Position adjusting device for three-arm cab of heading machine

The utility model provides a position adjusting device for a three-arm cab of a heading machine, which relates to the technical field of heading machines, is used for a three-arm heading machine for digging roadways, and comprises an adjusting mechanism, a driving mechanism and a driving mechanism, the adjusting mechanism comprises a power assembly fixedly arranged at the top of the three-arm heading machine and a moving assembly fixedly arranged at the top of the three-arm heading machine, an adjusting assembly is fixedly arranged at the top of the moving assembly, and a lifting assembly is fixedly arranged at the top of the adjusting assembly; the cab is fixedly arranged at the top of the lifting assembly, and the adjusting mechanism is used for adjusting the position of the cab; the lifting assembly comprises a first supporting plate fixedly arranged on the top of the three-arm heading machine, and the outer wall of a first gear is meshed with a first connecting assembly. According to the utility model, a