Geotechnical screening device

A technology of screening device and rotating device, which is applied in the direction of removing a certain component and weighing, etc., can solve the problems of cumbersome intermediate process, affecting the test process, and scattering of test particles, so as to achieve easy removal, speed up the test process, and reduce operation. effect of steps

Inactive Publication Date: 2017-09-29
HENAN POLYTECHNIC UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

Use ordinary geosieve to vibrate and then pour the particles into the balance for weighing. The intermediate process is cumbersome and inconvenient to operate, which affects the test process. At the same time, the test particles are often spilled due to operational errors, resulting in test errors.

Method used

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] Such as figure 1 , 2 , 3, 4, and 5, the present invention provides a geotechnical screening device, including a sieve drum 3, four sieve discs 1 are arranged in the sieve drum 3, the sieve drum 3 is circular, and several sieve discs 1 are provided with Sieve hole, the sieve aperture of sieve tray 1 decreases from the top layer to the bottom layer in turn, the diameter of sieve tray 1 is slightly smaller than the diameter of sieve cylinder 3, when the s...

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Abstract

The invention discloses a geotechnical screening device, which comprises a sieve drum, and a plurality of sieve discs are arranged inside the sieve drum, and a rotating device is arranged under each sieve disc, and the rotating device corresponds to the sieve disc up and down through a plug. Insertion, a pressure sensor is provided between the sieve tray and the rotating device, the pressure sensor is connected to the display control, the outer wall of the sieve cylinder is provided with a locking device, and the locking device controls the connection with the rotating device. The device is simple in structure, easy to operate, reduces operating steps, and improves test efficiency. Particles are easily removed from the sieve tray.

Description

technical field [0001] The invention relates to the technical field of screening test tools, in particular to a geotechnical screening device. Background technique [0002] Civil engineering experiments often require plotting particle grading curves to understand soil properties. To draw the particle grading curve, the particles need to be sieved, and after the sieving test, the particle content of each particle size needs to be weighed. The common method is to stack geosieves with different apertures up and down, and pour the test particles into the top layer. Inside the geosieve, vibrate the geosieve. After shaking, the remaining particles of geosieves with different sieve holes were poured into the balance tray for weighing, and the data was recorded to understand the content of particles of different particle sizes for subsequent analysis. The ordinary geosieve is used for vibration and then the particles are poured into the balance for weighing. The intermediate proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/04
CPCG01N5/04
Inventor 檀俊坤郭佳奇黄山秀刘希亮
Owner HENAN POLYTECHNIC UNIV
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