A hand-operated gamma flaw detector with detachable transmission
A flaw detection machine, hand-operated technology, applied in the field of radiation detection, can solve the problems that the operator is close to the radiation source, receives more radiation exposure, consumes physical strength, etc., and achieves the effect of improving the scope of application, avoiding radiation, and improving safety
Active Publication Date: 2017-04-05
ENERGY CHINA APCC
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Problems solved by technology
[0003] Due to the limitation of on-site working conditions and equipment costs, the widely used gamma ray flaw detectors are hand-operated flaw detectors. The advantages of this kind of flaw detector are cheap and flexible, but the disadvantage is that the distance between the operator and the ray source is short. There are relatively many radiation exposures, and the exposure time needs to be manually timed, which is easy to make mistakes, and manual operation is labor-intensive
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Embodiment Construction
[0022] Such as Figure 1-3 As shown, a hand-operated gamma flaw detector with detachable transmission, the hand-operated gamma flaw detector body 11 includes a crank handle 11-1, which is fixed around the chassis of the hand-operated gamma flaw detector body 11 There are studs 11-2 (such as image 3 shown).
[0023] The transmission device includes an outer frame 1 fixed on the upper end of the fixed frame 9, the bottom end of the fixed frame 9 is fixed with a horizontal leg 9-1, and the horizontal leg 9-1 is provided with a fixing hole 9-2; the outer frame The bottom end surface of 1 is provided with transmission blade 8, and the center of transmission blade 8 is provided with shaft hole 8-2, and one side of transmission blade 8 is provided with the notch 8-1 that fits with crank handle 11-1 (such as figure 2 shown).
[0024] Such as figure 1 As shown, the shaft hole 8-2 of the transmission blade 8 is connected with the output shaft of the motor 7, and the outer frame 1 ...
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The invention provides a hand-operated gamma flaw detector with detachable transmission, which comprises a hand-operated gamma flaw detector body and a transmission device movably connected with the hand-operated gamma flaw detector body. On the outer frame at the upper end of the fixed frame, transmission blades are provided on the bottom surface of the outer frame; a shaft hole is provided in the middle of the transmission blade, and the shaft hole is connected with the output shaft of the motor arranged in the outer frame, and the transmission blade One side of the hand-cranked gamma flaw detector is provided with a notch that fits with the crank handle of the hand-cranked gamma flaw detector body. The transmission device and the body of the hand-operated gamma flaw detector are movably connected, which can facilitate the connection and separation between them, making it suitable for various working conditions and improving its scope of application. The transmission device is used to control the rotation of the crank handle to realize the taking out or retracting of the radioactive source, thereby avoiding the radiation of the radioactive source to the staff, improving safety, and saving labor and time.
Description
technical field [0001] The invention relates to the technical field of radiation detection, in particular to a hand-operated gamma flaw detector with detachable transmission. Background technique [0002] Radiographic flaw detection is a common method for internal quality inspection of metals or non-metals in industry. It uses the penetration and linearity of gamma rays to detect defects such as pores and slag inclusions inside parts. Because when gamma rays pass through (irradiate) a substance, the greater the density of the substance, the more the ray intensity will be weakened, that is, the less intensity the ray can penetrate through the substance, and when the gamma ray passes through a defective path than The density of the material penetrated by the path without defects is much smaller, and its intensity is weakened less, that is, the intensity of penetration is greater. [0003] Due to the limitation of on-site working conditions and equipment costs, the widely used...
Claims
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IPC IPC(8): G01N23/00
Inventor 王勇蓝锦王敏刘志权郭靖
Owner ENERGY CHINA APCC