes distributed in a radiation shape are set on the scraper, wherein a scraper blade for rotary mud scraping which is extended downwards is set on a hole wall of the mud scraping hole, a vertical baffle extended upwards is set on the hole wall of the mud scraping hole opposite to the scraper blade, height of the lower scraper blade is bigger than height of the upper surface of the base plate and a mud inlet is set on a corresponding part to the mud scraping hole. The collector of surface sediments is characterized by simper operation, high stability, good reliability, high-quality sampling and efficient sampling.

Description

technical field [0001] The invention relates to a sampling tool, in particular to a surface sediment collection device with simple operation, high reliability and high sampling efficiency. Background technique [0002] At present, the underwater surface sediment collection device is mainly a grab-type collection device. The grab-type collection device uses a pole to open a two-lobed mud grabber. When the mud grabber touches the sediment, the branch bar is released. Under the action of its own gravity, the collection device is partially immersed in the sediment for sampling. During the process of lifting the collection device, the two-lobed mud grab buckets are slowly closed, and the sediment is collected into the mud grab buckets. [0003] The collection device needs two people to work together to complete the sampling work. Every time the collection device collects a sediment sample, the mud grab bucket must be opened again with a pole. The sampling operation is complicate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10G01N1/04
Inventor 李铁军薛彬郭远明王范盛顾捷梅光明
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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