Automatic retractable rod for lake underwater sampling tool

Abstract

The invention provides an automatic retractable rod for a lake underwater sampling tool and belongs to the technical field of lake water ecology. The automatic retractable rod is composed of a sealed cover, a fixed base plate, a power line, a retractable arm, a sheet controller, a fixing device, a sheet winding and plugging device and anti-sliding devices, and is characterized in that a winding and plugging sheet of the sheet winding and plugging device is composed of plugging blocks, a winding resilient sheet and a winding resilient sheet gear engaging groove; a riveting tongue is made of stainless steel and is rectangular; the length of the riveting tongue is 3cm to 5cm, the width of the riveting tongue is 2cm to 4cm and the thickness of the riveting tongue is 1mm to 5mm; the plugging blocks have a bread block shape and are made of plastic, glass or ceramic; the plurality of plugging blocks are arranged and the distance between the two adjacent plugging blocks is 0.5cm to 5cm; the plugging blocks are plugged into an inner cavity of an inner-layer retractable rod and work together with the anti-sliding devices, so that the retractable arm becomes a solid structure; the anti-sliding devices are arranged at the centers of the plugging blocks. The automatic retractable rod for the lake underwater sampling tool is simple to manufacture and has high operability, low cost and remarkable effect.

Description

technical field [0001] The invention relates to an automatic telescopic rod for a lake bottom sampling device, which belongs to the technical field of lake water ecology. Background technique [0002] A lake is a lake basin and the water body it contains. A lake basin is a natural depression that is relatively closed on the surface and can store water. According to the salinity of lake water, lakes can be divided into freshwater lakes with a salinity of less than 1g / L, saltwater lakes with a salinity of less than 1-35g / L, and salt lakes with a salinity of more than 35g / L. The source of lake water is precipitation, surface runoff, groundwater, ice and snow melt water, etc. In order to understand the lake more deeply, people have conducted comprehensive research on the lake. In the process of lake water ecology research, because many sampling devices need to be fixed on the bottom of the water in order to play their inherent role, the rods used in the current sampling device...

AI Technical Summary

Problems solved by technology

In the process of lake water ecology research, because many sampling devices need to be fixed on the bottom of the water in order to play their inherent role, the rods used in the current sampling devices are hollow rods and have no stretchability, resulting in the sampling devices used. Maneuverability is greatly reduced

This just causes the operator to arrive at the sampling place by boat, puts in or pulls out the water surface by force on the water surface, and the boat is movable on the water surface, often brings certain danger to the operator when carrying out operations on the water surface, so often some The experiment must wait until the weather is calm, which greatly limits the progress of the experiment

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