1. In addition to the electric hoist operated on the ground, all other types of electric crane equipment should be equipped with audio signal devices, and the passenger elevators should be equipped with audible alarm devices.2. The three-phase main line of the electric crane should be equipped with indicator lights, the color is yellow, green and red. When the rail length is >50m, the indicator light should be set at both ends of the sliding line, and the driver's room power supply indicator should be set under the main power knife switch.3. Electric crane driver cabin lighting should u ...
Crane machine rated load test requirements:The mechanism of the crane machine is normal and there is no rail gnawing. Static stiffness requirements are as follows: A1 ~ A3 level ≤ S / 700; A4 ~ A6 level ≤ S / 800; A7 level ≤ S / 1000. After the test, the crane machine should be free from cracks, loose joints, and structural damage that may affect the performance and safety of the crane machine.Rated load test methodLift the rated load and carry out the lifting and running linkage test. For static stiffness measurement, the trolley is run to the middle of the span, measure the actual arch value ...
Wire rope is an important force component of lifting crane machine equipment. When the steel wire rope is close to the scrap standard, it needs to be replaced. When the wire rope appears in one of the following situations, it must be replaced the one one:1. The diameter of the wire rope is reduced by 7% or more than the original diameter;2. The wire rope entire strand is broken;3. The elasticity is weakened, not easy to bend;4. The internal corrosion of the wire rope is serious;5. The wire rope is knotted and twisted seriously;6. The external corrosion of the wire rope is obvious and the steel ...
Q: Do you offer customized service?A: Yes. JINRUI offers customized service according to your demands of various working condition, capacity, lifting height and span as well as your special requirements for crane machines.Q: What information should I offer an inquiry?A: The more information you offer the better solutions of crane machine we can provide. Essential information should be included lifting capacity, span, lifting height, voltage, etc.Q: What control methods as optional for your crane machines?A: Our industrial crane machines including overhead crane, gantry crane, jib crane, grab c ...
The wire rope is the main force-bearing part of the crane machine. If the wire rope breaks during the operation, serious consequences may result, resulting in equipment damage and casualties. In order to ensure the safe use of the wire rope, it is necessary to regularly check and record the wire rope of the crane machine.When inspecting the crane machine wire rope, in addition to manual visual inspection, the caliper can be used for diameter measurement, or electromagnetic non-destructive testing can be used to check the internal condition of the wire rope.When inspecting, first check the diam ...
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