Precision shaft alignment for high-speed electric motor and dynamometer testing
AssigneeHoriba Instruments, Inc.
InventorsOctavian Musca, Jeffery A. Kass
Life of this patent
Estimating the term…
Abstract
An absorbing dynamometer system enables testing and alignment of electric motors. In one example, the system includes a dynamometer test stand with a front plate and a fixture plate that supports an electric motor, with their major faces in contact. A carriage mounted to the front plate carries an edge surface of the fixture plate and allows vertical and horizontal movement relative to the front plate. Alignment can be achieved using fixture clamps with spring-loaded ball units that press the fixture plate against the front plate. A first actuator moves a wedge within the carriage, enabling vertical adjustment, while a second actuator facilitates horizontal adjustment.
Claims18
An absorbing dynamometer system comprising:
- a dynamometer test stand including a front plate, a fixture plate configured to support an electric motor and mount to the front plate such that major faces of the front plate and fixture plate are in contact with each other, and a carriage, mounted to the front plate such that the carriage carries an edge surface of the fixture plate, configured to move the fixture plate vertically and horizontally relative to the front plate.
A method for aligning a shaft of an absorbing dynamometer system, comprising:
- installing fixture clamps on a front plate of a dynamometer test stand such that spring-loaded ball units of the fixture clamps press a fixture plate supporting an electric motor against the front plate;
- actuating a first actuator of a carriage mounted to the front plate to move a wedge of the carriage such that a tray of the carriage and the fixture plate moves vertically relative to the front plate;
- and
- actuating and second actuator of the carriage to horizontally push the fixture plate relative to the front plate.
A dynamometer test stand comprising:
- a fixture plate configured to support an electric motor and mount to a front plate such that major faces of the front plate and fixture plate are in contact with each other;
- and
- a carriage mounted to the front plate and configured to carry an edge surface of the fixture plate, the carriage including a platform, a tray supported by, and movable relative to, the platform, and an actuator configured to adjust a position of the tray relative to the platform to move the fixture plate vertically relative to the front plate.
Dependencies are inferred from the claim text.