Large-diameter seismic focus explosive column powdery charging device

The utility model discloses a large-diameter seismic focus explosive column powdery charging device which belongs to the field of civil explosive equipment manufacture. The device comprises an explosive charging shaft, a tray and an explosive charging tube, wherein the tray is connected with the exp...

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Bibliographic Details
Main Authors SHI WEIJING, ZOU KE
Format Patent
LanguageChinese
English
Published 11.01.2012
Subjects
AMMUNITION
BLASTING
EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:The utility model discloses a large-diameter seismic focus explosive column powdery charging device which belongs to the field of civil explosive equipment manufacture. The device comprises an explosive charging shaft, a tray and an explosive charging tube, wherein the tray is connected with the explosive charging tube together through threads; the hollowed explosive charging shaft is installed in the explosive charging tube; and an Archimedean curve-shaped helical blade is arranged on the surface of the explosive charging shaft. Compared with the prior art, the large-diameter seismic focus explosive column powdery charging device has the characteristics of reasonable design, simple structure, easy machining, convenient use and the like, effectively improves the charging density, and solves the problem of the charging of large-diameter seismic focus explosive columns.
Bibliography:Application Number: CN20112171218U