Screening device for controlling curvature gradation of soil
A sieving device and curvature technology, which is applied in the fields of sieving, solid separation, preparation of test samples, etc., can solve the problems of high labor intensity, cumbersome process, uneconomical, etc., and achieve easy operation, simple and fine structure, and detachable Effect
Active Publication Date: 2019-03-19
CHINA UNIV OF GEOSCIENCES (WUHAN)
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Problems solved by technology
At present, most of the sieving is still at the stage of completely relying on manual sieving, which is labor-intensive, time-consuming, laborious, and uneconomical. Various screening devices that are convenient for sieving have been studied in China, but they are limited to Vibration screening, the process of configuring soil samples with a certain particle size distribution is very cumbersome and imprecise
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Embodiment Construction
[0030] In order to make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0031] Such as figure 1 As shown, the embodiment of the present invention discloses a screening device for controlling the curvature gradation of soil, including a control panel 1, a support base plate 2 installed on the control panel 1, a support base installed on the support base plate 2 Main shaft 5, several fixed slide blocks 12 (with 4 fixed slide blocks in the figure) that are arranged on the said support main shaft 5, several support collars 6 (with 4 fixed slide blocks in the figure) that are enclosed within the support main shaft 5 support collar as an example), the screening box 7 set on the support collar 6 (taking 4 screening boxes as an example in the figure), the switch 3 and the wireless connection device 4 arranged on the control panel 1 ...
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The invention discloses a screening device for controlling curvature gradation of soil. The screening device comprises a control panel, a supporting bottom plate mounted on the control panel, a supporting main shaft mounted on the supporting bottom plate, a plurality of fixed sliding blocks disposed on the supporting main shaft, a plurality of supporting lantern rings sleeving the supporting mainshaft, screening boxes sleeving the supporting lantern rings and a vibrator disposed on the control panel. The multiple supporting lantern rings and the multiple fixed sliding blocks alternately sleeve the supporting main shaft, and the multiple screening boxes are separated by the fixed sliding blocks. Screening holes and movable supporting plates are arranged at the bottoms of the screening boxes, and soil samples loaded in the screening boxes are screened layer by layer through the screening holes. The soil samples in the screening boxes are removed by the movable supporting plates, and thescreening device is vibrated by the vibrator for screening. The screening device can monitor the weight of the soil samples in real time, and can change the weight of the soil samples at any time tocomplete the control over the curvature gradation of the soil.
Description
technical field [0001] The invention relates to the technical field of soil classification, in particular to a screening device for controlling the curvature gradation of soil. Background technique [0002] The purpose of soil classification is to recognize and identify the types of soil through classification, and to conduct research and evaluation on different types of soil in order to better utilize and transform the soil to adapt to and meet the needs of engineering construction. Soil classification is an engineering geological It is an important basic theoretical topic in soil mechanics and one of the important contents of soil mechanics. [0003] In the soil particle analysis experiment, the sieving method has a certain accuracy in measurement, so it is widely used in various projects. A set of sieves with different apertures is used to sieve the previously weighed soil samples. Weigh the soil remaining on each sieve and calculate the corresponding percentage. At pre...
Claims
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IPC IPC(8): B07B1/28B07B1/42B07B1/46G01N1/28
CPCB07B1/28B07B1/42B07B1/4609B07B2201/04G01N1/28
Inventor 唐辉明方堃方启东夏丁姜耀飞吴琼
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)