ASME B30.4-2020 门座起重机和基座式起重机.pdf

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  • SECTION X:ADDITIONAL GUIDANCE

    sheaves, sprockets, or drums (d) the type of attachments (e) the number, size, and arrangement of sheaves or otherparts ) environmental conditionscausing corrosionor

    服务质量标准INTENTIONALLY LEFT BLANK

    cally controlled, manually controlled, and if free fall is available () advice that slings and lifting attachments are part of the load. If the manufacturer elects to include the lower loadblockaspartoftheload,theratingchartshall so state.

    1.3.4Backward Stability

    Each crane shall be provided with informational litera ture, including, but not limited to, the following

    Each crane shall be provided with informational liter

    members or locations it is advisable to periodically observe or testfor the purposeofdetectingtheonset of metal fatigue, the loosening of prestressed bolts, or wear affecting the ability of the crane to support rated loads.

    Hoist drums shall be in accordance with ASMEE

    Hoist drums shall be in accordance with ASME B30.30

    1GeneralRequirements

    fromtheeffectsof windperASCESEI7whenthe crane is out of service

    (a) Crane trucks shall be fitted with sweeps extending to the top of the rail and placed in front of the leading wheels in either direction. (b) Truck wheels shall be guarded. (c) Means shall be provided to limit the drop of truck frames in case of wheel or axle breakage to a distance that will not cause the crane to overturn

    (a) Crane trucks shall be fitted with sweeps extending to the top of the rail and placed in front of the leading wheels in either direction. (b) Truck wheels shall be guarded. (c) Means shall be provided to limit the drop of truck frames in case of wheel or axle breakage to a distance that will not cause the crane to overturn

    End terminations shall be in accordance with ASME B30.30

    A metal receptacle should be provided for the storage ol small hand tools and lubricating equipment. It should be secured in the cab or on the machinery platform

    Aportable fire extinguisher, with basicminimur extinguisher rating of 1o BC, shall be installed in th cab or at the machinery housing.

    control located within reach of the operator

    Lubrication points should be accessible without the ecessity of removing guards or other parts with tools inlessequippedforcentralizedlubrication

    Engine exhaust gases shall be piped and discharged wayfromtheoperator.Exhaust pipes shall be guarded or insulated to prevent contact by personnel when performing normal duties.

    景观标准规范范本18.6 Wind Velocity Devic

    Fuel tank fller pipes shall be located or protected so as not to allow spillage or overflow to run onto the engine, exhaust, or electrical equipment of the machine being fueled

    1.18.9Hydraulicand PneumaticLineProtection

    Exposed lines subject to damage shall be protected insofar as it is practical.

    轻工业标准1Preventive Maintenand

    Rope inspection, replacement, and maintenance sh he in accordance with ASME B30.30.

    ....
  • 相关专题: 起重机  

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