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    • crane machine > NEWS
    09 07, 2019
    Free standing jib crane application area
    Free standing jib crane application area

    The free standing jib crane can be used for lifting, moving, loading and unloading for heavy objects, it is suitable for machinery manufacture, light duty production line, civil engineering construction and construction of bridges, power, ships, automobile manufacturing, construction, highways, bridges, metallurgy, mines, slope tunnels, infrastructure construction projects, etc.For a new free standing jib crane, should carry out the empty load test run several times. But, before the installation is completed, it is forbidden to turn on the power.Before the normal use, the free standing ji ...

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    09 05, 2019
    Gantry crane machine running-in period failure
    Gantry crane machine running-in period failure

    The new gantry crane generally has a running-in period of about 60 hours, which is stipulated according to the technical characteristics of the initial use of the crane. When the new gantry crane is not used according to the instructions during the running-in period, it will cause frequent machine failures, affecting normal use and shortening the service life of the crane. Therefore, the use and maintenance of the gantry crane's running-in period should be given full attention.1. Poor lubricationSince the matching clearance of the newly assembled components is small, it is difficult to ens ...

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    09 03, 2019
    The crane machine wire rope
    The crane machine wire rope

    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 ...

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    08 31, 2019
    Crane machine switch limiter and interlock device
    Crane machine switch limiter and interlock device

    1. The lifting limiter shall ensure that the hook is raised to the limit position (electric hoist >0.3 m, double beam crane >0.5 m), and the power can be automatically cut off. The crane machines should also have lower limit stops.2. The running mechanism should be equipped with a travel limiter and a mutual inductance limiter to ensure that the crane machines travel at a distance of 0.5 m (depending on the tonnage) from track end or other barriers, it can automatically cut off the power.3. The door lock interlocking device shall be installed on the door of the crane machines outside the ...

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    08 29, 2019
    Crane machine FAQ
    Crane machine FAQ

    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 ...

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