An independent lifting mechanism and method for iron driller's turnbuckle pliers capable of multiplying the stroke

Abstract

The invention discloses an independent lifting mechanism a double-augmented stroke iron driller spinning wrench. The independent lifting mechanism comprises a frame assembly, a guide body, a supporting frame assembly, a spinning wrench assembly, and a sliding block assembly, wherein the frame assembly comprises two frame bodies, the frame bodies are connected by an upper beam and a lower beam, andtwo guide rails are vertically connected between the upper beam and the lower beam; and a guide body is installed between the two guide rails, the supporting frame assembly comprises a vertical plate, the sliding block assembly is arranged on the surface of the vertical plate, the sliding assembly is provided with a sliding block, the sliding block can move along a sliding rail, an oil cylinder lug seat is arranged on the lower beam and connected with a lifting oil cylinder, the lifting oil cylinder is connected with a supporting block, the side of the supporting block is connected with a sprocket wheel through a rotating shaft, and a lifting chain is arranged on the sprocket wheel. The independent lifting mechanism has a double-augmented stroke function, a big stroke is obtained while saving space, and lifting double-augmented stroke of the spinning wrench can be realized through cooperation using of a lifting liquid cylinder, the sprocket wheel and the chain.

Description

technical field [0001] The invention belongs to the technical field of petroleum drilling and production equipment, and in particular relates to an independent lifting mechanism of an iron driller's turnbuckle pliers capable of multiplying strokes, and also relates to an independent lifting method of the iron driller's turnbuckle pliers. Background technique [0002] Iron driller is one of the important automation equipment in modern drilling. It is currently the most advanced torque make-up and break-out equipment. In automatic drilling production, it can complete the make-up and break-out work of drill pipes, drill collars and other drilling tools to improve production efficiency. and security. The iron drillers currently used are divided into telescopic arm type, track type, suspension type, etc. When handling drilling tools, it is necessary to move the iron driller's spinner pliers, punching pliers and other components to the wellhead or rat hole: the backup tongs tighte...

AI Technical Summary

Problems solved by technology

[0003] However, judging from the current use of iron drillers in oil fields, whether it is a telescopic arm type or a track type, the height distance between the turnbuckle tongs, punching tongs, and backup tongs is very small or even non-adjustable. , and the turnbuckle pliers follow the upper body or lowering of the punching pliers and backup tongs as a whole, which makes it impossible for this type of iron driller to deal with some joints that are too long and whose size is different from the length of conventional drill pipe joints Drilling tools, especially on offshore platforms, often use special-sized short joints, pipe collars and other drilling tools, and conventional iron drillers cannot handle such drilling tools at all due to their own structural limitations. The iron driller can only be removed and processed with the help of other drilling tools, which will inevitably reduce the efficiency of the iron driller in handling drilling tools and affect the drilling work efficiency

Images