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Bearing different device trailer bearing
Bearing different device trailer bearing
2014-11-04 by seoerccy
Telescopic crane safety device: When the unexpected accident, telescopic boom cylinder circuit of the high-pressure hose or pipe burst or cut off, the hydraulic circuit balancing valves on the work, the lower chamber of the cylinder lock from working oil trailer bearing, so hanging retracted on their own to ensure the safety of the operations.
4. Height limit device: hook after starting to rise to the height specified, touch the limit hammer, turn the trip switch, "over around" indicator crossed roller bearings light that is bright, and cut off the hook lifting, boom extended, boom volts and other actions to ensure safe operation. Then just drop manipulation hook, boom boom retracted or looked up (ie safe side operations), etc. When the handle so that the limit hammer untying, returned to normal operation. For special occasions, such as still need to make small amounts of over-winding operation, press the release button on the meter box, this time limit will be lifted role, but this time the operation must be very careful to avoid accidents.



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