A dual-ratio gear box device for grid electric drilling rig

Abstract

The invention provides a novel grid electricity drilling machine dual-gear-ratio gearbox device, and belongs to the field of gearboxes. The novel grid electricity drilling machine dual-gear-ratio gearbox device comprises a base, a gearbox body and a speed changing main body; the gearbox body is mounted at the base; the speed changing main body comprises an input shaft, an output shaft, a first gear and a second gear; the input shaft and the output shaft are arranged in parallel; the first gear is arranged on the outer side of the input shaft in a sleeving manner; the second gear is arranged on the outer side of the output shaft in a sleeving manner; the first gear is engaged to the second gear; one end of the input shaft penetrates through the gearbox body and acts as a first input end; one end of the output shaft penetrates through the gearbox body and acts as a second input end; and the other end of the output shaft penetrates through the gearbox body and acts as an output end. With the adoption of the technical scheme, the novel grid electricity drilling machine dual-gear-ratio gearbox device can provide two gear ratios, the use requirements of various grid electricity drilling machines can be met, no reduction gearbox is required to be replaced frequently, the unproductive time is reduced, the labor intensity of staff is reduced, and the problem that grid electricity equipment is in shortage due to an allocation method of the grid electricity equipment is solved.

Description

technical field [0001] The invention relates to the field of gearboxes, in particular to a double-ratio gear gearbox device for a network electric drilling rig. Background technique [0002] At present, in oil drilling, in response to the national call for energy conservation and emission reduction, the use of grid power instead of diesel engines is promoted to provide power for mechanical drilling rigs and electromechanical composite drilling rigs. The power skid composed of a gearbox and a grid power motor is used as a power source. There is a big difference between the power transmission mode and the 70LD drilling rig. The transmission ratio of the gearbox required when using the grid electric motor is different. In the past, the grid electric motor used a fixed transmission ratio gearbox in the application, and the transmission ratio of the gearbox for the 40J / 50JDB drilling rig is 1:1, 70LDB drilling rig gearbox transmission ratio is 1:1.536, if the gearbox is damaged, ...

AI Technical Summary

Problems solved by technology

[0002] At present, in oil drilling, in response to the national call for energy conservation and emission reduction, the use of grid power instead of diesel engines is promoted to provide power for mechanical drilling rigs and electromechanical composite drilling rigs. The power skid composed of a gearbox and a grid power motor is used as a power source. There is a big difference between the power transmission mode and the 70LD drilling rig. The transmission ratio of the gearbox required when using the grid electric motor is different. In the past, the grid electric motor used a fixed transmission ratio gearbox in the application, and the transmission ratio of the gearbox for the 40J / 50JDB drilling rig is 1:1, 70LDB drilling rig gearbox transmission ratio is 1:1.536, if the gearbox is damaged, it needs to be replaced, different types of drilling rig gearboxes cannot be used for each other, which increases the difficulty of deployment and wastes drilling footage time

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