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Device for fixing impactor

A technology of fixing device and sampler, applied in sampling device, measuring device, sampling and other directions, can solve the problem of unstable installation of collision sampler, and achieve the effect of improving experimental accuracy, ensuring precision and reducing experimental error.

Pending Publication Date: 2017-05-31
NANJING UNIV OF INFORMATION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a device for fixing the collision sampler for the problem of unstable installation of the existing collision sampler, which has played a good role in protecting the collision sampler and is more stable during monitoring. At the same time easy to carry

Method used

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  • Device for fixing impactor
  • Device for fixing impactor
  • Device for fixing impactor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as figure 1 , 2 Shown: Schematic diagram and photo of the traditional collision sampler.

[0039] A device for fixing a collision sampler, comprising a top fixing device, a bottom fixing device and a top lifting device;

[0040] Such as image 3 As shown: the top fixing device includes an adjustable fine iron ring No. 1 2 installed on the top cover of the collision sampler. The fine iron ring is equipped with a fine iron ring buckle No. 1 3 for adjusting the fine iron ring. The size of the ring; on the fine iron ring No. 1, three fine iron sheets 1 with three-ring inner buckle folds are installed at equal distances, and a static force is hung on the middle ring buckle of the three-ring inner buckle folds. rope 4;

[0041] Such as Figure 5 As shown: the bottom fixing device includes an adjustable size iron ring II No. 10 installed on the base of the collision sampler, and the fine iron ring II is also installed with a fine iron ring buckle II 9 for adjusting t...

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PUM

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Abstract

The invention discloses a device for fixing an impactor. The device comprises a top fixed device, a bottom fixed device and a top lifting device; the top fixed device comprises a refined iron hoop mounted on a cover at the top end of the impactor, and a refined iron hoop adjustable buckle is mounted on the refined iron hoop and used for adjusting the size of the refined iron hoop; more than three refined iron sheets with a tri-circle inner buckle edgefold are equidistantly mounted on the refined iron hoop, and a low-stretch rope is hung on a middle buckle of the refined iron sheet with the tri-circle inner buckle edgefold; the bottom fixed device comprises a refined iron hoop mounted on the base of the impactor, and a refined iron hoop adjustable buckle is also mounted on the refined iron hoop and used for regulating the size of the refined iron hoop; three refined iron thin columns with springs at the bottoms are equidistantly installed on the refined iron hoop, and the top end of each refined iron thin column is provided with a movable hook; the top lifting device comprises a handle, and more than three movable hooks are mounted at the lower end of the handle. The device plays a good role of protection for the impactor, and when the monitoring is carried out, the device is more stable and more convenient to carry at the same time.

Description

technical field [0001] The invention relates to a device for fixing a collision sampler, which belongs to the field of mechanical manufacturing. Background technique [0002] The impact sampler is a multi-stage, porous cascaded impact sampler, which is used for the classification and collection of particulate matter in the atmosphere, and the analysis of mass concentration and particle size distribution. Such as figure 1 As shown, the impact sampler is designed according to the principle of aerodynamics. It is composed of multiple impact discs, which can be disassembled. The finer particles are collected in the next three stages, and each impact disc has a strictly designed number and diameter of accelerated injection holes. When the sample air flow passes through each stage of the impact plate, the larger particles directly impact and stay on the surface of the impact plate due to inertia, while the smaller particles pass through with the air flow and reach the next stage...

Claims

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Application Information

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IPC IPC(8): G01N1/22
CPCG01N1/22G01N2001/2223
Inventor 赵怡
Owner NANJING UNIV OF INFORMATION SCI & TECH
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