INVERTER-CONTROLLED HOIST
PURPOSE: To control the winding/lowering speed of a hoist by inverter control over a wide range. CONSTITUTION: Using a hoist with a crawling function which controls selective operation of a winding drum with either of a motor 11 for high-speed or a motor 21 for crawling speed, the motor 11 for high-...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
10.09.1996
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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Summary: | PURPOSE: To control the winding/lowering speed of a hoist by inverter control over a wide range. CONSTITUTION: Using a hoist with a crawling function which controls selective operation of a winding drum with either of a motor 11 for high-speed or a motor 21 for crawling speed, the motor 11 for high-speed and the motor 21 for crawling speed are driven respectively by an inverter 14 for high-speed and an inverter 24 for crawling speed, and the inverters are controlled by operating an operating part 30. |
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Bibliography: | Application Number: JP19950039595 |