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About crane overload limiter
For routine maintenance hanger hook
gantry you can do that you
• ( 1 ) spreaders in the course , where there is a spin lock rotation is not flexible or not in place , you should check
and adjust the adjusting nut , and then check the following areas:
• whether detent spring tension damage , such as damage , should be replaced ;
• ② whether catching transmission mechanism , overhead ladle crane such as catching , is poor lubrication , the
connection should be active in the transmission mechanism of filling oil ( or grease ) . In the case of the guide pin
too tight , loosen the nut should be appropriate . The case of a loose connection , transmission pipes or other
deformed bars should be corrected ;
• ③ buffer spring tension amount is too small , if it is too small , you should shorten the rope length buffer spring
connection.
• ( 2 ) the use of spreader instructions should prevent the paint off the board indicate identity . Once found,
indicating the need for timely identification of the original paint fill .
• ( 3 ) on the rope spreader should be cleaned and coated with timely oil or grease , particularly rope bends .
• ( 4 ) For the main force component , rings , spin locks, lug plate and rigging shackle, under clear conditions in
normal use , at least once every three months to check , without cracks and severe deformation.
• ( 5 ) All oil cup , oil cup including a ratchet mechanism , china double beam double trolley overhead crane sliding
seat bearing oil cups and oil cups spin lock box , the main activities should be timely filling oil connections based
on usage .
• ( 6 ) Always check Shengka is loose, the buffer spring is overstretched , identify problems and timely treatment.
• ( 7 ) Each spreader shall not exceed the rated capacity , buffer spring nor overstretched .
• ( 8 ) the lifting process should be smooth lifting to avoid spreaders and other equipment such as a crane or
deformation occurs collide .
Overspeed alarm control function
overload limiter
• When the appropriate conditions to achieve the rated lifting
capacity from more than 90 % by weight , can send a clear , small
gantry crane price distinct sound and light warning signal ( light
yellow ) ; When starting weight reached more than 100% from the
nominal weight , you can send a clear , distinct audible alarm signal
( light red ) , and only in the reduced to less than 100 % of rated
capacity when the alarm will stop ; when starting from the weight
reached 110% of the nominal weight , and immediately output
overload control signal , with crane the control circuit stops the
operation of the direction of increase , but the operation in the
lowering direction .
• When the speed exceeds the rated speed , the meter will send a
clear , distinct sound and light alarm signal ( light red ) , electric
hoist single girder gantry cranes and cut off the electrical circuit
corresponding to achieve the purpose of protection of lifting
equipment .

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About crane overload limiter

  • 2. For routine maintenance hanger hook gantry you can do that you • ( 1 ) spreaders in the course , where there is a spin lock rotation is not flexible or not in place , you should check and adjust the adjusting nut , and then check the following areas: • whether detent spring tension damage , such as damage , should be replaced ; • ② whether catching transmission mechanism , overhead ladle crane such as catching , is poor lubrication , the connection should be active in the transmission mechanism of filling oil ( or grease ) . In the case of the guide pin too tight , loosen the nut should be appropriate . The case of a loose connection , transmission pipes or other deformed bars should be corrected ; • ③ buffer spring tension amount is too small , if it is too small , you should shorten the rope length buffer spring connection. • ( 2 ) the use of spreader instructions should prevent the paint off the board indicate identity . Once found, indicating the need for timely identification of the original paint fill . • ( 3 ) on the rope spreader should be cleaned and coated with timely oil or grease , particularly rope bends . • ( 4 ) For the main force component , rings , spin locks, lug plate and rigging shackle, under clear conditions in normal use , at least once every three months to check , without cracks and severe deformation. • ( 5 ) All oil cup , oil cup including a ratchet mechanism , china double beam double trolley overhead crane sliding seat bearing oil cups and oil cups spin lock box , the main activities should be timely filling oil connections based on usage . • ( 6 ) Always check Shengka is loose, the buffer spring is overstretched , identify problems and timely treatment. • ( 7 ) Each spreader shall not exceed the rated capacity , buffer spring nor overstretched . • ( 8 ) the lifting process should be smooth lifting to avoid spreaders and other equipment such as a crane or deformation occurs collide .
  • 3. Overspeed alarm control function overload limiter • When the appropriate conditions to achieve the rated lifting capacity from more than 90 % by weight , can send a clear , small gantry crane price distinct sound and light warning signal ( light yellow ) ; When starting weight reached more than 100% from the nominal weight , you can send a clear , distinct audible alarm signal ( light red ) , and only in the reduced to less than 100 % of rated capacity when the alarm will stop ; when starting from the weight reached 110% of the nominal weight , and immediately output overload control signal , with crane the control circuit stops the operation of the direction of increase , but the operation in the lowering direction . • When the speed exceeds the rated speed , the meter will send a clear , distinct sound and light alarm signal ( light red ) , electric hoist single girder gantry cranes and cut off the electrical circuit corresponding to achieve the purpose of protection of lifting equipment .