Hand-held columnar sediment sampler

A sediment, hand-held technology, applied in the field of hand-held columnar sediment samplers, can solve the problems of easy shedding of sediments, easy to be washed by seawater, and inability to preserve seawater samples, etc.

Active Publication Date: 2019-08-06
NAT DEEP SEA CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the sampler is inserted into the sediment and lifted up, the sediment inside the sampler is easy to fall off (if it is sand, it is especially easy to fall off), and during the ascent of the submersible, if the seal is not good, it is easy to Washed by seawater, it is difficult to maintain the integrity of the sample, it is difficult not to be disturbed
At the same time, the seawater samples at the sampling location cannot be saved, and there is no secondary sampling capability

Method used

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  • Hand-held columnar sediment sampler
  • Hand-held columnar sediment sampler
  • Hand-held columnar sediment sampler

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Embodiment Construction

[0026] Below in conjunction with accompanying drawing and example the present invention will be further described:

[0027] like Figure 1-Figure 14As shown, the hand-held columnar sediment sampler of the present invention includes a separating rubber sleeve 1, a sampling head 2, a sampling outer cylinder 3, an end sealing sleeve 4, a clamping side plate 5, a draw bar 6, a draw seat 7, an increaser Range rod 8, upper installation cylinder 9, sampling inner cylinder 10, end closure head 11, filling sleeve 12, lower installation cylinder 13, water sealing cover 14, sealing cover return spring 15, range-extending slider 16, traction return spring 17. Unlocking the pressing sleeve 18, unlocking slider 19, traction buffer spring 20 and locking sleeve 21, with the sampling end of the present invention as the lower end direction and the operating end as the upper end direction, the inner side of the separating rubber sleeve 1 is stepped cylindrical, and the outer side is The upper p...

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Abstract

The patent of the invention, which belongs to the field of deep sea geological exploration equipment, particularly relates to a hand-held columnar sediment sampler comprising a separating rubber sleeve, a sampling head, an outer sampling cylinder, an inner sampling cylinder, an end-portion sealing head, a water passing sealing cover, an unlocking sliding block and a locking sleeve and the like. The outer sampling cylinder and the inner sampling cylinder are made of transparent materials; and the locking sleeve is made of a high-elasticity material, the lower part of the locking sleeve is installed at a cylindrical inner-side mounting bench of an upper mounting cylinder, and an upper clamp plate is installed in a radial mounting notch. According to the invention, in-situ sealing is realizedby a sealing mechanism after sampling completion; and secondary sampling is realized by using an unlocking mechanism. Therefore, the sample loss in the sampling and transferring processes can be reduced; with the secondary sampling, the sampling success rate can be ensured; the sampling efficiency can be improved; and the bottom water covering can be stored while the sediments can be collected, so that the follow-up study can be performed conveniently.

Description

technical field [0001] The patent of the invention belongs to the field of deep-sea geological exploration equipment, and specifically relates to a hand-held columnar sediment sampler. Background technique [0002] The structure of the sediment sampler carried by the existing submersible is relatively simple. After the submersible reaches the deep sea sampling point, it uses the manipulator to grab the sampler and insert it directly into the sediment. After the sample is obtained, it is placed in the sample box to complete the sampling. However, when the sampler is inserted into the sediment and lifted up, the sediment inside the sampler is easy to fall off (if it is sand, it is especially easy to fall off), and during the ascent of the submersible, if the seal is not good, it is easy to Washed by seawater, it is difficult to maintain the integrity of the sample, and it is difficult not to be disturbed. At the same time, the seawater samples at the sampling location cannot ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10G01N1/08
CPCG01N1/08G01N1/10G01N2001/1031
Inventor 高伟田旭景春雷许岳刘保华
Owner NAT DEEP SEA CENT
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