ASME B30.5:2018 pdf free download – Mobile and Locomotive Cranes
Within the general scope defined in Section I ofthe B30 StandardIntroduction,AmericanNationalStandardB30.5 applies to crawler cranes, locomotive cranes, wheel- mounted cranes, and any variations thereof that retain the same fundamental characteristics. The scope includes only cranes ofthe above types that are basically powered by internal combustion engines or electric motors. Side boom tractors and cranes designed for railway and auto- mobile wreckclearance, digger derricks, cranes manufac- tured specifically for, or when used for, energized electrical line service, knuckle boom, trolley boom cranes, and cranes having a maximum rated capacity of 1 ton or less are excluded. Special adaptions to the general types of machines covered by this Volume, where applicable, fall under this scope. Some basic machine types within this scope are used alternatively for lifting service and for applications not considered to be lifting service. All of the requirements of this Volume are applicable to such machines when used for lifting service. However, at a minimum, Section 5-1.11, Chapter 5-2, and Section 5-3.1 of this Volume apply to machines when used in other than lifting service.
commercial truck-mounted crane: a crane consisting of a rotating superstructure (center post or turntable), boom, operatingmachinery, and one ormore operator’s stations mounted on a frame attached to a commercial truck chassis, usually retaining a payload hauling capability whosepowersourceusuallypowersthecrane.Itsfunction is to lift, lower, and swing loads at various radii (see Figures 5-0.2.1-1 and 5-0.2.1-2). crawlercrane: a crane consisting ofa rotating superstruc- ture with a power plant, operating machinery, and boom, mounted on a base and equipped with crawler treads for travel. Its function is to lift, lower, and swing loads at various radii (see Figures 5-0.2.1-3 and 5-0.2.1-4). locomotive crane: a crane consisting of a rotating super- structure with a power plant, operating machinery, and boom, mounted on a base or car equipped for travel on a railroad track. It may be self-propelled or propelled by an outsidesource.Itsfunctionistolift,lower,andswingloads at various radii (see Figure 5-0.2.1-5). wheel-mounted crane (multiple control stations): a crane consisting of a rotating superstructure, operating machinery, and operator’s station and boom, mounted on a crane carrier equipped with axles and rubber- tired wheels for travel, a power source(s), and having separate stations for driving and operating. Its function is to lift, lower, and swing loads at various radii (see Figures 5-0.2.1-6 and 5-0.2.1-7).
wheel-mounted crane (single control station): a crane consisting of a rotating superstructure, operating machinery, and boom, mounted on a crane carrier equipped with axles and rubber-tired wheels for travel, a power source, and having a single control station for driving and operating. Its function is to lift, lower, and swing loads at various radii (see Figures 5- 0.2.1-8 through 5-0.2.1-10).
accessory: a secondary part or assembly of parts that contributes to the overall function and usefulness of the equipment. anti–two-block device: a device that, when activated, disengages all equipment functions whose movement can cause two-blocking. auxiliary hoist: a secondary mechanism used either in conjunction with, or independently of, the main hoist. axis ofrotation: the vertical axis around which the crane superstructure rotates. axle: the shaft or spindle with which or about which a wheel rotates. Itrefers to atypeofaxle assemblyincluding housings, gearing, differential, bearings, and mounting appurtenances. backward stability: the ability of a crane to resist over- turning in the direction opposite the boom while in a loaded or unloaded condition. ballast: weight used to supplement the weight of the machine in providing stability for lifting loads (the term ballast is normally associated with locomotive cranes).