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Handheld Columnar Sediment Sampler

A sediment and hand-held technology, applied in the field of hand-held columnar sediment samplers, can solve problems such as difficulty in maintaining sample integrity, lack of re-sampling capability, and easy fall-off

Active Publication Date: 2021-06-25
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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  • Handheld Columnar Sediment Sampler
  • Handheld Columnar Sediment Sampler
  • Handheld 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] Such as 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 uppe...

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Abstract

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. It includes separating rubber sleeve, sampling head, sampling outer cylinder, sampling inner cylinder, end sealing head, water sealing cover, unlocking slider and locking sleeve, etc. The sampling outer cylinder and sampling inner cylinder are made of transparent materials, and the locking sleeve Made of high elastic material, the lower part is installed on the cylindrical inner mounting platform of the upper installation cylinder, and the upper clamping plate is installed in the radial installation gap. The invention realizes in-situ sealing through the sealing mechanism after sampling, and realizes secondary sampling by using the unlocking mechanism. The invention can reduce the loss of samples during the sampling and transfer process, and the second sampling can ensure the success rate of sampling, improve the sampling efficiency, and can also preserve the bottom water while collecting sediments, which is convenient for subsequent research.

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 Patents(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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