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