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A hydraulic scouring force measuring device and testing method

A force measuring device and hydraulic technology, which is applied in the direction of measuring device, fluid dynamics test, machine/structural component test, etc., can solve the problem of not being able to obtain it, and achieve the effect of easy operation and simple structure

Active Publication Date: 2019-07-12
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, there is no related device and corresponding method that can obtain the corresponding relationship between flow velocity and water scour force under different water qualities.

Method used

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  • A hydraulic scouring force measuring device and testing method
  • A hydraulic scouring force measuring device and testing method

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Experimental program
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Effect test

Embodiment

[0027] A hydraulic scouring force measuring device, simple in structure, convenient and practical, can be used as a device for measuring the hydraulic scouring force of water flow, to test the hydraulic scouring force of water flow at different flow rates, and to study the scouring effect of water flow on underwater structures. Provide a basis for rational design of the lower structure.

[0028] It specifically includes a water inlet 1 , a flow velocity measuring device 2 , a force measuring device 3 , a water outlet 4 and a test tube 5 . During the test, water flows into the test tube from the water inlet 1, and the water flow velocity can be measured through the flow velocity measuring device 2. The force measuring device 3 is composed of a series of high-precision pressure sensors 7, which can accurately test the scouring force of water flow at different flow rates. After completion, the water in the test tube is discharged from the water outlet 4, and a test cycle is compl...

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PUM

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Abstract

The invention relates to a sluicing force measurement device, and the device comprises a flat straight pipe body with two opened ends. The interior of the pipe body is provided with a flowing speed sensor for measuring the flowing speed of fluid, and a pressure sensor for measuring a sluicing force at a corresponding flowing speed. The flowing speed sensor and the pressure sensor are respectively connected with a control system. The sluicing forces at different flowing speeds can be precisely read through a digital display screen of the control system, and water can be drained from a water outlet after testing, thereby completing a testing cycle. According to the invention, the testing method for the sluicing forces at different flowing speeds is studied, and solves a problem that the sluicing force is difficult to measure precisely. Compared with the prior art, the method is closer to the practical application, and the device is simple in structure and is convenient to operate.

Description

technical field [0001] The invention relates to a hydraulic scouring force measuring device and a testing method. Background technique [0002] Underground engineering structures that work in dynamic water for a long time are more prone to damage than other parts. The fundamental reason is that the underwater structure is subjected to hydraulic erosion, and the structural materials are damaged by hydrodynamic erosion. Therefore, it is of guiding significance for the design of underwater structures to accurately measure the hydraulic erosion force of the structure. my country has carried out a large number of hydraulic scouring test research work, and made certain results. However, since most of the test work uses precision measuring instruments, the price is expensive and the environment is harsh. In actual engineering, due to factors such as cost and environment, the test is greatly restricted. [0003] In actual engineering, there will be different critical scouring for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L23/00G01M10/00
CPCG01L23/00G01M10/00
Inventor 李术才刘聪许振浩孙超群陈红宾高成路黄鑫林鹏周轮
Owner SHANDONG UNIV
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