Horizontal overhead tensioning device for motor rotor conducting bars

Abstract

The invention discloses a horizontal overhead tensioning device for motor rotor conducting bars, which comprises a machine body base, supporting and rotating mechanisms, an axial movement mechanism and a rolling mechanism, wherein the supporting and rotating mechanisms are arranged on two sides of the surface of the machine body base and used for horizontally supporting and circumferentially rotating a rotor workpiece, the axial movement mechanism is arranged on the surface of the machine body base and used for driving the supporting and rotating mechanism to drive the rotor workpiece to movein the axial direction in a reciprocating mode, and the rolling mechanism is erected on the machine body base, positioned above the supporting position of the rotor workpiece and used for being tightly abutted against each conducting bar on the rotor workpiece so as to enable the conducting bars to be tensioned in iron core grooves through reciprocating rolling. The device disclosed by the invention provides horizontal support and circumferential rotation driving for the rotor workpiece through the supporting and rotating mechanisms, enables the rotor workpiece and the rolling mechanism to form relative reciprocating movement by using the axial movement mechanism, and enables the rolling mechanism to perform rolling and tensioning on the conducting bars one by one, so that the tensioning efficiency of the motor rotor conducting bars is improved, the uniform and consistent tensioning degree and the uniform and continuous tensioning deformation of the conducting bars are ensured, and thepotential safety hazards are eliminated.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a horizontal overhead tensioning device for a motor rotor guide bar. Background technique [0002] With the development of China's machinery industry, more and more machinery and equipment have been widely used. [0003] The occasions involving mechanical rotation often need to be realized by means of electric motors. Three-phase asynchronous motors are a type of induction motors, which are powered by simultaneous access to 380V three-phase AC current. The squirrel-cage motor is a kind of three-phase asynchronous motor. The squirrel-cage rotor is the rotating part of the squirrel-cage motor. Generally, copper or aluminum rotor coils are cast in the cage-shaped slots on the rotor core. [0004] The copper guide bar of the squirrel cage rotor of the AC motor needs to be tightened and fixed in the rotor core slot to prevent the axial displacement of the copper guide bar during the m...

AI Technical Summary

Problems solved by technology

However, manual pneumatic punches are used for impact tensioning, the labor intensity is too large, and the tensioning depth of the guide bars is unstable and the quality is uneven

However, through the jogging impact tensioning method of the equipment, when the narrow notch guide strip is tightened, the punch is prone to cracking, which has hidden dangers to personal and product safety, and when jogging the guide strip, it is easy to cause the guide strip to be broken. The deformation of the guide bar is uneven and uncontrollable. At the same time, it is easy to form a wave-like deformation layer on the surface of the guide bar. The tension effect of the guide bar is not good, and the degree of tension is uneven.

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