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A continuous detection device for displacement based on the working principle of dynamic balance

A technology of detection device and working principle, which is applied in the direction of measurement device, measurement capacity, volume measurement instrument/method, etc., can solve the problems of low measurement accuracy, not for sale, and high price, and achieves high measurement accuracy and reasonable layout. , the effect of cheap

Inactive Publication Date: 2018-07-13
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This kind of flow sensor is a patent owned by GDS company, the measurement accuracy is not very high, the price is expensive and it is not sold externally, it is difficult to buy in the market

Method used

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  • A continuous detection device for displacement based on the working principle of dynamic balance
  • A continuous detection device for displacement based on the working principle of dynamic balance
  • A continuous detection device for displacement based on the working principle of dynamic balance

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Embodiment Construction

[0016] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.

[0017] as attached Figure 1~4 As shown, the parts are cleaned with kerosene during assembly, and the matching surface is oiled after drying. The unprocessed surface of each part should be cleaned, the burrs should be removed, and the anti-rust paint should be dipped. Multi-layer raw tape is wrapped around the hydraulic cylinder to strictly ensure the tightness of the device.

[0018] Figure 1 The upper fixed plate 1 is fixed on the vertical wall, the thin-walled water pipe 2 is fixed on the upper fixed plate 1, and the lower end of the thin-walled water pipe is connected with a T-shaped tee interface 3, which is respectively connected to the high-precision water pressure sensor 4 and the The hose 7 is connected, and the connecting hose connects the two systems, so that the drainage of the sample can enter the hy...

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Abstract

The invention provides a water discharge quantity continuous detection device based on a dynamic balance work principle, and belongs to the technical field of mechanical engineering test. The water discharge quantity continuous detection device comprises a liquid level detection sub system and a liquid level control sub system, wherein the liquid level detection sub system comprises an upper fixing plate (1), a thin-wall water pipe (2), a T-shaped three-way connector (3), a high-precision water pressure sensor (4), a high-precision water pressure sensor fixing base (5), a middle fixing plate (6) and a connecting hose (7); the liquid level control sub system comprises a water pressure cylinder (8), a ball screw (9), a servo motor (10), a water pressure cylinder fixing seat (11), a servo motor guide rail (12), a ball screw device (13) and a lower fixing plate (14). The water discharge quantity continuous detection device has the advantages that the continuous high-precision measurement of the water discharge quantity is realized; the structure of the device is simple; the measuring precision is high.

Description

technical field [0001] The invention belongs to the technical field of mechanical engineering testing, and relates to soil mechanics triaxial tests, in particular to a device for continuously detecting the water displacement of a sample during super large triaxial tests. Background technique [0002] To measure the strength and deformation of soils, triaxial testers are often used, which are widely used and can be used to measure a variety of parameters, including shear strength and deformation properties, consolidation characteristics and soil permeability. Its main functions include the control of the magnitude of the principal stress, the measurement of volume displacement and pore pressure. The ultra-large triaxial tester is mainly used to complete large confining pressure and heavy load tests for cylindrical samples with a diameter of 1.0 meters and a height of 2.0 meters, and to test the strength and deformation characteristics of super-large samples, and can complete ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/06G01F22/00
CPCG01F22/00G01N3/064
Inventor 桑勇王亚杰赵健龙邵利来胡登极
Owner DALIAN UNIV OF TECH
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