1. Should test lifting before each operation, lift the weight 200mm from the ground to test whether the brake is reliable, and it can be lifted after confirming safety.2. When working, the outdoor gantry crane wire rope should be lifted vertically. It is not allowed to slant, otherwise it will not only make the weight swing or collide with other objects, but even cause the crane to overturn.3. The distance between the hook and wire rope reel should be kept at a certain distance to prevent the hook from colliding with the reel to damage the reel, or the wire rope is broken, which may cause the ...
Windproof wedge is based on the mobile gantry crane requirements, new development key mechanical parts brake device. It is the most important parts of mobile gantry crane to protect the safety operation.The Windproof wedge is based on digestion and absorption of advanced technology, innovate and design a new type wind device to use during mobile gantry crane working state.When the windproof wedge is power on, the electric hydraulic pusher start moving, the pusher push rod rises rapidly, and lift up the windproof wedge through the lever and transmission mechanism to make the mobile gantry crane ...
With atmospheric environment deterioration, the acid of rain has increased, it also causes some impact on the outdoor gantry cranes, the anti-corrosion becomes a very important focus of outdoor gantry crane maintenance. Outdoor gantry crane anti-corrosion mainly have the following points:1. If the outdoor gantry cranes steel surface paint coat was damaged, it is necessary to clean the surface and paint with anti-rust coat and decorative paint to protect the metal surface, insure the steel will not be rusted in the rain and snow.2. At the active part of the outdoor gantry crane, such as sl ...
1. The rated load is indicated on the crane nameplate, never lift objects that exceed the crane machine rated load;2. It is forbidden to lift person, and never use the lifting crane machine as the lifting mechanism of the elevator to carry people;3. There must be no man underneath the lifting object;4. Can not lift while the lifting objects and hooks is rocking;5. Please move the crane machine and hoist directly above the object and then hoist it;6. The lifting limiter is not allowed to be used repeatedly as a brake;7. Do not lift the objects which connect to the ground;8. Must turn off the po ...
1. Check the oil quality and quantity of all electric bridge cranes parts, and add or replace the oil as required.2. Check whether each limit switch is sensitive and reliable; check whether the electrical appliances in the electrical box are sensitive and reliable; check whether the motor, bell and wire are safe and reliable; check whether the signal light is good.3. Check the joints of electric bridge crane for looseness, especially the abnormal wear of the elastic rubber ring of the elastic pin coupling. Pay special attention to the gear ring wear condition of the gear coupling, if there is ...
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