Falling drill fishing device and engineering machinery

• Main Authors: ZHANG FUPENG, DONG SHUANGXI
• Format: Patent
• Language: Chinese; English
• Published: 26.04.2022
• Subjects: 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

The utility model provides a dropped drill fishing device and engineering machinery, and relates to the technical field of engineering construction, and the dropped drill fishing device comprises a connecting seat, an automatic reset structure and a hanging structure. One end of the hanging structure is rotationally connected with the connecting seat, so that the hanging structure can swing around a rotary connecting point, and a hanging part is arranged at the other end of the hanging structure, so that the falling drilling tool can be conveniently hooked. The automatic reset structure is arranged on the connecting base and matched with the hanging connection structure, the automatic reset structure is compressed to deform, the hanging connection part can be recycled towards the connecting base, and the fishing device can stretch into the falling drilling tool; after the external force is removed, the automatic reset structure can automatically reset, elastic force can be applied to the hooking structure in