Mold for manufacturing subject pile of solid hazardous article combustion rate test
A technology of burning rate and dangerous goods, which is applied in the field of board-mounted molds, can solve the problems of inaccurate length measurement, inability to control the precise direction and position of stacking, etc., to improve accuracy and reproducibility, and to achieve reasonable mold structure. Effect
Active Publication Date: 2017-03-29
广西出入境检验检疫局危险品检测技术中心
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Problems solved by technology
However, there is no positioning and aiming device on the mold of the prior art, and the precise direction and position of the stacking cannot be controlled, which will also cause inaccurate length measurement.
Method used
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[0021] The technical solution of the present invention will be described in further non-limiting detail below in combination with preferred embodiments and accompanying drawings.
[0022] refer to figure 1 and figure 2 , The mold of the present invention includes: a boundary plate 1, a falling middle plate 2 and a bottom plate 3.
[0023] The falling middle board 2 mainly includes a mold part 21 and two hand boards 22 . The mold part 21 has a rectangular shape as a whole, and a triangular groove 211 for containing powdery or granular test substances is arranged above it along the length direction. The length of the triangular groove 211 is 250 mm, and its longitudinal section is the bottom length. 20 mm, 10 mm high isosceles triangle. Several support positioning platforms 212 are arranged on the outer wall of the mold part 21, and these support positioning platforms 212 are all in the form of isosceles triangles, and the sharp corners face upward. Test substance remains....
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The invention discloses a mold for manufacturing a subject pile of a solid hazardous article combustion rate test. The mold comprises limiting plates, a falling middle plate and a base plate, wherein the falling middle plate comprises a mold portion and two hand plates, the mold portion is provided with a triangular groove, and the two hand plates are respectively arranged at two ends of the mold portion; the limiting plates are detachably arranged at the periphery of the mold portion, and are higher than the upper plane of the triangular groove; two base plate and the two hand plates are movably fit and connected with each other. The mold provided by the invention is reasonable in structure, and has the inhead type limiting plates, so that the defect of the existing mold device that the shape of the subject pile may be damaged when the limiting plates are removed is avoided, and accuracy and reproduction of combustible solid classification test are improved.
Description
technical field [0001] The invention relates to a mould, in particular to a boundary-plate-mounted mould, which is used for making stacks of objects to be tested in the burning rate test of solid dangerous goods. Background technique [0002] Section 33 of Part III of the 19th revised edition of the "Recommendations on the Transport of Dangerous Goods - Manual of Tests and Criteria" issued by the United Nations stipulates the test method for the classification of flammable solids, which requires the determination of flammability through the burning rate test. Packing group for solids (other than metal powders). In the burning rate test, stacks of test objects are required to be made by loosely packing a commercial form of powdered or granular material into a mold, dropping the mold 3 times from a height of 20 mm onto a hard surface, and then Remove the side boundary plate, place an impermeable, non-combustible, low thermal conductivity flat plate on the top of the mold, tur...
Claims
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IPC IPC(8): G01N1/36
CPCG01N1/36G01N2001/366
Inventor 严春杨伟华欧阳玉芳梁海靖
Owner 广西出入境检验检疫局危险品检测技术中心