The gantry crane is mainly used for loading and unloading operations of outdoor freight yards, material yards and bulk cargoes, with high site utilization rate, wide operating range, wide adaptability and versatility. At the site of the gantry crane, it may be encountered that the crane braking distance exceeds the specified conditions, now we will analyze it.There are two possibilities for the brake distance of the gantry crane to exceed the standard: one is that the nut is incorrectly adjusted, and the other is that the brake ring is seriously worn and the brake pressure of the brake spring ...
The double girder bridge crane consists of three major parts: mechanical parts, electrical parts and metal structures. It is an important equipment in the manufacturing equipment industry, but the noise generated during use will bring health problems to workers. How can we reduce the noise?The noise sources of double girder bridge cranes are mainly: noise of electric drive systems, motors, mechanical devices and gears, and power supply components also emit noise; and the load-bearing steel structure and hydraulic pumps is also prone to louder sounds.In view of the above noise generation, some ...
There are five steps in the operation test before using the electric chain hoist:1. Press the down button to operate the electric chain hoist to go down until the limit spring hits the limit switch. At the time, the motor should stop automatically.2. Press the up button until the chain is completely recycled into the chain bag and the motor should stop running automatically.3. Test the emergency stop switch, press the up or down button, and press the emergency stop switch at the same time, the hook should stop running.4. Check the lubrication of the lifting chain, should maintain a small amoun ...
The difference between wire rope electric hoist and electic winch is as follows:1. The appearanceThe wire rope electric hoist is small in size and used to lift and move alone the working rail. The electric winch is larger in volume and needs to be fixed for working.2. The applicationThe wire rope electric hoist can only be used for lifting work, and the electric winch can be used not only for vertical lifting but also for horizontal traction.3. The lifting heightThe wire rope electric hoist usually has a lifting height of 6 meters to 30 meters, and it is inconvenient to install the wire ...
1. Never use the wire rope electric hoist to lift objects exceeding the rated load;2. Never use the wire rope electric hoist to carry people;3. There should be no one or equipment or equipment under the lifting object;4. Lifting objects and hooks can not lift under rocking conditions;5. Please move the hoist above the object, can not lift aslant;6. The lifting limiter is not allowed to be used repeatedly as a brake;7. Do not lift the objects buried in the ground or objects connected to other objects;8. Do not operate the wire rope electric hoist remote control button too frequently;9. Should c ...
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