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A box-type dredger suitable for shallow sediment collection and its application method

A dredger and collector technology, which is applied in sampling devices and other directions, can solve the problems of physical fitness test of operators, difficulty in collecting sediment, and few types, and achieves the effect of high sampling success rate.

Active Publication Date: 2022-06-21
HOHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few types of box-type mud extractors, and the excitation method is single. It is difficult to achieve high-efficiency sediment collection during the sampling process, and it brings a great test to the physical fitness of the operators.

Method used

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  • A box-type dredger suitable for shallow sediment collection and its application method
  • A box-type dredger suitable for shallow sediment collection and its application method
  • A box-type dredger suitable for shallow sediment collection and its application method

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Embodiment Construction

[0026] The technical solutions of the present invention will be further explained below with reference to the accompanying drawings.

[0027] Control attached figure 1 , a box-type dredger suitable for shallow sediment collection, its structure includes a support frame 2, a mud storage box 1, a grab bucket 3, and a transmission control device; the top of the mud storage box 1 is fixedly installed with a support frame 2. The bottom center of the mud storage box 1 is symmetrically connected to the grab bucket 3; the transmission control device includes an exciter 4 and a wire rope 5. The exciter 4 is installed on the support frame 2, and is connected to the grab bucket 3 through the wire rope 5. Fixed connection on top. The grab bucket 3 is movably connected with the mud storage box 1 through hexagonal bolts, a return spring 11 is fixed on the hexagonal bolts, and the other end of the return spring 11 is fixedly connected with the outer edge of the grab bucket 3; a sealing ring...

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Abstract

The invention relates to a box-type dredger suitable for collecting shallow bottom mud and its use method. mud picker. Its structure includes a support frame, a mud storage box, a grab bucket, and a transmission control device; the transmission control device includes an exciter and a steel wire rope. The exciter is installed on the support frame and is fixedly connected to the upper edge of the grab bucket through the steel wire rope. The exciter includes a start pin. and connectors. The bottom of the mud storage box and the outer edge of the grab bucket are connected by a return spring. Pull the start pin, and the grab closes under its own gravity and the elastic force of the return spring to complete the collection of sediment. The design is simple and easy to operate. It adopts a purely mechanical design to avoid faults such as short circuits caused by electricity used for sampling in sediments, and avoids the disadvantages of tilting and incomplete closure when the grab is closed. It has a high sampling success rate, saves time and effort, It can be used repeatedly and efficiently.

Description

technical field [0001] The invention relates to a box-type dredger suitable for shallow bottom sediment collection and a use method thereof, belonging to the technical field of dredger equipment. Background technique [0002] The sediments in the water are formed after a long period of scouring and deposition, which contains a large amount of pollutants. The release process will cause certain harm to the water quality and aquatic biological systems. Therefore, in the process of studying the aquatic ecosystem, the sediment in the water is The collection and analysis of surface sediment is particularly important. [0003] The types of dredgers are mainly divided into three categories: cylindrical dredgers, three-type grab dredgers and box-type dredgers. During the sampling process, different dredgers are selected according to the sampling requirements, environment, terrain and other constraints. Box-type dredgers are often used in sampling points with supporting structures. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/12
CPCG01N1/12
Inventor 敖燕辉王东旭谢道月王沛芳陈娟
Owner HOHAI UNIV
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