Gear box jointly driven by winch and turntable

Abstract

The invention discloses a gear box jointly driven by a winch and a turntable. The gear box comprises a box body, an input shaft assembly, an intermediate shaft assembly and an output shaft assembly, wherein the input shaft assembly, the intermediate shaft assembly and the output shaft assembly are assembled in the box body; the input shaft assembly is coaxially and fixedly sleeved with a spur gearI and a spur gear IV; a shaft head at one end of the intermediate shaft assembly is connected with an automatic drill feeding clutch assembly, and a shaft head at the other end of the intermediate shaft assembly is connected with a turntable clutch assembly; the intermediate shaft assembly is sequentially and fixedly sleeved with a spur gear II, a spur gear III and a bevel gear I, and the intermediate shaft assembly is provided with a gear shifting mechanism; a shaft head at the inner end of the output shaft assembly is fixedly sleeved with a bevel gear II, and a shaft head at the outer end of the output shaft assembly is sleeved with a chain wheel I; the bevel gear I is matched and engaged with the bevel gear II; the chain wheel I is in transmission connection with a chain wheel II on aroller shaft assembly of the winch; and a push plate clutch II is arranged between the chain wheel I and the chain wheel II. According to the gear box, not only can the joint driving of the winch andthe turntable be realized, but also the winch or the turntable can be independently driven.

Description

technical field [0001] The invention belongs to the technical field of oil drilling rig equipment, and relates to a drawworks turntable combined drive gear box. Background technique [0002] The drawworks gearbox is the core part of the drawworks transmission, which plays a role in transmitting power, reducing the input speed of the motor, and increasing the output torque of the drawworks drum shaft, thereby realizing the lifting of the drilling rig, drilling tools, running casing, and handling accidents. [0003] At present, the drawworks and turntables of most electric-driven drilling rigs are independently driven, and each is equipped with a gearbox and a motor, which takes up a lot of space and is expensive; Moreover, the commonly used two-speed gearbox has four shaft assemblies, each of which is equipped with a special drill shaft, which has a complex structure and a large gearbox volume. Contents of the invention [0004] The purpose of the present invention is to p...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a winch turntable joint drive gearbox, which solves the problem of the low efficiency of the combined drive of the existing turntable and drawworks, and the large space and high cost of driving the turntable and drawworks alone; The problem with the large volume of the box

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