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River, lake and reservoir sediment cylindrical sampler

A technology of samplers and lakes and reservoirs, applied in the field of sampling tools, can solve the problems of difficult adjustment of different water environment, difficult control of entry depth, and difficulty in securing samplers, so as to improve the success rate of sampling, improve efficiency, and reduce the probability of tilting Effect

Inactive Publication Date: 2015-09-16
广西壮族自治区环境监测中心站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above patents have achieved the purpose of sampling to a certain extent, they also have the same defects. It is difficult to ensure that the sampler enters the water vertically into the sediment, it is prone to tilt, the depth of entry is difficult to control, and it is difficult to adjust for different water environments. , it is easy to cause inaccurate sampling

Method used

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  • River, lake and reservoir sediment cylindrical sampler
  • River, lake and reservoir sediment cylindrical sampler
  • River, lake and reservoir sediment cylindrical sampler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A columnar sampler for river and lake sediment (such as Figure 1-9 shown), including a sampling device, a metal casing, a metal counterweight part 4, an empennage balance device and a tail device. The sampling device includes a sampling column cutting head 1 and a sampling column plastic tube 2; the metal sleeve includes a lower metal sleeve 3 and an upper metal sleeve 5; the sampling column cutting head 1 is connected to the bottom of the sampling column plastic tube 2, and the lower metal sleeve 3. The metal counterweight component 4 and the upper metal casing 5 are connected to each other in sequence from bottom to top and fitted outside the plastic pipe 2 of the sampling column, and the top of the plastic pipe 2 of the sampling column is connected to the tail device. The plastic tube 2 of the sampling column is provided with a scale, and the plastic tube 2 of the sampling column is composed of two half tubes, usually two half tubes are divided into four and six poi...

Embodiment 2

[0036] A columnar bottom mud sampler for rivers and lakes, comprising a sampling device, a metal casing, a metal counterweight part 4, an empennage balance device and a tail device. The sampling device includes a sampling column cutting head 1 and a sampling column plastic tube 2; the metal sleeve includes a lower metal sleeve 3 and an upper metal sleeve 5; the sampling column cutting head 1 is connected to the bottom of the sampling column plastic tube 2, and the lower metal sleeve 3. The metal counterweight component 4 and the upper metal casing 5 are connected to each other in sequence from bottom to top and fitted outside the plastic pipe 2 of the sampling column, and the top of the plastic pipe 2 of the sampling column is connected to the tail device. The plastic tube 2 of the sampling column is provided with a scale, and the plastic tube 2 of the sampling column is composed of two half tubes, usually two half tubes are divided into four and six points. A metal weight rin...

Embodiment 3

[0040] A columnar bottom mud sampler for rivers and lakes, comprising a sampling device, a metal casing, a metal counterweight part 4, an empennage balance device and a tail device. The sampling device includes a sampling column cutting head 1 and a sampling column plastic tube 2; the metal sleeve includes a lower metal sleeve 3 and an upper metal sleeve 5; the sampling column cutting head 1 is connected to the bottom of the sampling column plastic tube 2, and the lower metal sleeve 3. The metal counterweight component 4 and the upper metal casing 5 are connected to each other in sequence from bottom to top and fitted outside the plastic pipe 2 of the sampling column, and the top of the plastic pipe 2 of the sampling column is connected to the tail device. The plastic tube 2 of the sampling column is provided with a scale, and the plastic tube 2 of the sampling column is composed of two half tubes, usually two half tubes are divided into four and six points. A metal weight rin...

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PUM

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Abstract

The invention discloses a river, lake and reservoir sediment cylindrical sampler. The sampler comprises a sampling device, metal casing pipes, a metal counterweight part, an empennage balancing device and a tail device. A sampling column cutting head is connected to the bottom end of a sampling column plastic pipe. The top end of the sampling column plastic pipe is connected to the tail device. The lower metal casing pipe, the metal counterweight part and the upper metal casing pipe orderly sleeve the sampling column plastic pipe from bottom to top. A guide empennage main rack of the empennage balancing device sleeves the upper part of the upper metal casing pipe and empennage slices are uniformly distributed on the guide empennage main rack. One end of a pull rod of the tail device is connected to a hooked hammer support by a hooked hammer and the other end goes through a rubber plug support and is connected to a rubber plug. A spring is installed on the pull rod between the rubber plug and the top of the rubber plug support. The rubber plug support is fixed to a tail main frame. Support legs of the hooked hammer support go through an iron ring fixed to the rubber plug support and are connected to the rubber plug support. The tail support is connected to tops of the sampling column plastic pipe and the upper metal casing pipe. The river, lake and reservoir sediment cylindrical sampler has the characteristics of detachable performance, carrying convenience, high sampling efficiency and easy sample taking.

Description

technical field [0001] The invention belongs to the technical field of sampling tools, in particular to a columnar sampler used for collecting bottom mud of rivers, lakes and reservoirs. Background technique [0002] In environmental monitoring, it is usually necessary to sample and analyze the sediment of rivers and lakes to understand the composition of sediment at different depths, the content of organic matter or pollutants, etc., in order to analyze the environmental conditions of rivers and lakes. Sediment sampling is a highly technical monitoring task, but there are not many types of sediment columnar samplers, and the sampling efficiency is not high, it is difficult to take out samples, and the samples are squeezed, resulting in large detection errors and heavy weight. , Inconvenient to carry and many other problems. At the same time, for the water environment with fast water flow and strong fluidity, when the sampler is thrown, the sampler is tilted, inserted into ...

Claims

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Application Information

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IPC IPC(8): G01N1/12
Inventor 张海强李丽和藤云梅邓超冰廖平德
Owner 广西壮族自治区环境监测中心站