Crane-Man was on a bridge when a farmer tried to cross with too great a load on his cart. The wood of the bridge railing was rotten. The railing broke and Crane-Man was killed.
Usually fixed on the opposite end of the boom ( of the load line) sometimes the auxiliary hoist- also called a whip line, may be rigged with a counterweight to help counterbalance the crane- this is more common with Railroad yard Gantry Cranes- one goes up , the other down. The portative Counterweight somewhat resembles an anchor but has a flat bottom instead of flukes - some have a double hook on both sides- discouraging use as a lifting hook. The Hammerhead Crane is a splendid example of the Cantilever principle- as is also used in such famous bridge structures as the Pulaski Skyway and the Firth of Forth bridge in Scotland.
Yes, in Transformers: Revenge of the Fallen, Devastator has testicles. A wrecking ball and a a crane hook (on the end of a ball) hang very prominently between his legs.
Gardner Crane's birth name is Edward Gardner Crane.
Robert Scott Crane's birth name is Robert Scott Crane.
its a crane load chart
Point loads occur when relatively high weights are concentrated on a small bearing area. So; point load on a crane with hooks is a load that is not centered. If you try to pick something up with the end of the crane hook, the load is not centered and would be "point loaded". This type of load will stress the crane cables. When the load falls off the hook-point, the crane cables react - and can break strands of the cable. The crane cable consists of an inner cable and outer cables - so as a load is placed on the cable, it stretches. If this load suddenly shifts or falls, the cables retract quickly and can break. This is dangerous, as you may not notice the inner cable has broke (could be a small bulge in the cable). Using the crane with a broken cable can cause it to fail and drop the load. A stable load is one in which the center of gravity of the load is directly below the main hook and below the lowest point of attachment of the slings. The center of gravity of an object is that point at which the object will balance. The entire weight may be considered as concentrated at this point. A suspended object will always move so that the center of gravity is below the point of support. In order to make a level or stable lift, the crane or hook block must be directly above this point. Thus a load which is slung above and through the center of gravity will be stable and will not tend to topple or slide out of the slings.
Dead Load is the weight of the crane components not included in the live load.
crane hook is made of quenched & tempered alloy steel.
1. check the hook without load like safety latch of the hook, Sheave for free of jam, Break& distortion of the hook. 2. Check the wire rope any defects like cuts, Distortion and Lubrication condition. 3. Check the structure of the crane like any cracks. 4. Check safety interlocks & limit switches. 5. Check leakages of the reducers & its abnormal noise. 6. check all the functions of the crane with and without load.
The tipping load is the hook load at a specified radius about a line called the tipping fulcrum, which causes the crane to tip. The crane rating is based on taking a percentage of the tipping load. In the United States and Canada, the ASME crane load rating is 75 percent for crawlers and 85 percent for truck cranes of the tipping load. In other industrial countries the crane load rating is 66.67 percent and 75 percent, respectively. A crane will tip when the overturning moment (moment of the load and boom about the tipping fulcrum) becomes close to equal to the crane resisting moment (moment of the machine weight about the tipping fulcrum). A stability test is conducted for truck and hydraulic cranes when the machine is in a state of balance about its tipping fulcrum. At this condition, the entire weight of the machine and load is being supported on two outriggers
weight of load
A crane is a vehicle used to lift things usually with a hook.
casting
This doesn't seem like a smart thing to do.
The maximum load that the crane can lift is 18 metric tons (39,690 pounds), but the crane cannot lift that much weight if the load is positioned at the end of the jib. The closer the load is positioned to the mast (center of rotation), the more weight the crane can lift safely.
Shank Hook Eye Hook