Fishing spear driving device and fishing spear

Abstract

The invention relates to a fishing spear driving device and a fishing spear. The fishing spear driving device comprises a rotary body, a supporting piece and an elastic piece; the rotary body is used for being fixedly connected with the fishing spear; an outer continuous spiral structure used for being matched with a supporting sleeve in a spiral mode or an outer matching structure used for being matched with the inner continuous spiral structure of the supporting sleeve is arranged on the outer circumferential face of the rotary body so that the rotary body can rotate under the guiding of the supporting sleeve when being axially jacked and pressed; the supporting piece is assembled on the rotary body in a reciprocating motion mode and in a mode of being capable of being popped out and retracted inwards, and the supporting piece which is popped out is used for being supported on the supporting sleeve; the elastic piece is mounted on the rotary body and applies elastic acting force to the supporting piece to force the supporting piece to pop out; and when the rotary body and the supporting sleeve are assembled, the supporting piece is retracted inwards so that the rotary body can be downwards mounted in the supporting sleeve in a reverse rotating mode, and when the rotary body rotates forwards by a set angle so as to move upwards to a set position, the supporting piece is driven by the elastic piece to pop out.

Description

technical field [0001] The invention relates to the field of oil and gas field fishing equipment, in particular to a fishing spear driving device and a fishing spear. Background technique [0002] At present, during the development of oil and gas fields, steel wires are often used for oil well testing operations and fishing operations. However, during the testing process, the steel wires used often fall into the oil wells, so special fishing tools are required for wire fishing. There are also some fishing spears in the prior art, for example, a Chinese invention patent application whose application publication number is CN103573204A discloses a fish fishing device through a variable diameter pipe column steel wire, which includes a central rod, which is the fishing spear, and the central rod is the fishing spear. There is a fishing hook on the rod. During the fishing operation, the steel wire head is bent by the impact force formed by the central rod on the steel wire, and t...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a fishing spear to solve the technical problem that the fishing hook of the existing fishing tool is difficult to grab the steel wire that fell into the well; at the same time, the present invention also provides A fishing spear driving device for the fishing spear

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