A docking mechanism suitable for water sample collection

A docking mechanism and water sample technology, applied in the sampling device and other directions, can solve the problems of inapplicable automatic water sample acquisition system, large driving torque, large volume, etc., and achieve the effects of fast moving speed, accurate docking, and simple and compact structure

Active Publication Date: 2021-01-12
SHANGHAI UNIV
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  • Claims
  • Application Information

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Problems solved by technology

However, the existing automatic docking devices generally have the disadvantages of large volume, large mass, and large driving torque, and are not suitable for automatic water sample collection systems for unmanned surface vehicles.

Method used

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  • A docking mechanism suitable for water sample collection
  • A docking mechanism suitable for water sample collection

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Embodiment Construction

[0011] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the embodiments.

[0012] Such as figure 1 As shown, a docking mechanism suitable for water sample collection includes upper and lower parts. The upper part is a passive docking mechanism, which consists of a linear push rod 101, a two-degree-of-freedom planar translation mechanism 102, and a bellows coupling 103. and the upper butt joint 104; the upper butt joint 104 is connected with the two-degree-of-freedom plane translation mechanism 102 through the bellows coupling 103, realizing the translational movement of the upper butt joint 104 on the horizontal plane, and the linear push rod 101 The translational movement of the upper butt joint 104 in the vertical direction is realized; the lower part is a water sample collection mechanism, which is composed of a layered water s...

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Abstract

The invention relates to an abutting joint mechanism suitable for water sample collection. The abutting joint mechanism includes an upper part and a lower part. The upper part is a passive abutting joint structure, and includes a linear pushing bar, a two-degree-freedom plane translation unit, a bellows coupler and an upper abutting joint. The upper abutting joint is connected to the two-degree-freedom plane translation unit through the bellows coupler, achieving translation movement of the upper abutting joint in the horizontal plane. The linear pushing bar achieves translation movement of the upper abutting joint in the vertical direction. The lower part is a water sample collection unit and includes a layered water sampler and a lower abutting joint. The lower abutting joint is fixed tothe top of the layered water sampler, and is provided with a pipeline inside used for extracting a water sample in the layered water sampler. The disclosed abutting joint mechanism has characteristics of a simple and compact structure and definite movement manners, can achieve three-dimensional translation movement in a high movement speed and a large movement range, thus achieving rapid and accurate abutting. The abutting joint mechanism is suitable for automatic water sample collection in unmanned surface boats.

Description

technical field [0001] The invention relates to the fields of mechanics and robotics, in particular to a docking mechanism suitable for collecting water samples. Background technique [0002] Obtaining representative and effective samples from the water body environment, that is, water sample collection, is an important part of water quality monitoring in marine environmental monitoring. The precision of the sampling process and the precision of the sampling tools directly affect the results of water quality analysis and determination. At present, there are three main methods of water sample collection: sampling bottle sampling, electronically controlled multi-bottle water sampling device sampling, and pump water sampling. Due to the development of unmanned surface platforms such as unmanned surface vehicles and unmanned submarines, these platforms are required to realize automatic water sample collection. Therefore, automatic improvement is carried out on the existing man...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/14
CPCG01N1/14
Inventor 杨毅陈伟程启兴罗均田亚平
Owner SHANGHAI UNIV
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