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Novel building powder angle-of-repose testing device and using method

A testing device and angle of repose technology, which is applied in measurement devices, analysis materials, flow characteristics, etc., can solve the problems of poor reproducibility, complicated measurement operations, and low accuracy, and achieves a small footprint, compact device structure, and guaranteed accuracy. Effect

Inactive Publication Date: 2016-09-21
苏交科集团(江苏)安全科学研究院有限公司
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Problems solved by technology

This measurement method has many deficiencies in operation, due to the differences in device settings and operations, its reproducibility is poor and its accuracy is low
Moreover, the value of the angle of repose must be converted every time to obtain the value of the angle of repose, and the measurement operation is complicated

Method used

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  • Novel building powder angle-of-repose testing device and using method

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Embodiment 1

[0036] Such as figure 1 The structure schematic diagram of the construction powder angle of repose testing device of the present invention is shown, which is composed of a control mechanism 100 , a measurement mechanism 200 , a support mechanism 300 and a material delivery mechanism 400 .

[0037] Wherein the control mechanism 100 includes an instrument switch 101, an emergency stop switch 102, a rotating speed display 103, a rotating speed knob 104, a height display 105, a diameter display 106, an angle of repose display 107 and a thermal printer 108; the measuring mechanism 200 includes Scale collection plate 201, vertical infrared range finder 202 and horizontal infrared range finder 203; support mechanism 300 includes base 301, main bracket 302, rotating bracket 303, fixable nut 304, support rod 305 and clamp 306; Conveying mechanism 400, frequency conversion motor 401, stirring paddle 402, automatic closer 403, material storage tank 404 and dustproof cover 405; wherein su...

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Abstract

The invention discloses a novel building powder angle-of-repose testing device and a using method. The novel building powder angle-of-repose testing device comprises a control mechanism, a measuring mechanism, a supporting mechanism and a material conveying mechanism. The supporting mechanism is used for supporting the control mechanism, the measuring mechanism and the material conveying mechanism which are arranged on the upper portion. The control mechanism is in communication connection with the supporting mechanism and the material conveying mechanism. According to the novel building powder angle-of-repose testing device, the angle of repose of powder can be automatically worked out according to height and diameter data, and the defects that in the prior art, manual operation repeatability is poor, and testing precision is not high are avoided. To further guarantee the testing process precision, a dust cover is arranged on the upper portion of a material storage barrel, and pollution caused by mixing impurities is avoided. The material storage barrel is made of high-intensity FRP, and the state of the powder inside the material storage barrel can be observed in real time while the supporting intensity is guaranteed. The whole device is compact in structure, less space is occupied, the device is convenient to move when not needed, and angles of repose of all kinds of powder can be tested conveniently.

Description

technical field [0001] The invention relates to a measuring device for construction, in particular to a novel construction powder material angle of repose testing device and a using method. Background technique [0002] The angle of repose refers to the angle between the generatrix and the bottom plane of the cone formed when the granular material falls naturally and continuously from a certain height onto the plane. The angle of repose is an important part of determining the shear strength of powder materials, and the angle of repose reflects the internal friction characteristics and scattering properties of granular materials. When the material on the inclined surface of the cone has its gravity component force along the inclined surface equal to or less than the internal friction between the materials, the material particles will stand still on the inclined surface. The larger the angle of repose, the larger the internal friction and the smaller the scattering. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/00G01N11/00
CPCG01N15/00G01N11/00
Inventor 孙明胡红栾保华吴晞瑜苏志丽王俊张晓芹
Owner 苏交科集团(江苏)安全科学研究院有限公司
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