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Dry-method strong-gamma source storing and driving device

A driving device and dry method technology, applied in the field of gamma ray reference radiation field construction, can solve the problems of low device cost, large floor area, low accuracy and reliability of the wire rope hoisting mechanism, etc., and achieve simple structure and small operating space , the effect of convenient operation

Active Publication Date: 2015-01-28
武汉海王核能装备工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device cost of the wet method device is relatively low, and the structure is simple, but it is necessary to set up special experimenters to regularly refill the source water well and check the water quality of the internal deionized water; at the same time, the accuracy and reliability of the wire rope hoisting mechanism are relatively high. Low
Moreover, if a strong gamma source is to be stored, a large water well is required, and the floor area is large
Therefore, the wet process device cannot meet the needs and engineering applications of on-site storage and driving of strong gamma sources

Method used

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  • Dry-method strong-gamma source storing and driving device

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Embodiment Construction

[0019] The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings and embodiments.

[0020] Such as figure 1 , figure 2 As shown, this embodiment provides a storage and drive device for a dry strong gamma source, including a lead shield, a drive cylinder, a fixed base and a limit switch.

[0021] The lead shielding body is composed of a main shielding body 2, a shielding shutter 3 and a drawer type shielding body 8, the driving cylinder is composed of a shutter driving cylinder 5 and a drawer driving cylinder 7, and the limit switch is composed of a drawer limit switch 9 and Shutter limit switch 10 forms. The shutter cylinder fixing base 4 and the drawer cylinder fixing base 6 are arranged on the fixing base 1 .

[0022] The bottom of the shielding shutter 3 is equipped with a mechanical wheel, which is fixed on the guide rail of the shutter cylinder holder 4. One end of the shielding shutte...

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Abstract

The invention relates to the technical field of construction of gamma ray reference radiation sites and provides a dry-method strong-gamma source storing and driving device. The dry-method strong-gamma source storing and driving device comprises a lead shield and a driving air cylinder, and the lead shield is composed of a main shield, a shield shutter and a drawer type shield. The drawer type shield is arranged in the middle of the main shield via a slide rail, one end of the drawer type shield is connected with a drawer driving air cylinder, one side of the main shield is provided with an emergence hole, the shield shutter is arranged at the opposite position of the emergence hole, and one end of the shield shutter is connected with the shutter driving air cylinder. The dry-method strong-gamma source storing and driving device pneumatically driven is simple in structure, convenient to operate and small in operation space, and is provided with automatic resetting and safety interlocking functions.

Description

technical field [0001] The invention relates to the technical field of gamma ray reference radiation field construction, in particular to a storage and drive device for a dry strong gamma source. Background technique [0002] The γ-ray reference radiation field is mainly used for the calibration of radiation protection dosimeters and dose rate meters, the calibration of personal dosimeters, and the determination of the energy response of dosimeters and dose rate meters. The establishment of the γ-ray reference radiation field is the premise and basis for the research and application of radiation protection. At present, only a few large-scale scientific research institutions in China have established gamma-ray reference radiation fields. [0003] The gamma source storage and driving device is an essential part of the gamma ray reference radiation field, and is mainly used to store the radioactive source and drive the radioactive source to exit and return during the test. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21F5/015G21F5/06
CPCG21F5/015G21F5/06
Inventor 徐江涛程翀钟秋林罗鹏张磊王东芹刘舜许浒
Owner 武汉海王核能装备工程有限公司
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