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Tow bucket type sand-riverbed sand sampling system

A sampling system and sandy technology, applied in sampling, sampling devices, measuring devices, etc., can solve the problems of not being able to sample normally, not being close to the river bed, etc., to ensure the effect of normal sampling

Inactive Publication Date: 2017-09-05
HENAN INST OF ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Yet, because the traction applied to the guideline fixing device 8 by the guideline by the traveling ship is obliquely upward, this will cause the sampling port 4 to tilt and cannot be close to the riverbed, resulting in failure to sample normally.

Method used

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  • Tow bucket type sand-riverbed sand sampling system
  • Tow bucket type sand-riverbed sand sampling system
  • Tow bucket type sand-riverbed sand sampling system

Examples

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Embodiment Construction

[0012] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0013] Such as figure 2 As shown, the bucket-type sandy river bed sand sampling system of the present invention comprises: a sampling cylinder 1, and a partition plate 2 is arranged in the sampling cylinder along the axial direction, and the partition plate 2 divides the sampling cylinder 1 into upper and lower parts. part; one end of the sampling cylinder 1 is closed, such as figure 1 shown on the left; the other end is the sampling end, and its end face is inclined, such as figure 1 As shown on the right side; the sampling end is provided with a baffle plate 5, the lower edge of the baffle plate 5 is connected with the partition plate 2, and closes the upper part of the sampling end; the lower part of the sampling section is the sampling port 4, and the upper part of the sampling cylinder 1 A water outlet 6 is provided near the b...

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Abstract

The invention provides a tow bucket type sand-riverbed sand sampling system which comprises a sampling cylinder. A division board is axially arranged in the sampling cylinder, and the sampling cylinder is divided into two parts through the division board; one end of the sampling cylinder is enclosed; the other end of the sampling cylinder is provided with a sampling end, and the end face is of a slope; a stop board is arranged at the sampling end, and the lower edge of the stop board is connected with the division board and has the upper part of the sampling end enclosed; the lower part of a sampling section is provided with a sampling opening, and a water outlet is arranged in the position close to the stop block and above the sampling cylinder; an interconnecting hole is arranged in the enclosed end of the sampling cylinder so as to enable upper and lower parts of the sampling cylinder to be communicated; an inhaul fixing unit is arranged in the outside of the sampling cylinder; the inhaul fixing unit bypasses a roller of a river-bottom signal instrument via a first inhaul to be fixed with a boat through a second inhaul; the roller of the river-bottom signal instrument is connected with a sensor, and the sensor is connected with a counter weight through a third inhaul.

Description

technical field [0001] The invention relates to the field of hydrology, in particular to a bucket-type sand sampling system for sandy riverbeds. Background technique [0002] With the promotion and popularization of automatic flow measurement system, automatic flow measurement system has played an important role in the daily work of hydrological stations. The river bed quality sampler is an instrument for collecting sediment samples at a certain depth on or below the bed surface. At present, there are three types of known sand samplers for moving sandy riverbeds: dragging type (such as dragging sand barrel), digging type (such as bucket type sampler, etc.) and drilling type (such as piston type sampler, etc.) . [0003] Such as figure 1 As shown, the traditional bucket-type sandy river bed sand sampler includes a sampling cylinder 1, and a partition plate 2 is arranged in the sampling cylinder along the axial direction, and the partition plate 2 divides the sampling cylin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10
CPCG01N1/10G01N2001/1006
Inventor 李红艳褚钰张曦明王中锋悦国宁郝原
Owner HENAN INST OF ENG
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