Convenient adjustment structure for motor bearing gap

Abstract

The invention discloses a convenient adjustment structure for a motor bearing gap. The convenient adjustment structure comprises a motor shaft, a front end bearing, a rear end bearing, a front end cover, a rear end cover, a front end bearing gland and a rear end bearing gland, wherein the outer circles of the front end bearing and the rear end bearing are respectively embedded into inner holes in the front end cover and the rear end cover; the inner circles of the front end bearing and the rear end bearing interference fit with the two ends of the shaft shoulder of the motor shaft in a sleeving manner; the right end surface of the front end bearing gland is in contact with the left end surface of the outer circle of the front end bearing; a gap is reserved between the right end surface of the rear end bearing and the left end surface of the rear end bearing gland; a gap adjustment device is arranged between the right end surface of the rear end bearing and the left end surface of the rear end bearing gland; the further improvement is that the gap adjustment device comprises a pressing plate and an adjustment screw; the adjustment screw is in threaded connection with the pressing plate; the end part of the adjustment screw penetrates through the pressing plate and is pressed against the pressing plate. According to the convenient adjustment structure, the axial gap of a motor bearing can be adjusted conveniently and quickly at any time; the operation is very simple.

Description

technical field

[0001] The invention relates to a bearing axial clearance adjustment structure, more specifically, the invention relates to an electric motor bearing axial clearance adjustment structure. Background technique

[0002] The existing motor bearing support structure generally includes a motor shaft, a front-end bearing, a rear-end bearing, a front-end cover, a rear-end cover, a front-end bearing gland, and a rear-end bearing gland; In the inner hole of the front end cover and the rear end cover, the interference fit of the front bearing and the inner ring of the rear end bearing is set on both ends of the motor shaft shoulder, the right end surface of the front bearing gland is in contact with the left end surface of the front bearing outer ring, and the right end There is a gap between the surface and the left end face of the rear end bearing gland, and the size of the gap is adjusted by setting a gasket between the rear end bearing gland and the connecting end ...

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