Auxiliary frame of narrow fabric combustion tester
A technology of combustion test and auxiliary frame, which is applied in the direction of using combustion for chemical analysis, etc., and can solve problems such as narrow fabrics, samples being curled by heating, and failure to reach the burning time.
Active Publication Date: 2014-02-19
CHENGDU HAIRONG TECHNICAL TEXTILES CO LTD
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Problems solved by technology
[0005] From the above excerpts, we can know that the minimum width of the fabric sample specified by GB shall not be less than 51mm, but some narrow fabrics (such as rope and belt fabrics) are too narrow to meet the width standard. When the combustion performance of the fabric is tested, it is directly hung on the sample holder bracket, causing the sample to be heated and curled when the sample is ignited, and quickly leave the flame, failing to reach the burning time specified by GB.
The test result does not meet the national standard 12s ignition time
Method used
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[0021] Example: see figure 1 , figure 2 , image 3 and Figure 4 , an auxiliary frame of a narrow fabric burning tester, which is a device for cooperating with a sample frame support for detection work, including a vertically arranged metal main body plate 2, and a connecting plate 5 connected to the lower end of the main body plate 2. The said The connecting plate 5 is sequentially provided with several fixed needle plates 3 in the vertical direction, each fixed needle plate 3 is provided with several fixed needles 4, and the upper end of the main body plate 2 is provided with a piece for connecting to the sample rack bracket. Buckle plate 1.
[0022] Preferably, the connecting plate 5 is disposed in the middle of the lower end of the main body plate 2 , on which the three needle plates 3 are fixedly connected by rivets, and the fixed needles 4 are arranged horizontally and evenly distributed on the same side of the needle plate 3 .
[0023] Preferably, the main body pla...
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Abstract
The invention provides an auxiliary frame of a narrow fabric combustion tester. The auxiliary frame is matched with a specimen holder support for detection. The auxiliary frame comprises a vertically arranged metal body plate and a connecting plate connected to the lower end of the body plate, wherein a plurality of fixing needle plates are sequentially arranged on the connecting plate in the vertically direction, each fixing needle plate is provided with a plurality of fixing needles, and a fastening plate for being connected to the specimen holder support is arranged at the upper end of the body plate. According to the auxiliary frame, narrow flame-retardant fabric such as ropes, belts and the like is fixed on side surfaces of the fixing needle plate through the fixing needles, and positions between the narrow flame-retardant fabric and flames are adjusted through sliding the fastening plate on the specimen holder support for combustion tests. The narrow flame-retardant fabric is fixed on the fixing needles and prevented from leaving the flames quickly due to crimp with heat, so that national regulations are satisfied, and testing standards are met.
Description
technical field [0001] The invention relates to the field of experimental equipment, in particular to an auxiliary frame of a narrow fabric burning tester. Background technique [0002] Since ancient times, people have attached great importance to fire prevention and flame retardant, and the Song Dynasty also set up a special fire protection agency. With the development of society and the emphasis on life, the state has mandatory regulations on the flame retardant properties of textile materials used in many fields such as construction and public transportation. [0003] "GB / T5455-1997 Vertical Test of Textile Combustion Performance" specifies the structure, ignition method and time, and the size of the sample holder of the vertical combustion tester. The following is a partial excerpt from the "GB / T5455-1997 Vertical Test of Textile Combustion Properties": [0004] "Sample clip: used to fix the sample to prevent curling and keep the sample in a vertical position. The samp...
Claims
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IPC IPC(8): G01N31/12
Inventor 李峰朱丽娟王静李仲暄董振华王筱敏邹彬董立森
Owner CHENGDU HAIRONG TECHNICAL TEXTILES CO LTD