Bidirectional reverse hooking fishing device

The utility model is applicable to the technical field of fishers, and discloses a bidirectional reverse hooking fishing device which is used for fishing a rotary excavating drill bit, at least one force unloading hole group surrounding the center of the rotary excavating drill bit is arranged at th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG GUIXIA, FENG DONGDONG, YANG WENBING, ZOU JIE, TONG XIN, LI QUAN, TIAN FAXIAN, YANG QINGDING, WU JIANDU, LIU BIAO, LEI BIN, LI YOULIN, LEI TIANFU, ZHAO HUIJUN, YUAN DONG, WANG WENWEN, ZOU DONGYU, ZHENG XIAOZHI, MA ZHENHAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The utility model is applicable to the technical field of fishers, and discloses a bidirectional reverse hooking fishing device which is used for fishing a rotary excavating drill bit, at least one force unloading hole group surrounding the center of the rotary excavating drill bit is arranged at the top of the rotary excavating drill bit, the force unloading hole group comprises two force unloading holes which are symmetrically arranged along the center of the rotary excavating drill bit, and the bidirectional reverse hooking fishing device comprises a fishing assembly and a driving mechanism. The fishing assembly is provided with two hook parts, one hook part is arranged in the first direction, the other hook part is arranged in the second direction, and the first direction and the second direction are parallel to each other and opposite in direction. The driving mechanism is connected with the fishing assembly and used for driving the fishing assembly to ascend, descend and rotate so that the hook part can