The present invention provides a simple and inexpensive means of measuring the total operating time of the electric chain hoist. The electric chain hoist, comprising: Lift the motor to drive the load falling; driven by the electric motor to rotate the sprocket; chain gear engaging with said first link and said first link orthogonal The second link formed by connecting alternately load chain; one end of the load chain of connected load components; and operating the load chain lift down button, wherein the electric chain hoist including through the second link the number of times the measurement of the measuring device.
Electric chain hoist
2015-04-29
Patent
Elektronische Ressource
Englisch
IPC: | B66D Haspeln , CAPSTANS |